Stamping die

A stamping die is used for stamping a material strip comprising a plurality of stamping areas. The stamping die comprises an upper die body and a lower die body and further comprises a material pulling device, and the material pulling device is arranged between the upper die body and the lower die body and used for bearing a material belt. The material pulling device comprises a sliding module anda movable piece. The sliding module comprises a sliding block, a fixed block and a first elastic piece abutting against the position between the fixed block and the sliding block. The movable piece can move close to the fixed block along with the sliding block so as to be connected with the material belt, and the first elastic piece deforms. The first elastic piece can drive the sliding block tomove in the direction away from the fixed block, so that the movable piece drives the material belt to move away from the fixed block. According to the stamping die, the material belt is driven by thematerial pulling device to