CN2498442Y - Grease-air lubricator for high speed spindle bearing - Google Patents
Grease-air lubricator for high speed spindle bearing Download PDFInfo
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- CN2498442Y CN2498442Y CN 01260310 CN01260310U CN2498442Y CN 2498442 Y CN2498442 Y CN 2498442Y CN 01260310 CN01260310 CN 01260310 CN 01260310 U CN01260310 U CN 01260310U CN 2498442 Y CN2498442 Y CN 2498442Y
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Abstract
Disclosed is an oil-air lubricating device for high-speed spindle bearing which belongs to the electromechanical technique field, the utility model comprises a water division filter, a filtering pressure-reducing valve, an oil filter, a high-pressure oil-injecting pump, an electromagnetic valve, mixing valves, a trimmer, quantitative elements and a controller, which transforms the existing oil-mist lubrication method to oil-gas lubrication method by injecting the needed quantities of lubricating oil into the compressed cooling air flow at suitable cycle intervals through the control program of the controller and mixing valves which can be superposed and combined before the lubricating oil is sent to each lubricating point. The device is mainly applied in the lubricating and cooling of the high speed rotating bearing of various machine tools and high-frequency motor spindles, which can expand the viscosity range of the used lubricating oil and enhance the oil film strength of the lubricated surface and send the optimal quantity of lubricating oil to the required lubricating point through the controlling of the microcomputer, fully lubricating and cooling the bearing races and meanwhile reducing the pollution to the environment of the overflowing oil mist, simplifying the complicated lubrication design and improving the work efficiency.
Description
Technical field: the utility model relates to a kind of electromechanical assembly, refers in particular to a kind of high-speed spindle bearing oil-air lubrication device.
Background technique: at present, to dmN (millimeter rev/min) 〉=100 * 10
4High-speed spindle bearing lubricated, be to finish by the oil mist lubrication device that uses primary atomization or secondary-atomizing, its working principle is that the pressurized air that filters is sent into oil sprayer, fluid is atomized, wherein a part of pressurized air enters the epicoele of oil storage cup by stop valve, pasta in oil storage cup air effect by compression makes fluid rise from fuel sucking pipe, enter and look oily cap, splash into oil spit hole through the over-richness valve regulation again, another part is called the compressed air of main passage the oily injection in the oil spit hole is come out, and oil is atomized the back and it is lubricated and cools off to high-speed spindle bearing with gas delivery.
Adopt the oil mist lubrication device of this working principle to have following shortcoming:
1, because at first lubricant oil will be dispelled into the mist of oil shape, send into high-speed bearing again, therefore used oil body is just lower, it causes: make the film strength on bearing lubrication surface lower on the one hand, the oil film resistance that generally records only tens ohm to hundreds of ohm, when the stressed work of high-speed main spindle, make bearing race can not get sufficient lubrication easily, thereby cause bearing wear, influence the working life of bearing.The part mist of oil is overflowed, cause environmental pollution.
2, because adopting the lubricant oil of this lubricating system is to colonize in the pressurized air equably with vaporific form, be to take lubricant oil to lubricating point by pressurized air, so the lubricants capacity that each lubricating point obtains depends on compressed-air actuated flow, and compressed-air actuated flow depends on the vapour lock of each lubricating point passage, to carry out the bearing lubrication design by the vapour lock that designs each lubricating point passage, make design process loaded down with trivial details, the airflow influence that is produced when particularly high-speed main spindle rotates, and the influence of main shaft peripheral environment, these influences mostly are dynamic influence, and it is lubricated fully to be difficult to guarantee that each lubricating point obtains.
In order further to improve machining accuracy, people have developed dmN 〉=180 * 10
4High speed, high rigidity, high-frequency motor spindle, thing followed problem is how to guarantee that this class high-speed spindle bearing can access effective lubricating.
Summary of the invention: technical problem to be solved in the utility model provides a kind ofly can carry out effectively lubricating and cooling and can reduce environmental pollution and simplify the oil-air lubrication device of greasing design high-speed spindle bearing.
For solving the technological scheme that this technical problem takes be: it mainly comprises lubricating cup (1), high pressure oiling pump (21), water filter (5), resistance regulator (13), quantitative element (14), altar pressure electromagnetic valve (16), changes and cut solenoid valve (17), air pump air inlet solenoid valve (10), and mixing chamber (12), controller (15) and oil purifier (9).Lubricating cup (1) is fixed on the chassis (8), and high pressure oiling pump (21) is installed in the top of lubricating cup (1); One inlet air source switch (2) is connected with the input end of water filter (5) through an air inlet barometer (3) and a pressure relay (4), the output terminal of water filter (5) respectively with the input end of an end of a filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), the input end of solenoid valve (17) is cut in commentaries on classics, the input end of air pump air inlet solenoid valve (10) is connected; The other end of filtering pressure reducing valve (6) is connected with a cooling barometer (7) and mixing chamber (12) respectively; Mixing chamber (12) respectively with the output terminal of altar pressure electromagnetic valve (16), the output terminal of solenoid valve (17) is cut in commentaries on classics, the output terminal of several quantitative elements (14) is connected, the output terminal of resistance regulator (13) is connected with each main shaft bearing (22) through several delivery outlet joints (20) respectively, and is parallel with delivery gauge (19); High pressure oiling pump (21) also is connected with the output terminal of air pump air inlet solenoid valve (10) and the input end of quantitative element (14) respectively; The upper end of oil purifier (9) is provided with an oil pressure gauge (18).Controller (15) respectively with filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), air pump air inlet solenoid valve (10), change and to cut solenoid valve (17) and high pressure oiling pump (21) is electrically connected.Mixing chamber (12) is made of several overlapping mixing valves, and each mixing valve mainly comprises valve body (23), guiding plug screw (24), right angle gas-tpe fitting (25) and (27), gas source connector (26), looks oily window (28), regulating spool (29), seals awl (30), piston rod (32), jet (33), air pipe (34) and oil connection (35).The plug screw (24) that leads in each mixing valve is screwed onto the upper end of valve body (23), is connected with piston rod (32) in the center hole of guiding plug screw, and the lower end of piston rod is a mixing chamber; Right angle gas-tpe fitting (25) is cut solenoid valve (17) with commentaries on classics and is connected; One end of gas source connector (26) communicates with source of the gas, and the other end of gas source connector is equiped with a regulating spool (29); Right angle gas-tpe fitting (27) communicates with altar pressure electromagnetic valve (16) and air pipe (34) respectively; The upper end of jet (33) is fixed with looks oily window (28), and its lower end communicates with quantitative element (14) through oil connection.
The utility model has the advantages that: because this device passes through air compression, the high pressure oiling, air cooling, oil gas mixes, and solenoid valve interlocking under the microcomputer program control and time-delay conducting, no longer need lubricant oil dispelled and nebulize, but lubricant oil quantitatively is transported on each lubricating point by cooling air by all period interval, can improve the oil body scope of using, strengthen the film strength of lubricated surface, make bearing race obtain lubricated fully and cooling, reduce of the pollution of institute's oil spilling mist simultaneously to environment, effectively eliminate the dynamic effects that causes because of each lubricating point vapour lock difference, simplify complicated Lubrication Design, increase work efficiency, constitute at a high speed, the lubricating fitting of new generation of high rigidity and high-frequency motor spindle.
Description of drawings:
Fig. 1 is the utility model schematic diagram.
Fig. 2 is the utility model plan view.
Fig. 3 is the utility model left view.
Fig. 4 is the utility model right elevation.
Fig. 5 is a mixing valve plan view in the utility model.
Fig. 6 is a mixing valve plan view in the utility model.
Fig. 7 is a mixing valve A-A cutaway view Amplified image in the utility model.
Fig. 8 is the utility model embodiment action flow chart.
Number in the figure is described as follows: 1, lubricating cup 2, inlet air source switch 3, air inlet barometer 4, pressure relay 5, water filter 6, filtering pressure reducing valve 7, cooling barometer 8, chassis 9, oil purifier 10, air pump air inlet solenoid valve 11, pouring orifice 12, mixing chamber 13, resistance regulator 14, quantitative element 15, controller 16, altar pressure electromagnetic valve 17, change and cut solenoid valve 18, oil pressure gauge 19, delivery outlet pressure gauge 20, delivery outlet joint 21, high pressure oiling pump 22, main shaft bearing 23, valve body 24, guiding plug screw 25, right angle gas-tpe fitting 26, gas source connector 27, right angle gas-tpe fitting 28, look oily window 29, regulating spool 30, sealing awl 31, spring 32, piston rod 33, jet 34, air pipe 35, oil connection
Embodiment: shown in Fig. 1-4, high-speed spindle bearing oil-air lubrication device mainly comprises lubricating cup (1), high pressure oiling pump (21), water filter (5), resistance regulator (13), quantitative element (14), altar pressure electromagnetic valve (16), change and cut solenoid valve (17), air pump air inlet solenoid valve (10), also comprise mixing chamber (12), controller (15) and oil purifier (9), wherein lubricating cup (1) is fixed on the chassis (8), its volume is 4 liters, high pressure oiling pump (21) is installed in the top of lubricating cup (1), it is adjustable that its every action once can extrude oil mass 2-10ml, and the range of viscosities of oil is 20-750mm
2/ s; Inlet air source switch (2) is connected with the input end of water filter (5) through air inlet barometer (3) and pressure relay (4), its source of the gas air pressure is 0.2-0.4Mpa, the output terminal of water filter (5) respectively with the input end of an end of filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), the input end of solenoid valve (17) is cut in commentaries on classics, the input end of air pump air inlet solenoid valve (10) is connected, wherein the altar pressure electromagnetic valve is direct current 24V with changeing the operating voltage of cutting solenoid valve, and the operating voltage of air pump air inlet solenoid valve is an alternating current 220V; The other end that filters solenoid valve (6) is connected with cooling barometer (7) and mixing chamber (12) respectively; Mixing chamber (12) is cut the output terminal of solenoid valve (17), the output terminal of 5 quantitative elements (14) and the input end of 5 resistance regulators (13) and is connected with output terminal, the commentaries on classics of altar pressure electromagnetic valve (16) respectively, quantitative element can send oily 0.025ml at every turn, the output terminal of resistance regulator (13) is connected with each main shaft bearing (22) through 5 delivery outlet joints (20) respectively, can make every road flow identical by resistance regulator; High pressure oiling pump (21) also is connected with the output terminal of air pump air inlet solenoid valve (10) and the input end of quantitative element (14) respectively, and is parallel with delivery gauge (19); The upper end of oil purifier (9) is provided with an oil pressure gauge (18); The top of lubricating cup (1) is fixed with a pouring orifice (11).
Controller (15) respectively with filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), air pump air inlet solenoid valve (10), change and to cut solenoid valve (17) and high pressure oiling pump (21) is electrically connected.Controller includes micro computer and control program, and it is realized filtering pressure reducing valve, altar pressure electromagnetic valve, air pump air inlet solenoid valve, changes the action control of cutting solenoid valve and high pressure oiling pump, the interlocking of execution and delay.Controller panel is provided with the LED indicator, and visualization ground monitors the action of high pressure oiling pump and each solenoid valve.Controller has low excessively demonstration of oil starvation, air pressure and sender protective function.Controller is provided with the communication interface that is connected with other machinery control system.
Shown in Fig. 5-7,5 mixed valve bodies (23) are fastened together by four stud respectively; Guiding plug screw (24) is screwed onto the upper end of valve body (23), be connected with piston rod (32) in the center hole of guiding plug screw, the lower end of piston rod is a mixing chamber, and the bottom of mixing chamber is equiped with sealing awl (30), and sidewall socket spring (31) back of mixing chamber is connected with valve body (23); Right angle gas-tpe fitting (25) is cut solenoid valve (17) with commentaries on classics and is connected; One end of gas source connector (26) communicates with the 0.2MPa source of the gas, and the other end of gas source connector is equiped with regulating spool (29); Right angle gas-tpe fitting (27) communicates with altar pressure electromagnetic valve (16) and air pipe (34) respectively; The upper end of jet (33) is fixed with looks oily window (28), and its lower end communicates with quantitative element (14) through oil connection (35).
The working procedure of high-speed spindle bearing oil-air lubrication device is: pressurized air forms dry pressurized air behind water filter (5), this pressurized air is divided into two-way, one the tunnel is the high pressure draught of 0.4Mpa, it is sent to high pressure oiling pump (21) through air pump air inlet solenoid valve (10), and high pressure draught links to each other with mixing chamber through altar pressure electromagnetic valve (16) simultaneously; Another road reduction valve (6) generation pressure after filtration is the air-flow of 0.2Mpa, and this air-flow is sent into mixing chamber (12).Lubricant oil is linked to each other with mixing chamber through quantitative element (14) by high pressure oiling pump.During initial state, under the control of controller (15), altar pressure electromagnetic valve (16) closes, and will send the innage pressure gas stream to block, and makes mixing chamber (12) be in low-pressure state; Change and cut solenoid valve (17) pass, mixing chamber (12) and cooling air flow passage are closed.Controller (15) sends signal and gives air pump air inlet solenoid valve (10), make its conducting, high pressure draught at first moves high pressure oiling pump (21), lubricant oil is sent into mixing chamber (12) through quantitative element (14), the solenoid valve of air pump air inlet immediately (10) cuts out, controller sends signal then, altar pressure electromagnetic valve (16) conducting; Then controller sends signal, and it is logical that solenoid valve (17) is cut in commentaries on classics; High pressure air through altar pressure electromagnetic valve (16) is smashed the lubricant oil of mixing chamber (12) lining, is pressed in the cooling blast, is delivered on the lubricating point by cooling blast.Change subsequently and cut solenoid valve (17) pass, mixing chamber and cooling air flow passage are closed; Altar pressure electromagnetic valve (16) closes, and recovers reset condition.As required, postpone to repeat the front action behind the set time, so circulation realizes the lubricated and cooling to the bearing that runs up.This device also is provided with pre-oiling operation and normal circulation operation two states.Motion flow by controller control is seen Fig. 8.
Claims (3)
1, a kind of high-speed spindle bearing oil-air lubrication device, mainly comprise lubricating cup (1), high pressure oiling pump (21), water filter (5), resistance regulator (13), quantitative element (14), altar pressure electromagnetic valve (16), change and cut solenoid valve (17), air pump air inlet solenoid valve (10), it is characterized in that: also comprise mixing chamber (12), controller (15) and oil purifier (9), wherein lubricating cup (1) is fixed on the chassis (8), and high pressure oiling pump (21) is installed in the top of lubricating cup (1); One inlet air source switch (2) is connected with the input end of water filter (5) through an air inlet barometer (3) and a pressure relay (4), the output terminal of water filter (5) respectively with the input end of an end of a filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), the input end of solenoid valve (17) is cut in commentaries on classics, the input end of air pump air inlet solenoid valve (10) is connected; The other end that filters solenoid valve (6) is connected with a cooling barometer (7) and mixing chamber (12) respectively; Mixing chamber (12) is cut the output terminal of solenoid valve (17), the output terminal of several quantitative elements (14) and the input end of several resistance regulators (13) and is connected with output terminal, the commentaries on classics of altar pressure electromagnetic valve (16) respectively, and the output terminal of resistance regulator (13) is connected with each main shaft bearing (22) through several delivery outlet joints (20) respectively; High pressure oiling pump (21) also is connected with the output terminal of air pump air inlet solenoid valve (10) and the input end of quantitative element (14) respectively, and is parallel with delivery gauge (19); The upper end of oil purifier (9) is provided with an oil pressure gauge (18); The top of lubricating cup (1) is fixed with a pouring orifice (11);
Controller (15) respectively with filtering pressure reducing valve (6), altar pressure electromagnetic valve (16), air pump air inlet solenoid valve (10), change and to cut solenoid valve (17) and high pressure oiling pump (21) is electrically connected; Be provided with the communication interface that is connected with other machinery control system.
2, high-speed spindle bearing oil-air lubrication device according to claim 1, it is characterized in that: mixing chamber (12) is made of several overlapping mixing valves, each mixing valve mainly comprises valve body (23), guiding plug screw (24), right angle gas-tpe fitting (25) and (27), gas source connector (26), looks oily window (28), regulating spool (29), seals awl (30), piston rod (32), jet (33), air pipe (34) and oil connection (35), and wherein several valve bodies (23) are fastened together by four stud respectively; Guiding plug screw (24) is screwed onto the upper end of valve body (23), be connected with piston rod (32) in the center hole of guiding plug screw, the lower end of piston rod is a mixing chamber, and the bottom of mixing chamber is equiped with sealing awl (30), and sidewall socket one spring (31) back of mixing chamber is connected with valve body (23); Right angle gas-tpe fitting (25) is cut solenoid valve (17) with commentaries on classics and is connected; One end of gas source connector (26) communicates with source of the gas, and the other end of gas source connector is equiped with a regulating spool (29); Right angle gas-tpe fitting (27) communicates with altar pressure electromagnetic valve (16) and air pipe (34) respectively; The upper end of jet (33) is fixed with looks oily window (28), and its lower end communicates with quantitative element (14) through oil connection.
3, high-speed spindle bearing oil-air lubrication device according to claim 1 and 2 is characterized in that: the quantity of valve body (23), quantitative element (14), resistance regulator (13) and pressure gauge (19) is 2-10.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 01260310 CN2498442Y (en) | 2001-09-14 | 2001-09-14 | Grease-air lubricator for high speed spindle bearing |
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CN 01260310 CN2498442Y (en) | 2001-09-14 | 2001-09-14 | Grease-air lubricator for high speed spindle bearing |
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CN 01260310 Expired - Fee Related CN2498442Y (en) | 2001-09-14 | 2001-09-14 | Grease-air lubricator for high speed spindle bearing |
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Cited By (10)
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CN100344889C (en) * | 2003-07-04 | 2007-10-24 | 三菱电机株式会社 | Magnetic bearing device |
CN102672531A (en) * | 2012-03-23 | 2012-09-19 | 浙江大学 | Lubricating system for universal double-swing head of large-scale numerical control machining center |
CN103347648A (en) * | 2011-02-11 | 2013-10-09 | 费罗尔有限责任公司 | Fluidostatic rolling device for surface processing and method for shaping the edge layer |
CN104154399A (en) * | 2013-05-13 | 2014-11-19 | 上海比申节能科技有限公司 | Automatic oil gas lubricating device |
CN105114797A (en) * | 2015-10-08 | 2015-12-02 | 北京理工大学 | Oil-air lubricating device using throttling cavitation effect |
CN107339593A (en) * | 2016-12-28 | 2017-11-10 | 青岛盘古润滑技术有限公司 | Apneumatic pattern lubricant sprays lubricating arrangement and control method |
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CN110118299A (en) * | 2019-06-04 | 2019-08-13 | 合肥神马科技集团有限公司 | A kind of big bearing of high speed and the oil-air lubrication structure for it |
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CN117889331A (en) * | 2024-03-14 | 2024-04-16 | 烟台华顺机械工程设备有限公司 | Oil-gas mixing distributor and oil-gas lubrication substation |
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2001
- 2001-09-14 CN CN 01260310 patent/CN2498442Y/en not_active Expired - Fee Related
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
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CN100344889C (en) * | 2003-07-04 | 2007-10-24 | 三菱电机株式会社 | Magnetic bearing device |
CN103347648B (en) * | 2011-02-11 | 2016-08-10 | 埃科罗尔刀具技术股份公司 | Hydrostatic pressure roll milling apparatus for Surface Machining and the method for top layer shaping |
CN103347648A (en) * | 2011-02-11 | 2013-10-09 | 费罗尔有限责任公司 | Fluidostatic rolling device for surface processing and method for shaping the edge layer |
US9321135B2 (en) | 2011-02-11 | 2016-04-26 | Ecoroll Ag Werkzeugtechnik | Fluidostatic rolling device for surface processing and method for shaping the edge layer |
CN102672531A (en) * | 2012-03-23 | 2012-09-19 | 浙江大学 | Lubricating system for universal double-swing head of large-scale numerical control machining center |
CN102672531B (en) * | 2012-03-23 | 2014-05-14 | 浙江大学 | Lubricating system for universal double-swing head of large-scale numerical control machining center |
CN104154399A (en) * | 2013-05-13 | 2014-11-19 | 上海比申节能科技有限公司 | Automatic oil gas lubricating device |
CN105114797B (en) * | 2015-10-08 | 2017-05-10 | 北京理工大学 | Oil-air lubricating device using throttling cavitation effect |
CN105114797A (en) * | 2015-10-08 | 2015-12-02 | 北京理工大学 | Oil-air lubricating device using throttling cavitation effect |
CN107339593A (en) * | 2016-12-28 | 2017-11-10 | 青岛盘古润滑技术有限公司 | Apneumatic pattern lubricant sprays lubricating arrangement and control method |
CN107339593B (en) * | 2016-12-28 | 2022-11-15 | 青岛盘古润滑技术有限公司 | Airless lubricant jet lubrication device and control method |
CN109357147A (en) * | 2018-12-03 | 2019-02-19 | 沈阳中煤工程技术有限公司 | Belt Conveyor Driven by Multi-motor can be with the lubricating system for carrying flexible starting speed regulation device |
CN109357147B (en) * | 2018-12-03 | 2024-01-23 | 沈阳中煤工程技术有限公司 | Lubricating system of multi-machine driving belt conveyor capable of carrying flexible starting speed regulating device |
CN110118299A (en) * | 2019-06-04 | 2019-08-13 | 合肥神马科技集团有限公司 | A kind of big bearing of high speed and the oil-air lubrication structure for it |
CN110878899A (en) * | 2019-11-28 | 2020-03-13 | 王巧云 | Oil-gas lubrication mixing equipment and working method thereof |
CN110878899B (en) * | 2019-11-28 | 2020-12-04 | 灵璧县浩翔信息科技有限公司 | Oil-gas lubrication mixing equipment and working method thereof |
CN117889331A (en) * | 2024-03-14 | 2024-04-16 | 烟台华顺机械工程设备有限公司 | Oil-gas mixing distributor and oil-gas lubrication substation |
CN117889331B (en) * | 2024-03-14 | 2024-05-14 | 烟台华顺机械工程设备有限公司 | Oil-gas mixing distributor and oil-gas lubrication substation |
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