Cleaning machine for inner wall of finish rolling pipe

The utility model relates to the technical field of finish rolling pipe related equipment, in particular to a finish rolling pipe inner wall cleaning machine which comprises a cleaning box and an electric hydraulic cylinder arranged on the side face of the cleaning box, the output end of the electric hydraulic cylinder is connected with a top plate used for covering the cleaning box, and a cleaning mechanism is arranged on the top plate. A cleaning cavity right facing the cleaning mechanism and a water storage cavity communicating with the lower end of the cleaning cavity are formed in the cleaning box, a grid plate for supporting the finish rolling pipe is arranged at the joint of the cleaning cavity and the water storage cavity, and the water storage cavity is sequentially connected with a water pump arranged on the side face of the cleaning box and a nozzle penetrating into the cleaning cavity through water pipes. The nozzle is located at the open end of the cleaning cavity, and a clamping mechanism used f