Stamping die with quick release structure

The stamping die comprises an upper die base, an upper die structure is arranged at the bottom end of the upper die base, a punch is connected to the bottom end of the upper die structure in a sliding and penetrating mode, a fixing structure used for fixing the position of the punch is arranged at the bottom end of the upper die structure, a through groove is formed in the top of the punch, and a through hole is formed in the top of the through groove. A through groove is formed in the top end of the punch, the fixing structure comprises a fixing rod, the outer wall of the fixing rod is connected with the inner wall of the through groove in a sliding and penetrating mode, and a lower die structure is arranged at the bottom end of the upper die structure. The fixing rod in the fixing structure is matched with the through groove formed in the top end of the punch, and a spring is used for pushing the fixing rod to penetrate through the through groove to fix the punch in the cross-shaped empty groove; when the p