The utility model discloses a ball screw nut reversing device and a ball screw. The ball screw nut reversing device comprises a ball nut and a ball screw reversing device; the ball screw nut reversing device is two sets, the two sets of reversing devices are inserted at the front and back sides of the ball nut respectively; the ball screw reversing device is composed of the left front end of the first component and the second component; There are two mortise openings. The front side of No. 2 module is provided with a mortise which matches the mortise. The No. 1 module and No. 2 module are overlapped by the mortise structure. A ball screw consists of a lead screw, a ball and a ball screw nut reverser; the ball screw nut reverser sleeve is arranged on the lead screw; the surface of the lead screw is provided with an external thread, and the outer thread is spaced from the end of the lead screw. The utility model can not only make the two ends of the ball screw without thread raceways, but also ensure that the outer side of the ball screw adjacent to the bearing has an appropriate mounting supporting surface, thereby solving the problem that the ball screw mounting bearing needs to provide an appropriate mounting supporting surface, and has a wide range of applicability.
【技术实现步骤摘要】
一种滚珠丝杠螺母返向器及滚珠丝杠
本技术涉及一种滚珠丝杠,尤其涉及一种滚珠丝杠螺母返向器及滚珠丝杠。
技术介绍
传统的滚珠丝杠螺母返向器,一般有圆形、腰型、弯管、排式等,在灌装滚珠后,装到滚珠丝杠上面时,都要求滚珠丝杠螺纹一端要出牙,出牙即滚珠丝杠的外螺纹延伸到端部,否则无法正常将滚珠螺母安装到滚珠丝杠上。在实际使用过程中,一端出牙的滚珠丝杠,其端部因为有出牙(磨穿)的螺纹滚道,导致外侧邻近的轴承承靠面面积偏小,影响轴承的安装精度,进而影响到滚珠丝杠的安装精度以及使用寿命。
技术实现思路
为了解决上述技术所存在的不足之处,本技术提供了一种滚珠丝杠螺母返向器及滚珠丝杠。为了解决以上技术问题,本技术采用的技术方案是:一种滚珠丝杠螺母返向器,包括滚珠螺母、返向器;返向器为两套,两套返向器分别插置于滚珠螺母的前后两侧;返向器由一号组件和二号组件搭接而成;一号组件的左侧前端开设有两个卯眼,二号组件的前侧对应设置有与卯眼相吻合的榫头,一号组件和二号组件通过榫卯结构相搭接;一号组件由两个平行排列的弧形板连接而成,其横截面为U形,且弧形板连接处的底部设置有滚珠托盘;滚珠托盘上部的空腔以及二号组件后侧开设的半圆形凹槽共同构成滚珠容纳腔。滚珠托盘的下端面为与弧形板的弧度一致的弧形面,且滚珠托盘的水平宽度小于弧形板的水平宽度。一号组件前侧弧形板的上端设置有弧形凸起,弧形凸起与滚珠螺母的内螺纹抵触相接。二号组件的前端设置有半圆形凸台,半圆形凸台与榫头所在的前端面之间具有间隔。一种滚珠丝杠,由丝杠、滚珠和滚珠丝杠螺母返向器组成;滚珠丝杠螺母返向器套置于丝杠上;丝杠的表面设置有外螺纹,且外螺 ...
【技术保护点】
1.一种滚珠丝杠螺母返向器,其特征在于:包括滚珠螺母(2)、返向器;所述返向器为两套,两套返向器分别插置于滚珠螺母(2)的前后两侧;所述返向器由一号组件(3)和二号组件(4)搭接而成;所述一号组件(3)的左侧前端开设有两个卯眼(5),二号组件(4)的前侧对应设置有与卯眼(5)相吻合的榫头(6),一号组件(3)和二号组件(4)通过榫卯结构相搭接;所述一号组件(3)由两个平行排列的弧形板(9)连接而成,其横截面为U形,且弧形板连接处的底部设置有滚珠托盘(7);所述滚珠托盘(7)上部的空腔以及二号组件(4)后侧开设的半圆形凹槽(8)共同构成滚珠容纳腔。
【技术特征摘要】
1.一种滚珠丝杠螺母返向器,其特征在于:包括滚珠螺母(2)、返向器;所述返向器为两套,两套返向器分别插置于滚珠螺母(2)的前后两侧;所述返向器由一号组件(3)和二号组件(4)搭接而成;所述一号组件(3)的左侧前端开设有两个卯眼(5),二号组件(4)的前侧对应设置有与卯眼(5)相吻合的榫头(6),一号组件(3)和二号组件(4)通过榫卯结构相搭接;所述一号组件(3)由两个平行排列的弧形板(9)连接而成,其横截面为U形,且弧形板连接处的底部设置有滚珠托盘(7);所述滚珠托盘(7)上部的空腔以及二号组件(4)后侧开设的半圆形凹槽(8)共同构成滚珠容纳腔。2.根据权利要求1所述的滚珠丝杠螺母返向器,其特征在于:所述滚珠托盘(7)的下端面为与弧形板(9)的弧度一致的弧形面,且滚珠托盘(7)的水平宽度小于弧形...
【专利技术属性】
技术研发人员:秦胜刚,
申请(专利权)人:启东市万润机床附件有限公司,
类型:新型
国别省市:江苏,32
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