Clamping device for fixing coil rotating shaft

The utility model relates to the technical field of fixing and clamping devices, and discloses a clamping device for fixing a coil rotating shaft, which comprises a machine body, two upper sliding chutes are fixedly arranged at the top of the machine body, a first sliding block is connected in the upper sliding chutes in a sliding manner, an air cylinder is fixedly arranged below the first sliding block, a clamping head is fixedly arranged below the air cylinder, and the clamping head is fixedly connected with the machine body. Anti-skid protrusions are evenly distributed on the two sides of the chuck, a part of each anti-skid protrusion is located in the chuck, a baffle is fixedly arranged at the bottom of each anti-skid protrusion, a spring is fixedly arranged at the bottom of each baffle and fixedly welded in the chuck, and a limiting plate is fixedly arranged at the joint of each anti-skid protrusion and the surface of the chuck. According to the utility model, the chuck clamping plate can adapt to the sh