CN114665200A - Simple top cover structure and manufacturing process - Google Patents
Simple top cover structure and manufacturing process Download PDFInfo
- Publication number
- CN114665200A CN114665200A CN202011537337.8A CN202011537337A CN114665200A CN 114665200 A CN114665200 A CN 114665200A CN 202011537337 A CN202011537337 A CN 202011537337A CN 114665200 A CN114665200 A CN 114665200A
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- top cover
- cover plate
- pole
- proper
- ring
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 2
- 230000009471 action Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a simple top cover structure and a manufacturing process, which comprises an insulating pad, a top cover plate, a negative pole post, insulating plastic, a sealing ring, a welding ring, an explosion-proof sheet, a positive pole post, a mounting hole, an electrode lead-out hole, a central hole and a laser welding ring, wherein one end of the insulating pad is provided with the top cover plate, one end of the top cover plate is sleeved with the negative pole post, the other end of the top cover plate is provided with the positive pole post, the tops of the negative pole post and the positive pole post are both sleeved with the insulating plastic, the insulating plastic is positioned at the top of the top cover plate, the centers of the negative pole post and the positive pole post are both sleeved with the sealing ring, the sealing ring is positioned at the bottom of the top cover plate, the negative pole post and the positive pole post are positioned at the upper part of the top cover plate, so that the internal space of the top cover plate is increased, the battery space of a top cover assembly is improved, the welding ring is fixed by laser welding, and the fixing degree of the poles is ensured, the reliability of using the battery top cover is improved, the process is simple, and the manufacturing cost is low.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a simple top cover structure and a manufacturing process thereof.
Background
In recent years, with the rapid development of new energy battery projects supported by the nation, lithium ion batteries are widely applied to the fields of electric bicycles, automobiles, electric tools and energy storage with high performance and long service life, the batteries need to have higher energy density and reliability to meet the requirements of people, and the battery top cover is a key component for ensuring the elements;
at present, a top cover plate is generally adopted as an aluminum plate and is provided with a through hole, a pole is divided into an inner part and an outer part, the cross section area of the inner part is larger than the aperture of the through hole, during assembly, an inner mounting sealing ring is positioned below the top cover plate, the pole is fixed on the top cover plate by injection molding or riveting after the outer part penetrates through the through hole, and the pole is fixed in the top cover plate by the way, so that the space utilization rate in the battery is reduced due to the fact that the inner part is positioned in the battery, and the energy density of the secondary battery is reduced; in view of these drawbacks, it is necessary to design a simple top cover structure and a manufacturing process.
Disclosure of Invention
The present invention is directed to a simplified top cover structure and a manufacturing process thereof to solve the above-mentioned problems of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: simple and easy top cap structure draws forth hole, centre bore and laser welding circle including insulating pad, lamina tecti, negative pole post, insulating plastic, sealing washer, welding ring, explosion-proof piece, anodal utmost point post, mounting hole, electrode, insulating pad one end is provided with the lamina tecti, lamina tecti one end has cup jointed negative pole post, the lamina tecti other end is provided with anodal utmost point post, insulating plastic has all been cup jointed at negative pole post and anodal utmost point post top, and insulating plastic is located the lamina tecti top, the sealing washer has all been cup jointed with anodal utmost point post center department to negative pole post, and the sealing washer is located the lamina tecti bottom, the welding ring has been cup jointed in the sealing washer outside, the welding ring bottom outside is provided with the laser welding circle, and laser welding circle bottom and lamina tecti are connected.
The manufacturing process of the simple top cover structure comprises the steps of firstly, stamping the top cover and the pole; step two, embedding plastic on the top cover and the pole; step three, processing a semi-finished product; step four, pressing peripheral laser welding;
in the first step, the stamping of the top cover and the pole comprises the following steps:
1) manually drawing the simple top cover structure to be processed, and marking the size;
2) selecting a proper top cover plate, a proper cathode pole and a proper anode pole, placing the top cover plate, the proper cathode pole and the proper anode pole inside a punching machine, punching part of the top cover plate, the proper anode pole and the proper anode pole into a convex shape, and punching an electrode lead-out hole in the middle of the convex shape;
in the second step, the top cover plate, the cathode pole and the anode pole which are punched in the first step 2) are manually placed inside the plastic embedding machine;
in the third step, the semi-finished product processing comprises the following steps:
1) manually selecting a proper welding ring and a proper sealing ring according to the drawing in the step 1), and cleaning the welding ring and the sealing ring;
2) performing compression molding on the welding ring and the sealing ring rubber through a compression molding machine;
in the fourth step, the pressing peripheral laser welding comprises the following steps:
1) manually installing the welded ring and the sealing ring which are punched in the step three 2) on the top cover plate which is embedded with plastic in sequence;
2) the top cover plate with the installation completion is placed in the briquetting machine, adopts the suppression welding process to be fixed in the top cover plate with welded ring and sealing washer on, passes through laser welding and is connected with the top cover plate with welded ring afterwards, can make simple and easy top cap structure.
According to the technical scheme, the two sides of the bottom of the insulating pad, which are positioned at the center, are provided with the mounting holes, and the mounting holes are respectively sleeved on the outer sides of the bottoms of the cathode pole and the anode pole.
According to the technical scheme, the two sides of the top cover plate, which are positioned at the center, are provided with the electrode leading-out holes, and the electrode leading-out holes are respectively sleeved at the outer sides of the centers of the negative pole column and the positive pole column.
According to the technical scheme, the center of the top cover plate is provided with a center hole, the explosion-proof sheet is sleeved inside the center hole, and the explosion-proof sheet is located at the center of the negative pole column and the positive pole column.
According to the technical scheme, a finished product needs to be detected after the pressing in the step four 2).
Compared with the prior art, the invention has the following beneficial effects: this simple and easy top cap structure and manufacturing process, negative pole utmost point post and anodal utmost point post are on top cap board upper portion, make top cap board inner space increase, promote the battery space of its top cap subassembly, adopt the fixed welding ring of laser welding, guarantee the fixed degree of utmost point post, promote the reliability of using its battery top cap, simple process, the cost of manufacture is low.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is an exploded view of a part of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
fig. 4 is an enlarged view of a part of the negative electrode post of the present invention;
FIG. 5 is a diagram of the process steps of the present invention;
FIG. 6 is a process flow diagram of the present invention;
in the figure: 1. an insulating pad; 2. a top cover plate; 3. a negative electrode post; 4. insulating plastic cement; 5. a seal ring; 6. welding a ring; 7. an explosion-proof sheet; 8. a positive pole column; 9. mounting holes; 10. an electrode lead-out hole; 11. a central bore; 12. and (5) laser welding the ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a simple top cover structure comprises an insulating pad 1, a top cover plate 2, a negative pole post 3, insulating plastic 4, a sealing ring 5, a welding ring 6, an explosion-proof sheet 7, a positive pole post 8, mounting holes 9, electrode leading-out holes 10, a center hole 11 and a laser welding ring 12, wherein the top cover plate 2 is arranged at one end of the insulating pad 1, the negative pole post 3 is sleeved at one end of the top cover plate 2, the positive pole post 8 is arranged at the other end of the top cover plate 2, the mounting holes 9 are respectively arranged at two sides of the center of the bottom of the insulating pad 1, the mounting holes 9 are respectively sleeved at the bottom of the negative pole post 3 and the bottom of the positive pole post 8, the negative pole post 3 and the positive pole post 8 are prevented from shaking, the electrode leading-out holes 10 are respectively arranged at two sides of the center of the top cover plate 2, the electrode leading-out holes 10 are respectively sleeved at the outer sides of the centers of the negative pole post 3 and the positive pole post 8, the negative pole post 3 and the positive pole post 8 are beneficial to fixation of the negative pole post, the center of the top cover plate 8, the center of the top cover plate 2 is provided with the center hole 11, 11 inside explosion-proof piece 7 that has cup jointed of centre bore, and explosion-proof piece 7 is located negative terminal 3 and 8 center departments of anodal utmost point post, be favorable to the work of top cover plate 2, insulating plastic 4 has all been cup jointed at negative terminal 3 and 8 tops of anodal utmost point post, and insulating plastic 4 is located 2 tops of top cover plate, sealing washer 5 has all been cup jointed with 8 center departments of anodal utmost point post 3, and sealing washer 5 is located 2 bottoms of top cover plate, welding ring 6 has been cup jointed in the sealing washer 5 outside, the welding ring 6 bottom outside is provided with laser welding circle 12, and laser welding circle 12 bottoms and top cover plate 2 are connected.
Referring to fig. 5-6, the present invention provides a technical solution: the manufacturing process of the simple top cover structure comprises the steps of firstly, stamping the top cover and the pole; embedding plastic on the top cover and the pole; step three, processing a semi-finished product; step four, pressing peripheral laser welding;
in the first step, the stamping of the top cover and the pole comprises the following steps:
1) manually drawing the simple top cover structure to be processed, and marking the size;
2) selecting a proper top cover plate 2, a proper cathode pole 3 and a proper anode pole 8, placing the top cover plate 2, the proper cathode pole 3 and the proper anode pole 8 in a punching machine, punching parts of the top cover plate, the proper cathode pole 3 and the proper anode pole 8 into a convex shape, and punching an electrode lead-out hole 10 in the middle of the convex shape;
in the second step, the top cover and the pole embedded plastic comprises the following steps:
1) manually placing the top cover plate 2, the cathode pole 3 and the anode pole 8 which are punched in the step one 2) inside the plastic embedding machine;
2) starting the plastic embedding machine, and embedding and fixing the top cover plate 2, the cathode pole 3 and the anode pole 8 together;
in the third step, selecting a proper welding ring 6 and a proper sealing ring 5 manually according to the drawing in the first step 1), and cleaning the welding ring 6 and the sealing ring 5;
in the fourth step, the pressing peripheral laser welding comprises the following steps:
1) manually installing the welding ring 6 and the sealing ring 5 which are punched in the step three 2) on the top cover plate 2 which is embedded with plastic in sequence;
2) place the lamina tecti 2 that the installation was accomplished in the briquetting machine, adopt suppression welding process to be fixed in lamina tecti 2 with weld ring 6 and sealing washer 5 on, be connected lamina tecti 2 with weld ring 6 through laser welding afterwards, can make simple and easy top cap structure, need detect the finished product after the suppression is accomplished.
Based on the above, the secondary battery cover plate has the advantages that the internal space of the secondary battery cover plate manufactured by the method is increased in the using process of the battery, and the reliability is increased; the top cover plate 2 is provided with a raised electrode lead-out hole 10, a cathode pole 3, an anode pole 8, a welding ring 6 and a sealing ring 5, wherein the top cover plate 2, the cathode pole 3 and the anode pole 8 are fixed by adopting an insert molding process, and the welding ring 6 and the top cover plate 2 are fixed together by adopting laser welding; the top cover plate 2, the cathode pole 3 and the anode pole 8 are partially punched into a convex shape in advance, an electrode leading-out hole 10 is punched in the middle of the convex shape, the top cover plate 2, the cathode pole 3 and the anode pole 8 are embedded and fixed together, finally, the welding ring 6 and the sealing ring 5 are sequentially installed on the embedded and molded top cover plate 2 and are fixed on the top cover plate 2 through a pressing welding process, and the cathode pole 3 and the anode pole 8 are connected through a lead during use, so that the solar cell can be used.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Simple and easy top cap structure draws forth hole (10), centre bore (11) and laser welding circle (12), its characterized in that including insulating pad (1), lamina tecti (2), negative pole utmost point post (3), insulating plastic (4), sealing washer (5), welding ring (6), explosion-proof piece (7), anodal utmost point post (8), mounting hole (9), electrode: insulating pad (1) one end is provided with lamina tecti (2), negative terminal post (3) have been cup jointed to lamina tecti (2) one end, lamina tecti (2) other end is provided with anodal utmost point post (8), insulating plastic (4) have all been cup jointed at negative terminal post (3) and anodal utmost point post (8) top, and insulating plastic (4) are located lamina tecti (2) top, sealing washer (5) have all been cup jointed with anodal utmost point post (8) center department in negative terminal post (3), and sealing washer (5) are located lamina tecti (2) bottom, welding ring (6) have been cup jointed in the sealing washer (5) outside, the outside of welding ring (6) bottom is provided with laser welding circle (12), and laser welding circle (12) bottom is connected with lamina tecti (2).
2. The manufacturing process of the simple top cover structure comprises the steps of firstly, stamping the top cover and the pole; embedding plastic on the top cover and the pole; step three, processing a semi-finished product; step four, pressing peripheral laser welding; the method is characterized in that:
in the first step, the stamping of the top cover and the pole comprises the following steps:
1) manually drawing the simple top cover structure to be processed, and marking the size;
2) selecting a proper top cover plate (2), a proper cathode pole (3) and a proper anode pole (8), placing the top cover plate (2), the proper cathode pole (3) and the proper anode pole (8) in a punching machine, punching parts of the top cover plate, the proper cathode pole (3) and the proper anode pole (8) into a convex shape, and punching an electrode lead-out hole (10) in the middle of the convex shape;
in the second step, the top cover and the pole embedded plastic comprises the following steps:
1) manually placing the top cover plate (2), the cathode pole (3) and the anode pole (8) which are punched in the step one 2) in an insert molding machine;
2) starting the plastic embedding machine, and embedding and fixing the top cover plate (2), the cathode pole (3) and the anode pole (8) together;
in the third step, selecting a proper welding ring (6) and a proper sealing ring (5) manually according to the drawing in the first step 1), and cleaning the welding ring (6) and the sealing ring (5);
in the fourth step, the laser welding around the pressing step comprises the following steps:
1) manually installing the welding ring (6) and the sealing ring (5) which are punched in the step three 2) on the top cover plate (2) which is embedded with plastic in sequence;
2) the installing top cover plate (2) is placed in a pressing machine, a welding ring (6) and a sealing ring (5) are fixed on the top cover plate (2) through a pressing welding process, and then the welding ring (6) is connected with the top cover plate (2) through laser welding, so that a simple top cover structure can be manufactured.
3. The drop in roof construction of claim 1, wherein: the bottom of the insulating pad (1) is positioned at the two sides of the center and is provided with mounting holes (9), and the mounting holes (9) are respectively sleeved at the outer sides of the bottoms of the cathode pole (3) and the anode pole (8).
4. A simple top cover structure according to claim 1, wherein: the top cover plate (2) is provided with electrode leading-out holes (10) on two sides of the center, and the electrode leading-out holes (10) are respectively sleeved on the outer sides of the centers of the cathode pole (3) and the anode pole (8).
5. The drop in roof construction of claim 1, wherein: a center hole (11) is formed in the center of the top cover plate (2), an explosion-proof sheet (7) is sleeved inside the center hole (11), and the explosion-proof sheet (7) is located in the centers of the negative pole post (3) and the positive pole post (8).
6. The process for manufacturing a simplified top cover structure according to claim 2, wherein: and in the step four 2), finished products need to be detected after the pressing is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537337.8A CN114665200A (en) | 2020-12-23 | 2020-12-23 | Simple top cover structure and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011537337.8A CN114665200A (en) | 2020-12-23 | 2020-12-23 | Simple top cover structure and manufacturing process |
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| Publication Number | Publication Date |
|---|---|
| CN114665200A true CN114665200A (en) | 2022-06-24 |
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ID=82025069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011537337.8A Pending CN114665200A (en) | 2020-12-23 | 2020-12-23 | Simple top cover structure and manufacturing process |
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| Country | Link |
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| CN (1) | CN114665200A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204100A (en) * | 2021-12-10 | 2022-03-18 | 合肥力翔电池科技有限责任公司 | Lithium ion battery composite pole cover plate and assembling equipment thereof |
| CN115395151A (en) * | 2022-10-10 | 2022-11-25 | 广东力宏精密科技有限公司 | Battery cover plate, preparation method and battery |
| CN115498331A (en) * | 2022-09-21 | 2022-12-20 | 武汉富航精密工业有限公司 | Secondary battery cover plate structure assembly and production process |
| GB2623851A (en) * | 2022-10-17 | 2024-05-01 | Ningbo Zhenyu Tech Co Ltd | Method for stamping and integrally molding top cover sheet, battery top cover structure and manufacturing method thereof |
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| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
| CN110246993A (en) * | 2019-07-18 | 2019-09-17 | 东莞阿李自动化股份有限公司 | A kind of battery cap and power battery |
| CN110828720A (en) * | 2019-11-12 | 2020-02-21 | 浙江锦泰电子有限公司 | Battery cover plate |
-
2020
- 2020-12-23 CN CN202011537337.8A patent/CN114665200A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233215A (en) * | 2019-07-18 | 2019-09-13 | 东莞阿李自动化股份有限公司 | A kind of power battery top cover and power battery |
| CN110246993A (en) * | 2019-07-18 | 2019-09-17 | 东莞阿李自动化股份有限公司 | A kind of battery cap and power battery |
| CN110828720A (en) * | 2019-11-12 | 2020-02-21 | 浙江锦泰电子有限公司 | Battery cover plate |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204100A (en) * | 2021-12-10 | 2022-03-18 | 合肥力翔电池科技有限责任公司 | Lithium ion battery composite pole cover plate and assembling equipment thereof |
| CN114204100B (en) * | 2021-12-10 | 2023-08-22 | 合肥力翔电池科技有限责任公司 | Lithium ion battery composite pole cover plate and assembly equipment thereof |
| CN115498331A (en) * | 2022-09-21 | 2022-12-20 | 武汉富航精密工业有限公司 | Secondary battery cover plate structure assembly and production process |
| CN115498331B (en) * | 2022-09-21 | 2024-01-26 | 武汉富航精密工业有限公司 | Secondary battery cover plate structure assembly and production process |
| CN115395151A (en) * | 2022-10-10 | 2022-11-25 | 广东力宏精密科技有限公司 | Battery cover plate, preparation method and battery |
| GB2623851A (en) * | 2022-10-17 | 2024-05-01 | Ningbo Zhenyu Tech Co Ltd | Method for stamping and integrally molding top cover sheet, battery top cover structure and manufacturing method thereof |
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