EP0175237B1 - Vorrichtung zum An- und Abstellen der Farbauftragwalzen im Farbwerk von Druckmaschinen - Google Patents

Vorrichtung zum An- und Abstellen der Farbauftragwalzen im Farbwerk von Druckmaschinen Download PDF

Info

Publication number
EP0175237B1
EP0175237B1 EP85111284A EP85111284A EP0175237B1 EP 0175237 B1 EP0175237 B1 EP 0175237B1 EP 85111284 A EP85111284 A EP 85111284A EP 85111284 A EP85111284 A EP 85111284A EP 0175237 B1 EP0175237 B1 EP 0175237B1
Authority
EP
European Patent Office
Prior art keywords
rollers
inking
levers
ink applicator
applicator rollers
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.)
Expired
Application number
EP85111284A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0175237A2 (de
EP0175237A3 (en
Inventor
Hermann Beisel
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0175237A2 publication Critical patent/EP0175237A2/de
Publication of EP0175237A3 publication Critical patent/EP0175237A3/de
Application granted granted Critical
Publication of EP0175237B1 publication Critical patent/EP0175237B1/de
Expired legal-status Critical Current

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Classifications

    • 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

Definitions

  • the invention relates to a device for starting and stopping the inking rollers according to the preamble of claim 1.
  • a known embodiment of this type discloses an inking unit with three inking rollers, with a bearing on levers which are attached to the side frames.
  • the bearing levers are each assigned actuating levers that are operatively connected to one another.
  • a cam disk is provided on both sides on the bearing of the plate cylinder, on which a roller that is attached to one of the control levers rolls.
  • the inking rollers can be switched on or off by simultaneously turning the two cam discs on each side of the machine.
  • several tension springs are required which bring the control lever provided on both machine sides into contact.
  • the disadvantage of the known design is essentially to be seen in the unstable mounting of the inking roller. Roll these in their employed position on the pressure plate, so z. B. in the passage of the cylinder channel blows occur which lead to vibrations of the rollers or the roller bearings, so that when the individual inking rollers are placed on the printing plate, an impairment of the inking thereof can occur. In the case of high-speed machines in particular, this can lead to roller strips which make it impossible to produce high-quality printing work.
  • the US-A 3538849 shows an inking unit with four inking rollers, which are mounted on both machine side frames on bearing levers, which are pivotally arranged on the bearings of the nearest friction rollers and have tabs for turning the inking rollers on and off. Bars are attached to the tabs, which cooperate with springs or pressure medium cylinders, not shown. Since a separate adjusting means is thus provided for each bearing lever, a uniform setting of the application rollers cannot be guaranteed in this embodiment, so that the inking of the printing form is also not optimal.
  • the embodiment shown in the drawing relates to an offset printing unit with a plate cylinder 1 and a blanket cylinder 2 in the known embodiment.
  • four inking rollers 3, 4, 5, 6 are assigned to the plate cylinder and are pivotably mounted about two distribution rollers 7, 8.
  • the friction rollers 7, 8 are driven by an inking mechanism drive, not shown, at machine speed.
  • the friction rollers 7, 8 are supplied with a certain amount of ink by a dye metering device 10 via a plurality of inking unit rollers 9.
  • the inking rollers 3-6 are mounted in bearing levers 11-14, which are arranged pivotably about the bearings 15 of the closest distributor roller 7, 8.
  • Two bearing levers 11, 12 and 13, 14, respectively, which are provided on both machine side frames, are each connected to a control lever 20, 21 via tabs 16-19.
  • the tabs are fastened here via bolts 22 to cams 23, which are each provided on the bearing levers 11-14.
  • the connection to the control levers 20, 21 also takes place via bolts 24.
  • the control levers 20, 21 themselves are fastened to the machine side frame 26 by means of stud bolts 25 (FIG. 2).
  • a compensating web 27 is provided, which is connected via stud bolts 28 to the ends opposite the bearing of the control levers on the stud bolts 25.
  • the piston rod 30 of an actuating cylinder 31 acts on this compensating web 27 via a joint body 29. This in turn is supported on the machine side frame 26 via a bearing body 32.
  • the compensating web 27 is pressed downwards to set the application rollers 3-6, so that the two control levers 20, 21 are moved in the manner of a toggle lever.
  • they press the bearing levers 11-14 downward via the bolts 24 and the brackets 16-19, so that the application rollers 3-6 come into contact with the plate cylinder 1.
  • the positioning movement is limited here by eccentric stops 33, against which the recesses 34 in the bearing levers 11-14 bear.
  • the stops 33 By turning the stops 33 via adjusting spindles, not shown, the adjustment can thus be made using the application rollers 3-B on the pressure plate of the plate cylinder 1 adjust sensitively.
  • the inking unit roller 35 abutting the inking rollers 4, 5 is slidably mounted via sliding pieces 36, so that it can follow the on and off movement of the inking rollers without their own adjusting means.
  • the joint body 29 is connected to the compensating web 27 via a pin 37.
  • This figure also shows that the application rollers 3-6 are preferably interchangeably mounted via bearings 38 in the bearing levers 11 to 14.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP85111284A 1984-09-21 1985-09-06 Vorrichtung zum An- und Abstellen der Farbauftragwalzen im Farbwerk von Druckmaschinen Expired EP0175237B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3434645 1984-09-21
DE3434645A DE3434645C1 (de) 1984-09-21 1984-09-21 Vorrichtung zum An- und Abstellen der Farbauftragwalzen im Farbwerk von Druckmaschinen

Publications (3)

Publication Number Publication Date
EP0175237A2 EP0175237A2 (de) 1986-03-26
EP0175237A3 EP0175237A3 (en) 1987-08-19
EP0175237B1 true EP0175237B1 (de) 1989-11-29

Family

ID=6245949

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111284A Expired EP0175237B1 (de) 1984-09-21 1985-09-06 Vorrichtung zum An- und Abstellen der Farbauftragwalzen im Farbwerk von Druckmaschinen

Country Status (6)

Country Link
US (1) US4711174A (enrdf_load_stackoverflow)
EP (1) EP0175237B1 (enrdf_load_stackoverflow)
JP (1) JPS6178652A (enrdf_load_stackoverflow)
AU (1) AU576611B2 (enrdf_load_stackoverflow)
CA (1) CA1251689A (enrdf_load_stackoverflow)
DE (1) DE3434645C1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434647C2 (de) * 1984-09-21 1986-07-31 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Farbwerk für Rotationsdruckmaschinen
DE3434646C1 (de) * 1984-09-21 1985-11-07 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Heberfarbwerk einer Druckmaschine
US5033381A (en) * 1987-02-06 1991-07-23 Am International, Inc. Adjustable mounting bracket for printing or duplicating machine roller
JP2938491B2 (ja) * 1990-01-10 1999-08-23 株式会社小森コーポレーション 印刷機のインキ装置
DE4423286C2 (de) * 1994-07-02 1998-06-04 Heidelberger Druckmasch Ag Druckwerk für eine Rotationsoffsetdruckmaschine
US6101940A (en) * 1999-08-13 2000-08-15 Ward Holding Co., Inc. Printing machine
JP3664242B2 (ja) * 2001-03-02 2005-06-22 株式会社東京機械製作所 印刷機の液体供給装置におけるニップ幅調整装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH37358A (de) * 1906-05-07 1907-05-31 Alfred Maul Einrichtung zum Halten von Apparaten in eingestellter Richtung an Vorrichtungen, welche einstellbar Apparate tragen
DE576179C (de) * 1927-03-30 1933-05-08 Leslie William Claybourn Vorrichtung zum Ab- und Anstellen von Farbauftragwalzen an Rotationsdruckmaschinen
US2162812A (en) * 1937-02-15 1939-06-20 Harris Seybold Potter Co Inker throw-off
NL90926C (enrdf_load_stackoverflow) * 1953-09-02
US2965023A (en) * 1957-09-18 1960-12-20 Donnelley & Sons Co Latch and thrust mechanism for printing press ink carriages
US3366047A (en) * 1967-02-23 1968-01-30 Miehle Goss Dexter Inc Skewing arrangement for plate cylinder and form rollers in printing press
US3491686A (en) * 1967-07-31 1970-01-27 Fred K H Levey Co Inc Mounting apparatus for ink form rollers
US3538849A (en) * 1968-01-24 1970-11-10 Miehle Goss Dexter Inc Oscillator ink roller mounting and control means
US3595164A (en) * 1969-04-09 1971-07-27 Wood Industries Inc Egg carton printer
JPS58208055A (ja) * 1982-05-27 1983-12-03 Ryobi Ltd 両面印刷機
DE3221514C2 (de) * 1982-06-07 1986-01-23 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Feuchtwerk an Mehrfarbenrotationsdruckmaschinen zum Aufbringen von Flüssigkeiten auf einen Plattenzylinder
US4458591A (en) * 1982-09-30 1984-07-10 Harris Graphics Corporation Rotary printing press
JPS59142150A (ja) * 1983-02-03 1984-08-15 Komori Printing Mach Co Ltd 印刷物ニス塗り装置

Also Published As

Publication number Publication date
US4711174A (en) 1987-12-08
JPS6178652A (ja) 1986-04-22
CA1251689A (en) 1989-03-28
EP0175237A2 (de) 1986-03-26
AU576611B2 (en) 1988-09-01
AU4581785A (en) 1986-03-27
EP0175237A3 (en) 1987-08-19
JPH0410860B2 (enrdf_load_stackoverflow) 1992-02-26
DE3434645C1 (de) 1986-03-13

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