CN218568936U - Winding mechanism for lithium ion electrode group - Google Patents
Winding mechanism for lithium ion electrode group Download PDFInfo
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- CN218568936U CN218568936U CN202221398780.6U CN202221398780U CN218568936U CN 218568936 U CN218568936 U CN 218568936U CN 202221398780 U CN202221398780 U CN 202221398780U CN 218568936 U CN218568936 U CN 218568936U
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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
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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 application relates to a winding mechanism of a lithium ion pole group, which relates to the technical field of battery cell manufacturing and comprises a winding needle assembly; the positive pole unreeling assembly and the negative pole unreeling assembly are staggered and arranged around the winding needle assembly; the diaphragm unreels the subassembly, anodal unreel the subassembly with the negative pole unreels and is equipped with one at least between the subassembly the diaphragm unreels the subassembly, unreels the subassembly through the positive pole and unreels the subassembly with the negative pole and misplace around rolling up the needle subassembly, can guarantee that the anodal material area of multi-tab, the anodal material area of multi-tab can be steady get into in rolling up the needle subassembly, be convenient for obtain the anodal material area of multi-tab, the entering angle of rolling up the needle in the negative pole material area of multi-tab, improve the efficiency that gets into convoluteing to improve lithium ion battery coiling efficiency and quality.
Description
Technical Field
The application relates to the technical field of battery core manufacturing, in particular to a winding mechanism of a lithium ion pole group.
Background
The lithium ion battery is widely applied to the 3C field of mobile phones, digital cameras, PC computers and the like and also applied to the field of electric tools, along with the strong support of the state on new energy automobiles, the lithium ion battery has a vigorous development opportunity in the field of electric automobiles and electric bicycles since 2011, along with the development of modern society, the demand of the lithium ion battery on the market is increased year by year, so that the production capacity of equipment for processing the lithium ion battery on a production line is improved, and the problem of research of technical personnel is always solved.
Disclosure of Invention
The present application is directed to a lithium ion electrode assembly winding mechanism to solve the above problems.
The application provides a lithium ion utmost point group winding mechanism includes: a needle winding assembly; the positive pole unreeling assembly and the negative pole unreeling assembly are staggered and arranged around the needle coiling assembly; the diaphragm unreels the subassembly, and anodal unreels the subassembly and the negative pole unreels and is equipped with 1 diaphragm at least between the subassembly and unreels the subassembly, unreels the subassembly through the positive pole and unreels the subassembly with the negative pole and misplace around rolling up the needle subassembly, can guarantee that the anodal material area of multi-tab, the entering that the anodal material area of multi-tab can be steady rolls up the needle subassembly in, is convenient for obtain the entering angle of rolling up the needle in anodal material area of multi-tab, the negative pole material area of multi-tab, improves the efficiency that gets into convoluteing to improve lithium ion battery coiling efficiency and quality.
Further, the positive pole unreels the subassembly and unreels 2 at least groups, and the negative pole unreels the subassembly and unreels 2 at least groups, unreels the subassembly function integration in an organic whole through setting up 2 at least groups positive poles, 2 at least groups negative poles, can reduce the space that places winder equipment in the workshop and occupy.
Furthermore, the winding needle assembly is located in the central area of the winding mechanism, and the number of the anode unwinding assemblies and the number of the cathode unwinding assemblies on the left side and the right side of the normal line of the winding needle assembly correspond to that of the cathode unwinding assemblies.
Further, the at least 2 groups of positive pole unreeling assemblies and the at least 2 groups of negative pole unreeling assemblies surround the winding needle assembly to enable the same-attribute material strips to enter the winding needle assembly oppositely or in an angle mode, the at least 2 groups of positive pole unreeling assemblies and the at least 2 groups of negative pole unreeling assemblies enable the same-attribute material strips to enter the winding needle assembly oppositely or in an angle mode, and the stable state of the entering winding needles of the multi-tab positive pole material strips and the multi-tab negative pole material strips is guaranteed, and meanwhile winding efficiency is improved.
Further, the needle that rolls up including 1 at least book needle of book needle subassembly, it has 2 to go into to roll up the mouth to roll up the needle, and when the material area got into to roll up the needle, it was the angle setting with the normal line of rolling up the subassembly to go into to roll up the mouth position, is the angle setting with the normal line of rolling up the subassembly through going into to roll up the needle to guarantee to set up and to roll up the positive pole of the left and right sides of the normal line of rolling up the needle subassembly and unreel the subassembly, negative pole and unreel the subassembly and can level and go on coiling fast in the needle of quick entering of needle.
Further, at least 2 groups of positive pole unreeling assemblies surround the winding needle assembly, and the material belts with the same attribute oppositely enter the winding needle assembly at an angle of 180 degrees; at least 2 groups of negative pole unreel the subassembly and surround the needle subassembly and will get into the needle subassembly with the material area of the same attribute with 180 relative angles, get into the needle subassembly with 180 angles through 2 groups of anodal material areas, 2 groups of negative pole material areas that will surround the needle subassembly, can guarantee that the setting unreels the subassembly at the positive pole of the left and right sides of the normal of needle subassembly, negative pole and unreel the subassembly and can level and go on coiling fast in the quick entering book needle.
Furthermore, at least 2 groups of positive pole unreeling assemblies surround the winding needle assembly, and the material belt with the same attribute enters the winding needle assembly at any angle in the range of 150-210 degrees; at least 2 groups of cathode unreeling assemblies surround the winding needle assembly, and the material belts with the same property enter the winding needle assembly at any angle within the range of 150-210 degrees, and at least 2 groups of anode material belts and 2 groups of cathode material belts surrounding the winding needle assembly enter the winding needle assembly at an angle of 150-210 degrees, so that the anode unreeling assemblies and the cathode unreeling assemblies arranged on the left side and the right side of the normal line of the winding needle assembly can be enabled to enter the winding needle smoothly and quickly for quick winding.
Further, during winding, the material strips with the same attribute can be simultaneously inserted into the winding needle assembly or sequentially inserted into the winding needle assembly according to a preset sequence for winding to form a winding battery core, and the matching is performed according to different winding processes set by different batteries by applying various pole group winding processes.
Furthermore, a positive pole unreeling assembly or a negative pole unreeling assembly is arranged between 2 adjacent diaphragm unreeling assemblies at intervals.
Furthermore, the turning directions of the anode unreeling assembly, the cathode unreeling assembly and the diaphragm unreeling assembly are opposite to the turning direction of the winding needle assembly, and the turning directions of the anode unreeling assembly, the cathode unreeling assembly and the diaphragm unreeling assembly are opposite to the turning direction of the winding needle assembly, so that the problems of unreeling and difficult matching of winding speed during rotation in the same direction can be solved, and the stability of controlling the material belt conveying speed is improved.
Drawings
FIG. 1 is a front view of an embodiment of the present application;
FIG. 2 is a front view of a winding needle according to an embodiment of the present application;
the reference numbers illustrate:
1: a winding mechanism frame; 2: the winding needle assembly rotates clockwise; 3: the unwinding assemblies of the diaphragm, the cathode and the anode rotate in the same direction; 4: a winding needle assembly; 5, a second cathode unreeling assembly; 6: a fourth membrane unwinding assembly; 7: the second anode unreeling assembly; 8: a third membrane unwinding assembly; 9, a first cathode unreeling component; 10, a second membrane unwinding assembly; 11: a first positive pole unreeling assembly; 12: a first membrane unwinding assembly; 13: coiling a needle; 14: a roll inlet;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be readily understood that the embodiments described are merely a subset of the embodiments of the present application and that the components of the embodiments of the present application, as generally described and illustrated in the figures herein, could be arranged and designed in a wide variety of different configurations.
The present application provides an embodiment of a winding mechanism for a lithium ion electrode assembly, as shown in fig. 1, including: a needle winding assembly 4; the positive pole unreeling component and the negative pole unreeling component are arranged in a staggered mode and surround the winding needle component 4; the diaphragm unreels the subassembly, and anodal unreels and is equipped with 1 diaphragm at least between the subassembly with the negative pole unreels the subassembly, unreels the subassembly through anodal and unreels the dislocation of subassembly with the negative pole and centers on a roll needle subassembly 4, can guarantee that the entering that multi-tab positive material area, multi-tab negative pole material area can be steady rolls up needle subassembly 4, is convenient for obtain the entering in multi-tab positive material area, multi-tab negative pole material area and rolls up the angle of needle 13, improves the efficiency that gets into to convolute to improve winding efficiency and quality.
Further, the cathode unreeling assemblies comprise at least 2 groups of cathode unreeling assemblies, and preferably, the cathode unreeling assemblies comprise a first cathode unreeling assembly 11 and a second cathode unreeling assembly 7; negative pole unreels subassembly 2 at least groups of negative poles of subassembly and unreels the subassembly, and negative pole unreels the subassembly and includes that first negative pole unreels subassembly 9, second negative pole unreels subassembly 5 preferentially, unreels subassembly function integration in an organic whole through setting up 2 at least groups positive poles on winding mechanism frame 1, 2 at least groups of negative poles, can reduce the space of placing winder equipment in the workshop and occupy.
Further, the winding needle assembly 4 is located in the central area of the winding mechanism frame 1, and the number of the anode unwinding assemblies and the number of the cathode unwinding assemblies on the left side and the right side of the normal line of the winding needle assembly 4 correspond to that of the cathode unwinding assemblies.
Furthermore, at least 2 sets of positive pole unreeling assemblies surround the winding needle assembly 4, preferably, two sets of positive pole unreeling assemblies surround the winding needle assembly 4, including the first positive pole unreeling assembly 11 and the second positive pole unreeling assembly 7, the first positive pole unreeling assembly 11 and the second positive pole unreeling assembly 7 are used for unreeling material belts with the same attribute, namely, the positive pole material belt conveyed by the first positive pole unreeling assembly 11 and the positive pole material belt conveyed by the second positive pole unreeling assembly 7 enter the winding needle assembly 4 in an opposite or angled manner, and the material belts enter the winding needle assembly 4 in an opposite or angled manner through the at least 2 sets of positive pole unreeling assemblies, so that the stable state of entering winding needles of the multi-tab positive pole material belt and the multi-tab negative pole material belt is ensured, and the winding efficiency is improved.
Furthermore, at least 2 sets of cathode unreeling assemblies surround the winding needle assembly 4, preferably, two sets of cathode unreeling assemblies surround the winding needle assembly 4, including a first cathode unreeling assembly 9 and a second cathode unreeling assembly 5, and the first cathode unreeling assembly 9 and the second cathode unreeling assembly 5 feed strips with the same property, that is, the cathode material strips conveyed by the first cathode unreeling assembly 9 and the cathode material strips conveyed by the second cathode unreeling assembly 5 enter the winding needle assembly 4 at opposite angles or at angles, and the at least 2 sets of cathode unreeling assemblies feed the strips into the winding needle assembly 4 at opposite angles or at angles, so that the stable state of the multi-tab anode material strips and the multi-tab cathode material strips entering the winding needle is ensured, and the winding efficiency is improved.
Further, the winding needle assembly 4 includes at least 1 winding needle 13, as shown in fig. 2, the winding needle has 2 winding inlets 14, when the material strip enters the winding needle 13, the winding inlet 14 is disposed at an angle to the normal of the winding assembly 4, and the winding inlet 14 of the winding needle 13 is disposed at an angle to the normal of the winding assembly, so as to ensure that the anode winding assemblies and the cathode winding assemblies disposed on the left and right sides of the normal of the winding needle assembly 4 can smoothly and rapidly enter the winding needle for rapid winding.
Furthermore, at least 2 sets of cathode unreeling assemblies surround the needle reeling assembly 4, and preferably, two sets of cathode unreeling assemblies surround the needle reeling assembly 4, including a first cathode unreeling assembly 11 and a second cathode unreeling assembly 7, wherein the first cathode unreeling assembly 11 and the second cathode unreeling assembly 7 oppositely enter the needle reeling assembly 4 at an angle of 180 degrees, namely, the cathode material belts conveyed by the first cathode unreeling assembly 11 and the cathode material belts conveyed by the second cathode unreeling assembly 7 are identical in material belts, namely, the cathode material belts conveyed by the first cathode unreeling assembly 11; by making at least 2 groups of positive material belts around the winding needle assembly 4 enter the winding needle assembly 4 at an angle of 180 degrees, the positive pole unwinding assembly and the negative pole unwinding assembly arranged on the left side and the right side of the normal line of the winding needle assembly 4 can be ensured to enter the winding needle smoothly and quickly for quick winding.
Further, at least 2 sets of cathode unwinding assemblies surround the winding needle assembly 4, and preferably, two sets of cathode unwinding assemblies surround the winding needle assembly 4, including a first cathode unwinding assembly 9 and a second cathode unwinding assembly 5, wherein the first cathode unwinding assembly 9 and the second cathode unwinding assembly 5 form material strips having the same property, that is, the cathode material strip conveyed by the first cathode unwinding assembly 9, and the cathode material strip conveyed by the second cathode unwinding assembly 5 enter the winding needle assembly 4 at an angle of 180 ° relatively, as shown by β in fig. 1, by entering at least 2 sets of cathode material strips surrounding the winding needle assembly 4 at an angle of 180 ° into the winding needle assembly 4, it can be ensured that the cathode unwinding assemblies and the anode unwinding assemblies disposed on the left and right sides of the normal line of the winding needle assembly 4 can enter the winding needle assembly 4 smoothly and quickly to perform quick winding.
Further, at least 2 sets of positive electrode unwinding assemblies surround the winding needle assembly 4, and preferably, two sets of positive electrode unwinding assemblies surround the winding needle assembly 4, including a first positive electrode unwinding assembly 11 and a second positive electrode unwinding assembly 7, and the first positive electrode unwinding assembly 11 and the second positive electrode unwinding assembly 7 form a material strip with the same property, that is, a positive electrode material strip conveyed by the first positive electrode unwinding assembly 11, and a positive electrode material strip conveyed by the second positive electrode unwinding assembly 7 enters the winding needle assembly 4 at any angle in a range of 150 ° to 210 °, as shown by α in fig. 1; at least 2 groups of positive material belts surrounding the winding needle assembly 4 enter the winding needle assembly 4 at an angle of 150-210 degrees, so that the positive unwinding assembly and the negative unwinding assembly which are arranged on the left side and the right side of the normal line of the winding needle assembly 4 can smoothly and quickly enter the winding needle for quick winding.
Further, at least 2 sets of cathode unreeling assemblies surround the needle reeling assembly 4, preferably, two sets of cathode unreeling assemblies surround the needle reeling assembly 4, including a first cathode unreeling assembly 9 and a second cathode unreeling assembly 5, and the first cathode unreeling assembly 9 and the second cathode unreeling assembly 5 feed belts with the same attribute, namely, the cathode material belt conveyed by the first cathode unreeling assembly 9 and the cathode material belt conveyed by the second cathode unreeling assembly 5 enter the needle reeling assembly 4 at any angle within a range of 150-210 degrees, as shown by β in fig. 1, by entering the at least 2 sets of cathode material belts surrounding the needle reeling assembly 4 into the needle reeling assembly 4 at any angle within a range of 150-210 degrees, it can be ensured that the cathode unreeling assemblies and the cathode unreeling assemblies arranged on the left and right sides of a normal line of the needle reeling assembly 4 can enter the needle smoothly and quickly for quick winding.
Further, during winding, the material strips with the same attribute can be simultaneously inserted into the winding needle assembly 4 or sequentially inserted into the winding needle assembly 4 according to a preset sequence for winding to form a winding battery core, and the matching is performed by applying various pole group winding processes and setting corresponding winding processes according to different batteries.
Furthermore, an anode unwinding assembly or a cathode unwinding assembly is arranged between every two adjacent diaphragm unwinding assemblies.
Furthermore, as shown in fig. 1, a first positive electrode unwinding assembly 11 is disposed between the first membrane unwinding assembly 12 and the second membrane unwinding assembly 10, a first negative electrode unwinding assembly 9 is disposed between the second membrane unwinding assembly 10 and the third membrane unwinding assembly 8, a second positive electrode unwinding assembly 7 is disposed between the third membrane unwinding assembly 8 and the fourth membrane unwinding assembly 8, and a second negative electrode unwinding assembly 5 is disposed between the fourth membrane unwinding assembly 8 and the first membrane unwinding assembly 12.
Furthermore, the turning directions of the anode unreeling assembly, the cathode unreeling assembly and the diaphragm unreeling assembly are opposite to the turning direction of the winding needle assembly 4, the problems of unreeling and difficult matching of winding speed during rotation in the same direction can be solved, and the stability of control over the material belt conveying speed is improved.
Furthermore, as shown in fig. 1, the rotation directions of the first membrane unwinding assembly 12, the second membrane unwinding assembly 10, the third membrane unwinding assembly 8, the fourth membrane unwinding assembly 8, the first cathode unwinding assembly 11, the second cathode unwinding assembly 7, the first cathode unwinding assembly 9, and the second cathode unwinding assembly 5 are the rotation directions 3 of the membrane, the cathode, and the anode unwinding assemblies, and the winding needle assembly 4 is the clockwise rotation direction 2.
In the description of the present application, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present application and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present application.
While the present application has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. A lithium ion pole group winding mechanism, comprising:
a winding needle assembly;
the positive pole unreeling assembly and the negative pole unreeling assembly are staggered and arranged around the winding needle assembly;
the diaphragm unreels the subassembly, anodal unreel the subassembly with the negative pole unreels and is equipped with 1 at least between the subassembly the diaphragm unreels the subassembly.
2. The winding mechanism of lithium ion battery pack as claimed in claim 1, wherein the cathode unwinding assembly comprises at least 2 sets, and the cathode unwinding assembly comprises at least 2 sets.
3. The winding mechanism of claim 2, wherein the winding pin assembly is located in a central region of the winding mechanism, and the number of the positive pole unwinding assemblies and the number of the negative pole unwinding assemblies on the left side and the right side of a normal line of the winding pin assembly correspond to the number of the negative pole unwinding assemblies.
4. The lithium ion electrode group winding mechanism according to claim 2, wherein at least 2 groups of the positive electrode unwinding assemblies and at least 2 groups of the negative electrode unwinding assemblies are arranged around the winding needle assembly, and the same material belts are oppositely or angularly fed into the winding needle assembly.
5. The lithium ion pole group winding mechanism of claim 4, wherein the winding needle assembly comprises at least 1 winding needle, the winding needle has 2 winding inlets, and when the material belt enters the winding needle, the winding inlets are positioned at an angle to the normal of the winding needle assembly.
6. The winding mechanism of lithium ion pole group according to claim 4, wherein at least 2 groups of the positive pole unwinding assemblies oppositely enter the winding needle assembly at an angle of 180 ° around the winding needle assembly; at least 2 groups of negative pole unreeling assemblies surround the winding needle assembly, and the material belts with the same properties oppositely enter the winding needle assembly at an angle of 180 degrees.
7. The winding mechanism of lithium ion electrode group according to claim 4, wherein at least 2 groups of the positive unwinding assemblies enter the winding needle assembly around the winding needle assembly at any angle in the range of 150-210 ° with the same property of the material belt; and at least 2 groups of negative pole unreeling assemblies surround the winding needle assembly, and the material belt with the same property enters the winding needle assembly at any angle within the range of 150-210 degrees.
8. The lithium ion electrode group winding mechanism according to any one of claims 6 or 7, wherein during winding, the tapes of the same property can be inserted into the winding needle assembly at the same time or sequentially inserted into the winding needle assembly according to a preset sequence for winding to form a wound cell.
9. The winding mechanism of a lithium ion electrode assembly according to claim 1, wherein one positive electrode unwinding assembly or one negative electrode unwinding assembly is spaced between two adjacent 2 separator unwinding assemblies.
10. The lithium ion pole group winding mechanism of claim 5, wherein the positive pole unwinding assembly, the negative pole unwinding assembly and the membrane unwinding assembly are all turned opposite to the winding needle turning direction of the winding needle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398780.6U CN218568936U (en) | 2022-06-06 | 2022-06-06 | Winding mechanism for lithium ion electrode group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221398780.6U CN218568936U (en) | 2022-06-06 | 2022-06-06 | Winding mechanism for lithium ion electrode group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218568936U true CN218568936U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221398780.6U Active CN218568936U (en) | 2022-06-06 | 2022-06-06 | Winding mechanism for lithium ion electrode group |
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| CN (1) | CN218568936U (en) |
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2022
- 2022-06-06 CN CN202221398780.6U patent/CN218568936U/en active Active
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