CN104149510B - Method for coating irregular curved surface complex pattern - Google Patents
Method for coating irregular curved surface complex pattern Download PDFInfo
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- CN104149510B CN104149510B CN201410393261.4A CN201410393261A CN104149510B CN 104149510 B CN104149510 B CN 104149510B CN 201410393261 A CN201410393261 A CN 201410393261A CN 104149510 B CN104149510 B CN 104149510B
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- boundary surface
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Abstract
The invention discloses a method for coating an irregular curved surface complex pattern. The method comprises printing surface spraying, jig manufacturing and transferring. According to the method, the limitation of the shape of a material printing surface is broken through, and the effect of presenting the pattern in a spraying and light irradiation mode is achieved; for a single-color pattern, a transferring film for manufacturing each product is omitted, the cost is saved, and the problem that in the water transfer printing technology, positions and patterns lack consistency is solved; a curved-surface shading film is used, so that the requirement for the light source parallelism is greatly reduced, the product technology can be used for a common product, and the production precision and consistency are improved.
Description
Technical field
A kind of the invention belongs to external coating technical field, more particularly to coating process of Irregular Boundary Surface complex pattern.
Background technology
It is available for the decoration of material irregular surface (on-plane surface, irregular surface) ad-hoc location or specific pattern
Mode substantially have thermal transfer, cold transfer (water gauge transfer), water coating transfer, bat printing, block spraying this several method.For heat
Transfer, its principle is to utilize vacuum pressure differential, is aided with pressure roller, heat transfer film is fitted on printing face completely, using institute
Using the hot melt of ink, stick on printing face.Based on the principle that, for concave surface, or there is ratio in printing face
More precipitous turnover, as the air between transfer film and material can not possibly be fallen by suction completely, what transfer film was inevitable cannot be complete
It is fitted on printing face entirely, it is impossible to complete transfer.Some are complex-curved, although be evagination, can accomplish transfer film and material
Between relatively higher vacuum, but as shape is special, or exceeded the limit of stretch of transfer film, or cannot develop
Go out appropriate pressure roller, equally not transferability.For cold transfer (water gauge transfer), attached on printing face manually.
Due to the pad pasting by the way of manual or manual oil (gas) filling device auxiliary, it is better than thermal transfer to the shape adaptability in printing face, but together
Sample is limited to the limit of stretch and printing face shape of transfer film.Another significantly has the disadvantage that the uniformity of manual pad pasting is
Cannot ensure, be equipped with the product of high request to pattern, it is impossible to transfer.For water coating is transferred, then it is that transfer film is placed on
The water surface, after spraying with activator, transfer film is dissolved in water, and ink is swum on the water surface with glue-line.By workpiece from water (under ink
Side) pull out, while water flows away, ink has been transferred on printing face.The technique has been dissolved in water due to transfer film, therefore
Do not limited by transfer film limit of stretch.But uniformity extreme difference, can only typically be used for transferring abstract design such as boa dermatoglyph, camouflage color
Line.For bat printing, its technical process is just like striking chapter.It is also higher for the requirement of printing face shape, the big indent of Curvature varying
Face, the face with precipitous turnover, due to can not develop suitable bat printing head, (some can not just be developed from technological principle, and some are
Technological principle is set up but actual tests do not go out), it is impossible to using the technique.Some are due to tolerance during printing product manufacturing, bat printing
Effect is undesirable.For spraying is blocked, refer to that (the typically hard material such as metal or plastic cement, some occasions are bullets with tool
Gonosome) need not apply be attached to where cover up and sprayed, remove tool after completion, pattern displayed.Should
For technique, the corresponding tool of pattern must be continuous, cannot otherwise ensure position relationship between tool (such as English alphabet O due to
Inside and outside two ovals are discontinuous, cannot just hide spray with common screening spray mode)；Tool must be fitted with material closely (otherwise side
Edge has seepage, and pattern edge can be jagged), but due to the certainly existing property of product manufacturing tolerance, therefore closely often fit
It is difficult to accomplish very good, the general method is the burr for allowing certain size；Especially fine pattern (such as fade effect) is developed not
Shading fixture.At present, there is printing face shape and be restricted in existing trailing, to the unconfined mode of shape, (water is draped over one's shoulders
Cover, block spraying) under again to the conditional problem of pattern.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of Irregular Boundary Surface pattern decorative method, it is intended to solve trailing
There is printing face shape is restricted, again conditional to pattern under to the unconfined mode of shape (spraying is blocked in water coating)
Problem.
The embodiment of the present invention is achieved in that a kind of coating process of Irregular Boundary Surface complex pattern, the trailing
Technological process includes the spraying of printing face, makes shading tool, exposure imaging；
Described making shading tool is referred to：Making one can be with the tool of material printing face good fit, itself and printing
There is pattern face fitting part, this pattern with by the pattern presented on printing face into complementary relationship.This tool can be hard,
It is consistent with shape when working constant when completing, all it is Irregular Boundary Surface shape, or soft, that is, makes
When completing and when working, shape is inconsistent, and presenting when only in action can be with the Irregular Boundary Surface shape of printing face good fit
Shape；
Hard shading tool can be obtained in following methods：1. pair water white transparency PET thin slices (with 0.1 to 0.2MM thickness are
It is good) carry out thermoforming (plastic uptake or superelevation are molded), the cell-shell of an energy and material good fit is obtained, (good fit is
Refer to that the gap between cell-shell and material is less than 0.2MM, to ensure the validity of pattern).2. will be the negative image for needing the pattern of transfer cold
It is transferred on cell-shell.
Soft tool refers to that using the little elastic film of easily stretchable and permanent set (such as transparent modified TPU film) be base
Material, it would be desirable to which the negative image of the pattern of transfer prints thereon.
Described printing face spraying is referred to printing face spraying alkali-soluble photosensitive development coating, and is dried according to coating self property
Bake or stand to surface drying；
Described tool laminating refers to and shading tool is fitted on printing face.For hard tool, can be direct by material
It is placed on tool and applies convenient pressure；For soft tool can use the mode for vacuumizing, elastic film is made to fit with material.
Described exposure, to refer to and irradiate printing face with ultraviolet source through shading tool.Light source position and time for exposure according to
Shape of product determines.
Printing face is sprayed with dilute sodium carbonate solution, the part not being irradiated to by ultraviolet easily can wash away, and leave target
Pattern.
Further, alkali-soluble photosensitive invisible ink is sprayed in described printing face spraying, for the pattern of Irregular Boundary Surface
Decoration.
Further, nonplanar shading tool used in described making tool, or be plane or ruled surface when making
, when in action, shading surface is on-plane surface or irregular surface.
The Irregular Boundary Surface pattern decorative method that the present invention is provided, breaches the restriction to material printing face shape, realizes
Spraying, luminous energy irradiate the effect pattern is presented；For monochromatic pattern eliminates making per a piece of transfer film of product, save
The cost of monochromatic pattern, solves the problems, such as that water coating transfer printing process position is not enough with the uniformity of pattern；Using curved surface
Shading tool, greatly reduces the requirement to source parallel, and the technique of product can be used on mill run, improve production
Accuracy.The coating process of Irregular Boundary Surface complex pattern solves printing face shape and is restricted, to the unconfined side of shape
To the conditional problem of pattern under formula, cost is reduced, improve production accuracy.
Description of the drawings
Fig. 1 is the process chart of Irregular Boundary Surface pattern decorative method provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is not used to only to explain the present invention
Limit the present invention.
Below in conjunction with the accompanying drawings and specific embodiment to the present invention application principle be further described.
As shown in figure 1, a kind of coating process of Irregular Boundary Surface complex pattern, a kind of painting of Irregular Boundary Surface complex pattern
Dress method, the trailing technological process include printing face spraying S101, make shading tool S102, exposure imaging S103；
Described printing face spraying S101 is referred to printing face spraying alkali-soluble photosensitive development coating；
Described making shading tool S102 is referred to：Make one can with the tool of material printing face good fit, its with
There is pattern printing face fitting part, this pattern with by the pattern presented on printing face into complementary relationship.
Described exposure imaging S103 is referred to and is attached shading tool on printing face, with ultraviolet source irradiation, with dilute carbon
Acid sodium solution sprays printing face, and the part not being irradiated to by ultraviolet easily can wash away, and leave target pattern.
Further, in described printing face spraying S101, sprayed coating adopts alkali-soluble photosensitive invisible ink, for not advising
The then pattern decorative of inner sunken face.
Further, nonplanar shading tool used in described making tool S102, or be plane or rule when making
Curved surface, when in action, shading surface is on-plane surface or irregular surface.
Operation principle
As shown in figure 1, a kind of coating process technological process of Irregular Boundary Surface complex pattern include printing face spraying S101,
Make shading tool S102, exposure imaging S103；Described printing face spraying S101 is referred to and is sprayed alkali-soluble photosensitive to printing face
Development coating；It is described make shading tool S102 make one can be with the tool of material printing face good fit, itself and printing
There is pattern face fitting part, this pattern with by the pattern presented on printing face into complementary relationship；Described transfer S103 is referred to
The shading tool of the pattern of application needed for correspondence is attached on printing face with ultraviolet source irradiation, is sprayed with dilute sodium carbonate solution
Printing face, the part not being irradiated to by ultraviolet easily can wash away, and leave target pattern.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (1)
1. a kind of coating process of Irregular Boundary Surface complex pattern, it is characterised in that the coating process technological process includes making
Shading tool, the spraying of printing face, tool laminating, exposure, development；
Described making shading tool is referred to：Make one to fit with printing face with the tool of material printing face good fit
There is a pattern part, pattern with by the pattern presented on printing face into complementary relationship；Tool is hard, that is, when completing and
When working, shape is unanimously constant, is all Irregular Boundary Surface shape, or soft, that is, when completing and work
When shape it is inconsistent, when only in action present can be with the Irregular Boundary Surface shape of printing face good fit；Hard shading tool
Can be obtained by following methods：Thermoforming is carried out for 0.1 to 0.2MM PET thin slices to water white transparency thickness, an energy is obtained
With the cell-shell of material good fit, the gap between cell-shell and material is less than 0.2MM；The cold transfer of negative image of the pattern of transfer will be needed
To cell-shell；Soft tool refers to that using the little elastic film of easily stretchable and permanent set be base material, it would be desirable to the figure of transfer
The negative image of case prints thereon；
Described printing face spraying referred to printing face spraying alkali-soluble photosensitive development coating, and toast according to coating self property or
Stand to surface drying；
Described tool laminating refers to and shading tool is fitted on printing face；For hard tool, material can directly be placed
On tool and apply convenient pressure；For soft tool can use the mode for vacuumizing, elastic film is made to fit with material；
Described exposure, to refer to and irradiate printing face with ultraviolet source through shading tool；Light source position is with the time for exposure according to product
Shape determines；Printing face is sprayed with dilute sodium carbonate solution, the part not being irradiated to by ultraviolet easily can wash away, and leave target
Pattern；Alkali-soluble photosensitive invisible ink or paint are sprayed in described printing face spraying, for the pattern decorative of Irregular Boundary Surface；
It, in Irregular Boundary Surface shape, or is plane or ruled surface when making that used in described exposure, shading tool is, is being risen
During effect, flexible shading tool is in Irregular Boundary Surface shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393261.4A CN104149510B (en) | 2014-08-12 | 2014-08-12 | Method for coating irregular curved surface complex pattern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410393261.4A CN104149510B (en) | 2014-08-12 | 2014-08-12 | Method for coating irregular curved surface complex pattern |
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| CN104149510A CN104149510A (en) | 2014-11-19 |
| CN104149510B true CN104149510B (en) | 2017-03-22 |
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| CN201410393261.4A Active CN104149510B (en) | 2014-08-12 | 2014-08-12 | Method for coating irregular curved surface complex pattern |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016123740A1 (en) * | 2015-02-02 | 2016-08-11 | 浙江大学 | Calculable 3d color printing method |
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| CN101196690A (en) * | 2006-12-05 | 2008-06-11 | 上海广电Nec液晶显示器有限公司 | Production method for shading mask plate and its application |
| CN101458450A (en) * | 2007-12-14 | 2009-06-17 | 联想(北京)有限公司 | Method for making metallic surface pattern |
| MY156318A (en) * | 2008-10-20 | 2016-02-15 | Sumitomo Bakelite Co | Positive photosensitive resin composition for spray coating and method for producing through electrode using the same |
| CN102023478A (en) * | 2009-09-16 | 2011-04-20 | 东莞市伟峰印刷有限公司 | Etching method for three-dimensional workpiece |
| CN102480533B (en) * | 2010-11-26 | 2015-09-30 | 比亚迪股份有限公司 | A kind of metal shell and preparation method thereof |
| CN102981369A (en) * | 2012-12-20 | 2013-03-20 | 福建福晶科技股份有限公司 | Optical filming side stopping method |
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