Powder coating clamp

Abstract

The utility model belongs to the technical field of atomic layer deposition, and relates to a powder coating clamp, which comprises a clamping piece, a coating piece and a coating piece, a closed space is arranged in the clamping piece; the powder inner container is used for bearing dust; the powder inner container is arranged in the closed space; the air inlet is used for feeding air into the closed space; the air inlet is formed in the clamping piece and is connected with the closed space; the extraction opening is used for extracting air from the closed space; and the extraction opening is formed in the clamping piece, is close to the powder inner container and is connected with the closed space. The powder coating clamp provided by the utility model is compatible with existing non-powder atomic layer deposition equipment, and powder coating can be carried out without equipment transformation; the powder clamp can be directly placed in the cavity of the non-powder atomic layer deposition equipment, and is convenient to disassemble, flexible and convenient; and the number of filter screens can be adjusted to be compatible with powder with different particle sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to atomic layer deposition technical field especially relates to a powder coating fixture. BACKGROUND

[0002] There are various powder surface coating or cladding methods, among which the widely used methods are chemical vapor deposition (CVD) and atomic layer deposition (ALD).

[0003] Chemical vapor deposition is a method of passing one or more gas precursors into a reaction chamber at the same time, reacting in a gas phase environment, and finally growing a thin film on the surface of a material. Atomic layer deposition is a special chemical vapor deposition technology, which realizes the deposition of a thin film in the form of a single atomic layer by alternately passing gas precursors into a reaction chamber in the form of pulses and causing a chemical adsorption reaction on the surface of the deposited material.

[0004] Atomic layer deposition (ALD) technology, as an excellent coating technology, is widely used in powder surface passivation and surface modification due to its high purity, uniformity and good preservation of the deposited thin film, and is widely used in many fields such as LED, energy storage, solar energy, etc.

[0005] Atomic layer deposition thin film cladding on powder must simultaneously achieve powder dispersion and complete cladding. The main technical methods at present are fluidized bed, vibration, pulse pressure method, rotation method, mechanical stirring method, etc.

[0006] However, the above-mentioned several methods can disperse the powder, and the fluidized bed, vibration, rotation method and mechanical stirring method can cause the powder or thin film to be damaged, which affects the cladding effect, and the pulse pressure method has poor dispersion effect and high requirements for pressure control of the equipment. UTILITY MODEL CONTENT

[0007] Therefore, the utility model provides a powder coating fixture.

[0008] Specifically, the utility model is realized by the following technical solutions:

[0009] According to the first aspect of the utility model, a powder coating fixture is provided, which comprises:

[0010] A clamping part is used for clamping a powder liner, and a closed space is arranged in the clamping part.

[0011] A powder liner is used for carrying dust, and the powder liner is arranged in the closed space.

[0012] an air inlet for supplying air into the sealed space; the air inlet is arranged on the holder and connected with the sealed space;

[0013] an air outlet for extracting air from the sealed space; the air outlet is arranged on the holder and close to the powder container and connected with the sealed space.

[0014] Optionally, the holder comprises a bottom shell and an upper cover, wherein edges of the bottom shell and the upper cover are correspondingly connected in a sealed manner to form the sealed space therebetween, the air inlet is arranged on the bottom shell, and the air outlet is arranged on the upper cover.

[0015] Optionally, the air inlet is arranged at a distal end opposite to the air outlet.

[0016] Optionally, the air inlet has a pore size of 6-40 mm.

[0017] Optionally, the air outlet has a pore size of 80-120 mm.

[0018] Optionally, the powder container has a cylindrical shape.

[0019] Optionally, the powder container has a diameter of 80-120 mm.

[0020] Optionally, the powder container has a height of 10-20 mm.

[0021] Optionally, the powder container comprises a lower ring, an upper ring, a lower filter screen and an upper filter screen, wherein the upper ring is connected with an inner wall of the sealed space, the lower ring is connected with the upper ring in a corresponding manner, and through holes of the lower ring and the upper ring are aligned, the lower filter screen and the upper filter screen are arranged between the lower ring and the upper ring, the upper filter screen covers the through hole of the upper ring, the lower filter screen covers the through hole of the lower ring, and centers of the air outlet, the lower ring and the upper ring are coincident.

[0022] Optionally, the upper filter screen and the lower filter screen have a mesh number of 800-2000.

[0023] The technical scheme provided by the present application at least has the following beneficial effects:

[0024] The powder coating fixture provided by the present application is compatible with existing non-powder atomic layer deposition equipment, and can perform powder coating without equipment modification; the powder fixture can be directly placed in the cavity of the non-powder atomic layer deposition equipment, and is convenient to disassemble and flexible and convenient to use; the mesh number of the filter screen can be adjusted, and different particle size powders are compatible. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings incorporated into the description and constituting a part of the description show embodiments consistent with the present application and, together with the description, serve to explain the principle of the present application.

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, simple descriptions will be given below to the drawings needed to be used in the embodiments or related technical descriptions, and obviously, other drawings can also be obtained by those of ordinary skill in the art without any creative labor under the premise of not paying any creative labor.

[0027] Figure 1 A structural schematic diagram of a powder coating fixture provided by the embodiment of the present application is shown in the figure.

[0028] Figure 2 An exploded view of a powder coating fixture provided by the embodiment of the present application is shown in the figure.

[0029] Figure 3 A structural schematic diagram of a powder inner container of a powder coating fixture provided by the embodiment of the present application is shown in the figure. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without any creative labor belong to the scope of protection of the present application.

[0031] Figure 1 A powder coating fixture suitable for the embodiments of the present application is shown schematically.

[0032] WITH REFERENCE Figures 1-3 The present application provides a powder coating fixture, which comprises:

[0033] A clamping piece is used for clamping a powder inner container 104; a closed space is arranged in the clamping piece;

[0034] A powder inner container 104 is used for carrying dust; the powder inner container 104 is arranged in the closed space;

[0035] An air inlet 102 is used for supplying air into the closed space; the air inlet 102 is arranged on the clamping piece and connected with the closed space;

[0036] An air outlet 103 is arranged on the clamping member and is close to the powder container 104 and is connected with the closed space.

[0037] In the embodiment of the present application, during operation, the outside of the powder coating fixture is the reaction chamber (not shown in the figure) of an atomic layer deposition device. The reaction chamber is a cross-flow type reaction chamber with an air inlet on one side and an air outlet on the other side. The air inlet 102 of the powder coating fixture is connected with the air inlet of the reaction chamber, and the air outlet 103 is connected with the air outlet of the reaction chamber. The powder 204 is placed in the middle position inside the powder container 104, which is placed in the closed space and is close to the air outlet 103. The air inlet 102 is connected with the reaction chamber and the air outlet 103. During the powder coating process, the gas-phase precursor enters the closed space through the air inlet 102 and reacts and adsorbs with the powder in the powder container 104. The excess precursor and by-products are extracted out of the chamber through the air outlet 103.

[0038] The embodiment of the present application relates to a specially designed powder coating fixture, mainly applied in the field of atomic layer deposition technology, especially for the powder coating process. The following is a detailed description of the utility model and its advantages:

[0039] Clamping member: used for clamping and fixing the powder container. Design features: internal design has a closed space, to ensure that the gas flow and reaction environment during the coating process is controllable.

[0040] Powder container: used for carrying the dust or powder material to be coated. Position: arranged inside the closed space of the clamping member.

[0041] Air inlet: used for introducing the gas or precursor required for coating into the closed space. Position: arranged on the clamping member and connected with the closed space.

[0042] Air outlet: used for extracting gas from the closed space to maintain the gas flow and pressure control during the coating process. Position: arranged on the clamping member, close to the powder container, and connected with the closed space. This design helps to more effectively remove the exhaust gas after the reaction, while maintaining the stable gas environment around the powder container.

[0043] Technical advantages

[0044] Compatibility: The powder coating fixture of the present application is compatible with existing non-powder atomic layer deposition equipment, without the need for additional modification or adjustment of the equipment, to achieve powder coating processing. Ease of use: The fixture design is convenient to place directly inside the cavity of the non-powder atomic layer deposition equipment, not only easy to install, but also easy to disassemble and replace, improving the flexibility and operation efficiency of the coating process. Flexibility: The mesh size of the filter in the fixture can be adjusted as needed to accommodate different particle sizes of powder materials. This design makes the fixture suitable for a variety of powder coating needs, improving the versatility and practicality of the equipment.

[0045] Application scenarios

[0046] Suitable for various fields requiring powder coating, such as materials science, electronic engineering, biomedical engineering, etc. In particular, in applications requiring precise coating of tiny particles or complex-shaped powder, the fixture of the present application has significant advantages.

[0047] In summary, the powder coating fixture of the present application not only improves the efficiency and quality of powder coating, but also opens up new possibilities for the application of atomic layer deposition technology in the field of powder coating through its compatibility, ease of use and flexibility.

[0048] Exemplarily, the clamping piece includes a bottom shell 100 and an upper cover 101, wherein the edges of the bottom shell 100 and the upper cover 101 are correspondingly sealed and connected, forming the sealed space between them, the gas inlet 102 is provided on the bottom shell 100, and the gas outlet 103 is provided on the upper cover 101.

[0049] In the present application, the upper cover 101 is fixed to the bottom shell 100 by a fixed screw (not shown in the figure) through a threaded hole, ensuring the overall air tightness, facilitating disassembly, and reducing maintenance costs. The upper cover plate 101 and the shell 100 are both made of stainless steel or aluminum alloy material, and the surface is a polished surface after polishing treatment.

[0050] Exemplarily, the gas inlet 102 is provided at the distal end opposite the gas outlet 103.

[0051] In the present application, the gas inlet 102 is connected to the gas inlet of the atomic layer deposition reaction chamber, and the reaction gas precursor is introduced into the powder inner container 104 through the gas inlet 102 of the shell 100 for powder coating.

[0052] Exemplarily, the pore size of the gas inlet 102 is 6-40mm.

[0053] In the present application, the pore size of the gas inlet 102 is 6-40mm, which can meet the needs of connecting with the gas inlet of the atomic layer deposition reaction chamber.

[0054] Exemplarily, the aperture of the gas suction port 103 is 80-120 mm.

[0055] In the embodiment of the present application, the aperture of the gas suction port 103 is 80-120 mm, which can meet the need of connecting with the gas suction port of the atomic layer deposition reaction chamber.

[0056] Exemplarily, the powder liner 104 is in a cylindrical shape.

[0057] In the embodiment of the present application, the powder liner 104 is in a cylindrical shape, which can cover the gas suction port 103.

[0058] Exemplarily, the diameter of the powder liner 104 is 80-120 mm.

[0059] In the embodiment of the present application, the diameter of the powder liner 104 is 80-120 mm, which can cover the gas suction port 103 and prevent impurities from entering the sealed space.

[0060] Exemplarily, the height of the powder liner 104 is 10-20 mm.

[0061] In the embodiment of the present application, the height of the powder liner 104 is 10-20 mm, which can meet the need of being installed in the sealed space.

[0062] Exemplarily, the powder liner 104 comprises a lower ring 200, an upper ring 201, a lower filter screen 202 and an upper filter screen 203, wherein the upper ring 201 is connected with the inner wall of the sealed space, the lower ring 200 is connected with the upper ring 201 correspondingly, the through holes of the two are aligned, the lower filter screen 202 and the upper filter screen 203 are arranged between the lower ring 200 and the upper ring 201, the upper filter screen 203 covers the through hole of the upper ring 201, the lower filter screen 202 covers the through hole of the lower ring 200, and the center of the gas suction port 103, the center of the lower ring 200 and the center of the upper ring 201 are coincident.

[0063] In the embodiment of the present application, the upper ring 201, the upper filter screen 203, the lower filter screen 202 and the lower ring 200 are fixed by using fixing screws (not shown in the figure) through the threaded holes, which can guarantee the air tightness of the whole, facilitate disassembly and reduce the maintenance cost. The powder 204 is arranged between the lower filter screen 202 and the upper filter screen 203, the gas enters the sealed space through the gas inlet 102, then reacts and adsorbs with the powder 204 through the lower filter screen 202, and the excessive precursors and by-products are extracted out of the cavity through the upper filter screen 203 and the gas suction port 103.

[0064] Exemplarily, the mesh number of the upper filter screen 203 and the lower filter screen 202 is 800-2000.

[0065] In the embodiments of the present application, the 800-2000 mesh size setting of the filter screen can meet the needs.

[0066] Detailed structure of the powder coating fixture:

[0067] 1. Clamping part

[0068] Bottom shell 100: as the bottom structure of the fixture, it forms a closed space together with the upper cover 101. The bottom shell 100 is provided with an air inlet 102 for introducing the gas or precursor required for coating.

[0069] Upper cover 101: connected airtight with the bottom shell 100 to form a complete closed space. The upper cover 101 is provided with an air outlet 103 for extracting the exhaust gas after reaction. The upper cover 101 is fixed with the bottom shell 100 by fixing screws to ensure airtightness.

[0070] 2. Air inlet and air outlet

[0071] Air inlet 102: located on the bottom shell 100, connected with the air inlet of the atomic layer deposition reaction chamber. The aperture of the air inlet 102 is 6-40 mm, meeting the connection requirements.

[0072] Air outlet 103: located on the upper cover 101, connected with the air outlet of the atomic layer deposition reaction chamber. The aperture of the air outlet 103 is 80-120 mm, ensuring that the exhaust gas can be smoothly discharged.

[0073] 3. Powder liner

[0074] Shape and size: the powder liner 104 is in a cylindrical shape, with a diameter of 80-120 mm and a height of 10-20 mm. Such size design can not only cover the air outlet 103 to prevent impurities from entering the closed space, but also meet the installation requirements in the closed space.

[0075] Structure: the powder liner 104 includes a lower ring 200, an upper ring 201, a lower filter screen 202 and an upper filter screen 203. The upper ring 201 is connected with the inner wall of the closed space, and the lower ring 200 is connected with the upper ring 201 in correspondence, and the through holes of the two are aligned. The lower filter screen 202 and the upper filter screen 203 are arranged between the lower ring 200 and the upper ring 201, covering the through holes of the lower ring 200 and the upper ring 201, respectively. Such design not only ensures airtightness, but also facilitates disassembly and maintenance.

[0076] Mesh size of the filter screen: the mesh size of the upper filter screen 203 and the lower filter screen 202 is 800-2000 mesh. Such filter screen mesh size setting can meet the coating requirements of powder with different particle sizes.

[0077] 5. Working principle

[0078] In the coating process, the gas enters the closed space through the gas inlet 102, and then reacts and adsorbs with the powder 204 through the lower filter screen 202. The excess precursor and by-products are extracted out of the cavity through the upper filter screen 203 and the gas outlet 103. Such a design ensures the smooth progress of the coating process and the effective exhaust of waste gas.

[0079] 6. Advantage summary

[0080] Compatibility: The clamp design is compatible with existing non-powder atomic layer deposition equipment, without the need for equipment modification. Ease of use: The clamp is easy to disassemble and replace, reducing maintenance costs. Flexibility: The mesh size of the filter screen can be adjusted to accommodate different particle sizes of the powder. Efficiency: The gas flow and reaction environment are controllable, ensuring efficient coating process.

[0081] In summary, the powder coating clamp has significant advantages and wide application prospects, especially in applications that require precise coating of small particles or complex-shaped powders. The powder coating clamp provided in this application is compatible with existing non-powder atomic layer deposition equipment, allowing powder coating without the need for equipment modification. The powder clamp can be directly placed inside the cavity of the non-powder atomic layer deposition equipment, making it easy to disassemble and flexible and convenient to use. The mesh size of the filter screen can be adjusted to accommodate different particle sizes of the powder.

[0082] It should be noted that in this application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0083] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in this application can be understood according to the specific circumstances.

[0084] In addition, the terms "mounting", "setting", "provided with", "connection", "connected" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0085] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0086] The above description is merely a specific embodiment of the present invention, enabling those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A powder coating jig, characterized by, The application relates to a powder container. The application relates to a powder container. The application relates to a powder container. The application relates to a powder container. The application relates to a powder container.

2. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

3. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

4. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

5. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

6. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

7. The powder coating fixture of claim 6, wherein, The application relates to a powder container.

8. The powder coating fixture of claim 6, wherein, The application relates to a powder container.

9. The powder coating fixture of claim 1, wherein, The application relates to a powder container.

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