JPH0245935B2 - PUREETONETSUKOKANKINOSEIZOHOHO - Google Patents
PUREETONETSUKOKANKINOSEIZOHOHOInfo
- Publication number
- JPH0245935B2 JPH0245935B2 JP59277998A JP27799884A JPH0245935B2 JP H0245935 B2 JPH0245935 B2 JP H0245935B2 JP 59277998 A JP59277998 A JP 59277998A JP 27799884 A JP27799884 A JP 27799884A JP H0245935 B2 JPH0245935 B2 JP H0245935B2
- Authority
- JP
- Japan
- Prior art keywords
- web
- distance
- flap
- flaps
- width direction
- 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 - Lifetime
Links
- 238000005520 cutting process Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 238000005304 joining Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明はプレート熱交換器の製造方法に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method of manufacturing a plate heat exchanger.
従来の技術
従来、プレート熱交換器は第４図に示すような
方法で製造されていた。すなわち、原反コイル１
から図外のアンコイラーで引き出された所定幅の
原料ウエツブ２は、ウエツブ長さ方向所定間隔お
きに切断されるとともに四隅部が四形に盗まれ
て、周囲にフラツプ３，４，５，６を有する平面
状の原料プレート７がつくられる。各原料プレー
ト７はプレス加工によつて、フラツプ３，４所定
角度折曲げられ、折曲げ端に略Ｌ字状の接合部３
ａ，４ａが形成された凹凸板８となり、次に、２
板の凹凸板８の接合部３ａ，４ａを突き合せてシ
ーム溶接等によつて一体化し、交換器ユニツト９
がつくられる。交換器ユニツト９のフラツプ５，
６は、それぞれ外方へ所定角度折曲げられ、折曲
げ端に略Ｌ字状の接合部５ａ，６ａが形成され
る。接合部５ａ，６ａが形成された各熱交換器ユ
ニツト９は、それぞれの接合部５ａ，６ａを突き
合せてシーム溶接等によつて一体化されて、上下
隣接する流路方向が互いに直交するプレート熱交
換器１０がつくられる。Prior Art Conventionally, plate heat exchangers have been manufactured by a method as shown in FIG. That is, the raw coil 1
A raw material web 2 of a predetermined width is pulled out by an uncoiler (not shown), and is cut at predetermined intervals along the length of the web, and the four corners are cut into four shapes, with flaps 3, 4, 5, and 6 formed around the periphery. A planar raw material plate 7 having the following properties is produced. Each raw material plate 7 is bent at a predetermined angle by the flaps 3 and 4 by press working, and a substantially L-shaped joint 3 is formed at the bent end.
a, 4a are formed on the uneven board 8, and then 2
The joint parts 3a and 4a of the uneven plate 8 are butted together and integrated by seam welding or the like, and the exchanger unit 9 is assembled.
is created. flap 5 of exchanger unit 9;
6 are each bent outward at a predetermined angle, and substantially L-shaped joints 5a, 6a are formed at the bent ends. Each heat exchanger unit 9 having joint portions 5a and 6a formed therein is formed into a plate whose upper and lower adjacent flow path directions are orthogonal to each other by butting the respective joint portions 5a and 6a and integrating them by seam welding or the like. A heat exchanger 10 is created.
発明が解決しようとする問題点
上記従来の方法によると、ウエツブ２を所定間
隔おきに幅方向に切断してプレート７を作り、
個々のプレート７を加工した後、その四辺部を接
合するため、連続的な製造が困難で、溶接量が多
いという問題があつた。Problems to be Solved by the Invention According to the above conventional method, the plates 7 are made by cutting the web 2 at predetermined intervals in the width direction.
After each plate 7 is processed, its four sides are joined, which makes continuous production difficult and requires a large amount of welding.
問題点を解決するための手段
上記従来の問題を解決するため、本発明のプレ
ート熱交換器製造方法は、所定幅を有するウエツ
ブの両側縁の相対応する位置に、前記ウエツブの
長さ方向距離がP1で幅方向距離がP2の側部切欠
きをウエツブ長さ方向所定間隔おきに打抜いて、
前記ウエツブ両側縁にウエツブ幅方向距離がP2
の第１のフラツプをウエツブ長さ方向所定間隔お
きに形成する行程と、前記相対応する側部切欠き
間のウエツブ幅方向中央位置にウエツブの長さ方
向距離がP1で幅方向距離が2P2の中央切欠きを打
抜き形成する行程と、前記中央切欠きから交互に
前記両側の側部切欠きのそれぞれにいたる方向に
ウエツブを切断し、該切断線の両側にウエツブ長
さ方向距離が1/2P1の第２のフラツプを形成する
行程と、ウエツブを前記中央切欠きのウエツブ長
さ方向に沿う方向の両縁に沿つて断面コ字形に折
曲げる行程と、折曲げたウエツブの前記第１のフ
ラツプを互いに折曲げて折曲げ端を接合する行程
と、前記第１のフラツプの折曲げ端が接合された
ウエツブを前記側部切欠きのウエツブ幅方向に沿
う方向の両縁に沿つてジグザグ状に折曲げる工程
と、前記第２のフラツプを折曲げて折曲げ端を接
合する工程とから構成したものである。Means for Solving the Problems In order to solve the above-mentioned conventional problems, the method for manufacturing a plate heat exchanger of the present invention provides a method for manufacturing a plate heat exchanger in which a web having a predetermined width is placed at corresponding positions on both side edges of the web at a distance in the longitudinal direction of the web. Punch out side notches with a distance of P 1 and a distance of P 2 in the width direction at predetermined intervals along the length of the web.
The distance in the width direction of the web on both sides of the web is P 2
The step of forming the first flaps at predetermined intervals in the length direction of the web, and forming the first flaps at the center position in the width direction of the web between the corresponding side notches with a distance in the length direction of the web of P 1 and a distance in the width direction of 2P. The process of punching and forming two central notches, and cutting the web alternately in directions from the central notch to each of the side notches on both sides, and cutting a distance of 1 in the length direction of the web on both sides of the cutting line. /2P 1 , a step of forming the second flap, a step of bending the web into a U-shaped cross section along both edges of the central notch along the length of the web, and a step of folding the first flaps together and joining the folded ends; and a process of bending the first flap to each other and joining the folded ends; and bending the web to which the folded ends of the first flap are joined along both edges of the side notch in the width direction of the web. This method consists of a step of bending the flap into a zigzag shape, and a step of bending the second flap and joining the bent ends.
作 用
上記構成において、ウエツブは、幅方向に完全
に切断されることなく加工されるので、プレート
熱交換器を連続的に、かつ、少ない接合量で製造
できる。しかも、形成される各流路の内面側は常
にウエツブの一方の面で形成できる。Function In the above configuration, the web is processed without being completely cut in the width direction, so that plate heat exchangers can be manufactured continuously and with a small amount of joints. Moreover, the inner surface of each channel formed can always be formed on one side of the web.
実施例
以下、本発明の一実施例を第１図〜第３図に基
づいて説明する。Embodiment Hereinafter, an embodiment of the present invention will be described based on FIGS. 1 to 3.
第１図は全体概略図、第２図は本発明によつて
つくられたプレート熱交換器の外観図、第３図は
第１図における−線断面図である。図面にお
いて、１１は所定幅の原料ウエツブ１２が巻回さ
れた原反コイルで、ウエツブ１２は該コイル１２
から図外のアンコイラー等によつて所定速度で引
き出される。ウエツブ１２は、第３図に示すよう
に、物性の異なる２枚の板体１２ａ，１２ｂを上
下に重ね合せてあり、重合面は適宜接着され、上
側の板体１２ａとして、クラツド板や表面処理板
等の耐蝕材が用いられ、下側の板体１２ｂには、
例えばFe系の安価な材料が使用されることにな
る。また、上下の板体１２ａ，１２ｂの材料は上
記の場合とは逆に配置されることもあり、その
他、一方をSS板に、他方をPbをクラツド板にす
ると、耐硫酸露点腐蝕に効果的となる。ウエツブ
１２は、第３図に示すような複合板のほか、単板
でもよく、また、単板のいずれか一方の面または
両側の面に表面処理を施したものでもよい。 FIG. 1 is an overall schematic diagram, FIG. 2 is an external view of a plate heat exchanger manufactured according to the present invention, and FIG. 3 is a sectional view taken along the line -- in FIG. 1. In the drawings, reference numeral 11 denotes a raw fabric coil around which a raw material web 12 of a predetermined width is wound;
It is pulled out at a predetermined speed by an uncoiler or the like (not shown). As shown in FIG. 3, the web 12 is made up of two plates 12a and 12b with different physical properties stacked one on top of the other, and the overlapping surfaces are glued as appropriate, and the upper plate 12a is made of a clad plate or surface treated. A corrosion-resistant material such as a plate is used, and the lower plate body 12b is made of
For example, an inexpensive Fe-based material will be used. In addition, the materials of the upper and lower plates 12a and 12b may be arranged in the opposite manner to the above case.In addition, if one is made of SS plate and the other is made of Pb clad plate, it is effective for sulfuric acid dew point corrosion resistance. becomes. The web 12 may be a composite board as shown in FIG. 3, or may be a single board, or may be a single board with surface treatment applied to one or both sides.
引き出されたウエツブ１２の両側縁１３，１４
の相対応する位置には、ウエツブ長さ方向間隔お
きに、ウエツブ１２長さ方向距離がP1で幅方向
距離がP2の矩形状の側部切欠き１３ａ，１４ａ
が打抜かれ、これにより、ウエツブ１２長さ方向
距離がＬで幅方向距離がP2のフラツプ１３ｂ，
１４ｂが、ウエツブ両側縁１３，１４に形成され
る。 Both side edges 13 and 14 of the pulled out web 12
At corresponding positions, rectangular side notches 13a, 14a are provided at intervals in the web length direction, with a distance in the length direction of the web 12 being P1 and a distance in the width direction being P2 .
is punched out, thereby forming flaps 13b, which have a lengthwise distance L of the web 12 and a widthwise distance P2 .
14b are formed on both side edges 13 and 14 of the web.
フラツプ１２の中央部には、前記相対応する側
部切欠き１３ａ，１４ａ間のウエツブ１２幅方向
中央位置に、ウエツブ１２長さ方向距離がP1で
幅方向距離が2P2の中央切欠き１５が打抜かれる
とともに、該中央切欠き１５から交互に前記側部
切欠き１３ａ，１４ａのそれぞれにいたる方向に
ウエツブ１２を切断し、該切断線Ｓへ両側にウエ
ツブ１２長さ方向距離が1/2P1で幅方向距離がＬ
のフラツプ１６Ｆ，１６Ｂが形成される。フラツ
プ１６Ｆはウエツブ１２引き出し方向下手側のも
の、フラツプ１６Ｂは上手側のものである。 In the center of the flap 12, a central notch 15 is provided at the center position in the width direction of the web 12 between the corresponding side notches 13a and 14a, and the distance in the length direction of the web 12 is P1 and the distance in the width direction is 2P2 . is punched out, and the web 12 is cut in the direction alternately from the central notch 15 to each of the side notches 13a and 14a, so that the longitudinal distance of the web 12 is 1/2 on both sides to the cutting line S. Width distance is L with 2P 1
flaps 16F and 16B are formed. The flap 16F is on the lower side in the drawing direction of the web 12, and the flap 16B is on the upper side.
各切欠き１３ａ，１４ａ，１５とフラツプ１３
ｂ，１４ｂ，１６Ｆ，１６Ｂが形成されたウエツ
ブ１２は、中央切欠き１５のウエツブ１２長さ方
向に沿う方向の両側縁に沿つて断面コ字形に折曲
げられる。該折曲げは、第１図に示すものは一対
の垂直ロール１７，１８によつて行なわれる。折
曲げられたウエツブ１２は、その両側縁のフラツ
プ１３ｂ，１４ｂが90゜折り曲げられた後、折曲
げ端が、例えば、シーム溶接によつて接合され
る。 Each notch 13a, 14a, 15 and flap 13
The web 12 on which the webs b, 14b, 16F, and 16B are formed is bent into a U-shaped cross section along both side edges of the central notch 15 in the longitudinal direction of the web 12. The folding is performed by a pair of vertical rolls 17, 18 as shown in FIG. After the folded web 12 has flaps 13b and 14b on both side edges bent by 90 degrees, the folded ends are joined by, for example, seam welding.
側縁のフラツプ１３ｂ，１４ｂが互いに接合さ
れたウエツブ１２は、切断加工されていない側の
側部切欠き１３ａ，１４ａのウエツブ１２幅方向
に沿う方向の両側縁に沿つてジグザグ状に折曲げ
られるとともに、フラツプ１６Ｆは前方にフラツ
プ１６Ｂは後方にそれぞれ折曲げられ、前方のフ
ラツプ１６Ｂと後方のフラツプ１６Ｆのそれぞれ
の折曲げ端部とが互いにシーム溶接等により接合
されて、隣接する流路１９が互いに直交するプレ
ート熱交換器２０がつくられる。 The web 12 with side edge flaps 13b and 14b joined to each other is bent in a zigzag shape along both side edges of the uncut side notches 13a and 14a in the width direction of the web 12. At the same time, the flap 16F is bent forward and the flap 16B is bent backward, and the bent ends of the front flap 16B and the rear flap 16F are joined to each other by seam welding or the like, so that the adjacent flow channels 19 are bent. Mutually orthogonal plate heat exchangers 20 are created.
このようにしてつくられたプレート熱交換器２
０は、各流路１９内面側がすべて一方の板体１２
ａによつて構成されることになり、P1，P2，Ｌ
等の距離を変更することによつて種々の形状を有
するプレート熱交換器２０をつくることができ
る。第２図に示すものは、上下に４個の流路１９
が形成され、各流路１９の幅、奥行がともにＬで
高さがP1＝2P2に設定されたプレート熱交換器２
０を示している。 Plate heat exchanger 2 made in this way
0, each flow path 19 inner surface side is all one plate body 12
a, P 1 , P 2 , L
Plate heat exchangers 20 having various shapes can be made by changing the distances such as . The one shown in Fig. 2 has four channels 19 on the top and bottom.
is formed, the width and depth of each flow path 19 are both L, and the height is set to P 1 = 2P 2 .
It shows 0.
発明の効果
以上説明したように、本発明によれば、ウエツ
ブを幅方向に完全に切断することなく、隣接して
いる流路が直交するプレート熱交換器を連続して
製造でき、歩留りを向上できる。しかも、各流路
の内面側は常にウエツブの一方の面で形成でき
る。また、接合のための溶接量を半減でき、さら
に、P1，P2，Ｌを変えることにより、流体の流
量に合わせた設計ができ、距離Ｌはウエツブ幅の
約1/2にできるので材料の無駄がほとんどない等
の利点を有する。Effects of the Invention As explained above, according to the present invention, plate heat exchangers in which adjacent channels intersect perpendicularly can be manufactured continuously without completely cutting the web in the width direction, thereby improving yield. can. Furthermore, the inner surface of each channel can always be formed on one side of the web. In addition, the amount of welding for joining can be halved, and by changing P 1 , P 2 , and L, the design can be tailored to the flow rate of the fluid, and the distance L can be made approximately 1/2 of the web width, making it possible to save material. It has the advantage that there is almost no waste.
第１図ないし第３図は本発明の一実施例を示
し、第１図は全体概略図、第２図は本発明によつ
てつくられたプレート熱交換器の外観図、第３図
は第１図における−線断面図、第４図は従来
例の全体概略図である。
１２……ウエツブ、１３，１４……側縁、１３
ａ，１４ａ……側部切欠き、１３ｂ，１４ｂ……
フラツプ（第１のフラツプ）、１５……中央切欠
き、１６Ｂ，１６Ｆ……フラツプ（第２のフラツ
プ）、Ｓ……切断線、P1，P2，Ｌ……距離。
1 to 3 show one embodiment of the present invention, FIG. 1 is an overall schematic diagram, FIG. 2 is an external view of a plate heat exchanger made according to the present invention, and FIG. 1 is a cross-sectional view taken along the line --, and FIG. 4 is an overall schematic diagram of the conventional example. 12... Web, 13, 14... Side edge, 13
a, 14a...side notch, 13b, 14b...
Flap (first flap), 15...center notch, 16B, 16F...flap (second flap), S...cutting line, P1 , P2 , L...distance.
Claims (1)
る位置に、前記ウエツブの長さ方向距離がP1で
幅方向距離がP2の側部切欠きをウエツブ長さ方
向所定間隔おきに打抜いて、前記ウエツブ両側縁
にウエツブ幅方向距離がP2の第１のフラツプを
ウエツブ長さ方向所定間隔おきに形成する行程
と、前記相対応する側部切欠き間のウエツブ幅方
向中央位置にウエツブの長さ方向距離がP1で幅
方向距離が2P2の中央切欠きを打抜き形成する行
程と、前記中央切欠きから交互に前記両側の側部
切欠きのそれぞれにいたる方向にウエツブを切断
し、該切断線の両側にウエツブ長さ方向距離が1/
２P1の第２のフラツプを形成する行程と、ウエツ
ブを前記中央切欠きのウエツブ長さ方向に沿う方
向の両縁に沿つて断面コ字形に折曲げる行程と、
折曲げたウエツブの前記第１のフラツプを互いに
折曲げて折曲げ端を接合する行程と、前記第１フ
ラツプの折曲げ端が接合されたウエツブを前記側
部切欠きのウエツブ幅方向に沿う方向の両縁に沿
つてジグザグ状に折曲げる工程と、前記第２のフ
ラツプを折曲げて折曲げ端を接合する工程とから
なることを特徴とするプレート熱交換器の製造方
法。1. Punch out side notches with a distance of P 1 in the length direction and a distance of P 2 in the width direction at predetermined intervals along the length of the web at corresponding positions on both side edges of the web having a predetermined width. , forming first flaps on both side edges of the web at predetermined intervals in the web width direction, and forming first flaps at predetermined intervals in the web width direction between the corresponding side notches; a step of punching and forming a central notch with a lengthwise distance of P1 and a widthwise distance of 2P2 , and cutting the web alternately in a direction from the central notch to each of the side notches on both sides, The distance in the web length direction on both sides of the cutting line is 1/
a process of forming a second flap of 2P1 ; a process of bending the web into a U-shaped cross section along both edges of the central notch in the direction along the length of the web;
a step of folding the first flaps of the bent web together and joining the bent ends; and a step of moving the web to which the bent ends of the first flaps are joined in a direction along the web width direction of the side notch. A method for manufacturing a plate heat exchanger, comprising the steps of: bending the second flap in a zigzag shape along both edges; and folding the second flap and joining the bent ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59277998A JPH0245935B2 (en) | 1984-12-28 | 1984-12-28 | PUREETONETSUKOKANKINOSEIZOHOHO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59277998A JPH0245935B2 (en) | 1984-12-28 | 1984-12-28 | PUREETONETSUKOKANKINOSEIZOHOHO |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61159237A JPS61159237A (en) | 1986-07-18 |
| JPH0245935B2 true JPH0245935B2 (en) | 1990-10-12 |
Family
ID=17591200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59277998A Expired - Lifetime JPH0245935B2 (en) | 1984-12-28 | 1984-12-28 | PUREETONETSUKOKANKINOSEIZOHOHO |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0245935B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03142027A (en) * | 1989-10-30 | 1991-06-17 | Netsuken Sangyo Kk | Manufacture of element blank body for heat exchanger and its element blank body and assembled element block thereof |
-
1984
- 1984-12-28 JP JP59277998A patent/JPH0245935B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61159237A (en) | 1986-07-18 |
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