EP3100795A1 - Punch for forming by deep drawing an undercut edge of the deep drawn piece - Google Patents
Punch for forming by deep drawing an undercut edge of the deep drawn piece Download PDFInfo
- Publication number
- EP3100795A1 EP3100795A1 EP16170262.6A EP16170262A EP3100795A1 EP 3100795 A1 EP3100795 A1 EP 3100795A1 EP 16170262 A EP16170262 A EP 16170262A EP 3100795 A1 EP3100795 A1 EP 3100795A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stamping
- punch
- sliding
- frame
- pivotally mounted
- 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- Withdrawn
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Classifications
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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
- 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
- B21D19/082—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles
- B21D19/086—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles with rotary cams
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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
- 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
- B21D19/082—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles
- B21D19/084—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for making negative angles with linear cams, e.g. aerial cams
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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
- 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
Definitions
- the invention relates to the field of stamping tooling in particular stamped body of a motor vehicle. More particularly, the invention relates to a punch for forming an edge against pressed draft and stamping tooling.
- the figure 1 is a view of a body side 2 of a motor vehicle.
- the crate side in question is a stamp obtained by successive passes of forming by stamping. It comprises an upper portion 4 of elongated shape along its connection with the roof liner and with the window windshield of the vehicle. This upper portion is of a small size section relative to the total height of the body side. In particular, the upper portion is of a very narrow section along the bay window which improves the brightness inside the vehicle.
- the body side 2 further comprises, in particular at the front feet 5 and 5 'middle of the zones 6 comprising openings 8 for the passage of electrical harnesses, and door hinge fixing holes 10. The proximity of the zones 6 in question with the elongated upper portion 4 of the stamping lengthens the process of forming the stamping, and therefore the cost of manufacturing the stamping.
- the patent document EP 2 058 061 A1 discloses a tool for forming an edge against pressed draft.
- the tooling includes a lower tool and a top tool for moving closer to the lower tool for forming the press.
- the lower tool comprises a frame, a member pivotally mounted to the frame and having a first bearing surface for the stamping to form the undercut edge by means of a deflection blade.
- the lower tool also comprises an element mounted to move in translation on the pivoting element, said element comprising a second bearing surface for the stamping.
- the tool further comprises an actuator with a sliding element on the frame and cooperating with the pivoting element to pivot it.
- the member mounted to move in translation is movable by means of a slide comprising a sliding surface with the element in question, and comprising a cam opposite said surface.
- the upper tool comprises, finally, a counter cam adapted by vertical approximation of lower and upper tools to engage with the cam of the slider for moving said slider.
- the object of the invention is to propose a solution that overcomes at least one drawback of the state of the art, in particular of the state of the art mentioned above. More particularly, the object of the invention is to provide tooling for forming an edge against pressed draft, in particular of a motor vehicle body, which is of simple concept with a view to shaping the economic hit.
- the invention relates to a punch for stamping, in particular of a motor vehicle body, with a view to forming by stamping an undercut edge of the stamping, said punch comprising: a frame; an element pivotally mounted on the frame and including a first bearing surface for the stamping to form the undercut edge by means of a deflection blade; an element movably mounted in translation on the pivoting element and comprising a second bearing surface for the stamping; an actuator with a sliding element on the frame and cooperating with the pivoting element to pivot it; remarkable in that the sliding element of the actuator is configured to cooperate also with the member mounted to move in translation for its displacement.
- the sliding element comprises a sliding surface along the frame and a sliding surface against the pivotally mounted member and the member mounted to move in translation, the sliding surface being situated at a distance from opposite to the sliding surface and extending at least partially parallel to said surface.
- the pivotally mounted member and the member movably mounted in translation each comprise a contact surface with the sliding surface of the sliding element, each of said contact surfaces. being located opposite the first or second bearing surface for stamping, respectively.
- the sliding surface of the sliding element comprises, at one end, preferably opposite the actuator, a control portion, inclined with respect to the sliding direction of said element, intended to move the pivotally mounted member and the movably mounted member in translation, and a locking portion of said members.
- the pivotally mounted element comprises an insert located opposite the first bearing surface, said part forming the contact surface of said element adapted to cooperate with the control portion of the sliding surface of the sliding element.
- the insert located opposite the first bearing surface has a square profile.
- the contact surface of the member mounted to move in translation comprises a portion inclined with respect to the direction of translation of said member, adapted to cooperate with the control portion of the sliding surface of the sliding element.
- the pivotally mounted element comprises a sliding surface facing the first bearing surface, said surface being intended to receive a slide bearing the return blade.
- the subject of the invention is also a stamping forming tool, in particular of a motor vehicle body, comprising a punch for receiving the stamping, remarkable in that the punch is in accordance with the invention, the frame being a first frame, the tooling further comprising a second frame with a return blade, the latter being adapted to cooperate with the first bearing surface of the pivotally mounted element by bringing said first and second frame together.
- the tooling further comprises a slide bearing the return blade, said slide being able to slide on the sliding surface of the pivotally mounted element of the punch opposite the first bearing surface for the purpose of shaping the edge of the stamping.
- the subject of the invention is also a process for shaping an edge against pressed draft, particularly of a motor vehicle body, comprising the following steps: receiving the stamping on a punch for stamping; forming an edge against the draft of the pressed against a first bearing surface for stamping; remarkable in that the punch for stamping is in accordance with the invention, the method further comprising, after the step of receiving the stamping, the control of the actuator so as to bring the first and second surfaces of support in contact with the stamp; and after the shaping step, controlling the actuator so as to remove the first and second bearing surfaces from their contact with the stamping to be able to remove said stamp.
- the measures of the invention are interesting in that the tools for forming the edge against the draft of the stamping is of simple concept.
- the tool comprises a punch with two movable elements able to be in contact with the edge to be shaped, one of the elements being pivotable and the other movable in translation, the movement of these two elements being realized by engagement with a single control and locking element sliding in one direction using a linear actuator.
- the tooling makes it possible to integrate an additional tool for forming, for example a punching tool, with a view to reducing the number of press forming passes and making the press. more economical.
- the figure 1 is a view of a stamp 2 forming the side of the body of a motor vehicle. This view has been presented in connection with the discussion of the state of the art. One can see in particular the edge 4 of elongated and narrow shape along the bay window, which is an edge of the pressed formed against undercut.
- the figure 2 is a top view of a stamping tool 12 according to the invention and intended for forming against the draft edge 4 of the stamping 2.
- the tooling 12 comprises a punch 14 according to the invention 2.
- the punch 14 comprises a first frame 16 (shown symbolically in the image) and a pivotally mounted member 18 on the first frame 16 and with a first bearing surface 20 for the stamp 2.
- first frame 16 also comprises a member mounted to move in translation 22 on the pivotally mounted member 18 and comprising a second bearing surface 24 for the stamping 2.
- the bearing surfaces 20 and 24 are not visible in the image since they are behind the stamp 2.
- the first frame 16 finally comprises an actuator 26 with a sliding element 28.
- the actuator 26 is in this case a hydraulic cylinder with a control arm connected to the sliding member 28
- the sliding element 28 is a cam having functions locking as well as control.
- the explanation of the structural characteristics of the tooling 12 allowing these locking and control functions is described in detail in relation to the Figures 3 to 5 .
- the sliding element 28 is made by two sliding pads 29 and 29 '.
- the two pads of the sliding element 28 are sliding on the first frame 16 and cooperate with the pivoting member 18 for pivoting, and they also cooperate with the movably mounted member 22 for translation.
- An opening 8 and apertures 10 such as those presented in connection with the figure 1 and located on the front foot 5 of the body side.
- the process of forming the edge against the draft 4 of the stamp 2 according to the invention comprises the step a) receiving the stamp 2 on the punch 14; then step b) control of the hydraulic cylinder 26 so as to bring the first and second bearing surface 20 and 24 in contact with the stamp 2; then step c) shaped against the draft edge 4 of the stamping 2 against the first bearing surface 20 for the stamping 2; and finally step d) controlling the cylinder 26 so as to remove the first and second bearing surface 20 and 24 from their contact with the stamp 2 to be able to remove said stamp.
- Steps b), c) and d) of the process are illustrated in relation to the Figures 3 to 5 following.
- the tooling comprises a second frame with a return blade for forming the edge of the stamping.
- the second frame is not shown, however, so as not to overload the image.
- the figure 3 is a sectional view of the forming tool 12 according to the invention and illustrating step c) of shaping the process.
- Punch 14 of the tooling introduced in connection with the figure 2 , one can see the first frame 16 with the cam 28 connected to the jack 26 and slidably mounted on the first frame 16.
- the tool 12 further comprises a second frame 30 , in this case the upper frame, with a slider 32 comprising a return blade 34.
- the slider 32 is slidable on a sliding surface 36 of the pivotally mounted element 18, the surface 36 is located opposite the first support surface 20.
- the c) shaping step is carried out by bringing the first and second frames 16 and 30 closer together.
- step c) of shaping the process and including the final assembly approach phase is here illustrated, the slide 32 carrying the return blade 34 takes support and slide on the sliding surface 36 of the pivoting member 18.
- the return blade 34 thus cooperates with the first bearing surface 20 of the pivotally mounted member 18; the return blade 34 presses, in this case, the edge 4 of the stamping 2 against the first bearing surface 20 to shape the edge in question against undercutting.
- the pivotally mounted element 18 comprises a first contact surface 38 with the cam 28 connected to the cylinder 26.
- the movable element 22 in translation comprises a second contact surface 40 with the cam connected to the jack.
- the first and second contact surfaces 38 and 40 in question cooperate with the cam 28 for locking.
- the cam 28 comprises a sliding surface 42 along the frame 16, it also comprises a sliding surface 44 situated opposite the sliding surface and a portion 46 of which is parallel to the sliding surface 42.
- This parallel portion 46 of the sliding surface 44 of the cam 28 is that against which correspondingly shaped portions of the first and second contact surfaces 38 and 40 are supported during the shaping. This measurement is interesting to maintain still the bearing surfaces 20 and 24 of the edge 4 of the stamping 2 during the shaping.
- step d) of the process subsequent to the shaping and in two successive phases according to the invention before being able to remove the stamping of the tooling.
- the figure 4 is a sectional view of the forming punch 14 according to the invention.
- the punch 14 is illustrated in an initial phase of step d) of the process according to the invention after forming.
- This initial phase of step d) of the method corresponds to the control of the jack 26 to remove the second bearing surface 24 of the movable member 22 in translation from its contact with the edge 4 of the stamping 2 in order to free a space for pivoting of the pivoting member 18.
- the sliding surface 44 of the cam 28 connected to the jack 26 and which we have already presented the parallel portion 46 further comprises a control portion 48 inclined relative to the "K" direction of sliding of the cam. This inclined portion 48 is intended to move the pivotally mounted member 18 and the movably mounted member 22 in translation.
- This portion 48 is located at one end of the cam 28, in this case opposite the jack 26 and is adapted to cooperate with a correspondingly shaped portion of the second contact surface 40.
- the contact surface 40 of the member mounted movable in translation 22 comprises indeed an inclined portion 40 'with respect to the translation direction "L" of said element, portion whose surface is that corresponding and adapted to cooperate with the control portion 48 of the sliding surface 44 of the cam.
- the figure 5 is a sectional view of the forming punch 14 according to the invention.
- the punch 14 is illustrated in a subsequent phase of step d) of the process according to the invention after forming.
- This subsequent phase of step d) precedes the removal of the stamp 2 from the punch 14.
- This subsequent phase corresponds to the control of the jack 26 to remove the first bearing surface 20 from the pivotally mounted member 18 of its contact with the edge 4 of the stamping 2. This withdrawal is done by return of the arm of the jack and pivoting of the element 18 relative to the frame 16.
- the control portion 48 of the sliding surface 44 of the cam 28 is in contact with the first contact surface 38, that of the pivotally mounted element 18.
- the contact between the contact surface 38 in question and the inclined portion 48 of the cam 28 is in this case made at an angle 50 of this contact surface 38 which has a general shape of square.
- the angular contact surface 38 of the pivotally mounted member 18 is formed by an insert 52 on the pivotally mounted member 18 opposite the first surface of the support 20.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
L'invitation consiste en un poinçon (14) pour embouti (2), notamment de carrosserie de véhicule automobile, en vue de la mise à forme par emboutissage d'un bord en contre-dépouille (4) de l'embouti, ledit poinçon comprenant : un bâti (16) ; un élément monté pivotant (18) sur le bâti et comprenant une première surface d'appui (20) pour l'embouti (2) en vue de former le bord en contre-dépouille (4) au moyen d'une lame de renvoi (34) ; un élément monté mobile en translation (22) sur l'élément pivotant (18) et comprenant une deuxième surface d'appui (24) pour l'embouti (2) ; un actionneur (26) avec un élément coulissant (28) sur le bâti et coopérant avec l'élément pivotant en vue de son pivotement ainsi qu'avec l'élément monté mobile en translation en vue de son déplacement.The invitation consists of a punch (14) for stamping (2), in particular of a motor vehicle body, with a view to forming by stamping an undercut edge (4) of the stamping, said punch comprising: a frame (16); a pivotally mounted member (18) on the frame and including a first pressing surface (20) for the stamping (2) to form the undercut edge (4) by means of a deflection blade ( 34); a member mounted movable in translation (22) on the pivoting member (18) and comprising a second bearing surface (24) for the stamping (2); an actuator (26) with a sliding element (28) on the frame and cooperating with the pivoting member for pivoting and with the member movable in translation for its displacement.
Description
L'invention a trait au domaine de l'outillage d'emboutissage notamment d'embouti de carrosserie de véhicule automobile. Plus particulièrement, l'invention a trait à un poinçon de mise à forme d'un bord en contre dépouille d'embouti et à un outillage d'emboutissage.The invention relates to the field of stamping tooling in particular stamped body of a motor vehicle. More particularly, the invention relates to a punch for forming an edge against pressed draft and stamping tooling.
La
Le document de brevet
L'invention a pour objectif de proposer une solution palliant au moins un inconvénient de l'état de l'art, en particulier de l'état de l'art susmentionné. Plus particulièrement, l'invention a pour objectif de proposer un outillage de mise à forme d'un bord en contre dépouille d'embouti, notamment de carrosserie de véhicule automobile, qui soit de concept simple en vue d'une mise à forme de l'embouti économique.The object of the invention is to propose a solution that overcomes at least one drawback of the state of the art, in particular of the state of the art mentioned above. More particularly, the object of the invention is to provide tooling for forming an edge against pressed draft, in particular of a motor vehicle body, which is of simple concept with a view to shaping the economic hit.
L'invention a pour objet un poinçon pour embouti, notamment de carrosserie de véhicule automobile, en vue de la mise à forme par emboutissage d'un bord en contre-dépouille de l'embouti, ledit poinçon comprenant : un bâti ; un élément monté pivotant sur le bâti et comprenant une première surface d'appui pour l'embouti en vue de former le bord en contre-dépouille au moyen d'une lame de renvoi ; un élément monté mobile en translation sur l'élément pivotant et comprenant une deuxième surface d'appui pour l'embouti ; un actionneur avec un élément coulissant sur le bâti et coopérant avec l'élément pivotant en vue de son pivotement ; remarquable en ce que l'élément coulissant de l'actionneur est configuré pour coopérer également avec l'élément monté mobile en translation en vue de son déplacement.The invention relates to a punch for stamping, in particular of a motor vehicle body, with a view to forming by stamping an undercut edge of the stamping, said punch comprising: a frame; an element pivotally mounted on the frame and including a first bearing surface for the stamping to form the undercut edge by means of a deflection blade; an element movably mounted in translation on the pivoting element and comprising a second bearing surface for the stamping; an actuator with a sliding element on the frame and cooperating with the pivoting element to pivot it; remarkable in that the sliding element of the actuator is configured to cooperate also with the member mounted to move in translation for its displacement.
Selon un mode avantageux de l'invention, l'élément coulissant comprend une surface de coulissement le long du bâti et une surface de glissement contre l'élément monté pivotant et l'élément monté mobile en translation, la surface de glissement étant située à l'opposé de la surface de coulissement et s'étendant au moins partiellement parallèlement à ladite surface.According to an advantageous embodiment of the invention, the sliding element comprises a sliding surface along the frame and a sliding surface against the pivotally mounted member and the member mounted to move in translation, the sliding surface being situated at a distance from opposite to the sliding surface and extending at least partially parallel to said surface.
Selon un mode avantageux de l'invention, l'élément monté pivotant et l'élément monté mobile en translation comprennent, chacun, une surface de contact avec la surface de glissement de l'élément coulissant, chacune desdites surfaces de contact étant située à l'opposé de la première ou de la deuxième surface d'appui pour l'embouti, respectivement.According to an advantageous embodiment of the invention, the pivotally mounted member and the member movably mounted in translation each comprise a contact surface with the sliding surface of the sliding element, each of said contact surfaces. being located opposite the first or second bearing surface for stamping, respectively.
Selon un mode avantageux de l'invention, la surface de glissement de l'élément coulissant comprend, à une extrémité, préférentiellement à l'opposé de l'actionneur, une portion de commande, inclinée par rapport à la direction de coulissement dudit élément, destinée à déplacer l'élément monté pivotant et l'élément monté mobile en translation, et une portion de verrouillage desdits éléments.According to an advantageous embodiment of the invention, the sliding surface of the sliding element comprises, at one end, preferably opposite the actuator, a control portion, inclined with respect to the sliding direction of said element, intended to move the pivotally mounted member and the movably mounted member in translation, and a locking portion of said members.
Selon un mode avantageux de l'invention, l'élément monté pivotant comprend une pièce rapportée située à l'opposé de la première surface d'appui, ladite pièce formant la surface de contact dudit élément apte à coopérer avec la portion de commande de la surface de glissement de l'élément coulissant.According to an advantageous embodiment of the invention, the pivotally mounted element comprises an insert located opposite the first bearing surface, said part forming the contact surface of said element adapted to cooperate with the control portion of the sliding surface of the sliding element.
Selon un mode avantageux de l'invention, la pièce rapportée située à l'opposé de la première surface d'appui présente un profil en forme d'équerre.According to an advantageous embodiment of the invention, the insert located opposite the first bearing surface has a square profile.
Selon un mode avantageux de l'invention, la surface de contact de l'élément monté mobile en translation comprend une portion inclinée par rapport à la direction de translation dudit élément, apte à coopérer avec la portion de commande de la surface de glissement de l'élément coulissant.According to an advantageous embodiment of the invention, the contact surface of the member mounted to move in translation comprises a portion inclined with respect to the direction of translation of said member, adapted to cooperate with the control portion of the sliding surface of the sliding element.
Selon un mode avantageux de l'invention, l'élément monté pivotant comprend une surface de coulissement en face de la première surface d'appui, ladite surface étant destinée à recevoir un coulisseau portant la lame de renvoi.According to an advantageous embodiment of the invention, the pivotally mounted element comprises a sliding surface facing the first bearing surface, said surface being intended to receive a slide bearing the return blade.
L'invention a également pour objet un outillage de mise à forme d'embouti, notamment de carrosserie de véhicule automobile, comprenant un poinçon pour recevoir l'embouti, remarquable en ce que le poinçon est conforme à l'invention, le bâti étant un premier bâti, l'outillage comprenant, en outre, un deuxième bâti avec une lame de renvoi, cette dernière étant apte à coopérer avec la première surface d'appui de l'élément monté pivotant par rapprochement entre lesdits premier et deuxième bâti.The subject of the invention is also a stamping forming tool, in particular of a motor vehicle body, comprising a punch for receiving the stamping, remarkable in that the punch is in accordance with the invention, the frame being a first frame, the tooling further comprising a second frame with a return blade, the latter being adapted to cooperate with the first bearing surface of the pivotally mounted element by bringing said first and second frame together.
Selon un mode avantageux de l'invention, l'outillage comprend, en outre, un coulisseau portant la lame de renvoi, ledit coulisseau étant apte à coulisser sur la surface de coulissement de l'élément monté pivotant du poinçon en face de la première surface d'appui en vue de la mise à forme du bord de l'embouti.According to an advantageous embodiment of the invention, the tooling further comprises a slide bearing the return blade, said slide being able to slide on the sliding surface of the pivotally mounted element of the punch opposite the first bearing surface for the purpose of shaping the edge of the stamping.
L'invention a également pour objet un procédé de mise à forme d'un bord en contre dépouille d'embouti, notamment de carrosserie de véhicule automobile, comprenant les étapes suivantes : réception de l'embouti sur un poinçon pour embouti ; mise à forme d'un bord en contre dépouille de l'embouti contre une première surface d'appui pour l'embouti ; remarquable en ce que le poinçon pour embouti est conforme à l'invention, le procédé comprenant, en outre, après l'étape de réception de l'embouti, la commande de l'actionneur de manière à amener les première et deuxième surface d'appui en contact avec l'embouti ; et après l'étape de mise à forme, la commande de l'actionneur de manière à retirer les première et deuxième surface d'appui de leur contact avec l'embouti en vue de pouvoir enlever ledit embouti.The subject of the invention is also a process for shaping an edge against pressed draft, particularly of a motor vehicle body, comprising the following steps: receiving the stamping on a punch for stamping; forming an edge against the draft of the pressed against a first bearing surface for stamping; remarkable in that the punch for stamping is in accordance with the invention, the method further comprising, after the step of receiving the stamping, the control of the actuator so as to bring the first and second surfaces of support in contact with the stamp; and after the shaping step, controlling the actuator so as to remove the first and second bearing surfaces from their contact with the stamping to be able to remove said stamp.
Les mesures de l'invention sont intéressantes en ce que l'outillage de mise à forme du bord en contre dépouille de l'embouti est de concept simple. En effet, l'outillage comprend un poinçon avec deux éléments mobiles apte à être en contact avec le bord à mettre à forme, l'un des éléments étant pivotant et l'autre mobile en translation, le mouvement de ces deux éléments étant réalisé par engagement avec un élément de commande et de verrouillage simple coulissant dans une direction à l'aide d'un actionneur linéaire. L'outillage rend envisageable l'intégration d'un outil supplémentaire de mise à forme, par exemple un outil de poinçonnage, en vue d'une réduction du nombre de passes de mise à forme de l'embouti et une fabrication de l'embouti plus économique.The measures of the invention are interesting in that the tools for forming the edge against the draft of the stamping is of simple concept. Indeed, the tool comprises a punch with two movable elements able to be in contact with the edge to be shaped, one of the elements being pivotable and the other movable in translation, the movement of these two elements being realized by engagement with a single control and locking element sliding in one direction using a linear actuator. The tooling makes it possible to integrate an additional tool for forming, for example a punching tool, with a view to reducing the number of press forming passes and making the press. more economical.
D'autres caractéristiques et avantages de la présente invention seront mieux compris à l'aide de la description et des dessins parmi lesquels :
- La
figure 1 est une vue d'un embouti de côté de caisse de véhicule automobile ; - La
figure 2 est une vue de dessus d'un outillage de mise à forme de l'embouti de lafigure 1 conforme à l'invention ; - La
figure 3 est une vue en coupe de l'outillage de lafigure 2 dans une étape de mise à forme de l'embouti du procédé de mise à forme conforme à l'invention ; - La
figure 4 est une vue en coupe du poinçon de l'outillage de lafigure 2 dans une phase initiale d'une étape du procédé suivant l'étape de mise à forme ; - La
figure 5 est une vue en coupe du poinçon de l'outillage de lafigure 2 dans une phase du procédé ultérieure à la phase illustrée à lafigure 4 ;
- The
figure 1 is a view of a stamped side of a motor vehicle body; - The
figure 2 is a top view of a stamping tooling of the stamping of thefigure 1 according to the invention; - The
figure 3 is a sectional view of the tooling of thefigure 2 in a step of shaping the stamping of the forming process according to the invention; - The
figure 4 is a sectional view of the punch of the tooling of thefigure 2 in an initial phase of a step of the process following the shaping step; - The
figure 5 is a sectional view of the punch of the tooling of thefigure 2 in a phase of the process subsequent to the phase illustrated infigure 4 ;
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Claims (10)
caractérisé en ce que le poinçon (14) est selon l'une des revendications 1 à 7, et en ce que le procédé comprend, en outre,
characterized in that the punch (14) is according to one of claims 1 to 7, and in that the method further comprises
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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FR1555044A FR3036987B1 (en) | 2015-06-03 | 2015-06-03 | SHAFT PUNCH BY EMBOSSING AN EDGE INTO A BOTTOM STRIP. |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3100795A1 true EP3100795A1 (en) | 2016-12-07 |
Family
ID=54015001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16170262.6A Withdrawn EP3100795A1 (en) | 2015-06-03 | 2016-05-19 | Punch for forming by deep drawing an undercut edge of the deep drawn piece |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3100795A1 (en) |
FR (1) | FR3036987B1 (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1044739A2 (en) * | 1999-04-15 | 2000-10-18 | Umix Co., Ltd. | Negative angular forming dies and pressing apparatus thereof |
US20080098792A1 (en) * | 2006-10-27 | 2008-05-01 | Nieschulz Daniel F | Wedge activated rotating filler cam |
EP2058061A1 (en) | 2007-11-06 | 2009-05-13 | Yourbusiness Co., Ltd. | Negative-angle press-working die |
EP2801417A1 (en) * | 2012-01-04 | 2014-11-12 | Lubo Industries. Inc | Relief forming apparatus |
-
2015
- 2015-06-03 FR FR1555044A patent/FR3036987B1/en active Active
-
2016
- 2016-05-19 EP EP16170262.6A patent/EP3100795A1/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1044739A2 (en) * | 1999-04-15 | 2000-10-18 | Umix Co., Ltd. | Negative angular forming dies and pressing apparatus thereof |
US20080098792A1 (en) * | 2006-10-27 | 2008-05-01 | Nieschulz Daniel F | Wedge activated rotating filler cam |
EP2058061A1 (en) | 2007-11-06 | 2009-05-13 | Yourbusiness Co., Ltd. | Negative-angle press-working die |
EP2801417A1 (en) * | 2012-01-04 | 2014-11-12 | Lubo Industries. Inc | Relief forming apparatus |
Also Published As
Publication number | Publication date |
---|---|
FR3036987B1 (en) | 2017-12-22 |
FR3036987A1 (en) | 2016-12-09 |
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