Welding device

The utility model relates to a machinery, in particular to welding device contains the fixing base, with the supporting bench that the fixing base is connected, with prop up the extension arm that supporting bench links to each other, be located welding device on the extension arm, welding device passes through the electrical property wire and is connected with the power, welding device pass through the rotary rod with the extension arm is connected, the rotary rod contains barrel and pole main part, the barrel is located the outside of pole main part, be equipped with the fan on the supporting bench, the fan passes through the bolt fastening and is in prop up on the supporting bench, the fixing base is the box structure, just the fixing base upper surface is equipped with through hole plate, compares with prior art, and at the during operation, this welding device stable in structure accomplishes automatic cleaning simultaneously, guarantees the clean and tidy of welding device, guarantees the equipment safe