Floating center device capable of assisting in clamping

The invention provides a floating center device capable of assisting in clamping, and relates to the technical field of clamps, and the floating center device is characterized in that the floating center device is used for clamping and fixing parts in numerical control gang tool machining and comprises a bridge plate, and the bottom of one side of the bridge plate is connected with a clamping mechanism used for enabling the parts to rotate at a high speed along with a main shaft; the bottom of the other side of the bridge plate is connected with a jacking mechanism used for jacking a part. The jacking mechanism comprises an air cylinder, a sliding plate and a buffer, the air cylinder faces the clamping mechanism, the output end of the air cylinder is connected with the upper portion of the sliding plate, the buffer is rotationally arranged on the lower portion of the sliding plate, and the buffer acts on the axial outer wall of the part in an abutting mode. The floating center device capable of assisting in c