Fin shearing die

The utility model relates to a fin shearing die, and belongs to the technical field of fin shearing equipment. The upper die assembly and the lower die assembly are arranged on a punching machine rack and can be separated and combined, the upper die assembly comprises an upper die base, a die handle, a male die mechanism and guide sleeves, the die handle is installed on the upper die base, the guide sleeves are arranged on the two sides of the upper die base, the male die mechanism is installed below the upper die base, and a plurality of rows of shearing sawteeth A are arranged on the surface of the male die mechanism; the lower die assembly comprises a lower die base, a female die mechanism and a guide column, the guide column is installed on the lower die base, the guide column is sleeved with the guide sleeve, the female die mechanism is installed on the lower die base, the female die mechanism and the male die mechanism are oppositely arranged, and a receding opening is formed in the female die mechanism