Air-cooling butt-welding device

The utility model relates to the technical field of welding, in particular to an air-cooling butt-welding device. The air cooling butt-welding device comprises a support, a welding head mechanism, a jig and an air cooling mechanism, the support comprises a transverse supporting plate and a vertical supporting plate, the transverse supporting plate is connected with the vertical supporting plate, the welding head mechanism is installed on the vertical supporting plate, the jig is installed on the transverse supporting plate, and the air cooling mechanism comprises a ventilation assembly. An outlet of the ventilation assembly is formed in the side of the welding head mechanism and the side of the jig. Due to the fact that the welding head mechanism and the jig can generate heat in the working process, in order to take away the generated heat in time, an outlet of the ventilation assembly is formed in the side of the welding head mechanism and the side of the jig, and the air cooling mechanism is communicated wi