Automatic centering rotor sheet punching die

The utility model discloses an automatic centering rotor sheet punching die, which comprises a punching fixed die, a driving sleeve seat, a concentric positioning assembly and a movable die, the bottom end of the punching fixed die is provided with a fixed seat, the surface of the fixed seat is provided with a plurality of adjusting guide rods, and the top ends of the adjusting guide rods are fixedly provided with a punching machine seat; a punching cylinder with the output end connected with the movable die is fixedly installed on the surface of the punching machine base, the driving sleeve base is fixedly connected to the outer side of the punching fixed die in a sleeving mode, a movement guide groove is formed in the surface of the driving sleeve base, a driving rod is installed in the movement guide groove in an embedded mode, and the output end of the driving rod is fixedly connected with a sliding sleeve lug. According to the utility model, the driving sleeve seat and the concentric positioning assembly