EP0450333A1 - Receveur de feuilles pour machines à imprimer - Google Patents

Receveur de feuilles pour machines à imprimer Download PDF

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Publication number
EP0450333A1
EP0450333A1 EP91103465A EP91103465A EP0450333A1 EP 0450333 A1 EP0450333 A1 EP 0450333A1 EP 91103465 A EP91103465 A EP 91103465A EP 91103465 A EP91103465 A EP 91103465A EP 0450333 A1 EP0450333 A1 EP 0450333A1
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
stack
leading edge
suction pads
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
EP91103465A
Other languages
German (de)
English (en)
Other versions
EP0450333B1 (fr
Inventor
Udo Ganter
Manfred Henn
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
Priority to AT91103465T priority Critical patent/ATE97884T1/de
Publication of EP0450333A1 publication Critical patent/EP0450333A1/fr
Application granted granted Critical
Publication of EP0450333B1 publication Critical patent/EP0450333B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/426—Forming batches
    • B65H2301/4262—Forming batches by inserting auxiliary support as defined in B65H31/32
    • B65H2301/42622—Forming batches by inserting auxiliary support as defined in B65H31/32 and using auxiliary means for facilitating introduction of the auxiliary support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a sheet delivery for printing machines with a device for changing the sheet stack during machine operation.
  • a rake On a rake, an auxiliary stacking table or the like, which is inserted into the gap between the sheet stack then lowered somewhat and the sheet lifted off with its front region, the incoming sheets are now collected in an auxiliary stack, so that the main stack can be changed while the printing press is running.
  • the suction pads are intended to prevent the lower sheet from slipping off the catch device for the leading edge of the sheet when the gap is formed and in particular when the rake or the like is inserted for the auxiliary stack.
  • the invention has for its object to securely hold the sheet briefly held by catch fingers on the catch fingers for the auxiliary stack formation and to tighten it after inserting an auxiliary stacking device, for example a rake and, above all, to strike the stack stops with its leading edge of the sheet ensure accurate alignment in the sheet stack.
  • an auxiliary stacking device for example a rake and, above all, to strike the stack stops with its leading edge of the sheet ensure accurate alignment in the sheet stack.
  • the invention solves this problem in that a sheet boom with the generic features of claim 1 is formed with the features according to the characterizing part of this claim.
  • the sheet is shortened due to its sag by a difference and thereby recedes from the stacking stops for the leading edge of the sheet around this difference and tightened at the same time, so that it is precisely aligned again in the sheet stack.
  • a further perfection of the desired goal can be achieved with a sheet delivery with generic features according to claim 2, if such a sheet delivery with features according to this claim 2 is formed.
  • the sheet just arriving during the formation of an auxiliary stack deposits not only on its leading edge, but also on the trailing edge on catch fingers which are connected to the suction air of the machine's suction air system in the inserted end position and hold the leading edge and trailing edge of the sheet , whereupon means for arch tightening are effective both on the leading edge of the sheet and on the trailing edge of the sheet.
  • This increases the accuracy of aligning the lower sheet in the auxiliary stack with the stacking stops for the leading and trailing edge of the sheet.
  • the lower sheet of the auxiliary stack is held more securely when inserting the rake or the like for auxiliary stack formation, so that above all the processing of lighter types of paper can be improved and can be carried out with greater accuracy.
  • An embodiment is preferred in which the catching fingers for the leading edge of the sheet or catching fingers for both the leading edge of the sheet and catching fingers for the trailing edge of the sheet are arranged movably on guides parallel to the top of the sheet stack and a differential drive for the sheet tensioning which is independent of the drive of the insertion movement exhibit.
  • the drive for the insertion movement and return movement of the catch fingers can remain unchanged, so that only a small pneumatic cylinder has to be installed as an additional differential drive for the arch tightening between drive members, which is the motor drive for the insertion and return movement of larger pneumatic cylinders on the catch fingers transfer.
  • the stroke movement of the pneumatic cylinders for the differential drive can advantageously be adjusted both the catch finger for the sheet leading edge and the catch finger for the sheet trailing edge.
  • the incoming sheets 3 are transported up to a sheet stack 3a and against stacking stops 4 for the leading edge of the sheet.
  • the stacking stops 4 are fastened to a swivel shaft 5 arranged transversely, so that they can be folded away and swung back in again by a rotary movement of this swivel shaft 5.
  • the pivot shaft 5 is guided on the one side of the machine through the side wall 2 to the outside and connected by transmission members 6 to a drive shaft 7, the motor drive of which consists of a pneumatic cylinder 8, which enables the stacking stops 4 to be folded away and folded back.
  • suction pads 10 in the form of tubular catch fingers are fastened to a support tube 11 which extends over the stack width and is guided so that it can move back and forth on guides 12 aligned parallel to the sheet plane in the sheet stack 3a the suction pads 10 perform a precisely defined linear movement during their movement.
  • the tubular catching fingers of the suction grippers 10 have suction nozzles 13 at their free ends which can be pushed in via the stack on their upper side which forms the support for a sheet 3, and which serve to control the interior of the tubular catching fingers and the support tube and correspondingly designed control devices, for example with the aid of pneumatically or valves controlled electrically via microprocessors to which the machine's suction air system is connected.
  • the suction grippers 10 are also driven via a drive shaft 14 which is articulated to the support tube 11 and coaxial to the drive shaft 7 for the Stack stops 4 is stored.
  • One end of the drive shaft 14 is rotatably mounted adjacent to the one side wall in a bearing 15 formed on the drive shaft 7.
  • the other end of the drive shaft 14 has a bearing 16 in the side wall 1 and is connected to the piston rod of a pneumatic cylinder 18 in an articulated manner outside this side wall by the one arm of a lever 17 fastened on the drive shaft 14.
  • a lever 17a is fastened to the shaft 14 on each side of the machine, and this is articulated to a relatively small pneumatic cylinder 19, the piston rod of which is articulated to the support tube 11 or to a carriage 20 supporting it on the guide 12.
  • the pneumatic cylinder 18 enables the suction grippers 10 to be inserted and withdrawn, while the two pneumatic cylinders 19 enable a sheet tightening by limited retraction of the suction grippers 10 in the direction against the stacking stops 4.
  • This limited movement can be adjusted by an adjusting screw 21 which can be rotated on the piston rod of the pneumatic cylinder 19 and by means of which the maximum piston stroke of the pneumatic cylinder 19 can be regulated.
  • suction grippers 22 are arranged movably on guides 23 linearly between suction disks 24 of a suction roller 25, from which stops 26 for the sheet trailing edge extend vertically downward into the area of the sheet stack 3a.
  • the suction grippers 22 are also tubular in the form of catching fingers and have suction nozzles 27 in the area which can be inserted via the sheet stack 3a on the upper side serving for the sheet support, said suction nozzles 27 via the hollow catching fingers, a common supply line 28 and corresponding ones, for example pneumatically or electrically, for example by means of Microprocessors, controlled control valves on the machine's suction air system are connected.
  • the suction grippers 22 are driven by a pneumatic cylinder 29, the piston movement of which is transmitted through a driving rack 30, between gears 31, 32, 33 and an output rack 34 to the suction grippers 22, so that the latter is linear with the suction nozzles 27 over the rear edge of the Sheet stack can be inserted and withdrawn.
  • the piston rod of the pneumatic cylinder 29 is axially movably guided in the body of the toothed rack 30 and connected to it by a small pneumatic cylinder 35, the housing of which is articulated to the piston rod and the piston rod is articulated to the body of the toothed rack 30 is.
  • Set screws 36 which are rotatably arranged on a thread of the piston rod, serve to adjust the stroke movement of this small pneumatic cylinder 35.
  • the pneumatic cylinders 18 and 29 for driving the suction grippers 10 for the leading edge of the sheet and the suction grippers 22 for the trailing edge of the sheet can be actuated independently or alternately via a switch.
  • the arrangement of a control is advantageous, which causes the suction grippers 10 and 22 to be inserted first over the sheet stack 3a, in order to then use a rake 37 or, after the stacking stops 4 have been folded away, another auxiliary stacking device, such as e.g. a board to be inserted into the gap between the uppermost sheet on the sheet stack 3a and the sheet held by the suction pads 10 and 22.
  • the stacking stops 4 are only folded back again before the auxiliary stack is released and the suction pads 10 and 22 are withdrawn.
  • the device described is effective as follows.
  • the pneumatic cylinders 8, 18 and 29 for driving the stacking stops 4 for Front edge of the sheet retracted for the suction pads on the front edge of the sheet and for suction pads on the rear edge of the sheet.
  • the suction pads are thus retracted behind the stacking stops 4 on the front edge and 26 on the rear edge.
  • the small pneumatic cylinders 19 and 35 are extended.
  • the pneumatic cylinder 18 first executes and pushes the suction pads 10 with the suction nozzles 13 over the sheet stack at the leading edge of the sheet.
  • the pneumatic cylinder 29 executes and pushes the suction grippers 22 from the trailing edge of the sheet with the suction nozzles 27 to the stack of sheets, so that the next incoming sheet 3 lies with the leading edge on the suction grippers 10 and with the trailing edge on the suction grippers 22, so that it sags in the middle area and is supported on the sheet stack.
  • the arc is shortened by the dimension a shown in FIG. 5 on the trailing edge of the arc.
  • the small pneumatic cylinders 19 and 35 are now acted on so that they retract by the dimension a of the sheet shortening and tighten the sheet again against the stacking stops 4 and 26. The extent of this tightening movement can be adjusted by means of the adjusting screws 21 and 36 on the piston rods of the pneumatic cylinders 19 and 29.
  • the pneumatic cylinders 8, 18 and 29 drive the stacking stops 4 and the suction pads 10 and 22 again, so that the stacking stops 4 are folded up and the suction pads 10 and 22 are withdrawn from the area of the sheet stack, so that the auxiliary stack falls on a new pallet or the like.
  • the small pneumatic cylinders 19 and 35 extend to restore the starting position.
  • the stack stops 4 are also folded back after the suction pads 10 and 22 have been retracted in order to remove test sheets for assessment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Discharge By Other Means (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP91103465A 1990-04-06 1991-03-07 Receveur de feuilles pour machines à imprimer Expired - Lifetime EP0450333B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91103465T ATE97884T1 (de) 1990-04-06 1991-03-07 Bogenausleger fuer druckmaschinen oder dergleichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4011286 1990-04-06
DE4011286A DE4011286A1 (de) 1990-04-06 1990-04-06 Bogenausleger fuer druckmaschinen oder dergleichen

Publications (2)

Publication Number Publication Date
EP0450333A1 true EP0450333A1 (fr) 1991-10-09
EP0450333B1 EP0450333B1 (fr) 1993-12-01

Family

ID=6403969

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103465A Expired - Lifetime EP0450333B1 (fr) 1990-04-06 1991-03-07 Receveur de feuilles pour machines à imprimer

Country Status (6)

Country Link
US (1) US5131647A (fr)
EP (1) EP0450333B1 (fr)
JP (1) JPH0755759B2 (fr)
AT (1) ATE97884T1 (fr)
CA (1) CA2035937C (fr)
DE (2) DE4011286A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0773179A3 (fr) * 1995-11-09 1997-10-01 Heidelberger Druckmasch Ag Dispositif pour faire des piles auxiliaires pendant l'échange en continue de piles dans un empileur d'une machine à imprimer
EP0974543A1 (fr) * 1998-07-21 2000-01-26 Gerhard Kurt Méthode et dispositif pour la formation de piles de feuilles
WO2011057919A1 (fr) * 2009-11-10 2011-05-19 Windmöller & Hölscher Kg Dispositif et procédé pour la formation de piles de sachets
US9499358B2 (en) 2014-09-17 2016-11-22 Heidelberger Druckmaschinen Ag Device for combining an auxiliary stack with a main stack and sheet-fed printing press or sheet punching machine having the device

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4131015C2 (de) * 1991-09-18 1995-10-05 Roland Man Druckmasch Bogenausleger
DE4221928B4 (de) * 1992-07-03 2004-06-24 Heidelberger Druckmaschinen Ag Vorrichtung zum Non-Stop-Stapelwechsel im Ausleger einer Druckmaschine
DE4317357C1 (de) * 1993-05-25 1994-11-24 Roland Man Druckmasch Verfahren und Vorrichtung zur exakten Trennung eines Hilfsstapels von einem Hauptstapel bei Non-Stop-Auslegern von bogenverarbeitenden Druckmaschinen
DE4405586C1 (de) * 1993-05-25 1995-06-08 Roland Man Druckmasch Vorrichtung zur exakten Trennung eines Hilfsstapels von einem Hauptstapel bei einem Non-Stop-Ausleger in einer bogenverarbeitenden Druckmaschine
ATE154570T1 (de) * 1994-02-22 1997-07-15 Roland Man Druckmasch Vorrichtung zur exakten trennung von haupt- und hilfsstapel an der bogenhinterkante bei non-stop- anlegern
DE4431669B4 (de) * 1994-09-06 2006-01-12 Heidelberger Druckmaschinen Ag Vorrichtung zum Ablegen von mit einer Druckmaschine im fortlaufenden Betrieb erstellten, unterschiedlichen Produkten
DE19507370C2 (de) * 1995-03-03 2003-01-09 Heidelberger Druckmasch Ag Bogenausleger für eine Druckmaschine
EP0737640B1 (fr) * 1995-04-15 2001-07-04 Heidelberger Druckmaschinen Aktiengesellschaft Procédé et dispositif pour introduire un récepteur de pile auxiliaire
DE19516071C2 (de) * 1995-05-04 1997-12-04 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zum Wechseln eines Hauptstapels an Bogendruckmaschinen bei kontinuierlicher Zuführung von Bogen
JP4189065B2 (ja) * 1998-09-14 2008-12-03 株式会社小森コーポレーション 枚葉輪転印刷機におけるシート受け装置
DE19911524C2 (de) * 1999-03-16 2002-02-14 Roland Man Druckmasch Vorrichtung zum Wechseln von Bogenstapeln in einem Ausleger einer Bogendruckmaschine
DE10056728A1 (de) 1999-12-08 2001-06-13 Heidelberger Druckmasch Ag Vorrichtung zum Hochhalten von Bogen
DE10061005B4 (de) 1999-12-22 2009-11-12 Heidelberger Druckmaschinen Ag Trennhilfe beim Stapelwechsel an einer Druckmaschine
TWI278481B (en) 2002-04-16 2007-04-11 Hitachi Chemical Co Ltd Thermosetting resin composition, prepreg and laminate using the same
JP4040394B2 (ja) * 2002-08-27 2008-01-30 株式会社リコー シート搬送装置及び画像読取装置
DE10322546A1 (de) * 2003-05-20 2004-12-09 Koenig & Bauer Ag Hilfsstapeleinrichtung im Ausleger einer bogenverarbeitenden Maschine, insbesondere Druckmaschine
DE102005014296A1 (de) * 2005-03-24 2006-09-28 Man Roland Druckmaschinen Ag Bogenhinterkantenstütze
US7717419B2 (en) * 2007-03-28 2010-05-18 A. G. Stacker Inc. Accumulator having rotary drive
JP5439611B1 (ja) * 2013-01-24 2014-03-12 トタニ技研工業株式会社 シート状製品搬送装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921154C (de) * 1953-05-23 1954-12-09 Roland Offsetmaschf Bogenausleger fuer Druckmaschinen
DE2218535B1 (de) * 1972-04-17 1973-03-15 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenabstützvorrichtung an Bogenauslegern von bogenverarbeitenden Maschinen zur Durchführung des Stapelwechsels bei laufender Maschine
CH593139A5 (fr) * 1975-05-07 1977-11-30 Heidelberger Druckmasch Ag
DE2301840B2 (de) * 1973-01-15 1980-07-03 M.A.N.-Roland Druckmaschinen Ag, 6050 Offenbach Bogenauslegevorrichtung einer Bogendruckmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2106199A (en) * 1932-08-31 1938-01-25 Faber & Schleicher A G Sheet delivery device and method
US2785894A (en) * 1952-03-29 1957-03-19 Maschf Augsburg Nuernberg Ag Sheet delivering mechanism for printing presses
US2836418A (en) * 1953-05-22 1958-05-27 Roland Offsetmaschf Stacking device for printing machines
DE3609549A1 (de) * 1986-03-21 1987-10-01 Mabeg Maschinenbau Gmbh Nachf Trennvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE921154C (de) * 1953-05-23 1954-12-09 Roland Offsetmaschf Bogenausleger fuer Druckmaschinen
DE2218535B1 (de) * 1972-04-17 1973-03-15 Heidelberger Druckmaschinen Ag, 6900 Heidelberg Bogenabstützvorrichtung an Bogenauslegern von bogenverarbeitenden Maschinen zur Durchführung des Stapelwechsels bei laufender Maschine
DE2301840B2 (de) * 1973-01-15 1980-07-03 M.A.N.-Roland Druckmaschinen Ag, 6050 Offenbach Bogenauslegevorrichtung einer Bogendruckmaschine
CH593139A5 (fr) * 1975-05-07 1977-11-30 Heidelberger Druckmasch Ag

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0773179A3 (fr) * 1995-11-09 1997-10-01 Heidelberger Druckmasch Ag Dispositif pour faire des piles auxiliaires pendant l'échange en continue de piles dans un empileur d'une machine à imprimer
EP0974543A1 (fr) * 1998-07-21 2000-01-26 Gerhard Kurt Méthode et dispositif pour la formation de piles de feuilles
WO2011057919A1 (fr) * 2009-11-10 2011-05-19 Windmöller & Hölscher Kg Dispositif et procédé pour la formation de piles de sachets
US9427927B2 (en) 2009-11-10 2016-08-30 Windmoeller & Hoelscher Kg Apparatus and method for forming stacks of bags
US9499358B2 (en) 2014-09-17 2016-11-22 Heidelberger Druckmaschinen Ag Device for combining an auxiliary stack with a main stack and sheet-fed printing press or sheet punching machine having the device

Also Published As

Publication number Publication date
CA2035937A1 (fr) 1991-10-07
DE4011286C2 (fr) 1992-04-16
DE4011286A1 (de) 1991-10-17
JPH0755759B2 (ja) 1995-06-14
JPH0692532A (ja) 1994-04-05
CA2035937C (fr) 1994-10-11
ATE97884T1 (de) 1993-12-15
US5131647A (en) 1992-07-21
DE59100644D1 (de) 1994-01-13
EP0450333B1 (fr) 1993-12-01

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