CN103328224B - A kind of pulse optical fiber marking system - Google Patents
A kind of pulse optical fiber marking system Download PDFInfo
- Publication number
- CN103328224B CN103328224B CN201280002931.4A CN201280002931A CN103328224B CN 103328224 B CN103328224 B CN 103328224B CN 201280002931 A CN201280002931 A CN 201280002931A CN 103328224 B CN103328224 B CN 103328224B
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- CN
- China
- Prior art keywords
- module
- optical fiber
- galvanometer
- pulse optical
- marking system
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
- B23K26/048—Automatically focusing the laser beam by controlling the distance between laser head and workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- 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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
- B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of pulse optical fiber marking system, this marking system comprises main control section (10), galvanometer module (23), field lens module (24), position sensing module (21) and driver module (22).The surface of position sensing module real-time detection mark workpiece is to the distance of sensing point; Main control section calculates galvanometer module and field lens module according to result of detection need the displacement information of movement, and generates drive singal according to displacement information; Main control section also produces galvanometer control signal and focusing control signal: driver module drives galvanometer module and field lens module to move according to drive singal, and galvanometer module controls laser beam according to galvanometer control signal and deflects; Field lens module according to focusing control signal by deflection after laser beam focus on the surface of mark workpiece.
Description
Technical field
The present invention relates to laser technology field, particularly relate to a kind of pulse optical fiber marking system.
Background technology
Nineteen sixty, American Maiman becomes ruby laser in California Hughes's Research Institute, and this is First laser instrument in the world.The birth of laser new technology makes this ancient subject of optics step out an epoch-making step, is also one of scientific and technological achievement the most great in human history.The short time less than 50 years, laser instrument has been widely used in the every field of human lives, comprises industrial processes, biomedicine, military affairs, scientific research, measurement etc.
Compare with traditional solid, gas laser, pulse optical fiber is a kind of more novel laser instrument, and its major advantage comprises:
1. glass optical fiber does not need as crystal to incident pump light strict phase matched, and this is because glass matrix Stark divides the cause that the inhomogeneous broadening that causes causes absorption band wider;
2. glass material has extremely low bulk area ratio, and rapid heat dissipation, loss are low, so conversion efficiency is higher, laser threshold is low;
3. due in the resonator of optical fiber laser without optical mirror slip, have exempt to regulate, the advantage of non-maintaining, high stability, this is that conventional laser is incomparable;
4. optical fiber is derived the mechanical system design making laser instrument can be competent at the application of any Space processing of various multidimensional easily and is become very simple;
5. competent severe working environment, has very high tolerance to dust, concussion, impact, humidity, temperature;
6. do not need thermoelectric cooling and water-cooled, only need simply air-cooled.
7. high electrical efficiency, comprehensive electrical efficiency, up to more than 20%, is significantly saved power consumption during work, is saved operating cost.
In industrial processes field, pulse optical fiber marking system system of processing, because the high feature of peak power, is applicable to the types of applications such as mark, cutting.Current pulse optical fiber marking system comprises: main control section and output.Wherein, main system is responsible for collecting and is processed the data from PC, controls output and the Laser Focusing with certain power density is being labeled on material, thus on material surface, leave permanent mark, complete mark.But such pulse optical fiber marking system can not realize automatic focus according to the position of mark workpiece.
Summary of the invention
The technical problem to be solved in the present invention is, can not realize self-focusing defect, provide a kind of pulse optical fiber marking system, can realize automatic focus according to the position of mark workpiece for the above-mentioned of prior art according to the position of mark workpiece.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of pulse optical fiber marking system, be connected to PC, it is characterized in that, comprise main control section and output, wherein, described output comprises: galvanometer module, field lens module, position sensing module and driver module, wherein
Position sensing module, for the surface of real-time detection mark workpiece to the distance of sensing point, and is back to main control section by result of detection;
Main control section, need the displacement information of movement for calculating galvanometer module and field lens module according to described result of detection, and generates drive singal according to institute's displacement information; Also for receiving and processing the mark figure that PC exports, and generate laser beam and produce galvanometer control signal and focusing control signal;
Driver module, for driving galvanometer module and field lens module to move accordingly according to described drive singal;
Galvanometer module, deflects for controlling described laser beam according to described galvanometer control signal;
Field lens module, for according to described focusing control signal by deflection after laser beam focus on the surface of mark workpiece, to realize mark.
In pulse optical fiber marking system of the present invention, described output also comprises the shell for fixing galvanometer module, field lens module, position sensing module and driver module, and described shell is also provided with handheld handle.
In pulse optical fiber marking system of the present invention, described pulse optical fiber marking system also comprises for mark absorption surface and for the supporting mechanism of fixing output, described supporting mechanism comprises gripper shoe and at least three adjustable for height feets.
In pulse optical fiber marking system of the present invention, described position sensing module is laser ranging module or ultrasonic distance measuring module.
In pulse optical fiber marking system of the present invention, described main control section comprises control module and pulse optical fiber, wherein, control module is used for calculating galvanometer module and field lens module according to described result of detection need the displacement information of movement, and generates drive singal according to institute's displacement information; Also for receive and process PC export mark figure, and generate laser control signal, galvanometer control signal and focusing control signal; Pulse optical fiber is used for giving off laser beam according to laser control signal.
In pulse optical fiber marking system of the present invention, described control module is connected by DB25 interface or scsi interface with described pulse optical fiber.
In pulse optical fiber marking system of the present invention, described control module is connected by DB25 interface or DB37 interface with described galvanometer module.
In pulse optical fiber marking system of the present invention, described control module is connected by USB interface with described PC.
In pulse optical fiber marking system of the present invention, described pulse optical fiber comprises the seed source unit, pre-amplifier unit and the power amplification unit that are controlled by described control module, the laser beam that described seed source unit produces after pre-amplifier unit tentatively amplifies, then exports after described power amplification unit amplifies.
In pulse optical fiber marking system of the present invention, described pulse optical fiber marking system also comprises the power unit for powering for main control section and output.
Implement technical scheme of the present invention, due to the position of position sensing module energy real-time detection mark workpiece, and main control section can be moved by driver module control galvanometer module and field lens module accordingly according to result of detection, therefore can realize automatic focus.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the building-block of logic of pulse optical fiber marking system embodiment one of the present invention;
Fig. 2 is the schematic diagram that in pulse optical fiber marking system of the present invention, light beam runs;
Fig. 3 is the building-block of logic of main control section embodiment two in Fig. 1;
Fig. 4 is the building-block of logic of pulse optical fiber embodiment three in Fig. 3.
Detailed description of the invention
Composition graphs 1, Fig. 2, in pulse optical fiber marking system embodiment one of the present invention, this marking system is connected with PC, and this marking system comprises main control section 10 and output 20, wherein, output 20 comprises: position sensing module 21, driver module 22, galvanometer module 23 and field lens module 24, wherein, position sensing module 21 for the surface of real-time detection mark workpiece to the distance of sensing point, and result of detection is back to main control section 10, such as, position sensing module can be laser ranging module or ultrasonic distance measuring module.Main control section 10 need the displacement information of movement for calculating galvanometer module 23 and field lens module 24 according to described result of detection, and produce drive singal according to displacement information, and, also for receiving and processing the mark figure that PC exports, and generate laser beam and produce galvanometer control signal and focusing control signal.Driver module 22 is for driving galvanometer module 23 and field lens module 24 to move accordingly according to drive singal.Galvanometer module 23 deflects for controlling described laser beam according to described galvanometer control signal.Field lens module 24 for according to described focusing control signal by deflection after laser beam focus on the surface of mark workpiece, to realize mark.
In addition, this marking system also comprises the power unit for powering for main control section and output.Wherein, power unit can adopt the power supply of outside 24VDC, 220VAC or other form.
Implement this technical scheme, due to the position of position sensing module energy real-time detection mark workpiece, and main control section can be moved by driver module control galvanometer module and field lens module accordingly according to result of detection, therefore can realize automatic focus.
In the particular embodiment, main control section 10 can adopt the pulse optical fiber of band mark controlling functions to realize, also can be as shown in Figure 3, the control module 11 that connected by DB25 interface or scsi interface and pulse optical fiber 12(is adopted not to be with mark controlling functions) realize, wherein, control module 11 need the displacement information of movement for calculating galvanometer module and field lens module according to detected result, and generates drive singal to be sent to driver module; Also for receive and process PC export mark figure, and generate laser control signal, galvanometer control signal and focusing control signal, and laser control signal is sent to pulse optical fiber 12, galvanometer control signal is sent to galvanometer module, focusing control signal is sent to field lens module.Pulse optical fiber 12 is for giving off laser beam according to laser control signal.In this embodiment, control module 11 is connected by DB25 interface or DB37 interface with galvanometer module 23, and control module 11 is connected by USB interface with PC.In addition, output is connected with main control section by armour cable flexible pipe, and from several meters to tens of rice not etc., armour cable flexible pipe includes power line, galvanometer control signal wire, result of detection holding wire, drive signal line and laser beam output optical cable to armour cable hose length.
Fig. 4 is the building-block of logic of pulse optical fiber embodiment three in Fig. 3, this pulse optical fiber 12 comprises the seed source unit 121, pre-amplifier unit 122 and the power amplification unit 123 that are connected successively, the laser beam that seed source unit 121 produces after pre-amplifier unit 122 tentatively amplifies, then exports after power amplification unit 123 amplifies.In addition, the average output power of this pulse optical fiber 12 is 5W, 10W, 15W, 20W, 25W, 30W, 35W, 40W, 45W, 50W etc.Pulse energy is not from 0.1 bright J to several mJ etc.The frequency range of pulse is from 100Hz to several million Hz.
In another embodiment, output also comprises the shell for fixing galvanometer module, field lens module, position sensing module and driver module, and described shell is also provided with handheld handle.In addition, this marking system also comprises for mark absorption surface and for the supporting mechanism of fixing output, described supporting mechanism comprises gripper shoe and at least three adjustable for height feets.Like this, even if mark workpiece is excessive or inconvenient movement, the output of marking system is placed on above mark workpiece by handheld handle by staff, to complete mark, and feet in use can carry out flexible adjustment, therefore the use of user greatly easily, also greatly expanding can the scope of mark workpiece.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present invention.
Claims (8)
1. a pulse optical fiber marking system, is connected to PC, it is characterized in that, comprises main control section and output, and described output comprises: galvanometer module, field lens module, position sensing module and driver module, wherein,
Position sensing module, for the surface of real-time detection mark workpiece to the distance of sensing point, and is back to main control section by result of detection;
Main control section, need the displacement information of movement for calculating galvanometer module and field lens module according to described result of detection, and generates drive singal according to institute's displacement information; Also for receiving and processing the mark figure that PC exports, and generate laser beam and produce galvanometer control signal and focusing control signal;
Driver module, for driving galvanometer module and field lens module to move accordingly according to described drive singal;
Galvanometer module, deflects for controlling described laser beam according to described galvanometer control signal;
Field lens module, for according to described focusing control signal by deflection after laser beam focus on the surface of mark workpiece, to realize mark;
Described output also comprises the shell for fixing galvanometer module, field lens module, position sensing module and driver module, and described shell is also provided with handheld handle;
Described pulse optical fiber marking system also comprises for mark absorption surface and for the supporting mechanism of fixing output, described supporting mechanism comprises gripper shoe and at least three adjustable for height feets.
2. pulse optical fiber marking system according to claim 1, is characterized in that, described position sensing module is laser ranging module or ultrasonic distance measuring module.
3. pulse optical fiber marking system according to claim 1, it is characterized in that, described main control section comprises control module and pulse optical fiber, wherein, control module is used for calculating galvanometer module and field lens module according to described result of detection need the displacement information of movement, and generates drive singal according to institute's displacement information; Also for receive and process PC export mark figure, and generate laser control signal, galvanometer control signal and focusing control signal; Pulse optical fiber is used for giving off laser beam according to laser control signal.
4. pulse optical fiber marking system according to claim 3, is characterized in that, described control module is connected by DB25 interface or scsi interface with described pulse optical fiber.
5. pulse optical fiber marking system according to claim 3, is characterized in that, described control module is connected by DB25 interface or DB37 interface with described galvanometer module.
6. pulse optical fiber marking system according to claim 3, is characterized in that, described control module is connected by USB interface with described PC.
7. pulse optical fiber marking system according to claim 3, it is characterized in that, described pulse optical fiber comprises the seed source unit, pre-amplifier unit and the power amplification unit that are controlled by described control module, the laser beam that described seed source unit produces after pre-amplifier unit tentatively amplifies, then exports after described power amplification unit amplifies.
8. the pulse optical fiber marking system according to any one of claim 1-7, is characterized in that, described pulse optical fiber marking system also comprises the power unit for powering for main control section and output.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/072840 WO2013139028A1 (en) | 2012-03-22 | 2012-03-22 | Pulse optical fibre laser marking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103328224A CN103328224A (en) | 2013-09-25 |
| CN103328224B true CN103328224B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280002931.4A Active CN103328224B (en) | 2012-03-22 | 2012-03-22 | A kind of pulse optical fiber marking system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103328224B (en) |
| WO (1) | WO2013139028A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080794A (en) * | 2016-11-22 | 2018-05-29 | 山东华光光电子股份有限公司 | The method and positioner that a kind of laser marking focus quickly positions |
| CN113894451A (en) * | 2021-11-25 | 2022-01-07 | 江苏华工激光科技有限公司 | Control card based on laser equipment state detection and centralized control |
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|---|---|---|---|---|
| US6362451B1 (en) * | 1996-07-14 | 2002-03-26 | Lumenis Ltd. | Device and method for laser marking |
| EP1226075B1 (en) * | 1999-10-15 | 2006-06-21 | Videojet Technologies Inc. | A laser marking device |
| CN201143798Y (en) * | 2008-01-16 | 2008-11-05 | 俞国麟 | Laser marker |
| CN102079176A (en) * | 2009-11-28 | 2011-06-01 | 深圳市大族激光科技股份有限公司 | Laser marking machine |
| CN201900803U (en) * | 2010-10-13 | 2011-07-20 | 东莞市盛雄激光设备有限公司 | Automatic focusing laser marking machine |
| CN102240846A (en) * | 2011-06-17 | 2011-11-16 | 山西飞虹激光科技有限公司 | Linearly polarized pulsed fiber laser processing device with all-fiber structure |
| CN202115116U (en) * | 2011-05-18 | 2012-01-18 | 苏州德龙激光有限公司 | Ultraviolet laser accurate marking device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3070636B2 (en) * | 1992-03-19 | 2000-07-31 | 澁谷工業株式会社 | Laser marking device |
| JP2003136260A (en) * | 2001-10-31 | 2003-05-14 | Sunx Ltd | Laser marking device |
| JP2005138169A (en) * | 2003-11-10 | 2005-06-02 | Gijutsu Transfer Service:Kk | Laser marking device, laser marking method, and marked body |
-
2012
- 2012-03-22 WO PCT/CN2012/072840 patent/WO2013139028A1/en active Application Filing
- 2012-03-22 CN CN201280002931.4A patent/CN103328224B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6362451B1 (en) * | 1996-07-14 | 2002-03-26 | Lumenis Ltd. | Device and method for laser marking |
| EP1226075B1 (en) * | 1999-10-15 | 2006-06-21 | Videojet Technologies Inc. | A laser marking device |
| CN201143798Y (en) * | 2008-01-16 | 2008-11-05 | 俞国麟 | Laser marker |
| CN102079176A (en) * | 2009-11-28 | 2011-06-01 | 深圳市大族激光科技股份有限公司 | Laser marking machine |
| CN201900803U (en) * | 2010-10-13 | 2011-07-20 | 东莞市盛雄激光设备有限公司 | Automatic focusing laser marking machine |
| CN202115116U (en) * | 2011-05-18 | 2012-01-18 | 苏州德龙激光有限公司 | Ultraviolet laser accurate marking device |
| CN102240846A (en) * | 2011-06-17 | 2011-11-16 | 山西飞虹激光科技有限公司 | Linearly polarized pulsed fiber laser processing device with all-fiber structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103328224A (en) | 2013-09-25 |
| WO2013139028A1 (en) | 2013-09-26 |
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Address after: 518000 Guangdong Province, Shenzhen city Longhua District Guanlan Street No. 5 Wu Lu Sheng Keng community view science and Technology Building No. 1 factory south and West Industrial Park Building 3 floor Patentee after: SHENZHEN JPT OPTO-ELECTRONICS CO., LTD. Patentee after: Huizhou JPT Electronics Co., Ltd. Address before: Five, B, C District, Zhenhua Industrial Park, Heping East Road, Longhua Town, Shenzhen, Baoan District, Guangdong 518109, China Patentee before: Shenzhen Jpt Electronics Co., Ltd. Patentee before: Huizhou JPT Electronics Co., Ltd. |