Channel -section steel punching die

The utility model discloses a channel -section steel punching die, comprises an upper die and a lower die, last mould include the stool, the lower mould including lower stool, still include the fixing base, last stool on be equipped with the cross -section for the terrace die of rectangular shape, lower stool on be equipped with the base, the base on be equipped with with the channel -section steel in surface profile assorted working face, the upper surface of working face be equipped with with the die of the rectangular shape of terrace die complex, the fixing base constitute by the fixed plate of two at least L shape, the fixed plate setting at the both ends of base, fixed plate, base the working face and down the stool enclose into a passageway that is used for holding the channel -section steel. The utility model aims at providing a channel -section steel punching die that the trompil is efficient, the burr is few.