CN1199934A - Method of and system for assembling electric cell - Google Patents
Method of and system for assembling electric cell Download PDFInfo
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- CN1199934A CN1199934A CN98102147A CN98102147A CN1199934A CN 1199934 A CN1199934 A CN 1199934A CN 98102147 A CN98102147 A CN 98102147A CN 98102147 A CN98102147 A CN 98102147A CN 1199934 A CN1199934 A CN 1199934A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
A negative electrode sheet forming device (40) and a coil forming device (42) are connected with a coil loading device (44) through a container transducer (122), and the coil loading device (44), an electrolytic solution refiller (46), an opening end crease device (48) and a cleaning device (50) are connected together through a conveying device (150). The whole process of assembling a lithium ion cell (12) becomes automation and high efficiency through the devices which are mutually connected.
Description
The present invention relates to a kind ofly come the system and method for assemble by carrying out each step, this each step is included in and applies a lithium paper tinsel on the electrode slice, injects the electrolyte in one jar, bends the sealing end of this jar, and cleans the step of this jar.
So far, the lithium battery with lithium electrode is following being assembled: the elongation lithium paper tinsel of a ring or sheet form is fixed to the surface of an electrode (current-collector), thereby produces a negative electrode plate.Then, this negative electrode plate is cut into a length of expecting with an electrode film, and is wound in an electrode group with staggered dividing plate, and this electricity level group is also referred to as coil.This coil is placed in the battery can, then electrolytic solution is injected this battery can.Then, a Seal end plate is inserted in the openend of this battery can, then with its bending.
In the prior art, expectation makes above-mentioned assembling process automation and more efficient.Also require to make from manufacturing of each installation step as much as possible automation of negative electrode plate step to the openend step of bending battery can.
Yet because a variety of causes, arbitrary process of assembling lithium paper tinsel battery up to now is not by automation.One of these reasons can be adhered to nearly all material for the lithium paper tinsel that is applied to an electrode, except comprising polyethylene and polyacrylic some material.Therefore, it is tediously long and time-consuming handling negative electrode plate.For example, when attempt was reeled a negative pole with a lithium paper tinsel that provides, this lithium paper tinsel was easy to be adhered to the part that one of this negative pole is not expected.Because this shortcoming and other shortcoming are difficult to make the whole process automation of assembling lithium paper tinsel battery.
Main purpose of the present invention is to provide a kind of full-automatic effectively assemble, for example system and method for lithium paper tinsel battery.
From below in conjunction with the description of accompanying drawing to the preferred embodiments of the present invention, above and other purpose of the present invention, it is obvious that feature and advantage will become.
Fig. 1 is the summary plan view according to a battery assembly system of the present invention;
Fig. 2 is the block diagram of this battery assembly system;
The serve as reasons longitudinal cross-section view of a battery of this battery assembly system assembling of Fig. 3;
Fig. 4 is the summary view of a negative electrode sheet forming device of this battery assembly system;
Fig. 5 is the summary view that the coil of this battery assembly system forms device;
Serve as reasons this coil of Fig. 6 forms the perspective view of the coil that device forms;
Fig. 7 one is used for coil is transferred to from coiling machine the elevational view of presenting transmitting device of a container;
Fig. 8 adorns the perspective view of cutting device to the consecutive steps of a cleaning device for explanation from the coil of this battery assembly system;
Fig. 9 A is the perspective view that clamping device is presented in a upstream that is used to transmit a battery can; And
Fig. 9 B is the perspective view that clamping device is presented in a downstream that is used to transmit a battery can.
Fig. 1 shows according to a battery assembly system 10 of the present invention with a summary plan view.And Fig. 2 shows the various devices of this battery assembly system 10, mechanism and unit with block diagram.
Fig. 3 illustrates the battery 12 by 10 assemblings of battery assembly system.As shown in Figure 3, battery 12 comprises that one has one by the columniform battery can 14 and the electrolytic solution 16 at the dress end and put and be sealed in an electrode group or coil 18 in this battery can 14.This coil 18 comprises an electrode film 20, a negative electrode plate 22 and is just reaching the assembly of reeling of the staggered a pair of dividing plate 24a of negative electrode plate 20,22 with this.One positive electrode lead 26 is attached to an end of this electrode film 20, and a negative electrode lead 28 is attached to an end of this negative electrode plate 22.
Battery can 14 has a cannelure that is determined 34 on the cylindrical wall near openend 14a.This cannelure 34 is inwardly radially being recessed under Seal end plate 30.Lower and upper division board 36,38 is installed in the upper and lower axial end of the coil 18 in the battery case 14 respectively.
As illustrated in fig. 1 and 2, battery assembly system 10 comprises a negative electrode sheet forming device 40, is used to form a negative electrode plate 22 of being reeled; One coil forms device 42, is used to cut an electrode film of being reeled 20 and this negative electrode plate of being reeled 22 to predetermined length and staggered with dividing plate 24a, 24b, and the length of cut of negative electrodes sheet 20,22 is wound in a coil 18; One coil guiding device is used for this coil is inserted a battery can 14, a negative electrode lead 28 is soldered to the jar end 14b of battery can 14, and forms a cannelure 34 near its openend 14a place on the cylindrical wall of battery can 14; One electrolyte injection device 46 is used for electrolytic solution 16 is injected battery can 14; One openend bending device 48 is used for after electrolytic solution 16 injects battery can 14 Seal end plate 30 being soldered to a positive electrode lead 26, sealing end plate 30 is inserted openend 14a, and bend this openend 14a with fastening sealing end plate 30; With a cleaning device 50, be used for behind bending openend 14a, cleaning this battery can 14.
As among Fig. 4 roughly shown in, negative electrode sheet forming device 40 has a feed rollers 53, is used for along presenting the electrode slice 52 of elongation by the arrow A indicated direction, this electrode slice 52 comprises that interval thereon is coated with the electrode support that one of active material adds hoop.This negative electrode sheet forming device 40 also has the first applicator mechanism 56 that is positioned at the downstream of feed rollers 53 with respect to the arrow A indicated direction, is used for its interval that separates on the surperficial 52a of electrode slice 52 that rectangle lithium paillon foil 54 with given length adds to this elongation; With the second applicator mechanism 58, the rectangle lithium paillon foil 54 that is used for given length adds to last its interval that separates of the surperficial 52b of electrode slice 54 back ofs the body of this elongation.
In each of the first and second applicator mechanisms 56,58, be provided at the lithium paper tinsel 54a of the elongation that a spacer block 60 supports from a feed roller, this spacer block 60 is peelled off by the lithium paper tinsel 54a from this elongation and is twined bobbin 62 by one and twined.It is to shift to and to move apart this cutting roller 64 that the lithium paper tinsel 54a of the elongation that separates from spacer block 60 is fed to a cutting roller 64 and a transfer roller 66, one paper tinsel processing units 68.This paper tinsel processing unit 68 is for example bored a hole with the interval that the rotational synchronization ground that cuts roller 64 separates on lithium paper tinsel 54a.One extruding roller 70 calibrate is positioned mutually with the transfer roller 66 of the first applicator mechanism 56 and the surperficial 52b that pushes electrode slice 52 faces toward the circumferential surface of transfer roller 66 with another surperficial 52a of maintenance electrode slice 52.Another extruding roller 70 calibrate is positioned mutually with the transfer roller 66 of the second applicator mechanism 58 and the surperficial 52a that pushes electrode slice 52 faces toward the circumferential surface of transfer roller 66 with another surperficial 52b of maintenance electrode slice 52.Lithium paper tinsel 54a is cut into the lithium paillon foil 54 of rectangle and these lithium paillon foils 54 along these perforation and is provided for each surperficial 52a of electrode 52 by transfer roller 66,52b, thus form negative electrode plate 22.
Negative electrode sheet forming device 40 comprises that also one is used for twining the winding bobbin 74 of negative electrode plate 22 together with a spacer block 72 at permanent tension force.This spacer block 72 is by for example making for polyethylene or polyacrylic material, and the lithium paillon foil 54 of rectangle will can not adhered thereon.
As shown in Figure 5, coil forms device 42 and comprises positive electrode support bobbin 80, and the electrode film 20 that is rolled volume is loaded on it; One negative electrode is supported bobbin 82, and the negative electrode plate of being supported by spacer block 72 that rolls volume 22 is loaded on it; One positive electrode lead welding unit 84 is used for positive electrode lead 26 is welded to electrode film 20; One spacer block twines bobbin 86, be used for when negative electrode plate 22 when negative electrode supports that bobbin 82 is untied, the spacer block 72 that winding is peelled off from this negative electrode plate 22; One negative electrode lead welding unit 88 is used for negative electrode lead 28 is welded to negative electrode plate 22; With a reel winder 90, be used for negative electrodes sheet 20,22 and dividing plate 24a with shearing length, 24b is rolled into coil 18 staggeredly.
As shown in Figure 7, reel winder 90 has one division platform 94, and it can move past 90 ° along the arrow B direction when counterclockwise discontinuously around the axle of self.Supporting on the circular dividing table 90 has four wireline reels 98, respectively has a seam 96, and is configured on each spaced apart 90 ° position.Each wireline reel 98 can deasil rotate along the arrow C direction around himself, and can axially move into and shift out circular dividing table 90.
Circular dividing table 90 can be stopped on 90 ° the angle position at interval, and these angle positions comprise an insertion position P1, and an adhesive tape applies a position P2 and a coil separation point position P3.When circular dividing table 94 around himself axle when moving past 90 ° discontinuously widdershins, each wireline reel 98 is brought into one of these positions.
At insertion position P1, dividing plate 24a, the leading end of 24b are inserted in the seam 96 of wireline reel 98, and negative electrodes sheet 20,22 be positioned with dividing plate 24a, 24b is staggered, thus by dividing plate 24a, 24b and isolating mutually. Negative electrodes sheet 20,22 is cut into a predetermined length by an electrode film cutter 100 and a negative electrode plate cutter 102 respectively.When wireline reel 98 at insertion position P1 when the arrow C direction is rotated, cut negative electrodes sheet 20,22 and staggered dividing plate 24a, 24b is reeled around wireline reel 98.
One dividing plate cutter 104 is configured in adhesive tape and applies near the P2 of position.At cut negative electrodes sheet 20,22 and staggered dividing plate 24a, 24b is after wireline reel 98 is reeled, and dividing plate cutter 104 is with dividing plate 24a, and 24b cuts into a predetermined length, thereby produces a coil 18 on wireline reel 98.Apply position P2 at adhesive tape, an adhesive tape 92 is applied to the external peripheral surface of coil 18.
In the P3 of coil separation point position, dispose a coil separative element 108, be used for from the wireline reel 98 separate winding 18 and isolated coil 18 be sent to one presenting conveyer 106.Presenting on the conveyer 106, disposing one first test for short-circuit unit 110, be used to check whether short circuit mutually of the positive electrode lead 26 of each coil 18 and negative electrode lead 28; One imaging unit 112, CCD gamma camera etc. for example is used for the position of magnetic test coil 18 1 axis hole 18a; One coil amending unit 114 is used for revising with one that the pin (not shown) inserts wherein and along the dividing plate 24a of this axis hole of inner wall surface correction 18a of this axis hole 18a, 24b from the end of detected axis hole 18a; With locating unit 116, be used for negative electrode lead 28 location are gone into the position an of the top.This first test for short-circuit unit 110, imaging unit 112, coil amending unit 114 and positioning unit 116 are located continuously along direction shown in the arrow D.
The first test for short-circuit unit 110 is by verifying the certain resistance that whether exists with M Ω (megaohm) expression between the positive electrode lead 26 of each coil 18 and negative electrode lead 28, check whether short circuit mutually of positive electrode lead 26 and negative electrode lead 28.Be found in arbitrarily and exist the coil 18 of short circuit to be rejected rather than to be transmitted to imaging unit 112 between positive electrode lead 26 and the negative electrode lead 28.
One coil delivery unit 120 is positioned on the end of presenting conveyer 106, is used for the coil 18 of a predetermined quantity is conveyed into a container 118 from presenting conveyer 106, and this container 118 is positioned on the container conveyer 122.When the container 118 of some was overlayed on the container conveyer 122, they were transmitted to coil loading attachment 44 by container conveyer 122.
As Fig. 1, shown in 2 and 8, this coil loading attachment 44 includes one jar and inserts mechanism 124, is used for a coil 18 and a bottom 6 are inserted a battery can 14; One battery bottom welding mechanism 126, be used for a negative electrode lead 28 be soldered to battery can 14 the jar end 14b; With a crimping mechanism 128, be used for after division board 38 inserts battery cans 14 on one, on cylindrical wall, form a cannelure 34 near the openend 14a of battery can 14.
As shown in Figure 8, battery floor welding mechanism 126 has a bottom electrode 130, is used to be held a lower surface and a upper electrode 132 facing to the jar end 14b of battery can 14, is used for being inserted among the axis hole 18a of coil 18, and this coil 18 is inserted in the battery can 14.The downstream of the direction that crimping mechanism 128 is transmitted with respect to battery can 14 disposes first weight measurement mechanism 136 (seeing Fig. 1 and 2) of one second test for short-circuit unit 133 and weight management device 134.
The second test for short-circuit unit 133 is as verify their whether short circuits mutually according to the resistance between electrode film 20 and the negative electrode 22.Being found in the coil 18 that has short circuit between electrode film 20 and the negative electrode plate 22 arbitrarily is rejected and is not transmitted to electrolyte injection device 46.Therefore, effectively prevented from electrolytic solution 16 is injected a process of not expecting that has the battery can that the sunken coil of jar is arranged.As shown in Figure 8, first weight measurement mechanism 136 has an electronic scale 138, is used to measure battery can 14 before electrolytic solution 16 is injected battery cans 14 and the weight of its thing of adorning.
Second weight measurement mechanism 144 of weight management device 134 is configured in the downstream of bending mechanism 142.As shown in Figure 8, second weight measurement mechanism 144 has an electronic scale 146, is used for measuring the weight of the battery can 14 and the thing of adorning thereof after battery can 4 is sealed.As shown in Figure 2, one the 3rd test for short-circuit unit 147 is configured in the downstream of second weight measurement mechanism 144.The interior voltage of the battery can 14 that the 3rd test for short-circuit unit 147 check weighings are bent, and verify battery can 14 according to the voltage of measuring and whether can be received, promptly in battery can 14, whether be short-circuited.First, second and the 3rd test for short-circuit unit 110,133,147 are formed test for short-circuit devices 149 jointly.Between the 3rd test for short-circuit unit 147 and cleaning device 50, dispose an X ray examination device 148, be used for inside with X ray examination battery can 14.
As shown in fig. 1, battery assembly system 10 comprises a conveyer 150, is used for automatically battery can 14 being transmitted to cleaning device 50 from coil loading attachment 44 along the arrow E direction.Conveyer 150 comprises that inserting mechanism 124 from jar extends to one first of the entrance side of crimping mechanism 128 and present conveyer 152; Extend to one second of cleaning device 50 with outlet side and present conveyer 154 from crimping mechanism 128.Present first and to dispose a plurality of upstreams that separate at certain intervals on the conveyer 152 and present anchor clamps 156a (seeing Fig. 9 A).Presenting second has a plurality of downstreams that separate at certain intervals to present anchor clamps 156b (seeing Fig. 9 B) on the conveyer.
As shown in Fig. 9 A, each upstream is presented anchor clamps 156a and is included a rectangular base with two couples of parallel flat side surface 158a, 158b, is held with respect to first each upright guide rails 159 of presenting conveyer 152 slidably; With a cylindrical upper section with cannelure 161 of determining in its external peripheral surface.The central shaft hole 162 that anchor clamps 156a has a upward opening of vertically determining is therein presented in the upstream, is used to receive a battery can; With the central shaft hole 162 under shed of bottom that determine therein and that be connected to central shaft hole 160 vertically.Central shaft hole 162 is used for inserting therein a spot welding welding gun (not shown).Shown in Fig. 9 B, anchor clamps 156b and upstream are presented in the downstream, and to present anchor clamps basic identical, presents anchor clamps 156b except the downstream and do not have the cannelure 161.Present the essentially identical downstream of anchor clamps 156a with the upstream and present those parts of anchor clamps 156b and represent, below will be not described in detail with identical reference character.
To describe below by battery assembly system 10 and realize, according to the method for a kind of assemble of the present invention.
As shown in Figure 4, the electrode slice 52 that adds hoop is untied by feed rollers 53 and is transmitted a given length along the arrow A direction.In the first applicator mechanism 56, twine bobbin 62 and be rotated with this spacer block 60 of when the lithium paper tinsel 54a of this elongation peels off, reeling when spacer block 60, the lithium paper tinsel 54a of this elongation be transferred into cutting roller 64 and by with cut roller 64 coacting paper tinsel processing units 68 and be perforated.
This perforated lithium paper tinsel 54a is sent to transfer roller 66 from cutting roller 66 when cutting roller 64 and transfer roller rotation.Perforated lithium paper tinsel 54a on the transfer roller 66 is being attached on the surperficial 52a of electrode slice 52 under force feed roller 70 applied pressures.When transfer roller 66 was stopped, a rectangle lithium paillon foil 54 was cut off by the lithium paper tinsel 54a from perforation along perforation, and is sent on the surperficial 52a of electrode slice 52.
The electrode slice 52 that has the continuous rectangle lithium paillon foil 54 that offers it is fed along the arrow A direction.Then, continuous rectangle lithium paillon foil 54 is applied on another surperficial 52b of electrode slice 52 by the second applicator mechanism 58, thereby makes a negative electrode plate 22.This negative electrode plate 22 is wound into the form of a spooling together with spacer block 72.
The negative electrode plate 22 of this spooling is separated from negative electrode sheet forming device 40, and is installed on the negative electrode support bobbin 82 of coil formation device 42.As shown in Figure 5, the electrode film 20 of spooling has been installed on the positive electrode support bobbin 80.Positive electrode lead 26 is welded to the electrode film 20 of supporting this spooling that bobbin 80 unclamps from positive electrode by positive electrode lead welding unit 84.
When the negative electrode plate 22 of spooling by when negative electrode supports that bobbin 82 is untied, twine bobbin 86 by spacer block, spacer block 72 is peeled off by the negative electrode plate 22 from spooling, and the negative electrode plate 22 of this spooling is transmitted to negative electrode lead welding unit 88, and this negative electrode lead welding unit 88 is welded to negative electrode plate 22 with negative electrode lead 28.
As shown in Figure 7, in the P1 of insertion position, dividing plate 24a, the leading end of 24b are inserted in the seam 96 of wireline reel 98, and negative electrodes sheet 20,22 be positioned with dividing plate 24a, therefore 24b is staggered, and by dividing plate 24a, 24b is isolated mutually. Negative electrodes sheet 20,22 is cut into a predetermined length by electrode film cutter 100 with negative electrode plate cutter 102 separately.
When wireline reel 98 along the arrow C direction when himself axle rotates, circular dividing table 94 rotates 90 ° and applies position P2 to bring wireline reel 98 into adhesive tape from insertion position P1 along arrow from the B direction, apply position P2 at adhesive tape, dividing plate 24a, 24b is cut into a predetermined length by dividing plate cutter 104, and their tail end is fixed in position by adhesive tape 92, makes a coil 18.Then, circular dividing table 94 is rotated 180 ° coil 18 is brought into coil separation point position P3 with 90 ° increment.At coil separation point position P3, coil 18 is separated from wireline reel 98 by coil separative element 108, and is placed at and presents on the conveyer 106.
Thereby being seated in the coil of presenting on the conveyer 106 18 is fed along arrow D direction.The first test for short-circuit unit 110 checks that coils 18 are with whether short circuit mutually of the positive electrode lead 26 of verifying this coil 18 and negative electrode lead 28.If because the burr that the defective of dividing plate 24a, 24b or negative electrodes sheet 20,22 produce when being cut and cause positive electrode lead 26 and the 28 mutual short circuits of negative electrode lead.Then this coil 18 is rejected as a defective product.Axis hole 18a in the coil 18 is by 112 imaging in imaging unit then, and detects the center of axis hole 18a according to the processing that image processing detects axis hole 18a.
According to the center of the axis hole 18a that detects, axis hole 18a is positioned with respect to coil amending unit 114, and correction pin (not shown) is inserted among the axis hole 18a.To coming from the dividing plate 24a of a spiral figure, 24b revises the correction pin that is inserted into along the inner wall surface of axis hole 18a.Then, coil 18 is fed to positioning unit 116, and this positioning unit 116 rotates this coil 18 on a pair of rotor (not shown), for example arrives the position of topmost until negative electrode lead 28.
The coil that has negative electrode lead 28 18 that is positioned is like this presented by presenting conveyer 106 along arrow D direction.Coil delivery unit 120 keep a predetermined quantity by presenting the coil 18 that conveyer 106 is presented, and simultaneously these coils 18 are put in the container 118 in the attitude that holds them in expectation.After being seated in a predetermined quantity coil 8 in the container 18, this container 118 is overlayed on the container that had before stacked 118 of filling coil 18, and this folded container 118 is fed to a jar insertion mechanism 124 by container conveyer 122 then.
The coil 18 of division board 36 is inserted in the battery can 14 under jar inserts in the mechanism 124, has on its lower end, shown in (a) among Fig. 8.Battery can 14 sends pot bottom welding mechanism 126 and crimping mechanism 128 to continuously by first anchor clamps of presenting on the conveyer 152 of presenting.In pot bottom welding mechanism 126, shown in (b) among Fig. 8, bottom electrode 130 is held against the lower surface of the pot bottom 14b of battery can 14, and top electrode 132 is inserted among the axis hole 18a in the coil 18 in the battery can 14.Negative electrode lead 28 is compressed against by bottom electrode 130 and top electrode 132 on the inner surface of pot bottom 14b of battery can 14, and is soldered to pot bottom 14b.
After last division board 38 was inserted into battery can 14, crimping mechanism 128 formed a cannelure 34 near cylindrical wall openend 14a place, this battery can 14 of battery can 14, as (C) among Fig. 8 with (d).Whether short circuit of battery can 14 is checked in the second test for short-circuit unit 133 then.If because the crack of dividing plate 24a, the 24b that can cause by top electrode 132 or since the stress that crimping mechanism 128 applies caused, electrode film 20 and negative electrode 22 mutual short circuits, then to be rejected be a defective product to coil 18.
The electronic scale of first weight measurement mechanism 136 is weighed to battery can 14 then, shown in (e) among Fig. 8.Then, battery can 14 is fed to electrolyte injection device 46.
In electrolyte injection device 46, the battery can 14 of one predetermined quantity is presented from second presents anchor clamps 156b separation accordingly on the conveyer 154, and electrolytic solution is injected into the circulation at a predetermined quantity of these battery cans 14 and these battery cans 14, for example be evacuated in four circulations, shown in (f) among Fig. 8, each battery can 14 that is marked with electrolytic solution 16 is transmitted to the Seal end plate installing mechanism 140 of openend bending device 48.
In Seal end plate installing mechanism 140, Seal end plate 130 is welded to the positive electrode lead 26 that protrudes upward from battery can 14, and inserts battery can 14 then, and crooked positive electrode lead 26 of while is as (g) among Fig. 8 with (h).Battery can 14 is fed to bending mechanism 142, and bending mechanism 142 bends inwards the openend 14a of battery can 14 apace with the Seal end plate 30 of fastening this insertion, thereby finishes battery 12, shown in (i) among Fig. 8.
146 pairs of the electronic scales of second weight measurement mechanism 144 have the battery 12 of the openend 14a of bending weighs, shown in (j) among Fig. 8.From the weight that electronic scale 146 records, deduct the weight that records by electronic scale 138 and before be stored in the weight of the Seal end plate 30 in the memory.Therefore, can highly precisely detect the weight of the electrolytic solution that injects battery can 14.
Whether short circuit of the battery that transmits from second weight measurement mechanism 144 12 is checked in the 3rd test for short-circuit unit 147.Particularly, the 3rd test for short-circuit unit 147 detects the interior voltage of battery 12, and checks in the battery 12 whether have short circuit according to the voltage that records.Being found the battery 12 that has short circuit according to the voltage that records arbitrarily is rejected.Because checked by test for short-circuit device 149, the quantity that has the battery 12 of defective in the final product is reduced widely.
X ray examination device 148 is checked the inside of battery 14 then.Then, battery 14 is introduced into cleaning device 50, and cleaning device 50 usefulness pure water clean battery 14 and make its drying, shown in (k) among Fig. 8.
In the embodiment of explanation, rectangle lithium paper tinsel 54 is applied to apparent surface 52a, the 52b of electrode slice 52 to manufacture negative electrode plate 22 by negative electrode sheet forming device 40, and this negative electrode plate 22 that is superimposed with spacer block 72 thereafter on it is by spooling.Then, in the online cast apparatus for converting 42, the negative electrode plate 22 of this spooling is installed in negative electrode and supports on the bobbin 82.When the negative electrode plate 22 of this spooling was released, spacer block 72 was peeled off and is wound onto spacer block and twined on the bobbin 86 from the negative electrode plate 22 of this spooling, and only has negative electrode plate 22 to be transmitted to coiler 90.
Owing to make with the polyethylene or the polypropylene of the combined spacer block 72 of the negative electrode plate 22 of spooling, prevented that the rectangle lithium paillon foil 54 that may be adhered to the nearly all material except that comprising polyethylene and polyacrylic some material from adhering on the part of not expecting of electrode slice 52 or other parts.
Because negative electrode plate 22 is treated to the form of a spooling, can easily form negative electrode plate 22 and coil 18.Because easily handle the negative electrode plate 22 of spooling, carry out to be made automation and more efficient to the entire cell assembly system 10 that the battery of making and clean battery 12 assembles processing from rectangle lithium paper tinsel 54 being applied to electrode slice 52.
And the coil 18 that is formed the predetermined quantity that device 42 forms by coil is deposited in the container 118, keeps a desirable attitude simultaneously.One folded such container 118 is automatically presented to coil loading attachment 44 by container conveyer 122 then.Conveyer 150 extends to cleaning device 50 from coil loading attachment 44.Present conveyer 152,154 by first and second of conveyer 150, battery can 14 is automatically presented with the interval that separates along the direction of arrow E indication.Therefore, coil 18 and battery can 14 can be transmitted automatically and effectively.
Also have, battery assembly system 10 comprises weight management device 134 and X ray examination device 148 and checks the whether test for short-circuit device 149 of short circuit of the coil that transmits from coil conveyer 42 18.This weight management device 134, X ray examination device 148 and test for short-circuit device 149 make battery assembly system 10 produce battery 12 accurately.
Although at length illustrate and illustrated a preferred embodiment of the present invention, should be appreciated that the scope that does not break away from claims can make various variations and remodeling.
Claims (15)
1. the method for an assemble includes step:
Automatically rectangle lithium paillon foil (54) is applied at least one surface (52a) of an electrode slice (52) that elongates to form a negative electrode plate (22) with the interval that separates;
Automatically spooling is superimposed with the described electrode slice (22) of a spacer block (72) on it;
Automatically untie the negative electrode plate (22) of this spooling, peel off described spacer block (72) from described negative electrode plate (22) simultaneously;
Automatically untie the electrode film (20) of a spooling;
Automatically negative, positive electrode cable (28), (26) are welded to negative electrode plate (22) and electrode film (20) respectively;
Automatically described negative electrode plate (22) and electrode film (20) are cut into predetermined length;
Automatically with the described negative electrode plate (22) of Cutting Length and described electrode film (20) and dividing plate (24a), (24b) staggered ground spooling being aligned circle (18);
Automatically described coil (18) is inserted a battery can (14);
Automatically negative electrode lead (28) is soldered to the pot bottom (14b) of described battery can (14);
Automatically on cylindrical wall, form a cannelure (34) near the described battery can (14) of the open end of described battery can (14);
Automatically electrolytic solution (16) is injected described battery can (14);
Then, automatically Seal end plate (30) is soldered to positive electrode lead (26);
Automatically described Seal end plate (30) is inserted described battery can (14) by described openend (14a);
Automatically bend described openend (14a) with fastening described Seal end plate (30);
Then, automatically clean described battery can (14).
2. the method for claim 1 also includes step:
When keeping a plurality of coils (18) to be a predetermined attitude, described coil (18) is put in the container (118); And
Automatically transmit described container (118) to carry described coil (18) to the described step of automatically described coil (18) being inserted a battery can (14).
3. according to the method for claim 1, also include step:
Described electrolytic solution (16) injection battery can (14) is being reached at the described openend of bending (14a) afterwards before, the described battery can (14) of weighing, thus the weight of the electrolytic solution (16) of described battery can (14) is injected in detection.
4. according to the method for claim 1, also include step:
Check the whether short circuit mutually of the described negative electrode plate (22) of described coil (18) and described electrode film (20).
5. according to the method for claim 4, wherein said inspection step includes step:
Described coil (18) is being inserted described battery can (14) before,, checking the whether mutually short circuit of described negative electrode plate (22) and described electrode film (20) according to the resistance between described negative electrode plate (22) and the described electrode film (20);
Described electrolytic solution (16) is being injected described battery can (14) before,, checking the whether mutually short circuit of described negative electrode plate (22) and described electrode film (20) according to the resistance between negative electrode plate (22) and the described electrode film (20); And
At the described openend of bending (14a) afterwards, according to the interior voltage of described battery can (14), check the whether mutual short circuit of described negative electrode plate (22) and described electrode film (20).
6. according to the method for claim 1, also include step:
Behind the described openend of bending (14a), with the inside of the described battery can of X ray examination.
7. system that is used for assemble comprises:
Negative electrode sheet forming device (40), at least one surface (52a) that is used for rectangle lithium paillon foil (54) being applied to an electrode slice (52) that elongates with the interval that separates to be forming a negative electrode plate (22), and spooling is superimposed with the described electrode slice (22) of a spacer block (72) on it;
Coil forms device (42), be used to untie the negative electrode plate (22) of this spooling, peel off described spacer block (72) from described negative electrode plate (22) simultaneously, untie the electrode film (20) of a spooling, with negative, positive electrode cable (28), (26) be welded to negative electrode plate (22) and electrode film (20) respectively, described negative electrode plate (22) and electrode film (20) are cut into predetermined length, with described negative electrode plate (22) and the described electrode film (20) and dividing plate (24a), (24b) staggered ground spooling being aligned circle (18) of Cutting Length;
Coil loading attachment (44), be used for described coil (18) is inserted a battery can (14), negative electrode lead (28) is soldered to the pot bottom (14b) of described battery can (14), and on cylindrical wall, forms a cannelure (34) near the described battery can (14) of the open end of battery can (14);
Electrolyte injection device (46) is used for electrolytic solution (16) is injected described battery can (14);
Openend bending device (48), be used for after electrolytic solution (16) is injected described battery can (14), Seal end plate (30) is inserted described battery can (14), by described openend (14a) described Seal end plate (30) is inserted described battery can (14), and bend described openend (14a) then with fastening described Seal end plate (30); And
Cleaning device (50) is used for cleaning described battery can (14) after the described openend of bending (14a).
8. according to the system of claim 7, also comprise a container (118), be used for when keeping a plurality of coils (18) to be a predetermined attitude, described coil (18) being carried to described coil loading attachment (44).
9. system according to Claim 8 also comprises and presents conveyer (106), is used for a folded container (118) is fed to described coil loading attachment (44).
10. according to the system of claim 7, also comprise a weight management device (134), be used for described electrolytic solution (16) injection battery can (14) is being reached at the described openend of bending (14a) afterwards before, the described battery can (14) of weighing, thus the weight of the electrolyte that injects described battery can (14) detected.
11. system according to claim 10, wherein said weight management device (134) comprises a pair of electronic scale (136), (146), be used for described electrolytic solution (16) injection battery can (14) being reached at the described openend of bending (14a) afterwards before the described battery can (14) of weighing.
12. according to the system of claim 7, also comprise a test for short-circuit device (149), be used to check the whether short circuit mutually of the described negative electrode plate (22) of described coil (18) and described electrode film (20).
13. according to the system of claim 12, wherein said test for short-circuit device (149) comprising:
First testing fixture (110), be used for described coil (18) is being inserted described battery can (14) before, according to the resistance between described negative electrode plate (22) and the described electrode slice (20), check the whether mutually short circuit of described negative electrode plate (22) and described electrode film (20);
Second testing fixture (133), be used for described electrolytic solution (16) is being injected described battery can (14) before, according to the resistance between negative electrode plate (22) and the described electrode film (20), check the whether mutually short circuit of described negative electrode plate (22) and described electrode film (20); And
Whether mutual the 3rd testing fixture (147) is used for after the described openend of bending, according to the interior voltage of described battery can (14), check the short circuit of described negative electrode plate (22) and described electrode film (20).
14. according to the system of claim 7, also comprise an X ray examination device (148), be used for afterwards, with the inside of the described battery can of X ray examination (14) at the described openend of bending (14a).
15. the system according to claim 7 also comprises:
One conveyer (150) is used for automatically battery can (14) being transmitted to described cleaning device (50) from described coil loading attachment (44);
Described conveyer (150) has a plurality ofly presents anchor clamps (156a), (156b) with what the interval that separates kept described battery can (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9125983A JPH10321259A (en) | 1997-05-15 | 1997-05-15 | Assembling method and system of battery |
| JP125983/97 | 1997-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1199934A true CN1199934A (en) | 1998-11-25 |
Family
ID=14923831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98102147A Pending CN1199934A (en) | 1997-05-15 | 1998-05-14 | Method of and system for assembling electric cell |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH10321259A (en) |
| CN (1) | CN1199934A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938012A (en) * | 2009-06-29 | 2011-01-05 | 深圳市比克电池有限公司 | Method for manufacturing cylindrical battery capable of improving battery capacity |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4797219B2 (en) * | 1999-12-09 | 2011-10-19 | パナソニック株式会社 | Battery lead wire connection device |
| JP4712152B2 (en) * | 2000-04-18 | 2011-06-29 | パナソニック株式会社 | Square battery and method of manufacturing the same |
| KR100388649B1 (en) | 2001-05-23 | 2003-06-25 | 주식회사 코캄엔지니어링 | Lamination apparatus for automated manufacturing system of lithium secondary cell |
| KR100388650B1 (en) | 2001-05-23 | 2003-06-25 | 주식회사 코캄엔지니어링 | Packing apparatus for automated manufacturing system of lithium secondary cell |
| GB2491601A (en) * | 2011-06-07 | 2012-12-12 | Leclancha S A | Drying process for cost effective production of Li-accumulators |
| WO2020013301A1 (en) * | 2018-07-11 | 2020-01-16 | 株式会社モルフ | Assembly and method for manufacturing storage battery |
| CN109461959B (en) * | 2018-12-04 | 2023-11-17 | 广州市通上德智能装备有限公司 | Assembling device for horizontal battery |
| CN111682237B (en) * | 2020-05-09 | 2024-04-09 | 惠州金源精密自动化设备有限公司 | Full-automatic production line of button cell and button cell |
| CN112229846B (en) * | 2020-10-14 | 2023-05-16 | 重庆冠宇电池有限公司 | Pole piece winding coverage detection method and equipment |
-
1997
- 1997-05-15 JP JP9125983A patent/JPH10321259A/en active Pending
-
1998
- 1998-05-14 CN CN98102147A patent/CN1199934A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101938012A (en) * | 2009-06-29 | 2011-01-05 | 深圳市比克电池有限公司 | Method for manufacturing cylindrical battery capable of improving battery capacity |
| WO2011000239A1 (en) * | 2009-06-29 | 2011-01-06 | 深圳市比克电池有限公司 | A manufacturing method for cylindrical battery imporving the capacity of battery |
| CN101938012B (en) * | 2009-06-29 | 2014-04-30 | 深圳市比克电池有限公司 | Method for manufacturing cylindrical battery capable of improving battery capacity |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10321259A (en) | 1998-12-04 |
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