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    • 1. 发明授权
    • Non-coaxial injection molding valve flow control
    • 非同轴注塑阀流量控制
    • US07270537B2
    • 2007-09-18
    • US11351243
    • 2006-02-09
    • Mark DoyleVito GalatiWesley D. Frisin
    • Mark DoyleVito GalatiWesley D. Frisin
    • B29C45/23
    • B29C45/76B29C45/27B29C45/2704B29C45/2806B29C45/281B29C2045/2687B29C2045/2722B29C2045/2761B29C2045/2824B29C2045/2837B29C2045/2882B29C2045/2886B29C2945/76006B29C2945/76013B29C2945/7603B29C2945/76056B29C2945/76083B29C2945/76277B29C2945/76381B29C2945/76498B29C2945/76545B29C2945/76568B29C2945/76688B29C2945/76755B29C2945/76759B29C2945/76859B29C2945/76969
    • In an injection molding machine having upstream and downstream channels communicating with each other for delivering fluid material to one or more mold cavities, apparatus for controlling delivery of the melt material from the channels to the one or more mold cavities, each channel having an axis, the downstream channel having an axis intersecting a gate of a cavity of a mold, the upstream channel having an axis not intersecting the gate and being associated with an upstream actuator interconnected to an upstream melt flow controller disposed at a selected location within the upstream channel, the apparatus comprising a sensor for sensing a selected condition of the melt material at a position downstream of the upstream melt flow controller; an actuator controller interconnected to the upstream actuator, the actuator controller comprising a computer interconnected to a sensor for receiving a signal representative of the selected condition sensed by the sensor, the computer including an algorithm utilizing a value indicative of the signal received from the sensor as a variable for controlling operation of the upstream actuator; wherein the upstream melt flow controller is adapted to control the rate of flow of the fluid material at the selected location within the upstream channel according to the algorithm.
    • 在具有彼此连通以将流体材料输送到一个或多个模具腔的上游和下游通道的注射成型机中,用于控制熔体材料从通道传送到一个或多个模具腔的设备,每个通道具有轴线, 所述下游通道具有与模具的空腔的栅极相交的轴线,所述上游通道具有不与所述浇口相交的轴线,并且与设置在所述上​​游通道内的选定位置处的上游熔体流动控制器相互连接的上游致动器相关联, 该装置包括用于感测熔体材料在上游熔体流动控制器下游位置的选定状态的传感器; 与所述上游致动器相互连接的致动器控制器,所述致动器控制器包括互连到传感器的计算机,用于接收代表由所述传感器感测到的选定状态的信号,所述计算机包括使用表示从所述传感器接收的信号的值的算法 用于控制上游致动器的操作的变量; 其中所述上游熔体流动控制器适于根据所述算法来控制所述上游通道内的选定位置处的流体材料的流速。
    • 2. 发明授权
    • Injection molding mechanical double acting valve pin actuator
    • 注塑机械双作用阀销执行机构
    • US4330258A
    • 1982-05-18
    • US201559
    • 1980-10-28
    • Jobst U. Gellert
    • Jobst U. Gellert
    • B29C45/00B29C37/00B29C45/23B29C45/28B29C45/76
    • B29C45/281B29C2045/2762B29C2045/2813B29C2045/282B29C2045/2837
    • This invention relates to mechanical double acting mechanism for actuating valve pins in a valve gated injection molding system. A number of valve gate units are aligned with a pneumatically driven toothed rack member. The rack member engages a hollow rotatable pinion member which is secured in each unit against transverse movement. The driven end of the valve pin is fixed in a bushing which extends through the pinion member and threadably engages it. The valve pin is actuated between the open and closed positions by longitudinally driving the rack member which rotates the pinion member and the bushing. In addition to providing a reliable and relatively inexpensive actuating mechanism, provision is made for relative axial adjustment of the valve pins prior to the commencement of operation which provides accurate valve seating without unduly high manufacturing tolerances.
    • 本发明涉及一种用于在阀门浇注注塑系统中致动阀销的机械双作用机构。 多个阀门单元与气动齿条构件对准。 齿条构件接合中空的可旋转小齿轮构件,其固定在每个单元中以防横向移动。 阀销的从动端固定在延伸穿过小齿轮构件并与其螺纹接合的衬套中。 通过纵向驱动使小齿轮构件和衬套旋转的齿条构件,阀销在打开和关闭位置之间被致动。 除了提供可靠且相对便宜的致动机构之外,还提供了在开始操作之前对阀销的相对轴向调节,其提供了精确的阀座,而没有过高的制造公差。
    • 10. 发明授权
    • Injection molding apparatus with shut off valve pin actuation system
    • 注射成型设备带有关闭阀针驱动系统
    • US5067893A
    • 1991-11-26
    • US538523
    • 1990-06-15
    • Jesus M. Osuna-Diaz
    • Jesus M. Osuna-Diaz
    • B29C45/28
    • B29C45/281B29C2045/2837B29C2045/2889
    • Injection molding apparatus is disclosed having an actuation system for operation of a shut off valve pin, movably mounted in a valve gate, the system including a first gear rack connected to the valve pin, a first pinion gear driven by the first gear rack connected at one end of a cross shaft, a second pinion gear at the other end of the cross shaft, and a externally mounted two way power cylinder operating a second gear rack to rotate the second pinion gear in mesh therewith so that both pinion gears rotate together, and the valve pin is reciprocated by operation of the power cylinder. The power cylinder is mounted for angular adjustment about the axis of rotation of the pinion gears and cross shaft to enable ready adjustment of the closing position of the valve pin in the valve gate.
    • 公开了一种注射成型装置,其具有用于操作可移动地安装在阀门中的截止阀销的致动系统,该系统包括连接到阀销的第一齿条,由第一齿条驱动的第一小齿轮,该第一齿条连接在 十字轴的一端,在所述横轴的另一端的第二小齿轮,以及外部安装的双向动力缸,其操作第二齿条以使所述第二小齿轮啮合从而使所述两个小齿轮一起旋转, 并且阀销通过动力缸的操作往复运动。 动力缸被安装成围绕小齿轮和横轴的旋转轴线进行角度调节,以便能够准确地调节阀门在阀门中的关闭位置。