EP0655328A1 - Dispositif d'encrage pour l'impression en creux - Google Patents

Dispositif d'encrage pour l'impression en creux Download PDF

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Publication number
EP0655328A1
EP0655328A1 EP94117997A EP94117997A EP0655328A1 EP 0655328 A1 EP0655328 A1 EP 0655328A1 EP 94117997 A EP94117997 A EP 94117997A EP 94117997 A EP94117997 A EP 94117997A EP 0655328 A1 EP0655328 A1 EP 0655328A1
Authority
EP
European Patent Office
Prior art keywords
forme cylinder
ink
length
ink tray
inking unit
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP94117997A
Other languages
German (de)
English (en)
Other versions
EP0655328B1 (fr
Inventor
Rudolf Herb
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Albert Frankenthal AG
Koenig and Bauer Albert AG
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 Albert Frankenthal AG, Koenig and Bauer Albert AG filed Critical Albert Frankenthal AG
Publication of EP0655328A1 publication Critical patent/EP0655328A1/fr
Application granted granted Critical
Publication of EP0655328B1 publication Critical patent/EP0655328B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/061—Inking devices
    • B41F9/063—Using inking rollers

Definitions

  • the invention relates to an inking unit for a rotogravure printing press according to the preamble of patent claim 1.
  • the end faces of the forme cylinder can be contaminated with printing ink.
  • the invention has for its object to provide an intaglio inking unit with which it can be largely prevented that ink can get to the end faces of the intaglio printing cylinder.
  • a inking roller 3 and a forme cylinder 4 are immersed in an ink fountain 2 filled to the brim with gravure ink 1.
  • the ink pan designated overall by 2 has a clear length l.
  • the forme cylinder 4 has a bale length m, which on both sides projects beyond the inside length l of the ink tray 2 (inking length of the forme cylinder 4) by an amount or a protrusion x or y.
  • the value x can be equal to y. However, it is also possible that x is greater than y or y is greater than x.
  • the bale length m of the forme cylinder 4 is thus composed of the clear lengths l of the ink tray 2 plus two overhangs x.
  • the amount of a protrusion x or y also includes the material thickness of one end face 8, 9 of the ink tray 2.
  • end faces 6, 7 of the forme cylinder 4 are located outside the ink tray 2 and are not connected to the gravure printing ink 1.
  • Front faces 8, 9 the ink tray 2 therefore have on the side facing the forme cylinder 4 a recess with a radius r which is a few millimeters larger than the radius s of the forme cylinder 4, so that a gap 11 is formed between the radii r, s.
  • the cutout of each end face 8, 9 corresponds to a gap 11 adapted to the radius s of the forme cylinder 4.
  • the inking roller 3, the z. B. does not have its own drive, depending on the diameter of the forme cylinder 4, z. B. with 5/6 of their diameter or up to their entire diameter in gravure ink 1.
  • the inking roller 3 is covered on its outer surface with a textile cover and is laterally spaced, for. 1 to the left of a vertical plane through a rotation axis 12 of the forme cylinder 4 at the bottom in frictional contact with the jacket of the forme cylinder 4.
  • the distance b is about one to two times the diameter of the inking roller 3.
  • the forme cylinder 4th is on its journals 13, 14 in side frames 16, 17 (clockwise according to Fig. 1) rotatably mounted.
  • the inking roller 3 is rotatably supported by a lever system (not shown) that is fixed to the ink tray (see DE 40 30 377 A1).
  • a bottom plate 17 of the paint pan 2 is connected in a positive manner in the middle to one end of a toothed rack 19.
  • the rack 19 is displaceable in a guide which is fixed to the frame, not shown, but is not rotatably mounted.
  • a pinion 21 is in engagement with the toothing of the rack 19 and is connected via a shaft 22 to a reduction gear with a stepping motor 23 and a counter 24.
  • the counter 24 serves as an indication of the current height setting of the ink tray 2 and is to be used as a measure of the immersion depth of the forme cylinder 4 or for adapting the height of the ink tray 2 to another diameter of a further forme cylinder 4.
  • a rack 19 it can also be used two racks arranged in parallel at a distance from one another can be provided with a common drive.
  • a trough 26 fixed to the frame is provided beneath the ink tray 2, which collects the gravure ink 1 emerging from the columns 11 as well as the gravure ink 1 doctored off by a doctor device designated as a whole by 27, and this via a printing ink recirculation device (not shown) with the addition of new gravure ink 1 Ink tray 2 feeds.
  • the doctor device 27 is fixed on the side frame on an axis 28 to the forme cylinder 4 against an adjustable in the horizontal plane perpendicular to the axis of rotation 12 of the forme cylinder 4 stop 30 arranged and pivoted and carries on its pivotable head a not shown clamping device for a doctor blade 29.
  • the doctor device 27 is below the Doctor blade 29 in the vicinity of the end faces 6, 7 provided with squeegee fixed or side frame fixed nozzles 31, 32, which solvent for gravure ink 1, z. B. finely divided toluene spray as a spray 33, 34 in the areas of the projections x, y of the forme cylinder 4, which protrude beyond the ink tray 2 on both sides. This prevents the respective overhangs x, y of the forme cylinder 4 from running dry.
  • the nozzles 31, 32 each have a feed 35 for toluene or compressed air.
  • the doctor device 27 can advantageously also work in an oscillating manner, which results in an even more uniform color distribution on the lateral surface of the forme cylinder 4.
  • a rotatable impression 36 Arranged above the forme cylinder 4 is a rotatable impression 36, which presses on the forme cylinder 4 and is mounted on both sides via its axle journals 37, 38 in rockers 39, 41 and is connected to a side frame-fixed and height-adjustable carriage (not shown) in a force-locking and positive-locking manner.
  • a paper web is printed between impression roller 36 and forme cylinder 4.
  • the bale length m of the forme cylinder 4 can, for. B. are between two and three meters.
  • the supernatant x, y can e.g. B. are each 50 mm.
  • the gap 11 can, for. B. be up to ten millimeters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP94117997A 1993-11-25 1994-11-15 Dispositif d'encrage pour l'impression en creux Expired - Lifetime EP0655328B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4340128A DE4340128C2 (de) 1993-11-25 1993-11-25 Tiefdruckfarbwerk
DE4340128 1993-11-25

Publications (2)

Publication Number Publication Date
EP0655328A1 true EP0655328A1 (fr) 1995-05-31
EP0655328B1 EP0655328B1 (fr) 1998-09-16

Family

ID=6503384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117997A Expired - Lifetime EP0655328B1 (fr) 1993-11-25 1994-11-15 Dispositif d'encrage pour l'impression en creux

Country Status (4)

Country Link
US (1) US5497700A (fr)
EP (1) EP0655328B1 (fr)
JP (1) JP2634148B2 (fr)
DE (2) DE4340128C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1151862A2 (fr) * 2000-05-03 2001-11-07 WindmÀ¶ller & Hölscher Groupe d'impression d'une machine d'impression rotative pour imprimer des bandes, de préférence une machine d'impression rotative en creux à bobines
US6619205B2 (en) 2000-01-18 2003-09-16 Koenig & Bauer Aktiengesellschaft Inking device
CN107685529A (zh) * 2017-08-29 2018-02-13 南京索特包装制品有限公司 一种用于凹版印刷机的挡墨片
WO2019238199A1 (fr) * 2018-06-12 2019-12-19 Bobst Italia S.P.A. Système d'encrage pour une presse à rotogravure présentant des configurations optimales pour plusieurs types d'encre

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19637046C1 (de) * 1996-09-12 1997-05-28 Koenig & Bauer Albert Ag Farbwerk für eine Rotationsdruckmaschine
US6209454B1 (en) 1997-05-05 2001-04-03 Koenig & Bauer Aktiengesellschaft Multicolor rotogravure rotary press with first and second side printing towers
JP2001030611A (ja) * 1999-07-27 2001-02-06 Nihon Tokkyo Kanri Co Ltd 水性グラビアインキを用いて行うグラビア印刷方法及びこの印刷方法の実施に用いられる版胴並びにこの印刷方法により印刷された印刷物
DE10203695B4 (de) * 2001-02-12 2014-11-06 Heidelberger Druckmaschinen Ag Farbwerk für eine Druckmaschine
DE10115857A1 (de) * 2001-03-30 2002-10-10 Tampoprint Gmbh Rotationstampondruckmaschine
ITMI20031539A1 (it) * 2003-07-25 2003-10-24 Percivalle Special Converting S A S Di Percivall Unita' di inchiostrazione e raclatura per un gruppo di stampa e spalmatura rotocalcografica.
DE10341709B4 (de) * 2003-10-08 2007-09-20 Koenig & Bauer Aktiengesellschaft Druckwerk
DE102005003206A1 (de) * 2005-01-24 2006-07-27 Gallus Ferd. Rüesch AG Tiefdruckwerk zum Bedrucken einer Bedruckstoffbahn in einer Druckmaschine
US8449070B2 (en) * 2007-12-18 2013-05-28 Hewlett-Packard Development Company, L.P. Managing fluid waste solids
KR102174329B1 (ko) * 2018-12-21 2020-11-04 주식회사 정명하이텍 그라비어 인쇄 시스템

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030377A1 (de) * 1990-09-26 1992-04-16 Frankenthal Ag Albert Farbwerk fuer eine tiefdruckmaschine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB532460A (en) * 1939-07-22 1941-01-24 Anders A Pindstofte S Maskinfa Improvements in or relating to ink-feeding roller devices for printing machines
US2404689A (en) * 1945-01-16 1946-07-23 Aspinook Corp Doctor blade
FI61147C (fi) * 1979-07-05 1982-06-10 Waertsilae Oy Ab Anordning vid djuptrycksmaskin
DE3151005C2 (de) * 1981-12-23 1986-03-13 Friedrich 4000 Düsseldorf Körner Tiefdruckmaschine
US4426412A (en) * 1982-09-13 1984-01-17 Consolidated Papers, Inc. Edge dam for paper coating apparatus and method
US5012736A (en) * 1987-09-21 1991-05-07 Paper Converting Machine Company Sealing assembly for liquid fountain
DE3800412A1 (de) * 1988-01-09 1989-07-20 Frankenthal Ag Albert Farbwerk
AU632956B2 (en) * 1990-08-31 1993-01-14 Goss Graphic Systems, Inc. Keyless printing system for keyless lithographic printing

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4030377A1 (de) * 1990-09-26 1992-04-16 Frankenthal Ag Albert Farbwerk fuer eine tiefdruckmaschine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6619205B2 (en) 2000-01-18 2003-09-16 Koenig & Bauer Aktiengesellschaft Inking device
EP1151862A2 (fr) * 2000-05-03 2001-11-07 WindmÀ¶ller & Hölscher Groupe d'impression d'une machine d'impression rotative pour imprimer des bandes, de préférence une machine d'impression rotative en creux à bobines
EP1151862A3 (fr) * 2000-05-03 2003-09-03 WindmÀ¶ller & Hölscher Groupe d'impression d'une machine d'impression rotative pour imprimer des bandes, de préférence une machine d'impression rotative en creux à bobines
CN107685529A (zh) * 2017-08-29 2018-02-13 南京索特包装制品有限公司 一种用于凹版印刷机的挡墨片
WO2019238199A1 (fr) * 2018-06-12 2019-12-19 Bobst Italia S.P.A. Système d'encrage pour une presse à rotogravure présentant des configurations optimales pour plusieurs types d'encre
CN112423987A (zh) * 2018-06-12 2021-02-26 鲍勃斯脱意大利有限公司 具有用于多种墨水的最佳配置的轮转凹版印刷机的着墨系统
CN112423987B (zh) * 2018-06-12 2022-08-16 鲍勃斯脱意大利有限公司 具有用于多种墨水的最佳配置的轮转凹版印刷机的着墨系统

Also Published As

Publication number Publication date
EP0655328B1 (fr) 1998-09-16
DE59406927D1 (de) 1998-10-22
JP2634148B2 (ja) 1997-07-23
JPH07195677A (ja) 1995-08-01
DE4340128C2 (de) 1996-07-25
DE4340128A1 (de) 1995-06-01
US5497700A (en) 1996-03-12

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