Brake disc spraying positioning device

The utility model belongs to the field of brake disc spraying positioning, and particularly relates to a brake disc spraying positioning device which comprises a main plate. A positioning spraying device is mounted at the top of the main plate; a cylindrical positioning cavity is formed in the positioning box; a sliding groove is formed in the end, close to the positioning box, of the top of the main plate. Guide rails are installed on the two sides of the top of the sliding groove. A spraying cavity is formed in the spraying box; a nozzle is formed in the inner wall of the spraying cavity; a recovery device is mounted at the other end of the top of the main plate; a collecting pipe is mounted at the bottom of the liquid pumping pipe; a feeding pipe is mounted on the transverse pipe; a liquid pumping machine is mounted outside the section of the feeding pipe in a sleeving manner; the end part of the feeding pipe is connected with the coating box; through the combined action of the positioning spraying device