Automatic device for changing an electric welding gun, operated

Details Automatic device for changing an electric welding gun, operated Automatic device for changing an electric welding gun, operated

1981-06-16

1983-10-11

Goldberg, Elliot A.

Electric heating

Metal heating

By arc

219 868, 2191251, B23K 924

Patent

active

044094647

ABSTRACT:
An automatic device for changing an electric welding gun, operated by the arm (11) of a manipulator, in which two elements (10, 50), one carried by the manipulator arm and the other by the gun, can be connected together by the first element being made to approach and fit into the second; each element is provided with ducts (13) for passage of the liquid for cooling and controlling the opening of the electrodes (63); valve units (31) connect said ducts (13) to each other when the two elements (10, 50) are fitted together; the approach of the two elements is guided and checked, and hydraulically controlled hook portions (42, 71) lock together and separate the elements in accordance with the programming of the manipulator; each element is also provided with male cones (66) and female cones (16) provided on or in copper units (14) in order to fit into each other and establish electrical contact between the manipulator and gun.

REFERENCES:
patent: 3148264 (1964-09-01), Clark
patent: 4142086 (1979-02-01), Rotillo
patent: 4307279 (1981-12-01), Inoue
patent: 4316071 (1982-02-01), Bonga

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