CN102328362A - 模具的排气结构 - Google Patents

模具的排气结构 Download PDF

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Publication number
CN102328362A
CN102328362A CN201110298474A CN201110298474A CN102328362A CN 102328362 A CN102328362 A CN 102328362A CN 201110298474 A CN201110298474 A CN 201110298474A CN 201110298474 A CN201110298474 A CN 201110298474A CN 102328362 A CN102328362 A CN 102328362A
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China
Prior art keywords
mould
air discharge
discharge duct
exhaust
exhaust structure
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CN201110298474A
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English (en)
Inventor
张卫
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Vanguard Wuxi Science and Technology Co Ltd
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Vanguard Wuxi Science and Technology Co Ltd
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Priority to CN201110298474A priority Critical patent/CN102328362A/zh
Publication of CN102328362A publication Critical patent/CN102328362A/zh
Pending legal-status Critical Current

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Abstract

本发明提供了模具的排气结构,其使得与型腔连接处不易出现毛边,确保了产品的外观质量。其包括模仁、型腔,所述模仁内部开有排气槽,所述排气槽连通所述型腔和外部,其特征在于:所述排气槽的上部为矩形结构,所述排气槽的底部为两侧向中心收口、其余两侧中的一侧向其对侧收口,所述收口的边界为圆弧过渡。

Description

模具的排气结构
技术领域
    本发明涉及模具的结构技术领域,具体为模具的排气结构。
背景技术
在模具生产中,经常会有由于模腔体积大,排气不良造成的产品填充不良, 产品上表现为有气泡,现有技术见图1,其包括型腔1、模仁2,在型腔1上方依次设置小矩形排气槽,3、大矩形排气槽4,小矩形排气槽3、大矩形排气槽4相互连通,小矩形排气槽3连通型腔1,大矩形排气槽4连通外部,但是该排气结构在制造时,小矩形排气槽3和型腔1连接处容易出现毛边,不容易去除,影响了产品的外观质量。
发明内容
针对上述问题,本发明提供了模具的排气结构,其使得与型腔连接处不易出现毛边,确保了产品的外观质量。
模具的排气结构,其技术方案是这样的:其包括模仁、型腔,所述模仁内部开有排气槽,所述排气槽连通所述型腔和外部,其特征在于:所述排气槽的的上部为矩形结构,所述排气槽的底部为两侧向中心收口、其余两侧中的一侧向其对侧收口,所述收口的边界为圆弧过渡。
采用本发明的上述结构后,排气槽最底部的开口部的尺寸明显减小,加上圆弧过渡,使应力集中在排气槽最底部的开口部的锋利处. 使毛边断时彻底干净,其使得与型腔连接处不易出现毛边,确保了产品的外观质量。
附图说明
图1是现有技术的排气结构示意图;
图2是本发明的主视图结构示意图;
图3是图2的A-A剖视图结构放大示意图。
具体实施方式
见图2、图3,其包括型腔1、模仁2,模仁2内部开有排气槽3,排气槽3连通型腔1和外部,排气槽3的的上部为矩形结构4,排气槽3的底部为两侧5、6向中心收口、其余两侧7、8中的一侧7向其对侧8收口,收口的边界为圆弧过渡9。

Claims (1)

1.模具的排气结构,其包括模仁、型腔,所述模仁内部开有排气槽,所述排气槽连通所述型腔和外部,其特征在于:所述排气槽的的上部为矩形结构,所述排气槽的底部为两侧向中心收口、其余两侧中的一侧向其对侧收口,所述收口的边界为圆弧过渡。
CN201110298474A 2011-09-28 2011-09-28 模具的排气结构 Pending CN102328362A (zh)

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CN201110298474A CN102328362A (zh) 2011-09-28 2011-09-28 模具的排气结构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110053223A (zh) * 2018-01-19 2019-07-26 苏州汉扬精密电子有限公司 软胶的排气结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347968A (zh) * 2007-07-16 2009-01-21 汉达精密电子(昆山)有限公司 改良排气结构
CN201913227U (zh) * 2011-01-11 2011-08-03 东莞市东升压铸模具有限公司 一种改良的压铸模具排气结构
CN202225334U (zh) * 2011-09-28 2012-05-23 凡嘉科技(无锡)有限公司 一种模具的排气结构

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101347968A (zh) * 2007-07-16 2009-01-21 汉达精密电子(昆山)有限公司 改良排气结构
CN201913227U (zh) * 2011-01-11 2011-08-03 东莞市东升压铸模具有限公司 一种改良的压铸模具排气结构
CN202225334U (zh) * 2011-09-28 2012-05-23 凡嘉科技(无锡)有限公司 一种模具的排气结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110053223A (zh) * 2018-01-19 2019-07-26 苏州汉扬精密电子有限公司 软胶的排气结构

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