EP0407923B1 - Antrieb für die umlaufende und seitlich hin- und hergehende Reibwalze in Farb- oder Feuchtwerken von Offset-Druckmaschinen - Google Patents

Antrieb für die umlaufende und seitlich hin- und hergehende Reibwalze in Farb- oder Feuchtwerken von Offset-Druckmaschinen Download PDF

Info

Publication number
EP0407923B1
EP0407923B1 EP90113002A EP90113002A EP0407923B1 EP 0407923 B1 EP0407923 B1 EP 0407923B1 EP 90113002 A EP90113002 A EP 90113002A EP 90113002 A EP90113002 A EP 90113002A EP 0407923 B1 EP0407923 B1 EP 0407923B1
Authority
EP
European Patent Office
Prior art keywords
gear
roller
toothed gear
drive
loose
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
EP90113002A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0407923A3 (en
EP0407923A2 (de
Inventor
Paul Abendroth
Herbert Rebel
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
Priority to AT90113002T priority Critical patent/ATE93186T1/de
Publication of EP0407923A2 publication Critical patent/EP0407923A2/de
Publication of EP0407923A3 publication Critical patent/EP0407923A3/de
Application granted granted Critical
Publication of EP0407923B1 publication Critical patent/EP0407923B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/38—Means for axially reciprocating inking rollers

Definitions

  • the invention relates to a drive for the rotating and laterally reciprocating friction roller according to the preamble of the claim.
  • the drive has a loose gearwheel which mediates the lateral back and forth movement of the distribution roller with two teeth less than a gearwheel which mediates the circumferential movement of the distribution roller and which is firmly connected to a bearing arm of the distribution roller.
  • the loose gear is connected to a groove curve in a sleeve, which is rigidly connected to the bearing arm, by a bolt in the hub of the loose gear with a roller.
  • the loose gear With the accelerated circular driving of the bolt with roller in the groove curve, the loose gear is exposed to vibrations coming from the machine, e.g. the drive wheel train from the printing unit cylinders and / or the friction drive of the rollers and cylinders with the torsional vibrations and / or disturbing vibrations introduced by the channel of the plate cylinder when it starts and runs off from a possibly provided drive of the application rollers with circumferential slip.
  • the loose gearwheel is exposed to vibrations which arise from the derivation of the cyclical oscillating movement of the friction roller from a rotational movement of the groove curve with the roller which is accelerated in a circular manner and which is rigidly connected to the hub of the loose gearwheel via the bolt.
  • the loose gear is low-mass, so that its moment of inertia is not sufficient to dampen the overlapping vibrations.
  • the object of the invention is to improve the drive of the type specified in the introduction in such a way that a clean printed image can be achieved which is in particular free of toothed strips.
  • the advantage of the invention is that the movement of the loose gear with pin and roller is derived from the gear imparting the circumferential movement of the friction roller. This dampens possible vibrations of the friction roller, with the interposition of the moment of inertia of the entire dampening unit drive, as a result of which toothed strips affecting the print quality on the printed sheet could be avoided.
  • the dampening unit consists of an applicator roller 2, a distributor roller 3, an intermediate roller 26 and a ductor roller 27.
  • the applicator roller 2 is in contact with a plate cylinder 1 of a printing machine (not shown) and the distributor roller 3.
  • the application roller 2 is driven by a gear 12 from the friction roller 3 by a gear 11.
  • the application roller 2 is driven in a form-locking manner synchronously or asynchronously with the plate cylinder 1, i.e. through a rigid drive connection with the friction roller 3.
  • the application roller 2 is mounted in bearing levers 25 which are pivotally mounted about the axis of the friction roller 3.
  • the stationary roller 3 is also in contact with the duct roller 27.
  • the duct roller 27 is immersed in a liquid container and transfers through contact with the intermediate roller 26 a thin film of damp liquid.
  • the ductor roller 27 is also mounted in a stationary manner and is driven by a geared motor 28 which is adjustable in speed.
  • the intermediate roller 26 can be pivoted in a similar manner to the application roller 2, in bearing levers not shown in the drawing, about an axis fixed to the frame. The setting of the rollers with respect to one another or their starting and stopping are known and are therefore not explained in more detail.
  • the friction roller 3 is positively driven by a driving gear 7, which is driven by a gear 6 attached to the plate cylinder 1 directly or via intermediate gears 6 ', 6' '.
  • the translation is chosen so that the friction roller 3 rotates at the peripheral speed of the plate cylinder 1.
  • the gear ratio for driving the applicator roller 2 from the friction roller 3 can be selected equal to 1 so that no slippage occurs between rollers 2 and 3, but it can also be selected such that slippage occurs between rollers 2 and 3, i.e. these rollers run asynchronously.
  • a hollow driving bearing leg 15 of the friction roller 3 is connected by means of a screw 13 through a cone to the drive pin of the friction roller 3 so that the friction roller 3 with its bearing and the drive elements can be removed from the machine.
  • the conical bearing legs 15 are guided in bearing bushes 5.
  • the friction roller is received in a known manner between the bearing legs 15.
  • the bearing leg 15 is connected to the gear 8, which mediates the circumferential movement of the friction roller 3, axially displaceably via a multi-spline profile 14 and is subjected to a radial rotary movement.
  • a loose gear 9 which mediates the lateral back and forth movement of the friction roller 3 is connected to a groove curve 17 in a sleeve 16 via a bolt 19 and a roller 18.
  • the sleeve 16 in turn is rigidly ver by discs with the bearing leg 15 bound.
  • the circumferential movement of the loose (second) gear 9 which mediates the lateral back and forth movement of the friction roller 3 is produced via a gear 10 which, apart from the loose gear 9, meshes only with the first gear 8 which mediates the circumferential movement of the friction roller 3, the circumferential movement of which is generated by a gearwheel 6 ′′ of the positive rotary drive of the machine via a gearwheel 7 that, apart from the gearwheel 6 ′′, only meshes with the first gearwheel 8 mediating the circumferential movement of the friction roller 3.
  • the lateral drive of the friction roller 3 is therefore no longer in parallel with the rotary drive of the friction roller 3 but in series, the rotary drive of the friction roller 3 being derived from the cylinder drive via gear wheels 6, 6 ', 6''7, while the circumferential movement of the lateral one
  • the back and forth movement of the loose (second) gear 9 is derived from the first gear 8 fastened to the bearing leg 15 of the friction roller 3.
  • tooth flank changes can be made Possibly tooth air with different provision of the rollers 1 to 3, further possibly different peripheral speeds and peripheral slip as well as excitations through the cylinder channel of the plate cylinder 1 can be prevented, so that toothed strips impairing the print quality do not occur on the printed sheet due to vibrations resulting from the drive.
  • the loose gear 9 rotating on the hub of the fixed gear 8 rests on an axial support 20, while the fixed first gear 8 is axially supported on the bearing bush.
  • the two gears 7 and 10 are rotatably received on bearing pins 21 and 22, which are mounted in the frame wall 4 of the printing press.
  • the gears 7 and 10 are axially secured by adjusting rings 23 and 24, respectively.

Landscapes

  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Pipe Accessories (AREA)
  • Replacement Of Web Rolls (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Handling Of Cut Paper (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
EP90113002A 1989-07-14 1990-07-07 Antrieb für die umlaufende und seitlich hin- und hergehende Reibwalze in Farb- oder Feuchtwerken von Offset-Druckmaschinen Expired - Lifetime EP0407923B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90113002T ATE93186T1 (de) 1989-07-14 1990-07-07 Antrieb fuer die umlaufende und seitlich hinund hergehende reibwalze in farb- oder feuchtwerken von offset-druckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3923315 1989-07-14
DE3923315A DE3923315A1 (de) 1989-07-14 1989-07-14 Antrieb fuer die umlaufende und seitlich hin- und hergehende reibwalze in farb- oder feuchtwerken von offset-druckmaschinen

Publications (3)

Publication Number Publication Date
EP0407923A2 EP0407923A2 (de) 1991-01-16
EP0407923A3 EP0407923A3 (en) 1991-04-24
EP0407923B1 true EP0407923B1 (de) 1993-08-18

Family

ID=6385036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90113002A Expired - Lifetime EP0407923B1 (de) 1989-07-14 1990-07-07 Antrieb für die umlaufende und seitlich hin- und hergehende Reibwalze in Farb- oder Feuchtwerken von Offset-Druckmaschinen

Country Status (7)

Country Link
US (1) US5025723A (enrdf_load_stackoverflow)
EP (1) EP0407923B1 (enrdf_load_stackoverflow)
JP (1) JPH074935B2 (enrdf_load_stackoverflow)
AT (1) ATE93186T1 (enrdf_load_stackoverflow)
BR (1) BR9003377A (enrdf_load_stackoverflow)
DE (2) DE3923315A1 (enrdf_load_stackoverflow)
ES (1) ES2044330T3 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19840806C1 (de) * 1998-09-07 1999-11-11 Koenig & Bauer Ag Changierbare Walze
JP2001353839A (ja) * 2000-04-14 2001-12-25 Komori Corp 印刷機械におけるローラの構造
JP4276010B2 (ja) * 2003-07-24 2009-06-10 株式会社小森コーポレーション 印刷機における駆動装置
US7722691B2 (en) 2005-09-30 2010-05-25 Saint-Gobain Abrasives, Inc. Abrasive tools having a permeable structure
US7708619B2 (en) 2006-05-23 2010-05-04 Saint-Gobain Abrasives, Inc. Method for grinding complex shapes
WO2009042591A1 (en) * 2007-09-24 2009-04-02 Saint-Gobain Abrasives, Inc. Abrasive products including active fillers
BRPI0911453A2 (pt) * 2008-04-18 2018-03-20 Saint Gobain Abrasifs Sa modificação da superfície de silanos hidrófilos e hidrfóbicos de orgãos abrasivos
CA2762278A1 (en) 2009-05-19 2010-11-25 Saint-Gobain Abrasives, Inc. Method and apparatus for roll grinding
KR200481103Y1 (ko) * 2014-10-15 2016-08-12 안외선 우주선 정리함 키트
CN112339426A (zh) * 2020-10-28 2021-02-09 广水市众诚机械有限公司 一种用于曲面胶印机的墨站动力系统
FR3122465B1 (fr) 2021-04-28 2023-07-07 Airbus Helicopters Assemblage muni d’un système d’accouplement pouvant être déconnecté ayant un fusible mécanique et un frein à friction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE41474C (de) * J. JERGER, 42 Fore Street, und R. Wm. STEPHENS, 34 Catharine Street, Beide in Devonport, England Zeitmesser mit Läutevorrichtung
DE484650C (de) * 1929-10-21 Albert Schnellpressen Antrieb fuer den umlaufenden und hin und her gehenden Farbverreibzylinder mittels zweier verschieden schnell umlaufender Zahnraeder
DD41474A (enrdf_load_stackoverflow) *
GB1329204A (en) * 1972-01-19 1973-09-05 Timsons Ltd Roller driving means
DE3034644C2 (de) * 1980-09-13 1982-10-07 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Farbwerk mit changierenden Farbauftragswalzen
US4796530A (en) * 1987-06-01 1989-01-10 Pathfinder Graphic Associates Inc. Oscillating roll for printing presses

Also Published As

Publication number Publication date
JPH074935B2 (ja) 1995-01-25
EP0407923A3 (en) 1991-04-24
JPH03114837A (ja) 1991-05-16
EP0407923A2 (de) 1991-01-16
ATE93186T1 (de) 1993-09-15
DE59002372D1 (de) 1993-09-23
DE3923315C2 (enrdf_load_stackoverflow) 1991-10-24
BR9003377A (pt) 1991-08-27
ES2044330T3 (es) 1994-01-01
DE3923315A1 (de) 1991-04-04
US5025723A (en) 1991-06-25

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