JPH0683908B2 - Portable laser welding gun - Google Patents
Portable laser welding gunInfo
- Publication number
- JPH0683908B2 JPH0683908B2 JP1054959A JP5495989A JPH0683908B2 JP H0683908 B2 JPH0683908 B2 JP H0683908B2 JP 1054959 A JP1054959 A JP 1054959A JP 5495989 A JP5495989 A JP 5495989A JP H0683908 B2 JPH0683908 B2 JP H0683908B2
- Authority
- JP
- Japan
- Prior art keywords
- work
- laser
- welding gun
- portable
- welding
- 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 - Fee Related
Links
Landscapes
- Laser Beam Processing (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明はヤグレーザーを用いてワークを重ね点溶接す
る手動或はロボットによる可搬型レーザー溶接ガンに関
するものである。TECHNICAL FIELD The present invention relates to a portable laser welding gun for manually or robotically welding spots of workpieces using a YAG laser.
［従来の技術］ ヤグレーザーを用いて薄鉄板を突合せ溶接する固定式の
溶接機は例えば特開昭60-221185号公報（前者）に示さ
れているように公知である。また、ワークをレーザービ
ームにより重ねロー付けするものも実開昭61-190365号
公報（後者）に示されているように公知である。[Prior Art] A fixed-type welding machine for butt-welding thin iron plates by using a YAG laser is known as disclosed in, for example, JP-A-60-221185 (the former). Also, as shown in Japanese Utility Model Laid-Open No. 61-190365 (the latter), a method in which works are overlapped and brazed with a laser beam is known.
［発明が解決しょうとする課題］ ところで、前記従来技術における前者の溶接機はこれが
固定式のため、特定の場所でのみの溶接作業となって任
意箇所における溶接ができず不便であると共に特定のス
ペースを必要とし、また、これを点溶接に使用しようと
すると特別のワーク保持，加圧部材等を用意する必要が
ある、とうい問題がある。[Problems to be Solved by the Invention] By the way, since the former welding machine in the above-mentioned prior art is a fixed type, it is a welding work only at a specific place, and it is inconvenient because welding cannot be performed at any place. There is a problem that space is required, and if this is used for spot welding, it is necessary to prepare a special work holding member, a pressing member, and the like.
また、後者のものにおいては、重ねロー付けするのにワ
ークの表裏両面を押さえてワークを加圧するものがない
ため、重ね合わされた両ワーク間の接触が悪く、ロー付
けが充分に行われ難い、という問題がある。Further, in the latter one, there is no one that presses the work by pressing both front and back sides of the work for overlapping brazing, so the contact between the two overlapped works is poor, and brazing is difficult to perform sufficiently. There is a problem.
この発明は、従来の技術の有するこのような問題点に鑑
みてなされたものであり、その目的とするところは、在
来の可搬型溶接ガンの一方のアームにレーザーヘッドを
設けると共に他方のアームをワーク受け部に利用するこ
とによって、特定の溶接場所，特別のワーク保持，加圧
部材を改めて用意する必要がなく、充分な加圧状態で重
ね溶接が正確で簡単にできる可搬型レーザー溶接ガンを
提供しようとするものである。The present invention has been made in view of the above problems of the prior art, and an object thereof is to provide a laser head on one arm of a conventional portable welding gun and to provide the other arm. This is a portable laser welding gun that can accurately and easily perform lap welding under a sufficient pressurizing condition without using a special welding place, special work holding, and pressurizing member. Is to provide.
［課題を解決するための手段］ 上記目的を達成するため、この発明における可搬型レー
ザー溶接ガンは、図面に示された符号を付して説明する
と、 加圧駆動装置４により相対的に接離するアーム2,3を有
する可搬型レーザー溶接ガン１であって、前記一方のア
ーム２の先端にレーザーヘッド６を設け、該レーザーヘ
ッド６とヤグレーザー発振器８とを光ファイバー９によ
って接続すると共に他方のアーム３の先端にワーク受け
部10を形成して、前記レーザーヘッド６とワーク受け部
10とで重ねワーク11の点溶接すべき箇所の表裏を直接に
挟持押圧する、 ようにしたのである。[Means for Solving the Problems] In order to achieve the above object, the portable laser welding gun according to the present invention will be described with reference to the reference numerals shown in the drawings. 1. A portable laser welding gun 1 having arms 2 and 3, which are provided with a laser head 6 at the tip of the one arm 2 and connect the laser head 6 and a yag laser oscillator 8 by an optical fiber 9 and A work receiving portion 10 is formed at the tip of the arm 3, and the laser head 6 and the work receiving portion are formed.
By 10 and 10, the front and back of the portion of the overlapped work 11 to be spot-welded is directly sandwiched and pressed.
［作用］ レーザーヘッドと前記他方のアーム側のワーク受けとに
よって重ねワークの点溶接すべき箇所の表裏が直接挟持
され且つ加圧状態になった時点で、ヤグレーザー発振器
から光ファイバーを介してレーザーヘッドへヤグレーザ
ーが搬送され、該ヤグレーザーはレーザーヘッドで集光
されて前記重ねワークに照射されて溶接作業に供され
る。[Operation] When the front and back of the portion of the overlapped work to be spot-welded are directly sandwiched by the laser head and the work receiver on the side of the other arm and a pressure is applied, the laser head is emitted from the yag laser oscillator through the optical fiber. A yag laser is conveyed, and the yag laser is focused by a laser head and irradiated on the overlapped work to be used for welding work.
［実施例］ 第１図を参照してこの発明の実施例について説明する。[Embodiment] An embodiment of the present invention will be described with reference to FIG.
図において、１は従来周知の手動による可搬型Ｘガンで
あって、ガンアーム2,3は加圧駆動装置であるシリンダ
４によってピン５を支点として開閉する。In the figure, reference numeral 1 is a conventionally well-known manual portable X gun, and gun arms 2 and 3 are opened and closed with a pin 4 serving as a fulcrum by a cylinder 4 which is a pressurizing drive device.
６はアーム２の先端に取付られたレーザーヘッドであっ
てその内部に集光レンズ７を具有し、ヤグレーザー発振
器８との間を光ファイバー９で接続されている。Reference numeral 6 denotes a laser head attached to the tip of the arm 2, which has a condenser lens 7 therein, and is connected to a yag laser oscillator 8 by an optical fiber 9.
また、10はアーム３の先端に形成されたワーク受け部で
あって、前記レーザーヘッド６と共働して重ねワーク11
を挟持するのである。Reference numeral 10 denotes a work receiving portion formed at the tip of the arm 3, which cooperates with the laser head 6 to form a stacked work 11
To pinch.
以上のような構成からなるこの発明に係る実施例の可搬
型レーザー溶接ガンでは、 加圧駆動装置であるシリンダ４によってガンアーム2,3
が開閉しレーザーヘッド６とワーク受け部10間に重ねワ
ーク11の点溶接すべき箇所の表裏が直接挟持されると、
シリンダ４は更に作動して該ワーク11をレーザーヘッド
６とワーク受け部10で加圧する。次いでヤグレーザー発
振器８が作動してヤグレーザーを光ファイバー９で搬送
してレーザーヘッド６に導く。このヤグレーザーはレー
ザーヘッド６内の集光レンズ７によって集光されてその
焦点にあるワークに対して溶接作業を行なう。In the portable laser welding gun of the embodiment according to the present invention having the above-mentioned structure, the gun arms 2, 3 are driven by the cylinder 4 which is the pressurizing drive device.
When the laser head 6 and the work receiving part 10 are opened and closed, and the front and back of the portion of the overlapped work 11 to be spot-welded are directly sandwiched,
The cylinder 4 is further operated to pressurize the work 11 by the laser head 6 and the work receiving portion 10. Then, the yag laser oscillator 8 is activated to convey the yag laser through the optical fiber 9 and guide it to the laser head 6. This yag laser is focused by the focusing lens 7 in the laser head 6 and welds the work at the focus.
この発明に係る溶接ガンは可搬型であるので、その溶接
作業の場所は任意に移動することができるのである。Since the welding gun according to the present invention is portable, its welding work location can be arbitrarily moved.
なお、前記実施例は手動式の可搬型Ｘガンについて説明
したが、この発明はロボットによる可搬型Ｘガン又は手
動或はロボットによる可搬型Ｃガンにも適用できること
は勿論のことである。Although the above embodiments have been described with reference to a manual type portable X gun, the present invention can be applied to a robot type portable X gun or a manual type or a robot type portable C gun.
［発明の効果］ この発明によれば、レーザー溶接ガンを可搬型にしたの
で、その溶接作業に特定の場所を必要とせず任意の場所
で作業ができると共に溶接機として特別のワーク保持，
加圧部材を改めて用意する必要がなく、充分な加圧状態
下で重ね溶接が行い得ることから正確で確実なレーザー
溶接ガンとなり、さらにアームの材料として導電性のも
のは全く不要であって安価なレーザー溶接ガンとするこ
とができる。[Advantage of the Invention] According to the present invention, since the laser welding gun is portable, the welding work can be performed at any place without requiring a specific place, and a special work holding as a welding machine can be performed.
Since it is not necessary to prepare a pressure member again and lap welding can be performed under sufficient pressure, it becomes an accurate and reliable laser welding gun. Moreover, conductive material is not required at all as an arm material and it is inexpensive. Laser welding gun.
第１図はこの発明に係る可搬型レーザー溶接ガンの側面
図を示す。 １……可搬型溶接ガン、2,3……ガンアーム、４……加
圧駆動装置、６……レーザーヘッド、８……ヤグレーザ
ー発振器、９……光ファイバー、10……ワーク受け部。FIG. 1 shows a side view of a portable laser welding gun according to the present invention. 1 ... Portable welding gun, 2,3 ... Gun arm, 4 ... Pressure drive device, 6 ... Laser head, 8 ... Yag laser oscillator, 9 ... Optical fiber, 10 ... Work receiving part.
Claims (1)
ーム2,3を有する可搬型レーザー溶接ガン１であって、
前記一方のアーム２の先端にレーザーヘッド６を設け、
該レーザーヘッド６とヤグレーザー発振器８とを光ファ
イバー９によって接続すると共に他方のアーム３の先端
にワーク受け部10を形成して、前記レーザーヘッド６と
ワーク受け部10とで重ねワーク11の点溶接すべき箇所の
表裏を直接に挟持押圧するようにしたことを特徴とする
可搬型レーザー溶接ガン。1. A portable laser welding gun 1 having arms 2 and 3 which are relatively moved toward and away from each other by a pressure drive device 4,
A laser head 6 is provided at the tip of the one arm 2.
The laser head 6 and the yag laser oscillator 8 are connected by an optical fiber 9 and a work receiving portion 10 is formed at the tip of the other arm 3, and the laser head 6 and the work receiving portion 10 are spot-welded on the overlapped work 11. A portable laser welding gun characterized in that it directly clamps and presses the front and back of the desired place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054959A JPH0683908B2 (en) | 1989-03-09 | 1989-03-09 | Portable laser welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1054959A JPH0683908B2 (en) | 1989-03-09 | 1989-03-09 | Portable laser welding gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02235591A JPH02235591A (en) | 1990-09-18 |
| JPH0683908B2 true JPH0683908B2 (en) | 1994-10-26 |
Family
ID=12985208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1054959A Expired - Fee Related JPH0683908B2 (en) | 1989-03-09 | 1989-03-09 | Portable laser welding gun |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0683908B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5616261A (en) * | 1995-06-07 | 1997-04-01 | Chrysler Corporation | Laser welding system |
| DE10038310A1 (en) * | 2000-08-05 | 2002-02-14 | Abb Research Ltd | Welding device |
| DE102006014068A1 (en) * | 2006-03-27 | 2007-10-04 | Precitec Kg | Apparatus and method for clamping sheet metal components |
| JP2010105015A (en) * | 2008-10-30 | 2010-05-13 | Kanto Auto Works Ltd | Laser spot welding apparatus |
| US8290006B1 (en) | 2011-10-25 | 2012-10-16 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Dynamically variable spot size laser system |
| CA2888698C (en) * | 2012-10-19 | 2020-07-14 | Ipg Photonics Corporation | Hand maneuverable laser welding gun |
| DE102014017563A1 (en) * | 2014-11-21 | 2016-05-25 | Sca Schucker Gmbh & Co. Kg | Device and method for joining two workpieces by means of laser welding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58141212U (en) * | 1982-03-17 | 1983-09-22 | 日本電気株式会社 | Optical fiber splicing equipment |
| JPS61190365U (en) * | 1985-05-18 | 1986-11-27 |
-
1989
- 1989-03-09 JP JP1054959A patent/JPH0683908B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02235591A (en) | 1990-09-18 |
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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 |