Operation protective cover of polishing robot

The invention discloses an operation protective cover of a polishing robot. The operation protective cover of the polishing robot comprises a protective cover assembly, a scrap box assembly and a water circulation cleaning assembly, wherein the protective cover assembly and the scrap box assembly are matched for use; and the water circulation cleaning assembly respectively communicates with the protective cover assembly and the scrap box assembly. According to the operation protective cover of the polishing robot, the protective cover assembly, the scrap box assembly and the water circulationcleaning assembly are arranged, so that scrap is prevented from flying out, and the workshop environment and the safety of operators are effectively protected; since a water pumping pipe, a water pumping pump, a filter, a booster pump and an automatic control valve are arranged, the scrap can be washed away and a cleaning effect can be achieved; a first filter screen and a second filter screen arearranged in a water stora