CN205096686U - Integral type flange automatic welding equipment with central through hole - Google Patents
Integral type flange automatic welding equipment with central through hole Download PDFInfo
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- CN205096686U CN205096686U CN201520896128.0U CN201520896128U CN205096686U CN 205096686 U CN205096686 U CN 205096686U CN 201520896128 U CN201520896128 U CN 201520896128U CN 205096686 U CN205096686 U CN 205096686U
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Abstract
The utility model discloses an integral type flange automatic welding equipment with central through hole. Its welding spider sliding connection can be for the base back -and -forth movement on the base of the machine of shifting, the welding chuck supports with main motor continuously through gyration on being fixed in the upset frame, the upset frame has the central through hole, and the work piece passes in can following the central through hole, but welding chuck holding workpiece's arbitrary position, make the machine of shifting and welding source, the welder can formula structure as an organic whole, can not only adapt to the long tube welding, when having a plurality of welding seams moreover on the work piece, do not need repeatedly the relative position of transform welding spider and the machine of shifting, the welding of can completed workpiece going up all welding seams. Be equipped with welding wig -wag and arc length regulator on welding the spider, welder installs on the arc length regulator, can realize automatically swinging and adjust from top to bottom, and the adaptation has the weldment of groove requirement and has the welding of the work piece of obvious ovality, does not need artificial the regulation or the intervention, has realized closed -loop control, and welding quality guarantees easily.
Description
Technical field
The utility model relates to technical field of welding equipment, particularly a kind of pipeline, flange automatic welding equipment.
Background technology
Pipeline welding equipment is generally by positioner and the source of welding current, welding gun forms, positioner comprises base, displacement motor and the head be rotationally connected with by head gyroaxis on base, the pinion of displacement motor shaft end drives the gear wheel be fixed on head gyroaxis that head is conjugated, head comprises turning frame, mair motor, gyroaxis, welding chuck, welding chuck is connected to the end of gyroaxis, gyroaxis is driven by mair motor, welding chuck rotates, and then drive workpiece to rotate, because the weld jig of positioner only can the end of holding workpiece, when the workpiece that welded seam distance workpiece end is far away, positioner and the source of welding current, welding gun can only adopt split-type structural, welding gun is fixed on welding spider, according to the distance of the welding seam distance welding gun of welded part, the position of adjustment welding spider, welding gun is made to be positioned at positioner chuck rotating range, when needing to carry out weld job, positioner grips welded part, open positioner, drive workpiece rotates, then the source of welding current is opened, can adjust welding torch position among a small circle by the vertical and horizontal guiding mechanism on welding spider makes it be fixed on above weld seam, workpiece rotates under positioner drives, welding gun acts on weld seam, thus realize the welding of circumferential weld.After whole piece weld seam has welded, need first to close the source of welding current, then close positioner; Due in the welding equipment of prior art, positioner part and the source of welding current, welding gun part are two relatively independent systems, when workpiece has multiple weld seam, need the relative position of constantly conversion welding spider and positioner, and repeat the step such as the adjustment of welding spider position, unlatching positioner, power-on, welding, just can complete the welding of all weld seams on workpiece, welding efficiency is low.And can not closed-loop control be realized, complex operation, repeatable poor, welding operation labor strength is large, and production efficiency is low, and welding quality is wayward.In addition, because welding gun is fixed on a certain position above weld seam, in welding process, welding gun can not realize swinging and moving up and down automatically, when meeting the weldment welding of groove requirement, needs artificial adjustment in real time that welding gun is swung; Particularly when pipe fitting is with more obvious ovality, need the artificial welding gun of adjustment in real time height, make arc stability to realize arc length adjustment, therefore not only increase the labour intensity of operator, welding quality also not easily ensures.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided that a kind of arc length can regulate automatically, Automation of Welding degree is high, welding chuck can holding workpiece any part, make positioner and the source of welding current, welding gun can be integral type structure, welding quality stable is reliable, labour intensity is low, can the longer Integral flange automatic welding equipment with central through hole of the length of processing work.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of Integral flange automatic welding equipment with central through hole, comprise control system, welding spider, welding gun and positioner, positioner comprises base, is rotationally connected with the head on base and conjugates motor by head gyroaxis, displacement motor drives the rotation of head gyroaxis that head is conjugated, head comprises turning frame, mair motor, welding chuck for fixation workpiece, welding chuck is connected with mair motor by slewing equipment, it is characterized in that: described welding spider is slidably connected on the base of positioner, can move forward and backward relative to base;
Described slewing equipment is revolving support, and the inner ring of revolving support is fixed on turning frame, and welding chuck is connected on the outer ring of revolving support; Turning frame has central through hole, and central through hole diameter is more than or equal to the internal diameter of revolving support, and workpiece can pass from central through hole; The object of such design is to adapt to long tube welding, owing to have employed super large central through hole, conveniently long tube can be passed central through hole, welding chuck can holding workpiece any part, make positioner and the source of welding current, welding gun can be integral type structure, make weld seam be positioned at spider scope of activities all the time, such design also compensate for the impact of spider stroke on weld-end fittings length requirement.
Welding spider is provided with welding oscillator and arc length adjuster, and the welding gun be connected with welding machine is arranged in arc length adjuster, and welding oscillator is connected with described control system with arc length adjuster.The object of such design to make welding gun in welding process can automatically realize swinging and up-down adjustment, adapts to the welding having the weldment of groove requirement and the workpiece with more obvious ovality.
In the utility model, the base of described positioner is provided with line slideway, and the bottom correspondence of welding spider is provided with slide block, and welding spider weld spider drive unit with being provided with between base, and welding spider can linearly slide.
In the utility model, described welding spider drive unit comprises stepper motor, screw mandrel, screw, and screw mandrel is connected on the output shaft of stepper motor, and stepper motor is fixed on base, and the screw be meshed with screw mandrel is fixed on the bottom of welding spider.
Further, described base is also provided with screw mandrel supporting seat, the two ends of screw mandrel are rotationally connected with on screw mandrel supporting seat.
In the utility model, described arc length adjuster comprises, longitudinal linear electric motors, longitudinal motor mounting plate, longitudinal slide unit fixed head, longitudinal slide unit portable plate, longitudinal leadscrew, the longitudinal screw be meshed with longitudinal leadscrew, longitudinal crossed roller guide rail;
Welding oscillator comprises, horizontal linear motor, cross motor installing plate, horizontal slide unit fixed head, horizontal slide unit portable plate, horizontal leading screw, the horizontal screw be meshed with horizontal leading screw, lateral cross roller guide rail;
Longitudinal linear electric motors are fixed on longitudinal slide unit fixed head by longitudinal motor mounting plate, longitudinal screw is fixed on longitudinal slide unit portable plate, longitudinal slide unit fixed head is connected by longitudinal crossed roller guide rail with longitudinal slide unit portable plate, and longitudinal leadscrew is connected with the output shaft of longitudinal linear electric motors;
Horizontal linear motor is fixed on horizontal slide unit fixed head by cross motor installing plate, horizontal screw is fixed on horizontal slide unit portable plate, horizontal slide unit fixed head is connected by lateral cross roller guide rail with horizontal slide unit portable plate, and horizontal leading screw is connected with the output shaft of horizontal linear motor;
Horizontal slide unit portable plate is connected with longitudinal slide unit fixed head, and welding gun is fixed on longitudinal slide unit portable plate, and horizontal slide unit fixed head is connected with welding spider.
In the utility model, described horizontal linear motor, longitudinal linear electric motors are connected with described control system respectively.
The described source of welding current is provided with welding gun socket, is electrically connected with welding gun; Described welding gun socket is parallel with arc voltage harvester, and arc voltage harvester is connected with described control system.
The object of above-mentioned design to make welding gun in welding process can automatically realize moving up and down and swinging, when pipe fitting is with more obvious ovality, the arc voltage that arc voltage harvester can automatically will collect in welding process, by current sensor, voltage signal is converted to current signal and passes to control system in real time, first, compared with control system to be limit with the arc voltage up/down of setting the signal collected automatically, according in the constant situation of welding current, the size of arc voltage is relevant to electric arc length, the longer voltage of electric arc is larger, and the shorter voltage of electric arc is less; When real-time arc voltage signal is greater than capping value, welding gun moves down; When real-time arc voltage signal is less than preset lower limit, welding gun moves up; When real-time arc voltage signal is less than capping value, when being greater than preset lower limit, welding gun stops mobile.Then, control system sends command adapted thereto according to comparative result to longitudinal linear electric motors, the welding gun on longitudinal slide unit portable plate is driven to move up and down by longitudinal linear electric motors driving longitudinal leadscrew, longitudinal screw, automatic adjustment welding gun height, realize arc length adjustment and make arc stability, do not need artificial adjustment or intervention.When welding the weldment required with groove, can according to the reciprocation amplitude of the preset amount horizontal linear motor of groove and frequency, horizontal linear motor drives horizontal leading screw, transverse wire master tape moves arc length adjuster that horizontal slide unit portable plate connects and then drive welding gun to swing, wlding uniform fold weld bond can be made, operator's labour intensity is low, and welding quality also easily ensures.
The beneficial effects of the utility model:
Its slewing equipment of the technical solution of the utility model adopts revolving support, the inner ring of revolving support is fixed on turning frame, chuck is connected on the outer ring of revolving support, turning frame has central through hole, workpiece can pass from central through hole, welding chuck can any part of holding workpiece, make positioner and the source of welding current, welding gun can be integral type structure, long tube welding can not only be adapted to, and when having multiple weld seam on workpiece, do not need the relative position repeatedly converting welding spider and positioner, the welding of all weld seams on workpiece can be completed, welding efficiency is high, welding quality also easily ensures.Welding spider is provided with welding oscillator and arc length adjuster, the welding gun be connected with welding machine is arranged in arc length adjuster, welding oscillator is connected with described control system with arc length adjuster, welding gun in welding process can be made automatically to realize swinging and up-down adjustment, adapt to the welding having the weldment of groove requirement and the workpiece with more obvious ovality, and do not need artificial adjustment or intervention, achieve closed-loop control, operator's labour intensity is low, and welding quality also easily ensures.
In sum, it is high that the utility model has Automation of Welding degree, and welding quality stable is reliable, and labour intensity is low, can the longer advantage of the length of processing work.
Accompanying drawing explanation
Fig. 1 is the schematic front view of positioner head 0 ° time that the utility model has the Integral flange automatic welding equipment of central through hole.
Fig. 2 is that schematic diagram is looked on the left side of positioner head 0 ° time that the utility model has an Integral flange automatic welding equipment of central through hole.
Fig. 3 is the schematic top plan view of positioner head 0 ° time that the utility model has the Integral flange automatic welding equipment of central through hole.
Fig. 4 is the A-A sectional view in Fig. 3.
Fig. 5 is the B direction view (after removing welding gun) in Fig. 3.
Fig. 6 is the C direction view (after removing welding gun) in Fig. 3.
Fig. 7 is that the axle of positioner head 0 ° time that the utility model has an Integral flange automatic welding equipment of central through hole measures intention.
Fig. 8 is that the axle of positioner head 45 ° time that the utility model has an Integral flange automatic welding equipment of central through hole measures intention.
Fig. 9 is that the axle of positioner head 90 ° time that the utility model has an Integral flange automatic welding equipment of central through hole measures intention.
Figure 10, Figure 11 be the utility model when there is the Integral flange automatic welding equipment welding long tube workpiece of central through hole the axle of positioner head 45 ° time measure intention.
In figure: 1 welding spider crossbeam, 2 line slideways, 3 slide blocks, 4 welding spider columns,
5 bases, 501 left socles, 502 right supports, 503 bearing blocks,
6 welding chucks, 7 mair motor,
8 head gyroaxises, 801 left half axles, 802 right axle shafts,
9 welding guns,
10 welding oscillator, 1001 horizontal screws, 1002 horizontal leading screws, 1003 cross motor installing plates, 1004 horizontal linear motors, 1005 horizontal slide unit fixed heads, 1006 lateral cross roller guide rails, 1007 horizontal slide unit portable plates,
11 arc length adjuster, 1101 longitudinal crossed roller guide rails, 1102 longitudinal slide unit portable plates, 1103 longitudinal screws, 1104 longitudinal leadscrews, 1105 longitudinal linear electric motors, 1106 longitudinal motor mounting plates, 1107 longitudinal slide unit fixed heads,
12 stepper motors, 13 screw mandrel supporting seats, 14 screw mandrels, 15 central through holes, 16 displacement motors, 17 turning frames, the outer ring of 18 revolving support, the inner ring of 19 revolving support, 20 laterally adjust motor, and 21 longitudinally adjust motor, 22 workpiece.
Detailed description of the invention
For technical characterstic of the present utility model can be clearly demonstrated, below by detailed description of the invention, and by reference to the accompanying drawings, the utility model is described further.
See Fig. 1 to Fig. 3, a kind of Integral flange automatic welding equipment with central through hole, comprise control system, welding spider, welding gun 9 and positioner, positioner comprises base 5, is rotationally connected with the head on base 5 and conjugates motor 16 by head gyroaxis 8, displacement motor 16 drives head gyroaxis 8 rotation that head is conjugated, head comprises turning frame 17, mair motor 7, welding chuck 6 for fixation workpiece, and welding chuck 6 is connected with mair motor 7 by slewing equipment; Base 5 is provided with left socle 501 and right support 502, the top of left socle 501 and right support 502 is respectively equipped with bearing block 503, described head gyroaxis 8 comprises left half axle 801 and right axle shaft 802, left half axle 801 is connected with the two ends of turning frame 17 respectively with one end of right axle shaft 802, and the other end is rotationally connected with on described bearing block 503 respectively; Described welding spider is slidably connected on the base 5 of positioner, can move forward and backward relative to base 5;
See Fig. 4, the slewing equipment of the present embodiment adopts revolving support, and the inner ring 19 of revolving support is fixed on turning frame 17, and welding chuck 6 is connected on the outer ring 18 of revolving support; Turning frame 17 has central through hole 15, and central through hole 15 diameter is greater than the internal diameter of revolving support, and workpiece can pass from central through hole 15;
See Fig. 1 to Fig. 4, welding spider forms by welding spider column 4 and welding spider crossbeam 1, the end of welding spider crossbeam 1 is connected with welding oscillator 10, arc length adjuster 11 is connected in welding oscillator 10, the welding gun 9 be connected with welding machine is arranged in arc length adjuster 11, and welding oscillator 10 is connected with described control system with arc length adjuster 11.
The base 5 of positioner is provided with upper and lower two line slideways be parallel to each other 2, the bottom correspondence of welding spider column 4 is provided with slide block 3, welding spider column 4 weld spider drive unit with being provided with between base 5, and welding spider can linearly slide by guide rail 2.
The welding spider drive unit of the present embodiment comprises stepper motor 12, screw mandrel 14, screw, screw mandrel 14 is connected on the output shaft of stepper motor 12, stepper motor 12 is fixed on base 5, and the screw be meshed with screw mandrel 14 is fixed on the bottom of welding spider column 4.
Base 5 is also provided with screw mandrel supporting seat 13, and the two ends of screw mandrel 14 are rotationally connected with on screw mandrel supporting seat 13.
See Fig. 5, Fig. 6, above-mentioned arc length adjuster 11 comprises, longitudinal linear electric motors 1105, longitudinal motor mounting plate 1106, longitudinal slide unit fixed head 1107, longitudinal slide unit portable plate 1102, longitudinal leadscrew 1104, the longitudinal screw 1103 be meshed with longitudinal leadscrew 1104, longitudinal crossed roller guide rail 1101;
Above-mentioned welding oscillator 10 comprises, horizontal linear motor 1004, cross motor installing plate 1003, horizontal slide unit fixed head 1005, horizontal slide unit portable plate 1007, horizontal leading screw 1002, the horizontal screw 1001, the lateral cross roller guide rail 1006 that are meshed with horizontal leading screw 1002;
Longitudinal linear electric motors 1105 are fixed on longitudinal slide unit fixed head 1107 by longitudinal motor mounting plate 1106, longitudinal screw 1103 is fixed on longitudinal slide unit portable plate 1102, longitudinal slide unit fixed head 1107 is connected by longitudinal crossed roller guide rail 1101 with longitudinal slide unit portable plate 1102, and longitudinal leadscrew 1104 is connected with the output shaft of longitudinal linear electric motors 1105;
Horizontal linear motor 1004 is fixed on horizontal slide unit fixed head 1005 by cross motor installing plate 1003, horizontal screw 1001 is fixed on horizontal slide unit portable plate 1007, horizontal slide unit fixed head 1005 is connected by lateral cross roller guide rail 1006 with horizontal slide unit portable plate 1007, and horizontal leading screw 1002 is connected with the output shaft of horizontal linear motor 1004;
Horizontal slide unit portable plate 1007 is connected with longitudinal slide unit fixed head 1107, and welding gun 9 is fixed on longitudinal slide unit portable plate 1102, and horizontal slide unit fixed head 1005 is connected with welding spider.
Horizontal linear motor 1004, longitudinal linear electric motors 1105 are connected with described control system respectively.
The described source of welding current is provided with welding gun socket, is electrically connected with welding gun 9; Described welding gun socket is parallel with arc voltage harvester, and arc voltage harvester is connected with described control system.
See Figure 10, Figure 11, when the Integral flange automatic welding equipment with central through hole of the present embodiment works, its job step is as follows:
1, long tube workpiece 22 to be put into through the central through hole 15 of turning frame 17, the endoporus of revolving support on the welding chuck 6 on positioner and to be locked;
2, start displacement motor 16 by control system, displacement motor 16 drives head gyroaxis 8 to rotate and makes head be indexed to 45 °, make welding chuck 6 drive workpiece 22 to conjugate;
3, start laterally adjustment motor 20 by control system, adjustment welding spider and positioner workpiece laterally between relative position;
4, start longitudinally adjustment motor 21 by control system, adjustment welding spider and positioner workpiece longitudinally between relative position; Welding gun 9 is made to adjust to welding position;
5, start mair motor 7 by control system, mair motor 7 drives revolving support, welding chuck 6 and workpiece 22 to rotate;
6, start welding procedure by control system and start welding;
7, workpiece 22 is soldered rear welding gun 9 self-zeroing position;
8, dismantle workpiece 22, terminate.
Cited above embodiment is only for understanding the utility model; it is not the restriction to the technical scheme described by the utility model; the those of ordinary skill of related fields; on the basis of technical scheme described in claim; can also make multiple change or distortion, all equivalent changes or distortion all should be encompassed within claims of the present utility model.
Claims (7)
1. one kind has the Integral flange automatic welding equipment of central through hole, comprise control system, welding spider, the source of welding current, welding gun and positioner, positioner comprises base, be rotationally connected with the head on base by head gyroaxis and conjugate motor, displacement motor drives the rotation of head gyroaxis that head is conjugated, head comprises turning frame, mair motor, for the welding chuck of fixation workpiece, welding chuck is connected with mair motor by slewing equipment, it is characterized in that: described welding spider is slidably connected on the base of positioner, can move forward and backward relative to base,
Described slewing equipment is revolving support, and the inner ring of revolving support is fixed on turning frame, and welding chuck is connected on the outer ring of revolving support; Turning frame has central through hole, and central through hole diameter is more than or equal to the internal diameter of revolving support, and workpiece can pass from central through hole;
Welding spider is provided with welding oscillator and arc length adjuster, and the welding gun be connected with welding machine is arranged in arc length adjuster, and welding oscillator is connected with described control system with arc length adjuster.
2. the Integral flange automatic welding equipment with central through hole according to claim 1, it is characterized in that: the base of described positioner is provided with line slideway, the bottom correspondence of welding spider is provided with slide block, welding spider weld spider drive unit with being provided with between base, and welding spider can linearly slide.
3. the Integral flange automatic welding equipment with central through hole according to claim 2, it is characterized in that: described welding spider drive unit comprises stepper motor, screw mandrel, screw, screw mandrel is connected on the output shaft of stepper motor, stepper motor is fixed on base, and the screw be meshed with screw mandrel is fixed on the bottom of welding spider.
4. the Integral flange automatic welding equipment with central through hole according to claim 3, is characterized in that: described base is also provided with screw mandrel supporting seat, and the two ends of screw mandrel are rotationally connected with on screw mandrel supporting seat.
5. the Integral flange automatic welding equipment with central through hole according to claim 1, is characterized in that:
Arc length adjuster comprises, longitudinal linear electric motors, longitudinal motor mounting plate, longitudinal slide unit fixed head, longitudinal slide unit portable plate, longitudinal leadscrew, the longitudinal screw be meshed with longitudinal leadscrew, longitudinal crossed roller guide rail;
Welding oscillator comprises, horizontal linear motor, cross motor installing plate, horizontal slide unit fixed head, horizontal slide unit portable plate, horizontal leading screw, the horizontal screw be meshed with horizontal leading screw, lateral cross roller guide rail;
Longitudinal linear electric motors are fixed on longitudinal slide unit fixed head by longitudinal motor mounting plate, longitudinal screw is fixed on longitudinal slide unit portable plate, longitudinal slide unit fixed head is connected by longitudinal crossed roller guide rail with longitudinal slide unit portable plate, and longitudinal leadscrew is connected with the output shaft of longitudinal linear electric motors;
Horizontal linear motor is fixed on horizontal slide unit fixed head by cross motor installing plate, horizontal screw is fixed on horizontal slide unit portable plate, horizontal slide unit fixed head is connected by lateral cross roller guide rail with horizontal slide unit portable plate, and horizontal leading screw is connected with the output shaft of horizontal linear motor;
Horizontal slide unit portable plate is connected with longitudinal slide unit fixed head, and welding gun is fixed on longitudinal slide unit portable plate, and horizontal slide unit fixed head is connected with welding spider.
6. the Integral flange automatic welding equipment with central through hole according to claim 5, is characterized in that: described horizontal linear motor, longitudinal linear electric motors are connected with described control system respectively.
7. the Integral flange automatic welding equipment with central through hole according to claim 1, is characterized in that: the described source of welding current is provided with welding gun socket, is electrically connected with welding gun; Described welding gun socket is parallel with arc voltage harvester, arc
pressureharvester is connected with described control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896128.0U CN205096686U (en) | 2015-11-12 | 2015-11-12 | Integral type flange automatic welding equipment with central through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520896128.0U CN205096686U (en) | 2015-11-12 | 2015-11-12 | Integral type flange automatic welding equipment with central through hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205096686U true CN205096686U (en) | 2016-03-23 |
Family
ID=55512496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520896128.0U Withdrawn - After Issue CN205096686U (en) | 2015-11-12 | 2015-11-12 | Integral type flange automatic welding equipment with central through hole |
Country Status (1)
| Country | Link |
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| CN (1) | CN205096686U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269116A (en) * | 2015-11-12 | 2016-01-27 | 济南金鲁鼎焊接技术有限公司 | Automatic integrated flange welding equipment with center through hole |
| CN110014249A (en) * | 2019-04-08 | 2019-07-16 | 林佳朋 | A kind of welding method and equipment of connecting flange and metallic conduit |
| CN112077420A (en) * | 2020-08-27 | 2020-12-15 | 中国石油天然气股份有限公司 | Device and method for welding cylinder and end socket |
| CN112276433A (en) * | 2020-10-16 | 2021-01-29 | 苏州龙骐自动化科技有限公司 | Welding robot flexible to use |
-
2015
- 2015-11-12 CN CN201520896128.0U patent/CN205096686U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269116A (en) * | 2015-11-12 | 2016-01-27 | 济南金鲁鼎焊接技术有限公司 | Automatic integrated flange welding equipment with center through hole |
| CN110014249A (en) * | 2019-04-08 | 2019-07-16 | 林佳朋 | A kind of welding method and equipment of connecting flange and metallic conduit |
| CN112077420A (en) * | 2020-08-27 | 2020-12-15 | 中国石油天然气股份有限公司 | Device and method for welding cylinder and end socket |
| CN112276433A (en) * | 2020-10-16 | 2021-01-29 | 苏州龙骐自动化科技有限公司 | Welding robot flexible to use |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160323 Effective date of abandoning: 20170929 |
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| AV01 | Patent right actively abandoned |