JPH04127985A - Groove alignment mechanism - Google Patents
Groove alignment mechanismInfo
- Publication number
- JPH04127985A JPH04127985A JP2247010A JP24701090A JPH04127985A JP H04127985 A JPH04127985 A JP H04127985A JP 2247010 A JP2247010 A JP 2247010A JP 24701090 A JP24701090 A JP 24701090A JP H04127985 A JPH04127985 A JP H04127985A
- Authority
- JP
- Japan
- Prior art keywords
- gap
- misalignment
- groove
- measuring
- alignment mechanism
- 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.)
- Pending
Links
Landscapes
- Laser Beam Processing (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、ＣＯ２レーザを使って管状容器を溶接する開
先位置合わせ機構とレーザ溶接システムに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a groove positioning mechanism and a laser welding system for welding tubular containers using a CO2 laser.
［従来の技術〕
Ｃ○２レーザーを使った溶接方法や、ＣＯ２レーザ加工
機は数多く紹介されているが、被加工物の開先位置合わ
せ機構や、そのギャップ、及び、目違い量を測定して修
正する機構は、未だ見当らない。[Conventional technology] Many welding methods using C○2 lasers and CO2 laser processing machines have been introduced, but there is no method that measures the groove positioning mechanism of the workpiece, its gap, and the amount of misalignment. I haven't found any mechanism to fix it yet.
尚、レーザを用いてパイプとフランジを接合するものが
特開昭５９−１８９０９２号公報に開示されている。Incidentally, a method for joining a pipe and a flange using a laser is disclosed in Japanese Patent Laid-Open No. 189092/1989.
［発明が解決しようとする課題］
上記従来技術は、被加工物の開先位置合わせ方法につい
ては開発されておらず、溶接前の段取り作業時に治工具
や油圧ジヤツキを使用して作業者が目視によりギャップ
や目違いを確認して修正していた。[Problems to be Solved by the Invention] In the above-mentioned prior art, a method for aligning the groove of the workpiece has not been developed. This allows them to check and correct gaps and misalignments.
本発明の目的は、セットされた被加工物の開先部を位置
合わせし、たとえば、管同士に目違いやギャップが発生
した場合は、その値を計算し、適正な値まで自動で修正
する機構をレーザ加ニジステムに提供することにある。The purpose of the present invention is to align the grooves of the set workpieces, and if, for example, there is a misalignment or gap between the pipes, the value is calculated and automatically corrected to the appropriate value. The object of the present invention is to provide a mechanism for a laser injection system.
上記目的を達成する為に、本発明は開先位置合わせ機構
にさらに、目違い、ギャップ量を測定する機構を設けた
ものである。In order to achieve the above object, the present invention further includes a mechanism for measuring misalignment and gap amount in the groove alignment mechanism.
また、目違い量を測定するため、二個の被加工物にそれ
ぞれに変位センサを設け、二個共も同じ寸法になる様に
修正する方式とした。In addition, in order to measure the amount of misalignment, a displacement sensor was installed on each of the two workpieces, and the two workpieces were corrected so that they had the same dimensions.
さらに、ギャップ量を測定する方法としては、開先部の
近傍を上部より変位センサを設け、ギャップ量を測定す
る方式とした。Furthermore, as a method for measuring the gap amount, a displacement sensor was provided near the groove from above and the gap amount was measured.
［作用］
被加工物の目違いを測定する方法として、各々の管の外
径に変位センサの接触子を当て、センサ本体を固定する
ことにより二本のセンサの移動量を測定し、変換器で演
算することにより被加工物の目違いを測定し、油圧作動
の開先位置合わせ駆動系に電気信号を与えて目違いを修
正することが出来る。[Function] As a method of measuring the misalignment of the workpiece, the contact of the displacement sensor is applied to the outer diameter of each tube, the sensor body is fixed, the amount of movement of the two sensors is measured, and the transducer By calculating this, it is possible to measure the misalignment of the workpiece and correct the misalignment by applying an electric signal to the hydraulically operated groove alignment drive system.
また、開先部のギャップを測定する方法として開先部の
外径上部に変位センサをある間かくをおいてセットし、
被加工物の開先部のギャップを測定することにより、適
正な条件で溶接することが可能である。In addition, as a method to measure the gap in the groove, a displacement sensor is set at a certain distance above the outer diameter of the groove.
By measuring the gap between the grooves of the workpiece, it is possible to weld under appropriate conditions.
〔実施例］
以下、本発明の一実施例を第１回により説明する。今、
溶接しようとする管１ａと１ｂの内側に、目違いを修正
する拡管ロッド５と拡管こまか挿入されており、管１ａ
と１ｂのそれぞれの外周上部に高さセンサ２ａと２ｂか
設けられている。高さセンサ２ａと２ｂの信号線は、比
較計３に接続されさらに、比較計３の信号線は油圧装置
７を介して、油圧シリンダ４と接続される。次に動作に
ついて説明する。開先部の位置合わせしようとする被加
工物である管１ａの高さｈｌと管１ｂの高さｈｌのデー
タが比較計３に送られ、ｈｌとｈｌの差δを計算する。[Example] Hereinafter, an example of the present invention will be described in the first part. now,
A tube expansion rod 5 and a tube expansion piece are inserted inside the tubes 1a and 1b to be welded to correct the misalignment.
Height sensors 2a and 2b are provided on the upper outer periphery of each of the height sensors 2a and 1b. The signal lines of the height sensors 2a and 2b are connected to a comparator 3, and the signal line of the comparator 3 is further connected to a hydraulic cylinder 4 via a hydraulic device 7. Next, the operation will be explained. Data on the height hl of the pipe 1a and the height hl of the pipe 1b, which are the workpieces whose grooves are to be aligned, are sent to the comparator 3, and the difference δ between hl and hl is calculated.
その計算結果を油圧装置７に伝え、油圧シリンダ４を動
作させる。油圧シリンダ４が出張ることにより、テーパ
ロッド５と拡管コマ６の作用により、管１ａと管１ｂは
、芯合せ動作を行なう。この動作中、時々刻々と高さセ
ンサ２ａと２ｂが測定しその結果を比較計３に信号を出
すことによりδ＝０になるまで動作し、δ＝Ｏになると
芯合せ動作を停止することにより目違い修正を完了する
。The calculation result is transmitted to the hydraulic device 7, and the hydraulic cylinder 4 is operated. When the hydraulic cylinder 4 protrudes, the pipes 1a and 1b are aligned by the action of the taper rod 5 and tube expansion piece 6. During this operation, the height sensors 2a and 2b measure every moment and send a signal to the comparator 3 to operate until δ=0, and when δ=0, the alignment operation is stopped. Complete the misalignment correction.
さらに第２図において、管とフランジの開先部のギャッ
プ量測定と修正機構について説明する。Furthermore, referring to FIG. 2, a mechanism for measuring and correcting the gap between the groove portion of the pipe and the flange will be explained.
今、溶接しようとする被加工物の管１１とフランジ１２
の開先部外周上部にギャップセンサ１３を設け、ギャッ
プセンサの信号線は、比較１４に接続され、油圧装置１
７を介して油圧シリンダ１５を駆動させる。油圧シリン
ダの先には押付はロッド１６が固定される。次に動作に
ついて説明する。The pipe 11 and flange 12 of the workpieces to be welded now
A gap sensor 13 is provided at the upper part of the outer periphery of the groove, and the signal line of the gap sensor is connected to the comparison 14, and the signal line of the gap sensor is connected to the comparison 14.
The hydraulic cylinder 15 is driven via 7. A pressing rod 16 is fixed to the tip of the hydraulic cylinder. Next, the operation will be explained.
被加工物である管１１とフランジ１２のギャップｇをギ
ャップセンサ１３が測定し、そのデータを比較計１４に
送信し、ｇを測定しながら油圧装置１７を介して油圧シ
リンダ１５を動作させ押付ロッド１６をＸ方向に移動さ
せることによりギャップｇを修正することができる。本
実施例によれば、管同士または、管とフランジの突合わ
せ溶接時の開先部位置合わせが自動的に行なえるため、
レーザ溶接システムには大きな効果がある。The gap sensor 13 measures the gap g between the pipe 11 and the flange 12, which are the workpiece, and sends the data to the comparator 14, and while measuring g, the hydraulic cylinder 15 is operated via the hydraulic device 17, and the pressing rod is moved. 16 in the X direction, the gap g can be corrected. According to this embodiment, groove positioning during butt welding between tubes or between a tube and a flange can be performed automatically.
Laser welding systems have great benefits.
本発明によれば、管状容器の溶接作業において、被加工
物の開先位置合わせ作業が自動的に、かつ正確に実施出
来るため、大幅なコストダウンが図れる。According to the present invention, in the welding work of a tubular container, the groove positioning work of the workpiece can be automatically and accurately performed, so that a significant cost reduction can be achieved.
さらに、従来は、仮付作業と本溶接作業が別工程で行な
われていたが、本発明によれば、仮付作業を廃止し、−
気に本溶接が可能であるため、工程長短綿による短納期
化及び、コストダウンが図れる。Furthermore, in the past, the tack welding work and the main welding work were performed in separate processes, but according to the present invention, the tack welding work is abolished, and -
Since actual welding can be carried out quickly, it is possible to shorten the process length, shorten delivery times, and reduce costs.
第１図は、本発明の一実施例の開先部位置合わせ機構の
目違い測定方法を示した説明図、第２図は、同機構のギ
ャップ測定方法を示した説明図である。FIG. 1 is an explanatory diagram showing a method for measuring misalignment in a groove positioning mechanism according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing a method for measuring a gap in the same mechanism.
Claims (1)
る機構と、開先部のギャップを修正する機構とから成り
、前記目違いと前記ギャップの量を測定する機構を設け
たことを特徴とする開先部位置合わせ機構。1. Consisting of a mechanism for correcting the misalignment of the grooves between the tubes or between the pipes and the flange, and a mechanism for correcting the gap between the grooves, and a mechanism for measuring the misalignment and the amount of the gap. A groove positioning mechanism featuring:
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2247010A JPH04127985A (en) | 1990-09-19 | 1990-09-19 | Groove alignment mechanism |
| DE69123673T DE69123673T2 (en) | 1990-09-17 | 1991-09-10 | Metal container with stem and branch pipe and its manufacturing process. |
| EP91115361A EP0476501B1 (en) | 1990-09-17 | 1991-09-10 | Metal container having trunk pipe and branch pipe and its manufacturing method. |
| EP95108753A EP0672496A3 (en) | 1990-09-17 | 1991-09-10 | Laser machining center. |
| US07/760,890 US5444206A (en) | 1990-09-17 | 1991-09-17 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor |
| KR1019910016173A KR920006069A (en) | 1990-09-17 | 1991-09-17 | Structure of metal container with trunk pipe and branch pipe, manufacturing method and device |
| CN91109579A CN1060929A (en) | 1990-09-17 | 1991-09-17 | Its manufacture method of structure and equipment with canister of the person in charge and arm |
| US08/282,306 US5498849A (en) | 1990-09-17 | 1994-07-29 | Structure of metal container having trunk pipe and branch pipe, and manufacturing method and apparatus therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2247010A JPH04127985A (en) | 1990-09-19 | 1990-09-19 | Groove alignment mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04127985A true JPH04127985A (en) | 1992-04-28 |
Family
ID=17157050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2247010A Pending JPH04127985A (en) | 1990-09-17 | 1990-09-19 | Groove alignment mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04127985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009527360A (en) * | 2006-02-23 | 2009-07-30 | 三星重工業株式会社 | Weight balancer and pipe connection method |
| WO2020014521A1 (en) * | 2018-07-11 | 2020-01-16 | Keystone Tower Systems, Inc. | System for flange fitting for tubular structures; method of fitting a flange to a tubular section |
-
1990
- 1990-09-19 JP JP2247010A patent/JPH04127985A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009527360A (en) * | 2006-02-23 | 2009-07-30 | 三星重工業株式会社 | Weight balancer and pipe connection method |
| WO2020014521A1 (en) * | 2018-07-11 | 2020-01-16 | Keystone Tower Systems, Inc. | System for flange fitting for tubular structures; method of fitting a flange to a tubular section |
| KR20210032445A (en) * | 2018-07-11 | 2021-03-24 | 키스톤 타워 시스템스, 인코포레이티드 | Flange fittings for tubular structures |
| CN112805113A (en) * | 2018-07-11 | 2021-05-14 | 吉斯通塔系统公司 | A system for flange assembly of a tubular structure; method of fitting a flange to a tubular section |
| JP2021531169A (en) * | 2018-07-11 | 2021-11-18 | キーストーン タワー システムズ インコーポレイテッド | A system for flange mounting for a tubular structure and a method for mounting a flange on a tubular part |
| US11185952B2 (en) | 2018-07-11 | 2021-11-30 | Keystone Tower Systems, Inc. | Flange fitting for tubular structures |
| EP4088856A1 (en) * | 2018-07-11 | 2022-11-16 | Keystone Tower Systems, Inc. | Method of fitting a flange to a tubular section |
| CN115446567A (en) * | 2018-07-11 | 2022-12-09 | 吉斯通塔系统公司 | A system for flange assembly of a tubular structure; method of fitting a flange to a tubular section |
| CN117182500A (en) * | 2018-07-11 | 2023-12-08 | 吉斯通塔系统公司 | A system for flange fitting of a tubular structure; method of assembling flange to tubular section |
| US11883907B2 (en) | 2018-07-11 | 2024-01-30 | Keystone Tower Systems, Inc. | Flange fitting for tubular structures |
| JP2024026734A (en) * | 2018-07-11 | 2024-02-28 | キーストーン タワー システムズ インコーポレイテッド | System for flange attachment for cylindrical structures and method for attaching flanges to cylindrical parts |
| EP4371697A3 (en) * | 2018-07-11 | 2024-09-11 | Keystone Tower Systems, Inc. | Flange fitting for tubular structures |
| US20250010411A1 (en) * | 2018-07-11 | 2025-01-09 | Keystone Tower Systems, Inc | Flange fitting for tubular structures |
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