JPS5933092A - Optical guide for laser - Google Patents
Optical guide for laserInfo
- Publication number
- JPS5933092A JPS5933092A JP57142404A JP14240482A JPS5933092A JP S5933092 A JPS5933092 A JP S5933092A JP 57142404 A JP57142404 A JP 57142404A JP 14240482 A JP14240482 A JP 14240482A JP S5933092 A JPS5933092 A JP S5933092A
- Authority
- JP
- Japan
- Prior art keywords
- laser
- nozzle
- visible light
- light
- coaxially
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/035—Aligning the laser beam
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Surgery Devices (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、可視光を・重畳できるようにした高出力の
レーザ用導光路に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a high-output laser light guide path that is capable of superimposing visible light.
従来、この種のレーザ用導光路の一例として第１図に示
すものがあった。この図において、１は高出力ＣＯ□レ
ーシー撮器、２はＣ０２ン−ザ光で１０゜６μｍの赤外
光である。３は可視光重畳ベンダ、／１ ４は可
視光′−ザで・例えｉｉ′Ｈｅ−Ｎｅレシーカ゛用いら
れる。５は可視光、６はレンズ、７はノズル、８はアシ
ストガス、９は加工対象物である。Conventionally, there has been one shown in FIG. 1 as an example of this type of laser light guide path. In this figure, 1 is a high-output CO□ Lacey camera, and 2 is CO2 laser light, which is infrared light of 10°6 μm. 3 is a visible light superimposing bender, and /14 is a visible light laser, which is used, for example, as a He-Ne receiver. 5 is visible light, 6 is a lens, 7 is a nozzle, 8 is an assist gas, and 9 is a workpiece.
高出力ＣＯ２□ レーザ発振器１からのビーム径はｌＯ
〜２ｃ）ｍｒｎ’、可視光レーザ４からのビーム径は５
７Ｉｌｌ程度である。 ・ □ 、 ・ ・
次に動作について説明する。 □・
ＣＯ２レーザ光２と可視光５を重畳するどとによりン加
〒対象物９には両者が結像し、可視光５の焦点位置によ
ってＣＯ２レーザ光２グ）結像する位置、すなわち、・
加工点を予め知ることが可能と７１よる二たシストガス
８は加工対象物９からの飛散物によってレンズ６の表面
が損傷を受けるグ）を防ぐ目的上ノズルＴに供１給子る
。：可視□光重畳ベソダ３は、例えばＺｎ５ｅｌ’ｊ多
ｊ−膜をロニテイングし、１Ｃ６２ル−ザ□光２□に対
して反射率が・はぼｌ００４゜可撓□光５に対して反射
オが数□］’ ６”％σ）ものを用いる。High output CO2□ Beam diameter from laser oscillator 1 is lO
~2c) mrn', the beam diameter from the visible laser 4 is 5
It is about 7Ill.・ □ , ・ ・
Next, the operation will be explained. □・ By superimposing the CO2 laser beam 2 and the visible light 5, both of them form an image on the object 9, and depending on the focal position of the visible light 5, the position where the CO2 laser beam 2 is imaged, that is,・
The cyst gas 8 is supplied to the nozzle T for the purpose of preventing the surface of the lens 6 from being damaged by objects flying from the object 9 to be processed. : Visible □ light superimposing beam body 3 has a reflectance of 1C62 laser □ light 2 □ which is approximately 1004° flexible □ reflection light 5 by coating a Zn5el'j multilayer film, for example. The number □]'6"%σ) is used.
レンズ］の損傷を避けながら精密な加工を行５ためには
、ノズル７１・σ５開６部が可能□な限りｌＪｋさく、
かつＣＯ２レーザ光２と莞全に同軸であるとと゛が□必
要である。 １ ・ −□ 。In order to perform precise machining while avoiding damage to the lens, the nozzle 71 and σ5 opening 6 should be as wide as possible.
It is also necessary that □ be coaxial with the CO2 laser beam 2 and the entire range. 1 ・-□.
ところが、従来の装置は以上のよう１に□構成されてお
り、ＣＯ２し下ス光２．可視光５ともほぼ平 ・、。However, the conventional device has the above-mentioned configuration (1), and emit CO2 and emit light (2). Visible light 5 is almost flat.
行光線（竺散、角が！一度、に非常に小さ５゛）で４射
するため、フズルテの′１０部の可視光ビー人娠はリ
□Ｃ０２レーザ光２のそれよ１．リシ・小さ、く、ＣＯ
２し−−ザ光２の光軸とノズル７の開口部の同軸設定な
チ □、、” □叫
ニックする役目−ケさない各点が、あった。Because 4 rays are emitted in a row (the angle is very small 5゛ at a time), the visible light beam in the '10 part of Fuzulte is lit.
□That of C02 laser beam 21. rishi, small, ku, co
2. There were various points where the optical axis of the light 2 and the opening of the nozzle 7 were set coaxially.
この発明は、上記の欠点を除去するためになされたも□
ので、可視光のレンズにおける径をＣＯ。This invention was made to eliminate the above-mentioned drawbacks.
Therefore, the diameter of the visible light lens is CO.
レーザ光のそれに比べて十分大きくして重畳し、・■
：・１
ＣＯ，レーザ光とノズルの、同軸、、精、密設、定作−
を容易にする。レーザ用導光路を提、供す、ることを目
的としている。以下１．この発明に？いて説明する。Superimpose the light sufficiently larger than that of the laser beam, and...
:・1 CO, laser beam and nozzle, coaxial, precision, precise setting, regular production.
Make it easier. The purpose is to provide and provide light guide paths for lasers. Below 1. For this invention? I will explain.
第２図はこの発明の一実瑯、例を示す構成・略図で、１
０は可視光重畳ベンダで、ＣＯ２レーザ光２の外径には
ぼ等しい口径で外周がカントされている。Fig. 2 is a schematic diagram showing the structure and example of a single piece of this invention.
0 is a visible light superimposing bender whose outer periphery is canted with a diameter approximately equal to the outer diameter of the CO2 laser beam 2.
１１、．１２はレンズである。11. 12 is a lens.
可視光レーザ４から出る可視光５はレンズ１１゜１２に
よって大きな径の平行ビームとして、レンズ６に導かれ
る。この結果、ノズル７の可視光の集光径はノズル７の
開口径と同等かそれよりも若、、 ・、千人、きくなり
、加工対象物９上にはノズル開口部の影が映る。Visible light 5 emitted from visible light laser 4 is guided to lens 6 by lenses 11 and 12 as a parallel beam with a large diameter. As a result, the condensing diameter of the visible light of the nozzle 7 is equal to or smaller than the aperture diameter of the nozzle 7, and a shadow of the nozzle aperture is cast on the workpiece 9.
・ □ どの□結果、作業者は容易にノズル７とＣ０２
し１．−ザ光２の同軸設・定を行うことができる。した
がって、アシストガス８は正しく？０２′し、−ザビー
、 ムに添って流れるため、加工精度が向上するほか、
従来しばしば生じていた軸ずれによるノズル７の損傷事
故を未然に防ぐことができる。・ □ Which □ As a result, the operator can easily connect nozzle 7 and C02.
1. - The coaxial setting of the light 2 can be set. Therefore, is assist gas 8 correct? Since the flow follows the 02' and 02' lines, machining accuracy is improved, and
Accidents of damage to the nozzle 7 due to axis misalignment, which have often occurred in the past, can be prevented.
なお、上記実施例では可視光源として可視空レーザ４を
用いたが、レンズ１１の焦点位置にランプ等の光源を置
ビても同様の効果が発揮でき、る。In the above embodiment, the visible sky laser 4 was used as the visible light source, but the same effect can be achieved even if a light source such as a lamp is placed at the focal position of the lens 11.
また、Ｃ０２レーザ光２の直進部分で可視光５を重畳す
ることも可能で、ある。It is also possible to superimpose the visible light 5 on the straight portion of the C02 laser light 2.
第３図はこの発明の他の実施例を示すものである。この
図において、１３は可視光重畳ベンダ、１４はランプ、
１５は前記ランプ１４からの可視光５を平行光線とする
レンズである。可視光重量ベンダ１３は中央部にＣ０２
レーザ光２の外径よりやや大きい穴１３ａがあけられて
あり、外周部で可視光５がＣ０２レーザ光２に重畳され
ている。FIG. 3 shows another embodiment of the invention. In this figure, 13 is a visible light superimposition vendor, 14 is a lamp,
A lens 15 converts the visible light 5 from the lamp 14 into parallel light. The visible light weight bender 13 has C02 in the center.
A hole 13a slightly larger than the outer diameter of the laser beam 2 is bored, and visible light 5 is superimposed on the C02 laser beam 2 at the outer circumference.
第４図はこの発明のさらに他の実施例を示すものである
。この実施例は、Ｃ０２レーザ光２と同軸で、その外周
に可視重畳ベンダ１３により可視光５０光路が形成され
ているのを利用して、第３図の実施例におけるランプ】
４の位置に、カメラ１６を設置し、その影像をテレビヌ
１で拡大映写するものである。テレビ１７からはノズル
７の開口部と加工対象物９を同時に眺めることができる
ので、Ｃ０２レーザ光２とノズルＴの同軸状精密設定が
きわめて容易となる。 。FIG. 4 shows still another embodiment of the invention. This embodiment utilizes the fact that it is coaxial with the C02 laser beam 2 and that 50 optical paths of visible light are formed by a visible superimposing bender 13 on its outer periphery.
A camera 16 is installed at position 4, and its image is enlarged and projected on the television set 1. Since the opening of the nozzle 7 and the workpiece 9 can be seen at the same time from the television 17, precise coaxial setting of the C02 laser beam 2 and the nozzle T becomes extremely easy. .
なお、上記各実施例では、高出力レーザとしてＣ０２レ
ーザを例にとって説明したが、他の赤外。In each of the above embodiments, a C02 laser is used as an example of a high-output laser, but other infrared lasers may be used.
紫外のレーザに対しても可視光を重畳する手段を有する
レーザ用導光路においてこの発明は有効である。The present invention is effective in a laser light guide path having means for superimposing visible light on an ultraviolet laser as well.
以上説明したようにこの発、明は、レーザ光と重畳する
可視光路がレーザ光と・同軸で、かつその周辺に設定し
たので、精度の高出レーザ加工を容易に行うことができ
る効果が得られる。As explained above, in this invention, the visible light path that overlaps with the laser beam is set coaxially with the laser beam and around it, so that it is possible to easily perform high-precision laser processing. It will be done.
第１図は従来のレーザ用導光路の一例を示す構成略図、
第２図、第３図、第４図はそれぞれこの発明の実施例を
示す構成略図である。
図中、１は高出力ＣＯ，レーザ発振器、２はＣ０２レー
ザ光、４は可視光レーザ、５は可視光、６はレンズ、７
はノズル、８はアシストガス、９は加工対象物、１０．
１３は可視光重畳ベンダ、１１゜１２．１５はレンズ、
１４はランプ、１６はカメラ、１１はテレビである。な
お、図中の同一符号は同一または相当部分を示す。
代理人 葛 野 信 −（外１名）
第１図
第３図
第２図
第４図FIG. 1 is a schematic configuration diagram showing an example of a conventional laser light guide path.
FIG. 2, FIG. 3, and FIG. 4 are schematic diagrams each showing an embodiment of the present invention. In the figure, 1 is a high-power CO laser oscillator, 2 is a CO2 laser beam, 4 is a visible light laser, 5 is visible light, 6 is a lens, 7
8 is a nozzle, 8 is an assist gas, 9 is a workpiece, 10.
13 is a visible light superimposition vendor, 11°12.15 is a lens,
14 is a lamp, 16 is a camera, and 11 is a television. Note that the same reference numerals in the figures indicate the same or corresponding parts. Agent Shin Kuzuno - (1 other person) Figure 1 Figure 3 Figure 2 Figure 4
Claims (1)
ザ光を集束して・出射し、加工対象物に照射するレーザ
用導光路において、前記レーザ光の周辺に前記レーザ光
と同軸に可視光路を重畳させる手段を具備せしめたごと
を特徴とするレーザ用導光路。In a laser light guide path that focuses and emits a laser beam from an opening of a nozzle provided coaxially with the lens and irradiates the workpiece, a visible light path is provided around the laser beam coaxially with the laser beam. A light guide path for a laser, characterized by comprising a means for superimposing the light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57142404A JPS5933092A (en) | 1982-08-17 | 1982-08-17 | Optical guide for laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57142404A JPS5933092A (en) | 1982-08-17 | 1982-08-17 | Optical guide for laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933092A true JPS5933092A (en) | 1984-02-22 |
Family
ID=15314549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57142404A Pending JPS5933092A (en) | 1982-08-17 | 1982-08-17 | Optical guide for laser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933092A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003061895A1 (en) * | 2002-01-21 | 2003-07-31 | Permanova Lasersystem Ab | Means for visualizing the laser beam in a laser machining system |
| EP1728581A1 (en) * | 2005-05-31 | 2006-12-06 | Trumpf Werkzeugmaschinen GmbH + Co. KG | Laser working machine with a Laser working nozzle adjustment means for aligning the laser beam with the hole of the laser working nozzle |
-
1982
- 1982-08-17 JP JP57142404A patent/JPS5933092A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003061895A1 (en) * | 2002-01-21 | 2003-07-31 | Permanova Lasersystem Ab | Means for visualizing the laser beam in a laser machining system |
| EP1728581A1 (en) * | 2005-05-31 | 2006-12-06 | Trumpf Werkzeugmaschinen GmbH + Co. KG | Laser working machine with a Laser working nozzle adjustment means for aligning the laser beam with the hole of the laser working nozzle |
| WO2006128663A1 (en) * | 2005-05-31 | 2006-12-07 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Laser machine tool with laser machining nozzle alignment for orienting the laser beam to the laser machining nozzle hole |
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