Apparatus for hot runner injection moulding
    81.
    发明授权
    Apparatus for hot runner injection moulding 失效
    热流道注射成型装置

    公开(公告)号:US3741704A

    公开(公告)日:1973-06-26

    申请号:US3741704D

    申请日:1970-12-10

    发明人: BEASLEY M

    IPC分类号: B29C45/27 B29C45/28 B29F1/03

    摘要: Apparatus for hot runner injection moulding includes a plunger reciprocable in a bore to inject molten synthetic resin material from a nozzle portion of the bore in a die cavity difining the shape of the article to be produced. Further the apparatus includes means thermally insulating the nozzle portion of the bore from the die when the apparatus is in use with the nozzle portion in position adjacent the die cavity.

    摘要翻译: 用于热流道注射成型的装置包括可在孔中往复运动的柱塞,以从模腔中的孔的喷嘴部分注入熔融合成树脂材料,从而限制待生产物品的形状。 此外,该设备包括当该设备与喷嘴部分在与模腔相邻的位置使用时,使孔的喷嘴部分与模具热绝缘的装置。

    Injection press apparatus
    82.
    发明授权
    Injection press apparatus 失效
    注射压力装置

    公开(公告)号:US3632248A

    公开(公告)日:1972-01-04

    申请号:US3632248D

    申请日:1969-01-15

    申请人: NYLES V REINFELD

    发明人: REINFELD NYLES V

    IPC分类号: B29C45/20 B29C45/70 B29F1/03

    摘要: This new apparatus includes or relates to an injection molding press wherein injection means including a cylinder and poweractuated piston is provided for forcing a plastic material into a mold cavity and wherein a slidably positioned injection nozzle connects the injection cylinder to a charge sprue provided in the mold. Special means position the injection nozzle for limited sliding movement in sealed relationship with the injection nozzle whereby the injection nozzle can be operated and will function satisfactorily under varied injection molding pressures and conditions. The invention further relates to an automatic power timer and cycle control means connecting to the injection means and to mold positioning means whereby the pressure exerted on the mold for mold closing action can be momentarily relieved to permit entrapped air to escape during an injection molding cycle.

    摘要翻译: 该新设备包括或涉及注塑成型机,其中提供包括气缸和动力致动活塞的注射装置,用于迫使塑料材料进入模腔,并且其中可滑动定位的注射喷嘴将注射圆筒连接到 模具。 特殊装置将喷嘴定位成与喷嘴密封的有限的滑动运动,由此喷嘴可以在不同的注塑压力和条件下工作,并能令人满意地运转。 本发明还涉及连接到注射装置和模具定位装置的自动功率定时器和循环控制装置,由此施加在模具上用于闭合动作的压力可以被暂时释放,以允许在注射成型循环期间夹带的空气逸出。

    Injection molding peripheral opening core ring gate
    87.
    发明授权
    Injection molding peripheral opening core ring gate 失效
    注塑周边开口芯环门

    公开(公告)号:US4530654A

    公开(公告)日:1985-07-23

    申请号:US614854

    申请日:1984-05-29

    申请人: Thomas J. Rose

    发明人: Thomas J. Rose

    IPC分类号: B29C45/26 B29C45/28 B29F1/03

    摘要: This invention relates to an improved core ring gated injection molding system. The valve pin has a tip portion which joins a larger diameter stem portion at a tapered shoulder and extends through the cavity into the mold platen on the other side. The tip portion of the valve pin is substantially smaller in diameter than the gate through the cavity plate, thus providing for the flow of melt through the gate around it when the valve pin is in the retracted open position. In the forward closed position, the tapered shoulder seats in the gate to provide a seal. By providing for operation in reverse directions to previous core ring gated systems, this increases cooling to the mold platen in the closed position and decreases it in the open position.

    摘要翻译: 本发明涉及一种改进的芯环门控注塑系统。 阀销具有尖端部分,该尖端部分在锥形肩部处连接较大直径的杆部分,并且在另一侧延伸穿过模腔进入模具压板。 阀销的尖端部分的直径比通过空腔板的浇口的直径大得多,因此当阀销处于缩回打开位置时,通过围绕浇口的浇口提供熔体的流动。 在向前关闭位置,锥形肩座位于门中以提供密封。 通过提供与先前的芯环门控系统相反方向的操作,这将在模具压板的关闭位置增加冷却,并将其在打开位置减小。

    Injection molding core ring gate system
    88.
    发明授权
    Injection molding core ring gate system 失效
    注塑核心环闸门系统

    公开(公告)号:US4521179A

    公开(公告)日:1985-06-04

    申请号:US568048

    申请日:1984-01-04

    申请人: Jobst U. Gellert

    发明人: Jobst U. Gellert

    CPC分类号: B29C45/2896

    摘要: This invention relates to a movel core ring gated injection molding system. Pressurized melt from a molding machine flows through the system and into a cavity. A gate leading to the cavity and a bore in the movable mold platen are in alignment and of the same size to receive the head portion of the valve pin which extends from a reduced neck portion. Actuating mechanism drives the valve pin between a retracted closed position to an open position in which the reduced neck portion extends into the cavity. In the closed position, the head portion of the valve pin extends a considerable distance into the bore in the mold platen to provide sufficient cooling to rapidly cool the melt in the cavity adjacent the pin. In one embodiment, the valve pin has a hollow portion adjacent the neck portion to provide the valve pin with thermal separation between the hot melt and the cool mold platen. In another embodiment, the valve pin has a copper portion between the hollow portion and the tip end to promote cooling of the melt in the cavity.

    摘要翻译: 本发明涉及一种变形芯环门控注塑系统。 来自成型机的加压熔融物流过系统并进入空腔。 通向空腔的门和活动模板中的孔对准并且具有相同的尺寸以接收从缩颈部延伸的阀销的头部。 致动机构将阀销驱动在缩回的关闭位置到缩短的颈部延伸到空腔中的打开位置之间。 在关闭位置,阀销的头部部分相当长的距离延伸到模具压板中的孔中,以提供足够的冷却,以使与腔体相邻的腔体内的熔体快速冷却。 在一个实施例中,阀销具有与颈部相邻的中空部分,以在热熔体和冷模具压板之间提供阀销的热分离。 在另一个实施例中,阀销在中空部分和顶端之间具有铜部分,以促进腔体中的熔体的冷却。

    Vibration-aided feed device for a molding apparatus
    89.
    发明授权
    Vibration-aided feed device for a molding apparatus 失效
    用于成型设备的振动辅助进给装置

    公开(公告)号:US4500280A

    公开(公告)日:1985-02-19

    申请号:US513385

    申请日:1983-07-13

    摘要: A vibration-aided feed device is operatively disposed between an injection head and a mold. A feed channel is provided between the injection head and the mold for the flow of the plasticized molding material to the mold. A part of the feed channel is defined by a distribution channel running through a connecting body. A vibrating arm extends laterally from the connecting body and a vibration generator is coupled to the vibrating arm. The resulting vibrations imparted to the plasticized molding material improves the flow and distribution of the molding material and the quality of the ultimate molded article.

    摘要翻译: 振动辅助进给装置可操作地设置在注射头和模具之间。 在注射头和模具之间设置有用于将塑化的成型材料流动到模具的进料通道。 馈送通道的一部分由穿过连接体的分配通道限定。 振动臂从连接体横向延伸,并且振动发生器联接到振动臂。 赋予塑化模塑材料的所产生的振动改善了模塑材料的流动和分布以及最终模制品的质量。

    Heat pipe manifold system
    90.
    发明授权
    Heat pipe manifold system 失效
    热管歧管系统

    公开(公告)号:US4500279A

    公开(公告)日:1985-02-19

    申请号:US510440

    申请日:1983-07-06

    CPC分类号: B29C45/2725

    摘要: A hot manifold system for use in the injection molding of plastics is disclosed wherein runner channel heating is accomplished by heat pipes disposed within the manifold adjacent to the runner channels contained therein. The manifold system is an elongated structure having a heat receiving portion and a runner containing portion such that heat input may be applied to the heat receiving portion at an accessible location relative to the mold and conveyed to the remainder of the manifold for uniform heating thereof by the heat pipes.

    摘要翻译: 公开了一种用于塑料注射成型的热歧管系统,其中流道通道加热是通过设置在歧管内的热管来实现的,该管道与其中包含的流道通道相邻。 歧管系统是具有热接收部分和流道容纳部分的细长结构,使得热输入可以在相对于模具的可接近位置处被施加到热接收部分,并且被输送到歧管的其余部分,以通过 热管。