Electric heating – Metal heating – By arc
Patent
1988-06-21
1989-11-28
Shaw, Clifford C.
Electric heating
Metal heating
By arc
901 42, B23K 912
Patent
active
048839396
ABSTRACT:
A robot using a shielded-arc welding torch has an automatic tool change station in a small area of the work envelope. An effector adaptor is attached to the robot effector. The torch is secured to a tool adaptor. The tool adaptor body has a pair of semi-circular shells around it, with upper and lower mounting flanges on each of the shells and projecting in directions radially outward from the tool adaptor. A groove in the effector adaptor receives the upper flanges which are locked in the grooves by outward spring bias on the shells. A tool changer at the tool change station has a pair of grippers operable on the shells to squeeze them toward each other to remove the upper flanges from the effector adaptor groove, and remove the tool adaptor from the effector adaptor. A tool storage magazine has a retainer groove at each of multiple circularly-spaced tool receiving pockets. The lower flanges are biased outward into locking engagement with the retainer groove when the squeezing force of the grippers is released after deposit of the tool adaptor in the magazine. Connectors for electric, water and gas transmission are included in the adaptors, as is a set of guide and cutter assemblies for welding wire. Cutter operating jaws are provided at the tool change station.
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Automatic Tool Control and Management Systems, Inc.
Shaw Clifford C.
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