公开(公告)号：US06203747B1

公开(公告)日：2001-03-20

申请号：US09234352

申请日：1999-01-20

申请人： Otto Grunitz

发明人： Otto Grunitz

IPC分类号： B29C4550

CPC分类号： B29C45/585

摘要： An injection molding machine includes an injection molding cylinder with a material supply at one end and an injection nozzle at the other end and a material conveyance unit attached to a drive and movable in the injection molding cylinder. The injection molding machine also includes a vibration element for inducing a flow of melt within the injection molding cylinder for homogenizing the melt.

摘要翻译： 注射成型机包括：一端具有材料供给的注射成型气缸和另一端的注射喷嘴;以及附着在驱动器上且可在注射成型气缸中移动的材料输送单元。 注射成型机还包括用于在注射成型气缸内引起熔体流动的振动元件，用于均化熔体。

公开(公告)号：US06425753B1

公开(公告)日：2002-07-30

申请号：US09452843

申请日：1999-12-03

申请人： Stefan Eppich

发明人： Stefan Eppich

IPC分类号： B29C4550

CPC分类号： B29C45/5008 ,  B29C2045/502

摘要： An injection unit for an injection molding machine has a plasticising cylinder and a plasticising screw arranged axially displaceably therein. The plasticising cylinder is fixedly connected to a housing which, at two mutually opposite walls, carries a respective crank drive extending parallel to the wall for displacement of the plasticising screw. A motor for driving the crank drive is internally fixed to the wall and the axis of rotation of the motor extends normal to the crank drive.

摘要翻译： 注射成型机的注射单元具有塑化筒和在其中轴向移位的塑化螺杆。 塑化筒固定地连接到壳体，壳体在两个相互相对的壁处承载平行于壁延伸的相应的曲柄驱动器，用于移动塑化螺杆。 用于驱动曲柄驱动器的电动机内部固定到壁上，并且马达的旋转轴线垂直于曲柄驱动器延伸。

公开(公告)号：US06478572B1

公开(公告)日：2002-11-12

申请号：US09610814

申请日：2000-07-06

申请人： Robert D. Schad

发明人： Robert D. Schad

IPC分类号： B29C4550

CPC分类号： B29C45/5008 ,  B29C45/54 ,  B29C45/68 ,  B29C47/0009 ,  B29C47/0801 ,  B29C2045/5068 ,  B29C2045/824

摘要： An energy efficient drive system is provided for use on typical injection molding machines whereby a single electric motor drives both the extruder screw and a hydraulic motor that continuously charges a hydraulic accumulator during the extrusion process. During the injection cycle, the charge in the accumulator is directed to stroke the extruder screw and inject melt into the mold cavities. Another embodiment utilizes a similar arrangement on the clamp mechanism of the injection molding machine whereby the charge in the accumulator is directed to hold the mold closed during the injection cycle.

摘要翻译： 提供了一种用于典型注塑机的节能驱动系统，由此单个电动机驱动挤出机螺杆和在挤出过程中连续地对液压蓄能器充气的液压马达。 在注射循环期间，蓄能器中的电荷被引导以冲击挤出机螺杆并将熔体注入模腔中。 另一个实施例在注塑机的夹紧机构上采用类似的布置，由此蓄能器中的电荷被引导以在注射周期期间保持模具闭合。

公开(公告)号：US06616440B2

公开(公告)日：2003-09-09

申请号：US09840036

申请日：2001-04-24

申请人： Min-Wen Wang ,  Hsiang-Nien Chung ,  Ming-Chang Deng

发明人： Min-Wen Wang ,  Hsiang-Nien Chung ,  Ming-Chang Deng

IPC分类号： B29C4550

CPC分类号： B29C45/5008 ,  B29C2045/5056

摘要： A speed-up mechanism for an injection molding machine has a front fixed plate having a through hole at the center; a rear fixed plate arranged parallel with the front fixed plate, and the rear fixed plate having at least one through hole; at least two guide bars parallel to each other arranged between the front fixed plate and the rear fixed plate in an equal distance; a movable plate slidably arranged on the guide bars between the front fixed plate and the rear fixed plate, and capable of moving toward and away; a rotary power source fixed on one side of the movable plate for providing rotary power, the rotatry power source comprising a transmission device; a fixed nut mounted on the rear fixed plate; at least one ball screw having two threads in opposite directions at two ends, the front end is engaged with the transmission device for generating a radial rotation, the rear end is engage with the fixed nut and through the rear fixed plate to generate an axial movement for the ball screw during the rotation; and at least one movable nut engaged with the front end of the ball screw to move along the ball screw during the rotation of the ball screw, the outside of the movable nut is connected to the movable plate to drive the movable plate in the axial direction during the rotation of the ball screw.

摘要翻译： 注射成型机的加速机构具有在中心具有通孔的前固定板， 后固定板，其与所述前固定板平行配置，所述后固定板具有至少一个通孔; 彼此平行的至少两个引导杆以相等的距离布置在前固定板和后固定板之间; 可滑动地布置在前固定板和后固定板之间的引导杆上并且能够朝向和远离移动的可动板; 旋转电源，其固定在所述可移动板的一侧以提供旋转动力;所述旋转动力源包括传动装置; 固定螺母安装在后固定板上; 至少一个滚珠丝杠在两端具有相反方向的两个螺纹，前端与传动装置接合以产生径向旋转，后端与固定螺母啮合并通过后固定板产生轴向运动 用于旋转时的滚珠丝杠; 以及与滚珠丝杠的前端接合的至少一个活动螺母，在滚珠丝杠旋转期间沿着滚珠丝杠移动，可动螺母的外部与可动板连接，以沿轴向驱动可动板 在滚珠丝杠旋转期间。

公开(公告)号：US06530774B2

公开(公告)日：2003-03-11

申请号：US09782515

申请日：2001-02-14

申请人： Atsushi Emoto

发明人： Atsushi Emoto

IPC分类号： B29C4550

CPC分类号： B29C45/5008 ,  B29C2045/5056

摘要： An object of the invention is to provide an injection molding machine that can decrease mechanical vibration in an injection stage, that can meet a predetermined injection speed rapidly, and that has the high reliability of electric wires to supply electricity to the metering motor. An injection molding machine has a mechanical frame comprising a front plate and a rear plate, a heating cylinder fixed to the front plate, a screw disposed inside the heating cylinder so that the screw can be rotated about and can be advanced and retracted along an axis, a ball screw shaft which is disposed along the axis and which advances and retracts a screw shaft, a metering motor fixed to the front plate, and a rotation transmission mechanism which transmits rotation of the metering motor to the screw shaft. The rotation transmission mechanism is supported by the front plate and slidably engaged with the ball screw shaft along the axis. Consequently, since the metering motor fixed to the front plate is not moved by the advancing and retracting motion of the ball screw shaft, the mass of the moved portion is small so that mechanical vibration is decreased in the injection stage. A predetermined injection speed is also met rapidly. Moreover, the reliability of electric wires to supply electricity to the metering motor is improved.

摘要翻译： 本发明的目的是提供一种注射成型机，其可以减少注射阶段中的机械振动，其可以快速满足预定的注射速度，并且具有电线的高可靠性以向计量马达供电。 注射成型机具有包括前板和后板的机械框架，固定到前板的加热筒，设置在加热缸内部的螺钉，使得螺杆可以沿着轴线旋转并且可以前进和后退 ，沿着轴线设置并使螺杆轴前进和缩回的滚珠丝杠轴，固定到前板的计量马达以及将计量马达的旋转传递到螺杆轴的旋转传递机构。 旋转传动机构由前板支撑，并与滚珠丝杠轴沿轴线滑动接合。 因此，由于固定在前板上的计量马达不被滚珠丝杠轴的前进和后退运动所移动，所以移动部分的质量很小，使得在注射阶段中机械振动减小。 预定的注射速度也快速满足。 此外，电线向计量电动机供电的可靠性提高。

公开(公告)号：US06451230B1

公开(公告)日：2002-09-17

申请号：US09420704

申请日：1999-10-19

申请人： Helmut Eckardt ,  Jurgen Ehritt

发明人： Helmut Eckardt ,  Jurgen Ehritt

IPC分类号： B29C4550

CPC分类号： B29C45/1704 ,  B29C44/3446 ,  B29C44/422 ,  B29C44/60 ,  B29C2045/1722 ,  Y10S264/83

摘要： A method for injection molding plastic molded parts from thermoplastic, comprises the following steps: the production of a thermoplastic melt (1) through the rotation of a plasticizing and injection screw (2) in a preplasticizing cylinder (3); the addition to the thermoplastic melt (1) of a fluid (4) by introducing the fluid (4) into the preplasticizing cylinder (3); the mixing up the thermoplastic melt (1) to which the fluid (4) has been added, through the rotational motion of the plasticizing and injection screw (2); the injection of the mixture of thermoplastic melt (1) and fluid (4) into the cavity (8) of an injection molding tool (5). In order to make this method suitable especially for the reliable and reproducible production of large, foamed plastic molded parts, the invention is characterized in that the mixture of thermoplastic melt (1) and fluid (4) is injected into the cavity (8) of an injection molding tool (5) through the translational motion of the plasticizing and injection screw (2), the fluid (4) is introduced into the preplasticizing cylinder (3) at an axial position (6) where the screw channels (7) of the plasticizing and injection screw (2) are situated at least some of the time, and the pressure difference (delta p) between the pressure (PF) of the fluid (4) and the pressure (ps) in the thermoplastic melt (1) is maintained essentially constant while the fluid (4) is being introduced into the preplasticizing cylinder.

摘要翻译： 一种从热塑性塑料注射成型塑料模制件的方法包括以下步骤：通过塑化和注射螺杆（2）在预塑化气缸（3）中的旋转来生产热塑性熔体（1）; 通过将流体（4）引入预塑化气缸（3）中来添加流体（4）的热塑性熔体（1）; 通过塑化和注射螺杆（2）的旋转运动将已加入流体（4）的热塑性熔体（1）混合; 将热塑性熔体（1）和流体（4）的混合物注射到注射模制工具（5）的空腔（8）中。 为了使该方法特别适用于生产大型泡沫塑料模制件的可靠和可重复的生产，本发明的特征在于将热塑性熔体（1）和流体（4）的混合物注入到 通过塑化和注射螺杆（2）的平移运动的注射模制工具（5），流体（4）在轴向位置（6）处被引入预塑性气缸（3）中，其中螺杆通道（7） 塑化和注射螺杆（2）至少位于一些时间，并且流体（4）的压力（PF）与热塑性熔体（1）中的压力（ps）之间的压力差（Δp） 当流体（4）被引入预塑化气缸中时，基本上保持恒定。

公开(公告)号：US06443722B1

公开(公告)日：2002-09-03

申请号：US09633872

申请日：2000-08-07

申请人： Romano Castelli ,  Maurilio Meschia

发明人： Romano Castelli ,  Maurilio Meschia

IPC分类号： B29C4550

CPC分类号： B29C45/5008 ,  B29C2045/5036 ,  B29C2045/5072

摘要： An electric injection assembly for injection presses for plastic materials, comprising a plasticating screw (5) that performs a translational feed movement during injection of the plastic material into a mould cavity and a rotary movement around its own axis and a rotary translational movement of rotation around its own axis and retraction during the plasticating stage of the plastic material, the plasticating screw being connected to a drive screw (30) comprising two sections (30A, 30B) with threads having the helix in opposite directions, each of the sections (30A, 30B) engaging in respective screw nuts (31A, 31B) driven in rotation by respective electric motors (32A, 32B) through respective reduction units (33A, 33B).

摘要翻译： 一种用于塑料材料的注射压力机的电动注射组件，包括一个塑料螺杆（5），该塑化螺杆（5）在将塑料材料注入模具腔体期间执行平移进给运动，并且围绕其自身的轴线进行旋转运动，以及旋转的旋转平移运动 其自身的轴线和在塑料材料的塑化阶段中的缩回，塑化螺钉连接到包括两个部分（30A，30B）的驱动螺杆（30），螺纹具有相反方向的螺旋，每个部分（30A， 30B）通过相应的减速单元（33A，33B）接合由各个电动机（32A，32B）旋转驱动的相应的螺母（31A，31B）。