JPH045024A - Joining of composite material and joining jig - Google Patents
Joining of composite material and joining jigInfo
- Publication number
- JPH045024A JPH045024A JP10698290A JP10698290A JPH045024A JP H045024 A JPH045024 A JP H045024A JP 10698290 A JP10698290 A JP 10698290A JP 10698290 A JP10698290 A JP 10698290A JP H045024 A JPH045024 A JP H045024A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- joining
- resin filler
- main body
- composite
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 40
- 238000005304 joining Methods 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 62
- 229920005989 resin Polymers 0.000 claims abstract description 52
- 239000011347 resin Substances 0.000 claims abstract description 52
- 239000000945 filler Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 abstract description 14
- 239000003822 epoxy resin Substances 0.000 abstract description 5
- 229920000647 polyepoxide Polymers 0.000 abstract description 5
- 239000011162 core material Substances 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000012783 reinforcing fiber Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- DFPAKSUCGFBDDF-UHFFFAOYSA-N Nicotinamide Chemical group NC(=O)C1=CC=CN=C1 DFPAKSUCGFBDDF-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は、複合材の桁材と複合材の平板との接合部にお
ける外皮の屈曲を防ぐようにした複合材の接合方法およ
び接合治具に関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a composite material joining method that prevents bending of the outer skin at the joint portion between a composite material girder and a composite material flat plate. The present invention relates to a method and a joining jig.
（従来の技術）
たとえば、航空機産業や宇宙産業に使用されるハニカム
コアを有する繊維強化樹脂積層部品を成形する場合には
、第６図に示すように、折り曲げ部を有する桁材３０と
複合材の平板（外皮）３１との接合部３２に、外皮の屈
曲が生じることがある。(Prior art) For example, when molding a fiber-reinforced resin laminate component having a honeycomb core used in the aircraft industry or the space industry, as shown in FIG. The outer skin may be bent at the joint 32 with the flat plate (outer skin) 31 of the outer skin.
この接合部の外皮の屈曲を防ぐための手段として、たと
えば特開平１−１６４０４６号公報の複合材料製品の成
形方法が知られている。As a means for preventing the outer skin of the joint from bending, a method for forming a composite material product is known, for example, as disclosed in JP-A-1-164046.
上記特開平１−１６４０４６号公報の複合材料製品の成
形方法は、樹脂を予め含浸させた織物や一方向材（プリ
プレグ材）の構成部材間に、予め硬化したプリキュアシ
ートを介在させ、このブリキュアシートの接合面に接着
剤を塗布し、全体を加熱および加圧処理することで一体
に硬化させ、構成部品中の強化繊維の局部的な曲りや板
厚の不均一を防ぐようにするものである。The method of molding a composite material product disclosed in the above-mentioned Japanese Patent Application Laid-open No. 1-164046 involves interposing a pre-cured precure sheet between constituent members of a fabric or unidirectional material (prepreg material) impregnated with a resin. Adhesive is applied to the joint surfaces of the parts, and the entire part is cured by heating and pressure to prevent local bending of the reinforcing fibers in the component parts and uneven board thickness. .
また特開昭５７−１８４９９号公報の複合材を用いたハ
ニカムサンドイッチ構造の製造法には、予め硬化した薄
板外板の空力表面側の面に、未硬化のプリプレグ材から
なる外板を、フィルム状接着剤を介して接着するととも
に、薄板外板の空力表面側と反対側の面に、／％ニカム
コアを、フィルム状接着剤を介して接着し、表面平滑度
の高い１１ニカムサンドイツチ構造を形成するようにす
る技術手段が記載されている。Furthermore, in the manufacturing method of a honeycomb sandwich structure using a composite material disclosed in Japanese Patent Application Laid-Open No. 57-18499, an outer panel made of an uncured prepreg material is placed on the aerodynamic surface side of a pre-cured thin outer panel with a film. At the same time, /%Nicam core is bonded via a film adhesive to the surface opposite to the aerodynamic surface side of the thin outer plate to create a 11Nicam sandwich structure with high surface smoothness. Technological means are described which allow the formation of .
（発明が解決しようとする課題）
プリプレグ材の構成部材間にプリキュアシートを介在さ
せて、構成部品中の強化繊維の局部的曲がりや板厚の不
均一を防ぐ技術手段では、プリキュアシートあるいは薄
板外板を成形硬化するための治具の装備、外形切断作業
、接着剤を塗布する前の表面処理作業を必要とし、製造
コストが高くなり、かつ硬化炉（オートクレーブ）の負
荷および装備治具の増加に伴う成形室の負荷増大は、成
形品の量産に対する制限となる。(Problems to be Solved by the Invention) Technical means to prevent local bending of reinforcing fibers in component parts and non-uniformity of plate thickness by interposing a precure sheet between component members of prepreg materials is to It is necessary to equip a jig to mold and harden the plate, cut the outline, and perform surface treatment before applying adhesive, which increases manufacturing costs, and increases the load on the curing furnace (autoclave) and the number of jigs. This increases the load on the molding chamber, which limits the mass production of molded products.
また予め硬化した薄板外板に、未硬化のプリプレグ材か
らなる外板およびハニカムコアをフィルム状接着剤を介
して接着して、表面平滑度の高いハニカムサンドイッチ
構造を形成する技術手段では、コア側に位置する外板を
薄板外板として使用するため、その外板は構造物全体を
覆う寸法を形成しなければならず、構造の軽量化等のた
めに研究開発される積層材に対しては、積層構造に制限
を加えることになる。In addition, in the technical means of forming a honeycomb sandwich structure with high surface smoothness by bonding an outer panel made of uncured prepreg material and a honeycomb core to a pre-cured thin outer panel with a film adhesive, the core side In order to use the outer panel located at , which imposes restrictions on the laminated structure.
本発明は上記した点に鑑みてなされたもので、フィラを
樹脂材料で正寸に成形し、複合材の桁材と複合材の平板
との接合部における外皮の屈曲を防ぐようにする複合材
の接合方法および接合治具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 is a composite material in which a filler is molded to exact size from a resin material to prevent bending of the outer skin at the joint between a composite beam and a composite flat plate. The purpose of the present invention is to provide a joining method and a joining jig.
（課題を解決するための手段）
本発明の複合材の接合方法は、複合材の桁材の折り曲げ
部に、この折り曲げ部とこの折り曲げ部に接合される複
合材の平板との間に形成される隙間に対応した形状の樹
脂フィラを設け、この樹脂フィラを硬化処理し、樹脂フ
ィラを設けた桁材を、桁材および樹脂フィラが接するよ
うに平板に配置し、桁材と平板を接合することて構成さ
れる。(Means for Solving the Problems) The composite material joining method of the present invention provides a composite material joining method in which a composite member is formed at a bent portion of a composite beam member between this bent portion and a composite material flat plate joined to this bent portion. A resin filler with a shape corresponding to the gap is provided, this resin filler is hardened, the girder material provided with the resin filler is placed on a flat plate so that the girder material and the resin filler are in contact, and the girder material and the flat plate are joined. It is composed of things.
本発明の接合治具は、−面を複合材の桁材に対する接合
面とした接合治具本体と、この接合治具本体の接合面の
上端面を複合材の桁材の１端面に合わせた時の桁材の折
り曲げ部の始まる部ん′二形成した溝と、この溝に嵌入
されかつ桁材の面に弾接して桁材と接合治具本体により
区画された樹脂充填空間を形成する弾性体とを有して構
成される。The joining jig of the present invention has a joining jig main body whose negative side is the joint surface to the composite material girder material, and the upper end surface of the joint surface of this joining jig main body is aligned with one end surface of the composite material girder material. The groove formed at the beginning of the bending part of the girder material and the elasticity that fits into this groove and comes into elastic contact with the surface of the girder material to form a resin-filled space defined by the girder material and the joining jig body. It consists of a body.
（作 用）
本発明の複合材の接合方法においては、複合材の桁材の
折り曲げ部に設けた樹脂フィラの形状を、接合しようと
する折り曲げ部と平板の間に形成される空間に対応した
形状とし、正寸で成形することで、仕上げ加工を要さな
いので桁材の強化繊維を切断してしまうことがなく、か
つプリプレグ材を使用する方法に比べて作業性かよくな
り、また樹脂フィラが正寸で成形されるため、その分工
程が削減される。(Function) In the composite material joining method of the present invention, the shape of the resin filler provided at the bent portion of the composite beam member is adjusted to correspond to the space formed between the bent portion and the flat plate to be joined. By shaping the shape and molding it to the exact size, there is no need for finishing processing, so there is no need to cut the reinforcing fibers of the girder material, and it is easier to work with than methods using prepreg materials. Since the filler is molded to exact size, the number of steps can be reduced accordingly.
本発明の接合治具においては、桁材の折り曲げ部の始ま
る部位に形成した溝に設けた弾性体か、桁材の面に弾接
して、桁材と接合治具本体により区画された樹脂充填空
間を形成し、この樹脂充填空間に充填される樹脂で折り
曲げ部と平板の間に形成される空間に対応した形状の樹
脂フィラを形成するので、樹脂フィラが正寸で成形され
、かつ桁材の面に弾接する弾性体により、樹脂充填空間
に充填される樹脂がこの樹脂充填空間から漏れ出ること
がない。In the joining jig of the present invention, the elastic body provided in the groove formed at the beginning of the bending part of the girder material, or the resin filling that is in elastic contact with the surface of the girder material and partitioned by the girder material and the joining jig body. A space is formed, and the resin filling space is filled with resin to form a resin filler with a shape corresponding to the space formed between the bent part and the flat plate, so that the resin filler is molded to the exact size and the girder material The elastic body that comes into elastic contact with the surface prevents the resin filled in the resin filling space from leaking out of the resin filling space.
（実施例） 以下本発明の一実施例を図面につき説明する。(Example) An embodiment of the present invention will be described below with reference to the drawings.
第１図および第２図において符号１は、断面形状をＬ形
とした接合治具本体を示し、この接合治具本体１の長辺
側部分１ａの外面には、横方向に延びる溝２が形成され
ている。この溝２の形成位置は、接合治具本体１の外面
に、桁材３の上端を長辺側部分１ａの上端に合わせせる
ように桁材３を当接された時の桁材３の折り曲げ部４の
始まる部位４ａに対応するような位置である。また上記
溝２には、たとえばシリコンゴムて形成した弾性体５が
嵌入されている。上記弾性体５の溝２より突き出る部分
は、桁材３の面に弾接して桁材３と接合治具本体１との
間に樹脂充填空間６を形成する。そして樹脂充填空間６
に、たとえばエポキシ樹脂からなるフィラ７が充填され
る。In FIGS. 1 and 2, reference numeral 1 indicates a welding jig main body having an L-shaped cross section, and a groove 2 extending in the transverse direction is formed on the outer surface of the long side portion 1a of this welding jig main body 1. It is formed. The formation position of this groove 2 is determined by the bending of the girder material 3 when the girder material 3 is brought into contact with the outer surface of the joining jig main body 1 so that the upper end of the girder material 3 is aligned with the upper end of the long side portion 1a. This position corresponds to the part 4a where part 4 begins. Further, an elastic body 5 made of silicone rubber, for example, is fitted into the groove 2. The portion of the elastic body 5 that protrudes from the groove 2 comes into elastic contact with the surface of the beam 3 to form a resin-filled space 6 between the beam 3 and the joining jig main body 1. And resin filling space 6
is filled with a filler 7 made of, for example, epoxy resin.
なお上記接合治具本体１の桁材３に対する接合面には、
テフロン層８がコーティングされ、フィラ７の離型性と
接着面の接着性を確保するようにしている。Note that the joining surface of the joining jig main body 1 to the girder material 3 is
A Teflon layer 8 is coated to ensure the releasability of the filler 7 and the adhesiveness of the adhesive surface.
しかして、複合材の桁材３と複合材の平板である外板９
とを接合するには、まず複合材の桁材３に樹脂フィラ７
を設ける。この樹脂フィラ７を形成するには、複合材の
桁材３と接合治具本体１とを、折り曲げ部４の始まる部
位４ａが接合治具本体１の長辺側部分１ａの溝２に位置
するように接合し、第１図に示すようにクランプ装置１
０により互いに挟持する。これにより溝２に設けた弾性
体５か桁材３の面に弾接し、桁材３と接合治具本体１と
の間に形成される樹脂充填空間６にエポキシ樹脂材料を
充填し、このエポキシ樹脂材料を硬化処理することで行
なう。Therefore, the girder material 3 made of composite material and the outer panel 9 which is a flat plate made of composite material
In order to join the composite material 3 to the resin filler 7, first
will be established. In order to form this resin filler 7, the composite beam 3 and the joining jig main body 1 are connected so that the portion 4a where the bending part 4 starts is located in the groove 2 of the long side portion 1a of the joining jig main body 1. The clamping device 1 is connected as shown in FIG.
0 to sandwich each other. As a result, the elastic body 5 provided in the groove 2 comes into elastic contact with the surface of the beam material 3, and the resin filling space 6 formed between the beam material 3 and the joining jig main body 1 is filled with the epoxy resin material. This is done by curing the resin material.
複合材の桁材３への接合（第４図）か行われたら、桁材
３を折り曲げ部４と樹脂フィラ７が、第３図に示すよう
に外板９の所定位置に位置するように置き、コア１０を
桁材３と外板９に接するように配置し、桁材３と外板９
とを接合する。After the composite material is joined to the girder material 3 (Fig. 4), the girder material 3 is bent so that the bent part 4 and the resin filler 7 are located at the predetermined position on the outer panel 9 as shown in Fig. 3. The core 10 is placed in contact with the girder material 3 and the outer panel 9, and the core 10 is placed in contact with the girder material 3 and the outer panel
to join.
第５図は本発明の他の実施例を示し、この実施例では、
接合治具本体２０の桁材３の折り曲げ部４ａの始端と終
端に対応する部位に溝２１．２２を設け、これら溝２１
．２２に、弾性体２３２４を嵌入し、これら弾性体２３
．２４を桁材３に弾接することて、桁材３と接合治具本
体２０との間に樹脂充填空間２５を形成し、この樹脂充
填空間２５に、たとえばエポキシ樹脂からなるフィラ２
６を充填する。このエポキシ樹脂の樹脂充填空間２５へ
の充填は、接合治具本体２０に設けた注入孔２７により
行われる。FIG. 5 shows another embodiment of the invention, in which:
Grooves 21 and 22 are provided in the parts of the joining jig main body 20 corresponding to the starting and ending ends of the bent portion 4a of the beam member 3, and these grooves 21
．． 22, the elastic bodies 2324 are fitted, and these elastic bodies 23
．． 24 is brought into elastic contact with the girder 3 to form a resin-filled space 25 between the girder 3 and the joining jig main body 20, and a filler 2 made of, for example, epoxy resin is inserted into this resin-filled space 25.
Fill 6. This epoxy resin is filled into the resin filling space 25 through an injection hole 27 provided in the bonding jig main body 20.
以上述べたように、本発明の複合材の接合方法は、複合
材の桁材の折り曲げ部に、この折り曲げ部とこの折り曲
げ部に接合される複合材の平板との間に形成される隙間
に対応した正寸形状の樹脂フィラを設け、この樹脂フィ
ラを硬化処理し、この樹脂フィラに接するように平板を
配置し、折り曲げ部と平板を接合するので、仕上げ加工
を要さないので桁材の強化繊維を切断してしまうことか
なく、かつプリプレグ材を使用する方法に比べて作業性
がよくなり、また樹脂フィラが正寸で成形されるため、
その分工程が削減される。As described above, the method for joining composite materials of the present invention applies to the bending part of the girder material of the composite material, and the gap formed between the bending part and the flat plate of the composite material to be joined to the bending part. A resin filler with the corresponding exact size is provided, this resin filler is hardened, a flat plate is placed in contact with this resin filler, and the bent part and the flat plate are joined, so no finishing work is required, so the girder material It does not cut the reinforcing fibers and is easier to work with than methods that use prepreg materials, and the resin filler is molded to exact size.
The number of processes is reduced accordingly.
また本発明の複合材の接合治具は、桁材と接合治具本体
により区画された樹脂充填空間を溝に嵌入された弾性体
を桁材の面に弾接することで形成し、この樹脂充填空間
に充填される樹脂材料を硬化処理することで樹脂フィラ
を形成するので、隣接した部位への樹脂材料の漏れがな
く、所望形状の樹脂フィラを、仕上げ作業を必要とする
ことなく形成できる。In addition, the composite material joining jig of the present invention forms a resin-filled space partitioned by the girder material and the joining jig body by bringing an elastic body fitted into a groove into elastic contact with the surface of the girder material, and the resin-filled space is Since the resin filler is formed by curing the resin material filled in the space, there is no leakage of the resin material to adjacent parts, and the resin filler in the desired shape can be formed without the need for finishing work.
第１図は本発明の複合材の接合治具の使用状態を示す図
、第２図は樹脂フィラ成形部を示す拡大図、第３図は本
発明の複合材の接合方法を示す図、第４図は桁材に樹脂
フィラを接合した状態を示す図、第５図は本発明の複合
材の接合治具の他の実施例を示す図、第６図は従来の複
合材の桁材と平板の接合部を示す図である。
１・・・接合治具本体、２・・溝、３・・・桁材、４・
・・折り曲げ部、５・・・弾性体、７・・・樹脂フィラ
、９・・・平板、１０・・・コア。FIG. 1 is a diagram showing how the composite material joining jig of the present invention is used, FIG. 2 is an enlarged view showing the resin filler molding part, FIG. Fig. 4 shows a resin filler bonded to a girder material, Fig. 5 shows another embodiment of the composite material bonding jig of the present invention, and Fig. 6 shows a conventional composite material girder material and It is a figure which shows the joint part of a flat plate. 1... Joining jig body, 2... Groove, 3... Girder material, 4...
...Bending portion, 5...Elastic body, 7...Resin filler, 9...Flat plate, 10...Core.
Claims (1)
の折り曲げ部に接合される複合材の平板との間に形成さ
れる隙間に対応した形状の樹脂フィラを設け、この樹脂
フィラを硬化処理し、樹脂フィラを設けた桁材を、桁材
および樹脂フィラが接するように平板に配置し、桁材と
平板を接合することを特徴とする複合材の接合方法。 ２、一面を複合材の桁材に対する接合面とした接合治具
本体と、この接合治具本体の接合面の上端面を複合材の
桁材の上端面に合わせた時の桁材の折り曲げ部の始まる
部位に対応した部位に形成した溝と、この溝に嵌入され
かつ桁材の面に弾接して桁材と接合治具本体により区画
された樹脂充填空間を形成する弾性体とを有する接合治
具。[Claims] 1. A resin filler having a shape corresponding to the gap formed between the bent portion and the flat plate of the composite material joined to the bent portion is provided at the bent portion of the composite beam member. A method for joining composite materials, which comprises curing the resin filler, arranging the girder material provided with the resin filler on a flat plate so that the girder material and the resin filler are in contact with each other, and joining the girder material and the flat plate. 2. A joining jig body with one side as a joint surface for the composite material girder material, and a bent portion of the girder material when the upper end surface of the joint surface of this joining jig main body is aligned with the upper end surface of the composite material girder material. A joint having a groove formed at a position corresponding to the starting point, and an elastic body that is fitted into the groove and comes into elastic contact with the surface of the girder material to form a resin-filled space defined by the girder material and the joining jig main body. jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10698290A JP2968300B2 (en) | 1990-04-23 | 1990-04-23 | Composite material joining method and joining jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10698290A JP2968300B2 (en) | 1990-04-23 | 1990-04-23 | Composite material joining method and joining jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045024A true JPH045024A (en) | 1992-01-09 |
| JP2968300B2 JP2968300B2 (en) | 1999-10-25 |
Family
ID=14447474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10698290A Expired - Lifetime JP2968300B2 (en) | 1990-04-23 | 1990-04-23 | Composite material joining method and joining jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2968300B2 (en) |
-
1990
- 1990-04-23 JP JP10698290A patent/JP2968300B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2968300B2 (en) | 1999-10-25 |
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