Improved welding head fixing device

The invention discloses an improved welding head fixing device which comprises a base. Universal wheels are arranged on vertex angles of the bottom end of the base; balance weight components are arranged on all side parts of the base; and a support assembly is arranged in the middle of the bottom end of the base. The improved welding head fixing device provided by the invention is scientific and reasonable in structure, and safe and convenient to use; through the balance weight blocks, the gravity center of the fixing device can be effectively reduced, and the occurrence of a dumping phenomenon occurred when the fixing device is used for fixing a welding head is prevented; through installation clamp slots, installation clamp plates and fixed rubber rings, the balance weight blocks and thebase can be tightly connected fixedly, so that the balance weight blocks are prevented from being separated; through support plates, antiskid rubber pads and antiskid bulge balls, the bottom end of the base can be support, an