CN102403647B - Aluminum alloy unit gold-cavity resonant laser - Google Patents
Aluminum alloy unit gold-cavity resonant laser Download PDFInfo
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- CN102403647B CN102403647B CN 201110373306 CN201110373306A CN102403647B CN 102403647 B CN102403647 B CN 102403647B CN 201110373306 CN201110373306 CN 201110373306 CN 201110373306 A CN201110373306 A CN 201110373306A CN 102403647 B CN102403647 B CN 102403647B
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Abstract
The invention relates to an aluminum alloy unit gold-cavity resonant laser comprising a laser housing, wherein a red light emitting cavity and a laser half-emitting and beam-expanding cavity are arranged at the two ends within the laser housing, respectively; a laser emitting cavity is arranged between the red light emitting cavity and the laser half-emitting and beam-expanding cavity; a total reflection mirror is arranged in the red light emitting cavity; a laser emitter is arranged in the laser emitting cavity; a half-reflecting mirror and a beam-expanding mirror are arranged in the laser half-emitting and beam-expanding cavity; the half-reflecting mirror is located on one side of the beam-expanding mirror and is adjacent to the laser emitter; an infrared emitter is arranged on the outer side of the laser housing with respect to the end portion where the red light emitting cavity; and the axis of the red light emitter is in the same straight line with the axes of the total reflection mirror, the laser emitter, the half-reflecting mirror and the beam-expanding mirror. The resonant laser is simple and compact in structure, convenient to mount and maintain, good in dust removal effect and excellent in interference resistance; therefore, the optical quality is improved; and the resonant laser is safe and reliable.
Description
Technical field
The present invention relates to a kind of laser, especially a kind of aluminum alloy unit gold-cavity resonant laser belongs to the technical field of laser.
Background technology
In recent years, the laser technology develop rapidly, laser cutting has become the maximum laser processing technology of current application.Along with the demand of cutting equipment is increasing, people are more and more higher to the requirement of cutting efficiency.The core of cutting efficiency is laser, and existing laser in the course of the work dust-proof effect is poor, and temperature is affected by environment greatly, and the optical quality of output facula is not good.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of aluminum alloy unit gold-cavity resonant laser is provided, it is simple and compact for structure, and installation and maintenance are convenient, good dustproof effect, and antijamming capability is strong, improves optical quality, and is safe and reliable.
According to technical scheme provided by the invention, described aluminum alloy unit gold-cavity resonant laser, comprise laser housing, two ends in the described laser housing are respectively equipped with red emission chamber, laser half emission and beam expanding cavity, are the Laser emission chamber between half emission of described red emission chamber and laser and beam expanding cavity; Described red emission is provided with completely reflecting mirror in the chamber, and Laser emission is provided with generating laser in the chamber, is provided with half-reflecting mirror and beam expanding lens in laser half emission and the beam expanding cavity, and described half-reflecting mirror is positioned at a side of beam expanding lens, and the contiguous generating laser of half-reflecting mirror; Laser housing is provided with the red emission device corresponding to the outside that end, red emission chamber is set; The axis of the axis of described red emission device and completely reflecting mirror, generating laser, half-reflecting mirror and beam expanding lens is located along the same line.
Described laser housing comprises light tool box top board, the below of described smooth tool box top board is provided with light tool box plate, the both sides of described smooth tool box top board arrange respectively light tool box right plate and light tool box left plate, the two ends of light tool box top board arrange respectively backboard and front apron, and described smooth tool box top board, light tool box plate and light tool box right plate, light tool box left plate, backboard and front apron corresponding matching are enclosed laser housing.
Described red emission device is positioned on the ruddiness fixed mount, and described ruddiness fixed mount is positioned at the ruddiness adjustment rack, and the ruddiness adjustment rack is installed on the end of laser housing; The axis of the axis of ruddiness fixed mount and ruddiness adjustment rack is located along the same line, and the axis of ruddiness fixed mount is consistent with the light transmition direction of red emission device.
Described laser housing is provided with for the beam expanding lens adjustment rack of adjusting beam expanding lens corresponding to the end that forms laser half emission and beam expanding cavity, and described beam expanding lens adjustment rack is provided with protective glass corresponding to the other end that links to each other with laser housing; The axis of described protective glass is consistent with the bright dipping outlet of generating laser and red emission device.
End in the described laser housing is provided with rear shrouding, and an end of described rear shrouding links to each other with the inwall of laser housing end, and the other end of rear shrouding links to each other with the first central dividing plate; Rear shrouding is provided with the first acrylic fixed block corresponding to the joint portion with the laser housing inwall; Enclose between rear shrouding and the first central dividing plate and laser housing and form the red emission chamber; The first central dividing plate is provided with adjusting hole, and the axis of described adjusting hole is consistent with the light transmition direction of red emission device and generating laser.
End in the described laser housing is provided with front shrouding, and an end of described front shrouding links to each other with the inwall of laser housing end, and the other end of front shrouding links to each other with the second central dividing plate; Front shrouding is provided with the second acrylic fixed block corresponding to the joint portion with the laser housing inwall; Enclose between front shrouding and the second central dividing plate and laser housing and form laser half emission and beam expanding cavity; The second central dividing plate is provided with light hole, and the axis of described light hole is consistent with the light transmition direction of red emission device and generating laser.
The bottom of described laser housing is provided with water out adapter and water supply connector, described water out adapter and water supply connector be positioned at generating laser under.
Laser housing is passed in described water out adapter and water supply connector, and water out adapter and water supply connector link to each other with generating laser by sealing ring.
Described laser housing adopts aluminium alloy to make.Described water out adapter and water supply connector link to each other with the high-pressure cooling water case by high-pressure water pipe, and described high-pressure cooling water case forms circulating water cooling system by high-pressure water pipe and water out adapter, water supply connector.
Advantage of the present invention: red emission chamber, Laser emission chamber, laser half emission and beam expanding cavity are set in the laser housing, and Laser emission arranges generating laser in the chamber, is provided with half-reflecting mirror and beam expanding lens in laser half emission and the beam expanding cavity; When the power of generating laser emission fails to reach operating power, laser reflexes in the generating laser by half-reflecting mirror, so that generating laser can send more powerful laser, said process carries out repeatedly, in laser housing, form resonant cavity, improve laser power, output after integrating by beam expanding lens; The laser housing that adopts the totally enclosed type aluminium alloy to form can prevent effectively that external dust and foreign material from entering; The aluminum alloy materials heat exchange is fast, and laser housing can form circulating water cooling system by water supply connector and water out adapter, and it is constant effectively to keep the laser internal temperature; Adopt non-stable resonant cavity, energy Effective Raise optical quality; Red emission chamber, laser half emission and beam expanding cavity, Laser emission chamber form modularization by corresponding construction, and maintenance is very convenient with replacing; Simple and compact for structure, antijamming capability is strong, improves optical quality, and is safe and reliable.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 be Fig. 1 partly cut open figure.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
Such as Fig. 1 ~ shown in Figure 2: the present invention includes ruddiness adjustment rack 1; ruddiness fixed mount 2; backboard 3; the first acrylic fixed block 4; red emission device 5; light tool box top board 6; completely reflecting mirror 7; rear shrouding 8; the first central dividing plate 9; sealing ring 10; water out adapter 11; generating laser 12; water supply connector 13; the second central dividing plate 14; half-reflecting mirror 15; beam expanding lens 16; regulate backing plate 17; front shrouding 18; the second acrylic fixed block 19; beam expanding lens adjustment rack 20; protective glass 21; front apron 22; light tool box right plate 23; light tool box left plate 24; light tool box plate 25; laser housing 26; red emission chamber 27; Laser emission chamber 28; laser half emission and beam expanding cavity 29; adjusting hole 30 and light hole 31.
As depicted in figs. 1 and 2: described laser housing 26 comprises light tool box top board 6, and the below of described smooth tool box top board 6 is provided with light tool box plate 25, described smooth tool box plate 25 and the 6 parallel distributions of light tool box top board.The both sides of light tool box top board 6 are respectively equipped with light tool box right plate 23 and light tool box left plate 24, described smooth tool box right plate 23 and light tool box left plate 24 are symmetrically distributed in the both sides of light tool box top board 6, wherein, light tool box right plate 23 is positioned at the right side of light tool box top board 6, light tool box left plate 24 is positioned at the left side of light tool box top board 6, and the two ends of light tool box right plate 23 and light tool box left plate 24 contact with light tool box top board 6 and light tool box plate 25 respectively.The two ends of light tool box top board 6 arrange respectively backboard 3 and front apron 22, described backboard 3 and front apron 22 and light tool box top board 6, light tool box plate 25, light tool box right plate 23 and 24 shell structures of enclosing sealing of light tool box left plate namely form laser housing 26.The backboard 3, light tool box top board 6, front apron 22, light tool box right plate 23, light tool box left plate 24 and the light tool box plate 25 that form laser housing 26 adopt aluminium alloy to make, thereby in laser housing 26 interior formation metallic cavity, can avoid the structure in the laser housing 26 to be polluted.
Two ends in the laser housing 26 form respectively red emission chamber 27, laser half emission and beam expanding cavity 29, launch corresponding to red emission chamber 27 and laser half in the laser housing 26 and 29 of beam expanding cavities are Laser emission chamber 28, red emission chamber 27 is positioned at laser housing 26 backboard 3 one ends is set, and laser half emission and beam expanding cavity 29 are positioned at the end that laser housing 26 arranges front apron 22.
Particularly, be provided with completely reflecting mirror 7 in the described red emission chamber 27, described completely reflecting mirror 7 is installed on the light tool box plate 25.Be provided with rear shrouding 8 corresponding to an end that forms red emission chamber 27 in the laser housing 26, described rear shrouding 8 distributes along the axial length of laser housing 26, one end of rear shrouding 8 links to each other with the backboard 3 of laser housing 26 ends, the other end of rear shrouding 8 links to each other with the first central dividing plate 9, rear shrouding 8 and the 9 perpendicular distributions of the first central dividing plate, the first central dividing plate 9 links to each other with light tool box plate 25 corresponding to the other end that links to each other with rear shrouding 8, thereby by the first central dividing plate 9, rear shrouding 8 encloses formation red emission chamber 27 with the inwall corresponding matching of laser housing 26.Rear shrouding 8 is provided with the first acrylic fixed block 4 corresponding to the joint portion with backboard 3, can form modular red emission chamber 27 by the first acrylic fixed block 4 and rear shrouding 8 and the first central dividing plate 9 corresponding matching.Laser housing 26 is provided with red emission device 5 corresponding to forming 27 outer ends, red emission chamber, described red emission device 5 is installed in the ruddiness adjustment rack 1 by ruddiness fixed mount 2, ruddiness adjustment rack 1 is installed on the bottom of backboard 3, and the end of ruddiness adjustment rack 1 is stretched in the red emission chamber 27, and the axis of ruddiness adjustment rack 1 and ruddiness fixed mount 2 is located along the same line.The first central dividing plate 9 is provided with adjusting hole 30, and the axis of described adjusting hole 30 is consistent with the light transmition direction of red emission device 5, and namely the light transmition direction of red emission device 5 is passed the axis propagation of adjusting hole 30.The axis of the axis of red emission device 5 and completely reflecting mirror 7 is located along the same line.
Be provided with generating laser 12 in the Laser emission chamber 28, described generating laser 12 is fixedly installed on the light tool box plate 25, and the axis of the axis of generating laser 12 and red emission device 5 is located along the same line, and namely the light transmition direction of generating laser 12 is consistent with the light transmition direction of red emission device 5.
Be provided with half-reflecting mirror 15 and beam expanding lens 16 in laser half emission and the beam expanding cavity 29, described beam expanding lens 16 is positioned at a side of half-reflecting mirror 15, and half-reflecting mirror 15 contiguous generating lasers 12, and beam expanding lens 16 relative half-reflecting mirrors 15 are than away from generating laser 12; Half-reflecting mirror 15 is installed on the light tool box plate 25, and beam expanding lens 16 is installed on the light tool box plate 25 by regulating backing plate 17, and the axis of described half-reflecting mirror 15 is consistent with the axis of beam expanding lens 16.Described laser housing 26 is provided with front shrouding 18 corresponding to an end that forms laser half emission and beam expanding cavity 29, and the length direction of described front shrouding 18 is consistent with the length direction of laser housing 26; One end of front shrouding 18 links to each other with the front apron 22 of laser housing 26 ends, the other end links to each other with the second central dividing plate 14, described the second central dividing plate 14 links to each other with light tool box plate 25 corresponding to the other end that links to each other with front shrouding 18, the bottom of the second central dividing plate 14 is provided with light hole 31, and the axis of the axis of described light hole 31 and adjusting hole 30 is located along the same line.Front shrouding 18 is provided with the second acrylic fixed block 19 corresponding to the joint portion with front apron 22, by the corresponding matching of the second acrylic fixed block 19 with front shrouding 18, the second central dividing plate 14, can form modularized laser half emission and beam expanding cavity 29.
In order to regulate beam expanding lens 16, front apron 22 is provided with beam expanding lens adjustment rack 20, and described beam expanding lens adjustment rack 20 is positioned at outside the laser housing 26, can regulate the depth of parallelism and the angle of beam expanding lens 16 by beam expanding lens adjustment rack 20.Beam expanding lens adjustment rack 20 is provided with protective glass 21 corresponding to the other end that links to each other with front apron 22, can avoid foreign material to enter in the laser housing 26 by protective glass 21, can prevent that foreign material to the pollution of beam expanding lens 16 and half-reflecting mirror 15, increasing the service life.On completely reflecting mirror 7 and the half-reflecting mirror 15 the adjustment screw is set all, by adjusting corresponding adjustment screw, can adjusts focus and the depth of parallelism of completely reflecting mirror 7 and half-reflecting mirror 15, improve the adaptability of laser.
Carry out efficiently radiates heat when using for laser, laser housing 26 is provided with water out adapter 11 and water supply connector 13, described water supply connector 13 and water out adapter 11 be positioned at generating laser 12 under, and water out adapter 11 and water supply connector 13 are positioned on the light tool box plate 25, and water out adapter 11 and water supply connector 13 contact with generating laser 12 after all passing light tool box plate 25.Water out adapter 11, water supply connector 13 and 12 of generating lasers are provided with sealing ring 10, can prevent that by sealing ring 10 sealing or other foreign material contact with generating laser 12.Water out adapter 11, water supply connector 13 link to each other with the high-pressure cooling water case by high-pressure water pipe, thereby high-pressure water pipe installs and fixes rear by water out adapter 11, water supply connector 13 and the high-pressure cooling water case consists of circulating water cooling system, cooling water in high-pressure cooling water case circulation time in high-pressure water pipe, heat in the laser housing 26 can be taken away, avoid the temperature overheating of laser housing 26.
As depicted in figs. 1 and 2: during use; at first adjust by 1 pair of red emission device 5 of ruddiness adjustment rack; guarantee the terminal center that is centered close to laser housing 26 of red emission device 5 outputs; thereby guarantee that laser that laser 12 is launched is positioned at the centre of outlet; namely penetrate the utilization ratio of Effective Raise laser by the center of protective glass 21.Then carry out water-filling by the high-pressure cooling water case by 13 pairs of whole cooling chambers of water supply connector, and consist of a circulating cooling system by water pipe and water out adapter 11.Generating laser 12 is from the two ends Emission Lasers after the energising, wherein corresponding rear end near red emission device 5 is the inoperative direction, therefore extreme direction laser all is reflected back generating laser 12 by completely reflecting mirror 7 after, and excitation laser is excellent again, so that generating laser 12 is launched more powerful laser, corresponding front end near laser half emission and beam expanding cavity 29 is operative orientation.When initial, laser on the front end operative orientation fails to reach operating power, then laser effectively is back to generating laser 12 by half-reflecting mirror 15, and excitation laser is excellent again, sends more powerful laser, by said process repeatedly, then consisted of a resonant cavity of generating laser 12, by resonant cavity, laser power gets a promotion rapidly, cutting efficiency that finally can Effective Raise laser.The laser that can reach operating power that front end emission goes out passes through half-reflecting mirror 15 smoothly, and then integrates rear output by beam expanding lens 16 and effectively work.
Claims (6)
1. aluminum alloy unit gold-cavity resonant laser, it is characterized in that: comprise laser housing (26), two ends in the described laser housing (26) are respectively equipped with red emission chamber (27), laser half emission and beam expanding cavity (29), are Laser emission chamber (28) between half emission of described red emission chamber (27) and laser and beam expanding cavity (29); Be provided with completely reflecting mirror (7) in the described red emission chamber (27), be provided with generating laser (12) in the Laser emission chamber (28), be provided with half-reflecting mirror (15) and beam expanding lens (16) in laser half emission and the beam expanding cavity (29), described half-reflecting mirror (15) is positioned at a side of beam expanding lens (16), and the contiguous generating laser (12) of half-reflecting mirror (15); Laser housing (26) is provided with red emission device (5) corresponding to the outside that end, red emission chamber (27) is set; The axis of the axis of described red emission device (5) and completely reflecting mirror (7), generating laser (12), half-reflecting mirror (15) and beam expanding lens (16) is located along the same line;
Described laser housing (26) comprises light tool box top board (6), the below of described smooth tool box top board (6) is provided with light tool box plate (25), the both sides of described smooth tool box top board (6) arrange respectively light tool box right plate (23) and light tool box left plate (24), the two ends of light tool box top board (6) arrange respectively backboard (3) and front apron (22), described smooth tool box top board (6), light tool box plate (25) and light tool box right plate (23), light tool box left plate (24), backboard (3) and front apron (22) corresponding matching are enclosed laser housing (26);
Described red emission device (5) is positioned on the ruddiness fixed mount (2), and described ruddiness fixed mount (2) is positioned at ruddiness adjustment rack (1), and ruddiness adjustment rack (1) is installed on the end of laser housing (26); The axis of the axis of ruddiness fixed mount (2) and ruddiness adjustment rack (1) is located along the same line, and the axis of ruddiness fixed mount (2) is consistent with the light transmition direction of red emission device (5);
End in the described laser housing (26) is provided with rear shrouding (8), and an end of described rear shrouding (8) links to each other with the inwall of laser housing (26) end, and the other end of rear shrouding (8) links to each other with the first central dividing plate (9); Rear shrouding (8) is provided with the first acrylic fixed block (4) corresponding to the joint portion with laser housing (26) inwall; Enclose between rear shrouding (8) and the first central dividing plate (9) and laser housing (26) and form red emission chamber (27); The first central dividing plate (9) is provided with adjusting hole (30), and the axis of described adjusting hole (30) is consistent with the light transmition direction of red emission device (5) and generating laser (12);
End in the described laser housing (26) is provided with front shrouding (18), and an end of described front shrouding (18) links to each other with the inwall of laser housing (26) end, and the other end of front shrouding (18) links to each other with the second central dividing plate (14); Front shrouding (18) is provided with the second acrylic fixed block (19) corresponding to the joint portion with laser housing (26) inwall; Enclose between front shrouding (18) and the second central dividing plate (14) and laser housing (26) and form laser half emission and beam expanding cavity (29); The second central dividing plate (14) is provided with light hole (31), and the axis of described light hole (31) is consistent with the light transmition direction of red emission device (5) and generating laser (12).
2. aluminum alloy unit gold-cavity resonant laser according to claim 1, it is characterized in that: described laser housing (26) is provided with for the beam expanding lens adjustment rack (20) of adjusting beam expanding lens (16) corresponding to the end that forms laser half emission and beam expanding cavity (29), and described beam expanding lens adjustment rack (20) is provided with protective glass (21) corresponding to the other end that links to each other with laser housing (26); The axis of described protective glass (21) is consistent with the bright dipping outlet of generating laser (12) and red emission device (5).
3. aluminum alloy unit gold-cavity resonant laser according to claim 1, it is characterized in that: the bottom of described laser housing (26) is provided with water out adapter (11) and water supply connector (13), described water out adapter (11) and water supply connector (13) be positioned at generating laser (12) under.
4. aluminum alloy unit gold-cavity resonant laser according to claim 3, it is characterized in that: laser housing (26) is passed in described water out adapter (11) and water supply connector (13), and water out adapter (11) and water supply connector (13) link to each other with generating laser (12) by sealing ring (10).
5. aluminum alloy unit gold-cavity resonant laser according to claim 1 is characterized in that: described laser housing (26) adopts aluminium alloy to make.
6. aluminum alloy unit gold-cavity resonant laser according to claim 3, it is characterized in that: described water out adapter (11) and water supply connector (13) link to each other with the high-pressure cooling water case by high-pressure water pipe, and described high-pressure cooling water case forms circulating water cooling system by high-pressure water pipe and water out adapter (11), water supply connector (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373306 CN102403647B (en) | 2011-11-22 | 2011-11-22 | Aluminum alloy unit gold-cavity resonant laser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110373306 CN102403647B (en) | 2011-11-22 | 2011-11-22 | Aluminum alloy unit gold-cavity resonant laser |
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| Publication Number | Publication Date |
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| CN102403647A CN102403647A (en) | 2012-04-04 |
| CN102403647B true CN102403647B (en) | 2013-01-30 |
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| CN 201110373306 Active CN102403647B (en) | 2011-11-22 | 2011-11-22 | Aluminum alloy unit gold-cavity resonant laser |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632341B (en) * | 2012-05-14 | 2014-09-03 | 无锡洲翔成套焊接设备有限公司 | Sealing device for laser cutting machines |
| CN108007864A (en) * | 2017-11-08 | 2018-05-08 | 北京航天控制仪器研究所 | A kind of double window mirror optics cavity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245608A2 (en) * | 1986-03-17 | 1987-11-19 | Cincinnati Milacron Inc. | Laser beam combiner |
| US5828690A (en) * | 1995-12-18 | 1998-10-27 | General Electric Company | Unitary body laser head |
| CN2717606Y (en) * | 2004-06-15 | 2005-08-17 | 武汉楚天激光（集团）股份有限公司 | Light guide focusing device for laser welding machine |
| CN2838110Y (en) * | 2005-10-20 | 2006-11-15 | 张小纪 | Single-lamp combined spotlight cavity |
| CN202405609U (en) * | 2011-11-22 | 2012-08-29 | 无锡庆源激光科技有限公司 | Aluminium alloy unit gold cavity resonance laser |
-
2011
- 2011-11-22 CN CN 201110373306 patent/CN102403647B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0245608A2 (en) * | 1986-03-17 | 1987-11-19 | Cincinnati Milacron Inc. | Laser beam combiner |
| US5828690A (en) * | 1995-12-18 | 1998-10-27 | General Electric Company | Unitary body laser head |
| CN2717606Y (en) * | 2004-06-15 | 2005-08-17 | 武汉楚天激光（集团）股份有限公司 | Light guide focusing device for laser welding machine |
| CN2838110Y (en) * | 2005-10-20 | 2006-11-15 | 张小纪 | Single-lamp combined spotlight cavity |
| CN202405609U (en) * | 2011-11-22 | 2012-08-29 | 无锡庆源激光科技有限公司 | Aluminium alloy unit gold cavity resonance laser |
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| CN102403647A (en) | 2012-04-04 |
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Denomination of invention: Aluminum alloy unit gold-cavity resonant laser Effective date of registration: 20150527 Granted publication date: 20130130 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI QINGYUAN LASER TECHNOLOGY Co.,Ltd. Registration number: 2015990000416 |
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Date of cancellation: 20190709 Granted publication date: 20130130 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI QINGYUAN LASER TECHNOLOGY Co.,Ltd. Registration number: 2015990000416 |
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Denomination of invention: Aluminum alloy unit gold cavity resonant laser Effective date of registration: 20230516 Granted publication date: 20130130 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi New District sub branch Pledgor: WUXI QINGYUAN LASER TECHNOLOGY Co.,Ltd. Registration number: Y2023980040547 |