Prosthesis positioning device

The utility model discloses a prosthesis positioning device which comprises a shell, one side of the shell is fixedly connected with a fixing seat, the outer side of the fixing seat is symmetrically and rotationally connected with rotating rods, one end of each rotating rod is fixedly connected with a connecting seat, one side of each connecting seat is fixedly connected with an installing seat, and sliding grooves are symmetrically formed in the installing seat. A sliding block is slidably connected into the sliding groove, a limiting block is fixedly connected to one side of the sliding block, an arc-shaped clamping plate is arranged on one side of the connecting base, and clamping grooves used in cooperation with the limiting block are symmetrically formed in the arc-shaped clamping plate. The prosthesis clamping device has the advantages that the connecting frame, the rotating rod, the connecting base and the arc-shaped clamping plate are arranged, so that the function of clamping and positioning a prosth