Electric welding device for line angle iron cross arm production

The invention discloses an electric welding device for line angle iron cross arm production, and relates to the technical field of BBBs, the electric welding device comprises a receiving disc seat used for collecting welding slag, a discharging port is formed in the surface of the receiving disc seat, a transverse plate frame is connected to the middle of the bottom end of the receiving disc seat, a large rotary table is installed at the rear end of the transverse plate frame, and the electric welding device further comprises a composite disc body; the composite disc body is installed on a large rotary table and comprises a rotary disc rotationally connected with the large rotary table. According to the electric welding device for line angle iron cross arm production, cooled cold air is blown to the welding assembly and the positioning assembly in a face-to-face mode, the welding assembly and the cross arm body can be cooled at the same time, and a short cold air field can be formed between the composite disc