CN211733199U - Powder automatic blending device suitable for lithium battery anode material - Google Patents
Powder automatic blending device suitable for lithium battery anode material Download PDFInfo
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- CN211733199U CN211733199U CN201921971609.8U CN201921971609U CN211733199U CN 211733199 U CN211733199 U CN 211733199U CN 201921971609 U CN201921971609 U CN 201921971609U CN 211733199 U CN211733199 U CN 211733199U
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Abstract
The utility model discloses an automatic powder batching device suitable for a lithium battery anode material, which comprises a metering bin, a feeding cylinder, a blanking pipe, a temporary storage pipe and a respirator; a weighing module (110) is arranged outside the metering bin; a feeding port of the feeding cylinder is communicated with the metering bin; the feeding pipe is arranged on a discharge port of the feeding cylinder body, and a first pneumatic butterfly valve is arranged on the feeding pipe; the temporary storage material pipe is connected with the blanking pipe through flexible connection, and a second pneumatic butterfly valve is arranged on the temporary storage material pipe; the respirator is externally connected to the blanking pipe; the interference of the air pressure difference inside and outside the material mixing equipment to the metering equipment is isolated through the first pneumatic butterfly valve and the second pneumatic butterfly valve, so that the accuracy and the stability of an automatic material mixing system are improved, the dependence of the material mixing equipment on the performance of a respirator can be reduced, the respirator with small volume, high filtering precision and low requirement on maintenance frequency can be selected, and the space and the production cost are saved.
Description
Technical Field
The utility model relates to an automatic blending field, in particular to powder automatic blending device suitable for lithium electricity cathode material.
Background
At present, the lithium battery industry is rapidly developed, the capacity is rapidly expanded, and an automatic batching device and a batching device which are needed in the batching and mixing process of a precursor and a positive electrode material are used for connecting production, so that the production efficiency is ensured, and the product quality and the yield are improved;
the production process of the anode material is extremely complex, the requirements on the batching precision and stability are high, most of raw materials and intermediate products are powder materials, and the powder materials are easily sucked into rotating parts such as bearings of equipment and the like to damage the equipment; in order to ensure that the rotating parts of the powder mixing equipment are not damaged by the powder, sealing gas is often introduced into parts such as a screw bearing and the like to protect the normal operation of the parts, but the gas pressure difference is often generated, so that the accuracy of the mixing is disturbed.
Most of the current production lines balance the internal and external air pressure difference by increasing the filtering area of a respirator of mixing equipment or connecting a negative pressure pipeline at the exhaust port of the respirator. Increase respirator filter area means that its volume becomes bigger, occupies bigger space, is unfavorable for producing the line design to the respirator is through long-time the use, and the filtration pressure difference can the grow, hardly adjusts the balance, and is stable, and prior art can't completely cut off the interference of pressure difference to automatic blending device, can't guarantee the quality.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. For this, the utility model provides a powder automatic blending device suitable for lithium electricity cathode material can provide the equipment that the internal and external pressure differential of isolated compounding equipment disturbed automatic blending in fundamental, provides accurate, stable production condition.
An automatic powder batching device suitable for a lithium battery anode material comprises a metering bin, a feeding cylinder, a discharging pipe, a temporary storage pipe and a respirator; a weighing module is arranged outside the metering bin; the feeding port of the feeding cylinder is communicated with the metering bin; the discharging pipe is arranged on a discharging port of the feeding cylinder body, and a first pneumatic butterfly valve is arranged on the discharging pipe; the temporary storage material pipe is connected with the blanking pipe through flexible connection, and a second pneumatic butterfly valve is arranged on the temporary storage material pipe; the respirator is externally connected to the blanking pipe.
According to the utility model discloses powder automatic blending device suitable for lithium electricity cathode material has following beneficial effect at least:
the interference of the air pressure difference inside and outside the material mixing equipment to the metering equipment is isolated through the first pneumatic butterfly valve and the second pneumatic butterfly valve, so that the accuracy and the stability of an automatic material mixing system are improved, the dependence of the material mixing equipment on the performance of a respirator can be reduced, the respirator with small volume, high filtering precision and low requirement on maintenance frequency can be selected, and the space and the production cost are saved.
According to some embodiments of the present invention, the feeding cylinder is provided with a feeding screw outside, the feeding screw being driven by a driving motor.
According to the utility model discloses a some embodiments, the material pipe of keeping in with through the hose connection between the unloading intraductal.
Additional aspects and advantages of the invention 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 invention.
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 diagram of an embodiment of the present invention.
A metering bin 100 and a weighing module 110; a feeding cylinder 200, a feeding screw 210, a driving motor 220; the device comprises a blanking pipe 300, a temporary storage pipe 400, a breather 500, a first pneumatic butterfly valve 600, a flexible connection 700 and a second pneumatic butterfly valve 800.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Referring to fig. 1, an automatic powder batching device suitable for a lithium battery anode material comprises a metering bin 100, a feeding cylinder 200, a blanking pipe 300, a temporary storage pipe 400 and a respirator 500; a weighing module 110 is arranged outside the metering bin 100; a feeding port of the feeding cylinder 200 is communicated with the metering bin 100, a feeding screw 210 is arranged outside the feeding cylinder 200, and the feeding screw 210 is driven by a driving motor 220; the blanking pipe 300 is arranged on the discharge hole of the feeding cylinder body 200, and a first pneumatic butterfly valve 600 is arranged on the blanking pipe 300; the temporary storage material pipe 400 is connected with the blanking pipe 300 through a flexible connection 700, a second pneumatic butterfly valve 800 is arranged on the temporary storage material pipe 400, and a material mixing device is connected below the temporary storage material pipe 400; the respirator 500 is externally connected to the blanking tube 300.
The system automatically records the weight of the metering bin before the batching through the weighing module 110 before the batching, the material mixing device is connected below the second lower end butterfly valve, then the first butterfly valve and the second butterfly valve are opened, the driving motor 220 drives the feeding screw 210 to rotate, the material enters the material mixing device along the screw, when the precise batching value is reached, the feeding screw 210 stops rotating, the second lower end butterfly valve of the flexible connection 700 is closed, the air pressure difference between the metering device and the interior of the material mixing device is isolated, then the feeding screw 210 is driven to rotate slowly, the material falls into the temporary storage material pipe 400 until the batching reaches a target value, the feeding screw 210 stops, the first butterfly valve above the flexible connection 700 is closed, the second butterfly valve below the flexible connection 700 is closed after being opened for a plurality of seconds, the system automatically records the weight of the metered bin after the batching and calculates the actual batching, the batching is completed, the first butterfly valve and the second butterfly valve can isolate, respirator 500 of unloading pipe 300 side can in time exhaust at the smart batching in-process, has completely cut off the interference of atmospheric pressure difference to automatic metering device inside and outside the compounding equipment, has simple structure, and stability is good, the practicality is strong advantage to improve automatic blending system's accuracy and stability, can reduce the dependence of compounding equipment to respirator 500 performance, can select small, and filter fineness is high, maintains respirator 500 that the number of times requires lowly, has saved space and manufacturing cost.
The temporary storage pipe 400 is connected with the blanking pipe 300 through a hose.
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 without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a powder automatic blending device suitable for lithium electricity cathode material which characterized in that includes:
the weighing system comprises a metering bin (100), wherein a weighing module (110) is arranged outside the metering bin (100);
the feeding port of the feeding cylinder (200) is communicated with the metering bin (100);
the feeding pipe (300), the feeding pipe (300) is arranged on a discharge hole of the feeding cylinder (200), and a first pneumatic butterfly valve (600) is arranged on the feeding pipe (300);
the temporary storage material pipe (400), the temporary storage material pipe (400) is connected with the blanking pipe (300) through a flexible connection (700), and a second pneumatic butterfly valve (800) is installed on the temporary storage material pipe (400);
a breather (500), the breather (500) is externally connected with the blanking pipe (300).
2. The automatic powder batching device suitable for the lithium battery positive electrode material according to claim 1, wherein a feeding screw (210) is arranged outside the feeding cylinder (200), and the feeding screw (210) is driven by a driving motor (220).
3. The automatic powder batching device suitable for the lithium battery positive electrode material according to claim 1, wherein the temporary storage material pipe (400) is connected with the discharging pipe (300) through a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921971609.8U CN211733199U (en) | 2019-11-14 | 2019-11-14 | Powder automatic blending device suitable for lithium battery anode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921971609.8U CN211733199U (en) | 2019-11-14 | 2019-11-14 | Powder automatic blending device suitable for lithium battery anode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211733199U true CN211733199U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921971609.8U Active CN211733199U (en) | 2019-11-14 | 2019-11-14 | Powder automatic blending device suitable for lithium battery anode material |
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Cited By (1)
| 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 |
-
2019
- 2019-11-14 CN CN201921971609.8U patent/CN211733199U/en active Active
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 |
| 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 |
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