DEVICE FOR SPOT WELDING OF STRUCTURES CONSTITUTED BY METAL ELEMENTS, PARTICULARLY MOTOR-VEHICLE BODIES OR SUB-ASSEMBLIES THEREOF

摘要

A welding station, for example for weldingmotor-vehicle bodies, receives only a part of the structureto be welded from a conveyor line, the remainingcomponents of the structure being assembled with saidpart (3) at the welding station itself, by means of twolocating gates (6,7) which receive said components frommanipulating robots (10), said robots also providingfor carrying out the spot welding of the structure oncethe latter has been assembled and locked in a properwelding position by said locating gates (6, 7). Thelocating gates are provided with self-propelled lowertrolleys guided on rails, in order to be rapidlyinterchanged with another pair of locating gatesadapted to a different type of body.