CN101752607A - Lithium ion battery cell packet preparation method and system - Google Patents
Lithium ion battery cell packet preparation method and system Download PDFInfo
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- CN101752607A CN101752607A CN201010044435A CN201010044435A CN101752607A CN 101752607 A CN101752607 A CN 101752607A CN 201010044435 A CN201010044435 A CN 201010044435A CN 201010044435 A CN201010044435 A CN 201010044435A CN 101752607 A CN101752607 A CN 101752607A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
- H01M4/10—Processes of manufacture of pressed electrodes with central core, i.e. dollies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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 invention discloses a lithium ion battery cell packet preparation method, including the following steps: pole piece material is made into negative pole pieces, and the negative pole pieces are transmitted to a negative pole sorting machine; qualified negative pole pieces are selected from the negative pole pieces and transmitted to a lamination stacking machine; the pole piece material is made into positive poles pieces, and the positive pole pieces are transmitted to a positive pole sorting machine; qualified positive pole pieces are selected from the positive pole pieces and transmitted to a positive pole bag machine; the qualified positive pole pieces are made into positive pole bags, and the positive pole bags are transmitted to the lamination stacking machine; lamination stacking is carried out on the positive pole bags and the qualified negative pole pieces by the lamination stacking machine, thus obtaining the cell packet. The invention also discloses a lithium ion battery cell packet preparation system. The invention comprises a negative pole processing machine, a split pole sorting machine, a lamination stacking machine, a positive pole bag machine, a positive pole sorting machine and a positive pole processing machine which are arranged in sequence, transmission equipment is arranged between each two equipment, thus cell packet can be prepared without manual operation and reliability and stability of the cell packet are improved.
Description
Technical field
The present invention relates to lithium ion battery, relate in particular to a kind of lithium ion battery cell packet preparation method and system.
Background technology
At present, the manufacture method of large-scale electric core of lithium ion power battery is mainly semi-automatic making electricity core and manually makes electric core.Semi-automatic making electricity core mainly comprises the unit film-making, the unit sorting, and the unit bag, the unit lamination is finished material loading and discharging between each machine by the manual mode of operation; Existing semi-automatic core packs fully, and the shortcoming of system is that the people has participated in part work wherein, the hidden danger that this buries the reliability of core bag in the manufacturing process.Because carry too much, can influence the degree of registration of electric core; Manually touch pole piece and barrier film and can influence electric core performance.Electric core is general only just can be used in the laboratory and manually make.
Summary of the invention
The main technical problem to be solved in the present invention is that a kind of lithium ion battery cell packet preparation method and system that need not artificial participation, institute's coremaking bag high conformity is provided.
For solving the problems of the technologies described above, the invention provides a kind of lithium ion battery cell packet preparation method, may further comprise the steps:
By the negative pole pelleter pole piece material is made negative plate, described negative plate is sent to the negative pole separator by first conveyer;
From described negative plate, filter out qualified negative plate by preassigned by described negative pole separator, described qualified negative plate is sent to the lamination machine by second conveyer;
By anodal pelleter pole piece material is made positive plate, described positive plate is sent to anodal separator by the 3rd conveyer;
From described positive plate, filter out qualified positive plate by preassigned by described anodal separator, described qualified positive plate is sent to anodal Bag Making Machine by the 4th conveyer;
By described anodal Bag Making Machine described qualified positive plate is made anodal bag, described anodal bag is sent to the lamination machine by the 5th conveyer;
By the lamination machine described anodal bag is carried out lamination with described qualified negative plate, make the core bag.
Described pole piece material is made positive plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter; Described pole piece material is made negative plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter.
Describedly from described negative plate, filter out qualified negative plate by preassigned and comprise that standard sub-elects qualified negative plate by weight; Describedly from described positive plate, filter out qualified positive plate by preassigned and comprise that standard sub-elects qualified positive plate by weight.
The qualified positive plate that sub-elects is carried out bag specifically to be realized by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
For solving the problems of the technologies described above, the present invention also provides a kind of core of lithium ion cell to pack system fully, comprises the following equipment that order is put: negative pole pelleter, negative pole separator, lamination machine, anodal Bag Making Machine, anodal separator and anodal pelleter; Described equipment is provided with transfer equipment between any two, and described transfer equipment is used to carry the material of preparation core bag; Described negative pole pelleter is used for pole piece material is made negative plate; Described negative pole separator is used for filtering out qualified negative plate by preassigned from described negative plate; Described anodal pelleter is used for pole piece material is made positive plate; Described anodal separator is used for sub-electing qualified positive plate by preassigned from described positive plate; Described anodal Bag Making Machine is used for described qualified positive plate is made anodal bag; Described lamination machine is used for anodal bag is carried out lamination with described qualified negative plate, makes the core bag.
Described pole piece material is made positive plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter; Described pole piece material is made negative plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter.
Described anodal separator comprises drive unit and the feeding device that is connected in turn, sorting unit and drawing mechanism respectively with described negative pole separator, described drive unit is used to drive described sorting unit, described sorting unit comprises pan feeding station and discharging station, make described positive plate and described negative plate enter described sorting unit, qualified positive plate and qualified negative plate are exported from the discharging station from the pan feeding station.
Described sorting unit also comprises the assembly of weighing, rotary disc assembly and waste recovery assembly, described by preassigned from described positive plate and described negative plate, sub-elect qualified positive plate and qualified negative plate comprise described weigh assembly by weight standard sub-elect qualified positive plate and qualified negative plate, described rotary disc assembly is sent to the discharging station with qualified positive pole place and qualified negative plate, and underproof positive plate and underproof negative plate are transported to the waste recovery assembly.
The qualified positive plate that sub-elects is carried out bag specifically to be realized by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
Described laser pelleter comprises that pole piece unreels the correction assembly, pole piece buffer memory assembly, pole piece send chip module, laser dicing assembly and pole piece rewinding assembly, described pole piece unreels the correction assembly to be used to correct the coiled strip of sideslip and coiled strip is transported to described pole piece buffer memory assembly, described pole piece buffer memory assembly is used to control time and the speed that unreels and coiled strip is transported to described pole piece and send chip module, described pole piece send chip module to be used for coiled strip is transported to described laser dicing assembly, described laser dicing assembly is used for coiled strip being cut into positive plate and negative plate and being transported to described pole piece rewinding assembly, and described pole piece rewinding assembly is used for described positive plate and negative plate are transported to described anodal separator and described negative pole separator respectively.
The invention has the beneficial effects as follows:
Among the present invention, owing to comprise a complete set of equipment of discharging in order of preparation core of lithium ion cell bag: negative pole pelleter, split pole separator, lamination machine, anodal Bag Making Machine, anodal separator and anodal pelleter, each equipment equipment between any two has transfer equipment, therefore need not through manual operation, can finish the preparation of core bag, improve the reliability and stability of battery bag.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of system of the present invention;
Fig. 2 is the device layout figure of system of the present invention embodiment;
Fig. 3 is the structural representation of the laser slicing machine in the system of the present invention embodiment;
Fig. 4 unreels the structural representation of correction assembly for the pole piece in the system of the present invention embodiment;
Fig. 5 is the structural representation of the pole piece buffer memory assembly in the system of the present invention embodiment;
Fig. 6 send the structural representation of chip module for the pole piece in the system of the present invention embodiment;
Fig. 7 is the structural representation of the laser dicing assembly in the system of the present invention embodiment;
Fig. 8 is the structural representation of the pole piece rewinding assembly in the system of the present invention embodiment;
Fig. 9 is the structural representation of the negative pole separator in the system of the present invention embodiment;
Figure 10 is the structural representation of the material feeding system in the system of the present invention embodiment;
Figure 11 is the structural representation of the separation system of weighing in the system of the present invention embodiment;
Figure 12 is the structural representation of the anodal Bag Making Machine in the system of the present invention embodiment;
Figure 13 is the structural representation of the carrying of the pole piece in system of the present invention embodiment assembly;
Figure 14 is the structural representation of time positioning component of the pole piece in the system of the present invention embodiment;
Figure 15 is the structural representation of the anodal bag assembly in the system of the present invention embodiment;
Figure 16 connects the structural representation of bag assembly for the bag that draws in the system of the present invention embodiment;
Figure 17 is the structural representation of the bag formula lamination machine in the system of the present invention embodiment;
Figure 18 is the structural representation of the bag formula lamination machine negative plate contact pin assembly in the system of the present invention embodiment;
Figure 19 is the structural representation of the bag formula lamination machine closed assembly assembly in the system of the present invention embodiment;
Figure 20 is the structural representation of the carrying of the bag formula lamination machine manipulator in system of the present invention embodiment assembly;
Figure 21 is the structural representation of the bag formula lamination machine outsourcing diaphragm assembly in the system of the present invention embodiment.
Embodiment
In conjunction with the accompanying drawings the present invention is described in further detail below by embodiment.
Core of lithium ion cell of the present invention packs system fully, its a kind of execution mode, as shown in Figure 1 and Figure 2, pelleter, separator, anodal Bag Making Machine 600 and lamination machine 300, pelleter comprises negative pole pelleter 100 and anodal pelleter 400, separator comprises negative pole separator 200 and anodal separator 500, puts in the following order: negative pole pelleter 100, negative pole separator 200, lamination machine 300, anodal Bag Making Machine 600, anodal separator 500 and anodal pelleter 400; Described equipment is provided with transfer equipment between any two, is used to carry the material of preparation core bag; Negative pole pelleter 100 is used for pole piece material is made negative plate; Negative pole separator 200 is used for filtering out qualified negative plate by preassigned from negative plate; Anodal pelleter 400 is used for pole piece material is made positive plate; Anodal separator 500 is used for sub-electing qualified positive plate by preassigned from described positive plate; Anodal Bag Making Machine 600 is used for described qualified positive plate is made anodal bag; Lamination machine 300 is used for anodal bag and qualified negative plate are carried out lamination, makes the core bag.Transfer equipment comprises first conveyer, second conveyer, the 3rd conveyer, the 4th conveyer and the 5th conveyer.
First conveyer is used for negative plate is sent to negative pole separator 200; Second conveyer is used for qualified negative plate is sent to lamination machine 300; The 3rd conveyer is used for positive plate is sent to anodal separator 500; The 4th conveyer is used for qualified positive plate is sent to anodal Bag Making Machine 600; The 5th conveyer is used for the positive pole bag is sent to lamination machine 300.
First conveyer, second conveyer, the 3rd conveyer, the 4th conveyer and the 5th conveyer all can be any one in conveyer belt, vacsorb device and the manipulator.
Pole piece material is made positive plate specifically can pass through any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter, the film-making of laser pelleter or the film-making of platen sheet-making machine.
Pole piece material is made negative plate specifically can pass through any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter, the film-making of laser pelleter or the film-making of platen sheet-making machine.
Separator comprises drive unit and the feeding device 210, sorting unit 220 and the drawing mechanism 230 that connect in turn, drive unit is used to drive described sorting unit, sorting unit 220 comprises pan feeding station and discharging station, make positive plate and negative plate enter sorting unit 220, qualified positive plate and qualified negative plate are exported from the discharging station from the pan feeding station.
The qualified positive plate that sub-elects is carried out bag specifically to be realized by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
The laser pelleter comprises that pole piece unreels correction assembly 110, pole piece buffer memory assembly 120, pole piece send chip module 130, laser dicing assembly 140 and pole piece rewinding assembly 150, pole piece unreels correction assembly 110 to be used to correct the coiled strip of sideslip and coiled strip is transported to pole piece buffer memory assembly 120, pole piece buffer memory assembly 120 is used to control time and the speed that unreels and coiled strip is transported to pole piece and send chip module 130, pole piece send chip module 130 to be used for coiled strip is transported to laser dicing assembly 140, laser dicing assembly 140 is used for coiled strip being cut into positive plate and negative plate and being transported to pole piece rewinding assembly 150, and pole piece rewinding assembly 150 is used for described positive plate and negative plate are transported to anodal separator 500 and negative pole separator 200 respectively.
In one embodiment, pelleter of the present invention as shown in Figure 3, comprises that pole piece send chip module 130 and laser dicing assembly 140.Laser dicing assembly 140 can be a laser slicing machine.
Pelleter of the present invention can also comprise that pole piece unreels the rewinding assembly 150 of correction assembly 110, pole piece buffer memory assembly 120 and pole piece.
In the lithium battery production process, the protheca operation of pelleter film-making is coating, and the material that coating machine is coated with out is web-like, and pelleter is made required size negative plate to coiled strip.The workflow of pelleter is as follows: the pole piece coiled strip unreels deviation correction mechanism 110 by pole piece and rectifies a deviation in time under the effect of pole piece deviation correction assembly 110, and the correction amount is at 0.5mm; Pole piece buffer memory assembly 120 comprises buffer memory mechanism and tension mechanism simultaneously, guarantees to send the length unanimity of sheet at every turn; Laser dicing assembly 140 is cut into pole piece by laser cutting with coiled strip; Last rewinding assembly 150 collects pole piece.
As shown in Figure 4, pole piece unreel the correction assembly 110 comprise three phase electric machine 111, servomotor 112, transducer 113 and cylinder 114.
Coiled strip 115 adopts the airpressure axle swelling, unreels by three phase electric machine 111, and when the coiled strip sideslip, transducer 113 can give servomotor 112 with its correction signal.After coiled strip 115 used up, tail end was compressed by cylinder 114, changed new coiled strip then.The port and a last coiled strip tail end of new coiled strip can be glued together, save material and the time of aliging.
As shown in Figure 5, pole piece buffer memory assembly 120 comprises counterweight roller 121 and transducer 122.
Pole piece is judged the speed that when unreels and unreel by 1201 tensionings of counterweight roller by transducer 1202.
As shown in Figure 6, pole piece send chip module 130 to comprise cylinder 131, goes up pressure roller 132, lower compression roller 133 and servomotor 134.
When wearing sheet, cylinder 131 will be gone up pressure roller 132 and mention, worn sheet after, will go up pressure roller 132 again and depress with lower compression roller 133 and close up, start servomotor 134 and drive pole piece by the frictional force between two rollers and move forward to finish and send the sheet action.
As shown in Figure 7, laser dicing assembly 140 comprises X-axis 141, Y-axis 142, Z axle 143 and cutting torch height micro-adjusting mechanism 144.
As shown in Figure 8, pole piece rewinding assembly 150 comprises limit material sucker 151 and blowing sucker 152.
Pole piece rewinding assembly 150 is installed on the Y-axis 142 that pole piece send chip module 140.Get material sucker 151 and material to be cut is picked up be put in assigned address, synchronously blowing sucker 152 generals the pole piece of well cutting pick up and be put in the positive and negative separator of weighing.
Separator of the present invention, its a kind of execution mode as shown in Figure 9, includes materials device 210, sorting unit 220 and drawing mechanism 230.Sorting unit can be the sorting unit 220 of weighing.
Coiled strip is made negative plate or positive plate through behind the pelleter, through separator negative plate or positive plate is divided into standard compliant OK shelves and lays particular stress on or light partially NO shelves then.
As shown in figure 10, feeding device 210 comprises utmost point case assembly 211, rotary disc assembly 2102, liftout assembly 213 is formed, after laser slicing machine is put into utmost point case assembly with the pole piece of well cutting and is reached certain thickness, rotating disk is by driven by motor dispenser Rotate 180 °, then the liftout assembly with pole piece jack-up to certain altitude so that the sucker suction of the sorting unit of weighing.
As shown in figure 11, in one embodiment, the sorting unit 220 of weighing adopts three phase electric machine to drive, quarter dispenser location.The sorting unit 220 of weighing comprises the assembly 221 of weighing, rotary disc assembly 222, and waste recovery assembly 223 is formed.The pole piece that feeding device 210 is brought picks up from suction position A, turn clockwise and arrive a B that weighs after 90 °, claimed to turn clockwise again 90 ° after heavy and arrived out material level C, if pole piece weight is in acceptability limit, then put it into the magazine of discharge system, underproof pole piece continues to turn clockwise 90 ° and arrives waste recovery position D, puts it into the magazine of waste recovery assembly 223.
In one embodiment, drawing mechanism 230 can be identical with the structure of feeding device 210, after the sorting unit 220 of weighing is put into utmost point case assembly 211 with qualified pole piece and is reached certain thickness, rotating disk is by driven by motor dispenser Rotate 180 °, then liftout assembly 213 with pole piece jack-up to certain altitude so that the sucker suction of anodal Bag Making Machine 600 and lamination machine 300.
As shown in figure 12, in one embodiment, anodal Bag Making Machine 600 comprises anodal bag assembly 630.
Anodal Bag Making Machine 600 can also comprise pole piece carrying assembly 610, pole piece time positioning component 620 and draw bag to connect bag assembly 640.Anodal bag is that the coating layer for positive pole all has one deck barrier film up and down, form weld seam (except the lug position) by hot weld or ultrasonic wave around the coating layer, and Zheng Ji coating layer has formed an independent positive pole bag like this.During at lamination, one deck barrier film is arranged with negative pole at anodal bag between positive pole and the negative pole all the time, anodal bag plays an important role to the performance of large-sized power battery.
As shown in figure 13, pole piece carrying assembly 610 comprises cylinder 611, first sucker 612, second sucker 613 and servomotor 614.
When cylinder 611 stretches out, first sucker 612 picks up pole piece from the magazine of anodal separator discharge system, second sucker 613 picks up the pole piece that has located from pole piece time positioning component simultaneously, be transported to assigned address by servomotor 614, can realize the high accuracy resetting, cylinder 611 withdrawals are then put into time positioning component with the pole piece that first sucker 612 holds, and the pole piece that second sucker 613 holds is put into anodal bag assembly 630.
As shown in figure 14, pole piece time positioning component 620 comprises first cylinder 621, second cylinder 622 and servomotor 623.
First cylinder 621 and the 622 every actions of second cylinder once will limit the X of a slice pole piece, the degree of freedom of Y direction.Weigh before separator discharge system rotation reloads when positive pole, pole piece time location servomotor 623 promotes whole positioning table and avoids stepping down.
As shown in figure 15, anodal bag assembly 630 comprises lower support seat 631, bag first cylinder 632 and bag second cylinder 633.
The pole piece that to have good positioning when pole piece carrying assembly is placed on the lower support seat 631 and after returning original position, this moment, respectively there was one deck barrier film the pole piece top and bottom, bag first cylinder 632 stretches out then, pressure roller on it will go up lower diaphragm plate close press flat, pole piece is wrapped wherein, bag second cylinder 3303 stretches out again, cutting die on it after heating gets up barrier film along the heat-sealing weldering of pole piece outer, bag second cylinder 633 is being with the cutting die withdrawal then, bag first cylinder 632 is being with pressure roller to withdraw again, so far makes one and removes the anodal bag that lug exposes sealing.
As shown in figure 16, draw bag to connect bag assembly and comprise first jaw 641, second jaw 642, first servomotor 643, second servomotor 644, the 3rd servomotor 649, first cylinder 645, first cylinder 643, second cylinder 646, the 3rd cylinder 647 and four-cylinder 648.
After having made bag, first jaw 641 merges the front end that clamps the pole piece bag, and first servomotor 643 drives it and moves to assigned address left, and second jaw 642 opens simultaneously, second servomotor 644 drives it and moves right assigned address and remerge, and clamps the front end of next pole piece bag.First cylinder 645 is being with sucker to stretch out and is being held pole piece bag upper surface, and second cylinder 646 is being with hot knife to stretch out then, withdraws after cutting off the interface position between adjacent two bags, so far finishes and draws the bag action.The 3rd cylinder 647 is being with big vacuum supporting plate to stretch out, hold pole piece bag lower surface, first cylinder 645 is with the sucker withdrawal of cutting off after the vacuum, first jaw 641 opens, under driving, continues behind the left movement certain position by first servomotor 643, four-cylinder 648 stretches out the lower surface that holds pole piece bag remainder with little vacuum supporting plate, then the 3rd cylinder 647 and four-cylinder 648 in tow the pole piece bag withdraw simultaneously, the 3rd servomotor 649 starts, drive the pole piece bag to assigned address so that lamination machine suction sheet.So far finish and connect the bag action.
In one embodiment, lamination machine 300 of the present invention as shown in figure 17, can be selected bag formula lamination machine for use, comprises closed assembly assembly 320 and outsourcing diaphragm assembly 340.
Negative plate contact pin assembly 310 is used to receive the qualified negative plate that sorts out from the negative pole separator; Closed assembly assembly 320 is used to receive the anodal bag from anodal Bag Making Machine output, and finishes the closed assembly of negative plate and anodal bag; Negative plate and anodal bag that manipulator carrying assembly 330 is used for closed assembly is closed are carried to outsourcing diaphragm assembly 340, and outsourcing diaphragm assembly 340 is used for negative plate behind the closed assembly and anodal bag outsourcing barrier film.Lamination machine 300 passes through lamination technology, negative plate, and anodal bag, negative plate, anodal bag, negative plate ... gather into folds successively, up to finishing the desired number of laminations of lamination technology, outsourcing PET plastic plate or barrier film paste high-temp glue then, make the core bag.
As shown in figure 18, negative plate contact pin assembly 310 comprises first cylinder 311, sucker 312, servomotor 313 and second cylinder 314.First cylinder 311 drives sucker 312 actions, from the magazine of negative pole separator 200 discharge systems, pick up negative plate, under servomotor 313 drives, get back to above time positioning component then, first cylinder 311 drives sucker 312 actions and puts down negative plate, second cylinder 314 moves again, and the X of negative plate, Y direction are positioned.
As shown in figure 19, closed assembly assembly 320 comprises first cylinder 321, first sucker 322, second cylinder 323, second sucker 324, the 3rd cylinder 325, four-cylinder 326, servomotor 327 and the 5th cylinder 328.
First cylinder 321 drives 322 actions of first sucker, picks up anodal bag from the vacuum supporting plate of anodal Bag Making Machine, and second cylinder, 323 drivening pieces, second sucker 324 stretches out simultaneously, puts down carrying is come from negative pole time positioning component negative plate to the lamination platform.The 3rd cylinder 325 withdrawal back four-cylinders 326 withdraws and are pushed down negative plate on the lamination platform, and second cylinder 323 drives second sucker 324 and withdraws then.First sucker 322 and second sucker 324 that servomotor 327 drives the anodal bag of sorption move right, up to lamination platform top that first sucker 322 is paused, with second sucker 324 top, negative pole time location of pausing, first cylinder, 321 drives, first sucker 322 stretches out and discharges anodal down bag then, after the 3rd cylinder 325 stretches out four-cylinder 326 and stretches out, the 3rd cylinder 325 withdrawal four-cylinders 326 are withdrawn again, push down the negative plate and anodal bag that are piled up on the lamination platform, first cylinder, 321 drives, first sucker 322 is withdrawn again then.Meanwhile second cylinder 323 drives second sucker 324 and pick up down a slice negative plate from negative pole time positioning component, circulates according to this up to the lamination number of finishing setting.The whole lamination platform of the 5th cylinder 328 drives moves to assigned address so that manipulator carrying assembly 330 is removed material then.
As shown in figure 20, manipulator carrying assembly 330 comprises first cylinder 331, second cylinder 332, gas pawl 333, servomotor 334, manipulator carrying assembly the 3rd cylinder 335 and manipulator carrying assembly four-cylinder 336.
After the 5th cylinder 328 drive lamination platforms of closed assembly assembly moved to assigned address with the electric core of folding, first cylinder 331 stretched out, 332 withdrawals of second cylinder, and gas pawl 333 closes up the electric core of clamping then, and first cylinder 331 is withdrawn electric core is lifted from the lamination platform.Servomotor 334 starts, and electric core is transported to outsourcing barrier film platform top, and first cylinder 331 stretches out then, gas pawl 333 opens, second cylinder 332 stretches out, 331 withdrawals of first cylinder, and electric core like this is placed on the bottom and has been lined with on the outsourcing barrier film platform of one deck barrier film.The 3rd cylinder 335 drives pressure roller and works to push down barrier film, and four-cylinder 336 drives hot knife to be play a part outsourcing barrier film interface is sealed.
As shown in figure 21, the outsourcing diaphragm assembly comprises first servomotor 341, the first gas pawl 342, second servomotor 343, the second gas pawl 344, first cylinder 345, second cylinder 346, large pressuring roller 347, the 3rd cylinder 348, air bells removing roll 349 and motor 3410.
The first gas pawl 342 opened after the end that first servomotor, 341 drives, the first gas pawl 342 clamps barrier films moved to assigned address left, second servomotor 343 drives and closes up the clamping barrier film after the open second gas pawl 344 moves right assigned address simultaneously, and first cylinder 345 drives the hot knife action and cuts off barrier film.Manipulator is positioned over electric core on the outsourcing barrier film platform then, and one deck barrier film has just been arranged at electric core like this bottom.Second cylinder 346 stretches out, drive the right first half that large pressuring roller 347 encases barrier film to left movement electric core, then the 3rd cylinder 348 stretches out, drive air bells removing roll 349 and move right the left first half that barrier film is encased electric core, because the cylinder diameter of the 3rd cylinder 348 is bigger than second cylinder 346, air bells removing roll 349 will promote large pressuring roller 347 and move right, directly in the middle of the electric core, one section barrier film overlay region will be arranged like this, the four-cylinder 336 of manipulator carrying assembly drives the hot knife action, the heat-sealing weldering of barrier film overlay region is got up, so far all use one deck barrier film to wrap whole electric core outside.Outsourcing diaphragm assembly motor 3410 plays the membrane unwinding effect.
Lithium ion battery cell packet preparation method of the present invention, its a kind of execution mode may further comprise the steps:
By the negative pole pelleter pole piece material is made negative plate, described negative plate is sent to the negative pole separator by first conveyer;
From described negative plate, filter out qualified negative plate by preassigned by described negative pole separator, described qualified negative plate is sent to the lamination machine by second conveyer;
By anodal pelleter pole piece material is made positive plate, described positive plate is sent to anodal separator by the 3rd conveyer;
From described positive plate, filter out qualified positive plate by preassigned by described anodal separator, described qualified positive plate is sent to anodal Bag Making Machine by the 4th conveyer;
By described anodal Bag Making Machine described qualified positive plate is made anodal bag, described anodal bag is sent to the lamination machine by the 5th conveyer;
By the lamination machine described anodal bag is carried out lamination with described qualified negative plate, make the core bag.
In one embodiment, pole piece material is made positive plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter; Pole piece material is made negative plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter.In this embodiment, adopt the laser pelleter to carry out film-making.
In one embodiment, from negative plate, filter out qualified negative plate by preassigned and comprise that standard sub-elects qualified negative plate by weight; From positive plate, filter out qualified positive plate by preassigned and comprise that standard sub-elects qualified positive plate by weight.
In one embodiment, the qualified positive plate that sub-elects being carried out bag specifically realizes by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
Among the present invention, owing to adopt laser slicing machine to cut into slices, without cutting die, it is convenient to change, and the sheet that cuts out does not have dry linting, and burr is few.Laser dicing of the present invention has passed through experiment, and the physical characteristic and the chemical characteristic of cutting edge behind the laser dicing have all been done test, proves the performance that can not influence battery after cutting into slices.
Among the present invention, arrange each station by disk structure, can be that precise electronic claims, the CCD vision detection system, can be by weight, or coating quality, or the quality around the pole piece of section back is come sorting, can also adopt orthoscopic to arrange each station, this station has important effect to the consistency of the performance of electric core.
Among the present invention, adopt hot weld formula bag that positive plate is carried out bag, the anodal bag that welds out is smooth, and barrier film does not have the limit of drawing, the weld seam high conformity, and welding effect is adjustable.Anodal bag of the present invention has passed through experiment, after the hot weld, and the consistency of weld seam, the quality of weld seam and the evenness of barrier film have all been done test, have all reached the technological standards of bag.
Among the present invention, the major function of lamination machine comprises the closed assembly of negative plate and anodal bag, after being stacked to the quantity of setting, carry out outsourcing barrier film or PET plastic plate at second station, paste high-temp glue at the 3rd station, can not influence the degree of registration of pole piece behind the closed assembly, can not have secondary to damage, the performance of battery is had important effect pole piece and barrier film.Bag formula lamination machine of the present invention has passed through experiment, and sucker can pick up anodal bag, carries out lamination, and the outsourcing barrier film is tested, and has proved that the elasticity clothes of outsourcing barrier film close the core job contract skill standard of battery.
Above content be in conjunction with concrete execution mode to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a lithium ion battery cell packet preparation method is characterized in that, may further comprise the steps:
By the negative pole pelleter pole piece material is made negative plate, described negative plate is sent to the negative pole separator by first conveyer;
From described negative plate, filter out qualified negative plate by preassigned by described negative pole separator, described qualified negative plate is sent to the lamination machine by second conveyer;
By anodal pelleter pole piece material is made positive plate, described positive plate is sent to anodal separator by the 3rd conveyer;
From described positive plate, filter out qualified positive plate by preassigned by described anodal separator, described qualified positive plate is sent to anodal Bag Making Machine by the 4th conveyer;
By described anodal Bag Making Machine described qualified positive plate is made anodal bag, described anodal bag is sent to the lamination machine by the 5th conveyer;
By the lamination machine described anodal bag is carried out lamination with described qualified negative plate, make the core bag.
2. lithium ion battery cell packet preparation method as claimed in claim 1 is characterized in that, described pole piece material is made positive plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter; Described pole piece material is made negative plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter.
3. lithium ion battery cell packet preparation method as claimed in claim 1 is characterized in that, describedly filters out qualified negative plate by preassigned from described negative plate and comprises that standard sub-elects qualified negative plate by weight; Describedly from described positive plate, filter out qualified positive plate by preassigned and comprise that standard sub-elects qualified positive plate by weight.
4. lithium ion battery cell packet preparation method as claimed in claim 1 is characterized in that, the qualified positive plate that sub-elects is carried out bag specifically realize by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
5. a core of lithium ion cell packs system fully, it is characterized in that, comprises the following equipment that order is put: negative pole pelleter, negative pole separator, lamination machine, anodal Bag Making Machine, anodal separator and anodal pelleter; Described equipment is provided with transfer equipment between any two, and described transfer equipment is used to carry the material of preparation core bag; Described negative pole pelleter is used for pole piece material is made negative plate; Described negative pole separator is used for filtering out qualified negative plate by preassigned from described negative plate; Described anodal pelleter is used for pole piece material is made positive plate; Described anodal separator is used for sub-electing qualified positive plate by preassigned from described positive plate; Described anodal Bag Making Machine is used for described qualified positive plate is made anodal bag; Described lamination machine is used for anodal bag is carried out lamination with described qualified negative plate, makes the core bag.
6. core of lithium ion cell as claimed in claim 5 packs fully system, it is characterized in that, described pole piece material is made positive plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter; Described pole piece material is made negative plate specifically by any one realization in the film-making of five metals punch die pelleter, the film-making of circular pressing and cutting pelleter or the film-making of laser pelleter.
7. core of lithium ion cell as claimed in claim 6 packs system fully, it is characterized in that, described anodal separator comprises drive unit and the feeding device that is connected in turn, sorting unit and drawing mechanism respectively with described negative pole separator, described drive unit is used to drive described sorting unit, described sorting unit comprises pan feeding station and discharging station, make described positive plate and described negative plate enter described sorting unit, qualified positive plate and qualified negative plate are exported from the discharging station from the pan feeding station.
8. core of lithium ion cell as claimed in claim 7 packs system fully, it is characterized in that, described sorting unit also comprises the assembly of weighing, rotary disc assembly and waste recovery assembly, described by preassigned from described positive plate and described negative plate, sub-elect qualified positive plate and qualified negative plate comprise described weigh assembly by weight standard sub-elect qualified positive plate and qualified negative plate, described rotary disc assembly is sent to the discharging station with qualified positive pole place and qualified negative plate, and underproof positive plate and underproof negative plate are transported to the waste recovery assembly.
9. core of lithium ion cell as claimed in claim 7 packs system fully, it is characterized in that, the qualified positive plate that sub-elects is carried out bag specifically realize by rolling-type hot weld bag or rolling-type ultrasonic wave bag.
10. core of lithium ion cell as claimed in claim 6 packs system fully, it is characterized in that, described laser pelleter comprises that pole piece unreels the correction assembly, pole piece buffer memory assembly, pole piece send chip module, laser dicing assembly and pole piece rewinding assembly, described pole piece unreels the correction assembly to be used to correct the coiled strip of sideslip and coiled strip is transported to described pole piece buffer memory assembly, described pole piece buffer memory assembly is used to control time and the speed that unreels and coiled strip is transported to described pole piece and send chip module, described pole piece send chip module to be used for coiled strip is transported to described laser dicing assembly, described laser dicing assembly is used for coiled strip being cut into positive plate and negative plate and being transported to described pole piece rewinding assembly, and described pole piece rewinding assembly is used for described positive plate and negative plate are transported to described anodal separator and described negative pole separator respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100444358A CN101752607B (en) | 2010-01-18 | 2010-01-18 | Lithium ion battery cell packet preparation method and system |
| PCT/CN2011/070058 WO2011085654A1 (en) | 2010-01-18 | 2011-01-06 | Preparing method and preparation system for cell core of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100444358A CN101752607B (en) | 2010-01-18 | 2010-01-18 | Lithium ion battery cell packet preparation method and system |
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| Publication Number | Publication Date |
|---|---|
| CN101752607A true CN101752607A (en) | 2010-06-23 |
| CN101752607B CN101752607B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100444358A Active CN101752607B (en) | 2010-01-18 | 2010-01-18 | Lithium ion battery cell packet preparation method and system |
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| Country | Link |
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| CN (1) | CN101752607B (en) |
| WO (1) | WO2011085654A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2011085654A1 (en) | 2011-07-21 |
| CN101752607B (en) | 2012-05-02 |
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