CN214956994U - Cylindrical lithium cell banding secondary capping presses angle head - Google Patents
Cylindrical lithium cell banding secondary capping presses angle head Download PDFInfo
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- CN214956994U CN214956994U CN202120547043.7U CN202120547043U CN214956994U CN 214956994 U CN214956994 U CN 214956994U CN 202120547043 U CN202120547043 U CN 202120547043U CN 214956994 U CN214956994 U CN 214956994U
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- end socket
- cylindrical lithium
- corner
- sealing
- lithium battery
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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 utility model discloses a cylindrical lithium battery edge sealing secondary top sealing corner pressing end socket, which relates to the production field of cylindrical lithium batteries and comprises an upper end socket and a lower end socket, wherein the upper end socket is provided with two upper end socket corner pressing parts, the lower end socket is provided with two lower end socket corner pressing parts, the upper end socket corner pressing parts are provided with first clearance gaps near the outer adjacent positions, and the lower end socket corner pressing parts are provided with second clearance gaps near the outer adjacent positions; after the upper end socket and the lower end socket are mutually pressed, the pressing angle part of the upper end socket and the pressing angle part of the lower end socket are mutually pressed and pressed on the middle position of the edge seal of the cylindrical lithium battery, and the first clearance gap and the second clearance gap are used for avoiding the clearance of the outer end part of the edge seal of the cylindrical lithium battery; the technical scheme mainly solves the technical problem of liquid leakage at the edge sealing and folding position after liquid injection in soft sealing packaging.
Description
Technical Field
The utility model relates to a cylindrical lithium cell's production field especially relates to a cylindrical lithium cell banding secondary capping presses angle head.
Background
In the production process of the cylindrical lithium battery, the top sealing is a procedure in the production process, two processes of hard sealing and soft sealing are adopted, the hard sealing packaging effect is good, liquid leakage rarely exists after liquid injection in the packaging process, and the soft sealing packaging effect is poor. However, the tab glue required by hard sealing is wide, and the small-diameter cylindrical lithium battery cannot meet the hard sealing process, so that only the soft sealing process can be adopted, and compared with the hard sealing, after the soft sealing packaging liquid injection, the edge sealing folding angle is easy to cause poor liquid leakage, so that the conventional cylindrical lithium battery has the defect of short service life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a cylindrical lithium cell banding secondary apical sealing pressure angle head, its technical problem who solves the liquid back banding dog-ear weeping of soft encapsulation.
In order to achieve the purpose, the utility model provides a cylindrical lithium battery edge sealing secondary top sealing corner pressing head, which comprises an upper head and a lower head, wherein the upper head is provided with two upper head corner pressing parts, the lower head is provided with two lower head corner pressing parts, the adjacent position of the upper head corner pressing parts is provided with a first clearance gap, and the adjacent position of the lower head corner pressing parts is provided with a second clearance gap; when after upper cover and the mutual pressfitting of low head, upper cover pressure bight and the mutual pressfitting of low head pressure bight just its pressfitting is in the middle part position of cylindrical lithium battery banding, first keep away empty breach and second and keep away empty breach and all keep away the sky to the outer tip of cylindrical lithium battery banding.
Preferably, the middle part of upper cover is provided with the first groove of dodging, the first groove setting of dodging is between two upper cover pressure bights, the first length of dodging the groove is greater than cylindrical lithium cell's length.
Preferably, the middle part of low head is provided with the second and dodges the groove, the second dodges the groove and sets up between two low head pressure bights, the length that the groove was dodged to the second is greater than cylindrical lithium cell's length.
Preferably, the width values D of the upper head pressure corner part and the lower head pressure corner part are both 1.5mm-2 mm.
Preferably, the upper end enclosure is provided with a plurality of first kidney-shaped holes longitudinally penetrating through the body.
Preferably, a plurality of second kidney-shaped holes longitudinally penetrating through the body are formed in the lower end enclosure.
Compared with the prior art, the beneficial effects of the utility model reside in that:
after the banding of cylindrical lithium cell has carried out once soft sealing, can adopt this head to carry out secondary encapsulation, during the operation, outside drive arrangement drive upper cover and the mutual pressfitting of low head, upper cover pressure bight and low head pressure bight also pressfitting each other and its pressfitting are on the middle part position of cylindrical lithium cell banding this moment, when the middle part position of cylindrical lithium cell banding receives the power of the mutual pressfitting of upper cover pressure bight and low head pressure bight, glue in the middle part position of the banding of cylindrical lithium cell is to the inside side and outside diffusion, make the inside glue of banding dog-ear very full, thereby solve banding dog-ear and often produce the bad technical problem of weeping.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a cylindrical lithium battery edge-sealed secondary top-sealed corner-pressing end socket provided by the utility model;
fig. 2 is a front view of the edge-sealed secondary top-sealed corner-pressing end socket of the cylindrical lithium battery provided by the utility model;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a cylindrical lithium battery banding secondary capping presses angle head, and it includes upper cover 1 and low head 2. The upper end enclosure 1 is provided with two upper end enclosure pressure corner parts 11, the lower end enclosure 2 is provided with two lower end enclosure pressure corner parts 21, the adjacent positions of the upper end enclosure pressure corner parts 11 close to the outside are provided with first clearance gaps 12, and the adjacent positions of the lower end enclosure pressure corner parts 21 close to the outside are provided with second clearance gaps 22; when the upper end socket 1 and the lower end socket 2 are pressed together, the upper end socket pressure corner portion 11 and the lower end socket pressure corner portion 21 are pressed together and pressed together at the middle position of the cylindrical lithium battery edge sealing, and the first clearance gap 12 and the second clearance gap 22 both avoid the outer end of the cylindrical lithium battery edge sealing.
Particularly, after the banding of cylindrical lithium cell has carried out primary soft sealing, can adopt this head to carry out secondary encapsulation, during the operation, outside drive arrangement drive upper cover 1 and the mutual pressfitting of low head 2, upper cover bight 11 and low head bight 21 also pressfitting each other and its pressfitting are on cylindrical lithium cell banding 3's middle part position (as shown in fig. 2 and fig. 3) this moment, when cylindrical lithium cell banding 3's middle part position receives the power of the mutual pressfitting of upper cover bight 11 and low head bight 21, glue in cylindrical lithium cell's the banding 3 middle part position of middle part is inside to the outside diffusion, make the inside glue of 3 dog angles of banding very full, thereby solve 3 dog angles of banding and often produce the bad technical problem of weeping.
Specifically, wherein the middle part of upper cover 1 is provided with first groove 13 of dodging, first groove 13 of dodging sets up between two upper cover pressure bights 11, the length of first groove 13 of dodging is greater than the length of cylindrical lithium cell. Wherein the middle part of low head 2 is provided with the second and dodges groove 23, the second is dodged groove 23 and is set up between two low head pressure bights 21, the length that the second dodged groove 23 is greater than the length of cylindrical lithium cell. Through setting up first groove 13 and the second groove 23 of dodging, can dodge the sky to cylindrical battery when upper cover 1 and lower head 2 each other pressfitting, adopt this structural design's head reasonable compacter more.
As shown in fig. 3, since the external dimensions of the cylindrical battery are standardized, the width values D of the upper head pressure corner 11 and the lower head pressure corner 21 are preferably between 1.5mm and 2mm, which is convenient for pressing the middle part of the edge seal 3 of the cylindrical battery in the prior art, and solves the technical problem that the liquid leakage at the folded corner of the edge seal 3 is often poor.
More specifically, a plurality of first kidney-shaped holes 14 longitudinally penetrating through the body are formed in the upper end enclosure 1, and a plurality of second kidney-shaped holes 24 longitudinally penetrating through the body are formed in the lower end enclosure 2. Particularly, can fix upper cover 1 on the compression fittings outside through the screw passes first kidney-shaped hole 14, pass second kidney-shaped hole 24 through the screw and can fix lower head 2 on the compression fittings outside, through setting up first kidney-shaped hole 14 and second kidney-shaped hole 24, can adjust the relative position of upper cover 1 and lower cover 2, ensure that upper cover pressure bight 11 and lower cover pressure bight 21 can aim at, also ensured simultaneously that upper cover pressure bight 11 and lower cover pressure bight 21 can aim at the middle part position of banding 3, it has the convenient advantage of regulation.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (6)
1. The edge sealing secondary top sealing corner pressing end socket for the cylindrical lithium battery is characterized by comprising an upper end socket (1) and a lower end socket (2), wherein two upper end socket corner pressing parts (11) are arranged on the upper end socket (1), two lower end socket corner pressing parts (21) are arranged on the lower end socket (2), a first clearance gap (12) is arranged at the position, close to the outer adjacent, of the upper end socket corner pressing parts (11), and a second clearance gap (22) is arranged at the position, close to the outer adjacent, of the lower end socket corner pressing parts (21); when the upper end socket (1) and the lower end socket (2) are mutually pressed, the upper end socket pressing corner portion (11) and the lower end socket pressing corner portion (21) are mutually pressed and pressed at the middle position of the edge sealing of the cylindrical lithium battery, and the first clearance gap (12) and the second clearance gap (22) are used for avoiding the outer end portion of the edge sealing of the cylindrical lithium battery.
2. The edge sealing secondary top sealing corner pressing end socket for the cylindrical lithium battery according to claim 1, wherein a first avoiding groove (13) is formed in the middle of the upper end socket (1), the first avoiding groove (13) is formed between the two upper end socket corner pressing portions (11), and the length of the first avoiding groove (13) is larger than that of the cylindrical lithium battery.
3. The edge sealing secondary top sealing corner pressing end socket for the cylindrical lithium battery according to claim 1, wherein a second avoiding groove (23) is formed in the middle of the lower end socket (2), the second avoiding groove (23) is formed between the two lower end socket corner pressing portions (21), and the length of the second avoiding groove (23) is larger than that of the cylindrical lithium battery.
4. The edge sealing secondary top sealing corner head for the cylindrical lithium battery as claimed in claim 1, wherein the width D of the upper sealing head corner pressing part (11) and the width D of the lower sealing head corner pressing part (21) are both 1.5mm-2 mm.
5. The edge-sealing secondary top-sealing corner-pressing end socket for the cylindrical lithium battery as claimed in claim 1, wherein a plurality of first kidney-shaped holes (14) longitudinally penetrating through the body are formed in the upper end socket (1).
6. The edge-sealing secondary top-sealing corner-pressing end socket for the cylindrical lithium battery as claimed in claim 1, wherein a plurality of second kidney-shaped holes (24) longitudinally penetrating through the body are formed in the lower end socket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547043.7U CN214956994U (en) | 2021-03-17 | 2021-03-17 | Cylindrical lithium cell banding secondary capping presses angle head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547043.7U CN214956994U (en) | 2021-03-17 | 2021-03-17 | Cylindrical lithium cell banding secondary capping presses angle head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214956994U true CN214956994U (en) | 2021-11-30 |
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ID=79040330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120547043.7U Active CN214956994U (en) | 2021-03-17 | 2021-03-17 | Cylindrical lithium cell banding secondary capping presses angle head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214956994U (en) |
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2021
- 2021-03-17 CN CN202120547043.7U patent/CN214956994U/en active Active
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