CN116212729B - New energy powder batching data online tracking and adjusting device and working method thereof - Google Patents
New energy powder batching data online tracking and adjusting device and working method thereof Download PDFInfo
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- CN116212729B CN116212729B CN202310507787.XA CN202310507787A CN116212729B CN 116212729 B CN116212729 B CN 116212729B CN 202310507787 A CN202310507787 A CN 202310507787A CN 116212729 B CN116212729 B CN 116212729B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention belongs to the technical field of new energy powder batching, and in particular relates to a new energy powder batching data online tracking and adjusting device and a working method thereof, wherein the device comprises the following components: a control module; the conveying mechanism is controlled by the control module and is suitable for carrying out pneumatic conveying on the powder with different particle sizes and conveying the powder into the mixing bin; the interception mechanism is controlled by the control module and is suitable for intercepting the powder escaping along with the gas in the conveying mechanism and pushing the intercepted powder back to the mixing bin; when powder is transported, the control module controls the conveying mechanism to start, pneumatic conveying is carried out on the powder, in the conveying process, the control module controls the intercepting mechanism to intercept the powder escaping along with the ascending air flow, and the intercepted powder is pushed back to the mixing bin again.
Description
Technical Field
The invention belongs to the technical field of new energy powder batching, and particularly relates to a new energy powder batching data online tracking and adjusting device and a working method thereof.
Background
The lithium battery is used as a new energy battery, a plurality of materials are usually required to be mixed in proportion before preparation, and particle powder such as natural graphite powder, electrolyte lithium salt, lithium manganate and the like is contained, pneumatic conveying is mostly adopted for conveying the powder, and in the actual operation process of the prior art, a small part of the powder can escape along with the rising airflow of the pneumatic conveying, so that the quantity of the finally conveyed powder is different from the quantity of the powder which is actually required to influence the quality of the final mixture, and particularly in an automatic control production line, the powder escaping along with the airflow usually causes difficult precise control of batching data, thereby causing quality defects of the finished product.
The prior patent with the application number of CN201910028226.5 is provided with a separating tube, the separating tube is driven by a disc to rotate at a high speed, the disc is driven by a rotating shaft of a motor, when the separating tube rotates, air flow in the separating tube passes through the separating tube from top to bottom, the air flow can drive materials to move in the separating tube from top to bottom, and the materials move in the separating tube, and due to the rotation of the separating tube, the separating tube can throw down the materials in the separating tube before the materials fall off the separating tube, so that the materials fall into the separating tube, and the materials are completely separated from the air flow. However, the rotating speed of the multi-layer curved surface beating plate is difficult to adjust, if the rotating speed is too high, disturbance air flow can be generated, powder can be scattered irregularly, if the rotating speed is too low, part of powder can escape in a clearance of the rotating blades, the powder quantity and the data tracking record cannot be accurately controlled, and because the particle sizes of different powder are different from the gravity during batching, the air suction force of the air suction fan is required to be adjusted, the powder scattering is reduced, and the air suction fan is repeatedly adjusted in speed to overheat, so that damage is caused.
Therefore, it is necessary to design an online tracking and adjusting device for new energy powder batching data and a working method thereof, wherein the online tracking and adjusting device is used for completely intercepting powder escaping along with ascending air flow in the pneumatic transportation process.
Disclosure of Invention
The invention aims to provide a new energy powder batching data online tracking and adjusting device and a working method thereof, so as to solve the technical problems.
In order to solve the technical problems, the invention provides a new energy powder batching data on-line tracking and adjusting device, which comprises: a control module; the conveying mechanism is controlled by the control module and is suitable for carrying out pneumatic conveying on the powder with different particle sizes and conveying the powder into the mixing bin; the interception mechanism is controlled by the control module and is suitable for intercepting the powder escaping along with the gas in the conveying mechanism and pushing the intercepted powder back to the mixing bin; when powder is transported, the control module controls the conveying mechanism to start, pneumatic conveying is carried out on the powder, in the conveying process, the control module controls the intercepting mechanism to intercept the powder escaping along with the ascending air flow, and the intercepted powder is pushed back to the mixing bin again.
On the other hand, the invention also provides a working method of the new energy powder batching data on-line tracking and adjusting device, which comprises the following steps:
step S1, a control module controls an electromagnetic valve on a powder conveying pipe of the powder required at present to be opened, other electromagnetic valves are closed, a fan is started, and the powder in a powder bin required is extracted to enter a mixing bin;
step S2, the control module controls the first motor to start, and powder escaping along with the ascending airflow is intercepted;
step S3, the control module controls the second motor to start, drives the rotating shaft to rotate, collects powder entering the interception plate in the cavity, and pushes the powder back to the mixing bin again through the inclined push plate in the rotating process of the rotating shaft.
The invention has the beneficial effects that the conveying mechanism and the interception mechanism are arranged to carry out pneumatic conveying and mixing on various powder required by lithium battery production, the rotating speed of the fan is unified, the rotating speed of the fan is not required to be regulated according to powder with different particle diameters, meanwhile, part of powder escaping along with ascending airflow in the process of pneumatic conveying of the powder is intercepted and collected, the collected powder is pushed back to the mixing bin, and the accurate batching data of the powder is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of the mixing bin and surrounding components of the invention;
FIG. 3 is a schematic cross-sectional view of the mixing silo of the present invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged schematic view of the portion B of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram of the lowermost inclined pusher plate of the present invention in comparison to the uppermost inclined pusher plate;
fig. 7 is a schematic flow chart of the new energy powder batching data online tracking and adjusting method.
In the figure:
1. an interception mechanism; 10. a mixing bin; 11. an interception plate; 12. an air inlet; 13. a general axis; 14. a rotating shaft; 15. a cavity; 16. an inclined push plate; 161. the lowest layer is inclined to push plate; 162. a middle layer inclined pushing plate; 163. the uppermost layer is inclined to push plate;
2. a conveying mechanism; 20. a header pipe; 21. a powder bin; 22. a powder transport tube; 221. a first powder transport tube; 222. a second powder transport tube; 223. a third powder transport tube; 23. an electromagnetic valve; 24. a blower.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The application provides a new forms of energy powder batching data on-line tracking adjusting device, include: a control module; the conveying mechanism 2 is controlled by the control module and is suitable for carrying out pneumatic conveying on the powder with different particle sizes and conveying the powder into the mixing bin 10; the interception mechanism 1 is controlled by the control module and is suitable for intercepting the powder escaping along with the gas in the conveying mechanism 2 and pushing the intercepted powder back to the mixing bin 10;
in this embodiment, when powder starts to be transported, the control module controls the conveying mechanism 2 to start, pneumatic conveying is performed on the powder, and in the conveying process, the control module controls the intercepting mechanism 1 to intercept the powder escaping along with the ascending air flow and push the intercepted powder back to the mixing bin 10 again.
In this embodiment, the interception mechanism 1 includes: an interception plate 11 and a collection assembly disposed within the interception plate 11; wherein the interception plate 11 is connected with a first motor controlled by a control module through a total shaft 13; and the outer contour of the interception plate 11 is consistent with the contour of the inner wall of the mixing bin 10;
in this embodiment, when the first powder is transported, the electromagnetic valve 23 on the first powder transporting pipe 221 is opened, the other two electromagnetic valves 23 are closed, the powder with the current particle size enters the mixing bin 10 along with the air flow, falls into the bottom end of the mixing bin 10 under the action of gravity, and part of the powder can escape along with the rising of the air flow, when the part of the powder rises along with the air flow and contacts with the bottom end of the interception plate 11, the control module controls the first motor to start, the interception plate 11 is driven to rotate through the total shaft 13, then the powder contacted with the bottom end of the interception plate 11 and the interception plate 11 are bounced to the inner wall of the mixing bin 10 to rotate and slide after being impacted, and the powder entering the interception plate 11 is recovered by the collecting assembly.
In this embodiment, the collection assembly includes: the second motor is arranged in the interception plate 11 and is controlled by the control module; one end of the rotating shaft 14 is connected with the output end of the second motor, and the other end of the rotating shaft is connected with the interception plate 11 through a bearing; and three inclined push plates 16 provided on the rotating shaft 14; wherein three layers of cavities 15 are vertically arranged in the interception plate 11; and the cavity bottoms of the cavities 15 are provided with air inlets 12 so as to form a through powder inlet channel inside the interception plate 11; wherein each inclined push plate 16 is sequentially arranged in the corresponding cavity 15 from top to bottom; each inclined pushing plate 16 is spirally arranged, so that each inclined pushing plate 16 covers the corresponding air inlet 12 in sequence when rotating along with the rotating shaft 14;
in this embodiment, the number of the collection assemblies is preferably four, when the first powder is transported, the control module controls the second motor to start, drives the rotating shaft 14 to rotate, powder entering the interior of the interception plate 11 through the powder inlet channel contacts with the inclined surface of the lowest inclined push plate 161 to be intercepted and left in the lowest cavity 15, because the rotating shaft 14 drives the inclined push plate 16 to rotate, when the lowest inclined push plate 161 rotates away from the air inlet 12 of the lowest layer, the powder enters the middle cavity layer along with rising air flow, when the lowest inclined push plate 161 rotates away from the air inlet 12, the middle inclined push plate 162 just rotates to the corresponding air inlet 12 position, the process is repeated, powder is intercepted again in the middle cavity 15, when the middle inclined push plate 162 rotates away from the corresponding air inlet 12, the uppermost inclined push plate 163 rotates to the corresponding air inlet 12 position, in this embodiment, the inclination angle of the uppermost inclined push plate 163 is smaller than the inclination angles X of the lowermost inclined push plate 161 and the intermediate inclined push plate 162, and the length H of the inclined surface of the uppermost inclined push plate 163 is larger than the lengths H of the inclined surfaces of the lowermost inclined push plate 161 and the intermediate inclined push plate 162, that is, in the rotation process of the uppermost inclined push plate 163, the influence on the topmost air inlet is larger due to the larger inclination angle X, so that the suction force of the rising air flow on the powder below is reduced, that is, the air flow in the interception plate flows, but when the uppermost inclined push plate 163 covers the air inlet, the air flow rate in the interception plate is slightly reduced, and when the uppermost inclined push plate 163 rotates and leaves the corresponding air inlet 12, the lowermost inclined push plate 161 pushes the powder intercepted in the lowermost cavity 15 back into the mixing bin 10 through the bottommost air inlet 12, the middle layer inclined push plate 162 pushes the powder in the middle cavity 15 back to the cavity 15 at the lowest end, when the uppermost layer inclined push plate 163 rotates to leave the corresponding air inlet 12, the inclined surface of the lowermost layer inclined push plate 161 moves to the position right above the corresponding air inlet 12 again to intercept the rising powder, so that the powder escaping along with the rising air flow is repeatedly intercepted, the influence of the rising air flow on the powder below is reduced during the back pushing, the pushed-back powder falls to the mixing bin 10 conveniently, a weight sensor is arranged in the mixing bin 10 and is suitable for weighing the powder in the mixing bin 10, after the first powder reaches the required weight, the control module controls the electromagnetic valve 23 on the current powder conveying pipe 22 to be closed, and then the electromagnetic valve 23 on the second powder conveying pipe 222 and the electromagnetic valve 23 on the third powder conveying pipe 223 are sequentially opened for conveying.
In this embodiment, the conveying mechanism 2 includes: a plurality of powder bins 21; powder transport pipes 22 connected to the plurality of powder bins 21, respectively; the electromagnetic valves 23 are respectively arranged on the powder conveying pipes 22, and the electromagnetic valves 23 are controlled by the control module; a collecting pipe 20, one end of which is connected with the mixing bin 10, the other end of which is connected with a plurality of powder conveying pipes 22, and a fan 24 which is arranged at the top end of the mixing bin 10 and is controlled by a control module;
in this embodiment, when a certain powder starts to be transported, the control module controls the fan 24 to be started, and simultaneously closes the electromagnetic valve 23 on the powder transporting pipe 22 corresponding to other powder, so that the powder required at present is transported pneumatically, and enters the mixing bin 10 through the collecting pipe 20 to be collected.
On the other hand, the application also provides a working method of the new energy powder batching data on-line tracking and adjusting device, which comprises the following steps:
step S1, a control module controls an electromagnetic valve 23 on a powder conveying pipe of the powder required at present to be opened, other electromagnetic valves 23 are closed, a fan 24 is started, and the powder in a required powder bin 21 is extracted to enter a mixing bin 10;
step S2, the control module controls the first motor to start, and powder escaping along with the ascending airflow is intercepted by the interception plate 11;
step S3, the control module controls the second motor to start, drives the rotating shaft 14 to rotate, collects powder entering the interception plate 11 in the cavity 15, and pushes the powder back to the mixing bin 10 again through the inclined push plate 16 in the rotating process of the rotating shaft 14.
The calculation formula of the rotation speed of the rotating shaft 14 in the step S3 is as follows:
；
；
in the formula, V Rotation V is the rotation speed of the rotating shaft 14 Total (S) For the rotation speed of the main shaft 13, V Wind power The rotation speed of the fan 24 is D, the diameter of the pipe orifice of the collecting pipe 20, D is the particle size of the powder currently transported, and D 1 Is the particle diameter of the first powder, d 2 Is the particle size of the second powder, d 3 The particle size of the third powder, t is the time required for transporting the current powder, t 1 To transport the first powder for the original time, t 2 To transport the second powder for the original time, t 3 For transporting the third powder, K is a proportionality coefficient, wherein the rotation speed of the rotating shaft 14 is inversely proportional to the particle size of the currently transported powder, that is, the larger the particle size of the currently transported powder is, the less powder enters the cavity 15, that is, the rotation speed of the rotating shaft 14 is smaller;
preferably, in the present embodiment, d is as follows 1 、d 2 、d 3 Respectively byParticle diameters of natural graphite powder, electrolyte lithium salt and lithium manganate are exemplified, t 1 、t 2 And t 3 The three kinds of powder with different particle sizes respectively correspond to the time required from the beginning to the end of transportation, so that the rotating speed V of the fan in the prior art Wind power Also different, so that the unified rotation speed V of the fan during the transportation of the three powder bodies is preferentially determined in the application Wind power Then the rotation speed V of the rotating shaft required by transporting the natural graphite powder (electrolyte lithium salt or lithium manganate) is obtained by taking the formula Rotation Under the condition that ascending airflow circulation is not affected, powder escaping along with ascending airflow is intercepted, the intercepted powder is pushed back into the mixing bin through the inclined pushing plate along with rotation of the rotating shaft, accuracy of powder batching is guaranteed, and the influence of powder escaping on the quality of a final mixed product is avoided.
In summary, when powder starts to be transported, the control module controls the conveying mechanism 2 to start, so as to carry out pneumatic conveying on the powder, in the conveying process, the control module controls the intercepting mechanism 1 to intercept the powder escaping along with the ascending air flow and push the intercepted powder back to the mixing bin 10 again, the conveying mechanism 2 and the intercepting mechanism 1 are arranged, so that pneumatic conveying and mixing are carried out on various powder required by lithium battery production, the rotating speed of the fan 24 is unified, the rotating speed of the fan 24 is not required to be regulated according to the powder with different particle sizes, meanwhile, interception and collection are carried out on part of the powder escaping along with the ascending air flow in the pneumatic conveying process, and the collected powder is pushed back to the mixing bin 10, so that the accurate batching data of the powder is ensured.
In the description of embodiments of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (2)
1. New forms of energy powder batching data on-line tracking adjusting device, its characterized in that includes:
a control module;
the conveying mechanism is controlled by the control module and is suitable for carrying out pneumatic conveying on the powder with different particle sizes and conveying the powder into the mixing bin;
the interception mechanism is controlled by the control module and is suitable for intercepting the powder escaping along with the gas in the conveying mechanism and pushing the intercepted powder back to the mixing bin;
when the powder is transported, the control module controls the interception mechanism to intercept the powder escaping along with the ascending air flow in the conveying mechanism, and the intercepted powder is pushed back to the mixing bin again;
the interception mechanism comprises: the collecting assembly is arranged in the intercepting plate; wherein the method comprises the steps of
The interception plate is connected with a first motor controlled by the control module through a total shaft; and
the outer contour of the interception plate is consistent with the contour of the inner wall of the mixing bin; wherein the method comprises the steps of
When powder is transported, part of powder rising along with the air flow is blocked by the bottom surface of the blocking plate, and the powder entering the blocking plate is recovered by the collecting assembly;
the collection assembly includes:
the second motor is arranged in the interception plate and is controlled by the control module;
one end of the rotating shaft is connected with the output end of the second motor, and the other end of the rotating shaft is connected with the interception plate bearing; and
three inclined pushing plates arranged on the rotating shaft; wherein the method comprises the steps of
Three layers of cavities are vertically arranged in the interception plate; and
the cavity bottom of each cavity is provided with an air inlet so that a through powder inlet channel is formed in the interception plate; wherein the method comprises the steps of
Each inclined push plate is sequentially arranged in the corresponding cavity from top to bottom; and is also provided with
Each inclined pushing plate is spirally arranged so that each inclined pushing plate can sequentially shield the corresponding air inlet when rotating along with the rotating shaft;
when the powder is transported, the control module controls the second motor to start, the rotating shaft is driven to rotate, the powder entering the blocking plate through the powder inlet channel contacts with the inclined pushing plate to be blocked and left in the cavity, and the collected powder falls into the powder inlet channel again along with the rotation of the inclined pushing plate and falls into the mixing bin;
the conveying mechanism comprises:
a plurality of powder bins;
powder transport pipes respectively connected with the powder bins;
the electromagnetic valves are respectively arranged on the powder conveying pipes and are controlled by the control module;
a collecting pipe, one end of which is connected with the mixing bin, the other end of which is connected with a plurality of powder conveying pipes, and
the fan is arranged at the top end of the mixing bin and is controlled by the control module.
2. The working method of the new energy powder batching data on-line tracking and adjusting device as claimed in claim 1, which is characterized by comprising the following steps:
step S1, a control module controls an electromagnetic valve on a powder conveying pipe of the powder required at present to be opened, other electromagnetic valves are closed, a fan is started, and the powder in a powder bin required is extracted to enter a mixing bin;
step S2, the control module controls the first motor to start, and powder escaping along with the ascending airflow is intercepted;
step S3, the control module controls the second motor to start, drives the rotating shaft to rotate, collects powder entering the interception plate in the cavity, and pushes the powder back to the mixing bin again through the inclined push plate in the rotating process of the rotating shaft.
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| CN116374632B (en) * | 2023-06-07 | 2023-08-08 | 江苏道金智能制造科技股份有限公司 | Dynamic management system for automatic conveying of new energy powder and working method thereof |
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