The main body of the machine is made of high-quality 304 stainless steel, with stable conveyance, low failure rate, simple operation, convenient maintenance, automatic feeding can be realized after being connected to the assembly line, and the manual workload is reduced. The transmission part adopts a speed-adjustable deceleration motor, and the lifting speed is adjustable. The conveyor belt material can be selected according to the characteristics of different materials, the commonly used conveyor belt material is 304 stainless steel mesh belt.