Multi-station stamping fastener replacement die cavity device

The utility model provides a multi-station stamping fastener replacement die cavity device which comprises a cross beam and a supporting table, and the cross beam is arranged above the supporting table. A plurality of vertical rods are vertically fixed on the surface of the cross beam, the distance between the vertical rods is equal to the distance between die cavities of the punching machine, supporting plates are arranged at the ends, facing the die cavities of the punching machine, of the vertical rods, and suction cups for lifting or putting down workpieces from the die cavities of the punching machine are arranged on the supporting plates; the stamping die is simple in structure, reasonable in design and coherent in structure, after stamping, workpieces in the die cavities are replaced one by one according to the stamping process, products in the previous die cavity are effectively replaced to the next die cavity, the production efficiency of stamping fasteners is effectively improved, the whole producti