Automatic flanging structure of stamping part

The utility model discloses an automatic flanging structure of a stamping part, which comprises a base, a lower die cavity is mounted on the base, a positioning table is arranged at the center of the lower die cavity, the stamping part abuts against the positioning table, an upper die cavity is arranged right below the lower die cavity, a flanging groove is arranged on the upper die cavity, and the stamping part is arranged in the flanging groove. A rubber pressing block is arranged in the center of the flanging groove and fixedly connected to the bottom end of a center telescopic rod, the top end of the center telescopic rod is inserted and connected into a counter bore groove formed in the upper plunger rod, a spring is installed in the counter bore groove and connected with the center telescopic rod in an abutting mode, and a connecting plate is fixedly connected to the bottom end of the upper plunger rod. The connecting plate is connected with the upper die cavity through a plurality of evenly-distributed