CN112310486B - Lithium battery cell lamination system - Google Patents
Lithium battery cell lamination system Download PDFInfo
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- CN112310486B CN112310486B CN202011309528.9A CN202011309528A CN112310486B CN 112310486 B CN112310486 B CN 112310486B CN 202011309528 A CN202011309528 A CN 202011309528A CN 112310486 B CN112310486 B CN 112310486B
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- assembly
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- lamination
- feeding
- pole piece
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- 238000003475 lamination Methods 0.000 title claims abstract description 111
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000005520 cutting process Methods 0.000 claims description 42
- 239000000428 dust Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000000007 visual effect Effects 0.000 claims description 30
- 238000007781 pre-processing Methods 0.000 claims description 23
- 238000007731 hot pressing Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 239000007888 film coating Substances 0.000 description 7
- 238000009501 film coating Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 4
- 238000003698 laser cutting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000002489 tectorial membrane Anatomy 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
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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
- 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
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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
- H01M10/052—Li-accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of lithium battery production, in particular to a lithium battery cell lamination system, which comprises: the device comprises a base, a diaphragm unreeling mechanism, a first feeding mechanism, a second feeding mechanism and a discharging mechanism, wherein the base is sequentially provided with at least two lamination tables along a straight line; the diaphragm unreeling mechanism comprises an unreeling component for releasing the diaphragm and a film covering component for introducing the diaphragm into the lamination table; the first feeding mechanism is arranged on one side of the lamination table and comprises a first bearing component for bearing the positive pole piece and a first feeding component for moving the positive pole piece on the first bearing component to the lamination table; the second feeding mechanism is arranged on one side, far away from the first feeding mechanism, of the lamination table and comprises a second bearing assembly and a second feeding assembly, wherein the second feeding assembly is used for moving the negative pole piece on the second bearing assembly to the lamination table; the blanking mechanism is used for moving the battery cells on the lamination table to be separated from the lamination table. The invention greatly improves lamination efficiency and laminating efficiency.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a lithium battery cell lamination system.
Background
The lithium battery lamination technology is a lithium battery manufacturing technology which uses a diaphragm to isolate positive and negative electrode plates, and sequentially stacks the electrode plates and the diaphragm, so that the lithium battery is an electric core. The basic principle and the working process are as follows: the coiled diaphragm is pulled out by the diaphragm assembly, the diaphragm is folded into a Z shape by the reciprocating motion of the base or the diaphragm assembly, meanwhile, the positive electrode plate and the negative electrode plate are alternately placed between the folded diaphragms by a mechanical arm or other transfer devices, and the positive electrode plate and the negative electrode plate are separated by the diaphragm. Repeating the above process for several times, thereby forming a lithium battery cell with a certain thickness.
The existing lamination device adopts a single Zhang Jipian lamination mode, only one pole piece is placed on the base at a time through a mechanical arm or other transfer devices to carry out lamination, and the lamination efficiency is low.
Disclosure of Invention
The invention provides a lithium battery cell lamination system, which solves the technical problem of lower lamination efficiency of a lamination device.
In order to solve the technical problems, the invention adopts the following technical scheme:
a lithium battery cell stack system, comprising:
the base is provided with at least two lamination platforms in sequence along a straight line;
the diaphragm unreeling mechanism is arranged on the base and comprises an unreeling component used for releasing the diaphragm and a film covering component used for introducing the diaphragm into the lamination table;
The first feeding mechanism is arranged on the base and is arranged on one side of the lamination table, and the first feeding mechanism comprises a first bearing component for bearing the positive pole piece and a first feeding component for moving the positive pole piece on the first bearing component to the lamination table;
The second feeding mechanism is arranged on the base, is arranged on one side, far away from the first feeding mechanism, of the lamination table, and comprises a second bearing assembly for bearing the negative electrode plate and a second feeding assembly for moving the negative electrode plate on the second bearing assembly to the lamination table;
the blanking mechanism is arranged on the base and used for moving the battery cells on the lamination table to be separated from the lamination table.
Further, the lithium battery cell lamination system further comprises:
the first preprocessing mechanism is arranged on one side, far away from the lamination table, of the first bearing component and comprises a first cutting component used for cutting the positive electrode coiled material into positive electrode plates, a first dust removing component used for removing dust on the surfaces of the cut positive electrode plates, a first secondary removing component used for detecting and removing secondary products and a first material distributing component used for moving the secondary removed positive electrode plates to the first bearing component;
The second pre-processing mechanism is arranged on one side, far away from the lamination table, of the second bearing component, and the first pre-processing mechanism comprises a second cutting component for cutting the negative electrode coil into a negative electrode plate, a second dust removing component for removing dust on the surface of the cut negative electrode plate, a second secondary removing component for detecting and removing secondary products and a second distributing component for moving the secondary removed negative electrode plate to the first bearing component.
Further, the method comprises the steps of,
The first preprocessing mechanism comprises a first transmission assembly for moving the positive pole piece, the first cutting assembly, the first dust removing assembly and the first secondary removing assembly are sequentially arranged at the top end of the first transmission assembly, the first dust removing assembly comprises a first dust collector, the first material distributing assembly is a first material distributing manipulator, and the first material distributing manipulator is arranged between the first transmission assembly and the first bearing assembly;
The second preprocessing mechanism comprises a second transmission assembly for moving the negative electrode pole piece, the second cutting assembly, the second dust removing assembly and the second sub-assembly are sequentially arranged at the top end of the second transmission assembly, the second dust removing assembly comprises a second dust collector, the second sub-assembly comprises a second CCD camera, the second material dividing assembly is a second material dividing manipulator, and the second material dividing manipulator is arranged between the second transmission assembly and the second bearing assembly.
Further, the method comprises the steps of,
The first secondary removing assembly comprises a first CCD camera and a first secondary removing manipulator, and the first secondary removing manipulator removes the anode plate with the residual secondary on the first transmission assembly according to the detection signal of the first CCD camera;
The second secondary removing assembly comprises a first CCD camera and a second secondary removing manipulator, and the second secondary removing manipulator removes a negative pole piece with a residual secondary on the second transmission assembly according to a detection signal of the second CCD camera.
Further, the lithium battery cell lamination system also comprises a hot-press forming mechanism, wherein the hot-press forming mechanism comprises a hot-press table for bearing the laminated cell and a hot-press assembly arranged on the hot-press table, and the hot-press assembly is used for bonding a diaphragm around the cell to a pole piece; the blanking mechanism is arranged between the lamination table and the hot press table.
Further, the hot pressing assembly comprises a hot pressing frame arranged on the hot pressing table, a hot pressing die vertically arranged on the hot pressing frame in a sliding mode and a hot pressing driving piece used for driving the hot pressing die to move up and down.
Further, the hot press forming mechanism further comprises a hot cutting assembly arranged on one side of the hot pressing assembly, and the hot cutting assembly comprises a hot cutting knife vertically arranged on the hot pressing table in a sliding mode and a hot cutting driving piece used for driving the hot cutting knife to move up and down.
Further, the method comprises the steps of,
The first feeding mechanism further comprises a first visual positioning piece and a first calibration assembly, the first bearing assembly comprises a first bearing table movably arranged on the base, the first visual positioning piece is used for detecting the position of the positive pole piece on the first bearing table, the first calibration assembly is used for moving the first bearing table, and the first calibration assembly adjusts the position of the first bearing table through positioning signals of the first visual positioning piece;
the second feeding mechanism further comprises a second visual positioning piece and a second calibration assembly, the second bearing assembly comprises a second bearing table movably arranged on the base, the second visual positioning piece is used for detecting the position of the negative pole piece on the second bearing table, the second calibration assembly is used for moving the second bearing table, and the second calibration assembly is used for adjusting the position of the second bearing table through positioning signals of the second visual positioning piece.
Further, the method comprises the steps of,
The first calibration assembly comprises a first X-axis screw rod module, a first Y-axis screw rod module arranged on the first X-axis screw rod module and a first Z-axis rotation module arranged on the first Y-axis screw rod module, and the first bearing table is arranged on the first Z-axis rotation module;
The second calibration assembly comprises a second X-axis screw rod module, a second Y-axis screw rod module arranged on the second X-axis screw rod module and a second Z-axis rotation module arranged on the second Y-axis screw rod module, and the second bearing table is arranged on the second Z-axis rotation module.
Further, the method comprises the steps of,
The first feeding assembly comprises a first feeding seat and a first feeding manipulator for moving the first feeding seat, and at least two first pole piece fixing pieces for fixing the positive pole piece are arranged at the bottom end of the first feeding seat;
the second feeding assembly comprises a second feeding seat and a second feeding manipulator used for moving the second feeding seat, and at least two second pole piece fixing pieces used for fixing the negative pole piece are arranged at the bottom end of the second feeding seat.
The invention has the beneficial effects that: according to the invention, the plurality of lamination platforms are arranged on the base, each lamination platform is correspondingly provided with the diaphragm unreeling mechanism, the positive pole piece is conveyed from one side of the lamination platform through the first feeding mechanism, the negative pole piece is conveyed from the other side of the lamination platform through the second feeding mechanism, and the positive pole piece and the negative pole piece on the lamination platform are sequentially subjected to cross film coating through the diaphragm unreeling mechanism, so that the lamination efficiency and the film coating efficiency are greatly improved; a plurality of pole pieces are adopted for feeding simultaneously, so that the pole piece feeding efficiency is improved, and the feeding cost is reduced; and a plurality of pole pieces are adopted for blanking simultaneously, so that the blanking efficiency is improved, and the blanking cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of one embodiment of the present lithium battery cell stack system;
FIG. 2 is a structural frame diagram of the lithium battery cell stack system of FIG. 1;
FIG. 3 is a first pre-processing mechanism of the lithium battery cell stack system of FIG. 1;
FIG. 4 is a second pre-processing mechanism of the lithium battery cell stack system of FIG. 1;
Fig. 5 is a schematic structural diagram of a diaphragm unreeling mechanism, a first feeding structure, and a second feeding mechanism of the lithium battery cell lamination system in fig. 1;
Fig. 6 is a structural frame diagram of the diaphragm unreeling mechanism, the first feeding structure, and the second feeding structure in fig. 5.
Reference numerals illustrate: 100. a base; 110. a lamination stage; 200. a diaphragm unreeling mechanism; 210. unreeling the assembly; 220. a film covering component; 300. a first feeding mechanism; 310. a first load bearing assembly; 311. a first loading table; 320. a first feeding assembly; 330. a first visual positioning member; 340. a first calibration assembly; 400. a second feeding mechanism; 410. a second carrier assembly; 411. a second bearing table; 420. a second feeding assembly; 430. a second visual positioning member; 440. a second calibration assembly; 500. a first pre-processing means; 510. a first cutting assembly; 520. a first dust removal assembly; 530. a first sub-assembly; 540. a first dispensing assembly; 550. a first transmission assembly; 600. a second pre-processing means; 610. a second cutting assembly; 620. a second dust removal assembly; 630. a second sub-dividing assembly; 640. a second dispensing assembly; 650. a second transmission assembly; 700. a hot press forming mechanism; 710. a hot cutting assembly; 720. a hot pressing assembly; 730. a hot press table; 800. a blanking mechanism;
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present invention, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present invention.
The terms "comprising" and "having" and any variations thereof in the description of the invention and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.
In the description of the invention and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
It should be noted that, for convenience of description, three coordinate axes perpendicular to each other in the definition space are an X axis, a Y axis and a Z axis, wherein the X axis and the Y axis are two coordinate axes perpendicular to each other in the same horizontal plane, and the Z axis is a coordinate axis in a vertical direction; the X axis, the Y axis and the Z axis are positioned on three planes which are mutually perpendicular in space and are respectively an XY plane, a YZ plane and an XZ plane, wherein the XY plane is a horizontal plane, the XZ plane and the YZ plane are vertical planes, and the XZ plane is perpendicular to the YZ plane.
Examples
As shown in fig. 1 to 6, in the lithium battery cell lamination system provided by the invention, a base 100 is provided, and at least two lamination platforms 110 are sequentially arranged on the base 100 along a straight line;
A diaphragm unreeling mechanism 200 provided on the base 100, the diaphragm unreeling mechanism 200 comprising an unreeling assembly 210 for releasing the diaphragm and a film covering assembly 220 for introducing the diaphragm into the lamination stage 110;
the first feeding mechanism 300 is arranged on the base 100, the first feeding mechanism 300 is arranged on one side of the lamination table 110, and the first feeding mechanism 300 comprises a first bearing component 310 for bearing the positive pole piece and a first feeding component 320 for moving the positive pole piece on the first bearing component 310 to the lamination table 110;
The second feeding mechanism 400 is arranged on the base 100, the second feeding mechanism 400 is arranged on one side of the lamination table 110 far away from the first feeding mechanism 300, and the second feeding mechanism 400 comprises a second bearing component 410 for bearing the negative pole piece and a second feeding component 420 for moving the negative pole piece on the second bearing component 410 to the lamination table 110;
The blanking mechanism 800 is arranged on the base 100, and the blanking mechanism 800 is used for moving the battery cells on the lamination table 110 to be separated from the lamination table 110.
According to the invention, the base 100 is provided with the plurality of lamination platforms 110, each lamination platform 110 is correspondingly provided with the diaphragm unreeling mechanism 200, the positive pole piece is conveyed from one side of the lamination platform 110 through the first feeding mechanism 300, the negative pole piece is conveyed from the other side of the lamination platform 110 through the second feeding mechanism 400, and the positive pole piece and the negative pole piece on the lamination platform 110 are sequentially subjected to cross film coating through the diaphragm unreeling mechanism 200, so that the lamination efficiency and the film coating efficiency are greatly improved; a plurality of pole pieces are adopted for feeding simultaneously, so that the pole piece feeding efficiency is improved, and the feeding cost is reduced; and a plurality of pole pieces are adopted for blanking simultaneously, so that the blanking efficiency is improved, and the blanking cost is reduced.
In the present embodiment, three lamination stations 110 are provided in total, and here, the number of lamination stations 110 may be increased or decreased according to actual demands.
As shown in fig. 1 to 5, since the tab forming and the pole piece cutting are required for the positive and negative pole piece coil materials before feeding, the lithium battery cell lamination system further includes a first pre-processing mechanism 500 disposed on a side of the first bearing component 310 away from the lamination table 110 and a second pre-processing mechanism 600 disposed on a side of the second bearing component 410 away from the lamination table 110, where the first pre-processing mechanism 500 and the second pre-processing mechanism 600 are symmetrically disposed with the connection lines of the three lamination tables 110 as symmetry axes.
The first pre-processing mechanism 500 includes a first cutting component 510 for cutting the positive electrode coil into positive electrode sheets, a first dust removing component 520 for removing dust on the surfaces of the cut positive electrode sheets, a first secondary removing component 530 for detecting and removing secondary products, and a first distributing component 540 for moving the secondary removed positive electrode sheets to the first bearing component 310, wherein the first cutting component 510 can be a laser cutting device, and the laser cutting device can be purchased from the market. Specifically, the first pre-processing mechanism 500 includes a first conveying component 550 for moving the positive pole piece, where the first conveying component 550 may be a conveyor belt device, the first cutting component 510, the first dust removing component 520, and the first secondary removing component 530 are sequentially disposed on the top end of the first conveying component 550, the first dust removing component 520 includes a first dust collector, a dust suction opening of the first dust collector is aligned with the first conveying component 550, and may suck dust on the positive pole piece, the first material distributing component 540 is a first material distributing manipulator, the first material distributing manipulator is disposed between the first conveying component 550 and the first bearing component 310, and the first material distributing manipulator may be a six-axis manipulator, and may move the positive pole piece on the first conveying component 550 to the first bearing component 310 through the first material distributing manipulator.
Preferably, the first sub-removing assembly 530 includes a first CCD camera (not shown) and a first sub-removing robot (not shown) that removes the anode tab having the residue on the first transmitting assembly 550 according to the detection signal of the first CCD camera. Specifically, this lithium cell electricity core lamination system still is provided with the controller (not shown in the figure), and first CCD camera, first remove inferior manipulator are connected with the controller electricity respectively, and first CCD camera is used for shooing the positive pole piece on the first transmission subassembly 550 to with the photo transmission that shoots to the controller, the controller handles the photo data, compares and detects positive pole piece size and surface shape, when detecting the positive pole piece that does not accord with the preset condition, the controller control first removes inferior manipulator and removes this defective goods.
As shown in fig. 4, the second pre-processing mechanism 600 includes a second cutting assembly 610 for cutting the positive electrode roll into negative electrode sheets, a second dust removing assembly 620 for removing dust on the surface of the cut negative electrode sheets, a second secondary removing assembly 630 for detecting and removing secondary products, and a second distributing assembly 640 for moving the secondary negative electrode sheets to the second carrying assembly 410, wherein the second cutting assembly 610 may be a laser cutting device, and the laser cutting device may be purchased from the market. Specifically, the second pre-processing mechanism 600 includes a second conveying component 650 for moving the negative electrode plate, where the second conveying component 650 may be a conveyor belt device, the second cutting component 610, the second dust removing component 620, and the second secondary removing component 630 are sequentially disposed on top of the second conveying component 650, the second dust removing component 620 includes a second dust collector, a dust suction opening of the second dust collector is aligned with the second conveying component 650, and may suck dust on the negative electrode plate, the second distributing component 640 is a second distributing manipulator, the second distributing manipulator is disposed between the second conveying component 650 and the second bearing component 410, and the second distributing manipulator may be a six-axis manipulator, and may move the negative electrode plate on the second conveying component 650 to the second bearing component 410 through the second distributing manipulator.
Preferably, the second sub-removing assembly 630 includes a second CCD camera and a second sub-removing manipulator, and the second sub-removing manipulator removes the negative electrode tab with the residue on the second transmission assembly 650 according to the detection signal of the second CCD camera. Specifically, this lithium cell electricity core lamination system still is provided with the controller, and second CCD camera, second remove the secondary manipulator and be connected with the controller electricity respectively, and the second CCD camera is used for shooing the negative pole piece on the second transmission subassembly 650 to with the photo transmission that shoots to the controller, the controller handles the photo data, compares and detects negative pole piece size and surface shape, when detecting the negative pole piece that does not accord with the preset condition, the controller control second removes the secondary manipulator and gets rid of this defective item.
As shown in fig. 5 and 6, the first feeding mechanism 300 further includes a first visual positioning member 330 and a first calibration assembly 340, the first bearing assembly 310 includes a first bearing platform 311 movably disposed on the base 100, the first visual positioning member 330 is used for detecting a position of the positive pole piece on the first bearing platform 311, the first calibration assembly 340 is used for moving the first bearing platform 311, and the first calibration assembly 340 adjusts the position of the first bearing platform 311 by a positioning signal of the first visual positioning member 330. Specifically, the top of the first plummer 311 is further provided with a conveyor belt device, so that the positive pole piece can be conveniently moved to a position close to the lamination table 110, the first feeding assembly 320 is conveniently grabbed, the first visual positioning piece 330 and the first calibration assembly 340 are electrically connected with the controller, the first visual positioning piece 330 can be a CCD camera, and before feeding, the positive pole piece can be conveniently moved to a preset position through multiple adjustment and calibration of the first visual positioning piece 330 and the first calibration assembly 340, so that the first feeding assembly 320 is conveniently fed.
In this embodiment, the first calibration assembly 340 includes a first X-axis screw module (not shown in the drawing), a first Y-axis screw module (not shown in the drawing) disposed on the first X-axis screw module, and a first Z-axis rotating module (not shown in the drawing) disposed on the first Y-axis screw module, and the first bearing stand 311 is disposed on the first Z-axis rotating module. Specifically, the first X-axis screw rod module, the first Y-axis screw rod module and the first Z-axis rotating module can drive the bearing table to move towards the X direction and the Y direction and rotate around the Z direction, so that the position of the positive pole piece on the bearing table can be conveniently adjusted.
More preferably, the first feeding assembly 320 includes a first feeding seat and a first feeding manipulator for moving the first feeding seat, and at least two first pole piece fixing members for fixing the positive pole piece are arranged at the bottom end of the first feeding seat. In this embodiment, the first pole piece fixing piece can adopt the vacuum suction nozzle, is provided with two vacuum suction nozzles here, can adsorb two positive pole pieces simultaneously and shift, has greatly improved lamination speed.
When the positive pole piece is fed, the positive pole piece on the first transmission assembly 550 is transferred to the conveyor belt device of the first bearing table 311 through the first material distributing manipulator, the positive pole piece is sequentially moved to a position close to the lamination table 110, and meanwhile, the positive pole piece is moved to a preset position through multiple adjustment and calibration of the first visual positioning piece 330 and the first calibration assembly 340 so as to be convenient for the first feeding assembly 320 to grasp.
As shown in fig. 5 and 6, the second feeding mechanism 400 further includes a second visual positioning member 430 and a second calibration assembly 440, the second bearing assembly 410 includes a second bearing table 411 movably disposed on the base 100, the second visual positioning member 430 is used for detecting a position of the negative pole piece on the second bearing table 411, the second calibration assembly 440 is used for moving the second bearing table 411, and the second calibration assembly 440 adjusts the position of the second bearing table 411 through a positioning signal of the second visual positioning member 430. Specifically, the top of second plummer 411 still is provided with conveyer belt device to the convenience is moved the negative pole piece to the position that is close to lamination platform 110, makes things convenient for second material loading subassembly 420 to snatch, and second visual locating piece 430 and second calibration subassembly 440 are connected with the controller electricity, and second visual locating piece 430 can be the CCD camera, before the material loading, through the multiple adjustment calibration of second visual locating piece 430 and second calibration subassembly 440, can remove the negative pole piece to the position of predetermineeing, makes things convenient for second material loading subassembly 420 material loading.
In this embodiment, the second calibration assembly 440 includes a second X-axis screw module, a second Y-axis screw module disposed on the second X-axis screw module, and a second Z-axis rotating module disposed on the second Y-axis screw module, and the second bearing table 411 is disposed on the second Z-axis rotating module. Specifically, the second X-axis screw rod module, the second Y-axis screw rod module and the second Z-axis rotating module can drive the bearing table to move towards the X direction and the Y direction and rotate around the Z direction, so that the position of the negative pole piece on the bearing table can be conveniently adjusted.
More preferably, the second feeding assembly 420 includes a second feeding seat and a second feeding manipulator for moving the second feeding seat, and at least two second pole piece fixing members for fixing the negative pole piece are arranged at the bottom end of the second feeding seat. In this embodiment, the second pole piece mounting can adopt the vacuum suction nozzle, is provided with two vacuum suction nozzles here, can adsorb two negative pole pieces simultaneously and shift, has greatly improved lamination speed.
When the negative pole piece is fed, the negative pole piece on the second transmission assembly 650 is transferred to the conveyor belt device of the second bearing table 411 through the second distributing manipulator, the negative pole piece is sequentially moved to a position close to the lamination table 110, and meanwhile, the negative pole piece is moved to a preset position through multiple adjustment and calibration of the second visual positioning piece 430 and the second calibration assembly 440 so as to be convenient for the second feeding assembly 420 to grasp.
In this embodiment, as shown in the drawing, three lamination platforms 110 are disposed on the base 100, two sides of each lamination platform 110 are respectively provided with a first bearing platform 311 and a second bearing platform 411, a first material distributing manipulator is disposed between adjacent first bearing platforms 311, a second material distributing manipulator is disposed between adjacent second bearing platforms 411, a first transmission component 550 is disposed on one side of the first bearing platform 311 close to the middle, the first transmission component 550 can directly move the positive pole piece to the first bearing platform 311 in the middle, a second transmission component 650 is disposed on one side of the second bearing platform 411 close to the middle, and the second transmission component 650 can directly move the negative pole piece to the second bearing platform 411 in the middle, so that the space of the device can be fully utilized, and the material distributing rate is improved.
As shown in fig. 6, the diaphragm unreeling mechanism 200 includes an unreeling assembly 210 for releasing the diaphragm and a film coating assembly 220 for introducing the diaphragm into the lamination station 110. Specifically, a gantry (not shown) is disposed on the base 100, an unreeling assembly 210 is disposed on the gantry, the unreeling assembly 210 includes a roller and a magnetic powder brake for controlling the roller to rotate, and the film covering assembly 220 includes a plurality of guide rollers rotatably disposed on the gantry.
As shown in fig. 1 and 2, the lithium battery cell lamination system further includes a hot press forming mechanism 700, where the hot press forming mechanism 700 includes a hot press table 730 for carrying the laminated cells, and a hot press assembly 720 disposed on the hot press table 730, and the hot press assembly 720 is used for adhering the separator around the cells to the pole piece; the blanking mechanism 800 is disposed between the lamination stage 110 and the hot platen 730. Specifically, the blanking mechanism 800 is a blanking manipulator disposed above the lamination table 110 and above the hot-press forming mechanism 700, and when a certain number of laminations are stacked, the blanking manipulator moves the laminated pole pieces to the hot-press forming mechanism 700, and after hot-press forming, the formed battery cells are removed.
In this embodiment, the hot press assembly 720 includes a hot press frame disposed on the hot press table 730, a hot press die (not shown) vertically slidably disposed on the hot press frame, and a hot press driving member (not shown) for driving the hot press die to move up and down. Specifically, the thermoplastic driver may be a pneumatic cylinder that may be used to adhere the diaphragm to the pole piece via the hot press assembly 720.
In this embodiment, after stacking the plurality of pole pieces side by side, the pole pieces need to be cut and separated before hot press forming, and the hot press forming mechanism further includes a hot cutting assembly 710 disposed on one side of the hot pressing assembly 720, where the hot cutting assembly 710 includes a hot cutter (not shown) vertically slidably disposed on the hot pressing table 730 and a hot cutting driving member (not shown) for driving the hot cutter to move up and down. Specifically, the hot cutting driving piece is an air cylinder, and the air cylinder can drive the hot cutting knife to cut and separate a plurality of side-by-side pole pieces so as to facilitate hot press molding.
Working principle:
pretreatment: the first pre-processing mechanism 500 performs tab forming and tab cutting on the positive electrode tab, removes dust on the positive electrode tab and removes defective products, and the second pre-processing mechanism 600 performs tab forming and tab cutting on the negative electrode tab, removes dust on the negative electrode tab and removes defective products;
and (3) feeding: the positive pole piece on the first transmission assembly 550 is transferred to a conveyor belt device of the first bearing table 311 through a first material distributing manipulator, the positive pole piece is sequentially moved to a position close to the lamination table 110, and meanwhile, the positive pole piece is moved to a preset position through multiple adjustment and calibration of the first visual positioning piece 330 and the first calibration assembly 340 so as to be convenient for the first material loading assembly 320 to grasp; the negative pole piece on the second transmission assembly 650 is transferred to a conveyor belt device of the second bearing table 411 through a second material dividing mechanical arm, the negative pole piece is sequentially moved to a position close to the lamination table 110, and meanwhile, the negative pole piece is moved to a preset position through multiple adjustment and calibration of the second visual positioning piece 430 and the second calibration assembly 440 so as to be convenient for the second material loading assembly 420 to grasp;
Lamination: the first feeding component 320 grabs and grabs the positive pole piece on the first bearing table 311 to the lamination table 110, the diaphragm unreeling mechanism 200 performs film coating, the second feeding component 420 grabs and grabs the negative pole piece on the second bearing table 411 to the lamination table 110, the diaphragm unreeling mechanism 200 performs film coating, and the positive pole piece and the negative pole piece are stacked in a staggered manner;
Hot press molding: the discharging manipulator moves the cells to the hot press station 730, separates the two cells connected together by a hot cutter, and fixes the relative position between the diaphragm and the pole piece by a hot press die.
And (3) blanking: the blanking manipulator removes the molded cells from the hot platen 730.
To sum up: according to the battery cell lamination system of the embodiment, a lamination scheme that a plurality of pole pieces are simultaneously stacked on the same lamination table 110 is adopted, so that the lamination efficiency of a lamination device is greatly improved; the membrane covering mode that the membrane covers a plurality of pole pieces at one time is adopted, so that the membrane covering efficiency is improved; a plurality of pole pieces are adopted for feeding simultaneously, so that the pole piece feeding efficiency is improved, and the feeding cost is reduced; and a plurality of pole pieces are adopted for blanking simultaneously, so that the blanking efficiency is improved, and the blanking cost is reduced. Lamination, tectorial membrane, material loading, unloading process degree of automation are higher, have saved manpower and materials and time cost of each process, have greatly shortened the lamination duration of lithium battery electric core, reduce cost expenditure and improve enterprise economic benefits and competitiveness.
The foregoing embodiments are preferred embodiments of the present invention, and in addition, the present invention may be implemented in other ways, and any obvious substitution is within the scope of the present invention without departing from the concept of the present invention.
Claims (9)
1. The utility model provides a lithium cell electricity core lamination system which characterized in that: comprising the following steps:
the base is provided with at least two lamination platforms in sequence along a straight line;
the diaphragm unreeling mechanism is arranged on the base and comprises an unreeling component used for releasing the diaphragm and a film covering component used for introducing the diaphragm into the lamination table;
The first feeding mechanism is arranged on the base and is arranged on one side of the lamination table, and the first feeding mechanism comprises a first bearing component for bearing the positive pole piece and a first feeding component for moving the positive pole piece on the first bearing component to the lamination table;
The second feeding mechanism is arranged on the base, is arranged on one side, far away from the first feeding mechanism, of the lamination table, and comprises a second bearing assembly for bearing the negative electrode plate and a second feeding assembly for moving the negative electrode plate on the second bearing assembly to the lamination table;
the discharging mechanism is arranged on the base and is used for moving the battery cells on the lamination table to be separated from the lamination table;
the lithium battery cell lamination system further comprises:
the first preprocessing mechanism is arranged on one side, far away from the lamination table, of the first bearing component and comprises a first cutting component used for cutting the positive electrode coiled material into positive electrode plates, a first dust removing component used for removing dust on the surfaces of the cut positive electrode plates, a first secondary removing component used for detecting and removing secondary products and a first material distributing component used for moving the secondary removed positive electrode plates to the first bearing component;
The second pre-processing mechanism is arranged on one side, far away from the lamination table, of the second bearing assembly and comprises a second cutting assembly, a second dust removing assembly, a second secondary removing assembly and a second distributing assembly, wherein the second cutting assembly is used for cutting a negative electrode coil stock into a negative electrode plate, the second dust removing assembly is used for removing dust on the surface of the cut negative electrode plate, the second secondary removing assembly is used for detecting and removing secondary products, and the second distributing assembly is used for moving the secondary removed negative electrode plate to the first bearing assembly.
2. The lithium battery cell stack-lamination system of claim 1, wherein:
The first preprocessing mechanism comprises a first transmission assembly for moving the positive pole piece, the first cutting assembly, the first dust removing assembly and the first secondary removing assembly are sequentially arranged at the top end of the first transmission assembly, the first dust removing assembly comprises a first dust collector, the first material distributing assembly is a first material distributing manipulator, and the first material distributing manipulator is arranged between the first transmission assembly and the first bearing assembly;
The second preprocessing mechanism comprises a second transmission assembly for moving the negative electrode pole piece, the second cutting assembly, the second dust removing assembly and the second sub-assembly are sequentially arranged at the top end of the second transmission assembly, the second dust removing assembly comprises a second dust collector, the second sub-assembly comprises a second CCD camera, the second material dividing assembly is a second material dividing manipulator, and the second material dividing manipulator is arranged between the second transmission assembly and the second bearing assembly.
3. A lithium battery cell stack-lamination system as defined in claim 2, wherein:
The first secondary removing assembly comprises a first CCD camera and a first secondary removing manipulator, and the first secondary removing manipulator removes the anode plate with the residual secondary on the first transmission assembly according to the detection signal of the first CCD camera;
The second secondary removing assembly comprises a first CCD camera and a second secondary removing manipulator, and the second secondary removing manipulator removes a negative pole piece with a residual secondary on the second transmission assembly according to a detection signal of the second CCD camera.
4. The lithium battery cell stack-lamination system of claim 1, wherein: the lithium battery cell lamination system also comprises a hot-press forming mechanism, wherein the hot-press forming mechanism comprises a hot-press table for bearing the laminated cell and a hot-press assembly arranged on the hot-press table, and the hot-press assembly is used for bonding a diaphragm around the cell to a pole piece; the blanking mechanism is arranged between the lamination table and the hot press table.
5. The lithium battery cell stack-lamination system of claim 4, wherein: the hot pressing assembly comprises a hot pressing frame arranged on the hot pressing table, a hot pressing die vertically arranged on the hot pressing frame in a sliding mode and a hot pressing driving piece used for driving the hot pressing die to move up and down.
6. The lithium battery cell stack-lamination system of claim 5, wherein: the hot press forming mechanism further comprises a hot cutting assembly arranged on one side of the hot pressing assembly, and the hot cutting assembly comprises a hot cutting knife vertically arranged on the hot pressing table in a sliding mode and a hot cutting driving piece used for driving the hot cutting knife to move up and down.
7. A lithium battery cell stack according to any one of claims 1-6, characterized in that:
The first feeding mechanism further comprises a first visual positioning piece and a first calibration assembly, the first bearing assembly comprises a first bearing table movably arranged on the base, the first visual positioning piece is used for detecting the position of the positive pole piece on the first bearing table, the first calibration assembly is used for moving the first bearing table, and the first calibration assembly adjusts the position of the first bearing table through positioning signals of the first visual positioning piece;
the second feeding mechanism further comprises a second visual positioning piece and a second calibration assembly, the second bearing assembly comprises a second bearing table movably arranged on the base, the second visual positioning piece is used for detecting the position of the negative pole piece on the second bearing table, the second calibration assembly is used for moving the second bearing table, and the second calibration assembly is used for adjusting the position of the second bearing table through positioning signals of the second visual positioning piece.
8. The lithium battery cell stack-lamination system of claim 7, wherein:
the first calibration assembly comprises a first X-axis screw rod module, a first Y-axis screw rod module arranged on the first X-axis screw rod module and a first Z-axis rotation module arranged on the first Y-axis screw rod module, and the first bearing table is arranged on the first Z-axis rotation module;
The second calibration assembly comprises a second X-axis screw rod module, a second Y-axis screw rod module arranged on the second X-axis screw rod module and a second Z-axis rotation module arranged on the second Y-axis screw rod module, and the second bearing table is arranged on the second Z-axis rotation module.
9. The lithium battery cell stack-lamination system of claim 7, wherein:
the first feeding assembly comprises a first feeding seat and a first feeding manipulator for moving the first feeding seat, and at least two first pole piece fixing pieces for fixing the positive pole piece are arranged at the bottom end of the first feeding seat;
the second feeding assembly comprises a second feeding seat and a second feeding manipulator used for moving the second feeding seat, and at least two second pole piece fixing pieces used for fixing the negative pole piece are arranged at the bottom end of the second feeding seat.
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| CN112886071A (en) * | 2021-02-03 | 2021-06-01 | 广东亿鑫丰智能装备股份有限公司 | Multi-station die-stacking integrated machine |
| CN113113656B (en) * | 2021-04-12 | 2022-07-19 | 东莞市佳兴自动化设备科技有限公司 | Interactive feeding type power battery cutting and stacking all-in-one machine and battery cell cutting, stacking and forming method |
| CN114784386B (en) * | 2022-04-29 | 2023-01-03 | 深圳市格林晟科技有限公司 | Lamination equipment and lamination method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011085654A1 (en) * | 2010-01-18 | 2011-07-21 | 深圳市吉阳自动化科技有限公司 | Preparing method and preparation system for cell core of lithium ion battery |
| CN102969538A (en) * | 2012-10-26 | 2013-03-13 | 东莞市鸿宝锂电科技有限公司 | Battery lamination stacking machine of lithium-ion power battery |
| CN208723016U (en) * | 2018-09-12 | 2019-04-09 | 东莞市超业精密设备有限公司 | A kind of swing arm laminating machine |
| CN209374599U (en) * | 2019-01-14 | 2019-09-10 | 广东新宇智能装备有限公司 | A kind of efficient laminating equipment of lithium battery pole slice |
| CN110323496A (en) * | 2019-07-11 | 2019-10-11 | 深圳市光大激光科技股份有限公司 | A kind of multistation lamination device and multistation laminating method |
| CN210668543U (en) * | 2019-10-09 | 2020-06-02 | 无锡先导智能装备股份有限公司 | Battery core lamination equipment and multi-station battery core lamination equipment |
| CN111554968A (en) * | 2020-06-16 | 2020-08-18 | 合肥国轩高科动力能源有限公司 | Lithium battery lamination device |
| CN111816928A (en) * | 2020-08-11 | 2020-10-23 | 深圳市光大激光科技股份有限公司 | Multi-lithium battery cell laminating equipment and method |
| CN213692160U (en) * | 2020-11-20 | 2021-07-13 | 深圳市光大激光科技股份有限公司 | Lithium battery cell lamination system |
-
2020
- 2020-11-20 CN CN202011309528.9A patent/CN112310486B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011085654A1 (en) * | 2010-01-18 | 2011-07-21 | 深圳市吉阳自动化科技有限公司 | Preparing method and preparation system for cell core of lithium ion battery |
| CN102969538A (en) * | 2012-10-26 | 2013-03-13 | 东莞市鸿宝锂电科技有限公司 | Battery lamination stacking machine of lithium-ion power battery |
| CN208723016U (en) * | 2018-09-12 | 2019-04-09 | 东莞市超业精密设备有限公司 | A kind of swing arm laminating machine |
| CN209374599U (en) * | 2019-01-14 | 2019-09-10 | 广东新宇智能装备有限公司 | A kind of efficient laminating equipment of lithium battery pole slice |
| CN110323496A (en) * | 2019-07-11 | 2019-10-11 | 深圳市光大激光科技股份有限公司 | A kind of multistation lamination device and multistation laminating method |
| CN210668543U (en) * | 2019-10-09 | 2020-06-02 | 无锡先导智能装备股份有限公司 | Battery core lamination equipment and multi-station battery core lamination equipment |
| CN111554968A (en) * | 2020-06-16 | 2020-08-18 | 合肥国轩高科动力能源有限公司 | Lithium battery lamination device |
| CN111816928A (en) * | 2020-08-11 | 2020-10-23 | 深圳市光大激光科技股份有限公司 | Multi-lithium battery cell laminating equipment and method |
| CN213692160U (en) * | 2020-11-20 | 2021-07-13 | 深圳市光大激光科技股份有限公司 | Lithium battery cell lamination system |
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