CN221077563U - Device for CCD calibration of winding process - Google Patents
Device for CCD calibration of winding process Download PDFInfo
- Publication number
- CN221077563U CN221077563U CN202322859905.1U CN202322859905U CN221077563U CN 221077563 U CN221077563 U CN 221077563U CN 202322859905 U CN202322859905 U CN 202322859905U CN 221077563 U CN221077563 U CN 221077563U
- Authority
- CN
- China
- Prior art keywords
- calibration
- ccd
- winding process
- telescopic rod
- plate
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 36
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a device for CCD calibration in a winding process, and belongs to the technical field of lithium battery manufacturing. The CCD calibration device comprises two symmetrically arranged fixed clamping jaws, wherein the two fixed clamping jaws are connected through a positionable telescopic assembly, and a CCD calibration piece is arranged on the telescopic assembly. The winding needle does not need to be removed in the calibration process, and the installation and the use are convenient and quick; the second calibration plate angle can be adjusted, satisfies the pole piece of different pan feeding angles and all can be parallel with the second calibration plate, guarantees the reliability of calibration.
Description
Technical Field
The utility model belongs to the technical field of lithium battery manufacturing, and relates to a device for CCD calibration in a winding process.
Background
Along with the proposal of carbon reaching peaks and carbon neutralization targets, renewable energy sources represented by photovoltaics and wind power are strategically highlighted, and energy storage is also rapidly developed as a key technology for supporting the development of renewable energy sources.
At present, the battery core manufacturing mode of the energy storage battery is provided with two modes of winding and lamination, and the separator supernegative electrode and the negative electrode superpositive electrode Overhang are required to be ensured in the winding process, so that the possibility that the positive electrode and the negative electrode of the battery core are not contacted can be ensured, and the lithium separation risk is reduced. However, in the current step, the CCD camera is directly used without calibration due to frequent mold changing, or a film is attached to a pole piece for calibration, and the whole process is complicated and the reliability is not high due to the narrow space near the turret and the fact that the direction of the film is possibly not parallel to the pole piece. Accordingly, a solution to the above-described problems is needed.
Disclosure of utility model
The object of the present utility model is to address the above problems by providing a device for CCD calibration in a winding process.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The device for CCD calibration of the winding process comprises two symmetrically arranged fixed clamping jaws, wherein the two fixed clamping jaws are connected through a positionable telescopic assembly, and a CCD calibration piece is arranged on the telescopic assembly.
The flexible adjustment can be carried out according to the width length of the outer needle of the winding needle to the clampable fixed distance between two fixed clamping jaws, and strong adaptability, easy dismounting need not demolish the winding needle and installs, and CCD calibration piece calibration precision is high, has guaranteed the reliability of calibration.
In the device for CCD calibration in the winding process, the CCD calibration piece is connected with the telescopic component through the transverse moving component.
The CCD calibration piece can move on the telescopic component through the transverse moving component, so that the CCD calibration piece can calibrate the position conveniently.
In the device for CCD calibration of the winding process, the telescopic assembly comprises at least one telescopic rod, two ends of the telescopic rod are respectively connected with the two fixed clamping jaws, the CCD calibration piece is connected with the telescopic rod through the transverse moving assembly, and the telescopic rod is provided with the length limiting structure.
The two fixed clamping jaws are connected through at least one telescopic rod, the telescopic rod is telescopic to change the clampable fixed distance between the two fixed clamping jaws, the adaptability is strong, the disassembly and assembly of the fixed clamping jaws are convenient, the CCD calibration piece can move on the telescopic rod through the transverse moving assembly, the calibration position of the CCD calibration piece is convenient, and the length limiting structure is used for providing clamping force for the two fixed clamping jaws, and the fixed clamping jaws are clamped at two ends of the outer needle of the winding needle to fix.
In the above device for CCD calibration in winding process, the length limiting structure comprises an elastic member arranged in the telescopic rod.
The elastic component can provide the elasticity that resets for the fixed clamping jaw that is located both ends when the telescopic link is tensile for fixed clamping jaw is fixed at the outer needle both ends of rolling up the needle, and is fixed firm, and the dismouting is convenient.
In the device for calibrating the CCD in the winding process, the transverse moving assembly comprises the transverse moving sleeve, the transverse moving sleeve is sleeved on the telescopic rods and is movably connected with the telescopic rods, the transverse moving sleeve is fixedly connected with the CCD calibration piece, and the telescopic rods are two and parallel to each other.
The traversing movable sleeve on the CCD calibration piece can flexibly slide on the telescopic rod, so that the CCD calibration piece can calibrate the position conveniently.
In the device for CCD calibration in the winding process, the CCD calibration member comprises a first calibration plate, the first calibration plate is connected with a second calibration plate through a connecting plate, and the first calibration plate is perpendicular to the connecting plate.
In the device for calibrating the CCD in the winding process, the second calibration plate is connected with the connecting plate through a positioning hinge.
The second calibration plate can flexibly rotate according to the feeding angle of the pole piece through the positioning hinge to meet different requirements, the second calibration plate can be ensured to be parallel to the pole piece, the calibration precision is ensured, and the operation is convenient.
In the device for calibrating the CCD in the winding process, a rotation angle prompting component is further arranged between the second calibration plate and the connecting plate.
In the rotation process of the second calibration plate, the rotating angle prompt assembly can be referred to for accurate rotation, so that pole pieces with different feeding angles can be parallel to the second calibration plate, and the reliability of calibration is guaranteed.
In the device for calibrating the CCD in the winding process, the telescopic rod is cylindrical, and the appearance of the transverse moving sleeve is matched with the telescopic rod.
In the device for calibrating the CCD in the winding process, the first calibration plate and the second calibration plate are provided with a plurality of through holes.
The through holes on the first calibration plate and the second calibration plate facilitate calibration measurements.
Compared with the prior art, the utility model has the advantages that: 1. the winding needle does not need to be removed in the calibration process, and the installation and the use are convenient and quick. 2. The second calibration plate angle can be adjusted, satisfies the pole piece of different pan feeding angles and all can be parallel with the second calibration plate, guarantees the reliability of calibration.
Drawings
FIG. 1 is a schematic diagram of the installation of an apparatus for CCD calibration of a winding process on a cell winder;
fig. 2 is a schematic structural view of the CCD calibration member.
In the figure, a fixed clamping jaw 1, a telescopic component 2, a CCD (charge coupled device) calibration piece 3, a traversing component 4, a telescopic rod 5, a length limiting structure 6, a traversing movable sleeve 7, a first calibration plate 8, a connecting plate 9, a second calibration plate 10, a positioning hinge 11, a pole piece 12, a needle rolling outer needle 13 and a front locking die 14.
Detailed Description
As shown in fig. 1 and 2, a device for calibrating a CCD in a winding process comprises two symmetrically arranged fixed clamping jaws 1, wherein the two fixed clamping jaws 1 are connected through a positionable telescopic assembly 2, and a CCD calibration member 3 is arranged on the telescopic assembly 2.
In the utility model, two fixed clamping jaws 1 can be stretched to the length of the width of a rolling needle outer needle 13 through a telescopic component 2, the fixed clamping jaws 1 clamp the rolling needle and then adjust the position of a CCD calibration piece 3 for calibration operation, and a front clamping die 14 is used for fixing the rolling needle inner needle 15;
the flexible adjustment can be carried out according to the width length of the outer needle 13 of the winding needle to the clampable fixed distance between two fixed clamping jaws 1, and strong adaptability, easy dismounting need not demolish the winding needle, and CCD calibration piece 3 calibration precision is high, has guaranteed the reliability of calibration.
Specifically, as shown in connection with fig. 1 and 2, the CCD alignment member 3 is connected to the telescopic member 2 via the traversing member 4.
The CCD calibration member 3 can move on the telescopic assembly 2 through the transverse moving assembly 4, so that the CCD calibration member 3 can be conveniently aligned.
Specifically, referring to fig. 1 and 2, the telescopic assembly 2 includes at least one telescopic rod 5, two ends of the telescopic rod 5 are respectively connected with two fixed clamping jaws 1, the CCD calibration member 3 is connected with the telescopic rod 5 through the traversing assembly 4, and the telescopic rod 5 is provided with a length limiting structure 6.
The two fixed clamping jaws 1 are connected through at least one telescopic rod 5, the telescopic rod 5 is telescopic to change the clampable fixed distance between the two fixed clamping jaws 1, the adaptability is strong, the disassembly and assembly of the fixed clamping jaws 1 are convenient, the CCD calibration piece 3 can move on the telescopic rod 5 through the transverse moving assembly 4, the calibration position of the CCD calibration piece 3 is convenient, the length limiting structure 6 is used for providing clamping force for the two fixed clamping jaws 1, and the fixed clamping jaws 1 are clamped at two ends of the outer needle 13 of the winding needle to be fixed.
Specifically, as shown in connection with fig. 1 and 2, the length limiting structure 6 includes an elastic member provided in the telescopic rod 5.
When the telescopic rod 5 stretches, the elastic piece can provide reset elastic force for the fixed clamping jaw 1 positioned at two ends, so that the fixed clamping jaw 1 is fixed at two ends of the outer needle 13 of the winding needle, and the winding needle is firm in fixation and convenient to assemble and disassemble.
Specifically, referring to fig. 1 and 2, the traversing assembly 4 includes a traversing movable sleeve 7, the traversing movable sleeve 7 is sleeved on the telescopic rod 5 and movably connected with the telescopic rod, the traversing movable sleeve 7 is fixedly connected with the CCD calibration member 3, and the telescopic rods 5 are two and parallel to each other.
The traversing movable sleeve 7 on the CCD calibration piece 3 can flexibly slide on the telescopic rod 5, so that the CCD calibration piece 3 can be conveniently calibrated in position.
Specifically, as shown in fig. 1 and 2, the CCD calibration member 3 includes a first calibration plate 8, the first calibration plate 8 being connected to a second calibration plate 10 via a connection plate 9, the first calibration plate 8 being perpendicular to the connection plate 9.
Specifically, as shown in connection with fig. 1 and 2, the second alignment plate 10 is connected to the connection plate 9 by a positioning hinge 11.
The second calibration plate 10 can flexibly rotate according to the feeding angle of the pole piece 12 through the positioning hinge 11 so as to meet different requirements, the second calibration plate 10 can be ensured to be parallel to the pole piece 12, the calibration precision is ensured, and the operation is convenient.
Preferably, a rotation angle prompting component is further arranged between the second calibration plate 10 and the connecting plate 9.
In the rotation process of the second calibration plate 10, the rotating angle prompt assembly can be referred to for accurate rotation, and the pole pieces 12 meeting different feeding angles can be parallel to the second calibration plate 10, so that the reliability of calibration is ensured.
Specifically, as shown in fig. 1 and 2, the telescopic rod 5 is cylindrical, and the shape of the traversing movable sleeve 7 is adapted to the telescopic rod 5.
Specifically, as shown in fig. 1 and 2, the first calibration plate 8 and the second calibration plate 10 are provided with a plurality of through holes.
The through holes in the first calibration plate 8 and the second calibration plate 10 facilitate calibration measurements.
As shown in fig. 1 and 2, a method for CCD calibration in a roll-to-roll process includes the steps of:
S1, before calibration, firstly, mounting positive and negative electrode plates 12 on an outer needle 13 of a winding needle, then starting a winding machine to wind, and suspending winding after the outer needle is wound into a bare cell with a certain thickness;
S2, fixing the device, installing a device for CCD calibration of a winding process, and respectively fixing the fixing clamping jaws 1 at two ends of an outer needle to finish fixing;
s3, calibrating and positioning, namely moving the CCD calibration piece 3 to the end part of the pole piece 12;
S4, CCD calibration is carried out, and CCD photographing is started to carry out calibration operation;
s5, disassembling the device, namely disassembling the device by taking down the fixed clamping jaw 1.
Specifically, as shown in fig. 1 and 2, in step S2, the fixing jaw 1 is fixed at both ends of the outer needle by elastic force;
In step S3, the first calibration plate 8 of the CCD calibration piece 3 is adjusted in position, moved to the end of the pole piece 12, and then the second calibration plate 10 is rotated so as to be parallel to the pole piece 12.
The two fixed clamping jaws 1 can be firmly fixed at the two ends of the outer needle through elasticity, and the disassembly and the assembly are convenient; the first calibration plate 8 can move on the telescopic rod 5 to move to the end part of the stage sheet 12, and then the second calibration plate 10 is rotated to be parallel to the pole sheet 12, so that the pole sheets 12 meeting different feeding angles can be parallel to the second calibration plate 10, and the reliability of calibration is ensured.
The working principle of the utility model is as follows: the two fixing clamping jaws 1 can be stretched to the length of the width of the outer needle 13 of the winding needle through the telescopic component 2, the fixing clamping jaws 1 clamp the winding needle and then adjust the position of the CCD calibration piece 3 for calibration operation, and the front clamping die 14 is used for fixing the inner needle 15 of the winding needle; the flexible adjustment of the clampable fixed distance between the two fixed clamping jaws 1 can be realized according to the width length of the outer needle 13 of the winding needle, the adaptability is strong, the dismounting is convenient, the winding needle is not required to be dismounted, the calibration precision of the CCD calibration piece 3 is high, and the reliability of the calibration is ensured;
The CCD calibration piece 3 can move on the telescopic assembly 2 through the transverse moving assembly 4, so that the CCD calibration piece 3 can calibrate the position conveniently;
The two fixed clamping jaws 1 are connected through at least one telescopic rod 5, the telescopic rod 5 can be telescopic to change the clampable fixed distance between the two fixed clamping jaws 1, the adaptability is strong, the fixed clamping jaws 1 are convenient to disassemble and assemble, the CCD calibration piece 3 can move on the telescopic rod 5 through the transverse moving assembly 4, the CCD calibration piece 3 is convenient to calibrate the position, the length limiting structure 6 is used for providing clamping force for the two fixed clamping jaws 1, and the fixed clamping jaws 1 are clamped at two ends of the outer needle 13 of the winding needle to be fixed;
When the telescopic rod 5 stretches, the elastic piece can provide reset elastic force for the fixed clamping jaw 1 at two ends, so that the fixed clamping jaw 1 is fixed at two ends of the outer needle 13 of the winding needle, and the fixed clamping jaw is firm in fixation and convenient to assemble and disassemble;
The transverse moving sleeve 7 on the CCD calibration piece 3 can flexibly slide on the telescopic rod 5, so that the CCD calibration piece 3 can calibrate the position conveniently;
The second calibration plate 10 can flexibly rotate according to the feeding angle of the pole piece 12 through the positioning hinge 11 so as to meet different requirements, the second calibration plate 10 can be ensured to be parallel to the pole piece 12, the calibration precision is ensured, and the operation is convenient;
in the rotation process of the second calibration plate 10, the rotating angle prompt assembly can be referred to for accurate rotation, so that the pole pieces 12 with different feeding angles can be parallel to the second calibration plate 10, and the reliability of calibration is ensured;
Before calibration, firstly, the positive and negative pole pieces 12 are mounted on the outer needle 13 of the winding needle, then a winding machine is started for winding, and the winding is stopped after the outer needle is wound into a bare cell with a certain thickness; fixing clamping jaws 1 are respectively fixed at two ends of an outer needle to finish fixation; moving the CCD calibration member 3 to the end of the pole piece 12; starting CCD photographing to perform calibration operation; the disassembly is completed by taking down the fixed clamping jaw 1;
the two fixed clamping jaws 1 can be firmly fixed at the two ends of the outer needle through elasticity, and the disassembly and the assembly are convenient; the first calibration plate 8 can move on the telescopic rod 5 to move to the end part of the stage sheet 12, and then the second calibration plate 10 is rotated to be parallel to the pole sheet 12, so that the pole sheets 12 meeting different feeding angles can be parallel to the second calibration plate 10, and the reliability of calibration is ensured.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the stationary jaw 1, the telescopic assembly 2, the CCD corrector 3, the traversing assembly 4, the telescopic rod 5, the length limiting structure 6, the traversing movable sleeve 7, the first correcting plate 8, the connecting plate 9, the second correcting plate 10, the positioning hinge 11, the pole piece 12, the outer needle 13 of the winding needle, the front mold 14, etc. are used more herein, these terms are used only for convenience in describing and explaining the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The device for CCD calibration in the winding process is characterized by comprising two symmetrically arranged fixed clamping jaws (1), wherein the two fixed clamping jaws (1) are connected through a positionable telescopic assembly (2), and a CCD calibration piece (3) is arranged on the telescopic assembly (2).
2. Device for CCD calibration of winding process according to claim 1, characterized in that the CCD calibration member (3) is connected to the telescopic member (2) by means of a traversing member (4).
3. Device for CCD calibration in winding process according to claim 2, characterized in that said telescopic assembly (2) comprises at least one telescopic rod (5), said telescopic rod (5) being connected at both ends to two fixed jaws (1) respectively, said CCD calibration member (3) being connected to said telescopic rod (5) by means of a traversing assembly (4), said telescopic rod (5) being provided with a length limiting structure (6).
4. A device for CCD calibration of a winding process according to claim 3, characterized in that said length limiting structure (6) comprises elastic elements arranged in a telescopic rod (5).
5. A device for calibrating a CCD for a winding process according to claim 3, wherein the traversing assembly (4) comprises traversing sleeves (7), the traversing sleeves (7) are sleeved on the telescopic rods (5) and are movably connected with the telescopic rods, the traversing sleeves (7) are fixedly connected with the CCD calibrating member (3), and the telescopic rods (5) are two and parallel to each other.
6. Device for CCD calibration of a winding process according to any one of claims 1-5, characterized in that the CCD calibration member (3) comprises a first calibration plate (8), said first calibration plate (8) being connected to a second calibration plate (10) by means of a connection plate (9), said first calibration plate (8) being perpendicular to the connection plate (9).
7. Device for CCD calibration of winding process according to claim 6, characterized in that said second calibration plate (10) is connected to the connection plate (9) by means of a positioning hinge (11).
8. Device for CCD calibration of winding process according to claim 6, characterized in that between the second calibration plate (10) and the connection plate (9) there is also a rotation angle indicating assembly.
9. Device for CCD calibration of winding process according to claim 5, characterized in that said telescopic rod (5) is cylindrical and in that the profile of said traversing movable sleeve (7) is adapted to the telescopic rod (5).
10. Device for CCD calibration according to claim 6, characterized in that said first (8) and second (10) calibration plates are provided with through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859905.1U CN221077563U (en) | 2023-10-24 | 2023-10-24 | Device for CCD calibration of winding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859905.1U CN221077563U (en) | 2023-10-24 | 2023-10-24 | Device for CCD calibration of winding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221077563U true CN221077563U (en) | 2024-06-04 |
Family
ID=91263579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322859905.1U Active CN221077563U (en) | 2023-10-24 | 2023-10-24 | Device for CCD calibration of winding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221077563U (en) |
-
2023
- 2023-10-24 CN CN202322859905.1U patent/CN221077563U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109230721B (en) | Battery cell blanking device | |
| WO2023071763A1 (en) | Electrode sheet wrinkling detection apparatus and battery cell production equipment | |
| CN221077563U (en) | Device for CCD calibration of winding process | |
| CN108717958B (en) | Battery cell film coating machine | |
| CN204707215U (en) | A kind of testing apparatus of high-pixel camera head | |
| CN114061531B (en) | Transmission shaft axiality detection device | |
| CN117047356B (en) | Tab welding positioning device for vehicle-mounted battery production | |
| CN116213500B (en) | Tab shaping device, tab shaping method and battery production device | |
| CN208570815U (en) | A kind of square electric cell film-making winding apparatus | |
| CN114188590B (en) | Soft knot cell shaping device of button lithium battery sheet-making winder | |
| CN107634269B (en) | Tab rubberizing machine | |
| CN214086423U (en) | Correcting device for transmission of small battery pack | |
| CN214292817U (en) | Hub cover assembly component of wind turbine generator | |
| CN210721581U (en) | Electric power inspection device | |
| CN221552073U (en) | Lithium battery module fixing box | |
| CN208716522U (en) | Pole piece conveying device and laser die cutting machine | |
| CN217954274U (en) | A electric core utmost point ear side detection device for square lithium cell | |
| CN215659828U (en) | Clamp for pole piece lamination device of lithium battery | |
| CN219324906U (en) | Lithium battery tab installation welding device with firm material fixation | |
| CN216529011U (en) | Rubberizing mechanism and lithium battery production equipment | |
| CN219768047U (en) | Lug positioning clamp of nickel-metal hydride battery | |
| CN114660673B (en) | Leakage detection equipment for assembling wiring terminal | |
| CN220271534U (en) | Detection device | |
| CN216312000U (en) | High efficiency lithium cell rolls over utmost point ear device | |
| CN219203243U (en) | Battery cell winding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |