EP1285704B1 - Dispositif pour le débosselage d' une tôle métallique - Google Patents

Dispositif pour le débosselage d' une tôle métallique Download PDF

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Publication number
EP1285704B1
EP1285704B1 EP02017449A EP02017449A EP1285704B1 EP 1285704 B1 EP1285704 B1 EP 1285704B1 EP 02017449 A EP02017449 A EP 02017449A EP 02017449 A EP02017449 A EP 02017449A EP 1285704 B1 EP1285704 B1 EP 1285704B1
Authority
EP
European Patent Office
Prior art keywords
holder
supporting element
sheet metal
support
receptacle
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.)
Expired - Lifetime
Application number
EP02017449A
Other languages
German (de)
English (en)
Other versions
EP1285704A1 (fr
Inventor
Olaf Ritter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Adolf Wuerth GmbH and Co KG
Original Assignee
Adolf Wuerth GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Adolf Wuerth GmbH and Co KG filed Critical Adolf Wuerth GmbH and Co KG
Publication of EP1285704A1 publication Critical patent/EP1285704A1/fr
Application granted granted Critical
Publication of EP1285704B1 publication Critical patent/EP1285704B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/06—Removing local distortions

Definitions

  • the invention relates to a device for the buckling of sheet metal according to the preamble of patent claim 1.
  • the invention is based on the object to provide a device for the buckling of sheet metal, which gives good results even with more complicated progressions of the sheet metal parts in which the bumps are present.
  • the invention proposes a device with the features mentioned in claim 1. Further developments of the invention are the subject of dependent claims.
  • the point at which the holder is supported on the sheet regardless of the shape of the sheet metal surface can be selected. It is therefore possible to bring the support elements also relatively close to the point to be machined, even if there is a more complicated course of the sheet surface. By bringing the support points close to the point of the sheet to be machined, care can be taken that only the part that forms the bulge is pulled out.
  • the adjustability can for example be realized so that the support element can be mounted in discrete individual positions on the holder. But it is particularly advantageous if the attachment is such that the support element is infinitely adjustable.
  • the stepless adjustability can be designed so that the support element adapts itself in its position to the shape of the sheet metal surface. This can be achieved so that the adjustment is smooth, so that the appropriate adjustment can be done by itself. At the ease of doing so are not too great demands, since when pulling out of the bulge relatively large forces occur, which affect the support elements as pressure forces.
  • the different positions of the at least one support element differ in their angular position about an axis. This would correspond to a stepless adjustment of a pivoting of the support element about an axis.
  • the invention provides that at least one support element is also removably attached to the holder.
  • the removability serves not only to replace a possibly damaged support element, but also to replace a support element against another support element, for example, has a different shape or size.
  • the attachment is designed such that it is pressure-resistant.
  • a stepless adjustability can be inventively provided that the adjustability is limited, so that the support elements can not assume a position that complicates handling of the device when placed on the plate.
  • the mounting option for example, look so that the support member has a receptacle for a counter-element of the holder.
  • this counter-element may be, for example, a shaft which is attached to the holder and forms an axis for the adjustability of the support element.
  • a rod is attached, which runs approximately parallel to the pulling direction of the tension member and the free end is provided with an element which can cooperate with the recording of the support element.
  • the free end of this rod a transverse pin.
  • a support element also has a plurality of receptacles. If the support element is pivotable about a fixed axis of the holder, this can serve for better support, in particular for large-area support elements.
  • a plurality of receptacles are arranged on a plate, wherein the plate can then be divided by the end user so that support elements, each with a receptacle arise. The user can therefore form his own support element itself within certain limits.
  • At least one support element is deformable in the region of its side associated with the sheet metal.
  • Such deformability of the support element in itself can be achieved, for example, that the support element consists of plastic. It It is also possible, not only in the case of plastic support elements, to form the support element in one piece with the receptacle.
  • the support element is divided in itself, that forms with a recording of several feet.
  • the recording of the support element is adjustably mounted on the support element.
  • the adjustment direction can extend transversely to the pulling direction of the tension element.
  • a device for removing bumps from sheet metal contains a holder 1, which in the simplified representation of FIG. 1 is not explained in detail.
  • a tension element 2 is mounted axially displaceable.
  • the tension member 2 is made of metal and can thereby be connected to a bulge 3 in a piece of sheet metal, that it is welded to the sheet.
  • the holder 1 contains a total of four, for example made of sheet metal legs 4, wherein in each case a pair of legs 4 is connected by a pin 5.
  • a support member 6 is mounted, with the help of the right in FIG. 1 to see staple 7.
  • the bracket 7 is screwed by means of a screw 8 to the recording.
  • the bracket 7 practically forms the receptacle of the support element 6 for a counter element of the holder 1, namely in the example shown, the pin 5.
  • the support member 6 is pivotable by attachment to the pin 5 about its axis. The pivotability is limited by the shape of the ends of the legs 4.
  • the ends of the legs 4 extend in the central region along a circular arc 9, which laterally merges into a tangent 10.
  • the ends of the legs 4 lie with the arcuate portion 9 in the neutral position of the support elements 6 directly on the top of the support elements 6. As a result, a direct pressure transfer can take place without the involvement of the recording. This contact between the surface of the support elements 6 and the free end of the legs 4 is maintained in all possible angular positions of the support elements 6.
  • FIG. 2 shows a section along line II-II in FIG. 1 ,
  • the support elements 6 have the shape of elongated plates whose mutually facing inner edges are cut out arcuately. This is to take into account the fact that the bumps in supervision are usually circular.
  • the brackets 7, of which each support member 6 has two, are arranged so as to engage adjacent to the legs 4 on the pin 5. As a result, a displacement of the support elements 6 in the direction of the pin 5 is practically excluded. It is possible to detach the support elements 6 by pulling from the pin 5 and to attach them in the reverse position, so that the arcuate cutouts 12 come to rest outwards. In this case, the support could be brought closer to the bulge zoom.
  • FIG. 3 shows an extreme example, in which positions the support elements 6 can be brought to a specific shape of the surface of the sheet to be machined. Due to the adjustment of the support elements 6 can be taken to ensure that they do not themselves produce bumps or kinks again.
  • the sheet to be machined is at least partially flat. This is also true in many cases.
  • a support element 16 which in turn is at least partially deformable. This is in FIG. 4 shown.
  • the support element 16 is slightly wider in relation to the support elements 6 of the previous embodiments.
  • the attachment to the pin 5 is done again with the help of the already mentioned bracket 7.
  • the support member 16 adapts to the shape of the sheet to be machined. It is also conceivable to use a support element which has a rigid shape which is adapted to the shape of the sheet to be machined. However, this would mean support elements only for certain points of a certain type of motor vehicle.
  • FIG. 5 shows a way to make a support member 26 entirely made of plastic, wherein the receptacle 27 for receiving the pin 5 is integrally made of plastic.
  • the inner shape of the receptacle 27 corresponds to the shape as used by the clip 7.
  • the opening provided with chamfers 28 openings 29 are arranged in the outer side of the two limbs delimiting the opening, which lead to a material weakening. As a result, the spreading is facilitated.
  • FIG. 6 shows another support member 36 which is divided in itself and thus forms two Abstützfgnae 37, which rest against the top of the sheet to be machined.
  • two support elements are present, which are connected to each other and have a common receptacle for the pin 5.
  • Support member 36 molded plastic and has integrally the receptacle 27 for the pin 5.
  • the receptacle is designed in the same way as in FIG. 5 so that it will not be described again.
  • the support legs 37 are connected via relatively narrow webs 38 with the receptacle for the shaft 5. This creates at this point, namely the webs 38, a kind of hinge, which is realized by a deformation of the material of the support member 36. This gives a further improved adaptation to complicated shapes of the sheet metal surfaces and a good distribution of the forces occurring.
  • FIG. 7 a way to attach the bracket 7 to the receptacle 6, that here is another adjustment is given.
  • a slot 38 is present, which extends transversely to the longitudinal direction of the pin 5.
  • the measured perpendicular to paper plane width of the slot 38 corresponds to the outer diameter of the screw 8, which is guided in this case from bottom to top and with a nut 39 cooperates.
  • the screw 8 can be moved in the slot 38, thereby displacing the support member 6 relative to the pin 5 laterally. It becomes possible to move the support elements 6 closer to the point of the sheet to be machined, or even further from this point, depending on the shape and size of the bulge to be pulled out.
  • FIG. 8 shows a way in which a receptacle on a support element in several positions with the pin 5 of the holder can be connected.
  • the receptacle on three adjacent incisions 27, which are constructed approximately as the notches 27 in the embodiment according to FIG. 5 and 6 are constructed approximately as the notches 27 in the embodiment according to FIG. 5 and 6 .
  • the support member 6 can be adjusted transversely to the pulling direction, in three stages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Forging (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Claims (12)

  1. Dispositif destiné à débosseler de la tôle, comprenant
    1.1 un support (1),
    1.2 un élément de traction (2) qui
    1.2.1 est logé sur le support (1),
    1.2.2 est exécuté de manière déplaçable au moins linéairement par rapport à ce support et
    1.2.3 est raccordable, de manière résistante aux tractions, à l'endroit de la tôle à traiter,
    et comprenant
    1.3 au moins deux éléments de support (6, 16, 26, 36), éventuellement raccordables entre eux, qui
    1.3.1 soutiennent le support (1) par rapport à la tôle,
    1.3.2 au moins un élément de support (6, 16, 26, 36) étant placé de manière interchangeable entre plusieurs positions différentes sur le support (1)
    caractérisé en ce que
    1.4 l'élément de support (6, 16, 26, 36) présente une encoche pour un arbre posé sur le support (1), et est encliquetable à l'arbre, et
    1.5 en ce que les différentes positions de l'élément de support (6, 16, 26, 36) se distinguent les unes des autres par l'angle qu'elles forment avec l'arbre.
  2. Dispositif selon la revendication 1, dans lequel l'élément de support (6, 16, 26, 36) est réglable en continu.
  3. Dispositif selon la revendication 1 ou 2, dans lequel les différentes positons de l'élément de support (6, 16, 26, 36) se distinguent les unes des autres par leur écart le long d'un axe, parallèlement à la direction de traction de l'élément de traction (2).
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'installation de l'élément de support (6, 16, 26, 36) sur le support (1) est réalisée de telle manière qu'elle est résistante à la pression.
  5. Dispositif selon l'une quelconque des revendications 2 à 4, dans lequel le réglage en continu de l'élément de support (6, 16, 26, 36) est limité.
  6. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'arbre posé sur le support (1) est un tourillon (5) formant un axe.
  7. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de support (6, 16, 26, 36) présente plusieurs encoches.
  8. Dispositif selon l'une quelconque des revendications précédentes, dans lequel une plaque comprenant plusieurs encoches est prévue, laquelle peut être divisée par l'utilisateur en plusieurs éléments de support d'une forme souhaitée par lui.
  9. Dispositif selon l'une quelconque des revendications précédentes, dans lequel au moins un élément de support (16, 26, 36) est exécuté de manière intrinsèquement déformable, au moins dans la partie de son côté tourné vers la tôle.
  10. Dispositif selon l'une quelconque des revendications précédentes, dans lequel au moins un élément de support (26, 36) est exécuté en matière plastique d'une seule pièce avec son encoche.
  11. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de support (36) est intrinsèquement divisé.
  12. Dispositif selon l'une quelconque des revendications précédentes, dans lequel 'encoche sur l'élément de support (6) est disposée de manière réglable perpendiculairement à la direction de traction de l'élément de traction (2).
EP02017449A 2001-08-14 2002-08-03 Dispositif pour le débosselage d' une tôle métallique Expired - Lifetime EP1285704B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10140923A DE10140923A1 (de) 2001-08-14 2001-08-14 Vorrichtung zum Ausbeulen von Blech
DE10140923 2001-08-14

Publications (2)

Publication Number Publication Date
EP1285704A1 EP1285704A1 (fr) 2003-02-26
EP1285704B1 true EP1285704B1 (fr) 2008-10-29

Family

ID=7696108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02017449A Expired - Lifetime EP1285704B1 (fr) 2001-08-14 2002-08-03 Dispositif pour le débosselage d' une tôle métallique

Country Status (4)

Country Link
EP (1) EP1285704B1 (fr)
AT (1) ATE412477T1 (fr)
DE (2) DE10140923A1 (fr)
DK (1) DK1285704T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019125136A1 (de) * 2019-09-18 2021-03-18 Siegbert Müller Ziehwerkzeug zum Bearbeiten von Vertiefungen eines Blechbauteils, insbesondere eines Kraftfahrzeugs

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930335A (en) * 1989-07-03 1990-06-05 Kosei Ishihara Lever-type auto body dent puller
DE9315560U1 (de) * 1993-10-07 1994-01-13 Storz GmbH, 78727 Oberndorf Ausbeulvorrichtung
IT241272Y1 (it) * 1996-12-05 2001-05-03 Maggi Luciano Dispositivo per riportare in piano parti rientrate di carrozzeria
WO2001034316A1 (fr) * 1999-11-09 2001-05-17 Mv Marketing Und Vertriebs-Gmbh & Co. Kg Element d'ancrage adhesif, et dispositif pour deformer des zones d'une carrosserie
DE20003647U1 (de) * 1999-11-09 2000-05-18 Gabriel, Michael, 73553 Alfdorf Dellenausziehgerät DA62000
DE20000085U1 (de) * 2000-01-04 2000-03-09 Adolf Würth GmbH & Co. KG, 74653 Künzelsau Anordnung zum Entfernen von Beulen aus Blech
DE10023518A1 (de) * 2000-05-13 2001-11-15 Adolf Wuerth Gmbh & Co Kg Vorrichtung zum Entfernen von Beulen

Also Published As

Publication number Publication date
DK1285704T3 (da) 2009-03-02
DE10140923A1 (de) 2003-02-27
ATE412477T1 (de) 2008-11-15
EP1285704A1 (fr) 2003-02-26
DE50212949D1 (de) 2008-12-11

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