JPS63266294A - Intermediate working plate material for single elbow pipe - Google Patents

Intermediate working plate material for single elbow pipe

Info

Publication number
JPS63266294A
JPS63266294A JP9576787A JP9576787A JPS63266294A JP S63266294 A JPS63266294 A JP S63266294A JP 9576787 A JP9576787 A JP 9576787A JP 9576787 A JP9576787 A JP 9576787A JP S63266294 A JPS63266294 A JP S63266294A
Authority
JP
Japan
Prior art keywords
plate material
single elbow
elbow pipe
piece
discontinuous
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
Application number
JP9576787A
Other languages
Japanese (ja)
Other versions
JPH0379600B2 (en
Inventor
正人 永田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NAGATA YOSETSU KOGYO KK
Original Assignee
NAGATA YOSETSU KOGYO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NAGATA YOSETSU KOGYO KK filed Critical NAGATA YOSETSU KOGYO KK
Priority to JP9576787A priority Critical patent/JPS63266294A/en
Publication of JPS63266294A publication Critical patent/JPS63266294A/en
Publication of JPH0379600B2 publication Critical patent/JPH0379600B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture 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
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/28Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/286Making 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)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、一端から他端に向かって幅が次第に変化した
複数個の平板片を環状に湾曲して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 relates to a one-piece elbow pipe formed by joining together a plurality of flat plate pieces whose width gradually changes from one end to the other, curved into an annular shape. , especially regarding intermediate processed plate materials.

(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
一端から他端に向かって所定の曲線に従ってガス溶断す
ることにより、片エルボー管の各片をなす板片をそれぞ
れ分断して形成するようにしたものがあった。
(Prior art) As a conventional technology, a flat plate material is prepared, and the plate pieces constituting each piece of a single elbow pipe are cut by gas welding from one end of the flat plate material to the other end along a predetermined curve. There was one that was divided 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った。
(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
にその一端から他端に向かって断続する不連続スリット
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
、各不連続スリットは前記片エルボー管の各片の接合縁
の展開曲線に沿っ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, and extends from one end of the flat plate material to the other end. A plurality of discontinuous slits are formed in parallel at predetermined intervals, and each discontinuous slit is formed along the development curve of the joining edge of each piece of the single elbow tube. .

(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
不連続スリットによって片エルボー管の各片に対応する
複数個の片仮に形成されるとともに、これら各片板は不
連続スリッ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 temporary pieces corresponding to each piece of the single elbow tube by each discontinuous slit, and each of these pieces is discontinuous. They are connected to each other by the connecting portion of the slit.

(実施例) 以下1本発明の実施例を図面に基いて説明する。(Example) An embodiment of the present invention will be described below with reference to 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−管10の展開面積に
相当する面積を有する。
In FIG. 1, reference numeral 1 denotes a rectangular flat plate material, and this flat plate material 1 has an area corresponding to the developed area of the four-piece elbow tube 10 shown in FIG.

上記平板材1は、その左端から右端に向かって延出する
例えば3本の不連続スリット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 is formed with, for example, three discontinuous slits 3, 4, and 5 extending from its left end toward its right end using a laser processing machine (not shown) equipped with an NC control device. A processed plate material 2 is formed.

上記不連続スリット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
リット3・4・5の両側に片エルボー管1oの各筒片1
1・工2・13・14の展開板に相当する板片6・7・
8・9を形成する。
The above discontinuous slits 3, 4, and 5 are in the vertical direction (width direction)
are formed in parallel with a predetermined interval, and
Each cylinder piece 11 of the elbow pipe 10 consisting of four pieces shown in the figure.
The joining edges 10a, 10b, 10c of the joints 12, 13, and 14 are formed into curves that follow the development curves, so that each cylindrical piece 1 of the single elbow tube 1o is formed on both sides of each of the discontinuous slits 3, 4, and 5.
1. Plate pieces 6, 7, and 7 corresponding to the development plates of 2, 13, and 14
Form 8 and 9.

また、上記各不連続スリット3・4・5は、レーザ光線
により切断されたスリット部(ア)と上記切断が停止さ
れた連結部(イ)とがらなり、連結部(イ)は、例えば
平板材1の左右端部および中間部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2部程度とする。
In addition, each of the discontinuous slits 3, 4, and 5 has a slit portion (A) cut by a laser beam and a connecting portion (B) where the cutting is stopped, and the connecting portion (A) is made of, for example, a flat plate material. 1, and the length is such that it can be easily cut when a light impact is applied with a hammer or the like, for example, about 2 parts.

そして、上記各不連続スリット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、ベンディング
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、上記ベンディングロール機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をその不連続スリット3・4・5
が上記各ロール15a・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15
a・15b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 one adjusting roll 15c arranged above a pair of drive rolls 15a and 15b spaced apart from each other so as to be vertically adjustable, and the bending roll machine 15 bends the intermediately processed plate material 2 by adjusting its vertical movement. Continuous slit 3, 4, 5
is arranged perpendicularly to the axis of each of the rolls 15a, 15b, and 15c, and in this state, the lower drive roller 15
By being caught between a.15b and the upper adjustment roller 15c, the intermediately processed plate material 2 is collectively curved into a cylindrical shape, and each of the plate pieces 6 to 9 is bent as shown in FIG. form an intermediate processed cylinder 2-1 that is connected to each other at a connecting portion (a).

そして、各不連続スリット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
爾し、上記中間加工筒体2−1を各不連続スリ′ット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−管1oを形成する。
Then, 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 separated from each discontinuous part. slit 3
- Divide into four parts at 4 and 5 parts, rotate them 180 degrees about their axis, and integrally connect them to each other by welding or the like to form the four-piece elbow tube 1o shown in FIG. 4.

なお、本発明は、上記不連続スリット3・4・5の数を
増すことにより、片エルボー管1oを4片以上で形成す
るようにしてもよい。
In addition, in the present invention, the single elbow tube 1o may be formed of four or more pieces by increasing the number of the discontinuous slits 3, 4, and 5.

(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
する一組の各片板が形成されるとともに、これら各片板
が不連続スリッ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 pieces corresponding to the expansion plates of each cylinder piece of a single elbow tube are formed in a rectangular flat plate material. At the same time, these pieces of plates are connected to each other by connecting portions of discontinuous slits.

このため、片エルボー管に対応する一組の各片板の保管
・輸送が簡便になるとともに、これらを一括して湾曲加
工することができ、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。
Therefore, it is easy to store and transport a set of each piece plate corresponding to a single elbow pipe, and it is also possible to bend them all at once, which has the effect of making it possible to obtain a single elbow pipe with high precision. play.

【図面の簡単な説明】 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祖国、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:不連続スリット、(ア)ニスリット部、(イ
):連結部、6〜9:板片、10:エルボ−管、11〜
14:筒片、15:ペンディングロール機。 出願代理人   松 本  久 第   1  図 第  4  図
[Brief Description of the Drawings] Fig. 1 is a plan view of an intermediate processed plate showing an embodiment of the present invention;
FIG. 2 is a tilted motherland showing the state of the bent workpiece, FIG. 3 is a perspective view of the intermediately worked plate material that has been bent, and FIG. 4 is a plan view of the single elbow tube. 1: Flat plate material, 2: Intermediately processed plate material, 2-1: Intermediately processed cylinder body, 3 to 5: Discontinuous slit, (A) Nislit part, (B): Connecting part, 6 to 9: Plate piece, 10: Elbow tube, 11~
14: Cylinder piece, 15: Pending roll machine. Application agent: Hisada Matsumoto Figure 1 Figure 4

Claims (1)

【特許請求の範囲】[Claims] 1、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、この平板材にその一端から他端に向かって断続
する不連続スリッ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、各不連続スリットは前記片エルボ
ー管の各片の接合縁の展開曲線に沿って形成したことを
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 a plurality of discontinuous slits are formed in parallel at a predetermined interval from one end to the other end of the flat plate. In addition, each discontinuous slit is formed along the development curve of the joint edge of each piece of the single elbow pipe, wherein the intermediate processed plate material for a single elbow pipe is characterized in that each discontinuous slit is formed along a development curve of a joining edge of each piece of the single elbow pipe.
JP9576787A 1987-04-18 1987-04-18 Intermediate working plate material for single elbow pipe Granted JPS63266294A (en)

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 true JPS63266294A (en) 1988-11-02
JPH0379600B2 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006522278A (en) * 2002-12-23 2006-09-28 メット−コイル システムズ コーポレーション Elbow Rotator
JP2015100825A (en) * 2013-11-27 2015-06-04 株式会社アマダ Method for manufacturing miter elbow and processing program creation device

Citations (1)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006522278A (en) * 2002-12-23 2006-09-28 メット−コイル システムズ コーポレーション Elbow Rotator
JP2015100825A (en) * 2013-11-27 2015-06-04 株式会社アマダ Method for manufacturing miter elbow and processing program creation device

Also Published As

Publication number Publication date
JPH0379600B2 (en) 1991-12-19

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