JPS63264291A - Laser beam machining head - Google Patents

Laser beam machining head

Info

Publication number
JPS63264291A
JPS63264291A JP62097541A JP9754187A JPS63264291A JP S63264291 A JPS63264291 A JP S63264291A JP 62097541 A JP62097541 A JP 62097541A JP 9754187 A JP9754187 A JP 9754187A JP S63264291 A JPS63264291 A JP S63264291A
Authority
JP
Japan
Prior art keywords
intermediate cylinder
main body
head
head main
lens
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
JP62097541A
Other languages
Japanese (ja)
Other versions
JP2504460B2 (en
Inventor
Takeshi Kusaka
健 日下
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.)
Amada Co Ltd
Original Assignee
Amada Co Ltd
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 Amada Co Ltd filed Critical Amada Co Ltd
Priority to JP62097541A priority Critical patent/JP2504460B2/en
Publication of JPS63264291A publication Critical patent/JPS63264291A/en
Application granted granted Critical
Publication of JP2504460B2 publication Critical patent/JP2504460B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
    • B23K26/1462—Nozzles; Features related to nozzles
    • B23K26/1464—Supply to, or discharge from, nozzles of media, e.g. gas, powder, wire
    • B23K26/1476—Features inside the nozzle for feeding the fluid stream through the nozzle
    • 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
    • B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor

Abstract

PURPOSE:To simplify the structure of a device and to facilitate the attaching and detaching of a lens by providing an intermediate cylinder whose vertical position is freely adjustable to the titled head main body and circulating cooling air between the intermediate cylinder and the head main body. CONSTITUTION:A head supporting cylinder 1 fixs and supports a laser beam machining head 7 by a bolt 5 and the head main body 17 is fixed on a bushing 13 fixed on a flange 3 by a bolt 15. Further, the intermediate cylinder 23 which is freely movable vertically by the engagement of a screw is provided to the inside of the head main body 17 and an airway 25 is formed between the intermediate cylinder 23 and the head main body 17 to cool the intermediate cylinder 23. A laser beam LB projected from the upper and lower parts is condensed by a lens 37 and a focus is formed right under a chip 51 by operating an adjusting member 21. Since the intermediate cylinder 23 is provided, the change of a lens optical system is facilitated and since the cooling is carried out by the cooling air, the structure of the device is simplified.

Description

【発明の詳細な説明】 ［発明の目的］ （産業上の利用分野） 本発明はレーザ加工ヘッドに関する。[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a laser processing head.

（従来の技術） レーザ加工ヘッドは、被加工板材に対して平面移動され
、被加工板材に所定のレーザビームを照射することによ
り、被加工板材に所定のレーザ加工を施すものである。(Prior Art) A laser processing head is moved in a plane relative to a workpiece plate, and performs a predetermined laser processing on the workpiece plate by irradiating the workpiece with a predetermined laser beam.

レーデ加工ヘッドには、被加工物に所定のレーザビーム
を照射するための光学系が内蔵され、該光学系を冷却す
るための水冷手段が設けられるのが普通である。A radar processing head usually has a built-in optical system for irradiating a workpiece with a predetermined laser beam, and is provided with water cooling means for cooling the optical system.

（発明が解決しようとする問題点） しかしながら、従来よりのレーザ加工ヘッドでは、ヘッ
ド本体に対する光学系の取付構造が複雑となっており、
レンズ着脱作業に多くの手間を要したり、或いはレンズ
着脱に際して光学系を狂わせてしまい、再度の調整が必
要となる等の問題点があった。(Problems to be Solved by the Invention) However, in conventional laser processing heads, the mounting structure of the optical system to the head body is complicated.
There are problems in that a lot of work is required to attach and detach the lens, or that the optical system is thrown out of order when attaching and detaching the lens, making it necessary to make adjustments again.

又、光学系を水冷する構造であったため、シールを完全
としておかねばならず、この点でも構造を複雑としてい
るという問題点がある。Furthermore, since the optical system is water-cooled, the seal must be completely sealed, which also makes the structure complicated.

そこで、本発明は、上記問題点を改善し、構造を簡易と
し、レンズ着脱作業に際し光学系を狂わせることがない
レーザ加工ヘッドを提供することを目的とする。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a laser processing head that improves the above problems, has a simple structure, and does not disturb the optical system when attaching and detaching lenses.

［発明の構成］ （発明の概要） 上記目的を達成するため、本発明では、筒状のヘッド本
体の内部に上下に調整自在の中間筒を設け、＃記ヘッド
本体と前記中間筒との間に冷却空気を循環させる空気通
路を設け、前記中間筒の下方にレンズユニットを接合し
、前記ヘッド本体の下方に回転位置を合わせて着脱自在
のノズルセットを接合し、該ノズルセットの下端には前
記ノズル本体に対し平面位置を調整自在のノズルチップ
を設けてレーザ加工ヘッドを構成した。[Structure of the Invention] (Summary of the Invention) In order to achieve the above object, the present invention provides an intermediate cylinder that is vertically adjustable inside a cylindrical head main body, and provides a vertically adjustable intermediate cylinder between the head main body marked with # and the intermediate cylinder. An air passage for circulating cooling air is provided, a lens unit is bonded to the lower part of the intermediate cylinder, a removable nozzle set is bonded to the lower part of the head body with rotational position adjusted, and the lower end of the nozzle set is A laser processing head was constructed by providing a nozzle tip whose planar position could be freely adjusted with respect to the nozzle body.

（実施例） 以下、添付図面を用いて本発明の一実施例を説明する。(Example) An embodiment of the present invention will be described below with reference to the accompanying drawings.

図示のように、ヘッド支持ｍ１は、フランジ３をボルト
５で固定することにより、レーザ加工ヘッド７を支持し
ている。As illustrated, the head support m1 supports the laser processing head 7 by fixing the flange 3 with bolts 5.

ヘッド支持鍔１には、レーザ加工装置の本体を保護する
ための（びれ９が設けられている。The head support collar 1 is provided with a fin 9 for protecting the main body of the laser processing device.

前記７ランジ３の下部には、ボルト１１によって軸承筒
１３が固定され、該ｆｍ１３の７ランジ部分の下方には
、ボルト１５によってヘッド本体１７が固定されている
。A bearing cylinder 13 is fixed to the lower part of the seven flange 3 by a bolt 11, and a head main body 17 is fixed by a bolt 15 to the lower part of the seven flange part of the fm13.

前記軸承筒１３と前記ヘッド本体１７の上部側との間に
は、ベアリング１９を介して前記軸承筒１３の回りに回
転自在のアジャスト部材２１が設けられ、該アジャスト
部材２１の下方内側に設け　　゛た雌ねじには、前記ヘ
ッド本体１７との間で上下にのみ移動自在の中間筒２３
の雄ねじが螺合されている。中間筒２３は、アジャスト
部材２１の回動操作により、上下に調整移動自在である
。ヘッド本体１７に明けられた窓ＷＤにのぞまぜてアジ
ャスト部材２１の外側面に備えた多数の穴２７は、アジ
ャスト部材２１を軸の回りに回動操作するためのもので
ある。An adjusting member 21 is provided between the bearing cylinder 13 and the upper side of the head main body 17, and is rotatable around the bearing cylinder 13 via a bearing 19, and is provided below and inside the adjusting member 21. The female screw has an intermediate cylinder 23 that is movable only vertically between the head body 17 and the head body 17.
The male screws are screwed together. The intermediate cylinder 23 can be adjusted and moved up and down by rotating the adjusting member 21. A large number of holes 27 provided on the outer surface of the adjusting member 21 along with the window WD formed in the head body 17 are for rotating the adjusting member 21 around an axis.

前記中間筒２３の外周中段には、前記ヘッド本体１７と
の間に空気通路２５が設けられている。An air passage 25 is provided between the intermediate cylinder 23 and the head main body 17 at the middle of the outer periphery thereof.

ヘッド本体１７側には、該空気通路２５に対し、空気導
入管ＰＬ１及びこれと対向する位置にサイレンサ２９を
備えた空気排出管ＰＬ２が設けられている。又、中間筒
２３側には、空気通路２５を循環される空気によって中
間筒２３を冷却するためのフィン３３が設けられている
。On the head main body 17 side, an air introduction pipe PL1 and an air exhaust pipe PL2 equipped with a silencer 29 at a position opposite to the air introduction pipe PL1 are provided with respect to the air passage 25. Further, on the intermediate cylinder 23 side, fins 33 are provided for cooling the intermediate cylinder 23 by air circulating through the air passage 25.

前記中間筒２３の下端に備えた雌ねじには、レンズユニ
ット３５の上端に備えた雄ねじが螺合されている。レン
ズユニット３５は、上方から案内されたレーザービーム
ＬＢを集光するレンズ３７をレンズホルダ３９内に固定
したものである。A male thread provided at the upper end of the lens unit 35 is screwed into a female thread provided at the lower end of the intermediate tube 23 . The lens unit 35 has a lens 37 fixed in a lens holder 39 that focuses the laser beam LB guided from above.

前記ヘッド本体１７には、前記レンズホルダ３９に対し
アシストガス導入管ＰＬ３が設けられ、該管ＰＬ３から
導入されたアシストガスは、レンズホルダ３９の外周を
冷却した上でレンズホルダ３９の下方に向けて吐出さる
ようになっている。The head main body 17 is provided with an assist gas introduction pipe PL3 for the lens holder 39, and the assist gas introduced from the pipe PL3 cools the outer periphery of the lens holder 39 and then is directed downward into the lens holder 39. It is designed to be discharged.

前記ヘッド本体１７の下端に設けた雄ねじには、ビン１
７ａによって回転位置を合わせた状態でノズルセット４
１を吊架固定するための接合ナツト４３の雌ねじが螺合
゛されるようになっている。The male screw provided at the lower end of the head main body 17 has a bottle 1.
Nozzle set 4 with the rotation position adjusted by 7a.
A female thread of a connecting nut 43 for fixing the device 1 to the suspension is screwed into the female thread.

ノズルセット４１は、ノズル支持筒４５と、平面上に複
数配設された止ねじ４７の調整により前記ノズル支持筒
４５の下方で平面位置を調整自在のノズル本体４９と、
該本体４９の下方に螺合されたノズルチップ５１とで構
成されている。前記集光レンズ３７の焦点は、前記ノズ
ルチップ５１の中心直下に合わせられるものである。The nozzle set 41 includes a nozzle support tube 45, a nozzle main body 49 whose planar position can be freely adjusted below the nozzle support tube 45 by adjusting a plurality of set screws 47 arranged on a plane.
The nozzle tip 51 is screwed into the lower part of the main body 49. The focus of the condensing lens 37 is set directly below the center of the nozzle chip 51.

上記構成のレーザ加工ヘッド７において、上方中心より
照射されたレーザビーム１Ｂは、集光レンズ３７で集光
され、前記アジャスト部材２１の回動操作及び前記止ね
じ４７の調整により、ノズルチップ５１の中心直下で焦
点を結ぶようになる。In the laser processing head 7 having the above configuration, the laser beam 1B irradiated from the center above is focused by the condensing lens 37, and the nozzle tip 51 is adjusted by rotating the adjusting member 21 and adjusting the set screw 47. The focus will be directly below the center.

レンズユニット３８の取外しは、まず、接合ナツト４３
を回転させてノズルセット４１を取外し、次に、レンズ
ユニット３５を回転させて行われる。To remove the lens unit 38, first tighten the joint nut 43.
This is done by rotating the nozzle set 41 and then rotating the lens unit 35.

取付操作はこれとは逆である。ノズルセット４１は、ヘ
ッド本体１７に対しビン１７ａで回転位置を規制されて
いるので、・光軸がノズルチップ５１に対してＸずれる
ことがない。The installation operation is the opposite. Since the rotational position of the nozzle set 41 is regulated with respect to the head body 17 by the bin 17a, the optical axis will not deviate by X with respect to the nozzle chip 51.

以上の通り、本例では、高さの調整、ノズルチップの位
は合わせを容易、確実に行うことができ、光学系を維持
したままでレンズの清掃、交換作業を行うことができる
。As described above, in this example, height adjustment and nozzle tip positioning can be easily and reliably performed, and lenses can be cleaned and replaced while maintaining the optical system.

又、中間筒２３を空冷すると共にレンズホルダをアシス
トガスで冷却するので、構造が簡単であり、アシストガ
スの有効利用を図りつつ光学系を常時定温に保つことが
できる。Further, since the intermediate tube 23 is air-cooled and the lens holder is cooled with assist gas, the structure is simple, and the optical system can be kept at a constant temperature at all times while effectively utilizing the assist gas.

なお、本発明は、上記実施例に限定されるものではなく
、適宜の設計的変更を行うとにより、他の態様でも実施
し得るものである。Note that the present invention is not limited to the above-mentioned embodiments, and can be implemented in other embodiments by making appropriate design changes.

Ｅ発明の効果］ 以上の通り、本発明によれば、冷却を空冷としたので構
造が簡易であり、レンズ交換に際し光学系を狂わせるこ
とがないようにしたので、レンズ着脱作業が容易である
。[Effects of the Invention] As described above, according to the present invention, the structure is simple because air cooling is used, and the optical system is not disturbed when replacing the lens, so the work of attaching and detaching the lens is easy.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明の一実施例に係るレーザ加工ヘッドの縦
断面図である。 １・・・ヘッド支持ｎ　　　７・・・レーザ加工ヘッド
９・・・くびれ　　　　　１３・・・軸承筒１７・・・
ヘッド本体　　　２１・・・アジャスト部材２３・・・
中間筒　　　　　３３・・・フィン３５・・・レンズユ
ニット　３７・・・レンズ３９・・・レンズホルダ　　
４１・・・ノズルセット４３・・・接合ナツト　　　４
５・・・ノズル支持筒４７・・・止ねじ　　　　　４９
・・・ノズル本体５１・・・ノズルチップ　　ＬＢ・・
・レーザビームＰＬＩ・・・空気導入管FIG. 1 is a longitudinal sectional view of a laser processing head according to an embodiment of the present invention. 1... Head support n 7... Laser processing head 9... Constriction 13... Bearing cylinder 17...
Head body 21... Adjustment member 23...
Intermediate cylinder 33...Fin 35...Lens unit 37...Lens 39...Lens holder
41... Nozzle set 43... Joining nut 4
5... Nozzle support cylinder 47... Set screw 49
...Nozzle body 51...Nozzle tip LB...
・Laser beam PLI...Air introduction tube

Claims (2)

【特許請求の範囲】[Claims] （１）筒状のヘッド本体の内部に上下に調整自在の中間
筒を設け、前記ヘッド本体と前記中間筒との間に冷却空
気を循環させる空気通路を設け、前記中間筒の下方にレ
ンズユニットを接合し、前記ヘッド本体の下方に回転位
置を合わせて着脱自在のノズルセットを接合し、該ノズ
ルセットの下端には前記ノズル本体に対し平面位置を調
整自在のノズルチップを設けたことを特徴とするレーザ
加工ヘッド。(1) A vertically adjustable intermediate cylinder is provided inside a cylindrical head body, an air passage for circulating cooling air is provided between the head body and the intermediate cylinder, and a lens unit is provided below the intermediate cylinder. and a removable nozzle set is joined to the lower part of the head body with rotational position adjusted, and a nozzle tip whose planar position can be adjusted with respect to the nozzle body is provided at the lower end of the nozzle set. Laser processing head. （２）前記レンズユニットの外表面は、アシストガスに
より冷却される特許請求の範囲第１項記載のレーザ加工
ヘッド。(2) The laser processing head according to claim 1, wherein the outer surface of the lens unit is cooled by assist gas.
JP62097541A 1987-04-22 1987-04-22 Laser processing head Expired - Lifetime JP2504460B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62097541A JP2504460B2 (en) 1987-04-22 1987-04-22 Laser processing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62097541A JP2504460B2 (en) 1987-04-22 1987-04-22 Laser processing head

Publications (2)

Publication Number Publication Date
JPS63264291A true JPS63264291A (en) 1988-11-01
JP2504460B2 JP2504460B2 (en) 1996-06-05

Family

ID=14195102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62097541A Expired - Lifetime JP2504460B2 (en) 1987-04-22 1987-04-22 Laser processing head

Country Status (1)

Country Link
JP (1) JP2504460B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584486U (en) * 1992-04-06 1993-11-16 日伸工業株式会社 Laser welding emitting unit device
US5702622A (en) * 1995-04-28 1997-12-30 Precitex Gmbh Terminal head for processing a workpiece by means of a laser beam
US6124565A (en) * 1998-04-13 2000-09-26 Yamazaki Mazak Kabushiki Kaisha Laser cutting machine
KR100539098B1 (en) * 2003-12-30 2005-12-27 두산인프라코어 주식회사 Machining head of laser cutting device
US7505504B2 (en) * 2004-10-07 2009-03-17 Sango Co., Ltd. Laser processing device
CN106853550A (en) * 2015-12-09 2017-06-16 中国科学院沈阳自动化研究所 A kind of bidifly photocoagulation integrated form plumb joint
CN114619156A (en) * 2022-05-17 2022-06-14 江苏觅科激光设备有限公司 Water-cooled laser cutting head convenient to tear open and trade

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102601526B (en) * 2012-02-20 2015-08-12 南京航空航天大学 Body compression method controls Solid State Laser penetration fustion welding nozzle and the control method thereof of plasma

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108491U (en) * 1983-12-26 1985-07-23 株式会社　アマダ Nozzle head of laser processing machine
JPS61143777U (en) * 1985-02-25 1986-09-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108491U (en) * 1983-12-26 1985-07-23 株式会社　アマダ Nozzle head of laser processing machine
JPS61143777U (en) * 1985-02-25 1986-09-05

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0584486U (en) * 1992-04-06 1993-11-16 日伸工業株式会社 Laser welding emitting unit device
US5702622A (en) * 1995-04-28 1997-12-30 Precitex Gmbh Terminal head for processing a workpiece by means of a laser beam
US6124565A (en) * 1998-04-13 2000-09-26 Yamazaki Mazak Kabushiki Kaisha Laser cutting machine
KR100539098B1 (en) * 2003-12-30 2005-12-27 두산인프라코어 주식회사 Machining head of laser cutting device
US7505504B2 (en) * 2004-10-07 2009-03-17 Sango Co., Ltd. Laser processing device
CN106853550A (en) * 2015-12-09 2017-06-16 中国科学院沈阳自动化研究所 A kind of bidifly photocoagulation integrated form plumb joint
CN114619156A (en) * 2022-05-17 2022-06-14 江苏觅科激光设备有限公司 Water-cooled laser cutting head convenient to tear open and trade
CN114619156B (en) * 2022-05-17 2022-07-12 江苏觅科激光设备有限公司 Water-cooled laser cutting head convenient to tear open and trade

Also Published As

Publication number Publication date
JP2504460B2 (en) 1996-06-05

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