High-speed motor spindle adopting lubrication under loop

A high-speed electric spindle and spindle technology, which is applied to metal processing machinery parts, maintenance and safety accessories, metal processing equipment, etc., can solve problems such as difficult operation and difficult to ensure lubrication effect

Inactive Publication Date: 2015-04-01
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this lubrication method is difficult to operate. When implementing oil-air lubrication, it is generally required that each bearing has a separate oil-air nozzle, and there are strict requirements on the position of the bearing spray, otherwise it is difficult to guarantee the lubrication effect, and the effect of oil-air lubrication is not good. Affected by compressed air flow and oil-air pressure

Method used

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  • High-speed motor spindle adopting lubrication under loop
  • High-speed motor spindle adopting lubrication under loop

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Embodiment Construction

[0019] Such as figure 1 with figure 2 As shown, a high-speed electric spindle adopting under-ring lubrication includes a shaft housing 1 and a main shaft 2 installed in the shaft housing 1. The two ends of the main shaft 2 are respectively sleeved with bearings 5, and the inner ring of the bearing 51 is provided with several a lubricating hole 53, a rotor 4 is set in the middle of the main shaft 2, a stator 3 corresponding to the rotor 4 is also provided in the shaft housing 1, and an oil mist pipe 7 is installed in the main shaft 2, and several oil mist pipes 7 are provided with The nozzle 72 corresponding to the lubricating hole 53 of the bearing 5, the connection between the main shaft 2 and the nozzle 72 of the oil mist pipe is provided with a through hole 21, and the shaft housing 1 is also provided with an oil mist inlet 71 connected with the oil mist pipe 7; The shaft housing 1 of the electric spindle is also provided with a cooling system 6, the cooling system 6 incl...

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Abstract

The invention discloses a high-speed motor spindle adopting lubrication under a loop, which belongs to the technical field of motor spindles. The high-speed motor spindle comprises a spindle casing and a spindle arranged in the spindle casing, wherein bearings are sleeved at the two ends of the spindle respectively; the middle of the spindle is sleeved by a rotor; a stator corresponding to the rotor is arranged in the spindle casing; an oil mist pipe is arranged in spindle and provided with a plurality of nozzles corresponding to lubricating holes of the bearings; through holes are formed in the connecting parts of the spindle and the nozzles of the oil mist pipe; an oil mist inlet connected with the oil mist pipe is formed in the spindle casing; a cooling system is further arranged in the spindle casing of the high-speed motor spindle; and the oil lubrication under the loop or oil gas lubrication under the loop is adopted for the bearings. With the adoption of the lubrication under the loop for the high-speed motor spindle, lubricating oil or oil gas arrives at bearing lubrication areas more easily under the action of a centrifugal force, so that the lubrication effect is better than the effects of ordinary jet lubrication and oil gas lubrication.

Description

technical field [0001] The invention relates to an electric spindle, in particular to a high-speed electric spindle adopting under-ring lubrication. Background technique [0002] The high-speed spindle unit is the most critical part of the high-speed machining machine tool. The types of high-speed spindle units mainly include electric spindles, pneumatic spindles, and hydraulic spindles. The output power of different types varies greatly, and the spindle of a high-speed machining machine tool needs to achieve speed up and down in a very short time, and stop quickly and accurately at a specified position. This requires high angular deceleration and angular acceleration of the spindle. If it passes through intermediate links such as belts, it will not only slip at high speed, generate vibration and noise, but also increase the moment of inertia, which will cause great difficulties for the machine tool to stop quickly and accurately. At present, most high-speed machine tool ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B19/02B23Q11/12
Inventor 张新华张若煜
Owner SHAOXING UNIVERSITY
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