CN102769143B - Automatic production line for button type lithium battery - Google Patents

Automatic production line for button type lithium battery Download PDF

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CN102769143B
CN102769143B CN201210237765.8A CN201210237765A CN102769143B CN 102769143 B CN102769143 B CN 102769143B CN 201210237765 A CN201210237765 A CN 201210237765A CN 102769143 B CN102769143 B CN 102769143B
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battery
location notch
carrier chain
rotary
lithium
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CN102769143A (en
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张亮
尙海波
彭忆愉
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WUHAN TKS AUTOMATION EQUIPMENT Co Ltd
WUHU HAN-TEST TECHNOLOGY Co Ltd
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Abstract

The invention discloses an automatic production line for a button type lithium battery. The automatic production line comprises a frame, wherein a negative shell feeding device is arranged on the frame; the output tail end of the negative shell feeding device is provided with a conveying device; a lithium belt cutting mechanism, a lithium belt stamping and molding mechanism and a diaphragm cutting mechanism are arranged along the conveying device; a lithium belt conveying mechanism is arranged beside the lithium belt cutting mechanism; and a diaphragm conveying mechanism is arranged beside the diaphragm cutting mechanism. The automatic production line for the button type lithium battery has the obvious advantages that the production efficiency is greatly improved, the degree of automation is high, and manual labor is saved; the automatic production line is novel in concept, simple in structure and convenient to use and maintain, and face processing is changed into three-dimensional processing; and moreover, the cost is reduced, a servo motor serves as power, the motion characteristics are controllable, the processing quality and efficiency are improved, the total efficiency is improved by 6 times and more, and the automatic production line is compact in structure and convenient in layout.

Description

Automatic production line for button type lithium battery
Technical field
The invention belongs to button lithium battery process units, be specifically related to the automatic manufacturing device being automatically loaded shaping lithium sheet and barrier film in a kind of button cell cathode shell.
Background technology
Known by West China, Chengdu mechanical investigations with the production line of Chengdu Jian Zhong lithium battery factory joint research and development be rush by negative cover sealing ring assembling robot, lithium sheet fill automaton, barrier film rushes and fills automaton, once notes electrolyte automaton, positive plate automaton, secondary injection electrolyte automaton, inhales electrolyte automaton, anode cover automaton, seals nine kinds of units such as automaton and add that conveying system is formed by connecting by technological process, adopts multiple sensing detection element and PLC control.Its productive temp is 20-40pcs/min.
Patent documentation ZL 200720037964.9 button type lithium-manganese battery automatic production line.Its technological process is substantially the same, comprises and seals this process from upper negative cover to positive and negative electrode closing lid.What lithium material punch forming device adopted is miniature punch press, and stroke is comparatively large, to raising finite rate, even may occur connecting the phenomenons such as punching, overshoot.Production efficiency is only about 60pcs/min.The dish that changes after lithium tep reel is finished needs to shut down, then carries out artificial replacement.Equally, changing diaphragm disk is also undertaken changing dish by people is manual.
Be no matter that the lithium band punch forming mentioned in document 1 or document 2 all adopts micro pressure machine, one dynamic characteristics is intrinsic constant, is not suitable with needed for technique; Its two stroke is comparatively large, and inertia is large, production efficiency is low.The mode of production is that single-piece workpiece sends into machining position from pipeline, is transferred to pipeline again after completing processing from machining position, one time one.
Summary of the invention
The object of the present invention is to provide the automatic manufacturing device being automatically loaded shaping lithium sheet and barrier film in a kind of Novel cell negative electrode casing, realize efficient, automatic continuous production, to overcome the defect of above-mentioned prior art.
Technical scheme of the present invention is:
Automatic production line for button type lithium battery, it comprises frame, and frame is provided with negative electrode casing pay-off, and the output end of negative electrode casing pay-off is provided with conveying device, is provided with Qie Lidai mechanism along conveying device, and punching press lithium band shaping mechanism, cuts barrier film mechanism; Qie Lidai mechanism is other is provided with lithium belt conveyor structure, cut barrier film mechanism side and be provided with barrier film conveying mechanism, described conveying device comprises the first carrier chain or tape transport device and the second carrier chain or tape transport device, has difference in height between the carrier chain of the first carrier chain or tape transport device and the second carrier chain or tape transport device or conveyer belt;
Qie Lidai mechanism: comprise the first rotary table, the first rotary table is connected with the output of the first motor driver; Described first rotary table comprises the first upper table surface and the first following table, first upper table surface edge is circumferentially provided with location notch on multiple first battery, first following table edge is circumferentially provided with location notch under multiple first battery, on first battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the first battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
Frame is also provided with: the first lithium band cutter sweep corresponding with location notch position on battery; The second lithium band cutter sweep corresponding with location notch position on battery;
Frame is also provided with: button cell cathode shell is pushed feeding cylinder device under location notch battery and/or battery in location notch from the first carrier chain or tape transport device and/or the second carrier chain or tape transport device; Button cell cathode shell is moved out in location notch under location notch battery and/or battery the material returned air cylinder device of the first carrier chain or tape transport device and/or the second carrier chain or tape transport device.
There is in the technical program two carrier chains or the conveyer belt of difference in height, two negative electrode casings on two carrier chains or conveyer belt once can be pushed in corresponding battery location notch by feeding cylinder device, adopt on rotary table and there are two Battery pack location notchs, can realize implementing lithium sheet section dress shell to two button cell cathode shells simultaneously, and the negative electrode casing that two in location notch under location notch, battery on battery once can be equipped with lithium sheet by material returned air cylinder device is withdrawn on respective carrier chain or conveyer belt, realize efficiently producing fast.
On described first battery, location notch is identical with the indexing position circumferentially of location notch under the first battery on the first rotary table.The program to be conducive on the first battery the layout of location notch on the first rotary table under location notch and the first battery and to process, and the negative electrode casing be convenient on the first battery under location notch and the first battery in location notch passes in and out simultaneously.
Described feeding cylinder device comprises the feeding cylinder be fixed in frame, and feeding cylinder piston rod end is provided with contiguous block, contiguous block is connected with the upper push-rod corresponding with location notch on battery and the lower push-rod corresponding with location notch under battery.Its compact conformation, is conducive to arranging in frame, promotes two battery cathode shells simultaneously.
Described material returned air cylinder device comprises the material returned cylinder be fixed in frame, and material returned cylinder piston boom end is provided with contiguous block, contiguous block is connected with the upper connecting rod corresponding with location notch on battery and the lower link corresponding with location notch under battery; Upper connecting rod end is provided with flitch of rising to the bait; Lower link end is provided with lower hook flitch.Its compact conformation, is conducive to arranging in frame, retracts two battery cathode shells simultaneously.
Described lithium belt conveyor structure comprises the first lithium belt conveyor structure and the second lithium belt conveyor structure; First lithium belt conveyor structure and the second lithium belt conveyor structure are not interfered and are arranged in frame, and the lithium end of tape of the first lithium belt conveyor structure is above upper location notch; The lithium end of tape of the second lithium belt conveyor structure is above lower location notch.Two lithium belt conveyor structures are conducive to the layout in frame, are conducive to the shearing of lithium band simultaneously.Certainly, a lithium belt conveyor structure also can be used also to realize cutting two panels lithium sheet simultaneously.
Described punching press lithium band shaping mechanism comprises:
Second rotary table, the second rotary table is connected with the output of the second motor driver; Described second rotary table comprises the second upper table surface and the second following table, second upper table surface edge is circumferentially provided with location notch on multiple second battery, second following table edge is circumferentially provided with location notch under multiple second battery, on second battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the second battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
The top of the second rotary table is provided with the punching press lithium band shaped device with two staking punch, and two staking punch are corresponding with location notch on location notch, battery under battery respectively;
Be provided with PP film conveying device between rotary table and two staking punch and draw PP film.
The punching press lithium band shaping mechanism of this programme, based on the thinking of two the battery location notchs up and down with the first rotary table, can reduce making and installation cost like this, can realize the versatility of parts.Certainly efficient work can be realized equally.Also such scheme is not limited to for effective implemention punching press lithium band is shaping.
Described punching press lithium band shaped device comprises supporting bracket, supporting bracket connects motor and deceleration device, and the output shaft of motor and deceleration device installs cam, cam wheel rim and punch rod upper end plane contact; Punch rod is through supporting bracket, and punch rod lower end connects staking punch, and punch rod is provided with back-moving spring.
Cammed compression mechanism, its dynamic characteristics controllable, favourable high speed and high accuracy, effective travel is short, also favourable high-speed cruising.
Described motor and deceleration device have two outputs, and two output directions are arranged on the contrary.The output of one-drawing-two type is conducive to the synchronous of action, implementation structure compact, is convenient to layout.Two outputs can adopt the two ends of an axle to stretch out deceleration device and form two outputs.
Described PP film device comprises a PP film winder and the 2nd PP film winder, one PP film winder is connected PP film with the 2nd PP film winder, PP film is under the second battery of the second rotary table on location notch, the second battery between location notch and two staking punch, and PP film is walked around and established buffer unit to make PP film be stretched in the top of the second rotary table.
This programme technical characteristic ensures implementing lithium sheet in negative electrode casing during punch forming, and staking punch directly contacts with PP film and directly do not contact with lithium sheet, plays good antiseized protective effect to lithium sheet; Buffer unit realizes the tension buffer minimizing guaranteed when two drifts press down PP film simultaneously, unlikelyly pulls apart.
Described buffer unit comprises support bar, and support bar one end is connected with supporting bracket, is connected torsion spring between support bar with supporting bracket, and the other end of support bar connects support roller.Its structure is simple, is convenient to install.
Described barrier film mechanism of cutting comprises:
3rd rotary table, the 3rd rotary table is connected with the output of the 3rd motor driver; Described 3rd rotary table comprises the 3rd upper table surface and the 3rd following table, 3rd upper table surface edge is circumferentially provided with location notch on multiple 3rd battery, 3rd following table edge is circumferentially provided with location notch under multiple 3rd battery, on 3rd battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the 3rd battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
Above 3rd rotary table arrange have two cutting staking punch cut diaphragm machine, two cutting staking punch corresponding with location notch under the 3rd battery and upper location notch respectively;
3rd rotary table and two cut between staking punch and are provided with barrier film conveyer.
This programme cut the thinking of barrier film mechanism based on two the battery location notchs up and down with the first rotary table, making and installation cost can be reduced like this, the versatility of parts can be realized.Certainly efficient work can be realized equally.Barrier film mechanism is cut for effective implemention and does not also limit to such scheme.
Described diaphragm machine of cutting comprises cylinder, and the piston rod end of cylinder connects barrier film cutter bar, and cutting staking punch is established in barrier film cutter bar end.Simple air cylinder structure is convenient to arrange.
Described barrier film conveyer comprises the second barrier film conveyer of location notch on the first barrier film conveyer of location notch under the 3rd battery and the 3rd battery.Corresponding battery location notch respectively has a working diaphragm dish and diaphragm disk for subsequent use, and conveyer can increase barrier film conveying capacity on the one hand, on the other hand for continuous seepage provides technology.
First barrier film conveyer comprises the first mode separation strapping rotating disk, second mode separation strapping rotating disk, barrier film traction guider, the mode separation strapping pressing of the mode separation strapping on the first mode separation strapping rotating disk and the second mode separation strapping rotating disk is bonded together and realizes the laminating mechanism of mode separation strapping without interruption, described laminating mechanism comprises cylinder, the briquetting being provided with heater element that cylinder piston boom end connects; Laminating mechanism is provided with the first mode separation strapping rotating disk mode separation strapping guider and the second mode separation strapping rotating disk mode separation strapping guider along the rear portion of mode separation strapping direction of advance.
The above-mentioned continual continuous seepage realizing barrier film, the mode separation strapping on the first mode separation strapping rotating disk uses bonding with the mode separation strapping on the second mode separation strapping rotating disk soon, realizes continuously uninterrupted barrier film produce with this.
The most obvious effect of the present invention is production efficiency large increase, and automaticity is high, saves manpower.Novel, the face of flattening is processed as three-dimension process, and structure is simple, easy maintenance.Cost reduces, and adopt servomotor as power, its kinetic characteristic is controlled, is beneficial to and improves crudy and efficiency, total efficiency improve 5 times and more than, its compact conformation, is convenient to arrange.
Accompanying drawing explanation
Fig. 1 Automatic production line for button type lithium battery overall structure schematic diagram.
Fig. 2 transmission and each rotary working platform arrangement schematic top plan view.
The structural representation of Tu3Qie Lidai mechanism.
Lithium belt conveyor structure end structure schematic diagram in Fig. 4 Fig. 3.
Fig. 5 punching press lithium band shaped device structural representation.
Tu6Qie barrier film mechanism structural representation.
Tu7Qie barrier film mechanism septation conveyer structural representation.
Fig. 8 feeding cylinder device and battery location notch structural representation.
Fig. 9 material returned air cylinder device and battery location notch structural representation.
The laminating mechanism schematic diagram of Figure 10 mode separation strapping.
Embodiment
As shown in Figure 1, frame 100 is the supporters supporting general structure, and generally include supporting leg 101, supporting leg 101 support and connection workbench 102, workbench 102 is connected with translucent cover 104, by radome structures all on workbench wherein.
Structure of the present invention is all supported on the workbench 102 of frame 100.Negative casing pay-off 103 is vibrations feeding structures, and the negative electrode casing vibrations being marked with sealing ring are sent in conveying device by it.
Conveying device as shown in Figure 2, comprises the first carrier chain conveying device 107 and has difference in height (as shown in Figure 8,9) between the second carrier chain conveying device 108, first carrier chain conveying device and the carrier chain 109,110 of the second carrier chain conveying device.Carrier chain 109,110 is by motor and reductor and chain gear transmission, and its structure is tired to be stated.
Be provided with Qie Lidai mechanism 200 along conveying device, punching press lithium band shaping mechanism 300, cuts barrier film mechanism 400; Qie Lidai mechanism 200 is other is provided with lithium belt conveyor structure 500, cuts barrier film mechanism 400 side and is provided with barrier film conveying mechanism 600.
Qie Lidai mechanism 200, punching press lithium band shaping mechanism 300, cuts in barrier film mechanism 400 and includes rotary table, as shown in Figure 2, namely cuts the rotary table 201 of lithium band, the rotary table 301 that punching press lithium band is shaping and cut the rotary table 401 of barrier film.The rotary table structure of three stations is identical, is conducive to structural configuration, the general interchangeability of parts.
The carrier chain 109 of each rotary table and the first carrier chain conveying device 107 and carrier chain 110 side of the second carrier chain conveying device 108 are equipped with the feeding cylinder device 120 of negative electrode casing and the material returned air cylinder device 160 of negative electrode casing.
Rotary table 201 in Qie Lidai mechanism 200 structure is illustrated, and as shown in Fig. 2,3,8, rotary table 201 comprises upper table surface 202 and following table 203, and upper table surface 202 and following table 203 form two-stage step shape.The clutch end of decelerating through motor driving mechanism 204 connects intermittent cam angle resolver 205, the clutch end of intermittent cam angle resolver 205 is connected with rotary table 201, and intermittent cam angle resolver 205 controls rotary table 201 according to rotation-----suspends and-----rotates the cycle of modes operation that-----is suspended again again.
The edge of upper table surface 202 is circumferentially provided with location notch 206 on multiple battery, and the edge of following table 203 is circumferentially provided with location notch 207 under multiple battery.In the present embodiment, on multiple battery, under location notch 206 and multiple battery, location notch 207 is circumferentially evenly arranged, and on battery, location notch and location notch under the battery indexing position circumferentially on rotary table is identical.As shown in Figure 2.
Angle between the feeding cylinder device 120 of negative electrode casing and the material returned air cylinder device 160 of negative electrode casing is just in time a minute of angle of battery location notch.
In the present embodiment, the feeding cylinder device 120 of negative electrode casing is arranged perpendicular to carrier chain 110, and the material returned air cylinder device 160 of negative electrode casing forms a minute of angle after feeding cylinder device 120.The direction that carrier chain 110 advances after what is called, i.e. the fore-and-aft direction of manufacturing procedure.
The feeding cylinder device 120 of negative electrode casing as shown in Figure 8, comprise the feeding cylinder 121 be fixed on frame workbench 102, feeding cylinder piston rod 122 end is provided with contiguous block 123, contiguous block 123 is connected with the upper push-rod 124 corresponding with location notch on battery, the lower push-rod 125 corresponding with location notch under battery.
Above-mentioned corresponding with location notch on battery refer to upper push-rod 124 height and battery on location notch height corresponding so that the negative electrode casing on carrier chain 109 to be pushed on battery in location notch 206.
Above-mentioned corresponding with location notch under battery refer to lower push-rod 125 height and battery under location notch height corresponding so that under the negative electrode casing on carrier chain 110 being pushed to battery in location notch 207.
Different owing to pushing distance, the length of upper push-rod 124 is greater than the length of lower push-rod 125.
The material returned air cylinder device 160 of negative electrode casing as shown in Figure 9, be fixed on the material returned cylinder 161 on workbench 102, material returned cylinder piston rod 162 end is provided with contiguous block 163, contiguous block 163 is connected with the upper connecting rod 164 corresponding with location notch on battery, the lower link 165 corresponding with location notch under the first battery; Upper connecting rod 164 end is provided with flitch 166 of rising to the bait; Lower link 165 end is provided with lower hook flitch 167.
Above-mentioned corresponding with location notch on battery refer to upper connecting rod 164 height and battery on location notch height corresponding, what upper connecting rod 164 end was established rise to the bait flitch 166 can through location notch 206 on battery; When such upper connecting rod 164 retracts, on battery, the negative electrode casing in location notch on battery 206 can be withdrawn on carrier chain 109 by the flitch 166 of rising to the bait of location notch 206 inside end.To rise to the bait flitch 166 location notch 206 inside end on battery in non operating state.On battery, location notch 206 is location notch under last battery by the initial circumference graduation of feeding cylinder device 120.
Above-mentioned corresponding with location notch under battery refer to lower link 165 height and battery under location notch height corresponding, the lower hook flitch 167 that lower link 165 end is established can through location notch 207 under battery; When such lower link 165 retracts, under battery, the negative electrode casing in location notch under battery 207 can be withdrawn on carrier chain 110 by the lower hook flitch 167 of location notch 207 inside end.Hook flitch 167 location notch 207 inside end under battery in a non-operative state.Under battery, location notch 207 is location notch under last battery by the initial circumference graduation of feeding cylinder device 120.
Qie Lidai mechanism 200 also comprises, and frame is arranged: the first lithium band cutter sweep corresponding with location notch position on battery; The second lithium band cutter sweep corresponding with location notch position on battery, specifically as shown in Figure 3, first lithium band cutter sweep is identical with the second lithium band cutter sweep structure, be 90 degree and 270 degree of settings (angle position as Fig. 2) relative to the initial calibration of feeding cylinder device 120, namely the first lithium band cutter sweep and the second lithium band cutter sweep are 180 degree of settings.
Here describe its structure with the first lithium band cutter sweep: frame workbench 102 connects support bar 230, support bar 230 connects supporting bracket 231, and supporting bracket 231 is provided with cylinder 232, cutting head 233 is established in the piston rod end of cylinder 232.The cutting head 233 location notch position on battery relatively of the first lithium band cutter sweep; The cutting head 234 location notch position under battery relatively of the second lithium band cutter sweep.
Lithium belt conveyor structure 500 as shown in Figure 3,4, comprise two, the left and right support 501 that frame workbench 102 is arranged, support 501 is provided with lithium band rotating disk 502, and frame workbench 102 is also provided with stepping motor 503, and what the roller that the output shaft of stepping motor 503 connects was relative has guide roller 504.The top of rotary table 201 is provided with lithium tape guide plate 505 above the position relative to location notch on battery, and lithium tape guide plate 505 offers gathering sill 506.The top of rotary table 201 is provided with lithium tape guide plate 507 above the position relative to location notch under battery, and lithium tape guide plate 507 offers gathering sill 508.
Two stepping motors 503 of left and right work, left and right lithium band is sent to above the position relative to location notch on battery respectively by gathering sill 506, gathering sill 508 by the lithium band 520 on the lithium band rotating disk 502 of left and right, under battery location notch position above, cutting head 233, cutting head 234 press down cutting lithium band respectively under respective cylinder action, and lithium band is sent in the negative electrode casing on battery in location notch, and be sent in the negative electrode casing under battery in location notch.
Punching press lithium band shaping mechanism 300 as shown in Figure 5, comprise the shaping rotary table 301 of punching press lithium band and the feeding cylinder device of negative electrode casing, the material returned air cylinder device of negative electrode casing, the Drive Structure of rotary table 301 and calibration rotate identical with aforesaid rotary table 201, its structure is identical with said structure, does not tire out and states.
The top of rotary table is provided with the punching press lithium band shaped device with two staking punch, and two staking punch are corresponding with location notch on location notch, battery under battery respectively;
Described punching press lithium band shaped device comprises supporting bracket 302, and supporting bracket 302 to be supported on frame workbench 102 by support bar 312 and to be positioned at above the shaping rotary table 301 of punching press lithium band.Supporting bracket 302 connects motor and deceleration device 303.In the present embodiment, motor and deceleration device have two outputs, and two output directions are arranged on the contrary.Particularly the output shaft of deceleration device 303 is axises, and deceleration device housing is stretched out at output shaft two ends, forms two outputs.
Two outputs connect cam 304,305 respectively, cam 304,305 wheel rim respectively with punch rod 306,307 upper end plane contact; Punch rod 306,307 is through supporting bracket 302, and punch rod 306,307 lower end connects staking punch 308,309 separately, punch rod 306,307 is provided with separately back-moving spring 310,311.The seat of staking punch 308,309 is respectively relative to location notch under location notch on the battery on rotary table 301 and battery.
PP film device comprises PP film winder 320 and a 2nd PP film winder 321, one PP film winder is connected PP film 322, PP film by guide roller 323,324 on location notch, battery under the battery of rotary table 301 between location notch and two staking punch with the 2nd PP film winder.Guide roller 323 is implemented to drive with the deflector roll 325 pairs of PP films on the output shaft of progressive motor and is led.
PP film is walked around and is established buffer unit 330 to make PP film be stretched in the top of the second rotary table.
Buffer unit comprises support bar 331, and support bar 331 one end is connected with supporting bracket 302, is connected torsion spring between support bar with supporting bracket, and the other end of support bar connects support roller 332, and support roller 332 supports PP film.Said structure makes staking punch 308,309 directly not contact with lithium sheet when pushing down lithium sheet to comprise lithium sheet, after making to push down simultaneously, and return in PP film.
Cut barrier film mechanism 400 and comprise the feeding cylinder device of the rotary table 401 and negative electrode casing cutting barrier film, the material returned air cylinder device of negative electrode casing, its structure is identical with said structure, does not tire out and states.
Cut barrier film rotary table 401 side arrange have two cutting staking punch cut diaphragm machine, two cutting staking punch corresponding with location notch on location notch, battery under the battery on rotary table 401 respectively;
Concrete cut diaphragm machine and comprise two cylinders 460,461, the piston rod end of two cylinders 460,641 connects barrier film cutter bar 462,463 respectively as shown in Figure 6, and two barrier film cutter bar ends are the company's of establishing cutting staking punch 464,465 respectively.On the cutting position of staking punch 464 and rotary table 401 battery of barrier film, the position of location notch is corresponding, and it is corresponding to cut the position of location notch under the position of staking punch 464 and rotary table 401 battery of barrier film.
Cut barrier film mechanism 400 side and be provided with barrier film conveying mechanism 600, the quantity of barrier film conveying mechanism 600 is identical with the quantity of cutting diaphragm machine, have two covers 680,690(as shown in Figure 6), to be applicable under rotary table 401 battery location notch on location notch and rotary table 401 battery respectively corresponding.Two nested structures are identical, be illustrated with the barrier film conveying mechanism that location notch under rotary table 401 battery is corresponding, as shown in Fig. 7,10, barrier film conveyer 680 comprises the support 608 that frame workbench 102 is arranged, difference mode separation strapping rotating disk 601 on support 608, mode separation strapping rotating disk 602, barrier film traction guider, barrier film traction guider adopts guide roller 603,604, is respectively used to the guiding of the mode separation strapping on the guiding of the mode separation strapping on mode separation strapping rotating disk 601 and mode separation strapping rotating disk 602.The traction electric machine 605 of mode separation strapping draws mode separation strapping and moves.The traction electric machine 605 of mode separation strapping has barrier film shut-off mechanism 609, for being cut off by used mode separation strapping.
In order to realize the without interruption of barrier film, being provided with bonds together the mode separation strapping pressing of the mode separation strapping on mode separation strapping rotating disk 601 and mode separation strapping rotating disk 602 realizes the laminating mechanism of mode separation strapping without interruption.Described laminating mechanism comprises cylinder 610, the briquetting 611 being provided with heater element that cylinder piston boom end connects; Laminating mechanism is provided with the guider 606 of the mode separation strapping 620 on mode separation strapping rotating disk 601 along the rear portion of mode separation strapping direction of advance, and the guider 607 of mode separation strapping 621 on mode separation strapping rotating disk 602.
When by transducer, the barrier film in diaphragm disk is detected that the barrier film storage of mode separation strapping rotating disk 601 is very few; when needing to change; it is receiving transducer detection command calculations; make cylinder 610 descent of piston; the briquetting 611 promoting to be equipped with heater element bonds overlapping with scratch diskette magnetic tape trailer for the mode separation strapping on mode separation strapping rotating disk 602; with power generating ratio, improve work efficiency.
Production line production process of the present invention is:
The negative plate (being commonly called as flange lid) being marked with sealing ring under the effect of negative casing pay-off 103, in the first carrier chain conveying device 107 being transported to certain altitude difference successively and the second carrier chain conveying device 108; After Dutch Li Dai mechanism 200 station, negative casing to be pushed on the battery on rotary table 201 location notch under location notch, battery by the feeding cylinder device of negative electrode casing, lithium band to be transported on corresponding battery under location notch, battery on location notch by lithium belt conveyor structure 500, lithium band cutter sweep completes the cutting of lithium band, after rotary table 201 turns to discharging station, negative electrode casing draws by the material returned air cylinder device of negative electrode casing to be delivered in the first carrier chain conveying device 107 and the second carrier chain conveying device 108.
Negative electrode casing is sent to punching press lithium band shaping mechanism 300 station, negative casing to be pushed on the battery on rotary table 301 location notch under location notch, battery by the feeding cylinder device of negative electrode casing, punching press lithium band shaped device is by compressing for the lithium sheet in the negative electrode casing in location notch under location notch, battery on battery, after rotary table 301 rotation transmission negative electrode casing puts in place, negative electrode casing draws by the material returned air cylinder device of negative electrode casing to be delivered in the first carrier chain conveying device 107 and the second carrier chain conveying device 108.
After negative electrode casing is sent to and cuts barrier film mechanism 400 station, negative casing is pushed to location notch on the battery on rotary table 401 by the feeding cylinder device of negative electrode casing, location notch under battery, mode separation strapping is transported to location notch on corresponding battery by barrier film conveying mechanism 600, under battery on location notch, cut diaphragm machine and will cut location notch on barrier film feeding battery, in negative electrode casing under battery in location notch, after rotary table 401 rotation transmission negative electrode casing puts in place, negative electrode casing draws by the material returned air cylinder device of negative electrode casing to be delivered in the first carrier chain conveying device 107 and the second carrier chain conveying device 108, the negative electrode casing processed is exported.Complete processing.
Each rotary table all adopts batch (-type) rotary work, and on the battery on each rotary table, under location notch, battery, location notch calibration is 12.
This production line efficiency is high, and automaticity is high.

Claims (7)

1. an Automatic production line for button type lithium battery, it comprises frame, and frame is provided with negative electrode casing pay-off, and the output end of negative electrode casing pay-off is provided with conveying device, is provided with Qie Lidai mechanism along conveying device, and punching press lithium band shaping mechanism, cuts barrier film mechanism; Qie Lidai mechanism is other is provided with lithium belt conveyor structure, cut barrier film mechanism side and be provided with barrier film conveying mechanism, it is characterized in that described conveying device comprises the first carrier chain or tape transport device and the second carrier chain or tape transport device, between the carrier chain of the first carrier chain or tape transport device and the second carrier chain or tape transport device or conveyer belt, there is difference in height;
Described feeding cylinder device comprises the feeding cylinder be fixed in frame, and feeding cylinder piston rod end is provided with contiguous block, contiguous block is connected with the upper push-rod corresponding with location notch on the first battery and the lower push-rod corresponding with location notch under the first battery;
Qie Lidai mechanism: comprise the first rotary table, the first rotary table is connected with the output of the first motor driver; Described first rotary table comprises the first upper table surface and the first following table, first upper table surface edge is circumferentially provided with location notch on multiple first battery, first following table edge is circumferentially provided with location notch under multiple first battery, on first battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the first battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
Described lithium belt conveyor structure comprises the first lithium belt conveyor structure and the second lithium belt conveyor structure; First lithium belt conveyor structure and the second lithium belt conveyor structure are not interfered and are arranged in frame, and the lithium end of tape of the first lithium belt conveyor structure is above upper location notch; The lithium end of tape of the second lithium belt conveyor structure is above lower location notch;
Frame is also provided with: the first lithium band cutter sweep corresponding with location notch position on battery; The second lithium band cutter sweep corresponding with location notch position under battery;
Described punching press lithium band shaping mechanism comprises:
Second rotary table, the second rotary table is connected with the output of the second motor driver; Described second rotary table comprises the second upper table surface and the second following table, second upper table surface edge is circumferentially provided with location notch on multiple second battery, second following table edge is circumferentially provided with location notch under multiple second battery, on second battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the second battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
The top of the second rotary table is provided with the punching press lithium band shaped device with two staking punch, and two staking punch are corresponding with location notch on location notch, battery under battery respectively;
Be provided with PP film conveying device between rotary table and two staking punch and draw PP film;
Cut barrier film mechanism to comprise: the 3rd rotary table, the 3rd rotary table is connected with the output of the 3rd motor driver; Described 3rd rotary table comprises the 3rd upper table surface and the 3rd following table, 3rd upper table surface edge is circumferentially provided with location notch on multiple 3rd battery, 3rd following table edge is circumferentially provided with location notch under multiple 3rd battery, on 3rd battery the carrier chain of location notch and the first carrier chain or tape transport device or conveyer belt corresponding, under the 3rd battery the carrier chain of location notch and the second carrier chain or tape transport device or conveyer belt corresponding;
Above 3rd rotary table arrange have two cutting staking punch cut diaphragm machine, two cutting staking punch corresponding with location notch on location notch, the 3rd battery under the 3rd battery respectively;
3rd rotary table and two cut and are provided with barrier film conveyer between staking punch and carry barrier film;
First barrier film conveyer comprises the first mode separation strapping rotating disk that frame is arranged, second mode separation strapping rotating disk, barrier film traction guider, the mode separation strapping pressing of the mode separation strapping on the first mode separation strapping rotating disk and the second mode separation strapping rotating disk is bonded together and realizes the laminating mechanism of mode separation strapping without interruption, described laminating mechanism comprises cylinder, the briquetting being provided with heater element that cylinder piston boom end connects; Laminating mechanism is provided with the first mode separation strapping rotating disk mode separation strapping guider and the second mode separation strapping rotating disk mode separation strapping guider along the rear portion of mode separation strapping direction of advance;
Described barrier film conveyer comprises the second barrier film conveyer of location notch on the first barrier film conveyer of location notch under the 3rd battery and the 3rd battery;
Frame is also provided with: button cell cathode shell is pushed feeding cylinder device battery cathode shell to upper location notch and/battery in location notch from the first carrier chain or tape transport device and/or the second carrier chain or tape transport device; Button cell cathode shell is moved out in location notch under location notch battery and/or battery the material returned air cylinder device of the first carrier chain or tape transport device and/or the second carrier chain or tape transport device;
Described material returned air cylinder device comprises the material returned cylinder be fixed in frame, and material returned cylinder piston boom end is provided with contiguous block, contiguous block is connected with the upper connecting rod corresponding with location notch on the first battery and the lower link corresponding with location notch under the first battery; Upper connecting rod end is provided with flitch of rising to the bait; Lower link end is provided with lower hook flitch.
2. Automatic production line for button type lithium battery as claimed in claim 1, is characterized in that on described first battery, location notch is identical with the indexing position circumferentially of location notch under the first battery on the first rotary table.
3. Automatic production line for button type lithium battery as claimed in claim 1, it is characterized in that described punching press lithium band shaped device comprises supporting bracket, supporting bracket connects motor and deceleration device, the output shaft of deceleration device installs cam, cam wheel rim and punch rod upper end plane contact; Punch rod is through supporting bracket, and punch rod lower end connects staking punch, and punch rod is provided with back-moving spring.
4. Automatic production line for button type lithium battery as claimed in claim 3, it is characterized in that described motor and deceleration device have two outputs, two output directions are arranged on the contrary.
5. Automatic production line for button type lithium battery as claimed in claim 1, it is characterized in that described PP film device comprises a PP film winder and the 2nd PP film winder, one PP film winder is connected PP film with the 2nd PP film winder, PP film is under the second battery of the second rotary table on location notch, the second battery between location notch and two staking punch, and PP film is walked around and established buffer unit to make PP film be stretched in the top of the second rotary table.
6. Automatic production line for button type lithium battery as claimed in claim 5, it is characterized in that described buffer unit comprises support bar, support bar one end is connected with supporting bracket, is connected torsion spring between support bar with supporting bracket, and the other end of support bar connects support roller.
7. Automatic production line for button type lithium battery as claimed in claim 1, cuts diaphragm machine and comprises cylinder described in it is characterized in that, the piston rod end of cylinder connects barrier film cutter bar, and barrier film cutter bar end is provided with cutting staking punch.
CN201210237765.8A 2012-07-11 2012-07-11 Automatic production line for button type lithium battery Active CN102769143B (en)

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CN103346352B (en) * 2013-06-15 2016-03-09 东莞市鸿宝锂电科技有限公司 Lithium battery Full automatic rotating disc type packaging former
CN103730670B (en) * 2014-01-13 2016-01-27 周俊雄 Full-automatic lithium-manganese battery production line
CN104191607B (en) * 2014-07-08 2017-01-25 武汉昊诚能源科技有限公司 Battery cover polytetrafluoroethylene piece mounting device
CN106328965B (en) * 2016-09-28 2018-12-18 深圳市精实机电科技有限公司 A kind of high-speed rotary button cell assembly line
CN110048165B (en) * 2019-03-04 2021-04-23 惠州亿纬锂能股份有限公司 Lithium battery cathode shell-mounting method

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