CN105689169A - Mixing chamber assembly of polyurea spray gun - Google Patents
Mixing chamber assembly of polyurea spray gun Download PDFInfo
- Publication number
- CN105689169A CN105689169A CN201610235549.8A CN201610235549A CN105689169A CN 105689169 A CN105689169 A CN 105689169A CN 201610235549 A CN201610235549 A CN 201610235549A CN 105689169 A CN105689169 A CN 105689169A
- Authority
- CN
- China
- Prior art keywords
- mixing chamber
- chamber assembly
- water conservancy
- conservancy diversion
- mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920002396 Polyurea Polymers 0.000 title claims abstract description 30
- 239000007921 spray Substances 0.000 title abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007592 spray painting technique Methods 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 210000000988 bone and bone Anatomy 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 239000000806 elastomer Substances 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- -1 and meanwhile Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
Landscapes
- Nozzles (AREA)
Abstract
The invention provides a mechanical structure of a mixing chamber assembly of a polyurea spray gun and belongs to the technical field of spray polyurea elastomers. The mixing chamber assembly comprises a first mixing chamber assembly body and a second mixing chamber assembly body. The first mixing chamber assembly body is composed of four material conveying channels and a first mixing chamber. The second mixing chamber assembly body is composed of a second mixing chamber, a flow guide cylinder, four flow guide plates, a sleeve cover, four small screws, a baffle and six big screws. During operation of the spray gun, two components of a polyurea material are conveyed into the first mixing chamber through the material conveying channels for primary head-on collision mixing, instantly a strong chemical reaction occurs, then under the action of high pressure, the material rapidly passes through a flow guide channel to vertically enter the second mixing chamber for secondary head-on collision mixing, and a product generated after a complete chemical reaction is sprayed out. The two components of the polyurea material are subjected to head-on collision mixing twice and mixing in the flow guide channel once, so that the more sufficient reaction of the material is achieved, the mixing effect of the polyurea material is improved, and a better coating can be obtained.
Description
Technical field
The invention belongs to spray Polyurea Elastomer Technology field, relate to the frame for movement of the mixing chamber assembly of a kind of polyureas spray-painting gun。
Background technology
Tradition polyureas spraying is that carbimide component produces to mix shock with amino-compound component (expecting to be called for short with A material, B individually below) in polyureas gun body, realize the mixing of two kinds of components in the moment clashed into, occur chemical reaction to generate a kind of elastomeric material。The mixing of materials of polyureas spray-painting gun general at present adopts the mode of a mixing chamber, two material conveying passages, owing to mixed effect is less high, causes that sprayed surface quality is not good, produces " Pericarpium Citri tangerinae " phenomenon, forms rough surface。
Summary of the invention
It is an object of the invention to solve the problems referred to above, it is provided that a kind of novel polyurea spray-painting gun mixing chamber assembly frame for movement。
The technical solution used in the present invention and operation principle be: the mixing chamber assembly of polyureas spray-painting gun of the present invention includes the first mixing chamber assembly and the second mixing chamber assembly。First mixing chamber assembly is made up of four material conveying passages 11 and the first mixing chamber 12；Second mixing chamber assembly is made up of 3, four deflectors 5 of water conservancy diversion cylinder the 1, second mixing chamber, upper shield 7, six big screws 8 of 6, four flow-guiding channels, baffle plate 9 and four Screws 10。This main Mixed Zone of polyureas spray-painting gun is three regions: the first mixing chamber impingement region, guiding region, the second mixing chamber impingement region。Polyureas spray-painting gun provides power by motor or hydraulic pump, when spraying operation, two kinds of components of polyurea materials are conveyed into the first mixing chamber by the material conveying passage that four diameters are 6mm to carry out first time and vertically clashes mixing, there is violent chemical reaction in moment, then material runs through the flow-guiding channel that four diameters are 5mm in the second mixing chamber under the effect of high pressure and carries out second time vertically into the second mixing chamber and vertically clash mixing, after again there is chemical reaction, sprayed by spray outlet rapid atomization, wherein enter the fluid of flow-guiding channel due to the sharply change of pressure from the first mixing chamber, cause the fluid generation turbulent motion entering flow-guiding channel, mail to violent mixing。
The technical scheme that the present invention proposes provides the benefit that:
First, the mixing chamber assembly of polyureas spray-painting gun of the present invention includes the first mixing chamber assembly and the second mixing chamber assembly。Two kinds of components of polyurea materials are through violent twice head-on collision mixing and the violent mixing in flow-guiding channel so that material is reacted more fully, improves polyurea materials mixed effect to the coating of high-quality more。
Second, during mixing chamber assembly Design of Mechanical Structure, fully take into account processing technique so that mixing chamber assembly reasonable mechanical structure, easy to process。
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Fig. 1 is the polyureas spray-painting gun general assembly drawing sectional view of the present invention；
Fig. 2 is the second mixing chamber assemble cross-section of the polyureas spray-painting gun of the present invention；
Fig. 3 is the second mixing chamber assembly explosive view of the polyureas spray-painting gun of the present invention；
In figure, 1 is water conservancy diversion cylinder；2 is material outlet；3 is the second mixing chamber；4 is four material inlets；5 is four deflectors；6 is upper shield；7 is four flow-guiding channels；8 is six big screws；9 is baffle plate；10 is four Screws；11 is four material connectors；12 is the first mixing chamber。
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear being fully described by。
As it is shown in figure 1, can to the concrete structure of the mixing chamber of polyureas spray-painting gun and coordinate with spray gun describe clear and intuitive。First mixing chamber assembly is made up of four material conveying passages and the first mixing chamber 12。Wherein, four material conveying passages are respectively within four materials connect 11。Material connector 11 and gun body adopt threaded。During spray gun work, polyurea materials is conveyed into the first mixing chamber 12 by the material conveying passage that four diameters are 6mm and carries out vertically clashing for the first time mixing。
As shown in Figure 2,3, the second mixing chamber assembly of polyureas spray-painting gun is made up of 3, four deflectors 5 of water conservancy diversion cylinder the 1, second mixing chamber, upper shield 7, six big screws 8 of 6, four flow-guiding channels, baffle plate 9 and four Screws 10。Water conservancy diversion cylinder 1 diameter is 20mm, and length is 17.1mm, and four flow-guiding channels 7 of indoor design, internal diameter is 5mm。In flow-guiding channel, design the curve of two cylindrical shapes, be conducive to material to circulate in flow-guiding channel more smooth and easy, connect oblique material inlet 4, straightway respectively and be perpendicular to the material outlet 2 of the second mixing chamber 3 axis。Process groove in the middle part of flow-guiding channel, for ease of processing flow-guiding channel curve place, material inlet 4 and material outlet 2, and have the matched installation of deflector 5 of formed objects so that be internal, external cylinder transition is round and smooth。Water conservancy diversion cylinder 1 connects the first mixing chamber 12 place and processes cylinder groove, be conducive to material more to rapidly enter in water conservancy diversion cylinder 1 after the first mixing chamber 12 vertically clashes mixing。The axis angle of the axis of material inlet 4 and the first mixing chamber 12 is 60 °。Second mixing chamber impingement mix district diameter is 7.16mm, the axis of four material outlets 2 is perpendicular to the axis of the second mixing chamber 3, there is second time vertical direction toward impact mixing via material outlet 2 in material, sufficient chemical reaction quickly occurs in the second mixing chamber 3 after spraying。Four flow-guiding channel in 90 ° circles mutual relative to the axis of water conservancy diversion cylinder 1 in water conservancy diversion cylinder 1 are put, and shape size is identical。
Further, upper shield 6 external diameter is 45mm, and internal diameter is 20mm, and outside and gun body coordinates to be installed, and internal and water conservancy diversion cylinder 1 coordinates to be installed。On front side of upper shield 6, baffle plate and upper shield 6 are integrated, and output material outlet on the baffle plate of front side, and it designs two cylinder boss, and sealing ring installed above, is for coordinating installation with shower nozzle, to ensure to seal。It is fast that upper shield 6 opposite side designs a location, cross section trapezoidal shape, coordinate with gun body and can ensure that upper shield 6 does not rotate during installation, the projection that on it, design is connected with gun body pressure-air simultaneously, through baffle plate 9, when coordinating installation with gun body, projection is installed seal washer, it is inserted in gun body high air pressure passages, under axial force effect, it is ensured that pressure-air is not revealed。
Further, baffle plate 9 external diameter is 45mm, internal diameter is 9.9mm, interior bone connects material the first mixing chamber 12 and water conservancy diversion cylinder 1 material inlet respectively, baffle plate 9 designs circumference two and arranges screwed hole, four screwed hole diameters that six screwed hole diameters that outer ring is got are got more than inner ring, the through hole making locating piece and pressure-air project through that design simultaneously and upper shield 6 coordinate。
Further, during installation, first water conservancy diversion cylinder 1 and baffle plate 9 are fixed by four Screws 10；Again four deflectors 5 are installed on water conservancy diversion cylinder 1, are installed in upper shield 6 with water conservancy diversion cylinder 1；Rear upper shield 6 is fixed by six big screws 8 with baffle plate 9。This installation method ensure that the sealing of pressure-air and material, and meanwhile, water conservancy diversion cylinder 1 will not rotate under the impact of high-pressure material。
Material rapidly enters the second mixing chamber after the first mixing chamber impingement mix, flow through the cylindrical material inlet 4 of four formed objects, four fluid streams enter the second mixing chamber 3 through four flow-guiding channels 7, vertically clash to the direction, axis being perpendicular to spray gun mixing chamber in the second mixing chamber 3 mixing, moment in mixing, again there is more acutely chemical reaction in unreacted A, B material completely, material is reacted more fully, spray by by nozzle, improve polyurea materials mixed effect, obtain the coating of high-quality more。
Further, wherein enter the fluid of flow-guiding channel from the first mixing chamber due to the sharply change of pressure, cause the fluid generation turbulent motion entering flow-guiding channel, mail to violent mixing。
More excellent, it is possible to inside upper shield 6, can be designed that triangular hill, outside water conservancy diversion cylinder 1, design correspondingly sized groove, coordinate and can ensure that water conservancy diversion cylinder 1 is more firm after installing。
Further, the mixed structure of the polyureas spray-painting gun of the present invention only devises two groups of (four) material conveying passages and two groups of (four) material diversion passages, but the material conveying passage of the present invention, material diversion passage are individually not limited to two groups of (four) passages, the distribution situation of diameter and passage by designing passage, can design and organize material channel more, to increase the effect of impingement mix。
Further, the present invention is applicable not only to the spray-painting gun of polyurea materials, and all the other require that the spray-painting gun that the double-component mixing in gun body, quickly reacting mixes is all applicable。
Although the preferred embodiments of the present invention being described above in association with accompanying drawing; but the invention is not restricted to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is merely schematic rather than determinate; those of ordinary skill in the art is under the enlightenment of the present invention; under the premise without prejudice to the objective of the present invention and claim; can making and representing like multiple types, such conversion each falls within protection scope of the present invention。
Claims (9)
1. a mixing chamber assembly for polyureas spray-painting gun, including the first mixing chamber assembly and and the second mixing chamber assembly, material can be made to perform twice at vertical direction toward impact hybrid reaction；First mixing chamber assembly is made up of four material conveying passages (11) and the first mixing chamber (12)；Second mixing chamber assembly is made up of water conservancy diversion cylinder (1), the second mixing chamber (3), four deflectors (5), upper shield (6), four flow-guiding channels (7), six big screws (8), baffle plate (9) and four Screws (10)。
2. four material conveying passages (11) according to claim 1, it is characterised in that diameter is 6mm。
3. water conservancy diversion cylinder (1) according to claim 1, it is characterised in that diameter is 20mm, and length is 17.1mm, four flow-guiding channels (7) described in indoor design。
4. four flow-guiding channels (7) according to claim 3, it is characterized in that in described water conservancy diversion cylinder (1) the mutual circle in 90 ° in axis relative to described water conservancy diversion cylinder (1) is put, shape size is identical, internal diameter is 5mm, middle part processes groove, the curve of two cylindrical shapes of indoor design, connects oblique material inlet (4), straightway respectively and is perpendicular to the material outlet (2) of described second mixing chamber (3) axis。
5. material inlet according to claim 3 (4), it is characterised in that axis and described first mixing chamber (12) axis angle are 60 °。
6. the second mixing chamber (3) described in claim 1, it is characterised in that impingement mix district diameter is 7.16mm, axis is perpendicular to the axis of described four material outlets (2)。
7. the upper shield (6) described in claim 1, it is characterised in that external diameter is 45mm, and internal diameter is 20mm, outside and gun body coordinates to be installed, and internal and described water conservancy diversion cylinder (1) coordinates installs；Front side baffle plate is outputed material outlet, and designs two the cylinder boss installed with shower nozzle cooperation, sealing ring installed above；It is fast that opposite side designs a location, cross section trapezoidal shape；The projection that on it, design is connected with gun body pressure-air simultaneously, through described baffle plate (9), when coordinating installation with gun body, projection is installed seal washer, is inserted in gun body high air pressure passages。
8. the baffle plate (9) described in claim 1, it is characterised in that external diameter is 45mm, and internal diameter is 9.9mm, interior bone connects the first mixing chamber (12) described in material and described water conservancy diversion cylinder (1) material inlet respectively；It designs circumference two and arranges screwed hole, four screwed hole diameters that six screwed hole diameters that outer ring is got are got more than inner ring；The through hole making described locating piece and described pressure-air project through that design and described upper shield (6) coordinate simultaneously。
9. the second mixing chamber assembly according to claim 1, it is characterised in that during installation, is first fixed described water conservancy diversion cylinder (1) by described four Screws (10) with described baffle plate (9)；Again described four deflectors (5) are installed on described water conservancy diversion cylinder (1), are installed in described upper shield (6) with described water conservancy diversion cylinder (1)；Rear described upper shield (6) is fixed by described six big screws (8) with described baffle plate (9)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235549.8A CN105689169A (en) | 2016-04-15 | 2016-04-15 | Mixing chamber assembly of polyurea spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610235549.8A CN105689169A (en) | 2016-04-15 | 2016-04-15 | Mixing chamber assembly of polyurea spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105689169A true CN105689169A (en) | 2016-06-22 |
Family
ID=56216781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610235549.8A Pending CN105689169A (en) | 2016-04-15 | 2016-04-15 | Mixing chamber assembly of polyurea spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105689169A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110603107A (en) * | 2017-05-01 | 2019-12-20 | 瓦格纳喷涂技术有限公司 | Mixer design for multi-component systems |
| CN114210529A (en) * | 2021-11-17 | 2022-03-22 | 清华大学 | Polyurea-metal-polyurea composite structure capable of improving bulletproof and explosion-proof performance and preparation method thereof |
| WO2023123766A1 (en) * | 2021-12-31 | 2023-07-06 | 武汉中仪物联技术股份有限公司 | Spray head device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451129A (en) * | 1987-08-19 | 1989-02-27 | Nordson Kk | Method and apparatus for mixing of liquids and delivery of ejection of their mixture |
| US20070262169A1 (en) * | 2006-05-01 | 2007-11-15 | Chia Chung Precision Industrial Co., Ltd. | Spray head structure of a spray gun |
| US20090272376A1 (en) * | 2007-10-31 | 2009-11-05 | Mahoney Derek J | Nebulizer having a high efficiency impactor |
| CN102958590A (en) * | 2010-06-29 | 2013-03-06 | 克劳斯玛菲科技有限公司 | Spray nozzle for metering substances into a reactive mixture |
| CN102962151A (en) * | 2012-12-14 | 2013-03-13 | 北京信息科技大学 | Hybrid spraying out-gun mixing chamber with adjustable wet and dry separating proportion |
| JP2015078775A (en) * | 2013-10-15 | 2015-04-23 | 三菱日立パワーシステムズ株式会社 | Spray nozzle and combustion system with spray nozzle |
| CN206199536U (en) * | 2016-04-15 | 2017-05-31 | 东北林业大学 | A kind of mixing chamber component of polyureas spray-painting gun |
-
2016
- 2016-04-15 CN CN201610235549.8A patent/CN105689169A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6451129A (en) * | 1987-08-19 | 1989-02-27 | Nordson Kk | Method and apparatus for mixing of liquids and delivery of ejection of their mixture |
| US20070262169A1 (en) * | 2006-05-01 | 2007-11-15 | Chia Chung Precision Industrial Co., Ltd. | Spray head structure of a spray gun |
| US20090272376A1 (en) * | 2007-10-31 | 2009-11-05 | Mahoney Derek J | Nebulizer having a high efficiency impactor |
| CN102958590A (en) * | 2010-06-29 | 2013-03-06 | 克劳斯玛菲科技有限公司 | Spray nozzle for metering substances into a reactive mixture |
| CN102962151A (en) * | 2012-12-14 | 2013-03-13 | 北京信息科技大学 | Hybrid spraying out-gun mixing chamber with adjustable wet and dry separating proportion |
| JP2015078775A (en) * | 2013-10-15 | 2015-04-23 | 三菱日立パワーシステムズ株式会社 | Spray nozzle and combustion system with spray nozzle |
| CN206199536U (en) * | 2016-04-15 | 2017-05-31 | 东北林业大学 | A kind of mixing chamber component of polyureas spray-painting gun |
Non-Patent Citations (1)
| Title |
|---|
| 徐成;季小强;陈艳征;: "NTC型烟气管道喷雾降温装置的设计和应用" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110603107A (en) * | 2017-05-01 | 2019-12-20 | 瓦格纳喷涂技术有限公司 | Mixer design for multi-component systems |
| US11213840B2 (en) | 2017-05-01 | 2022-01-04 | Wagner Spray Tech Corporation | Mixer design for a plural component system |
| CN110603107B (en) * | 2017-05-01 | 2022-07-01 | 瓦格纳喷涂技术有限公司 | Mixer design for multi-component systems |
| CN114210529A (en) * | 2021-11-17 | 2022-03-22 | 清华大学 | Polyurea-metal-polyurea composite structure capable of improving bulletproof and explosion-proof performance and preparation method thereof |
| WO2023123766A1 (en) * | 2021-12-31 | 2023-07-06 | 武汉中仪物联技术股份有限公司 | Spray head device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160622 |
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