Dust removal device for pretreatment of graphite cathode material

Abstract

The utility model provides a dedusting device for graphite cathode material pretreatment, which comprises a dedusting barrel and a screen barrel, the screen barrel is located in the inner cavity of the dedusting barrel, the periphery of the bottom of the dedusting barrel is fixedly provided with support legs, the periphery of the top of the screen barrel is fixedly provided with connecting plates, the tops of the four connecting plates are fixedly provided with a top plate, and the top plate is fixedly provided with a top plate. A dust removal assembly is arranged on the inner side of the dust removal barrel, materials are poured into the screen barrel, a stirring rod and a vibration function are arranged at the same time, the uniformity and fluidity of the materials can be effectively improved, and therefore it is ensured that dust is more comprehensively removed in the dust removal process, and the dust generated in the stirring and vibration process can be absorbed in real time through the arrangement of a fan; the device is simple in structure and convenient to operate, is beneficial to keeping the working environment clean, reduces the health risk to operators, improves the dust removal efficiency, optimizes the treatment process, ensures the purity and quality of the graphite negative electrode material, and further improves the performance and stability of the lithium ion battery.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of dust removal devices for graphite negative electrode material pretreatment, belong to dust removal device technical field. BACKGROUND

[0002] Graphite negative electrode material is an important component in lithium ion battery, due to its excellent electrical conductivity, good chemical stability and high theoretical specific capacity, and is widely used in electric vehicles, portable electronic devices and energy storage systems and other fields, the layered structure of graphite material enables lithium ions to be efficiently embedded and extracted during charging and discharging, thereby achieving efficient energy storage and release. In addition, the superior cycle stability and long life of graphite negative electrode material make it one of the important choices for current battery technology, promoting the rapid development of new energy technology.

[0003] Before processing, graphite negative electrode material may contain small particles and impurities inside. Dust particles not only affect the purity and electrochemical performance of the material, but also may cause damage to production equipment, and even affect the health of workers. If these small particles and impurities are not cleaned, the presence of dust and impurities will affect the purity of the material, thereby reducing its electrochemical performance and cycle stability, ultimately leading to a decrease in battery capacity and a reduction in service life. In addition, untreated dust may rub against equipment during production, increasing equipment wear and tear and affecting production efficiency. Furthermore, dust may also pose a threat to the health of workers, leading to respiratory diseases and other health problems.

[0004] Therefore, a dust removal device for graphite negative electrode material pretreatment is proposed. SUMMARY

[0005] In view of the above, the present utility model provides a dust removal device for graphite negative electrode material pretreatment to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial alternative.

[0006] The technical solution of the present utility model is as follows: a dust removal device for graphite negative electrode material pretreatment, comprising a dust removal barrel and a sieve barrel, the sieve barrel is located in the inner cavity of the dust removal barrel, support legs are fixedly installed around the bottom of the dust removal barrel, connecting plates are fixedly installed around the top of the sieve barrel, a top plate is fixedly installed on the top of the four connecting plates, a dust removal assembly is provided on the inner side of the dust removal barrel, the dust removal assembly comprises a transmission rod, a blade, a weight block, a first hard spring and a second hard spring, the transmission rod is movably connected to the bottom of the top plate, the blade is fixedly connected to the surface of the transmission rod, the weight block is fixedly connected to the surface of the transmission rod above the blade, the first hard spring is fixedly connected around the top of the dust removal barrel, and the inner side of the seven first hard springs is fixedly connected with the surface of the top plate.

[0007] Further preferably, the second hard spring is fixedly installed at the bottom of the inner cavity of the dust removal barrel, and the upper end of the second hard spring is fixedly connected to the bottom of the sieve barrel.

[0008] Further preferably, a servo motor is fixedly connected to the top of the top plate, and the output end of the servo motor is fixedly connected to the transmission rod.

[0009] Further preferably, a dust collection box is fixedly installed at the rear side of the surface of the dust removal barrel, a cover plate is fixedly installed at the rear side of the dust collection box through bolts, and a fan is fixedly installed on the surface of the cover plate.

[0010] Further preferably, a ventilation net is fixedly installed at the inner side of the dust collection box, the ventilation net is in communication with the inner cavity of the dust removal barrel through the dust collection box, a separation net is fixedly installed in the inner cavity of the dust collection box, and the separation net is detachable.

[0011] Further preferably, a feeding pipe is in communication with the front side of the sieve barrel, a first through hole is formed in the front side of the surface of the dust removal barrel, and the feeding pipe extends to the outer side of the dust removal barrel through the first through hole.

[0012] Further preferably, a discharging valve is in communication with the bottom of the sieve barrel, a second through hole is formed in the bottom of the dust removal barrel, and the discharging valve extends to the bottom of the dust removal barrel through the second through hole.

[0013] Further preferably, a protective cover is fixedly installed at the top of the top plate, and the servo motor is located at the inner side of the protective cover.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme.

[0015] Firstly, the utility model can effectively improve the uniformity and fluidity of the material by pouring the material into the sieve barrel and simultaneously providing the stirring rod and the vibration function, thereby ensuring more comprehensive removal of dust in the dust removal process, and the dust generated in the stirring and vibration process can be absorbed in real time through the setting of the fan, which helps to keep the working environment clean and reduce the health risk to the operator, improves the dust removal efficiency, optimizes the processing process, ensures the purity and quality of the graphite negative electrode material, and further improves the performance and stability of the lithium ion battery.

[0016] Secondly, the utility model can realize feeding and discharging through the setting of the feeding pipe and the discharging valve, can provide a moving space for the feeding pipe and the discharging valve during the vibration of the sieve barrel through the setting of the first through hole and the second through hole, and can protect the servo motor through the setting of the protective cover, thereby preventing external collision and causing the servo motor to malfunction and affecting use.

[0017] The above summary is intended to illustrate the application and is not intended to be limiting thereof. Further aspects, embodiments and features of the application will be apparent from the detailed description and drawings that follow. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the three-dimensional front view structure of the present application;

[0020] Figure 2 It is a schematic diagram of the three-dimensional bottom structure of the present application;

[0021] Figure 3 It is a schematic diagram of the sectional structure of the dust removal bucket of the present application;

[0022] Figure 4 It is a schematic diagram of the sieve bucket structure of the present application;

[0023] Figure 5 It is a schematic diagram of the bottom structure of the top plate of the present application;

[0024] Figure 6 It is a schematic diagram of the dust collection box disassembled state structure of the present application.

[0025] Reference signs: 1, dust removal bucket; 2, sieve bucket; 3, connecting plate; 4, top plate; 5, dust removal assembly; 501, servo motor; 502, transmission rod; 503, blade; 504, weight block; 505, first hard spring; 506, second hard spring; 507, dust collection box; 508, cover plate; 509, fan; 510, ventilation net; 511, isolation net; 6, feeding pipe; 7, discharging valve; 8, first through hole; 9, second through hole; 10, protective cover; 11, supporting leg. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0027] The embodiments of the present application will be described in detail below with reference to the drawings.

[0028] Embodiment 1

[0029] As Figures 1-6 shown, the utility model embodiment provides a kind of graphite negative electrode material pretreatment dust removal device, including dust removal bucket 1 and sieve bucket 2, sieve bucket 2 is located in the inner chamber of dust removal bucket 1, the periphery of the bottom of dust removal bucket 1 is fixedly installed with support leg 11, the periphery of the top of sieve bucket 2 is fixedly installed with connecting plate 3, the top of four connecting plates 3 is fixedly installed with top plate 4, the inner side of dust removal bucket 1 is provided with dust removal assembly 5, dust removal assembly 5 includes transmission rod 502, blade 503, heavy block 504, first hard spring 505 and second hard spring 506, transmission rod 502 is movably connected to the bottom of top plate 4, the periphery of blade 503 is fixedly connected to the surface of transmission rod 502, heavy block 504 is fixedly connected to the surface of transmission rod 502 and is located above blade 503, first hard spring 505 is fixedly connected to the periphery of the top of dust removal bucket 1, and the inner side of seven first hard springs 505 is fixedly connected with the surface of top plate 4, second hard spring 506 is fixedly installed in the bottom of the inner chamber of dust removal bucket 1, the upper end of second hard spring 506 is fixedly connected to the bottom of sieve bucket 2, the top of top plate 4 is fixedly connected with servo motor 501, the output end of servo motor 501 is fixedly connected with transmission rod 502, dust collection box 507 is fixedly installed on the rear side of the surface of dust removal bucket 1, dust collection box 507 is fixedly installed on the rear side by bolt, fan 509 is fixedly installed on the surface of cover plate 508, dust collection box 507 is fixedly installed with ventilation net 510 on the inner side, ventilation net 510 is connected with the inner chamber of dust removal bucket 1 in series through dust collection box 507, dust collection box 507 is fixedly installed with isolation net 511 in the inner chamber, and isolation net 511 is designed to be detachable.

[0030] By pouring material into sieve bucket 2 and simultaneously being equipped with stirring rod and vibration function, the uniformity and fluidity of the material can be effectively improved, so that the dust can be more comprehensively removed in the dust removal process, the dust generated in the stirring and vibration process can be absorbed in real time by the setting of fan 509, which helps to keep the working environment clean and reduce the health risk to the operator, not only improves the dust removal efficiency, but also optimizes the processing process, ensures the purity and quality of graphite negative electrode material, and further improves the performance and stability of lithium ion battery.

[0031] Embodiment 2

[0032] As Figure 1 and Figure 2As shown, in one embodiment, the front side of the sieve barrel 2 is communicated with the feeding pipe 6, the front side of the surface of the dust removal barrel 1 is provided with the first through hole 8, the feeding pipe 6 extends to the outside of the dust removal barrel 1 through the first through hole 8, the bottom of the sieve barrel 2 is communicated with the discharging valve 7, the bottom of the dust removal barrel 1 is provided with the second through hole 9, the discharging valve 7 extends to the bottom of the dust removal barrel 1 through the second through hole 9, the top of the top plate 4 is fixedly installed with the protective cover 10, and the servo motor 501 is located on the inside of the protective cover 10.

[0033] Through the setting of the feeding pipe 6 and the discharging valve 7, the feeding and discharging can be realized, through the setting of the first through hole 8 and the second through hole 9, the sieve barrel 2 can provide a moving space for the feeding pipe 6 and the discharging valve 7 during vibration, and through the setting of the protective cover 10, the servo motor 501 can be protected from external collision, so that the servo motor 501 is not damaged and the use is not affected.

[0034] When the utility model works: through feeding pipe 6 will material be placed into the inside of sieve barrel 2 after, can start servo motor 501 drive output end's transmission rod 502 and rotate, transmission rod 502 will drive blade 503 to rotate during rotation, thereby the material is turned over, transmission rod 502 rotates simultaneously still drive eccentric weight 504 and rotate, through the gravity deviation that eccentric weight 504 rotates produces, transmission rod 502, servo motor 501 and top plate 4 will vibrate, thereby the vibration of top plate 4 drives sieve barrel 2 and the material that it is stirring inside vibrates, sieve barrel 2 and top plate 4 will extrude first hard spring 505 and second hard spring 506 during vibration, first hard spring 505 and second hard spring 506 after extrusion compress and produce rebound through the tension of itself, thereby further improve the vibration amplitude, by the cooperation of stirring and vibration work simultaneously, the dust and tiny particle contained in the material can be separated to the outside of sieve barrel 2, at this time, start fan 509 and work, fan 509 generates negative pressure after starting, drives air flow, through ventilation net 510 air in dust removal barrel 1 and separated dust and tiny particle are absorbed to the inner chamber of dust collecting box 507, dust is blocked by isolation net 511, thereby completes dust removal effect.

[0035] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A dust removal device for pretreatment of graphite negative electrode material, comprising a dust removal barrel (1) and a sieve barrel (2), characterized in that: The sieve barrel (2) is located in the inner cavity of the dust removal barrel (1), the four around the bottom of the dust removal barrel (1) are fixedly installed with supporting legs (11), the four around the top of the sieve barrel (2) are fixedly installed with connecting plates (3), the top of the four connecting plates (3) is fixedly installed with a top plate (4), the inner side of the dust removal barrel (1) is provided with a dust removal assembly (5), the dust removal assembly (5) comprises a transmission rod (502), a blade (503), a weight block (504), a first hard spring (505) and a second hard spring (506), the transmission rod (502) is movably connected to the bottom of the top plate (4), the blade (503) is fixedly connected to the surface of the transmission rod (502), the weight block (504) is fixedly connected to the surface of the transmission rod (502) and located above the blade (503), the first hard spring (505) is fixedly connected to the four around the top of the dust removal barrel (1), and the inner side of the seven first hard springs (505) is fixedly connected with the surface of the top plate (4).

2. The dust removal device for pretreatment of graphite negative materials according to claim 1, characterized in that: The second hard spring (506) is fixedly installed in the bottom of the inner cavity of the dust removal barrel (1), and the upper end of the second hard spring (506) is fixedly connected to the bottom of the sieve barrel (2).

3. The dust removal device for pretreatment of graphite negative materials according to claim 1, characterized in that: The top of the top plate (4) is fixedly connected with a servo motor (501), and the output end of the servo motor (501) is fixedly connected with the transmission rod (502).

4. The dust removal device for pretreatment of graphite negative materials according to claim 1, characterized in that: The rear side of the surface of the dust removal barrel (1) is fixedly installed with a dust collection box (507), the rear side of the dust collection box (507) is fixedly installed with a cover plate (508) through bolts, and the surface of the cover plate (508) is fixedly installed with a fan (509).

5. The dust removal device for pretreatment of graphite negative materials according to claim 4, characterized in that: The inner side of the dust collection box (507) is fixedly installed with a ventilation net (510), the ventilation net (510) penetrates the dust collection box (507) and communicates with the inner cavity of the dust removal barrel (1), and the inner cavity of the dust collection box (507) is fixedly installed with a separation net (511), and the separation net (511) is designed to be detachable.

6. The dust removal device for pretreatment of graphite negative materials according to claim 1, characterized in that: The front side of the sieve barrel (2) is communicated with a feeding pipe (6), the front side of the surface of the dust removal barrel (1) is provided with a first through hole (8), and the feeding pipe (6) extends to the outer side of the dust removal barrel (1) through the first through hole (8).

7. The dust removal device for pretreatment of graphite negative materials according to claim 1, characterized in that: The bottom of the sieve barrel (2) is communicated with a discharge valve (7), the bottom of the dust removal barrel (1) is provided with a second through hole (9), and the discharge valve (7) extends to the bottom of the dust removal barrel (1) through the second through hole (9).

8. The dust removal device for pretreatment of graphite negative materials according to claim 3, characterized in that: The top of the top plate (4) is fixedly installed with a protective cover (10), and the servo motor (501) is located in the inner side of the protective cover (10).

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