CN220510124U - Top sealing head of soft package battery - Google Patents
Top sealing head of soft package battery Download PDFInfo
- Publication number
- CN220510124U CN220510124U CN202320967784.XU CN202320967784U CN220510124U CN 220510124 U CN220510124 U CN 220510124U CN 202320967784 U CN202320967784 U CN 202320967784U CN 220510124 U CN220510124 U CN 220510124U
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- CN
- China
- Prior art keywords
- protrusion
- heating
- groove
- soft
- head
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- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 87
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 238000007747 plating Methods 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims description 2
- 229920006362 Teflon® Polymers 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 13
- 230000004308 accommodation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- -1 nickel-iron-fluorine Chemical compound 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a top sealing head of a soft-package battery, which comprises an upper sealing head and a lower sealing head; the upside of low head is equipped with down the heating arch, and the bellied intermediate position of lower heating is formed with two accommodation grooves of forward protruding, and the interval sets up between two accommodation grooves, and the downside of upper head is equipped with the heating arch, and the heating arch sets up with lower heating arch mirror symmetry. The top sealing head can heat-seal the soft package battery with the front end having the convex structure, and heat-seal the soft package battery once to be formed, so that the packaging efficiency of the soft package battery is improved, and the production cost of the soft package battery is reduced.
Description
Technical Field
The utility model belongs to the technical field of battery processing, and particularly relates to a top sealing head of a soft package battery.
Background
In the soft package battery packaging process, a reserved seal area of the to-be-sealed aluminum plastic film semi-finished product battery core containing the stacked core is required to be placed in a top seal head for heat seal packaging; however, the existing top sealing head is of a straight-line type sealing head structure, and only can heat-seal the linear battery heat sealing edge. .
Disclosure of Invention
In view of the above, the present utility model discloses a top sealing head of a soft package battery to overcome or at least partially solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a top sealing head of a soft package battery, which comprises an upper sealing head and a lower sealing head;
the upper side of low head is equipped with down the heating arch, down the bellied intermediate position of heating is formed with two forward protruding holding tanks, and two the interval sets up between the holding tank, the downside of upper head is equipped with the heating arch, go up the heating arch with the bellied mirror symmetry setting of heating down.
Further, the shape of the accommodating groove is rectangular, square, circular arc or triangle.
Further, the heights of the lower heating protrusion and the upper heating protrusion are 3 mm-15 mm.
Further, the rear side edge of the lower heating protrusion and the corner on the rear side edge of the upper heating protrusion are provided with arc chamfers.
Further, a first groove is formed in the upper side face of the lower heating protrusion, and the first groove is located at the bottom of the accommodating groove;
the lower side surface of the upper heating protrusion is provided with a second groove, and the second groove is positioned at the bottom of the accommodating groove.
Further, the groove bottom and the groove top of the first groove and the groove bottom and the groove top of the second groove are connected through a first inclined plane or a first cambered surface.
Further, limit protrusions are arranged on the two ends of the lower heating protrusions and/or the two ends of the lower heating protrusions.
Further, the top of the limit protrusion is connected with the top of the upper heating protrusion or the top of the lower heating protrusion through a second inclined plane or a second cambered surface; or,
the top of the limiting protrusion is connected with the top of the upper heating protrusion and the top of the lower heating protrusion through a second inclined plane or a second cambered surface.
Further, nickel teflon plating layers are formed on the upper heating protrusion and the lower heating protrusion.
Further, the upper seal head and the lower seal head are provided with mounting holes.
The utility model has the advantages and beneficial effects that:
according to the top sealing head, the lower heating bulge and the upper heating bulge with the two forward convex accommodating grooves at the middle positions are arranged, so that the top sealing head can heat-seal the soft-package battery with the bulge structure at the front end, and the soft-package battery is formed by one-time heat sealing, so that the integral package of the front end of the soft-package battery is realized, the condition that the seal overlapping area is damaged due to repeated heat sealing is avoided, the packaging efficiency of the soft-package battery is improved, and the production cost of the soft-package battery is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a perspective view of a top sealing head of a soft pack battery according to an embodiment of the present utility model;
FIG. 2 is an elevation view of the top seal head of a pouch cell in one embodiment of the utility model;
FIG. 3 is a top view of a bottom head in one embodiment of the utility model;
fig. 4 is a perspective view of a pouch electric battery;
fig. 5 is a schematic view showing a structure of a top sealing head of a pouch battery when the pouch battery is heat-sealed according to an embodiment of the present utility model.
In the figure: 1. an upper end enclosure; 2. a lower end enclosure; 3. a lower heating protrusion; 4. a receiving groove; 5. heating the bulge; 6. a first groove; 7. a second groove; 8. a limit protrusion; 9. packaging the shell; 10. externally connected electrode lugs; 11. a boss; 12. insulating protective glue; 13. and (5) performing hot edge sealing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
For convenience in describing and understanding the top sealing head in the present utility model, the top sealing head in fig. 2 is referred to in the following embodiments in terms of up-down, front-back, and the like.
The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.
In one embodiment of the utility model, a top sealing head of a soft package battery is disclosed, and as shown in fig. 1 to 3, the top sealing head comprises an upper sealing head 1 and a lower sealing head 2.
Specifically, the upside of low head 2 is equipped with down the heating arch 3, and the intermediate position of lower heating arch 3 is formed with two holding tank 4 that bulge forward, and the interval sets up between two holding tanks 4, and the downside of upper head 1 is equipped with the heating arch 5, goes up the heating arch 5 and sets up with lower heating arch 3 mirror symmetry, and lower heating arch 3 and the cooperation of upper heating arch 5 extrude the reservation seal district of electric core to provide the heat, realize the heat-seal encapsulation of soft packet of battery. Wherein, the height of the lower heating bulge and the upper heating bulge is 3 mm-15 mm, and the width of the accommodating groove is 5 mm-15 mm.
It should be noted that, the top sealing head in this embodiment is used for heat sealing and packaging a soft package battery, as shown in fig. 4, the front end of the soft package battery includes a packaging shell 9, a battery core and two external electrode lugs 10; wherein, a main accommodating cavity is formed in the packaging shell 9, the battery cell is positioned in the main accommodating cavity, two protruding parts 11 are formed at the front end of the packaging shell 9, a secondary accommodating cavity is formed in the protruding parts 11, the rear end of the secondary accommodating cavity is communicated with the front end of the main accommodating cavity, two external electrode lugs 10 respectively penetrate through the front ends of the two protruding parts 11 and are electrically connected with the battery cell lug of the battery cell, and a connection welding mark formed between the external electrode lugs 10 and the battery cell lug is positioned in the secondary accommodating cavity; and an insulating protective adhesive 12 is arranged between the packaging shell 9 and the external electrode lug 10. Because the front end of the packaging shell 9 is provided with the protruding portion 11, the front end of the soft package battery is not in a straight line, and the front end of the soft package battery cannot be packaged in a heat sealing way through a conventional straight seal head structure, or the front end of the soft package battery can be packaged by heat sealing for many times through the straight seal head structure. When the soft package battery is heat sealed by the top sealing head of the embodiment, as shown in fig. 5, two protruding parts 11 on the soft package battery are just positioned in two containing grooves 4 on the lower heating protrusion 3 and the upper heating protrusion 5 respectively, the containing grooves 4 on the lower heating protrusion 3 and the upper heating protrusion 5 are in extrusion fit, so that the top edge and the side edge of the protruding part 11 can be heat sealed to form a heat sealing edge 13, and the lower heating protrusions 3 and the upper heating protrusions 5 on two sides of the containing groove 4 are matched to form the heat sealing edge 13 at the front end of the package shell 9, thereby realizing the heat sealing and packaging of the front end of the soft package battery; thus, when the front end of the soft package battery is heat-sealed by the top sealing head in the embodiment, the soft package battery can be heat-sealed and molded at one time.
Wherein, the positions of two accommodation grooves on the lower heating protrusion are determined according to the positions of two protruding parts on the soft package battery.
In summary, in the top sealing head, the lower heating bulge and the upper heating bulge with the two forward convex accommodating grooves at the middle positions are arranged, so that the top sealing head can heat-seal the soft-package battery with the bulge structure at the front end, and the soft-package battery is formed by one-time heat sealing, thereby realizing the integral package of the front end of the soft-package battery, avoiding the condition that the seal overlapping area is damaged due to repeated heat sealing, improving the packaging efficiency of the soft-package battery and reducing the production cost of the soft-package battery.
In the present embodiment, as shown in fig. 1 to 3, the shape of the accommodation groove 4 is rectangular; of course, the shape of the receiving groove may be square, circular arc or triangle.
And the corners on the rear side edge of the lower heating protrusion and the rear side edge of the upper heating protrusion are provided with arc chamfers; therefore, when the upper end enclosure and the lower end enclosure heat-seal the soft-package battery, the situation that the package shell of the soft-package battery is damaged by hanging corners can be effectively prevented.
In addition, the upper heating bulge and the lower heating bulge are both provided with nickel-iron-fluorine Long Duceng, and the nickel-iron-fluorine plating layer has the advantages of acid resistance, alkali resistance, insulation, high temperature resistance, low friction coefficient, high lubrication, non-adhesion and the like, and can effectively increase the strength of the upper heating bulge and the lower heating bulge heat covers, so that the service life of the top sealing head is prolonged.
In addition, the upper seal head and the lower seal head are provided with mounting holes, so that the upper seal head and the lower seal head can be fixedly connected with an external structure through the mounting holes and screws or bolts.
In the present embodiment, as shown in fig. 1 and 2, a first groove 6 is provided on the upper side of the lower heating protrusion 3, the first groove 6 being located at the bottom of the accommodating groove 4; a second groove 7 is arranged on the lower side of the upper heating protrusion 5, and the second groove 7 is also positioned at the bottom of the accommodating groove 4. Therefore, when the upper seal head 1 and the lower seal head 2 heat-seal the soft-package battery, the external electrode lugs are just positioned in the first groove 6 and the second groove 7, so that avoidance of the external electrode lugs and the insulating protective glue is realized. Wherein the depth of the first groove and the second groove is 0.05 mm-0.25 mm.
Preferably, the groove bottom and the groove top of the first groove and the groove bottom and the groove top of the second groove are connected through a first inclined plane or a first cambered surface, namely the plane of the groove bottom of the first groove is connected with the plane of the upper side surface of the lower heating protrusion through the first inclined plane or the first cambered surface, and the plane of the groove bottom of the second groove is connected with the plane of the lower side surface of the upper heating protrusion through the first inclined plane or the first cambered surface. Therefore, the edges of the first groove and the edges of the second groove can be prevented from being too sharp, and the packaging shell is prevented from being damaged when the soft package battery is heat-sealed.
Of course, in other embodiments, the lower heating protrusion or the upper heating protrusion may be provided with a groove for avoiding the external tab and the insulating protective glue.
In this embodiment, as shown in fig. 1 to 3, the two ends of the lower heating protrusion 3 and the upper heating protrusion 5 are provided with the limit protrusions 8, and when the upper seal head 1 and the lower seal head 2 heat-seal the soft package battery, the limit protrusions 8 can play a role in limiting, so that the upper side surface (heat sealing surface) of the lower heating protrusion 3 and the lower side surface (heat sealing surface) of the upper heating protrusion 5 can keep a distance of at least 150 μm to 300 μm, and the occurrence of overseal condition can be prevented.
And the top of the limit bulge is connected with the top of the upper heating bulge and the top of the lower heating bulge through a second inclined plane or a second cambered surface, and the action of the second inclined plane or the second cambered surface is the same as that of the first inclined plane or the first cambered surface, which are not repeated here.
In other embodiments, only two ends of the upper heating protrusion or two ends of the lower heating protrusion are provided with a limiting protrusion, and the top of the limiting protrusion is connected with the top of the upper heating protrusion or the top of the lower heating protrusion through a second inclined plane or a second cambered surface.
The foregoing is merely a specific embodiment of the utility model and other modifications and variations can be made by those skilled in the art in light of the above teachings. It is to be understood by persons skilled in the art that the foregoing detailed description is provided for the purpose of illustrating the utility model more fully, and that the scope of the utility model is defined by the appended claims.
Claims (10)
1. The top sealing head of the soft-package battery is characterized by comprising an upper sealing head and a lower sealing head;
the upper side of low head is equipped with down the heating arch, down the bellied intermediate position of heating is formed with two forward protruding holding tanks, and two the interval sets up between the holding tank, the downside of upper head is equipped with the heating arch, go up the heating arch with the bellied mirror symmetry setting of heating down.
2. The top seal head of a pouch cell as defined in claim 1, wherein the receiving groove has a rectangular, circular arc or triangular shape.
3. The top sealing head of the soft package battery according to claim 1, wherein the heights of the lower heating protrusion and the upper heating protrusion are 3 mm-15 mm.
4. The top sealing head of the soft pack battery according to claim 1, wherein the corners on the rear side edge of the lower heating protrusion and the rear side edge of the upper heating protrusion are provided with arc chamfers.
5. The top sealing head of the soft-packaged battery according to claim 1, wherein a first groove is formed on the upper side surface of the lower heating protrusion, and the first groove is positioned at the bottom of the accommodating groove;
the lower side surface of the upper heating protrusion is provided with a second groove, and the second groove is positioned at the bottom of the accommodating groove.
6. The top sealing head of the soft-packed battery according to claim 5, wherein the bottom and the top of the first groove and the bottom and the top of the second groove are connected by a first inclined plane or a first cambered surface.
7. The top sealing head of a soft package battery according to claim 1, wherein limit protrusions are arranged on two ends of the lower heating protrusion and/or the lower heating protrusion.
8. The top sealing head of the soft-packaged battery according to claim 7, wherein the top of the limiting protrusion is connected with the top of the upper heating protrusion or the top of the lower heating protrusion through a second inclined plane or a second cambered surface; or,
the top of the limiting protrusion is connected with the top of the upper heating protrusion and the top of the lower heating protrusion through a second inclined plane or a second cambered surface.
9. The top seal head of a soft pack battery according to claim 1, wherein nickel teflon plating is formed on both the upper heating protrusion and the lower heating protrusion.
10. The top seal head of a soft pack battery according to any one of claims 1 to 9, wherein mounting holes are provided on both the upper seal head and the lower seal head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320967784.XU CN220510124U (en) | 2023-04-17 | 2023-04-17 | Top sealing head of soft package battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320967784.XU CN220510124U (en) | 2023-04-17 | 2023-04-17 | Top sealing head of soft package battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220510124U true CN220510124U (en) | 2024-02-20 |
Family
ID=89877755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320967784.XU Active CN220510124U (en) | 2023-04-17 | 2023-04-17 | Top sealing head of soft package battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220510124U (en) |
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2023
- 2023-04-17 CN CN202320967784.XU patent/CN220510124U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |