JPS62177225A - Production device for carbon fiber by centrifugal spinning - Google Patents
Production device for carbon fiber by centrifugal spinningInfo
- Publication number
- JPS62177225A JPS62177225A JP61016559A JP1655986A JPS62177225A JP S62177225 A JPS62177225 A JP S62177225A JP 61016559 A JP61016559 A JP 61016559A JP 1655986 A JP1655986 A JP 1655986A JP S62177225 A JPS62177225 A JP S62177225A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- belt conveyor
- centrifugal spinning
- spinning
- fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009987 spinning Methods 0.000 title claims abstract description 34
- 229920000049 Carbon (fiber) Polymers 0.000 title claims description 12
- 239000004917 carbon fiber Substances 0.000 title claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims description 7
- 238000004519 manufacturing process Methods 0.000 title description 7
- 239000000835 fiber Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Inorganic Fibers (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は遠心紡糸によって得られるカーボン繊維の製造
装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an apparatus for producing carbon fiber obtained by centrifugal spinning.
（従来の技術） 第３図に従来の遠心紡糸装置の代表例を示す。(Conventional technology) FIG. 3 shows a typical example of a conventional centrifugal spinning device.
この装置による紡糸方法はカップ状の回転する紡糸ノズ
ル５の中に溶湯状態のピッチからなるカーボン原料２を
中空シャフト４内の注入孔３から流しこみ、紡糸ノズル
５の回転により遠心力によってノズル孔から噴射される
カーボン原料２は細い繊維１１となって外部に飛び出し
、紡糸ノズル５の周囲に配設された外壁７に当って綿状
のカーボン繊維１となるもので、遠心力を利用した方法
である。The spinning method using this device involves pouring a carbon raw material 2 made of molten pitch into a rotating cup-shaped spinning nozzle 5 through an injection hole 3 in a hollow shaft 4, and applying centrifugal force to the nozzle hole as the spinning nozzle 5 rotates. The carbon raw material 2 injected from the spinning nozzle 5 becomes thin fibers 11 and jumps out to the outside, and when they hit the outer wall 7 arranged around the spinning nozzle 5, they become cotton-like carbon fibers 1. This method uses centrifugal force. It is.
ここで９はシャフト１０を介して前記紡糸ノズル５を回
転駆動するためのモータ、６．８は紡糸ノズル５の上下
に配設された一端が広がったラッパ状のカバーである。Here, 9 is a motor for rotationally driving the spinning nozzle 5 via the shaft 10, and 6.8 is a trumpet-shaped cover with one end widened, disposed above and below the spinning nozzle 5.
この様に紡糸ノズル５から噴射され外壁７に当った繊維
１１は、上部からの空気又は窒素からなる原料ピッチ軟
化温度以下の温風又は冷風１５により下方に流される。The fibers 11 that are injected from the spinning nozzle 5 and hit the outer wall 7 in this manner are swept downward by hot or cold air 15 made of air or nitrogen and having a temperature below the softening temperature of the raw material pitch.
そして、これらの繊維１１は遠心紡糸装置の下部に設け
られたパレット１２内に溜る。These fibers 11 then accumulate in a pallet 12 provided at the bottom of the centrifugal spinning device.
このパレット１２は平面が環状をなしカップ状の架台１
３上にｆ２置固定され、シャフト１４を介して回転する
。ここで、紡糸ノズル５の回転は約３００ Ｏｒ、ｐ、
ｍ、、パレ７ ｔ−１２の回転は１０〜５０ｒ、１０ｍ
、である。また、注入するカーボン原料２の温度は３５
０ ’Ｃである。This pallet 12 has an annular plane and a cup-shaped pedestal 1
3 and rotates via a shaft 14. Here, the rotation of the spinning nozzle 5 is approximately 300 Or, p,
m,, pare 7 t-12 rotation is 10~50r, 10m
, is. In addition, the temperature of the carbon raw material 2 to be injected is 35
0'C.
この様にしてパレット１２内に一定量蓄積された繊維群
１は、装置の作動を一旦停止させて外部へ取出される。The fiber group 1 accumulated in a certain amount in the pallet 12 in this manner is taken out to the outside after the operation of the apparatus is temporarily stopped.
この繊維群１は第４図（ａ）に示す様に遠心回転により
成形されているため円筒状になっている。この様な形状
のままだと、次工程への搬送や、その後の種々の処理に
際し、不都合を生じるので、従来は同図（ｂ）の様に円
筒の１部を人手で切開し、一枚の板状にしてから次工程
へと送り出している。This fiber group 1 has a cylindrical shape because it is formed by centrifugal rotation as shown in FIG. 4(a). If this shape remains, it will cause inconvenience during transportation to the next process and various subsequent processing, so conventionally, as shown in Figure (b), a part of the cylinder is manually cut open and cut into one piece. After cutting into a plate shape, it is sent to the next process.
（発明が解決しようとする問題点） この様に従来装置によると、 （１）一定量毎に操業を停止する。(Problem to be solved by the invention) According to the conventional device, (1) Stop operation after a certain amount.
（２）成形した繊維群１を外部に取出し、その後切開す
る作業が必要であり、工程が煩雑である。(2) It is necessary to take out the molded fiber group 1 outside and then cut it open, which makes the process complicated.
等の問題点を有していた。It had the following problems.
本発明はこれらの点を解消し、装置を停止することなく
連続的に製造でき、しかも人手が不要で連続製造される
繊維を連続して外部へ取出すと共にその搬送を可能とす
るカーボン繊維の製造装置を提供しようとするものであ
る。The present invention solves these problems and enables the production of carbon fibers that can be produced continuously without stopping the equipment, and also allows the continuously produced fibers to be taken out and transported outside without the need for manpower. The aim is to provide equipment.
（問題点を解決するための手段）
このため、本発明は遠心紡糸によりカーボン繊維を製造
する装置において、遠心紡糸部の側方又は下方に繊維案
内ダクトを設けると共に、該案内口に対向してメソシュ
状のベルトコンベアを介して吸引装置を配設することを
構成とし、これを上記問題点の解決手段とするものであ
る。(Means for Solving the Problems) Therefore, the present invention provides an apparatus for producing carbon fibers by centrifugal spinning, in which a fiber guide duct is provided on the side or below the centrifugal spinning section, and a fiber guide duct is provided opposite to the guide port. A suction device is disposed via a mesoche-like belt conveyor, and this is a means for solving the above-mentioned problems.
（作用）
遠心紡糸されたカーボン短繊維は遠心紡糸部の側方又は
下方に設置された案内ダクトを通して、エンドレスに移
動するメツシュ状のベルトコンベア上に吸引集積されて
、板状の繊維ウェブを形成し、連続的に搬出される。(Operation) The centrifugally spun short carbon fibers pass through a guide duct installed on the side or below the centrifugal spinning section, and are suctioned and accumulated on a mesh-like belt conveyor that moves endlessly, forming a plate-like fiber web. and are transported continuously.
（実施例） 以下、本発明の実施例を図面について説明する。(Example) Embodiments of the present invention will be described below with reference to the drawings.
第１図及び第２図は夫々本発明の異なる実施例を示し、
第１図は繊維を遠心紡糸部の側方から取り出すようした
もので、第２図は繊維を遠心紡糸部の下方から取り出す
ようにしたものである。1 and 2 respectively show different embodiments of the present invention,
In Fig. 1, the fibers are taken out from the side of the centrifugal spinning section, and in Fig. 2, the fibers are taken out from below the centrifugal spinning part.
まず、第１図に示すカーボン繊維の製造装置について説
明すると、２は中空シャフト４の注入孔３から紡糸ノズ
ル５内に溶湯状態で注入されたカーボン原料である。First, the carbon fiber manufacturing apparatus shown in FIG. 1 will be described. Reference numeral 2 denotes a carbon raw material injected in a molten state into a spinning nozzle 5 through an injection hole 3 of a hollow shaft 4.
紡糸ノズル５はカップ状をなし、その円筒部には半径方
向に向けて多数のノズル孔が形成され、その底部裏面中
央にはモータ９の出力軸に連結されたシャフト１０が固
設されている。以上が、本発明でいう遠心紡糸部である
。The spinning nozzle 5 has a cup shape, and a cylindrical portion thereof has a number of nozzle holes formed in the radial direction, and a shaft 10 connected to the output shaft of a motor 9 is fixed at the center of the bottom back surface of the spinning nozzle 5. . The above is the centrifugal spinning section according to the present invention.
この遠心紡糸部を囲むようにしてカバー２０が設けられ
る。カバー２０の側壁には案内ダクト２１が一体に形成
され、カバー２０内と連通している。案内ダクト２１の
先端開口部に対向して、吸引装置２３の吸引ダクト２２
が配設される。A cover 20 is provided to surround this centrifugal spinning section. A guide duct 21 is integrally formed on the side wall of the cover 20 and communicates with the inside of the cover 20. The suction duct 22 of the suction device 23 is located opposite to the opening at the tip of the guide duct 21.
will be placed.
また、前記両ダク）２１．２２間には繊維を通過させな
い程度のメソシュをもつベルトコンベア２４が設置され
ている。Furthermore, a belt conveyor 24 having a mesh size that does not allow fibers to pass through is installed between the two ducts 21 and 22.
なお、２５はベルトコンベア２４に続く搬送部である。In addition, 25 is a conveyance part following the belt conveyor 24.
以上の構成を有する本実施例装置によると、中空シャフ
ト４の注入孔３から注入される溶融状態にあるカーボン
原料２は、回転する紡糸ノズル５による遠心力を受けて
多数のノズル孔から繊維状に噴出される。According to the apparatus of this embodiment having the above configuration, the carbon raw material 2 in a molten state injected from the injection hole 3 of the hollow shaft 4 is subjected to centrifugal force by the rotating spinning nozzle 5, and is passed through the numerous nozzle holes into fibers. is ejected.
この噴出されて固化した繊維１１は吸引装置２３の吸引
ダクト２２から案内ダクト２１を介して吸引されるが、
前記両ダクト２１．２２間にはメソシュ状のベルトコン
ベア２４が介在するため、繊維１１はベルトコンベア２
４を通過せず、該ベルトコンベア２４上に集積されるこ
とになる。The ejected and solidified fibers 11 are sucked from the suction duct 22 of the suction device 23 through the guide duct 21.
Since a mesoche-like belt conveyor 24 is interposed between the two ducts 21 and 22, the fibers 11 are transferred to the belt conveyor 2.
4 and is accumulated on the belt conveyor 24.
ここで、ベルトコンベア２４を適当な速度をもって駆動
させれば、所望厚みの板状の繊維群１が連続して得られ
ることになる。Here, if the belt conveyor 24 is driven at an appropriate speed, plate-shaped fiber groups 1 having a desired thickness can be continuously obtained.
第２図は繊維案内ダクト３１を遠心紡糸部を囲むカバー
３０の下部に設けた例であり、他の部分は上記実施例と
変るところがない。FIG. 2 shows an example in which a fiber guide duct 31 is provided at the lower part of a cover 30 surrounding the centrifugal spinning section, and other parts are the same as in the above embodiment.
また、同実施例の作用についても上記実施例の作用と殆
んど同じであるが、ただ本実施例にあっては、カバー３
０内の繊維１１が案内ダクトへ無理なく流れ、ベルトコ
ンベア２４上に集積される板状の繊維群１の密度及び厚
さを均整にし易い点で異なるに過ぎない。Further, the operation of this embodiment is almost the same as that of the above embodiment, however, in this embodiment, the cover 3
The only difference is that the fibers 11 in the fibers 1 flow smoothly into the guide duct and the density and thickness of the plate-shaped fiber group 1 accumulated on the belt conveyor 24 can be easily made uniform.
勿論、第１図に示した実施例に於いても、カバー２０及
び案内ダクト２１内をエアー及び繊維からなる流体が円
滑に流れるべく設計段階で考慮が払われることは当然で
ある。Of course, even in the embodiment shown in FIG. 1, consideration must be given at the design stage to ensure that the fluid made of air and fibers flows smoothly within the cover 20 and the guide duct 21.
（発明の効果）
、以上、詳細に説明した如く本発明によれば、装置を停
止させることなく連続的に繊維を取り出す事ができ、ま
た繊維の取出し形状が板状のため次の工程への搬送が自
動化でき、加えて従来の如き切開作業者等の繁雑さが解
消され、製造時間短縮及びコスト低減に大いに貢献する
ものである。(Effects of the Invention) As described in detail above, according to the present invention, fibers can be taken out continuously without stopping the device, and since the fibers are taken out in a plate-like shape, it is easy to proceed to the next process. The conveyance can be automated, and in addition, the complication of the conventional incision operators is eliminated, greatly contributing to shortening manufacturing time and reducing costs.
第１図は本発明の第１実施例を示す遠心紡糸によるカー
ボン繊維製造装置の側断面図、第２図は同第２の実施例
を示すのカーボン繊維製造装置の側断面図、第３図は従
来の遠心紡糸によるカーボン繊維製造装置の側断面図、
第４図（ａｌ山）は同装置により得られる繊維群の形状
図及び゛ その切開図である。
図の主要部分の説明
５−・紡糸ノズル
１１−繊維
２１−・−案内ダクト
２２−吸引ダクト
２３−・吸引装置
２４−ベルトコンベア
特 許 出 願 人三菱重工業株式会社同 菱明技
研株式会社
第３図FIG. 1 is a side sectional view of a carbon fiber manufacturing apparatus using centrifugal spinning showing a first embodiment of the present invention, FIG. 2 is a side sectional view of a carbon fiber manufacturing apparatus showing a second embodiment of the invention, and FIG. is a side sectional view of a conventional centrifugal spinning carbon fiber manufacturing device;
FIG. 4 (mountain al) is a diagram of the shape of a fiber group obtained by the same apparatus and a cutaway diagram thereof. Explanation of main parts of the diagram 5 - Spinning nozzle 11 - Fiber 21 - Guide duct 22 - Suction duct 23 - Suction device 24 - Belt conveyor Patent Applicant: Mitsubishi Heavy Industries, Ltd. Ryomei Giken Co., Ltd. No. 3 figure
Claims (1)
遠心紡糸部の側方又は下方に繊維案内ダクトを設けると
共に、該案内口に対向してメッシュ状のベルトコンベア
を介して吸引装置を配設することを特徴とする遠心紡糸
によるカーボン繊維の製造装置。In an apparatus for producing carbon fiber by centrifugal spinning,
An apparatus for producing carbon fibers by centrifugal spinning, characterized in that a fiber guide duct is provided on the side or below the centrifugal spinning section, and a suction device is provided opposite the guide port via a mesh-like belt conveyor. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61016559A JPS62177225A (en) | 1986-01-28 | 1986-01-28 | Production device for carbon fiber by centrifugal spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61016559A JPS62177225A (en) | 1986-01-28 | 1986-01-28 | Production device for carbon fiber by centrifugal spinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62177225A true JPS62177225A (en) | 1987-08-04 |
Family
ID=11919636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61016559A Pending JPS62177225A (en) | 1986-01-28 | 1986-01-28 | Production device for carbon fiber by centrifugal spinning |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62177225A (en) |
-
1986
- 1986-01-28 JP JP61016559A patent/JPS62177225A/en active Pending
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