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WO1998012052A1 - Imprimante et unite d'entrainement de support - Google Patents

Imprimante et unite d'entrainement de support Download PDF

Info

Publication number
WO1998012052A1
WO1998012052A1 PCT/JP1996/002677 JP9602677W WO9812052A1 WO 1998012052 A1 WO1998012052 A1 WO 1998012052A1 JP 9602677 W JP9602677 W JP 9602677W WO 9812052 A1 WO9812052 A1 WO 9812052A1
Authority
WO
WIPO (PCT)
Prior art keywords
medium
printing
roller
pressing
printing device
Prior art date
Application number
PCT/JP1996/002677
Other languages
English (en)
Japanese (ja)
Inventor
Masashi Inoue
Tadahiro Ageishi
Original Assignee
Hitachi, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi, Ltd. filed Critical Hitachi, Ltd.
Priority to PCT/JP1996/002677 priority Critical patent/WO1998012052A1/fr
Publication of WO1998012052A1 publication Critical patent/WO1998012052A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form

Definitions

  • an alignment function for aligning the media at a fixed position (media aligning function)
  • a print medium is set in a medium suction port and is conveyed to a print head position by a conveyance roller. If the print medium is set in an incorrect position in the medium suction port, for example, The printing medium was conveyed while being tilted, and it was not possible to print at the correct printing position at this mark, which was a problem.
  • a transport roller is linked to a coin roller that corrects the inclination of the print medium, and the print medium is transported to the print unit.
  • a technique has been disclosed in which the medium is arranged in a fixed position by being conveyed stepwise.
  • the simplification and downsizing of the printing apparatus there is no consideration of the simplification and downsizing of the printing apparatus, and a new problem that the printing apparatus becomes complicated and large has newly arisen. Disclosure of the invention
  • the printing device of the present invention is designed to simplify the device as much as possible and The purpose is to arrange the conveyance of the medium.
  • the printing apparatus of the present invention when the print medium is set at an incorrect position of the medium suction port, the medium is conveyed to the print head position by the conveyance roller when the medium is conveyed.
  • the pressing roller is lifted up, and the holding between the pressing roller and the driving roller for transporting the medium is released.
  • the rotating arm is rotated to move the print medium to a horizontal guide perpendicular to the print line, thereby adjusting the print medium to a predetermined position.
  • FIG. 1 shows an external view of a printing device 40 of the present invention viewed obliquely from the front and a partial oblique view thereof.
  • FIG. 2 shows a side view of the internal configuration of the printing device 40 of FIG.
  • FIG. 3 shows a front view of the medium shifting mechanism section 34 of FIG.
  • FIG. 4 is a cutaway view of the roller lift-up mechanism 35 shown in FIG. 1, showing how the pressing roller 11 and the A drive roller 13 sandwich the medium.
  • FIG. 5 is a front view of the roller lift-up mechanism 35 in the first position, showing a state in which the pressing roller 11 is lifted up.
  • FIG. 6 shows a control block diagram of the printing device 40 of FIG.
  • No. 7 shows an operation flowchart when the roller is lifted up and when the medium is approached.
  • FIG. 1 is an external view of the printing apparatus of the present invention viewed obliquely from the front, and further shows a partial perspective view of the inside thereof.
  • the print medium is inserted into the transport path formed by the upper transport path surface 5 and the lower transport path surface 3 in the direction of arrow 38, that is, from the front of the printing apparatus.
  • the print medium is mainly a booklet-like medium, such as a passbook, but may be ordinary ordinary paper such as a form.
  • Sensors for detecting the inserted or conveyed print medium include a lateral sensor 7, a front sensor 8, and a presence / absence sensor 26.
  • the lateral sensor 7 is installed near the lateral guide 4 and detects that there is a medium when dark, and that there is no medium when it is light. Although the installation location is different, each of the front sensor 8 and the presence / absence sensor 26 is also a sensor for detecting the presence / absence of a medium.
  • the mechanisms that compose the printing device 40 are roughly divided into a transport mechanism that transports the medium in the X direction from the front to the rear of the device, There is an alignment mechanism that performs alignment (or transport).
  • the transport mechanism is a transport roller that is made of an elastic material such as rubber and is in direct contact with the medium. It has the power to transport it from below the media.
  • the A drive roller 13 and the pressing roller 11 serving as the transport mechanism have a port lift-up function for releasing the nipping of the medium.
  • the aligning mechanism is composed of a medium shifting mechanism 34 for shifting the medium to the lateral guide 4. Specifically, the rotating arm 2 described later shifts the medium to the lateral guide 4 to align the medium with the medium. I do.
  • FIG. 2 shows the internal configuration of the printing device 40 shown in FIG. 1, and particularly shows a medium transport system.
  • the printing medium is inserted and set from the medium suction port 36, and is conveyed along a conveyance path including a guide between the lower conveyance path surface 3 and the lower conveyance path surface 5 (the direction of the arrow 38 in FIG. 1).
  • the medium is transported by nipping the drive roller 13 and the pressing roller 11 and B by nipping the driving roller 16 and the pressing roller 33. This force is transmitted to the medium by force, and the medium is transported.
  • the A drive roller 13 and the B drive roller 16 are brought into contact with the transfer motor 31 via the belt 32, and the power of the transfer motor 31 is transferred to the A drive roller 13 and the B drive roller 16. Then, the rotation power to the medium is finally transmitted and transported.
  • a presence / absence sensor for detecting the presence / absence of a medium is provided between the medium suction port 36 and the A drive roller 13.
  • the medium is inserted and set from the medium suction U 36, and the medium covers the presence / absence sensor 26, so that the no sensor 26 detects the medium.
  • the control unit 27 described later drives the transport motor 31 based on the detection signal. Accordingly, the medium is transported in the direction of arrow 38 in FIG. 1, that is, from the left side (before the printing device 40) to the right side (the rear surface of the printing device 40) in FIG.
  • a front sensor 8 is provided between the A drive roller 13 and the print head 14 as a sensor for detecting the medium.
  • the front sensor 8 detects the medium when the medium conveyed from the medium suction U36 hits the sensor.
  • the control unit 27 stops the drive motor 31 and stops the medium at the detection position of the front sensor 8. At this point, the medium is not held between the A drive roller and the pressing / soiling: the force held between the rollers 11, and the medium is not held between the B drive roller 16 and the pressing roller 33.
  • the push roller 11 is lifted up. That is, the medium held between the A drive roller 13 and the pressing roller 11 is released from the holding, and enters a free state.
  • the function corresponding to this lift-up is shown by the lift-up mechanism 35 in FIG. 1.
  • the lift-up machine ## will be described with reference to FIGS. 4 and 5.
  • FIG. 4 shows a state in which the medium is nipped by the pressing roller 11 and the driving roller 13
  • FIG. 5 shows a state in which the nipping is released and the pressing roller 11 is lifted up. is there.
  • the pressing roller 11 is attached to a shaft 12 extending in a lateral direction of the printing device 40. And this shaft 1 2 has a D-cut shaft A lift lever 9 with a lever attached to it is connected in its angular direction (also shown in Fig. 1). As described above, the shaft which is a part of the lift lever 9 is installed such that the cutting surface of the D-cut is located below the shaft 12.
  • the lift lever 9 is connected to a solenoid 8 via a pulley 17 by a wire rope 10.
  • FIG. 4 shows a state before the pressing roller 11 is lifted up, that is, a state in which the medium can be conveyed while nipping the medium between the A drive roller 13 and the pressing roller 11. 8 is turned ON.
  • the operation of each mechanism from ON of the solenoid 18 is also shown in the flow chart of FIG. 7, and will be described in detail below with reference to the operation explanation flow chart of FIG.
  • step 70 1 When the solenoid 18 shown in FIG. 4 is turned ON (step 70 1), the wire rope 10 is pulled in the direction of the arrow 23, and the lift lever 9 operates to rotate in the direction of the arrow 22. Due to the rotation of the lift lever 9, the position of the cut lever (D-cut portion) of the lift lever 9 is similarly changed by turning: fe, and the shaft 12 rides on the corner of the cut surface as shown in FIG. Become like Therefore, the shaft 12 is pushed upward as shown in the figure, and the pressing roller 11 attached to the shaft 12 is pushed up similarly. By this operation, the above-described holding of the medium by the pressing roller 11 and the A drive roller 13 is released, and the medium becomes free.
  • FIG. 3 shows the medium shifting mechanism 34 itself for shifting the medium to the horizontal guide 4.
  • the medium shifting mechanism 34 sends a detection signal to the control unit 27, and the control unit 27 controls the motor 20. Drive (Step 702).
  • the medium is adjusted to a fixed position from the operation of the medium moving mechanism 34 described below.
  • the medium shifting mechanism 34 includes an arm 2 a made of a hard material, for example, a metal, and a soft material that applies a frictional force to the medium to allow the lateral guide 4 to move the medium.
  • Arm 2 composed of a material 2b, a motor 20 for generating a rotational driving force for rotating the rotating arm 2, and a motor 2 connecting the rotating arm 2 and the motor 20.
  • a position sensor 21 for detecting the rotational position E of the rotary arm 2 is provided near the rotary arm 2, and in addition to the above-mentioned horizontal sensor 7 for detecting the horizontal position of the medium, And a pressing guide 6 for holding the medium between the rotating arm 2 and the like.
  • step 70 2 When the motor 20 is driven while the pressing roller 11 is lifted up (step 70 2), this power is transmitted to the rotating arm 2 through the belt 1, and the rotating arm 2 is rotated counterclockwise by an arrow 24. Rotate. Therefore, the tip 2b of the rotating arm 2 interferes with the pressing guide 6, and the pressing fF. Guide 6 moves upward. At this time, if the medium is between the pressing guide 6 and the rotating arm 2, the medium is moved in the direction of arrow 25 by the frictional force generated between the tip 2b of the rotating arm 2 and the body of the medium. It moves along the guide of the upper conveying road surface 5 and the lower conveying road surface 3. Therefore, the medium is moved to the lateral guide 4 and can be arranged at a fixed position. Since the alignment of the medium is performed with the rollers lifted up in this manner, the medium can be reliably aligned with a simple configuration.
  • the medium is moved to the horizontal guide 4, and when the end of the medium covers the horizontal sensor 7, the horizontal sensor 7 detects the medium (step 703).
  • the rotating arm 2 is composed of two protrusions as shown in the figure, and these two protrusions are attached to the center within a radius of 180 degrees. Therefore, when the rotation arm 2 does not rotate, that is, when the print medium passes near the rotation arm 2, the two protrusions of the rotation arm 2 are below the lower conveyance path surface 3 and the protrusion does not protrude into the conveyance path. Since they are locked in the initial state, they will not interfere with the transport to the media.
  • the protrusions also referred to as arm portions
  • the rotating arm 2 can be retracted from the transport path only by controlling the rotation position of the rotating arm 2. And Therefore, the rotating arm 2 is fixed and does not require complicated control such as moving up and down.
  • the arm can be made of a material such as metal to prevent its wear, but may be made of a soft material such as a blade.
  • the pressing guide 6 is fixedly attached to the printing device 40 by a spring 19, so that even when the medium is not conveyed, the tip of the pressing guide 6 is moved from the upper conveying path surface 5 to the conveying path.
  • the pressing guide 6 Projecting against The pressing guide 6 has an R-shaped tip, and the spring 19 does not obstruct the conveyance even when the medium passes through the conveyance path. Conversely, when aligning the medium, the pressing guide 6 uniformly presses the medium from above, so that the rotation arm 2 and the like ensure that even the media having different thicknesses can be reliably adjusted.
  • the medium can be moved to the lateral guide 4.
  • the spring 19 applies a downward force to the pressing guide 6, but if the pressing guide 6 is prevented from coming off from the conveying path surface 5, a weight may be added to the pressing guide 6. However, it is also conceivable to substitute the pushing guide 6 by making itself heavy.
  • the position sensor 21 attached near the rotary arm 2 detects that the projecting portion (arm portion) of the rotary arm 2 passes (step 704).
  • the end of the medium is brought to the horizontal guide 4 by one or a plurality of preset rotations of the rotary arm 2, and the horizontal sensor 7 detects this medium.
  • the rotation arm 2 may be arbitrarily rotated until the ideal force ⁇ lateral sensor 7 detects the force.
  • the setting in advance can be reflected in the simplification of the device, and the setting in the opposite direction has the effect of further ensuring the matching.
  • each of the lateral sensor 7 and the position sensor 21 is a medium and a rotating arm 2 respectively. Is detected, the motor 20 is stopped by the operation of the control unit 27 (step 705). Further, the solenoid 18 described with reference to FIG. 4 is also turned off (step 706). The state of step 706 is a state where the medium is aligned with the lateral guide 4 and the lift-up of the roller is released.
  • the transport unit 31 is driven according to the instruction of the control unit 27 to transport the medium to a predetermined printing position.
  • the print head 14 (also called the print section) moves along the support rails 15, high-quality printing is possible at this print position even on booklet-shaped media such as passbooks.
  • the medium is also aligned with the horizontal guide 4, accurate printing is guaranteed.
  • the transport motor 31 is driven in the direction opposite to that at the time of suction, and transports and discharges the medium in the direction of suction 36 in FIG.
  • FIG. 6 shows a control block diagram of the printing apparatus: 40 in FIG. Figure 1 to Figure
  • the sensors 7, 8, 26, 21 for detecting the medium or the rotating arm 2 are controlled by the exchange of the detection with the control unit 27.
  • the control unit 27 controls the transfer motor 31, the motor 20, and the solenoid 18, and controls the transfer motor drive circuit 28, the motor drive circuit 29, and the solenoid drive IJILI! It instructs to control and convey the medium, align the medium, and enable roller lift-up.
  • a printing apparatus in a printing apparatus, it is possible to print at an accurate printing position by arranging the medium at a fixed position regardless of variations when the medium is set in the sucker, and high printing accuracy is achieved.
  • Printing equipment has the effect of being able to provide c

Landscapes

  • Registering Or Overturning Sheets (AREA)

Abstract

Imprimante dont les rouleaux de transfert pour le maintien d'un support d'impression sont soulevés afin de libérer le support avant l'impression, un bras rotatif étant mis en rotation pour déplacer le support libéré vers un guide latéral, de manière à placer ce support dans une position préétablie. Le support est ensuite maintenu à nouveau entre les rouleaux de transfert, puis transféré vers une partie impression sous la rotation des rouleaux, et il est enfin imprimé, l'ensemble conférant une grande précision à l'opération d'impression.
PCT/JP1996/002677 1996-09-18 1996-09-18 Imprimante et unite d'entrainement de support WO1998012052A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/002677 WO1998012052A1 (fr) 1996-09-18 1996-09-18 Imprimante et unite d'entrainement de support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/002677 WO1998012052A1 (fr) 1996-09-18 1996-09-18 Imprimante et unite d'entrainement de support

Publications (1)

Publication Number Publication Date
WO1998012052A1 true WO1998012052A1 (fr) 1998-03-26

Family

ID=14153834

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1996/002677 WO1998012052A1 (fr) 1996-09-18 1996-09-18 Imprimante et unite d'entrainement de support

Country Status (1)

Country Link
WO (1) WO1998012052A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1234685A2 (fr) 2001-02-22 2002-08-28 Heidelberger Druckmaschinen Aktiengesellschaft Elément et dispositif de reliure pour l'impression digitale
CN109532252A (zh) * 2017-09-22 2019-03-29 东友科技股份有限公司 滚轮式侧向力产生装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61206680A (ja) * 1985-03-11 1986-09-12 Fujitsu Ltd 媒体送り機構
JPH05201078A (ja) * 1992-01-27 1993-08-10 Fujitsu Ltd 記録媒体幅寄せ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61206680A (ja) * 1985-03-11 1986-09-12 Fujitsu Ltd 媒体送り機構
JPH05201078A (ja) * 1992-01-27 1993-08-10 Fujitsu Ltd 記録媒体幅寄せ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1234685A2 (fr) 2001-02-22 2002-08-28 Heidelberger Druckmaschinen Aktiengesellschaft Elément et dispositif de reliure pour l'impression digitale
CN109532252A (zh) * 2017-09-22 2019-03-29 东友科技股份有限公司 滚轮式侧向力产生装置
CN109532252B (zh) * 2017-09-22 2020-07-03 东友科技股份有限公司 滚轮式侧向力产生装置

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