CN222072003U - A fixture for forming large-capacity soft-pack battery cells - Google Patents
A fixture for forming large-capacity soft-pack battery cells Download PDFInfo
- Publication number
- CN222072003U CN222072003U CN202420544650.1U CN202420544650U CN222072003U CN 222072003 U CN222072003 U CN 222072003U CN 202420544650 U CN202420544650 U CN 202420544650U CN 222072003 U CN222072003 U CN 222072003U
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- plate
- fixture
- battery cell
- pack battery
- soft
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- 230000015572 biosynthetic process Effects 0.000 claims abstract description 47
- 238000003825 pressing Methods 0.000 claims abstract description 46
- 238000005452 bending Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
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- Battery Mounting, Suspending (AREA)
Abstract
本实用新型涉及电池电芯技术领域，公开了一种大容量软包电芯化成用夹具，包括夹具压板以及纵截面呈U型的U形板，所述U形板的外侧面与夹具压板的板面相连，所述U形板的内侧面形成用于放置软包电芯的放置槽；所述放置槽的底部开设有供极耳穿过的极耳口，所述夹具压板上还设有支撑板，所述支撑板位于所述极耳口一侧，所述支撑板用于支撑穿过极耳口的极耳；所述夹具压板上设有用于与软包电芯的极耳连接充电的电源连接组件。本实用新型具有电芯夹持稳定性好的有益效果。
The utility model relates to the technical field of battery cells, and discloses a large-capacity soft-pack cell formation fixture, including a fixture pressing plate and a U-shaped plate with a U-shaped longitudinal section, wherein the outer side surface of the U-shaped plate is connected to the plate surface of the fixture pressing plate, and the inner side surface of the U-shaped plate forms a placement groove for placing the soft-pack cell; a tab opening for the tab to pass through is provided at the bottom of the placement groove, and a support plate is further provided on the fixture pressing plate, the support plate is located on one side of the tab opening, and the support plate is used to support the tab passing through the tab opening; a power connection assembly for connecting to the tab of the soft-pack cell for charging is provided on the fixture pressing plate. The utility model has the beneficial effect of good cell clamping stability.
Description
Technical Field
The utility model relates to the technical field of battery cells, in particular to a clamp for forming a high-capacity soft package battery cell.
Background
As technology advances and demands for mobile devices, vehicles, and energy storage devices increase, new energy batteries have become an extremely important component in life, and their application range has also become wider and wider. In order to respond to the demands of low cost, large capacity, light weight, high safety performance, convenient recovery and the like of batteries in the market, the soft package large battery cell has become a trend. The battery core is usually required to be formed in the production process, the process of charging and activating the battery for the first time in the current soft package lithium ion battery technology is called formation, the formation of the soft package battery core is generally carried out by adopting a pressing plate pressurizing and heating mode to charge and discharge, and then the formed battery core is subjected to pressurizing, cooling and shaping through a cold pressing plate. In the conventional battery, a clamp is generally required to clamp and transport the battery cells during formation processing.
For example, patent document CN108428928B discloses a pool formation clamping mechanism, which comprises a carrier plate and a guide rail arranged on one side of the carrier plate, wherein a mounting plate is further arranged on the other side of the carrier plate, and a plurality of fixing splints are uniformly arranged on the mounting plate; the guide rail is provided with sliding blocks with the same number as the fixed clamping plates, the sliding blocks are provided with connecting seats, the connecting seats are sleeved on one guide rod, and the connecting seats are in sliding connection with the guide rod; an elastic piece is arranged between the adjacent connecting seats, and a first limiting mechanism and a second limiting mechanism for limiting the connecting seats at the two ends of the guide rod are respectively arranged at the two ends of the guide rod; each connecting seat is provided with a floating clamping plate; and a driving mechanism arranged on the carrier plate pushes the guide rod to move, and under the action of the elastic piece, the lower end of the floating clamping plate is pushed to be clamped and separated with the lower end of the corresponding fixed clamping plate.
According to the technical scheme, although the battery can be clamped to complete formation processing of clamping, as the capacity of the soft-package battery core is gradually increased, the size and the weight of the high-capacity soft-package battery core are also increased, the traditional formation clamping device is only applicable to battery cores with conventional capacity, and when the high-capacity soft-package battery core is subjected to formation clamping, the battery core cannot be stably clamped, so that the battery core is easy to fall off during formation, and the safety of the battery core during formation cannot be ensured.
Disclosure of utility model
The utility model aims to provide a clamp for forming a high-capacity soft-package battery core, which solves the technical problem that the battery core is easy to fall off when the battery core is formed due to the fact that the battery core cannot be stably clamped in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the fixture for forming the high-capacity soft-package battery core comprises a fixture pressing plate and a U-shaped plate with a U-shaped longitudinal section, wherein the outer side surface of the U-shaped plate is connected with the plate surface of the fixture pressing plate, and the inner side surface of the U-shaped plate is provided with a placing groove for placing the soft-package battery core; the bottom of the placing groove is provided with a lug opening for the lug to pass through, the clamp pressing plate is also provided with a supporting plate, the supporting plate is positioned at one side of the lug opening, and the supporting plate is used for supporting the lug passing through the lug opening; and the clamp pressing plate is provided with a power supply connecting component for connecting and charging with the lug passing through the lug opening.
The principle and the advantages of the scheme are as follows: when the high-capacity soft package battery core is formed, the battery core is placed in a placing groove in a clamp, and a tab on the battery core is connected with a power supply connecting component for charging; the U-shaped plate wraps the circumference of the battery cell, so that the battery cell placement is stable; the supporting plate supports the lugs of the battery cell during formation, so that the safety of the lugs is ensured. Through seting up the standing groove in the U-shaped board in this scheme for the soft packet of electric core of large capacity can be firm place in the standing groove, and can increase the area of contact between electric core and the U-shaped board, make the U-shaped board can be firm wrap up and fix the circumference of soft packet of electric core when formation, guarantee the stability of electric core installation in anchor clamps.
Preferably, as an improvement, a plurality of connection plates are arranged in the circumferential direction of the clamp pressing plate, and the plurality of connection plates are uniformly distributed along the circumferential direction of the clamp pressing plate; the connecting plate is provided with a connecting hole which is used for installing the clamp pressing plate in the formation equipment.
Preferably, as a modification, the upper opening of the placement groove is larger than the lower opening of the placement groove. When making the standing groove parcel electric core that can be better for U shaped plate is when receiving pressure, U shaped plate can be better with the surface contact of electric core.
Preferably, as an improvement, the top of the outer side surface of the U-shaped plate extends upwards and then is bent outwards to form a bending part, and the bending part is used for being connected with the top of the clamp pressing plate.
Preferably, as an improvement, the bending part is further provided with a guide block, one end of the guide block is connected with the bending part, and the other end of the guide block extends outwards along a direction away from the bending part; the side of the guide block protrudes towards one side of the U-shaped plate, and the width of the protrusion on the side of the guide block gradually reduces along the direction close to the two ends of the height of the guide block. When placing the electric core in the cavity of placing in the U-shaped plate, the electric core can be guided under the effect of guide block, guarantees convenience and the accuracy of electric core installation, avoids electric core to appear colliding with simultaneously and lead to electric core damage in the installation.
Preferably, as an improvement, the guide blocks comprise two guide blocks, and the two guide blocks are distributed in opposite directions at two ends of the top of the U-shaped plate.
Preferably, as an improvement, the power supply connection assembly comprises a voltage contact plate and a current contact plate, wherein the voltage contact plate is electrically connected with a voltage terminal, the current contact plate is electrically connected with a current terminal, and the power supply connection assembly is in contact connection with the current contact plate and the battery cell tab for charging through the voltage contact plate. The electric core formation device meets the electric connection requirement in the electric core formation process, improves the convenience and stability of electric core and power supply connection, and improves the installation efficiency before the electric core formation operation.
Preferably, as an improvement, a heating plate is arranged between the clamp pressing plate and the U-shaped plate, and the heating plate is made of insulating materials; one side of the clamp pressing plate is provided with a temperature sensor, and the temperature sensor is used for detecting the temperature of the clamp. The temperature requirement of the battery cell formation is met, the temperature in the formation process is monitored in real time, and the safety of the battery cell formation is ensured.
Preferably, as an improvement, an insulating plate is arranged on one side of the clamp pressing plate away from the U-shaped plate. The parts, except for the power connection assembly, of the adjacent clamps are mutually insulated, the situation of electric leakage between other parts of the clamps is avoided, and the safety of formation processing operation is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a fixture for forming a large-capacity soft package battery cell according to an embodiment of the present utility model.
Fig. 2 is an exploded view of a fixture for forming a large-capacity soft package battery cell according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a power connection assembly according to an embodiment of the utility model.
Detailed Description
The following is a further detailed description of the embodiments:
Reference numerals in the drawings of the specification include: clamp press plate 1, U-shaped plate 2, placement groove 201, bending portion 202, tab opening 203, connection plate 3, connection hole 301, rolling member 302, guide block 4, support plate 5, power supply connection assembly 6, voltage contact plate 601, current contact plate 602, voltage terminal 603, current terminal 604, heating plate 7, temperature sensor 8, insulating plate 9.
As shown in fig. 1 and fig. 2, a fixture for forming a large-capacity soft package battery cell comprises a fixture pressing plate 1, wherein a U-shaped plate 2 is arranged on one side of the fixture pressing plate 1, the outer side surface of the U-shaped plate 2 is connected with the plate surface of the fixture pressing plate 1, a placing groove 201 is formed in the U-shaped plate 2, and the placing groove 201 is used for accommodating the soft package battery cell during formation.
The clamp pressing plate 1 is a rectangular plate, a plurality of connecting plates 3 are fixedly connected to the periphery of the clamp pressing plate 1 through bolts, and 4 connecting plates 3 are preferably arranged in the embodiment, and the 4 connecting plates 3 are uniformly distributed along the periphery of the clamp pressing plate 1. The connecting plate 3 is provided with a connecting hole 301, the central axis of the connecting hole 301 is perpendicular to the plane where the clamp pressing plate 1 is located, the connecting hole 301 is used for being connected with formation equipment, a screw structure is formed between the specific connecting hole 301 and the formation equipment, the connecting plate 3 is used for driving the clamp to move in the formation equipment through the screw structure, and the screw structure between the connecting hole 301 and the formation equipment is of the prior art and will not be described herein. The rolling elements 302 are installed at the bottom of the clamp pressing plate 1, the rolling elements 302 comprise two rolling elements 302, and the two rolling elements 302 are rotatably installed at two ends of the bottom of the clamp pressing plate 1 through rotating shafts, wherein the rolling elements 302 can be rollers or bearings, and the rolling elements 302 are used for enabling the clamp to slide in the chemical forming equipment. The clamp can smoothly move in the formation equipment while the clamp and the formation equipment are ensured to be connected stably.
The U-shaped plate 2 is formed by bending highland barley paper along the width direction A, and in other embodiments, the U-shaped plate 2 can be made of other materials. The inner surface of the U-shaped plate 2 is provided with the U-shaped placing groove 201, and the size of the upper opening of the placing groove 201 is larger than that of the lower opening, so that the placing groove 201 can better wrap the battery cell, and the U-shaped plate 2 can better contact with the surface of the battery cell when the U-shaped plate 2 is stressed. The top of the outer side surface of the U-shaped plate 2 extends upwards and then is bent outwards to form a bending part 202, the bending part 202 is parallel to the plane of the top of the clamp pressing plate 1, and the bending part 202 is fixedly connected with the top of the clamp pressing plate 1 through bolts. A gasket is further arranged at the top of the bending part 202 and the clamp pressing plate 1, and the size of the gasket is matched with the size of the top of the clamp pressing plate 1.
The bending part 202 and the top of the clamp pressing plate 1 are fixedly connected with guide blocks 4 through bolts, each guide block 4 comprises two guide blocks 4, and the two guide blocks 4 are positioned at two ends of the top of the clamp pressing plate 1. One end of the guide block 4 is connected with the clamp pressing plate 1, the other end extends outwards along the direction away from the clamp pressing plate 1, the side surface of the guide block 4 protrudes towards one side of the U-shaped plate 2, the protruding width of the side surface of the guide block 4 gradually reduces along the direction of height of the guide block 4, and the whole guide block 4 is in a zither shape in the embodiment. So that when placing the electric core in the placing cavity in U-shaped plate 2, the electric core can be guided under the effect of guide block 4, guarantees convenience and the accuracy of electric core installation, avoids electric core to appear colliding with simultaneously in the installation and leads to electric core damage.
A lug 203 is formed at the bottom of the placement groove 201, the lug 203 is used for communicating the placement groove 201 with the outer surface of the U-shaped plate 2, and two ends of the lug 203 extend outwards along the width direction A of the U-shaped plate 2. The lug openings 203 comprise two lug openings 203 which are distributed side by side at the bottom of the placing groove 201. The tab opening 203 is used for the power supply core tab to pass out. The support plate 5 is further installed on the clamp pressing plate 1 through bolts, the specific support plate 5 is located below the lug opening 203 of the U-shaped plate 2, the support plate 5 is used for supporting the lug extending out of the lug opening 203, the support plate 5 is preferably an bakelite plate in the embodiment, and other insulating materials can be selected for the support plate 5 in other embodiments. So that the tab can be fixed under the action of the supporting plate 5 after extending out of the tab opening 203, and the tab is prevented from being in a suspended state after extending out of the tab opening 203, so that the tab is easy to bend and damage in the formation process. Meanwhile, the lugs and other parts can be mutually insulated through the supporting plate 5, so that the safety in the process of forming the battery cell is ensured.
The power connection assembly 6 is fixedly mounted on one side of the clamp pressing plate 1 through bolts, wherein the power connection assembly 6 is located at a position, corresponding to the lug openings 203, on one side, away from the support plate 5, of the clamp pressing plate 1, so that when a plurality of clamps are sequentially stacked, the lugs extending out of the lug openings 203 can correspond to the positions of the power connection assemblies 6 on the adjacent clamps, and connection charging of the lugs is facilitated through the power connection assemblies 6 on the adjacent clamps. And two power connection assemblies 6 are installed at corresponding positions of each lug opening 203, and the power connection assemblies 6 are used for being connected with lugs of the battery cells on the adjacent clamps for charging. As shown in fig. 3, the power supply connection assembly 6 includes a voltage contact plate 601 and a current contact plate 602, the voltage contact plate 601 and the current contact plate 602 are copper plates, and the voltage contact plate 601 and the current contact plate 602 are fixedly connected with the clamp pressing plate 1 through an insulating cover plate and bolts, and the voltage contact plate 601 and the current contact plate 602 are distributed in parallel along the height direction. A voltage terminal 603 is electrically connected to the voltage contact plate 601, a current terminal 604 is electrically connected to the current contact plate 602, and the voltage terminal 603 and the current terminal 604 extend outwards along a direction away from the voltage contact plate 601 and the current contact plate 602. The electric core formation device meets the electric connection requirement in the electric core formation process, improves the convenience and stability of electric core and power supply connection, and improves the installation efficiency before the electric core formation operation.
Be equipped with hot plate 7 between anchor clamps clamp plate 1 and U-shaped board 2, specific hot plate 7 carries out fixed connection through viscose and anchor clamps clamp plate 1, and hot plate 7 and U-shaped board 2 are close to the area phase-match of anchor clamps clamp plate 1 one side. The heating plate 7 is preferably an epoxy heating plate 7 in this embodiment, and other insulating heating plates 7 may be used in other embodiments. A temperature sensor 8 is installed on one side of the clamp pressing plate 1, the temperature sensor 8 is used for detecting the temperature of the clamp, and preferably, a threaded thermocouple sensor with the model of CAT-TCS0025 is selected as the temperature sensor 8 in the embodiment. The temperature requirement of the battery cell formation is met, the temperature in the formation process is monitored in real time, and the safety of the battery cell formation is ensured.
An insulating plate 9 is laid on one side, far away from the U-shaped plate 2, of the clamp pressing plate 1, the insulating plate 9 is fixedly connected with the clamp pressing plate 1 through adhesive, preferably, an epoxy resin plate is selected as the insulating plate 9 in the embodiment, and in other embodiments, the insulating plate 9 can be made of other insulating materials. The parts, except for the power connection assembly 6, of the adjacent clamps are mutually insulated, the condition of electric leakage between other parts of the clamps is avoided, and the safety of formation processing operation is guaranteed.
The specific implementation process is as follows:
When the high-capacity soft package battery cell is formed, the battery cell is placed in a placing groove 201 in a clamp, and a tab on the battery cell penetrates out of a tab opening 203 at the bottom of the placing groove 201 to be connected with a power supply connecting component 6 on an adjacent clamp, and a current contact plate 602 in the tab and the power supply connecting component 6 is in contact with a voltage contact plate 601 to realize charging of the battery cell; the connecting plate 3 drives the clamps to move in the formation equipment, so that adjacent clamps are mutually extruded, the pressurizing operation in the formation process of the battery cell is realized, the battery cell is heated through the heating plate 7 in the formation process, and various environmental requirements of the battery cell in the formation process are met.
Compare in prior art, set up standing groove 201 through in U-shaped plate 2 in this scheme for the soft packet of electric core of large capacity can be firm place in standing groove 201, and can increase the area of contact between electric core and the U-shaped plate 2, make U-shaped plate 2 can firm wrap up and fix the circumference of soft packet of electric core when the formation, guarantee the stability of electric core installation in anchor clamps. And through set up the power coupling assembling 6 that contact connection and the utmost point ear of electric core on adjacent anchor clamps clamp plate 1 and be connected for the utmost point ear of electric core is when being connected with the power, can realize quick accurate connection, improves the convenience that the utmost point ear was connected.
The foregoing is merely exemplary of the present utility model and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420544650.1U CN222072003U (en) | 2024-03-20 | 2024-03-20 | A fixture for forming large-capacity soft-pack battery cells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420544650.1U CN222072003U (en) | 2024-03-20 | 2024-03-20 | A fixture for forming large-capacity soft-pack battery cells |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222072003U true CN222072003U (en) | 2024-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420544650.1U Active CN222072003U (en) | 2024-03-20 | 2024-03-20 | A fixture for forming large-capacity soft-pack battery cells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222072003U (en) |
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- 2024-03-20 CN CN202420544650.1U patent/CN222072003U/en active Active
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