EP0432424B1 - Dispositif pour séparer des produits plans alimentés se chevauchant continuellement - Google Patents

Dispositif pour séparer des produits plans alimentés se chevauchant continuellement Download PDF

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Publication number
EP0432424B1
EP0432424B1 EP90120517A EP90120517A EP0432424B1 EP 0432424 B1 EP0432424 B1 EP 0432424B1 EP 90120517 A EP90120517 A EP 90120517A EP 90120517 A EP90120517 A EP 90120517A EP 0432424 B1 EP0432424 B1 EP 0432424B1
Authority
EP
European Patent Office
Prior art keywords
belts
conveying belt
conveying
stream
separating
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
EP90120517A
Other languages
German (de)
English (en)
Other versions
EP0432424A3 (en
EP0432424A2 (fr
Inventor
Fritz Ing. Grad. Achelpohl
Richard Dipl.-Ing. Feldkämper
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
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 Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0432424A2 publication Critical patent/EP0432424A2/fr
Publication of EP0432424A3 publication Critical patent/EP0432424A3/de
Application granted granted Critical
Publication of EP0432424B1 publication Critical patent/EP0432424B1/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
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/12—Forming counted batches in delivery pile or stream of articles by creating gaps in the stream
    • 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
    • B65H29/66—Advancing articles in overlapping streams
    • 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
    • B65H29/68—Reducing the speed of articles as they advance

Definitions

  • the invention relates to a device for separating a continuously conveyed stream of shingled flat workpieces, preferably bags or sacks, with two successive endless conveyor belts, of which the second downstream conveyor belt is driven at increased speed to pull the shingle stream apart at the rate of shed separation and after the separation of the shingled stream into a leading and a trailing part is driven again at the same speed as the first conveyor belt, and with a separating device arranged between the two conveyor belts.
  • a device of this type according to the preamble of claim 1 is known from CH-A-662 330.
  • the separating device In a device of this type known from DE-OS 28 52 603, the separating device consists of an endless conveyor which overlaps the second conveyor belt and can be driven independently of the first conveyor belt, which is arranged over a part of its circumference and takes over the shingled stream from the first conveyor belt and over it has second conveyor belt holding cross bars, so that the intermittently driven at higher speed second conveyor belt pulls the shingled stream apart to create a gap.
  • the known device does not make it possible to achieve a perfect separation of the scale flow in such a way that parts leading from the scale flow with a precisely predetermined number of workpieces. In the known device, it cannot be predicted with certainty at which point the scale flow is pulled apart to separate a leading scale flow part. In particular, the separation of a shingled stream is problematic in the known device if it consists of thin lobed workpieces.
  • the object of the invention is therefore to provide a device of the type specified at the outset, with which shingled stream parts leading from a shingled stream can be separated with a precisely predetermined number of workpieces. Furthermore, a device is to be created with which shingled streams can also be separated from thin lobed workpieces.
  • this object is achieved in a device of the generic type in that the separating device consists of an endless intermediate conveyor belt, which runs parallel to the starting area of the second conveyor belt, rotates at a lower speed than the second conveyor belt during the separating process and that with a device for holding at least the first workpiece of the trailing shingled stream is provided.
  • the first workpiece of the trailing shingled stream part is held on the intermediate belt conveyor and fixed thereon, so that the shingled stream can be pulled apart at a predetermined point to create a gap without the individual workpieces of the shingled stream parts even being displaced if they are made of thin lobed material.
  • the intermediate conveyor belt consists of at least two belts running parallel to one another, which are arranged between outer conveyor strands of the second conveyor belt, that the belts in Equal distances are provided with two cams that the belts are below the conveying plane of the conveying strands of the second conveyor belt and that the cams extend during the intermittent run over the upper strands of the intermediate belt conveyor during the separation process over the conveying plane of the second conveyor belt, and that above the Belts of the second intermediate belt conveyor are arranged endless counter-pressure belts against which the cams press the front end of the trailing stream of shingles.
  • the belts of the intermediate belt conveyor can also enclose the individual belts of the second conveyor belt between them.
  • the two cams arranged on each belt of the intermediate belt conveyor are in the ready position of the intermediate belt conveyor in the area of the respective front and rear surface lines of the deflection rollers of the belts. They change their position during a separating process in which they each run over the upper strands of the ligaments.
  • the endless counter-pressure belts expediently run over freely rotatable deflection rollers which are mounted at the ends of pivotably mounted, inclined links.
  • the counter pressure belts can generate the necessary pressure due to the weight of their deflection rollers and linkage.
  • the links are expediently connected to one another by coupling rods to form a four-joint parallel link system.
  • pressure medium cylinders are pivotally mounted in the machine frame above the lower run of the pressure belts, the piston rods of which carry press rams at their free ends, which at the start of the separation process can be lowered onto the overlapping area of the last workpiece of the leading part of the scale stream to be separated .
  • both the first workpiece of the subsequent shingled stream part and the last workpiece of the leading shingled stream part to be separated are clamped, so that due to the differential speeds a safe pulling apart of the shingled stream is ensured without fear of uncontrolled displacements of the workpieces.
  • a spring can be provided which holds the cylinder in its ready position at a stop.
  • the pivot bearing of the cylinders and the stops are expediently adjustable in the longitudinal direction for adjustment to different workpiece lengths.
  • the cylinder is expediently a pneumatic cylinder.
  • the distance of the projections of the cylinder projections onto the shingled stream from the upper center lines of the rear deflection rollers of the intermediate belt conveyors can correspond approximately to a workpiece length in such a way that the rear cams, when they rotate, clamp the first workpiece of the subsequent part of the shingled stream to be separated, while the Place the ram on the last workpiece of the leading part of the shingled stream to be separated.
  • Fig.1 only the rear side wall 1 of two side walls 1, 2 is shown, between which a feed conveyor belt 3 is mounted.
  • This feed conveyor belt 3 is adjoined by a first conveyor belt pair 4 in a level which is lower than the plane of the feed belt 3, which is followed by a second conveyor belt pair 5.
  • Both the conveyor belt pair 4 and the conveyor belt pair 5 can be driven by separate motors 6 and 7, respectively.
  • An intermediate conveyor belt pair 8 overlaps, as can be seen in particular in FIG. 2, the two conveyor belt pairs 4 and 5.
  • the intermediate conveyor belt pair 8 is driven by a separate motor 9. This motor drives the shaft 10, which drives the two belts 8 'or 8 '' of the conveyor belt pair 8 loop around.
  • the shaft 10 ' is mounted in the two side walls 1 and 2 so that the two conveyor belts 8' and 8 '' run below the level of the conveyor belt pair 5.
  • the second shaft 11 carrying the conveyor belts 8 'and 8'' serves at the same time as a deflection for the conveyor belt pair 4.
  • the shaft 11 is offset in such a way that it has a smaller diameter in the area in which it is wrapped by the conveyor belts 8 'and 8''than in the area in which it has the conveyor belts 4' and 4 '' of the conveyor belt pair 4 carries.
  • a pressure belt 15 is provided which rests on the sheet stream 12 from above.
  • This belt loops around two rollers 16 and 17, which are connected to a cross member 19 via a parallelogram linkage 18. The latter is firmly connected to two cross members 20 and 21 which are supported on the two side walls 1 and 2.
  • a piston-cylinder unit 22 is further articulated, which is held by a spring 23 against a stop 24.
  • a stamp 25 is provided, which is preferably made of elastic material, such as rubber. The distance between the piston-cylinder unit 22 and the roller 17 can be changed in a manner not shown in such a way that the plunger 25, after the piston rod 22 has been extended, presses onto the leading end of the bag, which is no longer captured by the cam 14.
  • the motor 9 of the intermediate conveyor belt pair 8 is switched on.
  • the cam 14 located on the left in FIG. 1 moves clockwise, presses the scale stream 12 from below and presses it against the pressure belt 15, which is then raised around the articulation points of the parallelogram linkage 18 on the cross member 19.
  • the motor 7 of the conveyor belt pair 5 is driven at a higher speed than the two synchronous motors 6 and 9, so that the scale flow part located in front of the left cam 14 is removed at high speed.
  • the ram 25 of the piston-cylinder unit 22 is lowered as the motor 7 accelerates. He presses on the leading edge of the last sack of the scale flow part, which is to be removed at high speed, and presses this last sack onto a conveyor belt of the pair of conveyor belts 5.
  • the piston-cylinder unit then swivels counter to that while simultaneously extending the piston rod 22 ' Clockwise around its articulation point on the cross member 19.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Forming Counted Batches (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Claims (8)

  1. Dispositif pour séparer un flux transporté en continu (12) de produits plats se chevauchant à la manière d'écailles, de préférence de sachets ou de sacs avec deux courroies de transport sans fin (4, 5) qui se suivent, dont la deuxième courroie de transport (5) disposée en aval est entraînée à la cadence de la séparation des écailles à une vitesse plus élevée pour étirer le flux d'écailles (12) et, après la séparation du flux d'écailles (12) en une partie avant et une partie arrière, est entraînée de nouveau à la même vitesse que la première courroie de transport (4), et avec un dispositif séparateur disposé entre les deux courroies de transport (4, 5), constitué d'une courroie de transport intermédiaire (8) sans fin s'étendant parallèlement à la zone de départ de la deuxième courroie de transport (5), caractérisé en ce que la courroie de transport intermédiaire (8) qui chevauche la deuxième courroie de transport, tourne pendant l'opération de séparation à une vitesse plus réduite que la deuxième courroie de transport (5) et est pourvue d'une installation pour retenir au moins le premier produit du flux d'écailles qui suit.
  2. Dispositif selon la revendication 1, caractérisé en ce que la courroie de transport intermédiaire (8) est constituée d'au moins deux courroies (8', 8'') s'étendant parallèlement l'une à l'autre qui sont disposées entre les brins convoyeurs extérieurs de la deuxième courroie de transport (5), en ce que les courroies (8', 8'') sont pourvues, à des espacements identiques, de deux cames (14, 14'), en ce que les courroies (8', 8'') se situent en dessous du plan de convoyage des brins convoyeurs de la deuxième courroie de transport (5), et que les cames (14, 14') pendant le passage par intermittence sur les brins supérieurs du convoyeur de transport intermédiaire (8) s'étendent pendant l'opération de séparation jusqu'au delà du plan convoyeur de la deuxième courroie de transport (5), et que des courroies de contre-pression sans fin (15) sont disposées au-dessus des courroies (8', 8'') du convoyeur de transport intermédiaire (8) contre lesquelles les cames (14, 14') pressent l'extrémité avant de la partie suivante du flux d'écailles.
  3. Dispositif selon la revendication 2, caractérisé en ce que les courroies de contre-pression sans fin (15) passent sur des galets de renvoi (16, 17) montés librement à rotation qui sont montés aux extrémités de biellettes (18) en position inclinée, montées de façon pivotante.
  4. Dispositif selon la revendication 3, caractérisé en ce que les biellettes (18) sont reliées par des bielles en un système à bielles parallèles à quatre joints articulés.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que sont montés de façon pivotante dans le bâti de machine au-dessus du brin inférieur des courroies d'application (15) des cylindres à fluide sous pression (22) dont les tiges de piston (22') supportent à leurs extrémités libres des poinçons de compression (25) qui peuvent être abaissés au début de l'opération de séparation sur la zone non recouverte du dernier produit de la partie avant à séparer du flux d'écailles.
  6. Dispositif selon la revendication 5, caractérisé en ce qu'il est prévu pour le retour du cylindre (22) après l'entrée de la tige de piston (22') un ressort de traction (23) qui maintient le cylindre (22) contre une butée (24) dans sa position d'attente.
  7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que les montages pivotants des cylindres (22) et les butées (24) sont déplaçables suivant la direction longitudinale.
  8. Dispositif selon l'une des revendications 5 à 7, caractérisé en ce que l'écart du prolongement des cylindres (22) projeté sur le flux d'écailles des génératrices supérieures des galets de renvoi arrières (11) des courroies de transport intermédiaires (8) correspond à peu près à une longueur de produit de manière que les cames arrière (14) lorsqu'elles circulent coincent le premier produit de la partie qui suit du flux d'écailles à séparer, tandis que les poinçons de compression (25) se placent sur le dernier produit de la partie avant du flux d'écailles à séparer.
EP90120517A 1989-12-13 1990-10-25 Dispositif pour séparer des produits plans alimentés se chevauchant continuellement Expired - Lifetime EP0432424B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3941184A DE3941184A1 (de) 1989-12-13 1989-12-13 Vorrichtung zur trennung eines kontinuierlich gefoerderten stroms von geschuppt uebereinander liegenden flachen werkstuecken
DE3941184 1989-12-13

Publications (3)

Publication Number Publication Date
EP0432424A2 EP0432424A2 (fr) 1991-06-19
EP0432424A3 EP0432424A3 (en) 1991-10-16
EP0432424B1 true EP0432424B1 (fr) 1994-07-27

Family

ID=6395394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90120517A Expired - Lifetime EP0432424B1 (fr) 1989-12-13 1990-10-25 Dispositif pour séparer des produits plans alimentés se chevauchant continuellement

Country Status (8)

Country Link
US (1) US5054763A (fr)
EP (1) EP0432424B1 (fr)
JP (1) JP2898086B2 (fr)
CA (1) CA2030844C (fr)
DE (2) DE3941184A1 (fr)
DK (1) DK0432424T3 (fr)
ES (1) ES2057326T3 (fr)
FI (1) FI100326B (fr)

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JP2601959B2 (ja) * 1990-10-15 1997-04-23 富士写真フイルム株式会社 シート搬送区分装置
ES2071903T3 (es) * 1991-01-25 1995-07-01 Ferag Ag Dispositivo para la formacion de un hueco en una corriente imbricada.
US5244201A (en) * 1991-06-20 1993-09-14 Stacker Machine Co. Signature stream interrupt apparatus and method
CH683095A5 (de) * 1991-06-27 1994-01-14 Ferag Ag Verfahren und Vorrichtung zum Puffern von Druckprodukten in Schuppenformation.
US5417360A (en) * 1993-09-28 1995-05-23 Moore Business Forms, Inc. Feeding of offset, collated forms
US6048060A (en) * 1996-11-11 2000-04-11 Toshiba Tec Kabushiki Kaisha Printing medium discharge apparatus used in an ink jet printer
US6022017A (en) * 1998-06-02 2000-02-08 Marquip, Inc. Method for handling a small gap order change in a corrugator
DE19846032C2 (de) * 1998-10-06 2002-06-20 Windmoeller & Hoelscher Vorrichtung zum Ablegen von einzeln aufeinanderfolgend geförderten flachen Gegenständen auf einen weiterfördernden Förderer in einer geschuppt übereinanderliegenden Formation
US6427999B1 (en) 1999-02-17 2002-08-06 Quad/Tech, Inc. Signature hopper loader apparatus and method
DE19921169C2 (de) * 1999-05-07 2003-03-13 Roland Man Druckmasch Vorrichtung zum Abbremsen von Papierbögen
FR2795396B1 (fr) * 1999-06-22 2001-07-20 Mannesmann Dematic Postal Automation Sa Dispositif de transfert d'objets plats avec un injecteur a roues elastiquement deformables
DE19940406C1 (de) * 1999-08-25 2000-10-26 Boewe Systec Ag Verfahren und Vorrichtung zur Übernahme von zumindest zwei geschuppt angeordneten Blättern in eine Blatthandhabungsmaschine
DE19945114A1 (de) * 1999-09-21 2001-03-22 Jagenberg Papiertech Gmbh Vorrichtung zum Querschneiden von Materialbahnen, insbesondere Kartonbahnen
DE10115251A1 (de) * 2001-03-28 2002-10-10 Gaemmerler Ag Stangenbildner
US7222844B2 (en) * 2002-03-29 2007-05-29 Quad/Graphics, Inc. Hopper loader with lateral deblocking
SE524671C2 (sv) * 2003-01-16 2004-09-14 Tetra Laval Holdings & Finance Metod och anordning för att separera överlappande föremål framförda på en transportbana
DE10347807A1 (de) * 2003-10-10 2005-05-25 Syspro Gmbh System Produktionstechnik Vorrichtung zum Fördern von in Schuppenformation vorliegendem flachem Stückgut, insbesondere von Druckereierzeugnissen
DE102004055325B4 (de) 2004-11-16 2007-08-16 Windmöller & Hölscher Kg Vorrichtung zum Trennen eines geförderten Stromes von geschuppt übereinander liegenden, flachen Werkstücken
BRPI0714836A2 (pt) * 2006-07-17 2013-04-09 Bobst Sa dispositivo auxiliar de acionamento para o transporte de folhas sobre a mesa de transporte de uma prensa para recortar
US9399529B2 (en) * 2010-08-09 2016-07-26 Pack Flow Concepts Llc Automated product engager, transporter and patterened depositor system
CN102424294A (zh) * 2011-08-11 2012-04-25 湖北京山轻工机械股份有限公司 一种瓦楞纸板堆码机自动分批机构
US9016683B2 (en) * 2013-07-30 2015-04-28 Ncr Corporation Media item transportation
CN106395476B (zh) * 2016-08-02 2017-10-24 山西大同大学 一种用于印刷品的收料分段装置
DE102016119577A1 (de) * 2016-10-13 2018-04-19 Gämmerler Gmbh Verfahren und Vorrichtung zum Bilden von Produktstapeln
EP4699969A1 (fr) * 2024-08-20 2026-02-25 FOSBER S.p.A. Dispositif de chevauchement et chaîne de production de feuilles comprenant le dispositif de chevauchement

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Also Published As

Publication number Publication date
JP2898086B2 (ja) 1999-05-31
DK0432424T3 (da) 1994-10-03
FI906081A0 (fi) 1990-12-11
CA2030844A1 (fr) 1991-06-14
EP0432424A3 (en) 1991-10-16
EP0432424A2 (fr) 1991-06-19
CA2030844C (fr) 1998-12-29
FI906081A7 (fi) 1991-06-14
DE3941184A1 (de) 1991-06-20
US5054763A (en) 1991-10-08
DE59006597D1 (de) 1994-09-01
ES2057326T3 (es) 1994-10-16
FI100326B (fi) 1997-11-14
JPH03211164A (ja) 1991-09-13

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