CN219959094U - Packaging device for cylindrical battery test - Google Patents
Packaging device for cylindrical battery test Download PDFInfo
- Publication number
- CN219959094U CN219959094U CN202320286037.XU CN202320286037U CN219959094U CN 219959094 U CN219959094 U CN 219959094U CN 202320286037 U CN202320286037 U CN 202320286037U CN 219959094 U CN219959094 U CN 219959094U
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- China
- Prior art keywords
- cover plate
- insulating cover
- insulating
- battery
- positive electrode
- 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.)
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 62
- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims description 46
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000003792 electrolyte Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011157 data evaluation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides a packaging device for testing a cylindrical battery, which comprises an insulating shell with a containing cavity, and a first insulating cover plate and a second insulating cover plate which are arranged at two ends of the insulating shell; the accommodating cavity is used for accommodating the battery steel shell, the first insulating cover plate is blocked at one end of the battery steel shell, the first insulating cover plate is provided with a through hole corresponding to the end part of the battery steel shell, the second insulating cover plate is provided with a positive electrode battery cap connected with a positive electrode lug in the battery steel shell, and a positioning groove positioned at one end of the positive electrode battery cap and communicated with the accommodating cavity. The packaging device for testing the cylindrical battery can well position the battery steel shell and the positive electrode battery cap, is beneficial to improving the packaging effect, has the characteristics of simple structure and convenient design and implementation, is beneficial to quick packaging of the cylindrical battery, and has a good use effect.
Description
Technical Field
The utility model relates to the technical field of cylindrical battery performance detection equipment, in particular to a packaging device for testing a cylindrical battery.
Background
Before mass production of lithium ion batteries, a great deal of technical design, process route design and comprehensive performance verification are required for technicians. In the process, the single performance test of main raw materials such as a positive electrode material, a negative electrode material, a diaphragm and an electrolyte and the comprehensive electrical performance test of a finished battery are involved. After some columns of data evaluation, the quantitative production can be gradually put into the quantitative production after the design requirements are met.
In a detection method for combining four main materials and electrical properties, it is known that detection of a half cell (specifically referred to herein as a chemical cell device in which a positive electrode is a material to be detected and a negative electrode is metallic lithium) is only capable of examining basic properties of the material, and cannot explain the degree of performance and stability of performance in a full cell. In particular, the technical parameters of the integrated electrical performance, must be dependent on the full cell detection. Therefore, the manufacture of the full battery is particularly important in the design of the whole product.
Because of the special manufacturing process of the lithium ion battery (namely under an absolute dry environment), most scientific research institutions and major material suppliers test the material and electrochemical performance of the lithium ion battery in a semi-battery or simple soft-package battery packaging mode under the protection of high-purity nitrogen, and some test lines with production capacity can be built, and meanwhile, equipment such as a subsequent channeling machine, a laser welding machine, a sealing machine and the like are required to be equipped besides the equipment required by the preamble. Therefore, the existing packaging mode has a plurality of defects:
(1) The investment is large, and the energy consumption is high;
(2) The quantity is small, the manufacturing period is longer, and the input and output are not proportional at all;
(3) Safety problems are that potential safety hazards are huge when non-professionals operate the channeling machine and the sealing machine;
(4) The test data are inaccurate due to the interference of an unstable packaging mode, the contrast of the same group is large, and the performance of the product to be tested cannot be objectively reflected.
Disclosure of Invention
In view of the above, the present utility model is directed to a packaging device for testing a cylindrical battery, so as to facilitate rapid packaging of the cylindrical battery.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the packaging device for testing the cylindrical battery comprises an insulating shell with a containing cavity, and a first insulating cover plate and a second insulating cover plate which are arranged at two ends of the insulating shell;
the accommodating cavity is used for accommodating a battery steel shell, the first insulating cover plate is blocked at one end of the battery steel shell, the first insulating cover plate is provided with a through hole corresponding to the end part of the battery steel shell, and the second insulating cover plate is provided with a positive electrode battery cap connected with a positive electrode lug in the battery steel shell and a positioning groove positioned at one end of the positive electrode battery cap and communicated with the accommodating cavity.
Further, a limiting part is arranged at one end, close to the second insulating cover plate, in the accommodating cavity, and the battery steel shell is positioned between the limiting part and the first insulating cover plate.
Further, the limiting part comprises a limiting boss arranged at the end part of the insulating shell, and the limiting boss extends inwards along the radial direction of the accommodating cavity.
Further, the first insulating cover plate and/or the second insulating cover plate are/is connected to the insulating housing in a sealing manner.
Further, a first sealing element is arranged between the first insulating cover plate and the insulating shell, and/or a second sealing element is arranged between the second insulating cover plate and the insulating shell.
Further, a first mounting groove is formed in the insulating shell and/or the first insulating cover plate, and the first sealing piece is arranged in the first mounting groove; and/or a second mounting groove is formed in the insulating shell and/or the second insulating cover plate, and the second sealing piece is arranged in the second mounting groove.
Further, the first insulating cover plate and/or the second insulating cover plate are/is screwed at two ends of the insulating shell through a screwing structure.
Further, the positive electrode battery cap is provided with a fastener for fixing the positive electrode lug.
Further, a packaging opening is formed in the second insulating cover plate, and the top of the packaging opening is communicated with the positioning groove.
Further, a sealing gasket is arranged between the positive electrode battery cap and the second insulating cover plate.
Compared with the prior art, the utility model has the following advantages:
according to the packaging device for testing the cylindrical battery, the insulating shell with the accommodating cavity, and the first insulating cover plate and the second insulating cover plate which are arranged at the two ends of the insulating shell are arranged, so that the battery steel shell can be well fixed in the accommodating cavity, and the positioning groove communicated with the accommodating cavity is arranged at one end of the positive electrode battery cap, so that the positive electrode battery cap can be well positioned, and the packaging effect can be improved. The packaging device for testing the cylindrical battery has the characteristics of simple structure and convenient design and implementation, is also beneficial to rapid packaging of the cylindrical battery, and has good use effect.
In addition, the limiting part arranged in the accommodating cavity is beneficial to better positioning the battery steel shell in the accommodating cavity, so that the packaging quality and the packaging effect are improved. The limit part adopts the structure form of the limit boss, has the characteristics of simple structure and convenient processing and manufacturing, and the limit boss that sets up not only can have better spacing fixed action to the battery steel casing, but also can effectively prevent that the positive electrode lug from touching with the battery steel casing tip, avoids the emergence of short circuit phenomenon.
In addition, the first insulating cover plate and the second insulating cover plate are in sealing connection on the insulating shell, so that the sealing effect of the sealed cylindrical battery is improved, and the sealing inside the cylindrical battery is guaranteed. The first mounting groove and the second mounting groove are arranged, so that the first sealing element and the second sealing element can be conveniently mounted, and the sealing effect can be improved. The first insulating cover plate is in threaded connection with the insulating shell, or the second insulating cover plate is in threaded connection with the insulating shell, or the first insulating cover plate and the second insulating cover plate are in threaded connection with the insulating shell, so that the packaging operation is convenient, the connection stability is improved, and the packaging quality is guaranteed.
And through the fastener that sets up, be favorable to improving the connection reliability of anodal ear and anodal battery cap. The second insulating cover plate is provided with the packaging opening, the top of the packaging opening is communicated with the positioning groove, the positive electrode battery cap is enabled to have a relatively accurate position relative to the packaging opening, the positive electrode battery cap is pressed into the packaging opening on the second insulating cover plate, and packaging of the cylindrical battery is achieved. The sealing gasket arranged between the positive electrode battery cap and the second insulating cover plate is beneficial to simulating the real internal environment of battery use, and can also effectively prevent the electrolyte from corroding and damaging the sealing element. The split charging design of the positive electrode battery cap, the sealing gasket and the second insulating cover plate is beneficial to simulating the packaging of the battery rolling groove and the sealing, so that the packaging of the cylindrical battery to be tested can be completed rapidly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a packaging device for testing a cylindrical battery according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an insulating housing according to an embodiment of the present utility model;
FIG. 3 is a schematic view illustrating a structure of a first insulating cover according to an embodiment of the present utility model;
fig. 4 is a schematic structural view of a second insulating cover plate according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a connection state between a battery steel case and a positive electrode battery cap according to an embodiment of the present utility model;
reference numerals illustrate:
1. an insulating housing; 11. a housing chamber; 12. a limit boss; 13. a first mounting half-groove; 14. a second mounting half-groove;
2. a first insulating cover plate; 21. a through hole; 22. an internal thread;
3. a second insulating cover plate; 31. a positioning groove; 32. a packaging port;
4. a positive electrode battery cap; 5. a sealing gasket; 6. a fastener; 7. a first seal; 8. a second seal;
10. a battery steel case; 100. a battery winding core; 101. a bottom case; 102. and a positive electrode tab.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that, if terms indicating an orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. are presented, they are based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, if any, are also used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The embodiment relates to a packaging device for testing a cylindrical battery, which is used for facilitating rapid packaging of the cylindrical battery.
In the overall structure, the packaging device for testing a cylindrical battery of the present embodiment, as shown in fig. 1, mainly includes an insulating housing 1, a first insulating cover plate 2, and a second insulating cover plate 3. The insulating housing 1 has a housing cavity 11, and the housing cavity 11 is used for accommodating the battery steel shell 10.
The first insulating cover plate 2 seals one end of the battery steel shell 10 to limit the battery steel shell 10 from falling out of the accommodating cavity 11, and the first insulating cover plate 2 is provided with a through hole 21 corresponding to the end part of the battery steel shell 10, so that the negative electrode end cover of the battery steel shell 10 is exposed, and the cylindrical battery is beneficial to being used in performance test of a cylindrical battery.
The second insulating cover plate 3 is provided with a positive electrode battery cap 4 connected with a positive electrode lug 102 in the battery steel shell 10 and a positioning groove 31 positioned at one end of the positive electrode battery cap 4 and communicated with the accommodating cavity 11, and the positive electrode battery cap 4 is positioned in the positioning groove 31.
In the above structure, through setting up the insulating housing 1 that has the chamber 11 of acceping to and set up at insulating housing 1 both ends first insulating cover plate 2 and second insulating cover plate 3, can make battery steel case 10 can be better fix in acceping chamber 11 to anodal battery cap 4 one end sets up the constant head tank 31 with acceping chamber 11 intercommunication, can carry out better location to anodal battery cap 4, and does benefit to the improvement encapsulation effect. Moreover, the packaging device for testing the cylindrical battery has the characteristics of simple structure and convenience in design and implementation, and is also beneficial to rapid packaging of the cylindrical battery.
In this embodiment, the battery steel can 10 is provided with the battery winding core 100 in a wound state, wherein both ends of the battery winding core 100 extend out of the positive electrode tab and the negative electrode tab, respectively. In addition, the bottom of the battery steel can 10 has a bottom case 101, and the bottom case 101 is welded to the negative electrode tab, thereby forming a battery semi-finished product. Then vacuum baking and dewatering are carried out according to the technological requirements, then the dewatered semi-finished battery product is moved into a dry environment with the dew point not lower than minus 35 ℃ to be injected with electrolyte, after the electrolyte is absorbed, the electrolyte is then put into the packaging device of the embodiment, and the positive electrode lug and the positive electrode battery cap 4 are packaged.
Referring to fig. 1 to 5, the insulating housing 1 of the present embodiment is preferably cylindrical in overall structure, that is, the insulating housing 1 is hollow to form a receiving chamber 11 for receiving a battery steel can 10. The first insulating cover plate 2 and the second insulating cover plate 3 are oppositely disposed at both ends of the insulating housing 1 and are connected to the insulating housing 1.
In order to facilitate the battery steel case 10 to be well positioned in the accommodating cavity 11, in this embodiment, a limiting portion is disposed at one end of the accommodating cavity 11, which is close to the second insulating cover plate 3, and the battery steel case 10 is positioned between the limiting portion and the first insulating cover plate 2. As shown in fig. 1 and 3, the first insulating cover plate 2 of the present embodiment is provided with a through hole 21, and the through hole 21 corresponds to the position of the end of the battery steel can 10, that is, to the position of the bottom case 101. The diameter of the through hole 21 is smaller than the diameter of the battery steel can 10, so that the battery steel can 10 can be blocked and the battery steel can 10 can be prevented from being removed from the housing chamber 11 when the first insulating cover plate 2 is connected to the end of the insulating case 1.
The limiting portion specifically includes a limiting boss 12 disposed at the end of the insulating housing 1, where the limiting boss 12 extends inward along the radial direction of the accommodating cavity 11. So the both ends of battery steel casing 10 are spacing between spacing boss 12 and first insulating apron 2, and can make battery steel casing 10 fix in acceping chamber 11 better.
The setting of spacing boss 12 not only has simple structure, the characteristics of being convenient for manufacturing, can have better spacing fixed action to battery steel casing 10 moreover, also can effectively prevent simultaneously that anodal ear 102 and battery steel casing 10 tip from taking place to touch, avoids the emergence of short circuit phenomenon.
In this embodiment, the insulating housing 1, the first insulating cover plate 2 and the second insulating cover plate 3 are preferably made of polytetrafluoroethylene, which has good insulation and corrosion resistance.
In the preferred embodiment, the first insulating cover plate 2 and the second insulating cover plate 3 are both hermetically connected to the insulating housing 1. The sealing effect of the sealed cylindrical battery is improved, and the sealing of the cylindrical battery is guaranteed.
In particular, in the present embodiment, as shown in fig. 1, a first seal 7 is provided between a first insulating cover plate 2 and an insulating housing 1, and a second seal 8 is provided between a second insulating cover plate 3 and the insulating housing 1. In a preferred embodiment, the first seal 7 and the second seal 8 are made of different materials. In particular, the first seal 7 is preferably a rubber seal, and the second seal 8 is preferably a silicone seal. Through the sealing washer of different materials, not only can effectively guarantee the leakproofness in the cylinder battery, simulate the true internal environment that the battery used, can also effectively prevent the corruption destruction of electrolyte to the sealing member moreover.
It will be appreciated that in this embodiment, the insulating housing 1 is hermetically sealed to both the first insulating cover plate 2 and the second insulating cover plate 3. It is also possible to provide only the first insulating cover plate 2 in sealing connection with the insulating housing 1 or only the second insulating cover plate 3 in sealing connection with the insulating housing 1. It is also understood that it is also possible to provide only the first seal 7 between the first insulating cover plate 2 and the insulating housing 1, or only the second seal 8 between the second insulating cover plate 3 and the insulating housing 1.
To facilitate the installation of the first sealing element 7 and the second sealing element 8, in this embodiment, a first installation half groove 13 is formed on each of the insulating housing 1 and the first insulating cover plate 2, that is, as shown in fig. 1 to 4, a first installation half groove 13 is formed on each of the end face of the insulating housing 1 facing the first insulating cover plate 2 and the end face of the first insulating cover plate 2 facing the insulating housing 1, the first installation half groove 13 on the insulating housing 1 and the first installation half groove 13 on the first insulating cover plate 2 are surrounded to form a first installation groove, and the first sealing element 7 is disposed in the first installation groove.
Furthermore, a second mounting half groove 14 is provided on both the insulating housing 1 and the second insulating cover 3, i.e. on the end face of the insulating housing 1 facing the second insulating cover 3 and on the end face of the second insulating cover 3 facing the insulating housing 1, as shown in fig. 1 to 4, a second mounting half groove 14 is provided on both the second mounting half groove 14 on the insulating housing 1 and the second mounting half groove 14 on the second insulating cover 3 enclosing a second mounting groove, in which the second sealing element 8 is provided.
The first mounting groove and the second mounting groove are arranged, so that the fixed mounting of the first sealing piece 7 and the second sealing piece 8 is facilitated, and the sealing effect is improved.
As a preferred implementation of the present embodiment, in the present embodiment, the first insulating cover plate 2 and the second insulating cover plate 3 are both screwed to both ends of the insulating housing 1 by a screw structure. Therefore, the packaging operation is convenient, the connection stability is improved, and the packaging quality is ensured.
It will be understood, of course, that in this embodiment, besides the structure in which the first insulating cover plate 2 and the second insulating cover plate 3 are both screwed to the insulating housing 1 by a screw structure, only the first insulating cover plate 2 may be screwed to the insulating housing 1, or only the second insulating cover plate 3 may be screwed to the insulating housing 1. It will also be appreciated that, instead of being formed with a screw-type structure, it may be connected to the insulating housing 1 with a snap-type structure.
As shown in fig. 2 to 4, external threads are provided at both ends of the insulating housing 1, and internal threads 22 are provided on both the first insulating cover plate 2 and the second insulating cover plate 3. The first insulating cover plate 2 and the second insulating cover plate 3 are respectively connected with the insulating shell 1 in a threaded manner through the threaded connection of the internal threads 22 and the external threads.
In the present embodiment, the positive electrode cap 4 is provided with the fastener 6 for fixing the positive electrode tab 102, so that the connection reliability between the positive electrode tab 102 and the positive electrode cap 4 can be improved. In practice, the fastener 6 is preferably a fastening screw, and the positive tab 102 is fixed to the positive electrode battery cap 4 by the fastening screw.
As a preferred embodiment of the present embodiment, in the present embodiment, the second insulating cover 3 is provided with a sealing port 32, and the top of the sealing port 32 communicates with the positioning groove 31. Therefore, the positive electrode battery cap 4 has a more accurate position relative to the packaging opening 32, and the positive electrode battery cap 4 is conveniently pressed into the packaging opening 32 on the second insulating cover plate 3, so that the packaging of the cylindrical battery is realized.
In this embodiment, a gasket 5 is provided between the positive electrode battery cap 4 and the second insulating cover 3. The gasket 5 is wrapped around the positive electrode cell cap 4 in the circumferential direction, and during the packaging process, the positive electrode cell cap 4 is sealed in the packaging opening 32 by deformation of the gasket 5.
The material of the sealing pad 5 in this embodiment is preferably silica gel, so that the real internal environment of the battery can be simulated, and the corrosion damage of the electrolyte to the sealing element can be effectively prevented. And preferably, the sealing gasket 5 is fixedly connected to the positive electrode battery cap 4, that is, the sealing gasket 5 and the positive electrode battery cap 4 form an integrated structure, so that the packaging process can be reduced, and the packaging efficiency can be improved. In addition, in the embodiment, the split charging design of the positive electrode battery cap 4, the sealing gasket 5 and the second insulating cover plate 3 is beneficial to simulating the packaging of the battery rolling groove and the sealing, so that the packaging of the cylindrical battery to be tested can be completed rapidly.
When the packaging device for cylindrical batteries of this embodiment is specifically used, the semi-finished product of the battery is loaded into the accommodating cavity 11 of the insulating housing 1 from bottom to top in the state shown in fig. 1, then the first insulating cover plate 2 is sealed and screwed at the lower end of the insulating housing 1, the second insulating cover plate 3 is sealed and screwed at the upper end of the insulating housing 1, then the positive electrode lug 102 is fixed on the positive electrode battery cap 4 through the fastening screw, and finally the positive electrode battery cap 4 with the sealing gasket 5 is pressed to the packaging opening 32 of the second insulating cover plate 3, so that the cylindrical battery can be packaged quickly, and then a later test is waited.
The packaging device for testing the cylindrical battery can be suitable for testing the full performance of all cylindrical lithium ion batteries and can be reused. In the performance test of the cylindrical battery, reliable, real and effective experimental data can be obtained, the accuracy of experimental test is improved, meanwhile, the manufacturing turnaround time of the cylindrical battery can be reduced, the energy consumption is greatly reduced, the personal safety of operators can be effectively guaranteed, and therefore, the cylindrical battery has a good use effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a cylinder battery test is with packaging hardware which characterized in that:
the device comprises an insulating shell with a containing cavity, and a first insulating cover plate and a second insulating cover plate which are arranged at two ends of the insulating shell;
the accommodating cavity is used for accommodating a battery steel shell, the first insulating cover plate is blocked at one end of the battery steel shell, the first insulating cover plate is provided with a through hole corresponding to the end part of the battery steel shell, and the second insulating cover plate is provided with a positive electrode battery cap connected with a positive electrode lug in the battery steel shell and a positioning groove positioned at one end of the positive electrode battery cap and communicated with the accommodating cavity.
2. The packaging device for testing a cylindrical battery according to claim 1, wherein:
and a limiting part is arranged at one end, close to the second insulating cover plate, in the accommodating cavity, and the battery steel shell is positioned between the limiting part and the first insulating cover plate.
3. The packaging device for testing a cylindrical battery according to claim 2, wherein:
the limiting part comprises a limiting boss arranged at the end part of the insulating shell, and the limiting boss extends inwards along the radial direction of the accommodating cavity.
4. The packaging device for testing a cylindrical battery according to claim 1, wherein:
the first insulating cover plate and/or the second insulating cover plate are/is connected to the insulating shell in a sealing manner.
5. The packaging device for testing a cylindrical battery according to claim 1, wherein:
a first seal is provided between the first insulating cover plate and the insulating housing, and/or,
and a second sealing piece is arranged between the second insulating cover plate and the insulating shell.
6. The packaging device for testing a cylindrical battery according to claim 5, wherein:
a first mounting groove is formed in the insulating shell and/or the first insulating cover plate, and the first sealing piece is arranged in the first mounting groove; and/or the number of the groups of groups,
and a second mounting groove is formed in the insulating shell and/or the second insulating cover plate, and the second sealing piece is arranged in the second mounting groove.
7. The packaging device for testing a cylindrical battery according to claim 1, wherein:
the first insulating cover plate and/or the second insulating cover plate are/is screwed at two ends of the insulating shell through a screw structure.
8. The packaging device for testing a cylindrical battery according to claim 1, wherein:
the positive electrode battery cap is provided with a fastener for fixing the positive electrode lug.
9. The packaging device for testing a cylindrical battery according to claim 1, wherein:
and the second insulating cover plate is provided with a packaging opening, and the top of the packaging opening is communicated with the positioning groove.
10. The packaging device for cylindrical battery testing according to any one of claims 1 to 9, characterized in that:
and a sealing gasket is arranged between the positive electrode battery cap and the second insulating cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286037.XU CN219959094U (en) | 2023-02-22 | 2023-02-22 | Packaging device for cylindrical battery test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286037.XU CN219959094U (en) | 2023-02-22 | 2023-02-22 | Packaging device for cylindrical battery test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959094U true CN219959094U (en) | 2023-11-03 |
Family
ID=88540360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320286037.XU Active CN219959094U (en) | 2023-02-22 | 2023-02-22 | Packaging device for cylindrical battery test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959094U (en) |
-
2023
- 2023-02-22 CN CN202320286037.XU patent/CN219959094U/en active Active
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