EP1341621B1 - Procede et dispositif de debosselage - Google Patents

Procede et dispositif de debosselage Download PDF

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Publication number
EP1341621B1
EP1341621B1 EP00977335A EP00977335A EP1341621B1 EP 1341621 B1 EP1341621 B1 EP 1341621B1 EP 00977335 A EP00977335 A EP 00977335A EP 00977335 A EP00977335 A EP 00977335A EP 1341621 B1 EP1341621 B1 EP 1341621B1
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EP
European Patent Office
Prior art keywords
lever arms
connection
material layer
bearing elements
planishing
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
EP00977335A
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German (de)
English (en)
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EP1341621A1 (fr
Inventor
Ralph Meichtry
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Individual
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Individual
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Publication of EP1341621A1 publication Critical patent/EP1341621A1/fr
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S72/00—Metal deforming
    • Y10S72/705—Vehicle body or frame straightener

Definitions

  • the invention relates to a Ausbulvortechnische according to the preamble of claim 1 and a Ausbeulvon according to The preamble of claim 10.
  • US4,026,139 shows a lever device with a mid-articulated bearing Pair of levers. At the end of each of the levers a suction cap is attached via a joint. in the Hinge point of the lever pair is pivotally hinged a U-shaped tension element, the at the free end also has a suction cap, which is attached to the Dellstelle shall be.
  • This construction has by means of additional holes on the two Although it is possible to adjust the adjustment, it is necessary for the regularly necessary adjustments However, unsuitable, since the corresponding adjustment on the one hand cumbersome, on the other in the handle unequal lever lengths and leverage and unwanted Causes movement paths. On more complex parts this construction is not included sufficient flexibility can be used. In addition, v. A. in larger bumps, during the bulging process, the distance between the two support points is necessarily changed, what the risk of scratch marks or a difficult to control handling result Has.
  • the invention provides for the first time an apparatus and a method for the repair of dented or gedellt material layers, in particular vehicle bodies made Sheet metal or plastic, which with low operating forces a metered force allow for the Dellstelle to be recovered and at startup as well as, Optionally, when needed, a light and flexible adjustability of the Have device.
  • the idea of the invention assumes the opposing forces, which of the necessary Counteract dent resistance, on at least two feet of support elements distribute the force over at least two acting on the tension element, adjustable lever at any time substantially uniformly initiated on this.
  • the Ausbulvor Vietnamese contains two or more lever arms, which in Area of the opposite end of their handle with a lever arms connecting Joint member are hingedly connected.
  • the lever arms are at one of these ends spaced point articulated and movable on a support member via abutment means supported.
  • the tension element is in turn connected to the hinge member.
  • the carrier element is operatively connected to at least two support elements, the in turn, the bulge device against the workpiece to be machined support.
  • the lever device of a dent removal device preferably has two lever arms with a gear ratio of at least about 3: 1.
  • the working end of the tension element is detachable with a connecting element connected, which has an end surface for connection to the material layer to be processed has.
  • This connection of the end surface with the material layer is in a particularly preferred embodiment by means of a hot melt adhesive causes the the parts connects to each other, but can also be done in a mechanical manner.
  • the adhesive has a strength at ambient temperature; the one for one only plastic deformation of the material layer is sufficient but smaller than the tensile strength at break the material layer to damage the material layer safely turn off.
  • the hot melt adhesive is preferably one at room temperature solid polymer with polar side groups used, which at temperatures of over 150 ° C softens or melts. Such polymers are known and commercially available, e.g. Copolymers with vinyl acetate, acrylates or acrylic acid, as well as hot melt adhesives based of ionomers.
  • the inventive method is particularly suitable for use for Body repair of vehicles, wherein the material layer of sheet metal, in particular Sheet steel, and any cover layers prior to bonding with the Connecting element to be removed if their adhesion to the material layer less than the required tensile strength of the bond.
  • FIG. 1 shows an inventive dent removal device 10 with two lever arms 151.1, 151.2, a joint member 157, a support element 16 and support devices 162.1, 162.2.
  • the lever arms 151.1,151.2 each have at their free end a handle 163.2, which is shown schematically in the second lever arm 151.2.
  • Each lever arm 151.1, 151.2 is connected at the end opposite the handle 158.1, 158.2 via a joint (in this case an axle joint) to the joint member 157.
  • the lever arms 151.1, 151.2 are also hingedly connected to the support means 162.1, 162.2 at a distance d1 from these axle joints.
  • these joints have a mounted in a slot-shaped opening 156 of the lever arms 151.1,151.2 axis or stub axle.
  • the carrier element 16 is a straight rail on which the supporting devices 162.1, 162.2 designed as carriages are displaceable. These slides can be locked by means of adjusting means 164.1, 164.2, such as wing nuts, in a desired position on the arm.
  • the arm 16 is operatively connected at its ends with support elements 12.1, 12.2, wherein these are height adjustable with respect to the arm 16 here.
  • the tension member 11 is at least partially threaded therethrough Rod 154 by means of an adjusting head 155 adjustably connected to the hinge member 157.
  • This adjustability causes the ratio of the distance d3 between the support elements 12.1, 12.2 to the maximum distance d2 of the tension element 11 at least 10: 1, preferably at least 20: 1.
  • the tension member or the rod 154 are preferably guided, here by guide slots or a bore 71, so that a defined Force is guaranteed.
  • the inventive arrangement causes that upon actuation of the lever arms 151.1,151.2 in the direction of the workpiece to be machined the traction element 11 moves away from this and a desired part of the maximum distance d2 travels. It is guaranteed that even with uneven Force on the lever arms 151.1, 151.2, the tension element uniform from the Dellstelle is moved away and no unwanted force components in the workpiece be initiated.
  • the tension element 11 has here at its free working end 68 a coupling device 69 on.
  • This coupling device 69 allows a detachable connection with a Connecting element 13 connectable to the deformable Dellstelle.
  • this coupling device 69 by a recess in Area of the working end 68 of the connecting element 13 is formed, preferably a A latching mechanism, for example a groove or a groove, so that the connecting element 13 not only loose can be pushed into this recess, but in it finds a defined stop.
  • alternative coupling devices e.g. a firmly latching bayonet connection can be used.
  • the construction of the arm 16 with the carriages can be clearly seen in the plan view of Figure 2 , which shows a preferred embodiment of the arm 16 with two spaced, straight rail parts 165.1, 165.2.
  • the support devices 162.1, 162.2 can additionally be determined at different positions of the carrier element 16, so that their mutual spacing can be varied.
  • a particular advantage of the invention lies in the fact that the bulging device can be adjusted very flexibly and adapted to practically all imaginable workpiece geometries, but that the distance d3 between the bearing elements 12.1, 12.2 remains constant during use of the tool and thus a safe and accurate Support is achieved while avoiding the disadvantages of the prior art.
  • the distance d3 may indeed be adjustable, but not undesirable changes in the use of the tool or joint assemblies are required, which make the tool unstable (cf the Achsgelenke 32 in US 4,026,139).
  • the distance between the tension element and the support elements 12.1, 12.2 remains constant.
  • unwanted force components are transversely effected to the material surface, which would affect the use of a bonding member 13 to be bonded due to the shear forces occurring in the adhesion very disadvantageous.
  • the device according to the invention allows that the restoring forces can be introduced substantially perpendicular to the bulge region (B) and a substantially homogeneous force flow is achieved.
  • the support arm may be of the straight rail shape differ.
  • the carrier arm in the middle area e.g. have a yoke-like, upwardly facing geometry.
  • the Support devices 162.1, 162.2 remain in this case in the manner described above slidable straight rail parts.
  • Such yoke-like transitions can with the Rail parts mechanically connected or formed integrally with these.
  • FIG . 3 a shows a support element 12 in a lateral view.
  • a support element 12 in a lateral view.
  • Particularly favorable is the arrangement of a three-axis joint 51, which is designed here as a ball joint.
  • This makes it possible to spatially move the foot 52 of the support element 12, so that the bulge-out device 10 can also be applied on spatially curved material parts in the desired angular position.
  • the foot 52 of the support element has as large an area as possible, which is approximately 20-30 cm 2 in a tool for bulging car bodies and is of circular design here.
  • this includes a with the material layer WStemporärverbind and releasable fastening device 55, wiez.B. a magnet or a suction cup.
  • FIG. 3b shows a further preferred embodiment of a support element 12.
  • the support element 12 is here mitzwei feet 52.1, 52.2 provided. Via a ball joint 56, the support element 12 is pivotally connected to the carrier element 16.
  • the two feet 52.1, 52.2 are about adjusting devices 57.1, 57.2, 57.3, 57.4, here for example adjusting nuts, joint and length / Achslagenver ein (also rotation), arranged movably relative to the support arm.
  • a ball joint can be provided as an adjustment.
  • each of the feet can be correspondingly smaller compared to the foot shown in FIG. 3a without undue pressure being exerted on the material surface.
  • this arrangement has the advantage that the tool can be supported against the workpiece even in difficult due to geometric conditions work areas.
  • a bump B in a material layer WS for example the steel sheet of a vehicle body, is to be eliminated.
  • the connecting element 13 is pressed with its end face 61 onto a hotmelt adhesive 19 liquefied by the previous action of heat. After cooling of the hotmelt adhesive 19, the connecting element 13 is so firmly connected to the material layer WS that pulling this layer in the bump region in the direction of the arrow Z leads to a plastic deformation of the material layer.
  • the connecting element 13 consists essentially of the end surface 61, a transition piece 62 and a coupling head 63 connected to the coupling means 69 of the Pull element 15 interacts releasably.
  • the coupling head 63 preferably engages in a recess or groove of the coupling device 69, so that under the coupling head 63 is not undesirable from the coupling device 69 is solved.
  • the coupling head 63 has a Centering geometry, eg. A conical shape, so that the attachment of the tool and the engagement with the coupling device 69 is facilitated.
  • the arrangement of Tension element 11 and connecting element 13 are chosen so that the over the lever arms 151.1, 151.2 (see Figure 1) introduced forces as perpendicular to the material layer WS act to effect a uniform bulging Dellstelle B.
  • the maximum distance d2 (see Figure 1) of the tension element 15 in the direction of arrow Z is limited according to the invention but variably adjustable.
  • the length d4 can be varied, e.g. by a sentence of Connecting elements 13 are provided with different lengths of the transition piece 62 becomes.
  • a force (F) by pressing the lever arms (151.1, 152.2) are introduced substantially perpendicular to the bulge region (B).
  • the end surface 61 need not be flat and can be adapted to the shape of a bump be, e.g. by the contact area or virtually all of the element 13 from a material that by cutting or thermal deformation of the be adapted to the respective bulge shape, z. B.dnch that the contact area a thermoplastic material and in the plastic state before bonding for shape adaptation is pressed into the bump.
  • the actual bulging process is now as follows. Connecting a connector 13 with the material layer WS is made as described above. Thereafter, the support means 162.1, 162.2 of the lever arms 151.1, 152.2 with respect to a support element and other adjustment parameters, such as adjustable Feet 52 of the support elements, adjusted and aligned. Thereafter, the tension element 11th connected to the connecting element 13 via the coupling 63, 69 and the support elements 12.1,12.2 on the workpiece to be machined at the desired location stated.
  • By actuating the lever arms 151.1, 152.2 is a substantially perpendicularzum Bump area B standing force F exerted on the latter. After the desired Plastic deformation of the bump is usually the first tool by loosening the Coupled off the connecting element 13 and finally the connection between Connection element 13 and material layer WS solved.
  • the inventive concept also includes embodiments in an obvious way which coordinates the handles of the lever arms 151.1, 151.2 by means of an auxiliary structure be actuated, e.g. a designed in a conventional manner lever device, which also can be guided or supported by the rod 154.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Coating Apparatus (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Magnetic Heads (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Massaging Devices (AREA)
  • Display Devices Of Pinball Game Machines (AREA)

Claims (12)

  1. Dispositif de planage (10) présentant un élément de traction (11) et des bras de levier (151.1, 151.2) reliés de manière articulée ainsi que des éléments d'appui (12.1, 12.2) à poser sur une couche de matériau (WS), les bras de levier (151.1, 151.2) étant, au niveau de l'extrémité (158.1, 158.2) opposée à leur poignée, reliés de manière articulée à un élément d'articulation (157) reliant les bras de levier (151.1, 151.2) et les bras de levier (151.1, 151.2) s'appuyant, à un point (161) situé à distance de ces extrémités (158.1, 158.2), de manière articulée et mobile sur un élément support (16) en liaison fonctionnelle avec les éléments d'appui (12.1, 12.2) par l'intermédiaire de dispositifs de soutien (162.1, 162.2) et l'élément de traction (11) étant relié à l'élément d'articulation (157), caractérisé en ce que l'élément support (16) est réalisé sous forme d'un rail sur lequel les dispositifs de soutien (162.1, 162.2) s'appuient avec une possibilité de déplacement et/ou de blocage.
  2. Dispositif de planage selon la revendication 1, caractérisé en ce que l'élément de traction est relié de manière réglage à l'élément d'articulation (157) de manière à ce que la course maximale (d2) de l'élément de traction (11) soit réglable.
  3. Dispositif de planage selon la revendication 1, caractérisé en ce que l'élément de traction (11) présente, à son extrémité opérationnelle (68), un dispositif de couplage (69) qui coopère avec un élément de liaison (13) qui est en liaison fonctionnelle avec le matériau (WS) à usiner.
  4. Dispositif de planage selon une des revendications précédentes, caractérisé en ce que les éléments d'appui (12) sont disposés sur l'élément support (16) de manière à ce que le pied (52) de ces éléments d'appui (12) soit réglable au niveau de la distance (d1) et/ou de la position angulaire par rapport à l'élément support (16).
  5. Dispositif de planage selon une des revendications précédentes, caractérisé en ce que les éléments d'appui (12) possèdent chacun au moins deux pieds (52).
  6. Dispositif de planage selon une des revendications précédentes, caractérisé en ce qu'au moins un pied (52) des éléments d'appui (12) contient un dispositif de fixation (55) pouvant être temporairement rattaché à et détaché de la couche de matériau (WS).
  7. Dispositif de planage selon une des revendications précédentes, caractérisé en ce que l'élément de liaison (13) possède une surface terminale (61) à relier à un point de collage.
  8. Dispositif de planage selon la revendication 7, caractérisé en ce qu'au moins la surface terminale (6) de l'élément de liaison (13) est composée d'un matériau pouvant être collé au moyen d'une colle à chaud.
  9. Dispositif de planage selon une des revendications précédentes, caractérisé en ce que le point d'articulation de l'élément d'articulation (157) et du dispositif de soutien (162) sur les bras de levier (151) et la poignée des bras de levier (163) sont espacés l'un de l'autre de manière à ce que les bras de levier possèdent un rapport de transmission d'au moins 1 à 3.
  10. Procédé de planage d'une couche de matériau (WS) en utilisant un dispositif de planage selon une des revendications 1 à 9, comportant un élément de traction (11) qui est relié à celle-ci au niveau du bosselage (B), par liaison d'un élément de liaison (13) à la couche de matériau (WS) ; liaison de l'élément de traction (11) à l'élément de liaison (13) par l'intermédiaire d'un couplage (63, 69) ; placement d'éléments d'appui (12.1, 12.2) reliés à l'élément support (16) sur la pièce à usiner ; introduction d'une force (F) orientée sensiblement à la verticale par rapport à la zone de bosselage (B) par actionnement des bras de levier (151.1, 151.2) ; interruption de la liaison entre l'élément de liaison (13) et la couche de matériau (WS), caractérisé par un réglage des bras de levier (151.1, 151.2) par rapport à un élément support (16) ; avant de relier l'élément de traction (11) à l'élément de liaison (13).
  11. Procédé selon la revendication 10, caractérisé en ce que la liaison de l'élément de liaison (13) à la couche de matériau (WS) se fait par collage et que le point de collage possède, à température ambiante, une résistance qui est suffisante pour une déformation seulement plastique de la couche de matériau (WS) mais est inférieure à la résistance à la déformation à la rupture de la couche de matériau (WS).
  12. Procédé selon une des revendications 10 ou 11, caractérisé en ce que la liaison est réalisée au moyen d'une colle à chaud, notamment un polymère solide à température ambiante à groupes latéraux polaires ou des ionomères qui ramollissent ou fondent à des températures supérieures à 150 °C.
EP00977335A 2000-12-05 2000-12-05 Procede et dispositif de debosselage Expired - Lifetime EP1341621B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CH2000/000643 WO2002045877A1 (fr) 2000-12-05 2000-12-05 Procede et dispositif de debosselage

Publications (2)

Publication Number Publication Date
EP1341621A1 EP1341621A1 (fr) 2003-09-10
EP1341621B1 true EP1341621B1 (fr) 2005-08-03

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EP00977335A Expired - Lifetime EP1341621B1 (fr) 2000-12-05 2000-12-05 Procede et dispositif de debosselage

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US (1) US6874347B2 (fr)
EP (1) EP1341621B1 (fr)
AT (1) ATE301011T1 (fr)
AU (1) AU2001215071A1 (fr)
DE (1) DE50010892D1 (fr)
ES (1) ES2246906T3 (fr)
WO (1) WO2002045877A1 (fr)

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FI20020969A0 (fi) * 2002-05-22 2002-05-22 Autorobot Finland Laite ajoneuvon pintapeltien oikaisemiseksi
US7055360B2 (en) * 2003-12-31 2006-06-06 3M Innovative Properties Company Method of applying a force to a work piece
US7343773B1 (en) * 2006-11-13 2008-03-18 Yi-Chang Chan Repairing kit for automotive dents
US20130205859A1 (en) * 2012-02-13 2013-08-15 Ronald Lee Souther Impingement shield shaping tool and method for using same
CN102921772A (zh) * 2012-11-14 2013-02-13 大连纳思达汽车设备有限公司 汽车车身外形修复装置
US8516875B1 (en) * 2012-12-01 2013-08-27 Yi-Chang Chan Repairing kit for automotive dents
KR101414165B1 (ko) * 2014-03-18 2014-07-02 주식회사 세정기술개발 덴트 복원장치
KR101414166B1 (ko) 2014-03-18 2014-07-02 주식회사 세정기술개발 덴트 복원장치
US9457391B2 (en) * 2014-05-16 2016-10-04 Lockheed Martin Corporation Apparatus and method for deforming a surface
USD860741S1 (en) * 2017-03-27 2019-09-24 Yunliang Yang Automobile dent repair tool
USD860742S1 (en) * 2017-03-27 2019-09-24 Yunliang Yang Automobile dent repair tool
USD925314S1 (en) * 2019-09-18 2021-07-20 Siegbert Müller Jig for repairing vehicle bodies
USD878885S1 (en) * 2019-10-14 2020-03-24 Shenzhen GeLiSiTong Technology Co., Ltd Automobile dent repair tool
USD901267S1 (en) * 2020-06-11 2020-11-10 Shenzhen Xinqi Chuangwei E-Commerce Co., Ltd. Hand-operated automotive repair tool
CA3140747A1 (fr) * 2020-11-30 2022-05-30 Product Launch Advisors, LLC Outil pour fixer la position d'attache

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US2949144A (en) * 1958-08-07 1960-08-16 Arthur P Dredske Body and fender straightener
US3635072A (en) * 1969-10-28 1972-01-18 Eugene B Steinmann Jr Shaft and cup dent puller
US4026139A (en) * 1976-01-21 1977-05-31 The Raymond Lee Organization, Inc. Metal surface repair tool
US4089201A (en) * 1976-05-27 1978-05-16 Constantine Raptis Silent dent puller
US4930335A (en) * 1989-07-03 1990-06-05 Kosei Ishihara Lever-type auto body dent puller
US5203196A (en) * 1991-10-07 1993-04-20 Jenkins Fremont T Dent puller
JPH0750010Y2 (ja) * 1991-11-24 1995-11-15 光政 石原 板金用引出し具
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AU724761B2 (en) 1998-10-07 2000-09-28 Akio Hirane Resistance stud-welding handy puller

Also Published As

Publication number Publication date
US20040016282A1 (en) 2004-01-29
US6874347B2 (en) 2005-04-05
DE50010892D1 (de) 2005-09-08
ATE301011T1 (de) 2005-08-15
WO2002045877A1 (fr) 2002-06-13
AU2001215071A1 (en) 2002-06-18
ES2246906T3 (es) 2006-03-01
EP1341621A1 (fr) 2003-09-10

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