WO2006137467A1 - ローラヘミング装置及びローラヘミング方法 - Google Patents
ローラヘミング装置及びローラヘミング方法 Download PDFInfo
- Publication number
- WO2006137467A1 WO2006137467A1 PCT/JP2006/312471 JP2006312471W WO2006137467A1 WO 2006137467 A1 WO2006137467 A1 WO 2006137467A1 JP 2006312471 W JP2006312471 W JP 2006312471W WO 2006137467 A1 WO2006137467 A1 WO 2006137467A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- receiving
- plate member
- plate
- hemming
- Prior art date
Links
- 238000009957 hemming Methods 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims description 40
- 239000000463 material Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 11
- 230000037303 wrinkles Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 25
- 238000010586 diagram Methods 0.000 description 18
- 238000005452 bending Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
- B21D19/02—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
-
- 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
-
- 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
-
- 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
Definitions
- the present invention relates to an improvement in roller hemming technology.
- a processing technology for connecting two plate materials to each other by overlapping two plate materials and bending the edge of one plate material to the edge of the other plate material has been widely implemented. be called.
- roller hemming method which is another force-based method in which the press hemming method using a press die is well known, is also employed (see, for example, Japanese Patent Publication No. 7-16731 (Figs. 1 and 3))
- FIG. 16 (a) and FIG. 16 (b) are diagrams for explaining the basic principle of the conventional technique.
- the workpiece 102 is placed on the hemming die 101, and the edge of the workpiece 102 is held by the clamp arms 104, 104 of the clamp mechanisms 103, 103.
- a workpiece 102 is obtained by stacking a second plate material 108 on a first plate material 107 having an upstanding flange 106. Then, the standing flange 106 is bent using the roller 111 provided in the robot arm 110. As a result, the edge of the first plate member 107 (standing flange 106) can be wound around the edge of the second plate member 108, and the connection between the first plate member 107 and the second plate member 108 can be achieved.
- FIG. 17 is a cross-sectional view taken along line 17-17 in FIG. 16B, and shows an example in which the workpiece 102 is held down by a plurality of clamp arms 104A, 104B, 104C, and 104D.
- the receiving surface 113 of the hemming die 101 needs to have the same shape as the first plate member 107. Since the hemming mold 101 is a machine calorie product, the shape accuracy is good. On the other hand, the shape of the first plate 107 obtained by plastic deformation of the blank varies depending on the influence of the springback.
- a gap 114 is locally generated.
- Clamp arm 104A, 104B, 104C, 104D In the pump state, the gap 114 can be made substantially zero by the action of the clamp arms 104C and 104D.
- the gap 114 can be eliminated by optimizing the arrangement and number of clamp arms.
- the single item refers to an article that is large enough to be placed on the hemming die 101.
- FIG. 18 (a) to 18 (d) are explanatory diagrams when the conventional roller hemming method is applied to the vehicle body.
- Fig. 18 (a) shows a schematic diagram of the workpiece 120.
- the workpiece 120 is a white body, which is a large structure formed by combining a plurality of panels.
- FIG. 18 (b) is an enlarged view of part b of FIG. 18 (a) and shows the rear wheel arch 121.
- FIG. 18 (c) is a cross-sectional view taken along the line C—C of FIG. 18 (b).
- the second plate 124 is overlapped with the first plate 123 having the upright flange 122, and the upright flange 122 is hemmed. This shows the state before bending by wrinkles.
- FIG. 18 (d) shows the state after hemming, and the lower end of the first plate 123, that is, the upright flange 122 is wound around the lower end of the second plate 124, so that the second plate 124 is inserted into the first plate 123. Indicates that 124 could be combined.
- FIG. 19 is a diagram for explaining a problem when the conventional roller hemming method is applied to the vehicle body.
- the first plate member 123 is placed on the hemming die 101 and the second plate member overlapped with the first plate member 123.
- a state in which the standing flange 122 is bent by the roller 106 is shown in FIG.
- the rear wheel arch 121 is suppressed by the clamp arms 104A, 104B, 104C, and 104D.
- the first plate member 123 is a rigid member that constitutes the vehicle body, the gap 125 Remains.
- roller hemming using the conventional hemming mold 101 cannot be applied to rigid members such as white bodies.
- An object of the present invention is to provide a roller hemming technique that can be applied to a rigid member such as a white body.
- a first aspect of the present invention is to apply a second plate member to a first plate member having an upright flange at an edge, and bend the upright flange with a roller while receiving the first plate member with a receiving die.
- the receiving mold is provided with a movable clamp mechanism that sandwiches at least the first plate material, and the clamp mechanism allows the first plate material to be moved. It is a portable type that is used in a gripped form.
- the clamp mechanism is provided in the receiving mold so as to be movable in a direction allowing the receiving mold to be separated from the first plate member when the upright flange is pressed by the roller. It is characterized by that.
- the roller is rubbed together with an auxiliary roller that defines a movement locus, and a guide groove that defines the movement locus of the auxiliary roller is provided in the receiving mold.
- the first plate is a rigid member that is difficult to squeeze by connecting a plurality of panels.
- a fifth aspect of the present invention is to apply a second plate member to a first plate member provided with an upright flange at an edge, and bend the upright flange with a roller while receiving the first plate member with a receiving die.
- the roller hemming method in which the edge of the first plate material is wound around the edge of the second plate material, the first plate material is brought into close contact with the receiving mold at the roller portion, but the receiving plate force is separated at the other portion. Hemming is performed while allowing this.
- the receiving die is a portable type that is used in a form of being held by the first plate member by the clamp mechanism, and therefore can be attached to the tip of the robot arm. Since the receiving mold is movably provided on the first plate member, the receiving mold itself is displaced when a large force is applied to the clamp mechanism during roller hemming.
- the force is such that the work follows the fixed hemming mold.
- the receiving mold follows the fixed first plate member. Therefore, even if the first plate is a component that is difficult to squeeze, a preferred hemming process without wrinkling, undulation, or deformation can be performed.
- the clamp mechanism is provided in the receiving die so that the first plate member can be moved in a direction allowing the receiving die to be separated when the roller presses the standing flange. If the receiving plate is away from the first plate, the clamp mechanism can be attached to the receiving plate by a simple rail and slider combination, simplifying the roller hemming device and reducing the equipment cost. Can be planned.
- the roller is guided by providing a guide groove in the receiving mold.
- First plate force Force that pre-teaches the robot along the extended upright flange This inevitably shifts between this teaching and the actual movement path of the robot arm.
- the roller since the roller is guided by the guide groove, there is no fear that a deviation occurs. As a result, the standing flange can be accurately hemmed.
- a fourth aspect of the present invention is applied to a rigid member that is difficult to squeeze by connecting a plurality of panels. That is, a hemming force can be applied to a rigid member such as a white body, and processing costs can be reduced.
- hemming is performed while allowing the first plate member to be separated from the receiving force in other portions, such as the force that causes the first plate member to closely contact the receiving die at the roller portion. It is characterized by exercising. Conventionally, the work is made to follow the fixed hemming die, but in the present invention, the receiving die is made to follow the fixed first plate material. Therefore, even if the first plate member is a component member that is difficult to bend, a preferred hemming process without wrinkles, undulations, or deformation can be performed.
- FIG. 1 is a front view of a receiving mold of a roller hemming device according to an exemplary embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along line 2-2 in FIG.
- FIG. 3 is a cross-sectional view taken along line 3-3 in FIG.
- FIG. 4 is a perspective view of an attachment according to an exemplary embodiment of the present invention.
- FIG. 5 is a cross-sectional view taken along line 5-5 in FIG.
- FIG. 6 is an explanatory view at the time of receiving-type standby according to an exemplary embodiment of the present invention.
- FIG. 7 is an explanatory view at the start of a receiving die set according to an exemplary embodiment of the present invention.
- FIG. 8 is an explanatory diagram when the receiving die set is completed according to an exemplary embodiment of the present invention.
- FIG. 9 is an explanatory diagram of a hemming process according to an exemplary embodiment of the present invention.
- FIG. 10 is an explanatory diagram of a preliminary hemming process according to an exemplary embodiment of the present invention.
- FIG. 11 is an explanatory diagram of the hemming process according to an exemplary embodiment of the present invention.
- FIG. 12 is a plan view for explaining the operation at the time of receiving type setting according to an exemplary embodiment of the present invention.
- FIG. 13 is a plan view for explaining the initial operation of the roller hemming process according to an exemplary embodiment of the present invention.
- FIG. 14 is a plan view for explaining the action at the end of the roller hemming process according to an exemplary embodiment of the present invention.
- FIG. 15 shows a clamping mechanism according to another exemplary embodiment of the present invention.
- FIG. 16 is a diagram for explaining the basic principle of conventional technology.
- FIG. 17 is a cross-sectional view taken along line 17-17 in FIG. 16 (b).
- FIG. 18 is an explanatory diagram when the conventional roller hemming method is applied to the vehicle body.
- FIG. 19 is a diagram illustrating a problem when the conventional roller hemming method is applied to the vehicle body. Explanation of symbols
- FIG. 1 is a front view of a receiving type of a roller hemming device according to an exemplary embodiment of the present invention.
- the roller hemming device is detachably attached to a roller mechanism (reference numeral 40 in FIGS. 4 and 5) attached to a robot arm and this attachment. It consists of a receiving mold 10 to be attached
- the receiving mold 10 has a receiving surface (described in FIG. 2) and a positioning pin 11 on the back surface of the drawing, and a first guide groove 12, a second guide groove 13 and a positioning pin 11 on the front surface of the drawing.
- a chuck portion 14 that can be chucked from the outside is provided, and clamp mechanisms 20A, 20B, and 20C are provided at the lower left end, the upper edge, and the right end, respectively.
- Fig. 2 is a cross-sectional view taken along line 2-2 of Fig. 1 and includes a first guide groove 12 and a second guide groove 13 on the outer surface (right side of the drawing) of the receiving die 10; The left side is provided with a receiving surface 15.
- the clamp mechanism 20B includes a rail 21 provided on the receiving mold 10 side, a slider block 22 movably attached to the rail 21, a clamp arm 24 which is swingably fixed to the slider block 22 with a pin 23, In order to swing the clamp arm 24, the cylinder unit 25 attached to the slider block 22 is also used.
- the pair of stoppers 26 and 27 are provided to prevent the slider block 22 from coming off the rail 21. Therefore, the slider block 22 can move freely by a certain distance.
- clamp mechanisms 20A and 20C shown in FIG. 1 are the same components, the reference numerals are used to omit the description.
- FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 1.
- the positioning pin 11 protruding from the receiving mold 10 is sufficiently long, and the chuck portion 14 has a pocket portion 28.
- the member indicated by the imaginary line is an attachment 30 attached to the tip of the robot arm 29.
- FIG. 4 is a perspective view of an attachment according to an exemplary embodiment of the present invention.
- the attachment 30 includes a frame 33 attached to the robot arm 29, an actuator 32 attached to the frame 33, and the actuator It consists of a chuck disk 31 attached to 32 and a roller mechanism 40 (details will be explained in the next figure) with the main part housed in a frame 33.
- FIG. 5 is a cross-sectional view taken along line 5-5 in FIG. 4.
- the roller mechanism 40 includes a first rail 41 provided on the frame 33 and a first slider 42 movably attached to the first rail 41.
- a subframe 43 and a second rail 44 extending from the first slider 42 in a direction orthogonal to the first rail 41, a second slider 45 and a third slider 46 movably attached to the second rail 44, and ,
- a roller 48 rotatably attached to the second slider 45 via a support shaft 47, an auxiliary roller 51 rotatably attached to a second slider 45 through a support shaft 49, and a third slider 45
- a hydraulic cylinder 52 for adjusting the distance between the sliders and the pressing force of the roller 48 by connecting the slider 46, the elastic bodies 53 and 54 for supporting the third slider 46 on the first slider 42, and the frame And an elastic body 55 that supports the first slider 42 in inertia.
- the elastic bodies 53, 54 and 55 may be either springs or cushion rubbers.
- the position of the frame 33 is determined by the robot arm 29.
- the roller 48 can move up and down in the drawing by the elastic support action of the elastic body 55, and can move to the left and right in the drawing by the elastic support action of the elastic bodies 53 and 54.
- FIG. 6 is an explanatory diagram of the receiving die standby according to the present invention.
- a robot 57 is arranged on the production line 56, and the receiving die 10 is held by the robot arm 29 of the robot 57 and waits in this state. Then, the white body 60 placed on the movable carriage 58 is transported to the vicinity of the robot 57.
- FIG. 7 (a) and FIG. 7 (b) are explanatory diagrams at the start of the receiving die set according to an exemplary embodiment of the present invention.
- the receiving die 10 is advanced by the robot arm 29 by inserting the positioning pin 11 on the receiving die 10 side into the hole 61 on the white body 60 side.
- FIG. 7 (b) is a supplementary view of FIG. 7 (a), in which the clamp arm 24 of the clamp mechanism 20B provided on the receiving mold 10 is kept in the unclamping position, and the receiving mold 10 is advanced as indicated by the white arrow.
- FIGS. 8 (a) and 8 (b) are diagrams illustrating the completion of the receiving set according to the exemplary embodiment of the present invention. It is a clear diagram.
- the clamp arm 24 is swung to the clamp side by the cylinder unit 25, and the first plate member 63 and the second plate member 64 are sandwiched between the slider block 22 and the clamp arm 24. At least the first plate 63 is supported by the receiving die 10 via the clamp mechanism 20B.
- the attachment 30 is removed from the mold 10 as indicated by the arrow (1). Then, the attachment 30 is rotated as shown by the arrow (2) to lower the roller 48 forward, and is moved below the receiving die 10 as shown by the arrow (3).
- FIG. 8 (a) shows the receiving mold 10 set on the rear wheel arch of the white body 60 with the clamp mechanisms 20A, 20B, and 20C (20C is behind the attachment 30). That is, the receiving die 10 is supported by the white body 60 by the clamping action of the clamping mechanisms 20A, 20B, and 20C, and the attachment 30 can be removed.
- FIG. 9 is an explanatory diagram of a hemming process according to an exemplary embodiment of the present invention, in which the robot arm 29 is moved as indicated by an arrow. Then, the auxiliary roller 51 moves along the first guide groove 12 or the second guide groove 13, and a predetermined hemming process can be performed. Details of the hemming process will be described next.
- FIGS. 10 (a) and 10 (b) are explanatory diagrams of the preliminary hemming process according to the exemplary embodiment of the present invention.
- a second plate 64 is stacked on a first plate 63 having a standing flange 65 at the lower end, and the receiving die 10 is in contact with the first plate 63.
- the auxiliary roller 51 is fitted into the first guide groove 12, and the roller 48 is moved closer to the auxiliary roller 51. This action is performed by the hydraulic cylinder 52 in FIG.
- the roller 48 and the auxiliary roller 51 are moved in the front and back direction of the drawing.
- the standing flange 65 can be bent about 45 ° by the inclined surface 66 provided on the roller 48. This bending process of about 45 ° is called preliminary hemming process.
- the roller 48 is moved away from the auxiliary roller 51, and the roller 48 and the auxiliary roller 51 are moved by a certain distance.
- FIG. 11 (a) and FIG. 11 (b) are explanatory diagrams of the present hemming process according to an exemplary embodiment of the present invention.
- the auxiliary roller 51 is fitted into the second guide groove 13, and the roller 48 is moved closer to the auxiliary roller 51.
- the roller surface 67 parallel to the support shaft 47 that is not on the inclined surface 66 faces the upright flange 65.
- the roller 48 and the auxiliary roller 51 are moved in the front and back direction of the drawing.
- the standing flange 65 can be completely bent by the roller surface 67 provided on the roller 48. This bending process is called this hemming process.
- the roller 48 may be separated from the auxiliary roller 51.
- FIG. 12 (b) is a plan view for explaining the operation at the time of receiving type setting according to an exemplary embodiment of the present invention.
- the workpiece is formed by stacking the second plate material 64 on the first plate material 63, and can face the standing flange 65 raised from the first plate material 63.
- the receiving die 10 is brought close to the first plate member 63 by the robot arm 29.
- the clamp arms 24 and 24 of the clamp mechanisms 20A and 20C provided on the receiving mold 10 are kept in an unclamped state.
- the receiving die 10 is moved as indicated by the white arrow with the robot arm 29 and the receiving surface 15 is brought into contact with the first plate 63.
- FIG. 12 (b) shows a state in which the receiving die 10 is in contact with the first plate member 63.
- FIG. 13 (a) and FIG. 13 (b) are plan views for explaining the initial operation of the roller hemming process according to the present invention.
- the cylinder arms 25 and 25 are used to rotate the clamp arms 24 and 24 to the clamp side.
- the first plate member 63 and the second plate member 64 can be sandwiched between the slider block 22 and the clamp arm 24.
- the attachment 30 is separated from the receiving mold 10.
- the receiving die 10 is supported by the first plate member 63 and the second plate member 64 via the clamp mechanisms 20A and 20C.
- the shape of the first plate member 63 and the shape of the receiving surface 15 are the same, but the first plate member 63 is affected by processing up to immediately before such as press working or welding joining. Variations in shape occur. Therefore, an inevitable gap 68 exists between the first plate 63 and the receiving surface 15.
- the auxiliary roller 51 is moved closer to the guide groove 12 or 13, and the roller 48 is moved closer to the starting point 69 of the standing flange 65.
- FIG. 13 (b) shows an initial state of the roller hemming process, where the standing flange 65 starts to be bent by the roller 48.
- the first plate member 63 and the receiving surface 15 are in close contact with each other at the contact point 70 between the roller 48 and the upright flange 65 due to the strong clamping action between the roller 48 and the auxiliary roller 51.
- the receiving surface 15 tends to be separated from the first plate 63 due to the reaction.
- Slider blocks 22 and 22 can move along rails 21 and 21 on the receiving side 10 Therefore, the receiving die 10 rotates around the contact 70 clockwise in the figure. That is, the receiving die 10 is moved as indicated by the arrow with respect to the clamping mechanism 20C on the right side of the figure.
- FIGS. 14 (a) and 14 (b) are plan views for explaining the action at the end of the roller hemming process according to the present invention.
- the receiving die 10 rotates around the contact 70 counterclockwise in the figure. In other words, the receiving die 10 is moved as shown by the arrow with respect to the clamping mechanism 20A on the left side of the figure. As a result, the adhesion at the contact 70 can be maintained.
- the hemming process is completed by separating the receiving mold 10 from the first plate 63.
- the roller hemming method of the present invention can be organized as follows.
- the second plate material is applied to the first plate material having the upright flange at the edge, and the first flange plate is bent with a roller while receiving the first plate material with the receiving mold, so that the first plate material is bent at the edge of the second plate material.
- the first plate material is brought into close contact with the receiving mold at the roller portion, but the receiving plate force is allowed to move away from the first plate material at the other portions.
- the force is such that the workpiece follows the fixed hemming die.
- the receiving die is caused to follow the fixed first plate member. Therefore, even if the first plate is a component that is difficult to squeeze, a preferred hemming process without wrinkling, undulation, or deformation can be performed.
- FIGS. 15 (a) and 15 (b) show a clamping mechanism according to another exemplary embodiment of the present invention.
- a spring 72 is attached to the tip of the clamp arm 24 of the clamp mechanisms 20A to 20C, and the first plate 63 and the second plate 64 are moved to the slider block by the elastic action of the spring 72. You may make it press to 22.
- a rubber piece 73 is attached to the tip of the clamp arm 24 of the clamp mechanisms 20A to 20C, and the first plate material 63 and the second plate material 64 are caused by the elastic action of the rubber piece 73. It is also possible to press the slider block 22 ⁇ .
- the position where the force applied to the rear wheel arch of the white body is arbitrary, and the point is that the second plate is overlapped with the first plate and the standing flange is bent and hemmed. If it is, it may be applied to any part.
- the type of workpiece that can be a general plate-like structure is not limited.
- the present invention is suitable for a white body rear wheel arch.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/993,510 US7870774B2 (en) | 2005-06-22 | 2006-06-22 | Roller hemming apparatus and roller hemming method |
GB0725042A GB2441712B (en) | 2005-06-22 | 2006-06-22 | Roller hemming device and roller hemming method |
DE112006001640T DE112006001640B4 (de) | 2005-06-22 | 2006-06-22 | Rollumschlagvorrichtung und Rollumschlagverfahren |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005182525A JP4939774B2 (ja) | 2005-06-22 | 2005-06-22 | ローラヘミング装置及びローラヘミング方法 |
JP2005-182525 | 2005-06-22 |
Publications (1)
Publication Number | Publication Date |
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WO2006137467A1 true WO2006137467A1 (ja) | 2006-12-28 |
Family
ID=37570494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/312471 WO2006137467A1 (ja) | 2005-06-22 | 2006-06-22 | ローラヘミング装置及びローラヘミング方法 |
Country Status (6)
Country | Link |
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US (1) | US7870774B2 (ja) |
JP (1) | JP4939774B2 (ja) |
CN (1) | CN101203339A (ja) |
DE (1) | DE112006001640B4 (ja) |
GB (1) | GB2441712B (ja) |
WO (1) | WO2006137467A1 (ja) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2108468A3 (en) * | 2005-12-05 | 2009-12-09 | Honda Motor Co., Ltd. | Hemming method and hemming device |
JP5101901B2 (ja) * | 2007-02-07 | 2012-12-19 | 本田技研工業株式会社 | ヘミング加工方法及びヘミング加工装置 |
DE202009005111U1 (de) * | 2009-08-05 | 2010-12-30 | Kuka Systems Gmbh | Falzeinrichtung |
KR101163696B1 (ko) * | 2009-12-03 | 2012-07-09 | 기아자동차주식회사 | 차량의 휠 하우스용 헤밍장치 |
JP5288047B2 (ja) * | 2010-09-24 | 2013-09-11 | 日産自動車株式会社 | ローラーヘミング加工システム |
DE102010041394A1 (de) * | 2010-09-27 | 2012-03-29 | Bayerische Motoren Werke Aktiengesellschaft | Rollbördelanlage |
US8640320B2 (en) * | 2011-02-10 | 2014-02-04 | GM Global Technology Operations LLC | Method of joining by roller hemming and solid state welding and system for same |
JP5874389B2 (ja) * | 2011-12-27 | 2016-03-02 | トヨタ自動車株式会社 | ローラーヘミング装置 |
US20140196516A1 (en) * | 2013-01-17 | 2014-07-17 | Hirotec America, Inc. | Rotary wheelhouse roller hemming assembly |
JP6405961B2 (ja) * | 2014-03-06 | 2018-10-17 | 日産自動車株式会社 | ロールヘミング加工方法およびロールヘミング加工装置 |
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EP3305431B1 (en) * | 2016-10-10 | 2023-09-27 | Comau S.p.A. | Hemming apparatus and hemming method |
CN106523493B (zh) * | 2016-11-15 | 2019-03-05 | 大同新成新材料股份有限公司 | 一种受电弓滑板包边机 |
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JP7294869B2 (ja) * | 2019-04-25 | 2023-06-20 | 株式会社Subaru | ローラヘム加工装置及び該装置を用いた予備曲げ加工方法 |
CN110328266B (zh) * | 2019-08-16 | 2024-04-09 | 江苏三迪机车制造有限公司 | 折边组件及折边方法 |
CN111687264B (zh) * | 2020-06-19 | 2022-04-22 | 中国科学院工程热物理研究所 | 一种用于托板螺帽的扇形托板的制备装置及方法 |
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-
2006
- 2006-06-22 WO PCT/JP2006/312471 patent/WO2006137467A1/ja active Application Filing
- 2006-06-22 CN CNA2006800224631A patent/CN101203339A/zh active Pending
- 2006-06-22 GB GB0725042A patent/GB2441712B/en not_active Expired - Fee Related
- 2006-06-22 DE DE112006001640T patent/DE112006001640B4/de not_active Expired - Fee Related
- 2006-06-22 US US11/993,510 patent/US7870774B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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GB2441712B (en) | 2010-09-29 |
DE112006001640B4 (de) | 2011-03-17 |
DE112006001640T5 (de) | 2008-09-25 |
CN101203339A (zh) | 2008-06-18 |
GB0725042D0 (en) | 2008-01-30 |
US7870774B2 (en) | 2011-01-18 |
US20100154503A1 (en) | 2010-06-24 |
JP4939774B2 (ja) | 2012-05-30 |
JP2007000889A (ja) | 2007-01-11 |
GB2441712A (en) | 2008-03-12 |
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