CN211924669U - Conjuncted utmost point ear hot briquetting device - Google Patents
Conjuncted utmost point ear hot briquetting device Download PDFInfo
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- CN211924669U CN211924669U CN201922224298.5U CN201922224298U CN211924669U CN 211924669 U CN211924669 U CN 211924669U CN 201922224298 U CN201922224298 U CN 201922224298U CN 211924669 U CN211924669 U CN 211924669U
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Abstract
The utility model provides a conjuncted utmost point ear hot briquetting device, an utmost point ear group is constituteed to anodal ear strap and negative pole ear strap, and anodal ear strap and negative pole ear strap are arranged side by side according to the interval of designing requirement, and a plurality of utmost point ear group aligns according to the both ends of utmost point ear strap and arranges the line, and the middle part is connected into conjuncted combination utmost point ear finished product area by a long utmost point ear adhesive tape. Because the material of anodal ear strap and negative pole ear strap is different, so adopted the linkage of two hot briquetting pressure heads, at first accomplished rapid heating up to the surface of strap through two sets of strap heating mechanisms, be higher than utmost point ear adhesive tape's melting point after, to utmost point ear adhesive tape internal surface formation temporary hot melt, the shaping is bonded with the strap hot pressing to utmost point ear adhesive tape through middle hot pressing mechanism again. The distance between the positive electrode lug and the negative electrode lug is ensured by the process of the conjoined electrode lug in the front of the lithium battery packaging, the later packaging process is reduced, the difficulty of positioning the electrode lug in the packaging process is reduced, and the packaging quality problem caused by overlapping of the electrode lug glue is reduced.
Description
Technical Field
The utility model relates to a lithium battery tab produces technical field, especially a conjuncted utmost point ear hot briquetting device.
Background
The positive and negative electrode tabs of the conventional flexible-package lithium battery are split, namely the positive electrode tabs and the negative electrode tabs are respectively arranged in different packaging discs. When the positive lug is produced, the positive lug or the negative lug can only be produced on one lug forming machine at the same time and cannot be produced simultaneously due to different materials of the positive lug and the negative lug. For the positive and negative electrode lugs with the metal bandwidth less than 2mm, the top seal width of the lithium battery is very small, the positioning difficulty of the center distance of the positive and negative electrode lugs is very high during top seal, and the most serious quality problems of poor lithium battery packaging or liquid leakage or swelling are easily caused by the overlapping of lug glue at the middle parts of the positive and negative electrode lugs.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to prior art not enough, provides a conjuncted utmost point ear hot briquetting device of convenient location equipment.
The to-be-solved technical problem of the utility model is realized through following technical scheme, an conjuncted utmost point ear hot briquetting device, its characteristics are: comprises a conjoined pole ear and a hot-press molding pressure head used for the conjoined pole ear,
the conjoined tab comprises a positive tab metal belt and a negative tab metal belt, one positive tab metal belt and one negative tab metal belt form a tab group, the positive tab metal belt and the negative tab metal belt are arranged side by side according to the interval of the design requirement, a plurality of tab groups are arranged in a line by aligning the two ends of the tab metal belts, and the middle of each tab group is connected into a conjoined combined tab finished product belt by a long tab adhesive tape;
the hot briquetting pressure head includes anodal ear shaping pressure head and negative pole ear shaping pressure head, and anodal ear shaping pressure head and negative pole ear shaping pressure head set up side by side along the adhesive tape direction of combination utmost point ear finished product area.
The technical problem to be solved by the utility model can be further realized by the following technical scheme, the hot-press forming pressure head comprises a middle hot-press mechanism for hot-press bonding of the lug adhesive tape and the metal band, the middle hot-press mechanism is provided with an upper hot-press end socket and a lower hot-press end socket which move synchronously and oppositely, two groups of metal band heating mechanisms are respectively arranged on the left side and the right side of the hot-press end socket, each group of metal band heating mechanisms is provided with a heating head which moves synchronously and oppositely, and the working temperature of the hot-press end socket is more than or equal to the softening point temperature of the lug adhesive tape and less than; the working temperature of the heating head is higher than the melting point temperature of the tab adhesive tape, and after the metal band heating mechanism starts to heat the metal band and the middle hot-pressing mechanism delays for not less than 0.1 second, the tab adhesive tape and the metal band start to be subjected to hot-pressing bonding molding.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, and a positive pole ear shaping pressure head and a negative pole ear shaping pressure head constitute a set ofly, and the spacing distance between the adjacent utmost point ear shaping pressure head group corresponds the setting with the utmost point ear group that makes up utmost point ear finished product area.
The to-be-solved technical problem of the utility model can also be further realized through following technical scheme, and the distance of two sets of strap heating mechanism and middle hot pressing mechanism is less than 1 mm.
Compared with the prior art, the utility model, constitute conjuncted combination utmost point ear finished product area by utmost point ear adhesive tape connection by positive negative pole ear group, utmost point ear group uses a lithium cell when using, and its utmost point ear adhesive tape is positive negative pole ear sharing, and the interval between the positive negative pole ear has just been guaranteed to the preceding one process of lithium cell encapsulation like this, has reduced later stage packaging process, has reduced the degree of difficulty of utmost point ear location in the packaging process, has reduced utmost point ear and has glued the appearance of overlapping the encapsulation quality problem that causes. And the method provides guarantee for the production of high-quality lithium batteries. The metal band of the positive electrode tab is generally an aluminum band, and the metal band of the negative electrode tab is generally a nickel band or a copper nickel plating band. Because the material of anodal ear strap and negative pole ear strap is different, so adopted the linkage of two hot briquetting pressure heads, at first accomplished rapid heating up to the surface of strap through two sets of strap heating mechanisms, be higher than utmost point ear adhesive tape's melting point after, to utmost point ear adhesive tape internal surface formation temporary hot melt, the shaping is bonded with the strap hot pressing to utmost point ear adhesive tape through middle hot pressing mechanism again. The method has the advantages of good formability, stable and reliable heating temperature, easy monitoring and convenient control, and stable hot pressing.
Drawings
Fig. 1 is a simplified structure diagram of the conjuncted tab of the present invention;
FIG. 2 is a schematic view of a hot press forming head;
fig. 3 is a side view of fig. 2.
Detailed Description
The following further describes particular embodiments of the present invention to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
A conjoined polar lug hot-pressing forming device,
comprises a conjoined pole ear and a hot-press molding pressure head used for the conjoined pole ear,
the conjoined tab comprises a positive tab metal belt and a negative tab metal belt, one positive tab metal belt and one negative tab metal belt form a tab group, the positive tab metal belt and the negative tab metal belt are arranged side by side according to the interval of the design requirement, a plurality of tab groups are arranged in a line by aligning the two ends of the tab metal belts, and the middle of each tab group is connected into a conjoined combined tab finished product belt by a long tab adhesive tape 4;
the hot briquetting pressure head includes anodal ear shaping pressure head 5 and negative pole ear shaping pressure head 6, and anodal ear shaping pressure head and negative pole ear shaping pressure head set up side by side along the adhesive tape direction of combination utmost point ear finished product area.
The hot-press forming pressure head comprises a middle hot-press mechanism 3 for hot-press bonding of a tab adhesive tape 4 and a metal strip 1, wherein the middle hot-press mechanism is provided with an upper hot-press end socket and a lower hot-press end socket which move synchronously in opposite directions, two groups of left and right metal strip heating mechanisms 2 are respectively arranged on two sides of the hot-press end sockets, each group of metal strip heating mechanisms is provided with an upper heating head and a lower heating head which move synchronously in opposite directions, and the working temperature of the hot-press end sockets is greater than or equal to the softening point temperature of the tab; the working temperature of the heating head is higher than the melting point temperature of the tab adhesive tape, and after the metal band heating mechanism starts to heat the metal band and the middle hot-pressing mechanism delays for not less than 0.1 second, the tab adhesive tape and the metal band start to be subjected to hot-pressing bonding forming;
and the spacing distance between the adjacent tab forming pressure heads is arranged corresponding to the tab group on the combined tab finished product belt.
The distance between the two groups of metal belt heating mechanisms and the middle hot-pressing mechanism is less than 1 mm.
Because the material of anodal ear strap and negative pole ear strap is different, so adopted the linkage of two hot briquetting pressure heads, at first accomplished rapid heating up to the surface of strap through two sets of strap heating mechanisms, be higher than utmost point ear adhesive tape's melting point after, to utmost point ear adhesive tape internal surface formation temporary hot melt, the shaping is bonded with the strap hot pressing to utmost point ear adhesive tape through middle hot pressing mechanism again.
The spacing between adjacent pole ear groups is equal.
The tab adhesive tapes are formed by combining, hot-melting and connecting adhesive tapes arranged on the front surface and the back surface of a tab metal belt together.
The utility model discloses a conjuncted utmost point ear mainly used positive pole ear strap width less than or equal to 2mm, use under the very little condition of width of lithium cell top seal.
The metal band of the positive electrode tab is generally an aluminum band, and the metal band of the negative electrode tab is generally a nickel band or a copper nickel plating band. The thickness of the positive electrode lug metal strip and the negative electrode lug metal strip is 20-60 mu m.
Claims (4)
1. The utility model provides an conjuncted utmost point ear hot briquetting device which characterized in that:
comprises a conjoined pole ear and a hot-press molding pressure head used for the conjoined pole ear,
the conjoined tab comprises a positive tab metal belt and a negative tab metal belt, one positive tab metal belt and one negative tab metal belt form a tab group, the positive tab metal belt and the negative tab metal belt are arranged side by side according to the interval of the design requirement, a plurality of tab groups are arranged in a line by aligning the two ends of the tab metal belts, and the middle of each tab group is connected into a conjoined combined tab finished product belt by a long tab adhesive tape; the hot briquetting pressure head includes anodal ear shaping pressure head and negative pole ear shaping pressure head, and anodal ear shaping pressure head and negative pole ear shaping pressure head set up side by side along the adhesive tape direction of combination utmost point ear finished product area.
2. The conjuncted tab hot press molding device according to claim 1, characterized in that: the hot-press molding pressure head comprises a middle hot-press mechanism for hot-press bonding of a tab adhesive tape and a metal band, the middle hot-press mechanism is provided with an upper hot-press end socket and a lower hot-press end socket which move synchronously and oppositely, two groups of metal band heating mechanisms are respectively arranged on two sides of the hot-press end sockets, each group of metal band heating mechanisms is provided with an upper heating head and a lower heating head which move synchronously and oppositely, and the working temperature of the hot-press end sockets is more than or equal to the softening point temperature of the tab adhesive tape and less than the; the working temperature of the heating head is higher than the melting point temperature of the tab adhesive tape, and after the metal band heating mechanism starts to heat the metal band and the middle hot-pressing mechanism delays for not less than 0.1 second, the tab adhesive tape and the metal band start to be subjected to hot-pressing bonding molding.
3. The conjuncted tab hot press molding device according to claim 1, characterized in that: and the spacing distance between the adjacent tab forming pressure heads is arranged corresponding to the tab group on the combined tab finished product belt.
4. The conjuncted tab hot press molding device according to claim 2, characterized in that: the distance between the two groups of metal belt heating mechanisms and the middle hot-pressing mechanism is less than 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224298.5U CN211924669U (en) | 2019-12-12 | 2019-12-12 | Conjuncted utmost point ear hot briquetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224298.5U CN211924669U (en) | 2019-12-12 | 2019-12-12 | Conjuncted utmost point ear hot briquetting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211924669U true CN211924669U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922224298.5U Active CN211924669U (en) | 2019-12-12 | 2019-12-12 | Conjuncted utmost point ear hot briquetting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211924669U (en) |
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2019
- 2019-12-12 CN CN201922224298.5U patent/CN211924669U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 222000 Lianyungang economic and Technological Development Zone, Lianyungang, Jiangsu, 8 Patentee after: Jiangsu delixin Electronic Technology Co.,Ltd. Address before: 222000 Lianyungang economic and Technological Development Zone, Lianyungang, Jiangsu, 8 Patentee before: LIANYUNGANG DELIXIN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |