CN105762419B - A kind of manufacture device of takeup type laminated batteries monomer electrode assembly - Google Patents
A kind of manufacture device of takeup type laminated batteries monomer electrode assembly Download PDFInfo
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- CN105762419B CN105762419B CN201610301212.2A CN201610301212A CN105762419B CN 105762419 B CN105762419 B CN 105762419B CN 201610301212 A CN201610301212 A CN 201610301212A CN 105762419 B CN105762419 B CN 105762419B
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- adhesivity
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- 239000000178 monomer Substances 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000007731 hot pressing Methods 0.000 claims abstract description 110
- 239000012528 membrane Substances 0.000 claims abstract description 90
- 230000002146 bilateral effect Effects 0.000 claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 65
- 238000005520 cutting process Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 44
- 238000010422 painting Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 26
- 238000000034 method Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- 229910052744 lithium Inorganic materials 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
-
- 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
Abstract
The present invention relates to a kind of manufacture device of takeup type laminated batteries monomer electrode assembly, including be used to extracting pole piece or monomer electrode assembly from feed tank and be bonded in bilateral apply adhesivity membrane both sides feed mechanism, for bilateral to be made to apply adhesivity membrane keep certain tension and it is made to keep the tension mechanism of intermittent movement, apply adhesivity membrane so that the cutting mechanism that itself and the monomer electrode assembly newly formed depart from for the hot pressing mechanism that applies heat and power load to the surface of pole piece or monomer electrode assembly and for cutting off bilateral after the completion of hot pressing.The present invention can realize that pole piece or the accurate of monomer electrode assembly bond, connect hot pressing, drastically increase battery quality.
Description
Technical field
The present invention relates to takeup type laminated batteries technical fields, and in particular to a kind of takeup type laminated batteries monomer electrode group
The manufacture device of part.
Background technology
With oil crisis and the aggravation of environmental pollution, people gradually turn one's attention to clean energy resource field, have work
Voltage is high, energy density is big, have extended cycle life, environment friendly and pollution-free lithium secondary battery receives much attention, and has been widely used in electricity
The different fields such as brain, mobile phone, electric vehicle, gradually occupy leading position in life.
Secondary cell is mainly made of the electrode assembly with anode pole piece, membrane, cathode pole piece structure, electrode assembly
Wound-type module and stacked component can be divided into.The preparation method of wound-type module is as follows：First electrode active material is uniformly applied
It overlays in the metal foil as collector, by drying, rolls, cuts process and respectively obtain the banding anode with desired width
Pole piece and cathode pole piece are wound in a state that membrane is placed between positive and negative electrode pole piece.Stacked component is first to obtain
The two is isolated to the positive and negative electrode pole piece of specified width, which width and length, and with membrane, i.e., according to anode pole piece/membrane/cathode pole piece
Structure be continuously stacked.
However, there are the following problems for conventional electrodes component：Coiled electrode assemblies, since the section of electrode assembly is circular
Or ellipse, during the charge and discharge of battery, the gap that the expansion and contraction of electrode may result between electrode is uneven, from
And battery performance is caused to decline；Although coiled electrode assemblies are suitable for cylindrical battery, when it applies to angle-style or pouch-type
During battery, be just present with pole piece easily in rupture, electrode active material come off, low space utilization the defects of；The electrode
Component front is inconsistent with the tension of side, and internal-response can be caused uneven；Simultaneously also pole piece compared with it is long, the internal resistance of cell is big,
It is unfavorable for high rate charge-discharge, the shortcomings of specific power is small.Stacked electrode assembly, the preparation process of the electrode assembly is complicated, needs
Plenty of time and energy is wanted to carry out execution sequence stacking process, is not easy to realize mechanized operation, low production efficiency；Pole piece needs to rush
It cuts, the rim charge and section of generation are more, easily pierce through membrane, cause internal short-circuit of battery etc..
To solve the above-mentioned problems, have been developed that a kind of takeup type laminar electrodes component, be Horizontal electrode group
The combination of part and stacked electrode assembly.The preparation process of takeup type laminar electrodes component is as follows：It will be with preliminary dimension
Several anode pole pieces, bilateral apply adhesivity membrane, cathode pole piece is placed on according to sticky membrane between positive and negative electrode pole piece
Hot-pressing processing is carried out under state, obtains monomer electrode assembly；Monomer electrode assembly is placed sequentially in unilateral gluing in order
It is wound on sticky membrane, has just obtained takeup type laminar electrodes component.Takeup type laminar electrodes component is inheriting winding
Formula electrode assembly be easy to mechanized operation and laminar electrodes component internal resistance it is small, beneficial to high rate charge-discharge, size is flexible the advantages of
On the basis of, the defects of both also greatly compensating for.The winding method of takeup type laminar electrodes component is again similar to volume at present
Wound electrode assembly：Coiling fixture clamps first monomer electrode assembly and rotates so that each monomer electrode assembly is by membrane
It realizes and stacks gradually in the state of isolation, the winding until completing a cycle.
However, there are two notable defects for above-mentioned winding method：First, coiling fixture has upper and lower two clamping plates, with every piece of folder
What plate above and below was in contact is the surface of monomer electrode assembly, membrane respectively, since the coefficient of friction between different materials is different,
Every piece of clamping plate frictional force on upper and lower surface in extraction process also differs, and deforms so as to cause core unbalance stress；
When the winding tension of material strip is excessive, the phenomenon that clamping plate is difficult to extract out there is also.2nd, since the tension of material strip is difficult to control,
Ellipse is easily presented in the section that above-mentioned winding method produces core, causes the gap between monomer electrode assembly larger, contact
It is not close.Above-mentioned two notable defect can all cause final deterioration of cell properties.
Therefore, it is badly in need of a kind of takeup type laminated battery that can be overcome above-mentioned various defects simultaneously, promote battery manufacture quality
The manufacture device of pond monomer electrode assembly.
The content of the invention
It is an object of the invention to provide a kind of manufacture device of takeup type laminated batteries monomer electrode assembly, the device energy
Enough realize that pole piece or the accurate of monomer electrode assembly bond, connect hot pressing, continuously to being bonded with pole piece or monomer electrode group
When the bilateral of part applies the progress hot pressing of adhesivity membrane, the proper alignment of pole piece or monomer electrode assembly, Er Qie can be not only realized
While can keeping pole piece or the monomer electrode assembly to be relatively fixed during hot pressing, moreover it is possible to smoothly discharge each pole piece and apply adhesivity with bilateral
Air between membrane, the interior contact for making the monomer electrode assembly formed after hot pressing is closer, even if in long-time service
Still there is good performance afterwards, so as to drastically increase battery quality.
To achieve the above object, present invention employs following technical schemes：
A kind of manufacture device of takeup type laminated batteries monomer electrode assembly, including be used for from feed tank extract pole piece or
Monomer electrode assembly and be bonded in bilateral apply adhesivity membrane both sides feed mechanism, for make bilateral apply adhesivity every
The certain tension of film holding simultaneously makes it keep the tension mechanism of intermittent movement, is applied for the surface to pole piece or monomer electrode assembly
The hot pressing mechanism of heating and power load and adhesivity membrane is applied so that itself and new formation for cutting off bilateral after the completion of hot pressing
Monomer electrode assembly depart from cutting mechanism.
Further, it is described to be used to extract pole piece or monomer electrode assembly from feed tank and be bonded in bilateral gluing
The feed mechanism of the both sides of sticky membrane includes feed tank, the runner being arranged on above feed tank, is arranged on runner and edge turns
Several equally distributed tentacles of wheel circumferencial direction and the sucker for being arranged on tentacle outer end.The feed tank includes babinet, sets
The feed plate putting in babinet and be slidably matched with cabinet wall is opened in casing top adsorption tank and is symmetrically opened in babinet
Two lateral grooves at left and right sides of upper end；Feed bullet is connected between the bottom of the feed plate and feed tank bottom inside wall
Spring；The adsorption tank is communicated with lateral groove.
Further, it is described to be used to that bilateral to be made to apply the certain tension of adhesivity membrane holding and it is made to keep intermittent movement
Tension mechanism includes being symmetricly set on bilateral painting adhesivity the membrane upper tension roller of both sides and lower tension roller up and down, and this
The quantity of force mechanisms is two sets.Tension mechanism in the present invention, for bilateral to be made to apply the tension that adhesivity membrane keeps certain, with
Convenient for the bonding of pole piece or monomer electrode assembly, hot pressing, while it can also be achieved the intermittent movement that bilateral applies adhesivity membrane.
Further, the hot pressing mechanism bag for being used to apply the surface of pole piece or monomer electrode assembly heat and power load
Include heat pressing wheel, the frame and frame that are symmetricly set on the action executing portion at heat pressing wheel axial direction both ends, are set in action executing portion upper end
Hot pressing sliding block that frame is connected, the hot pressing guide rail for being installed through in hot pressing sliding block and being slidably matched with hot pressing sliding block are connected to heat
Press the hot pressing rocking bar on slider side wall and the hot pressing crank being rotatably assorted with hot pressing rocking bar.The heat pressing wheel is equipped with resistance
Silk.Push rod spring is arranged on the mandril, and the upper end of the push rod spring is connected to the bottom of frame, lower end is connected to sole piece
Top.
The action executing portion includes the U-shaped bottom frame that Open Side Down, sequentially passes through from top to bottom at the top of frame and chassis
Mandril, insertion are arranged in chassis and the sole piece being connected with mandril lower end, the support for being connected on sole piece and being rotatably assorted with sole piece
Bar, be rotatably assorted with the lower end of strut and be connected to the support shaft of heat pressing wheel axial end portion, both ends respectively with chassis bottom side of the wall
The guide rod that is rotatably assorted with support shaft is set on guide rod and the guide rod bullet that chassis madial wall is connected with guide rod inner end is distinguished at both ends
Spring.
With moving down for hot pressing sliding block, the resistance wire on heat pressing wheel and heat pressing wheel applies pole piece or monomer electrode assembly
Heat and pressure.
Further, it is described to be used to cut off bilateral painting adhesivity membrane after the completion of hot pressing so that itself and the monomer newly formed
The cutting mechanism that electrode assembly departs from includes the cutting table being arranged below bilateral painting adhesivity membrane and is separately positioned on double
Side applies the cut-off knife and scanning device of adhesivity diaphragm.The monomer electrode assembly formed after hot pressing is through upper tension roller and lower
Power idler wheel is sent to cutting table, and when scanning device can not capture pole piece, cut-off knife can act rapidly, and cut-out bilateral applies adhesivity
Membrane makes monomer electrode assembly apply adhesivity membrane with bilateral and departs from.
The present invention operation principle and the course of work be：
The making of monomer electrode assembly is carried out before, it is necessary to obtain the positive and negative electrode pole piece of predefined size simultaneously using the present invention
It is placed in the feed tank of feed mechanism in certain direction, by bonding, hot pressing, cut after obtain monomer electrode group
Part.Since takeup type laminated batteries monomer electrode assembly of the present invention can apply gluing by several anode pole pieces, bilateral
Property membrane, cathode pole piece hot pressing form, therefore, can be by pole piece/monomer electrode assembly, monomer electrode assembly/monomer electrode group
Part obtains new monomer electrode assembly by apparatus of the present invention again, so as to meet to monomer electrode assembly difference stacking number
Demand.
In feed mechanism, runner rotates, several tentacles, and the end of each tentacle are evenly distributed with along its circumferential direction
End is equipped with sucker and the sucker is in suction condition always；Pole piece or monomer electrode assembly are placed in feed tank, and sucker will
It extracts and is bonded in by means of the rotary motion of runner the one side that bilateral applies adhesivity membrane out, since bilateral applies gluing
Property membrane both sides be required for bonding pole piece or monomer electrode assembly, therefore the present invention needs two sets of feed mechanisms and is located at respectively
Bilateral applies the both sides of adhesivity membrane.Start bond when, in order to ensure pole piece or monomer electrode assembly bilateral apply adhesivity every
The arranged on both sides of film is neat, and the original state of two sets of feed mechanisms will keep identical, and bonding position will be in two sets of tension and roll
Between wheel, i.e., to ensure the pole piece being bonded on bilateral painting adhesivity membrane or monomer electrode assembly only by hot pressing
Tension roller could be passed through after reason.
The present invention also needs two sets of hot pressing mechanisms to complete the hot pressing of pole piece or monomer electrode assembly, and hot pressing mechanism point
Not Wei Yu bilateral apply adhesivity membrane both sides.In hot pressing mechanism, hot pressing crank rotates and hot pressing guide rail keeps complete
Fixed, hot pressing crank promotes hot pressing sliding block to be moved along hot pressing guide rail by hot pressing rocking bar, with moving down for hot pressing sliding block, two sets of heat
The heat pressing wheel of press mechanism moves closer to the slow pole piece or monomer electrode group for squeezing and being bonded in bilateral painting adhesivity membrane both sides of waiting a moment
Part.Often set hot pressing mechanism is equipped with two heat pressing wheels to the present invention, and each heat pressing wheel is the combination of semicylinder and cuboid, this
The existing plane of hot pressing face that sample allows for heat pressing wheel has arc surface again, is squeezed first by plane in pole piece or monomer electrode assembly
Heart district domain, it can be ensured that will not occur both in course of exerting pressure to relatively move and cause to arrange it is at random, with the continuation of hot pressing sliding block
It moves down, strut will drive heat pressing wheel rotation, and arc surface starts to carry out from the center of pole piece or monomer electrode assembly to both sides at this time
Pressure, realizes the smooth discharge of internal gas.
The monomer electrode assembly formed after hot pressing is sent by tension roller to the cutting table of cutting mechanism, is only being scanned
In a state that equipment first captures pole piece information and then message interrupts, cut-off knife can just act so that monomer electrode assembly with it is double
Side, which applies adhesivity membrane and realizes, to be departed from.Monomer electrode assembly after cutting can also be placed in the feed tank of feed mechanism, with
Pole piece or monomer electrode assembly combine carry out hot pressing again, so as to obtain the monomer electrode assembly of different stacking numbers.
The thickness of monomer electrode assembly can increase with the increase of its stacking number, therefore when monomer electrode assembly and pole
When piece or monomer electrode assembly are engaged progress hot pressing with monomer electrode assembly, with new formation monomer electrode assembly thickness
Increase, the coefficient of elasticity of the temperature of heat pressing wheel, push rod spring and guide rod spring is gradually stepped up, so that hot pressing mechanism can provide more
Big heat and pressure, so as to ensure hot pressing effect.Since two sets of hot pressing mechanisms need to keep the uniformity moved, double
Side is applied between the monomer electrode assembly of adhesivity membrane two-side adhesive and pole piece or monomer electrode assembly and monomer electrode assembly
Thickness, which should try one's best, keeps identical, should not differ larger, bilateral otherwise can be caused to apply the deformation of adhesivity membrane, so as to influence hot pressing
Quality.
The tension mechanism of the present invention can realize that bilateral applies the intermittent movement of adhesivity membrane, and the runner of feed mechanism keeps even
Rotary speed movement, when runner adsorb pole piece or monomer electrode assembly move to tentacle it is vertical with bilateral painting adhesivity membrane when, at this time
Bilateral applies adhesivity membrane setting in motion, and movement velocity applies adhesivity membrane one with pole piece or monomer electrode assembly close to bilateral
Linear velocity at the edge center of side is consistent；When the center of pole piece or monomer electrode assembly is overlapped with the center of heat pressing wheel
When, bilateral applies adhesivity membrane stop motion, and hot pressing mechanism starts to carry out hot-pressing processing to pole piece or monomer electrode assembly at this time；
After the completion of hot pressing, heat pressing wheel is gradually distance from bilateral and applies adhesivity membrane until distance is maximum, and runner adsorbs pole piece or monomer at this time
Electrode assembly just moves to tentacle and bilateral and applies that adhesivity membrane is vertical to be located again, and at this moment bilateral applies adhesivity membrane and starts to transport again
Dynamic and velocity amplitude is identical with above-mentioned speed；Heat pressing wheel also begins to move closer to bilateral painting adhesivity membrane simultaneously, when bilateral applies
After adhesivity membrane stop motion, heat pressing wheel just touches the surface of pole piece or monomer electrode assembly, starts a new cycle
Hot pressing.
From above technical scheme, the present invention can realize that pole piece or the accurate of monomer electrode assembly bond, connect heat
Pressure when continuously applying the progress hot pressing of adhesivity membrane to the bilateral for being bonded with pole piece or monomer electrode assembly, can not only be realized
The proper alignment of pole piece or monomer electrode assembly, and in hot pressing pole piece or monomer electrode assembly can be kept relatively-stationary same
When, moreover it is possible to the air between each pole piece and bilateral painting adhesivity membrane is smoothly discharged, makes the monomer electrode formed after hot pressing
The interior contact of component is closer, even if still having good performance after long-term use, so as to drastically increase electricity
Pond quality.
Description of the drawings
Fig. 1 is the exemplary view of monomer electrode assembly example arrangement in the present invention；
Fig. 2 is that monomer electrode assembly arranges cohesive structure diagram on unilateral side painting adhesivity membrane in the present invention；
Fig. 3 is the structure diagram that pole piece or monomer electrode assembly are carried out to hot-pressing processing using apparatus of the present invention；
Fig. 4 is the structure diagram of apparatus of the present invention three-dimensional space layout；
Fig. 5 a are the structure diagrams of feed tank in the present invention；
Fig. 5 b are the use state diagrams of feed tank in the present invention；
Fig. 6 a are the structure diagrams of feed mechanism in the present invention；
Fig. 6 b are the structure diagrams for the feed mechanism for not including feed tank in the present invention；
Fig. 6 c are the structure diagrams of tentacle in feed mechanism in the present invention；
Fig. 6 d are the structure diagrams of sucker in feed mechanism in the present invention；
Fig. 7 a are the structure diagrams of hot pressing mechanism in the present invention（It is not led comprising hot pressing crank, hot pressing rocking bar and hot pressing
Rail）；
Fig. 7 b are the partial structural diagrams of hot pressing mechanism in the present invention（Part including frame, the part of hot pressing sliding block,
The part of mandril, the part of hot pressing guide rail, push rod spring, chassis, sole piece, strut, support shaft, guide rod, guide rod spring；It does not include
Hot pressing crank and hot pressing rocking bar）
Fig. 8 is the structure diagram of heat pressing wheel course of exerting pressure in the present invention；
Fig. 9 is the structure diagram of tension mechanism in the present invention；
Figure 10 is that bilateral applies the schematic diagram that the movement velocity of adhesivity membrane changes over time in the present invention；
Figure 11 a and 11b are the structure diagrams of cutting mechanism in the present invention；
Figure 12 is the schematic diagram of the preferred hot pressing mode of different stacking pattern monomer electrode assemblies in the present invention.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 and Fig. 2 be in the present invention monomer electrode assembly and its unilateral side apply adhesivity membrane on arrange cohesive example
Property structure exemplary view.If monomer electrode assembly 104 is to apply adhesivity membrane 101, cathode by dried layer anode pole piece 100, bilateral
What pole piece 102 was obtained through heat pressing process, Fig. 1 shows the corresponding three kinds of typical cases of monomer electrode assembly suitable for apparatus of the present invention
Cellular construction, be respectively anode pole piece/viscosity membrane/cathode pole piece, anode pole piece/viscosity membrane/cathode pole piece/viscosity every
Film/anode pole piece, cathode pole piece/viscosity membrane/anode pole piece/viscosity membrane/cathode pole piece.Monomer electrode assembly can include
Several said units structures, the present invention does not constrain its quantity, and does not limit the number of plies of each typical unit structure.
Fig. 2 shows monomer electrode assembly 104 in the unilateral winding process applied on adhesivity membrane 103, monomer electrode group
Part 104 has directionality in the unilateral arrangement applied on adhesivity membrane 103, is said by taking monomer electrode assembly shown in Fig. 2 as an example
Bright, anode pole piece 100 is A type monomer electrode assemblies in upper definition, and cathode pole piece 102 is Type B monomer electrode in upper definition
Component, A, Type B monomer electrode assembly needs are interspersed.
Fig. 3 is the structure diagram that pole piece or monomer electrode assembly are carried out to hot-pressing processing using apparatus of the present invention, this hair
Bright device includes feed mechanism 200, tension mechanism 300, hot pressing mechanism 400 and cutting mechanism 500.
Fig. 4 is the structure diagram of apparatus of the present invention three-dimensional space layout.Feed mechanism 200 includes feed tank 201, runner
202nd, tentacle 203 and sucker 204.Tension mechanism 300 includes 302 liang of set tension rollers of tension roller 301 and tension roller, often covers
Tension roller is divided into Bao Kuo two idler wheels 303（Respectively upper tension roller and lower tension roller）.Hot pressing mechanism 400 includes heat
It buckles handle 401, hot pressing rocking bar 402, hot pressing sliding block 403 and hot pressing guide rail 404, is wherein also equipped with frame on hot pressing sliding block 403
4031st, mandril 4032, push rod spring 4033, chassis 4034, sole piece 4035, strut 4036, guide rod 4037,4038 and of guide rod spring
Heat pressing wheel 4039.Cutting mechanism 500 includes cutting table 501, cut-off knife 502 and scanning device 503.
Fig. 5 a and 5b are the structure diagrams of feed tank 201 in feed mechanism 200 in the present invention.Feed tank 201 includes case
Body 2011, feed plate 2012 and feed spring 2013, wherein feed plate 2012 can be slided up and down along the inner wall of babinet 2011.This reality
It applies example to illustrate by taking anode pole piece 100 as an example, anode pole piece 100 is placed in feed plate 2012, is fed spring 2013 to confession
Flitch 2012 provides thrust, the inner wall that the pole piece 100 positioned at top layer will be promoted tightly to be bonded babinet 2011.On babinet 2011 also
The thickness of adsorption tank 2014, lateral groove 2015, the wherein slightly greater height than pole piece 100 of lateral groove 2015 is provided with, it is each to ensure
It can only pass through there are one pole piece 100 from lateral groove 2015.
Fig. 6 a- Fig. 6 d are the structure diagrams of feed mechanism 200 in the present invention, and tentacle 203 is mounted on runner 202, is touched
Hand 203 is equipped with sucker 204 for hollow structure and its end, and sucker 204 is in suction condition always.Runner 202 is around its center
Axis makees uniform speed rotation, and when tentacle 203 is by adsorption tank 2014, sucker 204 tightly adsorbs pole piece 100 and by it from side
It is extracted out in slot 2015, and most pole piece 100 is bonded in the one side that bilateral applies adhesivity membrane 101 at last.Bilateral applies adhesivity membrane
A set of feed mechanism 200 is all respectively placed in 101 both sides, and the motion state of the two remains synchronous.
Fig. 7 a and Fig. 7 b are the structure diagrams of hot pressing mechanism 400 in the present invention.Its middle frame 4031 is solid with sliding block 403
Even, frame 4031 is cylindrical fit with mandril 4032 and mandril 4032 can be moved up and down along frame 4031, mandril 4032 and sole piece
4035 connected and sole pieces 4035 are connected further through push rod spring 4033 and frame 4031, are provided with round hole on chassis 4034, can permit
Perhaps mandril 4032, push rod spring 4033 pass through.One end of strut 4036 is connected with sole piece 4035, the other end and heat pressing wheel 4039
Support shaft 40310 is connected, and using cylindrical fit, i.e. strut 4036 can rotate around sole piece 4035, support shaft 40310
And strut 4036 can not be along the axial movement of support shaft 40310.One end of guide rod 4037 is connected with support shaft 40310, another
End is connected with chassis 4034, and using cylindrical fit, i.e. strut 4036 can rotate around support shaft 40310 and can be the bottom of along
Frame 4034 makees longitudinal sliding motion（The direction for applying 101 movement velocity of adhesivity membrane parallel to bilateral is defined as indulging in the present invention
To）.One end of guide rod spring 4038 is connected with guide rod 4037, and the other end is connected on chassis 4034.
Fig. 8 is the structure diagram of 4039 course of exerting pressure of heat pressing wheel in the present invention, and hot pressing sliding block 403 will by frame 4031
Power passes to push rod spring 4033, and push rod spring 4033 is transferred force to further through sole piece 4035 on strut 4036, and is finally made
With in support shaft 40310.The shape of heat pressing wheel 4039 is the combination of semicylinder and cuboid in the present invention, support shaft
40310 rotation axis and the rotation overlapping of axles of semicylinder.Resistance wire is placed in the inside of heat pressing wheel 4039, for heating heat pressing wheel
4039, heat required during hot pressing is provided.
Hot pressing sliding block 403 gradually applies the direction movement of adhesivity membrane 101 to bilateral and finally contacts heat pressing wheel 4039
To the surface of pole piece 100, the two of heat pressing wheel 4039 parallelepiped body portion is pressed in the central area of pole piece 100, heat pressing wheel at this time
4039 start to apply thermal force to pole piece 100.Afterwards, the direction for continuing to apply adhesivity membrane 101 to bilateral with sliding block 403 is moved
Dynamic, push rod spring 4033 is gradually compressed at this time, and the longitudinal force that support shaft 40310 is subject to also is continuously increased, but due to guide rod bullet
Spring 4038 in compressive state, can apply opposing spring force, so as to hinder the fortune of heat pressing wheel 4039 to support shaft 40310 always
It is dynamic.When the longitudinal force that push rod spring 4033 continues to compress and make support shaft 40310 to be subject to is more than opposing spring force, sole piece 4035
Start to move down, the angle between strut 4036 also gradually increases, and strut 4036 promotes heat pressing wheel 4039 to revolve around support shaft 40310
Turn, guide rod 4037 moves and guide rod spring 4038 is also gradually compressed along longitudinal direction with support shaft 40310.When hot pressing sliding block 403
When moving to bottom limit position, heat pressing wheel 4039 can carry out hot pressing to the surface of entire pole piece 100.
When hot pressing sliding block 403 is gradually moved from bottom limit position to the direction that adhesivity membrane 101 is applied away from bilateral,
The decrement of push rod spring 4033 tapers at this time, and sole piece 4035 starts to move up, and the angle between strut 4036 slowly reduces.When
When the driving of guide rod spring 4038 support shaft 40310 returns to initial position, push rod spring 4033 is still in compressive state at this time, with heat
Pressure sliding block 403 continues to move to, and the decrement of push rod spring 4033 is slowly stretched after gradually decreasing to zero, works as push rod spring
4033 drawing force is more than mandril 4032, chassis 4034, sole piece 4035, strut 4036, guide rod 4037, guide rod spring 4038, heat
Pinch roller 4039, support shaft 40310 the sum of weight when, heat pressing wheel 4039 can be lifted away from the surface of pole piece 100 and with hot pressing sliding block
403 move and are gradually distance from bilateral and apply adhesivity membrane 101.
Hot pressing sliding block 403 begins to gradually apply adhesivity membrane 101 to close to bilateral after moving to top limit position
Direction is moved, and when heat pressing wheel 4039 touches the surface of pole piece 100, push rod spring 4033 is still in tensional state.With heat
Pressure sliding block 403 continues to move, and the amount of tension of push rod spring 4033 gradually decreases to zero and slowly in compressive state, so as to open
Beginning repeats the above process.
Fig. 9 is the structure diagram of tension mechanism 300 in the present invention, and in the present invention, feed mechanism 200 glues pole piece 100
Knot should make bonding point between tension roller 301 and tension roller 302, it is ensured that pole when bilateral is applied on adhesivity membrane 101
Piece 100 only could pass through idler wheel 303 with pole piece 102 after hot-pressing processing is completed.
Figure 10 is that the movement velocity of bilateral painting adhesivity membrane 101 in the present invention changes over time schematic diagram, in of the invention
Tension mechanism 300 can realize that bilateral applies the intermittent movement of adhesivity membrane 101.When hot pressing sliding block 403 moves to top limit
During position, the pole piece 100 that tentacle 203 adsorbs at this time applies adhesivity membrane 101 and in parallel, bilateral painting adhesivity close to bilateral
At this moment setting in motion, speed V, this speed apply the edge of 101 one side of adhesivity membrane with pole piece 100 to membrane 101 close to bilateral
Linear velocity at center is consistent, if 202 pivot of runner applies the distance of adhesivity membrane 101 as R away from bilateral at this time, is turned
The angular speed of wheel 202 is ω1, therefore V=R* ω1。
With continuing to move to for hot pressing sliding block 403, when heat pressing wheel 4039 touches the surface of pole piece 100, bilateral at this time
The speed for applying adhesivity membrane 101 is zero, and when being always maintained at and being re-moved to top limit position to hot pressing sliding block 403 is
Only.In the present invention, if hot pressing sliding block 403 moves to the surface institute that heat pressing wheel 4039 touches pole piece 100 from top limit position
The time of experience is T, and making heat pressing wheel 4039, after completing hot pressing, hot pressing sliding block 403 is transported again from the surface for touching pole piece 100
It is T to move the time used in top limit position0, therefore T+T0It is the period of motion of hot pressing mechanism 400.Take hot pressing crank 401
Angular speed be ω2, should have at this time（T+T0）*ω2=2 π, angle theta between tentacle 203=（T+T0）*ω1, therefore θ=（ω1*2
π）/ω2 , interval S=V*T=R* ω between pole piece 1001*T。
Figure 11 is the structure diagram of cutting mechanism 500 in the present invention, and the pole piece 100 crossed through hot-pressing processing passes through idler wheel
303 are sent on cutting table 501, only when scanning device 503 captures the information of pole piece 100, the state of subsequent message interrupts
Under, cut-off knife 502 can just act, that is, cut off bilateral and apply adhesivity membrane 101, the monomer electrode assembly 104 being consequently formed is at itself
It is slid under gravity from the edge of cutting table 501, so as to cut vacating space for follow-up monomer electrode assembly.
Figure 12 is the schematic diagram of the preferred hot pressing mode of different stacking pattern monomer electrode assemblies in the present invention, above description
It is to manufacture list using apparatus of the present invention so that 100/ bilateral of anode pole piece applies 101/ cathode pole piece 102 of adhesivity membrane as an example to illustrate
The step of body electrode assembly 104, for the more monomer electrode assembly of stacking number, can utilize monomer electrode assembly/pole piece
Or the mode of monomer electrode assembly/monomer electrode assembly carries out hot pressing.Since row bilateral being divided to apply 101 both sides of adhesivity membrane
Hot pressing mechanism 400 has the synchronism of movement, therefore, deforms in order to avoid bilateral applies adhesivity membrane 101 in hot pressing,
The thickness of monomer electrode assembly or pole piece that bilateral applies 101 both sides of adhesivity membrane, which should try one's best, keeps identical.
In the present invention, on the basis of above device, push rod spring 4033 is removed, frame 4031 and mandril 4032 are consolidated
Even, heat pressing action can also be completed.But the advantage for increasing push rod spring 4033 is：First, heat pressing wheel 4039 touches pole piece
Surface when begin to provide thermal force for pole piece, as the power being applied on heat pressing wheel 4039 gradually increases, strut 4036 is slow
Slow driving heat pressing wheel 4039 rotates, this just leaves enough hot pressing times for pole piece.2nd, heat pressing wheel 4039 is applied on pole piece
Power transition it is steady, avoid rigid power to pole piece may caused by damage.Since there are push rod spring in apparatus of the present invention
4033, therefore apparatus of the present invention can only be carried out horizontal positioned, i.e., bilateral at this time applies adhesivity membrane 101 will be perpendicular to ground
Face.If removing push rod spring 4033, frame 4031 and mandril 4032 are connected, device at this time can carry out level or perpendicular
Straight to place, i.e., bilateral painting adhesivity membrane 101 can be perpendicular or parallel to ground.
In conclusion location accuracy and the hot pressing of the achievable takeup type laminated batteries monomer electrode assembly bonding of the present invention
Compactness.It is at random can not only effectively to prevent that pole piece or monomer electrode assembly from arranging during hot pressing, and realize from pole piece or
The center of monomer electrode assembly presses to both sides, can smoothly exclude the air being mingled between pole piece.Apparatus of the present invention are greatly improved
Hot pressing quality simultaneously has good operability, security.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art are to the technical side of the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain that claims of the present invention determines.
Claims (7)
1. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly, it is characterised in that：Including being used for from feed tank
Extract pole piece or monomer electrode assembly and be bonded in bilateral apply adhesivity membrane both sides feed mechanism, for making bilateral
It applies the certain tension of adhesivity membrane holding and it is made to keep the tension mechanism of intermittent movement, for pole piece or monomer electrode group
The surface of part apply heat and power load hot pressing mechanism and for cut off after the completion of hot pressing bilateral apply adhesivity membrane so that
Its cutting mechanism departed from the monomer electrode assembly newly formed；
The hot pressing mechanism for being used to applying the surface of pole piece or monomer electrode assembly heat and power load includes heat pressing wheel, symmetrical
The action executing portion that is arranged on heat pressing wheel axial direction both ends, the frame for being set in action executing portion upper end, the hot pressing being connected with frame
Sliding block, the hot pressing guide rail for being installed through in hot pressing sliding block and being slidably matched with hot pressing sliding block are connected on hot pressing slider side wall
Hot pressing rocking bar and the hot pressing crank that is rotatably assorted with hot pressing rocking bar；
The action executing portion include the U-shaped bottom frame that Open Side Down, sequentially pass through from top to bottom mandril at the top of frame and chassis,
It is embedded be arranged on the sole piece being connected in chassis and with mandril lower end, the strut for being connected on sole piece and being rotatably assorted with sole piece, with
The lower end of strut be rotatably assorted and be connected to the support shaft of heat pressing wheel axial end portion, both ends respectively with chassis bottom side of the wall and support
Guide rod that axis is rotatably assorted is set on guide rod and the guide rod spring that chassis madial wall is connected with guide rod inner end is distinguished at both ends.
2. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 1, it is characterised in that：
The both sides for being used to extract pole piece or monomer electrode assembly from feed tank and be bonded in bilateral painting adhesivity membrane
Feed mechanism includes feed tank, the runner being arranged on above feed tank, is arranged on runner and uniformly divides along runner circumferencial direction
Several tentacles of cloth and the sucker for being arranged on tentacle outer end.
3. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 1, it is characterised in that：
It is described symmetrical for bilateral to be made to apply the certain tension of adhesivity membrane holding and makes it that the tension mechanism of intermittent movement be kept to include
It is arranged on bilateral and applies adhesivity the membrane upper tension roller of both sides and lower tension roller up and down, and the quantity of the tension mechanism is two
Set.
4. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 1, it is characterised in that：
It is described to apply adhesivity membrane so that itself and the sanction of the monomer electrode assembly disengaging newly formed for cutting off bilateral after the completion of hot pressing
Cutting mechanism includes being arranged on the cutting table below bilateral painting adhesivity membrane and be separately positioned on bilateral painting adhesivity membrane
The cut-off knife and scanning device of side.
5. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 2, it is characterised in that：
The feed tank includes babinet, is arranged on the feed plate being slidably matched in babinet and with cabinet wall, is opened in casing top suction
Attached slot and symmetrical two lateral grooves being opened at left and right sides of babinet upper end；In the bottom of the feed plate and feed tank bottom
Feed spring is connected between side wall；The adsorption tank is communicated with lateral groove.
6. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 1, it is characterised in that：
The heat pressing wheel is equipped with resistance wire.
7. a kind of manufacture device of takeup type laminated batteries monomer electrode assembly according to claim 1, it is characterised in that：
Push rod spring is arranged on the mandril, and the upper end of the push rod spring is connected to the bottom of frame, lower end is connected to sole piece
Top.
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| CN106340667B (en) * | 2016-08-31 | 2018-12-21 | 天津市捷威动力工业有限公司 | A kind of lithium-ion electric core semi-automatic laminating equipment |
| JP6702131B2 (en) * | 2016-10-19 | 2020-05-27 | トヨタ自動車株式会社 | Stacked battery manufacturing equipment |
| CN106428706B (en) * | 2016-12-14 | 2018-10-23 | 苏州猎奇智能设备有限公司 | Power lithium cell electric core packing apparatus |
| CN107204415B (en) * | 2017-07-11 | 2023-08-08 | 利信(江苏)能源科技有限责任公司 | High-temperature safe type battery cell |
| JP6859223B2 (en) * | 2017-07-24 | 2021-04-14 | 株式会社Ｓｏｋｅｎ | Manufacturing method of laminated electrode body |
| CN109560322A (en) * | 2017-12-29 | 2019-04-02 | 蜂巢能源科技有限公司 | The manufacturing method and electrode tinkertoy module of electrode tinkertoy module |
| CN109560328A (en) * | 2017-12-29 | 2019-04-02 | 蜂巢能源科技有限公司 | The manufacturing method and electrode tinkertoy module of electrode tinkertoy module |
| CN108365266A (en) * | 2018-01-24 | 2018-08-03 | 柔电（武汉）科技有限公司 | The method and production line of dry process PVDF diaphragm cell pole piece constituent elements |
| KR102003728B1 (en) * | 2018-02-13 | 2019-10-01 | 주식회사 이노메트리 | High-speed stack manufacturing apparatus for prismatic secondary battery |
| CN110071262B (en) * | 2019-03-28 | 2022-06-17 | 合肥国轩高科动力能源有限公司 | Novel die-cutting, rolling and folding integrated machine and die-cutting, rolling and folding method thereof |
| CN116073076B (en) * | 2023-03-08 | 2023-06-20 | 中创新航科技(四川)有限公司 | Compounding method and compounding device for diaphragm and pole piece |
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