EP0384127B1 - Vorrichtung zur Umfangsregisterverstellung in einer Bogenrotationsdruckmaschine - Google Patents

Vorrichtung zur Umfangsregisterverstellung in einer Bogenrotationsdruckmaschine Download PDF

Info

Publication number
EP0384127B1
EP0384127B1 EP90101142A EP90101142A EP0384127B1 EP 0384127 B1 EP0384127 B1 EP 0384127B1 EP 90101142 A EP90101142 A EP 90101142A EP 90101142 A EP90101142 A EP 90101142A EP 0384127 B1 EP0384127 B1 EP 0384127B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
printing unit
rubber
plate cylinder
axle
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
EP90101142A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0384127A2 (de
EP0384127A3 (de
Inventor
Walter D'heureuse
Martin Greive
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0384127A2 publication Critical patent/EP0384127A2/de
Publication of EP0384127A3 publication Critical patent/EP0384127A3/de
Application granted granted Critical
Publication of EP0384127B1 publication Critical patent/EP0384127B1/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
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/08—Cylinders
    • B41F13/24—Cylinder-tripping devices; Cylinder-impression adjustments
    • B41F13/34—Cylinder lifting or adjusting devices
    • B41F13/36—Cams, eccentrics, wedges, or the like
    • 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 a device for circumferential register adjustment in a sheet-fed rotary printing press, which has generic features according to the preamble of claim 1.
  • a plate cylinder and a rubber cylinder are adjusted in their phase position. This adjustment thus causes a relative movement between the printing plate of the plate cylinder and the sheet in or against the sheet travel direction.
  • differential gears for example planetary gears, or axially displaceable gearwheels with helical teeth are known in order to enable the adjustment while the machine is running, but only in a relatively small area.
  • gear drives with at least two intermediate gears are known in particular, which can be moved together with their bearings and thus enable a circumferential register adjustment.
  • the storage of the intermediate gears is correspondingly unstable in such designs.
  • a circumferential register setting can also be made, if necessary, by the adjustment of the front marks if the paper run makes this possible.
  • the cheapest and most common adjustment device acts via gear wheels that can be rotated in their phase position relative to the cylinder, which are released for adjustment and locked again after the adjustment Need to become.
  • Such devices for circumferential register adjustment can only be operated when the machine is at a standstill. Readjustments therefore require frequent stopping and restarting of the machine, which requires a relatively large amount of time and a lot of waste.
  • the invention solves this problem by features according to the characterizing part of claim 1 in conjunction with the aforementioned generic features.
  • the circumferential register adjustment consists partly of the pivoting movement of the plate cylinder and additionally of a rotation by the drive gear in the same direction. This twist results from the meshing of the idler gear with the pressure cylinder. With a very small swivel movement, a circumferential register adjustment can be carried out to a sufficient extent, for example in a range of approximately 5 mm.
  • the main advantage of training with the features of the invention is that the pivoting of the frame for the purpose of adjusting the circumferential register can take place while the machine is running, so that the machine does not have to be stopped for adjusting the circumferential register.
  • the features of the invention are advantageously used in a sheet-fed rotary printing press with a main printing unit and a satellite printing unit which has plate cylinders driven by an intermediate wheel from the printing cylinder of the master cylinder.
  • the satellite printing unit is arranged in the machine frame so as to be pivotable about an axis which, in accordance with the features of claim 1, at the intersection of a straight connecting line through the Axis of the plate cylinder in the satellite printing unit and through the axis of the rubber cylinder in the main printing unit and a straight connecting line through the axis of the intermediate gear for driving the plate cylinder in the satellite printing unit and the axis of the printing cylinder in the main printing unit.
  • the frame of the satellite printing unit is mounted on a swivel axis which lies at the intersection of the axes mentioned, and is also supported in a horizontally movable manner, but this support is height-adjustable in order to carry out the swivel movement mentioned.
  • a spindle drive, an eccentric or the like is suitable as the simplest machine element for achieving such a height adjustment, but other, in particular motorized, means can also be provided for this height adjustment.
  • the device for adjusting the circumferential register is designed to adjust the pressure between the plate cylinder of the satellite printing unit and the rubber cylinder of the main printing unit when it is designed on a satellite printing unit.
  • the fulcrum of the frame of the satellite printing unit is slidably arranged on the bisector of the angle between the two straight connecting lines, as defined above. This shift can also take place during machine operation.
  • the idler wheel rotates slightly and rotates the plate cylinder of the satellite printing unit counterclockwise. A point on the lateral surface of the plate cylinder moves clockwise during this displacement relative to the rubber cylinder. The resulting twists are equal and thus cancel each other out.
  • FIGS. 1 and 2 only the plate cylinder 1, the blanket cylinder 2 and the printing cylinder 3 of a printing unit are shown.
  • the mechanically interlocking drive elements of these cylinders 1, 2 and 3 of the printing unit are not shown in the drawing for the sake of a better overview.
  • the plate cylinder 4 of the satellite printing unit is mounted in a frame 5, frame or the like, and is driven by an intermediate wheel 6, the toothing of which engages on the one hand in a toothing on the printing cylinder 3 and on the other hand in a toothing on the plate cylinder 4 of the satellite printing unit.
  • This intermediate wheel 6 is also rotatably mounted in the frame 5.
  • the frame 5 is in turn pivotable about an axis 7, for example about a bolt, which lies at the intersection of straight connecting lines 8 and 9.
  • the connecting line 8 runs through the axis 10 of the plate cylinder 4 of the satellite printing unit and through the axis 11 of the blanket cylinder, while the connecting line 9 through the axis 12 of the idler gear and through the axis 13 of the Printing cylinder is placed.
  • the frame 5 is also supported on a height-adjustable abutment 14 which, in the case of the example, is designed as a rotatable eccentric 14 in machine-fixed mounting. By rotating the eccentric in one or in the opposite direction, a pivoting movement of the frame about the pivot axis 7 can be achieved in order to carry out a circumferential register adjustment of the plate cylinder 4 with respect to the rubber cylinder 2.
  • the pivot bearing of the frame 5 with the axis 7 is linearly adjustable, this movement taking place on the bisector 15 of the angle between the two straight connecting lines 8 and 9.
  • This configuration enables the setting of the pressure between the plate cylinder 4 and the blanket cylinder 2, already explained above, in which a mutual cancellation of the influences of this adjustment movement on the circumferential register adjustment is achieved.
  • the slight rotational movement of the intermediate wheel 6 resulting from a displacement of the frame 5 on the bisector 15 leads to a rotational movement of the plate cylinder 4, but a point on the lateral surface of the plate cylinder 4 migrates in the opposite direction during this displacement relative to the rubber cylinder, so that both movements cancel each other out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP90101142A 1989-02-21 1990-01-20 Vorrichtung zur Umfangsregisterverstellung in einer Bogenrotationsdruckmaschine Expired - Lifetime EP0384127B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3905250 1989-02-21
DE3905250A DE3905250A1 (de) 1989-02-21 1989-02-21 Vorrichtung zur umfangsregisterverstellung in einer bogenrotationsdruckmaschine

Publications (3)

Publication Number Publication Date
EP0384127A2 EP0384127A2 (de) 1990-08-29
EP0384127A3 EP0384127A3 (de) 1991-03-27
EP0384127B1 true EP0384127B1 (de) 1994-03-30

Family

ID=6374562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101142A Expired - Lifetime EP0384127B1 (de) 1989-02-21 1990-01-20 Vorrichtung zur Umfangsregisterverstellung in einer Bogenrotationsdruckmaschine

Country Status (5)

Country Link
US (1) US4991505A (enrdf_load_stackoverflow)
EP (1) EP0384127B1 (enrdf_load_stackoverflow)
JP (1) JPH0753443B2 (enrdf_load_stackoverflow)
CA (1) CA2007113C (enrdf_load_stackoverflow)
DE (1) DE3905250A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508516A1 (de) * 1995-03-10 1996-09-12 Roland Man Druckmasch Registereinstellvorrichtung
DE19508517A1 (de) * 1995-03-10 1996-09-12 Roland Man Druckmasch Registereinstellvorrichtung
DE102007045876A1 (de) * 2007-09-25 2009-04-09 Gallus Druckmaschinen Gmbh Druckwerk und Druckmaschine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE574269C (de) * 1931-07-04 1933-04-11 Julius Fischer Fa Einstellvorrichtung fuer die Musterwalzen an Walzendruckmaschinen
US2024813A (en) * 1934-11-28 1935-12-17 Cottrell C B & Sons Co Convertible web printing press
US2633755A (en) * 1951-05-28 1953-04-07 Alsacienne Constr Meca Adjusting device of the drive of engraved rollers in rotary machines for the printing of textiles and the like
DE918627C (de) * 1952-02-19 1954-09-30 Albert Rapp Druckwalzenantrieb
US3098434A (en) * 1959-04-24 1963-07-23 Alsacienne Constr Meca Device for the adjustment or "correlating" of the engraved rollers in rotary printing machines
GB1154050A (en) * 1966-01-19 1969-06-04 Ricoh Kk A Printing Position Control Device in an Offset Printing Machine.
DE2264285A1 (de) * 1972-12-30 1974-07-04 Gerd Niederdraeing Zwischengetriebe fuer offset - druckmaschinen zur druckbild-hoehenverstellung bei laufender maschine
US4004509A (en) * 1975-08-01 1977-01-25 Mosstype Corporation Mounting-proofing machine
DE3405455C1 (de) * 1984-02-16 1985-08-14 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Umfangsregister-Einstellvorrichtung an Rotationsdruckmaschinen

Also Published As

Publication number Publication date
CA2007113C (en) 1994-07-12
JPH0753443B2 (ja) 1995-06-07
US4991505A (en) 1991-02-12
DE3905250A1 (de) 1990-08-23
DE3905250C2 (enrdf_load_stackoverflow) 1993-09-02
EP0384127A2 (de) 1990-08-29
EP0384127A3 (de) 1991-03-27
JPH02248251A (ja) 1990-10-04
CA2007113A1 (en) 1990-08-21

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