CN116237703A - Core closing device for butterfly welding of battery core and core closing process thereof - Google Patents
Core closing device for butterfly welding of battery core and core closing process thereof Download PDFInfo
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- CN116237703A CN116237703A CN202310167718.9A CN202310167718A CN116237703A CN 116237703 A CN116237703 A CN 116237703A CN 202310167718 A CN202310167718 A CN 202310167718A CN 116237703 A CN116237703 A CN 116237703A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- 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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Abstract
The invention discloses a core combining device and a core combining process for butterfly welding of an electric core, wherein the core combining device comprises a workbench, a first rotating plate, a second rotating plate, a core combining backing plate and a top cover follow-up device; the front and back of the upper surface of the workbench are provided with a first rotating plate and a second rotating plate at intervals, and the first rotating plate and the second rotating plate synchronously and reversely move along the horizontal and longitudinal directions through a movable turnover mechanism and synchronously and reversely turn over along the vertical direction; a core combining base plate is arranged in the middle of the upper surfaces of the first rotating plate and the second rotating plate respectively, and a longitudinal positioning mechanism is arranged between the upper surface of the workbench and the first rotating plate and the second rotating plate relative to the upper surface of the workbench to longitudinally position the battery core; the upper surfaces of the first rotating plate and the second rotating plate are provided with transverse positioning mechanisms for transversely positioning the battery cells; the upper surface of the workbench is provided with a top cover follow-up device, and the top cover follow-up device moves vertically up and down, so that the lug posture is ensured. The invention is convenient for the battery core to complete the core closing action and is also convenient for the battery core to be taken away from the upper part.
Description
Technical Field
The invention relates to the technical field of core assembly of electric cores, in particular to a core assembly device for butterfly welding of an electric core and a core assembly process of the core assembly device.
Background
In the manufacturing process of the novel high-capacity energy storage battery, the current equipment adopts a form of welding the butterflies of the anode and cathode switching sheets, which requires the battery core to complete the core combination treatment of the two battery cores, ensures the alignment degree of the two battery cores and the top cover follow-up device after the core combination, and ensures that the bending states of dozens layers of lugs of the battery cores are consistent and are bent outwards.
However, the alignment effect of the core closing in the prior art is poor, and the core closing progress is unstable, so that the subsequent process is affected; in addition, the bending state of the electrode lugs of the battery core cannot be guaranteed due to the gesture in the core combining process of the two battery cores, and part of the electrode lugs can be turned inwards, so that potential safety hazards of short circuit of the electrode lugs and the electrode plates exist in the battery. Therefore, the above problems need to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a core closing device for butterfly welding of a battery core and a core closing process thereof, which have simple structure, are convenient for the battery core to complete the core closing action and are also convenient for the battery core to be taken away from the upper part.
In order to solve the technical problems, the invention adopts the following technical scheme: the invention relates to a core combining device for butterfly welding of an electric core, which has the following innovation points: comprises a workbench, a first rotating plate, a second rotating plate, a movable turnover mechanism, a core-closing backing plate and a top cover follow-up device; a first rotating plate and a second rotating plate are horizontally and symmetrically arranged on the front and the back of the upper surface of the workbench at intervals horizontally, and after the interval is adjusted by synchronously and reversely moving the first rotating plate and the second rotating plate along the horizontal longitudinal direction through a movable turnover mechanism, the first rotating plate and the second rotating plate synchronously and reversely turn over along the vertical direction to complete core combination; the middle positions of the upper surfaces of the first rotating plate and the second rotating plate are also respectively and horizontally provided with a core combining backing plate matched with the battery core longitudinally, and the two core combining backing plates are arranged in a front-back symmetrical way; a longitudinal positioning mechanism is further arranged on the upper surface of the workbench at intervals relative to the first rotating plate and the second rotating plate, and the battery cores placed on the core combining backing plate are longitudinally positioned through the longitudinal positioning mechanism; the upper surfaces of the first rotating plate and the second rotating plate are respectively provided with a transverse positioning mechanism, and the electric cores placed on the core closing backing plate are transversely positioned through the transverse positioning mechanisms and then clamped and fixed; and a top cover follow-up device is arranged on the upper surface of the workbench at a horizontal and transverse interval relative to the two core closing backing plates, and the top cover follow-up device moves vertically up and down and ensures the lug posture in the core closing process.
Preferably, the movable turnover mechanism comprises a second sliding rail, a first movable plate, a second sliding block and a positive and negative screw rod device; a first moving plate matched with the first rotating plate is arranged between the first rotating plate and the upper surface of the workbench at horizontal and transverse intervals, the length of the first moving plate is larger than that of the first rotating plate, the width of the first moving plate is smaller than that of the first rotating plate, and one side edge of the first rotating plate near the center of the workbench is vertically aligned with the corresponding side edge of the first rotating plate; a second moving plate matched with the second rotating plate is arranged between the second rotating plate and the upper surface of the workbench at horizontal and transverse intervals, the length of the second moving plate is larger than that of the second rotating plate, the width of the second moving plate is smaller than that of the second rotating plate, and one side edge of the second rotating plate near the center of the workbench is vertically aligned with the corresponding side edge of the second rotating plate; the first moving plate and the second moving plate do not interfere with the vertical up-and-down motion of the top cover follow-up device and the longitudinal positioning motion of the longitudinal positioning mechanism, second sliding rails are also arranged on the left side and the right side of the upper surface of the workbench at horizontal longitudinal intervals symmetrically, second sliding blocks are also arranged on the left side and the right side of the lower surface of the first moving plate and the lower surface of the second moving plate at front-back intervals relative to the positions of the second sliding rails respectively, each second sliding block is matched with the corresponding second sliding rail, and the first moving plate and the second moving plate are horizontally and longitudinally connected with the two second sliding rails through the second sliding blocks in a sliding manner respectively; the inner top surface of the workbench is also horizontally and longitudinally provided with a positive and negative screw rod device relative to the two second sliding rails, the moving end of the positive and negative screw rod device extends out of the upper surface of the workbench, the lower surface of the first moving plate is connected with the positive moving end of the positive and negative screw rod device, the lower surface of the second moving plate is connected with the reverse moving end of the positive and negative screw rod device, and then the first moving plate and the second moving plate move horizontally and longitudinally in opposite directions or move reversely under the driving of the positive and negative screw rod device to adjust the longitudinal distance between the first moving plate and the second moving plate.
Preferably, the device further comprises a first rotating shaft driving motor group, a first rotating driven seat group, a first connecting block, a second rotating shaft driving motor group, a second connecting block and a second rotating driven seat group; a first rotary driven seat group is further vertically arranged at the left edge of the upper surface of the first movable plate, and the rotary end of the first rotary driven seat group is connected with the corresponding side of the first rotary plate through a first connecting block; a first rotary shaft driving motor group is arranged on the inner bottom surface of the workbench and is horizontally and longitudinally slid on one side of the first rotary driven seat group, the sliding action of the first rotary shaft driving motor group is synchronous with the horizontal and longitudinal movement of the first moving plate, the output end of the first rotary shaft driving motor group is linked with the first rotary driven seat group, and the first rotary driven seat group is driven to drive the first rotary plate to vertically and longitudinally rotate; a second rotary driven seat group is further vertically arranged at the edge of the right side of the upper surface of the second movable plate, and the rotary end of the second rotary driven seat group is connected with the corresponding side of the second rotary plate through a second connecting block; the inner bottom surface of the workbench is provided with a second rotary shaft driving motor group by means of horizontal and longitudinal sliding on one side of a second rotary driven seat group, the sliding action of the second rotary shaft driving motor group is synchronous with the horizontal and longitudinal movement of the second movable plate, the output end of the second rotary shaft driving motor group is linked with the second rotary driven seat group, and the second rotary driven seat group is driven to drive the second rotary plate to rotate along the vertical and longitudinal directions.
Preferably, the device further comprises a rotation hard limit; two rotary hard limiting plates are respectively arranged on the lower surface of the first rotary plate near the front edge of the lower surface of the first rotary plate and near the rear edge of the lower surface of the second rotary plate at left and right intervals, and the four rotary hard limiting plates are respectively fixedly arranged on the upper surface of the workbench and do not interfere with the horizontal and longitudinal movement of the first movable plate and the second movable plate; the four rotating hard limiting parts are arranged between the two second sliding rails at intervals, the heights of the four rotating hard limiting parts are corresponding to the distance between the first rotating plate and the upper surface of the workbench when the rotating hard limiting parts are in a horizontal state, and then the first rotating plate and the second rotating plate are respectively subjected to lower limiting on reverse overturning.
Preferably, the first rotation shaft driving motor unit and the second rotation shaft driving motor unit are both formed by combining a motor and a right angle speed reducer.
Preferably, each of the lateral positioning mechanisms comprises a cell positioning stop block and a cell positioning mechanism; four battery cell positioning check blocks are respectively arranged in a rectangular shape at the middle positions of the upper surfaces of the first rotating plate and the second rotating plate, each adjacent four battery cell positioning check blocks are respectively arranged at four right angles around the corresponding core closing backing plate, arc-shaped grooves matched with battery cells are respectively embedded and formed in the upper ends of one side face of the battery cell positioning check blocks facing the core closing backing plate, and then the battery cells placed on the corresponding core closing backing plate are transversely positioned once; the upper surfaces of the first rotating plate and the second rotating plate are respectively provided with a battery cell positioning mechanism relative to the left side and the right side of the corresponding core closing backing plate, each battery cell positioning mechanism is arranged in a non-interference mode with the corresponding battery cell positioning stop block, the fixed end of each battery cell positioning mechanism is respectively fixedly connected with the upper surface of the corresponding first rotating plate or the upper surface of the corresponding second rotating plate, the positioning ends of the battery cell positioning mechanisms respectively do horizontal transverse movement towards the direction of the corresponding core closing backing plate, and then the battery cells placed on the corresponding core closing backing plate are subjected to secondary transverse positioning, and the corresponding battery cells are clamped and fixed.
Preferably, each cell positioning mechanism comprises a first cylinder, a first sliding rail, a first sliding block and a first positioning block; first air cylinders are respectively arranged on the left side and the right side of the upper surfaces of the first rotating plate and the second rotating plate relative to the corresponding core combining backing plate, each first air cylinder is fixedly arranged between the upper surface of the first rotating plate or the second rotating plate relative to the corresponding two battery core positioning stop blocks, and the telescopic ends of the first air cylinders horizontally and transversely move towards the corresponding core combining backing plate respectively and are in threaded connection and fixed with the corresponding first positioning blocks which are horizontally and longitudinally arranged; the longitudinal width of each first positioning block is matched with the interval between the two corresponding cell positioning check blocks, each cell positioning check block does not interfere with the horizontal and transverse movement of the corresponding first positioning block, and arc-shaped grooves matched with the cells are respectively embedded in the upper end of one side face of each first positioning block, which faces the core combining backing plate; four first sliding blocks are further arranged on the lower surface of each first positioning block in a rectangular shape, two first sliding rails are further horizontally arranged on the upper surfaces of the first rotating plate and the second rotating plate at intervals back and forth relative to the positions of the corresponding first positioning blocks, and each first sliding rail is arranged in a mutually noninterfere mode with the corresponding first air cylinder and the corresponding battery cell positioning stop block; each first sliding rail is matched with the corresponding first sliding rail, the distance between every two adjacent first sliding rails is corresponding to the distance between the corresponding front and rear first sliding rails, and further the stability of horizontal transverse movement of the corresponding first positioning block is ensured through the cooperation of the first sliding rails and the first sliding rails.
Preferably, the longitudinal positioning mechanism comprises a second cylinder, a positioning clamping jaw, a rodless cylinder and a rodless cylinder mounting seat; a rodless cylinder is arranged on the upper surface of the workbench at a horizontal and transverse interval relative to the first moving plate and the second moving plate, the rodless cylinder takes compressed air as a power source, the rodless cylinder mounting seat is sleeved on the rodless cylinder, horizontally and transversely reciprocates on the upper surface of the workbench through the rodless cylinder, and the actions of the top cover follow-up device, the first moving plate, the second moving plate, the first rotating plate and the second rotating plate are not interfered respectively; a second cylinder is horizontally and transversely arranged on the upper surface of the rodless cylinder mounting seat, the stroke of the rodless cylinder needs to ensure that the second cylinder can retreat to one side of the workbench, and the vertical up-and-down motion of the top cover follow-up device is not interfered; the open ends of the second cylinders are respectively arranged towards the direction of the core closing backing plate, positioning clamping jaws are horizontally arranged on the open ends at intervals, the two positioning clamping jaws are driven to perform opening and closing actions, and the electric cores placed on the core closing backing plate are longitudinally positioned, so that the alignment degree of the electric cores is ensured.
Preferably, the device also comprises a Z-axis adjusting device; a Z-axis adjusting device is further arranged at the position of the inner top surface of the workbench relative to the top cover follow-up device, and the Z-axis adjusting device and the positive and negative screw rod device are arranged in a non-interference manner; the adjusting end of the Z-axis adjusting device vertically extends out of the upper surface of the workbench, is connected with the top cover follow-up device and drives the top cover follow-up device to vertically move up and down, and then the lug gesture is ensured through the top cover follow-up device in the core closing process.
The invention discloses a core combining process for butterfly welding of an electric core, which is innovative in that the core combining process comprises the following steps:
step one: firstly, horizontally and longitudinally placing incoming material battery cores on corresponding core combining backing plates respectively, and carrying out one-time transverse positioning through battery core positioning stop blocks;
step two: under the driving of the rodless cylinder, the second cylinder is driven to horizontally and transversely move towards the center direction of the workbench through the rodless cylinder mounting seat, and then under the driving of the second cylinder, the positioning clamping jaw is opened to longitudinally position the battery cell, so that the alignment degree of the battery cell is ensured;
step three: under the drive of a first cylinder, the electric core is subjected to secondary transverse positioning through a first positioning block, and the corresponding electric core is clamped and fixed;
step four: under the drive of the rodless cylinder, the second cylinder is driven to retreat to one side of the workbench through the rodless cylinder mounting seat, and the vertical up-and-down motion of the top cover follow-up device is ensured not to be interfered;
step five: under the drive of the positive and negative screw rod device, the first moving plate and the second moving plate are controlled to horizontally and longitudinally move in opposite directions or move in opposite directions according to the state of the battery cells when the battery cells are combined, so that the relative positions among the battery cells are adjusted, and the relative positions of the folded electrode lugs are ensured;
step six: the first rotating plate and the second rotating plate are rotated by 90 degrees upwards along the vertical longitudinal direction under the drive of the first rotating shaft driving motor group and the second rotating shaft driving motor group, so that core combination is completed; in the process, the height of the top cover follow-up device is adjusted through the Z-axis adjusting device, so that the state of the lug posture is ensured.
The invention has the beneficial effects that:
(1) The invention has simple structure, is convenient for the battery cell to complete the core closing action and is also convenient for the battery cell to be taken away from the upper part;
(2) The invention can stably control the bending state of the tab, thereby reducing the risk of short circuit of the battery;
(3) The invention can stably control the alignment degree of the battery core and the top cover follow-up device, thereby meeting the requirements of the subsequent process;
(4) According to the invention, through arranging the core-closing base plate, the height of the battery core lug is consistent with the rotation axis, and the mechanical claw is convenient to grasp the discharge core;
(5) According to the invention, the spacing between the first moving plate and the second moving plate is adjusted through the cooperation of the positive and negative screw rod device, the second sliding block and the second sliding rail, so that the state of the battery cell during core closing can be adjusted, and the gesture of the electrode lug is ensured.
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 will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a core assembly device for butterfly welding of a battery cell according to the present invention.
Fig. 2 is a side view of fig. 1.
Wherein, 1-a first rotation shaft drives the motor group; 2-a cell positioning stop block; 3-core-closing backing plate; 4-a second rotating plate; 5-a cell positioning mechanism; 6-a first rotary driven seat group; 7-a second rotary shaft drive motor group; 8-a top cover follower; 9-a first rotating plate; 10-a longitudinal positioning mechanism; 11-rotating hard limit; 12-a workbench; 13-a second set of rotary driven seats; 14-a first moving plate; 15-a second slide rail; 16-a positive and negative screw rod device; 17-Z axis adjusting device; 18-a second moving plate.
Description of the embodiments
The technical scheme of the present invention will be clearly and completely described in the following detailed description.
The invention relates to a core combining device for butterfly welding of an electric core, which comprises a workbench 12, a first rotating plate 9, a second rotating plate 4, a movable turnover mechanism, a core combining backing plate 3 and a top cover follow-up device 8; as shown in fig. 1 and 2, the workbench 12 is a hollow cuboid frame structure horizontally and transversely arranged, a first rotating plate 9 and a second rotating plate 4 are horizontally and transversely symmetrically arranged on the front and rear surfaces of the workbench at intervals, the first rotating plate 9 and the second rotating plate 4 synchronously and reversely move along the horizontal and longitudinal directions through a movable turnover mechanism to adjust the interval, and then synchronously and reversely turn along the vertical direction to finish core combination; the middle positions of the upper surfaces of the first rotating plate 9 and the second rotating plate 4 are also respectively and longitudinally provided with a core combining base plate 3 matched with the battery core, and the two core combining base plates 3 are symmetrically arranged in front and back; a longitudinal positioning mechanism 10 is arranged on the upper surface of the workbench 12 at intervals relative to the first rotary plate 9 and the second rotary plate 4, and the longitudinal positioning mechanism 10 is used for longitudinally positioning the battery cells placed on the core closing base plate 3; the upper surfaces of the first rotating plate 9 and the second rotating plate 4 are respectively provided with a transverse positioning mechanism, and the electric cores placed on the core closing backing plate 3 are transversely positioned through the transverse positioning mechanisms and then clamped and fixed; a top cover follow-up device 8 is also horizontally and transversely arranged on the upper surface of the workbench 12 at intervals relative to the two core closing backing plates 3, the top cover follow-up device 8 vertically moves up and down, and the lug posture is ensured in the core closing process.
The movable turnover mechanism comprises a second slide rail 15, a first movable plate 14, a second movable plate 18, a second slide block, a positive and negative screw rod device 16, a first rotating shaft driving motor group 1, a first rotating driven seat group 6, a first connecting block, a second rotating shaft driving motor group 7, a second connecting block, a second rotating driven seat group 13 and a rotating hard limit 11; as shown in fig. 1 and 2, a first moving plate 14 matched with the first rotating plate 9 is horizontally and transversely arranged between the first rotating plate 9 and the upper surface of the workbench 12 at intervals, the length of the first moving plate 14 is larger than that of the first rotating plate 9, the width of the first moving plate is smaller than that of the first rotating plate 9, and one side edge near the center of the workbench 12 is vertically aligned with the corresponding side edge of the first rotating plate 9; a second movable plate 18 matched with the second rotary plate 4 is arranged between the second rotary plate 4 and the upper surface of the workbench 12 at horizontal and transverse intervals, the length of the second movable plate 18 is longer than that of the second rotary plate 4, the width of the second movable plate is smaller than that of the second rotary plate 4, and one side edge near the center of the workbench 12 is vertically aligned with the corresponding side edge of the second rotary plate 4;
as shown in fig. 1 and 2, the first moving plate 14 and the second moving plate 18 do not interfere with the vertical up-and-down motion of the top cover follower 8 and the longitudinal positioning motion of the longitudinal positioning mechanism 10, and second sliding rails 15 are symmetrically arranged at the left side and the right side of the upper surface of the workbench 12 at horizontal longitudinal intervals, second sliding blocks are respectively arranged at the left side and the right side of the lower surface of the first moving plate 14 and the lower surface of the second moving plate 18 at front-and-back intervals relative to the positions of the second sliding rails 15, each second sliding block is matched with the corresponding second sliding rail 15, and the first moving plate 14 and the second moving plate 18 are respectively connected with the two second sliding rails 15 in a horizontal longitudinal sliding manner through the second sliding blocks; the front and back screw rod devices 16 are further horizontally and longitudinally arranged between the inner top surface of the workbench 12 and the two second sliding rails 15, the moving ends of the front and back screw rod devices 16 extend out of the upper surface of the workbench 12, the lower surface of the first moving plate 14 is connected with the front moving end of the front and back screw rod devices 16, the lower surface of the second moving plate 18 is connected with the back moving end of the front and back screw rod devices 16, and then the first moving plate 14 and the second moving plate 18 are driven by the front and back screw rod devices 16 to horizontally and longitudinally move in opposite directions or back to back so as to adjust the longitudinal distance between the first moving plate 14 and the second moving plate 18.
As shown in fig. 1 and 2, a first rotary driven seat group 6 is further vertically arranged at the left edge of the upper surface of the first moving plate 14, and the rotary end of the first rotary driven seat group 6 is connected with the corresponding side of the first rotary plate 9 through a first connecting block; a first rotary shaft driving motor unit 1 is arranged on the inner bottom surface of the workbench 12 near one side of the first rotary driven seat group 6 in a horizontal and longitudinal sliding manner, the sliding motion of the first rotary shaft driving motor unit 1 is synchronous with the horizontal and longitudinal movement of the first moving plate 14, and the output end of the first rotary shaft driving motor unit is linked with the first rotary driven seat group 6, so that the first rotary driven seat group 6 is driven to drive the first rotary plate 9 to rotate along the vertical and longitudinal directions; a second rotary driven seat group 13 is further vertically arranged at the right edge of the upper surface of the second moving plate 18, and the rotary end of the second rotary driven seat group 13 is connected with the corresponding side of the second rotary plate 4 through a second connecting block; the second rotary shaft driving motor unit 7 is further arranged on the inner bottom surface of the workbench 12 near one side of the second rotary driven seat group 13 in a horizontal and longitudinal sliding manner, the sliding motion of the second rotary shaft driving motor unit 7 is synchronous with the horizontal and longitudinal movement of the second moving plate 18, and the output end of the second rotary shaft driving motor unit 7 is linked with the second rotary driven seat group 13, so that the second rotary driven seat group 13 is driven to drive the second rotary plate 4 to rotate along the vertical and longitudinal directions. Wherein the first rotation shaft driving motor unit 1 and the second rotation shaft driving motor unit 7 are both formed by combining a motor and a right angle speed reducer.
As shown in fig. 1 and 2, two rotation hard limits 11 are respectively arranged on the lower surface of the first rotating plate 9 near the front edge thereof and the lower surface of the second rotating plate 4 near the rear edge thereof at left and right intervals, and the four rotation hard limits 11 are respectively fixedly arranged on the upper surface of the workbench 12 and do not interfere with the horizontal and longitudinal movement of the corresponding first moving plate 14 and second moving plate 18; the four rotating hard limiting plates 11 are arranged between the two second sliding rails 15 at intervals, and the heights of the four rotating hard limiting plates are corresponding to the distance between the first rotating plate 9 and the upper surface of the workbench 12 when the rotating hard limiting plates are in a horizontal state, so that the first rotating plate 9 and the second rotating plate 4 are respectively subjected to lower limiting through reverse overturning.
Each transverse positioning mechanism comprises a battery cell positioning stop block 2 and a battery cell positioning mechanism 5; as shown in fig. 1, four cell positioning stop blocks 2 are respectively arranged in a rectangular shape at the middle positions of the upper surfaces of the first rotating plate 9 and the second rotating plate 4, each adjacent four cell positioning stop blocks 2 are respectively arranged at four right angles around the corresponding core closing backing plate 3, arc-shaped grooves matched with the cells are respectively embedded into the upper ends of one side surface of the cell positioning stop blocks facing the core closing backing plate 3, and then the cells placed on the corresponding core closing backing plate 3 are transversely positioned once; the upper surfaces of the first rotating plate 9 and the second rotating plate 4 are respectively provided with a battery core positioning mechanism 5 relative to the left side and the right side of the corresponding core closing backing plate 3, each battery core positioning mechanism 5 is arranged in a non-interference mode with the corresponding battery core positioning stop block 2, the fixed end of each battery core positioning mechanism 5 is fixedly connected with the upper surface of the corresponding first rotating plate 9 or the upper surface of the corresponding second rotating plate 4 respectively, the positioning ends of the battery core positioning mechanisms are horizontally and transversely moved towards the direction of the corresponding core closing backing plate 3 respectively, and then secondary transverse positioning is carried out on the battery core placed on the corresponding core closing backing plate 3, and clamping and fixing are carried out on the corresponding battery core.
Each cell positioning mechanism 5 comprises a first cylinder, a first sliding rail, a first sliding block and a first positioning block; as shown in fig. 1 and 2, first cylinders are respectively arranged on the left side and the right side of the upper surfaces of the first rotating plate 9 and the second rotating plate 4 relative to the corresponding core-closing backing plate 3, each first cylinder is fixedly arranged between the upper surface of the first rotating plate 9 or the second rotating plate 4 relative to the corresponding two battery core positioning stop blocks 2, and the telescopic ends of the first cylinders horizontally and transversely move towards the direction of the corresponding core-closing backing plate 3 respectively and are in threaded connection and fixation with the corresponding first positioning blocks which are horizontally and longitudinally arranged; the longitudinal width of each first positioning block is matched with the interval between the two corresponding cell positioning stop blocks 2, each cell positioning stop block 2 does not interfere the horizontal and transverse movement of the corresponding first positioning block, and arc-shaped grooves matched with the cells are respectively embedded in the upper end of one side face of each first positioning block, which faces the core combining backing plate 3; four first sliding blocks are further arranged on the lower surface of each first positioning block in a rectangular shape, two first sliding rails are further horizontally arranged on the upper surfaces of the first rotating plate 9 and the second rotating plate 4 at intervals back and forth relative to the positions of the corresponding first positioning blocks, and each first sliding rail is arranged in a non-interference manner with the corresponding first cylinder and the corresponding battery cell positioning stop block 2; each first sliding rail is matched with the corresponding first sliding block, the distance between every two adjacent first sliding rails is corresponding to the distance between the corresponding front and rear two first sliding blocks, and further the stability of horizontal transverse movement of the corresponding first positioning block is ensured through the cooperation of the first sliding blocks and the first sliding rails.
The longitudinal positioning mechanism 10 comprises a second cylinder, a positioning clamping jaw, a rodless cylinder and a rodless cylinder mounting seat; as shown in fig. 1, rodless cylinders are further arranged on the upper surface of the workbench 12 at horizontal and transverse intervals relative to the first moving plate 14 and the second moving plate 18, the rodless cylinders take compressed air as a power source, a rodless cylinder mounting seat is sleeved on the rodless cylinders, and horizontally and transversely reciprocate on the upper surface of the workbench 12 through the rodless cylinders, and do not interfere with the actions of the top cover follower 8, the first moving plate 14, the second moving plate 18, the first rotating plate 9 and the second rotating plate 4 respectively; the upper surface of the rodless cylinder mounting seat is also horizontally and transversely provided with a second cylinder, the stroke of the rodless cylinder needs to ensure that the second cylinder can retreat to one side of the workbench 12, and the vertical up-and-down motion of the top cover follow-up device 8 is not interfered; the open ends of the second cylinders are respectively arranged towards the direction of the core closing backing plate 3, positioning clamping jaws are horizontally arranged on the open ends at intervals, and drive the two positioning clamping jaws to perform opening and closing actions, so that the electric core placed on the core closing backing plate 3 is longitudinally positioned, and the alignment degree of the electric core is further ensured.
The invention is also provided with a Z-axis adjusting device 17 at the position of the inner top surface of the workbench 12 relative to the top cover follow-up device 8, and the Z-axis adjusting device 17 and the positive and negative screw rod device 16 are arranged in a non-interference way; as shown in fig. 1 and 2, the adjusting end of the Z-axis adjusting device 17 extends vertically upwards out of the upper surface of the workbench 12, and is connected with the top cover follower 8 to drive the top cover follower 8 to vertically move up and down, so that the lug posture is ensured by the top cover follower 8 in the core closing process.
The invention discloses a core combining process for butterfly welding of an electric core, which comprises the following steps of:
step one: firstly, incoming material electric cores are respectively horizontally and longitudinally placed on corresponding core combining base plates 3, and are transversely positioned once through electric core positioning stop blocks 2.
Step two: under the drive of rodless cylinder, drive the horizontal lateral movement of second cylinder towards workstation 12 central direction through rodless cylinder mount pad, then under the drive of second cylinder, the location clamping jaw opens, carries out vertical location to the electric core, and then ensures the alignment degree of electric core.
Step three: under the drive of the first cylinder, the electric core is subjected to secondary transverse positioning through the first positioning block, and the corresponding electric core is clamped and fixed.
Step four: the second cylinder is driven to retreat to one side of the workbench 12 by the rodless cylinder mounting seat under the drive of the rodless cylinder, and the vertical up-and-down motion of the top cover follow-up device 8 is ensured not to be interfered.
Step five: under the driving of the positive and negative screw rod device 16, the first moving plate 14 and the second moving plate 18 are controlled to move horizontally and longitudinally in opposite directions or in opposite directions according to the state of the battery cells during core closing, so that the relative positions of the battery cells are adjusted, and the relative positions of the folded electrode lugs are ensured.
Step six: the first rotating plate 9 and the second rotating plate 4 are rotated by 90 degrees upwards along the vertical longitudinal direction under the drive of the first rotating shaft driving motor group 1 and the second rotating shaft driving motor group 7, so that core combination is completed; in the process, the height of the top cover follow-up device 8 is adjusted through the Z-axis adjusting device 17, so that the state of the lug posture is ensured.
The invention has the beneficial effects that:
(1) The invention has simple structure, is convenient for the battery cell to complete the core closing action and is also convenient for the battery cell to be taken away from the upper part;
(2) The invention can stably control the bending state of the tab, thereby reducing the risk of short circuit of the battery;
(3) The invention can stably control the alignment degree of the battery core and the top cover follow-up device 8, thereby meeting the requirement of the subsequent process;
(4) According to the invention, through arranging the core-closing base plate 3, the height of the battery core lug is consistent with the rotation axis, and the electric discharge core can be conveniently grasped by the mechanical claw;
(5) The space between the first moving plate 14 and the second moving plate 18 is adjusted through the cooperation of the positive and negative screw rod device 16, the second sliding block and the second sliding rail 15, so that the state of the battery cell during core closing can be adjusted, and the gesture of the tab is ensured.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and the present invention is not limited to the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the design concept of the present invention should fall within the protection scope of the present invention, and the claimed technical content of the present invention is fully described in the claims.
Claims (10)
1. A close core device for electricity core butterfly welds, its characterized in that: comprises a workbench, a first rotating plate, a second rotating plate, a movable turnover mechanism, a core-closing backing plate and a top cover follow-up device; a first rotating plate and a second rotating plate are horizontally and symmetrically arranged on the front and the back of the upper surface of the workbench at intervals horizontally, and after the interval is adjusted by synchronously and reversely moving the first rotating plate and the second rotating plate along the horizontal longitudinal direction through a movable turnover mechanism, the first rotating plate and the second rotating plate synchronously and reversely turn over along the vertical direction to complete core combination; the middle positions of the upper surfaces of the first rotating plate and the second rotating plate are also respectively and horizontally provided with a core combining backing plate matched with the battery core longitudinally, and the two core combining backing plates are arranged in a front-back symmetrical way; a longitudinal positioning mechanism is further arranged on the upper surface of the workbench at intervals relative to the first rotating plate and the second rotating plate, and the battery cores placed on the core combining backing plate are longitudinally positioned through the longitudinal positioning mechanism; the upper surfaces of the first rotating plate and the second rotating plate are respectively provided with a transverse positioning mechanism, and the electric cores placed on the core closing backing plate are transversely positioned through the transverse positioning mechanisms and then clamped and fixed; and a top cover follow-up device is arranged on the upper surface of the workbench at a horizontal and transverse interval relative to the two core closing backing plates, and the top cover follow-up device moves vertically up and down and ensures the lug posture in the core closing process.
2. A core assembly device for use in a butterfly soldering of a battery cell as claimed in claim 1, wherein: the movable turnover mechanism comprises a second sliding rail, a first movable plate, a second sliding block and a positive and negative screw rod device; a first moving plate matched with the first rotating plate is arranged between the first rotating plate and the upper surface of the workbench at horizontal and transverse intervals, the length of the first moving plate is larger than that of the first rotating plate, the width of the first moving plate is smaller than that of the first rotating plate, and one side edge of the first rotating plate near the center of the workbench is vertically aligned with the corresponding side edge of the first rotating plate; a second moving plate matched with the second rotating plate is arranged between the second rotating plate and the upper surface of the workbench at horizontal and transverse intervals, the length of the second moving plate is larger than that of the second rotating plate, the width of the second moving plate is smaller than that of the second rotating plate, and one side edge of the second rotating plate near the center of the workbench is vertically aligned with the corresponding side edge of the second rotating plate; the first moving plate and the second moving plate do not interfere with the vertical up-and-down motion of the top cover follow-up device and the longitudinal positioning motion of the longitudinal positioning mechanism, second sliding rails are also arranged on the left side and the right side of the upper surface of the workbench at horizontal longitudinal intervals symmetrically, second sliding blocks are also arranged on the left side and the right side of the lower surface of the first moving plate and the lower surface of the second moving plate at front-back intervals relative to the positions of the second sliding rails respectively, each second sliding block is matched with the corresponding second sliding rail, and the first moving plate and the second moving plate are horizontally and longitudinally connected with the two second sliding rails through the second sliding blocks in a sliding manner respectively; the inner top surface of the workbench is also horizontally and longitudinally provided with a positive and negative screw rod device relative to the two second sliding rails, the moving end of the positive and negative screw rod device extends out of the upper surface of the workbench, the lower surface of the first moving plate is connected with the positive moving end of the positive and negative screw rod device, the lower surface of the second moving plate is connected with the reverse moving end of the positive and negative screw rod device, and then the first moving plate and the second moving plate move horizontally and longitudinally in opposite directions or move reversely under the driving of the positive and negative screw rod device to adjust the longitudinal distance between the first moving plate and the second moving plate.
3. A core assembly device for use in a butterfly soldering of a battery cell as claimed in claim 2, wherein: the device also comprises a first rotating shaft driving motor group, a first rotating driven seat group, a first connecting block, a second rotating shaft driving motor group, a second connecting block and a second rotating driven seat group; a first rotary driven seat group is further vertically arranged at the left edge of the upper surface of the first movable plate, and the rotary end of the first rotary driven seat group is connected with the corresponding side of the first rotary plate through a first connecting block; a first rotary shaft driving motor group is arranged on the inner bottom surface of the workbench and is horizontally and longitudinally slid on one side of the first rotary driven seat group, the sliding action of the first rotary shaft driving motor group is synchronous with the horizontal and longitudinal movement of the first moving plate, the output end of the first rotary shaft driving motor group is linked with the first rotary driven seat group, and the first rotary driven seat group is driven to drive the first rotary plate to vertically and longitudinally rotate; a second rotary driven seat group is further vertically arranged at the edge of the right side of the upper surface of the second movable plate, and the rotary end of the second rotary driven seat group is connected with the corresponding side of the second rotary plate through a second connecting block; the inner bottom surface of the workbench is provided with a second rotary shaft driving motor group by means of horizontal and longitudinal sliding on one side of a second rotary driven seat group, the sliding action of the second rotary shaft driving motor group is synchronous with the horizontal and longitudinal movement of the second movable plate, the output end of the second rotary shaft driving motor group is linked with the second rotary driven seat group, and the second rotary driven seat group is driven to drive the second rotary plate to rotate along the vertical and longitudinal directions.
4. A core assembly for use in a butterfly cell welding as claimed in claim 3, wherein: the device also comprises a rotating hard limit; two rotary hard limiting plates are respectively arranged on the lower surface of the first rotary plate near the front edge of the lower surface of the first rotary plate and near the rear edge of the lower surface of the second rotary plate at left and right intervals, and the four rotary hard limiting plates are respectively fixedly arranged on the upper surface of the workbench and do not interfere with the horizontal and longitudinal movement of the first movable plate and the second movable plate; the four rotating hard limiting parts are arranged between the two second sliding rails at intervals, the heights of the four rotating hard limiting parts are corresponding to the distance between the first rotating plate and the upper surface of the workbench when the rotating hard limiting parts are in a horizontal state, and then the first rotating plate and the second rotating plate are respectively subjected to lower limiting on reverse overturning.
5. A core assembly for use in a butterfly cell welding as claimed in claim 3, wherein: the first rotating shaft driving motor group and the second rotating shaft driving motor group are formed by combining a motor and a right angle speed reducer.
6. A core assembly device for use in a butterfly soldering of a battery cell as claimed in claim 1, wherein: each transverse positioning mechanism comprises a battery cell positioning stop block and a battery cell positioning mechanism; four battery cell positioning check blocks are respectively arranged in a rectangular shape at the middle positions of the upper surfaces of the first rotating plate and the second rotating plate, each adjacent four battery cell positioning check blocks are respectively arranged at four right angles around the corresponding core closing backing plate, arc-shaped grooves matched with battery cells are respectively embedded and formed in the upper ends of one side face of the battery cell positioning check blocks facing the core closing backing plate, and then the battery cells placed on the corresponding core closing backing plate are transversely positioned once; the upper surfaces of the first rotating plate and the second rotating plate are respectively provided with a battery cell positioning mechanism relative to the left side and the right side of the corresponding core closing backing plate, each battery cell positioning mechanism is arranged in a non-interference mode with the corresponding battery cell positioning stop block, the fixed end of each battery cell positioning mechanism is respectively fixedly connected with the upper surface of the corresponding first rotating plate or the upper surface of the corresponding second rotating plate, the positioning ends of the battery cell positioning mechanisms respectively do horizontal transverse movement towards the direction of the corresponding core closing backing plate, and then the battery cells placed on the corresponding core closing backing plate are subjected to secondary transverse positioning, and the corresponding battery cells are clamped and fixed.
7. The core assembly device for use in a butterfly soldering of a battery cell of claim 6, wherein: each cell positioning mechanism comprises a first cylinder, a first sliding rail, a first sliding block and a first positioning block; first air cylinders are respectively arranged on the left side and the right side of the upper surfaces of the first rotating plate and the second rotating plate relative to the corresponding core combining backing plate, each first air cylinder is fixedly arranged between the upper surface of the first rotating plate or the second rotating plate relative to the corresponding two battery core positioning stop blocks, and the telescopic ends of the first air cylinders horizontally and transversely move towards the corresponding core combining backing plate respectively and are in threaded connection and fixed with the corresponding first positioning blocks which are horizontally and longitudinally arranged; the longitudinal width of each first positioning block is matched with the interval between the two corresponding cell positioning check blocks, each cell positioning check block does not interfere with the horizontal and transverse movement of the corresponding first positioning block, and arc-shaped grooves matched with the cells are respectively embedded in the upper end of one side face of each first positioning block, which faces the core combining backing plate; four first sliding blocks are further arranged on the lower surface of each first positioning block in a rectangular shape, two first sliding rails are further horizontally arranged on the upper surfaces of the first rotating plate and the second rotating plate at intervals back and forth relative to the positions of the corresponding first positioning blocks, and each first sliding rail is arranged in a mutually noninterfere mode with the corresponding first air cylinder and the corresponding battery cell positioning stop block; each first sliding rail is matched with the corresponding first sliding rail, the distance between every two adjacent first sliding rails is corresponding to the distance between the corresponding front and rear first sliding rails, and further the stability of horizontal transverse movement of the corresponding first positioning block is ensured through the cooperation of the first sliding rails and the first sliding rails.
8. A core assembly device for use in a butterfly soldering of a battery cell as claimed in claim 2, wherein: the longitudinal positioning mechanism comprises a second cylinder, a positioning clamping jaw, a rodless cylinder and a rodless cylinder mounting seat; a rodless cylinder is arranged on the upper surface of the workbench at a horizontal and transverse interval relative to the first moving plate and the second moving plate, the rodless cylinder takes compressed air as a power source, the rodless cylinder mounting seat is sleeved on the rodless cylinder, horizontally and transversely reciprocates on the upper surface of the workbench through the rodless cylinder, and the actions of the top cover follow-up device, the first moving plate, the second moving plate, the first rotating plate and the second rotating plate are not interfered respectively; a second cylinder is horizontally and transversely arranged on the upper surface of the rodless cylinder mounting seat, the stroke of the rodless cylinder needs to ensure that the second cylinder can retreat to one side of the workbench, and the vertical up-and-down motion of the top cover follow-up device is not interfered; the open ends of the second cylinders are respectively arranged towards the direction of the core closing backing plate, positioning clamping jaws are horizontally arranged on the open ends at intervals, the two positioning clamping jaws are driven to perform opening and closing actions, and the electric cores placed on the core closing backing plate are longitudinally positioned, so that the alignment degree of the electric cores is ensured.
9. A core assembly device for use in a butterfly soldering of a battery cell as claimed in claim 2, wherein: the device also comprises a Z-axis adjusting device; a Z-axis adjusting device is further arranged at the position of the inner top surface of the workbench relative to the top cover follow-up device, and the Z-axis adjusting device and the positive and negative screw rod device are arranged in a non-interference manner; the adjusting end of the Z-axis adjusting device vertically extends out of the upper surface of the workbench, is connected with the top cover follow-up device and drives the top cover follow-up device to vertically move up and down, and then the lug gesture is ensured through the top cover follow-up device in the core closing process.
10. The core combining process for electric core butterfly welding according to any one of claims 1-9, which is characterized by comprising the following steps:
step one: firstly, horizontally and longitudinally placing incoming material battery cores on corresponding core combining backing plates respectively, and carrying out one-time transverse positioning through battery core positioning stop blocks;
step two: under the driving of the rodless cylinder, the second cylinder is driven to horizontally and transversely move towards the center direction of the workbench through the rodless cylinder mounting seat, and then under the driving of the second cylinder, the positioning clamping jaw is opened to longitudinally position the battery cell, so that the alignment degree of the battery cell is ensured;
step three: under the drive of a first cylinder, the electric core is subjected to secondary transverse positioning through a first positioning block, and the corresponding electric core is clamped and fixed;
step four: under the drive of the rodless cylinder, the second cylinder is driven to retreat to one side of the workbench through the rodless cylinder mounting seat, and the vertical up-and-down motion of the top cover follow-up device is ensured not to be interfered;
step five: under the drive of the positive and negative screw rod device, the first moving plate and the second moving plate are controlled to horizontally and longitudinally move in opposite directions or move in opposite directions according to the state of the battery cells when the battery cells are combined, so that the relative positions among the battery cells are adjusted, and the relative positions of the folded electrode lugs are ensured;
step six: the first rotating plate and the second rotating plate are rotated by 90 degrees upwards along the vertical longitudinal direction under the drive of the first rotating shaft driving motor group and the second rotating shaft driving motor group, so that core combination is completed; in the process, the height of the top cover follow-up device is adjusted through the Z-axis adjusting device, so that the state of the lug posture is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167718.9A CN116237703A (en) | 2023-02-27 | 2023-02-27 | Core closing device for butterfly welding of battery core and core closing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310167718.9A CN116237703A (en) | 2023-02-27 | 2023-02-27 | Core closing device for butterfly welding of battery core and core closing process thereof |
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| CN116237703A true CN116237703A (en) | 2023-06-09 |
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| CN202310167718.9A Pending CN116237703A (en) | 2023-02-27 | 2023-02-27 | Core closing device for butterfly welding of battery core and core closing process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226361A (en) * | 2023-11-10 | 2023-12-15 | 海门市胜佳建筑设备有限公司 | Profile butt welding machine for constructional engineering |
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2023
- 2023-02-27 CN CN202310167718.9A patent/CN116237703A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117226361A (en) * | 2023-11-10 | 2023-12-15 | 海门市胜佳建筑设备有限公司 | Profile butt welding machine for constructional engineering |
| CN117226361B (en) * | 2023-11-10 | 2024-01-26 | 海门市胜佳建筑设备有限公司 | Profile butt welding machine for constructional engineering |
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