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公开(公告)号：EP0819496A3
公开(公告)日：2002-03-20
申请号：EP97112178.5
申请日：1997-07-16
CPC分类号： B23K11/317 , B23K11/318
摘要： In opposition to a lower electrode (31) fixed to a frame (3), an upper electrode (29) is carried by an upper pressing base (23), which is engaged with a vertical guide rail (25) and joined by a resilient slide mechanism to a piston rod (35L) of a hydraulic cylinder (35) connected to a hydraulic circuit operable for an increased distance (L3) between electrode shanks (15, 7) and fastened at a head end thereof to a lower pressing base (33), which is engaged with the guide rail and joined to a piston rod (37L) of an air cylinder (37) fastened at a head end thereof to the frame and connected to a pneumatic circuit operable for supplying a balancing pressure to have the piston rod (37L) thereof contracted to stand with a total load and for relieving the pressure when a mechanical valve (85) is operated with a pedal arm (49) stepped down for starting a welding, while the pneumatic circuit is changed over by a limit switch (57) to force down the lower pressing base.
摘要翻译： 与固定于框架（3）的下部电极（31）相对，上部电极（29）由与上述垂直导轨（25）卡合的上部按压基座（23）承载， 滑动机构连接到连接到液压回路的液压缸（35）的活塞杆（35L），所述液压回路可操作以在电极杆（15,7）之间增加距离（L3），并将其头端紧固到下压制基座 33），其与导轨接合并连接到气缸（37）的活塞杆（37L），气缸（37）的头端紧固在框架上，并连接到气动回路，气动回路可用于提供平衡压力以使 活塞杆（37L）以总负载收缩而放置，当机械阀（85）在踏板臂（49）下降以进行焊接的情况下操作时，释放压力，同时气动回路由 限位开关（57）迫使下压底座。
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公开(公告)号：EP0685290B1
公开(公告)日：1999-08-11
申请号：EP95107400.4
申请日：1995-05-15
IPC分类号： B23K11/31
CPC分类号： B23K11/314
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公开(公告)号：EP0819496A2
公开(公告)日：1998-01-21
申请号：EP97112178.5
申请日：1997-07-16
CPC分类号： B23K11/317 , B23K11/318
摘要： In opposition to a lower electrode (31) fixed to a frame (3), an upper electrode (29) is carried by an upper pressing base (23), which is engaged with a vertical guide rail (25) and joined by a resilient slide mechanism to a piston rod (35L) of a hydraulic cylinder (35) connected to a hydraulic circuit operable for an increased distance (L3) between electrode shanks (15, 7) and fastened at a head end thereof to a lower pressing base (33), which is engaged with the guide rail and joined to a piston rod (37L) of an air cylinder (37) fastened at a head end thereof to the frame and connected to a pneumatic circuit operable for supplying a balancing pressure to have the piston rod (37L) thereof contracted to stand with a total load and for relieving the pressure when a mechanical valve (85) is operated with a pedal arm (49) stepped down for starting a welding, while the pneumatic circuit is changed over by a limit switch (57) to force down the lower pressing base.
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公开(公告)号：EP0685290A1
公开(公告)日：1995-12-06
申请号：EP95107400.4
申请日：1995-05-15
IPC分类号： B23K11/31
CPC分类号： B23K11/314
摘要： In a spot welding apparatus in which a column (7) is stood on a base (5) provided with a worktable (3) for supporting work (W); and a welding arm (15) having an electrode (13) at a free end portion thereof is pivotally supported up and down at a lower portion of a support cylinder (11) hung from a support beam (9) supported by the column (7) horizontally, the spot welding apparatus comprises an arm supporting section (47) for supporting support members (49, 55, 53, 57) for pivotally supporting the welding arm (15), so as to be movable up and down relative to the support cylinder (11) and further urged upward; and an arm pressing section (37) for pressing a free end portion of the welding arm (15) downward against an urging force of the arm supporting section.
摘要翻译： 在立柱（7）位于设置有用于支撑工件（W）的工作台（3）的基座（5）上的点焊装置中; 并且在其自由端部具有电极（13）的焊接臂（15）在从由柱（7）支撑的支撑梁（9）悬挂的支撑筒（11）的下部处被上下可枢转地支撑 ），所述点焊装置包括用于支撑用于枢转地支撑所述焊接臂（15）的支撑构件（49,55,53,57）的臂支撑部（47），以便能够相对于所述支撑件上下移动 气缸（11）并进一步向上推动; 以及用于将所述焊接臂（15）的自由端部抵抗所述臂支撑部的推压力向下方而压下的臂按压部（37）。
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