JP2001293740A - Apparatus and method for molding composite material - Google Patents

Apparatus and method for molding composite material

Info

Publication number
JP2001293740A
JP2001293740A JP2000113359A JP2000113359A JP2001293740A JP 2001293740 A JP2001293740 A JP 2001293740A JP 2000113359 A JP2000113359 A JP 2000113359A JP 2000113359 A JP2000113359 A JP 2000113359A JP 2001293740 A JP2001293740 A JP 2001293740A
Authority
JP
Japan
Prior art keywords
resin
molding
mold
space
die
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.)
Withdrawn
Application number
JP2000113359A
Other languages
Japanese (ja)
Inventor
Tatsuya Itonaga
長 達 也 糸
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Subaru Corp
Original Assignee
Fuji Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Heavy Industries Ltd filed Critical Fuji Heavy Industries Ltd
Priority to JP2000113359A priority Critical patent/JP2001293740A/en
Publication of JP2001293740A publication Critical patent/JP2001293740A/en
Withdrawn legal-status Critical Current

Links

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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • 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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • B29C70/48—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs and impregnating the reinforcements in the closed mould, e.g. resin transfer moulding [RTM], e.g. by vacuum
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • B29C2043/3444—Feeding the material to the mould or the compression means using pressurising feeding means located in the mould, e.g. plungers or pistons
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/20—Opening, closing or clamping
    • 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
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

PROBLEM TO BE SOLVED: To mold a composite material product having stable quality using a mold made as lightweight as possible without requiring a large-scaled equipment or apparatus. SOLUTION: In a mold 4 wherein a molding space 15 is formed by upper and lower molds 3, 2 and at least two passages 9, 10 communicating with the outside from the molding space 15 are provided and at least one of the upper and lower molds 3, 2 has a wall deformed when the molding space is filled with a resin, fibers 25 not impregnated with the resin are laminated on one mold 2 of the mold 4 and the upper and lower molds 3, 2 are registered and fixed to hermetically close the molding space 15 excepting the passages 9, 10 and the resin is injected in the molding space 15 from the passage 9 to fill the molding space 15 and the deformed wall of the mold 4 is pressed by a pressing device 5.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、安定した品質の複
合材製品を成形する複合材の成形装置および成形方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite molding apparatus and method for molding a composite product of stable quality.

【０００２】[0002]

【従来の技術】一般に、ＲＴＭ成形方法（Resin Trans
fer Molding）は、樹脂未含浸繊維のプリフォームを成
形型の成型空間にセットし、液化した樹脂や液状樹脂を
成形型に設けた入口から成型空間にセットした樹脂未含
浸繊維のプリフォームに加圧注入し、樹脂をプリフォー
ムに含浸させた後、加熱等により樹脂を硬化させて製品
を成形する方法である。2. Description of the Related Art Generally, an RTM molding method (Resin Trans
fer Molding) sets the preform of resin-impregnated fiber in the molding space of the mold, and adds liquefied resin or liquid resin to the preform of resin-impregnated fiber set in the molding space from the entrance provided in the mold. This is a method in which a preform is impregnated with a resin by pressure injection, and the resin is cured by heating or the like to form a product.

【０００３】特開平４−３３２６２７号公報や特開平７
−１５６１５４号公報には、成形型を含浸圧力や硬化圧
力に抗すべく剛性を高くした上型と下型で構成し、強化
繊維織物（プリフォーム）を成形型にスペーサで挟んで
セットし、成形型に設けた入口から樹脂をセットしたプ
リフォームに加圧注入し、樹脂を硬化させて複合材製品
を成形する複合材の成形方法が記載されている。[0003] Japanese Patent Application Laid-Open No. 4-332627 and Japanese Patent Application Laid-Open
Japanese Patent Application Publication No. 156154 discloses that a mold is composed of an upper mold and a lower mold having increased rigidity to withstand impregnation pressure and curing pressure, and a reinforcing fiber woven fabric (preform) is set in a mold by sandwiching the mold with a spacer. A method for molding a composite material is described, in which a resin is set into a preform in which a resin is set under pressure from an inlet provided in a molding die, and the resin is cured to form a composite material product.

【０００４】特開平５−２３７８５３号公報には、強化
繊維を予め３次元形状成形したプリフォームを金型の型
空間に設置して密封し、プリフォームをセットした金型
を加圧缶内に収容し、加圧缶内の圧力を金型の型空間の
圧力より高くした状態で型空間に液状マトリックス材料
を圧送し、液状マトリックス材料をプリフォームに加圧
含浸させ、液状マトリックス材料を硬化して繊維強化樹
脂複合材製品を成形する複合材の成形方法が記載されて
いる。Japanese Patent Application Laid-Open No. Hei 5-237853 discloses that a preform in which reinforcing fibers are formed in a three-dimensional shape in advance is sealed in a mold space of a mold, and the mold on which the preform is set is placed in a pressure can. The liquid matrix material is pumped into the mold space in a state where the pressure in the pressure can is higher than the pressure in the mold space of the mold, and the liquid matrix material is impregnated into the preform under pressure, and the liquid matrix material is cured. A method of forming a composite material for forming a fiber-reinforced resin composite product by using the method is described.

【０００５】[0005]

【発明が解決しようとする課題】剛性を高くした上型と
下型で構成した成形型を用いた複合材の成形方法は、樹
脂の加圧含浸されるときの内圧に抗すべく成形型の肉厚
を厚くするため、成形型の重量が大きくなり、成形型の
熱容量が増加するので、その対策上熱風加熱では効果的
な加熱が困難になることから埋め込み型あるいは挿入型
の加熱ヒータが必要となり、一層コストアップになると
いう問題点がある。A method of molding a composite material using a molding die composed of an upper die and a lower die having increased rigidity is a method of forming a composite die in order to withstand the internal pressure during pressure impregnation of a resin. Since the thickness of the mold increases, the weight of the mold increases and the heat capacity of the mold increases, so it is difficult to effectively heat with hot air heating. Therefore, there is a problem that the cost is further increased.

【０００６】加圧缶内の圧力を金型の型空間の圧力より
高くした複合材の成形方法は、成形型の軽量化が可能と
なるが、加圧缶を必要とするなど装置（オートクレーブ
等）が大がかりなものとなってしまう。[0006] The method of molding a composite material in which the pressure in the pressurized can is higher than the pressure in the mold space of the mold can reduce the weight of the mold, but it requires an apparatus such as an autoclave. ) Becomes large-scale.

【０００７】本発明は上記した点に鑑みてなされたもの
で、大がかりな設備や装置を必要とせず、出来る限り軽
量化された成形型を用いて安定した品質の複合材製品を
成形する複合材の成形方法および成形装置を提供するこ
とを目的とする。The present invention has been made in view of the above points, and does not require large-scale facilities and equipment, and a composite material for forming a stable quality composite material using a molding die that is as light as possible. An object of the present invention is to provide a molding method and a molding apparatus.

【０００８】[0008]

【課題を解決するための手段】本発明の複合材の成形装
置は、協働して密閉空間を形成する上型および下型の少
なくとも一方が樹脂を充填したときに変形する壁を有す
る成形型と、密封空間と成形型の外部とを結ぶように成
形型に形成された少なくとも２本の通路と、成形型の変
形する壁を押圧する押圧装置とを備えて構成される。According to the present invention, there is provided an apparatus for molding a composite material, comprising: a molding die having a wall which deforms when at least one of an upper die and a lower die which cooperate to form a closed space is filled with resin. And at least two passages formed in the mold so as to connect the sealed space and the outside of the mold, and a pressing device for pressing a deformable wall of the mold.

【０００９】本発明の複合材の成形方法は、上型と下型
により形成される成形空間とこの成形空間から外部に連
通する少なくとも２本の通路を有し上型および下型の少
なくとも一方が樹脂を充填したときに変形する壁を有す
る成形型を提供する工程と、成形型の一方の型に樹脂未
含浸の繊維を積層する工程と、上型と下型とを合せて固
定し、通路を除いて成形空間を密閉する工程と、樹脂を
成形型通路から成形空間に注入し、上型および下型の少
なくとも一方の壁を成形空間を増加するように変形させ
ながら成形空間を樹脂で充填する工程と、成形空間を樹
脂で充填した成形型をの変形した壁を押圧装置で押圧す
る工程とから構成される。The method of molding a composite material according to the present invention comprises a molding space formed by an upper mold and a lower mold, and at least two passages communicating from the molding space to the outside, and at least one of the upper mold and the lower mold is provided. A step of providing a molding die having a wall that is deformed when filled with resin; a step of laminating resin-impregnated fibers on one of the molding dies; And filling the molding space with resin while injecting the resin into the molding space from the mold path and deforming at least one of the upper and lower mold walls to increase the molding space. And pressing the deformed wall of the mold in which the molding space is filled with resin with a pressing device.

【００１０】[0010]

【発明の実施の形態】以下本発明の実施の形態を図面を
参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.

【００１１】図１において符号１は本発明による複合材
の成形装置を示し、この成形装置１は、下型２と上型３
とを有する成形型４と、成形型４を押圧する押圧装置５
とを有する。成形型４には樹脂含浸装置６がパイプ７を
介して接続される。下型２の底壁および上型３の天井壁
の少なくとも一方は凹部に樹脂を充填したときに変形を
許容し従来の型より肉厚を厚くしている。また、この成
形型４は、複合材の平板を製造するものであり、天井壁
の外表面は平らに仕上げられている。In FIG. 1, reference numeral 1 denotes a composite material forming apparatus according to the present invention.
And a pressing device 5 for pressing the molding die 4
And A resin impregnating device 6 is connected to the mold 4 via a pipe 7. At least one of the bottom wall of the lower mold 2 and the ceiling wall of the upper mold 3 is allowed to deform when the concave portion is filled with resin, and is made thicker than the conventional mold. The molding die 4 is for producing a flat plate of a composite material, and the outer surface of the ceiling wall is finished flat.

【００１２】大板平板を製作するための成形型４におい
ては、下型の肉厚ｔ１および上型の肉厚ｔ２を従来のも
のより薄くすることで、成形型４の重量の軽減および加
熱硬化時に必要となる熱容量が小さくでき、これによ
り、成形型４における温度勾配の付加が容易となる。下
型２の肉厚ｔ１および上型３の肉厚ｔ２の減少は、樹脂
含浸時に成形型４に生じる歪で製品の不良を招くことが
あるので、底壁や天井壁は少なくとも適用含浸圧による
変形が製品に不良を生じさせない剛性を持つための板厚
は確保しておく。In the molding die 4 for producing a large flat plate, the thickness t1 of the lower die and the thickness t2 of the upper die are made thinner than those of the prior art, so that the weight of the molding die 4 is reduced and heat curing is performed. The heat capacity sometimes required can be reduced, thereby making it easier to add a temperature gradient in the mold 4. Since the reduction in the thickness t1 of the lower mold 2 and the thickness t2 of the upper mold 3 may cause a product failure due to distortion generated in the molding die 4 during resin impregnation, at least the bottom wall and the ceiling wall are affected by the applied impregnation pressure. The plate thickness must be secured so that the product has rigidity that does not cause the product to be deformed.

【００１３】上記下型２は、図２に示すように、上方開
口した凹部８を有する肉厚ｔ１の板状体で形成されてお
り、その側部２ａには凹部８から外部に連通する２本の
通路９，１０が形成されている。また、下型２の凹部８
を囲む周辺部には複数のねじ孔１１が形成されている。
下型２に形成された２本の通路９，１０は、対向した側
部２ａに形成されており、一方の通路９は樹脂入口とし
て作用し、他方の通路１０は樹脂出口として作用する。As shown in FIG. 2, the lower mold 2 is formed of a plate-like body having a thickness t1 having a concave portion 8 opened upward, and has a side portion 2a communicating with the outside from the concave portion 8. Book passages 9 and 10 are formed. Also, the concave portion 8 of the lower mold 2
A plurality of screw holes 11 are formed in a peripheral portion surrounding.
The two passages 9 and 10 formed in the lower mold 2 are formed on opposing sides 2a. One passage 9 functions as a resin inlet, and the other passage 10 functions as a resin outlet.

【００１４】上記上型３は、図２に示すように、下方に
開口する凹部１２を有する肉厚ｔ２の板状体で成形され
てあり、上型３の凹部１２を囲む周辺部には複数の孔１
３が形成されている。上型３に設けられた複数の孔１３
は下型２に設けられた複数のねじ孔１１に対応して位置
する。As shown in FIG. 2, the upper die 3 is formed of a plate-like body having a thickness t2 having a concave portion 12 opening downward, and a plurality of peripheral portions surrounding the concave portion 12 of the upper die 3 are provided. Hole 1
3 are formed. A plurality of holes 13 provided in the upper mold 3
Are located corresponding to the plurality of screw holes 11 provided in the lower mold 2.

【００１５】上記下型２と上型３は、凹部８と凹部１２
が対向するように接合され、図２に示すように、ねじ１
４を上型３の孔１３を通して下型２のねじ孔１１に螺合
することで一体的に結合される。下型２に形成された凹
部８と上型３に形成された凹部１２は、協働して密封空
間１５（図７）を形成する。The lower die 2 and the upper die 3 are provided with a concave portion 8 and a concave portion 12.
Are joined to face each other, and as shown in FIG.
4 is screwed into the screw hole 11 of the lower die 2 through the hole 13 of the upper die 3 to be integrally connected. The recess 8 formed in the lower mold 2 and the recess 12 formed in the upper mold 3 cooperate to form a sealed space 15 (FIG. 7).

【００１６】上記押圧装置５は、図１に示すように、押
圧板１６を備えた可動部１７と、押圧板１８を備えた固
定部１９とを有する。押圧板１６および押圧板１８には
カートリッジヒータ取付け孔または冷却管用孔２０が形
成されている。また、押圧板１８と可動部１７の間押圧
板１８と固定部１９の間には断熱材が取付けられてい
る。As shown in FIG. 1, the pressing device 5 has a movable portion 17 provided with a pressing plate 16 and a fixed portion 19 provided with a pressing plate 18. The pressing plate 16 and the pressing plate 18 have a cartridge heater mounting hole or a cooling pipe hole 20 formed therein. Further, a heat insulating material is attached between the pressing plate 18 and the fixed portion 19 between the pressing plate 18 and the movable portion 17.

【００１７】上記樹脂含浸装置６は、図３に示すよう
に、樹脂を収容するシリンダ部２１と、シリンダ部２１
内の樹脂を押圧するピストン部２２と、シリンダ部２１
の高さ位置ｈを調整する高さ調整機構２３とを有する。
シリンダ部２１には樹脂吐出口２４が形成され、この樹
脂吐出口２４は、パイプ７を介して成形型４の通路９に
接続される。As shown in FIG. 3, the resin impregnating device 6 includes a cylinder portion 21 for accommodating a resin, and a cylinder portion 21.
A piston portion 22 for pressing the resin inside, and a cylinder portion 21
And a height adjustment mechanism 23 that adjusts the height position h of the camera.
A resin discharge port 24 is formed in the cylinder portion 21, and the resin discharge port 24 is connected to the passage 9 of the molding die 4 via the pipe 7.

【００１８】図４に積層される複数枚の強化繊維織物
（プリフォーム）２５を示す。FIG. 4 shows a plurality of reinforcing fiber fabrics (preforms) 25 to be laminated.

【００１９】つぎに、複合材の成形方法を説明する。ま
ず、図４に示す複数枚の強化繊維織物２５を、図５に示
すように、成形型４の下型２に形成された凹部８に配置
し、強化繊維織物２５を配置した下型２の上に上型３を
配置し、ねじ１４を上型３の孔１３を通して下型２のね
じ孔１１に螺合することで下型２と上型３を一体的に結
合した成形型４を形成する。この場合、成形型４の通路
９，１０は図示しない弁装置により開放されている。Next, a method of forming a composite material will be described. First, as shown in FIG. 5, a plurality of reinforcing fiber fabrics 25 shown in FIG. 4 are arranged in the concave portions 8 formed in the lower mold 2 of the molding die 4, and the lower mold 2 in which the reinforcing fiber fabrics 25 are arranged. The upper mold 3 is disposed on the upper mold 3 and the screw 14 is screwed into the screw hole 11 of the lower mold 2 through the hole 13 of the upper mold 3 to form the mold 4 in which the lower mold 2 and the upper mold 3 are integrally joined. I do. In this case, the passages 9 and 10 of the mold 4 are opened by a valve device (not shown).

【００２０】つぎに、成形型４と樹脂含浸装置６を、図
１に示すように、押圧装置５の押圧板１８の上に配置
し、樹脂含浸装置６のシリンダ部２１に設けた樹脂吐出
口２４と成形型４の通路９をパイプ７で接続する。これ
により、成型準備段階が終了する。Next, as shown in FIG. 1, the molding die 4 and the resin impregnating device 6 are arranged on the pressing plate 18 of the pressing device 5, and the resin discharge port provided in the cylinder 21 of the resin impregnating device 6. 24 and the passage 9 of the mold 4 are connected by a pipe 7. Thus, the molding preparation stage ends.

【００２１】ついで、押圧装置５を作動させると、押圧
装置５の押圧板１６が図７で矢印Ａで示す方向に移動
し、樹脂含浸装置６のピストン部２２が矢印Ｂ方向に移
動する。ピストン部２２が矢印Ｂ方向に移動すると、ピ
ストン部２２に押圧されてシリンダ部２１に収容された
樹脂が、シリンダ部２１の樹脂吐出口２４からパイプ７
および通路９を通って成形型４の密封空間１５に加圧注
入され、密封空間１５にセットされた強化繊維織物２５
に含浸される。成形型４の下型２および上型３の少なく
とも一方には樹脂が凹部に充填されたときに変形する壁
が設けられているので、変形する壁は、加圧注入される
樹脂により成形空間１５を増加させる。成形空間１５の
増加したスペースは樹脂が流れやすいスペースとして作
用する。密封空間１５にセットされた強化繊維織物２５
に含浸される樹脂の含浸圧は、樹脂含浸装置６に組み込
まれた高さ調整機構２３により調整される。Next, when the pressing device 5 is operated, the pressing plate 16 of the pressing device 5 moves in the direction indicated by arrow A in FIG. 7, and the piston portion 22 of the resin impregnating device 6 moves in the direction of arrow B. When the piston portion 22 moves in the direction of the arrow B, the resin pressed by the piston portion 22 and accommodated in the cylinder portion 21 is discharged from the resin discharge port 24 of the cylinder portion 21 to the pipe 7.
The reinforcing fiber fabric 25 is pressurized and injected into the sealed space 15 of the molding die 4 through the passage 9 and is set in the sealed space 15.
Impregnated. At least one of the lower mold 2 and the upper mold 3 of the molding die 4 is provided with a wall that is deformed when the resin is filled in the concave portion. Increase. The increased space of the molding space 15 acts as a space where the resin easily flows. Reinforcing fiber fabric 25 set in sealed space 15
The impregnation pressure of the resin to be impregnated is adjusted by a height adjustment mechanism 23 incorporated in the resin impregnation device 6.

【００２２】すなわち、高さ調整機構２３のシリンダ部
２１の底面の高さ位置を、図８（ａ）に示すようにｈ１
とすると、シリンダ部２１の上面とピストン部２２との
間の距離はｈ２となる。高さ調整機構２３のシリンダ部
２１の底面の高さ位置を、図８（ｂ）に示すように、ｈ
１´（ｈ１´＞ｈ１）になるように調整すると、シリン
ダ部２１の上面とピストン部２２との間の距離はｈ２か
らｈ２´に縮められ、縮められた分（ｈ２−ｈ２´）だ
けピストン部２２がシリンダ部２１を押すことになり、
樹脂含浸装置６から吐出される樹脂圧が高くなり、樹脂
の含浸圧もそれに応じて高くなる。樹脂含浸装置６に高
さ調整機構２３を取付けることにより、従来含浸時に必
要となっていた加圧装置（例：窒素ボンベ）が不要とな
る。That is, the height position of the bottom surface of the cylinder portion 21 of the height adjustment mechanism 23 is set to h1 as shown in FIG.
Then, the distance between the upper surface of the cylinder 21 and the piston 22 is h2. As shown in FIG. 8B, the height position of the bottom surface of the cylinder portion 21 of the height adjustment mechanism 23 is set to h.
When adjusted so that 1 ′ (h1 ′> h1), the distance between the upper surface of the cylinder portion 21 and the piston portion 22 is reduced from h2 to h2 ′, and the distance between the piston portion and the piston is reduced by the reduced amount (h2−h2 ′). The part 22 pushes the cylinder part 21,
The resin pressure discharged from the resin impregnation device 6 increases, and the resin impregnation pressure increases accordingly. By attaching the height adjusting mechanism 23 to the resin impregnating device 6, a pressurizing device (eg, a nitrogen cylinder) that has been required during the conventional impregnation becomes unnecessary.

【００２３】成形型４の密封空間１５に注入される樹脂
量が所定量に達すると、密封空間１５に導かれる樹脂
が、図９に示すように、成形型４の通路１０を通って外
部に押し出される。これにより、樹脂が密封空間１５に
充填されたことが分かる。When the amount of resin injected into the sealed space 15 of the molding die 4 reaches a predetermined amount, the resin guided to the sealed space 15 passes through the passage 10 of the molding die 4 to the outside as shown in FIG. Extruded. This indicates that the resin has been filled in the sealed space 15.

【００２４】さらに、続けて、押圧装置５を作動させ、
成形型４の密封空間１５に注入された樹脂の余剰量を通
路１０を介して排出させる。密封空間１５から余剰量の
樹脂が排出されたら、通路９，１０に連なる弁装置をそ
れぞれ閉じる。Subsequently, the pressing device 5 is operated,
The surplus amount of resin injected into the sealed space 15 of the mold 4 is discharged through the passage 10. When an excess amount of resin is discharged from the sealed space 15, the valve devices connected to the passages 9 and 10 are closed.

【００２５】ついで、押圧装置５により成形型４を押圧
し、成形型４にセットされた強化繊維織物２５に含浸さ
れた樹脂を加熱硬化させる。これにより、複合材製品が
成形される。Then, the molding die 4 is pressed by the pressing device 5, and the resin impregnated in the reinforcing fiber fabric 25 set in the molding die 4 is heated and cured. Thereby, a composite material product is formed.

【００２６】図１０は本発明の複合材の成形装置の成形
型４を実施例を示し、この成形型４は、大きさが６５０
ｍｍ×６５０ｍｍ、上型３の天井壁３ａと下型２の底壁
の厚さが２０ｍｍ（従来５０ｍｍ）、側壁の厚さが６０
ｍｍである。上記成形型４は、下型２の底壁および上型
３の天井壁３ａの両方が成型空間１５に樹脂を充填した
ときに変形する程度の剛性を有する壁で構成されてい
る。FIG. 10 shows an embodiment of a molding die 4 of the composite molding apparatus of the present invention. The molding die 4 has a size of 650.
mm × 650 mm, the thickness of the ceiling wall 3 a of the upper mold 3 and the bottom wall of the lower mold 2 is 20 mm (conventional 50 mm), and the thickness of the side wall is 60
mm. The molding die 4 is formed of a wall having such rigidity that both the bottom wall of the lower die 2 and the ceiling wall 3a of the upper die 3 are deformed when the molding space 15 is filled with resin.

【００２７】上記成形型４において、成型空間１５に注
入される樹脂の含浸圧が０．３〜０．６Ｍｐａである
と、上型３の天井壁３ａの頂点と下型２の底壁の頂点と
の増加分は０．１〜０．３ｍｍとなった。成形型４の壁
の変形による成形空間１５の増加スペースは樹脂が流れ
るスペースとして作用するので、強化繊維織物への樹脂
含浸時間が短縮できる。In the molding die 4, when the impregnation pressure of the resin injected into the molding space 15 is 0.3 to 0.6 MPa, the apex of the ceiling wall 3 a of the upper mold 3 and the apex of the bottom wall of the lower mold 2 are set. Increased from 0.1 to 0.3 mm. Since the increased space of the molding space 15 due to the deformation of the wall of the molding die 4 acts as a space through which the resin flows, the time of impregnation of the reinforcing fiber fabric with the resin can be reduced.

【００２８】いままでの説明では、成形型内への樹脂の
注入に成形型を押圧する押圧装置を用いたが、押圧装置
を用いない独立した加圧装置を用いることができる。こ
の場合、独立した加圧装置で樹脂を成形型内に注入した
後、成形型の変形した面を押圧装置で押圧する。In the description so far, the pressing device for pressing the molding die is used for injecting the resin into the molding die. However, an independent pressing device without using the pressing device can be used. In this case, after the resin is injected into the mold by an independent pressurizing device, the deformed surface of the mold is pressed by a pressing device.

【００２９】[0029]

【発明の効果】以上述べたように本発明によれば、協働
して密閉空間を形成する上型と下型と有し上型および下
型の少なくとも一方が樹脂を充填したときに変形する壁
を有する成形型を設けたことで、変形する壁により形成
される密閉空間増加分を樹脂が流れやすいスペースとし
て利用することで密閉空間にセットされた強化繊維織物
への樹脂含浸に要する時間を短縮でき、大がかりな設備
や装置を必要とせず、出来る限り軽量化された成形型を
用いて安定した品質の複合材製品を成形することができ
る。As described above, according to the present invention, the upper die and the lower die which cooperate to form a closed space have a deformation when at least one of the upper die and the lower die is filled with resin. By providing a mold having walls, the increased amount of the sealed space formed by the deformable wall is used as a space where the resin easily flows, so that the time required for resin impregnation into the reinforcing fiber fabric set in the sealed space is reduced. It is possible to mold a composite material product of stable quality using a molding tool that can be shortened, does not require large-scale equipment and equipment, and is as light as possible.

【００３０】また、変形面を中央部から押し始めて端ま
で押圧することにより、より確実にゆがみのない平らな
面を持つ複合材製品を得ることができる。Further, by starting to push the deformed surface from the center to the end, it is possible to more reliably obtain a composite product having a flat surface without distortion.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明による複合材の成形装置の概略図。FIG. 1 is a schematic view of an apparatus for forming a composite material according to the present invention.

【図２】本発明による複合材の成形装置の成形型の分解
斜視図。FIG. 2 is an exploded perspective view of a molding die of the composite molding apparatus according to the present invention.

【図３】本発明による複合材の成形装置に組み込まれる
樹脂含浸装置を示す図。FIG. 3 is a view showing a resin impregnating device incorporated in the composite material forming device according to the present invention.

【図４】図２に示す成形型に積層される強化繊維織物を
示す図。FIG. 4 is a view showing a reinforcing fiber woven fabric laminated on the mold shown in FIG. 2;

【図５】成形型の下型に強化繊維織物をセットした状態
を示す図。FIG. 5 is a view showing a state in which a reinforcing fiber fabric is set in a lower mold of a molding die.

【図６】図５のＡ−Ａに沿った断面図。FIG. 6 is a sectional view taken along the line AA of FIG. 5;

【図７】樹脂含浸装置および成形型の第１押圧段階を示
す図。FIG. 7 is a view showing a first pressing stage of the resin impregnating device and the mold.

【図８】図７に示す樹脂含浸装置の樹脂含浸圧の調整手
段を示す図。FIG. 8 is a view showing a means for adjusting a resin impregnation pressure of the resin impregnation apparatus shown in FIG.

【図９】成形型の第２押圧段階を示す図。FIG. 9 is a view showing a second pressing stage of the molding die.

【図１０】成形型の樹脂含浸圧による変形を示す図。FIG. 10 is a diagram showing deformation of a mold due to a resin impregnation pressure.

【符号の説明】[Explanation of symbols]

１ 成形装置 ２ 下型 ３ 上型 ４ 成形型 ５ 押圧装置 ６ 樹脂含浸装置 ８ 凹部 ９ 通路 １０ 通路 １２ 凹部 １５ 密封空間 １６ 押圧板 １８ 押圧板 ２１ シリンダ部 ２２ ピストン部 Reference Signs List 1 molding device 2 lower die 3 upper die 4 molding die 5 pressing device 6 resin impregnating device 8 concave portion 9 passage 10 passage 12 concave portion 15 sealed space 16 pressing plate 18 pressing plate 21 cylinder portion 22 piston portion

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】協働して密閉空間を形成する上型および下
型の少なくとも一方が樹脂を充填したときに変形する壁
を有する成形型と、密封空間と成形型の外部とを結ぶよ
うに成形型に形成された少なくとも２本の通路と、成形
型の変形する壁を押圧する押圧装置とを備えたことを特
徴とする複合材の成形装置。1. A molding die having a wall which deforms when at least one of an upper die and a lower die which cooperate to form a sealed space is filled with a resin, and connects the sealed space to the outside of the molding die. An apparatus for molding a composite material, comprising: at least two passages formed in a molding die; and a pressing device for pressing a deformable wall of the molding die. 【請求項２】変形する壁は、外表面が平らで、密閉空間
に積層される繊維の積層方向に設けられ、押圧装置は、
変形する壁の外表面を覆う広さの平らな面を持つ押圧部
を備えていることを特徴とする請求項１に記載の複合材
の成形装置。2. The deformable wall has a flat outer surface and is provided in the laminating direction of the fibers laminated in the closed space.
The composite molding apparatus according to claim 1, further comprising a pressing portion having a flat surface that is large enough to cover an outer surface of the deformable wall. 【請求項３】押圧装置の押圧により作動する樹脂含浸装
置を成形型に接続したことを特徴とする請求項１又は２
に記載の複合材の成形装置。3. A resin impregnating device which is operated by pressing of a pressing device is connected to a molding die.
3. The composite molding apparatus according to claim 1. 【請求項４】上型と下型とにより形成される成形空間と
この成形空間から外部に連通する少なくとも２本の通路
を有しかつ上型および下型の少なくとも一方が樹脂を充
填したときに変形する壁を有する成形型を提供する工程
と、成形型の一方の型に樹脂未含浸の繊維を積層する工
程と、上型と下型とを合せて固定し、通路を除いて成形
空間を密閉する工程と、樹脂を通路から成形空間に注入
し、上型および下型の少なくとも一方の壁を成形空間を
増加するように変形させながら成形空間を樹脂で充填す
る工程と、成形空間を樹脂で充填した成形型の変形した
壁を押圧装置で押圧する工程とを備えたことを特徴とす
る複合材の成形方法。4. A molding space formed by an upper mold and a lower mold, and at least two passages communicating from the molding space to the outside, and when at least one of the upper mold and the lower mold is filled with resin. A step of providing a molding die having a deformable wall, a step of laminating resin-impregnated fibers in one of the molding dies, and fixing the upper and lower dies together, excluding the passage to form a molding space. Sealing, filling the molding space with resin while injecting the resin into the molding space from the passage and deforming at least one of the upper and lower mold walls so as to increase the molding space, and filling the molding space with resin. And pressing the deformed wall of the mold filled with the above with a pressing device. 【請求項５】成形空間を樹脂で充填する工程において、
押圧装置と協働して作動する樹脂含浸装置を用いたこと
を特徴とする請求項４に記載の複合材の成形方法。5. The step of filling a molding space with a resin,
The method for molding a composite material according to claim 4, wherein a resin impregnating device that operates in cooperation with the pressing device is used.
JP2000113359A 2000-04-14 2000-04-14 Apparatus and method for molding composite material Withdrawn JP2001293740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000113359A JP2001293740A (en) 2000-04-14 2000-04-14 Apparatus and method for molding composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000113359A JP2001293740A (en) 2000-04-14 2000-04-14 Apparatus and method for molding composite material

Publications (1)

Publication Number Publication Date
JP2001293740A true JP2001293740A (en) 2001-10-23

Family

ID=18625338

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000113359A Withdrawn JP2001293740A (en) 2000-04-14 2000-04-14 Apparatus and method for molding composite material

Country Status (1)

Country Link
JP (1) JP2001293740A (en)

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