EP0428889A2 - Dispositif d'encrage court avec un rouleau tramé - Google Patents

Dispositif d'encrage court avec un rouleau tramé Download PDF

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Publication number
EP0428889A2
EP0428889A2 EP90120368A EP90120368A EP0428889A2 EP 0428889 A2 EP0428889 A2 EP 0428889A2 EP 90120368 A EP90120368 A EP 90120368A EP 90120368 A EP90120368 A EP 90120368A EP 0428889 A2 EP0428889 A2 EP 0428889A2
Authority
EP
European Patent Office
Prior art keywords
ink
inking unit
roller
anilox roller
der
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
EP90120368A
Other languages
German (de)
English (en)
Other versions
EP0428889A3 (en
EP0428889B1 (fr
Inventor
Thomas John
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.)
Manroland AG
Original Assignee
MAN Roland Druckmaschinen 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 MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0428889A2 publication Critical patent/EP0428889A2/fr
Publication of EP0428889A3 publication Critical patent/EP0428889A3/de
Application granted granted Critical
Publication of EP0428889B1 publication Critical patent/EP0428889B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F31/00Inking arrangements or devices
    • B41F31/15Devices for moving vibrator-rollers

Definitions

  • the present invention relates to a short inking unit for a rotary printing press with an anilox roller, an inking roller and a chamber doctor blade interacting with the anilox roller.
  • Such a short inking unit is known from DE-PS 31 17 341. It consists of an immersion roller immersed in an ink fountain, an application roller inking the printing form and an anilox roller which transfers the ink from the immersion roller to the application roller.
  • the doctor blade of a stripping device lies against the anilox roller.
  • the stripping device can optionally also be designed to oscillate in the axial direction for the purpose of suppressing doctor strips.
  • the known inking unit thus fulfills the function of producing a thin ink film, which is unique to each inking unit of rotary printing presses.
  • ink passes between the anilox roller and doctor blade, which leads to an ink build-up on the back of the doctor blade.
  • the amount of this color build-up depends on the rheology of the color.
  • the known inking unit disadvantageously has no device for preventing ink build-up.
  • a film inking unit which has an ink fountain with an ink knife.
  • a thin film strip is attached to the underside of the ink knife, which should prevent the ink from settling and dripping off and to feed the small amount of ink running off the ink knife back onto the ink film on the ink fountain roller.
  • this arrangement is limited to inking units with a rotating ink knife.
  • the object of the invention is a short inking unit with anilox roller to be specified, in which no paint builds up on the back of the doctor device even when the doctor knife runs in opposite directions.
  • This task is solved by a short inking unit with anilox roller, in which the anilox roller is displaceable in the axial direction.
  • Fig. 1 shows a schematic representation of a short inking unit with an anilox roller.
  • This short inking unit has an anilox roller 1, an inking roller 2, an ink trough 3, a chamber doctor 4 interacting with the anilox roller 1 with an opposing doctor blade 5 and a central drive 6 for the ink pump 7, which pumps the ink from the ink trough 3 to the chamber doctor 4 .
  • Fig. 2 shows a simplified partial sectional view of the storage and the drive of the oscillating anilox roller of an inking unit according to the invention.
  • the anilox roller 1 is connected via a half-shell coupling 8 or 9 to a drive shaft 10 and a stub shaft 13.
  • the drive shaft 10 is rotatably supported in a shaft bearing 11 in one side wall 12 of the inking unit, and the shaft end 13 is rotatably mounted in a shaft bearing 14 in the other side wall 15 of the inking unit.
  • the drive shaft 10 extends through the bearing 11 and carries, on the side of the bearing 11 facing away from the half-shell coupling 8, a coaxially and firmly attached drive wheel 16 for the anilox roller 1 and also a traversing device 17 which is also arranged coaxially.
  • the traversing device 17 essentially has a housing 18 and a wheel 19 rotatably mounted in the interior of the housing 18.
  • the wheel 19 runs in a groove 20 formed in the drive shaft 10.
  • the groove 20 is formed on the surface of the drive shaft 10 in such a way that it is essentially designed such that it runs essentially in a plane which is not perpendicular to the axis of the drive shaft 10 .
  • the present invention has the further advantage of an easily executable structure.
  • an ink supply device which has a plurality of chamber doctor blades arranged and arranged side by side
  • letting the doctor blade blades traverse requires a very high technical outlay, in particular also because at least the chamber doctor blade has to be moved.
  • the traversing of the anilox roller, which is mounted so that it can be moved back and forth in the axial direction in fixed bearings is technically simple. 1 would not only have to move the chamber doctor, but also the ink pan with the pump and the central drive.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP90120368A 1989-11-18 1990-10-24 Dispositif d'encrage court avec un rouleau tramé Expired - Lifetime EP0428889B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8913655U 1989-11-18
DE8913655U DE8913655U1 (de) 1989-11-18 1989-11-18 Kurzfarbwerk mit einer Rasterwalze

Publications (3)

Publication Number Publication Date
EP0428889A2 true EP0428889A2 (fr) 1991-05-29
EP0428889A3 EP0428889A3 (en) 1991-08-28
EP0428889B1 EP0428889B1 (fr) 1994-08-17

Family

ID=6844717

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120368A Expired - Lifetime EP0428889B1 (fr) 1989-11-18 1990-10-24 Dispositif d'encrage court avec un rouleau tramé

Country Status (3)

Country Link
EP (1) EP0428889B1 (fr)
JP (1) JPH03169632A (fr)
DE (2) DE8913655U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002729A3 (fr) * 1998-07-03 2000-05-04 Koenig & Bauer Ag Mecanisme d'encreur court pour machines d'imprimerie rotatives

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4896461B2 (ja) * 2004-08-04 2012-03-14 ハイデルベルガー ドルツクマシーネン アクチエンゲゼルシヤフト 印刷機
DE102005031569B4 (de) * 2004-08-04 2016-07-28 Heidelberger Druckmaschinen Ag Druckmaschine
DE102005061915A1 (de) * 2005-12-23 2007-07-05 Koenig & Bauer Aktiengesellschaft Verfahren zum Betreiben eines Kurzfarbwerkes und Einrichtung zu diesem Zweck
DE102006004568A1 (de) * 2006-02-01 2007-08-02 Koenig & Bauer Aktiengesellschaft Kurzfarbwerk für eine Druckmaschine
DE102008015531A1 (de) 2008-03-25 2009-10-01 Koenig & Bauer Aktiengesellschaft Kurzfarbwerk für eine Rotationsdruckmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE312050C (fr) *
DE3442662A1 (de) * 1984-11-23 1986-06-05 Albert-Frankenthal Ag, 6710 Frankenthal Farbwerk
DE3638826A1 (de) * 1986-11-13 1988-05-26 Roland Man Druckmasch Lagerung fuer changierende auftragwalzen von druckmaschinen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000002729A3 (fr) * 1998-07-03 2000-05-04 Koenig & Bauer Ag Mecanisme d'encreur court pour machines d'imprimerie rotatives

Also Published As

Publication number Publication date
EP0428889A3 (en) 1991-08-28
EP0428889B1 (fr) 1994-08-17
JPH03169632A (ja) 1991-07-23
DE8913655U1 (de) 1989-12-28
DE59006832D1 (de) 1994-09-22

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