CN202439187U - 一种模具延时机构 - Google Patents

一种模具延时机构 Download PDF

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CN202439187U
CN202439187U CN2012200668230U CN201220066823U CN202439187U CN 202439187 U CN202439187 U CN 202439187U CN 2012200668230 U CN2012200668230 U CN 2012200668230U CN 201220066823 U CN201220066823 U CN 201220066823U CN 202439187 U CN202439187 U CN 202439187U
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施尧尧
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SHENZHEN SHENGZHIDA PRECISION MOLD CO., LTD.
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施尧尧
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Abstract

本实用新型属于模具技术领域，提供一种模具延时机构，包括母模仁和滑块，母模仁上设置有固定块，固定块上设置有限位块，在母模仁与限位块之间设置有弹簧，滑块上开设有用于将限位块卡入的限位槽，在开模的一段距离内限位块将滑块挡住实现滑块延时退出。本实用新型的优点在于结构简单，加工和安装方便，主要利用限位块将滑块挡住，在开模的一段距离内限定滑块滑动，在合模的过程中利用弹簧将限位块卡入滑块上的限位槽，从而现实滑块延时退出，此种结构可以承受较大的载荷，成功的解决了大型滑块延时退出的问题。

Description

一种模具延时机构
技术领域
本实用新型属于模具技术领域，涉及一种模具延时机构。
背景技术
在注塑模具中需要利用模具开模的力量来拨出滑块来实现侧抽芯，此种方式是模具开模与滑块同时动作，但是有时需要模具在开模时一段距离内滑块不动作，等其它部件退出让开空间后才运动，就需要增加模具延时机构，现有的延时结构一般是在滑块斜导柱的退出方向掏出避空孔，开模一段距离内拨不到滑块，等开到一定距离后拨动滑块，实现延时，此过程要保证滑块保持在原位置不动，但此结构最大的载荷为100KG，当滑块质量超过100KG时会不适用；另外一种延时结构是采用拨杆来实现延时，只是在滑块上设计斜面孔，但此种结构需要加大滑块尺寸，加工较麻烦，成本也较高。
发明内容
本实用新型所要解决的技术问题是针对现有技术的现状，而提供一种结构简单，加工方便，能成功实现大型滑块的延时控制功能模具延时机构。
本实用新型解决上述技术问题所采用的技术方案为：一种模具延时机构，包括母模仁和滑块，所述的母模仁上设置有固定块，其特征是：所述的固定块上设置有限位块，在母模仁与限位块之间设置有弹簧，所述的滑块上开设有用于将限位块卡入的限位槽，在开模的一段距离内限位块将滑块挡住实现滑块延时退出。
为优化上述方案采取的措施具体包括：
在上述的一种模具延时机构中，所述的限位块的下端还设置有滚块，滚块与滑块的表面接触并在滑块运动时在其表面滑动。
在上述的一种模具延时机构中，所述的固定块上开设有调整槽，所述的限位块位于调整槽内并在弹簧的作用下在调整槽内上下运动。
与现有技术相比，本实用新型的优点在于结构简单，加工和安装方便，主要利用限位块将滑块挡住，在开模的一段距离内限定滑块滑动，在合模的过程中利用弹簧将限位块卡入滑块上的限位槽，从而现实滑块延时退出，此种结构可以承受较大的载荷，成功的解决了大型滑块延时退出的问题。
附图说明
图1是本实用新型的滑块运动前的整体结构示意图；
图2是本实用新型的滑块运动后的整体结构示意图。
图中，母模仁1；滑块2；限位槽2a；固定块3；限位块4；调整槽5；弹簧6；滚块7。
具体实施方式
以下是本实用新型的具体实施例并结合附图，对本实用新型的技术方案作进一步的描述，但本实用新型并不限于这些实施例。
如图1和图2所示，本模具延时机构，包括母模仁1和滑块2，母模仁1上设置有固定块3，固定块3上设置有限位块4，在母模仁1与限位块4之间设置有弹簧6，这里固定块3上开设有调整槽5，限位块4位于调整槽5内并在弹簧6的作用下在调整槽5内上下运动。
滑块2上开设有用于将限位块4卡入的限位槽2a，限位块4的下端还设置有滚块7，滚块7与滑块2的表面接触并在滑块2运动时在其表面滑动，模具在刚开模时，由于限位块4挡住滑块2限制滑块2运动，当模具开模距离超过S后，限位块4离开滑块2，滑块2开始运动，开模距离S即为限位的行程(可根据需要延时的距离，修改S的值)，当合模时滚块7先接触到滑块2，继续合模时弹簧6开始压缩，滚块7在滑块2表面滑动直到合模完成，在弹簧6的作用下限位块4卡入滑块2上的限位槽2a，从而现实滑块2延时退出，这样可以承受较大的载荷，成功的解决了大型滑块延时退出的问题。
本文中所描述的具体实施例仅仅是对本实用新型精神作举例说明。本实用新型所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本实用新型的精神所定义的范围。

Claims (3)

1.一种模具延时机构，包括母模仁(1)和滑块(2)，所述的母模仁(1)上设置有固定块(3)，其特征是：所述的固定块(3)上设置有限位块(4)，在母模仁(1)与限位块(4)之间设置有弹簧(6)，所述的滑块(2)上开设有用于将限位块(4)卡入的限位槽(2a)，在开模的一段距离内限位块(4)将滑块(2)挡住实现滑块(2)延时退出。
2.根据权利要求1所述的一种模具延时机构，其特征是：所述的限位块(4)的下端还设置有滚块(7)，滚块(7)与滑块(2)的表面接触并在滑块(2)运动时在其表面滑动。
3.根据权利要求2所述的一种模具延时机构，其特征是：所述的固定块(3)上开设有调整槽(5)，所述的限位块(4)位于调整槽(5)内并在弹簧(6)的作用下在调整槽(5)内上下运动。
CN2012200668230U 2012-02-24 2012-02-24 一种模具延时机构 Expired - Fee Related CN202439187U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110576538A (zh) * 2018-06-08 2019-12-17 汉达精密电子(昆山)有限公司 防止母模滑块入子合模时撞模的结构

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110576538A (zh) * 2018-06-08 2019-12-17 汉达精密电子(昆山)有限公司 防止母模滑块入子合模时撞模的结构
CN110576538B (zh) * 2018-06-08 2021-08-10 汉达精密电子(昆山)有限公司 防止母模滑块入子合模时撞模的结构

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