CN104389908A - High-speed rotating bearing lubricating device and lubricating system adopted by same - Google Patents
High-speed rotating bearing lubricating device and lubricating system adopted by same Download PDFInfo
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- CN104389908A CN104389908A CN201410655401.0A CN201410655401A CN104389908A CN 104389908 A CN104389908 A CN 104389908A CN 201410655401 A CN201410655401 A CN 201410655401A CN 104389908 A CN104389908 A CN 104389908A
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Abstract
The invention discloses a high-speed rotating bearing lubricating device and a lubricating system. The high-speed rotating bearing lubricating device comprises a rotating shaft, wherein the rotating shaft is provided with a first bearing and a second bearing; the outer sides of outer rings of the first bearing and the second bearing are provided with sleeves; an inner spacer sleeve which rotates with the inner ring of the first bearing and the inner ring of the second bearing together is arranged between the side surface of the inner ring of the first bearing and the side surface of the inner ring of the second bearing; an outer spacer sleeve is arranged between the side surface of the outer ring of the first bearing and the side surface of the outer ring of the second bearing, and the outer spacer sleeve is provided with an oil spray nozzle used for filling lubricating oil; the sleeves are provided with oil return holes used for recycling the lubricating oil; and a blade which rotates with the rotating shaft together is arranged at the position, which just faces to the oil spray nozzle used for filling the lubricating oil, of the inner spacer sleeve. The lubricating system comprises an oil temperature detection device, a lubricating oil filter device, an oil return flow detection device and a lubricating control device. The high-speed rotating bearing lubricating device disclosed by the invention achieves the purpose of equipment cost reduction because the blade which rotates at high speed with the high-speed rotating shaft together is adopted.
Description
Technical field
The invention belongs to technical field of mechanical equipment, particularly relate to the lubrication system of a kind of High Rotation Speed bearing-lubricating device and application thereof.
Background technique
The height of Zuan Gong center electro spindle rotating speed depends primarily on the height of the limit speed of main shaft bearing; The lubrication of bearing ensures that high-speed spindle bearing reaches capacity the prerequisite of rotating speed.Different speed range requires also different point grease lubrication and the oil mist lubrication of the mode of lubrication, is improve bearing limit speed, reduces bearing temperature rise, improves bearing working life; Rotating speed needs oil mist lubrication at the high-speed electric main shaft bearing of more than 15000r/min, at present the main requirement adopting imported oil fog generator to meet main shaft oil mist lubrication; Structure relative complex, processing request difficulty is large, and cost is high, safeguards and repairs difficulty complexity.
Summary of the invention
In view of this, the invention provides a kind of High Rotation Speed bearing-lubricating device, to solve oil fog generator complex structure in the prior art, processing request difficulty is large, and cost is high, safeguards and repairs the complicated problem of difficulty.
The present invention is achieved in that a kind of High Rotation Speed bearing-lubricating device, comprises running shaft, and described running shaft is provided with clutch shaft bearing and the second bearing; Sleeve is had in the arranged outside of the outer ring of described clutch shaft bearing outer ring and described second bearing; The inner spacing collar rotated together with the second bearing inner race with described clutch shaft bearing inner ring is provided with between described clutch shaft bearing inner ring side and the second bearing inner race side; Outer separator is provided with between described side, clutch shaft bearing outer ring and the second bearing outer ring side; Described outer separator is provided with the oil nozzle for injecting lubricant oil; Described sleeve is provided with the spill port for making lubrication oil circulation; Just the blade rotated together with described running shaft is provided with to the oil nozzle position of charging-up lubricant oil at described inner spacing collar.
Further, the horizontal section of described blade is in the waist drum shape making the lubricant oil injected scatter to both sides.
Preferably, described blade is more than one, is evenly distributed on described inner spacing collar circumferentially.
Further, described blade is even number, described inner spacing collar circumferentially in make inject lubricant oil to described clutch shaft bearing and the second bearing scatter shape be uniformly distributed.
Preferably, described blade is continuous distributed.
Preferably, described blade is interrupted distribution.
The present invention also provides a kind of lubrication system applying above-mentioned High Rotation Speed bearing-lubricating device, comprises the oil temperature sniffer for detecting lubricating oil temperature; For the lubricating filtering device of filtering impurity of lubricant; For changing the apparatus for automatic change of described lubricating filtering device; For detecting the flow detector of lubricating oil return amount; For according to the volume read-out of Oil-temperature control lubricant oil and the lubrication control device changed according to recirculating oil quantity controlled filter device; Wherein said oil temperature sniffer changes control gear with described profit and is electrically connected; Described flow detector changes control gear with described profit and is electrically connected; Described apparatus for automatic change changes control gear with described profit and is electrically connected.
Further, described filtrating equipment has the filter screen of more than one deck.
Further, also comprise the speed detector detecting described rotary shaft rotating speed, described speed detector changes control gear with described profit and is electrically connected.
Further, also comprise the oiling injection apparatus for adjusting oil spout flow, described oiling injection apparatus changes control gear with described profit and is electrically connected.
In High Rotation Speed bearing-lubricating device provided by the invention, owing to adopting the blade with high-speed rotating shaft simultaneously High Rotation Speed, lubricant oil is sprayed to bearing roller, thus bearing is constantly lubricated, the operating temperature of bearing reduces, the life-span increases; The object that the lubricating structure reached is simple, low cost does not affect again lubrication effect simultaneously; In lubrication system provided by the invention, owing to adopting oil temperature sniffer, lubricating filtering device, the flow detector of recirculating oil quantity, lubrication control device; Make it possible to the discharge rate according to Oil-temperature control lubricant oil, change according to capacity of reflux controlled filter, reach the reliable object of lubrication.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of High Rotation Speed bearing-lubricating device provided by the invention.
Fig. 2 is the first blade schematic diagram of High Rotation Speed bearing-lubricating device provided by the invention.
Fig. 3 is the second blade schematic diagram of High Rotation Speed bearing-lubricating device provided by the invention.
Fig. 4 is the third blade schematic diagram of High Rotation Speed bearing-lubricating device provided by the invention.
Fig. 5 is the schematic diagram of the first lubrication system provided by the invention.
Fig. 6 is the schematic diagram of the second lubrication system provided by the invention.
Fig. 7 is the schematic diagram of the third lubrication system provided by the invention.
Fig. 8 is the schematic diagram of the 4th kind of lubrication system provided by the invention.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and the embodiments, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of High Rotation Speed bearing-lubricating device, comprise running shaft, be provided with clutch shaft bearing and the second bearing on the rotary shaft; Sleeve is had in the arranged outside of the outer ring of clutch shaft bearing outer ring and the second bearing; The inner spacing collar rotated together with the second bearing inner race with clutch shaft bearing inner ring is provided with between clutch shaft bearing inner ring side and the second bearing inner race side; Outer separator is provided with between side, clutch shaft bearing outer ring and the second bearing outer ring side; Outer separator is provided with the oil nozzle for injecting lubricant oil; Sleeve is provided with the spill port for making lubrication oil circulation; Just the blade rotated together with running shaft is provided with to the oil nozzle position of charging-up lubricant oil at inner spacing collar.
Owing to adopting the blade with high-speed rotating shaft simultaneously High Rotation Speed, lubricant oil is sprayed to bearing roller, thus bearing is constantly lubricated, the operating temperature of bearing reduces, the life-span increases; The object that the lubricating structure reached is simple, low cost does not affect again lubrication effect simultaneously.
Below in conjunction with embodiment, realization of the present invention is described in detail.
As shown in Figure 1, be a kind of High Rotation Speed bearing-lubricating device provided by the invention, comprise running shaft 1, running shaft 1 is provided with clutch shaft bearing 2 and the second bearing 3; Sleeve 4 is had in the arranged outside of the outer ring of the outer ring of clutch shaft bearing 2 and the second bearing 3; The inner spacing collar 5 rotated together with the second bearing 3 inner ring with clutch shaft bearing 2 inner ring is provided with between clutch shaft bearing 2 inner ring side and the second bearing 3 inner ring side; Outer separator 6 is provided with between side, clutch shaft bearing 2 outer ring and the second side, bearing 3 outer ring; Outer separator 6 is provided with the oil nozzle 7 for injecting lubricant oil; Sleeve 4 is provided with the spill port 8 for making lubrication oil circulation; Just the blade 9 rotated together with running shaft 1 is provided with to oil nozzle 7 position of charging-up lubricant oil at inner spacing collar 5.
Inner spacing collar 5 can with running shaft 1 drive fit, the second bearing 3 as shown in Figure 1, first installs on running shaft 1 by its erection sequence, and then installs inner spacing collar 5 and outer separator 6, then installs clutch shaft bearing 2; In Fig. 1, in fact clutch shaft bearing 2 and the second bearing 3 are all duplex bearings; By such erection sequence, inner spacing collar 5 and outer separator 6 is made to form a cavity, can as the flowing space of lubricant oil; The surface of contact of inner spacing collar 5 and the inner ring side of clutch shaft bearing 2 and the inner ring side of the second bearing 3, can adopt high finishingness, make lubricant oil all flow to bearing roller, and do not flow to running shaft 1 outer surface, so just further increases lubrication and cooling-down effect; Blade 9 can be tightly placed in the outer surface of inner spacing collar 5, also can with inner spacing collar 5 once-through, thus ensure blade 9 can rotate along with the rotation of running shaft 1; Blade 9 faces oil nozzle 7, and the lubricant oil stream that such oil nozzle 7 sprays into is patted by blade 9, thus splashes towards periphery, and lubricant oil is constantly splashed toward bearing roller, so reach the object of lubrication and cooling; When the faster rotational speed of running shaft 1, the beating number of times of blade 9 to the lubricant oil stream sprayed into from oil nozzle 7 also increases, and the lubricant oil of splashing can be formed vaporific gradually, and lubrication and cooling-down effect can be strengthened further like this; The energy rotated with regard to make use of running shaft 1 like this makes lubrication strengthen, structure is simple, cost is low, when running in practice, bearing temperature rise is well suppressed, this saves buying and the maintenance cost of oil fog generator, thus improve the cost performance of equipment, also save the various materials manufacturing oil fog generator simultaneously, reach the object of low-carbon environment-friendly.
Further, as shown in Figure 2, the horizontal section of blade 9 is in the waist drum shape making the lubricant oil injected scatter to both sides; At this moment blade 9 both sides are symmetrical, when lubricant oil injects from the center of blade 9, can scatter to both sides equably, the lubricants capacity of namely splashing to clutch shaft bearing 2 and the second bearing 3 is substantially equal, the temperature rise of clutch shaft bearing 2 and the second bearing 3 would not be made so different, and clutch shaft bearing 2 and the second bearing 3 have identical wear intensity and life-span substantially, and this just facilitates maintenance, dismounting is once just all changed clutch shaft bearing 2 and the second bearing 3, the stress equalization of running shaft 1.
Preferably, blade 9 is more than one, is evenly distributed on inner spacing collar 5 circumferentially; As running shaft 1 rotating speed n=15000r/min, blade 9 quantity z=16 in practice, during blade 9 diameter D=60mm; Shock number of times T per minute can estimate with formula the following:
T=n z=15000 × 16=240000 time/min;
Such lubricant oil is tending towards atomization under the high-speed impact of 240,000 times per minute.
Further, as shown in Figure 3,4, blade 9 is even number, inner spacing collar 5 circumferentially in make inject lubricant oil to clutch shaft bearing 2 and the second bearing 3 scatter shape be uniformly distributed; So also can reach the object that the lubricant oil of injection is evenly splashed to clutch shaft bearing 2 and the second bearing 3, and such shape is easy to processing.
Preferably, as shown in Figure 3, blade 9 is continuous distributed, and blade 9 is at this moment in tabular, and be evenly distributed on inner spacing collar 5 circumferentially, the angle between continuous print blade 9 can do less, and when high speed, the amount of splashing of lubricant oil is more concentrated like this.
Preferably, as shown in Figure 4, blade 9 is interrupted distributions, and blade 9 is at this moment in tabular, and be evenly distributed on inner spacing collar 5 circumferentially, the angle between interrupted blade 9 can do more greatly, and when high speed, the particle of splashing of lubricant oil is less like this.
As shown in Figure 5, the present invention also provides a kind of lubrication system applying above-mentioned High Rotation Speed bearing-lubricating device, comprises the oil temperature sniffer for detecting lubricating oil temperature; For the lubricating filtering device of filtering impurity of lubricant; For changing the apparatus for automatic change of described lubricating filtering device; For detecting the flow detector of lubricating oil return amount; For according to the volume read-out of Oil-temperature control lubricant oil and the lubrication control device changed according to recirculating oil quantity controlled filter device; Wherein oil temperature sniffer and profit are changed control gear and are electrically connected; Flow detector and profit are changed control gear and are electrically connected; Apparatus for automatic change and profit are changed control gear and are electrically connected.
The detecting head of oil temperature sniffer can be arranged near spill port 8, installs easily like this, and is easy to change maintenance; When detecting head detect oil temperature raise time, the speed of circulation of lubricant oil can be accelerated to reduce oil temperature by lubrication control device, like this can by the control of oil temperature and then the object that reaches bearing cooling control; The simultaneously impurity of lubricant filtering that can inject of lubricating filtering device, thus play the protective action to bearing; When impurity increases, filtrating equipment can make the flow of lubricant oil reduce, and the way of the injection pressure of way or the increase lubricant oil changing filtrating equipment at this moment can be adopted to keep the flow of lubricant oil; So when oil temperature raises due to filtrating equipment blocking, flow detector can detect that the flow of lubricant oil reduces, so send instruction by lubrication control device to apparatus for automatic change, filtrating equipment is changed, so just can eliminate filtrating equipment blocking, increase flow of lubrication; Whether the method measuring oil pressure can certainly be adopted to block to detect filtrating equipment, its effect is the same; Like this by arranging oil temperature sniffer, lubricating filtering device, apparatus for automatic change, flow detector and lubrication control device, reach the object automatically controlling lubrication.
Further, filtrating equipment has the filter screen of more than one deck; Find to adopt three layer filtration net effect in practice better.
Further, as shown in Fig. 6,8, also comprise the speed detector detecting running shaft 1 rotating speed, speed detector and profit are changed control gear and are electrically connected; Like this when running shaft 1 rotating speed raises, the oil pressure of lubricant oil can be increased to accelerate the circulation of lubricant oil, thus reach the object reducing bearing temperature rise.
Further, as shown in Figure 7,8, also comprise the oiling injection apparatus for adjusting oil spout flow, oiling injection apparatus and profit are changed control gear and are electrically connected; When adopting oiling injection apparatus, the injection amount of lubricant oil can be controlled easily, adjustment control device can be increased to the temperature rise curve of bearing; Make the automaticity of equipment improve further simultaneously.
In a word, the blade that the present invention is rotated by employing and running shaft simultaneously, can scatter after lubricant oil is injected fast on bearing, reaches the object of lubricating bearings and reduction bearing temperature rise, relatively adopts oil fog generator to reduce the cost of equipment; Simultaneously by adopting Lubrication Control System, adding the automaticity of equipment, improve the manufacturing efficiency of equipment.
The foregoing is only better embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a High Rotation Speed bearing-lubricating device, comprises running shaft, and described running shaft is provided with clutch shaft bearing and the second bearing; Sleeve is had in the arranged outside of the outer ring of described clutch shaft bearing outer ring and described second bearing; The inner spacing collar rotated together with the second bearing inner race with described clutch shaft bearing inner ring is provided with between described clutch shaft bearing inner ring side and the second bearing inner race side; Outer separator is provided with between described side, clutch shaft bearing outer ring and the second bearing outer ring side; Described outer separator is provided with the oil nozzle for injecting lubricant oil; Described sleeve is provided with the spill port for making lubrication oil circulation; It is characterized in that, just the blade rotated together with described running shaft is provided with to the oil nozzle position of charging-up lubricant oil at described inner spacing collar.
2. High Rotation Speed bearing-lubricating device as claimed in claim 1, is characterized in that, the horizontal section of described blade is in the waist drum shape making the lubricant oil injected scatter to both sides.
3. High Rotation Speed bearing-lubricating device as claimed in claim 2, it is characterized in that, described blade is more than one, is evenly distributed on described inner spacing collar circumferentially.
4. High Rotation Speed bearing-lubricating device as claimed in claim 1, it is characterized in that, described blade is even number, described inner spacing collar circumferentially in the lubricant oil making to inject to described clutch shaft bearing and the second bearing scatter shape be uniformly distributed.
5. High Rotation Speed bearing-lubricating device as claimed in claim 4, is characterized in that: described blade is continuous distributed.
6. High Rotation Speed bearing-lubricating device as claimed in claim 4, is characterized in that: described blade is interrupted distribution.
7. applying a lubrication system for any one of the claims 1 to 6, it is characterized in that: comprising the oil temperature sniffer for detecting lubricating oil temperature; For the lubricating filtering device of filtering impurity of lubricant; For changing the apparatus for automatic change of described lubricating filtering device; For detecting the flow detector of lubricating oil return amount; For according to the volume read-out of Oil-temperature control lubricant oil and the lubrication control device changed according to recirculating oil quantity controlled filter device; Wherein said oil temperature sniffer changes control gear with described profit and is electrically connected; Described flow detector changes control gear with described profit and is electrically connected; Described apparatus for automatic change changes control gear with described profit and is electrically connected.
8. lubrication system as claimed in claim 7, is characterized in that: described filtrating equipment has the filter screen of more than one deck.
9. lubrication system as claimed in claim 7, is characterized in that: also comprise the speed detector detecting described rotary shaft rotating speed, described speed detector changes control gear with described profit and is electrically connected.
10. the lubrication system as described in any one of claim 7 to 9, is characterized in that: also comprise the oiling injection apparatus for adjusting oil spout flow, described oiling injection apparatus changes control gear with described profit and is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655401.0A CN104389908B (en) | 2014-11-17 | 2014-11-17 | A kind of high-speed rotating shaft bearing lubricating device and its lubricating system of application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410655401.0A CN104389908B (en) | 2014-11-17 | 2014-11-17 | A kind of high-speed rotating shaft bearing lubricating device and its lubricating system of application |
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| CN104389908A true CN104389908A (en) | 2015-03-04 |
| CN104389908B CN104389908B (en) | 2018-01-12 |
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| CN201410655401.0A Active CN104389908B (en) | 2014-11-17 | 2014-11-17 | A kind of high-speed rotating shaft bearing lubricating device and its lubricating system of application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889813A (en) * | 2015-05-22 | 2015-09-09 | 苏州亚思科精密数控有限公司 | Machine tool spindle lubricating oil system |
| CN106678344A (en) * | 2016-12-21 | 2017-05-17 | 徐工集团工程机械有限公司 | Transmission system, control system and method for lubricating grease injection and movable crusher |
| CN108425860A (en) * | 2018-02-05 | 2018-08-21 | 洛阳北玻台信风机技术有限责任公司 | A kind of transmission component for sweeper special fan |
| CN111677764A (en) * | 2019-08-30 | 2020-09-18 | 张莉 | High-speed bearing with oil mist channel on outer ring |
| CN114909403A (en) * | 2022-05-10 | 2022-08-16 | 深圳大华轴承有限公司 | High-precision super-miniature bearing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889813A (en) * | 2015-05-22 | 2015-09-09 | 苏州亚思科精密数控有限公司 | Machine tool spindle lubricating oil system |
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| CN111677764A (en) * | 2019-08-30 | 2020-09-18 | 张莉 | High-speed bearing with oil mist channel on outer ring |
| CN111677765A (en) * | 2019-08-30 | 2020-09-18 | 张莉 | High-speed bearing with outer ring with oil mist channel and capable of improving lubricating performance |
| CN114909403A (en) * | 2022-05-10 | 2022-08-16 | 深圳大华轴承有限公司 | High-precision super-miniature bearing |
| CN114909403B (en) * | 2022-05-10 | 2023-08-22 | 深圳大华轴承有限公司 | High-precision miniature bearing |
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| CN104389908B (en) | 2018-01-12 |
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