CN110170530A - Prepare the. g., lead tape calender Modified roller and pole plate production technology of grid - Google Patents
Prepare the. g., lead tape calender Modified roller and pole plate production technology of grid Download PDFInfo
- Publication number
- CN110170530A CN110170530A CN201910457354.1A CN201910457354A CN110170530A CN 110170530 A CN110170530 A CN 110170530A CN 201910457354 A CN201910457354 A CN 201910457354A CN 110170530 A CN110170530 A CN 110170530A
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- China
- Prior art keywords
- lead
- alloy lead
- band
- net
- pole plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/021—Rolls for sheets or strips
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/82—Multi-step processes for manufacturing carriers for lead-acid accumulators
- H01M4/84—Multi-step processes for manufacturing carriers for lead-acid accumulators involving casting
-
- 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 discloses a kind of. g., lead tape calender Modified roller and pole plate production technology, wherein, Modified roller includes for crude thick alloy lead band to be rolled into the roll body for refining thin alloy lead band, roll body is arranged to cylindrical, and it is equipped with the annular groove for forming protuberance muscle on refining thin alloy lead band on their outer circumference, annular groove and roll body are coaxially disposed.Thus, protuberance muscle can be formed on refining thin alloy lead band by the annular groove of roll body, then, net is drawn in the net or rushed in the non-protuberance muscle portion position for refining thin alloy lead band form staggered rib, then, the protuberance muscle portion position for refining thin alloy lead band is cut into tab, the thickness of tab obtained increases, increase the service life of tab, and, due to using the Modified roller to prepare the tab of thickening in the case where not increasing the thickness of crude thick alloy lead band, the increase of cost and the waste of material not will cause.
Description
Technical field
The present invention relates to lead-acid battery fields, and in particular to a kind of roll mill Modified roller and grid for preparing grid
Production technology.
Background technique
Lead-acid battery is widely used since its quality is stable, high reliablity in automotive field, and in lead-acid battery
Grid be influence the lead-acid battery service life one of principal element, main cause is that the tab of negative electrode grid is sent out in use
Raw corrosion, causes lead-acid battery to fail.
The production method of negative electrode grid mainly has two kinds of casting and seine.But when producing using casting mode, ring is produced
There can be metal vapors in border, both pollute environment, can also cause damages to the health of producers.Therefore, using seine
Mode to process negative electrode grid be more preferred mode.
Application publication number is although the application for a patent for invention of CN 109004238A discloses a kind of lead-acid battery hauling type plate
The production method of grid, which disclose general lead-acid battery seine grids to need by rolling, rolling cut, seine, sandblasting, cuts
The processes such as disconnected are made.But the patent is mainly to pass through sandblasting process to increase attachment of the cell active materials on seine grid
Property, there is no the service lifes of the tab for negative electrode grid to be improved.
Authorization Notice No. is although the utility model patent of CN208433469U discloses a kind of energy-saving lead-acid battery plate
Grid preparation facilities, which essentially discloses is arranged pressure roller group and punch group on grid preparation facilities, will by pressure roller group
. g., lead tape is rolled, and keeps its thickness thinning, is then punched in the thinning. g., lead tape of thickness by punch group, to form grid.
But pressure roller used in the pressure roller group of the patent is common pressure roller, also fail to the tab for improving negative electrode grid uses the longevity
Life.
Summary of the invention
The service life of the tab on grid in order to solve the problems, such as lead-acid battery is short, a side according to the present invention
Face provides a kind of roll mill Modified roller for preparing grid blank.
It includes for crude thick alloy lead band to be rolled into that this, which prepares the. g., lead tape calender of grid blank with Modified roller,
The roll body of thin alloy lead band is refined, roll body is arranged to cylindrical, and is equipped on their outer circumference for refining thin alloy lead band
The upper annular groove for forming protuberance muscle, annular groove and roll body are coaxially disposed.. g., lead tape calender is mainly used for by drawing in the net or rushing net
The grid that produces of mode the thin alloy lead band of purification as blank is provided, thus, it is possible in the non-grand of the thin alloy lead band of purification
It plays muscle portion position to be drawn in the net, rush net and form staggered rib, then, the protuberance muscle portion position for refining thin alloy lead band is cut into poling
Ear, tab and rib are connected by frame, and the thickness of the tab prepared by increases, and increase the service life of tab, moreover, by
In the tab for preparing thickening in the case where not increasing the thickness of crude thick alloy lead band using the Modified roller, Bu Huizao
At the increase of cost and the waste of material.
In some embodiments, the depth H 1 of annular groove is 0.1mm-0.5mm.The thickness T4 of tab obtained as a result,
Greater than the thickness T7 of rib, the service life of tab is improved.
In some embodiments, the corner smooth transition of annular groove.It is taken off from annular groove convenient for protuberance muscle as a result,
Out, guarantee that. g., lead tape calender being capable of continuous production.
In some embodiments, the middle part of roll body is arranged in annular groove.Thus, it is possible in the protuberance muscle of grid blank
Two sides form rib by drawing in the net or rushing net, and active material is then coated on rib, will then swell the rib point of muscle two sides
It is not cut into pole plate, improves the stock utilization of crude thick alloy lead band.
The tab on pole plate (pole plate is formed by coating active material on grid) in order to solve lead-acid battery makes
A kind of pole plate production technology is provided according to a further aspect of the invention with the problem that the service life is short.
The pole plate production technology the following steps are included:
S101: electrolytic lead, which is melted, and adds alloying element generates alloy lead liquid；
S201: alloy lead liquid is delivered to. g., lead tape casting machine, alloy lead liquid is cast into crude thick alloy by. g., lead tape casting machine
. g., lead tape；
S301: the. g., lead tape calender by being equipped with Modified roller above-mentioned carries out cold rolling, system to crude thick alloy lead band
Obtaining has the thin alloy lead band of purification for swelling muscle as the blank of seine or punching net, wherein protuberance muscle passes through on Modified roller
The annular groove of setting forms on refining thin alloy lead band；
S401: the non-protuberance muscle portion position for refining thin alloy lead band is drawn in the net by net puller, is formed criss-cross
Rib, to form seine grid blank；
Or the non-protuberance muscle portion position for refining thin alloy lead band can be carried out rushing net by net punch, it is formed criss-cross
Rib rushes web plate grid blank to be formed；
S501: by plaster coating machine to seine grid blank or rush web plate grid blank surface coat active material, formed apply
It is covered with the seine grid blank of active material or rushes web plate grid blank；
S601: to the seine for being coated with active material or being rushed web plate grid blank and cut by cutting machine, forms pole plate,
Wherein, position of the tab of pole plate where swelling muscle cuts to be formed.
In some embodiments, in step S301. g., lead tape calender repeatedly rolls crude thick alloy lead band,
And protuberance muscle is only rolled out on refining thin alloy lead band by Modified roller in last time rolling.
In some embodiments, crude thick alloy lead band with a thickness of 1-2cm. g., lead tape calender is to crude thick alloy lead
Band rolling 4-6 times, by the crude thick alloy lead band before. g., lead tape calender last time rolling with a thickness of 2-3mm.
In some embodiments, in step S401, when using net puller, by net puller to the thin alloy lead of purification
The part of the protuberance muscle two sides of band is drawn in the net, to form the seine grid blank that there are rib in protuberance muscle two sides；
When using net punch, carry out rushing net by part of the net punch to the protuberance muscle two sides for refining thin alloy lead band,
Web plate grid blank is rushed with form that there are a rib in protuberance muscle two sides.
In some embodiments, in step s 601, tab, and pole are cut in the eccentric position of pole plate by cutting machine
Ear is located at the wherein side of the central axis of pole plate.
Detailed description of the invention
Fig. 1 is the using state structure diagram for preparing the. g., lead tape calender roll of grid in the prior art；
Fig. 2 is another visual angle using state structure diagram of. g., lead tape calender roll shown in Fig. 1；
Fig. 3 is the another visual angle using state structure diagram of. g., lead tape calender roll shown in Fig. 1；
Fig. 4 is the use state structure of the. g., lead tape calender Modified roller for preparing grid of an embodiment of the present invention
Schematic diagram；
Fig. 5 is another visual angle using state structure diagram of. g., lead tape calender Modified roller shown in Fig. 4；
Fig. 6 is the another visual angle using state structure diagram of. g., lead tape calender Modified roller shown in Fig. 4；
Fig. 7 is the use state knot of the. g., lead tape calender Modified roller for preparing grid of another embodiment of the present invention
Structure schematic diagram；
Fig. 8 is another visual angle using state structure diagram of. g., lead tape calender Modified roller shown in Fig. 7；
Fig. 9 is the another visual angle using state structure diagram of. g., lead tape calender Modified roller shown in Fig. 7；
Figure 10 is the drawing for preparing thin alloy lead band made from the. g., lead tape calender roll of grid shown in Fig. 1 in the prior art
Net state structural schematic diagram；
Figure 11 is that the thin alloy that protuberance muscle is equipped with made from the. g., lead tape calender Modified roller of grid is prepared shown in Fig. 4
The seine status architecture schematic diagram of one embodiment of. g., lead tape；
Figure 12 is that the thin alloy that protuberance muscle is equipped with made from the. g., lead tape calender Modified roller of grid is prepared shown in Fig. 4
The seine status architecture schematic diagram of another embodiment of. g., lead tape；
Figure 13 be seine is formed shown in Figure 11 and Figure 12 seine grid blank along cutting line cut made of pole plate
Structural schematic diagram；
Figure 14 is another viewing angle constructions schematic diagram of pole plate shown in Figure 13；
Figure 15 is the another viewing angle constructions schematic diagram of pole plate shown in Figure 14；
Figure 16 is the present invention with the flow chart of the pole plate production technology of embodiment.
Specific embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Make to solve the negative electrode grid of automobile EFB battery (enhanced pregnant solution type battery, mainly with lead-acid battery)
With the problem that the service life is short, inventor studies automobile start-stop loop test, finds the failure cause master of start-stop loop test
It is that the tab of negative electrode grid easily corrodes, therefore, the tab in order to solve the problems, such as negative electrode grid is perishable, and Fig. 4 is extremely
Fig. 6 and Figure 11 to Figure 15 schematically shows a kind of. g., lead tape calender modified of embodiment according to the present invention
Roll.
As shown in Fig. 4, Fig. 5, Figure 11 to Figure 13, which includes
For crude thick alloy lead band 20 to be rolled into the roll body 31 for refining thin alloy lead band 21, roll body 31 is arranged to cylindrical, roller
Annular groove 311 is integrally formed or is machined on the periphery of body 31, and annular groove 311 is used to by way of rolling refine thin alloy
Protuberance muscle 211 is formed in. g., lead tape 21, annular groove 311 and roll body 31 are coaxially disposed.
. g., lead tape calender is mainly used for by non-casting grid, such as the grid base by drawing in the net or rushing net mode production
Material 40 provides the thin alloy lead band 21 of purification as raw material.When general roll 300 is used only in. g., lead tape calender, i.e., at this time
. g., lead tape calender is. g., lead tape calender commonly used in the prior art, for example, notification number can be used for the reality of CN202114471U
A kind of tandem-rolling continuous-stamping device for coiled battery grids is disclosed with novel.This common. g., lead tape calender is to crude thick alloy lead
It is only that the thickness of crude thick alloy lead band 20 is rolled into thin, the thin alloy lead band 21 of formation purification. g., lead tape calendering when band 20 is rolled
Machine includes at least one group of roll stacks, and every group of roll stacks include two rolls 300 being distributed up and down, are existed between two rolls 300
Gap, crude thickness alloy lead band 20 are located in the gap between two rolls 300, and the width in the gap is less than crude thick alloy
20. g., lead tape calender of. g., lead tape is equipped with all rolls 300 of power drive and rotates, wherein two rolls 300 in every group of roll stacks
Rotation direction on the contrary, and the direction of each roll 300 and the tangent linear velocity of crude thick alloy lead band 20 be directed toward roll 300
Away from the side of crude thick alloy lead band 30.As a result, along with the rotation of roll 300, under the drive of roll 300, crude thickness
Alloy lead band 20 is mobile towards the gap between two rolls 300, the thinning formation purification of thickness after the rolling of two rolls 300
Thin alloy lead band 21, the thin alloy lead band 21 of purification of formation under the drive of roll 300 from the gap court between two rolls 300
The side away from crude thick alloy lead band 20 of roll 300 is mobile, and the thin alloy lead band 21 of purification obtained does not have protuberance muscle 211
(as shown in Fig. 1 to Fig. 3 and Figure 10).
And when the production of Modified roller 30 of the invention being used to refine thin alloy lead band 21, although rolling mode and aforementioned phase
Together, still, due to being provided with annular groove 311 on the roll body 31 of Modified roller 30 of the present invention, by being provided with Modified roller
30. g., lead tape calender rolls crude thick alloy lead band 20, the available thin alloy lead of purification with protuberance muscle 211
Band 21, wherein (as shown in Figures 4 to 6) is made by annular groove 311 in the protuberance muscle 211 refined on thin alloy lead band 21.Work as needs
It, can be by normal in the prior art when the thin alloy lead band 21 of purification with protuberance muscle 211 is made lead-acid battery pole plate 400
Drawing device rushes net device and is drawn in the net or rushed net in the non-protuberance muscle portion position for refining thin alloy lead band 21 and forms rib
43, then, active material is coated on the surface of rib 43, then, can will be refined by cutting machine commonly used in the prior art
211 position of protuberance muscle of thin alloy lead band 21 cuts into tab 41, draws in the net or rushes net and cut mode such as Figure 11 and Figure 12 institute
Show, pole plate 400 obtained is as shown in FIG. 13 to 15 after cutting.Tab 41 and rib 43 can be directly connected to, and can also be passed through
Frame 42 connects (as shown in Figure 11 to Figure 15), wherein frame 42 both can be in the non-protuberance muscle portion for refining thin alloy lead band 21
Position and/or protuberance 211 position of muscle are cut out, so that the tab 41 that thickness increases be made, increase the service life of tab 41, thus
The pole plate 400 is used as the negative plates of automobile lead-acid battery, to increase automobile lead by the service life for improving pole plate 400
The start-stop cycle-index of sour battery improves the service life of automobile lead-acid battery.It is grand on thin alloy lead band 21 due to refining
Playing muscle 211 is that the annular groove 311 by being arranged on Modified roller 30 integrally rolls when crude thick alloy lead band 20 is rolled thin
On refining thin alloy lead band 21, thickening can be prepared in the case where not increasing the thickness of crude thick alloy lead band 20
Tab not will cause the increase of raw material and cost.Since the raw material that. g., lead tape calender uses are crude thick alloy lead band 20,
The operation of rolling is without melting alloy lead, and production scene will not generate lead fume and lead skim, and operator is not easy because of production scene
Existing lead fume and lead skim and lead to lead poisoning, realize CR production；Meanwhile on the one hand production process can without heating
Production energy consumption is reduced, is on the other hand allowed continuous production；Moreover, the pole plate 400 that is produced by seine mode and common
Gravity casting method. g., lead tape tandem rolling development method, pole plate is compared made from. g., lead tape punching method, have area is big, light-weight, internal resistance is small,
Conduct electricity very well, good corrosion resistance, good mesh consistency the advantages that, and the loose phenomenon of amorphousness occurs.
Preferably, as shown in Fig. 5, Fig. 6, Figure 11, Figure 12, Figure 14 and Figure 15, the depth H 1 of annular groove 311 is 0.1mm-
0.5mm.Thus, it is possible to make to refine formation width W2 on thin alloy lead band 21, it is highly the protuberance muscle 211 of H2, refines at this time
The non-protuberance muscle portion position of thin alloy lead band 21 with a thickness of T3, wherein protuberance muscle 211 width W2 size and annular groove 311
Width W1 size it is corresponding, the size for swelling the height H2 of muscle 211 is corresponding with the size of depth H 1 of annular groove 311；Then,
Pole plate 400 is made after drawing in the net or rushing net, apply cream and shearing, pole plate 400 obtained includes tab 41, frame 42 and rib
43, wherein the length of the length L4 of tab 41 is less than or equal to the width W2 of protuberance muscle 211；Tab 41 includes tab ontology 411
With protrusion 412, the thickness T4 of tab 41 is equal to the thickness T7 of tab ontology 411 and the sum of the thickness T5 of protrusion 412, wherein grand
The height H2 for playing muscle 211 is equal with the thickness T5 of protrusion 412, and the thickness T7 of tab ontology is non-grand with the thin alloy lead band 21 of purification
Rise muscle portion position thickness T3 is equal namely the thickness T4 of tab 41 is substantially equal to the height H2 of protuberance muscle 211 and refines thin conjunction
The sum of the thickness T3 of the non-protuberance muscle portion position of golden. g., lead tape 21；The thickness T6 of frame 42 can be equal with the thickness T4 of tab, can also
To be arranged to the structure with step, at this point, the thickness T4 phase of the thickness of the side close to tab 41 of frame 42 and tab 41
Deng the thickness of the side close to rib 43 of frame 42 and the thickness T7 of rib 43 are equal.The thickness of tab 41 obtained as a result,
T4 increases, and improves the service life of tab 41.Further, with the increase of the size of the depth H 1 of annular groove 311, annular groove
311 width W1 is reduced so that on the thin alloy lead band 21 of purification for have protuberance muscle 211 cut-out tab 41 it is transversal
Area is kept constant, and while improving the service life of tab 41, guarantees the magnitude of current for flowing through tab 41.
Tab in order to solve the problems, such as negative plates is perishable, and Fig. 7 to Fig. 9 schematically shows according to the present invention
The. g., lead tape calender Modified roller of another embodiment.
The corner smooth transition of annular groove 311 as shown in figures 7 and 9.Preferably, it is fallen in the corner of annular groove 311
Fillet, can also be in the corner chamfering of annular groove 311.Deviate from from annular groove 311 convenient for protuberance muscle 211 as a result, guarantees lead
Band calendering machine being capable of continuous production.
The either Modified roller 30 of the first embodiment or the Modified roller 30 of second of embodiment, such as
Shown in Fig. 4 to Fig. 9, the middle part of roll body 31 is arranged in annular groove 311.Thus, it is possible to two of the protuberance muscle 211 in grid blank 40
Side forms rib 43 by drawing in the net or rushing net, then, coats active material on the surface of rib 43, will then swell 211 liang of muscle
The rib 43 of side is cut into pole plate 400 respectively, improves the stock utilization of crude thick alloy lead band 20.
Tab in order to solve the problems, such as negative plates is perishable, according to an aspect of the invention, there is provided a kind of pole
Board production technology.
As shown in figure 16, the pole plate production technology the following steps are included:
S101: being melted electrolytic lead by lead melting furnace, and during electrolytic lead fusing, alloy member is added in lead melting furnace
The obtained alloy lead liquid of element, wherein using electrolytic lead as main material, remaining alloying element requires to add in proportion, alloying element include tin,
Antimony, calcium, aluminium, arsenic, copper, selenium and/or silver etc., with formed slicker solder, lead, tin and stibium silver, lead calcium tin aluminium, lead antimony arsenic, lead antimony arsenic selenium copper selenium or
Lead-antimony alloy liquid.Wherein, lead melting furnace can generally be existed using electric lead melting furnace commonly used in the prior art, the capacity of electric lead melting furnace
500kg-1000kg, power are powered in 18kw-36kw using three-phase electricity, can also be added by coal or fuel oil to lead melting furnace
Heat, the present invention are not construed as limiting the specific structure of lead melting furnace.Electrolytic lead can also be melted using cathode alloy smelting device
Change, cathode alloy smelting device is in the prior art for smelting the smelting device of metal liquid, and the present invention is to cathode alloy smelting
The specific structure of refining device is also not construed as limiting.
By taking common lead-antimony alloy as an example, specifically may is that first by sum about half lead pig be added market pot in, heating
To 350-400 DEG C, melt lead；Then, the fritter that the antimony of specified amount is pounded into 70mm or so with hammer, is heated to temperature
At 500-550 DEG C, with special tool by (density because of antimony is low, only 6.7g/ below supernatant antimony indentation lead liquid
cm3, so can float on the surface), it melts antimony all, after antimony is completely melt, remaining lead is added, starts stirring system (machine
Tool stirring or compressed air stirring), it is adequately stirred, mixing time is not less than 30 minutes, and aluminium alloy temperature should protect at this time
It holds after the completion of 450-550 DEG C, stirring, pulls the lead skim in pot out with special strainer, antimony content analysis is carried out to the lead in pot, no
It is adjusted when conjunction requires, starts ingot casting after removing surface oxidation residue after qualified；During configuration metal liquid
Lead oxidization burning loss places charcoal or quartz sand etc. on lead liquid surface, to reduce lead liquid and air contact；It is closed to reduce configuration lead
During golden liquid, the lead of volatilization is frozen into lead ash pollution production environment, endangers the health of producers, sets in Workplace
Lead discharging dirt device is set.The freezing point that the thermometer that range is 0-600 DEG C tests lead-antimony alloy can be used in the measurement of antimony content
(namely lead-antimony alloy starts the temperature that the temperature of the lead-antimony alloy of solidification and thermometer test remains unchanged for a long time), passes through
Amount containing antimony corresponding with the freezing point of lead-antimony alloy can be checked in by tabling look-up；Also each element in spectrometer measurement alloy can be used to contain
Amount, it is quick, accurate.When configuring lead-antimony alloy with Reducing Lead, needs to determine the antimony content in Reducing Lead first, then calculate again
The antimony that should be added.
Alloy lead liquid: being delivered in the feed hopper of. g., lead tape casting machine by S201 by defeated lead pipe, is started. g., lead tape casting machine, is made
Alloy lead liquid is filled into type chamber, is formed by water cooling, and the crude thick alloy lead band of thickness 1-2cm, width 10-20cm is made
20。
The specific embodiment that. g., lead tape casting machine casts crude thick alloy lead band 20 for example may is that through defeated lead pipe to lead
Lead liquid bath with casting machine is for lead, and defeated lead pipe temperature is not less than 550 DEG C, and adjustment lead liquid level float adjusts bolt, and lead liquid is in lead
It being locked after a constant altitude in slot close to switch positioning bolt, extrusion wheel pouring flow rate adjusts counterweight adjustment by lead flow quantity,
The screw adjusted on counterweight is locked after adjusting flow, guarantees that the lead liquid of regime flow is cast.Wherein. g., lead tape casting machine
It can be used commonly used in the prior art for metal liquid to be cast as. g., lead tape. g., lead tape casting machine, the prior art can also be used
In common continuous strip-casting machine metal liquid is cast as. g., lead tape, specific knot of the present invention to. g., lead tape casting machine and continuous strip-casting machine
Structure is not construed as limiting.
S301: crude thick alloy lead band 20 can be delivered to by. g., lead tape calender by conveyer belt and rolled, by setting
There is the. g., lead tape calender of Modified roller 30 above-mentioned to carry out cold rolling to crude thick alloy lead band 20, is made as seine or rushes net
Blank the thin alloy lead band 21 of purification with protuberance muscle 211, wherein protuberance muscle 211 is by being arranged on Modified roller 30
Annular groove 311 formed on refining thin alloy lead band 21.Preferably, the Vickers hardness of thin alloy lead band 21 reaches setting at this time
Range 30-60 degree reduces resistance to improve the alloy consistency, intensity, flexibility, the corrosion resistance that refine thin alloy lead band 21.
Wherein, tape handler can be used commonly used in the prior art for. g., lead tape to be collected to coiled tape handler, and the present invention is to tape handler
Specific structure be not construed as limiting.
The thin alloy lead band 21 of the purification rolled is collected. g., lead tape in rolls by tape handler, then, coiled purification is thin
Alloy lead band 21 stands crash handling, and aging time is usually 10 days or so, to stablize grain structure, improve intensity, satisfaction drawing
Net and coated plate need, and refine and are drawn in the net after thin 21 timeliness of alloy lead band again, apply cream, dry tack free processing；Refine thin alloy lead
After age-hardening, intensity increases band 21, elongation percentage decline.
S401: the non-protuberance muscle portion position for refining thin alloy lead band 21 is drawn in the net by net puller, is pulled to the ruler of setting
It is very little, to form criss-cross rib 43, to form seine grid blank 40.Particular by thin alloy lead band 21 will be refined
Defined slot is gone out on punching machine, then the thin alloy lead band 21 of purification is stretched, and can form seine grid base
Material 40；
Or the non-protuberance muscle portion position for refining thin alloy lead band 21 can be carried out by net punch rushing net, punching to specified ruler
It is very little, to form criss-cross rib 43, web plate grid blank 40 is rushed to be formed.
Wherein, net puller can be used commonly used in the prior art for thin alloy lead band 21 to be drawn into seine grid base
The net puller of material 40, net punch can be using commonly used in the prior art for thin alloy lead band 21 to be washed into web plate grid blank
40 net punch, the present invention are not construed as limiting the specific structure of net puller and net punch.
S501: by plaster coating machine to seine grid blank 40 or rush web plate grid blank 40 surface coat active material, shape
At the seine grid blank 40 for being coated with active material or rush web plate grid blank 40.Wherein, the prior art can be used in plaster coating machine
In commonly for the plaster coating machine that is coated to active material on the surface of grid blank 40, specific knot of the present invention to plaster coating machine
Structure is not construed as limiting.
Active material is the active material lead plaster being made of materials such as lead powder, formulation material, acid, water, and active material is coated to
The grid blank 40 coated with active material is made in the tow sides of grid blank 40.
S601: to the seine for being coated with active material or being rushed web plate grid blank 40 and cut by cutting machine, forms pole
Plate 400, wherein the tab 41 of pole plate 400 cuts to be formed at the position where protuberance muscle 211.It is wet for cutting the pole plate 400 to be formed
Then wet pole plate is carried out the processing of surface leaching acid and dry tack free curing process, semi-finished product pole plate is made by pole plate, then will half at
Grade plate is transferred in drying equipment, and rear finished product pole plate, finished product pole plate and partition and electricity is dried by drying process requirement
Pond shell and other auxiliary materials can be made into lead-acid battery together.Wherein, cutting machine can be used commonly used in the prior art
To the cutting machine that grid is cut, the present invention is not construed as limiting the specific structure of cutting machine.
In some embodiments, in step S301. g., lead tape calender repeatedly rolls crude thick alloy lead band 20
System, and only roll out protuberance muscle 211 on refining thin alloy lead band 21 by Modified roller 30 in last time rolling.Tool
Can be of body be arranged on. g., lead tape calender it is multistage to pressure roller group, it is multistage to pressure roller group from the feed end of. g., lead tape calender to its
Discharge end arrangement, and every grade includes two rolls being distributed up and down to pressure roller group, closest to pair of the discharge end of. g., lead tape calender
Roll in pressure roller group at least one use aforementioned improved type roll 30.It is thus possible to only in the last time operation of rolling
Protuberance muscle 211 is rolled out on refining thin alloy lead band 21, on the one hand, can cause most to avoid multiple rolling protuberance muscle 211
The density of the protuberance muscle 211 of final shaping unit is significantly larger than the non-protuberance muscle portion position for refining thin alloy lead band 21, convenient for finally refining
Thin alloy owes molding protuberance muscle 211 on point 21, and warpage, deformation easily occur for the thin alloy lead band 21 of the purification resulted in；Another party
Face during avoiding repeatedly rolling protuberance muscle 211, causes repeatedly to roll formation due to crude thick alloy lead band 20 shifts
Protuberance muscle 211 interlocks.
In some embodiments, crude thick alloy lead band 20 with a thickness of 1-2cm. g., lead tape calender is to crude thick alloy
. g., lead tape 20 rolls 4-6 times, by the crude thick alloy lead band 20 before. g., lead tape calender last time rolling with a thickness of 2-3mm.
In some embodiments, in step S401, when using net puller, by net puller to the thin alloy lead of purification
Part with 21 211 two sides of protuberance muscle is drawn in the net, to form the seine grid blank that there are rib 43 in protuberance 211 two sides of muscle
40；
When using net punch, carried out by part of the net punch to protuberance 211 two sides of muscle for refining thin alloy lead band 21
Net is rushed, rushes web plate grid blank with form that there are a rib 43 in protuberance 211 two sides of muscle.
In some embodiments, in step s 601, the eccentric position by cutting machine in pole plate 400 cuts tab
41, and tab 41 is located at the wherein side of the central axis of pole plate 400.
The tab 41 of pole plate 400 cuts to be formed at the position where protuberance muscle 211, increases the thickness of tab 41, works as vapour
When the tab 41 of pole plate in lead-acid battery used in vehicle thickeies, the threshold number of automobile start-stop test increases (limit time
When number is automobile start-stop test, the start-stop testing time before failure), namely the service life by improving tab 41, improve pole
The service life of plate, the final number for improving automobile start-stop test.Specific data are as follows:
| Negative electrode grid type | Tab thickness/mm | Automobile start-stop test limits number/time |
| The negative electrode grid of tab is not thickeied | 0.70 | 26000 |
| Thicken the negative electrode grid of tab | 0.80 | 31000 |
| Thicken the negative electrode grid of tab | 0.85 | 36000 |
| Thicken the negative electrode grid of tab | 0.90 | 42000 |
With the increase of tab thickness it can be seen from upper table data, the threshold number of automobile start-stop test increases.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (9)
1.. g., lead tape calender Modified roller, which is characterized in that including for crude thick alloy lead band (20) to be rolled into essence
Make the roll body (31) of thin alloy lead band (21), the roll body (31) is arranged to cylindrical, and on their outer circumference be equipped with for
The annular groove (311) of protuberance muscle (211) is formed on thin alloy lead band (21), the annular groove (311) and the roll body (31) are same
Axis setting.
2.. g., lead tape calender Modified roller according to claim 1, which is characterized in that the annular groove (311)
Depth H 1 is 0.1mm-0.5mm.
3.. g., lead tape calender Modified roller according to claim 2, which is characterized in that the annular groove (311)
Corner smooth transition.
4. according to claim 1 to. g., lead tape calender Modified roller described in 3 any one, which is characterized in that the ring
Shape slot (311) is arranged at the middle part of the roll body (31).
5. pole plate production technology, which comprises the following steps:
S101: electrolytic lead, which is melted, and adds alloying element is made alloy lead liquid；
S201: the alloy lead liquid is delivered to. g., lead tape casting machine, the alloy lead liquid is cast into slightly by the. g., lead tape casting machine
Make thick alloy lead band (20)；
S301: by being equipped with the. g., lead tape calender of Modified roller (30) described in Claims 1-4 any one to described thick
It makes thick alloy lead band (20) and carries out cold rolling, the thin conjunction of purification with protuberance muscle (211) of the blank as seine or punching net is made
Golden. g., lead tape (21), wherein protuberance muscle (211) passes through the annular groove (311) being arranged on the Modified roller (30) in institute
It states and is formed on the thin alloy lead band (21) of purification；
S401: it is drawn in the net by non-protuberance muscle portion position of the net puller to the thin alloy lead band (21) of purification, formation is handed in length and breadth
Wrong rib (43), to form seine grid blank (40)；
Or can carry out rushing net by non-protuberance muscle portion position of the net punch to the thin alloy lead band (21) of purification, formation is handed in length and breadth
Wrong rib (43) rushes web plate grid blank (40) to be formed；
S501: by plaster coating machine to seine grid blank (40) or rush web plate grid blank (40) surface coat active material, shape
At the seine grid blank (40) for being coated with active material or rush web plate grid blank (40)；
S601: to the seine for being coated with active material or being rushed web plate grid blank (40) and cut by cutting machine, forms pole plate
(400), wherein the tab (41) of the pole plate (400) cuts to be formed at the position where protuberance muscle (211).
6. pole plate production technology according to claim 5, which is characterized in that in the step S301, the. g., lead tape pressure
Prolong machine repeatedly to roll the crude thick alloy lead band (20), and is only rolled in last time rolling by the modified
Roller (30) rolls out the protuberance muscle (211) on refining thin alloy lead band (21).
7. pole plate production technology according to claim 6, which is characterized in that the thickness of the crude thick alloy lead band (20)
For 1-2cm, the. g., lead tape calender is to described crude thickness alloy lead band (20) rolling 4-6 times, most by the. g., lead tape calender
Afterwards the crude thick alloy lead band (20) before primary rolling with a thickness of 2-3mm.
8. pole plate production technology according to claim 7, which is characterized in that in the step S401, when using seine
When machine, drawn in the net by part of the net puller to protuberance muscle (211) two sides of the thin alloy lead band (21) of purification, with
Form the seine grid blank (40) that there are rib (43) in protuberance muscle (211) two sides；
When using net punch, by the net punch to the parts of the protuberance muscle two sides of the thin alloy lead band (21) of purification into
Row rushes net, rushes web plate grid blank (40) with form that there are a rib (43) in protuberance muscle (211) two sides.
9. pole plate production technology according to claim 8, which is characterized in that in the step S601, cut by described
Off line cuts tab (41) in the eccentric position of pole plate (400), and the tab (41) is located at the central axis of the pole plate (400)
Wherein side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910457354.1A CN110170530B (en) | 2019-05-29 | 2019-05-29 | Polar plate production process |
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| CN201910457354.1A CN110170530B (en) | 2019-05-29 | 2019-05-29 | Polar plate production process |
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| CN110170530B CN110170530B (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293318A (en) * | 2019-12-16 | 2020-06-16 | 安徽理士电源技术有限公司 | Preparation method of high-temperature-resistant lead-acid storage battery |
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|---|---|
| CN110170530B (en) | 2020-06-16 |
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