CN103831185B - For the gas-solid mixer of coating equipment - Google Patents
For the gas-solid mixer of coating equipment Download PDFInfo
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- CN103831185B CN103831185B CN201410104355.5A CN201410104355A CN103831185B CN 103831185 B CN103831185 B CN 103831185B CN 201410104355 A CN201410104355 A CN 201410104355A CN 103831185 B CN103831185 B CN 103831185B
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- Prior art keywords
- air inlet
- cavity
- mixing chamber
- powder feed
- gas
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- 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
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0491—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid the liquid and the gas being mixed at least twice along the flow path of the liquid
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Abstract
The invention provides a kind of gas-solid mixer for coating equipment, belong to spraying equipment technical field.It solve the uniformity that prior art enters the powder in spraying equipment cannot ensure, thus the technical problem of the quality of impact spraying.It comprises connect powder feed mechanism and inside has the powder feed space of 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, and 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.The present invention the powder of coating equipment can carry out sufficient gas-solid mixing in advance, thus improves coating quality.
Description
Technical field
The invention belongs to spraying equipment technical field, relate to a kind of gas-solid mixer for 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 gas-solid mixer for coating equipment of coating quality.
For achieving the above object, present invention employs following technical proposal: a kind of gas-solid mixer for coating equipment, comprise connect powder feed mechanism and inside has the powder feed space of cavity, 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; 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, and 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.
Above-mentioned in the gas-solid mixer of 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, and described two-stage pressurizing room and mixing chamber removably connect.
Above-mentioned in the gas-solid mixer of 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.
Above-mentioned in the gas-solid mixer of coating equipment, the first described air inlet and the 3rd air inlet be respectively provided with a check valve, the second described air inlet and discharging opening are respectively provided with a muffler.
Above-mentioned in the gas-solid mixer of 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.
Compared with prior art, the invention has the advantages that: the powder entering coating equipment can be carried out sufficient gas-solid mixing in advance, oarse-grained powder is fully dispersed as short grained powder, thus improve coating quality.
Accompanying drawing explanation
Fig. 1 is structural representation provided by the invention;
Fig. 2 is the structural representation of two-stage pressurizing room of the present invention;
Fig. 3 is the structural representation of powder feed space of the present invention.
In figure, 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, the 3rd air inlet 351, check valve 36, bend pipe 37, muffler 38.
Detailed description of the invention
As Figure 1-3, a kind of gas-solid mixer for coating equipment, comprise connect powder feed mechanism and inside has the powder feed space 31 of 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, powder feed mechanism can adopt the mode of negative-pressure suction to carry out, and 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, and 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.
Operationally, it is inner that powder enters into powder feed space 31 by powder feeding mechanism from charging aperture 311, compressed air is passed in first air inlet 312, gas-solid mixture is formed by 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, carries out secondary mixing 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 351,3rd air inlet 351 also connects compressed air, this compressed-air actuated pressure is also greater than the pressure of the first air inlet 312, and described two-stage pressurizing room 35 removably connects with mixing chamber 32.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.
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 the terms such as 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, the 3rd air inlet 351, check valve 36, bend pipe 37, muffler 38 herein, 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 (5)
1. the gas-solid mixer for coating equipment, it is characterized in that, comprise connect powder feed mechanism and inside has the powder feed space (31) of 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, and 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.
2. the gas-solid mixer for 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), and described two-stage pressurizing room (35) and mixing chamber (32) removably connect.
3. the gas-solid mixer for 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 gas-solid mixer for 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. the gas-solid mixer for 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410104355.5A CN103831185B (en) | 2014-03-20 | 2014-03-20 | For the gas-solid mixer of coating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410104355.5A CN103831185B (en) | 2014-03-20 | 2014-03-20 | For the gas-solid mixer of coating equipment |
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| CN103831185A CN103831185A (en) | 2014-06-04 |
| CN103831185B true CN103831185B (en) | 2016-03-02 |
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| CN201410104355.5A Active CN103831185B (en) | 2014-03-20 | 2014-03-20 | For the gas-solid mixer of coating equipment |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104307797A (en) * | 2014-09-20 | 2015-01-28 | 张家港市胜达钢绳有限公司 | Device for removing liquid on surface of steel wire |
| CN104801231B (en) * | 2015-04-29 | 2017-05-24 | 浙江德清龙立红旗制药机械有限公司 | magnesium stearate powder mixing mechanism |
| CN104801227B (en) * | 2015-04-29 | 2017-06-30 | 浙江德清龙立红旗制药机械有限公司 | Magnesium stearate feeds hybrid system |
| CN104785400B (en) * | 2015-04-29 | 2017-06-30 | 浙江德清龙立红旗制药机械有限公司 | Tablet press machine magnesium stearate powder spraying machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4184771A (en) * | 1978-08-24 | 1980-01-22 | Geosource Inc. | Centrifugal mud mixer |
| FR2662619B1 (en) * | 1990-06-05 | 1993-02-05 | Inst Francais Du Petrole | CO-CURRENT CYCLONIC MIXER-SEPARATOR AND ITS APPLICATIONS. |
| CN202427301U (en) * | 2011-11-02 | 2012-09-12 | 北京国电富通科技发展有限责任公司 | Gas-solid separating device applicable to large-distance conveying shipping equipment |
| CN102556669B (en) * | 2012-01-10 | 2015-06-10 | 厦门美甘齐动物料输送工程股份有限公司 | Gas-solid mixing accelerating chamber |
| CN203853199U (en) * | 2014-03-20 | 2014-10-01 | 浙江明泉工业涂装有限公司 | Gas-solid mixer applied to coating device |
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