CN203751530U - Laser cutting assembly capable of automatically following focus - Google Patents
Laser cutting assembly capable of automatically following focus Download PDFInfo
- Publication number
- CN203751530U CN203751530U CN201320863496.6U CN201320863496U CN203751530U CN 203751530 U CN203751530 U CN 203751530U CN 201320863496 U CN201320863496 U CN 201320863496U CN 203751530 U CN203751530 U CN 203751530U
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- Prior art keywords
- laser cutting
- cutting head
- water
- axis
- automatically
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 71
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052802 copper Inorganic materials 0.000 claims abstract description 19
- 239000010949 copper Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000008054 signal transmission Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 7
- 235000015111 chews Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a laser cutting assembly capable of automatically following a focus. The laser cutting assembly comprises a laser cutting head which is used for cutting a metal plate, a Z-axis screw rod, a Z-axis servo motor, a Z-axis servo driver and an automatic focus following controller which is used for controlling the Z-axis servo driver, wherein the laser cutting head is driven by the Z-axis servo motor through the Z-axis screw rod; a copper nozzle is arranged at the end part of the laser cutting head; a capacitance structure is formed between the copper nozzle and the metal plate; the capacitance structure is connected to the automatic focus following controller by a sensor assembly, a pre-amplifier and a digital signal transmission line in sequence; an airflow path of the laser cutting head is shaped like a smooth cone. According to the laser cutting assembly capable of automatically following the focus, a capacitance automatic focus following mode is adopted, the servo motor control is used, signals are subjected to digital quantity collection and transmission, the following is stable, the condition that the following is not accurate as the cutting speed is quick cannot occur, and the replacement of a lens is very convenient and rapid.
Description
Technical field
The utility model relates to laser cutting head, more particularly, relates to a kind ofly can automatically follow burnt laser cutting assembly.
Background technology
Due to the fixing characteristic of laser cutting focus, in the time of laser cutting sheet material, it is constant that distance between laser cutting head and sheet material will keep, so adopt Z axis to carry out oscilaltion adjustment by Z axis leading screw on laser cutting head, and in the time of cutting different-thickness material, YAG laser cutting machine need to adopt the different focusing lens of focal length, general 80 millimeters, 100 millimeters and 120 millimeters of YAG laser cutting machine, the convenience of three kinds of glasses lens exchangings is very important, at present solution easily without comparison also.
At present, the most of machinery that adopts of laser cutting head that is applied to YAG laser cutting machine is controlled with burnt, with burnt poor effect, in the time of high-speed motion, tracking accuracy is very bad especially, and because nozzle distance sheet material is too near, splash is easily blocked cutting head, affects cutting effect; Some laser cutting head adopts condenser type automatically with burnt, but employing step motor control, signal adopts analog acquisition and transmission, and such mode can because of the open loop structure of stepper motor, precision be not high, and the signal of analog quantity can be unstable in the time of long-distance transmissions.
In laser cutting process, need to blow assist gas removes the gred with cooling, the air admission hole of Compressed Gas from laser cutting head outer wall enters, then penetrated by nozzle place aperture along Laser Transmission direction, gas flowing in laser cutting head will be level and smooth taper, finally gather nozzle place, but current a lot of designs all can not ensure that flow channel is level and smooth taper, rough inwall can cause air-flow to be subject to hindering rear along convolution in the other direction, the slag that the gas of convolution can produce cutting adsorbs into cutting head, causing focusing on protection eyeglass pollutes, affect cutting effect.
Between this, be necessary prior art to make further improvements.
Utility model content
The utility model proposes and a kind ofly can automatically follow burnt laser cutting assembly, having solved in prior art laser cutting head cannot accessible automatic focusing, focusing lens is not easy to change and focus on the problem that protection eyeglass is easily polluted.
To achieve these goals, the technical solution of the utility model is as follows:
A kind ofly can automatically follow burnt laser cutting assembly, comprise the laser cutting head for cutting metal sheet material, Z axis leading screw, Z axis servomotor, for control the Z axis servo-driver of described Z axis servomotor and for control described Z axis servo-driver automatically with burnt controller, described Z axis servomotor drives described laser cutting head by described Z axis leading screw, the end of described laser cutting head is provided with a copper nozzle, between described copper nozzle and described sheet metal, form a capacitance structure, described capacitance structure passes through sensor cluster successively, preamplifier and digital signal transmission line are connected to described automatically with burnt controller, in described laser cutting head, be provided with successively 120 millimeters of focal length focusing lens mounting bases along Laser Transmission direction, 100 millimeters of focal length focusing lens mounting bases and 80 millimeters of focal length focusing lens mounting bases, the flow channel of described laser cutting head is level and smooth taper.
As one preferred embodiment, the distance of setting between copper nozzle and sheet metal is standard value, follow burnt electric capacity to demarcate, sheet metal and the earth conducting, copper nozzle is during near sheet metal, between copper nozzle and sheet metal, form a capacitance structure, distance between copper nozzle and sheet metal is different, corresponding capacitance is also different, then the capacitance signal that preamplifier senses sensor cluster is processed and is amplified, convert data signal to, be transferred to automatically with burnt controller by digital signal transmission line again, automatically with burnt controller, signal is processed, contrast with the standard value of setting, draw electric capacity difference, again capacitance difference is calculated as to height distance poor, by poor height distance according to Z axis servo-driver, between Z axis servomotor and Z axis leading screw, often turn umber of pulse, deceleration of motion ratio and leading screw pitch are converted into umber of pulse and pulse direction, umber of pulse and pulse direction are transferred to Z axis servo-driver, Z axis servo-driver control Z axis servomotor carries out the rotation of respective pulses quantity according to pulse direction, Z axis leading screw drives laser cutting head to rise or decline along Z axis along with the rotation of Z axis servomotor, thereby remain between copper nozzle and sheet metal in fixing distance.
Further, described laser cutting head comprises a water-cooled assembly, described water-cooled assembly successively by water inlet water chew, water-cooling channel and water outlet water chews and forms, described water-cooling channel is perpendicular to the axis of described laser cutting head.
Further, between described water-cooled assembly and described sensor cluster, be provided with a fine setting machinery handwheel.
Further, described preamplifier is installed on described water-cooled assembly by preamplifier mount pad.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model provides a kind ofly can follow burnt laser cutting assembly automatically, it adopts condenser type automatically with burnt mode, use servomotor control, signal adopts digital data acquisition and transmission, realize closed-loop control, such mode precision is high, and antijamming capability is strong, follow stablely, can not cause following inaccurate because cutting speed is fast.
2, the utility model provides a kind ofly can follow burnt laser cutting assembly automatically, laser cutting head adopts multifocal apart from structure, and the focusing lens of 80 millimeters, 100 millimeters and 120 millimeters can be installed, change and safeguard all very convenient, in the time of the material of cutting different-thickness, can change very easily.
3, the utility model provides a kind ofly can follow burnt laser cutting assembly automatically; laser cutting head flow channel adopts complete smooth taper design; ensure that air flow energy gathers cutting head nozzle place smoothly; in air flow collection; pressure result is best; and air blowing process does not produce convolution gas, avoid focusing on protection eyeglass and polluted, thereby affected cutting effect.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial schematic diagram of Fig. 1;
Fig. 3 is the structural representation of laser cutting head in the utility model.
Reference numeral: 1-laser cutting head, 2-sensor cluster, the copper nozzle of 3-, 4-Z axle servomotor, 5-Z axial filament thick stick, 6-is automatically with burnt controller, 7-preamplifier, 8-finely tunes mechanical handwheel, 9-water-cooled assembly, 901-water inlet water is chewed, 902-water outlet water is chewed, 10-bumper assembly, 11-digital signal transmission line, 12-80 millimeter focal length focusing lens mounting base, 13-100 millimeter focal length focusing lens mounting base, 14-120 millimeter focal length focusing lens mounting base, 15-preamplifier mount pad, 16-focusing lens compresses wire ring, 17-F4 trim ring, 18-focusing lens.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 1, Fig. 2, Fig. 3 is known, a kind ofly can automatically follow burnt laser cutting assembly, comprise the laser cutting head 1 for cutting metal sheet material, Z axis leading screw 5, Z axis servomotor 4, for control the Z axis servo-driver of Z axis servomotor 4 and for control Z axis servo-driver automatically with burnt controller 6, Z axis servomotor 4 is by Z axis leading screw 5 driving laser cutting heads 1, the end of laser cutting head 1 is provided with a copper nozzle 3, between copper nozzle 3 and sheet metal, form a capacitance structure, capacitance structure is successively by sensor cluster 2, preamplifier 7 and digital signal transmission line 11 are connected to automatically with burnt controller 6, laser cutting head 1 is interior is provided with 120 millimeters of focal length focusing lens mounting bases 14 successively along Laser Transmission direction, 13 and 80 millimeters of focal length focusing lens mounting bases 12 of 100 millimeters of focal length focusing lens mounting bases, the flow channel of laser cutting head 1 is level and smooth taper.
As one preferred embodiment, the distance of setting between copper nozzle 3 and sheet metal is standard value, follow burnt electric capacity to demarcate, sheet metal and the earth conducting, copper nozzle 3 is during near sheet metal, between copper nozzle 3 and sheet metal, form a capacitance structure, distance between copper nozzle 3 and sheet metal is different, corresponding capacitance is also different, then the capacitance signal that preamplifier 7 senses sensor cluster 2 is processed and is amplified, convert data signal to, be transferred to automatically with burnt controller 6 by digital signal transmission line 11 again, automatically with burnt controller 6, signal is processed, contrast with the standard value of setting, draw electric capacity difference, again capacitance difference is calculated as to height distance poor, by poor height distance according to Z axis servo-driver, between Z axis servomotor 4 and Z axis leading screw 5, often turn umber of pulse, deceleration of motion ratio and leading screw pitch are converted into umber of pulse and pulse direction, umber of pulse and pulse direction are transferred to Z axis servo-driver, Z axis servo-driver control Z axis servomotor 4 carries out the rotation of respective pulses quantity according to pulse direction, Z axis leading screw 5 drives laser cutting head to rise or decline along Z axis along with the rotation of Z axis servomotor 4, thereby remain between copper nozzle 3 and sheet metal in fixing distance.
In the present embodiment, laser cutting head 1 comprises a water-cooled assembly 9, water-cooled assembly 9 successively by water inlet water chew 901, water-cooling channel and water outlet water chews 902 and forms, water-cooling channel is perpendicular to the axis of laser cutting head 1.
In the present embodiment, between water-cooled assembly 9 and sensor cluster 2, be provided with a fine setting machinery handwheel 8.
In the present embodiment, preamplifier 7 is installed on water-cooled assembly 9 by preamplifier mount pad 15.
The utility model adopts condenser type automatically with burnt mode, uses servomotor control, and signal adopts digital data acquisition and transmission, realize closed-loop control, such mode precision is high, and antijamming capability is strong, follow stablely, can not cause following inaccurate because cutting speed is fast.
In the present embodiment, laser cutting head 1 adopts multifocal apart from structure, and the focusing lens 18 of 80 millimeters, 100 millimeters and 120 millimeters can be installed, and changes and safeguards all very conveniently, in the time of the material of cutting different-thickness, can change very easily.
In the present embodiment, laser cutting head 1 flow channel adopts complete smooth taper design, ensures that air flow energy gathers cutting head nozzle place smoothly; in air flow collection, pressure result is best, and air blowing process does not produce convolution gas; avoid focusing on protection eyeglass and polluted, thereby affected cutting effect.
In the present embodiment, nozzle adopts 1.5 millimeters of apertures, the nozzle bore of this kind of specification can make air accumulation to optimum efficiency, can not affect cutting effect because gas does not assemble, ensure the intensity of gas in unit are, and in the time adjusting defocusing amount, it is large that nozzle place laser facula becomes, in the time of maximum defocus amount, hot spot cross section maximum, also can not be in the light in the aperture of nozzle.
In the present embodiment, the focusing lens 18 of various focal lengths and the position of focusing protection eyeglass in laser cutting head 1 are changeless, regulate defocusing amount, to regulate by the fine setting machinery handwheel 8 of adjusting focusing lens 18 belows, finely tuning mechanical handwheel 8 can make nozzle elongated or shorten to the distance of focusing lens 18 in the process of rotation, and focal length is fixed all the time, the defocusing amount of sheet material has just changed, coordinate the scale of laser marking on the mechanical handwheel 8 of fine setting, these scales can reflect regulated value and the scope of the mechanical handwheel 8 of fine setting, very level and smooth when adjusting, adjusting resolution ratio is high, can remember different defocusing amounts by scale, can calculate exactly defocusing amount simultaneously.
In the present embodiment, laser cutting head 1 can collide because maloperation meeting causes laser cutting head 1 in the time of cutting, is provided with bumper assembly 10 on laser cutting head 1; in the time that laser cutting head 1 is hit separately; machine meeting autostop, after treating that equipment operator overhauls, can recover processing.
In cutting process, when between nozzle and sheet material when conducting, illustrate that nozzle encountered sheet material, at this moment autofocus system can be reported to the police voluntarily, then alarm signal is exported to laser cutting control system, and control system carries out that equipment is anxious stops action; In the time that between nozzle and sheet material, distance increases suddenly, illustrate that the sheet material under nozzle has lacked, at this moment autofocus system can be reported to the police voluntarily, then alarm signal is exported to laser cutting control system, and control system is carried out anxious the stopping of equipment and is moved.
In the present embodiment, nozzle top is connected with ceramic ring, and ceramic ring plays a part insulation and heat insulation, and the signal that protection laser cutting head 1 nozzle place collects is not subject to external interference.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. can automatically follow burnt laser cutting assembly for one kind, it is characterized in that, comprise the laser cutting head for cutting metal sheet material, Z axis leading screw, Z axis servomotor, for control the Z axis servo-driver of described Z axis servomotor and for control described Z axis servo-driver automatically with burnt controller, described Z axis servomotor drives described laser cutting head by described Z axis leading screw, the end of described laser cutting head is provided with a copper nozzle, between described copper nozzle and described sheet metal, form a capacitance structure, described capacitance structure passes through sensor cluster successively, preamplifier and digital signal transmission line are connected to described automatically with burnt controller, in described laser cutting head, be provided with successively 120 millimeters of focal length focusing lens mounting bases along Laser Transmission direction, 100 millimeters of focal length focusing lens mounting bases and 80 millimeters of focal length focusing lens mounting bases, the flow channel of described laser cutting head is level and smooth taper.
2. as claimed in claim 1ly a kind ofly can automatically follow burnt laser cutting assembly, it is characterized in that, described laser cutting head comprises a water-cooled assembly, described water-cooled assembly successively by water inlet water chew, water-cooling channel and water outlet water chews and forms, described water-cooling channel is perpendicular to the axis of described laser cutting head.
3. as claimed in claim 2ly a kind ofly can automatically follow burnt laser cutting assembly, it is characterized in that, between described water-cooled assembly and described sensor cluster, be provided with a fine setting machinery handwheel.
4. as claimed in claim 3ly a kind ofly can automatically follow burnt laser cutting assembly, it is characterized in that, described preamplifier is installed on described water-cooled assembly by preamplifier mount pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863496.6U CN203751530U (en) | 2013-12-25 | 2013-12-25 | Laser cutting assembly capable of automatically following focus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863496.6U CN203751530U (en) | 2013-12-25 | 2013-12-25 | Laser cutting assembly capable of automatically following focus |
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| Publication Number | Publication Date |
|---|---|
| CN203751530U true CN203751530U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863496.6U Expired - Fee Related CN203751530U (en) | 2013-12-25 | 2013-12-25 | Laser cutting assembly capable of automatically following focus |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400218A (en) * | 2014-11-28 | 2015-03-11 | 北京大沃科技有限公司 | Follow-up system |
| CN104607804A (en) * | 2014-12-31 | 2015-05-13 | 武汉华工激光工程有限责任公司 | Laser cutting device |
| CN105081562A (en) * | 2015-08-27 | 2015-11-25 | 武汉奥森迪科智能电控科技有限公司 | Totally-digital laser focusing automatic tracking system |
| CN106181067A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of laser perforation device and laser drilling method thereof |
| CN106903439A (en) * | 2017-03-01 | 2017-06-30 | 绍兴创新激光科技有限公司 | The Alignment Method and system of workpiece in a kind of laser engraving |
| CN107627031A (en) * | 2017-10-30 | 2018-01-26 | 广东正业科技股份有限公司 | One kind laser cutting flat board process equipment and its moving axis alignment system |
| CN108422079A (en) * | 2016-11-08 | 2018-08-21 | 中国人民解放军空军工程大学航空机务士官学校 | A kind of control device of laser cutting system |
| CN108838522A (en) * | 2018-06-13 | 2018-11-20 | 上海柏楚电子科技股份有限公司 | The control system of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous |
| CN109530942A (en) * | 2018-12-13 | 2019-03-29 | 广东天丰精密技术有限公司 | A kind of laser nozzle attachment device |
| CN106312567B (en) * | 2016-08-26 | 2019-04-12 | 长春理工大学 | The orthogonal micro-cutting device and method of laser assisted followed automatically with laser spot |
| CN109894755A (en) * | 2019-04-09 | 2019-06-18 | 奔腾激光(温州)有限公司 | A kind of cooling laser cutting head |
| CN110202273A (en) * | 2019-05-20 | 2019-09-06 | 深圳市睿达科技有限公司 | A kind of automatic height regulating device and its control method based on laser displacement sensor |
| CN110549001A (en) * | 2019-09-05 | 2019-12-10 | 新代科技(苏州)有限公司 | Vibrating mirror marking and laser cutting integrated machine based on capacitance sensing and machining method thereof |
-
2013
- 2013-12-25 CN CN201320863496.6U patent/CN203751530U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104400218A (en) * | 2014-11-28 | 2015-03-11 | 北京大沃科技有限公司 | Follow-up system |
| CN104607804A (en) * | 2014-12-31 | 2015-05-13 | 武汉华工激光工程有限责任公司 | Laser cutting device |
| CN105081562A (en) * | 2015-08-27 | 2015-11-25 | 武汉奥森迪科智能电控科技有限公司 | Totally-digital laser focusing automatic tracking system |
| CN105081562B (en) * | 2015-08-27 | 2017-03-22 | 武汉奥森迪科智能电控科技有限公司 | Totally-digital laser focusing automatic tracking system |
| CN106181067A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of laser perforation device and laser drilling method thereof |
| CN106312567B (en) * | 2016-08-26 | 2019-04-12 | 长春理工大学 | The orthogonal micro-cutting device and method of laser assisted followed automatically with laser spot |
| CN108453373A (en) * | 2016-11-08 | 2018-08-28 | 中国人民解放军空军工程大学航空机务士官学校 | It is cut by laser following control system |
| CN108422079A (en) * | 2016-11-08 | 2018-08-21 | 中国人民解放军空军工程大学航空机务士官学校 | A kind of control device of laser cutting system |
| CN108422079B (en) * | 2016-11-08 | 2020-04-10 | 中国人民解放军空军工程大学航空机务士官学校 | Control device of laser cutting system |
| CN106903439A (en) * | 2017-03-01 | 2017-06-30 | 绍兴创新激光科技有限公司 | The Alignment Method and system of workpiece in a kind of laser engraving |
| CN107627031A (en) * | 2017-10-30 | 2018-01-26 | 广东正业科技股份有限公司 | One kind laser cutting flat board process equipment and its moving axis alignment system |
| CN107627031B (en) * | 2017-10-30 | 2020-03-24 | 广东正业科技股份有限公司 | Laser cutting flat plate processing equipment and moving shaft positioning system thereof |
| CN108838522A (en) * | 2018-06-13 | 2018-11-20 | 上海柏楚电子科技股份有限公司 | The control system of laser cutting head based on the movement of EtherCAT bus multi-axial Simultaneous |
| CN108838522B (en) * | 2018-06-13 | 2020-07-03 | 上海柏楚电子科技股份有限公司 | Laser cutting head control system based on EtherCAT bus multi-axis synchronous motion |
| CN109530942A (en) * | 2018-12-13 | 2019-03-29 | 广东天丰精密技术有限公司 | A kind of laser nozzle attachment device |
| CN109894755A (en) * | 2019-04-09 | 2019-06-18 | 奔腾激光(温州)有限公司 | A kind of cooling laser cutting head |
| CN110202273A (en) * | 2019-05-20 | 2019-09-06 | 深圳市睿达科技有限公司 | A kind of automatic height regulating device and its control method based on laser displacement sensor |
| CN110549001A (en) * | 2019-09-05 | 2019-12-10 | 新代科技(苏州)有限公司 | Vibrating mirror marking and laser cutting integrated machine based on capacitance sensing and machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 |