CN106169557A - Battery pole piece film covering device - Google Patents
Battery pole piece film covering device Download PDFInfo
- Publication number
- CN106169557A CN106169557A CN201610885828.9A CN201610885828A CN106169557A CN 106169557 A CN106169557 A CN 106169557A CN 201610885828 A CN201610885828 A CN 201610885828A CN 106169557 A CN106169557 A CN 106169557A
- Authority
- CN
- China
- Prior art keywords
- overlay film
- roller
- film roller
- skewback
- pole piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention relates to a kind of battery pole piece film covering device, it is characterized in that: include that rack-mount overlay film is to roller, overlay film pressure thrust mechanism and clearance adjustment mechanism, overlay film includes the upper overlay film roller that be arranged in parallel and lower overlay film roller to roller, the two ends of upper overlay film roller and lower overlay film roller are arranged on bearing block, upper overlay film roller and lower overlay film roller are driven by independent driving motor, have gap between the roll surface of upper overlay film roller and lower overlay film roller；Described overlay film pressure thrust mechanism provides the power of upper overlay film roller vertical direction；Described clearance adjustment mechanism includes that gap motivation of adjustment assembly and gap adjust transmission component, and gap adjusts transmission component and includes that the first skewback and the second skewback, the second skewback are connected with the bearing block of upper overlay film roller, and needle roller bearing plate is arranged on the inclined-plane of the first skewback；Described gap motivation of adjustment Component driver the first skewback and the second skewback slide relatively.The present invention can by lithium metal accurately, quantitatively, be evenly dispersed in the surface of pole piece, it is achieved the benefit lithium to pole piece.
Description
Technical field
The present invention relates to a kind of battery pole piece film covering device, especially a kind of two-sided continuously for anode plate for lithium ionic cell
Mend the battery pole piece film covering device of lithium, belong to lithium ion battery manufacturing automation equipment technical field.
Background technology
Lithium ion battery, owing to having the advantage of high voltage, high-energy-density and long circulation life, becomes range of application
One of wide secondary cell.But along with portable electric appts miniaturization, long standby development, and electric bicycle,
Electric automobiles etc. are high-power, the enabling of high-energy device, and all propose the energy density of the lithium ion battery as accumulation power supply
The highest requirement.
For pole piece, all can be due to the formation of solid electrolyte film (SEI film) during the initial charge of battery
And consume part lithium, cause the loss of anode material of lithium therefrom, thus reduce the capacity of battery, cause the fall of efficiency first
Low.
In order to reduce the reduction of the battery capacity brought due to battery irreversible capacity during first charge-discharge, Shen
Number metal lithium sheet please be covered on negative plate surface, so for the Japanese patent application of JP1996027910 discloses a kind of employing
Rear winding makes battery, and the method finally preparing lithium ion battery by the method for perfusion electrolyte, although the method also can play
Mend the effect of lithium, but the amount of lithium that negative plate can absorb is far smaller than the lithium that metal lithium sheet provides, and therefore can cause and be embedded into
Uneven, and cause the deformation of pole piece, and following cycle also easily occur analysis lithium.
It addition, the Japanese patent application of Application No. JP2005038720 proposes the method using vacuum evaporation negative
Pole piece flashes to layer of metal lithium layer, although the lithium layer of evaporation is thinner than metal lithium sheet, but metallic lithium layer during being somebody's turn to do
The more difficult control of thickness, and whole process must under vacuum conditions, and evaporation efficiency is relatively low, and the transfer processing of follow-up pole piece is also
More complicated, relatively costly.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of battery pole piece film covering device, it is possible to
By lithium metal accurately, quantitatively, be evenly dispersed in the surface of pole piece, it is achieved the benefit lithium to pole piece, improve battery capacity and use
Life-span.
The technical scheme provided according to the present invention, described battery pole piece film covering device, it is characterized in that: include being arranged on support
On overlay film to roller, overlay film pressure thrust mechanism and clearance adjustment mechanism, overlay film roller is included the upper overlay film roller that be arranged in parallel and
Lower overlay film roller, the two ends of upper overlay film roller and lower overlay film roller are rotatably installed on bearing block respectively, upper overlay film roller and lower overlay film roller by
Independent driving motor drives, and has gap between the roll surface of upper overlay film roller and lower overlay film roller；Described overlay film pressure thrust mechanism
The power of one vertical direction of overlay film roller in offer；
Described clearance adjustment mechanism includes that gap motivation of adjustment assembly and gap adjust transmission component, and gap adjusts transmission component bag
Including the first skewback, the second skewback and needle roller bearing plate, the second skewback is connected with the bearing block of upper overlay film roller, the first skewback and the second skewback
With contact of incline plane, needle roller bearing plate is arranged on the inclined-plane of the first skewback；Described gap motivation of adjustment assembly connects the first skewback and drives
First skewback and the second skewback slide relatively along inclined-plane.
Further, described overlay film pressure thrust mechanism uses pneumohydraulic pressure-cylinder, and the hydraulic rod end of pneumohydraulic pressure-cylinder supports
Live in the bearing block of overlay film roller rear and front end.
Further, on described, the bearing block at overlay film roller two ends is respectively provided on two sides with limit rail slide block, limit rail slide block and limit
Rail Orbit Matching is installed, and limit rail track is vertically installed on support.
Further, described gap motivation of adjustment assembly includes servomotor, shaft coupling, leading screw and leading screw bearing, leading screw
Two ends be separately mounted on leading screw bearing, the output shaft of servomotor is connected with one end of leading screw, on leading screw by shaft coupling
It is coaxially disposed leading screw nut；Being provided with load guide rail between two leading screw bearings, load guide rail is provided with guide rail slide block, and drive block is pacified
Being contained on guide rail slide block, drive block is connected with leading screw nut；Described first skewback is arranged on drive block.
Further, described leading screw nut includes screw cap end and flange end, and drive block is provided with groove, groove and leading screw spiral shell
The screw cap end matched in clearance of cap, flange end is connected with drive block.
Further, measurement of fit clearance mechanism on the bracket, clearance measurement mechanism includes for measuring upper overlay film
The laser sensor in gap between roller and lower overlay film roller.
Further, on described, it is respectively arranged at two ends with a step, laser sensing before and after overlay film roller and lower overlay film roller
The upper gap between overlay film roller and the step of lower overlay film roll end of device alignment.
Further, being provided with cleaning doctor on described outside the roll surface of overlay film roller and lower overlay film roller, cleaning doctor is pressed close to
Upper overlay film roller and the roll surface of lower overlay film roller.
Further, the quantity of described pneumohydraulic pressure-cylinder is two.
The method have the advantages that
1, clearance adjustment mechanism simple in construction, it is possible to the stable motion controlling overlay film roller, prevents overlay film roller in motor process
It is subjected to displacement, affects overlay film effect.
2, the present invention is accurate to pole piece by the realization of clearance measurement mechanism, mend lithium uniformly, and supplementary lithium powder can be electricity
Pond circulation provides lithium source, improves efficiency first, improves battery capacity and service life.
3, gap adjustment range reaches 1um at 0-0.5mm, degree of regulation.
Accompanying drawing explanation
Fig. 1 is the structural representation of battery pole piece film covering device of the present invention.
Fig. 2 is the left view of battery pole piece film covering device of the present invention.
Fig. 3 is the partial enlarged drawing of battery pole piece film covering device of the present invention.
Fig. 4 is the schematic diagram of described drive block.
Fig. 5 is the partial schematic diagram of described clearance measurement mechanism.
Fig. 6 is the overlay film fundamental diagram of the present invention.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
Shown in Fig. 1～Fig. 6: as described in battery pole piece film covering device include support 1, front panel 2, rear board 3, top panel 4,
Lower panel 5, bearing block 6, upper overlay film roller 7, lower overlay film roller 8, overlay film pressure thrust mechanism 9, servomotor 10, shaft coupling 11, silk
Thick stick 12, leading screw bearing the 13, first skewback the 14, second skewback 15, needle roller bearing plate 16, limit rail slide block 17, limit rail track 18, leading screw nut
19, load guide rail 20, guide rail slide block 21, drive block 22, groove 23, laser sensor 24, laser fixed plate 25, cleaning doctor
26, scraper base 27, decelerator 28, driving motor 29, pole piece 100, film 200.
Battery pole piece film covering device of the present invention, for mending lithium to anode plate for lithium ionic cell.As shown in Fig. 1～Fig. 2,
Battery pole piece film covering device of the present invention includes that the overlay film that is arranged on support 1 is to roller, overlay film pressure thrust mechanism 9 and gap
Guiding mechanism, support 1 includes front panel 2, rear board 3, top panel 4 and lower panel 5, and bearing is passed through in the two ends of roller by overlay film respectively
Being arranged on bearing block 6, the rear end of roller is connected by overlay film with the output shaft driving motor 29, drives motor 29 to be arranged on support 1
Rear board 3 on, overlay film includes upper overlay film roller 7 and lower overlay film roller 8, upper overlay film roller 7 and the lower overlay film being oppositely arranged in parallel to roller
Roller 8 is driven by an independent driving motor 29 respectively, and upper overlay film roller 7 is pressed close to mutually with the roll surface of lower overlay film roller 8 and leaves gap.
Overlay film pressure thrust mechanism 9 is mounted above on plate 4, the preferred pneumohydraulic pressure-cylinder of overlay film pressure thrust mechanism 9, gas in the present embodiment
The quantity of liquid pressurized cylinder is two, and pneumohydraulic pressure-cylinder gives the power (two of upper 7 one vertical directions of overlay film roller all the time by hydraulic stem
The hydraulic rod end of pneumohydraulic pressure-cylinder props up the bearing block of overlay film roller rear and front end), it is ensured that overlying in overlay film work process
Film roller 7 will not because of overlay film pressure play, affect overlay film gap.
Described clearance adjustment mechanism includes that gap motivation of adjustment assembly and gap adjust transmission component, gap motivation of adjustment group
Part includes servomotor 10, decelerator 28, shaft coupling 11, leading screw 12 and leading screw bearing 13, and gap adjusts transmission component and includes the
One skewback the 14, second skewback 15, needle roller bearing plate 16, limit rail slide block 17 and limit rail track 18.Two leading screw bearings 13 are horizontally set on
The position of support 1 front panel 2 both sides, the two ends of leading screw 12 are separately mounted on leading screw bearing 13, the output of servomotor 10
Axle is connected with one end of leading screw 12 by shaft coupling 11, is provided with load guide rail 20, loads guide rail 20 between two leading screw bearings 13
On be correspondingly provided with guide rail slide block 21, the rear end of drive block 22 is arranged on guide rail slide block 21, and drive block 22 is provided with groove 23(such as
Shown in Fig. 4), the middle part of leading screw 12 is coaxially arranged with leading screw nut 19, and leading screw nut 19 includes screw cap end and flange end, groove 23
Can accommodate the screw cap end of leading screw nut 19, screw cap end matches with leading screw 12, and flange end is connected with drive block 22.Drive block 22
Rear upper side face be inclined-plane, the first skewback 14 is arranged on this inclined-plane, and needle roller bearing plate 16 is arranged on the first skewback 14, and second is oblique
Block 15 is arranged on bottom the bearing block of overlay film roller 7, and the first skewback 14, needle roller bearing plate 16 and the second skewback 15 form a fitness machine
Structure.
The bearing block at upper overlay film roller 7 two ends is respectively provided on two sides with limit rail slide block 17, limit rail slide block 17 and 18, rail track of limit
Joining installation, limit rail track 18 is vertically installed on front panel 2 and the rear board 3 of support 1, it is achieved the spacing fortune to upper overlay film roller 7
Dynamic, make overlay film roller 7 to move up and down by the vertical direction.
Accurately adjusting to realize precise gaps, the present invention is additionally provided with clearance measurement mechanism, and clearance measurement mechanism includes swashing
Photofixation plate 25, installs laser sensor 24 at the two ends of laser fixed plate 25, and laser fixed plate 25 is separately positioned on overlay film
Roller 7 and the front portion of lower overlay film roller 8 and corresponding to upper overlay film roller 7 and the middle position of lower overlay film roller 8 and upper overlay film roller 7 and
The rear portion of lower overlay film roller 8 and corresponding to upper overlay film roller 7 and the middle position of lower overlay film roller 8.On described overlay film roller 7 and under cover
Two ends before and after film roller 8 (being front with direction to the right in Fig. 2, direction to the left is rear) are respectively equipped with a step, laser
Sensor 24 by detecting the adjustment distance in gap to the change of the distance of upper overlay film roller 7 and the step of lower overlay film roller 8 end.
In order to realize cleaning function, outside the roll surface of upper overlay film roller 7 and lower overlay film roller 8, it is provided with cleaning doctor 26, cleaning
Upper overlay film roller 7 and the roll surface of lower overlay film roller 8 are pressed close in one end of scraper 26, and the other end of cleaning doctor 26 is arranged on scraper base 27
On, the two ends of scraper base 27 are separately mounted on front panel 2 and rear board 3.
The operation principle of the present invention: as shown in Figure 6, electrode plates 100 and with the film 200 of lithium powder between two overlay film rollers
Passing through, the lithium powder on film 200 is added under the effect of overlay film roller on pole piece 100, and the lithium powder supplemented can be circulating battery
Lithium source is provided, improves efficiency first, improve battery capacity.
The operation principle that gap adjusts: servomotor 10 drives leading screw 12 to rotate, by leading screw nut by shaft coupling 11
19 drive drive block 22 to move in the horizontal direction, and drive block 22 drives the first skewback 14 to move, by the effect of needle roller bearing plate 16
Realize relatively sliding between the first skewback 14 and the second skewback 15, owing to skewback has inclined plane, realize upper overlay film so final
Roller 7 moves up and down, the limit rail track 18 that the bearing block both sides at upper overlay film roller 7 two ends are arranged and limit rail slide block 17, it is achieved to overlying
The restriction of the direction of motion of film roller 7, makes 7 the in the vertical direction motions of overlay film roller.The gap adjustment range of the present invention is at 0-
0.5mm, degree of regulation reaches 1um.
Claims (9)
1. a battery pole piece film covering device, is characterized in that: include that roller, overlay film pressure are pushed away by the overlay film being arranged on support (1)
Force mechanisms (9) and clearance adjustment mechanism, overlay film includes upper overlay film roller (7) and lower overlay film roller (8), the upper overlay film be arrangeding in parallel to roller
The two ends of roller (7) and lower overlay film roller (8) are rotatably installed on bearing block (6) respectively, upper overlay film roller (7) and lower overlay film roller (8) by
Independent driving motor (29) drives, and has gap between upper overlay film roller (7) and the roll surface of lower overlay film roller (8)；Described overlay film pressure
The power of (7) vertical directions of overlay film roller in force mechanisms (9) offer is provided；
Described clearance adjustment mechanism includes that gap motivation of adjustment assembly and gap adjust transmission component, and gap adjusts transmission component bag
Including the first skewback (14), the second skewback (15) and needle roller bearing plate (16), the second skewback (15) is solid with the bearing block of upper overlay film roller (7)
Even, the first skewback (14) and the second skewback (15) are arranged on the inclined-plane of the first skewback (14) with contact of incline plane, needle roller bearing plate (16)；
Described gap motivation of adjustment assembly connects the first skewback (14) and drives the first skewback (14) relative along inclined-plane with the second skewback (15)
Slide.
2. battery pole piece film covering device as claimed in claim 1, is characterized in that: described overlay film pressure thrust mechanism (9) uses
Pneumohydraulic pressure-cylinder, the hydraulic rod end of pneumohydraulic pressure-cylinder props up the bearing block of overlay film roller (7) rear and front end.
3. battery pole piece film covering device as claimed in claim 1, is characterized in that: the bearing at overlay film roller (7) two ends on described
Seat is respectively provided on two sides with limit rail slide block (17), and limit rail slide block (17) is erected with limit rail track (18) Matching installation, limit rail track (18)
Directly it is arranged on support (1).
4. battery pole piece film covering device as claimed in claim 1, is characterized in that: described gap motivation of adjustment assembly includes servo
Motor (10), shaft coupling (11), leading screw (12) and leading screw bearing (13), the two ends of leading screw (12) are separately mounted to leading screw bearing
(13) on, the output shaft of servomotor (10) is connected with one end of leading screw (12) by shaft coupling (11), and leading screw (12) is upper coaxial
Leading screw nut (19) is set；Being provided with load guide rail (20) between two leading screw bearings (13), load guide rail (20) is provided with guide rail
Slide block (21), drive block (22) is arranged on guide rail slide block (21), and drive block (22) is connected with leading screw nut (19)；Described first
Skewback (14) is arranged on drive block (22).
5. battery pole piece film covering device as claimed in claim 4, is characterized in that: described leading screw nut (19) include screw cap end and
Flange end, drive block (22) is provided with the screw cap end matched in clearance of groove (23), groove (23) and leading screw nut (19), flange end
It is connected with drive block (22).
6. battery pole piece film covering device as claimed in claim 1, is characterized in that: at the upper measurement of fit clearance of described support (1)
Mechanism, clearance measurement mechanism includes for measuring the laser sensor in gap between upper overlay film roller (7) and lower overlay film roller (8)
(24).
7. battery pole piece film covering device as claimed in claim 6, is characterized in that: overlay film roller (7) and lower overlay film roller on described
(8) step it is respectively arranged at two ends with before and after, overlay film roller (7) and lower overlay film roller (8) end on laser sensor (24) alignment
Step between gap.
8. battery pole piece film covering device as claimed in claim 1, is characterized in that: overlay film roller (7) and lower overlay film roller on described
(8) being provided with cleaning doctor (26) outside roll surface, cleaning doctor (26) presses close to upper overlay film roller (7) and the roll surface of lower overlay film roller (8).
9. battery pole piece film covering device as claimed in claim 2, is characterized in that: the quantity of described pneumohydraulic pressure-cylinder is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885828.9A CN106169557B (en) | 2016-10-10 | 2016-10-10 | Battery pole piece film covering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885828.9A CN106169557B (en) | 2016-10-10 | 2016-10-10 | Battery pole piece film covering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106169557A true CN106169557A (en) | 2016-11-30 |
| CN106169557B CN106169557B (en) | 2018-10-26 |
Family
ID=57377191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610885828.9A Active CN106169557B (en) | 2016-10-10 | 2016-10-10 | Battery pole piece film covering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106169557B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459731A (en) * | 2019-08-17 | 2019-11-15 | 珠海冠宇电池有限公司 | A kind of lithium ion battery negative electrode mends lithium device and mends lithium method |
| CN113190065A (en) * | 2021-01-22 | 2021-07-30 | 大连理工大学 | Device and method for precisely controlling deformation parameters of metal construction |
| CN113725397A (en) * | 2021-11-02 | 2021-11-30 | 天津中能锂业有限公司 | Fast response transfer multiplexing method |
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| CN206134812U (en) * | 2016-10-10 | 2017-04-26 | 无锡先导智能装备股份有限公司 | Battery sheet tectorial membrane device |
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| CN201570539U (en) * | 2009-10-22 | 2010-09-01 | 广州兰格电气设备有限公司 | Membrane cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110459731A (en) * | 2019-08-17 | 2019-11-15 | 珠海冠宇电池有限公司 | A kind of lithium ion battery negative electrode mends lithium device and mends lithium method |
| CN113190065A (en) * | 2021-01-22 | 2021-07-30 | 大连理工大学 | Device and method for precisely controlling deformation parameters of metal construction |
| CN113725397A (en) * | 2021-11-02 | 2021-11-30 | 天津中能锂业有限公司 | Fast response transfer multiplexing method |
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| Publication number | Publication date |
|---|---|
| CN106169557B (en) | 2018-10-26 |
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Effective date of registration: 20170511 Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Applicant after: Contemporary Amperex Technology Co.,Ltd. Address before: 214029 Jiangsu city of Wuxi province new Quxin Wu Xi Road No. 20 Applicant before: WUXI LEAD INTELLIGENT EQUIPMENT Co.,Ltd. |
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