EP0454010B1 - Farbwerkswalzenantrieb - Google Patents

Farbwerkswalzenantrieb Download PDF

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Publication number
EP0454010B1
EP0454010B1 EP91106409A EP91106409A EP0454010B1 EP 0454010 B1 EP0454010 B1 EP 0454010B1 EP 91106409 A EP91106409 A EP 91106409A EP 91106409 A EP91106409 A EP 91106409A EP 0454010 B1 EP0454010 B1 EP 0454010B1
Authority
EP
European Patent Office
Prior art keywords
roller
frame
rotary
inking
alternating
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 - Lifetime
Application number
EP91106409A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0454010A1 (de
Inventor
Erich Georg Wieland
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
Koenig and Bauer Albert AG
Koenig and Bauer 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 Koenig and Bauer Albert AG, Koenig and Bauer AG filed Critical Koenig and Bauer Albert AG
Publication of EP0454010A1 publication Critical patent/EP0454010A1/de
Application granted granted Critical
Publication of EP0454010B1 publication Critical patent/EP0454010B1/de
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
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers

Definitions

  • the invention relates to a device for the positive, rotary and oscillating drive of an inking or dampening unit roller of a rotary printing press. According to the preamble of patent claim 1.
  • DE-OS 36 28 787 shows an axially movable distributor roller, which is connected to two inking rollers.
  • the distributing roller is supported by a plate cylinder, together with the inking rollers.
  • a drive for the distribution roller is not provided. For this reason, the distribution roller is only driven by friction from the inking rollers. When driven by friction, however, a certain slippage between the co-operating rollers cannot be avoided.
  • a friction drive is also a disadvantage, especially in dampening systems, because the friction values between the rollers decrease considerably with increased dampening solution proportions. In particular, if several rollers arranged one behind the other are driven by friction, this can lead to difficulties in inking the printing plate, such as streaking or broadening of the point.
  • the invention has for its object to provide a device for driving a movable roller, which enables the roller to be driven in a form-fitting manner in rotation and oscillation.
  • the advantage of the invention is that the means provided for both the rotating and the oscillating drive (eg gear wheels) can be arranged outside the side frames, as a result of which they can be well lubricated and do not come into contact with printing ink.
  • the friction roller is only subjected to torques. Other drive-related forces in the x and y directions are absorbed by the side frame. In this way, one-sided loads on the friction roller and thus different contact pressures over the length of the roller are avoided.
  • the invention is described using the example of a rubbing roller 1 which is in surface contact with two inking rollers 2, 3.
  • the inking rollers 2, 3 interact with a plate cylinder 4 and are rotatably mounted in a common swivel frame 6 on both sides of a rotary printing machine, not shown.
  • the swivel frames 6 are pivotally mounted on the inner sides of the side frames 7 of the rotary printing press, of which only one side is shown and described for the sake of simplicity.
  • a gear 9 designed as a drive sprocket is rotatably and displaceably mounted in a frame bore 8 by means of a bushing 11.
  • the gear 9 is arranged outside the side frame 7 and connected by means of a further rotatable bearing 12 to a drive 10 (e.g. crank or cam gear or a pneumatic or hydraulic traversing drive) for a back and forth movement of the gear 9.
  • the gear 9 is in meshing engagement with a gear 13 driven by the machine drive, which is rotatably mounted outside of the side frame 7 in the latter.
  • the teeth 14 of the gear 13 are so wide that they always remain securely in contact with the teeth 15 of the gear 9 even when the gear 8 is moved back and forth.
  • the socket 11 coaxially surrounds a drive pin 16 which is firmly connected to the gear 9 and the socket 11.
  • the drive pin 16 is positively connected to a shaft pin 18 of the friction roller 1 by means of an articulated shaft 17 (for example a double universal joint).
  • an articulated shaft 17 for example a double universal joint.
  • the gear 9 it is also possible to arrange the gear 9 so that it can rotate and move.
  • the drive pin 16 is displaceable relative to the bush 11 and the gear 9, but is arranged in a rotationally fixed manner (for example by means of a spline, spline or polygon connection).
  • the friction roller 1 is rotatably and axially displaceably mounted in the swivel frame 6 by means of the shaft journal 18, so that it can be switched off together with the inking rollers 2, 3 by the plate cylinder 4 which is rotatably mounted in the side frames 7.
  • the common swivel frame 6 has a rotatably mounted control roller 22 which is arranged in contact with a control cam 23.
  • the swivel frame 6 has a compression spring 24 which is arranged at an end opposite the mounting of the swivel frame 6 and is supported on the side frame 7 by means of the compression spring 24.
  • the first inking roller 2 is slidably mounted in a slot of the swivel frame 6 and adjustable by means of an adjusting screw 26, so that an axial distance between the friction roller 1 and the first inking roller 2 can be adjusted.
  • the second inking roller 3 is mounted in the swivel frame 6 by means of a compression spring 27 and by means of two adjusting screws 28, 29, so that it can be adjusted to the friction roller 1 and the plate cylinder 4.
  • the control cam 23 presses the control roller 22 outwards, so that the swivel frame 6 is deflected against the force of the compression spring 24 and the rollers 2 and 3 mounted in the swivel frame 6 are turned off by the plate cylinder 4, whereby they also perform a position-changing relative movement with the friction roller 1 relative to the side frames 7.
  • the friction roller 1 is mounted in one end of a bearing lever 31 which is displaceably mounted in the side frame 7.
  • the bearing lever 31 is arranged to be displaceable both with respect to the side frame 7 and perpendicular to the axis of the plate cylinder 4, the bearing lever 31 being supported on the side frame 7 by means of a compression spring 32.
  • the inking rollers 2, 3 also each have their own bearing lever 33; 34 on. These are pivotally arranged on the inside of the side frames 7.
  • the bearing lever 33; 34 each have a rotatably mounted control roller 36; 37 on.
  • Two jointly operable control cams 38, 39 are arranged in contact with the control rollers 36, 37.
  • the bearing levers 33, 34 each have a compression spring 41, 42, by means of which they are on Support side frame 7.
  • the inking rollers 2, 3 act on the friction roller 1 by means of their surfaces and move them against the force of the compression spring 32, so that a distance between the axis 19 of the friction roller 1 and the axis of rotation 21 of the gear 9 is generated.
  • a game s is provided between the propeller shaft 17 and an inner diameter of the bushing 11, which enables the axis 19 of the friction roller 1 to make a parallel change in position at a distance (e.g. ⁇ 5 mm) from an axis 21 of the Gear 9 performs.
  • only the friction roller 1 is provided with the drive device according to the invention.
  • the drive device according to the invention.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP91106409A 1990-04-26 1991-04-22 Farbwerkswalzenantrieb Expired - Lifetime EP0454010B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013416 1990-04-26
DE4013416A DE4013416C1 (enrdf_load_stackoverflow) 1990-04-26 1990-04-26

Publications (2)

Publication Number Publication Date
EP0454010A1 EP0454010A1 (de) 1991-10-30
EP0454010B1 true EP0454010B1 (de) 1995-02-15

Family

ID=6405194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106409A Expired - Lifetime EP0454010B1 (de) 1990-04-26 1991-04-22 Farbwerkswalzenantrieb

Country Status (4)

Country Link
US (1) US5103726A (enrdf_load_stackoverflow)
EP (1) EP0454010B1 (enrdf_load_stackoverflow)
JP (1) JP2957299B2 (enrdf_load_stackoverflow)
DE (2) DE4013416C1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363763A (en) * 1993-09-13 1994-11-15 Fury, Ltd. Inker mechanism
DE4429460B4 (de) * 1994-08-19 2005-10-13 Koenig & Bauer Ag Drehantrieb für Walzen in Farb- und/oder Feucht- und/oder Lackierwerken
DE19840806C1 (de) * 1998-09-07 1999-11-11 Koenig & Bauer Ag Changierbare Walze
DE10044860B4 (de) * 1999-09-29 2008-04-30 Heidelberger Druckmaschinen Ag Antriebsvorrichtung für Druckmaschinen
DE10014853C2 (de) * 2000-03-24 2002-02-07 Koenig & Bauer Ag Reibwalze mit axialem Hub
DE10028494A1 (de) * 2000-06-08 2001-12-13 Roland Man Druckmasch Rollrakeleinrichtung
JP2004109706A (ja) 2002-09-19 2004-04-08 Ricoh Co Ltd ベルト駆動装置・転写駆動システム・画像形成装置
JP2007309508A (ja) * 2006-04-20 2007-11-29 Kinyosha Co Ltd 揺動ローラー、転がり軸受、ローラーの揺動方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1607931A (en) * 1922-01-22 1926-11-23 White Maria Louisa Vibrator for ink-distributing rollers
US2506778A (en) * 1946-12-18 1950-05-09 Goss Printing Press Co Ltd Ink roller vibrator
FR1413028A (fr) * 1964-11-04 1965-10-01 Adamovske Strojirny Np Dispositif encreur pour machines à imprimer et machine pourvue dudit dispositif
DE2514414C3 (de) * 1975-04-02 1979-11-08 Koenig & Bauer Ag, 8700 Wuerzburg Vorrichtung zum axialen Hin- und Herbewegen von Reibwalzen
US3994222A (en) * 1976-04-30 1976-11-30 Rockwell International Corporation Ink roller vibrator mechanism
DD241230A1 (de) * 1985-09-27 1986-12-03 Polygraph Leipzig Egalisierwerk an farbwerken von druckmaschinen
ATE68131T1 (de) * 1987-05-07 1991-10-15 Conprinta Ltd Flexodruckmaschine, insbesondere fuer den flexovordruck.

Also Published As

Publication number Publication date
US5103726A (en) 1992-04-14
JPH04226362A (ja) 1992-08-17
DE59104567D1 (de) 1995-03-23
EP0454010A1 (de) 1991-10-30
JP2957299B2 (ja) 1999-10-04
DE4013416C1 (enrdf_load_stackoverflow) 1991-11-21

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