CN104347899B - Lithium ion battery pressue device - Google Patents
Lithium ion battery pressue device Download PDFInfo
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- CN104347899B CN104347899B CN201410557040.6A CN201410557040A CN104347899B CN 104347899 B CN104347899 B CN 104347899B CN 201410557040 A CN201410557040 A CN 201410557040A CN 104347899 B CN104347899 B CN 104347899B
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- hinge arms
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- lithium ion
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 94
- 230000004308 accommodation Effects 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241001466460 Alveolata Species 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
A kind of lithium ion battery pressue device, including: base plate, fixed frame, pressing plate and hinge means, this fixed frame is fixed with the relative position of this base plate, this pressing plate is connected with this fixed frame by this hinge means, this hinge means makes this pressing plate arrange with this base plate interval, has an accommodation space for accommodating battery cell between this pressing plate and this base plate；This hinge means includes a dead point mechanism being made up of the first hinge arms, the second hinge arms, the first bearing pin, the second bearing pin, the 3rd bearing pin and handle, wherein this first hinge arms is connected with this fixed frame by a hinge seat, this second hinge arms is connected with this pressing plate, when this first hinge arms and the second hinge arms are when the drive of this handle is issued to dead-centre position, the battery cell being placed between this pressing plate and this base plate is compacted.
Description
Technical field
The present invention relates to a kind of lithium ion battery pressue device, particularly relate to a kind of lithium-ion-power cell chemical conversion and test pressue device.
Background technology
Lithium-ion-power cell has higher energy density, memory-less effect, cycle-index is many, service life the advantage such as length, for this zero-emission of electric automobile, the universal of the pollution-free vehicles provides advantage, but the technology of preparing of lithium-ion-power cell is relative complex, working condition is required more harsh, particularly during lithium-ion-power cell chemical conversion, there is a small amount of bubble in inside battery, if be not acted upon, these bubbles can be always present in battery, after long-time use, in battery, alveolate part can constantly expand, pole plate separating ranges is caused to increase, battery capacity declines, after battery overcharges or crosses and puts, in battery, flatulence phenomenon can increase the weight of further, have a strong impact on cycle life and the discharge performance of battery, and leakage may be caused to cause battery to be scrapped.
In order to solve the problems referred to above, battery is typically placed in burn-in board by prior art, then manual clip is clamped the lug of battery and is melted into, use the method vacuumizing to be expressed into the gas in battery in gas-storing bag in formation process, again battery is separated with gas-storing bag when Battery formation finishes.But this method Battery holder efficiency is low, and operating process is relatively complicated, inefficient, and it cannot be guaranteed that battery surface smooth.
Content of the invention
In view of this, necessary provide a kind of easy to use, can effectively solve the problem of the accumulation of air entrapment in battery forming process and the lithium ion battery pressue device that can simultaneously improve battery outward appearance and interior quality.
A kind of lithium ion battery pressue device, including: base plate, fixed frame, pressing plate and hinge means, this fixed frame is fixed with the relative position of this base plate, this pressing plate is connected with this fixed frame by this hinge means, this hinge means makes this pressing plate arrange with this base plate interval, has an accommodation space for accommodating battery cell between this pressing plate and this base plate；This hinge means includes hinge seat, first hinge arms, second hinge arms, first bearing pin, second bearing pin, 3rd bearing pin and rocking bar, described hinge seat is connected with described fixed frame, described first hinge arms is hinged with described hinge seat by described first bearing pin, described second hinge arms is hinged with described first hinge arms by described second bearing pin, described second hinge arms is hinged with described pressing plate by described 3rd bearing pin, described handle is fixing with described first hinge arms to be connected, this handle is used for driving described first hinge arms to rotate, so that described first hinge arms drives described second hinge arms to rotate, and then drive described pressing plate closer or far from described base plate；This hinge means has a dead-centre position, position when this dead-centre position is described first hinge arms and described second hinge arms turns to make described first bearing pin, described second bearing pin and described 3rd bearing pin to be in same straight line, when described first hinge arms and described second hinge arms reach described dead-centre position under the drive of described handle, the described battery cell being placed between described pressing plate and described base plate is compacted.
The lithium ion battery pressue device of the present invention, in battery cell formation process, battery cell can be pressurizeed, the problem that can effectively solve air entrapment accumulation in battery cell formation process, can prevent battery cell from expansion, deformation occurring in formation process, interior quality and the face shaping of battery cell can be improved；This pressue device be utilize machinery dead point principle and design a kind of can fast clamp, the structure quickly opened, it is easy to use and regulation, it is swift in motion reliable, operating personnel are conducive to operate, reduce the auxiliary used time, accelerate battery is carried out the added operation process of pressurization clamping by Battery formation technique, improve production efficiency；The simple in construction of this pressue device, is suitable for high-volume and fabricates.
Brief description
Fig. 1 is the stereogram of embodiment of the present invention lithium ion battery pressue device.
Fig. 2 is the top view of embodiment of the present invention lithium ion battery pressue device.
Fig. 3 is the front view of the lithium ion battery pressue device lock-out state in III-III cross section in Fig. 2.
Fig. 4 is the front view of the lithium ion battery pressue device open mode in III-III cross section in Fig. 2.
Fig. 5 is the side view of the lithium ion battery pressue device lock-out state in IV-IV cross section in Fig. 2.
Main element symbol description
| Base plate | 10 |
| Fixed frame | 20 |
| Supporter | 210 |
| Fixed mount | 220 |
| First through hole | 222 |
| Second through hole | 224 |
| Pressing plate | 30 |
| Groove | 320 |
| Hinge means | 40 |
| Hinge seat | 410 |
| First linkage section | 412 |
| Second linkage section | 414 |
| 3rd linkage section | 418 |
| First hinge arms | 420 |
| Second hinge arms | 430 |
| First bearing pin | 440 |
| Second bearing pin | 450 |
| 3rd bearing pin | 460 |
| Handle | 470 |
| Tie-beam | 472 |
| Control handle | 474 |
| Bolt | 480 |
| Pad | 490 |
| Battery cell | 50 |
| Flexible member | 60 |
| Postive stop baffle | 70 |
| Angle bar | 80 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1 to Fig. 5, a kind of lithium ion battery pressue device, comprising: base plate the 10th, fixed frame the 20th, pressing plate 30 and hinge means 40.This fixed frame 20 is fixed with the relative position of this base plate 10.This pressing plate 30 is connected with this fixed frame 20 by this hinge means 40, and this hinge means 40 makes this pressing plate 30 arrange with this base plate 10 interval, has an accommodation space for accommodating battery cell 50 between this pressing plate 30 and this base plate 10.
This hinge means 40 includes hinge seat the 410th, the first hinge arms the 420th, the second hinge arms the 430th, the first bearing pin the 440th, the second bearing pin the 450th, the 3rd bearing pin 460 and handle 470.Described hinge seat 410 is connected with described fixed frame 20, described first hinge arms 420 is hinged with described hinge seat 410 by described first bearing pin 440, described second hinge arms 430 is hinged with described first hinge arms 420 by described second bearing pin 450, and described second hinge arms 430 is hinged with described pressing plate 30 by described 3rd bearing pin 460.Described handle 470 is fixing with described first hinge arms 420 to be connected, this handle 470 is used for driving described first hinge arms 420 to rotate, so that described first hinge arms 420 drives described second hinge arms 430 to rotate, and then drive described pressing plate 30 closer or far from described base plate 10.This hinge means 40 has a dead-centre position, position when this dead-centre position is described first hinge arms 420 and described second hinge arms 430 turns to make described first bearing pin the 440th, described second bearing pin 450 and described 3rd bearing pin 460 to be in same straight line.When described first hinge arms 420 and described second hinge arms 430 reach described dead-centre position under the drive of described handle 470, the described battery cell 50 being placed between described pressing plate 30 and described base plate 10 is compacted.When this first hinge arms 420 and this second hinge arms 430 reach described dead-centre position, this pressue device is in the lock state, and when this first hinge arms 420 and this second hinge arms 430 do not reach described dead-centre position, this pressue device is in open mode.
The platy structure that described base plate 10 and described pressing plate 30 are rigidity.When this pressue device is in the lock state, described base plate 10 and described pressing plate 30 parallel interval are arranged, and the direction X along its thickness direction and towards described base plate 10 for the described pressing plate 30 applies pressure to this battery cell 50, so that this battery cell 50 is compacted.Can be further provided with groove 320 on described pressing plate 30, described pressing plate 30 can be stuck on described fixed frame 20 by this groove 320, makes this pressing plate 310 can only move along described direction X, it is impossible to move in the other direction.Preferably, the resistance of described base plate 10 and described pressing plate 30 is equal to higher than 500M Ω, in case leak-stopping is electric, short-circuit etc., event occurs.Preferably, described base plate 10 and described pressing plate 30 are all through anodic oxidation insulation processing, described base plate 10 and described pressing plate 30 can not only be made to insulate by this process, and described base plate 10 and described pressing plate 30 also can be made to have good heat transfer property and corrosion resistance.Preferably, described base plate 10 and the seamed edge in the side that described battery cell 50 is put into and taken out for the described pressing plate 30 have chamfering, and described battery cell 50 can be prevented to be scraped off with when taking out putting into.Described battery cell 50 can be square or sheet flexible-packed battery.
Described fixed frame 20 is used for making this hinge means 40 and this pressing plate 30 arrange along described direction X interval with this base plate 10.Described fixed frame 20 does not limits with the annexation of described base plate 10, as long as this fixed frame 20 is fixed with the relative position of this base plate 10, and can make be arranged and form described accommodation space with this base plate 10 interval by the pressing plate 30 that described hinge means 40 is connected with this fixed frame 20.Preferably, described fixed frame 20 is fixed on described base plate 10.This fixed frame 20 can include fixed mount 220 and multiple supporter 210.The plurality of supporter 210 is used for supporting, fix and be spaced described fixed mount 220 and described base plate 10.The two ends of this supporter 210 are fixing with described fixed mount 220 with described base plate 10 respectively to be connected.The plurality of supporter 210 may be provided at the edge of described base plate 10.This supporter 210 can be connected by bolt is fixing with described base plate 10.Described pressing plate 30 can be stuck on the plurality of supporter 210 by described groove 320, so that this pressing plate 30 can only move on described direction X along this supporter, and can not move in the other direction, it is ensured that this pressing plate 30 is evenly closer or far from described base plate 10.Described hinge means 40 is connected with this fixed mount 220.This fixed mount 220 can be a fixed plate, it is possible to be multiple fixed borders.This fixed mount 220 has the first through hole 222 on described direction X, is used for making this fixed mount 220 be connected with described hinge means 40.Further, this supporter 210 and this fixed mount 220 are hollow structure, so that this fixed frame 20 has lighter quality, thus alleviate the weight of whole pressue device, and the use making this pressue device is more convenient.
In embodiments of the present invention, described supporter 210 is column, the quantity of described column is 4, described fixed mount 220 is described fixed border, the quantity of described fixed border is 2, each described fixed border forms a U-frame frame with two described columns respectively, and described column is secured by bolts on described base plate 10 in the edge of described base plate 10, and this two U-frame frame parallel interval are arranged.Preferably, described U-frame frame is one-body molded.
Described hinge means 40 is connected with described fixed mount 220 by described hinge seat 410.Specifically, one end of described hinge seat 410 is connected with described fixed mount 220, and the other end is hinged with described first hinge arms 420.Described hinge seat 410 can fixing with described fixed mount 220 be connected, it is possible to is movably connected with described fixed mount 220.
In one embodiment, this hinge seat 410 is fixed with this fixed mount 220 and is connected.Specifically, described hinge seat 410 is positioned at described fixed mount 220 towards the side of described pressing plate 30, and this hinge seat 410 is provided with screw towards the side of described fixed mount 220, one bolt passes through described first through hole 222 and is screwed onto on the screw of described hinge seat 410, is connected so that this hinge seat 410 is fixed with this fixed mount 220.
In another embodiment, this hinge seat 410 and this fixed mount 220 are movably connected.Specifically, described hinge seat 410 includes the first linkage section 412 and the second linkage section 414 being coaxially disposed along described direction X and being sequentially connected with.Described first linkage section 410 runs through described first through hole 222 and can slide along described direction X in described first through hole 222, described first linkage section 412 is connected away from the side of described pressing plate 30 is fixing with a pad 490 at described first through hole 222, when this pressue device is in open mode, this hinge seat 410 is stuck on this fixed mount 220 by this pad 490 away from the side of this pressing plate 30 at this first through hole 222, so that this hinge seat 410 is without departing from this fixed mount 220.Described second linkage section 414 is positioned at described first through hole 222 near the side of described pressing plate 30, when this pressue device is in the lock state, this hinge seat 410 is stuck on this fixed mount 220 by this second linkage section 414 towards the side of this pressing plate 30 at this first through hole 222, this hinge means 40 is made to fix, and make this fixed mount 220 apply this hinge means 40 and this pressing plate 30 one along the pressure of described direction X by this second linkage section 414, so that this battery cell 50 compresses.This second linkage section 414 is at the step surface 416 of the local formation one described pressing plate 30 dorsad being connected with described first linkage section 412, when this pressue device is in the lock state, this step surface 416 contacts with described fixed mount 220, so that this hinge seat 410 is stuck on this fixed mount 220.
Described first linkage section 410 can be connected by bolt 480 is fixing with described pad 490.Specifically, on described pad 490, there is hole, the side of described first linkage section 412 described pressing plate 30 dorsad is provided with screw, and the hole that described bolt 480 passes through this pad 490 is spirally connected with the screw of this first linkage section 412, is connected so that this first linkage section 412 is fixed with this pad 490.
Described fixed mount 220 also can have the second through hole 224 being coaxially disposed with described first through hole 222 on described direction X, this second through hole 224 is positioned at this first through hole 222 towards the side of described pressing plate 30, and this second linkage section 414 can penetrate this second through hole 224 and slide along described direction X in this second through hole 224.This second through hole 224 can limit further and move on direction beyond described direction X for this second linkage section 414, thus prevents described first hinge arms 420 and described second hinge arms 430 from crossing dead-centre position and producing the situation of unstability.The radius of this second through hole 224 is more than the radius of described first through hole 222.When this fixed mount 220 is for solid construction, this first through hole 222 is collectively forming a shoulder hole with this second through hole 224.When this fixed mount 220 is for hollow-core construction, this first through hole 222 and this second through hole 224 lay respectively at this hollow fixed mount 220 and deviate from the side of described pressing plate 30 and towards the side of described pressing plate 30.
Described hinge seat 410 can be hinged with described first hinge arms 420 by this second linkage section 414.Further, described hinge seat 410 may also include the 3rd linkage section 418,3rd linkage section 418 is positioned at described second linkage section 414 and is coaxially disposed away from the side of described first linkage section 412 and with described second linkage section 414, and this hinge seat 410 can be hinged with described first hinge arms 420 by the 3rd linkage section 418.Preferably, described first linkage section the 412nd, described second linkage section 414 and described 3rd linkage section 418 is one-body molded, so that this hinge means 40 is more firm with the connection of this fixed frame 20.Preferably, this first linkage section 412 all uses the mode of small-gap suture hole axle to coordinate with this first through hole the 222nd, this second linkage section 414 and this second through hole 224, so that this first linkage section 412 and this second linkage section 414 can prolong described direction X slidably respectively in this first through hole 222 and the second through hole 224, and don't this hinge seat 410 can be made to produce too big radial direction rock and make described first hinge arms 420 and described second hinge arms 430 cross dead-centre position and produce unstability.
Described hinge seat 410 also can farther include flexible member 60, and this flexible member 60 is arranged between described second linkage section 414 and described fixed mount 220 along described direction X.When described pressue device is in the lock state, this flexible member 60 is in compressive state, and provides the pressure pressing to described pressing plate 30 to described hinge seat 410, it is ensured that effective compression to battery cell 50 for the described pressing plate 30；But, this flexible member 60 is not at the elastic compression limit, i.e. also can elastic compression further, so that the distance between described pressing plate 30 and described base plate 10 can adjust, adapt to thickness change and the same battery cell 50 thickness change that pole plate expansion causes when chemical conversion that different battery cell 50 produces because of foozle, ensure effective compression to battery cell 50 for this pressing plate 30 simultaneously.This flexible member 60 may be disposed between described step surface 416 and described fixed mount 220.This flexible member can be spring, elastic or shell fragment.Preferably, this flexible member is butterfly spring, this butterfly spring can be enclosed within described first linkage section 412, this butterfly spring has the first relative end and the second end on its deformation direction, first end of this butterfly spring contacts with described step surface 416, and the second end of this butterfly spring contacts with described fixed mount 220.
Described first hinge arms the 420th, described second hinge arms the 430th, described first bearing pin the 440th, described second bearing pin the 450th, described 3rd bearing pin 460 and described handle 470 form a dead point mechanism, wherein this first hinge arms 420 is connected with described fixed frame 20 by described hinge seat 410, this second hinge arms 430 is connected with described pressing plate 30, when this first hinge arms 420 and the second hinge arms 430 are when the drive of this handle 470 is issued to described dead-centre position, the battery cell 50 being placed between this pressing plate 30 and this base plate 10 is compacted.Described first hinge arms 420 is respectively provided with the first relative end and the second end in its longitudinal direction with described second hinge arms 430, first end of described first hinge arms 420 is hinged with described hinge seat 420 by described first bearing pin 440, second end of described first hinge arms 420 is hinged with the first end of described second hinge arms 430 by described second bearing pin 450, and the second end of described second hinge arms 430 is hinged with described pressing plate 30 by described 3rd bearing pin 460.Described first bearing pin the 440th, described second bearing pin 450 and described 3rd bearing pin 460 interval parallel to each other are arranged, and the rotation to ensure described first hinge arms 420 and described second hinge arms is axially in parallel.
Described pressue device can farther include postive stop baffle 70.This postive stop baffle 70 is arranged in the rotary motion trace of described second hinge arms 430, when described second hinge arms 430 reaches described dead-centre position, this postive stop baffle 70 is used for stoping described second hinge arms 430 to be rotated further, thus the situation that described first hinge arms 420 and described second hinge arms 430 cross described dead-centre position and produce unstability can be prevented, it is ensured that the reliability of described lithium ion battery pressue device.
Described pressue device also can farther include angle bar 80.Described pressing plate 30 can be hinged with described second hinge arms 430 by this angle bar 80.Described angle bar 80 includes two one-body molded and orthogonal side plates, one of them side plate arranges with described pressing plate 30 superposition and fixes with described pressing plate 30 and is connected, and another side plate is perpendicular to described pressing plate 30 and arranges and hinged with described second hinge arms 430 by described 3rd bearing pin 460.Can be connected by described bolt 480 is fixing with described pressing plate 30 with the side plate that described pressing plate 30 superposition is arranged.Described postive stop baffle 70 may be provided on this angle bar 80 and the vertically disposed side plate of described pressing plate 30.Preferably, described postive stop baffle 70 is solderable on described angle bar 80 and the vertically disposed side plate of described pressing plate 30.
The quantity of this hinge means 40 and arrange position and do not limit, as long as this pressing plate 30 can be made to arrange with this base plate 10 interval, and can drive this pressing plate 30 closer or far from this base plate 10.When the quantity of this hinge means 40 is 1, this hinge means 40 may be provided at the position of centre of gravity of described pressing plate 30.When the quantity of this hinge means 40 is multiple, the plurality of hinge means 40 can form a symmetrical structure, to drive described pressing plate 30 symmetrically closer or far from described base plate 10.In the present embodiment, the quantity of this hinge means 40 is four, this four hinge means 40 and this pressing plate 30 carry out hinged four pin joint and form a parallelogram, this four hinge means can drive this pressing plate 30 symmetrically closer or far from described base plate 10, and described pressing plate 30 can be exerted a force by this four hinge means equably, thus this battery cell 50 stress equably is compressed.This four hinge means 40 are divided into two groups, and often group includes two hinge means being coaxially disposed 40, and the hinge means 40 between group and group is not coaxially disposed.Described being coaxially disposed refers to that the rotary shaft of two described hinge means 40 is identical.This four hinge means 40 share two handles 470, and every one handle 470 is simultaneously fixing with the first hinge arms 420 of two hinge means being coaxially disposed 40 to be connected, for driving this two hinge means 40 to rotate simultaneously.Specifically, this handle 470 includes a tie-beam 472 and a control handle 474, and the two ends of this tie-beam 472 length direction are fixing with the first hinge arms 420 of a hinge means 40 respectively to be connected, and this control handle 474 is fixing with the middle part of this tie-beam 472 to be connected.This control handle 474 can be one-body molded with this tie-beam 472, and this tie-beam 472 can pass through bolt and the fixing connection of the first hinge arms 420.When reality is applied, two hands of people can operate this two control handles 474 simultaneously, makes this two tie-beams 472 rotate simultaneously, thus drive this four hinge means 40 to rotate simultaneously, make this pressing plate 30 symmetrically away from or near described base plate 10.
The lithium ion battery pressue device of the present invention, in battery cell formation process, battery cell can be pressurizeed, the problem that can effectively solve air entrapment accumulation in battery cell formation process, can prevent battery cell from expansion, deformation occurring in formation process, interior quality and the face shaping of battery cell can be improved；This pressue device utilize machinery dead point principle and design a kind of can fast clamp, the structure quickly opened, it is easy to use and regulation, it is swift in motion reliable, operating personnel are conducive to operate, reduce the auxiliary used time, accelerate battery is carried out the added operation process of pressurization clamping by Battery formation technique, improve production efficiency；The simple in construction of this pressue device, is suitable for high-volume and fabricates.
The lithium ion battery pressue device of the present invention, its dead-centre position is determined by the postive stop baffle being welded on angle bar, and postive stop baffle can prevent the first hinge arms and the second hinge arms from crossing dead-centre position and producing unstability situation, it is ensured that the reliability of this pressue device.
The lithium ion battery pressue device of the present invention, flexible member is used to connect this hinge means and this fixed frame, this flexible member can deform upon to adapt to thickness change and the thickness change that pole plate expansion causes when chemical conversion of same battery cell that different battery cell produces because of foozle, its this flexible member can guarantee that effective compression to battery cell for the pressing plate, can ensure interior quality and the face shaping of battery cell during battery cell chemical synthesis technology.
Additionally, in battery cell charge and discharge process, if applying certain pressure to battery cell, the capacity of battery cell can be made to be improved to some extent, lithium ion battery pressue device of the present invention can also be used for battery cell charge-discharge test during pressurization.
In addition, those skilled in the art can also do other changes, certainly, these changes done according to present invention spirit in present invention spirit, all should be included within scope of the present invention.
Claims (13)
1. a lithium ion battery pressue device, it is characterised in that include: base plate, fixed frame, pressing plate
And hinge means, this fixed frame fixes with the relative position of this base plate, and this pressing plate is by this hinge means
Being connected with this fixed frame, this hinge means makes this pressing plate arrange with this base plate interval, this pressing plate and this end
There is an accommodation space for accommodating battery cell between plate；
This hinge means includes hinge seat, the first hinge arms, the second hinge arms, the first bearing pin, the second pin
Axle, the 3rd bearing pin and handle, described hinge seat is connected with described fixed frame, and described first hinge arms is led to
Crossing described first bearing pin hinged with described hinge seat, described second hinge arms passes through described second bearing pin and institute
Stating the first hinge arms hinged, described second hinge arms is hinged with described pressing plate by described 3rd bearing pin, institute
Stating that handle and described first hinge arms are fixing to be connected, this handle is used for driving described first hinge arms to carry out turn
Dynamic, so that described first hinge arms drives described second hinge arms to rotate, and then drive described pressure
Plate is closer or far from described base plate；
This hinge means has a dead-centre position, and this dead-centre position is described first hinge arms and described second
Hinge arms turns to make described first bearing pin, described second bearing pin and described 3rd bearing pin be in same straight line
When position, when described first hinge arms and described second hinge arms reach institute under the drive of described handle
When stating dead-centre position, the described battery cell being placed between described pressing plate and described base plate is compacted.
2. lithium ion battery pressue device as claimed in claim 1, it is characterised in that described base plate with described
Pressing plate parallel interval is arranged.
3. lithium ion battery pressue device as claimed in claim 1, it is characterised in that described fixed frame exists
Having the first through hole on one direction X, described direction X is for along described thickness of compressive plate towards described base plate
Direction, described hinge seat includes the first linkage section and being coaxially disposed along described direction X and being sequentially connected with
Two linkage sections, described first linkage section runs through described first through hole and can be along described in described first through hole
Direction X slides, described first linkage section at described first through hole away from side and a pad of described pressing plate
Fixing connection, this hinge seat can be stuck in this admittedly by this pad at this first through hole away from the side of this pressing plate
Determine on framework；Described second linkage section is positioned at described first through hole towards the side of described pressing plate, this hinge
Seat can be stuck on this fixed frame by this second linkage section towards the side of this pressing plate at this first through hole,
And make this fixed frame apply one along described side by this second linkage section to this hinge means and this pressing plate
To the pressure of X, so that this battery cell compresses.
4. lithium ion battery pressue device as claimed in claim 3, it is characterised in that described hinge seat enters
Step includes flexible member, and it is solid with described that this flexible member is arranged at described second linkage section along described direction X
Determine between framework, when described first hinge arms and described second hinge arms are in dead-centre position, this elasticity
Element is in compressive state, and provides the pressure pressing to described pressing plate to described hinge seat, to ensure
State effective compression to described battery cell for the pressing plate.
5. lithium ion battery pressue device as claimed in claim 4, it is characterised in that when described first hinge
When arm and described second hinge arms are in dead-centre position, described flexible member is not at elastic compression pole
Limit, also can elastic compression further.
6. lithium ion battery pressue device as claimed in claim 5, it is characterised in that described flexible member is
Butterfly spring, this butterfly spring is enclosed within described first linkage section, and this butterfly spring has along its deformation direction
Having the first relative end and the second end, described second linkage section is in the place being connected with described first linkage section
The step surface of formation one described pressing plate dorsad, the first end of this butterfly spring contacts with described step surface, should
Second end of butterfly spring contacts with described fixed frame.
7. lithium ion battery pressue device as claimed in claim 3, it is characterised in that described fixed frame exists
Having the second through hole being coaxially disposed with described first through hole on described direction X, this second through hole is positioned at this
First through hole towards the side of described pressing plate, this second linkage section penetrate this second through hole and can this second
Through hole slides along described direction X.
8. lithium ion battery pressue device as claimed in claim 7, it is characterised in that described first linkage section
All use the side of small-gap suture hole axle with described first through hole and described second linkage section with described second through hole
Formula coordinates.
9. lithium ion battery pressue device as claimed in claim 1, it is characterised in that described fixed frame bag
Include fixed mount and multiple supporter, the plurality of supporter is used for supporting, fixing and be spaced described fixed mount with
Described base plate, the two ends of this supporter are fixing with described base plate and described fixed mount respectively to be connected, described hinge
Chain apparatus is connected with this fixed mount.
10. lithium ion battery pressue device as claimed in claim 1, it is characterised in that described pressue device enters
One step includes a postive stop baffle, and this postive stop baffle is positioned in the rotary motion trace of described second hinge arms, works as institute
When stating the second hinge arms described dead-centre position of arrival, this postive stop baffle can stop described second hinge arms to continue
Rotate.
11. lithium ion battery pressue devices as claimed in claim 1, it is characterised in that described pressue device enters
One step includes an angle bar, and described pressing plate is hinged with described second hinge arms by this angle bar, described angle bar bag
Including two one-body molded and orthogonal side plates, one of them side plate superposes with described pressing plate and arranges and solid
Fixed connection, another side plate is perpendicular to described pressing plate and arranges and by described 3rd bearing pin and described second hinge
Chain arm is hinged.
12. lithium ion battery pressue devices as claimed in claim 1, it is characterised in that the number of this hinge means
Amount is four, and this four hinge means carry out hinged four pin joint with this pressing plate and form one parallel four
Limit shape, this four hinge means are divided into two groups, and often group includes two hinge means being coaxially disposed, group with
Hinge means between group is not coaxially disposed.
13. lithium ion battery pressue devices as claimed in claim 12, it is characterised in that this four hinge dresses
Putting shared two handles, every one handle is simultaneously solid with the first hinge arms of two hinge means being coaxially disposed
Fixed connection, for driving this two hinge means to rotate simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557040.6A CN104347899B (en) | 2014-10-20 | 2014-10-20 | Lithium ion battery pressue device |
| PCT/CN2015/091460 WO2016062195A1 (en) | 2014-10-20 | 2015-10-08 | Lithium ion battery pressing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410557040.6A CN104347899B (en) | 2014-10-20 | 2014-10-20 | Lithium ion battery pressue device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104347899A CN104347899A (en) | 2015-02-11 |
| CN104347899B true CN104347899B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557040.6A Active CN104347899B (en) | 2014-10-20 | 2014-10-20 | Lithium ion battery pressue device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104347899B (en) |
| WO (1) | WO2016062195A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347899B (en) * | 2014-10-20 | 2016-11-23 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery pressue device |
| CN107895816A (en) * | 2017-11-30 | 2018-04-10 | 中航锂电（江苏）有限公司 | lithium battery module assembly system |
| CN108598304A (en) * | 2018-02-27 | 2018-09-28 | 安徽夏禹新能源科技有限公司 | Needle bed-type automobile batteries grading system |
| CN111969143A (en) * | 2020-08-19 | 2020-11-20 | 刘洋 | Power lithium battery and preparation process thereof |
| CN112428554A (en) * | 2020-10-29 | 2021-03-02 | 青海百能汇通新能源科技有限公司 | Carbon felt composite battery pole plate and production method thereof, carbon felt composite calendering equipment and flow battery |
| CN113921980B (en) * | 2021-09-29 | 2023-02-10 | 广东电网有限责任公司 | Electric power storage device |
| CN113889657B (en) * | 2021-11-02 | 2023-08-22 | 芜湖天弋能源科技有限公司 | Assembling device of battery module |
| CN114062728B (en) * | 2021-11-17 | 2023-10-31 | 宁德余库五金制品有限公司 | Clamping device of pressure clamp and working method thereof |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101453126B1 (en) * | 2010-07-20 | 2014-10-27 | 주식회사 엘지화학 | Method for fabricating pouch type lithium secondary battery and pouch type lithium secondary battery fabricated using the same |
| CN202167578U (en) * | 2011-01-13 | 2012-03-14 | 东莞新能源科技有限公司 | Flexible package lithium-ion secondary battery formation clamp |
| CN202094235U (en) * | 2011-05-24 | 2011-12-28 | 珠海市鹏辉电池有限公司 | Flexible packaging lithium ion battery formation clamp |
| CN202616344U (en) * | 2012-03-13 | 2012-12-19 | 苏州菱欧自动化设备有限公司 | Battery molding pressure device |
| CN203617401U (en) * | 2013-12-06 | 2014-05-28 | 河南超威电源有限公司 | Device for pressurizing and forming lead-acid storage battery |
| CN103811817A (en) * | 2014-02-12 | 2014-05-21 | 宁德新能源科技有限公司 | Lithium ion battery hot-press formation clamp |
| CN103969119B (en) * | 2014-05-26 | 2016-05-04 | 吉林大学 | Be applicable to the cupping machine clamping device of plate tensile sample |
| CN204257775U (en) * | 2014-10-20 | 2015-04-08 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery pressue device |
| CN104347899B (en) * | 2014-10-20 | 2016-11-23 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery pressue device |
-
2014
- 2014-10-20 CN CN201410557040.6A patent/CN104347899B/en active Active
-
2015
- 2015-10-08 WO PCT/CN2015/091460 patent/WO2016062195A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016062195A1 (en) | 2016-04-28 |
| CN104347899A (en) | 2015-02-11 |
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