JPH06147790A - Manufacture of header for heat exchanger - Google Patents
Manufacture of header for heat exchangerInfo
- Publication number
- JPH06147790A JPH06147790A JP30127892A JP30127892A JPH06147790A JP H06147790 A JPH06147790 A JP H06147790A JP 30127892 A JP30127892 A JP 30127892A JP 30127892 A JP30127892 A JP 30127892A JP H06147790 A JPH06147790 A JP H06147790A
- Authority
- JP
- Japan
- Prior art keywords
- blank
- header
- closed
- heat exchanger
- manufacturing
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
- F28D1/0366—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by spaced plates with inserted elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、例えばコンプレッサ
用オイルクーラのような高圧流体用熱交換器に用いられ
るヘッダを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 of manufacturing a header used in a heat exchanger for high pressure fluid such as an oil cooler for a compressor.
【０００２】[0002]
【従来の技術】図７に、従来の方法で製造されたヘッダ
を用いた熱交換器が示されている。ヘッダ51は、熱交換
器のコア52の上端に接合されたものであって、横断面半
円形状ヘッダ本体53と、ヘッダ本体53の両端部に接合さ
れている一対の略四半球状閉鎖壁54とよりなる。ヘッダ
本体53と閉鎖壁54の接合は、溶接により果たされてい
る。2. Description of the Related Art FIG. 7 shows a heat exchanger using a header manufactured by a conventional method. The header 51 is joined to the upper end of the core 52 of the heat exchanger, and has a semicircular cross-section header body 53, and a pair of substantially hemispherical closed walls 54 joined to both ends of the header body 53. And consists of. The header body 53 and the closing wall 54 are joined by welding.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の方法では、
ヘッダ51を、ヘッダ本体53および２つの閉鎖壁53の３つ
の部品で構成しているため部品点数が多く、これに加え
て、溶接工程を必要とするため、製造工程が複雑で製造
費が高くつく。SUMMARY OF THE INVENTION In the above conventional method,
Since the header 51 is composed of three parts, the header body 53 and the two closing walls 53, the number of parts is large. In addition to this, a welding process is required, so the manufacturing process is complicated and the manufacturing cost is high. Tsuku.
【０００４】この発明の目的は、ヘッダを部品点数を削
減し、溶接工程を必要としない熱交換器用ヘッダの製造
方法を提供することにある。An object of the present invention is to provide a method for manufacturing a header for a heat exchanger, which reduces the number of parts of the header and does not require a welding process.
【０００５】[0005]
【課題を解決するための手段】請求項１記載の発明によ
る熱交換器用ヘッダの製造方法は、両端に略四半球状閉
鎖壁を有する横断面半円形状ヘッダを製造する方法であ
って、筒状ブランクを用い、ブランク両端開口を閉鎖す
るようにブランクの両端部を半球状に絞り、両端閉鎖ブ
ランクを２つに縦割りに切断して２つのヘッダを得るも
のである。According to a first aspect of the present invention, there is provided a method of manufacturing a header for a heat exchanger, which is a method of manufacturing a header having a semi-circular cross section having substantially quarter hemispherical closed walls at both ends thereof. A blank is used, both ends of the blank are squeezed into hemispherical shapes so as to close openings at both ends of the blank, and the both-end closed blank is vertically cut into two to obtain two headers.
【０００６】請求項２記載の発明による熱交換器用ヘッ
ダの製造方法は、上記筒状ブランクに代えて、合体して
筒状となる２つの横断面半円形状ブランクを用い、２つ
のブランクを合体させて、その状態で合体ブランク両端
開口を閉鎖するように合体ブランクの両端部を半球状に
絞り、両端閉鎖合体ブランクを分離して２つのヘッダを
得るものである。In the method for manufacturing a heat exchanger header according to the second aspect of the present invention, in place of the tubular blank, two blanks having a semi-circular cross section which are united into a tubular shape are used and the two blanks are joined. In this state, both ends of the united blank are squeezed into hemispherical shapes so as to close both ends of the united blank, and the two united blanks are separated to obtain two headers.
【０００７】[0007]
【作用】請求項１記載の発明による熱交換器用ヘッダの
製造方法では、筒状ブランクを用い、ブランク両端開口
を閉鎖するようにブランクの両端部を半球状に絞り、両
端閉鎖ブランクを２つに縦割りに切断して２つのヘッダ
を得るから、ヘッダを構成するための部品の数は１つで
よく、製造工程に溶接工程が不要である。In the method for manufacturing a heat exchanger header according to the present invention, a cylindrical blank is used, and both ends of the blank are squeezed into a hemispherical shape so as to close the openings at both ends of the blank, and two blanks at both ends are closed. Since two headers are obtained by cutting the header vertically, the number of parts constituting the header may be one, and a welding process is unnecessary in the manufacturing process.
【０００８】請求項２記載の発明による熱交換器用ヘッ
ダの製造方法では、上記筒状ブランクに代えて、合体し
て筒状となる２つの横断面半円形状ブランクを用い、２
つのブランクを合体させて、その状態で合体ブランク両
端開口を閉鎖するように合体ブランクの両端部を半球状
に絞り、両端閉鎖合体ブランクを分離して２つのヘッダ
を得るから、ヘッダを構成するための部品の数は１つで
よく、製造工程に溶接工程が不要であることに加えて、
合体ブランクの両端を絞った後に、ブランクを切断する
手間が省ける。In the method for manufacturing a heat exchanger header according to the second aspect of the present invention, instead of the tubular blank, two blanks having a semi-circular cross section which are united into a tubular shape are used.
In order to construct a header, two blanks are united, and in that state, both ends of the united blank are squeezed into a hemispherical shape so that both ends of the united blank are closed, and the united blanks are separated to obtain two headers. In addition to the fact that there is no need for a welding process in the manufacturing process,
After squeezing both ends of the combined blank, it is possible to save the trouble of cutting the blank.
【０００９】[0009]
【実施例】この発明の実施例を、図１〜図６を参照して
つぎに説明する。Embodiments of the present invention will be described below with reference to FIGS.
【００１０】＜実施例１＞実施例１では、図１(a) に示
すアルミニウム押出型材製筒状ブランク11を用いる。図
１(b) に示すように、スピニング機のチャック12でブラ
ンク11の一端部をつかんでブランク11を回転させなが
ら、その他端部にへら13を押付けることにより、同他端
開口を閉鎖するように同他端部を半球状に絞る。もう一
方の端部にも同じようにスピニング加工を施し、フラン
ク11の両端部のスピニング加工を完了すると、図１(c)
に示すように、切断機14で両端閉鎖ブランク11を２つに
縦割りに切断する。これにより、両端に略四半球状閉鎖
壁15を有する横断面半円形状ヘッダ16を同時に２つ得
る。<Example 1> In Example 1, a tubular blank 11 made of an aluminum extruded material shown in FIG. 1 (a) is used. As shown in FIG. 1 (b), one end of the blank 11 is grasped by the chuck 12 of the spinning machine and the blank 11 is rotated, while the spatula 13 is pressed to the other end to close the other end opening. The other end is squeezed into a hemispherical shape. Spinning is performed on the other end in the same way, and when the spinning on both ends of the flank 11 is completed, as shown in FIG. 1 (c).
As shown in FIG. 3, the cutting machine 14 cuts the blank 11 closed at both ends into two pieces. As a result, two headers 16 each having a semicircular cross section and having substantially quasi-spherical closing walls 15 at both ends are obtained at the same time.
【００１１】上記へら13を用いる代わりに、押圧ローラ
を用いても良い。また、絞るべき端部は加熱しておいて
もよい。Instead of using the spatula 13 described above, a pressing roller may be used. Further, the end to be squeezed may be heated.
【００１２】＜実施例２＞実施例２では、上記筒状ブラ
ンク11に代えて、図２(a) に示す合体して筒状となる２
つのアルミニウム押出型材製横断面半円形状ブランク21
を用いる。図２(b) に示すように、２つのブランク21を
合体させた状態で、実施例１の場合と同様に、スピニン
グ機を用いて合体ブランク21の両端部にスピニング加工
を施す。スピニング加工が終了し、スピニング機から合
体ブランク21を取り外すと、実施例１の場合のように切
断加工をほどこすことなく、合体ブランク21が自然と分
離し、２つのヘッダ22が得られる。<Embodiment 2> In Embodiment 2, instead of the cylindrical blank 11 described above, a cylindrical body is formed as shown in FIG.
Blank 21 made of two aluminum extrusions
To use. As shown in FIG. 2B, in the state where the two blanks 21 are united, as in the case of the first embodiment, the both ends of the united blank 21 are subjected to spinning using a spinning machine. When the spinning process is completed and the united blank 21 is removed from the spinning machine, the united blank 21 is naturally separated and the two headers 22 are obtained without performing the cutting process as in the case of the first embodiment.
【００１３】押出型材製ブランク21に代えて、図３(a)
に示すアルミニウム板製ブランク23を用いても良い。こ
のブランク23を、図３(b) に示すように、図示しないプ
レス機等で横断面半円形状となるように折曲げ加工を施
して横断面半円形状のブランク24とし、その後に、スピ
ニング加工を施せば良い。Instead of the blank 21 made of extruded material, FIG.
You may use the aluminum plate blank 23 shown in FIG. As shown in FIG. 3 (b), this blank 23 is bent by a press (not shown) or the like so as to have a semicircular cross section, and a blank 24 having a semicircular cross section is formed. It may be processed.
【００１４】つぎに、上記方法で製造されたヘッダを用
いた熱交換器について、図４〜図６を参照して説明す
る。Next, a heat exchanger using the header manufactured by the above method will be described with reference to FIGS.
【００１５】上下のヘッダ31，32は、図４に示すよう
に、それぞれの開口を熱交換器コア33の側に向けて、コ
ア33の上下両端を被覆するように配されている。As shown in FIG. 4, the upper and lower headers 31, 32 are arranged so as to cover the upper and lower ends of the core 33 with their openings facing the heat exchanger core 33 side.
【００１６】上ヘッダ31には入口ソケット34が、下ヘッ
ダ32には出口ソケット35がそれぞれ接続されている。An inlet socket 34 is connected to the upper header 31 and an outlet socket 35 is connected to the lower header 32.
【００１７】図５を参照すると、上ヘッダ31のソケット
接続部には、平坦な底をもつ窪み36が設けられるととも
に、その底に入口37が設けられている。一方、入口ソケ
ット34の下端開口縁部には、入口37にはめ入れられた位
置決め用環状突出部38が設けられている。これと同じよ
うにして、出口ソケット35が下ヘッダ32に接続されてい
る。Referring to FIG. 5, the socket connection portion of the upper header 31 is provided with a recess 36 having a flat bottom, and an inlet 37 is provided at the bottom thereof. On the other hand, at the lower edge opening edge of the inlet socket 34, a positioning annular protrusion 38 fitted in the inlet 37 is provided. In the same manner, the outlet socket 35 is connected to the lower header 32.
【００１８】コア33は、上下のヘッダ31，32間において
左右方向に所定間隔をおいて並列状に配置されかつ両端
を上下同じ側にあるヘッダ31，32と連通させた上下に長
い複数のアルミニウム製オイル流通用偏平状中空体41
と、左右両端の中空体41の外側にそれぞれ配置されてい
る一対のアルミニウム製サイドプレート42と、隣り合う
中空体41間の上下両端および左右両端の中空体41とサイ
ドプレート42間の上下両端に配置されている上下複数ず
つのスペーサ43と、上下相対するスペーサ43でそれぞれ
挟まれるように隣り合う中空体41間および左右両端の中
空体41とサイドプレート42間に配置されているアルミニ
ウム製ルーバ付コルゲートフィン44とを備えている。The core 33 is arranged in parallel between the upper and lower headers 31 and 32 at a predetermined interval in the left and right direction, and has a plurality of vertically long aluminum pieces having both ends connected to the headers 31 and 32 on the same side. Flat hollow body 41 for oil distribution
A pair of aluminum side plates 42 respectively arranged outside the hollow bodies 41 at the left and right ends, at the upper and lower ends between the adjacent hollow bodies 41 and at the upper and lower ends between the hollow bodies 41 and the side plates 42 at the left and right ends. With a plurality of upper and lower spacers 43 that are arranged, and between the hollow bodies 41 that are adjacent to each other so as to be sandwiched by the vertically facing spacers 43, and between the hollow bodies 41 and the side plates 42 at the left and right ends, with an aluminum louver Corrugated fins 44 and.
【００１９】図６を参照すると、コア33の上端面の前後
両縁部にそってのびた平行直線部分45と、直線部分45の
相対する端部を連絡した半円形部分46とに、上ヘッダ31
の開口縁部が、溶接により、接合されている。なお、図
示しないが、下ヘッダ32もコア33の下端面に、上ヘッダ
31と同じように接合されている。Referring to FIG. 6, an upper header 31 is provided on a parallel straight line portion 45 extending along both front and rear edges of the upper end surface of the core 33, and a semicircular portion 46 connecting the opposite ends of the straight line portion 45.
The opening edge portions of are joined by welding. Although not shown, the lower header 32 is also attached to the lower end surface of the core 33 and the upper header.
It is joined in the same way as 31.
【００２０】[0020]
【発明の効果】請求項１記載の発明によれば、ヘッダを
構成するための部品の数は１つでよく、製造工程に溶接
工程が不要であるから、ヘッダを安価に製造することが
できる。According to the invention described in claim 1, since the number of parts constituting the header is one and the welding process is not necessary in the manufacturing process, the header can be manufactured at low cost. .
【００２１】請求項２記載の発明によれば、ヘッダを構
成するための部品の数は１つでよく、製造工程に溶接工
程が不要であることに加えて、合体ブランクの両端を絞
った後に、ブランクを切断する手間が省けるから、ヘッ
ダの製造コストを一層安価にすることができる。According to the second aspect of the present invention, the number of parts for forming the header may be one, and in addition to the welding process being unnecessary in the manufacturing process, after the both ends of the united blank are squeezed. Since the labor of cutting the blank can be omitted, the manufacturing cost of the header can be further reduced.
【図１】この発明の実施例１による方法を順に示す製造
工程図である。FIG. 1 is a manufacturing process diagram sequentially showing a method according to a first embodiment of the present invention.
【図２】この発明の実施例２による方法を順に示す製造
工程図である。FIG. 2 is a manufacturing process diagram sequentially showing a method according to a second embodiment of the present invention.
【図３】実施例２に用いられるブランクの変形例を示す
説明図である。FIG. 3 is an explanatory diagram showing a modified example of the blank used in the second embodiment.
【図４】この発明により製造されたヘッダを用いた熱交
換器の正面図である。FIG. 4 is a front view of a heat exchanger using the header manufactured according to the present invention.
【図５】同熱交換器に用いられているヘッダの部分分解
斜視図である。FIG. 5 is a partially exploded perspective view of a header used in the heat exchanger.
【図６】同熱交換器の一部切欠斜視図である。FIG. 6 is a partially cutaway perspective view of the heat exchanger.
【図７】従来例を示す図６相当の斜視図である。FIG. 7 is a perspective view corresponding to FIG. 6 showing a conventional example.
11 ブランク 15 閉鎖壁 16 ヘッダ 21 ブランク 11 Blank 15 Closing wall 16 Header 21 Blank
Claims (2)
面半円形状ヘッダ16を製造する方法であって、 筒状ブランク11を用い、ブランク両端開口を閉鎖するよ
うにブランク11の両端部を半球状に絞り、両端閉鎖ブラ
ンク11を２つに縦割りに切断して２つのヘッダ16を得る
熱交換器用ヘッダの製造方法。1. A method for manufacturing a header 16 having a semicircular cross-section having substantially quasi-hemispherical closing walls 15 at both ends, wherein a tubular blank 11 is used, and both ends of the blank 11 are closed so that both ends of the blank 11 are closed. Is squeezed into a hemispherical shape, and the both ends closed blank 11 is vertically cut into two to obtain two headers 16.
面半円形状ヘッダ16を製造する方法であって、 合体して筒状となる２つの横断面半円形状ブランク21を
用い、２つのブランク21を合体させて、その状態で合体
ブランク両端開口を閉鎖するように合体ブランク21の両
端部を半球状に絞り、両端閉鎖合体ブランク21を分離し
て２つのヘッダ16を得る熱交換器用ヘッダの製造方法。2. A method of manufacturing a cross-section semi-circular header 16 having substantially quasi-hemispherical closed walls 15 at both ends, wherein two cross-section semi-circular blanks 21 that are united into a tubular shape are used. A heat exchanger for merging two blanks 21 and squeezing both ends of the merging blank 21 into a hemispherical shape so as to close both ends of the merging blank 21 in that state, and separating the both-end closed merging blanks 21 to obtain two headers 16. Header manufacturing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30127892A JPH06147790A (en) | 1992-11-11 | 1992-11-11 | Manufacture of header for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30127892A JPH06147790A (en) | 1992-11-11 | 1992-11-11 | Manufacture of header for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06147790A true JPH06147790A (en) | 1994-05-27 |
Family
ID=17894902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30127892A Withdrawn JPH06147790A (en) | 1992-11-11 | 1992-11-11 | Manufacture of header for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06147790A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1124107A2 (en) * | 2000-02-09 | 2001-08-16 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) | Header for heat exchanger core |
| JP2006214705A (en) * | 2005-02-07 | 2006-08-17 | T Rad Co Ltd | Tank for aluminum-made heat exchanger and its manufacturing method |
-
1992
- 1992-11-11 JP JP30127892A patent/JPH06147790A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1124107A2 (en) * | 2000-02-09 | 2001-08-16 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) | Header for heat exchanger core |
| EP1124107A3 (en) * | 2000-02-09 | 2003-01-29 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel Ltd.) | Header for heat exchanger core |
| JP2006214705A (en) * | 2005-02-07 | 2006-08-17 | T Rad Co Ltd | Tank for aluminum-made heat exchanger and its manufacturing method |
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