Multi-stage jacking feeding mechanism

The utility model discloses a multistage jacking feeding mechanism which comprises a platen, two oppositely-arranged vertical plates are fixed to the top of the platen, a plurality of step plates parallel to one another are fixed between the two vertical plates, the step plates incline in the discharging direction, and the heights of the top ends of the step plates are sequentially increased from front to back. A moving plate is arranged on the front side of each step plate, the moving plates and the step plates are arranged in parallel and are in sliding fit, the heights of the top ends of the multiple moving plates are sequentially increased from front to back, and an air cylinder is fixed to the table plate and used for driving the multiple moving plates to slide in the direction parallel to the step plates. And the motion stroke of the motion plate is as follows: the top end of the motion plate reciprocates between the upper part and the lower part of the top end of the step plate. Compared with the prior