CN112151772B - Processing method for pouring polar plate of lead-acid storage battery - Google Patents

Processing method for pouring polar plate of lead-acid storage battery Download PDF

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Publication number
CN112151772B
CN112151772B CN202010969379.2A CN202010969379A CN112151772B CN 112151772 B CN112151772 B CN 112151772B CN 202010969379 A CN202010969379 A CN 202010969379A CN 112151772 B CN112151772 B CN 112151772B
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Prior art keywords
polar plate
cutting
conveying
wet
lead
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CN112151772A (en
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陈亮
杨桂锋
贾庆虎
洪坤
张辉
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JIANGSU YONGDA POWER INDUSTRY CO LTD
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JIANGSU YONGDA POWER INDUSTRY CO LTD
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • H01M4/16Processes of manufacture
    • H01M4/20Processes of manufacture of pasted electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • H01M4/16Processes of manufacture
    • H01M4/20Processes of manufacture of pasted electrodes
    • H01M4/21Drying of pasted electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • H01M4/16Processes of manufacture
    • H01M4/22Forming of electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention discloses a processing method for pouring a polar plate of a lead-acid storage battery, and relates to a processing and forming method for the polar plate in the lead-acid storage battery. A processing method for pouring a polar plate of a lead-acid storage battery comprises the following steps: (1) filling lead plaster on a large plate grid which is not cut to form a wet plate; (2) laminating, namely folding the surface of the wet polar plate filled with the lead paste into two sides and laminating the two sides of the wet polar plate (the center line of the film is folded into two, and the film covers the upper surface and the lower surface of the grid at the same time); (3) cutting, namely continuously cutting the large wet polar plate after the film is coated; (4) drying, and drying the surface of the wet polar plate after slitting. The large grid which is not cut is a grid-shaped grid, the grid can be cut into 4 finished plates with the same size, and concave cutting grooves are formed among the finished plates for convenient cutting; the two ends of the two sides of the grid are respectively provided with a lug, and the two lugs of each are connected by a poured edge strip.

Description

Processing method for pouring polar plate of lead-acid storage battery
Technical Field
The invention discloses a processing method for pouring a polar plate of a lead-acid storage battery, and relates to a processing and forming method for the polar plate in the lead-acid storage battery.
Background
In the process of manufacturing the cast pole plate coating plate of the lead-acid storage battery at present, lead plaster is generally filled and coated on a large plate grid, and then surface acid spraying, surface drying, curing and drying are carried out, so that the large pole plate is produced. Because the production mode needs surface acid spraying and cuts the large-sheet polar plate after drying, waste sulfuric acid and lead plaster particles can be generated in the cutting process, the residual lead plaster particle residues easily cause battery short circuit to influence the quality, and the waste sulfuric acid and lead plaster particles can also cause dangerous waste pollution; on the other hand, the operation of the wafer separator consumes a great deal of manpower. All that is necessary is to design a new production method to meet the actual demand.
Disclosure of Invention
In view of the above, the invention provides a processing method for pouring a polar plate of a lead-acid storage battery, which has the advantages of high efficiency, no pollution and labor saving compared with the existing production method, and has good use and popularization values.
A processing method for pouring a polar plate of a lead-acid storage battery comprises the following steps:
(1) filling and painting
Lead plaster is filled on a large plate grid which is not cut to form a wet plate;
(2) film coating
Folding and coating a double-sided film on the surface of the wet polar plate filled with the lead paste (the center line of the film is folded, and the film covers the upper surface and the lower surface of the grid at the same time);
(3) Slitting machine
Continuously slitting the large wet polar plate after the film is coated;
(4) drying
And drying the surface of the cut small wet polar plate.
The large grid which is not cut is a grid-shaped grid, the grid can be cut into 4 finished plates with the same size, and concave cutting grooves are formed among the finished plates for convenient cutting; the both ends in the both sides of grid are provided with utmost point ear respectively, and two utmost point ears of every all have the strake of pouring to connect, have banding indenture between strake and the utmost point ear for conveniently cut.
The film material of the film is wood pulp paper or AGM separator.
In the step (2), the wet polar plate finishes film coating on the surface through a negative pressure device, the negative pressure device is a vacuum pump, and the vacuum pump forms vacuum to adsorb the film material on the surface of the wet polar plate.
In the step (2), after the film coating on the surface of the wet polar plate is finished, a pressing roller or a brush is further used for removing a gap between the film material and the wet polar plate and removing air between the film material and the wet polar plate; the pressing roller is preferably used for pressing and exhausting, the exhausting effect is better compared with a brush, and the flatness of the surface of the wet polar plate can be better ensured after the pressing roller rolls;
furthermore, after the surface of the wet polar plate is coated with the film, the brush is used for preliminary exhaust, and then the compressing roller is used for further exhaust and rolling the coated wet polar plate.
The slitting devices utilized by the invention are a slitting device I for cutting a large plate respectively and a slitting device II for further cutting the plate respectively;
the first cutting device is provided with a first conveying device, a first abutting positioning block is arranged on the upper surface of the first conveying device, first positioning strips which are parallel to each other are arranged on two sides of the first conveying device, 3 first cutting devices which are arranged at equal intervals are arranged at the tail end of the first cutting device, and the cutting direction of the first cutting devices is parallel to the conveying direction of the first conveying device and is used for respectively cutting dents of the pole lugs on two sides and cutting grooves in the middle of two pole plates.
The first conveying device is a conveying chain or a conveying belt, preferably a conveying chain, the number of the conveying chains is two, and a first corresponding abutting positioning block is fixedly mounted on each conveying chain; the first conveying device is connected with a servo motor in a power mode and used for controlling the conveying direction and speed.
And the second cutting device is provided with a second conveying device, a second abutting positioning block is arranged on the upper surface of the second conveying device, two positioning strips which are parallel to each other are arranged on two sides of the second conveying device, a second shearing device is arranged at the tail end of the second cutting device, and the shearing direction of the second shearing device is perpendicular to the conveying direction of the second conveying device and is used for shearing the cutting grooves in the middle of the two polar plates.
The second conveying device is a conveying chain or a conveying belt, preferably a conveying chain, the number of the conveying chains is two, and each conveying chain is fixedly provided with a corresponding abutting positioning block II; and the second conveying device is connected with a servo motor in a power mode and used for controlling the conveying direction and speed.
The invention not only improves the product performance, but also can realize the purposes of reducing the loss of production raw materials, reducing the energy consumption of the process, reducing the environmental-friendly emission index, reducing the number of lead-related workers and the like in the production process, and the application of the process is verified by measurement and calculation to reduce the raw material waste in the production process, and the expected production amount of solid waste of each production line can be reduced by 171 tons/month, the environmental-friendly emission can be reduced by 20T/year, and the number of lead-related workers in workshops can be reduced by 34.59%. Has good use and popularization value.
Drawings
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic diagram of the working steps of the processing method for pouring the polar plate of the lead-acid storage battery.
FIG. 2 is a schematic structural diagram of a large blank plate in the processing method of the cast plate of the lead-acid storage battery.
FIG. 3 is a schematic diagram of a pole plate finished product obtained by shearing a large blank pole plate into small pieces in the processing method of the cast pole plate of the lead-acid storage battery.
Fig. 4 is a schematic structural view of a first slitting device utilized by the invention.
Fig. 5 is a schematic structural view of a second slitting device utilized by the invention.
Fig. 6 is a comparison graph of discharge time ratio of the film-coated battery processed by the processing method of the cast-in-place polar plate of the lead-acid storage battery and the conventional battery.
Detailed Description
Referring to the attached figures 1-6, a method for processing a cast polar plate of a lead-acid storage battery comprises the following steps:
(1) filling and coating
Filling lead paste on a large grid which is not cut to form a wet polar plate;
(2) film coating
Folding and coating a double-sided film on the surface of the wet polar plate filled with the lead paste (the center line of the film is folded, and the film covers the upper surface and the lower surface of the grid at the same time);
(3) slitting machine
Continuously slitting the large wet polar plate after the film is coated;
(4) drying
And drying the surface of the cut small wet polar plate.
The plate grid which is not cut is in a grid shape, and can be cut into 4 finished plates 1 with the same size, and concave cutting grooves 2 are formed among the finished plates 1 and are used for conveniently cutting; the two ends of the two sides of the blank pole plate are respectively provided with a pole lug 3, each two pole lugs 3 are connected by a poured edge strip 4, and a strip-shaped dent 5 is arranged between the edge strips 4 and the pole lugs 3 and used for conveniently cutting.
The film material of the film is wood pulp paper or AGM separator.
In the step (2), the wet polar plate finishes the film coating on the surface through a negative pressure device, the negative pressure device is a vacuum pump, and the vacuum pump forms vacuum to adsorb the film material on the surface of the wet polar plate.
In the step (2), after the surface of the wet polar plate is coated with the film, a pressing roller or a brush is further used for removing a gap between the film material and the wet polar plate and removing air between the film material and the wet polar plate; preferably, the compressing roller is used for compressing and exhausting, compared with a brush, the exhausting effect is better, and after the compressing roller rolls, the flatness of the surface of the wet polar plate can be better ensured;
furthermore, after the surface of the wet polar plate is coated with the film, the brush is used for preliminary exhausting, and then the compression roller is used for further exhausting and rolling the coated wet polar plate.
The cutting devices utilized by the invention are a first cutting device for cutting a large blank pole plate and a second cutting device for further cutting the blank pole plate;
the first cutting device is provided with a first conveying device 6, a first abutting positioning block 7 is arranged on the upper surface of the first conveying device 6, positioning strips 8 which are parallel to each other are arranged on two sides of the first conveying device, a first cutting device 9 with 3 pieces arranged at equal intervals is arranged at the tail end of the first cutting device, and the cutting direction of the first cutting device 9 is parallel to the conveying direction of the first conveying device 6 and is used for cutting dents 5 of lugs 3 on two sides and cutting grooves 2 in the middle of two polar plates respectively.
The first conveying device 6 is a conveying chain or a conveying belt, preferably a conveying chain, the number of the conveying chains is two, and a corresponding abutting positioning block I7 is fixedly mounted on each conveying chain; the first conveying device 6 is connected with a servo motor in a power mode and used for controlling the conveying direction and speed.
And the second cutting device is provided with a second conveying device 10, a second abutting positioning block 11 is arranged on the upper surface of the second conveying device 10, two positioning strips 12 which are parallel to each other are arranged on two sides of the second conveying device, a second cutting device 13 is arranged at the tail end of the second cutting device, and the cutting direction of the second cutting device 13 is perpendicular to the conveying direction of the second conveying device 10 and is used for cutting the cutting grooves 2 in the middle of the two polar plates.
The second conveying device 10 is a conveying chain or a conveying belt, preferably a conveying chain, the number of the conveying chains is two, and each conveying chain is fixedly provided with a corresponding second abutting positioning block 11; the second conveying device 10 is connected with a servo motor in a power mode and used for controlling the conveying direction and speed.
The battery has the advantages of ingenious conception, convenient use, high efficiency and cost saving, and experiments prove that the battery has better performance than the battery in the conventional process (refer to figure 6), the battery adopting the process still has the discharge performance of over 120min after 200 cycles, which exceeds the conventional process by 5-10min, and better use experience is provided for terminal users.

Claims (4)

1. A processing method for pouring a polar plate of a lead-acid storage battery is characterized by comprising the following steps:
(1) filling and painting
Lead plaster is filled on a large plate grid which is not cut to form a wet plate;
(2) film coating
Doubling the surface of the wet polar plate filled with the lead paste, and coating a film on the double surfaces;
(3) slitting
Continuously slitting the large wet polar plate after the film is coated;
(4) drying
Drying the surface of the cut small wet polar plate;
in the step (2), the wet polar plate finishes film coating on the surface through a negative pressure device, the negative pressure device is a vacuum pump, and the vacuum pump forms vacuum to adsorb the film material on the surface of the wet polar plate;
in the step (2), after the film coating on the surface of the wet polar plate is finished, a pressing roller or a brush is further used for removing a gap between the film material and the wet polar plate and removing air between the film material and the wet polar plate;
the processing equipment of the method for processing the cast polar plate of the lead-acid storage battery comprises the following steps: the utilized cutting devices are a first cutting device for cutting a large sheet of blank pole plate and a second cutting device for further cutting the blank pole plate;
the first cutting device is provided with a first conveying device, abutting positioning blocks I are arranged on the upper surface of the first conveying device, positioning strips I which are parallel to each other are arranged on two sides of the first conveying device, 3 first cutting devices which are arranged at equal intervals are arranged at the tail end of the first cutting device, and the cutting direction of the first cutting devices is parallel to the conveying direction of the first conveying device and is used for cutting dents of lugs on two sides and cutting grooves in the middle of two polar plates respectively;
The first conveying device is a conveying chain or a conveying belt, the number of the conveying chains is two, and a first corresponding abutting positioning block is fixedly mounted on each conveying chain; the first conveying device is in power connection with a servo motor and is used for controlling the conveying direction and speed;
the second cutting device is provided with a second conveying device, a second abutting positioning block is arranged on the upper surface of the second conveying device, two positioning strips which are parallel to each other are arranged on two sides of the second conveying device, a second shearing device is arranged at the tail end of the second cutting device, and the shearing direction of the second shearing device is perpendicular to the conveying direction of the second conveying device and is used for shearing the cutting grooves in the middle of the two polar plates;
the second conveying device is a conveying chain or a conveying belt, the number of the conveying chains is two, and a corresponding abutting positioning block II is fixedly installed on each conveying chain; the second conveying device is connected with a servo motor in a power mode and used for controlling the conveying direction and speed.
2. The processing method of the cast polar plate of the lead-acid storage battery according to claim 1, is characterized by comprising the following steps: the large-piece blank polar plate which is not cut is a grid-shaped blank polar plate, the blank polar plate can be cut into 4 finished polar plates with the same size, and concave cutting grooves are formed between the finished polar plates for convenient cutting; the two ends of the two sides of the blank pole plate are respectively provided with a pole lug, the two pole lugs of each pole lug are connected through poured edge strips, and strip-shaped dents are arranged between the edge strips and the pole lugs and used for convenient cutting.
3. The machining method for the cast polar plate of the lead-acid storage battery according to claim 1 is characterized by comprising the following steps of: the film material of the film is wood pulp paper or AGM separator.
4. The machining method for the cast polar plate of the lead-acid storage battery according to claim 1 is characterized by comprising the following steps of: after the film coating is finished on the surface of the wet polar plate, the brush is used for preliminary exhaust, and then the compressing roller is used for further exhaust and rolling the coated wet polar plate.
CN202010969379.2A 2020-09-15 2020-09-15 Processing method for pouring polar plate of lead-acid storage battery Active CN112151772B (en)

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Application Number Priority Date Filing Date Title
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CN112151772B true CN112151772B (en) 2022-06-28

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109148971A (en) * 2018-08-06 2019-01-04 骆驼集团襄阳蓄电池有限公司 A method of promoting AGM start and stop battery high temperature resistance
CN110459734A (en) * 2019-07-31 2019-11-15 浙江天能动力能源有限公司 A kind of continous way of battery pole plate in flakes covers paper cutting device
CN111180675A (en) * 2020-03-11 2020-05-19 江苏东顺新能源科技有限公司 Production method of continuous grid and lead-acid storage battery plate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210516869U (en) * 2019-08-23 2020-05-12 天能集团贵州能源科技有限公司 Lead accumulator plate drenches sour device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109148971A (en) * 2018-08-06 2019-01-04 骆驼集团襄阳蓄电池有限公司 A method of promoting AGM start and stop battery high temperature resistance
CN110459734A (en) * 2019-07-31 2019-11-15 浙江天能动力能源有限公司 A kind of continous way of battery pole plate in flakes covers paper cutting device
CN111180675A (en) * 2020-03-11 2020-05-19 江苏东顺新能源科技有限公司 Production method of continuous grid and lead-acid storage battery plate

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