EP0835754B1 - Réglage décentralisé individuel des surfaces d'appui des pinces dans les cylindres de transport de feuilles des presses rotatives - Google Patents

Réglage décentralisé individuel des surfaces d'appui des pinces dans les cylindres de transport de feuilles des presses rotatives Download PDF

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Publication number
EP0835754B1
EP0835754B1 EP97116334A EP97116334A EP0835754B1 EP 0835754 B1 EP0835754 B1 EP 0835754B1 EP 97116334 A EP97116334 A EP 97116334A EP 97116334 A EP97116334 A EP 97116334A EP 0835754 B1 EP0835754 B1 EP 0835754B1
Authority
EP
European Patent Office
Prior art keywords
gripper
gripper support
support bar
electric motor
rod
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
EP97116334A
Other languages
German (de)
English (en)
Other versions
EP0835754A2 (fr
EP0835754A3 (fr
Inventor
Claus Dipl.-Ing. Simeth
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
Publication of EP0835754A2 publication Critical patent/EP0835754A2/fr
Publication of EP0835754A3 publication Critical patent/EP0835754A3/fr
Application granted granted Critical
Publication of EP0835754B1 publication Critical patent/EP0835754B1/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

Definitions

  • the invention relates to an arrangement for decentralized individual adjustment of gripper bars in sheet guiding Drums or cylinders of rotary printing presses after Preamble of the main claim.
  • a transfer drum or a transfer drum for sheet-fed printing machines with on a gripper shaft Clamping grippers spring-mounted in the clamping direction as well as continuous, adjustable to different paper thicknesses
  • Gripper pads on which a single gripper pad for each gripper is provided in the basic position each continuous gripper pad can be adjusted with set screws is and a common adjustment of all continuous Gripper pads manually with a central adjusting device or by means of a motor drive (DE-PS 34 28 668 C2).
  • a motor drive the common Adjustment of the gripper pads from a control panel the printing press or a central control panel of several Printing presses are carried out; however, this does not apply for the manual adjustment of the gripper pads.
  • these are Transfer drum with two ends of the continuous gripper pad two adjusting screws each screwed into threaded holes provided, the lower end of which is on an adjusting cam supports.
  • the control cams are on the outer circumference Adjusted disk to which they are attached and as Archimedes Spiral shaped.
  • the one at both ends of the continuous Gripper pads arranged two adjusting discs are non-rotatably connected. On one of these discs attacks the central control device with which everyone continuous gripper pads are adjusted together, by adjusting the adjusting screws radially using the adjusting cams can be moved up or down.
  • By single manual Adjustment of the adjustment screws should be a linear course of the Gripper pad can be reached.
  • each one include radially adjustable gripper bar, are the means directly attacking the gripper bar for their radial adjustment geometrically simpler, namely with wedge-shaped elements (DE 43 37 578 A1). This are over the width of the drum with a so-called positioning shaft, which are slidable in the longitudinal direction of the drum is connected and form with associated wedge-shaped elements sliding joints on the associated gripper bar in the form of thrust wedges.
  • the radial adjustment of the gripper bar is also done here by a central drive with an electric motor that is controlled by the control center becomes.
  • each positioning shaft carries at its free end a scale, so regardless of the display on the control center read the respective position of the gripper bar can be.
  • Gripper slats in sheet-guiding drums or cylinders of rotary printing presses of the type mentioned at the beginning is for individually raising and lowering the grab bar a positioning device acting on it assigned, the ends of each with a side frame the actuator fixed to the rotary printing machine can be periodically coupled (DE 44 33 998 A1).
  • the actuator can in particular from a pneumatic or hydraulic actuated cylinder or an electrical Drive exist.
  • the positioning device be lockable, because otherwise they are in the movement phases the drum in which the positioning device does not match the Actuator is coupled, adjust undesirably can.
  • the positioning device comprises one in detail Positioning rod with several axially movable to the drum body attached wedge-shaped elements, each on a push wedge on a flat wedge of the gripper bar educational concerns.
  • the positioning rod adapters with one adjustment option each are arranged. Contact areas the adapter touches the actuators in the appropriate position of the drum to the positioning rod to adjust.
  • the printing press is placed over the Control center or manually at low speed in the Creep speed set in rotation.
  • the positioning devices become periodic in succession during one revolution of the drum adjusted.
  • the operating devices in side frames must be fitted with the Drum rotation can be synchronized.
  • the periodic Coupling the positioning rods or the adapter with the Actuators cause wear and tear at higher Drum speeds would increase. That's why there is none Continuous adjustment of the gripper bar during the run of the Printing machine provided, but only during the creep speed.
  • a sheet-guiding drum depending on the one to be processed Gripper bridges that can be adjusted for the substrate thickness are from EP 0 703 074 A2 known.
  • the respective gripper bar is up in two stages or deep adjustable.
  • Each gripper bar is a positioning device assigned, each with one arranged on the drum Actuator is coupled. Via a rotary transformer or an electric drive Actuator separately through a controlled power supply enableable.
  • a Control device consisting of at least one sensor, one Opening and / or closing mechanism for the grippers and a computer, controls the grippers so that the opening and / or closing mechanism in certain machine positions can be operated.
  • the present invention is based on the object, a Arrangement for decentralized individual adjustment of gripper bars of the to develop the type mentioned in the way that a Controlled, precise individual adjustment of each gripper bar, even when running the printing press can be done reliably.
  • the means used for this should be uncomplicated and low-wear.
  • the invention relates to a positioning device a rod arranged push wedges, which with the associated The gripper bar is in operative connection and is supported on the cylinder / drum base by the push wedges by moving the rod in the axial direction of the cylinder or the drum.
  • the axial displacement the push wedge causes the gripper bar to be adjusted radially.
  • the rod is in the cylinder or drum stored and is in particular according to claim 6 on a free End formed as a threaded spindle.
  • a gearwheel is axially immovable as a gear element Internal thread rotatably mounted, which with another gearwheel coupled to the electric motor is.
  • the gearwheel with internal thread and the threaded spindle form a screw joint, also screw gear called, the gear being the drive member and the threaded spindle is the output member.
  • the axial Adjustment of the rod carrying the push wedges also by means of Coupling gear take place. It is crucial that between the actuator (Drive motor) and rod a gearbox Coupling is done such that the rod is in axial Direction to the cylinder or the drum is displaceable.
  • a gripper bar can be adjusted in height decentralized individual height adjustment several gripper bars in one drum or a cylinder with a corresponding number of units possible. It is also essential that with each gripper bar at least one sensor of the gripper bar height adjustment is directly mechanically coupled, whereby an exact detection of the height setting is realized.
  • At least two are particularly advantageous Longitudinal distance of the gripper bar arranged to each other Measuring sensors with which the height adjustment at several positions the gripper bar is detected with this immediately coupled.
  • a sensor according to claim 3 is used in each case linear measuring system provided.
  • the sensors give actual value signals the height setting of the associated gripper bar to a control device in which it Setpoints are compared and control signals for the electric motor to compensate for an undesirable height deviation form.
  • This control system can be used for any gripper bar quasi continuously even in the course of the printing press and individually with high accuracy. So that is the integration of the gripper bar height adjustment in the control center technology guarantees.
  • each of the threaded spindles with the associated one Electric motor or stepper motor can be an uncomplicated one Gears can be arranged between these elements, which together form the decentralized drive with the electric motor.
  • the sheet-guiding cylinder 1 of an offset rotary printing machine points in Fig. 1 evenly distributed over its circumference at positions A B C D one gripper bar each 2,3,4,5 with gripper pads 6,7,8,9 for the single pad of Grippers, of which the grippers 10, 11, 12, 13 can be seen in FIG. 1 are.
  • the cylinder is with two pins in side parts the offset rotary printing machine stored; one of these cones in position 14 is mounted in the side part 15, see Fig. 2nd
  • Each of the gripper bars 2 to 5 is a rod 16,17,18,19 assigned as the axially adjustable positioning device serves with the assigned gripper bar up in a substantially radial direction or can be lowered or adjusted accordingly.
  • the Positioning device one of the gripper bar 2 to 5 belong to the gripper bar wedge-shaped elements 20,21,22 in Fig. 2, each rest positively and non-positively on a push wedge 23, 24, 25, which is the axial movement of the rod 16 with threaded spindle in a height adjustment of the associated gripper bar implements.
  • the axial direction of movement is Push wedges marked with a double arrow 26 and the height adjustment the gripper runner bar with a double arrow 27.
  • the gripper bar is held by springs, e.g. 28 in Fig. 2, against the thrust wedges 23,24,25 of the positioning device supported.
  • each gripper bar 2 - 5 a zero stop is provided in the path of movement of each gripper bar 2 - 5 .
  • This stop is in Fig. 2 as Reference stop 30 shown.
  • the reference stop 30 represents represents a zero position specified by the manufacturer, to which can be used if due to influencing variables (changes) Error within the gripper turn bar adjustment must be remedied by readjustment.
  • the reference stop 30 is preferably outside the adjustment range (Up or down) of the gripper bar arranged.
  • the rod 16 is formed with one at its free end Threaded rod, as schematically as an embodiment in Fig. 2 indicated, via gears 31 and 32 of a transmission in Movement set, of which the gear 31 with a stepper motor 33 is connected.
  • the gear 32 is axially immovable stored and has an internal thread with the Threaded spindle 16 in connection.
  • the stepper motor 33 and the gears 31 and 32 form the actuator of Positioning device, each one of the rods, here the Rod 16 includes. This allows the push wedges 23, 24, 25, are attached to the rod, the desired axial movement in the direction of the double arrow 26 when the stepping motor is actuated 33 perform.
  • Fig. 2 An essential part of the arrangement for decentralized individual setting the gripper bars are sensors 34 to 37 that are longitudinally spaced along the gripper bar arranged to each other and directly with the gripper bar are mechanically coupled.
  • 3 shows the direct coupling of one of the sensors, here 35, with the gripper bar 2.
  • Fig. 3 is also indicated how the sensor 35 in a recess of the sheet-guiding Cylinder 1 is housed.
  • FIG 3 shows how the gripper pad 2 with an intermediate layer of the wedge-shaped element firmly attached to it 20 is connected to the thrust wedge 23 by the Rod 16 is slidable.
  • the sensors 34 to 37 which are at a longitudinal distance from each other on the Attack gripper bar 2 are with actual value inputs a control device 38, which also at least one input for entering a setpoint for the hook ram height adjustment having.
  • the setpoint can be from a central control center to the control system be fed.
  • An output of the control device is led to a stepper motor control 39, which feeds the stepper motor 33.
  • the reference stop 30 is preferred outside the adjustment range of the gripper bar arranged.
  • a zero position is to be specified, which e.g. is electrically zeroed. From the zero position the adjustment range for the high or Lowering of the respective gripper bar fixed. The impression result can, for example, be in the zero position be included.
  • the rod 16 is adjusted until long by longitudinal adjustment the thrust wedges 23,24,25 in connection with the wedge-shaped elements 20,21,22 a height adjustment of the gripper bar at which the actual values resulting from the Sensors 34 to 37 are signaled, the setpoints are reached. Then, the stepper motor 33 stops, after which the gripper bar height adjustment locked by self-locking becomes.
  • the arrangement allows one even when the machine is running unequal sheet transfer, for duplication and register differences leads from bow to bow, by control over the Correct control device 38.

Landscapes

  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (7)

  1. Agencement pour le réglage individuel décentralisé de barrettes d'appui de pinces (2 - 5) dans des tambours ou cylindres (1) de guidage de feuilles de machines d'impression rotatives, dans lequel, pour le réglage en hauteur ou en profondeur individuel d'une barrette d'appui de pinces (2 - 5), il est associé, à chaque fois, à celle-ci, un dispositif de positionnement ayant des coins de poussée (23 - 25) agencés sur une barre (16, 17, 18, 19) axialement déplaçable et en liaison active avec la barrette d'appui de pinces respective (2 - 5), et dans lequel au moins un moteur électrique (33) est prévu comme dispositif d'actionnement pour actionner les dispositifs de positionnement,
    caractérisé en ce que :
    chaque barre (16, 17, 18, 19) est en liaison active, au moyen d'une transmission (31, 32, 40), avec le moteur électrique (33),
    un capteur (34, 35, 36, 37) est couplé directement mécaniquement à chaque barrette d'appui de pinces (2, 3, 4, 5), capteur qui est raccordé à un dispositif de commande/réglage (38),
    le dispositif de commande/réglage (38) est en liaison fonctionnelle avec le moteur électrique (33),
    de chaque capteur (34, 35, 36, 37), des signaux de valeurs réelles du réglage en hauteur de la barrette d'appui de pinces correspondante (2, 3, 4, 5) peuvent être amenés au dispositif de commande/réglage (38), comparés avec des valeurs de consigne, et des signaux de réglage peuvent être fournis au moteur électrique (33) pour compenser des écarts non souhaités en hauteur des barrettes d'appui de pinces (2, 3, 4, 5).
  2. Agencement selon la revendication 1,
    caractérisé en ce que, avec la barrette d'appui de pinces (2, 3, 4, 5), au moins deux capteurs (34, 35, 36, 37) du réglage en hauteur des barrettes d'appui de pinces sont agencés à intervalles l'un par rapport à l'autre le long de la barrette d'appui de pinces (2, 3, 4, 5).
  3. Agencement selon la revendication 1 ou 2,
    caractérisé en ce qu'un système de mesure linéaire sert comme capteurs (34, 35, 36, 37).
  4. Agencement selon une des revendications 1 à 3,
    caractérisé en ce qu'une butée de référence (30) est agencée dans la voie de déplacement de chaque barrette d'appui de pinces (2 - 5).
  5. Agencement selon au moins la revendication 1,
    caractérisé en ce que le moteur électrique (33) est un moteur pas à pas.
  6. Agencement selon au moins la revendication 1,
    caractérisé en ce que la barre (16, 17, 18, 19) est réalisée à son extrémité libre comme tige filetée, qui est reliée, par l'intermédiaire d'une roue dentée axialement immobile, à filetage interne, au moteur électrique (33).
  7. Agencement selon une des revendications 1 à 5,
    caractérisé en ce que la barre (16, 17, 18, 19) est en liaison active avec le moteur électrique (33) par l'intermédiaire d'un mécanisme à bielle.
EP97116334A 1996-10-12 1997-09-19 Réglage décentralisé individuel des surfaces d'appui des pinces dans les cylindres de transport de feuilles des presses rotatives Expired - Lifetime EP0835754B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19642104A DE19642104C2 (de) 1996-10-12 1996-10-12 Anordnung zur dezentralen Einzelverstellung von Greiferaufschlagleisten in bogenführenden Trommeln bzw. Zylindern von Rotationsdruckmaschinen
DE19642104 1996-10-12

Publications (3)

Publication Number Publication Date
EP0835754A2 EP0835754A2 (fr) 1998-04-15
EP0835754A3 EP0835754A3 (fr) 1998-12-16
EP0835754B1 true EP0835754B1 (fr) 2001-04-04

Family

ID=7808549

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97116334A Expired - Lifetime EP0835754B1 (fr) 1996-10-12 1997-09-19 Réglage décentralisé individuel des surfaces d'appui des pinces dans les cylindres de transport de feuilles des presses rotatives

Country Status (4)

Country Link
EP (1) EP0835754B1 (fr)
JP (1) JP3220067B2 (fr)
AT (1) ATE200247T1 (fr)
DE (2) DE19642104C2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4625268B2 (ja) * 2004-04-30 2011-02-02 株式会社小森コーポレーション 反転機構付枚葉輪転印刷機のシート状物搬送装置
WO2007018504A1 (fr) * 2005-07-27 2007-02-15 Hewlett-Packard Development Company, L.P. Tambour d’impression comprenant une fixation de feuille électromécanique
JP5513782B2 (ja) * 2009-06-15 2014-06-04 株式会社小森コーポレーション 搬送胴の爪台高さ調節装置
JP5324329B2 (ja) * 2009-06-15 2013-10-23 株式会社小森コーポレーション 搬送胴の爪台高さ調節装置
DE102013008780A1 (de) * 2012-06-25 2014-01-02 Heidelberger Druckmaschinen Ag Übertragungstrommel zum Fördern eines Bogens
CN103862852B (zh) * 2012-12-13 2016-09-14 谷永辉 一种印刷机叼纸牙排磨合实验装置及叼纸牙排磨合方法
CN106829580B (zh) * 2017-04-06 2018-06-22 孝感市科莱达商贸有限公司 一种环保塑料薄膜缠绕装置
CN107010444B (zh) * 2017-04-06 2018-07-06 孝感市科莱达商贸有限公司 一种环保塑料薄膜装置
CN106956952B (zh) * 2017-04-06 2018-06-05 孝感市科莱达商贸有限公司 一种环保装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH457507A (de) * 1966-05-26 1968-06-15 Planeta Veb Druckmasch Werke Greifervorrichtung für Übergabe- und Anlegtrommeln sowie Druckzylinder in Bogenrotationsmaschinen
US4503772A (en) * 1981-04-21 1985-03-12 Komori Printing Machine Co., Ltd. Gripper pad height adjusting device for sheet-fed rotary printing presses
DE3428668A1 (de) * 1984-08-03 1986-02-13 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Umfuehrtrommel fuer bogendruckmaschinen, insbesondere kartonmaschinen
DE4200406C2 (de) * 1992-01-10 1996-10-10 Heidelberger Druckmasch Ag Greifereinrichtung an bogenverarbeitenden Rotationsdruckmaschinen
DE4337578A1 (de) * 1993-11-04 1995-05-11 Roland Man Druckmasch Bogenführende Trommel für Druchmaschinen
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
DE4434000C2 (de) * 1994-09-23 1998-02-26 Roland Man Druckmasch Bogenführende Trommel für Rotationsdruckmaschinen
DE4433999C2 (de) * 1994-09-23 1998-02-19 Roland Man Druckmasch Bogenführende Trommel für Rotationsdruckmaschinen

Also Published As

Publication number Publication date
JPH10119244A (ja) 1998-05-12
ATE200247T1 (de) 2001-04-15
DE19642104C2 (de) 1998-09-10
JP3220067B2 (ja) 2001-10-22
DE19642104A1 (de) 1998-04-30
EP0835754A2 (fr) 1998-04-15
EP0835754A3 (fr) 1998-12-16
DE59703278D1 (de) 2001-05-10

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