Novel numerical control machine tool guide rail protective cover

The utility model discloses a novel numerical control machine tool guide rail protective cover which comprises a bottom plate, a sliding rail, a sliding block and a set of protective device, the sliding rail is installed on the bottom plate, the sliding block is arranged on the sliding rail in a sliding and sleeved mode, one end of the protective device is fixedly installed at the end of the bottom plate, and the novel numerical control machine tool guide rail protective cover is characterized by further comprising a protective cleaning assembly. The protection cleaning assembly comprises a blocking baffle, a protection device and two cleaning plates, the blocking baffle is arranged at the free end of the protection device and connected with the sliding block, the lower side wall of the blocking baffle is in sliding contact with the bottom plate, the protection device is parallel to the blocking baffle and separates scraps from the sliding rail, and the two cleaning plates are symmetrically arranged. Two ends