Soft or hard is crowded sealed to wind channel backplate setting device altogether

The utility model discloses a soft or hard is crowded sealed to wind channel backplate setting device altogether, including stock mould (1), for straight nematoid structure die cavity and curved function piece die cavity on the die cavity cross section of stock mould (1), wherein length L1, the thickness of structure die cavity be D1, and the length of function piece die cavity is L2, thickness is D2, and the hookup location's of structure die cavity and function piece die cavity contained angle is k, L1: D1=1: 0.05, L2: D2=1: 0.01, K is 85 -90. The utility model discloses an in the structure of stock mould front end increase changeover portion, for direction size of import increase of stock mould to it comes to cool off the design to the wind channel backplate section bar that the soft or hard was crowded altogether to add lubricated basin. Such stock mould enables the product and has advantages such as better surface quality, size stability, is applicable to very much coextrusion processing production. Just the utility model discloses simple structure, low cost, easy implementation, excellent in use effect.