CN110635173A - Z-type lamination device for battery core lamination - Google Patents
Z-type lamination device for battery core lamination Download PDFInfo
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- CN110635173A CN110635173A CN201910779399.0A CN201910779399A CN110635173A CN 110635173 A CN110635173 A CN 110635173A CN 201910779399 A CN201910779399 A CN 201910779399A CN 110635173 A CN110635173 A CN 110635173A
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- lamination
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a Z-type lamination device for battery cell lamination, which comprises a rack, a lamination table, a moving mechanism movably arranged on the rack and a first conveying mechanism for conveying a diaphragm to the lamination table, wherein second conveying mechanisms for conveying a positive electrode sheet and a negative electrode sheet are respectively arranged on two opposite sides above the lamination table, the second conveying mechanisms are fixed on the rack, and the first conveying mechanism fixed on the rack is arranged between the two second conveying mechanisms; pressing mechanisms for pressing and holding the pole pieces on the lamination table are symmetrically arranged on two sides of the lamination table; the lamination platform can realize the lamination of the pole pieces in the battery cell through reciprocating motion, so that the lamination efficiency of the pole pieces is improved.
Description
Technical Field
The invention relates to the technical field of lithium ion batteries, in particular to a Z-type lamination device for battery cell lamination.
Background
With the development of battery technology and the increase of energy density of batteries, lithium batteries have been able to meet more demands, so the market demand for batteries is also continuously increasing. The lithium battery mainly comprises a battery core and a shell, the battery core mainly comprises a pole piece diaphragm, the positive pole piece and the negative pole piece are stacked on the lamination table in sequence through a mechanical arm which slides in a reciprocating mode in the manufacturing process of the conventional lithium ion battery core, the lamination is completed by using a fixed lamination table or a reciprocating lamination table, the lamination efficiency is low, and the lamination consistency is poor.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides the Z-type laminating device for the lamination of the battery cell, the lamination of the pole pieces in the battery cell can be realized through the reciprocating motion of the lamination table, and the lamination efficiency of the pole pieces is improved.
The invention provides a Z-type lamination device for battery cell lamination, which comprises a rack, a lamination table, a moving mechanism movably arranged on the rack and a first conveying mechanism for conveying a diaphragm to the lamination table, wherein second conveying mechanisms for conveying a positive electrode sheet and a negative electrode sheet are respectively arranged on two opposite sides above the lamination table, the second conveying mechanisms are fixed on the rack, and the first conveying mechanism fixed on the rack is arranged between the two second conveying mechanisms; the two sides of the lamination table are symmetrically provided with pressing mechanisms for pressing and holding the pole piece on the lamination table, the pressing mechanisms are fixed on the moving mechanism, and the lamination table and the pressing mechanisms are fixedly arranged on the moving mechanism to realize movement.
Furthermore, the moving mechanism comprises a horizontal moving mechanism, a lifting mechanism fixed on the horizontal moving mechanism and a deviation rectifying mechanism for rectifying deviation of the operation of the lamination table, the driving end of the lifting mechanism is connected with a supporting platform arranged on the lower surface of the lamination table, the deviation rectifying mechanism is fixedly connected with the supporting platform, and the horizontal moving mechanism is movably arranged on the rack so as to drive the lamination table to move.
Furthermore, the horizontal moving mechanism comprises a linear motor, a guide rail sliding mechanism and a moving platform, the lamination table is arranged on the moving platform, the guide rail sliding mechanisms are arranged on two opposite sides of the upper surface of the rack, the linear motor driving end fixed on the upper surface of the rack is connected with the moving platform, and the linear motor drives the movement direction of the lamination table to be parallel to the axial direction of the guide rail sliding mechanism; the lower surface of the lamination table is provided with a first roller matched with the guide rail sliding mechanism so as to realize the horizontal movement of the lamination table on the guide rail sliding mechanism.
Furthermore, the lifting mechanism comprises a lifting driving mechanism, a first ball screw mechanism and a first guide rail slider mechanism used for supporting the lamination table to move up and down, one end of the first ball screw mechanism is fixed on a moving platform of the horizontal moving mechanism, the other end of the first ball screw mechanism is connected to the output end of the lifting driving mechanism, a second plate is fixed on the first ball screw mechanism, the other end of the second plate is fixedly connected with the deviation correcting mechanism, and the lifting driving mechanism drives the deviation correcting mechanism to drive the lamination table to move up and down along the first ball screw mechanism.
The lifting driving mechanism and the first ball screw mechanism are arranged in parallel in the frame of the lifting platform, the output end of the lifting driving mechanism and the top end of the first ball screw mechanism are respectively connected with a synchronous wheel, the two synchronous wheels are connected through a synchronous belt, and the lifting driving mechanism drives the first ball screw mechanism to move up and down by driving the rotation between the synchronous wheels.
Further, the deviation correcting mechanism comprises a deviation correcting driving mechanism, a second ball screw mechanism, a second guide rail sliding block mechanism and a deviation correcting plate, the deviation correcting driving mechanism is fixed on the horizontal moving mechanism, one end of the second ball screw mechanism is connected to the output end of the deviation correcting driving mechanism, a third plate is fixed on the second ball screw mechanism, the other end of the third plate is fixedly connected with the deviation correcting plate, the third plate at the connection part of the deviation correcting plate and the second guide rail sliding block mechanism can be connected in a sliding manner,
Furthermore, the pressing mechanism comprises a pressing knife and a pressing knife driving mechanism fixed on the horizontal moving mechanism, the output end of the pressing knife driving mechanism is connected with one end of the pressing knife, and the other end of the pressing knife is in free contact with the lamination table; the pressing mechanism comprises a lifting mechanism and a first moving driving mechanism, the first moving driving mechanism is fixed on the horizontal moving mechanism, the output end of the lifting mechanism is connected with one end of the pressing knife to drive the pressing knife to move up and down, and the output end of the first moving driving mechanism is connected with the lifting mechanism to drive the pressing knife to move left and right;
furthermore, the lifting mechanism comprises a lifting cylinder, a third guide rail sliding block mechanism and a lamination support fixed on the horizontal moving mechanism, the third guide rail sliding block mechanism is fixedly arranged on the lamination support, and the lifting cylinder is movably fixed on the lamination support through the third guide rail sliding block mechanism; the output end of the lifting cylinder is connected with one end of the pressing knife to drive the pressing knife to move up and down, and the output end of the first moving driving mechanism is fixedly connected with the lifting cylinder to drive the lifting cylinder to move left and right along the third guide rail sliding block mechanism.
Further, the second conveying mechanism comprises a stand column and a pole piece fixing mechanism, one end of the stand column is fixed on the rack, the other end of the stand column is fixed with a linear module, the output end of the linear module is fixedly connected with the fixed end of the pole piece fixing mechanism, and a pole piece is fixed by a clamping end of the pole piece fixing mechanism; the pole piece fixing mechanism comprises a first fixing plate, a first driving mechanism and a sucker, the first fixing plate is fixedly connected with the output end of the linear module, the fixed end of the first driving mechanism is connected with the first fixing plate, the output end of the first driving mechanism is connected with the fixed end of the sucker so as to drive the sucker to move, and a pole piece is fixed at the adsorption end of the sucker;
furthermore, the first driving mechanism comprises a first air cylinder and a sucker support, the first air cylinder is fixed on the first fixing plate, the output end of the first air cylinder is fixedly connected with one end of the sucker support, the other end of the sucker support is connected with the fixed end of the sucker, and the first air cylinder drives the sucker support to drive the sucker to move.
Further, the first conveying mechanism comprises two diaphragm rollers and a diaphragm cavity for placing a diaphragm, and the two diaphragm rollers are respectively arranged on two opposite sides of an outlet of the diaphragm cavity; the moving mechanism moves between the two opposite second conveying mechanisms.
The Z-type lamination device for the battery cell lamination provided by the invention has the advantages that: according to the Z-type laminating device for the battery cell lamination, provided by the invention, the lamination of the pole pieces in the battery cell can be realized through reciprocating motion of the laminating table, so that the laminating efficiency of the pole pieces is improved, meanwhile, the first conveying mechanism is placed between the two second conveying mechanisms, and the diaphragm can be directly arranged between the pole pieces in a reciprocating mode along with the motion of the laminating table, so that the laminating quality of the pole pieces is further realized; the lifting mechanism enables the device to adapt to the requirements of pole pieces of different specifications on lamination, thereby realizing the effect of eliminating the thickness difference of the pole pieces; the deviation rectifying mechanism rectifies the diaphragm in the lamination process of the lamination machine so as to improve the fit degree of the diaphragm and the pole piece on the lamination table and improve the lamination quality; when the pressing knife needs to be pulled out, the air source of the lifting cylinder is exhausted, so that the pressing knife is separated from the pole piece on the lamination table, then the first moving driving mechanism stretches and retracts to drive the pressing knife to be separated from the lamination table, the pressing knife is not contacted with the battery pole piece when being pulled out, indentation friction of the battery pole piece caused by the pressure friction when the pressing knife is pulled out is fundamentally eliminated, and the consistency and the quality of a product are improved.
Drawings
Fig. 1 is a schematic structural diagram of a Z-type lamination device for cell lamination according to the present invention;
FIG. 2 is a structural diagram of the moving mechanism and the deviation correcting mechanism in FIG. 1;
fig. 3 is a plan view of the moving mechanism and the first conveying mechanism;
FIG. 4 is a schematic structural view of a horizontal movement mechanism;
FIG. 5 is a schematic structural view of the lifting mechanism;
FIG. 6 is a detailed structural diagram of the lifting mechanism in FIG. 5;
FIG. 7 is a schematic structural view of the pressing mechanism;
FIG. 8 is a schematic structural diagram of a deviation correcting mechanism;
wherein, 1-a frame, 2-a laminating table, 3-a moving mechanism, 4-a pressing mechanism, 6-a second conveying mechanism, 7-a first conveying mechanism, 21-a lifting table, 22-a supporting platform, 31-a horizontal moving mechanism, 32-a lifting mechanism, 33-a deviation correcting mechanism, 41-a pressing knife, 42-a lifting cylinder, 43-a third guide rail sliding block mechanism, 44-a first moving driving mechanism, 45-a laminating support, 61-a column, 62-a pole piece fixing mechanism, 63-a linear module, 71-a diaphragm roller, 621-a first fixing plate, 622-a sucker, 623-a first cylinder, 624-a sucker support, 311-a linear motor, 312-a guide rail sliding mechanism, 313-a moving platform and 321-a lifting driving mechanism, 322-a first ball screw mechanism, 323-a first guide rail sliding block mechanism, 324-a synchronous wheel, 325-a second plate, 331-a deviation-rectifying driving mechanism, 332-a second ball screw mechanism, 333-a second guide rail sliding block mechanism 334-a deviation-rectifying plate, 335-a first plate, 336-a third plate, 337-a first limiting block, 411-a first press knife, 412-a third press knife, 421-a first lifting cylinder, 422-a third lifting cylinder, 441-a first moving cylinder, 442-a first moving cylinder, 511-a second press knife, 512-a fourth press knife, 521-a second lifting cylinder, 522-a fourth lifting cylinder, 541-a second moving cylinder and 542-a second moving cylinder.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Referring to fig. 1 to 8, the Z-type lamination device for battery cell lamination provided by the invention comprises a rack 1, a lamination table 2, a moving mechanism 3 movably arranged on the rack 1, and a first conveying mechanism 7 for conveying a diaphragm to the lamination table 2, wherein second conveying mechanisms 6 for conveying positive and negative plates are respectively arranged on two opposite sides above the lamination table 2, the second conveying mechanisms 6 are fixed on the rack 1, and the first conveying mechanism 7 fixed on the rack 1 is arranged between the two second conveying mechanisms 6; the two sides of the lamination table 2 are symmetrically provided with pressing mechanisms 4 for pressing and holding the pole pieces on the lamination table 2, the pressing mechanisms 4 are fixed on the moving mechanism 3, and the lamination table 2 and the pressing mechanisms 4 are fixedly arranged on the moving mechanism 3 to realize movement.
The lamination platform 2 moves below the two second conveying mechanisms 6 through the moving mechanism 3, the moving mechanism 3 preferably moves between the two opposite second conveying mechanisms 6, the two second conveying mechanisms 6 respectively convey pole pieces to the lamination platform in the moving process, lamination of the pole pieces in the battery cell can be achieved through reciprocating motion of the lamination platform 2, the lamination efficiency of the pole pieces is improved, meanwhile, the first conveying mechanism 7 is placed between the two second conveying mechanisms 6, the diaphragm can be directly arranged between the pole pieces in a reciprocating mode along with the movement of the lamination platform 2, and the lamination quality of the pole pieces is further achieved.
As shown in fig. 3, the moving mechanism 3 includes a horizontal moving mechanism 31, a lifting mechanism 32 fixed on the horizontal moving mechanism 31, and a deviation rectifying mechanism 33 for rectifying deviation of the operation of the lamination table 2, and a driving end of the lifting mechanism 32 is arranged on the lower surface of the lamination table 2; the horizontal movement mechanism 31 is movably provided on the frame 1 to drive the movement of the lamination stage 2.
The lamination platform 2 horizontally moves back and forth through the horizontal moving mechanism 31 and moves up and down through the lifting mechanism 32, and the lifting mechanism 32 enables the device to adapt to the requirements of pole pieces of different specifications on lamination, so that the effect of eliminating the thickness difference of the pole pieces is realized; the lifting mechanism 32 is arranged on the horizontal moving mechanism 31, so that the lamination table 2 can be directly lifted in the front and back movement process.
As shown in fig. 4, the horizontal moving mechanism 31 includes a linear motor 311, a guide rail sliding mechanism 312 and a moving platform 313, the lamination table 2 is disposed on the moving platform 313, the guide rail sliding mechanisms 312 are disposed on two opposite sides of the upper surface of the frame 1, a driving end of the linear motor 311 fixed on the upper surface of the frame 1 is connected with the moving platform 313, and a moving direction of the linear motor 311 driving the lamination table 2 is axially parallel to the guide rail sliding mechanism 312; the lower surface of the lamination table 2 is provided with a first roller engaged with the rail sliding mechanism 312 to realize the horizontal movement of the lamination table 2 on the rail sliding mechanism 312.
As shown in fig. 5 and 6, the lifting mechanism 32 may be provided in number of 1 to several, preferably, to realize stable movement of the lamination stage 2; in this embodiment, the lifting mechanism 32 is disposed at one side of the lower portion of the lamination table 2, and drives the supporting platform 22 to support the lamination table 2 to move up and down, so as to avoid the defect that the lamination table 2 is inclined in the moving process. The lifting mechanism 32 comprises a lifting driving mechanism 321, a first ball screw mechanism 322 and a first guide rail slider mechanism 323 for supporting the lamination table 2 to move up and down, the lifting driving mechanism 321 is fixed on the moving platform 313 of the horizontal moving mechanism 31, the first guide rail slider mechanism 323 is fixed on one side of the lifting table 21 and is connected with one side of the first plate 335 of the deviation correcting mechanism 33 in a sliding manner, so that the lifting driving mechanism 321 drives the deviation correcting mechanism 33 to move up and down, and the lamination table 2 connected with the deviation correcting mechanism 33 is driven to move up and down. One end of the first ball screw mechanism 322 is fixed on the moving platform 313 of the horizontal moving mechanism 31, the other end is connected to the output end of the lifting driving mechanism 321, the first ball screw mechanism 322 is fixed with the second plate 325, the other end of the second plate 325 is fixedly connected with the first plate 335 of the deviation correcting mechanism 33, the second plate 325 moves along the direction of the first guide rail sliding block mechanism 323 along with the movement of the first ball screw mechanism 322, and then drives the deviation correcting mechanism 33 to move, the deviation correcting mechanism 33 is fixedly connected with the supporting platform 22, and then the movement of the deviation correcting mechanism 33 drives the supporting platform 22 to move up and down. The moving direction of the first ball screw mechanism 322 coincides with the moving guide of the first rail slider mechanism 323,
as shown in fig. 6, the lifting driving mechanism 321 and the first ball screw mechanism 322 are disposed in parallel in the frame of the lifting platform, the output end of the lifting driving mechanism 321 and the top end of the first ball screw mechanism 322 are respectively connected to a synchronous wheel 324, the two synchronous wheels are connected through a synchronous belt, the lifting driving mechanism 321 drives the synchronous wheels 324 to rotate, and the first ball screw mechanism 322 is driven to move up and down through the forward and reverse rotation of the lifting driving mechanism 321. The elevating driving mechanism 321 may employ a servo motor.
As shown in fig. 8, the deviation rectifying mechanism 33 includes a deviation rectifying driving mechanism 331, a second ball screw mechanism 332, a deviation rectifying table, a second guide rail slider mechanism 333 and a deviation rectifying plate 334, the deviation rectifying driving mechanism 331 is fixed on the horizontal moving mechanism 31, the deviation rectifying table includes a first plate 335 and a fourth plate 338, the two fourth plates 338 are respectively connected to two ends of the first plate 335, the other ends of the two fourth plates 338 are fixedly connected to the supporting platform 22 for supporting the lamination table 2, the first plate 335 and the two fourth plates 338 form a cavity for placing the deviation rectifying mechanism 33, one end of the second ball screw mechanism 332 is connected to the output end of the deviation rectifying driving mechanism 331, the other end is supported by a supporting plate, a bearing is arranged between the second ball screw mechanism 332 and the supporting plate, so that the second ball screw mechanism 332 can move without friction basically during the movement, the second ball screw mechanism 332 is fixed with a third plate 336, the other end of the third plate 336 is fixedly connected with the deviation-correcting plate 334 through the fourth plate 338, the third plate 336 at the connection position with the deviation-correcting plate 334 is slidably connected with the second guide rail slider mechanism 333, the second ball screw mechanism 332 is sleeved with a first limiting block 337, the first limiting blocks 337 are arranged on two sides of the third plate 336 to clamp and fix the third plate 336, the fixing stability of the third plate 336 on the second ball screw mechanism 332 is ensured, the phenomenon that the third plate 336 slips between the second ball screw mechanism 332 and the third plate 336 in the movement process is avoided, a U-shaped hole is formed in the fourth plate 338, the third plate 336 penetrates through the U-shaped hole and is fixedly connected with the deviation-correcting plate 334, and the third plate 336 is not affected by the fourth plate 338 in the movement process due to the arrangement of the U-shaped hole.
The deviation-rectifying driving mechanism 331 adopts a servo motor, when the diaphragm on the lamination table 2 inclines or the pole piece on the lamination table 2 cannot be effectively attached to the diaphragm, the deviation-rectifying driving mechanism 331 drives the second ball screw mechanism 332 to move, drives the third plate 336 to move along the second guide rail slider mechanism 333, further drives the deviation-rectifying plate 334 fixed on the third plate 336 to move, and drives the diaphragm to move back and forth through friction with the diaphragm on the deviation-rectifying plate 334, so as to realize deviation rectification of the diaphragm. The second rail slider mechanism 333 is a linear rail.
As shown in fig. 7, the pressing and holding mechanism includes a pressing knife 41 and a pressing knife driving mechanism fixed on the horizontal moving mechanism 31, an output end of the pressing knife driving mechanism is connected with one end of the pressing knife 41, and the other end of the pressing knife 41 is in free contact with the lamination table 2; the pressing knife driving mechanism comprises a lifting mechanism and a first moving driving mechanism 44, the first moving driving mechanism 44 is fixed on the horizontal moving mechanism 31, the output end of the lifting mechanism is connected with one end of the pressing knife 41 to drive the pressing knife 41 to move up and down, and the output end of the first moving driving mechanism 44 is connected with the lifting mechanism to drive the pressing knife 41 to move left and right; the first movement driving mechanism 441 employs an air cylinder fixed to the moving platform 313 of the horizontal moving mechanism 31 by a fixing plate.
The lifting mechanism comprises a lifting cylinder 42, a third guide rail sliding block mechanism 43 and a lamination support 45 fixed on the horizontal moving mechanism 31, the third guide rail sliding block mechanism 43 is fixedly arranged on the lamination support 45, and the lifting cylinder 42 is movably fixed on the lamination support 45 through the third guide rail sliding block mechanism 43; the output end of the lifting cylinder 42 is connected with one end of the pressing knife 41 to drive the pressing knife 41 to move up and down, and the output end of the first moving driving mechanism 44 is fixedly connected with the lifting cylinder 42 to drive the lifting cylinder 42 to move left and right along the third guide rail slider mechanism 43. When the pressing blade 41 needs to be pulled out in a pressing and holding state of the pressing blade 41 and the lamination table 2, the air source of the lifting air cylinder 42 is exhausted, so that the pressing blade 41 is separated from contact with the pole piece on the lamination table 2, then the first movable driving mechanism 44 stretches and retracts to drive the pressing blade 41 to leave the lamination table 2, the pressing blade 41 is not in contact with the battery pole piece when being pulled out, indentation friction of the battery pole piece caused by pressure friction when the pressing blade 41 is pulled out is fundamentally eliminated, and the consistency and the quality of a product are improved.
As shown in fig. 1 and 2, the second conveying mechanism 6 includes a column 61 and a pole piece fixing mechanism 62, one end of the column 61 is fixed on the frame 1, the other end of the column 61 is fixed with a linear module 63, the output end of the linear module 63 is fixedly connected with the fixed end of the pole piece fixing mechanism 62, and the pole piece is fixed by the clamping end of the pole piece fixing mechanism 62; pole piece fixed establishment 62 includes first fixed plate 621, first actuating mechanism and sucking disc 622, first fixed plate 621 and straight line module 63's output fixed connection, and first actuating mechanism's stiff end is connected with first fixed plate 621, the output is connected with the stiff end of sucking disc 622 to drive the motion of sucking disc 622, the sucking disc 622's that the absorption end is fixed with the pole piece.
The first driving mechanism comprises a first air cylinder 623 and a sucker support 624, the first air cylinder 623 is fixed on the first fixing plate 621, the output end of the first air cylinder 623 is fixedly connected with one end of the sucker support 624, the other end of the sucker support 624 is connected with the fixed end of the sucker 624, and the first air cylinder 623 drives the sucker support 624 to drive the sucker 624 to move. The direction of movement of the two linear modules 63 intersects the direction of forward and backward movement of the lamination station 2, preferably being arranged perpendicularly to both directions.
As shown in fig. 3, the first conveying mechanism 7 includes two membrane rollers 71 and a membrane chamber for placing a membrane, and the two membrane rollers 71 are respectively arranged at two opposite sides of an outlet of the membrane chamber to guide the movement of the membrane;
the working process is as follows: two pressing and holding mechanisms 4 are arranged on the same side of the lamination table 2, namely 4 pressing and holding mechanisms 4 are arranged on two sides of the lamination table 2, when the lamination table 2 works, the initial position of the lamination table 2 is on the rightmost side, the diaphragm penetrates out of the space between two diaphragm rollers 71 of a first conveying mechanism 7, the pressing knives on two opposite pressing and holding mechanisms 4 close to a second conveying mechanism 6 on the right side are in a pressing state, the diaphragm is fixed on the lamination table 2, the other two pressing and holding mechanisms 4 are in a loose state and are not in contact with the diaphragm, namely, a third pressing knife 412 and a fourth pressing knife 512 in the drawing 7 are in a pressing state, a first pressing knife 411 and a second pressing knife 511 are in a loose state, the second conveying mechanism 6 on the right side works, a linear module 63 drives a first fixing plate 621 to move so as to drive a first air cylinder 623 fixed on the first fixing plate 621 to move, and when the first air cylinder 623 moves to a set position on the lamination table 2, the linear module 63 stops moving, the first air cylinder 623 drives the suction cup support 624 to move towards the lamination table 2, so that the suction cup 624 adsorbed with the positive/negative electrode sheet moves towards the lamination table 2, the electrode sheet is placed on the lamination table 2, then the first lifting air cylinder 421 and the second lifting air cylinder 521 respectively drive the first pressing knife 411 and the second pressing knife 511 to move upwards, meanwhile, the first moving air cylinder 441 and the second moving air cylinder 541 extend, so that the first pressing knife 411 and the second pressing knife 511 approach towards the lamination table 2, and when the first pressing knife 411 and the second pressing knife 511 move to a set position right above the lamination table 2, the first lifting air cylinder 421 and the second lifting air cylinder 521 retract to drive the first pressing knife 411 and the second pressing knife 511 to press the electrode sheet on the lamination table 2.
Then the lamination table 2 pulls the membrane to move leftwards along with the horizontal moving mechanism 31, when the lamination table moves to the leftmost end, the first pressing knife 411 and the second pressing knife 511 are in a pressing state and are not moved, air sources of the third lifting cylinder 422 and the fourth lifting cylinder 522 are both exhausted, the third pressing knife 412 and the fourth pressing knife 512 respectively connected with the third lifting cylinder 422 and the fourth lifting cylinder 522 are kept in a loose state, friction with the membrane when the pressing knives are drawn away is reduced, the first moving cylinder 442 and the second moving cylinder 542 act to drive the third pressing knife 412 and the fourth pressing knife 512 to be separated from the membrane, then negative/positive plates are conveyed to be placed on the membrane of the lamination table 2 through the second conveying mechanism on the left side, then the first moving cylinder 442 and the second moving cylinder 542 act to press the third pressing knife 412 and the fourth pressing knife 512 against the pole pieces, then the lamination table 2 pulls the membrane to move rightwards along with the horizontal moving mechanism 31, the reciprocating motion is carried out Z-shaped lamination to obtain a pole piece with a certain lamination amount so as to complete lamination, and after the lamination is completed, the diaphragm is cut off through the existing cutter mechanism.
In the above reciprocating Z-type lamination, the lamination table 2 controls the lifting of the lamination table 2 through the lifting mechanism 32, so as to achieve the effect of eliminating the difference in the thickness of the pole pieces, the left and right deviation correcting mechanism 33 of the lamination table drives the deviation correcting plate to move, and then the deviation correcting plate 334 and the diaphragm are rubbed to drive the diaphragm to move, so as to achieve the deviation correction of the front and back directions of the diaphragm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A Z-type lamination device for battery cell lamination comprises a rack (1), a lamination table (2), a moving mechanism (3) movably arranged on the rack (1), and a first conveying mechanism (7) for conveying a diaphragm to the lamination table (2), and is characterized in that second conveying mechanisms (6) for conveying positive and negative plates are respectively arranged on two opposite sides above the lamination table (2), the second conveying mechanisms (6) are fixed on the rack (1), and the first conveying mechanism (7) fixed on the rack (1) is arranged between the two second conveying mechanisms (6);
the two sides of the lamination table (2) are symmetrically provided with pressing and holding mechanisms (4) used for pressing and holding the pole pieces on the lamination table (2), the pressing and holding mechanisms (4) are fixed on the moving mechanism (3), and the lamination table (2) and the pressing and holding mechanisms (4) are fixedly arranged on the moving mechanism (3) to realize movement.
2. The Z-type lamination device for the battery cell laminations, according to claim 1, is characterized in that the moving mechanism (3) comprises a horizontal moving mechanism (31), a lifting mechanism (32) fixed on the horizontal moving mechanism (31) and a deviation correcting mechanism (33) for correcting the running deviation of the lamination table (2), wherein the driving end of the lifting mechanism (32) is connected with a supporting platform (22) arranged on the lower surface of the lamination table (2), and the deviation correcting mechanism (33) is fixedly connected with the supporting platform (22); the horizontal moving mechanism (31) is movably arranged on the frame (1) to drive the lamination table (2) to move.
3. The Z-type lamination device for the cell laminations is characterized in that the horizontal moving mechanism (31) comprises a linear motor (311), a guide rail sliding mechanism (312) and a moving platform (313), the lamination table (2) is arranged on the moving platform (313), the guide rail sliding mechanisms (312) are arranged on two opposite sides of the upper surface of the rack (1), the driving end of the linear motor (311) fixed on the upper surface of the rack (1) is connected with the moving platform (313), and the moving direction of the linear motor (311) driving the lamination table (2) is axially parallel to the guide rail sliding mechanism (312);
the lower surface of the lamination table (2) is provided with a first roller matched with the guide rail sliding mechanism (312) so as to realize the horizontal movement of the lamination table (2) on the guide rail sliding mechanism (312).
4. The Z-type lamination device for the cell laminations is characterized in that the lifting mechanism (32) comprises a lifting driving mechanism (321), a first ball screw mechanism (322) and a first guide rail slider mechanism (323) for supporting the lamination table (2) to move up and down, one end of the first ball screw mechanism (322) is fixed on a moving platform (313) of the horizontal moving mechanism (31), the other end of the first ball screw mechanism is connected to the output end of the lifting driving mechanism (321), a second plate (325) is fixed on the first ball screw mechanism (322), the other end of the second plate (325) is fixedly connected with a deviation correcting mechanism (33), and the lifting driving mechanism (321) drives the deviation correcting mechanism (33) to drive the lamination table (2) to move up and down along the first ball screw mechanism (322);
the lifting driving mechanism (321) and the first ball screw mechanism (322) are arranged in parallel, the output end of the lifting driving mechanism (321) and the top end of the first ball screw mechanism (322) are respectively connected with a synchronizing wheel (324), the two synchronizing wheels (324) are connected through a synchronizing belt, and the lifting driving mechanism (321) drives the first ball screw mechanism (322) to move up and down by driving the rotation between the synchronizing wheels (324).
5. The Z-type lamination device of the cell lamination according to claim 2, wherein the deviation correcting mechanism (33) comprises a deviation correcting driving mechanism (331), a second ball screw mechanism (332), a second guide rail sliding block mechanism (333) and a deviation correcting plate (334), the deviation correcting driving mechanism (331) is fixed on the horizontal moving mechanism (31), one end of the second ball screw mechanism (332) is connected to the output end of the deviation correcting driving mechanism (331), a third plate (336) is fixed on the second ball screw mechanism (332), the other end of the third plate (336) is fixedly connected with the deviation correcting plate (334), and the third plate (336) at the connection position with the deviation correcting plate (334) is slidably connected with the second guide rail sliding block mechanism (333).
6. The Z-type lamination device for the cell laminations is characterized in that the pressing and holding mechanism comprises a pressing knife (41) and a pressing knife driving mechanism fixed on the horizontal moving mechanism (31), the output end of the pressing knife driving mechanism is connected with one end of the pressing knife (41), and the other end of the pressing knife (41) is in free contact with the lamination table (2);
the pressing and holding mechanism (4) comprises a lifting mechanism and a first moving driving mechanism (44), the first moving driving mechanism (44) is fixed on the horizontal moving mechanism (31), the output end of the lifting mechanism is connected with one end of the pressing knife (41) to drive the pressing knife (41) to move up and down, and the output end of the first moving driving mechanism (44) is connected with the lifting mechanism to drive the pressing knife (41) to move left and right.
7. The Z-type lamination device for the battery cell laminations, according to claim 6, is characterized in that the lifting mechanism comprises a lifting cylinder (42), a third guide rail slider mechanism (43) and a lamination support (45) fixed on the horizontal moving mechanism (31), the third guide rail slider mechanism (43) is fixedly arranged on the lamination support (45), and the lifting cylinder (42) is movably fixed on the lamination support (45) through the third guide rail slider mechanism (43); the output end of the lifting cylinder (42) is connected with one end of the pressing knife (41) to drive the pressing knife (41) to move up and down, and the output end of the first moving driving mechanism (44) is fixedly connected with the lifting cylinder (42) to drive the lifting cylinder (42) to move left and right along the third guide rail sliding block mechanism (43).
8. The Z-type lamination device for the battery cell laminations of any one of claims 1 to 7, wherein the second conveying mechanism (6) comprises a vertical column (61) and a pole piece fixing mechanism (62), one end of the vertical column (61) is fixed on the frame (1), the other end of the vertical column (61) is fixed with a linear module (63), the output end of the linear module (63) is fixedly connected with the fixed end of the pole piece fixing mechanism (62), and the pole piece is fixed by the clamping end of the pole piece fixing mechanism (62);
pole piece fixed establishment (62) includes first fixed plate (621), first actuating mechanism and sucking disc (622), the output fixed connection of first fixed plate (621) and sharp module (63), and first actuating mechanism's stiff end is connected with first fixed plate (621), the output is connected with the stiff end of sucking disc (622) to drive sucking disc (622) motion, the adsorption end of sucking disc (622) is fixed with the pole piece.
9. The Z-type lamination device for cell laminations, according to claim 8, characterized in that the first driving mechanism comprises a first cylinder (623) and a sucker support (624), the first cylinder (623) is fixed on the first fixing plate (621), an output end of the first cylinder (623) is fixedly connected with one end of the sucker support (624), the other end of the sucker support (624) is connected with a fixed end of the sucker (624), and the first cylinder (623) drives the sucker support (624) to drive the sucker (624) to move.
10. The Z-type lamination device for the battery cell lamination according to any one of claims 1 to 7, wherein the first conveying mechanism (7) comprises two membrane rollers (71) and a membrane cavity for placing a membrane, and the two membrane rollers (71) are respectively arranged at two opposite sides of an outlet of the membrane cavity;
the moving mechanism (3) moves between two opposite second conveying mechanisms (6).
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| CN113782807A (en) * | 2021-10-29 | 2021-12-10 | 深圳市迪斯普设备有限公司 | Semi-automatic lamination machine for glove box |
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