Sandstone crusher

The utility model discloses a sandstone crusher, which relates to the technical field of sandstone processing, and comprises a support frame and a crushing device, one side of the crushing device is provided with a blocking structure, the blocking structure comprises a fixed square frame, and sealing doors are arranged in the fixed square frame and close to the edges of the two sides. Fixing rods are installed on the two side walls, close to the edges of the two sides, of the interior of the fixing square frame in a penetrating mode, moving rods are arranged below the two sealing doors, and inclined grooves are formed in the front side wall and the rear side wall, close to the edges of the two sides, of the interior of the fixing square frame. According to the sandstone crushing device, the blocking effect can be achieved, flying dust is prevented from flying out of the fixing square frame, meanwhile, sandstone enters the crushing device through the fixing square frame, the fixing square frame can be sealed,