CN104347899A - Pressurizing device of lithium ion battery - Google Patents
Pressurizing device of lithium ion battery Download PDFInfo
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- CN104347899A CN104347899A CN201410557040.6A CN201410557040A CN104347899A CN 104347899 A CN104347899 A CN 104347899A CN 201410557040 A CN201410557040 A CN 201410557040A CN 104347899 A CN104347899 A CN 104347899A
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- 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
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- 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
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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
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Abstract
The invention discloses a pressurizing device of a lithium ion battery. The pressurizing device comprises a bottom plate, a fixed frame, a pressing plate and a hinge device, wherein relative positions of the fixed frame and the bottom plate are fixed, the pressing plate is connected with the fixed frame by means of the hinge device, the hinge device enables the pressing plate and the bottom plate to be arranged at an interval, an accommodating space is arranged between the pressing plate and the bottom plate for accommodating a battery monomer; the hinge device comprises a dead point mechanism, wherein the dead point mechanism is composed of a first hinge arm, a second hinge arm, a first pin roll, a second pin roll, a third pin roll and a handle, the first hinge arm is connected with the fixed frame by means of a hinge base, the second hinge arm is connected with the pressing plate, and when the first hinge arm and the second hinge arm reach a dead point position under the drive of the handle, the battery monomer placed between the pressing plate and the bottom 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 and change into and test pressue device.
Background technology
Lithium-ion-power cell has higher energy density, memory-less effect, cycle-index is many, the advantages such as long service life, for this zero discharge of electric automobile, the universal of the pollution-free vehicles provides advantage, but the technology of preparing relative complex of lithium-ion-power cell, working condition is required comparatively harsh, in the process particularly changed at lithium-ion-power cell, there is a small amount of bubble in inside battery, if do not processed, these bubbles can be present in battery always, 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 excessively 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 problem, battery is generally placed in burn-in board by prior art, then the lug that battery clamped by manual clip changes into, in formation process, adopt the method vacuumized to be expressed in gas-storing bag by the gas in battery, again battery is separated with gas-storing bag when Battery formation is complete.But this method Battery holder efficiency is low, and operating process is comparatively loaded down with trivial details, and efficiency is not high, and can not ensure the smooth of battery surface.
Summary of the invention
In view of this, necessary provide a kind of easy to use, effectively can solve problem that air entrapment in battery forming process gathers and the lithium ion battery pressue device of battery outward appearance and interior quality can be improved simultaneously.
A kind of lithium ion battery pressue device, comprise: base plate, fixed frame, pressing plate and hinge means, the relative position of this fixed frame and this base plate is fixed, this pressing plate is connected with this fixed frame by this hinge means, this hinge means makes this pressing plate and this base plate interval arrange, and has an accommodation space for holding battery cell between this pressing plate and this base plate, this hinge means comprises 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 by described first bearing pin and described hinge seat hinged, described second hinge arms by described second bearing pin and described first hinge arms hinged, described second hinge arms by described 3rd bearing pin and described pressing plate hinged, described handle is fixedly connected with described first hinge arms, this handle rotates for driving described first hinge arms, thus make described first hinge arms drive described second hinge arms to rotate, and then drive described pressing plate near or away from described base plate, this hinge means has a dead-centre position, this dead-centre position is the position that described first hinge arms and described second hinge arms turn to when making described first bearing pin, described second bearing pin and described 3rd bearing pin be in same straight line, when described first hinge arms and described second hinge arms arrive described dead-centre position under the drive of described handle, the described battery cell be placed between described pressing plate and described base plate is compacted.
Lithium ion battery pressue device of the present invention, can pressurize to battery cell in battery cell formation process, can effectively solve the problem that in battery cell formation process, air entrapment gathers, can prevent battery cell from formation process, occurring expansion, deformation, interior quality and the face shaping of battery cell can be improved; This pressue device be utilize mechanical dead point principle and design a kind of can fast clamp, the structure opened fast, easy to use and regulate, be swift in motion reliable, be conducive to operating personnel to operate, reduce the auxiliary used time, accelerating carries out pressurizeing to battery in Battery formation technique clamps added operation process, improves production efficiency; The structure of this pressue device is simple, is suitable for processing and manufacturing in enormous quantities.
Accompanying drawing explanation
Fig. 1 is the stereogram of embodiment of the present invention lithium ion battery pressue device.
Fig. 2 is the vertical 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 end 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 embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 to Fig. 5, a kind of lithium ion battery pressue device, comprising: base plate 10, fixed frame 20, 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 and this base plate 10 interval arrange, and has an accommodation space for holding battery cell 50 between this pressing plate 30 and this base plate 10.
This hinge means 40 comprises hinge seat 410, first hinge arms 420, second hinge arms 430, first bearing pin 440, second bearing pin 450, 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 fixedly connected with described first hinge arms 420, this handle 470 rotates for driving described first hinge arms 420, thus make described first hinge arms 420 drive described second hinge arms 430 to rotate, and then drive described pressing plate 30 near or away from described base plate 10.This hinge means 40 has a dead-centre position, and this dead-centre position is the position that described first hinge arms 420 and described second hinge arms 430 turn to when making described first bearing pin 440, described second bearing pin 450 and described 3rd bearing pin 460 be in same straight line.When described first hinge arms 420 and described second hinge arms 430 arrive described dead-centre position under the drive of described handle 470, the described battery cell 50 be 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 arrive 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 arrive described dead-centre position, this pressue device is in open mode.
Described base plate 10 and described pressing plate 30 are the platy structure of rigidity.When this pressue device is in the lock state, described base plate 10 and described pressing plate 30 parallel interval are arranged, and described pressing plate 30 applies pressure along its thickness direction and towards the direction X of described base plate 10 to this battery cell 50, thus makes this battery cell 50 compacted.Described pressing plate 30 can be provided with groove 320 further, and described pressing plate 30 is stuck on described fixed frame 20 by this groove 320, this pressing plate 310 can only be moved along described direction X, can not move in the other direction.Preferably, the resistance of described base plate 10 and described pressing plate 30 equals higher than 500M Ω, in case the events such as leak-stopping is electric, short circuit occur.Preferably, described base plate 10 and described pressing plate 30, all through anodic oxidation insulation processing, can not only make described base plate 10 and described pressing plate 30 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 described pressing plate 30 are put at described battery cell 50 has chamfering with the seamed edge of the side of taking out, and described battery cell 50 can be prevented to be scraped off with when taking out putting into.Described battery cell 50 can be flexible-packed battery that is square or sheet.
Described fixed frame 20 is arranged along X interval, described direction for making this hinge means 40 and this pressing plate 30 and this base plate 10.Described fixed frame 20 is not limit 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 the pressing plate 30 that is connected with this fixed frame 20 by described hinge means 40 can and this base plate 10 interval arrange and form described accommodation space.Preferably, described fixed frame 20 is fixed on described base plate 10.This fixed frame 20 can comprise fixed mount 220 and multiple supporter 210.The plurality of supporter 210 is for supporting, fixing and fixed mount 220 described in interval and described base plate 10.The two ends of this supporter 210 are fixedly connected with described fixed mount 220 with described base plate 10 respectively.The plurality of supporter 210 can be arranged on the edge of described base plate 10.This supporter 210 is fixedly connected with described base plate 10 by bolt.Described pressing plate 30 is stuck on the plurality of supporter 210 by described groove 320, to make this pressing plate 30 can only move on described direction X along this supporter, and can not move in the other direction, ensure this pressing plate 30 evenly near or away from described base plate 10.Described hinge means 40 is connected with this fixed mount 220.This fixed mount 220 can be a fixed head, also can be multiple fixed border.This fixed mount 220 has the first through hole 222 on described direction X, is connected with described hinge means 40 for making this fixed mount 220.Further, this supporter 210 is hollow structure with this fixed mount 220, to make this fixed frame 20 have lighter quality, thus alleviates the weight of whole pressue device, makes the use of this pressue device 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-shaped framework 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 these two U-shaped frame parallel intervals are arranged.Preferably, described U-shaped framework is one-body molded.
Described hinge means 40 is connected with described fixed mount 220 by described hinge seat 410.Particularly, one end of described hinge seat 410 is connected with described fixed mount 220, the other end and described first hinge arms 420 hinged.Described hinge seat 410 can be fixedly connected with described fixed mount 220, also can be movably connected with described fixed mount 220.
In one embodiment, this hinge seat 410 is fixedly connected with this fixed mount 220.Particularly, described hinge seat 410 is positioned at the side of described fixed mount 220 towards described pressing plate 30, and this hinge seat 410 is provided with screw towards the side of described fixed mount 220, one bolt passes described first through hole 222 and is screwed onto on the screw of described hinge seat 410, thus this hinge seat 410 is fixedly connected with this fixed mount 220.
In another embodiment, this hinge seat 410 is movably connected with this fixed mount 220.Particularly, described hinge seat 410 comprises and coaxially arranging and the first linkage section 412 and the second linkage section 414 connected successively along described direction X.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 fixedly connected with a pad 490 in the side of described first through hole 222 away from described pressing plate 30, when this pressue device is in open mode, this hinge seat 410 is stuck on this fixed mount 220 by this pad 490 in the side of this first through hole 222 away from this pressing plate 30, thus makes this hinge seat 410 can not depart 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 in this fixed mount 220 on towards the side of this pressing plate 30 by this second linkage section 414 at this first through hole 222, this hinge means 40 is fixed, and make this fixed mount 220 apply one along the pressure of described direction X by this second linkage section 414 to this hinge means 40 and this pressing plate 30, thus this battery cell 50 is compressed.This second linkage section 414 forms the step surface 416 of a described pressing plate 30 dorsad in the place be 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, thus this hinge seat 410 is stuck on this fixed mount 220.
Described first linkage section 410 is fixedly connected with described pad 490 by bolt 480.Particularly, described pad 490 has hole, the side of described first linkage section 412 described pressing plate 30 is dorsad provided with screw, and described bolt 480 is spirally connected through the hole of this pad 490 and the screw of this first linkage section 412, thus this first linkage section 412 is fixedly connected with this pad 490.
Described fixed mount 220 also can have coaxial the second through hole 224 arranged with described first through hole 222 on described direction X, this second through hole 224 is positioned at the side of this first through hole 222 towards 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 the side of this second linkage section 414 beyond described direction X further and move upward, 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 greater than the radius of described first through hole 222.When this fixed mount 220 is solid construction, this first through hole 222 forms a shoulder hole jointly with this second through hole 224.When this fixed mount 220 is hollow-core construction, this first through hole 222 lays respectively at this hollow fixed mount 220 with this second through hole 224 and deviates from the side of described pressing plate 30 and the side towards described pressing plate 30.
Described hinge seat 410 is hinged with described first hinge arms 420 by this second linkage section 414.Further, described hinge seat 410 also can comprise the 3rd linkage section 418,3rd linkage section 418 is positioned at described second linkage section 414 away from the side of described first linkage section 412 and coaxially arranges with described second linkage section 414, and this hinge seat 410 is hinged with described first hinge arms 420 by the 3rd linkage section 418.Preferably, described first linkage section 412, described second linkage section 414 and described 3rd linkage section 418 are one-body molded, thus make this hinge means 40 more firm with the connection of this fixed frame 20.Preferably, this first linkage section 412 all adopts the mode of small―gap suture hole axle to coordinate with this first through hole 222, this second linkage section 414 with this second through hole 224, described direction X can be prolonged respectively in this first through hole 222 and the second through hole 224 to make this first linkage section 412 and this second linkage section 414 to be free to slide, and don't this hinge seat 410 can be made to produce too large 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 comprise flexible member 60 further, 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 to the pressure that described hinge seat 410 provides one to press to described pressing plate 30, ensures effective compression of described pressing plate 30 pairs of battery cells 50; But, this flexible member 60 is not in the elastic compression limit, namely also can elastic compression further, thus make the distance between described pressing plate 30 and described base plate 10 adjustable, adapting to varied in thickness that different battery cell 50 produces because of foozle and same battery cell 50 pole plate when changing into expand the varied in thickness caused, ensureing effective compression of this pressing plate 30 pairs of battery cells 50 simultaneously.This flexible member 60 can be arranged 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 relative first end and the second end on its deformation direction, the 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 420, described second hinge arms 430, described first bearing pin 440, described second bearing pin 450, 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 issued to described dead-centre position in the drive of this handle 470, the battery cell 50 be placed between this pressing plate 30 and this base plate 10 is compacted.Described first hinge arms 420 has relative first end and the second end in their length direction respectively with described second hinge arms 430, the 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 440, described second bearing pin 450 and described 3rd bearing pin 460 interval parallel to each other are arranged, to ensure that the rotation axis of described first hinge arms 420 and described second hinge arms is to parallel.
Described pressue device can comprise postive stop baffle 70 further.This postive stop baffle 70 is arranged in the rotary motion trace of described second hinge arms 430, when described second hinge arms 430 arrives described dead-centre position, this postive stop baffle 70 is rotated further for stoping described second hinge arms 430, thus can prevent described first hinge arms 420 and described second hinge arms 430 from crossing described dead-centre position and producing the situation of unstability, ensure the reliability of described lithium ion battery pressue device.
Described pressue device also can comprise angle bar 80 further.Described pressing plate 30 can be hinged with described second hinge arms 430 by this angle bar 80.Described angle bar 80 comprises two one-body molded and orthogonal side plates, one of them side plate superposes with described pressing plate 30 and arranges and be fixedly connected with described pressing plate 30, and another side plate is arranged perpendicular to described pressing plate 30 and hinged with described second hinge arms 430 by described 3rd bearing pin 460.Superpose the side plate arranged to be fixedly connected with by described bolt 480 with described pressing plate 30 with described pressing plate 30.Described postive stop baffle 70 can be arranged on this angle bar 80 with on the vertically disposed side plate of described pressing plate 30.Preferably, described postive stop baffle 70 can be welded on described angle bar 80 with on the vertically disposed side plate of described pressing plate 30.
Quantity and the setting position of this hinge means 40 are not limit, as long as this pressing plate 30 and this base plate 10 interval can be made to arrange, and can drive this pressing plate 30 near or away from this base plate 10.When the quantity of this hinge means 40 is 1, this hinge means 40 can be arranged on 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, with drive described pressing plate 30 symmetrically near or away from described base plate 10.In the present embodiment, the quantity of this hinge means 40 is four, these four hinge meanss 40 carry out four hinged pin joints with this pressing plate 30 and form a parallelogram, these four hinge meanss can drive this pressing plate 30 symmetrically near or away from described base plate 10, and these four hinge meanss can exert a force to described pressing plate 30 equably, thus to this battery cell 50 stressed compression equably.These four hinge meanss 40 are divided into two groups, and often group comprises two hinge meanss 40 coaxially arranged, and hinge means 40 disalignment between group and group is arranged.Described coaxial setting refers to that the rotation axis of two described hinge meanss 40 is identical.These four hinge meanss 40 share two handles 470, and every one handle 470 is fixedly connected with the first hinge arms 420 of two coaxial hinge meanss 40 arranged simultaneously, rotates for driving these two hinge meanss 40 simultaneously.Particularly, this handle 470 comprises tie-beam 472 and a control handle 474, and the two ends of this tie-beam 472 length direction are fixedly connected with the first hinge arms 420 of a hinge means 40 respectively, and this control handle 474 is fixedly connected with the middle part of this tie-beam 472.This control handle 474 can be one-body molded with this tie-beam 472, and this tie-beam 472 is fixedly connected with the first hinge arms 420 by bolt.When practical application, two hands of people can operate this two control handles 474 simultaneously, and these two tie-beams 472 are rotated simultaneously, thus drive these four hinge meanss 40 to rotate simultaneously, make this pressing plate 30 symmetrically away from or near described base plate 10.
Lithium ion battery pressue device of the present invention, can pressurize to battery cell in battery cell formation process, can effectively solve the problem that in battery cell formation process, air entrapment gathers, can prevent battery cell from formation process, occurring expansion, deformation, interior quality and the face shaping of battery cell can be improved; This pressue device utilize mechanical dead point principle and design a kind of can fast clamp, the structure opened fast, easy to use and regulate, be swift in motion reliable, be conducive to operating personnel to operate, reduce the auxiliary used time, accelerating carries out pressurizeing to battery in Battery formation technique clamps added operation process, improves production efficiency; The structure of this pressue device is simple, is suitable for processing and manufacturing in enormous quantities.
Lithium ion battery pressue device of the present invention, its dead-centre position is determined by the postive stop baffle be 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, ensures the reliability of this pressue device.
Lithium ion battery pressue device of the present invention, flexible member is used to connect this hinge means and this fixed frame, deformation can be there is and to expand the varied in thickness caused with the varied in thickness adapting to different battery cell and produce because of foozle and same battery cell pole plate when changing in this flexible member, its this flexible member can ensure the effective compression of pressing plate to battery cell, can ensure interior quality and the face shaping of battery cell in battery cell chemical synthesis technology process.
In addition, in battery cell charge and discharge process, if apply 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 also can be used for the pressurization in battery cell charge-discharge test process.
In addition, those skilled in the art can also do other change in spirit of the present invention, and certainly, these changes done according to the present invention's spirit, all should be included within the present invention's scope required for protection.
Claims (13)
1. a lithium ion battery pressue device, it is characterized in that, comprise: base plate, fixed frame, pressing plate and hinge means, the relative position of this fixed frame and this base plate is fixed, this pressing plate is connected with this fixed frame by this hinge means, this hinge means makes this pressing plate and this base plate interval arrange, and has an accommodation space for holding battery cell between this pressing plate and this base plate;
This hinge means comprises 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 by described first bearing pin and described hinge seat hinged, described second hinge arms by described second bearing pin and described first hinge arms hinged, described second hinge arms by described 3rd bearing pin and described pressing plate hinged, described handle is fixedly connected with described first hinge arms, this handle rotates for driving described first hinge arms, thus make described first hinge arms drive described second hinge arms to rotate, and then drive described pressing plate near or away from described base plate,
This hinge means has a dead-centre position, this dead-centre position is the position that described first hinge arms and described second hinge arms turn to when making described first bearing pin, described second bearing pin and described 3rd bearing pin be in same straight line, when described first hinge arms and described second hinge arms arrive described dead-centre position under the drive of described handle, the described battery cell be placed between described pressing plate and described base plate is compacted.
2. lithium ion battery pressue device as claimed in claim 1, it is characterized in that, described base plate and described pressing plate parallel interval are arranged.
3. lithium ion battery pressue device as claimed in claim 1, it is characterized in that, described fixed frame has the first through hole on a direction X, described direction X is the direction along described thickness of compressive plate towards described base plate, described hinge seat comprises and coaxially arranging and the first linkage section connected successively and the second linkage section along described direction X, described first linkage section runs through described first through hole and can slide along described direction X in described first through hole, described first linkage section is fixedly connected with a pad in the side of described first through hole away from described pressing plate, this hinge seat is stuck in this fixed frame on away from the side of this pressing plate by this pad at this first through hole, described second linkage section is positioned at the side of described first through hole towards described pressing plate, this hinge seat is stuck in this fixed frame on towards the side of this pressing plate by this second linkage section at this first through hole, and make this fixed frame apply one along the pressure of described direction X by this second linkage section to this hinge means and this pressing plate, thus this battery cell is compressed.
4. lithium ion battery pressue device as claimed in claim 3, it is characterized in that, described hinge seat comprises flexible member further, this flexible member is arranged between described second linkage section and described fixed frame along described direction X, when described first hinge arms and described second hinge arms are in dead-centre position, this flexible member is in compressive state, and to the pressure that described hinge seat provides one to press to described pressing plate, to ensure the effective compression of described pressing plate to described battery cell.
5. lithium ion battery pressue device as claimed in claim 4, it is characterized in that, when described first hinge arms and described second hinge arms are in dead-centre position, described flexible member is not in the elastic compression limit, also can elastic compression further.
6. lithium ion battery pressue device as claimed in claim 5, it is characterized in that, stating flexible member is butterfly spring, this butterfly spring is enclosed within described first linkage section, this butterfly spring has relative first end and the second end along its deformation direction, described second linkage section forms the step surface of a described pressing plate dorsad in the place be connected with described first linkage section, the first end of this butterfly spring contact with described step surface, the second end of this butterfly spring contacts with described fixed frame.
7. lithium ion battery pressue device as claimed in claim 3, it is characterized in that, described fixed frame has the second through hole coaxially arranged with described first through hole on described direction X, this second through hole is positioned at the side of this first through hole towards described pressing plate, and this second linkage section penetrates this second through hole and can slide along described direction X in this second through hole.
8. lithium ion battery pressue device as claimed in claim 7, it is characterized in that, described first linkage section all adopts the mode of small―gap suture hole axle to coordinate with described first through hole and described second linkage section with described second through hole.
9. lithium ion battery pressue device as claimed in claim 1, it is characterized in that, described fixed frame comprises fixed mount and multiple supporter, the plurality of supporter is used for supporting, fixing and fixed mount and described base plate described in interval, the two ends of this supporter are fixedly connected with described fixed mount with described base plate respectively, and described hinge means is connected with this fixed mount.
10. lithium ion battery pressue device as claimed in claim 1, it is characterized in that, described pressue device comprises a postive stop baffle further, this postive stop baffle is positioned in the rotary motion trace of described second hinge arms, when described second hinge arms arrives described dead-centre position, this postive stop baffle can stop described second hinge arms to be rotated further.
11. lithium ion battery pressue devices as claimed in claim 1, it is characterized in that, described pressue device comprises an angle bar further, described pressing plate by this angle bar and described second hinge arms hinged, described angle bar comprises two one-body molded and orthogonal side plates, one of them side plate superposes with described pressing plate and arranges and be fixedly connected with, another side plate arrange perpendicular to described pressing plate and by described 3rd bearing pin and described second hinge arms hinged.
12. lithium ion battery pressue devices as claimed in claim 1, it is characterized in that, the quantity of this hinge means is four, these four hinge meanss and this pressing plate carry out four hinged pin joints and form a parallelogram, these four hinge meanss are divided into two groups, often group comprises two hinge meanss coaxially arranged, and the hinge means disalignment between group and group is arranged.
13. lithium ion battery pressue devices as claimed in claim 12, it is characterized in that, these four hinge meanss share two handles, and every one handle is fixedly connected with the first hinge arms of two coaxial hinge meanss arranged simultaneously, rotates for driving these two hinge meanss 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 true CN104347899A (en) | 2015-02-11 |
| CN104347899B CN104347899B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410557040.6A Active CN104347899B (en) | 2014-10-20 | 2014-10-20 | Lithium ion battery pressue device |
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| CN (1) | CN104347899B (en) |
| WO (1) | WO2016062195A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062195A1 (en) * | 2014-10-20 | 2016-04-28 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery pressing apparatus |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107895816A (en) * | 2017-11-30 | 2018-04-10 | 中航锂电（江苏）有限公司 | lithium battery module assembly 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 |
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| 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 |
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| 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 |
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| 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 |
| 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 |
| 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 |
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| 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 |
| 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 |
| CN103969119A (en) * | 2014-05-26 | 2014-08-06 | 吉林大学 | Clamping device of tensile testing machine suitable for plate-shaped samples |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016062195A1 (en) * | 2014-10-20 | 2016-04-28 | 江苏华东锂电技术研究院有限公司 | Lithium ion battery pressing apparatus |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016062195A1 (en) | 2016-04-28 |
| CN104347899B (en) | 2016-11-23 |
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