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Polygon end bracket main axle structure

A polygon and spindle technology, applied in the direction of tailstock/top, turning equipment, large fixed members, etc., can solve the problems of difficult installation and high requirements on matching accuracy, and achieve the effect of convenient installation and adjustment, and easy to ensure matching accuracy.

Inactive Publication Date: 2007-02-07
SHANGHAI MACHINE TOOL WORK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the technical problems of the existing machine tool tailstock spindle structure, which require high matching precision between the body shell hole and the tailstock spindle, and make processing and installation difficult. The hole machining of the main shaft, the tailstock shell and the main shaft is simple, the installation and adjustment are convenient, the structure is more reasonable, and the overall geometric accuracy of the tailstock is easy to guarantee. Tailstock main shaft structure

Method used

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  • Polygon end bracket main axle structure
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Embodiment Construction

[0009] The present invention will be further described below in conjunction with drawings and embodiments.

[0010] Such as figure 1 , As shown in 2, the main shaft structure of the tailstock is mainly composed of the main shaft 6, the upper body shell 7, the lower body shell 1, the top 15, the main shaft moving driving screw 8, and the nut 9.

[0011] Tailstock main shaft 6 profile is octahedron structure, and four guide rail surfaces wherein cooperate with the guide rail surface of tailstock body shell, two guide rail surfaces below tailstock main shaft 6 are installed two guide rails 2, are fixed by bolt 3. The guide rail 2 is easy to process and install, and has high hardness, which can reduce the friction coefficient between the main shaft and the guide rail surface of the lower body shell 1, and improve the life span of the main shaft 6 and the lower body shell 1.

[0012] Tailstock body shell is added adjustment pad 4 in the middle of lower body shell 7 and lower body ...

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Abstract

The invention relates to a main axle structure of polygonal tail support, which is formed by upper frame, lower frame, main axle moving driving screw, and nut, wherein the main axle is a octahedron; the tail support frame is connected by upper and lower frames to form a main axle with an octahedron inner hole at the middle that matches the main axle; the lower two track surfaces of main axle via the track connects two track surfaces of lower frame; the upper two track surfaces of main axle are sliding connected to the two track surfaces of upper frame. The invention has simple adjustment, and confirmed accuracy of main axle.

Description

technical field [0001] The invention relates to a tailstock spindle structure of a machine tool, in particular to a polygonal tailstock spindle structure of a special machine tool. Background technique [0002] At present, the exterior structure of the tailstock spindle commonly used on various machine tools is a cylinder. The tailstock spindle moves in the cylindrical hole on the tailstock body shell. The front end of the tailstock spindle is equipped with a top. For tight workpieces, the accuracy of the movement of the tailstock spindle directly affects the accuracy of the workpiece being processed. Contents of the invention [0003] The present invention aims to solve the technical problems of the existing structure of the main shaft of the tailstock of the machine tool, which requires high matching precision between the body shell hole and the main shaft of the tailstock, and makes it difficult to process and install. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B23/00B23Q1/70
Inventor 李民强黄裕华张曙伟孟鸿飞
Owner SHANGHAI MACHINE TOOL WORK