CN1448225A - Coating method and coating equipment applying the same method - Google Patents
Coating method and coating equipment applying the same method Download PDFInfo
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- CN1448225A CN1448225A CN 03121191 CN03121191A CN1448225A CN 1448225 A CN1448225 A CN 1448225A CN 03121191 CN03121191 CN 03121191 CN 03121191 A CN03121191 A CN 03121191A CN 1448225 A CN1448225 A CN 1448225A
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Abstract
The invention relates to a coating method and a coating equipment applying the same method to minimize the futile use of a coating material and to attain a beautiful appearance by uniformizing the finish of the coating of a thin film in powder coating for performing the deposition of the powdery coating material on a material to be coated. The coating material is deposited on a workpiece (3) by using a coating apparatus provided with a table (2) capable of fixing the workpiece (3) which is the material to be coated and a spray gun (4) capable of spraying the powdery coating material toward the workpiece (3) fixed on the table 2. The table (2) is turned to rotate the workpiece (3), and the powdery coating material is sprayed toward the rotated workpiece (3) by using the spray gun (4).
Description
Technical field
The present invention relates to a kind of device that carries out the method for powder coating on the coated article and implement this method that powdery paints is adhered to.In more detail, relate to while the workpiece pulverized powder coating on this workpiece that rotates as coated article, perhaps make workpiece jet powdery paints and rotate in its powdery paints that is suspending in addition and carry, by this powdery paints is adhered to the coating method of the powder on the workpiece and implement the applying device of this method.
Background technology
Present coating method is under natural environment, uses powder type coating preparation, and it is adhered on the workpiece with powdery, afterwards, again to its heating, makes its fusion, forms coated film on workpiece.
Promptly, as a rule, composition as the synthetic resin coating of main coating is film molding resin, curing agent, additive, pigment etc. and organic solvents such as diluent, organic solvent reaches about 50%, but so the solvent waste seriously damages natural environment simultaneously in the atmosphere because the organic solvent after the coating can all be evaporated to.Therefore, people are just considering to solve the problems referred to above with the method for powder coating.
Below, present powder coating method is carried out simple explanation.In the existing coating method, utilize corona discharge to make a kind of electric charge on the powder belt, afterwards, charged powder is sprayed to workpiece as coated article, and, afterwards,, on workpiece, form and film making it fusion attached to the heating of the powder on the workpiece attached on the workpiece.
When carrying out this powder coating, has following method at present: for example, in applying between operation, use the method that is installed on the fixed position or on definite position, makes to come and go mobile injector mobile workpiece pulverized powder coating to passing through conveyer belt; Winding-up powdery paints in perhaps between application job, thus and make workpiece in the coating that this blows floating, move the method (for example, with reference to patent documentation 1) of carrying out the workpiece coating by conveyer belt etc.
(patent documentation 1)
Te Kaiping 10-241922 communique.
Yet, for for the method for the workpiece pulverized powder coating of carrying by conveyer belt, because of will be between workpiece spray paint, the problem of wasting just appears and be ejected into coating between the workpiece.In addition, even also there is the problem of wasting coating in the method for winding-up powdery paints between the coating operation.
In addition, in above-mentioned powder coating, after making powdery paints adhere on the workpiece, must make its fusion to its heating, at this moment, generally to use the heating furnace about 180 degree, for present powder coating, can produce the coating spot in this case, the film became uneven of formation, for the goods that require exquisite appearance, this coating effect is underproof.
Summary of the invention
The object of the present invention is to provide and a kind ofly can reduce the waste of coating, and the thickness that coating forms is evenly thin, the powder coating method of exquisite appearance and implement the applying device of this method powder type coating preparation being adhered to when carrying out powder coating on the coated article.
Coating method of the present invention is to carry out powder coating on the coated article by powdery paints is adhered to, it is characterized in that making workpiece to rotate on one side as coated article, on one side to this workpiece pulverized powder coating, make clagging to above-mentioned workpiece, and at coating jet between operation powdery paints and powdery paints is in the powdery paints of suspended state, make as the workpiece of coated article and in the powdery paints of this suspension, carry, make clagging to above-mentioned workpiece while rotating.
In the present invention, described powdery paints is preferably the toner coating of volume average particle size 5～40 μ m.
And, preferably workpiece is fixed on the rotating rotary work-table after, workpiece is rotated.
Preferred turning of work piece is on one side carried on one side, and to the workpiece pulverized powder coating of rotational conveyance.
The preferred use is installed in mechanical arm interior between the coating operation to the workpiece spray paint.
Preferably with applying robot to the workpiece spray paint.
Preferably spray by the powdery paints jet gun, control this powdery paints jet gun spray volume, ejection time, move up and down number of times, move up and down the revolution of speed and described workpiece, the thickness of powdery paints is managed.
The revolution of described workpiece is 10～400rpm, preferably the powder coating rifle is fixed or is set the speed of moving up and down in 3 meters/minute, applies.
Applying device of the present invention is by powdery paints is adhered on the coated article, make clagging to workpiece as coated article, it is characterized in that, but this applying device possesses the workbench of fixation workpiece, can be to the spray gun that is fixed on the workpiece pulverized powder coating on this workbench, and above-mentioned workbench is rotated; And this applying device possess be used for to coating blow out powdery paints in the space and make the coating jeting device of its suspension and be installed in movably in the coating space of jetting powdery paints by this coating jeting device and suspending, and can fixation workpiece and make the workbench of workpiece rotation, in the coating space of this winding-up and the powdery paints that suspended, workpiece is carried while rotating, thus this workpiece is carried out powder coating.
And, in the present invention, preferably have the conveying device that is used to carry described workbench.
Among the present invention, on one side turning of work piece, on one side to the workpiece pulverized powder coating that rotates, perhaps turning of work piece limit, limit conveying workpieces in the winding-up and the space of the powdery paints that suspending, can carry out coating powder thus, therefore, can be to the space of no workpiece spray paint, and, because utilize workpiece to rotate the air stream that produces powdery paints is adhered on the workpiece, so with to move the method that applies in the method for the workpiece pulverized powder coating of being carried by conveyer belt and powder that workpiece is being suspended different, the coating of this method is waste not.
In addition,, and workpiece applied thin layer repeatedly, therefore, can make coating quality even, even particularly require the product of exquisite appearance still can be suitable for for personal computer, portable phone etc. by the high speed rotating workpiece.
Description of drawings
Fig. 1 is the synoptic diagram of explanation applying device embodiment of the present invention.
Fig. 2 is the structural map of Workpiece supply platform among the embodiment of expression applying device of the present invention.
Fig. 3 is the figure of spray gun among the embodiment of explanation applying device of the present invention.
Fig. 4 be the explanation applying device of the present invention embodiment in make powdery paints adhere to the concept map of the method on the workpiece.
Symbol description: 1 applying device; 2 Workpiece supply platforms; 201 workpiece mounting portions; 202 main shafts; 203 supporting arms; 204 drive belt; 3 workpiece; 4 spray guns; 401 pin type electrodes; 402 high-pressure generating circuits; 5 coating particles.
The specific embodiment
In powder coating method of the present invention, be fixed to workpiece on the Workpiece supply platform in being equipped in rotationally between application job after, the Workpiece supply platform is rotated.Meanwhile, with the workpiece spray paint of coating jeting devices such as spray gun to rotation.This moment, the revolution of workpiece was preferably 10～400rpm, more preferably 50～150rpm.It is blocked up to film when revolution deficiency 10rpm, can not be applied as homogeneous film, and surface covered worsens when surpassing 400rpm, and coating thickness is not enough.And as mentioned above, workpiece is fixed, and spray gun is located at definite position, by moving up and down with certain speed, can easily control the thickness of powder.That is, available computers etc. at present the film thickness monitoring of the film below the 30 μ m of the powdery paints of difficulty manage.
Powdery paints as use in the method for the invention can use arbitrarily, but will expect the powder coating film of level and smooth and thin film thickness, preferably uses the small particle diameter powdery paints.This small particle diameter powdery paints for example volume average particle size is 5～40 μ m, and preferred volume average grain diameter 16～25 μ m and volume average particle size are at the powdery paints of the particle amount below the 5 μ m below 25 quality %.Above-mentioned level and smooth and powder thin film thickness is filmed useful in the following cases, and the situation of multiple thin film cladding is filmed, carried out to the light of promptly form color coating that other coated film for example made by solvent based coating again on this is filmed, being made by the UV curable coating.In order to obtain specific thickness, applying with existing solvent based coating for example needs 60 seconds, and as by controlling a spot of spray gun of ejection the small particle diameter powder being applied, can apply below 30 seconds, and production efficiency rises significantly.
Have at workpiece under the situation about applying on the light metal alloys such as magnesium alloy, aluminium alloy of defectives such as fold or hole, the powdery paints that the present invention uses preferably uses and is dissolving MV minium viscosity in 1.0～2.0Pas scope under the sintering curing condition.The preferred temperature of sintering curing condition of this moment is at 140～200 ℃, and the time, it was 15～40 μ m that the curing thickness is preferably formed at 1～30 minute.The above-mentioned MV minium viscosity that dissolves has following meaning among the present invention.That is, rise along with sintering makes the temperature of workpiece, the powdery paints that is coated on the workpiece melts gradually, and along with the further rising of temperature, viscosity reduces gradually.But afterwards, the effect by curing catalysts begins gelation, final curing.The MV minium viscosity that dissolves of the present invention is meant: make viscosity reduce from rising by said temperature, to by beginning the MV minium viscosity value that gelation is occurred between making till the viscosity rising.
Then viscosity is not enough because dissolve the not enough 1.0Pas of MV minium viscosity, so the coating that dissolves sinks at the bottom of the hole of blemish, can not cover the surface of defective part, and the result produces concave surface.As surpassing then illiquidity of 2.0Pas, only film along the defect shape formation of metal surface, the result stays concave surface.The preferred upper limit value is 1.5Pas, and lower limit is 1.8Pas.The such viscosimetric analysis machine of ソ リ キ Star ト meter MR300 that for example uses UBM company to make is determined the above-mentioned MV minium viscosity that dissolves, and the viscosity that is determined at serially under the sintering curing condition changes.
The powdery paints that uses among the present invention can be enumerated as main component and for example to contain epoxy and carboxylic acid group or to contain carboxylic acid anhydrides solidfied material (hereinafter referred to as " containing (anhydrous) carboxylic acid group curing agent ") as mentioned above without limits.Under the situation about applying, also can use general powdery paints such as polyester system, epoxy-polyester system or propylene system in the wound that does not need to cover magnesium alloy etc.
As the above-mentioned epoxy that contains, can enumerate the compound that for example in a molecule, has two above epoxy radicals, specifically, can use the reaction product of reaction product, bisphenol resin (A type, Type B, F type) and the epoxychloropropane of linear phenol-aldehyde resin and epoxychloropropane.
The above-mentioned epoxy that contains also can be also with two or more.And, be not particularly limited as the above-mentioned epoxide equivalent that contains epoxy, preferably 200～3000, more preferably 300～2800.Above-mentioned epoxide equivalent is low less than 200 o'clock storage stabilities, and is low greater than 3000 o'clock curing property.On the other hand,, be not particularly limited, but be preferably 200～10000 more preferably 500～5000 as the above-mentioned number-average molecular weight that contains epoxy.Above-mentioned number-average molecular weight was less than 200 o'clock, and the film performance that obtains is low, and the above-mentioned MV minium viscosity that dissolves may be less than 1Pas, and greater than 10000 o'clock, the flatness of filming that then obtains is low, and the above-mentioned MV minium viscosity that dissolves may be greater than 2Pas.In addition,, be not particularly limited, usually preferably at 20～100 ℃, more preferably at 50～100 ℃ about the above-mentioned softening point that contains epoxy.Above-mentioned softening point is when lower than 20 ℃, and shatter-proof swinging property is low, and than 100 ℃ high the time, the flatness of filming that obtains is low.
As (anhydrous) carboxylic acid group of above-mentioned containing curing agent, can enumerate the compound and the resin that in a molecule, have (anhydrous) carboxylic acid group more than two.Specifically, can enumerate polynary (anhydrous) carboxylic acid compound, contain (anhydrous) carboxylic acid group acrylic resin, contain (anhydrous) carboxylic acid polyester resin etc.Also can be used in combination multiple.
Number-average molecular weight as (anhydrous) carboxylic acid group of above-mentioned containing curing agent has no particular limits, preferably 100～10000, more preferably 200～5000.Above-mentioned number-average molecular weight is than 100 hours, and the film performance that obtains is low, and on the other hand, when bigger than 10000, the flatness of filming that obtains is low.
As the glass branchpoint (Tg) of (anhydrous) carboxylic acid group of above-mentioned containing curing agent, from the viewpoint of anti-caking capacity, preferably at 20～100 ℃, more preferably at 50～100 ℃ with the flatness of filming that obtains.In addition, the Tg among the present invention can try to achieve by differential scanning type calorimeter (DSC), but when (anhydrous) carboxylic acid group of above-mentioned containing curing agent be when containing (anhydrous) carboxylic acid group acrylic resin, can try to achieve from monomer ratio with the known Tg that constitutes copolymer.
The above-mentioned mol ratio that contains the acidic group total amount that epoxy radicals total amount that epoxy has and (anhydrous) carboxylic acid group of above-mentioned containing curing agent had is generally 1/1～1/0.5, is preferably 1/0.8～1/0.6.Above-mentioned epoxy radicals is less than at 1/1 o'clock, and the above-mentioned MV minium viscosity that dissolves of the coating that obtains may be lower than 1.0Pas.When above-mentioned epoxy radicals more than 1/0.5 the time, the above-mentioned MV minium viscosity that dissolves of the coating that obtains may be higher than 2.0Pas.
As aforesaid propylene is the resin of used for powder coating, can enumerate with usual way and make the following substances polymerization: styrene, acrylic acid, methyl acrylate, ethyl acrylate, n-butyl acrylate, tert-butyl acrylate, glycidyl acrylate, GMA, methacrylic acid-2-methyl ethylene oxidic ester.
As above-mentioned polyester is the resin of used for powder coating, can enumerate polyacid and polyalcohol are added the condensation product that thermal condensation obtains.Maleic acid, terephthalic acid (TPA), M-phthalic acid, phthalic acid, butanedioic acid, glutamic acid, adipic acid, decanedioic acid, ethylene lactic acid can be enumerated as polyalcohol as polyacid, for example ethylene glycol, diethylene glycol, propane diols, pentanediol, hexylene glycol, neopentyl glycol, trihydroxymethyl propane, pentaerythrite can be enumerated.
As the curing agent that in the powdery paints of aforesaid propylene system and epoxy system, cooperates, can suitably select from above-mentioned resin functional group kind.For example block isocyanate compound, decanedioic acid polyepoxides, amine such as aliphatic polybasic carboxylic acid, amino resins, aliphatic anhydride, two triglycidyl isocyanurates such as (acid of セ バ チ Application) are curing agent, cdicynanmide, phenolic resins, epoxy resin, the acrylic resin with epoxy radicals, the mylar with epoxy radicals, epoxy resin etc.
In the powdery paints that the present invention uses, except mentioned component such as needs also can add additives such as surface conditioner, delustering agent, tackifier, coloring pigment, rust resisting pigment, extender pigment, curing pigment, plasticizer, pigment dispersing agent.
As above-mentioned surface conditioner, can enumerate silicone such as dimethyl silscone, Methylphenylsilanone, acrylic oligomer etc.Can enumerate various wax classes, following various extender pigments etc. as delustering agent; Can enumerate silica colloidal, bentonite etc. as tackifier; Can enumerate titanium dioxide, iron oxide red, iron oxide, carbon black, phthalocyanine blue, phthalocyanine green, キ Network Na De Application series pigments, azo pigment as coloring pigment; Can enumerate aluminium triphosphate etc. as rust resisting pigment; Can enumerate aluminium oxide, talcum, clay, calcium carbonate, barium sulfate, silica etc. as extender pigment.
Can use imidazoles as curing catalysts is curing catalysts, imidazoline etc.; Can use epoxidised soybean oil etc. as plasticizer.In addition, about the amount of above-mentioned various additives,, in above-mentioned powdery paints 100 mass parts, account for below 10 mass parts preferably except pigment.When surpassing 10 mass parts, the flatness of filming that obtains may be low.About total amount of pigment, in above-mentioned powdery paints 100 mass parts, preferably account for below 50 mass parts.May be low as the flatness of then filming above 50 mass parts.
Manufacture method as the powdery paints that uses among the present invention is not particularly limited, so long as well-known manufacture method gets final product in the art of powder coatings.For example, above-mentioned raw materials is carried out in Henschel mixing roll etc. after dry type mixes, in Bu Sike (Block ス コ) kneader, dissolve mixingly, carry out crushing and classification after the cooling to contain epoxy and to contain the nonreactive temperature of (anhydrous) carboxylic acid group curing agent.
At this, as coating jeting device, can use the mechanical arm that moves freely in having between application job, fixed or movably apply robot, thus can be correctly and automatically to the workpiece spray paint.
Also can be on one side carry the Workpiece supply platform that is fixed with workpiece continuously,, can a large amount of workpiece be applied thus on one side to the workpiece spray paint of carrying by conveyer belt etc.
In addition, also can powdery paints be blown afloat in the space and suspend in coating, simultaneously this blow afloat and the powdery paints that suspends in, make on one side as the workpiece rotation of coated article and carry, thereby workpiece is applied.
And applying device of the present invention is to use the applying device of powdery paints spray paint on as the workpiece of object, but it has the workbench of fixation workpiece and to the spray gun that is fixed on the workpiece pulverized powder coating on this workbench.Be characterised in that and by drive units such as engines described workbench rotated; But and have the coating jeting device that is used in the coating space, powdery paints being blown afloat and suspends and by this coating jeting device powdery paints blown afloat and the coating space that suspends in move fixation workpiece and rotating workbench, powdery paints blown afloat and the coating space that suspends in, can carry while workpiece is rotated, can carry out powder coating to workpiece thus.
(embodiment)
With reference to the accompanying drawings, coating method of the present invention and implement the embodiment of the applying device of this method is described.Fig. 1 is the local abridged synoptic diagram of the applying device 1 of expression present embodiment.In this Fig. 1, the 2nd, the Workpiece supply platform.
This Workpiece supply platform worker 2 possesses and the workpiece mounting portion 201 of 3 fixed thereon of workpiece can be connected the main shaft 202 and the supporting arm 203 that is connected main shaft 202 of these workpiece mounting portion 201 belows.
Fig. 2 is the accompanying drawing of the structure of this Workpiece supply platform 2 of explanation.In the figure, above-mentioned main shaft 202 is bearing in the above-mentioned supporting arm 203 by not shown bearing etc., in addition, in above-mentioned supporting arm 203, main shaft 202 connects driving belt 204, and this driving belt 204 is connected on the drive unit of the unshowned motor of figure, therefore, by making the drive unit action of motor etc., workpiece mounting portion 201 is rotated through above-mentioned main shaft 202, thus, the workpiece 3 that is fixed in the workpiece mounting portion 201 is rotated.
Fig. 1 illustrates the situation that portable phone is applied, along the fixing multi-section portable phone of the circumference of workpiece mounting portion 201, be not that applying device of the present invention must be fixed to a plurality of like this workpiece in the workpiece mounting portion, can on the Workpiece supply platform, fix 1 or a spot of workpiece yet.
In addition, the structure of Workpiece supply platform 2 needn't as above be limit, so long as workpiece is rotated, any structure all can use.
4 is spray guns to above-mentioned workpiece 3 pulverized powder coating among the figure, the electrostatic spray gun that this spray gun 4 in the present embodiment selects for use existing powder coating etc. to use.
Therefore, can apply negative high-voltage to above-mentioned pin type electrode 401 that is, Fig. 3 is the skeleton diagram that the structure of spray gun 4 leading sections is shown, and exposes pin type electrode 401 on the leading section of this spray gun 4, high voltage generating circuit 402 is connected on this pin type electrode 401.
For such formation, when applying 5～100,000 volts of voltages to pin type electrode 401, pin type electrode 401 produces corona discharges, and the electronics of emitting captures by air molecule and become ion, and this ion produces space charge near being pooled to electrode.Therefore, combine with this anion and charged, therefore, be attached on the side of the positive electrode workpiece 3 of ground connection from the powdery paints of spray gun 4 ejection.Fig. 4 illustrates the concept map of this relation, and Fig. 4 (A) is the state that forms electric field at the leading section of spray gun 4, and Fig. 4 (B) illustrates the charged state of coating particle 5, and Fig. 4 (C) illustrates the state that charged powdery paints is adsorbed by workpiece 3 in addition.
Spray gun 4 also can use as the spray gun on the mechanical arm leading section that possesses in being connected between application job, and perhaps, as long as the spray gun that also can use fixed, portable coating machinery to be possessed is can be to the workpiece pulverized powder coating that rotates.
Then, the embodiment to the coating method of the present invention of the applying device of the present embodiment that uses such formation describes.In the coating method of present embodiment, at first, be fixed to workpiece 3 in the workpiece mounting portion 201 on the Workpiece supply platform 2 after, make the drive unit work of motor etc., by main shaft 202 workpiece mounting portion 201 is rotated, workpiece 3 is also rotated.
Afterwards, use spray gun 4, to the workpiece 3 pulverized powder coating of above-mentioned rotation, powdery paints is attached on the workpiece 3, afterwards, powdery paints is charged be attached to workpiece 3 during, coating is heated to about 180 ℃ with workpiece 3, therefore, on workpiece 3, forms and film.
At this moment, coating method for present embodiment, because the workpiece spray paint of turning of work piece limit, limit to rotating, can finish powder coating thus, so can be to the space of no workpiece spray paint, and, because utilize workpiece to rotate the air-flow that is produced powdery paints is adhered on the workpiece, so with to move the method that applies in the method for the workpiece pulverized powder coating of being carried by conveyer belt and powder that workpiece is being suspended different, the coating of this method can not wasted.
By the high speed rotating workpiece, and workpiece applied thin layer repeatedly, therefore, can make coating quality even, even particularly require the product of exquisite appearance still can be suitable for for personal computer, digital camera, portable phone etc.
The situation of fixation workpiece supply platform has been described in the above-described embodiments,, but in addition, also can utilize the equilateral a plurality of Workpiece supply platforms rotations limit that makes of belt to carry continuously, and, also available fixed spray gun or portable spray gun are to these workpiece spray paint of being carried continuously, if operation is compared with the situation of fixation workpiece feedway so like this, can apply workpiece in large quantity.
In addition, also can use such applying device, promptly this applying device possess to coating blow out powdery paints in the space and make the coating jeting device of coating suspension and be installed in movably in the coating space of jetting powdery paints by this coating jeting device and suspending, and can fixation workpiece and workbench that workpiece is rotated, in the coating space of this winding-up and the powdery paints that suspended, workpiece is rotated to carry, thus this workpiece is applied while finish.
Use device shown in Figure 1,20 of portable phone baskets as the magnesium alloy system of workpiece 3 can be fixed in the round piece mounting portion 201 of abundant ground connection.The powdery paints that uses is the epoxide powder coating (" マ グ ダ イ Application マ Le チ カ バ-Na ノ ", Nippon Paint Co., Ltd.'s system) that fault in material portion is highly hidden, and this volume average particle size is 18 μ m.When coating, connection can be controlled to be the powdery paints of a small amount of ejection and supply with machine (20g ± 1g/ minute), uses the powdery paints corona discharge rifle 4 of controllable current binarization mode to apply 30 seconds.The revolution of the workpiece mounting portion 201 of this moment is 100rpm.
Then under 160 ℃, the workpiece of finishing coating was fired 20 minutes.The result films at the even and good powder of outward appearance of formation thickness on the portable phone basket in 20～25 mu m ranges.And in existing reciprocating type coating, surface covered is about 50%, and the surface covered of rotation coating method of the present invention is more than 85%.
Coating method of the present invention and the applying device of implementing the method as mentioned above, it can obtain Following effect.
In the present invention, while make the workpiece rotation to the workpiece pulverized powder coating of this rotation, Perhaps, powdery paints being blown afloat and in suspension make workpiece to carry rotationally, can carry out powder thus End coating therefore can be to the non-existent space of workpiece spray paint, and, pass through changing of workpieces The air-flow that movable property is given birth to sticks on the workpiece powdery paints, therefore, and with moving by conveyer belt Workpiece is carried out the method for powder coating or travelling workpiece applies in powder blows afloat method Difference can not wasted coating. And, rotate by making Work piece high-speed, can carry out thin to workpiece And coating repeatedly, therefore very even. Particularly applicable to personal computer, portable electric Words etc. need goods attractive in appearance.
Claims (12)
1. one kind adheres to powdery paints on the coated article and the powder coating method that carries out is characterized in that, Yi Bian the workpiece as this coated article is rotated, Yi Bian, make clagging to described workpiece to this workpiece pulverized powder coating.
2. coating method according to claim 1 is characterized in that, described powdery paints is that volume average particle size is the toner coating of 5～40 μ m.
3. coating method according to claim 1 and 2 is characterized in that, be fixed on workpiece on the rotating rotary work-table after, workpiece is rotated.
4. according to claim 1 or 3 each described coating methods, it is characterized in that, on one side turning of work piece carry on one side, simultaneously to the workpiece pulverized powder coating of this rotational conveyance.
5. according to each described coating method in the claim 1 to 4, it is characterized in that, use to be installed in mechanical arm interior between the coating operation to the workpiece spray paint.
6. according to each described coating method in the claim 1 to 5, it is characterized in that, use the coating robot to the workpiece spray paint.
7. according to each described coating method in the claim 1 to 6, it is characterized in that, described injection is undertaken by the powdery paints jet gun, control this powdery paints jet gun spray volume, ejection time, move up and down number of times, move up and down the revolution of speed and described workpiece, the thickness of powdery paints is managed.
8. according to each described coating method in the claim 1 to 7, it is characterized in that the revolution of described workpiece is 10～400rpm, the powder coating rifle is fixed or set the speed of moving up and down in 3 meters/minute, apply.
9. one kind by making powdery paints adhere to the powder coating method that carries out on the coated article, it is characterized in that, in the coating space, powdery paints is blown afloat and makes it to suspend, simultaneously this blown afloat and the powdery paints that suspends in make workpiece rotation as coated article with its conveying on one side, make clagging thus to described workpiece.
10. applying device of applying coatings by powdery paints being adhered on the coated article and on as the workpiece of coated article is characterized in that having:
But the workbench of fixation workpiece; And
Can be to the spray gun that is fixed in the workpiece pulverized powder coating on this workbench.
This workbench is rotatable.
11. applying device according to claim 10 is characterized in that, has the conveying device that is used to carry described workbench.
12. the applying device of applying coatings by powdery paints being adhered on the coated article and on as the workpiece of coated article is characterized in that having:
Be used for the coating jeting device that powdery paints blown afloat and suspends in the space in coating;
Can in the coating space of by this coating jeting device powdery paints being blown afloat and suspending, move, workpiece is fixed the workbench that also can rotate,
In the coating space of powdery paints being blown afloat and suspending, while being rotated, carries by workpiece, thus workpiece is carried out powder coating.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002087979 | 2002-03-27 | ||
| JP2002087979 | 2002-03-27 | ||
| JP2002327485 | 2002-11-11 | ||
| JP2002327485A JP2004000893A (en) | 2002-03-27 | 2002-11-11 | Coating method and coating apparatus for performing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1448225A true CN1448225A (en) | 2003-10-15 |
Family
ID=28793498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03121191 Pending CN1448225A (en) | 2002-03-27 | 2003-03-27 | Coating method and coating equipment applying the same method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2004000893A (en) |
| CN (1) | CN1448225A (en) |
| TW (1) | TW200306232A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509177C (en) * | 2006-08-25 | 2009-07-08 | 东芝电梯株式会社 | Powder paint coating system and powder paint coating method |
| CN102015123A (en) * | 2008-01-18 | 2011-04-13 | 平易密科控股有限公司 | Frocess for organic coating |
| CN101347772B (en) * | 2007-07-18 | 2012-05-23 | 深圳富泰宏精密工业有限公司 | Joint |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007000689A (en) * | 2005-06-21 | 2007-01-11 | Anest Iwata Corp | Coating control method, and coating control system |
| US20140353410A1 (en) * | 2013-06-04 | 2014-12-04 | Finishing Brands Holdings Inc. | Spray Fixture System |
| CN110560391B (en) * | 2019-09-29 | 2024-03-29 | 北京汇聚和新材料科技有限公司 | Workpiece coating detection machine and detection method |
-
2002
- 2002-11-11 JP JP2002327485A patent/JP2004000893A/en active Pending
-
2003
- 2003-03-26 TW TW92106775A patent/TW200306232A/en unknown
- 2003-03-27 CN CN 03121191 patent/CN1448225A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100509177C (en) * | 2006-08-25 | 2009-07-08 | 东芝电梯株式会社 | Powder paint coating system and powder paint coating method |
| CN101347772B (en) * | 2007-07-18 | 2012-05-23 | 深圳富泰宏精密工业有限公司 | Joint |
| CN102015123A (en) * | 2008-01-18 | 2011-04-13 | 平易密科控股有限公司 | Frocess for organic coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004000893A (en) | 2004-01-08 |
| TW200306232A (en) | 2003-11-16 |
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