Bottom plate pre-cleaning treatment device in ALC plate production

The utility model discloses a bottom plate pre-cleaning treatment device in ALC plate production, which belongs to the technical field of plate production equipment and comprises a workbench, a fixing groove and an adjusting mechanism are arranged at the top of the workbench, the adjusting mechanism comprises a first screw rod, and the first screw rod is rotatably embedded between the inner surface walls of the two sides of the fixing groove. The outer surface of the first screw rod is in threaded connection with a first sliding block, the top of the first sliding block is fixedly connected with an L-shaped plate, a mounting groove is formed in the top of the L-shaped plate, and the telescopic rod drives the U-shaped plate to ascend and descend, so that the cleaning plate conveniently enters the mold frame, the first screw rod on the workbench rotates, the first sliding block is driven to move in the fixing groove, and then the L-shaped plate is driven to move; and a second screw rod rotates on an L-shaped pl