JPH0375129A - Method for molding composite material - Google Patents
Method for molding composite materialInfo
- Publication number
- JPH0375129A JPH0375129A JP1210278A JP21027889A JPH0375129A JP H0375129 A JPH0375129 A JP H0375129A JP 1210278 A JP1210278 A JP 1210278A JP 21027889 A JP21027889 A JP 21027889A JP H0375129 A JPH0375129 A JP H0375129A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic
- mold
- pad
- composite material
- thermoplastic reinforced
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 64
- 239000002657 fibrous material Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000002990 reinforced plastic Substances 0.000 claims description 25
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 229920001169 thermoplastic Polymers 0.000 abstract description 29
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 28
- 239000003365 glass fiber Substances 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000005470 impregnation Methods 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract 5
- 239000011347 resin Substances 0.000 abstract 5
- 229920005992 thermoplastic resin Polymers 0.000 abstract 3
- -1 polypropylene Polymers 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 229920001155 polypropylene Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 5
- 239000012815 thermoplastic material Substances 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Landscapes
- Body Structure For Vehicles (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、例えば自動車のエンジンアンダーカバーなど
に使用される複合材の成形方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for molding a composite material used, for example, in an engine undercover of an automobile.
（従来の技術）
自動車のエンジンルームの下側には、泥はね防止や遮音
、吸音などを兼ねてアンダーカバーが配設されている。(Prior Art) An undercover is provided below the engine compartment of an automobile to prevent mud from splashing, to insulate sound, and to absorb sound.
これらアンダーカバーは、熱可塑性プラスチック材内に
ガラス繊維材を混入させてなる熱可塑性強化プラスチッ
ク材などの複合材が使用され、さらにより良い遮音性や
断熱性などを得るため間にパッド材を挟んで上下に熱可
塑性強化プラスチックをそれぞれ取り付けてなる複合材
などを使用したものもある。These undercovers are made of composite materials such as thermoplastic reinforced plastic material, which is made by mixing glass fiber material into thermoplastic material, and padding material is sandwiched in between to obtain better sound insulation and heat insulation properties. There are also products that use composite materials such as reinforced thermoplastics attached to the top and bottom.
第４図は、その従来における複合材の一例を示したもの
である。FIG. 4 shows an example of the conventional composite material.
この複合材３０は、ガラス繊維材を混入してなる熱可塑
性強化プラスチック材３１を、発泡成形されたパッド材
３３の上下面に接着剤３２などを介して取り付けている
。この複合材３ｏでは、パッド材３３の側面を熱可塑性
強化プラスチック３１で覆った状態には構成されていな
い。In this composite material 30, a thermoplastic reinforced plastic material 31 mixed with glass fiber material is attached to the upper and lower surfaces of a foam-molded pad material 33 via an adhesive 32 or the like. In this composite material 3o, the side surfaces of the pad material 33 are not covered with the thermoplastic reinforced plastic 31.
また、第５図は従来における複合材の他の例を示したも
のである。Further, FIG. 5 shows another example of a conventional composite material.
この複合材４０は、上部熱可塑性強化プラスチック４１
ａと下部熱可塑性強化プラスチック４１ｂとを個々に成
形した後、再熱可塑性強化プラスチック４１ａ、４１ｂ
を互いに接着剤４２で接合させて袋状に形成し、その後
袋状内にポリウレタン（ＰＵＲ） 、フェノールプラス
チックなどの発泡材を充填して発泡させパッド材４３を
設けた構造になっている。This composite material 40 has an upper thermoplastic reinforced plastic material 41
a and the lower thermoplastic reinforced plastic 41b are individually molded, then the thermoplastic reinforced plastic 41a, 41b is re-molded.
are bonded to each other with an adhesive 42 to form a bag shape, and then a foaming material such as polyurethane (PUR) or phenol plastic is filled and foamed into the bag shape to provide a padding material 43.
（発明が解決しようとする課題〉
しかしながら、第４図に示した従来の複合材３０では、
パッド材３３の側面が熱可塑性強化プラスチック３１で
覆われていないので強度的に弱い問題点があった。(Problem to be solved by the invention) However, in the conventional composite material 30 shown in FIG.
Since the side surfaces of the pad material 33 are not covered with the thermoplastic reinforced plastic 31, there is a problem in that the pad material 33 is weak in strength.
一方、第５図に示した従来の複合材４０では、上部熱可
塑性強化プラスチック４１ａと下部熱可塑性強化プラス
チック４１ｂとを個々に成形する工程と、これら再熱可
塑性強化プラスチック４１ａ、４１ｂを接合する工程と
、再熱可塑性強化プラスチック４１ａ、４１ｂ内にパッ
ド材４３を発泡成形する工程などが必要で複雑化してい
る問題点があった。On the other hand, in the conventional composite material 40 shown in FIG. 5, there is a step of molding the upper thermoplastic reinforced plastic 41a and a lower thermoplastic reinforced plastic 41b individually, and a step of joining these re-reinforced thermoplastic reinforced plastics 41a and 41b. However, there is a problem in that a process of foam-molding the pad material 43 within the re-thermoplastic reinforced plastics 41a and 41b is required, making the process complicated.
本発明は、上記問題点に鑑みてなされたものであり、そ
の目的は成形工程を簡略化し、かつ強度性の優れた複合
体を得ることができる成形方法を提供することにある。The present invention has been made in view of the above problems, and its purpose is to provide a molding method that simplifies the molding process and can yield a composite with excellent strength.
〈課題を解決するための手段〉
上記目的を達成するため、本発明に係る複合体の成形方
法は、間に介装されるパッド材よりも幅広のシート状を
した繊維材を前記パッドの上下面にそれぞれ配置した積
層体を成形型内にセットし、前記成形型内で前記パッド
材よりも外側へ張り出している前記繊維材の張り出し部
分を前記パッド材の側面に沿って折り込むとともに前記
成形型に設けた突起部で挟んで位置決めし、その後前記
繊維材に液状プラスチック材を含浸・硬化させてなる熱
可塑性強化プラスチックで前記パッド材の外周を覆って
形成するようにしたものである。<Means for Solving the Problems> In order to achieve the above object, the method for forming a composite body according to the present invention includes forming a sheet-shaped fibrous material wider than the pad material interposed between the pads. The laminates arranged on the lower surfaces are set in a mold, and the overhanging portion of the fiber material that protrudes outward from the pad material in the mold is folded in along the side surface of the pad material, and the laminate is folded into the mold. The pad material is positioned by being sandwiched between protrusions provided in the pad material, and then the outer periphery of the pad material is covered with a thermoplastic reinforced plastic made by impregnating the fiber material with a liquid plastic material and curing it.
（作用〉
この成形方法によれば、同一の成形型内で繊維材の張り
出し部分をパッド材の側面に沿って折り込む工程処理と
、パッド材の外周を覆った状態で熱可塑性強化プラスチ
ックを成形する工程処理とができるので、三層構造で、
かつ側面も熱可塑性強化プラスチックで覆われた複合材
が同一の成形型内℃得られる。(Function) According to this molding method, the overhanging part of the fiber material is folded in along the side of the pad material in the same mold, and the thermoplastic reinforced plastic is molded while covering the outer periphery of the pad material. Because it can be processed, it has a three-layer structure.
A composite material whose sides are also covered with thermoplastic reinforced plastic is obtained in the same mold.
（実施例）
以下、本発明の実施例について図面を用いて詳細に説明
する。(Example) Hereinafter, an example of the present invention will be described in detail using the drawings.
第１図は本発明の成形方法を説明する工程図で、第２図
はこの成形方法で成形された複合材を示すものである。FIG. 1 is a process diagram illustrating the molding method of the present invention, and FIG. 2 shows a composite material molded by this molding method.
図において、複合材１は、パッド材２と、このパッド材
２の上下面に積層された一対の熱可塑性強化プラスチッ
ク３とで構成される。そして、パッド材２の側面を周回
した状態で各熱可塑性強化プラスチック３の張り出し部
分が互いに接合されて袋状化され、この袋状内にパッド
材２が封入された状態になっている。In the figure, a composite material 1 is composed of a pad material 2 and a pair of thermoplastic reinforced plastics 3 laminated on the upper and lower surfaces of this pad material 2. Then, while the thermoplastic reinforced plastics 3 are wrapped around the side surface of the pad material 2, the protruding portions of the thermoplastic reinforced plastics 3 are joined to each other to form a bag shape, and the pad material 2 is enclosed within this bag shape.
なお、熱可塑性強化プラスチック材３は、ガラス繊維材
４に例えば液状化されたポリプロピレン（ＰＰ） 、ポ
リブチレンチレフタレ−）（ＰＢＴ）、ポリエチレンテ
レフタレート（ＰＥＴ）などの熱可塑性プラスチック１
１を含浸・硬化させて作られる。一方、パッド材２は、
ポリウレタン（ＰＵＲ） 、ポリプロピレン（ＰＰ）、
ポリエチレンなどを発泡させた発泡材、あるいはポリエ
チレンテレフタレート（ＰＥＴ）、ポリウレタン（ＰＵ
Ｒ） 、ポリプロピレン（ＰＰ）などでなる不織布材で
作られる。The thermoplastic reinforced plastic material 3 includes a glass fiber material 4 containing a thermoplastic plastic 1 such as liquefied polypropylene (PP), polybutylene terephthalate (PBT), or polyethylene terephthalate (PET).
It is made by impregnating and curing 1. On the other hand, the pad material 2 is
Polyurethane (PUR), polypropylene (PP),
Foamed materials such as polyethylene, polyethylene terephthalate (PET), polyurethane (PU)
R) is made of non-woven fabric material such as polypropylene (PP).
次に、複合材１を成形するための成形型は、第１図に示
すように、上型５と下型６とで構成されている。この各
成形型５．６は成形時に互いに突き合わされるものであ
る。そして、上型５の突き合わせ面５ａには、複合材１
に対応する成形用の凹部５ｂと、この凹部５ｂを周回し
た状態で囲壁状に突起部５ｃが設けられているとともに
、外部のプラスチック射出機へ連ながるプラスチック材
注入穴７が開口されている。一方、下型６の突き合わせ
面６ａには、複合材１に対応する成形用の凹部６ｂと、
突起部を兼ねる突き当て面６ｃがが形成されている。こ
の突き当て面６ｃは凹部６ｂを周回した状態で、また突
起部５Ｃと対応して形成されている。Next, a mold for molding the composite material 1 is composed of an upper mold 5 and a lower mold 6, as shown in FIG. The molds 5, 6 are butted against each other during molding. Then, on the butt surface 5a of the upper mold 5, a composite material 1
A molding recess 5b corresponding to the recess 5b, a protrusion 5c surrounding the recess 5b, and a plastic material injection hole 7 connected to an external plastic injection machine are opened. There is. On the other hand, the abutment surface 6a of the lower mold 6 has a molding recess 6b corresponding to the composite material 1,
An abutting surface 6c that also serves as a protrusion is formed. This abutting surface 6c is formed around the recess 6b and in correspondence with the protrusion 5C.
次に、この成形型５．６を使用して複合材１を成形する
場合は、ブロック状のパッド材２を挟んで上下にシート
状のガラス繊維材４を積層配置する。このとき、ガラス
繊維材４は周縁部がパッド材２よりも外側へ張り出す幅
広状のものが使用され、第１図（ａ）に示すようにこの
積層された状態で下型６の凹部６ｂと対応した部分にセ
ットされる０次いで、この上から上型５が突き合わされ
て来ると、全体が凹部６ｂ内に押し込まれながら上型５
と下型６とで挟まれて行く、また、この挟まれて行くと
き、下側のガラス繊維材４は、パッド材２よりも外側へ
張り出している部分４ａがパッド材２の側面に沿って上
方に凹部６ｂの内側面６ｄによって折り曲げられる。こ
れに対して上側のガラス繊維材４は、パッド材２よりも
外側へ張り出している部分４ａがパッド材２の側面に沿
って下方に凹部５ｂの内側面５ｄによって折り曲げられ
る。そして、上型６と下型６とが完全に突き合わされた
状態になると、同図（ｂ）に示すように張り出し部分４
ａを挟んで突起部５ｃと突き当て面６ｃとが互いに当接
される。これにより、張り出し部分４ａが位置決められ
て突起部５Ｃと突き当て面６Ｃとで挟持される０次いで
、この状態下で、プラスチック材注入穴７から液状をし
た熱可塑性プラスチック材１１が注入される。そして、
この熱可塑性プラスチック材１１がガラス繊維材４に含
浸され、その後硬化される。すなわち、この熱可塑性プ
ラスチック材１１の含浸によってガラス繊維材４の部分
が熱可塑性強化プラスチック３に変わる。また、この熱
可塑性プラスチック材１１の含浸で、上下の熱可塑性強
化プラスチック３およびパッド材２が互いに接合されて
一体化され、これを成形型内より取り出すと複合材１が
得られる。Next, when molding the composite material 1 using this mold 5.6, sheet-like glass fiber materials 4 are stacked on top and bottom with the block-like pad material 2 in between. At this time, the glass fiber material 4 used has a wide peripheral edge extending outward from the pad material 2, and as shown in FIG. Then, when the upper mold 5 is butted against this, the upper mold 5 is pushed into the recess 6b as a whole.
and the lower mold 6. Also, when being sandwiched, the lower glass fiber material 4 has a portion 4a that protrudes outward from the pad material 2 along the side surface of the pad material 2. It is bent upward by the inner surface 6d of the recess 6b. On the other hand, in the upper glass fiber material 4, a portion 4a extending outward from the pad material 2 is bent downward along the side surface of the pad material 2 by the inner surface 5d of the recess 5b. When the upper mold 6 and the lower mold 6 are completely butted together, the overhanging portion 4 is shown in FIG.
The protrusion 5c and the abutment surface 6c are brought into contact with each other with a in between. As a result, the projecting portion 4a is positioned and held between the protruding portion 5C and the abutment surface 6C. Then, under this condition, the liquid thermoplastic material 11 is injected from the plastic material injection hole 7. and,
This thermoplastic material 11 is impregnated into the glass fiber material 4 and then cured. That is, by impregnating the thermoplastic material 11, the glass fiber material 4 is changed into the thermoplastic reinforced plastic 3. Moreover, by impregnation with this thermoplastic material 11, the upper and lower thermoplastic reinforced plastics 3 and pad material 2 are joined to each other and integrated, and when this is taken out from the mold, a composite material 1 is obtained.
したがって、この成形方法によれば、間にパッド材２を
挟んだ三層構造で、かつパッド材２の外周全てが熱可塑
性強化プラスチック３で覆われた強度の高い複合材１が
簡単に得られる。Therefore, according to this molding method, a high-strength composite material 1 having a three-layer structure with the pad material 2 sandwiched therebetween and in which the entire outer periphery of the pad material 2 is covered with the thermoplastic reinforced plastic 3 can be easily obtained. .
（発明の効果）
以上説明したとおり、本発明に係る複合材の成形方法に
よれば、同一の成形型内で繊維材の領り出し部分をパッ
ド材の側面に沿って折り込む工程処理と、パッド材の外
周を覆った状態で熱可塑性強化プラスチックを成形する
工程処理とができるので、三層構造で、かつ側面も熱可
塑性強化プラスチックで覆われた複合材が同一の成形型
内で得られる。これにより、強度が高く、かつコストの
低い複合材が簡単に得られる。(Effects of the Invention) As explained above, according to the method for molding a composite material according to the present invention, the process of folding the protruding portion of the fiber material along the side surface of the pad material in the same mold, and Since the process of molding the thermoplastic reinforced plastic while covering the outer periphery of the material can be performed, a composite material with a three-layer structure and whose sides are also covered with the thermoplastic reinforced plastic can be obtained in the same mold. Thereby, a composite material with high strength and low cost can be easily obtained.
第１図（ａ）、（ｂ）は本発明に係る成形方法による工
程図、第２図は本発明の成形方法を用いて成形された複
合材の外観斜視図、第３図は第２図のＡ−Ａ線に沿う断
面図、第４図は従来の成形方法で成形された複合材の一
例を示した断面図、第５図は従来の他の成形方法で成形
された複合材の一例を示した断面図である。
１．３０．４０・・・複合材、２．３３．４・パッド材
、３．３１．４１ａ、４１ｂ・熱可塑性強化プラスチッ
ク、４・・・ガラス繊維材、５・・・上型、６・・・下
型、４ａ・・張り出し部分、５Ｃ・・・突起部。
３ ・
第
１
図
ｄ
第
図
第
図
３（４）1(a) and (b) are process diagrams of the molding method according to the present invention, FIG. 2 is a perspective view of the external appearance of a composite material molded using the molding method of the present invention, and FIG. 4 is a sectional view showing an example of a composite material molded by a conventional molding method, and FIG. 5 is an example of a composite material molded by another conventional molding method. FIG. 1.30.40...Composite material, 2.33.4.Padding material, 3.31.41a, 41b.Thermoplastic reinforced plastic, 4.Glass fiber material, 5.Upper mold, 6. ...lower mold, 4a...overhanging part, 5C...protrusion. 3. Figure 1 d Figure 3 (4)
Claims (1)
維材を前記パッドの上下面にそれぞれ配置した積層体を
成形型内にセットし、前記成形型内で前記パッド材より
も外側へ張り出している前記繊維材の張り出し部分を前
記パッド材の側面に沿って折り込むとともに前記成形型
に設けた突起部で挟んで位置決めし、その後前記繊維材
に液状プラスチック材を含浸・硬化させてなる熱可塑性
強化プラスチックで前記パッド材の外周を覆って形成す
ることを特徴とする複合材の成形方法。A laminate in which sheet-shaped fibrous materials that are wider than the pad material interposed between them are placed on the upper and lower surfaces of the pad is set in a mold, and the laminate is placed in the mold to the outside of the pad material. The overhanging portion of the fibrous material is folded along the side surface of the padding material and positioned by being sandwiched between protrusions provided on the mold, and then the fibrous material is impregnated with a liquid plastic material and cured. 1. A method for molding a composite material, the method comprising: covering the outer periphery of the pad material with a plastic reinforced plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1210278A JPH0375129A (en) | 1989-08-15 | 1989-08-15 | Method for molding composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1210278A JPH0375129A (en) | 1989-08-15 | 1989-08-15 | Method for molding composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375129A true JPH0375129A (en) | 1991-03-29 |
Family
ID=16586747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1210278A Pending JPH0375129A (en) | 1989-08-15 | 1989-08-15 | Method for molding composite material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375129A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105996A (en) * | 1999-10-04 | 2001-04-17 | Mitsuiya Kogyo Kk | Floor back cover for automobile |
| US6482079B1 (en) | 1999-08-16 | 2002-11-19 | Hitec Co., Ltd. | Method and apparatus for manufacturing foodstuffs such as sausages |
| JP2008068587A (en) * | 2006-09-15 | 2008-03-27 | Nissan Motor Co Ltd | Molded article made of frp, its molding method, and its molding die |
| JP2013023184A (en) * | 2011-07-26 | 2013-02-04 | Toyota Industries Corp | Outer panel for transportation apparatus and method of manufacturing the same |
| JP2018517601A (en) * | 2015-05-06 | 2018-07-05 | オートニアム マネジメント アクチエンゲゼルシャフトＡｕｔｏｎｅｕｍ Ｍａｎａｇｅｍｅｎｔ ＡＧ | External vehicle trim parts |
| US20180304587A1 (en) * | 2016-02-03 | 2018-10-25 | Toppan Printing Co., Ltd. | Laminate sheet and packaging container sleeve |
-
1989
- 1989-08-15 JP JP1210278A patent/JPH0375129A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6482079B1 (en) | 1999-08-16 | 2002-11-19 | Hitec Co., Ltd. | Method and apparatus for manufacturing foodstuffs such as sausages |
| JP2001105996A (en) * | 1999-10-04 | 2001-04-17 | Mitsuiya Kogyo Kk | Floor back cover for automobile |
| JP2008068587A (en) * | 2006-09-15 | 2008-03-27 | Nissan Motor Co Ltd | Molded article made of frp, its molding method, and its molding die |
| JP2013023184A (en) * | 2011-07-26 | 2013-02-04 | Toyota Industries Corp | Outer panel for transportation apparatus and method of manufacturing the same |
| JP2018517601A (en) * | 2015-05-06 | 2018-07-05 | オートニアム マネジメント アクチエンゲゼルシャフトＡｕｔｏｎｅｕｍ Ｍａｎａｇｅｍｅｎｔ ＡＧ | External vehicle trim parts |
| US20180304587A1 (en) * | 2016-02-03 | 2018-10-25 | Toppan Printing Co., Ltd. | Laminate sheet and packaging container sleeve |
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