Puncture mechanism applied to precise fine pin

The utility model relates to the technical field of stamping technology, in particular to a puncturing mechanism applied to a precise fine pin. Comprising an upper die base and a lower die base, the upper die base comprises a piercing and stripping punch fixing base, a piercing knife edge cushion block fixed to the piercing and stripping punch fixing base, a piercing knife edge installed in a matched mode through the piercing knife edge cushion block, and a piercing knife edge fixing base arranged on the piercing and stripping punch fixing base and used for being installed in a matched mode with the piercing knife edge cushion block and the piercing knife edge. The lower die base comprises a piercing punch fixing base, a piercing punch positioning insert installed on the piercing punch fixing base, a piercing punch installed through the piercing punch positioning insert and a piercing punch positioning insert arranged above the piercing punch positioning insert and the piercing punch. The stamping die has the