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    • 63. 发明申请
    • Control console of injection-molding machines
    • 注塑机控制台
    • US20040088072A1
    • 2004-05-06
    • US10694007
    • 2003-10-28
    • TOSHIBA MACHINE CO., LTD.
    • Takashi Yamazaki
    • B29C045/76
    • B29C45/76B29C2045/7606
    • An object of the present invention is to provide an injection-molding machine capable of accurately and conveniently setting operational conditions in the filling and pressure-holding steps. A curve showing the position of a screw versus time in the filling and pressure-holding steps is displayed on the same screen as that displaying settings for a forward speed and a back-pressure of the screw in the filling and pressure-holding steps. The operator can change settings while monitoring the data indicated by a curve displayed on the screen. Examples of the settings include a screw speed in filling step, pressure in filling step, pressure-switching time in pressure-holding step, screw speed in pressure-holding step, and period of injection
    • 本发明的目的是提供一种能够准确且方便地设定填充和压力保持步骤中的操作条件的注射成型机。 在与填充压力保持步骤中的螺杆的前进速度和背压的显示设置相同的屏幕上显示表示螺杆的位置与填充和压力保持步骤中的时间的曲线。 操作员可以在监视屏幕上显示的曲线所显示的数据的同时更改设置。 设置的实例包括填充步骤中的螺杆速度,填充步骤中的压力,压力保持步骤中的压力切换时间,压力保持步骤中的螺杆速度和注射周期
    • 64. 发明申请
    • Regulation method for the hydraulic support of an electric drive
    • 电动液压支架的调节方法
    • US20040065974A1
    • 2004-04-08
    • US10470405
    • 2003-07-24
    • Jorg Dantlgraber
    • B29C045/76B29C045/00
    • B29C45/5008B29C45/76B29C2045/5068
    • The force of an electric motor, whose rotational movement is translated into a longitudinal movement by a transmission, and the force of the piston of a hydraulic cylinder act in the longitudinal direction on an axially displaceable machine part. The force exerted by the electric motor is limited to a value at which no damage occurs to the transmission. In order to limit the force component applied by the electric motor, the desired value for the force acting on the machine part in the axial direction and the actual value of this force are used to form a control difference, which controls the sum of the force components acting on the machine part in the axial direction. The actual value of the force acting on the machine part in the axial direction and a value that takes into account the mechanical load-bearing ability of the transmission are used to form a desired value for the force acting on the piston in the axial direction. The desired value for the force acting on the piston in the axial direction and its actual value are used to form a control difference which controls one of the force components acting on the machine part in the axial direction. The control method is applied in injection molding machines with hydraulic assistance from an electric drive, in particular for the screw advance during the injection operation and/or in the holding phase.
    • 电动机的旋转运动通过变速器被转换成纵向运动,并且液压缸的活塞的作用力沿轴向位移的机械部件作用。 由电动机施加的力被限制在不会对变速器造成损害的值。 为了限制由电动机施加的力分量,使用在轴向上作用在机器部件上的力的期望值和该力的实际值来形成控制差异,其控制力的和 在轴向上作用在机器部件上的部件。 使用在轴向上作用在机器部件上的力的实际值和考虑到变速器的机械承载能力的值来形成在轴向上作用在活塞上的力的期望值。 用于在轴向上作用在活塞上的力的期望值及其实际值用于形成控制在轴向上作用在机器部件上的力分量之一的控制差。 该控制方法应用于具有来自电驱动器的液压辅助的注射成型机,特别是在注射操作期间和/或在保持阶段期间的螺杆前进。
    • 65. 发明申请
    • Injection molding flow control apparatus and method
    • 注塑流量控制装置及方法
    • US20040047942A1
    • 2004-03-11
    • US10455881
    • 2003-06-06
    • Synventive Molding Solutions, Inc.
    • Michael VasapoliSergio AntunesMark MossChristopher W. LeeMark Doyle
    • B29C045/76B29C045/77
    • B29C45/2806B29C45/2701B29C45/30B29C2045/2687B29C2045/2722B29C2045/2872B29C2045/2882B29C2045/2886B29C2045/304
    • 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与传感器互连的计算机,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。
    • 67. 发明申请
    • Malfunction-detecting method in injection molding machines
    • 注塑机故障检测方法
    • US20040026810A1
    • 2004-02-12
    • US10636621
    • 2003-08-08
    • TOSHIBA MACHINE CO., LTD.
    • Haruyuki MatsubayashiAkira KandaTakamitsu YamashitaTakashi YamazakiYukio IimuraYutaka YamaguchiMasamitsu Suzuki
    • B29C045/76
    • B29C45/7626B29C2045/764
    • This invention provides a method which makes it possible to reliably detect malfunctions during the ejecting step without rendering the injection molding machine more complicated. An ejector pin is incorporated in the movable die. This ejector pin is connected, via an ejector plate, a connecting rod, a connecting plate and a feed screw, with a servo motor. The force for ejecting the ejector pin pushing a molded product is measured from the driving torque of a servo motor. In this invention, the relationship between driving torque and elapsed time from the initiation of ejection of the molded product is stored as a reference pattern. The tolerance limit and monitoring interval of driving torque are preset relative to the reference pattern. When the value of driving torque falls outside the tolerance limit during the ejecting step, it is judged as a malfunction, and an alarm is generated to stop the machine in a safe state.
    • 本发明提供一种可以在喷射步骤期间可靠地检测故障而不使注塑机更复杂的方法。 推动销被并入可动模具中。 该推顶销通过推动器板连接有连接杆,连接板和进给螺杆,带有伺服电机。 用伺服电动机的驱动扭矩来测量推出成形品的顶针推出力。 在本发明中,存储作为参照图形的驱动转矩与成型品的喷射开始时间的关系。 驱动扭矩的公差极限和监控间隔相对于参考模式预设。 当驱动转矩的值在喷射步骤期间超出公差极限时,判断为故障,并且产生警报以使机器停止在安全状态。