JPH0677820B2 - Manufacturing method of aluminum laminated oil cooler - Google Patents
Manufacturing method of aluminum laminated oil coolerInfo
- Publication number
- JPH0677820B2 JPH0677820B2 JP63103233A JP10323388A JPH0677820B2 JP H0677820 B2 JPH0677820 B2 JP H0677820B2 JP 63103233 A JP63103233 A JP 63103233A JP 10323388 A JP10323388 A JP 10323388A JP H0677820 B2 JPH0677820 B2 JP H0677820B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- casing
- base
- oil cooler
- oil
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0012—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the apparatus having an annular form
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は車両用のアルミニューム製オイルクーラであっ
て、特にエンジンの外面に着脱自在に取付けられるもの
にかかり、ケーシングとコアとを一体化したものを量産
するための製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an aluminum oil cooler for a vehicle, and more particularly to an oil cooler that is detachably attached to an outer surface of an engine, in which a casing and a core are integrated. The present invention relates to a manufacturing method for mass-produced products.
従来、積層型のオイルクーラとして、そのコアエレメン
トと、その外周を被嵌するケーシングとが一体的に形成
されていたものは、ステンレス鋼板よりなるものであっ
た。これは予め、各エレメント表面に銅ろうをクラッド
しておき、各部品を組立てコアを形成すると共に、その
外周にケーシングを被嵌し、全体を高温の炉内に挿入し
ていた。この銅ろうは高温で溶融するため炉内温度を11
00℃前後に保っていた。そのため、各部品は内部迄十分
加熱され、その接合部を液密にろう付けすることができ
た。Conventionally, as a laminated type oil cooler, a core element and a casing that fits the outer periphery of the oil element are integrally formed of a stainless steel plate. In this method, copper brazing is clad on the surface of each element in advance, each part is assembled to form a core, and a casing is fitted around the core, and the whole is inserted into a high temperature furnace. This copper braze melts at a high temperature, so the temperature inside the furnace is 11
It was kept around 00 ℃. Therefore, each part was sufficiently heated to the inside, and the joint part could be brazed liquid-tightly.
ところが、アルミニューム製のオイルクーラは、そのろ
う材となるクラッド材がベースメタルより５℃〜10℃程
低温で溶融するものを用い、且つ真空炉の炉内温度を61
0℃〜615℃に保って、各部品間をろう付け固定する必要
があった。従って、前記ステンレス製オイルクーラに比
較し、炉内温度が低いため、コアとケーシングとを一体
に組立てた状態では、部品各部のろう材が完全に溶融し
ない虞れがあった。そのためケーシングとコアとは夫々
別体にしてろう付けし、両者を組み立てることによりオ
イルクーラを構成していた。However, for the oil cooler made of aluminum, a clad material that is a brazing material is used that melts at a temperature of 5 ° C to 10 ° C lower than the base metal, and the furnace temperature of the vacuum furnace is 61 ° C.
It was necessary to maintain the temperature between 0 ° C and 615 ° C and fix each component by brazing. Therefore, since the temperature inside the furnace is lower than that of the stainless oil cooler, the brazing filler metal in each part of the component may not be completely melted when the core and the casing are integrally assembled. Therefore, the casing and the core are brazed separately and assembled to form an oil cooler.
このようなアルミニューム製のオイルクーラは、その製
造が面倒である欠点があった。Such an aluminum oil cooler has a drawback that its manufacture is troublesome.
そこで本発明は、ケーシングとコアとを可能な限り一体
的に組み立てる。即ち、ケーシングの一部とコア全体と
を一体的にろう付け固定し、そのケーシングの一部と他
のケーシング部分とを後に溶接し、その溶接部分の作業
を容易に且つ、少なく行うことができるように工夫し、
その量産性を向上させることができる製造方法を提供し
たものであり、その構成は次の通りである。Therefore, the present invention assembles the casing and the core as integrally as possible. That is, a part of the casing and the whole core are integrally brazed and fixed, and a part of the casing and another casing part are welded later, and the work of the welded part can be easily and lessened. Devised so that
The present invention provides a manufacturing method capable of improving the mass productivity, and the structure thereof is as follows.
即ち、偏平なケーシング基部10aの中心孔の縁部に筒状
体27の一端を当接させ、平面外周が前記基部10aのそれ
より小に形成されて少なくとも一方の周縁が立ち上げら
れた一対のプレートで偏平なドーナツ形のエレメントを
構成し、複数の前記エレメントを前記基部10a上に積層
してコア４を構成し、互いに接触する部品は少なくとも
一方にろう材をクラッドしたアルミニューム又はその合
金材が予め被覆された部品を用い、それらの各部品を組
み立てる内部構造組立工程と、 組立てられた前記内部構造の各部品間を高温の真空炉内
で一体的にろう付け固定して、前記コア４及びそれと前
記基部10aならびに筒状体27間を接合する工程と、 前記コア４を被嵌するケーシング本体10bの下端開口縁
を前記基部10a周縁に載置してその継ぎ目を溶接すると
共に、該本体10bの上端中心孔の孔縁部と前記筒状体27
の上端縁とを溶接する工程と、 を具備するものである。That is, one end of the tubular body 27 is brought into contact with the edge of the center hole of the flat casing base 10a, and the outer periphery of the plane is formed smaller than that of the base 10a so that at least one peripheral edge is raised. The plate constitutes a flat donut-shaped element, and the core 4 is constituted by laminating a plurality of the elements on the base portion 10a, and the parts contacting each other are aluminum or its alloy material in which at least one is clad with a brazing material. Are assembled in advance, and the internal structure is assembled by assembling the respective parts, and the assembled parts of the internal structure are integrally brazed and fixed in a high-temperature vacuum furnace to form the core 4 And a step of joining it to the base portion 10a and the tubular body 27, and placing the lower end opening edge of the casing body 10b in which the core 4 is fitted on the peripheral edge of the base portion 10a and welding the joint. Upper central hole hole edge portion and the tubular body of the body 10b 27
And a step of welding the upper edge of the.
次に図面に基づいて本発明の実施例につき説明する。 Next, an embodiment of the present invention will be described with reference to the drawings.
この実施例のオイルクーラは、アルミニューム又はその
合金からなりコア４とそれを被弊するケーシング10とそ
れらの中心に挿通される中空ボルト14とを有する。コア
４は多数のエレメント３の積層体からなる。このエレメ
ント３は第７図に示す如く上下一対の皿状アルミニュー
ム金属板を互いに逆向きに重ね合わせ、その外周縁同志
及び中心に穿設されたボルト挿通孔１の内周縁同志を互
いに液密に接合する。なお夫々の金属板は一対の冷却水
連通孔２が設けられ、それらの間に仕切部19が形成され
る。従ってエレメント３の内部を一方の冷却水連通孔２
から他方の冷却水連通孔２に第８図に示す如く冷却水18
が流通するものである。そして夫々のエレメント3,3の
外面間にはフィン16が介装され、夫々のエレメント３は
冷却水連通孔２の周縁部で互いに液密に接合される。そ
れと共に、エレメント３の外面間には前記のフィン16が
ろう付けされる。なお、コア４の各部分のろう付け時に
は第２図に示す如く、先ずコア４を構成する夫々の金属
板とケーシング10の基部10a及び筒状体27及び冷却水パ
イプ７が一体的に真空炉においてろう付け固定される。
またケーシング10の本体10bは第１図に示すような状態
で一体的にろう付け固定される。即ち、筒状のケーシン
グ本体10bに上蓋部28が被着され両者がろう付けされ
る。そして基部10aと本体10bとを重ね合わせその重ね合
わせの接合部同志をティグ溶接により液密に接合すると
共に、本体10bの上端中心孔と筒状体27の上縁とをティ
グ溶接するものである。The oil cooler of this embodiment has a core 4 made of aluminum or an alloy thereof, a casing 10 that damages the core 4, and a hollow bolt 14 inserted in the center of the casing 10. The core 4 is composed of a laminated body of many elements 3. As shown in FIG. 7, the element 3 is formed by stacking a pair of upper and lower dish-shaped aluminum metal plates in mutually opposite directions, and the outer peripheral edge of the plate and the inner peripheral edge of the bolt insertion hole 1 formed at the center thereof are liquid-tight to each other. To join. In addition, each metal plate is provided with a pair of cooling water communication holes 2, and a partition 19 is formed between them. Therefore, the inside of the element 3 is connected to one of the cooling water communication holes 2
To the other cooling water communication hole 2 as shown in FIG.
Is distributed. A fin 16 is interposed between the outer surfaces of the respective elements 3, 3 and the respective elements 3 are liquid-tightly joined to each other at the peripheral portion of the cooling water communication hole 2. At the same time, the fin 16 is brazed between the outer surfaces of the element 3. When brazing the respective parts of the core 4, first, as shown in FIG. 2, the respective metal plates constituting the core 4, the base 10a of the casing 10, the cylindrical body 27 and the cooling water pipe 7 are integrated into a vacuum furnace. Is fixed by brazing at.
The main body 10b of the casing 10 is integrally brazed and fixed in the state shown in FIG. That is, the cylindrical casing body 10b is covered with the upper lid portion 28 and both are brazed. Then, the base portion 10a and the main body 10b are superposed and the superposed joint portions are liquid-tightly joined by TIG welding, and the upper end center hole of the main body 10b and the upper edge of the tubular body 27 are TIG welded. .
このようにろう付けの際にケーシング10の基部10aと本
体10bとを分離し、真空ろう付けする理由は、炉内輻斜
熱をコア内部にゆき渡らせ、各金属板外周面に予め被覆
さたろう材を速やかに溶融させ、各金属板同志を確実に
接合させると共に、ろう材溶融の際の発生ガスを円滑に
コア外に流出させる必要があるからである。次にこのケ
ーシング10は、その平面が第６図に示す如く形成され、
ほぼ中心に対し左半分がほぼ方形の一部を形成し、右半
分が半円形に形成されている。そして内部には第９図に
示す如く横断面半円形の仕切板26が左側に設けられ、そ
れにより内部を筒状に区切ると共に、その上下端を閉塞
する。そしてそこにコア収納部５を設ける。又、仕切板
26の外面側には三角形の二つの空間が形成され、そこに
オイルバイパス路６を構成する。又ケーシング10の上面
及び下面には夫々オイル流通孔8,9が第５図の如く穿設
されると共に、オイル流通孔8,9に対向してケーシング
内に夫々オイルのタンク部が形成される。又ケーシング
10の中心部には筒状体27が設けられ、この筒状体27の外
周に多数の孔が穿設されている。又、基部10aの下端面
にはＯリング20が嵌着される。さらに、ケーシング10の
外周には一対の冷却水パイプ７が設けられ、その開口端
がコア４の夫々の冷却水連通孔２に連通する。このよう
にして製造された本オイルクーラは、第10図の如くケー
シング10をエンジン22に中空ボルト14のフランジ部15を
介して締結する。次いでこの中空ボルト14の上端にオイ
ルフィルタ21を螺着締結するものである。しかして冷却
水18が一方の冷却水パイプ７から各コア４の冷却水連通
孔２を介して各エレメント内に流入し、第８図に示す如
く流通し他方の冷却水パイプ７よりそれが流出される。
次にオイル17は第10図に示す如くケーシング10下端のオ
イル流通孔８より流入しオイルバイパス路６を流通して
上端のオイル流通孔９よりオイルフィルタ21に入りその
外周から内周に流通し次いで中空ボルト14内に流入す
る。そして中空ボルト14の仕切り12の上部側のオイル孔
13よりコア収納部５内に流入し、コア４の外周から内周
に向かって第９図の如く流通し、中空ボルト14の下部の
オイル孔13よりエンジン22に還流するものである。The reason for separating the base portion 10a and the main body 10b of the casing 10 during the brazing in this way and vacuum brazing is that the radiant heat in the furnace is spread to the inside of the core and the outer peripheral surface of each metal plate is pre-coated. This is because it is necessary to melt the brazing filler metal promptly so as to reliably bond the metal plates to each other and to allow the gas generated during the melting of the brazing filler metal to smoothly flow out of the core. Next, the casing 10 has a plane formed as shown in FIG.
The left half forms a part of a substantially rectangular shape with respect to the center, and the right half forms a semicircle. As shown in FIG. 9, a partition plate 26 having a semicircular cross section is provided on the left side in the inside, thereby partitioning the inside into a tubular shape and closing the upper and lower ends thereof. And the core storage part 5 is provided there. Also, a partition plate
On the outer surface side of 26, two triangular spaces are formed, and the oil bypass path 6 is formed therein. Oil passage holes 8 and 9 are formed on the upper and lower surfaces of the casing 10 as shown in FIG. 5, and oil tank portions are formed in the casing so as to face the oil passage holes 8 and 9, respectively. . Again casing
A tubular body 27 is provided in the central portion of 10, and a large number of holes are formed in the outer periphery of the tubular body 27. An O-ring 20 is fitted on the lower end surface of the base 10a. Further, a pair of cooling water pipes 7 is provided on the outer periphery of the casing 10, and the open ends thereof communicate with the respective cooling water communication holes 2 of the core 4. In the oil cooler thus manufactured, the casing 10 is fastened to the engine 22 through the flange portion 15 of the hollow bolt 14 as shown in FIG. Next, the oil filter 21 is screwed and fastened to the upper end of the hollow bolt 14. Then, the cooling water 18 flows into each element from one cooling water pipe 7 through the cooling water communication hole 2 of each core 4, flows as shown in FIG. 8, and flows out from the other cooling water pipe 7. To be done.
Next, as shown in FIG. 10, the oil 17 flows in through the oil circulation hole 8 at the lower end of the casing 10, flows through the oil bypass path 6, enters the oil filter 21 through the oil circulation hole 9 at the upper end, and flows from the outer circumference to the inner circumference. Then, it flows into the hollow bolt 14. And the oil hole on the upper side of the partition 12 of the hollow bolt 14
It flows into the core accommodating portion 5 from 13 and flows from the outer circumference of the core 4 toward the inner circumference as shown in FIG. 9, and flows back to the engine 22 through the oil hole 13 below the hollow bolt 14.
本発明の製造方法は以上のような構成としたので、アル
ミニューム製各部品間のいわゆるガス抜けを良好にしつ
つ、高温の真空炉内で一体的にコア４及び該コア４とケ
ーシング基部10aとの間をろう付けすることができる。
そして、それらとケーシング本体10bとの間を溶接する
ことにより、わずかの溶接作業で信頼性の高いオイルク
ーラを量産することができる。又その溶接部はケーシン
グ本体10bの開口縁であるため作業が容易で且つ確実に
液密性を保つことができる。Since the manufacturing method of the present invention has the above-described configuration, the core 4 and the core 4 and the casing base 10a are integrally formed in a high-temperature vacuum furnace while improving so-called gas escape between the aluminum parts. You can braze the space between them.
Then, by welding between them and the casing body 10b, a highly reliable oil cooler can be mass-produced with a little welding work. Further, since the welded portion is the opening edge of the casing body 10b, the work is easy and the liquid tightness can be surely maintained.
第１図及び第２図は本発明のオイルクーラの製造方法を
実施する際に夫々一体的にろう付けすべき夫々の部分を
示す縦断面図、第３図は第２図の平面図、第４図は第６
図のIII−III矢視断面図、第５図は第６図のIV−IV矢視
断面図、第６図は本オイルクーラの要部平面図、第７図
は同オイルクーラのコア４を構成するエレメント３の分
解説明図、第８図は同オイルクーラの冷却水18の流通路
を示す説明図、第９図は同オイル17の流通路を示す説明
図、第10図は本発明の方法により製造されたオイルクー
ラの縦断面図。 １……ボルト挿通孔、２……冷却水連通孔 ３……エレメント、４……コア ５……コア収納部、６……オイルバイパス路 ７……冷却水パイプ、8,9……オイル流通孔 10……ケーシング 10a……ケーシング基部、10b……ケーシング本体 11……ネジ部 12……仕切り、13……オイル孔 14……中空ボルト、15……フランジ部 16……フィン、17……オイル 18……冷却水、19……仕切部 20……Ｏリング、21……オイルフィルタ 22……エンジン、23……冷却水流通路 24……オイル流通路、25……ティグ溶接部 26……仕切板、27……筒状体 28……上蓋部1 and 2 are vertical sectional views showing respective portions to be integrally brazed when carrying out the method for manufacturing an oil cooler of the present invention, and FIG. 3 is a plan view of FIG. 4 is the sixth
Fig. 5 is a sectional view taken along the line III-III, Fig. 5 is a sectional view taken along the line IV-IV in Fig. 6, Fig. 6 is a plan view of a main part of the oil cooler, and Fig. 7 shows the core 4 of the oil cooler. Fig. 8 is an exploded view of the constituent element 3, Fig. 8 is an explanatory view showing the flow passage of the cooling water 18 of the oil cooler, Fig. 9 is an explanatory view showing the flow passage of the oil 17 and Fig. 10 is the present invention. The longitudinal cross-sectional view of the oil cooler manufactured by the method. 1 ... Bolt insertion hole, 2 ... Cooling water communication hole 3 ... Element, 4 ... Core 5 ... Core storage part, 6 ... Oil bypass passage 7 ... Cooling water pipe, 8, 9 ... Oil distribution Hole 10 …… Casing 10a …… Casing base, 10b …… Casing body 11 …… Screw part 12 …… Partitioner, 13 …… Oil hole 14 …… Hollow bolt, 15 …… Flange 16 …… Fin, 17 …… Oil 18 …… Cooling water, 19 …… Partition section 20 …… O-ring, 21 …… Oil filter 22 …… Engine, 23 …… Cooling water flow passage 24 …… Oil flow passage, 25 …… TIG weld 26 …… Partition plate, 27 …… Cylinder 28 …… Top cover
Claims (1)
に筒状体27の一端を当接させ、平面外周が前記基部10a
のそれより小に形成されて少なくとも一方の周縁が立ち
上げられた一対のプレートで偏平なドーナツ形のエレメ
ントを構成し、複数の前記エレメントを前記基部10a上
に積層してコア４を構成し、互いに接触する部品は少な
くとも一方にろう材をクラッドしたアルミニューム又は
その合金材が予め被覆された部品を用い、それらの各部
品を組み立てる内部構造組立工程と、 組立てられた前記内部構造の各部品間を高温の真空炉内
で一体的にろう付け固定して、前記コア４及びそれと前
記基部10aならびに筒状体27間を接合する工程と、 前記コア４を被嵌するケーシング本体10bの下端開口縁
を前記基部10a周縁に載置してその継ぎ目を溶接すると
共に、該本体10bの上端中心孔の孔縁部と前記筒状体27
の上端縁とを溶接する工程と、 を具備するアルミニューム製積層型オイルクーラの製造
方法。1. An end of a cylindrical body 27 is brought into contact with an edge portion of a center hole of a flat casing base 10a, and a flat outer periphery is the base 10a.
A flat donut-shaped element is formed by a pair of plates which are formed smaller than that of which at least one peripheral edge is raised, and a plurality of the elements are laminated on the base portion 10a to form the core 4. The parts that come into contact with each other are parts in which at least one of them is clad with a brazing filler metal or its alloy material is pre-coated, and the internal structure assembling step of assembling those parts, and between the assembled parts of the internal structure Is integrally brazed and fixed in a high-temperature vacuum furnace to join the core 4 and the base 10a and the tubular body 27 together, and the lower end opening edge of the casing body 10b into which the core 4 is fitted. Is placed on the peripheral edge of the base portion 10a and its joint is welded, and the hole edge portion of the center hole of the upper end of the main body 10b and the tubular body 27 are
And a step of welding the upper edge of the aluminum laminated oil cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63103233A JPH0677820B2 (en) | 1988-04-25 | 1988-04-25 | Manufacturing method of aluminum laminated oil cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63103233A JPH0677820B2 (en) | 1988-04-25 | 1988-04-25 | Manufacturing method of aluminum laminated oil cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01273666A JPH01273666A (en) | 1989-11-01 |
| JPH0677820B2 true JPH0677820B2 (en) | 1994-10-05 |
Family
ID=14348739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63103233A Expired - Fee Related JPH0677820B2 (en) | 1988-04-25 | 1988-04-25 | Manufacturing method of aluminum laminated oil cooler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0677820B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0767612B2 (en) * | 1989-05-13 | 1995-07-26 | 太平洋工業株式会社 | Method for manufacturing valve body of four-way switching valve |
| JP3663981B2 (en) | 1999-06-30 | 2005-06-22 | 株式会社デンソー | Heat exchanger and brazing method thereof |
| EP3236188B1 (en) * | 2016-04-18 | 2018-12-19 | Hamilton Sundstrand Corporation | Heat exchangers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60154775U (en) * | 1984-03-17 | 1985-10-15 | 株式会社 土屋製作所 | oil cooler element |
-
1988
- 1988-04-25 JP JP63103233A patent/JPH0677820B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01273666A (en) | 1989-11-01 |
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