Diaphragm coating device for sodium ion battery production

Abstract

The invention discloses a sodium ion battery production diaphragm coating device which comprises a processing box, a processing frame is fixed to the top end of the processing box, a coating roller is rotationally connected to the bottom end of the processing frame, a plurality of spraying heads facing the coating roller are arranged at the top end of the inner wall of the processing frame, and a supporting roller located below the coating roller is arranged at the bottom end of the processing frame; according to the diaphragm coating device for sodium ion battery production, after coating slurry is sprayed to the coating roller, under the action of the elastic assembly, a sliding plate is driven to move, the sliding plate drives a scraping plate to move, the scraping plate is driven to move, and the coating slurry is uniformly sprayed to the coating roller, so that the coating slurry is uniformly sprayed to the coating roller; according to the coating device, the scraping plate is arranged on the coating roller, so that the scraping plate is close to and in contact with the coating roller, and then the coating slurry on the coating roller can be scraped to be flat through the scraping plate during rotation of the coating roller, so that the coating roller is uniformly coated with the coating slurry, the coating slurry can be conveniently and uniformly coated on the diaphragm, and the coating effect of the diaphragm is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sodium ion battery production, and in particular to a diaphragm coating device for sodium ion battery production. Background Art

[0002] Sodium-ion batteries have the characteristics of high safety, no pollution, low cost and long life, and can meet the requirements of large-scale energy storage systems. As one of the key technologies for the development and utilization of renewable energy (such as solar energy and wind energy) and the construction of smart grids, their research and industrialization have received more and more attention. This paper reviews the development history, principles, material systems and industrialization status of aqueous sodium-ion batteries. It also briefly introduces demonstration and application examples at home and abroad, and points out the direction of future key technologies and industrial development. After rapid development in recent years, sodium-ion batteries have developed a series of positive and negative electrode materials with high specific capacity and high cycle stability.

[0003] In the related technology, a main coating roller and an auxiliary coating roller are provided, and a connecting head is screwed together with a second connecting hole on another auxiliary coating roller, so that the auxiliary coating rollers of the number required by personnel can be connected end to end, and then the length of the auxiliary coating roller can be adjusted to the length required by personnel, and the connecting head is screwed together with the first connecting hole, and then the length of the auxiliary coating roller and the main coating roller can be adjusted to achieve the size of the coating area of ​​the adjusting device, so that the device can be adjusted according to the specifications of the diaphragm, thereby increasing the use range of the device and meeting different usage scenarios.

[0004] However, when the coating slurry is sprayed onto the main coating roller and the auxiliary coating roller through the main spray pipe and the auxiliary spray pipe, it is impossible to ensure that the coating slurry is evenly sprayed on the main coating roller and the auxiliary coating roller, resulting in uneven coating thickness of the coating slurry on the diaphragm substrate, thereby affecting the uniform coating of the diaphragm substrate and reducing the coating effect of the diaphragm substrate. Summary of the invention

[0005] In order to solve the above problems, the purpose of the present invention is to provide a diaphragm coating device for sodium ion battery production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention proposes a diaphragm coating device for sodium ion battery production, comprising: a processing box, a processing frame is fixed on the top of the processing box, a coating roller is rotatably connected to the bottom of the processing frame, a plurality of spray heads facing the coating roller are arranged on the top of the inner wall of the processing frame, a supporting roller located below the coating roller is arranged on the bottom of the processing frame, both ends of the supporting roller are rotatably connected to a first slider, both sides of the processing frame are provided with a first slide groove for the first slider to slide, one side of the processing frame is provided with an adjusting component for driving the first slider to move, a supporting frame is fixed on one side of the processing frame, a slide plate is slidably arranged in the supporting frame, and a scraper that contacts the coating roller is fixed on one side of the slide plate;

[0007] A support assembly, which is arranged between the support frame and the skateboard and is used to support the movement of the skateboard;

[0008] The elastic component is arranged on the inner wall of the support frame, and the elastic component is hinged to the slide board to drive the elastic movement of the slide board.

[0009] In one example, the adjustment assembly includes a first drive motor fixedly arranged on one side of the processing frame, a first connecting rod is fixed to the output shaft of the first drive motor, a second connecting rod is hinged at one end of the first connecting rod, and a third connecting rod is hinged at one end of the second connecting rod that rotates with the first slider.

[0010] In one example, the support assembly includes a first support rod fixedly arranged on the inner wall of the support frame, and one end of the first support rod is interspersed and connected with a second support rod fixed to the skateboard.

[0011] In one example, the elastic component includes two push rods hingedly arranged on one side of the skateboard, one end of each of the push rods is hinged with a second slider, the inner wall of the support frame is provided with a second slide groove for the second slider to slide, and the second slide groove is fixedly connected to the second slider through a spring.

[0012] In one example, a spray pipe connected to a spray head is fixed to the top of the inner wall of the processing frame, a liquid supply box is fixed to the top of the processing frame, the liquid supply box is connected to the spray pipe through the liquid supply pipe, a control valve is fixed to the outer wall of the liquid supply pipe, one side of the top of the liquid supply box is connected to a liquid inlet pipe, a plurality of stirring rods are rotatably connected inside the liquid supply box, stirring blades are fixed to the outer walls of the plurality of stirring rods, and a driving assembly for driving the stirring rods to move is provided at the top of the liquid supply box.

[0013] In one example, the driving assembly includes a pulley fixedly mounted on the outer wall of a plurality of stirring rods, two adjacent pulleys are connected via a belt drive, and a second driving motor fixed to the stirring rod is fixed at the top of the liquid supply tank.

[0014] In one example, two support plates are fixed on one side of the processing box, a guide roller is rotatably connected between the two support plates, the top ends of the two support plates are fixedly connected by a ventilation pipe, the bottom end of the ventilation pipe is connected to a plurality of blowing heads, and a drying component connected to the ventilation pipe is provided on one side of the support plate.

[0015] In one example, the drying component includes a drying box fixedly arranged on one side of a support plate, the drying box is connected to a ventilation duct through an air supply duct, a semiconductor refrigeration sheet is embedded at the bottom end of the inner wall of the drying box, a conical air guide hood located above the semiconductor refrigeration sheet is fixed inside the drying box, and a flow guide component is provided in the drying box between the semiconductor refrigeration sheet and the conical air guide hood.

[0016] In one example, the guide assembly includes a bracket fixedly mounted on the inner wall of a drying box, the top end of the bracket is rotatably connected to a fan shaft, the outer wall of the fan shaft is fixed with fan blades, and the outer wall of the drying box is provided with a linkage assembly that drives the fan shaft to rotate.

[0017] In one example, the linkage assembly includes a third drive motor fixedly arranged on one side of the drying box, the output shaft of the third drive motor is fixed with a driving wheel, the outer wall of the fan shaft is sleeved with a driven wheel, and the driving wheel is connected to the driven wheel through a chain.

[0018] The diaphragm coating device for sodium ion battery production proposed by the present invention can bring the following beneficial effects:

[0019] 1. A diaphragm coating device for sodium ion battery production, when the coating slurry is sprayed onto the coating roller, the elastic component drives the movement of the slide plate, and the slide plate drives the movement of the scraper plate, so that the scraper plate approaches and contacts the coating roller. Then, when the coating roller rotates, the coating slurry on the coating roller can be scraped flat by the scraper plate, so that the coating slurry is evenly wrapped on the coating roller, thereby facilitating the uniform coating of the coating slurry on the diaphragm and improving the coating effect of the diaphragm.

[0020] 2. A diaphragm coating device for sodium ion battery production, when the diaphragm passes between the coating roller and the support roller, the movement of the adjusting component drives the first slider to move up and down, and the first slider drives the support roller to move up and down, and adjusts the distance between the support roller and the coating roller so that the distance between them can adapt to diaphragms of different thicknesses, thereby facilitating the coating of diaphragms of different thicknesses and improving the coating efficiency of the diaphragms.

[0021] 3. The diaphragm coating device for sodium ion battery production delivers the coating slurry to the liquid supply tank through the liquid inlet pipe, and then drives the rotation of the stirring rod and the stirring blade under the movement of the driving component to stir the coating slurry in the liquid supply tank, thereby preventing the coating slurry from settling and solidifying, facilitating the coating and use of the coating slurry, and improving the coating efficiency of the diaphragm.

[0022] 4. A diaphragm coating device for sodium ion battery production, after the diaphragm coating is completed, the diaphragm is passed between the guide roller and the ventilation duct, and then the heat is transported to the drying box through the semiconductor refrigeration sheet, and then the movement of the linkage component drives the rotation of the fan shaft and the fan blades to transport the heat upward, thereby transporting the heat to the air supply duct, and then to the ventilation duct, and then blown to the surface of the diaphragm through the blower head, so as to dry the diaphragm, facilitate the rapid air drying of the diaphragm, and improve the air drying efficiency of the diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the planar structure of the support frame of the present invention;

[0026] Figure 3 This is a schematic diagram of the processing frame structure of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the liquid supply box of the present invention;

[0028] Figure 5 This is a schematic diagram of the planar structure of the drying component of the present invention;

[0029] Figure 6 It is a schematic diagram of the plan structure of the drying box of the present invention.

[0030] In the figure: 1, processing box; 2, processing frame; 3, coating roller; 4, spray head; 5, support roller; 6, first slider; 7, first slide; 8, adjustment component; 81, first drive motor; 82, first connecting rod; 83, second connecting rod; 84, third connecting rod; 9, support frame; 10, slide plate; 11, scraper; 12, support component; 121, first support rod; 122, second support rod; 13, elastic component; 131, push rod; 132, second slider; 133, second slide; 134, spring; 14, spray pipe; 15, liquid supply box; 16, liquid supply pipe; 17, control Valve; 18, liquid inlet pipe; 19, stirring rod; 20, stirring blade; 21, driving assembly; 211, pulley; 212, belt; 213, second driving motor; 22, support plate; 23, guide roller; 24, ventilation pipe; 25, hair dryer; 26, drying assembly; 261, drying box; 262, air supply pipe; 263, semiconductor refrigeration plate; 264, conical air guide cover; 27, flow guide assembly; 271, bracket; 272, fan shaft; 273, fan blade; 28, linkage assembly; 281, third driving motor; 282, driving wheel; 283, driven wheel; 284, chain. DETAILED DESCRIPTION

[0031] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0032] In the description of the present invention, it is necessary to understand that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present invention, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one scheme", "some schemes", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same scheme or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more schemes or examples in a suitable manner.

[0036] Embodiment 1:

[0037] like Figure 1-2As shown, an embodiment of the present invention proposes a diaphragm coating device for sodium ion battery production, comprising: a processing box 1, a processing frame 2 is fixed on the top of the processing box 1, a coating roller 3 is rotatably connected to the bottom end of the processing frame 2, a plurality of spray heads 4 facing the coating roller 3 are arranged at the top of the inner wall of the processing frame 2, a supporting roller 5 located below the coating roller 3 is arranged at the bottom end of the processing frame 2, both ends of the supporting roller 5 are rotatably connected to a first slider 6, both sides of the processing frame 2 are provided with a first slide groove 7 for the first slider 6 to slide, one side of the processing frame 2 is provided with an adjusting component 8 for driving the first slider 6 to move, a supporting frame 9 is fixed to one side of the processing frame 2, a slide plate 10 is slidably provided in the supporting frame 9, a scraper 11 that contacts the coating roller 3 is fixed to one side of the slide plate 10, a supporting component 12 is arranged between the supporting frame 9 and the slide plate 10, and is used to support the movement of the slide plate 10, an elastic component 13 is arranged on the inner wall of the supporting frame 9, and an elastic component 13 is arranged on the inner wall of the supporting frame 9. The elastic component 13 is hinged to the skateboard 10 and is used to drive the elastic movement of the skateboard 10. The adjusting component 8 includes a first driving motor 81 fixedly arranged on one side of the processing frame 2, and the output shaft of the first driving motor 81 is fixed with a first connecting rod 82, one end of the first connecting rod 82 is hinged with a second connecting rod 83, and one end of the second connecting rod 83 is hinged with a third connecting rod 84 that rotates with the first slider 6. The supporting component 12 includes a first supporting rod 121 fixedly arranged on the inner wall of the supporting frame 9, and one end of the first supporting rod 121 is interlaced and connected with the second supporting rod 122 fixed to the skateboard 10. The elastic component 13 includes two push rods 131 hingedly arranged on one side of the skateboard 10, and one end of the two push rods 131 are hinged with a second slider 132. The inner wall of the supporting frame 9 is provided with a second sliding groove 133 for the second slider 132 to slide, and the second sliding groove 133 is fixedly connected to the second slider 132 through a spring 134.

[0038] In this embodiment, when coating the diaphragm, the diaphragm is passed between the coating roller 3 and the supporting roller 5, and the diaphragm is supported under the coating roller 3 by the supporting roller 5, and the first connecting rod 82 is driven to rotate under the movement of the first driving motor 81, and the first connecting rod 82 drives the movement of the second connecting rod 83, and the second connecting rod 83 drives the up and down movement of the first slider 6 through the third connecting rod 84, and the first slider 6 drives the up and down movement of the supporting roller 5, and the distance between the supporting roller 5 and the coating roller 3 is adjusted to make the distance between them adapt to the diaphragms of different thicknesses, so as to facilitate the coating of diaphragms of different thicknesses, and then the coating slurry is sprayed onto the coating roller 3 through the spray head 4, and then the diaphragm drives the rotation of the coating roller 3 under the pull of the diaphragm, and the diaphragm can be coated. The film is coated, and at the same time, when the spray slurry is sprayed on the coating roller 3, the elastic action of the spring 134 drives the movement of the second slider 132, the second slider 132 drives the movement of the push rod 131, and the push rod 131 drives the movement of the slide plate 10. At the same time, with the cooperation of the first support rod 121 and the second support rod 122, it is convenient to support the slide plate 10 and keep the movement of the slide plate 10 stable. The slide plate 10 drives the movement of the scraper 11, so that the scraper 11 approaches and contacts the coating roller 3, and then when the coating roller 3 rotates, the coating slurry on the coating roller 3 can be scraped flat by the scraper 11, so that the coating slurry is evenly wrapped on the coating roller 3, thereby facilitating the coating slurry to be evenly coated on the diaphragm, thereby improving the coating effect of the diaphragm.

[0039] Embodiment 2:

[0040] like Figure 3-4 As shown, a spray pipe 14 connected to the spray head 4 is fixed to the top of the inner wall of the processing frame 2, and a liquid supply box 15 is fixed to the top of the processing frame 2. The liquid supply box 15 is connected to the spray pipe 14 through a liquid supply pipe 16, and a control valve 17 is fixed to the outer wall of the liquid supply pipe 16. One side of the top of the liquid supply box 15 is connected to a liquid inlet pipe 18. A plurality of stirring rods 19 are rotatably connected to the inside of the liquid supply box 15, and stirring blades 20 are fixed to the outer walls of the plurality of stirring rods 19. A driving assembly 21 for driving the stirring rods 19 is provided at the top of the liquid supply box 15. The driving assembly 21 includes a pulley 211 fixedly arranged on the outer walls of the plurality of stirring rods 19, and two adjacent pulleys 211 are connected by a belt 212 for transmission. A second driving motor 213 fixed to the stirring rod 19 is fixed to the top of the liquid supply box 15.

[0041] In this embodiment, the coating slurry is first transported to the liquid supply tank 15 through the liquid inlet pipe 18, and then one of the stirring rods 19 is driven to rotate under the movement of the second drive motor 213. At the same time, under the transmission of the pulley 211 and the belt 212, multiple stirring rods 19 can be driven to rotate synchronously, thereby driving the corresponding stirring blades 20 to rotate, so as to stir the coating slurry in the liquid supply tank 15 to avoid sedimentation and coagulation of the coating slurry, thereby facilitating the coating and use of the coating slurry. Then, the control valve 17 is opened to transport the coating slurry in the liquid supply tank 15 to the liquid supply pipe 16, and then to the spray pipe 14, and then sprayed to the coating roller 3 through the spray head 4, so as to coat the diaphragm, facilitate rapid coating of the diaphragm, and improve the coating efficiency of the diaphragm.

[0042] Embodiment three:

[0043] like Figure 5-6 As shown, two support plates 22 are fixed on one side of the processing box 1, and a guide roller 23 is rotatably connected between the two support plates 22. The top ends of the two support plates 22 are fixedly connected through a ventilation pipe 24, and the bottom end of the ventilation pipe 24 is connected with a plurality of blowing heads 25. A drying component 26 connected to the ventilation pipe 24 is provided on one side of the support plate 22. The drying component 26 includes a drying box 261 fixedly arranged on one side of the support plate 22, and the drying box 261 is connected to the ventilation pipe 24 through an air supply pipe 262. A semiconductor cooling sheet 263 is embedded at the bottom end of the inner wall of the drying box 261, and a conical air guide cover 264 located above the semiconductor cooling sheet 263 is fixed inside the drying box 261. The drying box 261 is provided with a plurality of air blowing heads 25. 1 is provided with a guide assembly 27 located between the semiconductor cooling sheet 263 and the conical air guide cover 264, the guide assembly 27 includes a bracket 271 fixedly arranged on the inner wall of the drying box 261, the top of the bracket 271 is rotatably connected with a fan shaft 272, the outer wall of the fan shaft 272 is fixed with a fan blade 273, the outer wall of the drying box 261 is provided with a linkage assembly 28 for driving the fan shaft 272 to rotate, the linkage assembly 28 includes a third driving motor 281 fixedly arranged on one side of the drying box 261, the output shaft of the third driving motor 281 is fixed with a driving wheel 282, the outer wall of the fan shaft 272 is sleeved with a driven wheel 283, and the driving wheel 282 is transmission-connected with the driven wheel 283 through a chain 284.

[0044] In this embodiment, after the diaphragm coating is completed, the diaphragm is passed through the ventilation pipe 24 and the guide roller 23, and then the semiconductor refrigeration sheet 263 starts to work, the cold end of the semiconductor refrigeration sheet 263 faces the outside of the drying box 261, and the hot end of the semiconductor refrigeration sheet 263 faces the inside of the drying box 261, so that heat can be transported to the drying box 261 through the semiconductor refrigeration sheet 263, and then the third driving motor 281 drives the driving wheel 282 to rotate, and the driving wheel 282 drives the driven wheel 283 to rotate through the chain 284. The side wall of the drying box 261 is provided with a side groove for the chain 284 to pass through, which facilitates the movement of the chain 284. The driven wheel 283 drives the rotation of the fan shaft 272, and the fan shaft 272 drives the rotation of the fan blades 273 to transport the heat upward. At the same time, the setting of the conical air guide cover 264 facilitates the conduction of heat, that is, the heat is transported to the air supply pipe 262, and then transported to the ventilation pipe 24, and then blown to the surface of the diaphragm through the blowing head 25, so as to dry the diaphragm, facilitate the rapid air drying of the diaphragm, and improve the air drying efficiency of the diaphragm.

[0045] The working principle of a diaphragm coating device for sodium ion battery production is as follows: first, the coating slurry is transported to the liquid supply box 15 through the liquid inlet pipe 18, and then, under the movement of the second drive motor 213, one of the stirring rods 19 is driven to rotate, and at the same time, under the transmission of the pulley 211 and the belt 212, multiple stirring rods 19 can be driven to rotate synchronously, thereby driving the corresponding stirring blades 20 to rotate, so that the coating slurry in the liquid supply box 15 can be stirred to prevent the coating slurry from settling and solidifying, and facilitate the coating and use of the coating slurry. Then, the control valve 17 is opened to transport the coating slurry in the liquid supply box 15 to the liquid supply pipe 16, and then to the spray pipe 14, and then sprayed to the coating roller through the spray head 4. 3, the diaphragm can be coated, which is convenient for rapid coating of the diaphragm and improves the coating efficiency of the diaphragm. Then, the diaphragm passes between the coating roller 3 and the supporting roller 5, and the diaphragm is supported under the coating roller 3 by the supporting roller 5. Under the movement of the first driving motor 81, the first connecting rod 82 is driven to rotate, and the first connecting rod 82 drives the movement of the second connecting rod 83. The second connecting rod 83 drives the up and down movement of the first slider 6 through the third connecting rod 84, and the first slider 6 drives the up and down movement of the supporting roller 5. The distance between the supporting roller 5 and the coating roller 3 is adjusted so that the distance between them can adapt to diaphragms of different thicknesses, thereby facilitating the coating of diaphragms of different thicknesses. Then, under the pulling of the diaphragm, the diaphragm drives the rotation of the coating roller 3 , the diaphragm can be coated. At the same time, after the spray slurry is sprayed on the coating roller 3, the spring 134 drives the second slider 132 to move under the elastic action of the spring 134, and the second slider 132 drives the push rod 131 to move, and the push rod 131 drives the slide plate 10 to move, and the slide plate 10 drives the scraper 11 to move, so that the scraper 11 is close to the coating roller 3, and then when the coating roller 3 rotates, the coating slurry on the coating roller 3 can be scraped flat by the scraper 11, so that the coating slurry is evenly wrapped on the coating roller 3, so that it is convenient to evenly coat the coating slurry on the diaphragm, thereby improving the coating effect of the diaphragm. After the diaphragm coating is completed, the diaphragm is passed through the ventilation pipe 24 and the guide roller 23, and then the semiconductor refrigeration sheet When 263 starts to work, heat can be transported to the drying box 261 through the semiconductor refrigeration sheet 263, and then the third driving motor 281 drives the rotation of the driving wheel 282, and the driving wheel 282 drives the rotation of the driven wheel 283 through the chain 284, and the driven wheel 283 drives the rotation of the fan shaft 272, and the fan shaft 272 drives the rotation of the fan blades 273, so that the heat can be transported upward. At the same time, the setting of the conical air guide cover 264 is convenient for guiding the heat, and the heat can be transported to the air supply pipe 262, and then transported to the ventilation pipe 24, and then blown to the surface of the diaphragm through the blowing head 25, so that the diaphragm can be dried, which is convenient for the rapid air drying of the diaphragm and improves the air drying efficiency of the diaphragm.

[0046] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0047] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A diaphragm coating device for sodium ion battery production, comprising: A processing box (1), characterized in that: a processing frame (2) is fixed at the top of the processing box (1), a coating roller (3) is rotatably connected to the bottom of the processing frame (2), a plurality of spray heads (4) facing the coating roller (3) are arranged at the top of the inner wall of the processing frame (2), a supporting roller (5) located below the coating roller (3) is arranged at the bottom of the processing frame (2), both ends of the supporting roller (5) are rotatably connected to a first slider (6), both sides of the processing frame (2) are provided with a first slide groove (7) for the first slider (6) to slide, one side of the processing frame (2) is provided with an adjustment component (8) for driving the first slider (6) to move, a supporting frame (9) is fixed to one side of the processing frame (2), a slide plate (10) is slidably arranged in the supporting frame (9), and a scraper (11) that contacts the coating roller (3) is fixed to one side of the slide plate (10); A support assembly (12), which is arranged between the support frame (9) and the slide plate (10) and is used to support the movement of the slide plate (10); An elastic component (13) is arranged on the inner wall of the support frame (9); the elastic component (13) is hinged to the slide plate (10) and is used to drive the elastic movement of the slide plate (10).

2. A diaphragm coating device for sodium ion battery production according to claim 1, characterized in that: The adjustment assembly (8) comprises a first drive motor (81) fixedly arranged on one side of the processing frame (2); a first connecting rod (82) is fixedly arranged on the output shaft of the first drive motor (81); a second connecting rod (83) is hingedly connected to one end of the first connecting rod (82); and a third connecting rod (84) is hingedly connected to one end of the second connecting rod (83) and is rotated with the first slider (6).

3. The diaphragm coating device for sodium ion battery production according to claim 1, characterized in that: The support assembly (12) comprises a first support rod (121) fixedly arranged on the inner wall of the support frame (9), and one end of the first support rod (121) is interlacedly connected with a second support rod (122) fixed to the slide plate (10).

4. A diaphragm coating device for sodium ion battery production according to claim 3, characterized in that: The elastic component (13) comprises two push rods (131) hingedly arranged on one side of the slide plate (10), one end of each of the two push rods (131) is hingedly connected with a second slider (132), the inner wall of the support frame (9) is provided with a second slide groove (133) for the second slider (132) to slide, and the second slide groove (133) is fixedly connected to the second slider (132) via a spring (134).

5. The diaphragm coating device for sodium ion battery production according to claim 1, characterized in that: A spray pipe (14) connected to the spray head (4) is fixed to the top of the inner wall of the processing frame (2); a liquid supply box (15) is fixed to the top of the processing frame (2); the liquid supply box (15) is connected to the spray pipe (14) through a liquid supply pipe (16); a control valve (17) is fixed to the outer wall of the liquid supply pipe (16); one side of the top of the liquid supply box (15) is connected to a liquid inlet pipe (18); a plurality of stirring rods (19) are rotatably connected inside the liquid supply box (15); stirring blades (20) are fixed to the outer walls of the plurality of stirring rods (19); and a driving assembly (21) for driving the stirring rods (19) to move is provided at the top of the liquid supply box (15).

6. A diaphragm coating device for sodium ion battery production according to claim 5, characterized in that: The driving assembly (21) comprises a pulley (211) fixedly arranged on the outer wall of a plurality of stirring rods (19), and two adjacent pulleys (211) are connected to each other by a belt (212). A second driving motor (213) fixed to the stirring rod (19) is fixed at the top end of the liquid supply box (15).

7. A diaphragm coating device for sodium ion battery production according to claim 1, characterized in that: Two support plates (22) are fixed on one side of the processing box (1), a guide roller (23) is rotatably connected between the two support plates (22), the top ends of the two support plates (22) are fixedly connected via a ventilation pipe (24), the bottom end of the ventilation pipe (24) is connected to a plurality of blowing heads (25), and a drying component (26) connected to the ventilation pipe (24) is provided on one side of the support plate (22).

8. A diaphragm coating device for sodium ion battery production according to claim 7, characterized in that: The drying component (26) includes a drying box (261) fixedly arranged on one side of the support plate (22); the drying box (261) is connected to the ventilation pipe (24) through an air supply pipe (262); a semiconductor cooling plate (263) is embedded at the bottom end of the inner wall of the drying box (261); a conical air guide cover (264) located above the semiconductor cooling plate (263) is fixed inside the drying box (261); and a flow guide component (27) is provided inside the drying box (261) and is located between the semiconductor cooling plate (263) and the conical air guide cover (264).

9. A diaphragm coating device for sodium ion battery production according to claim 8, characterized in that: The guide assembly (27) comprises a bracket (271) fixedly arranged on the inner wall of the drying box (261); the top end of the bracket (271) is rotatably connected to a fan shaft (272); a fan blade (273) is fixed to the outer wall of the fan shaft (272); and a linkage assembly (28) is provided on the outer wall of the drying box (261) for driving the fan shaft (272) to rotate.

10. A diaphragm coating device for sodium ion battery production according to claim 9, characterized in that: The linkage assembly (28) comprises a third drive motor (281) fixedly arranged on one side of the drying box (261); a driving wheel (282) is fixedly arranged on the output shaft of the third drive motor (281); a driven wheel (283) is sleeved on the outer wall of the fan shaft (272); and the driving wheel (282) is transmission-connected to the driven wheel (283) via a chain (284).

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