EP0213578B1 - Rotative pour l'impression polychrome - Google Patents

Rotative pour l'impression polychrome Download PDF

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Publication number
EP0213578B1
EP0213578B1 EP86111681A EP86111681A EP0213578B1 EP 0213578 B1 EP0213578 B1 EP 0213578B1 EP 86111681 A EP86111681 A EP 86111681A EP 86111681 A EP86111681 A EP 86111681A EP 0213578 B1 EP0213578 B1 EP 0213578B1
Authority
EP
European Patent Office
Prior art keywords
printing
gear
plate cylinder
roller
plate
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
EP86111681A
Other languages
German (de)
English (en)
Other versions
EP0213578A3 (en
EP0213578A2 (fr
Inventor
Manfred Niehaus
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.)
Werner Kammann Maschinenfabrik GmbH and Co KG
Original Assignee
Werner Kammann Maschinenfabrik GmbH and Co KG
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 Werner Kammann Maschinenfabrik GmbH and Co KG filed Critical Werner Kammann Maschinenfabrik GmbH and Co KG
Priority to AT86111681T priority Critical patent/ATE57871T1/de
Publication of EP0213578A2 publication Critical patent/EP0213578A2/fr
Publication of EP0213578A3 publication Critical patent/EP0213578A3/de
Application granted granted Critical
Publication of EP0213578B1 publication Critical patent/EP0213578B1/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
    • B41F5/00—Rotary letterpress machines
    • B41F5/04—Rotary letterpress machines for printing on webs
    • B41F5/06—Rotary letterpress machines for printing on webs with several printing units in sequential arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/008—Mechanical features of drives, e.g. gears, clutches
    • B41F13/012—Taking-up backlash

Definitions

  • the invention relates to a rotary multi-color printing press, which is provided with a central drive gear and with a plurality of printing stations, each of which has an inking unit, a plate roller and a counter-pressure roller, and each plate roller of the printing stations assigned to the central drive gear via a non-rotatable element with the plate roller connected gear is driven, which is in engagement with the central drive gear, and the drive for the respectively associated counter-pressure roller is derived from the drive of the plate roller if necessary.
  • Machines of this type which can be, for example, flexographic printing machines, are used for printing web-like material.
  • the web to be printed is passed in the printing station between the plate roller and the counter-pressure roller.
  • the presence of a plurality of printing stations makes it possible to apply a plurality of colors in successive printing processes, it being possible for devices for drying the printing ink applied in the previous printing station to be present between the individual printing stations.
  • the pressure values are arranged along the movement path to be traversed by the material to be printed within the printing press.
  • the printing units are designed in such a way that not only the cog wheel of the printing plate roller but also the cog wheel of the counterpressure roller is engaged with the central drive gear. This has the consequence that when the cliché rollers are changed, if the diameter of the cliché rollers also changes, the cliché rollers not only have to be repositioned due to the changing center distances, but at least in some of the printing stations this is also necessary for the pressure cylinders . This complicates the conversion of the machine to different formats.
  • the position of both the printing plate roller and the counter-pressure roller changes, the length of the section of the material to be printed between two adjacent printing stations changes, with the result that further additional measures are required when adjusting the machine after a format change.
  • An embodiment is also known in which there is only a single central counter-pressure roller with a correspondingly large diameter, on the circumference of which the cliché rollers of the individual printing units are arranged.
  • Such a design of the printing press should take into account the fact that when printing on very thin material, eg. B. films from which carrier bags are made, this material is subjected to considerable strains when the usual printing units are used, in which each plate roller is assigned its own counter-pressure roller. If a large roller is used, the large contact area between the counter-pressure roller and the web means that there is less fear of stretching.
  • this is bought with the disadvantage that a large, central counter-pressure roller is extremely complex, especially since the jacket must be processed very precisely and the diameter must be kept dimensionally stable during printing.
  • the invention is based on a rotary multicolor printing machine of the type described in the introduction. It is based on the object of designing such a printing machine in such a way that the aforementioned disadvantages are avoided, in particular a quick and uncomplicated conversion to other formats is made possible by the fact that a Changing the position of the platen roller is avoidable.
  • the invention proposes that a parallel crank mechanism is arranged between the cliché roller and the spur gear driving it, which meshes with the central drive gear, which has no play in the direction of rotation, and a gearwheel is fixedly arranged on the shaft of the cliché roller which is meshed with a gear on the shaft of the counter-pressure roller.
  • This configuration avoids the need to change the position of the counter-pressure roller when changing the format. Rather, it is sufficient to adapt the inking unit to the new position of the plate roller.
  • the length of the section of the web material to be printed between two printing stations can also remain unchanged when the format is changed, as a result of which the adjustment work required after a format change, in particular the positioning of the plate cylinder, is also simplified.
  • the exemplary embodiment shown in the drawing has four printing stations 10, 12, 14 and 16, by means of which a web 18 which runs continuously through the printing press is printed.
  • the individual printing units 10 to 16 are constructed in the same way.
  • Each printing unit has a plate roller 20 and a counter-pressure roller 22, between which the web 18 to be printed runs, the respective printing image being transferred from the plate roller 20 to the web 18.
  • each printing unit is provided with an inking unit which has an immersion roller 24 and an application roller 26.
  • the dipping roller 24 takes up the printing ink from a supply, which is then transferred to the application roller and is released by the latter to the plate roller.
  • the printing stations 10 to 16 are driven by a common central gear 28, which is set in rotation by a motor, not shown, about its axis 32 via a gear 30.
  • Each printing station 10 to 16 is assigned a gear 34 which meshes with the central gear 28.
  • the transmission of the torque from the gear wheel 34 to the shaft 36 carrying the plate roller 20 takes place with the interposition of a differential gear 38 and a parallel crank gear 40.
  • the differential gear 38 is attached to the machine frame 60.
  • the gear wheel 34 drives a hollow shaft 42 connected to the differential gear 38, within which a shaft 43 is arranged, which represents the output of the differential gear 38 and drives the parallel crank gear 40.
  • the differential gear 38 is used for the exact setting of the respectively assigned plate roller 20, so that all plate rollers 20 can be brought into the correct relative angular position, which vary from the position of the printed image applied by the respective plate roller to the position of the printed image originating from the respective other plate roller results.
  • the interposition of the parallel crank mechanism 40 in each printing station takes into account the fact that, depending on the length of the print image to be applied, plate rollers of different formats, i. H. different diameters can be used.
  • the parallel crank mechanism 40 is a machine element for the transmission of torques between axially offset shafts, the shaft misalignment being adapted to the respective requirements in terms of size and direction, that is to say it can be changed.
  • Parallel crank gear from Inkoma Maschinenbau can be used.
  • Parallel crank gearboxes are also available on the market in which there is no play in the direction of rotation of the gearbox.
  • the parallel crank gear 40 bridges the lateral distance between the shaft 36 of the plate roller 20 and the drive shaft 43 of the differential gear 38.
  • the latter is also free of play in the circumferential direction.
  • Cliché roller 20, applicator roller 26 and submersible roller 24 with ink supply and the other accessories are combined to form a unit 62 in such a way that they can be adjusted jointly, that is as a unit 62, depending on the diameter of the cliché roller. This means that the position of the pressure rollers 22 does not need to be changed even with changing plate rollers with different diameters.
  • a gear 44 is fixedly attached, which drives two gear wheels 46 and 48, of which the gear 46 is firmly attached to the shaft 50 carrying the counter-pressure roller 22 and the gear 48 is firmly attached to the shaft 52 carrying the application roller 26 is.
  • a gearwheel 56 is driven which is fixedly attached to the shaft 58 which carries the dipping roller 24.
  • the gear 46 assigned to the counter-pressure roller 22 can be connected to the shaft 50 with the interposition of a clutch, so that the connection between the spur gear 46 and counter-pressure roller 22 can be interrupted. This is possible if, for some reason, the counter-pressure roller 22 is not to be driven separately, but is to be taken along by the web to be printed.
  • the arrangement is made in the usual way so that the pitch circle of the gear 44 corresponds to the outer diameter of the plate roller 20, measured above the plate.
  • the pitch circles of the gear wheels 46 and 48 correspond to the outer diameters of the respectively associated rollers 22 and 26.
  • the gear 28 is axially offset from the printing stations 10 to 16 to such an extent that it is located in front of or behind the printing stations, the area which is traversed by the web 18 to be printed is in any case easily accessible from one side.
  • this arrangement enables the parallel crank mechanism to be attached in a particularly simple manner with regard to the power transmission.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Color Printing (AREA)
  • Control Of Electric Motors In General (AREA)
  • Toys (AREA)
  • Printing Methods (AREA)

Claims (2)

1. Rotative pour l'impression polychrome, comportant une roue dentée centrale d'entraînement (28) et plusieurs systèmes d'impression (10, 12, 14, 16) ayant chacun un système d'encrage, un rouleau d'impression (20) et un rouleau d'appui antagoniste (22), dans laquelle chaque rouleau d'impression (20) des systèmes d'impression (10, 12, 14, 16) associés à la roue dentée centrale d'entraînement (28) est entraîné par l'intermédiaire d'une roue dentée (34) qui est solidaire en rotation du rouleau d'impression (20) et qui est en prise sur la roue dentée centrale d'entraînement (28), l'entraînement de chaque rouleau d'appui antagoniste (22) étant pris en cas de besoin sur l'entraînement du rouleau d'impression correspondant (20), caractérisée en ce qu'elle comporte un système réglable de vilebrequin parallèle, disposé entre le rouleau d'impression (20) et la roue dentée (34) solidaire en rotation avec ce rouleau et en prise sur la roue dentée centrale d'entraînement (28), et en ce qu'elle comporte en outre sur l'arbre (36) du rouleau d'impression (20) une roue dentée (44) clavetée sur cet arbre et en prise avec une autre roue dentée (46) qui est clavetée sur l'arbre (50) du rouleau d'appui antagoniste (22).
2. Rotative selon la revendication 1, caractérisée en ce qu'elle comporte un différentiel (38) disposé entre la roue d'entraînement commune (28) et chacun des rouleaux d'impression (20) entraînés par celle-ci.
EP86111681A 1985-08-31 1986-08-22 Rotative pour l'impression polychrome Expired - Lifetime EP0213578B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86111681T ATE57871T1 (de) 1985-08-31 1986-08-22 Rotations-mehrfarben-druckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3531193 1985-08-31
DE19853531193 DE3531193A1 (de) 1985-08-31 1985-08-31 Rotations-mehrfarben-druckmaschine

Publications (3)

Publication Number Publication Date
EP0213578A2 EP0213578A2 (fr) 1987-03-11
EP0213578A3 EP0213578A3 (en) 1988-01-27
EP0213578B1 true EP0213578B1 (fr) 1990-10-31

Family

ID=6279868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86111681A Expired - Lifetime EP0213578B1 (fr) 1985-08-31 1986-08-22 Rotative pour l'impression polychrome

Country Status (5)

Country Link
US (1) US4864927A (fr)
EP (1) EP0213578B1 (fr)
AT (1) ATE57871T1 (fr)
CA (1) CA1307420C (fr)
DE (2) DE3531193A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3920821C2 (de) * 1989-06-24 1994-01-27 Heidelberger Druckmasch Ag Format-Mehrfachverstellantrieb für eine Bogenrotationsdruckmaschine
US5770907A (en) * 1995-08-14 1998-06-23 Itt Automotive Electrical Systems, Inc. Windshield wiper motor for use in a vehicle and method for manufacturing
US5616182A (en) * 1995-12-04 1997-04-01 Itt Automotive Electrical Systems, Inc. Method and apparatus for wiping a windshield
US6040667A (en) * 1995-12-12 2000-03-21 Valeo Elecrical Systems, Inc. System and method for driving wipers in a windshield wiper system
US6070529A (en) * 1999-03-31 2000-06-06 Stevens International, Inc. Printing press with registration control
DE10103632B4 (de) * 2001-01-27 2013-08-22 Manroland Web Systems Gmbh Rollenrotationsdruckmaschine
JP4702916B2 (ja) * 2001-03-05 2011-06-15 株式会社ミヤコシ 輪転印刷機
ES2261370T3 (es) * 2001-07-17 2006-11-16 Giuseppe Mazzotti Prensa de impresion multicolor de bandas longitudinales.
US8038432B2 (en) * 2003-10-23 2011-10-18 Mazzarolo Ivonis M Method of manufacturing thermoformed plastic articles and drink cup lid made by such method
US8628319B2 (en) 2002-07-29 2014-01-14 Ivma Holdings Company Apparatus for manufacturing thermoformed plastic articles
US20070034629A1 (en) * 2003-10-22 2007-02-15 Mazzarolo Ivonis M Method of manufacturing thermoformed plastic articles and drink cup lid made by such method
EP2146850B1 (fr) * 2007-05-01 2012-07-11 Goss International Americas, Inc. Presse pour imprimer différentes longueurs de bandes et son procédé
US8544385B2 (en) * 2008-05-15 2013-10-01 Goss International Americas, Inc. Printing press with different fixed cutoffs and method
US20110192297A1 (en) * 2010-02-11 2011-08-11 Mikhail Laksin Printing system having a raised image printing cylinder
US9199446B2 (en) * 2010-06-25 2015-12-01 Global Web Finishing, Llc Coating apparatus and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2084281A (en) * 1935-08-10 1937-06-15 Meisel Press Mfg Company Printing press
US2560774A (en) * 1946-02-16 1951-07-17 Luttenauer Carlos Driving and adjusting means for printing rollers in web printing machines
US2690121A (en) * 1949-02-24 1954-09-28 Champlain Company Inc Rotary printing press with interchangeable printing cylinder
US2619033A (en) * 1949-12-10 1952-11-25 Lembo Frank Cylinder drive and adjusting means for rotary printing machines
DE1056573B (de) * 1955-03-11 1959-05-06 Heino Klemm Walzen-Druckmaschine fuer Textilbahnen
DE1229549B (de) * 1962-07-18 1966-12-01 Windmoeller & Hoelscher Anilindruckmaschine mit einem Hauptantrieb und einem die Tauchwalze antreibenden Hilfs-motor
US3179045A (en) * 1963-12-12 1965-04-20 Arthur J Evers Web feed mechanism for rotary multicolor printing press
DE2312175C2 (de) * 1973-03-12 1975-04-30 Fischer & Krecke, 4800 Bielefeld Registerverstellung der Form- bzw. Plattenzylinder an Rotationsdruckmaschinen mit Zentralzylinder
US3869983A (en) * 1973-08-27 1975-03-11 John R Garber Variable repeat-length web printing press
US4019434A (en) * 1976-04-01 1977-04-26 Mosstype Corporation Mounting-proofing machine for flexographic plates
US4210481A (en) * 1978-11-14 1980-07-01 Njm, Inc. Labeling machines
DE3150833C2 (de) * 1981-12-22 1983-12-22 Windmöller & Hölscher, 4540 Lengerich Flexodruckmaschine
DE3315891C2 (de) * 1983-05-02 1985-06-13 Windmöller & Hölscher, 4540 Lengerich Druckmaschine

Also Published As

Publication number Publication date
US4864927A (en) 1989-09-12
DE3531193A1 (de) 1987-03-12
DE3675295D1 (de) 1990-12-06
DE3531193C2 (fr) 1990-07-05
EP0213578A3 (en) 1988-01-27
ATE57871T1 (de) 1990-11-15
CA1307420C (fr) 1992-09-15
EP0213578A2 (fr) 1987-03-11

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