Spindle box

一种主轴箱

Abstract

本实用新型公开了一种主轴箱,包括主轴、安装于主轴上的前轴承和后轴承,套置于两轴承外的套筒,主轴内设有拉杆,拉杆前段固定有夹头套,所述的夹头套包括垫块、基座和套头,所述的垫块通过垫块轴承与主轴相顶紧,所述的基座与套头通过螺钉相连接,基座上设有润滑油通孔,套头和夹头都设有相适应的锥面,夹头置于夹头套内,端盖将夹头和夹头套压于主轴上,本实用新型结构紧凑、刚性好,使用寿命长。
The utility model discloses a spindle box. The spindle box comprises a spindle, a front bearing, a rear bearing and sleeves arranged outside the two bearings in a sleeved mode, wherein the front bearing and the rear bearing are installed on the spindle, a pull rod is arranged in the spindle, a chuck sleeve is fixed to the front segment of the pull rod and comprises a cushion block, a base and a sleeve head, the cushion block tightly abuts against the spindle through a cushion block bearing, the base is connected with the sleeve head through a screw, a lubricating oil through hole is formed in the base, the sleeve head and a chuck are respectively provided with a conical face, the conical faces are adaptive to each other, the chuck is arranged in the chuck sleeve, and the chuck and the chuck sleeve are pressed on the spindle by an end cover. The spindle box is compact in structure, good in rigidity and long in service life.

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