JPS6254537A - Manufacture of pin fin type heat exchanger tube - Google Patents
Manufacture of pin fin type heat exchanger tubeInfo
- Publication number
- JPS6254537A JPS6254537A JP19369785A JP19369785A JPS6254537A JP S6254537 A JPS6254537 A JP S6254537A JP 19369785 A JP19369785 A JP 19369785A JP 19369785 A JP19369785 A JP 19369785A JP S6254537 A JPS6254537 A JP S6254537A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- exchanger tube
- pin fin
- casting molds
- cavity part
- 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
Landscapes
- Forging (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ピンフィン型熱交換器用伝熱管の製作方法の
改良に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to an improvement in a method of manufacturing a heat exchanger tube for a pin-fin type heat exchanger.
（従来の技術）
室内用、自動車用空気調和機等の熱交換器としては、近
年、高性能化、コンパクト化及び軽量化されたものが要
求されている。その代表例であるピンフィン型熱交換器
を第１２図に示す。(Prior Art) In recent years, heat exchangers for indoor air conditioners, automobile air conditioners, etc. have been required to have higher performance, be more compact, and be lighter in weight. A pin-fin type heat exchanger, which is a typical example, is shown in FIG.
第１２図は、熱交便器の正面図で、０３けヘッダ管、０
１はヘッダ管０３間に並列された偏平伝熱管を示し、偏
平伝熱管０１間は、多数のピンフィン０２で接続されて
いる。この種の熱交換器は、莫大な数のピンフィン０２
が必要なため、それらと偏平伝熱管０１との接続及び組
立てには困難な問題が多い。Figure 12 is a front view of the heat exchanger toilet, with 03 header pipes and 0
1 shows flat heat exchanger tubes arranged in parallel between header tubes 03, and the flat heat exchanger tubes 01 are connected by a large number of pin fins 02. This type of heat exchanger has a huge number of pin fins.
Therefore, there are many difficult problems in connecting and assembling these and the flat heat exchanger tube 01.
（発明が解決しようとする問題点）
本発明は、このような事情に鑑みて提案されたもので、
製作工程を簡略化し、コスト低減を可能にするとともに
、ピンフィンと管の接合強度を高めたピンフィン型伝熱
管の製作方法を提供することを目的としたものである。(Problems to be solved by the invention) The present invention was proposed in view of the above circumstances, and
The object of the present invention is to provide a method for manufacturing a pin-fin heat exchanger tube that simplifies the manufacturing process, reduces costs, and increases the bonding strength between the pin fin and the tube.
（問題点を解決するだめの手段）
本発明は、あらかじめ成形したアルミニウム合金製伝熱
管を、ピンフィン成形用の多部の孔があけられた鋳型の
内部に設置した後、該二Ｊｊ型を該伝熱管に押し付けな
がら、該伝熱管の素材であるアルミニウム合金の固相温
度以上に加熱し、前記鋳型の孔へ該伝熱管の表層部を溶
融押出すことによってピンフィンを成形することを特徴
とするピンフィン型伝熱管の製作方法に関する。(Another Means to Solve the Problems) The present invention involves placing a pre-formed aluminum alloy heat exchanger tube inside a mold with multiple holes for forming pin fins, and then molding the two Jj types into the mold. The pin fin is formed by heating the aluminum alloy, which is the material of the heat exchanger tube, above the solidus temperature while pressing it against the heat exchanger tube, and melting and extruding the surface layer of the heat exchanger tube into the holes of the mold. This invention relates to a method for manufacturing a pin-fin type heat exchanger tube.
以下、本発明を図面に基づき説明する。Hereinafter, the present invention will be explained based on the drawings.
第１（ｇ〜第８図は本発明のピンフィン型伝熱管の製作
状況を示すものである。第’；’（７１−ｆｆｉ１１図
は２つの鋳型とその組立の状態を示す。鋳型は４つから
なり、第９図及び第１ｏ図に示す鋳型１及び２を緘１１
図のように組立てたものを向い合わせて用いる。第１１
図の中の６け予じめ押出し等によって成形された偏平伝
熱管を装着するための空洞部であシ、鋳型２の一部であ
る加圧する治具５を押圧することにより、鋳型１の中央
の溝をスライドするようにして前記伝熱管に対して鋳型
２が押出される。押出されるυ戸（Ｑ ２の前面には前
記伝熱管の表層部より溶融押出されたピンフィンを受は
入れる空洞部７が形成されている。第９図に示す１０は
、排気箱であり、第１１図の排気管１１よシ真空ポンプ
で排気する。このダｊ型の材質は工具鋼や黒鉛などが使
用される。Figures 1 (g to 8) show the manufacturing status of the pin fin type heat exchanger tube of the present invention. The molds 1 and 2 shown in FIG. 9 and FIG.
Use the assembled parts facing each other as shown in the figure. 11th
The six hollow parts shown in the figure are for mounting the flat heat exchanger tubes formed by extrusion etc. in advance, and by pressing the pressurizing jig 5, which is a part of the mold 2, the mold 1 is The mold 2 is extruded onto the heat exchanger tube by sliding through the central groove. A cavity 7 is formed on the front surface of the extruded υ door (Q2) to receive the pin fin melted and extruded from the surface layer of the heat transfer tube. 10 shown in FIG. 9 is an exhaust box, The exhaust pipe 11 shown in Fig. 11 is evacuated using a vacuum pump.The material used for this shape is tool steel, graphite, or the like.
次に１製作手順を説明する。第１図は鋳型１及び２を組
立てた１対の鋳型を示している。この１対の鋳型の間に
伝熱管を収容するための空洞部６が形成されている。鋳
型１の間に鋳型２がスライド可能に収容されてお沙、（
第１１図参照）鋳型２には、ピンフィンを成形するため
の空洞部７を有している。また、空洞部７の後端には空
気抜き用の通気孔９を有する栓８が装着されておりピン
フィンの長さを規定する。前記空洞部７の後に、鋳型１
及び２によって排気箱１０が形成され、排気管１１を介
して真空ポンプに接続する。第２図は、第１図のＩ−Ｉ
矢視図である。鋳型２の両端の加圧治具５に鋳型２を通
電加熱するための端子３と通電用コイル４を設けである
。点線枠１０は、先に述べた排気箱の位置を示す。第３
図は第２図の■−■矢視図、第４図は第３図のＩ・−Ｉ
矢視図であ）、一対の鋳型の間に偏平伝熱管１２を収容
している。伝熱管の材質は軽量化のため、通常アルミニ
ウム合金ム１０５０． Ａ３００３等が使用される。伝
熱管１２にけ予じめ流体通路１６を設けである。Next, one manufacturing procedure will be explained. FIG. 1 shows a pair of molds in which molds 1 and 2 are assembled. A cavity 6 for accommodating the heat transfer tube is formed between the pair of molds. The mold 2 is slidably housed between the molds 1 (
(See FIG. 11) The mold 2 has a cavity 7 for molding pin fins. Further, a plug 8 having a ventilation hole 9 for air removal is attached to the rear end of the cavity 7, and defines the length of the pin fin. After the cavity 7, the mold 1
and 2 form an exhaust box 10, which is connected to a vacuum pump via an exhaust pipe 11. Figure 2 shows I-I in Figure 1.
It is an arrow view. Pressing jigs 5 at both ends of the mold 2 are provided with terminals 3 and energizing coils 4 for energizing and heating the mold 2. A dotted line frame 10 indicates the position of the exhaust box described above. Third
The figure is a view from the ■-■ arrow in Figure 2, and Figure 4 is a view of I and -I in Figure 3.
1), a flat heat exchanger tube 12 is housed between a pair of molds. The material of the heat exchanger tube is usually aluminum alloy 1050. A3003 etc. are used. A fluid passage 16 is provided in the heat transfer tube 12 in advance.
偏平伝熱管をＡ１０５０で構成すると、溶融開始温度が
５５５°Ｃ程度である。まず、鋳型２に通′直して鋳型
を約６６０ Ｏに昇温させると、伝熱管の表層部が溶融
する。加圧治具５を上下から押圧し、排気箱１０の空気
を真空ポンプで排気することにより、ζ！５型２の空洞
部７の中にピンフィン１３を形成する。（第６図参照）
成形後鋳型１人、２人と鋳型ＩＢ、２Ｂを開いて取り出
したピンフィン型偏平伝熱管１４を第７図に示す。When the flat heat exchanger tube is made of A1050, the melting start temperature is about 555°C. First, when the mold 2 is passed back through and the temperature of the mold is raised to about 660 O, the surface layer of the heat exchanger tube melts. By pressing the pressurizing jig 5 from above and below and exhausting the air in the exhaust box 10 with a vacuum pump, ζ! A pin fin 13 is formed in the cavity 7 of the 5-type 2. (See Figure 6)
FIG. 7 shows the pin-fin type flat heat exchanger tubes 14 taken out after molding by one person and two people who opened the molds IB and 2B.
この伝熱管１４を溶接によシヘッダ管１５に結合して組
立てると、第８図に示すピンフィン型熱交換器が得られ
る。When this heat exchanger tube 14 is joined to the header tube 15 by welding and assembled, a pin fin type heat exchanger shown in FIG. 8 is obtained.
このように、多数のピンフィンを容易に伝熱管表面に一
体的に形成することができ、接合強度の高い伝熱管を得
ることができた。In this way, a large number of pin fins could be easily formed integrally on the surface of the heat exchanger tube, and a heat exchanger tube with high joint strength could be obtained.
（発明の効果）
本発明は前記構成を採用することに次のような効果を有
する。(Effects of the Invention) The present invention has the following effects by employing the above configuration.
（１） あらかじめ形成された偏平伝熱管の表層部を
溶融押出して、偏平伝熱管と一体のピンフィンが成形さ
れるので、ピンフィンと偏平伝熱管との接合工程が省略
される。(1) Since pin fins integrated with the flat heat exchanger tube are formed by melt-extruding the surface layer of the flat heat exchanger tube formed in advance, the step of joining the pin fin and the flat heat exchanger tube is omitted.
（２） ピンフィンは、偏平伝熱管から溶融押出しＫ
よって成形されたものであるから、ピンフィンと偏平伝
熱管との接合強度が高く、安全性の高いピンフィン型偏
平伝熱管が得られる〇（３）鋳型の空洞部内を減圧しな
がら偏平伝熱管の表層部を溶融してそれを押出し、ピン
フィンを成形するので、直径１００μｍ 程度のピンフ
ィンも鋳造できる。(2) Pin fins are made by melt extrusion from flat heat exchanger tubes.
Therefore, since the pin fins and the flat heat exchanger tube are molded, the joint strength between the pin fins and the flat heat exchanger tube is high, and a highly safe pin fin type flat heat exchanger tube can be obtained. (3) While reducing the pressure inside the cavity of the mold, the surface layer of the flat heat exchanger tube is Since the parts are melted and extruded to form pin fins, pin fins with a diameter of about 100 μm can also be cast.
（４） 高性能且低価格のピンフィン型熱交換器が簡
単に製作できる。(4) A high-performance, low-cost pin-fin heat exchanger can be easily manufactured.
第１図〜第６図は、本発明のピンフィン型伝熱管の製作
手順を示す図、第１図は一対の鋳型の断面図、第２図は
第１図の！−１矢視図、第第３図
第１０図
手続補正書（方式）
昭和 ６０年 １２月 ｑ 日1 to 6 are diagrams showing the manufacturing procedure of the pin-fin type heat exchanger tube of the present invention, FIG. 1 is a cross-sectional view of a pair of molds, and FIG. 2 is the same as that of FIG. 1. -1 arrow view, Figure 3 Figure 10 Procedure amendment (method) December q, 1985
Claims (1)
フィン成形用の多数の孔があけられた鋳型の内部に設置
した後、該鋳型を該伝熱管に押し付けながら、該伝熱管
の素材であるアルミニウム合金の固相温度以上に加熱し
、前記鋳型の孔へ該伝熱管の表層部を溶融押出すことに
よつてピンフィンを成形することを特徴とするピンフィ
ン型伝熱管の製作方法。After placing a pre-formed aluminum alloy heat exchanger tube inside a mold with many holes for forming pin fins, the mold is pressed against the heat exchanger tube while the aluminum alloy, which is the material of the heat exchanger tube, is hardened. A method for manufacturing a pin fin type heat exchanger tube, characterized in that a pin fin is formed by heating the tube to a temperature higher than the phase temperature and melting and extruding the surface layer of the heat exchanger tube into the hole of the mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19369785A JPS6254537A (en) | 1985-09-03 | 1985-09-03 | Manufacture of pin fin type heat exchanger tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19369785A JPS6254537A (en) | 1985-09-03 | 1985-09-03 | Manufacture of pin fin type heat exchanger tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6254537A true JPS6254537A (en) | 1987-03-10 |
Family
ID=16312275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19369785A Pending JPS6254537A (en) | 1985-09-03 | 1985-09-03 | Manufacture of pin fin type heat exchanger tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6254537A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6675746B2 (en) | 1999-12-01 | 2004-01-13 | Advanced Mechanical Technology, Inc. | Heat exchanger with internal pin elements |
| CN105665573A (en) * | 2014-12-05 | 2016-06-15 | 丰田自动车株式会社 | Pin fin forming method |
-
1985
- 1985-09-03 JP JP19369785A patent/JPS6254537A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6675746B2 (en) | 1999-12-01 | 2004-01-13 | Advanced Mechanical Technology, Inc. | Heat exchanger with internal pin elements |
| CN105665573A (en) * | 2014-12-05 | 2016-06-15 | 丰田自动车株式会社 | Pin fin forming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4046305A (en) | Metallic bonding method | |
| EP1076802B1 (en) | Heat exchanger manifold block with improved brazability | |
| JP2007053307A (en) | Stacked heat exchanger and its manufacturing method | |
| JPH05214957A (en) | Cooling wing to be made to collide with joining foil insert | |
| JPS60121045A (en) | Heat exchanger and its production | |
| JPS6254537A (en) | Manufacture of pin fin type heat exchanger tube | |
| JP4399925B2 (en) | Method for forming sacrificial corrosion layer, heat exchanger, and dual heat exchanger | |
| JP2735198B2 (en) | Aluminum heat exchanger | |
| JPH0790361B2 (en) | Method for joining aluminum members and method for manufacturing heat exchanger by the method | |
| JP2000283664A (en) | Heat exchanging pipe of refrigeration cycle and method of manufacture of heat exchange pipe | |
| JPH10144831A (en) | Heat sink with heat pipe | |
| JPS58159935A (en) | Manufacture of heat collecting and radiating panel | |
| JP2766532B2 (en) | Manufacturing method of aluminum double-pipe heat exchanger | |
| CN1396033A (en) | Method for making heat exchanger | |
| JPH054600B2 (en) | ||
| JPH01247991A (en) | Heat exchanger and manufacture thereof | |
| JP2000088490A (en) | Heat exchanger | |
| JPH05329844A (en) | Mold | |
| JP3234795B2 (en) | Composite members | |
| KR200365154Y1 (en) | Fin & flat tube type Heat exchanger | |
| JPS63719B2 (en) | ||
| JPH03233297A (en) | Heat-pipe heat exchanger | |
| JPH0284253A (en) | Heat exchanger tube and its manufacture | |
| JPS63140783A (en) | Manufacture of porous radiant body | |
| JPS6338894A (en) | Heat exchanger with pin fin of laminated structure and manufacture thereof |