WELDING APPARATUS FOR MOTORCAR BODY

A welding apparatus for a motorcar body characterized in that -there is provided a welding station into which a motorcar body previously applied with an additional welding opration is to be introduced, and plural gun magazines for supporting respective welding guns are disposed on the outside of a setting position for the motorcar body instroduced therein, and a framework which is so built so as to surround the welding station is provided with a welding robot mounted thereon, and a robot main body of the welding robot is so provided on the framework as to be movable in the front and rear directions and in the left and right directions, and a wrist portion provided on. a lower end of an upwardly and downwardly movable robot arm extending downwards from the robot main body is so arranged that every one of the respective weling guns on the respective gun magazines may be selectively attached thereto detachably for being replaceable one with another, so that by replacing these welding guns one with another, such portions of the motorcar body that remained unwelded at the time of additional welding operation may be welded thereby.