CN215088118U - Direction adjustable secondary atomizing nozzle - Google Patents
Direction adjustable secondary atomizing nozzle Download PDFInfo
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- CN215088118U CN215088118U CN202120579164.XU CN202120579164U CN215088118U CN 215088118 U CN215088118 U CN 215088118U CN 202120579164 U CN202120579164 U CN 202120579164U CN 215088118 U CN215088118 U CN 215088118U
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Abstract
The utility model relates to a direction-adjustable secondary atomizing nozzle, which comprises a nozzle and a secondary atomizing mechanism, wherein the nozzle comprises a gas-liquid conveying concentric pipeline, a quick air plug joint, an upper ball head locking nut, an oil outlet pipeline plug joint, an oil outlet pipeline, a spherical joint, a lower ball head locking nut, a gasket and an air cap, the quick air plug joint and the oil outlet pipeline plug joint are respectively in threaded connection with the front end and the rear end of the ball head locking nut, the rear end of an inner pipe of the gas-liquid conveying concentric pipeline is respectively in inserted connection with the quick air plug joint, the ball head locking nut, the oil outlet pipeline plug joint and the oil outlet pipeline, and the secondary atomizing mechanism at the rear end of the oil outlet pipeline comprises a gas circuit, an oil circuit and an atomizing area, the utility model has compact structure, simple and convenient operation, high integration level, convenient adjustment and convenient installation, the diameter of the generated oil mist particles is small, the consistency is good, and the permeability to a processing interface is strong, and has wider spraying range, which is beneficial to cooling the processing area.
Description
Technical Field
The utility model discloses atomizing nozzle field, concretely relates to direction adjustable secondary atomizing nozzle.
Background
With the development of economy, the annual production and retention of machine tools in China are gradually increased. The machine tool can not be cooled and lubricated. The traditional pouring type lubrication can ensure the performance of a machine tool and simultaneously use a large amount of cutting fluid. The recovery treatment of a large amount of cutting fluid increases the production cost and also causes certain environmental pressure. Under the requirement of 'Chinese manufacturing 2025', energy conservation and emission reduction become one of the development directions of the future manufacturing industry, and the 'Chinese green manufacturing action guide' designed by the Ministry of industry and communications indicates that: a new cutting process technology should be vigorously developed to reduce the discharge of cutting fluid. The micro-lubrication technology is just the novel green processing technology.
With the continuous development and upgrade of the micro-lubricating technology, the working conditions are more and more complicated. For a machine tool using an external cooling mode, the size and the spray angle of spray particles are key factors influencing the service life of a cutter, the surface quality of a workpiece and the like, and the two indexes of the size and the spray angle of the spray particles are closely related to the structure of a nozzle. At present, most of the nozzles used on external cooling minimal quantity lubrication equipment are simple two-phase flow nozzles which are mainly divided into an external mixing type and an internal mixing type, but the spray granularity of the nozzles is larger and is more than 30 mu m; as for the installation mode, a bamboo joint pipe or a metal universal hose is mostly adopted, the injection angle can be adjusted in a certain range by the two installation and fixing modes, but the curvature is small in bending, namely, when the installation mode is used for processing at a narrow space, the installation mode is not flexible enough, the installation mode is easy to interfere with a workpiece, and the ideal injection angle is difficult to achieve by adjusting the directions of the bamboo joint pipe and the metal universal hose. To solve the two problems mentioned above: atomized particles are too large, and oil mist particles cannot fully permeate a processing interface; secondly, the nozzle can not reach an ideal spraying angle in a narrow space. A secondary atomizing nozzle is designed at present and has a universal adjustable function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a direction adjustable secondary atomizing nozzle.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a secondary atomizing nozzle with adjustable direction comprises a nozzle and a secondary atomizing mechanism, wherein the nozzle comprises a gas-liquid conveying concentric pipeline, an air quick-insertion joint, an upper ball head locking nut, an oil outlet pipeline plug, an oil outlet pipeline, a spherical joint, a lower ball head locking nut, a washer and an air cap, the air quick-insertion joint and the oil outlet pipeline plug are respectively in threaded connection with the front end and the rear end of the ball head locking nut, the rear end of an inner pipe of the gas-liquid conveying concentric pipeline is in inserted connection with the oil outlet pipeline through the air quick-insertion joint, the upper ball head locking nut, the oil outlet pipeline plug and the oil outlet pipeline respectively, and the rear end of the oil outlet pipeline is an oil outlet;
the secondary atomization mechanism comprises a gas circuit, a oil circuit and an atomization area, the gas circuit mainly comprises a concentric tube outer tube, an air quick-connection connector inner hole, a ball head locking nut upper inner hole, an oil outlet pipeline air vent, a spherical joint air hole, an air distribution chamber and an air distribution hole, the oil circuit mainly comprises a concentric tube inner tube and an oil outlet pipeline inner channel, and the atomization area mainly comprises a primary atomization hole, an air distribution hole, a vortex chamber and a secondary atomization hole.
Preferably, the inner diameter of an oil outlet at the rear end of the oil outlet pipeline is set to be D51, the outer diameter of the oil outlet pipeline is D52, the chamfer angle is not less than 5 degrees and not more than 10 degrees at the outlet, air can break lubricating oil at the outlet at a high speed, an annular boss with the outer diameter of D53 is fixed at the section D64 of the step hole of the spherical joint in the middle of the oil outlet pipeline, the uniformity of a gap between D52 and D65 is guaranteed, the requirement that D63-D53 is not more than 0.02mm is met, four air holes with the diameter of D54 are arranged around the boss, compressed air can conveniently pass through the boss, the lubricating oil is atomized, and the diameter of each air hole is not less than 1.2mm and not more than D54 and not more than 2 mm.
Preferably, the ball head of the spherical joint is tightly held by the ball head locking nut and the ball head locking nut, so that the spherical joint rotates within a range of an angle +/-theta, the spraying angle is convenient to adjust, the radius of the ball head is set to be R, the hexagonal opposite side of the spherical joint is set to be S, the axial distance between the ball head locking nut and the ball head center is set to be L, the rotating angle is that theta is pi/2- [ arcsin (L/R) + arcsin (1.157S/R) ] S is larger than or equal to D2+2R (1+ S)/2, five sections of stepped holes are arranged in the spherical joint, the sections D61, D62, D63, D64 and D65 are sequentially arranged, the section D62 is a threaded hole, an oil outlet pipeline plug is convenient to install, a boss of a jacking pipeline is used for installing an oil outlet, the concentricity between D52 and D65 is ensured, the section D64 is an air chamber, the section D3 is a primary atomizing channel, and a certain negative pressure air flow is formed by a high-speed air flow passing through a gap between D52 and D4673784, lubricating oil is sucked into the primary atomizing channel and is crushed, the diameter of crushed particles is larger, and four secondary atomizing air flow channels with the diameter of 0.8-1.0 mm are distributed around the D65 section.
Preferably, the air cap is internally provided with a taper hole with the taper of 1:2, primary atomized particles passing through D65 are mixed with a second air flow to form a vortex in the taper hole, the particles are further atomized through a secondary atomization channel, the diameter of the formed particles is below 30 micrometers, the secondary atomization channel is provided with three holes with the diameter of 0.8-1.2 mm, the included angle between the upper hole and the lower hole is 30 degrees, the injection area is increased, the axial extension of the nozzle is taken as an origin O, and the distance from the nozzle to the injection plane is k, so that the injection area is in the following elliptical area: { x2/[2ktan (ω/2+ π/12) +5]2+ y2/(ktan ω)2 ═ 10.1 π ≦ ω ≦ 0.13 π }.
Preferably, the gas circuit working mode is that compressed air enters the nozzle through the concentric tube outer tube, sequentially passes through an inner hole of the air quick-connection plug, an inner hole of the ball head locking nut, the air hole of the spherical joint and the air hole of the oil outlet pipeline, enters the air distribution chamber, the air entering the air distribution chamber is divided into two parts, one part enters the air distribution hole, and power for crushing liquid is provided for primary atomization and secondary atomization of lubricating oil.
Preferably, the oil circuit works in a mode that low-pressure lubricating oil provided by a pneumatic injection pump or a metering pump flows into the channel in the oil outlet pipeline through the inner pipe of the concentric pipe.
Preferably, the atomization area comprises a primary atomization area and a secondary atomization area, and the primary atomization area is: after the compressed air is in the air-separating chamber, one air flow passes through a gap between D52 and D65, lubricating oil drops ejected from a channel in the oil outlet pipeline are crushed into liquid particles with the diameter of about 30 mu m and are sprayed to the vortex chamber at a certain speed, and the secondary atomization area: after the compressed air is in the air distribution chamber, one air flow enters the vortex chamber through the air distribution holes to disturb the oil mist particles which are atomized at the first time, the oil mist particles are further crushed into oil mist particles with the average diameter of 18 mu m in the three secondary atomization holes, and the oil mist particles are sprayed out in an elliptical spray area.
Preferably, the air quick-plug connector, the ball head locking nut upper part, the oil outlet pipeline plug, the oil outlet pipeline, the spherical joint, the ball head locking nut lower part and the air cap are all made of corrosion-resistant stainless steel materials.
Preferably, the gas-liquid conveying concentric pipeline is made of nylon (PA) materials which have good flexibility and are convenient to bend and install, and the pressure resistance of 1.5Mpa is guaranteed, and the difference between the outer diameters of the inner pipeline and the outer pipeline of the gas-liquid conveying concentric pipeline is larger than or equal to 4 mm.
Preferably, the gasket is made of a fluororubber material having excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance.
Has the advantages that:
1. the structure is compact, the operation is simple and convenient, the integration level is high, the adjustment is convenient, and the installation is convenient;
2. the generated oil mist particles have smaller diameter and good consistency, have strong permeability to a processing interface, have wider spraying range and contribute to cooling of a processing area.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a nozzle assembly according to the present invention;
FIG. 2 is a schematic view of a nozzle component according to the present invention;
FIG. 3 is a view of the internal passages of the nozzle according to the present invention;
FIG. 4 is an enlarged view of the oil outlet conduit of the present invention;
fig. 5 is an enlarged view of the ball joint according to the present invention;
fig. 6 is a schematic view of the nozzle rotation angle according to the present invention;
the reference numbers in the drawings are as follows:
1. the oil-gas conveying concentric pipeline comprises a gas-liquid conveying concentric pipeline, 2, an air quick-connection-peg, 3, ball head locking nuts, 4, an oil outlet plug, 5, an oil outlet pipeline, 6, a spherical joint, 7, the lower part of the ball head locking nuts, 8, a gasket, 9, an air cap, 101, an inner pipe of the concentric pipe, 102, an outer pipe of the concentric pipe, 201, an inner hole of the air quick-connection-peg, 301, an inner hole of the ball head locking nuts, 501, an inner channel of the oil outlet pipeline, 504, an air vent of the oil outlet pipeline, 601, an air hole of the spherical joint, 604, an air distributing chamber, 605, a primary atomizing hole, 606, an air distributing hole, 901, a vortex chamber, 902 and a secondary atomizing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-6, the utility model relates to a direction adjustable secondary atomizing nozzle, including nozzle, secondary atomizing mechanism, the nozzle includes gas-liquid transport concentric pipe 1, air quick connector 2, ball head lock nut is last 3, oil-out pipeline end cap 4, oil-out pipeline 5, spherical joint 6, ball head lock nut is lower 7, packing ring 8, air cap 9, air quick connector 2, oil-out pipeline end cap 4 respectively with 3 front and back both ends threaded connection on the ball head lock nut, the inner tube rear end of gas-liquid transport concentric pipe 1 is through running through air quick connector 2, ball head lock nut is last 3, oil-out pipeline end cap 4 and oil-out pipeline 5 grafting intercommunication respectively, and oil-out pipeline 5 rear end is the oil-out;
the secondary atomization mechanism comprises an air path, an oil path and an atomization area, the air path mainly comprises a concentric tube outer tube 102, an air quick connector inner hole 201, a ball head locking nut upper inner hole 301, an oil outlet pipeline vent hole 504, a spherical joint air hole 601, an air distribution chamber 604 and an air distribution hole 606, the oil path mainly comprises a concentric tube inner tube 101 and an oil outlet pipeline inner channel 501, and the atomization area mainly comprises a primary atomization hole 605, an air distribution hole 606, a vortex chamber 901 and a secondary atomization hole 902.
One specific application of this embodiment is: when the direction-adjustable secondary atomizing nozzle is used, the inner diameter of an oil outlet at the rear end of an oil outlet pipeline 5 is set to be D51, the outer diameter of the oil outlet is D52, the chamfer angle is more than or equal to 5 degrees and less than or equal to 10 degrees at an outlet, air can break lubricating oil at the outlet at a high speed, an annular boss with the outer diameter of D53 is fixed at the D64 section of a stepped hole of a spherical joint 6 at the middle part of the oil outlet pipeline 5 to ensure the uniformity of a gap between D52 and D65 and meet the requirements that D63-D53 are less than or equal to 0.02mm, four air holes with the diameter of D54 are arranged around the boss to facilitate the passing of compressed air and atomizing the lubricating oil, the diameter of each air hole meets the requirements that D54 is more than or equal to 1.2mm and the ball head position of the spherical joint 6 is tightly held by a ball head locking nut upper 3 and a lower ball head locking nut 7, so that the spherical joint 6 rotates within the range of an angle +/-theta, the spraying angle is conveniently adjusted, the radius of the ball head is set to be R, and the hexagonal opposite side of the spherical joint 6 is S, the axial distance between the lower ball head locking nut 7 and the ball head center is L, the rotation angle is that theta is pi/2- [ arcsin (L/R) + arcsin (1.157S/R) ] S is larger than or equal to D2+2R (1+ S)/2, five stages of holes are arranged in the spherical joint, the five stages are D61, D62, D63, D64 and D65 sections in sequence, the D62 section is a threaded hole, an oil outlet pipeline plug 4 is conveniently installed, a boss of an oil outlet pipeline 5 is tightly pressed against the top, the D63 section is used for installing the oil outlet pipeline 5 to ensure the concentricity between D52 and D65, the D64 section is an air chamber, the D65 section is a primary atomizing channel, a certain negative pressure is formed at the oil outlet by high-speed air flow passing through a gap between D52 and D65, lubricating oil is sucked into the primary atomizing channel and crushed, the diameter of crushed particles is larger, and four secondary atomizing flow channels with the diameter of 0.8-1.0 mm are distributed around the D65 section, the air cap 9 is internally provided with a taper hole with the taper of 1:2, primary atomized particles passing through D65 are mixed with a second air flow, a vortex is formed in the taper hole, the particles are further atomized through a secondary atomization channel, the diameter of the formed particles is below 30 micrometers, the secondary atomization channel is provided with three holes with the diameter of 0.8-1.2 mm, the included angle between the upper hole and the lower hole is 30 degrees, the injection area is increased, the axial extension of the nozzle is taken as an original point O, and the distance from the nozzle to the injection plane is k, so that the injection area is in the following elliptical area: { x2/[2ktan (ω/2+ pi/12) +5]2+ y2/(ktan ω)2 ═ 10.1 pi ≤ ω ≤ and 0.13 pi }, compressed air enters the nozzle through the concentric tube outer tube 102, sequentially passes through the air quick-insertion joint inner hole 201, the ball head locking nut upper inner hole 301, the spherical joint air hole 601, and the oil outlet pipeline air hole 504, enters the air distribution chamber 604, and the air entering the air distribution chamber is divided into two streams, one of which enters the air distribution hole 606 to provide power for liquid crushing for the primary atomization and the secondary atomization of lubricating oil, and an oil path working mode is that low-pressure lubricating oil provided by a pneumatic injection pump or a metering pump flows into the oil outlet pipeline inner channel 501 through the concentric tube inner tube 101, wherein the atomization region comprises a primary atomization region, a secondary atomization region, and a primary atomization region: after the compressed air is in the air-separating chamber 604, one of the air flows passes through the gap between D52 and D65, and the lubricating oil drops ejected from the channel 501 in the oil outlet pipeline are broken into liquid particles with the diameter of about 30 μm, and are ejected to the swirl chamber 901 at a certain speed, and the secondary atomization area: after the compressed air flows into the swirl chamber through the air distributing holes 606 after the air distributing chamber 604, one air flow disturbs the oil mist particles which are atomized at the first time, and the oil mist particles are further broken into oil mist particles with the average diameter of 18 mu m in the three secondary atomizing holes 902 and are sprayed out in an elliptical spraying area.
In the description herein, references to the description of the terms "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed, and obviously many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a direction adjustable secondary atomizing nozzle, includes nozzle, secondary atomizing mechanism, its characterized in that: the nozzle comprises a gas-liquid conveying concentric pipeline (1), an air quick-insertion joint (2), a ball head locking nut upper part (3), an oil outlet pipeline plug (4), an oil outlet pipeline (5), a spherical joint (6), a ball head locking nut lower part (7), a gasket (8) and an air cap (9), wherein the air quick-insertion joint (2) and the oil outlet pipeline plug (4) are respectively in threaded connection with the front end and the rear end of the ball head locking nut upper part (3), the rear end of an inner pipe of the gas-liquid conveying concentric pipeline (1) is respectively in inserted connection and communication with the air quick-insertion joint (2), the ball head locking nut upper part (3), the oil outlet pipeline plug (4) and the oil outlet pipeline (5), and the rear end of the oil outlet pipeline (5) is an oil outlet;
the secondary atomization mechanism comprises a gas path, a gas path and an atomization area, the gas path mainly comprises a concentric tube outer tube (102), an air quick-plug connector inner hole (201), a ball head locking nut upper inner hole (301), an oil outlet pipeline vent hole (504), a spherical joint air hole (601), a gas distribution chamber (604) and a gas distribution hole (606), the gas path mainly comprises a concentric tube inner tube (101) and an oil outlet pipeline inner channel (501), and the atomization area mainly comprises a primary atomization hole (605), a gas distribution hole (606), a vortex chamber (901) and a secondary atomization hole (902).
2. The secondary atomizing nozzle of claim 1, wherein: the inner diameter of the oil outlet at the rear end of the oil outlet pipeline (5) is set to be D51Outer diameter of D52And the chamfer angle is more than or equal to 5 degrees and less than or equal to 10 degrees at the outlet, so that the air can crush the lubricating oil at the outlet at a high speed, and the middle part of the oil outlet pipeline (5) adopts a pipe with the outer diameter D53The annular boss is fixed in a step hole D of the spherical joint (6)64Segment, guarantee D52And D65The uniformity of the gap between the two layers satisfies D63–D53Less than or equal to 0.02mm, four bosses with the diameter D54The air holes are convenient for compressed air to pass through and atomize lubricating oil, and the diameter of the air holes satisfies that D is more than or equal to 1.2mm54≤2mm。
3. The secondary atomizing nozzle of claim 1, wherein: the ball head position of the spherical joint (6) is held tightly by the ball head locking nut upper part (3) and the ball head locking nut lower part (7), so that the spherical joint (6) rotates within the range of the angle +/-theta.
4. The secondary atomizing nozzle of claim 1, wherein: the air cap (9) is internally provided with a taper hole with the taper of 1: 2.
5. The secondary atomizing nozzle of claim 1, wherein: the atomizing area comprises a primary atomizing area and a secondary atomizing area, wherein the primary atomizing area: after the compressed air is in the air distribution chamber (604), one air flow passes through a gap between D52 and D65, lubricating oil drops ejected from the oil outlet pipeline inner channel (501) are crushed into liquid particles with the diameter of about 30 mu m, and the liquid particles are ejected to the vortex chamber (901) at a certain speed, and the secondary atomization area: after the compressed air is in the air distribution chamber (604), one air flow enters the vortex chamber through the air distribution holes (606), the oil mist particles which are atomized at the first time are disturbed, the oil mist particles are further crushed into oil mist particles with the average diameter of 18 mu m in the three secondary atomization holes (902), and the oil mist particles are sprayed out in an elliptical spray area.
6. The secondary atomizing nozzle of claim 1, wherein: the air quick-plugging joint (2), the ball head locking nut upper part (3), the oil outlet pipeline plug (4), the oil outlet pipeline (5), the spherical joint (6), the ball head locking nut lower part (7) and the air cap (9) are all made of corrosion-resistant stainless steel materials.
7. The secondary atomizing nozzle of claim 1, wherein: the gas-liquid conveying concentric pipeline (1) is made of nylon (PA) materials which have good flexibility and are convenient to bend and install, and the pressure resistance of 1.5Mpa is guaranteed, and the outer diameter difference of the inner pipeline and the outer pipeline of the gas-liquid conveying concentric pipeline (1) is larger than or equal to 4 mm.
8. The secondary atomizing nozzle of claim 1, wherein: the gasket (8) is made of a fluororubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579164.XU CN215088118U (en) | 2021-03-22 | 2021-03-22 | Direction adjustable secondary atomizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579164.XU CN215088118U (en) | 2021-03-22 | 2021-03-22 | Direction adjustable secondary atomizing nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN215088118U true CN215088118U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120579164.XU Active CN215088118U (en) | 2021-03-22 | 2021-03-22 | Direction adjustable secondary atomizing nozzle |
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| CN (1) | CN215088118U (en) |
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2021
- 2021-03-22 CN CN202120579164.XU patent/CN215088118U/en active Active
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