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    • 43. 发明公开
    • AUXILIARY INJECTION UNIT INTEGRATED IN INJECTION MOLDING SYSTEM
    • IN EIN SPRITZGUSSYSTEM INTEGRIERTE HILFSEINSPRITZEINHEIT
    • EP2588289A1
    • 2013-05-08
    • EP11800035.5
    • 2011-06-27
    • Mold-Masters (2007) Limited
    • DI SIMONE, John
    • B29C45/03B29C45/18
    • B29C45/1603B29C45/1635B29C2045/1685
    • An auxiliary injection unit is disclosed that has an extruder barrel and extruder screw integrated within an injection molding system. The extruder barrel and extruder screw are contained within a mold plate of the injection molding system with a drive mechanism of the auxiliary injection unit being external thereof. A melt stream emanating from the extruder barrel of the auxiliary injection unit is in selective fluid communication with either a melt channel of a manifold providing melt thereto during an injection cycle or with a discharge channel of a melt discharge tube for purging melt. A melt diverter component receives the melt stream from the extruder barrel and includes a shuttle valve slidably positioned therein that is operated to selectively divert the melt stream produced by the auxiliary injection unit to either the melt channel of the manifold or the discharge channel of the discharge tube.
    • 公开了一种辅助注射单元,其具有集成在注射成型系统内的挤出机筒和挤出机螺杆。 挤出机筒和挤出机螺杆被包含在注塑系统的模板内,其中辅助注射单元的驱动机构在其外部。 从辅助注射单元的挤出机筒发出的熔体流与在注射循环期间提供熔体的歧管的熔体通道或用于吹扫熔体的熔体排放管的排出通道选择性地流体连通。 熔体分配器部件接收来自挤出机筒的熔体流,并且包括可滑动地定位在其中的梭阀,其被操作以选择性地将由辅助喷射单元产生的熔体流转移到歧管的熔体通道或排出的排出通道 管。