EP0194559A2 - Surface d'appui réglable en hauteur pour pinces de tambour de retournement dans les machines d'impression à retiration - Google Patents

Surface d'appui réglable en hauteur pour pinces de tambour de retournement dans les machines d'impression à retiration Download PDF

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Publication number
EP0194559A2
EP0194559A2 EP86102831A EP86102831A EP0194559A2 EP 0194559 A2 EP0194559 A2 EP 0194559A2 EP 86102831 A EP86102831 A EP 86102831A EP 86102831 A EP86102831 A EP 86102831A EP 0194559 A2 EP0194559 A2 EP 0194559A2
Authority
EP
European Patent Office
Prior art keywords
gripper
height
adjustable
reversible
drum
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.)
Granted
Application number
EP86102831A
Other languages
German (de)
English (en)
Other versions
EP0194559A3 (en
EP0194559B1 (fr
Inventor
Paul Abendroth
Roland Höll
Josef Mathes
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 AT86102831T priority Critical patent/ATE53538T1/de
Publication of EP0194559A2 publication Critical patent/EP0194559A2/fr
Publication of EP0194559A3 publication Critical patent/EP0194559A3/de
Application granted granted Critical
Publication of EP0194559B1 publication Critical patent/EP0194559B1/fr
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

Definitions

  • the invention relates to height-adjustable gripper pads for reversible drum grippers in reversing drums of perfecting and reverse printing machines according to the preamble of patent claim 1.
  • 1,208,731) or an eccentric bushing can in principle be transferred to turning drums; due to the structural and functional features of the two correlatively interacting gripper systems of a turning drum, in particular the high torsional deformation of the swivel shaft with large printing widths and minimal free spaces for the gripper systems that oppose each other swing towards or away from each other, but so far no possibilities have become known for functionally integrating the known height adjustments into the gripper systems of a turning drum.
  • the invention has for its object to design the gripper pads for reversible drum grippers in reversible drums of perfecting and reverse printing machines to be height-adjustable in order to expand the area of application of the reversible drums to all types of paper and cardboard.
  • the advantages achieved by the invention are, in particular, that the individual gripper pads are encapsulated in relation to one another: aligned, play-free, height-adjustable, without additional space being required for height adjustment, and without the large torsional deformations of the swivel shaft, particularly with large pressure widths, being disadvantageous can affect the accuracy of the setting. It is precisely these effects that are important when adjusting the height of the gripper pads for reversible drum grippers in reversing drums of large and wide printing presses, the swivel shafts of which are driven by cam-actuated levers, which asymmetrically introduce particularly high torsional forces from one side.
  • Fig. 1 shows schematically the sheet travel in perfecting for a sheet-fed rotary printing press in which two double printing units 8 are connected in series.
  • the sheet 1 which is already printed on one side, is guided away from the gripper carriage 2 via the feed drum or suction air drum 3 until the sheet end is in the turning position. In this position, the end of the sheet is now gripped by the first gripper system 4 of the turning drum 5 and transferred to the second gripper system 6 of the turning drum 5 during further transport.
  • the sheet 1 is guided by the gripper carriage 2 until the gripper opening curve, in the sheet outlet below, releases the sheet.
  • the previous beginning of the sheet now becomes the end of the sheet. During the continuation of the sheet, this is transferred from the turning drum 5 to the top guide drum 7.
  • the sheet to the printing cylinder of the second double printing unit 8 (not shown), where the reverse printing takes place. If you switch to straight printing, the sheet 1 runs directly from the feed drum 3 via the turning drum 5, which now functions as an intermediate drum and then via the top guide drum 7 to the second Double printing unit 8. There is no sheet transfer within the turning drum 5, since only one gripper system, the straight printing system, is used.
  • reversible drum grippers 11 are combined in a known manner on a gripper shaft 9, which can be controlled by a gripper actuation mechanism (not shown) and is rotatably mounted in a gripper shaft bracket, also not shown, relative to a pivot shaft 10.
  • the turning drum grippers 11 have interchangeable gripper tips 12 to which height-adjustable gripper supports 13 are assigned.
  • a support bracket 14 is attached to the pivot shaft 10, which has a projecting arm 15 which carries a return spring 16 which is rotatably fastened to a clamping piece 20 of the gripper shaft 9, the return spring 16 pressing the gripper tips 12 into contact with the height-adjustable gripper supports 13 .
  • a central adjusting shaft 17 is integrated in the pivot shaft 10.
  • the actuating shaft 17 has for each turning drum gripper 11 recesses 18 offset by 60 ° in the circumferential direction for at least three height adjustments of the gripper supports 13 of 0.3 mm, 6 mm and 0.9 mm, whereby a central adjusting wheel 19 rotates the setting shaft 17 in the Swivel shaft 10 a quick and accurate conversion of the turning drum 5 for different paper thicknesses or on cardboard can be done.
  • FIG. 4 The detail of a three-stage control curve is shown in FIG. 4.
  • the depressions 18 of the control shaft 17 remain on the set control planes 21, 22, 23 even in the event of strong torsional deformation of the pivot shaft 10, because the gripper pads 13 on the control planes 21, 22, 23, their camber radius r1, r2, r3 have their origin on the drive axis 24 of the pivot shaft 10, can only rotate centrically.
  • pins 26 on the gripper support are guided in height-adjustable manner in bores 25 of the swivel shaft 10 and are pressed against the positioning planes without play by spring elements 27, 28, 29, 31.
  • the spring member 27, 28, 29 consists of a spring 27, which encloses a rotationally symmetrical part of the gripper support 13 and is located between a bushing 28 fixed in the support holder 14 on a plate 30 and a movable bushing 29, which together with the gripper support 13 can slide in the support bracket 14 and the holes 25 of the pivot shaft 10.
  • Each gripper pad 13 is easily interchangeable by previously removing the plate 30.
  • the gripper tips 12 can also be easily replaced individually.
  • the encapsulated design of the height-adjustable gripper system of the turning drum 5 prevents contamination during operation and is easy to service.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Rotary Presses (AREA)
  • Paper (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
EP86102831A 1985-03-12 1986-03-04 Surface d'appui réglable en hauteur pour pinces de tambour de retournement dans les machines d'impression à retiration Expired - Lifetime EP0194559B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86102831T ATE53538T1 (de) 1985-03-12 1986-03-04 Hoehenverstellbare greiferauflagen fuer wendetrommelgreifer in wendetrommeln von schoenund widerdruckmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853508699 DE3508699A1 (de) 1985-03-12 1985-03-12 Hoehenverstellbare greiferauflagen fuer wendetrommelgreifer in wendetrommeln von schoen- und widerdruckmaschinen
DE3508699 1985-03-12

Publications (3)

Publication Number Publication Date
EP0194559A2 true EP0194559A2 (fr) 1986-09-17
EP0194559A3 EP0194559A3 (en) 1988-05-04
EP0194559B1 EP0194559B1 (fr) 1990-06-13

Family

ID=6264894

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86102831A Expired - Lifetime EP0194559B1 (fr) 1985-03-12 1986-03-04 Surface d'appui réglable en hauteur pour pinces de tambour de retournement dans les machines d'impression à retiration

Country Status (6)

Country Link
US (1) US4664032A (fr)
EP (1) EP0194559B1 (fr)
JP (1) JPS61211044A (fr)
AT (1) ATE53538T1 (fr)
BR (1) BR8601263A (fr)
DE (1) DE3508699A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275882A3 (en) * 1987-01-22 1989-12-13 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Conveying device for a sheet-fed rotary printing machine
EP1688961A1 (fr) * 2005-02-04 2006-08-09 Framatome ANP GmbH Dispositif de préhension d'un composant d'un réacteur nucléaire

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3738674A1 (de) * 1987-10-12 1989-04-20 Koenig & Bauer Ag Bogenrotationsdruckmaschine, die von schoendruck auf schoen- und widerdruck umstellbar ist
DE4004352C1 (fr) * 1990-02-13 1991-06-06 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
US5142305A (en) * 1991-03-04 1992-08-25 Eastman Kodak Company Apparatus for clamping and ejecting a receiver in a printing operation
US5122811A (en) * 1991-03-04 1992-06-16 Eastman Kodak Company Method and apparatus for printing with a reduced print-cycle time
DE9408714U1 (de) * 1994-05-27 1994-07-21 Man Roland Druckmaschinen Ag, 63069 Offenbach Vorrichtung zur Verstellung der Greiferaufschlagleiste für Bogengreifer in einer Wendetrommel einer Schön- und Widerdruckmaschine
DE4433998A1 (de) * 1994-09-23 1996-04-04 Roland Man Druckmasch Bogenführende Trommel für Rotationsdruckmaschinen
DE4434624C2 (de) * 1994-09-28 1997-11-20 Heidelberger Druckmasch Ag Vorrichtung zur Passerkorrektur und zum Ausgleich verspannter Bogen im Anleger einer Bogenrotationsdruckmaschine
DE19611124B4 (de) * 1996-03-21 2012-07-26 Heidelberger Druckmaschinen Ag Bogenübertragungseinrichtung einer Bogenrotationsdruckmaschine
DE102008021905A1 (de) * 2007-05-25 2008-11-27 Heidelberger Druckmaschinen Ag Zentrierbuchse

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1208731A (en) * 1916-04-06 1916-12-19 Miehle Printing Press & Mfg Adjustable gripper-pad.
US1271329A (en) * 1916-04-14 1918-07-02 Miehle Printing Press & Mfg Adjustable gripper-pad.
DE812431C (de) * 1949-12-13 1951-08-30 Johannisberg G M B H Maschf Einstellbare Greiferunterlagen an Schwinganlagen von Bogendruckmaschinen
US2757610A (en) * 1952-03-18 1956-08-07 Miller Printing Machinery Co Sheet handling mechanism and method for multi-color perfector press
US3332345A (en) * 1965-05-24 1967-07-25 Improved Products Company Sheet alignment apparatus
US3385597A (en) * 1967-01-16 1968-05-28 Miller Printing Machinery Co Sheet holding and transfer apparatus
DE2613174C3 (de) * 1976-03-27 1981-03-19 Koenig & Bauer AG, 8700 Würzburg Vorrichtung zur Steuerung von Greifern in Bogenrotationsdruckmaschinen
JPS584671Y2 (ja) * 1980-01-08 1983-01-26 リョービ株式会社 オフセット印刷機における胴張りシ−トの取付装置
DE3011365A1 (de) * 1980-03-25 1981-10-01 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Verschwenkbare bogengreifervorrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0275882A3 (en) * 1987-01-22 1989-12-13 M.A.N.-Roland Druckmaschinen Aktiengesellschaft Conveying device for a sheet-fed rotary printing machine
EP1688961A1 (fr) * 2005-02-04 2006-08-09 Framatome ANP GmbH Dispositif de préhension d'un composant d'un réacteur nucléaire

Also Published As

Publication number Publication date
DE3508699C2 (fr) 1988-06-09
JPH0443510B2 (fr) 1992-07-16
DE3508699A1 (de) 1986-09-25
US4664032A (en) 1987-05-12
BR8601263A (pt) 1986-12-02
EP0194559A3 (en) 1988-05-04
ATE53538T1 (de) 1990-06-15
EP0194559B1 (fr) 1990-06-13
JPS61211044A (ja) 1986-09-19

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