Automatic blanking control device for aluminum oxide production

The utility model discloses an automatic blanking control device for aluminum oxide production. The automatic blanking control device comprises a main body box, by arranging the limiting groove, the first adjusting plate and the threaded rod, through cooperation of the limiting groove and the limiting block, the discharging valve is opened and closed, the threaded rod on the inner wall of the threaded hole actively enables the first adjusting plate, the second adjusting plate and the fixing bolt to drive the discharging valve to move, and the rapid opening and closing effect is achieved; a threaded rod rotates and drives a threaded hole, a first adjusting plate, a second adjusting plate and a fixing bolt to move at the same time, so that the threaded hole, the first adjusting plate, the second adjusting plate and the fixing bolt drive a discharging valve to be opened and closed when moving, and the problem that when the discharging device needs to stop after discharging is completed, raw materials fall down a