一种矩形花键滚刀组件

Rectangular spline hob assembly

Abstract

The utility model discloses a rectangular spline hob assembly. The rectangular spline hob assembly comprises a rectangular spline hob and a hob cushion sleeve. The hob cushion sleeve is installed at one end of the rectangular spline hob and a spline hob shaft is sleeved with the hob cushion sleeve and the rectangular spline hob. The rectangular spline hob comprises a hob body. An axial hole is formed in the center of the hob body. Multiple chipping teeth are arranged on the peripheral wall of the hob body. Chip grooves are formed between two adjacent chipping teeth. Each chipping tooth is composed of a main chipping tooth and an auxiliary chipping tooth. According to the rectangular spline hob assembly, the hob cushion sleeve is used for adjusting relative positions of the rectangular spline hob and a spline shaft blank to be machined. Each chipping tooth of the rectangular spline hob is detached into the main chipping tooth and the auxiliary chipping tooth. The rectangular spline hob assembly has the advantages of improving the utilization efficiency of the rectangular spline hob and reducing the replacement frequency of the hob.
本实用新型公开了一种矩形花键滚刀组件,包括矩形花键滚刀,安装在所述矩形花键滚刀的一端并且和所述矩形花键滚刀一起套装在一花键滚刀轴上的滚刀垫套,所述矩形花键滚刀包括刀体,所述刀体的中心部位开有轴孔,所述刀体的外周壁上设有多个切屑齿,相邻两个切屑齿之间设有排屑槽,且每个切屑齿由主切屑齿和附切屑齿所构成。本实用新型采用滚刀垫套来调整矩形花键滚刀和待加工的花键轴坯的相对位置,以及将矩形花键滚刀的切屑齿拆分为主切屑齿和附切屑齿,具有能提高矩形花键滚刀的使用效率,减少刀具的更换频率的优点。

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