CN211907598U - Battery packaging end socket and battery - Google Patents
Battery packaging end socket and battery Download PDFInfo
- Publication number
- CN211907598U CN211907598U CN202020459547.9U CN202020459547U CN211907598U CN 211907598 U CN211907598 U CN 211907598U CN 202020459547 U CN202020459547 U CN 202020459547U CN 211907598 U CN211907598 U CN 211907598U
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- Prior art keywords
- battery
- heat
- sealing area
- end socket
- utmost point
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 238000010030 laminating Methods 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 27
- 230000007704 transition Effects 0.000 claims description 10
- 239000004033 plastic Substances 0.000 abstract description 17
- 239000012528 membrane Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 description 12
- 238000007731 hot pressing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 239000012785 packaging film Substances 0.000 description 8
- 229920006280 packaging film Polymers 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002791 soaking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
-
- 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
Abstract
The utility model discloses a battery packaging end socket and a battery, wherein the battery packaging end socket comprises an end socket body, a first heat sealing area is arranged on the end socket body, and the first heat sealing area is arranged corresponding to a heat sealing area to be treated of the battery; a second heat-sealing area is arranged on one side of the end socket body close to the battery, and the second heat-sealing area is arranged corresponding to the side sealing area and/or the second sealing area of the battery; the first heat-seal area is provided with the groove of dodging with the utmost point ear correspondence of battery, and one side that the head body kept away from the battery is provided with supplementary heater block, and the position of supplementary heater block corresponds with the position of utmost point ear, and supplementary heater block and utmost point ear laminating. Through setting up supplementary heater block to with supplementary heater block and utmost point ear laminating setting, can heat pressing in-process through supplementary heater block to utmost point ear, and then make the utmost point ear glue that sets up around the utmost point ear melt, and then the joint strength between effectual reinforcing plastic envelope membrane and the utmost point ear reduces the risk of utmost point ear and plastic envelope membrane's hookup location's weeping.
Description
Technical Field
The utility model relates to a lithium ion battery encapsulation equipment technical field especially relates to a battery encapsulation head and battery.
Background
With the development and progress of battery technology, lithium ion batteries are widely applied to various electronic devices due to the advantages of high energy density, small environmental pollution and the like, the lithium ion batteries can be produced and manufactured without a packaging process, the packaging reliability of a battery core plays a key role in the normal use of the batteries, and the normal use of the lithium ion batteries can be ensured only if the inside of the battery core is in a vacuum, oxygen-free and water-free environment.
And the structure of battery encapsulation head commonly used is mostly linear type head. After the top seal and the air exhaust seal are completed, a right-angle structure is formed at the junction of the top seal and the air exhaust seal, and the PP layer of the plastic package film is easily damaged after being bent for multiple times, so that the phenomenon of poor insulation is generated. And because the sealing area at the junction is too small, potential safety hazards such as liquid leakage are easily generated due to too small area after the edges of the four corners of the battery cell are cut.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: the utility model provides a battery encapsulation head, it can effectually solve the insulating bad problem that the juncture of top seal and the sealed of bleeding damaged the cause easily.
The embodiment of the utility model provides a another aim at: provided is a battery which is highly safe to use.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the battery packaging end socket comprises an end socket body, wherein a first heat-sealing area is arranged on the end socket body and corresponds to a to-be-heat-sealed area of a battery; a second heat-sealing area is arranged on one side, close to the battery, of the seal head body, and the second heat-sealing area is arranged corresponding to the side sealing area of the battery and/or the end part of the second sealing area; first heat-seal district with the utmost point ear of battery corresponds and is provided with and dodges the groove, the head body is kept away from one side of battery is provided with supplementary heater block, the position of supplementary heater block with the position of utmost point ear is corresponding, just supplementary heater block with utmost point ear laminating.
As an optimal technical scheme of the utility model, the head body includes upper cover and low head, the upper cover with the low head symmetry is provided with first heat-seal district the second heat-seal district with supplementary heater block.
As an optimized technical scheme of the utility model, two be provided with spacing arch in the auxiliary heating part on arbitrary one, correspond on another and be provided with and dodge the structure, spacing arch with dodge the structure cooperation and injectd utmost point ear.
As an optimal technical scheme of the utility model, the head body is kept away from one side of battery is provided with the holding tank, supplementary heater block set up in the holding tank.
As a preferred technical scheme of the utility model, the holding tank corresponds supplementary heater block is provided with the setting element, the one end of supplementary heater block with one side laminating location of setting element install in the holding tank.
As an optimal technical scheme of the utility model, the edge and the corner in first heat-seal district adopt circular arc transition structure, the edge and the corner in second heat-seal district adopt circular arc transition structure.
As an optimized technical scheme of the utility model, first heat-seal district with adopt circular arc transition structure between the second heat-seal district.
As an optimized technical scheme of the utility model, the head body corresponds the encapsulated area of battery is provided with keeps away gluey groove.
As an optimized technical scheme of the utility model, the head body is kept away from one side in first heat-seal district is provided with the soaking board.
On the other hand, the battery made of the battery packaging end socket is provided, and the area to be heat-sealed of the battery is heat-sealed through the battery packaging end socket.
The utility model has the advantages that: the first heat sealing area is arranged on the end socket, so that the side sealing position and the top sealing position of the battery can be sealed in a hot pressing mode; secondly, a second heat-sealing area is arranged on one side of the end enclosure body corresponding to the side sealing area and the second sealing area of the battery, so that a heat-sealing reinforcing area can be formed at the position of the battery corresponding to the side sealing area and the second sealing area, the bonding strength of the plastic packaging film at the junction position of the top sealing area and the side sealing area and the second sealing area is effectively increased, and the potential safety hazard problem caused by small connecting area at the connecting position can be avoided; the avoidance grooves are formed in the first heat sealing area corresponding to the polar lugs, so that the situation that the polar lugs are located between the end socket bodies to form obstruction in the heat sealing process to cause the end socket bodies not to tightly press the plastic packaging film can be avoided, and the hot pressing quality of the plastic packaging film is further ensured; through setting up supplementary heater block to with supplementary heater block and utmost point ear laminating setting, can heat pressing in-process through supplementary heater block to utmost point ear, and then make the utmost point ear glue that sets up around the utmost point ear melt, and then the joint strength between effectual reinforcing plastic envelope membrane and the utmost point ear reduces the risk of utmost point ear and plastic envelope membrane's hookup location's weeping.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the embodiment of the utility model discloses an upper cover schematic diagram.
Fig. 2 is the embodiment of the present invention, the schematic view of the lower head.
Fig. 3 is a top view of the upper head according to the embodiment of the present invention.
Fig. 4 is a top view of the lower head according to the embodiment of the present invention.
Fig. 5 is a schematic diagram of a battery according to an embodiment of the present invention.
In the figure:
1. a seal head body; 11. a first heat seal land; 12. a second heat seal land; 13. an avoidance groove; 14. accommodating grooves; 15. a positioning member; 16. a glue avoiding groove; 2. an auxiliary heating member; 21. a limiting bulge; 22. an avoidance structure; 31. a region to be heat sealed; 32. a side sealing area; 33. a second sealing area; 34. a tab; 35. a heat seal enhancement zone; 36. And (5) battery cores.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, in this embodiment, the battery packaging end socket according to the present invention includes an end socket body 1, wherein a first heat sealing area 11 is disposed on the end socket body 1, and the first heat sealing area 11 is disposed corresponding to a region 31 to be heat sealed of a battery; a second heat sealing area 12 is arranged on one side of the end socket body 1 close to the battery, and the second heat sealing area 12 is arranged corresponding to a side sealing area 32 and/or a second sealing area 33 of the battery; the first heat-seal area 11 is provided with the dodging groove 13 corresponding with the utmost point ear 34 of battery, and one side that the battery was kept away from to head body 1 is provided with auxiliary heating part 2, and auxiliary heating part 2's position is corresponding with the position of utmost point ear 34, and the laminating of auxiliary heating part 2 and utmost point ear 34.
The first heat sealing area 11 is arranged on the end socket and can be used for realizing the hot-pressing sealing of the side sealing position and the top sealing position of the battery; secondly, by arranging the second heat-sealing area 12 at one side of the end socket body 1 corresponding to the side sealing area 32 and the second sealing area 33 of the battery, a heat-sealing enhancement area 35 can be formed at the position of the battery corresponding to the side sealing area 32 and the second sealing area 33, so that the bonding strength of the plastic packaging film at the junction position of the top sealing area and the side sealing area 32 and the second sealing area 33 is effectively increased, and the potential safety hazard problem caused by small connecting area at the connecting position can be avoided; the avoidance grooves 13 are formed in the first heat sealing area 11 corresponding to the tabs 34, so that the situation that the tabs 34 are positioned between the end socket bodies 1 to form obstruction in the heat sealing process to cause the end socket bodies 1 not to compress the plastic packaging film can be avoided, and the hot pressing quality of the plastic packaging film is further ensured; through setting up auxiliary heating part 2 to with the laminating setting of auxiliary heating part 2 and utmost point ear 34, can heat pressing in-process through auxiliary heating part 2 to utmost point ear 34, and then make the utmost point ear glue that sets up around utmost point ear 34 melt, and then the joint strength between effectual reinforcing plastic envelope membrane and the utmost point ear 34 reduces the risk of utmost point ear 34 and plastic envelope membrane's hookup location's weeping.
Specifically, in the embodiment of the present invention, the heat-sealing enhancement region 35 is a heat-pressing effect of the second heat-sealing region 12 on the side close to the battery in the first heat-sealing region 11 on the plastic-sealing film of the battery, so that a heat-pressing region corresponding to the second heat-sealing region 12 is formed on the side close to the battery, the size and the width of the heat-pressing region can be set according to actual requirements, as long as the heat-pressing region having the enhancement effect can be formed at the junction of the top sealing region 32 and the side sealing region 33.
The utility model discloses a specific embodiment, head body 1 includes upper cover and low head, and upper cover and low head symmetry are provided with first heat-seal district 11, second heat-seal district 12 and auxiliary heating part 2. Namely, the battery packaging end socket comprises an upper end socket and a lower end socket, and the upper end socket and the lower end socket are matched to form a hot-pressing effect on the plastic film of the battery from two sides of the battery, so that the edge position of the plastic film for packaging the battery is sealed by hot pressing, and the battery core 36 of the battery is packaged.
Further, any one of the two auxiliary heating components 2 is provided with a limiting protrusion 21, the other one is correspondingly provided with an avoiding structure 22, and the limiting protrusion 21 and the avoiding structure 22 are matched to limit the tab 34. Namely, the auxiliary heating component 2 arranged on the upper end enclosure or the lower end enclosure is provided with a limiting bulge 21 corresponding to the edge position of the tab 34, and the limiting bulge 21 of the auxiliary heating component 2 arranged on the lower end enclosure or the upper end enclosure is provided with an avoiding structure 22. Through correspond utmost point ear 34 on upper cover or low head and set up spacing arch 21, can form limiting displacement to utmost point ear 34 of battery, when carrying out hot-pressing seal to the battery, can play the positioning action to utmost point ear 34 of battery, and then play the positioning action to electric core 36 in the inside position of battery, avoid electric core 36 at the in-process offset plastic envelope membrane's of encapsulation preset the position, lead to the heat-seal limit undersize problem of battery, or the head forms extrusion to electric core 36 and destroys electric core 36 structure scheduling problem, and then the encapsulation reliability of effectual promotion battery, guarantee the encapsulation effect to the battery and the security of battery.
The embodiment of the utility model provides an in, one side that head body 1 kept away from the battery is provided with holding tank 14, and supplementary heater block 2 sets up in holding tank 14.
Furthermore, the accommodating groove 14 is provided with a positioning element 15 corresponding to the auxiliary heating element 2, and one end of the auxiliary heating element 2 is attached to one side of the positioning element 15 and is positioned in the accommodating groove 14.
Through setting up holding tank 14 on head body 1 to with supplementary heater block 2 setting in holding tank 14, can the effectual setting of reducing supplementary heater block 2 occupy head body 1's space, and can utilize being connected of head body 1 and supplementary heater block 2 to carry out heat conduction to supplementary heater block 2, avoid additionally setting up the heating source and heat supplementary heater block 2, can effectual reduction the manufacturing degree of difficulty of battery encapsulation head to and reduce manufacturing cost.
Through setting up setting element 15, can be convenient for realize the location installation to auxiliary heating part 2, the installation degree of difficulty of effectual reduction auxiliary heating part 2 improves auxiliary heating part 2's installation effectiveness.
In an alternative embodiment, the auxiliary heating element 2 may also be of a detachable construction. And different auxiliary heating parts 2 are replaced to adapt to the packaging of batteries with different specifications.
Further, a circular arc transition structure is adopted between the first heat-sealing area 11 and the second heat-sealing area 12.
The embodiment of the utility model provides an in, the edge and the corner in first heat-seal zone 11 adopt circular arc transition structure, and the edge and the corner in second heat-seal zone 12 adopt circular arc transition structure. The edge position and the corner position of the heat sealing area of the battery packaging end socket adopt arc transition structures, so that the shearing action of the vertical edge or the right-angle corner of the end socket on the plastic packaging film of the battery during the process of carrying out hot pressing on the battery can be effectively avoided, the integrity of the plastic packaging film is prevented from being damaged, and the packaging reliability of the battery is ensured.
In the embodiment of the present invention, the encapsulated area of the battery corresponding to the head body 1 is provided with the glue avoiding groove 16.
Through keeping away gluey groove 16 in the regional setting of the encapsulation that corresponds the battery on head body 1, can effectually avoid forming reheat hot pressing to the side seal district 32 that has heat-sealed when carrying out the top seal corresponding the battery, avoid causing the destruction to the plastic envelope membrane.
In an alternative embodiment, the side of the closure body 1 remote from the first heat-sealing zone 11 is provided with a soaking plate. Through setting up the soaking plate, everywhere temperature that can effectual assurance head body 1 is balanced, avoids forming heat at some positions of head body 1 and concentrates, and then causes partial position hot pressing excessive, and partial position heating temperature is not enough etc. influences the effect of battery heat-seal, the reliability of effectual assurance battery encapsulation.
The embodiment of the utility model provides an in, head body 1 adopts special steel materials such as NAK80 to make to avoid the head to produce because the effect of hot pressure is out of shape in the use, and then influence the heat-seal effect.
On the other hand, in the embodiment of the utility model provides an in, still provide the battery that adopts above-mentioned battery encapsulation head to make, the heat-seal district 31 of treating of this battery is through foretell battery encapsulation head heat-seal.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship based on what is shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The battery packaging end socket is characterized by comprising an end socket body, wherein a first heat-sealing area is arranged on the end socket body and corresponds to a to-be-heat-sealed area of a battery; a second heat-sealing area is arranged on one side, close to the battery, of the seal head body, and the second heat-sealing area is arranged corresponding to the side sealing area of the battery and/or the end part of the second sealing area; first heat-seal district with the utmost point ear of battery corresponds and is provided with and dodges the groove, the head body is kept away from one side of battery is provided with supplementary heater block, the position of supplementary heater block with the position of utmost point ear is corresponding, just supplementary heater block with utmost point ear laminating.
2. The battery packaging seal head of claim 1, wherein the seal head body comprises an upper seal head and a lower seal head, and the first heat sealing area, the second heat sealing area and the auxiliary heating component are correspondingly arranged on the upper seal head and the lower seal head.
3. The battery packaging end socket according to claim 2, wherein one of the two auxiliary heating components is provided with a limiting protrusion, the other auxiliary heating component is correspondingly provided with an avoiding structure, and the limiting protrusion and the avoiding structure are matched to limit the tab.
4. The battery packaging seal head of claim 1, wherein a receiving groove is formed in one side of the seal head body away from the battery, and the auxiliary heating component is disposed in the receiving groove.
5. The battery packaging end socket according to claim 4, wherein the accommodating groove is provided with a positioning member corresponding to the auxiliary heating member, and one end of the auxiliary heating member is attached to one side of the positioning member and is positioned and installed in the accommodating groove.
6. The battery packaging head according to claim 1, wherein the edge and the corner of the first heat-sealing area adopt an arc transition structure, and the edge and the corner of the second heat-sealing area adopt an arc transition structure.
7. A battery packaging head according to claim 1, wherein the first heat-seal land and the second heat-seal land are in a circular arc transition structure.
8. The battery packaging head of claim 1, wherein the head body is provided with glue avoiding grooves corresponding to the packaged area of the battery.
9. The battery packaging head according to claim 1, wherein a side of the head body away from the first heat-seal zone is provided with a heat spreader.
10. A battery made of the battery packaging end socket of any one of 1 to 9 is characterized in that a region to be heat-sealed of the battery is heat-sealed through the battery packaging end socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020459547.9U CN211907598U (en) | 2020-04-01 | 2020-04-01 | Battery packaging end socket and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020459547.9U CN211907598U (en) | 2020-04-01 | 2020-04-01 | Battery packaging end socket and battery |
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| Publication Number | Publication Date |
|---|---|
| CN211907598U true CN211907598U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020459547.9U Active CN211907598U (en) | 2020-04-01 | 2020-04-01 | Battery packaging end socket and battery |
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| CN (1) | CN211907598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488726A (en) * | 2021-07-14 | 2021-10-08 | 宁德新能源科技有限公司 | Electrochemical device, battery pack, electric device and packaging device |
| CN116598561A (en) * | 2023-05-09 | 2023-08-15 | 深圳欣视界科技有限公司 | Packaging method of laminated battery cell and laminated battery |
-
2020
- 2020-04-01 CN CN202020459547.9U patent/CN211907598U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488726A (en) * | 2021-07-14 | 2021-10-08 | 宁德新能源科技有限公司 | Electrochemical device, battery pack, electric device and packaging device |
| CN116598561A (en) * | 2023-05-09 | 2023-08-15 | 深圳欣视界科技有限公司 | Packaging method of laminated battery cell and laminated battery |
| CN116598561B (en) * | 2023-05-09 | 2024-04-16 | 深圳欣界能源科技有限公司 | Packaging method of laminated battery cell and laminated battery |
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