发明公开
EP0121909A1 Industrial robot spot welding arrangement using single welding electrode
失效
Einzelelektrode的工业技术人员Punktschweisseinrichtung mit Einzelelektrode。
- 专利标题： Industrial robot spot welding arrangement using single welding electrode
- 专利标题（中）： Einzelelektrode的工业技术人员Punktschweisseinrichtung mit Einzelelektrode。
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申请号： EP84103800.3申请日： 1984-04-05
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公开(公告)号： EP0121909A1公开(公告)日： 1984-10-17
- 发明人: Engelberger, Joseph F.
- 申请人： UNIMATION INC.
- 申请人地址： Shelter Rock Lane Danbury Connecticut 06810 US
- 专利权人： UNIMATION INC.
- 当前专利权人： UNIMATION INC.
- 当前专利权人地址： Shelter Rock Lane Danbury Connecticut 06810 US
- 代理机构： Bauer, Robert, Dipl.-Ing.
- 优先权： US482401 19830406
- 主分类号： B23K11/10
- IPC分类号： B23K11/10
摘要：
An industrial robot is employed to perform single electrode spot welding operations by providing a fixed back up plate (20) spaced from the workpiece (14) and shaped to conform to the contour of the workpiece. A single welding electrode (16) is mounted on one piston of a dual piston cylinder (30) which is carried by the manipulator arm (32) and is positioned between the workpiece (14) and the back up plate (20) in alignment with a desired spot weld point. When fluid under pressure is supplied to the cylinder (30), one piston moves the welding electrode (16) down into engagement with the workpiece (14) and the other piston moves upwardly into engagement with the back up plate (20). With this arrangement the arm moving means of the industrial robot is not called upon to develop or withstand the large force exerted on the welding electrode (16), which is necessary to develop a suitable spot weld.
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