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    • 3. 发明授权
    • Injection molding machine for two-material molding
    • 注塑机用于双材料成型
    • US08550800B2
    • 2013-10-08
    • US13377748
    • 2009-12-07
    • Satoshi MiyagawaNaoki KatoYasuaki OzekiHiroto MatsushitaMasamitsu SajiYasuo OkochiToshihiko KariyaKoji Kubota
    • Satoshi MiyagawaNaoki KatoYasuaki OzekiHiroto MatsushitaMasamitsu SajiYasuo OkochiToshihiko KariyaKoji Kubota
    • B29C45/73
    • B29C45/1628B29C45/73
    • It is an object to prevent dies from interfering with each other when the dies are closed and effectively prevent overshoot of cavity temperature while efficiently performing heating of the dies. In an injection molding machine for two-material molding including two sets of a first injecting unit and a second injecting unit that respectively plasticize different resin materials and inject and fill the resin materials, prior to performing injection molding on the first injecting unit side on a secondary side, after injection molding on the second injecting unit side on a primary side, heating of the dies is started before 180-degree rotation of a rotary die plate is completed. After the start of heating, until the 180-degree rotation of the rotary die plate is completed, i.e., die closing is performed, die temperatures are maintained within a temperature range set higher than die temperatures during the heating start and lower than die temperatures during injection.
    • 本发明的目的是在模具闭合时防止模具相互干扰,并且有效地防止腔体温度的过冲,同时有效地执行模具的加热。 在用于双材料成型的注射成型机中,包括两组分别塑化不同树脂材料并注入和填充树脂材料的第一注射单元和第二注射单元,在第一注射单元侧进行注射成型之前, 次级侧,在一次侧的第二注射单元侧注射成型后,在旋转模板的180度旋转完成之前开始模具的加热。 开始加热后,直到旋转模板的180度旋转完成,即执行模具闭合,模具温度保持在设定为高于加热开始时的模具温度的温度范围内,并且低于模具温度 注射。
    • 5. 发明授权
    • Injection molding system, computer program, method of injection molding, and injection molding machine
    • 注塑系统,计算机程序,注塑成型方法和注塑机
    • US08043537B2
    • 2011-10-25
    • US12516117
    • 2007-10-31
    • Yoshio ShikaseMichitaka HattoriShigeru NozakiSatoshi ImaedaToshihiko Kariya
    • Yoshio ShikaseMichitaka HattoriShigeru NozakiSatoshi ImaedaToshihiko Kariya
    • B29C45/73
    • B29C45/7306B29C45/78
    • There are provided an injection molding system, a computer program, a method of injection molding, and an injection molding machine capable of performing precise temperature control of a mold even when there is a delay in temperature increase of the mold in heat supply with a heating medium. The temperature control is performed so that temperatures of a fixed mold and a movable mold are maintained between an upper limit TU and a lower limit TL of a predetermined temperature range after start of injection of resin during an injection molding cycle. The temperature control of the fixed mold and the movable mold is performed only by switching ON/OFF supply of the heating medium, and cooling with a cooling medium is not performed. In a process of cooling the resin, the temperature control is performed so that the temperatures of the fixed mold and the movable mold are maintained between an upper limit TUa and a lower limit TLa of a temperature range effective for resin annealing by stop of supply of the cooling medium and the supply and stop of the heating medium.
    • 提供了注射成型系统,计算机程序,注射成型方法和能够对模具进行精确的温度控制的注射成型机,即使当加热的供热中模具的温度升高延迟时 中。 进行温度控制,使得在注射成型周期中开始注入树脂之后,固定模具和可动模具的温度保持在预定温度范围的上限TU和下限TL之间。 固定模具和活动模具的温度控制仅通过切换加热介质的ON / OFF供应而进行,并且不进行冷却介质的冷却。 在冷却树脂的过程中,进行温度控制,使得固定模具和可动模具的温度保持在通过停止供给的树脂退火有效的温度范围的上限TUa和下限值TLa之间 冷却介质和加热介质的供应和停止。
    • 8. 发明授权
    • Injection molding method and apparatus for controlling a mold temperature and displacement of an injection screw
    • 用于控制模具温度和注射螺杆位移的注射成型方法和装置
    • US08460586B2
    • 2013-06-11
    • US13122505
    • 2009-04-15
    • Toshihiko KariyaMichitaka HattoriShigeru NozakiSatoshi Imaeda
    • Toshihiko KariyaMichitaka HattoriShigeru NozakiSatoshi Imaeda
    • B29C45/78
    • B29C45/762B29C2045/7606B29C2945/7604B29C2945/76083B29C2945/76187B29C2945/76257B29C2945/76876
    • An injection molding device is provided with a mold, an injection unit equipped with an injection screw that is displaceably configured such that a molten resin is filled into a cavity by forward movement to perform plural injection operations including at least a filling operation and a pressure keeping operation by displacing the injection screw, a position sensor for detecting the position of the injection screw, a temperature sensor capable of measuring the temperature of the vicinity of the cavity of the mold, a temperature adjustment unit capable of adjusting the temperature of the mold by heating or cooling the mold, a control unit for controlling the displacement of the injection screw and the temperature of the mold and determining plural switching timings of the injection operations on the basis of the position of the screw, and a display unit for displaying an image. The control unit creates a temperature waveform of the vicinity of the cavity based on an input from the temperature sensor and displays a first correlation diagram showing the correlation between the temperature waveform and a predetermined variation corresponding to the change of the temperature waveform and showing at least part of the determined plural switching timings of the injection operations on the display unit.
    • 注射成型装置设置有模具,注射单元,其配备有可移动地构造的注射螺杆,使得熔融树脂通过向前运动而填充到空腔中,以执行多个注射操作,至少包括填充操作和压力保持 通过移动注射螺杆的操作,用于检测注射螺杆的位置的位置传感器,能够测量模具的腔的温度的温度传感器,能够通过以下方式调节模具的温度的温度调节单元 加热或冷却模具,用于控制注射螺杆的位移和模具的温度的控制单元,并且基于螺钉的位置确定喷射操作的多个切换定时,以及用于显示图像的显示单元 。 控制单元基于来自温度传感器的输入产生空腔附近的温度波形,并且显示示出温度波形与对应于温度波形的变化的预定变化之间的相关性的第一相关图,并且至少显示 所确定的在显示单元上的注入操作的多个切换定时的一部分。
    • 9. 发明申请
    • PLASTICIZING SCREW FOR INJECTION MOLDING AND INJECTION MOLDING METHOD USING SAME
    • 用于注塑成型和注射成型方法的塑化螺杆
    • US20130099421A1
    • 2013-04-25
    • US13805583
    • 2010-10-25
    • Toshihiko KariyaNaoki TodaMunehiro Nobuta
    • Toshihiko KariyaNaoki TodaMunehiro Nobuta
    • B29C45/47
    • B29C45/47B29C45/0005B29C45/60
    • A plasticizing screw for injection molding according to the present invention is installed in an injection molding machine that performs injection molding by plasticizing thermoplastic resin feedstock containing reinforcement fibers, and includes a shaft, a main flight, and a sub-flight. The protrusion height of the main flight from the circumferential surface of the shaft is formed to be constant in at least an area in which the sub-flight is provided. The sub-flight includes a flat surface portion which is provided on the rear end side in a winding direction and in which a protrusion height from the circumferential surface of the shaft is lower than that of the main flight and is constant, and an inclined surface portion which is provided to extend continuously from a leading end in the winding direction of the flat surface portion and in which a protrusion height from the circumferential surface of the shaft gradually increases toward the leading end side in the winding direction and is less than the protrusion height of the main flight.
    • 根据本发明的用于注射成型的增塑螺杆安装在注射成型机中,注射成型机通过增塑含有增强纤维的热塑性树脂原料进行注射成型,并且包括轴,主飞行和副飞行。 主飞行物从轴的圆周表面的突出高度在至少提供副飞行的区域中形成为恒定的。 副飞行包括平面部,其设置在沿着卷绕方向的后端侧,并且其中来自轴的圆周表面的突出高度低于主飞行的突出高度并且是恒定的,并且倾斜表面 从平面部的卷绕方向的前端连续地延伸的部分,其中来自轴的周面的突出高度在卷绕方向上朝向前端侧逐渐增大,并且小于突出部 主飞行高度