EP0680907B1 - Vorrichtung zum Befestigen einer Greiferstange zu einem Kettensystem in einer Maschine zur Behandlung von plattenförmigen Elementen - Google Patents

Vorrichtung zum Befestigen einer Greiferstange zu einem Kettensystem in einer Maschine zur Behandlung von plattenförmigen Elementen Download PDF

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Publication number
EP0680907B1
EP0680907B1 EP95106522A EP95106522A EP0680907B1 EP 0680907 B1 EP0680907 B1 EP 0680907B1 EP 95106522 A EP95106522 A EP 95106522A EP 95106522 A EP95106522 A EP 95106522A EP 0680907 B1 EP0680907 B1 EP 0680907B1
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EP
European Patent Office
Prior art keywords
bar
plate
fact
counter
horizontal
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
EP95106522A
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English (en)
French (fr)
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EP0680907A1 (de
Inventor
Marcel Yerly
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.)
Bobst Mex SA
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Bobst SA
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Publication date
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Publication of EP0680907A1 publication Critical patent/EP0680907A1/de
Application granted granted Critical
Publication of EP0680907B1 publication Critical patent/EP0680907B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00Advancing webs
    • B65H20/16Advancing webs by web-gripping means, e.g. grippers, clips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F21/00Devices for conveying sheets through printing apparatus or machines
    • B41F21/08Combinations of endless conveyors and grippers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04Delivering 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/085Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers by combinations of endless conveyors and grippers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/30Chains
    • B65H2404/34Gripper bars bridging at least two chains running synchronously and parallely
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/10Handled articles or webs
    • B65H2701/17Nature of material
    • B65H2701/176Cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/42Die-cutting

Definitions

  • the present invention relates to a device for attaching a gripper bar to a chain of chains within a machine for processing plate elements such as sheets of paper or cardboard, as well as to a clamp bar specially adapted for this device.
  • Such a machine usually comprises first of all an introduction station in which a stack of sheets is installed, each sheet being successively removed from the top of the stack to be sent to a margin table.
  • each sheet On this table, each sheet is placed in position against front and side cleats before being gripped at its front edge by a series of clamps mounted along a transverse bar, each end of which is attached to a train of side chains taking the bar, and therefore the sheet, to the following treatment stations.
  • the treatment stations can be a cutting press, the latter being followed by a waste ejection station.
  • These processing stations are followed by a receiving station in which each sheet released by the clamps is jogged before falling on top of an output stack.
  • the device for attaching the gripper bars to the two lateral chain trains must first of all be very solid in order to be able to transmit to the bars, and therefore to the sheets, the accelerating and decelerating forces appearing during a journey. intermittent at high speed through successive stations.
  • This fastening device must also ensure rigidity in rotation about the axis passing through the chain of chains to limit as much as possible the bending of the bar due to the centrifugal forces appearing during the movement of the chains and in particular during their passage. around the driving and driven chain wheels placed respectively at the front and at the rear of the circuit described by the chains.
  • transverse clamp support bars are usually produced in hollow sections to ensure bending rigidity, with a minimum of weight and therefore of inertia.
  • a known attachment device consists of a single piece comprising a first part forming an integral part of the chain of which it replaces one of the links, and a second part extending the internal face of the first and coming to be inserted in the profile of the bar where it is fixed, for example by bolts.
  • the length, in the direction of the bar, of this one-piece piece means that it provides a certain rigidity against centrifugal forces.
  • Document EP-A-448 943 describes a similar attachment device called floating insofar as the second part is movable relative to the first in the direction of the chain, and this against a spring.
  • the first part is provided with a support arm penetrating inside the bar to engage slidingly in a hook.
  • this known fastening device comprising a part or arm inserted inside the profile means that it is not possible to dismantle the clamp bar for repair or replacement without having to open the chains of chains, which is a particularly difficult and tedious operation.
  • this attachment device has differences depending on whether it is intended for the chain on the left side (driver's side) or the chain on the side. straight (opposite side to the conductor) due to the presence of a notch and or other hole for the installation of a first clamp, which requires maintaining a double stock of spare parts which are otherwise symmetrical with one another.
  • the object of the present invention is a device for attaching a bar to two trains of lateral chains capable of meeting the requirements of solidity and control of centrifugal forces, but which is of simple design, identical for each side, in order to limit implementation costs accordingly.
  • Such a device must also be able to be associated with clamp bars produced and adapted from profile which can be dismantled without having to open the chain of chains.
  • a fastening device comprising a first part forming an integral part of the chain of which it replaces one of the links and composed of an external plate and a vertical internal plate connected by an internal connection and capable of receiving between them an upstream axis and a downstream axis of chain links, each axis possibly being covered by an engagement cylinder, and of a second part extending the internal face of the first part, and composed of a horizontal plate provided for be installed on one of the faces of the end of the bar, as well as a counter plate intended to be inserted in the profile of the end of the bar and then connected to the upper plate by means passing through this face from the bar.
  • the horizontal plate of the second part is connected to the upper edge of the internal vertical plate of the first part, if necessary by an oblique connection upwards, so that this first part is level with the bar of pliers.
  • the fastener is symmetrical with respect to a vertical plane passing through the clamp bar, the internal and external plates of the first part being connected by a central connector. Because of this geometry, the same fastener can be used both on the driver side and on the side opposite to the driver.
  • the upper face of the end of the clamp bar has a flat for the seat of the upper horizontal plate of the fastener.
  • the outer end edge of the upper face of the bar has a central notch receiving a positioning lug in correspondence with the counterplate.
  • This lug and notch facilitate the positioning of the counterplate inside the profile of the bar relative to the upper flat. The connection of the upper plate and its counter plate is then immediate.
  • the counter-plate is of substantially rectangular perforated shape
  • the means for fixing the upper plate and its counter-plate consists of two pairs of bolts passing through the upper plate and the bar before being inserted into tapped holes. formed in extra thicknesses acting as a nut and located at the four corners of the counterplate.
  • the upper plate can then also be perforated in its center to reduce its weight accordingly.
  • FIG. 1 illustrates a bar 5 supporting a plurality of parallel clamps 6. At each end of this bar is attached a fastener 10, each being capable of being inserted in a drive chain.
  • this fastener 10 comprises, upstream and downstream, two housings for axes of chain links 2.
  • this fastener 10 comprises two parts that are better visible in FIGS. 2 and 3.
  • the first part comprises in its left part, as illustrated in FIG. 2, two vertical plates, an internal 30 and an external 32 held parallel and spaced apart by a central connector 31.
  • These two vertical plates are provided for receiving axes of chain links, these axes being held in the external plate 32 by pliers 33 which can be tightened each by a bolt 37 (FIG. 6).
  • the upper edge of the internal vertical plate 30 is extended by a substantially rectangular horizontal upper plate 34 and having, at its center, an oval cutout 35. At the four corners of this plate 34 are pierced vertical cylindrical orifices 38. In addition, the three quarters of the lateral edges of the plate 34 are completed with vertical flanges 36.
  • the counter plate 12 is in the form of a horizontal rectangle 20 pierced with a central aperture 28 also substantially rectangular. Under the four corners of the rectangle 20 are provided extra thicknesses pierced with tapped vertical orifices acting as nuts 24. For better rigidity of this counter plate 12, the nuts 24 located on the same lateral edge are connected by a rib 22 of rigidity. The upper edge of the side of the rectangle 20 oriented towards the vertical plate 30 is completed by a vertical central lug 26.
  • a clamp bar 5 intended to be used with the fastener described above consists of a profile 40 substantially oval apart from the upper face 41 which is strictly planar. Edges upstream and downstream of this upper face 41 extend into two overhangs 42 enlarging the width of this bar for better fixing of the clamps.
  • the downstream overhang has pairs of orifices for fixing the upper finger of a clamp while the corresponding orifices for fixing the lower finger of a clamp are produced within pre-positioning seats 48 located on the upstream overhang.
  • this bar 5 has, on its upper face 41, a flat 49 constituting a seat for receiving the horizontal upper plate 34 of the fastener 10.
  • a flat 49 constituting a seat for receiving the horizontal upper plate 34 of the fastener 10.
  • the two overhangs 42 are reduced by about half or even by two thirds.
  • These restrictions 43 have a chamfer 44 at their upper edge.
  • Each of the angles of the extreme edge of the bar 5 is cut in a bevel 45 thus avoiding any harmful acute angle.
  • a locating notch 46 is cut in the middle of the extreme edge.
  • the clamp bar 5 is mounted on the fastener 10 in the following manner.
  • the connection between the upper plate 34 and the vertical plate 30 being slightly oblique, the section 40 is found at the same level as the axes 2 of chain links.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Clamps And Clips (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Chain Conveyers (AREA)
  • Advancing Webs (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Jigs For Machine Tools (AREA)
  • Vehicle Body Suspensions (AREA)
  • Knitting Machines (AREA)
  • Catching Or Destruction (AREA)

Claims (8)

  1. Vorrichtung (10) zum Befestigen einer Greiferstange (5) an einer Antriebskette mit einem ersten Teil, als integrierender Bestandteil der Kette, von welcher er ein Kettenglied ersetzt, das seinerseits eine äussere Platte (32) und eine innere Platte (30) in vertikaler Stellung, wobei die beiden letzteren mit einer inneren Verbindung (31) verbunden und geeignet sind, eine dazwischenliegende Kettengliedachse (2) hinten und eine ebensolche vorn aufzunehmen, wobei jede Achse gegebenenfalls durch eine Kettenrolle abgedeckt wird, und einen zweiten Teil, der die Innenseite des ersten Teils verlängert und mit einer Stange verbunden ist, umfasst, dadurch gekennzeichnet, dass dieser zweite Teil aus einer horizontalen Platte (34), die an einer der Seiten (41) am Ende der Stange (5) befestigt wird, und aus einer Gegenplatte (12), die in das Profilstück (40) des Stangenendes eingefügt und mittels diese Stangenseite durchquerenden Mitteln (50) mit der horizontalen Platte (34) verbunden ist, besteht.
  2. Vorrichtung gemäss Patentanspruch 1, dadurch gekennzeichnet, dass die horizontale Platte (34) des zweiten Teils mit dem oberen Rand der vertikalen Innenplatte (30) des ersten Teils, erforderlichenfalls mit einer nach oben abgeschrägten Verbindung in der Weise verbunden ist, dass der erste Teil auf der Höhe der Greiferstange (5) liegt.
  3. Vorrichtung gemäss Patentansprüchen 1 und 2, dadurch gekennzeichnet, dass die Befestigungsvorrichtung (10) in bezug auf eine sich durch die Greiferstange (5) erstreckende vertikale Ebene symmetrisch ist, wobei die innere Platte (30) und die äussere Platte (32) des ersten Teils mit einer zentralen Verbindung (31) verbunden sind.
  4. Einheit mit Befestigungsvorrichtung gemäss einem der Patentansprüche 1 bis 3 und einer speziell für diese Vorrichtung adaptierten Greiferstange (5).
  5. Einheit gemäss Patentanspruch 4, dadurch gekennzeichnet, dass die Oberseite (41) des Endes der Greiferstange (5) eine Abflachung (49) als Auflage für die obere horizontale Platte (34) der Befestigungsvorrichtung aufweist.
  6. Einheit gemäss Patentanspruch 4, dadurch gekennzeichnet, dass die äussere Endkante der Oberseite (41) der Stange (5) eine zentrale Kerbe (46) zur Aufnahme des Stellzapfens (26) entsprechend der Gegenplatte (12) aufweist.
  7. Einheit gemäss Patentanspruch 5 für eine Stange (5) mit einer oberen ebenen Fläche (41), die mit einer Ausladung (42) am vorderen und hinteren Abschnitt versehen ist, dadurch gekennzeichnet, dass diese Ausladung bis zur Höhe der Abflachung (49) reduziert (43) ist, und dass die obere horizontale Platte (34) der Befestigungsvorrichtung durch zwei die Stange (5) entlang der reduzierten Ausladung (43) haltenden seitliche Flanschen (36) ergänzt wird.
  8. Einheit gemäss Patentanspruch 4, dadurch gekennzeichnet, dass die Gegenplatte (12) sozusagen eine rechteckige Form aufweist und gelocht ist, und dass die Mittel zur Befestigung der oberen horizontalen Platte (34) und ihrer Gegenplatte (12) aus zwei Bolzenpaaren (50) bestehen, die die obere Platte (34) und die Stange (5) durchqueren, bevor sie in Gewindelöcher in den Überdicken, die als Mutterteil (24) dienen und an den vier Ecken der Gegenplatte (12) angeordnet sind, eindringen.
EP95106522A 1994-05-04 1995-04-29 Vorrichtung zum Befestigen einer Greiferstange zu einem Kettensystem in einer Maschine zur Behandlung von plattenförmigen Elementen Expired - Lifetime EP0680907B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH01396/94A CH690097A5 (fr) 1994-05-04 1994-05-04 Dispositif d'attache d'une barre de pinces à un train de chaînes au sein d'une machine de traitement d'éléments en plaque.
CH1396/94 1994-05-04

Publications (2)

Publication Number Publication Date
EP0680907A1 EP0680907A1 (de) 1995-11-08
EP0680907B1 true EP0680907B1 (de) 1997-05-21

Family

ID=4209453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95106522A Expired - Lifetime EP0680907B1 (de) 1994-05-04 1995-04-29 Vorrichtung zum Befestigen einer Greiferstange zu einem Kettensystem in einer Maschine zur Behandlung von plattenförmigen Elementen

Country Status (14)

Country Link
US (1) US5555969A (de)
EP (1) EP0680907B1 (de)
JP (1) JP2647809B2 (de)
KR (1) KR0157191B1 (de)
CN (1) CN1059402C (de)
AT (1) ATE153304T1 (de)
AU (1) AU687998B2 (de)
BR (1) BR9501883A (de)
CA (1) CA2148565C (de)
CH (1) CH690097A5 (de)
DE (1) DE69500309T2 (de)
DK (1) DK0680907T3 (de)
ES (1) ES2102901T3 (de)
TW (1) TW305802B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19807587C1 (de) * 1998-02-23 1999-04-29 Manfred Vossen Verfahren und Vorrichtung zur Bewegung von Greiferstangen in einer bogenverarbeitenden Maschine
DE60303918T2 (de) * 2003-10-07 2006-10-19 Bobst S.A. Arbeitsstation einer Umwandlungsmaschine für plattenförmige Elemente
TWI261042B (en) * 2003-10-08 2006-09-01 Bobst Sa Working station of a machine processing plate elements
DE102007038116A1 (de) * 2007-07-30 2009-02-05 Gebr. Schmid Gmbh & Co. Haltemittel, Vorrichtung und Verfahren zum Transport von Substraten, insbesondere Leiterplatten
DE102009049905A1 (de) * 2009-10-12 2011-04-14 Gebr. Schmid Gmbh & Co. Halteeinrichtung für dünne flächige Substrate
DE102012007606A1 (de) * 2012-04-16 2013-10-17 Heidelberger Druckmaschinen Aktiengesellschaft Verfahren zur Bogenübergabe und Stanzmaschinemit Greifer-Transportsystem
CN103466286B (zh) * 2013-09-26 2015-10-28 上海大学 滤清器喷涂固化生产线自动移载设备随动定位装置
CN109422117B (zh) * 2017-08-30 2024-02-23 上海旭恒精工机械制造有限公司 一种模切进纸部纸张导引装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB895640A (en) * 1957-09-18 1962-05-02 S & S Corrugated Paper Mach Sheet gripping means for cutting and creasing press
DE2157993C2 (de) * 1971-11-23 1974-01-31 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Vorrichtung zum Transport von Bogen in einer Bogendruckmaschine
DE2520231C3 (de) * 1975-05-07 1978-08-10 Wunderlich, Christian, 4057 Brueggen Greiferstange für bogenverarbeitende Maschinen
US4635788A (en) * 1984-07-12 1987-01-13 Cincinnati Milacron Inc. Conveyor
DE3502663C1 (de) * 1985-01-26 1986-06-05 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Kettenfoerderer fuer den Ausleger von Druckmaschinen
CH681885A5 (de) * 1990-03-24 1993-06-15 Bobst Sa
JPH0794067B2 (ja) * 1990-10-08 1995-10-11 権士 近藤 プリント基板の保持搬送方法およびその装置
US5201516A (en) * 1992-05-07 1993-04-13 Xerox Corporation Sheet gripping apparatus

Also Published As

Publication number Publication date
CN1059402C (zh) 2000-12-13
EP0680907A1 (de) 1995-11-08
AU1776095A (en) 1995-11-09
BR9501883A (pt) 1995-11-28
TW305802B (de) 1997-05-21
CA2148565A1 (en) 1995-11-05
KR950031836A (ko) 1995-12-20
DK0680907T3 (da) 1997-11-03
CH690097A5 (fr) 2000-04-28
KR0157191B1 (ko) 1999-02-18
DE69500309T2 (de) 1997-10-30
US5555969A (en) 1996-09-17
ATE153304T1 (de) 1997-06-15
JP2647809B2 (ja) 1997-08-27
AU687998B2 (en) 1998-03-05
CA2148565C (en) 1998-05-05
DE69500309D1 (de) 1997-06-26
JPH07300224A (ja) 1995-11-14
ES2102901T3 (es) 1997-08-01
CN1120512A (zh) 1996-04-17

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