EP2705914A1 - Device for punching a sheet-metal part, including sliding punches - Google Patents

Device for punching a sheet-metal part, including sliding punches Download PDF

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Publication number
EP2705914A1
EP2705914A1 EP13176160.3A EP13176160A EP2705914A1 EP 2705914 A1 EP2705914 A1 EP 2705914A1 EP 13176160 A EP13176160 A EP 13176160A EP 2705914 A1 EP2705914 A1 EP 2705914A1
Authority
EP
European Patent Office
Prior art keywords
lower frame
punch
punching
guide means
punch holder
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.)
Granted
Application number
EP13176160.3A
Other languages
German (de)
French (fr)
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EP2705914B1 (en
Inventor
David PICHON
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Publication of EP2705914A1 publication Critical patent/EP2705914A1/en
Application granted granted Critical
Publication of EP2705914B1 publication Critical patent/EP2705914B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/16—Additional equipment in association with the tools, e.g. for shearing, for trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards

Definitions

  • the present invention relates to a device for punching a sheet metal part positioned on a stamping press comprising a lower frame and a movable upper frame towards the lower frame, as well as a plurality of punch holders each carrying a punch.
  • the invention also relates to a stamping press equipped with such a device for punching a sheet metal part.
  • the invention furthermore relates to the application of the abovementioned punching device, to the punching of the sheet metal of a motor vehicle cabin side, in particular for producing on the upper part of this cabin side, holes intended for the fixing roof bars.
  • At least three pneumatic punch holders oriented in different directions should be used.
  • the slide of the press must have a pneumatic connection to be able to control the punching.
  • the pneumatic punch holders have a size that it is impossible to install them in stamping presses.
  • a press comprising a punching tool for example, the press comprising a lower frame and an upper frame movable towards the lower frame, and at least two sliders each carrying a punching tool, the sliders carried by the upper frame cooperate with a pusher mounted on the lower frame to actuate the tool of the slider when lowering the lower frame on the upper frame.
  • the object of the present invention is to overcome these disadvantages.
  • a device for punching a sheet metal part positioned on a stamping press comprising a lower frame and a movable upper frame towards the lower frame, as well as several punch holders each carrying a punch, characterized e each of said punch holder is slidably mounted relative to the lower frame by means of complementary guide means comprising a portion integral with the punch holder and a portion secured to the lower frame, each punch holder being slidable between a position inactive and a working position relative to the sheet metal part, the sliding of each punch holder being controlled by the displacement of the upper frame towards the lower frame, the portion of said guide means integral with the lower frame being movable between an active position wherein said portion of the guide means is engaged with respect to said portion of guide means secured to the punch holder and an inactive position in which said parts are free from each other.
  • the sliding of the punch holders is controlled by the descent of the upper frame of the press and thus the punching is not controlled by a hydraulic system.
  • the punch holders are therefore not congested by such a hydraulic system and can thus be installed in a press.
  • each of the punch holders can be made inactive so that the press can operate without making holes in the sheet metal part, by moving the parts of the guiding means integral with the lower frame relative to the parts of the guide means integral with the the punch.
  • said portion of said guide means secured to the lower frame is carried by a slide valve mounted in a substantially horizontal direction perpendicular to the sliding direction of each of the punch holders.
  • the sliding of the plug is controlled by a jack.
  • said portion of the guide means of the punch holder comprises a V-shaped cross-section groove in which is engaged the portion of the guide means carried by the plug, this portion having a cross section in V complementary to that of the V of said groove.
  • the invention also relates to a stamping press equipped with a punching device according to the invention.
  • the invention furthermore relates to the application of the punching device according to the invention to the punching of the sheet metal on a passenger side of a motor vehicle, and in particular to the punching of holes in the upper part of the passenger compartment side, intended for fixing roof bars.
  • FIGS. 1 to 4 represent a device for punching a sheet metal part 1 (see figure 2 ) positioned on a stamping press comprising a lower frame 2 and an upper frame (not shown) movable towards the lower frame 2.
  • the punching device comprises a plurality of punch holders 3 each carrying a punch 4 visible on the figure 2 .
  • These punch holders 3 have different orientations and inclinations with respect to the reference axes.
  • Each of the punch holders 3 is slidably mounted relative to the lower frame 2 by means of complementary guiding means comprising a part 5 secured to the punch holder 3 and a part 6 secured to the lower frame 2.
  • Each of the punch holders 3 can slide in the direction of the axis of the punch 4 between an inactive position and a working position with respect to the sheet metal part 1.
  • each punch holder 3 is controlled by the movement of the upper frame towards the lower frame 2 in the direction of the arrow F, shown in FIG. figure 2 .
  • portion 6 of the guide means which is secured to the lower frame 2 is movable between an active position, as shown in the Figures 1, 2 and 3 , in which the portion 6 of the guide means is engaged relative to the portion 5 of the guide means secured to the punch holder 3 and an inactive position, as shown in FIG. figure 4 , in which the parts 5 and 6 of the guide means are free relative to each other.
  • the portion 6 of the guide means secured to the lower frame 2 is carried by a plug 7 slidably mounted in a substantially horizontal direction perpendicular to the sliding direction of each of the punch holders 3.
  • the sliding bushel 7 is controlled by a jack 8, visible on the figure 1 .
  • the portion 5 of the guide means of the punch holder 3 comprises (see Figures 3 and 4 ) a groove 5a of V cross section in which is engaged (see figure 3 ) the part 6 of the guide means carried by the plug 7.
  • This portion 6 has a V-shaped cross section complementary to that of the V of the groove 5a of part 5.
  • the sheet metal part 1 is the upper part of a cockpit side on which it is desired to punch mounting holes for the roof bars.
  • FIG. 2 9 denotes a blade mounted on the upper frame of the press, for cutting the sheet metal part 1.
  • the punching device just described operates as follows.
  • the punch holders 3 are in the active working position, that is to say they are able to punch the sheet metal part 1.
  • the guiding means 5, 6 are engaged one inside the other so that the punch holders 3 can slide in a direction parallel to the axis of the punches 4.
  • This sliding is controlled by the descent of the upper frame, as shown by the arrow F indicated on the figure 2 , and allows the punches 4 to each make a hole in the sheet metal part 1.
  • the plug 7 is moved by means of the jack 8 to disengage the parts 6 of the guide means of the parts 5, as shown by FIG. figure 4 , in order to make the punch holders 3 inactive.
  • the press can perform other operations, such as cutting the sheet metal part 1 by means of the blade 9.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The device has a complementary guide unit including a part (5) integral of a punch holder (3) and another part (6) integral of a lower frame (2). The punch holder slides between an inactive position and a working position relative to a sheet part. The sliding motion of the holder is controlled by displacement of an upper frame towards the lower frame. The latter part is movable between an active position in which the latter part is engaged relative to the former part and the inactive position, where the former and the latter parts are free from each other.

Description

La présente invention concerne un dispositif pour poinçonner une pièce en tôle positionnée sur une presse d'emboutissage comprenant un bâti inférieur et un bâti supérieur mobile vers le bâti inférieur, ainsi que plusieurs porte-poinçons portant chacun un poinçon.The present invention relates to a device for punching a sheet metal part positioned on a stamping press comprising a lower frame and a movable upper frame towards the lower frame, as well as a plurality of punch holders each carrying a punch.

L'invention concerne également une presse d'emboutissage équipée d'un tel dispositif pour poinçonner une pièce en tôle.The invention also relates to a stamping press equipped with such a device for punching a sheet metal part.

L'invention concerne en outre l'application du dispositif de poinçonnage précité, au poinçonnage de la tôle d'un côté d'habitacle de véhicule automobile, notamment pour réaliser sur la partie supérieure de ce côté d'habitacle, des trous destinés à la fixation de barres de toit.The invention furthermore relates to the application of the abovementioned punching device, to the punching of the sheet metal of a motor vehicle cabin side, in particular for producing on the upper part of this cabin side, holes intended for the fixing roof bars.

Pour réaliser des trous dans une pièce de la caisse d'un véhicule automobile, on utilise habituellement des porte-poinçons pneumatiques.To make holes in a part of the body of a motor vehicle, it is usual to use pneumatic punch holders.

Pour réaliser des trous de fixation de barres de toit dans le côté d'habitacle, il faudrait utiliser au moins trois porte-poinçons pneumatiques orientés dans des directions différentes.To make roof bar mounting holes in the cockpit side, at least three pneumatic punch holders oriented in different directions should be used.

Ces trois porte-poinçons doivent être montés dans le bâti supérieur d'une presse d'emboutissage.These three punch holders must be mounted in the upper frame of a stamping press.

De ce fait, le coulisseau de la presse doit comporter une connexion pneumatique pour pouvoir commander le poinçonnage.Therefore, the slide of the press must have a pneumatic connection to be able to control the punching.

Cependant, les porte-poinçons pneumatiques présentent un encombrement tel qu'il est impossible de les installer dans les presses d'emboutissage.However, the pneumatic punch holders have a size that it is impossible to install them in stamping presses.

Dans DE 102006020315 est proposé une presse comprenant un outil de poinçonnage par exemple, la presse comprenant un bâti inférieur et un bâti supérieur mobile vers le bâti inférieur, ainsi qu'au moins deux coulisseaux portant chacun un outil de poinçonnage, les coulisseaux portés par le bâti supérieur coopèrent avec un poussoir monté sur le bâti inférieur pour actionner l'outil du coulisseau lors de la descente du bâti inférieur sur le bâti supérieur.In DE 102006020315 there is provided a press comprising a punching tool for example, the press comprising a lower frame and an upper frame movable towards the lower frame, and at least two sliders each carrying a punching tool, the sliders carried by the upper frame cooperate with a pusher mounted on the lower frame to actuate the tool of the slider when lowering the lower frame on the upper frame.

Etant donné que les véhicules équipés de barres de toit ne représentent qu'une partie des véhicules du même type, il faut pouvoir désactiver les porte-poinçons ou outils de façon à ne pas réaliser les trous lorsque ceux-ci ne sont pas nécessaires, tout en permettant à la presse de fonctionner normalement et d'accomplir d'autres opérations.Since vehicles equipped with roof bars only represent a part of vehicles of the same type, it is necessary to be able to deactivate the punch holders or tools so as not to make the holes when they are not necessary, while allowing the press to function normally and to perform other operations.

Le but de la présente invention est de remédier à ces inconvénients.The object of the present invention is to overcome these disadvantages.

Ce but est atteint, selon l'invention, grâce à un dispositif pour poinçonner une pièce en tôle positionnée sur une presse d'emboutissage comprenant un bâti inférieur et un bâti supérieur mobile vers le bâti inférieur, ainsi que plusieurs porte-poinçons portant chacun un poinçon, caractérisé e chacun desdits porte-poinçons est monté coulissant par rapport au bâti inférieur grâce à des moyens de guidage complémentaires comprenant une partie solidaire du porte-poinçon et une partie solidaire du bâti inférieur, chacun des porte-poinçons pouvant coulisser entre une position inactive et une position de travail par rapport à la pièce en tôle, le coulissement de chaque porte-poinçon étant commandé par le déplacement du bâti supérieur vers le bâti inférieur, la partie desdits moyens de guidage solidaire du bâti inférieur étant mobile entre une position active dans laquelle ladite partie des moyens de guidage est engagée par rapport à ladite partie des moyens de guidage solidaire du porte-poinçon et une position inactive dans laquelle lesdites parties sont libres les unes par rapport aux autres.This object is achieved, according to the invention, by means of a device for punching a sheet metal part positioned on a stamping press comprising a lower frame and a movable upper frame towards the lower frame, as well as several punch holders each carrying a punch, characterized e each of said punch holder is slidably mounted relative to the lower frame by means of complementary guide means comprising a portion integral with the punch holder and a portion secured to the lower frame, each punch holder being slidable between a position inactive and a working position relative to the sheet metal part, the sliding of each punch holder being controlled by the displacement of the upper frame towards the lower frame, the portion of said guide means integral with the lower frame being movable between an active position wherein said portion of the guide means is engaged with respect to said portion of guide means secured to the punch holder and an inactive position in which said parts are free from each other.

Ainsi, le coulissement des porte-poinçons est commandé par la descente du bâti supérieur de la presse et de ce fait le poinçonnage n'est pas commandé par un système hydraulique.Thus, the sliding of the punch holders is controlled by the descent of the upper frame of the press and thus the punching is not controlled by a hydraulic system.

Les porte-poinçons ne sont par conséquent pas encombrés par un tel système hydraulique et peuvent ainsi être installés dans une presse.The punch holders are therefore not congested by such a hydraulic system and can thus be installed in a press.

De plus, chacun des porte-poinçons peut être rendu inactif afin que la presse puisse fonctionner sans effectuer des trous dans la pièce en tôle, en déplaçant les parties des moyens de guidage solidaires du bâti inférieur par rapport aux parties des moyens de guidage solidaires des porte-poinçons.In addition, each of the punch holders can be made inactive so that the press can operate without making holes in the sheet metal part, by moving the parts of the guiding means integral with the lower frame relative to the parts of the guide means integral with the the punch.

Dans une version préférée de l'invention, ladite partie desdits moyens de guidage solidaire du bâti inférieur est portée par un boisseau monté coulissant dans une direction sensiblement horizontale perpendiculaire à la direction de coulissement de chacun des porte-poinçons.In a preferred version of the invention, said portion of said guide means secured to the lower frame is carried by a slide valve mounted in a substantially horizontal direction perpendicular to the sliding direction of each of the punch holders.

Le coulissement de ce boisseau permet ainsi de mettre simultanément tous les porte-poinçons en position inactive.The sliding of this plug thus makes it possible to simultaneously put all the punch holders in the inactive position.

De préférence également, le coulissement du boisseau est commandé par un vérin.Also preferably, the sliding of the plug is controlled by a jack.

Dans un mode de réalisation avantageux de l'invention, ladite partie des moyens de guidage du porte-poinçon comprend une gorge de section transversale en V dans laquelle est engagée la partie des moyens de guidage portée par le boisseau, cette partie présentant une section transversale en V complémentaire de celle du V de ladite gorge.In an advantageous embodiment of the invention, said portion of the guide means of the punch holder comprises a V-shaped cross-section groove in which is engaged the portion of the guide means carried by the plug, this portion having a cross section in V complementary to that of the V of said groove.

Selon un autre aspect, l'invention concerne également une presse d'emboutissage équipée d'un dispositif de poinçonnage selon l'invention.According to another aspect, the invention also relates to a stamping press equipped with a punching device according to the invention.

L'invention concerne en outre l'application du dispositif de poinçonnage selon l'invention au poinçonnage de la tôle d'un côté d'habitacle de véhicule automobile, et en particulier au poinçonnage de trous dans la partie supérieure du côté d'habitacle, destinés à la fixation de barres de toit.The invention furthermore relates to the application of the punching device according to the invention to the punching of the sheet metal on a passenger side of a motor vehicle, and in particular to the punching of holes in the upper part of the passenger compartment side, intended for fixing roof bars.

D'autres particularités et avantages de l'invention apparaîtront encore tout au long de la description ci-après.Other features and advantages of the invention will become apparent throughout the description below.

Aux dessins annexés, donnés à titre d'exemples, non limitatifs :

  • la figure 1 est une vue en perspective montrant partiellement le bâti inférieur d'une presse d'emboutissage équipée d'un dispositif de poinçonnage selon l'invention,
  • la figure 2 est une vue en coupe suivant le plan II-II de la figure 1,
  • la figure 3 est une vue analogue à la figure 1, à échelle agrandie, montrant les porte-poinçons en position de travail,
  • la figure 4 est une vue analogue à la figure 3 montrant les porte-poinçons en position inactive.
In the accompanying drawings, given by way of nonlimiting examples:
  • the figure 1 is a perspective view partially showing the lower frame of a stamping press equipped with a punching device according to the invention,
  • the figure 2 is a sectional view along the plane II-II of the figure 1 ,
  • the figure 3 is a view similar to the figure 1 , on an enlarged scale, showing the punch holders in working position,
  • the figure 4 is a view similar to the figure 3 showing the punch holders in the inactive position.

Les figures 1 à 4 représentent un dispositif pour poinçonner une pièce en tôle 1 (voir figure 2) positionnée sur une presse d'emboutissage comprenant un bâti inférieur 2 et un bâti supérieur (non représenté) mobile vers le bâti inférieur 2.The Figures 1 to 4 represent a device for punching a sheet metal part 1 (see figure 2 ) positioned on a stamping press comprising a lower frame 2 and an upper frame (not shown) movable towards the lower frame 2.

Le dispositif de poinçonnage comprend plusieurs porte-poinçons 3 portant chacun un poinçon 4 visible sur la figure 2.The punching device comprises a plurality of punch holders 3 each carrying a punch 4 visible on the figure 2 .

Ces porte-poinçons 3 présentent des orientations et des inclinaisons différentes par rapport aux axes de référence.These punch holders 3 have different orientations and inclinations with respect to the reference axes.

Chacun des porte-poinçons 3 est monté coulissant par rapport au bâti inférieur 2 grâce à des moyens de guidage complémentaires comprenant une partie 5 solidaire du porte-poinçon 3 et une partie 6 solidaire du bâti inférieur 2.Each of the punch holders 3 is slidably mounted relative to the lower frame 2 by means of complementary guiding means comprising a part 5 secured to the punch holder 3 and a part 6 secured to the lower frame 2.

Chacun des porte-poinçons 3 peut coulisser dans la direction de l'axe du poinçon 4 entre une position inactive et une position de travail par rapport à la pièce en tôle 1.Each of the punch holders 3 can slide in the direction of the axis of the punch 4 between an inactive position and a working position with respect to the sheet metal part 1.

Le coulissement de chaque porte-poinçon 3 est commandé par le déplacement du bâti supérieur vers le bâti inférieur 2 dans le sens de la flèche F, représentée sur la figure 2.The sliding of each punch holder 3 is controlled by the movement of the upper frame towards the lower frame 2 in the direction of the arrow F, shown in FIG. figure 2 .

Par ailleurs, la partie 6 des moyens de guidage qui est solidaire du bâti inférieur 2 est mobile entre une position active, telle que représentée sur les figures 1, 2 et 3, dans laquelle la partie 6 des moyens de guidage est engagée par rapport à la partie 5 des moyens de guidage solidaire du porte-poinçon 3 et une position inactive, telle que représentée sur la figure 4, dans laquelle les parties 5 et 6 des moyens de guidage sont libres les unes par rapport aux autres.Furthermore, the portion 6 of the guide means which is secured to the lower frame 2 is movable between an active position, as shown in the Figures 1, 2 and 3 , in which the portion 6 of the guide means is engaged relative to the portion 5 of the guide means secured to the punch holder 3 and an inactive position, as shown in FIG. figure 4 , in which the parts 5 and 6 of the guide means are free relative to each other.

Dans le mode de réalisation représenté, la partie 6 des moyens de guidage solidaire du bâti inférieur 2 est portée par un boisseau 7 monté coulissant dans une direction sensiblement horizontale perpendiculaire à la direction de coulissement de chacun des porte-poinçons 3.In the embodiment shown, the portion 6 of the guide means secured to the lower frame 2 is carried by a plug 7 slidably mounted in a substantially horizontal direction perpendicular to the sliding direction of each of the punch holders 3.

Le coulissement du boisseau 7 est commandé par un vérin 8, visible sur la figure 1.The sliding bushel 7 is controlled by a jack 8, visible on the figure 1 .

Dans le mode de réalisation représenté, la partie 5 des moyens de guidage du porte-poinçon 3 comprend (voir figures 3 et 4) une gorge 5a de section transversale en V dans laquelle est engagée (voir figure 3) la partie 6 des moyens de guidage portée par le boisseau 7.In the embodiment shown, the portion 5 of the guide means of the punch holder 3 comprises (see Figures 3 and 4 ) a groove 5a of V cross section in which is engaged (see figure 3 ) the part 6 of the guide means carried by the plug 7.

Cette partie 6 présente une section transversale en V complémentaire de celle du V de la gorge 5a de la partie 5.This portion 6 has a V-shaped cross section complementary to that of the V of the groove 5a of part 5.

Le positionnement précis du boisseau 7 par rapport à sa direction de coulissement est obtenu grâce à des moyens de verrouillage 10, 11 visibles sur la figure 1 qui permettent de garantir la répétabilité de la géométrie.The precise positioning of the plug 7 with respect to its direction of sliding is obtained thanks to locking means 10, 11 visible on the figure 1 which make it possible to guarantee the repeatability of the geometry.

Dans l'application illustrée par les figures 1 à 4, la pièce en tôle 1 est la partie supérieure d'un côté d'habitacle sur laquelle on veut poinçonner des trous de fixation pour les barres de toit.In the application illustrated by the Figures 1 to 4 , the sheet metal part 1 is the upper part of a cockpit side on which it is desired to punch mounting holes for the roof bars.

Sur la figure 2, la référence 9 désigne une lame montée sur le bâti supérieur de la presse, permettant de découper la pièce en tôle 1.On the figure 2 9 denotes a blade mounted on the upper frame of the press, for cutting the sheet metal part 1.

Le dispositif de poinçonnage que l'on vient de décrire fonctionne comme suit.The punching device just described operates as follows.

Dans la position représentée sur les figures 1, 2 et 3, les porte-poinçons 3 sont en position active de travail, c'est-à-dire sont aptes à poinçonner la pièce en tôle 1.In the position shown on the Figures 1, 2 and 3 , the punch holders 3 are in the active working position, that is to say they are able to punch the sheet metal part 1.

Les moyens de guidage 5, 6 sont engagés l'un dans l'autre de sorte que les porte-poinçons 3 peuvent coulisser dans une direction parallèle à l'axe des poinçons 4.The guiding means 5, 6 are engaged one inside the other so that the punch holders 3 can slide in a direction parallel to the axis of the punches 4.

Ce coulissement est commandé par la descente du bâti supérieur, comme montré par la flèche F indiquée sur la figure 2, et permet aux poinçons 4 de réaliser chacun un trou dans la pièce en tôle 1.This sliding is controlled by the descent of the upper frame, as shown by the arrow F indicated on the figure 2 , and allows the punches 4 to each make a hole in the sheet metal part 1.

Lorsqu'on ne veut pas réaliser de tels trous dans la pièce en tôle 1, on déplace le boisseau 7 au moyen du vérin 8 pour dégager les parties 6 des moyens de guidage des parties 5, comme montré par la figure 4, afin de rendre les porte-poinçons 3 inactifs.When one does not want to make such holes in the sheet metal part 1, the plug 7 is moved by means of the jack 8 to disengage the parts 6 of the guide means of the parts 5, as shown by FIG. figure 4 , in order to make the punch holders 3 inactive.

Dans cette position, la presse peut effectuer d'autres opérations, telles que la découpe de la pièce en tôle 1 au moyen de la lame 9.In this position, the press can perform other operations, such as cutting the sheet metal part 1 by means of the blade 9.

Bien entendu l'invention n'est pas limitée à l'application décrite plus haut et peut s'appliquer au poinçonnage de toute autre pièce en tôle.Of course the invention is not limited to the application described above and can be applied to the punching of any other sheet metal part.

Claims (7)

Dispositif pour poinçonner une pièce en tôle (1) positionnée sur une presse d'emboutissage comprenant un bâti inférieur (2) et un bâti supérieur mobile vers le bâti inférieur (2), ainsi que plusieurs porte-poinçons (3) portant chacun un poinçon (4), caractérisé en ce que chacun desdits porte-poinçons (3) est monté coulissant par rapport au bâti inférieur (2) grâce à des moyens de guidage complémentaires comprenant une partie (5) solidaire du porte-poinçon (3) et une partie (6) solidaire du bâti inférieur (2), chacun des porte-poinçons (3) pouvant coulisser entre une position inactive et une position de travail par rapport à la pièce en tôle (1), le coulissement de chaque porte-poinçon (3) étant commandé par le déplacement du bâti supérieur vers le bâti inférieur (2), la partie (6) desdits moyens de guidage solidaire du bâti inférieur (2) étant mobile entre une position active dans laquelle ladite partie (6) des moyens de guidage est engagée par rapport à ladite partie (5) des moyens de guidage solidaire du porte-poinçon (3) et une position inactive dans laquelle lesdites parties (5, 6) sont libres les unes par rapport aux autres.Device for punching a sheet metal part (1) positioned on a stamping press comprising a lower frame (2) and a movable upper frame towards the lower frame (2), as well as a plurality of punch holders (3) each bearing a punch (4), characterized in that each of said punch holders (3) is slidably mounted relative to the lower frame (2) by means of complementary guide means comprising a portion (5) integral with the punch holder (3) and a part (6) secured to the lower frame (2), each of the punch holders (3) being slidable between an inactive position and a working position with respect to the sheet metal part (1), the sliding of each punch holder ( 3) being controlled by the movement of the upper frame towards the lower frame (2), the portion (6) of said guide means secured to the lower frame (2) being movable between an active position in which said portion (6) of the means of guiding is engaged by r providing said portion (5) with integral guiding means for the punch holder (3) and an inactive position in which said parts (5, 6) are free from each other. Dispositif selon la revendication 1, caractérisé en ce que ladite partie (6) desdits moyens de guidage solidaire du bâti inférieur (2) est portée par un boisseau (7) monté coulissant dans une direction sensiblement horizontale perpendiculaire à la direction de coulissement de chacun des porte-poinçons (3).Device according to claim 1, characterized in that said portion (6) of said guide means secured to the lower frame (2) is carried by a plug (7) slidably mounted in a substantially horizontal direction perpendicular to the direction of sliding of each of punch holder (3). Dispositif selon la revendication 2, caractérisé en ce que le coulissement du boisseau (7) est commandé par un vérin (8).Device according to claim 2, characterized in that the sliding of the plug (7) is controlled by a jack (8). Dispositif selon l'une des revendications 2 ou 3, caractérisé en ce que ladite partie (5) des moyens de guidage du porte-poinçon (3) comprend une gorge (5a) de section transversale en V dans laquelle est engagée la partie (6) des moyens de guidage portée par le boisseau (7), cette partie (6) présentant une section transversale en V complémentaire de celle du V de ladite gorge (5a).Device according to one of claims 2 or 3, characterized in that said portion (5) of the guide means of the punch holder (3) comprises a groove (5a) of V cross section in which is engaged the portion (6 ) guiding means carried by the plug (7), this portion (6) having a V-shaped cross section complementary to that of the V of said groove (5a). Presse d'emboutissage équipée d'un dispositif de poinçonnage selon l'une des revendications 1 à 4.Stamping press equipped with a punching device according to one of claims 1 to 4. Application du dispositif de poinçonnage selon l'une des revendications 1 à 4 au poinçonnage de la tôle d'un côté d'habitacle de véhicule automobile.Application of the punching device according to one of Claims 1 to 4 to the punching of the sheet metal of a motor vehicle cabin side. Application selon la revendication 6 au poinçonnage de trous dans la partie supérieure du côté d'habitacle, destinés à la fixation de barres de toit.Application according to Claim 6 for punching holes in the upper part of the passenger compartment side for fixing roof bars.
EP13176160.3A 2012-09-10 2013-07-11 Device for punching a sheet-metal part, including sliding punches Active EP2705914B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1258440A FR2995242B1 (en) 2012-09-10 2012-09-10 DEVICE FOR PUNCHING A SHEET PIECE, COMPRISING SLIDING PUNCHES

Publications (2)

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EP2705914A1 true EP2705914A1 (en) 2014-03-12
EP2705914B1 EP2705914B1 (en) 2015-04-01

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EP13176160.3A Active EP2705914B1 (en) 2012-09-10 2013-07-11 Device for punching a sheet-metal part, including sliding punches

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EP (1) EP2705914B1 (en)
FR (1) FR2995242B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021239A1 (en) * 2014-05-20 2015-11-27 Peugeot Citroen Automobiles Sa CONTROL DEVICE SUITABLE FOR USE IN A MAIN BINDING TOOL AND PROVIDED WITH AN AUXILIARY BINDING SLIDER

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3100726B1 (en) 2019-09-16 2022-01-14 Psa Automobiles Sa Device for punching sheet metal in concurrent directions, by bearing against each other of sliders carrying respective punches.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117229U (en) * 1984-07-02 1986-01-31 トヨタ自動車株式会社 Press processing equipment
DE102006020315A1 (en) 2006-05-03 2007-11-08 Wilhelm Karmann Gmbh Press device for processing workpiece has two slides connected by traverse carrying at least one processing tool

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117229U (en) * 1984-07-02 1986-01-31 トヨタ自動車株式会社 Press processing equipment
DE102006020315A1 (en) 2006-05-03 2007-11-08 Wilhelm Karmann Gmbh Press device for processing workpiece has two slides connected by traverse carrying at least one processing tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3021239A1 (en) * 2014-05-20 2015-11-27 Peugeot Citroen Automobiles Sa CONTROL DEVICE SUITABLE FOR USE IN A MAIN BINDING TOOL AND PROVIDED WITH AN AUXILIARY BINDING SLIDER

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EP2705914B1 (en) 2015-04-01
FR2995242B1 (en) 2014-09-19
FR2995242A1 (en) 2014-03-14

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