WO2019240072A1 - Dispositif de rabattage à rouleau de panneau de véhicule et procédé de traitement l'utilisant - Google Patents

Dispositif de rabattage à rouleau de panneau de véhicule et procédé de traitement l'utilisant Download PDF

Info

Publication number
WO2019240072A1
WO2019240072A1 PCT/JP2019/022903 JP2019022903W WO2019240072A1 WO 2019240072 A1 WO2019240072 A1 WO 2019240072A1 JP 2019022903 W JP2019022903 W JP 2019022903W WO 2019240072 A1 WO2019240072 A1 WO 2019240072A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
hemming
roller
pad
inner panel
Prior art date
Application number
PCT/JP2019/022903
Other languages
English (en)
Japanese (ja)
Inventor
晋一 高津
村田　浩一
義弘 青木
Original Assignee
株式会社高津製作所
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 株式会社高津製作所 filed Critical 株式会社高津製作所
Priority to DE112019002945.2T priority Critical patent/DE112019002945T5/de
Priority to KR1020207034839A priority patent/KR20210005246A/ko
Priority to US17/055,307 priority patent/US20210178447A1/en
Publication of WO2019240072A1 publication Critical patent/WO2019240072A1/fr

Links

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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/02—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder
    • B21D39/021—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
    • B21D39/023—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors using rollers
    • 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
    • B21D19/02—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge
    • B21D19/04—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers
    • B21D19/043—Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
    • B21D43/003—Positioning devices
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards

Definitions

  • the present invention relates to a roller hemming processing apparatus for a vehicle panel and a processing method using the same.
  • a member having a gently curved surface such as a door panel or a hood panel for a vehicle is generally composed of an outer panel on the front side and an inner panel on the back side provided to reinforce the outer panel. Joined by hemming that bends the flange provided at the peripheral edge.
  • the workpiece in placing the workpiece on the hemming die, the workpiece is positioned by a plurality of locators provided on the peripheral portion of the hemming die and fixed by a clamp. Since the locator is positioned on the track of the moving roller, the locator is usually temporarily retracted from the roller track according to the movement of the roller, and the operation of returning the locator to the original position again after the roller passes is repeated. It was.
  • Patent Document 1 a plurality of openings in which a plurality of suction tools that are in surface contact with the lower surface of the workpiece are arranged, a lower surface of the workpiece is sucked and fixed using a rubber vacuum pad as the suction tool, and roller hemming is performed.
  • a method of processing has been proposed. Specifically, the lower surface of the work is sucked and fixed using a multistage bellows type rubber pad having a circular cross-sectional shape as the vacuum pad. This eliminates the need for temporarily releasing the fixing by the locator.
  • Patent Document 2 discloses a roller hemming method in which a peripheral portion of a work (outer panel of a door panel) is positioned by a plurality of claw portions and further fixed by a clamp or a vacuum cup.
  • a control program for avoiding interference is incorporated. It becomes an essential configuration.
  • the shape, size, number, etc. of the vacuum cup are not specified, it is presumed that the cup is a conical cup from the drawings.
  • Patent Document 3 discloses a configuration in which the inner panel and the outer panel of the workpiece are sucked by the suction force of the suction unit when the workpiece is hemmed by the hemming robot after the workpieces are aligned by the auxiliary clamping means. It is disclosed that the regulatory power can be secured.
  • the conical vacuum cup of the structure similar to the vacuum pad used by patent document 1 is illustrated (FIG. 8), and it accompanies deformation
  • the work fixing means in the roller hemming processing apparatus proposed so far has a certain effect of fixing the outer panel due to the suction of the vacuum pad such as a multi-stage bellows type, but is due to the contraction of the pad under reduced pressure.
  • the deformation is large, and the shearing force accompanying the pressing rotation of the roller causes the workpiece to deviate from a predetermined position, so that accurate roller hemming cannot be performed.
  • the workpiece cannot be fixed at a predetermined position as described above, a defective product is generated due to a portion that is not hemmed in a part of the entire peripheral edge of the inner panel and the outer panel, resulting in significant productivity and quality. There was a problem that a decrease in the amount occurred.
  • the inner panel when only the lower surface of the outer panel is fixed by suction, the inner panel is in an incomplete state in which a viscous adhesive is applied to the periphery of each of the outer panel and the inner panel and temporarily assembled. As a result, the inner panel is displaced from a predetermined position.
  • the present invention has been made in order to solve the above-described problems, and in manufacturing a vehicle panel, an accurate mounting of a workpiece composed of an outer panel and an inner panel on a predetermined position on a hemming die in a roller hemming process. And reliable fixing of both panels when moving the roller during hemming processing, reducing the number of programming steps for automating roller hemming processing, improving product quality, reducing defective rate, and excellent
  • Another object of the present invention is to provide a roller hemming processing device for a vehicle panel equipped with mass production technology and a processing method using the same.
  • a roller hemming device for a vehicle panel for hemming a peripheral portion of the outer panel of the vehicle panel including an outer panel and an inner panel with a roller of a roller hemming robot, A positioning mechanism for positioning the outer panel on a hemming die by a locator; a suction fixing mechanism for sucking and fixing the lower surface of the outer panel with a plurality of vacuum pads; and at the time of roller hemming processing, Provided with a locator retracting mechanism that retracts the locator,
  • the vacuum pad of the suction fixing mechanism includes a pad base, A skirt having a predetermined thickness continuously rising from the edge of the pad base and having an opening at the edge; A decompression space formed by the pad base inner wall and the skirt inner wall; A suction penetrating tube that penetrates the pad base and communicates with the decompression space, and sucks air in the decompression space; A top-view shape of the opening in the
  • the roller hemming device for a vehicle panel according to ⁇ 1> wherein in the vacuum pad, a rising height of the skirt portion from the surface of the pad base portion is in a range of 3 to 5 mm.
  • the roller hemming device includes a swing arm device having a swing arm that can rotate, bend and move up and down in an upper space of the hemming die, An inner panel fixing pad is provided downward at the tip of the swing arm, The swing arm is configured to prevent the inner panel from being displaced and lifted by lowering the inner panel fixing pad at a predetermined position and pressing the upper surface of the inner panel with the inner panel fixing pad.
  • the roller hemming device for a vehicle panel according to ⁇ 1> or ⁇ 2>.
  • ⁇ 4> The lower surface of the outer panel is sucked and fixed by the vacuum pad, the upper surface of the inner panel is pressed by the inner panel fixing pad of the swing arm, and the outer panel and the inner panel are predetermined on the hemming die.
  • a method for processing a vehicle panel characterized in that the roller hemming is performed while maintaining the state in which the locator of the outer panel is retracted from the track of the roller while being fixed at the position.
  • the roller hemming processing apparatus for a vehicle panel and the processing method using the same in the manufacture of the vehicle panel, the roller hemming processing of the work composed of the outer panel and the inner panel to the predetermined position on the hemming die is performed. Accurate placement and reliable fixing of both panels when moving the roller during hemming can be achieved, reducing the number of programming steps for automating roller hemming, improving product quality, and reducing the defect rate.
  • FIG. 1 is a schematic side view showing an embodiment of a roller hemming processing apparatus according to the present invention
  • FIG. 2 is a schematic perspective view showing an embodiment of a hemming die according to the present invention.
  • a roller hemming processing apparatus 1 (hereinafter also simply referred to as a roller hemming processing apparatus) for a vehicle panel according to the present invention includes a roller hemming robot that moves the peripheral portion 210 of the outer panel 21 of the vehicle panel 2 including the outer panel 21 and the inner panel 22. It is a roller hemming processing apparatus for hemming with a roller.
  • the roller hemming processing apparatus 1 includes a positioning mechanism that positions the outer panel 21 on the hemming die 10 by the locator 12, a suction fixing mechanism that sucks and fixes the lower surface of the outer panel 21 with the vacuum pad 3, and roller hemming during the roller hemming process.
  • a locator retracting mechanism for retracting the locator 12 from the track 11 of the robot roller is provided.
  • the positioning mechanism of the roller hemming processing apparatus 1 of the present invention is a mechanism for positioning when the work 2 composed of the outer panel 21 and the inner panel 22 is placed on the hemming die 10.
  • a plurality of locators 12 that move up and down are provided around the hemming die 10, and the workpiece 2 is placed at an accurate position on the hemming die 10 by the locator 12 in a state of being raised with respect to the hemming die 10. .
  • the workpiece 2 placed on the hemming die 10 is preliminarily provided on the peripheral portion 220 of the inner panel 22 and the peripheral portion 210 of the outer panel 21 having the flange 211 having a predetermined size and a predetermined angle on the peripheral portion.
  • Adhesive is applied and temporarily assembled. That is, the outer panel 21 and the inner panel 22 are temporarily assembled in a state where the adhesive is applied to the peripheral edge portions 210 and 220.
  • the said adhesive agent consists of either a thermoplastic resin or a thermosetting resin, and is a highly viscous mixture containing at least 1 sort (s) of filler chosen from an inorganic or metal powder, and spherical particle
  • the suction mechanism according to the present invention is a suction mechanism in which the lower surface of the outer panel 21 of the work 2 is supported by the vacuum pad 3 while the work 2 is accurately placed at a predetermined position on the hemming die 10. It is a mechanism to fix.
  • the vacuum pad 3 includes at least a pad base portion 30, a skirt portion 31, a decompression space portion 32, and a suction through tube 33.
  • the pad base 30 is a member that fixes and supports the work 2 together with the skirt portion 31 and the suction through pipe 33, and the material is not particularly limited as long as the material does not easily deform.
  • the skirt portion 31 is a member that comes into contact with the lower surface of the outer panel 21 of the work 2 to be attracted and fixed, rises continuously from the edge of the pad base 30 with a predetermined thickness, and has an opening 34 at the upper edge. are doing.
  • the skirt portion 31 may be molded integrally with the pad base 30 or may be molded and joined separately. Further, a decompression space portion 32 is formed in a portion surrounded by the pad base portion 30 and the inner wall of the skirt portion 31.
  • the material of the skirt portion 31 is not particularly limited as long as it is a material that does not easily deform when the work 2 is adsorbed, but is preferably a thermoplastic elastomer.
  • the thermoplastic elastomer include styrene butadiene rubber, butyl rubber, nitrile rubber, ethylene propylene rubber, acrylic rubber, silicone rubber, and fluorine rubber. Among these, nitrile rubber can be particularly preferably used.
  • the shore hardness of the skirt portion 31 is 40 to 90 HS, preferably 45 to 85 HS, and more preferably 60 HS.
  • the rising height of the skirt 31 from the pad base 30 is 3 to 5 mm, preferably 3.5 to 4.5 mm. If the rising height of the skirt portion 31 is within the above range, even if the work 2 is sucked and the fixing by the locator 12 is released and the roller hemming is performed, the work 2 is not displaced. . Further, the thickness of the skirt portion 31 can be appropriately set according to the hardness of the material and the like, and is not particularly limited, but is usually preferably in the range of 1.5 to 3.5 mm.
  • top view shape of the opening 34 is formed in an oval shape, and the major axis of the oval is preferably in the range of 50 to 125 mm and the minor axis is in the range of 15 to 70 mm.
  • the suction through pipe 33 is a member for sucking the air in the decompression space portion 32 to adsorb the work 2, and is provided so as to penetrate the pad base 30 and communicate with the decompression space portion 32.
  • the material of the suction through tube 33 is not particularly limited as long as it can fix and support the workpiece 2 together with the pad base 30 and the skirt portion 31 and does not easily deform, and is preferably made of metal.
  • the bonding method of the pad base 30 and the suction through tube 33 is not particularly limited as long as it is bonded so as not to be easily detached.
  • the pad base 30 is inserted into the center of the pad base 30.
  • a metal reinforcing member 37 having a hole provided therein, a female screw formed on the inner surface in the insertion hole is fitted, a male screw is provided at one end of the suction penetrating pipe 33, a male screw at the tip of the suction penetrating pipe 33, and a metal
  • the internal thread of the reinforcing member 37 can be screwed and joined.
  • a female screw can be formed on the inner surface of the insertion hole provided in the pad base 30 and can be directly screwed together.
  • the vacuum pad 3 used in the present invention it is preferable to form irregularities on the surface portion of the pad base 30 excluding the opening 34 of the suction penetrating tube 33 on the surface of the pad base 30 on the reduced pressure space 32 side.
  • the convex portion 35 comes into close contact with the surface of the work 2 when the work 2 is attracted, so that the work 2 can be more firmly fixed and fixed.
  • the air in the decompression space portion 32 passes through the gap between the convex portion 35 and the recess portion 36 by suction, is discharged from the suction through pipe 33 provided through the pad base portion 30, and Volume decreases. Accordingly, the convex portion 35 comes into contact with the lower surface of the outer panel 21 of the work 2. As a result, the vacuum pad 3 is not excessively contracted and deformed, and the occurrence of displacement of the outer panel 21 due to suction is reliably prevented.
  • the surface height of each convex part 35 forms the same surface.
  • the difference in height between the concave portion 36 and the convex portion 35 is not particularly limited as long as air flows during suction.
  • the shape and hardness of the convex portion 35 determines the flow of air in the concave portion 36 during suction. There is no particular limitation as long as the convex portion 35 is not deformed to the extent that it interferes.
  • the vacuum pad 3 is disposed on the inner periphery of the hemming die 10, and the oval major axis direction of the skirt portion 31 is mounted on the hemming die 10.
  • the vehicle panel 2 to be placed is arranged substantially parallel to the direction in which the curvature is small.
  • the curvature of the outer plate surface of the vehicle door is usually designed such that the longitudinal curvature is smaller than the vertical curvature. Therefore, as shown in FIG. 2, the longitudinal direction of all the vacuum pads 3 to be arranged is set substantially parallel to the front-rear direction of the door, so that the work 2 on the hemming die 10 is not displaced. Suction, close contact, and accurate and reliable fixing.
  • roller hemming processing apparatus 1 of the present invention can be provided with a swing arm apparatus 4 having a swing arm 43 that can rotate, bend and move up and down in the upper space of the hemming die 10 as shown in FIG. .
  • the swing arm device 4 of the embodiment shown in FIG. 1 is provided on the support 41 installed outside the hemming die 10, and on the swing arm 43 and the upper end of the support 41 to support the swing arm 43 so as to be rotatable.
  • a portion 42 is provided.
  • an inner panel fixing pad 44 is provided at the tip of the swing arm 43 in the downward direction.
  • the material and the performance of the inner panel fixing pad 44 are not particularly limited as long as the material is a solid selected from any one of a metal material, a polymer material, and a rubber material, or a composite material thereof.
  • the shape of the inner panel fixing pad 44 is not particularly limited as long as it can be brought into contact with the flat surface of the inner panel surface.
  • the inner panel fixing pad 44 may have a disk shape or a cylindrical shape within a range of 10 to 40 mm in diameter. preferable.
  • the upper portion of the inner panel 22 is pressed from above by the inner panel fixing pad 44 by operating the support portion 42 and lowering the swing arm 43 at a predetermined position above the inner panel 22. As a result, it is possible to reliably prevent the inner panel 22 from being displaced and lifted.
  • An inner panel reference pin is further provided at the tip of the swing arm 43 so that the inner panel 22 can be positioned accurately and reliably. Moreover, by making the swing arm apparatus 4 into the arch shape shown in FIG. 1, it can avoid without interfering with the operation
  • a workpiece positioning step at least a workpiece positioning step, a workpiece fixing step, a workpiece upper surface pressing step, and a hemming machining step are executed.
  • the vehicle panel workpiece 2 in which the outer panel 21 and the inner panel 22 are preliminarily assembled with an adhesive is placed on the hemming die 10 so that the surface side of the outer panel 21 faces down.
  • the workpiece 2 is accurately positioned by the locator 12 provided around the hemming die 10.
  • the lower surface of the outer panel 21 of the workpiece 2 is sucked and fixed by the plurality of vacuum pads 3.
  • the locator 12 is retreated from the roller trajectory 11 of the roller hemming robot.
  • the outer panel 21 of the work 2 is strongly sucked and fixed by the vacuum pad 3, so that the position of the work 2 is not shifted even if the locator 12 is retracted.
  • the inner panel fixing pad 44 at the tip of the swing arm 43 is in contact with the surface of the inner panel 22 substantially perpendicularly, so that the outer panel 21 and the inner panel 22 are temporarily assembled. Even in the workpiece 2 in the state, it is possible to reliably prevent the inner panel 22 from being displaced and lifted.
  • the lower surface of the outer panel 21 of the work 2 is sucked and fixed by the plurality of vacuum pads 3, the locator 12 is retracted, and the inner panel fixing pad 44 of the swing arm 43 is used as the inner part of the work 2.
  • Hemming is performed by a roller of a roller hemming robot while being in contact with the upper surface of the panel 22.
  • the roller of the roller hemming robot can perform hemming without diving under the arch-shaped swing arm 43 and interfering with it.
  • the lower surface side of the outer panel 21 of the work 2 is strongly sucked and fixed by the vacuum pad 3, and the upper surface side of the inner panel 22 is the inner panel of the swing arm 43. Since it is pressed from above by the fixing pad 44, even when the locator 12 is retracted, the occurrence of displacement and lifting is prevented, and it becomes possible to perform roller hemming at an accurate placement position.
  • roller hemming processing apparatus of the vehicle panel of this invention and the processing method using the same were demonstrated based on embodiment, this invention is not limited to said embodiment, and does not deviate from the summary. Various modifications and changes can be made within the range.
  • the inner panel 22 is pressed from above using two swing arm devices 4, but the swing arm device 4 is one or more in a range that does not interfere with the roller trajectory 11 of the roller hemming robot. Two or more groups may be used.
  • roller hemming processing apparatus for a vehicle panel and the processing method using the same according to the present invention will be specifically described with reference to examples.
  • the present invention is not limited to the following examples.
  • Example 1 Uniform with a viscosity of 300 Pa ⁇ s containing 1% by mass of glass beads with an average particle diameter of 200 ⁇ m on the inner panel peripheral edge and inner panel peripheral edge provided with a flange of 8 mm width and 90 ° on the peripheral edge made of hot dip galvanized steel sheet A paste-like, solvent-free, one-component thermosetting epoxy resin adhesive was applied, and a vehicle panel workpiece temporarily assembled by a robot was prepared. Next, the workpiece was automatically placed at a predetermined position on the hemming die according to the program of the roller hemming apparatus by another robot, and positioned by a locator.
  • each major axis is substantially parallel to the longitudinal direction of the vehicle, that is, the direction in which the curvature of the outer panel curved surface is small.
  • the vacuum pad was made of an oval, oil-resistant nitrile rubber having a shore hardness of 60 HS with a skirt portion thickness of 3 mm, a major axis length of 94 mm, and a minor axis length of 34 mm.
  • pre-hem processing is performed by bending the 90 ° bent flange formed on the periphery of the inner panel of the workpiece to 145 ° by the roller hemming robot. went.
  • the workpiece was further subjected to roller hemming that was programmed 180 ° bending. As a result, it is possible to perform processing without causing any trouble in the movement of the roller, and the position of the peripheral portion of the outer panel of the work is not displaced at all and coincides with the predetermined arrangement position. confirmed.
  • Example 2 Using the same workpiece and hemming die as in Example 1, the workpiece was suction fixed on the hemming die under the same conditions.
  • the inner panel fixing pad provided at the tip of the swing arm was brought into contact with the flat portion of the inner panel surface almost vertically, and the inner panel was pressed from above to prevent the lifting and fixing. At this stage, there was no deviation between the peripheral edge portions of the outer panel and the inner panel.
  • each column of the two swing arm devices provided outside the hemming die is automatically extended via the support portion while the outer panel is sucked and fixed with the vacuum pad. An arch was formed, and each inner reference pin was brought into contact with the inner panel surface almost vertically to position the inner panel.
  • the outer panel side is fixed with a vacuum pad in a state where the outer panel peripheral edge is temporarily assembled by applying adhesive to the outer panel peripheral edge, and the inner panel is fixed at a predetermined position by the swing arm. It was.
  • Example 2 As in Example 1, four roller hemming robots whose operations were programmed in advance were used, and a 90 ° bent flange formed on the peripheral edge of the inner panel of the workpiece was further removed by the rollers of the roller hemming robot. Pre-hem processing was performed to bend to 145 °. Further, after pre-hem processing, programmed roller hemming of 180 ° bending was performed on the workpiece.
  • Example 2 it was confirmed that the pre-hem processing can be performed without causing any trouble in the movement of the roller, and the position of the peripheral portion of the outer panel coincides with the predetermined arrangement position.
  • a plurality of locations on the peripheral portion (hemming portion) of the vehicle panel after the end of hemming were cut, and the deviations from the initial predetermined positions of the peripheral portions of the outer panel and the inner panel were examined. As a result, it was confirmed that the fixing position of the outer panel with respect to the inner panel of the present invention was not displaced at all.
  • the swing arm device of the present invention is effective in accurate positioning and fixing of the inner panel and precise roller hemming.
  • ⁇ Comparative Example 1> As a vacuum pad for fixing the outer panel of the workpiece, except for using a bellows vacuum pad made of oil-resistant nitrile rubber, with a shore hardness of 60 HS, a circular bottom of the pad, a bottom radius of the rubber part of 50 mm, and a height of 42 mm, an adhesive was applied to the outer panel and the inner panel, and the work of the temporarily assembled vehicle panel was placed at a predetermined position on the hemming die by a locator.
  • a bellows vacuum pad made of oil-resistant nitrile rubber, with a shore hardness of 60 HS, a circular bottom of the pad, a bottom radius of the rubber part of 50 mm, and a height of 42 mm
  • Example 2 As in Example 1, four roller hemming robots whose operations were programmed in advance were used, and a 90 ° bent flange formed on the peripheral edge of the inner panel of the workpiece was further removed by the rollers of the roller hemming robot. Pre-hem processing was performed to bend to 145 °. Further, after pre-hem processing, programmed roller hemming of 180 ° bending was performed on the workpiece.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Manipulator (AREA)

Abstract

La présente invention concerne un dispositif de rabattage à rouleau de panneau de véhicule, caractérisé en ce qu'il est équipé d'un équipement de rabat à rouleau comportant un mécanisme de positionnement permettant d'utiliser un localisateur pour positionner un panneau externe sur une matrice de rabattage, et un mécanisme d'aspiration/fixation permettant d'utiliser une ventouse à vide pour aspirer et fixer une surface inférieure du panneau externe, le mécanisme d'aspiration/fixation comprenant : une partie de base de ventouse ; une partie de jupe qui s'élève en continu à une épaisseur prescrite à partir du bord de la partie de base de ventouse et comporte une ouverture dans ses bords périphériques ; un espace de dépressurisation formé par une paroi interne de la partie de base de ventouse et une paroi interne de la partie de jupe ; et un tuyau traversant d'aspiration qui traverse la partie de base de ventouse, communique avec l'espace de dépressurisation, et aspire l'air à l'intérieur de l'espace de dépressurisation. En conséquence, l'invention porte sur un dispositif de rabattage à rouleau de panneau de véhicule et sur un procédé de traitement qui utilise ledit dispositif de rabattage à rouleau, permettant, pendant la fabrication de panneaux de véhicule, de placer correctement une pièce, qui comprend un panneau externe et un panneau interne, à une position prescrite sur une matrice de rabattage pendant le rabattage à rouleau, et de fixer de manière fiable les deux panneaux pendant le mouvement du rouleau pendant le rabattage, ledit dispositif de rabattage à rouleau comprenant également une technologie qui réduit le nombre de processus de programmation pour automatiser le rabattage à rouleau, augmente la qualité du produit, diminue le pourcentage de défauts, et assure une production de masse supérieure.
PCT/JP2019/022903 2018-06-11 2019-06-10 Dispositif de rabattage à rouleau de panneau de véhicule et procédé de traitement l'utilisant WO2019240072A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112019002945.2T DE112019002945T5 (de) 2018-06-11 2019-06-10 Walzbördelvorrichtung für ein fahrzeugpaneel und diese verwendendes bearbeitungsverfahren
KR1020207034839A KR20210005246A (ko) 2018-06-11 2019-06-10 차량용 패널의 롤러 헤밍 가공 장치 및 이것을 사용한 가공 방법
US17/055,307 US20210178447A1 (en) 2018-06-11 2019-06-10 Vehicle panel roller hemming device and processing method using the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018111248A JP6986493B2 (ja) 2018-06-11 2018-06-11 車両用パネルのローラーヘミング加工装置及びこれを用いた加工方法
JP2018-111248 2018-06-11

Publications (1)

Publication Number Publication Date
WO2019240072A1 true WO2019240072A1 (fr) 2019-12-19

Family

ID=68843438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/022903 WO2019240072A1 (fr) 2018-06-11 2019-06-10 Dispositif de rabattage à rouleau de panneau de véhicule et procédé de traitement l'utilisant

Country Status (5)

Country Link
US (1) US20210178447A1 (fr)
JP (1) JP6986493B2 (fr)
KR (1) KR20210005246A (fr)
DE (1) DE112019002945T5 (fr)
WO (1) WO2019240072A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021154351A (ja) * 2020-03-27 2021-10-07 本田技研工業株式会社 金型装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103613U (fr) * 1980-01-10 1981-08-13
JP2010240708A (ja) * 2009-04-08 2010-10-28 Torai Engineering Kk ローラ式ヘミング加工装置
JP4934533B2 (ja) * 2007-07-25 2012-05-16 王子ネピア株式会社 カートン取出供給装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589523U (ja) * 1981-07-13 1983-01-21 川端　茂 吸着盤
MX2012008971A (es) 2010-09-24 2012-11-23 Nissan Motor Sistema de procesamiento de dobladillo con rodillo.
KR101272938B1 (ko) 2011-10-13 2013-06-11 기아자동차주식회사 차량용 패널의 롤러 헤밍 시스템

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56103613U (fr) * 1980-01-10 1981-08-13
JP4934533B2 (ja) * 2007-07-25 2012-05-16 王子ネピア株式会社 カートン取出供給装置
JP2010240708A (ja) * 2009-04-08 2010-10-28 Torai Engineering Kk ローラ式ヘミング加工装置

Also Published As

Publication number Publication date
KR20210005246A (ko) 2021-01-13
JP2019214058A (ja) 2019-12-19
US20210178447A1 (en) 2021-06-17
JP6986493B2 (ja) 2021-12-22
DE112019002945T5 (de) 2021-03-18

Similar Documents

Publication Publication Date Title
ES2965617T3 (es) Método de conformación por prensado de componentes con forma de L
US9993899B2 (en) Vehicle body manufacturing apparatus
EP3479920B1 (fr) Dispositif et procédé de rabattage
WO2019240072A1 (fr) Dispositif de rabattage à rouleau de panneau de véhicule et procédé de traitement l'utilisant
US11607719B2 (en) Method and apparatus for double-sided incremental flanging
US20150101385A1 (en) Tool and method for producing stamped parts
CN104353730A (zh) 一种双层环形件内翻边模具及翻边工艺
US7204116B2 (en) Flanging apparatus for roller hemming
JP2010240708A (ja) ローラ式ヘミング加工装置
JP6343153B2 (ja) 棒材と移動規制部材の半製品との取付構造
JP2013154385A (ja) ローラヘミング加工方法およびその装置
JP2012200767A (ja) ヘミング加工装置
JPH0230329A (ja) ヘミング用金型装置
CN213793749U (zh) 一种一次成型的弯管加工模具
JP2014184502A (ja) 吸着パッド及びワーク加工装置
JP2017019004A (ja) ヘミング加工装置
CN109895408B (zh) 一种缠绕垫片定位环安装装置及安装缠绕垫片的方法
JP5680732B2 (ja) 加工装置
JP2021062380A (ja) 金属板加工装置
KR102446120B1 (ko) 프레스 성형 시스템용 소재 공급장치
JPH10128463A (ja) プレス装置
CN218425255U (zh) 一种用于钣金件加工的折弯机
CN212943827U (zh) 一种涂胶机设备工装用的气动卡具
CN216266089U (zh) 自动校正吸取式机械手夹头
CN219817729U (zh) 一种拉深模压边装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19820288

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20207034839

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 19820288

Country of ref document: EP

Kind code of ref document: A1