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    • 5. 发明授权
    • Injection unit for injection molding machine
    • 注塑机注塑机
    • US6030203A
    • 2000-02-29
    • US26679
    • 1998-02-20
    • Hideo Kuroda
    • Hideo Kuroda
    • B29C45/18B29C45/54B29C45/63B29C45/46
    • B29C45/54B29C45/18
    • This invention relates to an injection unit for an injection molding machine, which is free of inconvenience such as a reduction in ability and clogging of a powdery filler upon molding a powdery-filler-added resin, can prevent cutting of long fibers upon molding a long-fiber-filled resin, can also be applied to feed resins which give off evaporated gas, can be used for a wide variety of resins, and can be constructed with a substantially-reduced machine length. The injection unit is therefore constructed of a tank and an injection cylinder. The tank has a built-in mixing rod with numerous fins extending from the mixing rod, whereby a feed resin is plasticized by rotation of the mixing rod. The injection cylinder is connected with the tank and has a built-in injection plunger, whereby a molten resin fed from the tank is injected into a mold by the injection plunger. The injection unit according to this invention is useful especially upon a feed resin, such as a powdery-filler-added resin or a long-fiber-filled resin, for injecting the thus-fed resin into a mold.
    • 本发明涉及一种注射成型机的注射单元,其在成型粉末填充剂树脂时不会有诸如降低粉末填充剂的能力和堵塞的不便之处,可以防止在长时间模制时长纤维的切割 纤维填充树脂也可以应用于发出蒸发气体的进料树脂,可以用于各种树脂,并且可以以基本上减小的机器长度构造。 因此,注射单元由罐和注射缸构成。 罐具有内置的混合杆,其具有从混合杆延伸的多个翅片,由此通过混合杆的旋转使进料树脂塑化。 注射缸与罐连接并具有内置的注射柱塞,由此从罐中供给的熔融树脂通过注射柱塞注入模具中。 根据本发明的注射单元特别适用于诸如添加了粉末填料的树脂或长纤维填充树脂的进料树脂,用于将如此进料的树脂注入模具中。