EP0737576A1 - Dispositif de rajustage pour rouleaux d'encrage et de mouillage - Google Patents

Dispositif de rajustage pour rouleaux d'encrage et de mouillage Download PDF

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Publication number
EP0737576A1
EP0737576A1 EP96105298A EP96105298A EP0737576A1 EP 0737576 A1 EP0737576 A1 EP 0737576A1 EP 96105298 A EP96105298 A EP 96105298A EP 96105298 A EP96105298 A EP 96105298A EP 0737576 A1 EP0737576 A1 EP 0737576A1
Authority
EP
European Patent Office
Prior art keywords
forme cylinder
adjusting
rollers
adjustment device
eccentric
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
EP96105298A
Other languages
German (de)
English (en)
Other versions
EP0737576B1 (fr
Inventor
Stephan Patzelt
Bernd Hennig
Steffen Klaus
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 EP0737576A1 publication Critical patent/EP0737576A1/fr
Application granted granted Critical
Publication of EP0737576B1 publication Critical patent/EP0737576B1/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
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/40—Devices for tripping or lifting damping rollers; Supporting, adjusting, or removing arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/30—Arrangements for tripping, lifting, adjusting, or removing inking rollers; Supports, bearings, or forks therefor
    • B41F31/301—Devices for tripping and adjusting form rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F7/00—Rotary lithographic machines
    • B41F7/20—Details
    • B41F7/24—Damping devices
    • B41F7/36—Inking-rollers serving also to apply ink repellants

Definitions

  • the invention relates to an adjustment device for inking and dampening roller application according to the preamble of claim 1.
  • an adjusting ring with its outer diameter is the same as the diameter of the printing plate-equipped forme cylinder, on which all application rollers are supported by their brackets and are adjusted together with the forme cylinder.
  • the invention has for its object to provide an adjustment device for ink and dampening roller according to the preamble of claim 1, which ensures good accessibility, in particular to the forme cylinder through a favorable spatial arrangement of the adjustment mechanisms and with little effort, in particular, the contact adjustability of the applicator rollers compared to the forme cylinder realized.
  • a spatially advantageous adjustment of the applicator roller for the dampening solution is achieved via a positioning eccentric which is arranged separately from the forme cylinder and acts on a compact holder for all dampening unit rollers.
  • the adjusting screws arranged perpendicular to the axis of the application rollers and the adjusting ring enable a distortion-free, direct transmission of the adjustment movement of the forme cylinder via the adjusting ring to the associated application rollers in a simple, space-saving manner.
  • the invention is explained in more detail below using an exemplary embodiment.
  • the accompanying drawing shows a schematic representation of an adjustment device according to the invention for the application rollers of an inking and dampening unit in connection with a diagonal register adjustment of a forme cylinder.
  • a forme cylinder 2 of an offset printing unit working together with a transfer cylinder 1 is additionally supported with its pin 3 on one side in an eccentric bearing bush 4 which serves to adjust the diagonal register, and this in an eccentric bushing 5 which is arranged on both sides of the forme cylinder 2 and serves to position the forme cylinder 2 relative to the transfer cylinder 1, which is rotatably arranged in a wall bore 6.
  • the application rollers 7; 8th; 9 each support one in a threaded bore of its holder 13; 14; 15 guided, perpendicular to their axis adjusting screw 16; 17; 18 vertically on an adjusting ring 19 with the outer diameter of the printing plate-equipped forme cylinder 2, which is firmly connected to the eccentric bearing bush 4, from the forme cylinder 2 in a contact-adjustable manner.
  • the set screw can also on the fixed axis of the applicator roller 7; 8th; 9 can be used, for example, by means of a clamp connection which can be rotatably fixed circular eccentrics. In this case too, a largely distortion-free, direct transmission of the adjustment movement of the forme cylinder 2 via the adjusting ring 19 to the respective application rollers 7; 8th; 9 possible.
  • the brackets 13; 14 of the application rollers 7; 8 are each arranged separately pivotable about a friction roller 20 mounted in the frame and the application roller 9 about a second friction roller 21.
  • the eccentric bearing bush 4 is coupled via a rotary and sliding joint 22 to a threaded sleeve 23 which is arranged displaceably in the frame and into which a threaded spindle 24 rotatably mounted in the frame engages.
  • a worm wheel 25 of a worm gear 26 On the threaded spindle 24, a worm wheel 25 of a worm gear 26, the worm 27 of which is actuated by a motor 28 depending on the required register correction, and a toothed pulley 29 are fastened, which are connected via a toothed belt or a chain 30 to a shaft rotatably mounted on the gesture a worm 31 fixed toothed disk 32 is connected.
  • a setting eccentric 35 is connected to the worm wheel 33 of this worm drive 34, on which an adjusting screw 37, which is guided in a threaded bore and serves to support the application roller 11 and the other associated rollers of the dampening unit 12 and is pivotally mounted in the gesture, is supported.
  • the application rollers 7; 8th; 9; 11 are each supported by a bracket 13; 14; 15; 36 articulated, pressure medium-operated working cylinders 38 to 41 are loaded relative to the forme cylinder 2 and, when the pressure medium is opposed by the latter, against a stop of the working cylinder 38 to 41 or one separately in the pivoting range of the holder 13; 14; 15; 36 arranged stop and turned off by a the bracket engaging spring 42 to 45 relieved.
  • the eccentric bushing 4 of the forme cylinder 2 is rotated under its inclined position with the help of the worm drive 26 and which extends radially via its set screws 16; 17; 18 on the setting ring 19 supporting application rollers 7; 8th; 9 of the inking unit 10 carried under constant contact with the forme cylinder 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
EP96105298A 1995-04-15 1996-04-03 Dispositif de rajustage pour rouleaux d'encrage et de mouillage Expired - Lifetime EP0737576B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19514197A DE19514197A1 (de) 1995-04-15 1995-04-15 Nachstellvorrichtung für Farb- und Feuchtmittelauftragwalzen
DE19514197 1995-04-15

Publications (2)

Publication Number Publication Date
EP0737576A1 true EP0737576A1 (fr) 1996-10-16
EP0737576B1 EP0737576B1 (fr) 1999-01-13

Family

ID=7759750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96105298A Expired - Lifetime EP0737576B1 (fr) 1995-04-15 1996-04-03 Dispositif de rajustage pour rouleaux d'encrage et de mouillage

Country Status (2)

Country Link
EP (1) EP0737576B1 (fr)
DE (2) DE19514197A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003049947A2 (fr) * 2001-12-06 2003-06-19 Koenig & Bauer Aktiengesellschaft Procedes et dispositifs permettant de regler au moins un rouleau dans une machine a imprimer et/ou de le placer/retirer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1611251B1 (de) * 1967-02-23 1972-03-09 North American Rockwell Nachstellvorrichtung fuer die farb und wasserauftragewalzen gegenueber einem schraegstellbaren formzylinder von rotations druckmaschinen
US4922818A (en) * 1987-12-22 1990-05-08 Heidelberger Druckmaschinen Aktiengesellschaft Wetting/inking mechanism for offset printing presses
EP0437230A2 (fr) * 1990-01-10 1991-07-17 Komori Corporation Dispositif d'encrage pour machine à imprimer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448686A (en) * 1966-12-05 1969-06-10 Miehle Goss Dexter Inc Form roller setting and control means
US4365552A (en) * 1980-05-20 1982-12-28 Harris Corporation Automatic cylinder skewing apparatus
DE3415287A1 (de) * 1983-06-10 1984-12-13 Didde Graphic Systems Corp., Emporia, Kan. Zylinder- bzw. walzeneinstellvorrichtung fuer eine offsetmaschine
DE9110806U1 (de) * 1991-08-31 1991-10-17 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung zum Einstellen von Auftragwalzen am Plattenzylinder von Rotationsdruckmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1611251B1 (de) * 1967-02-23 1972-03-09 North American Rockwell Nachstellvorrichtung fuer die farb und wasserauftragewalzen gegenueber einem schraegstellbaren formzylinder von rotations druckmaschinen
US4922818A (en) * 1987-12-22 1990-05-08 Heidelberger Druckmaschinen Aktiengesellschaft Wetting/inking mechanism for offset printing presses
EP0437230A2 (fr) * 1990-01-10 1991-07-17 Komori Corporation Dispositif d'encrage pour machine à imprimer

Also Published As

Publication number Publication date
DE59601128D1 (de) 1999-02-25
DE19514197A1 (de) 1996-10-17
EP0737576B1 (fr) 1999-01-13

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