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Cooling structure, motorized spindle and machine tool

A technology for cooling structures and motorized spindles, applied in metal processing machinery parts, large fixed members, maintenance and safety accessories, etc., can solve problems such as inability to cool rotors

Pending Publication Date: 2021-06-04
ZHUHAI GREE INTELLIGENT EQUIP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a cooling structure, an electric spindle and a machine tool to solve the problem that the cooling structure of the electric spindle in the prior art cannot cool the rotor

Method used

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  • Cooling structure, motorized spindle and machine tool
  • Cooling structure, motorized spindle and machine tool

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Embodiment Construction

[0028] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0029] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0030] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that wh...

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Abstract

The invention provides a cooling structure, a motorized spindle and a machine tool. The cooling structure comprises a sealing part, a first channel and a second channel, wherein the sealing part is used for being connected with one end of a pull rod of the motorized spindle and is provided with a sealing cavity, the first channel is formed in the pull rod and is arranged in the extension direction of the pull rod, the first channel is communicated with the sealing cavity so that cooling liquid in the sealing cavity can enter the first channel, the second channel is formed in a shaft body of the motorized spindle and is arranged in the extension direction of the shaft body, the second channel is communicated with the first channel so that the cooling liquid in the first channel can enter the second channel, and when the cooling liquid flows in the second channel, a rotor arranged on the shaft body in a sleeving manner is cooled. The problem that in the prior art, a cooling structure of the motorized spindle cannot cool the rotor of the motorized spindle is solved.

Description

technical field [0001] The invention relates to the technical field of electric spindles, in particular to a cooling structure, electric spindles and machine tools. Background technique [0002] High-speed motorized spindle is the core component of high-speed machining machine tools. The spindle motor is built into the machine tool spindle, which has outstanding advantages such as compact structure, small vibration, low noise, fast response, easy spindle positioning and accurate stop. [0003] However, the heat generated by the high-speed rotation of the motor in the electric spindle and the frictional heating of the bearings are also unavoidable. When the machine tool is working, under the action of internal and external heat sources, various parts of the spindle system will have different degrees of temperature rise; after the temperature rises, the relative position and size of the spindle and other parts of the machine tool will be different from those before the tempera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B19/02B23Q11/12
CPCB23Q1/70B23Q11/127
Inventor 黎运尧马徐武张天翼张博张秀峰
Owner ZHUHAI GREE INTELLIGENT EQUIP CO LTD