CN217387262U - Tab dislocation adjusting structure - Google Patents
Tab dislocation adjusting structure Download PDFInfo
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- CN217387262U CN217387262U CN202220517527.1U CN202220517527U CN217387262U CN 217387262 U CN217387262 U CN 217387262U CN 202220517527 U CN202220517527 U CN 202220517527U CN 217387262 U CN217387262 U CN 217387262U
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- pole piece
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- laser cutting
- smoothing
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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
- 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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Abstract
The utility model relates to a utmost point ear dislocation adjustment structure, including unwinding mechanism, thickness measurement mechanism, laser cutting mechanism, CCD detection mechanism and around the reel, the pole piece unreels to thickness measurement mechanism from unwinding mechanism, thickness measurement mechanism detects the thickness of pole piece and calculates the difference with standard thickness pole piece, feed back this difference to laser cutting mechanism, laser cutting mechanism cuts the pole piece according to the difference, form the trapezium structure of equidistance on the pole piece, and carry it to forming electric core around the reel formation, the utmost point ear that CCD detection mechanism detected electric core aligns. Above-mentioned utmost point ear dislocation adjustment structure, thickness measurement mechanism when detecting the difference of pole piece and standard thickness pole piece, send signal to laser cutting mechanism, laser cutting mechanism cuts the pole piece according to the difference, forms the trapezium structure of equidistance on the pole piece to the thickness of adjustment pole piece guarantees that the pole piece is around the electric core after the roll forming, and anodal ear and negative pole utmost point ear align, and the quality of electric core obtains guaranteeing, reduces the defective rate of electric core.
Description
Technical Field
The utility model belongs to the technical field of lithium cell production technique and specifically relates to a utmost point ear dislocation adjustment structure is related to.
Background
With the rapid development of the lithium battery industry, the requirement on the production efficiency of the battery cell is higher and higher. However, in the production process of the battery core forming, the thickness of the pole piece used for forming the battery core by winding is relatively thin, and the thickness of the pole piece cannot be kept completely consistent, so that an error value exists in the thickness of the pole piece, and the error exists in the thickness of the pole piece, so that the pole piece is misplaced in the process of winding forming, and the battery core is easily scrapped due to large dislocation amount of the pole piece, and the qualified rate of the battery core winding forming product is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned problem and a utmost point ear dislocation adjustment structure that provides, including unwinding mechanism, thickness measurement mechanism, laser cutting mechanism, CCD detection mechanism and around the spool, the pole piece is followed unwinding mechanism unreels extremely thickness measurement mechanism, thickness measurement mechanism detects the thickness of pole piece and calculates the difference with standard thickness pole piece, with this difference feedback extremely laser cutting mechanism, laser cutting mechanism cuts the pole piece according to the difference, forms the trapezium structure of equidistance on the pole piece to carry it extremely form electric core around the spool winding, CCD detection mechanism detects the utmost point ear alignment of electric core.
As a preferred solution, a smoothing mechanism is further provided, which is aligned with the winding reel.
As a preferred technical scheme, the CCD detection mechanism comprises a support, a camera and an annular light source, wherein the camera and the annular light source are arranged on the support, and the camera and the annular light source are coaxially arranged.
As a preferred technical scheme, a motor is further arranged on the CCD detection mechanism and drives the support to move.
As a preferable technical solution, the smoothing mechanism includes a smoothing driving structure and a smoothing plate, and the smoothing driving structure drives the smoothing plate to move.
The beneficial effects of the utility model reside in that: above-mentioned utmost point ear dislocation adjustment structure, thickness measuring mechanism detect the difference of pole piece and standard thickness pole piece when, send signal to laser cutting mechanism, and laser cutting mechanism cuts the pole piece according to the difference, forms the trapezium structure of equidistance on the pole piece to the thickness of adjustment pole piece guarantees that the pole piece is all alignd around the electric core after the roll forming in, and positive pole utmost point ear and negative pole utmost point ear make the quality of electric core obtain guaranteeing, reduces the defective index of electric core.
Drawings
Fig. 1 is a schematic structural view of a tab dislocation adjustment structure according to the present invention;
fig. 2 is a schematic structural view of the tab after being cut according to the present invention;
fig. 3 is a schematic structural diagram of the CCD detection mechanism according to the present invention.
Detailed Description
The invention will be further elucidated with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, a tab dislocation adjusting structure comprises an unwinding mechanism 1, a thickness measuring mechanism 2, a laser cutting mechanism 3, a CCD detecting mechanism 4, a winding shaft 5 and a smoothing mechanism 6, wherein a pole piece a is unwound from the unwinding mechanism 1 and is transmitted to the thickness measuring mechanism 2, the thickness measuring mechanism 2 detects the thickness of the pole piece a and calculates the difference value with a standard thickness pole piece, the difference value is fed back to the laser cutting mechanism 3, the laser cutting mechanism 3 moves up and down according to the difference value and the pole piece transmission speed, cuts the pole piece to form a trapezoidal structure with different intervals on the pole piece, and transmits the trapezoidal structure to the winding shaft 5 to be wound to form a battery cell, the CCD detecting mechanism 4 detects whether a positive electrode tab and a negative electrode tab on the battery cell are aligned when the pole piece is wound, if the positive electrode tab and the negative electrode tab exceed a rated error value, the smoothing mechanism 6 smoothes the battery cell, so as to ensure the position of the pole ear of the battery cell at the rated position.
The distance between two adjacent trapezoid structures on the cut pole piece a is bn, bn is greater than 0, and the value of bn is set according to the thickness of the pole piece, so that the thicknesses of the pole piece after cutting are consistent.
Referring to fig. 3, specifically, the CCD detecting mechanism 4 includes a bracket 43, a motor 44, a camera 41 and an annular light source 42, the camera 41 and the annular light source 42 are disposed on the bracket 43, the camera 41 and the annular light source 42 are coaxially disposed, so that the camera 41 can detect the positive electrode tab and the negative electrode tab through the annular light source 42, the annular light source 42 can provide a good light environment for the camera 41, the motor 44 drives the bracket 43 to move, and the bracket 43 can be driven to move along with the gradual increase of the thickness of the battery cell winding, so that the camera 21 and the annular light source 22 move along with the bracket 23, the distances between the camera 21 and the annular light source 22 and the battery cell a are kept consistent, and the detection accuracy of the camera 21 can be kept.
Specifically, smooth mechanism 6 is including smoothing drive structure 62 and smoothing board 61, smooths drive structure 62 drive and smooths dull and stereotyped 61 and removes, smooths board 61 and smooths electric core, makes anodal utmost point ear and negative pole utmost point ear return to rated position, guarantees the yields of electric core, smooths drive structure 62 and can be the cylinder, smooths board 61 and makes for elastic material, can prevent to cause the damage to electric core at the in-process of smoothing.
The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (5)
1. The utility model provides a utmost point ear dislocation adjustment structure, its characterized in that, including unwinding mechanism, thickness measurement mechanism, laser cutting mechanism, CCD detection mechanism and around the spool, the pole piece is followed unwinding mechanism unreels extremely thickness measurement mechanism, thickness measurement mechanism detects the thickness of pole piece, laser cutting mechanism cuts the pole piece according to thickness to carry it extremely around the spool form electric core around rolling up, CCD detection mechanism detects the utmost point ear alignment of electric core.
2. The tab misalignment adjusting structure according to claim 1, further comprising a smoothing mechanism, wherein the smoothing mechanism is aligned with the winding reel.
3. The tab dislocation adjusting structure according to claim 2, wherein the CCD detecting mechanism includes a support, a camera and an annular light source, the camera and the annular light source are disposed on the support, and the camera and the annular light source are coaxially disposed.
4. The tab misalignment adjusting structure of claim 3, wherein a motor is further disposed on the CCD detecting mechanism, and the motor drives the bracket to move.
5. The tab misalignment adjusting structure of claim 4, wherein the smoothing mechanism comprises a smoothing driving structure and a smoothing plate, and the smoothing driving structure drives the smoothing plate to move.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220517527.1U CN217387262U (en) | 2022-03-08 | 2022-03-08 | Tab dislocation adjusting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220517527.1U CN217387262U (en) | 2022-03-08 | 2022-03-08 | Tab dislocation adjusting structure |
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CN217387262U true CN217387262U (en) | 2022-09-06 |
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CN202220517527.1U Active CN217387262U (en) | 2022-03-08 | 2022-03-08 | Tab dislocation adjusting structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024055264A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Method for adjusting spacing between tabs of battery, and method and device for die cutting of electrode sheet |
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2022
- 2022-03-08 CN CN202220517527.1U patent/CN217387262U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024055264A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Method for adjusting spacing between tabs of battery, and method and device for die cutting of electrode sheet |
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