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    • 3. 发明申请
    • PROCESS FOR MOLDING HOLLOW WORKPIECES
    • 模塑空心工件的工艺
    • WO2017196554A1
    • 2017-11-16
    • PCT/US2017/030004
    • 2017-04-28
    • THE PROCTER & GAMBLE COMPANY
    • ZEIK, Douglas, BruceDARR, Richard, C.SIMPSON, Thomas, J.
    • B29D1/00
    • B29C45/4421B29B11/08B29B2911/00B29B2911/14453B29C33/446B29C45/262B29C45/2681B29C45/44B29D1/00B29D22/00B29K2105/258B29L2031/56
    • An apparatus and process for molding workpieces usable for consumer products. The workpieces may be injection molded with a cavity formed by a core pin and have an undercut, such as internal threads, in the cavity. The apparatus has a drive system with a stripper plate mounted for alternatingly forward and retracting axial movement. The stripper plate is axially driven and drives a stripper sleeve barrel cam and a core pin base barrel cam, each having respective cam followers. The respective motions of the cam followers are superimposed on a stripper sleeve insert, which drives a core pin sleeve. The core pin sleeve is subjected to responsive three dimensional motion, allowing an internally threaded workpiece to be unscrewed from the core pin sleeve. The system does not require separate drives for the core pin sleeve, a single stripper plate drive being sufficient and further allows each mold cavity/core pin combination in a mold half to be unique.
    • 用于模制可用于消费品的工件的设备和方法。 工件可以注射模制有由芯销形成的腔体并且在腔体中具有底切,例如内螺纹。 该装置具有驱动系统,该驱动系统具有安装用于交替地向前和向后移动轴向运动的脱模板。 脱模板被轴向驱动,并驱动脱模套桶形凸轮和芯子销底座筒形凸轮,每个凸轮具有各自的凸轮从动件。 凸轮从动件的相应运动叠加在驱动芯销轴套的脱模套筒插入件上。 芯杆销套受到三维运动响应,允许内螺纹工件从芯杆销轴上旋下。 该系统不需要单独的驱动器用于芯部销套,单个驱动器板驱动器就足够了,并且进一步允许模具半部中的每个模腔/芯部销组合是唯一的。