CN102166909B - Method for transferring image-texts on workpiece - Google Patents
Method for transferring image-texts on workpiece Download PDFInfo
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- CN102166909B CN102166909B CN 201010115484 CN201010115484A CN102166909B CN 102166909 B CN102166909 B CN 102166909B CN 201010115484 CN201010115484 CN 201010115484 CN 201010115484 A CN201010115484 A CN 201010115484A CN 102166909 B CN102166909 B CN 102166909B
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Images
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- Decoration By Transfer Pictures (AREA)
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Abstract
The invention provides a method for transferring image-texts on a workpiece, which is characterized by comprising the steps of: spraying a first liquid material on the workpiece; converting the first liquid material into a second intermediate-state material under a first condition, wherein the intermediate state is a transition state between the liquid state and a solid state; impressing three-dimensional image-texts on the second material by using a transfer film with the three-dimensional image-texts; and curing the second material to obtain the workpiece with the three-dimensional image-texts. Compared with the prior art, the three-dimensional image-texts can be formed on the surface of the workpiece by using the transfer film with the three-dimensional image-texts, thus the technical problem of unavailable impressing of the three-dimensional image-texts by using the hot transferring method in the prior art is solved. Compared with an electroforming die, the method for transferring the image-texts can be used for preparing the fine and delicate three-dimensional image-texts with lower cost, and the three-dimensional image-texts can be made with various kinds of convex and concave effects according to the demands.
Description
Technical field
The present invention relates to the picture-text printing field, be specifically related to a kind of on workpiece the method for transfer printing image-text.
Background technology
Hot transfer printing claims again heat sublimation, refer to first pattern be sprayed on the transfer film, and then by corresponding hot transfer apparatus with the method for printing pattern of the pattern transfer on the transfer film to the surface of workpiece, hot transfer printing is particularly useful at irregular surface of the work impressing pattern.The pattern that forms by heat-transferring method has levels are rich, bright in luster, the advantage such as repeatability is good, and is fit to production in enormous quantities.At present, hot transfer technique has been widely used in the industries such as plastic cement, cosmetics, toy, electronic product, building materials, gift, packaging for foodstuff, stationery.For example, in electron trade, the pattern on computer monitor shell, keyboard, mouse and the phone housing etc. has all used hot transfer technique in a large number.
The universal method of hot transfer printing is in the prior art: primer spray → heat treatment → transfer printing → topcoating → heat treatment or UV radiation, be specially first at workpiece surface spraying one deck priming paint, the spraying priming paint purpose be for the better combination of ink lay, again priming paint heat treatment is made its curing, then will be transferred to surface of the work with the ink logo on the transfer film, spraying is used for improving the finish paint of appearance effect again, heat-treat at last or the UV radiation makes ink lay and priming paint, finish paint reaction bonded, finish hot transfer printing.
In the universal method of above-mentioned hot transfer printing, the ink lay on the transfer film all is plane pattern, therefore can only form plane pattern at workpiece, can not form the three-dimensional picture and text with concavo-convex texture at surface of the work.And when the transfer film of use plane pattern carried out transfer printing, the line thickness of surface of the work, sophistication and concavo-convex texture etc. be subject to larger limitation.
In the prior art, also the someone uses the electroforming Tool and Die Technology directly at the surface of the work printing figures, to produce fine and smooth lines effect, but this electroforming Tool and Die Technology only is suitable for the part of button class reduced size, and for workpiece such as large-size workpiece such as keyboard, computer casings, that is that all right is ripe for the electroforming Tool and Die Technology, and yield is low, cost is high, can't produce in enormous quantities, therefore is not suitable for printing the three-dimensional picture and text with fine and smooth lines effect at erose workpiece.
Therefore, need a kind of heat-transferring method that can produce at surface of the work three-dimensional picture and text.
Summary of the invention
In view of this, the technical problem to be solved in the present invention be to provide a kind of on workpiece the method for transfer printing image-text, form three-dimensional picture and text by the method at surface of the work.The present invention also provides the computer of a kind of surface of shell with three-dimensional picture and text.
In order to solve above technical problem, the invention provides a kind of method at the surface of the work transfer printing image-text, comprising: at the first liquid material of workpiece spraying;
Under first condition, the first material of described liquid state is converted to the second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Use the transfer film with the first three-dimensional picture and text to impress at described the second material, obtain the second three-dimensional picture and text at described the second material; Wherein, the texture of described the second three-dimensional picture and text is corresponding with the texture of described the first three-dimensional picture and text;
Under second condition, solidify described the second material and obtain the workpiece that surface band has described the second three-dimensional picture and text.
Preferably, use the transfer film with three-dimensional picture and text before printing stereo picture and text on the second material, also to comprise step described:
At the 3rd liquid material of transfer film spraying;
Form the first three-dimensional picture and text at described the 3rd material;
Solidify described the 3rd material.
Preferably, after solidifying described the 3rd material, also comprise step:
The 3rd material in described curing forms plane pattern.
Preferably, described using with the transfer film of the first three-dimensional picture and text is specially at the second material impression:
The workpiece of surface with the second material placed in the confined space;
Use the transfer film with the first three-dimensional picture and text to cover on the described workpiece;
The first three-dimensional picture and text on the described transfer film are impressed on the second material of described surface of the work, obtain the second three-dimensional picture and text at described the second material.
Preferably, be specially on described the second material that the first three-dimensional picture and text on the described transfer film is impressed into described surface of the work:
Isolate the first space between described transfer film and the workpiece and the second space between described transfer film and the described confined space;
In described the first space and second space, form negative pressure differential so that the described first three-dimensional picture and text are impressed on described the second material, obtain the second three-dimensional picture and text in described the second cubic materials.
Preferably, the described negative pressure differential that forms in described the first space and second space is specially so that the described first three-dimensional picture and text are impressed into described the second material:
Keep the pressure in the first space constant, in second space blanketing gas make pressure in the second space greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material, perhaps;
Keep the pressure in the second space constant, to the first space vacuumize process make second space pressure greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material, perhaps;
Simultaneously the first space is vacuumized and in second space during blanketing gas the pressure in the second space greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material.
Preferably, describedly form the first stereogram literary composition at described the 3rd material and be specially:
Use impresses described the 3rd material with the electroforming mould of the first three-dimensional picture and text or chemical etched dies and forms three-dimensional picture and text.
The present invention also provides a kind of computer, it is characterized in that, comprising:
Housing has dope layer at the outer surface of described housing, at described dope layer three-dimensional picture and text is arranged, and described three-dimensional picture and text are to be transferred on the outer surface of described housing according to each described method of technique scheme.
The invention provides a kind of on workpiece the method for transfer printing image-text.The present invention is converted to the first material of liquid state the second material of intermediate state first at the first liquid material of workpiece spraying under first condition, described intermediate state refer to liquid and solid-state between transition state; The second material of intermediate state is conducive to the printing stereo picture and text, then will form the second three-dimensional picture and text at the second material with the transfer printing of the first three-dimensional picture and text, and last second material that solidifies under second condition obtains the surface with the workpiece of the second three-dimensional picture and text.Compared with prior art, the present invention is by using the transfer film with three-dimensional picture and text to form three-dimensional picture and text at surface of the work, solved the technical problem that heat-transferring method of the prior art can not the printing stereo picture and text.Compare with the electroforming mould, the heat-transferring method of printing stereo picture and text provided by the invention just can be prepared fine and smooth exquisite three-dimensional picture and text with lower cost, and these solid picture and text can be made the concave-convex effect of various patterns as required.
The specific embodiment
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The embodiment of transfer printing image-text method on workpiece that the embodiment of the invention provides comprises:
At the first liquid material of workpiece spraying;
Under first condition, the first material of described liquid state is converted to the second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Use the transfer film with the first three-dimensional picture and text to impress at described the second material, obtain the second three-dimensional picture and text at described the second material; Wherein, the texture of described the second three-dimensional picture and text is corresponding with the texture of described the first three-dimensional picture and text
Under second condition, solidify described the second material and obtain the workpiece that surface band has described the second three-dimensional picture and text.
According to the present invention, the first material of described liquid state preferably uses cold coating well known to those skilled in the art, more preferably uses hot melt UV coating well known to those skilled in the art.Described hot melt UV coating refers to through obtaining the UV coating of semi-cured state after the heating.First condition of the present invention refers to that the first material converting with described liquid state is the condition of the second material of intermediate state, for hot melt UV coating, described intermediate state refers to be in the semi-cured state between liquid and solid-state, and this moment, resin did not have flowability, but can carry out moulding.For hot melt UV coating, described first condition refers to that with the UV paint heating to suitable temperature and carry out suitable insulation, the temperature and time of described heating is determined by hot melt UV coating nature, is technological parameter well known to those skilled in the art.
According to the present invention, be not particularly limited for transfer film, can refer to macromolecule membrane well known to those skilled in the art, object lesson can be Merlon, PETG, polymethyl methacrylate (acryl resin, polyacrylic resin), mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA, but be not limited to this.For the shape of workpiece, the present invention is not particularly limited, the various plastic products such as preferred computer monitor shell, keyboard, mouse.
Please be simultaneously referring to Fig. 1, for form the method schematic diagram of three-dimensional picture and text among the present invention on the three-dimensional workpiece surface, use the transfer film with the first three-dimensional picture and text to impress to form the method for the second three-dimensional picture and text at described the second material below in conjunction with Fig. 1 explanation at the second material of described workpiece.According to the present invention, after workpiece 11 surfaces form the second material 11a of intermediate state, described workpiece 11 is placed in the confined space 12, in the present embodiment, confined space is an airtight box body, then a transfer film 13 with the first three-dimensional picture and text is covered described surface of the work, the one side with the first three-dimensional picture and text is contacted with the second material of described surface of the work, transfer film can adapt to the shape of various workpiece.On the described transfer film with forming the first space 12a between a side of three-dimensional picture and text and the workpiece, the opposite side of described transfer film and confined space form second space 12b, the first space 12a and second space 12b isolation, partition method is specially and transfer film is covered surface of the work fully gets final product, and prevents that gas from connecting in two spaces.
The present invention utilizes the pressure reduction of the first space and second space that the first three-dimensional picture and text on the transfer film are stamped in and forms the second three-dimensional picture and text on the second material of described workpiece, be specially, can keep the first space 12a is atmospheric pressure state, the pressure in the second space in second space 12b, is filled with gas so that greater than the pressure in the first space, can be transferred to the first three-dimensional picture and text on the transfer film on described the second material under the effect of pressure like this.
Be not limited to above-mentioned a kind of method when utilizing the pressure differential of the first space and second space to be stamped in the first three-dimensional picture and text on the transfer film on the described workpiece, can also keep the pressure in the second space constant, and the first space is vacuumized processing, second material that also the first three-dimensional picture and text on the transfer film can be transferred to like this workpiece under the state of negative pressure forms the second three-dimensional picture and text, and the second stereogram stationery that obtains like this has the texture corresponding with the described first three-dimensional picture and text.With upper a kind of mode, keep second space pressure constant, the first space is vacuumized can prevent that transfer film from forming fold under the effect of pressure, to affect the transfer printing effect.
In addition, above-mentioned dual mode can also be combined, namely vacuumize in the first space, the filling gaseous state is exerted pressure in getting the people space, so also can reach the first three-dimensional picture and text are transferred to the purpose on the second material on the workpiece.
After utilizing transfer film changing of workpieces to be printed on the second material of the semi-solid preparation on the workpiece, workpiece is taken out in confined space, transfer film is peeled off from workpiece, under second condition, solidify the second material and just obtain workpiece with the second three-dimensional picture and text.Second condition of the present invention refers to described the second material is converted to solid-state condition.For hot melt UV coating, described second condition is specially and uses the described UV coating of UV-irradiation, so that it solidifies the parameter during for UV-irradiation, can select according to the model of UV coating such as power, frequency, belong to general knowledge well known to those skilled in the art.Described UV coating material is preferably acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate copolymer, but be not limited to this.The UV thickness of coating layer is preferably 3 microns～300 microns, more preferably 100 microns～200 microns.
According to the present invention, will walk around with the transfer film of three-dimensional picture and text print to workpiece before, preferably also comprise step:
The 3rd material at transfer film spraying liquid;
Form the first three-dimensional picture and text at described the 3rd material;
Solidify described the 3rd material.
According to the present invention, preferably use various resin well known to those skilled in the art for described the 3rd material, transparent UV resin more preferably, transparent UV printing ink well known to those skilled in the art more preferably, described transparent UV printing ink can use acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc., but be not limited to this.Ink film thickness is preferably 12～50 microns, more preferably 20～40 microns.
According to the present invention, after solidifying described the 3rd material, can also form plane pattern at the 3rd material of described curing, like this after transfer printing, the surface that the described plane pattern on the transfer film and three-dimensional picture and text can be transferred to workpiece forms plane pattern and three-dimensional picture and text.Forming described plane pattern can be according to method well known to those skilled in the art, and object lesson can be for forming plane pattern at described the 3rd material spraying UV printing ink.
According to the present invention, in order to form various colors at workpiece, can also be at the look China ink of described transparent ink lay spraying with versicolor those skilled in the art's resin, the object lesson of look China ink can be for acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc.For the look China ink is fixed on the UV coating, can at look China ink spraying one deck hot melt adhesive layer, be used for the look film is bonded in the UV dope layer.The thickness of ink and color layer is preferably the 3-15 micron, more preferably the 5-12 micron.Hot melt adhesive can use thermosol well known to those skilled in the art, the thermosol object lesson can be for acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc., the thermosol layer thickness is preferably 3～315 microns, more preferably 50～200 microns, more preferably 100 microns～180 microns.Like this, after on the UV coating that will be transferred to the three-dimensional picture and text on the transfer film of thermosol glue-line, ink and color layer, ink lay workpiece, on described UV coating, can form three-dimensional picture and text, and ink and color layer can stick on the UV dope layer by thermosol.
When described the 3rd material forms three-dimensional picture and text, can use etching the modes well known to those skilled in the art such as the electroforming mould of three-dimensional picture and text or chemical etched dies to be arranged at the three-dimensional picture and text of transfer film impression, described three-dimensional picture and text can be solid grain, also can be space pattern, there is no particular restriction to this present invention.After impressing three-dimensional picture and text, with the 3rd material cured.The curing of UV printing ink, there is no particular restriction in the present invention, can select uviol lamp to be cured according to the UV ink types, and this belongs to technology well known to those skilled in the art.
According to the present invention, can also be at the workpiece surface spraying finish paint with three-dimensional picture and text, there is no particular restriction to this present invention.
The present invention also provides a kind of computer, it is characterized in that, comprising: housing, at the outer surface of described housing dope layer is arranged, and at described dope layer three-dimensional picture and text are arranged, described three-dimensional picture and text are to be transferred on the outer surface of described housing according to technique scheme.
Compared with prior art, the present invention is by using the transfer film with three-dimensional picture and text to form three-dimensional picture and text at surface of the work, solved the technical problem that heat-transferring method of the prior art can not the printing stereo picture and text.Compare with the electroforming mould, the method for printing stereo picture and text provided by the invention just can be prepared fine and smooth exquisite three-dimensional picture and text with lower cost, and these solid picture and text can be made the concave-convex effect of various patterns as required.
In order further to understand the present invention, below in conjunction with embodiment the preparation of plates method with three-dimensional picture and text provided by the invention is described.
Embodiment 1
Please be simultaneously referring to Fig. 2 and Fig. 3, the transfer film structural representation that Fig. 2 provides for present embodiment, the schematic diagram at the three-dimensional picture and text of workpiece preparation that Fig. 3 provides for present embodiment.
Select polycarbonate film as hot transfer film, UV printing ink uses Zhejiang section to hope company's 835 serial transparent UV printing ink, UV coating uses Zhejiang section to hope company's 838 serial UV coating, the 3500LPG type look that ink and color layer uses Kunshan Fuji to grind and provides is black, and PUR uses Kunshan Fuji that the S-PAP solvent-based thermal colloidal sol that provides is provided.
As shown in Figure 2, at transfer film 13 spraying UV printing ink, ink lay 14 thickness are 20 microns, then use etching to have the die marks of three-dimensional concave convex texture to form concave convex texture at described UV ink lay, make its curing with ultra violet lamp UV ink lay first.
Be 10 microns ink and color layer 15 in ink lay spraying a layer thickness, then spraying a layer thickness at ink and color layer is 100 microns hot melt adhesive layer 16.
Continuation is referring to Fig. 3, and at workpiece 11 spraying UV coating, UV dope layer 11a thickness is 150 microns, then workpiece is heated to 70 ℃, is incubated 1 hour and makes UV dope layer 11a be in semi-cured state first.
Keep second space pressure constant, 12a vacuumizes processing in the first space between workpiece 11 and transfer film 13, concave convex texture on transfer film 13 ink laies is impressed on the UV coating on the workpiece forms concave convex texture.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the method for a transfer printing image-text on workpiece is characterized in that, comprising:
At the first liquid material of workpiece spraying;
Under first condition, the first material of described liquid state is converted to the second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Use the transfer film with the first three-dimensional picture and text to impress at described the second material, obtain the second three-dimensional picture and text at described the second material; Wherein, the texture of described the second three-dimensional picture and text is corresponding with the texture of described the first three-dimensional picture and text;
Described using with the transfer film of the first three-dimensional picture and text is specially at the second material impression:
The surface is placed confined space with the workpiece of the second material;
Use the transfer film with the first three-dimensional picture and text to cover on the described workpiece;
Isolate the first space between described transfer film and the workpiece and the second space between described transfer film and the described confined space;
In described the first space and second space, form negative pressure differential so that the described first three-dimensional picture and text are impressed on described the second material, obtain the second three-dimensional picture and text at described the second material;
Under second condition, solidify described the second material and obtain the workpiece that surface band has described the second three-dimensional picture and text.
2. method according to claim 1 is characterized in that, uses the transfer film with three-dimensional picture and text also to comprise step before printing stereo picture and text on the second material described:
At the 3rd liquid material of transfer film spraying;
Form the first three-dimensional picture and text at described the 3rd material;
Solidify described the 3rd material.
3. method according to claim 2 is characterized in that, also comprises step after solidifying described the 3rd material:
The 3rd material in described curing forms plane pattern.
4. method according to claim 1 is characterized in that, the described negative pressure differential that forms in described the first space and second space is specially so that the described first three-dimensional picture and text are impressed into described the second material:
Keep the pressure in the first space constant, in second space blanketing gas make pressure in the second space greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material, perhaps;
Keep the pressure in the second space constant, to the first space vacuumize process make second space pressure greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material, perhaps;
Simultaneously the first space is vacuumized and in second space blanketing gas make pressure in the second space greater than the pressure in the first space so that the described first three-dimensional picture and text are impressed on described the second material.
5. method according to claim 2 is characterized in that, describedly forms the first stereogram literary composition at described the 3rd material and is specially:
Use impresses described the 3rd material with the electroforming mould of the first three-dimensional picture and text or chemical etched dies and forms the first three-dimensional picture and text.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010115484 CN102166909B (en) | 2010-02-26 | 2010-02-26 | Method for transferring image-texts on workpiece |
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| CN 201010115484 CN102166909B (en) | 2010-02-26 | 2010-02-26 | Method for transferring image-texts on workpiece |
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| CN102166909B true CN102166909B (en) | 2013-02-13 |
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| CN105437805B (en) * | 2014-08-15 | 2020-02-21 | 联想(北京)有限公司 | Magnesium-aluminum alloy surface treatment method, magnesium-aluminum alloy, electronic device and shell of electronic device |
| CN105966098A (en) * | 2016-05-16 | 2016-09-28 | Tcl移动通信科技（宁波）有限公司 | Electronic product shell and processing method for forming colorful concave-convex patterns on electronic product shell |
| CN110193991B (en) * | 2019-05-15 | 2021-01-05 | 郑州工程技术学院 | Art three-dimensional transfer printing system and method thereof |
| CN114535031A (en) * | 2022-02-28 | 2022-05-27 | 深圳华美金属材料科技有限公司 | Textured color-coated sheet and preparation method thereof |
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| CN2902710Y (en) * | 2006-03-03 | 2007-05-23 | 王锦灿 | Disposable three-dimensional pattern transfer mold |
| TW200902333A (en) * | 2007-07-11 | 2009-01-16 | Daxon Technology Inc | Compact disc having relief pattern and transprint method |
| CN201208816Y (en) * | 2008-06-13 | 2009-03-18 | 政伸企业股份有限公司 | Stereoscopic grain-like thermal transfer printing label paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101109A (en) * | 1976-02-09 | 1977-08-24 | Akane Shiyouji Kk | Heat transfer printing method |
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|---|---|---|---|---|
| CN2902710Y (en) * | 2006-03-03 | 2007-05-23 | 王锦灿 | Disposable three-dimensional pattern transfer mold |
| TW200902333A (en) * | 2007-07-11 | 2009-01-16 | Daxon Technology Inc | Compact disc having relief pattern and transprint method |
| CN201208816Y (en) * | 2008-06-13 | 2009-03-18 | 政伸企业股份有限公司 | Stereoscopic grain-like thermal transfer printing label paper |
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| Title |
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| JP昭52-101109A 1977.08.24 |
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|---|---|
| CN102166909A (en) | 2011-08-31 |
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