EP0453843A2 - Dispositif de contrôle de pinces pour machines rotatives d'impression à feuilles - Google Patents

Dispositif de contrôle de pinces pour machines rotatives d'impression à feuilles Download PDF

Info

Publication number: EP0453843A2
Authority: EP; European Patent Office
Prior art keywords: gripper; cam; roller; bearing pin; pin
Prior art date: 1990-04-26
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

EP91105473A

Other languages

German (de)

English (en)

Other versions

EP0453843B1 (fr

EP0453843A3 (en

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.)

1990-04-26

Filing date

1991-04-06

Publication date

1991-10-30

1991-04-06 Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG

1991-10-30 Publication of EP0453843A2 publication Critical patent/EP0453843A2/fr

1992-02-26 Publication of EP0453843A3 publication Critical patent/EP0453843A3/de

1994-06-15 Application granted granted Critical

1994-06-15 Publication of EP0453843B1 publication Critical patent/EP0453843B1/fr

2011-04-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

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.
a disadvantage is that the cam rollers due to manufacturing and assembly errors in a sheet-guiding cylinder with two rows of grippers at the periphery not exactly o 180 envelope angle ⁇ from each other are removed, such as but at schtourigen cylinders, that such is required with two rows of grippers, necessarily .
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 further develop a device of the aforementioned type so that the peripheral position of the cam followers to each other exactly ⁇ to 180 o envelope angle is adjustable.
the advantage of the invention is that the in-register transfer of the printed sheets from one printing unit to the next not faulty adjustment deviating from 180 ° of the cam rollers on the circumference of the double-sized sheet-conveying cylinder affects more is because the circumferential position of the cam rollers can be set exactly to each other at 180 o 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).
the gripper consisting of gripper holder 18 and gripper finger 2 are arranged 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.
a cam roller 7 is at least provided, whose center line 16 is displaceable to the axis of the gripper shaft 14 such that the axial 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 the cam law of the control cam 11 to be directly transferred 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 rotated freely.
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 against 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 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 setting option or, if necessary, also by 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)
Inking, Control Or Cleaning Of Printing Machines (AREA)
Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Labeling Devices (AREA)
Advancing Webs (AREA)

EP91105473A 1990-04-26 1991-04-06 Dispositif de contrôle de pinces pour machines rotatives d'impression à feuilles Expired - Lifetime EP0453843B1 (fr)

Applications Claiming Priority (2)

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

Publications (3)

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

Family

ID=6405102

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91105473A Expired - Lifetime EP0453843B1 (fr)	1990-04-26	1991-04-06	Dispositif de contrôle de pinces pour machines rotatives d'impression à feuilles

Country Status (7)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100438111B1 (ko) *	1996-02-19	2004-07-16	드라루지오리에쓰.에이.	매엽지(枚葉紙)인쇄기용압동(壓胴)
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 (fr) *	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 (fr) *	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 (fr) *	1986-12-20	1992-04-27
DD278549A1 (de) *	1988-12-27	1990-05-09	Polygraph Leipzig	Einrichtung zum verstellen einer greifereinrichtung

1990
- 1990-04-26 DE DE4013261A patent/DE4013261C1/de not_active Expired - Lifetime
1991
- 1991-04-06 AT AT91105473T patent/ATE107228T1/de not_active IP Right Cessation
- 1991-04-06 ES ES91105473T patent/ES2055936T3/es not_active Expired - Lifetime
- 1991-04-06 DE DE59101915T patent/DE59101915D1/de not_active Expired - Fee Related
- 1991-04-06 EP EP91105473A patent/EP0453843B1/fr not_active Expired - Lifetime
- 1991-04-24 JP JP3093914A patent/JP2566690B2/ja not_active Expired - Lifetime
- 1991-04-25 BR BR919101677A patent/BR9101677A/pt not_active IP Right Cessation
- 1991-04-26 US US07/692,286 patent/US5110109A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0453843B1 (fr)	1994-06-15
ES2055936T3 (es)	1994-09-01
BR9101677A (pt)	1991-12-10
EP0453843A3 (en)	1992-02-26
JPH04226357A (ja)	1992-08-17
ATE107228T1 (de)	1994-07-15
US5110109A (en)	1992-05-05
DE4013261C1 (fr)	1991-06-20
JP2566690B2 (ja)	1996-12-25
DE59101915D1 (de)	1994-07-21

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1991-09-13	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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