CN102795037B - Method for transferring patterns on workpiece - Google Patents
Method for transferring patterns on workpiece Download PDFInfo
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- CN102795037B CN102795037B CN201110135749.3A CN201110135749A CN102795037B CN 102795037 B CN102795037 B CN 102795037B CN 201110135749 A CN201110135749 A CN 201110135749A CN 102795037 B CN102795037 B CN 102795037B
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Abstract
The invention provides a method for transferring patterns on a workpiece. The method comprises the steps that: the workpiece and a transfer film with a first printing pattern are arranged in a closed space; the transfer film separates the closed space into a first space and a second space; the workpiece and the first transfer pattern are arranged in the first space; the first printing pattern is made of first materials; the first space is vacuumized, so that the first printing pattern is attached to the surface of the workpiece; the first materials are cured to obtain second materials; and a second printing pattern is formed on the surface of the workpiece by the second materials. When the first space is vacuumized, the transfer film can wrap the surface of the workpiece, so that the first printing pattern is attached to the surface of the workpiece, the first materials for forming the first printing pattern on the workpiece are cured, and then the second printing pattern can be formed on the surface of the workpiece. Compared with the prior art, the method provided by the invention has the advantages that the patterns can be printed on the surface of the sharp angle part of the workpiece.
Description
Technical field
The present invention relates to materials processing technology field, be specifically related to a kind of method of pattern transferring on workpiece.
Background technology
Hot transfer printing, also known as heat sublimation, refers to and is first sprayed on transfer film by pattern, and then is transferred to the method for printing pattern on the surface of workpiece by the pattern on corresponding hot transfer apparatus, and hot transfer printing is particularly useful at irregular surface of the work impressing pattern.The pattern formed by heat-transferring method has the advantages such as levels are rich, bright in luster, repeatability is good, and is applicable to producing in enormous quantities.At present, Thermal-printing Technology has been widely used in the industries such as plastic cement, cosmetics, toy, electronic product, building materials, gift, food, stationery.Such as, in electron trade, the pattern etc. on computer monitor shell, keyboard, mouse and phone housing employs Thermal-printing Technology all in a large number.
The universal method of hot transfer printing in prior art is: primer spray → heat treatment → transfer printing → topcoating → heat treatment or UV radiation, be specially: first at workpiece surface spraying one deck priming paint, the object of spray-applied primer is to better be combined with ink layer, it is made to solidify priming paint annealer again, then surface of the work is transferred to the ink logo on transfer film by the mode of planographic, spray the finish paint for improving appearance again, finally to heat-treat or UV radiation makes ink layer and priming paint, finish paint reaction bonded, complete hot transfer printing.In the universal method of above-mentioned hot transfer printing, can only in the plane of workpiece printed patterns, for the position such as wedge angle of workpiece, the method for hot transfer printing cannot be used at the surface printing pattern of workpiece.
Summary of the invention
The problem to be solved in the present invention is a kind of method providing pattern transferring on workpiece, and compared with prior art, method provided by the invention can printed patterns on the surface comprising wedge angle position of workpiece easily.
In order to solve above technical problem, the invention provides a kind of method of pattern transferring on workpiece, comprising:
By workpiece be placed in confined space with the transfer film of the first printed patterns, described confined space is isolated into the first space and second space by described transfer film, described workpiece and described first printed patterns are in the first space, and described first printed patterns is formed by the first material;
Process is vacuumized to described first space, makes described first printed patterns fit to the surface of described workpiece;
Solidify described first material and obtain the second material, described second material forms the second printed patterns at surface of the work.
Preferably, described workpiece at least comprises the first surface of connection, second surface and the 3rd surface, and described first surface is connected with the junction of described second surface with described 3rd surface with the junction of second surface.
Preferably, also comprise the step making the position of described first printed patterns corresponding with the setting regions of surface of the work is positioned to described transfer film.
Preferably, the step of blanketing gas in described second space is also included in.
Preferably, described gas is argon gas or nitrogen.
Preferably, described workpiece comprises metal section and the plastic part with described metal section compound.
Preferably, described by workpiece with before being placed in confined space with the transfer film of the first printed patterns, also comprise:
In the step of the surperficial coated with adhesive layers of workpiece.
Preferably, the step described adhesive phase applying look rete is also included in.
Preferably, the thickness of the patterned layer of described second printed patterns is less than 0.15mm, is preferably less than 0.1mm.
The present invention also provides a kind of electronic equipment, comprising:
Housing, described housing at least comprises Part I, Part II and Part III, described Part I is connected with described Part II by the first connecting portion, described Part II is connected with described Part III by the second connecting portion, described first connecting portion and described second connecting portion are interconnected, and wherein said first connecting portion and described second connecting portion are for being connected curved surface or connecting line;
Second printed patterns, covers described Part I, described Part II, described Part III, described first connecting portion and described second connecting portion.
Preferably, described housing comprises metal section and the plastic part with described metal section compound, and described second printed patterns at least covers the part of described metal section and the part of described plastic part.
The invention provides a kind of method of pattern transferring on workpiece.The present invention is placed in confined space by workpiece with the transfer film of the first printed patterns, described confined space is isolated into the first space and second space by described transfer film, when process is vacuumized to the first space, transfer film can be coated to the surface of workpiece, thus make the first printed patterns fit on the surface of workpiece, then solidify after workpiece forms the first material of the first printed patterns and can form the second printed patterns at surface of the work.Compared with prior art, method provided by the invention can also print pattern on the surface at the wedge angle position of workpiece.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the step one of pattern transferring on workpiece in the embodiment of the present invention;
Fig. 2 is the schematic diagram of the step 2 of pattern transferring on workpiece in the embodiment of the present invention;
Fig. 3 is the schematic diagram of the step 3 of pattern transferring on workpiece in the embodiment of the present invention.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of pattern transferring method on workpiece that the embodiment of the present invention provides comprises:
By workpiece be placed in confined space with the transfer film of the first printed patterns, described confined space is isolated into the first space and second space by described transfer film, described workpiece and described first printed patterns are in the first space, and described first printed patterns is formed by the first material;
Process is vacuumized to described first space, makes described first printed patterns fit to the surface of described workpiece;
Solidify described first material and obtain the second material, described second material forms the second printed patterns at surface of the work.
According to the present invention, for the shape of workpiece, the present invention is not particularly limited, the various plastic products such as preferred computer monitor shell, keyboard, mouse, but is not limited thereto.The object lesson of described electronic equipment as notebook computer, panel computer, palm PC, mobile phone etc., but be not limited thereto.
According to the present invention, the material of described transfer film, macromolecule membrane well known to those skilled in the art can be referred to, object lesson can be Merlon, PETG, polymethyl methacrylate, mylar, poly-vinyl acetate resin, polyvinyl chloride and ethyl acetate EVA, but is not limited thereto.
According to the present invention, described first material can refer to the printing ink paint applied in hot transfer printing field, can be photocureable coating, and also can be heat curing coating, object lesson can be hot melt UV coating well known to those skilled in the art, but is not limited thereto.Described first material forms described first printed patterns.
According to the present invention, can also in described second space blanketing gas, like this owing to being vacuum state in the first space, can fit on surface that is the first material is better and workpiece, for the gas of filling, be preferably inert gas or nitrogen, described inert gas is preferably argon gas.
According to the present invention, described workpiece preferably at least comprises the first surface of connection, second surface and the 3rd surface, and described first surface is connected with the junction of described second surface with described 3rd surface with the junction of second surface.Because workpiece has not first surface at grade, second surface and the 3rd surface, confined space is first isolated into the first space and second space with transfer film by the present invention, and the first pattern setting on workpiece and transfer film is in the first space.Like this, after vacuumizing process to described first space, transfer film fits at least first surface of workpiece, second surface and the 3rd on the surface, thus the first printed patterns can fit at least three surfaces of workpiece.
Because first surface is connected with the junction of described second surface with described 3rd surface with the junction of second surface, method of the present invention can be convenient the first printed patterns is fitted at least three surfaces of workpiece, obviously, hot transfer printing can only be carried out to of a workpiece plane in prior art, and the method to comprising two or more face and carry out hot transfer printing can not be realized.In the present invention, under the effect of vacuum, workpiece can wrap up by soft transfer film, thus can realize graphics to be incorporated into workpiece not at least three surfaces of same plane, therefore finally can realize the hot transfer printing to workpiece.
Further described first surface is connected with described 3rd surface, and the junction of first surface and second surface, described second surface and the junction on described 3rd surface, described first surface and described 3rd surperficial junction link together.
The second printed patterns is had in the surface attachment of described workpiece through above-mentioned technological process.This second printed patterns covers described first surface, described second surface, described 3rd surface, first surface and the junction of second surface, described second surface are connected with the junction on described 3rd surface and described first surface and described 3rd surperficial junction.Wherein, any two surperficial junctions can be that to connect curved surface also can be connecting line.Meanwhile, any one surface on described first surface, second surface and the 3rd surface also can be able to be other irregular surfaces for curved surface.
According to the present invention, workpiece and the transfer film with the first printed patterns are placed in confined space also to comprise the step making the described position of the first printed patterns corresponding with the setting regions on the surface of workpiece is positioned to described transfer film.After making the position of the first printed patterns corresponding with the setting regions of surface of the work after positioning described transfer film, process is vacuumized to the first space, the first pattern on transfer film can fit in setting regions, finally can at the region printed patterns of setting.
According to the present invention, described workpiece preferably includes metal section and the plastic part with described metal section compound, for the material of metal section, be preferably magnadure, magnadure density is low, and intensity is high, when using on notebook computer, ensure notebook realize lightening while, ensure that it has good intensity.The material object lesson of plastic part can be the plastic cement well known to those skilled in the art such as PPS, LCP or PPA, but is not limited thereto.
For the metal/plastic cement composite members comprising metal section and plastic part, preparation method preferably includes: machining metal fabrication; Then metal fabrication is placed in composite members mould, after injecting plastic cement composition solidification, obtains composite members, preferably use the mode imbedding ejection formation that plastic parts and metalwork compound are obtained composite members.For the machine-tooled method of described metal fabrication, can conventionally disclosed in method, as one-step die casting technique, this present invention is not particularly limited.
According to the present invention, described by workpiece with before being placed in confined space with the transfer film of the first printed patterns, also comprise:
In the step of the surperficial coated with adhesive layers of workpiece, the adhesive for hot transfer printing field that described adhesive can use public offering on market to obtain, object lesson is as acryl resin, mylar, according to vinyl acetate resin, polyvinyl chloride and ethyl acetate EVA etc., but to be not limited thereto.According to the present invention, ink and color layer can also be applied on described adhesive phase, thus make the surface of workpiece catch shades of colour as required.
According to the present invention, the thickness of the patterned layer of described first printed patterns is preferably less than 0.15mm, is more preferably less than 0.1mm, is more preferably 20 μm ~ 50 μm; The thickness of described adhesive phase is preferably less than 0.15mm, is more preferably less than 0.1mm, is more preferably 20 μm ~ 50 μm.The thickness of the patterned layer of the second printed layers that workpiece is formed preferably is less than 0.15mm, is more preferably less than 0.1mm.
The present invention is placed in confined space by workpiece with the transfer film of the first printed patterns, described confined space is isolated into the first space and second space by described transfer film, when process is vacuumized to the first space, transfer film can be coated to the surface of workpiece, thus make the first printed patterns fit on the surface of workpiece, then solidify after workpiece forms the first material of the first printed patterns and can form the second printed patterns at surface of the work.Compared with prior art, method provided by the invention can also print pattern on the surface at the wedge angle position of workpiece.
Present invention also offers a kind of electronic equipment, comprise: housing, described housing at least comprises Part I, Part II and Part III, described Part I is connected with described Part II by the first connecting portion, described Part II is connected with described Part III by the second connecting portion, described first connecting portion and described second connecting portion are interconnected, and wherein said first connecting portion and described second connecting portion are for being connected curved surface or connecting line; Second printed patterns, covers described Part I, described Part II, described Part III, described first connecting portion and described second connecting portion.
Further described Part I is connected with described Part III by the 3rd connecting portion, described 3rd coupling part, described second coupling part and described the first pontes is interconnected,
The surface attachment of housing has the second printed patterns.This second printed patterns covers described Part I, described Part II, described Part III, described first connecting portion, described second connecting portion and the 3rd coupling part.Wherein, the connecting portion of any two parts can be connection curved surface also can be connecting line.Meanwhile, any one surface of described Part I, Part II and Part III also can be able to be other irregular surfaces for curved surface.
According to the present invention, described housing preferably includes metal section and the plastic part with described metal section compound, and described second printed patterns at least covers the part of described metal section and the part of described plastic part.
Pass through embodiments of the invention, this second printed patterns just can be complete and be fully coated on housing through one-time process process, namely complete and be coated on completely on the housing that is made up of at least described Part I, described Part II, described Part III, described first connecting portion, described second connecting portion.Need relative to prior art the part printing a complete pattern for parts different on housing, finally form a secondary complete pattern by the partial pattern of part different on housing and compare.Embodiments of the invention, only need through once above-mentioned PROCESS FOR TREATMENT just can by graphic-print complete for a pair on the housing be made up of different piece.Technique is simple, operates not loaded down with trivial details! Simultaneously because disposable completing is covered on the housing that is made up of different piece by complete and complete for pattern, attractive in appearance, complete (in prior art due to pattern splicing in appearance, and due to the structure of the different parts of housing different, cause pattern cannot complete seamless splicing, appearance is poor).
With specific embodiment, effect of the present invention is described below, but protection scope of the present invention is not limited by the following examples.
Embodiment 1
Raw material: ink is common ink
Adhesive is: universal tree lipid bonding agent.
Refer to Fig. 1-Fig. 3, for provided by the invention at the flow chart of surface of the work pattern transferring;
Sprayed on adhesive on workpiece 11 in advance, in advance coating oil layer of ink on transfer film 12;
As shown in Figure 1, schematic diagram for step 1: workpiece 11 is fixed on the tool 12 in baking oven 1, then the transfer film 13 with the first printed patterns is also placed in described baking oven, the space of baking oven is divided in the first space 101 and second space 102 by transfer film, and described workpiece and the first printed patterns are in the first space 101.
As shown in Figure 2, the schematic diagram for step 2: vacuumize the first space, fills nitrogen simultaneously, transfer film 13 can be made like this to envelope workpiece and part tool in second space.
The coated infrared heating system being placed in baking oven top that simultaneously uses carries out homogeneous heating to film, sticking agent with this understanding by ink adhesion at surface of the work.
Complete and be knotted rear evacuate air, take out workpiece, remove film, ink layer is then retained in surface of the work, as shown in Figure 3.
Above the method for pattern transferring on workpiece provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (11)
1. the method for pattern transferring on workpiece, is characterized in that, comprising:
By workpiece be placed in confined space with the transfer film of the first printed patterns, described confined space is isolated into the first space and second space by described transfer film, described workpiece and described first printed patterns are in the first space, and described first printed patterns is formed by the first material;
Process is vacuumized to described first space, makes described first printed patterns fit to the surface of described workpiece;
Solidify described first material and obtain the second material, described second material forms the second printed patterns at surface of the work.
2. method according to claim 1, it is characterized in that, described workpiece at least comprises the first surface of connection, second surface and the 3rd surface, and described first surface is connected with the junction of described second surface with described 3rd surface with the junction of second surface.
3. method according to claim 2, is characterized in that, also comprises and positions to described transfer film the step making the position of described first printed patterns corresponding with the setting regions of surface of the work.
4. method according to claim 1, is characterized in that, is also included in the step of blanketing gas in described second space.
5. method according to claim 1, is characterized in that, described workpiece comprises metal section and the plastic part with described metal section compound.
6. the method according to any one of claim 1 to 5, is characterized in that, described by workpiece with before being placed in confined space with the transfer film of the first printed patterns, also comprises:
In the step of the surperficial coated with adhesive layers of workpiece.
7. method according to claim 6, is characterized in that, is also included in the step described adhesive phase applying look rete.
8. method according to claim 7, is characterized in that, the thickness of the patterned layer of described second printed patterns is less than 0.15mm.
9. method according to claim 8, is characterized in that, the thickness of the patterned layer of described second printed patterns is less than 0.1mm.
10. an electronic equipment, is characterized in that, comprising:
Housing, described housing at least comprises Part I, Part II and Part III, described Part I is connected with described Part II by the first connecting portion, described Part II is connected with described Part III by the second connecting portion, described first connecting portion and described second connecting portion are interconnected, and wherein said first connecting portion and described second connecting portion are for being connected curved surface or connecting line;
Second printed patterns, covers described Part I, described Part II, described Part III, described first connecting portion and described second connecting portion.
11. electronic equipments according to claim 10, is characterized in that, described housing comprises metal section and the plastic part with described metal section compound, and described second printed patterns at least covers the part of described metal section and the part of described plastic part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110135749.3A CN102795037B (en) | 2011-05-24 | 2011-05-24 | Method for transferring patterns on workpiece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110135749.3A CN102795037B (en) | 2011-05-24 | 2011-05-24 | Method for transferring patterns on workpiece |
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| CN102795037A CN102795037A (en) | 2012-11-28 |
| CN102795037B true CN102795037B (en) | 2015-06-03 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130255877A1 (en) * | 2012-03-20 | 2013-10-03 | Flextronics Ap, Llc | Multifunctional thermo-vacuum-air pressurized forming machine |
| CN103358649A (en) * | 2013-06-14 | 2013-10-23 | 3M材料技术（广州）有限公司 | Vacuum laminating device and method |
| CN103507307A (en) * | 2013-09-09 | 2014-01-15 | 苏州达方电子有限公司 | Decorative film, composite material object decorated by using decorative film, and manufacturing method of composite material object |
| CN104708886A (en) * | 2013-12-12 | 2015-06-17 | 联想(北京)有限公司 | Fiber sheet treatment method, fiber work-piece and electronic equipment |
| 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 |
| CN105984070A (en) * | 2015-02-03 | 2016-10-05 | 鸿富锦精密工业（深圳）有限公司 | Shell and preparation method thereof, electronic device and vehicle interior |
| CN108248238A (en) * | 2016-12-28 | 2018-07-06 | 鸿富锦精密工业（深圳）有限公司 | Transfer film layer, its production method and appearance member |
| CN107031264A (en) * | 2017-04-28 | 2017-08-11 | 合肥联宝信息技术有限公司 | Method for making pattern |
| CN110270935B (en) * | 2019-07-22 | 2021-04-13 | 金雅豪精密金属科技（深圳）股份有限公司 | Surface treatment process for aluminum magnesium alloy die casting |
| CN113334922A (en) * | 2021-05-27 | 2021-09-03 | 李灵灵 | Forming device and forming method of gold wire color painting artware |
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| CN2567627Y (en) * | 2002-07-26 | 2003-08-20 | 刘有衡 | Mainframe evelope with drawing decoration pattern |
| CN1511647A (en) * | 2002-12-27 | 2004-07-14 | 鸿富锦精密工业（深圳）有限公司 | Liquid crystal display surface treating method |
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