JPH0379600B2 - - Google Patents
Info
- Publication number
- JPH0379600B2 JPH0379600B2 JP62095767A JP9576787A JPH0379600B2 JP H0379600 B2 JPH0379600 B2 JP H0379600B2 JP 62095767 A JP62095767 A JP 62095767A JP 9576787 A JP9576787 A JP 9576787A JP H0379600 B2 JPH0379600 B2 JP H0379600B2
- Authority
- JP
- Japan
- Prior art keywords
- plate material
- discontinuous
- flat plate
- elbow tube
- slits
- 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
- 238000005452 bending Methods 0.000 description 6
- 101700004678 SLIT3 Proteins 0.000 description 2
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
- B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、一端縁から他端縁に向かつて幅が次
第に変化した複数個の板片を環状に湾曲して複数
個の筒片を形成し、これら各筒片を互いに接合し
てなる片エルボー管に関し、特にその中間加工板
材に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention is directed to forming a plurality of cylindrical pieces by annularly curving a plurality of plate pieces whose widths gradually change from one end edge to the other end edge. However, the present invention relates to a single elbow tube formed by joining these cylindrical pieces to each other, and particularly relates to an intermediately processed plate material thereof.
（従来の技術）
従来の技術として、平板材を用意し、この平板
材をその一端縁から他端縁に向かつて所定の曲線
に従つてガス溶断することにより、片エルボー管
の各筒片に対応する板片をそれぞれ分断して形成
するようにしたものがあつた。(Prior art) As a conventional technology, each cylindrical piece of a single elbow pipe is cut by preparing a flat plate material and gas cutting the flat plate material from one end edge to the other edge along a predetermined curve. There was one in which the corresponding plate pieces were separated and formed.
（発明が解決しようとする問題点）
上記従来のものは、片エルボー管の構成部品で
ある各板片がそれぞれ分断されていたため、在庫
管理が煩わしくなるとともに、後工程で環状に湾
曲加工する際には、各板片をそれぞれ単独に湾曲
加工せねばならず、各板片の湾曲精度が不均一に
なる欠点があつた。(Problems to be Solved by the Invention) In the conventional method described above, each plate piece that is a component of a single elbow pipe is separated, which makes inventory management troublesome and when bending it into an annular shape in a later process. This method had the disadvantage that each plate piece had to be individually curved, resulting in uneven bending accuracy of each plate piece.
本発明は、上記欠点を解消した新規な片エルボ
ー管用中間加工板材を得ることを目的とする。 The object of the present invention is to obtain a novel intermediate processed plate material for single elbow pipes that eliminates the above-mentioned drawbacks.
（問題点を解決するための手段）
本発明は、上記目的を達成するために、片エル
ボー管の展開面積に相当する矩形状の平板材を設
け、この平板材に両端縁を残しその一端縁部から
他端縁部に向かつて断続して延びる不連続スリツ
トを所定の間隔を保持して複数本並列に形成する
とともに、各不連続スリツトは前記片エルボー管
の各筒片の接合縁の展開曲線に沿つて形成する構
成したものである。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a rectangular flat plate material corresponding to the expanded area of a single elbow tube, leaves both edges on this flat plate material, and leaves one edge of the flat plate material. A plurality of discontinuous slits extending intermittently from one end toward the other end edge are formed in parallel at a predetermined interval, and each discontinuous slit extends from the joint edge of each cylindrical piece of the single elbow pipe. It is configured to be formed along a curve.
（作用）
本発明は上記構成にしたものであるから、平板
材は、各不連続スリツトによつて片エルボー管の
各筒片に対応する複数個の板片に形成されるとと
もに、これら各板片は不連続スリツトの連結部に
より互いに連結されることになる。(Function) Since the present invention has the above configuration, the flat plate material is formed into a plurality of plate pieces corresponding to each cylindrical piece of one elbow tube by each discontinuous slit, and each of these plate pieces is formed by each discontinuous slit. The pieces will be connected to each other by discontinuous slit connections.
また平板材の端縁は上記不連続スリツトによつ
て分断されていないので、該平板材の端縁に鋭利
な角部が発生しなくなる。 Further, since the edges of the flat plate are not separated by the discontinuous slits, sharp corners are not generated at the edges of the flat plate.
また上記不連続スリツトが形成された平板材を
管状に形成した後は、この管状物は上記不連続ス
リツト部で容易に分断されることになる。 Furthermore, after the flat plate material with the discontinuous slits is formed into a tubular shape, the tubular material is easily divided at the discontinuous slits.
（実施例） 以下本発明の実施例を図面に基いて説明する。(Example) Embodiments of the present invention will be described below based on the drawings.
図面において、第１図は本発明の実施例を示す
中間加工板材の平面図、第２図はその湾曲加工状
態を示す斜視図、第３図は湾曲加工した中間加工
板材の斜視図、第４図は片エルボー管の平面図で
ある。 In the drawings, FIG. 1 is a plan view of an intermediately processed plate material showing an embodiment of the present invention, FIG. 2 is a perspective view showing its curved state, FIG. 3 is a perspective view of a curved intermediately processed plate material, and FIG. The figure is a plan view of a single elbow tube.
第１図において、１は長方形状の平板材であ
り、この平板材１は第４図に示す４片エルボー管
１０の展開面積に相当する面積を有する。 In FIG. 1, a rectangular flat plate 1 has an area corresponding to the expanded area of the four-piece elbow tube 10 shown in FIG.
上記平板材１は、その左端縁部から右端縁部に
向かつて延出する例えば３本の不連続スリツト
３，４，５を、NC制御装置を備えたレーザ加工
機（図示省略）により形成し、これにより中間加
工板材２を形成する。 The flat plate material 1 has, for example, three discontinuous slits 3, 4, and 5 extending from its left edge toward its right edge, formed by a laser processing machine (not shown) equipped with an NC control device. , thereby forming the intermediate processed plate material 2.
上記不連続スリツト３，４，５は、上下方向
（幅方向）に所定の間隔を保持して並列に形成す
るとともに、第４図に示す４片からなる片エルボ
ー管１０の各筒片１１，１２，１３，１４の接合
縁１０ａ，１０ｂ，１０ｃの展開曲線に沿う曲線
に形成し、これにより上記各不連続スリツト３，
４，５の両端に片エルボー管１０の各筒片１１，
１２，１３，１４の展開板に相当する板片６，
７，８，９を形成する。 The discontinuous slits 3, 4, and 5 are formed in parallel at a predetermined interval in the vertical direction (width direction), and each cylindrical piece 11, The joining edges 10a, 10b, 10c of the slits 12, 13, 14 are formed into curves that follow the development curves, thereby forming the respective discontinuous slits 3,
Each cylindrical piece 11 of the single elbow tube 10 is attached to both ends of 4 and 5,
Plate pieces 6 corresponding to development plates 12, 13, and 14,
Form 7, 8, 9.
また、上記各不連続スリツト３，４，５は、レ
ーザ光線により切断されたスリツト部アと上記切
断が停止された連結部イとからなり、連結部イ
は、例えば平板材１の左右端縁部および中間部２
箇所の４箇所に形成し、その長さはハンマー等で
軽い衝撃を付与した際に容易に切断できる程度、
例えば２mm程度とする。 Each of the discontinuous slits 3, 4, and 5 is composed of a slit portion A cut by a laser beam and a connecting portion B where the cutting is stopped. part and middle part 2
The length is such that it can be easily cut by applying a light impact with a hammer, etc.
For example, it is about 2 mm.
そして、上記各不連続スリツト３，４，５が形
成された中間加工板材２を、第２図に示すよう
に、ベンデイングロール機１５により一括して湾
曲加工する。 Then, the intermediate processed plate material 2 in which the discontinuous slits 3, 4, and 5 have been formed is collectively bent by a bending roll machine 15, as shown in FIG.
即ち、上記ベンデイングロール機１５は、互い
に離間配置した一対の駆動ロール１５ａ，１５ｂ
間の上方に、一本の調整ロール１５ｃを上下動調
節可能に配置してなり、上記中間加工板材２をそ
の不連続スリツト３，４，５が上記各ロール１５
ａ，１５ｂ，１５ｃの軸心に対して直交する如く
配置し、この状態で下部の駆動ローラ１５ａ，１
５ｂと上部の調整ローラ１５ｃとの間に噛み込ま
せることにより、上記中間加工板材２を一括して
筒状に湾曲加工し、第３図に示すように、各板片
６〜９が連結部イで互いに連結された中間加工筒
体２−１を形成する。 That is, the bending roll machine 15 has a pair of drive rolls 15a and 15b spaced apart from each other.
One adjustment roll 15c is arranged above the gap so that the vertical movement can be adjusted, and the discontinuous slits 3, 4, 5 of the intermediate processed plate material 2
a, 15b, 15c so as to be perpendicular to the axes of the lower drive rollers 15a, 15c.
5b and the upper adjustment roller 15c, the intermediate processed plate material 2 is collectively curved into a cylindrical shape, and each of the plate pieces 6 to 9 forms a connecting portion as shown in FIG. In step A, intermediate processed cylinders 2-1 are formed which are connected to each other.
そして、各不連続スリツト３，４，５の連結部
イに、ハンマーまたはタガネ等で衝撃を加えてこ
の部を切断し、上記中間加工筒体２−１を各不連
続スリツト３，４，５部で４個に分断し、これら
をその軸心を中心として180度回転させて溶接等
により互いに一体的に連結して第４図に示す４片
エルボー管１０を形成する。 Then, an impact is applied to the connection part A of each discontinuous slit 3, 4, 5 with a hammer or a chisel, etc. to cut this part, and the above-mentioned intermediate processing cylinder 2-1 is connected to each discontinuous slit 3, 4, 5. The tube is divided into four pieces at the section, rotated 180 degrees about its axis, and integrally connected to each other by welding or the like to form the four-piece elbow tube 10 shown in FIG.
なお、本発明は、上記不連続スリツト３，４，
５の数を増すことにより、片エルボー管１０を４
片以上で形成するようにしてもよい。 Note that the present invention provides the discontinuous slits 3, 4,
By increasing the number of 5, the single elbow tube 10 can be reduced to 4.
It may be formed of more than one piece.
（発明の効果）
以上の説明から明らかな如く、本発明によれ
ば、長方形状の平板材内に、片エルボー管の各筒
片の展開板に対応する一組の各板片が形成される
とともに、これら各板片が不連続スリツトの連結
部により互いに連結されることになる。(Effects of the Invention) As is clear from the above description, according to the present invention, a set of plate pieces corresponding to the expansion plates of each cylinder piece of the single elbow tube are formed in a rectangular flat plate material. At the same time, these plate pieces are connected to each other by connecting portions of discontinuous slits.
この場合、上記平板材の両端縁は、上記不連続
スリツトによつて分断されていないので、平板材
の両端縁に鋭利な角部が発生しなくなる。 In this case, since both edges of the flat plate material are not separated by the discontinuous slits, sharp corners are not generated at both ends of the flat plate material.
このため、片エルボー管に対応する一組の各板
材の保管および輸送が簡便にかつ安全に行なえる
とともに、これらを管状に湾曲加工させた後に、
この管状物を上記不連続スリツト部で容易にかつ
高精度に分断することができ、高精度の片エルボ
ー管を得ることができる効果を奏する。 For this reason, it is possible to easily and safely store and transport a set of each plate material corresponding to a single elbow pipe, and after bending them into a tubular shape,
This tubular object can be easily and precisely divided at the discontinuous slit portion, and a single elbow tube with high accuracy can be obtained.
第１図は本発明の実施例を示す中間加工板材の
平面図、第２図はその湾曲加工状態を示す斜視
図、第３図は湾曲加工した中間加工板材の斜視
図、第４図は片エルボー管の平面図である。
１：平板材、２：中間加工板材、２−１：中間
加工筒体、３〜５：不連続スリツト、ア：スリツ
ト部、イ：連結部、６〜９：板片、１０：エルボ
ー管、１１〜１４：筒片、１５：ベンデイングロ
ール機。
Fig. 1 is a plan view of an intermediately processed plate material showing an embodiment of the present invention, Fig. 2 is a perspective view showing its curved state, Fig. 3 is a perspective view of the intermediately processed plate material that has been curved, and Fig. 4 is a partial view of the intermediately processed plate material. It is a top view of an elbow tube. 1: Flat plate material, 2: Intermediate processed plate material, 2-1: Intermediate processed cylinder body, 3 to 5: Discontinuous slit, A: Slit part, B: Connecting part, 6 to 9: Plate piece, 10: Elbow pipe, 11-14: Cylinder piece, 15: Bending roll machine.
Claims (1)
平板材を設け、この平板材に両端縁を残しその一
端縁部から他端縁部に向かつて断続して延びる不
連続スリツトを所定の間隔を保持して複数本並列
に形成するとともに、各不連続スリツトは前記片
エルボー管の各筒片の接合縁の展開曲線に沿つて
形成したことを特徴とする片エルボー管用中間加
工板材。1. A rectangular flat plate corresponding to the expanded area of a single elbow tube is provided, and discontinuous slits extending intermittently from one end edge to the other end edge are provided at predetermined intervals, leaving both edges on this flat plate material. 1. An intermediate processed plate material for a single elbow tube, characterized in that a plurality of slits are held and formed in parallel, and each discontinuous slit is formed along a development curve of a joint edge of each cylindrical piece of the single elbow tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9576787A JPS63266294A (en) | 1987-04-18 | 1987-04-18 | Intermediate working plate material for single elbow pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9576787A JPS63266294A (en) | 1987-04-18 | 1987-04-18 | Intermediate working plate material for single elbow pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63266294A JPS63266294A (en) | 1988-11-02 |
| JPH0379600B2 true JPH0379600B2 (en) | 1991-12-19 |
Family
ID=14146636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9576787A Granted JPS63266294A (en) | 1987-04-18 | 1987-04-18 | Intermediate working plate material for single elbow pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63266294A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003301222A1 (en) * | 2002-12-23 | 2004-07-22 | Met-Coil Systems Corporation | Elbow rotator |
| JP6200299B2 (en) * | 2013-11-27 | 2017-09-20 | 株式会社アマダホールディングス | Shrimp pipe manufacturing method and machining program creation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111720A (en) * | 1983-10-31 | 1985-06-18 | フオスター ホイーラー エナジー コーポレーシヨン | Manufacture of pipe elbow |
-
1987
- 1987-04-18 JP JP9576787A patent/JPS63266294A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111720A (en) * | 1983-10-31 | 1985-06-18 | フオスター ホイーラー エナジー コーポレーシヨン | Manufacture of pipe elbow |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63266294A (en) | 1988-11-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |