CN201936236U - Carbon fiber notebook computer shell and manufacture equipment thereof - Google Patents
Carbon fiber notebook computer shell and manufacture equipment thereof Download PDFInfo
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- CN201936236U CN201936236U CN2011200184878U CN201120018487U CN201936236U CN 201936236 U CN201936236 U CN 201936236U CN 2011200184878 U CN2011200184878 U CN 2011200184878U CN 201120018487 U CN201120018487 U CN 201120018487U CN 201936236 U CN201936236 U CN 201936236U
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- carbon fiber
- notebook computer
- fiber housing
- computer casing
- housing
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Abstract
The utility model relates to a carbon fiber notebook computer shell which comprises a carbon fiber shell and a plastic piece fixedly arranged on the carbon fiber shell that consists of a plurality of layers of carbon fiber cloth and thermoset epoxy resin layers arranged at two sides of the carbon fiber cloth, and the length of the carbon fiber of the carbon fiber cloth is more than 20mm. The utility model also provides manufacture equipment of the carbon fiber notebook computer shell, which comprises a thermal forming mold of a carbon fiber shell, an injection mold of the plastic piece, and a milling tool for cutting and milling the carbon fiber shell. In the utility model, the carbon fiber shell is formed by the plurality of layers of carbon fiber cloth with the length of the carbon fiber more than 20mm and the thermoset epoxy resin layers in a thermal forming manner, as the carbon fiber is longer, the carbon fiber shell has good three-dimensional appearance effect, and good stability and radiation.
Description
Technical field
The utility model relates to the manufacturing field of notebook computer casing, more particularly, relates to a kind of carbon fiber notebook computer casing and manufacturing equipment thereof.
Background technology
Notebook computer is progressively to middle and high end development, and that its shell is pursued is lighter, thinner, more high strength and particular appearance effect.At present, carbon fiber notebook computer casing commonly used mainly is made up of short carbon fiber housing and working of plastics and is formed, and the short carbon fiber shell after the moulding is that short carbon fiber about 2mm constitutes by length, its defective be thickness greatly, weight lays particular stress on, strength variance.Because the existence of short carbon fiber, case surface is more coarse, thereby there is the shortcoming of complex forming technology, appearance property difference in aftertreatments such as causing shell to adopt sprays paint, mute light.And, because the not high defectives such as outer cover intensity after the moulding is not high, yielding, heat dispersion difference that cause of the intensity of working of plastics material own.
The utility model content
The technical problems to be solved in the utility model is, there are big, the defectives such as intensity is not high, heat dispersion difference of thickness at carbon fiber notebook computer casing in the prior art, a kind of carbon fiber notebook computer casing and manufacturing equipment thereof are provided, can finely address the above problem.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of carbon fiber notebook computer casing comprises the carbon fiber housing and is fixedly installed on working of plastics on the described carbon fiber housing; Described carbon fiber housing is made of multilayer carbon fibre cloth layer and the thermosetting epoxy resin layer that is arranged on described carbon fibre cloth layer both sides; The carbon fiber wire length of described carbon fibre cloth layer is greater than 20mm.
A kind of carbon fiber notebook computer casing of the utility model, preferred, the carbon fiber wire of described carbon fibre cloth layer longitudinally, bi-directional distributed radially.
A kind of carbon fiber notebook computer casing of the utility model, preferred, the distribution density of the carbon fiber wire of described carbon fibre cloth layer is 4.412-5.263 root/square centimeter.
A kind of carbon fiber notebook computer casing of the utility model, preferred, described working of plastics is fixed on the described carbon fiber housing by adhesive bond.
A kind of carbon fiber notebook computer casing of the utility model, preferred, described working of plastics is made up of polycarbonate and acrylonitrile-styrene-butadiene copolymer.
A kind of manufacture method of carbon fiber notebook computer casing may further comprise the steps:
S1: at first multilayer carbon fibre cloth layer and the thermosetting epoxy resin layer that is arranged on described carbon fibre cloth layer both sides are formed the carbon fiber housing by the mold hot moulding;
S2: then the plastic liquid of liquid state is formed working of plastics by mold injection and be fixed on the described carbon fiber housing.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferred, described step S1 is further comprising the steps of: S11: be coated with on mould and the surface that epoxy resin layer contacts and be brushed with releasing agent layer.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferred, be added with hardening agent in the described thermosetting epoxy resin layer.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferred, before carrying out step S2, carry out step S11 earlier: the inside surface at described carbon fiber housing coats cementing agent, and described cementing agent is dried processing under 60 ℃ of temperature.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferred, before carrying out step S11, earlier treating agent is smeared in the zone for the treatment of the brushing cementing agent on described carbon fiber housing and carried out the modification corrosion.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferred, described step S2 may further comprise the steps:
S21: will be coated with the carbon fiber housing that is brushed with cementing agent and preheat, and make surface temperature 〉=130 ℃ of carbon fiber housing;
S22: mold temperature is adjusted to 120 ℃-140 ℃;
S23: liquid plastics liquid injection enters in the mould and with cementing agent and contacts;
S24: plastics liquid enters the mould aftershaping and forms plastic parts;
S25: working of plastics after the moulding and carbon fiber housing integral body are taken out from mould, and cooling 4-5min is so that working of plastics and adhesive cures are bonding.
The manufacture method of a kind of carbon fiber notebook computer casing of the utility model, preferably, also comprise step S3: described working of plastics and described carbon fiber housing carry out spray treatment after solidifying: at first working of plastics is sprayed priming paint, then working of plastics and carbon fiber housing integral body are sprayed gloss oil, at last working of plastics and carbon fiber housing integral body are sprayed ultraviolet photo-curing paint.
The utility model also provides a kind of manufacturing equipment of carbon fiber notebook computer casing, comprises the hot forming tool of carbon fiber housing, the injection mold of working of plastics and the milling tool of the described carbon fiber housing of cutting milling.
The manufacturing equipment of a kind of carbon fiber notebook computer casing of the utility model, preferably, described hot forming tool comprises and suitable die of described carbon fiber housing and the punch that is equipped with described die, described die is connected by screw retention with described punch, and the edge of described die is provided with the overflow groove that flows out for plastic liquid.
The manufacturing equipment of a kind of carbon fiber notebook computer casing of the utility model, preferably, described milling tool comprises concave template, is fixed on three-dimensional locating piece in the described concave template and the punch back up pad that is used for fixing described carbon fiber housing, and described carbon fiber housing is between described concave template and described punch back up pad; Also be provided with four quick locating clips on the edge of described concave template.
The utility model can reach following beneficial effect: form the carbon fiber housing by adopting carbon fiber wire length greater than carbon fibre cloth layer and the heat cured epoxy resin thermoforming of 20mm, because the length of carbon fiber wire is longer, thus make the carbon fiber housing surperficial uniform and smooth, three-dimensional appearance is respond well and have good stable and thermal diffusivity.Compare with the notebook housing of staple fibre, but the thickness of shell attenuate 50% of long fibre notebook computer, weight saving 40%.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of carbon fiber notebook computer casing of the present utility model;
Fig. 2 a is the structural scheme of mechanism of hot forming tool of the carbon fiber housing of carbon fiber notebook computer casing of the present utility model;
Fig. 2 b is the D-D cross section cross-sectional schematic of Fig. 2 a;
Fig. 2 c is the cross-sectional schematic of the carbon fiber housing of carbon fiber notebook computer casing of the present utility model;
Fig. 3 a is the structural representation of the milling tool of carbon fiber notebook computer casing of the present utility model;
Fig. 3 b is the K-K diagrammatic cross-section of Fig. 3 a;
Fig. 4 is the manufacture method schematic flow sheet of carbon fiber notebook computer casing of the present utility model.
Among the figure
1, carbon fiber housing 2, working of plastics
3, die 4, punch
5, overflow groove 6, dog screw
7, die version 8, three-dimensional locating piece
9, punch back up pad 10, quick locating clip
101, carbon fibre cloth layer 102, epoxy resin layer
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, be the embodiment that the utility model provides, a kind of carbon fiber notebook computer casing comprises carbon fiber housing 1 and is fixedly installed on working of plastics 2 on the carbon fiber housing that this working of plastics 2 is used to assemble the structure parts of notebook computer.Adopt working of plastics to cooperate this structure with the carbon fiber housing, solved the defective that the carbon fiber housing can not directly assemble the labyrinth parts, working of plastics strengthens the intensity of carbon fiber housing simultaneously, thereby the thickness of attenuate carbon fiber housing farthest alleviates the weight of carbon fiber notebook computer casing.Shown in Fig. 2 c, the carbon fiber housing is made up of multilayer carbon fibre cloth layer 101 and the thermosetting epoxy resin layer 102 that is arranged on carbon fibre cloth layer 101 both sides.The carbon fiber wire length of carbon fibre cloth layer is greater than 20mm because the length of carbon fiber wire is longer, thereby make the carbon fiber housing surperficial uniform and smooth, three-dimensional appearance is respond well and have good stable.Carbon fiber housing after employing thermosetting epoxy resin layer and the carbon fibre cloth layer thermoforming has good intensity, and at high temperature deformation can not take place.
In order to guarantee the toughness of carbon fiber housing, the carbon fiber wire of this carbon fibre cloth layer longitudinally, bi-directional distributed radially.Further, for intensity and the toughness that increases the carbon fiber housing, the distribution density of the carbon fiber wire of two-way carbon fibre cloth layer is 4.412-5.263 root/square centimeter.For example: 14.1 cun notebook computer shell, the quantity of carbon fiber wire are 3000.
As shown in Figure 1, working of plastics 2 is fixed on the carbon fiber housing 1 by adhesive bond, can evenly brush on the surface of carbon fiber housing 1 in order to guarantee cementing agent, and cementing agent is brushed by the gas-powered spraying method.For between the two adhesion bigger, earlier on needing the zone of brushing cementing agent, the carbon fiber surface of shell use treating agent to carry out processing in early stage, allow treating agent that the bond regions of carbon fiber housing is corroded, change its surperficial polarity, thereby increase the adhesive property of cementing agent, cementing agent is better combined with the surface of carbon fiber housing.
Further, in order to increase the intensity of working of plastics, working of plastics is made up of polycarbonate and acrylonitrile-styrene-butadiene copolymer.
The utility model also provides a kind of manufacture method of carbon fiber notebook computer casing, as shown in Figure 4, may further comprise the steps: S1: at first multilayer carbon fibre cloth layer and the thermosetting epoxy resin layer that is arranged on the carbon fibre cloth layer both sides are formed the carbon fiber housing by the mold hot moulding; S2: then the plastic liquid of liquid state is formed working of plastics by mold injection and be fixed on the carbon fiber housing.
The carbon fiber housing is in hot forming tool during moulding, because epoxy resin itself is a kind of tackifier, bonding punch of meeting and punch after it solidifies, thereby cause demoulding difficulty, carbon fiber housing for the ease of moulding breaks away from from hot forming tool easily, and step S1 is further comprising the steps of: S11: be coated with on the surface that mould and epoxy resin layer coat and be brushed with releasing agent layer.
Have certain toughness after making epoxy resin cure, in case blocking fiber shell is easily pulverized the corner when falling, epoxy resin must pass through modification, is added with hardening agent in the epoxy resin layer that is:.
Epoxy resin layer 102 forms in the process of carbon fiber housing in thermoforming with carbon fibre cloth layer 101, can fill, soak, be integrated into carbon fibre tow inside well in order to guarantee epoxy resin layer 101, epoxy resin viscosity can not be too high, otherwise can cause it mobile poor, the too small intensity that then causes solidifying back carbon fiber housing of viscosity is affected, preferably, the viscosity of epoxy resin is 5000-6000 milli pascal second under 25 ℃ of temperature.
The carbon fiber housing needs to carry out slitter edge and tentatively excises after thermoforming, carry out milling then.Owing to reasons such as the shape of carbon fiber housing, hardness, by the both sides of milling face support must be arranged, in case cause milling face to break or out-of-flatness because of carbon fiber housing self insufficient strength during milling process.After machining, milling face and corner cutting intersection need polish smooth.
Preferably, before carrying out step S2, carry out step S11 earlier:, cementing agent is dried processing under 60 ℃ of temperature at the external coating cementing agent of carbon fiber housing.The purpose of brushing cementing agent is to allow the liquid plastic liquid of fusion be fixed on the carbon fiber housing by cementing agent.
The top layer of carbon fiber housing is heat cured epoxy resin, and the epoxy resin surface density after the curing is big, awkward sticking material, and cementing agent is difficult to directly be penetrated in the epoxy resin molecule, and therefore, the top layer epoxy resin surface of carbon fiber housing must carry out pre-service.Preferably, before carrying out step S11, earlier treating agent is smeared in the zone for the treatment of the brushing cementing agent on the carbon fiber housing and carried out the modification corrosion.At first, the inside surface of carbon fiber housing carries out oil removing, dust removal process with alcohol; Then, to the inside surface brushing special treating agent of carbon fiber housing, the effect of this treating agent is that epoxy resin surface is corroded, and effectively improves the surface polarity of epoxy resin, thereby increase the adhesion between cementing agent and epoxy resin, improve the adhesive property of the two greatly.At last, the carbon fiber housing normal temperature of finishing dealing with is placed hyperthermia drying volatilizees fully to guarantee treating agent after 15 minutes.
After finishing dealing with treating agent in the surface of carbon fiber housing, carry out step S11 again, adopt the spraying of the capable cementing agent of gas-powered spraying method, even with the thickness of guaranteeing the adhesive surface tack coat, thus guarantee that cohesive strength is even.After the cementing agent spraying is finished, under certain temperature and time condition, surperficial cementing agent is dried processing.
Concrete, step S2 may further comprise the steps:
S21: in order to make cementing agent bond plastic part and carbon fiber housing securely, must give full play to the activity of cementing agent, because cementing agent needs the high temperature at 130 ℃ its activity excitation could be come out, make adhesive property reach best, must before putting into injection mold, the carbon fiber housing carry out thermal pretreatment, that is: will be coated with the carbon fiber housing that is brushed with cementing agent and preheat, make surface temperature 〉=130 ℃ of carbon fiber housing;
S22: mold temperature is adjusted to 120 ℃-140 ℃;
S23: carbon fiber housing after the thermal pretreatment is put into injection mold, and liquid plastics liquid injection enters in the mould and with cementing agent and contacts;
S24: plastics liquid enters the mould aftershaping and forms plastic parts gradually;
S25: working of plastics after the moulding and carbon fiber housing integral body are taken out from mould, and cooling 4-5min is so that working of plastics and adhesive cures are bonding.Treat that carbon fiber skin is cooled to room temperature fully, so that guarantee bond effect the best of cementing agent and carbon fiber housing.
The carbon fiber skin of moulding from injection mold, since during spraying adhesive because the air pressure instability, the quantity for spray of the inside surface regional area cementing agent of carbon fiber housing can be on the high side, the plastic liquid of High Temperature High Pressure can be extruded unnecessary cementing agent in the injection molding process, influence the outward appearance of carbon fiber skin, therefore, after the carbon fiber skin demoulding, need aftertreatment is carried out in the zone that cementing agent overflows, the cementing agent after will solidifying is removed.
Further, carbon fiber skin after the injection mo(u)lding is owing to be subjected to injection mold internal mold temperature, the influence of high temperature such as injection molding material temperature, have the thermoprint vestige on the carbon fiber skin, in order to strengthen the apparent brightness effect of carbon fiber skin, make it possess anti-scratch performance, carbon fiber skin after the injection moulding must be carried out spray treatment, that is: step S3 as shown in Figure 4, working of plastics and carbon fiber housing carry out spray treatment after solidifying: at first working of plastics is sprayed priming paint, then working of plastics and carbon fiber housing integral body are sprayed gloss oil, at last working of plastics and carbon fiber housing integral body are sprayed ultraviolet photo-curing paint.
The utility model also provides a kind of manufacturing equipment of carbon fiber notebook computer casing, and is preferred, comprises the hot forming tool that is used for the carbon fiber housing, the milling tool that is used for the injection mold of working of plastics and is used for cutting milling carbon fiber housing.
Concrete, shown in Fig. 2 a and Fig. 2 b, hot forming tool comprises and suitable die 3 of carbon fiber housing and the punch 4 that is equipped with die 3 that die 3 is fixedlyed connected by dog screw 6 with punch 4, and the edge of die 3 is provided with the overflow groove 5 that flows out for plastic liquid.
Shown in Fig. 3 a and Fig. 3 b, milling tool comprises concave template 7, is fixed on three-dimensional locating piece 8 in the concave template 7 and the punch back up pad 9 that is used for fixing carbon fiber housing 1, and the carbon fiber housing is between concave template 7 and punch back up pad 9; Also be provided with four quick locating clips 10 on the edge of concave template 7.Three-dimensional locating piece 10 is to guarantee that concave template 7, carbon fiber skin 1, punch back-up block 9 three positions accurately aim at.Locating clip 10 has four fast, and use is closed in two one assembly.
In conjunction with the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away under the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.
Claims (7)
1. carbon fiber notebook computer casing is characterized in that: comprise the carbon fiber housing and be fixedly installed on working of plastics on the described carbon fiber housing; Described carbon fiber housing is made of multilayer carbon fibre cloth layer and the thermosetting epoxy resin layer that is arranged on described carbon fibre cloth layer both sides; The carbon fiber wire length of described carbon fibre cloth layer is greater than 20mm.
2. according to the carbon fiber notebook computer casing of claim 1, it is characterized in that, the carbon fiber wire of described carbon fibre cloth layer longitudinally, bi-directional distributed radially.
3. according to the carbon fiber notebook computer casing of claim 2, it is characterized in that the distribution density of the carbon fiber wire of described carbon fibre cloth layer is 4.412-5.263 root/square centimeter.
4. according to the carbon fiber notebook computer casing of claim 1, it is characterized in that described working of plastics is fixed on the described carbon fiber housing by adhesive bond.
5. the manufacturing equipment of a carbon fiber notebook computer casing is characterized in that: comprise the hot forming tool of carbon fiber housing, the injection mold of working of plastics and the milling tool of the described carbon fiber housing of cutting milling.
6. the manufacturing equipment of carbon fiber notebook computer casing according to claim 5, it is characterized in that, described hot forming tool comprises and suitable die of described carbon fiber housing and the punch that is equipped with described die, described die is connected by screw retention with described punch, and the edge of described die is provided with the overflow groove that flows out for plastic liquid.
7. the manufacturing equipment of carbon fiber notebook computer casing according to claim 5, it is characterized in that, described milling tool comprises concave template, is fixed on three-dimensional locating piece in the described concave template and the punch back up pad that is used for fixing described carbon fiber housing, and described carbon fiber housing is between described concave template and described punch back up pad; Also be provided with four quick locating clips on the edge of described concave template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200184878U CN201936236U (en) | 2011-01-20 | 2011-01-20 | Carbon fiber notebook computer shell and manufacture equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200184878U CN201936236U (en) | 2011-01-20 | 2011-01-20 | Carbon fiber notebook computer shell and manufacture equipment thereof |
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| Publication Number | Publication Date |
|---|---|
| CN201936236U true CN201936236U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200184878U Expired - Lifetime CN201936236U (en) | 2011-01-20 | 2011-01-20 | Carbon fiber notebook computer shell and manufacture equipment thereof |
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| CN (1) | CN201936236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873902A (en) * | 2020-12-31 | 2021-06-01 | 浙江恒源洁具股份有限公司 | Carbon fiber integrated basin and preparation process thereof |
-
2011
- 2011-01-20 CN CN2011200184878U patent/CN201936236U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873902A (en) * | 2020-12-31 | 2021-06-01 | 浙江恒源洁具股份有限公司 | Carbon fiber integrated basin and preparation process thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |