Automatic die repairing device for fixed welding tongs

The invention relates to an automatic die repairing device of a fixed electrode holder, which comprises a stroke adjusting assembly, an automatic grinding assembly and a scrap collecting assembly, the automatic grinding assembly is connected with the stroke adjusting assembly, the stroke adjusting assembly is provided with stroke adjustment in two directions, namely an X direction and a Z direction, the stroke adjusting assembly moves in the X direction and the Z direction respectively, and the scrap collecting assembly is connected with the automatic grinding assembly. And the automatic grinding assembly is driven to move in the X direction and the Z direction. According to the spot welding equipment, the stroke adjusting assembly, the automatic grinding assembly and the waste chip collecting assembly are arranged and used for achieving automatic mold repairing of the equipment in the spot welding process, and meanwhile waste chips generated in the automatic mold repairing process are collected. 本发明涉及一种固定焊钳的