EP0453843B1 - Vorrichtung zur Steuerung von Greifern in Bogenrotationsdruckmaschinen - Google Patents

Vorrichtung zur Steuerung von Greifern in Bogenrotationsdruckmaschinen Download PDF

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Publication number
EP0453843B1
EP0453843B1 EP91105473A EP91105473A EP0453843B1 EP 0453843 B1 EP0453843 B1 EP 0453843B1 EP 91105473 A EP91105473 A EP 91105473A EP 91105473 A EP91105473 A EP 91105473A EP 0453843 B1 EP0453843 B1 EP 0453843B1
Authority
EP
European Patent Office
Prior art keywords
cam
grippers
bearing pin
gripper
control
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
EP91105473A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0453843A3 (en
EP0453843A2 (de
Inventor
Christoph Stanco
Heinrich Ochs
Kurt Difflipp
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
Publication of EP0453843A2 publication Critical patent/EP0453843A2/de
Publication of EP0453843A3 publication Critical patent/EP0453843A3/de
Application granted granted Critical
Publication of EP0453843B1 publication Critical patent/EP0453843B1/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
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers

Definitions

  • the invention relates to a device for controlling grippers in sheet-fed rotary printing machines according to the preamble of the first claim.
  • the disadvantage is that the cam rollers are not exactly 180 degrees apart ⁇ due to manufacturing and assembly errors in a sheet-guiding cylinder with two rows of grippers on the circumference, but this is absolutely necessary for half-revolving cylinders, i.e. those with two rows of grippers .
  • the consequence of this is that the grippers of one or both rows of grippers open too early or too late.
  • Such errors in the geometry have a disadvantageous effect on a register-based transfer of printed sheets from one printing unit to the next one.
  • the object of the invention is to develop a device of the type mentioned at the outset in such a way that the circumferential position of the cam rollers can be set exactly to one another at a 180.degree.
  • the advantage of the invention is that the register-based transfer of printed sheets from one printing unit to the next following is no longer impaired by incorrect adjustment deviating from 180 ° of the cam rollers on the circumference of the double-sized sheet-guiding cylinder is because the circumferential position of the cam rollers can be set exactly to each other at a 180 ° turn angle ⁇ (semicircle).
  • arc-guiding cylinder 1 is shown, on which diametrically opposed gripper shafts 14 are provided, on which gripper fingers 2 are mounted by means of gripper holders 18.
  • the gripper shaft 14 of the first row of grippers is rotatably mounted on the sheet-guiding cylinder 1, which is double-sized compared to the plate cylinder, not shown.
  • On the gripper shaft 14 are across the width of the arc-guiding cylinder 1, the gripper consisting of gripper holder 18 and gripper finger 2 by means of gripper spring 19 with a non-positive connection.
  • the grippers are generally known and are not the subject of the invention.
  • the grippers are controlled by a cam drive 7, 8, 11, which consists of a fixed, e.g. consists of a piece of control cam 11, a cam roller 7 and a roller lever 8.
  • At least one cam roller 7 is provided, the center line 16 of which can be displaced relative to the axis of the gripper shaft 14 in such a way that the center distance changes.
  • Each roller lever 8 is fixed on the associated gripper shaft 14.
  • the contact of the cam rollers 7 with the control cam 11 is ensured by a compression spring 20 acting against the roller lever 8.
  • the cam mechanism 7, 8, 11 enables a direct transfer of the cam law of the control cam 11 to the gripper fingers 2 of the two gripper rows.
  • a cam roller 7 can be adjusted from its position T1 to the position T2.
  • a stepped bearing pin 5 with a coaxial section 9 is preferably accommodated in the bearing bore 6 of the roller lever 8 assigned to the cam roller 7.
  • an eccentric pin 12 is provided, on which the cam roller 7 is freely rotatably received.
  • a coaxial pin with a fine thread 13 is attached to the offset bearing pin 5, on which a locking nut 10 is provided.
  • the offset bearing pin 5 can be rotated from the outside and the set position can be secured by means of the locking nut 10 by pressing the offset bearing pin 5 on the end of the roller lever 8 by means of the locking nut 10.
  • the center line 16 of the cam roller 7 moves around the center line 15 of the bearing bore 6 by ⁇ ⁇ from T2 to T1, as a result of which the change in the center distance of the cam roller 7, i.e. the center line 16 to the fixed pivot axis of the gripper shaft 14 is effected.
  • the displacement of the cam roller 7 is not limited to the exemplary embodiment with the eccentric adjustment described, but can also be achieved by a displaceable mounting of a bearing pin 5 in the roller lever 8 and a corresponding adjustment option or, if appropriate, also by an eccentric or displaceable mounting of the roller lever 8 on the gripper shaft 14.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Discharge By Other Means (AREA)
  • Labeling Devices (AREA)
  • Advancing Webs (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
EP91105473A 1990-04-26 1991-04-06 Vorrichtung zur Steuerung von Greifern in Bogenrotationsdruckmaschinen Expired - Lifetime EP0453843B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4013261A DE4013261C1 (enrdf_load_stackoverflow) 1990-04-26 1990-04-26
DE4013261 1990-04-26

Publications (3)

Publication Number Publication Date
EP0453843A2 EP0453843A2 (de) 1991-10-30
EP0453843A3 EP0453843A3 (en) 1992-02-26
EP0453843B1 true EP0453843B1 (de) 1994-06-15

Family

ID=6405102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91105473A Expired - Lifetime EP0453843B1 (de) 1990-04-26 1991-04-06 Vorrichtung zur Steuerung von Greifern in Bogenrotationsdruckmaschinen

Country Status (7)

Country Link
US (1) US5110109A (enrdf_load_stackoverflow)
EP (1) EP0453843B1 (enrdf_load_stackoverflow)
JP (1) JP2566690B2 (enrdf_load_stackoverflow)
AT (1) ATE107228T1 (enrdf_load_stackoverflow)
BR (1) BR9101677A (enrdf_load_stackoverflow)
DE (2) DE4013261C1 (enrdf_load_stackoverflow)
ES (1) ES2055936T3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4023629B2 (ja) * 1996-02-19 2007-12-19 カーベーアー−ジオリ ソシエテ アノニム 枚葉紙印刷機用圧胴
DE19618029B4 (de) * 1996-05-04 2006-07-27 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Beseitigung von rhytmischen Passerfehlern in Bogendruckmaschinen mit mehrfachgroßen Zylindern

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4318003Y1 (enrdf_load_stackoverflow) * 1965-03-23 1968-07-25
US3463484A (en) * 1967-07-12 1969-08-26 Planeta Veb Druckmasch Werke Sheet gripping control mechanism for printing machines
US3606308A (en) * 1969-06-20 1971-09-20 Miller Printing Machinery Co Sheet gripping device
JPS5113804U (enrdf_load_stackoverflow) * 1974-04-30 1976-01-31
DD143152A1 (de) * 1979-06-01 1980-08-06 Helmut Schoene Greifersteuerung an zylindern von bogenverarbeitenden maschinen,insbesondere druckmaschinen
CS207440B1 (en) * 1979-10-15 1981-07-31 Arnost Cerny Facility for transferring the sheets
DD201422A1 (de) * 1981-10-12 1983-07-20 Hans Johne Bogengreifersystem
JPS5866946U (ja) * 1981-10-31 1983-05-07 三菱重工業株式会社 枚葉印刷機における爪調整装置
JPH0418852Y2 (enrdf_load_stackoverflow) * 1986-12-20 1992-04-27
DD278549A1 (de) * 1988-12-27 1990-05-09 Polygraph Leipzig Einrichtung zum verstellen einer greifereinrichtung

Also Published As

Publication number Publication date
US5110109A (en) 1992-05-05
DE59101915D1 (de) 1994-07-21
JP2566690B2 (ja) 1996-12-25
EP0453843A3 (en) 1992-02-26
EP0453843A2 (de) 1991-10-30
ATE107228T1 (de) 1994-07-15
BR9101677A (pt) 1991-12-10
ES2055936T3 (es) 1994-09-01
JPH04226357A (ja) 1992-08-17
DE4013261C1 (enrdf_load_stackoverflow) 1991-06-20

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