EP0919379B1 - Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine - Google Patents

Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine Download PDF

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Publication number
EP0919379B1
EP0919379B1 EP98121101A EP98121101A EP0919379B1 EP 0919379 B1 EP0919379 B1 EP 0919379B1 EP 98121101 A EP98121101 A EP 98121101A EP 98121101 A EP98121101 A EP 98121101A EP 0919379 B1 EP0919379 B1 EP 0919379B1
Authority
EP
European Patent Office
Prior art keywords
sheet
gripper device
trailing edge
conveying cylinder
downstream
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
EP98121101A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0919379A1 (de
Inventor
Willi Becker
Andreas Dr. Fricke
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 EP0919379A1 publication Critical patent/EP0919379A1/de
Application granted granted Critical
Publication of EP0919379B1 publication Critical patent/EP0919379B1/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
    • B41F21/106—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine
    • B41F21/108—Combinations of transfer drums and grippers for reversing sheets, e.g. for perfecting machine with pneumatic means

Definitions

  • the invention relates to a method and an apparatus for transferring the Trailing edge of a sheet in a turning device Sheet-fed rotary printing machine according to the preamble of claims 1 and 11.
  • the suction gripper is inserted into the periphery of the downstream arch-guiding cylinder on a trochoidal track. Due to the transfer of the inside of the periphery The trailing edge of the sheet as well as the complexity of the gear used is with the described turning device a passable handover, especially at high production speeds, not possible. Furthermore, tend at device described the bow, especially in larger Paper weights, due to centrifugal force in their suction cups from Printing cylinder lifted off rear part to form a bulge, which one appropriate takeover by the following gripper devices additionally stands in the way.
  • DE-PS 38 29 626 C2 describes a sheet-fed rotary printing press with one Turning device, in which the Trailing edge of sheet by one from the periphery of a subordinate suction cup from the upstream swiveling cylinder Impression cylinder is lifted off.
  • the suction pad under the periphery of the downstream arc-guiding cylinder becomes the movement of the suction cup in the manner controlled by a gear that the bow against the direction of rotation of the downstream sheet-guiding cylinder be tightened.
  • the object of the invention is to achieve a method and a method Device for transferring the trailing edge of a printed sheet in one To create turning device of a sheet-fed rotary printing machine, which the Avoid disadvantages of the prior art and a passport and accurate register transfer of the trailing edge of the sheet even at high Production speeds as well as when processing large Ensure substrate thicknesses.
  • Die Sheet lifting means 12 can, for example, by one or more in the 2a to 2c and 3a to 3d, from the periphery 16 of the Subordinate arc-guiding cylinder 8 swing-out suction pad 18th be formed, as described for example in DE 38 29 626 C2.
  • the suction gripper 18 for transferring the Trailing edge 2 several machine angle degrees, for example 10 - 40 ° away from one between the turning centers 20a and 20b of the upstream and subordinate arc-guiding cylinders 4, 8 imaginary connecting line 22 out of the periphery 16 of the downstream sheet-guiding cylinder 8 and up to the periphery 24 of the upstream sheet-guiding cylinder 4 swung up where he trailed the 2 on the upstream sheet-guiding cylinder 4 guided sheet 6 grips.
  • the upstream sheet-guiding cylinder 4 can be, for example, an impression cylinder Printing unit, the one in relation to the associated plate cylinder and / or blanket cylinder has a double large diameter.
  • Swinging out the suction pad 18 in the figures in the area in front of the imaginary connecting line 22 is shown, this can also be done in the same way Passing the connecting line 22, i. H. in the area of the lower half of the 2a-2c, and 3a-3c, respectively.
  • 2a to 2c illustrated preferred embodiment of the invention is the Gripper device 14 preferably by a known, not by a shown cam gear pivotable about an axis of rotation 30 Gripper device formed, in which the one sheet holding surface 28a on one Gripper fingers 32 and the second sheet holding surface 28b on the gripper support 34 Gripper device 14 are formed.
  • the grasp from the peripheral 16 of the downstream arc-guiding cylinder 8 extended first and second Sheet holding surfaces 28a, 28b the rear edge 2 of the sheet 6 outside the Periphery 16 of the downstream sheet-guiding cylinder 8, while the The rear edge 2 of the sheet 6 is held taut by the suction gripper 18.
  • the Grip the sheet trailing edge 2 through the sheet holding surfaces 28a, 28b, or the Takeover of the trailing edge 2 of the suction pads 18 by the Sheet holding surfaces 28a, 28b of the gripper device 14 are preferably carried out on or in the area of one between the peripheries 16, 24 of the cylinders 4, 8 extending line 36 which is perpendicular to the the centers of rotation 20a, 20b of the Cylinder 4, 6 connecting imaginary line 22 is arranged. Because of Simplification, line 36 is referred to below as the tangent line, although strictly speaking they are in the center of the between the two Surfaces of the cylinders 6 and 8 formed gap, which for example, can have a gap width of several 1/10 mm. While the transfer of the sheet trailing edge 2 to the sheet holding surfaces 28a, 28b are the sheet holding surfaces and suction pads 18 with respect to the downstream cylinder 8 preferably at rest.
  • the transfer of the trailing edge 2 results outside the periphery 16 of the downstream sheet-guiding cylinder 8, in particular on or in the region of the tangent line 36 the advantage that the Transfer of the sheet trailing edge 2 to the sheet holding surfaces 28a, 28b of the Gripper device 14 until the release of the leading edge of the sheet associated gripper device of the upstream cylinder almost none Relative movements between the sheet holding surfaces 28a, 28b and Occur trailing edge 2. This has a negative impact on the Transfer register excluded in perfect and reverse printing.
  • the gripper device 14 after grabbing the trailing edge 2 and releasing the Front edge of the sheet pivoted back about the axis 30 that the Sheet trailing edge 2 holding sheet holding surfaces 28a, 28b before passing through the Line 22 into the periphery 16 of the downstream sheet-guiding cylinder 8 be reduced.
  • the pivoting of the gripper device 14 around the Axis 30 is preferably such that the sheet holding surfaces 28a, 28b essentially always in the direction of the bow leading from the upstream Cylinder 4 arc section 40 extending towards the gripper device 14 point. This ensures that the sheet-holding surfaces 28a, 28b held rear trailing edge 2 is not bent in a disadvantageous manner.
  • the gripper device 14 transfers the Back trailing edge 2 to another gripper device 42, the for example as one within the peripheral 16 of the downstream arc-guiding cylinder 8 arranged pivotable Pliers gripper device can be formed.
  • the further gripper device 42 can also have angled sheet holding surfaces 44a, 44b, and is at a further rotation of the cylinders 4, 8 preferably in that shown in Fig. 2d Way pivoted such that the trailing edge 2 after pivoting directly in the area of the periphery 16 of the downstream sheet-guiding Cylinder 8 runs.
  • the trailing edge 2 of the sheet Sheet 6 then in a known manner one not shown conventional gripper device of a further subordinate sheet-guiding cylinder, for example an impression cylinder in one subordinate printing unit to be handed over.
  • Figs. 3a to 3c illustrated embodiment of the Invention can the gripper device of the downstream Sheet guide cylinder 8 immediately known as a Pliers gripper device 114, which preferably has ball-shaped sheet holding surfaces 128a and 128b.
  • a Pliers gripper device 114 which preferably has ball-shaped sheet holding surfaces 128a and 128b.
  • the pliers gripper device 114 of the subordinate arc-guiding cylinder 8 for example by means of a not shown, on the gripper shaft 152 of the pliers gripper device 114 attacking swivel drive from the periphery 16 of the downstream arc-guiding cylinder 8 retractable.
  • the gripper device 114 Immediately after gripping the trailing edge 2 of the sheet 6 by the Sheet holding surfaces 128a, 128b of the gripper device 114 and after the Release of the leading edge of the sheet by the unspecified Gripper device, the gripper device 114 is in the direction of Arrow 150b in the periphery 16 of the downstream sheet leading Cylinder 8 retracted so that there is no collision Gripper device 114 with the surface of the upstream sheet-guiding Cylinder 4 comes when the trailing edge 2 holding Gripper device 114, the connecting line 22 between the turning centers 20a, 20b the cylinder 4, 8 happens.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
EP98121101A 1997-11-28 1998-11-06 Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine Expired - Lifetime EP0919379B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752680A DE19752680A1 (de) 1997-11-28 1997-11-28 Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine
DE19752680 1997-11-28

Publications (2)

Publication Number Publication Date
EP0919379A1 EP0919379A1 (de) 1999-06-02
EP0919379B1 true EP0919379B1 (de) 2002-07-03

Family

ID=7850033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98121101A Expired - Lifetime EP0919379B1 (de) 1997-11-28 1998-11-06 Verfahren und Vorrichtung zur Übergabe der Hinterkante eines Bogens in einer Wendeeinrichtung einer Bogenrotationsdruckmaschine

Country Status (7)

Country Link
US (1) US6089157A (cs)
EP (1) EP0919379B1 (cs)
JP (1) JPH11221905A (cs)
CN (1) CN1161232C (cs)
CZ (1) CZ292401B6 (cs)
DE (2) DE19752680A1 (cs)
RU (1) RU2211149C2 (cs)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011436A1 (de) * 1999-05-27 2000-11-30 Heidelberger Druckmasch Ag Vorrichtung zum Halten eines Bogens auf einem an der Wendung beteiligten Zylinder einer Bogen verarbeitenden Maschine
DE10102080B4 (de) * 2001-01-18 2014-03-06 Heidelberger Druckmaschinen Ag Einrichtung zur Wendung flächiger Exemplare in einer bogenverarbeitenden Rotationsdruckmaschine
US6739252B2 (en) * 2001-07-30 2004-05-25 Heidelberger Druckmaschinen Ag Method and apparatus for reversing sheet material in sheet-processing machines
DE10253788A1 (de) * 2001-12-10 2003-06-18 Heidelberger Druckmasch Ag Vorrichtung zur Zufuhr von Saugluft oder Blasluft in einer bogenverarbeitenden Maschine
AUPS061402A0 (en) * 2002-02-19 2002-03-14 Tna Australia Pty Limited A device to aid packaging items
EP1352738A3 (en) * 2002-04-08 2004-08-04 Komori Corporation Sheet guide apparatus
DE102004030142A1 (de) * 2004-06-22 2006-01-19 Heidelberger Druckmaschinen Ag Verfahren zum sicheren Betrieb einer Druckmaschine und Druckmaschine zur Durchführung des Verfahrens
US7412927B2 (en) 2004-06-22 2008-08-19 Heidelberger Druckmaschinen Ag Printing machine with gripper retraction mechanism for safe operation of the printing machine
DE102007005016A1 (de) * 2006-02-27 2007-08-30 Heidelberger Druckmaschinen Ag Vorrichtung zum Transport von Bogen mittels einer Greifereinrichtung
DE102009000435B4 (de) 2009-01-27 2021-01-28 Koenig & Bauer Ag Bogenhaltesystem in Wendetrommeln von Druckmaschinen
DE102010006783A1 (de) 2009-03-09 2010-09-16 Heidelberger Druckmaschinen Ag Vorrichtung zum Fördern eines Bogens auf einer Mantelfläche einer um eine Rotationsachse drehbar gelagerten Übertragungstrommel
JP2013241265A (ja) * 2012-04-25 2013-12-05 Komori Corp シート反転装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537391A (en) * 1967-10-18 1970-11-03 Miller Printing Machinery Co Sheet handling apparatus and method for multicolor perfector press
DE1810589A1 (de) * 1968-11-23 1970-05-27 Koenig & Bauer Schnellpressfab Antrieb fuer Zangengreifer
US3654861A (en) * 1970-04-06 1972-04-11 Planeta Veb Druckmasch Werke Sheet carrier cylinder for use in a polychrome rotary printing press adapted for both one-side and two-side printing
DD110452A1 (cs) * 1974-03-21 1974-12-20
US4018161A (en) * 1975-03-25 1977-04-19 Veb Polygraph Leipzig Kombinat Fur Polygraphische Maschinen Und Ausrustungen Printing machine with sheet-transfer arrangement
DD158882A1 (de) * 1981-05-05 1983-02-09 Wilfried Kuehn Bogenhaltesystem in bogenuebertragungszylindern
US4928586A (en) * 1987-02-16 1990-05-29 Kormori Printing Machinery Co., Ltd. Sheet reversing unit for sheet printing press
DE3710257A1 (de) * 1987-03-28 1988-10-13 Heidelberger Druckmasch Ag Bogen-rotationsdruckmaschine zur herstellung von einseitigem mehrfarbendruck oder schoen- und widerdruck
DE3717093A1 (de) * 1987-05-21 1988-12-08 Heidelberger Druckmasch Ag Bogen-rotationsdruckmaschine zur herstellung von einseitigem mehrfarbendruck oder schoen- und widerdruck
DE3829626A1 (de) * 1988-09-01 1990-03-15 Roland Man Druckmasch Bogen-rotationsdruckmaschine fuer schoen- und widerdruck
US5762333A (en) * 1994-08-31 1998-06-09 Komori Corporation Sheet reversing apparatus for sheet-fed rotary press with reversing mechanism
DE19617544C1 (de) * 1996-05-02 1997-04-30 Kba Planeta Ag Wendetrommel mit einem Antrieb für einen Wendegreifer

Also Published As

Publication number Publication date
JPH11221905A (ja) 1999-08-17
CZ302798A3 (cs) 1999-06-16
DE59804646D1 (de) 2002-08-08
CN1218741A (zh) 1999-06-09
RU2211149C2 (ru) 2003-08-27
DE19752680A1 (de) 1999-06-02
CZ292401B6 (cs) 2003-09-17
CN1161232C (zh) 2004-08-11
EP0919379A1 (de) 1999-06-02
US6089157A (en) 2000-07-18

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