CN110449780A - A kind of lithium battery welding method - Google Patents
A kind of lithium battery welding method Download PDFInfo
- Publication number
- CN110449780A CN110449780A CN201910599877.XA CN201910599877A CN110449780A CN 110449780 A CN110449780 A CN 110449780A CN 201910599877 A CN201910599877 A CN 201910599877A CN 110449780 A CN110449780 A CN 110449780A
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- Prior art keywords
- lithium battery
- welding
- nickel strap
- turntable
- battery
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 146
- 238000003466 welding Methods 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 200
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 100
- 230000008569 process Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 34
- 230000007246 mechanism Effects 0.000 claims description 32
- 230000004888 barrier function Effects 0.000 claims description 11
- 238000012546 transfer Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lithium battery welding methods, the following steps are included: step S1, in turntable intermittent rotation process, positive lithium battery and the upward lithium battery of cathode upwards are sequentially sent in the battery case of turntable, the upward lithium battery of anode and the upward lithium battery interlaced arrangement of cathode in the battery case of turntable；Step S2, the nickel strap on upper nickel strap disk are sent to the upside of weld lithium battery, and the nickel strap on lower nickel strap disk is sent to the downside of weld lithium battery, upper mash welder and lower mash welder are close to each other, it realizes the double sides synchronous welding of lithium battery, forms lithium battery group after the completion of welding, cutter cuts off nickel strap；Step S3, lithium battery group are moved to unloading station with the rotation of turntable, and lithium battery group is carried out discharging by discharge arm.The present invention provides a kind of lithium battery welding methods, reduce labor intensity, improve welding efficiency.
Description
Technical field
The present invention relates to change power battery manufacturing field more particularly to a kind of lithium battery welding method.
Background technique
Currently, problem of energy crisis is outstanding day by day, so that people research and develop with focusing on new cleaning fuel and energy storage device.
Lithium battery is small in size with its, efficient, environmentally friendly, the advantages that having extended cycle life, oneself becomes current one of research hotspot.
In the prior art, it is all made of human weld in the electrode slice welding of lithium battery, to be packaged producing in enormous quantities
When need large batch of worker to carry out packing work.Therefore, there are problems that three: 1. are adopted when producing welding in enormous quantities here
Manually operation is so that artificial intensity is larger；2. working efficiency is low；3. high-volume worker is needed to operate so that manually at
This is higher；4, the product qualification rate after the completion of welding is lower.
For this purpose, the Chinese invention patent of existing Publication No. CN107775165A discloses " the welding side for lithium battery
Method and device ", comprising: by nickel strap be placed on lithium battery it is any extremely on；By the first pole welding rod of mash welder and the nickel strap
Contact, the second pole welding rod of the mash welder is contacted with any pole；The mash welder is controlled to weld the nickel strap
It is described it is any extremely on, wherein by the loop current between the first pole welding rod and the second pole welding rod by institute
State nickel strap be welded on it is described it is any extremely on.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the status of the prior art, a kind of lithium battery welding method is provided, is dropped
Low labor intensity improves welding efficiency.
The technical scheme of the invention to solve the technical problem is: a kind of lithium battery welding method, feature exist
In, comprising the following steps:
Step S1, in turntable intermittent rotation process, lithium battery and the upward lithium battery of cathode are sequentially sent to turn anode upwards
In the battery case of disk, the upward lithium battery of anode and the upward lithium battery interlaced arrangement of cathode in the battery case of turntable；
Step S2, the nickel strap on upper nickel strap disk are sent to the upside of weld lithium battery, and the nickel strap on lower nickel strap disk is sent to weldering
The downside of place's lithium battery is connect, upper mash welder and lower mash welder are close to each other, realize the double sides synchronous welding of lithium battery, and welding is completed
After form lithium battery group, cutter cuts off nickel strap；
Step S3, lithium battery group are moved to unloading station with the rotation of turntable, and lithium battery group is carried out discharging by discharge arm.
As an improvement, battery loading mechanism carries out in feeding process to lithium battery, the first limit plate in the step S1
To anode in first conveyer belt, lithium battery carries out single conveying upwards, and the second limit plate is to the upward lithium of cathode on the second conveyer belt
Battery carries out single conveying, is sheathed on the positive battery feeding hole in the annular sleeve of turntable periphery and the battery case on turntable is opposite
When, first stops cylinder with the first barrier plate downlink, and the lithium battery in first conveyer belt enters in battery case, later, the first resistance
Baffle uplink, similarly, the lithium battery on the second conveyer belt also sequentially enter in the battery case of turntable, meanwhile, positive battery feeding
Mechanism and the lithium battery feeding sequence of negative battery feed mechanism guarantee that the lithium battery in turntable battery case being capable of positive cathode friendship
Mistake arrangement.
It improves again, in the step S2, the nickel strap on upper nickel disk is under the action of upper transfer roller rotates into the upper of upper welding plate
In channel, it is limited between the road wall of upper channel into the two sides of the nickel strap in upper channel, meanwhile, the nickel strap on lower nickel strap disk
The cutting at platform into welding stage under the action of lower transfer roller, the capillary of upper mash welder is passed down through welding hole to the top of lithium battery
It is welded, the capillary of lower mash welder is upward through lower welding hole and welds to the lower part of lithium battery, the two-sided realization of lithium battery
Synchronous welding, after the completion of welding, upper mash welder and lower mash welder are separated from each other.
Improve again, in the step S2, upper cutter pass through upper welding plate upper cutting hole realize to the nickel strap in upper welding plate into
Row cutting, lower cutter pass through lower cutting hole and cut off to the nickel strap cut on platform.
It improves, in the step S2, is offered and upper channel phase on the side opposite with lithium battery in the upper welding plate again
The length in logical nickel strap hole, upper cutting hole is greater than the width of upper channel, and the width of upper channel is greater than the width in nickel strap hole.
It improves again, in the step S3, lithium battery group when leaving two-sided welding station, leave through nickel strap hole by lithium battery group
Upper welding plate.
It improves again, the upper mash welder and the lower mash welder mode of moving synchronously are that a turning gear is provided on the substrate
Wheel, the left rack gear and right rack gear engaged with rotate gear is vertically arranged in the two sides of rotate gear, and left rack gear and right rack gear are sliding
Dynamic to be set on substrate, upper mash welder is set to the upper end of left rack gear, and lower mash welder is set to the lower end of right rack gear.Turning gear
Wheel rotates clockwise, left rack gear with upper mash welder upward sliding, right rack gear with lower mash welder slide downward, upper mash welder and
Lower mash welder is separated from each other, and when rotate gear rotates counterclockwise, left rack gear is with upper mash welder slide downward, right rack gear band
Lower mash welder upward sliding, upper mash welder and lower mash welder are close to each other, and upper mash welder and lower mash welder can be to lithium batteries
It is two-sided while being welded.
It improves again, the gap rotating manner of the turntable is that a underactuated gear is provided on the welding stage, in institute
The inside for stating turntable offers the ring gear engaged with underactuated gear.Underactuated gear continuous rotation, in internal tooth
Under the action of circle, turntable intermittent rotation.
Compared with the prior art, the advantages of the present invention are as follows: lithium battery anode is sent by positive battery feed mechanism upwards
In the battery case of turntable, cathode of lithium battery is sent into battery case by negative battery feed mechanism upwards, on the battery case of turntable
Positive lithium battery and the upward lithium battery interlaced arrangement of cathode upwards, as turntable rotates, lithium battery moves to two-sided welding station,
At the same time, the nickel strap on upper nickel disk is fed through in the upper channel of upper welding plate by upper transfer roller, and the nickel strap on lower nickel disk enters weldering
Platform is cut at platform, and upper mash welder and lower mash welder are close to each other, and the capillary of upper mash welder is passed down through welding hole to lithium battery
Top welded, the capillary of lower mash welder is upward through lower welding hole and welds to the lower part of lithium battery, later, cutter
Nickel strap is cut off, the lithium battery group after the completion of welding is transported to unloading station, dumping cylinder movement, and discharge arm completes welding
Lithium battery group afterwards carries out discharging from the dumping pit of welding stage.Welding equipment of the invention is not necessarily to manually join in the whole welding process
With to reduce labor intensity, and improve welding efficiency.
Detailed description of the invention
Fig. 1 is the frame diagram of lithium battery welding method in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram for the lithium battery welding equipment being related in the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of Fig. 2 turntable and annular sleeve；
Fig. 4 is the structural schematic diagram that upper mash welder and lower mash welder are separated from each other in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of upper mash welder and lower mash welder in welding in Fig. 4；
Fig. 6 is the structural schematic diagram of upper welding plate in the embodiment of the present invention；
Fig. 7 is the structural schematic diagram in the embodiment of the present invention in upper welding plate when nickel strap cutting；
Fig. 8 is the structural schematic diagram of welding stage in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram cut when nickel strap is cut off on platform in the embodiment of the present invention；
Figure 10 is the driving structure schematic diagram of turntable intermittent rotary of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Firstly, being brief Jie for related lithium battery welding equipment involved by lithium battery welding method of the present invention
It continues.As shown in Fig. 2 to 10, lithium battery welding method in this implementation, including welding stage 1, battery loading mechanism, nickel strap feeder
Structure, two-sided welding mechanism 6 and shedding mechanism 7.
Wherein, it is provided with the turntable 2 of intermittent rotary on welding stage 1, multiple battery cases 21 are evenly equipped on the periphery wall of turntable 2,
It is equipped with an annular sleeve 3 in the outer cover of turntable 2, is vertically offered in positive battery feeding hole 31 and negative battery in annular sleeve 3
Expect hole 32.
As shown in Fig. 2, battery loading mechanism includes the positive battery feed mechanism being set at positive battery feeding hole 31
With the negative battery feed mechanism 4 being set at negative battery feeding hole 32, positive battery feed mechanism includes and positive battery
The connected first conveyer belt in feeding hole 31, the two sides of first conveyer belt are provided with the first limit plate, in the end of the first limit plate
It is provided with the first barrier plate, the first barrier plate and the connection of the first stop cylinder, negative battery feed mechanism 4 includes and negative battery
The second connected conveyer belt 41 of feeding hole 32, the two sides of the second conveyer belt 41 are provided with the second limit plate 42, in the second limit plate
42 end is provided with the second barrier plate 431, the second barrier plate 431 and the connection of the second stop cylinder 43.
The upper limit plate limited to the lithium battery in battery case 21 is provided in annular sleeve 3, by the way that upper limit is arranged
Plate has carried out effective limit to the lithium battery in battery case 21.
In conjunction with shown in Fig. 2,4 and 5, two-sided welding mechanism 6 includes the substrate 61 being vertically arranged positioned at 3 outside portion of annular sleeve,
It is fixedly installed the upper welding plate 63 positioned at 2 upper side of turntable on substrate 61, slides and is provided with positioned at upper welding plate 63 on substrate 61
The upper mash welder 62 of top, the lower mash welder 67 positioned at 1 lower section of welding stage, upper mash welder 62 and lower mash welder 67 move synchronously；Such as
Shown in Fig. 2,6 and 7, is offered in upper welding plate 63 and be used for the upper channel 632 that nickel strap passes through through entire upper welding plate 63, in upper welding plate
It is provided with nickel strap cutting table 64 on 63, cutting cylinder 65, the output end of upper cutting cylinder 65 are provided on upper nickel strap cutting table 64
It is connected with the upper cutter 651 for being cut off to the nickel strap in upper channel 632, one end of upper welding plate 63 is offered for above cutting
The upper cutting hole 633 that knife 651 passes through, the other end of upper welding plate 63, which is located at the downside of upper welding plate 63, offers connection upper channel
The length in 632 nickel strap hole 634, upper cutting hole 633 is greater than the width of upper channel 632, and the width of upper channel 632 is greater than nickel strap hole
634 width offers the upper welding hole 631 passed through for the capillary 621 of upper mash welder in the upper side of upper welding plate 63；Please again
In conjunction with shown in Fig. 8 and 9, it is formed on welding stage 1 with the opposite place of upper welding plate 63 and cuts platform 12, the thickness for cutting 12 height of platform and nickel strap is protected
It holds unanimously, the lower welding hole 13 passed through for the capillary 671 of lower mash welder is offered on cutting platform 12, in the downside for cutting platform 12
On be provided with lower cutting cylinder 691, the output end of lower cutting cylinder 691 is connected with for cutting to by cutting the nickel strap 693 on platform
Disconnected lower cutter 692 offers the lower cutting hole 14 passed through for lower cutter 692 on cutting platform 12.
Specifically, please in conjunction with shown in Figure 4 and 5, upper mash welder 62 and lower 67 mode of moving synchronously of mash welder are substrate 61
On be provided with a rotate gear 68, the left rack gear 661 engaged with rotate gear 68 is vertically arranged in the two sides of rotate gear 68
With right rack gear 662, left rack gear 661 and right rack gear 662 are slideably positioned on substrate 61, and upper mash welder 62 is set to left rack gear
661 upper end, lower mash welder 67 are set to the lower end of right rack gear 662.Rotate gear 68 rotates clockwise, left rack gear 661 with
Upper 62 upward sliding of mash welder, for right rack gear 662 with lower 67 slide downward of mash welder, upper mash welder 62 and lower mash welder 67 are mutual
Separation, and when rotate gear 68 rotates counterclockwise, left rack gear 661 with upper 62 slide downward of mash welder, right rack gear 662 with
Lower 67 upward sliding of mash welder, upper mash welder 62 and lower mash welder 67 are close to each other, upper mash welder 62 and lower mash welder 67
It is two-sided to lithium battery group 83 while welding.
Please in conjunction with shown in Fig. 2, there are two nickel strap feed mechanism tools, on respectively upper nickel strap feed mechanism 5 and lower nickel strap
Expect mechanism, upper nickel strap feed mechanism 5 includes upper nickel disk 51, the upper transfer roller 52 for being conveyed to the nickel strap 53 on upper nickel disk,
Nickel strap 53 on upper nickel disk penetrates in upper channel 632, and lower nickel strap feed mechanism includes lower nickel disk, for the nickel strap on lower nickel disk
The lower transfer roller conveyed, the nickel strap on lower nickel disk are worn to cutting on platform 12.
As shown in Fig. 2, shedding mechanism 7 is located at the top of turntable 2, shedding mechanism 7 include dumping cylinder 71, be vertically arranged and with
The discharge arm 72 of the output end connection of dumping cylinder 71, discharge arm 72 are located at the surface of two neighboring battery case, discharge arm 72
Shape is two adjacent lithium battery combined shapeds, is located on welding stage 1 and offers dumping pit 11 with the corresponding position of discharge arm 72.
Incorporated by reference to shown in Fig. 3, magnet 22 is provided on the cell wall of each battery case on turntable 2.In lithium battery feeding
In the process, when lithium battery is close to battery case 21, magnet 22 has a suction-operated to lithium battery, enters electricity convenient for lithium battery
In pond slot 21, in 2 rotation process of turntable, the lithium battery in battery case 21 is able to maintain steadily.
Incorporated by reference to shown in Figure 10, the gap rotating manner of turntable 2 is that a underactuated gear 23 is provided on welding stage 1,
The ring gear 24 engaged with underactuated gear 23 is offered in the inside of turntable 2.23 continuous rotation of underactuated gear,
Under the action of ring gear 24,2 intermittent rotary of turntable.
Battery loading mechanism is in feeding process, and to anode in first conveyer belt, lithium battery 81 carries out the first limit plate upwards
Single conveying, the second limit plate 42 carry out single conveying to the upward lithium battery 82 of cathode on the second conveyer belt 41, in annular sleeve 3
Positive battery feeding hole 31 and turntable 2 on battery case 21 it is opposite when, first stops cylinder with the first barrier plate downlink, first
Lithium battery on conveyer belt enters in battery case 21, later, the first barrier plate uplink, and similarly, the lithium electricity on the second conveyer belt 41
Pond also sequentially enters in the battery case 21 of turntable 2, meanwhile, the lithium electricity of positive battery feed mechanism and negative battery feed mechanism 4
Pond feeding sequence guarantees that the lithium battery in 2 battery case 21 of turntable being capable of positive cathode interlaced arrangement.
Lithium battery in battery case 21 turns to two-sided welding station with turntable 2, and the nickel strap 53 on upper nickel disk is at upper turn
Roller 52 enters in the upper channel 632 of upper welding plate 63 under the action of rotating, since the width in nickel strap hole 634 is less than upper channel 632
Width, the two sides of nickel strap are limited between the road wall of upper channel 632, by the way that nickel strap hole 634 is arranged in upper welding plate 63, so that
Two neighboring lithium battery does not stop between nickel strap pad, carries out discharging convenient for the lithium battery group 83 after the completion of welding, such as
Shown in Fig. 6；Meanwhile the nickel strap on lower nickel strap disk cutting at platform 12 into welding stage 1, upper 62 He of mash welder under the action of lower transfer roller
Lower mash welder 67 is close to each other, and the capillary 621 of upper mash welder is passed down through welding hole 631 and welds to the top of lithium battery
It connects, the capillary 671 of lower mash welder is upward through lower welding hole 13 and welds to the lower part of lithium battery, and the two-sided realization of lithium battery is same
Step welding, after the completion of welding, upper mash welder 62 and lower mash welder 67 are separated from each other, and upper cutter 651 is cut in upper welding plate 63
Disconnected hole 633, which is realized, cuts off the nickel strap in upper welding plate 63, and lower cutter 692 passes through lower cutting hole 14 to the nickel strap cut on platform 12
It is cut off, after the completion of cutting；Lithium battery group 83 is transported to unloading station, and dumping cylinder 71 acts, and discharge arm 72 completes welding
Lithium battery group 83 afterwards carries out discharging from the dumping pit 11 of welding stage 1.
In addition, as shown in Figure 1, the invention also discloses a kind of lithium battery welding methods, comprising the following steps:
Step S1, during 2 intermittent rotary of turntable, lithium battery 81 and the upward lithium battery 82 of cathode are successively sent anode upwards
Enter in the battery case 21 of turntable 2, lithium battery 81 and the upward lithium battery 82 of cathode interlock anode upwards in the battery case 21 of turntable 2
Arrangement；
Step S2, the nickel strap 53 on upper nickel strap disk are sent to the upside of weld lithium battery, the nickel strap on lower nickel strap disk send to
The downside of weld lithium battery, upper mash welder 62 and lower mash welder 67 are close to each other, realize the double sides synchronous welding of lithium battery, weldering
Lithium battery group 83 is formed after the completion of connecing, cutter cuts off nickel strap；
Step S3, lithium battery group 83 are moved to unloading station with the rotation of turntable 2, discharge arm 72 by lithium battery group 83 into
Row discharging.
Further, in step sl, battery loading mechanism carries out in feeding process to lithium battery, the first limit plate pair
Lithium battery 81 carries out single conveying to anode upwards in first conveyer belt, the second limit plate 42 to cathode on the second conveyer belt 41 to
Upper lithium battery 82 carries out single conveying, is sheathed on positive battery feeding hole 31 and the turntable 2 in the annular sleeve 3 of 2 periphery of turntable
Battery case 21 it is opposite when, first stops cylinder with the first barrier plate downlink, and the lithium battery in first conveyer belt enters battery case
In 21, later, the first barrier plate uplink, similarly, the lithium battery on the second conveyer belt 41 also sequentially enter the battery case 21 of turntable 2
It is interior, meanwhile, the lithium battery feeding sequence of positive battery feed mechanism and negative battery feed mechanism 4 guarantees 2 battery case 21 of turntable
Interior lithium battery being capable of positive cathode interlaced arrangement.
Further, in step s 2, the nickel strap 53 on upper nickel disk enters upper weldering under the action of upper transfer roller 52 rotates
In the upper channel 632 of plate 63, it is limited between the road wall of upper channel 632 into the two sides of the nickel strap in upper channel 632, together
When, nickel strap on lower nickel strap disk cutting at platform 12 into welding stage 1, the capillary 621 of upper mash welder under the action of lower transfer roller is downward
The top of lithium battery is welded across upper welding hole 631, the capillary 671 of lower mash welder is upward through lower welding hole 13 to lithium
The lower part of battery is welded, the two-sided realization synchronous welding of lithium battery, after the completion of welding, upper mash welder 62 and lower 67 phase of mash welder
Mutually separation.
Further, in step s 2, it realizes to upper welding plate in the upper cutting hole 633 that upper cutter 651 passes through upper welding plate 63
Nickel strap in 63 is cut off, and lower cutter 692 passes through lower cutting hole 14 and cuts off to the nickel strap cut on platform 12.
Further, in step s 2, it is offered and upper channel 632 on side opposite with lithium battery in upper welding plate 63
The length in the nickel strap hole 634 communicated, upper cutting hole 633 is greater than the width of upper channel 632, and the width of upper channel 632 is greater than nickel strap
The width in hole 634.
Further, in step s3, for lithium battery group 83 when leaving two-sided welding station, lithium battery group 83 is through nickel strap
Leave welding plate 63 in hole 634.
To sum up, lithium battery anode is sent into the battery case 21 of turntable 2 by positive battery feed mechanism of the invention upwards, is born
Cathode of lithium battery is sent into battery case 21 by pole battery loading mechanism 4 upwards, and lithium is electric upwards for anode on the battery case 21 of turntable 2
Pond and the upward lithium battery interlaced arrangement of cathode, as turntable 2 rotates, lithium battery moves to two-sided welding station, at the same time, on
Nickel strap 53 on nickel disk is fed through in the upper channel 632 of upper welding plate 63 by upper transfer roller 52, and the nickel strap on lower nickel disk enters welding stage 1
Cut at platform 12, upper mash welder 62 and lower mash welder 67 are close to each other, and the capillary 621 of upper mash welder is passed down through welding hole
The top of 631 pairs of lithium batteries is welded, the capillary 671 of lower mash welder be upward through lower welding hole 13 to the lower part of lithium battery into
Row welding, later, cutter cuts off nickel strap, and the lithium battery group 83 after the completion of welding is transported to unloading station, dumping cylinder 71
Lithium battery group 83 after the completion of welding is carried out discharging from the dumping pit 11 of welding stage 1 by movement, discharge arm 72.Welding of the invention is set
It is standby to be participated in the whole welding process without artificial, to reduce labor intensity, and improve welding efficiency.
Claims (8)
1. a kind of lithium battery welding method, which comprises the following steps:
Step S1, during turntable (2) intermittent rotary, the upward lithium battery (81) of anode and the upward lithium battery of cathode (82) are successively
It is sent into the battery case (21) of turntable (2), lithium battery (81) and cathode are upward upwards for anode in the battery case (21) of turntable (2)
Lithium battery (82) interlaced arrangement；
Step S2, the nickel strap (53) on upper nickel strap disk are sent to the upside of weld lithium battery, and the nickel strap on lower nickel strap disk is sent to weldering
The downside of place's lithium battery is connect, upper mash welder (62) and lower mash welder (67) are close to each other, realize the double sides synchronous welding of lithium battery,
Lithium battery group (83) are formed after the completion of welding, cutter cuts off nickel strap；
Step S3, lithium battery group (83) are moved to unloading station with the rotation of turntable (2), and discharge arm (72) is by lithium battery group
(83) discharging is carried out.
2. lithium battery welding method according to claim 1, it is characterised in that: in the step S1, battery loading mechanism
It is carried out in feeding process to lithium battery, lithium battery (81) progress is single upwards to anode in first conveyer belt for the first limit plate
Conveying, the second limit plate (42) carry out single conveying to the upward lithium battery of cathode (82) on the second conveyer belt (41), are sheathed on and turn
When the battery case (21) on positive battery feeding hole (31) and turntable (2) in the annular sleeve (3) of disk (2) periphery is opposite, first
Stop cylinder with the first barrier plate downlink, the lithium battery in first conveyer belt enters in battery case (21), later, the first barrier plate
Uplink, similarly, the lithium battery on the second conveyer belt (41) also sequentially enter in the battery case (21) of turntable (2), meanwhile, anode electricity
The lithium battery feeding sequence of pond feed mechanism and negative battery feed mechanism (4) guarantees the lithium electricity in turntable (2) battery case (21)
It pond being capable of positive cathode interlaced arrangement.
3. lithium battery welding method according to claim 1, it is characterised in that: the nickel in the step S2, on upper nickel disk
Band (53) enters under the action of upper transfer roller (52) rotate in the upper channel (632) of upper welding plate (63), interior into upper channel (632)
The two sides of nickel strap be limited in upper channel 632) road wall between, meanwhile, the effect of nickel strap on lower nickel strap disk in lower transfer roller
Lower cutting at platform (12) into welding stage (1), the capillary (621) of upper mash welder is passed down through welding hole (631) to lithium battery
Top is welded, and the capillary (671) of lower mash welder is upward through lower welding hole (13) and welds to the lower part of lithium battery, lithium
The two-sided realization synchronous welding of battery, after the completion of welding, upper mash welder (62) and lower mash welder (67) are separated from each other.
4. lithium battery welding method according to claim 3, it is characterised in that: in the step S2, upper cutter (651) is worn
The upper cutting hole (633) for crossing welding plate (63), which is realized, cuts off the nickel strap in upper welding plate (63), and lower cutter (692) passes through down
The nickel strap cut on platform (12) is cut off in cutting hole (14).
5. lithium battery welding method according to claim 4, it is characterised in that: in the step S2, the upper welding plate
(63) the nickel strap hole (634) communicated with upper channel (632), upper cutting hole (633) are offered on the side opposite with lithium battery
Length be greater than the width of upper channel (632), the width of upper channel (632) is greater than the width of nickel strap hole (634).
6. lithium battery welding method according to claim 5, it is characterised in that: in the step S3, lithium battery group (83)
When leaving two-sided welding station, lithium battery group (83) leaves upper welding plate (63) through nickel strap hole (634).
7. lithium battery welding method according to claim 1, it is characterised in that: in the step S2, the upper mash welder
(62) and lower mash welder (67) mode of moving synchronously is, a rotate gear (68) is provided on the substrate (61), in turning gear
The two sides of wheel (68) are vertically arranged the left rack gear (661) and right rack gear (662) engaged with rotate gear (68), left rack gear
(661) it being slideably positioned on substrate (61) with right rack gear (662), upper mash welder (62) is set to the upper end of left rack gear (661),
Lower mash welder (67) is set to the lower end of right rack gear (662).
8. lithium battery welding method according to claim 1, it is characterised in that: the gap rotating manner of the turntable (2)
For, a underactuated gear (23) is provided on the welding stage (1), the inside of the turntable (2) offer with not exclusively
Drive the ring gear (24) of gear (23) engagement.
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| CN113351975A (en) * | 2021-05-28 | 2021-09-07 | 钟思兰 | Continuous spot welding device for welding lithium battery pack and using method |
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