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Electric spindle structure

A technology of electric spindle and spindle, which is applied in the field of mechanical processing, can solve the problems of high failure rate and the inability of the spindle to withstand excessive impact loads, etc., and achieve the effects of prolonging the life of the spindle, avoiding contact wear, and reducing the failure rate

Pending Publication Date: 2018-02-09
GUANGZHOU HAOZHI ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies of the prior art, one of the purposes of the present invention is to provide an electric spindle structure, which can solve the problem that the spindle cannot bear excessive impact load and has a high failure rate

Method used

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Embodiment Construction

[0023] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

[0024] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.

[0025] Un...

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PUM

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Abstract

The invention discloses an electric spindle structure. The electric spindle structure comprises a spindle, a first air floating bearing, a cooperation structure and a body. The first air floating bearing is fixed to the body. The spindle is contained to the first air floating bearing in a cooperation manner. The spindle comprises a contact portion. The cooperation structure comprises a first thrust bearing and a first elastic part. The two ends of the first elastic part abut against the first thrust bearing and the body correspondingly. The first thrust bearing is perpendicular to the axis ofthe spindle. The spindle rotates so that the contact portion can abut against the first thrust bearing, and the first elastic part is located in an extruding state so as to buffer impact loads actingon the spindle. The spindle rotates so that the contact portion can abut against the first thrust bearing, and the first elastic part is located in the extruding state so as to buffer the axial impactloads acting on the spindle. Contact rubbing of the spindle and the first thrust bearing is avoided, the failure rate can be greatly reduced, and the service life of the spindle can be prolonged.

Description

technical field [0001] The invention relates to the field of machining, in particular to an electric spindle structure. Background technique [0002] At present, the electric spindle is one of the core functional components of the machine tool equipment. When designing the machine tool, a high-rigidity spindle will be selected. The spindle and the air bearing are used for ultra-precision engraving and milling processing to achieve high-rigidity processing and obtain better processing efficiency and quality. [0003] However, the existing electric spindle structure has the following defects: [0004] When the motorized spindle structure on the market is used for ultra-precision engraving and milling, it has high rigidity requirements for the shaft system. Therefore, it is necessary to design a small air film thickness to meet the processing requirements. When there is a momentary large impact load acting on the shaft end, It is easy to cause shaft and bearing wear, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B19/02
CPCB23Q1/70
Inventor 朱胜利汤秀清
Owner GUANGZHOU HAOZHI ELECTROMECHANICAL