EP0264839B1 - Dispositif de commande pour le cylindre de retournement d'une rotative d'impression de feuilles - Google Patents

Dispositif de commande pour le cylindre de retournement d'une rotative d'impression de feuilles Download PDF

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Publication number
EP0264839B1
EP0264839B1 EP87115124A EP87115124A EP0264839B1 EP 0264839 B1 EP0264839 B1 EP 0264839B1 EP 87115124 A EP87115124 A EP 87115124A EP 87115124 A EP87115124 A EP 87115124A EP 0264839 B1 EP0264839 B1 EP 0264839B1
Authority
EP
European Patent Office
Prior art keywords
changeover
switching shaft
turning
printing
gripper
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
EP87115124A
Other languages
German (de)
English (en)
Other versions
EP0264839A2 (fr
EP0264839A3 (en
Inventor
Kurt Difflipp
Heinrich Ochs
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 AT87115124T priority Critical patent/ATE73049T1/de
Publication of EP0264839A2 publication Critical patent/EP0264839A2/fr
Publication of EP0264839A3 publication Critical patent/EP0264839A3/de
Application granted granted Critical
Publication of EP0264839B1 publication Critical patent/EP0264839B1/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 improvement relates to a switching device according to the preamble of claim 1.
  • a switching device is described in DE-AS 2 133 693.
  • Means for changing the control of the sheet travel are provided in sheet-fed rotary printing presses for optional face or reverse printing, so that the sheets are held by the sheet-fed rotary printing press only once at their leading edge and are turned from the leading edge to the trailing edge during the sheet travel can be.
  • turning curves of the turning drum have to be activated and the gripper opening curves have to be shifted relative to the turning drum according to the changeover to the bow end, or curves with a correspondingly shifted opening point have to be switched on.
  • DE-AS 2 133 693 describes a device for controlling the grips of a sheet transfer and turning drum of a multi-color sheet-fed rotary printing press.
  • the turning curve is disengaged during normal operation of the sheet-fed rotary printing press.
  • the turning curves and the gripper opening curves are slidably mounted and coupled to one another via a linkage. For converting the machine from face printing to face and back printing the linkage is unlocked and moved axially using a handle, so that the turning curve and the gripper opening curves are moved axially at the same time.
  • a device for starting and stopping the offset cylinder of an offset printing unit is described in FR-A 1 502 415.
  • a pneumatic drive is connected to an actuator for turning the rubber cylinder of the offset printing machine on and off, depending on the direction.
  • Valves are used for control, which are operated by electrical contacts in the area of the sheet guide.
  • a pneumatic cylinder and a device with spiral groove curves, adjoining ejectors and a displaceable bolt in a drive lever are used as the pneumatic drive.
  • the drive lever is used to drive the on / off movement of the offset cylinder in a direction-dependent manner.
  • the conversion of a further control curve essentially takes place via the movement of the drive lever and the spiral groove curves.
  • Such a switchover device has the particular advantage that it is actuated when the operating state is selected at the start of the switchover process and the switchover of the gripper opening and turning curves therefore does not require any further attention from the operating personnel.
  • the switching device is very reliable, since it is also switched depending on the direction from the respective operating state.
  • the switching device is shown in the context of the indicated machine structure.
  • the pneumatic cylinder 1 is provided with a clutch 2. This is attached to a shift hub 4 via a fork 3.
  • the shift hub 4 sits on the shift shaft 5.
  • the shift shaft 5 is axially parallel to a turning drum 6 and a storage drum 7.
  • the pneumatic cylinder 1 is also connected via lines 8 to a pneumatic valve 9.
  • the pneumatic valve 9 has the connection of an air supply 10.
  • the pneumatic valve 9 is connected to a changeover switch 11.
  • the changeover switch 11 generally serves to prepare the sheet-fed rotary printing press for the changeover from the printing mode to the printing mode, and vice versa. For this purpose, interlocks in the machine, a machine brake and various safety devices are activated.
  • the connection to the control of the sheet-fed rotary printing press is indicated on the changeover switch 11 by a connection 12.
  • FIG. 2 shows the connection of a gripper opening curve 13 to the control shaft 5.
  • a further shift hub 14 is fastened on the shift shaft 5.
  • the tab 15 is in turn connected to the gripper opening curve 13, which is rotatably seated on a shaft part of the turning drum 6.
  • an extension 16 is attached to the shift hub 15.
  • the extension 16 is provided with stop surfaces 17.
  • the stop surfaces 17 are assigned adjustable end stops 18 which are fastened in the machine frame.
  • FIG. 3 shows the coupling of a turning curve 19 to the control shaft 5.
  • a third switching hub 20 is fastened on the selector shaft 5.
  • a setting slide 21 is articulated on the shift hub 20.
  • the slide valve 21 is therefore to be moved linearly and is secured in position by a spring rod 23 relative to the shift hub 20, the linear movement being made possible, for example, by coupling the shift hub 20 to the slide valve 21 via a shift fork.
  • the turning curve 19 is provided with guide rods 24 which make it axially movable relative to the turning drum 6. At the outer end of the guide rods 24 support rollers 25 are provided, which are supported on the actuating cams 22 on the slide valve 21. The guide rods 24 are pressed against the actuating cams 22 under spring force. By longitudinally displacing the setting slide 21, the turning curve 19 can be connected to cam rollers 26 on the turning drum 6.
  • the switching device works as follows: To switch the sheet-fed rotary printing press from one operating mode to the other, the changeover switch 11 is first actuated. The sheet-fed rotary printing machine is locked and secured. At the same time, however, the pneumatic valve 9 is actuated and, depending on the starting position, the pneumatic cylinder 1 is moved into its other end position. The extension 16 strikes the shift hub 14 with one of its stop surfaces 17 on one of the two end stops 18 depending on the direction of movement. The size of the angle of rotation or the position of the pivoting movement of the control shaft 5 can be changed by adjusting the end stops 18. As a result of the rotation of the selector shaft 5, a movement is transmitted from the selector hubs 14 and 20 to the adjustment of the gripper opening curve 13 and the turning curve 19.
  • the tab 15 transmits a rotary movement to the gripper opening curve 13 while the adjusting slide 21 transmits an axial movement via its adjusting cams 22 to the turning curve 19.
  • the opening time of the grippers on the turning drum 6 is set to the face pressure and at the same time the turning curve 19 is disengaged from the cam rollers 26 or the gripper opening curve 13 is switched to the opening time for the counterpressure operation and the turning curve 19 is brought into engagement with the cam rollers 26 .
  • the assignment of the position of the gripper opening curve 13 can be set as described above. The process takes place without any intervention on the part of the operating personnel and ensures that the curves are assigned for operation in one of the two modes of operation.
  • the arrangement in the manner shown can of course be changed apart from details without touching the essential content of the improvement.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Registering Or Overturning Sheets (AREA)

Claims (3)

  1. Dispositif de commutation dans le mécanisme de commande pour les preneurs d'un cylindre de retournement dans une machine imprimante rotative à feuilles, pour, au choix, l'impression du recto et la retiration, comportant des cames d'ouverture des preneurs et des cames de retournement pour commander un mouvement pivotant de jeux de preneurs, le dispositif de commutation reliant les cames de commande,
    caractérisé en ce qu'un commutateur (11) est prévu, qui prépare la machine imprimante rotative à feuilles pour la commutation de l'impression du recto à la retiration, et inversement, la machine imprimante rotative à feuilles étant protégée, en ce qu'un mécanisme de manoeuvre (4,5, 13 à 17, 19 à 22) est prévu, qui est relié à un entraînement, en ce que l'entraînement est relié, à chaque fois, au commutateur (11), de sorte qu'il est actionné, selon le sens de commutation choisi, pour la retiration ou l'impression du recto, en ce que le mécanisme de manoeuvre comporte un arbre (5), auquel l'entraînement est articulé, et en ce que l'arbre (5) est relié à la came d'ouverture des preneurs (13) montée rotative par l'intermédiaire d'une barre de liaison (15), et est relié à des ergots (22) pour le déplacement axial d'une came de retournement (19) par l'intermédiaire d'un coulisseau (21).
  2. Dispositif de commutation selon la revendication 1,
    caractérisé en ce que l'entraînement est un vérin pneumatique (1), et le commutateur (11) est relié au vérin pneumatique (1) par l'intermédiaire d'une soupape (9), le sens de déplacement du vérin pneumatique (1) dépendant de la position du commutateur (11).
  3. Dispositif de commutation selon la revendication 1,
    caractérisé en ce que des surfaces de butée (17) sont prévues sur l'arbre (5), lesquelles coopèrent avec des butées d'extrémité réglables (18) dans le bâti de machine.
EP87115124A 1986-10-22 1987-10-16 Dispositif de commande pour le cylindre de retournement d'une rotative d'impression de feuilles Expired - Lifetime EP0264839B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87115124T ATE73049T1 (de) 1986-10-22 1987-10-16 Umschalteinrichtung an der wendetrommel einer bogenrotationsdruckmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8628072U DE8628072U1 (de) 1986-10-22 1986-10-22 Umschalteinrichtung an der Wendetrommel einer Bogenrotationsdruckmaschine
DE8628072U 1986-10-22

Publications (3)

Publication Number Publication Date
EP0264839A2 EP0264839A2 (fr) 1988-04-27
EP0264839A3 EP0264839A3 (en) 1989-08-09
EP0264839B1 true EP0264839B1 (fr) 1992-03-04

Family

ID=6799438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115124A Expired - Lifetime EP0264839B1 (fr) 1986-10-22 1987-10-16 Dispositif de commande pour le cylindre de retournement d'une rotative d'impression de feuilles

Country Status (5)

Country Link
US (1) US4791868A (fr)
EP (1) EP0264839B1 (fr)
JP (1) JPS63179743A (fr)
AT (1) ATE73049T1 (fr)
DE (2) DE8628072U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108629B4 (de) * 2000-03-02 2004-08-26 Ryobi Ltd., Fuchu Vorrichtung zum Umstellen der Greiferbewegung von Schön- auf Schön- und Widerdruck an einer Wendetrommel in einer Bogendruckmaschine

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4324746C2 (de) * 1993-07-23 1999-07-15 Koenig & Bauer Ag Einrichtung zum Umstellen eines Sauger- und Greifersystems
DE4335185C2 (de) * 1993-10-15 1997-04-30 Kba Planeta Ag Einrichtung zum Betätigen von Saugluftsteuerelementen
DE10148368A1 (de) * 2001-09-29 2003-04-17 Koenig & Bauer Ag Einrichtung zum Umstellen eines Greifersystems
CN103625104A (zh) * 2013-12-10 2014-03-12 何敬丽 一种印刷机纸张翻页模块用液压阀

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1536410A1 (de) * 1965-11-29 1970-01-08 Adamovske Strojirny Np Einrichtung zum Umstellen von Offsetzylindern
DE2133693B2 (de) * 1971-07-07 1974-12-19 Miller Printing Machinery Co., Pittsburgh, Pa. (V.St.A.) Vorrichtung zur Steuerung der Greifer einer Bogenübergabe- und Wendetrommel einer Mehrfarben-Bogenrotationsdruckmaschine
DE2708478C3 (de) * 1977-02-26 1981-11-12 Koenig & Bauer AG, 8700 Würzburg Übergabe- und Wendetrommel für eine Bogenrotationsdruckmaschine
JPS5871164A (ja) * 1981-10-24 1983-04-27 Komori Printing Mach Co Ltd 反転機構付枚葉輪転印刷機のカム切換装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108629B4 (de) * 2000-03-02 2004-08-26 Ryobi Ltd., Fuchu Vorrichtung zum Umstellen der Greiferbewegung von Schön- auf Schön- und Widerdruck an einer Wendetrommel in einer Bogendruckmaschine

Also Published As

Publication number Publication date
ATE73049T1 (de) 1992-03-15
EP0264839A2 (fr) 1988-04-27
DE8628072U1 (de) 1986-12-04
JPS63179743A (ja) 1988-07-23
EP0264839A3 (en) 1989-08-09
DE3777065D1 (de) 1992-04-09
US4791868A (en) 1988-12-20

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