CN101630600B - 自导向自定位的弹性圆柱销装配夹具 - Google Patents

自导向自定位的弹性圆柱销装配夹具 Download PDF

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CN101630600B
CN101630600B CN2009101830653A CN200910183065A CN101630600B CN 101630600 B CN101630600 B CN 101630600B CN 2009101830653 A CN2009101830653 A CN 2009101830653A CN 200910183065 A CN200910183065 A CN 200910183065A CN 101630600 B CN101630600 B CN 101630600B
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CN101630600A (zh
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朱未东
江长生
陈咸
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Eaton Huineng low voltage electrical appliances (Jiangsu) Co.,Ltd.
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JIANGSU HUINENG ELECTRIC CO Ltd
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Abstract

本发明公开了一种低压断路器的静触头母排、引弧片及角板的自导向自定位的弹性圆柱销装配夹具,在气缸的正下方连接固定板,固定板的正下方安装滑块,固定板的上方安装两根上导柱,在固定板和滑块之间安装两根下导柱,在滑块内的两个方孔中安装两个弹性圆柱销,连接于固定板上的两个顶针的位置与两个弹性圆柱销对应,将角板、静触头母排、引弧片放置在定位块上,在定位板上设有两个导正孔,在滑块的下方安装两个导正销,该两个导正销与定位板的两个导正孔位置对应;确定了弹性圆柱销与三个零件的精确位置关系,避免了外形尺寸对孔定位的影响。可提高生产效率,确保操作安全。

Description

自导向自定位的弹性圆柱销装配夹具
技术领域
本发明涉及低压电气设备加工技术领域,尤其涉及低压断路器的静触头母排、引弧片及角板的装配夹具。
背景技术
静触头母排、引弧片、角板是低压断路器的关键部件,静触头母排、引弧片及角板这三个零件的相对位置关系是通过两个弹性圆柱销来确定,然后再用螺栓将三者紧固在一起,由于两个弹性圆柱销在穿过这三个零件时是零间隙配合,因此,对夹具的定位精度要求高。
目前所使用的静触头弹性圆柱销装配夹具缺陷是:1、由于是利用三个零件的外形定位,外形的加工误差导致了三个零件上的孔难对齐,加大了弹性圆柱销压入时的难度。2、由于位置精度要求高,且同时需要装两个弹性圆柱销,因此,常采用人工对齐的方法将弹性圆柱销一个个压入,生产效率低且有安全隐患。
发明内容
本发明的目的是为了克服现有技术中夹具定位精度低、生产效率低的缺陷,提出一种自导向自定位的弹性圆柱销装配夹具,可提高生产效率且安全可靠。
本发明采用的技术方案是:在气缸的正下方连接固定板,固定板的正下方安装滑块,固定板的上方安装两根上导柱,在固定板和滑块之间安装两根下导柱,在滑块内的两个方孔中安装两个弹性圆柱销,连接于固定板上的两个顶针的位置与两个弹性圆柱销对应,将角板、静触头母排、引弧片放置在定位块上,在定位板上设有两个导正孔,在滑块的下方安装两个导正销,该两个导正销与定位板的两个导正孔位置对应。
本发明的有益效果是:
1、由于弹性圆柱销与角板、静触头母排、引弧片这三个零件有精确的定位,保证了它们的位置关系,利用气缸的压力同时将两个弹性圆柱销一起压入这三个零件中,在生产过程中,不但可以提高生产效率,而且还确保了操作安全。
2、在滑块运动一段行程后,滑块上的导正销将与支撑三个零件的底座上的导正孔配合,保证滑块与底座的精确定位,确定了弹性圆柱销与三个零件的精确位置关系,由于弹性圆柱销与这三个零件是零间隙配合,因此保证了这三个零件的相对位置关系。将静触头母排、引弧片及角板通过两个经过精密导向的活动定位销精确定位,避免了外形尺寸对孔定位的影响。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明。
图1是本发明的立体结构示意图。
图2是图1中角板11、静触头母排13及引弧片14的装配图。
图3是图1中滑块5、导正销4及定位块3的连接结构剖视图。
图中:1.导向块;2.底板;3.定位块;4.导正销;5.滑块;6.下导柱;7.顶针;8.固定板;9.上导柱;10.气缸;11.角板;12.活动定位销;13.静触头母排;14.引弧片;15.导正孔;16.方孔;17.弹性圆柱销;18.螺栓连接孔。
具体实施方式
如图1-3,气缸10的正下方连接固定板8,固定板8的正下方安装滑块5,固定板8的上方安装两根上导柱9,起导向作用,固定板8便与本发明框架确定了准确的位置关系,固定板8只可在气缸10的带动下作上下运动。在固定板8和滑块5之间安装两根下导柱6,为滑块5作精密导向,只允许滑块5在上下方向运动。在滑块5内的两个方孔16中安装两个弹性圆柱销17,连接于固定板8上的两个顶针7的位置与两个弹性圆柱销17对应。
将角板11、静触头母排13、引弧片14按顺序放置在定位块3上,在定位板3上设有两个导正孔15,将定位块3固定在底板2上,两个导向块1位于底板2两侧,活动定位销12通过孔定位的方式将角板11、静触头母排13、引弧片14这三个零件准确定位在定位块3上,这时角板11、静触头母排13、引弧片14与定位块3确定了准确的位置关系,再在两个导向块1的导向下,将底板2推到滑块5下方位置处。
在滑块5的下方安装两个导正销4,该两个导正销4与定位板3的两个导正孔15位置对应,当气缸10推动固定板8向下运动时,滑块5上的导正销4首先与定位板3上的导正孔15接触,当导正销4完全插入到导正孔15中时,滑块5便与定位块3确定了精确的位置关系;当气缸10继续向下运动时,通过固定板8上的顶针7同时将滑块内的两个弹性圆柱销17压入角板11、静触头母排13、引弧片14这三个零件中,弹性圆柱销17在穿过三个零件的过程中将活动定位销12向下推,这样在整个压入的过程中,角板11、静触头母排13、引弧片14三个零件始终有准确的定位。装配好弹性圆柱销17之后再通过螺栓连接孔18,通过两个螺栓、螺母将这三个零件固定在一起。因此,本发明保证了产品的装配位置关系。

Claims (1)

1.一种自导向自定位的弹性圆柱销装配夹具,在气缸(10)的正下方连接固定板(8),固定板(8)的正下方设置滑块(5),固定板(8)的上方设两根上导柱(9),在固定板(8)和滑块(5)之间设有两根下导柱(6),其特征是:在滑块(5)内的两个方孔(16)中设置两个弹性圆柱销(17),连接于固定板(8)上的两个顶针(7)的位置与两个弹性圆柱销(17)对应,将角板(11)、静触头母排(13)、引弧片(14)放置在定位块(3)上,活动定位销(12)通过孔定位的方式将角板(11)、静触头母排(13)、引弧片(14)这三个零件准确定位在定位块(3)上,在定位板(3)上设有两个导正孔(15),在滑块(5)的下方设有两个导正销(4),该两个导正销(4)与两个导正孔(15)位置对应。
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CN104259373B (zh) * 2014-09-23 2016-08-31 安徽中电兴发与鑫龙科技股份有限公司 万能式断路器静触头部件铆装夹具
CN107017132B (zh) * 2017-05-17 2020-03-24 杭州之江开关股份有限公司 一种塑壳断路器转轴穿销夹具及其穿销方法
CN110405448A (zh) * 2019-09-11 2019-11-05 恩欣格工程塑料(上海)有限公司 一种用于手动压针管的装配夹具
CN115383677B (zh) * 2022-10-31 2022-12-27 成立航空技术(成都)有限公司 一种航空航天发动机用定位销拆卸装置及其使用方法
CN115420922B (zh) * 2022-11-07 2023-01-10 深圳市振勤电子科技有限公司 铜排电阻检测设备

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