CN113119494A - Carbon fiber automobile battery box and preparation method thereof - Google Patents
Carbon fiber automobile battery box and preparation method thereof Download PDFInfo
- Publication number
- CN113119494A CN113119494A CN201911402231.4A CN201911402231A CN113119494A CN 113119494 A CN113119494 A CN 113119494A CN 201911402231 A CN201911402231 A CN 201911402231A CN 113119494 A CN113119494 A CN 113119494A
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- China
- Prior art keywords
- carbon fiber
- battery box
- automobile battery
- curing
- mold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/36—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and impregnating by casting, e.g. vacuum casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7146—Battery-cases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a carbon fiber automobile battery box and a preparation method thereof, wherein the automobile battery box comprises the following components of gel coat, epoxy resin and carbon fiber cloth, and the preparation steps of the carbon fiber automobile battery box are as follows: firstly, selecting an automobile battery box mould; the mold cavity is firstly wiped for many times by using a release agent, so that the subsequent successful demolding is facilitated; after the release agent is sprayed, uniformly coating gel coats in the die cavity, flatly paving the carbon fiber cloth in the die cavity, and finishing redundant positions of the carbon fiber cloth; combining an upper die and a lower die of the automobile battery box, adding a curing agent into the epoxy resin for mixing, and injecting the mixed epoxy resin through a glue injection port of the die after mixing; and after injection, placing the mold into a curing furnace for curing, performing demolding treatment after curing, and polishing the box cavity after demolding to obtain the automobile battery box containing the carbon fiber cloth. The invention reduces the manufacturing cost and also reduces the mass compared with the traditional battery box.
Description
Technical Field
The invention belongs to the technical field of carbon fiber automobile battery boxes and preparation methods thereof, and particularly relates to a carbon fiber automobile battery box and a preparation method thereof.
Background
The light weight of automobiles is becoming more and more concerned by designers as an important direction for the development of automobiles at present and in the future, wherein an important approach for the light weight of automobiles is to adopt light materials. The carbon fiber composite material has the characteristics of excellent mechanical property, low density and the like, and is gradually substituted for steel materials to be widely applied to the automobile industry.
The automobile battery box generally uses thermosetting plastic products, the density of the carbon fiber composite material is about 20% lower than that of thermosetting plastic, the carbon fiber composite material has more advantages in the aspect of mechanical performance, lower use weight can be achieved through reasonable layering and structural design, the level of the domestic automobile carbon fiber composite material products and the application is lower, the development, design and application of the domestic automobile parts are fewer, and the mature automobile part product design and part preparation and application experience are lacked.
Disclosure of Invention
In order to solve the technical problems, the invention provides a carbon fiber automobile battery box and a preparation method thereof, wherein the automobile battery box comprises the following components of gel coat, epoxy resin and carbon fiber cloth, and the preparation method of the carbon fiber automobile battery box comprises the following steps:
s1: firstly, selecting an automobile battery box mould which is divided into an upper mould and a lower mould;
s2: the mold cavity is firstly wiped for many times by using a release agent, so that the subsequent successful demolding is facilitated;
s3: after the release agent is sprayed, uniformly coating gel coats in the die cavity, flatly paving the carbon fiber cloth in the die cavity, and finishing redundant positions of the carbon fiber cloth;
s4, combining the upper die and the lower die of the automobile battery box, adding a curing agent into the epoxy resin for mixing, and injecting the mixed epoxy resin through a glue injection port of the die after mixing;
and S5, after injection, placing the mold into a curing furnace for curing, after curing, performing demolding treatment, and after demolding, performing polishing treatment on the box cavity to obtain the automobile battery box containing the carbon fiber cloth.
Preferably, when the automobile battery box mold is selected, the mold is designed in advance, and the mold with the smooth flanging is selected.
Preferably, the mold release agent should be wiped across the cavity 4-6 times, and every 15 min.
Preferably, the thickness of the gel coat which is uniformly coated is 0.6-1 mm.
Preferably, the carbon fiber cloth is a mixed carbon fiber woven cloth which is formed by combining a plurality of fibers such as carbon fibers, glass fibers, mineral fibers, ceramic fibers and aramid fibers.
Preferably, the curing temperature of the curing furnace is 65-85 ℃, and the curing time is 2-3 h.
Compared with the prior art, the invention has the beneficial effects that: adopt mixed carbon fiber woven cloth to make carbon fiber car battery case, also reduced the cost of preparation when comparing pure carbon fiber cloth and having improved the performance, and compare in traditional battery case also alleviate the quality.
Drawings
FIG. 1 is a view showing the steps of manufacturing a carbon fiber automobile battery case and a method for manufacturing the same.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is further described below:
example (b):
as shown in the attached figure 1, the carbon fiber automobile battery box and the preparation method thereof comprise the following components:
s1: firstly, selecting an automobile battery box mould, designing the mould in advance when the automobile battery box mould is selected, selecting a mould with a smooth flanging, and dividing the mould into an upper mould and a lower mould;
s2: firstly, wiping the mold cavity by using a release agent in the mold cavity, wherein the number of wiping the mold cavity is 4-6, and the wiping is performed once every 15min, so that the subsequent successful demolding can be conveniently realized;
s3: uniformly coating a gel coat in the die cavity after spraying a release agent, wherein the thickness of the uniformly coated gel coat is 0.6-1mm, flatly paving carbon fiber cloth in the die cavity after the gel coat is coated, and finishing redundant positions of the carbon fiber cloth, wherein the carbon fiber cloth is selected from mixed carbon fiber woven cloth which is formed by combining multiple fibers such as carbon fiber, glass fiber, mineral fiber, ceramic fiber and aramid fiber;
s4, combining the upper die and the lower die of the automobile battery box, adding a curing agent into the epoxy resin for mixing, and injecting the mixed epoxy resin through a glue injection port of the die after mixing;
and S5, after injection, placing the mold into a curing furnace for curing at the curing temperature of 65-85 ℃ for 2-3h, demolding after curing, and polishing the box cavity after demolding to obtain the automobile battery box containing the carbon fiber cloth.
Specifically, an automobile battery box mould is selected firstly, the mould is designed in advance when the automobile battery box mould is selected, the mould with smooth flanging is selected, and the mould is divided into an upper mould and a lower mould; firstly, wiping the mold cavity by using a release agent in the mold cavity, wherein the wiping frequency of the mold cavity is 5 times, and the wiping is performed once every 15 min; uniformly coating a gel coat in the die cavity after spraying a release agent, wherein the thickness of the uniformly coated gel coat is 0.7mm, flatly paving the carbon fiber cloth in the die cavity after the gel coat is coated, and finishing the redundant part of the carbon fiber cloth; combining an upper die and a lower die of the automobile battery box, adding a curing agent into the epoxy resin for mixing, and injecting the mixed epoxy resin through a glue injection port of the die after mixing; and after injection, placing the mold into a curing furnace for curing at the curing temperature of 80 ℃ for 3h, demolding after curing, and polishing the box cavity after demolding to obtain the automobile battery box containing the carbon fiber cloth.
It should be noted that, in this document, moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The carbon fiber automobile battery box is characterized by comprising the following components:
s1: firstly, selecting an automobile battery box mould which is divided into an upper mould and a lower mould;
s2: the mold cavity is firstly wiped for many times by using a release agent, so that the subsequent successful demolding is facilitated;
s3: after the release agent is sprayed, uniformly coating gel coats in the die cavity, flatly paving the carbon fiber cloth in the die cavity, and finishing redundant positions of the carbon fiber cloth;
s4, combining the upper die and the lower die of the automobile battery box, adding a curing agent into the epoxy resin for mixing, and injecting the mixed epoxy resin through a glue injection port of the die after mixing;
and S5, after injection, placing the mold into a curing furnace for curing, after curing, performing demolding treatment, and after demolding, performing polishing treatment on the box cavity to obtain the automobile battery box containing the carbon fiber cloth.
2. The carbon fiber automobile battery box and the preparation method thereof as claimed in claim 1, wherein the automobile battery box mold is selected by designing the mold in advance and selecting the mold with a smooth flanging.
3. The carbon fiber automobile battery box and the preparation method thereof according to claim 1, wherein the mold release agent is wiped to the cavity 4-6 times and every 15 min.
4. The carbon fiber automobile battery case and the manufacturing method thereof according to claim 1, wherein the gel coat is uniformly applied to a thickness of 0.6-1 mm.
5. The carbon fiber automobile battery box and the preparation method thereof as claimed in claim 1, wherein the carbon fiber cloth is a mixed carbon fiber woven cloth, and the mixed carbon fiber woven cloth is formed by combining a plurality of fibers such as carbon fiber, glass fiber, mineral fiber, ceramic fiber and aramid fiber.
6. The carbon fiber automobile battery box and the preparation method thereof as claimed in claim 1, wherein the curing temperature of the curing oven is 65-85 ℃ and the curing time is 2-3 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402231.4A CN113119494A (en) | 2019-12-31 | 2019-12-31 | Carbon fiber automobile battery box and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911402231.4A CN113119494A (en) | 2019-12-31 | 2019-12-31 | Carbon fiber automobile battery box and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113119494A true CN113119494A (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911402231.4A Pending CN113119494A (en) | 2019-12-31 | 2019-12-31 | Carbon fiber automobile battery box and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895055A (en) * | 2021-09-02 | 2022-01-07 | 佛山智汇君彰新材料科技有限公司 | Method for preparing battery box of marine equipment |
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2019
- 2019-12-31 CN CN201911402231.4A patent/CN113119494A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113895055A (en) * | 2021-09-02 | 2022-01-07 | 佛山智汇君彰新材料科技有限公司 | Method for preparing battery box of marine equipment |
| CN113895055B (en) * | 2021-09-02 | 2023-10-24 | 佛山智汇君彰新材料科技有限公司 | Method for preparing battery box of marine equipment |
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Application publication date: 20210716 |