JPH0246976A - Welding device having weld line profiling mechanism - Google Patents
Welding device having weld line profiling mechanismInfo
- Publication number
- JPH0246976A JPH0246976A JP19601088A JP19601088A JPH0246976A JP H0246976 A JPH0246976 A JP H0246976A JP 19601088 A JP19601088 A JP 19601088A JP 19601088 A JP19601088 A JP 19601088A JP H0246976 A JPH0246976 A JP H0246976A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- copying
- weld line
- leaf spring
- leaf springs
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 154
- 238000013016 damping Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000002250 progressing effect Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000555745 Sciuridae Species 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はアーク溶接装置に係り、特に溶接線に対する倣
い精度が良好で、溶接アークの安定性が良く、溶接欠陥
が生じない高品質の溶接部が得られる溶接線倣い機構を
備えたアーク溶接装置に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an arc welding device, and particularly to high-quality welding with good tracing accuracy for welding lines, good welding arc stability, and no welding defects. The present invention relates to an arc welding device equipped with a welding line copying mechanism that can obtain a welding line.
従来、溶接線の倣いセンサとして用いられている接触式
倣いセンサの一例として、いわゆるガイドホイール（案
内軸）を用いて、溶接開先の倣いを行う方法が一般的に
採用されている。Conventionally, as an example of a contact-type tracing sensor used as a welding line tracing sensor, a method is generally adopted in which a so-called guide wheel (guide shaft) is used to trace a weld groove.
このガイドホイールによる溶接線の倣い装置は。This is a weld line copying device using a guide wheel.
例えば第３図および第４図に示すごとく、被溶接材であ
るチューブ１と、該チューブ１に挟設されたフィン２に
よって構成されるパネル溶接において、支持体１５に固
定された倣いローラ１４を溶接線に沿って接触させたも
のである。また、支持体１５は溶接ノズル１１を保持し
、ピン１８を設けたシャフト１６との間にバネ１７を有
する構造である。溶接進行方向１３において、電極であ
る溶接ワイヤ１２に先行した倣いローラ１４は、溶接線
に沿って回転する。For example, as shown in FIGS. 3 and 4, in panel welding that is made up of a tube 1 that is a material to be welded and a fin 2 sandwiched between the tube 1, a copying roller 14 fixed to a support 15 is used. The contact was made along the weld line. The support body 15 holds the welding nozzle 11 and has a spring 17 between it and a shaft 16 provided with a pin 18. In the welding progress direction 13, a copying roller 14 that precedes the welding wire 12, which is an electrode, rotates along the welding line.
溶接線が上下に変化する場合は、バネ１７が作動し。When the welding line changes up and down, the spring 17 is activated.
倣いローラ１４は常時溶接線上に接触していることにな
る。溶接線上の移動量は、倣いローラ１４を固定した支
持体１５より伝達され、溶接ノズル（溶接トーチ）１１
より供給された溶接ワイヤ１２の先端位置を、常にほぼ
一定となるように制御している。The copying roller 14 is always in contact with the weld line. The amount of movement on the welding line is transmitted from the support 15 to which the copying roller 14 is fixed, and the amount of movement on the welding line is transmitted to the welding nozzle (welding torch) 11.
The position of the tip of the welding wire 12 supplied by the welding wire 12 is controlled to always remain approximately constant.
なお、第３図および第４図には図示していないが。Although not shown in FIGS. 3 and 4.
倣いローラを駆動する駆動体が設けられている。A driver is provided to drive the copying roller.
一方、第５図に示すガイドホイール式の溶接開先の倣い
装置は、溶接進行方向１３において、溶接ノズル１１に
先行する倣いローラ１４を２個設けたものであり、倣い
ローラ１４の動作は、上記第３図および第４図の場合と
ほぼ同様であり、サブマージアーク溶接におけるＶ溝の
溶接開先の場合の直線溶接継手に好適であるとしている
（「溶接技術」１９８５年６月号第３９頁〜第４３頁）
。On the other hand, the guide wheel type welding groove copying device shown in FIG. 5 is provided with two copying rollers 14 that precede the welding nozzle 11 in the welding progress direction 13, and the action of the copying rollers 14 is as follows. It is almost the same as the cases shown in Figures 3 and 4 above, and is said to be suitable for straight weld joints in the case of V-groove weld grooves in submerged arc welding (``Welding Technology'', June 1985 issue, No. 39). page ~ page 43)
.
上述したごとく、従来技術における倣いローラを用いた
溶接線の倣い装置においては、倣いローラが接触する溶
接線が局部的に凸凹状になっていること、および突起物
が付着しているなどの状態では、倣いローラの移動量が
そのまま直接溶接ノズルに伝達されるため、溶接ノズル
を瞬間的に上下に振動させるという欠点があった。また
、従来の倣い装置においては、溶接中に倣いローラにス
パッタが付着して、溶接線の倣い位置から外れたり、溶
接線と接触するたびに、その変位量が溶接ノズルに伝達
されることなどの問題を解決するための配慮は全くなさ
れておらず、溶接アークが不安定になったり、アンダー
カット、溶は込み不良。As mentioned above, in the conventional weld line copying device using a copying roller, the weld line that the copying roller comes into contact with is locally uneven, has protrusions attached, etc. However, since the amount of movement of the copying roller is directly transmitted to the welding nozzle, there is a drawback that the welding nozzle is momentarily vibrated up and down. In addition, with conventional copying devices, spatter adheres to the copying roller during welding, causing it to deviate from the welding line copying position, and each time it comes into contact with the welding line, the amount of displacement is transmitted to the welding nozzle. No consideration was given to solving the problems, resulting in unstable welding arcs, undercuts, and poor penetration.
偏肉などの溶接欠陥が発生するなど多くの問題があった
。There were many problems such as welding defects such as uneven thickness.
本発明の目的は、上記従来技術における問題点を解消し
、溶接線上に凹凸や２局部的な突起物があっても、この
瞬間的な変位量が溶接ノズルへ直接伝達されないような
構造にして、倣い精度が極めて良好で、安定した溶接ア
ークを発生させ高品質の溶接部を得ることのできる溶接
線倣い機構を備えた溶接装置を提供することにある。An object of the present invention is to solve the above-mentioned problems in the prior art, and to create a structure in which even if there are irregularities or two local protrusions on the welding line, this instantaneous displacement is not directly transmitted to the welding nozzle. An object of the present invention is to provide a welding device equipped with a welding line tracing mechanism that has extremely good tracing accuracy, generates a stable welding arc, and can obtain a high-quality welded part.
上記本発明の目的は、溶接線上を溶接進行方向に対し、
板バネの端部が所定の荷重で摺接移動する複数枚の板バ
ネを、所定の間隔で配置して構成した板バネ式接触倣い
センサを溶接装置に設けることにより、達成される。The object of the present invention is to
This is achieved by providing a welding device with a leaf spring type contact tracing sensor configured by arranging a plurality of leaf springs at predetermined intervals, the ends of which slide into contact with each other under a predetermined load.
本発明は９例えば伝熱管とフィンなどの被溶接部材によ
って形成された溶接線上を、倣いながら溶接を行う溶接
線倣い機構を備えた溶接トーチにおいて、上記溶接線倣
い機構として、複数枚の板バネを、該板バネの先端部が
溶接線上に所定の荷重で押圧され、かつ上記溶接線上の
溶接方向に摺動可能に設けると共に、上記複数枚の板バ
ネのそれぞれを所定間隔に配置して２板バネ式接触倣い
センサを構成し、該板バネ式接触倣いセンサを。The present invention provides a welding torch equipped with a welding line tracing mechanism that performs welding while tracing a welding line formed by members to be welded such as a heat exchanger tube and a fin, for example, in which a plurality of plate springs are used as the welding line tracing mechanism. The tip of the leaf spring is pressed onto the welding line with a predetermined load and is provided so as to be slidable in the welding direction on the welding line, and each of the plurality of leaf springs is arranged at a predetermined interval. A leaf spring type contact copying sensor is constructed, and the leaf spring type contact copying sensor is configured.
振動緩衝支持部材を介して上記溶接トーチに設けた構造
の溶接装置である。This welding device has a structure in which the welding torch is provided with a vibration-absorbing support member interposed therebetween.
本発明の溶接線倣い機構を備えた溶接装置において、板
バネ式接触倣いセンサを構成する複数枚の板バネは、少
なくとも３枚以上の板バネからなることが望ましい。In the welding apparatus equipped with the welding line copying mechanism of the present invention, it is desirable that the plurality of leaf springs constituting the leaf spring type contact copying sensor consist of at least three or more leaf springs.
そして２本発明の溶接線倣い機構を備えた溶接装置にお
いて、板バネ式接触倣いセンサを構成する複数枚の仮バ
ネの間隔は２〜６ｔ＋ａの範囲にすることが好ましい。In the welding apparatus equipped with the welding line copying mechanism according to the second aspect of the present invention, it is preferable that the interval between the plurality of temporary springs constituting the plate spring type contact copying sensor is in the range of 2 to 6t+a.
本発明の溶接線倣い機構を備えた溶接装置は。A welding device equipped with a welding line copying mechanism according to the present invention is a welding device equipped with a welding line copying mechanism.
板バネ式接触倣いセンサを支持する倣いセンサ支持部材
と、上記倣いセンサを駆動させる駆動体を支持する駆動
体支持部材とを、複数枚の板バネによって構成された中
間支持部材に連結固定した振動緩衝構造とすることが望
ましい。A vibration sensor supporting member that supports a leaf spring-type contact tracing sensor and a driver support member that supports a driver that drives the tracing sensor are connected and fixed to an intermediate support member made up of a plurality of leaf springs. It is desirable to have a buffer structure.
さらに本発明の溶接線倣い機構を備えた溶接装置は、板
バネ式接触倣いセンサを支持する倣いセンサ支持部材と
、上記倣いセンサを駆動させる駆動体を、２列で複数枚
の板バネによって保持する構造とした駆動体支持部材と
を、複数枚の板バネによって構成された中間支持部材に
連結固定した振動緩衝構造とすることが好ましい。Further, in the welding device equipped with the welding line copying mechanism of the present invention, a copying sensor support member that supports a leaf spring type contact copying sensor and a drive body that drives the copying sensor are held by a plurality of leaf springs in two rows. It is preferable to form a vibration damping structure in which the driver supporting member having the structure is connected and fixed to an intermediate supporting member constituted by a plurality of leaf springs.
溶接線の接触倣いセンサはできるだけコンパクトである
こと、溶接の開先の加工精度が悪い場合。Contact tracing sensors for weld lines must be as compact as possible, and when the machining accuracy of the weld groove is poor.
開先形状が急に変化する場合、あるいは開先内に突起物
などが存在しても倣い精度が良好でなければならない。Good tracing accuracy is required even if the groove shape changes suddenly or if there are protrusions inside the groove.
このため、一定の間隔で配置した複数枚の板バネの先端
部を溶接線上に接触させ、溶接進行方向に対して溶接線
上を摺動するように設け、それぞれの板バネには同等の
荷重をかけ溶接線上に押しつけながら移動させる。これ
により、溶接線上に。For this reason, the tips of multiple leaf springs placed at regular intervals are placed in contact with the weld line, and are placed so that they slide on the weld line in the direction of welding progress, and the same load is applied to each leaf spring. Move it while pressing it onto the weld line. This allows the weld line to be placed on the weld line.
例えばスパッタなどの突起物が存在しても、複数枚の中
の１枚の板バネのみが、溶接線上のスパッタ付着面を、
そのスパッタ形状に沿って徐々に浮き上がリスバッタの
最高位置を通過した後、また元の溶接線の倣い位置に戻
ることになる。その間。For example, even if there is a protrusion such as spatter, only one leaf spring out of the plurality of leaf springs will protect the spatter-attached surface on the weld line.
After the raised spatter gradually passes through the highest position of the squirrel spatter, it returns to the original position following the welding line. meanwhile.
他の板バネは所定の荷重によって溶接線上に押圧されて
いるので、溶接線上に付着したスパッタの大きさがもた
らす瞬間的な溶接ノズルへの変位量を吸収することがで
き、溶接ノズル（溶接トーチ）に伝わる振動を小さくす
ることが可能となり、溶接アークの安定性の向上をはか
ることができる。Since the other leaf springs are pressed onto the welding line by a predetermined load, they can absorb the instantaneous displacement of the welding nozzle caused by the size of the spatter attached to the welding line, and the welding nozzle (welding torch) ), it is possible to reduce the vibrations transmitted to the welding arc, and it is possible to improve the stability of the welding arc.
以下に本発明の一実施例を挙げ２図面に基づいて、さら
に詳細に説明する。An embodiment of the present invention will be described below in more detail based on two drawings.
発電用ボイラの一部を構成している炉壁は９通常の場合
、水冷壁管、天井壁管からなり、一般的に、小径管をオ
ープンピッチに配列し、その間隙にフィンを溶接したパ
ネル構造となっている。このパネルは、炉壁内からバー
ナにより加熱され。The furnace wall that forms part of a power generation boiler usually consists of water-cooled wall tubes and ceiling wall tubes, and is generally a panel in which small-diameter tubes are arranged at an open pitch and fins are welded between the gaps. It has a structure. This panel is heated by a burner from within the furnace wall.
管内を流れる水を加熱して蒸気に変換するもので。It heats the water flowing through the pipe and converts it into steam.
高温高圧部品を構成するものである。また、パネル自身
が直接加熱炭に接し、ボイラの起動停止時におけるパネ
ルの伸縮量は大きい。このため、管とフィンを溶接した
パネル構造体は、燃焼ガスの炉外流出を防止する気密性
のみならず応力の集中を受けるので、溶接部のアンダー
カット、偏肉などは破損の原因となり、また溶接部の浅
い溶は込みは伝熱面積を小さくシ、ボイラの熱交換性能
を低下させるため高品質の溶接部が要求される。It constitutes high-temperature, high-pressure parts. Furthermore, the panel itself is in direct contact with the heating coal, and the amount of expansion and contraction of the panel when the boiler is started and stopped is large. For this reason, the panel structure in which the tubes and fins are welded is not only airtight to prevent combustion gas from flowing out of the furnace, but is also subject to stress concentration, so undercuts, uneven thickness, etc. at welded parts can cause damage. In addition, shallow weld penetration reduces the heat transfer area and reduces the heat exchange performance of the boiler, so high-quality welds are required.
第１図および第２図に２本発明の溶接線の倣い装置の一
例を示す。第１図は溶接線倣い装置の正面図、第２図は
その側面図であり、溶接姿勢が上向きの場合を示す。そ
して、配列されたチューブ１に挟設されたフィン２によ
って構成されるパネルの溶接において、ホルダ４に固定
された板バネ（■）３は、パネル軸と任意のバネ角度１
０を有し。FIG. 1 and FIG. 2 show two examples of the weld line copying device of the present invention. FIG. 1 is a front view of the welding line copying device, and FIG. 2 is a side view thereof, showing a case where the welding position is upward. When welding a panel composed of fins 2 sandwiched between arranged tubes 1, a leaf spring (■) 3 fixed to a holder 4 is connected to the panel axis at an arbitrary spring angle 1.
It has 0.
所定の押圧力によって溶接線を倣うものである。The weld line is traced using a predetermined pressing force.
ホルダ４は複数枚の板バネ（■）６を保持する支持具５
の端部に連結されている。板バネ（■）６の端部は、中
間支持具７により支持されている。The holder 4 is a support 5 that holds a plurality of leaf springs (■) 6.
is connected to the end of the The end of the leaf spring (■) 6 is supported by an intermediate support 7.
また、中間支持具７と駆動体９の間に複数枚の板バネ（
■）８を連結し、溶接線倣い装置を駆動している。板バ
ネ（■）３を固定したホルダ４は。Additionally, a plurality of leaf springs (
■) 8 are connected to drive the weld line copying device. The holder 4 to which the leaf spring (■) 3 is fixed is.
一方の端部に溶接ノズル１１を保持している。板バネ（
Ｉ）３は、溶接進行方向１３に対して電極である溶接ワ
イヤ１２に先行し、少なくとも３枚以上の板バネ（Ｉ）
３を、おおよそ２．０ｍｍから６．０ｍｍの間隔で配置
し、溶接ワイヤ１２の方向へ傾斜角をもたせた構造であ
る。A welding nozzle 11 is held at one end. Leaf spring (
I) 3 includes at least three leaf springs (I) preceding the welding wire 12, which is an electrode, in the welding progress direction 13.
3 are arranged at intervals of approximately 2.0 mm to 6.0 mm, and have an inclined angle in the direction of the welding wire 12.
次に２本実施例において例示した溶接線倣い装置の動作
について説明する。第１図および第２図において、溶接
進行方向１３に所定の間隔で配置された複数枚の板バネ
（Ｉ）３は、それぞれに同等の所定の荷重がかけられ、
溶接線上に押し付けられ、板バネ（Ｉ）３の先端部が溶
接線上を摺動するように配置されている。これにより、
溶接線上に２例えばスパッタなどの突起物があった場合
に。Next, the operation of the weld line copying device illustrated in the two embodiments will be explained. In FIGS. 1 and 2, a plurality of leaf springs (I) 3 arranged at predetermined intervals in the welding progress direction 13 are each subjected to an equal predetermined load,
The leaf spring (I) 3 is placed so that it is pressed onto the weld line and the tip of the leaf spring (I) 3 slides on the weld line. This results in
2. If there is a protrusion such as spatter on the weld line.
板バネ（Ｉ）３の中の１枚の板バネはスパッタ表面をそ
の突起形状に沿って浮き上がり、スパッタ突起物の最大
位置を通過した後、また元の溶接線の倣い位置に戻る。One of the leaf springs (I) 3 floats up on the sputtered surface along its protrusion shape, passes through the maximum position of the sputtered protrusion, and then returns to the original position following the welding line.
その間、他の板バネ（Ｉ）３は、所定の押圧力によって
常時溶接線上を倣っており、溶接線の倣い位置ズレを防
止している。また、比較的大きな突起物が溶接線上に介
在している場合においても、１枚の板バネ（Ｉ）３にか
かる振動量は、板バネ（■）３で吸収される他に。Meanwhile, the other leaf spring (I) 3 is constantly tracing the welding line with a predetermined pressing force, thereby preventing the welding line from shifting in position. Further, even when a relatively large protrusion is present on the weld line, the amount of vibration applied to one leaf spring (I) 3 is not only absorbed by the leaf spring (■) 3.
板バネ（■）６および板バネ（■）８によっても吸収さ
れるため、溶接ノズル１１への変位量が極めて小さくな
る。溶接ワイヤ１２側に位置する板バネ（Ｉ）３は、溶
接中に、その表面にスパッタなどが付着し、そのまま溶
接線上を倣うことになるが。Since it is also absorbed by the leaf spring (■) 6 and the leaf spring (■) 8, the amount of displacement to the welding nozzle 11 becomes extremely small. During welding, the plate spring (I) 3 located on the welding wire 12 side will have spatter attached to its surface and will continue to follow the welding line.
溶接ノズル１１への影響はほとんどなく、倣い精度は他
の２枚以上設けた板バネ（■）３によって十分にその目
的を達成し得る。There is almost no influence on the welding nozzle 11, and the tracing accuracy can be sufficiently achieved by the other two or more leaf springs (■) 3 provided.
本実施例は、パネル溶接の場合であり、１本のフィン２
に対して、その両側にチューブ１が配列される形状とな
り、先行溶接におけるスパッタ。This example is for panel welding, and one fin 2
However, the tubes 1 are arranged on both sides of the tube, which prevents spatter during preliminary welding.
スラグなどが後行溶接となる同一面上の他の溶接線上に
付着する場合が多いので２本発明の溶接線倣い機構を設
けたアーク溶接装置を用いることにより、スパッタなど
を除去する必要がなく、安定したアークで、極めて能率
的に、しかも高品質の溶接部を得ることができる。Since slag and the like often adhere to other weld lines on the same surface as the trailing weld, by using an arc welding device equipped with the weld line tracing mechanism of the present invention, there is no need to remove spatter, etc. With a stable arc, welds of high quality can be obtained extremely efficiently.
以上の実施例においては、パネル溶接の場合についての
み説明したが、その他に橋梁鉄骨、ケーシングサポート
などのすみ肉溶接においても、板バネ（Ｉ）３をホルダ
４を介して溶接ノズルＩＩに固定した本発明の溶接線倣
い機構を用いることによって、炭酸ガスアーク溶接など
が可能となる。In the above embodiments, only the case of panel welding was explained, but the leaf spring (I) 3 was fixed to the welding nozzle II via the holder 4 in fillet welding of bridge steel frames, casing supports, etc. By using the welding line copying mechanism of the present invention, carbon dioxide arc welding, etc. becomes possible.
また、Ｖ型開光形状を用いた鋼板の突合わせ溶接継手の
ＴＩＧ溶接あるいは被覆アーク溶接法などにおいても本
発明の溶接線倣い機構を好適に用いることが可能であり
、優れた溶接部を得ることができる。Furthermore, the weld line tracing mechanism of the present invention can be suitably used in TIG welding or shielded arc welding of butt welded joints of steel plates using a V-shaped opening shape, and it is possible to obtain excellent welds. Can be done.
以上詳細に説明したごとく２本発明の板バネによる接触
倣いセンサを有する溶接線倣い機構を備えた溶接装置は
、板バネが溶接中に溶接線上から外れたり、また板バネ
にスパッタなどの付着による溶接線の倣い精度の不良な
どを引き起こす心配がなく、溶接ノズル位置の変位量を
極めて小さくすることができ、安心して溶接作業を行う
ことができる。したがって、溶接開先の加工精度に気配
ることなく、溶接製品を製作することができるため、従
来の約１／２程度の製作工数に低減することができる。As explained in detail above, the welding device equipped with the welding line tracing mechanism having the contact tracing sensor using the leaf spring of the present invention has problems such as the fact that the leaf spring comes off the welding line during welding, or that spatter etc. adhere to the leaf spring. There is no need to worry about poor tracing accuracy of the welding line, and the amount of displacement of the welding nozzle position can be extremely small, allowing welding work to be carried out with peace of mind. Therefore, it is possible to manufacture a welded product without paying attention to the processing accuracy of the welding groove, so that the number of manufacturing steps can be reduced to approximately 1/2 of that of the conventional method.
また、スパッタなどの除去、溶接開先内の清掃を行う必
要もなく、安定した溶接アークが得られるため、溶接不
良や溶接欠陥の発生による溶接部の補修の必要がなく、
従来の溶接方法と比較して約１／１０以下の溶接工数と
すことができる極めて経済的な効果を有する溶接線倣い
機構を備えた溶接装置である。In addition, there is no need to remove spatter or clean the inside of the welding groove, and a stable welding arc can be obtained, eliminating the need to repair welds due to poor welding or welding defects.
This welding device is equipped with a welding line tracing mechanism that is extremely economical and can reduce the number of welding steps to about 1/10 or less compared to conventional welding methods.
第１図は本発明の実施例において例示した溶接線倣い機
構を備えた溶接装置の構造を示す正面図。
第２図は第１図に示した溶接装置の側面図、第３図は従
来の溶接線倣い機構を備えた溶接装置の構造を示す断面
図、第４図は第３図に示した溶接装置の側面図、第５図
は従来の他の溶接線倣い機構を備えた溶接装置の構造を
示す側面図である。
１・・・チューブ ２・・・フィン３・・・板
バネ（Ｉ） ４・・・ホルダ５・・・支持具
６・・・板バネ（ＩＩ）７・・・中間支持具
８・・・仮バネ（ＩＩＩ）９・・・駆動体
１０・・・バネの角度１１・・・溶接ノズル
１２・・・溶接ワイヤ１３・・・溶接進行方向
１５・・・支持体
１７・・・バネ
１４・・・倣いローラ
１６・・・シャフト
１８・・・ビンFIG. 1 is a front view showing the structure of a welding device equipped with a weld line copying mechanism exemplified in an embodiment of the present invention. Fig. 2 is a side view of the welding device shown in Fig. 1, Fig. 3 is a sectional view showing the structure of the welding device equipped with a conventional welding line tracing mechanism, and Fig. 4 is the welding device shown in Fig. 3. FIG. 5 is a side view showing the structure of a welding device equipped with another conventional welding line copying mechanism. 1...Tube 2...Fin 3...Flat spring (I) 4...Holder 5...Support
6... Leaf spring (II) 7... Intermediate support
8... Temporary spring (III) 9... Drive body
10... Spring angle 11... Welding nozzle
12... Welding wire 13... Welding progress direction 15... Support body 17... Spring 14... Copying roller 16... Shaft 18... Bin
Claims (1)
がら溶接を行う溶接線倣い機構を備えた溶接トーチにお
いて、上記溶接線倣い機構として、複数枚の板バネを、
該板バネの先端部が溶接線上に所定の荷重で押圧され、
かつ上記溶接線上の溶接方向に摺動可能に設けると共に
、上記複数枚の板バネのそれぞれを所定間隔に配置して
、板バネ式接触倣いセンサを構成し、該板バネ式接触倣
いセンサを、振動緩衝支持部材を介して上記溶接トーチ
に設けたことを特徴とする溶接線倣い機構を備えた溶接
装置。 ２、特許請求の範囲第１項記載の溶接線倣い機構を備え
た溶接装置において、板バネ式接触倣いセンサを構成す
る複数枚の板バネは、少なくとも３枚以上の板バネから
なることを特徴とする溶接線倣い機構を備えた溶接装置
。 ３、特許請求の範囲第１項または第２項記載の溶接線倣
い機構を備えた溶接装置において、板バネ式接触倣いセ
ンサを構成する複数枚の板バネの間隔が２〜６ｍｍの範
囲にあることを特徴とする溶接線倣い機構を備えた溶接
装置。 ４、特許請求の範囲第１項、第２項または第３項記載の
溶接線倣い機構を備えた溶接装置において、板バネ式接
触倣いセンサを支持する倣いセンサ支持部材と、上記倣
いセンサを駆動させる駆動体を支持する駆動体支持部材
とを、複数枚の板バネによって構成された中間支持部材
に連結固定した振動緩衝構造とすることを特徴とする溶
接線倣い機構を備えた溶接装置。 ５、特許請求の範囲第１項、第２項または第３項記載の
溶接線倣い機構を備えた溶接装置において、溶接トーチ
と共に板バネ式接触倣いセンサを支持する倣いセンサ支
持部材と、上記倣いセンサを駆動させる駆動体を、２列
で複数枚の板バネによって保持する構造とした駆動体支
持部材とを、複数枚の板バネによって構成された中間支
持部材に連結固定した振動緩衝構造とすることを特徴と
する溶接線倣い機構を備えた溶接装置。[Scope of Claims] 1. In a welding torch equipped with a welding line copying mechanism that performs welding while tracing a welding line formed by a workpiece, the welding line copying mechanism includes a plurality of leaf springs,
The tip of the leaf spring is pressed onto the weld line with a predetermined load,
and is provided so as to be slidable in the welding direction on the welding line, and each of the plurality of leaf springs is arranged at a predetermined interval to constitute a leaf spring type contact tracing sensor, and the leaf spring type contact tracing sensor includes: A welding device equipped with a welding line copying mechanism, characterized in that the welding torch is provided with a vibration-absorbing support member. 2. In the welding apparatus equipped with a welding line copying mechanism as set forth in claim 1, the plurality of leaf springs constituting the leaf spring type contact copying sensor are comprised of at least three or more leaf springs. A welding device equipped with a welding line tracing mechanism. 3. In a welding device equipped with a welding line copying mechanism according to claim 1 or 2, the interval between the plurality of leaf springs constituting the leaf spring type contact copying sensor is in the range of 2 to 6 mm. A welding device equipped with a welding line copying mechanism. 4. A welding apparatus equipped with a welding line copying mechanism according to claim 1, 2, or 3, comprising a copying sensor support member that supports a leaf spring type contact copying sensor, and a copying sensor supporting member that drives the copying sensor. A welding device equipped with a welding line tracing mechanism, characterized in that the vibration damping structure is such that a drive body support member that supports a drive body is connected and fixed to an intermediate support member constituted by a plurality of plate springs. 5. A welding device equipped with a welding line copying mechanism according to claim 1, 2, or 3, comprising: a copying sensor support member that supports a leaf spring type contact copying sensor together with a welding torch; A vibration damping structure is provided in which a drive body support member is structured to hold a drive body for driving a sensor by a plurality of leaf springs in two rows, and is connected and fixed to an intermediate support member constituted by a plurality of leaf springs. A welding device equipped with a welding line copying mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19601088A JPH0246976A (en) | 1988-08-08 | 1988-08-08 | Welding device having weld line profiling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19601088A JPH0246976A (en) | 1988-08-08 | 1988-08-08 | Welding device having weld line profiling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0246976A true JPH0246976A (en) | 1990-02-16 |
Family
ID=16350729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19601088A Pending JPH0246976A (en) | 1988-08-08 | 1988-08-08 | Welding device having weld line profiling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0246976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014672A (en) * | 2018-07-26 | 2018-12-18 | 河南工程学院 | A kind of right angle welding seam track bi-directional tracking device and its tracking |
-
1988
- 1988-08-08 JP JP19601088A patent/JPH0246976A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109014672A (en) * | 2018-07-26 | 2018-12-18 | 河南工程学院 | A kind of right angle welding seam track bi-directional tracking device and its tracking |
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