公开(公告)号：US08192193B2

公开(公告)日：2012-06-05

申请号：US13153481

申请日：2011-06-06

申请人： Hiroyasu Asaoka ,  Junpei Maruyama ,  Wataru Shiraishi ,  Toshio Ishikuro ,  Akira Oomori

发明人： Hiroyasu Asaoka ,  Junpei Maruyama ,  Wataru Shiraishi ,  Toshio Ishikuro ,  Akira Oomori

IPC分类号： B29C45/60

CPC分类号： B29C45/18 ,  B29C47/0009 ,  B29C47/369 ,  B29C47/6018 ,  B29C47/6075 ,  B29C2045/1875

摘要： A notched region in which the outer periphery of a screw flight is cut out is provided in a molding material feed screw. A wedge-shaped portion is formed by both a front wall surface of the screw flight and a wall surface of the boundary where the outer periphery of the screw flight is cut out. As a result of rotation of the molding material feed screw, since the wedge-shaped portion advances while pushing aside resin pellets located in the front thereof in two lateral directions of the front wall surface of the screw flight and the wall surface of the boundary where the outer diameter of the screw flight is cut out, entrapment of the resin pellets between the edge of a material supply port of a molding material supply device and the outer periphery of the screw flight is avoided as much as possible.

摘要翻译： 在模制材料进料螺杆中设置有切割螺旋形外周的缺口区域。 楔形部分由螺旋飞行的前壁表面和螺旋飞行的外周被切除的边界的壁表面形成。 由于成型材料进给螺杆的旋转，楔形部分在螺旋形飞行的前壁表面和边界的壁表面的两个横向方向上推开位于其前部的树脂颗粒的同时前进， 切除螺旋螺旋的外径，尽可能地避免树脂颗粒在成型材料供给装置的材料供给口的边缘与螺旋桨的外周之间的截留。

公开(公告)号：US20070196530A1

公开(公告)日：2007-08-23

申请号：US11709213

申请日：2007-02-22

申请人： Wataru Shiraishi ,  Toshio Ishikuro ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama ,  Hiroshi Watanabe ,  Tatsuya Kawasaki ,  Junpei Maruyama

发明人： Wataru Shiraishi ,  Toshio Ishikuro ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama ,  Hiroshi Watanabe ,  Tatsuya Kawasaki ,  Junpei Maruyama

IPC分类号： B29C45/76 ,  B29C45/77

CPC分类号： B29C45/50 ,  B29C45/54 ,  B29C45/76 ,  B29C2045/5096 ,  B29C2945/76856

摘要： A controller for an injection molding machine capable of reducing an extension of a cycle time in a screw retreat process after the end of measurement, obtaining a more accurate and uniform measured resin amount, and determining measurement conditions in a short period of time. After the measurement is finished, the screw is stopped from rotating and retreated at a first speed V1. The screw is reversely rotated at a predetermined speed Rv in a set zone. As this is done, the screw is retreated at a second speed V2 lower than the first speed V1. After the reverse rotation zone is terminated, the screw is stopped from rotating and retreated at a third speed V3 to a set retreat stop position. By doing this, the cycle time can be made shorter than in the case where the retreat and reverse rotation of the screw are performed separately. Since the retreating speed of the screw is low while the screw is being reversely rotated, a sudden pressure change can be suppressed, so that precise measurement can be made. Since conditions for the reverse rotation and retreat of the screw can be regulated independently, they can be adjusted to optimum conditions in a short period of time.

摘要翻译： 一种用于注射成型机的控制器，其能够在测量结束后减少螺杆后退过程中的循环时间的延长，获得更精确和均匀的测量树脂量，并在短时间内确定测量条件。 测量结束后，以第一速度V 1停止螺杆旋转和退回。 螺钉以设定区域中的预定速度Rv反向旋转。 这样做，螺杆以比第一速度V 1低的第二速度V 2退避。 在反向旋转区域终止之后，螺丝停止旋转并以第三速度V 3退回到设定的退避停止位置。 通过这样做，循环时间可以比在单独进行螺杆的后退和反向旋转的情况下更短。 由于当螺杆反向旋转时螺杆的后退速度低，所以可以抑制突然的压力变化，从而能够进行精确的测量。 由于可以独立地调节螺杆的反转和后退的条件，所以可以在短时间内将其调节到最佳状态。

公开(公告)号：US07452198B2

公开(公告)日：2008-11-18

申请号：US11709213

申请日：2007-02-22

申请人： Wataru Shiraishi ,  Toshio Ishikuro ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama ,  Hiroshi Watanabe ,  Tatsuya Kawasaki ,  Junpei Maruyama

发明人： Wataru Shiraishi ,  Toshio Ishikuro ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama ,  Hiroshi Watanabe ,  Tatsuya Kawasaki ,  Junpei Maruyama

IPC分类号： B29C45/77

CPC分类号： B29C45/50 ,  B29C45/54 ,  B29C45/76 ,  B29C2045/5096 ,  B29C2945/76856

摘要： A controller for an injection molding machine capable of reducing an extension of a cycle time in a screw retreat process after the end of measurement, obtaining a more accurate and uniform measured resin amount, and determining measurement conditions in a short period of time. After the measurement is finished, the screw is stopped from rotating and retreated at a first speed V1. The screw is reversely rotated at a predetermined speed Rv in a set zone. As this is done, the screw is retreated at a second speed V2 lower than the first speed V1. After the reverse rotation zone is terminated, the screw is stopped from rotating and retreated at a third speed V3 to a set retreat stop position. By doing this, the cycle time can be made shorter than in the case where the retreat and reverse rotation of the screw are performed separately. Since the retreating speed of the screw is low while the screw is being reversely rotated, a sudden pressure change can be suppressed, so that precise measurement can be made. Since conditions for the reverse rotation and retreat of the screw can be regulated independently, they can be adjusted to optimum conditions in a short period of time.

摘要翻译： 一种用于注射成型机的控制器，其能够在测量结束后减少螺杆后退过程中的循环时间的延长，获得更精确和均匀的测量树脂量，并在短时间内确定测量条件。 测量结束后，以第一速度V 1停止螺杆旋转和退回。 螺钉以设定区域中的预定速度Rv反向旋转。 这样做，螺杆以比第一速度V 1低的第二速度V 2退避。 在反向旋转区域终止之后，螺丝停止旋转并以第三速度V 3退回到设定的退避停止位置。 通过这样做，循环时间可以比在单独进行螺杆的后退和反向旋转的情况下更短。 由于当螺杆反向旋转时螺杆的后退速度低，所以可以抑制突然的压力变化，从而能够进行精确的测量。 由于可以独立地调节螺杆的反转和后退的条件，所以可以在短时间内将其调节到最佳状态。

公开(公告)号：US07722349B2

公开(公告)日：2010-05-25

申请号：US11937708

申请日：2007-11-09

申请人： Akira Oomori ,  Junpei Maruyama ,  Satoshi Takatsugi ,  Wataru Shiraishi

发明人： Akira Oomori ,  Junpei Maruyama ,  Satoshi Takatsugi ,  Wataru Shiraishi

IPC分类号： B29C45/80

CPC分类号： B29C45/76 ,  B29C45/52 ,  B29C2045/7606 ,  B29C2945/76013 ,  B29C2945/76096 ,  B29C2945/76187 ,  B29C2945/76381 ,  B29C2945/76652

摘要： 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.

摘要翻译： 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。 当止回阀磨损时，Dgr; S（S1 = S0 +＆Dgr; S），当螺丝移动X1时，它关闭。 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，＆Dgr; S = 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＆Dgr; S。 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。

公开(公告)号：US07661946B2

公开(公告)日：2010-02-16

申请号：US11877974

申请日：2007-10-24

申请人： Junpei Maruyama ,  Akira Oomori ,  Satoshi Takatsugi

发明人： Junpei Maruyama ,  Akira Oomori ,  Satoshi Takatsugi

IPC分类号： B29C45/77 ,  B29C45/80

CPC分类号： B29C45/50 ,  B29C45/52 ,  B29C45/76 ,  B29C2945/76006 ,  B29C2945/7602 ,  B29C2945/76076 ,  B29C2945/76096 ,  B29C2945/76187 ,  B29C2945/76193 ,  B29C2945/76381 ,  B29C2945/76585 ,  B29C2945/76652

摘要： When the screw moves forward, resin backflow occurs. The backflow acts on the screw, applying torque to the screw. During forward movement of the screw, screw torque is produced as shown in FIG. 3A if the check ring is not worn, or as shown in FIG. 3B if the check ring is worn, because wear increases the backflow and delays the closure of the check ring. The magnitude of the peak screw torque and the associated time and screw position vary depending on the presence or absence of wear, so wear of the check ring is estimated from variations in these physical quantities. The state of wear of the check ring, screw head, check seat, and other parts inside the barrel can be estimated.

摘要翻译： 当螺丝向前移动时，会发生树脂回流。 回转作用在螺钉上，向螺钉施加扭矩。 在螺杆的向前运动期间，产生如图5所示的螺杆扭矩。 如图3A所示，如果止回环未磨损，或者如图3所示。 3B，如果检查环磨损，因为磨损会增加回流并延迟止回环的关闭。 峰值螺杆扭矩的大小以及相关的时间和螺钉位置根据磨损的存在或不存在而变化，因此根据这些物理量的变化估计检查环的磨损。 检查环，螺丝头，检查座和桶内其他部位的磨损状态可以估计。

公开(公告)号：US20080305201A1

公开(公告)日：2008-12-11

申请号：US11877974

申请日：2007-10-24

申请人： Junpei Maruyama ,  Akira Oomori ,  Satoshi Takatsugi

发明人： Junpei Maruyama ,  Akira Oomori ,  Satoshi Takatsugi

IPC分类号： B29C47/92

CPC分类号： B29C45/50 ,  B29C45/52 ,  B29C45/76 ,  B29C2945/76006 ,  B29C2945/7602 ,  B29C2945/76076 ,  B29C2945/76096 ,  B29C2945/76187 ,  B29C2945/76193 ,  B29C2945/76381 ,  B29C2945/76585 ,  B29C2945/76652

摘要： When the screw moves forward, resin backflow occurs. The backflow acts on the screw, applying torque to the screw. During forward movement of the screw, screw torque is produced as shown in FIG. 3A if the check ring is not worn, or as shown in FIG. 3B if the check ring is worn, because wear increases the backflow and delays the closure of the check ring. The magnitude of the peak screw torque and the associated time and screw position vary depending on the presence or absence of wear, so wear of the check ring is estimated from variations in these physical quantities. The state of wear of the check ring, screw head, check seat, and other parts inside the barrel can be estimated

摘要翻译： 当螺丝向前移动时，会发生树脂回流。 回转作用在螺钉上，向螺钉施加扭矩。 在螺杆的向前运动期间，产生如图5所示的螺杆扭矩。 如图3A所示，如果止回环未磨损，或者如图3所示。 3B，如果检查环磨损，因为磨损会增加回流并延迟止回环的关闭。 峰值螺杆扭矩的大小以及相关的时间和螺钉位置根据磨损的存在或不存在而变化，因此根据这些物理量的变化估计检查环的磨损。 检查环，螺丝头，检查座和桶内其他部位的磨损状态可以估计

公开(公告)号：US07980844B2

公开(公告)日：2011-07-19

申请号：US12117839

申请日：2008-05-09

申请人： Junpei Maruyama ,  Satoshi Takatsugi

发明人： Junpei Maruyama ,  Satoshi Takatsugi

IPC分类号： B28B17/00 ,  A23P1/00

CPC分类号： B29C45/52 ,  B29C45/768 ,  B29C45/77 ,  B29C2945/76006 ,  B29C2945/7602 ,  B29C2945/7618 ,  B29C2945/76187 ,  B29C2945/76381 ,  B29C2945/76575 ,  B29C2945/76698 ,  B29C2945/76859 ,  B29C2945/76996

摘要： Torques and resin pressures applied to a screw are detected during the forward movement of the screw and coefficients of correlation between the detected torques and resin pressures are calculated. When the check ring is open, the flight of the screw receives resin pressure, and the screw torque increases proportionally to the resin pressure due to resin backflow, so the coefficients of correlation between the screw torques and the resin pressures are higher than a reference value. When the check ring closes, the flight of the screw no longer receive resin pressure, so the screw torque decreases and the coefficients of correlation become lower than the reference value. The check ring is determined to be closed when the coefficients of correlation become lower than the reference value.

摘要翻译： 在螺杆的向前运动期间检测施加到螺杆上的扭矩和树脂压力，并且计算检测到的扭矩和树脂压力之间的相关系数。 当止回环打开时，螺杆的螺纹受到树脂压力，螺杆扭矩由于树脂回流而与树脂压力成比例地增加，因此螺杆转矩和树脂压力之间的相关系数高于参考值 。 当止回环关闭时，螺杆的螺旋不再受到树脂压力，因此螺杆扭矩减小，相关系数低于参考值。 当相关系数低于参考值时，确定环被确定为闭合。

公开(公告)号：US07595013B2

公开(公告)日：2009-09-29

申请号：US11963975

申请日：2007-12-24

申请人： Junpei Maruyama ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama

发明人： Junpei Maruyama ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama

IPC分类号： B29C45/52

CPC分类号： B29C45/52 ,  B29C45/76 ,  B29C2945/76006 ,  B29C2945/7602 ,  B29C2945/76033 ,  B29C2945/76083 ,  B29C2945/76093 ,  B29C2945/7611 ,  B29C2945/76113 ,  B29C2945/76187 ,  B29C2945/76214 ,  B29C2945/76367 ,  B29C2945/76381 ,  B29C2945/76525 ,  B29C2945/76545 ,  B29C2945/76568 ,  B29C2945/76575 ,  B29C2945/76578 ,  B29C2945/76595 ,  B29C2945/76658 ,  B29C2945/76692

摘要： When a resin passage of a check ring is opened, resin backflow occurs during time when an injection screw is moved forward, and a reverse rotational force is applied to the screw by resin backflow. On the other hand, when the resin passage is closed, there is no resin backflow and the reverse rotational force applied to the screw is greatly reduced. Consequently, after completion of metering process and before injection process, the screw is moved forward after the screw has been rotated in reverse a predetermined amount to prevent resin backflow. At this time, a maximum value of the reverse rotational force applied to the screw is detected. Until the detected maximum reverse rotational force reaches a reference value or less, the reverse rotation amount is increased sequentially and respective molding cycles are carried out. When the detected maximum reverse rotational force reaches the reference value or less (passage closure), the reverse rotation amount at this time is set as the reverse rotation amount for the reverse rotation process. By means of this operation, an optimal reverse rotation amount can be adjusted automatically.

摘要翻译： 当止回环的树脂通道打开时，在注射螺杆向前移动的时间期间发生树脂回流，并且通过树脂回流对螺钉施加反向旋转力。 另一方面，当树脂通道关闭时，不存在树脂回流，并且施加到螺杆的反向旋转力大大降低。 因此，在计量过程完成和喷射过程之前，在螺杆已经旋转了预定量之后螺杆向前移动以防止树脂回流。 此时，检测施加到螺钉的反向旋转力的最大值。 在检测到的最大反向旋转力达到基准值以下之前，反向旋转量依次增加，并且进行相应的成型周期。 当检测到的最大反转旋转力达到基准值以下（通过关闭）时，此时的反转量被设定为反转处理的反转量。 通过该操作，可以自动调整最佳的反转量。

公开(公告)号：US07713049B2

公开(公告)日：2010-05-11

申请号：US11953923

申请日：2007-12-11

申请人： Junpei Maruyama ,  Satoshi Takatsugi

发明人： Junpei Maruyama ,  Satoshi Takatsugi

IPC分类号： B29C45/76

CPC分类号： B29C45/52 ,  B29C45/76 ,  B29C2945/7602 ,  B29C2945/76187 ,  B29C2945/76367 ,  B29C2945/76545

摘要： When a screw equipped with a check ring is moved forward, torque acting on the screw is detected, and whether the check ring is closed is determined on the basis of the detected torque. The screw is rotated in reverse when the check ring is determined not to be closed, and the reverse rotation of the screw is stopped when the check ring is determined to be closed. The reverse rotation of the screw is thereby controlled so that the screw is rotated in reverse by an optimal amount for reliably closing the check ring.

摘要翻译： 当装备有止回环的螺杆向前移动时，基于检测到的扭矩来确定作用在螺钉上的扭矩，并且检查环是否关闭。 当检查环被确定为不关闭时，螺钉反向旋转，并且当检查环被确定为关闭时，螺钉的反向旋转停止。 从而控制螺杆的反向旋转，使得螺杆反转旋转最佳量以可靠地闭合止回环。

公开(公告)号：US07595012B2

公开(公告)日：2009-09-29

申请号：US11937653

申请日：2007-11-09

申请人： Junpei Maruyama ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama

发明人： Junpei Maruyama ,  Satoshi Takatsugi ,  Tatsuhiro Uchiyama

IPC分类号： B29C45/52

CPC分类号： B29C45/766 ,  B29C45/52 ,  B29C2945/76006 ,  B29C2945/76013 ,  B29C2945/7602 ,  B29C2945/76076 ,  B29C2945/76096 ,  B29C2945/76187 ,  B29C2945/76193 ,  B29C2945/76367 ,  B29C2945/76374 ,  B29C2945/76578 ,  B29C2945/76665 ,  B29C2945/76672 ,  B29C2945/76846 ,  B29C2945/76852 ,  B29C2945/76913 ,  B29C2945/76936

摘要： In an injection molding machine capable of appropriately adjusting a control condition for a reverse rotation of a screw and a method for adjusting the control condition, molding is repeated with an amount of a reverse rotation of the screw performed after completion of metering and before injection to be varied in each molding cycle. In injection, resin flows backward until a check valve becomes closed. A peak value of a rotational force causing reverse rotation of the screw by the back flow of resin and other physical amounts are detected as indices of resin back-flow amount. An evaluation value of the control condition is obtained by inputting the indices of resin back-flow amount, metering time, etc. into an evaluation function. The value of screw reverse rotation amount with which the highest evaluation value is obtained is set for the screw reverse rotation.

摘要翻译： 在能够适当地调节螺杆的反向旋转的控制条件的注射成型机以及调整控制条件的方法中，在计量结束后，在注射前以螺杆的反向旋转量重复成型 在每个成型周期中都有所不同。 在注射时，树脂向后流动直到止回阀关闭。 作为树脂回流量的指标，检测由树脂的反向流动引起的螺杆的反转的旋转力的峰值和其他物理量。 通过将树脂回流量，计量时间等的指标输入到评价功能中来获得控制条件的评价值。 螺杆反向旋转设定获得最高评价值的螺杆反转量的值。