Reciprocating sand removing machine

The utility model relates to a reciprocating sand removing machine which comprises a machine frame, a conveying mechanism and a sand removing assembly, wherein the conveying mechanism and the sand removing assembly are arranged on the machine frame. The conveying mechanism comprises a lifting assembly, a conveying frame and a conveying belt, the lifting assembly is arranged on the rack, the lifting assembly is connected with the conveying frame and used for driving the conveying frame to move up and down, and the conveying belt is arranged on the conveying frame; the sand removing assembly comprises a driving assembly, a sand removing sliding rail, a sand removing sliding block, a mounting plate and a brush, the sand removing sliding rail is horizontally arranged above the conveying belt in the direction perpendicular to the moving direction of the conveying belt, and the sand removing sliding block is matched with the sand removing sliding rail; the sand removing sliding block is arranged on the sand removin