EP0265803B1 - Device for transferring in register sheets between printing units of a multi-colour printing machine - Google Patents

Device for transferring in register sheets between printing units of a multi-colour printing machine Download PDF

Info

Publication number
EP0265803B1
EP0265803B1 EP87115208A EP87115208A EP0265803B1 EP 0265803 B1 EP0265803 B1 EP 0265803B1 EP 87115208 A EP87115208 A EP 87115208A EP 87115208 A EP87115208 A EP 87115208A EP 0265803 B1 EP0265803 B1 EP 0265803B1
Authority
EP
European Patent Office
Prior art keywords
flank
carriage
gripper
flanks
catch
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
EP87115208A
Other languages
German (de)
French (fr)
Other versions
EP0265803A2 (en
EP0265803A3 (en
Inventor
Roland Höll
Dietrich Dettinger
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
Priority to AT87115208T priority Critical patent/ATE77305T1/en
Publication of EP0265803A2 publication Critical patent/EP0265803A2/en
Publication of EP0265803A3 publication Critical patent/EP0265803A3/en
Application granted granted Critical
Publication of EP0265803B1 publication Critical patent/EP0265803B1/en
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
    • B41F21/08—Combinations of endless conveyors and grippers

Definitions

  • the invention relates to a device for accurate sheet transfer between the printing units of a multi-color printing machine according to the preamble of the first claim.
  • the object of the invention is to develop catch forks for a two-stage axial alignment of gripper carriages.
  • the advantage of the invention is, in particular, that the gripper car can be axially pre-aligned by the same catch fork and then axially, tangentially and radially aligned.
  • the gripper car can be axially pre-aligned by the same catch fork and then axially, tangentially and radially aligned.
  • the axial pre-alignment due to the calmed enema that takes place in two stages, i.e. The axial pre-alignment, the desired play-free guidance over a longer period of time and deviations of the gripper carriage from its target position are gently eliminated.
  • Fig. 1 the machine overview is shown in which the sheet transport system is used between the printing units I and II.
  • the gripper carriages 3 are guided on rails 12 and are driven by endless chains 4.
  • the sheet is transported after printing in the printing unit I from the take-up drum 5 to the feed drum 6 in the printing unit II.
  • the catch fork 11 is rigidly connected to the feed drum 6 and rotates with it. It grasps the gripper carriage 3 on its cam roller 10 and presses it outward, so that the rollers 9 of the gripper carriage 3 are pressed against the running rail 12 without play.
  • the side stand of the printing press is identified by 13.
  • Fig. 3 the connection between the chain 4 and the gripper carriage 3 is shown.
  • the drive roller 8 on the chain 4 engages in the backdrop 7 of the gripper carriage 3 like a sliding block.
  • the catch fork 11 For an axial alignment of the gripper carriage 3 in two stages, the catch fork 11 according to FIG. 4 has a first flank 16 slightly below the dimension a of a second flank 15.
  • the undersize of the flank 16 is a - 0.05 mm for a pre-alignment and the flank 15 has the exact dimension a for a suitable sheet transfer.
  • An entry zone 14 is provided to absorb radial shocks.
  • Hardened guide plates 17, 18, in which the catch forks 11 are guided, are also provided in a slot of the gripper carriage 3.
  • the flanks 15, 16 of different strengths, in cooperation with the hardened guide plates 17, 18, achieve a calmed, wear-free inlet. Additional means for the axial alignment of the gripper carriage are no longer provided, as has always been necessary up to now.

Landscapes

  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Color Electrophotography (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Handling Of Cut Paper (AREA)

Abstract

A device the for in-register transfer of sheets and for the conveyance thereof between the printing units of a multi-color press by means of gripper carriages that move on rails and which are driven by an endless chain and which are aligned on the delivery and feed cylinders by rotating drive forks and that cooperate with a cam roller carried by the carriage. For joint axial and radial alignment with quiet entry the drive fork has leading and trailing flanks of different thicknesses and the flanks are guided into engagement with the cam roller by hardened guide plates in the gripper carriage. The leading flank is undersized and the second flank has the dimension necessary for establishing proper registration of the carriage.

Description

Die Erfindung betrifft eine Vorrichtung zur paßgenauen Bogenübergabe zwischen den Druckeinheiten einer Mehrfarbendruckmaschine nach dem Oberbegriff des ersten Patentanspruches.The invention relates to a device for accurate sheet transfer between the printing units of a multi-color printing machine according to the preamble of the first claim.

Vorrichtung genannter Art sind allgemein bekannt und z.B. in der CH-PS 653 614 beschrieben. Nachteilig ist, daß eine separate Ausrichtung z.B. durch einen in einen Schlitz am Greiferwagen einlaufenden Paßzahn gemäß CH-PS 483 926 zusätzlich vorgesehen werden muß, um die Greiferwagen kurz vor ihrer Starrsetzung auch axial registerhaltig ausrichten zu können. Hinzu kommt das Problem des Einlaufens in den Schlitz am Greiferwagen, wo Abweichungen des Greiferwagens gegenüber der Sollage schlagartig beseitigt werden.Devices of the type mentioned are generally known and e.g. in CH-PS 653 614. It is disadvantageous that a separate alignment e.g. must be additionally provided by a fitting tooth according to CH-PS 483 926 entering a slot on the gripper carriage in order to be able to align the gripper carriage axially in register shortly before they are set. In addition, there is the problem of running into the slot on the gripper carriage, where deviations of the gripper carriage from the target position are abruptly eliminated.

Aufgabe der Erfindung ist es, Fanggabeln für eine zweistufige axiale Ausrichtung von Greiferwagen weiterzubilden.The object of the invention is to develop catch forks for a two-stage axial alignment of gripper carriages.

Diese Aufgabe wird gemäß dem Kennzeichen des ersten Patentanspruches gelöst.This object is achieved according to the characterizing part of the first claim.

Der Vorteil der Erfindung besteht insbesondere darin, daß die Greiferwagen durch die gleiche Fanggabel axial vorausrichtbar und danach axial, tangential und radial paßgerecht ausrichtbar sind. Außerdem bleibt durch den in zwei Stufen erfolgenden beruhigten Einlauf, d.h. durch die axiale Vorausrichtung, die angestrebte spielfreie Führung über längere Zeit erhalten und Abweichungen des Greiferwagens gegenüber seiner Sollage werden sanft beseitigt.The advantage of the invention is, in particular, that the gripper car can be axially pre-aligned by the same catch fork and then axially, tangentially and radially aligned. In addition, due to the calmed enema that takes place in two stages, i.e. The axial pre-alignment, the desired play-free guidance over a longer period of time and deviations of the gripper carriage from its target position are gently eliminated.

Die Erfindung wird anhand einer Zeichnung nachfolgend in einem Ausführungsbeispiel näher erläutert.The invention is explained in more detail below in an exemplary embodiment with reference to a drawing.

Es zeigen:

Fig. 1
eine Maschinenübersicht mit Druckeinheit I und II und einem Bogentransport- bzw. -übergabesystem,
Fig. 2
einen Greiferwagen auf Schienen im Übergabebereich einer Zuführtrommel,
Fig. 3
eine erfindungsgemäße Fanggabel-Anordnung und die Kulissenverbindung der Kette zum Greiferwagen,
Fig. 4
die Fanggabel als Einzelheit.
Show it:
Fig. 1
a machine overview with printing units I and II and a sheet transport or transfer system,
Fig. 2
a gripper carriage on rails in the transfer area of a feed drum,
Fig. 3
a catch fork arrangement according to the invention and the link connection of the chain to the gripper carriage,
Fig. 4
the catch fork as a detail.

In Fig. 1 wird die Maschinenübersicht gezeigt, in der zwischen den Druckeinheiten I und II das Bogentransportsystem zum Einsatz kommt. Die Greiferwagen 3 sind auf Schienen 12 geführt und werden von endlosen Ketten 4 angetrieben. Der Bogentransport erfolgt nach dem Druck in der Druckeinheit I von der Abnahmetrommel 5 zur Zuführtrommel 6 in der Druckeinheit II.In Fig. 1 the machine overview is shown in which the sheet transport system is used between the printing units I and II. The gripper carriages 3 are guided on rails 12 and are driven by endless chains 4. The sheet is transported after printing in the printing unit I from the take-up drum 5 to the feed drum 6 in the printing unit II.

In der Fig. 2 ist die Führung des Greiferwagens 3 im Bereich der Bogenübergabe gezeigt. Die Fanggabel 11 ist starr mit der Zuführtrommel 6 verbunden und läuft mit ihr um. Sie erfaßt den Greiferwagen 3 an dessen Kurvenrolle 10 und drückt ihn nach außen, so daß die Laufrollen 9 des Greiferwagens 3 spielfrei an die Laufschiene 12 angedrückt werden. Mit 13 ist der Seitenständer der Druckmaschine gekennzeichnet.2 shows the guidance of the gripper carriage 3 in the area of the sheet transfer. The catch fork 11 is rigidly connected to the feed drum 6 and rotates with it. It grasps the gripper carriage 3 on its cam roller 10 and presses it outward, so that the rollers 9 of the gripper carriage 3 are pressed against the running rail 12 without play. The side stand of the printing press is identified by 13.

In Fig. 3 ist die Verbindung zwischen der Kette 4 und dem Greiferwagen 3 dargestellt. Die Antriebsrolle 8 an der Kette 4 greift wie ein Kulissenstein in die Kulisse 7 des Greiferwagens 3 ein.In Fig. 3 the connection between the chain 4 and the gripper carriage 3 is shown. The drive roller 8 on the chain 4 engages in the backdrop 7 of the gripper carriage 3 like a sliding block.

Für eine axiale Ausrichtung des Greiferwagens 3 in zwei Stufen besitzt die Fanggabel 11 gemäß Fig. 4 eine erste Flanke 16 geringfügig unter dem Maß a einer zweiten Flanke 15. Das Untermaß der Flanke 16 beträgt a - 0,05 mm für eine Vorausrichtung und die Flanke 15 weist das genaue Maß a für eine paßgerechte Bogenübergabe auf. Eine Einlaufzone 14 ist vorgesehen, um radiale Stöße aufzufangen. In einem Schlitz des Greiferwagens 3 sind ferner gehärtete Führungsplatten 17, 18 vorgesehen, in denen die Fanggabeln 11 geführt wird. Durch die unterschiedlich starken Flanken 15, 16 wird zugleich im Zusammenwirken mit den gehärteten Führungsplatten 17, 18 ein beruhigter verschleißarmer Einlauf erreicht. Zusätzliche Mittel zur axialen Ausrichtung des Greiferwagens sind nicht mehr vorgesehen, wie das bisher stets erforderlich war.For an axial alignment of the gripper carriage 3 in two stages, the catch fork 11 according to FIG. 4 has a first flank 16 slightly below the dimension a of a second flank 15. The undersize of the flank 16 is a - 0.05 mm for a pre-alignment and the flank 15 has the exact dimension a for a suitable sheet transfer. An entry zone 14 is provided to absorb radial shocks. Hardened guide plates 17, 18, in which the catch forks 11 are guided, are also provided in a slot of the gripper carriage 3. The flanks 15, 16 of different strengths, in cooperation with the hardened guide plates 17, 18, achieve a calmed, wear-free inlet. Additional means for the axial alignment of the gripper carriage are no longer provided, as has always been necessary up to now.

BezugszeichenlisteReference symbol list

11
Druckwerk IPrinting unit I
22nd
Druckwerk IIPrinting unit II
33rd
GreiferwagenGrab car
44th
KettenChains
55
AbnahmetrommelAcceptance drum
66
ZuführtrommelFeed drum
77
KulisseBackdrop
88th
AntriebsrolleDrive roller
99
LaufrollenCasters
1010th
KurvenrollenCurve rolls
1111
FanggabelCatch fork
1212
Schienerail
1313
SeitenständerSide stand
1414
EinlaufzoneEntry zone
1515
zweite Flankesecond flank
1616
erste Flankefirst flank
1717th
gehärtete Führungsplattehardened guide plate
1818th
gehärtete Führungsplattehardened guide plate

Claims (2)

  1. Transfer and transport device for sheets between the print units (1, 2) of a multicolour printing press by means of gripper carriages (3) movable on rails (12) which are driven via slide connections (7, 8) by endless chains (4) and which are aligned on the take-off (5) and feed drum (6) by circulating catch forks (11) and cam rolls (10) engaging in the catch forks (11), characterised in that one catch fork (11) per drum (5, 6) has differentially thick flanks (15, 16) and that the flanks (15, 16) are guided against hardened guide plates (17, 18) in the gripper carriage (3).
  2. Device according to Claim 1, characterised in that the first flank (16) has a reduced dimension and the second flank (15) is provided with the dimension a for a register correct sheet transfer.
EP87115208A 1986-10-28 1987-10-17 Device for transferring in register sheets between printing units of a multi-colour printing machine Expired - Lifetime EP0265803B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87115208T ATE77305T1 (en) 1986-10-28 1987-10-17 DEVICE FOR ACCURATE SHEET TRANSFER BETWEEN THE PRINTING UNITS OF A MULTICOLOR PRINTING PRESS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863636578 DE3636578A1 (en) 1986-10-28 1986-10-28 DEVICE FOR A FIT-ACCURATE SHEET TRANSFER BETWEEN THE PRINTING UNITS OF A MULTICOLOR PRINTING MACHINE
DE3636578 1986-10-28

Publications (3)

Publication Number Publication Date
EP0265803A2 EP0265803A2 (en) 1988-05-04
EP0265803A3 EP0265803A3 (en) 1989-11-29
EP0265803B1 true EP0265803B1 (en) 1992-06-17

Family

ID=6312601

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115208A Expired - Lifetime EP0265803B1 (en) 1986-10-28 1987-10-17 Device for transferring in register sheets between printing units of a multi-colour printing machine

Country Status (6)

Country Link
US (1) US4852491A (en)
EP (1) EP0265803B1 (en)
JP (1) JPS63134243A (en)
AT (1) ATE77305T1 (en)
BR (1) BR8705892A (en)
DE (2) DE3636578A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH023828U (en) * 1988-06-13 1990-01-11
DE3936345C1 (en) * 1989-11-02 1991-03-07 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
JP2767638B2 (en) * 1989-12-05 1998-06-18 松下電器産業株式会社 Manufacturing method of stamper for optical disk
DE4131887C1 (en) * 1991-09-25 1993-01-07 Man Roland Druckmaschinen Ag, 6050 Offenbach, De
NL1006150C2 (en) * 1997-05-28 1998-12-01 Stork X Cel Bv Printing method, printing device, as well as assembly of printing device and input unit.
DE102004050725B4 (en) * 2004-10-19 2017-04-20 manroland sheetfed GmbH Method for transporting sheet material and processing machine thereto
DE102006051279A1 (en) * 2006-10-31 2008-05-08 Man Roland Druckmaschinen Ag Device and method for finishing sheet-shaped substrates
US11091235B2 (en) 2018-06-07 2021-08-17 Hobie Cat Ip, Llc Retractable hull mounting data collecting system
DE102019123579B4 (en) * 2019-09-03 2022-12-08 Koenig & Bauer Ag Device for transporting sheets in a sheet processing machine

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR993436A (en) * 1949-06-21 1951-10-31 Improvement in rotary sheet printing machines
US3389657A (en) * 1966-06-02 1968-06-25 Koenig & Bauer Schnellpressfab Apparatus for transferring sheets in register within a printing press
CH483926A (en) * 1968-02-28 1970-01-15 Roland Offsetmaschf Device for hand-fitting sheet transfer to printing units
US3654814A (en) * 1970-09-08 1972-04-11 Moscow K Richmond Sprocket
US4174642A (en) * 1978-02-09 1979-11-20 Gehl Company Chain drive including sprocket having alternate wide and narrow teeth
SU766896A1 (en) * 1978-07-07 1980-09-30 Всесоюзный Научно-Исследовательский Институт Полиграфического Машиностроения Sheet feeder
DE8034521U1 (en) * 1980-12-24 1981-05-27 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach DEVICE FOR LOW-VIBRATION BOW TRANSFER BETWEEN PRINTING WORKS ON MULTI-COLOR PRINTING MACHINES
DE3115916A1 (en) * 1981-04-22 1982-11-11 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen SPROCKET, ESPECIALLY FOR CONVEYOR AND EXTRACTION PLANTS IN MINING ENTERPRISES

Also Published As

Publication number Publication date
US4852491A (en) 1989-08-01
DE3636578A1 (en) 1988-05-19
EP0265803A2 (en) 1988-05-04
DE3636578C2 (en) 1990-09-20
ATE77305T1 (en) 1992-07-15
EP0265803A3 (en) 1989-11-29
BR8705892A (en) 1988-05-31
DE3779864D1 (en) 1992-07-23
JPS63134243A (en) 1988-06-06

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