WO1997004967A1 - Original pour realisation de cliches et appareil a realiser les cliches - Google Patents
Original pour realisation de cliches et appareil a realiser les cliches Download PDFInfo
- Publication number
- WO1997004967A1 WO1997004967A1 PCT/JP1996/001713 JP9601713W WO9704967A1 WO 1997004967 A1 WO1997004967 A1 WO 1997004967A1 JP 9601713 W JP9601713 W JP 9601713W WO 9704967 A1 WO9704967 A1 WO 9704967A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- master
- roll
- plate
- master roll
- making
- Prior art date
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/182—Identification means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L13/00—Stencilling apparatus for office or other commercial use
- B41L13/04—Stencilling apparatus for office or other commercial use with curved or rotary stencil carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/144—Forme preparation for stencil-printing or silk-screen printing by perforation using a thermal head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
- B41L13/00—Stencilling apparatus for office or other commercial use
- B41L13/04—Stencilling apparatus for office or other commercial use with curved or rotary stencil carriers
- B41L13/06—Stencilling apparatus for office or other commercial use with curved or rotary stencil carriers with a single cylinder carrying the stencil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/24—Stencils; Stencil materials; Carriers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/28—Wound package of webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/105—Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/30—Orientation, displacement, position of the handled material
- B65H2301/36—Positioning; Changing position
- B65H2301/364—Positioning; Changing position of material in roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/12—Surface aspects
- B65H2701/124—Patterns, marks, printed information
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/12—Surface aspects
- B65H2701/124—Patterns, marks, printed information
- B65H2701/1242—Patterns, marks, printed information printed information
- B65H2701/12422—Patterns, marks, printed information printed information codes or the like which can be used for further processing, e.g. relative to consumed or still available material
Definitions
- the present invention relates to the prevention of unwinding of a stencil master as a supply.
- a stencil master and a stencil printing machine equipped with a stencil machine are provided with a master roll used in a stencil machine so as not to loosen. It is possible to determine the direction of the master roll when loading the master roll for master making and the master making machine, and to automatically or semi-automatically extend the leading edge of the master roll from the master roll.
- a plate making apparatus capable of performing Background technique W
- thermosensitive digital stencil type stencil printing apparatus has been well known as a simple printing apparatus.
- This stencil printing machine heats and perforates a thermomechanical master having a thermoplastic resin film as a thermosensitive material according to image information by using a thermal head, and the perforated stencil is used.
- the master is wound around the plate cylinder, ink is supplied from inside the plate cylinder. Then, ink is oozed from the inside of the plate cylinder to the plate-making master wound on the plate cylinder, and the reprinted paper is pressed by a pressing means such as a press roller through the plate-making master.
- the thermal head used for the punching process of the c- master which prints an image by transferring the ink that oozes from the perforated portion of the pre-made master to the printing paper by pressing It has a plurality of heating elements arranged along the main scanning direction corresponding to the axial direction of the plate cylinder. The corresponding master is heated and melted and drilled.
- the stencil printing machine described above uses image information necessary for plate-making as an original.
- a document reading unit for reading from a manuscript is arranged above a plate making unit in a printing apparatus, and reading of the document and plate making are performed consistently in the printing apparatus.
- the original reading section disposed at the top of the printing apparatus is shifted from its normal position, so that the entire area of the plate making section can be viewed from above the apparatus.
- the master is usually supplied by a master roll formed into a roll by being wound around the core material with the intention of reducing the occupied area, and the master roll is made from above the printing apparatus. Attach to the roll support section in the section.
- the above-mentioned procedures are complicated and cumbersome and require a great deal of skill, so not everyone can do it, and a dedicated operator is required.
- the document reading section must be provided so as to be displaceable between the normal position and a position deviating from that position.
- the weight, weight, and the number of parts tend to increase, which increases the processing cost of the device divided by the assembly cost.
- the plate-making master used in the above-described printing apparatus is supplied as a master roll in which a film-sheet-shaped master is wound and laminated.
- the master roll can be rotated in the rewinding direction by rotating the roll portion.
- the roll is in a rotatable state. Therefore, when the roll starts to rotate or stops rotating. When stopped, an inertial force is generated based on the weight of the master roll. In this way, when the master roll starts to operate differently, the behavior of the roll may not be stable due to the action of the inertial force. In this case, the master is likely to loosen.
- the master of the roll portion may be loosely wound, and the master to be fed out may be loosened.
- the master for master making described above should not be mistaken when loading the roll supporting portion even if the leading-out direction of the leading end is limited. is necessary. Therefore, the operator must be careful not to mistake the loading operation of the master, and the loading operation is troublesome.
- a first object of the present invention is to remove the master from the roll portion of the master roll when transporting and removing the master roll, and to reduce the master of the roll portion wound around the master roll.
- second object of the present invention is to provide a plate-making masters can be prevented slack master issued chestnut from the roll It is in.
- a third object of the present invention is to provide a plate making apparatus having a configuration that can easily determine the direction of the leading end of a master to be fed out when a master roll is loaded at the time of exchanging a master roll or the like. is there.
- a fourth object of the present invention is to provide a plate making apparatus capable of automatically or semi-automatically peeling off the leading end of a master from a roll portion of a master roll and transporting the master. Disclosure of the invention The plate making master according to the first invention is characterized in that at least one of the end faces of the master roll formed by winding the master into a roll is coated with glue.
- the adhesive is applied to at least one of the end faces of the master roll, so that the side end faces of the master wound as the master roll are adhered to each other.
- I c thus the side edges to each other in the master also becomes to be bonded in the end face of the remaster roll, to come to transport and Tori ⁇ Iwo the roll as the supply, re the master has undone from the roll, the roll It can prevent the master of the roll part wound around the reel from unwinding or loosening.
- the printing is performed by transferring an image onto a printing paper which is wound around a plate cylinder, supplied with ink and brought into close contact with the plate.
- the master has a heat-sensitive material, and the tip of the master can be extended from the master roll.
- the roll is used for printing, and c behavior of the roll portion by inertial force re generated by the rotation of the roll can be prevented the occurrence of looseness produced when unstable Also, when the master roll is set on the printing apparatus, it is possible to prevent the master roll from being unwound. Thus, when used in an apparatus that automatically or semi-automatically peels off the tip of the master from the master port, the tip of the master can be reliably peeled off.
- the adhesive force of the paste applied to the end face of the master roll is determined by a feeding force of the master from the master roll. It is characterized in that the strength is such that the master is peeled off from the master roll.
- the side end surfaces of the masters are adhered to each other while the resistance at the time of feeding out the master from the master roll is small, and the side edges of the masters at the end surfaces of the remaster rolls are also adhered to each other. Ruko Therefore, it is possible to reduce the output of the rotation drive member necessary for rotating the master roll.
- the paste is applied to an end face of the master roll excluding a tip end of the master.
- the side edges of the master are adhered to each other in a state in which the feeding of the leading end of the master from the master roll is not hindered, and the side edges of the master on the end surfaces of the remaster roll are also adhered to each other.
- the tip of the master can be smoothly opposed to the master separating means, so that the tip of the master can be led out smoothly even in a state where the loosening of the master is prevented. possible becomes c
- the scope first according to the first invention, 2, in 3 or 4 Kouki mounting platemaking master, the entire area of the end face of the roll! It is characterized in that the paste is applied.
- the present invention it is possible to more reliably prevent the master roll from being unwound, the master roll from being unwound or loosened from the master roll.
- the master roll as the master for master making is used for printing, a certain effect can be obtained.
- the paste is applied to one end face of the master roll in a radial direction thereof. It is characterized by
- the paste is applied in a radial direction at a plurality of positions on an end face of the master roll. It is characterized by having.
- the resistance for peeling off the bonded part between the side end faces of the master or the bonded part between the side ends of the master on the end face of the master roll is small. Therefore, the rotational driving force required for rotating the master roll can be reduced, and the driving device can be downsized.
- the paste-applied surface of the end face of the master roll is a plurality of concentric annular bands that are color-coded.
- the use of the master makes it possible to determine that the color of the adhesive applied surface on the end face of the master roll differs as the outer diameter of the master roll becomes smaller, so that the remaining amount due to the use of the master is special.
- the determination can be made without the need for a detection mechanism.
- glue is applied to both end faces of the master roll, and both sides of the master roll are coated with the glue. It is characterized by different identifications from each other.
- the identification display is a color.
- the identification display is a character.
- the plate-making master according to any one of claims 1 to 11 of the first invention, wherein the master roll holding portion rotatably supporting the master roll; and After being set in the master roll holding section, the master roll is used in a plate making apparatus having a rotation driving means for rotating the master roll so as to extend the leading end of the master.
- the plate-making master according to any one of claims 1 to 11 of the first invention, wherein the master roll holding section rotatably supporting the master roll; and After being set in the master roll holding section, a rotation driving means for rotating the master roll, and the master port corresponding to a change in the diameter of the master roll.
- the present invention is characterized in that it is used in a plate making apparatus having a peeling means which comes into contact with or close to the outer peripheral surface of the master and peels off the tip of the master.
- a plate making apparatus according to the second invention, wherein the plate making apparatus according to claim 15 is:
- a plate making device for feeding a leading end of the master from the master roll of the plate making master according to any one of claims 1 to 11, wherein the master roll holding the master roll rotatably. And a rotation driving means for rotating the master roll so as to extend the end of the master after setting the master roll in the master roll holding unit.
- the leading end of the master can be semi-automatically extended from the master roll.
- the plate making apparatus automatically peels the leading end of the master from the master roll of the plate making master according to any one of claims 1 to 11
- a master roll holding section for rotatably supporting the master roll, and a rotary drive for rotating the master roll after setting the master roll in the master roll holding section.
- a peeling means for abutting or approaching the outer peripheral surface of the master roll in response to a change in the diameter of the master port and peeling off the tip of the master.
- the leading end of the master can be automatically peeled off from the master roll and fed out.
- the plate making device described in claim 17 of the second invention is characterized in that: A plate making apparatus using the plate making master according to claim 9, further comprising a master roll holding portion rotatably supporting said master roll, and both ends of said master roll supported by said master roll holding portion. An identification display corresponding to the identification display provided on both end surfaces of the master roll is provided at each position of the master roll holding unit corresponding to the surface.
- FIG. 1 is a schematic overall configuration diagram of a stencil printing apparatus using a stencil master according to the present invention and a stencil printing apparatus equipped with a stencil printing apparatus as one embodiment of the present invention.
- FIG. 2 is an enlarged front view of the plate making apparatus shown in FIG.
- FIG. 3 is a plan view of a master roll holding unit in the plate making apparatus shown in FIG.
- FIG. 4 is a perspective view of a main part of the master socket holding section shown in FIG.
- FIG. 5 is a perspective view of an example of a master separating means used in the plate making apparatus shown in FIG.
- FIG. 6 is a schematic diagram for explaining a main part configuration and operation of the master separating means shown in FIG.
- FIG. 7 is a schematic exploded view for explaining the details of the main configuration of the master separating means shown in FIG.
- FIG. 8 is a schematic diagram for explaining one of the operations of the main configuration of the master separating means shown in FIG.
- FIG. 9 is a block diagram of a control unit used in the plate making apparatus shown in FIG.
- FIG. 10 is an external perspective view of a master roll used in the first embodiment.
- FIG. 10 is an external perspective view of a master roll used in the first embodiment.
- FIG. 11 is a schematic diagram showing an initial operation state of the plate making apparatus shown in FIG.
- FIG. 12 is a schematic diagram showing an operation state when the master roll holding unit is loaded in the plate making apparatus shown in FIG.
- FIG. 13 is a schematic view showing the operation of the plate making apparatus shown in FIG. 2 immediately after the leading end of the master has been extended from the master roll.
- FIG. 14 is a schematic view showing an operation state in which the leading end of the master has moved to a position facing the thermal head and the platen roller in the plate making apparatus shown in FIG.
- FIG. 15 is a schematic view showing an operation state in which the leading end of the master is held between the thermal head and the platen roller in the plate making apparatus shown in FIG.
- FIG. 16 is a schematic diagram showing a plate making standby state in the plate making apparatus shown in FIG.
- FIG. 17 is a flowchart for explaining the operation of the control unit shown in FIG.
- FIG. 18 is a flowchart for explaining another operation of the control unit shown in FIG.
- FIG. 19 is a schematic diagram showing Modification Example 1 of the plate making apparatus shown in FIG.
- FIG. 20 is a schematic diagram showing a modification 2 of the plate making apparatus shown in FIG.
- FIG. 21 is an external perspective view of a main part of a master roll showing a second embodiment according to the first invention.
- FIG. 22 is an external perspective view of a master roll showing Modification Example 1 of the second embodiment.
- FIG. 23 is an external perspective view of a main part of a master roll showing Modification 2 of the second embodiment.
- FIG. 24 is an external perspective view of a main part of a master roll showing Modification 3 of the second embodiment.
- FIG. 25 is an external perspective view of a main part of a master roll showing another example of Modification 3 of the second embodiment.
- FIG. 26 is an external perspective view of a main part of a master roll showing Modification 4 of the second embodiment.
- FIG. 27 is an external perspective view of a main part of another example of the master roll showing Modification 4 of the second embodiment.
- FIG. 28 is an external perspective view of a main part of a master roll showing Modification Example 5 of the second embodiment.
- FIG. 29 is a plan view of a master roll holding unit showing a third modification of the first embodiment.
- FIG. 30 is an external perspective view of a main part of a master roll showing Modification 6 of the second embodiment.
- FIG. 31 is an external perspective view of a main part of a master roll showing Modification 7 of the second embodiment.
- FIG. 1 schematically shows the overall configuration of a printing apparatus using a master for master making according to the present invention.
- This printing device is a stencil printing device that performs printing using a master that has been perforated and made.
- the configuration of the stencil printing apparatus will be described.
- reference numeral 1 denotes a stencil printing apparatus.
- the stencil printing apparatus 1 includes a stencil printing process section in which a plate cylinder 2 is arranged, and is mainly composed of a paper feeding apparatus 5, a stencil making apparatus 10, a stencil discharging section 20, and a paper discharging section. .
- the stencil making machine 10 has a novel configuration according to the present invention, and the other paper feeding devices 5, the stencil discharging unit 20 and the paper discharging unit have a well-known configuration.
- the stencil printing machine 1 includes a plate cylinder 2 that can rotate forward and backward around a rotation axis 2A.
- the rotation direction of the plate cylinder 2 is set so as to rotate clockwise when the printing process is performed, and to rotate counterclockwise when discharging the master.
- the plate cylinder 2 has a well-known structure and a function of winding a perforated master made by perforation on the outer peripheral surface thereof.
- the plate cylinder 2 has a large number of perforations formed on its peripheral surface except for a part, and a thin mesh screen (not shown) made of, for example, synthetic fiber is attached to the surface. I have. Metal can be used as a material for the mesh screen.
- a clamper 2D for holding the leading end of the master is provided in a portion of the peripheral surface of the plate cylinder 2 where no perforation is formed.
- the clamper 2D is a stage 2 having an installation surface arranged along one generatrix of the plate cylinder 2.
- Stage 2E is made of a magnetic material
- gripping member 2F is made of a rubber magnet.
- Stage 2E can place the tip of the master, and the master with the tip placed on stage 2E
- an ink supply mechanism 3 is provided inside the plate cylinder 2.
- the supply mechanism 3 is disposed substantially below the rotary shaft 2A, and includes an ink port 3A and a doctor roller 3B as main parts.
- the ink roller 3A is a metal roller, and is disposed between the plate cylinder 2 and the press roller 4 to be described later in the plate 2 below the rotary shaft 2A.
- the ink roller 3 A contacts the inner peripheral surface of the plate cylinder 2.
- -It can be supplied into the opening of the screen.
- the ink carrying amount regulated by the doctor roller 3B is
- the ink is deposited in the ink reservoir 3 C in the formed wedge-shaped space.
- the ink roller 3A is arranged at a position facing the press roller 4 described later, thereby preventing the plate cylinder 2 from being deformed by the pressure when the press roller 4 presses the plate cylinder 2. It also has a function as a backup roller.
- the press roller 4 facing the ink roller 3A across the plate cylinder 2 is arranged below the ink roller 3A.
- the press roller 4 is composed of a rotating member, and is provided so as to be able to approach and separate from the plate cylinder 2.
- the press roller 4 is rotatably supported at one free end of the movable arm 4A.
- the other swinging end of the swing arm 4A is in pressure contact with the contour peripheral surface of the fan cam 4B.
- the fan-shaped cam 4B is rotated by a driving unit (not shown) in accordance with the timing of feeding the printing paper S from the paper feeding device 5 described later. When the paper is not fed, the large diameter portion is opposed to the other swing end of the movable arm 4A.
- the fan-shaped cam 4B rotates when the printing paper S is fed from the paper feeding device 5 so that its small-diameter portion faces the other swing end of the movable arm 4A, and the movable arm 4A Rotate clockwise in Fig. 1.
- the press roller 4 is displaced upward to be displaced. Is pressed against the surface of the When the printing paper S is pressed against the surface of the plate cylinder 2 via the plate-making master, the printing paper S is printed with ink transferred from the perforated portion of the master wound on the plate cylinder 2. Therefore, the position where the breath roller 4 presses against the plate cylinder 2 is a portion forming an image transfer portion.
- the paper feeding device 5 is arranged near the right side of the press roller 4 in the drawing.
- the paper feeding device 5 includes a feeding roller 6, a separation roller 7, and a registration roller 9 along the paper feeding direction.
- the feeding roller 6 is provided so as to be relatively close to and separated from the uppermost one of the printing paper S stored in the paper feed tray 5A, and feeds the printing paper S in a feeding direction corresponding to the arrow direction in the figure. It is intended to steer toward.
- the above-mentioned paper feed tray 5A is provided to be able to move up and down freely. At this time, the printing paper s positioned at the uppermost position is given an urging force so as to contact the feeding roller 6.
- the paper feeding tray 5A is lowered, and the printing paper S can be inserted into the space formed between the paper tray 5A and the highest position.
- the separation roller 7 is rotatable in contact with the uppermost one of the printing papers S similarly to the feeding roller 6, so that only the printing paper S at the highest order can be fed out.
- the friction coefficient between the printing paper S and the uppermost one of the printing papers S is set larger than the friction coefficient between the printing papers S.
- the registration roller 9 is composed of a pair of rollers that are in contact with each other across the feeding path of the printing paper S, and feed the printing paper S toward a position where the plate cylinder 2 and the press roller 4 are in contact with each other. Feed out printing paper S in a timely manner.
- the paper feeder 5 In the paper feeder 5, when the paper feed tray 5A rises and the uppermost sheet of the printing paper S on the paper feed tray 5A comes into contact with the feed roller 6 and occupies the paper feed position, a sensor (not shown) The feed port roller 6 is rotated based on the signal from. As a result, the printing paper S is fed out in the paper feeding direction, and only the topmost printing paper S is separated by the separation roller 7 and fed to the registration roller 9. The leading end of the printing paper S is abutted by the resist roller 9 and a predetermined timing is taken.
- the printing paper S is moved between the plate cylinder 2 and the press roller 4 at the timing when the image position of the master and the printing start position on the printing paper S are matched with the timing when the press roller 4 presses the plate cylinder 2. It is fed in between. Then, a print image is obtained by the above-described well-known printing operation.
- a plate making apparatus 10 as a first embodiment according to the second invention of the present invention is disposed above the right side of the plate cylinder 2.
- the master transport direction is from right to left of the plate making apparatus 10 shown in FIGS. 1 and 2, and along the master transport direction. Master transport path is formed. The left and right sides of this master transport direction are simply called “left” and “right”. In some cases, the upstream side in the master transport direction is referred to as “back”, and the downstream side is referred to as “front”.
- the plate making apparatus 10 mainly includes a master roll holding unit 11, a master separating unit 12, a master rotation drive unit 13, and a platen pressure control unit 14. Is configured.
- the plate making apparatus 10 in the first embodiment automatically peels off the leading end of the master 16a from the master roll 16 formed by winding the master 16a into a roll, and feeds the master 16a. It has a configuration. That is, the plate making device 10 has a master roll holding portion 11 that rotatably supports the master roll 16. After the master roll 16 is set in the master roll holding portion 11, the master roll 16 is A rotation driving means (described later) for rotating the recording medium; and a peeling means (described later) for abutting or approaching the outer peripheral surface of the master roll 16 corresponding to a change in the diameter of the master roll 16 and peeling off the tip of the master 16a. ).
- the master 16 a wound on the master roll 16 is a thin thermoplastic resin film of about 1 to 2 ⁇ m having a light transmitting property, which is obtained by mixing Japanese paper fiber, synthetic fiber, or both materials.
- a laminated structure in which a porous support made of is bonded is used, and is perforated by heating with a heating element such as a thermal head.
- a master 16a having a thickness of 3 to 60 / m can be preferably used.
- the master roll 16 is wound around a pipe-shaped core 16B formed to have the same width as the master 16a force master 16a. It is formed.
- the master roll 16 is not a conventional configuration in which the master 16a is wound around a core material protruding from both ends in the axial direction, and the master 16a is the master roll 16a. It has a characteristic configuration formed by being wound around a core 16B having each shaft end at the same position as both end faces.
- each master role shown in a second embodiment and modified examples described later is used.
- the master roll 16 is wound into a roll as shown in FIG. Among the roll portions, a low-reflectance portion 16A is provided in a range along the winding direction from the position at which the service limit is reached to the final end.
- the low-reflectance portion 16A is, for example, painted black.
- each guide member 15 has a channel shape in cross section, has a predetermined length on both left and right sides along the master transport path, and has an opening side in the channel shape. Are arranged facing each other.
- Each guide member 15 is fixedly mounted on a pair of left and right plates (both not shown) disposed on the left and right sides of the plate making device 10.
- the lower part of the guide member 15 arranged on the right side (which is also the back side of the paper) is provided for guiding each axis of the master drive rollers 11 D and 11 E to be described later to the right outside of the guide member 15.
- a long groove 15a is formed. This long groove 15a is in the moving range of the master roll holding section 11 along the longitudinal direction of the guide member 15! : Reformed.
- the master roll holding section 11 includes a master roll holding member 11A, a friction holding member 11A1, a lid 11B, a handle 11C, a pair of master drive rollers 11D, 11E, It mainly consists of a pressing portion 11G and a ridge 11A5.
- the master roll holding member 11A, the lid 11B, the handle 11C, the pressing portion 11G, and the ridge 11A5 of the master roll holding portion 11 are made of, for example, sheet metal or the like. Insert reinforced and integrally molded with synthetic resin.
- the master roll holding member 11A has a substantially housing shape having an opening in the vertical direction, and has a structure and a function of rotatably supporting the master roll 16.
- the master roll holding member 11A is formed with four storage portions 11A4 that can be partially removed from the lower half circumference of the master roll 16.
- the channel-shaped pair of guide members 15 is provided on the outer left and right outer walls of the master roll holding member 11A.
- a rectangular parallelepiped protruding ridge 11 A5 that fits into the opening is formed in a body shape.
- the ridges 11A5 are provided at four locations on the left and right outer walls of the master roll holding member 11A.
- the master roll holding member 11A of the master roll holding portion 11 has two projecting ridges 11A5 each fitted into each of the channel-shaped openings of the pair of guide members 15 so as to slide smoothly. By being movable, it is movable within a predetermined range on the upstream side and the downstream side of the master transport path.
- Friction holding member 1 On both sides of the master roll holding member 11A corresponding to the left and right sides in the master transport direction, friction holding members 11A1 which are in contact with both end faces of the master roll 16 are provided. . Friction holding member 1
- a 1 is made of, for example, rubber or sponge rubber.
- the friction holding member 11A1 contacts both end faces of the master roll 16 to position the loading position of the master roll 16, and when the master roll 16 rotates in the feeding direction, The friction is caused to generate a force that resists the rewinding of the master roll 16.
- the above-mentioned resistance force acts as a force against the rotating direction, and the tension (back tension) is applied to the master 16a fed from the master roll 16. ), So that the slack that is likely to occur when the master 16a is extended can be eliminated.
- the master roll 16 loaded in the storage recess 11A of 1A is positioned in the master width direction by contacting both end surfaces of the master roll 16 with the friction holding member 11A1. Therefore, it is only necessary to drop into the storage recesses 11A4, and there is no need to perform positioning with the core material protruding from both ends in the axial direction, and thus the material required for forming the core material The material cost of the master socket 16 can be reduced by reducing the amount of used.
- a lid 11B that forms a part of the side wall of the plate making device 10 is provided on the rear side of the master roll holding member 11A.
- a handle 11C is attached to a rear outer surface of the lid 11B.
- the master roll holding unit 11 is configured to It can be moved in both directions indicated by arrow D via the guide member 15. That is, by holding the handle 11 C and moving the master roll holding unit 11 to the right in FIG. 2, the master roll holding unit 11 is pulled out of the plate making apparatus 10 and occupies a position where the master roll 16 can be loaded. It can occupy the insertion position described later by being moved in the opposite direction.
- pressing portions 11G that selectively engage with a peeling claw support member 12C described later are provided. It is formed integrally.
- the bottom wall of the master roll holding member 11A corresponding to the vicinity of the right guide member 15 is provided when the master roll holding member 11A occupies the insertion position.
- An opening 11A3 for opening a master detecting means 60 to be described later is opened.
- Roll escape recesses 11A2 are formed in the opening 11A three turns and the inner bottom wall of the master roll holding member 11A on the opposite side.
- the outer diameter of each roll escape recess 11 A 2 gradually decreases due to the use of the master 16 a of the master roll 16.
- the master roll 16 of the service limit becomes approximately equal to the outer diameter of the core material 16 B, which is the service limit, interference with the master roll 16 ′ of the service limit occurs. Provided to avoid.
- the master roll 16 is formed into the recessed portion 1 of the master roll holding portion 11. 1
- each part of the above members that may come into contact with the master 16a on the outer surface of the master roll 16 has an appropriate surface so as not to damage the master 16a. It goes without saying that tapers for taking out and guiding are provided.
- Master roll holding member 1 1A A storage recess 1 1 A4 has a master drive roller 1 that contacts the outer peripheral surface of master roll 16 when master port 16 is inserted into storage recess 11 A4.
- 1D, 1 1E are arranged I have.
- the master drive rollers 11 D and 11 E have a function as a rotation drive means for rotating the master roll 16.
- the master drive rollers 11D and 11E are rotatable because both ends of these shafts are rotatably supported by the bottom wall of the master roll holding member 11A, respectively. . As described later, the master drive roller 1 1D, 1 1
- the master drive rollers 11 D and 11 E come into contact with the outer circumferential surface of the master roll 16 and tighten the master 16 a in the master roll 16 (or the winding direction of the master 16 a). It is made of a material having a coefficient of friction within a predetermined range in which the master roll 16 can rotate, such as rubber sponge rubber.
- the master drive rollers 11 D and 11 E are arranged at a predetermined center angle about the rotation center axis of the master roll 16. That is, when the master 16a of the unused new master roll 16 is used and the lower part of the core 16B reaches the position near the roll escape recess 11A2, the master drive rollers 1D, 1D With respect to 1E, it is positioned so that the positional relationship can be set such that the outer peripheral surface of the master roll 16 abuts at an even position based on the rotation center axis of the master roll 16. In addition, when the master roll 16a of the master roll 16 is completely consumed and the master roll 16 reaches the use limit, which is substantially the core material 16B only, the master drive arranged in the above-mentioned position state is activated. The outer peripheral surface of the core 16B is rotatably supported by the rollers 11D and 11E.
- the master rotation drive unit 13 has a configuration and a function of rotating the master roll 16. As shown in FIG. 3 in detail, the master rotation drive unit 13 includes the master drive rollers 11 D and 11 E, the drive motor 13 A, the drive gear 13 B, and the driven gear 1 It mainly consists of 1D1, pulleys 13C and 13D, and belts 13E.
- the master rotation drive unit 13 includes a drive motor 13 A fixed to the right side plate near the insertion position of the plate making device 10, and the drive motor 13 A A drive gear 13B is attached to the end of the output shaft.
- the drive motor 13A which will be described in detail later, is mounted on the master roll holding member 11A, and is set when the master roll 16A is fed out.
- the rotation direction and the rotation order are set so as to rotate in the direction opposite to the feeding direction, and then rotate in the feeding direction.
- Pulleys 13C and 13D are fixed to each axis of the master drive roller 11D and master drive roller 11E, respectively, and a belt 13E is provided between the pulleys 13C and 13D. Has been passed over.
- the drive gear 11D which is located opposite to the drive gear 13B, is provided with a drive gear.
- a driven gear 11D1 that fits 13B is attached. The rotational force from the drive motor 13A is transmitted to the pulley 13D via the drive gear 13B, the driven gear 11D1, the pulley 13C and the belt 13E, and the master drive roller 1 1D and the master drive roller 11E can be rotated in the same direction.
- a master separating means 12 is provided at a position corresponding to the insertion position where the master roll holding member 11A is inserted into the plate making apparatus 10.
- the master separating means 12 comes in close contact with or in contact with the outer peripheral surface of the master roll 16 in response to a change in the diameter of the master roll 16, and is provided with a separating claw 12 A as a peeling means for peeling off the tip of the master 16 a. It mainly consists of a peeling claw support member 12C.
- the peeling claw 12A has a contact position (indicated by a solid line and an imaginary line) where its moving end contacts the outer peripheral surface of the master roll, and a non-contact position separated from this contact position. It is automatically located between the position (indicated by the dashed line).
- the peeling claw 12A is rotated by the peeling claw support member 12C, the compression panel 12D and the pressing portion 11G described later via the rotating shaft 12B. It is movably supported between and.
- the rotating shaft 12B is inserted through the left and right base ends of the peeling claw 12A so that the peeling claw 12A can be movably supported.
- bearing unit 1 2 a 4 having a hole 1 2 a 3 is the c peeling claw 1 2 a and the peeling claw support member 1 2 C which are integrally formed, each of the rotary shaft 1 2 B common to each other in The proximal end is supported.
- the rotating shaft 12 B is supported by the left and right plates arranged in the plate making device 10 so as to keep its position in the plate making device 10 unchanged.
- the peeling claw 12A is made of an elastic body made of a thin piece using metal or resin. As a result, when the tip of the peeling claw 12 A comes into contact with the outer peripheral surface of the master roll 16, it is elastically deformed so as not to apply an abnormal load to the surface of the master 16 a. The surface of a is not damaged.
- the peeling claw 12A has a central part opposite to the central part in the width direction of the master roll 16 in a plan view, and a re-master feeding direction from both ends of the master roll 16 in the width direction.
- a protruding portion 12 A 1 protruding upstream of T is formed.
- the protruding portion 12A1 is an inclined portion 12A2 formed to be inclined toward the outer peripheral surface of the master roll 16.
- Such separation claw 1 2 A, the protruding portion 1 2 A 1 a roll 1 6 c protrusion 1 2 A which is to be able to close or abut the outer peripheral surface of the oscillating end by its own weight
- the thickness of 1 is as thin as possible with respect to the thickness of the master 16a described above, and is preferably set to 3 to 50 ⁇ .
- the tip of the master 16 a fed out from the master roll 16 is sequentially peeled from the center in the width direction. Separation and separation are assured by reducing the resistance at the time of separation.
- the tip of the moving end of the peeling claw 12 A is inclined toward the outer peripheral surface of the master roll 16, Only the inclined portion 12 A 2 faces the outer peripheral surface of the master roll 16, and is located on the inner surface of the tip of the master 16 a separated from the roll portion of the master roll 16.
- the contact area of the peeling claw 12 A with the master roll 16 is reduced, the resistance generated when the master 16 a is fed out is reduced, and the master roll 16 is moved from the master 16 a to the master 16 a. Is easily turned over.
- the peeling-claw support member 12C is normally moved in a direction in which the peeling-claw 12A is separated from the outer peripheral surface of the master roll 16 by a compression panel 12D, one end of which is arranged on the driving end side. Has been given habit.
- the movable end of the peeling-claw supporting member 12 C swings due to a given habit, the movable end of the peeling-claw supporting member 12 C is fixed to the right side plate above the guide member 15, as shown in FIG.
- the master roll holding member 11A set at the insertion position in the plate making device 10 is positioned at a position where it can be pushed and moved by the pressing portion 11G of the master roll holding member 11A.
- the pressing portion 11 G causes the separation claw supporting member 12 C to be closed.
- the moving end is pushed.
- the peeling claw support member 12C is moved in a direction in which the peeling claw 12A approaches the outer peripheral surface of the master roll 16 against the above-described behavior.
- the moving end of the peeling claw 1 2 A in this case is the master roll
- the surface of the master 16a may be damaged. In such a case, it is sufficient to provide a gap that allows the tip to be turned, that is, to approach or face the outer peripheral surface of the master roll 16.
- the swinging end of the peeling claw 12 A When the swinging end of the peeling claw 12 A is close to the outer peripheral surface of the master roll 16 with a certain gap, for example, a change in the outer diameter of the master roll 16 is detected. It is also possible to detect the position by means (not shown) and change the position of the swing end by a drive mechanism (not shown) in accordance with the change, so that the gap is always kept constant.
- the bending rigidity of the master 16a is relatively weak.
- the swinging end of the peeling claw 12A When applying to the master 16a of the master roll 16a, whose waist strength is low and the tip cannot be raised by itself, the swinging end of the peeling claw 12A is applied to the master 16a by weak pressure. It is desirable to make contact with the surface. For this reason, in the first embodiment, the swinging end of the peeling claw 12A is able to abut on the outer peripheral surface of the master roll 16 by being swung by its own weight.
- the peeling claw 12A slides on the upper surface of the peeling claw 12A by acting as the master 16a when the tip of the master 16a is extended from the master roll 16.
- it also has a function of a guiding means for guiding from the master roll 16 to a position where the thermal head 14A of the platen pressure control unit 14 described later and the platen opening 14B face each other.
- the minimum diameter of the master roll 16 is a diameter when the limit amount that can be used as the master 16a is reached.
- the shape of the support surface of the peeling claw 12A in the peeling claw support member 12C is as shown in FIG. 7 and 8 show that the master roll holding member 11A of the master roll holding section 11 is a plate making device.
- the peeling claw support member 1 2 When set at the insertion position within 10, the peeling claw support member 1 2 This shows a state where the moving end of C is pushed and moved by the pressing portion 11G of the master roll holding member 11A against the urging force of the compression panel 12D.
- the upper surface of the peeling claw support member 12 C has an inclined surface 12 C as a support surface for supporting the receiving surface 12 A 5 of the peeling claw 12 A.
- the horizontal plane 12 C2 is the outer circumference of the minimum diameter master roll 16 (see Fig. 6). This is the surface on which the rotating end of the peeling claw 12 A can be brought into contact with the surface.
- the peeling claw support member 12C has a substantially gate shape when viewed opposite to the master transport direction.
- the peeling claw support member 12C has an inclined surface 12C1 and a horizontal surface 12C2 formed on the upper portion of the peeling claw support member 12C extending in the master width direction below the master transport path. It is in the form of a gate that hangs in a column on both the left and right sides of the inclined plane 12C1 and the horizontal plane 12C2.
- the stripping claw support member 12C is shown by the solid line in FIG. 6 because the columnar portions on the left and right sides are pushed and moved by the pressing portion 11G of the master socket holding member 11A. Thus, it is set in a substantially upright state. At this time, the peeling claw 12A is free to move in accordance with a change in the diameter of the master roll 16 (the range indicated by reference numerals A2 and A3 in FIG. 6) independently of the peeling claw support member 12C. It is possible to operate in one state. Further, when the state in which the peeling claw support member 12C is pushed and moved by the pressing portion 11G of the master roll holding member 11A is released, in FIG. It swings as shown by and is set in an inclined state. At this time, the receiving surface of the peeling claw 1 2 A 1 2
- a 5 is a state in which it is placed on the horizontal surface 1 2 C 2 of the peeling claw support member 12 C And can be tilted to the position indicated by reference numeral A1 in FIG.
- the peeling claw 12A moves from the maximum diameter of the master roll 16 to the minimum diameter as shown in FIG. Can respond to changes in the environment.
- the platen pressure control unit 14 is arranged downstream of the master separating means 12 in the master feeding direction T in FIG.
- the platen pressure control unit 14 includes a thermal head 14A and a platen roller 14B.
- the thermal head 14A has a well-known function of selectively heating and piercing the master 16a fed from the master roll 16.
- the thermal head 14A is freely movable toward and away from the platen roller 14B according to the structure described later.
- the platen roller 14B is fed from the master roll 16 to the master 16a or the thermal head 14a. It has a well-known function of transporting to the downstream side of the master transport path while holding it between 4A.
- the platen roller 14B is rotated by a platen drive motor (not shown) via a drive transmission mechanism (not shown) at a position facing the thermal head 14A, similarly to this type of plate making apparatus. It is provided so that it can be
- the platen drive motor is, for example, a steering motor.
- the thermal head 14 A and the platen roller 14 B made contact with and separated from each other, and applied a pinching pressure to the master 16 a that was fed out of the master roll 16. Re-released.
- the thermal head 14A is placed and fixed on the swing end side of the head support arm 14A2.
- the head support arm 14A2 is movably supported on a rotation shaft 14A1 supported by the left and right side plates.
- the rear side of the swinging end of the head support arm 14 A 2 opposite to the mounting surface of the thermal head was fixed to the right side plate.
- An eccentric cam 14 A 3 rotated by an eccentric cam drive motor 14 A 30 (see FIG. 9) is provided.
- the head support arm 14 A 2 is shown in FIG. 2 by the tension panel 14 A 4 which is hung on the swinging end side of the head support arm 14 A 2 and the left 'right plate. Energized in the counterclockwise direction.
- the eccentric cam 14 A 3 is always in contact with the back surface of the head support arm 14 A 2 which has a habit of rotating in the counterclockwise direction by the biasing force of the pull panel 14 A 4. .
- the eccentric cam 14A3 serves as a platen pressure release member, and its small diameter portion is brought into contact with the back surface of the head support arm 14A2 during plate making. As a result, the thermal head 14A fixed to the head support arm 14A2 is separated from the master transport path, so that the clamping pressure on the master 16a is released.
- the eccentric cam 14A3 rotates to reduce the large diameter portion.
- the arm is pressed against the back surface of the moving end of the arm 14 A 2.
- the head supporting arm 14A2 is pushed and moved by the large diameter portion of the eccentric cam 14A3, and the thermal head 14A is rotated clockwise in FIG.
- the thermal head 14A swinging clockwise comes into contact with the platen roller 14B.
- the master 16a is conveyed in a state where the clamping pressure is applied by the thermal head 14A and the platen roller 14B.
- the master 16a is transferred to the thermal head 14
- the main scanning direction is the length direction of the platen roller 14B
- the sub-scanning direction is a direction orthogonal to the main scanning direction and corresponds to the master feeding direction T.
- the thermal head 14A is rotated in the direction in which the thermal head 14A comes into contact with the platen roller 14B. Conversely, it is also possible to move the platen roller 14B in the direction in which it contacts the thermal head 14A.
- the eccentric cam 14 A3 is used for a short time when the master 16 a moves when the tip of the master 16 a is extended from the master port 16.
- thermal head 14 a is across the master 1 6 a between the platen roller 14 B, it is possible to repeat the and away from the platen roller 14 B .
- the platen pressure control unit 14 By rotating the platen roller 14B in the master feeding direction T in conjunction with the repetitive operation of contacting and separating the thermal head 14A and the platen roller 14B, the platen pressure control unit 14 The located master 16a is intermittently and repeatedly pulled to the downstream side of the master transport path.
- the frictional force generated at both end surfaces of the master roll 16 in the storage recess 11A4 of the master roll holding member 11A is converted into a resistance force at the time of paying out, and the master roll 16 is fed back from the force. It is possible to lengthen the shis etc. generated in the issued master 16a and remove the shis etc.
- the eccentric cam 14A3 rotates and its small diameter portion contacts the back surface of the moving end of the head support arm 14A2. As a result, the thermal head 14A is separated from the platen roller 14B, and the clamping pressure on the master 16a is released.
- FIGS. 1 and 2 on the downstream side of the master transport path in the platen pressure control section 14, cutting for cutting the leading end and the trailing end of the master 16a or the master 16a is performed.
- Device 17 is located.
- a guillotine cutter / rotary cutter is employed as the cutting device 17.
- the plate cylinder 2 is cut to the required length and
- the gripping member 2F is inserted between the opened gripping member 2F and the stage 2E, and the tip is gripped and fixed by closing the gripping member 2F.
- the transport roller 18 is connected to a transport motor 18A (shown only in FIG. 9) fixed to the right plate via a shaft (not shown), and is rotatable.
- the driving of the transport roller 18 is not limited to the above configuration, but may be as follows.
- a gear is fixedly provided at the shaft end of the transport roller 18, and a drive gear corresponding to this gear is provided in the platen drive motor, and an electromagnetic clutch is provided between the shaft of the transport roller 18 and the gear. It may be configured to be mounted. Alternatively, a combination of the above may be used.
- a document reading unit (not shown) is provided above the stencil printing apparatus 1.
- the document reading unit includes a document scanning unit using a contact glass, and irradiates light from a light source provided in the document scanning unit to a document placed on the contact glass, and outputs the light from the document.
- the reflected light is made incident on an image sensor such as a CCD through an imaging optical system including a mirror and an imaging lens to capture image information.
- the image information is output to a control unit, which will be described in detail later, and is used as data for a perforation process in the plate making device 10.
- a plate discharging section 20 is arranged on the upper left side of the plate cylinder 2 facing the plate making device 10 with the plate cylinder 2 interposed therebetween.
- the plate discharging section 20 is located near the plate cylinder 2 and has an upper plate discharging member 2 OA, a lower plate discharging member 20 B, and a plate discharging box 2 where belts capable of holding the used master 16 a are brought into contact with each other. With one.
- the belts provided on the upper and lower plate discharging members 20 A and 20 B are respectively stretched over rollers located near the plate cylinder 2 and rollers located on the plate discharging box 21 side.
- the used master 16a wound around the plate cylinder 2 is separated from the outer peripheral surface of the plate cylinder 2 by the belt, and further transported to the plate discharge box 21 by the belt.
- the lower plate discharging member 20B has the plate cylinder 2 rotated counterclockwise. Can be approached to the outer peripheral surface of the plate cylinder 2 at the time of plate discharging, and when approaching, accept the rear end of the used master 16a and turn it toward the plate discharging box 21. It can be transported.
- a vertically movable compression member 22 is provided at the top of the plate discharge box 21.
- the compression member 22 compresses the used master 16a stored in the plate discharge box 21 to prepare a storage space for the master 16a to be discarded next. If the inside of the stencil discharge box 21 is filled with the used master 16a, the stencil printing device 1 is taken out of the stencil printing machine 1 and the used master accommodated in the stencil discharge box 21 is removed. 16a is disposed of.
- FIG. 1 the lower side of the plate cylinder 2 facing the press roller 4 and the downstream side of the plate cylinder 2 rotating clockwise as indicated by the arrow in the figure.
- a peeling claw 30 is provided which is accessible to the outer peripheral surface. The peeling claw 30 peels the printing paper S from the plate cylinder 2, and the peeled printing paper S is discharged toward the discharge conveyance device 41.
- the discharge conveyance device 41 has an endless conveyance belt 44 stretched over a pair of rollers 42, 43 and forms a discharge portion of the printing paper S.
- the printing paper S peeled off from the outer peripheral surface of the plate cylinder 2 is transported onto the transport belt 44 of the discharge transport device 41 and transported to the discharge tray 45.
- a suction fan 46 for sucking S is disposed below the surface of the transport belt 44 on which the printing paper S is placed. Further, the paper discharge tray 45 may be provided so as to be capable of being turned upside down with respect to the side wall surface of the printing apparatus by providing a rotating shaft (not shown) at the base end.
- Fig. 9 shows a plate making machine based on image information from the document reading unit.
- c ninth diagram configuration of the controller 5 0 which performs drilling processing control or the like is shown at 1 0, the controller 5 0 from reading extent Rie original image, plate-making and plate supplying step, printing step and A microcomputer having a ROM 50B for storing a basic program for performing overall sequence control over the paper discharging process and a RAM 50C for registering data.
- control unit 50 Through an IZO interface (not shown), the input side of the control unit 50 is connected to the original reading unit, the master detection unit 60, the master set detection unit 61, the master leading end detection unit 62, and the operation unit 6
- An operation setting key 63a which is connected to the input side of the control unit 50 and surrounded by a two-dot chain line, indicates a control component that is not used in the first embodiment.
- the master detection means 60 is a reflection type optical sensor installed on the bottom wall of the guide member 15, as shown in FIGS.
- the master detecting means 60 includes a light emitting portion and a light receiving portion, and is a reflected light obtained when the master roll 16 is loaded in the storage recess 11 A 4 of the master roll holding member 11 A. Is detected.
- the master detecting means 60 When the master roll 16 is located in the storage recess 11A4 of the master roll holding member 11A, the presence of the master roll 16 is detected by the master detecting means 60.
- the master detecting means 60 is a reflection-type optical sensor, and functions as a means for detecting when the master roll 16 has reached a usable limit. As described with reference to FIG. 10, the master roll 16 has the low-reflectance portion 16A coated with black. When the master 16a of the master roll 16 is consumed and the service limit is reached, the black painted part corresponding to the low reflectivity part 16A, which is lower than the reflectivity up to that point, faces the master detection means 60. Therefore, the master detection means 60 outputs a signal indicating that the reflectance has decreased. In the control section 50, the low reflectance section 16 A is determined by the master detection means 60. When a signal corresponding to the reflectance is input, it is determined that the master 16a must stop feeding.
- the master set detection means 61 in the first embodiment a reflection type optical sensor capable of detecting the presence or absence of the reflection surface at the tip of the swinging end of the peeling claw support member 12C is used.
- the master set detection means 61 detects that the peeling claw support member 12 C has been pushed and moved by the pressing portion 11 G of the master roll holding member 11 A, and detects the drive motor 1 of the master rotation drive portion 13.
- the c- master tip detecting means 62 which is also an operation detecting means for detecting the operation start timing of 3A and outputting the detection signal to the control unit 50, includes a master as shown in FIGS.
- a first master leading edge detection means 62A located downstream of the master separation means 12 in the feeding direction T and upstream of the platen roller 14B in the master conveyance path; And a second master tip detecting means 62B located downstream of the cutting device 17 in the present embodiment.
- Each of the first and second master tip detecting means 62A and 62B is a reflection type optical sensor, and has a known configuration including a light emitting unit and a light receiving unit.
- the first master leading edge detecting means 62A functions to output a reference signal for driving the platen pressure control section 14 when the leading edge of the master 16a is detected.
- the second master leading edge detecting means 62B outputs a reference signal for continuing the repetition of the master 16a for a predetermined time from when the leading edge of the master 16 is detected. have.
- the feed amount of the master 16a which is determined when the signal from the second master tip detection means 6 2B is output, is such that the tip of the master 16a is the clamper 2 of the plate cylinder 2.
- a plate making start switch is a switch operated when a new plate-making master 16a is wound around the plate cylinder 2.
- the master 16a is automatically fed from the master roll 16 to the platen pressure control unit 14 to make a plate, and the plate-making master 16a is transferred to the plate cylinder 2.
- a so-called printing operation is performed in which only one sheet of printing paper S is passed through and the ink is exuded into the perforated portion of the plate 16 and the master 16a which has been made.
- a print start command switch provided separately from the plate making start switch is operated.
- the control unit 50 stops driving the drive motor 13 A of the master rotation drive unit 13 when the detection signals from the master detection unit 60 and the master set detection unit 61 are not input.
- the platen pressure control section 14 uses the small-diameter portion of the eccentric cam 14 A3 for the eccentric cam drive motor 14 A30 of the eccentric cam 14 A3 to swing the head support arm 14 A2.
- the platen roller 14B is rotated in a direction to obtain a state of facing the moving end, and the driving of the platen drive motor of the platen roller 14B is stopped.
- the platen pressure control unit 14 releases the pinching of the master 16a by the thermal head 14A and the platen roller 14B, and performs transport and heating perforation while pinching the master 16a. Make it impossible.
- the control section 50 drives the drive motor 13A of the master rotation drive section 13 to drive the master. Set the state where the tip of master 16 a can be extended from roll 16.
- the rotation direction of the drive motor 13 A in the master rotation drive unit 13 is once set to a direction opposite to the direction in which the tip of the master 16 a can be pulled out from the master roll 16.
- 6 a can be switched in the direction that can be extended. This is because, regardless of the position of the tip of the master 16a that is peeled and separated from the master roll 16, the master separation means 12 accurately faces the separation claw 12A and the master To ensure that the tip of 16a can be peeled and separated It is. For example, when the tip of the master 16a passes through the peeling claw 12A and is located near the peeling claw 12A, the master 16a is rotated in the direction opposite to the feeding direction.
- the master 16a is pulled back to a position where the leading end faces the peeling claw 12A, so that when the master roll 16 rotates in the feeding direction, the leading end of the master 16a is peeled and the master 16a is peeled off. It is possible to shorten the time until the roll 16 is separated.
- the control unit 50 continues the rotation of the master rotation driving unit 13 for a predetermined time. Stop later.
- the tip of the master 16a is sandwiched between the thermal head 14A and the platen roller 14B in the platen pressure control unit 14. Is moved to the position.
- control unit 50 controls the eccentricity of the eccentric cam 14 A3 to swing the head support arm 14A2 (see FIG. 2) toward the platen roller 14B. Control the rotation of the cam drive motor 14A30, and set the state in which the clamping force on the master 16a by the thermal head 14A and the platen roller 14B is applied.
- the platen roller 14B When a state is set in which the thermal head 14A abuts on the platen roller 14B and applies a pinching force to the master 16a, the platen roller 14B is removed by the platen drive motor. The master 16a is rotated and cooperated with the thermal head 14A so that the master 16a can be conveyed while being pinched.
- the control unit 50 controls the platen drive motor and the transport roller 18 of the platen roller 14B. Turn the transfer motor 18 A at a fixed rate. When the platen roller 14B and the transport roller 18 rotate a predetermined amount, the leading end of the master 16a is fed between the expanded holding member 2F of the plate cylinder 2 and the stage 2E.
- FIGS. 11 to 16 and FIGS. 11 to 16 show a state in which the master 16 a is fed out from the master roll 16.
- the plate supply processing operation will be described with reference to the flowcharts of FIGS. 17 and 18 showing the control operation of the control section 50 and the following. Note that the operation diagrams in FIGS. 11 to 16 are shown somewhat schematically with respect to FIGS. 1 and 2 for the sake of simplicity.
- FIG. 11 shows a case where a new master roll 16 is loaded.
- the handle 11C is operated by the operator, the master roll holding member 11A is pulled out, for example, to the outside of the plate making apparatus 10.
- the master detection means 60 When a new master roll 16 is loaded, it will be replaced with the previously loaded master roll 16, but the necessity of the replacement is detected by the master detection means 60. You. In other words, as the master 16a is consumed and approaches the usage limit, the winding amount of the master 16a decreases. For this reason, the light emitted from the master detecting means 60 does not reflect due to the influence of the low reflectance portion 16A provided on the master roll 16 as described in FIG. This causes a reduction in the amount of reflected light to the master detecting means 60.
- the master detecting means 60 tracks changes in the amount of reflected light, and when the amount of light reaches a predetermined value or less, outputs a detection signal to the control unit 50 indicating that the state has been detected.
- control section 50 When receiving the detection signal from master detecting means 60, control section 50 sets a state in which master roll holding section 11 is allowed to be withdrawn.
- the small diameter portion of the eccentric cam 14A3 is used for the eccentric cam drive motor 14A30 of the eccentric cam 14A3. Is controlled so as to be opposed to the moving end of the motor.
- the thermal head 14A is released from the pressure applied to the master 16a by the platen roller 14B. At the same time, the rotation of the platen drive motor of the platen roller 14B is also stopped.
- the peeling claw supporting member 12C of the master separating means 12 which has been pushed and moved by the pressing portion 11G becomes As shown in Fig. 11, the swinging end of the peeling claw 1 A is rotated in the counterclockwise direction. 6 is separated from the outer peripheral surface.
- the master detecting means 60 detects the presence of the master roll 16 which is not at the limit of use and sets the master set.
- the detection means 61 detects that the master roll holding member 11 A has been set at the insertion position.
- step ST1 the detection signals from the master detection means 60 and the master set detection means 61 are determined (steps ST1, ST2).
- the drive motor 13 A of the master rotation drive unit 13 is driven to rotate, and each operation of the master rotation drive unit 13 is performed. It is started (step ST 3).
- step ST4 it is determined whether or not there is a detection signal from the first master leading edge detecting means 62A for detecting the leading edge of the master 16a.
- the operation of the master rotation drive unit 13 is continued. At this time, the tip of the master 16a is set in a state where it can reach the platen pressure control unit 14 (step ST5).
- the master 16 whose first tip is detected by the first master tip detection means 62 A is used.
- a is the distance between the platen roller 14B of the platen pressure control unit 14 and the thermal head 14A from the position where the leading end of the master 16a is detected by the first master leading end detecting means 62A. It is transported by a distance of about 2 Omm until it passes through the gap.
- the drive motor 13A is set at a predetermined rotation amount necessary for transporting the tip of the master 16a to the downstream side of the master transport path, and this state is shown in FIG. It is shown.
- step ST6 the determination of the rotation stop time of the drive motor 13 A of the master rotation drive unit 13 is determined by the drive motor 13 A of the master rotation drive unit 13. This is performed by reading a predetermined rotation amount by the control unit 50 via a master roll rotation amount detecting means (not shown) including a rotary encoder and the like.
- step ST7 the control process in the platen pressure control unit 14 is executed.
- step ST7 the thermal head 14A is brought into contact with the platen roller 14B in the platen pressure control unit 14. And apply a pinching force to the master 16a.
- the control unit 50 controls the rotation of the eccentric cam drive motor 14A30 of the platen pressure control unit 14 in FIG. 15 so that the eccentric cam 14A3 has its large diameter.
- the part is pressed against the back surface of the swinging end of the head support arm 14A2.
- the head support arm 14A2 swings the thermal head 14A toward the platen roller 14B, so that the thermal head 14A and the platen roller 14B carry the master 16a while nipping the master 16a. It can be sent.
- the eccentric cam 14 A3 is continuously rotated for a short time, and the thermal head 14A and the platen roller 14 are sandwiched by the master 16a.
- the operation of approaching and separating from B is repeated.
- the platen roller 14B is rotated in the direction in which the master 16a is transported downstream of the master transport path by the platen roller 14B, that is, the platen roller 14B is rotated clockwise in FIG.
- the master 16a is pulled intermittently repeatedly. This prevents the master 16a fed from the master roll 16 from having a shear.
- step ST6 the operation of feeding out the master 16a from the master roll 16 is performed by the rotation of the platen roller 14B, and the master roll 16 is driven by the master drive roller 11D, 1 1 Rotated while sliding on E.
- step ST7 When the processing in the platen pressure control unit 14 is performed in step ST7, when the thermal head 14A is repeatedly brought into and out of contact with the rotating platen roller 14B, the thermal head is applied to the platen roller 14B. Only when the node 14A comes into contact, the master 16a is fed out of the master port 16 and the tip of the master 16a reaches the position of the second master tip detection means 62B. This state is detected by the second master tip detection means 62B (step ST8).
- the second master tip detecting means 62B detects the tip of the remaster 16a
- the platen drive motor of the platen roller 14B and the transport motor 18A of the transport roller 18 are rotated by a predetermined amount.
- the platen roller 14B and the transport roller 18 rotate a predetermined amount.
- the tip of the master 16a is brought into a state of facing the clamper 2D of the plate cylinder 2 (step ST9).
- This state is shown in FIG. 16, and this state is a plate making standby state.
- the amount of movement of the master 16a is set to 25 mm, which corresponds to the distance from the position of the platen pressure control unit 14 to the position where the plate cylinder 2 can face the clamper 2D.
- the discrimination of the rotation stop timing of the platen drive motor and the transfer motor 18 A is performed in the same manner as the discrimination of the rotation stop timing of the master rotation drive unit 13, by determining the rotation amount of the platen drive motor of the platen roller 14 B by a rotary encoder. This is done by reading through signal generation means such as.
- step ST10 The platen drive motor and the transport motor 18A that have been rotationally driven in step ST9 are stopped after a predetermined amount of rotational drive (step ST10).
- FIG. 18 shows a process for releasing the pinching action on the master 16a by the platen pressure control unit 14 (in the figure, an automatic reset process is shown).
- the automatic reset process releases the master 16a and smoothly holds the master roll holding member 11A.
- the purpose is to be able to withdraw.
- step ST11 the output of the signal from the master set detecting means 61 and the output of the signal from the first master tip detecting means 62A are determined (step ST11, step ST12). If no signal is output from the master set detecting means 61 in steps ST11 and ST12, and if a signal is output from the first master tip detecting means 62A, the platen pressure control is performed. The clamping pressure release processing is executed in the part 14 (step ST13).
- step ST 13 is performed by rotating the eccentric cam drive motor 14 A30 of the eccentric cam 14 A 3 of the platen pressure control unit 14 to rotate the small diameter portion of the eccentric force 14 A 3 to the head support arm 14 A 2 Contact the back of the moving end.
- the thermal head 14A is separated from the platen roller 14B, and the clamping pressure on the master 16a is released.
- the master 16 a is held by the platen pressure control unit 14.
- the master roll holding member 11A is pulled out, the master roll 16 rotates in the storage portion 11A4 of the master roll holding member 11A due to the tension applied to the pinched master 16a. It can be unwound and relaxed. As a result, even if the pinching force is received by the platen pressure control unit 14, the breakage of the master 16a from the master roll 16 such that the master 16a is cut does not occur.
- the tip of the master 16a which is positioned so as to face the clamper 2D of the plate cylinder 2, is gripped by the gripping member 2F and the stage 2E, and the platen pressure controller 14 After being selectively heated and perforated by the thermal head 14A while being conveyed by the rotation of the platen roller 14B while being sandwiched between the thermal head 14A and the platen roller 14B, the The prepressed master 16a is fed out onto the plate cylinder 2, and is continuously or intermittently wound around the outer peripheral surface of the plate cylinder 2 rotating clockwise.
- the master roll 16 when a new master roll 16 is set, the master roll 16 is simply moved to the insertion position in the plate making apparatus 10 and the master roll 16 is moved from the master roll 16.
- Plate feeding and plate making can be executed by automatically feeding out the tip of the master 16a.
- the peeling claw 12A as the peeling means is formed of a thin piece member made of an elastic body, when the stripping member comes into contact with the outer peripheral surface of the master roll 16, the thin piece member is elastically deformed. Master port for abnormal pressure Since it is not provided on the outer peripheral surface of the master 16, it is possible to eliminate the adverse effect of scratching the surface of the master 16 a of the master mouth 16 and breaking the master 16 a.
- the peeling claw 12 A gradually tilts from the center in the width direction of the master 16 a toward both sides of the master 16 a on the upstream side in the master feeding direction T, so that the master 16 a
- the shape of the master 16 a wound on the master roll 16 a allows the tip of the master 16 a wound around the master roll 16 to move from the center in the width direction to both side edges by the peeling claw 12 A.
- the master 16a can be prevented from accidentally catching on the peeling claw 12A because the tip of the master 16a gets caught in the master roll.
- the peeling claw 12 A can contact the outer peripheral surface of the remaster roll 16 by its own weight, no special urging means is required, and the master roll 16 to the master 16 a The tip can be reliably separated and separated.
- FIG. 19 shows a first modification of the first embodiment.
- the master rotation drive unit 13 is driven after the master roll 16 is loaded in the storage unit 11 A4 of the master roll holding member 11! And intended to automatically extend the tip of the master 16a from the master roll 16 but do not want to automatically extend the tip of the master 16a from the master roll 16. Then, for example, the tip of the master 16a may be manually peeled off and separated from the master roll 16 and then fed out again.
- the operator after the operator moves the master roll holding member 11 A from the insertion position in the plate making apparatus 10, the operator also manually moves the master roll 16 to the master 16 a from the master roll 16. The tip is peeled off and separated, and is fed out toward the upper surface of the peeling claw 12A. Thereafter, the master hole holding member 11A is moved to the insertion position of the plate making apparatus 10 #.
- Modified Example 1 has a peeling claw support member 12C 'instead of the peeling claw support member 12C of the first embodiment, and the peeling claw support member 12C' is the same as the master roll holding member 11A.
- the main difference is that it is fixed to the tip portion corresponding to the pressing portion 11G and that the compression panel 12D is unnecessary.
- the peeling claw support member 1 2 C> can slide on the guide member 15 together with the master roll holding member 11 A, and the rotating shaft 12 B ′ is supported by the master roll holding member 11 A. 'It has been fixed.
- FIG. 20 shows a second modification of the first embodiment.
- the master roll holding member 1 can be extended manually by the operator.
- the separation claw 12A ' is fixed and provided, and the tip of the separation claw 12A, is brought close to the outer peripheral surface of the master roll 1'6, and is fixed so as not to swing. You may.
- the master roll holding member 11A is attached to the plate making apparatus.
- the same processing as that after step ST 1 shown in FIG. 17 is executed.
- the master driving rollers 11 and 11E are rotated reversely.
- the plate making apparatus 10 is used to switch the lid 11 B to the closed state.
- a sensor for detecting the movement may be provided, and this sensor may be used as a means for detecting the operation start timing for feeding out the master 16a.
- the master set detection means 61 is used as detection means for starting the rewinding operation of the master 16a by the master rotation drive unit 13, but the operation start timing detection means Alternatively, the master detecting means 60 can be used.
- the master detecting means 60 can be used. The reason for this is that, in addition to the master detecting means 60 detecting the presence or absence of the master roll 16, the master roll 16 loaded in the accommodating recess 14 A 4 of the master roll holding member 11 A is used for plate making. This is due to the fact that it has been detected that it has been placed at a predetermined position in the device 10.
- the above-mentioned detecting means as the operation detecting means is omitted, and instead, as shown by the imaginary line in FIG. 9, as the operation setting means for setting the operation start timing of the master rotation drive unit 13, It is also possible to attach the operation setting key 6 3a to the operation section 63 and move the master roll holding section 11 to the insertion position in the plate making apparatus 10 and then operate the operation setting key 6 3a. Good. In this case, based on the operation start timing setting signal obtained when the operation setting key 63a is operated, the control unit 50 controls the operation of the master rotation drive unit 13 to start. Can You.
- the platen pressure control unit 14 executes a straightening process for removing the shear generated on the master 16a.
- the thermal head 14A and the platen roller 14B are intermittently moved.
- the thermal head 14A and the platen roller 14B are held in contact with each other until the tip of the master 16a is detected by the second tip detecting means 62B.
- the eccentric cam drive motor 14 A 30 of the platen pressure control unit 14 is driven based on the tip detection signal of the master 16 a by the second tip detection means 62 B, and the thermal head 14 A
- the straightening process may not be performed by performing an intermittent contacting / separating operation with the platen roller 14B.
- the contact between the thermal head 14A and the platen roller 14B may be released at least once.
- the rotating means for rotating the master roll 16 rotates the master roll 16 in contact with the outer peripheral surface of the master roll 16 (in the first embodiment, the master drive rollers 11 D, 11 D).
- the master roll 16 may be rotated while the master roll 16 is fed out from the master roll 16 while holding the a.
- the printing apparatus equipped with the stencil making apparatus according to the present invention is not limited to the stencil printing apparatus 1 described above.
- the outside of a printing drum as disclosed in JP-A-7-17013 A printing apparatus configured to supply ink from the printer may be used.
- FIG. 21 shows a second embodiment according to the first invention of the present invention.
- the master 16a is a core 16
- Glue is applied over the entire area of the left end face 16 t of the master roll 16 as shown by hatching in the drawing (the portion indicated by reference numeral 16a1 in the drawing). As described above, the entire area of the left end face 16 t of the master roll 16 is coated with the glue, and one of the layers stacked in the axial direction of the master roll 16 as described above. The side end surfaces of one master 16a are adhered with glue.
- the degree of the tightening force of the master 16 a on the master roll 16 and the individual The adhesive applied to the left end face 16t of the master roll 16 oozes out on the surface near the side end ⁇ of each master 16a due to minute irregularities in the side end faces of the master 16a. In this state, the side edges of the master 16a are bonded together.
- the form of glue applied to the end face 16 t of the master roll 16 is one end face
- an organic material such as starch (known as Arabic glue) or synthetic rubber is used.
- Starch has the molecular formula (C 6 H 1 () 0 5 ) n and is insoluble in cold water, but forms glue by utilizing the property of micelles breaking down in hot water to form a paste.
- the temperature (gelatinization temperature) at which glue is formed is 60 ° C to 80 ° C. When the alkali is added at this time, the gelatinization temperature is lowered. The glue is mass-produced.
- Gum arabic is used as the gum arabic. Gum arabic is produced by dissolving hemicellulose, which is secreted from acacia, Senegal and other branches of the genus Acacia, in water to form a gelatinous liquid. The adhesive applied to the end face 16 t of the master roll 16 is separated from the master 16 by the feeding force of the master 16 a from the master roll 16. So that it ’s just as strong
- the adhesive is applied to the end face 16 t of the master roll 16 so that the adhesive strength of the applied adhesive satisfies the above condition.
- the master roll 16 is loaded into the accommodating recess 11 A 4 of the master roll holding member 11 A of the plate making apparatus 10.
- the master roll 16 is the master drive roller 11 D, 1 of the master rotation drive unit 13.
- the master 16a is rotated in the direction in which the master 16a is fed again by 1E, and the tip of the master 16a is peeled off from the roll by the peeling claw 12A of the master separating means 12. As described above, the master roll 16 is rotated and stopped after a predetermined amount of feeding has been completed.
- the end face 1 of the master roll 16 With a simple configuration in which glue is applied to at least one end face 16 t of the 6 t, generation of slack can be prevented.
- FIG. 22 shows a first modification of the second embodiment.
- Modified Example 1 is characterized in that glue is applied to the end face 16 t of the master roll 16 except for the tip of the master 16 a.
- glue is applied to the end face 16 t of the master roll 16 except for the tip of the master 16 a.
- the master roll 16 Due to the degree of the tightening force of the master 16a and the slight irregularity of the side end faces of the individual masters 16a at the end face 16t, the glue applied to the left end face 16t of the master roll 16
- the side edges of the masters 16a adhere to each other in a state where the master 16a oozes out on the surface near the side edges of each of the masters 16a.
- the side edges of the master 16 a excluding the tip of the master 16 a to be fed out (the reference numeral 16 b in the figure is replaced by the reference numeral 16 b).
- the area indicated by the hatched lines) is glued to the glue.
- the first modification has the above-described configuration, it is possible to prevent the master 16a from being prevented from rising due to the strength of the bending rigidity of the master 16a at the time of feeding. This makes it possible to accurately set the facing relationship between the peeling claw 12A of the master separating means 12 and the tip of the master 16a.
- FIG. 23 shows a second modification of the second embodiment.
- Modified Example 2 is characterized in that one end face 16 t of the master roll 16 is coated with glue in a radial direction thereof.
- the glue is applied in a radial direction from the inside to the outside of the rotation center position.
- the glue is applied in a fan-like form in which the applied radial area is widened.
- Modification 2 has the above configuration, the adhesive strength can be reduced as compared with the case where the adhesive is applied over the entire area of the end face 16 t. It is possible to reduce the rotational driving force of the master roll 16 required when the master 16a is extended. Wear. Also, the amount of glue used can be reduced.
- FIG. 24 shows a third modification of the second embodiment.
- the modification 3 is have you at a plurality of positions of the end face 1 6 t of the roll 1 6, the end face of the left £ roll 1 to 6, characterized in that in its radially Wataruri, glue is applied 1 At 6 t, as shown by the hatched area with the reference numeral 16 d in the figure, the radial area from the inside of the center of rotation to the outside in the radial direction from the inside to the outside is widened in a fan shape. In the form, glue is applied.
- the reason why the coating area outside the master roll 16 is widened in this way is that the master 16a is slackened in response to the large outer diameter of the roll portion and large inertia at the start or stop of rotation. In order to prevent this.
- the application area is not limited to the fan shape as described above, and as shown in FIG. 25, the application area having the same area from the inside to the outside of the rotation center position (in FIG. (The area indicated by the hatched area with 16 e) can also be used.
- FIG. 26 shows a fourth modification of the second embodiment.
- Modified Example 4 is characterized in that the adhesive-coated surface of the end face 16 t of the master roll 16 is a plurality of concentric rings that are color-coded.
- a plurality of concentric rings are colored in different colors so that the angles of the oblique lines in areas A, B, and C in the figure are different from each other. Is applied.
- Such color-coded pastes of different colors should be applied not only to the entire area of the concentric belt, but also to the roll part corresponding to the roll diameter that has reached the service limit. You may. Since Modification 4 has the above configuration, it is possible to identify the remaining amount each time the master 16a of the master roll 16 is used, and it may be time to reach the use limit and replace it. The color can be determined by the color of the glue.
- the radial portion may be applied with a fan-shaped area over the radial direction.
- the paste application state described above is not limited to uniform application, and a message or the like may be entered.
- FIG. 28 shows a fifth modification of the second embodiment.
- both end surfaces 16 t of the master roll 16 glue is applied to both end surfaces 16 t of the master roll 16, and different colors are applied to the applied surfaces of both glues as identification marks different from each other. It is characterized by the following.
- both end faces 16 t of the master roll 16 are indicated by hatched portions (portion indicated by reference symbol P 1) and intersecting diagonal portions (portion indicated by reference symbol P 2).
- glues of different colors are attached to each other.
- the application area in this case corresponds to the entire area of the end face, as in the embodiment shown in FIG.
- the master roll 16 is attached to the master roll holding member 11 A of the plate making device 10 (Fig. 2 This is to determine the feeding position of the leading end of the master 16a when loading it into the storage recess 11A4 (see Fig. 3).
- the master roll 1 corresponding to the case where the tip of the master 16a is extended in the tangential direction from above the roll peripheral surface or the case where it is extended in the tangential direction from below the roll peripheral surface.
- the direction of 6 is identified by the color of the end face 16 t, it can be loaded. As a result, it is possible to prevent the leading end of the master 16a fed from the master roll 16 from being clogged halfway and causing a plate feeding failure.
- identification display on the end face 16t is not limited to different colors.
- a message including characters such as “blue” and “red” may be used.
- the identification display on the end face 16t is not limited to the above display methods as long as it is a display method capable of identifying any end face 16t.
- FIG. 29 shows a third modification of the first embodiment.
- Modification Example 3 of the first embodiment includes a master roll 1 at each position of the master roll holding section 11 corresponding to both end faces 16 t of the master roll 16 supported by the master roll holding section 11. 6 is characterized in that identification marks corresponding to the identification marks on both end faces 16 t are respectively provided.
- FIG. 29 shows the master roll holding portion 11 of the master roll holding member 11A loaded with the master roll 16 shown in FIG.
- the loading position of the master roll 16 on the master roll holding member 11 A is indicated by a colored portion 1 1 corresponding to the color of the glue applied to both end surfaces 16 t of the master roll 16.
- a 10 (corresponding to PI) and 11 All (corresponding to P 2) are formed.
- the third modification of the first embodiment has the above configuration, when the master roll 16 is set in the plate making apparatus 10, both end faces 16 t of the master roll 16 are required. Match the color of the paste applied to the coloring of the master roll holding member 11 A side with the color of the colored portions 11 A 10 and 11 A 11. This makes it possible to easily and easily determine the leading-out position and the direction of the leading end of the master 16a from the set master roll 16 without error. If only one end face 16t of the master roll 16 is coated with glue and is identified, the master roll 16 on the master roll holding member 11A is correspondingly marked.
- the above-mentioned identification display corresponding to the above-mentioned identification display of one of the master rolls 16 may be given to the loading position.
- FIG. 30 shows a sixth modification of the second embodiment.
- this modification 6 only the outermost end face 16 t of the master roll 16 excluding the tip of the master 16 a, and the outermost master roll 16 excluding the tip of the master 16 a except for the tip of the master 16 a It is characterized in that only the side edges of 16a are coated with glue.
- FIG. 31 shows a modification 7 of the second embodiment.
- Modification 7 is characterized in that, at a plurality of positions on the end face 16 t of the master roll 16, the paste is applied only to a radially outer portion thereof.
- glue is applied only to the radially outer portion from the inside of the rotation center position to the outside as shown by the hatched line with the reference numeral 16 g in the figure. Have been.
- Modifications 6 and 7 have the above configurations, it is necessary to prevent the master roll 16 from unwinding from the master roll 16 when handling the master roll 16 during transport or initial setting. There is a monkey.
- the master roll 16 in the second embodiment and the modified examples shown in FIGS. 21 to 28 and the modified examples can be transferred not only at the time of transporting the master roll 16 and at the initial setting but also at the time of resetting.
- variants 6 and 7 which have the advantage that they can prevent the master 16a from unraveling from 16 but only at the initial supply of the master roll as a supply, this is in contrast to It is.
- the present invention is not limited to the master 16a of the master roll 16 used in the first and second embodiments of the present invention and the modified examples thereof, and may be, for example, substantially 1 to 3 / m thick. It is also possible to use a master roll in which a master made of only a thermoplastic resin film is wound into a roll.
- a master consisting essentially of a thermoplastic resin film is not only a master consisting of a thermoplastic resin film alone, but also a thermoplastic resin film containing a trace component such as an antistatic agent. Is the major surface of the thermoplastic resin film, that is, At least one of them includes one or more thin film layers such as an overcoat layer.
- the present invention is not limited to the master roll 16 used in the first and second embodiments according to the present invention and the respective modified examples thereof, and the core material is formed by projecting from both end faces of the master roll.
- the second embodiment can be applied to a conventional master roll. Further, in the plate making apparatus, it is possible to cope with the above-mentioned conventional master roll only by changing the positioning support structure of the core part.
- the second embodiment can be applied to a master roll formed by winding without using a core material.
- the master roll positioning support structure is also used in a plate making apparatus. It is possible to respond simply by changing.
- the master roll 16 used in the first and second embodiments according to the present invention and each of the modifications thereof has a low reflectance portion 1 made of the same black paint as shown in FIG. It goes without saying that it has 6 A. Industrial applicability
- the stencil master according to the first invention of the present invention is useful as a supply for stencil printing, particularly for use in a stencil printing machine equipped with a stencil printing machine, among printing machines and the like.
- the effect can be fully exhibited at the time of transport, handling and initial setting of the master roll.
- the stencil making machine according to the second invention of the present invention is a stencil making machine particularly equipped with a stencil printing machine among printing machines and the like, which improves operability at the time of initial setting of a master roll. This is useful as a device that can automatically or semi-automatically feed the master without loosening the tip of the master.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970702113A KR100244166B1 (ko) | 1995-07-31 | 1996-06-20 | 제판용 마스터 및 이를 이용한 제판장치 |
GB9706353A GB2308098B (en) | 1995-07-31 | 1996-06-20 | Stencil and stencil perforating device |
US08/809,364 US5799577A (en) | 1995-07-31 | 1996-06-20 | Stencil and stencil perforating device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19530995 | 1995-07-31 | ||
JP7/195309 | 1995-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997004967A1 true WO1997004967A1 (fr) | 1997-02-13 |
Family
ID=16339018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/001713 WO1997004967A1 (fr) | 1995-07-31 | 1996-06-20 | Original pour realisation de cliches et appareil a realiser les cliches |
Country Status (5)
Country | Link |
---|---|
US (3) | US5799577A (ja) |
KR (1) | KR100244166B1 (ja) |
CN (2) | CN1139496C (ja) |
GB (1) | GB2308098B (ja) |
WO (1) | WO1997004967A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6948673B1 (en) | 1999-08-26 | 2005-09-27 | Tohoku Ricoh Co., Ltd. | Master roll and a master roll holding apparatus |
JP2009227469A (ja) * | 1999-02-03 | 2009-10-08 | Takazono Sangyo Co Ltd | 分包紙用紙管及び分包紙ロール |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09109534A (ja) * | 1995-08-11 | 1997-04-28 | General Kk | スタンプ及びスタンプカセット |
US6113346A (en) | 1996-07-31 | 2000-09-05 | Agfa Corporation | Method for loading and unloading a supply of plates in an automated plate handler |
JP4180693B2 (ja) * | 1997-11-21 | 2008-11-12 | 東北リコー株式会社 | 多色印刷方法及び多色印刷システム |
JPH11268390A (ja) * | 1998-03-20 | 1999-10-05 | Riso Kagaku Corp | 製版印刷装置 |
US6257410B1 (en) * | 1999-07-30 | 2001-07-10 | The Procter & Gamble Company | Dispensable products having end-wise indicia |
FR2867051B1 (fr) * | 2004-03-05 | 2006-09-29 | Georgia Pacific France | Rouleau a distribution controlee |
DE102004012727A1 (de) * | 2004-03-16 | 2005-10-06 | Voith Paper Patent Gmbh | J-Linie |
US8181896B1 (en) * | 2008-09-11 | 2012-05-22 | Scribner Patrick L | Marking off tape assembly |
US9476206B2 (en) * | 2013-10-09 | 2016-10-25 | United States Gypsum Company | Wallboard joint tape having directional indicators |
JP6498977B2 (ja) * | 2015-03-20 | 2019-04-10 | 富士通コンポーネント株式会社 | プリンタ |
DE102019201601A1 (de) * | 2019-02-07 | 2020-08-13 | Bhs Intralogistics Gmbh | Materialrollen-Vorbereitungsanordnung |
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JPS597082A (ja) * | 1982-07-06 | 1984-01-14 | Matsushita Electric Ind Co Ltd | 製版・印刷機 |
JPS5916791A (ja) * | 1982-07-19 | 1984-01-27 | Matsushita Electric Ind Co Ltd | ロ−ル式感熱孔版印刷用原紙 |
JPH02206551A (ja) * | 1989-02-06 | 1990-08-16 | Riso Kagaku Corp | 製版印刷装置 |
JPH0310055Y2 (ja) * | 1985-08-21 | 1991-03-13 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5916792A (ja) * | 1982-07-19 | 1984-01-27 | Matsushita Electric Ind Co Ltd | ロ−ル式孔版印刷用原紙 |
JPS5996983A (ja) * | 1982-11-26 | 1984-06-04 | Riso Kagaku Corp | 孔版式製版印刷装置 |
JPS63178134A (ja) * | 1986-09-22 | 1988-07-22 | Asahi Chem Ind Co Ltd | 芳香族ポリケトン系共重合体及びその製造方法 |
US5207157A (en) * | 1989-12-22 | 1993-05-04 | Ricoh Company, Ltd. | Control device for a stencil duplicating machine |
JPH05155169A (ja) * | 1991-12-06 | 1993-06-22 | Ricoh Co Ltd | 感熱性孔版原紙 |
DE9210495U1 (de) * | 1992-08-06 | 1993-12-02 | Beloit Corp., Beloit, Wis. | Rollenwickelmaschine mit Befestigungseinrichtung für Bahnenden |
JPH06239047A (ja) * | 1993-02-17 | 1994-08-30 | Tohoku Ricoh Co Ltd | 孔版印刷用原紙 |
JP2790963B2 (ja) * | 1993-06-30 | 1998-08-27 | 東北リコー株式会社 | 印刷装置 |
JP3370740B2 (ja) * | 1993-07-23 | 2003-01-27 | ブラザー工業株式会社 | テープユニット、テープカセット並びにテープ印字装置 |
JP3466283B2 (ja) * | 1993-09-13 | 2003-11-10 | 東北リコー株式会社 | 孔版製版装置及びマスタ貯容ユニット |
JP2843238B2 (ja) * | 1993-09-30 | 1999-01-06 | 東北リコー株式会社 | 印刷機における製版及び給版装置 |
JP3422826B2 (ja) * | 1993-11-09 | 2003-06-30 | 理想科学工業株式会社 | 孔版印刷装置 |
JPH0999620A (ja) * | 1995-07-31 | 1997-04-15 | Tohoku Ricoh Co Ltd | 製版装置およびそれに用いる製版用マスタ |
JPH09201934A (ja) * | 1995-11-21 | 1997-08-05 | Tohoku Ricoh Co Ltd | シートロールの自動先端剥離装置および製版装置 |
JP3957791B2 (ja) * | 1995-12-22 | 2007-08-15 | 東北リコー株式会社 | 製版書込み装置 |
JP3257485B2 (ja) * | 1997-11-19 | 2002-02-18 | 三菱マテリアル株式会社 | 通信方式と通信方法 |
-
1996
- 1996-06-20 CN CNB001226908A patent/CN1139496C/zh not_active Expired - Fee Related
- 1996-06-20 KR KR1019970702113A patent/KR100244166B1/ko not_active Expired - Fee Related
- 1996-06-20 WO PCT/JP1996/001713 patent/WO1997004967A1/ja active IP Right Grant
- 1996-06-20 GB GB9706353A patent/GB2308098B/en not_active Expired - Fee Related
- 1996-06-20 CN CN961908327A patent/CN1064904C/zh not_active Expired - Fee Related
- 1996-06-20 US US08/809,364 patent/US5799577A/en not_active Expired - Fee Related
-
1998
- 1998-02-23 US US09/028,115 patent/US5927192A/en not_active Expired - Fee Related
- 1998-11-02 US US09/184,354 patent/US6076461A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS597082A (ja) * | 1982-07-06 | 1984-01-14 | Matsushita Electric Ind Co Ltd | 製版・印刷機 |
JPS5916791A (ja) * | 1982-07-19 | 1984-01-27 | Matsushita Electric Ind Co Ltd | ロ−ル式感熱孔版印刷用原紙 |
JPH0310055Y2 (ja) * | 1985-08-21 | 1991-03-13 | ||
JPH02206551A (ja) * | 1989-02-06 | 1990-08-16 | Riso Kagaku Corp | 製版印刷装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009227469A (ja) * | 1999-02-03 | 2009-10-08 | Takazono Sangyo Co Ltd | 分包紙用紙管及び分包紙ロール |
JP4486154B2 (ja) * | 1999-02-03 | 2010-06-23 | 高園産業株式会社 | 分包紙用紙管 |
US6948673B1 (en) | 1999-08-26 | 2005-09-27 | Tohoku Ricoh Co., Ltd. | Master roll and a master roll holding apparatus |
Also Published As
Publication number | Publication date |
---|---|
KR970706133A (ko) | 1997-11-03 |
CN1139496C (zh) | 2004-02-25 |
GB9706353D0 (en) | 1997-05-14 |
US6076461A (en) | 2000-06-20 |
CN1064904C (zh) | 2001-04-25 |
CN1307974A (zh) | 2001-08-15 |
US5927192A (en) | 1999-07-27 |
CN1161018A (zh) | 1997-10-01 |
GB2308098A (en) | 1997-06-18 |
US5799577A (en) | 1998-09-01 |
GB2308098B (en) | 1998-10-21 |
KR100244166B1 (ko) | 2000-03-02 |
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