Stirring device for sodium ion battery positive electrode slurry

Abstract

The utility model discloses a stirring device for sodium ion battery positive electrode slurry, which relates to the technical field of stirring devices for sodium ion battery positive electrode slurry and comprises a base, one side of the top of the base is fixedly connected with a lifting mechanism, and the middle of the top of the base is fixedly connected with a sodium ion battery positive electrode slurry stirring bin. And a stirring mechanism is arranged at the top of the sodium ion battery positive electrode slurry stirring bin. According to the utility model, the plurality of groups of stirring components are arranged, so that the plurality of groups of stirring blades can simultaneously stir the sodium-ion battery positive electrode slurry, and the sodium-ion battery positive electrode slurry can flow along the through holes in the stirring process in a manner of forming the through holes in the surfaces of the stirring blades; meanwhile, in the stirring process, a scraping rod can drive a rubber strip to continuously scrape off the slurry adhered to the inner wall of the sodium ion battery positive electrode slurry stirring bin, so that the stirring is more comprehensive, and the use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring devices for positive electrode slurry of sodium ion batteries, in particular to a stirring device for positive electrode slurry of sodium ion batteries. Background Art

[0002] Sodium-ion battery positive electrode slurry refers to the slurry used to prepare the positive electrode of sodium-ion batteries, which is usually composed of positive electrode active materials, conductive agents, binders and solvents. Among them, the positive electrode active material is the key component that provides electrochemical activity, and common ones include layered oxides, phosphate compounds and Prussian compounds. The conductive agent is used to improve the conductivity of the electrode. Common conductive agents include carbon black, carbon nanotubes, etc. The binder is used to bond the active material and the conductive agent together to form a stable electrode structure. Common binders include polyvinylidene fluoride, acrylate, etc. When preparing the positive electrode slurry for sodium-ion batteries, the above ingredients need to be mixed in a certain proportion, and stirred, dispersed and other process treatments are performed to ensure the uniformity and stability of the slurry.

[0003] For example, the Chinese patent publication number CN219897713U discloses a stirring device for positive electrode slurry of a sodium ion battery, including a stirring rod, the bottom end of which is openly connected to a plurality of stirring paddle pairs, including a first stirring paddle pair, a first stirring blade constituting the first stirring paddle pair is vertically opened, the first stirring blade is wavy, and the wave crest amplitude of the first stirring blade gradually increases from the inside to the outside. The stirring device for positive electrode slurry of a sodium ion battery of the utility model has the characteristics of good stirring uniformity, strong structural applicability, convenient use and low cost.

[0004] Although the above example can stir the sodium ion battery positive electrode slurry from the bottom of the stirring chamber by setting a stirring blade at the bottom of the stirring rod, the stirring efficiency is slow when stirring only from the bottom of the stirring chamber. At the same time, the sodium ion battery positive electrode slurry is relatively viscous. During the stirring process, the stirring blade cannot fit with the inner wall of the stirring chamber, resulting in the sodium ion battery positive electrode slurry that sticks to the inner wall of the stirring chamber being difficult to stir evenly, which causes certain inconveniences in use. Utility Model Content

[0005] The utility model provides a stirring device for positive electrode slurry of a sodium ion battery, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A stirring device for positive electrode slurry of a sodium ion battery comprises a base, a lifting mechanism is fixedly connected to one side of the top of the base, a stirring bin for the positive electrode slurry of a sodium ion battery is fixedly connected to the middle of the top of the base, and a stirring mechanism is arranged on the top of the stirring bin for the positive electrode slurry of a sodium ion battery.

[0008] A further improvement of the technical solution of the utility model is that the lifting mechanism includes a guide rod, the bottom of the guide rod is fixedly connected to the top of the base, the surface of the guide rod is slidably connected to a mounting plate, the bottom of the mounting plate is fixedly connected to a hydraulic cylinder, the bottom of the hydraulic cylinder is fixedly connected to the top of the base, and the bottom of the mounting plate is fixedly connected to a bin cover.

[0009] A further improvement of the technical solution of the utility model is that the sodium ion battery positive electrode slurry stirring bin includes a bin body, the bottom of the bin body is fixedly connected to the top of the base, the surface of the bin body is fixedly connected to a control panel, the bottom of the bin body is fixedly connected to a discharge pipe, a discharge valve is provided at one end of the discharge pipe close to the bin body, and the interior of the discharge pipe is connected to the interior of the bin body.

[0010] A further improvement of the technical solution of the utility model is that the stirring mechanism includes a motor, the surface of the motor is fixedly connected to the top of the mounting plate, the surface of the motor shaft is fixedly connected to a first gear, the bottom of the first gear is fixedly connected to a rotating shaft, and the lower end of the rotating shaft is fixedly connected to a scraping rod.

[0011] A further improvement of the technical solution of the utility model is that a rubber strip is fixedly connected to the surface of the scraping rod, one side of the rubber strip overlaps the inner wall of the bin body, and a stirring component is meshed on the surface of the first gear.

[0012] A further improvement of the technical solution of the utility model is that the stirring assembly includes a second gear, the surface of the second gear is meshed with the surface of the first gear, a stirring rod is fixedly connected to the interior of the second gear, and the upper end of the stirring rod is rotatably connected to the top of the inner cavity of the mounting plate.

[0013] A further improvement of the technical solution of the utility model is that: a mounting rod is fixedly connected to the surface of the stirring rod, and a stirring blade is fixedly connected to the top of the mounting rod.

[0014] A further improvement of the technical solution of the utility model is that: a through hole is opened on the surface of the stirring blade, and the stirring components are provided with four groups arranged in a rectangular shape.

[0015] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0016] The utility model provides a stirring device for positive electrode slurry of sodium ion battery. Through the arrangement of multiple groups of stirring components, multiple groups of stirring blades can simultaneously stir the positive electrode slurry of sodium ion battery, and through holes are provided on the surfaces of the stirring blades so that the positive electrode slurry of sodium ion battery can flow along the through holes during the stirring process, thereby improving the stirring effect of the stirring blades on the positive electrode slurry of sodium ion battery, making the stirring efficiency higher. Meanwhile, during the stirring process, the scraping rod can drive the rubber strip to continuously scrape the slurry sticky on the inner wall of the stirring bin of the positive electrode slurry of sodium ion battery, so that the stirring is more comprehensive and more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the mounting plate of the utility model in a raised state;

[0019] Figure 3 This is a schematic diagram of the back structure of the mounting plate of the utility model in a raised state;

[0020] Figure 4 This is a schematic diagram of the stirring mechanism structure of the utility model;

[0021] Figure 5 It is a bottom view structural diagram of the stirring mechanism of the utility model.

[0022] In the figure: 1. base; 2. lifting mechanism; 21. guide rod; 22. mounting plate; 23. hydraulic cylinder; 24. bin cover; 3. sodium ion battery positive electrode slurry stirring bin; 31. bin body; 32. control panel; 33. discharge pipe; 34. discharge valve; 4. stirring mechanism; 41. motor; 42. first gear; 43. rotating shaft; 44. scraping rod; 45. rubber strip; 46. stirring assembly; 461. second gear; 462. stirring rod; 463. mounting rod; 464. stirring blade; 465. through hole. DETAILED DESCRIPTION

[0023] The present invention is further described in detail below in conjunction with the embodiments:

[0024] Example 1

[0025] like Figure 1-5As shown, the utility model provides a stirring device for positive electrode slurry of a sodium ion battery, comprising a base 1, a lifting mechanism 2 is fixedly connected to one side of the top of the base 1, a stirring bin 3 for positive electrode slurry of a sodium ion battery is fixedly connected to the middle of the top of the base 1, a stirring mechanism 4 is arranged on the top of the stirring bin 3 for positive electrode slurry of a sodium ion battery, the lifting mechanism 2 comprises a guide rod 21, the bottom of the guide rod 21 is fixedly connected to the top of the base 1, a mounting plate 22 is slidably connected to the surface of the guide rod 21, a hydraulic cylinder 23 is fixedly connected to the bottom of the mounting plate 22, the bottom of the hydraulic cylinder 23 is fixedly connected to the top of the base 1, and a bin cover 24 is fixedly connected to the bottom of the mounting plate 22.

[0026] In this embodiment, during use, the ingredients required for the sodium ion battery positive electrode slurry are first placed in the bin body 31, and then the hydraulic cylinder 23 is started. Under the action of the hydraulic cylinder 23, the mounting plate 22 is moved down along the guide rod 21, and then the bin cover 24 is covered to the top of the bin body 31, and then the sodium ion battery positive electrode slurry is stirred.

[0027] Example 2

[0028] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the sodium ion battery positive electrode slurry stirring bin 3 includes a bin body 31, the bottom of the bin body 31 is fixedly connected to the top of the base 1, the surface of the bin body 31 is fixedly connected to a control panel 32, the bottom of the bin body 31 is fixedly connected to a discharge pipe 33, and the end of the discharge pipe 33 close to the bin body 31 is provided with a discharge valve 34, the interior of the discharge pipe 33 is connected to the interior of the bin body 31, and the stirring mechanism 4 includes a motor 41, the surface of the motor 41 is fixedly connected to the top of the mounting plate 22, the surface of the motor 41 shaft is fixedly connected to a first gear 42, the bottom of the first gear 42 is fixedly connected to a rotating shaft 43, the lower end of the rotating shaft 43 is fixedly connected to a scraping rod 44, the surface of the scraping rod 44 is fixedly connected to a rubber strip 45, one side of the rubber strip 45 is overlapped with the inner wall of the bin body 31, and the surface of the first gear 42 is meshed with a stirring assembly 46.

[0029] In this embodiment, during the stirring process, the rotating shaft 43 drives the scraping rod 44 to rotate, so that the rubber strip 45 continuously scrapes the sodium ion battery positive electrode slurry adhered to the inner wall of the bin body 31, so as to avoid the sodium ion battery positive electrode slurry adhering to the inner wall of the bin body 31 and causing uneven stirring of part of the sodium ion battery positive electrode slurry. After the stirring is completed, the discharge valve 34 is opened to discharge the sodium ion battery positive electrode slurry along the discharge pipe 33. At the same time, during the discharge process, the rubber strip 45 can scrape the inner wall of the bin body 31, so that the discharge is more thorough and easier to use.

[0030] Example 3

[0031] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the stirring component 46 includes a second gear 461, the surface of the second gear 461 is meshed with the surface of the first gear 42, the interior of the second gear 461 is fixedly connected with a stirring rod 462, the upper end of the stirring rod 462 is rotatably connected to the top of the inner cavity of the mounting plate 22, the surface of the stirring rod 462 is fixedly connected with a mounting rod 463, the top of the mounting rod 463 is fixedly connected with a stirring blade 464, the surface of the stirring blade 464 is provided with a through hole 465, and the stirring component 46 is provided with four groups, which are arranged in a rectangular shape.

[0032] In this embodiment, during the stirring process, the motor 41 is started. Under the action of the motor 41, the first gear 42 drives the second gear 461 to rotate, and then the second gear 461 drives the stirring rod 462 to rotate the stirring blade 464 to stir the sodium ion battery positive electrode slurry. At the same time, during the stirring process, the sodium ion battery positive electrode slurry can flow through the through hole 465, thereby improving the cutting effect of the stirring blade 464 on the sodium ion battery positive electrode slurry, thereby improving the stirring effect. At the same time, the four groups of stirring components 46 are arranged in a rectangular shape, which can further improve the stirring efficiency.

[0033] The working principle of the stirring device for the positive electrode slurry of the sodium ion battery is described in detail below.

[0034] like Figure 1-5 As shown, during use, firstly, the ingredients required for the positive electrode slurry of the sodium ion battery are placed in the bin body 31, and then the hydraulic cylinder 23 is started. Under the action of the hydraulic cylinder 23, the mounting plate 22 is moved down along the guide rod 21, so that the bin cover 24 is covered to the top of the bin body 31, and then the positive electrode slurry of the sodium ion battery is stirred. During the stirring process, the motor 41 is started. Under the action of the motor 41, the first gear 42 drives the second gear 461 to rotate, and then the second gear 461 drives the stirring rod 462 to rotate the stirring blade 464, so as to stir the positive electrode slurry of the sodium ion battery. At the same time, during the stirring process, the positive electrode slurry of the sodium ion battery can flow through the through hole 465, thereby increasing the stirring blade 464 has a cutting effect on the positive electrode slurry of the sodium ion battery, thereby improving the stirring effect. At the same time, the four groups of stirring components 46 are arranged in a rectangular shape, which can further improve the stirring efficiency. During the stirring process, the rotating shaft 43 drives the scraping rod 44 to rotate, so that the rubber strip 45 continuously scrapes the positive electrode slurry of the sodium ion battery stuck to the inner wall of the bin body 31, so as to avoid the positive electrode slurry of the sodium ion battery sticking to the inner wall of the bin body 31 and causing uneven stirring of part of the positive electrode slurry of the sodium ion battery. After the stirring is completed, the discharge valve 34 is opened to discharge the positive electrode slurry of the sodium ion battery along the discharge pipe 33. At the same time, during the discharge process, the inner wall of the bin body 31 can be scraped by the rubber strip 45, so that the discharge is more thorough and more convenient to use.

[0035] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A stirring device for sodium ion battery positive electrode slurry, comprising a base (1), characterized in that: A lifting mechanism (2) is fixedly connected to one side of the top of the base (1), a sodium ion battery positive electrode slurry stirring chamber (3) is fixedly connected to the middle of the top of the base (1), and a stirring mechanism (4) is arranged on the top of the sodium ion battery positive electrode slurry stirring chamber (3).

2. The stirring device for sodium ion battery positive electrode slurry according to claim 1, characterized in that: The lifting mechanism (2) comprises a guide rod (21), the bottom of the guide rod (21) is fixedly connected to the top of the base (1), the surface of the guide rod (21) is slidably connected to a mounting plate (22), the bottom of the mounting plate (22) is fixedly connected to a hydraulic cylinder (23), the bottom of the hydraulic cylinder (23) is fixedly connected to the top of the base (1), and the bottom of the mounting plate (22) is fixedly connected to a bin cover (24).

3. The stirring device for sodium ion battery positive electrode slurry according to claim 1, characterized in that: The sodium ion battery positive electrode slurry stirring bin (3) comprises a bin body (31), the bottom of the bin body (31) is fixedly connected to the top of the base (1), a control panel (32) is fixedly connected to the surface of the bin body (31), a discharge pipe (33) is fixedly connected to the bottom of the bin body (31), a discharge valve (34) is provided at one end of the discharge pipe (33) close to the bin body (31), and the interior of the discharge pipe (33) is communicated with the interior of the bin body (31).

4. The stirring device for sodium ion battery positive electrode slurry according to claim 1, characterized in that: The stirring mechanism (4) comprises a motor (41), the surface of the motor (41) is fixedly connected to the top of the mounting plate (22), the surface of the rotating shaft of the motor (41) is fixedly connected to a first gear (42), the bottom of the first gear (42) is fixedly connected to a rotating shaft (43), and the lower end of the rotating shaft (43) is fixedly connected to a scraping rod (44).

5. The stirring device for sodium ion battery positive electrode slurry according to claim 4, characterized in that: A rubber strip (45) is fixedly connected to the surface of the scraping rod (44), one side of the rubber strip (45) overlaps the inner wall of the bin body (31), and a stirring assembly (46) is meshed on the surface of the first gear (42).

6. The stirring device for sodium ion battery positive electrode slurry according to claim 5, characterized in that: The stirring assembly (46) comprises a second gear (461), the surface of the second gear (461) is meshed with the surface of the first gear (42), a stirring rod (462) is fixedly connected to the interior of the second gear (461), and the upper end of the stirring rod (462) is rotatably connected to the top of the inner cavity of the mounting plate (22).

7. The stirring device for sodium ion battery positive electrode slurry according to claim 6, characterized in that: A mounting rod (463) is fixedly connected to the surface of the stirring rod (462), and a stirring blade (464) is fixedly connected to the top of the mounting rod (463).

8. The stirring device for sodium ion battery positive electrode slurry according to claim 7, characterized in that: The surface of the stirring blade (464) is provided with a through hole (465), and the stirring assembly (46) is provided with four groups arranged in a rectangular shape.

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