Waste cleaning device for building block production

The utility model relates to the technical field of building block production, in particular to a waste cleaning device for building block production, which can automatically clean building block raw materials on the front side of the top end of a workbench, is simple to operate, saves a large amount of labor force and time, and improves the working efficiency. Comprising a workbench, a feeding device is arranged at the top end of the workbench, and a mold is arranged at the bottom end of the feeding device; the device comprises a workbench, and further comprises two sets of fixing frames, a screw rod, a motor, a motor base, a moving block, a sliding block, a fixing plate, a connecting shaft, a scraping plate and a blocking frame, the two sets of fixing frames are installed on the left portion and the right portion of the left side of the top end of the workbench respectively, the screw rod is rotatably installed on the two sets of fixing frames, and the motor is installed at the left end of the workbench thr