CN108258321B - Automatic power battery cell pairing machine - Google Patents

Automatic power battery cell pairing machine Download PDF

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Publication number
CN108258321B
CN108258321B CN201711330574.5A CN201711330574A CN108258321B CN 108258321 B CN108258321 B CN 108258321B CN 201711330574 A CN201711330574 A CN 201711330574A CN 108258321 B CN108258321 B CN 108258321B
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China
Prior art keywords
battery cell
cell
battery
welding
assembly
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CN201711330574.5A
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CN108258321A (en
Inventor
李贤明
何庆锋
李毅
牛增强
韩金龙
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United Winners Laser Co Ltd
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United Winners Laser Co Ltd
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Priority to CN201711330574.5A priority Critical patent/CN108258321B/en
Publication of CN108258321A publication Critical patent/CN108258321A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses an automatic battery cell pairing machine which comprises a workbench, a feeding manipulator and a battery cell buffer assembly component, wherein the feeding manipulator is respectively arranged on the length direction of the workbench and is used for feeding a battery cell, the battery cell buffer assembly component is arranged on one side of the feeding manipulator, defective product output components and battery cell turnover components are respectively arranged on two sides of the battery cell buffer assembly component, a pairing transfer component is arranged on the workbench and at one end, far away from the battery cell feeding manipulator, of the battery cell buffer assembly component, and a battery cell correction mechanism, a pre-welding transfer mechanism, a rubberizing component, a tab pre-welding component, a tab cutting component and a blanking moving mechanism are respectively arranged on one side of the battery cell buffer assembly component. The invention effectively solves the technical problems of complicated processing process, high production cost, low welding efficiency, low rubberizing and cutting precision of the conventional bundled battery cells, and has the characteristics of easiness in implementation, high automation program and the like.

Description

Automatic power battery cell pairing machine
Technical Field
The invention relates to the technical field of automatic equipment, in particular to an automatic power battery cell pairing machine.
Background
The lithium battery is a new generation green high-energy battery with excellent performance, and has the characteristics of high voltage, high capacity, low consumption, no memory effect, no pollution, small volume, small internal resistance, less self discharge, more cycle times and the like. But is widely applied to various civil and military fields such as automobile power batteries, mobile phones, notebook computers, tablet computers and the like.
In the manufacturing process of the lithium battery, two battery cores are matched and combined into a binding battery core according to the requirements of customers, the conventional operation is that a worker manually aligns the polarities of the two battery cores according to experience and then carries out rubberizing operation, the rubberized binding battery core is placed on a welding machine to pre-connect battery core lugs, and after welding, the worker manually cuts the lugs through a cutter. The operation mode is not only inaccurate in rubberizing and cutting, but also lower in yield, so that the whole production process is complicated, the welding precision, the production efficiency and the automation degree are lower, the labor intensity is high, and the requirement of mass battery production cannot be met.
Disclosure of Invention
In summary, the main purpose of the invention is to solve the technical problems of complicated processing process, high production cost, high welding efficiency, low rubberizing and cutting precision of the conventional bundled battery cells, and provide an automatic battery cell pairing machine.
In order to solve the technical problems, the invention provides an automatic power battery cell pairing machine, which is used for judging the cell polarities of a first cell and a second cell and automatically pairing and combining two single cells into a binding cell, and comprises: the battery cell welding machine comprises a workbench, a feeding manipulator, a battery cell buffer assembly, a battery cell loading manipulator, a battery cell correction mechanism, a battery cell buffer assembly and a pre-soldering lug correction mechanism, wherein the workbench is respectively arranged on the length direction of the workbench and is used for feeding battery cells, the battery cell loading manipulator is arranged on one side of the feeding manipulator, the first battery cells and the second battery cells are respectively and gradually transferred by a bottom layer belt line and lifted to the battery cell buffer assembly on a top layer belt line, defective product output components for removing unqualified battery cells from the battery cell buffer assembly are respectively arranged on two sides of the battery cell buffer assembly, the battery cell turnover components for matching positive and negative poles of the two battery cells are respectively transmitted to the first battery cells or the second battery cells on the top layer, the battery cell turnover components are arranged on the workbench and are far away from the battery cell loading manipulator, the paired battery cells and the second battery cells are respectively transferred and stacked on the battery cell correction mechanism, the battery cell buffer assembly is also respectively provided with a battery cell buffer assembly for transferring and combining battery cells by the paired battery cells, the paired battery cells are respectively transferred by the paired battery cell buffer assembly, the battery cells are used for trimming the pre-soldering lug correction mechanism, and the pre-soldering lug correction mechanism is used for trimming the battery cell pre-soldering lug correction assembly, and the pre-soldering lug correction assembly is used for trimming the battery cell bonding lug correction assembly, and the electrode assembly is used for trimming the electrode assembly.
The electric core buffer memory assembly subassembly includes: the first electric core conveyer that is used for conveying first electric core and symmetry set up and be used for conveying the second electric core conveyer of second electric core in first electric core conveyer one side on the workstation, first electric core conveyer includes: the battery cell lifting device comprises a bottom layer belt line, a middle layer belt line and a high layer belt line, wherein a group of first battery cell lifting mechanisms for lifting a first battery cell and a second battery cell from the bottom layer belt line to the middle layer belt line and a group of second battery cell lifting mechanisms for continuously lifting the first battery cell and the second battery cell on the middle layer belt line to the high layer belt line are symmetrically arranged on the outer sides of the first battery cell conveying device and the second battery cell conveying device respectively;
the structure of the first cell conveying device is the same as that of the second cell conveying device.
The defective product output assembly includes: the translation module is arranged on the workbench, the battery cell gripper is arranged on the translation module and is in sliding fit with the battery cell gripper, and the defective product belt line is used for outputting defective product battery cells, the translation module is arranged above the first battery cell conveying device and the second battery cell conveying device, and the defective product belt line is arranged outside the first battery cell conveying device and is parallel to the first battery cell conveying device.
The battery cell overturning assembly comprises: the battery cell transposition assembly device comprises a first battery cell turnover mechanism, a second battery cell turnover mechanism, a left and right branch assembly mechanism and a battery cell transposition assembly mechanism, wherein the first battery cell turnover mechanism and the second battery cell turnover mechanism are oppositely arranged on a workbench;
the first electric core tilting mechanism includes: the overturning support seat is vertically provided with two first sliding rails, one end of each of the two first sliding rails, which is positioned on the overturning support seat, is provided with a lifting buffer support, the other end of each of the two first sliding rails is provided with a cylinder cushion block, the first sliding rails are provided with first sliding blocks which slide in a matched manner, the first sliding blocks are provided with sliding plates which follow the first sliding blocks, the sliding plates are respectively provided with a rotary cylinder and a floating joint support, the movable ends of the rotary cylinders are connected with a pair of discharging clamping plates for clamping the battery cells through discharging clamping fixing plates arranged on the movable ends of the rotary cylinders, the lifting buffer supports are provided with oil pressure buffers, the cylinder cushion blocks are vertically provided with first cylinders, and the first battery cell overturning mechanism and the second battery cell overturning mechanism are identical in structure;
the left and right branch assembly mechanisms include: the support seat is arranged on a first bottom plate at the top of the support seat, a pair of second sliding rails and a second cylinder are arranged on the first bottom plate in the length direction, a second sliding block matched with the second sliding rail for sliding is arranged on the second sliding rail, a translation base which is matched with the second sliding rail for sliding is arranged on the second sliding block, a plurality of guide rods penetrate through the translation base, two battery core overturning seats are connected to the other ends of the plurality of guide rods, a plurality of limiting blocks for limiting the battery core are arranged on the battery core overturning seats in a surrounding manner, two upper pushing cylinders are further arranged on the translation base, and the second cylinder is connected with the translation base through a linkage plate arranged at the movable end of the second cylinder and drives the linkage plate and the translation base connected with the second cylinder to slide left and right on the second sliding rails respectively;
the battery cell transposition assembly mechanism comprises: the electric core clamping jaw comprises a portal frame supporting seat, an electric core bearing seat, a speed reducer, a coupler and a rotating shaft, wherein the electric core bearing seat is fixedly arranged on the portal frame supporting seat, the coupler and the rotating shaft are sequentially arranged on the electric core bearing seat in the axial direction and are in driving connection with the speed reducer, a turnover locking block is arranged on the rotating shaft, a pair of electromagnetic valves are arranged on the upper surface of the turnover locking block, and a pair of electric core clamping jaws are respectively arranged on the lower surface of the turnover locking block and are electrically connected with the pair of electromagnetic valves.
The paired transfer assembly comprises two support columns, a module mounting plate fixedly arranged at the tops of the two support columns, a first linear module is arranged on the module mounting plate, a battery core grabbing and transferring plate is arranged at the movable end of the linear module, and two groups of double-battery-core paired clamping jaws which are parallel to the first linear module and are used for transferring a first battery core and a second battery core which are positioned on the tail ends of the first battery core conveying device and the second battery core conveying device to the battery core correcting mechanism are respectively arranged on the battery core grabbing and transferring plate.
The pre-welding transfer mechanism comprises: the device comprises a pre-welding transfer support column, wherein a pre-welding module mounting plate is fixedly arranged at the top of the pre-welding transfer support column, a second linear module, a pre-welding transfer plate and a pre-welding frame, wherein the pre-welding transfer plate is in driving connection with the second linear module, the pre-welding frame is fixedly arranged on the pre-welding transfer plate, a third cylinder and a plurality of transfer limiting rods are respectively arranged on the pre-welding frame, floating joint mounting plates are respectively connected with the other ends of the transfer limiting rods and the movable ends of the third cylinder, the floating joint mounting plates are fixedly connected with a pre-welding beam fixing plate through a pair of reinforcing ribs fixedly arranged on the floating joint mounting plates, a vertical fixing plate is fixedly arranged between the floating joint mounting plates and the pre-welding beam fixing plate, a pre-welding claw beam is fixedly arranged at the bottom of the pre-welding beam fixing plate, and a plurality of clamping jaws for carrying out rubberizing, pre-welding, pole cutting and blanking operation on the combined battery cells on a battery cell correction mechanism are respectively and alternately transferred to a rubberizing assembly, a pre-welding assembly and a pole ear cutting assembly in sequence.
The rubberizing subassembly includes: the tail adhesive device and the side adhesive device, the tail adhesive device includes: the device comprises a workbench, a first stand column and a first battery cell positioning fixture, wherein the first stand column is arranged on the workbench, the first battery cell positioning fixture is arranged on one side of the stand column and used for positioning a battery cell, a tail adhesive bottom plate is arranged on the first stand column, a first adhesive pulling mechanism for straightening an adhesive tape and a first adhesive cutting mechanism for cutting the straightened adhesive tape are respectively arranged on two sides of the tail adhesive bottom plate, the cut adhesive tape is attached to a first adhesive attaching mechanism at the tail of the battery cell, and a piezoelectric core mechanism for positioning the battery cell in cooperation with the first battery cell positioning fixture is further arranged on the tail adhesive bottom plate.
The side glue sticking device comprises: the second stand columns are respectively arranged on the workbench, the second battery cell positioning fixture used for positioning the battery cell is arranged on one side of the second stand column, the side adhesive vertical plate is fixedly connected on the second stand column, the second adhesive pulling mechanism for straightening the adhesive tape and the second adhesive cutting mechanism for cutting the straightened adhesive tape are respectively arranged on two sides of the side adhesive vertical plate, the second adhesive sticking mechanism for sticking the cut adhesive tape to the tail part of the battery cell, and the battery cell mechanism used for positioning the battery cell is also arranged on the side adhesive vertical plate in a matched manner with the second battery cell positioning fixture.
The tab pre-welding assembly comprises a first pre-welding positioning clamp and a second positioning clamp which are used for positioning the battery cell after the adhesive tape is adhered, and a first ultrasonic welding machine and a second ultrasonic welding machine which are used for pre-welding the battery cell tab.
The tab cutting assembly includes: the electrode lug cutting jig is used for positioning the pre-welded electrode lug and the electrode lug cutting base arranged on one side of the electrode lug cutting jig, a die frame base is arranged on the electrode lug cutting base, a lower pressing cylinder is arranged at the top of the die frame base, the movable end of the lower pressing cylinder is connected with a connecting plate, a pressing plate is fixedly arranged on the other side of the connecting plate, two cutters and a plurality of springs are respectively arranged on the pressing plate, each spring is movably connected with a second bottom plate, a supporting plate is further arranged at the lower part in the die frame base, a pair of lower dies are arranged on the supporting plate, two notches for the cutters to extend out are formed in the second bottom plate, and two grooves corresponding to the shape of the lower dies and matched with the lower dies to cut off dies are formed in the lower dies.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: the invention can fully and automatically judge the cell polarity of two single cells conveyed by an external assembly line, and automatically pair and glue the two single cells to form a binding cell. And then, after the electrode lugs of the binding battery cells are subjected to ultrasonic pre-welding and cutting, outputting the finished binding battery cells. The whole process is operated by the machine in a full-automatic way without manual intervention, so that the labor intensity and the production cost are greatly reduced, and the working efficiency is obviously improved. The invention also has the characteristics of high automation degree, easy implementation and the like.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a cell buffer assembly of the present invention;
FIG. 3 is a schematic diagram of a defective output assembly according to the present invention;
fig. 4 is a schematic structural view of the battery cell overturning assembly of the present invention;
fig. 5 is a schematic structural view of a first battery cell turnover mechanism according to the present invention;
FIG. 6 is a schematic view of the construction of the left and right branch fitting mechanism of the present invention;
FIG. 7 is a schematic structural view of the cell indexing assembly mechanism of the present invention;
FIG. 8 is a partial schematic view of a paired transfer assembly of the present invention;
FIG. 9 is a schematic view of the structure of the pre-weld transfer mechanism of the present invention;
FIG. 10 is a schematic structural view of the rubberizing assembly of the invention;
FIG. 11 is a schematic view of another construction of the adhesive attachment device of the present invention;
FIG. 12 is another schematic view of a tab pre-weld assembly of the present invention;
FIG. 13 is another schematic view of a tab cutting assembly of the present invention;
Detailed Description
The following examples are further illustrative and supplementary of the present invention and are not intended to limit the invention in any way.
As shown in fig. 1, in the embodiment of the automatic power battery cell pairing machine of the present invention, the automatic pairing machine is used for judging the cell polarities of two single cells conveyed by an external assembly line, and automatically pairing and rubberizing the two single cells to form a binding cell. And then, after the electrode lugs of the binding battery cells are subjected to ultrasonic pre-welding and cutting, outputting the finished binding battery cells. The specific structure of the present invention will be described in detail.
As shown in fig. 1, the automatic pairing machine includes: the device comprises a workbench 1, a feeding manipulator 2, a battery cell buffer assembly component 3, a defective product output component 4, a battery cell overturning component 5, a pairing transfer component 6, a battery cell correction mechanism 7, a battery cell pre-welding transfer mechanism 8, a rubberizing component 9, a tab pre-welding component 10, a tab cutting component 11 and a blanking moving mechanism 12. The feeding mechanical arm 2 is respectively arranged on the length direction of the workbench and is used for respectively grabbing the first battery cell and the second battery cell and feeding the first battery cell and the second battery cell to the battery cell buffer assembly component 3. The electric core buffer assembly component 3 is arranged on one side of the feeding manipulator, and is used for respectively transmitting the first electric core and the second electric core which are grabbed and placed on the two parallel belt lines by the feeding manipulator layer by the bottom belt line and lifting the first electric core and the second electric core to the top belt line. The defective product output components 4 are arranged at two sides of the cell cache assembly component and are used for outputting the defective cell through the defective port output component after detecting the defective cell after scanning the two-dimensional code on the cell. The battery core overturning assembly 5 is arranged on the workbench and is positioned between the battery core buffer assembly 3 and the battery core pre-welding and pre-welding transfer mechanism 8, and is used for overturning the first battery core or the second battery core transmitted to the top layer so as to enable the positive electrode and the negative electrode of the two battery cores to be matched. In this embodiment, the battery cell flipping assembly 5 performs a flipping operation only on the second battery cell. The pairing transfer component 6 is arranged on the workbench and is far away from one end of the battery cell feeding manipulator 2, and is used for transferring and stacking the first battery cell and the second battery cell on the battery cell correction mechanism. The cell correction mechanism 7 is arranged at one side of the cell buffer assembly component 3 and is used for pairing and combining the single cells transferred by the pairing transfer component in pairs, and the positive and negative poles of the two single cells are matched. The pre-welding transfer mechanism 8 is arranged on one side of the cell buffer assembly component 3 and is used for transferring paired and combined cells to the rubberizing component, the pre-welding component and the tab cutting component in turn respectively and alternately, and the blanking moving mechanism is used for rubberizing, pre-welding, tab cutting, blanking and other operations. The rubberizing component 9 is arranged on one side of the cell buffer assembly component 3 and is used for rubberizing the tail and the side of the corrected and combined single cell. The tab pre-welding assembly 10 is arranged on one side of the battery cell buffer assembly 3 and is used for carrying out ultrasonic pre-welding on the positive and negative electrode tabs of the rubberized battery cell. The tab cutting assembly 11 is used for cutting the tab of the pre-welded battery cell. The blanking moving mechanism 12 outputs the cut finished battery cell.
As shown in fig. 2, the cell buffer assembly 3 includes: a first cell transfer device 31 disposed on the workbench 1 and used for transferring a first cell, and a second cell transfer device 32 symmetrically disposed on one side of the first cell transfer device and used for transferring a second cell, wherein the first cell transfer device comprises: the first battery cell conveying device and the second battery cell conveying device are respectively and symmetrically provided with a group of first battery cell lifting mechanisms 33 for lifting the first battery cell and the second battery cell from the bottom layer belt line to the middle layer belt line and a group of second battery cell lifting mechanisms 34 for continuously lifting the first battery cell and the second battery cell positioned on the middle layer belt line to the high layer belt line; the first cell transfer device 31 has the same structure as the second cell transfer device 32.
As shown in fig. 3, the defective product output unit 4 includes: the translation module 41 on the workstation is located on the translation module 41 and with its sliding fit's electric core tongs 42 and be used for exporting defective products belt line 43 of defective products electric core, the translation module sets up first electric core conveyer 31 and second electric core conveyer 32 top, defective products belt line 43 sets up the first electric core conveyer outside and is parallel to each other.
As shown in fig. 4, the battery cell flipping assembly 5 includes: the battery cell conversion assembly device comprises a first battery cell turnover mechanism 51, a second battery cell turnover mechanism 52, a left and right branch assembly mechanism 53 and a battery cell transposition assembly mechanism 54, wherein the first battery cell turnover mechanism 51 and the second battery cell turnover mechanism 52 are oppositely arranged on a workbench, the left and right branch assembly mechanism 53 is arranged between the first battery cell turnover mechanism and the second battery cell turnover mechanism, and the battery cell transposition assembly mechanism is arranged on one side of the left and right branch assembly mechanism;
as shown in fig. 5, the first battery cell turnover mechanism 51 includes: the overturning supporting seat 511, two first slide rails 512 are vertically arranged on the overturning supporting seat, one ends of the two first slide rails on the overturning supporting seat are provided with lifting buffer brackets 513, the other ends of the two first slide rails are provided with cylinder cushion blocks 514, the first slide rails are provided with first sliding blocks 515 which slide in a matched manner, the first sliding blocks are provided with sliding plates 516 which follow up the first sliding blocks, rotary cylinders 517 and floating joint brackets 518 are respectively arranged on the sliding plates, a pair of thin air claws 519 for clamping the battery cells are connected to the movable ends of the rotary cylinders, oil pressure buffers 520 are arranged on the lifting buffer brackets, first cylinders 521 are vertically arranged on the cylinder cushion blocks, and the structures of the first battery cell overturning mechanism 51 and the second battery cell overturning mechanism 52 are identical.
As shown in fig. 6, the left and right branch fitting mechanism 53 includes: the supporting seat 531 is arranged on a first bottom plate 532 at the top of the supporting seat, a pair of second sliding rails 533 and a second air cylinder 534 are arranged on the length direction of the first bottom plate, a second sliding block 535 matched with the second sliding rail to slide is arranged on the second sliding rail, a translation base 536 which is matched with the second sliding rail is arranged on the second sliding block, a plurality of guide rods 537 are arranged on the translation base in a penetrating mode, two battery core overturning seats 538 are connected with the other ends of the plurality of guide rods, a plurality of limiting blocks 539 for limiting the battery core are arranged on the battery core overturning seats in a surrounding mode, two jacking air cylinders 5310 are further arranged on the translation base 536, and the second air cylinder 534 is connected with the translation base through a linkage plate 5311 arranged at the movable end of the second air cylinder and drives the linkage plate and the translation base connected with the second air cylinder to slide left and right on the second sliding rail 533 respectively.
As shown in fig. 7, the electrical core transposition assembly mechanism 54 includes: the portal frame supporting seat 541 is fixedly arranged on a battery cell bearing seat 542 on the portal frame supporting seat, a speed reducer 543, a coupler 544 and a rotating shaft 545 which are in driving connection with the speed reducer are sequentially arranged on the battery cell bearing seat in the axial direction, a turnover locking block 546 is arranged on the rotating shaft, a pair of electromagnetic valves 547 are arranged on the upper surface of the turnover locking block, and a pair of battery cell clamping claws 548 which are electrically connected with the pair of electromagnetic valves are respectively arranged on the lower surface of the turnover locking block.
As shown in fig. 8, the pairing transfer assembly 6 includes two support columns 61, a module mounting plate 62 fixedly arranged at the tops of the two support columns, a first linear module 63 is mounted on the module mounting plate, a cell grabbing transfer plate 64 is mounted at the movable end of the linear module, and two groups of double-cell pairing clamping claws 65 which are parallel to the first linear module and transfer the first cell and the second cell positioned at the tail ends of the first cell transfer device and the second cell transfer device to the cell correction mechanism 7 are respectively arranged on the cell grabbing transfer plate.
As shown in fig. 9, the pre-welding transfer mechanism 8 includes: the pre-welding transfer support column 81, the top of the pre-welding transfer support column is fixedly provided with a pre-welding module mounting plate 82, the pre-welding module mounting plate is provided with a second linear module 83, and a pre-welding transfer plate 84 and a pre-welding frame 85 which are respectively connected with the second linear module in a driving way, the pre-welding frame is respectively provided with a third cylinder 86 and a plurality of transfer limit rods 87, the other ends of the transfer limit rods and the movable ends of the third cylinder are respectively connected with a floating joint mounting plate 88, the floating joint mounting plate is fixedly connected with a pre-welding beam fixing plate 810 through a pair of reinforcing ribs 89 fixedly arranged on the floating joint mounting plate, a vertical fixing plate 811 is fixedly arranged between the floating joint mounting plate and the pre-welding beam fixing plate, the bottom of the pre-welding beam fixing plate is fixedly provided with a pre-welding claw beam 812, and a plurality of electric cores which are positioned on the electric core correction mechanism 7 and combined are respectively and alternately arranged to the rubberizing assembly 9, the pre-welding assembly 10, the pole ear cutting assembly 11, the blanking mechanism 12, the pre-welding claw cutting device 813 and the blanking clamp device.
As shown in fig. 10 and 11, the rubberizing assembly 9 comprises: a tail glue device 91 and a side glue device 92. As shown in fig. 11, the tail adhesive sticking device includes: the first stand 911 on the workbench and the first battery cell positioning clamp 912 arranged on one side of the stand and used for positioning the battery cell are respectively arranged, the first stand is provided with a tail adhesive bottom plate 913, and two sides of the tail adhesive bottom plate 913 are respectively provided with a first adhesive pulling mechanism 914 for pulling the adhesive tape straight and a first adhesive cutting mechanism 915 for cutting the adhesive tape after the adhesive tape is straightened, and a first adhesive sticking mechanism 916 for sticking the cut adhesive tape to the tail of the battery cell, and the tail adhesive bottom plate 913 is also provided with a piezoelectric core mechanism 917 matched with the first battery cell positioning clamp and used for positioning the battery cell.
As shown in fig. 12, the adhesive applying device 92 includes: the two second stand columns 921 are respectively arranged on the workbench, the second battery cell positioning fixture 922 used for positioning the battery cell is arranged on one side of the second stand column, the side adhesive vertical plate 923 is fixedly connected to the second stand column, the second adhesive pulling mechanism 924 for pulling the adhesive tape straight and the second adhesive cutting mechanism 925 for cutting the adhesive tape after the adhesive tape is straightened are respectively arranged on two sides of the side adhesive vertical plate, the second adhesive sticking mechanism 926 for sticking the cut adhesive tape to the tail part of the battery cell, and the piezoelectric core mechanism 927 matched with the second battery cell positioning fixture 922 for positioning the battery cell is further arranged on the side adhesive vertical plate.
As shown in fig. 13, the tab pre-welding assembly 10 includes a first pre-welding positioning fixture 101 and a second positioning fixture 102 for positioning the taped battery cells, and a first ultrasonic welder 103 and a second ultrasonic welder 104 for pre-welding the battery cell tabs.
As shown in fig. 14, the tab cutting assembly 11 includes: the electrode lug cutting jig is used for positioning the pre-welded electrode lug and the electrode lug cutting base 112 arranged on one side of the electrode lug cutting jig, a die frame base 113 is arranged on the electrode lug cutting base 112, a lower pressing cylinder 114 is arranged at the top of the die frame base, the movable end of the lower pressing cylinder is connected with a connecting plate 115, a pressing plate 116 is fixedly arranged on the other surface of the connecting plate, two cutters 117 and a plurality of springs 118 are respectively arranged on the pressing plate, each spring is movably connected with a second bottom plate 119, a supporting plate 120 is further arranged at the lower part in the die frame base 113, a pair of lower dies 121 are arranged on the supporting plate, two notches for the cutters to extend out are formed in the second bottom plate 119, and two grooves which correspond to the shape of the lower dies and are matched with the lower dies to cut off dies.
Although the present invention has been disclosed by the above embodiments, the scope of the present invention is not limited thereto, and each of the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the present invention.

Claims (9)

1. The utility model provides a power battery electric core automatic pairing machine, automatic pairing machine is used for judging the section to the positive negative pole of two monomer electric cores and automatic pair the combination of two monomer electric cores becomes a binding electric core, its characterized in that, automatic pairing machine includes: the workbench (1) is respectively arranged on a feeding manipulator (2) for feeding the battery cells in the length direction of the workbench, a plurality of first battery cells and second battery cells which are grabbed by the feeding manipulator and placed on two parallel belt lines are respectively transmitted by a bottom belt line layer by layer and lifted to a battery cell buffer assembly component (3) on a top belt line layer by layer, defective product output components (4) for removing the battery cells which are unqualified in detection from the battery cell buffer assembly component and battery cell overturning components (5) for overturning the first battery cells or the second battery cells transmitted to the top layer so as to match the positive poles and the negative poles of the two battery cells are respectively arranged on two sides of the battery cell buffer assembly component, the battery cell feeding mechanical arm comprises a battery cell feeding mechanical arm (2), a battery cell buffer assembly (3) and a battery cell correction mechanism (7), a battery cell pre-welding transfer mechanism (8) for transferring battery cells, a rubberizing assembly (9) for rubberizing single battery cells after correction and combination, a tab pre-welding assembly (10) for pre-welding positive and negative tabs of the rubberized battery cells, a tab cutting assembly (11) for cutting tabs of the battery cells, a battery cell fixing assembly (3) and a tab cutting assembly (3) for cutting tabs of the battery cells, wherein the battery cells are paired in pairs and matched with each other, are arranged on one end of the workbench, far away from the battery cell feeding mechanical arm (2) The blanking moving mechanism (12) is used for outputting finished product battery cells; the battery cell overturning assembly (5) comprises: the battery cell assembling device comprises a first battery cell turnover mechanism (51), a second battery cell turnover mechanism (52), a left and right branch assembling mechanism (53) and a battery cell transposition assembling mechanism (54), wherein the first battery cell turnover mechanism (51) and the second battery cell turnover mechanism (52) are oppositely arranged on a workbench, the left and right branch assembling mechanism (53) is arranged between the first battery cell turnover mechanism and the second battery cell turnover mechanism, and the battery cell transposition assembling mechanism is arranged on one side of the left and right branch assembling mechanism; the first cell turnover mechanism (51) comprises: the battery cell overturning device comprises an overturning supporting seat (511), wherein two first sliding rails (512) are vertically arranged on the overturning supporting seat, a lifting buffer support (513) is arranged at one end of each of the two first sliding rails, a cylinder cushion block (514) is arranged at the other end of each of the two first sliding rails, a first sliding block (515) which slides in a matched mode is arranged on each of the first sliding rails, a sliding plate (516) which follows each of the first sliding blocks is arranged on each of the first sliding blocks, a rotary cylinder (517) and a floating joint support (518) are respectively arranged on each of the sliding plates (516), a pair of thin gas claws (519) for clamping a battery cell are connected to the movable end of each rotary cylinder, a hydraulic buffer (520) is arranged on each of the lifting buffer supports, and a first cylinder (521) is vertically arranged on each of the cylinder cushion blocks, and the first battery cell overturning mechanism (51) and the second battery cell overturning mechanism (52) are identical in structure; the left and right branch fitting mechanism (53) includes: the mobile phone comprises a supporting seat (531), a first bottom plate (532) arranged at the top of the supporting seat, a pair of second sliding rails (533) and a second cylinder (534) are arranged on the first bottom plate (532) in the length direction, a second sliding block (535) which slides in a matched mode is arranged on the second sliding rail, a translation base (536) which is matched with the second sliding block is arranged on the second sliding block, a plurality of guide rods (537) are arranged on the translation base in a penetrating mode, two battery core overturning seats (538) are connected to the other ends of the plurality of guide rods, a plurality of limiting blocks (539) for limiting a battery core are arranged on the battery core overturning seats in a surrounding mode, two upper pushing cylinders (5310) are further arranged on the translation base (535), and the second cylinder (534) is connected with the translation base through a linkage plate (5311) arranged at the movable end of the second cylinder and drives the linkage plate and the translation base connected with the second cylinder to slide left and right on the second sliding rail (533) respectively; the cell transposition assembly mechanism (54) comprises: the electric core clamping jaw comprises a portal frame supporting seat (541) and a battery core bearing seat (542) fixedly arranged on the portal frame supporting seat, wherein a speed reducer (543), a coupler (544) and a rotating shaft (545) are sequentially arranged on the axial direction of the battery core bearing seat and are in driving connection with the speed reducer, a turnover locking block (546) is arranged on the rotating shaft, a pair of electromagnetic valves (547) are arranged on the upper surface of the turnover locking block, and a pair of battery core clamping jaws (548) electrically connected with the pair of electromagnetic valves are respectively arranged on the lower surface of the turnover locking block.
2. The automatic power cell battery cell pairing machine according to claim 1, wherein the battery cell buffer assembly (3) comprises: a first cell transmission device (31) arranged on the workbench (1) and used for transmitting a first cell, and a second cell transmission device (32) symmetrically arranged on one side of the first cell transmission device and used for transmitting a second cell, wherein the first cell transmission device comprises: the first battery cell conveyor and the second battery cell conveyor are respectively and symmetrically provided with a group of first battery cell lifting mechanisms (33) for lifting the first battery cell and the second battery cell from the bottom layer belt line to the middle layer belt line and a group of second battery cell lifting mechanisms (34) for continuously lifting the first battery cell and the second battery cell on the middle layer belt line to the high layer belt line; the first cell transfer device (31) has the same structure as the second cell transfer device (32).
3. The automatic power cell battery cell pairing machine according to claim 1, wherein the defective product output assembly (4) comprises: the battery cell conveyor comprises a translation module (41) arranged on a workbench, a battery cell gripper (42) arranged on the translation module (41) and in sliding fit with the battery cell gripper, and a defective product belt line (43) for outputting defective product battery cells, wherein the translation module is arranged above a first battery cell conveyor (31) and a second battery cell conveyor (32), and the defective product belt line (43) is arranged outside the first battery cell conveyor and is parallel to the first battery cell conveyor.
4. The automatic power battery cell pairing machine according to claim 1, wherein the pairing transfer assembly (6) comprises two support columns (61), a module mounting plate (62) fixedly arranged at the tops of the two support columns, a first linear module (63) is arranged on the module mounting plate, a cell grabbing transfer plate (64) is arranged at the movable end of the linear module, and two groups of double-cell pairing clamping jaws (65) used for transferring a first cell and a second cell positioned at the tail ends of the first cell transfer device and the second cell transfer device to a cell correction mechanism (7) are respectively arranged on the cell grabbing transfer plate.
5. The automatic power cell battery cell pairing machine according to claim 1, wherein the pre-welding transfer mechanism (8) includes: the device comprises a pre-welding transfer support column (81), a pre-welding module mounting plate (82) is fixedly arranged at the top of the pre-welding transfer support column, a second linear module (83) is mounted on the pre-welding module mounting plate, a pre-welding transfer plate (84) which is connected with the second linear module in a driving mode and a pre-welding frame (85) which is fixedly arranged on the pre-welding transfer plate are respectively mounted on the pre-welding frame, a third air cylinder (86) and a plurality of transfer limiting rods (87) are respectively mounted on the pre-welding frame, floating joint mounting plates (88) are respectively connected with the movable ends of the other ends of the transfer limiting rods and the third air cylinder, the floating joint mounting plates are fixedly connected with a pre-welding beam fixing plate (810) through a pair of reinforcing ribs (89) fixedly arranged on the floating joint mounting plates, a vertical fixing plate (811) is fixedly arranged between the floating joint mounting plates and the pre-welding beam fixing plate, a pre-welding beam (812) is further fixedly arranged at the bottom of the pre-welding beam fixing plate, a plurality of electric cores which are positioned on a cell correction mechanism (7) are respectively and sequentially alternated to a glue assembly (9), a pre-welding lug assembly (813) and a pre-welding lug assembly (11) and a lower electrode assembly and a cutting electrode assembly (17) and a lower electrode assembly) are arranged at intervals in the length direction of the pre-welding claw assembly.
6. The automatic power cell battery pairing machine according to claim 1, characterized in that said rubberizing assembly (9) comprises: paste tail mucilage binding and put (91) and subsides side mucilage binding and put (92), paste tail mucilage binding and put and include: the battery cell positioning device comprises a workbench, a first stand column (911) and a first battery cell positioning clamp (912) arranged on one side of the stand column and used for positioning a battery cell, wherein a tail adhesive bottom plate (913) is arranged on the first stand column, a first adhesive pulling mechanism (914) for pulling an adhesive tape straight and a first adhesive cutting mechanism (915) for cutting the adhesive tape after the adhesive tape is straightened are respectively arranged on two sides of the tail adhesive bottom plate (913), and a first adhesive sticking mechanism (916) for sticking the cut adhesive tape to the tail of the battery cell, and a piezoelectric core mechanism (917) used for positioning the battery cell and matched with the first battery cell positioning clamp are further arranged on the tail adhesive bottom plate (913).
7. The automatic power cell battery cell pairing machine according to claim 6, wherein the side glue attaching device (92) includes: two second stand (921) that set up respectively on the workstation are in second stand one side be used for locating the second electric core positioning fixture (922) of electric core, the rigid coupling has subsides side glue riser (923) on the second stand, install second that will glue the tape and draw gluey mechanism (924) and cut off second bale splitter (925) of cutting off the sticky tape after will straightening on the both sides of subsides side glue riser respectively to and paste second rubberizing mechanism (926) of electric core afterbody with the sticky tape after cutting off, still be equipped with on the subsides side glue riser with second electric core positioning fixture (922) cooperation is with electric core location's piezoelectric core mechanism (927).
8. The automatic battery cell pairing machine according to claim 1, wherein the tab pre-welding assembly (10) comprises a first pre-welding positioning fixture (101) and a second positioning fixture (102) for positioning the taped battery cells, and a first ultrasonic welding machine (103) and a second ultrasonic welding machine (104) for pre-welding the battery cell tabs.
9. The automatic power cell battery cell pairing machine according to claim 1, wherein the tab cutting assembly (11) comprises: the battery cell cutting device comprises a battery cell cutting clamp for positioning a battery cell after pre-welding and a battery cell cutting base (112) arranged on one side of the battery cell cutting clamp, wherein a die frame base (113) is arranged on the battery cell cutting base (112), a lower pressing cylinder (114) is arranged at the top of the die frame base, the movable end of the lower pressing cylinder is connected with a connecting plate (115), a pressing plate (116) is fixedly arranged on the other side of the connecting plate, two cutters (117) and a plurality of springs (118) are respectively arranged on the pressing plate, each spring is movably connected with a second bottom plate (119), a supporting plate (120) is further arranged on the lower part in the die frame base (113), a pair of lower dies (121) are arranged on the supporting plate, two notches for the cutters to extend out are formed in the second bottom plate (119), and two grooves corresponding to the shape of the lower dies and matched with the lower dies for cutting dies.
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