Solid electrolyte film spraying device

Abstract

The utility model discloses a solid electrolyte film spraying device, and relates to the technical field of spraying equipment. The upper end of the spraying box is fixedly connected with a powder electrostatic spray gun, the output end of the powder electrostatic spray gun is connected with a wide-angle spray head through a spraying communicating pipe, a supporting cylinder is arranged below the wide-angle spray head, tensioning mechanisms are arranged on the left side and the right side of the supporting cylinder correspondingly, and a negative pressure pump is arranged outside the supporting cylinder. During use, negative pressure is formed in the supporting cylinder through the negative pressure pump, the electrolyte film substrate film is adsorbed and stabilized through the negative pressure holes in the side wall of the supporting cylinder, and meanwhile the vibration influence of impact force on the electrolyte film substrate film in the spraying process is effectively reduced through cooperation with the tensioning mechanisms on the left side and the right side; and the uniformity and the quality stability of the film coating are ensured. And meanwhile, electrolyte powder in the air is adsorbed and recycled through the negative pressure holes in the side wall of the supporting cylinder and is collected in the powder collecting box, so that the utilization rate of materials is increased, environmental pollution is reduced, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of spraying equipment technology, and in particular to a solid electrolyte thin film spraying device. Background Technology

[0002] Solid-state electrolyte films, as a core component of solid-state batteries, are crucial for improving battery performance and safety due to their excellent ion conductivity and superior chemical stability. For the efficient and uniform fabrication of these films, spraying equipment plays an irreplaceable role. It precisely coats the solid-state electrolyte material onto the substrate surface, ensuring the quality and consistency of the film, making it a key step in the solid-state battery manufacturing process. However, currently used spraying equipment mostly relies on spray guns. During the spraying process, the impact of the sprayed liquid flow can easily cause vibration in the substrate film. This vibration not only affects the uniformity of the coating but may also damage the microstructure of the material, thereby reducing the overall performance of the solid-state electrolyte film.

[0003] Therefore, this application proposes a solid electrolyte thin film spraying device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a solid electrolyte thin film spraying device, which solves the technical problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a solid electrolyte thin film spraying device, comprising a spraying box and an electrolyte thin film substrate film. The left and right side walls of the spraying box are respectively provided with a spraying inlet and a spraying outlet. The electrolyte thin film substrate film enters the spraying box through the spraying inlet and exits through the spraying outlet. A powder electrostatic spray gun is fixedly connected to the upper end of the spraying box. An inlet pipe is provided at the input end of the powder electrostatic spray gun. The output end of the powder electrostatic spray gun penetrates the upper side wall of the spraying box and is fixedly connected to a spraying connecting pipe. A wide-angle nozzle is provided at the lower end of the spraying connecting pipe. A support cylinder is provided below the wide-angle nozzle. The front and rear ends of the support cylinder are rotatably connected to the front and rear inner walls of the spraying box, respectively. A synchronous motor is provided at the front end of the spraying box. The output end of the synchronous motor penetrates the front side wall of the spraying box and is fixedly connected to the front end of the support cylinder. Tensioning mechanisms are provided on both the left and right sides of the support cylinder.

[0006] The tensioning mechanism includes a limiting plate, the front and rear ends of which are fixedly connected to the inner walls of the front and rear sides of the spray box, respectively. A tensioning frame is provided below the limiting plate. The tensioning frame is U-shaped. A tensioning rod is provided on the inner side of the tensioning frame. The front and rear ends of the tensioning rod are rotatably connected to the inner walls of the front and rear sides of the tensioning frame, respectively. Several sliding rods are fixedly connected to the upper end of the tensioning frame. The upper end of the sliding rod passes through the limiting plate and is fixedly connected to a top baffle. A tension spring is sleeved on the sliding rod. The upper and lower ends of the tension spring are fixedly connected to the adjacent side walls of the limiting plate and the tensioning frame, respectively.

[0007] Preferably, a plurality of negative pressure holes are provided on the side wall of the peripheral surface of the support cylinder, a recovery box and a negative pressure pump are provided on the rear side of the spray box, the input end of the negative pressure pump is connected to the recovery box, a recovery pipe is fixedly connected to the side wall of the recovery box, and the end of the recovery pipe away from the recovery box passes through the rear side wall of the spray box and the rear side wall of the support cylinder in sequence, and is connected to the support cylinder.

[0008] Preferably, a powder baffle is provided on the side of the tensioning mechanism away from the support cylinder. The powder baffle is located above the electrolyte membrane base film, and the upper end and the front and rear ends of the powder baffle are fixedly connected to the upper inner wall and the front and rear inner walls of the spray box, respectively.

[0009] Preferably, the inner side of the spray box is provided with two limiting rods one and two limiting rods two. The front and rear ends of the two limiting rods one and two limiting rods two are rotatably connected to the inner walls of the front and rear sides of the spray box, respectively. The two limiting rods one and two limiting rods two are respectively located on the upper and lower sides of the electrolyte film base membrane. The limiting rod one is located between the left powder baffle and the spray inlet, and the limiting rod two is located between the right powder baffle and the spray outlet.

[0010] Preferably, a dust collection box is provided above the electrolyte membrane base membrane, and a plurality of dust collection holes are provided on the lower side wall of the dust collection box. The dust collection box is located between the limiting rod and the left powder baffle. The front and rear ends of the dust collection box are fixedly connected to the inner walls of the front and rear sides of the spraying box, respectively. A dust collection box is provided on the rear side of the spraying box. The dust collection box is connected to the dust collection box. A negative pressure pipe is fixedly connected to the dust collection box. The negative pressure pipe is connected to the input end of the negative pressure pump.

[0011] Preferably, a high-temperature baking frame is fixedly connected to the right end of the spray box, the electrolyte film base film is located inside the high-temperature baking frame, and an electric heating baking plate is provided on the upper inner wall of the high-temperature baking frame.

[0012] Compared with related technologies, the solid electrolyte thin film spraying device provided by this utility model has the following beneficial effects:

[0013] 1. This utility model provides a solid electrolyte film spraying device. In this solution, a support cylinder is provided inside the spraying box, and tensioning mechanisms are provided on both the left and right sides of the support cylinder. During use, the electrolyte film base film passes through the lower part of the left tensioning mechanism and the upper end of the support cylinder in one go, and then passes out from the lower part of the right tensioning mechanism. A negative pressure pump is provided on the rear side of the spraying box. During use, the negative pressure pump creates a negative pressure inside the support cylinder, and the negative pressure holes on the side wall of the support cylinder adsorb and stabilize the electrolyte film base film. At the same time, in conjunction with the tensioning mechanisms on the left and right sides, it effectively reduces the impact of the impact force on the electrolyte film base film during the spraying process, ensuring the uniformity and quality stability of the film coating.

[0014] 2. This utility model provides a solid electrolyte film spraying device. The device has a powder collection box between the negative pressure pump and the support cylinder. While using the negative pressure pump to assist in tensioning the electrolyte film base film, the negative pressure holes on the side wall of the support cylinder are used to adsorb and recover the electrolyte powder in the air and collect it in the powder collection box. This not only improves the utilization rate of materials, but also reduces environmental pollution and lowers production costs.

[0015] 3. This utility model provides a solid electrolyte film spraying device, which integrates a high-temperature baking frame on the right side of the spraying box. This allows for high-temperature baking of the film immediately after spraying, accelerating solvent evaporation and curing processes, and improving production efficiency and the physicochemical properties of the film.

[0016] 4. This utility model provides a solid electrolyte film spraying device. Before spraying, the electrolyte film substrate is cleaned by negative pressure adsorption using a negative pressure pump and a dust collection box. The cleaned dust is collected in a dust collection box to avoid the dust from adversely affecting the spraying of the electrolyte material. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a three-dimensional structural diagram of the present invention from another angle;

[0019] Figure 3 This is a cross-sectional three-dimensional structural diagram of the present invention;

[0020] Figure 4 for Figure 3 Enlarged view of a portion of point A in the middle;

[0021] Figure 5 for Figure 3 Enlarged view of a section at point B in the middle;

[0022] Figure 6 for Figure 3 Enlarged view of a section at point C;

[0023] Figure 7 This is a schematic diagram of the positional structure of the tensioning mechanism of this novel utility model.

[0024] In the diagram: 1. Spraying box; 2. Spraying inlet; 3. High-temperature baking frame; 4. Powder electrostatic spray gun; 5. Feed pipe; 6. Spraying outlet; 7. Powder baffle; 8. Spraying connecting pipe; 9. Wide-angle nozzle; 10. Support cylinder; 11. Negative pressure hole; 12. Synchronous motor; 13. Recovery box; 14. Recovery pipe; 15. Negative pressure pump; 16. Negative pressure pipe; 17. Dust collection box; 18. Dust collection box; 19. Dust collection hole; 20. Limiting rod one; 21. Electrolyte membrane base membrane; 22. Limiting plate; 23. Tensioning frame; 24. Tensioning rod; 25. Sliding rod; 26. Top baffle; 27. Tensioning spring; 28. Limiting rod two; 29. ​​Electric heating baking plate. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-7 This utility model provides a technical solution: a solid electrolyte thin film spraying device, including a spraying box 1 and an electrolyte thin film substrate 21. An external rotating mechanism is provided on the right side of the electrolyte thin film substrate 21, which enables the electrolyte thin film substrate 21 to move stably. Spraying inlets 2 and spraying outlets 6 are respectively opened on the left and right side walls of the spraying box 1. The electrolyte thin film substrate 21 enters the spraying box 1 through the spraying inlet 2 and exits through the spraying outlet 6. A powder electrostatic spray gun 4 is fixedly connected to the upper end of the spraying box 1. The input end of the powder electrostatic spray gun 4 is provided with a feed pipe 5, and the output end of the powder electrostatic spray gun 4 passes through the upper end of the spraying box 1. The side wall is fixedly connected to a spraying connecting pipe 8. A wide-angle nozzle 9 is provided at the lower end of the spraying connecting pipe 8. A support cylinder 10 is provided below the wide-angle nozzle 9. The front and rear ends of the support cylinder 10 are rotatably connected to the inner walls of the front and rear sides of the spraying box 1, respectively. A synchronous motor 12 is provided at the front end of the spraying box 1. The output end of the synchronous motor 12 passes through the front side wall of the spraying box 1 and is fixedly connected to the front end of the support cylinder 10. When in use, the synchronous motor 12 drives the support cylinder 10 to rotate. Tensioning mechanisms are provided on both the left and right sides of the support cylinder 10. Under the action of the synchronous motor 12, the electrolyte film base membrane 21 can move stably to the right side during the spraying process.

[0027] The tensioning mechanism includes a limiting plate 22, the front and rear ends of which are fixedly connected to the inner walls of the front and rear sides of the spray box 1, respectively. A tensioning frame 23 is provided below the limiting plate 22. The tensioning frame 23 is U-shaped. A tensioning rod 24 is provided on the inner side of the tensioning frame 23. The front and rear ends of the tensioning rod 24 are rotatably connected to the inner walls of the front and rear sides of the tensioning frame 23, respectively. Several sliding rods 25 are fixedly connected to the upper end of the tensioning frame 23. The upper end of the sliding rod 25 passes through the limiting plate 22 and is fixedly connected to a top baffle 26. A tensioning spring 27 is sleeved on the sliding rod 25. The upper and lower ends of the tensioning spring 27 are fixedly connected to the adjacent side walls of the limiting plate 22 and the tensioning frame 23, respectively. Under the action of the tensioning spring 27, the tensioning frame 23 and the tensioning rod 24 are pushed downward to apply force to the electrolyte membrane base membrane 21, thereby cooperating with the support cylinder 10 to achieve the stability of the electrolyte membrane base membrane 21.

[0028] Several negative pressure holes 11 are provided on the side wall of the support cylinder 10. A recovery box 13 and a negative pressure pump 15 are provided on the rear side of the spray box 1. The input end of the negative pressure pump 15 is connected to the recovery box 13. A recovery pipe 14 is fixedly connected to the side wall of the recovery box 13. The end of the recovery pipe 14 away from the recovery box 13 passes through the rear side wall of the spray box 1 and the rear side wall of the support cylinder 10 in sequence, and is connected to the support cylinder 10. The recovery pipe 14 is connected to the support cylinder 10. While using the negative pressure pump 15 to assist in tensioning the electrolyte film base membrane 21, the negative pressure holes 11 on the side wall of the support cylinder 10 are used to adsorb and recover the electrolyte powder in the air, and collect it in the powder collection box. This not only improves the utilization rate of materials, but also reduces environmental pollution and lowers production costs.

[0029] A powder baffle 7 is provided on the side of the tensioning mechanism away from the support cylinder 10. The powder baffle 7 is located above the electrolyte film base membrane 21. The upper end and the front and rear ends of the powder baffle 7 are fixedly connected to the upper inner wall and the front and rear inner walls of the spray box 1, respectively. The powder baffle 7 is used to isolate the wide-angle nozzle 9 from the spray outlet 6 and the spray inlet 2, further preventing electrolyte powder from flying out.

[0030] The inner side of the spray box 1 is provided with two limiting rods 1 20 and two limiting rods 28. The front and rear ends of the two limiting rods 1 20 and the two limiting rods 28 are rotatably connected to the inner walls of the front and rear sides of the spray box 1, respectively. The two limiting rods 1 20 and the two limiting rods 28 are located on the upper and lower sides of the electrolyte film base membrane 21, respectively. The limiting rod 1 20 is located between the left powder baffle 7 and the spray inlet 2, and the limiting rod 28 is located between the right powder baffle 7 and the spray outlet 6. With the cooperation of the limiting rods 1 20 and the limiting rods 28, the electrolyte film base membrane 21 can be stably transported during the spraying process.

[0031] A dust collection box 18 is provided above the electrolyte film base membrane 21. Several dust collection holes 19 are opened on the lower side wall of the dust collection box 18. The dust collection box 18 is located between the limiting rod 20 and the left powder baffle 7. The front and rear ends of the dust collection box 18 are fixedly connected to the inner walls of the front and rear sides of the spray box 1, respectively. A dust collection box 17 is provided on the rear side of the spray box 1. The dust collection box 17 is connected to the dust collection box 18. A negative pressure pipe 16 is fixedly connected to the dust collection box 17. The negative pressure pipe 16 is connected to the input end of the negative pressure pump 15. Before spraying, the dust is removed by negative pressure adsorption using the negative pressure pump 15 and the dust collection box 18. The cleaned dust is collected in the dust collection box 17 to avoid the dust from adversely affecting the spraying of the electrolyte material.

[0032] A high-temperature baking frame 3 is fixedly connected to the right end of the spray box 1. The electrolyte film substrate 21 is located inside the high-temperature baking frame 3. An electric heating baking plate 29 is provided on the upper inner wall of the high-temperature baking frame 3. After spraying, the film is baked at high temperature using the electric heating baking plate 29 in the high-temperature baking frame 3, which accelerates the solvent evaporation and curing process, and improves production efficiency and the physical and chemical properties of the film.

[0033] Working principle: During use, the electrolyte film substrate 21 enters from the flat spray outlet 6, passes between the two limiting rods 20, and then passes under the dust collection box 18, the left powder baffle 7, and the tension rod 24 in the left tensioning mechanism. It passes over the top of the support cylinder 10, then under the tension rod 24 in the right tensioning mechanism, through the right powder baffle 7, and then through the two limiting rods 28. It extends from the spray outlet 6 to the right side of the spray box 1. During spraying, the material to be sprayed enters the powder electrostatic spray gun 4 through the feed pipe 5, and then enters the spray connecting pipe 8 through the output end of the powder electrostatic spray gun 4. Finally, it is sprayed onto the surface of the electrolyte film substrate 21 from the wide-angle nozzle 9. Before spraying, the dust is removed by negative pressure adsorption using the negative pressure pump 15 and the dust collection box 18. The removed dust is collected in the dust collection box 17 to prevent dust from affecting the spraying of the electrolyte material. This process avoids adverse effects. Simultaneously, the negative pressure pump 15 creates negative pressure within the support cylinder 10, and the negative pressure holes 11 on the side wall of the support cylinder 10 are used to adsorb and stabilize the electrolyte film substrate 21. This, combined with the tensioning mechanisms on both sides, effectively reduces the impact of the spraying process on the electrolyte film substrate 21, ensuring the uniformity and quality stability of the film coating. While the negative pressure pump 15 assists in tensioning the electrolyte film substrate 21, the negative pressure holes 11 on the side wall of the support cylinder 10 adsorb and recover electrolyte powder from the air, collecting it in a powder collection box. This not only improves material utilization but also reduces environmental pollution and lowers production costs. After spraying, the film is baked at high temperature using the electrically heated baking plate 29 in the high-temperature baking frame 3, accelerating solvent evaporation and curing processes, improving production efficiency and the physicochemical properties of the film.

Claims

1. A solid electrolyte thin film spraying apparatus, comprising a spraying box (1) and an electrolyte thin film substrate (21), characterized in that: The left and right side walls of the spray box (1) are respectively provided with a spray inlet (2) and a spray outlet (6). The electrolyte membrane substrate (21) enters the spray box (1) through the spray inlet (2) and exits through the spray outlet (6). A powder electrostatic spray gun (4) is fixedly connected to the upper end of the spray box (1). The input end of the powder electrostatic spray gun (4) is provided with a feed pipe (5). The output end of the powder electrostatic spray gun (4) passes through the upper side wall of the spray box (1) and is fixedly connected with a spray connecting pipe (8). A wide-angle nozzle (9) is provided at the lower end of the spraying connecting pipe (8). A support cylinder (10) is provided below the wide-angle nozzle (9). The front and rear ends of the support cylinder (10) are rotatably connected to the inner walls of the front and rear sides of the spraying box (1). A synchronous motor (12) is provided at the front end of the spraying box (1). The output end of the synchronous motor (12) passes through the front wall of the spraying box (1) and is fixedly connected to the front end of the support cylinder (10). Tensioning mechanisms are provided on both the left and right sides of the support cylinder (10). The tensioning mechanism includes a limiting plate (22), the front and rear ends of which are fixedly connected to the front and rear inner walls of the spray box (1), a tensioning frame (23) is provided below the limiting plate (22), the tensioning frame (23) is U-shaped, a tensioning rod (24) is provided on the inner side of the tensioning frame (23), the front and rear ends of the tensioning rod (24) are rotatably connected to the front and rear inner walls of the tensioning frame (23), a number of sliding rods (25) are fixedly connected to the upper end of the tensioning frame (23), the upper end of the sliding rod (25) passes through the limiting plate (22) and is fixedly connected to a top baffle (26), a tensioning spring (27) is sleeved on the sliding rod (25), and the upper and lower ends of the tensioning spring (27) are fixedly connected to the adjacent side walls of the limiting plate (22) and the tensioning frame (23).

2. The solid electrolyte thin film spraying apparatus according to claim 1, characterized in that: The support cylinder (10) has several negative pressure holes (11) on its peripheral surface sidewall. The spray box (1) is provided with a recovery box (13) and a negative pressure pump (15) at its rear side. The input end of the negative pressure pump (15) is connected to the recovery box (13). A recovery pipe (14) is fixedly connected to the sidewall of the recovery box (13). The end of the recovery pipe (14) away from the recovery box (13) passes through the rear sidewall of the spray box (1) and the rear sidewall of the support cylinder (10) in sequence, and is connected to the support cylinder (10). The recovery pipe (14) is connected to the support cylinder (10).

3. The solid electrolyte thin film spraying apparatus according to claim 1, characterized in that: A powder baffle (7) is provided on the side of the tensioning mechanism away from the support cylinder (10). The powder baffle (7) is located above the electrolyte membrane base film (21). The upper end and the front and rear ends of the powder baffle (7) are fixedly connected to the upper inner wall and the front and rear inner walls of the spray box (1), respectively.

4. The solid electrolyte thin film spraying apparatus according to claim 1, characterized in that: The inner side of the spray box (1) is provided with two limiting rods one (20) and two limiting rods two (28). The front and rear ends of the two limiting rods one (20) and the two limiting rods two (28) are rotatably connected to the inner walls of the front and rear sides of the spray box (1). The two limiting rods one (20) and the two limiting rods two (28) are located on the upper and lower sides of the electrolyte film base membrane (21). The limiting rod one (20) is located between the left powder baffle (7) and the spray inlet (2), and the limiting rod two (28) is located between the right powder baffle (7) and the spray outlet (6).

5. The solid electrolyte thin film spraying apparatus according to claim 4, characterized in that: A dust collection box (18) is provided above the electrolyte membrane base membrane (21). Several dust collection holes (19) are provided on the lower side wall of the dust collection box (18). The dust collection box (18) is located between the limiting rod (20) and the left powder baffle (7). The front and rear ends of the dust collection box (18) are fixedly connected to the inner walls of the front and rear sides of the spray box (1), respectively. A dust collection box (17) is provided on the rear side of the spray box (1). The dust collection box (17) is connected to the dust collection box (18). A negative pressure pipe (16) is fixedly connected to the dust collection box (17). The negative pressure pipe (16) is connected to the input end of the negative pressure pump (15).

6. The solid electrolyte thin film spraying apparatus according to claim 1, characterized in that: A high-temperature baking frame (3) is fixedly connected to the right end of the spray box (1). The electrolyte film base film (21) is located inside the high-temperature baking frame (3). An electric heating baking plate (29) is provided on the upper inner wall of the high-temperature baking frame (3).

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