FR2553701A1 - DEVICE FOR CUTTING A SHEATH OR FILM OF PLASTIC MATERIAL, IN PARTICULAR AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF BAGS - Google Patents
DEVICE FOR CUTTING A SHEATH OR FILM OF PLASTIC MATERIAL, IN PARTICULAR AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF BAGS Download PDFInfo
- Publication number
- FR2553701A1 FR2553701A1 FR8316831A FR8316831A FR2553701A1 FR 2553701 A1 FR2553701 A1 FR 2553701A1 FR 8316831 A FR8316831 A FR 8316831A FR 8316831 A FR8316831 A FR 8316831A FR 2553701 A1 FR2553701 A1 FR 2553701A1
- Authority
- FR
- France
- Prior art keywords
- sheath
- cutting
- film
- jaw
- support member
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/22—Safety devices specially adapted for cutting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
- B31B70/16—Cutting webs
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
DISPOSITIF DE COUPE D'UNE GAINE OU D'UN FILM EN MATIERE PLASTIQUE NOTAMMENT A LA SORTIE D'UNE MACHINE POUR LA FABRICATION DE SACS. L'ORGANE DE COUPE 8 QUI EST FIXE EST SITUE DANS UN ESPACE LONGITUDINAL 7 MENAGE ENTRE L'UNE DES MACHOIRES 3A ET UN ORGANE DE SUPPORT TRANSVERSAL 5, LE SOMMET 8A DE L'ORGANE DE COUPE 8 ETANT DISPOSE A UN NIVEAU INFERIEUR A CELUI DU PLAN 11 RELIANT LES FACES DE LA MACHOIRE 3A ET DE L'ORGANE DE SUPPORT 5 SUR LESQUELLES CIRCULE LA GAINE 1 OU LE FILM, ET EN CE QU'UN ORGANE 14 MOBILE VERTICALEMENT EST SUSCEPTIBLE D'ENTRAINER LADITE GAINE 1 OU LE FILM EN CONTACT AVEC L'ORGANE DE COUPE 8 LORS DU DEPLACEMENT LONGITUDINAL DE CELUI-CI POUR LA COUPE. L'INVENTION EST UTILISEE DANS LES MACHINES POUR LA FABRICATION DE SACS.DEVICE FOR CUTTING A SHEATH OR A PLASTIC FILM, ESPECIALLY AT THE EXIT OF A MACHINE FOR MANUFACTURING BAGS. CUTTING BODY 8, WHICH IS FIXED, IS LOCATED IN A LONGITUDINAL SPACE 7 HOUSING BETWEEN ONE OF THE JAWS 3A AND A TRANSVERSAL SUPPORT BODY 5, TOP 8A OF CUTTING BODY 8 BEING LOCATED AT A LEVEL LOWER THAN THAT OF PLAN 11 CONNECTING THE FACES OF THE JAW 3A AND OF THE SUPPORT BODY 5 ON WHICH THE SHEATH 1 OR THE FILM CIRCULATES, AND IN WHICH A VERTICALLY MOVING BODY 14 IS LIKELY TO TRAIN THE SAID SHEATH 1 OR THE FILM IN CONTACT WITH THE CUTTING UNIT 8 WHEN IT IS MOVING LONGITUDINALLY FOR CUTTING. THE INVENTION IS USED IN MACHINES FOR MAKING BAGS.
Description
Dispositif de coupe d'une gaine ou d'un film en matièreDevice for cutting a sheath or film made of
plastigque notamment à la sortie d'une machine pour la fabrication de sacs. plastigque in particular at the exit of a machine for the manufacture of bags.
La présente invention a pour objet un dis5 positif de coupe d'une gaine ou d'un film en matière plastique, notamment à la sortie d'une machine pour la The subject of the present invention is a positive cutting device for a plastic sheath or film, in particular at the exit of a machine for
fabrication de sacs.bag manufacture.
L'opération de coupe de la gaine est réalisée de façon connue, par une lame tranchante qui est fixée 10 sur une courroie sans fin, guidée par des poulies et se déplaçant sur une partie de son parcours, suivant un chemin rectiligne à la sortie des mâchoires de soudage, de telle sorte que lors de l'entraînement de la courroie la The cutting operation of the sheath is carried out in known manner by a cutting blade which is fixed on an endless belt, guided by pulleys and moving over a part of its path, along a straight path at the exit of the sheaves. welding jaws, so that when driving the belt the
lame tranchante vienne en contact avec la gaine et assure 15 la coupe de celle-ci. The cutting blade comes into contact with the sheath and cuts the latter.
Il existe également un dispositif dans lequel l'organe de coupe est escamotable par rapport au chemin de passage de la gaine entre les mâchoires. There is also a device in which the cutting member is retractable relative to the path of passage of the sheath between the jaws.
Toutefois avec ces dispositifs connus et 20 du fait que la courroie effectue plusieurs tours il est toujours dangereux de passer les mains entre les mâchoires même si la machine est à l'arrêt car la lame est toujours However with these known devices and the fact that the belt performs several turns it is still dangerous to pass the hands between the jaws even if the machine is stopped because the blade is still
apparente et dépasse.apparent and exceeds.
Par ailleurs, dans l'un des modes de réali25 sation la courroie et la lame de coupe sont mobiles, ce qui entraîne une complication du dispositif et à certaines cadences provoque des vibrations dans la courroie qui nécessitent l'utilisation de galets antivibratoires sous Furthermore, in one of the embodiments of the belt and the cutting blade are movable, which causes a complication of the device and at certain rates causes vibrations in the belt that require the use of antivibration rollers under
la courroie pour obtenir une coupe correcte. the belt to obtain a correct cut.
Pour remédier à ces inconvénients, on utilise un dispositif suivant l'invention. To remedy these drawbacks, a device according to the invention is used.
Conformément à la présente invention, l'organe de coupe qui est fixe est situé dans un espace longitudinalement ménagé entre l'une des màchoires et un 35 organe de support transversal, le sommet de l'organe de coupe étant disposé à un niveau inférieur à celui du plan a 553701 reliant les faces de la mâchoire et de l'organe de support sur lesquelles circule la gaine ou le filin, et un organe mobile verticalement est susceptible d'entraîner ladite gaine ou le film en contact avec l'organe de coupe lors du déplacement longitudinal de celui-ci pour la coupe. Cette disposition permet d'obtenir une simplicité d'implantation et de réalisation du fait que According to the present invention, the cutting member which is stationary is located in a longitudinally spaced space between one of the jaws and a transverse support member, the top of the cutting member being disposed at a level below that of plane 553701 connecting the faces of the jaw and the support member on which the sheath or rope is traveling, and a vertically movable member is capable of driving said sheath or the film in contact with the cutting member. when the longitudinal displacement thereof for cutting. This arrangement makes it possible to obtain a simplicity of implementation and realization of the fact that
tout l'ensemble de coupe est fixe et qu'il permet d'éliminer les vibrations dans la courroie. the entire cutting unit is fixed and can eliminate vibrations in the belt.
Par ailleurs, le dispositif présente une grande sécurité du fait que l'organe de coupe n'est pas apparent. Ave c le dispositif, suivant l'invention, la gaine n'a pas besoin d'être pincée très près en aval 15 ou en amont, du fait de sa déformation et de sa tension par l'organe mobile qui amène la gaine en contact avec Furthermore, the device has a high security because the cutting member is not apparent. With the device according to the invention, the sheath does not need to be pinched very closely downstream or upstream, because of its deformation and its tension by the movable member which brings the sheath into contact with the sheath. with
l'organe de coupe.the cutting member.
D'autres caractéristiques et avantages de l'invention seront mieux compris à la lecture de la des20 cription qui va suivre d'un mode de réalisation et en se référant aux dessins annexes sur lesquels: La figure 1 est une vue en coupe latérale du dispositif de coupe d'une gaine suivant l'invention Other features and advantages of the invention will be better understood on reading the following description of an embodiment and with reference to the accompanying drawings in which: FIG. 1 is a side sectional view of the device cutting a sheath according to the invention
lors du défilement de la gaine avant l'opération de cou25 pe. when scrolling the sheath before the operation of cou25 pe.
la figure 2 est une vue en coupe latérale du dispositif pendant l'opération de coupe. Figure 2 is a side sectional view of the device during the cutting operation.
la figure 3 est une vue de face en élévation du moyen d'entraînement de l'organe de coupe. Figure 3 is a front elevational view of the drive means of the cutting member.
A la figure 1 on a représenté la sortie d'une machine pour la fabrication de sacs en matière plastique dans laquelle une gaine 1 est entraînée dans In Figure 1 there is shown the output of a machine for the manufacture of plastic bags in which a sheath 1 is driven into
le sens de la flèche A par deux rouleaux 2, 2 a en direction de deux mâchoires de soudage 3, 3 a et du dispositif 35 de coupe suivant l'invention. the direction of the arrow A by two rollers 2, 2 has in the direction of two welding jaws 3, 3a and the cutting device 35 according to the invention.
La mâchoire de soudage inférieure 3 a est fixe et solidaire du bâti, alors que la mâchoire supé- The lower welding jaw 3a is fixed and integral with the frame, while the upper jaw
rieure 3 est mobile dans le plan vertical et solidaire d'une traverse 4 de manière à ce que la machoire supérieure 3 occupe la position représentée à la figure 1 avant soudure et la position de soudure à la figure 2 o les mâchoires 3, 3 a viennent enserrer la gaine pour l'opération de soudure. En aval des mâchoires de soudure est disposé un organe de support 5 qui est fixé au bâti et qui présente une surface 5 a, sur laquelle se déplace la gaine 10 1 avant d'être entraînée entre les rouleaux 6, 6 a (Fig 1 3 is movable in the vertical plane and secured to a cross member 4 so that the upper jaw 3 occupies the position shown in Figure 1 before welding and the welding position in Figure 2 o the jaws 3, 3 a enclose the sheath for the welding operation. Downstream of the welding jaws is disposed a support member 5 which is fixed to the frame and which has a surface 5a, on which the sheath 10 1 moves before being driven between the rollers 6, 6a (FIG.
et 2).and 2).
Dans l'espace 7 ménagé entre la mâchoire inférieure de soudure 3 a et l'organe de support 5 est disposé un organe de coupe 8 qui est fixé sur une charne sans fin 9 montée sur deux roues dentées 10, l Oa, (Fig 3) dont l'une est montée sur un axe solidaire d'un organe moteur afin d'assurer l'entraînement de l'organe de coupe In the space 7 formed between the lower weld jaw 3a and the support member 5 is disposed a cutting member 8 which is fixed on an endless belt 9 mounted on two toothed wheels 10, 1 Oa, (FIG. ) of which one is mounted on an axis integral with a motor member to ensure the driving of the cutting member
-8, suivant un trajet rectiligne parallèle à la ligne de soudure des mâchoires 3, 3 a On peut également utiliser 20 une courroie sans fin montée sur des poulies. 8, along a straight path parallel to the weld line of the jaws 3, 3a. It is also possible to use an endless belt mounted on pulleys.
Lorsque la mâchoire supérieure 3 est soulevée (Fig 1) le sommet 8 a de l'organe de coupe 8 se trouve à un niveau inférieur à celui du plan 11 reliant les surfaces 3 b et 5 a de la machoire inférieure 3 a et 25 de l'organe de support 5 sur lesquelles se déplace la When the upper jaw 3 is raised (Fig 1), the top 8a of the cutting member 8 is at a lower level than that of the plane 11 connecting the surfaces 3b and 5a of the lower jaw 3a and 25 of the support member 5 on which moves the
gaine 1.sheath 1.
De cette manière, l'organe de coupe 8 ne peut entrer en contact avec la gaine lorsque la machoire 3 est soulevée et lorsque l'utilisateur passe la main sur la gaine au niveau du plan 11 il ne risque pas de se blesser. Sur la face avant de la mâchoire de soudage supérieure 3 est fixé par des vis 13, un organe de déformation de la gaine 12 qui présente à sa partie inférieu35 re une nervure longitudinale 14 susceptible d'être engagée dans l'espace 7 pour amener la gaine 1 en contact avec l'organe de coupe 8 A cet effet, la nervure 14 présente une fente longitudinale 15 pour le passage de l'organe In this way, the cutting member 8 can not come into contact with the sheath when the jaw 3 is raised and when the user passes the hand on the sheath at the plane 11 it is not likely to hurt. On the front face of the upper welding jaw 3 is fixed by screws 13, a deformation member of the sheath 12 which has at its lower part a longitudinal rib 14 which can be engaged in the space 7 to bring the sheath 1 in contact with the cutting member 8 For this purpose, the rib 14 has a longitudinal slot 15 for the passage of the organ
de coupe 8.cutting 8.
Le dispositif fonctionne de la manière suivante: la gaine 1 ayant été entraînée normalement d'une certaine longueur on arrête celle-ci pour The device operates in the following way: the sheath 1 having been driven normally by a certain length, it is stopped for
procéder à l'opération de soudure et de coupe, le rouleau supérieur 2 étant soulevé comme représenté à la figure 1. 10 La mâchoire de soudure supérieure 3 est également soulevée ainsi que l'organe de déformation de la gaine 12. proceed to the welding and cutting operation, the upper roller 2 being lifted as shown in FIG. 1. The upper welding jaw 3 is also raised as is the deformation member of the sheath 12.
Dans cette position la gaine 1 s'étend suivant le plan 11 entre la machoire de soudure inférieure 3 a et l'organe de support 5 et ladite gaine est hors 15 de contact avec le sommet 8 a de l'organe de coupe 8. In this position the sheath 1 extends along the plane 11 between the lower welding jaw 3a and the support member 5 and said sheath is out of contact with the apex 8a of the cutting member 8.
Ensuite la mâchoire supérieure 3 est abaissée comme représenté à la figure 2 pour procéder dans une première phase à la soudure de la gaine Au cours de l'abaissement de la mâchoire supérieure 3, la nervure 14 20 est engagée dans l'espace 7 entre la mâchoire de soudure inférieure 3 a et l'organe de support 5, ladite nervure 14 provoquant la déformation de la gaine 1 afin d'engager Then the upper jaw 3 is lowered as shown in Figure 2 to proceed in a first phase to the welding of the sheath During the lowering of the upper jaw 3, the rib 14 20 is engaged in the space 7 between the lower welding jaw 3a and the support member 5, said rib 14 causing deformation of the sheath 1 in order to engage
celle-ci sur l'organe de coupe 8.it on the cutting member 8.
Il suffit alors d'entrainer l'organe de 25 coupe 8 suivant un trajet rectiligne au moyen de la chaîne sans fin 9 et des roues dentées 10, l Oa pour procéder à la It then suffices to drive the cutting member 8 along a rectilinear path by means of the endless chain 9 and the toothed wheels 10, 1 Oa to carry out the
découpe de la gaine 1, la rainure 15 permettant le passage de l'organe de coupe. cutting the sheath 1, the groove 15 allowing the passage of the cutting member.
Il est évident que l'organe de coupe 8 pour30 rait être situé dans un espace ménagé entre la mâchoire supérieure et un organe de support Dans ce cas, l'organe mobile de déformation de la gaine se déplacerait verticalement de bas en haut pour amener la gaine en contact It is obvious that the cutting member 8 could be located in a space between the upper jaw and a support member. In this case, the movable deformation member of the sheath would move vertically upwards to bring the sheath in contact
avec l'organe de coupe.with the cutter.
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 can make modifications without departing from the scope of the invention.
k 553701k 553701
Claims (2)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8316831A FR2553701A1 (en) | 1983-10-21 | 1983-10-21 | DEVICE FOR CUTTING A SHEATH OR FILM OF PLASTIC MATERIAL, IN PARTICULAR AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF BAGS |
JP59503838A JPS61500216A (en) | 1983-10-21 | 1984-10-19 | Cutting device for resin material jacket or coating especially installed on the exit side of bag making machine |
EP84402103A EP0141718A1 (en) | 1983-10-21 | 1984-10-19 | Cutting machine for plastic sheets at the end of a bag-making machine |
AU35067/84A AU3506784A (en) | 1983-10-21 | 1984-10-19 | Device for cutting a sheath of film of plastic material particularly at the outlet of a machine for manufacturing bags |
ES536943A ES536943A0 (en) | 1983-10-21 | 1984-10-19 | DEVICE FOR CUTTING A WRAPPING OR A FILM OF PLASTIC MATERIAL PARTICULARLY AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF SACKS |
PCT/FR1984/000236 WO1985001687A1 (en) | 1983-10-21 | 1984-10-19 | Device for cutting a sheath of film of plastic material particularly at the outlet of a machine for manufacturing bags |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8316831A FR2553701A1 (en) | 1983-10-21 | 1983-10-21 | DEVICE FOR CUTTING A SHEATH OR FILM OF PLASTIC MATERIAL, IN PARTICULAR AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF BAGS |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2553701A1 true FR2553701A1 (en) | 1985-04-26 |
Family
ID=9293401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8316831A Withdrawn FR2553701A1 (en) | 1983-10-21 | 1983-10-21 | DEVICE FOR CUTTING A SHEATH OR FILM OF PLASTIC MATERIAL, IN PARTICULAR AT THE EXIT OF A MACHINE FOR THE MANUFACTURE OF BAGS |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0141718A1 (en) |
JP (1) | JPS61500216A (en) |
AU (1) | AU3506784A (en) |
ES (1) | ES536943A0 (en) |
FR (1) | FR2553701A1 (en) |
WO (1) | WO1985001687A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3713095A1 (en) * | 1986-04-18 | 1987-10-29 | Fmc Corp | CUTTING DEVICE FOR A MACHINE FOR PRODUCING BAGS, BAGS AND THE LIKE FROM THERMOPLASTIC MATERIAL |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2597401B1 (en) * | 1986-04-18 | 1988-08-05 | Lagain Georges | INSTALLATION FOR MANUFACTURING AND STACKING BAGS, BAGS, ETC. IN THERMOPLASTIC MATTER |
CN103274989B (en) * | 2013-06-08 | 2016-02-10 | 南京正荣医药化学有限公司 | The preparation method of octahydro cyclopentano [C] pyrrole derivative and salt thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB860803A (en) * | 1957-07-08 | 1961-02-08 | Albert Ebner Luetzow | Methods of and apparatus for cutting tubular stock of thermoplastic material in the manufacture of bags or like containers |
FR1410064A (en) * | 1964-09-30 | 1965-09-03 | Device for making incisions in plastic sheets | |
US3354017A (en) * | 1964-04-20 | 1967-11-21 | H & L Machine Corp | Bag making apparatus |
US4115182A (en) * | 1977-06-29 | 1978-09-19 | Arenco Machine Company | Sealing means |
-
1983
- 1983-10-21 FR FR8316831A patent/FR2553701A1/en not_active Withdrawn
-
1984
- 1984-10-19 ES ES536943A patent/ES536943A0/en active Granted
- 1984-10-19 JP JP59503838A patent/JPS61500216A/en active Pending
- 1984-10-19 EP EP84402103A patent/EP0141718A1/en not_active Withdrawn
- 1984-10-19 WO PCT/FR1984/000236 patent/WO1985001687A1/en unknown
- 1984-10-19 AU AU35067/84A patent/AU3506784A/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB860803A (en) * | 1957-07-08 | 1961-02-08 | Albert Ebner Luetzow | Methods of and apparatus for cutting tubular stock of thermoplastic material in the manufacture of bags or like containers |
US3354017A (en) * | 1964-04-20 | 1967-11-21 | H & L Machine Corp | Bag making apparatus |
FR1410064A (en) * | 1964-09-30 | 1965-09-03 | Device for making incisions in plastic sheets | |
US4115182A (en) * | 1977-06-29 | 1978-09-19 | Arenco Machine Company | Sealing means |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3713095A1 (en) * | 1986-04-18 | 1987-10-29 | Fmc Corp | CUTTING DEVICE FOR A MACHINE FOR PRODUCING BAGS, BAGS AND THE LIKE FROM THERMOPLASTIC MATERIAL |
Also Published As
Publication number | Publication date |
---|---|
EP0141718A1 (en) | 1985-05-15 |
ES8505847A1 (en) | 1985-06-16 |
JPS61500216A (en) | 1986-02-06 |
WO1985001687A1 (en) | 1985-04-25 |
ES536943A0 (en) | 1985-06-16 |
AU3506784A (en) | 1985-05-07 |
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ST | Notification of lapse |