CN102967203A - 一种涨紧芯棒 - Google Patents

一种涨紧芯棒 Download PDF

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CN102967203A
CN102967203A CN201210455981XA CN201210455981A CN102967203A CN 102967203 A CN102967203 A CN 102967203A CN 201210455981X A CN201210455981X A CN 201210455981XA CN 201210455981 A CN201210455981 A CN 201210455981A CN 102967203 A CN102967203 A CN 102967203A
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CN102967203B (zh
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蒋新芬
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Deqin County Zhi Lian Machinery Technology Co., Ltd.
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Wuxi Maitie Precision Machinery Manufacturing Co Ltd
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Abstract

本发明涉及产品检测领域，具体为一种涨紧芯棒，其能够检测出各种通孔的实际情况及孔的中心，其包括主轴，其特征在于，主轴上顺次设置有下弹簧、下滑块、固定块、上滑块、上弹簧，上滑块、固定块、下滑块边缘设置有倒角，下滑块与固定块之间的倒角凹槽内、固定块与上滑块之间的倒角凹槽内分别设置有一圈保持架，保持架内设置有一圈钢珠。

Description

一种涨紧芯棒
技术领域
本发明涉及产品检测领域，具体为一种涨紧芯棒。
背景技术
一些带孔的零件需要对其孔的实际情况及孔的中心进行检测，一般采用涨紧芯棒伸入孔内，通过涨紧芯棒内钢珠的状态来判断，现有的涨紧芯棒一端通过弹簧连接滑块，然后再连接一滑块，一固定块，滑块之间及滑块和固定块间分别设置有一圈钢珠，挤压弹簧，滑块之间的钢珠向外移动带动滑块和固定块间的钢珠向外移动，变化状态一致，当被检工件的孔内壁各处孔径不一致时，如锥形孔，现有的涨紧芯棒无法检测出其实际情况，孔的中心也无法确定。
发明内容
为了解决上述问题，本发明提供了一种涨紧芯棒，其能够检测出各种通孔的实际情况及孔的中心。
其技术方案如下所述：其包括主轴，其特征在于，所述主轴上顺次设置有下弹簧、下滑块、固定块、上滑块、上弹簧，所述上滑块、固定块、下滑块边缘设置有倒角，所述下滑块与所述固定块之间的倒角凹槽内、所述固定块与所述上滑块之间的倒角凹槽内分别设置有一圈保持架，所述保持架内设置有一圈钢珠。
其进一步特征在于，所述下弹簧连接下推块，所述上弹簧连接上推块；所述下推块上设置有手柄；所述下滑块与所述固定块之间的倒角凹槽、所述固定块与所述上滑块之间的倒角凹槽的夹角为120度。
采用本发明的结构后，主轴上顺次设置有下弹簧、下滑块、固定块、上滑块、上弹簧，上滑块、固定块、下滑块边缘设置有倒角，下滑块与固定块之间的倒角凹槽内、固定块与上滑块之间的倒角凹槽内分别设置有一圈保持架，保持架内设置有一圈钢珠，可以从两头分别挤压弹簧使两排钢珠的移动状态不一致，从而能够检测出各种孔的实际情况及孔的中心。
附图说明
图1为本发明结构示意图。
具体实施方式
见图1所示，其包括主轴1，主轴1上顺次设置有下弹簧2、下滑块3、固定块4、上滑块5、上弹簧6，上滑块5、固定块4、下滑块3边缘设置有倒角，下滑块3与固定块之4间的倒角凹槽内、固定块4与上滑块5之间的倒角凹槽内分别设置有一保持架11，保持架11内设置有一圈钢珠7，下弹簧2连接下推块8，上弹簧6连接上推块9，下推块8上设置有手柄10，下滑块3与固定块4之间的倒角凹槽、固定块4与上滑块5之间的倒角凹槽的夹角为120度，其角度设置成120度为最佳角度，使钢珠7的移动所受阻力最小。
其检测过程如下所述：将该涨紧芯棒穿过所检工件的通孔，从两端分别推动下推块8、上推块9，挤压下弹簧2、上弹簧6，下滑块3、上滑块5向固定块4靠拢，使钢珠7往外移动，直到其与孔内壁紧密接触，由于两圈钢珠7分别由不同的滑块控制，所以两圈钢珠7可以形成不同的状态，满足孔径不同的需求，由于两圈钢珠7是同轴的，当两圈钢珠7分别与孔内壁紧密接触后，主轴1的中心即为所检孔的中心。

Claims (4)

1.一种涨紧芯棒，其包括主轴，其特征在于，所述主轴上顺次设置有下弹簧、下滑块、固定块、上滑块、上弹簧，所述上滑块、固定块、下滑块边缘设置有倒角，所述下滑块与所述固定块之间的倒角凹槽内、所述固定块与所述上滑块之间的倒角凹槽内分别设置有一圈保持架，所述保持架内设置有一圈钢珠。
2.根据权利要求1所述的一种涨紧芯棒，其特征在于，所述下弹簧连接下推块，所述上弹簧连接上推块。
3.根据权利要求2所述的一种涨紧芯棒，其特征在于，所述下推块上设置有手柄。
4.根据权利要求3所述的一种涨紧芯棒，其特征在于，所述下滑块与所述固定块之间的倒角凹槽、所述固定块与所述上滑块之间的倒角凹槽的夹角为120度。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU848973A1 (ru) * 1979-07-09 1981-07-23 За витель Устройство дл центрировани деталейВРАщЕНи
CN2348349Y (zh) * 1998-08-19 1999-11-10 耿红军 一种筒类零件垂直度测量仪
CN201736003U (zh) * 2009-12-28 2011-02-09 苏州工业园区泰格电子科技有限公司 一种轴承拆卸装置
CN202048874U (zh) * 2011-04-22 2011-11-23 合肥工业大学 六爪双测位内径测量仪
CN202947568U (zh) * 2012-11-14 2013-05-22 无锡麦铁精密机械制造有限公司 涨紧芯棒

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU848973A1 (ru) * 1979-07-09 1981-07-23 За витель Устройство дл центрировани деталейВРАщЕНи
CN2348349Y (zh) * 1998-08-19 1999-11-10 耿红军 一种筒类零件垂直度测量仪
CN201736003U (zh) * 2009-12-28 2011-02-09 苏州工业园区泰格电子科技有限公司 一种轴承拆卸装置
CN202048874U (zh) * 2011-04-22 2011-11-23 合肥工业大学 六爪双测位内径测量仪
CN202947568U (zh) * 2012-11-14 2013-05-22 无锡麦铁精密机械制造有限公司 涨紧芯棒

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