Hot runner nozzle head core

The utility model discloses a hot runner nozzle head core, its characterized in that: which comprises a body, the body top is equipped with the cone core, uniform annular has a plurality of jiao kou of spouting on the cone core, the outer fringe face middle part of cone core is equipped with an annular arc recess, spout jiao kou set up in in the arc recess, the radius of arc recess is 30 mm ~120 mm. The utility model discloses a setting of arc recess has improved the gluey efficiency of spouting of body, has guaranteed injection moulding product's mould plastics quality and stability. 本实用新型公开了种热流道喷嘴头芯，其特征在于：包括本体，所述本体顶部设有锥形头芯，所述锥形头芯上环形均布有复数个喷胶口，所述锥形头芯的外缘面中部设有环状的弧形凹槽，所述喷胶口设置于所述弧形凹槽内，所述弧形凹槽的半径为30㎜～120㎜。本实用新型通过弧形凹槽的设置，提高了本体的喷胶效率，保证了注塑产品的注塑质量及稳定性。