Patent ID: 6293454
Filing Date: 2001-09-25
Classification: B23K

Abstract:
A unit for positioning and welding body parts of different motor vehicle models, the unit comprising:an assembly frame;a conveyor, the assembly frame being guidable on said conveyor and having mounts for at least some body parts, with positioning elements for body parts and with clamping devices for continuously bracing the body parts relative to each other on the assembly frame;at least one robot that can be used for welding operations;a plurality of auxiliary assembly frames;an additional conveyor arranged under said conveyor, said additional conveyor guiding any one of said auxiliary assembly frames;parking positions for said auxiliary assembly frames provided next to said lower conveyor, said auxiliary assembly frames having mounts for additional body parts of different motor vehicle models as well as elements for positioning said additional body parts relative to an associated auxiliary assembly frame and a bracing device for bracing the auxiliary assembly frame to the assembly frame with parts on the auxiliary assembly disposed relative to parts on the assembly frame; anda lifting device for lifting any one of said auxiliary assembly frames.