CN102794248B - Automatic clamping and dispensing system for optical fiber core - Google Patents
Automatic clamping and dispensing system for optical fiber core Download PDFInfo
- Publication number
- CN102794248B CN102794248B CN201210298655.2A CN201210298655A CN102794248B CN 102794248 B CN102794248 B CN 102794248B CN 201210298655 A CN201210298655 A CN 201210298655A CN 102794248 B CN102794248 B CN 102794248B
- Authority
- CN
- China
- Prior art keywords
- clamp
- ball screw
- fiber stub
- synchronous pulley
- turnplate
- Prior art date
- 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.)
- Active
Links
Landscapes
- Coating Apparatus (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an automatic clamping and dispensing system for an optical fiber core. The automatic clamping and dispensing system for an optical fiber core comprises a clamp conveying device, a turnplate rotation device, a core installation device, a dispensing device, a clamp removing device and a control system for controlling the devices to work synergistically. The clamp conveying device comprises a conveying driving device, a ball screw and a clamp pushing cylinder. The conveying driving device is connected to the ball screw and drives the ball screw to rotate. The ball screw is provided with a screw nut. The screw nut is connected to a clamp and drives the clamp to move up or down. The turnplate rotation device comprises a turnplate, a turnplate support platform and a rotation driving mechanism. The turnplate is fixedly installed on the turnplate support platform. The rotation driving mechanism is connected to the turnplate and drives the turnplate to rotate. The clamp at a target position is installed on the turnplate by the clamp pushing cylinder. The automatic clamping and dispensing system realizes full automatic clamping, dispensing and removing of an optical fiber core and can be operated simply. Compared with the existing manual operation, the automatic clamping and dispensing system saves time and labor force, has high production efficiency and reduces a production cost.
Description
Technical field
The present invention relates to a kind of mechanical system, relate in particular to a kind of fiber stub automated exchanged cutter point colloid system.
Background technology
At present, on market, have the point gum machine for fiber stub point glue, but preparation and the follow-up work of carrying out fiber stub point glue operation all need manually to complete.Manual operation flow process is: the lock pin of manually need being put to glue is contained in order one by one fixture and gets on; Then, Fixture assembly is carried out on point gum machine to a glue; After some glue completes, need manually fixture to be collected.Then, again change a fixture to point gum machine, carry out repeated hand labor.Whole operating process is cumbersome, can not full-automaticly produce, and wastes time and energy, and cost is high, and production efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of fiber stub automated exchanged cutter point colloid system is provided, and realizes the full-automation of fiber stub clamping, some glue and the whole operating process that pipettes.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of fiber stub automated exchanged cutter point colloid system, comprise carry grip device, rotary disk rotating device, installation blot lock, point glue equipment, pipette grip device, for controlling the control system of each device collaborative work
Carry grip device to comprise and transmit driving mechanism, ball screw and push away clamp cylinder, transmit driving mechanism and connect ball screw to drive this ball screw rotation, the feed screw nut's jockey arranging on ball screw is to drive fixture to move up and down;
Rotary disk rotating device comprises rotating disk, carousel supports platform and rotary drive mechanism, and rotating disk is fixedly mounted on carousel supports platform, and rotary drive mechanism connects rotating disk to drive this turntable rotation, by pushing away clamp cylinder, the fixture putting in place is arranged on rotating disk;
Blot lock involving vibrations dish, sub-material cylinder, feeding suction nozzle and reclaimer robot are installed, vibrating disk hopper outlet is connected in sub-material cylinder port, feeding suction nozzle is fixed on reclaimer robot, and feeding suction nozzle is placed in lock pin in the clamp fixture hole on rotating disk by reclaimer robot;
Point glue equipment comprises gum cover, point gum machine tool hand, sebific duct and some glue magnetic valve, and gum cover is fixed on point gum machine tool on hand, and gum cover is connected in sebific duct one end, and the sebific duct other end is connected in a glue magnetic valve;
Pipette grip device and comprise that getting clamp cylinder, air cylinder fixed plate and fixture places plate, get clamp cylinder and be placed in air cylinder fixed plate, fixture placement plate is placed in the front side of air cylinder fixed plate.
As a kind of preferred version, transmit driving mechanism and comprise stepper motor, Timing Belt and synchronous pulley, stepper motor connects synchronous pulley to drive this synchronous pulley, and synchronous pulley connects ball screw to drive this ball screw rotation.
As a kind of preferred version, rotary drive mechanism comprises buncher, Timing Belt, synchronous pulley and reductor, and buncher connects synchronous pulley to drive this synchronous pulley, and synchronous pulley connects reductor to slow down and to drive turntable rotation.
As a kind of preferred version, rotating disk is provided with four stations, 90 ° of the corresponding rotations of this rotating disk.
As a kind of preferred version, blot lock to be installed and also to be comprised the piece that directly shakes, the piece that directly shakes is placed in vibrating disk hopper position.
As a kind of preferred version, blot lock to be installed and also to be comprised feeding clamping cylinder, feeding clamping cylinder is arranged on reclaimer robot one side.
As a kind of preferred version, point glue equipment also comprises a glue clamping cylinder, and some glue clamping cylinder is arranged on point gum machine tool hand one side.
As a kind of preferred version, carry grip device to comprise limit sensors and clamper induction sensor.
As a kind of preferred version, rotary disk rotating device comprises alignment sensor.
As a kind of preferred version, blot lock is installed and is comprised a pair of lock pin inductive pick-up.
Implement fiber stub automated exchanged cutter point colloid system of the present invention, compared with the prior art, its beneficial effect is: the present invention has realized fiber stub clamping, some glue and the full-automation of the whole operating process that pipettes, simple to operate, more existing manual operation is time saving and energy saving, production efficiency is high, and has effectively reduced one-tenth and produced cost.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front view of a kind of embodiment of fiber stub automated exchanged cutter point colloid system of the present invention.
Fig. 2 is top view embodiment illustrated in fig. 1.
Fig. 3 is workflow diagram embodiment illustrated in fig. 1.
Fig. 4 is the structural representation of middle conveying grip device embodiment illustrated in fig. 1.
Fig. 5 is the structural representation of turntable whirligig embodiment illustrated in fig. 1.
Fig. 6 (a) is the front view of middle installation blot lock embodiment illustrated in fig. 1.
Fig. 6 (b) is Fig. 6 (a) top view.
Fig. 7 (a) is the front view of middle point glue equipment embodiment illustrated in fig. 1.
Fig. 7 (b) is Fig. 6 (a) top view.
Fig. 8 (a) is the front view that pipettes grip device in embodiment illustrated in fig. 1.
Fig. 8 (b) is Fig. 8 (a) top view.
In figure: 11-1 stepper motor, 11-2 Timing Belt, 11-3 synchronous pulley, 12 ball screws, 12-1 feed screw nut, 13 push away clamp cylinder; 21 rotating disks, 21-1 station, 22 carousel supports platforms, 23-1 buncher, 23-2 Timing Belt, 23-3 synchronous pulley, 23-4 reductor; 31 vibrating disks, 32 sub-material cylinders, 33 feeding suction nozzles, 34-1 feeding X-axis manipulator, 34-2 feeding Z axis manipulator, 35 pieces that directly shake, 36 feeding clamping cylinders; 41 gum covers, 42-1 point glue X-axis manipulator, 42-2 point glue Z axis manipulator, 43 glue clamping cylinders; 51 get clamp cylinder, and 51-1 gets clamp cylinder I, and 51-2 gets clamp cylinder II, 52 air cylinder fixed plate, and 53 fixtures are placed plate; 60 fixtures.
Detailed description of the invention
As depicted in figs. 1 and 2, fiber stub automated exchanged cutter point colloid system of the present invention comprises: carry grip device, rotary disk rotating device, installation blot lock, point glue equipment, pipette grip device, for controlling the control system of each device collaborative work.The workflow of fiber stub automated exchanged cutter point colloid system of the present invention as shown in Figure 3.
As shown in Figure 4, carrying grip device to comprise transmits driving mechanism, ball screw 12 and pushes away clamp cylinder 13, transmit driving mechanism and connect ball screw 12 to drive this ball screw 12 to rotate, the feed screw nut 12-1 jockey 60 arranging on ball screw 12 is to drive fixture 60 to move up and down.Transmit driving mechanism and comprise stepper motor 11-1, Timing Belt 11-2 and synchronous pulley 11-3, stepper motor 11-1 connects synchronous pulley 11-3 to drive this synchronous pulley 11-3, and synchronous pulley 11-3 connects ball screw 12 to drive this ball screw 12 to rotate.This device also comprises limit sensors and clamper induction sensor, and limit sensors is used for preventing feed screw nut 12-1 decline position limit excessively, and clamper induction sensor is used for responding to fixture 60 and arrives corresponding installation position.
As shown in Figure 5, rotary disk rotating device comprises rotating disk 21, carousel supports platform 22 and rotary drive mechanism, rotating disk 21 is fixedly mounted on carousel supports platform 22, and rotary drive mechanism connects rotating disk 21 to drive this rotating disk 21 to rotate, and by pushing away clamp cylinder 13, the fixture putting in place 60 is arranged on rotating disk 21.Rotary drive mechanism comprises buncher 23-1, Timing Belt 23-2, synchronous pulley 23-3 and reductor 23-4, buncher 23-1 connects synchronous pulley 23-3 to drive this synchronous pulley 23-3, and synchronous pulley 23-3 connects reductor 23-4 to slow down and to drive rotating disk 21 to rotate.Wherein, rotating disk 21 is provided with four station 21-1,90 ° of the corresponding rotations of this rotating disk 21.This device also comprises the alignment sensor that arrives relevant work position for detection of rotating disk 21.
As shown in Fig. 6 (a) and Fig. 6 (b), blot lock involving vibrations dish 31, sub-material cylinder 32, feeding suction nozzle 33 and reclaimer robot are installed, vibrating disk 31 hopper outlets are connected in 32 mouthfuls, sub-material cylinder, feeding suction nozzle 33 is fixed on reclaimer robot, and feeding suction nozzle 33 is placed in lock pin in the fixture 60 frock holes on rotating disk 21 by reclaimer robot.Wherein, reclaimer robot comprises feeding X-axis manipulator 34-1 and feeding Z axis manipulator 34-2.With vibrating disk 31 cooperatings also include the piece 35 that directly shakes, the piece 35 that directly shakes is placed in vibrating disk 31 hopper positions, this piece 35 that directly shakes is for to adding strong vibration away from the hopper at vibrating disk 31 places.This device comprises for clamping device, ensures that lock pin accurately inserts the feeding clamping cylinder 36 in clamp fixture hole, and this feeding clamping cylinder 36 is arranged on reclaimer robot one side.Also comprise a pair of lock pin inductive pick-up, whether this lock pin inductive pick-up assigns to assigned address by lock pin for detection of sub-material cylinder 32.
As shown in Fig. 7 (a) and Fig. 7 (b), point glue equipment comprises gum cover 41, point gum machine tool hand, sebific duct and some glue magnetic valve, gum cover 41 is fixed on point gum machine tool on hand, and gum cover 41 is connected in sebific duct one end, and the sebific duct other end is connected in a glue magnetic valve.This device also comprises for clamping device, ensures that the syringe needle on gum cover is accurately put the some glue clamping cylinder 43 of glue on lock pin, and this glue clamping cylinder 43 is arranged on point gum machine tool hand one side.Wherein, point gum machine tool hand comprises a glue X-axis manipulator 42-1 and puts glue Z axis manipulator 42-2.The fixture 60 of filling lock pin through rotating disk 21 half-twists to point glue equipment position, point glue X-axis manipulator 42-1 moves the syringe needle making on gum cover 41 and aims at first lock pin frock hole, point glue Z axis manipulator 42-2 drops to lock pin bottom again with certain speed rising, the same time point glue magnetic valve rising is opened a glue, until set point glue position; Point glue Z axis manipulator 42-2 fast rise again, some glue X-axis manipulator 42-1 moves to second lock pin frock hole site, then to second lock pin point glue.
As shown in Fig. 8 (a) and Fig. 8 (b), pipette grip device and comprise that getting clamp cylinder 51, air cylinder fixed plate 52 and fixture places plate 53, get clamp cylinder 51 and be placed in air cylinder fixed plate 52, fixture placement plate 53 is placed in the front side of air cylinder fixed plate 52.Wherein, get clamp cylinder 51 and be provided with two, get clamp cylinder I 51-1 and get clamp cylinder II 51-2, the fixture 60 of having put glue rotates to this and pipettes grip device position through rotating disk 21, gets clamp cylinder I 51-1 and stretches out, get clamp cylinder II 51-2 decline press close to fixture 60 after, getting clamp cylinder I 51-1 retracts, when retraction, fixture 60 is pushed into fixture and places on plate 53, get clamp cylinder II 51-2 and rise again, pipette fixture 60 and move and complete.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, or else depart under the prerequisite of the present invention's design, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a fiber stub automated exchanged cutter point colloid system, is characterized in that, comprise carry grip device, rotary disk rotating device, installation blot lock, point glue equipment, pipette grip device, for controlling the control system of each device collaborative work,
Described conveying grip device comprises transmission driving mechanism, ball screw and pushes away clamp cylinder, described transmission driving mechanism connects described ball screw to drive this ball screw rotation, and the feed screw nut's jockey arranging on described ball screw is to drive fixture to move up and down;
Described rotary disk rotating device comprises rotating disk, carousel supports platform and rotary drive mechanism, described rotating disk is fixedly mounted on described carousel supports platform, described rotary drive mechanism connects described rotating disk to drive this turntable rotation, by the described clamp cylinder that pushes away, the fixture putting in place is arranged on described rotating disk;
Described installation blot lock involving vibrations dish, sub-material cylinder, feeding suction nozzle and reclaimer robot, described vibrating disk hopper outlet is connected in described sub-material cylinder port, described feeding suction nozzle is fixed on described reclaimer robot, and described feeding suction nozzle is placed in lock pin in the clamp fixture hole on described rotating disk by described reclaimer robot;
Described point glue equipment comprises gum cover, point gum machine tool hand, sebific duct and some glue magnetic valve, and described gum cover is fixed on described point gum machine tool on hand, and described gum cover is connected in described sebific duct one end, and the described sebific duct other end is connected in described some glue magnetic valve;
The described grip device that pipettes comprises and gets clamp cylinder, air cylinder fixed plate and fixture is placed plate, described in get clamp cylinder and be placed in described air cylinder fixed plate, described fixture is placed plate and is placed in the front side of described air cylinder fixed plate.
2. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, it is characterized in that, described transmission driving mechanism comprises stepper motor, Timing Belt and synchronous pulley, described stepper motor connects described synchronous pulley to drive this synchronous pulley, and described synchronous pulley connects described ball screw to drive this ball screw rotation.
3. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, it is characterized in that, described rotary drive mechanism comprises buncher, Timing Belt, synchronous pulley and reductor, described buncher connects described synchronous pulley to drive this synchronous pulley, and described synchronous pulley connects described reductor to slow down and to drive described turntable rotation.
4. fiber stub automated exchanged cutter point colloid system as claimed in claim 3, is characterized in that, described rotating disk is provided with four stations, 90 ° of the corresponding rotations of this rotating disk.
5. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described installation blot lock also comprises the piece that directly shakes, and the described piece that directly shakes is arranged on described vibrating disk hopper position.
6. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described installation blot lock also comprises feeding clamping cylinder, and described feeding clamping cylinder is arranged on described reclaimer robot one side.
7. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described point glue equipment also comprises a glue clamping cylinder, and described some glue clamping cylinder is arranged on described point gum machine tool hand one side.
8. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described conveying grip device comprises clamper induction sensor and limit sensors.
9. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described rotary disk rotating device comprises alignment sensor.
10. fiber stub automated exchanged cutter point colloid system as claimed in claim 1, is characterized in that, described installation blot lock comprises a pair of lock pin inductive pick-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210298655.2A CN102794248B (en) | 2012-08-21 | 2012-08-21 | Automatic clamping and dispensing system for optical fiber core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210298655.2A CN102794248B (en) | 2012-08-21 | 2012-08-21 | Automatic clamping and dispensing system for optical fiber core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102794248A CN102794248A (en) | 2012-11-28 |
| CN102794248B true CN102794248B (en) | 2014-09-10 |
Family
ID=47193698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210298655.2A Active CN102794248B (en) | 2012-08-21 | 2012-08-21 | Automatic clamping and dispensing system for optical fiber core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102794248B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752462B (en) * | 2014-01-06 | 2016-06-29 | 武汉电信器件有限公司 | Semi-automatic secondary dispensing turning table |
| CN104444585A (en) * | 2014-12-04 | 2015-03-25 | 中天科技光纤有限公司 | Special optical fiber drawing switching clamp for take-up machine |
| CN105013662A (en) * | 2015-07-15 | 2015-11-04 | 苏州金牛精密机械有限公司 | Full-automatic workpiece batch dispensing equipment based on PLC control |
| CN105499082B (en) * | 2016-01-26 | 2018-11-13 | 苏州富强科技有限公司 | Product fixed mechanism for point glue equipment |
| CN105676387B (en) * | 2016-04-08 | 2018-07-10 | 四川天邑康和通信股份有限公司 | It is a kind of to integrate disk, dispensing and wear the automatic assembling ceramics caudal peduncle of optical fiber and the equipment of optical fiber |
| CN105855134A (en) * | 2016-06-03 | 2016-08-17 | 杭州奥克光电设备有限公司 | Optical fiber core inserting, dispensing and curing integrated manufacture assembly line |
| CN109530163B (en) * | 2019-01-14 | 2020-11-20 | 安徽明辉电气有限公司 | Full-automatic point gum machine of optic fibre lock pin |
| CN110844567A (en) * | 2019-10-14 | 2020-02-28 | 厦门建霖健康家居股份有限公司 | Semi-automatic rubber coating system of manipulator |
| CN110918412B (en) * | 2019-11-29 | 2020-12-25 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber limiting device and dispensing system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848606A (en) * | 1986-07-31 | 1989-07-18 | Tokyo Juki Industrial Co., Ltd. | Apparatus for dispensing a predetermined volume of paste-like fluid |
| CN201437109U (en) * | 2009-07-08 | 2010-04-14 | 东莞创慈磁性元件有限公司 | Automatic dispensing machine |
| CN201644328U (en) * | 2010-04-21 | 2010-11-24 | 吕立华 | Full-automatic gumming machine |
| CN102039251A (en) * | 2011-01-27 | 2011-05-04 | 贝恩医疗设备(广州)有限公司 | Dispensing device |
| CN202778847U (en) * | 2012-08-21 | 2013-03-13 | 深圳市科信通信技术股份有限公司 | Fiber stub automatic clamping and dispensing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336870A (en) * | 1986-07-31 | 1988-02-17 | Juki Corp | Micro-discharge device for liquid |
-
2012
- 2012-08-21 CN CN201210298655.2A patent/CN102794248B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4848606A (en) * | 1986-07-31 | 1989-07-18 | Tokyo Juki Industrial Co., Ltd. | Apparatus for dispensing a predetermined volume of paste-like fluid |
| CN201437109U (en) * | 2009-07-08 | 2010-04-14 | 东莞创慈磁性元件有限公司 | Automatic dispensing machine |
| CN201644328U (en) * | 2010-04-21 | 2010-11-24 | 吕立华 | Full-automatic gumming machine |
| CN102039251A (en) * | 2011-01-27 | 2011-05-04 | 贝恩医疗设备(广州)有限公司 | Dispensing device |
| CN202778847U (en) * | 2012-08-21 | 2013-03-13 | 深圳市科信通信技术股份有限公司 | Fiber stub automatic clamping and dispensing system |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-36870A 1988.02.17 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102794248A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102794248B (en) | Automatic clamping and dispensing system for optical fiber core | |
| CN103753210B (en) | The lower house assembling of adjuster and detection line | |
| CN204161978U (en) | Rotating disc type pipe dress loader | |
| CN103707060A (en) | Automatic assembly machine for kettle valve of coffee maker | |
| CN103466147B (en) | A kind of automatic counting apparatus and control method thereof | |
| CN201862533U (en) | Automation dispensing equipment | |
| CN205363255U (en) | Integration equipment is glued to automatic bonding wire of motor, assembly of gear gasket and point | |
| CN203679740U (en) | Lower shell assembling and detection line of adjuster | |
| CN203351933U (en) | Fully automatic DC plug riveting machine | |
| CN203440035U (en) | Novel automatic cap feeding system of cap screwing machine | |
| CN202778847U (en) | Fiber stub automatic clamping and dispensing system | |
| CN203486532U (en) | Discharging direction-dividing device of vibration disc | |
| CN206318474U (en) | A kind of feeding robot | |
| CN205765199U (en) | A kind of bottom gripping body for circular ear tag automatic assembling | |
| CN108305845A (en) | Semiconductor auto loading mechanism and operation method | |
| CN204947847U (en) | A kind of rotor transporter | |
| CN207746069U (en) | A kind of rotating disc type adhesive supplier | |
| CN203497251U (en) | Automatic counting machine | |
| CN203567188U (en) | Rotary type rearmounted handle assembling machine | |
| CN203714822U (en) | Conveying and end face detection mechanism for bearing rollers | |
| CN203667103U (en) | Positioning labeler for bottle body of round bottle | |
| CN102730947A (en) | Servo tube inserting machine for making bottle by glass tube | |
| CN204957792U (en) | LDI unit automatics | |
| CN209467709U (en) | A kind of chip feeding machine | |
| CN202912375U (en) | Hopper device of automatic coaxial detection machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 518048 Guangdong province Shenzhen Guangming New District Office of Gongming Tong Community High Tech Park South Road District first letter exchange Applicant after: Shenzhen Kexin Communiation Technology Co., Ltd. Address before: NANKER Guangming hi tech Park District letter delta road Shenzhen City, Guangdong province 518048 Applicant before: Shenzhen Kexin Communication Equipment Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: KEXIN COMMUNICATION EQUIPMENT CO. LTD., SHENZHEN CITY TO: SHENZHEN KEXIN COMMUNICATION TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |