Cleaning robot capable of conveniently replacing rolling brush

The utility model discloses a cleaning robot with a roller brush convenient to replace, which relates to the technical field of cleaning robots and comprises a cleaning robot body, a cleaning groove is arranged at the bottom of the cleaning robot body, a cleaning roller brush is arranged in the cleaning groove, and the cleaning roller brush is connected with a gear driving component through a dismounting component. The dismounting and mounting assembly comprises an electric push rod, a positioning frame, a rotating disc, a fixing frame, a limiting rod and a connecting part, a mounting groove is formed in the inner wall of the cleaning groove, the electric push rod is fixedly connected with the inner wall of the mounting groove, the output end of the electric push rod is fixedly connected with the positioning frame, and the rotating disc is arranged in the positioning frame; the rotating disc is movably connected with one end of a cleaning rolling brush through a connecting rod, and a containing groove is form