Pencil board stacking machine and stacking method thereof

The invention discloses a pencil plate stacking machine and a plate stacking method thereof, and relates to the technical field of pencil plate machining, the pencil plate stacking machine comprises a bottom plate, a transition plate and a lifting plate, a pair of side plates is fixedly arranged on the front side and the rear side of the top face of the bottom plate, a pair of conveying belts is arranged between the opposite faces of the side plates, and the side plates are connected with the conveying belts through a conveying mechanism; a pair of fixing shafts is arranged on the front side and the rear side of the top face of the transition plate, U-shaped overturning plates are arranged at the opposite outer ends of the pair of fixing shafts, the pair of U-shaped overturning plates are clamped to the front side and the rear side of the pencil plate respectively, and the transition plate is connected with the pair of fixing shafts through a limiting mechanism. A plate stacking tray is placed on the top face