EP2411166B1 - Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment - Google Patents

Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment Download PDF

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Publication number
EP2411166B1
EP2411166B1 EP10709907A EP10709907A EP2411166B1 EP 2411166 B1 EP2411166 B1 EP 2411166B1 EP 10709907 A EP10709907 A EP 10709907A EP 10709907 A EP10709907 A EP 10709907A EP 2411166 B1 EP2411166 B1 EP 2411166B1
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EP
European Patent Office
Prior art keywords
edge
metal sheet
tool
lifting
trimming
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EP10709907A
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German (de)
French (fr)
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EP2411166A1 (en
Inventor
Christophe Garnier
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PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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Publication of EP2411166A1 publication Critical patent/EP2411166A1/en
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    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process

Definitions

  • the present invention relates to a press tool for trimming and lifting a single sheet edge in a single operation according to the preamble of claim 1. It also relates to a method of trimming and lifting the same sheet edge in a single operation, which uses such tooling.
  • the document FR 2 629 006 describes a cutting tool for the peripheral finishing of panels for the interior lining of motor vehicles.
  • This tool comprises, on the one hand, a crown-shaped matrix, which is provided with a raised and profiled abutment whose shape corresponds to the peripheral zone of the panel and, on the other hand, a member acting as a punch, provided with vertical cutting elements adapted to cooperate in the manner of a shear, under the action of a press, with the outer edges of the raised and profiled abutment of the die to cut the peripheral zone of the panel.
  • the punch and the die are both provided with guiding elements able to allow the correct operation of these elements.
  • JP 07 032057 a press tool for trimming and lifting the same sheet metal edge in a single operation which comprises a lower part and an upper part respectively having a bending tool, a tool for trimming the said sheet edge, integral with the upper part and able to shear the edge of sheet.
  • the object of the present invention is to provide a press tool, which allows to perform in a single operation the trimming and lifting of the same sheet edge.
  • Another object of the present invention is to provide such press tooling, which is of simple design and construction, which is robust, reliable and economical, and which therefore makes it possible to simplify and reduce the cost of the operation. trimming and lifting a sheet edge.
  • the present invention relates to a press tool for trimming and lifting a single sheet edge in a single operation.
  • This new tooling comprises a lower part, an upper part movable in translation relative to the lower part so as to be able to tighten said sheet edge, a tool for trimming said sheet edge, integral with the upper part and able to shear the sheet-metal edge cooperating with a counter-blade secured to the lower part, and a cut-edge edge lifting tool secured to the lower part and profiled so as to cooperate by matching the shapes with a corresponding shape of the upper part. in order to raise the edge of the sheet when the translational movement of the upper part against the lower part is continued after the trimming.
  • the upper part of the tool is constituted by an upper frame and a movable presser slidable relative to said upper frame, which movable presser comprises at least one clamping surface of the sheet metal edge to be cut, and is characterized
  • the lower part is constituted by a lower frame and a movable bottom slidable relative to said lower frame, which movable bottom has at least one bearing surface of the sheet metal edge to be cut.
  • said counterblade is constituted by an upper edge of the edge lifting tool.
  • the corresponding shape of the upper part for lifting the edge of the sheet is constituted by an inclined section of the clamping surface of the sheet edge, with the same inclination as the profile of the lifting tool.
  • the movable presser is connected to the upper frame by springs which compress during clamping of the sheet metal edge to be cut, and the movable bottom is connected to the lower frame by springs which compress during the lifting phase of the edge sheet metal.
  • the sliding of the movable presser relative to the upper frame and the sliding of the movable bottom relative to the lower frame can be obtained by vertical slideways.
  • the edge of the sheet being raised comes to the end of the press stroke and then begins its ascent, in order to carry out a new clipping and lifting operation of the same edge of another sheet.
  • This new method can be applied, for example, to the constituent plates of motor vehicle pavilions with integrated rear gutter and horizontally fixed shutter hinges.
  • the press tooling according to a preferred embodiment of the present invention in the open position is shown. It is consisting of an upper part, of general reference 10, and a lower part, of general reference 20.
  • the upper part 10 comprises an upper frame 11 on which is mounted fixed a cutting tool, also called a trimming tool 13, and a movable presser 12.
  • the assembly 11, 12 is movable in vertical translation along the arrow F of the figure 1 .
  • the movable presser 12 can slide vertically with respect to the upper frame 11 by means of the sliding means 11a, 12a, which can be slides, for example, carried by the upper frame 11 and the movable presser 12, respectively.
  • the trimming tool 13 comprises a clipping blade 14 capable of cutting a sheet.
  • Elastic spring return means 15 are mounted on the movable presser 12 to clamp the workpiece, as will be explained later in this text.
  • the lower part 20 comprises a lower frame 21, on which is mounted an edge lifting tool 23, and a bottom 22 movable relative to the lower frame 21.
  • the movable bottom 22 can slide vertically relative to the lower frame 21 to the using sliding means 21a, 22a, which can be, as for the upper part, slides, for example, carried by the lower frame 21 and the movable bottom 22, respectively.
  • the workpiece preferably a sheet metal part, is referenced 30. It is in position on the movable bottom 22, in particular on its upper bearing faces 22e, 22f, adapted, as the corresponding surfaces 12e and 12f of the presser mobile 12, the profile of the sheet 30, before the cutting of its end 30a and the lifting of its cut edge.
  • FIG. 4 shows schematically the press tooling according to the invention being closed according to the movement of the arrow F, at the beginning of the first phase of this movement in the vertical direction, called the "clipping phase".
  • the cutting blade 14 comes into contact with the sheet metal part 30, as shown in FIG. in detail on the Figure 2B and the springs 15 compress.
  • the upper frame 11 continues its descent movement, which then causes the start of the trimming operation, the trimming blade 14 coming to shear the sheet 30 and thus separate the cut portion 30a of the sheet 30, as shown in the drawings of the Figures 3A and 3B .
  • the shear effect is obtained, as can be seen better on the figure 3B by sliding in the shearing plane C of the trimming blade 14 on a counter blade formed by an upper edge 24a of the blade 24 of the edge lifting tool 23.
  • the end portion 30b of the sheet metal part 30 thus cut away is then raised in the second stage of the press operation.
  • the edge of the sheet 30 being raised on the lifting blade, the upper part 10 of the tool has arrived at the end of the race and can begin its ascent, in order to perform a new operation of trimming and lifting the edge on another sheet.
  • the tool described above by way of example is advantageously applicable to the constituent plates of motor vehicle pavilions with integrated rear gutter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Punching Or Piercing (AREA)
  • Shearing Machines (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Description

La présente invention concerne un outillage de presse pour le détourage et le relevage d'un même bord de tôle en une seule opération selon le préambule de la revendication 1. Elle concerne aussi un procédé de détourage et de relevage d'un même bord de tôle en une seule opération, qui utilise un tel outillage.The present invention relates to a press tool for trimming and lifting a single sheet edge in a single operation according to the preamble of claim 1. It also relates to a method of trimming and lifting the same sheet edge in a single operation, which uses such tooling.

On a déjà cherché à simplifier la conception d'un outillage de découpe ou emporte-pièce. Ainsi, le document FR 2 629 006 décrit un outillage de découpe pour la finition périphérique de panneaux destinés au revêtement intérieur de véhicules automobiles. Cet outillage comprend, d'une part, une matrice en forme de couronne, qui est pourvue d'une butée surélevée et profilée dont la forme correspond à la zone périphérique du panneau et, d'autre part, un organe faisant fonction de poinçon, muni d'éléments de coupe verticaux aptes à coopérer à la façon d'une cisaille, sous l'action d'une presse, avec les bords extérieurs de la butée surélevée et profilée de la matrice pour découper la zone périphérique du panneau. Le poinçon et la matrice sont tous deux munis d'éléments de guidage aptes à permettre le fonctionnement correct de ces éléments.We have already sought to simplify the design of a cutting tool or punch. Thus, the document FR 2 629 006 describes a cutting tool for the peripheral finishing of panels for the interior lining of motor vehicles. This tool comprises, on the one hand, a crown-shaped matrix, which is provided with a raised and profiled abutment whose shape corresponds to the peripheral zone of the panel and, on the other hand, a member acting as a punch, provided with vertical cutting elements adapted to cooperate in the manner of a shear, under the action of a press, with the outer edges of the raised and profiled abutment of the die to cut the peripheral zone of the panel. The punch and the die are both provided with guiding elements able to allow the correct operation of these elements.

On connaît également par JP 07 032057 , un outillage de presse pour le détourage et le relevage d'un même bord de tôle en une seule opération qui comprend une partie inférieure et une partie supérieure ayant respectivement un outil de bordage, un outil de détourage dudit bord de tôle, solidaire de la partie supérieure et apte à cisailler le bord de tôle.We also know by JP 07 032057 , a press tool for trimming and lifting the same sheet metal edge in a single operation which comprises a lower part and an upper part respectively having a bending tool, a tool for trimming the said sheet edge, integral with the upper part and able to shear the edge of sheet.

Le but de la présente invention est de fournir un outillage de presse, qui permette de réaliser en une seule et unique opération le détourage et le relevage d'un même bord de tôle.The object of the present invention is to provide a press tool, which allows to perform in a single operation the trimming and lifting of the same sheet edge.

Un autre but de la présente invention est de fournir un tel outillage de presse, qui soit de conception et de réalisation simple, qui soit robuste, fiable et économique, et qui, par conséquent, permette de simplifier et réduire le coût de l'opération de détourage et de relevage d'un bord de tôle.Another object of the present invention is to provide such press tooling, which is of simple design and construction, which is robust, reliable and economical, and which therefore makes it possible to simplify and reduce the cost of the operation. trimming and lifting a sheet edge.

Enfin, c'est également un but de la présente invention de fournir un outillage de presse au lieu de deux, qui permette un gain de superficie et de logistique dans les usines de fabrication des pièces en tôle concernées.Finally, it is also an object of the present invention to provide a press tooling instead of two, which allows a gain in area and logistics in factories for manufacturing the sheet metal parts concerned.

Pour parvenir à ces buts, la présente invention a pour objet un outillage de presse pour le détourage et le relevage d'un même bord de tôle en une seule et unique opération. Ce nouvel outillage comprend une partie inférieure, une partie supérieure mobile en translation par rapport à la partie inférieure de façon à pouvoir venir serrer ledit bord de tôle, un outil de détourage dudit bord de tôle, solidaire de la partie supérieure et apte à cisailler le bord de tôle en coopérant avec une contre-lame solidaire de la partie inférieure, et un outil de relevage du bord de tôle détouré, solidaire de la partie inférieure et profilé de manière à coopérer par concordance des formes avec une forme correspondante de la partie supérieure de manière à relever le bord de la tôle lorsque le mouvement de translation de la partie supérieure contre la partie inférieure est poursuivi après le détourage. La partie supérieure de l'outillage est constituée par un bâti supérieur et un presseur mobile pouvant coulisser par rapport audit bâti supérieur, lequel presseur mobile comporte au moins une surface de serrage du bord de tôle à détourer, et il est caractériséTo achieve these aims, the present invention relates to a press tool for trimming and lifting a single sheet edge in a single operation. This new tooling comprises a lower part, an upper part movable in translation relative to the lower part so as to be able to tighten said sheet edge, a tool for trimming said sheet edge, integral with the upper part and able to shear the sheet-metal edge cooperating with a counter-blade secured to the lower part, and a cut-edge edge lifting tool secured to the lower part and profiled so as to cooperate by matching the shapes with a corresponding shape of the upper part. in order to raise the edge of the sheet when the translational movement of the upper part against the lower part is continued after the trimming. The upper part of the tool is constituted by an upper frame and a movable presser slidable relative to said upper frame, which movable presser comprises at least one clamping surface of the sheet metal edge to be cut, and is characterized

en ce que la partie inférieure est constituée par un bâti inférieur et un fond mobile pouvant coulisser par rapport audit bâti inférieur, lequel fond mobile comporte au moins une surface d'appui du bord de tôle à détourer.in that the lower part is constituted by a lower frame and a movable bottom slidable relative to said lower frame, which movable bottom has at least one bearing surface of the sheet metal edge to be cut.

Selon le mode préféré de réalisation de l'invention, ladite contre-lame est constituée par une arête supérieure de l'outil de relevage de bord.According to the preferred embodiment of the invention, said counterblade is constituted by an upper edge of the edge lifting tool.

La forme correspondante de la partie supérieure servant au relevage du bord de la tôle est constituée par un pan incliné de la surface de serrage du bord de tôle, de même inclinaison que le profil de l'outil de relevage.The corresponding shape of the upper part for lifting the edge of the sheet is constituted by an inclined section of the clamping surface of the sheet edge, with the same inclination as the profile of the lifting tool.

De préférence, le presseur mobile est lié au bâti supérieur par des ressorts qui se compriment lors du serrage du bord de tôle à détourer, et le fond mobile est lié au bâti inférieur par des ressorts qui se compriment lors de la phase de relevage du bord de tôle.Preferably, the movable presser is connected to the upper frame by springs which compress during clamping of the sheet metal edge to be cut, and the movable bottom is connected to the lower frame by springs which compress during the lifting phase of the edge sheet metal.

Le coulissement du presseur mobile par rapport au bâti supérieur et le coulissement du fond mobile par rapport au bâti inférieur peuvent être obtenus par des glissières verticales.The sliding of the movable presser relative to the upper frame and the sliding of the movable bottom relative to the lower frame can be obtained by vertical slideways.

La présente invention a également pour objet un procédé de détourage et de relevage d'un même bord de tôle en une seule opération, qui utilise un outillage conforme à celui décrit ci-dessus dans ses grandes lignes. Ce nouveau procédé comporte les étapes suivantes :

  • on place la tôle sur la partie inférieure dudit outillage,
  • on fait descendre la partie supérieure qui vient en contact avec la partie inférieure pour serrer la tôle sous l'effet des ressorts de la partie supérieure qui sont plus faible que ceux de la partie inférieure,
  • on poursuit le mouvement de descente de la partie supérieure de l'outillage, ce qui provoque le détourage de ladite tôle,
  • quand les ressorts de la partie supérieure arrivent en fin de course, la partie supérieure se comporte comme si elle était fixe et comprime les ressorts de la partie inférieure, on poursuit encore le même mouvement de descente de la partie supérieure de l'outillage, ce qui provoque alors le relevage du bord de la tôle détourée.
The present invention also relates to a method of trimming and lifting the same sheet edge in a single operation, which uses a tool according to that described above in outline. This new process comprises the following steps:
  • the sheet is placed on the lower part of said tool,
  • the upper part comes into contact with the lower part to clamp the sheet under the effect of the springs of the upper part which are lower than those of the lower part,
  • the descent movement of the upper part of the tooling is continued, which causes the clipping of said sheet,
  • when the springs of the upper part arrive at the end of the stroke, the upper part behaves as if it were fixed and compresses the springs of the lower part, the same movement of descent of the upper part of the tooling is continued, this which then causes the lifting of the edge of the cut sheet metal.

Selon un mode de mise en oeuvre du procédé préféré le bord de la tôle étant relevé, la partie supérieure arrive en fin de course de presse et commence alors sa remontée, afin de procéder à une nouvelle opération de détourage et de relevage d'un même bord d'une autre tôle.According to one embodiment of the preferred method, the edge of the sheet being raised, the upper part comes to the end of the press stroke and then begins its ascent, in order to carry out a new clipping and lifting operation of the same edge of another sheet.

Ce nouveau procédé peut s'appliquer, par exemple, aux tôles constitutives des pavillons de véhicule automobile avec gouttière arrière intégrée et aux charnières de volet fixées horizontalement.This new method can be applied, for example, to the constituent plates of motor vehicle pavilions with integrated rear gutter and horizontally fixed shutter hinges.

D'autres buts, avantages et caractéristiques de l'invention apparaîtront dans la description qui suit d'un mode de réalisation préféré accompagnée de dessins dans lesquels :

  • la figure 1 représente, de manière schématique, l'outillage de presse selon un mode de réalisation préféré de la présente invention en position ouverte,
  • la figure 2A représente, de manière schématique, l'outillage de presse de la figure 1 en cours de fermeture, au début de la phase de détourage,
  • la figure 2B est une vue agrandie de la zone du bord de tôle, dans la position de l'outillage représentée en figure 2A,
  • la figure 3A représente, de manière schématique, l'outillage de presse des figures 1, 2A et 2B en cours de fermeture, au début de la phase de relevage du bord de tôle,
  • la figure 3B est une vue agrandie de la zone du bord de tôle, dans la position de l'outillage représentée en figure 3A,
  • la figure 4A représente, de manière schématique, l'outillage de presse des figures 1, 2A, 2B, 3A et 3B en position de fermeture, et
  • la figure 4B est une vue agrandie de la zone du bord de tôle, dans la position de fermeture de l'outillage de la figure 4A.
Other objects, advantages and features of the invention will become apparent from the following description of a preferred embodiment accompanied by drawings in which:
  • the figure 1 represents schematically the press tooling according to a preferred embodiment of the present invention in open position,
  • the Figure 2A represents, in a schematic way, the press tooling of the figure 1 during closure, at the beginning of the clipping phase,
  • the Figure 2B is an enlarged view of the zone of the sheet edge, in the position of the tooling represented in Figure 2A ,
  • the figure 3A represents, in a schematic way, the press tools of the figures 1 , 2A and 2B during closing, at the beginning of the lifting phase of the sheet metal edge,
  • the figure 3B is an enlarged view of the zone of the sheet edge, in the position of the tooling represented in figure 3A ,
  • the Figure 4A represents, in a schematic way, the press tools of the figures 1 , 2A , 2B , 3A and 3B in the closed position, and
  • the Figure 4B is an enlarged view of the zone of the sheet edge, in the closed position of the tooling of the Figure 4A .

En référence au dessin de la figure 1, on a représenté, de manière schématique, l'outillage de presse selon un mode de réalisation préféré de la présente invention en position ouverte. Il est constitué d'une partie supérieure, de référence générale 10, et d'une partie inférieure, de référence générale 20.With reference to the drawing of the figure 1 schematically, the press tooling according to a preferred embodiment of the present invention in the open position is shown. It is consisting of an upper part, of general reference 10, and a lower part, of general reference 20.

La partie supérieure 10 comporte un bâti supérieur 11 sur lequel est monté fixe un outil de découpe, appelé aussi outil de détourage 13, et un presseur mobile 12. L'ensemble 11, 12 est mobile en translation verticale selon la flèche F de la figure 1. Le presseur mobile 12 peut coulisser verticalement par rapport au bâti supérieur 11 à l'aide des moyens de coulissement 11a, 12a, qui peuvent être des glissières, par exemple, portées par le bâti supérieur 11 et le presseur mobile 12, respectivement. L'outil de détourage 13 comporte une lame de détourage 14 apte à la découpe d'une tôle. Des moyens de rappel élastiques 15, de type ressorts, sont montés sur le presseur mobile 12 pour serrer la pièce à travailler, comme il sera expliqué plus loin dans le présent texte.The upper part 10 comprises an upper frame 11 on which is mounted fixed a cutting tool, also called a trimming tool 13, and a movable presser 12. The assembly 11, 12 is movable in vertical translation along the arrow F of the figure 1 . The movable presser 12 can slide vertically with respect to the upper frame 11 by means of the sliding means 11a, 12a, which can be slides, for example, carried by the upper frame 11 and the movable presser 12, respectively. The trimming tool 13 comprises a clipping blade 14 capable of cutting a sheet. Elastic spring return means 15 are mounted on the movable presser 12 to clamp the workpiece, as will be explained later in this text.

La partie inférieure 20 comporte un bâti inférieur 21, sur lequel est monté un outil de relevage de bord 23, et un fond 22 mobile par rapport au bâti inférieur 21. Le fond mobile 22 peut coulisser verticalement par rapport au bâti inférieur 21 à l'aide de moyens de coulissement 21a, 22a, qui peuvent être, comme pour la partie supérieure, des glissières, par exemple, portées par le bâti inférieur 21 et le fond mobile 22, respectivement. L'outil de relevage de bord 23, qui comporte une lame de relevage 24. Le mouvement en translation verticale du fond mobile 22 par rapport au bâti inférieur 21 s'exerce contre l'action de moyens de rappel élastiques de type ressorts, référencés 25.The lower part 20 comprises a lower frame 21, on which is mounted an edge lifting tool 23, and a bottom 22 movable relative to the lower frame 21. The movable bottom 22 can slide vertically relative to the lower frame 21 to the using sliding means 21a, 22a, which can be, as for the upper part, slides, for example, carried by the lower frame 21 and the movable bottom 22, respectively. The edge lifting tool 23, which comprises a lifting blade 24. The movement in vertical translation of the movable base 22 relative to the lower frame 21 is exerted against the action of spring-like elastic return means, referenced 25 .

La pièce à travailler, de préférence une pièce de tôle, est référencée 30. Elle est en position sur le fond mobile 22, en particulier sur ses faces d'appui supérieures 22e, 22f, adaptées, comme les surfaces correspondantes 12e et 12f du presseur mobile 12, au profil de la tôle 30, avant la découpe de son extrémité 30a et le relevage de son bord découpé.The workpiece, preferably a sheet metal part, is referenced 30. It is in position on the movable bottom 22, in particular on its upper bearing faces 22e, 22f, adapted, as the corresponding surfaces 12e and 12f of the presser mobile 12, the profile of the sheet 30, before the cutting of its end 30a and the lifting of its cut edge.

En référence aux dessins des figures 2A et 2B, on a représenté, de manière schématique, l'outillage de presse selon l'invention en cours de fermeture selon le mouvement de la flèche F, au début de la première phase de ce mouvement selon la direction verticale, dite « phase de détourage ».With reference to the drawings of Figures 2A and 2B FIG. 4 shows schematically the press tooling according to the invention being closed according to the movement of the arrow F, at the beginning of the first phase of this movement in the vertical direction, called the "clipping phase". .

La partie supérieure 10, formée du bâti supérieur 11 et du presseur mobile 12, vient en contact avec la partie inférieure 20 pour serrer la pièce de tôle 30. La lame de détourage 14 vient en contact avec la pièce de tôle 30, comme montré plus en détail sur la figure 2B, et les ressorts 15 se compriment. Le bâti supérieur 11 poursuit son mouvement de descente, ce qui provoque alors le début de l'opération de détourage, la lame de détourage 14 venant cisailler la tôle 30 et séparer ainsi la partie découpée 30a de la tôle 30, comme représenté sur les dessins des figures 3A et 3B.The upper part 10, formed of the upper frame 11 and the movable presser 12, comes into contact with the lower part 20 to clamp the sheet metal part 30. The cutting blade 14 comes into contact with the sheet metal part 30, as shown in FIG. in detail on the Figure 2B and the springs 15 compress. The upper frame 11 continues its descent movement, which then causes the start of the trimming operation, the trimming blade 14 coming to shear the sheet 30 and thus separate the cut portion 30a of the sheet 30, as shown in the drawings of the Figures 3A and 3B .

L'effet de cisaillement est obtenu, comme on peut mieux le voir sur la figure 3B, par le coulissement dans le plan de cisaillement C de la lame de détourage 14 sur une contre-lame constituée par une arête supérieure 24a de la lame 24 de l'outil de relevage de bord 23.The shear effect is obtained, as can be seen better on the figure 3B by sliding in the shearing plane C of the trimming blade 14 on a counter blade formed by an upper edge 24a of the blade 24 of the edge lifting tool 23.

La partie d'extrémité 30b de la pièce de tôle 30 ainsi détourée est ensuite relevée dans la seconde étape de l'opération de presse.The end portion 30b of the sheet metal part 30 thus cut away is then raised in the second stage of the press operation.

En référence aux dessins des figures 4A et 4B, une fois la tôle 30 détourée et la chute 30a évacuée, les ressorts 15 du presseur mobile 12 sont comprimés complètement et la partie supérieure 10 dans son ensemble, par conséquent le bâti 11 et le presseur 12, poursuit son mouvement de descente. Cette poursuite du mouvement de translation, selon la direction de la flèche F de la figure 3A, pousse le fond mobile 22 vers le bas en comprimant ses ressorts 25. Le fond mobile vient en contact avec la lame 24 de l'outil de relevage 23. De façon plus précise, le pan incliné 12b du presseur mobile 12 vient en contact avec la face inclinée 24b de la lame 24. Le pan incliné 12b et la face 24b ont même inclinaison, et relève le bord 30b de la tôle 30 en se rapprochant (figure 4A et 4B).With reference to the drawings of Figures 4A and 4B once the sheet 30 has been cut off and the chute 30a discharged, the springs 15 of the movable presser 12 are completely compressed and the upper part 10 as a whole, consequently the frame 11 and the presser 12, continues its descent movement. This pursuit of the translation movement, according to the direction of the arrow F of the figure 3A pushes the movable base 22 downwards by compressing its springs 25. The movable base comes into contact with the blade 24 of the lifting tool 23. More precisely, the inclined face 12b of the mobile presser 12 comes into contact with the inclined face 24b of the blade 24. The inclined face 12b and the face 24b have the same inclination, and raises the edge 30b of the sheet 30 while approaching ( Figure 4A and 4B ).

Le bord de la tôle 30 étant relevé sur la lame de relevage, la partie supérieure 10 de l'outillage est arrivée en fin de course et peut commencer sa remontée, dans le but de réaliser une nouvelle opération de détourage et de relevage du bord sur une autre tôle.The edge of the sheet 30 being raised on the lifting blade, the upper part 10 of the tool has arrived at the end of the race and can begin its ascent, in order to perform a new operation of trimming and lifting the edge on another sheet.

L'outillage décrit ci-dessus à titre d'exemple s'applique avantageusement aux tôles constitutives des pavillons de véhicule automobile avec gouttière arrière intégrée.The tool described above by way of example is advantageously applicable to the constituent plates of motor vehicle pavilions with integrated rear gutter.

La présente invention présente de nombreux avantages, parmi lesquels les avantages suivants :

  • un gain économique d'un outillage de presse classique,
  • en conséquence, un gain de superficie et de logistique en usine de fabrication, et
  • une simplification du découpage de la pièce en tôle.
The present invention has many advantages, among which the following advantages:
  • an economic gain of a conventional press tool,
  • as a result, a gain in area and logistics in a manufacturing plant, and
  • a simplification of the cutting of the sheet metal part.

Bien entendu, la présente invention n'est pas limitée au mode de réalisation décrit et représenté ci-dessus à titre d'exemple ; d'autres modes de réalisation peuvent être conçus par l'homme de métier sans sortir du cadre et de la portée de la présente invention, telle que définie dans les revendications.Of course, the present invention is not limited to the embodiment described and shown above by way of example; other embodiments may be devised by those skilled in the art without departing from the scope and scope of the present invention as defined in the claims.

Claims (9)

  1. Press tool for trimming and raising the same edge of a metal sheet (30) in a single operation, which comprises a bottom part (20), a top part (10) able to move in translation with respect to the bottom part (20) so as to be able to grip said edge of a metal sheet (30), a tool (13) for trimming said edge of a metal sheet, secured to the top part (10) and able to shear the edge of the sheet metal (30) while cooperating with a counter-blade secured to the bottom part (20), and a tool (23) for lifting the edge of the trimmed metal sheet, secured to the bottom part (20) and profiled so as to cooperate by agreement of shapes with a corresponding shape (12b) on the top part (10) so as to lift the edge of the metal sheet (30) when the translation movement of the top part (10) against the bottom part (20) is continued after the trimming, the top part (10) consisting of a top frame (11) and a movable presser (12) able to slide with respect to said top frame (11), said movable presser (12) comprising at least one surface (12e; 12f) for gripping the edge of the metal sheet (30) to be trimmed, characterised in that the bottom part (20) is formed by a bottom frame (21) and a movable bottom (22) able to slide with respect to said bottom frame (21), said movable bottom (22) comprising at least one surface (22e; 22f) for supporting the edge of the metal sheet (30) to be trimmed.
  2. Tool according to claim 1, characterised in that said counter-blade is formed by a top edge (24a) of the edge lifting tool (23).
  3. Tool according to claim 1, characterised in that said corresponding shape of the top part (10) serving for lifting the edge (30b) of the metal sheet (30) is formed by an inclined face (12b) of the surface (12f) for gripping the edge of the metal sheet, with the same inclination as the profile (24b) of the lifting tool (23).
  4. Tool according to claim 1, characterised in that the movable presser (12) is connected to the top frame (11) by springs (15) that compress when the edge of the metal sheet (30) to be trimmed is gripped.
  5. Tool according to claim 1, characterised in that the movable bottom (22) is connected to the bottom frame (21) by springs (25) that compress during the phase of lifting the edge (30b) of the metal sheet (30).
  6. Tool according to claim 1, characterised in that the sliding of the movable presser (12) with respect to the top frame (11) and the sliding of the movable bottom (22) with respect to the bottom frame (21) are obtained by means of vertical runners (11a, 12a; 21 a, 22a).
  7. Method for trimming and lifting the same edge of a metal sheet in a single operation, which uses a tool according to any one of claims 1 to 6, characterised by the following steps, taken in combination:
    - the metal sheet (30) is placed on the bottom part (20) of said tool;
    - the top part (10) is lowered, which comes into contact with the bottom part (20) in order to grip the metal sheet (30) under the effect of the springs of the top part, which are weaker than those of the bottom part,
    - the descent movement of the top part (10) of the tool is continued, which causes the trimming of said metal sheet (30),
    - when the springs of the top part arrive at the end of travel, the top part behaves as if it were fixed and then compresses the springs of the bottom part, and the same descent movement of the top part (10) of the tool is again continued, which then causes the lifting of the edge (30b) of the trimmed metal sheet (30).
  8. Method according to claim 7, characterised in that, the edge (30b) of the metal sheet (30) being lifted, the top part (10) arrives at the end of travel of the press and then commences its rising again, in order to proceed with a new operation of trimming and lifting the same edge of another metal sheet.
  9. Method according to either one of claims 7 and 8, characterised in that it applies to the metal sheets constituting motor vehicle roofs with integral rear gutter.
EP10709907A 2009-03-24 2010-02-25 Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment Active EP2411166B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0951852A FR2943563A1 (en) 2009-03-24 2009-03-24 PRESS TOOLS FOR TWO-SIDED SURFACE SINGING AND LIFT IN ONE OPERATION
PCT/FR2010/050323 WO2010109103A1 (en) 2009-03-24 2010-02-25 Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment

Publications (2)

Publication Number Publication Date
EP2411166A1 EP2411166A1 (en) 2012-02-01
EP2411166B1 true EP2411166B1 (en) 2012-09-19

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EP10709907A Active EP2411166B1 (en) 2009-03-24 2010-02-25 Pressing equipment for trimming and flanging a single sheet metal edge in a single operation, and method using such equipment

Country Status (6)

Country Link
EP (1) EP2411166B1 (en)
CN (1) CN102361707B (en)
BR (1) BRPI1006745B1 (en)
ES (1) ES2390956T3 (en)
FR (1) FR2943563A1 (en)
WO (1) WO2010109103A1 (en)

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FR3006615A1 (en) * 2013-06-05 2014-12-12 Peugeot Citroen Automobiles Sa DEVICE AND METHOD FOR ADJUSTING THE PLAY BETWEEN A CUTTING, LOWERING, OR CALIBRATION BLADE AND A PUNCH OF A PRESS
FR3009691A1 (en) * 2013-08-14 2015-02-20 Peugeot Citroen Automobiles Sa TOOLING OF BINDING FOR SHAPING THE EDGE OF A TOLERIE PIECE AND METHOD OF IMPLEMENTING THE SAME
FR3009797A1 (en) * 2013-08-22 2015-02-27 Peugeot Citroen Automobiles Sa BOARD STACKING STATION IN WHICH A PIECE HAVING A SLOPE EDGE IS FORMED IN A STRIP
FR3009980A1 (en) * 2013-09-03 2015-03-06 Peugeot Citroen Automobiles Sa TOOLS FOR CUTTING AND FOLDING THE EDGE OF PIECES IN TOLE
FR3017552A1 (en) * 2014-02-17 2015-08-21 Peugeot Citroen Automobiles Sa PRESS TO BOTTLE A STEEL ROOF PIECE WITH A VERY HIGH ELASTIC LIMIT, SUCH AS A MOTOR VEHICLE BRANCARD
FR3052693A1 (en) * 2016-06-15 2017-12-22 Peugeot Citroen Automobiles Sa EVACUATION CONTROL OF MAGNETIC VENTOUSE CUTTING FALLS

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FR2976198B1 (en) * 2011-06-09 2013-07-05 Peugeot Citroen Automobiles Sa BINDING PRESS, IN PARTICULAR FOR THE BINDING OF TOLERIE PARTS OF MOTOR VEHICLES
FR2978686B1 (en) * 2011-08-03 2013-08-09 Peugeot Citroen Automobiles Sa CUTTING STRIP DEVICE AND CUTTING AND CUTTING PRESS HAVING SUCH A DEVICE.
FR2982513B1 (en) * 2011-11-15 2013-12-20 Peugeot Citroen Automobiles Sa DEVICE FOR STITCHING AND CALIBRATING A SHEET FOR A PRESS DURING
CN102513445B (en) * 2011-11-30 2015-02-04 长城汽车股份有限公司 Trimming and flanging composite stamping die
FR2989604B1 (en) * 2012-04-18 2014-11-21 Peugeot Citroen Automobiles Sa PACKING AND CUTTING PRESS OF SHEET PIECES, THIS PRESS COMPRISING A MOBILE BOTTOM FOR REACHING AN EDGE OF THESE PIECES.
FR2991205B1 (en) * 2012-06-01 2014-06-27 Peugeot Citroen Automobiles Sa TOOL FOR DETOURING A BANDED TOOL, HAVING A SWIVEL HOOK LOWERING WITH THE DETOURING BLADE.
FR3005590B1 (en) * 2013-05-14 2015-08-21 Peugeot Citroen Automobiles Sa EMBROIDERY PRESS EQUIPMENT WITH TIMED CUTTING BLADE
CN103949540B (en) * 2014-04-30 2016-01-13 宝钢发展有限公司 The integrated processing method of a kind of steel plate lid
CN103978099B (en) * 2014-04-30 2016-04-27 宝钢发展有限公司 The integrated process equipment of a kind of steel plate lid
FR3023737B1 (en) * 2014-07-16 2016-07-15 Peugeot Citroen Automobiles Sa PACKING PRESS INCLUDING A MOBILE CUTTING BLADE AND A LIFT BLADE, A GENERAL PRESSER AND AN INDEPENDENT PRESSER
FR3028193B1 (en) * 2014-11-06 2016-11-18 Peugeot Citroen Automobiles Sa DETOURING AND CUTTING TOOLS DETOURED
FR3033719B1 (en) 2015-03-19 2017-03-24 Peugeot Citroen Automobiles Sa TOOLING OF EMBROIDERY TRIMMING
ITUA20164545A1 (en) * 2016-06-21 2017-12-21 Sandro Mizzon UNIQUE SYSTEM FOR MOLDING OF EDGED METALLIC PRINTS
CN106955926A (en) * 2017-03-26 2017-07-18 亿森（上海）模具有限公司 A kind of aluminium sheet cutting-off controlling method of diel
CN108723239B (en) * 2017-04-18 2020-07-10 Ykk株式会社 Molding machine, method for molding metal material, and method for manufacturing stop claw member
CN107716675B (en) * 2017-11-06 2023-08-11 无锡先导智能装备股份有限公司 Edge folding assembly, bending device and bending method
CN108188253A (en) * 2017-12-28 2018-06-22 天津中嘉盛君精密机械有限公司 One kind is suitable for automobile board molded housing
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FR3006615A1 (en) * 2013-06-05 2014-12-12 Peugeot Citroen Automobiles Sa DEVICE AND METHOD FOR ADJUSTING THE PLAY BETWEEN A CUTTING, LOWERING, OR CALIBRATION BLADE AND A PUNCH OF A PRESS
FR3009691A1 (en) * 2013-08-14 2015-02-20 Peugeot Citroen Automobiles Sa TOOLING OF BINDING FOR SHAPING THE EDGE OF A TOLERIE PIECE AND METHOD OF IMPLEMENTING THE SAME
FR3009797A1 (en) * 2013-08-22 2015-02-27 Peugeot Citroen Automobiles Sa BOARD STACKING STATION IN WHICH A PIECE HAVING A SLOPE EDGE IS FORMED IN A STRIP
FR3009980A1 (en) * 2013-09-03 2015-03-06 Peugeot Citroen Automobiles Sa TOOLS FOR CUTTING AND FOLDING THE EDGE OF PIECES IN TOLE
FR3017552A1 (en) * 2014-02-17 2015-08-21 Peugeot Citroen Automobiles Sa PRESS TO BOTTLE A STEEL ROOF PIECE WITH A VERY HIGH ELASTIC LIMIT, SUCH AS A MOTOR VEHICLE BRANCARD
FR3052693A1 (en) * 2016-06-15 2017-12-22 Peugeot Citroen Automobiles Sa EVACUATION CONTROL OF MAGNETIC VENTOUSE CUTTING FALLS

Also Published As

Publication number Publication date
BRPI1006745B1 (en) 2020-04-07
FR2943563A1 (en) 2010-10-01
EP2411166A1 (en) 2012-02-01
CN102361707A (en) 2012-02-22
BRPI1006745A2 (en) 2018-02-27
CN102361707B (en) 2014-05-14
ES2390956T3 (en) 2012-11-20
WO2010109103A1 (en) 2010-09-30

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