The utility model discloses a
polishing device for high-precision screw
machining, which comprises an operating platform, a groove is arranged on the operating platform, two threaded blocks are slidably arranged in the groove and connected through an
elastic component, a first clamping component is arranged on the two threaded blocks, a driving mechanism is arranged in the groove, and a second clamping component is arranged on the driving mechanism. A second clamping
assembly is further installed on the operation table and comprises an installation ring, second springs are symmetrically arranged on the inner wall of the installation ring, the ends of the second springs are connected with a limiting plate, a heating plate is arranged in a transverse plate where the limiting plate is located, and a
grinding device body is arranged on the operation table. According to the
grinding device for
machining the high-precision screw, the stability of the screw in the
machining process is improved through cooperation between the first clamping
assembly and the second clamping
assembly, the heating plate is arranged in the limiting plate of the second clamping assembly, thermal stress caused by
temperature difference in the
grinding process of the screw can be effectively reduced, and the grinding quality of the screw is improved. The service life is prolonged.