EP3130412A1 - Stamping tool with loose guidance - Google Patents
Stamping tool with loose guidance Download PDFInfo
- Publication number
- EP3130412A1 EP3130412A1 EP16178255.2A EP16178255A EP3130412A1 EP 3130412 A1 EP3130412 A1 EP 3130412A1 EP 16178255 A EP16178255 A EP 16178255A EP 3130412 A1 EP3130412 A1 EP 3130412A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blank
- sub
- zone
- clamping
- die
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 19
- 239000011159 matrix material Substances 0.000 claims description 18
- 230000003247 decreasing effect Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009747 swallowing Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D24/04—Blank holders; Mounting means therefor
Definitions
- the invention relates to the field of forming sheet blank or stamped. More particularly, the invention relates to stamping tools.
- the figure 1 is a generic representation of a stamping tool 2 of a blank sheet 4, the tooling comprising a die 6 with a hollow central portion 8 and a peripheral portion 10, a punch 12 adapted to cooperate with the hollow portion 8 of the die in order to stamp the sheet blank.
- the tool also comprises a blank holder 14 disposed laterally to the punch and which cooperates with the peripheral portion of the die to form a retaining zone 16 of the sheet blank. It is known to manage the retention of the sheet blank by working on the clamping of the blank sheet at the blank holder, for example by the shape of the peripheral cut of the sheet blank so as to have a retaining surface of the blank of sheet metal that is adequate.
- the retaining surface of the sheet blank resists friction to its swallowing in the forming zone formed by the punch cooperating with the hollow portion of the die.
- the adequate retaining surface of the sheet blank allows a high quality stamping, it allows for example to avoid reductions in thickness or tears during stamping of the sheet blank.
- a cutting operation of the sheet blank preceding the stamping operation is expensive.
- the patent document WO 2012/045292 A1 discloses a stamping tool comprising a retaining zone formed by a matrix with a periphery portion, a punch and a blank holder cooperating with the portion at the periphery of the die as presented in connection with the figure 1 .
- the tooling comprises a clamping zone between the blank clamp and the peripheral portion of the die.
- the latter comprises, in addition, a movable element having curvatures and adapted to cooperate with the blank greenhouse to form a pre-stretching zone of the sheet blank at the mobile element and before the final forming of the blank sheet metal.
- This teaching is limited to the pre-stretching of the sheet blank before the shaping, it does not help the management of the swallowing of the blank during stamping.
- the object of the invention is to propose a solution to the disadvantages of the state of the art, in particular of the state of the art mentioned above. More particularly, the invention aim of proposing a solution making it easier to shape a sheet blank for economical manufacture.
- the invention relates to a tool for stamping a sheet blank, comprising a die with a hollow central portion and a peripheral portion; a punch adapted to cooperate with the hollow portion of the die in order to stamp the sheet blank; a blank holder disposed laterally to the punch and cooperating with the peripheral portion of the die to form a retaining zone of the sheet blank; remarkable in that the retaining zone of the sheet blank comprises a sub-zone for clamping said sheet blank and at least one non-clamping guiding sub-zone of said blank disposed outside the sub-zone of clamping relative to to the hollow portion and the punch.
- the sub-clamping zone is adjacent to the hollow portion and the punch, it extends over the entire periphery of the hollow portion and the punch.
- the or each of the guide sub-zones extending along the sub-clamping zone and is adjacent to said sub-zone.
- the or each of the guiding sub-zones is of an average height between the blank holder and the matrix of less than 4 times the thickness of the blank, preferably less than 3 times the thickness. of the blank, more preferably still less than 2 times the thickness of the blank.
- the or each of the guiding sub-zones comprises an outer part of generally regular height or of constant height and an inner part adjacent to the clamping sub-zone, said inner part being of decreasing height in approaching said sub-area.
- the constant height at the outer portion of the or each of the guiding sub-zones is equal to the thickness of the sheet blank plus a clearance of between 0.2 mm and 1 mm, preferably a clearance of between 0.3mm and 0.7mm.
- the inner part of the or each of the guiding sub-zones comprises surfaces opposite the matrix and the blank greenhouse inclined at an angle of less than 3 °, preferentially less than 1.5 °, more preferably still less than 1 °.
- the or each of the guiding sub-zones is delimited by a flat surface on the blank holder or on the matrix, the angle between the surfaces opposite the matrix and the blank greenhouse being made by an angled surface on the die or on the blank holder, respectively.
- the or each non-clamping guiding sub-zone extends along an average plane which is oriented in the extension of the mean plane along which the sub-zone of corresponding clamping or along an average plane which forms with said corresponding average plane an angle of less than 15 °, preferably less than 10 °, more preferably still less than 5 °.
- the outer part of the or each of the guiding sub-zones covers more than 100%, preferably more than 150%, more preferably still more than 200% of the corresponding inner part.
- the non-clamping guiding sub-zone is unique and extends over the entire periphery of the hollow portion of the die and the punch or is unique and extends over less than 70% of said periphery, preferably less than 60% of said periphery, more preferably still less than 40% of said periphery.
- the tooling comprises at least two guide sub-zones without clamping symmetrical with respect to an axis of symmetry of the hollow central portion of the die.
- the tooling is generally rectangular in shape and comprises one or more guiding sub-zones in one or more corners of the tooling.
- the stamping tool facilitates the forming of the sheet blank.
- the retaining zone of the sheet blank comprises a sub-clamping zone and one or more non-clamping sub-guiding zones.
- the extent of the non-clamping guiding sub-zone (s) makes it possible to manage the retaining of the sheet blank, a cutting operation of the sheet blank preceding the stamping is thus avoided which reduces the manufacturing cost of the stamping.
- the figure 1 is a sectional view of a stamping tool 2 of a blank sheet 4 according to the state of the art. Stamping equipment has been described in connection with the discussion of the state of the art.
- the Figures 2 and 3 illustrate a stamping tool according to the invention in a particular embodiment.
- the figure 4 illustrates a stamping tool according to the invention and in a second embodiment by way of example.
- the figure 5 illustrates a stamping tool according to the invention and in a third embodiment by way of example.
- the reference numbers of the figure 1 are used at Figures 2 to 5 for identical or corresponding elements, these numbers being however increased by 100 for the particular embodiment illustrated in FIGS. Figures 2 and 3 , of 200 for the second embodiment illustrated in FIG. figure 4 , and 300 for the third embodiment illustrated in FIG. figure 5 .
- the figure 2 is a sectional view of a stamping tool 102 of a sheet blank 104 according to the invention and in a particular embodiment.
- the sheet blank shown is usually plane and thick "e". This however does not limit the invention, the tool is also able to form a stamp.
- the tooling comprises a die 106, a punch 112 and a blank clamp 114.
- the die comprises a hollow central portion 108 and a peripheral portion 110.
- the punch 112 is able to cooperate with the hollow portion of the die in order to stamp the sheet blank.
- the blank holder is disposed laterally to the punch and cooperates with the peripheral portion of the die to form a retaining zone 116 and 116 'of the sheet blank.
- the retaining zone comprises a clamping sub-zone 118 of the sheet blank and one or more guiding sub-zones 120 and 120 'without clamping the sheet blank. It can be seen that the clamping sub-zone 118 is adjacent to the hollow portion 108 of the die.
- the sheet blank 104 disposed between the die 106 which is located in the lower part of the tooling we can also see the punch 112 and the blank holder 114 which are located in the upper part of the tooling.
- the matrix may be located in the upper part of the tool 102 and the punch in the lower part. It can be seen that the tool is in the clamping position of the sheet blank 104 between the blank holder 114 and the die 106 at the clamping sub-zone 118 of the peripheral portion 110 of the die 106.
- the sheet blank 104 is clear of the tool at the guiding sub-area 120 and 120 'of the peripheral portion of the die. It can also be observed on the peripheral portion of the matrix of the hollow portion that the guide sub-zone 120 '(left in the image) extends along an average plane "K" which is generally oriented in the extension of the mean plane along which the corresponding sub-zone 118 extends. It should be noted that the orientation of the guiding sub-zone directly in the extension of the clamping sub-zone does not limit the invention.
- the guide sub-zone 120 (on the right in the image) can extend along an average plane "J" which forms an angle " ⁇ " with the plan means along which extends the corresponding clamping sub-area 118 of less than 25 °.
- the angle " ⁇ " may be less than 10 °, preferably less than 5 °.
- the figure 3 is an enlarged sectional view of the tool 102 according to the invention illustrated with reference to the figure 2 and at the retaining zone 116 of the sheet blank 104.
- the peripheral portion 110 of the die 106, the sheet blank 104, and the blank clamp 114 cooperating with the die can be seen from the bottom in the image. the tightening of the sheet blank. From left to right (in the image) can be seen the hollow portion 108, the clamping sub-zone 118 at which the sheet blank is clamped between the die and the blank and the guide sub-zone 120 at the end. the level of which the sheet blank 104 is not tight between the die and the blank holder.
- the guiding sub-zone 120 may be of an average height between the blank holder and the matrix which is equal to less than 4 times the thickness of the sheet blank, preferably less than 3 times the thickness of the blank, plus preferably even less than 2 times the thickness of the blank.
- the guiding sub-zone comprises an outer part 122 which is of constant height "H” and an inner part 122 'adjacent to the clamping sub-zone 118 which is of height "H” decreasing when approaching the clamping subzone.
- the constant height "H" at the outer portion of the guiding sub-zone may be equal to the thickness of the sheet blank plus a clearance of between 0.2 mm and 1 mm, preferably a clearance of between 0.3 mm and 0 mm. 7mm.
- the decreasing height "H" at the inner portion 122 'of the guiding sub-zone can be achieved by an angle " ⁇ " between the matrix and the blank greenhouse of less than 5 °.
- the angle " ⁇ " may be less than 3 °, preferably less than 1 °. It can be observed that the guiding sub-zone 120 is delimited by a flat surface 124 on the matrix, the angle between the surfaces facing the matrix and allowing the decreasing height "H" on the inner part.
- 122 'of the guiding sub-zone 120 being formed by an angled surface on the blank holder 114.
- the architecture may be opposite in that the guiding sub-zone may be delimited by a flat surface on the blank clamp and the angle between the surfaces facing each other is then formed by an angulated surface on the die. It can be observed in this particular embodiment that the outer portion 122 at a constant height of the guiding sub-area covers more than 100%, preferably more than 150%, more preferably still more than 200% of the corresponding inner portion 122 '.
- the figure 4 is a top view in transparency of a stamping tool 202 in a second embodiment by way of example. It is possible to see in the center of the image the zone of shaping of the hollow portion 208 of the matrix 206 and of the punch 212. One can also see the retaining zone 216 comprising the clamping sub-zone 218 of the tooling at the periphery of the forming zone and the guiding sub-zone 220 outside the clamping subzone with respect to the hollow portion of the die and the punch.
- the matrix of the tooling comprises in this case a peripheral portion 210 which is asymmetrical. The latter extends more significantly on one side (bottom of the image) of the area to be shaped than on the other side (top of the image) of the area.
- the guide sub-zone 220 of the tooling is in this case a single guiding sub-zone which extends at the periphery of the hollow portion and the punch on less than 70% of said periphery.
- the single guiding sub-zone may extend over less than 60% of the said periphery, more preferably still less than 40%.
- the sheet blank 204 may be a stamped drop of any shape and it can be come, as here illustrated, achieve a stamped from the fall by locating the area to be shaped along one side of the chute, the guiding sub-zone 220 then being located on the other side of the chute so as to reduce the clamping surface on the side in question.
- the stamping tool may comprise a single guiding sub-zone which extends over the entire periphery of the hollow portion of the die and the punch.
- the figure 5 is a top view in transparency of a stamping tool 302 according to the invention and in a third embodiment by way of example of a stamp 304.
- the die 306 of the tooling comprises in this case a peripheral portion 310 which is symmetrical; an axis of symmetry "L" of said portion is represented on the image, the axis is also an axis of symmetry of the hollow portion and punch.
- the retaining zone 316 comprising the clamping sub-zone 318 of the tooling on the periphery of the shaping zone as well as two guiding sub-zones 320 and 320 'outside the sub-zone. clamping relative to the hollow portion of the die and the punch.
- These two subguiding zones are symmetrical with respect to the axis of symmetry "L".
- the tool 302 is in this case of generally rectangular shape and the guide sub-zones are located in 2 corners of the tooling.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
L'invitation consiste en un outillage d'emboutissage (102) d'un flan de tôle (104) comprenant : une matrice (106) avec une portion centrale creuse (108) et une portion périphérique (110) ; un poinçon (112) apte à coopérer avec la portion creuse de la matrice en vue d'emboutir le flan de tôle ; un serre-flan (114) disposé latéralement au poinçon et coopérant avec la portion périphérique de la matrice en vue de former une zone de retenue (116) du flan de tôle; la zone de retenue du flan de tôle comprend une sous-zone de serrage (118) dudit flan de tôle et au moins une sous-zone de guidage (120,120') sans serrage dudit flan disposée à l'extérieur de la sous-zone de serrage par rapport à la portion creuse et au poinçon.The invitation consists of a stamping tool (102) of a sheet blank (104) comprising: a die (106) with a hollow central portion (108) and a peripheral portion (110); a punch (112) adapted to cooperate with the hollow portion of the die for stamping the sheet blank; a blank holder (114) disposed laterally to the punch and cooperating with the peripheral portion of the die to form a retaining zone (116) of the sheet blank; the retaining zone of the sheet blank comprises a clamping sub-zone (118) of said sheet blank and at least one guiding sub-zone (120, 120 ') without clamping said blank disposed outside the sub-zone of tightening with respect to the hollow portion and the punch.
Description
L'invention a trait au domaine de la mise à forme de flan de tôle ou d'embouti. Plus particulièrement, l'invention a trait à un outillage d'emboutissage.The invention relates to the field of forming sheet blank or stamped. More particularly, the invention relates to stamping tools.
La
Le document de brevet
L'invention a pour objectif de proposer une solution aux désavantages de l'état de l'art en particulier de l'état de l'art susmentionné. Plus particulièrement, l'invention a pour objectif de proposer une solution permettant de faciliter la mise à forme d'un flan de tôle pour une fabrication économique.The object of the invention is to propose a solution to the disadvantages of the state of the art, in particular of the state of the art mentioned above. More particularly, the invention aim of proposing a solution making it easier to shape a sheet blank for economical manufacture.
L'invention a pour objet un outillage d'emboutissage d'un flan de tôle, comprenant une matrice avec une portion centrale creuse et une portion périphérique ; un poinçon apte à coopérer avec la portion creuse de la matrice en vue d'emboutir le flan de tôle ; un serre-flan disposé latéralement au poinçon et coopérant avec la portion périphérique de la matrice en vue de former une zone de retenue du flan de tôle; remarquable en ce que la zone de retenue du flan de tôle comprend une sous-zone de serrage dudit flan de tôle et au moins une sous-zone de guidage sans serrage dudit flan disposée à l'extérieur de la sous-zone de serrage par rapport à la portion creuse et au poinçon. La sous zone de serrage est adjacente à la portion creuse et au poinçon, elle s'étend sur l'entièreté de la périphérie de la portion creuse et du poinçon. La ou chacune des sous zones de guidage s'étendant le long de la sous zone de serrage et est adjacente à ladite sous-zone.The invention relates to a tool for stamping a sheet blank, comprising a die with a hollow central portion and a peripheral portion; a punch adapted to cooperate with the hollow portion of the die in order to stamp the sheet blank; a blank holder disposed laterally to the punch and cooperating with the peripheral portion of the die to form a retaining zone of the sheet blank; remarkable in that the retaining zone of the sheet blank comprises a sub-zone for clamping said sheet blank and at least one non-clamping guiding sub-zone of said blank disposed outside the sub-zone of clamping relative to to the hollow portion and the punch. The sub-clamping zone is adjacent to the hollow portion and the punch, it extends over the entire periphery of the hollow portion and the punch. The or each of the guide sub-zones extending along the sub-clamping zone and is adjacent to said sub-zone.
Selon un mode avantageux de l'invention, la ou chacune des sous zones de guidage est d'une hauteur moyenne entre le serre-flan et la matrice de moins de 4 fois l'épaisseur du flan, préférentiellement moins de 3 fois l'épaisseur du flan, plus préférentiellement encore moins de 2 fois l'épaisseur du flan.According to an advantageous embodiment of the invention, the or each of the guiding sub-zones is of an average height between the blank holder and the matrix of less than 4 times the thickness of the blank, preferably less than 3 times the thickness. of the blank, more preferably still less than 2 times the thickness of the blank.
Selon un mode avantageux de l'invention, la ou chacune des sous zones de guidage comprend une partie extérieure de hauteur généralement régulière ou de hauteur constante et une partie intérieure adjacente à la sous-zone de serrage, ladite partie intérieure étant de hauteur décroissante en se rapprochant de ladite sous-zone.According to an advantageous embodiment of the invention, the or each of the guiding sub-zones comprises an outer part of generally regular height or of constant height and an inner part adjacent to the clamping sub-zone, said inner part being of decreasing height in approaching said sub-area.
Selon un mode avantageux de l'invention, la hauteur constante au niveau de la partie extérieure de la ou de chacune des sous zones de guidage est égale à l'épaisseur du flan de tôle plus un jeu compris entre 0.2mm et 1 mm, préférentiellement un jeu compris entre 0,3mm et 0,7mm.According to an advantageous embodiment of the invention, the constant height at the outer portion of the or each of the guiding sub-zones is equal to the thickness of the sheet blank plus a clearance of between 0.2 mm and 1 mm, preferably a clearance of between 0.3mm and 0.7mm.
Selon un mode avantageux de l'invention, la partie intérieure de la ou de chacune des sous zones de guidage comprend des surfaces en vis-à-vis de la matrice et du serre flan inclinées d'un angle de moins de 3°, préférentiellement de moins de 1,5°, plus préférentiellement encore de moins de 1°.According to an advantageous embodiment of the invention, the inner part of the or each of the guiding sub-zones comprises surfaces opposite the matrix and the blank greenhouse inclined at an angle of less than 3 °, preferentially less than 1.5 °, more preferably still less than 1 °.
Selon un mode avantageux de l'invention, la ou chacune des sous-zone de guidage est délimitée par une surface plane sur le serre-flan ou sur la matrice, l'angle entre les surfaces en vis-à-vis de la matrice et du serre flan étant réalisé par une surface angulée sur la matrice ou sur le serre-flan, respectivement.According to an advantageous embodiment of the invention, the or each of the guiding sub-zones is delimited by a flat surface on the blank holder or on the matrix, the angle between the surfaces opposite the matrix and the blank greenhouse being made by an angled surface on the die or on the blank holder, respectively.
Selon un mode avantageux de l'invention, la ou chacune des sous-zones de guidage sans serrage s'étend le long d'un plan moyen qui est orienté dans le prolongement du plan moyen le long duquel s'étend la sous-zone de serrage correspondante ou le long d'un plan moyen qui forme avec ledit plan moyen correspondant un angle de moins de 15°, préférentiellement moins de 10°, plus préférentiellement encore moins de 5°.According to an advantageous embodiment of the invention, the or each non-clamping guiding sub-zone extends along an average plane which is oriented in the extension of the mean plane along which the sub-zone of corresponding clamping or along an average plane which forms with said corresponding average plane an angle of less than 15 °, preferably less than 10 °, more preferably still less than 5 °.
Selon un mode avantageux de l'invention, la partie extérieure de la ou de chacune des sous-zones de guidage couvre plus de 100%, préférentiellement plus de 150%, plus préférentiellement encore plus de 200% de la partie intérieure correspondante.According to an advantageous embodiment of the invention, the outer part of the or each of the guiding sub-zones covers more than 100%, preferably more than 150%, more preferably still more than 200% of the corresponding inner part.
Selon un mode avantageux de l'invention, la sous-zone de guidage sans serrage est unique et s'étend sur l'entièreté de la périphérie de la portion creuse de la matrice et du poinçon ou est unique et s'étend sur moins de 70% de ladite périphérie, préférentiellement sur moins de 60% de la ladite périphérie, plus préférentiellement encore sur moins de 40% de ladite périphérie.According to an advantageous embodiment of the invention, the non-clamping guiding sub-zone is unique and extends over the entire periphery of the hollow portion of the die and the punch or is unique and extends over less than 70% of said periphery, preferably less than 60% of said periphery, more preferably still less than 40% of said periphery.
Selon un mode avantageux de l'invention, l'outillage comprend au moins deux sous-zones de guidage sans serrage symétriques par rapport à un axe de symétrie de la portion centrale creuse de la matrice.According to an advantageous embodiment of the invention, the tooling comprises at least two guide sub-zones without clamping symmetrical with respect to an axis of symmetry of the hollow central portion of the die.
Selon un mode avantageux de l'invention, l'outillage est de forme générale rectangulaire et comprend une ou plusieurs sous zones de guidage dans un ou des angles de l'outillage.According to an advantageous embodiment of the invention, the tooling is generally rectangular in shape and comprises one or more guiding sub-zones in one or more corners of the tooling.
Les mesures de l'invention sont intéressantes en ce que l'outillage d'emboutissage facilite la mise à forme du flan de tôle. En effet, la zone de retenue du flan de tôle comprend une sous zone de serrage et une ou plusieurs sous zones de guidage sans serrage. L'étendue de la ou des sous zones de guidage sans serrage permet de gérer la retenue du flan de tôle, une opération de découpe du flan de tôle précédant l'emboutissage est ainsi évitée ce qui réduit le coût de fabrication de l'embouti.The measures of the invention are interesting in that the stamping tool facilitates the forming of the sheet blank. Indeed, the retaining zone of the sheet blank comprises a sub-clamping zone and one or more non-clamping sub-guiding zones. The extent of the non-clamping guiding sub-zone (s) makes it possible to manage the retaining of the sheet blank, a cutting operation of the sheet blank preceding the stamping is thus avoided which reduces the manufacturing cost of the stamping.
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 en coupe d'un outillage d'emboutissage d'un flan de tôle selon l'état de l'art ; - La
figure 2 est une vue en coupe d'un outillage d'emboutissage d'un flan de tôle conforme à l'invention et dans un mode particulier de réalisation ; - La
figure 3 est une vue agrandie de l'outillage d'emboutissage de lafigure 2 au niveau de la zone de retenue ; - La
figure 4 est une vue de dessus en transparence d'un outillage d'emboutissage conforme à l'invention et dans un deuxième mode de réalisation à titre d'exemple ; - La
figure 5 est une vue de dessus en transparence d'un outillage d'emboutissage conforme à l'invention et dans un troisième mode de réalisation à titre d'exemple ;
- The
figure 1 is a sectional view of a stamping tool of a sheet blank according to the state of the art; - The
figure 2 is a sectional view of a stamping tool of a sheet blank according to the invention and in a particular embodiment; - The
figure 3 is an enlarged view of the stamping tooling of thefigure 2 at the level of the holding area; - The
figure 4 is a top view in transparency of a stamping tool according to the invention and in a second embodiment by way of example; - The
figure 5 is a top view in transparency of a stamping tool according to the invention and in a third embodiment by way of example;
La
Les
La
La
Le deuxième mode de réalisation à titre d'exemple de l'invention va être décrit en référence à la
La
Le troisième mode de réalisation à titre d'exemple de l'invention va être décrit en référence à la
La
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1557718A FR3040010B1 (en) | 2015-08-13 | 2015-08-13 | TOOLING OF PADDING WITH GUIDING WITHOUT CLAMPING |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3130412A1 true EP3130412A1 (en) | 2017-02-15 |
EP3130412B1 EP3130412B1 (en) | 2021-04-07 |
Family
ID=54207585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16178255.2A Active EP3130412B1 (en) | 2015-08-13 | 2016-07-06 | Stamping tool with loose guidance |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3130412B1 (en) |
CN (1) | CN106424348B (en) |
ES (1) | ES2868780T3 (en) |
FR (1) | FR3040010B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113878018B (en) * | 2021-08-27 | 2023-09-29 | 东风汽车集团股份有限公司 | Lower die edge ring, drawing die, use method and drawing working procedure piece |
Citations (3)
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US4576030A (en) * | 1983-08-31 | 1986-03-18 | Wallace Expanding Machines, Inc. | Stretch form die |
DE102010048406A1 (en) * | 2010-08-09 | 2012-02-09 | Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh | Method and device for drawing sheet metal |
WO2012045292A1 (en) | 2010-10-04 | 2012-04-12 | Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh | Method and apparatus for drawing sheet-metal blanks |
Family Cites Families (7)
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CN1180899C (en) * | 2002-10-17 | 2004-12-22 | 江苏大学 | Weld joint movement control method in laser tailor-welded blank forming |
CN201279549Y (en) * | 2008-10-06 | 2009-07-29 | 广州普什精密模具有限公司 | Double-float drawing die for back seat-pan stamping piece of vehicle seat |
CN201399534Y (en) * | 2009-05-03 | 2010-02-10 | 魏永杰 | Stretching mould |
FR2983747B1 (en) * | 2011-12-08 | 2014-01-24 | Peugeot Citroen Automobiles Sa | DEVICE FOR CONTROLLING THE WORKING POSITION OF A FLANCH ON A SINGLE EFFECT STAMPING PRESS |
FR2991203B1 (en) * | 2012-06-01 | 2015-06-26 | Peugeot Citroen Automobiles Sa | PACKING PRESS OF SHEET PIECES WHICH THE PRESSER HAS ELASTOMERIC ELEMENTS. |
US10160024B2 (en) * | 2012-06-07 | 2018-12-25 | Toyo Seikan Group Holdings, Ltd. | Deep-drawing method and forming die therefor |
JP6075304B2 (en) * | 2013-03-28 | 2017-02-08 | 株式会社豊田中央研究所 | Hot press molding method and hot press molding apparatus |
-
2015
- 2015-08-13 FR FR1557718A patent/FR3040010B1/en not_active Expired - Fee Related
-
2016
- 2016-07-06 EP EP16178255.2A patent/EP3130412B1/en active Active
- 2016-07-06 ES ES16178255T patent/ES2868780T3/en active Active
- 2016-08-15 CN CN201610668660.6A patent/CN106424348B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4576030A (en) * | 1983-08-31 | 1986-03-18 | Wallace Expanding Machines, Inc. | Stretch form die |
DE102010048406A1 (en) * | 2010-08-09 | 2012-02-09 | Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh | Method and device for drawing sheet metal |
WO2012045292A1 (en) | 2010-10-04 | 2012-04-12 | Giw Gesellschaft Für Innovative Werkzeugsysteme Mbh | Method and apparatus for drawing sheet-metal blanks |
Also Published As
Publication number | Publication date |
---|---|
CN106424348A (en) | 2017-02-22 |
FR3040010A1 (en) | 2017-02-17 |
ES2868780T3 (en) | 2021-10-21 |
FR3040010B1 (en) | 2018-02-23 |
EP3130412B1 (en) | 2021-04-07 |
CN106424348B (en) | 2020-02-18 |
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