Combined High Speed Precision Bearings
A precision bearing and combined technology, applied in the field of bearings, can solve the problems of unfavorable mechanical spindle use effect, difficult installation of mechanical spindle, poor use effect, etc., and achieve the effect of facilitating high-speed operation, improving rigidity, and improving use stability
Active Publication Date: 2022-04-01
上海人本精密机械有限公司
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Problems solved by technology
[0002] With the development and progress of society, enterprises have higher and higher requirements for the use of equipment. The existing mechanical spindle mainly realizes the rotational connection on the equipment through the connection with the bearing, but the current mechanical spindle installation is limited by the stiffness of the bearing and other speed, the use effect is not good, and the installation of the mechanical spindle is also relatively difficult, which is not conducive to improving the use effect of the mechanical spindle
Method used
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Embodiment Construction
[0015] Examples of combined high-speed precision bearings of the present invention are figure 1 As shown: it includes an outer flange 1 and a mandrel 2, the end of the outer flange 1 is connected with a bearing cap 3, and the mandrel 2 is formed with a spline 21 for connecting with a mechanical main shaft, and the mandrel 2 The cylindrical roller bearing without outer ring 4 is rotationally connected with the outer flange 1, and the mandrel 2 is also fixedly connected with a four-point angular contact ball bearing 5, and the outer ring of the four-point angular contact ball bearing 5 is connected to the outer flange. 1 Inner wall gap fit, the outer ring of the four-point angular contact ball bearing 5 is riveted with the bearing cover 3 at one end close to the bearing cover 3, the outer ring of the four-point angular contact ball bearing 5 and the cylindrical roller bearing 4 without outer ring roll An oil injector 6 is arranged between the columns, and the oil outlet of the o...
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The invention discloses a combined high-speed precision bearing, which includes an outer flange and a mandrel, the end of the outer flange is connected with a bearing cover, and the mandrel is formed with a spline for connecting with a mechanical main shaft. The mandrel is rotationally connected to the outer flange through a cylindrical roller bearing without an outer ring, and a four-point angular contact ball bearing is fixedly connected to the mandrel, and the outer ring of the four-point angular contact ball bearing is in clearance fit with the inner wall of the outer flange , the end of the four-point angular contact ball bearing outer ring close to the bearing cap is riveted with the bearing cap, and an oil injector is arranged between the four-point angular contact ball bearing outer ring and the roller of the cylindrical roller bearing without outer ring, The oil outlet of the oil injector is set towards the roller of the four-point angular contact ball bearing and the roller of the cylindrical roller bearing without outer ring. It can effectively improve the overall rigidity, and the speed is faster, and at the same time, it is easy to install with the mechanical spindle, so as to improve the use effect of the overall structure.
Description
technical field [0001] The invention relates to the technical field of bearings, in particular to a combined high-speed precision bearing. Background technique [0002] With the development and progress of society, enterprises have higher and higher requirements for the use of equipment. The existing mechanical spindle mainly realizes the rotational connection on the equipment through the connection with the bearing, but the current mechanical spindle installation is limited by the stiffness of the bearing and other Speed, the use effect is not good, and the installation of the mechanical spindle is also relatively difficult, which is not conducive to improving the use effect of the mechanical spindle. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a combined high-speed precision bearing, which can effectively improve the overall rigidity, and has a faster rotation speed, and is convenient for installation wit...
Claims
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IPC IPC(8): F16C19/49F16C33/58F16C33/66F16C33/30F16C35/04
CPCF16C19/49F16C33/583F16C33/6659F16C33/30F16C35/04
Inventor 刘晓阳
Owner 上海人本精密机械有限公司