Gas shielded welding machine

The utility model relates to a gas shielded welding machine, which belongs to the technical field of electric welding machine equipment and comprises a support, an electric welding machine, a wire feeding mechanism and a welding gun, the electric welding machine is placed on the support, the wire feeding mechanism is fixedly connected to the top end of the support, and a wire guide pipe is arranged on the wire feeding mechanism and connected with the welding gun. A stand column fixing part is fixedly connected to the position, close to the side face, of the base, a stand column telescopic partis slidably connected to the upper portion of the stand column fixing part, a swing arm rotating part is rotatably connected to the upper end of the stand column telescopic part, and a swing arm telescopic part is slidably connected to the side, away from the stand column telescopic part, of the swing arm rotating part and fixedly connected with the wire feeding mechanism. The device has the effects of expanding the weld