CN101262112B - A CO2 laser with new structure - Google Patents
A CO2 laser with new structure Download PDFInfo
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- CN101262112B CN101262112B CN2008100069459A CN200810006945A CN101262112B CN 101262112 B CN101262112 B CN 101262112B CN 2008100069459 A CN2008100069459 A CN 2008100069459A CN 200810006945 A CN200810006945 A CN 200810006945A CN 101262112 B CN101262112 B CN 101262112B
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Abstract
The invention relates to a carbon dioxide laser with new structure. Sealing and connecting metal structures at two sides can adjust the angle of a lens (1) and a lens (12); the major structure of the laser pipe shaft comprises a glass material discharge tube (20), a jacket pipe (19), an air-storing pipe (18), an air-returning pipe (17), a water inlet (16) and a water outlet (6); a resonant cavityis composed of a total reflective mirror (1) and an output mirror (23); an angle adjusting system for the total reflective mirror comprises a fixed flange (5), an adjustable flange (3), a soft metal gasket (13) and an adjusting screw (2); the metal structure of the angle adjusting system is sealed and connected with the glass structure of the laser pipe shaft by spacer flange chips (14)(9); a high pressure protective sleeve (24) plays a role in protecting the laser metal structure part with a high pressure; an output mirror protective sleeve (23) plays a role in protecting the output mirror (12) and releasing heat. The carbon dioxide laser is mainly applicable to the laser cutting and the carving machine tool with medium and small power and material processing.
Description
Technical field: the present invention is a kind of small-power, off, and the carbon dioxide laser of glass discharge vessel structure can be applicable to laser cutting, on the equipment such as engraving.
Background technology: in current middle low power seal-off carbon dioxide laser field, mainly divide two macrostructures, a kind of RF excited carbon dioxide laser of wire chamber, the high laser marking that is mainly used in of this laser production cost; What the present invention relates to is the high direct voltage electric excitation carbon dioxide laser of another kind of glass discharge vessel structure.look into China Patent Publication No. CN2862437, its name is called seal-off carbon dioxide laser, it is to describe like this: a kind of seal-off carbon dioxide laser, gas-storing pipe is arranged, water cooling tube is set in gas-storing pipe, water cooling tube with advance, outlet pipe connects, discharge tube is set in water cooling tube, positive electrode is arranged in the cavity of discharge tube one end, this cavity arranged outside total reflective mirror, negative electrode is arranged in the cavity of the discharge tube other end, this cavity arranged outside output reflector, install around muffler on water cooling tube, one end of muffler communicates with gas-storing pipe, the muffler other end communicates with the cavity that is provided with positive electrode.The glass tube laser of selling on this laser and market more earlier is than without evident characteristic and advantage, its structure and the laser of selling in the market have following shortcoming: current lasers all directly is bonded in the glass mouth of pipe to total reflective mirror and outgoing mirror, and the grinding precision of the mouth of pipe is difficult to reach the expection requirement, make the product quality consistency not high, power output and pattern also are difficult to be in optimum state.All below 65 millimeters, gas-storing capacity is fewer for the cylinder diameter of current lasers, causes the useful life of device not long.Current lasers negative electricity polar ring all adopts sheet metal curling at the discharge tube inwall, negative electrode temperature when discharge is very high, when cooling water flow not smooth, electrode temperature sharply rises, and the rapid glass material that high temperature is passed to the electrode retaining collar side, cause the extreme differential expansion of glass discharge vessel negative electricity and burst, making device failure.The positive electrode of current lasers all adopts sheet metal to be crimped onto the discharge tube inwall, under the effect of electric field, positive electrode emission cation moves to negative pole, when arriving negative electrode, it just becomes neutral particle after trapped electron, so only have localizing electrode's material in action during the positive electrode discharge, according to discharge characteristics, energy only is gathered in a point of the positive electrode chip edge of the most close negative electrode direction, and being thin slice, electrode is rolled into, this point of discharge excites area just still less so, the energy of this point is just higher, and the stability of electrode material just reduces.The electrode of current lasers is all by the Metallic rod of sintering on the glass shell, electric current to be introduced, the sintering process difficulty is high, but Laser Devices require high to vacuum seal, so product percent of pass is difficult to improve, and when such structure is semiconductor or conductor when near the eyeglass electrode, electrode can discharge to eyeglass, destroys the eyeglass rete, affects the stable use of product.
Summary of the invention: the advantage of analyzing the various lasers of current glass tube structure, with the defective that they exist, technical problem solved by the invention is to provide a kind of reliable in structure, and is convenient for production, the power output high light beam quality is good, the carbon dioxide laser of long service life.In order to achieve the above object, the utility model is realized by following mode: this laser outgoing mirror is not directly to be bonded in the glass mouth of pipe, but outgoing mirror is bonded in an end of angle demodulator, the other end of angle demodulator and counter flange sheet weld together, then counter flange sheet and the glass mouth of pipe are sealed with epoxide-resin glue.Angle demodulator is with elasticity stainless steel material manufacturing preferably, middle ecto-entad at angle demodulator has adjusting grooves, have from inside to outside another adjusting grooves in the place near this groove, at the periphery of the adjusting grooves that ecto-entad is opened, set screw more than three is installed, elasticity by adjusting grooves absorbs the tight fashionable tension force of set screw, thereby changes the angle of outgoing mirror.The total reflective mirror of this laser neither directly be bonded in the glass mouth of pipe, but total reflective mirror is bonded on the regulating flange of a pair of edge of a knife flange, do not make the eyeglass distortion when regulating eyeglass for regulating flange, increase the mechanical strength of regulating flange, an outwardly part is wanted in abutting edge at regulating flange back side eyeglass, in second half mounting flange of edge of a knife flange and the welding of counter flange sheet, then counter flange sheet and the glass mouth of pipe are used in the epoxide-resin glue sealing-in.Soft metal packing ring of folder between the edge of a knife of the edge of a knife of mounting flange and regulating flange, soft metal packing ring available copper, aluminium, silver waits the metal manufacturing, and the degree that tightly enters of the clamping screw by regulating different azimuth is compressed the soft metal packing ring, changes the angle of total reflective mirror.The coefficient of linear expansion of counter flange sheet material is less than the coefficient of linear expansion of angle demodulator material and mounting flange material, the coefficient of linear expansion of more approaching and glass tube.Counter flange sheet iron, nickel, the alloy material manufacturing of cobalt, also available molybdenum, the tungsten material is made.In order to extend the useful life of laser, increase gas-storing capacity, this CO 2 laser with new structure adopts diameter all to surpass the cylinder of 65 millimeters.The negative electrode of this CO 2 laser with new structure is finish-machined to cylindrical shape with the metal tube lathe, stay a step in cylinder, with stainless steel spring one crown on angle demodulator, the other end withstands in electrode container, and the protuberance of negative electrode jacket casing at discharge tube, the pressure of using spring withstands on the junction of jacket pipe and discharge tube, and be suspended in the discharge mouth of pipe, such negative electrode mounting structure under the cooling unfavorable condition of the discharge tube of short time, can not cause near the discharge tube of electrode to burst.Anode power cord is connected on the negative pole terminal screw, and connect negative electrode with stainless steel spring as conductor by angle demodulator, like this extreme mouth of pipe hardware of negative electricity as whole electrical current carriers, there is no other conductor or semiconductor near it, during use, just there are not the electric discharge phenomena to other material in electrode.the positive electrode of this a kind of CO 2 laser with new structure is finish-machined to the metal tube lathe, discharge ring and installing ring are arranged, leave therebetween connecting rod will discharge the ring be connected with installing ring in aggregates, installing ring at its end has an inc opening, absorb installing ring by this opening and be stuck in tension force on mounting flange, such positive electrode mounting structure makes the discharge ring end face of positive electrode perpendicular to the central shaft of discharge tube, and the discharge ring has certain thickness, accomplished like this large as far as possible and even of electrode discharge point area, thereby reduced the oxidation reaction of positive electrode material, extended device lifetime.The cathode power supply line is connected on anodal terminal screw, and connect positive electrode by mounting flange as conductor, like this total reflective mirror of the extreme mouth of pipe hardware of negative electricity and silicon materials in the lump as whole electrical current carriers, there is no other conductor or semiconductor near it, during use, just there are not the electric discharge phenomena to other material in electrode.Cover total reflective mirror with a polytetrafluoro cup, regulating flange, mounting flange and these metallic conductors of counter flange sheet, to external world play the insulation protection effect.Put an aluminium circle outside outgoing mirror, leaves light hole in the middle of the aluminium circle, the aluminium circle also plays thermolysis to outgoing mirror outside outgoing mirror is shielded.
Description of drawings: the present invention has following accompanying drawing
Fig. 1 is structural representation of the present invention
Embodiment: accompanying drawing has represented structure of the present invention and embodiment, is described in detail and principle below in conjunction with accompanying drawing.A kind of CO 2 laser with new structure of the present invention.Its glass tube part is by discharge tube (20), jacket pipe (19), and muffler (17), cylinder (18), water inlet (16), delivery port (6) forms.First cuvette holder on Control Console, coaxial to straight discharge tube (20) with internal focusing telescope, mounting flange (5) is welded on counter flange sheet (14), the installing ring of positive electrode (15) (26) is enclosed within on the cylinder that mounting flange (5) inwardly stretches, counter flange (14) is bonded in the glass mouth of pipe of close muffler one end with epoxide-resin glue, and makes the endoporus of mounting flange (5) and discharge tube (20) keep coaxial.Use the epoxide-resin glue sealing-in on the protuberance at regulating flange (3) back side total reflective mirror (1), the upper copper washer (13) of folder between the edge of a knife of regulating flange (3) and mounting flange (5), and on fixing with the set screw (2) of periphery, tightly enter degree by what control all directions set screw (2), change the angle of total reflective mirror (1), make the reflection image of total reflective mirror (1) coaxial with discharge tube (20) central shaft.use the epoxide-resin glue sealing-in on the logical light mouth of angle demodulator (21) one ends outgoing mirror (12), angle demodulator (21) is with the elasticity material manufacturing such as stainless steel preferably, middle ecto-entad at angle demodulator (21) has adjusting grooves (11), have from inside to outside adjusting grooves (11) in the place near this adjusting grooves (11), at the periphery of the adjusting grooves (11) that ecto-entad is opened, set screw (22) more than three is installed, when wherein on one side set screw (22) inwardly tight fashionable this adjusting grooves (11) on one side so just outwards open, elasticity by adjusting grooves (11) absorbs adjustment of tonicity, thereby drive outgoing mirror (12) and change its angle.The other end of angle demodulator (21) is inserted in counter flange (9), and seal welding.Stainless steel spring (8) is enclosed within on the inside cylindrical of angle demodulator (21), the other end of stainless steel spring (8) puts negative electrode (7), and negative electrode (7) is withstood on discharge tube (20) mouth, and be suspended in cylinder (18) center, counter flange (9) with the epoxide-resin glue sealing-in at the glass mouth of pipe, make the coaxial central shaft with discharge tube (20) of angle demodulator (21).The positive electrode lead-in wire is fixed on mounting flange (5) with anodal terminal screw (4), and puts polytetrafluoro high voltage protective cover (24), the negative electrode lead-in wire is fixed on angle demodulator (21) with negative pole terminal screw (10).After vacuumizing, pour working gas, connect cooling water, the input service electric current gets final product bright dipping.And by the peripheral set screw (22) of adjusting angle adjuster (21), change the angle of outgoing mirror (12), make the coaxial and total reflective mirror (1) of its maximum possible, thereby make laser output power and pattern be in optimum state.
Claims (9)
1. carbon dioxide laser, its glass tube part is by discharge tube (20), jacket pipe (19), muffler (17), cylinder (18), water inlet (16), delivery port (6) forms, wherein, described jacket pipe (19) is set in described cylinder (18), described discharge tube (20) is set in described jacket pipe (19); Outgoing mirror (12) is bonded in an end of angle demodulator (21), the other end of angle demodulator (21) and First Transition flange plate (9) weld together, then First Transition flange plate (9) and the glass mouth of pipe are sealed with epoxide-resin glue; Angle demodulator (21) is with elasticity stainless steel material manufacturing preferably, middle ecto-entad at angle demodulator (21) has adjusting grooves (11), having from inside to outside another adjusting grooves near the place of this adjusting grooves (11), at the periphery of the adjusting grooves (11) that ecto-entad is opened, set screw (22) more than three is being installed; The total reflective mirror of this carbon dioxide laser (1) is bonded on the regulating flange (3) of a pair of edge of a knife flange, in the outwardly part in the abutting edge of regulating flange (3) back side total reflective mirror (1), on second half the mounting flange (5) and the second counter flange sheet (14) welding as described edge of a knife flange, then the second counter flange sheet (14) and the glass mouth of pipe with in the epoxide-resin glue sealing-in; A folder soft metal packing ring (13) between the edge of a knife of the edge of a knife of mounting flange (5) and regulating flange (3), soft metal packing ring (13) is used copper, aluminium, or the silver metal manufacturing, the clamping screw (2) by regulating different azimuth tightly enter the angle that degree is regulated total reflective mirror (1); The coefficient of linear expansion of the second counter flange sheet (14) material and the coefficient of linear expansion of laser mouth of pipe glass material approach, use molybdenum, the tungsten material, perhaps use iron, nickel, the alloy material manufacturing of cobalt, the coefficient of linear expansion of the second counter flange sheet (14) and First Transition flange plate (9) material is less than the coefficient of linear expansion of angle demodulator (21) material and mounting flange (5) material; This carbon dioxide laser adopts the increasing cylinder (18) of diameter between 65 millimeters to 110 millimeters; The negative electrode of this carbon dioxide laser (7) adopts metal tube, lathe is finish-machined to cylindrical shape, stay a step in cylinder, with a stainless steel spring (8) one crowns on angle demodulator (21), the other end withstands in negative electrode (7) cylinder, and the protuberance of negative electrode (7) jacket casing in discharge tube (20), the pressure of using spring (8) withstands on the junction of jacket pipe (19) and discharge tube (20), and is suspended in discharge tube (20) mouth; Anode power cord is connected on negative pole terminal screw (10), and is connected 8 by angle demodulator (21) with stainless steel spring) connect negative electrode (7) as conductor; The positive electrode of this carbon dioxide laser (15) adopts metal tube, be finish-machined to by lathe, discharge ring (25) and installing ring (26) are arranged, leave therebetween the connecting rod ring (25) that will discharge and be connected 26 with installing ring) connect in aggregates, installing ring (26) at its end has an inc opening, absorbs installing ring (26) by this opening and is stuck in tension force on mounting flange (5); The cathode power supply line is connected on anodal terminal screw (4), and connects positive electrode (15) by mounting flange (5) as conductor; Cover total reflective mirror (1) with a polytetrafluoro cup (24), regulating flange (3), mounting flange (5) and second these metallic conductors of counter flange sheet (14); Put a guard circle (23) outside outgoing mirror (12), leave light hole in the middle of guard circle (23).
2. a kind of carbon dioxide laser according to claim 1, principal character is: laser outgoing mirror (12) sealing-in is on the angle demodulator with light hole (21) that stainless steel material is made.
3. a kind of carbon dioxide laser according to claim 1, principal character is: laser total reflective mirror (1) sealing-in is on the regulating flange with light hole (3) that stainless steel material is made.
4. a kind of carbon dioxide laser according to claim 1, principal character is: the angle of outgoing mirror (12) is adjustable, is to realize by the angle demodulator (21) with light hole.
5. a kind of carbon dioxide laser according to claim 1, principal character is: the angle of total reflective mirror (1) is adjustable, by by mounting flange (5), regulating flange (3), soft metal packing ring (13), the regulating system that clamping screw (2) forms realizes.
6. a kind of carbon dioxide laser according to claim 1, principal character is: the coefficient of linear expansion of First Transition flange plate (9) material is less than the coefficient of linear expansion of angle demodulator (21) material and mounting flange (5) material, closer to the coefficient of linear expansion of glass tube; First Transition flange plate (9) is used iron, nickel, and molybdenum is perhaps used in the alloy material manufacturing of cobalt, and the tungsten material is made.
7. a kind of carbon dioxide laser according to claim 1, principal character is: the electric current of all conductive structures by negative electrode (7) the end mouth of pipe, and be same electric current by the electric current of negative electrode (7).
8. a kind of carbon dioxide laser according to claim 1, principal character is: the electric current of all conductive structures by positive electrode (15) the end mouth of pipe, and be same electric current by the electric current of positive electrode (15).
9. a kind of carbon dioxide laser according to claim 1, principal character is: positive electrode (15) directly is stuck on mounting flange (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100069459A CN101262112B (en) | 2008-01-25 | 2008-01-25 | A CO2 laser with new structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100069459A CN101262112B (en) | 2008-01-25 | 2008-01-25 | A CO2 laser with new structure |
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| Publication Number | Publication Date |
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| CN101262112A CN101262112A (en) | 2008-09-10 |
| CN101262112B true CN101262112B (en) | 2013-06-05 |
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| CN2008100069459A Active CN101262112B (en) | 2008-01-25 | 2008-01-25 | A CO2 laser with new structure |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102544991B (en) * | 2012-03-01 | 2015-01-07 | 杭州华镭激光设备有限公司 | Discharge tube adjustable straight type laser tube |
| CN105684241A (en) * | 2014-06-18 | 2016-06-15 | 徐海军 | Carbon dioxide gas laser tube and preparation method therefor |
| WO2015192268A1 (en) * | 2014-06-18 | 2015-12-23 | 徐海军 | Carbon dioxide gas laser tube and preparation method therefor |
| WO2016033709A1 (en) * | 2014-09-05 | 2016-03-10 | 北京热刺激光技术有限责任公司 | Laser tube with water passing structure |
| CN104868348A (en) * | 2015-05-11 | 2015-08-26 | 北京镭海激光科技有限公司 | Carbon dioxide laser tube with new structure |
| CN107039875B (en) * | 2017-06-09 | 2023-03-31 | 吉林省永利激光科技有限公司 | Sealed carbon dioxide laser |
| CN107528196A (en) * | 2017-10-25 | 2017-12-29 | 上海容东激光科技有限公司 | A kind of laser tube of adjustable output power |
| CN107994502A (en) * | 2017-12-04 | 2018-05-04 | 广东电网有限责任公司东莞供电局 | A kind of CO2Laser removes the transmission line of electricity drift attached water cooling power supply integrated device of article hanger |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815093A (en) * | 1987-11-02 | 1989-03-21 | Wollermann Windgasse Reinhard | Device for a modular power laser |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4370521B2 (en) * | 2004-12-28 | 2009-11-25 | 澁谷工業株式会社 | Laser oscillator |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4815093A (en) * | 1987-11-02 | 1989-03-21 | Wollermann Windgasse Reinhard | Device for a modular power laser |
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| Title |
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| JP特开2006-186236A 2006.07.13 |
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| CN101262112A (en) | 2008-09-10 |
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Effective date of registration: 20151210 Address after: 100016, Beijing, Jiuxianqiao, Chaoyang District East Road, No. 1 hospital, M8 west five Patentee after: Beijing Reci Laser Technology Co., Ltd. Address before: 317520, No. 216 cross Shek Middle Road, Hengfeng street, Zhejiang, Wenling Patentee before: Xu Haijun |
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Effective date of registration: 20190430 Address after: 317500 Small and Medium-sized Enterprise Incubation Park No. 2 Jintangbei Road, East New District of Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Thermal Stimulation Optical Technology Co., Ltd. Address before: 100016 West Five Floors of Court M8, No. 1 Jiuxianqiao East Road, Chaoyang District, Beijing Patentee before: Beijing Reci Laser Technology Co., Ltd. |