CN108963180A - A kind of compaction apparatus of powdered battery electrode material - Google Patents
A kind of compaction apparatus of powdered battery electrode material Download PDFInfo
- Publication number
- CN108963180A CN108963180A CN201710359546.XA CN201710359546A CN108963180A CN 108963180 A CN108963180 A CN 108963180A CN 201710359546 A CN201710359546 A CN 201710359546A CN 108963180 A CN108963180 A CN 108963180A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- cylinder
- compaction
- electrode material
- punching column
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005056 compaction Methods 0.000 title claims abstract description 54
- 239000007772 electrode material Substances 0.000 title claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 238000004080 punching Methods 0.000 claims description 32
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- -1 comprising: rack Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 20
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 101100014158 Caenorhabditis elegans rack-1 gene Proteins 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910002993 LiMnO2 Inorganic materials 0.000 description 1
- 229910003005 LiNiO2 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
-
- 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
- H01M4/06—Electrodes for primary cells
- H01M4/08—Processes of manufacture
-
- 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
Landscapes
- 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 present invention relates to a kind of compaction apparatus of powdered battery electrode material.It is characterized in that, gas pressure regulating device is connected above compaction tool, first oil cylinder top is equipped with compressed air inlet port, T-shape piston is equipped with inside first oil cylinder, it is connected between first oil cylinder lower part and the second oil cylinder top by oil permeable hole, it is connected between second oil cylinder, cylinder and compaction tool by " dry " font piston, cylinder upper and lower part is respectively equipped with compressed air inlet port and exhaust outlet.The present invention by compaction tool will obtain the application pressure of very great dynamics, and automatic operation control easy to implement.
Description
Technical field
The present invention relates to battery electrode material processing equipment technical fields, and in particular to a kind of powdered battery electrode material
Compaction apparatus.
Background technique
In recent years, stratiform nickel-cobalt lithium manganate material is because of its higher specific capacity, lower cost and preferable safety etc.
Advantage, and can make up and mend LiCoO2 、LiNiO2And LiMnO2The shortcomings that, it is increasingly becoming field of lithium ion battery anode
The hot spot of research.
Combustion method is a kind of new synthetic method for preparing material, can not only make each element reach molecular level other mixed
It closes, avoids the segregation of element, and preparation process, without adjusting pH etc., preparation process is simple to operation.Self-propagating combustion work
Skill is the improvement to traditional combustion technique, and during the preparation process without adding any combustion adjuvant, added raw material is low point
The chemicals for solving temperature, can be so that reaction be sufficiently quickly complete by itself decomposing the heat released during heating
At.But raw material burns rapidly in preparation process, generates bulk gas, if prepared product bulk multi-hole and particle diameter compared with
Small, then tap density is lower, to influence battery post-production, reduces the energy density of product, to need to electrode material
Material is compacted, therefore, to assure that cake of press even density.
Compacting device in currently available technology mostly uses greatly machinery pressure rod-type, can not be precisely controlled to pressure.Compacting
In the process, if compressed gas is directly applied in compaction tool, if compressed gas pressure transient, will affect pressure
The uniformity of cake density, and it is difficult to carry out the automatic operation control of compaction apparatus.
Summary of the invention
The purpose of the present invention is to solve the above problem, and providing one kind can ensure that cake of press even density and easily implement certainly
The compaction apparatus of dynamicization operation control.
To solve the above-mentioned problems, The technical solution adopted by the invention is as follows:
A kind of compaction apparatus of powdered battery electrode material, comprising: rack, gas pressure regulating device, compaction tool, bottom
Seat, pedestal centre are equipped with groove, and pedestal two sides are equipped with hydraulically extensible shoring, and hydraulically extensible shoring lower end is fixed on pedestal
On, the compaction tool quadrangle is fixed on the telescopic rod of hydraulically extensible shoring by fixing sleeve, which is characterized in that compacting mould
Tool top connects gas pressure regulating device, and the gas pressure regulating device includes the first oil cylinder, the second oil cylinder, cylinder, the
One oil cylinder top is equipped with compressed air inlet port and exhaust outlet, is equipped with T-shape piston inside the first oil cylinder, the first oil cylinder lower part and
It is connected between second oil cylinder top by oil permeable hole, is connected between the second oil cylinder, cylinder and compaction tool by " dry " font piston
It connects, " dry " font piston connects lower part and is equipped with two-way oil valve, cylinder upper and lower part difference on the piston in the second oil cylinder
Equipped with compressed air inlet port and exhaust outlet, valve is respectively provided on each exhaust outlet.
Optimization of the invention is respectively equipped with gas flow regulating valve on the pipeline of compressed air inlet port connection, the second oil
Cylinder is equipped with pressure gauge.
It advanced optimizes, compaction tool lower part is equipped with punching column.
It advanced optimizes, compaction tool includes that the punching column inside the hollow cylinder pressure of cylindrical and cylinder pressure of upper opening is fixed
Seat, punching column fixing seat lower section are equipped with punching column, and punching column fixing seat side is fixedly connected with cylinder pressure side wall by screw thread, is punched
It is equipped with rotating electric machine at the top of column fixing seat, during rotating electric machine positive and negative rotation, punching column fixing seat is moved up and down, when punching column
When fixing seat moves down, punching column passes through the perforation of cylinder pressure bottom.
It advanced optimizes, screw thread is removable between punching column and compaction tool is fixedly connected.
It advanced optimizes, punching column end is circle.
It advanced optimizes, bottom of the frame is equipped with that adjustable compaction apparatus is steady and the spiral footed glass of height.
The operation principle of the present invention is that:
First oil cylinder and the compressed air inlet port on cylinder top enter compressed gas, at this time the Exhaust Open below cylinder,
Hydraulic oil in first oil cylinder is entered by oil permeable hole above the piston of the second oil cylinder, the pressure of the first oil cylinder and the second oil cylinder top
Contracting air is finally transferred on " dry " font piston, and " dry " font piston is moved down and applied pressure in compaction tool.
The compressed air inlet port of cylinder lower part enters compressed gas, at this time the Exhaust Open above cylinder, the second oil
Hydraulic oil above the piston of cylinder is backed into the first oil cylinder by oil permeable hole, and the piston in cylinder is upwarded pressure,
" dry " font piston moves up and compaction tool is driven to move upwards.
The transmission of maximum pressure can be achieved in the present invention, transmits pressure F=(P in compaction tool0*S1/S2) *S4+P0*
S3, P0For the pressure of compressed air, S1For T-shape upper piston area piston area, S2For T-shape piston lower portion rod areas, S4
For " do " font piston lower portion be set to the second oil cylinder in piston area, S3For " do " font upper piston area be set to cylinder in piston area
Product, due to S1Much larger than S2, S4Greater than S1, therefore " do " the application pressure of the available very great dynamics of font piston base piston rod.
Advantageous effects of the invention are as follows:
It is transmitted by the pressure and pressure of gas pressure regulating device, the application pressure of the available very great dynamics of compaction tool；
And the automatic operation control for moving down, moving up by gas pressure regulating device compaction tool easy to implement.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the compaction apparatus of powdered battery electrode material of the present invention；
Fig. 2 is the structural schematic diagram of gas pressure regulating device of the present invention；
Fig. 3 is the structural schematic diagram of compaction tool of the present invention；
Description of symbols: rack -1, spiral footed glass -11, gas pressure regulating device -2, the first oil cylinder -21, T-shape piston -
212, oil permeable hole -213, the second oil cylinder -22, " do " font piston -221, two-way oil valve -222, cylinder -23, compaction tool -
3, column -31, cylinder pressure -32, punching column fixing seat -33, rotating electric machine -34, pedestal -4, groove -41, hydraulically extensible support are punched
Cylinder -5, gas flow regulating valve -6, pressure gauge -7.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to fig. 1 and shown in Fig. 2, the present invention provides a kind of compaction apparatus of powdered battery electrode material, comprising: rack
1, gas pressure regulating device 2, compaction tool 3, pedestal 4, groove 41 is equipped among pedestal 4, and 4 two sides of pedestal are equipped with hydraulically extensible
Shoring 5,5 lower end of hydraulically extensible shoring are fixed on pedestal 4, and 3 two sides of compaction tool are fixed on liquid by fixing sleeve
On the telescopic rod of pressure stretch contracting shoring 5, which is characterized in that connect gas pressure regulating device 2, the gas above compaction tool 3
Body pressure-regulating device 2 include Ffirst cylinder 21, the second oil cylinder 22, cylinder 23,1 top of Ffirst cylinder 2 be equipped with compressed air into
Port and exhaust outlet, are equipped with T-shape piston 212 inside Ffirst cylinder 21, on 1 lower part of Ffirst cylinder 2 and the second oil cylinder 22 it
Between connected by oil permeable hole 213, the second oil cylinder 22, cylinder 23, between compaction tool 3 by the connection of " dry " font piston 221,
" dry " font piston connects lower part and is equipped with two-way oil valve 222,23 upper and lower part of cylinder point on the piston in the second oil cylinder
Not She You compressed air inlet port and exhaust outlet, be respectively provided with valve on each exhaust outlet.
It is transmitted by the pressure and pressure of gas pressure regulating device, the application pressure of the available very great dynamics of compaction tool
Power；And the automatic operation control for moving down, moving up by gas pressure regulating device compaction tool easy to implement.
In order to accurately control 3 pressure applied of compaction tool, the optimization of above-mentioned specific embodiment, compressed air
Gas flow regulating valve 6 is respectively equipped on the pipeline of air inlet connection, the second oil cylinder 22 is equipped with pressure gauge 7.
The lower defect of tap density of material is prepared in order to solve self-propagating combustion technique, while solving nickle cobalt lithium manganate
Oxygen content caused by material thickness is too big in sintering process is unevenly distributed and the problem of material uneven heating, can beat on cake of press
Hole.Above-mentioned specific embodiment advanced optimizes, and 3 lower part of compaction tool is equipped with punching column 31.
If electrode material, before compacting, punching column first protrudes into electrode material, then implements compacting operation, it will cause
Cake of press presses not firm, final cake of press Density inhomogeneity at adjacent pores.In order to solve this problem, above-mentioned specific embodiment is further excellent
Change, the hollow cylinder pressure 32 of cylindrical and the punching column fixing seat 33 inside cylinder pressure 32 that compaction tool 3 includes upper opening punch column
Punching column 31 is equipped with below fixing seat 33, punching 33 side of column fixing seat is fixedly connected with 32 side wall of cylinder pressure by screw thread, is punched
Rotating electric machine 34 is equipped at the top of column fixing seat 33, during 34 positive and negative rotation of rotating electric machine, punching column fixing seat 33 is moved up and down,
When punching column fixing seat 33 moves down, punching column 31 passes through the perforation of 32 bottom of cylinder pressure.Compaction tool is first compacted electrode material,
Then under rotating electric machine drive, punching column fixing seat is moved down, and punches column to cake of press turn hole.
Column is punched for the ease of replacement, is advanced optimized, punches the removable fixation of screw thread between column 31 and compaction tool 3 even
It connects.
It in order to implement quickly to punch, and punches mellow and full, advanced optimizes, punching 31 end of column is circle.
If rack 1 is unstable, it will affect compaction and the uniformity of cake of press, advanced optimize, 1 bottom of rack is set
There is adjustable compaction apparatus steady and the spiral footed glass 11 of height.
The basic principles, main features and advantages of the present invention have been shown and described above.The technical staff of the industry
It should be appreciated that the present invention is not limited to the above embodiments, the description in above embodiments and description is only of the invention excellent
Example is selected, the present invention is not limited by above-mentioned preference, and without departing from the spirit and scope of the present invention, the present invention may be used also
There are various changes and modifications, these changes and improvements are both fallen in the scope of protection of present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of compaction apparatus of powdered battery electrode material, comprising: rack, gas pressure regulating device, compaction tool, bottom
Seat, pedestal centre are equipped with groove, and pedestal two sides are equipped with hydraulically extensible shoring, and hydraulically extensible shoring lower end is fixed on pedestal
On, the compaction tool quadrangle is fixed on the telescopic rod of hydraulically extensible shoring by fixing sleeve, which is characterized in that compacting mould
Tool top connects gas pressure regulating device, and the gas pressure regulating device includes the first oil cylinder, the second oil cylinder, cylinder, the
One oil cylinder top is equipped with compressed air inlet port and exhaust outlet, is equipped with T-shape piston inside the first oil cylinder, the first oil cylinder lower part and
It is connected between second oil cylinder top by oil permeable hole, is connected between the second oil cylinder, cylinder and compaction tool by " dry " font piston
It connects, " dry " font piston connects lower part and is equipped with two-way oil valve, cylinder upper and lower part difference on the piston in the second oil cylinder
Equipped with compressed air inlet port and exhaust outlet, valve is respectively provided on each exhaust outlet.
2. a kind of compaction apparatus of powdered battery electrode material according to claim 1, which is characterized in that compressed air
Gas flow regulating valve is respectively equipped on the pipeline of air inlet connection, the second oil cylinder is equipped with pressure gauge.
3. a kind of compaction apparatus of powdered battery electrode material according to claim 1, which is characterized in that compaction tool
Lower part is equipped with punching column.
4. a kind of compaction apparatus of powdered battery electrode material according to claim 3, which is characterized in that compaction tool
Punching column fixing seat inside the hollow cylinder pressure of cylindrical including upper opening and cylinder pressure, punching column fixing seat lower section are equipped with punching
Column, punching column fixing seat side are fixedly connected by screw thread with cylinder pressure side wall, and rotating electric machine, rotation are equipped at the top of punching column fixing seat
During rotating motor positive and negative rotation, punching column fixing seat is moved up and down, and when punching column fixing seat moves down, punching column passes through cylinder pressure
The perforation of bottom.
5. a kind of compaction apparatus of powdered battery electrode material according to claim 3, which is characterized in that punching column with
Screw thread is removable between compaction tool is fixedly connected.
6. a kind of compaction apparatus of powdered battery electrode material according to claim 3, which is characterized in that punching styletable
Portion is circle.
7. a kind of compaction apparatus of powdered battery electrode material according to claim 1, which is characterized in that bottom of the frame
Equipped with adjustable compaction apparatus is steady and the spiral footed glass of height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359546.XA CN108963180B (en) | 2017-05-19 | 2017-05-19 | Compacting device for powdery battery electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359546.XA CN108963180B (en) | 2017-05-19 | 2017-05-19 | Compacting device for powdery battery electrode material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108963180A true CN108963180A (en) | 2018-12-07 |
| CN108963180B CN108963180B (en) | 2024-01-12 |
Family
ID=64461575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359546.XA Active CN108963180B (en) | 2017-05-19 | 2017-05-19 | Compacting device for powdery battery electrode material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108963180B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611077A (en) * | 2019-10-31 | 2019-12-24 | 双洎能源(洛阳)有限公司 | Lithium manganese anode processing device |
| CN112606468A (en) * | 2020-11-06 | 2021-04-06 | 齐鲁工业大学 | Automatic compaction device of negative electrode material for lithium ion battery production |
| CN113809277A (en) * | 2021-09-10 | 2021-12-17 | 武汉昊诚锂电科技股份有限公司 | Lithium battery powder material tool equipment |
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| CN201736449U (en) * | 2010-07-27 | 2011-02-09 | 宁波市北仑新港冶金机械有限公司 | Reset cylinder of powder mill |
| CN204414522U (en) * | 2014-12-15 | 2015-06-24 | 杨福春 | A kind of pneumohydraulic pressure-cylinder for low-pressure injection molding machine |
| CN204958990U (en) * | 2015-08-31 | 2016-01-13 | 爱协林热处理系统(北京)有限公司 | Limit shape is pressed to quench and is used quenching press |
| CN105443461A (en) * | 2016-01-05 | 2016-03-30 | 谭伟雄 | Pneumatic-hydraulic pressure cylinder with multiple times of prepressing and pressure boosting and working method thereof |
| CN206878093U (en) * | 2017-05-19 | 2018-01-12 | 中航信诺（营口）高新技术有限公司 | A kind of compaction apparatus of powdered battery electrode material |
-
2017
- 2017-05-19 CN CN201710359546.XA patent/CN108963180B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1441977A (en) * | 1973-11-02 | 1976-07-07 | Spenklin Ltd | Air-hydraulic pressure intensifying devices |
| CN201736449U (en) * | 2010-07-27 | 2011-02-09 | 宁波市北仑新港冶金机械有限公司 | Reset cylinder of powder mill |
| CN204414522U (en) * | 2014-12-15 | 2015-06-24 | 杨福春 | A kind of pneumohydraulic pressure-cylinder for low-pressure injection molding machine |
| CN204958990U (en) * | 2015-08-31 | 2016-01-13 | 爱协林热处理系统(北京)有限公司 | Limit shape is pressed to quench and is used quenching press |
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| CN206878093U (en) * | 2017-05-19 | 2018-01-12 | 中航信诺（营口）高新技术有限公司 | A kind of compaction apparatus of powdered battery electrode material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611077A (en) * | 2019-10-31 | 2019-12-24 | 双洎能源(洛阳)有限公司 | Lithium manganese anode processing device |
| CN110611077B (en) * | 2019-10-31 | 2023-06-13 | 双洎能源(洛阳)有限公司 | Lithium manganese positive electrode processing device |
| CN112606468A (en) * | 2020-11-06 | 2021-04-06 | 齐鲁工业大学 | Automatic compaction device of negative electrode material for lithium ion battery production |
| CN112606468B (en) * | 2020-11-06 | 2022-04-19 | 齐鲁工业大学 | Automatic compaction device of negative electrode material for lithium ion battery production |
| CN113809277A (en) * | 2021-09-10 | 2021-12-17 | 武汉昊诚锂电科技股份有限公司 | Lithium battery powder material tool equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108963180B (en) | 2024-01-12 |
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