Mechanical palletizer running composes of following procedures as case feeding, case rotating, separating, stacking, and stacks moving. Stack lifting, pallet feeding, discharging and exiting etc. The structure frame is welding combination; it is sturdy and durable with pedestal adjustable. The main elevator adopts motor transmission Entrance accelerating conveyor separates cartons to the proper distance. Stack area with powered roller conveying, 2.5m length pallet outputting, Universal roller conveyor belt, safety protecting device around Controlled by PLC procedure. Movable operation touch panel, breakdowns automatic alarm.