Machine tool dust removal device

The utility model discloses a machine tool dust removal device which comprises a base, a water pump, a hydraulic oil cylinder, a driving motor and a fan, a second sliding rail is fixedly installed onthe inner wall of a box body, a second sliding block is arranged in the second sliding rail in a sleeved mode, a transmission box is fixedly installed on one side of the second sliding block, and thehydraulic oil cylinder is fixedly installed in the transmission box. A motor box is fixedly installed at the output end of the hydraulic oil cylinder, a driving motor is fixedly installed in the motorbox, a first bevel gear is welded to the output end of the driving motor, the first bevel gear is meshed with a second bevel gear, and a cleaning brush is fixedly welded to the bottom end of the second bevel gear. The transmission box, the hydraulic oil cylinder, the motor box, the driving motor, the first bevel gear, the second bevel gear and the cleaning brush form the cleaning mechanism, and the cleaning mechanism can c