EP0454010A1 - Moyen pour entraîner les rouleaux d'un système d'encrage - Google Patents

Moyen pour entraîner les rouleaux d'un système d'encrage Download PDF

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Publication number
EP0454010A1
EP0454010A1 EP91106409A EP91106409A EP0454010A1 EP 0454010 A1 EP0454010 A1 EP 0454010A1 EP 91106409 A EP91106409 A EP 91106409A EP 91106409 A EP91106409 A EP 91106409A EP 0454010 A1 EP0454010 A1 EP 0454010A1
Authority
EP
European Patent Office
Prior art keywords
drive
roller
inking
side frames
drive shaft
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
EP91106409A
Other languages
German (de)
English (en)
Other versions
EP0454010B1 (fr
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/fr
Application granted granted Critical
Publication of EP0454010B1 publication Critical patent/EP0454010B1/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
    • B41F31/00—Inking arrangements or devices
    • B41F31/15—Devices for moving vibrator-rollers

Definitions

  • the invention relates to a device for positive rotary and oscillating drive of inking or dampening unit rollers of a rotary printing press.
  • 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 interacting rollers cannot be avoided.
  • a friction drive is also a disadvantage, especially in dampening systems, because the friction coefficient between the rollers decreases 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 point widening.
  • 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 distribution cylinder 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 cooperate with a plate cylinder 4 and are rotatably mounted in a common swivel frame 6 on both sides of a rotary printing press, not shown.
  • the pivot 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 drive sprocket 9 is rotatably and displaceably mounted in a frame bore 8 by means of a bushing 11.
  • the gear wheel 8 is arranged outside the side frame 7 and connected by means of a further rotatable bearing 12 to a drive 10 (for example a crank or cam gear or a pneumatic or hydraulic traversing drive) for a back and forth movement of the gear wheel 8.
  • a drive 10 for example a crank or cam gear or a pneumatic or hydraulic traversing drive
  • the toothed wheel 8 is in meshing engagement with a toothed wheel 13 driven by the machine drive, which is rotatably mounted outside of the side frame 7.
  • the teeth 14 of the gear 13 are so wide that they always remain securely in contact with the teeth 15 of the gear 8 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 drive ring 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 coupling 17 (for example a double universal joint).
  • an articulated coupling 17 for example a double universal joint.
  • the drive sprocket 9 it is also possible to arrange the drive sprocket 9 so that it can rotate and move.
  • the drive pin 16 is displaceable relative to the bush 11 and the drive sprocket 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 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 inking roller 2 can be adjusted.
  • the 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 together with the distribution cylinder 1 relative to the side frames 7.
  • the distribution cylinder 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 also 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.
  • control rollers 36, 37 When parking the inking rollers 2, 3 from the plate cylinder 4 are pressed by means of the control cams 38, 39 control rollers 36, 37 so that they together with the bearing levers 33, 34 and the inking rollers 2, 3 stored therein by the plate cylinder 4 against the force of the Springs 41, 42 can be turned off.
  • the inking rollers 2, 3 act on the surface of the distribution cylinder 1 and move it against the force of the compression spring 32, so that a distance between the axis 19 of the distribution cylinder 1 and the axis of rotation 21 of the drive ring gear 9 is generated.
  • a game s is provided between the articulated coupling 17 and an inner diameter of the bushing 11, which enables an axis 19 of the distribution cylinder 1 to make a parallel change in position at a distance (e.g. ⁇ 5 mm) from an axis 21 of the Drive sprocket 9 performs.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
EP91106409A 1990-04-26 1991-04-22 Moyen pour entraîner les rouleaux d'un système d'encrage Expired - Lifetime EP0454010B1 (fr)

Applications Claiming Priority (2)

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

Publications (2)

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

Family

ID=6405194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91106409A Expired - Lifetime EP0454010B1 (fr) 1990-04-26 1991-04-22 Moyen pour entraîner les rouleaux d'un système d'encrage

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000013902A2 (fr) * 1998-09-07 2000-03-16 Koenig & Bauer Aktiengesellschaft Rouleau

Families Citing this family (7)

* 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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1413028A (fr) * 1964-11-04 1965-10-01 Adamovske Strojirny Np Dispositif encreur pour machines à imprimer et machine pourvue dudit dispositif
US3994222A (en) * 1976-04-30 1976-11-30 Rockwell International Corporation Ink roller vibrator mechanism
DE3628787A1 (de) * 1985-09-27 1987-04-09 Polygraph Leipzig Egalisierwerk an farbwerken von druckmaschinen
EP0290850A1 (fr) * 1987-05-07 1988-11-17 Conprinta Ltd. Machine d'impression flexographique, en particulier pour l'impression d'un fond

Family Cites Families (3)

* 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
DE2514414C3 (de) * 1975-04-02 1979-11-08 Koenig & Bauer Ag, 8700 Wuerzburg Vorrichtung zum axialen Hin- und Herbewegen von Reibwalzen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1413028A (fr) * 1964-11-04 1965-10-01 Adamovske Strojirny Np Dispositif encreur pour machines à imprimer et machine pourvue dudit dispositif
US3994222A (en) * 1976-04-30 1976-11-30 Rockwell International Corporation Ink roller vibrator mechanism
DE3628787A1 (de) * 1985-09-27 1987-04-09 Polygraph Leipzig Egalisierwerk an farbwerken von druckmaschinen
EP0290850A1 (fr) * 1987-05-07 1988-11-17 Conprinta Ltd. Machine d'impression flexographique, en particulier pour l'impression d'un fond

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6418846B1 (en) 1996-09-07 2002-07-16 Koenig & Bauer Aktiengesellschaft Roller
WO2000013902A2 (fr) * 1998-09-07 2000-03-16 Koenig & Bauer Aktiengesellschaft Rouleau
WO2000013902A3 (fr) * 1998-09-07 2000-06-02 Koenig & Bauer Ag Rouleau

Also Published As

Publication number Publication date
DE59104567D1 (de) 1995-03-23
DE4013416C1 (fr) 1991-11-21
JP2957299B2 (ja) 1999-10-04
JPH04226362A (ja) 1992-08-17
EP0454010B1 (fr) 1995-02-15
US5103726A (en) 1992-04-14

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