CN104368511A - Processing technology for plastic product surface pattern - Google Patents
Processing technology for plastic product surface pattern Download PDFInfo
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- CN104368511A CN104368511A CN201410638967.2A CN201410638967A CN104368511A CN 104368511 A CN104368511 A CN 104368511A CN 201410638967 A CN201410638967 A CN 201410638967A CN 104368511 A CN104368511 A CN 104368511A
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Abstract
The invention relates to the field of product surface processing, in particular to a processing technology for a plastic product surface pattern. The technology includes the following steps of (A) plastic product clamping, (B) water transfer printing, (C) baking, (E) coating of a plastic product, (F) surface paint spraying and (G) baking. The surface of the plastic product is processed through the procedures of plastic product clamping, water transfer printing, baking, coating of the plastic product, surface paint spraying and baking, the surface of the coated plastic product is in a spraying range, a gradually varied effect from dark to light is generated from the center of a spray gun to the edge, and other places of the surface of the plastic product are coating patterns, so that the surface of the plastic pattern has the special pattern and attractive texture, the technical problems that a surface pattern of a plastic product is single and texture is poor are solved, and the requirement of people for delicacy of the surface of the plastic product is met.
Description
Technical field
The present invention relates to product surface processing technology field, refer in particular to a kind for the treatment of process of plasthetics surface pattern.
Background technology
Along with the enhancing day by day with aesthetic conceptions that improves constantly of people's living standard, no matter be require also more and more to be particular about to daily living article or to the incrustation of industrial plasthetics.Some plasthetics, normally add pigment in the moulding process such as injection moulding or blowing, and make its surface seem to have certain aesthetic feeling, but the surface of the plasthetics of embarking on journey out by this method seems very dull, texture is poor.
At present, by a kind of method of water transfer printing, the lines of glued membrane is transferred to the outer surface of plasthetics, such as the design transfer with natural wood grain, bag and various colour to the surface of plasthetics, what make plasthetics has a kind of natural visual effect attractive in appearance.Adopt in this way, the lines of plasthetics directly comes from the lines of glued membrane, generally by setting in advance the lines of glued membrane in prior art, be transferred on plasthetics with the glued membrane lines set, its texture is poor, and plasthetics surface pattern is also relatively single, and works as the complicated structure of plasthetics, and the lines of plasthetics surface requirements more special time, cannot the requirement of plastic composite additive satisfies surface pattern with the glued membrane set.
Summary of the invention
The technical problem to be solved in the present invention is to provide one can improve plasthetics surface quality, make it have gradual change texture attractive in appearance and abundant lines, to promote plasthetics class and to meet the treatment process of people to the plasthetics surface pattern of the requirement of the continuous pursuit of plasthetics surface aesthetic.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind for the treatment of process of plasthetics surface pattern, and it comprises the following steps:
A, clamp plasthetics, the plasthetics fixture of anticipating is clamped fixing;
B, water transfer printing, the glued membrane having sprayed activator being placed into water temperature is in the water of 30 ~ 40 DEG C, plasthetics is put into water and carries out transfer printing with glued membrane;
C, baking, the plasthetics that water transfer printing completes being positioned over temperature is in the roasting plant of 70 ~ 80 DEG C, and baking time is 40 ~ 50 minutes;
E, application plasthetics, be fixed in coating equipment by the plasthetics after baking, and the colored paint spray gun modulated is coated with the surface being contained in plasthetics, the plasthetics after painting is installed produces fade effect from gun slot center to edge;
F, topcoating, be sprayed on the finish paint modulated on the surface being coated with and installing the plasthetics of colored paint;
G, baking, toast plasthetics complete for topcoating, makes colored paint and the topcoating cures on plasthetics surface, and plasthetics is dried.
Wherein, in described step B, plasthetics is put into water with the angle of inclination of 24 ~ 26 ° and carries out water transfer printing with glued membrane.
Wherein, in described step e, the viscosity of colored paint is 9.5 ~ 10.5 seconds.
Wherein, in described step e, the distance on spray gun and plasthetics surface is 152 ~ 168mm, and the angle of spray gun application is 45 ~ 58 °.
Wherein, in described step e, spray gun atomizing pressure is 4.5 ~ 5.5 kg/cm2.
Wherein, in described step e, the pressure that spues of spray gun is 4.5 ~ 5.5 kg/cm2, and the discharge flow of spray gun is 40 ~ 50g/min.
Wherein, in described step e, the spraying swath pressure of spray gun is 4.5 ~ 5.5 kg/cm2, and the spraying swath of spray gun is 15 ~ 25mm.
Wherein, in described step e, it is 10 ~ 15um that spray gun is coated with the thickness being contained in the colored paint on plasthetics surface.
Wherein, in described step F, the viscosity of this finish paint is 11.5 ~ 13.5 seconds, and the thickness of plasthetics surface finish paint is 30 ~ 35um.
Wherein, comprise the following steps in described step G:
G1, sent by tunnel type heat tunnel by the plasthetics conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 70 DEG C ~ 80 DEG C, and the speed of driving-belt is 0.8 ~ 1.2m/min.
G2, to be positioned in baking oven by plasthetics and to toast, the temperature in baking oven is 70 DEG C ~ 80 DEG C, and baking time is 1.5 ~ 2 hours.
Beneficial effect of the present invention is: the present invention is by clamping plasthetics; Water transfer printing; Baking; Application plasthetics; Topcoating and roasting procedure enter surface treatment to plasthetics, the surface of the plasthetics after painting is installed is within the scope of spraying swath, produce by dark to light fade effect from gun slot center to edge, and other places on plasthetics surface are the lines of glued membrane, the surface of plasthetics is made to have special lines and texture attractive in appearance, solve plasthetics surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics surface.
Accompanying drawing explanation
Fig. 1 is the planar structure schematic diagram of plasthetics in the present invention.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
As shown in Figure 1, the invention provides a kind for the treatment of process of plasthetics surface pattern, it is characterized in that: it comprises the following steps:
A, clamp plasthetics, the plasthetics fixture of anticipating is clamped fixing; Concrete, the plasthetics formed out through clean place, make the cleannes on plasthetics surface meet the requirement of water transfer printing, plasthetics fixture is clamped fixing, for water transfer printing is prepared.
B, water transfer printing, the glued membrane having sprayed activator being placed into water temperature is in the water of 30 ~ 40 DEG C, plasthetics is put into water and carries out transfer printing with glued membrane; Concrete, described glued membrane is the textured glued membrane of band, and the lines of the preferred glued membrane of the present invention is wooden dermatoglyph, in transfer process, the laminating speed of plasthetics and glued membrane should keep even, avoid glued membrane gauffer and cause the entanglement of glued membrane lines, water temperature is too low, can cause the decreased solubility of glued membrane, glued membrane is difficult to be fitted in plasthetics surface, water temperature over-high easily damages the lines of glued membrane, causes glued membrane lines to be out of shape, affects the attractive in appearance of plasthetics.Water temperature is 30 ~ 40 DEG C and ensures that glued membrane firmly transfer printing can be fitted in the surface of plasthetics, avoids the lines of glued membrane to be out of shape, makes the attractive in appearance of plasthetics surface.
C, baking, the plasthetics that water transfer printing completes being positioned over temperature is in the roasting plant of 70 ~ 80 DEG C, and baking time is 40 ~ 50 minutes; Plasthetics after effects on surface laminating glued membrane toasts, and removes the moisture on plasthetics surface, increases the fastness that glued membrane is attached to plasthetics surface.Baking temperature is too low, the time is too short, can cause the moisture can not removing plasthetics surface, glued membrane and plasthetics adhesive force little, easily come off; Baking temperature is too high, the time is oversize, and glued membrane can be caused to produce distortion, and sight is poor, affects the aesthetic feeling of plasthetics.Baking temperature is 70 ~ 80 DEG C, and the time is 40 ~ 50 minutes, avoids glued membrane to be out of shape, comes off, and makes glued membrane firmly be attached to plasthetics surface.The present invention toasts the plasthetics after transfer printing, and other select treatment process steps such as drying up relatively, and technological parameter (temperature, time) easily controls, and easily realizes batch and automated production.
E, application plasthetics, be fixed in coating equipment by the plasthetics after baking, and the colored paint spray gun modulated is coated with the surface being contained in plasthetics, the plasthetics after painting is installed produces fade effect from gun slot center to edge; Concrete, the present invention adopts manipulator control spray gun to move, and carries out application with round end spray gun to plasthetics 1 surface.
As shown in Figure 1, lance head 2 aims at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, color spray paint is carried out to plasthetics 1, the colored paint of the ejection of spray gun center is more concentrated, ejection two is also larger, spraying effect is darker, within the scope of the spraying swath of spray gun setting, the surface of plasthetics 1 is sprayed onto after the place that spray gun is swept to is atomized by colored paint, spray dress effect is relatively light, thus make plasthetics 1 by within the scope of the spraying swath upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines (wooden dermatoglyph) of glued membrane.
F, topcoating, be sprayed on the finish paint modulated on the surface being coated with and installing the plasthetics of colored paint; Concrete; finish paint is the finish paint with transparent effect; to application plasthetics topcoating; the colored paint on plasthetics surface and the lines of glued membrane are played a protective role; prevent the lines of plasthetics surface colored paint and glued membrane from being ground flower; wearing and tearing, even come off, plasthetics can be made again to represent gloss-look effect.
G, baking, toast plasthetics complete for topcoating, makes colored paint and the topcoating cures on plasthetics surface, and plasthetics is dried.The plasthetics having sprayed finish paint is toasted, make finish paint rapid curing and be attached to the surface of colored paint and glued membrane, and make the further dryness finalization of glued membrane, colored paint and finish paint, strengthen the fastness that glued membrane, colored paint and finish paint are attached to plasthetics surface, improve the efficiency of production.
The present invention is by clamping plasthetics; Water transfer printing; Baking; Application plasthetics; Topcoating and roasting procedure enter surface treatment to plasthetics, the surface of the plasthetics after painting is installed is within the scope of spraying swath, produce by dark to light fade effect from gun slot center to edge, and other places on plasthetics surface are the lines of glued membrane, the surface of plasthetics is made to have special lines and texture attractive in appearance, solve plasthetics surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics surface.
Wherein, in described step B, plasthetics is put into water with the angle of inclination of 24 ~ 26 ° and carries out water transfer printing with glued membrane.Plasthetics is adopted to become the angle of inclination Xia Shui of 24 ~ 26 ° with horizontal plane, the contact area being plasthetics and the water surface is little, avoid producing bubble during water under plasthetics, cause plasthetics and glued membrane transfer printing not to fit well, the excessive glued membrane that even can cause of bubble breaks.Plasthetics is put into water with the angle of inclination of 24 ~ 26 ° and is carried out water transfer printing with glued membrane by the present invention, substantially increases the qualification rate of plasthetics water transfer printing, reduces production cost.
Wherein, in described step e, the viscosity of colored paint is 9.5 ~ 10.5 seconds.When application, the viscosity of colored paint is excessive, and the levelability of colored paint is poor, is coated with and is contained in plasthetics surface and can produces orange peel phenomenon, be atomized bad, and the paint film being sprayed on plasthetics surface is coarse and glossiness is poor; The viscosity of colored paint is excessively rare, and the pigment meeting heavy deposition in colored paint, the paint film color being sprayed on plasthetics surface is uneven, also can produce the phenomenons such as sagging.The viscosity of colored paint is 9.5 ~ 10.5 seconds, makes the good leveling property of colored paint, and product surface reflecting feel is strong, effectively avoid orange peel, pigment can heavy deposition, paint film is coarse, paint film color is uneven and the phenomenon such as sagging.
Wherein, in described step e, the distance on spray gun and plasthetics surface is 152 ~ 168mm, and the angle of spray gun application is 45 ~ 58 °.As shown in Figure 1, concrete, spray gun and the distance on plasthetics surface refer to that the distance on the base of plasthetics is aimed at lance head center, and the angle of spray gun application refers to angle formed by lance head and product surface.In spraying coating process, the distance on spray gun and plasthetics surface and the angle of spray gun application are one of technological parameters of the colored paint aberration affecting plasthetics surface.
In actual applications, the impact on plasthetics surface colored paint color aberration of the distance on spray gun and plasthetics surface and the angle of spray gun application is larger, adopt different spray dress Distance geometry difference spray dress angle, plasthetics surface colored paint can be made to produce aberration and obtain different spray dress effects.The present invention adopts the distance on spray gun and plasthetics surface to be 152 ~ 168mm, and the angle of spray gun application is 45 ~ 58 °, the colored paint on plasthetics surface is produced by deeply to light fade effect, enhances the texture of plasthetics.
Meanwhile, the distance on spray gun and plasthetics surface is too near, easily causes the phenomenon such as sagging, orange peel, produces webbing (blowing crimping); Spray gun and plasthetics surface apart from too far away, paint film is thinning, colored paint loss is large, and paint film easily comes off, paint film out-of-flatness, the gloss on plasthetics surface is greatly reduced time serious, hypertelorism, spraying drop on plasthetics on the surface before solvent in colored paint volatilize, cause colored paint to lose mobility and form particle (pit), and meeting insufficient pressure, causes the generation of orange peel.In the present invention, the distance on spray gun and plasthetics surface is 152 ~ 168mm, the angle of spray gun application is 45 ~ 58 °, it also avoid the phenomenons such as paint film easily comes off, paint film out-of-flatness, particle (pit), orange peel, enhances glossiness and the texture effect on plasthetics surface.
Wherein, in described step e, spray gun atomizing pressure is 4.5 ~ 5.5 kg/cm2.In actual applications, spray gun atomizing pressure is too high, and atomization is thin, and colored paint disperses many, and plasthetics surface colored paint color is difficult to control; It's the end pasts atomizing pressure, insufficient pressure, and colored paint spraying is thicker, and the colored paint on plasthetics surface produces the defect such as orange peel, pin hole, also can produce sagging phenomenon.In the present invention, spray gun atomizing pressure, in 4.5 ~ 5.5 kg/cm2, avoids colored paint and disperses, the phenomenon such as orange peel, pin hole, the colored paint on plasthetics surface is produced by deeply to light fade effect, enhances the texture of plasthetics.
Wherein, in described step e, the pressure that spues of spray gun is 4.5 ~ 5.5 kg/cm2, and the discharge flow of spray gun is 40 ~ 50g/min.In actual applications, pressure and the discharge flow aberration on plasthetics surface colored paint that spues of spray gun all has impact; The pressure that spues of spray gun is 4.5 ~ 5.5 kg/cm2, and the discharge flow of spray gun is 40 ~ 50g/min, and the colored paint on plasthetics surface is produced by deeply to light fade effect.
Wherein, in described step e, the spraying swath pressure of spray gun is 4.5 ~ 5.5 kg/cm2, and the spraying swath of spray gun is 15 ~ 25mm.
In practical application, the spraying swath size of spray gun directly has influence on once spray and is contained in the colored paint coverage on plasthetics surface, preferably, the spraying swath pressure of spray gun is 4.5 ~ 5.5 kg/cm2, the spraying swath of spray gun is 15 ~ 25mm, makes the colored paint of plasthetics surface in 15 ~ 25mm produce by deeply to light fade effect.
Wherein, in described step e, it is 10 ~ 15um that spray gun is coated with the thickness being contained in the colored paint on plasthetics surface.The thickness application of colored paint blocked up, the solvent in colored paint cannot volatilize in time and be wrapped in the coating, through after a period of time, form pin hole, and the fade effect on plasthetics surface is poor from colored paint during volatilization effusion; The fade effect of colored paint too thin surface is discontinuous, and the colored paint out-of-flatness of plasthetics surface, glossiness is poor.The thickness of colored paint is 10 ~ 15um, makes that plasthetics surface colored paint is smooth, glossiness good, strengthens the fade effect of plasthetics, avoids the phenomenons such as pin hole.
Wherein, in described step F, the viscosity of this finish paint is 11.5 ~ 13.5 seconds, and the thickness of plasthetics surface finish paint is 30 ~ 35um.The viscosity of finish paint is excessive, and levelability is poor, is atomized bad, and the paint film being sprayed on plasthetics surface is coarse and glossiness is poor; The viscosity of finish paint is excessively rare, can produce the phenomenons such as sagging; Finish paint is blocked up, and paint film is easy to crack; Finish paint is excessively thin, and plasthetics surface irregularity, glossiness is poor.The viscosity of finish paint is 11.5 ~ 13.5 seconds; the thickness of plasthetics surface finish paint is 30 ~ 35um; the good leveling property of finish paint; be atomized during topcoating; make plasthetics surfacing, gloss is strong, and plays a protective role to the colored paint on plasthetics surface and the lines of glued membrane; avoid finish paint sagging, the phenomenons such as paint film is easy to crack simultaneously.
Wherein, comprise the following steps in described step G:
G1, sent by tunnel type heat tunnel by the plasthetics conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 70 DEG C ~ 80 DEG C, and the speed of driving-belt is 0.8 ~ 1.2m/min.
G2, to be positioned in baking oven by plasthetics and to toast, the temperature in baking oven is 70 DEG C ~ 80 DEG C, and baking time is 1.5 ~ 2 hours.
Concrete, the plasthetics having sprayed finish paint is transported to operator by conveyer belt from paint booth go out, tunnel type is used in arranging of conveyer belt, and tunnel square on a moving belt arranges heater element, while conveyer belt passes through from tunnel with plasthetics, plasthetics is also toasted.When plasthetics is transported to operation distant place, operator puts into consideration plasthetics, further toasts plasthetics.Carrying out in bake process plasthetics, if baking temperature is too low or baking time is too short, paint film is just soft, poor performance.Baking temperature is too high or baking time is long, and the disadvantage of embrittlement appears in paint film, also may cause peeling paint.
While the present invention adopts and transmits plasthetics, and plasthetics is toasted, improve the efficiency of production; Meanwhile, finish paint solidified in time and is attached to the surface of colored paint and glued membrane, and making the further dryness finalization of glued membrane, colored paint and finish paint, strengthening the fastness that glued membrane, colored paint and finish paint are attached to plasthetics surface.
embodiment one.
Plasthetics 1 is carried out clamping fixing with fixture; The glued membrane having sprayed activator being placed into water temperature is in the water of 30 DEG C; Plasthetics 1 is put into water with the angle of inclination of 24 ° and carries out water transfer printing with glued membrane; Then the plasthetics 1 that water transfer printing completes being positioned over temperature is that the roasting plant of 70 DEG C toasts 50 minutes; After having toasted, plasthetics 1 is fixed in coating equipment, lance head 2 is aimed at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, the colored paint spray gun modulated is coated with the surface being contained in plasthetics 1, wherein, the viscosity of colored paint is 9.5 seconds; The distance on spray gun and plasthetics 1 surface is 152mm, the angle of spray gun application is 58 °, spray gun atomizing pressure is 4.5kg/cm2, the pressure that spues of spray gun is 4.5 kg/cm2, the discharge flow of spray gun is 40g/min, the spraying swath pressure of spray gun is 4.5 kg/cm2, and the spraying swath of spray gun is 15mm, and it is 10um that spray gun is coated with the thickness being contained in the colored paint on plasthetics 1 surface; The finish paint modulated is sprayed on the surface being coated with and installing the plasthetics 1 of colored paint, wherein, the viscosity of finish paint is 11.5 seconds, and the thickness of the surperficial finish paint of plasthetics 1 is 30um; Sent by tunnel type heat tunnel by plasthetics 1 conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 70 DEG C, and the speed of driving-belt is 0.8m/min; Plasthetics 1 being positioned over temperature is toast in 70 DEG C of baking ovens again, and baking time is 2 hours.Make plasthetics 1 by within the scope of the 15mm upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines of glued membrane, the surface of plasthetics 1 is made to have special lines and texture attractive in appearance, solve plasthetics 1 surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics 1 surface.
embodiment two.
Plasthetics 1 is carried out clamping fixing with fixture; The glued membrane having sprayed activator being placed into water temperature is in the water of 40 DEG C; Plasthetics 1 is put into water with the angle of inclination of 26 ° and carries out water transfer printing with glued membrane; Then the plasthetics 1 that water transfer printing completes being positioned over temperature is that the roasting plant of 80 DEG C toasts 40 minutes; After having toasted, plasthetics 1 is fixed in coating equipment, lance head 2 is aimed at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, the colored paint spray gun modulated is coated with the surface being contained in plasthetics 1, wherein, the viscosity of colored paint is 10.5 seconds; The distance on spray gun and plasthetics 1 surface is 168mm, the angle of spray gun application is 45 °, spray gun atomizing pressure is 5.5kg/cm2, the pressure that spues of spray gun is 5.5kg/cm2, the discharge flow of spray gun is 50g/min, the spraying swath pressure of spray gun is 5.5 kg/cm2, and the spraying swath of spray gun is 25mm, and it is 15um that spray gun is coated with the thickness being contained in the colored paint on plasthetics 1 surface; The finish paint modulated is sprayed on the surface being coated with and installing the plasthetics 1 of colored paint, wherein, the viscosity of finish paint is 13.5 seconds, and the thickness of the surperficial finish paint of plasthetics 1 is 35um; Sent by tunnel type heat tunnel by plasthetics 1 conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 80 DEG C, and the speed of driving-belt is 1.2m/min; Plasthetics 1 being positioned over temperature is toast in 80 DEG C of baking ovens again, and baking time is 1.5 hours.Make plasthetics 1 by within the scope of the 25mm upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines of glued membrane, the surface of plasthetics 1 is made to have special lines and texture attractive in appearance, solve plasthetics 1 surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics 1 surface.
embodiment three.
Plasthetics 1 is carried out clamping fixing with fixture; The glued membrane having sprayed activator being placed into water temperature is in the water of 35; Plasthetics 1 is put into water with the angle of inclination of 25 ° and carries out water transfer printing with glued membrane; Then the plasthetics 1 that water transfer printing completes being positioned over temperature is that the roasting plant of 75 DEG C toasts 45 minutes; After having toasted, plasthetics 1 is fixed in coating equipment, lance head 2 is aimed at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, the colored paint spray gun modulated is coated with the surface being contained in plasthetics 1, wherein, the viscosity of colored paint is 10 seconds; The distance on spray gun and plasthetics 1 surface is 160mm, the angle of spray gun application is 51.5 °, spray gun atomizing pressure is 5kg/cm2, the pressure that spues of spray gun is 5kg/cm2, the discharge flow of spray gun is 45g/min, the spraying swath pressure of spray gun is 5 kg/cm2, and the spraying swath of spray gun is 20mm, and it is 12.5um that spray gun is coated with the thickness being contained in the colored paint on plasthetics 1 surface; The finish paint modulated is sprayed on the surface being coated with and installing the plasthetics 1 of colored paint, wherein, the viscosity of finish paint is 12 seconds, and the thickness of the surperficial finish paint of plasthetics 1 is 32.5um; Sent by tunnel type heat tunnel by plasthetics 1 conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 75 DEG C, and the speed of driving-belt is 10m/min; Plasthetics 1 being positioned over temperature is toast in 75 DEG C of baking ovens again, and baking time is 1.75 hours.Make plasthetics 1 by within the scope of the 20mm upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines of glued membrane, the surface of plasthetics 1 is made to have special lines and texture attractive in appearance, solve plasthetics 1 surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics 1 surface.
embodiment four.
Plasthetics 1 is carried out clamping fixing with fixture; The glued membrane having sprayed activator being placed into water temperature is in the water of 32.5; Plasthetics 1 is put into water with the angle of inclination of 24.5 ° and carries out water transfer printing with glued membrane; Then the plasthetics 1 that water transfer printing completes being positioned over temperature is that the roasting plant of 72.5 DEG C toasts 47.5 minutes; After having toasted, plasthetics 1 is fixed in coating equipment, lance head 2 is aimed at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, the colored paint spray gun modulated is coated with the surface being contained in plasthetics 1, wherein, the viscosity of colored paint is 9.75 seconds; The distance on spray gun and plasthetics 1 surface is 156mm, the angle of spray gun application is 48 °, spray gun atomizing pressure is 4.75kg/cm2, the pressure that spues of spray gun is 4.75kg/cm2, the discharge flow of spray gun is 42.5g/min, the spraying swath pressure of spray gun is 4.75 kg/cm2, and the spraying swath of spray gun is 17.5mm, and it is 11.7um that spray gun is coated with the thickness being contained in the colored paint on plasthetics 1 surface; The finish paint modulated is sprayed on the surface being coated with and installing the plasthetics 1 of colored paint, wherein, the viscosity of finish paint is 11.7 seconds, and the thickness of the surperficial finish paint of plasthetics 1 is 31.2um; Sent by tunnel type heat tunnel by plasthetics 1 conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 72.5 DEG C, and the speed of driving-belt is 0.9m/min; Plasthetics 1 being positioned over temperature is toast in 72.5 DEG C of baking ovens again, and baking time is 1.85 hours.Make plasthetics 1 by within the scope of the 17.5mm upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines of glued membrane, the surface of plasthetics 1 is made to have special lines and texture attractive in appearance, solve plasthetics 1 surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics 1 surface.
embodiment five.
Plasthetics 1 is carried out clamping fixing with fixture; The glued membrane having sprayed activator being placed into water temperature is in the water of 37.5; Plasthetics 1 is put into water with the angle of inclination of 25.5 ° and carries out water transfer printing with glued membrane; Then the plasthetics 1 that water transfer printing completes being positioned over temperature is that the roasting plant of 77.5 DEG C toasts 42.5 minutes; After having toasted, plasthetics 1 is fixed in coating equipment, lance head 2 is aimed at the base 11 of plasthetics 1, spray gun moves along the base 11 of plasthetics 1, the colored paint spray gun modulated is coated with the surface being contained in plasthetics 1, wherein, the viscosity of colored paint is 10.25 seconds; The distance on spray gun and plasthetics 1 surface is 164mm, the angle of spray gun application is 55 °, spray gun atomizing pressure is 52.5g/cm2, the pressure that spues of spray gun is 52.5kg/cm2, the discharge flow of spray gun is 47.5g/min, the spraying swath pressure of spray gun is 52.5 kg/cm2, and the spraying swath of spray gun is 22.5mm, and it is 13.7um that spray gun is coated with the thickness being contained in the colored paint on plasthetics 1 surface; The finish paint modulated is sprayed on the surface being coated with and installing the plasthetics 1 of colored paint, wherein, the viscosity of finish paint is 12.7 seconds, and the thickness of the surperficial finish paint of plasthetics 1 is 33.5um; Sent by tunnel type heat tunnel by plasthetics 1 conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 77.5 DEG C, and the speed of driving-belt is 1.1m/min; Plasthetics 1 being positioned over temperature is toast in 77.5 DEG C of baking ovens again, and baking time is 1.4 hours.Make plasthetics 1 by within the scope of the 22.5mm upwards of base 11, the colored paint on plasthetics 1 surface is by deeply to light fade effect, and other places on plasthetics 1 surface are the lines of glued membrane, the surface of plasthetics 1 is made to have special lines and texture attractive in appearance, solve plasthetics 1 surface pattern dull, the technical problems such as texture difference, meet the requirement of people to the exquisiteness on plasthetics 1 surface.
Above-described embodiment is the present invention's preferably implementation, and in addition, the present invention can also realize by alternate manner, and under the prerequisite not departing from the technical program design, any apparent replacement is all within protection scope of the present invention.
Claims (10)
1. a treatment process for plasthetics surface pattern, is characterized in that: it comprises the following steps:
A, clamp plasthetics, the plasthetics of anticipating is clamped fixing;
B, water transfer printing, the glued membrane having sprayed activator being placed into water temperature is in the water of 30 ~ 40 DEG C, plasthetics is put into water and carries out transfer printing with glued membrane;
C, baking, the plasthetics that water transfer printing completes being positioned over temperature is in the roasting plant of 70 ~ 80 DEG C, and baking time is 40 ~ 50 minutes;
E, application plasthetics, be fixed in coating equipment by the plasthetics after baking, and the colored paint spray gun modulated is coated with the surface being contained in plasthetics, the plasthetics after painting is installed produces fade effect from gun slot center to edge;
F, topcoating, be sprayed on the finish paint modulated on the surface being coated with and installing the plasthetics of colored paint;
G, baking, toast plasthetics complete for topcoating, makes colored paint and the topcoating cures on plasthetics surface, and plasthetics is dried.
2. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step B, plasthetics is put into water with the angle of inclination of 24 ~ 26 ° and carries out water transfer printing with glued membrane.
3. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and the viscosity of colored paint is 9.5 ~ 10.5 seconds.
4. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and the distance on spray gun and plasthetics surface is 152 ~ 168mm, and the angle of spray gun application is 45 ~ 58 °.
5. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and spray gun atomizing pressure is 4.5 ~ 5.5 kg/cm2.
6. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and the pressure that spues of spray gun is 4.5 ~ 5.5 kg/cm2, and the discharge flow of spray gun is 40 ~ 50g/min.
7. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and the spraying swath pressure of spray gun is 4.5 ~ 5.5 kg/cm2, and the spraying swath of spray gun is 15 ~ 25mm.
8. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step e, and it is 10 ~ 15um that spray gun is coated with the thickness being contained in the colored paint on plasthetics surface.
9. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: in described step F, and the viscosity of this finish paint is 11.5 ~ 13.5 seconds, and the thickness of plasthetics surface finish paint is 30 ~ 35um.
10. the treatment process of a kind of plasthetics surface pattern according to claim 1, is characterized in that: comprise the following steps in described step G:
G1, sent by tunnel type heat tunnel by the plasthetics conveyer belt having sprayed finish paint, the temperature in tunnel type heat tunnel is 70 DEG C ~ 80 DEG C, and the speed of driving-belt is 0.8 ~ 1.2m/min;
G2, to be positioned in baking oven by plasthetics and to toast, the temperature in baking oven is 70 DEG C ~ 80 DEG C, and baking time is 1.5 ~ 2 hours.
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