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    • 3. 发明授权
    • Core fluid velocity inducer
    • 核心流体速度诱导剂
    • US06276922B1
    • 2001-08-21
    • US09382416
    • 1999-08-24
    • David Robert HustonTiemo BrandAli R. Mortazavi
    • David Robert HustonTiemo BrandAli R. Mortazavi
    • B29C4964
    • B29C45/7312B29C45/7337B29K2105/253
    • The technical field of the invention broadly relates to injection molding systems and more particularly to cooling of a core used in a mold of an injection molding machine. Cooling a core involves supplying coolant through a lengthwise supply tube that extends within a hollow bore formed in the core. The coolant flows through the supply tube, exiting as a stream of fluid at an open end of the supply tube where the stream contacts a substantially perpendicular inner surface of the core. The stream of fluid is initially deflected by this inner surface on an axis perpendicular to an axis of the original flow producing a stagnation zone in the stream having zero or relatively low velocity. The stagnation zone is adjacent to a high heat gate area and results in poor cooling of the core tip. The invention solves the problem of stagnation by application of a fluid velocity inducer. The fluid velocity inducer is located in the entry stream path of the fluid inducing a velocity thus reducing or eliminating the stagnation zone and improving the cooling of the core.
    • 本发明的技术领域广泛地涉及注射成型系统,更具体地涉及冷却注射成型机的模具中使用的芯体。 冷却芯包括通过在形成在芯中的中空孔内延伸的长度供应管来供应冷却剂。 冷却剂流过供应管,在供应管的开口端处以流体流的形式流出,其中流与芯的基本上垂直的内表面接触。 流体流最初由垂直于原始流动轴线的轴线上的该内表面偏转,产生具有零或相对低速度的流中的停滞区域。 停滞区域与高热区域相邻,导致芯尖的冷却不良。 本发明通过应用流体速度诱导器解决了停滞问题。 流体速度诱导器位于流体的进入流路径中,从而引起速度,从而减少或消除停滞区域并改善芯体的冷却。