CN1288784A - Paint sprayer and paint-spraying method - Google Patents
Paint sprayer and paint-spraying method Download PDFInfo
- Publication number
- CN1288784A CN1288784A CN00128752A CN00128752A CN1288784A CN 1288784 A CN1288784 A CN 1288784A CN 00128752 A CN00128752 A CN 00128752A CN 00128752 A CN00128752 A CN 00128752A CN 1288784 A CN1288784 A CN 1288784A
- Authority
- CN
- China
- Prior art keywords
- air
- paint
- static
- spray gun
- ionized
- 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
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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
- B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
- B05B7/2489—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
- B05B7/2491—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device characterised by the means for producing or supplying the atomising fluid, e.g. air hoses, air pumps, gas containers, compressors, fans, ventilators, their drives
-
- 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
- B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
Abstract
There is provided a painter including a static eraser which removes static electricity from air, a tank containing a paint therein, and a spray gun which mixes the paint with air supplied from the static eraser, and sprays the paint to an object, characterized by a device located between the static eraser and the spray gun which device retains a ir therein, wherein positively or negatively charged ionized air supplied from the static eraser is retained in the device, positively charged ionized air is mixed with negatively charged ionized air in the device, and electrically neutral air is supplied from the device to the spray gun.
Description
The present invention relates to air painter and method for paint spraying, relate in particular to and from air, remove air painter and the method for paint spraying that behind the static air and paint is mixed.
For example, when paint is sprayed on the automobile body, produce uneven spraying sometimes.Known this inhomogeneously cause by static.
In general, static is to be caused by the friction between the different material.Thereby, when automobile body is paint when carrying out preliminary treatment by slushing, just produced static.
In addition, in each polishing step, static is further accumulated.For example because bumper, a kind of parts of automobile, by insulating materials for example plastics make, when it was polished, after polishing was finished, bumper was just charged fully.
Particularly, when to vehicle spray painting metal colored paint, owing to static is easy to take place uneven spraying.The metal colored paint contains a large amount of minimum metallic particles.Because these metallic particles conduct electricity, if gathered static on automobile body, then metallic particles is by electrostatic attraction.As a result, on automobile body, just produce uneven spraying.
In general, for example the such object of automobile utilizes spray gun spray paint and AIR MIXTURES to paint.This air by the spray gun ejection generally is charged.Particularly, when air flowed by air duct, because the friction between air and the air duct inner surface, air was just charged before spraying by spray gun.Because the dust around charged air attracts, these dust just must be attracted on the object that will paint spraying.
Thereby, for the uneven spraying that prevents to cause, need for example remove static fully the automobile from the object that will be sprayed paint by static, perhaps spray paint with removing static the air that paints ejection from utilization.
In general, it is easier than remove static from the object that will be sprayed paint to remove static from air.Thereby, many equipment and method have been proposed, be used for when object sprays paint, removing static.As an example of this equipment, 1995,4,11 disclosed publication numbers are to disclose a kind of equipment that is used to remove static among Fig. 1 of 3009802 utility model and Fig. 2.
As shown in Figure 1, described equipment comprises and is used for removing moisture and oil filtration device 1 from compressed air, is full of the paint case 2 of paint, is used to spray the spray gun 3 of paint and AIR MIXTURES, be used to high-pressure hose 4 that fluid is communicated with and shielded cable 5 between filter 1 and spray gun 3.
Filter 1, high-pressure hose 4 and shielded cable 5 are set in the casing 10.
Shielded cable 5 comprises high-pressure side lead and earth terminal lead, and extends to the leakage transformer 6 that is set at the casing 10 from spray gun 3.The earth terminal lead is electrically connected by ground wire 11 and stiff end 12.
When high voltage was applied in spray point 9, electronics was evicted from from spray point 9, makes air be attended by electron avalanche, and corona discharge promptly takes place.As a result, around spray point 9, alternately produce cation and anion.These negative ions spray through spray gun 3 with paint by means of the compressed air that provides by high-pressure hose 4.
The air neutralization that the static that gathers on the object that will be sprayed paint is ionized.Meanwhile, blown off attached to the dust on the object.
But, above-mentioned equipment is attended by a problem, promptly because of charged when spraying by the air of spray gun 3 ejections, thereby air dust around the attraction before arriving the object that will be sprayed paint, make these dust attached on the object.
Publication number is that 3013762 Japanese Utility Model patent has proposed a kind of equipment that is used to remove static, comprise high-voltage power supply, produce the pipe of ion therein, be set at the spray point in the pipe, be set at the comparative electrode in the pipe, be used for introducing compressed-air actuated high-voltage tube, be used to spray the spray gun of paint and air, and be set at the pressure-control valve in the spray gun at described pipe.High-voltage power supply has two inputs, and one of them and spray point are electrically connected, and another and comparative electrode are electrically connected.
Publication number is the device that the Japanese unexamined patent publication No. of 7-296985 has proposed a kind of conducting liquid that is used to vaporize.This device comprises electrical insulation container and the high voltage source that contains conducting liquid.Conducting liquid is vaporized, and meanwhile, conducting liquid is ionized when high voltage source is added on conducting liquid to high pressure.
Publication number is that the Japanese unexamined patent publication No. of 11-109069 has proposed a kind of electronic installation, and this device comprises the main casing that is formed with transparency window, can see the material that comprises by transparency window in main casing.Main casing all is made of identical transparent resin with transparency window.Main casing is coated with coloured following coating and the clear coat on coloured following coating, and window is coated with clear coat.
Publication number is that the Japanese unexamined patent publication No. of 7-18412 has proposed a kind of method that is used to handle surface of the work, so as to removing static from described surface, comprising to described surface of the work irradiation ultraviolet radiation, so as to cleaning described surface, and forms film on described surface.
Yet even the apparatus and method of utilizing above-mentioned patent disclosure specification to propose, the problems referred to above are still unresolved.
Remove the problem that the conventional equipment of static exists by above-mentioned being used for and it seems, the objective of the invention is to, provide a kind of when utilizing paint and AIR MIXTURES that object is sprayed from air the equipment and the method for removal static.
Of the present invention aspect first in, a kind of air painter is provided, it comprises (a) static eraser, be used to remove airborne static, (b) it contains the casing of paint, and (c) spray gun, be used to mix the paint and the air that provide by the static eraser, and paint spraying on object, it is characterized in that, (d) device between static eraser and spray gun, keep air in the described device, wherein the ionized air of the band positive and negative charge that is provided by the static eraser is retained in the described device, and positively charged ionized air and electronegative ionized air mix in described device, thereby provide electroneutral air from described device to spray gun.
The inventor finds, in order to prevent uneven spraying, the ionized air or the electronegative ionized air that spray electroneutral air ratio Fig. 2 and conventional equipment jet band positive charge shown in Figure 3 are more effective.If air is electroneutral, when air being sprayed to the object that will be painted, air then can not attract dust.
The present invention makes based on this discovery.
According to the said equipment, when the positively charged ionized air that is provided by the static eraser or electronegative ionized air for example are accumulated in the casing, positively charged air just makes up with electronegative air, thereby it is electroneutral to make that air is called.The electroneutral air that obtains like this is ejected with paint by spray gun, guarantees to spray equably object.
Preferably, the volume of described device is 10 times of volume of the air of discharging from the static eraser in the unit interval at least.
If described device has too little volume, then be unfavorable for making up mutually by the positively charged and electronegative ionized air that the static eraser provides.Thereby the inventor tests, and must have great volume so that learn described device.According to described experiment, the inventor finds, if the volume of described device is 10 times of volume of the air of discharging from the static eraser in the unit interval, then helps mutually combining with the ionized air of positive and negative charge.Thereby best described device has the volume that is defined as NV, and wherein N is the integer that equals greater than 10, and V is the volume of the air of discharging from the static eraser in the unit interval.For example, device can be made of the container that wherein keeps air.As another kind of scheme, described device can comprise flexible pipe, for example high-voltage tube.
In another aspect of the present invention, a kind of method that object is sprayed paint is provided, said method comprising the steps of: (a) from air, remove static, (b) in container, be retained in the ionized air of the band positive and negative charge that the step (a) obtains, it is electroneutral so that the ionized air of band positive and negative charge is mixed mutually air to be become, and (c) described electroneutral air and paint are mixed, and paint spraying on object.
According to the method described above, when the ionized air of band positive and negative charge was accumulated in the container, the ionized air of band positive and negative charge just mutually combined, thereby it is electroneutral to make that air becomes.The electroneutral air of Xing Chenging sprays with paint by spray gun like this, thereby guarantees to spray equably object.
Preferably the ionized air at step (b) band positive and negative charge is retained in the casing.As another kind of scheme, the ionized air of band positive and negative charge in the step (b) can be maintained in the pipeline.
The following describes the advantage that above-mentioned the present invention can obtain.
According to the present invention, when the ionized air of the band positive and negative charge that is provided by the static eraser is accumulated in one when for example installing in casing or the pipeline, positively charged air just with electronegative ionized air combination, it is electroneutral to make air become.The electroneutral air of Xing Chenging sprays with paint by spray gun like this, thereby guarantees to spray equably object.
Fig. 1 explanation is used to remove the conventional equipment of static;
Fig. 2 explanation is as the static eraser of parts of device shown in Figure 1;
Fig. 3 explanation is according to the air painter of embodiments of the invention.
Illustrate according to the preferred embodiments of the present invention with reference to the accompanying drawings.
Fig. 3 explanation is according to the air painter of the preferred embodiments of the present invention.
Air painter 20 according to present embodiment comprises the static eraser 21 that is used for removing from air static, fill the paint case 22 of paint, spray gun 23, air that provides from static eraser 21 and the paint that provided by paint case 22 mix therein, and the mixture of ejection air and paint, and the casing 24 that between static eraser 21 and spray gun 23, is used for keeping therein air.
For example, static eraser 21 in the present embodiment can be made of static eraser illustrated in figures 1 and 2.But, static eraser 21 is not limited to this structure.Any device that can remove static can be as the static eraser 21 in the present embodiment.
The volume of casing 24 is 10 times of volume of the air of discharging from static eraser 21 in the unit interval.The following describes operation according to the air painter 20 of present embodiment.
The ionized air 25 of the band positive and negative charge that is provided by static eraser 21 is retained in the casing 24.In casing 24, the ionized air of band positive and negative charge mutually combines, and makes air 25 become electroneutral ion 26.
The electroneutral ion 26 of Xing Chenging is admitted in the spray gun 23 like this, and is sprayed onto on the object with the paint that is provided by paint case 22 by spray gun 23.
As mentioned above, according to air painter 20, the ionized air 25 of the band positive and negative charge that is provided by static eraser 21 can be changed into electroneutral by being retained in the casing 24.By means of utilizing spray gun 23 to spray electroneutral air, can obtain the object that is evenly sprayed with paint.
Though have casing 24 as the device that is used to keep air according to the air painter 20 of present embodiment,, the device that is used to keep air is not limited to casing 24.Mutually combine and become electroneutral volume as long as device has the ionized air that the band positive and negative charge that is provided by static eraser 21 can be provided, any device can use.For example can use high-pressure hose to replace casing 24 as the device that is used to keep air.
Claims (7)
1. an air painter (20) comprising:
(a) static eraser (21) is used to remove airborne static;
(b) it contains the casing (22) of paint; And
(c) spray gun (23) is used for paint and the air that is provided by static eraser (21) is provided, and paint spraying on object, it is characterized in that,
(d) be positioned at device (24) between static eraser (21) and the spray gun (23), keep air in the described device,
Wherein the ionized air (25) of the band positive and negative charge that is provided by static eraser (21) is retained in the described device (24), in described device (24), positively charged ionized air and electronegative ionized air mix, thereby provide electroneutral air (26) from described device (24) to spray gun (23).
2. air painter as claimed in claim 1, the volume of described device (24) are 10 times of volume of the air of discharging from static eraser (21) in the unit interval at least.
3. air painter as claimed in claim 1 or 2, wherein said device (24) is made of the casing that is used for keeping therein air.
4. air painter as claimed in claim 1 or 2, wherein said device (24) is made of pipeline.
5. one kind is used for method that object is sprayed paint, said method comprising the steps of:
(a) from air, remove static;
(b) be retained in the ionized air (25) of the band positive and negative charge that the step (a) obtains in container (24), it is electroneutral so that the ionized air of band positive and negative charge is mixed mutually air to be become, and
(c) described electroneutral air (26) and paint are mixed, and paint spraying on object.
6. method as claimed in claim 5, wherein the ionized air at step (b) band positive and negative charge is retained in the casing.
7. method as claimed in claim 5, wherein the ionized air at the band positive and negative charge that goes on foot (b) is maintained in the pipeline.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP263124/1999 | 1999-09-17 | ||
JP26312499A JP2001079465A (en) | 1999-09-17 | 1999-09-17 | Coating apparatus and coating method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1288784A true CN1288784A (en) | 2001-03-28 |
Family
ID=17385164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00128752A Pending CN1288784A (en) | 1999-09-17 | 2000-09-15 | Paint sprayer and paint-spraying method |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1084761A3 (en) |
JP (1) | JP2001079465A (en) |
KR (1) | KR20010050480A (en) |
CN (1) | CN1288784A (en) |
CA (1) | CA2319628A1 (en) |
SG (1) | SG97936A1 (en) |
TW (1) | TW473401B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103551268A (en) * | 2013-11-01 | 2014-02-05 | 杨义华 | Cylinder paint sprayer |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE290765T1 (en) * | 2001-12-11 | 2005-03-15 | Girolamo Barbieri | METHOD AND DEVICE FOR NEUTRALIZING ELECTROSTATIC CHARGES ON CHARGED PARTS |
US7665672B2 (en) | 2004-01-16 | 2010-02-23 | Illinois Tool Works Inc. | Antistatic paint cup |
US7086549B2 (en) | 2004-01-16 | 2006-08-08 | Illinois Tool Works Inc. | Fluid supply assembly |
US7165732B2 (en) | 2004-01-16 | 2007-01-23 | Illinois Tool Works Inc. | Adapter assembly for a fluid supply assembly |
US7766250B2 (en) | 2004-06-01 | 2010-08-03 | Illinois Tool Works Inc. | Antistatic paint cup |
US7757972B2 (en) | 2004-06-03 | 2010-07-20 | Illinois Tool Works Inc. | Conversion adapter for a fluid supply assembly |
US7353964B2 (en) | 2004-06-10 | 2008-04-08 | Illinois Tool Works Inc. | Fluid supply assembly |
DE102006027341A1 (en) * | 2006-06-13 | 2007-12-20 | Apo Gmbh Massenkleinteilbeschichtung | Method and device for surface coating of small parts |
DE102011011054B4 (en) * | 2011-02-11 | 2023-01-26 | Thomas Mayer | Process for the treatment of compressed air and device for the treatment of compressed air |
ITVI20120271A1 (en) * | 2012-10-16 | 2014-04-17 | Claudio Bettanin | SPRAY PAINTING SYSTEM |
CN104368476B (en) * | 2014-11-10 | 2017-03-22 | 苏州特铭精密科技有限公司 | UV paint spraying production line and production method thereof |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3786309A (en) * | 1973-01-12 | 1974-01-15 | Gen Motors Corp | Electrostatic powder spraying method and apparatus |
DE3631270A1 (en) * | 1986-09-13 | 1988-03-24 | Kopperschmidt Mueller & Co | DEVICE FOR SPRAY COATING WORKPIECES |
JPH039802A (en) | 1989-06-07 | 1991-01-17 | Hakamada Seisakusho:Kk | Structure of base of disk cutter |
JPH0313762A (en) | 1989-06-09 | 1991-01-22 | Toshiba Corp | Air conditioner |
US5032422A (en) * | 1989-12-26 | 1991-07-16 | Ball Corporation | Electrostatically depositing and electrostatically neutralizing |
JP3330684B2 (en) | 1993-07-06 | 2002-09-30 | アルパイン株式会社 | Surface treatment method and surface treatment device |
JPH11109069A (en) | 1997-09-30 | 1999-04-23 | Nec Saitama Ltd | Electronic equipment |
EP0934776A1 (en) * | 1998-02-06 | 1999-08-11 | AEA Technology plc | Spray gun with common control of fluid and air valve |
-
1999
- 1999-09-17 JP JP26312499A patent/JP2001079465A/en active Pending
-
2000
- 2000-09-12 EP EP00119846A patent/EP1084761A3/en not_active Withdrawn
- 2000-09-14 CA CA002319628A patent/CA2319628A1/en not_active Abandoned
- 2000-09-14 SG SG200005208A patent/SG97936A1/en unknown
- 2000-09-15 CN CN00128752A patent/CN1288784A/en active Pending
- 2000-09-15 KR KR1020000054302A patent/KR20010050480A/en not_active Application Discontinuation
- 2000-09-15 TW TW089119086A patent/TW473401B/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103551268A (en) * | 2013-11-01 | 2014-02-05 | 杨义华 | Cylinder paint sprayer |
Also Published As
Publication number | Publication date |
---|---|
KR20010050480A (en) | 2001-06-15 |
CA2319628A1 (en) | 2001-03-17 |
SG97936A1 (en) | 2003-08-20 |
JP2001079465A (en) | 2001-03-27 |
EP1084761A3 (en) | 2003-08-13 |
EP1084761A2 (en) | 2001-03-21 |
TW473401B (en) | 2002-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |