JPS62775B2 - - Google Patents
Info
- Publication number
- JPS62775B2 JPS62775B2 JP56048986A JP4898681A JPS62775B2 JP S62775 B2 JPS62775 B2 JP S62775B2 JP 56048986 A JP56048986 A JP 56048986A JP 4898681 A JP4898681 A JP 4898681A JP S62775 B2 JPS62775 B2 JP S62775B2
- Authority
- JP
- Japan
- Prior art keywords
- laminate
- thermoplastic resin
- mandrel
- mold
- resin sheet
- 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.)
- Expired
Links
- 239000004744 fabric Substances 0.000 claims description 11
- 229920005992 thermoplastic resin Polymers 0.000 claims description 11
- 239000012783 reinforcing fiber Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000009415 formwork Methods 0.000 description 4
- 238000009787 hand lay-up Methods 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
- 238000009730 filament winding Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- 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
- B29C70/32—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 on a rotating mould, former or core
- B29C70/323—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 on a rotating mould, former or core on the inner surface of a rotating mould
- B29C70/326—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 on a rotating mould, former or core on the inner surface of a rotating mould by rotating the mould around its axis of symmetry
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Moulding By Coating Moulds (AREA)
Description
【発明の詳細な説明】
本発明は、遠心成形法を使用した複合材料管の
成形法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for forming composite tubes using centrifugal forming.
強化繊維布と樹脂とを材料として遠心成形法に
より複合材料の製品を成形するものとして、従来
では、たとえば特開昭53−33271号公報のような
方法が提供されている。この従来方法によると、
先ず強化材を樹脂液中に通して、強化材に樹脂を
含浸させることで半硬化状態のフイラメント・ワ
インデイング材を得、これをマンドレルに巻き付
けている。次いで型枠の中にワインデイング材を
マンドレルごと入れたのち、型枠内に位置させた
端板をばね力で互いに近ずくように接近させ、そ
のときの圧力で型枠内周に形成した歯形創成面に
ワインデイング材を押し込んでいる。そして型枠
を回転させ、遠心力を付加して歯車の原形を成形
している。この歯車は型枠とともに電気炉に入れ
られて硬化され、その後、型枠から取り出され
る。 Conventionally, a method such as that disclosed in Japanese Unexamined Patent Publication No. 53-33271 has been proposed for molding composite material products using reinforcing fiber cloth and resin by centrifugal molding. According to this conventional method,
First, the reinforcing material is passed through a resin liquid to impregnate the reinforcing material with resin to obtain a semi-cured filament winding material, which is then wound around a mandrel. Next, after putting the winding material together with the mandrel into the formwork, the end plates placed in the formwork are brought closer to each other by spring force, and the tooth profile formed on the inner periphery of the formwork is created by the pressure at that time. Winding material is pushed into the creation surface. The mold is then rotated and centrifugal force is applied to form the original shape of the gear. This gear is placed in an electric furnace together with the mold and hardened, and then removed from the mold.
上記のような従来方法によると、強化繊維布に
含浸させた樹脂が流出することになり、これを防
止するためにサーフエースマツト層を形成してい
るが充分ではない。またマツト層の積層、ならび
に型枠に入れる際のマツト層の除去などに手間が
かかり、能率的な成形は行なえない。さらに型枠
を電気炉に運び込む作業も能率化の妨げとなる。 According to the conventional method as described above, the resin impregnated into the reinforcing fiber cloth flows out, and although a surf ace mat layer is formed to prevent this, it is not sufficient. Further, it takes time and effort to stack the mat layers and remove the mat layers when placing the mold in the mold, making it impossible to perform efficient molding. Furthermore, the work of transporting the formwork to the electric furnace also hinders efficiency.
樹脂の流出を防止するために、たとえば特開昭
51−1576号公報に見られるように、金型の内壁面
に、強化材によつて強化された反応性樹脂層を形
成し、そして熱可塑性樹脂を投入する方法が提供
されている。この場合には、反応性樹脂層はハン
ドレイアツプにより予め成形しておくことから、
この成形に大なる労力と時間が費されることにな
る。また反応熱によつて樹脂硬化を行なうことか
ら、電気炉などの硬化手段、ならびに取扱い作業
を不要にできるが、その反面、高価な反応材を多
量に必要とし、さらには樹脂投入のためのプラグ
が必要であることから、製品のプラグの抜出孔が
残ることになる。 In order to prevent the resin from flowing out, for example,
As seen in Japanese Patent No. 51-1576, a method is provided in which a reactive resin layer reinforced with a reinforcing material is formed on the inner wall surface of a mold, and then a thermoplastic resin is charged. In this case, since the reactive resin layer is preformed by hand lay-up,
This molding requires a great deal of effort and time. Furthermore, since the resin is cured using reaction heat, curing means such as an electric furnace and handling work can be eliminated, but on the other hand, it requires a large amount of expensive reaction materials, and furthermore, a plug for introducing the resin is required. Since this is necessary, a hole for removing the product plug remains.
本発明は、上記の種々な問題点を解決した複合
材料管の成形法を提供する点にある。 An object of the present invention is to provide a method for forming a composite material pipe that solves the various problems mentioned above.
上記問題点を解決すべく本発明における複合材
料管の成形法は、強化繊維布と熱可塑性樹脂シー
トとの積層体を該熱可塑性樹脂シートが外側にな
るように心金に巻回し、この心金を積層体ととも
に筒型内に挿入し、そして心金と筒型とを互いに
逆回転して、前記積層体を心金から巻戻しながら
前記強化繊維布が外側になるように筒型内周面に
巻移し、次いで筒型の外側に配設した加熱装置の
作動により、この筒型を介して積層体を加熱して
熱可塑性樹脂シートを溶解しながら遠心成形した
のち冷却している。 In order to solve the above problems, the method of forming a composite material pipe according to the present invention involves winding a laminate of a reinforcing fiber cloth and a thermoplastic resin sheet around a core with the thermoplastic resin sheet facing outside. The gold is inserted into the cylindrical mold together with the laminate, and the mandrel and the cylindrical mold are rotated in opposite directions, and while the laminate is unwound from the mandrel, the inner periphery of the cylindrical mold is rolled so that the reinforcing fiber cloth is on the outside. The laminate is rolled onto a surface, and then a heating device disposed on the outside of the cylindrical mold is activated to heat the laminate through the cylindrical mold to melt the thermoplastic resin sheet while performing centrifugal molding, followed by cooling.
かかる本発明方法によると、積層体は、樹脂流
出のないものであることから保護層を必要とせ
ず、かつ積層であることからハンドレイアツプに
比べて簡単に得られる。そして遠心成形を利用し
た巻き移し（材料供給）であることから筒型は何
んら投入用部品を必要とせず、さらに筒型をその
ままの位置として、かつ高価な反応材などを使用
することなく加熱し得る。 According to the method of the present invention, the laminate does not require a protective layer because there is no resin outflow, and since it is a laminate, it can be obtained more easily than by hand lay-up. Since the rolling (material supply) method uses centrifugal molding, the cylindrical shape does not require any input parts, and the cylindrical shape can be left in its original position without using expensive reaction materials. Can be heated.
以下に本発明の一実施例を図面に基づいて説明
する。 An embodiment of the present invention will be described below based on the drawings.
第１図において１は強化繊維布、２は熱可塑性
樹脂シートで、これら１，２はテンシヨンローラ
３を介して積層体４に形成され、そして心金５に
巻回される。その際に巻回は、熱可塑性樹脂シー
ト２が外側で強化繊維布１が内側になるように、
かつ所定の長さで行なわれる。このように巻回さ
れた心金５と積層体４は、第２図に示すように筒
型６内に挿入される。この筒型６は複数の輪体７
に支持されて横軸芯の周りに回転可能であり、そ
してその外側には加熱装置８が配設されている。
次いで第２図仮想線に示すように、心金５を積層
体巻取り方向Ａに回転させると共に、筒型６を逆
方向Ｂに回転させる。すると積層体４はその先端
から巻戻され、そして前記強化繊維布１が筒型６
の内周面に接する状態で該筒型６側に巻移され、
第３図で示す状態になる。この後に加熱装置８に
作動させ、筒型６を介して積層体４を加熱させ
る。すると熱可塑性樹脂シート２が溶解されて液
化され、このとき遠心力が作用していることから
液化樹脂は強化繊維布１に含浸され、同時に脱泡
されて第４図の状態になる。その後に冷却して筒
型６から抜出することにより複合材料管９が得ら
れらる。 In FIG. 1, 1 is a reinforcing fiber cloth and 2 is a thermoplastic resin sheet. These 1 and 2 are formed into a laminate 4 via a tension roller 3, and then wound around a mandrel 5. At that time, the winding is done so that the thermoplastic resin sheet 2 is on the outside and the reinforcing fiber cloth 1 is on the inside.
and is performed for a predetermined length. The mandrel 5 and the laminate 4 wound in this manner are inserted into the cylindrical mold 6 as shown in FIG. This cylindrical shape 6 has a plurality of rings 7
It is supported by and is rotatable around a horizontal axis, and a heating device 8 is disposed on the outside thereof.
Next, as shown by the imaginary line in FIG. 2, the mandrel 5 is rotated in the laminate winding direction A, and the cylindrical mold 6 is rotated in the opposite direction B. Then, the laminate 4 is unwound from its tip, and the reinforcing fiber cloth 1 is formed into a cylindrical shape 6.
is transferred to the cylindrical mold 6 side while being in contact with the inner circumferential surface of the
The state shown in FIG. 3 is reached. Thereafter, the heating device 8 is activated to heat the stacked body 4 through the cylindrical mold 6. Then, the thermoplastic resin sheet 2 is melted and liquefied, and since the centrifugal force is acting at this time, the liquefied resin is impregnated into the reinforcing fiber cloth 1, and at the same time it is defoamed, resulting in the state shown in FIG. Thereafter, the composite material tube 9 is obtained by cooling and extracting it from the cylindrical mold 6.
以上述べたように本発明によると、積層体は、
樹脂流出のないものであることから保護層を必要
とせず、かつ積層であることからハンドレイアツ
プに比べて簡単に得ることができる。そして遠心
成形を利用した巻き移し（材料供給）であること
から筒型は何んら投入用部品を必要とせず、さら
に筒型をそのままの位置として、かつ高価な反応
材などを使用することなく加熱することができ
る。その後に冷却することにより複合材料管を得
ることができ、複合材料管を能率的に成形するこ
とができる。 As described above, according to the present invention, the laminate is
Since there is no resin leakage, there is no need for a protective layer, and since it is laminated, it can be obtained more easily than hand lay-up. And since the transfer (material supply) uses centrifugal molding, the cylindrical shape does not require any input parts, and the cylindrical shape can be left in the same position without using expensive reaction materials. Can be heated. By cooling thereafter, a composite material tube can be obtained, and the composite material tube can be efficiently molded.
図面は本発明の一実施例を示し、第１図は積層
時の概略側面図、第２図〜第４図は成形時の縦断
面図である。
１……強化繊維布、２……熱可塑性樹脂シー
ト、３……テンシヨンローラ、４……積層体、５
……心金、６……筒型、７……軸体、８……加熱
装置、９……複合材料管。
The drawings show an embodiment of the present invention, in which FIG. 1 is a schematic side view when laminated, and FIGS. 2 to 4 are longitudinal cross-sectional views during molding. DESCRIPTION OF SYMBOLS 1... Reinforced fiber cloth, 2... Thermoplastic resin sheet, 3... Tension roller, 4... Laminate, 5
... Core metal, 6 ... Cylindrical shape, 7 ... Shaft body, 8 ... Heating device, 9 ... Composite material pipe.
Claims (1)
を該熱可塑性樹脂シートが外側になるように心金
に巻回し、この心金を積層体とともに筒型内に挿
入し、そして心金と筒型とを互いに逆回転して、
前記積層体を心金から巻戻しながら前記強化繊維
布が外側になるように筒型内周面に巻移し、次い
で筒型の外側に配設した加熱装置の作動により、
この筒型を介して積層体を加熱して熱可塑性樹脂
シートを溶解しながら、遠心成形したのち冷却さ
せることを特徴とする複合材料管の成形法。1. Wrap a laminate of reinforcing fiber cloth and a thermoplastic resin sheet around a mandrel with the thermoplastic resin sheet facing outward, insert this mandrel together with the laminate into a cylindrical mold, and then Rotate the mold in opposite directions,
While unwinding the laminate from the mandrel, the reinforcing fiber cloth is transferred to the inner circumferential surface of the cylinder so that it is on the outside, and then by operating a heating device disposed outside the cylinder,
A method for forming a composite material tube, which is characterized by centrifugally forming the laminate while melting the thermoplastic resin sheet by heating the laminate through the cylindrical mold, followed by cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048986A JPS57163529A (en) | 1981-03-31 | 1981-03-31 | Method for molding composite material pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56048986A JPS57163529A (en) | 1981-03-31 | 1981-03-31 | Method for molding composite material pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57163529A JPS57163529A (en) | 1982-10-07 |
| JPS62775B2 true JPS62775B2 (en) | 1987-01-09 |
Family
ID=12818553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56048986A Granted JPS57163529A (en) | 1981-03-31 | 1981-03-31 | Method for molding composite material pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57163529A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214428A (en) * | 1987-05-11 | 1989-08-28 | Wako Kk | Molding material |
| CN106863843B (en) * | 2017-04-16 | 2018-04-17 | 襄阳九鼎昊天环保设备有限公司 | A kind of anode tube automatic wrapping machine and its application method |
-
1981
- 1981-03-31 JP JP56048986A patent/JPS57163529A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57163529A (en) | 1982-10-07 |
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