WO1996034751A1 - Rakelvorrichtung für ein spülfarbwerk einer rotationsdruckmaschine - Google Patents
Rakelvorrichtung für ein spülfarbwerk einer rotationsdruckmaschine Download PDFInfo
- Publication number
- WO1996034751A1 WO1996034751A1 PCT/EP1996/001757 EP9601757W WO9634751A1 WO 1996034751 A1 WO1996034751 A1 WO 1996034751A1 EP 9601757 W EP9601757 W EP 9601757W WO 9634751 A1 WO9634751 A1 WO 9634751A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- doctor
- doctor blade
- main chamber
- doctor device
- ink
- Prior art date
Links
- 238000007774 anilox coating Methods 0.000 claims description 13
- 239000003973 paint Substances 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 2
- 210000002105 tongue Anatomy 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000013022 venting Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
- B41F31/027—Ink rail devices for inking ink rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
Definitions
- the invention relates to a doctor blade device for a rinse inking unit of a rotary printing press, comprising a doctor blade carrier formed by a profile strip with a channel-shaped recess, on which two doctor blades can be attached, approximately roof-shaped and parallel to one another, which can be attached to an ink application or anilox roller together with the inking roller, the trough-shaped recess of the doctor blade carrier and the sealing means provided on the end side of the latter, define an ink chamber, from lines for supplying and discharging ink into and out of the ink chamber, and from adjusting devices for pressing on the doctor blade carrier to the inking roller.
- the object of the invention is therefore to provide a doctor device of the type mentioned, in which the end the sealing means provided to the doctor blade carrier ensure good tightness of the ink chamber against emerging ink.
- this object is achieved in a doctor blade device of the generic type in that the channel-shaped recess is provided with a central middle part, which preferably extends to the end regions thereof, forming a main chamber, and end-side side parts forming secondary chambers, which are connected to the main chamber are connected by throttling gaps that the line supplying the paint opens into the main chamber and that the side parts are connected to the lines leading away the paint and are provided with ventilation bores.
- the desired overpressure in the ink can be maintained by introducing the ink into the main chamber of the ink chamber. From the main chamber, the ink enters the unpressurized secondary chambers through the throttling gaps, so that the seals provided on the end of the doctor blade carrier are able to seal the ink chamber well from the side, since the seals are not acted upon by paint under pressure.
- the main chamber and the secondary chambers are expediently separated from one another by radial intermediate walls of the channel-shaped recess, the edges of which are curved in the shape of a circular arc and limit the throttle gaps with the anilox roller.
- the partitions can be formed by rib-like elevations.
- the partition walls can pass into the main chamber through curved wall parts.
- the outer sides of the intermediate walls expediently lie on radial planes.
- at least one side of each of the intermediate walls is provided with a plastic coating which projects beyond the edges of the intermediate walls and thus limits the throttle gap on the doctor blade side.
- the secondary chambers can have an L-shaped cross section in the longitudinal section of the doctor blade carrier.
- a space formed by an L-leg of the side chambers expediently extends below the main chamber.
- doctor blades are subject to unavoidable wear and tear, so that with increasing wear and tear the radial intermediate walls, with their edges curved in the shape of a circular arc and delimiting the throttle gap, approach the anilox roller and the width of the throttle gap undesirably decreases.
- the intermediate walls delimiting the throttle gaps in a radial direction The direction of the inking roller is movably guided in the profiled strip and is essentially immovably connected to the inking unit frame carrying the doctor device via holding devices, so that the width of the throttle gap remains essentially constant when the doctor blade is worn.
- the partition walls delimiting the throttle gaps are kept immovable relative to the inking unit frame, so that they do not take part in the approach of the profile strip to the anilox roller resulting from the wear of the doctor blade. That way
- the essentially impassable connection of the partition walls to the inking unit frame carrying the squeegee device can be accomplished by different means.
- the intermediate walls are connected to the profile strip by resilient tongues or webs, so that they can deflect resiliently towards the rear in accordance with the progressive wear of the doctor blades.
- the partition walls can each be supported by rods on a stop of the inking unit box.
- the rods can be led out of the profile strip through special holes or openings. However, it is expedient to lead the rods out of the profile strip through the ventilation holes, which are present in any case, so that no special openings or openings have to be provided for the rods.
- the stop is expediently adjustable by an adjusting device, so that there is also the possibility of adjusting the width of the throttle gap.
- FIG. 1 is a side view of the inking unit with ink chamber doctor blade cut along the line I-I in FIG. 2,
- SPARE BLADE RULE2 2 shows a section through the doctor blade carrier along the line II-II in FIG. 1,
- FIG. 3 is a view of the ink chamber doctor blade in the direction of arrow A in FIG. 2,
- FIG. 4 shows a side view of the inking unit, corresponding to FIG. 1, with a cut ink chamber doctor blade, in which the intermediate walls delimiting the throttle gaps are held immovable relative to the inking unit unit, and
- FIG. 5 shows a section corresponding to FIG. 2 through the doctor knife carrier along the line V-V in FIG. 4.
- One side of the anilox roller 2 is mounted in the inking unit 1, which is displaceably mounted in the usual way on the printing cylinder block, which is also designed as a slide, in the usual and therefore not described in detail.
- the parallel links 5, 6 are pivotally mounted on the inking unit 1 about the articulation axes 3, 4.
- the upper ends of the parallel link 5, 6 are pivotally connected to the support 9 forming a coupling about the hinge axes 7, 8.
- the carrier 9 is formed in one piece with the doctor carrier 10.
- Doctor blade carrier 10 is connected to doctor blade carrier 11 by screws provided with handwheels 11.
- the piston rod 12 of a pneumatic cylinder 13 is articulated to the support 9 or to the upper ends of the parallel link 6, which in turn is articulated to the inking unit 1 via a support piece 14 through the articulation 15.
- the coupling and the doctor blade carrier 11 remain parallel to themselves, because the parallel links 5, 6 have the same length and maintain their parallelism when they are pivoted.
- the hinge axes 4 of the parallel link 6 are provided with an eccentric adjustment 4 ', on the basis of which the pivot axis of the parallel link 6 can be raised and lowered.
- the parallel links 5, 6 of each of the two anilox stands which support the anilox roller 2 can be designed to increase stability.
- the doctor blade carrier 11 consists of a profile strip, the profile of which can be seen from FIG. 1.
- the bar of the knife holder 1 is provided with a channel 20 forming the interior of the ink chamber. 3, a bore 21 which feeds the printing ink opens into this groove in the lower middle region. In the lower end regions the groove is cut through the bores 22, 23 which discharge the printing ink. Vent bores 24, 25 open into the upper end regions of the channel.
- the end faces 26, 27 of the channel edges are chamfered in opposite directions.
- the doctor blades 30, 31 are fastened on these end faces 26, 27 by clamping brackets 28, 29 in the usual and therefore not described in detail.
- Seals 33, 34 are arranged on the sides of the doctor blade carrier 11 and seal the interior of the ink chamber 20 from the raster roller 2. To hold these seals are
- ERS ⁇ ZBL ⁇ T (RULE 26) screwed to the lateral end faces of the bar of the doctor blade carrier cover 35, 36.
- the interior of the ink chamber is provided on its sides with chambers 38, 39 which are approximately L-shaped in cross section. These chambers are divided from the central part of the interior of the ink chamber by intermediate walls 40, 41, the edges 42, 43 of which are curved in a circular manner and border against the anilox roller 2. Starting from the edges 42, 43, curved wall parts 44, 45 merge into the central main part of the interior of the ink chamber.
- the lateral chambers 38, 39 are connected to the central part of the interior of the ink chamber by the restricting gaps 42, 43.
- the wall parts 40, 41 thus form, as it were, weirs through which the paint introduced into the central part of the interior of the ink chamber through the supply bore 21 enters the unpressurized side chambers 38, 39 while reducing the pressure.
- the ventilation bores 24, 25 open into them.
- the outer sides of the walls 40, 41 are provided with coverings 48, 49 made of plastic, which slightly protrude beyond the edges delimiting the gaps 42, 43, so that metallic contact of the edges with the anilox roller 2 is excluded.
- the intermediate walls 50, 51 are screwed by resilient webs 52, 53 to the bottom 54 of the main chamber, which is raised above the side secondary chambers 38, 39, the screw connections being indicated by dash-dotted lines 55 are.
- the resilient webs 52 are fitted into corresponding stepped cutouts in the bottom 54. Furthermore, are screwed between the End regions of the resilient webs 52, 53 and the bottom step-like recesses 56 are provided in order to allow the intermediate walls 50, 51 to spring back sufficiently far.
- Blind holes 57 are arranged in the rear walls of the floor delimiting the step-shaped recesses 56, compression springs 58 being clamped between the bases of these blind holes and the rear sides of the resilient webs 52, 53.
- Retaining pieces 60 are screwed to the end faces of the intermediate walls 50, 51 which delimit the secondary chambers and in which, in the manner shown in FIG. 4, one end of essentially rigid rods 61, the other ends of which are attached to one, are fastened Support set screw 62, which is screwed into a bracket 63 rigidly connected to the inking unit bracket.
- Support set screw 62 which is screwed into a bracket 63 rigidly connected to the inking unit bracket.
- the rods 61 which fix the partition walls 50, 51 relative to the inking unit frame 1 penetrate the ventilation bores 24, 25 which are present anyway.
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Coloring (AREA)
- Paper (AREA)
- Screen Printers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/945,748 US5927199A (en) | 1995-05-03 | 1996-04-26 | Doctor blade arrangement for a rinse inking unit of a rotary printing machine |
EP96914136A EP0822897B1 (de) | 1995-05-03 | 1996-04-26 | Rakelvorrichtung für ein spülfarbwerk einer rotationsdruckmaschine |
BR9608122A BR9608122A (pt) | 1995-05-03 | 1996-04-26 | Dispositivo de lâmina doutora para uma unidade de lavagem de tinta de uma máquina impressora rotativa |
JP8532984A JPH11511705A (ja) | 1995-05-03 | 1996-04-26 | 輪転印刷機のリンスインキ付けユニットのドクターブレード装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19516223A DE19516223C2 (de) | 1995-05-03 | 1995-05-03 | Rakelvorrichtung für ein Spülfarbwerk einer Rotationsdruckmaschine |
DE19516223.4 | 1995-05-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996034751A1 true WO1996034751A1 (de) | 1996-11-07 |
Family
ID=7760969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1996/001757 WO1996034751A1 (de) | 1995-05-03 | 1996-04-26 | Rakelvorrichtung für ein spülfarbwerk einer rotationsdruckmaschine |
Country Status (12)
Country | Link |
---|---|
US (1) | US5927199A (de) |
EP (1) | EP0822897B1 (de) |
JP (1) | JPH11511705A (de) |
KR (1) | KR19990008179A (de) |
CN (1) | CN1077505C (de) |
BR (1) | BR9608122A (de) |
CZ (1) | CZ343797A3 (de) |
DE (1) | DE19516223C2 (de) |
ES (1) | ES2138816T3 (de) |
IN (1) | IN187543B (de) |
TW (1) | TW299285B (de) |
WO (1) | WO1996034751A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6832551B2 (en) | 2001-10-16 | 2004-12-21 | Windmoeller & Hoelscher Kg | End sealing of the doctor blade chamber |
WO2008059079A1 (es) | 2006-11-16 | 2008-05-22 | Comexi, Sa | Dispositivo de rasqueta para grupo entintador en una impresora flexográfica |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19548535C2 (de) * | 1995-12-22 | 1999-12-30 | Windmoeller & Hoelscher | Verfahren und Vorrichtung zur Reinigung einer Rakelvorrichtung für ein Spülfarbwerk einer Rotationsdruckmaschine |
DE19611048A1 (de) * | 1996-03-20 | 1997-09-25 | Windmoeller & Hoelscher | Druckmaschine, vorzugsweise Flexodruckmaschine |
DE19652289A1 (de) * | 1996-12-16 | 1998-06-18 | Voith Sulzer Papiermasch Gmbh | Vorrichtung zum direkten oder indirekten Auftragen eines flüssigen oder pastösen Mediums auf eine laufende Materialbahn, insbesondere aus Papier oder Karton |
DE19652857A1 (de) * | 1996-12-18 | 1998-06-25 | Voith Sulzer Papiermasch Gmbh | Vorrichtung zum Verbinden von mindestens einer Stelleinrichtung mit mindestens einer langgestreckten, translatorisch und/oder rotatorisch verstellbaren Funktionseinheit einer Streichanlage |
DE19847108C2 (de) | 1998-10-13 | 2002-10-24 | Windmoeller & Hoelscher | Rasterwalze |
DE19848773C2 (de) * | 1998-10-22 | 2002-11-28 | Windmoeller & Hoelscher | Vorrichtung zum Anstellen und Entfernen einer Farbkammerrakel an die Rasterwalze einer Druckmaschine |
EP1103377B1 (de) * | 1999-11-29 | 2005-02-09 | Goss International Montataire S.A. | Einrichtung zur Abdichtung einer Farbversorgung an Druckmaschinen |
US7178461B2 (en) * | 2002-12-09 | 2007-02-20 | Color Control Corp. | Ink fountain assembly with non-tilt cheeks and liner replacement mechanism |
US20040143231A1 (en) * | 2003-01-21 | 2004-07-22 | The Procter & Gamble Company | Absorbent product containing absorbent articles each having different graphic |
ES2216725B1 (es) * | 2004-04-20 | 2006-01-16 | Comexi, Sa | Dispositivo de rasqueta para un grupo entintador de una impresora flexografica. |
DE102007027385B4 (de) | 2007-06-11 | 2011-06-16 | Windmöller & Hölscher Kg | Farbkammer für ein Farbwerk einer Rotationsdruckmaschine und Verfahren zur Herstellung einer solchen Farbkammer |
DE102008012552A1 (de) | 2008-03-04 | 2009-09-17 | Windmöller & Hölscher Kg | Farbkammerrakel an einer Druckmaschine |
DE102008042460A1 (de) | 2008-09-29 | 2010-04-08 | Windmöller & Hölscher Kg | Vorrichtung und Verfahren zur Versorgung eines Farb- oder Druckwerks einer Druckmaschine mit Druckfarbe oder einer anderen Flüssigkeit |
US20100089264A1 (en) * | 2008-10-10 | 2010-04-15 | Alrick Vincent Warner | Absorbent Articles Having Distinct Graphics And Apparatus And Method For Printing Such Absorbent Articles |
US8776683B2 (en) | 2009-06-02 | 2014-07-15 | The Procter & Gamble Company | Process for manufacturing absorbent products having customized graphics |
CN103635322B (zh) * | 2011-11-03 | 2017-01-11 | 利乐拉瓦尔集团及财务有限公司 | 用于包装材料卷材的柔版印刷的装置 |
CN103213389B (zh) * | 2013-04-20 | 2015-03-25 | 浙江超伟机械有限公司 | 一种印刷机的印染机构 |
CN108290409B (zh) * | 2015-10-27 | 2020-06-26 | 马卡尔博克斯有限责任公司 | 用于将流体施加至辊的装置 |
ES2986043T3 (es) | 2015-12-22 | 2024-11-08 | Tetra Laval Holdings & Finance | Un aparato para impresión flexográfica y un módulo de entrada |
CN107984881A (zh) * | 2016-10-27 | 2018-05-04 | 天津联森包装制品有限公司 | 一种纸杯柔性印刷用双刮刀调节机构 |
CN115352189B (zh) * | 2022-09-14 | 2023-06-16 | 武汉信息传播职业技术学院 | 一种用于印刷机的双刮刀循环供墨装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4581995A (en) * | 1985-06-07 | 1986-04-15 | Motter Printing Press Co. | Ink sealing assembly |
WO1989007047A1 (en) * | 1988-02-01 | 1989-08-10 | Tresu A/S | Doctor blade chamber device |
WO1993024328A1 (en) * | 1992-05-22 | 1993-12-09 | Boeoese Aake | Chambered doctor blade device for printing unit, and printing unit |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3911839A1 (de) * | 1989-04-11 | 1990-10-18 | Koenig & Bauer Ag | Spuelfarbwerk |
DE4001734A1 (de) * | 1990-01-22 | 1991-07-25 | Windmoeller & Hoelscher | Rakelvorrichtung fuer ein spuelfarbwerk einer rotationsdruckmaschine |
DE4001733A1 (de) * | 1990-01-22 | 1991-07-25 | Windmoeller & Hoelscher | Rakelvorrichtung fuer ein spuelfarbwerk einer rotationsdruckmaschine |
US5406887A (en) * | 1993-01-15 | 1995-04-18 | Paper Converting Machine Company | Apparatus and method for doctor blade replacement in a flexographic press |
-
1995
- 1995-05-03 DE DE19516223A patent/DE19516223C2/de not_active Expired - Fee Related
-
1996
- 1996-04-26 WO PCT/EP1996/001757 patent/WO1996034751A1/de not_active Application Discontinuation
- 1996-04-26 CZ CZ973437A patent/CZ343797A3/cs unknown
- 1996-04-26 CN CN96194901A patent/CN1077505C/zh not_active Expired - Fee Related
- 1996-04-26 KR KR1019970707704A patent/KR19990008179A/ko not_active Ceased
- 1996-04-26 US US08/945,748 patent/US5927199A/en not_active Expired - Lifetime
- 1996-04-26 BR BR9608122A patent/BR9608122A/pt not_active IP Right Cessation
- 1996-04-26 JP JP8532984A patent/JPH11511705A/ja active Pending
- 1996-04-26 EP EP96914136A patent/EP0822897B1/de not_active Expired - Lifetime
- 1996-04-26 ES ES96914136T patent/ES2138816T3/es not_active Expired - Lifetime
- 1996-05-01 IN IN799CA1996 patent/IN187543B/en unknown
- 1996-05-07 TW TW085105477A patent/TW299285B/zh active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4581995A (en) * | 1985-06-07 | 1986-04-15 | Motter Printing Press Co. | Ink sealing assembly |
WO1989007047A1 (en) * | 1988-02-01 | 1989-08-10 | Tresu A/S | Doctor blade chamber device |
WO1993024328A1 (en) * | 1992-05-22 | 1993-12-09 | Boeoese Aake | Chambered doctor blade device for printing unit, and printing unit |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6832551B2 (en) | 2001-10-16 | 2004-12-21 | Windmoeller & Hoelscher Kg | End sealing of the doctor blade chamber |
WO2008059079A1 (es) | 2006-11-16 | 2008-05-22 | Comexi, Sa | Dispositivo de rasqueta para grupo entintador en una impresora flexográfica |
EP2082877A4 (de) * | 2006-11-16 | 2011-09-21 | Comexi Group Ind S A | Rakelvorrichtung für ein farbwerk in einer flexodruckmaschine |
Also Published As
Publication number | Publication date |
---|---|
EP0822897A1 (de) | 1998-02-11 |
DE19516223A1 (de) | 1996-11-21 |
IN187543B (de) | 2002-05-18 |
CN1188448A (zh) | 1998-07-22 |
US5927199A (en) | 1999-07-27 |
CZ343797A3 (cs) | 1998-04-15 |
TW299285B (de) | 1997-03-01 |
JPH11511705A (ja) | 1999-10-12 |
EP0822897B1 (de) | 1999-08-25 |
BR9608122A (pt) | 1999-02-09 |
KR19990008179A (ko) | 1999-01-25 |
ES2138816T3 (es) | 2000-01-16 |
CN1077505C (zh) | 2002-01-09 |
DE19516223C2 (de) | 1997-03-20 |
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