Thin film coating liquid preparation device

By introducing a film-forming mechanism and a stirring mechanism into the thin film coating liquid configuration device and utilizing structural designs such as a conical bucket, a diversion component, and a metal mesh, the problem of powder agglomeration during the mixing process of powder materials is solved, and high-quality configuration of the coating liquid is achieved.

CN223439696UActive Publication Date: 2025-10-17ZHEJIANG TAIYANG LITHIUM BATTERY MATERIALS CO LTD
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Patent Information

Application Number
CN202422978944.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-17
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

During the preparation of thin film coating liquid, powder materials are prone to form powder agglomerates, which affects the quality of the coating liquid product.

Method used

The film-forming mechanism, conical bucket, diversion component, annular protrusion and metal mesh are used to form a uniform liquid film and impact and intercept the powder agglomerates. Combined with the stirring mechanism and slapping component, it ensures that the powder and additives are evenly mixed and reduces the generation of powder agglomerates.

Benefits of technology

It effectively reduces the generation of powder clumps, ensures the quality of the coating liquid and the film-forming effect, and improves the uniformity and stability of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of coating liquid preparation, and particularly relates to a film coating liquid preparation device which comprises a kettle body, a film forming mechanism and a stirring mechanism, the film forming mechanism and the stirring mechanism are arranged in the kettle body, a solvent feeding port is formed in the side face of the kettle body, an auxiliary feeding port and a powder feeding port are formed in the top face of the kettle body, and a discharging port is formed in the bottom face of the kettle body. A stirring cavity is formed in the position, close to the discharging opening, of the kettle body, the film forming mechanism is installed in the kettle body, corresponds to the solvent feeding opening and is used for enabling the solvent to form a liquid film below the auxiliary feeding opening and the powder feeding opening, and the stirring mechanism is installed in the stirring cavity, is located below the film forming mechanism and is used for stirring after the solvent, the auxiliary and the powder are mixed. By arranging the film forming mechanism, a liquid film is formed when the solvent is added, generation of powder balls is reduced when the powder is added, even if the powder balls are generated, the powder balls are continuously scoured by the liquid film along with flowing of the liquid film, the powder balls can be effectively eliminated, generation of the mixed powder balls is effectively reduced, and the product quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coating liquid configuration technical field, especially related to a film coating liquid configuration device. BACKGROUND

[0002] In the field of film processing, coating process is a crucial technology, coating process can significantly improve the surface performance of the film by applying a layer of specific coating or adhesive on the surface of the film, and coating liquid is an indispensable material in coating process, which determines the performance and quality of the coating layer, so the configuration of the film coating liquid is very important.

[0003] The raw materials of the traditional coating liquid usually include two kinds of materials, powder and non-powder, the powder contains fillers, inorganic colorants, sunscreens, etc., and the non-powder contains solvents and thickening agents, dispersants and curing agents and other additives, so when the two kinds of materials are stirred and mixed, because of the powder, it is easy to produce powder ball, these powder ball can only rely on natural slow dissolution in the solution, so it is easy to affect the quality of the coating liquid product, which needs to be improved. INNOVATION CONTENT

[0004] The utility model aims at the above-mentioned technical problem, provides a kind of film coating liquid configuration device, to avoid the effect of producing powder ball when configuration.

[0005] Therefore, the utility model provides a kind of film coating liquid configuration device, comprising:

[0006] The kettle body is provided with a solvent inlet on the side, an additive inlet and a powder inlet on the top, and a discharge outlet on the bottom, and a stirring cavity is formed near the discharge outlet;

[0007] The film forming mechanism is installed in the kettle body and corresponds to the solvent inlet, and is used to form a liquid film under the additive inlet and the powder inlet;

[0008] The stirring mechanism is installed in the stirring cavity and located below the film forming mechanism, and is used to stir after the solvent, additive and powder are mixed.

[0009] In the above technical solution, further, the film forming mechanism comprises:

[0010] The conical hopper is installed in the kettle body and provided with a material outlet between the stirring cavity, for guiding the liquid film into the stirring cavity;

[0011] The shunt assembly is installed on the side of the conical hopper away from the shaft and corresponds to the solvent inlet.

[0012] In the above technical solution, further:

[0013] The shunt assembly comprises an annular shunt groove arranged around the conical hopper, and a liquid film gap for film formation is arranged on one side close to the conical hopper.

[0014] In the above technical solution, further comprising:

[0015] The annular protrusion is installed on the surface of the conical hopper.

[0016] The plurality of annular protrusions are arranged at equal intervals.

[0017] In the above technical solution, further comprising:

[0018] The metal mesh is installed on one side of the conical hopper close to the shaft center.

[0019] In the above technical solution, further comprising:

[0020] The shaft is axially installed in the kettle body, and the stirring rod is installed on the surface of the stirring chamber.

[0021] The driving member is installed on the top surface of the kettle body and is used to drive the shaft to rotate.

[0022] In the above technical solution, further comprising:

[0023] The beating assembly is installed above the shaft of the conical hopper and is used to beat the auxiliary agent entering the auxiliary agent feeding port and the powder entering the powder feeding port.

[0024] The beating assembly comprises a beating plate installed on the surface of the shaft.

[0025] In the above technical solution, further comprising:

[0026] The spoiler is installed on the inner wall of the stirring chamber and is used to push the mixed liquid to one side of the shaft center of the kettle body.

[0027] The beneficial effects of the present application are:

[0028] 1. By setting the film forming mechanism, the solvent forms a liquid film when added, and the generation of powder lumps is reduced when the powder is added. Even if powder lumps are generated, they are continuously washed by the liquid film as the liquid film flows, which can effectively eliminate powder lumps and effectively reduce the generation of powder lumps after mixing, thereby ensuring the quality of the product.

[0029] 2. By means of the conical hopper and the shunt assembly, the imported solvent can be uniformly formed into a liquid film, and the powder and the auxiliary agent can be made to fall on the liquid film, thereby ensuring the film forming effect and reducing the generation of powder lumps.

[0030] 3. The ring-shaped protrusion can hinder the flow of the liquid film, even if the powder lumps are generated, they will hit the ring-shaped protrusion under the condition of flowing and impacting of the liquid film, further improve the effect of the liquid film on the powder lumps, promote the effect of crushing the powder lumps, and reduce the generation of the powder lumps in the mixed liquid.

[0031] 4. By arranging the metal mesh on the side of the conical hopper close to the shaft center, that is, the feed inlet of the conical hopper, the generated large powder lumps can be blocked at the metal mesh and crushed under the continuous impact of the liquid film, which can further ensure the generation of the powder lumps in the mixed liquid and ensure the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a structural schematic diagram of the utility model;

[0033] Figure 2 is a top view of the utility model;

[0034] Figure 3 is a sectional view of the utility model Figure 2 at A-A;

[0035] Figure 4 is an enlarged view of B in the utility model Figure 3 ; is an enlarged view of C in the utility model

[0036] Figure 5 ; is an enlarged view of C in the utility model Figure 3 ; is an enlarged view of C in the utility model

[0037] The marks in the figure are as follows: 1, kettle body; 2, solvent feed inlet; 3, additive feed inlet; 4, powder feed inlet; 5, discharge port; 6, stirring cavity; 7, film forming mechanism; 70, conical hopper; 71, passageway; 72, shunt assembly; 720, ring-shaped shunt groove; 721, liquid film gap; 8, stirring mechanism; 80, rotating shaft; 81, stirring rod; 82, driving piece; 9, ring-shaped protrusion; 10, metal mesh; 11, beating plate; 12, spoiler. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0039] Embodiment 1:

[0040] The embodiment provides a thin film coating liquid configuration device, which comprises:

[0041] The kettle body 1 is provided with a solvent feeding port 2 on the side, an additive feeding port 3 and a powder feeding port 4 on the top, and a discharging port 5 on the bottom, and a stirring cavity 6 is formed near the discharging port 5;

[0042] The film forming mechanism 7 is installed in the kettle body 1 and is arranged corresponding to the solvent feeding port 2, and is used to form a liquid film of the solvent below the additive feeding port 3 and the powder feeding port 4;

[0043] The stirring mechanism 8 is installed in the stirring cavity 6 and is located below the film forming mechanism 7, and is used to stir after the solvent, the additive and the powder are mixed.

[0044] It can be seen from the embodiment that the film forming mechanism 7 is arranged to form a liquid film when the solvent is added, and to reduce the generation of powder lumps when the powder is added, and even if powder lumps are generated, they are continuously washed by the liquid film flowing with the liquid film, which can effectively eliminate the powder lumps and effectively reduce the generation of powder lumps after mixing, thereby ensuring the quality of the product.

[0045] Embodiment 2:

[0046] The film coating liquid preparation device provided in the embodiment further has the following technical features in addition to the technical solutions of the above embodiments:

[0047] The conical hopper 70 is installed in the kettle body 1 and is provided with a material passing port 71 between the stirring cavity 6, and is used to guide the liquid film into the stirring cavity 6;

[0048] The shunt assembly 72 is installed on the side of the conical hopper 70 away from the shaft center and is arranged corresponding to the solvent feeding port 2.

[0049] It can be seen from the embodiment that the conical hopper 70 and the shunt assembly 72 facilitate the formation of uniform liquid film of the guided solvent, and enable the powder and the additive to fall on the liquid film, thereby ensuring the film forming effect and reducing the generation of powder lumps.

[0050] Embodiment 3:

[0051] The film coating liquid preparation device provided in the embodiment further has the following technical features in addition to the technical solutions of the above embodiments:

[0052] The shunt assembly 72 includes an annular shunt groove 720 arranged around the conical hopper 70, and is provided with a liquid film gap 721 for film forming on the side close to the conical hopper 70;

[0053] The annular flow distribution groove 720 comprises an upright annular plate and an inverted annular plate, and the cross section of the annular plate is L-shaped. One end of the upright annular plate is integrally connected with the conical hopper 70, and the other end is fixedly connected with the inner wall of the kettle body 1. The liquid film gap 721 is formed between the one end of the upright annular plate and the other end of the inverted annular plate.

[0054] Meanwhile, the one end of the upright annular plate and the inverted annular plate close to the inner wall of the kettle body 1 forms a hole corresponding to the solvent inlet 2.

[0055] It can be seen from the embodiment that the annular flow distribution groove 720 is arranged to facilitate the annular flow of the solvent entering through the solvent inlet 2, and then to form a uniform liquid film on the surface of the conical hopper 70 through the liquid film gap 721, so as to ensure that the powder is dissolved in the solvent and reduce the generation of powder lumps, thereby ensuring the product quality.

[0056] Embodiment 4:

[0057] The thin film coating liquid preparation device provided in the embodiment further comprises the following technical features in addition to the technical solutions of the above-mentioned embodiments.

[0058] The annular protrusion 9 is arranged on the surface of the conical hopper 70.

[0059] The annular protrusion 9 is arranged on the surface of the conical hopper 70.

[0060] Meanwhile, the annular protrusion 9 and the conical hopper 70 can be integrally arranged, and the gap between the adjacent two annular protrusions 9 should not be too small, so as to ensure that the impact of the powder lumps on the annular protrusion 9 is appropriate.

[0061] It can be seen from the embodiment that the annular protrusion 9 can hinder the flow of the liquid film. Even if the powder lumps are generated, they will impact the annular protrusion 9 under the condition of flowing and impacting the liquid film, thereby further improving the impact effect of the liquid film on the powder lumps, promoting the crushing of the powder lumps, and reducing the generation of the powder lumps in the mixed liquid.

[0062] Embodiment 5:

[0063] The thin film coating liquid preparation device provided in the embodiment further comprises the following technical features in addition to the technical solutions of the above-mentioned embodiments.

[0064] The metal mesh 10 is arranged on one side of the conical hopper 70 close to the shaft center.

[0065] The metal mesh 10 is in a cylindrical structure, and can be fastened with the conical hopper 70 by bolts.

[0066] Meanwhile, the height of the metal mesh 10 is preferably arranged to be not allowed to be crossed by the powder lumps.

[0067] It can be seen from the embodiment that by arranging the metal mesh 10 on the side of the conical hopper 70 close to the shaft center, that is, the inlet of the solvent flowing into the stirring cavity 6 from the conical hopper 70, the generated large powder lumps can be blocked at the metal mesh 10 and broken under the continuous impact of the liquid film, which can further ensure the generation of powder lumps in the mixed liquid and ensure the product quality.

[0068] The metal mesh 10 in the cylindrical structure can ensure the interception of powder lumps in all directions.

[0069] Embodiment 6:

[0070] The embodiment provides a film coating liquid preparation device, in addition to comprising the technical scheme of the above-mentioned embodiment, further having the following technical features, the stirring mechanism 8 comprises:

[0071] The rotating shaft 80 is axially installed in the kettle body 1, and the stirring rod 81 is installed on the surface of the rotating shaft 80 located at the stirring cavity 6;

[0072] The driving member 82 is installed on the top surface of the kettle body 1 and is used to drive the rotating shaft 80 to rotate;

[0073] The driving member 82 can adopt a driving motor.

[0074] It can be seen from the embodiment that the motor drives the rotating shaft 80, and then drives the stirring rod 81 to stir and mix the mixed liquid in the stirring cavity 6, so that the mixing effect and product quality are ensured.

[0075] Embodiment 7:

[0076] The embodiment provides a film coating liquid preparation device, in addition to comprising the technical scheme of the above-mentioned embodiment, further having the following technical features, further comprising:

[0077] The beating assembly is installed above the rotating shaft 80 located at the conical hopper 70 and is used to beat the auxiliary agent entering the auxiliary agent inlet 3 and the powder entering the powder inlet 4;

[0078] The beating assembly comprises a beating plate 11 installed on the surface of the rotating shaft 80.

[0079] It can be seen from the embodiment that if the auxiliary agent and the powder remain in a lump shape when entering, the beating plate 11 can be used to beat and break them, so that the subsequent breaking of the powder lumps is ensured.

[0080] Moreover, the beating plate 11 rotates with the rotation of the driving member 82, and there are inevitably some powder lumps that leak through, so the beating assembly is arranged to reduce the number of auxiliary agents and powders that remain in a lump shape when entering the film forming mechanism 7, and not to completely prevent the powder lumps from entering the film forming mechanism 7.

[0081] Embodiment 8:

[0082] The embodiment provides a thin film coating liquid configuration device, in addition to comprising the technical scheme of the above embodiment, further has the following technical features, and further comprises:

[0083] The spoiler 12 is installed on the inner wall of the stirring cavity 6 and is used for pushing the mixed liquid to the side of the shaft center of the kettle body 1.

[0084] The spoiler 12 and the inner wall of the stirring cavity 6 are fixed by bolts.

[0085] It can be seen from the embodiment that the spoiler 12 is arranged, the mixed liquid is conveniently pushed to the side of the shaft center of the kettle body 1 during stirring, and the mixing effect can be effectively improved.

[0086] The embodiments of the application are described above in combination with the drawings, the embodiments in the application and the features in the embodiments can be combined with each other in the case of no conflict, the application is not limited to the above specific embodiments, the above specific embodiments are only illustrative but not restrictive, and those skilled in the art can make many forms under the inspiration of the application without departing from the scope of the application and the protection scope of the claims.

Claims

1. A thin film coating liquid configuration device, characterized in that, include: The kettle body (1) is provided with a solvent feed port (2) on the side, an auxiliary agent feed port (3) and a powder feed port (4) on the top surface, and a discharge port (5) on the bottom surface, and a stirring chamber (6) is formed near the discharge port (5); A film forming mechanism (7) is installed in the kettle body (1) and is arranged corresponding to the solvent feed port (2), and is used to form a liquid film of the solvent below the auxiliary agent feed port (3) and the powder feed port (4); The stirring mechanism (8) is installed in the stirring chamber (6) and is located below the film forming mechanism (7), and is used to stir the solvent, the auxiliary agent and the powder after they are mixed.

2. The thin film coating liquid dispensing device according to claim 1, characterized in that: The film forming mechanism (7) comprises: A conical hopper (70) is installed in the kettle body (1) and has a feed port (71) between the hopper and the stirring chamber (6) for introducing the liquid film into the stirring chamber (6); The flow dividing assembly (72) is installed on the side of the conical bucket (70) away from the axis and is arranged corresponding to the solvent feed port (2).

3. The thin film coating liquid dispensing device according to claim 2, characterized in that: The diversion assembly (72) includes an annular diversion groove (720) arranged around the conical bucket (70), and a liquid film gap (721) for film formation is opened on a side close to the conical bucket (70).

4. The thin film coating liquid dispensing device according to claim 2, characterized in that: Also includes: An annular protrusion (9) is mounted on the surface of the conical bucket (70); Wherein, the annular protrusions (9) are provided in plurality and are arranged at equal intervals.

5. The thin film coating liquid dispensing device according to claim 2, characterized in that: Also includes: The metal mesh (10) is installed on one side of the conical bucket (70) close to the axis.

6. The thin film coating liquid dispensing device according to claim 2, characterized in that: The stirring mechanism (8) comprises: A rotating shaft (80) is axially mounted in the kettle body (1), and a stirring rod (81) is mounted on the surface of the stirring chamber (6); The driving member (82) is installed on the top surface of the kettle body (1) and is used to drive the rotating shaft (80) to rotate.

7. The thin film coating liquid dispensing device according to claim 6, characterized in that: Also includes: A slapping assembly is mounted on the rotating shaft (80) above the conical bucket (70) and is used to slap the auxiliary agent entering through the auxiliary agent feed port (3) and the powder entering through the powder feed port (4); The slapping assembly includes a slapping plate (11) mounted on the surface of the rotating shaft (80).

8. The thin film coating liquid dispensing device according to claim 1, characterized in that: Also includes: The spoiler (12) is installed on the inner wall of the stirring chamber (6) and is used to push the mixed liquid to one side of the axis of the kettle body.