EP0972638B1 - Vorrichtung zum Zuführen von Bogen zu einer Bogen verarbeitenden Maschine - Google Patents

Vorrichtung zum Zuführen von Bogen zu einer Bogen verarbeitenden Maschine Download PDF

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Publication number
EP0972638B1
EP0972638B1 EP99111570A EP99111570A EP0972638B1 EP 0972638 B1 EP0972638 B1 EP 0972638B1 EP 99111570 A EP99111570 A EP 99111570A EP 99111570 A EP99111570 A EP 99111570A EP 0972638 B1 EP0972638 B1 EP 0972638B1
Authority
EP
European Patent Office
Prior art keywords
lever
pregripper
gripper
feed
feed table
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
EP99111570A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0972638A1 (de
Inventor
Hans Peter Boguhn
Gaby Fasler
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 EP0972638A1 publication Critical patent/EP0972638A1/de
Application granted granted Critical
Publication of EP0972638B1 publication Critical patent/EP0972638B1/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
    • B41F21/04—Grippers
    • B41F21/05—In-feed grippers

Definitions

  • the invention relates to a device for feeding sheets to a sheet processing machine, in particular to a printing press, with a back and forth outgoing pre-gripper that takes the sheets from a feed table and to one The feed drum of the sheet-fed rotary printing machine passes.
  • DE 43 22 416 A1 shows a feed table, the imaginary extension of which is the periphery a feed drum cuts.
  • a swingably arranged below the conveyor level Pre-gripper transports the sheet around you on a circular sheet movement path Pivot point of the swing axis of the pre-gripper.
  • the pre-gripper When swiveling back to the feed table, the pre-gripper penetrates the conveying plane of the Arc. However, to avoid contact between the pre-gripper and the bow, are pivotally arranged guide elements that raise the sheet so far that this does not touch the predecessor. Uniform sheet guidance is disturbed.
  • a device according to the preamble of claim 1 also goes from DE-A-43 32 683.
  • the invention has for its object to a device for feeding sheets to create a sheet-processing machine in which a uniform Arc trajectory is generated.
  • the imaginary extension of the feed table is at a distance from the feed drum. This measure prevents the withdrawn from the feed table by means of the gripper device attached to the feed cylinder Arc forms a so-called inlet shaft.
  • the infeed path is also less curved, so that the sheet deforms less when entering and thus also is supplied without marking.
  • a favorable embodiment of the invention is to achieve the invention Movement geometry a cam gear and an eccentric gear provided are coupled together.
  • Provided stationary guide bars define a clear separation of the trajectories.
  • the pre-gripper advantageously consists of a main lever, which pivots around a pivot point fixed to the frame and a guide lever which moves around a Eccentrically pivotable pivot point pivots.
  • a gripper bridge Koppel connects the guide lever and the main lever.
  • the gripper shaft can be coaxial to the bearing point of Main lever and coupling be arranged.
  • Another advantage is to provide sensors and actuators that detect movement errors Check and correct the forerunner. This measure becomes a quality-enhancing sheet transport guaranteed.
  • one is provided for correcting movement errors Arrange actuator in a roller lever which is articulated to the guide lever.
  • the coupling or the gripper bridge can be pivoted relative to the main lever, so that the position of the sheet in the circumferential direction during transport through the Pre-gripper can be corrected.
  • the actuator is mounted on the frame and adjusted in the Correction case a stop for the roller lever such that the cam roller from the Control curve takes off.
  • Provided sensor means record actual value deviations of the Transfer path of the pre-gripper from the feed table to the transfer to the feed drum and apply the determined correction data to the actuators.
  • the senor can also be arranged stationary on the feed table, so that a distance between gripper and feed table can be detected and corrected by means of the actuator.
  • leads to the stationary sensor can also be laid stationary be, so that the service life of the supply lines are improved.
  • a sheet-fed rotary printing press 1 has a feeder 2, a number of Printing units 3, 4, however, at least one printing unit 3, 4, and a delivery 6. Of a sheet pile 7 of the feeder 2, the sheets 9 by means of a separating unit 11th isolated and conveyed via a feed table 12 to the sheet-fed rotary printing press 1. On one of the printing machine end of the feed table 12 is a pivotable arranged pre-gripper 13 is provided, the sheet 9 at the end of the feed table 12th grasps and on gripper devices 15 of a feed drum 14 Sheet-fed rotary printing machine 1 passes
  • Stationary guide tongues 16 are spaced apart from one another over the axial length of the Feed drum 14 distributed and at a distance a as shown in FIG. 2 from the feed drum 14 arranged.
  • An imaginary extension G of the feed table 12 is at a distance b from Periphery of the feed drum 14.
  • the pre-gripper 13 has a main lever 17 which is one below the Feed plane located pivot point A fixed to the frame is pivotally mounted. On his The main lever 17 bears the end remote from the pivot point A at an articulation point 18 a two-armed coupling 19. At one end of the first arm of the coupling 19 is one Gripper bridge 21 arranged.
  • the gripper bridge 21 carries a number of pre-gripper 25 can be opened and closed by means of a common gripper shaft 20. For saving of moving masses, the gripper shaft 20 can be the articulation point 18.
  • a guide lever 22 is articulated to the a pivot point B is pivoted back and forth.
  • the pivot point B is in turn mounted eccentrically about a pivot point C fixed to the frame.
  • the pivot point B of the guide lever 22 When the sheet 9 is taken over from the feed table 12, the pivot point B of the guide lever 22 is in a first end position “zero position B o ” according to FIG.
  • the guide lever 22 pivots about one or different points B of the coupling curve C B in the direction of the feed drum 14, which is initiated by the pivotal movement of the main lever 17 around the point A, initiated by the main drive 35, 39, 40 and the coupling 19 is reached.
  • the further pivoting movement of the guide lever 22 takes place after the transfer of the sheet 9 to the gripper device 15 of the feed drum 14 by one or more points B of the coupling curve C B up to a turning position W of the guide lever 22.
  • the guide lever 22 is moved into different positions of the point B around the pivot point C fixed to the frame by a certain angle (e.g. about 90 °) pivoted so that the pivoting movement of the lever 22 takes place from the turning position W back to the feed table 12 around the points B of the coupling curve C B. Only a few angular degrees before arrival at the feed table 12 there is a pivoting movement of the pivot point B back to the zero position B 0 in order to raise the gripper bridge 21 and thus the pre-gripper 25 to the level of the feed table 12.
  • a certain angle e.g. about 90 °
  • the pivoting movement of the guide lever 22 around the point B takes place in Embodiment indirectly via the coupling 19 and the main lever 17 to the Pivot point A arranged a cyclically pivotable driven main gripper shaft 30 is.
  • the pre-gripper main shaft 30 is by means of the lever 35, the cam roller 39 and the Control cycle 40 driven by the machine cycle.
  • roller lever 23 to replace two individual levers 27,28.
  • the levers 27, 28 are each pivotable with a lower end about the pivot point C. arranged.
  • a second end of the lever 28 is articulated with an actuator 29 and Cam roller 24 connected.
  • a second end of the lever 27 is articulated to the end of the Guide lever 22 and the actuator 29 connected.
  • One between cam roller 24 and Guide lever 22 arranged return spring 31 eliminates any play in the Area of the actuator 29.
  • the actuator 29 can, for example, be designed as electromotive actuator, pneumatic or hydraulic cylinders.
  • a sensor 32 detects the arc path height, defined by a center Z, the points Pivot point A of the main lever 17, center of the gripper pad 33 and axis 34 of the Feed cylinder 14 intersects a distance c between a reference point 41 and the Central Z.
  • the reference point can e.g. B. be determined by the sensor 32.
  • the sensor 32 can be attached to the feed cylinder 14.
  • the sensor on the pre-gripper 13 be attached and against a reference surface (measuring flag) 41 on the feed drum Record distance c. If the determined distance c deviates from a predetermined target value, the actuator 29 is acted upon by a corresponding control signal, so that one of the Distance c deviating dimension is corrected.
  • the actuator 29 between a frame-fixed bearing 36 and one attached to the roller lever 23 Arrange stop 37.
  • the actuator 29 lifts by means of the stop 37 Roller lever 23 the cam roller 24 from the cam 26 to the required Correction measure.
  • a return spring 38 arranged fixed to the stop 37 pulls the stop 37 against the actuator 29, or the cam roller 24 against the control cam 26.
  • the senor can be on the pre-gripper be attached and against a reference surface (measuring flag) 41 on the feed drum 14 den Record distance c.
  • sensor 32 is provided assign stationary on the feed table 12.
  • the sensor 32 detects a distance e between pre-gripper bridge 21 and feed table 12. Deviations from a predetermined The setpoint is corrected as previously described.

Landscapes

  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP99111570A 1998-07-16 1999-06-15 Vorrichtung zum Zuführen von Bogen zu einer Bogen verarbeitenden Maschine Expired - Lifetime EP0972638B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19831976 1998-07-16
DE19831976A DE19831976B4 (de) 1998-07-16 1998-07-16 Vorrichtung zum Zuführen von Bogen zu einer Bogen verarbeitenden Maschine
US09/356,403 US6349935B1 (en) 1998-07-16 1999-07-16 Device for feeding sheets to a sheet-processing machine

Publications (2)

Publication Number Publication Date
EP0972638A1 EP0972638A1 (de) 2000-01-19
EP0972638B1 true EP0972638B1 (de) 2002-12-11

Family

ID=26047472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99111570A Expired - Lifetime EP0972638B1 (de) 1998-07-16 1999-06-15 Vorrichtung zum Zuführen von Bogen zu einer Bogen verarbeitenden Maschine

Country Status (4)

Country Link
US (1) US6349935B1 (ja)
EP (1) EP0972638B1 (ja)
JP (1) JP4588137B2 (ja)
DE (1) DE19831976B4 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006008366A1 (de) * 2006-02-23 2007-08-30 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Antreiben einer Schwinganlage

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10248687B4 (de) * 2001-11-16 2019-03-07 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zum Zuführen von Bogen zu einer drucktechnischen Maschine
DE10218172A1 (de) * 2002-04-24 2003-11-13 Koenig & Bauer Ag Antrieb eines Vorgreifers
DE10218204A1 (de) * 2002-04-24 2003-11-06 Koenig & Bauer Ag Vorgreifer mit einem Greifersytem
DE10309709A1 (de) 2003-03-06 2004-09-16 Koenig & Bauer Ag Bogenanlage
DE102005058804A1 (de) * 2005-12-09 2007-06-14 Man Roland Druckmaschinen Ag Getriebeanordnung für Greifer an einer bogenverarbeitenden Maschine
DE102007005016A1 (de) * 2006-02-27 2007-08-30 Heidelberger Druckmaschinen Ag Vorrichtung zum Transport von Bogen mittels einer Greifereinrichtung
DE102006050742A1 (de) * 2006-10-27 2008-05-08 Koenig & Bauer Aktiengesellschaft Einrichtung zum Antreiben einer Bogenanlage
DE102006050740A1 (de) * 2006-10-27 2008-04-30 Koenig & Bauer Aktiengesellschaft Einrichtung zum Antreiben einer Bogenanlage
DE102007026586A1 (de) * 2007-06-08 2008-12-11 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Antreiben einer Bogenleiteinrichtung
DE102008060291B4 (de) 2007-12-13 2022-09-01 Heidelberger Druckmaschinen Ag Bogenbeschleunigungssystem für eine Bogendruckmaschine
DE102007062338A1 (de) * 2007-12-22 2009-06-25 Manroland Ag Rotationsdruckmaschine mit energieautarken Sensorsystemen
DE102008060740A1 (de) 2008-01-23 2009-07-30 Heidelberger Druckmaschinen Ag Druckmaschine
DE102009008776B4 (de) * 2008-03-17 2021-05-27 Heidelberger Druckmaschinen Ag Vorrichtung zum Ausrichten von Bogen an Anschlägen
DE102019129647A1 (de) * 2019-11-04 2021-05-06 Koenig & Bauer Ag Bogenbearbeitungsmaschine mit zumindest einem Zuführsystem und Verfahren zur Steuerung eines Zuführsystems einer Bogenbearbeitungsmaschine

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Publication number Priority date Publication date Assignee Title
DE432416C (de) 1922-07-27 1926-08-04 Siemens Schuckertwerke G M B H Verfahren und Einrichtung zum Abscheiden von Schwebekoerpern aus Gasen mittels einesinhomogenen Feldes
DE1126411B (de) * 1961-01-28 1962-03-29 Maschf Augsburg Nuernberg Ag Bogenanlegevorrichtung
DE1208309B (de) * 1965-02-08 1966-01-05 Planeta Veb Druckmasch Werke Schwinganlage fuer Druckmaschinen
DE2557866B2 (de) * 1975-12-22 1977-11-03 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Rotierende vorgreifertrommel
US4132403A (en) * 1977-07-07 1979-01-02 Veb Polygraph Leipzig Kombinat Fuer Polygraphische Maschinen Und Ausruestungen Sheet transfer apparatus for printing machine
DE2861397D1 (en) * 1978-06-26 1982-01-28 Heidelberger Druckmasch Ag Camless drive for an oscillating front gripper
DD142694A1 (de) * 1979-04-02 1980-07-09 Guenter Weisbach Bogenrotationsdruckmaschine mit einem von unten arbeitenden vorgreifer
DD142869A1 (de) * 1979-04-02 1980-07-16 Guenter Weisbach Schwingender,von unten arbeitender vorgreifer
DE3901599A1 (de) * 1989-01-20 1990-08-02 Heidelberger Druckmasch Ag Greiferanordnung an bogenverarbeitenden maschinen, insbesondere bogenoffsetdruckmaschinen
DE4103296C1 (ja) * 1991-02-04 1992-04-23 Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De
DE4221578A1 (de) * 1992-07-01 1994-01-05 Heidelberger Druckmasch Ag Vorrichtung und Verfahren zur Bogenerfassung
DE4322416C2 (de) * 1993-07-06 1996-07-18 Kba Planeta Ag Bogenleiteinrichtung in der Bogenanlage von Druckmaschinen
DE4330392A1 (de) * 1993-09-08 1995-03-16 Heidelberger Druckmasch Ag Schwingender Vorgreifer einer Bogendruckmaschine
DE4332683A1 (de) * 1993-09-25 1995-03-30 Heidelberger Druckmasch Ag Vorrichtung für den Antrieb eines schwingenden Vorgreifers für den Einzelbogentransport in einer Druckmaschine
DE19616755C2 (de) * 1996-04-26 1999-12-16 Heidelberger Druckmasch Ag Antrieb für einen schwingenden Vorgreifer einer Bogendruckmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006008366A1 (de) * 2006-02-23 2007-08-30 Koenig & Bauer Aktiengesellschaft Vorrichtung zum Antreiben einer Schwinganlage

Also Published As

Publication number Publication date
JP2000034035A (ja) 2000-02-02
JP4588137B2 (ja) 2010-11-24
US6349935B1 (en) 2002-02-26
DE19831976A1 (de) 2000-01-20
EP0972638A1 (de) 2000-01-19
DE19831976B4 (de) 2010-07-29

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