CN201300588Y - High-speed galvanometric scanner type online laser coding machine for metal parts - Google Patents
High-speed galvanometric scanner type online laser coding machine for metal parts Download PDFInfo
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- CN201300588Y CN201300588Y CNU2008202043124U CN200820204312U CN201300588Y CN 201300588 Y CN201300588 Y CN 201300588Y CN U2008202043124 U CNU2008202043124 U CN U2008202043124U CN 200820204312 U CN200820204312 U CN 200820204312U CN 201300588 Y CN201300588 Y CN 201300588Y
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Abstract
The utility model discloses a high-speed galvanometric scanner type online laser coding machine for metal parts, which comprises a remote controller, a master control unit and coding machine, wherein the coding machine is an Nd: YAG laser or an optical fiber laser coding machine, the remote controller is connected with master control unit signals, and the master control unit is connected with coding machine signals. By actions of laser and substance, the high-speed galvanometric scanner type online laser coding machine for metal parts forms clear codes or marks on object surfaces and can manufacture, layout, output and change encoding contents conveniently and fast, thereby further meeting requirements on online coding. Compared with the other coding technology, laser coding is clean without ink or pollution or material consumption cost, has low maintenance cost and short system downtime, and moreover, the laser coding technique is clear, instantaneous and permanent in marks.
Description
Technical field
The utility model relates to Product Package Character and marker technique, and laser process equipment and process technology are specifically related to a kind of high speed vibrating mirror on-line laser marker for metal parts.
Background technology
Thereby it is to utilize the laser beam of high-energy-density to make the variation of target surface generation physics or chemistry obtain the mark mode of visible pattern to interacting goals that laser is beaten sign indicating number.High-octane laser beam focuses on the material surface, and material is vaporized rapidly, forms pit.Control cut-offfing of laser simultaneously along with laser beam moves regularly at material surface, laser beam is also just in the material surface corrode or be etched into an appointed pattern.After metal material is gone out the above lines of several micron (width can several microns to tens microns) by corrode, the color of lines and reflecting rate and different originally, cause the visual contrast effect of human eye, make the people responsively arrive these lines, as bar code, numeral, pattern, trade mark etc.The coding that ablation and etching technique are produced all is high-quality, permanent, instantaneous.
Beat in the coding mode various, mirror-vibrating is beaten sign indicating number because of its applied range, can carry out vector and beat sign indicating number, also can the mark dot character, and label range is adjustable, and signature velocity is also very fast, thereby has become the main flow of beating coding mode at present.
Existing laser marker generally adopts computer to control.Adopt the deflection of step motor control galvanometer, voltage signal determines its deflection angle, and-5V deflects into the negative direction maximum, and+5V deflects into the positive direction maximum.Deflection angle is directly proportional with voltage between the-5V-+5V, needs to adopt analog signal that it is controlled.What computer was exported is data signal, so adopt the digital-to-analogue card that data signal is converted to analog signal.The voltage output range of digital-to-analogue card at present commonly used has-5V-+5V, so general digital-to-analogue card all can meet the demands.But the digital-to-analogue card has certain output accuracy, and 8,10,12 and 16 etc. are arranged, and its output signal accuracy directly has influence on the control accuracy of galvanometer.
The utility model content
The utility model is in order to overcome the deficiency that above prior art exists, and a kind of cost, precision height, high speed vibrating mirror on-line laser marker for metal parts that volume is little saved is provided.
The purpose of this utility model realizes by following technical scheme: this high speed vibrating mirror on-line laser marker for metal parts, it is characterized in that: comprise remote controllers, main control unit and coder, described coder is Nd:YAG laser instrument or optical fiber laser coder, described remote controllers are connected with the main control unit signal, and main control unit is connected with the coder signal.
Described remote controllers comprise ARM microprocessor, LCD display, matrix keyboard, DSPC mouth, RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the ARM microprocessor is connected with LCD display, matrix keyboard, DSPC mouth, RS232 driver module respectively, the ARM microprocessor through bus is connected with flash memory FlashROM, memory SRAM, memory NVSRAM respectively, and bus is connected with the external bus expansion.
Described main control unit comprises the DSP microprocessor, the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the DSP microprocessor respectively with the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module connects, the DSP microprocessor through bus respectively with flash memory FlashROM, memory SRAM, memory NVSRAM connects, and bus is connected with the external bus expansion.
Described DSPC mouth is connected by the HPIB interface with the HPI mouth.
Described coder comprises Nd:YAG laser instrument or optical fiber laser, beam expanding lens, speculum, directions X galvanometer driver element, directions X scanning galvanometer, Y scanning direction galvanometer, Y direction galvanometer driver element and flat field condenser; Laser instrument, beam expanding lens, speculum, directions X scanning galvanometer, Y scanning direction galvanometer and flat field condenser are arranged in order according to the transfer route of light path, directions X galvanometer driver element is connected with directions X scanning galvanometer signal, and Y direction galvanometer driver element is connected with Y scanning direction galvanometer signal.
Described Nd:YAG laser instrument or optical fiber laser, wavelength 1.06 μ m～1.090 μ m, laser instrument connects power supply; Power supply adopts the high-power device IGBT that opens the light; Laser power 50-60W, acousto-optic Q modulation, form the output of 1-20kHz laser pulse, the laser pump cavity of laser instrument adopts the full chamber of ceramic diffuse reflector water-cooling pattern, circulating water temperature was 20-30 ℃ ± 1 ℃ in the constant temperature cooling system was provided with, be limited to 35 ℃ on the high temperature alarm, flow is 30L/min, and refrigeration compressor is 1.5.
Described speculum is two.
Described main control unit is connected with laser instrument, directions X galvanometer driver element, Y direction galvanometer driver element signal.
The operation principle of this high speed vibrating mirror on-line laser marker for metal parts is as follows:
Be responsible for the system's control and the co-ordination of laser marker by main control unit.The DSP microprocessor by X D/A converter module, Y D/A converter module digital controlled signal is converted to-5V～+ aanalogvoltage of 5V sends into the scanning galvanometer work that directions X galvanometer driver element, Y direction galvanometer driver element amplify rear drive directions X scanning galvanometer and two mutually perpendicular directions of Y scanning direction galvanometer.The PWM driver module carries out power adjusting with the control laser energy to laser instrument.It is the embedded system of core that remote controllers adopt with the ARM microprocessor, constitute the man-machine interface of laser marker, be responsible for the setting of laser marker systematic parameter, and the input of beating digital content and form etc., and the Long-distance Control of the realization laser marker of communicating by letter with main control unit.
The core of main control unit is the DSP microprocessor, and kernel is one 32 a digital signal processor, and the peak value instruction execution speed reaches 150MIPS.Random access memory SRAM, NVSRAM and the 256KW flash memory FlashROM in its interior integrated 32KW zero-waiting cycle of main control unit, its peripheral control interface comprise PWM driver module, control I/O module, external bus expansion, HPI mouth, RS232 driver module.Sensor signals such as control I/O module link position sensor, velocity sensor, safety door switch, running with information such as the position of real-time monitoring product on production line, movement velocity and control production line, and feed back to the DSP microprocessor, after dsp processor is done the algorithm processing at these data messages, X, the deflection of Y scanning direction galvanometer to coder are regulated, and X, Y scanning direction galvanometer will carry out vibration at high speed to laser beam foucing.Main control unit plays a part and remote controllers, scanning galvanometer and laser instrument between hardware interface, main control unit makes the synchronized movement of laser controlling and scanning system, and finish the correction of image, guarantee that its scanning character does not have pincushion, barrel distortion, and the constant airspeed of scanning is constant.
It can be static relatively beating the sign indicating number object, the promptly static sign indicating number of beating; Also can be the on-line continuous motion, promptly dynamically beat sign indicating number.When beating in the enterprising action attitude of production line yard, consider of the influence of the translational speed of product to the generation of coding shape, main control unit just needs to calculate workpiece to be machined on the streamline because the offset deviation that motion is produced carries out real-time correction to scanning galvanometer and compensates this displacement and speed according to the transducing signal of the production line that feeds back to like this.The PWM driver module is regulated laser power, energy, and the memory space of flash memory Flash ROM, memory SRAM and memory NVSRAM expansion DSP microprocessor is used for preserving the control parameter and beats file contents such as sign indicating number pattern, data.Can realize communicating by letter of ARM microprocessor in DSP microprocessor and the remote controllers by the HPI mouth, after remote controllers are set the coder parameter back or beaten yard file editor, can realize the transmission of information by both communications.
It is the embedded system of core with the ARM microprocessor that remote controllers are one, has constituted the man-machine interface of laser marker.The ARM microcontroller is finished the input and output of user's operating interactive by expansion LCD display and matrix keyboard.The ARM microprocessor is connected through HPIB (Host Port Interface Bridge) interface with the communication interface of DSP microprocessor, the ARM microprocessor links to each other with 16 parallel-by-bit interface HPI mouths of DSP microprocessor, the direct internal storage space of high speed access DSP microprocessor, comprise flash memory Flash ROM, memory SRAM and memory NVSRAM, finish the two-way communication of ARM microprocessor and DSP microprocessor double-core, be that the ARM microprocessor is beaten information such as sign indicating number file and the modification of coder systematic parameter to the main control unit transmission, main control unit feeds back to the ARM microcontroller to the online operational situation of coder and shows to remind the user at LCD display, as the current filename of beating sign indicating number, the current product quantity of beating sign indicating number of having finished, current production line translational speed etc., the particularly important is when breaking down, main control unit will be notified the user so that in time produce alarm signal to remote controllers communication.The RS232 driver module is used for linking to each other with desktop computer or portable PC and carries out data upload or download.Flash memory FlashROM, memory SRAM and memory NVSRAM are used to expand the memory space of ARM microprocessor, preserve the control parameter and play files such as code data, pattern.EBI is reserved in external bus expansion, for expanding USB interface and network interface are prepared.
The utility model has following advantage with respect to prior art: in recent years because the DSP technical development is rapid, the control function of the galvanometer deflection of coder can be finished by DSP fully, so the utility model has adopted 32 DSP microprocessor as the main control unit core, the DSP microprocessor is carried out writing of software program, after repeatedly debugging successfully, program is write with a brush dipped in Chinese ink in the memory.By DSP microprocessor powerful data operation and processing capacity, complicated algorithm is put on the control system finishes, be convenient to the optimization and the raising of control algolithm, the function and the performance of system also are improved, and have solved the high speed information problem in the laser marker motion control process.Because of the DSP microprocessor carries digital-to-analogue conversion function (just X D/A converter module, Y D/A converter module), so need not to adopt the digital-to-analogue card, the D/A D/A conversion unit that carries is the precision height not only, conversion speed is fast, and, be not vulnerable to the interference of other signals because of it is integrated in main control unit inside.After the processing of DSP microprocessor algorithm, X and Y both direction scanning galvanometer deflection angle have been realized accurate control.The DSP microprocessor can also be controlled external equipment simultaneously, as the limit signal of streamline upper sensor, rate signal, laser signal and water-temperature water-level signal etc., DSP responds different external signals by software programming, thereby finishes the control corresponding operation.And compare with traditional laser marker, the utility model has replaced the PC control mode with DSP master control system embedded software control mode, saved cost with PC control, reduced the volume of whole coder, it is flexibly light and handy that machine becomes, dismounting is moved easily, adapts to the extensive stock streamline.
This high speed vibrating mirror on-line laser marker for metal parts is by the effect of laser and material, form coding or mark clearly at body surface, and can be quickly and easily to content encoded make, layout, output and change, further satisfy the online needs of beating sign indicating number.Compare with other the sign indicating number technology of beating, laser is played the no printing ink of sign indicating number, and is totally pollution-free, the no material consumption cost, maintenance cost is low, system lacks the time of delaying work, and laser to beat the mark of yard technology clear, instantaneous and permanent.
Laser instrument adopts semiconductor pumped Nd:YAG laser instrument, is equipped with water cooling plant, the electro-optical efficiency height, and good beam quality, maintenance is few, and environmental pollution is little.Employing DSP microprocessor is that the main control unit of core is controlled laser element, and the DSP microprocessor is also regulated the deflection of X, Y scanning direction galvanometer to realize online accuracy of beating code position by accurate algorithm process simultaneously.The rotation that moves through X, Y scanning direction galvanometer of luminous point realizes that mark speed can be brought up to 3084mm/s, and per minute can be finished the sign indicating number of beating of 30～40 dates of manufacture, and the mark precision reaches 0.1mm, and resolution ratio reaches 0.1mm.Tag content can be diversified, and the making of tag content can be intelligent.Can finish editor, modification and the preservation of coded file content based on the embedded remote controller of ARM microprocessor, and the work such as setting of beating when sign indicating number laser parameter.Can realize fully the man-machine interaction of laser marker greatly facilitating the operation that laser is beaten yard staff by the two-way communication of ARM microprocessor and main control unit.System adopts the control model of ARM microprocessor+DSP microprocessor, need not use PC, when saving laser marker control system cost, system is with good expansibility, the characteristics of flexibility, stability, real-time and low-power consumption, and satisfies little, in light weight, the requirements such as performance is high, compact conformation of size.The utility model is applicable on the Production and Packaging line of many industry products, and can greatly improve the online efficient of beating sign indicating number of commodity on the production line, has application development prospect widely.
Description of drawings
Fig. 1 is the structure general diagram of high speed vibrating mirror on-line laser marker for metal parts of the present utility model.
Fig. 2 is the structured flowchart of the main control unit of Fig. 1.
Fig. 3 is the structured flowchart of the remote controllers of Fig. 1.
Fig. 4 be Fig. 2 main control unit and Fig. 3 remote controllers be connected block diagram.
Fig. 5 is the structural representation of the high speed vibrating mirror on-line laser marker for metal parts of Fig. 1.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
High speed vibrating mirror on-line laser marker for metal parts as shown in Figure 1, comprise remote controllers, main control unit and coder, described coder is Nd:YAG laser instrument or optical fiber laser coder, and described remote controllers are connected with the main control unit signal, and main control unit is connected with the coder signal.
As shown in Figure 3, described remote controllers comprise ARM microprocessor, LCD display, matrix keyboard, DSPC mouth, RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the ARM microprocessor is connected with LCD display, matrix keyboard, DSPC mouth, RS232 driver module respectively, the ARM microprocessor through bus is connected with flash memory FlashROM, memory SRAM, memory NVSRAM respectively, and bus is connected with the external bus expansion.
As shown in Figure 2, described main control unit comprises the DSP microprocessor, the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the DSP microprocessor respectively with the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module connects, the DSP microprocessor through bus respectively with flash memory FlashROM, memory SRAM, memory NVSRAM connects, and bus is connected with the external bus expansion.
As shown in Figure 4, described DSPC mouth is connected by the HPIB interface with the HPI mouth.
As shown in Figure 5, described coder comprises Nd:YAG laser instrument 1 or optical fiber laser 1, beam expanding lens 2, two speculums 3, directions X galvanometer driver element 4, directions X scanning galvanometer 5, Y scanning direction galvanometer 6, Y direction galvanometer driver element 7 and flat field condensers 8, and 9 is workpiece among the figure; Laser instrument 1, beam expanding lens 2, speculum 3, directions X scanning galvanometer 5, Y scanning direction galvanometer 6 and flat field condenser 8 are arranged in order according to the transfer route of light path, directions X galvanometer driver element 4 is connected with directions X scanning galvanometer 5 signals, and Y direction galvanometer driver element 7 is connected with Y scanning direction galvanometer 6 signals.
Laser instrument adopts semiconductor pumped Nd:YAG continuous wave laser 1 or optical fiber laser 1, and laser instrument connects power supply, and power supply adopts the high-power device IGBT that opens the light.Laser power 50-60W (continuously), optical maser wavelength 1064nm; Acousto-optic Q modulation forms the output of 1-20kHz laser pulse; Circulating water temperature was 20-30 ℃ ± 1 ℃ in the constant temperature cooling system was provided with, and the laser pump cavity of laser instrument adopts the full chamber of ceramic diffuse reflector water-cooling pattern, is limited to 35 ℃ on the high temperature alarm, and flow is 30L/min, and refrigeration compressor is 1.5; Each one of scanning galvanometer X-axis and Y-axis, supporting with it directions X galvanometer driver element 4, Y direction galvanometer driver element 7.
Described main control unit is connected with laser instrument 1, directions X galvanometer driver element 4, Y direction galvanometer driver element 7 signals.
The operation principle of this high speed vibrating mirror on-line laser marker for metal parts is as follows:
Be responsible for the system's control and the co-ordination of laser marker by main control unit.The DSP microprocessor by X D/A converter module, Y D/A converter module digital controlled signal is converted to-5V～+ aanalogvoltage of 5V sends into the scanning galvanometer work that directions X galvanometer driver element 4, Y direction galvanometer driver element 7 amplify rear drive directions X scanning galvanometers 5 and 6 two mutually perpendicular directions of Y scanning direction galvanometer.The PWM driver module carries out power adjusting with the control laser energy to laser instrument 1.It is the embedded system of core that remote controllers adopt with the ARM microprocessor, constitute the man-machine interface of laser marker, be responsible for the setting of laser marker systematic parameter, and the input of beating digital content and form etc., and the Long-distance Control of the realization laser marker of communicating by letter with main control unit.
The core of main control unit is the DSP microprocessor, and kernel is one 32 a digital signal processor, and the peak value instruction execution speed reaches 150MIPS.Random access memory SRAM, NVSRAM and the 256KW flash memory FlashROM in its interior integrated 32KW zero-waiting cycle of main control unit, its peripheral control interface comprise PWM driver module, control I/O module, external bus expansion, HPI mouth, RS232 driver module.Sensor signals such as control I/O module link position sensor, velocity sensor, safety door switch, running with information such as the position of real-time monitoring product on production line, movement velocity and control production line, and feed back to the DSP microprocessor, after dsp processor is done the algorithm processing at these data messages, directions X scanning galvanometer 5,6 deflections of Y scanning direction galvanometer to coder are regulated, and directions X scanning galvanometer 5, Y scanning direction galvanometer 6 will carry out vibration at high speed to laser beam foucing.Main control unit plays a part and remote controllers, scanning galvanometer and laser instrument between hardware interface, main control unit makes the synchronized movement of laser controlling and scanning system, and finish the correction of image, guarantee that its scanning character does not have pincushion, barrel distortion, and the constant airspeed of scanning is constant.
It can be static relatively beating the sign indicating number object, the promptly static sign indicating number of beating; Also can be the on-line continuous motion, promptly dynamically beat sign indicating number.When beating in the enterprising action attitude of production line yard, consider of the influence of the translational speed of product to the generation of coding shape, main control unit just needs to calculate workpiece to be machined 9 on the streamline because the offset deviation that motion is produced carries out real-time correction to scanning galvanometer and compensates this displacement and speed according to the transducing signal of the production line that feeds back to like this.The PWM driver module is regulated laser power, energy, and the memory space of flash memory Flash ROM, memory SRAM and memory NVSRAM expansion DSP microprocessor is used for preserving the control parameter and beats file contents such as sign indicating number pattern, data.Can realize communicating by letter of ARM microprocessor in DSP microprocessor and the remote controllers by the HPI mouth, after remote controllers are set the coder parameter back or beaten yard file editor, can realize the transmission of information by both communications.
It is the embedded system of core with the ARM microprocessor that remote controllers are one, has constituted the man-machine interface of laser marker.The ARM microcontroller is finished the input and output of user's operating interactive by expansion LCD display and matrix keyboard.The ARM microprocessor is connected through HPIB (Host Port Interface Bridge) interface with the communication interface of DSP microprocessor, the ARM microprocessor links to each other with 16 parallel-by-bit interface HPI mouths of DSP microprocessor, the direct internal storage space of high speed access DSP microprocessor, comprise flash memory Flash ROM, memory SRAM and memory NVSRAM, finish the two-way communication of ARM microprocessor and DSP microprocessor double-core, be that the ARM microprocessor is beaten information such as sign indicating number file and the modification of coder systematic parameter to the main control unit transmission, main control unit feeds back to the ARM microcontroller to the online operational situation of coder and shows to remind the user at LCD display, as the current filename of beating sign indicating number, the current product quantity of beating sign indicating number of having finished, current production line translational speed etc., the particularly important is when breaking down, main control unit will be notified the user so that in time produce alarm signal to remote controllers communication.The RS232 driver module is used for linking to each other with desktop computer or portable PC and carries out data upload or download.Flash memory FlashROM, memory SRAM and memory NVSRAM are used to expand the memory space of ARM microprocessor, preserve the control parameter and play files such as code data, pattern.EBI is reserved in external bus expansion, for expanding USB interface and network interface are prepared.
The laser of laser instrument 1 output converges on workpiece 9 surfaces of production line through directions X scanning galvanometer 5, Y scanning direction galvanometer 6, flat field focus lamp 8 successively, can control laser beam by the rotation of control directions X scanning galvanometer 5, Y scanning direction galvanometer 6 and go up any moving in the X-direction (being parallel to the production line direction) and the Y direction (perpendicular to the production line direction) of material surface.And no matter how many angles of directions X scanning galvanometer 5, Y scanning direction galvanometer 6 is, flat field focus lamp 8 can focus on same plane to collimated laser beam, thereby gets corresponding mark.By using galvanometer scanning system, avoided the mechanical wear of instrument, can on workpiece 9, accurately locate fast, thereby possess very high dynamic range, processing speed and flexibility for laser beam, realize the high speed mark.
The above-mentioned specific embodiment is a preferred embodiment of the present utility model; can not limit claim of the present utility model; other any change that does not deviate from the technical solution of the utility model and made or other equivalent substitute mode are included within the protection domain of the present utility model.
Claims (8)
1, high speed vibrating mirror on-line laser marker for metal parts, it is characterized in that: comprise remote controllers, main control unit and coder, described coder is Nd:YAG laser instrument or optical fiber laser coder, described remote controllers are connected with the main control unit signal, and main control unit is connected with the coder signal.
2, high speed vibrating mirror on-line laser marker for metal parts according to claim 1, it is characterized in that: described remote controllers comprise the ARM microprocessor, LCD display, matrix keyboard, the DSPC mouth, the RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the ARM microprocessor respectively with LCD display, matrix keyboard, the DSPC mouth, the RS232 driver module connects, the ARM microprocessor through bus respectively with flash memory FlashROM, memory SRAM, memory NVSRAM connects, and bus is connected with the external bus expansion.
3, high speed vibrating mirror on-line laser marker for metal parts according to claim 2, it is characterized in that: described main control unit comprises the DSP microprocessor, the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module, flash memory FlashROM, memory SRAM, memory NVSRAM and external bus expansion, the DSP microprocessor respectively with the X D/A converter module, the Y D/A converter module, the PWM driver module, control I/O module, the HPI mouth, the RS232 driver module connects, the DSP microprocessor through bus respectively with flash memory FlashROM, memory SRAM, memory NVSRAM connects, and bus is connected with the external bus expansion.
4, high speed vibrating mirror on-line laser marker for metal parts according to claim 3 is characterized in that: described DSPC mouth is connected by the HPIB interface with the HPI mouth.
5, high speed vibrating mirror on-line laser marker for metal parts according to claim 3 is characterized in that: described coder comprises Nd:YAG laser instrument or optical fiber laser, beam expanding lens, speculum, directions X galvanometer driver element, directions X scanning galvanometer, Y scanning direction galvanometer, Y direction galvanometer driver element and flat field condenser; Laser instrument, beam expanding lens, speculum, directions X scanning galvanometer, Y scanning direction galvanometer and flat field condenser are arranged in order according to the transfer route of light path, directions X galvanometer driver element is connected with directions X scanning galvanometer signal, and Y direction galvanometer driver element is connected with Y scanning direction galvanometer signal.
6, high speed vibrating mirror on-line laser marker for metal parts according to claim 5 is characterized in that: described Nd:YAG laser instrument or optical fiber laser, and wavelength 1.06 μ m～1.090 μ m, laser instrument connects power supply; Power supply adopts the high-power device IGBT that opens the light; Laser power 50-60W, acousto-optic Q modulation, form the output of 1-20kHz laser pulse, the laser pump cavity of laser instrument adopts the full chamber of ceramic diffuse reflector water-cooling pattern, circulating water temperature was 20-30 ℃ ± 1 ℃ in the constant temperature cooling system was provided with, be limited to 35 ℃ on the high temperature alarm, flow is 30L/min, and refrigeration compressor is 1.5.
7, high speed vibrating mirror on-line laser marker for metal parts according to claim 5 is characterized in that: described speculum is two.
8, high speed vibrating mirror on-line laser marker for metal parts according to claim 5 is characterized in that: described main control unit is connected with laser instrument, directions X galvanometer driver element, Y direction galvanometer driver element signal.
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| CN102180025A (en) * | 2011-01-21 | 2011-09-14 | 深圳恒光机电有限公司 | Method for changing view field of laser marking machine |
| CN102198758A (en) * | 2010-03-24 | 2011-09-28 | 苏州楚天光电设备有限公司 | Embedded network-controlled laser marking system |
| CN102416724A (en) * | 2011-08-05 | 2012-04-18 | 佛山通宝精密合金股份有限公司 | Thermal bimetal material with security tag on surface and production method thereof |
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| CN102198758A (en) * | 2010-03-24 | 2011-09-28 | 苏州楚天光电设备有限公司 | Embedded network-controlled laser marking system |
| CN102180025A (en) * | 2011-01-21 | 2011-09-14 | 深圳恒光机电有限公司 | Method for changing view field of laser marking machine |
| CN102416724A (en) * | 2011-08-05 | 2012-04-18 | 佛山通宝精密合金股份有限公司 | Thermal bimetal material with security tag on surface and production method thereof |
| CN103481671A (en) * | 2013-08-28 | 2014-01-01 | 成都九洲电子信息系统股份有限公司 | Device and method for marking surface of bearing with two-dimension codes |
| CN103481671B (en) * | 2013-08-28 | 2015-10-28 | 成都九洲电子信息系统股份有限公司 | The Apparatus and method for of bearing surface marking Quick Response Code |
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| CN104827778A (en) * | 2015-04-03 | 2015-08-12 | 信利半导体有限公司 | Backlight liquid crystal module marking method and device |
| CN104827778B (en) * | 2015-04-03 | 2016-10-19 | 信利半导体有限公司 | Backlight liquid crystal module marking method and device |
| CN106181062A (en) * | 2016-07-29 | 2016-12-07 | 讯创(天津)电子有限公司 | A kind of intelligent manufacturing system of all-fiber three-dimensional laser engraving antenna |
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