Clamping device for fusion welding of automobile part

The invention discloses a clamping device for fusion welding of an automobile part. The clamping device comprises a clamping mechanism, a carrying mechanism and a controller, wherein the clamping and fixing mechanism comprises a first supporting plate, a first motor, a first hinge arm, a second motor, a second hinge arm, a third motor, a third hinge arm, a fourth motor, a storage table, a servo motor, a bevel worm gear, three bevel worms, three lead screws, three sliding blocks and three asynchronous motors, and the interior of the first supporting plate is in threaded connection with the first motor through a screw. The servo motor, the bevel worm gear, the bevel worms, the lead screws, the sliding blocks and calipers in the clamping mechanism are matched, so that the requirement for clamping and displacement splicing of multiple sets of welding parts loaded at the same time is met, the requirement for precise centering of the distance between the parts can be met through the bevel worm gear in the displacement period, and the relative angle between the parts can be adjusted freely through the asynchronous motors, so that workers are assisted in completing the welding task.