CN107658424B - A kind of battery pole plates coating-spreading mould and slurry production method - Google Patents
A kind of battery pole plates coating-spreading mould and slurry production method Download PDFInfo
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- CN107658424B CN107658424B CN201710861054.0A CN201710861054A CN107658424B CN 107658424 B CN107658424 B CN 107658424B CN 201710861054 A CN201710861054 A CN 201710861054A CN 107658424 B CN107658424 B CN 107658424B
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- 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
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
Abstract
The present invention provides a kind of battery pole plates coating-spreading moulds, it can be accurately adjusted the thickness and weight of metal mesh belt surface size by adjusting the clearance distance between mobile scraper and fixed scraper plate, and it connects and gap adjustment mobile scraper is divided into the first gap adjustment scraper plate that multistage can be separately adjustable, second gap adjustment scraper plate and positioning scraper plate, each first gap adjustment scraper plate, second gap adjustment scraper plate and positioning scraper plate independently can be adjusted accurately, so as to the slurry thickness and weight of more accurate sectional-regulated pole plate cross section, to guarantee slurry thickness on pole plate cross section, the uniformity of distribution of weight.The present invention also provides a kind of battery pole plates slurry production methods, this production method concise in technology, bubble and white suspension particle can be generated in the process to avoid with slurry by way of being segmented Mix and dosing, the battery pole plates conductivity produced is high, and electric conductivity is stablized.
Description
Technical field
The present invention relates to battery processing technique fields, and in particular to a kind of battery pole plates coating-spreading mould and slurry producer
Method.
Background technique
In the manufacturing field of battery, need to carry out battery pole plates the processing of wet pulp pole plate pulling-on piece, battery pole plates exist
It generally requires in pulling-on piece treatment process and is handled by corresponding mold, then enter back into high temperature furnace and carry out drying processing.It passes
The outlet internal of the battery pole plates coating-spreading mould of system is plane, and when battery pole plates pass through mold, inside is that plane can scrape
Battery pole plates surface, easily cause in this way it is in uneven thickness, and if outlet internal be hollow structure when, battery pole plates
By when be easy to happen the offset that walks, cause gravity unstable, often make in this way battery pole plates pulling force pulling-on piece process send out
Raw bending deformation or fracture, cause to scrap, influence manufacturing schedule and production cost.
Publication No.: the Chinese patent of CN205376639U discloses: a kind of coating-spreading mould, the coating-spreading mould pass through setting
Pole piece positioning tooth keeps battery pole piece thickness uniform, is not susceptible to prevent battery pole piece that positional shift occurs in pulling-on piece
Bending ensure that the performance of battery pole piece, while adjust scraper plate and the adjustment of the second pole piece thickness by the first pole piece thickness of setting
Spacing between scraper plate thereby ensures that battery pole piece weight to guarantee thickness of the battery pole piece in pulling-on piece discharging, thus
The case where reducing battery pole piece fracture, scrappage greatly reduces.But due to pole piece during slurry lateral face
Product it is wider, in the coating-spreading mould the first pole piece thickness adjustment scraper plate and the second pole piece thickness adjust scraper plate horizontally can not again into
Row segmentation fine tuning, once lateral fluctuation occurs in slurry feeding, which can not carry out lateral micro-adjustment.In addition the slurry
Do not have to carry out the neat and well spaced of slurry and directly carry out scraper using scraper plate before die feeding, since there are certain bondings between slurry
Power, therefore scraper is directly carried out in the state of loose, may cause the slurry scraped will originally should not under the drive of cohesive force
The slurry scraped is taken away, and hole occurs in the surface for thereby resulting in pole piece after scraper, causes scraper irregular.
Currently known battery pole plates preparation method is that dry method is pressed into formula or paste spread type, and both methods is essentially all hand
Work operation, the thickness uniformity and weight uniformity are all difficult to ensure that density, the porosity for being pressed into electrode are uneven.Work as electricity
When pond works, since electrode real current Density Distribution is uneven, electrode utilization rate is affected, is reduced electric under high current density
The quality conformance of the working performance in pond, product is poor, it is difficult to realize large-scale production.And dry method is pressed into the electricity of formula production
Pond pole plate flexibility is poor, and intensity is lower, is not suitable for doing Horizontal electrode.And in current battery pole plate manufacturing process, mistake with slurry
Then journey, which generallys use, directly to be stirred together by electrode material and the unified mixing of glue and carries out ingredient, in actual operating process
In, such batching mode easily generates bubble and milky suspended particulate, is easy to cause with slurry uneven and influence slurry lead
Electrically.
Publication No.: the Chinese patent of CN102832373A discloses: a kind of manufacturing method of iron electrode of alkaline storage battery,
Aquadag cream is superconducted in the nickel-clad copper band of through-hole, tin plating nickel strap, foam copper conductive base, perforation plating nickel gold using precoating
Belong to mesh belt, nickel plating steel mesh, two-sided burr metal mesh belt, cut seine, oblique pull make on the net substrate can flow line production, simple process,
High production efficiency improves the utilization rate of production efficiency and iron, reduces costs；And aquadag cream is superconducted in precoating
In the nickel-clad copper band of through-hole, tin plating nickel strap, foam copper conductive base, perforation nickel-plated metal mesh belt, nickel plating steel mesh, two-sided burr gold
Belong to mesh belt, cut that seine, oblique pull is online and ultra tiny electrically conductive graphite or acetylene black, nickel hydroxide, copper oxide or copper powder, vulcanization is added
CMC solution of the iron to mole percent concentration 1~5%, the HPMC solution of mole percent concentration 1~5%, mole percent concentration 60%
PTFE suspended particulate and mole percent concentration 1~5% PE solution one or more mixed solutions in can greatly improve
The electric conductivity of iron electrode, superior electrical property.But this method is only applicable to the manufacture of iron electrode of alkaline storage battery, and due to
With slurry in the process using directly then stirring electrode material and the unified mixing of glue together and carrying out ingredient, in blending process easily
Generate bubble and milky suspended particulate.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of battery pole plates coating-spreading mould, this coating-spreading mould is by gap
It adjusts mobile scraper and is divided into the gap adjustment scraper plate that multistage can be separately adjustable, sectional-regulated pole plate cross section that can be more accurate
Slurry thickness and weight, and lead to before entering scraper plate scraper two symmetrical guide reels to two surface sizes of pole plate into
Row is neat and well spaced, prevents from causing polar board surface hole occur due to slurry viscosity when scraper.The present invention also provides one kind to make simultaneously
With the battery pole plates slurry production method of this coating-spreading mould, this production method concise in technology, by way of being segmented Mix and dosing
Bubble and white suspension particle can be generated in the process to avoid with slurry, the battery pole plates conductivity produced is high, electric conductivity
Stablize.
To realize above-mentioned technical proposal, a kind of battery pole plates coating-spreading mould provided by the invention, comprising: fixed plate, it is described
The center of fixed plate offers rectangular through-hole；Two are mounted in parallel in the first mounting base of fixed plate upper surface and the second installation
Seat, retains certain gap between first mounting base and the second mounting base；Two are mounted in parallel in fixed plate lower surface
Guide reel, the installation pedestal of one of guide reel can carry out fine position, and two roller guide surfaces coat soft rubber；Peace
Fixation scraper plate in the first mounting base, the rear end of the fixed scraper plate is provided with the first push plate, after first push plate
Side is mounted side by side that there are two for adjusting the micrometer caliper of fixed scraper plate installation site；It is mounted on the gap in the second mounting base
Mobile scraper is adjusted, keeps certain gap between the gap adjustment mobile scraper and fixed scraper plate；The gap adjustment is moved
The rear end of dynamic scraper plate is provided with the second push plate, has been mounted side by side on rear side of second push plate multiple for adjusting gap adjustment shifting
The micrometer caliper of dynamic scraper plate installation site；The gap adjustment mobile scraper includes the first gap adjustment scraper plate, the second gap
Scraper plate and positioning scraper plate are adjusted, the second gap adjustment scraper plate is mounted on the center of the second mounting base, two the first gap tune
Section scraper plate is symmetrically mounted on the left and right ends of the second gap adjustment scraper plate, and two positioning scraper plates are separately mounted to two the first gaps
In the external end edge for adjusting scraper plate, the second gap adjustment scraper plate and two the first gap adjustment scraper plates and two positioning are scraped
The rear end of plate is separately installed with independent micrometer caliper.
In the above-mentioned technical solutions, this mould for pulling paste is passed through for making the metal mesh belt of the battery cathode strip from stock tank
Tool, the metal mesh belt of surface strip are passed through between two guide reels in this coating-spreading mould first, and guide reel is to metal mesh belt
The slurry on two surfaces carry out neat and well spaced compacting, and can be by adjusting the position of guide reel installation pedestal between guide reel
Pressure be adjusted, preferably to adjust the slurry tightness on metal mesh belt surface, thus during avoiding subsequent scraper, because
Originally the slurry that should not be scraped is taken away and the surface of metal mesh belt after scraper is caused slurry hole occur by the cohesive force between slurry
The situation that scraper is irregular is caused in hole.The square through hole that metal mesh belt after neat and well spaced is opened up from fixed plate center is passed through and is gone forward side by side
The gap entered between gap adjustment mobile scraper and fixed scraper plate passes through, due between gap adjustment mobile scraper and fixed scraper plate
Distance can be accurately adjusted, therefore, by accurately adjusting the gap between gap adjustment mobile scraper and fixed scraper plate
Spacing can be accurately adjusted the thickness and weight of metal mesh belt surface size, to improve the quality of production of battery pole plates.Simultaneously
Since gap adjustment mobile scraper being divided between the first gap adjustment scraper plate, second that multistage can be separately adjustable in this coating-spreading mould
Gap adjusts scraper plate and positioning scraper plate, and each first gap adjustment scraper plate, the second gap adjustment scraper plate and positioning scraper plate are equal
It independently can accurately adjust, so as to the slurry thickness and weight of more accurate sectional-regulated pole plate cross section, to guarantee
Slurry on pole plate cross section thickness, distribution of weight uniformity.
Preferably, the surface of the micrometer caliper is carved with ranging scale, is convenient for the more intuitive adjusting of operator
Spacing between gap adjustment scraper plate and fixed scraper plate.
Preferably, first mounting base and the second installation seating face offer installation long hole, the first mounting base and the
Two mounting bases are fixed in fixed plate by the bolt through long hole, are pacified by adjustable first mounting base of long hole and second
The spacing between seat is filled, and then the gap between mobile scraper and fixed scraper plate can be adjusted by a relatively large margin.
The present invention also provides a kind of battery pole plates slurry production methods using above-mentioned coating-spreading mould, it is characterised in that tool
Body includes the following steps:
S1, glue configuration:
It S11, is that 39.56:0.44 weighs sodium carboxymethylcellulose dry powder and deionized water according to weight ratio, by carboxymethyl fibre
It ties up plain sodium dry powder and is added and is stirred evenly into deionized water, be made that MC001 glue is spare, wherein the effect of MC001 glue is to mention
Adhesive force of the high subsequent conductive raw material on metal mesh belt, film forming ability of the strengthening slurry on metal mesh belt in drying process；
S11, it is that 39:1 weighs Sodium Polyacrylate dry powder and deionized water according to weight ratio, Sodium Polyacrylate dry powder is added
It is stirred evenly into deionized water, is made that MD001 glue is spare, wherein the effect of MD001 glue is to improve subsequent conductive raw material
Adhesive force on metal mesh belt, at the same conductive material during bonding will not because of glue presence and weaken conduction
Property；
S2, slurry preparation:
S21, by weight percentage for 10~15%:8~10%:8~10%:1%:180~220%:1~5% successively
Weigh MC001 glue, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber；
S22, the pulping process of slurry compounding machine is arranged to six sections, and sets the mashing revolving speed and beating time of slurry compounding machine,
In, set first segment revolving speed as 150HZ, beating time 10min；Second segment revolving speed is 180HZ, beating time 20min；The
Three sections of revolving speeds are 200HZ, beating time 25min；4th section of revolving speed is 250HZ, beating time 70min；5th section of revolving speed
For 200HZ, beating time 12min；6th section is 0；
S23, deionized water, MC001 glue and MD001 glue are sequentially added according to the ratio weighed in step S21, matching
Pulp grinder upper cover cycle covers, and presses start button and start to work to first segment and terminate；
S24, slurry compounding machine upper cover is opened, nickel powder is added according to the ratio weighed in step S21, then screwed on upper cover and start the
Two sections of work open upper cover after working to second segment and the material scraper of bucket wall are entered bottom；
S25, by the material scraper on bucket wall it is clean after, start weighted alloyed powder is slowly added from material mouth, to alloyed powder
It adds in back spin and to open upper cover after upper cover stirring 5-10min again the material scraper on bucket wall and impeller entered into bottom until stirring is to the
Four sections of end；
S26, after the 4th section stirring terminate after, open slurry compounding machine upper cover simultaneously according to weighing ratio be added butadiene-styrene rubber back spin
Upper cover starts the 5th section of stirring work, checks whether butadiene-styrene rubber and slurry mix sufficiently after working to the 5th section,
Stop stirring if pulp surface milky does not occur, continue to stir if milky occurs in pulp surface, until milky white
Decoloration；
S27, configured slurry is delivered to it is spare in the grout hopper below coating-spreading mould；
With slurry is the core procedure in pole plate production process, and the formula of slurry and mixed uniformity are all to influence pole plate to lead
The key of electric rate and conductive stability, due in actual production process, if using by sodium carboxymethylcellulose dry powder, poly-
Sodium acrylate dry powder, deionized water, nickel powder, alloyed powder, butadiene-styrene rubber are directly stirred, and are found during mixing continuous
There are bubble and milky suspended particulate to generate, and can not be disappeared always by stirring, bubble and milky suspended particulate are deposited
It will affect the uniformity of subsequent slurry operation and influencing the electric conductivity of slurry, it is subsequent to need artificial de-bubble and remove milky
Suspended particulate；In order to solve this problem, the present invention is in such a way that segmentation feeds intake and is segmented stirring, first by carboxymethyl cellulose
Plain sodium dry powder and deionized water are configured to MC001 glue, and then Sodium Polyacrylate dry powder and deionized water are configured to MD001 glue
Water, and store respectively, MC001 glue and MD001 glue are subsequently configured to mixture glue, finally in different mixing speeds
Under sequentially add nickel powder, alloyed powder and butadiene-styrene rubber, and each section of strict control of mixing time, in this way, can be
It realizes the effect for eliminating bubble and milky suspended particulate during with slurry, and then the uniform of subsequent slurry operation can be improved
The electric conductivity of property and slurry；
S3, pulling-on piece: will be run through using metal mesh belt conveyer with a thickness of the metal mesh belt of 0.01-0.8mm and surface aperture
The grout hopper of slurry is placed, then surface has been coated slurry by metal mesh belt good slurry of dual coating during passing through grout hopper
The metal mesh belt of material passes through coating-spreading mould as described in claim 1, by gap adjustment mobile scraper on coating-spreading mould and admittedly
Determine the neat and well spaced thickness to process stipulation of slurry that the cooperation between scraper plate coats metal mesh belt surface, during pulling-on piece, slurry
Uniformity and thickness be influence pole plate finished product final conductivity and conductive stability key factor, if using common drawing
Slurry mold generally will appear the case where metal mesh belt transverse direction slurry is unevenly distributed appearance, and the mould for pulling paste provided through the invention
Tool not only can be with smooth slurry face, but also the slurry of the sectional-regulated pole plate cross section on metal mesh belt surface can be adjusted with transversal sectional
Expect thickness and weight, thus guarantee slurry on pole plate cross section thickness, distribution of weight uniformity, and then improve leading for pole plate
Electric rate and conductive stability；
S4, scraping: the micrometer caliper by adjusting gap adjustment mobile scraper on coating-spreading mould accurately regulates gap
Distance of the mobile scraper apart from metal mesh belt surface is adjusted, two surfaces of metal mesh belt are controlled by gap adjustment mobile scraper
Starching value, the starching ratio controlled between metal mesh belt scraping face (the corresponding face of gap adjustment mobile scraper) and non-scraping face are
45:55, the slurry that scraping is got off are fed directly to re-use in grout hopper；It is found in subsequent detection process, when pole plate is scraped
When starching ratio between side face and non-scraping face is 45:55, the optimal stability of pole plate conduction, and in traditional battery pole
In plate slurry production method, usually first dries and reuse edging device progress scraping afterwards, with the starching on strict control pole plate
Than, but if the slurry that scraping can make scraping get off again after first drying not can be used directly in this production technology, can make
Wasted at slurry, and first dry after again scraping also be easy polar board surface is damaged, and in the present invention by scraping operation mention
It is preceding just to overcome above-mentioned difficulties, the starching ratio on easily controllable pole plate two sides before to baking step, and reduce and scraping
To the injury of polar board surface in the operating process of side, and the slurry that scraping can be got off directly applies in the production of this technique；
S5, drying: the metal mesh belt Jing Guo scraping being delivered in drying box to be dried pole plate be made, the drying box
Including four temperature regions, in the past after successively are as follows: infrared quick first dry section that temperature is 140-150 degrees Celsius, temperature
For 152-156 degrees Celsius of the second dry section of hot wind high temperature, temperature be 125-135 degrees Celsius hot wind low temperature third dry section with
And the 4th dry section of hot wind constant temperature that temperature is 70-75 degrees Celsius；Why slurry point different temperatures region heat solid
It changes, is tested according to the film forming characteristics of glue and the conductive stability of slurry, the dry film forming for having glue of subregion solidifies,
It is found in actual drying process, if subregion is not dry, may cause slurry and warp, will lead to slurry when serious from metal
Belt surface falls off, and temperature when heated-air drying is unsuitable excessively high, otherwise will appear the cooked-on phenomenon of slurry；
S6, tabletting: dual lustre surfaces will be carried out by dry pole plate using double roller optical pressure machine, the purpose of press polish is to control
The thickness of pole plate processed, and make the transverse gage of pole plate more uniform, and the surface gloss of pole plate can be enhanced；
S7, it cuts out sheet: the metal mesh belt Jing Guo tabletting being subjected to slit shearing using guillotine；
S8, softening: the metal mesh belt sheet cut is softened using two concatenated tenderizing machines, by step S7
Metal mesh belt sheet after cutting is flowed into First tenderizing machine along its length first and is softened, and is then rotated by 90 ° rear edge
Width direction is flowed into second tenderizing machine and is softened, to enhance the horizontal and vertical flexibility of pole plate；
S9, small pieces are cut out: established practice will be cut according to product requirement by the metal mesh belt sheet of softening using fixed width guillotine
Scale cun, and save.
Preferably, it in the step S2, is successively weighed for 12%:9%:8%:1%:200%:2% by weight percentage
MC001 glue, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber, it is demonstrated experimentally that when using aforementioned proportion into
When row is with slurry, the conductivity of pole plate finished product is best.
Preferably, in the step S2, alloyed powder be the JH10-GB that provides of Xiamen Tungsten Industry Co., Ltd or
JH10-5 type alloyed powder.
Preferably, in the step S4, the temperature of infrared quick first dry section is 145 degrees Celsius, hot wind high temperature second
The temperature of dry section is 155 degrees Celsius, the temperature of hot wind low temperature third dry section is 130 degrees Celsius, and hot wind constant temperature the 4th is dry
The temperature in area is 75 degrees Celsius.
Preferably, in the step S4, the dosing speed of alloyed powder is 8-10kg/min, and the speed of alloyed powder charging is unsuitable
It is too fast, it otherwise be easy to cause alloyed powder stirring uneven, particle rich easily occurs and generate the phenomenon that sinking to the bottom, be unfavorable for subsequent
The speed of stirring operation, alloyed powder charging also should not be excessively slow, otherwise can spin out production process, in practice it has proved that, when adding for alloyed powder
When medicine speed is 8-10kg/min, is both not in sink to the bottom phenomenon, production process will not be spun out.
Preferably, the metal mesh belt is the stainless steel band or copper strips of surface aperture.
Preferably, the deionized water conductivity control is in 0.8 μ S/cm hereinafter, to reduce the substance pair in deionized water
The influence of slurry conductivity.
The beneficial effect of a kind of battery pole plates coating-spreading mould provided by the invention and slurry production method is:
1, this battery pole plates coating-spreading mould structure is simple, can be with the gap between flexible modulation mobile scraper and fixed scraper plate
Distance, when the metal mesh belt of surface strip is passed through between two guide reels in this coating-spreading mould, guide reel is to metal mesh belt
Two surfaces carry out neat and well spaced, then can be accurately adjusted gold by adjusting the clearance distance between mobile scraper and fixed scraper plate
Belong to the thickness and weight of belt surface slurry, to improve the quality of production of battery pole plates, and gap adjustment mobile scraper is divided
At multistage can be separately adjustable the first gap adjustment scraper plate, the second gap adjustment scraper plate and positioning scraper plate, and each first
Gap adjustment scraper plate, the second gap adjustment scraper plate and positioning scraper plate independently can be adjusted accurately, so as to more accurate point
Section adjust pole plate cross section slurry thickness and weight, thus guarantee slurry on pole plate cross section thickness, distribution of weight it is equal
Even property；
2, this battery pole plates coating-spreading mould leads to two symmetrical guide reels to two tables of pole plate before entering scraper plate scraper
The progress of starch adhesive material is neat and well spaced, and can be adjusted by adjusting the position of guide reel installation pedestal to the pressure between guide reel
Section, preferably to adjust the slurry tightness on metal mesh belt surface, thus during avoiding subsequent scraper, because between slurry
Originally the slurry that should not be scraped is taken away and the surface of metal mesh belt after scraper is caused slurry hole occur by cohesive force, causes scraper not
Even situation；
3, battery pole plates slurry production method concise in technology provided by the invention has by configuring specific glue and slurry
There are the characteristics such as filming performance is good, conductivity is high, electric conductivity is stable, and can be to avoid matching by way of being segmented Mix and dosing
Bubble and white suspension particle are generated during slurry, improve slurry uniformity height, slurry can be improved in gold by stage drying
Belong to mesh belt at film uniformity and conductivity uniformity, and by tabletting and softening operation, available thickness uniformly, glossiness
High quality battery pole plates finished product high, flexibility is good；
4 and battery pole plates slurry production method technique provided by the invention by scraping operation advance to baking step before,
Relative to the first dry scraping again in traditional handicraft, the starching ratio on easily controllable pole plate two sides, and reduces and operated in scraping
In the process to the injury of polar board surface, and the slurry that scraping can be got off directly applies in the production of this technique.
Detailed description of the invention
Fig. 1 is the stereochemical structure top view of coating-spreading mould in the present invention.
Fig. 2 is the stereochemical structure bottom view of coating-spreading mould in the present invention.
Fig. 3 is the scheme of installation that scraper plate and gap adjustment scraper plate are fixed in the present invention.
Fig. 4 is the scheme of installation that intermediate gap of the present invention adjusts scraper plate.
Fig. 5 is the scheme of installation that scraper plate is fixed in the present invention.
Fig. 6 is the flow diagram of slurry production method in the present invention.
In figure: 1, fixed plate；2, the first mounting base；3, the second mounting base；4, the first push plate；5, fixed scraper plate；6, second
Push plate；7, the first gap adjustment scraper plate；8, the second gap adjustment scraper plate；9, scraper plate is positioned；10, micrometer caliper；11, it guides
Roller.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Ability
Domain ordinary person every other embodiment obtained without making creative work, belongs to protection of the invention
Range.
A kind of embodiment 1: battery pole plates coating-spreading mould.
Referring to figs. 1 to shown in Fig. 5, a kind of battery pole plates coating-spreading mould, comprising: fixed plate 1, the center of the fixed plate 1
Offer rectangular through-hole；Two are mounted in parallel the first mounting base 2 and the second mounting base 3 in 1 upper surface of fixed plate, and described
Retain certain gap between one mounting base 2 and the second mounting base 3, and the first mounting base 2 and 3 surface of the second mounting base are opened
Equipped with installation long hole, the first mounting base 2 and the second mounting base 3 are fixed in fixed plate 1 by the bolt through long hole, are passed through
Spacing between adjustable first mounting base 2 of long hole and the second mounting base 3, and then can adjusting mobile scraper by a relatively large margin
With the gap between fixed scraper plate 5；Two are mounted in parallel the guide reel 11 in 1 lower surface of fixed plate, one of guide reel 11
Installation pedestal can carry out fine position, two 11 surfaces of guide reel coat soft rubber, pass through adjust guide reel 11 install
The pressure between guide reel 11 is adjusted in the position of pedestal, preferably to adjust the slurry tightness on metal mesh belt surface,
To during avoiding subsequent scraper, because the cohesive force between slurry takes away the slurry that originally should not be scraped and after causing scraper
There is slurry hole in the surface of metal mesh belt, causes the situation that scraper is irregular；The fixation scraper plate 5 being mounted in the first mounting base 2,
The rear end of the fixed scraper plate 5 is provided with the first push plate 4, and the rear side of first push plate 4 is mounted side by side that there are two for adjusting
The micrometer caliper 10 of fixed 5 installation site of scraper plate；The gap adjustment mobile scraper being mounted in the second mounting base 3, between described
Gap adjusts and keeps certain gap between mobile scraper and fixed scraper plate 5, and the rear end of gap adjustment mobile scraper is provided with second
Push plate 6, the gap adjustment mobile scraper include the first gap adjustment scraper plate 7, the second gap adjustment scraper plate 8 and positioning scraper plate 9,
The second gap adjustment scraper plate 8 is mounted on the center of the second mounting base 3, and two the first gap adjustment scraper plates 7 are symmetrically mounted on
The left and right ends of second gap adjustment scraper plate 8, two positioning scraper plates 9 are separately mounted to the outer of two the first gap adjustment scraper plates 7
In portion's end edge, the rear end of the second gap adjustment scraper plate 8 and two the first gap adjustment scraper plates 7 is separately installed with independent spiral shell
Mircrometer gauge 10 is revolved, positioning scraper plate 9 is positioned for end edge, and gap adjustment mobile scraper is divided into three sections of gaps that can be separately adjustable
Scraper plate is adjusted, and the gap adjustment scraper plate in each segmentation can be finely adjusted by independent micrometer caliper 10, so as to
The uniformity of more accurate control slurry, the slurry thickness and weight of more accurate sectional-regulated pole plate cross section, thus
Guarantee slurry on pole plate cross section thickness, distribution of weight uniformity.
Workflow of the invention is: passing through this mould for pulling paste for making the metal mesh belt of the battery cathode strip from stock tank
Tool, the metal mesh belt of surface strip are passed through between two guide reels 11 in this coating-spreading mould first, and guide reel 11 is to metal
Two surfaces progress of mesh belt is neat and well spaced, and the square through hole that the metal mesh belt after neat and well spaced is opened up from 1 center of fixed plate passes through simultaneously
Gap between gap adjustment mobile scraper and fixed scraper plate 5, due between gap adjustment mobile scraper and fixed scraper plate 5
Distance can be adjusted with accurate segmentation, therefore, by accurately adjusting between gap adjustment mobile scraper and fixed scraper plate 5
Gap spacing can be accurately adjusted the thickness and weight of metal mesh belt surface size, to improve the quality of production of battery pole plates.
In the present embodiment, the surface of the micrometer caliper 10 is carved with ranging scale, more intuitive convenient for operator
Adjusting gap adjustment scraper plate and fixed scraper plate 5 between spacing.
A kind of embodiment 2: battery pole plates slurry production method.
Referring to shown in Fig. 6, a kind of battery pole plates slurry production method specifically comprises the following steps:
S1, glue configuration:
It S11, is that 39.56:0.44 weighs sodium carboxymethylcellulose dry powder and deionized water, deionization water power according to weight ratio
Conductance control is in 0.8 μ S/cm hereinafter, to reduce influence of the substance in deionized water to slurry conductivity, into stirring charging basket
The water of half amount is added, sodium carboxymethylcellulose dry powder is then added, remaining water is then poured on sodium carboxymethylcellulose and is done
Above powder, dry powder on bucket wall is scraped into inside water, sets 28HZ for blender speed-frequency, booting will stir after stirring half an hour
Spice bucket is opened, and surrounding top in bucket and the agglomerating solution on stirring rod and dry powder are scraped to bucket, blender is closed, then opens
Machine opens stirring charging basket after stirring half an hour, and surrounding top in bucket and the agglomerating solution on stirring rod and dry powder are scraped to bucket
It is interior, blender is closed, is then stirred for 4 hours terminating, mixing time needs to stop stirring after, prevents to continue to stir,
Stirring finishes, and opening elevator rises to stirring head right above stirring charging basket, and the glue adhered on stirring rod and bucket wall is scraped
Entering in bucket, detection dry powder must be completely dissolved uniformly, and it is not allow for agglomerating particle, dry powder or pockets of particle and is adhered to a barrel wall,
The slurry prepared in charging basket will be stirred to be packed into dedicated stainless steel barrel, identified title, formula and seal guarantor after preparing the date
It deposits；Wherein the effect of MC001 glue is the adhesive force for improving subsequent conductive raw material on metal mesh belt, enhances slurry in drying process
Expect the film forming ability on metal mesh belt；
S12, according to weight ratio be 39:1 weigh Sodium Polyacrylate dry powder and deionized water, then according to step S11 phase
With mode Sodium Polyacrylate dry powder is added is stirred evenly into deionized water, it is spare to be made MD001 glue, wherein MD001
The effect of glue be improve adhesive force of the subsequent conductive raw material on metal mesh belt, while conductive material during bonding not
Electric conductivity can be weakened because of the presence of glue；
S2, slurry preparation:
It S21, is by weight percentage that 12%:9%:8%:1%:200%:2% successively weighs MC001 glue, MD001 glue
Water, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber, wherein alloyed powder is the JH10- that Xiamen Tungsten Industry Co., Ltd provides
GB type alloyed powder；
S22, the pulping process of slurry compounding machine is arranged to six sections, and sets the mashing revolving speed and beating time of slurry compounding machine,
In, set first segment revolving speed as 150HZ, beating time 10min；Second segment revolving speed is 180HZ, beating time 20min；The
Three sections of revolving speeds are 200HZ, beating time 25min；4th section of revolving speed is 250HZ, beating time 70min；5th section of revolving speed
For 200HZ, beating time 12min；6th section is 0, is adjusted to 100HZ if slurry is in the case where failing to timely use
It is beaten 60min at a slow speed；
S23, deionized water, MC001 glue and MD001 glue are sequentially added according to the ratio weighed in step S21, matching
Pulp grinder upper cover cycle covers, and presses start button and start to work to first segment and terminate；
S24, slurry compounding machine upper cover is opened, nickel powder is added according to the ratio weighed in step S21, then screwed on upper cover and start the
Two sections of work open upper cover after working to second segment and the material scraper of bucket wall are entered bottom；
S25, by the material scraper on bucket wall it is clean after, start weighted alloyed powder is slowly added from material mouth, to alloyed powder
It adds in back spin and to open upper cover after upper cover stirring 5-10min again the material scraper on bucket wall and impeller entered into bottom until stirring is to the
Four sections of end, wherein the dosing speed of alloyed powder is 8kg/min, most fastly not above 10kg/min, the speed of alloyed powder charging
It is unsuitable too fast, it otherwise be easy to cause alloyed powder stirring uneven, particle rich easily occurs and generate the phenomenon that sinking to the bottom, after being unfavorable for
The speed of continuous stirring operation, alloyed powder charging also should not be excessively slow, otherwise can spin out production process, in practice it has proved that, work as alloyed powder
Dosing speed when being 8-10kg/min, be both not in sink to the bottom phenomenon, will not spin out production process, and it is with slurry before want
Chilled water system is opened, keeps slurry preparing bucket outside wall temperature at 28 DEG C hereinafter, such as (winter) can incite somebody to action in the case where temperature is subcooled
The temperature of cooling water is suitably adjusted to 14-16 DEG C, to guarantee cannot there is fever phenomenon in adduction bronze；
S26, after the 4th section stirring terminate after, open slurry compounding machine upper cover simultaneously according to weighing ratio be added butadiene-styrene rubber back spin
Upper cover starts the 5th section of stirring work, checks whether butadiene-styrene rubber and slurry mix sufficiently after working to the 5th section,
Stop stirring if pulp surface milky does not occur, continue to stir if milky occurs in pulp surface, until milky white
Decoloration measures the viscosity and density of slurry in 15min after the 5th section of stirring, viscosity, density meet cathode technique with slurry
Lower process is waited after card standard turns material, turn the pulp particle solidified cannot to be mixed into during material accepted stock it
In；
S27, configured slurry is delivered to it is spare in the grout hopper below coating-spreading mould；
With slurry is the core procedure in pole plate production process, and the formula of slurry and mixed uniformity are all to influence pole plate to lead
The key of electric rate and conductive stability, due in actual production process, if using by sodium carboxymethylcellulose dry powder, poly-
Sodium acrylate dry powder, deionized water, nickel powder, alloyed powder, butadiene-styrene rubber are directly stirred, and are found during mixing continuous
There are bubble and milky suspended particulate to generate, and can not be disappeared always by stirring, bubble and milky suspended particulate are deposited
It will affect the uniformity of subsequent slurry operation and influencing the electric conductivity of slurry, it is subsequent to need artificial de-bubble and remove milky
Suspended particulate；In order to solve this problem, the present invention is in such a way that segmentation feeds intake and is segmented stirring, first by carboxymethyl cellulose
Plain sodium dry powder and deionized water are configured to MC001 glue, and then Sodium Polyacrylate dry powder and deionized water are configured to MD001 glue
Water, and store respectively, MC001 glue and MD001 glue are subsequently configured to mixture glue, finally in different mixing speeds
Under sequentially add nickel powder, alloyed powder and butadiene-styrene rubber, and each section of strict control of mixing time, in this way, can be
It realizes the effect for eliminating bubble and milky suspended particulate during with slurry, and then the uniform of subsequent slurry operation can be improved
The electric conductivity of property and slurry；
S3, pulling-on piece: will be with a thickness of 0.045mm and the steel band of surface aperture is through placing slurry using metal mesh belt conveyer
Steel band is passed through guide wheel by the grout hopper of material, and the middle position steel band for being maintained at guide wheel is two-sided during passing through grout hopper
Slurry has been coated, the steel band that surface has coated slurry is then passed through into coating-spreading mould, it is mobile by gap adjustment on coating-spreading mould
The neat and well spaced thickness to process stipulation of slurry that cooperation between scraper plate and fixed scraper plate coats steel strip surface；During pulling-on piece,
The uniformity and thickness of slurry are to influence the key factor of pole plate finished product final conductivity and conductive stability, if using common
Coating-spreading mould generally will appear the case where steel band transverse direction slurry is unevenly distributed appearance, and the mould for pulling paste provided through the invention
Tool not only can be with smooth slurry face, but also the slurry for the sectional-regulated pole plate cross section that steel strip surface can be adjusted with transversal sectional is thick
Degree and weight, thus guarantee slurry on pole plate cross section thickness, distribution of weight uniformity, and then improve pole plate conductivity
And conductive stability；
S4, scraping: the micrometer caliper by adjusting gap adjustment mobile scraper on coating-spreading mould accurately regulates gap
Distance of the mobile scraper apart from steel strip surface is adjusted, the starching value on two surfaces of steel band is controlled by gap adjustment mobile scraper,
The starching ratio controlled between steel band scraping face and non-scraping face is 45:55, and the slurry that scraping is got off is fed directly in grout hopper
It re-uses, is found in subsequent detection process, when the starching ratio between pole plate scraping face and non-scraping face is 45:55
When, the optimal stability of pole plate conduction；
S5, drying: the metal mesh belt Jing Guo slurry being delivered in drying box to be dried pole plate be made, the drying box
Including four temperature regions, in the past after successively are as follows: infrared quick first dry section that temperature is 145 degrees Celsius, temperature 155
Degree Celsius the second dry section of hot wind high temperature, the hot wind low temperature third dry section that temperature is 130 degrees Celsius and temperature be 75 to take the photograph
Why slurry point different temperatures region is heating and curing, is according to glue by the 4th dry section of hot wind constant temperature of family name's degree
What the conductive stability of film forming characteristics and slurry was tested, the dry film forming for having glue of subregion solidifies, actual dried
It is found in journey, if subregion is not dry, may cause slurry and warp, will lead to slurry when serious and fall off from metal mesh belt surface,
And temperature when heated-air drying is unsuitable excessively high, otherwise will appear the cooked-on phenomenon of slurry；
S6, tabletting: dual lustre surfaces will be carried out by dry pole plate using double roller optical pressure machine, the purpose of press polish is to control
The thickness of pole plate processed, and make the transverse gage of pole plate more uniform, and the surface gloss of pole plate can be enhanced；
S7, it cuts out sheet: the metal mesh belt Jing Guo tabletting being subjected to slit shearing using guillotine；
S8, softening: the metal mesh belt sheet cut is softened using two concatenated tenderizing machines, by step S7
Metal mesh belt sheet after cutting is flowed into First tenderizing machine along its length first and is softened, and is then rotated by 90 ° rear edge
Width direction is flowed into second tenderizing machine and is softened, to enhance the horizontal and vertical flexibility of pole plate；
S9, small pieces are cut out: established practice will be cut according to product requirement by the metal mesh belt sheet of softening using fixed width guillotine
Scale cun, and save.
A kind of embodiment 3: battery pole plates slurry production method.
S2, slurry configuration: MC001 glue is successively weighed for 10%:8%:8%:1%:180%:1% by weight percentage
Water, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber；Other steps is same as Example 2.
A kind of embodiment 4: battery pole plates slurry production method.
S2, slurry configuration: MC001 glue is successively weighed for 15%:10%:10%:1%:220%:5% by weight percentage
Water, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber；Other steps is same as Example 2.
A kind of embodiment 5: battery pole plates slurry production method.
S2, slurry configuration: MC001 glue is successively weighed for 12%:9%:10%:1%:200%:4% by weight percentage
Water, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber；Other steps is same as Example 2.
Comparative example 1, difference: the commercially available QIS-3033 pole plate composite glue of Guangzhou Yongfeng Chemical Co., Ltd., Thailand is used
Instead of the MC001 glue and MD001 glue in embodiment 2, other steps is same as Example 2.
Comparative example 2, difference: taking and at the uniform velocity stir during with slurry, then sequentially added in 5min deionized water,
Then MC001 glue, MD001 glue, nickel powder, alloyed powder and butadiene-styrene rubber stir and obtain within 4 hours slurry, other steps with
Embodiment 2 is identical.
Comparative example 3, difference: in step S4, the dry samming for being all made of 130 degrees Celsius in drying box internal zone dividing is dry,
Other steps are identical as embodiment.
Product test:
Test material: prepared by embodiment 2, embodiment 3, embodiment 4, experimental example 5, comparative example 1, comparative example 2 and comparative example 3
Battery pole plates finished product.
Test method: prepared by embodiment 2, embodiment 3, embodiment 4, experimental example 5, comparative example 1, comparative example 2 and comparative example 3
Battery pole plates finished product adherence force, take off film integrality and conductivity.
2.1, it the measurement of adherence force: is automatically determined in different embodiments using pad pasting adherency force tester by metal mesh belt list
Power when conductive pad pasting in plane product is taken off, unit kN.
2.2, it takes off the measurement of film integrality (FI): being indicated with film percentage of head rice, refer to most complete that block film weight and institute after taking off film
There is the ratio of film weight, is calculated as follows: FI=m1/(m1=m2) × 100%, in formula, FI is film percentage of head rice (%), m1It is most complete
That whole block film weight, m2For small block film weight.
2.3, the conductivity of battery pole plates finished product in different embodiments electric conductivity measuring: is measured by exchanging resistance method.
Test result:
Test result is as shown in table 1.
1 product test data of table
| Group | Adherence force (kN) | Take off film integrality (%) | Conductivity (mS/cm) |
| Embodiment 2 | 5.32 | 99.9 | 267 |
| Embodiment 3 | 4.11 | 94.1 | 212 |
| Embodiment 4 | 5.31 | 98.2 | 264 |
| Embodiment 5 | 5.11 | 98.1 | 255 |
| Comparative example 1 | 1.22 | 87.3 | 199 |
| Comparative example 2 | 3.23 | 85.2 | 128 |
| Comparative example 3 | 0.65 | 77.3 | 107 |
Data in comparative example 2, embodiment 3, embodiment 4, embodiment 5 and comparative example 1 are it is found that embodiment 2, implementation
Example 3, embodiment 4 and adherence force in embodiment 5 take off film integrality and conductivity and are better than comparative example 1, illustrate to pass through MC001
Mutual cooperation between glue and MD001 glue can effectively improve slurry on metal mesh belt surface relative to commercially available glue
The uniformity of adhesive force and film forming, so as to improve metal mesh belt surface conductivity.
Comparative example 2, embodiment 3, embodiment 4, the data in embodiment 5 can be seen that MC001 glue, MD001 glue
Weight ratio between water, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber to the adherence force of glue, take off film integrality with one
Fixed influence, comparison comparative example 2, embodiment 3, the data in embodiment 4 can be seen that MC001 glue and MD001 glue
Specific gravity to the adherence force of subsequent pole plate spreading mass and take off film integrality and be affected, the specific gravity of alloyed powder has pole plate conductivity
Larger impact, alloyed powder additional amount is more, even if can also be improved the conductivity of pole plate under conditions of filming performance is slightly worse,
And when can be seen that by data using proportion in embodiment 2, the adherence force of glue takes off film integrality and conductivity is equal
Reach best.
If the data in comparative example 2 and comparative example 2 can be seen that using by each component and meanwhile be added then it is even
Speed stirring does not implement subsection charging and segmentation stirring, can seriously affect the adhesion strength and film forming of subsequent film forming, once film forming is equal
Even property is deteriorated, and the attachment of subsequent slurry is easy to appear the conductivity that unevenly will have a direct impact on pole plate and conductive stability, and
And in the actual operation process, if in such a way that each component is added simultaneously and then is at the uniform velocity stirred, in the mistake of stirring
Cheng Zhonghui generates a large amount of bubbles, and there is also milky particle suspensions, the presence of these milky white granules suspended matters
It will affect the uniformity of subsequent slurry pulling-on piece and the electric conductivity of slurry, divide it is seen from the above data that being used in the present invention
Section charging and segmentation stirring are very important.
It is very for the production of battery pole plates that data in comparative example 2 and comparative example 3, which can be seen that stage drying,
It is necessary, if serious adverse effect can be caused to polar board surface film forming using samming drying, due to can not be according to slurry
Actual performance carries out Temperature Matching, and the slurry of polar board surface easily shrinks, peeling, so as to cause the stickup of pole plate spreading mass
Power takes off film integrality and conductivity is seriously deteriorated.
The above is presently preferred embodiments of the present invention, but the present invention should not be limited to embodiment and attached drawing institute public affairs
The content opened both falls within protection of the present invention so all do not depart from the lower equivalent or modification completed of spirit disclosed in this invention
Range.
Claims (9)
1. a kind of battery pole plates coating-spreading mould, characterized by comprising:
Fixed plate, the center of the fixed plate offer rectangular through-hole；
Two are mounted in parallel the first mounting base and the second mounting base in fixed plate upper surface, first mounting base and the second peace
Retain certain gap between dress seat；
Two are mounted in parallel the guide reel in fixed plate lower surface, and it is micro- that the installation pedestal of one of guide reel can carry out position
It adjusts,
Two roller guide surfaces coat soft rubber；
The fixation scraper plate being mounted in the first mounting base, the rear end of the fixed scraper plate are provided with the first push plate, and described first pushes away
For adjusting the micrometer caliper of fixed scraper plate installation site there are two being mounted side by side on rear side of plate；
The gap adjustment mobile scraper being mounted in the second mounting base is protected between the gap adjustment mobile scraper and fixed scraper plate
Hold certain gap；The rear end of the gap adjustment mobile scraper is provided with the second push plate, and the rear side of second push plate is side by side
It is equipped with multiple for adjusting the micrometer caliper of gap adjustment mobile scraper installation site；
The gap adjustment mobile scraper includes the first gap adjustment scraper plate, the second gap adjustment scraper plate and positions scraper plate, described
Second gap adjustment scraper plate is mounted on the center of the second mounting base, and two the first gap adjustment scraper plates are symmetrically mounted on the second gap
The left and right ends of scraper plate are adjusted, two positioning scraper plates are separately mounted in the external end edge of two the first gap adjustment scraper plates, institute
The rear end for stating the second gap adjustment scraper plate and two the first gap adjustment scraper plates and two positioning scraper plates is separately installed with independence
Micrometer caliper.
2. the battery pole plates coating-spreading mould as described in claim 1 is any, it is characterised in that: the surface of the micrometer caliper is equal
It is carved with ranging scale.
3. battery pole plates coating-spreading mould as described in claim 1, it is characterised in that: first mounting base and the second mounting base
Surface offers installation long hole, and the first mounting base and the second mounting base are fixed on fixed plate by the bolt through long hole
On.
4. a kind of battery pole plates slurry production method, which comprises the following steps:
S1, glue configuration:
It S11, is that 39.56:0.44 weighs sodium carboxymethylcellulose dry powder and deionized water according to weight ratio, by carboxymethyl cellulose
Sodium dry powder is added to stir evenly into deionized water, and it is spare that MC001 glue is made；
S11, it is that 39:1 weighs Sodium Polyacrylate dry powder and deionized water according to weight ratio, Sodium Polyacrylate dry powder is added to going
It is stirred evenly in ionized water, it is spare that MD001 glue is made；
S2, slurry preparation:
It S21, is by weight percentage that 10~15%:8~10%:8~10%:1%:180~220%:1~5% successively weighs
MC001 glue, MD001 glue, deionized water, nickel powder, alloyed powder and butadiene-styrene rubber；
S22, the pulping process of slurry compounding machine is arranged to six sections, and sets the mashing revolving speed and beating time of slurry compounding machine, wherein set
Determining first segment revolving speed is 150HZ, beating time 10min；Second segment revolving speed is 180HZ, beating time 20min；Third section
Revolving speed is 200HZ, beating time 25min；4th section of revolving speed is 250HZ, beating time 70min；5th section of revolving speed be
200HZ, beating time 12min；6th section of revolving speed and beating time are 0；
S23, deionized water, MC001 glue and MD001 glue are sequentially added according to the ratio weighed in step S21, slurry compounding machine
Upper cover cycle covers, and presses start button and start to work to first segment and terminate；
S24, slurry compounding machine upper cover is opened, nickel powder is added according to the ratio weighed in step S21, then screw on upper cover and start second segment
Work opens upper cover after working to second segment and the material scraper of bucket wall is entered bottom；
S25, by the material scraper on bucket wall it is clean after, start weighted alloyed powder is slowly added from material mouth, added to alloyed powder
It opens upper cover in back spin after upper cover stirring 5-10min again and the material scraper on bucket wall and impeller is entered into bottom until stirring is to the 4th section
Terminate；
S26, after the 4th section stirring terminate after, open slurry compounding machine upper cover simultaneously according to weighing ratio be added butadiene-styrene rubber back spin on
Lid starts the 5th section of stirring work, checks whether butadiene-styrene rubber and slurry mix sufficiently after working to the 5th section, if
Pulp surface does not occur milky and then stops stirring, and continues to stir if milky occurs in pulp surface, until milky disappears
It loses；
S27, configured slurry is delivered to it is spare in the grout hopper below coating-spreading mould；
S3, pulling-on piece: will be with a thickness of 0.01-0.8mm and the metal mesh belt of surface aperture is through placing using metal mesh belt conveyer
The grout hopper of good slurry, metal mesh belt good slurry of dual coating during passing through grout hopper, has then coated slurry for surface
Metal mesh belt passes through coating-spreading mould as described in claim 1, is scraped by gap adjustment mobile scraper on coating-spreading mould and fixation
The neat and well spaced thickness to process stipulation of the slurry that cooperation between plate coats metal mesh belt surface；
S4, scraping: the micrometer caliper by adjusting gap adjustment mobile scraper on coating-spreading mould accurately regulates gap adjustment
Distance of the mobile scraper apart from metal mesh belt surface controls the starching on two surfaces of metal mesh belt by gap adjustment mobile scraper
Value, the starching ratio controlled between metal mesh belt scraping face and non-scraping face is 45:55, and the slurry that scraping is got off is fed directly to
It is re-used in grout hopper；
S5, drying: the metal mesh belt Jing Guo scraping being delivered in drying box to be dried pole plate be made, and the drying box includes
Four temperature regions, from front to back successively are as follows: infrared quick first dry section that temperature is 140-150 degrees Celsius, temperature are
152-156 degrees Celsius of the second dry section of hot wind high temperature, the hot wind low temperature third dry section that temperature is 125-135 degrees Celsius and
The 4th dry section of hot wind constant temperature that temperature is 70-75 degrees Celsius；
S6, tabletting: dual lustre surfaces will be carried out by dry pole plate using double roller optical pressure machine；
S7, it cuts out sheet: the metal mesh belt Jing Guo tabletting being subjected to slit shearing using guillotine；
S8, softening: the metal mesh belt sheet cut is softened using two concatenated tenderizing machines, is cut by step S7
Metal mesh belt sheet afterwards is flowed into First tenderizing machine along its length first and is softened, along width after being then rotated by 90 °
Direction is flowed into second tenderizing machine and is softened；
S9, small pieces are cut out: regulation ruler will be cut into according to product requirement by the metal mesh belt sheet of softening using fixed width guillotine
It is very little, and save.
5. battery pole plates slurry production method as claimed in claim 4, it is characterised in that: in the step S2, by weight hundred
Divide than being that 12%:9%:8%:1%:200%:2% successively weighs MC001 glue, MD001 glue, deionized water, nickel powder, conjunction
Bronze and butadiene-styrene rubber.
6. battery pole plates slurry production method as claimed in claim 4, it is characterised in that: infrared quick in the step S4
The temperature of first dry section is 145 degrees Celsius, the temperature of the second dry section of hot wind high temperature is 155 degrees Celsius, hot wind low temperature third
The temperature of dry section is 130 degrees Celsius, and the temperature of the 4th dry section of hot wind constant temperature is 75 degrees Celsius.
7. battery pole plates slurry production method as claimed in claim 4, it is characterised in that: in the step S4, alloyed powder
Charging rate is 8-10kg/min.
8. battery pole plates slurry production method as claimed in claim 4, it is characterised in that: the metal mesh belt is surface aperture
Stainless steel band or copper strips.
9. battery pole plates slurry production method as claimed in claim 4, it is characterised in that: the deionized water conductivity control
Below 0.8 μ S/cm.
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| CN108461704A (en) * | 2018-02-27 | 2018-08-28 | 深圳市豪鹏科技有限公司 | A kind of secondary cell scrapes plain edge negative plate and makes mold |
| CN108550781A (en) * | 2018-04-16 | 2018-09-18 | 河南省恒明风云电源有限公司 | A kind of Pulp scraping device |
| CN109659491B (en) * | 2019-01-22 | 2024-03-15 | 深圳市量能科技有限公司 | Wet farad thick liquid mould equipment of secondary cell belt matrix pole piece |
| CN111952533B (en) * | 2020-07-29 | 2023-01-10 | 江西省倍特力新能源有限责任公司 | Manufacturing device for negative electrode of power type battery |
| CN111987292B (en) * | 2020-08-14 | 2022-07-08 | 湖南格瑞普新能源有限公司 | Nickel-hydrogen battery wet method cathode process added with short fibers |
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Effective date of registration: 20200228 Address after: No. 999, spring Shun Road, economic and Technological Development Zone, Yichun, Jiangxi Province Co-patentee after: Shenzhen BetterPower Battery Co., Ltd. Patentee after: Jiangxi beiteli new energy limited liability company Address before: No. 999, spring Shun Road, economic and Technological Development Zone, Yichun, Jiangxi Province Patentee before: Jiangxi beiteli new energy limited liability company |