WO1985002167A1 - Device for flattening stacks of bags at the output end of a machine for the manufacture of plastic bags - Google Patents

Device for flattening stacks of bags at the output end of a machine for the manufacture of plastic bags Download PDF

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Publication number
WO1985002167A1
WO1985002167A1 PCT/FR1984/000268 FR8400268W WO8502167A1 WO 1985002167 A1 WO1985002167 A1 WO 1985002167A1 FR 8400268 W FR8400268 W FR 8400268W WO 8502167 A1 WO8502167 A1 WO 8502167A1
Authority
WO
WIPO (PCT)
Prior art keywords
bags
brush
pulley
shaft
machine
Prior art date
Application number
PCT/FR1984/000268
Other languages
French (fr)
Inventor
Georges Lagain
Original Assignee
Georges Lagain
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 Georges Lagain filed Critical Georges Lagain
Publication of WO1985002167A1 publication Critical patent/WO1985002167A1/en

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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
    • B65H31/34—Apparatus for squaring-up piled articles

Definitions

  • the present invention relates to a positive device for flattening the stacks of bags at the outlet of a machine for the manufacture of plastic bags.
  • the object of the present invention is to remedy this drawback by using a device making it possible to flatten the stack of bags.
  • the device comprises a rotary brush capable of coming into contact with the upper surface of the stack of bags under the action of means giving the said brush a downward and upward movement.
  • the device according to the invention allows the evacuation of air between the bags and consequently better holding of the stack of bags which rests on a support means.
  • FIG. 1 is a side elevational view of the device for flattening the stacks of sui bags before the invention.
  • FIG. 1 is a front elevation view of the device shown in Figure 1.
  • FIG. 3 is a sectional view of the rotation drive means of the brush.
  • FIGs 1 and 2 there is shown a device for flattening the bags which is arranged at the outlet of a machine for making bags, on either side of a conveyor 1 comprising an endless belt 2 which is mounted on two rotary rollers 3, 3a, one of which drives the mat 2 on which a stack of bags 4 is placed.
  • the device comprises a frame 5, 5a, on which is fixed on each side a rack 6, 6a which meshes with a pinion 7, 7a wedged on a shaft 8, 8a which carries an upright 9, 9a capable of being displaced longitudinally by relative to the frame 5 by actuating the steering wheel 10, 10a secured to the shaft 8, 8a.
  • the vertical uprights 9, 9a which are arranged parallel to each side of the belt 2 supporting the stack of bags 4 are provided at their upper part with a shaft 11 (Fig. 2, 3) on which are wedged by means of keys 12 two rotary arms 13, 13a arranged parallel and which are rotated by means of the shaft 11.
  • the arms 13, 13a carry a rotary shaft 14 on which is fixed a cylindrical rotary brush 15 constituted in known manner by flexible bristles extending radially.
  • the shaft 11 which carries the arms 13, 13a for supporting the brush 15, is rotated by a transmission from an endless belt 16, in connection with the motor member of the bag making machine.
  • the belt 16 drives a pulley 17 which is fixed on a shaft 1.8 rotatably mounted on the upright 9a, and which carries on the opposite side a pulley 19, connected by a belt 20 to a pulley 21, wedged at the end of the shaft 11 rotating the arms 13, 13a.
  • the shaft 14 on which the brush 15 is fixed 15 (FIG. 3) carries a pulley 22 which is wedged on said shaft by a key 23 and connected by a belt 24 to a double pulley 25 mounted in free rotation by means rolling bearings 26 on the shaft 11, said double pulley 25 being connected by a belt 27 to a pulley 28 keyed at 29 on a shaft 30, of a motor 31 fixed by means of screws 32 on the upright 9.
  • the device according to the invention operates in the following manner;
  • the brush 15 being driven in rotation along the arrow F by the motor 31 and by means of the transmission 28 to 22 as soon as a new bag is placed on the battery 4, the belt 16 starts to move and drives in rotation by the transmission 17 to 21, the shaft 11 so that the brush makes a complete revolution along the circle 33.
  • the brush 15 comes into contact with the upper bag of the stack, to flatten the latter and evacuate the air trapped between the bags.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)

Abstract

Device for flattening piles of bags at the output end of a machine for the manufacture of plastic bags, and comprising a rotary brush (15) capable of being brought in contact with the upper surface of the pile of bags (4) under the action of means (13, 13a, 36) imparting to said brush (15) a downward and upward motion. The invention is used in machines for the manufacture of bags.

Description

Dispositif pour aplanir les piles de sacs à la sortie d'une machine pour la fabrication de sacs en matière plas tique. Device for flattening the stacks of bags at the outlet of a machine for the production of plastic bags.
La présente invention a pour objet un dis positif pour aplanir les piles de sacs à la sortie d'une machine pour la fabrication de sacs en matière plastique.The present invention relates to a positive device for flattening the stacks of bags at the outlet of a machine for the manufacture of plastic bags.
Dans une machine pour la fabrication de sacs en matière plastique on dispose à la sortie des moyens permettant de réaliser des piles de sacs qui sont évacuées au moyen d'un tapis sans fin. Or les piles ne pré sentent pas toujours une tenue régulière du fait de la couche d'air qui se trouve emprisonnée entre deux sacs adjacents et il en résulte que les piles ont tendance à se défaire lors de leur déplacement au moyen du tapis transporteur.In a machine for the production of plastic bags, means are provided at the outlet for making stacks of bags which are discharged by means of an endless belt. However, the batteries do not always have a regular hold due to the layer of air which is trapped between two adjacent bags and it follows that the batteries tend to come apart during their movement by means of the conveyor belt.
La présente invention a pour objet de remédier à cet inconvénient en utilisant un dispositif permettant d'aplanir la pile de sacs.The object of the present invention is to remedy this drawback by using a device making it possible to flatten the stack of bags.
Conformément à la présente invention le dispositif comprend une brosse rotative susceptible de venir en contact avec la surface supérieure de la pile de sacs sous l'action de moyens conférant à la dite brosse un mouvement descendant et ascendant.According to the present invention the device comprises a rotary brush capable of coming into contact with the upper surface of the stack of bags under the action of means giving the said brush a downward and upward movement.
Le dispositif suivant l'invention permet l'évacuation de l'air entre les sacs et par suite une meilleure tenue de la pile de sacs qui repose sur un moyen de support.The device according to the invention allows the evacuation of air between the bags and consequently better holding of the stack of bags which rests on a support means.
Enfin, la brosse lors de son passage permet la suppression de boucles éventuelles qui pourraient se former sur la pile.Finally, the brush during its passage allows the elimination of any loops which could form on the pile.
D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la description qui va suivre de plusieurs modes de réalisation et en se référant aux dessins annexés sur lesquels; - la figure 1 est une vue en élévation latérale du dispositif pour aplanir les piles de sacs sui vant l'invention.Other characteristics and advantages of the invention will be better understood on reading the description which will follow of several embodiments and with reference to the appended drawings in which; - Figure 1 is a side elevational view of the device for flattening the stacks of sui bags before the invention.
- la figure 2 est une vue en élévation de face du dispositif représenté à la figure 1.- Figure 2 is a front elevation view of the device shown in Figure 1.
- la figure 3 est une vue en coupe du moyen d'entraînement en rotation de la brosse.- Figure 3 is a sectional view of the rotation drive means of the brush.
Aux figures 1 et 2 on a représenté un dispositif pour aplanir les sacs qui est disposé à la sortie d'une machine pour la fabrication de sacs, de part et d'autre d'un transporteur 1 comportant un tapis sans fin 2 qui est monté sur deux rouleaux rotatifs 3, 3a dont l'un assure l'entraînement du tapis 2 sur lequel est disposée une pile de sacs 4.In Figures 1 and 2 there is shown a device for flattening the bags which is arranged at the outlet of a machine for making bags, on either side of a conveyor 1 comprising an endless belt 2 which is mounted on two rotary rollers 3, 3a, one of which drives the mat 2 on which a stack of bags 4 is placed.
Le dispositif comprend un bâti 5, 5a, sur lequel est fixée de chaque côté une crémaillère 6 , 6a qui engrène avec un pignon 7, 7a calé sur un arbre 8, 8a qui porte un montant 9, 9a susceptible d'être déplacé longitudinalement par rapport au bâti 5 en actionnant le volant 10, 10a solidaire de l'abre 8, 8a.The device comprises a frame 5, 5a, on which is fixed on each side a rack 6, 6a which meshes with a pinion 7, 7a wedged on a shaft 8, 8a which carries an upright 9, 9a capable of being displaced longitudinally by relative to the frame 5 by actuating the steering wheel 10, 10a secured to the shaft 8, 8a.
Les montants verticaux 9, 9a qui sont disposés parallèlement de chaque côté du tapis 2 supportant la pile de sacs 4 sont munis à leur partie supérieure d'un arbre 11 (Fig. 2, 3) sur lequel sont calés au moyen de clavettes 12 deux bras rotatifs 13, 13a disposés paral lèlement et qui sont entraînés en rotation au moyen de l'arbre 11.The vertical uprights 9, 9a which are arranged parallel to each side of the belt 2 supporting the stack of bags 4 are provided at their upper part with a shaft 11 (Fig. 2, 3) on which are wedged by means of keys 12 two rotary arms 13, 13a arranged parallel and which are rotated by means of the shaft 11.
A l'extrémité opposée à l'arbre 11, les bras 13, 13a portent un arbre rotatif 14 sur lequel est fixée une brosse rotative cylindrique 15 constituée de façon connue par des poils souples s' étendant radialement. L'abre 11 qui porte les bras 13, 13a de support de la brosse 15, est entraîné en rotation par une transmission à partir d'une courroie sans fin 16, en liaison avec l'organe moteur de la machine à fabriquer les sacs. La courroie 16 entraîne une poulie 17 qui est fixée sur un arbre 1.8 monté rotatif sur le montant 9a, et qui porte du côté opposé une poulie 19, reliée par une courroie 20 à une poulie 21, calée à l'extrémité de l'abre 11 entraînant en rotation les bras 13, 13a.At the opposite end to the shaft 11, the arms 13, 13a carry a rotary shaft 14 on which is fixed a cylindrical rotary brush 15 constituted in known manner by flexible bristles extending radially. The shaft 11 which carries the arms 13, 13a for supporting the brush 15, is rotated by a transmission from an endless belt 16, in connection with the motor member of the bag making machine. The belt 16 drives a pulley 17 which is fixed on a shaft 1.8 rotatably mounted on the upright 9a, and which carries on the opposite side a pulley 19, connected by a belt 20 to a pulley 21, wedged at the end of the shaft 11 rotating the arms 13, 13a.
Par ailleurs, l'arbre 14 sur lequel est fixée la brosse 15 (Fig. 3) porte une poulie 22 qui est calée sur ledit arbre par une clavette 23 et reliée par une courroie 24 à une poulie double 25 montée en rotation libre au moyen de paliers à roulements 26 sur l'arbre 11, ladite poulie double 25 étant reliée par une courroie 27 à une poulie 28 clavetée en 29 sur un arbre 30, d'un moteur 31 fixé au moyen de vis 32 sur le montant 9. Le dispositif suivant l'invention fonctionne de la manière suivante;Furthermore, the shaft 14 on which the brush 15 is fixed 15 (FIG. 3) carries a pulley 22 which is wedged on said shaft by a key 23 and connected by a belt 24 to a double pulley 25 mounted in free rotation by means rolling bearings 26 on the shaft 11, said double pulley 25 being connected by a belt 27 to a pulley 28 keyed at 29 on a shaft 30, of a motor 31 fixed by means of screws 32 on the upright 9. The device according to the invention operates in the following manner;
- la brosse 15 étant entraînée en rotation suivant la flèche F par le moteur 31 et par l'intermédiaire de la transmission 28 à 22 dès qu'un nouveau sac est disposé sur la pile 4, la courroie 16 se met en mouvement et entraîne en rotation par la transmission 17 à 21, l'arbre 11 de telle sorte que la brosse effectue un tour complet suivant le cercle 33.the brush 15 being driven in rotation along the arrow F by the motor 31 and by means of the transmission 28 to 22 as soon as a new bag is placed on the battery 4, the belt 16 starts to move and drives in rotation by the transmission 17 to 21, the shaft 11 so that the brush makes a complete revolution along the circle 33.
Au cours de son déplacement la brosse 15 vient en contact avec le sac supérieur de la pile, pour aplanir celle-ci et en évacuer l'air emprisonné entre les sacs.During its movement, the brush 15 comes into contact with the upper bag of the stack, to flatten the latter and evacuate the air trapped between the bags.
Bien entendu l'invention n'est pas limitative et l'homme de l'art pourra y apporter des modifications sans sortir du domaine de l'invention. Of course, the invention is not limiting and those skilled in the art may make modifications to it without departing from the scope of the invention.

Claims

R E V E N D I C A T I O N S
1. Dispositif pour aplanir les piles de sacs à la sortie d'une machine pour la fabrication de sacs en matière plastique caractérisé en ce qu'il comprend une brosse rotative (15) susceptible de venir en contact avec la surface supérieure de la pile de sacs (4) sous l'action de moyens (13, 13a, 36) conférant à la dite brosse (15) un mouvement descendant et ascendant.1. Device for flattening the stacks of bags at the outlet of a machine for the manufacture of plastic bags, characterized in that it comprises a rotary brush (15) capable of coming into contact with the upper surface of the stack of bags (4) under the action of means (13, 13a, 36) giving said brush (15) a downward and upward movement.
2. Dispositif suivant la revendication 1, caractérisé en ce que la brosse cylindrique (15) est fixée sur un axe (14) monté rotatif à l'une des extrémités de deux bras (13, 13a) parallèlles dont l'autre extrémité est montée rotative sur deux montants parallèles (9, 9a) montés sur le châssis (5) de la machine de part et d'autre du moyen de transport (2) des sacs. 2. Device according to claim 1, characterized in that the cylindrical brush (15) is fixed on a pin (14) rotatably mounted at one end of two arms (13, 13a) parallel whose other end is mounted rotating on two parallel uprights (9, 9a) mounted on the chassis (5) of the machine on either side of the means of transport (2) of the bags.
3. Dispositif suivant la revendication 2 , caractérisé en ce que sur l'un des montants (9) est fixé un organe moteur (31) relié par une courroie (27) à un ensemble de deux poulies (25) montées en rotation libre sur l'arbre rotatif (11) des bras (13, 13a) l'une desdites poulies (25) étant reliée par une courroie (24) à une poulie (22) calée à l'extrémité de l'arbre (14) portant la brosse (15).3. Device according to claim 2, characterized in that on one of the uprights (9) is fixed a motor member (31) connected by a belt (27) to a set of two pulleys (25) mounted in free rotation on the rotary shaft (11) of the arms (13, 13a) one of said pulleys (25) being connected by a belt (24) to a pulley (22) wedged at the end of the shaft (14) carrying the brush (15).
4. Dispositif suivant la revendication 2, caractérisé en ce que les montants (9, 9a) portant les bras (13, 13a) et la brosse (15) sont montés sur le bâti (5) de la machine au moyen d'organes de roulements (6, 6a, 7, 7a) permettant leur déplacementlongitudinal par rapport l'axe du support de la pile de sacs.4. Device according to claim 2, characterized in that the uprights (9, 9a) carrying the arms (13, 13a) and the brush (15) are mounted on the frame (5) of the machine by means of bearings (6, 6a, 7, 7a) allowing their longitudinal displacement relative to the axis of the support of the stack of bags.
5. Dispositif suivant les revendications 2 et 4 caractérisé en ce que à la base de l'un des montants5. Device according to claims 2 and 4 characterized in that at the base of one of the uprights
(9a) est montée rotative une poulie (17) qui est entraînée en rotation par une courroie (16) reliée à un organe moteur, ladite poulie (17) étant solidaire d'un arbre 18 sur lequel est montée une autre poulie (19) qui est reliée par une courroie (20) à une poulie (21) clavetëe sur l'arbre (11) portant les bras de support (13, 13a) de la broâse (15). (9a) is rotatably mounted a pulley (17) which is rotated by a belt (16) connected to a drive member, said pulley (17) being integral with a shaft 18 on which is mounted another pulley (19) which is connected by a belt (20) to a pulley (21) keyed onto the shaft (11) carrying the support arms (13, 13a) of the broâse (15).
PCT/FR1984/000268 1983-11-21 1984-11-20 Device for flattening stacks of bags at the output end of a machine for the manufacture of plastic bags WO1985002167A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR83/18507 1983-11-21
FR8318507A FR2555150B1 (en) 1983-11-21 1983-11-21 DEVICE FOR MOUNTING BAGS OF BAGS AT THE OUTPUT OF A MACHINE FOR MANUFACTURING BAGS OF PLASTIC MATERIAL

Publications (1)

Publication Number Publication Date
WO1985002167A1 true WO1985002167A1 (en) 1985-05-23

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Application Number Title Priority Date Filing Date
PCT/FR1984/000268 WO1985002167A1 (en) 1983-11-21 1984-11-20 Device for flattening stacks of bags at the output end of a machine for the manufacture of plastic bags

Country Status (5)

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EP (1) EP0145564A1 (en)
JP (1) JPS61500426A (en)
AU (1) AU3670384A (en)
FR (1) FR2555150B1 (en)
WO (1) WO1985002167A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158644A (en) * 1986-12-19 1992-10-27 Applied Materials, Inc. Reactor chamber self-cleaning process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191203013A (en) * 1912-02-06 1912-08-15 Georg Spiess Improvements in or relating to Devices for use in the Piling of Sheets in Paper Sheet Sorting or like Machines.
DE1436495A1 (en) * 1964-01-24 1969-01-23 Ferag Ag Device for forming a stack from a number of printed products continuously delivered to a stacking table by means of a conveyor belt
DE1805824A1 (en) * 1968-02-02 1969-08-21 Universal Corrugated Box Mach Bow conveyor stacking and delivery device
DE2024150A1 (en) * 1969-05-21 1971-01-14 Beloit Corp , Beloit, Wis (V St A ) Bow straightener
DE3127540A1 (en) * 1980-11-05 1982-06-09 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Aligning device for sheet deliverers of printing machines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB191203013A (en) * 1912-02-06 1912-08-15 Georg Spiess Improvements in or relating to Devices for use in the Piling of Sheets in Paper Sheet Sorting or like Machines.
DE1436495A1 (en) * 1964-01-24 1969-01-23 Ferag Ag Device for forming a stack from a number of printed products continuously delivered to a stacking table by means of a conveyor belt
DE1805824A1 (en) * 1968-02-02 1969-08-21 Universal Corrugated Box Mach Bow conveyor stacking and delivery device
DE2024150A1 (en) * 1969-05-21 1971-01-14 Beloit Corp , Beloit, Wis (V St A ) Bow straightener
DE3127540A1 (en) * 1980-11-05 1982-06-09 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Aligning device for sheet deliverers of printing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5158644A (en) * 1986-12-19 1992-10-27 Applied Materials, Inc. Reactor chamber self-cleaning process

Also Published As

Publication number Publication date
FR2555150B1 (en) 1986-04-18
JPS61500426A (en) 1986-03-13
FR2555150A1 (en) 1985-05-24
AU3670384A (en) 1985-06-03
EP0145564A1 (en) 1985-06-19

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