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实用新型
CN203974001U 注塑模具型腔压力控制系统 失效 - 权利终止

注塑模具型腔压力控制系统
摘要：
本实用新型提出一种注塑模具型腔压力控制系统，可以解决现有泄压管路采用第一电磁阀依靠熔体的填充力排出模具型腔内的气体，无法在短时间可靠彻底地排出，排出效率低的的问题。所述注塑模具型腔压力控制系统，包括数据处理及控制系统、与模具型腔相连的进气管路和与模具型腔相连的泄压管路，所述泄压管路上设有真空泵。泄压管路采用真空泵进行泄压，能够使模具型腔中的气体更加快速、可靠彻底地排出模具型腔，使熔体在模具型腔内顺利填充，提高制件成型质量。
摘要（英）：

The utility model discloses an injection mould cavity pressure control system, which can be used for solving a problem that when an existing pressure relief pipeline adopts a first solenoid valve to exhaust gases in a mould cavity by virtue of melt filling power, the gases cannot be completely exhausted within a short time, and the exhausting efficiency is low. The pressure control system comprises a data processing and controlling system, a gas inlet pipeline connected with a mould cavity and a pressure relief pipeline connected with the mould cavity, wherein a vacuum pump is arranged on the pressure relief pipeline. The pressure relief pipeline adopts the vacuum pump to carry out pressure relief, and gases in the mould cavity can be exhausted quickly, reliably and completely, thereby smoothly filling the mould cavity with a melt and improving the molding quality of workpieces.

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