CN104218434B - A kind of laser machine and its installation method with light path detecting device - Google Patents

A kind of laser machine and its installation method with light path detecting device Download PDF

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Publication number
CN104218434B
CN104218434B CN201410329749.0A CN201410329749A CN104218434B CN 104218434 B CN104218434 B CN 104218434B CN 201410329749 A CN201410329749 A CN 201410329749A CN 104218434 B CN104218434 B CN 104218434B
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China
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light
reflecting mirror
laser
optical axis
yag
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Expired - Fee Related
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CN201410329749.0A
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CN104218434A (en
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孙智娟
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Shenzhen Institute of Technology
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Shenzhen Institute of Technology
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Abstract

The present invention relates to Laser Processing, more particularly to a kind of laser machine with light path detecting device, the laser machine is main to be dimmed optical axis position detection means, scanning system, workbench and control cabinet and is combined by optical bench, instruction feux rouges device, completely reflecting mirror, acousto-optic Q-switching, laser pump cavity, partially reflecting mirror, beam expanding lens, YAG, present invention also offers a kind of installation method for the laser machine for worrying light path detecting device, the installation method comprises the following steps:A. it will indicate that feux rouges device is arranged on optical bench first;B. and then on the basis of indicating the light that feux rouges device is sent, laser pump cavity, partially reflecting mirror, completely reflecting mirror, acousto-optic Q-switching and beam expanding lens are installed successively.This device can be detected to outgoing optical position, be easy to correction, risk and security risk that reduction back end device is damaged.

Description

A kind of laser machine and its installation method with light path detecting device
Technical field
The invention belongs to laser field, a kind of laser machine with light path detecting device is especially belonged to.
Background technology
The laser machine sold in the market, it is impossible to laser whether on optical axis, whether deviate, if the deviation from but deviate How much, spot size how, optical quality as how judged exactly, the experience of operator can only be leaned on, or by again Frequency piece is roughly estimated that so the service life and service efficiency to equipment have large effect, while the working clearance deposits In very big potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of laser machine with light path detecting device, it is intended to solves the same of laser deviation Shi Tigao laser optical path quality.
The present invention is achieved in that a kind of laser machine with light path detecting device, and the laser machine is mainly had by light Seat, instruction feux rouges device, completely reflecting mirror, acousto-optic Q-switching, laser pump cavity, partially reflecting mirror, beam expanding lens, YAG light modulation optical axis position inspections Survey device, scanning system, workbench and control cabinet to combine, the optical bench is placed in the control cabinet upper end, the instruction Feux rouges device, the completely reflecting mirror, the acousto-optic Q-switching, the laser pump cavity, the partially reflecting mirror, the beam expanding lens are successively It is placed on the optical bench, the YAG light modulation optical axis position detection means and the scanning system are placed sequentially in the light It is fixedly connected on tool seat extended line and with optical bench side wall, the workbench is connected with control cabinet side wall.It is described YAG light modulations optical axis position detection means can extend the service life of the components such as scanning system, focus lamp, while evading workplace The potential safety hazard that gap is present.
The present invention further technical scheme be:The YAG light modulations optical axis position detection means is divided into incident light YAG light modulations Optical axis position detection means and emergent light YAG light modulation optical axis position detection means, the incident light YAG light modulations optical axis position detection Device is provided with light sensor, when incident light is vertical with incident end detecting device and completely by light sensor centre bore, Sensor is not irradiated with a laser, sensor alarm free signal output, illustrates that debugging incident light is coaxial, debugging effect meets the requirements; When incident light is not vertical with incident end detecting device or part is by light sensor centre bore, incident end sensor is by laser Irradiation, sensor output alarm signal illustrates that debugging incident light deviates optical axis, it is necessary to readjust.The emergent light YAG light modulations Optical axis position detection means also is provided with light sensor, when emergent light is vertical with outgoing end detecting device and is passed completely by photosensitive During sensor centre bore, sensor is not irradiated with a laser, sensor alarm free signal output, illustrates that debugging emergent light is coaxial, debugging Effect meets the requirements;When emergent light is not vertical with outgoing end detecting device or part is by light sensor centre bore, outgoing End sensor is irradiated with a laser, sensor output alarm signal, illustrates that debugging emergent light deviates optical axis, it is necessary to readjust.Should Sensor detection section is divided into four quadrants by device using two fibre optical sensors, independent to show facula deviation position.
The present invention further technical scheme be:Indicate feux rouges device, completely reflecting mirror, acousto-optic Q-switching, laser pump cavity, part Speculum, beam expanding lens are successively set on optical bench in this order, and the YAG light modulations optical axis position detection means is connected to described After beam expanding lens and extend beyond the laser machine, the scanning system is connected to the YAG light modulations optical axis position detection dress After putting and extend beyond the laser machine, the instruction feux rouges device, completely reflecting mirror, acousto-optic Q-switching, laser pump cavity, portion Divide speculum, beam expanding lens, YAG light modulation optical axis position detection means, central coaxial is simultaneously vertical with optical bench, indicates feux rouges device hair Go out ordinary beam of light, be used as a benchmark, conveniently install and adjust other optics.Laser pump cavity produces laser, generation Laser is vibrated back and forth in the intra resonant cavity being made up of completely reflecting mirror and partially reflecting mirror, and acousto-optic Q-switching is carried out to continuous laser Q is adjusted, beam expanding lens is entered after being adjusted through partially reflecting mirror, beam expanding lens can change the diameter dimension and dispersion angle of laser beam, from The laser that beam expanding lens comes out injects the scanning system after YAG light modulation optical axis position detection means, by laser optical path Change onto workbench.
The present invention further technical scheme be:The scanning system is located at beyond the wall of the control cabinet side and positioned at institute State directly over workbench, when the scanning system is located on optical bench extended line and is located at directly over the workbench through overscan Retouching the laser after system change light path could smoothly reach on the workbench.
The present invention further technical scheme be:The control cabinet is provided with alarm panel, control panel and touch control computer, when When incident light or outgoing light shift or deviation optical axis, incident light or outgoing optical sensor are irradiated with a laser, sensor output alarm Signal, the alarm panel work, control panel controls each device on the optical bench, and the data collected from probe will be transmitted To sensor driver, intuitively shown by touch control computer.
The present invention further technical scheme be:The installation method comprises the following steps,
A. will indicate that feux rouges device is arranged on optical bench first, position is vertical with the optical bench, the light sent and Optical bench is parallel;
B. and then laser pump cavity, partially reflecting mirror, total reflection are installed successively on the basis of indicating the light that feux rouges device is sent Mirror, acousto-optic Q-switching and beam expanding lens.
The present invention further technical scheme be:The laser pump cavity installed successively on the optical bench, partially reflecting mirror, it is all-trans Penetrate mirror, acousto-optic Q-switching and beam expanding lens position vertical with the optical bench, central coaxial and point-blank.
The beneficial effects of the invention are as follows:The device is by the way of Light Electronic Control System separation, the number collected from probe According to will be transmitted to sensor driver, intuitively shown by touch control computer, the device, will using two light sensors Sensor detection section is divided into four quadrants, independent to show facula deviation position, and scanning system entrance port is filled using spot detection Put, incident light position can be detected, be easy to correction, risk and security risk that reduction back end device is damaged.
【Brief description of the drawings】
Fig. 1 is a kind of laser machine overall structure diagram with light path detecting device provided in an embodiment of the present invention;
Fig. 2-Fig. 4 is a kind of YAG light modulation optical axises of laser machine with light path detecting device provided in an embodiment of the present invention The schematic diagram and fundamental diagram of position detecting device.
Reference:0th, optical bench 1, instruction feux rouges device 2, completely reflecting mirror 3, acousto-optic Q-switching 4, laser pump cavity 5th, partially reflecting mirror 6, beam expanding lens 7, YAG light modulations optical axis position detection means 8, scanning system 9, workbench 10, Control cabinet 11, alarm panel 12, control panel 13, touch control computer 14, laser 71, incident light YAG light modulation optical axises Position detecting device 72, emergent light YAG light modulation optical axis position detection means.
【Embodiment】
Fig. 1 shows a kind of laser machine with light path detecting device that the present invention is provided, and the laser machine is main by light Have seat 0, indicate feux rouges device 1, completely reflecting mirror 2, acousto-optic Q-switching 3, laser pump cavity 4, partially reflecting mirror 5, beam expanding lens 6, YAG light modulations Optical axis position detection means 7, scanning system 8, workbench 9 and control cabinet 10 are combined, and the optical bench 0 is placed in the control The upper end of case 10, the instruction feux rouges device 1, the completely reflecting mirror 2, the acousto-optic Q-switching 3, the laser pump cavity 4, the part Speculum 5, the beam expanding lens 6, it is successively set on the optical bench 0 in this order, the YAG dims optical axis position detection means 7th, the scanning system 8 is successively set on the extended line of optical bench 0 and fixed with the side wall of optical bench 0 and connected in this order Connect, the workbench 9 is connected with the side wall of control cabinet 10.The detection means uses the side that Light Electronic Control System is separated Formula, the data collected from probe will be transmitted to sensor driver, intuitively be shown by touch control computer, device profit With two fibre optical sensors, sensor detection section is divided into four quadrants, it is independent to show facula deviation position, galvanometer entrance port Using spot detection device, incident light position can be detected, be easy to correction, risk and safety that reduction back end device is damaged Risk.
Fig. 2-Fig. 4 shows a kind of YAG light modulation optical axises position for laser machine with light path detecting device that the present invention is provided The schematic diagram and fundamental diagram of detection means are put, 7 points of the YAG light modulation optical axis positions detection means is that incident light YAG is dimmed Optical axis position detection means 71 and emergent light YAG light modulation optical axis positions detection means 72, the YAG light modulation optical axis position detections at two ends Device is equipped with light sensor, passes through when incident light and emergent light all vertical detection devices and completely its light sensor center Kong Shi, sensor is not irradiated by laser 14, sensor alarm free signal output, illustrates that debugging light is coaxial, debugging effect is conformed to Ask;When incident light is not vertical with incident end detecting device or part is by light sensor centre bore, incident end sensor quilt Laser 14 irradiates, sensor output alarm signal, illustrates that debugging incident light deviates optical axis, it is necessary to readjust;When emergent light not When or part vertical with outgoing end detecting device is by light sensor centre bore, outgoing end sensor is irradiated by laser 14, passes Sensor output alarm signal, illustrates that debugging emergent light deviates optical axis, it is necessary to readjust.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.

Claims (6)

1. a kind of laser machine with light path detecting device, it is characterised in that the laser machine is main by optical bench (0), instruction Feux rouges device (1), completely reflecting mirror (2), acousto-optic Q-switching (3), laser pump cavity (4), partially reflecting mirror (5), beam expanding lens (6), YAG are adjusted Light optical axis position detection means (7), scanning system (8), workbench (9) and control cabinet (10) are combined, the optical bench (0) Be placed in the control cabinet (10) upper end, the instruction feux rouges device (1), the completely reflecting mirror (2), the acousto-optic Q-switching (3), The laser pump cavity (4), the partially reflecting mirror (5), the beam expanding lens (6) are successively set on the optical bench (0), described YAG light modulation optical axis position detection means (7), the scanning system (8) be placed sequentially on optical bench (0) extended line and with it is described Optical bench side wall is fixedly connected, and the workbench (9) is connected with the control cabinet (10) side wall, the YAG light modulations optical axis position Put detection means (7) and be divided into incident light YAG light modulation optical axis position detection means (71) and emergent light YAG light modulation optical axis position detections Device (72), the incident light YAG light modulation optical axis position detection means (71) is provided with light sensor, and the emergent light YAG is adjusted Light optical axis position detection means (72) is provided with light sensor.
2. a kind of laser machine with light path detecting device according to claim 1, it is characterised in that indicate feux rouges device (1), completely reflecting mirror (2), acousto-optic Q-switching (3), laser pump cavity (4), partially reflecting mirror (5), beam expanding lens (6) are set successively in this order Put on optical bench (0), the YAG light modulation optical axis position detection means (7) is connected to after the beam expanding lens (6) and extended Beyond the laser machine, the scanning system (8) is connected to after the YAG light modulation optical axis position detection means (7) and prolonged Stretch out beyond the laser machine, the instruction feux rouges device (1), completely reflecting mirror (2), acousto-optic Q-switching (3), laser pump cavity (4), portion Divide speculum (5), beam expanding lens (6), YAG light modulation optical axis position detection means (7), central coaxial is simultaneously vertical with optical bench (0).
3. a kind of laser machine with light path detecting device according to claim 1, it is characterised in that the scanning system (8) it is located at beyond the wall of the control cabinet (10) side and directly over the workbench (9).
4. a kind of laser machine with light path detecting device according to claim 3, it is characterised in that the control cabinet (10) Provided with alarm panel (11), control panel (12) and touch control computer (13).
5. according to a kind of any one of claim 1-4 installation methods of the laser machine with light path detecting device, its feature It is that the installation method comprises the following steps:
A. it will indicate that feux rouges device (1) is arranged on optical bench (0) first, position is vertical with the optical bench, the light sent It is parallel with optical bench;
B. and then on the basis of indicating the light that feux rouges device (1) is sent, install successively laser pump cavity (4), partially reflecting mirror (5), Completely reflecting mirror (2), acousto-optic Q-switching (3) and beam expanding lens (6).
6. a kind of installation method of laser machine with light path detecting device according to claim 5, it is characterised in that:Institute State the laser pump cavity (4) installed successively on optical bench (0), partially reflecting mirror (5), completely reflecting mirror (2), acousto-optic Q-switching (3) and expand Mirror (6) position is vertical with the optical bench, central coaxial and point-blank.
CN201410329749.0A 2014-07-11 2014-07-11 A kind of laser machine and its installation method with light path detecting device Expired - Fee Related CN104218434B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109217079B (en) * 2018-11-04 2020-09-29 山东镭之源激光科技股份有限公司 Laser adjusting structure
CN111458864B (en) * 2020-04-27 2023-09-29 中国科学院西安光学精密机械研究所 Light collecting lens with calibratable optical axis and optical axis calibration method
CN112453689B (en) * 2020-10-21 2022-07-26 熊梅 Optical center position adjusting device and optical center position adjusting method
CN116576837B (en) * 2023-07-14 2023-09-19 山西一建集团有限公司 High formwork structure monitoring devices for building engineering

Citations (3)

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Publication number Priority date Publication date Assignee Title
US6567453B1 (en) * 1999-12-03 2003-05-20 Mitsubishi Denki Kabushiki Kaisha Solid-state laser oscillator
CN102214891A (en) * 2010-04-07 2011-10-12 深圳市大族激光科技股份有限公司 Method for adjusting lasers
CN204118457U (en) * 2014-07-11 2015-01-21 深圳技师学院 A kind of laser machine light path detecting device

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Publication number Priority date Publication date Assignee Title
JPS6372492A (en) * 1986-09-16 1988-04-02 Mitsubishi Electric Corp Laser beam machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567453B1 (en) * 1999-12-03 2003-05-20 Mitsubishi Denki Kabushiki Kaisha Solid-state laser oscillator
CN102214891A (en) * 2010-04-07 2011-10-12 深圳市大族激光科技股份有限公司 Method for adjusting lasers
CN204118457U (en) * 2014-07-11 2015-01-21 深圳技师学院 A kind of laser machine light path detecting device

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Granted publication date: 20170714