JPH10160384A - Method of manufacturing heat exchanger header having partition walls and flow control walls - Google Patents
Method of manufacturing heat exchanger header having partition walls and flow control wallsInfo
- Publication number
- JPH10160384A JPH10160384A JP31622596A JP31622596A JPH10160384A JP H10160384 A JPH10160384 A JP H10160384A JP 31622596 A JP31622596 A JP 31622596A JP 31622596 A JP31622596 A JP 31622596A JP H10160384 A JPH10160384 A JP H10160384A
- Authority
- JP
- Japan
- Prior art keywords
- header
- partition wall
- wall
- flow control
- portions
- 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
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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
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]
【発明の属する技術分野】本発明は、自動車用空気調和
装置に組み込んで冷媒と空気とを熱交換させるエバポレ
ータ、コンデンサ等の熱交換器を構成するヘッダの製造
方法に関し、特にヘッダ本体の内側に仕切壁及び流量調
整壁を有するヘッダを安価に造る事を目的としている。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a header which constitutes a heat exchanger such as an evaporator or a condenser for exchanging heat between refrigerant and air by being incorporated in an air conditioner for a vehicle, and more particularly to a method for manufacturing a header inside a header body. It is intended to manufacture a header having a partition wall and a flow control wall at low cost.
【０００２】[0002]
【従来の技術】自動車用空気調和装置に組み込まれる熱
交換器のうち、冷媒により空調用の空気を冷却するエバ
ポレータとして従来から、図１１〜１２に示す構造のも
のが知られている。この熱交換器１は、何れもアルミニ
ウム合金によって造られた複数の部材を組み合わせて成
り、コア部２を有する。このコア部２は、横方向に適当
な間隔をあけて互いに平行に配置された複数の伝熱管素
子３、３と、隣り合う伝熱管素子３、３同士の間に挟持
されたコルゲート型のフィン４、４とから成る。そし
て、上記コア部２の両側面にサイドプレート５、５を添
設している。このサイドプレート５、５の内側面と、上
記コア部の両端部に位置する伝熱管素子３、３の外側面
との間にも、フィン４、４を挟持している。又、上記コ
ア部２の上端側には、互いに平行に配設された１対の管
状のヘッダ６ａ、６ｂを設けている。そしてこのヘッダ
６ａ、６ｂの内部と、上記各伝熱管素子３、３の内部と
を、接続部の気密及び液密を保持した状態で、互いに連
通させている。又、上記一方のヘッダ６ａの側面には、
冷媒を送り込む為の送り込み管７及び上記コア部２内を
通過した冷媒を送り出す為の送り出し管８を接合してい
る。2. Description of the Related Art Among heat exchangers incorporated in air conditioners for automobiles, those having the structure shown in FIGS. 11 to 12 are conventionally known as evaporators for cooling air for air conditioning with a refrigerant. This heat exchanger 1 is composed of a combination of a plurality of members made of an aluminum alloy, and has a core portion 2. The core portion 2 is composed of a plurality of heat transfer tube elements 3, 3 arranged in parallel with an appropriate spacing in the lateral direction, and corrugated fins sandwiched between adjacent heat transfer tube elements 3, 3. 4 and 4. Further, side plates 5 and 5 are provided on both side surfaces of the core portion 2. The fins 4, 4 are also held between the inner side surfaces of the side plates 5, 5 and the outer side surfaces of the heat transfer tube elements 3, 3 located at both ends of the core portion. Further, a pair of tubular headers 6a and 6b arranged in parallel with each other are provided on the upper end side of the core portion 2. The insides of the headers 6a and 6b and the insides of the heat transfer tube elements 3 and 3 are communicated with each other while maintaining the air-tightness and liquid-tightness of the connecting portions. Also, on the side surface of the one header 6a,
A delivery pipe 7 for delivering the coolant and a delivery pipe 8 for delivering the coolant that has passed through the core portion 2 are joined.
【０００３】上記各ヘッダ６ａ、６ｂのうち、少なくと
も一方のヘッダ６ａは、管状のヘッダ本体９ａと、この
ヘッダ本体９ａの内側中間部を密に仕切る仕切壁１０
と、この仕切壁１０を挟んで上記ヘッダ本体９ａ内に設
けられた第一室１１ａ及び第二室１１ｂと、これら第一
室１１ａ及び第二室１１ｂのうちの少なくとも一方の室
に設けられた流量調整壁１２とを備える。これに対し
て、他方のヘッダ６ｂは、ヘッダ本体９ｂのみで構成し
ている。[0003] At least one of the headers 6a and 6b includes a tubular header body 9a and a partition wall 10 for densely partitioning an intermediate portion inside the header body 9a.
And a first chamber 11a and a second chamber 11b provided in the header main body 9a with the partition wall 10 interposed therebetween, and provided in at least one of the first chamber 11a and the second chamber 11b. And a flow rate adjusting wall 12. On the other hand, the other header 6b includes only the header body 9b.
【０００４】上記各ヘッダ本体９ａ、９ｂは、船形状の
第一部材１３ａ、１３ｂと、同じく船形状の第二部材１
４ａ、１４ｂとを最中状に組み合わせて成る。このヘッ
ダ本体９ａ、９ｂは、アルミニウム合金製の芯材（母
材）の表面にろう材を積層した、所謂クラッド材をプレ
ス成形する事により、軸方向（図１１〜１２の左右方
向）の両端を塞がれた船形状に形成している。これら第
一部材１３ａ、１３ｂと第二部材１４ａ、１４ｂとを組
み合わせて上記各ヘッダ本体９ａ、９ｂとするには、第
一部材１３ａ、１３ｂの開口部を第二部材１４ａ、１４
ｂの開口部に嵌合し、嵌合部をろう付け接合する。[0004] Each of the header bodies 9a, 9b has a first member 13a, 13b having a boat shape and a second member 1 having a boat shape.
4a and 14b in the middle. The header bodies 9a and 9b are formed by pressing a so-called clad material in which a brazing material is laminated on the surface of a core material (base material) made of an aluminum alloy, thereby forming both ends in the axial direction (left and right directions in FIGS. 11 to 12). Is formed in a closed boat shape. In order to combine the first members 13a, 13b and the second members 14a, 14b into the respective header main bodies 9a, 9b, the openings of the first members 13a, 13b are formed by the second members 14a, 14b.
b, and the fitting part is brazed and joined.
【０００５】又、上記各第一部材１３ａ、１３ｂのう
ち、一方の第一部材１３ａの長手方向の中間の頂部に
は、図１２に示す様に、係止孔１５ａ、１５ｂを形成し
ている。又、上記両第二部材１４ａ、１４ｂの底部に
は、それぞれスリット状の接続孔１６、１６を形成して
いる。これら各接続孔１６、１６は、それぞれ上記伝熱
管素子３、３の一端部を隙間なく挿入自在な形状・寸法
を有する。又、上記各ヘッダ本体９ａ、９ｂのうち、一
方のヘッダ本体９ａを構成する第一部材１３ａの側面に
は、前記送り込み管７及び送り出し管８の基端部を接続
する為の、送り込み口１７及び送り出し口１８を形成し
ている。[0005] As shown in FIG. 12, locking holes 15a and 15b are formed at the top of the first member 13a in the longitudinal direction of one of the first members 13a and 13b. . In addition, slit-shaped connection holes 16 are formed at the bottoms of the second members 14a and 14b, respectively. Each of these connection holes 16, 16 has a shape and dimensions that allow one end of the heat transfer tube element 3, 3 to be inserted without any gap. Also, of the header bodies 9a and 9b, a side of the first member 13a constituting one of the header bodies 9a is provided with a feed port 17 for connecting the base ends of the feed pipe 7 and the feed pipe 8 to each other. And a delivery port 18.
【０００６】又、前記仕切壁１０及び流量調整壁１２
は、上記ヘッダ本体９ａ、９ｂと同様、アルミニウム合
金製の芯材の少なくとも片面にろう材を積層したクラッ
ド材である板材から打ち抜き形成する。これら両壁１
０、１２の外形及び寸法は、それぞれの上端部に形成し
た係合突部１９、２０と、上記第一部材１３ａの係止孔
１５ａ、１５ｂとを係合させた状態で、その外周縁が、
上記ヘッダ本体９ａの内周面と合致し、これら外周縁と
内周面とが互いに密着する様にしている。又、上記流量
調整壁１２の中央部には、冷媒を通過させる為の、流量
調整用の貫通孔２１を形成している。The partition wall 10 and the flow rate adjusting wall 12
As in the case of the header bodies 9a and 9b, a core material made of an aluminum alloy is punched and formed from a plate material which is a clad material in which a brazing material is laminated on at least one surface. These two walls 1
The outer shape and dimensions of 0 and 12 are such that the outer circumferential edges thereof are in a state where the engaging projections 19 and 20 formed at the respective upper end portions are engaged with the locking holes 15a and 15b of the first member 13a. ,
The inner peripheral surface of the header body 9a coincides with the inner peripheral surface, and the outer peripheral edge and the inner peripheral surface are in close contact with each other. Further, a through hole 21 for adjusting a flow rate is formed at the center of the flow rate adjusting wall 12 for allowing the refrigerant to pass therethrough.
【０００７】上記の様に形成された第一部材１３ａ及び
第二部材１４ａと仕切壁１０及び流量調整壁１２とは、
図１１に示す様に、第一部材１３ａと第二部材１４ａと
の間で仕切壁１０及び流量調整壁１２を抑え付ける状態
に、互いに組み合わせる。そして、各部材１３ａ、１４
ａ、１０、１２の当接部分同士をろう付けする事によ
り、ヘッダ６ａを構成する。又、前記第一部材１３ｂと
第二部材１４ｂとは、図１１に示す様に互いの開口部同
士を嵌合させ、互いの当接部分同士をろう付けする事に
より、ヘッダ６ｂを構成する。尚、これらヘッダ６ａ、
６ｂの構成各部材同士のろう付け作業は、前述したコア
部２の構成各部材のろう付けと同時に、加熱炉中で行な
う。The first member 13a and the second member 14a formed as described above, the partition wall 10 and the flow control wall 12 are
As shown in FIG. 11, the first member 13a and the second member 14a are combined with each other in a state where the partition wall 10 and the flow control wall 12 are suppressed. And each member 13a, 14
The header 6a is formed by brazing the contact portions of a, 10, and 12 with each other. Further, the first member 13b and the second member 14b form the header 6b by fitting the openings of each other and brazing the contact portions of each other as shown in FIG. Note that these headers 6a,
The brazing operation of the components of 6b is performed in a heating furnace at the same time as the brazing of the components of the core portion 2 described above.
【０００８】上述した通り、従来の仕切壁１０と流量調
整壁１２とを有するヘッダ６ａは、ヘッダ本体９ａを構
成する船形状の第一部材１３ａと第二部材１４ａとによ
り、これら両部材１３ａ、１４ａと別個に造った仕切壁
１０及び流量調整壁１２を挟持して成る。この為、上記
ヘッダ６ａを構成する部品点数が多く、しかもこれら各
構成部品の組み合わせが面倒で、コスト高の原因とな
る。更には、組み付け精度が不安定になると、仕切壁１
０の設置部で冷媒の漏れが発生し、熱交換器の性能が悪
くなる可能性がある。As described above, the header 6a having the conventional partition wall 10 and the flow rate adjusting wall 12 is formed by the boat-shaped first member 13a and the second member 14a constituting the header body 9a. 14a and a partition wall 10 and a flow control wall 12 separately manufactured. Therefore, the number of components constituting the header 6a is large, and the combination of these components is troublesome and causes a high cost. Further, when the assembling accuracy becomes unstable, the partition wall 1
There is a possibility that the refrigerant leaks at the zero installation part, and the performance of the heat exchanger deteriorates.
【０００９】この様な問題を解決する為、例えば特開平
７−３１４０３５号公報には、所定の寸法・形状に切断
された平板をプレス成形する事によって円筒状のヘッダ
本体とこのヘッダ本体の軸方向中間部に仕切壁を形成す
る、熱交換器用ヘッダの製造方法が記載されている。図
１３〜１４に示す様に、この製造方法により造られる熱
交換器用ヘッダ２３は、管状のヘッダ本体２４の中間部
内側を仕切壁２５により仕切っている。この様なヘッダ
２３は、図１５〜２２に示す様な工程で造る。In order to solve such a problem, for example, Japanese Patent Application Laid-Open No. 7-314035 discloses that a flat plate cut into a predetermined size and shape is press-formed to form a cylindrical header body and a shaft of the header body. A method for manufacturing a heat exchanger header in which a partition wall is formed at an intermediate portion in a direction is described. As shown in FIGS. 13 and 14, the heat exchanger header 23 produced by this manufacturing method has a partition wall 25 that partitions the inside of the middle part of the tubular header body 24. Such a header 23 is manufactured by steps as shown in FIGS.
【００１０】先ず、図１５に示す様に、アルミニウム合
金である芯材２６の表面にろう材層２７を積層した、ク
ラッド材である板材２８を準備する。次いで、この板材
にプレス加工を施す事により、図１６に示す様な半筒部
２９、２９を、１対形成する。これら１対の半筒部２
９、２９は、円弧状の連続部３０を介して互いに並列に
形成する。又、これら１対の半筒部２９、２９の、それ
ぞれ軸方向中間部で互いに整合する位置には、それぞれ
これら各半筒部２９、２９の直径方向内側に突出する、
断面Ｕ字状の仕切壁成形部３１、３１を形成する。First, as shown in FIG. 15, a plate material 28 as a clad material is prepared by laminating a brazing material layer 27 on the surface of a core material 26 made of an aluminum alloy. Next, a pair of half-cylindrical portions 29, 29 as shown in FIG. These pair of half cylinders 2
9 and 29 are formed in parallel with each other via an arc-shaped continuous portion 30. Further, at a position where the pair of half-cylinder portions 29, 29 are aligned with each other at the axially intermediate portions, the half-cylinder portions 29, 29 protrude radially inward of the respective half-cylinder portions 29, 29.
The partition wall forming portions 31, 31 having a U-shaped cross section are formed.
【００１１】次に、切除工程により、図１７（ａ）に斜
線で示した、上記連続部３０の一部で、上記各仕切壁成
形部３１、３１の間に位置する部分、並びにこれら両仕
切壁成形部３１、３１の外側に位置する縁部３２の肉余
り部３３、３３を切除する。この切除作業は、プレス機
械によるトリムピアスにより行なう。Next, in a cutting step, a part of the continuous portion 30 which is shown between the partition wall forming portions 31 and 31 as shown by hatching in FIG. Excess portions 33, 33 of the edge portion 32 located outside the wall forming portions 31, 31 are cut off. This cutting operation is performed by trim piercing using a press machine.
【００１２】この切除工程の後、図１８に示す様にして
行なう圧縮工程により、上記各仕切壁成形部３１を、上
記半筒部２９の軸方向両側から圧縮して、仕切壁半部３
４を形成する。この圧縮工程は、図１９に示す様に、各
半筒部２９の外側を、スプリング３５により付勢される
ワーク抑え３６により抑えつつ、上記各半筒部２９の内
側の仕切壁成形部３１の両側に圧縮部材３７、３７を配
置し、これら両圧縮部材３７、３７により上記仕切壁成
形部３１を押し潰す事により行なう。この際、仕切壁成
形部３１の突出量を、矯正ブロック３８により矯正す
る。After the resection step, the partition wall forming portions 31 are compressed from both axial sides of the half cylindrical portion 29 by a compression step performed as shown in FIG.
4 is formed. In this compression step, as shown in FIG. 19, the outside of each half-cylinder portion 29 is held down by a work holding member 36 urged by a spring 35, and the partition wall forming portion 31 inside each half-cylinder portion 29 is pressed. This is performed by arranging compression members 37 on both sides and crushing the partition wall forming portion 31 with both compression members 37, 37. At this time, the amount of protrusion of the partition wall forming portion 31 is corrected by the correction block 38.
【００１３】次に、図２０に示す縁部成形工程により、
１対の半筒部２９、２９の縁部３２、３２を、図２０
（ａ）から同図（ｂ）に示す状態にまで、各半筒部２
９、２９の直径方向内側に変形させて、これら各縁部３
２、３２を、上記各半筒部２９、２９から連続する断面
円弧状に形成する。Next, by the edge forming step shown in FIG.
The edges 32, 32 of the pair of half cylinders 29, 29 are
(A) to the state shown in FIG.
9 and 29, these edges 3
2 and 32 are formed in an arc-shaped cross section that is continuous from each of the half cylindrical portions 29 and 29.
【００１４】その後、図２１に示す対向工程により、連
続部３０を直径方向内側から外側に向けて突出させ、上
記１対の半筒部２９、２９同士を対向配置する。この対
向工程は、上記１対の半筒部２９、２９を金型３９内に
収容した状態で上記連続部３０を、ポンチ４０により金
型３９の円弧部４１に押圧する事により行なう。次に、
図２２に示した合わせ工程により、対向状態の１対の半
筒部２９、２９を合わせて、これら両半筒部２９、２９
の対向縁部同士を当接させる。その後、これら両半筒部
２９、２９の対向縁部同士の突き合わせ部、並びに１対
の仕切壁成形部３１、３１同士の突き合わせ部をろう付
け接合する。この接合によって、前述の図１３〜１４に
示す様な、仕切壁２５付きのヘッダ２３となる。Thereafter, in a facing step shown in FIG. 21, the continuous portion 30 is projected from the inside in the diametrical direction to the outside, and the pair of half cylindrical portions 29, 29 are arranged to face each other. This opposing step is performed by pressing the continuous portion 30 against the arc portion 41 of the mold 39 with the punch 40 in a state where the pair of half cylinder portions 29, 29 are accommodated in the mold 39. next,
In the aligning step shown in FIG. 22, the pair of half-cylinder portions 29, 29 facing each other are joined to form a pair of these half-cylinder portions 29, 29.
Are brought into contact with each other. Thereafter, the butted portions of the opposing edges of the two half cylinder portions 29, 29 and the butted portions of the pair of partition wall forming portions 31, 31 are brazed and joined. By this joining, the header 23 with the partition wall 25 as shown in FIGS.
【００１５】[0015]
【発明が解決しようとする課題】上述の様な製造方法に
より造られるヘッダ２３は、部品点数が少なく、組み付
けも容易となる為、低コスト化を図れる。但し、ヘッダ
２３の内側には仕切壁２５を設けるのみであり、流量調
整壁を必要とするヘッダには適用できない。本発明は、
この様な事情に鑑みて、仕切壁だけでなく流量調整壁も
有する熱交換器用ヘッダを安価に得られる製造方法を提
供するものである。The header 23 manufactured by the above-described manufacturing method has a small number of parts and is easy to assemble, so that the cost can be reduced. However, only the partition wall 25 is provided inside the header 23, and it cannot be applied to a header requiring a flow rate adjusting wall. The present invention
In view of such circumstances, an object of the present invention is to provide a method for manufacturing a header for a heat exchanger having not only a partition wall but also a flow control wall at a low cost.
【００１６】[0016]
【課題を解決するための手段】本発明の仕切壁と流量調
整壁を有する熱交換器用ヘッダの製造方法は、軸方向両
端を塞がれた管状のヘッダ本体と、このヘッダ本体の内
側中間部を密に仕切る仕切壁と、この仕切壁を挟んで上
記ヘッダ本体内に設けられた第一室及び第二室と、これ
ら第一室及び第二室のうちの少なくとも一方の室の内側
に設けられた、その外周縁を上記ヘッダ本体の内周面に
連続させ、中央部に上記ヘッダ本体内を流れる流体を通
過させる為の流量調整孔を形成した流量調整壁とから成
る、仕切壁と流量調整壁とを有する熱交換器用ヘッダを
製造するものである。According to the present invention, there is provided a method of manufacturing a header for a heat exchanger having a partition wall and a flow control wall, comprising: a tubular header body having both ends axially closed; , A first chamber and a second chamber provided in the header body with the partition wall interposed therebetween, and provided inside at least one of the first and second chambers. A flow control wall having a flow control hole for passing a fluid flowing through the header main body at a central portion thereof, with the outer peripheral edge thereof being continuous with the inner peripheral surface of the header main body. A heat exchanger header having an adjustment wall is manufactured.
【００１７】この様な本発明の仕切壁と流量調整壁とを
有する熱交換器用ヘッダの製造方法は、それぞれがアル
ミニウム合金製である芯材の少なくとも片面にろう材を
積層したクラッド材である板材の一部で幅方向に離隔し
た２箇所位置にそれぞれ通孔を穿設した後、上記板材の
幅方向中間部でこれら両通孔の間部分を境に上記板材を
塑性変形させて、これら両通孔の間部分に設けた折れ曲
がり連続部を介して互いに連続する１対の半筒部を、こ
れら各半筒部の内周面側と外周面側とのうちの少なくと
も一方の周面側に上記ろう材が存在する状態で形成する
と共に、これら各半筒部の軸方向中間部分を上記板材の
長さ方向に押し潰す様に折り返す事により、上記各半筒
部の一部を仕切る仕切壁半部を形成し、且つ上記各通孔
を形成した部分を上記板材の長さ方向に、これら各通孔
の中間部を境に押し潰す様に折り返す事により、上記各
半筒部の一部を軸方向に仕切って、それぞれの端縁中央
部に切り欠きを有する流量調整壁半部を形成し、その
後、上記折れ曲がり連続部を塑性変形させる事により、
上記１対の半筒部の端縁同士並びに上記各仕切壁半部及
び各流量調整壁半部の端縁同士を互いに突き合わせた後
加熱して、各突き合わせ部をろう付けする。The method for manufacturing a header for a heat exchanger having the partition wall and the flow rate adjusting wall according to the present invention is a plate material which is a clad material in which a brazing material is laminated on at least one surface of a core material each made of an aluminum alloy. Then, through holes are respectively formed at two positions separated in the width direction at a part of the plate material, and then the plate material is plastically deformed at a middle portion in the width direction of the plate material at a boundary between the two through holes to form a plastic hole. A pair of semi-cylindrical portions which are continuous with each other via a bent continuous portion provided at a portion between the through holes are provided on at least one of the inner peripheral surface side and the outer peripheral surface side of each of the semi-cylindrical portions. The partition wall which is formed in a state in which the brazing material is present, and which is folded back so that the axial middle portion of each half-cylinder portion is crushed in the length direction of the plate material, thereby partitioning a part of each half-cylinder portion. Form the half part, and the part where each of the through holes is formed By folding back in the length direction of the recording material so as to be crushed at the middle part of each of the through holes, a part of each half cylinder part is partitioned in the axial direction, and a notch is provided at the center of each edge. By forming a flow control wall half having a, and then plastically deforming the bent continuous part,
The edges of the pair of half cylinders and the edges of the partition walls and the flow rate control walls are abutted to each other and then heated to braze the abutted portions.
【００１８】[0018]
【作用】上述の様に構成される、本発明の仕切壁と流量
調整壁とを有する熱交換器用ヘッダの製造方法によれ
ば、仕切壁と流量調整壁とを有する熱交換器用ヘッダを
１枚の板材から造れる。According to the method for manufacturing a header for a heat exchanger having a partition wall and a flow rate adjusting wall of the present invention configured as described above, one heat exchanger header having a partition wall and a flow rate adjusting wall is provided. It can be made from plate materials.
【００１９】[0019]
【発明の実施の形態】図１〜１０は、本発明の仕切壁と
流量調整壁とを有する熱交換器用ヘッダの製造方法の実
施の形態の１例を示している。尚、前述した従来技術と
共通する部分に就いては同一符号を付し、又、構造上重
複する部分に就いての図示及び説明は、省略若しくは簡
略にする。特に、図１〜１０に示した本発明の実施の形
態に関して、前述の図１１に示した熱交換器１、並びに
図１３〜２２に示した従来の仕切壁２５を有するヘッダ
２３の製造方法に就いては、共通する部分が多いので、
説明を簡略にする。1 to 10 show one embodiment of a method for manufacturing a header for a heat exchanger having a partition wall and a flow control wall according to the present invention. In addition, the same reference numerals are given to portions common to the above-described conventional technology, and illustration and description of structurally overlapping portions are omitted or simplified. In particular, regarding the embodiment of the present invention shown in FIGS. 1 to 10, the heat exchanger 1 shown in FIG. 11 described above and the conventional method of manufacturing the header 23 having the partition wall 25 shown in FIGS. Since there are many common parts,
Simplify the description.
【００２０】先ず、図１〜２は、以下に述べる本発明の
製造方法によって造られるヘッダ４３を示している。こ
のヘッダ４３は、軸方向の両端部を図示しない蓋部によ
って塞がれたヘッダ本体４４と、このヘッダ本体４４の
軸方向中間部内側に形成された仕切壁２５及び流量調整
壁４５とを備える。上記仕切壁２５は、前述の図１３〜
２２に示した従来の製造方法と同様に、後述する板材２
８（図３）を塑性変形させて、この板材２８に設けたＵ
字形の折れ曲がり連続部３０を介して互いに連続する１
対の半筒部２９、２９を形成する｛図１６（ｃ）参
照｝。次いで、これら各半筒部２９、２９の中間部分を
上記板材２８の長手方向に押し潰す様に折り返す事によ
って、上記各半筒部２９の軸方向一部で互いに整合する
位置を仕切る、１対の仕切壁半部３４、３４を形成す
る。次いで、上記両半筒部２９、２９同士を連続させる
連続部３０を塑性変形させる事によって、上記１対の半
筒部２９、２９の端縁同士並びに上記仕切壁半部３４、
３４の端縁同士を突き合わせ、互いの突き合わせ部同士
をろう付け接合する。上記仕切壁２５の成形は、次述す
る流量調整壁４５の成形と平行して行なう。First, FIGS. 1 and 2 show a header 43 manufactured by the manufacturing method of the present invention described below. The header 43 includes a header body 44 whose both ends in the axial direction are closed by lids (not shown), and a partition wall 25 and a flow rate adjusting wall 45 formed inside the axially intermediate portion of the header body 44. . The partition wall 25 is formed by the above-described FIGS.
22 in the same manner as in the conventional manufacturing method shown in FIG.
8 (FIG. 3) is plastically deformed, and the U
1 continuous with each other via the bent continuous portion 30
A pair of half cylinder portions 29, 29 are formed {see FIG. 16 (c)}. Next, by folding back the intermediate portion of each half-cylinder portion 29, 29 in such a manner as to be crushed in the longitudinal direction of the plate member 28, a part where the half-cylinder portion 29 is aligned with one another in the axial direction is separated. Are formed. Next, by plastically deforming the continuous portion 30 that connects the two half-cylinder portions 29, 29, the edges of the pair of half-cylinder portions 29, 29 and the partition wall half portion 34,
The edges of 34 are butted together and the butted portions are brazed together. The forming of the partition wall 25 is performed in parallel with the forming of the flow rate adjusting wall 45 described below.
【００２１】次に、上記ヘッダ４３を構成するヘッダ本
体４４の内側に、上述の仕切壁２５の形成作業と平行し
て行なう、流量調整壁４５の形成方法に就いて説明す
る。先ず、図３に示す様な、アルミニウム合金である芯
材２６の両面にろう材層２７、２７を設けた両面クラッ
ド材である、板材２８を準備する。次いで、この板材２
８の一部で幅方向（図３の左右方向）に離隔した２箇所
位置に、それぞれ通孔４７、４７を穿設する。この穿設
作業は、プレス作業により容易に行なえる。尚、図３
は、厚さ方向の寸法を、面方向の寸法に比べ誇張して描
いている。Next, a description will be given of a method of forming the flow rate adjusting wall 45, which is performed inside the header body 44 constituting the header 43 in parallel with the formation of the partition wall 25. First, as shown in FIG. 3, a plate material 28, which is a double-sided clad material in which brazing material layers 27, 27 are provided on both surfaces of a core material 26 made of an aluminum alloy, is prepared. Next, this plate material 2
Through holes 47, 47 are formed at two positions separated from each other in the width direction (the left-right direction in FIG. 3) in a part of the hole 8. This drilling operation can be easily performed by a press operation. FIG.
Has exaggeratedly drawn the dimension in the thickness direction as compared with the dimension in the plane direction.
【００２２】上記１対の通孔４７、４７を穿設したなら
ば、次いで、図４に示す成形工程で、前記板材２８に、
１対の型同士の間で押圧するプレス成形を施し、上記板
材２８の幅方向中間部で通孔４７、４７の間部分を境と
して、１対の半筒部２９、２９を形成する。これら１対
の２９、２９は、円弧状の連続部３０を介して互いに並
列に形成する。又、これら１対の半筒部２９、２９の一
部で上記各通孔４７、４７を形成した部分には、これら
各半筒部２９、２９を板材２８の厚さ方向に押し込む事
により、流量調整壁４５を形成する為の、断面Ｕ字形の
調整壁形成部４８、４８を形成する。After the pair of through holes 47, 47 are formed, the plate 28 is then formed in the forming step shown in FIG.
Press forming is performed by pressing between a pair of molds, and a pair of half-cylinder portions 29, 29 are formed at the middle portion in the width direction of the plate member 28, with the portion between the through holes 47, 47 as a boundary. The pair of 29 and 29 are formed in parallel with each other via an arc-shaped continuous portion 30. In addition, by pushing each of the half-cylinder portions 29, 29 in the thickness direction of the plate material 28 into a portion where the through holes 47, 47 are formed in a part of the pair of half-cylinder portions 29, 29, Adjustment wall forming portions 48, 48 having a U-shaped cross section for forming the flow rate adjusting wall 45 are formed.
【００２３】次に、図５に示す切除工程により、同図
（ａ）に斜線で示した、上記連続部３０の一部で、上記
各調整壁形成部４８、４８の間に位置する部分、並びに
これら両調整壁形成部４８、４８の外側に位置する縁部
３２の肉余り部３３を切除する。この切除工程は、プレ
ス機械によるトリムピアスにより行なう。Next, by the cutting step shown in FIG. 5, a portion of the continuous portion 30, which is located between the adjusting wall forming portions 48, 48, which is indicated by hatching in FIG. In addition, the excess portion 33 of the edge portion 32 located outside the adjusting wall forming portions 48, 48 is cut off. This cutting step is performed by trim piercing using a press machine.
【００２４】この切除工程後、図６に示す圧縮工程によ
り、上記各調整壁形成部４８を両側から圧縮して、それ
ぞれが半円形の切り欠き５０を有する流量調整壁半部４
９を形成する。この圧縮工程は、図７に示す様に、各半
筒部２９の外側を、スプリング３５により付勢されるワ
ーク抑え３６により抑えつつ、上記各半筒部２９の内側
の調整壁形成部４８の両側に圧縮部材３７、３７を配置
し、これら両圧縮部材３７、３７により上記調整壁形成
部４８を押し潰す事により行なう。この際、調整壁形成
部４８の突出量を、矯正ブロック３８により矯正する。After this cutting step, the respective adjusting wall forming sections 48 are compressed from both sides by a compressing step shown in FIG. 6, and each of the adjusting wall forming sections 48 has a semicircular cutout 50.
9 is formed. In this compression step, as shown in FIG. 7, the outside of each half-cylinder portion 29 is suppressed by the work restraint 36 urged by the spring 35 while the adjustment wall forming portion 48 inside each half-cylinder portion 29 is held. This is performed by arranging the compression members 37 on both sides and crushing the adjustment wall forming portion 48 by both the compression members 37. At this time, the amount of protrusion of the adjustment wall forming section 48 is corrected by the correction block 38.
【００２５】次に図８に示す縁部成形工程により、１対
の半筒部２９、２９の縁部３２、３２を、図８（ａ）か
ら同図（ｂ）に示す状態にまで、各半筒部２９、２９の
直径方向内側に変形させて、これら各縁部３２、３２
を、上記各半筒部２９、２９から連続する断面円弧状に
形成する。Next, in the edge forming step shown in FIG. 8, the edges 32, 32 of the pair of semi-cylindrical portions 29, 29 are changed from FIG. 8A to the state shown in FIG. Each of the edge portions 32, 32 is deformed inward in the diametrical direction of the half-cylinder portions 29, 29.
Are formed in an arc-shaped cross section that is continuous from each of the half-cylindrical portions 29, 29.
【００２６】その後、図９に示す対向工程により、連続
部３０を直径方向内側から外側に向け突出させ、更に、
上記１対の半筒部２９、２９同士を対向配置する。この
対向工程は、上記１対の半筒部２９、２９を金型３９内
に収容した状態で上記連続部３０を、ポンチ４０により
金型３９の円弧部４１に押圧する事により行なう。次
に、図１０に示した合わせ工程により、対向状態の１対
の半筒部２９、２９を合わせて、これら両半筒部２９、
２９の対向縁部同士を突き合わせる。この後、これら両
半筒部２９、２９の対向縁部同士の突き合わせ部、並び
に１対の仕切壁成形部３１、３１同士の突き合わせ部を
ろう付け接合する。この接合によって、前述の図１〜２
に示す様な、仕切壁２５及び流量調整壁４５付きのヘッ
ダ４３となる。又、図示の例では、このヘッダ４３を両
面クラッド材により造る為、上記仕切壁２５及び流量調
整壁４５を構成すべく、互いに重ね合わされた板材同士
のろう付けも、同時に行なう。Thereafter, in the facing step shown in FIG. 9, the continuous portion 30 is made to protrude from the inside in the diameter direction to the outside.
The pair of half cylinder portions 29, 29 are arranged to face each other. This opposing step is performed by pressing the continuous portion 30 against the arc portion 41 of the mold 39 with the punch 40 in a state where the pair of half cylinder portions 29, 29 are accommodated in the mold 39. Next, by the joining step shown in FIG.
The opposing edges of the 29 are butt against each other. Thereafter, the butted portions of the opposing edges of the two semi-cylindrical portions 29, 29 and the butted portions of the pair of partition wall forming portions 31, 31 are brazed and joined. By this joining, the above-described FIGS.
The header 43 with the partition wall 25 and the flow rate adjusting wall 45 as shown in FIG. In the illustrated example, since the header 43 is made of a double-sided clad material, brazing of the plate materials superimposed on each other is simultaneously performed so as to form the partition wall 25 and the flow rate adjusting wall 45.
【００２７】尚、上述の図３〜１０に示した製造工程で
は、前述の仕切壁２５の成形も併せて行なう。従って、
上記接合工程にあっては、１対の半筒部２９、２９の端
縁同士並びに前記仕切壁半部３４、３４及び流量調整壁
半部４９、４９の端縁同士を同時にろう付け接合して、
上記仕切壁２５及び流量調整壁４５付のヘッダ４３を造
る。又、図示の例では、エバポレータ用のヘッダに就い
て説明したが、コンデンサ用のヘッダ等、他の熱交換器
用のヘッダの製造に本発明を適用する事もできる。又、
ヘッダ本体の形状は、断面が円形の管状体としたが、従
来例で開示した様な偏平形でも良く、特にその形状は限
定しない。更に、板材２８を構成するろう材層２７、２
７は、必ずしも芯材２６の両面に設ける必要はなく、少
なくとも片面に設ければ良い。片面にのみろう材層２７
を設けた場合でも、ろう付けの為の加熱に基づいて溶融
したろう材は、毛細管現象によってろう付けすべき突き
合わせ部に入り込み、この突き合わせ部を、気密且つ液
密にろう付けする。In the manufacturing steps shown in FIGS. 3 to 10 described above, the partition wall 25 is formed at the same time. Therefore,
In the above joining step, the edges of the pair of half cylinders 29, 29 and the edges of the partition wall halves 34, 34 and the flow control wall halves 49, 49 are simultaneously brazed and joined. ,
The header 43 with the partition wall 25 and the flow control wall 45 is manufactured. In the illustrated example, the header for the evaporator has been described. However, the present invention can be applied to the manufacture of a header for another heat exchanger such as a header for a condenser. or,
The shape of the header body is a tubular body having a circular cross section, but may be a flat shape as disclosed in the conventional example, and the shape is not particularly limited. Further, the brazing material layers 27, 2
7 does not necessarily need to be provided on both sides of the core material 26, and may be provided on at least one side. Brazing material layer 27 on one side only
Is provided, the brazing material melted based on the heating for brazing enters the butt portion to be brazed by capillary action, and brazes the butt portion in an air-tight and liquid-tight manner.
【００２８】[0028]
【発明の効果】本発明の仕切壁と流量調整壁とを有する
熱交換器用ヘッダの製造方法は、以上に述べた通り構成
されるので、仕切壁と流量調整壁とを有する熱交換器用
ヘッダを、１枚の板材から造れる。この為、部品点数を
少なくして、その組み立てに要する手間を低減し、低コ
ストで、且つ精度の安定したヘッダを得られる。The method for manufacturing a header for a heat exchanger having a partition wall and a flow control wall according to the present invention is constructed as described above, so that a header for a heat exchanger having a partition wall and a flow control wall is provided. It can be made from a single plate. For this reason, the number of parts is reduced, the labor required for the assembly is reduced, and a low-cost and stable header with high accuracy can be obtained.
【図１】本発明の方法により造られる仕切壁と流量調整
壁とを有するヘッダの要部断面図。FIG. 1 is a cross-sectional view of a main part of a header having a partition wall and a flow control wall made by a method of the present invention.
【図２】図１のイ−イ断面図。FIG. 2 is a sectional view taken along a line II in FIG.
【図３】図１に示すヘッダを製造する為の板材の部分斜
視図。FIG. 3 is a partial perspective view of a plate for manufacturing the header shown in FIG. 1;
【図４】本発明の製造方法を実施する場合の成形工程を
示しており、（ａ）は中間素材の平面図、（ｂ）は
（ａ）のロ−ロ断面図、（ｃ）は（ａ）のハ−ハ断面
図。FIGS. 4A and 4B show a forming step when the manufacturing method of the present invention is carried out, wherein FIG. 4A is a plan view of an intermediate material, FIG. 4B is a cross-sectional view of FIG. 4A, and FIG. FIG.
【図５】本発明の製造方法を実施する場合の切除工程を
示しており、（ａ）は中間素材の平面図、（ｂ）は
（ａ）のニ−ニ断面図。5A and 5B show a cutting step when the manufacturing method of the present invention is carried out, wherein FIG. 5A is a plan view of an intermediate material, and FIG. 5B is a cross-sectional view of FIG.
【図６】本発明の製造方法を実施する場合の圧縮工程を
示しており、（ａ）は圧縮前の状態を示す断面図、
（ｂ）は圧縮後の状態を示す断面図。6A and 6B show a compression step when the manufacturing method of the present invention is performed, and FIG. 6A is a cross-sectional view showing a state before compression;
(B) is sectional drawing which shows the state after compression.
【図７】上記圧縮工程を行なう装置のより具体的な構造
を示しており、（ａ）は圧縮前の状態を示す断面図、
（ｂ）は圧縮後の状態を示す断面図。FIGS. 7A and 7B show a more specific structure of an apparatus for performing the compression step, wherein FIG. 7A is a cross-sectional view showing a state before compression;
(B) is sectional drawing which shows the state after compression.
【図８】本発明の製造方法を実施する場合の縁部成形工
程を示しており、（ａ）は成形前の状態を、（ｂ）は成
形後の状態を、それぞれ示す断面図。8A and 8B are cross-sectional views illustrating an edge forming step in the case where the manufacturing method of the present invention is performed, wherein FIG. 8A illustrates a state before forming, and FIG. 8B illustrates a state after forming.
【図９】本発明の製造方法を実施する場合の対向工程を
示しており、（ａ）は準備工程を、（ｂ）は対向させる
状態を、それぞれ示す断面図。FIGS. 9A and 9B are cross-sectional views illustrating a facing step when the manufacturing method of the present invention is performed, wherein FIG. 9A illustrates a preparation step and FIG.
【図１０】本発明の製造方法を実施する場合の合わせ工
程を示しており、（ａ）は上記対向工程から連続する初
期段階を、（ｂ）は完了段階を、それぞれ示す断面図。FIGS. 10A and 10B are cross-sectional views showing an alignment step in the case where the manufacturing method of the present invention is carried out, wherein FIG. 10A shows an initial stage continuing from the facing step, and FIG.
【図１１】従来の仕切壁と流量調整壁とを有する熱交換
器用ヘッダを組み込んだ熱交換器の１種であるエバポレ
ータの略斜視図。FIG. 11 is a schematic perspective view of an evaporator, which is one type of a heat exchanger incorporating a conventional heat exchanger header having a partition wall and a flow control wall.
【図１２】図１１に示したエバポレータを構成するヘッ
ダの要部分解斜視図。FIG. 12 is an exploded perspective view of a main part of a header constituting the evaporator shown in FIG. 11;
【図１３】別の従来方法により造られたヘッダの部分断
面図。FIG. 13 is a partial sectional view of a header manufactured by another conventional method.
【図１４】図１３のホ−ホ断面図。FIG. 14 is a cross-sectional view of the hoe of FIG. 13;
【図１５】図１３に示すヘッダの素材となる板材の部分
切断斜視図。FIG. 15 is a partially cutaway perspective view of a plate material serving as a material of the header shown in FIG. 13;
【図１６】図１３に示すヘッダを製造する場合の成形工
程を示しており、（ａ）は中間素材の平面図、（ｂ）は
（ａ）のヘ−ヘ断面図、（ｃ）は（ａ）のト−ト断面
図。16 (a) is a plan view of an intermediate material, FIG. 16 (b) is a cross-sectional view of FIG. 13 (a), and FIG. The toe sectional drawing of a).
【図１７】図１３に示すヘッダを製造する場合の切除工
程を示しており、（ａ）は中間素材の平面図、（ｂ）は
（ａ）のチ−チ断面図。17A and 17B show a cutting step when manufacturing the header shown in FIG. 13; FIG. 17A is a plan view of an intermediate material, and FIG. 17B is a cross-sectional view of FIG.
【図１８】図１３に示すヘッダを製造する場合の圧縮工
程を示しており、（ａ）は圧縮前の状態を示す断面図、
（ｂ）は圧縮後の状態を示す断面図。FIGS. 18A and 18B show a compression step in the case of manufacturing the header shown in FIG. 13; FIG. 18A is a cross-sectional view showing a state before compression;
(B) is sectional drawing which shows the state after compression.
【図１９】上記圧縮工程を行なう装置のより具体的な構
造を示しており、（ａ）は圧縮前の状態を示す断面図、
（ｂ）は圧縮後の状態を示す断面図。FIG. 19 shows a more specific structure of an apparatus for performing the above-mentioned compression step, wherein (a) is a sectional view showing a state before compression;
(B) is sectional drawing which shows the state after compression.
【図２０】図１３に示すヘッダを製造する場合の縁部成
形工程を示しており、（ａ）は成形前の状態を、（ｂ）
は成形後の状態を、それぞれ示す断面図。20 shows an edge forming step in the case of manufacturing the header shown in FIG. 13; FIG. 20 (a) shows a state before forming;
2 is a cross-sectional view showing a state after molding.
【図２１】図１３に示すヘッダを製造する場合の対向工
程を示しており、（ａ）は準備工程を、（ｂ）は対向さ
せる状態を、それぞれ示す断面図。FIGS. 21A and 21B are cross-sectional views showing a facing step in the case of manufacturing the header shown in FIG. 13, wherein FIG. 21A shows a preparation step and FIG.
【図２２】図１３に示すヘッダを製造する場合の合わせ
工程を示しており、（ａ）は上記対向工程から連続する
初期段階を、（ｂ）は完了段階を、それぞれ示す断面
図。FIGS. 22A and 22B are cross-sectional views showing an alignment step in the case of manufacturing the header shown in FIGS. 13A and 13B, wherein FIG. 22A shows an initial stage continuing from the facing step, and FIG.
１ 熱交換器 ２ コア部 ３ 伝熱管素子 ４ フィン ５ サイドプレート ６ａ、６ｂ ヘッダ ７ 送り込み管 ８ 送り出し管 ９ａ、９ｂ ヘッダ本体 １０ 仕切壁 １１ａ 第一室 １１ｂ 第二室 １２ 流量調整壁 １３ａ、１３ｂ 第一部材 １４ａ、１４ｂ 第二部材 １５ａ、１５ｂ 係止孔 １６ 接続孔 １７ 送り込み口 １８ 送り出し口 １９、２０ 係合突部 ２１ 貫通孔 ２３ ヘッダ ２４ ヘッダ本体 ２５ 仕切壁 ２６ 芯材 ２７ ろう材層 ２８ 板材 ２９ 半筒部 ３０ 連続部 ３１ 仕切壁成形部 ３２ 縁部 ３３ 肉余り部 ３４ 仕切壁半部 ３５ スプリング ３６ ワーク抑え ３７ 圧縮部材 ３８ 矯正ブロック ３９ 金型 ４０ ポンチ ４１ 円弧部 ４３ ヘッダ ４４ ヘッダ本体 ４５ 流量調整壁 ４６ 流量調整孔 ４７ 通孔 ４８ 調整壁形成部 ４９ 流量調整壁半部 ５０ 切り欠き DESCRIPTION OF SYMBOLS 1 Heat exchanger 2 Core part 3 Heat transfer tube element 4 Fin 5 Side plate 6a, 6b Header 7 Inlet pipe 8 Outfeed pipe 9a, 9b Header main body 10 Partition wall 11a First chamber 11b Second chamber 12 Flow control wall 13a, 13b First One member 14a, 14b Second member 15a, 15b Lock hole 16 Connection hole 17 Inlet 18 Outlet 19, 20 Engagement protrusion 21 Through hole 23 Header 24 Header body 25 Partition wall 26 Core material 27 Brazing material layer 28 Plate material 29 half cylindrical portion 30 continuous portion 31 partition wall forming portion 32 edge portion 33 excess portion 34 partition wall half portion 35 spring 36 work holder 37 compression member 38 straightening block 39 mold 40 punch 41 circular arc portion 43 header 44 header body 45 flow rate Adjusting wall 46 Flow rate adjusting hole 47 Through hole 48 Adjusting wall forming section 49 Half flow rate adjusting wall 5 0 Notch
Claims (1)
と、このヘッダ本体の内側中間部を密に仕切る仕切壁
と、この仕切壁を挟んで上記ヘッダ本体内に設けられた
第一室及び第二室と、これら第一室及び第二室のうちの
少なくとも一方の室の内側に設けられた、その外周縁を
上記ヘッダ本体の内周面に連続させ、中央部に上記ヘッ
ダ本体内を流れる流体を通過させる為の流量調整孔を形
成した流量調整壁とから成る、仕切壁と流量調整壁とを
有する熱交換器用ヘッダを製造する方法であって、それ
ぞれがアルミニウム合金製である芯材の少なくとも片面
にろう材を積層したクラッド材である板材の一部で幅方
向に離隔した２箇所位置にそれぞれ通孔を穿設した後、
上記板材の幅方向中間部でこれら両通孔の間部分を境に
上記板材を塑性変形させて、これら両通孔の間部分に設
けた折れ曲がり連続部を介して互いに連続する１対の半
筒部を、これら各半筒部の内周面側と外周面側とのうち
の少なくとも一方の周面側に上記ろう材が存在する状態
で形成すると共に、これら各半筒部の軸方向中間部分を
上記板材の長さ方向に押し潰す様に折り返す事により、
上記各半筒部の一部を軸方向に仕切る仕切壁半部を形成
し、且つ上記各通孔を形成した部分を上記板材の長さ方
向に、これら各通孔の中間部を境に押し潰す様に折り返
す事により、上記各半筒部の一部を軸方向に仕切って、
それぞれの端縁中央部に切り欠きを有する流量調整壁半
部を形成し、その後、上記折れ曲がり連続部を塑性変形
させる事により、上記１対の半筒部の端縁同士並びに上
記各仕切壁半部及び各流量調整壁半部の端縁同士を互い
に突き合わせた後加熱して、各突き合わせ部をろう付け
する、仕切壁と流量調整壁とを有する熱交換器用ヘッダ
の製造方法。1. A tubular header body having both axial ends closed, a partition wall densely partitioning an intermediate portion inside the header body, and a first wall provided in the header body with the partition wall interposed therebetween. The outer peripheral edge provided inside the chamber and the second chamber and at least one of the first chamber and the second chamber is continuous with the inner peripheral surface of the header main body, and the header main body is provided at a central portion. A method for manufacturing a heat exchanger header having a partition wall and a flow rate adjusting wall, comprising a flow rate adjusting wall formed with a flow rate adjusting hole for allowing a fluid flowing therethrough to pass therethrough, each of which is made of an aluminum alloy. After drilling through holes at two positions separated in the width direction in a part of a plate material which is a clad material in which a brazing material is laminated on at least one surface of the core material,
A pair of half-cylinders that are plastically deformed at a middle portion in the width direction of the plate material at a portion between the two through holes and that are continuous with each other via a bent continuous portion provided at a portion between the two through holes. The half-cylinder portion is formed in a state where the brazing material is present on at least one of the inner peripheral surface side and the outer peripheral surface side of each of the half-cylindrical portions, and an axially intermediate portion of each of the half-cylindrical portions. By crushing the plate in the length direction of the plate,
A half of a partition wall is formed to partition a part of each of the half cylindrical portions in the axial direction, and a portion in which each of the through holes is formed is pushed in a length direction of the plate material, with an intermediate portion of each of the through holes as a boundary. By folding back to crush, a part of each half cylinder part is partitioned in the axial direction,
A flow control wall half having a cutout at the center of each end is formed, and then the bent continuous portion is plastically deformed, so that the ends of the pair of half-cylinder portions and the partition wall half are formed. A method for manufacturing a header for a heat exchanger having a partition wall and a flow control wall, wherein the end portions and the ends of the flow control wall halves are butted against each other and then heated to braze the respective butted portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31622596A JP3642644B2 (en) | 1996-11-27 | 1996-11-27 | Method of manufacturing header for heat exchanger having partition wall and flow rate adjusting wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31622596A JP3642644B2 (en) | 1996-11-27 | 1996-11-27 | Method of manufacturing header for heat exchanger having partition wall and flow rate adjusting wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10160384A true JPH10160384A (en) | 1998-06-19 |
| JP3642644B2 JP3642644B2 (en) | 2005-04-27 |
Family
ID=18074708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31622596A Expired - Fee Related JP3642644B2 (en) | 1996-11-27 | 1996-11-27 | Method of manufacturing header for heat exchanger having partition wall and flow rate adjusting wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3642644B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014126271A (en) * | 2012-12-26 | 2014-07-07 | Calsonic Kansei Corp | Evaporator structure |
| JP2017223399A (en) * | 2016-06-14 | 2017-12-21 | 株式会社デンソー | Cooling system |
| CN115200266A (en) * | 2021-04-09 | 2022-10-18 | 东芝开利株式会社 | Heat exchanger and refrigeration cycle device |
-
1996
- 1996-11-27 JP JP31622596A patent/JP3642644B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014126271A (en) * | 2012-12-26 | 2014-07-07 | Calsonic Kansei Corp | Evaporator structure |
| JP2017223399A (en) * | 2016-06-14 | 2017-12-21 | 株式会社デンソー | Cooling system |
| CN115200266A (en) * | 2021-04-09 | 2022-10-18 | 东芝开利株式会社 | Heat exchanger and refrigeration cycle device |
| CN115200266B (en) * | 2021-04-09 | 2024-03-26 | 东芝开利株式会社 | Heat exchanger and refrigeration cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3642644B2 (en) | 2005-04-27 |
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