Sheet stock punching machine

The utility model discloses a sheet stock punching machine which comprises a machine table, an electric cabinet is arranged at the bottom of the machine table, a PLC control system is arranged in the electric cabinet, and a discharging mechanism, a receiving mechanism, a clamping platform mechanism, a punching mechanism and a hardware die are arranged on the machine table. The clamping platform mechanism is located between the discharging mechanism and the receiving mechanism and fixedly connected with the discharging mechanism and the receiving mechanism, and the clamping platform mechanism, the discharging mechanism and the receiving mechanism operate synchronously. The punching mechanism comprises a portal frame stretching across the clamping platform mechanism, a punching electric cylinder is arranged on the portal frame, the hardware die comprises an upper die and a lower die, the upper die is fixedly connected with the punching electric cylinder, the lower die is fixed to the machine table, a punching h