Steel pipe surface coating device for steel pipe coating processing

The utility model discloses a steel pipe surface coating device for coated steel pipe processing, which belongs to the technical field of coated steel pipe processing and comprises a coating box body, one side of the interior of the coating box body is movably connected with a moving plate through a driving structure, one side wall of the moving plate is connected with a coating storage box body, and the coating storage box body is connected with a coating. The top end of the coating storage box body is connected with a feeding port, a suction pump is assembled at the bottom end of the interior of the coating storage box body, and an outlet of the suction pump is connected with a connecting pipeline; by arranging the coating box body, the moving plate, the driving structure, the paint storage box body, the suction pump, the fixed plate, the high-voltage electrostatic spray gun, the connecting pipeline, the rotating structure, the coating box door, the controller and the transparent observation window, the inn