The invention relates to a clamping device for thin-walled cylindrical parts, which belongs to the field of mechanical processing. The clamping device of the invention comprises a expansion jacket, an expansion jacket, a expansion body and an elastic ring; the front segment of the expansion jacket is a connecting ring with a threaded hole, and the rear segment is a thin-walled conical cylinder with a segmented long hole; the expansion jacket is a segmented cylinder structure, the inner wall of the expansion jacket is processed into a conical surface, and the front end of the expansion jacket is provided with a positioning groove; the front segment of the expansion body is a cylinder section, and the rear segment is a conical one. The front end of the expanding body passes through the connecting ring of the expanding inner sleeve, and is connected with the connecting ring thread of the expanding inner sleeve through the outer thread of the outer wall of the back end of the expanding cylinder section. The clamping device of the invention can quickly realize reliable clamping of thin-walled cylindrical parts, with small clamping deformation, ensuring the processing accuracy of products and improving the processing efficiency.
【技术实现步骤摘要】
一种薄壁筒形件夹紧装置
本专利技术涉及一种薄壁筒形件夹紧装置,属于机械加工领域。
技术介绍
薄壁筒形零件刚性差,加工及装夹时零件易产生弹性变形,严重影响零件的加工精度。目前采取的方法主要有减少吃刀量,增加半精加工次数,最后精加工至尺寸要求,此种方法不仅耗时长,而且加工余量越少时,零件越薄加工难度越大,极易产生变形,导致零件尺寸超差。
技术实现思路
本专利技术的目的是为了解决薄壁筒形零件刚性、易变形、难加工的问题,而提供一种薄壁筒形件夹紧装置。本专利技术的目的是通过以下技术方案实现的:本专利技术的一种薄壁筒形件夹紧装置,包括胀紧外套、胀紧内套、胀紧体和弹性环;胀紧内套的前段为中心加工有螺纹孔的连接环,胀紧内套的后段为由连接环内孔向后扩张延伸的薄壁锥筒,且薄壁锥筒上由后向前开有分瓣长孔;胀紧外套是由圆筒形合件轴向等分切割而成的分件结构,胀紧外套圆筒形合件的外径与待夹紧筒形件的内径相匹配,胀紧外套圆筒形合件的内腔为与胀紧内套薄壁锥筒锥度相匹配的锥面,胀紧外套圆筒形合件的内腔前端开有内径与胀紧内套连接环外径相匹配的定位槽,且在该定位槽的内壁加工有弹性环安装槽;胀紧体的前段为圆柱段,胀紧体的后段为向后扩张的锥形段,胀紧体锥形段的锥度与胀紧外套圆筒形合件的内壁锥面的锥度相匹配;胀紧体圆柱段的后端外壁加工有与胀紧内套连接环内螺纹孔相匹配的外螺纹;胀紧外套的各个分件通过在弹性环安装槽内粘固弹性环形成圆筒形合件,胀紧外套的圆筒形合件套在胀紧内套的薄壁锥筒外,胀紧体的前端穿过胀紧内套的连接环,并通过胀紧体圆柱段后端外壁的外螺纹与胀紧内套的连接环螺纹连接。使用时,将夹紧装置的胀紧体 ...
【技术保护点】
1.一种薄壁筒形件夹紧装置,其特征是:包括胀紧外套、胀紧内套、胀紧体和弹性环;胀紧内套的前段为中心加工有螺纹孔的连接环,胀紧内套的后段为由连接环内孔向后扩张延伸的薄壁锥筒,且薄壁锥筒上由后向前开有分瓣长孔;胀紧外套是由圆筒形合件轴向等分切割而成的分件结构,胀紧外套圆筒形合件的外径与待夹紧筒形件的内径相匹配,胀紧外套圆筒形合件的内腔为与胀紧内套薄壁锥筒锥度相匹配的锥面,胀紧外套圆筒形合件的内腔前端开有内径与胀紧内套连接环外径相匹配的定位槽,且在该定位槽的内壁加工有弹性环安装槽;胀紧体的前段为圆柱段,胀紧体的后段为向后扩张的锥形段,胀紧体锥形段的锥度与胀紧外套圆筒形合件的内壁锥面的锥度相匹配;胀紧体圆柱段的后端外壁加工有与胀紧内套连接环内螺纹孔相匹配的外螺纹;胀紧外套的各个分件通过在弹性环安装槽内粘固弹性环形成圆筒形合件,胀紧外套的圆筒形合件套在胀紧内套的薄壁锥筒外,胀紧体的前端穿过胀紧内套的连接环,并通过胀紧体圆柱段后端外壁的外螺纹与胀紧内套的连接环螺纹连接。
【技术特征摘要】
1.一种薄壁筒形件夹紧装置,其特征是:包括胀紧外套、胀紧内套、胀紧体和弹性环;胀紧内套的前段为中心加工有螺纹孔的连接环,胀紧内套的后段为由连接环内孔向后扩张延伸的薄壁锥筒,且薄壁锥筒上由后向前开有分瓣长孔;胀紧外套是由圆筒形合件轴向等分切割而成的分件结构,胀紧外套圆筒形合件的外径与待夹紧筒形件的内径相匹配,胀紧外套圆筒形合件的内腔为与胀紧内套薄壁锥筒锥度相匹配的锥面,胀紧外套圆筒形合件的内腔前端开有内径与胀紧内套连接环外径相匹配的...
【专利技术属性】
技术研发人员:师宏刚,李晓斌,史浩,代云飞,唐祥呈,
申请(专利权)人:襄阳五二五泵业有限公司,
类型:发明
国别省市:湖北,42
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