CN107248593B - Battery hot pressing becomes device - Google Patents
Battery hot pressing becomes device Download PDFInfo
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- CN107248593B CN107248593B CN201710391272.2A CN201710391272A CN107248593B CN 107248593 B CN107248593 B CN 107248593B CN 201710391272 A CN201710391272 A CN 201710391272A CN 107248593 B CN107248593 B CN 107248593B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/14—Cells with non-aqueous electrolyte
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a battery hot-pressing formation device, which comprises a bottom plate, wherein supporting plates are arranged at two ends of the upper surface of the bottom plate; the two supporting plates are fixedly connected through a plurality of guide rods; the guide rod is provided with two pressing plates and a plurality of battery extrusion plates positioned between the two pressing plates in a sliding manner; the supporting plate is also provided with a plurality of sliding rods parallel to the guide rods and a first driving device for driving the sliding rods to move towards the battery extrusion plate; the sliding rod is provided with a plurality of conductive clips; the second driving device drives the press plate to operate; when processing, the battery is placed between the battery stripper plates, the second driving device drives the pressing plate to operate, the pressing plate extrudes the battery stripper plates to extrude the battery, the first driving device adjusts the distance between the conductive clamp and the battery stripper plates on the sliding rod, the hot pressing of the batteries with different sizes is well adapted to the processing homoenergetic, the debugging time is shortened, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of lithium battery processing, in particular to a battery hot-pressing formation device.
Background
When the sheet lithium battery is produced, a hot pressing forming procedure is required; the hot pressing formation equipment used at present is only used for processing a certain specific size battery, and the debugging needs to be carried out for a long time when batteries with different sizes are replaced, so that the production efficiency is low.
Disclosure of Invention
The present invention is directed to a battery thermal compression apparatus, which is used to solve the above-mentioned problems of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
constructing a battery hot-pressing formation device, which comprises a bottom plate; wherein, both ends of the upper surface of the bottom plate are provided with supporting plates; the two support plates are fixedly connected through a plurality of guide rods; the guide rod is provided with two pressing plates and a plurality of battery extrusion plates positioned between the two pressing plates in a sliding manner; the supporting plate is also provided with a plurality of sliding rods parallel to the guide rods and a first driving device for driving the sliding rods to move towards the battery extrusion plate; the sliding rod is provided with a plurality of conductive clips; the second driving device is used for driving the pressing plate to operate.
The invention provides a battery hot-pressing formation device, wherein the first driving device comprises a plurality of first screw rods arranged on the supporting plate and a driving mechanism for driving the first screw rods; the first lead screws and the sliding rods are arranged in a one-to-one correspondence manner, and the first lead screw nuts are fixedly connected with the sliding rods; and the supporting plate is provided with a sliding groove corresponding to the sliding rod.
The invention relates to a battery hot-pressing formation device, wherein a driving mechanism comprises a crank, a transmission shaft and a first bevel gear arranged on the transmission shaft; and a second bevel gear corresponding to the first bevel gear is arranged at the end part of the first screw rod shaft.
The battery hot-pressing formation device provided by the invention is characterized in that the number of the first screw rods is even, and one first bevel gear drives two first screw rods to operate.
The battery hot-pressing formation device is characterized in that the sliding rod is provided with clamping pieces which correspond to the conductive clamps one by one; the clamping piece comprises a sliding block and an adjusting nut; the sliding block is provided with a first through hole corresponding to the sliding rod, a clamping convex block and a first screw hole or a second through hole corresponding to the adjusting nut; the conductive clamp is provided with a second screw hole corresponding to the adjusting nut and a clamping hook corresponding to the clamping convex block.
The battery hot-pressing formation device is characterized in that a plurality of extrusion buffering pieces are arranged at the upper end of the battery extrusion plate; the extrusion buffering piece comprises a base fixed with the battery extrusion plate, a longitudinal supporting rod fixedly connected with the base, and an elastic sheet connected with a spring on the side surface of the supporting rod.
The battery hot-pressing formation device is characterized in that the elastic sheet is concave or arc-shaped, and two extrusion buffer pieces are arranged on the two symmetrical surfaces of the supporting rod respectively; the upper end of the elastic sheet is rotatably connected with the upper end of the supporting rod, the lower end of the elastic sheet is fixedly connected with the supporting rod or the base, and the middle section of the elastic sheet is connected with the supporting rod through the spring.
The battery hot-pressing formation device is characterized in that a second screw rod for driving the pressing plate to operate is arranged on the supporting plate; a driven wheel is arranged at one end of the second screw rod shaft; the second driving device comprises a driving motor for driving the driven wheel to rotate and a driving motor mounting plate fixedly connected with the bottom plate.
The invention relates to a battery hot-pressing formation device, wherein a driving wheel is arranged at the movable end of a driving motor; a plurality of transmission gears are arranged on the supporting plate.
The battery hot-pressing formation device comprises a battery extrusion plate, wherein the side wall of the battery extrusion plate is provided with connecting columns, and adjacent connecting columns are connected through connecting pieces; and the connecting plate is provided with a connecting hole and a movable groove.
The invention has the beneficial effects that: when processing, the battery is placed between the battery stripper plates, the second driving device drives the pressing plate to operate, the pressing plate extrudes the battery stripper plates to extrude the battery, the first driving device adjusts the distance between the conductive clamp and the battery stripper plates on the sliding rod, the hot pressing of the batteries with different sizes is well adapted to the processing homoenergetic, the debugging time is shortened, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a thermal pressing apparatus for forming a battery according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of the clamping member, the conductive clip and the sliding rod of the battery thermal compression molding device according to the preferred embodiment of the invention;
fig. 3 is a schematic structural view of a battery pressing plate and a pressing buffer of the battery hot-pressing formation device according to the preferred embodiment of the invention;
fig. 4 is a schematic diagram of the structure of a cell pressing plate and a connecting sheet of the cell hot-pressing device according to the preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The battery thermal compression forming device according to the preferred embodiment of the present invention is shown in fig. 1, and referring to fig. 2, fig. 3 and fig. 4, the device includes a bottom plate 1, wherein two ends of the upper surface of the bottom plate 1 are provided with support plates 10; the two support plates 10 are fixedly connected by a plurality of guide rods 11; the guide rod 11 is provided with two pressing plates 12 and a plurality of battery extrusion plates 13 positioned between the two pressing plates 12 in a sliding manner; the support plate 10 is further provided with a plurality of slide bars 100 parallel to the guide bars 11 and a first driving device 2 for driving the slide bars 100 to move toward the battery pressing plate 13; the sliding rod 100 is provided with a plurality of conductive clips 101; a second driving device 3 for driving the pressing plate 12 to operate; when processing, the battery is placed between battery stripper plate 13, drives clamp plate 12 through second drive arrangement 3 and moves, and clamp plate 12 extrudees battery stripper plate 13 and extrudees the battery, through electrically conductive 101 and the 13 intervals of battery stripper plate on the 2 adjusting slide bars 100 of first drive arrangement, becomes the fine adaptation of processing homoenergetic to not unidimensional battery hot pressing, has reduced the debugging time, has improved production efficiency.
As shown in fig. 1 and 2, the first driving device 2 includes a plurality of first lead screws 20 provided on the support plate 10, and a driving mechanism 21 that drives the plurality of first lead screws 20; the first lead screws 20 are arranged in one-to-one correspondence with the sliding rods 100, and lead screw nuts of the first lead screws 20 are fixedly connected with the sliding rods 100; the support plate 10 is provided with a sliding groove 102 corresponding to the sliding rod 100; the first screw rod 20 is adjusted through the driving mechanism 21 to drive the sliding rod 100 to operate, so that the operation stability is good, and the automatic control is convenient; through the arrangement of the sliding groove 102, the sliding rod 100 is guided, and meanwhile, the first lead screw 20 and the driving mechanism 21 are installed on the side, away from the sliding rod 100, of the supporting plate 10, so that the installation and debugging are more convenient.
As shown in fig. 1, the driving mechanism 21 includes a crank 210, a transmission shaft 211, and a first bevel gear 212 provided on the transmission shaft 211; a second bevel gear 200 corresponding to the first bevel gear 212 is arranged at the end part of the screw shaft of the first screw rod 20; the crank 210 drives the transmission shaft 211, and the transmission shaft 211 drives the first screw rods 20 to synchronously run simultaneously, so that the operation is simplified.
As shown in fig. 1, the number of the first screw rods 20 is even, and one first bevel gear 212 drives two first screw rods 20 to operate; the first screw rods 20 are symmetrically distributed on two sides of the transmission shaft 211, and one first bevel gear 212 on the transmission shaft 211 correspondingly adjusts the two first screw rods 20, so that the adjustment stability is good, and the synchronism is good.
As shown in fig. 1 and 2, the sliding rod 100 is provided with clamping pieces 103 corresponding to the conductive clips 101 one to one; the clamping member 103 includes a slide block 104 and an adjusting nut 105; the sliding block 104 is provided with a first through hole 106 corresponding to the sliding rod 100, a clamping convex block 107 and a first screw hole 108 or a second through hole 108 corresponding to the adjusting nut 105; the conductive clip 101 is provided with a second screw hole (not shown) corresponding to the adjusting nut 105 and a hook 110 corresponding to the clamping convex block 107; when the conductive clip 101 is installed, a second screw hole (not shown) on the conductive clip 101 is aligned with a hole on the clamping convex block 107, then the adjusting nut 105 is screwed, and the clamping hook 110 is clamped with the clamping convex block 107, so that the conductive clip is easy to install and disassemble, and has strong connection stability.
As shown in fig. 1 and 3, the battery compression plate 13 is provided at the upper end thereof with a plurality of compression buffers 130; the extrusion buffering member 130 comprises a base 131 fixed with the battery extrusion plate 13, a longitudinal supporting rod 132 fixedly connected with the base 131 and an elastic sheet 134 connected with a spring 133 on the side surface of the supporting rod 132, so that the battery is conveniently preliminarily clamped and positioned through the extrusion buffering member 130 when the battery is placed, the battery is prevented from being inclined, and the battery is not easily damaged through the spring 133 and the elastic sheet 134.
As shown in fig. 1 and 3, the elastic pieces 134 are concave or arc-shaped, and two of the squeezing bumpers 130 are disposed on two symmetrical surfaces of the supporting rod 132; the upper end of the elastic sheet 134 is rotatably connected with the upper end of the supporting rod 132, the lower end of the elastic sheet is fixedly connected with the supporting rod 132 or the base 131, and the middle section of the elastic sheet is connected with the supporting rod 132 through a spring 133; simple structure and good buffering effect.
As shown in fig. 1, a second screw 111 for driving the pressing plate 12 to move is disposed on the supporting plate 10; a driven wheel (not shown) is arranged at one end of the screw shaft of the second screw rod 111; the second driving device 3 comprises a driving motor 30 for driving a driven wheel (not shown in the figure) to rotate and a driving motor mounting plate 31 fixedly connected with the bottom plate 1; the driving motor 30 drives the second screw rod 111 to operate, so as to drive the pressing plate 12 to move, and the driving motor has high operation stability and reasonable structural layout.
As shown in fig. 1, the movable end of the driving motor 30 is provided with a driving wheel (not shown); a plurality of transmission gears (not shown) are provided on the support plate 10; the transmission stability is good, and the loosening condition is not easy to occur.
As shown in fig. 1 and 4, the side wall of the cell pressing plate 13 is provided with connecting posts 135, and adjacent connecting posts 135 are connected by a connecting piece 136; the connecting piece 136 is provided with a connecting hole (not shown) and a movable groove 138; the distance between the battery extrusion plates 13 is limited through the connecting sheets 136 during operation, so that the batteries are conveniently loaded.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. A battery hot-pressing formation device comprises a bottom plate; the device is characterized in that supporting plates are arranged at two ends of the upper surface of the bottom plate; the two support plates are fixedly connected through a plurality of guide rods; the guide rod is provided with two pressing plates and a plurality of battery extrusion plates positioned between the two pressing plates in a sliding manner; the supporting plate is also provided with a plurality of sliding rods parallel to the guide rods and a first driving device for driving the sliding rods to move towards the battery extrusion plate; the sliding rod is provided with a plurality of conductive clips; the second driving device is used for driving the pressing plate to operate; the first driving device comprises a plurality of first screw rods arranged on the supporting plate and a driving mechanism for driving the first screw rods; the first lead screws and the sliding rods are arranged in a one-to-one correspondence manner, and the first lead screw nuts are fixedly connected with the sliding rods; a sliding groove corresponding to the sliding rod is arranged on the supporting plate; the supporting plate is provided with a second screw rod for driving the pressing plate to operate; a driven wheel is arranged at one end of the second screw rod shaft; the second driving device comprises a driving motor for driving the driven wheel to rotate and a driving motor mounting plate fixedly connected with the bottom plate; the sliding rod is provided with clamping pieces which correspond to the conductive clamps one by one; the clamping piece comprises a sliding block and an adjusting nut; the sliding block is provided with a first through hole corresponding to the sliding rod, a clamping convex block and a first screw hole or a second through hole corresponding to the adjusting nut; the conductive clamp is provided with a second screw hole corresponding to the adjusting nut and a clamping hook corresponding to the clamping convex block.
2. The battery thermal compression molding apparatus of claim 1, wherein the drive mechanism includes a crank, a drive shaft, and a first bevel gear disposed on the drive shaft; and a second bevel gear corresponding to the first bevel gear is arranged at the end part of the first screw rod shaft.
3. The device as claimed in claim 2, wherein the number of the first lead screws is even, and one first bevel gear drives two first lead screws to operate.
4. The battery thermal compression molding device according to claim 1, wherein a plurality of compression buffers are provided at upper ends of the battery compression plates; the extrusion buffering piece comprises a base fixed with the battery extrusion plate, a longitudinal supporting rod fixedly connected with the base, and an elastic sheet connected with a spring on the side surface of the supporting rod.
5. The device according to claim 4, wherein the spring plate is concave or arc-shaped, and two of the extrusion buffers are arranged on the two symmetrical surfaces of the supporting rod respectively; the upper end of the elastic sheet is rotatably connected with the upper end of the supporting rod, the lower end of the elastic sheet is fixedly connected with the supporting rod or the base, and the middle section of the elastic sheet is connected with the supporting rod through the spring.
6. The battery thermal compression forming device according to claim 1, wherein the movable end of the driving motor is provided with a driving wheel; a plurality of transmission gears are arranged on the supporting plate.
7. The battery hot briquetting device of claim 1, wherein the side wall of the battery extrusion plate is provided with connecting columns, and adjacent connecting columns are connected through connecting pieces; and the connecting plate is provided with a connecting hole and a movable groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391272.2A CN107248593B (en) | 2017-05-27 | 2017-05-27 | Battery hot pressing becomes device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391272.2A CN107248593B (en) | 2017-05-27 | 2017-05-27 | Battery hot pressing becomes device |
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| Publication Number | Publication Date |
|---|---|
| CN107248593A CN107248593A (en) | 2017-10-13 |
| CN107248593B true CN107248593B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710391272.2A Active CN107248593B (en) | 2017-05-27 | 2017-05-27 | Battery hot pressing becomes device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210026486A (en) * | 2019-08-30 | 2021-03-10 | 주식회사 엘지화학 | Apparatus for charging and discharging secondary battery |
| CN110626789A (en) * | 2019-10-11 | 2019-12-31 | 深圳市新浦自动化设备有限公司 | Follow-up clamping device for battery formation clamp |
| KR20210051281A (en) * | 2019-10-30 | 2021-05-10 | 주식회사 엘지화학 | Sequentially pressurizable formation jig and formation method using the same |
| CN111532763A (en) * | 2020-07-06 | 2020-08-14 | 深圳市中基自动化有限公司 | Full-automatic high-temperature pressurizing clamp formation machine |
| CN111812367A (en) * | 2020-08-07 | 2020-10-23 | 深圳市瑞能创新科技有限公司 | Probe unit, needle bed structure and lithium battery detection formation equipment |
| CN112054234A (en) * | 2020-09-02 | 2020-12-08 | 珠海泰坦新动力电子有限公司 | Battery formation equipment and restraint tray thereof |
| CN114552033B (en) * | 2020-11-25 | 2023-12-15 | 致茂电子(苏州)有限公司 | Battery clamp with variable spacing and battery formation equipment with same |
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| CN103811817A (en) * | 2014-02-12 | 2014-05-21 | 宁德新能源科技有限公司 | Lithium ion battery hot-press formation clamp |
| CN103928712A (en) * | 2014-04-14 | 2014-07-16 | 东莞市德瑞精密设备有限公司 | Hot-pressing formation machine and formation method thereof |
| CN204793085U (en) * | 2015-07-30 | 2015-11-18 | 东莞市骏泰精密机械有限公司 | Heat of colding pressing becomes anchor clamps of colding pressing of machine |
| CN105826613A (en) * | 2016-05-06 | 2016-08-03 | 东莞市德瑞精密设备有限公司 | Power lithium battery formation clamp mechanism |
| CN205646010U (en) * | 2016-01-28 | 2016-10-12 | 宁德新能源科技有限公司 | Hot pressingization becomes anchor clamps |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH097582A (en) * | 1995-06-14 | 1997-01-10 | Shin Kobe Electric Mach Co Ltd | Battery jar forming method for sealed lead acid battery |
| CN102332610B (en) * | 2011-09-07 | 2014-01-29 | 东华大学 | Electrode clamp layout structure of battery lug in battery charging and discharging equipment and method |
| JP6037428B2 (en) * | 2012-03-28 | 2016-12-07 | 日本電気株式会社 | Secondary battery manufacturing method and manufacturing apparatus |
| CN105098255B (en) * | 2015-09-22 | 2017-08-29 | 河南环宇赛尔新能源科技有限公司 | Formation clamp for lithium ion battery with flexible packaging and utilize its battery formation method |
| CN106450363A (en) * | 2016-09-07 | 2017-02-22 | 东莞市德瑞精密设备有限公司 | Tab-pressing position adjustment mechanism for formation of flexibly-packaged lithium battery |
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2017
- 2017-05-27 CN CN201710391272.2A patent/CN107248593B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811817A (en) * | 2014-02-12 | 2014-05-21 | 宁德新能源科技有限公司 | Lithium ion battery hot-press formation clamp |
| CN103928712A (en) * | 2014-04-14 | 2014-07-16 | 东莞市德瑞精密设备有限公司 | Hot-pressing formation machine and formation method thereof |
| CN204793085U (en) * | 2015-07-30 | 2015-11-18 | 东莞市骏泰精密机械有限公司 | Heat of colding pressing becomes anchor clamps of colding pressing of machine |
| CN205646010U (en) * | 2016-01-28 | 2016-10-12 | 宁德新能源科技有限公司 | Hot pressingization becomes anchor clamps |
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| CN107248593A (en) | 2017-10-13 |
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Address after: 518000 floors 1 and 2, building B, No. 1 Guihua Road, tangxiayong third industrial zone, Songgang street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Shenzhen Zhongji Automation Co.,Ltd. Address before: 518000 floors 1 and 2, building B, No. 1 Guihua Road, tangxiayong third industrial zone, Songgang street, Bao'an District, Shenzhen, Guangdong Province Patentee before: SHENZHEN ZHONGJI AUTOMATION Co.,Ltd. |
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Effective date of registration: 20220401 Address after: 441000 plant 4 of Yongyu Electric Power Technology Co., Ltd., No. 8, Wuxi Road, Shenzhen Industrial Park, Liuji street, high tech Zone, Xiangyang City, Hubei Province (residence declaration) Patentee after: Xiangyang Zhongji Chuangzhan Intelligent Technology Co.,Ltd. Address before: 518000 floors 1 and 2, building B, No. 1 Guihua Road, tangxiayong third industrial zone, Songgang street, Bao'an District, Shenzhen, Guangdong Province Patentee before: Shenzhen Zhongji Automation Co.,Ltd. |