Needle -valve hot runner structure

The utility model discloses a needle -valve hot runner structure, including the flow distribution plate, set up a plurality of needle on the flow distribution plate, the runner that is linked together with the flow distribution plate, the runner is corresponding with the needle, the zhou bubao of runner is equipped with hot muzzle, the cross -section of hot muzzle appears for T, the head of hot muzzle is described for closing up for sealing jiao kou, the needle is connected on the cylinder. The utility model discloses a needle -valve hot runner structure adopts needle valve type hot runner to replace cold runner, adopts the hot muzzle structure of insert heating, adds hot muzzle and connects fortune water. Save the mouth of a river material in the mould, improve production cycle, practiced thrift the cost, have destabilizing factors such as jaundice, stain, hydrostomia, wire drawing, hourglass glue during the solution is put into production, and than a lot of shaping of ordinary cold runner day beer more than