Split type precision punch die

The utility model relates to the technical field of dies, in particular to a split type precision punch die which comprises a die body, the die body comprises a bottom plate, guide supporting rods are fixedly installed at the four corners of the top of the bottom plate, a lower die is installed at the top of the bottom plate, a punch hole is formed in the top of the lower die, and the punch hole is communicated with the guide supporting rods. Vertical plates are fixedly mounted at the positions, located on the two sides of the lower die, of the top of the bottom plate, a top plate is arranged on the tops of the guide supporting rods and the vertical plates, a mounting assembly is arranged in the top plate, the bottom of the top plate is connected with a punch mounting base through an air cylinder, and a punch body is detachably mounted at the bottom of the punch mounting base. According to the split type precision punch die, the upper die body and the lower die body can be separated without tools in the actua