Tire body transfer ring clamping device of tire forming machine

The utility model relates to a tire body transfer ring clamping device of a tire forming machine. A plurality of absorption units are distributed on the circle of a main body frame of a transfer ring, fixing seats of the absorption units are fixedly arranged at the main body frame, a pair of synchronous belt wheels is arranged on each fixing seat, a gear is coaxial with one of the synchronous belt wheels, and the gear is meshed with gear racks. A magnet installing plate with a permanent magnet is fixedly arranged at the lower end of the gear racks. The gear racks with guide grooves are arranged at the fixing seats and are located on the semi-diameter of the main body frame. An air cylinder is fixedly arranged at an installing seat, a piston of the air cylinder is connected with one end of a synchronous belt, the synchronous belt is sequentially meshed with the synchronous belt wheels of the absorption units, and the other end of the synchronous belt is connected with the installing seat. The piston of the air