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22. 发明公开

EP1990175A1 Injection molding nozzle with valve pin alignment 有权
标题翻译： Einspritzformdüsemit Ventilstiftausrichtung
公开(公告)号：EP1990175A1
公开(公告)日：2008-11-12
申请号：EP08008621.8
申请日：2008-05-07
申请人： Mold-Masters (2007) Limited
发明人： Fairy, Fabrice , Babin, Denis , Klobucar, Peter
IPC分类号： B29C45/28
CPC分类号： B29C45/2806 , B29C45/2711 , B29C45/278
摘要： An injection molding apparatus is disclosed that includes a valve-gated nozzle having a nozzle tip assembly and a valve pin slidably disposed therein. The nozzle tip assembly includes a nozzle liner having a first valve pin guiding portion, a valve pin guide having a second valve pin guiding portion upstream of the first valve pin guiding portion, and a transfer seal having a bore for receiving the nozzle liner and the valve pin guide therein.
The transfer seal bore includes an alignment surface that surrounds the nozzle liner and the valve pin guide to align the first and second valve pin guiding portions with the mold gate, such that the valve pin is accurately aligned during operation. The transfer seal also includes means to couple the nozzle tip assembly to the nozzle body.
摘要翻译：公开了一种注射成型装置，其包括具有喷嘴头组件和可滑动地设置在其中的阀销的阀门浇口。喷嘴头组件包括具有第一阀销引导部分的喷嘴衬套，具有在第一阀销引导部分上游的第二阀销引导部分的阀销引导件和具有用于接收喷嘴衬套的孔的传送密封件，阀销引导件。传送密封孔包括围绕喷嘴衬套和阀销引导件的对准表面，以将第一和第二阀销引导部分与模具浇口对准，使得阀销在操作期间精确对准。传送密封件还包括将喷嘴头组件连接到喷嘴体的装置。

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