EP0353535A2 - Dispositif de mouillage - Google Patents

Dispositif de mouillage Download PDF

Info

Publication number
EP0353535A2
EP0353535A2 EP89113120A EP89113120A EP0353535A2 EP 0353535 A2 EP0353535 A2 EP 0353535A2 EP 89113120 A EP89113120 A EP 89113120A EP 89113120 A EP89113120 A EP 89113120A EP 0353535 A2 EP0353535 A2 EP 0353535A2
Authority
EP
European Patent Office
Prior art keywords
roller
lever
dampening unit
transport roller
application roller
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
EP89113120A
Other languages
German (de)
English (en)
Other versions
EP0353535A3 (en
EP0353535B1 (fr
Inventor
Franz X. Gollinger
Georg Bock
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 EP0353535A2 publication Critical patent/EP0353535A2/fr
Publication of EP0353535A3 publication Critical patent/EP0353535A3/de
Application granted granted Critical
Publication of EP0353535B1 publication Critical patent/EP0353535B1/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
    • B41F35/00—Cleaning arrangements or devices
    • B41F35/04—Cleaning arrangements or devices for inking rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00—Cleaning
    • B41P2235/30—Recovering used solvents or residues
    • B41P2235/31—Recovering used solvents or residues by filtering

Definitions

  • the invention relates to a dampening system for a printing press, which can be used for the optional supply of dampening liquid to the plate cylinder or cleaning liquid to an inking roller, with a feed roller, a transport roller and an application roller.
  • Such a dampening system is known from German utility model 1 932 642.
  • an additional roller is switched between a dampening roller and an ink roller.
  • the cleaning agent is sprayed on by hand.
  • the invention is based on the object of designing a dampening unit of the type mentioned at the outset such that it can be switched between a position suitable for dampening and a position suitable for supplying the cleaning liquid using the rollers which are absolutely necessary for dampening.
  • this object is achieved by using the features specified in the characterizing part of claim 1.
  • Another advantage of the invention is the fact that the cleaning liquid is automatically supplied after switching to the cleaning position.
  • the dampening unit comprises an application roller 1, a transport roller 2 and a feed roller 3.
  • the application roller 1 and the transport roller 2 expediently have an elastic surface, for example made of hard rubber or a comparable plastic, while the feed roller has a metallic, water-accepting surface, for example made of chrome, Has.
  • the application roller 1 can cooperate with a forme cylinder 4 carrying the printing form.
  • the form cylinder 4 is supplied with ink via an inking roller 5 and an anilox roller 6.
  • the application roller 1 is rotatably supported at both ends in an arm 8 by means of an axis 7.
  • the transport roller 2 is rotatably seated on an axis 9, which is also mounted on the carrying levers 8 and secured against rotation.
  • the axis 9 has at each end an eccentrically arranged bearing pin 10, which is freely rotatable in a control lever 11.
  • the control levers 11 can be pivoted about fixedly arranged bushes 12, the longitudinal axes of which coincide with the longitudinal axis of a shaft 25 of the feed roller 3 driven by means of gears (not shown).
  • An actuating device 13 which can consist of a hydraulic or pneumatic piston or an electrically operated magnet, is used to actuate the actuating lever 11. With control device 13, the control lever 11 is pivoted about the bush 12 in or against the direction of arrow a.
  • the support lever 8 also carries a pin 14 on which the one end of a rocker 15 is pivoted.
  • the other end of the rocker 15 is articulated in the same way on a pin 16 which is attached to a side wall 17 on the printing press.
  • a trough 18 is provided below the application roller 1, into which a pump 19 is fed via a feed line 20 Can pump cleaning liquid from a reservoir 21. After completion of a washing process, the tub 19 can be emptied again via a return line 22. The cleaning liquid flows back through a filter 23 into the reservoir 21.
  • a spray device 24 is provided, with which dampening liquid can be sprayed onto the feed roller 3.
  • the dampening liquid passes from the feed roller 3 via the transport roller 2 and the application roller 1 to the forme cylinder 4.
  • the actuating device 13 is actuated and thereby rotates the control lever 11 in the direction of arrow a around the bushing 12. This pivoting movement is followed by the journal 10 with the axis 9 As a result, the support lever 8 is moved approximately in the direction of arrow b.
  • the rocker arm 15 ensures that the application roller 1 moves on a predetermined path to the tub 18 and the transport roller 2 to the inking roller 5. If the rollers 5, 6 are now driven, the transport roller 2 and the application roller 1 are entrained by friction and cleaning liquid is thereby conveyed to the ink application roller 5.
  • the transport roller 2 Due to the eccentricity between the axis 9 and the bearing journal 10, the transport roller 2 is further lifted off the feed roller 3 when it is switched to the washing position shown in FIG. 2. This lifting is expedient so that after the washing is finished, no residues of the cleaning liquid remain on the feed roller 3, which can negatively influence the subsequent dampening of the forme cylinder 4. With lower requirements for immediate further printing after the washing process, the eccentricity between the axis 9 and the bearing journal 10 can be dispensed with, so that the feed roller 3 remains in contact with the transport roller 2 even during washing.
  • the applicator roller 1 and the transport roller 2 are each attached to a carrying lever 26 at each end stored.
  • the support lever 26 is in turn rotatably mounted on the control lever 11 by means of the bearing pin 10. 1 to 3, a control cam 27 is provided on each support lever 26 instead of the rocker 15.
  • Each cam 27 interacts with a pin 28 attached to the side wall of the printing press.
  • the control levers 11 are pivoted in the direction of arrow a around the bushes 12.
  • the control lever 11 in turn take about the bearing pin 10, the eccentrically arranged axis 9 and the support lever 26, which are secured against rotation on the axis 9, approximately in the direction of arrow b.
  • the movement of the support levers 26 is predetermined by the interaction of the control cams 27 with the pins 28.
  • each control cam 27 is a control slot which engages over a pin 28.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP89113120A 1988-08-02 1989-07-18 Dispositif de mouillage Expired - Lifetime EP0353535B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3826222 1988-08-02
DE3826222A DE3826222A1 (de) 1988-08-02 1988-08-02 Feuchtwerk

Publications (3)

Publication Number Publication Date
EP0353535A2 true EP0353535A2 (fr) 1990-02-07
EP0353535A3 EP0353535A3 (en) 1990-09-05
EP0353535B1 EP0353535B1 (fr) 1993-12-15

Family

ID=6360083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89113120A Expired - Lifetime EP0353535B1 (fr) 1988-08-02 1989-07-18 Dispositif de mouillage

Country Status (4)

Country Link
US (1) US4905593A (fr)
EP (1) EP0353535B1 (fr)
JP (1) JPH0286446A (fr)
DE (2) DE3826222A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003412A1 (de) * 1990-02-05 1991-08-08 Koenig & Bauer Ag Buerstenfeuchtwerk
JPH03288756A (ja) * 1990-04-02 1991-12-18 Tokyo Kikai Seisakusho Ltd ドラッグローラー装置
DE4322615C2 (de) * 1993-07-07 1997-10-23 Heidelberger Druckmasch Ag Wascheinrichtung für das Farbwerk von Rotationsdruckmaschinen
DE19541418A1 (de) * 1995-11-07 1997-05-15 Heidelberger Druckmasch Ag Offsetdruckmaschine
DE10355909A1 (de) * 2003-11-29 2005-06-30 Baldwin Germany Gmbh Druckmaschinen-Reinigungseinrichtung
DE102005056812B4 (de) * 2004-12-21 2025-05-22 Heidelberger Druckmaschinen Ag Verfahren zum Waschen eines Anilox-Farbwerks einer Druckmaschine
JP4786325B2 (ja) * 2004-12-21 2011-10-05 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 印刷機のアニロックス式インキ装置を洗浄する方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932642U (de) * 1964-10-27 1966-02-17 Roland Offsetmaschf Feuchtwerk.
GB1207220A (en) * 1968-07-03 1970-09-30 Pfizer & Co C Paper coating and coated paper
US3673959A (en) * 1970-04-22 1972-07-04 North American Rockwell Dampening system for lithographic printing press
DE2042423C3 (de) * 1970-08-27 1975-07-17 Artur 7241 Tumlingen Fischer Schalttafel für Schaltungen von elektrischen und elektronischen Bauelementen
US4036131A (en) * 1975-09-05 1977-07-19 Harris Corporation Dampener
DD223117A1 (de) * 1984-04-04 1985-06-05 Polygraph W Lamberz Leipzig Ve Schalteinrichtung fuer ein kombiniertes feucht- und lackierwerk

Also Published As

Publication number Publication date
US4905593A (en) 1990-03-06
DE3826222A1 (de) 1990-02-15
DE58906420D1 (de) 1994-01-27
EP0353535A3 (en) 1990-09-05
DE3826222C2 (fr) 1990-05-31
EP0353535B1 (fr) 1993-12-15
JPH0286446A (ja) 1990-03-27

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