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EP4355674A1 - Moyen d'insertion dans une pile comportant des rouleaux de support et une tête, moyen de distribution, machine de traitement de feuille et procédé de changement de piles - Google Patents

Moyen d'insertion dans une pile comportant des rouleaux de support et une tête, moyen de distribution, machine de traitement de feuille et procédé de changement de piles

Info

Publication number
EP4355674A1
EP4355674A1 EP23724703.6A EP23724703A EP4355674A1 EP 4355674 A1 EP4355674 A1 EP 4355674A1 EP 23724703 A EP23724703 A EP 23724703A EP 4355674 A1 EP4355674 A1 EP 4355674A1
Authority
EP
European Patent Office
Prior art keywords
rollers
insert
stack
box profile
stacking
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.)
Pending
Application number
EP23724703.6A
Other languages
German (de)
English (en)
Inventor
Volker Kessler
Marko SPRINGER
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer 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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP4355674A1 publication Critical patent/EP4355674A1/fr
Pending legal-status Critical Current

Links

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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a 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
    • 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 stacking insert for a sheet processing machine with rotationally drivable support rollers for sheets to be picked up that extend over the width of the stacking insert and with a box-shaped reinforced tip in front of the support rollers in the insertion direction, a delivery with such a stacking insert, a sheet processing machine with a delivery with a such a stack insert and a method for changing stacks on a sheet processing machine with a stack insert.
  • Non-stop roller blinds in the delivery of sheet-fed printing machines have the task of storing the sheets printed during a stack change until an empty pallet is available on the stack support plate to receive these sheets, the so-called auxiliary stack. Due to ever higher printing speeds, the stack heights and weights of the auxiliary stacks have increased significantly in recent years. This results in severe deformation of the elements of the non-stop roller blinds.
  • DE 1 145637 A shows an auxiliary stacking device for use in the storage space of a sheet processing machine with a support member that can be inserted into the stacking space and has a flexible covering that is guided around displaceable deflection rollers and is attached to the machine frame at both ends, the deflection rollers and any others Support rollers are held laterally by chains, which run along their path in closed guides, the chains also forming a chain drive together with a drive sprocket that engages directly in them.
  • the US 3,341,032 A shows an auxiliary device for dividing stacks of sheets and for facilitating the introduction of separating rods in continuously operating sheet feeders, with a stacking wedge being equipped on its upper and lower back with one or more self-contained endless rows of balls, one side of which Row of balls on the back of the wedge is open so that the balls come into contact with the bow and the other side of the same row of balls is sunk into the back of the wedge so that it does not come into contact with the bow or stacking surface.
  • GB 2 417 027 A shows a support rod for a blank processing machine with bearing means which protrude beyond its top and bottom, allowing blanks picked up above and below the rod to roll over its top and bottom.
  • an intermediate stacking device in the delivery of a sheet processing machine, in particular a printing press is known, with an intermediate stack carrier which can be retracted into the stacking area and extended out of the stacking area in the opposite direction to the entry direction, which consists of articulated, rotatable support rollers which can be guided in guides are arranged, is formed, the frontmost support roller in the retraction direction being designed with a reduced diameter with respect to the remaining support rollers, the guides being designed such that during retraction or extension, the arch-bearing surface line of the frontmost support roller in the retraction direction is at a height level below the Height levels of the arch-bearing surface lines of the other support rollers are moved, and in the retracted state of the intermediate stack carrier, the arch-bearing surface lines of all support rollers run at the same height level.
  • a boom insertion, in particular auxiliary stacking device is known, with a front roller arrangement located at the front in the insertion direction, a middle roller arrangement, a rear roller arrangement, and a coupling device for coupling the roller arrangements to form an overall displaceable unit, the front Roller arrangement is formed by one or more rollers mounted on both sides, the diameter of which is smaller than the thickness of the boom insert itself, measured perpendicular to the support surface.
  • a sheet processing machine a method for picking up at least one sheet area with a support structure and a use of a traction means for driving a drivable element of a support structure are known, with means being provided with which a drivable element that comes into contact with the sheet can be driven during the movement of the support structure in such a way that a contour of the element that comes into contact with the arch has a relative movement to the arch.
  • the invention is based on the object of creating an alternative stack insertion or an alternative method for stack changing and, in particular, of further improving the stack changing process on sheet processing machines.
  • a box-shaped hollow profile with an internal shaft is provided as the tip, which is driven, for example, via a pinion with a rack, preferably on the drive side of the machine.
  • rollers on the shaft which in particular have the same diameter as have the following rollers (for example 30 mm) and are driven in the same way as the following rollers when moving the non-stop roller blind.
  • the two necessary construction elements which are housed in the same installation space in a manner of mutual penetration, enable both a rigid box and driven rollers as far forward as possible at the tip.
  • the box profile can be designed in such a way that it can occupy two different positions in the room.
  • the tip When entering the stack, for example in the transport direction or sheet travel direction, the tip can preferably be inclined downwards. Shortly before reaching the end position, the box profile can, for example, move onto a curve so that the tip is raised and the sheets of the auxiliary stack are supported as close as possible to the leading edge of the sheet.
  • all of the rollers of the non-stop roller blind rotate when moving in and out in such a way that there is no relative movement at the point of contact with the paper and the sheets are therefore not moved when the roller blind is extended or extended.
  • This is achieved, for example, by a rack and a pinion attached to the non-stop roller blind, which is attached to the individual rollers.
  • small, preferably non-driven, support rollers can be attached to the tip, for example over the entire width of the box profile.
  • non-driven rollers so-called ball rollers, can also be embedded on the top in the box profile.
  • the special design of the tip which on the one hand has the high rigidity of a closed box profile and on the other hand has driven rollers, advantageously prevents the auxiliary stack from tearing, especially when extending the non-stop roller blind.
  • the rigidity of the roller blind tip considerably improved. This means that even higher auxiliary stacking weights can be managed without causing damage to the assembly.
  • Fig. 1 shows a delivery of a sheet processing machine with a non-stop device
  • Fig. 2 is a perspective view of a non-stop roller blind with a tip
  • Fig. 3 is a sectional view of the tip of the non-stop roller blind.
  • FIG. 1 shows, for example, the stacking area of a delivery 01 of a sheet-processing machine, for example a sheet-fed printing machine, in particular a sheet-fed offset rotary printing machine, preferably in an aggregate and row design, in which the processed, for example printed and/or varnished, sheets are deposited.
  • a sheet-processing machine for example a sheet-fed printing machine, in particular a sheet-fed offset rotary printing machine, preferably in an aggregate and row design, in which the processed, for example printed and/or varnished, sheets are deposited.
  • rotating transport systems are preferably used, for example gripper carriages 02 carrying clamping grippers, of which the sheets are transported fixed at their front edges in the transport direction T to the stacking area.
  • the transport systems are designed here, for example, as chain transport systems with two delivery chains guided laterally on the frame of the display 01, between which the gripper carriages 02 are arranged. From the delivery chains, the gripper carriages 02 are guided in particular continuously on a gripper carriage track in the transport direction
  • sheet guide plates can be arranged below the sheet transport path, which guide the sheets on the way to the delivery stack 03.
  • Such sheet guide plates preferably have at least approximately closed surfaces for sliding and/or floating guidance of the sheets.
  • the sheet guide plates can be assigned nozzle openings, in particular Venturi nozzles, for pneumatic guidance of the sheets.
  • the machine can also have a turning device and can preferably be designed to be switchable between the face printing and face and reverse printing operating modes. An air cushion can be formed between the sheet guide plates and the sheets transported over them, especially in the perfecting and reverse printing mode.
  • a stack support plate 04 which can be moved vertically by a stack lifting device (not shown) and which can, for example, carry a pallet 05 for receiving the sheets to be displayed.
  • the grippers of the gripper carriages 02 open and release the sheets so that they sink, for example, onto the pallet 05 arranged on the stack support plate 04 under the effect of gravity.
  • blowing means for example a blowing frame, preferably with axial fans, can be arranged, which support the depositing movement of the sheets released by the gripper carriages 02.
  • the delivery stack 03 is preceded by a sheet brake 06 with respect to the transport direction T, which takes over the sheets to be deposited from the gripper carriage 02 and, after their release, decelerates them from the machine speed to the delivery speed.
  • a sheet brake 06 can, for example, have pneumatically acting rotating and/or rotating braking elements acting on the underside of the sheet.
  • the slowed down bows are particularly noticeable Stop surfaces of front edge stops 07 preferably under the action of the blown air from above and sink down to the stack surface. In this way, the display stack 03 is formed on the pallet 05 from sheets placed one on top of the other.
  • the stack support plate 04 is lowered by the stack lifting drive, so that each sheet to be deposited covers approximately the same falling distance to the stack surface.
  • the stack lowering movement can be controlled or regulated using sensors. If the display stack 03 has reached a certain or maximum height, the delivery stack 03 can be delivered without interruption using a non-stop device 08.
  • the non-stop device 08 can also be used to separate different print jobs or the like.
  • the delivery 01 can also be equipped with a logistics system for the preferably automated transport of full and/or empty pallets 05 or can also be designed as a double-stack or multiple-stack delivery.
  • the non-stop device 08 in the delivery 01 has a stack insert that can be moved by a drive, in particular an auxiliary stack carrier.
  • This stacking insert can be inserted or retracted into the stacking area or the sheet fall area and can be pulled out or moved out of the stacking area in the opposite direction to the insertion direction.
  • the stack insert here as an auxiliary stack carrier, can be moved into the stacking area in the transport direction T in order to carry the sheets to be picked up, the sheets picked up by the stack insert forming an auxiliary stack.
  • the non-stop device 08 or the stack insert is here preferably arranged directly below the sheet brake 06 and in particular has a separate auxiliary stack lifting device for vertical displacement.
  • the delivery stack 03 In order for the stack insert or auxiliary stack carrier to move into the stacking area, the delivery stack 03 must be lowered so that the stack insert or auxiliary stack carrier is in an enlarged area Gap between two sheets that fall directly on top of each other can enter in the stacking area.
  • Fig. 2 shows a perspective view of a stack insert as an auxiliary stack carrier, for example a non-stop roller blind 09, for a sheet processing machine, for example as described above.
  • the non-stop roller blind 09 has rotationally drivable support rollers 10 for the sheets to be picked up, which extend over the width of the non-stop roller blind 09, and a box-shaped reinforced tip located in front of the support rollers 10 in the insertion direction, for example in the transport direction T of the sheets.
  • the support rollers 10 can be accommodated on both sides by chain links of a chain.
  • the box-shaped reinforced tip is designed as a box profile 11 penetrated by a plurality of rollers 12.
  • some and preferably all support rollers 10 of the non-stop roller blind 09 each have a surface line or surface that supports the sheets to be picked up over the width of the non-stop roller blind 09.
  • the sheets to be picked up lie at least approximately continuously on the upper surface line of a respective support roller 10.
  • rollers 12 penetrating the box profile 11 are mounted so that they can be driven around a common axis of rotation, in particular, whereby the rollers 12 can be mounted or fixed as separate elements on a common shaft 13 or can also be formed by a continuous roller which is pierced in areas, for example.
  • the rollers 12 are preferably mounted on a common shaft 13, the common shaft 13 being mounted only at its ends facing away from one another on bearing points, in particular bearing blocks 14, or on at least three bearing points, in particular bearing blocks 14, preferably within the box profile 11.
  • the rollers 12 can be fixed on the shaft 13 in a non-positive and/or positive manner using screws, in particular using grub screws.
  • all support rollers 10 and the rollers 12 penetrating the box profile 11 have the same diameter, for example 30 mm.
  • the box profile 11 preferably encloses the shaft 13 carrying the rollers 12, with the shaft 13 carrying the rollers 12 being arranged approximately in the middle of the box profile 11 with respect to the insertion direction, here the transport direction T, of the non-stop roller blind 09.
  • the rollers 12 preferably protrude beyond the box profile 11 on the surface facing the sheet to be picked up.
  • the sheet-bearing vertex of the peripheral surface of a roller 12 can be spaced, for example, between 0.5 and 3 mm from the surface of the box profile 11 facing the sheet to be picked up.
  • the projection of the rollers 12 from the surface of the box profile 11 is at least approximately 2.5 mm.
  • the rollers 12 are preferably fixed on the shaft 13 at a distance from one another, with each roller 12 in this case having a width of approximately 11.5 mm, with radii of, for example, 3 mm each on both sides preferably only 5.5 mm on the contact line or Circumferential surface is available for arc contact. Rollers 12 rounded in this way prevent the undersides of the sheets from being marked.
  • the surface of the box profile 11 facing the sheet to be picked up can be formed by two parts arranged at an obtuse angle to one another, for example metal sheets or a correspondingly bent metal sheet.
  • the two parts are arranged at an angle of at least approximately 10°.
  • the box profile 11 is preferably fixed on both sides to signs 15 carrying cam rollers 16, which interact with corresponding cam tracks, particularly in the area of the front edge stops 07.
  • the box profile 11 is held by spring elements, not shown, in an orientation inclined to the horizontal and, when the cam rollers 16 run onto the cam tracks, is moved into an at least approximately horizontal orientation, in which a surface part of the box profile 11 is at least approximately parallel to a flat, preferably horizontal
  • the support surface of the rollers 12 and support rollers 10 stands for the sheets to be picked up.
  • the box profile 11 is preferably pivotally mounted by means of the plates 15, in particular about an axis of rotation of the rollers 12, where the box profile 11 or the signs 15 and the immediately adjacent support roller
  • the pinions interact with a preferably overhead common stationary rack in such a way that the support rollers 10 and the rollers 12 penetrating the box profile 11 move simultaneously and in the same direction during a retraction movement or an extension movement of the non-stop roller blind 09. H. are analog forced-driven. A relative movement of the contact points of the support rollers 10 or the rollers 12 penetrating the box profile 11 to the underside of the lowest sheet to be caught is thus prevented.
  • One or more flexible support elements can also be placed over the support rollers 10, which can further improve the reception of the sheets.
  • one or more storage locations for receiving the flexible support elements can be assigned to the support roller 10 immediately adjacent to the box profile 11.
  • the storage locations can act as punctured areas in a type of tape storage 18.
  • the tape storage 18 can release the wound tapes (not shown) during the retraction movement of the non-stop roller blind 09 or pick them up again when the non-stop roller blind 09 is extended from the stacking area by rotating the last support roller 10, preferably wind them up again.
  • the tip of the non-stop roller blind 09 in particular the box profile 11, can be movable on its front facing in the insertion direction or transport direction T, in particular rotationally movable, accommodated support rollers 19.
  • Several support rollers 19 can be arranged next to one another coaxially across the width of the non-stop roller blind 09.
  • the support rollers 19 in particular have a smaller diameter than the diameter of the support rollers 10 or rollers 12 and are preferably not drivable or driven. A movement, in particular rotation, of the support rollers 19 is therefore primarily only caused by arc contact.
  • Fig. 3 shows a sectional view of the tip of the non-stop roller blind 09 in an enlarged view.
  • the box profile 11 preferably comprises an upper part 20 and lower part 21 that can be joined together.
  • a plurality of bearing points, in particular bearing blocks 14, for the shaft 13 carrying the rollers 12 are preferably arranged between the lower part 21 and the upper part 20.
  • such a bearing block 14 can be assigned to every fourth or every third roller 12.
  • spacers can also be assigned to one, several or each roller 12, preferably on both sides, through which the shaft 13 passes through without contact.
  • the box profile 11 can preferably be produced by means of releasable fixing connections, in particular screw connections.
  • the upper part 20 and the lower part 21 are connected to one another via screws 22.
  • the bearing blocks 14 for the shaft 13 and/or the spacers, in particular through which the shaft 13 passes, are also fixed within the box profile 11 by means of the screws 22.
  • movably mounted contact elements for the sheets to be picked up could be assigned to the box profile 11, in particular to the upper part 20, which is formed here by the two parts arranged at an obtuse angle to one another.
  • the box profile 11 or the upper part 20 can, for example, carry ball rollers, which cannot be driven and improve the ability of the non-stop roller blind 09 to be moved under the arch taken up.
  • the stack insertion in particular the non-stop roller blind 09, is connected to the rotationally driven support rollers 10, which extend over the width of the non-stop roller blind 09, and with one of the support rollers 10 in the insertion direction, here the transport direction T , upstream box-shaped reinforced tip for picking up sheets is inserted into the stacking area.
  • the auxiliary stack of sheets that continue to fall is formed on the non-stop roller blind 09.
  • the rollers 12 are driven in particular in the same way as the support rollers 10.
  • the rollers 12 are driven in particular at a speed corresponding to the retraction speed of the non-stop roller blind 09, with the rollers 12 holding the sheet at a distance from the surface, here the upper part 20, of the box profile 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)

Abstract

L'invention concerne un moyen d'insertion dans une pile (09) comprenant des rouleaux de support (10) pouvant être entraînés en rotation pour la saisie de feuilles, lesdits rouleaux de support s'étendant sur la largeur du moyen d'insertion dans une pile (09), et comportant une tête renforcée de type boîtier qui est montée en amont des rouleaux de support (10) dans la direction d'insertion (T). La tête renforcée de type boîtier est conçue sous la forme d'un profilé de boîtier (11) à travers lequel passe une pluralité de rouleaux (12).
EP23724703.6A 2022-06-10 2023-05-02 Moyen d'insertion dans une pile comportant des rouleaux de support et une tête, moyen de distribution, machine de traitement de feuille et procédé de changement de piles Pending EP4355674A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022114618.9A DE102022114618A1 (de) 2022-06-10 2022-06-10 Stapeleinschub mit Tragrollen und einer Spitze
PCT/EP2023/061503 WO2023237255A1 (fr) 2022-06-10 2023-05-02 Moyen d'insertion dans une pile comportant des rouleaux de support et une tête, moyen de distribution, machine de traitement de feuille et procédé de changement de piles

Publications (1)

Publication Number Publication Date
EP4355674A1 true EP4355674A1 (fr) 2024-04-24

Family

ID=86424728

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23724703.6A Pending EP4355674A1 (fr) 2022-06-10 2023-05-02 Moyen d'insertion dans une pile comportant des rouleaux de support et une tête, moyen de distribution, machine de traitement de feuille et procédé de changement de piles

Country Status (4)

Country Link
EP (1) EP4355674A1 (fr)
CN (1) CN117836227B (fr)
DE (1) DE102022114618A1 (fr)
WO (1) WO2023237255A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1145637B (de) 1961-08-11 1963-03-21 Huck Entwicklung G M B H Hilfsstapelvorrichtung
DE1205556B (de) 1964-07-15 1965-11-25 Mabeg Maschb G M B H Hilfsgeraet zum Teilen von Bogenstapeln
GB1533871A (en) * 1976-08-12 1978-11-29 Wiggins Teape Ltd Sheet stack divider
DE4244384C2 (de) * 1992-12-29 1998-02-12 Kba Planeta Ag Hilfsstapeleinrichtung für Bogenausleger in Druckmaschinen
DE10249034C1 (de) 2002-10-22 2003-12-18 Koenig & Bauer Ag Zwischenstapeleinrichtung im Ausleger einer bogenverarbeitenden Maschine, insbesondere Druckmaschine
GB2417027A (en) 2004-08-13 2006-02-15 Field Group Plc Support bars including bearing means
DE102005058197A1 (de) * 2005-12-06 2007-06-21 Man Roland Druckmaschinen Ag Bogenstütze
DE102006001582A1 (de) 2006-01-12 2007-07-19 Man Roland Druckmaschinen Ag Auslegereinschub, insbesondere Hilfsstapeleinrichtung
DE102008044110A1 (de) * 2007-11-30 2009-06-04 Koenig & Bauer Aktiengesellschaft Ausleger einer bogenverarbeitenden Maschine, insbesondere Druckmaschine, zur Ablage von Bogen auf einem Auslegerstapel
DE102012021268B4 (de) * 2011-11-25 2023-10-05 Heidelberger Druckmaschinen Ag Verfahren und Vorrichtung zur Bildung eines Hilfsstapels
DE102013214531A1 (de) 2012-07-27 2014-01-30 Koenig & Bauer Ag Bogenverarbeitende Maschine, Verfahren zum Aufnehmen zumindest eines Bogenbereiches mit einer Tragstruktur und Verwendung eines Zugmittels zum Antrieb eines antreibbaren Elementes einer Tragstruktur
DE102016209116A1 (de) * 2016-05-25 2017-11-30 Koenig & Bauer Ag Bogenleitvorrichtung für eine bogenverarbeitende Maschine sowie Verfahren zum Betrieb einer Auslagevorrichtung

Also Published As

Publication number Publication date
DE102022114618A1 (de) 2023-12-21
WO2023237255A1 (fr) 2023-12-14
CN117836227B (zh) 2024-11-29
CN117836227A (zh) 2024-04-05

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