CN101537714A - Method for molding carbon fiber product - Google Patents

Method for molding carbon fiber product Download PDF

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Publication number
CN101537714A
CN101537714A CN200810070791A CN200810070791A CN101537714A CN 101537714 A CN101537714 A CN 101537714A CN 200810070791 A CN200810070791 A CN 200810070791A CN 200810070791 A CN200810070791 A CN 200810070791A CN 101537714 A CN101537714 A CN 101537714A
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China
Prior art keywords
carbon fiber
inner core
fiber product
steam
heating
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Pending
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CN200810070791A
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Chinese (zh)
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王景辉
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Individual
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Individual
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Priority to CN200810070791A priority Critical patent/CN101537714A/en
Publication of CN101537714A publication Critical patent/CN101537714A/en
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Abstract

The invention discloses a method for molding a carbon fiber product, which comprises: a step 1 of processing an inner core body, in which a core body adaptive to the shape of the carbon fiber product is processed by adopting a foam material with the characteristic of thermal contraction; a step 2 of wrapping with an air bag, in which the outside of the core body is wrapped with an air bag, and an air inlet nozzle which is connected with the air bag is arranged; a step 3 of wrapping with a plurality of carbon fiber layers, in which the outside of the air bag is wrapped with a plurality of carbon fiber layers, and then the air bag is put into a die; a step 4 of heating curing, in which steam or hot air is led into the air bag through the air inlet nozzle for heating, the heating ensures that the inner core body shrinks, the shrinking ensures that a gap is formed between the air bag and the inner core body, the gap forms a conveying air duct, and the steam or the hot wind flows in the conveying air duct and heats the plurality of the carbon fiber layers so as to fuse the carbon fiber layers and solidify the product; a step 5 of cooling with water, in which the air inlet nozzle and an air outlet nozzle are adopted; and a step 6 of taking out the core body, in which the die is opened for taking out the inner core body. The technical proposal of the method has the advantages of less heating consumption, high molding efficiency and cost reduction.

Description

A kind of method for molding carbon fiber product
Technical field
The present invention relates to a kind of method for molding carbon fiber product, particularly relate to a kind of method that adopts vapours moulding carbon fiber product.
Background technology
Traditional carbon fiber product 30 forming methods, the device that this method adopted as shown in Figure 1, it comprises the template 10 of mould 20 and fixed mould 20.This method may further comprise the steps: step 1 assembles the multilayer carbon fiber layer in mould; Step 2, matched moulds; Step 3, heated die plate 10, cured article: this template 10 is delivered to mould 20 with heat heat, and this mould 20 is delivered to the multilayer carbon fiber layer with heat heat so that this multilayer carbon fiber layer fuses, and making the fusion curing molding is carbon fiber product 30.Step 4, cooling step: cold water cooling die 20.One, the external world add heat through after the multiple transmission just in order to the fusion carbon fiber layer, thermal losses is big, the cost height; Its two, heat transfer speed is slow, shaping speed is slow, working (machining) efficiency is low.
Summary of the invention
The purpose of this invention is to provide a kind of method for molding carbon fiber product, it has overcome the deficiency that the existing thermal losses of background technology method for molding carbon fiber product is big, cost is high, shaping speed is slow, and has reached the purpose that cuts down the consumption of energy, reduces cost, accelerates shaping speed.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of method for molding carbon fiber product, it may further comprise the steps:
Step 1, the inner core-body procedure of processing adopts the expanded material with heat shrinkability characteristic to process the inner core-body of adaptive carbon fiber product shape;
Step 2, airbag parcel step at inner core-body outer wrapping airbag, is provided with the suction nozzle that connects airbag;
Step 3, carbon fibre parcel step at airbag outer wrapping multilayer carbon fiber layer, is put into mould then;
Step 4, step is heating and curing, in airbag, import steam or hot blast by suction nozzle, this heating is shunk inner core-body, this contraction makes between airbag and the inner core-body and produces the gap, this gap forms carries air flue, this steam or hot blast in carrying air flue, flow and heating multilayer carbon fiber layer so that its fusion, so that products solidifying;
Step 5, cooling step, the cold water cooling is by suction nozzle and outlet nozzle; And
Step 6 is taken out the inner core-body step, and inner core-body is taken out in die sinking again.
In the preferred embodiment of the present invention, in the taking-up inner core-body step of this step 6, inner core-body is then smashed in first die sinking to pieces, takes out the inner core-body material then.
In the preferred embodiment of the present invention, in the heating steps of this step 4, adopt Steam Heating, this vapor (steam) temperature is the 140-200 degree, and air pressure is at the 8-11 kilogram.
In the preferred embodiment of the present invention, this expanded material is Bao Lilong.
In the preferred embodiment of the present invention, this airbag also is connected with exhaust nozzle.
In the preferred embodiment of the present invention, this suction nozzle and exhaust nozzle all are installed in inner core-body.
In the preferred embodiment of the present invention, this carry in air flue steam can folk prescription to flowing.
In the preferred embodiment of the present invention, be provided with the blocking portion that can stop steam to pass through between this suction nozzle and the exhaust nozzle.
In the preferred embodiment of the present invention, this product is a tubular products.
The technical program is compared with background technology: because the technical program adopts vapours with the direct heating and fusing of multilayer carbon fiber layer, therefore overcome the existing deficiency of background technology, and has a following advantage: one, the heating less energy consumption, can save 80% electric weight, in the social environment high up to the energy prices of 100 U.S. dollars of every barrel of oil price nowadays, this advantage can reduce manufacturing cost greatly, and effect is especially outstanding; Its two, adopt directly heating, the fusion effectiveness height.Owing to smash inner core-body to pieces earlier, take out the inner core-body material again, therefore convenient to remove quick.Because this expanded material has heat shrinkability characteristic, therefore inner core-body can be subjected to thermal contraction in the heating process, this contraction meeting produces the gap between carbon fiber layer and inner core-body, vapours or hot blast can flow in the gap, smooth and easy, quick, most a large amount of heats that should flow directly heat carbon fiber layer, fusion speed is fast, and cooling velocity is fast, the wall thickness uniform in shaping.Because this vapor (steam) temperature is the 140-200 degree, air pressure is at the 8-11 kilogram, therefore not only can curing molding, and also curing rate is fast, energy loss is few.Also be provided with on this conveying air flue and also have only an exhaust nozzle and an exhaust nozzle, this steam enters from suction nozzle, go out from exhaust nozzle, and between this suction nozzle and exhaust nozzle, be provided with the blocking portion that can stop steam to pass through, so that steam can folk prescription to flowing, therefore steam is mobile smooth and easy, solidifies heat and evenly distributes, and the formed product wall thickness is even.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the shaped device schematic diagram of background technology.
Fig. 2 has illustrated the product schematic diagram of a preferred embodiment.
Fig. 3 has illustrated the formed product schematic diagram of a preferred embodiment, and the direction of arrow is represented airflow direction among the figure.
The specific embodiment
A kind of carbon fiber product is please referred to Fig. 2, and it is the tripod 30 of carbon fiber bicycle, and this tripod 30 is a tubulose.The mould that this carbon fiber product adopted is please referred to Fig. 3, and it comprises core rod 10 and external mold, and this mould can be with reference to traditional moulds.
A kind of method for molding carbon fiber product, it may further comprise the steps:
Step 1, the inner core-body procedure of processing adopts Bao Lilong to process the inner core-body 20 of adaptive carbon fiber product 30 shapes, and in the present embodiment, these inner core-body 20 form fit are in tripod 30 cavity shapes;
Step 2, airbag parcel step at inner core-body outer wrapping airbag 40, is installed with a suction nozzle 50 and an exhaust nozzle 60 on this inner core-body 20, and wherein, this suction nozzle 50 all is connected airbag 40 with exhaust nozzle 60;
Step 3, carbon fibre parcel step at airbag 40 outer wrapping multilayer carbon fiber layers, is put into mould then;
Step 4, the step that is heating and curing, steam generation device imports steam by suction nozzle 50 in airbag 40, and this vapor (steam) temperature is the 140-200 degree, and air pressure is at the 8-11 kilogram, and the desirable temperature of optimum value is 160 degree, air pressure is at 9 kilograms; This heating is shunk inner core-body 20, and this contraction makes between airbag 40 and the inner core-body 20 and produces the gap, and this gap forms carries air flue, this steam in carrying air flue, flow and heating multilayer carbon fiber layer so that its fusion, so that cured article;
Step 5, cooling step, the cold water cooling is by suction nozzle and outlet nozzle; And
Step 6 is taken out the inner core-body step, and inner core-body 20 is then smashed in first die sinking to pieces, takes out the broken material of inner core-body 20 then.
In the present embodiment, this Bao Lilong material is expanded material and has heat shrinkability characteristic.This expanded material self has a plurality of micro hole, and when heating had just begun, this steam flowed in micro hole, so that inner core-body 30 is heated, this is heated inner core-body 30 is shunk.This material adopts Bao Lilong to exceed in the present embodiment, but not as limit, all can use and is processed into inner core-body 30 as long as have the material of above-mentioned characteristic.
These airbag 40 connections also only are connected with a suction nozzle and an exhaust nozzle, also be that this conveying air flue is provided with and also has only a suction nozzle and an exhaust nozzle, and between this suction nozzle and exhaust nozzle, being provided with the blocking portion that can stop steam to pass through, this blocking portion adopts tulle in the present embodiment.This steam enters from suction nozzle, goes out from exhaust nozzle, make steam can folk prescription to flowing, it is smooth and easy to flow, and solidifies heat and evenly distributes, the formed product wall thickness is even.
The product of present embodiment is that the tripod 30 with carbon fiber bicycle is an example but not as limit, the carbon fiber product of other tubulose also can adopt the processing of this forming method, when this tubulose has a plurality of port, connect suction nozzle 50 and the exhaust nozzle 60 except leaving two ports, the sealing of other port so that steam can folk prescription to flowing.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modification, all should still belong in the scope that patent of the present invention contains.

Claims (9)

1. method for molding carbon fiber product, it may further comprise the steps:
Step 1, the inner core-body procedure of processing adopts the expanded material with heat shrinkability characteristic to process the inner core-body of adaptive carbon fiber product shape;
Step 2, airbag parcel step at inner core-body outer wrapping airbag, is provided with the suction nozzle that connects airbag;
Step 3, carbon fibre parcel step at airbag outer wrapping multilayer carbon fiber layer, is put into mould then;
It is characterized in that: step 4, step is heating and curing, in airbag, import steam or hot blast by suction nozzle, this heating is shunk inner core-body, this contraction makes between airbag and the inner core-body and produces the gap, this gap forms carries air flue, this steam or hot blast in carrying air flue, flow and heating multilayer carbon fiber layer so that its fusion, so that products solidifying;
Step 5, cooling step: cool off by water, adopt suction nozzle and outlet nozzle; And
Step 6 is taken out the inner core-body step, and inner core-body is taken out in die sinking again.
2. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: in the taking-up inner core-body step of this step 6, inner core-body is then smashed in first die sinking to pieces, takes out the inner core-body material then.
3. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: in the heating steps of this step 4, adopt Steam Heating, this vapor (steam) temperature is the 140-200 degree, and air pressure is at the 8-11 kilogram.
4. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: this expanded material is Bao Lilong.
5. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: this airbag also is connected with exhaust nozzle.
6. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: this suction nozzle and exhaust nozzle all are installed in inner core-body.
7. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: in this conveying air flue steam can folk prescription to flowing.
8. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: be provided with the blocking portion that can stop steam to pass through between this suction nozzle and the exhaust nozzle.
9. a kind of method for molding carbon fiber product according to claim 1 is characterized in that: this product is a tubular products.
CN200810070791A 2008-03-18 2008-03-18 Method for molding carbon fiber product Pending CN101537714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810070791A CN101537714A (en) 2008-03-18 2008-03-18 Method for molding carbon fiber product

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Application Number Priority Date Filing Date Title
CN200810070791A CN101537714A (en) 2008-03-18 2008-03-18 Method for molding carbon fiber product

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CN101537714A true CN101537714A (en) 2009-09-23

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481527A (en) * 2013-04-26 2014-01-01 徐建昇 Manufacturing method for fiber tubes
US20140103561A1 (en) * 2012-10-15 2014-04-17 Jiin-Biau Huang Method for molding composite material
CN103770342A (en) * 2012-10-26 2014-05-07 比亚迪股份有限公司 Method for preparing carbon fiber tube with irregular appearance
CN103831978A (en) * 2012-11-23 2014-06-04 黄锦标 Forming method of composite material
TWI466771B (en) * 2012-08-09 2015-01-01
CN107020760A (en) * 2017-03-16 2017-08-08 泰山体育产业集团有限公司 A kind of tubular composite material part forming methods
CN107745512A (en) * 2017-12-10 2018-03-02 孙敬荣 A kind of mine cable connects thermal shrinkable sleeve heater
TWI619603B (en) * 2016-08-26 2018-04-01 黃淑娟 Acoustic absorber, producing method thereof and tooling thereof
CN107972293A (en) * 2016-10-21 2018-05-01 江靖斌 A kind of carbon fiber product molding machine and method
CN108162366A (en) * 2018-03-07 2018-06-15 天津煊宇包装制品有限公司 A kind of bottle base local cooling device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI466771B (en) * 2012-08-09 2015-01-01
US20140103561A1 (en) * 2012-10-15 2014-04-17 Jiin-Biau Huang Method for molding composite material
CN103770342A (en) * 2012-10-26 2014-05-07 比亚迪股份有限公司 Method for preparing carbon fiber tube with irregular appearance
CN103770342B (en) * 2012-10-26 2016-04-27 比亚迪股份有限公司 A kind of preparation method of irregular contour carbon fiber pipe
CN103831978A (en) * 2012-11-23 2014-06-04 黄锦标 Forming method of composite material
CN103481527A (en) * 2013-04-26 2014-01-01 徐建昇 Manufacturing method for fiber tubes
CN103481527B (en) * 2013-04-26 2016-02-03 徐建昇 The preparation method of cellulosic tubing
TWI619603B (en) * 2016-08-26 2018-04-01 黃淑娟 Acoustic absorber, producing method thereof and tooling thereof
CN107972293A (en) * 2016-10-21 2018-05-01 江靖斌 A kind of carbon fiber product molding machine and method
CN107020760A (en) * 2017-03-16 2017-08-08 泰山体育产业集团有限公司 A kind of tubular composite material part forming methods
CN107745512A (en) * 2017-12-10 2018-03-02 孙敬荣 A kind of mine cable connects thermal shrinkable sleeve heater
CN108162366A (en) * 2018-03-07 2018-06-15 天津煊宇包装制品有限公司 A kind of bottle base local cooling device

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Open date: 20090923