CN207587868U - Battery core apparatus for shaping - Google Patents
Battery core apparatus for shaping Download PDFInfo
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- CN207587868U CN207587868U CN201721855462.7U CN201721855462U CN207587868U CN 207587868 U CN207587868 U CN 207587868U CN 201721855462 U CN201721855462 U CN 201721855462U CN 207587868 U CN207587868 U CN 207587868U
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- 238000007493 shaping process Methods 0.000 title claims abstract description 302
- 230000007246 mechanism Effects 0.000 claims abstract description 114
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 52
- 239000004033 plastic Substances 0.000 claims description 32
- 229920003023 plastic Polymers 0.000 claims description 32
- 230000014759 maintenance of location Effects 0.000 claims description 27
- 238000012360 testing method Methods 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 18
- 230000001464 adherent effect Effects 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000002407 reforming Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- 238000007731 hot pressing Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical class OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 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
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 230000003319 supportive effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 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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Abstract
This application involves battery core apparatus for shaping.The battery core apparatus for shaping includes matrix, multiple shaping modules, linkage mechanism and driving mechanism;Wherein, each shaping module is arranged successively along shaping direction, and the linkage mechanism is connect with each shaping module, and the driving mechanism is connect with the linkage mechanism or the shaping module, so that each shaping module generates synchronous compressional movement.In the program, since battery core apparatus for shaping has multiple shaping stations, the shaping simultaneously of multiple battery cores can be realized, which improves the space availability ratio of battery and improve the shaping efficiency of battery core.
Description
Technical field
This application involves energy storage device processing technique field more particularly to a kind of battery core apparatus for shaping.
Background technology
With the development of modern society, various smart machines (mobile phone, laptop, tablet, electric vehicle etc.) there has been
It is widely applied.At the same time, demand of the client to heavy-duty battery is also higher and higher.By taking lithium battery as an example, due to lithium battery
The advantages such as energy density height, service life length, green non-pollution, security performance height be widely used in consumer electronics product and
Electric vehicle field.
For battery, the space availability ratio of bigger how is realized, be always the important goal of battery structure design, be
The important factor in order of battery energy density can be improved.
Utility model content
This application provides a kind of battery core apparatus for shaping, can promote the space availability ratio of battery, while improve battery core
Shaping efficiency.
This application provides a kind of battery core apparatus for shaping, including:
Matrix;
Multiple shaping modules;
Linkage mechanism;
Driving mechanism;
Wherein, each shaping module is arranged successively along shaping direction, the linkage mechanism and each shaping module
Connection,
The driving mechanism is connect with the linkage mechanism or the shaping module, so that each shaping module generates
Synchronous compressional movement.
Optionally, the driving mechanism is connect with the shaping module,
The linkage mechanism includes multiple parallel four-bar linkages arranged successively along the shaping direction, each described flat
Row four-bar mechanism is connect respectively with two adjacent shaping modules,
The two neighboring parallel four-bar linkage is articulated with same articulated shaft, and is articulated with four companies of same articulated shaft
Bar is arranged to integral structure two-by-two.
Optionally, the driving mechanism includes power output portion and drive connection portion,
The both ends in the drive connection portion are connect respectively with the shaping module, between intermediate position and the shaping module
It is spaced,
The output shaft in the power output portion is inserted in along the shaping direction in the interval, and the end of the output shaft
End is with the limiting structure that the output shaft is prevented to be separated with the drive connection portion.
Optionally, pressure sensor is further included, the pressure sensor is set to the shaping module, in the shaping row
Cheng Zhong, the limiting structure and the pressure sensor contacts.
Optionally, plastic precision retention groove rail mechanism is further included, the plastic precision retention groove rail mechanism corresponds to each institute
Shaping module is stated to be arranged alternately on the shaping direction.
Optionally, the plastic precision retention groove rail mechanism includes sliding rail and groove portion, and the sliding rail and the groove portion are along institute
Shaping direction to be stated to be slidably matched, the sliding rail is connect with described matrix, and the groove portion is connect with the shaping module,
The groove portion and the length of fit of the sliding rail are 1/2 times of maximum length of the shaping module on this direction
~1 times.
Optionally, the plastic precision retention groove rail mechanism is set as two groups, and is distributed in the shaping module
Two opposite sides.
Optionally, the shaping module includes shaping pressing plate, and vacuum breaker stomata is offered on the shaping pressing plate.
Optionally, the shaping pressing plate is hot shaping pressing plate, and corresponding each shaping station is arranged in pairs.
Optionally, the outer surface of the shaping pressing plate is provided with insulation adherent layer.
Optionally, side shaping module is further included, the side shaping module generates synchronous compressional movement, institute along side shaping direction
It is different from the shaping direction to state side shaping direction.
Optionally, insulation testing mechanism is further included, the insulation testing mechanism includes two test contacts,
The insulation testing mechanism is connect with the shaping module, so that described two test contacts are in the sizing die
It is contacted respectively with the anode ear of battery core with negative electrode lug in the shaping stroke of group.
Optionally, lockable mechanism is further included, the lockable mechanism is arranged to be in inoperative in the battery core apparatus for shaping
Coordinate locking with the linkage mechanism during state,
The lockable mechanism includes closing piece, and the linkage mechanism includes the link mechanism hingedly formed by more connecting rods, respectively
The connecting rod is included across the hinged end of articulated shaft, and the closing piece coordinates with hinged end limiting.
The technical solution that the application provides can reach following advantageous effect:
This application provides a kind of battery core apparatus for shaping, wherein, multiple shaping modules are arranged successively along shaping direction, are being driven
Under the drive of motivation structure, linkage mechanism guides each shaping module to generate synchronous compressional movement, since battery core apparatus for shaping is with more
A shaping station can realize the shaping simultaneously of multiple battery cores, on the one hand improve the space availability ratio of battery, on the other hand improve
The shaping efficiency of battery core.
It should be understood that above general description and following detailed description is only exemplary, this can not be limited
Application.
Description of the drawings
Fig. 1 is the schematic diagram of battery core apparatus for shaping provided by the embodiments of the present application;
Fig. 2 is the rearview of battery core apparatus for shaping provided by the embodiments of the present application;
Fig. 3 is the front view of battery core apparatus for shaping provided by the embodiments of the present application;
Fig. 4 is the front view of battery core apparatus for shaping provided by the embodiments of the present application;
Fig. 5 is the schematic diagram of shaping module provided by the embodiments of the present application;
Fig. 6 is the decomposition view of insulation testing mechanism provided by the embodiments of the present application;
Fig. 7 is the schematic diagram of insulation testing mechanism provided by the embodiments of the present application;
Fig. 8 is the schematic diagram of lockable mechanism provided by the embodiments of the present application.
Reference numeral:
1- matrixes;
100- pedestals;
102- supporting racks;
102a- through-holes;
102aa- inner walls;
102ab- inner walls;
2- shaping modules;
200- module pedestals;
202- shaping pressing plates;
202a- vacuum breaker stomatas;
204- connecting plates;
3- linkage mechanisms;
300- parallel four-bar linkages;
300a- articulated shafts;
300b- connecting rods;
300c- connecting rods;
300d- connecting rods;
300e- connecting rods;
300bd- unitary links;
300ce- unitary links;4- driving mechanisms;
400- power outputs portion;
400a- output shafts;
400b- limiting structures;
402- drive connections portion;
5- pressure sensors;
6- plastic precision retention groove rail mechanisms;
600- sliding rails;
602- groove portions;
8- sides shaping module;
800- sides shaping pressing plate;
802- drive components;
804- the linear guides;
10- insulation testing mechanisms;
1002- test contacts;
10020- guide rods;
10022- compression springs;
10024- collets;
10026- contacts;
10028- linear bearings;
1004- cylinders;
1006- clamp rings;
1008- fixing pieces;
12- lockable mechanisms;
1202- closing pieces;
1202a- grooves;
1204- cylinders;
1206- sliding rails.
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the application
Example, and for explaining the principle of the application together with specification.
Specific embodiment
The application is described in further detail below by specific embodiment and with reference to attached drawing.
It should be noted that the nouns of locality such as the embodiment of the present application described " on ", " under ", "left", "right" are with attached drawing
Shown angle should not be construed as the restriction to the embodiment of the present application come what is be described.In addition, within a context, it is also necessary to
Understand, when mentioning an element and being connected to another element " on " or " under ", can not only be connected directly between another
One element " on " either " under " can also be indirectly coupled to by intermediary element another element " on " or " under.
This application provides a kind of battery core apparatus for shaping, which can provide extruding force to battery core, to eliminate electricity
The redundancy gap of core inner, so as to reduce the occupied space of battery core, so as to promote the energy density of battery.
Specifically, as shown in Figure 1 to Figure 2, battery core apparatus for shaping include matrix 1, multiple shaping modules 2, linkage mechanism 3 with
And driving mechanism 4.Wherein, matrix 1 is used as supportive body, can be that sizing die group 2, linkage mechanism 3 and driving mechanism 4 etc. carry
For installation foundation or support.
Matrix 1 includes pedestal 100 and stands on two supporting racks 102 on the pedestal 100, each supporting rack 102 by
A pair of of C-shaped stent is spliced, the opening of C-shaped stent toward each other, the supporting rack 102 being spliced at central part there are
Through-hole 102a, two supporting racks 102 are arranged in parallel, and be spaced a predetermined distance between the two on pedestal 100.It should be understood that
The shape and structure of matrix 1 are not limited only to this.
Multiple shaping modules 2 are set in the space that two supporting racks 102 interval is formed, and along the shaping direction (Z in Fig. 1
To) arrange successively, one is respectively formed between two neighboring shaping module 2 for squeezing the shaping station of battery core.It is readily comprehensible,
The quantity of shaping module 2 is more, and shaping station increases therewith, while the quantity for the battery core being shaped is also more, so,
In the case that battery core apparatus for shaping occupies similary area, the shaping operation to multiple battery cores can be realized simultaneously, improves battery
Space availability ratio and the shaping efficiency for greatly improving battery core.
In the present embodiment, the quantity of shaping module 2 is five, so that there are four shaping works for battery core apparatus for shaping tool
Position, four battery cores can be carried out at the same time shaping, and still, the quantity of shaping module 2 is not limited only to this, can be done according to actual conditions
Go out to reasonably select.
Each shaping module 2 is connect respectively with linkage mechanism 3, and driving mechanism 4 is connect with shaping module 2, passes through gear
The linkage function of structure 3 can cause each shaping module 2 to generate synchronous compressional movement.
" synchronous compressional movement " mentioned here not refers to the synchronization on timing node, and refers to each shaping module 2
Linkage under the drive of driving mechanism 4.
In multiple shaping modules 2, the shaping module 2 positioned at the bottom can be kept being relatively fixed with matrix 1, that is,
It says, which is fixedly connected with matrix 1 (such as supporting rack 102), and in reforming process, shaping module 2 remains not
Dynamic, the tie point of linkage mechanism 3 and the shaping module 2 can be as the lower end fixed point of linkage mechanism 3.
Other each shaping modules 2 above the shaping module 2 of bottommost are under the guiding of linkage mechanism 3 along shaping side
It is moved to opposite matrix 1.When each shaping module 2 of activity setting reaches the respectively lower dead center of the stroke along shaping direction, electricity
Core is kept for the predetermined time by the extruding force of the shaping module 2 from two opposite sides under this extruding force, you can to realize to electricity
The shaping operation of core.
When battery core shaping, 4 output driving power of driving mechanism, the drive force shaping module 2 moves downward, at this point,
Linkage mechanism 3 is converted to motion state by stationary state, and each shaping module 2 is guided to generate synchronous compressional movement, is transported squeezing
In dynamic, the battery core being placed on each shaping station can be squeezed power, and be shaped simultaneously simultaneously.
It should be noted that for the shaping operation of battery core is mainly for square electric cell, square electric cell is there are six side, two
Two is opposite, and in addition to a pair of of the side for having lug to stretch out, other two pairs of sides can be by battery core apparatus for shaping shaping, to eliminate
Redundancy gap inside battery core.Above-described each shaping module 2 can carry out shaping, example to the one pair of which side of battery core
Such as, along the two relative side of battery core thickness direction.
As shown in Fig. 2, linkage mechanism 3 includes the parallel―ordinal shift machine between being connected to per two adjacent shaping modules 2
Structure 300, two articulated shaft 300a of each parallel four-bar linkage 300 are connect respectively with two adjacent shaping modules 2, and point
Be not formed as tie point, it is each to connect after the completion of each parallel four-bar linkage 300 is connect in a manner described with each shaping module 2
Point is conllinear along shaping direction.
Wherein, in two adjacent parallel four-bar linkages 300, four connecting rods of same articulated shaft 300a are articulated with
300b, 300c, 300d, 300e are arranged to integral structure.Wherein, connecting rod 300b and connecting rod 300d is formed as one formula structure
Connecting rod 300bd, connecting rod 300c and connecting rod 300e are formed as one the connecting rod 300ce of formula structure, at this point, connecting rod 300bd and connecting rod
300ce is arranged in a crossed manner and is hinged respectively in midpoint and articulated shaft.
It should be understood that four hinge joints due to parallel four-bar linkage have set movement locus, transmitted in power
During, parallel four-bar linkage deforms upon, and the angle of two neighboring connecting rod changes, and each tie point then can be in driving force
Under the action of moved along shaping direction until reach precalculated position.
When using above-mentioned linkage mechanism 3, a kind of embodiment can be by the fit tolerance of articulated shaft and the axis hole of connecting rod
What is set is relatively small, can thus cause in the transmission process of linkage mechanism 3, each shaping module 2 can be along shaping
Distance substantially equal is moved in direction, to realize the pattern of each 2 equidistant shaping of shaping module.
It is selectable, can also by the fit tolerance of articulated shaft and the axis hole of connecting rod set it is relatively large, for example, by using
The slightly smaller articulated shaft of diameter, at this point, there are appropriate gaps, in reforming process, articulated shaft and connecting rod between articulated shaft and axis hole
Between can be ignored without active force or active force very little, when top shaping module 2 squeeze top layer battery core when,
The extruding force is only transmitted in each shaping module 2, it is possible thereby to realize the pattern of the isobaric shaping of each shaping module 2.
It should be noted that, although Fig. 2 shows a kind of specific embodiment of linkage mechanism 3, still, linkage mechanism 3 is not
The structure shown in figure 2 above is only limitted to, in some other embodiment, linkage mechanism 3 can also use other changeable types
Scheme, for example, linkage mechanism 3 is using regular hexagon link mechanism etc., but correspondingly, driving mechanism 4, linkage mechanism 3 and
Connection relation between shaping module 2 should also do corresponding modification.
As shown in figures 1 and 3, according to an exemplary embodiment, driving mechanism 4 is installed on the top of matrix 1, that is,
Between two supporting racks 102, driving mechanism 4 includes power output portion 400 and drive connection portion 402, wherein, drive connection portion 402
Both ends connect respectively with the shaping module 2 of top layer, it is spaced between intermediate position and the shaping module 2.
The output shaft 400a in power output portion is inserted in along shaping direction in the interval, and can along shaping direction relative to
402 activity of drive connection portion, the end of output shaft 400a have the limitation that output shaft 400a is prevented to be detached from drive connection portion 402
Structure 400b.
It follows that in power output portion 400 along the down stroke in shaping direction, output shaft 400a pushes shaping module
2 move downward, and are not contacted with drive connection portion 402, and the vibration being transferred to by power output portion 400 in shaping module 2 can quilt
Substantially reduce, be conducive to improve the stability that shaping module 2 moves in reforming process.
Power output portion 400 may be used cylinder or hydraulic cylinder, and in the present embodiment, power output portion 400 is using servo electricity
Cylinder, servo electric cylinders positioning accuracy is high, and output pressure is stablized under closed-loop control system torque mode.
In addition, in order to obtain the concrete numerical value that power output portion 400 is applied to the driving force of shaping module 2, battery core shaping
Device further includes pressure sensor 5, and pressure sensor 5 could be provided as contact pressure sensor, pressure sensor setting
In the shaping module 2 of top layer, for example, being arranged in the gap formed by drive connection portion 402 and shaping module 2, in power
In the down stroke of output section 400, limiting structure 400b is contacted with pressure sensor 5, and drives this via pressure sensor 5
Power is transferred to shaping module 2, at this point, pressure sensor 5 can show the size for the driving force that power output portion 400 is exported.
It is readily comprehensible, shaping module 2 can be caused to shift in movement travel from various vibrations, so as to shadow
The shaping quality of battery core is rung, to overcome this defect, as shown in figure 4, battery core apparatus for shaping further includes plastic precision retention groove trailer
Structure 6, the plastic precision retention groove rail mechanism 6 can reduce offset of the shaping module 2 in movement travel, improve plastic precision.
According to an exemplary embodiment, plastic precision retention groove rail mechanism 6 includes sliding rail 600 and groove portion 602, sliding rail
600 are slidably matched with groove portion 602 along shaping direction, wherein, sliding rail 600 can be connect with matrix 1, and groove portion 602 can be with shaping
Module 2 connects, and vice versa.Sliding rail 600 and groove portion 602 can be arranged to the swallowtail-shaped structure to match.
After setting plastic precision retention groove rail mechanism 6, shaping module 2 can be in sliding rail 600 and the guiding role of groove portion 602
Lower held stationary operation, to be further ensured that the synchronization compressional movement of each shaping module 2 so that each battery core can be born substantially
Size after the shaping of equal extruding force and acquisition same size, to improve the plastic precision of battery core and shaping quality.
Plastic precision retention groove rail mechanism 6 can also be correspondingly arranged with multiple shaping modules 2, that is to say, that each shaping
Module 2 can keep the stationarity of motion process by plastic precision retention groove rail mechanism 6, to reduce offset.Wherein, respectively
Sliding rail 600 in plastic precision retention groove rail mechanism 6 can be arranged to integral structure, extend along shaping direction.
Specifically, please continue to refer to Fig. 1, two plastic precision retention groove rail mechanisms 6 correspond to a shaping module 2,
That is, each shaping module 2 ensures the stability of movement travel by two plastic precision retention groove rail mechanisms 6, and
Two plastic precision retention groove rail mechanisms 6 are distributed in the opposite sides of shaping module 2.This scheme improves each sizing die
2 integrally-built balances of group, avoid leading to battery core shaping defect due to unbalance stress, and stable movement degree further improves, electricity
The plastic precision of core further improves.
The width dimensions (Y-direction in Fig. 1) of sliding rail 600 in each plastic precision retention groove rail mechanism 6 be arranged to
The thickness of supporting rack 102 is roughly the same, and so, connective stability of the sliding rail 600 on supporting rack 102 improves, then
The risk that shaping module 2 shifts in reforming process further reduces.
In addition, please continue to refer to Fig. 4, the groove portion in same plastic precision retention groove rail mechanism 6 includes two sections, and is spaced
Setting, this is arranged on the basis of not influencing stationarity, is reduced the weight of plastic precision retention groove rail mechanism 6, is conducive to
Realize the lightweight of structure.
In same plastic precision retention groove rail mechanism 6, on shaping direction, groove portion 602 and the length of fit of sliding rail 600
It is shaping module 2 at 1/2 times~1 times of the maximum length that this side up.It is readily comprehensible, groove portion 602 and the cooperation of sliding rail 600
Length is longer, then the kinetic stability for being connected to the shaping module 2 of groove portion 602 is higher, correspondingly, the plastic precision of battery core is corresponding
It improves.
Particularly, in order to save each the space occupied on shaping direction of plastic precision retention groove rail mechanism 6, with each shaping
The plastic precision retention groove rail mechanism 6 that module 2 is correspondingly arranged is arranged alternately along shaping direction.
Specifically, sliding rail is set respectively in two opposed inner walls 102aa, 102ab extended in through-hole 102a along shaping direction
600, the sliding rail 600 of homonymy coordinates the groove portion 602 being connect respectively with two adjacent shaping modules 2 respectively and not, that is to say, that
The sliding rail 600 in one of them and left side coordinates, and the sliding rail 600 on another and right side coordinates, to realize reasonable cloth spatially
It puts, so as to reduce overall dimensions of the battery core apparatus for shaping on shaping direction, improves compactedness.It is, of course, also possible to it is interpreted as, phase
More shaping modules 2 can also be accommodated in same space, to realize the shaping simultaneously of more battery cores.
As shown in figure 5, Fig. 5 shows the structure diagram of a shaping module, it herein will be with this embodiment to sizing die
The concrete structure of group is described, and other shaping modules can be designed, and to other shaping modules with reference to this shaping module
Structure repeat no more.
In the embodiment shown in fig. 5, shaping module 2 includes module pedestal 200 and shaping pressing plate 202, wherein, module base
Seat 200 is installation carrier, and shaping pressing plate 202 is installed on module pedestal 200, shaping pressing plate 202 be used in reforming process with
Battery core contacts.
In reforming process, since shaping pressing plate 202 applies very big extruding force to battery core, this can cause battery core and shaping
Vacuum is formed between pressing plate 202, this phenomenon can cause battery core be bonded with shaping pressing plate 202, be not readily disengaged from both after shaping,
It causes blanking difficult, for this phenomenon, vacuum breaker stomata 202a can be offered on shaping pressing plate 202, treat that shaping is completed
Afterwards, can compressed air be inputted between battery core and shaping pressing plate 202 by vacuum breaker stomata 202a, two is formed in so as to break
Vacuum between person, compressed air can be supplied by external air source.
Illustratively, vacuum breaker stomata 202a may be used uniformly distributed mode and be covered with shaping pressing plate 202, but be not limited only to
This.
Selectable, shaping pressing plate 202 can also be arranged to hot shaping pressing plate, and hot shaping pressing plate can be by heating shaping
The mode of pressing plate 202 obtains.In this embodiment, shaping pressing plate 202 has cavity, and heating unit is placed on this such as heating rod
In cavity, when heating unit is powered, you can transfer heat to shaping pressing plate 202.Hot shaping pressing plate can be realized to battery core
Hot pressing shaping, the battery core after hot pressing shaping are not easy to restore deformation, and shaping effect is more preferable.
The cavity of shaping pressing plate 202 can also be connected with external air source simultaneously, to be passed through compressed air into the cavity, and
It is delivered between battery core and shaping pressing plate 202 via vacuum breaker stomata 202a.
Further, each shaping station can be arranged in pairs two hot shaping pressing plates, so, in reforming process,
Two hot shaping pressing plates can transmit heat from two lateral battery cores of battery core respectively, to realize the two-sided hot pressing of battery core, further
Improve shaping effect.
Specifically, each shaping module 2 between bottom and top layer includes two shaping pressing plates 202, it is one of
Shaping pressing plate 202 is fixed on the top of module pedestal 200, another is fixed on the lower section of module pedestal 200.
In addition, when using hot shaping, in order to avoid temperature raising causes shaping pressing plate 202 be bonded with battery core generation, also
Insulation adherent layer can be set on the surface that shaping pressing plate 202 is contacted with battery core.Insulating adherent layer can be (poly- to benzene two by PET
Formic acid class plastics) or PP (polypropylene) be made.In the present embodiment, insulation adherent layer be made of ceramic material, ceramic material with
The mode of plating is formed in the outer surface of shaping pressing plate 202.On the one hand, ceramic plated layer high temperature resistant is suitble under hot Training system
It uses;On the other hand, the flatness of ceramic plated layer is relatively low, while can prevent from generating between shaping pressing plate 202 and battery core larger
Bonding force.
Shaping module 2 further includes connecting plate 204, and connecting plate 204 is connect with module pedestal 200, and is connect with groove portion 602,
Connecting plate 204 is set as two, corresponding with the quantity of plastic precision retention groove rail mechanism 6.
Connecting plate 204 is more than connecting plate 204 far from slot with length dimension of the one end that groove portion 602 is connected on shaping direction
The size of 602 other end of portion increases the connection area of connecting plate 204 and groove portion 602 with this, increases bonding strength.
In view of this shape of connecting plate 204, the plastic precision retention groove rail mechanism 6 being correspondingly arranged with each shaping module 2
It is arranged alternately along shaping direction, then more highlights the space on shaping direction and obtain saving this effect.
For the shaping module 2 of multiple hierarchal arrangements, height is higher, and the stability of vibration is poorer, therefore, reduces electricity
The whole height of core apparatus for shaping can significantly improve the stability in reforming process, improve the shaping quality of battery core.
For square electric cell, can shaping, above-mentioned sizing die be carried out to battery core in two directions
Group 2 can realize battery core thickness direction shaping, and the battery core apparatus for shaping that the application provides further includes side shaping module 8, side shaping
Module 8 can then generate synchronous compressional movement, and the side shaping direction and shaping side along side shaping direction (X-direction in Fig. 5)
To difference.It follows that shaping module 2 and side shaping module 8 can synchronous extruding battery core from different directions, to realize jointly pair
The shaping of square electric cell.
Side shaping module 8 includes two parts for being oppositely arranged, include per part the side shaping pressing plate 800 being sequentially connected and
Drive component 802, wherein, for being contacted with battery core, drive component 802 is used to drive side shaping pressing plate 800 side shaping pressing plate 800
Generate extruding action.
Illustratively, drive component 802 includes motor and ball screw framework, and the two is sequentially connected by shaft coupling,
In, drive component 802 is installed on module pedestal 200.It should be appreciated that the embodiment of drive component 802 is not limited only to this.
Side shaping module 8 further includes the linear guide 804, and the linear guide 804 is set to module pedestal 200, and with side shaping
Pressing plate 800 is slidably matched, offset when being moved with constrained side shaping pressing plate 800.
Side shaping pressing plate 800 can be also configured to heating platen, so as to fulfill the hot pressing to battery core, side shaping pressing plate 800
Structure can also be configured with reference to the structure of shaping pressing plate 202, and details are not described herein again.
Shaping module 2 or side shaping module 8 can also include Material Sensor, pressure sensor and temperature sensor
Deng whether Material Sensor can detect shaping station battery core, and pressure sensor can obtain shaping pressing plate 202 and side is whole
The pressure that shape pressing plate 800 applies to battery core, temperature sensor can obtain the temperature of heating unit.
In addition, shaping pressing plate 202 and side shaping pressing plate 800 can also select high intensity, anti-deformation metal material, with
It improves the intensity of shaping pressing plate 202 and side shaping pressing plate 800 and prolongs the service life.
As shown in Figure 3 and Figure 6, battery core apparatus for shaping further includes insulation testing mechanism 10, and insulation testing mechanism 10 is for whole
The internal resistance value of battery core is detected during shape, can determine whether by internal resistance value inside battery core whether short circuit, it is bad so as to reject
Product.
Insulation testing mechanism 10 is set to shaping module 2, is specifically set to module pedestal 200, is touched including two tests
First 1002, two test contacts 1002 can be realized by connecting wire to be electrically connected, in the shaping stroke of shaping module 2, two
A test contact 1002 contacts respectively with the anode ear of battery core with negative electrode lug.
According to an exemplary embodiment, insulation testing mechanism 10 further includes cylinder 1004, and the driving of cylinder 1,004 two is surveyed
It is flexible to try the realization of contact 1002, test contact 1002 can be contacted when stretching out with the anode ear of battery core with negative electrode lug respectively.
Test contact 1002 includes guide rod 10020, the compression spring 10022 for being sleeved on the outside of guide rod 10020 and successively
The collets 10024 of 10020 lower end of guide rod and contact 10026 are connected to, guide rod 10020 passes through linear bearing 10028
The telescopic end of cylinder 1004 is connected to, the upper end is locked by clamp ring 1006, and the overall structure after installation can be found in Fig. 7.
When the telescopic end of cylinder 1004 stretches out, compression spring 10022 deforms upon so that test contact 1002 reliably with just
Lug and negative electrode lug keep contact.
Insulation testing mechanism 10 is provided with multiple, and each shaping station is equipped with an insulation testing mechanism 10, and respectively
It is fixed on module pedestal 200 by fixing piece 1008.
As shown in Figure 2 and Figure 8, in order to improve the safety of operation, battery core apparatus for shaping further includes lockable mechanism 12, locking
Coordinate locking with linkage mechanism 3 when mechanism 12 is in off working state for battery core apparatus for shaping so that each shaping module 2 with
Matrix 1 keeps opposing stationary.
According to an exemplary embodiment, lockable mechanism 12 includes closing piece 1202, cylinder 1204 and sliding rail 1206,
In, cylinder 1204 is sequentially connected with closing piece 1202, and the two is arranged on sliding rail, and cylinder 1204 is fixed with sliding rail 1206 to be connected
Connect, closing piece 1202 is slidably connected with sliding rail 1206, and sliding rail 1206 is fixed on pedestal 100, when cylinder 1204 telescopic rod stretch out,
Closing piece 1202 can be moved along sliding rail 1206 towards the side close to linkage mechanism 3.
It please refers to Fig.2, for the linkage mechanism 3 using link mechanism, including more connecting rods, each connecting rod is hinged successively,
Each connecting rod includes the hinged end passed through for articulated shaft, and in order to ensure the reliability of locking, closing piece 1202 can be limited with hinged end
Position cooperation.
In the present embodiment, two hinged ends of closing piece 1202 and a connecting rod limit cooperation simultaneously, so as to limit the company
All degree of freedom of bar so that lockable mechanism 12 is relatively reliable to the locking of linkage mechanism 3.
Specifically, closing piece 1202 opens up fluted 1202a, and the shape of groove 1202a and the shape of hinged end match, and two
When person coordinates locking, hinged end is contained in groove 1202a.
In the embodiment shown in Figure 2, the hinged end of each connecting rod is disposed as arc tips, correspondingly, the two of groove 1202a
End is set as arc groove, and for rectangular hinged end, the processing technology of arc groove is more preferable.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this field
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (13)
1. a kind of battery core apparatus for shaping, which is characterized in that including:
Matrix;
Multiple shaping modules;
Linkage mechanism;
Driving mechanism;
Wherein, each shaping module is arranged successively along shaping direction, and the linkage mechanism is connect with each shaping module,
The driving mechanism is connect with the linkage mechanism or the shaping module, so that each shaping module generates synchronization
Compressional movement.
2. battery core apparatus for shaping according to claim 1, which is characterized in that the driving mechanism connects with the shaping module
It connects,
The linkage mechanism includes multiple parallel four-bar linkages arranged successively along the shaping direction, and each described parallel four
Link mechanism is connect respectively with two adjacent shaping modules,
The two neighboring parallel four-bar linkage is articulated with same articulated shaft, and is articulated with four connecting rods two of same articulated shaft
Two are arranged to integral structure.
3. battery core apparatus for shaping according to claim 1, which is characterized in that the driving mechanism include power output portion and
Drive connection portion,
The both ends in the drive connection portion are connect respectively with the shaping module, between intermediate position and the shaping module there are
Interval,
The output shaft in the power output portion is inserted in along the shaping direction in the interval, and the output the tip of the axis tool
There is the limiting structure that the output shaft is prevented to be separated with the drive connection portion.
4. battery core apparatus for shaping according to claim 3, which is characterized in that further include pressure sensor, the pressure passes
Sensor is set to the shaping module, in the shaping stroke, the limiting structure and the pressure sensor contacts.
5. battery core apparatus for shaping according to claim 1, which is characterized in that plastic precision retention groove rail mechanism is further included,
The plastic precision retention groove rail mechanism corresponds to each shaping module and is arranged alternately on the shaping direction.
6. battery core apparatus for shaping according to claim 5, which is characterized in that the plastic precision retention groove rail mechanism includes
Sliding rail and groove portion, the sliding rail are slidably matched with the groove portion along the shaping direction, and the sliding rail is connect with described matrix, institute
Groove portion is stated to connect with the shaping module,
The groove portion and the length of fit of the sliding rail are 1/2 times~the 1 of maximum length of the shaping module on this direction
Times.
7. battery core apparatus for shaping according to claim 5, which is characterized in that the plastic precision retention groove rail mechanism setting
It is two groups, and is distributed in the two opposite sides of the shaping module.
8. battery core apparatus for shaping according to claim 1, which is characterized in that the shaping module includes shaping pressing plate, institute
It states and vacuum breaker stomata is offered on shaping pressing plate.
9. battery core apparatus for shaping according to claim 8, which is characterized in that the shaping pressing plate is hot shaping pressing plate, and
Corresponding each shaping station is arranged in pairs.
10. battery core apparatus for shaping according to claim 8, which is characterized in that the outer surface of the shaping pressing plate is provided with
Insulate adherent layer.
11. battery core apparatus for shaping according to claim 1, which is characterized in that further include side shaping module, the side shaping
Module generates synchronous compressional movement along side shaping direction, and the side shaping direction is different from the shaping direction.
12. battery core apparatus for shaping according to claim 1, which is characterized in that further include insulation testing mechanism, the insulation
Mechanism for testing includes two test contacts,
The insulation testing mechanism is connect with the shaping module, so that described two test contacts are in the shaping module
Anode ear in shaping stroke respectively with battery core is contacted with negative electrode lug.
13. battery core apparatus for shaping according to claim 1, which is characterized in that further include lockable mechanism, the lockable mechanism
It is arranged to coordinate locking with the linkage mechanism when the battery core apparatus for shaping is in off working state,
The lockable mechanism includes closing piece, and the linkage mechanism includes the link mechanism hingedly formed by more connecting rods, each described
Connecting rod is included across the hinged end of articulated shaft, and the closing piece coordinates with hinged end limiting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721855462.7U CN207587868U (en) | 2017-12-26 | 2017-12-26 | Battery core apparatus for shaping |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721855462.7U CN207587868U (en) | 2017-12-26 | 2017-12-26 | Battery core apparatus for shaping |
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Family
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109962280A (en) * | 2017-12-26 | 2019-07-02 | 宁德时代新能源科技股份有限公司 | Battery cell shaping device |
CN110061295A (en) * | 2019-03-29 | 2019-07-26 | 朱秀平 | A kind of lithium battery thickness apparatus for shaping of new-energy automobile |
-
2017
- 2017-12-26 CN CN201721855462.7U patent/CN207587868U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109962280A (en) * | 2017-12-26 | 2019-07-02 | 宁德时代新能源科技股份有限公司 | Battery cell shaping device |
CN109962280B (en) * | 2017-12-26 | 2024-06-18 | 宁德时代新能源科技股份有限公司 | Battery cell shaping device |
CN110061295A (en) * | 2019-03-29 | 2019-07-26 | 朱秀平 | A kind of lithium battery thickness apparatus for shaping of new-energy automobile |
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