Positioning compensation device for machine tool accessory machining

The utility model relates to the technical field of machine tool accessory machining, in particular to a positioning compensation device for machine tool accessory machining. According to the technical scheme, the device comprises a supporting plate, a rotating disc and a clamping block, a positioning block is fixedly installed at the top of the supporting plate, a sliding rod is fixedly installed at the position, on one side of the positioning block, of the top of the supporting plate, and a motor is fixedly installed at the position, on one side of the sliding rod, of the top of the positioning block; a limiting plate is fixedly mounted at the top of the positioning block. According to the device, the rotating disc, the limiting plate and the fixing plate are matched with one another, the rotating disc is meshed with the meshing teeth, the meshing teeth can be driven to rotate synchronously by rotating the rotating disc, the fixing plate can be driven to move mutually, and the limiting plate can be driven t