JP2016149534A - Electromagnetic shielding panel and method of manufacturing the same - Google Patents
Electromagnetic shielding panel and method of manufacturing the same Download PDFInfo
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- JP2016149534A JP2016149534A JP2016007585A JP2016007585A JP2016149534A JP 2016149534 A JP2016149534 A JP 2016149534A JP 2016007585 A JP2016007585 A JP 2016007585A JP 2016007585 A JP2016007585 A JP 2016007585A JP 2016149534 A JP2016149534 A JP 2016149534A
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Abstract
Description
本発明は、赤外線遮熱構造を備えた自動車用エンジンアンダーカバーに関する。 The present invention relates to an automobile engine undercover having an infrared heat shielding structure.
遮熱構造を備えた自動車用エンジンアンダーカバーに関する従来技術としては特許文献１に開示されているようなものがある。 As a prior art regarding the engine undercover for automobiles provided with a heat shield structure, there is one disclosed in Patent Document 1.
しかし、特許文献１に開示されている方法は、樹脂材料を接着する接着手段を備えたアルミニウム箔を樹脂材料と共に一体成形して自動車用エンジンアンダーカバーの表面に直に接着するのであるから、ＰＰのように極性基がほとんどない非極性基材料に適用する場合には得られる接着力が弱く、製品の信頼性が低いという欠点があった。 However, the method disclosed in Patent Document 1 is such that an aluminum foil provided with an adhesion means for adhering a resin material is integrally formed with the resin material and directly adhered to the surface of the automobile engine undercover. When applied to a non-polar base material having almost no polar group, the resulting adhesive strength is weak and the product has a low reliability.
解決しようとする課題は、ＰＰのように極性基がほとんどない非極性基材料にアルミニウム箔を接着しても得られる接着力が弱く、製品の信頼性が低いという点である。本発明は上記の点を解決するためになされた。 The problem to be solved is that the adhesive strength obtained by bonding an aluminum foil to a non-polar base material having almost no polar group such as PP is weak and the reliability of the product is low. The present invention has been made to solve the above-described points.
上記目的を果たすため本発明は、ガラス繊維入りスタンパブルシートからなる樹脂成形体に、アルミ箔にガラスクロスを貼り付けたアルミガラスクロスが圧着されていることを最も主要な特徴とする。 In order to achieve the above object, the present invention is most characterized in that an aluminum glass cloth in which a glass cloth is bonded to an aluminum foil is pressure-bonded to a resin molded body made of a glass fiber stampable sheet.
また、上記スタンパブルシートが連続繊維ガラスマットまたは長繊維ガラスマットを含有するＰＰ樹脂製であることを第２の主要な特徴とする。 The second main feature is that the stampable sheet is made of PP resin containing a continuous fiber glass mat or a long fiber glass mat.
また、ガラス繊維入りスタンパブルシートからなる樹脂成形体に、アルミ箔にガラスクロスを貼り付けたアルミガラスクロスを成形同時貼りさせることを第３の主要な特徴とする A third main feature is that an aluminum glass cloth in which a glass cloth is attached to an aluminum foil is simultaneously formed on a resin molded body made of a glass fiber stampable sheet.
また、上記スタンパブルシートが連続繊維ガラスマットまたは長繊維ガラスマットを含有するＰＰ樹脂製であることを第４の主要な特徴とする A fourth main feature is that the stampable sheet is made of PP resin containing a continuous fiber glass mat or a long fiber glass mat.
本発明によれば、ＰＰスタンパブルシートのように極性基がほとんどない非極性基材料であってもアルミ箔を直に接着していないので製品としての信頼性が高い上、圧着されたアルミ箔によって熱源からの赤外線を遮熱できるという利点がある。また、赤外線に限らず他の周波数の電磁波の遮蔽効果もある。 According to the present invention, even if a non-polar base material having almost no polar group such as a PP stampable sheet is used, the aluminum foil is not directly bonded, so that the reliability as a product is high, and the crimped aluminum foil The advantage is that infrared rays from the heat source can be shielded. Moreover, there is an effect of shielding electromagnetic waves of other frequencies as well as infrared rays.
ＰＰスタンパブルシートのように極性基がほとんどない非極性基材料であっても、アルミ箔を圧着させて遮熱効果の高い自動車用エンジンアンダーカバーを得るという目的を、
ガラス繊維入りスタンパブルシートからなる樹脂成形体に、アルミ箔にガラスクロスを貼り付けたアルミガラスクロスを成形同時貼りすることによって、
安価に実現した。
Even if it is a non-polar base material with almost no polar groups such as PP stampable sheet, the purpose of obtaining an automotive engine undercover having a high heat shielding effect by crimping an aluminum foil,
By simultaneously pasting an aluminum glass cloth in which a glass cloth is pasted on an aluminum foil, on a resin molded body made of a glass fiber stampable sheet,
Realized at low cost.
本発明の構成を発明の実施の形態に基づいて説明すると次の通りである。
図１は、本発明の１実施例を示す成形同時貼りされた自動車用エンジンアンダーカバー１の斜視図である。
The configuration of the present invention will be described based on the embodiments of the invention as follows.
FIG. 1 is a perspective view of an engine undercover 1 for automobiles that has been molded and pasted together according to an embodiment of the present invention.
２はガラス繊維入りＰＰスタンパブルシートからなる樹脂成形体である。
３はアルミ箔にガラス繊維のクロス（ガラスクロス）を接着剤で張り付けたアルミガラスクロスである。この場合の接着剤は水溶性アクリル系樹脂等が好ましいが、ガラスとアルミの接着に有効であるならば他の種類の接着剤でもかまわない。
Reference numeral 2 denotes a resin molded body made of a PP stampable sheet containing glass fibers.
3 is an aluminum glass cloth in which a glass fiber cloth (glass cloth) is bonded to an aluminum foil with an adhesive. The adhesive in this case is preferably a water-soluble acrylic resin or the like, but other types of adhesive may be used as long as they are effective for bonding glass and aluminum.
次に本発明の該エンジンアンダーカバー１の製造方法を説明する。
図２ないし図４は図１のＡ−Ａ部分断面相当の図を天地逆にした図である。
先ず図２に示すように、該エンジンアンダーカバー１用のプレス金型の下型６内に該アルミガラスクロス３のアルミ箔５側を金型面７側に向けて所定の位置にセットする。
Next, a method for manufacturing the engine undercover 1 of the present invention will be described.
2 to 4 are diagrams in which the views corresponding to the AA partial cross section of FIG. 1 are inverted.
First, as shown in FIG. 2, the aluminum foil 5 side of the aluminum glass cloth 3 is set at a predetermined position in the lower mold 6 of the press mold for the engine under cover 1 toward the mold surface 7 side.
次に図３に示すように、予め樹脂の融点より高く２１０℃程度に加熱された該樹脂成形体２を該下型６上の該アルミガラスクロス３の上に置いて、該プレス金型の上型（図示せず）を降下させ該樹脂成形体２と該アルミガラスクロス３を挟むようにして型締めし、冷間プレス即ち成形同時貼りする。
すると、図４に示すように該アルミガラスクロス３のガラスクロス４が該樹脂成形体２に直に接して圧着されることになる。
Next, as shown in FIG. 3, the resin molded body 2 heated to about 210 ° C. higher than the melting point of the resin in advance is placed on the aluminum glass cloth 3 on the lower mold 6, and the press mold The upper mold (not shown) is lowered, and the mold is clamped so that the resin molded body 2 and the aluminum glass cloth 3 are sandwiched, and cold pressing, that is, simultaneous molding is performed.
Then, as shown in FIG. 4, the glass cloth 4 of the aluminum glass cloth 3 is brought into direct contact with the resin molded body 2 and pressed.
その後離型して該エンジンアンダーカバー１を取り出し、不要な部分をカットして仕上げを施す。
こうして製造された該エンジンアンダーカバー１は、該アルミガラスクロス３に貼着された該ガラスクロス４に該樹脂成形体２の含有ガラス繊維及び樹脂がプレス圧力によって強固に絡み合うので、該樹脂成形体２のＰＰスタンパブルシートのように極性基がほとんどない非極性基材料であっても特許文献１に開示されている方法のようにアルミ箔を直に接着する必要がないので製品としての信頼性が高い。
Thereafter, the mold is released and the engine under cover 1 is taken out, and unnecessary portions are cut and finished.
The engine undercover 1 manufactured in this way is such that the glass fiber and resin contained in the resin molded body 2 are strongly entangled with the glass cloth 4 adhered to the aluminum glass cloth 3 by pressing pressure. Even if it is a non-polar base material having almost no polar group like PP stampable sheet No. 2, it is not necessary to directly bond aluminum foil as in the method disclosed in Patent Document 1, so that it is reliable as a product. Is expensive.
この、該アルミガラスクロス３に貼着された該ガラスクロス４に該樹脂成形体２の含有ガラス繊維及び樹脂を強固に絡み合わせるためには、実験によればそのプレス圧力は少なくとも１２MPa以上が必要であり１５MPa以上ならば更に確実である。 In order to firmly entangle the glass fiber and resin contained in the resin molded body 2 with the glass cloth 4 adhered to the aluminum glass cloth 3, the press pressure is required to be at least 12 MPa or more according to experiments. If it is 15 MPa or more, it is more certain.
また、該アルミガラスクロス３のアルミ箔の材質はアルミニウムに限るものではなく、銅箔やスズ箔等、他の金属箔でもよい。 The material of the aluminum foil of the aluminum glass cloth 3 is not limited to aluminum, and other metal foils such as copper foil and tin foil may be used.
また、該樹脂成形体２のスタンパブルシートの材質はＰＰに限るものではなく、ＰＰと同様極性基がほとんどない非極性基材料である他のオレフィン系樹脂であってもよいし、極性基を有する他の種類の熱可塑性樹脂であってもよい。 The material of the stampable sheet of the resin molded body 2 is not limited to PP, and may be another olefin resin that is a non-polar base material having almost no polar group like PP, or a polar group. Other types of thermoplastic resins may be used.
また、該樹脂成形体２のスタンパブルシートに含有されるガラス繊維は連続繊維ガラスマットでも長繊維ガラスマットでも短繊維でもよい。 The glass fiber contained in the stampable sheet of the resin molded body 2 may be a continuous fiber glass mat, a long fiber glass mat, or a short fiber.
以上実施例に述べたように本発明によれば、ガラス繊維入りスタンパブルシートからなる樹脂成形体に、アルミ箔にガラス繊維のクロスを貼り付けたアルミガラスクロスを成形同時貼りしたため、
ＰＰスタンパブルシートのように極性基がほとんどない非極性基材料であってもアルミ箔を直に接着していないので製品としての信頼性が高い上、圧着されたアルミ箔によって熱源からの赤外線を遮熱できるという効果がある。
また、アルミ箔には赤外線に限らず他の周波数の電磁波の遮蔽効果もある。
As described in the above examples, according to the present invention, since the aluminum glass cloth in which the glass fiber cloth is pasted on the aluminum foil is simultaneously formed on the resin molded body formed of the glass fiber stampable sheet,
Even if it is a non-polar base material with almost no polar groups like PP stampable sheet, the aluminum foil is not directly bonded, so it is highly reliable as a product, and the infrared rays from the heat source are radiated by the pressed aluminum foil. There is an effect that heat can be shielded.
Aluminum foil also has an effect of shielding electromagnetic waves of other frequencies as well as infrared rays.
本発明は自動車用エンジンアンダーカバーに限らずマフラーカバーやモーター、二次電池等の電気部品で、赤外線や他の周波数の漏洩電磁波の遮蔽を必要とする部位に電磁波遮蔽パネルとして広く利用可能である。 INDUSTRIAL APPLICABILITY The present invention is not limited to automobile engine undercovers, and can be widely used as an electromagnetic shielding panel for parts that require shielding of electromagnetic waves leaking from infrared rays and other frequencies, such as muffler covers, motors, and secondary batteries. .
１ 自動車用エンジンアンダーカバー
２ 樹脂成形体
３ アルミガラスクロス
４ ガラスクロス
５ アルミ箔
６ （プレス金型の）下型
７ 金型面
DESCRIPTION OF SYMBOLS 1 Automotive engine undercover 2 Resin molding 3 Aluminum glass cloth 4 Glass cloth 5 Aluminum foil 6 Lower mold (press mold) 7 Mold surface
Claims (4)
The stampable sheet according to claim 3, which is made of PP resin containing a continuous fiber glass mat or a long fiber glass mat.
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| JP2016007585A JP2016149534A (en) | 2016-01-19 | 2016-01-19 | Electromagnetic shielding panel and method of manufacturing the same |
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| JP2016007585A JP2016149534A (en) | 2016-01-19 | 2016-01-19 | Electromagnetic shielding panel and method of manufacturing the same |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201650A (en) * | 1981-06-05 | 1982-12-10 | Asahi Glass Co Ltd | Stamp molding material and its manufacture |
| JPS5898247A (en) * | 1981-12-09 | 1983-06-11 | 出光石油化学株式会社 | Reinforced plastic laminate which can be molded by compressed air |
| JPS61279550A (en) * | 1985-06-06 | 1986-12-10 | トヨタ自動車株式会社 | Laminate for reinforcing steel plate |
| JPH11227103A (en) * | 1998-02-13 | 1999-08-24 | Kawasaki Steel Corp | Laminate |
| JP2014148113A (en) * | 2013-02-01 | 2014-08-21 | Oji Holdings Corp | Aluminum-coated composite material panel |
| JP2015020364A (en) * | 2013-07-19 | 2015-02-02 | 日新製鋼株式会社 | Composite and method for manufacturing the same as well as coated metal contouring material and method for manufacturing the same |
| JP2015104833A (en) * | 2013-11-29 | 2015-06-08 | ホクト工業株式会社 | Flame retardant frp structure |
-
2016
- 2016-01-19 JP JP2016007585A patent/JP2016149534A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57201650A (en) * | 1981-06-05 | 1982-12-10 | Asahi Glass Co Ltd | Stamp molding material and its manufacture |
| JPS5898247A (en) * | 1981-12-09 | 1983-06-11 | 出光石油化学株式会社 | Reinforced plastic laminate which can be molded by compressed air |
| JPS61279550A (en) * | 1985-06-06 | 1986-12-10 | トヨタ自動車株式会社 | Laminate for reinforcing steel plate |
| JPH11227103A (en) * | 1998-02-13 | 1999-08-24 | Kawasaki Steel Corp | Laminate |
| JP2014148113A (en) * | 2013-02-01 | 2014-08-21 | Oji Holdings Corp | Aluminum-coated composite material panel |
| JP2015020364A (en) * | 2013-07-19 | 2015-02-02 | 日新製鋼株式会社 | Composite and method for manufacturing the same as well as coated metal contouring material and method for manufacturing the same |
| JP2015104833A (en) * | 2013-11-29 | 2015-06-08 | ホクト工業株式会社 | Flame retardant frp structure |
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