CN103521368B - A kind of nested type energy-conserving spray nozzle and comprise the nozzle system of this nozzle - Google Patents

A kind of nested type energy-conserving spray nozzle and comprise the nozzle system of this nozzle Download PDF

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Publication number
CN103521368B
CN103521368B CN201310446946.6A CN201310446946A CN103521368B CN 103521368 B CN103521368 B CN 103521368B CN 201310446946 A CN201310446946 A CN 201310446946A CN 103521368 B CN103521368 B CN 103521368B
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China
Prior art keywords
nozzle
nested
type energy
gas
angle
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CN201310446946.6A
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Chinese (zh)
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CN103521368A (en
Inventor
李刚
张乃庆
吴启东
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上海金兆节能科技有限公司
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Priority to CN201310446946.6A priority Critical patent/CN103521368B/en
Publication of CN103521368A publication Critical patent/CN103521368A/en
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Publication of CN103521368B publication Critical patent/CN103521368B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/02Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
    • B05B1/06Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in annular, tubular or hollow conical form
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/06Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/066Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
    • B05B7/067Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet the liquid outlet being annular

Abstract

The invention provides a kind of embedded nozzle, comprise nozzle body and nested rings, it is characterized in that, nozzle body comprises head, middle part and bottom; The head of nozzle body is cone, and top is provided with spray-hole; The middle part of nozzle body is cylinder, and cylinder is provided with at least two pores uniformly; The bottom of nozzle body is helicitic texture; The formation interstitial structure that the middle part of nested rings and nozzle body matches; Wherein, the inside of nozzle body is provided with the inner cavity chamber that a top is cone; The top of inner cavity chamber also has a fluid passage communicated with spray-hole.Nozzle provided by the present invention is installed on after in metal working lubricant device, achieves spot lubrication, solve gas in existing novel metal Near dry machining lubrication and expend large problem, saved power supply simultaneously, and had the advantages that to save lubricating oil and more environmental protection.

Description

A kind of nested type energy-conserving spray nozzle and comprise the nozzle system of this nozzle

Technical field

The present invention relates to a kind of spray nozzle device, particularly a kind of nested type energy-conserving spray nozzle and comprise the nozzle system of this nozzle.

Background technology

In conventional machine manufacture field, intermetallic composite coating is usually directed to the process that cutting, polishing, boring, tapping, bending etc. easily cause workpiece steep temperature rise, and this kind of processing needs the CONTACT WITH FRICTION between workpiece, usually should carry out in good time lubricated.

At present, existing metal working lubricant and cooling adopt cooling agent, emulsion more or cut wet goods lubricant, the lubricant of these kinds is sprayed at working position in a large number when intermetallic composite coating, the mode of uninterrupted shower is normally taked to carry out, the position of Cooling and Lubricator is not needed to carry out same Cooling and Lubricator yet at other like this, cause cooling medium consumption large, cause waste, and contaminated environment.In recent years very large progress is obtained to the research of Minimal Quantity Lubrication Technology, decrease the harm that a large amount of discharge of cutting fluid causes environment, but the problem that often cools in a lot of process is difficult to effective solution, also has the chip that minimum quantity lubrication device produces due to the heat that mainly uses compressed air to take away to produce because of friction and processing, air use amount is large, if a job shop uses overlap minimum quantity lubrication device more, often need to increase source of the gas, thus make the rising of equipment and power cost.Minimum quantity lubrication device is owing to using compressed air to be power simultaneously, often makes ejection lubricant be atomized serious, affects the healthy of workman and environment.

Summary of the invention

In view of above defect, the object of the invention is to overcome above-mentioned deficiency, a kind of nested type energy-conserving spray nozzle is provided.Nested type energy-conserving spray nozzle simplicity of design involved in the present invention, be applicable to multiple lubricant and be used in the lubricating arrangement of intermetallic composite coating.

For achieving the above object, present invention employs following structure.

The invention provides nested type energy-conserving spray nozzle, comprise nozzle body and nested rings, it is characterized in that,

Nozzle body comprises head, middle part and bottom;

The head of nozzle body is cone, and top is provided with spray-hole;

The size of spray-hole adjusts according to actual needs.

The middle part of nozzle body is cylinder, and cylinder is provided with at least two pores uniformly;

For ensureing the even outflow of gas and considering the uniform force of nested rings, often adopt and four faces are arranged respectively symmetrical pore all around.

It should be noted that this cylinder and above-mentioned cone should be processed into smooth without joint surface.Angle of inclination between this cylinder and cone is 15 °-30 °.

The bottom of nozzle body is helicitic texture;

This helicitic texture in use, for this shower nozzle being fixed on the lubricating arrangement for intermetallic composite coating.

This helicitic texture is generally internal thread, and the profile bottom nozzle body is the hexagonal prism that external diameter is greater than in the middle part of body, and the internal structure of its opposite position is helicitic texture.

External diameter due to bottom is greater than the external diameter in the middle part of body, and therefore, in appearance, the bottom of nozzle body and the intersection at middle part form an object disposing platform.

The formation interstitial structure that the middle part of nested rings and nozzle body matches;

In general, the length of nested rings is not more than the middle part of nozzle body, can hide pore completely.

This nested rings is preferably contour with the middle part of nozzle body.

When nested rings and nozzle body install, after agreeing with completely, the bottom of nested rings caters on above-mentioned object disposing platform closely, forms the environment of a lower end sealing.

Upper end due to nested rings is opening shape, after nested rings and nozzle body install, thus a lower end sealing is defined, the interstitial structure in gap in the form of a ring, upper end, due to the existence of this interstitial structure, when nozzle body inside is full of Compressed Gas, Compressed Gas flows in the gap of nested rings and nozzle body by the pore on nozzle body surface, compressed air accelerates in annular channel, blow out from nozzle ring at a high speed to reach transonic speed, the high velocity air of pencil can form strong region of no pressure in nozzle side, thus the solar term principle that realization pulls the large quantity of air of surrounding to work together.

Because gas have passed through the process of a compression amplification, therefore, compressed air require can be amplified at least 20 times, the compressed air consumption of decreased average 70%-90%.

Due to the head of nozzle body and there is a chamfering at an angle in the middle part of it, therefore, after gas flows out, owing to there is certain mantle friction between air-flow and its nozzle body surface of flowing through, the flows decrease of air-flow can be caused.Because the curvature of cone is in the present invention very little, according to the bernoulli principle in hydrodynamics, the slowing down of air-flow velocity can cause this air-flow to be attracted on body surface flowing.Therefore, above-mentioned effluent air rapidly, after outflow interstitial structure, can move on along the direction of nozzle body head.

In addition, the inside of nozzle body is also provided with the inner cavity chamber that a top is cone;

The angle of this top cone section is the obtuse angle of 100 °-120 °.

Inner cavity chamber top is inclined-plane, and when gas flow rate is too fast, under the state that gas flow is too saturated, the inclined-plane at top can play the effect of a buffering.

In addition, the top of inner cavity chamber also has a fluid passage communicated with spray-hole.

Nested type energy-conserving spray nozzle provided by the invention, also has such structure: one end of nested rings is the chamfering in acute angle.

The angle of this chamfering is preferably consistent with the angle of nozzle body head cone.

About this chamfering is preferably the half of nested rings entire length.Its role is to the direction of ejecting air-flow in the further guide clearance of energy, its conical surface direction along nozzle body head is carried out.

In addition, nested type energy-conserving spray nozzle provided by the invention, also has such structure: the cone of the head of nozzle body, and the angle of its section is acute angle, and the angle of this acute angle is preferably 30 °-60 °.

In addition, nested type energy-conserving spray nozzle provided by the invention, also has such structure: the internal diameter bottom nozzle body is greater than the internal diameter in the middle part of nozzle body, is provided with a confined planes in its position, boundary.

In addition, present invention also offers a kind of nozzle system comprising above-mentioned nested type energy-conserving spray nozzle, it is characterized in that, also comprise a gas-liquid input mechanism, gas-liquid input mechanism is made up of gas inlet pipe, liquid input tube and shower nozzle;

Wherein, gas inlet pipe is fixed on the inside of nozzle body;

The caliber of its stiff end is preferably greater than the internal diameter in the middle part of nozzle body, and then this gas inlet pipe is fixed on after on above-mentioned confined planes, also there will not be in use procedure, because misoperation or other reasons cause tracheae to slip into situation in the middle part of nozzle body, thus ensure that fluency and the continuation of gas in body series.

The caliber of liquid input tube is less than gas inlet pipe, arranges with gas inlet pipe is concentric;

In practice show as large pipe box tubule, liquid input tube through after gas inlet pipe, enters the middle part of nozzle body from the inside of gas inlet pipe.

The end of gas inlet pipe one end is provided with shower nozzle, and size shape and the fluid passage of this shower nozzle match, and are fixed in fluid passage closely;

In practice, when equipment installs, when carrying out liquid input operation, liquid, through this fluid passage, is sprayed by the spray-hole being located at nozzle body.

Above-mentioned interstitial structure can be measured by clearance ruler, is 0.05mm to 0.2mm.

It is the metal material of the material corrosion such as lubricant that the nozzle body, embedding tube and the shower nozzle that relate in said nozzle or nozzle system structure all adopt stainless steel or brass etc. not easily.

Aforesaid liquid input pipe and gas inlet pipe all adopt corrosion resistant, pressure-resistant plastic or metal material.

effect of the present invention

Because the present invention adopts interstitial structure, air-flow rapidly can be produced, can be used for when intermetallic composite coating realizing blowing down the chip on workpiece.Doing so avoids when processing work, due to the factor such as interference of workpiece debris, cause the negative consequences such as working (machining) efficiency reduces, the precision reduction of work piece.In addition, the processing method of limit processing limit debris removal also contributes to the surface smoothness etc. improving workpiece to be machined.

Because the present invention adopts interstitial structure, can produce air-flow rapidly, this air-flow, when intermetallic composite coating, can also reach the effect of cooling processing work.Thus under solving common process, because the workpiece temperature just machined is too high, directly cannot carry out the problem of reprocessing.And due to effect air-cooled rapidly, the workpiece temperature machined, below 35 °, is in hand-holdable state, this avoid that operator often occurs in metal works processing too high due to temperature and the potential safety hazard that causes.

In addition, the effect of comprehensive accelerating cooling and middle debris removal two can also extend the service life of process tool.

In addition, compressed air accelerates in annular channel, blow out from nozzle ring at a high speed to reach transonic speed, the high velocity air of pencil can form strong region of no pressure in nozzle side, thus the solar term principle realizing pulling the large quantity of air of surrounding to work together is when applying to the processing unit (plant) of metal works by this nozzle, can by more than compressed air stream magnify 20, average energy reduces the compressed air consumption of 70%-90%, thus realizes the effect that fan-out capability strengthens more than 20 times.It, by open airline, can consume few compressed air and produce powerful jet-stream wind, reduce compressed air consumption widely, thus realize the excellent effect of energy-saving consumption-reducing.

Head due to nozzle body provided by the invention is the chamfering with certain slope, when gas rapidly flows out, owing to there is certain mantle friction between gas and its nozzle body surface of flowing through, can cause the flows decrease of air-flow.And the curvature of the cone of body head is very little in the present invention, according to the bernoulli principle in hydrodynamics, the slowing down of air-flow velocity can cause this air-flow to be attracted on body surface flowing.Therefore, this is the moment of gas after flowing out interstitial structure rapidly, and can adjust initial straight ahead because of Coanda effect, the direction changed into along nozzle body head (i.e. certain angle) moves on.Particularly when this angle is 15 °, this effect is especially obvious.

After applying the present invention to metal working lubricant device, inside due to nozzle body is also provided with one can the passage of atomizing of liquids (as: lubricant), in actual applications, when liquid passes through liquid input tube, via the moment that this passage flows out in spray-hole, wrapped up instantaneously by the above-mentioned air-flow rapidly because of Coanda effect for a change direction of advance, define the state (that is: lubricant is in a kind of by the bulky grain aggregating state of air lock) of a gas bag oil, thus prevent the moment aerosolization that liquid is flowing out often occurred in common process to spread the result come.

In this case the lubricant ejected, can be ejected into processing stand or machining area accurately.In this case, the loss of lubricant, the working (machining) efficiency improving workpiece and effect can not only be saved.And can avoid healthy to the workman of job shop work on potential safety hazard.In addition, because the present invention is fixed point dropping formula, obviate in conventional workshop, because use the process equipment of fountain, in the process of work pieces process with after machining, whole machining area is dirty and messy unordered, follow-up clean trouble, while not affecting fluid speed, above-mentioned dirty and messy consequence can also be avoided, can also disposal costs be saved.

In the present invention, one end of nested rings is set as the chamfering consistent with the angle of nozzle body head cone.Eject the direction of air-flow in so further guide clearance of design energy, forced draft is carried out along the conical surface direction of nozzle body head.Particularly when this angle is 15 °, this effect is especially obvious.

In the present invention, be cone by the top design of inner cavity chamber, because there is the effect on an inclined-plane, when under the state that gas flow rate is too fast or gas content in chamber is too saturated, the inclined-plane at top can play the effect of a buffering.Particularly when the angle of this angle is 120 °, this effect is especially obvious.

In the present invention, during design about nozzle body inside, the internal diameter of bottom is set greater than the internal diameter in the middle part of nozzle body, a confined planes can be formed in its position that has a common boundary like this, for blocking the advance of gas inlet pipe, and it is spacingly fixed on this confined planes.The advantage of such design is, when gas inlet pipe is fixed on after on this confined planes, would not occur in use, because misoperation or other reasons cause tracheae to slip into situation in the middle part of nozzle body, thus ensure that fluency and the continuation of gas in body series.

As can be seen here, nozzle provided by the present invention is installed on after in metal working lubricant device, the gas after amplifying is utilized to reach air-cooled object to intermetallic composite coating position, accurately fix a point to lubricate to working position after gas and vapor permeation lubricant after simultaneously utilizing this device to amplify becomes droplet shape, solve the problem that in existing novel metal micro lubricating, gas consumption is large, save power supply simultaneously, and had the advantages that to save lubricant and more energy-conserving and environment-protective.

In addition, the design in many places chamfering or angle space can amplify practical function of the present invention, makes the device that the present invention relates to more excellent.

Accompanying drawing explanation

Fig. 1 is the three-dimensional assembling schematic diagram of the nozzle system that the present embodiment provides;

Fig. 2 is the structural representation of the nozzle body that the present embodiment provides;

Fig. 3 is the structural representation of the nested rings that the present embodiment provides;

Fig. 4 is the structural representation after nozzle system that the present embodiment provides installs;

Fig. 5 is the air chamber schematic diagram under the nozzle system duty that provides of the present embodiment;

Fig. 6 is the Coanda effect schematic diagram under the nozzle system duty that provides of the present embodiment.

Detailed description of the invention

Now by reference to the accompanying drawings and specific embodiment, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.

The nozzle system 100 comprising nested type energy-conserving spray nozzle that the present embodiment provides as shown in Figure 1, comprises nozzle body 10, nested rings 20 and gas-liquid input mechanism 30.

Nozzle body 10 comprises head 110, middle part 120 and bottom 130 as shown in Figure 2.

The head 110 of nozzle body 10 is cone, and top is provided with spray-hole 111; The middle part 120 of nozzle body 10 is cylinder, cylinder is provided with uniformly four each and every one pores 121; The bottom 130 of nozzle body 10 is helicitic texture.

Wherein, this cylinder and above-mentioned cone are processed into smooth without joint surface.Angle of inclination between this cylinder and cone is 15 °.After inclination angle in the present embodiment being carried out to the adjustment in angle (as: 10 °, 16 °, 17 °, 18 °, 19 °, 20 °, 21 °, 22 °, 23 °, 24 °, 25 °, 26 °, 27 °, 28 °, 29 °, 30 °, 31 °) find, after inclination angle is more than 30 °, Coanda effect obviously dies down.When angle is less than 15 °, Coanda effect is not obvious.

Bottom nozzle body 10, the profile of 130 is the hexagonal prism 131 that external diameter is greater than in the middle part of body 10 120, and the internal structure 132 of its opposite position is helicitic texture.The external diameter that external diameter due to bottom 130 is greater than in the middle part of body 120, therefore, in appearance, the bottom 130 of nozzle body 10 and the intersection at middle part 120 form an object disposing platform 133.

As shown in Figure 3, the length of nested rings 20 is suitable with the middle part 120 of nozzle body 10, just in time can hide completely and be arranged at pores 121 all in the middle part of cylinder.One end of nested rings 20 is the 15 ° chamferings consistent with the angle of nozzle body 10 head 110 cone, about this chamfering account for the half of nested rings 20 entire length.The size shape of nested rings 20 is just in time placed on the outside of nozzle body 10.When nested rings 20 and nozzle body 10 install, after agreeing with completely, the bottom 220 of nested rings 20 caters on above-mentioned object disposing platform 133 closely, forms the environment of a lower end sealing.Upper end 210 and the nozzle body 10 of nested rings 20 form an opening shape spacer ring.

As shown in Figure 5, after nested rings 20 and nozzle body 10 install, define a lower end sealing, the interstitial structure in gap in the form of a ring, upper end.Due to the existence of this interstitial structure, when nozzle body 10 inside is filled Compressed Gas G, gas G flows into nested rings 20 with the gap 230 of nozzle body 10 by the pore 121 on nozzle body 10 surface, then flows out rapidly from the annular slot 231 of upper end.

As shown in Figure 6, due to nozzle body 10 head 110 with its in the middle part of 120 have a chamfering at an angle, therefore, after gas G flows out, owing to there is certain mantle friction between air-flow G and its nozzle body 10 surface of flowing through, the flows decrease of air-flow G can be caused.Because the curvature of cone is in the present invention very little, according to the bernoulli principle in hydrodynamics, the slowing down of air-flow velocity can cause this air-flow G to be attracted on body surface 111 flowing.Therefore, the above-mentioned G of effluent air rapidly, after outflow interstitial structure, can move on along the direction of nozzle body 10 head 110.

As shown in Figure 2, the inside of nozzle body 10 is also provided with the inner cavity chamber 140 that a top 141 is cone, and the angle of this top cone section is the obtuse angle of 120 °, angle in the present embodiment to be carried out after the adjustment in angle to (as: 90 °, 100 °, 112 °, 115 °, 118 °, 120 °, 135 °, 160 °) find, after angle is more than 120 °, gas flowing successful dies down.When angle is less than 100 °, gas flow rates is too fast, well cannot realize the effect cushioned.

As shown in Figure 5, when inner cavity chamber 140 top 141 is inclined-plane, when gas G flow velocity is too fast, under gas G measures too saturated state, inclined-plane 141a and 141b at top 141 can play the effect of a buffering.

As shown in Figure 2, due to bottom nozzle body 10 130 the internal diameter internal diameter that is greater than in the middle part of nozzle body 10 120, form a confined planes 134 in its position, boundary.

In addition, the top 141 of inner cavity chamber 140 also has a fluid passage 112 communicated with spray-hole 111.

As shown in Figure 1, gas-liquid input mechanism 30, gas-liquid input mechanism 30 is made up of gas inlet pipe 310, liquid input tube 320 and shower nozzle 313.

In the present embodiment, gas inlet pipe 310 is fixed on confined planes 134.The caliber of its stiff end slightly larger than in the middle part of nozzle body 10 120 internal diameter.

In the present embodiment, the caliber of liquid input tube 320 is less than gas inlet pipe 310, arranges with gas inlet pipe 310 is concentric, after liquid input tube 320 passes gas inlet pipe 310 from the inside of gas inlet pipe 310, enter the middle part 120 of nozzle body 10, form the state of large pipe box tubule.

The end of this liquid input tube 320 one end is provided with shower nozzle 313, the size shape of this shower nozzle 313 is consistent with fluid passage 112, be fixed in fluid passage 112 closely, when equipment installs, when carrying out liquid L input operation, liquid L, through this fluid passage 112, is sprayed by the spray-hole 111 being located at nozzle body 10.

Above-mentioned interstitial structure can be measured by clearance ruler, is 0.05mm to 0.2mm.

It is the metal material of the material corrosion such as lubricant that the nozzle body, embedding tube and the shower nozzle that relate in said nozzle or nozzle system structure all adopt stainless steel or brass etc. not easily.

Aforesaid liquid input pipe and gas inlet pipe all adopt corrosion resistant, pressure-resistant plastic or metal material.

the effect of the present embodiment

Because the present embodiment adopts interstitial structure, air-flow rapidly can be produced, can be used for when intermetallic composite coating realizing blowing down the chip on workpiece.Doing so avoids, when processing work, due to the factor such as interference of workpiece debris, cause the negative consequences such as working (machining) efficiency reduces, the precision reduction of work piece.In addition, the processing method of limit processing limit debris removal also contributes to the surface smoothness etc. improving workpiece to be machined.

Because the present embodiment adopts interstitial structure, can produce air-flow rapidly, this air-flow, when intermetallic composite coating, can also reach the effect of cooling processing work.Thus under solving common process, because the workpiece temperature just machined is too high, directly cannot carry out the problem of reprocessing.And due to effect air-cooled rapidly, the workpiece temperature machined, below 35 °, is in hand-holdable state, this avoid that operator often occurs in metal works processing too high due to temperature and the potential safety hazard that causes.

In addition, the effect of comprehensive accelerating cooling and middle debris removal two can also extend the service life of process tool.

In addition, as shown in Figure 6, when this nozzle is applied to the processing unit (plant) of metal works, compressed air G accelerates in annular channel, to reach transonic speed at a high speed from nozzle ring blowout, the high velocity air of pencil can form strong region of no pressure in nozzle side, thus compressed air can be banished large 25 times by the solar term principle realizing pulling the large quantity of air Ga of surrounding to work together, average energy reduces by the compressed air consumption of 90%, thus realizes the effect that fan-out capability strengthens more than 25 times.It, by open airline, can consume few compressed air and produce powerful jet-stream wind, reduce compressed air consumption widely, thus realize the excellent effect of energy-saving consumption-reducing.

As shown in Figure 6, the head of the nozzle body provided due to the present embodiment is have the chamfering of 15 ° to 30 °, when gas flows out rapidly, owing to there is certain mantle friction between gas and its nozzle body surface of flowing through, can cause the flows decrease of air-flow.And the curvature of the cone of body head is very little in the present embodiment, according to the bernoulli principle in hydrodynamics, the slowing down of air-flow velocity can cause this air-flow to be attracted on body surface flowing.Therefore, this is the moment of gas after flowing out interstitial structure rapidly, and can adjust initial straight ahead because of Coanda effect, the direction changed into along nozzle body head (namely 15 ° to 30 °) moves on.

After the present embodiment being applied to metal working lubricant device, inside due to nozzle body is also provided with one can the passage of atomizing of liquids (as: lubricant), in actual applications, when liquid L passes through liquid input tube, via the moment that this passage flows out in spray-hole, wrapped up instantaneously by the above-mentioned air-flow rapidly because of Coanda effect for a change direction of advance, define the state of a gas bag oil (namely, liquid or oil body are in a kind of by the bulky grain aggregating state of air lock), thus prevent the moment aerosolization that liquid is flowing out often occurred in common process to spread the result come.

In this case the liquid ejected or oil product, can be ejected into work processing stand or machining area accurately.In this case, the loss of oil product, the working (machining) efficiency improving workpiece and effect can not only be saved.And can avoid healthy to the workman of job shop work on potential safety hazard.In addition, because the present embodiment is fixed point dropping formula, obviate in conventional workshop, because use the process equipment of fountain, in the process of work pieces process with after machining, whole machining area is dirty and messy unordered, follow-up clean trouble, while not affecting fluid speed, above-mentioned dirty and messy consequence can also be avoided, can also disposal costs be saved.

In the present embodiment, one end of nested rings is set as the chamfering (namely 15 ° to 30 °) consistent with the angle of nozzle body head cone.Eject the direction of air-flow in so further guide clearance of design energy, forced draft is carried out along the conical surface direction of nozzle body head.

As shown in Figure 5, in the present embodiment, the cone of 100 ° to 120 ° that to be an angle by the top design of inner cavity chamber be, because there is the effect on an inclined-plane, when under the state that gas flow rate is too fast or gas content in chamber is too saturated, the inclined-plane at top can play the effect of a buffering.

In the present embodiment, during design about nozzle body inside, the internal diameter of bottom is set greater than the internal diameter in the middle part of nozzle body, a confined planes can be formed in its position that has a common boundary like this, for blocking the advance of gas inlet pipe, and it is spacingly fixed on this confined planes.The advantage of such design is, when gas inlet pipe is fixed on after on this confined planes, would not occur in use, because misoperation or other reasons cause tracheae to slip into situation in the middle part of nozzle body, thus ensure that fluency and the continuation of gas in body series.

As can be seen here, the nozzle provided by the present embodiment is installed on after in minimum quantity lubrication device, pressed gas is utilized to reach air-cooled object to intermetallic composite coating position, accurately fix a point to lubricate to working position after gas and vapor permeation lubricant after simultaneously utilizing this device to amplify nebulizes, solve gas in existing micro lubricating and expend large problem, save electric energy simultaneously, and had the advantages that to save lubricant and more environmental protection.

In addition, the design in many places chamfering or angle space can amplify the practical function of the present embodiment, and the device that the present embodiment is related to is more excellent.

Claims (8)

1. a nozzle system for nested type energy-conserving spray nozzle, is characterized in that, comprises nozzle body (10) and nested rings (20), gas-liquid input mechanism;
Described nozzle body (10) comprises head (110), middle part (120) and bottom (130);
The head of described nozzle body (10) is cone, and top is provided with spray-hole (111);
The middle part of described nozzle body (10) is cylinder, cylinder is provided with uniformly at least two pores (121); The bottom of described nozzle body (10) is helicitic texture (131);
The formation interstitial structure (231) that described nested rings (20) matches with the middle part of described nozzle body;
Wherein, the inside of described nozzle body (10) is provided with the inner cavity chamber (140) that a top is cone;
The top of described inner cavity chamber (140) also has a fluid passage communicated with spray-hole (112);
Described gas-liquid input mechanism is made up of gas inlet pipe (310), liquid input tube (320) and shower nozzle (313);
Wherein, described gas inlet pipe (310) is fixed on the inside of nozzle body (10);
The caliber of described liquid input tube (320) is less than gas inlet pipe (310), and the end of one end is provided with shower nozzle (313), arranges with gas inlet pipe (310) is concentric;
Size shape and fluid passage (112) of described shower nozzle (313) match, and are fixed in fluid passage (112) closely;
The formation interstitial structure (231) that described nested rings (20) matches with the middle part of described nozzle body, its gap is: be 0.05mm to 0.2mm.
2. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 1, is characterized in that: the length of described nested rings (20) is not more than the middle part of nozzle body, can hide pore (121) completely.
3. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 1, is characterized in that: one end of described nested rings (20) is the chamfering in acute angle.
4. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 1, is characterized in that: the angle of described cone section is acute angle.
5. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 4, is characterized in that: described acute angle preferably 30 °-60 °.
6. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 1, is characterized in that: the angle of described inner cavity chamber (140) top planing surface is obtuse angle.
7. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 6, is characterized in that: preferably 100 °-120 °, described obtuse angle.
8. the nozzle system of a kind of nested type energy-conserving spray nozzle as claimed in claim 1, it is characterized in that, bottom described nozzle body, the internal diameter of (130) is greater than the internal diameter of (120) in the middle part of nozzle body, is provided with a confined planes (134) in its position, boundary.
CN201310446946.6A 2013-09-26 2013-09-26 A kind of nested type energy-conserving spray nozzle and comprise the nozzle system of this nozzle CN103521368B (en)

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CN104985477B (en) * 2015-07-24 2017-06-23 上海金兆节能科技有限公司 Oil-water-gas three-phase mixing nozzle and the nozzle system comprising the nozzle
CN106584279B (en) * 2016-12-30 2019-01-08 青岛理工大学 Expander refrigeration sub-cooled nanoparticle jet stream micro lubricating feed system
CN106514495B (en) * 2016-12-30 2018-11-09 青岛理工大学 Expanding machine drives refrigeration low-temperature to cool down nano-particle jet stream micro lubricating feed system
CN106903996B (en) * 2017-03-09 2020-05-29 京东方科技集团股份有限公司 Printing apparatus
CN108644600A (en) * 2018-05-18 2018-10-12 东莞安默琳机械制造技术有限公司 Micro lubricating nozzle

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