CN103817054B - Electrostatic spraying coating equipment - Google Patents
Electrostatic spraying coating equipment Download PDFInfo
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- CN103817054B CN103817054B CN201410105817.5A CN201410105817A CN103817054B CN 103817054 B CN103817054 B CN 103817054B CN 201410105817 A CN201410105817 A CN 201410105817A CN 103817054 B CN103817054 B CN 103817054B
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Abstract
The invention provides a kind of electrostatic spraying coating equipment, belong to spraying equipment technical field.It solve prior art powder delivery uneven, the technical problem of spraying effect difference.It comprises coating machine, compressed air system and spray finishing material storage tank, shower head mechanism is provided with in coating machine, compressed air system connects shower head mechanism, spray finishing material storage tank material conveying mechanism connects shower head mechanism, also comprise gas-solid mixer, described gas-solid mixer comprises the powder feed space that inside has cavity, and described powder feed space one end is provided with charging aperture, the dismountable connection mixing chamber of the other end, the sidewall of powder feed space is provided with the first air inlet etc.The powder entering coating machine can be carried out sufficient gas-solid mixing by the present invention in advance, and oarse-grained powder is fully dispersed as short grained powder, thus improves coating quality.
Description
Technical field
The invention belongs to spraying equipment technical field, relate to a kind of electrostatic spraying coating equipment.
Background technology
Electrostatic powder coating technology is the new application techniques of of developing rapidly in recent years, its feature is that the recyclable recycling of the easy powder of economize energy non-pollution technology easily realizes automation, and attractive coat is beautiful, sturdy and durable, become the developing direction that paint industry is new.
In electrostatic powder coating operation, need powder compressed air to be sent in spraying equipment, in atmosphere, by Electrostatic Absorption on section bar, therefore, the powder in spraying equipment is more even, then spraying effect is better for the powder floats in spraying equipment.
Powder negative pressure is normally drawn in pipeline by prior art, then compressed air is filled with at pipeline, by compressed-air actuated malleation, powder is transported in spraying equipment, technical process is fairly simple, but the uniformity entering the powder in spraying equipment cannot ensure, thus the quality of impact spraying.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide one can improve the powder uniformity, thus improve the electrostatic spraying coating equipment of coating quality.
For achieving the above object, present invention employs following technical proposal:
A kind of electrostatic spraying coating equipment, comprise coating machine, compressed air system and spray finishing material storage tank, shower head mechanism is provided with in coating machine, compressed air system connects shower head mechanism, and spray finishing material storage tank material conveying mechanism connects shower head mechanism, also comprises gas-solid mixer, described gas-solid mixer comprises the powder feed space that inside has cavity, described powder feed space one end is provided with charging aperture, the dismountable connection mixing chamber of the other end, and the sidewall of powder feed space is provided with the first air inlet; Described mixing chamber inside has cavity and be provided with discharging opening on sidewall, the other end of described mixing chamber also connects the pressure-applying unit that an inside has cavity, the sidewall of described pressure-applying unit is provided with the second air inlet and the cavity of the cavity connects mixing chamber inside of pressure-applying unit inside, described compressed air system connects the first air inlet and the second air inlet, described charging aperture connects material conveying mechanism, and described discharging opening connects shower head mechanism.
In above-mentioned electrostatic spraying coating equipment, the two-stage pressurizing room that described pressure-applying unit comprises one-level compression chamber and removably connects with one-level compression chamber, the sidewall of described one-level compression chamber is provided with the second air inlet, the sidewall of described two-stage pressurizing room is provided with the 3rd air inlet, described two-stage pressurizing room and mixing chamber removably connect, and the 3rd described air inlet connects compressed air system.
In above-mentioned electrostatic spraying coating equipment, described inside, one-level compression chamber has spiral cavity, and the cross section of this cavity reduces gradually to the direction of mixing chamber, described mixing chamber inside has spiral cavity, and the cross section of this cavity reduces gradually to the direction of powder feed space.
In above-mentioned electrostatic spraying coating equipment, the first described air inlet and the 3rd air inlet are respectively provided with a check valve, the second described air inlet and discharging opening are respectively provided with a muffler.
In above-mentioned electrostatic spraying coating equipment, the first described air inlet and the 3rd air inlet are respectively provided with the bend pipe of one 90 °, the bend pipe one end being wherein located at the first air inlet connects check valve, the other end extends to the inner and direction towards charging aperture of powder feed space and bends, be located at bend pipe one end on the 3rd air inlet and connect check valve, the other end extends to two-stage pressurizing chamber interior and direction towards mixing chamber bends.
In above-mentioned electrostatic spraying coating equipment, described coating machine is also connected with dedusting mechanism.
In above-mentioned electrostatic spraying coating equipment, be also provided with wiper mechanism in described coating machine, described wiper mechanism is provided with spray head and magnetic valve.
Compared with prior art, the invention has the advantages that:
1, the powder entering coating machine can be carried out sufficient gas-solid mixing in advance, oarse-grained powder is fully dispersed as short grained powder, thus improve coating quality.
2, the dust in coating equipment can be sieved, reduce the content of powder entering into deduster, the qualified powder after screening is directly put in coating equipment and is reused, and reduces Material Cost, improves operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention;
Fig. 2 is the structural representation of gas-solid mixer of the present invention
Fig. 3 is the structural representation of two-stage pressurizing room of the present invention;
Fig. 4 is the structural representation of powder feed space of the present invention.
In figure, compressed air system 101, spray finishing material storage tank 102, material conveying mechanism 103, dedusting mechanism 2, deduster 21, cyclone separator 22, dust removing tube 23, powder filter mechanism 24, material return mechanism 25, gas-solid mixer 3, powder feed space 31, charging aperture 311, first air inlet 312, mixing chamber 32, discharging opening 321, pressure-applying unit 33, second air inlet 331, one-level compression chamber 34, two-stage pressurizing room 35, 3rd air inlet 351, check valve 36, bend pipe 37, muffler 38, coating machine 40, shower head mechanism 41, wiper mechanism 5, spray head 51, magnetic valve 52.
Detailed description of the invention
As Figure 1-4, a kind of electrostatic spraying coating equipment, comprise coating machine 40, compressed air system 101 and spray finishing material storage tank 102, shower head mechanism 41 is provided with in coating machine 40, compressed air system 101 connects shower head mechanism 41, spray finishing material storage tank 102 material conveying mechanism 103 connects shower head mechanism 41, also comprise gas-solid mixer 3, described gas-solid mixer 3 comprises the powder feed space 31 that inside has cavity, described powder feed space 31 one end is provided with charging aperture 311, the dismountable connection mixing chamber 32 of the other end, in the present embodiment, dismountable connection adopts Flange joint, the sidewall of powder feed space 31 is provided with the first air inlet 312, described mixing chamber 32 inside has cavity and on sidewall, is provided with discharging opening 321, the other end of described mixing chamber 32 also connects the pressure-applying unit 33 that an inside has cavity, the sidewall of described pressure-applying unit 33 is provided with the second air inlet 331 and the cavity of cavity connects mixing chamber 32 inside of pressure-applying unit 33 inside, described compressed air system 101 connects the first air inlet 312, described charging aperture 311 connects material conveying mechanism 103, and described discharging opening 321 connects shower head mechanism 41.
Operationally, powder resin powder or powder are stored in spray finishing material storage tank 102, by the usual chosen axis flow fan of material conveying mechanism 103() enter into powder feed space 31 inside from charging aperture 311, compressed air system 101(selects air compressor usually) produce compressed air, compressed air is passed in the first air inlet 312, gas-solid mixture is formed after powder and compressed air mixing, enter in mixing chamber 32, the second air inlet 331 on pressure-applying unit 33 also passes into compressed air, secondary mixing is carried out to the gas-solid mixture in mixing chamber 32, thus make mixing evenly, mixed gas-solid mixture is discharged from discharging opening 321.It should be noted that, the compressed air pressure on the second air inlet 331 is greater than the compressed air pressure equaled on the first air inlet 312, thus ensures that compressed air flows toward the direction of mixing chamber 32.
The two-stage pressurizing room 35 that pressure-applying unit 33 comprises one-level compression chamber 34 and removably connects with one-level compression chamber 34, the sidewall of described one-level compression chamber 34 is provided with the second air inlet 331, the sidewall of described two-stage pressurizing room 35 is provided with the 3rd air inlet 351, this compressed-air actuated pressure is also greater than the pressure of the first air inlet 312, described two-stage pressurizing room 35 removably connects with mixing chamber 32, and the second described air inlet 331 is connected compressed air system 101 with the 3rd air inlet 351.
Inside, one-level compression chamber 34 has spiral cavity, and the cross section of this cavity reduces gradually to the direction of mixing chamber 32, and described mixing chamber 32 inside has spiral cavity, and the cross section of this cavity reduces gradually to the direction of powder feed space 31.
First air inlet 312 and the 3rd air inlet 351 are respectively provided with a check valve 36, check valve 36 prevents compressed air from refluxing, the second described air inlet 331 and discharging opening 321 are respectively provided with a muffler 38, muffler 38 plays the effect reducing noise, thus makes the present invention in use can not produce noise pollution.
First air inlet 312 and the 3rd air inlet 351 are respectively provided with the bend pipe 37 of one 90 °, bend pipe 37 one end being wherein located at the first air inlet 312 connects check valve 36, the other end extends to the inner and direction towards charging aperture 311 of powder feed space 31 and bends, in the present embodiment, the exit of this bend pipe 37 and the central axis of powder feed space 31, that is, the air outlet of bend pipe 37 directly blows to charging aperture 311, makes powder enter powder feed space 31 and is namely atomized; Bend pipe 37 one end be located on the 3rd air inlet 351 connects check valve 36, the other end extends to inner and direction towards mixing chamber 32, two-stage pressurizing room 35 and bends, the air outlet of this bend pipe 37 directly blows to mixing chamber 32, carries out secondary-atomizing to the powder in mixing chamber 32.After twice atomization, powder basically forms uniform gas-solid mixture.
Above-mentioned powder feed space 31, mixing chamber 32, pressure-applying unit 33 inside all have cavity, and obviously, cavity can be various shape, in actual applications with cylindrical in the majority, are easier to processing because cylindrical.In the present embodiment, inside, one-level compression chamber 34 has spiral cavity, and the cross section of this cavity reduces gradually to the direction of mixing chamber 32, mixing chamber 32 inside has spiral cavity, and the cross section of this cavity reduces gradually to the direction of powder feed space 31.Spiral cavity gives air spiral flow direction, and therefore the principle of similar cyclone forms a kind of suction to powder, then is blown by compressed-air actuated malleation, forms crossing of negative pressure and malleation, thus reach gas-solid mixing evenly effect.
The present invention, by installing mixing chamber 32 on powder feed space 31, on mixing chamber 32, pressure-applying unit 33 is installed again, makes the combination drive forming upper and lower two strands of pressure in mixing chamber 32, abundant stirring action is played to pressed powder, therefore mixing evenly, very be suitable for coating equipment, through the mixed material of this gas-solid mixer, the content of material in gas is even, be applicable to application, the uniformity of application can be improved.
Coating machine 40 is also connected with dedusting mechanism 2, described dedusting mechanism 2 comprises deduster 21, described deduster 21 connects cyclone separator 22, the upper portion side wall of described cyclone separator 22 is communicated with coating equipment inside by dust removing tube 23, the bottom of cyclone separator 22 connects the powder filter mechanism 24 sieving powdered rubber, also comprise material return mechanism 25, it is inner that described material return mechanism 25 one end connects powder filter mechanism 24, other end coating machine 40 is inner, and material return mechanism 25 powder filter mechanism 24 can be sieved after powder to be drawn into coating machine 40 inner.
Dedusting mechanism 2 operationally, deduster 21 provides negative pressure, deduster 21 can select electrostatic precipitator, dust is drawn in cyclone separator 22 by dust removing tube 23 and is separated by negative pressure, the dust that particle is thinner enters into deduster 21, the dust that can recycle that particle is larger is then deposited to bottom cyclone separator 22, enter into powder filter mechanism 24 afterwards to sieve, toner after screening is the material that can recycle, be sent in coating machine 40 by material return mechanism 25 and again come into operation, thus realize the collection of dust, be separated, waste material reuse settles the technique of formula at one go.
Also be provided with wiper mechanism 5 in coating machine 40, described wiper mechanism 5 is provided with spray head 51 and magnetic valve 52, and magnetic valve 52 can connect high-pressure water pipe, when magnetic valve 52 is opened, water sprays from spray head 51, cleans coating machine 40, thus realizes the effect that CIP cleans incumbent firms.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ compressed air system 101 herein, spray finishing material storage tank 102, material conveying mechanism 103, dedusting mechanism 2, deduster 21, cyclone separator 22, dust removing tube 23, powder filter mechanism 24, material return mechanism 25, powder feed space 31, charging aperture 311, first air inlet 312, mixing chamber 32, discharging opening 321, pressure-applying unit 33, second air inlet 331, one-level compression chamber 34, two-stage pressurizing room 35, 3rd air inlet 351, check valve 36, bend pipe 37, muffler 38, coating machine 40, shower head mechanism 41, wiper mechanism 5, spray head 51, term such as magnetic valve 52 grade, but do not get rid of the possibility using other term.Use these terms to be only used to describe and explain essence of the present invention more easily, the restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (7)
1. an electrostatic spraying coating equipment, comprise coating machine (40), compressed air system (101) and spray finishing material storage tank (102), shower head mechanism (41) is provided with in coating machine (40), compressed air system (101) connects shower head mechanism (41), spray finishing material storage tank (102) material conveying mechanism (103) connects shower head mechanism (41), it is characterized in that, also comprise gas-solid mixer (3), described gas-solid mixer (3) comprises the powder feed space (31) that inside has cavity, described powder feed space (31) one end is provided with charging aperture (311), the dismountable connection mixing chamber (32) of the other end, the sidewall of powder feed space (31) is provided with the first air inlet (312), described mixing chamber (32) inside has cavity and on sidewall, is provided with discharging opening (321), the other end of described mixing chamber (32) also connects the pressure-applying unit (33) that an inside has cavity, the sidewall of described pressure-applying unit (33) is provided with the second air inlet (331) and the cavity of cavity connects mixing chamber (32) inside of pressure-applying unit (33) inside, described compressed air system (101) connects the first air inlet (312) and the second air inlet (331), described charging aperture (311) connects material conveying mechanism (103), described discharging opening (321) connects shower head mechanism (41).
2. electrostatic spraying coating equipment according to claim 1, it is characterized in that, the two-stage pressurizing room (35) that described pressure-applying unit (33) comprises one-level compression chamber (34) and removably connects with one-level compression chamber (34), the sidewall of described one-level compression chamber (34) is provided with the second air inlet (331), the sidewall of described two-stage pressurizing room (35) is provided with the 3rd air inlet (351), described two-stage pressurizing room (35) and mixing chamber (32) removably connect, and the 3rd described air inlet (351) connects compressed air system (101).
3. electrostatic spraying coating equipment according to claim 2, it is characterized in that, described one-level compression chamber (34) inside has spiral cavity, and the cross section of this cavity reduces gradually to the direction of mixing chamber (32), described mixing chamber (32) inside has spiral cavity, and the cross section of this cavity reduces gradually to the direction of powder feed space (31).
4. the electrostatic spraying coating equipment according to Claims 2 or 3, it is characterized in that, described the first air inlet (312) and the 3rd air inlet (351) are respectively provided with a check valve (36), described the second air inlet (331) and discharging opening (321) are respectively provided with a muffler (38).
5. electrostatic spraying coating equipment according to claim 4, it is characterized in that, described the first air inlet (312) and the 3rd air inlet (351) are respectively provided with the bend pipe (37) of one 90 °, bend pipe (37) one end being wherein located at the first air inlet (312) connects check valve (36), the other end extends to the inner and direction towards charging aperture (311) of powder feed space (31) and bends, bend pipe (37) one end be located on the 3rd air inlet (351) connects check valve (36), the other end extends to inner and direction towards mixing chamber (32), two-stage pressurizing room (35) and bends.
6. the electrostatic spraying coating equipment according to claim 1 or 2 or 3, is characterized in that, described coating machine (40) is also connected with dedusting mechanism (2).
7. the electrostatic spraying coating equipment according to claim 1 or 2 or 3, is characterized in that, is also provided with wiper mechanism (5) in described coating machine (40), and described wiper mechanism (5) is provided with spray head (51) and magnetic valve (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105817.5A CN103817054B (en) | 2014-03-20 | 2014-03-20 | Electrostatic spraying coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105817.5A CN103817054B (en) | 2014-03-20 | 2014-03-20 | Electrostatic spraying coating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103817054A CN103817054A (en) | 2014-05-28 |
| CN103817054B true CN103817054B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410105817.5A Active CN103817054B (en) | 2014-03-20 | 2014-03-20 | Electrostatic spraying coating equipment |
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| CN (1) | CN103817054B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716153A (en) * | 2017-10-24 | 2018-02-23 | 浙江德清龙立红旗制药机械有限公司 | Explosion-proof type duster |
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| US6694914B2 (en) * | 2001-04-10 | 2004-02-24 | Cfs Bakel B.V. | Air unit for the removal of particulate material |
| CN201055839Y (en) * | 2007-04-30 | 2008-05-07 | 徐州正菱涂装有限公司 | Static electricity spraying device for powder paint on internal wall of steel tube |
| CN202539043U (en) * | 2012-03-19 | 2012-11-21 | 浙江菲达通球环保管业有限公司 | Automatic powder filling device with flange steel-plastic composite pipe |
| CN202845281U (en) * | 2012-09-26 | 2013-04-03 | 厦门鑫科钛自动化设备有限公司 | Dusting machine |
| CN203853247U (en) * | 2014-03-20 | 2014-10-01 | 浙江明泉工业涂装有限公司 | Electrostatic spraying painting equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19611533B4 (en) * | 1996-03-23 | 2005-11-03 | Itw Gema Ag | Device for powder coating |
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2014
- 2014-03-20 CN CN201410105817.5A patent/CN103817054B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6694914B2 (en) * | 2001-04-10 | 2004-02-24 | Cfs Bakel B.V. | Air unit for the removal of particulate material |
| CN201055839Y (en) * | 2007-04-30 | 2008-05-07 | 徐州正菱涂装有限公司 | Static electricity spraying device for powder paint on internal wall of steel tube |
| CN202539043U (en) * | 2012-03-19 | 2012-11-21 | 浙江菲达通球环保管业有限公司 | Automatic powder filling device with flange steel-plastic composite pipe |
| CN202845281U (en) * | 2012-09-26 | 2013-04-03 | 厦门鑫科钛自动化设备有限公司 | Dusting machine |
| CN203853247U (en) * | 2014-03-20 | 2014-10-01 | 浙江明泉工业涂装有限公司 | Electrostatic spraying painting equipment |
Non-Patent Citations (1)
| Title |
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| 粉末静电喷涂工艺;侯猛;《现代涂料与涂装》;20040430(第2期);第32-34页 * |
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| CN103817054A (en) | 2014-05-28 |
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