JPH11207826A - Manufacture of resin-made intake manifold - Google Patents
Manufacture of resin-made intake manifoldInfo
- Publication number
- JPH11207826A JPH11207826A JP10052636A JP5263698A JPH11207826A JP H11207826 A JPH11207826 A JP H11207826A JP 10052636 A JP10052636 A JP 10052636A JP 5263698 A JP5263698 A JP 5263698A JP H11207826 A JPH11207826 A JP H11207826A
- Authority
- JP
- Japan
- Prior art keywords
- intake manifold
- adhesive
- resin
- induction heating
- divided pieces
- 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
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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
- B29C66/5474—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes for making fork-shaped pieces, i.e. with 3 branches, e.g. Y-shaped pieces
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
- B29C65/3604—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint
- B29C65/3644—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the type of elements heated by induction which remain in the joint being a ribbon, band or strip
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/4835—Heat curing adhesives
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
- B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
- B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
- B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
- B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
- B29C65/3676—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being metallic
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/36—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction
- B29C65/3672—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint
- B29C65/3684—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" heated by induction characterised by the composition of the elements heated by induction which remain in the joint being non-metallic
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/749—Motors
- B29L2031/7492—Intake manifold
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、インテークマニホ
ールドの構成部分の分割片を高周波誘導加熱による接合
で樹脂製インテークマニホールドを一体化させて製造す
る方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a resin intake manifold by integrating divided pieces of intake manifold components by high-frequency induction heating.
【０００２】[0002]
【従来の技術】自動車用エンジンのインテークマニホー
ルドは、アルミダイキャストの溶接組立品が一般的であ
ったが、金属なので軽量化対策に対しては限度がある。
近年、これに代えて強くて軽いナイロン等の高分子樹脂
材料でインテークマニホールドを製造することが提案さ
れている。2. Description of the Related Art Intake manifolds for automobile engines are generally made of aluminum die-cast welded assemblies, but are limited in weight reduction measures because they are made of metal.
In recent years, instead of this, it has been proposed to manufacture an intake manifold from a strong and light polymer resin material such as nylon.
【０００３】インテークマニホールドを樹脂化する場
合、ブロー成型あるいは中子溶融成型等の成型方法を利
用できれば、製造工程が簡略化されかつコストダウンに
もなるので好都合である。しかし、インテークマニホー
ルドような中空構造を有する複雑な形状の成型では、各
構成部分を同時に均一な成型条件にすることは極めて困
難なので、成型条件の不揃いによる偏肉を生じて均一な
肉厚精度を得ることができない。従って、前述のブロー
成型あるいは中子溶融成型は、インテクマニホールドの
製造には不向きである。In the case where the intake manifold is made of resin, it is advantageous if a molding method such as blow molding or core melt molding can be used because the manufacturing process is simplified and the cost is reduced. However, when molding a complex shape having a hollow structure such as an intake manifold, it is extremely difficult to achieve uniform molding conditions for each component at the same time. I can't get it. Therefore, the above-mentioned blow molding or core melt molding is not suitable for manufacturing an in-tech manifold.
【０００４】そこで、樹脂製インテークマニホールド
は、均一条件で成型しやすい構成部分ごとに分割してイ
ンジェクション成型する。さらに、これらの複数個の分
割片を接合して、例えば分割片の接合面を接着剤や超音
波融着によって接合して、樹脂製インテークマニホール
ドの一体品を得る。[0004] Therefore, the resin intake manifold is injection-molded by dividing it into constituent parts which are easy to mold under uniform conditions. Further, the plurality of divided pieces are joined, and for example, the joining surfaces of the divided pieces are joined by an adhesive or ultrasonic fusion to obtain an integrated resin intake manifold.
【０００５】前述の超音波融着は、摩擦により接合面を
発熱させて融着させるので接合面の外側や内側にひげ状
のバリが表出しやすい。しかも、分割片の接合で形成さ
れる中空構造の内面側にバリが突出すると、インテーク
マニホールドの吸気ガスの流れの阻害物となり吸気効率
の低下につながり、またバリのかけらが内部に運ばれる
と各種制御用ポート等の目詰まり原因となる。また、接
合部の外側面にバリが突出すると、見栄えも悪いし組立
作業における障害物となる。[0005] In the above-mentioned ultrasonic welding, since the joint surface is heated and fused by friction, a whisker-like burr easily appears on the outside and inside of the joint surface. Moreover, if burrs protrude on the inner surface side of the hollow structure formed by joining the divided pieces, they will obstruct the flow of intake gas in the intake manifold, leading to a decrease in intake efficiency, and if fragments of burrs are carried inside, It may cause clogging of the control port. Also, if burrs protrude from the outer surface of the joint, the appearance is poor and it becomes an obstacle in the assembling work.
【０００６】接着剤による接合では、接着剤が硬化する
まで一定時間の間、接合部を均一に押さえつける治具で
仮固定する必要がある。また、樹脂の成形は収縮が発生
しやすいので、接合面は平滑な面でなく凹凸が生じてい
る。従って、接着剤の接合では接着力または気密性につ
いて信頼性が得られない。[0006] In bonding with an adhesive, it is necessary to temporarily fix the bonding portion with a jig that uniformly presses the bonding portion for a predetermined time until the adhesive is cured. In addition, since resin molding is liable to shrink, the joint surface is not a smooth surface but has irregularities. Therefore, the bonding of the adhesive does not provide reliability in terms of adhesive strength or airtightness.
【０００７】[0007]
【課題を解決するための手段】本発明は、樹脂製のイン
テークマニホールドの分割片の接合に関する前記課題を
解決するため、一方のインテークマニホールドの分割片
の接合面に高周波誘導発熱材料を連続して介在させ、他
方の分割片の接合面に加熱硬化する接着剤を連続して塗
布した後、双方の接合面同士を係合させるとともに、高
周波の交番磁界を印加して前記高周波誘導発熱材料を誘
導加熱させて、前記接着剤を硬化反応させて分割片を接
合する。According to the present invention, in order to solve the above-mentioned problem relating to the joining of the divided pieces of the intake manifold made of resin, a high-frequency induction heating material is continuously applied to the joining surface of the divided pieces of one intake manifold. After interposing and continuously applying a heat-curing adhesive to the joining surface of the other divided piece, the two joining surfaces are engaged with each other, and a high-frequency alternating magnetic field is applied to induce the high-frequency induction heating material. The adhesive is heated to cause a curing reaction of the adhesive, thereby joining the divided pieces.
【０００８】前記高周波誘導発熱材料は、特定の交番磁
界を印加することで渦電流もしくはヒステリシス損が生
じて発熱するような材料である。好ましくは、形状が薄
片、織布、または粉体のいずれかである導電性材料また
は磁性材料である。また、当該高周波誘導発熱材料は、
分割片の製造においてインサート成型法で前記分割片の
接合面に一体成型化で固定されていることが好ましい。The high-frequency induction heating material is a material which generates heat by generating an eddy current or a hysteresis loss when a specific alternating magnetic field is applied. Preferably, it is a conductive or magnetic material that is either flake, woven, or powder in shape. In addition, the high-frequency induction heating material,
In the production of the divided pieces, it is preferable that the divided pieces are fixed to the joining surfaces of the divided pieces by integral molding.
【０００９】前記接着剤はエポキシ樹脂接着剤で代表さ
れるような加熱硬化性の接着剤である。また、当該接着
剤に速硬化性を望むような場合には、当該接着剤の組成
物中に高周波誘導発熱材料を含めることができ、その一
例としてフェライト粉を含むエポキシ樹脂の接着剤組成
物を挙げることができる。The adhesive is a heat-curable adhesive represented by an epoxy resin adhesive. Further, in the case where the adhesive is desired to have a quick curing property, a high frequency induction heating material can be included in the composition of the adhesive, and an adhesive composition of an epoxy resin containing ferrite powder as an example thereof. Can be mentioned.
【００１０】具体的には、前記高周波誘導発熱材料の例
として、非磁性導電性金属の銅、アルミ、銀、カドミニ
ウム等、有機導電性材料のカーボン、グラファイト、ポ
リアニリン、ポリチオフェン等、導電性酸化物のフェラ
イト、酸化亜鉛、酸化錫、酸化鉄、酸化錫イットリウム
（ＩＴＯ）等、磁性金属のコバルト、ニッケル、鉄等が
挙げられる。Specifically, examples of the high-frequency induction heating material include conductive oxides such as non-magnetic conductive metals such as copper, aluminum, silver, and cadmium; and organic conductive materials such as carbon, graphite, polyaniline, and polythiophene. Magnetic metals such as ferrite, zinc oxide, tin oxide, iron oxide, and yttrium tin oxide (ITO), such as cobalt, nickel, and iron.
【００１１】これら高周波誘導発熱材料を一方の分割片
の接合面に連続して介在させる。連続でなければ、誘導
加熱による発熱の均一性を保てないからである。ここで
「連続」とは帯状または線状の形状を意味する。[0011] These high-frequency induction heating materials are continuously interposed on the joining surface of one of the divided pieces. If it is not continuous, uniformity of heat generation by induction heating cannot be maintained. Here, “continuous” means a band-like or linear shape.
【００１２】本発明の製造方法において、高周波誘導発
熱材料の発熱温度が分割片の樹脂の溶融温度より高くな
る場合は、当該高周波誘導発熱材料が分割片の接合面に
融着して一体化するので、製造後に高周波誘導発熱材料
の接触面から分割片が接合不良により脱離することはな
い。しかし、高周波誘導発熱材料の発熱温度が分割片の
樹脂の溶融温度より低い場合は、当該接合面の樹脂と高
周波誘導発熱材料は融着していないので剥がれやすくな
る。そこで、当該高周波発熱材料を分割片の接合面に物
理的に固定するために、分割片の製造において高周波誘
導発熱材料を接合面にインサートして一体化成型して、
予め分割片の接合面に高周波誘導発熱材料を融着させて
当該接合面に固定化させておくことが好ましい。In the manufacturing method of the present invention, when the heat-generating temperature of the high-frequency induction heating material is higher than the melting temperature of the resin of the divided pieces, the high-frequency induction heating material is fused and integrated with the joining surfaces of the divided pieces. Therefore, the divided piece does not detach from the contact surface of the high-frequency induction heating material due to poor bonding after manufacturing. However, when the heat generation temperature of the high-frequency induction heating material is lower than the melting temperature of the resin of the divided pieces, the resin on the bonding surface and the high-frequency induction heating material are not fused and thus easily peeled off. Therefore, in order to physically fix the high-frequency heating material to the joining surface of the divided pieces, in the manufacture of the divided pieces, the high-frequency induction heating material is inserted into the joining surface and integrally molded,
It is preferable that a high-frequency induction heating material is previously fused to the joining surface of the divided pieces and fixed to the joining surface.
【００１３】前記接着剤は加熱硬化性であることを特徴
とする。当該接着剤の速硬化性を望む場合には、前記高
周波発熱材料を接着剤組成物中に含めることができ、そ
の一例としてフェライト粉を含むエポキシ樹脂の接着剤
組成物が挙げられる。エポキシ樹脂は、一分子中に２個
以上のエポキシド基を有するものであればいかなるのも
のであってよく、例えばビスフェノールＡ、ビスフェノ
ールＦなどの多価フェノールや、グリセリンなどの多価
アルコールとエピクロルヒドリンとの反応で得られるポ
リグリシジルエーテル、ポリカルボン酸から得られるポ
リグシジルエステル、エポキシ化ノボラック、さらには
過酸化で得られる脂環式エポキシ樹脂等が挙げられる。
またＣＴＢＮ変性エポキシ樹脂、ウレタン変性エポキシ
樹脂等の変性エポキシ樹脂も用いることができる。[0013] The adhesive is heat-curable. If the adhesive is desired to be rapidly curable, the high-frequency heating material can be included in the adhesive composition, and an example thereof is an epoxy resin adhesive composition containing ferrite powder. The epoxy resin may be any as long as it has two or more epoxide groups in one molecule. Examples thereof include polyphenols such as bisphenol A and bisphenol F, and polyhydric alcohols such as glycerin and epichlorohydrin. And polyglycidyl esters obtained from polycarboxylic acids, epoxidized novolaks, and alicyclic epoxy resins obtained by peroxidation.
Modified epoxy resins such as CTBN-modified epoxy resin and urethane-modified epoxy resin can also be used.
【００１４】また、当該接着剤の構成成分である熱活性
化型硬化剤としては、ジシアンアミド、４，４−ジアミ
ニジフェニルメタン、２−ｎ−ヘプタデシルイミダゾー
ルなどのイミダゾール誘導体、イソフタル酸ジヒドラジ
ド、Ｎ，Ｎ−ジアルキルチオ尿素誘導体、テトラヒドロ
無水フタル酸などの酸無水物、イソホロンジアミン、ｍ
−フェニレンジアミン、Ｎ−アミノエチルピペリジン、
メラミン、グアナミン、三フッ化ホウ素錯化合物、トリ
スジメチルアミノフェノールなどがあげられ、これら１
種類を用いてよいが２種類以上の混合物として用いても
よい。高温時の硬化性が優れかつ均一な硬化物特性が得
られやすい熱活性化硬化剤として、イミダゾール系化合
物が挙げられる。The heat-activatable curing agent which is a component of the adhesive includes imidazole derivatives such as dicyanamide, 4,4-diaminidiphenylmethane, 2-n-heptadecylimidazole, isophthalic acid dihydrazide, N, N-dialkylthiourea derivatives, acid anhydrides such as tetrahydrophthalic anhydride, isophoronediamine, m
-Phenylenediamine, N-aminoethylpiperidine,
Melamine, guanamine, boron trifluoride complex compound, trisdimethylaminophenol and the like.
Although a kind may be used, it may be used as a mixture of two or more kinds. An imidazole compound is an example of a heat-activated curing agent that has excellent curability at high temperatures and easily provides uniform cured product characteristics.
【００１５】この接着剤に所望に応じて添加されるもの
として可塑剤、希釈剤、安定剤、無機もしくは有機充填
材、着色剤、酸化防止剤、紫外線防止剤などを用いるこ
とができる。さらには、弾性体の粒子たとえばアクリル
やスチレンなどのブロック重合体の一種であるコアーシ
ェルポリマーを添加して、剥離接着強度の高い「第三世
代エポキシ接着剤」を接着剤組成物にしてもよい。[0015] Plasticizers, diluents, stabilizers, inorganic or organic fillers, coloring agents, antioxidants, ultraviolet inhibitors, and the like can be used as needed to be added to the adhesive. Furthermore, by adding a core-shell polymer which is a kind of a block polymer such as acrylic or styrene, for example, an elastic particle, a "third generation epoxy adhesive" having a high peel adhesive strength may be used as an adhesive composition. .
【００１６】当該接着剤は、誘導加熱により他方の接合
面に介在する前記高周波誘導発熱材料の発熱により加熱
硬化する。さらに、当該接着剤の成分中に粉体状の高周
波誘導発熱材料が添加されている場合は、成分中の当該
高周波誘導発熱材料も同様に発熱するので当該接着剤の
硬化を速められる。ここで、印加する交番磁界の周波数
は、フェライトではＭＨｚレベルを必要とし、導電性金
属ではｋＨｚレベルが一般的に利用される。なお、誘導
加熱による硬化条件としては２３０℃で２５秒以下が好
ましい。The adhesive is heated and hardened by the heat of the high frequency induction heating material interposed on the other joint surface by the induction heating. Further, when a powdery high-frequency induction heat-generating material is added to the components of the adhesive, the high-frequency induction heat-generating material in the components also generates heat, so that the curing of the adhesive is accelerated. Here, the frequency of the alternating magnetic field to be applied requires a MHz level for ferrite, and a kHz level for conductive metals is generally used. The curing condition by induction heating is preferably 230 ° C. for 25 seconds or less.
【００１７】インテークマニホールドの分割片を形成す
るための樹脂としては、耐熱性、強度などの点から、６
ナイロン、６，６ナイロン、芳香族ポリアミド、これら
の共重合体などのポリアミド樹脂、ポリフェニレンサル
ファイド樹脂、ポリブチレンテレフタレート樹脂、ポリ
エチレンテレフタレート樹脂などのポリエステル樹脂、
さらに各種樹脂のポリマーアロイなど、あるいフェノー
ル樹脂に代表される熱硬化性樹脂でもよい。また、ガラ
ス繊維もしくはカーボン繊維を０〜６０重量％、好まし
くは２０〜５０重量％程度混入した繊維強化樹脂を使用
してもよい。As a resin for forming the divided pieces of the intake manifold, from the viewpoints of heat resistance, strength and the like, 6
Nylon, 6,6 nylon, aromatic polyamide, polyamide resins such as copolymers thereof, polyester resins such as polyphenylene sulfide resin, polybutylene terephthalate resin, polyethylene terephthalate resin,
Further, a thermosetting resin represented by a phenol resin such as a polymer alloy of various resins may be used. Further, a fiber reinforced resin in which glass fiber or carbon fiber is mixed at about 0 to 60% by weight, preferably about 20 to 50% by weight may be used.
【００１８】[0018]
【発明の効果】本発明では、一方の分割片の接合面に介
在させる高周波発熱材料を、あるいは接着剤に混入させ
た高周波発熱材料とともに、誘導加熱で発熱させて前記
接着剤を加熱硬化させて分割片を接合する。このため、
高周波加熱により分割片の樹脂のみを溶融させて融着す
る従来の接合方法に比べて、本発明では誘導加熱の装置
の交番磁界発生部の形状を単純化することができる、さ
らに、分割片を合わせた接合部分の厚みが均一でなくと
も磁束密度の変化よる影響が小さいので接合強度のムラ
が生じにくい利点がある。According to the present invention, the adhesive is heated and hardened by induction heating with the high-frequency heating material interposed in the joining surface of one of the divided pieces or together with the high-frequency heating material mixed in the adhesive. Join the split pieces. For this reason,
Compared with the conventional joining method in which only the resin of the divided pieces is melted and fused by high-frequency heating, in the present invention, the shape of the alternating magnetic field generating portion of the induction heating device can be simplified. Even if the thickness of the joined portions is not uniform, there is an advantage that unevenness in the joining strength is less likely to occur because the influence of the change in the magnetic flux density is small.
【００１９】誘導加熱による高周波発熱材料の発熱で接
合面は他の箇所に比べ高温になりやすく、特に分割片の
成型時の生じた薄膜状のバリは容易に溶融する。この溶
融し液化した樹脂は、接合面同士の間隙を埋めてその表
面を滑らかして吸気ガスの流体抵抗の低くしたり接合面
同士の気密性アップの作用に働く。Due to the heat generated by the high-frequency heating material due to the induction heating, the joining surface is likely to be heated to a higher temperature than at other portions, and in particular, the thin-film burrs generated during molding of the divided pieces are easily melted. The melted and liquefied resin fills the gap between the joining surfaces and smoothes the surface to reduce the fluid resistance of the intake gas and to increase the airtightness between the joining surfaces.
【００２０】[0020]
【発明の実施の形態】以下、本発明の一実施例を以下に
説明する。なお、本発明はこの実施例の範囲に限定され
るものではない。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. The present invention is not limited to the scope of this embodiment.
【００２１】実施例１として、インレットマニホールド
の分割片の接合面より小さい寸法でかつ同形の形状に打
ち抜かれた０．３ミリの鉄板を、射出成型用の分割片の
コア金型側にインサートしておき、他方のキャビティ金
型側にナイロン６樹脂（商品名ノバミッド１０１０、三
菱エンジニアリング社製）を射出成型して、当該鉄板を
インサート成型で一方の接合面に固定された分割片を製
造した。他方のインテークマニホールド分割片は同樹脂
でインジェクション成型で製造して、一対の分割片セッ
トを用意した。In Example 1, a 0.3 mm iron plate having a smaller size than the joining surface of the split pieces of the inlet manifold and punched into the same shape is inserted into the core mold side of the split piece for injection molding. In advance, a nylon 6 resin (trade name: Novamid 1010, manufactured by Mitsubishi Engineering Corporation) was injection-molded on the other cavity mold side, and a split piece in which the iron plate was fixed to one joint surface by insert molding was manufactured. The other intake manifold split piece was manufactured by injection molding using the same resin, and a pair of split piece sets was prepared.
【００２２】実施例２として、前記の６ナイロン樹脂に
換えて熱硬化性樹脂のフェノール樹脂で同様な操作で一
対の分割片セットを用意した。In Example 2, a pair of split pieces was prepared by the same operation using a phenol resin as a thermosetting resin instead of the above-mentioned 6 nylon resin.
【００２３】分割片を接合するための接着剤として、ア
クリルゴム粒子をエポキシ樹脂中に分散させて構造用接
着用のエポキシ樹脂（商品名ＢＰＦ３０７、日本触媒
製）１００重量部と、硬化剤のジシアンジアミド（商品
名ＤＩＣＹ、ＡＣＩ社製）８重量部と、イミダゾール系
促進剤（商品名Ｂ６０５ＩＭ、大日本インキ社製）４重
量部、充填材の溶融シリカ（商品名アエロジル２００、
デクッサ社製）２重量部を混合し調製した。この接着剤
組成物を、金属片がインサートされていない分割片の接
合面に塗布しておいた。As an adhesive for joining the divided pieces, 100 parts by weight of an epoxy resin (trade name: BPF307, manufactured by Nippon Shokubai Co., Ltd.) for dispersing acrylic rubber particles in an epoxy resin and dicyandiamide as a curing agent 8 parts by weight (trade name: DICY, manufactured by ACI), 4 parts by weight of imidazole accelerator (trade name: B605IM, manufactured by Dainippon Ink Co., Ltd.), and fused silica filler (trade name: Aerosil 200,
2 parts by weight of Dexsa). This adhesive composition was applied to the joint surfaces of the divided pieces on which the metal pieces were not inserted.
【００２４】図２に中に示すように、誘導加熱装置を用
いて、周波数３０ｋＨｚ、出力１２０Ｋｗ、印加時間２
０秒間、分割片を５０ｋｇ／ｃｍ２で押さえつけながら
接合面に交番磁界を印加した。このとき、一方の分割片
の接合面にインサートされた鉄板は発熱して、他方の分
割片に塗布された接着剤を加熱硬化させる。従って、イ
ンーテクマニホールドの一体化が短時間で可能になる。As shown in FIG. 2, using an induction heating device, a frequency of 30 kHz, an output of 120 Kw, and an application time of 2
During 0 seconds, an alternating magnetic field was applied to the joint surface while pressing the divided piece at 50 kg / cm 2 . At this time, the iron plate inserted into the joint surface of one of the divided pieces generates heat, and heats and cures the adhesive applied to the other divided piece. Therefore, the in-tech manifold can be integrated in a short time.
【００２５】当該インテークマニホールドの性能を評価
するために、４００ｋＰａの水圧をかけて水漏れの有無
を確認した。さらに、接合面の接着強度については、分
割片の中心部に穴をあけて、そこにフックをひっかけて
１０ｍｍ／分で引っ張って、接合面が割れる時の引っ張
り強度を測定した。また、引き裂かれた分割片の接合面
を黙視評価した。当該その結果を、表１に示す。In order to evaluate the performance of the intake manifold, a water pressure of 400 kPa was applied to check the presence or absence of water leakage. Further, regarding the bonding strength of the joining surface, a hole was made in the center of the divided piece, a hook was hooked there and pulled at 10 mm / min, and the tensile strength when the joining surface was cracked was measured. In addition, the joint surfaces of the torn split pieces were evaluated silently. The results are shown in Table 1.
【００２６】[0026]
【表１】 [Table 1]
【図１】２つ割りの分割インテークマニホールドFIG. 1 Split intake manifold divided into two
【図２】誘導加熱装置FIG. 2 Induction heating device
１．インテークマニホールド ２．分割片 ３．高周波誘導発熱材料 ４．接着剤 ５．誘導加熱装置 ６．接合面 1. Intake manifold 2. Split pieces 3. 3. High frequency induction heating material Adhesive 5. Induction heating device 6. Joint surface
フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｂ２９Ｌ 31:30 Continued on the front page (51) Int.Cl. 6 Identification code FI B29L 31:30
Claims (6)
る分割片を接合して形成される中空構造を有する樹脂製
インテークマニホールドを製造するにあたって、一方の
インテークマニホールドの分割片の接合面に高周波誘導
発熱材料を連続して介在させ、他方の分割片の接合面に
加熱硬化する接着剤を連続して塗布した後、双方の接合
面同士を係合させるとともに、高周波の交番磁界を印加
して前記高周波誘導発熱材料を誘導加熱させて、前記接
着剤を硬化反応させて分割片を接合することを特徴とす
る樹脂製インテークマニホールドの製造方法。When manufacturing a resin intake manifold having a hollow structure formed by joining divided pieces that are constituent parts of an intake manifold, a high-frequency induction heating material is applied to a joining surface of the divided pieces of one intake manifold. After continuously applying an adhesive that is heat-cured to the joining surface of the other divided piece, the two joining surfaces are engaged with each other, and the high-frequency alternating magnetic field is applied by applying a high-frequency alternating magnetic field. A method for producing a resin intake manifold, wherein a material is induction-heated to cause a curing reaction of the adhesive, thereby joining the divided pieces.
たは磁性材料のいずれかであって、前記分割片の製造に
おいてインサート成型法で当該分割片の接合面に一体成
型化で固定されていることを特徴とする請求項１に記載
の樹脂製インテークマニホールドの製造方法。2. The high-frequency induction heating material is either a conductive material or a magnetic material, and is fixed to the joining surface of the divided pieces by integral molding in the manufacture of the divided pieces. The method for producing a resin intake manifold according to claim 1, wherein:
成型法により前記分割片の接合面と一体成型化される導
電性材料であって、かつその形状が薄片、織布または粉
体のいずれかであることを特徴とする請求項１に記載の
樹脂製インテークマニホールドの製造方法。3. The high-frequency induction heating material is a conductive material integrally formed with a joining surface of the divided pieces by an insert molding method, and has a shape of any of a thin piece, a woven cloth, and a powder. The method for manufacturing a resin intake manifold according to claim 1, wherein:
成型法により前記分割片の接合面と一体成型化される磁
性材料の粉体であることを特徴とする請求項１に記載の
樹脂製インテークマニホールドの製造方法。4. The resin-made intake manifold according to claim 1, wherein the high-frequency induction heat-generating material is a powder of a magnetic material that is integrally formed with a joining surface of the divided pieces by an insert molding method. Manufacturing method.
む組成物であることを特徴とする請求項１に記載の樹脂
製インテークマニホールドの製造方法。5. The method for manufacturing a resin intake manifold according to claim 1, wherein the adhesive is a composition containing a high-frequency induction heating material.
キシ樹脂の組成物であることを特徴とする請求項１に記
載の樹脂製インテークマニホールドの製造方法。6. The method for producing a resin intake manifold according to claim 1, wherein the adhesive is a composition of an epoxy resin containing ferrite powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10052636A JPH11207826A (en) | 1998-01-28 | 1998-01-28 | Manufacture of resin-made intake manifold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10052636A JPH11207826A (en) | 1998-01-28 | 1998-01-28 | Manufacture of resin-made intake manifold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11207826A true JPH11207826A (en) | 1999-08-03 |
Family
ID=12920322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10052636A Pending JPH11207826A (en) | 1998-01-28 | 1998-01-28 | Manufacture of resin-made intake manifold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11207826A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002081899A1 (en) * | 2001-04-04 | 2002-10-17 | Dow Global Technologies Inc. | Adhesively bonded engine intake manifold assembly |
| WO2003063548A3 (en) * | 2001-07-03 | 2004-02-26 | Tribond Inc | Induction heating using dual susceptors |
| JP2007237519A (en) * | 2006-03-07 | 2007-09-20 | Yokohama Rubber Co Ltd:The | Resin accumulating piping and its manufacturing method |
| JP2009197189A (en) * | 2008-02-25 | 2009-09-03 | Torisumi Shuseizai Kk | Adhesive composition and method for producing laminate using the same |
| JP2010006908A (en) * | 2008-06-25 | 2010-01-14 | Denso Corp | Adhesive, adhered structure and high-frequency dielectric heating adhesion device |
| JP2010173265A (en) * | 2009-01-30 | 2010-08-12 | Denso Corp | Adhesive structure and method for manufacturing the same and manufacturing apparatus |
-
1998
- 1998-01-28 JP JP10052636A patent/JPH11207826A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002081899A1 (en) * | 2001-04-04 | 2002-10-17 | Dow Global Technologies Inc. | Adhesively bonded engine intake manifold assembly |
| US6543404B2 (en) | 2001-04-04 | 2003-04-08 | Dow Global Technologies, Inc. | Adhesively bonded engine intake manifold assembly |
| US6739302B2 (en) * | 2001-04-04 | 2004-05-25 | Dow Global Technologies, Inc. | Adhesively bonded engine intake manifold assembly |
| CN100334343C (en) * | 2001-04-04 | 2007-08-29 | 陶氏环球技术公司 | Adhesively bonded engine intake manifold assembly |
| KR100808355B1 (en) | 2001-04-04 | 2008-02-27 | 다우 글로벌 테크놀로지스 인크. | Adhesively bonded engine intake manifold assembly |
| WO2003063548A3 (en) * | 2001-07-03 | 2004-02-26 | Tribond Inc | Induction heating using dual susceptors |
| JP2007237519A (en) * | 2006-03-07 | 2007-09-20 | Yokohama Rubber Co Ltd:The | Resin accumulating piping and its manufacturing method |
| JP2009197189A (en) * | 2008-02-25 | 2009-09-03 | Torisumi Shuseizai Kk | Adhesive composition and method for producing laminate using the same |
| JP2010006908A (en) * | 2008-06-25 | 2010-01-14 | Denso Corp | Adhesive, adhered structure and high-frequency dielectric heating adhesion device |
| JP2010173265A (en) * | 2009-01-30 | 2010-08-12 | Denso Corp | Adhesive structure and method for manufacturing the same and manufacturing apparatus |
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