PCD (Poly Crystal Diamond) crescent groove milling cutter and turning blade repairing platform

The invention discloses a PCD (Poly Crystal Diamond) crescent groove milling cutter and a turning blade repairing platform, and relates to the technical field of diamond crescent groove milling cutter processing. A PCD diamond crescent groove milling cutter and turning blade repairing platform comprises a working platform, a storage box is fixedly connected to the surface of the bottom of the working platform, a mounting block is fixedly connected to the surface of the top of the working platform, a speed regulator is fixedly mounted on the surface of the mounting block, and a gearbox is mounted on the surface of the top of the working platform; a connecting shaft is fixedly mounted on an output shaft head of the gearbox, and a concentric-square-shaped block is fixedly connected to the surface of the right end of the connecting shaft. A threaded rod is screwed, the threaded rod pushes a third bearing to slide downwards, so that the third bearing pushes a clamping block to slide, a diamond milling cutter is co