CN117936931A - Pole piece winding machine and winding method for lithium battery production - Google Patents
Pole piece winding machine and winding method for lithium battery production Download PDFInfo
- Publication number
- CN117936931A CN117936931A CN202410273560.8A CN202410273560A CN117936931A CN 117936931 A CN117936931 A CN 117936931A CN 202410273560 A CN202410273560 A CN 202410273560A CN 117936931 A CN117936931 A CN 117936931A
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- pole piece
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- rack
- block
- limiting
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- 238000004804 winding Methods 0.000 title claims abstract description 36
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001125 extrusion Methods 0.000 claims description 44
- 238000003780 insertion Methods 0.000 claims description 19
- 230000037431 insertion Effects 0.000 claims description 19
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000000758 substrate 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
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a pole piece winding machine and a winding method for lithium battery production, and relates to the field of lithium battery production. According to the invention, the clamping block moves inwards firstly through pinching the limiting block by hand, then the fixed shaft is moved between the first limiting plates, and then the clamping block is driven by the first spring to be clamped into the rotary sleeve, so that the fixed shaft can be conveniently installed, and the pole piece can be wound later.
Description
Technical Field
The invention relates to the field of lithium battery production, in particular to a pole piece winding machine and a winding method for lithium battery production.
Background
The lithium ion battery is a battery taking lithium metal or lithium alloy as a negative electrode material, the pole piece is one of parts in the lithium battery, and when the lithium battery is produced, the pole piece of the lithium battery needs to be wound by a winding machine, and the winding machines on the market are various.
Patent publication number is CN 213425018U's patent discloses a lithium battery pole piece winder, which comprises a substrate, the first slide rail of top surface one side symmetry fixedly connected with of base plate, first slide rail one end is equipped with the fixing base, the top surface fixed connection of fixing base and base plate, fixing base upper portion one side fixedly connected with motor, the upper portion opposite side rotation of fixing base is connected with first carousel, the output shaft of motor passes the fixing base and passes through shaft coupling and first carousel fixed connection, the outside sliding connection of first slide rail has the first slider rather than looks adaptation.
When the winding machine is used for winding the pole piece, the fixed shaft is required to be placed between the fixed seat and the movable seat, then the first threaded handle is required to be manually rotated, and further the fixed shaft is fixed between the fixed seat and the movable seat, after the pole piece is wound around the fixed shaft, the first threaded handle is required to be manually reversed, and the movable seat is required to be manually moved to release the fixed shaft, so that the pole piece can be taken out, the trouble is very high, time and labor are wasted, and the pole piece winding machine and the winding method for lithium battery production, which are convenient to install the fixed shaft, are developed at present, so that the pole piece is wound on the fixed shaft.
Disclosure of Invention
The invention provides a pole piece winding machine and a winding method for producing a lithium battery, which are used for installing, dismounting and fixing a shaft so as to wind a pole piece on the shaft, and the pole piece winding machine and the winding method are used for overcoming the defect that the existing winding machine is troublesome to install the shaft.
The utility model provides a pole piece coiler for lithium cell production, including the supporting seat, servo motor, a limiting plate, the swivel sleeve, the fixed axle, the block is gone into to the card, the limiting block, a first spring, spacing subassembly and pushing component, be equipped with servo motor on the supporting seat, the supporting seat symmetry slidingtype is connected with a limiting plate, the supporting seat symmetry rotation is connected with the swivel sleeve, servo motor and similar swivel sleeve pass through the connection, swivel sleeve joint has the block of going into, sliding type is connected with the fixed axle between the block of going into, swivel sleeve symmetry is provided with the limiting block, limiting block and swivel sleeve joint cooperation are connected with a spring between block and the fixed axle, a limiting plate is equipped with spacing subassembly, be equipped with pushing component between supporting seat and the first limiting plate.
Further, the limiting assembly comprises a second limiting plate and a magnet block, and the second limiting plate is respectively adsorbed on the first limiting plate through magnetism of the magnet block.
Further, the pushing assembly comprises a first rack, a first gear, a movable frame, a pushing rod, a second rack and a second spring, wherein the first limiting plate on one side far away from the servo motor is symmetrically connected with the first rack, the movable frame is connected in a sliding mode in the supporting seat, one side, far away from the first rack, of the movable frame is fixedly connected with the similar first limiting plate, one side, close to the first rack, of the movable frame is connected with the second rack, the supporting seat is connected with the first gear in a rotating mode, the first gear is meshed with the similar first rack and the second rack respectively, the rotating sleeve on one side close to the first gear is connected with the pushing rod in a sliding mode, the pushing rod is in extrusion fit with the movable frame, and the second spring is connected between the movable frame and the supporting seat.
Further, the pole piece winder for lithium battery production further comprises a guide plate, a third spring and a fixing assembly, wherein the guide plate is connected between the first limiting plates in a sliding mode, the third spring is connected between the guide plate and the first limiting plates, and the fixing shaft is provided with the fixing assembly.
Further, fixed subassembly is including electronic slider and first faller, and it has the inserted hole to open in the fixed axle, and the inserted hole slidingtype is connected with first faller, and the inserted hole evenly opens a plurality of round holes, and round hole and first faller cooperation, inserted hole slidingtype are connected with electronic slider, and electronic slider is connected with first faller.
Further, the pole piece winder for lithium cell production still includes movable plate, fourth spring, fifth spring, pushes away tight board and extrusion subassembly, and first limiting plate keeps away from fixed axle one side sliding connection and has the movable plate, is connected with the fourth spring between movable plate top and the first limiting plate, and first limiting plate is close to fixed axle one side sliding connection and pushes away tight board, pushes away and is connected with the fifth spring that the symmetry set up between tight board and the movable plate, is equipped with extrusion subassembly between movable plate and the fixed axle.
Further, the extrusion assembly comprises an extrusion rod and an extrusion block, the movable plate is connected with the extrusion rod, the fixed shaft is symmetrically and uniformly connected with the extrusion block, and the extrusion block is in extrusion fit with the extrusion rod.
Further, the pole piece winder for lithium battery production further comprises a rotating column and a rotating drum, wherein the guide plate is connected with the rotating column in a rotating mode, and the rotating column is connected with the rotating drum.
Further, the pole piece winder for lithium battery production further comprises a third rack, a second gear and a second needle plate, the second needle plate is connected in the insertion opening in a sliding mode, the second needle plate and the first needle plate are connected with the third rack, one side, close to the third rack, of the insertion opening is connected with the second gear in a rotating mode, and the second gear is meshed with the third rack.
The pole piece winding method for lithium battery production comprises the following steps:
s1, manually pinching the limiting blocks, inserting the fixed shaft between the first limiting plates, driving the clamping blocks to move and clamp into the rotary sleeve through the first springs, and then installing the fixed shaft;
s2, when the fixed shaft is installed, the clamping block pushes the pushing rod rightwards, the pushing rod pushes the moving frame rightwards, and the first limiting plate is driven to move towards one side close to each other to limit the pole piece;
S3, inserting one end of the pole piece into the insertion port, and fixing the pole piece through the first needle plate and the second needle plate so as to roll the pole piece;
s4, starting the servo motor, driving the fixed shaft to wind the pole piece, and continuously moving the pushing plate up and down to push the pole piece tightly in the process of winding the pole piece;
S5, after the pole piece is rolled, the fixed shaft and the pole piece are disassembled.
The beneficial effects of the invention are as follows: 1. according to the invention, the clamping block moves inwards firstly through pinching the limiting block by hand, then the fixed shaft is moved between the first limiting plates, and then the clamping block is driven by the first spring to be clamped into the rotary sleeve, so that the fixed shaft can be conveniently installed, and the pole piece can be wound later.
2. According to the invention, when the fixed shaft is installed, the clamping block can squeeze the push rod, the push rod pushes the movable frame, and the first limiting plate can move to limit the pole piece through the cooperation among the first rack, the second rack and the first gear, so that the pole piece is convenient to wind.
3. According to the invention, the third spring can drive the guide plate to move backwards to smooth the pole piece, and the guide plate can guide the pole piece so that people can insert one end of the pole piece into the insertion port, and the first needle plate is used for fixing the pole piece.
4. According to the pole piece winding device, the fifth spring and the pushing plate are driven by the moving plate to move up and down continuously to push the pole piece tightly through the cooperation between the extrusion block and the extrusion rod, so that the pole piece is wound more tightly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the rotating sleeve, the fixed shaft, the clamping block and other parts of the invention.
Fig. 3 is a perspective structural sectional view of the fixing shaft, the click-in block, the limiting block and the first spring of the present invention.
Fig. 4 is a schematic perspective view of a first perspective view of the first rack, the first gear and the moving rack of the present invention.
Fig. 5 is a schematic perspective view of a second perspective view of the first rack, the first gear and the moving rack of the present invention.
Fig. 6 is a schematic perspective view of the second limiting plate, the guide plate and the third spring according to the present invention.
Fig. 7 is a schematic perspective view of the components of the fixed shaft, the electric slider and the first needle plate of the present invention.
Fig. 8 is a schematic partial perspective view of the fixed shaft, the electric slider and the first needle plate of the present invention.
Fig. 9 is a schematic perspective view of the moving plate, the fourth spring, the fifth spring and other parts according to the present invention.
Fig. 10 is a schematic perspective view of the components such as the extrusion assembly of the present invention.
FIG. 11 is a schematic perspective view of a spin basket, drum, and other components of the present invention.
Fig. 12 is a schematic perspective view of the third rack, the second gear, the second needle plate, and other components of the present invention.
The reference symbols in the drawings: 1: supporting seat, 2: servo motor, 3: first limiting plate, 4: rotating sleeve, 5: fixed shaft, 6: clamping in a block, and 7: limit block, 8: first spring, 9: second limiting plate, 10: magnet block, 11: first rack, 12: first gear, 13: a moving rack, 130: push rod, 14: second rack, 15: second spring, 16: deflector, 17: third spring, 18: electric slider, 181: insertion port, 19: first needle plate, 20: round hole, 21: a moving plate, 22: fourth spring, 23: fifth spring, 24: pushing the plate, 25: extrusion rod, 26: extrusion block, 27: spin column, 28: a drum, 29: third rack, 30: second gear, 31: and a second needle plate.
Detailed Description
The invention will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the invention, but are not to be construed as limiting the invention.
Example 1: 1-5, as shown in figure 1-5, including supporting seat 1, servo motor 2, first limiting plate 3, swivel sleeve 4, fixed axle 5, block 6 is gone into to the card, limiting block 7, first spring 8, spacing subassembly and pushing component, there is servo motor 2 in the upper left portion of supporting seat 1 through bolted connection, the first limiting plate 3 of all sliding type is connected with in the left and right sides of supporting seat 1 upper portion, the rotating sleeve 4 of all rotating type is connected with in the upper left and right sides of supporting seat 1, the output shaft of servo motor 2 and the rotating sleeve 4 of left portion pass through the shaft coupling connection, all joint has block 6 of card in the rotating sleeve 4, slide type is connected with fixed axle 5 between block 6 of card, block 7 and rotating sleeve 4 joint cooperate, all be connected with first spring 8 between block 6 and the inside of fixed axle, the first limiting plate 3 rear portion all is equipped with spacing subassembly, the pole piece is in the process of winding up and winding up fixed axle 5, can take up the spacing subassembly from the fixed axle 3 through the cooperation of spacing subassembly and first limiting plate 3, can take up the spacing subassembly down the rotating sleeve 4 simultaneously, can be followed by the rotating sleeve 4 to take-up the spacing subassembly to the rotating sleeve 4, can be convenient to take up the pole piece 4 from the side 1 to the side, the rotating sleeve 4 is gone into the rotating sleeve 4 is pushed down, the limit assembly is convenient to take up from the side 1; the limiting assembly comprises a second limiting plate 9 and a magnet block 10, and the second limiting plate 9 is respectively adsorbed at the rear part of the first limiting plate 3 through magnetism of the magnet block 10; the pushing assembly comprises a first rack 11, a first gear 12, a moving frame 13, a pushing rod 130, a second rack 14 and a second spring 15, wherein the upper side and the lower side of the right part of a first limiting plate 3 at the right part are respectively connected with the first rack 11, the moving frame 13 is connected in the supporting seat 1 in a sliding manner, the upper left part of the moving frame 13 is fixedly connected with the first limiting plate 3 at the left side, the upper side and the lower side of the upper right part of the moving frame 13 are respectively connected with the second rack 14, the upper right side and the lower side of the upper right part of the supporting seat 1 are respectively and rotatably connected with the first gear 12, the first gear 12 is respectively meshed with the first rack 11 and the second rack 14 which are close, the middle of a rotating sleeve 4 at the right part is connected with the pushing rod 130 in a sliding manner, when the right end of the pushing rod 130 is in press fit with the moving frame 13, and when a clamping block 6 is in moving contact with the pushing rod 130, the pushing rod 130 is moved to push the moving frame 13, the moving frame 13 is moved right by the right through the cooperation between the first rack 11, the second rack 14 and the first gear 12, so that the first limiting plate 3 can move to the upper right part and the moving plate 13 through the cooperation between the first rack 14 and the first rack 12.
Before winding the pole piece, the fixed shaft 5 around which the pole piece is wound is firstly removed, the second limiting plate 9 is manually pulled backwards and forcefully, so that the magnet block 10 of the second limiting plate 9 is separated from the first limiting plate 3, then people can pinch the two limiting blocks 7 towards the rear by two hands, move the two limiting blocks 7 towards one side close to each other, the limiting blocks 7 drive the clamping blocks 6 to move towards one side close to each other, the first springs 8 are compressed, in the process of moving the clamping blocks 6 towards one side close to each other, the right end of the clamping blocks 6 at the right part is slowly separated from the left end of the pushing rod 130, then the right end of the pushing rod 130 does not squeeze the moving frame 13 any more, at the moment, the second springs 15 which are originally in a compressed state slowly reset, the second springs 15 drive the moving frame 13 to move leftwards, the pushing rod 130 and the first limiting plate 3 at the left part are driven by the moving frame 13 to move leftwards, the moving frame 13 moves leftwards and drives the second rack 14 to move leftwards, the second rack 14 moves leftwards and drives the first rack 11 to move rightwards through the first gear 12, the first rack 11 drives the first limiting plate 3 at the right part to move rightwards, then after the clamping block 6 is completely separated from the rotating sleeve 4, the fixed shaft 5 and the pole piece can be removed from the rotating sleeve 4, then the limiting block 7 can be loosened, under the action of the first spring 8, the limiting block 7 and the clamping block 6 can be driven to move and reset, so that the pole piece can be removed, then the second limiting plate 9 is adsorbed onto the rear part of the first limiting plate 3 again through the magnet block 10, then the limiting block 7 can be pinched again by both hands when the pole piece is required to be wound, the limiting block 7 drives the clamping block 6 to move towards the side close to each other, the first spring 8 is compressed, then, after the two clamping blocks 6 are close to the inner side of the first limiting plate 3, and after the end surfaces of the two clamping blocks 6, which are far away from each other, are located between the inner sides of the first limiting plate 3, the limiting block 7 can be loosened, and the fixed shaft 5 is manually pushed towards the middle position of the first limiting plate 3, the fixed shaft 5 drives the two clamping blocks 6 to move together, when the two clamping blocks 6 move to the middle position of the first limiting plate 3, at this time, the first spring 8 drives the clamping blocks 6 to move towards the far away side, the clamping blocks 6 can be automatically clamped into the rotating sleeve 4, so that the fixed shaft 5 can be conveniently installed, the limiting block 7 is clamped onto the rotating sleeve 4, the limiting block 7 can limit the circumferential rotation of the clamping blocks 6, when the clamping blocks 6 move towards the far away side, the right clamping blocks 6 can push the push rod 130 to the right, the push rod 130 can push the moving frame 13 to the right, the movable frame 13 drives the left first limiting plate 3 to move rightwards, the movable frame 13 moves rightwards through the cooperation among the first rack 11, the first gear 12 and the second rack 14, the right first limiting plate 3 is driven to move leftwards, so that the two first limiting plates 3 can drive the second limiting plates 9 to move to the left side and the right side of the fixed shaft 5 together, then one end of a pole piece is pulled out and wound on the fixed shaft 5, the servo motor 2 can be started, the servo motor 2 drives the rotary sleeve 4 to rotate, the rotary sleeve 4 rotates to drive the clamping block 6 to rotate through the limiting block 7, the clamping block 6 drives the fixed shaft 5 to rotate and wind the pole piece, the first limiting plates 3 and the second limiting plates 9 are kept motionless, the first limiting plates 3 and the second limiting plates 9 can limit the left side and the right side of the pole piece, the pole piece is prevented from being wound, the pole piece is wound out of the fixed shaft 5, and the servo motor 2 can be turned off after winding is completed.
Example 2: on the basis of embodiment 1, as shown in fig. 6, the pole piece fixing device further comprises a guide plate 16, a third spring 17 and a fixing component, wherein the guide plate 16 for guiding the pole piece is connected between the first limiting plates 3 in a sliding mode, the third spring 17 is connected between the left side and the right side of the guide plate 16 and the first limiting plates 3, and the fixing component for fixing the end portion of the pole piece is arranged at the front portion of the fixing shaft 5.
As shown in fig. 7-8, the fixing assembly comprises an electric sliding block 18 and a first needle plate 19, an insertion port 181 is formed in the inner front portion of the fixing shaft 5, the insertion port 181 is slidably connected with the first needle plate 19 for fixing the pole piece, a plurality of round holes 20 are uniformly formed in the front portion of the insertion port 181, the round holes 20 are matched with the first needle plate 19, the electric sliding block 18 is slidably connected to the left portion of the insertion port 181, and the electric sliding block 18 is connected with the first needle plate 19.
Before winding the pole piece, insert the inserted hole 181 with the one end of pole piece along deflector 16 top, after inserting, control electronic slider 18 downwardly moving, electronic slider 18 then electronic first faller 19 downwardly moving, first faller 19 then inserts in round hole 20, first faller 19 can be with the pole piece chucking, can avoid fixed axle 5 when the pole piece of winding appears, the circumstances that pole piece and fixed axle 5 break away from, then fixed axle 5 can slowly wind the pole piece when rotating, the pole piece is more and more on the fixed axle 5, and it is thicker and thicker, the pole piece can slowly promote deflector 16 forward, make third spring 17 compressed, deflector 16 rear end always and pole piece laminating, like this when fixed axle 5 winding pole piece, deflector 16 also can play the effect of smoothing out the plane to the pole piece, take off fixed axle 5 and pole piece after the pole piece is wound, like this third spring 17 can drive deflector 16 backward movement reset.
As shown in fig. 9-10, the device further comprises a moving plate 21, a fourth spring 22, a fifth spring 23, a pushing plate 24 and an extrusion assembly, wherein the moving plate 21 is connected to the upper part in the first limiting plate 3 in a sliding manner, the fourth spring 22 is connected between the top of the moving plate 21 and the first limiting plate 3, the pushing plate 24 for pushing the pole piece is connected to the first limiting plate 3 in a sliding manner, the pushing plate 24 is positioned below the moving plate 21, two fifth springs 23 are connected between the top of the pushing plate 24 and the bottom of the moving plate 21, the extrusion assembly is arranged between the moving plate 21 and the fixed shaft 5, and the moving plate 21 can be intermittently pushed to move up and down through the extrusion assembly; the extrusion subassembly is including extrusion rod 25 and extrusion piece 26, and the movable plate 21 bottom all is connected with extrusion rod 25, and fixed axle 5 left and right sides is evenly connected with extrusion piece 26 along the circumferencial direction, extrusion piece 26 and extrusion rod 25 extrusion cooperation.
In order to enable the pole piece to be wound tightly, a pushing plate 24 is arranged, the extrusion block 26 is driven to rotate when the fixed shaft 5 rotates, the extrusion block 26 drives the extrusion rod 25 to move upwards when rotating the extrusion rod 25, the extrusion rod 25 drives the movable plate 21, the fifth spring 23 and the pushing plate 24 to move upwards, the fourth spring 22 is compressed, when the extrusion block 26 rotates and does not extrude the extrusion rod 25, the movable plate 21, the fifth spring 23 and the pushing plate 24 are driven to move downwards to reset under the action of the fourth spring 22, the operation is repeated, the pushing plate 24 continuously moves up and down to push the pole piece, and under the action of the fifth spring 23, the pushing plate 24 can be kept in a state close to the pole piece, so that winding is tighter.
As shown in fig. 11, the rotary column 27 and the rotary drum 28 are further included, the rotary column 27 is rotatably connected to the rear portion of the guide plate 16, and the rotary drum 28 is connected to the rotary column 27.
In the process of winding the pole pieces, the rotary drum 28 is always in a joint state with the pole pieces, the pole pieces can drive the rotary drum 28 to rotate, friction force between the rotary drum 28 and the pole pieces can be reduced, and abrasion of the pole pieces can be avoided.
As shown in fig. 12, the needle further comprises a third rack 29, a second gear 30 and a second needle plate 31, the second needle plate 31 is slidably connected to the insertion port 181, the third rack 29 is connected to the left part of the second needle plate 31 and the left part of the first needle plate 19, the second gear 30 is rotatably connected to the left part of the insertion port 181, and the second gear 30 is meshed with the third rack 29.
When the second limiting plate 9 moves downwards, the third rack 29 at the front part is driven to move downwards, the third rack 29 at the front part drives the third rack 29 at the rear part to move upwards through the second gear 30, and the third rack 29 at the rear part drives the second needle plate 31 to move upwards when moving forwards, so that the second needle plate 31 can strengthen the fixed pole piece.
Example 3: the pole piece winding method for lithium battery production comprises the following steps:
S1, manually pinching the limiting blocks 7, inserting the fixed shaft 5 between the first limiting plates 3, driving the clamping blocks 6 to move and clamp into the rotating sleeve 4 through the first springs 8, and then installing the fixed shaft 5;
S2, when the fixed shaft 5 is installed, the clamping block 6 pushes the pushing rod 130 rightwards, the pushing rod 130 pushes the movable frame 13 rightwards, and the first limiting plate 3 is driven to move towards one side close to each other to limit the pole piece;
S3, inserting one end of the pole piece into the insertion port 181, and fixing the pole piece through the first needle plate 19 and the second needle plate 31 so as to roll the pole piece;
S4, starting the servo motor 2, driving the fixed shaft 5 to wind the pole piece, and continuously moving the pushing plate 24 up and down to push the pole piece tightly in the process of winding the pole piece;
S5, after the pole piece is rolled, the fixed shaft 5 and the pole piece are disassembled.
The foregoing has outlined rather broadly the more detailed description of the application in order that the detailed description of the principles and embodiments of the application may be implemented in conjunction with the detailed description of the application that follows, the examples being merely intended to facilitate an understanding of the method of the application and its core concepts; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. The utility model provides a pole piece coiler for lithium cell production, including supporting seat (1), servo motor (2), first limiting plate (3) and swivel sleeve (4), be equipped with servo motor (2) on supporting seat (1), supporting seat (1) symmetry slidingtype is connected with first limiting plate (3), supporting seat (1) symmetry rotation is connected with swivel sleeve (4), servo motor (2) and similar swivel sleeve (4) are through connecting, a serial communication port, still including fixed axle (5), block (6) are gone into to the card, limiting block (7), first spring (8), spacing subassembly and pushing subassembly, swivel sleeve (4) joint has block (6) of going into, sliding connection has fixed axle (5) between block (6) are gone into in the card, swivel sleeve (4) symmetry is provided with limited block (7), limiting block (7) and swivel sleeve (4) joint cooperation, be connected with first spring (8) between block (6) and fixed axle (5), first limiting plate (3) are equipped with spacing subassembly, be equipped with between supporting seat (1) and the first pushing subassembly.
2. The pole piece winding machine for lithium battery production according to claim 1, wherein the limiting assembly comprises a second limiting plate (9) and a magnet block (10), and the second limiting plate (9) is respectively adsorbed on the first limiting plate (3) through magnetism of the magnet block (10).
3. The pole piece winder for lithium battery production according to claim 2, wherein the pushing assembly comprises a first rack (11), a first gear (12), a moving frame (13), a pushing rod (130), a second rack (14) and a second spring (15), wherein the first limiting plate (3) on one side far away from the servo motor (2) is symmetrically connected with the first rack (11), the moving frame (13) is connected in the supporting seat (1) in a sliding manner, one side of the moving frame (13) far away from the first rack (11) is fixedly connected with the similar first limiting plate (3), one side of the moving frame (13) close to the first rack (11) is connected with the second rack (14), one side of the supporting seat (1) close to the first rack (11) is rotatably connected with the first gear (12), the first gear (12) is respectively meshed with the similar first rack (11) and the second rack (14), the rotating sleeve (4) on one side close to the first rack (12) is connected with the pushing rod (130) in a sliding manner, the pushing rod (130) is matched with the moving frame (13) in a pressing manner, and the second rack (13) is connected with the second spring (15).
4. A pole piece winder for producing a lithium battery according to claim 3, further comprising a guide plate (16), a third spring (17) and a fixing component, wherein the guide plate (16) is connected between the first limiting plates (3) in a sliding manner, the third spring (17) is connected between the guide plate (16) and the first limiting plates (3), and the fixing shaft (5) is provided with the fixing component.
5. The pole piece winder for lithium battery production according to claim 4, wherein the fixing assembly comprises an electric sliding block (18) and a first needle plate (19), an insertion opening (181) is formed in the fixing shaft (5), the insertion opening (181) is slidably connected with the first needle plate (19), a plurality of round holes (20) are uniformly formed in the insertion opening (181), the round holes (20) are matched with the first needle plate (19), the insertion opening (181) is slidably connected with the electric sliding block (18), and the electric sliding block (18) is connected with the first needle plate (19).
6. The pole piece winder for lithium battery production according to claim 5, further comprising a movable plate (21), a fourth spring (22), a fifth spring (23), a pushing plate (24) and an extrusion assembly, wherein the movable plate (21) is slidably connected to one side, far away from the fixed shaft (5), of the first limiting plate (3), the fourth spring (22) is connected between the top of the movable plate (21) and the first limiting plate (3), the pushing plate (24) is slidably connected to one side, close to the fixed shaft (5), of the first limiting plate (3), the fifth spring (23) is symmetrically arranged between the pushing plate (24) and the movable plate (21), and the extrusion assembly is arranged between the movable plate (21) and the fixed shaft (5).
7. The pole piece winding machine for lithium battery production according to claim 6, wherein the extrusion assembly comprises an extrusion rod (25) and an extrusion block (26), the movable plate (21) is connected with the extrusion rod (25), the fixed shaft (5) is symmetrically and uniformly connected with the extrusion block (26), and the extrusion block (26) is in extrusion fit with the extrusion rod (25).
8. The pole piece winder for producing the lithium battery according to claim 7, further comprising a rotating column (27) and a rotating drum (28), wherein the rotating column (27) is rotatably connected to the guide plate (16), and the rotating drum (28) is connected to the rotating column (27).
9. The pole piece winder for producing the lithium battery according to claim 8, further comprising a third rack (29), a second gear (30) and a second needle plate (31), wherein the second needle plate (31) is connected in the insertion opening (181) in a sliding manner, the third rack (29) is connected with the second needle plate (31) and the first needle plate (19), the second gear (30) is connected to one side of the insertion opening (181) close to the third rack (29) in a rotating manner, and the second gear (30) is meshed with the third rack (29).
10. A method for winding a pole piece for producing a lithium battery according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
S1, manually pinching the limiting blocks (7), inserting the fixed shaft (5) between the first limiting plates (3), driving the clamping blocks (6) to move and clamp into the rotating sleeve (4) through the first springs (8), and installing the fixed shaft (5);
S2, when the fixed shaft (5) is installed, the clamping block (6) pushes the pushing rod (130) rightwards, the pushing rod (130) pushes the moving frame (13) rightwards, and the first limiting plate (3) is driven to move towards one side close to each other to limit the pole piece;
S3, inserting one end of the pole piece into the insertion port (181), and fixing the pole piece through the first needle plate (19) and the second needle plate (31) so as to roll the pole piece;
S4, starting the servo motor (2), driving the fixed shaft (5) to roll the pole piece, and continuously moving the pushing plate (24) up and down to push the pole piece tightly in the process of rolling the pole piece;
S5, after the pole piece is rolled, the fixed shaft (5) and the pole piece are disassembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410273560.8A CN117936931A (en) | 2024-03-11 | 2024-03-11 | Pole piece winding machine and winding method for lithium battery production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410273560.8A CN117936931A (en) | 2024-03-11 | 2024-03-11 | Pole piece winding machine and winding method for lithium battery production |
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| Publication Number | Publication Date |
|---|---|
| CN117936931A true CN117936931A (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410273560.8A Withdrawn CN117936931A (en) | 2024-03-11 | 2024-03-11 | Pole piece winding machine and winding method for lithium battery production |
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| CN (1) | CN117936931A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118387700A (en) * | 2024-06-13 | 2024-07-26 | 深圳市力普森科技有限公司 | Cylindrical winding hub |
-
2024
- 2024-03-11 CN CN202410273560.8A patent/CN117936931A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118387700A (en) * | 2024-06-13 | 2024-07-26 | 深圳市力普森科技有限公司 | Cylindrical winding hub |
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