CN105618354B - A kind of connection with production of structures method and apparatus on elastic coating - Google Patents
A kind of connection with production of structures method and apparatus on elastic coating Download PDFInfo
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Abstract
The invention discloses a kind of connection with production of structures method on elastic coating, including：After elastic coating is coated, the first curing process is carried out to the elastic coating, the elastic coating after the first curing process is made to be in semi-molten state；By way of vacuum transfer, the texture on the film with texture structure is transferred on the semi-vitreous elastic coating；After the completion of transfer, the film and the elastic coating are removed；The second curing process is carried out to completing the elastic coating after removing, the elastic coating after the second curing process is fully cured.The invention also discloses the connection with production of structures devices on a kind of elastic coating.
Description
Technical field
The present invention relates to the connection with production of structures methods and dress in technical field of electronic equipment more particularly to a kind of elastic coating
It puts.
Background technology
For elastic coating because its unique feel is widely used in various electronic products, the shell of electronic product uses bullet
Property coating paints, and soft tactile feel can be obtained after drying.To enhance the beauty of product and the frictional force of shell, usually need
The design element of pattern, texture etc is added on product.Texture is added on elastic coating at present and uses laser engraving more
Mode, as shown in Figure 1, in figure 10 represent workpiece, 20 represent workpiece on colored paint coating, 30 represent colored paint coatings on elasticity
Coating, since common elastic coating is un-densified polyurethanes (PU, Polyurethane) class elastomer, therefore use
The mode of laser engraving makes texture 40 on elastic coating, and in the place of laser carving, it is easy to appear zigzag flashes；Tu1Zhong areas
The enlarged drawing of domain A is as shown in Fig. 2, the zigzag flash in the place of laser carving is high-visible.Zigzag flash can seriously affect production
The exterior quality and product quality of product.This method for being made texture on elastic coating by the way of laser engraving is not applied to
In to the stringent electronic product of exterior quality and product quality requirement.
Invention content
To solve existing technical problem, the embodiment of the present invention provides a kind of connection with production of structures method on elastic coating
And device.
The present invention provides a kind of connection with production of structures method on elastic coating, the method includes：
After elastic coating is coated, the first curing process is carried out to the elastic coating, makes the institute after the first curing process
It states elastic coating and is in semi-molten state；
By way of vacuum transfer, the texture on the film with texture structure is transferred to the semi-vitreous bullet
On property coating；
After the completion of transfer, the film and the elastic coating are removed；
The second curing process is carried out to completing the elastic coating after removing, makes the elastic coating after the second curing process
It is fully cured.
Preferably, described carry out the first curing process to elastic coating, including：
Ultraviolet light irradiation is carried out to the elastic coating, the ultraviolet energy of first curing process, which is less than, makes the bullet
Required energy is fully cured in property coating.
Preferably, the ultraviolet energy of first curing process is to make the elastic coating that required energy be fully cured
1/3~1/2.
Preferably, it is described make elastic coating be fully cured needed for ultraviolet energy be 800J~1200J.
Preferably, the described pair of elastic coating completed after stripping carries out the second curing process, including：
Ultraviolet light irradiation is carried out to the elastic coating, the ultraviolet energy of second curing process is makes the elasticity
Required energy is fully cured in coating.
Invention further provides the connection with production of structures device on a kind of elastic coating, described device includes：
First curing process unit for carrying out the first curing process to the elastic coating of coating, makes the first curing process
The elastic coating afterwards is in semi-molten state；
Texture on film with texture structure by way of being transferred vacuum, is transferred to institute by transfer unit
It states on semi-vitreous elastic coating；
Stripping unit, the film for that will complete transfer are removed with the elastic coating；
Second curing process unit for carrying out the second curing process to completing the elastic coating after removing, makes second to consolidate
Change that treated that the elastic coating is fully cured.
Preferably, the first curing process unit is further used for performing following first curing process：To the elasticity
Coating carries out ultraviolet light irradiation, and the ultraviolet energy of first curing process is required less than the elastic coating is fully cured
Energy.
Preferably, the ultraviolet energy of first curing process is to make the elastic coating that required energy be fully cured
1/3~1/2.
Preferably, it is described make elastic coating be fully cured needed for ultraviolet energy be 800J~1200J.
Preferably, the second curing process unit is further used for performing following second curing process：To the elasticity
Coating carries out ultraviolet light irradiation, and the ultraviolet energy of second curing process is makes the elastic coating that required energy be fully cured
Amount.
Connection with production of structures method and apparatus on a kind of elastic coating provided in an embodiment of the present invention first apply coating elasticity
The workpiece of layer carries out the first curing process, its elastic coating is made to be in semi-molten state, then by film by way of vacuum transfer
The texture of upper pre-production is transferred on semi-vitreous elastic coating, elasticity will then be applied after film and elastic coating stripping
Layer carries out the second curing process, it is fully cured.In this way, realizing uniform grain effect on elastic coating, avoid
There is zigzag flash when making texture, so as to improve the exterior quality of product and product quality.
Description of the drawings
Fig. 1 is the schematic diagram for adding texture by the way of laser engraving on elastic coating in the prior art；
Fig. 2 is the enlarged drawing of region A in Fig. 1；
Fig. 3 is the connection with production of structures method flow diagram on the elastic coating of the embodiment of the present invention one；
Fig. 4 is the composition structure diagram of the connection with production of structures device on the elastic coating of the embodiment of the present invention two；
Fig. 5 a-5e are the connection with production of structures process schematic in an example of the invention.
Specific embodiment
To solve the prior art when by the way of laser engraving in making texture on elastic coating, in the place of laser carving very
The technical issues of being susceptible to zigzag flash, the embodiment of the present invention is by the way that raised grain pre-production on film, is passed through
Texture on film is transferred on semi-vitreous elastic coating by the mode of vacuum transfer, so as to fulfill uniform texture
Effect avoids zigzag flash occur when making texture.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Embodiment one
The embodiment of the present invention one provides a kind of connection with production of structures method on elastic coating, as shown in figure 3, this method is main
Include the following steps：
Step 301, after elastic coating is coated, the first curing process is carried out to the elastic coating, is made at the first curing
The elastic coating after reason is in semi-molten state.
First curing process includes：Ultraviolet light irradiation is carried out to the elastic coating, is made after ultraviolet light irradiates
Elastic coating be in semi-molten state, be not fully cured.
Wherein, for elastic coating is made to reach semi-molten state, the ultraviolet energy of the first curing process, which is less than, makes the bullet
Required energy is fully cured in property coating.
In one embodiment, the ultraviolet energy of the first curing process can make the elastic coating completely solid with selected as
1/3~1/2 of energy needed for change.Such as：The ultraviolet energy of the first curing process is selected to make elastic coating that institute be fully cured
Need 1/3,1/2,35%, 40%, 45%, 45%~50% etc. of energy.The ultraviolet light irradiation duration of first curing process regards
Depending on the specific curing degree requirement of the elastic coating, such as：It can be selected at the first curing in the range of 3m~10m (second)
The ultraviolet light irradiation duration, 3m, 3.3m, 3.5m, 4m, 5m etc. of reason.In principle, the ultraviolet energy of selected first curing process
It is bigger, then the ultraviolet light irradiation duration of the first curing process of selection is smaller.
And make elastic coating that required ultraviolet energy be fully cured between 800J~1200J (joule), such as：800J、
900J, 1000J, 1100J, 1200J etc..
As soon as it should be noted that the method for the embodiment of the present invention for complete elastic coating coating procedure workpiece,
It is to say, the mode of the embodiment of the present invention one is directed to the workpiece coated with elastic coating, is after elastic coating coating procedure
Process flow.Certainly, before elastic coating coating procedure, it is also possible to have other technological processes, the embodiment of the present invention is not
Technological process before elastic coating coating procedure is limited.Such as：Before elastic coating coating procedure, it will usually
In the presence of the technique to the workpiece surface spraying priming paint by pretreatment, the material of the priming paint can select to be bi-component or single group
Divide polyurethane coating, and the substrate material of workpiece can be metal or plastic material etc., metal material such as magnesium alloy, aluminium close
Gold, plastic material such as makrolon (PC, Polycarbonate), acrylonitrile-butadiene-styrene copolymer (ABS,
Acrylonitrile Butadiene Styrene), polyamide (PA, Polyamide), polyphenylene sulfide (PPS,
Phenylenesulfide) etc.；Baking drying process is carried out to the workpiece after spray-applied primer, baking temperature regards the spy of primer base
Property depending on, generally can be 50 DEG C -90 DEG C, baking time differs for 25-60 minute, by taking polyurethanes primer base as an example, baking
Roasting temperature can be chosen to be 65 DEG C, and baking time can be chosen to be 30 minutes.
Step 302, by way of vacuum transfer, the texture on the film with texture structure is transferred to the fritting
Melt on the elastic coating of state.
The embodiment of the present invention is according to the textured pattern to be made on elastic coating, line of the setting on the film of transfer
Pattern is managed, and by the textured pattern pre-production of film on film；By the way that raised grain pre-production on film, then is led to
Texture on film is transferred on semi-vitreous elastic coating by the mode for crossing vacuum transfer.It should be noted that by true
After idle running print, form textured elastic coating and be still within semi-molten state.
Wherein, the mode of vacuum transfer can be：Workpiece after first curing process is placed and secured in one
In hollow thermal transfer device, after vacuumizing, the film that making has raised grain is attached on the elastic coating of workpiece, simultaneously
Apply certain pressure, can be attached on workpiece completely so as to the textured film of surface imprint, and by the convex-concave of film surface
Texture correspondence is printed on elastic coating, and then obtains clear exquisite texture on elastic coating.
Step 303, after the completion of transfer, the film and the elastic coating are removed.
After the completion of transfer, workpiece is taken out from thermal transfer device, and the elastic coating of film and workpiece is removed.It realizes
There are many modes of stripping, and the embodiment of the present invention is not limited.
Step 304, the second curing process is carried out to completing the elastic coating after removing, made described after the second curing process
Elastic coating is fully cured.
Second curing process includes：Ultraviolet light irradiation is carried out to the elastic coating, makes the elasticity after completion stripping
Coating is fully cured.So, the ultraviolet energy of second curing process is needed to make the elastic coating that institute be fully cured
Energy is needed, between 800J~1200J, such as：800J, 900J, 1000J, 1100J, 1200J etc..The purple of second curing process
Outside line irradiates duration depending on the specific curing degree requirement of the elastic coating, such as：It can be in the range of 3m~30m (second)
The ultraviolet light irradiation duration, 3m, 5m, 8m etc. of selected first curing process.In principle, the ultraviolet light of selected second curing process
Energy is bigger, then the ultraviolet light irradiation duration of the second curing process of selection is smaller.
The embodiment of the present invention one carries out the first curing process to the workpiece for coating elastic coating first, applies its elasticity
The texture of pre-production on film is transferred to semi-vitreous elasticity by layer in semi-molten state, then by way of vacuum transfer
On coating, then the second curing process will be carried out to elastic coating after film and elastic coating stripping, it is fully cured.Such as
This, realizes uniform grain effect on elastic coating, avoids zigzag flash occur when making texture, so as to improve
The exterior quality and product quality of product.
Embodiment two
Connection with production of structures method on the elastic coating of the corresponding embodiment of the present invention one, the embodiment of the present invention two provide one kind
Connection with production of structures device on elastic coating, as shown in figure 4, the device includes：
First curing process unit 401 for carrying out the first curing process to the elastic coating of coating, makes at the first curing
The elastic coating after reason is in semi-molten state；
By way of being transferred vacuum, the texture on the film with texture structure is transferred to for transfer unit 402
On the semi-vitreous elastic coating；
Stripping unit 403, the film for that will complete transfer are removed with the elastic coating；
Second curing process unit 404 for carrying out the second curing process to completing the elastic coating after removing, makes second
The elastic coating after curing process is fully cured.
In one embodiment, the first curing process unit 401 is used to perform following first curing process：To the elasticity
Coating carries out ultraviolet light irradiation, and the elastic coating after ultraviolet light irradiates is made to be in semi-molten state, is not fully cured.
Wherein, for elastic coating is made to reach semi-molten state, the ultraviolet energy of the first curing process, which is less than, makes the bullet
Required energy is fully cured in property coating.
In one embodiment, the ultraviolet energy of the first curing process can make the elastic coating completely solid with selected as
1/3~1/2 of energy needed for change.Such as：The ultraviolet energy of the first curing process is selected to make elastic coating that institute be fully cured
Need 1/3,1/2,35%, 40%, 45%, 45%~50% etc. of energy.The ultraviolet light irradiation duration of first curing process regards
Depending on the specific curing degree requirement of the elastic coating.In principle, the ultraviolet energy of selected first curing process is bigger, that
The ultraviolet light irradiation duration for selecting the first curing process is smaller.
And make elastic coating that required ultraviolet energy be fully cured between 800J~1200J (joule), such as：800J、
900J, 1000J, 1100J, 1200J etc..
In one embodiment, transfer unit 402 is a hollow thermal transfer device, after first curing process
Workpiece is placed and secured in the hollow thermal transfer device, and after vacuumizing, the film that making has raised grain is attached to
On the elastic coating of workpiece, while apply certain pressure, so as to which the textured film of surface imprint can be attached to workpiece completely
On, and the raised grain correspondence of film surface is printed on elastic coating, and then obtain clear exquisite line on elastic coating
Reason.
In one embodiment, the second curing process unit 404 is used to perform following second curing process：To the elasticity
Coating carries out ultraviolet light irradiation, and the elastic coating after completion stripping is fully cured.So, second curing process is ultraviolet
Heat input is needed to make the elastic coating that required energy be fully cured, between 800J~1200J, such as：800J、900J、
1000J, 1100J, 1200J etc..The ultraviolet light irradiation duration of second curing process regards the specific solidification path of the elastic coating
Depending on degree requirement.In principle, the ultraviolet energy of selected second curing process is bigger, then selects the ultraviolet of the second curing process
Line irradiation duration is smaller.
It should be noted that above-mentioned first curing process unit 401 and the second curing process unit 404 can also be closed and be set as
Only in the first curing process and the second curing process, the ultraviolet energy of equipment and irradiation duration are set for same equipment
It is set to different values；Hollow thermal transfer device may be used to realize in transfer unit 402；Stripping unit 403 can be by only
Vertical peel-off device is realized.
The embodiment of the present invention two carries out first to the workpiece for coating elastic coating by the first curing process unit 401 and consolidates
Change is handled, its elastic coating is made to be in semi-molten state, then will be advance on film by way of vacuum transfer by transfer unit 402
The texture of making is transferred on semi-vitreous elastic coating, and subsequent stripping unit 403 removes film and elastic coating, and second
Curing process unit 404 carries out the second curing process to completing the elastic coating after removing, it is fully cured.In this way, it realizes
Uniform grain effect on elastic coating, avoids zigzag flash occur when making texture, so as to improve product
Exterior quality and product quality.
The connection with production of structures method and apparatus on above-mentioned elastic coating are described in further detail in conjunction with a specific example below.
Fig. 5 a-5b show the technical process in workpiece surface spraying priming paint, the substrate material of workpiece can be metal or
Plastic material etc., the material of priming paint can select to be bi-component or one-can urethane coating；Wherein, Fig. 5 a show spray
Workpiece 10 before priming, Figure 5b shows that the workpiece 10 after spray-applied primer 20；
Fig. 5 b-5c are shown on the workpiece 10 after spray-applied primer 20, and elastic coating 30 is coated on spray-applied primer 20
Technical process, Fig. 5 c show the workpiece 10 after coating elastic coating 30；
After elastic coating 30 is coated, the first curing process is carried out to the workpiece 10 for coating elastic coating 30, makes first to consolidate
Change that treated that elastic coating 30 is in semi-molten state；The ultraviolet energy of first curing process can make the elasticity with selected as
The 1/3~1/2 of required energy is fully cured in coating, and the ultraviolet light irradiation duration of the first curing process regards the tool of the elastic coating
Depending on the requirement of body curing degree；
Fig. 5 c-5d show the technical process that vacuum transfer is carried out to the workpiece after the first curing process, are turned by vacuum
Texture on film 50 with texture structure is transferred on semi-vitreous elastic coating 30 by the mode of print；
Fig. 5 d-5e show to the elastic coating after the completion of transfer and film stripping and to completing the elasticity after removing
Coating carries out the technical process of the second curing process；Ultraviolet light irradiation is carried out to the elastic coating after stripping, after removing completion
Elastic coating be fully cured, the ultraviolet energy of the second curing process is needed to make the elastic coating that required energy be fully cured
Amount, between 800J~1200J, the ultraviolet light irradiation duration of the second curing process regards the specific curing degree of the elastic coating
Depending on it is required that；Fig. 5 d show the workpiece after the second curing process, and uniform texture 40 is formed on elastic coating 30.
By this example, uniform grain effect on elastic coating is realized, avoids sawing when making texture
Dentation flash, so as to improve the exterior quality of product and product quality.
In several embodiments provided by the present invention, it should be understood that disclosed method and apparatus can pass through it
Its mode realizes that apparatus embodiments described above are only schematical.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of connection with production of structures method on elastic coating, which is characterized in that the method includes：
After coating elastic coating on the workpiece of spray-applied primer, the first curing process is carried out to the elastic coating, makes first to consolidate
Change that treated that the elastic coating is in semi-molten state；
The elastic coating after first curing process is vacuumized, and pass through apply pressure will be with the thin of texture structure
Texture on film is transferred on the semi-vitreous elastic coating；
After the completion of transfer, the film and the elastic coating are removed；
The second curing process is carried out to completing the elastic coating after removing, makes the elastic coating after the second curing process complete
Curing.
2. the connection with production of structures method on elastic coating according to claim 1, which is characterized in that described to be carried out to elastic coating
First curing process, including：
Ultraviolet light irradiation is carried out to the elastic coating, the ultraviolet energy of first curing process, which is less than, applies the elasticity
Required energy is fully cured in layer.
3. the connection with production of structures method on elastic coating according to claim 2, which is characterized in that first curing process
Ultraviolet energy is that the elastic coating is made to be fully cured the 1/3~1/2 of required energy.
4. the connection with production of structures method according to Claims 2 or 3 on elastic coating, which is characterized in that described to make elastic coating
Ultraviolet energy needed for being fully cured is 800J~1200J.
5. according to the connection with production of structures method on any one of claims 1 to 3 elastic coating, which is characterized in that described to complete
The second curing process is carried out into the elastic coating after stripping, including：
Ultraviolet light irradiation is carried out to the elastic coating, the ultraviolet energy of second curing process is makes the elastic coating
Required energy is fully cured.
6. the connection with production of structures device on a kind of elastic coating, which is characterized in that described device includes：
First curing process unit, for carrying out the first curing process to the elastic coating being coated on the workpiece of spray-applied primer,
The elastic coating after the first curing process is made to be in semi-molten state；
Transfer unit applies pressure by tool for vacuumizing, and passing through by the elastic coating after first curing process
Texture on the film of textured structure is transferred on the semi-vitreous elastic coating；
Stripping unit, the film for that will complete transfer are removed with the elastic coating；
Second curing process unit for carrying out the second curing process to completing the elastic coating after removing, makes at the second curing
The elastic coating after reason is fully cured.
7. the connection with production of structures device on elastic coating according to claim 6, which is characterized in that the first curing process list
Member is further used for performing following first curing process：Ultraviolet light irradiation is carried out to the elastic coating, at first curing
The ultraviolet energy of reason, which is less than, makes the elastic coating that required energy be fully cured.
8. the connection with production of structures device on elastic coating according to claim 7, which is characterized in that first curing process
Ultraviolet energy is that the elastic coating is made to be fully cured the 1/3~1/2 of required energy.
9. according to the connection with production of structures device on the elastic coating of claim 7 or 8, which is characterized in that described to make elastic coating
Ultraviolet energy needed for being fully cured is 800J~1200J.
10. according to the connection with production of structures device on any one of claim 6 to 8 elastic coating, which is characterized in that described second
Curing process unit is further used for performing following second curing process：Ultraviolet light irradiation is carried out to the elastic coating, it is described
The ultraviolet energy of second curing process is makes the elastic coating that required energy be fully cured.
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| CN110328979A (en) * | 2019-08-07 | 2019-10-15 | 武汉华工图像技术开发有限公司 | A kind of blocking film with deep texture structure, thermoprint structure and preparation method |
| CN114179536A (en) * | 2021-12-15 | 2022-03-15 | 上海豪承信息技术有限公司 | Pattern processing method |
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| CN101702891A (en) * | 2007-07-03 | 2010-05-05 | 日本曹达株式会社 | Molding sheet for forming hard coat layer |
| CN102947073A (en) * | 2010-06-23 | 2013-02-27 | 日本曹达株式会社 | Process for production of replica mold for imprinting use |
| CN103945641A (en) * | 2014-05-13 | 2014-07-23 | 张伯平 | High thermal conductive circuit board and production method thereof |
| CN104129189A (en) * | 2013-05-02 | 2014-11-05 | 荒川化学工业株式会社 | Decorative film for transfer printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101702891A (en) * | 2007-07-03 | 2010-05-05 | 日本曹达株式会社 | Molding sheet for forming hard coat layer |
| CN102947073A (en) * | 2010-06-23 | 2013-02-27 | 日本曹达株式会社 | Process for production of replica mold for imprinting use |
| CN104129189A (en) * | 2013-05-02 | 2014-11-05 | 荒川化学工业株式会社 | Decorative film for transfer printing |
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