CN218849543U - Rotatory mechanism of bending of electricity core module utmost point ear and pile up system - Google Patents
Rotatory mechanism of bending of electricity core module utmost point ear and pile up system Download PDFInfo
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- CN218849543U CN218849543U CN202222983762.0U CN202222983762U CN218849543U CN 218849543 U CN218849543 U CN 218849543U CN 202222983762 U CN202222983762 U CN 202222983762U CN 218849543 U CN218849543 U CN 218849543U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a rotatory mechanism of bending of electric core module utmost point ear and pile up system, rotatory mechanism of bending is including fixed subassembly, rotating assembly and anchor clamps subassembly, be fixed with first electric core on the fixed subassembly, rotating assembly includes first rotary platform and second rotary platform, be provided with the clamping component who is used for fixed second electric core on the first rotary platform, utmost point ear overlap seam between first electric core and the second electric core, anchor clamps subassembly forms first rotation center and second rotation center respectively in the seam both sides of the utmost point ear of two electric cores, two rotary platform drive second electric core rotate around first rotation center and second rotation center respectively, make the utmost point ear between first electric core and the second electric core bend into "21274" type and pile up the second electric core in the place ahead of first electric core after bending twice. The rotary bending mechanism for the battery cell module lug is simple to operate, little in damage to the lug and low in defective rate; and moreover, the energy consumption is reduced, and the electric core unit is prevented from being damaged.
Description
Technical Field
The utility model relates to a lithium cell production field especially relates to a rotatory mechanism of bending of electricity core module utmost point ear and pile up system.
Background
As is well known, a soft package cell is a lithium battery with a soft package material (usually an aluminum-plastic composite film) as a shell, and has the advantages of small volume, light weight, high specific energy, high safety, flexible design and the like. The soft package battery core is structurally packaged by an aluminum plastic film, and the positive electrode and the negative electrode of the battery also adopt a battery tab structure, so that the soft package battery core is different from the conventional plastic shell and metal shell battery.
Because the laminate polymer core physique is soft, difficult fixed, very easily the condition such as mar, pit, fold mark appears moreover, therefore with a plurality of laminate polymer core reciprocal anchorages and with a plurality of laminate polymer power battery series-parallel connection formation laminate polymer battery module be comparatively awkward difficult problem.
The preparation of electric core module needs earlier to form electric core unit with two soft-packaged electric core parallels, establishes ties after welding the utmost point ear between two adjacent electric core units again and forms the electric core module. In order to stack the cell units conveniently, the welded tab is bent into a '21274', in the prior art, the tab is bent in a stamping forming mode generally, the cell units on two sides need to move each time, the cell unit on one side can be connected with the previously stacked cell unit, and therefore, the moving path of the cell unit needs to be reset each time of bending, and the problem of complex operation exists.
SUMMERY OF THE UTILITY MODEL
The invention aims to provide a rotary bending mechanism for a lug of a battery cell module, which aims to solve the problem of complex operation in the manufacturing process of the battery cell module in the prior art.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a rotatory mechanism of bending of electric core module utmost point ear, includes fixed subassembly, rotating assembly and anchor clamps subassembly, wherein:
a first battery cell is fixed on the fixing component,
the rotating assembly comprises a first rotating platform and a second rotating platform, the first rotating platform is provided with a clamping component for fixing the second electric core, the overlapping part of the lugs between the first electric core and the second electric core is welded,
the clamp assembly is configured to clamp and fix a tab between a first battery cell and a second battery cell so as to respectively form a first rotation center and a second rotation center on two sides of a welding position of the tab,
the first rotating platform and the second rotating platform are configured to drive the second battery cell to rotate around the first rotating center and the second rotating platform respectively, after twice bending, the tab between the first battery cell and the second battery cell is bent into a shape of '21274', and the second battery cell is stacked in front of the first battery cell.
The first rotating platform and the second rotating platform are matched to drive the second battery cell to bend twice, so that the tab between the first battery cell and the second battery cell is bent into a '21274' shape, the second battery cell is stacked in front of the first battery cell, and the tab welding part between the two battery cell units can be bent into a '21274' shape in a rotating manner and then stacked. The rotary bending mechanism for the lug of the battery cell module adopts secondary rotation to bend the lug, and compared with the existing stamping type bending, the rotary bending mechanism for the lug of the battery cell module is simple to operate, small in damage to the lug and low in defective product rate; the mode of welding and bending is adopted, so that the situation that the tab rebounds after being bent is avoided, the tab is not required to be heated during bending, and the energy consumption is reduced; only remove the electric core unit of waiting to pile up when bending utmost point ear simultaneously, the electric core unit that has piled up need not remove, therefore the removal route of electric core unit can not need change, has reduced the operation degree of difficulty, also further avoids electric core unit to gouge.
In some embodiments, the clamp assembly comprises a main bending clamp, a fixing clamp and an auxiliary bending clamp, the main bending clamp is used for clamping the tab, the fixing clamp is positioned between the main bending clamp and the auxiliary bending clamp, the fixing clamp compresses the welding position of the tab, the side edge of the main bending clamp, which is close to the fixing clamp, serves as a first rotation center during bending, and the side edge of the fixing clamp, which is close to the auxiliary bending clamp, serves as a second rotation center during bending;
when the second battery cell rotates around the first rotation center, the auxiliary bending clamp and the fixing clamp rotate along with the second battery cell;
when the second battery cell rotates around the second rotation center, the auxiliary bending fixture rotates along with the second battery cell.
Through the matching of the main bending clamp, the fixing clamp and the auxiliary bending clamp, a first rotating center and a second rotating center are formed on two sides of the welding position of the lugs of the first battery cell and the second battery cell, when the second battery cell rotates around the first rotating center, the auxiliary bending clamp and the fixing clamp rotate along with the second battery cell, and the first bending of the lugs between the two battery cells is realized; when the second battery core rotates around the second rotation center, the auxiliary bending fixture rotates along with the second battery core, and secondary bending of the lug between the two battery cores is achieved. Both realized bending twice and piling up of second electricity core, provided a simple structure again, the reliable and stable anchor clamps subassembly of centre gripping.
In some embodiments, the first rotary platform is configured to synchronously rotate the clamping component and the secondary bending fixture, and the second rotary platform is configured to rotate the stationary fixture.
Through the cooperation of first rotary platform and second rotary platform, realize that second electricity core, vice anchor clamps and the mounting fixture of bending rotate around first rotation center in step to the realization is bent for the first time to utmost point ear, drives clamping component and vice anchor clamps rotation of bending in step through first rotary platform, can drive second electricity core and vice anchor clamps of bending and rotate around second rotation center in step, in order to realize bending the secondary of utmost point ear. The bending mode is simple in structure, convenient and fast to operate and high in working efficiency.
In some embodiments, the rotating assembly further comprises a first rotating drive configured to drive the first rotating platform to rotate about the second center of rotation alone, and a second rotating drive configured to drive the first rotating platform and the second rotating platform to rotate about the first center of rotation in synchronization.
The first rotary platform and the second rotary platform are controlled by the two rotary driving devices respectively, so that the overall structure of the rotary assembly can be simplified, and the stability and the reliability of the operation of the mechanism are ensured.
In some embodiments, the driving end of the first rotary driving device is connected with the first rotary platform, the driving end of the second rotary driving device is connected with the second rotary platform, the clamping part and the secondary bending fixture are mounted on the first rotary platform, the fixing fixture is mounted on the second rotary platform, and the base of the first rotary platform is mounted on the second rotary platform.
The first rotating platform is arranged on the second rotating platform, so that the second rotating driving device can drive the first rotating platform and the second rotating platform to synchronously rotate around the first rotating center, and further the second battery cell, the auxiliary bending fixture and the fixing fixture synchronously rotate around the first rotating center, so that the first bending of the second battery cell is realized; the first rotary driving device can drive the first rotary platform to rotate around the second rotary center, and then the second battery cell and the auxiliary bending fixture rotate around the second rotary center, so that the second battery cell is bent for the second time.
In some embodiments, the clamping component comprises a clamping jaw assembly for clamping the second cell and a suction cup assembly for suction fixing the second cell.
The second battery cell is fixed through the clamping jaw assembly and the sucker assembly on the clamping part, and the second battery cell is prevented from shifting when being bent in a rotating mode.
In some embodiments, the primary bending fixture is located above the fixing fixture and the secondary bending fixture, and the primary bending fixture is configured to clamp a side of a welding position of a tab between the first battery cell and the second battery cell, which is close to the first battery cell.
The main bending fixture is arranged above the fixing fixture and the auxiliary bending fixture, so that the main bending fixture, the fixing fixture and the auxiliary bending fixture can smoothly clamp and fix the lug between the first electric core and the second electric core, the peripheral space of the lug between the first electric core and the second electric core is fully utilized, and the layout is reasonable; meanwhile, the clamping position of the main bending fixture is one side, close to the first electric core, of the welding position of the lug, so that the side edge, close to the fixing fixture, of the main bending fixture serves as a first rotating center during bending.
In some embodiments, a first lifting piece is arranged on the first rotating platform, the driving end of the first lifting piece is connected with the auxiliary bending fixture, a second lifting piece is arranged on the second rotating platform, the driving end of the second lifting piece is connected with the fixing fixture, and the main bending fixture is connected with the driving end of the third lifting piece.
The auxiliary bending fixture, the fixing fixture and the main bending fixture are respectively driven to ascend and descend through the first lifting piece, the second lifting piece and the third lifting piece, when the second battery cell is fed and welded with the lug of the first battery cell, the auxiliary bending fixture and the fixing fixture descend, and the main bending fixture ascends to avoid; after the second battery cell is fed and welded with the lug of the first battery cell, the auxiliary bending fixture and the fixing fixture are lifted, the main bending fixture is lowered, and the lug between the first battery cell and the second battery cell is clamped and fixed.
In some embodiments, the first cell and the second cell are located on the same plane, and after the second rotation platform drives the second cell to rotate by 90 ° around the first rotation center, the first rotation platform drives the second cell to rotate by 90 ° around the second rotation center, so that the tab between the first cell and the second cell is bent into a "21274", and the second cell is stacked in front of the first cell.
The first battery cell and the second battery cell are arranged on the same plane, and the second battery cell is bent for 90 degrees at each time and is bent for two times, so that a lug between the first battery cell and the second battery cell is bent into a shape of '21274', and the second battery cell is stacked in front of the first battery cell. The bending and stacking mode is simple in process, easy to achieve and high in efficiency.
The utility model provides a rotatory system of piling up of electricity core module, includes at least one operation station, welding mechanism and feed mechanism, is provided with receiving agencies and two rotatory stacking mechanisms on the operation station, and two rotatory stacking mechanisms set up for the receiving agencies symmetry, wherein:
the welding mechanism is used for welding the parts to be welded of the battery cell units on the operation station;
the feeding mechanism is used for conveying the battery cell unit to an operation station;
the rotary stacking mechanism adopts the battery cell module lug rotary bending mechanism, two rotary stacking mechanisms share one fixed assembly, one rotary stacking mechanism is used for rotationally stacking the welded nth battery cell in front of the (n-1) th battery cell, the other rotary stacking mechanism is used for rotationally stacking the welded (n + 1) th battery cell in front of the nth battery cell, and n is a positive even number;
the receiving mechanism is used for bearing the stacked battery cell units.
Through feed mechanism, welding mechanism, receiving agencies and two rotatory stacking mechanism's cooperation, can realize the automatic series connection in proper order of a plurality of electric core units and bend the production mode that piles up, the removal of electric core unit is all through the mechanical component who predetermines the route, guarantees that circumstances such as mar, pit, pleat mark can not appear in electric core unit. The utility model provides a battery cell module that work efficiency is high, use manpower sparingly and can not cause the damage to electric core unit piles up equipment.
Drawings
Fig. 1 is a schematic structural diagram of a conventional cell unit;
fig. 2 is a schematic structural diagram of a conventional cell module;
fig. 3 is a schematic view of a three-dimensional structure of a battery cell module tab rotary bending mechanism provided by an embodiment of the present invention;
fig. 4 is a schematic front view of a battery module tab rotary bending mechanism in an embodiment of the present invention;
FIG. 5 is an enlarged partial schematic view at A of FIG. 4;
fig. 6 is a schematic perspective view of a rotary stacking system of a core module according to an embodiment of the present invention.
The following reference numerals are included in fig. 1 to 6:
battery cell module 10: the battery cell unit 11, the first battery cell 110, the second battery cell 111, and the tab 12;
the rotating assembly 20: a first rotary platform 21, a clamping component 210, a second rotary platform 22, a second lifting piece 220, a first rotary driving device 23 and a second rotary driving device 24;
the clamp assembly 30: a main bending jig 31, a fixing jig 32, and an auxiliary bending jig 33;
a third lifter 40;
the stacking mechanism 50 is rotated.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and fig. 2, in the manufacturing of the cell module 10 of this embodiment, two soft-packaged cells are firstly connected in parallel to form a cell unit 11, and then tabs 12 between two adjacent cell units 11 are welded and then connected in series to form the cell module 10, in order to stack the cell units 11, the welded tabs 12 are bent into a shape of "\ 21274", in the conventional process, the tabs are bent by using a punch forming method, the cell units 11 on both sides need to move each time, and the cell unit 11 on one side may be connected with the previously stacked cell unit 11, so that the moving path of the cell unit 11 needs to be reset each time of bending, which causes a problem of complex operation.
Therefore, the present invention provides a rotary bending mechanism for a tab of a battery cell module, which is used for realizing that a tab welding position between two battery cell units is rotatably bent into a ' 21274 ', and then stacked, as shown in fig. 3, an embodiment of the present invention provides a rotary bending mechanism for a tab of a battery cell module, which includes a fixing component, a rotating component 20 and a clamp component 30, wherein the fixing component is fixed with a first battery cell 110, the rotating component 20 includes a first rotating platform 21 and a second rotating platform 22, the first rotating platform 21 is provided with a clamping component 210 for fixing a second battery cell 111, a tab overlapping position between the first battery cell 110 and the second battery cell 111 is welded, the clamp component 30 is configured to clamp and fix the tab between the first battery cell 110 and the second battery cell 111, so as to form a first rotating center and a second rotating center on two sides of the tab welding position, the first rotating platform 21 and the second rotating platform 22 are configured to drive the second battery cell 111 to rotate around the first rotating center and the second rotating center, and the first rotating platform 21 and the second rotating platform 22 are configured to drive the second battery cell 111 to be stacked into a ' second battery cell 74110, and then stacked in front of the second battery cell 110.
As can be seen, the second cell 111 is fixed on the clamping component 210 on the first rotary platform 21, and the first rotary platform 21 and the second rotary platform 22 are matched to drive the second cell 111 to rotate around the first rotation center and the second rotation center, so that after two times of bending, the tab between the first cell 110 and the second cell 111 is bent into a shape of '21274', and the second cell 111 is stacked in front of the first cell 110, so that the tab welding position between two cell units is bent into a shape of '21274'.
Referring to fig. 4 and 5, optionally, the clamp assembly 30 includes a main bending clamp 31, a fixing clamp 32, and an auxiliary bending clamp 33 for clamping the tab, where the fixing clamp 32 is located between the main bending clamp 31 and the auxiliary bending clamp 33, the fixing clamp 32 compresses the welding position of the tab, the side edge of the main bending clamp 31 close to the fixing clamp 32 is used as a first rotation center during bending, and the side edge of the fixing clamp 32 close to the auxiliary bending clamp 33 is used as a second rotation center during bending; when the second cell 111 rotates around the first rotation center, the auxiliary bending fixture 33 and the fixing fixture 32 rotate along with the second cell 111; when the second cell 111 rotates around the second rotation center, the secondary bending fixture 33 rotates along with the second cell 111.
As can be seen, through the cooperation of the primary bending fixture 31, the fixing fixture 32, and the secondary bending fixture 33, a first rotation center and a second rotation center are formed at two sides of the welding position of the tabs of the first battery cell 110 and the second battery cell 111. When the second battery cell 111 rotates around the first rotation center, the auxiliary bending fixture 33 and the fixing fixture 32 rotate along with the second battery cell 111, so that the tab between the two battery cells is bent for the first time; when the second cell 111 rotates around the second rotation center, the auxiliary bending fixture 33 rotates along with the second cell 111, so that the secondary bending of the tab between the two cells is realized. Both realized bending twice and piling up of second electric core 111, provided a simple structure again, the reliable and stable anchor clamps subassembly of centre gripping.
Referring to fig. 3 to 5, optionally, the first rotating platform 21 is configured to synchronously drive the clamping component 210 and the secondary bending fixture 33 to rotate, and the second rotating platform 22 is configured to drive the fixing fixture 32 to rotate.
It can be seen that, through the cooperation of the first rotating platform 21 and the second rotating platform 22, the second battery cell 111, the auxiliary bending fixture 33 and the fixing fixture 32 rotate synchronously around the first rotating center to realize the first bending of the tab, and the first rotating platform 32 drives the clamping component 210 and the auxiliary bending fixture 33 synchronously to rotate, so as to drive the second battery cell 111 and the auxiliary bending fixture 33 to rotate synchronously around the second rotating center to realize the second bending of the tab. The bending mode is simple in structure, convenient and fast to operate and high in working efficiency.
Optionally, the rotating assembly 20 further includes a first rotating driving device 23 and a second rotating driving device 24, the first rotating driving device 23 is configured to drive the first rotating platform 21 to rotate around the second rotating center alone, and the second rotating driving device 24 is configured to drive the first rotating platform 21 and the second rotating platform 22 to rotate around the first rotating center synchronously.
It can be seen that the two rotation driving devices are used for respectively controlling the first rotation platform 21 and the second rotation platform 22, so that the overall structure of the rotation assembly can be simplified, and the stability and reliability of the operation of the mechanism can be ensured.
Optionally, the driving end of the first rotation driving device 23 is connected to the first rotation platform 21, the driving end of the second rotation driving device 24 is connected to the second rotation platform 22, the clamping component 210 and the secondary bending fixture 33 are installed on the first rotation platform 21, the fixing fixture 32 is installed on the second rotation platform 22, and the base of the first rotation platform 21 is installed on the second rotation platform 22.
As can be seen, by installing the first rotating platform 21 on the second rotating platform 22, the second rotating driving device 24 can drive the first rotating platform 21 and the second rotating platform 22 to synchronously rotate around the first rotating center, so that the second cell 111, the auxiliary bending fixture 33, and the fixing fixture 32 synchronously rotate around the first rotating center, thereby realizing the first bending of the second cell 111; the first rotation driving device 23 drives the first rotation platform 21 to rotate around the second rotation center, so that the second battery cell 111 and the auxiliary bending fixture 33 rotate around the second rotation center, so as to bend the second battery cell 111 for the second time.
Optionally, the clamping component 210 includes a clamping jaw assembly for clamping the second cell 111 and a suction cup assembly for suction-fixing the second cell 111.
It can be seen that the second battery cell 111 is adsorbed, clamped and fixed by the clamping jaw assembly and the suction cup assembly on the clamping component 210, so that the second battery cell 111 is ensured not to be displaced when being rotated and bent.
Optionally, the primary bending fixture 31 is located above the fixing fixture 32 and the secondary bending fixture 33, and the primary bending fixture 31 is configured to clamp a side of a welding position of a tab between the first battery cell 110 and the second battery cell 111, which is close to the first battery cell 110.
As can be seen, the main bending fixture 31 is arranged above the fixing fixture 32 and the auxiliary bending fixture 33, so that the main bending fixture 31, the fixing fixture 32 and the auxiliary bending fixture 33 can smoothly clamp and fix the tabs between the first battery cell 110 and the second battery cell 111, the peripheral space of the tabs between the first battery cell 110 and the second battery cell 111 is fully utilized, and the layout is reasonable; meanwhile, the clamping position of the main bending fixture 31 is the side of the welding position of the tab close to the first battery cell 110, so that the side edge of the main bending fixture 31 close to the fixing fixture 32 is used as a first rotation center during bending.
Optionally, a first lifting member (not shown in the figure) is disposed on the first rotating platform 21, a fixed end of the first lifting member is fixed on the first rotating platform 21, a driving end of the first lifting member is connected to the auxiliary bending fixture 33, a second lifting member 220 is disposed on the second rotating platform 22, a fixed end of the second lifting member 220 is fixed on the second rotating platform 22, a driving end of the second lifting member 220 is connected to the fixing fixture 32, and the main bending fixture 31 is connected to a driving end of the third lifting member 40.
As can be seen, the first lifting part, the second lifting part 220 and the third lifting part 40 respectively drive the auxiliary bending fixture 33, the fixing fixture 32 and the main bending fixture 31 to lift, when the second battery cell 111 is loaded and welded with the tab of the first battery cell 110, the auxiliary bending fixture 33 and the fixing fixture 32 descend, and the main bending fixture 31 ascends to avoid; after the second battery cell 111 is loaded and welded to the tab of the first battery cell 110, the auxiliary bending fixture 33 and the fixing fixture 32 are raised, and the main bending fixture 31 is lowered to clamp and fix the tab between the first battery cell 110 and the second battery cell 111.
Optionally, the first cell 110 and the second cell 111 are located on the same plane, after the second rotation platform 22 drives the second cell 111 to rotate by 90 ° around the first rotation center, the first rotation platform 21 further drives the second cell 111 to rotate by 90 ° around the second rotation center, so that a tab between the first cell 110 and the second cell 111 is bent into a shape of "21274", and the second cell 111 is stacked in front of the first cell 110.
As can be seen, by disposing the first cell 110 and the second cell 111 on the same plane, the second cell 111 is bent twice, each time bending is 90 °, the first bending bends the tab between the first cell 110 and the second cell 111 into an "L" shape, the second bending bends the tab between the first cell 110 and the second cell 111 into a "21274" shape, and the second cell 111 is stacked in front of the first cell 110. The bending and stacking mode is simple in process, easy to achieve and high in efficiency.
The utility model provides a pair of rotatory mechanism of bending of electric core module utmost point ear's working process as follows:
the first cell 110 is secured to a fixing assembly,
the second cell 111 is fixed to the clamping member 210,
the tab overlap between the first cell 110 and the second cell 111 is welded together,
the primary bending fixture 31, the fixing fixture 32 and the secondary bending fixture 33 clamp and fix the tab welding position between the first battery cell 110 and the second battery cell 111 to form a first rotation center and a second rotation center,
the second rotating device 24 drives the first rotating platform 21 and the second rotating platform 22 to synchronously rotate 90 degrees around the first rotating center, so that the second battery cell 111, the auxiliary bending fixture 33 and the fixing fixture 32 synchronously rotate 90 degrees around the first rotating center, the tab welding position between the first battery cell 110 and the second battery cell 111 is bent into an "L" shape,
the first rotating device 23 drives the first rotating platform 21 to rotate 90 ° around the second rotation center, so that the second cell 111 and the secondary bending fixture 33 synchronously rotate 90 ° around the second rotation center, and the tab welding position between the first cell 110 and the second cell 111 is bent into a "21274" shape, and the second cell 111 is stacked in front of the first cell 110.
The utility model provides a rotatory mechanism of bending of electricity core module utmost point ear has following advantage:
1) The tab is bent by adopting secondary rotation, compared with the existing stamping type bending, the operation is simple, the damage to the tab is small, and the defective rate is low;
2) The mode of welding and bending is adopted, so that the electrode lugs do not need to be rebounded after being bent, the electrode lugs do not need to be heated during bending, and the energy consumption is reduced;
3) Only the cell units to be stacked are moved when the tabs are bent, and the stacked cell units do not need to be moved, so that the moving path of the cell units does not need to be changed, the operation difficulty is reduced, and the cell units are further prevented from being damaged;
4) The two rotary platforms drive the battery cell unit to rotate, so that the overall structure is simplified, and the overall operation stability and reliability of the mechanism are good;
please refer to fig. 6, the utility model provides a rotatory stacking system of electric core module for with a plurality of electric core unit automatic weld with pile up the back and form electric core module, at least one operation station of rotatory stacking system of electric core module, welding mechanism and feed mechanism are provided with receiving agencies and two rotatory stacking mechanisms 50 on the operation station, two rotatory stacking mechanisms 50 set up for receiving agencies symmetry, wherein: the welding mechanism is used for welding the parts to be welded of the battery cell units 11 on the operation station; the feeding mechanism is used for conveying the battery cell unit 11 to an operation station; the rotary stacking mechanism 50 adopts the cell module tab rotary bending mechanism, and two rotary stacking mechanisms share one fixed assembly, wherein one rotary stacking mechanism is used for rotationally stacking the welded nth cell in front of the nth-1 cell, the other rotary stacking mechanism is used for rotationally stacking the welded (n + 1) th cell in front of the nth cell, and n is a positive even number; the receiving mechanism is used for bearing the stacked battery cell units 11.
The utility model provides a rotatory stacking system passes through feed mechanism, welding mechanism, receiving agencies and two rotatory stacking mechanism 50's cooperation, can realize the automatic series connection in proper order of a plurality of electric core units 11 and bend the production mode that piles up, and the removal of electric core unit is all through the mechanical component who predetermines the route, guarantees that circumstances such as mar, pit, pleat mark can not appear in electric core unit 11. The utility model provides a battery cell module that work efficiency is high, use manpower sparingly and can not cause the damage to electric core unit piles up equipment.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a rotatory mechanism of bending of electricity core module utmost point ear, its characterized in that, the rotatory mechanism of bending of electricity core module utmost point ear is including fixed subassembly, rotating assembly and anchor clamps subassembly, wherein:
a first battery cell is fixed on the fixing component,
the rotating assembly comprises a first rotating platform and a second rotating platform, the first rotating platform is provided with a clamping component for fixing a second battery cell, the overlapping part of the tabs between the first battery cell and the second battery cell is welded,
the clamp assembly is configured to clamp and fix a tab between a first battery cell and a second battery cell so as to respectively form a first rotation center and a second rotation center on two sides of a welding position of the tab,
the first rotating platform and the second rotating platform are configured to drive the second battery cell to rotate around the first rotating center and the second rotating center respectively, and after two times of bending, the tab between the first battery cell and the second battery cell is bent into a shape of '21274', and the second battery cell is stacked in front of the first battery cell.
2. The battery module tab rotary bending mechanism according to claim 1, wherein the clamp assembly comprises a main bending clamp, a fixing clamp and an auxiliary bending clamp, the main bending clamp, the fixing clamp and the auxiliary bending clamp are used for clamping a tab, the fixing clamp is located between the main bending clamp and the auxiliary bending clamp, the fixing clamp presses a welding position of the tab, the side edge of the main bending clamp, which is close to the fixing clamp, serves as a first rotation center during bending, and the side edge of the fixing clamp, which is close to the auxiliary bending clamp, serves as a second rotation center during bending;
when the second battery cell rotates around the first rotation center, the auxiliary bending clamp and the fixing clamp rotate along with the second battery cell;
when the second battery cell rotates around the second rotation center, the auxiliary bending fixture rotates along with the second battery cell.
3. The battery module tab rotary bending mechanism of claim 2, wherein the first rotary platform is configured to synchronously drive the clamping component and the secondary bending fixture to rotate, and the second rotary platform is configured to drive the fixing fixture to rotate.
4. The battery module tab rotary bending mechanism of claim 3, wherein the rotary assembly further comprises a first rotary driving device and a second rotary driving device, the first rotary driving device is configured to drive the first rotary platform to rotate around the second rotation center independently, and the second rotary driving device is configured to drive the first rotary platform and the second rotary platform to rotate around the first rotation center synchronously.
5. The battery module tab rotary bending mechanism of claim 4, wherein a driving end of the first rotary driving device is connected to the first rotary platform, a driving end of the second rotary driving device is connected to the second rotary platform, the clamping member and the secondary bending fixture are mounted on the first rotary platform, the fixing fixture is mounted on the second rotary platform, and a base of the first rotary platform is mounted on the second rotary platform.
6. The battery module tab rotary bending mechanism of claim 1, wherein the clamping component comprises a clamping jaw assembly for clamping the second battery cell and a suction disc assembly for adsorbing and fixing the second battery cell.
7. The battery module tab rotary bending mechanism of claim 2, wherein the primary bending fixture is located above the fixing fixture and the secondary bending fixture, and the primary bending fixture is configured to clamp a side, close to the first battery cell, of a welded joint of a tab between the first battery cell and the second battery cell.
8. The battery module tab rotary bending mechanism of claim 7, wherein a first lifting member is arranged on the first rotary platform, a driving end of the first lifting member is connected to the auxiliary bending fixture, a second lifting member is arranged on the second rotary platform, a driving end of the second lifting member is connected to the fixing fixture, and the main bending fixture is connected to a driving end of the third lifting member.
9. The battery cell module tab rotary bending mechanism of claim 1, wherein the first battery cell and the second battery cell are located on the same plane, and after the second rotary platform drives the second battery cell to rotate around the first rotary center by 90 °, the first rotary platform drives the second battery cell to rotate around the second rotary center by 90 °, so that the tab between the first battery cell and the second battery cell is bent into a "21274" shape, and the second battery cell is stacked in front of the first battery cell.
10. The utility model provides a rotatory system that piles up of electricity core module which characterized in that, includes at least one operation station, welding mechanism and feed mechanism, be provided with receiving agencies and two rotatory stacking agencies on the operation station, two rotatory stacking agencies for the receiving agencies symmetry sets up, wherein:
the welding mechanism is used for welding the parts to be welded of the battery cell units on the operation station;
the feeding mechanism is used for conveying the battery cell unit to an operation station;
the rotary stacking mechanism adopts a cell module tab rotary bending mechanism according to any one of claims 1 to 9, and the two rotary stacking mechanisms share a fixing component, wherein one rotary stacking mechanism is used for rotationally stacking a welded nth cell in front of an nth-1 cell, and the other rotary stacking mechanism is used for rotationally stacking a welded (n + 1) th cell in front of an nth cell, and n is a positive even number;
the receiving mechanism is used for bearing the stacked battery cell units.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222983762.0U CN218849543U (en) | 2022-11-09 | 2022-11-09 | Rotatory mechanism of bending of electricity core module utmost point ear and pile up system |
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| CN202222983762.0U CN218849543U (en) | 2022-11-09 | 2022-11-09 | Rotatory mechanism of bending of electricity core module utmost point ear and pile up system |
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