CN215428734U - Automatic metering and batching system - Google Patents
Automatic metering and batching system Download PDFInfo
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- CN215428734U CN215428734U CN202120636759.4U CN202120636759U CN215428734U CN 215428734 U CN215428734 U CN 215428734U CN 202120636759 U CN202120636759 U CN 202120636759U CN 215428734 U CN215428734 U CN 215428734U
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Abstract
The utility model discloses an automatic metering and batching system, which comprises a buffer bin, a batching bin and a batching bin, wherein the buffer bin is positioned below the buffer bin and is in one-to-one matching arrangement with the buffer bin, the bottom of the batching bin is provided with a spiral feeding mechanism, the batching bin is positioned below the batching bin, the batching bin is provided with more than two feeding holes, and the discharging hole of the spiral feeding mechanism is flexibly connected with the feeding holes of the batching bin. When the positive electrode material is proportioned, the lithium source and the precursor are stored in the buffer storage, and the metering bin is used for quantitatively feeding the lithium source and the precursor to the proportioning bin, so that the lithium source and the precursor can be quickly fed through the metering bin, the metering precision can be accurately controlled, and the proportioning system can simultaneously feed materials, meter and batch through the layout design of the buffer storage bin, the metering bin and the proportioning bin.
Description
Technical Field
The utility model relates to the technical field of lithium ion anode material batching, in particular to an automatic metering batching system.
Background
At present, the automatic batching metering and batching device is widely applied to the batching process of chemical production, along with the rapid development of the lithium battery industry, the lithium battery industry is increasingly refined, industrialized and developed in an intelligent direction, the automatic batching device is required to be connected with upstream and downstream equipment, the production efficiency is improved, and the workshop dust is reduced so as to improve the unit productivity and the production stability and continuity.
The reaction of the lithium battery anode material is complex, the proportion of metal and lithium needs to be very accurate, and especially the high-end high nickel anode material and the high-end lithium cobaltate anode material have very high requirements on the lithium source and precursor proportioning precision and the proportioning stability.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an automatic metering and batching system which can simultaneously carry out feeding, metering and batching and has the advantages of accurate batching, high efficiency and the like.
An automatic dosing system according to an embodiment of the first aspect of the utility model comprises:
more than two cache bins;
the metering bin is positioned below the buffer bin and is matched with the buffer bin one to one, a discharge hole of the buffer bin is flexibly connected with a feed hole of the metering bin, and a spiral feeding mechanism is arranged at the bottom of the metering bin;
the batching bin is positioned below the batching bin, more than two feeding holes are formed in the batching bin, and a discharging hole of the spiral feeding mechanism is flexibly connected with the feeding holes of the batching bin;
the buffer storage bin, the metering bin and the proportioning bin are all provided with weighing modules, and valves are arranged between the buffer storage bin and the metering bin and between the metering bin and the proportioning bin.
The automatic metering and batching system provided by the embodiment of the utility model at least has the following beneficial effects:
1. the buffer storage bin can buffer raw materials to prepare materials for the metering bin, the weight of the materials in the buffer storage bin can be accurately monitored by arranging the weighing module on the buffer storage bin, the buffer storage bin is prevented from being filled with excessive materials to influence upstream equipment, the buffer storage bin is prevented from being insufficient in materials due to insufficient materials in the buffer storage bin, and the metering bin cannot supply the materials.
2. The spiral feeding mechanism can effectively set the feeding speed, and can accurately control quick feeding, medium feeding and slow feeding, thereby playing a role in controlling the feeding precision and improving the dosing precision.
3. The buffer bin, the metering bin and the batching bin are all flexibly connected, so that the influence of upstream and downstream equipment can be effectively avoided, the upstream and downstream equipment can be independently weighed, and the deviation of metering and batching can be effectively reduced.
4. The utility model has more than two metering bins connected with the proportioning bins, and the plurality of metering bins share one proportioning bin, thereby not only reducing the equipment investment, but also reducing the abnormity caused by excessive material residues of the plurality of proportioning bins, and improving the proportioning precision.
5. When the positive electrode material is proportioned, the lithium source and the precursor are stored in the buffer storage, and the metering bin is used for quantitatively feeding the lithium source and the precursor to the proportioning bin, so that the lithium source and the precursor can be quickly fed through the metering bin, and the metering precision can be accurately controlled; through the layout design of buffer bin, measuring bin and proportioning bin, this feed proportioning system can throw material, measurement, batching and go on simultaneously.
According to some embodiments of the utility model, a stirring device is arranged in the metering bin, and the stirring device comprises a stirring scraper and an arch breaking scraper. The stirring device drives the stirring scraper and the arch breaking scraper on the stirring shaft to rotate through the stirring motor. In the batching measurement process, the material on the edge of the metering bin can be effectively prevented from being extruded and conglomerated through the rotation of the stirring scraper, so that the material blockage caused by the extrusion and conglomeration is avoided. The rotation of the arch breaking scraper can effectively avoid the extrusion and agglomeration of the materials in the middle of the metering bin, thereby avoiding the blockage and unsmooth blanking caused by the extrusion and agglomeration. The design of agitating unit has improved the stability of measurement, avoids the batching that the putty caused unusual.
According to some embodiments of the utility model, the screw feed mechanism comprises a feed screw and a drive. The driving device drives the feeding screw rod to rotate, in the batching process, feeding is carried out through the feeding screw, and the feeding screw is controlled through the frequency converter, so that the feeding speed can be effectively set.
According to some embodiments of the utility model, the discharge hole of the buffer bin, the feed hole of the metering bin, the discharge hole of the spiral feeding mechanism and the feed hole of the metering bin are all provided with butterfly valves, and two adjacent butterfly valves are in flexible connection. The precursor and the lithium source are 5-15 micron sphere-like particles and can easily leak out of the gap, and the design of the double butterfly valve can effectively avoid metering deviation caused by leakage.
According to some embodiments of the utility model, the bottom of the buffer bin and/or the bottom of the batching bin is provided with an activation hopper. The activation hopper plays roles of arch breaking, blocking prevention and auxiliary blanking through the action of the vibration motor.
According to some embodiments of the utility model, a star valve is arranged at the discharge port of the buffer bin, and the star valve is positioned above the butterfly valve. The star valve can feed at the uniform velocity, controls the input speed and the input volume in measurement storehouse effectively, avoids measurement storehouse once feeding too much or full storehouse to lead to the measurement inaccurate, influence the batching precision.
According to some embodiments of the utility model, the top parts of the metering bin and the proportioning bin are provided with respirators, so that the metering bin and the proportioning bin are communicated with the outside to balance air pressure, the internal pressure of the bin is prevented from increasing or decreasing in the feeding and discharging process, and the influence of powder spraying and pressure on the proportioning weighing of the bin caused by excessive internal pressure of the bin is effectively avoided.
According to some embodiments of the utility model, the system further comprises a steel frame, wherein the steel frame is provided with an upper platform, a middle platform and a lower platform which are three layers in the vertical direction, and the buffer bin, the metering bin and the batching bin are respectively supported on the upper platform, the middle platform and the lower platform through weighing modules of the buffer bin, the metering bin and the batching bin.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals: the system comprises a buffer bin 100, a buffer bin activation hopper 110, a star valve 120, a buffer bin discharge port butterfly valve 130, a metering bin 200, a metering bin feed port butterfly valve 210, a stirring device 220, a stirring scraper 221, an arch breaking scraper 222, a spiral feeding mechanism 230, a feeding screw 231, a screw motor 232, a spiral feeding mechanism discharge port butterfly valve 240, a proportioning bin 300, a proportioning bin feed port butterfly valve 310, a proportioning bin activation hopper 320, a proportioning bin discharge port butterfly valve 330, a weighing module 400, a respirator 500 and a steel frame 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Referring to fig. 1, an automatic metering and batching system for lithium ion cathode material comprises:
the two buffer bins 100 are respectively used for storing precursors and lithium sources, the bottom of each buffer bin 100 is provided with an activation hopper, and a discharge hole of each buffer bin 100 is sequentially provided with a star-shaped valve 120 and a butterfly valve from top to bottom;
the two metering bins 200 are positioned below the cache bin 100 and are arranged in a one-to-one matching manner with the cache bin 100, the feed inlets of the metering bins 200 are provided with butterfly valves, the metering bin feed inlet butterfly valve 210 is in flexible connection with the cache bin discharge outlet butterfly valve 130, a stirring device 220 is arranged in the metering bins 200, the stirring device 220 comprises a stirring scraper 221 and an arch breaking scraper 222, the bottom of the metering bins 200 is provided with a spiral feeding mechanism 230, the spiral feeding mechanism 230 comprises a feeding screw 231 and a screw motor 232, and the discharge outlets of the spiral feeding mechanism 230 are provided with butterfly valves;
a batching bin 300 positioned below the batching bin 200, wherein the batching bin 300 is provided with more than two feeding ports, each feeding port of the batching bin 300 is provided with a butterfly valve, a spiral feeding mechanism discharging port butterfly valve 240 is flexibly connected with a batching bin feeding port butterfly valve 310, the bottom of the batching bin 300 is provided with an activating hopper, and a discharging port of the batching bin 300 is also provided with a butterfly valve;
the buffer storage bin 100, the metering bin 200 and the proportioning bin 300 are all provided with weighing modules 400, the tops of the metering bin 200 and the proportioning bin 300 are provided with respirators 500, and the buffer storage bin 100, the metering bin 200 and the proportioning bin 300 are respectively supported on an upper platform, a middle platform and a lower platform of a steel frame 600 through the weighing modules 400.
The working process is as follows:
the buffer bin 100 feeds, materials are fed from a feeding port of the buffer bin 100 or fed by equipment on the upstream of the buffer bin 100, and when the materials in the buffer bin 100 reach a high material level displayed by weighing, the control panel prompts that the buffer bin 100 is forbidden to feed. When the material in the cache bin 100 is lower than the low material level displayed by weighing, the control panel prompts the cache bin 100 to feed. The automatic control can be realized by connecting with the upstream equipment, and the cache bin 100 can perform a series of automatic control operations such as automatic material supplementing and automatic stopping.
And (3) supplementing materials in the metering bin 200, wherein when the materials in the metering bin 200 are lower than the low material level displayed by weighing, a metering bin feed inlet butterfly valve 210, a buffer bin discharge outlet butterfly valve 130, a buffer bin activation hopper 110 and a star valve 120 are sequentially opened, the buffer bin 100 discharges materials, and the metering bin 200 supplements materials. When the material in the measuring bin 200 is higher than the high material level indicated by weighing, the material feeding of the measuring bin 200 is stopped. And closing the star valve 120, the buffer storage bin activation hopper 110, the buffer storage bin discharge port butterfly valve 130 and the metering bin feed port butterfly valve 210 in sequence, and stopping feeding the metering bin 200. The metering bin 200 and the buffer bin 100 can be automatically controlled by on-line control, and the metering bin 200 can be automatically supplemented with materials and automatically stopped.
Batching and metering, when the batching bin 300 gives an emptying signal and gives a batching permission signal, a batching bin feed inlet butterfly valve 310, a spiral feed mechanism discharge outlet butterfly valve 240, a screw motor 232 and the stirring device 220 are sequentially opened, the batching bin 200 starts to discharge materials, and the batching bin 300 starts to feed materials. In the material mixing process, the feeding screw 231 is driven by the screw motor 232 to feed materials uniformly, and the stirring scraper 221 and the arch breaking scraper 222 are driven by the stirring motor to stir to prevent material blockage. When the batching is completed, the spiral feeding mechanism discharge port butterfly valve 240, the stirring device 220, the screw motor 232 and the batching bin feed port butterfly valve 310 are closed in sequence, the batching of the batching bin 200 is completed, and the batching bin 300 completes the feeding of the raw materials.
The batching bin 300 discharges materials, and after a plurality of raw materials are all proportioned and metered, the batching bin 300 gives an allowable feeding signal after being emptied by downstream mixing equipment, and the batching bin 300 is allowed to discharge materials and discharge the materials into the downstream mixing equipment. The butterfly valve 330 of the discharge port of the proportioning bin and the activation hopper 320 of the proportioning bin are opened in sequence to discharge the materials in the proportioning bin 300. After the discharge is completed, the proportioning bin activation hopper 320 and the proportioning bin discharge port butterfly valve 330 are closed in sequence.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (8)
1. An automatic dosing system, comprising:
more than two cache bins;
the metering bin is positioned below the buffer bin and is matched with the buffer bin one to one, a discharge hole of the buffer bin is flexibly connected with a feed hole of the metering bin, and a spiral feeding mechanism is arranged at the bottom of the metering bin;
the batching bin is positioned below the batching bin, more than two feeding holes are formed in the batching bin, and a discharging hole of the spiral feeding mechanism is flexibly connected with the feeding holes of the batching bin;
the buffer storage bin, the metering bin and the proportioning bin are all provided with weighing modules, and valves are arranged between the buffer storage bin and the metering bin and between the metering bin and the proportioning bin.
2. The automated metered compounding system of claim 1, wherein a stirring device is disposed within said metering bin, said stirring device comprising a stirring blade and a breaking blade.
3. The automatic dosing system of claim 1, wherein the screw feed mechanism comprises a feed screw and a drive device.
4. The automatic metering and batching system of claim 1, wherein the outlet of the buffer bin, the inlet of the metering bin, the outlet of the spiral feeding mechanism and the inlet of the batching bin are all provided with butterfly valves, and the adjacent butterfly valves are flexibly connected.
5. The automated metered dosing system of claim 1, wherein the bottom of the buffer bin and/or the bottom of the dosing bin is provided with an activation hopper.
6. The automatic dosing system of claim 4, wherein a star valve is provided at the discharge outlet of the buffer bin, the star valve being located above the butterfly valve.
7. The automated metered dispensing system of claim 1 wherein the top of said metering and dispensing cartridges is provided with a breather.
8. The automatic metering and batching system of claim 1, further comprising a steel frame, wherein the steel frame is provided with three layers of platforms, namely an upper platform, a middle platform and a lower platform, along the vertical direction, and the buffer bin, the metering bin and the batching bin are respectively supported on the upper platform, the middle platform and the lower platform through weighing modules of the buffer bin, the metering bin and the batching bin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120636759.4U CN215428734U (en) | 2021-03-29 | 2021-03-29 | Automatic metering and batching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120636759.4U CN215428734U (en) | 2021-03-29 | 2021-03-29 | Automatic metering and batching system |
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| CN215428734U true CN215428734U (en) | 2022-01-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307721A (en) * | 2022-01-20 | 2022-04-12 | 广东邦普循环科技有限公司 | Lithium salt metering and batching system and batching method |
| CN116889827A (en) * | 2023-09-11 | 2023-10-17 | 常州九天机电设备有限公司 | Material conveying device for mixer |
-
2021
- 2021-03-29 CN CN202120636759.4U patent/CN215428734U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307721A (en) * | 2022-01-20 | 2022-04-12 | 广东邦普循环科技有限公司 | Lithium salt metering and batching system and batching method |
| WO2023138255A1 (en) * | 2022-01-20 | 2023-07-27 | 广东邦普循环科技有限公司 | Lithium salt metering and batching system, and batching method |
| CN116889827A (en) * | 2023-09-11 | 2023-10-17 | 常州九天机电设备有限公司 | Material conveying device for mixer |
| CN116889827B (en) * | 2023-09-11 | 2023-11-14 | 常州九天机电设备有限公司 | Material conveying device for mixer |
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