Stamping die with stamping depth convenient to adjust

The stamping die comprises an upper die assembly, a lower die assembly and a depth adjusting structure, the upper die assembly comprises a fixing plate and a stamping head, an avoiding groove is formed in the fixing plate, an opening is formed in one end of the avoiding groove, a mounting hole is formed in the fixing plate, the mounting hole is communicated with the avoiding groove, and the depth adjusting structure is arranged on the lower die assembly. The punching head is arranged in the mounting hole in a penetrating manner; the depth adjusting structure comprises an adjusting base plate, the adjusting base plate is located in the receding groove, one end of the adjusting base plate extends to the outer side of the fixing plate, and the adjusting base plate is used for adjusting the punching depth of the punching head. In this way, the end where the adjusting base plate is placed can penetrate through the opening side of the receding groove and extend to the outer side of the stamping die, in this way, th