Spot welding head

Details Spot welding head Spot welding head

B - Operations, Transporting

23

K

B23K 9/007 (2006.01) B23K 11/11 (2006.01) B23K 11/31 (2006.01)

Patent

CA 2199667

The spot welding head comprises a spot electrode 6, a spot electrode supporter 3 holding the electrode 6 on its tip, a base member 2 holding the supporter 3 in such a manner that the supporter can swing on a first pin 4, a frame 1 holding the base member 2 in such a manner that the member can swing on a pivot pin 14 as a second pin, a guide 17 for guiding the base member 2 relatively to the frame 1 in such a manner that the member can slide longitudinally, a first actuator 5 connected at its one end to the supporter 3 for swinging the supporter relatively to the base member 2 when a steel strap is spot-welded, and a second actuator 9 connected at its one end to the frame 1 and at its other end to the base member 2 for swinging or sliding the member relatively to the frame.

L'invention porte sur une tête de soudage par point. Cette dernière comporte : une électrode à soudure par points 6; un support 3 soutenant cette dernière 6 sur sa pointe; une base 2 supportant le support 3 de manière que ce dernier puisse pivoter autour d'une première tige 4; un cadre 1 retenant la base 2 de façon que cette dernière puisse tourner autour d'un pivot 14 agissant comme seconde tige; un guide 17 pour guider la base 2 relativement au cadre 1 de manière que la base puisse coulisser longitudinalement; un premier actionneur 5 relié par une des ses extrémités au support 3, ce qui lui permet de faire pivoter ce dernier par rapport à la base 2 lorsqu'un feuillard d'acier est soudé par points; et un second actionneur 9 relié au cadre 1 par une extrémité et, à la base 2 par l'autre extrémité afin de faire pivoter ou coulisser la base relativement au cadre.

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