Welding process for swing arm mounting bracket of new energy automobile chassis system

The invention relates to the technical field of swing arm mounting bracket welding technologies, and provides a new energy automobile chassis system swing arm mounting bracket welding technology which comprises a welding device, the welding device is adopted for welding a mounting bracket, the mounting bracket comprises a cylindrical part, a middle plate and a main body part which are sequentially connected, and the welding technology comprises the following steps that S1, the cylindrical part is welded to the top face of the middle plate; s2, the main body piece is welded to the bottom face of the middle plate; the welding device comprises a first-sequence welding unit and a second-sequence welding unit, the first-sequence welding unit is firstly adopted to carry out the step S1, then the second-sequence welding unit is adopted to carry out the step S2, or only the second-sequence welding unit is adopted to carry out the step S1 and the step S2 in sequence. By means of the technical scheme, the problems that