JPH07323477A - Bonding of exhaust muffler - Google Patents

Bonding of exhaust muffler

Info

Publication number
JPH07323477A
JPH07323477A JP1198195A JP1198195A JPH07323477A JP H07323477 A JPH07323477 A JP H07323477A JP 1198195 A JP1198195 A JP 1198195A JP 1198195 A JP1198195 A JP 1198195A JP H07323477 A JPH07323477 A JP H07323477A
Authority
JP
Japan
Prior art keywords
thermosetting resin
semi
cured
uncured
joining
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
Application number
JP1198195A
Other languages
Japanese (ja)
Other versions
JP2521419B2 (en
Inventor
Hiroshi Funabashi
博 船橋
Takeshi Inoue
健 井上
Yukihiro Nakagawa
幸弘 中川
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.)
Honda Motor Co Ltd
Nakagawa Sangyo Co Ltd
Original Assignee
Honda Motor Co Ltd
Nakagawa Sangyo Co 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 Honda Motor Co Ltd, Nakagawa Sangyo Co Ltd filed Critical Honda Motor Co Ltd
Priority to JP1198195A priority Critical patent/JP2521419B2/en
Publication of JPH07323477A publication Critical patent/JPH07323477A/en
Application granted granted Critical
Publication of JP2521419B2 publication Critical patent/JP2521419B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To certainly and strongly bond an exhaust muffler composed of a resin molded article. CONSTITUTION:Divided members 11a, 11b are formed by laminating porous layers 12a, 12b and skin layers 13a, 13b in a semi-cured state and abutted to the uncured porous layers 12a, 12b to be bonded thereto and uncured parts are formed to a part of the outer surfaces of the skin layers 13a, 13b in the vicinity of the bonded part and a curable resin 20 is built up on these parts and heated and pressed by upper and lower molds 17a, 17b to be cured to bonds the divided members 11a, 11b.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は排気消音器の接合方
法、特に樹脂成形体から構成される排気消音器の接合方
法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining an exhaust silencer, and more particularly to a method for joining an exhaust silencer composed of a resin molding.

【0002】[0002]

【従来の技術】近年、樹脂系の複合材料は種々の機器に
材料として使用され、内燃機関の排気消音器にあっても
グラスウール等の無機繊維の綿状体と熱硬化性樹脂との
複合材料で構成されるものが提案されている。
2. Description of the Related Art In recent years, resin-based composite materials have been used as materials for various devices, and even in exhaust silencers of internal combustion engines, composite materials of cotton wool-like inorganic fibers such as glass wool and thermosetting resin. Is proposed.

【0003】このような複合材料から成る排気消音器
は、特開昭60−108514号公報、特開昭60−1
75717号公報あるいは特開昭60−206920号
公報に記載されているように、先ず複数の分割体で成形
吸音材で成形し、これら分割体を接着剤で接合して外箱
を構成している。
Exhaust silencers made of such composite materials are disclosed in Japanese Patent Laid-Open Nos. 60-108514 and 60-1.
As described in Japanese Patent No. 75717 or Japanese Patent Application Laid-Open No. 60-206920, first, a plurality of divided bodies are molded with a sound absorbing material, and these divided bodies are joined with an adhesive to form an outer box. .

【0004】[0004]

【発明が解決しようとする課題】しかしながら、上述の
ような排気消音器にあっては、分割体を接着剤で接合し
て外箱を構成するため、各分割体接着強度がその接着面
の表面粗さ等に影響されて安定した品質を得ることがで
きないという問題点があった。
However, in the above-described exhaust silencer, since the outer box is formed by joining the divided bodies with an adhesive, the adhesive strength of each divided body is the surface of the bonding surface. There is a problem that stable quality cannot be obtained due to the influence of roughness and the like.

【0005】この発明は、上記問題点を鑑みてなされた
もので、樹脂成形体から構成される排気消音器を確実か
つ強固に接合することができる接合方法を提供すること
を目的としている。
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a joining method capable of reliably and firmly joining an exhaust silencer made of a resin molded body.

【0006】[0006]

【課題を解決するための手段】上記課題を解決すべくこ
の発明にかかる排気消音器の接合方法は、熱硬化性樹脂
を加熱かつ加圧して少なくとも一部に未硬化の半硬化部
を有する分割体を成形する工程と、2つの分割体をそれ
ぞれの半硬化部を突き合せるとともに突き合せ部の接合
部近傍外面に熱硬化性樹脂を盛り付け、この熱硬化性樹
脂および各分割体の半硬化部を加熱かつ加圧して熱硬化
性樹脂を各半硬化部と一体的に熱硬化させる工程とを備
える。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a method of joining exhaust mufflers according to the present invention divides a thermosetting resin by heating and pressurizing it so that at least a part thereof has an uncured semi-cured portion. The step of molding the body and the two semi-cured parts are abutted with their respective semi-cured parts, and a thermosetting resin is applied to the outer surface in the vicinity of the joint part of the abutted parts. Is heated and pressed to integrally thermoset the thermosetting resin with each semi-cured portion.

【0007】[0007]

【作用】この発明にかかる排気消音器の接合方法によれ
ば、接合する2つの分割体を半硬化部を突き合せ、その
突き合せ部の接合部外面に熱硬化性樹脂を盛り付け、こ
の熱硬化性樹脂および各分割体の半硬化部を加熱かつ加
圧して分割体を接合する。したがって、分割体は半硬化
部が互いに強固かつ確実に結合し、その結合強度が半硬
化部の表面粗さ等の影響を受けることもなく、分割体を
接合して得られる製品に安定した品質が期待できる。
According to the method of joining the exhaust silencer according to the present invention, the semi-cured portions of the two divided bodies to be joined are butted, and a thermosetting resin is placed on the outer surface of the joined portion of the butted portion. The resin and the semi-cured part of each divided body are heated and pressed to join the divided bodies. Therefore, the semi-cured parts of the split body are firmly and securely bonded to each other, and the bonding strength is not affected by the surface roughness of the semi-cured part, etc., and the product obtained by joining the split bodies has a stable quality. Can be expected.

【0008】[0008]

【実施例】以下この発明の実施例を図面に基づいて説明
する。図1はこの発明にかかる排気消音器の接合方法を
排気消音器の製造に適用した実施例を示し、製造工程に
おける断面図である。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment in which the method of joining exhaust mufflers according to the present invention is applied to the manufacture of exhaust mufflers, and is a sectional view in the manufacturing process.

【0009】図1において、11a,11bはグラスウ
ール等の不飽和ポリエステル等の熱硬化性樹脂との複合
材料からなる分割体(樹脂成形体)であり、これら分割
体11a,11bは、無機繊維の綿体に熱硬化性樹脂を
含浸させ、この熱硬化性樹脂が含浸された綿体を加熱、
加圧して型成形される。
In FIG. 1, 11a and 11b are divided bodies (resin moldings) made of a composite material with a thermosetting resin such as unsaturated polyester such as glass wool, and these divided bodies 11a and 11b are made of inorganic fibers. A cotton body is impregnated with a thermosetting resin, and the cotton body impregnated with this thermosetting resin is heated,
Molded under pressure.

【0010】これら分割体11a,11bは、それぞれ
成形時に一面側が徐圧されてこの面側に半硬化状態のポ
ーラス層12a,12bが形成され、このポーラス層1
2a,12bと表皮層13a,13bとが積層された多
層構造を有する。そして、これら分割体11a,11b
は、未硬化のポーラス層12a,12bを形成して、こ
のポーラス層12a,12bを突き合せて接合するが、
図1に示すように接合部の近傍で表皮層13a,13b
の外面の一部に未硬化の部分を形成してこの部分に熱硬
化性樹脂20を表皮層13a,13bと面一となるよう
に盛り付ける。
One side of each of the divided bodies 11a and 11b is gradually pressed during molding, and semi-cured porous layers 12a and 12b are formed on this side.
It has a multi-layer structure in which 2a, 12b and skin layers 13a, 13b are laminated. And these division bodies 11a and 11b
Forms the uncured porous layers 12a and 12b and butt-joins the porous layers 12a and 12b.
As shown in FIG. 1, the skin layers 13a and 13b are formed near the joints.
An uncured portion is formed on a part of the outer surface of and the thermosetting resin 20 is placed on this portion so as to be flush with the skin layers 13a and 13b.

【0011】ここで、16はシリコンゴム等の耐熱ゴム
から成るシール部材であり、このシール部材16は分割
体11a,11bの接合時に接合部分に介設される。
Here, 16 is a seal member made of heat-resistant rubber such as silicon rubber, and this seal member 16 is provided at the joint portion when the divided bodies 11a and 11b are joined.

【0012】次に、突き合された分割体11a,11b
を上型17aと下型17bとによって加圧する。これら
上型17aと下型17bとには加熱棒18が配設され、
上型17aと下型17bとは成形時に加熱棒により加熱
されて分割体11a,11bを加熱しつつ加圧する。こ
の結果、分割体11a,11bは、接合部近傍の外面に
盛り付けられた熱硬化性樹脂20により接合され、また
同時にポーラス層12a,12bも硬化する。そして、
この後、排気管等を取り付けて排気消音器が完成する。
Next, the butted divided bodies 11a and 11b
Is pressed by the upper mold 17a and the lower mold 17b. A heating rod 18 is provided on the upper mold 17a and the lower mold 17b,
The upper mold 17a and the lower mold 17b are heated by a heating rod at the time of molding to press the divided bodies 11a and 11b while heating them. As a result, the divided bodies 11a and 11b are joined by the thermosetting resin 20 provided on the outer surface in the vicinity of the joined portion, and at the same time, the porous layers 12a and 12b are also cured. And
After that, the exhaust pipe is attached to complete the exhaust silencer.

【0013】このように製造される排気消音器は、無機
繊維と熱硬化性樹脂との複合材料から成る分割体11
a,11bが、接合部近傍で未硬化の部分を表皮層13
a,13bに盛り付けた熱硬化性樹脂を加熱・加圧する
ことで強固に接合されることになる。そのため、その接
合強度が接合部の表面粗さ等の影響を受けることも少な
く、製品としての品質が安定し、また、ボルトあるいは
リベット等を用いることなく接合でき、部品数の削減と
ともに組立作業の容易化が図れる。
The exhaust silencer manufactured in this manner has a divided body 11 made of a composite material of inorganic fibers and thermosetting resin.
a and 11b are the uncured portion near the joint and the skin layer 13
By heating and pressurizing the thermosetting resin placed on a and 13b, they are firmly joined. Therefore, the joint strength is less affected by the surface roughness of the joint, etc., the quality of the product is stable, and the joint can be made without using bolts or rivets, reducing the number of parts and assembling work. It can be facilitated.

【0014】[0014]

【発明の効果】以上説明したように、この発明にかかる
排気消音器の接合方法によれば、半硬化状態の接合部近
傍に熱硬化性樹脂を盛り付け、この熱硬化性樹脂を加熱
・加圧して熱硬化性樹脂により接合するため、接合面の
表面粗さの影響を受けずに大きな接合強度が得られ、製
品としての品質も安定する。
As described above, according to the method of joining the exhaust silencer of the present invention, the thermosetting resin is placed near the semi-cured joint, and the thermosetting resin is heated and pressurized. Since a thermosetting resin is used for bonding, a large bonding strength is obtained without being affected by the surface roughness of the bonding surface, and the quality of the product is stable.

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

【図1】この発明の実施例にかかる排気消音器の接合方
法の主要工程における樹脂成形体断面図
FIG. 1 is a sectional view of a resin molded body in a main step of a method of joining an exhaust silencer according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

11a,11b…分割体、12a,12b…ポーラス
層、13a,13b…表皮層、16…シール部材、17
a…上型、17b…下型、18…加熱棒、20…熱硬化
性樹脂。
11a, 11b ... Divided body, 12a, 12b ... Porous layer, 13a, 13b ... Skin layer, 16 ... Sealing member, 17
a ... upper mold, 17b ... lower mold, 18 ... heating rod, 20 ... thermosetting resin.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 B29L 22:00 (72)発明者 井上 健 埼玉県和光市中央1丁目4番1号 株式会 社本田技術研究所内 (72)発明者 中川 幸弘 愛知県春日井市東山町2丁目1番地9号─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Internal reference number FI Technical indication location B29L 22:00 (72) Inventor Ken Inoue 1-4-1 Chuo Wako-shi, Saitama Stock company (72) Inventor Yukihiro Nakagawa 2-1, Higashiyama-cho, Kasugai-shi, Aichi

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 熱硬化性樹脂を加熱かつ加圧して少なく
とも一部に未硬化の半硬化部を有する分割体を成形する
工程と、2つの分割体をそれぞれの半硬化部を突き合せ
るとともに突き合せ部の接合部近傍外面に熱硬化性樹脂
を盛り付け、この熱硬化性樹脂および各分割体の半硬化
部を加熱かつ加圧して熱硬化性樹脂を各半硬化部と一体
的に熱硬化させる工程とを備えることを特徴とする排気
消音器の接合方法。
1. A step of heating and pressurizing a thermosetting resin to form a divided body having an uncured semi-cured portion in at least a part, and two divided bodies are abutted together with their respective semi-cured portions abutted. A thermosetting resin is placed on the outer surface of the mating portion in the vicinity of the joint portion, and the thermosetting resin and the semi-cured portion of each divided body are heated and pressed to thermoset the thermosetting resin integrally with each semi-cured portion. An exhaust silencer joining method, comprising:
JP1198195A 1995-01-27 1995-01-27 Exhaust silencer joining method Expired - Lifetime JP2521419B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1198195A JP2521419B2 (en) 1995-01-27 1995-01-27 Exhaust silencer joining method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1198195A JP2521419B2 (en) 1995-01-27 1995-01-27 Exhaust silencer joining method

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP16148487A Division JPH0773882B2 (en) 1987-06-29 1987-06-29 Exhaust silencer joining method

Publications (2)

Publication Number Publication Date
JPH07323477A true JPH07323477A (en) 1995-12-12
JP2521419B2 JP2521419B2 (en) 1996-08-07

Family

ID=11792785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1198195A Expired - Lifetime JP2521419B2 (en) 1995-01-27 1995-01-27 Exhaust silencer joining method

Country Status (1)

Country Link
JP (1) JP2521419B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114193778A (en) * 2021-11-18 2022-03-18 淄博火炬能源有限责任公司 Continuous heat vulcanization integral compounding method of large-curved-surface composite silencer and silencer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114193778A (en) * 2021-11-18 2022-03-18 淄博火炬能源有限责任公司 Continuous heat vulcanization integral compounding method of large-curved-surface composite silencer and silencer
CN114193778B (en) * 2021-11-18 2023-05-05 淄博火炬能源有限责任公司 Continuous heat vulcanization integral compounding method of large curved surface compound muffler and muffler

Also Published As

Publication number Publication date
JP2521419B2 (en) 1996-08-07

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Effective date: 19960409