CN201970124U - 大旋转半径的外壁带翅片的长管件车床镗孔工装 - Google Patents
大旋转半径的外壁带翅片的长管件车床镗孔工装 Download PDFInfo
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- CN201970124U CN201970124U CN2011200092202U CN201120009220U CN201970124U CN 201970124 U CN201970124 U CN 201970124U CN 2011200092202 U CN2011200092202 U CN 2011200092202U CN 201120009220 U CN201120009220 U CN 201120009220U CN 201970124 U CN201970124 U CN 201970124U
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- 210000000078 Claw Anatomy 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 210000002320 Radius Anatomy 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型涉及一种车床镗孔工装,特别是一种大旋转半径的外壁带翅片的长管件车床镗孔工装,它包括带法兰的筒体,法兰与车床主轴固定连接,筒体另一端固定连接有夹紧机构,夹紧机构包括中空的弹性夹紧本体和锥度锁紧螺母,弹性夹紧本体具有带锥度弹性三爪体和连接部,连接部与筒体固定连接,连接部具有外螺纹;弹性夹紧本体的型腔具有比工件外形略大一点的仿形腔,锥度锁紧螺母包括与弹性夹紧本体的外螺纹相配合的内螺纹和与弹性夹紧本体的带锥度弹性三爪体相配合的锥套。通过锥度锁紧螺母作用弹性夹紧本体使其收缩,达到锁紧工件的作用。本实用新型解决了大旋转半径的外壁带翅片的长管件在车床上进行镗孔加工的技术问题。
Description
大旋转半径的外壁带翅片的长管件车床镗孔工装
技术领域
[0001] 本实用新型涉及一种车床镗孔工装,特别是一种大旋转半径的外壁带翅片的长管件车床镗孔工装。
背景技术
[0002] 利用车床加工长管状工件,一般采用三爪卡盘装夹,对于规则小外径长工件一般塞进主轴加工;对于不能够塞进主轴加工的长工件,一般采用三爪卡盘夹住一端,另一端采用中心架支撑来加工。但是对于要求较高,圆管外部有突起的旋转直径大于主轴孔径的产品就无能为力了。特别是在汽车工业非常发达的今天,很多不规则大旋转半径的管件的加工就是一个瓶颈,特别是现在的铝材质薄壁管件,其同心度、尺寸精度和粗糙度要求都非常高,这就需要一种能够解决高装夹刚性、高装夹效率、高转速的加工条件,显然传统的装夹工艺都无法满足这样的要求。汽车零部件加工行业迫切需要有一种工装或装夹工艺能够来解决这一困境。
实用新型内容
[0003] 本实用新型要解决的技术问题是:为解决大旋转半径的外壁带翅片的长管件在车床上进行镗孔加工的技术问题。本实用新型提供一种大旋转半径的外壁带翅片的长管件车床镗孔工装,采用该工装后,就可在车床上对大旋转半径的外壁带翅片的长管件进行镗孔加工。
[0004] 本实用新型解决其技术问题所采用的技术方案是:一种大旋转半径的外壁带翅片的长管件车床镗孔工装,包括带法兰的筒体,法兰与车床主轴固定连接,筒体另一端固定连接有夹紧机构,夹紧机构包括中空的弹性夹紧本体和锥度锁紧螺母,弹性夹紧本体具有带锥度弹性三爪体和连接部,连接部与筒体固定连接,连接部具有外螺纹;弹性夹紧本体的型腔具有比工件外形略大一点的仿形腔,锥度锁紧螺母包括与弹性夹紧本体的外螺纹相配合的内螺纹和与弹性夹紧本体的带锥度弹性三爪体相配合的锥套。
[0005] 为使夹紧更可靠,所述的带锥度弹性三爪体的前端为带锥度三爪部,后端为弹性变形部,弹性变形部为三个弧形块,弧形块内径与带锥度三爪部内径相同。
[0006] 为使弹性夹紧本体的夹紧力适中,同时结构更紧凑,所述的连接部与弹性夹紧本体相连的端面开设有环形凹槽,弹性夹紧本体的弹性变形部的弧形块与连接部的环形凹槽的槽底面相连。弧形块与连接部的环形凹槽的槽底面相连,增长了变形条的长度,在满足夹紧要求的变形量和夹紧力的前提下,可使弹性夹紧本体的结构更紧凑。
[0007] 为保证弹性夹紧本体具有良好的强度、刚度和弹性,所述的弹性夹紧本体的材质为弹簧钢。
[0008] 为使筒体内的切屑能顺畅地排出,同时又保证在工件加工过程中的动平衡性能, 所述的筒体上开设有圆周均布的二个或二个以上的排屑槽。
[0009] 为使夹紧机构可靠地锁紧工件,所述的锥度锁紧螺母的外表面开设有圆周均布的二个或二个以上的锁紧沉孔。将杠杆插入锁紧沉孔,以便能轻松地扳动锥度锁紧螺母,使弹性夹紧本体的带锥度弹性三爪体产生径向收缩,可靠地锁紧工件。
[0010] 本实用新型的有益效果是:本实用新型的大旋转半径的外壁带翅片的长管件车床镗孔工装,结构简单合理,操作方便,将大旋转半径的外壁带翅片的长管件塞进筒体后,通过旋紧锥度锁紧螺母,就可以方便的将大旋转半径的外壁带翅片的长管件可靠的固定在筒体内,方便地实现在车床上对大旋转半径的外壁带翅片的长管件进行镗孔加工,且定位精度高,孔加工精度高。
附图说明
[0011] 下面结合附图和实施例对本实用新型作进一步说明。
[0012] 图1是本实用新型的大旋转半径的外壁带翅片的长管件车床镗孔工装的具体实施例的结构示意图。
[0013] 图中:1.筒体,1-1.法兰,1-2.排屑槽,3.工件,4.夹紧机构,4_1.弹性夹紧本体, 4-1-1.带锥度弹性三爪体,4-1-2.连接部,4-2.锥度锁紧螺母,4-2-1.锁紧沉孔。
[0014] 具体实施方式
[0015] 如图1所示的本实用新型的大旋转半径的外壁带翅片的长管件车床镗孔工装的具体实施例,包括带法兰1-1的筒体1,法兰1-1与车床主轴固定连接,筒体1另一端固定连接有夹紧机构4,夹紧机构4包括中空的弹性夹紧本体4-1和锥度锁紧螺母4-2,弹性夹紧本体4-1具有带锥度弹性三爪体4-1-1和连接部4-1-2,连接部4-1-2与筒体1固定连接,连接部4-1-2具有外螺纹;弹性夹紧本体4-1的型腔具有比工件3外形略大一点的仿形腔,锥度锁紧螺母4-2包括与弹性夹紧本体4-1的外螺纹相配合的内螺纹和与弹性夹紧本体4-1 的带锥度弹性三爪体相配合的锥套。带锥度弹性三爪体4-1-1的前端为带锥度三爪部,后端为弹性变形部,弹性变形部为三个弧形块,弧形块内径与带锥度三爪部内径相同。连接部 4-1-2与弹性夹紧本体4-1相连的端面开设有环形凹槽,弹性夹紧本体4-1的弹性变形部的弧形块与连接部4-1-2的环形凹槽的槽底面相连。弹性夹紧本体4-1的材质为弹簧钢。筒体1上开设有圆周均布的三个排屑槽1-2。锥度锁紧螺母4-2的外表面开设有圆周均布的四个锁紧沉孔4-2-1。
Claims (6)
1. 一种大旋转半径的外壁带翅片的长管件车床镗孔工装,其特征在于:包括带法兰 (1-1)的筒体(1),法兰(1-1)与车床主轴固定连接,筒体(1)另一端固定连接有夹紧机构 G),夹紧机构(4)包括中空的弹性夹紧本体和锥度锁紧螺母G-2),弹性夹紧本体 (4-1)具有带锥度弹性三爪体(4-1-1)和连接部G-1-2),连接部(4-1-2)与筒体(1)固定连接,连接部(4-1-¾具有外螺纹;弹性夹紧本体G-1)的型腔具有比工件(¾外形略大一点的仿形腔,锥度锁紧螺母(4-¾包括与弹性夹紧本体的外螺纹相配合的内螺纹和与弹性夹紧本体的带锥度弹性三爪体相配合的锥套。
2.根据权利要求1所述的大旋转半径的外壁带翅片的长管件车床镗孔工装,其特征在于:所述的带锥度弹性三爪体G-1-ι)的前端为带锥度三爪部,后端为弹性变形部,弹性变形部为三个弧形块,弧形块内径与带锥度三爪部内径相同。
3.根据权利要求2所述的大旋转半径的外壁带翅片的长管件车床镗孔工装,其特征在于:所述的连接部(4-1-¾与弹性夹紧本体(4-1)相连的端面开设有环形凹槽,弹性夹紧本体G-1)的弹性变形部的弧形块与连接部G-1-2)的环形凹槽的槽底面相连。
4.根据权利要求1-3任一项所述的大旋转半径的外壁带翅片的长管件车床镗孔工装, 其特征在于:所述的弹性夹紧本体的材质为弹簧钢。
5.根据权利要求1所述的大旋转半径的外壁带翅片的长管件车床镗孔工装,其特征在于:所述的筒体(1)上开设有圆周均布的二个或二个以上的排屑槽(1-2)。
6.根据权利要求1所述的大旋转半径的外壁带翅片的长管件车床镗孔工装,其特征在于:所述的锥度锁紧螺母G-2)的外表面开设有圆周均布的二个或二个以上的锁紧沉孔 (4-2-1)。
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CN102091958B (zh) * | 2011-01-13 | 2012-09-05 | 常州腾龙汽车零部件股份有限公司 | 大旋转半径的外壁带翅片的长管件车床镗孔工装 |
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