Automatic palletizer packaging line by the controller, automatic pallet loading equipment, automatic separation device, mobile beam vacuum lifting manipulator, heavy palletizer conveying device, etc. It is a high-tech product of integration of machinery and electricity. Medium and low level palletizer can meet the production needs of medium and low output. According to the requirements of the way and the number of layers, complete material bags and other products stacking. Optimal design makes the stack shape compact and neat.