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1. 发明授权

US10654207B2 Injection molding machine and the molding method thereof 有权
公开(公告)号：US10654207B2
公开(公告)日：2020-05-19
申请号：US15474643
申请日：2017-03-30
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi Murata
IPC分类号： B29C45/76 , B29C45/80 , B29C45/77
摘要： A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold 2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

2. 发明授权

US11607831B2 Injection device 有权
公开(公告)号：US11607831B2
公开(公告)日：2023-03-21
申请号：US17266767
申请日：2019-03-28
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Yuichi Sakurada , Nanae Naito , Keita Arai , Hozumi Yoda , Hirofumi Murata
IPC分类号： B29C45/74 , B29C45/18 , B29C45/62
摘要： An injection device has a screw disposed in a heating cylinder so as to be rotatable and movable in an axial direction. An injection stage supports the heating cylinder. A material supplying unit supplies a resin material to the heating cylinder. A material introducing member is disposed between the material supplying unit and the heating cylinder and introduces the resin material from the material supplying unit to the heating cylinder, The material introducing member has a cylindrical portion fitted in a vertical hole provided in the injection stage, and a lower part of the cylindrical portion is in abutting contact with the heating cylinder. A heat medium passage extends inside a sidewall of the cylindrical portion for flowing therethrough a temperature-controlled heat medium, and a heat-insulating air space is formed between an outer circumferential surface of the cylindrical portion and a circumferential surface of the vertical hole.

3. 发明授权

US11318652B2 Injection molding machine and the molding method thereof 有权
公开(公告)号：US11318652B2
公开(公告)日：2022-05-03
申请号：US16662954
申请日：2019-10-24
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi Murata
IPC分类号： B29C45/76 , B29C45/80 , B29C45/77
摘要： A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold 2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

4. 发明授权

US09682506B2 Control method and control device for injection molding machine 有权
公开(公告)号：US09682506B2
公开(公告)日：2017-06-20
申请号：US14597455
申请日：2015-01-15
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi Murata
IPC分类号： B29C45/80 , B29C45/76
CPC分类号： B29C45/76 , B29C2945/76096 , B29C2945/76267 , B29C2945/76381 , B29C2945/76384 , B29C2945/76391 , B29C2945/76414 , B29C2945/76461 , B29C2945/76505 , B29C2945/76869 , B29C2945/76936
摘要： A molding injection pressure Pi with which a parting opening Lm is formed between a movable mold 2m and a fixed mold 2c during injection-filling and which allows formation of a good molded article is obtained and set in advance. A molding clamping force Pc that allows formation of a good molded article is obtained and set in advance. During production, a mold clamping device Mc is clamped with the molding clamping force Pc, and an injection device Mi to apply the molding injection pressure Pi as a limit pressure Ps is driven to injection-fill a mold 2 with resin R. A parting opening detector 3 that detects the parting opening Lm is provided. During production, reset control is executed to reset the parting opening detector 3 to zero if reset timing tr set in advance has come at least on condition that given preparation for injection is completed after clamping. The reset timing is set in a range covering a given period Zs before injection start time and the given period Zs after the injection start time.

5. 发明授权

US09044891B2 Control device of an injection molding machine 有权
标题翻译：注塑机的控制装置
公开(公告)号：US09044891B2
公开(公告)日：2015-06-02
申请号：US13690171
申请日：2012-11-30
申请人： NISSEI PLASTIC INDUSTRIAL CO., LTD.
发明人： Hirofumi Murata
IPC分类号： B29C45/78 , B29C45/80 , B29C45/76
CPC分类号： B29C45/7653 , B29C45/766 , B29C2045/7606
摘要： An injection molding machine includes a molding machine controller having a computer function to perform molding by controlling a mold clamping device that clamps a mold and an injection device that injects and charges resin, plasticized and molten by rotation of a screw inside a heating cylinder, into the mold by advancement of the screw. The molding machine controller includes a mode selecting function that selects either of two modes of an injection side setting priority mode for injecting and charging the resin by giving priority to a molding condition set on the injection device side and a mold clamping side setting priority mode for injecting and charging the resin by giving priority to a molding condition set on the mold clamping device side. A setting screen display function for displaying an injection side priority setting screen and displaying a mold clamping side priority setting screen is provided.
摘要翻译：注射成型机包括具有计算机功能的成型机控制器，该成型机控制器通过控制夹持模具的模具夹紧装置和注射和加载树脂的注射装置进行成型，所述注射装置通过加热缸内的螺杆的旋转而被塑化和熔化成型，模具通过推进螺丝。成型机控制器包括模式选择功能，其通过优先考虑在注射装置侧设定的成型条件和选择模具夹紧侧设定优先模式来选择注射侧设定优先模式的两种模式中的任一种，以注射和充注树脂通过优先设置在合模装置侧的成型条件来注入和充入树脂。提供了用于显示注入侧优先级设置屏幕和显示合模侧优先级设置屏幕的设置屏幕显示功能。

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