Heavy-load high-speed main shaft cooling device
A technology of cooling device and high-speed spindle, which is applied in the direction of bearing cooling, transmission parts, gear lubrication/cooling, etc. It can solve the problems of poor cooling and lubrication of heavy-duty spindles, increase, and influence on speed, and achieve good cooling and lubrication effects and increase speed , increase the effect of the cooling effect
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[0013] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:
[0014] Such as figure 1 , figure 2 , image 3 The shown heavy-duty high-speed spindle cooling device includes a spindle 1, a section of the active end of the outer surface of the spindle 1 is provided with a raised platform stage 3, and the platform stage 2 is provided with a groove 6 as an oil passage. There is a cooling jacket 3 on the outer cover, and the cooling jacket 3 is connected with a section of the driven end of the main shaft 1 through a bearing 8. A spacer 7 is provided between the bearing 8 and the stage 2, and the outer surface of the cooling jacket 3 is provided with an oil inlet 5 and an oil return port. Port 4, oil inlet port 5 and oil return port 4 are provided with sealing rings 9. The oil return port is connected to the groove 6 of the stage 2 of the headstock, and there are at least two bearings 8. There are three bearings...
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