公开(公告)号：JP2004195917A

公开(公告)日：2004-07-15

申请号：JP2002370040

申请日：2002-12-20

Applicant: Seiki Corp ,  世紀株式会社

Inventor： TANAKA YOSHITERU ,  YOSHIDA MASAAKI

IPC: B29C45/73 ,  B29C45/28 ,  B29C45/78 ,  B29K21/00 ,  B29K101/10

Abstract: PROBLEM TO BE SOLVED: To provide a high productivity molding machine which allows a high speed injection molding operation by effectively controlling the thermal effect acting on a movable runner bushing corresponding to the runner section of the movable constitution and a valve pin running through within the runner bushing and its molding method.
SOLUTION: The heat-treatment device for a runnerless molding machine for a thermosetting resin, rubber or the like comprises arranging a heating means within the valve pin 14 which heats the fluid raw material to its curing temperature, during the process the valve pin is closing the gate, or when the pin has closed the gate at the time of the closure in injection molding.
COPYRIGHT: (C)2004,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种高生产率的成型机，其通过有效地控制作用在与可移动构件的流道部分相对应的可移动流道套管上的热效应以及贯穿 在流道衬套及其成型方法中。 解决方案：用于热固性树脂，橡胶等的无浇道成型机的热处理装置包括在阀销14内布置加热装置，该加热装置将流体原料加热至其固化温度，在该过程中阀 引脚正在关闭门，或者当注射成型时针在关闭时关闭门。 版权所有（C）2004，JPO＆NCIPI

公开(公告)号：JP2004188871A

公开(公告)日：2004-07-08

申请号：JP2002361188

申请日：2002-12-12

Applicant: Seiki Corp ,  世紀株式会社

Inventor： TANAKA YOSHITERU ,  YOSHIDA MASAAKI

IPC: B29C45/27 ,  B29K21/00 ,  B29K101/10

Abstract: PROBLEM TO BE SOLVED: To attempt for reducing a cost by simplifying a driving mechanism of a movable runner bush corresponding to a movably constructed runner component and by utilizing an existing another component.
SOLUTION: The driving mechanism of a movable runner bush in a runner-less molding apparatus for a thermosetting resin and a rubber or the like utilizes a driving force generated on moving a molding machine and a stability of a spring mechanism compressed through a nozzle 24 by the driving force of the molding machine, as a driving source for moving the movable runner bush 11 in the front and in the rear.
COPYRIGHT: (C)2004,JPO&NCIPI

公开(公告)号：JP3530179B2

公开(公告)日：2004-05-24

申请号：JP2002351147

申请日：2002-12-03

Applicant: 世紀株式会社

Inventor： 正明 吉田 ,  義照 田中

IPC: B29C45/27 ,  B29C45/26 ,  B29C45/73 ,  B29K101/10

CPC classification number: B29C45/281 ,  B29C2045/2813 ,  B29C2045/2872

Abstract: PROBLEM TO BE SOLVED: To provide a thermosetting resin, a runnerless molding device for a rubber, etc., and its manufacturing method which prevents thermal conduction of a high molding temperature of a cavity at the time of molding operation to a runner part by keeping the gate isolated and opened for a longer time, eliminates a material loss to a sprue runner by forming a homogeneous temperature distribution in the runner, and takes effects to improve moldability and alleviate a load to the global environment by attempting to reduce the industrial wastes. SOLUTION: The device features that, at the time of conducting a heat treatment by installing a movable runner bush 15 which distributes fluidized materials which are maintained at a low temperature in an uncured and unvulcanized condition and supplied from an injection nozzle 31 in a temperature control bush 13 connecting with a gate 4 of a cavity 1 while allowing a free sliding, a heat insulation space A is formed by keeping a distance between the movable runner bush 15 and the gate 4, a valve pin 18 is inserted into the movable runner bush 15 while allowing a free moving, and the gate 4 can be opened and closed by operating the valve pin 18 in connection with the extraction operation of fluidized materials. COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2004042662A

公开(公告)日：2004-02-12

申请号：JP2003330027

申请日：2003-09-22

Applicant: Seiki Corp ,  世紀株式会社

Inventor： TANAKA YOSHITERU ,  YOSHIDA MASAAKI

IPC: B29C45/27

Abstract: PROBLEM TO BE SOLVED: To afford an improved moldability and a load mitigation on global environment with reductions in a fabrication cost and industrial waste as well as material loss eradication of sprue runners, which are achieved by long distance separation from a gate so as to prevent high molding temperature of a cavity from conducting into a runner member and give the runner uniform temperature distribution during molding.
SOLUTION: In a runner-less molding apparatus for a thermosetting resin, a rubber and the like, a movable runner bushing 15, which can circulate an uncured, unvulcanized and low temperature fluidized raw material supplied from an infusion nozzle 31, is slidably arranged into a temperature adjustment bushing 13 leading to a gate 4 of a cavity 1. During heat-treatment, a thermal insulating empty space A is formed by separating the distance between above-mentioned runner bushing 15 and the gate 4 and, a valve pin 18 is allowed to open and close the gate 4 in connection with a spouting operation by inserting the valve pin 18 with removability in the runner bushing 15.
COPYRIGHT: (C)2004,JPO

公开(公告)号：JP5930741B2

公开(公告)日：2016-06-08

申请号：JP2012019962

申请日：2012-02-01

Applicant: 世紀株式会社

Inventor： 上杉 知彦

IPC: B29C45/28

公开(公告)号：JP5646429B2

公开(公告)日：2014-12-24

申请号：JP2011233946

申请日：2011-10-25

Applicant: 世紀株式会社

Inventor： 田中　義照 ,  義照 田中

IPC: B29C45/28 ,  B29C45/77

公开(公告)号：JP5634970B2

公开(公告)日：2014-12-03

申请号：JP2011233948

申请日：2011-10-25

Applicant: 世紀株式会社

Inventor： 上杉　知彦 ,  知彦 上杉

IPC: B29C45/28 ,  B29C45/17

公开(公告)号：JP2013091212A

公开(公告)日：2013-05-16

申请号：JP2011233947

申请日：2011-10-25

Applicant: Seiki Corp ,  世紀株式会社

Inventor： YAMAGISHI MASANORI

IPC: B29C45/28

Abstract: PROBLEM TO BE SOLVED: To provide a valve opening/closing mechanism using mold opening/closing actuating force, capable of opening/closing a valve without using an external controller and an air circuit by opening/closing the valve by the use of locomotion of a movable mold and a product ejecting mechanism as examples for driving.SOLUTION: This valve opening/closing mechanism using the mold opening/closing actuating force includes: recessed portions 14 on one side, provided in a fixed mold 1 and forming cavities; projecting portions 17 on the other side, formed on a core plate 16 provided in front of the movable mold 3, engaged with the recessed portions 14, and forming cavities; a movable plate 10 provided within the fixed mold 1 and having pressing force normally acting toward the recessed portions 14 in the fixed mold 1; valve pins 9 each having one end connected to the movable plate 10 and opening/closing gates; drive rods 15 provided in the movable mold 1 and provided to vertically installing the core plate 10; and insertion holes 13 for inserting the drive rods 15 and leading to the movable plate 10. The gates 8 leading to the cavities are opened/closed every time injection molding operation is performed.

Abstract translation: 要解决的问题：提供一种使用模具打开/关闭致动力的阀打开/关闭机构，能够通过使用外部控制器打开/关闭阀而不使用外部控制器和空气回路 活动模具和产品弹出机构的运动作为驱动的例子。 解决方案：使用开模/关闭致动力的该阀打开/关闭机构包括：一侧的凹部14，设置在固定模具1中并形成腔体; 形成在设置在可动模具3的前方的芯板16上形成在另一侧的突出部分17与凹部14接合并形成空腔; 设置在固定模具1内并且具有通常作用于固定模具1中的凹部14的按压力的可动板10; 每个阀销9的一端连接到可动板10和开/关门; 驱动杆15设置在可动模具1中并设置成垂直安装芯板10; 以及用于插入驱动杆15并通向可动板10的插入孔13.每当进行注塑操作时，通向空腔的门8被打开/关闭。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2013091211A

公开(公告)日：2013-05-16

申请号：JP2011233946

申请日：2011-10-25

Applicant: Seiki Corp ,  世紀株式会社

Inventor： TANAKA YOSHITERU

IPC: B29C45/28 ,  B29C45/77

Abstract: PROBLEM TO BE SOLVED: To provide a speed control device for valve pins in an injection molder which decreases the speed of the valve pin during the time of gate blockade to protects gate damage in a high speed operation of the valve pin which opens and closes the valve gate of an injection molder, and also a speed control device for valve pins.SOLUTION: In the injection molder which makes a piston 4 on the head of a valve pin 3 which opens and closes a gate 2 reciprocate by working fluid within a cylinder 5 and blockades the melted resin in a cavity which communicates with the gate 2 in order to cool and solidify for fabricating at each time of injection operation, the speed control device for valve pins is characterized in that; by means of a discharge decreasing regulation mechanism A for the working fluid arranged between a working surface 4a of the working fluid toward the gate 2 side of the piston 4 and a passageway of the working fluid of the cylinder 5 facing the working surface 4a, the tip of the valve pin 3 decreases the passage volume from passageway of the working fluid of the cylinder 5 before entering an opening of the gate to delay the gate entering speed of the valve pin 3.

Abstract translation: 要解决的问题：提供一种用于注射成型机中的阀销的速度控制装置，其在闸门阻挡期间降低阀销的速度，以在打开的阀销的高速操作中保护门损坏 关闭注射成型机的阀门，以及阀针的速度控制装置。 解决方案：在注射成型机中，使活塞4在阀销3的头部上，阀3的打开和关闭门2通过缸5内的工作流体往复运动，并将熔融的树脂封闭在与门连通的空腔中 为了在每次注射操作时冷却和固化以进行制造，阀销的速度控制装置的特征在于： 通过设置在工作流体的工作表面4a朝向活塞4的闸门2侧的工作流体和缸5的工作流体面向工作表面4a的通道之间的排放减小调节机构A， 阀门3的尖端在进入闸门开口之前减小了缸体5的工作流体通道的通道容积，以延迟阀销3的闸门进入速度。（C）2013，JPO＆INPIT

公开(公告)号：JP2012153015A

公开(公告)日：2012-08-16

申请号：JP2011014206

申请日：2011-01-26

Applicant: Seiki Corp ,  世紀株式会社

Inventor： YAMAGISHI MASANORI

IPC: B29C45/28

Abstract: PROBLEM TO BE SOLVED: To provide a side gate valve device for an injection molding machine configured to rotate linear motion of a piston mechanism 90 degrees by using the principle of leverage and a cam mechanism, arrange one or more valve pins on a lateral plane and actuate one or more gates.SOLUTION: In the side gate valve device for the injection molding machine, every time the injection molding machine is operated, the one or more valve pins 9 opening/closing the one or more gates of one or more cavities are made orthogonal to a single drive piston 1 to be opened/closed via a leverage mechanism B and the cam mechanism A with respect to reciprocation of the drive piston 1.

Abstract translation: 要解决的问题：为了提供一种用于注射成型机的侧闸阀装置，其被配置为通过使用杠杆原理和凸轮机构将活塞机构的直线运动旋转90度，将一个或多个阀销布置在 横向平面并致动一个或多个门。 解决方案：在注射成型机的侧闸阀装置中，每次注塑机操作时，一个或多个打开/关闭一个或多个空腔的一个或多个浇口的阀销9与 单个驱动活塞1通过杠杆机构B和凸轮机构A相对于驱动活塞1的往复运动而打开/关闭。版权所有（C）2012，JPO＆INPIT