CN114211151B - Automatic welding ring streamline of battery cell and battery cell welding station - Google Patents

Automatic welding ring streamline of battery cell and battery cell welding station Download PDF

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Publication number
CN114211151B
CN114211151B CN202111669308.1A CN202111669308A CN114211151B CN 114211151 B CN114211151 B CN 114211151B CN 202111669308 A CN202111669308 A CN 202111669308A CN 114211151 B CN114211151 B CN 114211151B
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China
Prior art keywords
station
battery cell
rubberizing
welding
magnetic suspension
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CN202111669308.1A
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CN114211151A (en
Inventor
石新华
石建华
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Wuxi Jiaocheng Intelligent Technology Co ltd
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Wuxi Jiaocheng Intelligent Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/02Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0404Machines for assembling 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
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The application discloses an automatic welding annular streamline and welding station for battery cells, which comprises the following steps: the first Y is to the transportation line, first X is to transportation line, second Y is to transportation line and second X to transportation line, and each transportation line links up in proper order, forms annular transportation line, sets up multiunit magnetic suspension drive module on the annular transportation line, sets up battery cell tool on the magnetic suspension drive module, places the battery cell. The annular conveying line is provided with an empty disc battery cell jig station, a connecting sheet feeding station, a discharge core electrode lug straightening station, a discharge welding pressing plate station, a discharge protection sheet station, a left positive electrode lug welding station, a right positive electrode lug welding station, a battery cell transplanting station, a right negative electrode lug welding station, a left negative electrode lug welding station, a welding pressing plate power taking station and a battery cell taking station respectively, wherein the stations are sequentially arranged along with the annular line. The application solves the problems of the traditional battery cell automatic assembly line production line design and the procedure design that the production line beat is not compact enough.

Description

Automatic welding ring streamline of battery cell and battery cell welding station
Technical Field
The application relates to the technical field of battery cell assembly automation equipment, in particular to a battery cell automation welding ring streamline and a battery cell welding station.
Background
Along with the rapid development and application of electric automobiles and the increasing worldwide requirements on energy conservation and environmental protection, the requirements on the battery cell assembly of the key component automobile in the electric automobile industry are also increasing. At present, along with the improvement of management and control of quality systems by battery cell manufacturers, the production requirements of battery cells are higher and higher.
The tact time is the productivity of the product that the company must maintain to meet the customer's needs, and is also the rhythm of the factory or production, and there are many factors affecting the tact of the production line, such as (1) personnel factors, (2) process steps, station setting factors, and (3) equipment stability factors. (4) The factors of the incoming material parts, (5) the logistical factors, etc., and the influence of the stability factors of the equipment is particularly important.
The equipment stability refers to production interruption caused by unstable equipment or tools, production cannot be carried out according to planned speed, the factors of equipment interruption are very many, and excellent production line design and good daily maintenance are important factors for ensuring equipment stability. The automatic assembly line of the battery cells in the prior art has the problems that the design of the production line and the design of the working procedure are not compact, the number of the neutral positions is large, and the beat of the production line is not high enough to meet the market demand of customers.
Therefore, there is a need to provide an automated welding loop flow line for battery cells and an optimized welding station for battery cells that addresses the above-described issues.
Disclosure of Invention
The application aims to provide a battery cell automatic welding annular streamline, which solves the problems that the traditional battery cell automatic assembly line production line design and process design are not compact and the production line beat is not high enough.
In order to solve the technical problems, the application provides an automatic welding annular streamline of a battery cell, comprising: first Y is to transportation line, first X to transportation line, second Y to transportation line and second X to transportation line, first Y is to transportation line, first X to transportation line, second Y to transportation line and second X to transportation line sequence linking, forms annular transportation line, set up multiunit magnetic suspension drive module on the annular transportation line respectively, set up battery cell tool on the magnetic suspension drive module for place the battery cell.
Preferably, the annular transportation line is provided with an empty disc battery cell jig station, a connecting sheet feeding station, a discharging core electrode lug station, a welding pressing plate station, a protection plate station, a left positive electrode lug welding station, a right positive electrode lug welding station, a battery cell transplanting station, a right negative electrode lug welding station, a left negative electrode lug welding station, a welding pressing plate power taking station, a lug shaping station and a battery cell taking station respectively, the above stations are sequentially arranged along with the annular line, the empty disc battery cell jig station is arranged on a first Y-direction transportation line, the connecting sheet feeding station, the discharging core electrode lug station, the welding pressing plate station, the protection plate station, the left positive electrode lug welding station and the right positive electrode lug welding station are arranged on the first X-direction transportation line, and the battery cell transplanting station is arranged on a second Y-direction transportation line.
Preferably, a third Y-direction conveying line is arranged between the welding pressing plate placing station and the welding pressing plate taking station in a matching mode, and a pressing plate grabbing and placing mechanism is arranged on the third Y-direction conveying line.
Preferably, the empty dish battery cell tool station cooperation is connected the clamping jaw feed mechanism of battery cell, connection piece feed station cooperation is connected connection piece feed mechanism, put welding clamp plate station connection clamp plate and snatch and place the mechanism, put protection piece station cooperation and connect protection piece and get and put the mechanism, the anodal utmost point ear welding station of left side the anodal utmost point ear welding station cooperation respectively is connected anodal utmost point ear welding mechanism, the anodal utmost point ear welding station of right side and the anodal utmost point ear welding station of left side cooperate respectively and are connected negative pole utmost point ear welding mechanism, get welding clamp plate station connection clamp plate and snatch and place the mechanism.
Preferably, the first Y-direction transportation line and the second Y-direction transportation line all comprise Y-direction linear modules, Y-direction sliding block guide rails are arranged on two sides of each Y-direction linear module, X-direction magnetic suspension assemblies are arranged on each Y-direction linear module, each X-direction magnetic suspension assembly comprises an X-direction magnetic suspension stator, the sliding block guide rails are arranged on two sides of the lower part of each X-direction magnetic suspension stator to conduct Y-direction positioning, the first X-direction transportation line and the second X-direction transportation line comprise magnetic suspension bases, a plurality of sections of magnetic suspension stators are arranged on each magnetic suspension base, the sliding block guide rails are arranged on two sides of each plurality of sections of magnetic suspension stators, and each X-direction magnetic suspension stator and each plurality of sections of magnetic suspension stators can be in butt joint with each other with high precision.
Preferably, a plurality of magnetic levitation movers are arranged on the annular transportation line, battery cell jigs are arranged on the magnetic levitation movers, sliding blocks are arranged on the lower portions of the magnetic levitation movers, and magnetic levitation annular transplanting is carried out on a plurality of sections of magnetic levitation stators and X-direction magnetic levitation stators by the magnetic levitation movers.
Preferably, the magnetic suspension stators comprise stator bases and magnetic suspension stator sheets, and the opposite angles at two ends of each magnetic suspension stator sheet are provided with staggered missing blocks, so that when every two groups of magnetic suspension stators are in butt joint, the staggered missing blocks of one group of magnetic suspension stators are in cross connection with the staggered missing blocks of the other adjacent group of magnetic suspension stators.
The application further aims to provide a battery cell welding station, which further solves the problems that the traditional battery cell automatic assembly line production line design and the process design are not compact, and the production line beat is not high enough.
The utility model provides a battery cell welding station, includes foretell automatic welding ring streamline of battery cell, and the battery cell that turns out through getting battery cell station shifts into rotary platform, and rotary platform rotates the battery cell subassembly to just, reverse rubberizing station, and one side of just, reverse rubberizing station sets up battery cell forward rubberizing device opposite side and sets up battery cell reverse rubberizing device, battery cell forward rubberizing device with battery cell reverse rubberizing device carries out synchronous rubberizing to the battery cell of just, reverse rubberizing station, rubberizes are accomplished, and rotary platform rotates the battery cell subassembly to detection station, and the battery cell subassembly of standard is transferred to on-the-spot transfer chain, and the battery cell subassembly of detection inadequately is transferred to NG transfer chain.
Preferably, the battery cell forward rubberizing device includes:
the Z-axis driving module is connected with the X-axis driving module and is connected with the rubberizing assembly through a connecting piece;
the rubberizing assembly comprises a Z-axis driving piece, wherein the Z-axis driving piece is directly in driving connection with the tab rubberizing sucker assembly, and the Z-axis driving piece is also in driving connection with the primary elastic buffer assembly;
the first-stage elastic buffer assembly comprises an elastic structure limiting piece, and is connected with the Z-axis driving piece to limit the upward displacement of the elastic piece;
the guide piece is movably connected with the elastic structure limiting piece in the Z-axis direction relatively, the lower part of the guide piece is connected with the rubberizing sucker component of the battery cell main body,
the elastic piece is arranged below the elastic structure limiting piece and above the battery cell main body rubberizing sucker component, and the elastic piece compresses and drives the battery cell main body rubberizing sucker component to move downwards;
and in a non-rubberizing state, the tab rubberizing sucker assembly is flush with the sucker bottom surface of the battery cell main body rubberizing sucker assembly.
Preferably, the reverse rubberizing device of battery cell includes:
the Z-axis driving module is connected with the X-axis driving module and is upwards connected with the rubberizing component through a connecting piece;
the rubberizing assembly comprises a Z-axis driving piece, and two groups of primary elastic buffer assemblies are connected above the Z-axis driving piece;
the first-stage elastic buffer assembly comprises an elastic structure limiting piece, is connected above the Z-axis driving piece and limits downward displacement of the elastic piece;
the two groups of guide parts are oppositely and movably connected with the elastic structure limiting part in the Z axial direction, and the upper parts of the two groups of guide parts are respectively connected with the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly;
the two groups of elastic pieces are arranged above the elastic structure limiting piece, the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly are arranged below the battery cell main body rubberizing sucker assembly, and the two groups of elastic pieces are compressed to respectively drive the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly to move upwards;
and in a non-rubberizing state, the tab rubberizing sucker assembly is flush with the sucker top surface of the battery cell main body rubberizing sucker assembly.
Compared with the related art, the application has the following beneficial effects:
according to the application, the first Y-direction conveying line, the first X-direction conveying line, the second Y-direction conveying line and the second X-direction conveying line are sequentially connected to form the annular conveying line, a plurality of groups of magnetic suspension driving modules are respectively arranged on the annular conveying line, and the magnetic suspension driving modules generate power through a magnetic field, are non-contact and wear-free, and have an ultra-long service life and lower maintenance cost compared with the traditional conveying line. The magnetic suspension driving module drives the battery cell jig and places the battery cells to sequentially process each procedure, each magnetic suspension rotor can have independent motion state at the same moment, and the magnetic suspension driving module is matched with the process operation of each station, so that the magnetic suspension driving module does not need to wait synchronously, is free and flexible, has no winding trouble, is compact in procedure connection, and improves the beat speed and the efficiency.
Drawings
FIG. 1 is a schematic station diagram of an automated welding loop flow line for a battery cell of the present application;
FIG. 2 is a schematic view of the automated welding loop flow line of the battery cell of the present application;
FIG. 3 is a schematic side elevational view of FIG. 2;
FIG. 4 is an enlarged schematic view of a portion of the portion I of FIG. 2;
FIG. 5 is a schematic structural view of a magnetic levitation assembly of the present application battery cell automated weld ring streamline;
FIG. 6 is a schematic diagram of a battery cell welding station of the present application;
fig. 7 is a schematic structural diagram of a battery cell forward rubberizing device;
FIG. 8 is an enlarged schematic view of a portion of the portion II of FIG. 7;
fig. 9 is a schematic structural diagram of a battery cell reverse rubberizing device;
reference numerals in the drawings:
1. a Z-axis driving module, 2, a connecting frame,
3. the rubberizing assembly, 301 cylinder mounting plate, 302, slipway cylinder, 303, rubberizing device connecting plate, 304, big sucker assembly, 305, spring stopper, 308, stopper end cap, 309, small sucker guide plate, 3091, guide accommodating groove, 310, first spring assembly, 311, small sucker assembly,
4. a first Y-direction conveying line, 5, a first X-direction conveying line, 6, a second Y-direction conveying line, 7 and a second X-direction conveying line,
8. a Y-direction linear module, 801, a slide block guide rail, 802 and a guide rail slide block,
9. magnetic levitation component 901, magnetic levitation stator 902, magnetic levitation rotor 9011, stator base 9012, magnetic levitation stator piece, 9013, second magnetic levitation stator piece, 9014, staggered block, 10, battery cell jig, 11, magnetic levitation base 12, empty disk battery cell jig station, 13, connection piece feeding station, 14, discharge core lug station, 15, discharge welding press plate station, 16, discharge protection piece station, 17, left positive pole lug welding station, 18, right positive pole lug welding station, 19, battery cell transplanting station, 20, right negative pole lug welding station, 21, left negative pole lug welding station, 22, welding press plate taking station, 23, lug shaping station, 24, battery cell taking station, 25, clamping jaw feeding mechanism, 26, connection piece feeding mechanism, 27, press plate grabbing and placing mechanism, 28, protection piece picking and placing mechanism, 29, positive pole lug welding mechanism, 30, negative pole lug welding mechanism, 31, third Y-direction transportation line, 32, rotary platform, 33, positive pole lug welding station, negative pole lug welding station,
a. the battery cell automatic welding annular streamline, b, the positive rubberizing device of battery cell, b1, positive rubberizing X axle drive module, c, the reverse rubberizing device of battery cell, c1, reverse rubberizing X axle drive module.
Detailed Description
The application will be further described with reference to the drawings and embodiments.
First embodiment
As shown in fig. 1 to 6, an automatic welding loop line for battery cells comprises a first Y-direction transportation line 4, a first X-direction transportation line 5, a second Y-direction transportation line 6 and a second X-direction transportation line 7, wherein the first Y-direction transportation line 4, the first X-direction transportation line 5, the second Y-direction transportation line 6 and the second X-direction transportation line 7 are sequentially connected anticlockwise to form an annular transportation loop line.
Specifically, the first Y-direction transportation line 4 and the second Y-direction transportation line 5 all comprise Y-direction linear modules 8, slide block guide rails 801 are arranged on two sides of each Y-direction linear module 8, X-direction transplanting magnetic suspension assemblies 9 are arranged on each Y-direction linear module 8, each transplanting magnetic suspension assembly 9 comprises a transplanting magnetic suspension stator 901, guide rail slide blocks 802 are arranged on two sides of the lower portion of each transplanting magnetic suspension stator 901 for guiding and positioning, a transplanting magnetic suspension rotor 902 is connected above each transplanting magnetic suspension stator 901, a battery cell jig 10 is connected above each transplanting magnetic suspension rotor 902, and transplanting battery cells are placed on each battery cell jig 10.
The first X-direction conveying line 5 and the second X-direction conveying line 6 comprise a magnetic suspension base 11, a plurality of magnetic suspension stators 901 are arranged on the magnetic suspension base 11, sliding block guide rails 801 are paved on the magnetic suspension stators 901, magnetic suspension stators 902 are arranged on the magnetic suspension stators 901, guide rail sliding blocks 802 are arranged at corresponding positions of the magnetic suspension stators 902, battery cell jigs 10 are arranged on the magnetic suspension stators 902, and the battery cell jigs 10 are used for bearing battery cells. The first X-direction conveying line 5 and the second X-direction conveying line 6 generate power through a magnetic field, are non-contact and wear-free, and have the advantages of being long in service life and low in maintenance cost compared with a traditional conveying line. And each magnetic levitation mover 902 can have independent motion state at the same time, and is free and flexible without synchronous waiting in cooperation with the process operation of the respective station.
The magnetic suspension stator 901 comprises a stator base 9011 and magnetic suspension stator plates 9012, wherein staggered missing blocks 9013 are arranged at opposite angles at two ends of the magnetic suspension stator plates 9012, so that when every two groups of magnetic suspension stators 901 are in butt joint, the staggered missing blocks of one group of the magnetic suspension stators 901 are in cross connection with the staggered missing blocks 9013 of the adjacent other group of the magnetic suspension stators 901, the defect of precision caused by magnetic breaking at the juncture is avoided, the magnetic suspension stators 901 are arranged on the magnetic suspension base 11, the height error is reduced, and the repeated positioning precision, the running speed and the acceleration are comprehensively controlled.
The magnetic levitation movers 902 drive the battery cell jig 10 to be transplanted on the first Y-direction conveying line 4, the first X-direction conveying line 5, the second Y-direction conveying line 6 and the second X-direction conveying line 7 in an annular mode, process operation of each station on the annular line is matched, each magnetic levitation mover 902 has an independent motion state, process operation of each station is matched, synchronous waiting is not needed, process compactness is improved, and production beats are improved.
In other embodiments, the automatic battery cell welding circulation line comprises the following stations shown in fig. 1, namely an empty battery cell jig station 12, a connecting sheet feeding station 13, a discharging core pole lug straightening station 14, a welding pressing plate station 15, a protection sheet placing station 16, a left positive pole lug welding station 17, a right positive pole lug welding station 18, a battery cell transplanting station 19, a right negative pole lug welding station 20, a left negative pole lug welding station 21, a welding pressing plate taking station 22, a pole lug shaping station 23 and a battery cell taking station 24. Among the above stations, the empty tray battery cell jig station 12 is disposed on the first Y-direction transporting line 4, and the battery cell transplanting station 10 is disposed on the second Y-direction transporting line 6. The connecting sheet feeding station 13, the discharging core electrode lug smoothing station 14, the welding pressing plate station 15, the protecting sheet placing station 16, the left positive electrode lug welding station 17 and the right positive electrode lug welding station 18 are respectively arranged on the first X-direction conveying line 5 from left to right along the edge. The right negative electrode tab welding station 20, the left negative electrode tab welding station 21, the welding pressing plate taking station 22, the tab shaping station 23 and the battery cell taking station 24 are respectively arranged on the second X-direction conveying line 7 from right to left along the edge. The independent modules of each station are arranged, so that complicated design is avoided, the upgrading, reconstruction and recombination of the production line are facilitated, and the cost is saved. At the same time, each magnetic suspension rotor has an independent motion state, and is free and flexible in cooperation with the process operation of the respective station without synchronous waiting.
The empty disc battery cell jig station 12 is matched and connected with a clamping jaw feeding mechanism 25 of a battery cell, the connecting sheet feeding station 13 is matched and connected with a connecting sheet feeding mechanism 26, the working procedure of placing the battery cell electrode lugs is realized by the discharging core stroking tab 14 station, the welding pressing plate station 15 is connected with a pressing plate grabbing and placing mechanism 27, the protecting sheet station 16 is matched and connected with a protecting sheet taking and placing mechanism 28, the left positive electrode tab welding station 17 and the right positive electrode tab welding station 18 are respectively matched and connected with a positive electrode tab welding mechanism 29, the battery cell welded by the right positive electrode tab is carried and transplanted to a second Y-direction conveying line 6 by a magnetic levitation rotor 902 and the battery cell jig 10 thereof, and is transported to the second X-direction conveying line 7, a stator 901 of the second Y-direction conveying line 6 is in butt joint with a magnetic levitation stator 901 of the second X-direction conveying line 7, and the magnetic levitation rotor and the battery cell jig of the second Y-direction conveying line 6 are driven and transplanted to the second X-direction conveying line 7 for subsequent working procedures. The right and left electrode tab welding stations 20 and 21 are respectively matched and connected with an electrode tab welding mechanism 30, the electrode tab shaping station 23 is connected with a pressing plate grabbing and placing mechanism 27, and then enters a battery cell taking station 24, and a battery cell feeding and discharging clamping jaw clamps and transplants the battery cell to a subsequent station.
A third Y-direction transport line 31 is provided between the welding platen placing station 15 and the welding platen taking station 22, and the platen grabbing and placing mechanism 27 is provided on the third Y-direction transport line 31.
The magnetic levitation mover 901 with the annular streamline in the structure and an external mechanism realize cooperative linkage, so that the conveying and the processing are integrated. The whole magnetic suspension annular line is in an absolute position control mode, the power is not required to return to zero again, the transition is smooth, the operation is stable, the magnetic suspension speed is 300m/min, the positioning precision is +/-0.02 MM, the station stopping precision meets the requirement, the accumulated error is smaller than the maximum error, the beat of the production line is optimized, and the efficiency of the whole welding station is improved.
In the whole welding station production line, the time required for the cell loading of the empty disc battery cell jig station to reach the secondary fixed point is 3 seconds, the time required for the cell to reach the connecting sheet loading station by the CI magnetic suspension circulation line upper jig and the connecting sheet on the connecting sheet loading station is 2 seconds, the time required for the magnetic suspension to reach the electrode lug station appointed position to smooth the electrode lug is 3 seconds, the time required for the magnetic suspension circulation line upper jig and the cell to reach the welding press plate station appointed position to place the press plate, the time required for the magnetic suspension to reach the welding anode of the welding appointed position welder, the time required for the magnetic suspension and the linear motor to match the welding cathode of the cell to reach the welding position welder is 5 seconds, the time required for the magnetic suspension circulation line upper jig and the cell to reach the welding press plate station appointed position to get the press plate is 2 seconds, the time required for the jig and the cell to reach the electrode lug station reshaping electrode lug is 5 seconds, and the time required for the following procedure shaping jig and the cell to reach the rubberizing module to grasp the position to paste the front face, and the ng blanking time is 3 seconds. (3+2+3+2+5+5+2+5+3)/4=8s, namely the average time of each cell is 8S, the production line beat reaches 7.5 blocks/min, the production line beat is more optimized, and the efficiency is higher.
Second embodiment
Referring to fig. 6, 7, 8, 9 and others, a second embodiment of the present application provides a battery cell welding station based on the battery cell automated welding loop line a provided by the first embodiment of the present application. The implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, a battery cell welding station includes a battery cell automated welding loop line a as provided in the first embodiment, and the welded battery cell flow transferred from the battery cell taking station 24 enters a battery cell automated production line process flow system. Specifically, the battery core feeding and discharging clamping claw places the welded battery core assembly into the rotary platform 32, the rotary platform 32 rotates the battery core assembly to the positive rubberizing station 33 and the negative rubberizing station 33, one side of the positive rubberizing station 33 and the negative rubberizing station 33 are provided with the battery core positive rubberizing device b, the other side of the positive rubberizing device b is provided with the battery core negative rubberizing device c, the rotary platform 32 rotates to the detection station through the positive rubberizing process and the negative rubberizing process of the battery core, then the up-to-standard battery core assembly flows to the field conveying line, the up-to-standard battery core assembly flows to the NG conveying line, the rotary platform 32 flows to the station to have compact rhythm, the production line beat is greatly shortened, and the production efficiency is improved.
In other embodiments, as shown in fig. 7 and 8, the battery cell forward rubberizing device b includes a forward rubberizing X-axis driving module b1, the forward rubberizing X-axis driving module b1 is connected with a Z-axis driving module 1 as shown in fig. 1, a connecting frame 2 is disposed on the Z-axis driving module 1, and the Z-axis driving module drives the connecting frame 2 to move in the Z-axis direction. The connecting frame 2 is connected with the rubberizing component 3. Specifically, including cylinder mounting panel 301, the slip table cylinder 302 is installed to one side of cylinder mounting panel 301, and rubberizing device connecting plate 303 is connected in the slide outside of slip table cylinder 302, big sucking disc subassembly 304 is connected to rubberizing device connecting plate 303's bottom, and behind the Z axle drive module 1 drive in place downwards, slip table cylinder 302 drive rubberizing device connecting plate 303 and then drive big sucking disc subassembly 304 in Z axial motion. The rubberizing device connecting plate 303 is still connected one-level elasticity buffer unit, and specifically, one-level elasticity buffer unit includes two spring stopper 305 that rubberizing device connecting plate 303's upper portion outside is connected, spring stopper 305 sets up Z axial through-hole, the through-hole internal connection guide post 307, the upper end of guide post 307 sets up spacing end cap 308, and little sucking disc deflector 309 is connected to the lower extreme, little sucking disc deflector 309 is L type, two direction accommodation groove 3091 are set up to two guide posts 307 corresponding to the inboard of little sucking disc deflector 309, the cross-sectional dimension of direction accommodation groove 3091 is greater than the syntropy cross-sectional dimension of spring stopper 305. A first spring assembly (not shown, see 310 reference numeral of fig. 9) is sleeved on the guide post 307 in the guide accommodating groove 305. The lower end of the guide post 307 is connected to the bottom plate of the small suction cup guide plate 309, and the bottom plate of the small suction cup guide plate 309 is connected to the small suction cup assembly 311. When in a natural state, the adsorption bottom surface of the small sucker component 311 is flush with the adsorption bottom surface of the large sucker component 304, so that the integral type adhesive tape to be stuck is convenient to adsorb, the occurrence of air leakage is reduced, the adsorption force is large, and a foundation is provided for the subsequent integral sticking of the fall type.
As shown in fig. 9, the battery cell reverse rubberizing device c is different from the battery cell forward rubberizing device b in that a reverse rubberizing X-axis driving module c1 of the battery cell reverse rubberizing device c is arranged at the other side of the rotating platform, and the connection direction and the driving direction of the Z-axis driving module 1 and the rubberizing assembly 3 are reverse inversions. Specifically, the connecting frame 2 is arranged above the Z-axis driving module 1, the rubberizing component 3 is connected above the connecting piece 2, the small sucker component 311 and the large sucker component 304 are respectively arranged at the uppermost part of the rubberizing component 3, and rubberizing driving actions of the Z-axis driving module 1 and the sliding table cylinder 302 are upward pushing to paste the adhesive tape to the back surface of the battery cell positioned at the upper part.
Specifically, the upper part of the Z-axis driving module 1 is provided with a connecting frame 2, and the Z-axis driving module 1 drives the connecting frame 2 to move in the Z-axis direction. The upper part of the connecting frame 2 is connected with a rubberizing component 3. Specifically, each rubberizing subassembly 3 includes cylinder mounting panel 301, and slip table cylinder 302 is installed to one side of cylinder mounting panel 301, and rubberizing device connecting plate 303 is connected in the slide outside of slip table cylinder 302, guide post mounting panel 312 is connected at the top of rubberizing device connecting plate 303, sets up two Z axial through-holes on the guide post mounting panel 312, sets up two guide posts 307 in the through-hole, and the lower extreme of guide post 307 sets up spacing end cap 308, and the upper end of inboard guide post 307 sets up big sucking disc subassembly 304, and the upper end of outside guide post 304 sets up little sucking disc subassembly 311, all overlaps on every guide post 304 and establishes first spring assembly 310. When in a natural state, the adsorption top surface of the small sucker component 311 is flush with the adsorption top surface of the large sucker component 304, so that the integral type adhesive tape to be adhered is convenient to adsorb, the occurrence of air leakage is reduced, the adsorption force is large, and a foundation is provided for the subsequent integral adhesive tape with a drop height.
When the to-be-rubberized battery cell assembly is transferred to the forward rubberizing station 33 and the reverse rubberizing station 33 by the rotating platform 32, the battery cell forward rubberizing device b and the battery cell reverse rubberizing device c are simultaneously driven to the forward rubberizing station 33 by respective X-axis driving modules, and the to-be-rubberized battery cell assembly is rubberized in the forward and reverse simultaneously. The forward and reverse rubberizing is synchronously carried out to carry out reverse opposite direction rubberizing pressure and offset, the stress of each cell module station of the unidirectional unrestricted rotary platform is reduced, the equipment operation is more stable, and the stability is high. Meanwhile, the process rhythm is compact, the production line beat is greatly shortened, and the production efficiency is improved.
It should be noted that, the drawings of the battery cell reverse rubberizing device and the names of partial components in the drawings of the battery cell forward rubberizing device are consistent, so that the same reference numerals are used in the drawings, and each component in different views of the same reference numerals can be understood by referring to the reference numerals in the drawings, but the designation of the reference numerals in the respective drawings does not affect the separate expression of the reference numerals in another drawing.
The foregoing description of the present application is merely exemplary embodiments of the present application, and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes using the descriptions of the present application and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present application.

Claims (7)

1. A battery cell automated weld ring streamline, comprising: the device comprises a first Y-direction conveying line, a first X-direction conveying line, a second Y-direction conveying line and a second X-direction conveying line, wherein the first Y-direction conveying line, the first X-direction conveying line, the second Y-direction conveying line and the second X-direction conveying line are sequentially connected to form an annular conveying line, a plurality of groups of magnetic suspension driving modules are respectively arranged on the annular conveying line, and a battery cell jig is arranged on the magnetic suspension driving modules and used for placing battery cells;
the first Y-direction transportation line and the second Y-direction transportation line both comprise Y-direction linear modules, Y-direction sliding block guide rails are arranged on two sides of each Y-direction linear module, X-direction magnetic suspension assemblies are arranged on each Y-direction linear module, each X-direction magnetic suspension assembly comprises an X-direction magnetic suspension stator, the sliding block guide rails are arranged on two sides below each X-direction magnetic suspension stator to conduct Y-direction guiding and positioning, each first X-direction transportation line and each second X-direction transportation line comprises a magnetic suspension base, each magnetic suspension base is provided with each magnetic suspension stator, each two sides of each magnetic suspension stator are provided with each sliding block guide rail, and each X-direction magnetic suspension stator can be in high-precision butt joint with each magnetic suspension stator on each magnetic suspension base;
the annular transportation line is provided with a plurality of magnetic levitation movers, the magnetic levitation movers are provided with battery cell jigs, the lower parts of the magnetic levitation movers are provided with sliding blocks, and the magnetic levitation movers perform magnetic levitation annular transplanting on a plurality of sections of magnetic levitation stators and X-direction magnetic levitation stators;
the magnetic suspension base is provided with a plurality of sections of magnetic suspension stators, each magnetic suspension stator comprises a stator base and magnetic suspension stator sheets, and two opposite angles at two ends of each magnetic suspension stator sheet are provided with staggered blocks, so that when each two groups of magnetic suspension stators are in butt joint, the staggered blocks of one group of magnetic suspension stators are in cross connection with the staggered blocks of the adjacent other group of magnetic suspension stators.
2. The automatic welding ring streamline of battery cells according to claim 1, wherein an empty disc battery cell jig station, a connecting sheet feeding station, a discharging core electrode lug station, a welding pressing plate station, a protection sheet station, a left positive electrode lug welding station, a right positive electrode lug welding station, a battery cell transplanting station, a right negative electrode lug welding station, a left negative electrode lug welding station, a welding pressing plate taking station, a tab shaping station and a battery cell taking station are respectively arranged on the annular line, the empty disc battery cell jig station is arranged on a first Y-direction conveying line, the connecting sheet feeding station, the discharging core electrode lug station, the welding pressing plate station, the protection sheet discharging station, the left positive electrode lug welding station and the right positive electrode lug welding station are arranged on the first X-direction conveying line, the battery cell station is arranged on a second Y-direction conveying line, the right negative electrode lug welding station, the left negative electrode lug welding station, the welding pressing plate taking station and the battery cell shaping station are arranged on the second X-direction conveying line.
3. The automated welding loop flow line for battery cells of claim 1, wherein a third Y-direction transport line is disposed between the welding platen placing station and the welding platen removing station in a matching manner, and a platen grabbing and placing mechanism is disposed on the third Y-direction transport line.
4. The automatic welding ring streamline of battery cells of claim 1, wherein the empty disk battery cell jig station is matched and connected with a clamping jaw feeding mechanism of the battery cells, the connecting sheet feeding station is matched and connected with a connecting sheet feeding mechanism, the welding pressing plate station is connected with a pressing plate grabbing and placing mechanism, the protecting plate station is matched and connected with a protecting plate picking and placing mechanism, the left positive electrode tab welding station and the right positive electrode tab welding station are respectively matched and connected with a positive electrode tab welding mechanism, the right negative electrode tab welding station and the left negative electrode tab welding station are respectively matched and connected with a negative electrode tab welding mechanism, and the welding pressing plate picking and placing station is connected with a pressing plate grabbing and placing mechanism.
5. The automatic welding ring streamline of the battery cell comprises the battery cell automatic welding ring streamline of any one of claims 1 to 4, the battery cell rotated out by the battery cell taking station is transferred to a rotating platform, the rotating platform rotates a cell assembly to a forward rubberizing station and a reverse rubberizing station, one side of the forward rubberizing station and one side of the reverse rubberizing station are provided with the battery cell forward rubberizing device, the other side of the forward rubberizing device and the battery cell reverse rubberizing device synchronously rubberizes the battery cells of the forward rubberizing station and the reverse rubberizing station, rubberizing is completed, the rotating platform rotates the cell assembly to a detection station, the cell assembly reaching standards is transferred to a field conveying line, and the cell assembly reaching the standards is transferred to a NG conveying line.
6. The battery cell bonding station of claim 5, wherein the battery cell forward rubberizing device comprises:
the Z-axis driving module is connected with the X-axis driving module and is connected with the rubberizing assembly through a connecting piece;
the rubberizing assembly comprises a Z-axis driving piece, wherein the Z-axis driving piece is directly in driving connection with the tab rubberizing sucker assembly, and the Z-axis driving piece is also in driving connection with the primary elastic buffer assembly;
the first-stage elastic buffer assembly comprises an elastic structure limiting piece, and is connected with the Z-axis driving piece to limit the upward displacement of the elastic piece;
the guide piece is movably connected with the elastic structure limiting piece in the Z-axis direction relatively, the lower part of the guide piece is connected with the rubberizing sucker component of the battery cell main body,
the elastic piece is arranged below the elastic structure limiting piece and above the battery cell main body rubberizing sucker component, and the elastic piece compresses and drives the battery cell main body rubberizing sucker component to move downwards;
and in a non-rubberizing state, the tab rubberizing sucker assembly is flush with the sucker bottom surface of the battery cell main body rubberizing sucker assembly.
7. The battery cell bonding station of claim 5, wherein the battery cell reverse rubberizing device comprises:
the Z-axis driving module is connected with the X-axis driving module and is upwards connected with the rubberizing component through a connecting piece;
the rubberizing assembly comprises a Z-axis driving piece, and two groups of primary elastic buffer assemblies are connected above the Z-axis driving piece;
the first-stage elastic buffer assembly comprises an elastic structure limiting piece, is connected above the Z-axis driving piece and limits downward displacement of the elastic piece;
the two groups of guide parts are oppositely and movably connected with the elastic structure limiting part in the Z axial direction, and the upper parts of the two groups of guide parts are respectively connected with the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly;
the two groups of elastic pieces are arranged above the elastic structure limiting piece, the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly are arranged below the battery cell main body rubberizing sucker assembly, and the two groups of elastic pieces are compressed to respectively drive the battery cell main body rubberizing sucker assembly and the tab rubberizing sucker assembly to move upwards;
and in a non-rubberizing state, the tab rubberizing sucker assembly is flush with the sucker top surface of the battery cell main body rubberizing sucker assembly.
CN202111669308.1A 2021-12-31 2021-12-31 Automatic welding ring streamline of battery cell and battery cell welding station Active CN114211151B (en)

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CN115732739B (en) * 2022-12-01 2023-09-19 苏州德机自动化科技有限公司 Metal protection sheet assembling equipment of magnetic attraction battery
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