Valve needle hot runner mold with double cooling structure

Abstract

The utility model discloses a valve needle hot runner mould of double cooling structure relates to hot runner mould technical field, and this valve needle hot runner mould of double cooling structure includes lower mould, the upper side of lower mould is equipped with upper mould, the valve needle hot runner body is fixedly installed in upper mould, the bottom communication of valve needle hot runner body has the pouring gate, the upper surface of lower mould is equipped with the pouring groove, the upper surface of upper mould is equipped with the ventilation groove against symmetry, and the heat dissipation cavity is arranged in upper mould. The utility model discloses the air -cooled component and water -cooled component of setting, can through two different ways to carry out the cooling treatment to the product in pouring groove, thereby can effectively improve the production and processing efficiency of product, through setting up the protection component, can effectively dustproof protection to air -cooled component and heat dissipation cavity, thereby avoid dust and other impurities influence air -cooled component to the cooling efficiency and effect of product, effectively improved the practicability of the mould whole.

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