WO2011006280A1 - A micro-lubrication system - Google Patents

A micro-lubrication system Download PDF

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Publication number
WO2011006280A1
WO2011006280A1 PCT/CN2009/000799 CN2009000799W WO2011006280A1 WO 2011006280 A1 WO2011006280 A1 WO 2011006280A1 CN 2009000799 W CN2009000799 W CN 2009000799W WO 2011006280 A1 WO2011006280 A1 WO 2011006280A1
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WO
WIPO (PCT)
Prior art keywords
oil
gas
tube
air
air chamber
Prior art date
Application number
PCT/CN2009/000799
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French (fr)
Chinese (zh)
Inventor
袁松梅
严鲁涛
刘强
Original Assignee
北京航空航天大学
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Publication date
Application filed by 北京航空航天大学 filed Critical 北京航空航天大学
Priority to PCT/CN2009/000799 priority Critical patent/WO2011006280A1/en
Priority to GB1106429A priority patent/GB2476900A/en
Publication of WO2011006280A1 publication Critical patent/WO2011006280A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
    • B23Q11/1046—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using a minimal quantity of lubricant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1084—Arrangements for cooling or lubricating tools or work specially adapted for being fitted to different kinds of machines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to a micro-lubrication system, in particular to a quasi-dry cutting liquid supply system for atomizing a lubricant and spraying it to a cutting zone at a relatively high speed to realize a lubrication and cooling processing region. It is a liquid supply system in the field of machining.
  • MQL Micro-lubrication technology
  • the cutting fluid supply system generally includes a fuel tank, a liquid pump, and a nozzle.
  • the pump draws the cutting fluid to the nozzle and pours it into the processing area.
  • the traditional cutting fluid supply system cannot obtain a suitable amount of lubricant mist or spray the mist lubricant to the cutting area, so the conventional cutting fluid supply system is not suitable for the micro-lubrication cutting process.
  • the object of the present invention is to provide a micro-lubrication system for solving the deficiencies in the prior art, providing a mist-like lubricant required for a minute lubrication cutting process, and having uniform mist particles and stable operation.
  • the invention discloses a micro lubrication system, which specifically comprises:
  • Fuel tank 1 liquid inlet pipe 2, connecting pipe 3, oil quantity regulating valve 4 (for controlling oil quantity), gas outlet 5, nozzle 6 (atomizing lubricant), oil pipe 7, gas pipe 8, oil outlet 9, gas inlet 10, air chamber 11, air chamber air tube 12, fuel tank air tube 13, pneumatic valve 14 (for adjusting gas pressure), tank gas inlet 15.
  • the liquid guiding tube 2, the connecting tube 3, and the air chamber 11 are disposed inside the oil tank 1; the liquid guiding tube 2 is ended toward the oil tank 1 The bottom is extended, and the other end is connected to the oil regulating valve 4 at the top of the oil tank; the oil outlet 9 is disposed at the bottom of the air chamber 11, one end is connected to the oil quantity regulating valve through the connecting pipe 3, and the other end is connected to the oil pipe 7; the gas outlet 5, the gas inlet 10 is disposed at the top of the oil tank 1 and penetrates the air chamber 11; the gas inlet 10 is connected to the air chamber air tube 12, and the compressed gas in the air chamber air tube 12 enters the air chamber 11 through the gas inlet 10; the gas outlet 5 and the air tube 8 Connected, the liquid pipe 7 is disposed inside the gas outlet 5 and the gas pipe 8, and the gas in the gas chamber 11 enters the gas pipe 8 and the liquid pipe 7 through the gas outlet 5; the nozzle 6 is a double-layer mechanism, and the outer layer is connected with the gas pipe 8.
  • the inner layer of the nozzle 6 is connected to the oil pipe 7; the oil tank gas inlet 15 is disposed on the side wall of the oil tank 1, and the oil tank gas pipe 13 is connected to the oil tank gas inlet 15 through the air pressure port 14, and the gas is adjusted by the gas pressure valve 14 to enter the inside of the oil tank 1.
  • the invention relates to a micro lubrication system, which specifically comprises: a fuel tank la, a liquid guiding tube 2a, a connecting tube 3a, an oil quantity adjusting unit 4a (for controlling the amount of oil), a capillary tube 5a, a nozzle 6a (atomizing lubricant), shrinking- The diffusion hole 7a, the oil-air pipe 8a, the oil outlet 9a, the gas inlet 10a, the gas chamber l la, the gas chamber gas pipe 12a, the oil tank gas pipe 13a, the gas pressure valve 14a (for adjusting the gas pressure), and the oil tank gas inlet 15a.
  • the liquid guiding tube 2a, the connecting tube 3a, and the air chamber 11a are disposed inside the oil tank la; the liquid guiding tube 2a is extended toward the bottom of the oil tank la, and the other end is connected to the oil amount adjusting valve 4a at the top of the oil tank; the oil outlet 9a is disposed at At the bottom of the air chamber 11a, one end is connected to the oil amount adjusting valve through the connecting pipe 3a, and the other end is connected to the capillary tube 5a ; the contraction-diffusion hole 7a, the gas inlet 10a is disposed at the top of the oil tank 1, and penetrates with the air chamber 11a; the gas inlet 10a is connected The air chamber trachea 12a, the compressed gas in the air chamber trachea 12a enters the air chamber 11a through the gas inlet 10a; the contraction-diffusion hole 7a-end is connected to the capillary 5a, and the other end is connected to the oil-gas tube 8a; the nozzle 6a and the oil
  • An air chamber is arranged in the oil tank of the micro-lubrication system, and the gas in the air chamber directly enters the air tube to the nozzle.
  • the compressed gas does not enter the tank, so the pressure inside the tank is small and the amount of oil is easy to control.
  • the lubricating oil in the oil tank enters the liquid guiding pipe under the gas pressure, and enters the oil quantity adjusting valve to adjust the amount of lubricating oil used.
  • the compressed air is adjusted by the pneumatic valve and then enters the oil tank, and the lubricating oil is pressed into the liquid guiding tube. Therefore, the pneumatic valve can also adjust the amount of lubricant used.
  • oil and compressed gas are mixed at the end of the nozzle, and are atomized into extremely small mist particles, which are small in diameter and high in uniformity.
  • the micro-lubrication system proposes a practical method for green manufacturing, which is an effective way to replace the large amount of cutting fluid used in conventional processing.
  • Figure 1 is a front view of a first embodiment of the present invention
  • Figure 2 is a plan view of the first embodiment of the present invention.
  • Figure 3 is a view of a nozzle in the first embodiment of the present invention.
  • Figure 4 is a front view of the second embodiment of the present invention.
  • Figure 5 is a view of the nozzle in the second embodiment of the present invention.
  • the present invention proposes a micro-lubrication system, specifically by the oil tank 1, the liquid guiding tube 2, the connecting tube 3, the oil quantity regulating valve 4 (for controlling the amount of oil), the gas outlet 5, the nozzle 6 (Atomizing lubricant), Tubing 7, Gas pipe 8, Oil outlet 9, Gas / port 10, Air chamber 11, Air chamber tube 12, Tank tube 13, Gas valve 14 (for adjusting gas pressure), Tank gas inlet 15 composition.
  • the liquid guiding tube 2, the connecting tube 3, and the air chamber 11 are disposed inside the oil tank 1.
  • the liquid guiding tube 2 is connected to the oil quantity regulating valve 4, and the connecting tube 3 is connected to the oil quantity regulating valve 4 and the oil outlet 9;
  • the oil outlet 9 is disposed at the bottom of the air chamber 11, and the oil outlet 9 is connected to the connecting pipe 3 and the oil pipe 7;
  • the oil amount adjusting valve 4, the gas outlet 5, and the gas inlet 10 are disposed at the top of the oil tank 1.
  • the oil quantity adjusting valve 4 is connected to the liquid guiding tube 2 and the connecting tube 3;
  • the gas outlet 5 is connected to the air tube 8
  • the liquid tube 7 is disposed inside the gas outlet 5 and the gas tube 8, and the gas in the air chamber 11 enters through the gas outlet 5
  • the gas tube 8 and the liquid tube 7 are in the compartment;
  • the gas inlet 10 is connected to the air chamber air tube 12 and the air chamber 11, and the compressed gas in the air chamber air tube 12 enters the air chamber 11 through the gas inlet 10;
  • the tank gas inlet 15 is disposed on the side wall of the tank 1, and the tank gas pipe 13 is connected to the gas pressure valve 14, and the gas is adjusted to the pressure through the gas pressure valve 14 and then enters the inside of the fuel tank 1.
  • the nozzle 6 is a double-layer mechanism, connected to the gas pipe 8 and the oil pipe 7, and the outer layer of the nozzle 6 is connected with the gas pipe 8, and the inner layer of the nozzle 6 is connected with the oil pipe 7;
  • the compressed gas enters the gas pressure valve 14 through the tank gas pipe 13, and after adjusting the appropriate pressure, the compressed gas enters the inside of the oil tank 1 through the gas inlet 15 of the oil tank, and under the action of the gas pressure, the lubricating oil in the oil tank is Press in the dip tube 2.
  • the oil quantity adjusting valve 4 is placed at the top of the tank 1 to adjust the amount of lubricating oil used.
  • the oil in the liquid guiding tube 2 is adjusted by the oil quantity adjusting valve 4 and then enters the connecting pipe 3.
  • the connecting pipe 3 is connected to the oil amount adjusting valve 4 and the oil pipe 7, so that the oil enters the oil pipe 7 through the oil outlet 9 under the pressure of the compressed gas.
  • a gas inlet 10 is provided at the top of the gas chamber 11, and compressed gas in the gas chamber gas tube 12 can enter the interior of the gas chamber 11 through the gas inlet 10.
  • the compressed air in the air chamber enters the air tube 8 through the gas outlet 5.
  • the oil pipe 7 is disposed inside the air pipe 8.
  • Lubricating oil enters the inner layer of the nozzle 6 through the oil pipe 7, and is compressed
  • the gas enters the outer layer of the nozzle 6 through the gas pipe 8, and the compressed gas and the lubricating oil are mixed at the end of the nozzle 6. Under pressure, the lubricating oil is sufficiently atomized into fine and uniform lubricating oil mist particles.
  • the nozzle 6 is a double layer mechanism.
  • the gas in the gas pipe 8 enters the outer layer of the nozzle 6, and the lubricating oil in the oil pipe 7 enters the inner layer of the nozzle 6. Since the amount of lubricating oil used is extremely small, the lubricating oil in the oil pipe 7 is discontinuous, and a center hole is provided in the center of the nozzle 6 to cause the lubricating oil to aggregate into the continuous body in the hole.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the second embodiment of the micro lubrication system consists of a fuel tank la, a liquid guiding tube 2a, a connecting tube 3a, a fuel amount adjusting valve 4a, a capillary tube 5a, a nozzle 6a, a contraction-diffusion hole 7a, an oil-air tube 8a, and an oil outlet 9a.
  • the gas inlet 10a, the air chamber l la, the air chamber air tube 12a, the tank air tube 13a, the air pressure valve 14a, and the oil tank gas inlet 15a are composed.
  • the bow I liquid pipe 2a, the connecting pipe 3a, and the air chamber 11a are disposed inside the tank la.
  • the liquid guiding tube 2a is connected to the oil quantity regulating valve 4a
  • the connecting tube 3a is connected to the oil regulating width 4a and the capillary tube 5a;
  • the oil outlet 9a is disposed at the bottom of the air chamber 11a, and the connecting pipe 3a passes through the oil outlet 9a and is in contact with the capillary 5a; the oil amount adjusting valve 4a, the contraction-diffusion hole 7a, the gas inlet 10a, and the capillary 5a are disposed at the top of the tank la.
  • the oil quantity adjusting valve 4a is connected to the liquid guiding tube 2a and the connecting tube 3a; the contraction-diffusion hole 7a is connected to the air tube 8a and the capillary tube 5a, and the gas in the air chamber 11a enters the air tube 8a through the contraction-diffusion hole 7a; the gas inlet 10a The air chamber air tube 12a and the air chamber 11a are connected; the nozzle 6a is connected to the air tube 8a.
  • the tank gas inlet 15a is disposed on the side wall of the tank la, and the tank gas pipe 13a is connected to the gas pressure valve 14a, and the gas is regulated by the gas pressure valve 14a to enter the inside of the tank la.
  • the compressed gas enters the pneumatic valve 14a through the tank gas pipe 13a, and after the pressure is adjusted, the compressed gas enters the inside of the tank la through the tank gas inlet 15a. Under the pressure of the compressed gas, the lubricating oil in the tank la is pressed into the liquid guiding tube 2a.
  • the fuel tank la top is provided with oil adjustment ⁇ to adjust the flow rate of the lubricant.
  • the connecting pipe 3a is connected to the oil amount adjusting valve 4a and the capillary 5a. The lubricating oil enters the capillary 5a under the action of the compression air pressure in the tank la and the contraction-diffusion hole 7a.
  • the gas inlet 10a connects the air chamber air tube 12a and the air chamber l la.
  • the compressed gas in the air chamber trachea 12a can enter the air chamber 11a through the gas inlet 10a.
  • Compressed gas flows in through the contraction-diffusion hole 7a
  • the oil-air pipe 8a, the lubricating oil in the capillary 5a also enters the oil-air pipe 8a and is sufficiently mixed with the compressed air.
  • a nozzle 6a is provided at the end of the oil-air pipe 8a for atomizing the oil into minute oil particles.
  • the compressed gas after the pressure is adjusted by the pneumatic valve enters the oil tank and pressurizes the oil into the liquid guiding tube.
  • the flow rate of the lubricating oil can be jointly controlled by the pneumatic valve and the oil quantity regulating valve.
  • the nozzle atomizes a mixture of lubricating oil and compressed gas having a suitable flow rate into a fine, uniform oil mist.
  • the oil mist particles obtained by the micro-lubrication system of the present invention are fine and uniform, and have a high speed when sprayed, and can be used as a lubricating oil supply during the micro-lubrication cutting process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)

Abstract

A micro-lubrication system, in which an induction pipe (2), a connection pipe (3), and an air chamber (11) are provided in an oil tank (1), an end of the induction pipe (2) extends towards the bottom of the oil tank (1), the other end connects a regulating valve (4) for oil quantity, which is located on the top of oil tank (1), an oil outlet (9) is provided on the bottom of air chamber (11), an end of the oil outlet (9) connects the regulating valve (4) via a connection pipe (3), the other end connects an oil tube (7), an air outlet (5) and an air inlet (10) are provided on the top of oil tank (1) and communicate the air chamber (11), the air inlet (10) connects an air chamber air tube (12), compressed air in the air chamber air tube (12) enter into the air chamber (11) via the air inlet (10), the air outlet (5) connects an air tube (8), the oil tube (7) is provided on an inner side of the air outlet (5) and the air tube (8), and air in the air chamber (11) is guided into the air tube (8) the air outlet (5), a nozzle (6) with double-layer structure whose outer layer is connected with the air tube (8) while inner layer is connected with the oil tube (7), an oil tank air inlet (15) is provided on a side wall of the oil tank (1), an oil tank air tube (13) is connected with an oil tank air inlet (12) via pressure valve (14), air passes through the valve with pressure regulated, and is guided into the oil tank (1). The invention provides a green manufacture method, it is an effective way to replace the conventional machining which must use a lot of cutting lubricant.

Description

一种微量润滑系统  Miniature lubrication system
(一）技术领域 (1) Technical field
本发明一种微量润滑系统， 具体涉及一种将润滑剂雾化并以较高速度喷射 至切削区， 实现润滑冷却加工区域的准干切削供液系统。 属于机械加工领域的 供液系统。  The invention relates to a micro-lubrication system, in particular to a quasi-dry cutting liquid supply system for atomizing a lubricant and spraying it to a cutting zone at a relatively high speed to realize a lubrication and cooling processing region. It is a liquid supply system in the field of machining.
(二） 背景技术 (2) Background technology
传统加工过程中大量使用切削液， 不仅是环境污染的重要源头， 也增加了 制造成本。 在环保及各项法规的制约下， 切削液使用量逐渐受限。 干式切削技 术研究并不成熟， 推广困难。微量润滑技术（MQL)综合了干式切削及传统切削 的优点， 其研究在逐步深入并得到广泛应用。  The extensive use of cutting fluids in traditional processing is not only an important source of environmental pollution, but also increases manufacturing costs. Under the constraints of environmental protection and various regulations, the use of cutting fluid is gradually limited. The research on dry cutting technology is not mature and it is difficult to promote. Micro-lubrication technology (MQL) combines the advantages of dry cutting and conventional cutting, and its research is gradually deepening and widely used.
传统加工时， 切削液供液系统一般包括油箱， 抽液泵， 喷嘴组成。 泵将切 削液抽至喷嘴并浇注至加工区域。 传统切削液供液系统不能得到合适的微小量 润滑剂雾粒， 也无法将雾状润滑剂喷射至切削区域， 故传统切削液供液系统不 适用于微量润滑切削过程。  In conventional processing, the cutting fluid supply system generally includes a fuel tank, a liquid pump, and a nozzle. The pump draws the cutting fluid to the nozzle and pours it into the processing area. The traditional cutting fluid supply system cannot obtain a suitable amount of lubricant mist or spray the mist lubricant to the cutting area, so the conventional cutting fluid supply system is not suitable for the micro-lubrication cutting process.
(三）发明内容 (3) Invention content
本发明的目的是提出一种微量润滑系统， 以解决现有技术中的不足， 提供 微量润滑切削过程中需求的雾状润滑剂， 且雾粒均匀、 工作稳定。  SUMMARY OF THE INVENTION The object of the present invention is to provide a micro-lubrication system for solving the deficiencies in the prior art, providing a mist-like lubricant required for a minute lubrication cutting process, and having uniform mist particles and stable operation.
本发明一种微量润滑系统， 具体包含：  The invention discloses a micro lubrication system, which specifically comprises:
油箱 1， 引液管 2， 连接管 3， 油量调节阀 4 (用于控制油量）， 气体出口 5， 喷嘴 6 (雾化润滑剂）， 油管 7， 气管 8， 油出口 9， 气体入口 10， 气腔 11， 气腔气 管 12， 油箱气管 13, 气压阀 14 (用于调整气体压力）， 油箱气体入口 15。  Fuel tank 1, liquid inlet pipe 2, connecting pipe 3, oil quantity regulating valve 4 (for controlling oil quantity), gas outlet 5, nozzle 6 (atomizing lubricant), oil pipe 7, gas pipe 8, oil outlet 9, gas inlet 10, air chamber 11, air chamber air tube 12, fuel tank air tube 13, pneumatic valve 14 (for adjusting gas pressure), tank gas inlet 15.
其中， 引液管 2、连接管 3、气腔 11设置在油箱 1内部； 引液管 2—端朝油箱 1 底部延伸， 另一端连接位于油箱顶部的油量调节阀 4; 油出口 9设置在气腔 11底 部， 一端通过连接管 3与油量调节阀连接， 另一端连接油管 7 ; 气体出口 5、气体 入口 10设置在油箱 1的顶部，与气腔 11贯通;气体入口 10连接所述的气腔气管 12， 气腔气管 12内的压缩气体经气体入口 10进入气腔 11内；气体出口 5与气管 8相连， 液管 7设置在气体出口 5及气管 8内侧，且气腔 11内气体通过气体出口 5进入气管 8 及液管 7的隔层内； 喷嘴 6为双层机构， 外层与气管 8连接， 喷嘴 6内层与油管 7 连接；油箱气体入口 15设置在油箱 1侧壁上，油箱气管 13通过气压闽 14与油箱气 体入口 15连接， 气体经气压阀 14调节压力后进入油箱 1内部。 Wherein, the liquid guiding tube 2, the connecting tube 3, and the air chamber 11 are disposed inside the oil tank 1; the liquid guiding tube 2 is ended toward the oil tank 1 The bottom is extended, and the other end is connected to the oil regulating valve 4 at the top of the oil tank; the oil outlet 9 is disposed at the bottom of the air chamber 11, one end is connected to the oil quantity regulating valve through the connecting pipe 3, and the other end is connected to the oil pipe 7; the gas outlet 5, the gas inlet 10 is disposed at the top of the oil tank 1 and penetrates the air chamber 11; the gas inlet 10 is connected to the air chamber air tube 12, and the compressed gas in the air chamber air tube 12 enters the air chamber 11 through the gas inlet 10; the gas outlet 5 and the air tube 8 Connected, the liquid pipe 7 is disposed inside the gas outlet 5 and the gas pipe 8, and the gas in the gas chamber 11 enters the gas pipe 8 and the liquid pipe 7 through the gas outlet 5; the nozzle 6 is a double-layer mechanism, and the outer layer is connected with the gas pipe 8. The inner layer of the nozzle 6 is connected to the oil pipe 7; the oil tank gas inlet 15 is disposed on the side wall of the oil tank 1, and the oil tank gas pipe 13 is connected to the oil tank gas inlet 15 through the air pressure port 14, and the gas is adjusted by the gas pressure valve 14 to enter the inside of the oil tank 1.
本发明一种微量润滑系统， 具体包含： 油箱 la， 引液管 2a， 连接管 3a， 油 量调节闽 4a (用于控制油量）， 毛细管 5a， 喷嘴 6a (雾化润滑剂）， 收缩-扩散孔 7a, 油 -气管 8a， 油出口 9a， 气体入口 10a， 气腔 l la， 气腔气管 12a， 油箱气管 13a, 气压阀 14a (用于调整气体压力）， 油箱气体入口 15a。  The invention relates to a micro lubrication system, which specifically comprises: a fuel tank la, a liquid guiding tube 2a, a connecting tube 3a, an oil quantity adjusting unit 4a (for controlling the amount of oil), a capillary tube 5a, a nozzle 6a (atomizing lubricant), shrinking- The diffusion hole 7a, the oil-air pipe 8a, the oil outlet 9a, the gas inlet 10a, the gas chamber l la, the gas chamber gas pipe 12a, the oil tank gas pipe 13a, the gas pressure valve 14a (for adjusting the gas pressure), and the oil tank gas inlet 15a.
其中， 引液管 2a、连接管 3a、气腔 11a设置在油箱 la内部； 引液管 2a—端朝 油箱 la底部延伸， 另一端连接位于油箱顶部的油量调节阀 4a; 油出口 9a设置在 气腔 11a底部，一端通过连接管 3a与油量调节阀连接， 另一端连接毛细管 5a; 收 缩-扩散孔 7a、气体入口 10a设置在油箱 1的顶部，与气腔 11a贯通；气体入口 10a 连接所述的气腔气管 12a， 气腔气管 12a内的压缩气体经气体入口 10a进入气腔 11a内； 收缩-扩散孔 7a—端与毛细管 5a连接， 另一端与油 -气管 8a相连； 喷嘴 6a 与油 -气管 8a连接；油箱气体入口 15a设置在油箱 la侧壁上，油箱气管 13a通过气 压阀 14a与油箱气体入口 15a连接， 气体经气压阀 14a调节压力后进入油箱 la内 部。 Wherein, the liquid guiding tube 2a, the connecting tube 3a, and the air chamber 11a are disposed inside the oil tank la; the liquid guiding tube 2a is extended toward the bottom of the oil tank la, and the other end is connected to the oil amount adjusting valve 4a at the top of the oil tank; the oil outlet 9a is disposed at At the bottom of the air chamber 11a, one end is connected to the oil amount adjusting valve through the connecting pipe 3a, and the other end is connected to the capillary tube 5a ; the contraction-diffusion hole 7a, the gas inlet 10a is disposed at the top of the oil tank 1, and penetrates with the air chamber 11a; the gas inlet 10a is connected The air chamber trachea 12a, the compressed gas in the air chamber trachea 12a enters the air chamber 11a through the gas inlet 10a; the contraction-diffusion hole 7a-end is connected to the capillary 5a, and the other end is connected to the oil-gas tube 8a; the nozzle 6a and the oil The gas pipe 8a is connected; the tank gas inlet 15a is disposed on the side wall of the tank la, and the tank gas pipe 13a is connected to the tank gas inlet 15a through the gas pressure valve 14a, and the gas is regulated by the gas pressure valve 14a to enter the inside of the tank la.
本发明一种微量润滑系统， 其具体优点在于：  A micro lubrication system of the present invention has particular advantages in that:
( 1 )该微量润滑系统油箱内设置一个气腔，气腔内的气体直接进入气管至 喷嘴。 压缩气体并不进入油箱， 故油箱内的压力较小， 油量易于控制。  (1) An air chamber is arranged in the oil tank of the micro-lubrication system, and the gas in the air chamber directly enters the air tube to the nozzle. The compressed gas does not enter the tank, so the pressure inside the tank is small and the amount of oil is easy to control.
(2 )该微量润滑系统中， 油箱内的润滑油在气体压力下进入引液管， 并进 入油量调节阀以调整润滑油的使用量。 (3 )该微量润滑系统中，压缩空气经气压阀调整后进入油箱， 并将润滑油 压入导液管。 故气压阀也可调节润滑油使用量。 (2) In the micro-lubrication system, the lubricating oil in the oil tank enters the liquid guiding pipe under the gas pressure, and enters the oil quantity adjusting valve to adjust the amount of lubricating oil used. (3) In the micro-lubrication system, the compressed air is adjusted by the pneumatic valve and then enters the oil tank, and the lubricating oil is pressed into the liquid guiding tube. Therefore, the pneumatic valve can also adjust the amount of lubricant used.
(4)该微量润滑系统中， 油和压缩气体在喷嘴端部混合， 并被雾化为极微 小的雾粒， 这些雾粒直径小， 均匀度高。  (4) In the micro-lubrication system, oil and compressed gas are mixed at the end of the nozzle, and are atomized into extremely small mist particles, which are small in diameter and high in uniformity.
( 5 )该微量润滑系统提出了一种绿色制造的实用方法，是取代传统加工大 量使用切削液的有效途径。  (5) The micro-lubrication system proposes a practical method for green manufacturing, which is an effective way to replace the large amount of cutting fluid used in conventional processing.
(四） 附图说明 (4) Description of the drawings
图 1 本发明实施例一的主视图；  Figure 1 is a front view of a first embodiment of the present invention;
图 2本发明实施例一的俯视图；  Figure 2 is a plan view of the first embodiment of the present invention;
图 3本发明实施例一中的喷嘴视图;  Figure 3 is a view of a nozzle in the first embodiment of the present invention;
图 4本发明实施例二的主视图；  Figure 4 is a front view of the second embodiment of the present invention;
图 5本发明实施例二中的喷嘴视图。  Figure 5 is a view of the nozzle in the second embodiment of the present invention.
标号说明：  Label description:
1， la油箱； 2， 2a引液管；  1, la fuel tank; 2, 2a liquid guiding tube;
3， 3a连接管； 4， 4a油量调节阀；  3, 3a connecting pipe; 4, 4a oil regulating valve;
5 气体出口； 5a毛细管；  5 gas outlet; 5a capillary;
6， 6a喷嘴；  6, 6a nozzle;
7 油管； 7a收缩-扩散孔；  7 oil pipe; 7a shrinkage-diffusion hole;
8气管； 8a油-气管  8 trachea; 8a oil-trache
9, 9a油出口  9, 9a oil outlet
10， 10a气体入口； 11， 11a气腔；  10, 10a gas inlet; 11, 11a air chamber;
12， 12a气腔气管； 13， 13a油箱气管；  12, 12a air chamber trachea; 13, 13a tank gas tube;
14, 14a气压阀； 15， 15a油箱气体入口  14, 14a pneumatic valve; 15, 15a fuel tank gas inlet
(五） 具体实施方式 实施例一： (5) Specific implementation methods Embodiment 1:
请参见图 1-3， 本发明提出了一种微量润滑系统， 具体由油箱 1， 引液管 2， 连接管 3， 油量调节阀 4 (用于控制油量）， 气体出口 5， 喷嘴 6 (雾化润滑剂）， 油管 7， 气管 8， 油出口 9， 气体/ ^口 10， 气腔 11， 气腔气管 12， 油箱气管 13， 气 压阀 14 (用于调整气体压力）， 油箱气体入口 15组成。  Referring to Figures 1-3, the present invention proposes a micro-lubrication system, specifically by the oil tank 1, the liquid guiding tube 2, the connecting tube 3, the oil quantity regulating valve 4 (for controlling the amount of oil), the gas outlet 5, the nozzle 6 (Atomizing lubricant), Tubing 7, Gas pipe 8, Oil outlet 9, Gas / port 10, Air chamber 11, Air chamber tube 12, Tank tube 13, Gas valve 14 (for adjusting gas pressure), Tank gas inlet 15 composition.
引液管 2、 连接管 3、 气腔 11设置在油箱 1内部。 其中， 引液管 2与油量调节 阀 4连接， 连接管 3连接油量调节阀 4及油出口 9;  The liquid guiding tube 2, the connecting tube 3, and the air chamber 11 are disposed inside the oil tank 1. Wherein, the liquid guiding tube 2 is connected to the oil quantity regulating valve 4, and the connecting tube 3 is connected to the oil quantity regulating valve 4 and the oil outlet 9;
油出口 9设置在气腔 11底部， 油出口 9与连接管 3及油管 7连接；  The oil outlet 9 is disposed at the bottom of the air chamber 11, and the oil outlet 9 is connected to the connecting pipe 3 and the oil pipe 7;
油量调节阀 4、气体出口 5、气体入口 10设置在油箱 1顶部。其中， 油量调节 阀 4与引液管 2及连接管 3连接；气体出口 5与气管 8相连，液管 7设置在气体出口 5 及气管 8内侧， 且气腔 11内气体通过气体出口 5进入气管 8及液管 7的隔层内； 气 体入口 10连接气腔气管 12及气腔 11， 气腔气管 12内的压缩气体经气体入口 10进 入气腔 11内；  The oil amount adjusting valve 4, the gas outlet 5, and the gas inlet 10 are disposed at the top of the oil tank 1. The oil quantity adjusting valve 4 is connected to the liquid guiding tube 2 and the connecting tube 3; the gas outlet 5 is connected to the air tube 8, the liquid tube 7 is disposed inside the gas outlet 5 and the gas tube 8, and the gas in the air chamber 11 enters through the gas outlet 5 The gas tube 8 and the liquid tube 7 are in the compartment; the gas inlet 10 is connected to the air chamber air tube 12 and the air chamber 11, and the compressed gas in the air chamber air tube 12 enters the air chamber 11 through the gas inlet 10;
油箱气体入口 15设置在油箱 1侧壁上，油箱气管 13与气压阀 14相连，气体经 气压阀 14调节压力后进入油箱 1内部。  The tank gas inlet 15 is disposed on the side wall of the tank 1, and the tank gas pipe 13 is connected to the gas pressure valve 14, and the gas is adjusted to the pressure through the gas pressure valve 14 and then enters the inside of the fuel tank 1.
喷嘴 6为双层机构， 与气管 8及油管 7相连， 喷嘴 6外层与气管 8连接， 喷嘴 6 内层与油管 7连接；  The nozzle 6 is a double-layer mechanism, connected to the gas pipe 8 and the oil pipe 7, and the outer layer of the nozzle 6 is connected with the gas pipe 8, and the inner layer of the nozzle 6 is connected with the oil pipe 7;
由图 1 , 该微量润滑系统工作时， 压缩气体经油箱气管 13进入气压阀 14， 调 整合适压力后，压缩气体通过油箱气体入口 15进入油箱 1内部，在气体压力作用 下， 油箱内润滑油被压入引液管 2。  From Fig. 1, when the micro-lubrication system is in operation, the compressed gas enters the gas pressure valve 14 through the tank gas pipe 13, and after adjusting the appropriate pressure, the compressed gas enters the inside of the oil tank 1 through the gas inlet 15 of the oil tank, and under the action of the gas pressure, the lubricating oil in the oil tank is Press in the dip tube 2.
油量调节阀 4设置在油箱 1顶部，用于调整润滑油的使用量。引液管 2内润滑 油经油量调节阀 4调整流量后进入连接管 3。 连接管 3连接了油量调节阀 4及油管 7， 从而油在压缩气体压力作用下经油出口 9进入油管 7。  The oil quantity adjusting valve 4 is placed at the top of the tank 1 to adjust the amount of lubricating oil used. The oil in the liquid guiding tube 2 is adjusted by the oil quantity adjusting valve 4 and then enters the connecting pipe 3. The connecting pipe 3 is connected to the oil amount adjusting valve 4 and the oil pipe 7, so that the oil enters the oil pipe 7 through the oil outlet 9 under the pressure of the compressed gas.
气腔 11顶部设置有气体入口 10， 气腔气管 12内的压缩气体可通过气体入口 10进入气腔 11内部。 气腔内的压缩空气通过气体出口 5进入气管 8。  A gas inlet 10 is provided at the top of the gas chamber 11, and compressed gas in the gas chamber gas tube 12 can enter the interior of the gas chamber 11 through the gas inlet 10. The compressed air in the air chamber enters the air tube 8 through the gas outlet 5.
如图 1所示， 油管 7设置在气管 8内部。润滑油经油管 7进入喷嘴 6内层，压缩 气体经气管 8进入喷嘴 6外层，而且压缩气体和润滑油在喷嘴 6端部混合。在压力 作用下， 润滑油被充分雾化为细小且均匀的润滑油雾粒。 As shown in FIG. 1, the oil pipe 7 is disposed inside the air pipe 8. Lubricating oil enters the inner layer of the nozzle 6 through the oil pipe 7, and is compressed The gas enters the outer layer of the nozzle 6 through the gas pipe 8, and the compressed gas and the lubricating oil are mixed at the end of the nozzle 6. Under pressure, the lubricating oil is sufficiently atomized into fine and uniform lubricating oil mist particles.
如图 3，喷嘴 6为双层机构。气管 8内的气体进入喷嘴 6外层， 油管 7内的润滑 油进入喷嘴 6内层。 由于润滑油的使用量极小， 故在油管 7内的润滑油是不连续 的， 在喷嘴 6中心设置中心孔以使润滑油在孔内聚集成连续体。  As shown in Fig. 3, the nozzle 6 is a double layer mechanism. The gas in the gas pipe 8 enters the outer layer of the nozzle 6, and the lubricating oil in the oil pipe 7 enters the inner layer of the nozzle 6. Since the amount of lubricating oil used is extremely small, the lubricating oil in the oil pipe 7 is discontinuous, and a center hole is provided in the center of the nozzle 6 to cause the lubricating oil to aggregate into the continuous body in the hole.
实施例二：  Embodiment 2:
请参见图 4， 微量润滑系统实施例二由油箱 la， 引液管 2a， 连接管 3a， 油量 调节阀 4a, 毛细管 5a， 喷嘴 6a， 收缩-扩散孔 7a， 油-气管 8a， 油出口 9a， 气体 入口 10a，气腔 l la，气腔气管 12a，油箱气管 13a，气压阀 14a，油箱气体入口 15a 组成。  Referring to Fig. 4, the second embodiment of the micro lubrication system consists of a fuel tank la, a liquid guiding tube 2a, a connecting tube 3a, a fuel amount adjusting valve 4a, a capillary tube 5a, a nozzle 6a, a contraction-diffusion hole 7a, an oil-air tube 8a, and an oil outlet 9a. The gas inlet 10a, the air chamber l la, the air chamber air tube 12a, the tank air tube 13a, the air pressure valve 14a, and the oil tank gas inlet 15a are composed.
弓 I液管 2a、连接管 3a、气腔 11a设置在油箱 la内部。其中， 引液管 2a与油量 调节阀 4a连接， 连接管 3a连接油量调节阔 4a及毛细管 5a;  The bow I liquid pipe 2a, the connecting pipe 3a, and the air chamber 11a are disposed inside the tank la. Wherein, the liquid guiding tube 2a is connected to the oil quantity regulating valve 4a, and the connecting tube 3a is connected to the oil regulating width 4a and the capillary tube 5a;
油出口 9a设置在气腔 11a底部， 连接管 3a通过油出口 9a并与毛细管 5a相接； 油量调节阀 4a、 收缩-扩散孔 7a、 气体入口 10a、 毛细管 5a设置在油箱 la顶 部。其中，油量调节阀 4a与引液管 2a及连接管 3a连接；收缩-扩散孔 7a与气管 8a、 毛细管 5a相连， 且气腔 11a内气体经收缩-扩散孔 7a进入气管 8a; 气体入口 10a 连接气腔气管 12a及气腔 11a; 喷嘴 6a与气管 8a相连。  The oil outlet 9a is disposed at the bottom of the air chamber 11a, and the connecting pipe 3a passes through the oil outlet 9a and is in contact with the capillary 5a; the oil amount adjusting valve 4a, the contraction-diffusion hole 7a, the gas inlet 10a, and the capillary 5a are disposed at the top of the tank la. The oil quantity adjusting valve 4a is connected to the liquid guiding tube 2a and the connecting tube 3a; the contraction-diffusion hole 7a is connected to the air tube 8a and the capillary tube 5a, and the gas in the air chamber 11a enters the air tube 8a through the contraction-diffusion hole 7a; the gas inlet 10a The air chamber air tube 12a and the air chamber 11a are connected; the nozzle 6a is connected to the air tube 8a.
油箱气体入口 15a设置在油箱 la侧壁上，油箱气管 13a与气压阀 14a相连，气 体经气压阀 14a调节压力后进入油箱 la内部。  The tank gas inlet 15a is disposed on the side wall of the tank la, and the tank gas pipe 13a is connected to the gas pressure valve 14a, and the gas is regulated by the gas pressure valve 14a to enter the inside of the tank la.
压缩气体经油箱气管 13a进入气压阀 14a， 调整压力后， 压缩气体通过油箱 气体入口 15a进入油箱 la内部。在压缩气体的压力下，油箱 la内的润滑油被压入 引液管 2a。 油箱 la顶部设置油量调节闽以调整润滑油的流量。 连接管 3a连接油 量调节阀 4a及毛细管 5a。润滑油在油箱 la内压缩空气压力及收缩-扩散孔 7a的引 力作用下进入毛细管 5a。  The compressed gas enters the pneumatic valve 14a through the tank gas pipe 13a, and after the pressure is adjusted, the compressed gas enters the inside of the tank la through the tank gas inlet 15a. Under the pressure of the compressed gas, the lubricating oil in the tank la is pressed into the liquid guiding tube 2a. The fuel tank la top is provided with oil adjustment 闽 to adjust the flow rate of the lubricant. The connecting pipe 3a is connected to the oil amount adjusting valve 4a and the capillary 5a. The lubricating oil enters the capillary 5a under the action of the compression air pressure in the tank la and the contraction-diffusion hole 7a.
在气腔 11a顶部，气体入口 10a连接了气腔气管 12a及气腔 l la。气腔气管 12a 内的压缩气体可通过气体入口 10a进入气腔 11a。压缩气体经收缩-扩散孔 7a流入 油 -气管 8a, 毛细管 5a内的润滑油也进入油 -气管 8a并与压缩空气充分混合。 喷 嘴 6a设置在油-气管 8a末端， 用于将油雾化为微小油粒。 At the top of the air chamber 11a, the gas inlet 10a connects the air chamber air tube 12a and the air chamber l la. The compressed gas in the air chamber trachea 12a can enter the air chamber 11a through the gas inlet 10a. Compressed gas flows in through the contraction-diffusion hole 7a The oil-air pipe 8a, the lubricating oil in the capillary 5a also enters the oil-air pipe 8a and is sufficiently mixed with the compressed air. A nozzle 6a is provided at the end of the oil-air pipe 8a for atomizing the oil into minute oil particles.
综上， 本发明一种微量润滑系统中， 经气压阀调整压力后的压缩气体进入 油箱，并将油压入引液管。润滑油的流量可以由气压阀及油量调节阀共同控制。 喷嘴将具有合适流量的润滑油及压缩气体的混合物雾化为细小均匀的油雾。 此 外， 本发明一种微量润滑系统得到的油雾粒经细小均匀， 喷射时具有很高的速 度， 可以作为微量润滑切削过程中润滑油供给。  In summary, in a micro-lubrication system of the present invention, the compressed gas after the pressure is adjusted by the pneumatic valve enters the oil tank and pressurizes the oil into the liquid guiding tube. The flow rate of the lubricating oil can be jointly controlled by the pneumatic valve and the oil quantity regulating valve. The nozzle atomizes a mixture of lubricating oil and compressed gas having a suitable flow rate into a fine, uniform oil mist. In addition, the oil mist particles obtained by the micro-lubrication system of the present invention are fine and uniform, and have a high speed when sprayed, and can be used as a lubricating oil supply during the micro-lubrication cutting process.

Claims

权 利 要 求 书 Claim
1、 一种微量润滑系统， 其特征在于： 具体包含： 油箱（1)， 引液管 （2)， 连接管（3)， 油量调节阀（4)， 气体出口（5)， 喷嘴（6)， 油管（7)， 气管（8)， 油出口 （9)， 气体入口 （10)， 气腔 （11)， 气腔气管 （12)， 油箱气管 （13)， 气压阀 （14)， 油箱气体入口 （15); 1. A micro-lubrication system, characterized in that it comprises: a fuel tank (1), a liquid guiding pipe (2), a connecting pipe (3), a fuel quantity regulating valve (4), a gas outlet (5), a nozzle (6) ), tubing (7), trachea (8), oil outlet (9), gas inlet (10), air chamber (11), air chamber air tube (12), fuel tank air tube (13), pneumatic valve (14), fuel tank Gas inlet (15);
其中， 引液管（2)、 连接管（3)、 气腔（11)设置在油箱（1) 内部； 引液 管（2)—端朝油箱（1)底部延伸，另一端连接位于油箱顶部的油量调节阀（4); 油出口 （9)设置在气腔（11)底部， 一端通过连接管（3)与油量调节阀连接， 另一端连接油管（7); 气体出口（5)、气体入口（10)设置在油箱（1)的顶部， 与气腔（11)贯通； 气体入口（10)连接所述的气腔气管（12)， 气腔气管（12) 内的压縮气体经气体入口 （10)进入气腔（11) 内； 气体出口 （5)与气管（8) 相连， 液管（7)设置在气体出口 （5)及气管（8) 内侧， 且气腔（11) 内气体 通过气体出口 （5)进入气管 （8)及液管 （7) 的隔层内； 喷嘴 （6) 为双层机 构，外层与气管（8)连接，喷嘴（6)内层与油管（7)连接；油箱气体入口（15) 设置在油箱（ 1 )侧壁上，油箱气管（ 13)通过气压阀（ 14)与油箱气体入口（ 15) 连接， 气体经气压阀 （14) 调节压力后进入油箱（1) 内部。  Wherein, the liquid guiding tube (2), the connecting tube (3), and the air chamber (11) are disposed inside the oil tank (1); the liquid guiding tube (2) is extended toward the bottom of the oil tank (1), and the other end is connected at the top of the oil tank The oil regulating valve (4); the oil outlet (9) is arranged at the bottom of the air chamber (11), one end is connected to the oil quantity regulating valve through the connecting pipe (3), and the other end is connected to the oil pipe (7); the gas outlet (5) The gas inlet (10) is disposed at the top of the oil tank (1) and penetrates the air chamber (11); the gas inlet (10) connects the air chamber gas tube (12), and the compressed gas in the air chamber gas tube (12) The gas inlet (10) enters the air chamber (11); the gas outlet (5) is connected to the air tube (8), and the liquid tube (7) is disposed inside the gas outlet (5) and the gas tube (8), and the air chamber (11) The internal gas enters the gas pipe (8) and the liquid pipe (7) through the gas outlet (5); the nozzle (6) is a double-layer mechanism, the outer layer is connected with the gas pipe (8), and the inner layer of the nozzle (6) is The oil pipe (7) is connected; the fuel tank gas inlet (15) is disposed on the side wall of the oil tank (1), and the fuel tank gas pipe (13) is connected to the fuel tank gas inlet (15) through the pneumatic valve (14) Then, the gas is adjusted to the pressure through the pneumatic valve (14) and enters the inside of the tank (1).
2、一种微量润滑系统， 其特征在于： 具体包含： 油箱（la)， 引液管（2a)， 连接管 (3a), 油量调节阀 (4a), 毛细管 (5a),喷嘴 (6a), 收缩-扩散孔 (7a), 油-气管 （8a)， 油出口 （9a)， 气体入口 （10a)， 气腔 （lla)， 气腔气管 12a， 油箱气管 （13a)， 气压阀 （14a)， 油箱气体入口 （15a); 2. A micro-lubrication system, characterized in that: specifically: a fuel tank (la), a liquid guiding tube (2a), a connecting tube (3a), a fuel quantity regulating valve (4a), a capillary tube (5a), a nozzle (6a) , Shrink-diffusion hole (7a), oil-air pipe (8a), oil outlet (9a), gas inlet (10a), air chamber (lla), air chamber gas pipe 12a, fuel tank gas pipe (13a), pneumatic valve (14a) , tank gas inlet (15a);
其中， 引液管（2a)、 连接管（3a)、 气腔（11a)设置在油箱（la)内部； 引 液管 （2a)—端朝油箱（la)底部延伸， 另一端连接位于油箱顶部的油量调节 阀 （4a); 油出口 （9a) 设置在气腔 （11a)底部， 一端通过连接管 （3a) 与油 量调节阀连接， 另一端连接毛细管（5a); 收缩二扩散孔（7a)、 气体入口 （10a) 设置在油箱（la) 的顶部， 与气腔 （11a) 贯通； 气体入口 （10a)连接所述的 气腔气管 （12a)， 气腔气管 （12a) 内的压缩气体经气体入口 （10a)进入气腔 ( 11a)内；收缩-扩散孔（7a)—端与毛细管（5a)连接，另一端与油-气管（8a) 相连； 喷嘴（6a)与油-气管（8a)连接； 油箱气体入口（15a)设置在油箱（la) 侧壁上， 油箱气管（13a)通过气压阀（14a)与油箱气体入口 （15a)连接， 气体 经气压阀 （14a) 调节压力后进入油箱（la) 内部。 Wherein, the liquid guiding tube (2a), the connecting tube (3a), and the air chamber (11a) are disposed inside the oil tank (la); the liquid guiding tube (2a) is extended toward the bottom of the oil tank (la), and the other end is connected at the top of the oil tank The oil regulating valve (4a); the oil outlet (9a) is arranged at the bottom of the air chamber (11a), one end is connected to the oil quantity adjusting valve through the connecting pipe (3a), the other end is connected to the capillary tube (5a) , and the second diffusing hole is contracted ( 7a), gas inlet (10a) It is disposed at the top of the oil tank (la) and penetrates with the air chamber (11a); the gas inlet (10a) is connected to the air chamber air tube (12a), and the compressed gas in the air chamber air tube (12a) enters through the gas inlet (10a). Inside the air chamber (11a); the contraction-diffusion hole (7a) is connected to the capillary (5a), the other end is connected to the oil-air tube (8a); the nozzle (6a) is connected to the oil-air tube (8a); the tank gas inlet (15a) is disposed on the side wall of the fuel tank (la), and the fuel tank gas pipe (13a) is connected to the tank gas inlet (15a) through the gas pressure valve (14a), and the gas is regulated by the gas pressure valve (14a) to enter the inside of the oil tank (la).
g g
PCT/CN2009/000799 2009-07-16 2009-07-16 A micro-lubrication system WO2011006280A1 (en)

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US9803801B2 (en) 2015-08-05 2017-10-31 Caterpillar Inc. Cooled minimum quantity lubrication for machining
CN110090973A (en) * 2019-05-31 2019-08-06 青岛理工大学 The turning process system that outer cold texture lathe tool component and nano-fluid micro lubricating are coupled with micro- texture cutter
CN110293444A (en) * 2019-07-20 2019-10-01 成都飞机工业（集团）有限责任公司 A kind of non-pump type micro lubricating equipment

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