Grinding device for rotary target material

The utility model relates to the technical field of rotary target material production, and discloses a rotary target material polishing device which comprises a target material placing plate, the two sides of the middle of the target material placing plate are fixedly connected with first electric telescopic rods, and the other ends of the first electric telescopic rods are fixedly connected with a target material fixing plate. The top of the target material fixing plate is movably connected with a target material fixing ring, and an exhaust fan is placed on the ground on one side of the target material placing plate. According to the polishing device for the rotary target material, through arrangement of an elastic inflatable cushion, the size of the elastic inflatable cushion can be changed according to requirements, and the polishing device can fix target materials of different sizes; and the distance between the target material fixing plate and the target material placing plate which are fixedly connected