Hot shell nosing spinning roller swinging device

The utility model relates to a hot shell nosing spinning roller swinging device and belongs to hot shell noising devices of numerical control spinning equipment. A swinging oil cylinder and a rotating base are both fixed to a swinging base body, the rotating base is a rotating support of a swinging shaft, the swinging shaft is in threaded connection with a swinging plate, a locking mechanism is fixedly connected with the upper end of the swinging plate, a lead screw on the locking mechanism is fixedly connected with the rotating base which is sliding connection with the swinging plate, a rack is meshed with a gear in the swinging oil cylinder, the gear and the swinging shaft are fixedly connected through keys, a ruler optical grating is fixedly connected with a swinging oil cylinder body, and an optical grating reading head is fixedly connected with the rack. The hot shell nosing spinning roller swinging device has the advantages that the structure is novel, a large number of materials and the machining cost are saved, the high closed-loop control precision is guaranteed, operation is easy and convenient, and positions are accurate.