CN104708886A - Fiber sheet treatment method, fiber work-piece and electronic equipment - Google Patents
Fiber sheet treatment method, fiber work-piece and electronic equipment Download PDFInfo
- Publication number
- CN104708886A CN104708886A CN201310683047.8A CN201310683047A CN104708886A CN 104708886 A CN104708886 A CN 104708886A CN 201310683047 A CN201310683047 A CN 201310683047A CN 104708886 A CN104708886 A CN 104708886A
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- workpiece
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- transfer film
- sheet material
- adhesive
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
Abstract
The present invention discloses a fiber sheet treatment method, which comprises that: fiber sheets with different orientations are subjected to hot pressing forming to obtain a first work-piece; the first work-piece and a transfer printing film are placed in a closed space; the transfer printing film is heated so as to make the adhesive on the transfer printing film be softened due to being heated; vacuumizing is performed on a space at least comprising a first space; and pressurization is performed on a second space, such that the softened transfer printing film is adhered on the surface of the first work-piece under the effect of the adhesive so as to obtain the first work-piece with the transfer printing pattern. The present invention further discloses a fiber work-piece and electronic equipment. With the technical scheme of the present invention, the rich appearance effect can be provided for the work-piece surface, and the first pass yield of the product can be improved so as to reduce the production cost.
Description
Technical field
The present invention relates to material processed technology, particularly relate to a kind of processing method of fibre sheet material, textile workpieces and electronic equipment.
Background technology
People are more and more higher to electronic equipment demand as light-weighted in panel computer, mobile phone etc., and fibrous material such as carbon fibre material possesses high strength and low-density feature, is also more and more applied on electronic equipment.
At present the processing technology of fibrous material is mainly contained and imbed jetting formation process and fiber one heat pressing process, wherein imbed jetting formation process compared with fiber one heat pressing process, more complicated in the flow process for the treatment of process, and the joint line of a plastic cement, fibrous material can be left at finished surface, except polishing by hand, be difficult to joint line to remove.Fiber one heat pressing process has the low advantage of cost, however due to the natural appearance of different fiber different, it is completely the same that work in-process is difficult to guarantee two kinds of fiber appearance, remedies being difficult to once produce aberration.
Fibrous material, after above-mentioned processing technology process completes, also needs the technique of carrying out external coating.Requirement more common is at present that fiber exposes, and namely allows consumer see the minutia of surface carbon fibrage decorative pattern truly.For realizing this requirement, the process of effects on surface fiber must SC, slightly bad, can reduce straight-through yield, thus cause the cost of product to improve.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of processing method of fibre sheet material, textile workpieces and electronic equipment in order to solve prior art Problems existing, surface of the work can be made both to have had abundanter appearance, the straight-through yield of product can also be improved, thus reduce production cost.
While raising yields, reduction production cost, also there is good outward appearance and product texture.
The technical scheme of the embodiment of the present invention is achieved in that
Embodiments provide a kind of processing method of fibre sheet material, described method comprises:
The fibre sheet material of different orientation is obtained the first workpiece by thermoforming way;
Described first workpiece and transfer film are placed in enclosure space; Wherein, described transfer film at least has pattern transferring and adhesive phase; Described enclosure space is isolated into the first space and second space by described transfer film, and described first workpiece is positioned at described first space;
Described transfer film is heated, is subject to thermal softening to make the adhesive on described transfer film;
The space at least comprising described first space is vacuumized;
Described second space is pressurizeed, makes the transfer film by thermal softening under described adhesive effect, be fitted in the surface of described first workpiece, obtain first workpiece with pattern transferring.
Preferably, described the fibre sheet material of different orientation is obtained the first workpiece by thermoforming way, comprising:
The fibre sheet material of different orientation is soaked in thermosetting resin, obtains corresponding prepreg members;
Each described prepreg members is carried out laying superposition according to predetermined scheme, and the prepreg members after laying being superposed is carried out hot-forming, obtains the first workpiece.
Preferably, before being placed in enclosure space by described first workpiece and transfer film, described method also comprises: described first workpiece is carried out polishing.
Preferably, be also included on described adhesive phase and apply ink and color layer.
Preferably, described described second space to be pressurizeed, comprising: to described second space blanketing gas.
Preferably, described fibre sheet material is the sheet material adopting the composite of carbon fibre material or carbon fiber-glass fiber or carbon fiber-Kev to draw composite braided material to make.
Preferably, described adhesive is thermosensitive type adhesive.
Preferably, described transfer film is bidirectional stretching polypropylene film.
Preferably, between the described heating-up temperature heated described transfer film is 80 to 150 degrees Celsius.
The embodiment of the present invention additionally provides a kind of textile workpieces, and described textile workpieces is first workpiece with pattern transferring adopting the processing method of any one fibre sheet material above-mentioned to make.
The embodiment of the present invention further provides a kind of electronic equipment, and described electronic equipment comprises first workpiece with pattern transferring adopting the processing method of any one fibre sheet material above-mentioned to make.
The processing method of the fibre sheet material that the embodiment of the present invention provides, textile workpieces and electronic equipment, first obtain the first workpiece by the fibre sheet material of different orientation by thermoforming way; Described first workpiece and transfer film are placed in enclosure space; Described transfer film is heated, is subject to thermal softening to make the adhesive on described transfer film; The space at least comprising described first space is vacuumized; Described second space is pressurizeed, make the transfer film by thermal softening under described adhesive effect, be fitted in the surface of described first workpiece, obtain first workpiece with pattern transferring, so, surface of the work can be made both to have had abundanter appearance, the straight-through yield of product can also be improved, thus reduce production cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of embodiment of the present invention workpiece processing recipe;
Fig. 2-1 to 2-3 be the embodiment of the present invention on the first workpiece, carry out pattern transferring realize schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
The processing method of the fibre sheet material that the embodiment of the present invention provides, adopt traditional fiber one heat pressing process and film external decoration (OMD, Out-side Mold Decoration) technique combines to process fibre sheet material, wherein OMD technique is used for alternative traditional coating process processed fiber after imbedding jetting formation process or fiber one heat pressing process, surface of the work can be made both to have had abundanter appearance, the straight-through yield of product can also be improved, thus reduce production cost.
First introduce OMD technique below, in general OMD technique is the combination of film printing technique and high pressure transfer printing process, also known as hot transfer printing or heat sublimation; The basic flow process of OMD technique is: first sprayed on transfer film by pattern, and then be transferred to the method for printing pattern on the surface of workpiece by the pattern on corresponding hot transfer apparatus, 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.
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.
The processing method of a kind of fibre sheet material that the embodiment of the present invention provides, is applied to electronic equipment, and Fig. 1 is the schematic flow sheet of the processing method of embodiment of the present invention fibre sheet material, and as shown in Figure 1, described method comprises:
Step S101, obtains the first workpiece by the fibre sheet material of different orientation by thermoforming way;
Here, described step S101 can comprise step Q1 and step Q2:
Step Q1, soaks the fibre sheet material of different orientation in thermosetting resin, obtains corresponding prepreg members;
Step Q2, carries out laying superposition by each described prepreg members according to predetermined scheme, and the prepreg members after laying being superposed is carried out hot-forming, obtains the first workpiece;
Here, described electronic equipment includes but not limited to: portable notebook, panel computer, mobile phone, electronic reader, digital camera, video camera etc.Described first workpiece can be the textile workpieces such as shell, keyboard, button on above-mentioned electronic equipment; This textile workpieces can be the workpiece adopting the composite of carbon fibre material or carbon fiber-glass fiber or carbon fiber-Kev to draw composite braided material to make, it is low that preferred carbon fibre material has density, the feature that intensity is high, when using on electronic equipment, ensure notebook realize lightening while, ensure that it has good intensity; For the shape of the first workpiece, the embodiment of the present invention is not particularly limited.
Here, described thermosetting resin, except the most basic cementation, also has the effect of location sizing; Each described prepreg members can be carried out laying superposition according to predetermined scheme according to various prior art by those skilled in the art, repeats no more here.By the three-dimensional structure of hot-forming rear formation fibre sheet material.
Here, described hot-press equipment preferably uses vacuum hotpressing machine.The difference that during hot pressing, temperature uses due to curing agent in epoxide-resin glue, its solidification temperature is also different.Temperature in the present embodiment during hot pressing is preferably 20 ~ 150 degrees Celsius, and be more preferably 80 ~ 150 degrees Celsius, vacuum is preferably 1 ~ 10KPa, is more preferably 3 ~ 5KPa.In the present embodiment, carry out hot-forming before, the lower pressed film that the prepreg members after laying can also being superposed be placed in described vacuum hotpressing machine carries out warm-up operation.
Step S102, is placed in enclosure space by described first workpiece and transfer film;
Wherein, described transfer film at least has pattern transferring and adhesive, described adhesive forms adhesive phase on described transfer film, and described enclosure space is isolated into the first space and second space by described transfer film, and described first workpiece is positioned at described first space;
Here, the material of described transfer film, macromolecule membrane well known to those skilled in the art can be referred to, object lesson can for adopt Merlon, PETG, polymethyl methacrylate, mylar, poly-vinyl acetate resin, polyvinyl chloride and ethyl acetate EVA etc. make film, also can be bidirectional stretching polypropylene film, but to be not limited thereto.
Here, described pattern transferring can be transfer pattern, and described pattern transferring is formed by the first material; Here, 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.
Here, the adhesive that described adhesive preferred flow is good, concrete example can be thermosensitive type adhesive.Described adhesive can as acryl resin, mylar, according to vinyl acetate resin, polyvinyl chloride and ethyl acetate EVA etc., but to be not limited thereto.
Step S103, heats described transfer film, is subject to thermal softening to make the adhesive on described transfer film;
Here, describedly to heat described transfer film, can be to preach heating by gas, also can adopt infrared heating, those skilled in the art can also adopt other mode of heating, repeats no more here.
Here, the described heating-up temperature heated described transfer film is preferably between 100 to 120 degrees Celsius between being 80 to 150 degrees Celsius.
Step S104, vacuumizes the space at least comprising described first space;
Here, to described first evacuate space, also can vacuumize described first space and described second space.
Step S105, pressurizes to described second space, makes the transfer film by thermal softening under described adhesive effect, be fitted in the surface of described first workpiece, obtains first workpiece with pattern transferring.
Here, described carry out pressurizeing to described second space can adopt the mode of blanketing gas in described second space, like this owing to being vacuum state in the first space, transfer film can be fitted with the surface of described first workpiece better under described adhesive effect; For the gas of filling, be preferably inert gas or nitrogen, described inert gas is preferably argon gas.
In embodiments of the present invention, alternatively, before described step S102, described workpiece processing recipe can also comprise steps A: position described transfer film, makes the step that the position of described pattern transferring is corresponding with the setting regions on the surface of workpiece.After positioning described transfer film, after making the position of pattern transferring corresponding with the setting regions of the first surface of the work, the pattern transferring on transfer film can be made can to fit in setting regions through follow-up step S102, S103.
In embodiments of the present invention, alternatively, before described steps A or step S102, described workpiece processing recipe can also comprise step B: on described adhesive phase, apply ink and color layer, thus makes the surface of workpiece catch shades of colour as required.
In embodiments of the present invention, alternatively, before step S102, described workpiece processing recipe can also comprise step B: the step of described first workpiece being carried out polishing.
In embodiments of the present invention, alternatively, after described step S103, described workpiece processing recipe can also comprise step C: described first workpiece is carried out jack-up, makes described first workpiece attach upper described transfer film.
In embodiments of the present invention, above-mentioned steps S102 to S105 can complete in hot transfer apparatus, the tool that described hot transfer apparatus comprises housing, heater, travelling carriage and is positioned on described travelling carriage.Described heater is used for heating transfer film, and described tool is for placing described first workpiece.
Based on above-mentioned workpiece processing recipe, the embodiment of the present invention also provides a kind of textile workpieces, and described workpiece is first workpiece with pattern transferring made according to above-mentioned workpiece processing recipe.
Based on aforesaid workpiece, the embodiment of the present invention also provides a kind of electronic equipment, and described electronic equipment comprises first workpiece with pattern transferring made according to above-mentioned workpiece processing recipe.
Below in conjunction with the drawings and specific embodiments, the technical solution of the present invention is further elaborated.It should be noted that, in figure, the shape, size etc. of each structure all just signal explanation embodiments of the invention, are not the restriction to structure.
The processing method of the fibre sheet material that the embodiment of the present invention provides, comprise heat pressing process and OMD technique, wherein heat pressing process completes in vacuum hotpressing machine, and OMD technique completes in hot transfer apparatus; The processing method of the fibre sheet material that the embodiment of the present invention provides, comprises the following steps:
Step one, is printed in pattern transferring on transfer film in advance, and applies spraying binder on transfer film, and described adhesive forms adhesive phase on described transfer film; Wherein, described adhesive is general thermosensitive type bonding agent.
Step 2, soaks the fibre sheet material of different orientation in thermosetting resin, obtains corresponding prepreg members; Each described prepreg members is carried out laying superposition according to predetermined scheme, and the prepreg members after laying being superposed is carried out hot-forming, obtains the first workpiece;
Here, described step one and step 2 there is no sequencing;
Fig. 2-1 to 2-3 be the embodiment of the present invention on the first workpiece pattern transferring realize schematic diagram, as shown in Fig. 2-1, step 3, is placed on the tool 12 in hot transfer apparatus by described first workpiece 11; Then transfer film 13 is placed in the top of tool, and described transfer film 13 is positioned, make the position of described pattern transferring corresponding with the setting regions on the surface of the first workpiece 11.The space of hot transfer apparatus is divided into the first space 101 and second space 102 by transfer film 13, and the pattern transferring on described first workpiece and described transfer film is positioned at the first space 101.
Step 4, is heated to 85 degrees Celsius by infrared heating mode to transfer film 13, is subject to thermal softening to make the adhesive on described transfer film;
Step 5, vacuumizes the first space 101;
Step 6, as shown in Fig. 2-2, fills nitrogen to pressurize to transfer film 13, makes the transfer film 13 by thermal softening under described adhesive effect, be fitted in the upper surface of the first workpiece 11 in described second space 102; Transfer film 13 can be made like this to envelope the first workpiece 11.
Step 7, as Figure 2-3, completes and is knotted rear evacuate air, takes out the first workpiece 11, removes unnecessary transfer film.
Above the workpiece processing recipe that the embodiment of the present invention provides 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. a processing method for fibre sheet material, is characterized in that, described method comprises:
The fibre sheet material of different orientation is obtained the first workpiece by thermoforming way;
Described first workpiece and transfer film are placed in enclosure space; Wherein, described transfer film at least has pattern transferring and adhesive phase; Described enclosure space is isolated into the first space and second space by described transfer film, and described first workpiece is positioned at described first space;
Described transfer film is heated, is subject to thermal softening to make the adhesive on described transfer film;
The space at least comprising described first space is vacuumized;
Described second space is pressurizeed, makes the transfer film by thermal softening under described adhesive effect, be fitted in the surface of described first workpiece, obtain first workpiece with pattern transferring.
2. method according to claim 1, is characterized in that, described the fibre sheet material of different orientation is obtained the first workpiece by thermoforming way, comprising:
The fibre sheet material of different orientation is soaked in thermosetting resin, obtains corresponding prepreg members;
Each described prepreg members is carried out laying superposition according to predetermined scheme, and the prepreg members after laying being superposed is carried out hot-forming, obtains the first workpiece.
3. method according to claim 1, is characterized in that, before being placed in enclosure space by described first workpiece and transfer film, described method also comprises:
Described first workpiece is carried out polishing.
4. method according to claim 1, is characterized in that, described method is also included on described adhesive phase and applies ink and color layer.
5. method according to claim 1, is characterized in that, describedly pressurizes to described second space, comprising: to described second space blanketing gas.
6. the method according to any one of claim 1 to 5, is characterized in that, described fibre sheet material is the sheet material adopting the composite of carbon fibre material or carbon fiber-glass fiber or carbon fiber-Kev to draw composite braided material to make.
7. method according to claim 6, is characterized in that, described adhesive is thermosensitive type adhesive.
8. the method according to claim 1 or 2 or 3 or 4 or 5 or 7, it is characterized in that, described transfer film is bidirectional stretching polypropylene film.
9. method according to claim 8, is characterized in that, between the described heating-up temperature heated described transfer film is 80 to 150 degrees Celsius.
10. a textile workpieces, is characterized in that, described textile workpieces is make first workpiece with pattern transferring by such as any one of claim 1 to 8 method.
11. 1 kinds of electronic equipments, is characterized in that, described electronic equipment comprises first workpiece with pattern transferring made by such as any one of claim 1 to 8 method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683047.8A CN104708886A (en) | 2013-12-12 | 2013-12-12 | Fiber sheet treatment method, fiber work-piece and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310683047.8A CN104708886A (en) | 2013-12-12 | 2013-12-12 | Fiber sheet treatment method, fiber work-piece and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104708886A true CN104708886A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310683047.8A Pending CN104708886A (en) | 2013-12-12 | 2013-12-12 | Fiber sheet treatment method, fiber work-piece and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019310A (en) * | 2019-12-30 | 2020-04-17 | 无锡市科虹标牌有限公司 | High-stability film wrapping process for mold |
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| TWM353104U (en) * | 2008-05-14 | 2009-03-21 | Cheng-Chien Hsu | Surface coating structure for electronic device housing |
| CN101684622A (en) * | 2008-09-25 | 2010-03-31 | 康准电子科技（昆山）有限公司 | Forming method of fiber products |
| CN102795037A (en) * | 2011-05-24 | 2012-11-28 | 联想(北京)有限公司 | Method for transferring patterns on workpiece |
-
2013
- 2013-12-12 CN CN201310683047.8A patent/CN104708886A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM353104U (en) * | 2008-05-14 | 2009-03-21 | Cheng-Chien Hsu | Surface coating structure for electronic device housing |
| CN101684622A (en) * | 2008-09-25 | 2010-03-31 | 康准电子科技（昆山）有限公司 | Forming method of fiber products |
| CN102795037A (en) * | 2011-05-24 | 2012-11-28 | 联想(北京)有限公司 | Method for transferring patterns on workpiece |
Non-Patent Citations (1)
| Title |
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| 李志刚等: "基于模外装饰的笔记本贴膜仿真及其工艺参数优化", 《塑料工业》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111019310A (en) * | 2019-12-30 | 2020-04-17 | 无锡市科虹标牌有限公司 | High-stability film wrapping process for mold |
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