Product Structure: The device mainly consists of a frame, fixed plate, movable plate, support bracket, pneumatic cylinder, manual open/close mechanism, and dust exhaust port. Working Principle: By controlling the alignment between the holes on the movable plate and the fixed plate, the device allows molding sand to fall quickly and evenly into the sand box. The rain-shower sand feeder is installed beneath the sand storage bin. A woven mesh screen can be mounted below the