EP0752383B1 - Dispositif pour séparer des objets plats empilés - Google Patents

Dispositif pour séparer des objets plats empilés Download PDF

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Publication number
EP0752383B1
EP0752383B1 EP96108751A EP96108751A EP0752383B1 EP 0752383 B1 EP0752383 B1 EP 0752383B1 EP 96108751 A EP96108751 A EP 96108751A EP 96108751 A EP96108751 A EP 96108751A EP 0752383 B1 EP0752383 B1 EP 0752383B1
Authority
EP
European Patent Office
Prior art keywords
workpiece
stack
roll
conveyor
conveyor belt
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
EP96108751A
Other languages
German (de)
English (en)
Other versions
EP0752383A3 (fr
EP0752383A2 (fr
Inventor
Uwe Köhn
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
Priority claimed from DE19539935A external-priority patent/DE19539935C2/de
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Publication of EP0752383A2 publication Critical patent/EP0752383A2/fr
Publication of EP0752383A3 publication Critical patent/EP0752383A3/fr
Application granted granted Critical
Publication of EP0752383B1 publication Critical patent/EP0752383B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/12—Suction bands, belts, or tables moving relatively to the 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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/32—Separating articles from piles by elements, e.g. fingers, plates, rollers, inserted or traversed between articles to be separated and remainder of the 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
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42322—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from bottom of the 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
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4233—Depiling; Separating articles from a pile by peeling, i.e. involving elongated elements traversing 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
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/30—Chains
    • B65H2404/31—Chains with auxiliary handling means
    • B65H2404/313—Bars, rods, e.g. bridging two chains running synchronously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/30—Chains
    • B65H2404/31—Chains with auxiliary handling means
    • B65H2404/313—Bars, rods, e.g. bridging two chains running synchronously
    • B65H2404/3132—Bars, rods, e.g. bridging two chains running synchronously arranged obliquely relatively to transport direction

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • the present invention is therefore based on the object of supplying isolated workpieces in the correct position and handed over in time to a downstream processing device.
  • a further conveyor is connected to a suction conveyor belt Conveyor belt connects, which rotates at a higher speed and that with the feed-side deflection roller of the conveyor belt on one on this lowerable pressure roller cooperates, which is controlled such that the workpieces are deducted from the first conveyor belt at times that are in the correct position and on the machine cycle of the subsequent processing device coordinated timely entry into the downstream processing station guaranteed and that a control device is provided for controlling the pressure roller is that from the signals of a leading edge of the trailing workpiece sensing sensor and one the correct position of this workpiece on the conveying conveyor signaling the lowering times of the pressure roller certainly.
  • the signal transmitter is advantageously a sensor that detects the angular position of the task side Deflection pulley of the conveyor belt conveyed and detected accordingly with this rotating marks with the same circumferential distribution signals generated.
  • the separating device 1 consists of a machine frame with the side parts 2, 3, on the inside of them via holding pieces 4, 5 guideways 6, 7 consisting of profiles for on these rotating rollers 8 are attached.
  • the two in parallel mutually arranged guideways 6, 7 each consist of upper and lower sections running parallel to each other, which are connected by approximately semicircular sections are.
  • the guided on the guideways 6, 7 and in the same Spaces 8 arranged parallel to each other are on their ends attached to endless chains or traction elements, which in guides not shown run and from not shown Drives are driven.
  • the rollers 8 consist of cylindrical Pipe pieces that are freely rotatable on axes, whose axle journals 10 to which they pass via the guideways 6, 7 moving chains or traction elements are attached.
  • the on the guideways 6, 7 on endless chains or traction devices revolving rollers form with their upper run 11 a wandering Roller grate, above which is a stacking magazine Cassette 12 is held on the side parts 2, 3, the serves to accommodate stacked pieces of paper tube 13, which after their separation in downstream processing stations Paper bags are processed.
  • the cassette 12 has four Side walls, of which at least one side wall 14 in the direction the double arrow through a manually operated spindle drive can be adjusted to different tube piece formats.
  • the bottom of the stacking cassette 12 is through the upper strand 11 of the migrating roller grate.
  • the wandering roller grate is between this and the lower strand of the moving roller grate Conveyor belt 16 arranged, the parallel running side by side Suction belt conveyors 17, 18.
  • the conveyor belt 16 runs perpendicular to the running direction of the moving roller grate.
  • the front deflecting rollers 20 of the two parallel side by side Suction belt conveyors 17, 18 to be run are mounted on brackets 21, which are attached to the side frame 2.
  • the endless ones Conveyor belts 17, 18 pass through a rectangular window-like Section 22 of the side frame 3 through and overflow the driven ends forming driven pulleys 23, 24, are stored in the machine frame in a manner not shown.
  • the driven deflection rollers 23, 24 are controlled by Geared motors M1 and M2 with different speeds driven, as can be seen schematically from FIG. 2.
  • the moving roller grate moves in the direction of arrow A. under the stacking cassette 12.
  • Plate-shaped opposite Side walls of the stacking cassette carrying plates 30, 31 are on their underside with friction-increasing pads 32 to which the lateral end areas of the freely rotatable, consisting of pipe pieces roll shells of the rolls 8 at their Pass under the cassette so that they are pressed in a rotating movement with which they are in the From Fig. 3 evident manner in each case on the lowest in the Support cassette 12 stacked piece of hose.
  • the type of peeling of the bottom workpiece from the Stacking cassette and the drive of the liftable and lowerable vacuum corresponds to the representation and description in DE-27 32 591 C2, to which reference is made for a more detailed description.
  • two paired suction cups 35 are provided, each on opposite end regions of the trailing edges of the attack individual workpieces at the same time.
  • the suction cups 35 are also in the manner described in DE-27 32 591 C2 connected to suction air sources that the suction 35 in time supply with suction air.
  • a computer 40 is provided to control the geared motors M1, M2, the position of the sensors on the suction belt conveyor via sensors 43 17, 18 dropped hose pieces detected and accordingly the geared motors in the event of a possible misalignment M1, M2 controls such that a delay due to the different Velocity of the suction belt conveyor is balanced.
  • the speed of the suction belt conveyor can also be done by hand after visual assessment.
  • the separating device is a so-called floor layer Sack manufacturing machine upstream in which to the with the Sides of the hose sections provided with cut edges the floors, for example, cross bottoms.
  • To the isolated and transversely conveyed hose sections to bags without interference it is necessary that the hose pieces from the suction belt conveyors 17, 18 in register, that is, in a way to the conveyor belt 41, which is the infeed conveyor forms in the floor layer, that the Workpieces are taken over from this in the correct position at times, on the machine cycle of the subsequent processing stations are coordinated so that a more accurate and correct position Entry of the workpieces into downstream processing stations is guaranteed.
  • the front deflection roller 42 of the conveying conveyor 41 is driven by the geared motor M1 at a higher speed, so that the conveyor belt 41 with higher Speed revolves as the two suction belt conveyors 17, 18.
  • the suction belt conveyors are taken over in the correct and timely manner 17, 18 guided workpieces to ensure passed the suction belts 17, 18 the workpieces in such a way that these on or over the drive roller 42 of the conveyor 41 to a Accumulate time during which the workpiece is still off the suction boxes 25, 26 is held.
  • the location of the front edge of the subsequently conveyed workpiece 13 is determined by a sensor 43.
  • a sensor 44 incrementmental encoder
  • the sensor 44 forms signals that the exact passage of a point 46 through the downstream one Report processing device. From the signals from the sensors 43, 44, the computer 47 forms a signal for a drive 48 a lifting and lowering pressure roller 49, which is timely in Cycle of the downstream processing machine on the drive roller 42 is lowered and thus a frictional connection of the workpiece 13 causes with the conveyor 41, so that each workpiece 13 in the correct position and in time from the conveyor 41 is taken over.
  • the pieces of hose can also be used Cross bottoms or also with folded bottoms are provided, which are molded onto so-called relay tube pieces.
  • a staggered hose piece 50 is shown enlarged, whose walls are formed in three layers, also the individual layers of each side wall are staggered are.
  • the suction cup 35 engages the layers the lower hose wall overlapping layers of the upper Wall so that the sucked-in end of the tube piece is complete is pulled out of the stack magazine without an upper wall sticks to it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Making Paper Articles (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Registering Or Overturning Sheets (AREA)

Claims (2)

  1. Dispositif pour séparer des objets plats empilés, de préférence pour séparer des tronçons de tubes empilés qui s'agit de transformer en des sacs, comprenant un magasin d'empilement (12) dont le fond qui soutient la pile (13) est composé de rouleaux (8) appartenant à une grille de rouleaux mobile qui roulent contre la pièce extrême inférieure au moment considéré, dont les rouleaux (8) sont entraínés en circuit fermé,
       comprenant un système transporteur disposé sous le brin supérieur (11) de la grille de rouleaux est s'étend en formant un angle avec cette grille, système sur lequel est éjectée la pièce extrême inférieure au moment considéré, qui est décollée de la pile (13) par un rouleau en rotation et,
       et comprenant une ventouse (35), ou des ventouses, qui, en synchronisation avec le défilement des rouleaux (8), attaque entre ces rouleaux, et abaissent entre deux rouleaux (8) un bord latéral de la pièce extrême inférieure à un moment considéré de telle manière que le rouleau (8) situé en tête soutienne encore la pile (13) au-dessus de la pièce et que le rouleau (8) arrivant à la suite passe entre la pièce et la pièce qui la surmonte, et effectue une séparation sûre de la pièce extrême inférieure au moment considéré par rapport à la pile (13), le système transporteur d'évacuation étant composé d'éléments transporteurs (17, 19) qui circulent parallèlement entre eux, et qui peuvent être entraínés à des vitesses différentes,
          caractérisé    en ce qu'aux éléments transporteurs (17, 18), fait suite une bande transporteuse d'évacuation (41) qui circule à une plus grande vitesse ,
       en ce qu'avec le rouleau de renvoi (42) côté réception de la bande transporteuse d'évacuation (41), coopère un tambour presseur (49) qui peut être abaissé sur ce rouleau, qui est commandé de manière que les pièces (13) soient extraites de la première bande transporteuse (17, 18) à des instants qui garantissent une entrée dans la station de façonnage aval qui est accordé en bonne position et accordée sur la cadence de machine du dispositif de façonnage aval, et
       en ce que, pour la commande du tambour presseur (49), il est prévu un dispositif de commande (47) qui, sur la base des signaux d'un capteur (43) qui détecte le bord avant de la pièce (13) arrivant à la suite, et d'un émetteur de signaux (44) qui annonce la bonne position de cette pièce (13) sur le transporteur d'évacuation (41), détermine l'instant d'abaissement du tambour presseur (49).
  2. Dispositif selon la revendicationl,
       caractérisé    en ce que 1' émetteur de signaux (44) est un capteur qui détecte la position angulaire du rouleau de renvoi (42) côté réception de la bande transporteuse d'évacuation (41) et, en fonction de marques qui tournent avec ce rouleau, produit des signaux présentant la même distribution circonférentielle.
EP96108751A 1995-07-07 1996-05-31 Dispositif pour séparer des objets plats empilés Expired - Lifetime EP0752383B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19524878 1995-07-07
DE19524878 1995-07-07
DE19539935A DE19539935C2 (de) 1995-07-07 1995-10-26 Vorrichtung zum Zuführen flacher Gegenstände
DE19539935 1995-10-26

Publications (3)

Publication Number Publication Date
EP0752383A2 EP0752383A2 (fr) 1997-01-08
EP0752383A3 EP0752383A3 (fr) 1997-06-11
EP0752383B1 true EP0752383B1 (fr) 2002-05-15

Family

ID=26016627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108751A Expired - Lifetime EP0752383B1 (fr) 1995-07-07 1996-05-31 Dispositif pour séparer des objets plats empilés

Country Status (8)

Country Link
US (1) US5785310A (fr)
EP (1) EP0752383B1 (fr)
JP (1) JPH0930672A (fr)
KR (1) KR100254706B1 (fr)
CN (1) CN1064638C (fr)
AT (1) ATE217599T1 (fr)
CZ (1) CZ156296A3 (fr)
DE (1) DE19549675B4 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106629159A (zh) * 2016-12-26 2017-05-10 重庆皖渝纸制品有限公司 一种纸板切割装置

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US6017030A (en) * 1997-10-22 2000-01-25 Graphic Management Associates, Inc. High speed feeder
FR2782503B1 (fr) * 1998-05-27 2002-01-11 Windmoeller & Hoelscher Dispositif pour isoler des objets plats empiles
DE50205681D1 (de) * 2001-04-18 2006-04-13 Ferag Ag Vorrichtung zum Abbau eines Stapels flacher, biegsamer Gegenstände
US6705606B2 (en) * 2002-07-15 2004-03-16 Kci, Incorporated Bag placer magazine
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EP1655244B1 (fr) * 2004-09-15 2008-12-03 Ferag AG Procédé et dispositif de séparation d'articles plats d'une pile horizontale
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US7909750B2 (en) * 2007-08-13 2011-03-22 Illinois Tool Works Inc. Method and apparatus for feeding large packages or bags into a reclosable zipper profile attaching device
CN102179718B (zh) * 2010-12-08 2015-12-02 江苏扬力数控机床有限公司 一种板料无损分层装置
FI123711B (fi) * 2011-12-21 2013-09-30 Raute Oyj Pinkkauslaite
DE102012206847A1 (de) * 2012-04-25 2013-11-07 E.C.H. Will Gmbh Saugfördervorrichtung zum Transport von Flachteilen
DE102016204215A1 (de) * 2015-04-17 2016-10-20 Heidelberger Druckmaschinen Ag Maschine zum Transportieren von flächigen Elementen
CN105274899B (zh) * 2015-10-27 2017-07-14 广东润丰卫材科技有限公司 一种捋平设备
CN105775862A (zh) * 2016-03-16 2016-07-20 安徽鑫旭新材料股份有限公司 一种铜材挤压成型卷绕速度自适应系统
CN106976748A (zh) * 2017-05-24 2017-07-25 北塘区军之印纸品加工厂 一种纸品加工送纸装置
CN108045939A (zh) * 2018-01-16 2018-05-18 汕头东风印刷股份有限公司 一种纸垛分垛装置
CN110539918B (zh) * 2019-08-15 2024-05-10 河南中烟工业有限责任公司 一种烟包分层调头装置
KR102704014B1 (ko) * 2020-02-06 2024-09-06 한화에어로스페이스 주식회사 장약 공급 장치

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Publication number Priority date Publication date Assignee Title
CN106629159A (zh) * 2016-12-26 2017-05-10 重庆皖渝纸制品有限公司 一种纸板切割装置

Also Published As

Publication number Publication date
CN1064638C (zh) 2001-04-18
DE19549675B4 (de) 2005-02-17
CN1145874A (zh) 1997-03-26
US5785310A (en) 1998-07-28
KR100254706B1 (ko) 2000-10-02
CZ156296A3 (en) 1997-09-17
KR970006142A (ko) 1997-02-19
ATE217599T1 (de) 2002-06-15
EP0752383A3 (fr) 1997-06-11
EP0752383A2 (fr) 1997-01-08
JPH0930672A (ja) 1997-02-04

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