CN112467312A - Tab convenient to trace and manufacturing method thereof - Google Patents
Tab convenient to trace and manufacturing method thereof Download PDFInfo
- Publication number
- CN112467312A CN112467312A CN202011329452.6A CN202011329452A CN112467312A CN 112467312 A CN112467312 A CN 112467312A CN 202011329452 A CN202011329452 A CN 202011329452A CN 112467312 A CN112467312 A CN 112467312A
- Authority
- CN
- China
- Prior art keywords
- tab
- identification code
- glue
- utmost point
- trace
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000003292 glue Substances 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910002482 Cu–Ni Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a conveniently traceable tab and a manufacturing method thereof.A 2D identification code is engraved at the position of a preset identification code of a tab metal band through an integrated device in sequence, tab glue is welded at the position of the preset tab glue of the tab metal band through high-frequency welding corresponding to the 2D identification code, and then relevant quality parameters and production data are detected and stored through CCD (charge coupled device) online vision, so that the conveniently traceable tab is manufactured. The metal belt of the lug is provided with at least one laser-engraved 2D identification code, and production parameters and detection data of each lug can be ensured to correspond to the 2D identification code on the lug, so that the lug can be traced conveniently. Further, since the 2D identification code is laser engraved on the tab metal strip, it is not easily erased like a conventional printed code. Meanwhile, independent processes and equipment are reduced, so that the number of operators and the placement space are reduced, and the production efficiency and the yield are improved.
Description
Technical Field
The invention relates to the field of lithium ion batteries, in particular to a tab convenient to trace and a manufacturing method thereof.
Background
The lithium ion battery mainly comprises a positive electrode, a negative electrode, an isolating membrane and electrolyte, wherein a tab is a metal conductor for leading the positive electrode and the negative electrode out of a battery cell. The tab glue is an insulated part on the tab, and has the functions of preventing the short circuit between a tab metal belt and an aluminum plastic film during battery packaging and preventing liquid leakage through hot melting, sealing and bonding of a heat sealing head and the aluminum plastic film during packaging.
With the development of lithium battery technology and the continuous expansion of applications, people have higher and higher performance requirements on various aspects of lithium battery. The safety problem caused by high energy of the energy is difficult to bypass the industry. However, all current safety designs cannot completely avoid the occurrence of explosion accidents. Therefore, a rapid reaction tracing system is established, and the product information corresponding to the problem battery can be accurately and rapidly traced clearly. The general technology is to make identification codes on the tabs, but the current common practice is to make tab glue on tab metal strips to obtain tab strips, one is to rewind the tab strips and then make common bar codes or codes on the tab strips; one is to make common bar codes or codes on the semi-finished tabs one by one after the tab belts are made into single semi-finished tabs. Mainly in the following problems:
1. both methods fail to accurately trace the production parameters and data of tab glue produced on the tab metal strips one by one.
2. Two kinds of processes are independent secondary operation again, have increased the defective products and have produced the probability, seriously influence production efficiency simultaneously.
3. Both common bar codes or codes are printed codes and are easy to erase, so that the traceability is lost.
4. The whole manufacturing process lacks quality on-line detection, and is difficult to remove defective products independently, thereby bringing quality risks or enlarging scrapping.
5. Common bar codes or codes have limited data information to store.
Disclosure of Invention
Therefore, it is necessary to provide a tab convenient to trace and a manufacturing method thereof for solving the problems in the prior art, and the conventional two independent processes of welding tab glue on a tab metal strip and then manufacturing an identification code are integrated into a whole, so that the process steps of manufacturing the identification code, welding the tab glue and performing CCD (charge coupled device) online visual detection are integrated into one device. The method comprises the following specific working steps:
s10, presetting the positions of tab glue and identification codes according to the sizes of required tabs and tab glue, distributing 2D identification codes, engraving the correspondingly distributed 2D identification codes at the positions of the preset identification codes of the tab metal bands through laser, and scanning the codes for confirmation to obtain semi-finished tab bands with the 2D identification codes;
s20, corresponding to the 2D identification code, welding tab glue at a preset tab glue position of a tab metal belt through high-frequency welding to obtain a finished tab belt;
s30, visually detecting the relevant quality of all the tab belts, the tab glue and the 2D identification code on line through the CCD, storing relevant quality parameters and production data, and winding the quality parameters and the production data into a tab coil material for the next procedure to directly cut the tabs.
Thereby avoiding tracing the problem, reducing procedures and equipment and improving the production yield and efficiency.
Furthermore, the lug convenient to trace back is characterized in that an Al/Ni/Cu-Ni metal belt is used as a base belt, and a 2D identification code is engraved at the position of the preset identification code of the lug metal base belt through laser. Corresponding to the 2D identification code, the tab glue is welded at the tab metal base band preset tab glue position through high-frequency welding.
The invention has the beneficial effects that: the invention discloses a conveniently traceable tab and a manufacturing method thereof, wherein the tab glue is welded on a tab metal belt in the prior art, an identification code is manufactured, two independent processes and equipment are integrated into a whole, the steps of identification code manufacturing, tab glue welding and CCD online visual detection are integrated into one equipment, a 2D identification code is engraved at the position of a preset identification code of the tab metal belt in sequence, the tab glue is welded at the position of the preset tab glue of the tab metal belt through high-frequency welding corresponding to the 2D identification code, and then the related quality parameters and production data are stored through CCD online visual detection to manufacture the conveniently traceable tab. The production parameters and the detection data of each lug can be ensured to correspond to the 2D identification code on the lug, and the lug can be traced conveniently. Further, since the 2D identification code is laser engraved on the tab metal strip, it is not easily erased like a conventional printed code. Meanwhile, independent processes and equipment are reduced, so that the number of operators and the placement space are reduced, and the production efficiency and the yield are improved.
Drawings
FIG. 1: the invention relates to a tab convenient to trace and a manufacturing method thereof.
FIG. 2: the invention provides a tab (single code) convenient to trace.
FIG. 3: the invention provides a lug (double code) convenient to trace.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments in order to further understand the features and technical means of the invention and achieve specific objects and functions.
The embodiment of the invention discloses a tab convenient to trace and a manufacturing method thereof, wherein the manufacturing method integrates two independent processes of welding tab glue on a tab metal belt and manufacturing an identification code into a whole, integrates the steps of identification code manufacturing, tab glue welding and CCD (charge coupled device) online visual detection into a whole, sequentially carves a 2D identification code at a position where the identification code is preset on the tab metal belt, corresponds to the 2D identification code, welds the tab glue at the position where the tab glue is preset on the tab metal belt through high-frequency welding, and performs CCD online visual detection and stores related quality parameters and production data to manufacture the tab convenient to trace. The specific steps are shown in figure 1:
s10, presetting the positions of tab glue and identification codes according to the sizes of required tabs and tab glue, distributing 2D identification codes, engraving the correspondingly distributed 2D identification codes at the positions of the preset identification codes of the tab metal bands through laser, and scanning the codes for confirmation to obtain semi-finished tab bands with the 2D identification codes;
s20, corresponding to the 2D identification code, welding tab glue at a preset tab glue position of a tab metal belt through high-frequency welding to obtain a finished tab belt;
s30, visually detecting the relevant quality of all the tab belts, the tab glue and the 2D identification code on line through the CCD, storing relevant quality parameters and production data, and winding the quality parameters and the production data into a tab coil material for the next procedure to directly cut the tabs.
Specific example 1:
as shown in fig. 2, by the preparation method, S10 presets tab glue 3 and identification code positions according to the sizes of the required tab a and tab glue 3, allocates a 2D identification code 2, engraves the correspondingly allocated 2D identification code 2 at the position of the preset identification code of the tab metal strip 1 by laser, and performs code scanning confirmation to obtain a semi-finished tab strip a1 with the 2D identification code 2;
s20, corresponding to the 2D identification code 2, welding the tab glue 3 at the position of the tab glue 3 preset in the tab metal belt 1 through high-frequency welding to obtain a finished tab belt A2;
s30, visually detecting the relevant quality of all finished pole ear belts A2, pole ear glue 3 and 2D identification codes 2 on line through a CCD, storing relevant quality parameters and production data, and winding the quality parameters and the production data into a pole ear A coil stock for the next procedure to directly cut the pole ear A for use.
The tab A is characterized in that each tab A has a unique 2D identification code 2.
Specific example 2:
as shown in fig. 3, by the preparation method, S10 presets tab glue 3 and identification code positions according to the sizes of the required tab B and tab glue 3, allocates a 2D identification code 2, engraves the correspondingly allocated 2D identification code 2 at the position of the preset identification code of the tab metal strip 1 by laser, and performs code scanning confirmation to obtain a semi-finished tab strip B1 with the 2D identification code 2;
s20, corresponding to the 2D identification code 2, welding the tab glue 3 at the position of the tab glue 3 preset in the tab metal belt 1 through high-frequency welding to obtain a finished tab belt B2;
s30, visually detecting the relevant quality of all finished pole ear belts B2, pole ear glue 3 and 2D identification codes 2 on line through a CCD, storing relevant quality parameters and production data, and winding the quality parameters and the production data into a pole ear B coil stock for the next procedure to directly cut the pole ear B for use.
Utmost point ear B's characteristic is that every utmost point ear B has two 2D identification code 2, and two 2D identification code 2 are with sign indicating number unidimensional not, are located the both sides that utmost point ear glued 3 respectively.
The invention has the beneficial effects that:
1. the production parameters and the detection data of each lug can be ensured to correspond to the 2D identification code on the lug, and the lug can be traced conveniently.
2. Because the 2D identification code is laser engraved on the tab metal strip, the 2D identification code is not easy to erase like the traditional printed code.
3. Meanwhile, independent processes and equipment are reduced, so that the number of operators and the placement space are reduced, and the production efficiency and the yield are improved.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (3)
1. A tab convenient to trace and a manufacturing method thereof are characterized in that the method comprises the following steps: through welding the traditional utmost point ear metal strap at first and gluing, two independent processes and equipment integration integratively of reproduction identification code are integrated again, collect identification code preparation, utmost point ear glue welding and CCD on-line visual detection's successive work in a equipment, 2D identification code has been carved at utmost point ear strap preset identification code's position in proper order earlier, then correspond 2D identification code, it glues the position and has welded utmost point ear glue to predetermine utmost point ear through the high-frequency welding in utmost point ear metal base band, through CCD on-line visual detection and relevant quality parameter of storage and production data, make the utmost point ear of conveniently traceing back.
2. The tab convenient to trace and the manufacturing method thereof are characterized in that the tab based on the claim 1 comprises the following specific working steps:
s10, presetting the positions of tab glue and identification codes according to the sizes of required tabs and tab glue, distributing 2D identification codes, engraving the correspondingly distributed 2D identification codes at the positions of the preset identification codes of the tab metal bands through laser, and scanning the codes for confirmation to obtain semi-finished tab bands with the 2D identification codes;
s20, corresponding to the 2D identification code, welding tab glue at a preset tab glue position of a tab metal belt through high-frequency welding to obtain a finished tab belt;
s30, visually detecting the relevant quality of all the tab belts, the tab glue and the 2D identification code on line through the CCD, storing relevant quality parameters and production data, and winding the quality parameters and the production data into a tab coil material for the next procedure to directly cut the tabs.
3. The tab convenient to trace is characterized in that at least one laser-engraved 2D identification code is arranged on a metal belt of the tab convenient to trace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329452.6A CN112467312A (en) | 2020-11-25 | 2020-11-25 | Tab convenient to trace and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011329452.6A CN112467312A (en) | 2020-11-25 | 2020-11-25 | Tab convenient to trace and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112467312A true CN112467312A (en) | 2021-03-09 |
Family
ID=74799429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011329452.6A Pending CN112467312A (en) | 2020-11-25 | 2020-11-25 | Tab convenient to trace and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112467312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360319A (en) * | 2022-09-20 | 2022-11-18 | 楚能新能源股份有限公司 | Multi-tab battery cell pole piece information tracing method |
-
2020
- 2020-11-25 CN CN202011329452.6A patent/CN112467312A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360319A (en) * | 2022-09-20 | 2022-11-18 | 楚能新能源股份有限公司 | Multi-tab battery cell pole piece information tracing method |
| CN115360319B (en) * | 2022-09-20 | 2023-04-14 | 楚能新能源股份有限公司 | Multi-tab battery cell pole piece information tracing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210309 |