Stopper device in a welding robot gun

Details Stopper device in a welding robot gun Stopper device in a welding robot gun

1991-09-04

1993-03-30

Evans, Geoffrey S.

Electric heating

Metal heating

For bonding with pressure

219 8625, B23K 1110, B23K 1131

Patent

active

051986337

ABSTRACT:
A stopper device in a welding robot gun is capable of increasing the amount of movement of the upper arm and reducing the amount of movement of the lower arm or vice versa by adjusting the protruding amount of the stopper bolt from the rear wall of the stopper cylinder inside the stopper cylinder and of preventing the upper and lower arms from moving unstably from the state where the welding gun is open to the state where a pressure cylinder supplies fluid under pressure. The stopper device comprises a cradle, a stopper cylinder having a rod fixed to the cradle, a tip end of the rod connected to a rear end of the upper arm by way of a link wherein the stopper cylinder has a front chamber provided with a fluid supply and discharge port and a rear wall into which an adjustable stopper bolt is screwed so as to protrude deep or slight therefrom inside the stopper cylinder.

REFERENCES:
patent: 4267424 (1981-05-01), Shimatake et al.
patent: 4425073 (1984-01-01), Mattsson
patent: 4517435 (1985-05-01), Humblot
patent: 4831228 (1989-05-01), Schumacher
patent: 4879447 (1989-11-01), Umeda
patent: 4910373 (1990-03-01), Fuse
patent: 5111018 (1992-05-01), Nishiwaki et al.

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