Novel sanding machine

The invention discloses a novel sanding machine, which comprises a base, a tank body and a conveying pipe, wherein the tank body is fixedly mounted at the top of the base through a first support frame; an impeller is rotationally mounted at the bottom end of the interior of the tank body; impact plates are fixedly mounted on the inner walls of the tank body on the two sides of the impeller; a conveying pipe is fixedly mounted on one side of the tank body; a spiral conveying rod is rotatably mounted in the conveying pipe; a first motor is fixedly mounted at the top of the conveying pipe; and asecond motor is fixedly mounted at the top of the base on one side of the tank body through a second support frame. The motors, the spiral conveying rod and the impact plates are arranged, the spiralconveying rod is used for conducting first-time grinding on sand and stone, the impact plates conduct repeated grinding, the practical performance of the sanding machine is effectively improved, the sand and stone in the tank