CN110010835A - The method for manufacturing lead-acid accumulator electrode group - Google Patents
The method for manufacturing lead-acid accumulator electrode group Download PDFInfo
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- CN110010835A CN110010835A CN201811426221.XA CN201811426221A CN110010835A CN 110010835 A CN110010835 A CN 110010835A CN 201811426221 A CN201811426221 A CN 201811426221A CN 110010835 A CN110010835 A CN 110010835A
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- lead
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- molten metal
- transport device
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002253 acid Substances 0.000 title claims abstract description 35
- 238000002844 melting Methods 0.000 claims abstract description 82
- 230000008018 melting Effects 0.000 claims abstract description 82
- 239000002184 metal Substances 0.000 claims abstract description 78
- 229910052751 metal Inorganic materials 0.000 claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 238000006748 scratching Methods 0.000 claims 2
- 230000002393 scratching effect Effects 0.000 claims 2
- 239000000155 melt Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000032258 transport Effects 0.000 description 43
- 238000005266 casting Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 239000011149 active material Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 230000001590 oxidative effect Effects 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 241000239290 Araneae Species 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N oxolead Chemical compound [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910000648 terne Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D25/00—Special casting characterised by the nature of the product
- B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
- B22D25/04—Casting metal electric battery plates or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
- H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/02—Top casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- 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
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
A kind of method manufacturing lead-acid accumulator electrode group is provided, melts lead during the formation of busbar connector wherein can shorten with the time needed for preparing molten metal.The method for manufacturing lead-acid accumulator electrode group includes first to third step.In the first step, it will not be preliminarily heated lead made of lead or metal and be tentatively heated to the unfused temperature of lead in warm table (6).In the second step, the lead (7) after preliminary heating is heated to the temperature for making lead be fused into molten metal (9) by melting plant (8).In third step, molten metal (9) are injected in mold (10), the positive electrode ear (4) of same polarity electrode or negative electrode ear (5) are immersed in the molten metal (9) in mold (10), to form busbar connector.First step is executed during executing second step.
Description
This case isOn January 7th, 2014, application No. is201480002463.X(PCT/JP2014/050081)、
The divisional application of the patent application of entitled " method of manufacture lead-acid accumulator electrode group ".
Technical field
The present invention relates to the methods of manufacture lead-acid accumulator electrode group.Particularly, the present invention relates to a kind of manufacture plumbic acids
The method of battery electrode group, wherein being formed by cast-on strap (cast-on strap) mode for connecting same polarity
The busbar connector (strap) of the ear of electrode.
Background technique
Fig. 5 show it is routinely executing, busbar connector is formed by cast-on strap mode in electrode group in lead-acid accumulator
Schematic process.Fig. 6 is the schematic perspective view of the lead-acid accumulator electrode group before forming busbar connector.
In order to which the ear of the same polarity electrode in lead-acid accumulator electrode group forms busbar connector, firstly, such as Fig. 5 and Fig. 6
Shown in, positive electrode 1 and negative electrode 3 are alternately stacked via partition 2, to make electrode group.Then, solder flux is coated on positive electricity
The positive electrode ear 4 of pole 1 and the negative electrode ear 5 of negative electrode 3, and (ST101 to ST103) is dried.
In addition, melting the lead of lead or metal, to prepare molten metal.Molten metal is cast in the remittance after heating
In the type cavity portion of stream row's mold, and reverse above-mentioned electrode group and by the molten metal in ear's immersion type cavity portion of same polarity
In.After molten metal is cooling and solidification, demoulded that (ST104 is extremely with the busbar connector that is formed for connecting same polarity ear
ST108)。
This method is commonly referred to as " cast-on strap method ", and is typically used as being suitable for sealed type lead acid battery and automobile
With the production method of the battery of the large-scale production such as lead-acid accumulator.
For example, patent document 1 discloses a kind of method, wherein the lead of predetermined amount needed for forming a busbar connector mentions
It is supplied to melting plant (casting ladle), to melt lead every time and inject the lead of melting in the type cavity portion of busbar connector mold.Meanwhile specially
Sharp document 2 discloses a kind of method, wherein using caused by the molten metal by impregnating electrode ear with ultrasonic irradiation
Cavitation effect makes oxide skin(coating) etc. destroy or disperse, the sky formed with the weld interface reduced between busbar connector and electrode ear
The defects of gap.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 4-137461 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2002-63891 bulletin
Summary of the invention
Technical problem
However, using melting plant (casting ladle) molten Pb when forming a busbar connector every time as in patent document 1
In the method for block, the time needed for melting lead becomes bottleneck due to generating the waiting time of subsequent handling, thus makes to produce
Efficiency reduces.In addition, the oxidizing slag generated by the oxidation for the residual molten metal (lead) for being attached to melting plant (casting ladle) can
It can be mixed into weld interface, so as to cause weld failure.
Meanwhile as in patent document 2, by making to aoxidize damage layer or dispersion with ultrasonic irradiation molten metal
In method, the fine debris of oxide skin(coating) that oxide skin(coating) may not be destroyed and remain on weld interface or be destroyed may
It agglomerates and is mixed into weld interface, to can lead to weld failure.
In order to solve foregoing problems, the object of the present invention is to provide it is a kind of manufacture lead-acid accumulator electrode group method,
It can wherein shorten during busbar connector formation, melt lead with the time needed for preparing molten metal.
It is a further object of the present invention to provide a kind of methods for manufacturing lead-acid accumulator electrode group, wherein can be equably
Removal remains in molten metal and its oxidizing slag in melting plant.
Solution to problem
The present invention improves a kind of method for manufacturing lead-acid accumulator electrode group, is formed in the method multiple for connecting
The busbar connector of the ear of same polarity electrode.Manufacturing method according to the invention mainly includes first step, second step and third
Step.
Firstly, in the first step, lead made of lead or metal is transported to warm table, and in the warm table by lead
Block is tentatively heated to the unfused temperature of lead.In the second step, the lead after tentatively heating in first step is transported to molten
Melt device, and lead is heated to by the melting plant temperature for making lead be fused into molten metal.In third step, by second
In the molten metal injection mold prepared in step, the ear of same polarity electrode is immersed in the molten metal in the mold, and
Keep molten metal cooling to form busbar connector.
In manufacturing method according to the invention, first step is executed during executing second step.Statement " is executing the
Execute first step during two steps " mean during executing second step execute first step part or all.Herein
In the case of, first step and second step can start simultaneously at, and first step and second step can terminate simultaneously.
Therefore, it is heated using two stages.In the first stage, the lead of room temperature is tentatively heated to unfused temperature.?
Lead after preliminary heating is fused into molten metal by second stage.By executing the first stage during executing second stage,
Heating time needed for preparing molten metal in melting plant can be shortened.Therefore, can significantly shorten to form busbar connector institute
The time needed.
In addition, heating in advance will be melted in the second step in the first step by as in the present invention
Lead can reduce the temperature of melting plant and be drawn compared with the method that the lead under environment temperature is introduced to melting plant
Enter the temperature difference between the temperature of the lead of melting plant.Thus, it is possible to avoid when lead is introduced into melting plant, with lead
There is the sharply decline of temperature in the part of the melting plant of block contact.Therefore, it is able to suppress the thermal shock for being applied to melting plant,
The local contraction for alleviating melting plant, to prevent the damage of melting plant.
In manufacturing method according to the invention, the first transport device is set, to by first step without tentatively plus
The lead of heat is transported to the warm table in first step, and the second transport device is arranged, will tentatively add in first step
Lead after heat is transported to the melting plant in second step.The lead after preliminary heating is transported with what the second transport device executed
It send to the operations linkage of melting plant, the first transport device starts the behaviour that will not be preliminarily heated lead and be transported to warm table
Make.Statement " the transport operations linkage executed with the second transport device, the first transport device start to transport operation " means second
The first transport device starts the case where transporting operation when transport device terminates to transport operation, executes in the second transport device and transports behaviour
The first transport device starts the case where transporting operation while work, and the while the second transport device starts to transport operation
One transport device starts the case where transporting operation.
For example, if using common transport device as the first transport device and the second transport device, it can be second
After lead after preliminary heating is transported to melting plant by transport device, while preparing molten metal, the first transport dress
Set the operation for starting will not to be preliminarily heated lead and be transported to warm table.
It, can be second meanwhile if using separated transport device as the first transport device and the second transport device
While lead after preliminary heating is transported to the operation of melting plant by transport device execution, the first transport device will be without first
The lead of step heating is transported to warm table.
If starting the first transport operation with the second transport operations linkage by this method, first can be performed in parallel
Step and second step.Thus, it is possible to reliably shorten the activity duration for being used to prepare molten metal.Therefore, can significantly increase
Add the yield of electrode group per unit time.
In manufacturing method according to the invention, removal device is set, to inject molten metal in third step
The residue remained in melting plant is removed after mold.For instance, it is preferred that the bottom for being attached to melting plant will be struck off
The molten metal in face and its scraper of derivative are used as removal device.By the way that molten metal is being injected casting from melting plant
After in the type cavity portion of mould, using removal device (scraper) removal remain in molten metal on the bottom surface of melting plant and
Its derivative can be such that the quality of weld interface stablizes, and be formed in that weld interface is less to have the high-quality of the defects of gap
Measure busbar connector.
Settable controller, to adjust the preliminarily heated heating temperature executed in the first step and heating time,
And heating temperature and the heating time of the heating executed in the second step, so that although can determine first step as needed
With in second step heating temperature and heating time, can also reach predetermined temperature in the given time.For example, can will have
Heating temperature adjusts the heater of function and the timer with heating time set-up function is used as controller.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the process of manufacture lead-acid accumulator electrode group of embodiment according to the present invention.
(A) to (C) of Fig. 2 is a part (warm table, melting plant and mold) of embodiments of the present invention respectively
Show in schematic partial sections.
Fig. 3 is the show in schematic partial sections of a part (melting plant and scraper) of embodiments of the present invention.
Fig. 4 is a part (scraper and scraper maintaining part) for the embodiments of the present invention being seen from the side
Schematic diagram.
Fig. 5 is the schematic diagram for showing the process for manufacturing lead-acid accumulator electrode group according to prior art.
Fig. 6 is the schematic perspective view of lead-acid accumulator electrode group used in the prior art.
Specific embodiment
Hereinafter, will be explained in more detail with reference to the drawing embodiments of the present invention.
Fig. 1 is the schematic diagram for showing the process of manufacture lead-acid accumulator electrode group of embodiment according to the present invention.
The lead-acid accumulator used in the present embodiment is conventional use of electrode group (referring to Fig. 6) with electrode group, and as follows into
Row production.
<production of electrode>
Positive electrode and negative electrode have the active material being maintained on grid substrate.Grid substrate can be cast sheet grid base
Plate or seine grid substrate.
Grid substrate includes tin, calcium, the antimony etc. made lead as main component, and may include addition.Particularly, grid substrate
Preferably include the calcium and tin of addition.Addition calcium can reduce self-discharge rate.In addition, addition tin may when being able to suppress addition calcium
A possibility that electrode corrosion of generation.
The paste active material for being easy to be coated on above-mentioned grid substrate can be used.The composition of paste active material is not by spy
It does not limit.Paste active material is by being kneaded the lead powder containing lead monoxide, water, sulfuric acid etc. (according to positive electrode and negative electrode
Characteristic also adds the additives such as cutting fibre, carbon dust, lignin, barium sulfate and red lead once in a while) it is made.It is coated on grid
The amount of the paste active material of substrate is enough if burying grid completely.Preferably, coating paste active material makes
It obtains its thickness and reaches the frame thickness or thicker at the most external of grid.
By such positive and negative electrode aging and drying, to make not formed electrode.
<production of electrode group>
Use above-mentioned positive electrode and negative electrode production electrode group (referring to Fig. 6).That is, by three positive electrodes 1 and four negative electricity
Pole 3 is alternately stacked via partition 2 made of glass fibre, to make electrode group (ST1).Solder flux is coated on positive electrode ear 4
With negative electrode ear 5 (ST2).In the present embodiment, it instead of conventional use of liquid flux, is omitted using paste solder flux dry
Drying process (ST2).
<production of molten metal>
Fig. 2 is dress used in the process for the manufacture lead-acid accumulator electrode group for showing embodiment according to the present invention
The partial sectional view of a part set.
As shown in Figures 1 and 2, in the manufacturing process of lead-acid accumulator electrode group according to the present embodiment,
Warm table 6 is set in first step, melting plant 8 is set in the second step, mold 10 is used in third step, and also
Transport device (not shown) is set.
Firstly, in the first step, the first transport device will not be preliminarily heated lead 7 and be transported to warm table 6, then
Lead 7 is tentatively heated to unfused predetermined temperature (referring to (A) of ST3, ST4 and Fig. 2).In the present embodiment, contain
The pure lead or metal (terne metal etc.) of inevitable impurity can be used as above-mentioned lead.In the second step, the second transport
Lead 7 after preliminary heating is transported to melting plant 8 by device, and then melting plant 8 is heated to the lead 7 to be fused into lead molten
Melt the temperature of metal 9 (referring to (B) of ST5 and Fig. 2).
First transport device and the second transport device can be same transport device or separated transport device.If used
Same transport device, then the transport device after the lead 7 after preliminary heating to be transported to melting plant 8, in melting plant 8
In while prepare molten metal, start the operation that will not be preliminarily heated lead 7 and be transported to warm table 6.If using dividing
The transport device opened, the then behaviour that the lead 7 after preliminary heating is transported to melting plant 8 by being executed with the second transport device
It links, lead 7 will be preliminarily heated by the first transport device and be transported to warm table 6, lead 7 can be performed in parallel
The preparation of preliminary heating and molten metal.
Therefore, it is heated using two stages.Two stages implement in first step and second step respectively.With at one
The conventional method for heating lead in same containers is compared, can be molten to shorten by executing first step during executing second step
Melt the time of metal preparation section.Although this is because when melting specific lead and reaching total needed for predetermined temperature
Between it is almost the same in method and conventional method of the invention, but in accordance with the invention it is possible to be performed in parallel the preliminary of lead
The preparation of heating and molten metal.Therefore, time energy needed for the molten metal preparation section as bottleneck in the prior art
It is enough to be shortened relatively.In the present embodiment, the pitch time for manufacturing the process of lead-acid accumulator electrode group can foreshorten to
The about a quarter of the prior art.
In addition, in the present embodiment, heating the lead 7 that will be melted by melting plant 8 in advance in warm table 6.Therefore, with
The method according to prior art that lead under environment temperature introduces melting plant is compared, the temperature of melting plant 8 can be reduced
Spend and be introduced into melting plant 8 lead 7 temperature between temperature difference.Thus, it is possible to avoid when new lead 7 be introduced into it is molten
When melting device 8, there is the sharply decline of temperature in the part of the melting plant 8 contacted with lead 7.Therefore, it is able to suppress application
In the thermal shock (and local contraction of the melting plant 8 caused by alleviating) of melting plant 8, this can be prevented to melting plant 8
Damage.
In the present embodiment, specifically, it can be used and be configured to act as both the first transport device and the second transport device
Articulated robot, and two pawl air spiders can be used as end effector.
Firstly, the lead 7 for being placed in lead inventory locations (not shown) is grabbed by two pawl air spiders, and it is transported to Fig. 2
(A) shown in warm table 6.The volume that lead has been processed to the type cavity portion 11 that volume is substantially equal to mold 10 subtracts immersion
The cuboid of the volume of electrode group ear in molten metal in type cavity portion 11.
Then, the lead 7 that predetermined temperature is heated in warm table 6 is grabbed by above-mentioned two pawls air spider, and is transported to
Melting plant 8 shown in (B) of Fig. 2.Later, while preparing molten metal in melting plant 8, two pawl air spiders are moved
It moves to the crawl of lead inventory locations and is not preliminarily heated lead, and lead is transported to warm table 6.At this point, lead 7 is set
In 8 the two of warm table 6 and melting plant, concurrently heated.
In the present embodiment, warm table 6 and melting plant 8 are equipped with the control for being configured to adjustment heating temperature and heating time
Device processed.Specifically, warm table 6 and melting plant 8 may include the timer (not shown) for being configured to adjustment heating time, and add
Thermal station 6 and melting plant 8 may include the internal heater (not shown) to adjust temperature of insertion.
In this case, it even if environment temperature and conveying linear velocity change, can also be realized with timer and heater
Scheduled preliminary heating temperature and scheduled molten metal temperature, so that it is guaranteed that high welding quality.
In addition, because the surface of molten metal is easy to oxidize, and if oxidizing slag is mixed between ear and busbar connector
Then welding quality reduces weld interface, so by preparing molten metal according to the pitch time of fusing and subsequent handling to adjust
Time, be able to suppress the generation of oxidizing slag.Furthermore it is possible to adjust the viscous of molten metal by adjusting the temperature of molten metal
Degree.It therefore, also can be by adjusting molten even if there are many shape of busbar connector or the different shapes of the type cavity portion 11 of mold 10
Melt the viscosity of metal to adjust the flowing of molten metal.This prevents from forming the failures such as stomata in busbar connector, so as to obtain
Good casting.
In order to support the fluctuation of lead ingredient, the seasonal fluctuation of environment temperature, type cavity portion shape diversity and depend on
In the fluctuation of the line speed of front and back process, heter temperature and timer value can be set to, so that after preliminary heating
The temperature of lead can be adjusted in the range of 280 DEG C~320 DEG C, and the temperature of molten metal can 480 DEG C~
It is adjusted in the range of 520 DEG C.In addition, using having good heat resistance, thermal shock resistance properties and corrosion proof cast iron conduct
The material of warm table 6 and melting plant 8.
<casting of busbar connector>
In third step, the molten metal prepared in second step is injected in mold, by the ear of same polarity electrode
It immerses in the molten metal in mold, molten metal is cooling, and demoulded, to complete busbar connector (ST6 to ST8).Specifically
Ground, by being tilted in the 9 injection type cavity portion 11 of molten metal that melting plant 8 melts melting plant 8 as shown in (C) such as Fig. 2,
To cast busbar connector.Melting plant 8 is rotatably supported by supporting part (not shown), and cylinder, hydraulic cylinder, stepping electricity can be used
Machine etc. tilts.In the present embodiment, the operation that melting plant 8 is arranged in the top of type cavity portion 11, and is only inclined by.
However, if making to melt due to the installation space of the device of manufacture lead-acid accumulator electrode group or conveying cable architecture
Device 8 and type cavity portion 11 are separated from each other setting, then melting plant 8 can be moved to type cavity portion 11 while keeping molten metal 9
And it will be in 9 injection type cavity portion 11 of molten metal.
Next, making the electrode group turned upside down of pre-production, ear's (having been coated with paste solder flux) of same polarity is immersed
In molten metal 9 in type cavity portion 11, keep molten metal 9 cooling by the cooling device (not shown) in insertion mold 10 and solid
Change, is then demoulded, to complete busbar connector.
<removal of residue>
In above-mentioned busbar connector casting process, molten metal 9 and its oxidizing slag bottom easy to attach in melting plant 8 at
For residue.If not removing such residue and casting next busbar connector, cast in the state that residue is mixed into molten metal 9
Busbar connector is made, thus the interface between the busbar connector and ear of completion forms gap.This allows electrolyte to ascend between this
Gap and cause to corrode, the failures so that bad connection or busbar connector that can cause between electrode group and busbar connector fall off etc..In addition, taking
Certainly in the mixed volume of residue and it is mixed into position, the extent of corrosion of busbar connector may occur in which fluctuation, this is easy to make the matter of lead-acid accumulator
It measures unstable.In the prior art, pressure-air is blowed to the inner surface of melting plant 8 to remove residue.However, residue can dissipate
Cloth is in the surrounding enviroment including electrode group manufacturing device, to inevitably make environmental degradation.Then, residue can dissipate
Cloth makes lead-acid accumulator short-circuit to electrode group.
Therefore, in the present embodiment, removal device is set, molten metal 9 is injected mold in third step
After in 10, removal remains in the residue in melting plant 8.In the present embodiment, using scraper 12 shown in Fig. 3
As the removal device.Fig. 3 is to show scraper 12 to strike off the residue of molten metal to remove the signal of the state of the residue
Property cross-sectional view.Fig. 4 is a part (scraper 12 and the scraper maintaining part for the embodiments of the present invention being seen from the side
13) schematic diagram.
As shown in Figure 3, in the present embodiment, by tilting melting plant 8 for melting prepared by melting plant 8
After metal 9 injects in the type cavity portion 11 of mold 10, change the inclination of melting plant 8, so that the surface contacted with molten metal 9
Mounting surface relative to welder keeps horizontal.Then, by driving device (not shown) by the terminal part pressure of scraper 12
On the surface contacted with molten metal, makes scraper 12 along the surface contacted with molten metal 9, filled relative to welding
The horizontal direction of mounting surface is set, or the left and right directions seen in side view is swung, and with scraping and removes above-mentioned residue.At this
In embodiment, the device for being configured to driving scraper 12 includes scraper maintaining part 13 shown in Fig. 4, is mounted on
Using two cylinder (not shown) on front-rear direction and the moveable arm of up and down direction.Scraper maintaining part 13 is by Fig. 4's
Schematic side elevational scraper 12 shown in figure and spring portion 14 are constituted.During the operation for striking off residue shown in fig. 3,
The contact pressure that the adjustment of spring portion 14 is applied to the scraper 12 of the bottom surface of melting plant 8 keeps its unlikely excessively, to prevent
Scratch bottom surface or the damage scraper 12 of melting plant 8.In addition, by screwing and loosening the spiral shell that 14 top of spring portion is arranged in
It follows closely to adjust the expansion and contraction of spring to adjust the repulsion of spring portion 14 to adjust the contact pressure of scraper 12, energy
Enough suitably adjust residue removal state.Residue due to scraper 12 for scraping before cooling, scraper
Material, which can be used, to be easy to get and has compared with high corrosion-resistant and the SUS of heat resistance 304.Scraper 12 with melting plant 8
The part of bottom surface contact is processed to that scratch will not be left on melting plant 8.
In the present embodiment, the width of scraper 12 is set to be less than the width in the residue removal face of melting plant 8
Degree.Thus, after scraper 12 swings and strikes off residue, scraper 12 moves up in the direction for being orthogonal to swaying direction
It is dynamic, and swung again to remove the residue not yet struck off.In the present embodiment, it compared with method according to prior art, melts
The residue of the residue and oxidizing slag that melt metal will not disseminate.Therefore, the environment around electrode group manufacturing device can be changed
It is kind, to reduce the failure of lead-acid accumulator in welding sequence.
Although having specifically illustrated embodiments of the present invention above, the present invention is not limited to such embodiment party
Formula, and the size for the component recorded in this embodiment, material and shape, relative position etc. are not departing from model of the invention
It can be made a change in the case where enclosing with thought.Industrial feasibility
According to the present invention, by executing first step during executing second step, it is molten that melting plant preparation can be shortened
Melt the heating time of metal.Thus, it can significantly shorten the time needed for forming busbar connector.Therefore, the present invention is suitable for manufacture lead
The method and apparatus of acid accumulator electrode group, and the electrode group and lead-acid accumulator of application this method and apparatus manufacture.
The explanation of appended drawing reference
1 positive electrode
2 partitions
3 negative electrodes
4 positive electrode ears
5 negative electrode ears
6 warm tables
7 leads
8 melting plants
9 molten metals
10 molds
11 type cavity portions
12 scrapers
13 scraper maintaining parts
14 spring portion
Claims (6)
1. a kind of method for manufacturing lead-acid accumulator electrode group, wherein forming the ear for connecting multiple same polarity electrodes
Busbar connector, which comprises
Lead made of lead or metal is tentatively heated to the unfused temperature of lead in warm table, by the lead after preliminary heating
Temperature be adjusted to 280 DEG C~320 DEG C range first step；
The lead after the preliminary heating is heated to the temperature for making lead be fused into molten metal by melting plant, will be melted
The temperature of metal is adjusted to the second step of 480 DEG C~520 DEG C of range；And
The molten metal is injected into mold and immerses the ear in the molten metal in the mold to be formed
State the third step of busbar connector, in which:
First transport device is set, is transported to described first will not be preliminarily heated the lead in the first step
The warm table in step；
Second transport device is set, the lead after tentatively heating in the first step is transported to the second step
The melting plant in rapid；
The behaviour that the lead after the preliminary heating is transported to the melting plant executed with second transport device
It links, first transport device starts the behaviour for not being preliminarily heated the lead and being transported to the warm table
Make, so that executing the first step during executing the second step；And
Removal device is set, after the molten metal is injected the mold in the third step, prevents from scratching
Remove the residue remained in the melting plant to the bottom surface of the melting plant.
2. a kind of method for manufacturing lead-acid accumulator electrode group, wherein forming the ear for connecting multiple same polarity electrodes
Busbar connector, which comprises
Lead made of lead or metal is tentatively heated to the unfused temperature of lead in warm table, by the lead after preliminary heating
Temperature be adjusted to 280 DEG C~320 DEG C range first step；
The lead after the preliminary heating is heated to the temperature for making lead be fused into molten metal by melting plant, will be melted
The temperature of metal is adjusted to the second step of 480 DEG C~520 DEG C of range；And
The molten metal is injected into mold and immerses the ear in the molten metal in the mold to be formed
State the third step of busbar connector, in which:
The first step is executed during executing the second step,
Removal device is set, after the molten metal is injected the mold in the third step, prevents from scratching
Remove the residue remained in the melting plant to the bottom surface of the melting plant.
3. the method for manufacture lead-acid accumulator electrode group according to claim 2, in which:
First transport device is set, is transported to described first will not be preliminarily heated the lead in the first step
The warm table in step；
Second transport device is set, the lead after tentatively heating in the first step is transported to the second step
The melting plant in rapid；And
The behaviour that the lead after the preliminary heating is transported to the melting plant executed with second transport device
It links, first transport device starts the behaviour for not being preliminarily heated the lead and being transported to the warm table
Make.
4. the method for manufacture lead-acid accumulator electrode group according to claim 3, in which:
After the lead after the preliminary heating is transported to the melting plant by second transport device, described
One transport device starts the operation for not being preliminarily heated the lead and being transported to the warm table.
5. the method for manufacture lead-acid accumulator electrode group according to claim 3, in which:
It is described while the lead after the preliminary heating is transported to the melting plant by second transport device
First transport device is not preliminarily heated described the lead and is transported to the warm table.
6. the method for manufacture lead-acid accumulator electrode group according to any one of claims 1 to 5, in which:
Controller is set, when adjusting the preliminarily heated heating temperature executed in the first step and heating
Between, and the heating temperature of the heating executed in the second step and heating time.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-000930 | 2013-01-08 | ||
| JP2013000930 | 2013-01-08 | ||
| CN201480002463.XA CN104662709A (en) | 2013-01-08 | 2014-01-07 | Method for manufacturing electrode plate group for lead-acid battery |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201480002463.XA Division CN104662709A (en) | 2013-01-08 | 2014-01-07 | Method for manufacturing electrode plate group for lead-acid battery |
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| CN110010835A true CN110010835A (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480002463.XA Pending CN104662709A (en) | 2013-01-08 | 2014-01-07 | Method for manufacturing electrode plate group for lead-acid battery |
| CN201811426221.XA Pending CN110010835A (en) | 2013-01-08 | 2014-01-07 | The method for manufacturing lead-acid accumulator electrode group |
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| CN201480002463.XA Pending CN104662709A (en) | 2013-01-08 | 2014-01-07 | Method for manufacturing electrode plate group for lead-acid battery |
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|---|---|
| JP (1) | JP6107835B2 (en) |
| CN (2) | CN104662709A (en) |
| WO (1) | WO2014109315A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899668A (en) * | 2019-12-16 | 2020-03-24 | 天能电池(芜湖)有限公司 | Cast-weld production process of storage battery without soldering flux |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465427A (en) * | 2018-12-27 | 2019-03-15 | 天能电池(芜湖)有限公司 | A kind of control method promoting casting rate |
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| JPH04137461A (en) * | 1990-09-28 | 1992-05-12 | Shin Kobe Electric Mach Co Ltd | Manufacture of lead storage battery plate group |
| CN1279293A (en) * | 1999-06-25 | 2001-01-10 | 泰斯特·卡姆帕尼亚国际技术公开有限公司 | Method and apparatus for electric steel production having continuously preheating, smelting, refining and casting processes |
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| JPH02257568A (en) * | 1989-03-30 | 1990-10-18 | Shin Kobe Electric Mach Co Ltd | Manufacture of electrode plate group for lead-acid battery |
| JP3526730B2 (en) * | 1997-09-05 | 2004-05-17 | 松下電器産業株式会社 | Manufacturing equipment for electrode assembly for lead-acid batteries |
| JP3796617B2 (en) * | 1998-10-23 | 2006-07-12 | 日本坩堝株式会社 | Melting and holding furnace such as aluminum ingot |
| JP2000231916A (en) * | 1999-02-10 | 2000-08-22 | Shin Kobe Electric Mach Co Ltd | Apparatus and method for welding lead-acid battery electrode plate group |
| US6155333A (en) * | 1999-02-23 | 2000-12-05 | Techint Compagnia Tecnica Internazionale | Continuous electric steelmaking with charge preheating, melting, refining and casting |
| CN100451143C (en) * | 2006-12-30 | 2009-01-14 | 武汉重工铸锻有限责任公司 | Process of smelting copper alloy by steel ladle refining furance |
| CN102758115A (en) * | 2011-04-25 | 2012-10-31 | 蔡家源 | Manufacturing method for lightweight aluminum-based composite material hub |
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2014
- 2014-01-07 CN CN201480002463.XA patent/CN104662709A/en active Pending
- 2014-01-07 WO PCT/JP2014/050081 patent/WO2014109315A1/en active Application Filing
- 2014-01-07 JP JP2014556416A patent/JP6107835B2/en active Active
- 2014-01-07 CN CN201811426221.XA patent/CN110010835A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04137461A (en) * | 1990-09-28 | 1992-05-12 | Shin Kobe Electric Mach Co Ltd | Manufacture of lead storage battery plate group |
| CN1279293A (en) * | 1999-06-25 | 2001-01-10 | 泰斯特·卡姆帕尼亚国际技术公开有限公司 | Method and apparatus for electric steel production having continuously preheating, smelting, refining and casting processes |
| CN1300864A (en) * | 2000-11-23 | 2001-06-27 | 李道韫 | Process for preparing foam metal |
| CN1396017A (en) * | 2002-08-20 | 2003-02-12 | 江苏兴荣高新科技股份有限公司 | Technology for conticasting composite hollow pipe blank |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110899668A (en) * | 2019-12-16 | 2020-03-24 | 天能电池(芜湖)有限公司 | Cast-weld production process of storage battery without soldering flux |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2014109315A1 (en) | 2017-01-19 |
| JP6107835B2 (en) | 2017-04-05 |
| CN104662709A (en) | 2015-05-27 |
| WO2014109315A1 (en) | 2014-07-17 |
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Application publication date: 20190712 |