CN201940351U - Powder applying device for secondary battery pole piece - Google Patents
Powder applying device for secondary battery pole piece Download PDFInfo
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- CN201940351U CN201940351U CN2011200994536U CN201120099453U CN201940351U CN 201940351 U CN201940351 U CN 201940351U CN 2011200994536 U CN2011200994536 U CN 2011200994536U CN 201120099453 U CN201120099453 U CN 201120099453U CN 201940351 U CN201940351 U CN 201940351U
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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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Abstract
The utility model relates to a powder applying device for a secondary battery pole piece, comprising a box body, powder applying brushes, a powder applying hopper, a powder charging hole, a guide wheel, a receiving disk, a transmission mechanism and the like, wherein the powder applying hopper is arranged in the box body, is used for wrapping the powder applying brushes and has a multi-arc type structure; the guide wheel is arranged in the box body by using a guide wheel installation shaft, the powder applying hopper is arranged above the guide wheel, foaming metal belt passing holes are arranged at the tops of the powder applying hopper and the box body, corresponding to the position above the guide wheel, one side of the box body, corresponding to one side of the lower part of the guide wheel, is provided with a foaming metal belt passing hole, the symmetrically-distributed powder applying brushes are arranged at a position which is in the powder applying hopper and corresponds to the position above the guide wheel, each powder applying brush is connected with two corresponding side plates of the box body by two ends of a rotating shaft and can rotate relative to the box body, and one end of the rotating shaft penetrates out of the box body and is connected with the transmission mechanism outside the box body. The device can improve the powder application uniformity of the battery pole piece, and alleviate damage to foaming metal, and has the characteristics of being compact in structure and good in sealing performance.
Description
Technical field
The utility model relates to a kind of secondary cell pole piece process units, especially relates to powdered activated material and additive are packed into the last powder device that the porous metals pole piece is produced, and belongs to battery manufacturing machine technical field.
Background technology
At present, foaming type Ni-MH battery and nickel-cadmium cell pole plate mainly contain wet method and two kinds of modes of production of dry method, and wherein wet method has technical maturity, characteristics that production efficiency is high, but its manufacturing cost height, are difficult to high capacity; And the dry type pole plate is made simply, and cost is the end of than.The present dry type pole plate pasting shove technology beginning is existing in the nineties in last century, through progressively having improved continuous foam nickel slurry technology, existing most equipment film-making production cycles are long on anodal production facility, technique controlling difficulty is big for this technology, last powder uniformity is not good, the product combination property is relatively poor relatively, and automaticity is low, energy consumption is high, operation and maintenance cost height, anodal film-making technology of this labor-intensive and equipment have seriously restricted the development of secondary cell.
In recent years, along with the extensive use of secondary cell, the performance of battery has been proposed more and more higher requirement, and the raising of battery performance must depend on the raising of battery pole piece product quality, improving the battery production device is the important channel of improving battery pole piece.As Chinese patent application CN201010249605.6, on August 10 2010 applying date, publication number CN101908612A discloses a kind of automatic powdering box for anode of secondary battery, and it comprises casing; Be provided with into powder case directive wheel in the casing; The top of advancing powder case directive wheel is provided with first coarse wool brush, second coarse wool brush, first fine, soft fur brush and second fine, soft fur brush; The end of first turning cylinder, the 3rd turning cylinder and the 4th turning cylinder all is provided with driven sprocket, and the below of first turning cylinder, one end is provided with the drive sprocket and first tightener sprocket; The drive sprocket and first tightener sprocket utilize first chain driven sprocket corresponding with first turning cylinder, the 3rd turning cylinder and the 4th turning cylinder end to link to each other; Second turning cylinder is provided with driven sprocket corresponding to the end away from drive sprocket, second turning cylinder is provided with second tightener sprocket corresponding to the below that is provided with driven sprocket, and second tightener sprocket utilizes second chain driven sprocket corresponding with first turning cylinder and second turning cylinder to link to each other.
Chinese patent application CN201010249601.8, on August 10 2010 applying date, publication number CN101913510A discloses a kind of secondary battery anode powdering full-automatic production line.It comprises first base; One end of described first base is provided with discharge plate, and discharge plate can rotate relative to first base; First base is provided with headset corresponding to the other end that discharge plate is set; One side of first base is provided with second base, and second base is positioned at first base corresponding to the side that headset is set; Second base is provided with the powder case; Second base is provided with rolling mechanism corresponding to the side that the powder case is set, and rolling mechanism is provided with the feed mill directive wheel, and described feed mill directive wheel is positioned at the top of powder case; Comprise the rolling wheel that symmetrical distribution is set in the rolling mechanism; Rolling mechanism is provided with automatic induction lug slicer corresponding to the opposite side that links to each other with last powder case, also is provided with the receiving mechanism that is used to collect the pole piece clout on the described automatic induction lug slicer.
Chinese patent CN101908612A and CN101913510A have proposed secondary battery anode powdering equipment, broken through traditional wet method slurry technology, realized anodal dry process preferably, simplified the manufacturing process flow of anode, improved the automatization level of producing, improve production efficiency, reduced production cost.But existing go up on the powder equipment that powder easily deposits in the powder process, thus cause powder in last powder bucket distribution and inhomogeneous influence of proportion of powder on the uniformity of powder; The uniformity that powder mixes in last powder process is not good yet, needs higher last brush dust rotary speed just can reach predetermined last powder amount, and on whitewash the too high increase that not only brings energy consumption of rotary speed, also cause damaging the foaming metal pole piece easily; Powder is escaped easily in the last powder process, causes poor working environment, the powder waste, and cost increases.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, powder device on a kind of secondary cell pole piece is provided, it improves the last not good problem of powder uniformity in the secondary cell pole piece dry production process, improves the environment of going up in the powder production process simultaneously.
For solving the problems of the technologies described above, basic design of the present utility model is: powder device on a kind of secondary cell pole piece, comprise casing, on whitewash, be installed on the last powder bucket of box house, the powder feed mouth, directive wheel, receiver, transmission mechanism is formed, described directive wheel utilizes the directive wheel installation shaft to be installed in the casing, described upward powder bucket is positioned at the top of directive wheel, last powder bucket and casing top are provided with foaming metal band through port corresponding to the top of directive wheel, casing is provided with foaming metal band through port corresponding to a side of directive wheel bottom, casing top and corresponding last powder bucket part are provided with the first powder feed mouth and the second powder feed mouth, the first powder feed mouth, the second powder feed mouth lays respectively at the both sides of the last powder bucket foaming metal band through port of casing top and correspondence, in the last powder bucket corresponding to the top of directive wheel be provided be symmetrical distribution on whitewash, whitewash on described by the turning cylinder two ends biside plate corresponding and link to each other with casing, and can rotate with respect to casing, one end of turning cylinder passes outside the casing, outside casing, be connected with transmission mechanism, described receiver is positioned at the casing bottom corresponding to last powder bucket foaming metal band through port below, can be fixing with casing or do not fixedly connected, it is more even for powder is mixed in hopper, the uniformity of powder in the raising, alleviated damage to the foaming metal band, described the last powder bucket of going up powder equipment carries out the change of planform, and hopper is changed into by original closed-in construction and wraps up many circular arc types structure of whitewashing on described.
Powder joins in the powder bucket continuously via the first powder feed mouth, the second powder feed mouth in the course of the work, and the addition of powder is adjustable according to technological requirement, and the regulative mode of flow can be to realize by regulating outside reinforced screw rod rotary speed; The foaming metal band is externally under the effect of tractive force, as being drawn by tablet press machine or special draw-gear, the foaming metal band enters via the casing inlet, enters in the powder bucket by directive wheel, have in the last powder bucket symmetrical distribution on whitewash, the foaming metal band passes in the middle of whitewash; On whitewash by turning cylinder and be connected with casing; Turning cylinder links to each other with transmission mechanism, and transmission mechanism can be belt, gear, sprocket wheel, reduction box etc., or directly links to each other with exterior motor, obtains power from external motive device, drives the turning cylinder rotation during work, on whitewash passive rotation, carry out the brush dust action; The powder that falls by powder bucket inlet on the foaming metal band in the last powder process is collected in the receiver.Last powder post-foaming metal tape via the casing outlet, is towed to next process by last powder bucket outlet.If will change the last powder amount of foaming metal band, can regulate by the rotary speed of whitewashing in the adjusting or the speed of passing through of foaming metal band, also the prescription of variable powder is regulated.
For the processing, the cleaning of being convenient to powder bucket inside that solve powder bucket on many circular arc types structure, problem such as prevent that powder from revealing, reducing production costs, as realizing that first kind that the utility model conceives is substantially improved technical scheme: the described powder bucket of going up is made up of polylith list circular arc type liner plate, the two ends of described single circular arc type liner plate can be fixed on the casing by modes such as chute or bolts, are spliced into the described many circular arc types structure of whitewashing of parcel in casing.Better scheme is to be parallel to the edge that whitewashes at described single circular arc type liner plate to be provided with the snap close that prevents that powder from revealing and fixing.The plan of establishment of snap close such as: a side that is parallel to the edge that whitewashes at described single circular arc type liner plate is provided with the tongue and groove of shapes such as recessed cabinet shape, C type, V-type, U type, circular arc, and be parallel to the edge that whitewashes at another adjacent with it single circular arc type liner plate, be provided with protuberance with recessed tongue and groove coupling, form the mandarin duck button, fixing and be connected between single circular arc type liner plate by this mandarin duck button.Last powder bucket is arranged to be made up of polylith list circular arc type liner plate, can solve the difficulty of powder bucket processing and making process, corrosion-resistant and/or anti abrasive material easy to use, reduce production costs, also help improving the machining accuracy and the surperficial fineness that go up powder bucket inside, reduce the deposition of powder in last powder bucket, the convenient cleaning.
As realizing that second kind that the utility model conceives is substantially improved technical scheme: whitewash on described into up and down two pairs or more, be provided with many on whitewash and help reducing the rotary speed of whitewashing, protection foaming metal band, the uniformity of powder in the raising.
Improve technical scheme as the third that realize that the utility model conceives substantially: adapt to powder demand on the foaming metal band of different-thickness for raising equipment, the life cycle of whitewashing in the prolongation, and can regulate the powder amount, also be provided with fixing or moving slider, the adjusting handle identical on the casing with moving slider quantity, adjusting handle links to each other with slide block, whitewash on described by the turning cylinder two ends and link to each other with fixing or moving slider, and can relatively rotate, one end of turning cylinder passes outside the slide block, is connected with transmission mechanism outside slide block.Better scheme is also to be provided with spring whitewashing on every pair between the set slide block of turning cylinder, whitewashes in time to move into place on the adjustment process moving slider is subjected to the active force of spring, is convenient in the adjustment process, convenient distance between whitewashing on regulating every pair.
As realizing that the 4th kind that the utility model conceives is substantially improved technical scheme: described transmission device is by drive sprocket, driven sprocket and tightener sprocket constitute, described turning cylinder passes casing or the outer end of slide block is provided with driven sprocket, same group of drive sprocket, driven sprocket and tightener sprocket are positioned at the homonymy of casing, and be in same plane, connect by chain between them, drive sprocket links to each other with the casing of driven sprocket homonymy with tightener sprocket and can rotate with respect to casing, the relative casing of tightener sprocket can also move up and down, thereby realizes because of the elastic demand of moving slider adjustment to the chain tension degree.
As realizing that the 5th kind that the utility model conceives is substantially improved technical scheme: the bottom of described casing is provided with roller, and this scheme can make things convenient for moving of device.
In order further to improve the quality of products, the escaping of powder in the powder process in the reduction, as realizing that the 6th kind that the utility model conceives is substantially improved technical scheme: described below of going up powder bucket top foaming metal band through port is provided with two opposite scrapers of edge of a knife direction.Better scheme is the height difference of described scraper, and deviates from the straight-line trajectory of foaming metal band, and scraper can form squeezing action to the foaming metal band.The foaming metal band is in motion process, by with the contacting of scraper, scraper is further wipeed the powder on the foaming metal band off, make powder more even to, thereby improve the quality of product, foaming metal band and scraper contact simultaneously, the sealing process of mouth is taken in formation out of to foaming metal on the last powder bucket, thereby the escaping of powder in the powder process improved operating environment in the minimizing, reduces production costs.In the better scheme, help improving the result of use of scraper,, help protecting the foaming metal band simultaneously not at same position.
The beneficial effects of the utility model are: go up powder bucket and be designed to wrap up many circular arc types structure of whitewashing on described, whitewash on having reduced and last powder bucket between the space, particularly do not deposit the dead band that powder does not move, powder is difficult to deposition, has improved the powder deposition to the inhomogeneity influence of last powder; Powder forms easily sufficient fluidized state in the last powder process, on only whitewash that the lower rotary speed of needs just can reach predetermined last powder amount, whitewash damage on having alleviated to foaming metal; Little, the compact conformation of many circular arc types structure space, powder is difficult to escape in the last powder process, and the powder less wastage has reduced cost, has improved working environment.
Description of drawings
Fig. 1 is the working state schematic representation of powder device on the utility model;
Fig. 2 is the structural representation behind the powder device installation motor on the utility model;
Fig. 3 does not contain the left view of motor for powder device on the utility model;
Fig. 4 is the right view of powder device on the utility model.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment the utility model is described in further detail, but limits scope of the present utility model never in any form.
As Fig. 1～shown in Figure 4: the powder device comprises foaming metal band 1 on the utility model secondary cell pole piece, first scraper 2, second scraper 3, last powder bucket 4, casing 5, whitewash 6 on first, whitewash 7 on second, whitewash 8 on the 3rd, whitewash 9 on the 4th, first adjusting handle 10, second adjusting handle 11, the 3rd adjusting handle 35, the 4th adjusting handle 36, guide wheel shaft 12, directive wheel 13, receiver 14, support roller 15, motor 16, whitewash 6 first turning cylinder 17 on first, whitewash 7 second turning cylinder 18 on second, whitewash 8 the 3rd turning cylinder 19 on the 3rd, whitewash 9 the 4th turning cylinder 20 on the 4th, be fixed in first driven sprocket 28 on first turning cylinder 17, be fixed in second driven sprocket 26 on second turning cylinder 18, be fixed in the 3rd driven sprocket 27 on the 3rd turning cylinder 19, be fixed in the 4th driven sprocket 29 on the 4th turning cylinder 20, drive sprocket 25 and 32, tightener sprocket 31 and 33, chain 30 and 34, fixedly slide block 21,23,37 and 38, movable slider 22,24,39 and 40, the first powder feed mouths 41, the second powder feed mouth, 42 compositions such as grade.
As Fig. 1～shown in Figure 4: as described in the bottom of casing 5 comprise lower shoe, described lower shoe is provided with motor 16, described motor 16 is positioned at the outside of casing 5; Lower shoe is provided with support roller 15 corresponding to the opposite side that reducing motor 10 is set, and casing 5 is by support roller 15 convenient moving.Be provided with into powder case directive wheel 13 in the described casing 5, advance powder case directive wheel 13 and be installed in the casing 5, advance powder case directive wheel 13 and can rotate relative to casing 5 by guide wheel shaft 12.Described go up is provided with whitewashing by whitewashing to whitewash on 6, second on 7 first groups of forming on first of symmetrical distribution in the powder bucket 4, whitewash by whitewashing to whitewash on the 8, the 4th on 9 second groups of forming on the 3rd.Whitewash 6 on described first and comprise that whitewashing 7 on first turning cylinder 17, second comprises that whitewashing 8 on second turning cylinder 18, the 3rd comprises that whitewashing 9 on the 3rd turning cylinder 19, the 4th comprises the 4th turning cylinder 20.Casing 5 corresponding biside plates are passed at the two ends of described first turning cylinder 17, second turning cylinder 18, the 3rd turning cylinder 19 and the 4th turning cylinder 20 respectively, and can rotate relative to described side plate; The axis of first turning cylinder 17, second turning cylinder 18, the 3rd turning cylinder 19 and the 4th turning cylinder 20 parallels; And some bristles are set respectively on first turning cylinder 17, second turning cylinder 18, the 3rd turning cylinder 19 and the outer peripheral face of the 4th turning cylinder 20 in last powder bucket 4 to be formed and whitewashes.
As Fig. 3～shown in Figure 4: first turning cylinder 17 is provided with driven sprocket 28 corresponding to passing casing 5 outer ends, the 4th turning cylinder 20 is provided with drive sprocket 32 corresponding to passing the below that the outer ends of casing 5 are provided with driven sprocket 29, second turning cylinder, 18 1 ends, tightener sprocket 33, described driven sprocket 28, driven sprocket 29, drive sprocket 32, tightener sprocket 33 are positioned at outside one side of casing 5, and in same plane.Drive sprocket 32, tightener sprocket 33 are installed on the casing 5 corresponding side plates by installation shaft separately, and can rotate with respect to casing 5.Second turning cylinder 18 is provided with driven sprocket 26 corresponding to pass casing 5 outer ends away from drive sprocket 32, casing 5 outer ends are provided with driven sprocket 27 to the 3rd turning cylinder 19, second turning cylinder 18 is provided with drive sprocket 25 away from the below of drive sprocket 32 1 ends corresponding to passing away from drive sprocket 32, tightener sprocket 31, described driven sprocket 26, driven sprocket 27, drive sprocket 25, tightener sprocket 31 are positioned at the outside of casing 5 away from drive sprocket 32 1 sides, and in same plane.Drive sprocket 25, tightener sprocket 31 installation shaft by separately is installed on the casing 5 on the corresponding side plate, and can rotate with respect to casing 5.The output shaft of motor 16 is provided with drive sprocket 32 and drive sprocket 25, and drive sprocket 32 and 25 coaxial connections of drive sprocket are positioned at the below of second turning cylinder 18 and are fixed on the described casing 5 corresponding side plates, and can rotate with respect to casing 5.Described drive sprocket 32 is positioned at casing 5 corresponding to the side that tightener sprocket 33 is set, and driven sprocket 28, driven sprocket 29, drive sprocket 32, tightener sprocket 33 are by chain 34 rotation that links together.Described drive sprocket 25 is positioned at the side of casing 5 away from drive sprocket 32, and drive sprocket 25, driven sprocket 26, driven sprocket 27, tightener sprocket 31 are by chain 30 rotation that links together.The utility model drives drive sprocket 25 by motor 16 and drive sprocket 32 rotates, drive sprocket drives driven sprocket by chain and rotates, whitewash 9 on the 8, the 4th and can in last powder bucket 4, rotate thereby make to whitewash on first to whitewash on 6, second to whitewash on the 7, the 3rd, to going up powder, realized the technology of anhydrous film-making through the foaming metal band 1 that advances powder case directive wheel 13.
First turning cylinder 17 and the 3rd turning cylinder 19 corresponding ends be equipped with fixing slide block 21, fixedly slide block 23, fixedly slide block 37 and fixedly the end of slide block 38, the second turning cylinders 18 and the 4th turning cylinder 20 be equipped with and be provided with movable slider 22, movable slider 24, movable slider 39 and movable slider 40.Fixedly slide block 21 on described first turning cylinder 17 and the 3rd turning cylinder 19 and fixedly slide block 23 corresponding to being positioned at the side that casing 5 is provided with drive sprocket 25, fixedly slide block 37 and fixedly slide block 38 corresponding to being positioned at the side that casing 5 is provided with drive sprocket 32; Described second turning cylinder 18 and the 4th turning cylinder 20 movable sliders 22, movable slider 24 are corresponding to being positioned at the side that casing 5 is provided with drive sprocket 25, and movable slider 39 and movable slider 40 are corresponding to being positioned at the side that casing 5 is provided with drive sprocket 32.Described movable slider 22, fixedly slide block 23, fixedly slide block 37 and movable slider 40 are between the side plate of the driven sprocket of its turning cylinder end and casing 5, described fixedly slide block 21, movable slider 24, fixedly slide block 38 and movable slider 39 are positioned at the outside that its turning cylinder passes casing 5 side plates.Be provided with on the described movable slider 24 be provided with on adjusting handle 10, the movable slider 22 be provided with on adjusting handle 11, the movable slider 40 adjusting handle 36 is set on adjusting handle 35, the movable slider 39, when rotating adjusting handle, can adjust the gap between whitewashing, and can regulate the powder amount, can be suitable for the thickness and the last powder amount of different foaming metal bands.
As shown in Figure 1: whitewash 9 on the 8, the 4th and be provided with the powder strickle corresponding to whitewashing on first to whitewash on 6, second to whitewash on the 7, the 3rd in the casing 5, last powder strickle fixes composition with the inwall of casing 5 side plates respectively and wraps up powder bucket 4 on many circular arc types structure of whitewashing on described.Last powder bucket 4 and casing 5 tops are provided with foaming metal band through port corresponding to the top of directive wheel 13, casing is provided with foaming metal band through port corresponding to a side of directive wheel 13 bottoms, casing top and corresponding last powder bucket part are provided with the first powder feed mouth 41 and the second powder feed mouth 42, the first powder feed mouth 41, the second powder feed mouth 42 lays respectively at the both sides of last powder bucket 4 foaming metal bands 1 through port of casing 5 tops and correspondence, described receiver 14 is positioned at casing 5 bottoms corresponding to last powder bucket 4 foaming metal bands 1 through port below, can be fixing with casing 5 or does not fixedly connected.Described below of going up powder bucket 4 top foaming metal band through ports is provided with the first opposite scraper 2 of edge of a knife direction and second scraper 3, and the setting height(from bottom) of described first scraper 2 is higher than the height of second scraper 3.First scraper 2 is opposite with the edge of a knife direction of second scraper 3; the edge of a knife is all towards foaming metal band 1 and be positioned at the both sides of foaming metal band 1; first scraper 2 (view 1 direction) left deviates from the straight-line trajectory of foaming metal band 1; second scraper 3 (view 1 direction) to the right deviates from the straight-line trajectory of foaming metal band 1; such first scraper 2 and second scraper 3 just produce foaming metal band 1 are formed squeezing action power; foaming metal band 1 is in motion process; by with the contacting of scraper; scraper is further wipeed the powder on the foaming metal band 1 off; make powder more even to; thereby improve the quality of product; the foaming metal band 1 and first scraper 2 and second scraper 3 contact simultaneously; formation is to the sealing process of 1 outlet of foaming metal band on the last powder bucket 4; first scraper 2 and second scraper 3 be not simultaneously at same position; make foaming metal band 1 can depart from its straight-line trajectory, avoid foaming metal band 1 to be subjected to the effect of scraper simultaneously, help protecting the foaming metal band.
As Fig. 1～shown in Figure 4: during use, powder joins in the powder bucket 4 via the first powder feed mouth 41, the second powder feed mouth 42; Foaming metal band 1 is externally under the effect of tractive force, as drawing by tablet press machine or special draw-gear, foaming metal band 1 enters via the casing inlet, enter in the powder bucket 4 by directive wheel 13, in the last powder bucket 4 by whitewashing of being symmetrically distributed by whitewashing to whitewash on 6, second on 7 first groups of forming on first, whitewash by whitewashing to whitewash on the 8, the 4th on 9 second groups of forming on the 3rd, foaming metal band 1 passes in the middle of whitewashing; On whitewash by turning cylinder and be connected with casing 5; Turning cylinder links to each other with transmission mechanism, obtains power from external motive device, drive during work to whitewash the turning cylinder rotation, on whitewash passive rotation, carry out the brush dust action; The powder that falls by powder bucket inlet on the foaming metal band 1 in the last powder process is collected in the receiver 14.After last powder post-foaming metal tape 1 was wipeed off by first scraper 2 and second scraper 3, through the outlet of last powder bucket 4, casing 5 outlets were towed to next process.The powder that falls by 4 inlets of powder bucket on the foaming metal band 1 in the last powder process is collected in the receiver 14.
Embodiment one
Adopt powder device on the secondary cell pole piece shown in Figure 1, press 2Kg/m
2Last powder surface density go up the powder film-making, and be made into ni-mh AA2000mAh battery.
Comparative example one
Adopt powder device on other secondary cell pole piece,, press 2Kg/m as the disclosed secondary battery anode powdering case of Chinese patent CN101908612A
2Last powder surface density go up the powder film-making, and press the same technology of embodiment one, be made into ni-mh AA2000mAh battery.
Contrast test
Embodiment one and comparative example one are gone up powder by same surface density requirement, behind the last powder pole piece trimming is become identical size, get 50 pole pieces as sample, last powder uniformity test and battery capacity uniformity test.Wherein the battery capacity uniformity test be battery that embodiment one and comparative example one made by 0.1C charging 16 hours, shelved the 0.2C 1.0V that discharges 15 minutes, circulate three times, capacity is as battery capacity for the third time, and statistics is 50 samples respectively, calculates the standard deviation of battery capacity.Test result such as following table:
| Project | Last powder surface density standard deviation (Kg/m 2) | The standard deviation of battery capacity (mAh) |
| Embodiment one | 0.028 | 36 |
| Comparative example one | 0.043 | 53 |
The standard deviation embodiment of the standard deviation of powder surface density and battery capacity is significantly less than comparative example on the test shows, the powder good uniformity is described on the embodiment in comparative example, more uniformity.
Claims (10)
1. powder device on the secondary cell pole piece, comprise casing, on whitewash, be installed on the last powder bucket of box house, the powder feed mouth, directive wheel, receiver, transmission mechanism, described directive wheel utilizes the directive wheel installation shaft to be installed in the casing, described upward powder bucket is positioned at the top of directive wheel, last powder bucket and casing top are provided with foaming metal band through port corresponding to the top of directive wheel, casing is provided with foaming metal band through port corresponding to a side of directive wheel bottom, casing top and corresponding last powder bucket part are provided with the first powder feed mouth and the second powder feed mouth, the first powder feed mouth, the second powder feed mouth lays respectively at the both sides of the last powder bucket foaming metal band through port of casing top and correspondence, in the last powder bucket corresponding to the top of directive wheel be provided be symmetrical distribution on whitewash, whitewash on described by the turning cylinder two ends biside plate corresponding and link to each other with casing, and can rotate with respect to casing, one end of turning cylinder passes outside the casing, outside casing, be connected with transmission mechanism, described receiver is positioned at the casing bottom corresponding to last powder bucket foaming metal band through port below, can be fixing with casing or do not fixedly connected, it is characterized in that: describedly go up many circular arc types structure that powder bucket whitewashes on described for parcel.
2. powder device on the secondary cell pole piece according to claim 1, it is characterized in that: the described powder bucket of going up comprises polylith list circular arc type liner plate, the two ends of described single circular arc type liner plate are fixed on the casing, are spliced into many circular arc types structure that parcel whitewashes on described in casing.
3. powder device on the secondary cell pole piece according to claim 2 is characterized in that: described single circular arc type liner plate is parallel to the edge that whitewashes and is provided with the snap close that prevents that powder from revealing and fixing.
4. powder device on the secondary cell pole piece according to claim 1 is characterized in that: whitewash on described into up and down two pairs or more.
5. powder device on the secondary cell pole piece according to claim 1, it is characterized in that: also be provided with fixing or moving slider, the adjusting handle identical on the casing with moving slider quantity, adjusting handle links to each other with slide block, whitewash on described by the turning cylinder two ends and link to each other with fixing or moving slider, and can relatively rotate, one end of turning cylinder passes outside the slide block, is connected with transmission mechanism outside slide block.
6. powder device on the secondary cell pole piece according to claim 5 is characterized in that: whitewash on every pair between the set slide block of turning cylinder and also be provided with spring.
7. powder device on the secondary cell pole piece according to claim 1 or 5, it is characterized in that: described transmission device is made of drive sprocket, driven sprocket and tightener sprocket, described turning cylinder passes casing or the outer end of slide block is provided with driven sprocket, same group of drive sprocket, driven sprocket and tightener sprocket are positioned at the homonymy of casing, and be in same plane, connect by chain between them, drive sprocket links to each other with the casing of driven sprocket homonymy with tightener sprocket and can rotate with respect to casing, and the relative casing of tightener sprocket can also move up and down.
8. powder device on the secondary cell pole piece according to claim 1 is characterized in that: the bottom of described casing is provided with roller.
9. powder device on the secondary cell pole piece according to claim 1 is characterized in that: described below of going up powder bucket top foaming metal band through port is provided with two opposite scrapers of edge of a knife direction.
10. powder device on the secondary cell pole piece according to claim 9 is characterized in that: the height difference of described scraper, and deviate from the straight-line trajectory of foaming metal band, the foaming metal band is formed squeezing action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200994536U CN201940351U (en) | 2011-04-07 | 2011-04-07 | Powder applying device for secondary battery pole piece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200994536U CN201940351U (en) | 2011-04-07 | 2011-04-07 | Powder applying device for secondary battery pole piece |
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| CN201940351U true CN201940351U (en) | 2011-08-24 |
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| CN2011200994536U Expired - Lifetime CN201940351U (en) | 2011-04-07 | 2011-04-07 | Powder applying device for secondary battery pole piece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784599A (en) * | 2016-12-21 | 2017-05-31 | 杜海燕 | A kind of lithium ion battery production technology pole piece brush dust equipment |
| CN107437607A (en) * | 2016-05-28 | 2017-12-05 | 深圳市量能科技有限公司 | Powder device on the pole piece of Ni-MH battery |
| CN108390089A (en) * | 2018-02-27 | 2018-08-10 | 周柳含 | A kind of battery enters carbon powder device |
| CN109534040A (en) * | 2018-11-09 | 2019-03-29 | 邱国盛 | A kind of tarred canvas curling is mechanical |
-
2011
- 2011-04-07 CN CN2011200994536U patent/CN201940351U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107437607A (en) * | 2016-05-28 | 2017-12-05 | 深圳市量能科技有限公司 | Powder device on the pole piece of Ni-MH battery |
| CN106784599A (en) * | 2016-12-21 | 2017-05-31 | 杜海燕 | A kind of lithium ion battery production technology pole piece brush dust equipment |
| CN106784599B (en) * | 2016-12-21 | 2019-08-13 | 江苏智航新能源有限公司 | A kind of lithium ion battery production technology pole piece brush dust equipment |
| CN108390089A (en) * | 2018-02-27 | 2018-08-10 | 周柳含 | A kind of battery enters carbon powder device |
| CN109534040A (en) * | 2018-11-09 | 2019-03-29 | 邱国盛 | A kind of tarred canvas curling is mechanical |
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