CN102862408B - Inkjet printing method of bathroom product - Google Patents
Inkjet printing method of bathroom product Download PDFInfo
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- CN102862408B CN102862408B CN201210372596.9A CN201210372596A CN102862408B CN 102862408 B CN102862408 B CN 102862408B CN 201210372596 A CN201210372596 A CN 201210372596A CN 102862408 B CN102862408 B CN 102862408B
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Abstract
The invention discloses an ink-jet printing method of a bathroom product, which comprises the following steps in sequence: the method adopts the technical processes of cabinet plate shaping, surface cleaning, primer construction, finish construction, ink-jet printing, varnish construction and polishing and waxing. The inkjet printing method for the bathroom products adopts the advanced inkjet printing technology, directly outputs the fine printed patterns through a computer, does not need film, does not need plate making, has high printing efficiency, realizes high-definition fine printing, has high image quality and no film screen printing points, and has beautiful and vivid image colors and smooth and uniform surface. Moreover, waterproof ink is adopted in the ink-jet printing process, and the finely printed patterns are waterproof, sun-proof, wear-resistant and not easy to fade and fall off.
Description
Technical field
The present invention relates to external coating field, relate in particular to a kind of ink-jet printing method of sanitaryware.
Background technology
In sanitaryware industry, the conventional printing technology using mainly comprises at present: water transfer printing, pad pasting (woodgrained paper, multicolour pattern etc.), chromatic spray painting, screen printing, roller printing etc.Adopt the method for water transfer printing, transfer printing object is extensive, can application extensive, comprises that the carriers such as pottery, glass, metal, woodenware all can print, technical maturity, application is simple, but need to start an edition printing, and cost is large, efficiency is lower, and printing precision is subject to printed patterns file accuracy limitations, easily produce film site, service life is shorter, easily fades.Film coating process, color, pattern enrich, and substantially any type pattern all can be made into pad pasting, and application is convenient, and cost is lower, but easily fades, comes off.Chromatic spray painting technique, rich color, collocation conveniently, can be applied any color spraying substantially, and lacquer painting surface adhesion force is strong, but ink figure layer is thinner, color is not full, and spraying texture is not strong, use and with the passing of time easily fade, spray patterns precision is relatively low, and complex pattern reduction degree is poor.Screen printing technique, graphics rich, technique is simple, processing ease, and operation is few, efficiency is high, be beneficial to and realize mechanization production, but color is relatively dull, and poor to product male and fomale(M&F) printing treatment, printing precision is lower, easily produce film site, the printing of need to starting an edition, cost is higher, easily fades, variable color.Roller printing technique, automation mechanized operation, efficiency is higher, and output is large, web plate makes the life-span long, and contraposition is accurate, the extremely clear exquisiteness of decorative pattern, larger but production cost drops into, the printing of need to starting an edition, and cost is higher, is unfavorable for personalized product production.
Therefore, the printing technology of existing sanitaryware also has not enough, haves much room for improvement.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of ink-jet printing method of sanitaryware, be intended to solve the problem of existing sanitaryware printing technology Shortcomings.
Technical scheme of the present invention is as follows:
A kind of sanitaryware ink-jet printing method, wherein, the concrete steps of described sanitaryware ink-jet printing method are as follows:
S100, sanitaryware sizing: materials processing is become to sanitaryware respective shapes and size;
S200, surface cleaning: sanitaryware surface is taken off to ester processing with surface cleaner, and carry out mechanical lapping with sand paper effects on surface, then use surface cleaner clean surface;
S300, priming paint construction: priming paint coating is carried out in sanitaryware surface, dodge and do to after unglazed, then be dried, form one deck priming paint dry film;
S400, finish paint construction: carry out the various coatings with look finish paint on putty surface, and be dried;
S500, ink-jet printed: In-put design picture proof is to the software of ink-jet printer; According to the actual size of sanitaryware location, picture proof size, resolution ratio and color mode are set in software; Under the head of ink-jet printer, place a slice than the large glass of actual sanitaryware size, start ink-jet printer, layout is extremely on glass by shower nozzle " every sky " spray printing, then depict with dotted line frame in figuratum place on glass, determine the position of printing; Sanitaryware is put into dotted line frame and carry out ink-jet printedly, in described ink-jet printed process, indoor environment temperature is 10～30 ℃, humidity 20-80%, and the material thickness of sanitaryware is controlled at 0.1～8 centimetre, and inkjet printing speed is 1.1～1.4 squares ms/h;
S600, varnish construction: carry out varnish coating on dried finish paint surface, leave standstill, drier;
S700, carry out waxing polishing.
The ink-jet printing method of described sanitaryware, wherein, the ink-jet printing method method of described sanitaryware is further comprising the steps of:
S310, putty construction: after sanitaryware is cooling, on priming paint, with after the slight polishing of sand paper one time, first carries out thick benefit of putty and execute, then carry out thin benefit of putty and execute.
The ink-jet printing method of described sanitaryware, wherein, the build of described priming paint is 50-70 micron; The build of described finish paint is 30-40 micron; The build of described varnish is 40-50 micron.
The ink-jet printing method of described sanitaryware, wherein, in step S300, priming paint is to clean in latter 24 hours on sanitaryware surface, and sanitaryware surface is applied;
The dry process of described sudden strain of a muscle is at temperature 20-50 ℃, to place to be leather hard or unglazed to priming paint surface in 2-10 minute, then temperature be at 40-70 ℃, keep 0.75-10 hour completely curing to priming paint.
The ink-jet printing method of described sanitaryware, wherein, in step S310, described putty is thick to be mended and executes as the putty 2-3 road of slightly constructing, and dry at 20-50 ℃ of temperature, putty bone dry through sand paper dry grinding, cleans with surface cleaner after dedusting after solidifying;
Described putty is thin to be mended and executes as the putty 2-3 road of carefully constructing, and dry at 20-50 ℃ of temperature, putty bone dry through sand paper dry grinding, cleans with surface cleaner after dedusting after solidifying.
The ink-jet printing method of described sanitaryware wherein, in step S310, is 360#-600# for the described sand paper model of the priming paint of polishing;
The thick benefit of described putty adopts 80-120# sand paper to carry out dry grinding in executing;
The thin benefit of described putty adopts 180-240# sand paper to carry out dry grinding in executing;
In step S200, described sand paper model is 360#-600#.
The ink-jet printing method of described sanitaryware, wherein, in step S400, the dry run of described finish paint is to keep 5-20 minute at the temperature of 20-70 ℃.
The ink-jet printing method of described sanitaryware, wherein, in step S400, the construction temperature of ground and finish paint is 20 ℃.
The ink-jet printing method of described sanitaryware, wherein, in step S600, described dry run is to keep 0.5-24 hour at the temperature of 20-60 ℃;
In step S600, before being dried, leave standstill at least 10 minutes.
The ink-jet printing method of described sanitaryware, wherein, in step S100, described sanitaryware is bathroom cabinet, furniture door plate, frame of shower room or water-closet bowl cover plate.
Beneficial effect: the ink-jet printing method of sanitaryware of the present invention, adopt advanced inkjet technology, directly computer output finishing impression pattern, do not need the film, do not need plate-making, printing efficiency is high, the meticulous printing of high definition, image quality high definition is without film wire mark point, and the beautiful smooth surface color true to nature of image color is even.And what adopt in ink-jet printed technique is waterproof ink, finishing impression pattern waterproof, sun-proof, wear-resistant, is difficult for fading and coming off.In addition, in the present invention, coating process is stable, and gained sanitaryware has excellent corrosion resistance, the superpower and lustrous and transparent profit of paint film of the paint film adhesion on sanitaryware surface, reflecting feel is strong, color and luster even compact, surfacing, paint film is full abundant, and hardness of paint film is high, and resistance to xanthochromia, scratch-resistant performance are strong.
Accompanying drawing explanation
Fig. 1 is the flow chart of the ink-jet printing method of sanitaryware of the present invention.
The specific embodiment
The invention provides a kind of ink-jet printing method of sanitaryware, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The present invention is directed to the deficiency of existing sanitaryware printing technology, a kind of ink-jet printing method of sanitaryware be provided, can be on sanitaryware the various pattern textures of finishing impression, greatly enriched style and the style of sanitaryware.Described sanitaryware can be bathroom cabinet and furniture door plate (sheet material), frame of shower room (section bar) and water-closet bowl cover plate (arc) etc.The ink-jet printing method of described sanitaryware sequentially, comprise the following steps: adopt sanitaryware sizing, surface cleaning, priming paint construction, finish paint construction, ink-jet printed, varnish construction and polishing waxer process flow, in different technological processes, the parameter such as quantity for spray to baking temperature, drying time, paint is controlled respectively.
As shown in Figure 1, its concrete steps are as follows for the ink-jet printing method of sanitaryware of the present invention:
S100, sanitaryware sizing: materials processing is become to sanitaryware respective shapes and size.
S200, surface cleaning: comprise de-ester, grinding and clean.Concrete steps are, sanitaryware surface are taken off to ester processing with surface cleaner, and carry out mechanical lapping with sand paper effects on surface, then use surface cleaner clean surface.
S300, priming paint construction: comprise that priming paint applies and priming paint is dry.Concrete steps are, after surface cleaning completes, adopt either type in spraying, brushing and roller coat to carry out priming paint coating to sanitaryware surface, dodge and do to after unglazed, then be dried, and form one deck priming paint dry film.
S400, finish paint construction: comprise that finish paint applies and finish paint is dry.Concrete steps are that in putty surface adopts spraying, brushing and roller coat, either type is carried out the various coatings with look finish paint, and is dried.
S500, ink-jet printed: install ink additional; In-put design picture proof is to the software of ink-jet printer; According to the actual size of sanitaryware location, picture proof size, resolution ratio and color mode are set in software; The glass that a slice is larger than actual product size (is placed in sanitaryware location under the head of ink-jet printer, start ink-jet printer, layout is extremely on glass by shower nozzle " every sky " spray printing, then depict with dotted line frame in figuratum place on glass, determine the position of printing); Finally sanitaryware being put into dotted line frame carries out ink-jet printed.
S600, varnish construction: comprise that varnish applies and varnish-drying.Concrete steps are that in dried finish paint surface adopts spraying, brushing and roller coat, either type is carried out varnish coating, leaves standstill after 10 minutes dry again.
S700, carry out waxing polishing.
When after the construction of described step S300 priming paint, if the spraying of priming paint compared with out-of-flatness, can also comprise putty this step of constructing:
The construction of S310, putty: comprise putty thick mend to execute with thin benefit of putty execute.Concrete steps are, after sanitaryware is cooling, with after the slight polishing of sand paper one time, first carries out thick benefit of putty and execute, then carry out thin benefit of putty and execute on priming paint.
In above-mentioned steps, described priming paint, putty, finish paint and varnish all belong to coating.
As a kind of preferred version, in step S100, described material is any in magnesium alloy, aluminium alloy, magnadure, stainless steel, fiberglass.
As a kind of preferred version, in step S200, described sand paper model is 360#-600#, is preferably 400#.Sand paper model is the expression of sand paper grain thickness, and the numerical value of sand paper model is higher, and sand paper particle is thinner.Select 360#-600# model sand, can realize the effect of the technology of the present invention, adopt the lower sand paper of model numerical value, polishing speed, as 360#, is unlikely to make surperficial trace dark while adopting the higher sand papering of model numerical value, when spraying priming paint, there will not be trickle indenture, as 600#.And the sand paper of selection 400# both can guarantee that the speed of polishing was fast, also can guarantee can not make surface of bottom material trace dark in the time of polishing, therefore the sand paper of preferred 400#.
As a kind of preferred version, in step S300, priming paint must apply sanitaryware surface in 24 hours after step S200 surface cleaning, in order to avoid sanitaryware surface of bottom material absorption moisture, affect workability and film performance, and before priming paint construction sanitaryware ground temperature must be at least higher than 3 ℃ of environment dew-point temperatures because some coating system can freeze in the situation that temperature is too low, so sanitaryware ground temperature can not be too low before construction.Ground temperature must at least can make priming paint and the better combination of ground higher than environment dew-point temperature.The dry process of described sudden strain of a muscle is under temperature 20-50 ℃ state, to place to be leather hard or unglazed to priming paint surface in 2-10 minute, then temperature be under 40-70 ℃ of state, keep 0.75-10 hour completely curing to priming paint.Described priming paint build is 50-70 micron.
As a kind of preferred version, in step S310, described sand paper model is 360#-600#, is preferably 360#.Described putty is thick to be mended and executes as the putty 2-3 road of slightly constructing, dry at 20-50 ℃ of temperature, guarantees that putty bone dry solidifies, and through 80-120# sand paper dry grinding, cleans with surface cleaner after dedusting.Described putty is thin to be mended and executes as the putty 2-3 road of carefully constructing, dry at 20-50 ℃ of temperature, guarantees that putty bone dry solidifies, and through 180-240# sand paper dry grinding, cleans with surface cleaner after dedusting.Described dry grinding equipment adopts dust-collecting type to rotate freely grinder.
As a kind of preferred version, in step S400, the dry run of described finish paint is at the temperature of 20-70 ℃, to keep being dried to tack-free to finish paint in 5-20 minute.In the time that the construction temperature of ground and finish paint is 20 ℃, can reach best spraying effect.Because spray in the time that construction temperature is 20 ℃, finish paint is combined effect with ground best, can not make surface occur solvent pop because of temperature drift, is commonly called as prickly heat.Finish paint spraying road number can be adjusted according to color covering situation, and finish paint build is 30-40 micron.
In described step S500, when ink-jet printed, indoor environment is 10～30 ℃ of temperature, preferably 24～28 ℃, and humidity 20-80%; The material thickness of sanitaryware is controlled at 0.1～8 centimetre, preferably 0.5～6 centimetre; 1.1～1.4 squares ms/h of inkjet printing speed, preferably 1.2～1.3 squares ms/h.Wherein, the ink installing additional described in comprises black, cyan, magenta, yellow, light/dark balance, light cyan, shallow product look, simple one or more in black etc.Aspect environment temperature, exceed 30 ℃ or be to have no idea to print qualified pattern lower than 10 ℃ at all; Material thickness exceedes 8 centimetres of printings etc. of also having no idea.
As a kind of preferred version, in step S600, described dry run be at the temperature of 20-60 ℃, keep 0.5-24 hour completely curing to varnish, and must leave standstill at least 10 minutes before dry, in order to avoid cause the dry too fast surface that makes to occur solvent pop, be commonly called as prickly heat.Described varnish build is 40-50 micron.
Adopt the ink-jet printing method of sanitaryware of the present invention compared with prior art, tool has the following advantages and beneficial effect:
Adopt advanced inkjet technology, directly computer output finishing impression pattern, does not need the film, does not need plate-making, and printing efficiency is high, the meticulous printing of high definition, and image quality high definition is without film wire mark point, and the beautiful smooth surface color true to nature of image color is even.And what adopt in ink-jet printed technique is waterproof ink (Epson), finishing impression pattern waterproof, sun-proof, wear-resistant, guarantees not fade and do not come off for 50 years.In addition, in the present invention, coating process is stable, and gained sanitaryware has excellent corrosion resistance, the superpower and lustrous and transparent profit of paint film of the paint film adhesion on sanitaryware surface, reflecting feel is strong, color and luster even compact, surfacing, paint film is full abundant, and hardness of paint film is high, and resistance to xanthochromia, scratch-resistant performance are strong.
Embodiment 1
The magnadure frame of shower room surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 400# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at magnadure frame of shower room surface spraying 2 IC800 of road Du Pont high solid two component epoxy priming paint, and under 20 ℃ of state of temperatures, keep dodging to do to surface for 10 minutes being leather hard, again temperature be under 70 ℃ of states, keep 45 minutes completely curing to priming paint, priming paint build is 70 microns; Be cooled to after room temperature until magnadure frame of shower room, on priming paint, polish one time with 360# sand paper is slight, with the 749R of Du Pont putty slightly mend construction 3 roads, at 20 ℃ of temperature, be dried to curing, then carry out dry grinding with 120# sand paper, after dedusting, wipe examination with the nonwoven libation at an ancient wedding ceremony 3920S of the Du Pont degreaser cleaning and clean; Then carefully mend construction 2 roads with the 749R of Du Pont putty, at 50 ℃ of temperature, be dried to curingly, then carry out dry grinding with 240# sand paper, after dedusting, wipe and try to clean with the clean nonwoven libation at an ancient wedding ceremony 3920S of Du Pont degreaser; Then spray 2 C600 of road Du Pont finish paints, and 20 ℃ dry 20 minutes tack-free to finish paint, finish paint build is 30 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray 2 IC720 of road Du Pont varnish, within dry 24 hours at 20 ℃, to solidifying, varnish build is 40 microns again; Last effects on surface carries out polishing waxing, prepares a kind of magnadure frame of shower room.The stamp image quality high definition on gained magnadure frame of shower room surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Embodiment 2
The stainless steel furniture door plate surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 360# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at stainless steel furniture door plate surface spraying 1 IC800 of road Du Pont high solid two component epoxy priming paint, and under 50 ℃ of state of temperatures, keep 2 minutes dodge do to surface unglazed, then temperature be under 40 ℃ of states, keep 10 hours completely curing to priming paint, priming paint build is 50 microns; Then spray 2 C600 of road Du Pont finish paints, and 70 ℃ dry 5 minutes tack-free to finish paint, finish paint build is 40 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray 1 IC720 of road Du Pont varnish, within the temperature of 60 ℃ dry 30 minutes, to completely curing, varnish build is 50 microns again; Last effects on surface carries out polishing waxing, makes a kind of stainless steel furniture door plate.The stamp image quality high definition on gained magnadure frame of shower room surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Embodiment 3
The magnadure cabinet plate surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 600# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at aluminium alloy cabinet plate surface spraying 1 IC800 of road Du Pont high solid two component epoxy priming paint, and under 40 ℃ of state of temperatures, keep dodging to do to surface for 5 minutes being leather hard, again temperature be under 60 ℃ of states, keep 1.5 hours completely curing to priming paint, priming paint build is 60 microns; Be cooled to after room temperature until aluminium alloy cabinet plate, on priming paint, with the slight polishing of 400# sand paper one time, slightly mend 2 roads of constructing with the 749R of Du Pont putty, at 40 ℃ of temperature, be dried to curing, then carry out dry grinding with 80# sand paper, after dedusting, wipe examination with the nonwoven libation at an ancient wedding ceremony 3920S of the Du Pont degreaser cleaning and clean; Then carefully mend construction 3 roads with the 749R of Du Pont putty, at 30 ℃ of temperature, be dried to curingly, then carry out dry grinding with 180# sand paper, after dedusting, wipe and try to clean with the clean nonwoven libation at an ancient wedding ceremony 3920S of Du Pont degreaser; Then spray 1 C600 of road Du Pont finish paint, and 60 ℃ dry 9 minutes tack-free to finish paint, finish paint build is 40 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray again 1 IC720 of road Du Pont varnish, at the temperature of 50 ℃ dry 70 minutes completely curing, varnish build is 50 microns; Last effects on surface carries out polishing waxing, makes a kind of aluminium alloy cabinet plate.The stamp image quality high definition on gained magnadure frame of shower room surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Embodiment 4
The stainless steel cabinet plate surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 380# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at magnesium alloy cabinet plate surface spraying 2 IC800 of road Du Pont high solid two component epoxy priming paint, and under 35 ℃ of state of temperatures, keep 7 minutes dodge do to surface unglazed, then temperature be under 50 ℃ of states, keep 8 hours completely curing to priming paint, priming paint build is 65 microns; Be cooled to after room temperature until stainless steel cabinet plate, on priming paint, with the slight polishing of 380# sand paper one time, slightly mend 1 road of constructing with the 749R of Du Pont putty, at 30 ℃ of temperature, be dried to curing, then carry out dry grinding with 120# sand paper, after dedusting, wipe examination with the nonwoven libation at an ancient wedding ceremony 3920S of the Du Pont degreaser cleaning and clean; Then carefully mend construction 2 roads with the 749R of Du Pont putty, at 40 ℃ of temperature, be dried to curingly, then carry out dry grinding with 240# sand paper, after dedusting, wipe and try to clean with the clean nonwoven libation at an ancient wedding ceremony 3920S of Du Pont degreaser; Then spray 1 C600 of road Du Pont finish paint, and 35 ℃ dry 15 minutes tack-free to finish paint, finish paint build is 30 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray 2 IC720 of road Du Pont varnish, within the temperature of 40 ℃ dry 16 minutes, to completely curing, varnish build is 40 microns again; Last effects on surface carries out polishing waxing, makes a kind of magnesium alloy cabinet plate.The stamp image quality high definition on gained fiberglass cabinet plate surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Embodiment 5
The fiberglass cabinet plate surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 400# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at fiberglass cabinet plate surface spraying 2 IC800 of road Du Pont high solid two component epoxy priming paint, and under 30 ℃ of state of temperatures, keep dodging for 8 minutes and do to surface and be leather hard, then temperature be under 45 ℃ of states, keep 9 hours completely curing to priming paint, priming paint build is 60 microns; Be cooled to after room temperature until fiberglass cabinet plate, on priming paint, with the slight polishing of 360# sand paper one time, slightly mend 2 roads of constructing with the 749R of Du Pont putty, at 20 ℃ of temperature, be dried to curing, then carry out dry grinding with 120# sand paper, after dedusting, wipe examination with the nonwoven libation at an ancient wedding ceremony 3920S of the Du Pont degreaser cleaning and clean; Then carefully mend construction 3 roads with the 749R of Du Pont putty, at 50 ℃ of temperature, be dried to curingly, then carry out dry grinding with 240# sand paper, after dedusting, wipe and try to clean with the clean nonwoven libation at an ancient wedding ceremony 3920S of Du Pont degreaser; Then spray 2 C600 of road Du Pont finish paints, and 65 ℃ dry 7 minutes tack-free to finish paint, finish paint build is 35 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray 2 IC720 of road Du Pont varnish, within dry 24 hours at 20 ℃, to solidifying, varnish build is 45 microns again; Last effects on surface carries out polishing waxing, prepares a kind of fiberglass cabinet plate.The stamp image quality high definition on gained fiberglass cabinet plate surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Embodiment 6
The stainless steel cabinet plate surface of machine-shaping is taken off to ester processing with the 3920S of Du Pont degreaser, then with 380# sand paper, mechanical grinding is carried out on the surface after to de-ester, then cleans with the 3920S of Du Pont degreaser effects on surface; In 24 hours, at magnesium alloy cabinet plate surface spraying 2 IC800 of road Du Pont high solid two component epoxy priming paint, and under 35 ℃ of state of temperatures, keep 7 minutes dodge do to surface unglazed, then temperature be under 50 ℃ of states, keep 8 hours completely curing to priming paint, priming paint build is 65 microns; Be cooled to after room temperature until stainless steel cabinet plate, on priming paint, with the slight polishing of 380# sand paper one time, the spraying of priming paint is more smooth, omits putty this step of constructing; Then spray 1 C600 of road Du Pont finish paint, and 35 ℃ dry 15 minutes tack-free to finish paint, finish paint build is 30 microns; Start ink-jet printer, layout is passed through to shower nozzle spray printing to sanitaryware surface; Spray 2 IC720 of road Du Pont varnish, within the temperature of 40 ℃ dry 16 minutes, to completely curing, varnish build is 40 microns again; Last effects on surface carries out polishing waxing, makes a kind of magnesium alloy cabinet plate.The stamp image quality high definition on gained almag cabinet plate surface, without film site, image color is beautiful, smooth surface, color is even.Process water resistance test, fastness row can be tested, abrasion resistance properties test, all show as good.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (9)
1. an ink-jet printing method for sanitaryware, is characterized in that, the concrete steps of the ink-jet printing method of described sanitaryware are as follows:
S100, sanitaryware sizing: materials processing is become to sanitaryware respective shapes and size;
S200, surface cleaning: sanitaryware surface is taken off to ester processing with surface cleaner, and carry out mechanical lapping with sand paper effects on surface, then use surface cleaner clean surface;
S300, priming paint construction: priming paint coating is carried out in sanitaryware surface, dodge and do to after unglazed, then be dried, form one deck priming paint dry film;
Described step S300 also comprises: S310, putty construction: after sanitaryware is cooling, with after the slight polishing of sand paper one time, first carries out thick benefit of putty and execute, then carry out thin benefit of putty and execute on priming paint;
S400, finish paint construction: carry out the various coatings with look finish paint on putty surface, and be dried;
S500, ink-jet printed: In-put design picture proof is to the software of ink-jet printer; According to the actual size of sanitaryware location, picture proof size, resolution ratio and color mode are set in software; Under the head of ink-jet printer, place a slice than the large glass of actual sanitaryware size, start ink-jet printer, layout is extremely on glass by shower nozzle " every sky " spray printing, then depict with dotted line frame in figuratum place on glass, determine the position of printing; Sanitaryware is put into dotted line frame and carry out ink-jet printedly, in described ink-jet printed process, indoor environment temperature is 10～30 ℃, humidity 20-80%, and the material thickness of sanitaryware is controlled at 0.1～8 centimetre, and inkjet printing speed is 1.1～1.4 squares ms/h;
S600, varnish construction: carry out varnish coating on dried finish paint surface, leave standstill, drier;
S700, carry out waxing polishing.
2. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, the build of described priming paint is 50-70 micron; The build of described finish paint is 30-40 micron; The build of described varnish is 40-50 micron.
3. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S300, priming paint is to clean in latter 24 hours on sanitaryware surface, and sanitaryware surface is applied;
The dry process of described sudden strain of a muscle is at temperature 20-50 ℃, to place to be leather hard or unglazed to priming paint surface in 2-10 minute, then temperature be at 40-70 ℃, keep 0.75-10 hour completely curing to priming paint.
4. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S310, described putty is thick to be mended and executes as the putty 2-3 road of slightly constructing, dry at 20-50 ℃ of temperature, after putty bone dry solidifies, through sand paper dry grinding, after dedusting, clean with surface cleaner;
Described putty is thin to be mended and executes as the putty 2-3 road of carefully constructing, and dry at 20-50 ℃ of temperature, putty bone dry through sand paper dry grinding, cleans with surface cleaner after dedusting after solidifying.
5. the ink-jet printing method of sanitaryware according to claim 4, is characterized in that, in step S310, is 360#-600# for the described sand paper model of the priming paint of polishing;
The thick benefit of described putty adopts 80-120# sand paper to carry out dry grinding in executing;
The thin benefit of described putty adopts 180-240# sand paper to carry out dry grinding in executing;
In step S200, described sand paper model is 360#-600#.
6. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S400, the dry run of described finish paint is to keep 5-20 minute at the temperature of 20-70 ℃.
7. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S400, the construction temperature of ground and finish paint is 20 ℃.
8. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S600, described dry run is to keep 0.5-24 hour at the temperature of 20-60 ℃;
In step S600, before being dried, leave standstill at least 10 minutes.
9. the ink-jet printing method of sanitaryware according to claim 1, is characterized in that, in step S100, described sanitaryware is bathroom cabinet, furniture door plate, frame of shower room or water-closet bowl cover plate.
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| CN103144483A (en) * | 2013-03-26 | 2013-06-12 | 梁慧娴 | Water transfer printing manufacturing technique applied to sanitary products |
| CN103963508B (en) * | 2014-04-28 | 2016-02-10 | 美克国际家私（天津）制造有限公司 | Finishing Technology for American Style Furniture antique-imitation method |
| CN105860752A (en) * | 2016-05-05 | 2016-08-17 | 何文林 | Transportation vehicle shell, transportation vehicle shell surface treatment method and transportation vehicle |
| CN107471844A (en) * | 2017-07-21 | 2017-12-15 | 阜南县大自然工艺品有限公司 | A kind of woven products surface printing method |
| CN109501504A (en) * | 2018-12-11 | 2019-03-22 | 广东好之柜科技有限公司 | A kind of incrustation door-plate and preparation method thereof |
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