Four -axis linkage laser welding device

The utility model discloses a four -axis linkage laser welding device, including system control cabinet (1), workstation (2) and laser welder head (3), the workstation setting system control cashier's office in a shop, be equipped with L die bed seat (4), cantilever crossbeam (5) and rotatory work platform (6) on the workstation, the cantilever crossbeam is installed on vertical arm (41) of L die bed seat, and L die bed seat and cantilever crossbeam constitute X, Y, Z's three -dimensional cantilever structure, rotatory work platform fixes on the workstation and sets up the one side at L die bed seat, install X axle drive mechanism on xarm (42) of L die bed seat, install Y axle drive mechanism on the vertical arm of L die bed seat, install Z axle drive mechanism on the cantilever crossbeam. The utility model discloses can realize the linkage of welding set in X axle Y axle Z axle and four degrees of freedom on the rotation axis to reach the girth welding of the high accuracy of work piece, and the control proc