EP0353652A2 - Dispositif supplémentaire pour montage sur une machine d'impression offset - Google Patents

Dispositif supplémentaire pour montage sur une machine d'impression offset Download PDF

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Publication number
EP0353652A2
EP0353652A2 EP89113987A EP89113987A EP0353652A2 EP 0353652 A2 EP0353652 A2 EP 0353652A2 EP 89113987 A EP89113987 A EP 89113987A EP 89113987 A EP89113987 A EP 89113987A EP 0353652 A2 EP0353652 A2 EP 0353652A2
Authority
EP
European Patent Office
Prior art keywords
additional device
cylinder
forme cylinder
gear
offset
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
EP89113987A
Other languages
German (de)
English (en)
Other versions
EP0353652B1 (fr
EP0353652A3 (fr
Inventor
Andreas Wilke
Max Wolgschaft
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.)
Rena Informationstechnik & Co KG GmbH
Original Assignee
Rena Informationstechnik & Co KG GmbH
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 Rena Informationstechnik & Co KG GmbH filed Critical Rena Informationstechnik & Co KG GmbH
Publication of EP0353652A2 publication Critical patent/EP0353652A2/fr
Publication of EP0353652A3 publication Critical patent/EP0353652A3/fr
Application granted granted Critical
Publication of EP0353652B1 publication Critical patent/EP0353652B1/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
    • B41F7/00—Rotary lithographic machines
    • B41F7/02—Rotary lithographic machines for offset printing
    • B41F7/08—Rotary lithographic machines for offset printing using one transfer cylinder co-operating with several forme cylinders for printing on sheets or webs, e.g. sampling of colours on one transfer cylinder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/10—Forme cylinders
    • B41F13/12—Registering devices
    • B41F13/14—Registering devices with means for displacing the cylinders

Definitions

  • the invention relates to an additional device for mounting on an offset printing press, which has at least one forme cylinder, a blanket cylinder (offset cylinder) and an impression cylinder, the additional device being provided with a further forme cylinder, which is equipped via a gearwheel with a suitably equipped, on the blanket cylinder attached gear of the offset printing machine can be brought into engagement.
  • Such additional devices are known. They are used to retrofit a normal printing press intended only for single-color printing so that a further printing ink can be applied. Offset printing machines that are intended for multi-color printing are generally relatively complicated and expensive, and there is also a need to produce multi-color printing, often only after a single-color printing machine is available.
  • the object of the invention is to avoid these disadvantages and to provide an add-on device or additional device which can be attached to existing offset printing presses and in which the printed image can be adjusted in a particularly simple manner and which can be attached to the printing press without disassembling it.
  • the forme cylinder of the additional device is adjustable along its axis and in the circumferential direction. This ensures that the print image generated by the additional device can be adjusted exactly with respect to the print image of the offset printing press.
  • the gearwheel attached to the blanket cylinder and the gearwheel arranged on the forme cylinder of the additional device and which can be brought into engagement with the former each have helical teeth. This enables one axial displacement of the drive gear of the forme cylinder of the additional device also carry out an adjustment in the circumferential direction.
  • the gear wheel which can be fastened on the blanket cylinder of the offset printing press consists of at least two segments. This enables the gear to be fixed in the offset printing machine without removing the blanket cylinder, i. H. So that the offset printing machine does not have to be disassembled when attaching the additional device.
  • the gear segments expediently have an annular groove, into which a reinforcing ring consisting of segments is inserted and fastened, the segment ends of which are arranged offset with respect to the segment ends of the gear.
  • a side register which serves to shift the forme cylinder of the additional device in the axial direction.
  • a longitudinal register is provided according to the invention, through which the forme cylinder can be adjusted in the circumferential direction.
  • This longitudinal register is arranged at the end of the forme cylinder opposite the side register and has an axis of rotation which, via a gear transmission, brings about the axial displacement of a disk which rests on the drive gear of the forme cylinder and engages it against the force of springs axially displaces relative to the forme cylinder, the torque of the drive gear being transmitted by axially parallel bolts from the drive gear to the body of the forme cylinder.
  • brackets attached to the additional device on its housing are provided, which have bores which are aligned with existing threaded bores on the upper side of the frame of the offset printing press.
  • Such threaded holes are made by the manufacturer there to enable screwing in of hooks or a lifting device.
  • the offset printing press 1 shows in known manner, a printing unit driven by gears, that consists essentially of a forme cylinder 3, a blanket cylinder 4 and an inking unit 5.
  • the forme cylinder 3 serves to receive and fix the printing film.
  • the print image of this printing film is transferred after application of the printing ink during rotation from the form cylinder 3 to the blanket cylinder 4 and then printed during the same printing cycle on a printing material passed between the blanket cylinder 4 and an impression cylinder (not shown).
  • the additional device has a further forme cylinder 6 which is mounted in the housing 7 of the additional device. It is provided with paint in a known manner on various rollers.
  • the ink fountain roller 8 transfers the ink from an ink fountain 9 via an ink lifter 10 via ink fountain pens 11 and ink application rollers 12 to the forme cylinder 6.
  • a water basin 14 via a dampening roller 13, a dampening lifter 15, a dampening roller 16 and a dampening application roller 17 Transfer moisture to the forme cylinder 6.
  • An essential feature of the invention can now be seen in the fact that the forme cylinder 6 is driven by a drive gear 18 which is fixedly connected to it and which has helical teeth. This helical toothing engages in the helical toothing of a drive gear 19 which is mounted on the front side of the blanket cylinder 4 of the offset printing press 1.
  • the drive gear 19 is constructed from several, in the exemplary embodiment shown, from two circular segments 19A, 19B, as can be seen in particular from FIG. 2.
  • the forme cylinder 6 is adjustable along its axis by a side register 21.
  • a longitudinal register 22 enables displacement of the drive gear 18 relative to the forme cylinder 6 to rotate it in the circumferential direction, relative to the blanket cylinder of the offset printing press. Details of the two registers will be described later.
  • the additional device according to the invention can be fastened to the housing 1 of the offset printing machine via brackets 23 which are fastened to its housing 7.
  • brackets 23 have in their upper part a hinge joint 24 with which they are articulated to the actual fastening part 25.
  • In this fastening part 25 are Bores are provided which are aligned with threaded bores already provided in the upper part of the frame of the offset printing press 1. These threaded holes are in themselves intended for the use of hooks which serve to lift and transport the machine.
  • screws 26 are screwed into these bores, with which fastening parts 25 of the bracket 23 of the additional device can be fastened.
  • the gear 18 is thus relative to the cylinder body, i. H. moved to the forme cylinder 6 so that it undergoes a slight rotation in the circumferential direction as a result of the helical teeth.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
EP89113987A 1988-08-02 1989-07-28 Dispositif supplémentaire pour montage sur une machine d'impression offset Expired - Lifetime EP0353652B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8809859U DE8809859U1 (de) 1988-08-02 1988-08-02 Zusatzeinrichtung zum Anbau an eine Offset-Druckmaschine
DE8809859U 1988-08-02

Publications (3)

Publication Number Publication Date
EP0353652A2 true EP0353652A2 (fr) 1990-02-07
EP0353652A3 EP0353652A3 (fr) 1991-07-03
EP0353652B1 EP0353652B1 (fr) 1994-09-21

Family

ID=6826567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89113987A Expired - Lifetime EP0353652B1 (fr) 1988-08-02 1989-07-28 Dispositif supplémentaire pour montage sur une machine d'impression offset

Country Status (4)

Country Link
EP (1) EP0353652B1 (fr)
JP (1) JPH0280248A (fr)
AT (1) ATE111806T1 (fr)
DE (2) DE8809859U1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452535A1 (fr) * 1990-04-02 1991-10-23 Iwasaki Tekko Kabushiki Kaisha Presse à impression multiple
EP1162064A3 (fr) * 2000-06-07 2005-04-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif pour le réglage fin de la position d'un cylindre de plaque pour le répérage d' images multicolores
CN100379556C (zh) * 2006-02-24 2008-04-09 汕头市华盛塑料包装实业有限公司 锥面容器印刷机快速同轴调版装置
DE102008009203B4 (de) 2007-03-02 2019-04-25 Heidelberger Druckmaschinen Ag Druckmaschine mit verstellbaren Schmitzringen und Verfahren zum aktiven Gegeneinanderverdrehen von Zylinderpaaren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598414A (en) * 1946-04-19 1952-05-27 Addressograph Multigraph Pivotal frame mounting structure for offset printing machine cylinders
FR1528114A (fr) * 1966-07-29 1968-06-07 Addressograph Multigraph Procédé d'impression en offset en deux couleurs
CH577383A5 (fr) * 1973-08-27 1976-07-15 Schulz Juergen
US4043214A (en) * 1976-04-13 1977-08-23 Glen Edgar Westlake Sprocket, gear or pulley with interchangeable rim
DD128407B1 (de) * 1976-07-02 1986-02-26 Polygraph Leipzig Registereinstellvorrichtung fuer formzylinder von rotationsdruckmaschinen
DE7634679U1 (de) * 1976-10-30 1977-02-17 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Vorrichtung an rotationsdruckmaschinen zum einstellen des seiten- und des umfangsregisters
JPS587653U (ja) * 1981-07-09 1983-01-18 リョービ株式会社 オフセット印刷機の画像位置調整装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0452535A1 (fr) * 1990-04-02 1991-10-23 Iwasaki Tekko Kabushiki Kaisha Presse à impression multiple
EP1162064A3 (fr) * 2000-06-07 2005-04-27 Kabushiki Kaisha Tokyo Kikai Seisakusho Dispositif pour le réglage fin de la position d'un cylindre de plaque pour le répérage d' images multicolores
CN100379556C (zh) * 2006-02-24 2008-04-09 汕头市华盛塑料包装实业有限公司 锥面容器印刷机快速同轴调版装置
DE102008009203B4 (de) 2007-03-02 2019-04-25 Heidelberger Druckmaschinen Ag Druckmaschine mit verstellbaren Schmitzringen und Verfahren zum aktiven Gegeneinanderverdrehen von Zylinderpaaren

Also Published As

Publication number Publication date
EP0353652B1 (fr) 1994-09-21
EP0353652A3 (fr) 1991-07-03
ATE111806T1 (de) 1994-10-15
JPH0280248A (ja) 1990-03-20
DE58908393D1 (de) 1994-10-27
DE8809859U1 (de) 1988-09-15

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