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    • 96. 发明申请
    • INJECTION MOLDING MACHINE
    • 注塑机
    • US20080305202A1
    • 2008-12-11
    • US11937708
    • 2007-11-09
    • Akira OOMORIJunpei MARUYAMASatoshi TAKATSUGIWataru SHIRAISHI
    • Akira OOMORIJunpei MARUYAMASatoshi TAKATSUGIWataru SHIRAISHI
    • B29C45/76B29C45/50
    • B29C45/76B29C45/52B29C2045/7606B29C2945/76013B29C2945/76096B29C2945/76187B29C2945/76381B29C2945/76652
    • An injection molding machine estimates a check valve wear amount, making it possible to predict a check valve use limit. At start of injection, the check valve is at a position advanced a stroke S0 with respect to a screw position (a position of a check seat that contacts the check valve and closes a resin flow channel). As the screw advances, the check valve retreats and closes when the screw moves a distance X0. When the check valve is worn ΔS (S1=S0+ΔS), it closes when the screw moves X1. Since the check valve stroke and the distance the screw moves until the check valve closes are proportional, S0/X0=S1/X1=a. Therefore, ΔS=aX1−S0, and the wear amount ΔS can be obtained by detecting the check valve closing position X1 and using this position X1 and the known stroke S0. The closing position is detected from the peak value of rotational force acting on the screw. Once the wear amount is obtained, the check valve use limit can be predicted from an allowable value of wear.
    • 注射成型机估计止回阀磨损量,使得可以预测止回阀的使用限度。 在注射开始时,止回阀位于相对于螺钉位置(与止回阀接触的止回阀的位置并且封闭树脂流动通道)的行程S0上升的位置。 随着螺丝的进行,当螺丝移动一段距离X0时,止回阀就退回并关闭。 当止回阀磨损DeltaS(S1 = S0 + DeltaS)时,螺钉移动X1时关闭。 由于止回阀行程和螺杆移动直到止回阀关闭的距离成正比,所以S0 / X0 = S1 / X1 = a。 因此,DeltaS = aX1-S0,并且可以通过检测止回阀关闭位置X1并使用该位置X1和已知行程S0来获得磨损量DeltaS。 根据作用在螺杆上的旋转力的峰值来检测关闭位置。 一旦得到磨损量,可以从允许的磨损值预测止回阀的使用极限。
    • 97. 发明授权
    • Mold clamping apparatus, molding machine and mold clamping method
    • 模具夹紧装置,成型机和模具夹紧方法
    • US07288221B2
    • 2007-10-30
    • US11087771
    • 2005-03-24
    • Makoto TsujiHiroshi YokoyamaShinya Itani
    • Makoto TsujiHiroshi YokoyamaShinya Itani
    • B29C45/80B22D17/26
    • B29C45/6728B29C45/76B29C2045/6757B29C2945/76083B29C2945/76096B29C2945/76224B29C2945/76234B29C2945/76568B29C2945/76712
    • To provide a mold clamping apparatus that a new actuator is not necessary for a mold thickness adjustment and that the mold thickness adjustment can be performed at low cost. A mold clamping apparatus has a tie bar having a piston and a coupled groove, a cylinder for mold clamping that has the piston of the tie bar built in and that pressured driving liquid for generating mold clamping force is supplied, a half nut coupled with the tie bar releasably by meshing with the coupled groove, a position sensor detecting a position of a moving direction of the tie bar, a direction change valve changing a supply of the driving liquid between a first cylinder chamber and a second cylinder chamber, and a control apparatus positioning a position of the tie bar at a position that the half nut and the coupled groove are able to be meshed by controlling the direction change valve in response to the position of the tie bar detected by the position sensor.
    • 为了提供一种用于模具厚度调节不需要新的致动器并且可以以低成本执行模具厚度调整的模具夹紧装置。 一种模具夹紧装置,具有活塞和连接槽的连接杆,用于模具夹紧的气缸,其具有内置的连接杆的活塞,并且供应用于产生合模力的加压驱动液体, 通过与所述联接槽啮合可释放地连接杆,检测所述连杆的移动方向的位置的位置传感器,改变所述驱动液体在第一缸室和第二缸室之间的供应的方向转换阀,以及控制 设备将所述连杆的位置定位在所述半螺母和所述联接槽能够通过响应于由所述位置传感器检测到的所述连杆的位置的控制来控制所述方向转换阀而啮合的位置。