CN104888985A - Special nozzle for film spraying waterproof paint - Google Patents
Special nozzle for film spraying waterproof paint Download PDFInfo
- Publication number
- CN104888985A CN104888985A CN201510237525.1A CN201510237525A CN104888985A CN 104888985 A CN104888985 A CN 104888985A CN 201510237525 A CN201510237525 A CN 201510237525A CN 104888985 A CN104888985 A CN 104888985A
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- Prior art keywords
- cavity
- spraying
- nozzle body
- spray
- nozzle
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- 239000003973 paint Substances 0.000 title claims abstract description 26
- 238000005507 spraying Methods 0.000 title abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims description 46
- 239000000463 material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000007704 transition Effects 0.000 abstract 2
- 239000011247 coating layer Substances 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 26
- 238000000576 coating method Methods 0.000 description 26
- 239000012528 membrane Substances 0.000 description 7
- 239000005871 repellent Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The invention relates to the technical field of spraying of a waterproof coating layer of a waterproof material, in particular to a special nozzle for film spraying waterproof paint. The nozzle comprises a nozzle body provided with a spraying cavity, wherein the spraying cavity comprises a pressurizing cavity, a transition cavity and a liquid collecting cavity in sequence from front to back; the pressurizing cavity and the liquid collecting cavity are both cylindrical cavities; the transition cavity is a conical cavity; the front end surface of an inner cavity of the pressurizing cavity is a spherical surface type end surface; an elliptic spraying port is formed in the spherical surface type end surface; a V-shaped groove is formed in the front end surface of the nozzle body; and avoiding grooves are formed in the two ends of the V-shaped groove. The nozzle has the effects of uniform distribution of a spraying coverage and uniform paint mixing, and can effectively prevent the phenomenon of blockage of the spraying port and accumulation of the paint in the nozzle.
Description
Technical field
The present invention relates to the spraying technology field of the waterproof coating of waterproof material, particularly a kind of special nozzle spraying waterproof material.
Background technology
In the tunnel of basic job facilities and other underground engineering, very high to the requirement of anti-seep water.The waterproof measure of current employing is normally by the mode of spray film construction, namely specifically the water-repellent paint of the shape that is in a liquid state is sprayed on the metope needing to carry out water-proofing treatment or wall, one deck waterproof membrane can be solidify to form, the waterproof membrane formed by this spraying and play the technique effect of waterproof, seepage control after its coating drying.Certainly also there is the water-proof function of part water-proof sheet material to be spray last layer water-repellent paint by the method for spraying on the top layer of water-proof sheet material, form the waterproof membrane being attached to top layer.
The specific implementation method that water-repellent paint spraying forms waterproof membrane is the top layer by special spraying equipment, the water-repellent paint mixed being injected in metope, wall or waterproof material by high-pressure spray gun; The spraying effect of water-repellent paint directly has influence on the waterproof effect of waterproof membrane, if waterproof coating is in uneven thickness or mix uneven by the water-repellent paint that high-pressure spray gun ejects, directly will affect waterproof effect.
The nozzle arrangements of high-pressure spray gun directly can affect spraying effect, the jet of conventional spout is circular jet, the spraying coverage rate that the coating sprayed from the jet of circle is formed be circle, the thickness that there will be spraying coverage rate becomes the situation of book gradually from circular central to circular periphery, water-repellent paint skewness is made during spraying, make the central area thickness of circular spraying coverage rate excessive, peripheral thickness is not enough, in order to reach the requirement making all spraying coverage rate consistency of thickness, the situation of spraying zones overlap must be there is, cause the waste of coating; And the nozzle of circular jetting loophole often there will be jet blocking and coating mixes uneven situation, directly affects spraying effect and operating efficiency.
In real work, find that the coverage rate of the coating that the nozzle with oval jet ejects is for oval, and coating is comparatively concentrated at the long axis direction of ellipse spraying coverage rate, less along its short-axis direction varied in thickness, in unit interval, in spraying operation, elliptical nozzles is even along the thickness of the inswept spraying coverage rate of its short-axis direction, and coating mixes.
Flat hole as the flat jet flow nozzle in China Patent No. 201210015491.8 disclosed " flat jet flow nozzle and special coating machine " is approximate flat rectangle, approximate prolate is circular, be similar to choosing any one kind of them in flat ellipse hole, its principle is the same with oval jet, all can reach the coating direct effect that distributing homogeneity and coating mix on spraying coverage rate; But the size of the injection coverage rate of the coating that in this patent, flat hole is ejected is relevant with jet length, expulsion pressure and jet size, one single flat hole size can only by the size regulating expulsion pressure and jet length to control to spray coverage rate after determining, and in actual mechanical process, because nozzle is all threaded in spray gun front portion, after nozzle is installed, the angle of length direction on spray gun in flat hole is not easy to control, and could determine the direction of the coverage rate going out to eject from flat hole after only having first pilot injection on the ground.
Summary of the invention
The object of the invention is to for prior art above shortcomings, provide a kind of spray film water-proof paint special nozzle, comprise the nozzle body being provided with spray chamber, described spray chamber comprises booster cavity, adapter cavity and liquid collecting cavity from front to back successively; Described booster cavity and liquid collecting cavity are cylindrical cavity; Described adapter cavity is conical cavity; The inner chamber front end face of described booster cavity is spherical end face; Described spherical end face is provided with oval jet; The front end face of described nozzle body offers V-type grooving; The two ends of described V-type grooving offer escape groove; One-body molded on excircle in the middle part of described nozzle body have tight lock part; Described tight lock part is regular polygon; The rear portion of described nozzle body is provided with external screw thread; Described jet along spray body direction of axis line be projected as ellipse; The center line of described V-type grooving through the axial line of described nozzle body, the parallel major axis with ellipse of the length direction of V-type grooving; Described nozzle body front portion be circumferentially symmetrically arranged with two reference planes parallel to each other; Described reference plane is parallel to the major axis of oval jet.
The present invention solves its technical problem, the technical scheme adopted is: a kind of spray film water-proof paint special nozzle, comprise the nozzle body being provided with spray chamber, described nozzle body is cylindric, and described spray chamber comprises booster cavity, adapter cavity and liquid collecting cavity from front to back successively; Described booster cavity and liquid collecting cavity are cylindrical cavity, and the aperture of liquid collecting cavity is greater than the aperture of booster cavity; Described adapter cavity is conical cavity, and the large end of adapter cavity connects liquid collecting cavity, and the small end of adapter cavity connects booster cavity; The inner chamber front end face of described booster cavity is spherical end face; Described spherical end face offers oval jet.
Further, the front end face of described nozzle body offers V-type grooving.
Further, escape groove is offered at the two ends of described V-type grooving.
Further, one-body molded on the excircle at the middle part of described nozzle body have tight lock part; Described tight lock part is regular polygon.
Further, described tight lock part is square or regular hexagon.
Further, the rear portion of described nozzle body is provided with external screw thread, and described external screw thread matches with the internal thread of the spray gun of spray film water-proof paint.
Further, described jet along spray body direction of axis line be projected as ellipse; The scope of the major axis D of described ellipse is 2.50mm≤D≤3.00mm, and the scope of oval minor axis d is 1.75mm≤d≤2.00mm.
Further, the center line of described V-type grooving through the axial line of described nozzle body, the parallel major axis with ellipse of the length direction of V-type grooving.
Further, the span of the angle a of described V-type grooving is 40 °≤a≤50 °.
Further, the excircle of described nozzle body front portion is symmetrically arranged with two reference planes parallel to each other; Described reference plane is parallel to the major axis of oval jet.
Compared with prior art, the invention has the beneficial effects as follows: a kind of film water-proof paint special nozzle that sprays disclosed by the invention makes spraying coverage rate present ellipse by arranging oval jet, coating is evenly distributed and mixes, by being arranged on V-type grooving and the escape groove of nozzle body front end face, preventing the paint accumulation because of going out from jet high velocity jet from nozzle body front end face and outer circumference surface, blocking jet, it also avoid a large amount of spray coating liquor simultaneously and accumulate on nozzle and then drip on spraying operation face; Being arranged at the anterior reference plane circumferentially of nozzle body for judging the direction of the major axis spraying the ellipse spraying coverage rate formed, contributing to the direction that operating personnel's moment in hand spray operation pays close attention to jet.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention;
Fig. 2 is perspective cross-sectional structural representation of the present invention;
Fig. 3 is front view of the present invention;
Fig. 4 is sectional structure schematic diagram of the present invention;
Description of reference numerals: spray chamber 1, booster cavity 1a, adapter cavity 1b, liquid collecting cavity 1c, jet 2, V-type grooving 3, escape groove 4, tight lock part 5, external screw thread 6, reference plane 7, the major axis D of oval jet, the minor axis d of oval jet.
Specific embodiments
Below in conjunction with Figure of description and embodiment, specific embodiments of the invention are described in further detail:
Referring to figs. 1 through the one spray film water-proof paint special nozzle shown in Fig. 4, comprise the nozzle body being provided with spray chamber 1, described nozzle body is cylindric, and described spray chamber 1 comprises booster cavity 1a, adapter cavity 1b and liquid collecting cavity 1c from front to back successively; Described booster cavity 1a and liquid collecting cavity 1c is cylindrical cavity, and the aperture of liquid collecting cavity 1c is greater than the aperture of booster cavity 1a, and described adapter cavity 1b is conical cavity, and the large end of adapter cavity 1b connects liquid collecting cavity 1c, and the small end of adapter cavity 1b connects booster cavity 1a; The inner chamber front end face of described booster cavity 1a is spherical end face; Described spherical end face is provided with oval jet 2; The front end face of described nozzle body offers V-type grooving 3; The two ends of described V-type grooving 3 offer escape groove 4.
Wherein, the spherical end face of booster cavity 1a can make the pressure distribution of coating at jet 2 place even, makes the coating pressure that ejects even, and then is conducive to coating and mixes; V-type grooving 3 and escape groove 4 effectively avoid the front end face that the coating sprayed at a high speed from jet 2 clashes into nozzle body, avoid the accumulation of coating at jet 2 place, effectively prevent jet 2 blocking and coating from dropping onto on spraying operation face from front end face.
Particularly, when coating sprays at a high speed from nozzle, coating can be oval minor axis d along two of a V-type grooving 3 cell wall radiation, length direction radiation along V-type grooving 3 is oval major axis D, the cell wall of V-type grooving 3 serves the guide effect to spray coating liquor, spray coating liquor can not touch the front end face of nozzle body, and the drop that the escape groove 4 being distributed in V-type grooving 3 two ends is formed makes the coating along the radiation of V-type grooving 3 length direction can not touch the outer circumference surface of nozzle body; Resultant effect makes coating can not accumulate at spray nozzle front end, effectively prevents jet 2 from blocking.
One-body molded on excircle in the middle part of described nozzle body have tight lock part 5; Described tight lock part 5 is regular polygon, and present embodiment preferably its tight lock part 5 is regular hexagon or square.The instruments such as spanner are used can be conveniently installed on spray gun by nozzle by tight lock part 5.The rear portion of described nozzle body is provided with external screw thread 6, and described external screw thread 6 matches with the internal thread of the spray gun of spray film water-proof paint, to facilitate the connection of itself and spray gun.
Described jet 2 along spray body direction of axis line be projected as ellipse; The scope of the major axis D of described ellipse is 2.50mm≤D≤3.00mm, and the scope of oval minor axis d is 1.75mm≤d≤2.00mm.The hole depth of described oval jet 2 is 0.50-1.00mm.Through verification experimental verification, when the projection span of oval jet 2 is above-mentioned value range, the effect of its spraying film forming is better, the elliptical nozzles mouth 2 of its this size spray the spraying coverage rate formed, its spraying A, B material mixing evenly, area coverage is of moderate size, and in unit are, ellipse is less than round spraying coverage rate, the spraying wide coverage of oval spraying in the unit interval.And more save material, and be: in work progress that, during composite geo-membrane overlap joint, the shape needing spraying is ellipse on the one hand, material more more surplus than circle; On the other hand, in prior art, circular aperture is little easily stifled, often there will be A, B and expects disproportionate mixing, causes last A material or B material have residue and waste.A material or B material as residue wherein any one, next time just can not employ, because add initator.
The center line of described V-type grooving 3 through the axial line of described nozzle body, the parallel major axis D with ellipse of the length direction of V-type grooving 3.
The span of the angle a of described V-type grooving 3 is 40 °≤a≤50 °, prove through test, when the angle a of V-type grooving 3 gets this angle value, the contact area of A material and B material in the unit interval can be expanded further, reach better mixed effect, make the mixing of its two kinds of coating more even, and the waterproof effect of the waterproof membrane of ejection formation is better.
It is emphasized that, nozzle of the present invention not only can by regulating the distance in spray gun and spraying operation face in spray gun pressure and spraying operation when jet 2 size is fixed, secondary operations can also be carried out to the angle of V-type grooving 3 according to actual conditions, change the length of the minor axis of oval spraying coverage rate with this, thus regulate the coverage density of coating in oval spraying coverage rate.
The excircle of nozzle body front portion is symmetrically arranged with two reference planes parallel to each other 7; Described reference plane 7 is parallel to the major axis D of oval jet 2.
It is emphasized that, because jet 2 is arranged on the front end face of nozzle body, when practical operation, operating personnel cannot observe the actual angle of jet 2, and then cannot the angle of spraying coverage rate of anticipation ellipse, circumferentially offer the plane of reference parallel with the long axis direction of jet 2 in the front portion of nozzle body, contribute to the angle that operating personnel's moment pays close attention to jet 2.
The above is only preferred embodiment of the present invention, not restricts technical scope of the present invention, and all amendments of doing according to above embodiment and equivalent variations, all belong in protection scope of the present invention.
Claims (6)
1. a spray film water-proof paint special nozzle, comprise the nozzle body being provided with spray chamber (1), described nozzle body is cylindric, it is characterized in that: described spray chamber (1) comprises booster cavity (1a), adapter cavity (1b) and liquid collecting cavity (1c) from front to back successively; Described booster cavity (1a) and liquid collecting cavity (1c) are cylindrical cavity, and the aperture of liquid collecting cavity (1c) is greater than the aperture of booster cavity (1a); Described adapter cavity (1b) is conical cavity; The large end of adapter cavity (1b) connects liquid collecting cavity (1c), and the small end of adapter cavity (1b) connects booster cavity (1a); The inner chamber front end face of described booster cavity (1a) is spherical end face; Described spherical end face is provided with oval jet (2), and the front end face of described nozzle body offers V-type grooving (3), and the two ends of described V-type grooving (3) offer escape groove (4).
2. one spray film water-proof paint special nozzle according to claim 1, is characterized in that: one-body molded on the excircle in the middle part of described nozzle body have tight lock part (5); Described tight lock part (5) is regular hexagon or square, and the rear portion of described nozzle body is provided with external screw thread (6), and described external screw thread (6) matches with the internal thread of the spray gun of spray film water-proof paint.
3. one spray film water-proof paint special nozzle according to claim 1, is characterized in that: described jet (2) along spray body direction of axis line be projected as ellipse; The scope of the major axis D of described ellipse is 2.50mm≤D≤3.00mm, and the scope of oval minor axis d is 1.75mm≤d≤2.00mm.
4. one spray film water-proof paint special nozzle according to claim 1, it is characterized in that: the center line of described V-type grooving (3) through the axial line of described nozzle body, the parallel major axis (D) with ellipse of the length direction of V-type grooving (3).
5. one spray film water-proof paint special nozzle according to any one of claim 1 to 4, is characterized in that: the span of the angle a of described V-type grooving (3) is 40 °≤a≤50 °.
6. one spray film water-proof paint special nozzle according to any one of claim 1 to 4, is characterized in that: on the excircle of nozzle body front portion, be symmetrically arranged with two reference planes parallel to each other (7); Described reference plane (7) is parallel to the major axis (D) of oval jet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237525.1A CN104888985A (en) | 2015-05-12 | 2015-05-12 | Special nozzle for film spraying waterproof paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237525.1A CN104888985A (en) | 2015-05-12 | 2015-05-12 | Special nozzle for film spraying waterproof paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104888985A true CN104888985A (en) | 2015-09-09 |
Family
ID=54022187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510237525.1A Pending CN104888985A (en) | 2015-05-12 | 2015-05-12 | Special nozzle for film spraying waterproof paint |
Country Status (1)
| Country | Link |
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| CN (1) | CN104888985A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824585A (en) * | 2017-01-19 | 2017-06-13 | 高益松 | A kind of foam gun nozzle |
| CN110038739A (en) * | 2019-04-28 | 2019-07-23 | 南京高速齿轮制造有限公司 | The adjustable Lubricating oil nozzle of spray angle |
| CN110496716A (en) * | 2019-09-18 | 2019-11-26 | 宁波太中塑业有限公司 | Eddy current type desulfurization and dust removal showerhead |
| CN110711650A (en) * | 2019-12-02 | 2020-01-21 | 苏州小科清洁科技有限公司 | a nozzle |
| CN111282733A (en) * | 2020-02-20 | 2020-06-16 | 江苏大学 | A fan-shaped nozzle and spraying method for changing the spray angle by adjusting the notch angle |
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| CN201702048U (en) * | 2010-05-28 | 2011-01-12 | 精美铝业有限公司 | Nozzle |
| US20110059255A1 (en) * | 2009-09-08 | 2011-03-10 | Joseph Ogonowski | Method for minimizing emissions while forming a polyurethane foam |
| CN202945344U (en) * | 2012-12-10 | 2013-05-22 | 三门三友冶化技术开发有限公司 | Special spray head for rinsing cathode copper |
| AU2012202010A1 (en) * | 2012-04-04 | 2013-10-24 | Norman Ladson | Water spray nozzle |
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2015
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Patent Citations (7)
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| JPH02174955A (en) * | 1988-12-27 | 1990-07-06 | Alloy Koki Kk | Manufacture of sectorial spray nozzle and core for molding |
| US5046668A (en) * | 1989-04-14 | 1991-09-10 | H. Ikeuchi & Co., Ltd. | Two-fluid nozzle |
| CN201231187Y (en) * | 2008-07-05 | 2009-05-06 | 中国矿业大学 | Foam spray head capable of dedusting below coal mine well |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106824585A (en) * | 2017-01-19 | 2017-06-13 | 高益松 | A kind of foam gun nozzle |
| CN110038739A (en) * | 2019-04-28 | 2019-07-23 | 南京高速齿轮制造有限公司 | The adjustable Lubricating oil nozzle of spray angle |
| CN110038739B (en) * | 2019-04-28 | 2024-04-09 | 南京高速齿轮制造有限公司 | Lubricating oil nozzle with adjustable injection angle |
| CN110496716A (en) * | 2019-09-18 | 2019-11-26 | 宁波太中塑业有限公司 | Eddy current type desulfurization and dust removal showerhead |
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| CN110711650A (en) * | 2019-12-02 | 2020-01-21 | 苏州小科清洁科技有限公司 | a nozzle |
| CN111282733A (en) * | 2020-02-20 | 2020-06-16 | 江苏大学 | A fan-shaped nozzle and spraying method for changing the spray angle by adjusting the notch angle |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Qixin Inventor after: Liu Dongmin Inventor after: Sheng Caoying Inventor after: Jiang Yajun Inventor after: Zhang Yulan Inventor before: Zhang Yulan Inventor before: Qin Fei Inventor before: Li Yuanjun Inventor before: Yang Juntao Inventor before: Liu Dongmin Inventor before: Sheng Caoying Inventor before: Chen Bin |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG YULAN QIN FEI LI YUANJUN YANG JUNTAO LIU DONGMIN SHENG CAOYING CHEN BIN TO: YANG QIXIN LIU DONGMIN SHENG CAOYING JIANG YAJUN ZHANG YULAN |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
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| RJ01 | Rejection of invention patent application after publication |