EP0454010A1 - Moyen pour entraîner les rouleaux d'un système d'encrage - Google Patents
Moyen pour entraîner les rouleaux d'un système d'encrage Download PDFInfo
- 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
Links
Images
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)
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)
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)
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)
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)
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 |
-
1990
- 1990-04-26 DE DE4013416A patent/DE4013416C1/de not_active Expired - Lifetime
-
1991
- 1991-04-15 JP JP3082092A patent/JP2957299B2/ja not_active Expired - Fee Related
- 1991-04-17 US US07/686,431 patent/US5103726A/en not_active Expired - Lifetime
- 1991-04-22 EP EP91106409A patent/EP0454010B1/fr not_active Expired - Lifetime
- 1991-04-22 DE DE59104567T patent/DE59104567D1/de not_active Expired - Fee Related
Patent Citations (4)
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)
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 |
---|---|
US5103726A (en) | 1992-04-14 |
DE59104567D1 (de) | 1995-03-23 |
JPH04226362A (ja) | 1992-08-17 |
DE4013416C1 (fr) | 1991-11-21 |
JP2957299B2 (ja) | 1999-10-04 |
EP0454010B1 (fr) | 1995-02-15 |
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