CN116598570B - Battery wrapping adhesive device - Google Patents
Battery wrapping adhesive device Download PDFInfo
- Publication number
- CN116598570B CN116598570B CN202310862081.5A CN202310862081A CN116598570B CN 116598570 B CN116598570 B CN 116598570B CN 202310862081 A CN202310862081 A CN 202310862081A CN 116598570 B CN116598570 B CN 116598570B
- Authority
- CN
- China
- Prior art keywords
- glue
- adhesive tape
- winding
- frame
- battery pack
- 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
- 239000000853 adhesive Substances 0.000 title claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 25
- 239000002390 adhesive tape Substances 0.000 claims abstract description 56
- 239000003292 glue Substances 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 11
- 238000003860 storage Methods 0.000 claims abstract description 8
- 239000012943 hotmelt Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002844 melting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000715 Mucilage Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/002—Hand-held or table apparatus
- B65H35/0026—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape
- B65H35/0033—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape and affixing it to a surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/37—Tapes
- B65H2701/377—Adhesive tape
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention belongs to the technical field of battery pack production equipment, and particularly relates to a battery pack winding adhesive device, which comprises the following components: the machine body assembly, the gluing assembly and the winding assembly; the machine body assembly comprises a frame, a glue winding table arranged in the middle of the frame, a material loading turntable arranged on the glue winding table and a servo motor arranged on the glue winding table and connected with the material loading turntable; the rubberizing subassembly set up in frame upper portion. According to the invention, through the gluing component and the glue winding component, the inclined adhesive tape on the adhesive tape roll is pressed onto the battery pack to wind the glue after the tape pressing head is driven by the electric telescopic rod, meanwhile, the glue in the adhesive tape storage tank is discharged onto the inclined adhesive tape from the glue outlet pipe, and the glue is injected immediately before the adhesive tape is wound and adhered to the battery pack, so that the adhesive tape is wrapped with the glue to fix the battery pack, even if the adhesive tape is aged for a long time, the glue can have a good fixing effect, and the stability of the battery pack is greatly improved.
Description
Technical Field
The invention relates to the technical field of battery pack production equipment, in particular to a battery pack winding glue device.
Background
The battery pack is a high-capacity battery pack formed by a plurality of batteries, can be put into use after a plurality of processing procedures such as assembly, wiring, glue winding and the like, is widely applied to various electronic equipment, and is increasingly applied to new energy automobiles in recent years.
The current battery package twines the mucilage binding and puts and generally adopts to fix the battery package, then encircles this production method of battery package winding with the adhesive tape roll after fixing, but the long-time life of adhesive tape roll can reduce gradually under the use, can't accomplish the fixed effect to the battery package like the initial time, especially laminate on the battery package that generates heat for a long time, and heat aging is faster, and fixed effect reduces then can lead to the battery package security relatively poor, easily appears short circuit or burning phenomenon.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
a battery wrapping adhesive device comprising: the machine body assembly, the gluing assembly and the winding assembly; the machine body assembly comprises a frame, a glue winding table arranged in the middle of the frame, a material loading turntable arranged on the glue winding table and a servo motor arranged on the glue winding table and connected with the material loading turntable; the gluing component is arranged on the upper part of the frame and comprises a hydraulic rod arranged in the middle of the frame, a pressing plate fixed on the driving end of the hydraulic rod, a rotating disc arranged in the middle of the bottom surface of the pressing plate, lateral connection plates arranged on two sides of the rotating disc, a rubber outlet pipe adjustably assembled on the lateral connection plates, and a rubber storage tank connected with the rubber outlet pipe through a pipeline and arranged on the frame; the adhesive winding assembly is arranged on two sides of the frame and comprises an electric lifting rod arranged on the frame, an adjusting shaft fixed on the driving end of the electric lifting rod, an adhesive tape rack arranged on the adjusting shaft, an adhesive tape roll sleeved on the adhesive tape rack, a bracket inserted on the adhesive tape rack, an electric telescopic rod arranged on the bracket, a belt pressing head fixed on the driving end of the electric telescopic rod, a hot melting knife arranged on the belt pressing head and a distance sensor arranged on the front face of the belt pressing head.
The present invention may be further configured in a preferred example to: the side joint plate is provided with a sliding rail, and the sliding rail is provided with a rail machine for installing the rubber outlet pipe.
The present invention may be further configured in a preferred example to: and an outlet of the rubber outlet pipe is arranged at a rubber winding position corresponding to the side edge of the battery pack.
The present invention may be further configured in a preferred example to: the belt pressing head comprises an inner fixed plate and an outer pressing plate, and the hot melt knife and the distance sensor are respectively arranged on the inner fixed plate and the outer pressing plate.
The present invention may be further configured in a preferred example to: the middle part of the belt pressing head is connected with a spring.
The present invention may be further configured in a preferred example to: and a slot positioned at the side of the hot melt knife is formed in one side of the outer pressing plate.
The present invention may be further configured in a preferred example to: and an adhesive pad is fixed on the outer side of the outer pressing plate.
The present invention may be further configured in a preferred example to: the adhesive tape roll is obliquely arranged on the adhesive tape frame.
The technical scheme of the invention has the following beneficial technical effects:
1. according to the invention, through the gluing component and the glue winding component, the inclined adhesive tape on the adhesive tape roll is pressed onto the battery pack to wind the glue after the tape pressing head is driven by the electric telescopic rod, meanwhile, the glue in the adhesive tape storage tank is discharged onto the inclined adhesive tape from the glue outlet pipe, and the glue is injected immediately before the adhesive tape is wound and adhered to the battery pack, so that the adhesive tape is wrapped with the glue to fix the battery pack, even if the adhesive tape is aged for a long time, the glue can have a good fixing effect, and the stability of the battery pack is greatly improved.
2. According to the invention, the adhesive tape can be preliminarily fixed by pressing by the tape pressing head, and finally, the pressure is continuously applied, so that the hot-melt knife is exposed to cut off the adhesive tape, the adhesive tape on the adhesive tape roll is still adhered to the adhesive pad, the next adhesive tape is directly pressed onto the battery pack, and the adhesive tape can be separated after being stressed too much, thereby greatly improving the practicability of the device.
Drawings
FIG. 1 is a cross-sectional view of a battery wrapping apparatus according to one embodiment of the present invention;
fig. 2 is a schematic view of a belt pressing head according to an embodiment of the present invention.
Reference numerals:
100. a body assembly; 110. a frame; 120. a glue winding table; 130. a material carrying rotary table; 140. a servo motor;
200. a sizing component; 210. a hydraulic rod; 220. a pressing plate; 230. a rotating disc; 240. a lateral connecting plate; 241. a slide rail; 242. a rail machine; 250. a rubber outlet pipe; 260. a glue storage tank;
300. a glue winding assembly; 310. an electric lifting rod; 320. an adjusting shaft; 330. an adhesive tape holder; 340. a roll of tape; 350. a bracket; 360. an electric telescopic rod; 370. a belt pressing head; 371. an inner fixing plate; 372. an outer pressure plate; 373. a spring; 374. slotting; 375. a sticky pad; 380. a hot melt knife; 390. a distance sensor.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
As shown in fig. 1-2, a battery wrapping adhesive device includes: the machine body assembly 100, the gluing assembly 200 and the winding assembly 300; the machine body assembly 100 comprises a frame 110, a glue winding table 120 arranged in the middle of the frame 110, a material carrying rotary table 130 arranged on the glue winding table 120, and a servo motor 140 arranged on the glue winding table 120 and connected with the material carrying rotary table 130, wherein the servo motor 140 drives the material carrying rotary table 130 to rotate so that a battery pack can rotate, and glue winding is facilitated.
The gluing assembly 200 is disposed on the upper portion of the frame 110, the gluing assembly 200 includes a hydraulic rod 210 mounted on the middle portion of the frame 110, a pressing plate 220 fixed on the driving end of the hydraulic rod 210, a rotating disc 230 disposed on the middle portion of the bottom surface of the pressing plate 220, side plates 240 mounted on two sides of the rotating disc 230, a glue outlet pipe 250 adjustably assembled on the side plates 240, a glue storage tank 260 connected to the glue outlet pipe 250 and mounted on the frame 110 through a pipeline, and part of glue is additionally added on the adhesive tape on the basis of the existing glue winding technology, so that the battery pack is fixed together with the adhesive tape.
Specifically, install slide rail 241 on the side joint board 240, just be equipped with on the slide rail 241 and supply the rail machine 242 that the rubber tube 250 was installed, the export of rubber tube 250 corresponds the setting of twining of battery package side, can adjust the position of rubber tube 250 through rail machine 242 on slide rail 241 for rubber tube 250 adjusts the battery package side of different specifications, goes to rubberizing before the sticky tape of slope twines goes, and the practicality is higher.
The adhesive winding assembly 300 is disposed on two sides of the frame 110, the adhesive winding assembly 300 includes an electric lifting rod 310 mounted on the frame 110, an adjusting shaft 320 fixed on the driving end of the electric lifting rod 310, an adhesive tape holder 330 mounted on the adjusting shaft 320, an adhesive tape roll 340 sleeved on the adhesive tape holder 330, a bracket 350 inserted on the adhesive tape holder 330, an electric telescopic rod 360 mounted on the bracket 350, a tape pressing head 370 fixed on the driving end of the electric telescopic rod 360, a hot melt knife 380 mounted on the tape pressing head 370 and a distance sensor 390 disposed on the front face of the tape pressing head 370, the adhesive tape inclined on the adhesive tape roll 340 can be pressed on a battery pack for winding after the electric telescopic rod 360 drives the tape pressing head 370, meanwhile, the adhesive tape in the adhesive tape storage tank 260 is discharged onto the inclined adhesive tape from the outlet 250, and is injected instantly before the adhesive tape is wound on the battery pack, so that the adhesive tape is fixed for a long time, and the stability of the battery pack is improved.
Specifically, the belt pressing head 370 includes an inner fixing plate 371 and an outer pressing plate 372, and the hot-melting knife 380 and the distance sensor 390 are respectively disposed on the inner fixing plate 371 and the outer pressing plate 372, and a spring 373 is connected to the middle of the belt pressing head 370, so that the belt pressing head 370 can be exposed out of the hot-melting knife 380 to cut off the adhesive tape after being further stressed, and the degree of automation is high.
Further, a slot 374 is formed on one side of the outer pressing plate 372 and located on the hot-melt knife 380, and the broken adhesive tape can be prevented from contacting the adhesive pad 375 by the slot 374, and is also convenient for the adhesive tape to be directly separated from the break opening.
On the other hand, the outside of the outer pressing plate 372 is fixed with the adhesive pad 375, so that the adhesive tape on the adhesive tape roll 340 still adheres to the adhesive pad 375, the next adhesive winding is directly pressed onto the battery pack, the battery pack is separated after being stressed too much, manual intervention is not needed, and the degree of automation is high.
It should be noted that, the adhesive tape roll 340 is obliquely disposed on the adhesive tape holder 330, and the adhesive tape roll 340 can adjust the inclination angle by using the adjusting shaft 320, but the adhesive tape discharged from the adhesive tube 250 needs to be dropped on the adhesive tape in the inclined state, so that the adhesive effect is better.
The working principle and the using flow of the invention are as follows: firstly, a battery pack with winding glue is placed on a carrying turntable 130, then a hydraulic rod 210 drives a pressing plate 220 to press down, so that a rotating disc 230 presses the battery pack, meanwhile, a track machine 242 moves on a sliding rail 241, a glue outlet pipe 250 is adjusted to the side face of the battery pack, then the height of a tape roll 340 is adjusted through an electric lifting rod 310, the heights of two groups of glue winding assemblies 300 are different, the synchronous operation improves the glue winding efficiency, when the glue is wound, an electric telescopic rod 360 drives a tape pressing head 370 to press the end part of the tape roll 340 on the battery pack, then a servo motor 140 drives the carrying turntable 130 to rotate, meanwhile, the glue in a glue storage tank 260 is discharged onto the tape through a glue outlet pipe 250, so that the tape is wound on the battery pack, the winding position is properly changed through lifting of the electric lifting rod 310 in the winding process, after the glue winding is completed, the tape pressing head 370 is continuously pressurized through the electric telescopic rod 360, so that a hot melt knife 380 leaks out to cut off the tape, and the glue is repeatedly wound.
It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. A battery wrapping adhesive device, comprising: the machine body component (100), the gluing component (200) and the winding component (300),
the machine body assembly (100) comprises a machine frame (110), a glue winding table (120) arranged in the middle of the machine frame (110), a material loading rotary table (130) arranged on the glue winding table (120) and a servo motor (140) arranged on the glue winding table (120) and connected with the material loading rotary table (130);
the gluing assembly (200) is arranged at the upper part of the frame (110), the gluing assembly (200) comprises a hydraulic rod (210) arranged at the middle part of the frame (110), a pressing plate (220) fixed at the driving end of the hydraulic rod (210), a rotating disc (230) arranged at the middle part of the bottom surface of the pressing plate (220), side plates (240) arranged at two sides of the rotating disc (230), a rubber outlet pipe (250) adjustably assembled on the side plates (240), and a rubber storage tank (260) connected with the rubber outlet pipe (250) and arranged on the frame (110) through a pipeline;
the outlet of the rubber outlet pipe (250) is arranged at a rubber winding position corresponding to the side edge of the battery pack;
the adhesive winding assemblies (300) are arranged on two sides of the frame (110), each adhesive winding assembly (300) comprises an electric lifting rod (310) arranged on the frame (110), an adjusting shaft (320) fixed on the driving end of each electric lifting rod (310), an adhesive tape holder (330) arranged on each adjusting shaft (320), adhesive tape rolls (340) sleeved on each adhesive tape holder (330), a bracket (350) inserted on each adhesive tape holder (330), an electric telescopic rod (360) arranged on each bracket (350), a tape pressing head (370) fixed on the driving end of each electric telescopic rod (360), a hot melt knife (380) arranged on each tape pressing head (370) and a distance sensor (390) arranged on the front face of each tape pressing head (370); the tape roll (340) is obliquely disposed on the tape holder (330).
2. The battery wrapping adhesive device according to claim 1, wherein a slide rail (241) is mounted on the side board (240), and a rail machine (242) for mounting the rubber outlet pipe (250) is mounted on the slide rail (241).
3. The battery wrapping adhesive device according to claim 1, wherein the belt pressing head (370) comprises an inner fixed plate (371) and an outer pressing plate (372), and the hot-melt knife (380) and the distance sensor (390) are respectively arranged on the inner fixed plate (371) and the outer pressing plate (372).
4. A battery wrapping adhesive device according to claim 3, characterized in that a spring (373) is connected to the middle of the press belt head (370).
5. A battery wrapping adhesive device according to claim 3, characterized in that a slot (374) on the side of the hot-melt knife (380) is provided on one side of the outer pressing plate (372).
6. The battery wrapping adhesive device according to claim 5, wherein an adhesive pad (375) is fixed to the outer side of the outer pressing plate (372).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310862081.5A CN116598570B (en) | 2023-07-14 | 2023-07-14 | Battery wrapping adhesive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310862081.5A CN116598570B (en) | 2023-07-14 | 2023-07-14 | Battery wrapping adhesive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116598570A CN116598570A (en) | 2023-08-15 |
| CN116598570B true CN116598570B (en) | 2023-09-12 |
Family
ID=87608406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310862081.5A Active CN116598570B (en) | 2023-07-14 | 2023-07-14 | Battery wrapping adhesive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116598570B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241710A (en) * | 2014-08-19 | 2014-12-24 | 宁波倍特瑞能源科技有限公司 | Improved cell glue injection device |
| CN106315315A (en) * | 2016-08-17 | 2017-01-11 | 北京航空航天大学 | Control system for automatic adhesive winding device for embedded part |
| CN206370467U (en) * | 2016-11-08 | 2017-08-01 | 深圳市锐博精创科技有限公司 | Battery end twines glue machine |
| KR20210004102A (en) * | 2019-07-03 | 2021-01-13 | 주식회사 엘지화학 | Secondary battery |
| CN112456215A (en) * | 2020-11-19 | 2021-03-09 | 汤文杰 | Battery tip rubber coating is with twining gluey and cutting device |
| CN214336806U (en) * | 2020-10-13 | 2021-10-01 | 新余赣锋电子有限公司 | Button cell |
| CN216288596U (en) * | 2021-11-22 | 2022-04-12 | 黄魁 | Battery rubber coating and rubber winding automation equipment |
| CN218849550U (en) * | 2022-11-24 | 2023-04-11 | 格力钛新能源股份有限公司 | Battery rubber coating device |
-
2023
- 2023-07-14 CN CN202310862081.5A patent/CN116598570B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241710A (en) * | 2014-08-19 | 2014-12-24 | 宁波倍特瑞能源科技有限公司 | Improved cell glue injection device |
| CN106315315A (en) * | 2016-08-17 | 2017-01-11 | 北京航空航天大学 | Control system for automatic adhesive winding device for embedded part |
| CN206370467U (en) * | 2016-11-08 | 2017-08-01 | 深圳市锐博精创科技有限公司 | Battery end twines glue machine |
| KR20210004102A (en) * | 2019-07-03 | 2021-01-13 | 주식회사 엘지화학 | Secondary battery |
| CN214336806U (en) * | 2020-10-13 | 2021-10-01 | 新余赣锋电子有限公司 | Button cell |
| CN112456215A (en) * | 2020-11-19 | 2021-03-09 | 汤文杰 | Battery tip rubber coating is with twining gluey and cutting device |
| CN216288596U (en) * | 2021-11-22 | 2022-04-12 | 黄魁 | Battery rubber coating and rubber winding automation equipment |
| CN218849550U (en) * | 2022-11-24 | 2023-04-11 | 格力钛新能源股份有限公司 | Battery rubber coating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116598570A (en) | 2023-08-15 |
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