CN101635193B - 自承式线缆护套挤塑模具 - Google Patents

自承式线缆护套挤塑模具 Download PDF

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CN101635193B
CN101635193B CN2009101413782A CN200910141378A CN101635193B CN 101635193 B CN101635193 B CN 101635193B CN 2009101413782 A CN2009101413782 A CN 2009101413782A CN 200910141378 A CN200910141378 A CN 200910141378A CN 101635193 B CN101635193 B CN 101635193B
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CN101635193A (zh
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沈群华
魏梦姣
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JIANGSU KANGFEITE POWER TECHNOLOGY Co Ltd
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Abstract

本发明涉及自承式光、电缆护套挤塑模具，它由模芯单元与模盖单元组成；模芯单元上设有吊线模芯柱、缆芯模芯柱、模芯体、固定夹持部分、固定部分，模芯单元内部有模芯腔；吊线模芯柱、缆芯模芯柱内都设有与模芯腔是连通的孔，所述的模芯单元为一体式结构；模盖单元由出料端和模盖体组成，模盖体内部设有模套腔，出料端上设有吊线护层出料孔、外护层出料孔和吊带孔，吊带孔与吊线护层出料孔、外护层出料孔是相连且与模套腔是相通的；本发明由于模芯体与模套腔设计合理，故模芯单元与模盖单元配合恰当，故用此模具生产的自承式线缆外观更光滑，护套厚度分布更均匀，模具更耐用，产品合格率更高。

Description

自承式线缆护套挤塑模具
技术领域
本发明涉及线缆护套挤塑模具，尤其是自承式光、电缆护套挤塑模具。
背景技术
自承式光、电缆通常用于架空敷设，它们一般由两部分组成：上部分为吊线，是由钢丝绳或者多根绞合的非金属加强件构成的，在其外部挤有吊线护层；下部分由光、电缆缆芯组成，缆芯外挤包有外护层；连接上部分与下部分的为吊带；吊线护层、吊带、外护层为一体式挤塑而成的；由于吊线与缆芯的材料不一样，因此，当模具设计不良时，护套挤塑时及挤塑后，往往会使线缆呈现不良的外观，很难满足使用的要求，重则会使产品报废，对生产企业造成不必要的损失。
发明内容
本发明的目的是提供一种优良的自承式线缆护套挤塑模具，它是采用以下技术方案来实现的：
自承式线缆护套挤塑模具，它由模芯单元1与模盖单元2组成；模芯单元1前端有吊线模芯柱11、缆芯模芯柱12，中间有模芯体17、固定夹持部分13，后端有固定部分14、固定部分14上设有螺纹、固定部分14的末端上有倒角15，模芯单元1内部有模芯腔16；所述吊线模芯柱11内部设有吊线孔111，缆芯模芯柱12内部设有模芯孔121，所述吊线孔111与模芯腔16是连通的、所述模芯孔121与模芯腔16是连通的，所述的模芯单元为一体式结构；模盖单元2由位于前端的出料端25和位于后端的模盖体24组成，模盖体24内部设有模套腔26，出料端25上设有吊线护层出料孔21、外护层出料孔22和吊带孔23，所述吊带孔23与吊线护层出料孔21是相连的，所述吊带孔23与外护层出料孔22是相连的，所述吊线护层出料孔21、吊带孔23与外护层出料孔22为一体化的孔且与模套腔26是相通的。
上述所述模芯体17、模套腔26的外形为都为圆柱台形，窄小部分靠近各自相应的模芯或模盖的前端；所述圆柱台延伸形成的圆锥体的顶角范围为10°～50°，优选15±5°；所述模套腔26形成的圆锥体的顶角不小于所述模芯体17形成的圆锥体的顶角。
上述所述吊线孔111、模芯孔121都为圆柱形孔，且吊线孔111的孔径比模芯孔121的孔径要小。
上述所述吊线模芯柱11、缆芯模芯柱12是相同长度的，且其长度大于出料端25的长度。
本发明由于模芯体与模套腔设计合理，故模芯单元与模盖单元配合恰当，故用此模具生产的自承式线缆外观更光滑，护套厚度分布更均匀，模具更耐用，产品合格率更高。
附图说明
图1为本发明模芯单元的立体示意图；
图2为本发明模盖单元的立体示意图；
图3为本发明模芯单元与模盖单元装备的立体示意图；
图4为图3沿A-A向的剖面示意图。
具体实施方式
下面结合附图对本发明作详细的说明。
请参见图1至图4，自承式线缆护套挤塑模具，它由模芯单元1与模盖单元2组成；模芯单元1前端有吊线模芯柱11、缆芯模芯柱12，中间有模芯体17、固定夹持部分13，后端有固定部分14、固定部分14上设有螺纹、固定部分14的末端上有倒角15，模芯单元1内部有模芯腔16；所述吊线模芯柱11内部设有吊线孔111，缆芯模芯柱12内部设有模芯孔121，所述吊线孔111与模芯腔16是连通的、所述模芯孔121与模芯腔16是连通的，所述的模芯单元为一体式结构；模盖单元2由位于前端的出料端25和位于后端的模盖体24组成，模盖体24内部设有模套腔26，出料端25上设有吊线护层出料孔21、外护层出料孔22和吊带孔23，所述吊带孔23与吊线护层出料孔21是相连的，所述吊带孔23与外护层出料孔22是相连的，所述吊线护层出料孔21、吊带孔23与外护层出料孔22为一体化的孔且与模套腔26是相通的。
上述所述模芯体17、模套腔26的外形为都为圆柱台形，窄小部分靠近各自相应的模芯或模盖的前端；所述模芯体17圆柱台延伸形成的圆锥体的顶角为12°；所述模套腔26圆柱台延伸形成的圆锥体的顶角为13°。
上述所述吊线孔111、模芯孔121都为圆柱形孔，且吊线孔111的孔径比模芯孔121的孔径要小。
上述所述吊线模芯柱11、缆芯模芯柱12是相同长度的，且其长度大于出料端25的长度。
上述所述模芯体17、模套腔26的外形为都为圆柱台形，窄小部分靠近各自相应的模芯或模盖的前端；所述圆柱台延伸形成的圆锥体的顶角范围为10°～50°，优选15±5°；所述模套腔26形成的圆锥体的顶角不小于所述模芯体17形成的圆锥体的顶角。
当要生产自承式线缆时，将模芯单元1安装在护套挤塑机上，可以通过工具夹持固定夹持部分13，由于固定部分14上设有螺纹，因此，可将模芯单元1顺利地安装好，然后，将模盖单元2安装在模芯单元1外，只要注意将吊线模芯柱11置入吊线护层出料孔21，并处于中间位置；将缆芯模芯柱12置入外护层出料孔22，并处于中间位置；并注意将吊线模芯柱11的前端面、缆芯模芯柱12的前端面与出料端25前端面大致处于一个平面，即可固定住模盖单元，开始开机挤塑。
本文具体说明了本发明示例性实施例和目前的优选实施例，应当理解，本发明构思可以按其他种种形式实施运用，它们同样落在本发明的保护范围内。

Claims (1)

1.自承式线缆护套挤塑模具，它由模芯单元(1)与模盖单元(2)组成；模芯单元(1)前端有吊线模芯柱(11)、缆芯模芯柱(12)，中间有模芯体(17)、固定夹持部分(13)，后端有固定部分(14)、固定部分(14)上设有螺纹、固定部分(14)的末端上有倒角(15)，模芯单元(1)内部有模芯腔(16)；所述吊线模芯柱(11)内部设有吊线孔(111)，缆芯模芯柱(12)内部设有模芯孔(121)，所述吊线孔(111)与模芯腔(16)是连通的、所述模芯孔(121)与模芯腔(16)是连通的，所述的模芯单元为一体式结构；模盖单元(2)由位于前端的出料端(25)和位于后端的模盖体(24)组成，模盖体(24)内部设有模套腔(26)，出料端(25)上设有吊线护层出料孔(21)、外护层出料孔(22)和吊带孔(23)，所述吊带孔(23)与吊线护层出料孔(21)是相连的，所述吊带孔(23)与外护层出料孔(22)是相连的，所述吊线护层出料孔(21)、吊带孔(23)与外护层出料孔(22)为一体化的孔且与模套腔(26)是相通的；其特征是：所述吊线模芯柱(11)及缆芯模芯柱(12)都是突出于模芯体(17)的；在安装状态下，吊线模芯柱(11)的前端面、缆芯模芯柱(12)的前端面与出料端(25)前端面处于一个平面；所述的模芯体(17)、模套腔(26)的外形都为圆柱台形，窄小部分靠近各自相应的模芯或模盖的前端；所述模芯体(17)圆柱台延伸形成的圆锥体的顶角为12°；所述模套腔(26)圆柱台延伸形成的圆锥体的顶角为13°；所述的吊线模芯柱(11)、缆芯模芯柱(12)是相同长度的，且其长度大于出料端(25)的长度。
CN2009101413782A 2009-05-21 2009-05-21 自承式线缆护套挤塑模具 Expired - Fee Related CN101635193B (zh)

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CN102280216B (zh) * 2011-08-08 2012-12-12 李光 一种电缆模具
CN103121280A (zh) * 2013-03-16 2013-05-29 蒋菊生 一种制造简易结构电缆的模具
CN103991208A (zh) * 2014-06-03 2014-08-20 吴江通信电缆厂 一种夹带平行钢丝的光电缆护套的挤塑模具
CN104260309B (zh) * 2014-08-27 2016-08-24 烽火通信科技股份有限公司 一种多色多标光缆生产装置及制造方法
CN106772860B (zh) * 2016-12-30 2023-11-24 通鼎互联信息股份有限公司 一种8字型光缆三色条挤出模套
CN107139419A (zh) * 2017-04-26 2017-09-08 烽火通信科技股份有限公司 一种8字形线缆均压挤塑模具
CN110888214B (zh) * 2019-12-10 2023-09-08 山东飞扬特种线缆有限公司 一种制造新型结构光缆或电缆的模具及制造方法

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