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Method for roll hemming and apparatus thereof

A technology of curling device and roller, which is applied in the field of roller curling and roller curling device, which can solve the problems of affecting the appearance of the board, poor versatility, and inability to withstand pressure properly, so as to achieve the effect of enhancing versatility

Inactive Publication Date: 2008-04-23
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the backup roller is too long, it may interfere with the raised portion of the lower part of the plate depending on the shape of the plate, so it is less versatile
Conversely, if the backup roller is too short, it is more versatile, but cannot properly withstand a wide range of pressures
Back-up rollers may leave press marks on the lower surface of the slab along the back-up roller end path as they roll, affecting the appearance of the slab

Method used

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  • Method for roll hemming and apparatus thereof
  • Method for roll hemming and apparatus thereof
  • Method for roll hemming and apparatus thereof

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Embodiment Construction

[0041] Hereinafter, a roller hemming method and a roller hemming device according to various embodiments of the present invention will be described with reference to FIGS. 1 to 17 of the accompanying drawings.

[0042] As shown in FIG. 1 , a roller hemming device 10 according to an embodiment of the present invention is a device for roller hemming a workpiece W including an outer plate 12 and an inner plate 14, and includes a device for supporting the workpiece thereon. A processing table (movable unit) 16 of W, a robot (mobile unit) 18 and a processing tool 20 mounted on the distal end of the robot 18 . The workpiece W can be loaded onto and unloaded from the processing table 16 by means of a specific automatic workpiece changer.

[0043] The processing table 16, robot 18 and processing tool 20 are controlled by a platform controller 22, a robot controller 24 and a tool controller 26, respectively. Platform controller 22 , robot controller 24 and tool controller 26 are synch...

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Abstract

A roll hemming method and a roll hemming apparatus. The roll hemming apparatus (10) for bending the flange (30) of an outer panel (12) vertically extended from the bent part (12a) of the outer panel (12) to the inner side of the outer panel (12) comprises a robot (18) and a working tool (20) fitted to the tip of the robot (18). The working tool (20) comprises a first roller (34) supporting the bent part (12a) and a second roller (36) pressing the part of the flange (30) positioned near the bent part (12a) supported by the first roller (34), and is integrally moved along the bent part (12a). The orientation and the attitude of the second roller (36) are set by first to fourth cylinders (38a) to (38d).

Description

technical field [0001] The present invention relates to a roller hemming method and a roller hemming device for bending a hemming as an upright edge of a board toward the inner side of the board. Background technique [0002] Automobile hoods, trunks, doors, and cabs have edges that are hemmed by bending the hem that is the standing edge of the panel toward the inside of the panel. One known hemming process is to position and hold the panel on a mold and to bend the hem by pressing a roller against the hem at one end of the panel. According to the roller hemming process, because the hemming is bent at a large angle, the hemming is rolled through multiple stages including the pre-bending stage (or called the pre-hemming stage) and the finishing stage (or called the main hemming stage). Edge to obtain the desired curling accuracy. [0003] The roller hemming process that has been proposed includes the process of rolling the roller along the guide plane of the mold to obtain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D19/04B21D39/02
CPCB21D39/023B21D39/021Y10T29/53791B21D19/04B21D39/02
Inventor 长谷川荣作儿玉彰齐藤仁
Owner HONDA MOTOR CO LTD