EP0432412B1 - Bogenausleger für eine Bogendruckmaschine - Google Patents

Bogenausleger für eine Bogendruckmaschine Download PDF

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Publication number
EP0432412B1
EP0432412B1 EP90119794A EP90119794A EP0432412B1 EP 0432412 B1 EP0432412 B1 EP 0432412B1 EP 90119794 A EP90119794 A EP 90119794A EP 90119794 A EP90119794 A EP 90119794A EP 0432412 B1 EP0432412 B1 EP 0432412B1
Authority
EP
European Patent Office
Prior art keywords
sheet
movement
stops
stack
sheets
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
EP90119794A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0432412A3 (en
EP0432412A2 (de
Inventor
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
Publication of EP0432412A2 publication Critical patent/EP0432412A2/de
Publication of EP0432412A3 publication Critical patent/EP0432412A3/de
Application granted granted Critical
Publication of EP0432412B1 publication Critical patent/EP0432412B1/de
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 a sheet-fed printing press, in which fold-away stacking stops and catch fingers that can be inserted briefly are provided according to the preamble of claim 1.
  • Such a sheet delivery device is known from DE-PS 23 01 840.
  • the design features of this known arrangement make it possible, on the one hand, to remove a sample sheet and, on the other hand, to insert an auxiliary stacking device, for example a stacking rake or the like, in order to keep the sheet stack in the sheet delivery device in non-stop operation to be able to switch.
  • the sheets are transported from the sheet printing machine by endless chain conveyors with the leading edge of the sheet against the stacking stops arranged in a collapsible manner and placed on the sheet stack.
  • the catch fingers which can be inserted briefly from the front edge of the sheet up to the sheet stack and are arranged on one arm of an angle lever, the other arm of which is connected to a swivel arm via a resilient connecting member, are used to remove sample sheets and to form an auxiliary stack in non-stop operation is, which sits on the pivotable by means of a hand lever pivot shaft for the stacking stops, so that the movement of the catch fingers and the stacking stops can take place in the required dependence on each other.
  • a parallel guide linkage converts the rotary movement of the swivel shaft into an insertion movement, in which the catch fingers keep their horizontal position, but move on an arc path, which impairs operational safety. With the catch fingers pushed in and, in contrast, folded away with a delay
  • the invention has for its object to develop a sheet delivery of the type mentioned in such a way that with further improvement in operational reliability when taking a sample sheet or when changing stacks more precise movement sequences can be achieved with higher movement speeds and a movement of catch fingers and stack stops in different operating modes is possible .
  • Stack stops can either be taken from a sample sheet or an auxiliary device can be inserted to form an auxiliary stack for the stack change in non-stop operation.
  • the movement of the catching fingers is motorized by means of a pneumatic cylinder, the movement of which, however, is controlled by the hand lever operating the pivot shaft for the stacking stops via a switching element, in order in this way to relate the mutual dependency of the movements of the stacking stops and the catching fingers to reach.
  • a sheet delivery with a catching device for the leading edge of the sheet is known, in which the catching fingers can be pivoted about horizontal axes via angular gears, so that a lever guide for securing the most straight-line catching finger movement parallel to the plane of the incoming sheet is omitted , but in this device, which can also be operated by means of a hand lever, the folding movement of the stacking stops begins at the same time as the swiveling movement of the catch fingers, so that there is a considerable risk of slipping of sheets when switching over, especially in high-speed machines.
  • US-A-3,966,196 discloses a sheet delivery device.
  • the movement of support fingers into the stack area is coupled to a pivoting movement of the stack stops directed away from the stack.
  • the support fingers are lowered while the support fingers move into the stacking area.
  • Coupling the movement of stacking stops and catch fingers makes it possible to take out a test sheet.
  • folding the stacking stops away can lead to difficulties in building a correct auxiliary stack front edge come. This is all the more serious since these incorrectly aligned print copies are stored on a new pallet that can be moved up from below.
  • the continuous delivery of the printed copies thus takes place on the top of incorrectly aligned copies, which can then no longer be corrected in their position.
  • Protruding edges are easy to bend, tear or become soiled during transport within a print shop, so that they can no longer be removed by customers and are attributed to waste, even though the print quality is an.
  • motorized drives separately for the stack stops and for the movement of the catch fingers enables the use of simple switching elements for the inevitably dependent control of the movements from one another and for the individual control of both movement processes. Above all, this also makes it possible for the motor drives to be arranged on one of the two machine sides of the boom, on the outside of the machine frame, as a result of which they can be accommodated in the interior of the bow arm, which is very narrow in modern machines, between the side walls of the frame not applicable.
  • the motor drives each act directly on a shaft, the angular movement of which is translated by means of transmission elements to the desired extent and, in the case of the catching fingers, is converted into a linear thrust movement, so that the catching fingers can be guided exactly parallel to the plane of the sheet in the sheet stack during their movement. It is advantageous that even small angular movements of the drive shafts can be translated into relatively large actuating movements by means of suitable translation by means of the transmission elements.
  • Pneumatic cylinders are particularly suitable for motor drives because they can be connected to the existing energy system.
  • 1 and 2 show the two side walls of the frame of the sheet delivery of a sheet printing machine.
  • the sheets arriving from the sheet printing machine are transported up to a sheet stack 3 and placed on this sheet stack.
  • the incoming sheets are transported with the leading edge of the sheet up to stacking stops 4, of which several are arranged next to one another.
  • the stacking stops 4 are fastened to a pivot shaft 5 arranged transversely, which is rotatably mounted in the side walls 1 and 2 of the frame, so that the stacking stops 4 can be folded away by a rotary movement of the pivot shaft 5 and folded back on again.
  • the pivot shaft 5 is guided on one machine side to the outside of the side wall 2.
  • the end of the pivot shaft 5 is connected by transmission members 6 to a drive shaft 7, the motor drive of which consists of a pneumatic cylinder 8 and which has an eccentric connection with respect to the shaft axis.
  • a drive shaft 7 the motor drive of which consists of a pneumatic cylinder 8 and which has an eccentric connection with respect to the shaft axis.
  • an eccentrically arranged rod head 9 is also effective, by means of which an intermittent abrupt movement is transmitted to the stacking stops 4.
  • the pneumatic cylinder 8 acting on both sides enables the stacking stops 4 to be folded away and these stacking stops to be folded back.
  • catch fingers 10 are fastened to a support 11 which extends across the stack width and is guided on guides aligned parallel to the sheet plane in the sheet stack 3 12 is guided back and forth so that the catch fingers 10 perform a precisely defined linear movement during their movement.
  • the catch fingers are also driven by a drive shaft 13 which is articulated to the support 11 by articulated lever 14 and is mounted coaxially to the drive shaft 7 for the stacking stops.
  • the coaxial mounting is made possible in that the one end of the drive shaft 13, directly adjacent to the one side wall 2 of the frame, is rotatably mounted in a bearing 15 formed on the end face of the drive shaft 7, while the other end of the drive shaft 13 has a bearing 16 in the opposite side wall 1.
  • the end of the drive shaft 13 led out of this side wall 1 is connected on this machine side by means of transmission elements 17 to a pneumatic cylinder 18 for the motor drive of the drive shaft 13.
  • the transmission member 17 is designed as a double lever, one arm of which is articulated to the pneumatic cylinder and the other arm of which is articulated to the articulated lever 14.
  • Each of the two pneumatic cylinders 8 and 18 can be actuated for example via switches 20 and 21 on a switch panel 19.
  • Both pneumatic cylinders 8 and 18 can also be mutually dependent on one another via a switch 22 are actuated so that the catch fingers 10 are first inserted over the stack before the stack stops 4 are folded away, in order to then remove one or more test sheets from the stack 3.
  • the individual actuation of the pneumatic cylinders 8 and 18 enables the catch fingers 10 to be inserted first, for example when changing the stack in non-stop operation, and only then is the auxiliary stacking device, for example a rake, an auxiliary stacking table or the like, introduced before the Stacking stops 4 can be folded away for changing the stack 3.
  • the stack stops 4 can then be folded back again before the auxiliary stack is released and the catch fingers are withdrawn.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Advancing Webs (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP90119794A 1989-11-15 1990-10-16 Bogenausleger für eine Bogendruckmaschine Expired - Lifetime EP0432412B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3937944A DE3937944C1 (xx) 1989-11-15 1989-11-15
DE3937944 1989-11-15

Publications (3)

Publication Number Publication Date
EP0432412A2 EP0432412A2 (de) 1991-06-19
EP0432412A3 EP0432412A3 (en) 1991-09-04
EP0432412B1 true EP0432412B1 (de) 1994-12-21

Family

ID=6393557

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90119794A Expired - Lifetime EP0432412B1 (de) 1989-11-15 1990-10-16 Bogenausleger für eine Bogendruckmaschine

Country Status (6)

Country Link
US (1) US5125639A (xx)
EP (1) EP0432412B1 (xx)
JP (1) JPH0633124B2 (xx)
AT (1) ATE115942T1 (xx)
DE (2) DE3937944C1 (xx)
ES (1) ES2067618T3 (xx)

Families Citing this family (12)

* 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
CH687324A5 (fr) * 1992-02-10 1996-11-15 Bobst Sa Cadre de support momentané d'un élément en plaque horizontal au sein d'une machine.
DE4442385C1 (de) * 1994-11-29 1996-01-04 Heidelberger Druckmasch Ag Vorrichtung zur Bildung eines Stapels aus einem Bogenstrom
DE19507370C2 (de) * 1995-03-03 2003-01-09 Heidelberger Druckmasch Ag Bogenausleger für eine Druckmaschine
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
US5544583A (en) * 1995-06-08 1996-08-13 A.B. Dick Company Delivery interrupt mechanism for a printing machine
DE19612294C2 (de) * 1996-03-28 1998-01-29 Heidelberger Druckmasch Ag Auslagesystem für flächige Produkte
DE19612293C2 (de) * 1996-03-28 1998-10-08 Heidelberger Druckmasch Ag Einrichtung zur automatischen Formateinstellung im Ausleger einer Rotationsdruckmaschine
CA2375872A1 (en) 1999-06-04 2000-12-14 Stephen J. Derby Material handling device
DE10129894A1 (de) * 2000-07-28 2002-05-02 Heidelberger Druckmasch Ag Ausleger für eine flächige Bedruckstoffe verarbeitende Maschine, insbesondere eine Druckmaschine
ITMI20031162A1 (it) * 2003-06-10 2004-12-11 Siasprint S R L Sistema di alimentazione per una macchina di stampa serigrafica.
DE102012021268B4 (de) * 2011-11-25 2023-10-05 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Bildung eines Hilfsstapels

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2631038A (en) * 1948-06-15 1953-03-10 Harris Seybold Co Sheet delivery mechanism
US2950108A (en) * 1957-05-29 1960-08-23 Golding William Frank Printing and like machines
FR1381308A (fr) * 1963-08-20 1964-12-14 Materiel Electrique S W Le Générateur d'impulsions à modulation de phase
DE2301840C3 (de) * 1973-01-15 1981-03-26 MAN Roland Druckmaschinen AG, 63075 Offenbach Bogenauslegevorrichtung einer Bogendruckmaschine
US3966196A (en) * 1974-01-14 1976-06-29 Roland Offsetmaschinenfabrik Faber & Schleicher Ag Sheet delivery mechanism
DE2441459B2 (de) * 1974-08-29 1976-07-01 Roland-Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung zum voruebergehenden auffangen und festhalten eines auf einem stapel abzulegenden bogens
DE3112558C2 (de) * 1981-03-30 1983-02-17 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum zwischenzeitlichen Auffangen von Bogen bei Stapelwechsel in einem Bogenausleger

Also Published As

Publication number Publication date
DE59008082D1 (de) 1995-02-02
ATE115942T1 (de) 1995-01-15
US5125639A (en) 1992-06-30
EP0432412A3 (en) 1991-09-04
JPH0633124B2 (ja) 1994-05-02
DE3937944C1 (xx) 1991-04-18
JPH03195664A (ja) 1991-08-27
ES2067618T3 (es) 1995-04-01
EP0432412A2 (de) 1991-06-19

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