Motor embedded type headstock

A bedside box and motor-type technology, which is applied in the field of machine tools, can solve problems such as extreme reduction of machine tool transmission, poor product finish, and burnout of the electric spindle motor, so as to avoid burnout of the electric spindle motor, improve stability and transmission accuracy, and improve The effect of transmission efficiency

Pending Publication Date: 2020-06-05
台州天昊机械有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The operation of the motor will generate a very large heat source. The heat source of the motor plus the heat source generated by the spindle bearing will produce a superposition of heat sources, resulting in a very high temperature of the electric spindle body. Since all the components of the electric spindle are made of metal, the metal will expand when heated. Cold shrinkage and deformation will cause the preload of the bearing to fai

Method used

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  • Motor embedded type headstock
  • Motor embedded type headstock
  • Motor embedded type headstock

Examples

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with specific embodiment:

[0026] This embodiment: refer to Figure 1-3 , a built-in motor type bedside box, comprising a bedside box body 1 with a placement hole and a main shaft 2 arranged in the placement hole, a motor rotor 3 is sleeved outside the main shaft 2 in the placement hole, and The motor rotor 3 is covered with a motor stator 4 with a motor coil, and the upper end of one side of the headboard box 1 is provided with a mounting hole, and the mounting hole is provided with a temperature sensor 5 for monitoring the temperature in the box. The above-mentioned technical scheme can be provided with a clamp at the front end of the main shaft 2, and an external tensioning device for tightening the clamp is provided at the rear end of the main shaft, and can be a hydraulic, pneumatic or manual clamping device, which can be used as a bedside box After the motor inside the body 1 is energized, the ...

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Abstract

The invention belongs to the technical field of machine tools and relates to a headstock, in particular to a motor embedded type headstock which comprises a headstock body with a mounting hole and a main shaft arranged in the mounting hole. In the mounting hole, the outside of the main shaft is sleeved with a motor rotor, the motor rotor is sleeved with a motor stator provided with a motor coil, the upper end of one side of the headstock body is provided with an installation hole, and the installation hole is provided with a temperature sensor used for monitoring the temperature in the headstock body. A machined product is good in smoothness, high in size precision and high in working efficiency; an encoder is used for feeding back the rotating speed of the main shaft, so that the rotatingspeed of the main shaft can be accurately mastered and controlled, and the machining stability and the transmission precision are improved; and a temperature and current monitoring device monitors the headstock, and an air cooling or water cooling device can quickly dissipate heat of the headstock, so that the conditions of bearing pretightening failure and electric spindle motor burnout caused by overhigh temperature are avoided, and the service life of the headstock is prolonged.

Description

technical field [0001] The invention belongs to the technical field of machine tools, and relates to a bedside box, in particular to a built-in motor type bedside box. Background technique [0002] The operation of the motor will generate a very large heat source. The heat source of the motor plus the heat source generated by the spindle bearing will produce a superposition of heat sources, resulting in a very high temperature of the electric spindle body. Since all the components of the electric spindle are made of metal, the metal will expand when heated. Cold shrinkage and deformation will cause the preload of the bearing to fail, causing the bearing to be broken, and the serious temperature rise will directly lead to the burning of the electric spindle motor; in addition, the spindle structure of the ordinary machine tool is usually driven by the transmission belt and the belt pulley at present. The transmission is extremely reduced, and noise and vibration are generated...

Claims

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Application Information

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IPC IPC(8): B23B19/00B23Q1/70B23Q11/12B23Q17/00H02K5/16H02K9/04H02K9/19H02K11/21
CPCB23Q1/70B23Q11/126B23Q17/00H02K5/161H02K9/04H02K9/19H02K11/21
Inventor 杨正国杨涛杨叶
Owner 台州天昊机械有限公司
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