Resistance spot welding gun and transformer assembly

Details Resistance spot welding gun and transformer assembly Resistance spot welding gun and transformer assembly

1984-04-30

1987-08-04

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219 8641, 219 911, 219116, 901 42, B23K 1132

Patent

active

046847782

ABSTRACT:
An assembly is provided for mounting on an end of a robot arm actuator as an integral spot resistance welding gun and transformer unit. A gun slide support bracket is connected to the transformer and serves to provide a mount for a sliding gun cylinder having a piston connected to one of the jaw electrodes. The lower jaw is removably connected to the cylinder. Roller shunts are used to provide electrical connection between secondary terminals on the transformer and the two electrodes. A proximity switch assembly is advantageously utilized to provide signals to the robot controller indicating a fully retracted position of the jaws.

REFERENCES:
patent: 2063257 (1936-12-01), Martin
patent: 2244508 (1941-06-01), Von Henke et al.
patent: 2299247 (1967-01-01), Waltonen
patent: 2349835 (1944-05-01), Strickland, Jr.
patent: 2471881 (1949-05-01), Manning et al.
patent: 2650977 (1953-09-01), Welch
patent: 3136879 (1964-06-01), Waltonen
patent: 3270604 (1966-09-01), Waltonen
patent: 3396260 (1968-08-01), Waltonen
patent: 3654616 (1972-04-01), Dunne et al.
patent: 4098161 (1978-07-01), Bloch

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