Silicon powder treatment device for silicon nitride ceramic production

By designing a silicon powder processing device with a support frame and a processing box, and using a motor to drive gears and crushing plates to achieve uniform mixing and dispersion of silicon powder, the problem of vibration wear in existing devices is solved, and the performance and production efficiency of silicon nitride ceramics are improved.

CN223337459UActive Publication Date: 2025-09-16GAOFU HIGH-TECH MATERIALS (ZHEJIANG) CO LTD
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Patent Information

Application Number
CN202422501044.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-09-16
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing silicon powder processing equipment vibrates during the crushing process, affecting the stability of the equipment and causing wear. In addition, the particle shape and size distribution are uneven, affecting the performance and processing of silicon nitride ceramics.

Method used

A device including a support frame, a processing box, and a silicon powder processing component was designed. The silicon powder was evenly mixed and dispersed by a motor-driven gear and crushing plate. The powder was conveyed by a screw and crushed in different directions by gear transmission, reducing energy consumption and mechanical wear.

Benefits of technology

It achieves uniform mixing and dispersion of silicon powder, improves the performance consistency of silicon nitride ceramics, reduces energy consumption and equipment wear rate, extends equipment service life, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silicon powder treatment device for silicon nitride ceramic production, which belongs to the technical field of silicon powder treatment devices for silicon nitride ceramic production, and comprises a support frame, a treatment box body is fixedly connected to the top of the support frame, and a discharge pipe is fixedly connected to the bottom end of the treatment box body in a penetrating manner. A conveying pipe is fixedly connected to one side of the top of the treatment box in a penetrating mode, and a silicon powder treatment assembly is arranged on the other side of the top of the treatment box. By adopting the silicon powder treatment assembly, the first crushing plate and the second crushing plate rotate in different directions to crush silicon raw materials, and the crushed silicon powder falls into the discharge pipe through the filter pipe and then is discharged, so that the silicon powder can form better flowability in the equipment, powder accumulation is avoided, the blockage phenomenon is reduced, and the production efficiency is improved. The production efficiency is improved, and meanwhile, the silicon powder is more uniformly mixed and dispersed in the treatment process.
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Description

Technical Field

[0001] The utility model relates to the technical field of silicon powder processing devices for silicon nitride ceramic production, in particular to a silicon powder processing device for silicon nitride ceramic production. Background Art

[0002] Silicon nitride ceramics are an important ceramic material, widely used in aerospace, electronics, machinery, medical and other fields due to their excellent physical and chemical properties. Silicon powder, as the main raw material for silicon nitride ceramics, has a significant impact on the quality and performance of the final product during its processing. The particle size and distribution of silicon powder have a direct impact on the density and strength of silicon nitride ceramics. Through effective processing, the fluidity and density of silicon powder can be improved, thereby enhancing the mechanical properties of the final ceramic. The treated silicon powder can better react with nitrogen to form a stable silicon nitride structure, thereby improving the thermal stability and antioxidant capacity of the ceramic. With the development of new materials technology, the market demand for silicon nitride ceramics continues to grow, and efficient silicon powder processing equipment can meet the demand for high-performance raw materials in industrial production, promoting the upgrading and development of the ceramic industry.

[0003] During the preparation of silicon powder, the blocky raw materials must be crushed before use, otherwise they cannot be completely dissolved. Existing processing equipment can transport the silicon raw materials to the crushing machine for crushing. However, during the crushing process, the vibration of the equipment will affect the stability of the machine and may cause wear to the equipment, requiring regular maintenance and inspection. In addition, after crushing, the particle shape and size distribution of the silicon powder will change, which will directly affect the performance of the material in the subsequent processing process.

[0004] Therefore, it is urgent to provide a silicon powder processing device for silicon nitride ceramic production to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the above-mentioned prior art and provide a silicon powder processing device for producing silicon nitride ceramics.

[0006] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a silicon powder processing device for silicon nitride ceramic production, including a support frame, a processing box body is fixedly connected to the top of the support frame, a discharge pipe is fixedly connected to the bottom end of the processing box body, a conveying pipe is fixedly connected to one side of the top of the processing box body, and a silicon powder processing assembly is arranged on the other side of the top of the processing box body.

[0007] Through the above technical solution, silicon powder can be mixed and dispersed more evenly during the processing process, which can effectively reduce the aggregation between particles, improve the uniformity of the final product, and ensure the consistent performance of silicon nitride ceramics.

[0008] The present utility model is further configured as follows: the silicon powder processing assembly is fixedly connected to the processing box, and the interior of the silicon powder processing assembly is a hollow structure, and the first and second internal tooth plates are rotatably connected on both sides of the interior of the silicon powder processing assembly, and a first gear and a second gear are provided between the first and second internal tooth plates, one side of the first and second gears is rotatably connected to a support plate, the other end of the support plate is fixedly connected to the silicon powder processing assembly, and the first gear is transmission-connected to the second gear.

[0009] The present utility model is further configured as follows: one end of the first gear is transmission-connected to the second internal gear plate, one end of the second gear is transmission-connected to the first internal gear plate, a second motor is installed on the side of the silicon powder processing assembly away from the processing box, the output end of the second motor is rotationally connected to the silicon powder processing assembly, and the through end of the second motor is fixedly connected to the second internal gear plate.

[0010] The present invention is further configured as follows: a connecting rod is fixedly connected at the center of one side of the second inner tooth plate, the connecting rod is rotatably connected to the first inner tooth plate through it, a sleeve is fixedly connected at the center of one side of the first inner tooth plate away from the second inner tooth plate, the connecting rod is located inside the sleeve, and the connecting rod is rotatably connected to the sleeve.

[0011] Through the above technical solution, less energy may be consumed during operation, thereby reducing overall energy consumption and improving economic benefits.

[0012] The utility model is further configured as follows: the other end of the sleeve and the connecting rod is rotatably connected to the processing box body, the through ends of the sleeve and the connecting rod are respectively fixedly connected to the second crushing plate and the first crushing plate, and the second crushing plate and the first crushing plate are provided with a filter tube outside, and the filter tube is fixedly connected to the inner wall of the processing box.

[0013] The utility model is further configured as follows: a spiral rod is rotatably connected inside the conveying pipe, a first motor is installed at one end of the conveying pipe, the output end of the first motor is rotatably connected to the conveying pipe, the through end of the conveying pipe is fixedly connected to the spiral rod, and a feed hopper is fixedly connected to the top of the conveying pipe.

[0014] Through the above technical solution, the wear rate of mechanical parts is reduced, the service life of the equipment is extended, and the maintenance cost is reduced.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model pours the silicon raw material into the conveying pipe gradually from the top of the feed hopper, and then the first motor and the second motor operate simultaneously. The first motor drives the screw rod to rotate, and then pushes the silicon raw material into the processing box body. The operation of the second motor drives the second inner tooth plate to rotate clockwise, and the connecting rod follows the synchronous clockwise rotation. Moreover, when the second inner tooth plate rotates, it can drive the first gear to rotate at the same time, and then prompt the second gear to follow the second inner tooth plate to rotate clockwise, so that the first inner tooth plate rotates counterclockwise, prompting the first crushing plate and the second crushing plate to rotate in different directions, crushing the silicon raw material, and the crushed silicon powder falls into the discharge pipe through the filter tube and is discharged. The material can obtain sufficient friction and shearing effect during the processing process, thereby accelerating the processing speed of the silicon powder and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a first-perspective structural diagram of the utility model;

[0018] Figure 2 This is a structural diagram from a second perspective of the present invention;

[0019] Figure 3 This is a structural diagram of the utility model from a third perspective;

[0020] Figure 4 This is a diagram showing the internal structure of the processing box of the present utility model;

[0021] Figure 5 This is a first-perspective structural diagram of the interior of the silicon powder processing component of the present invention;

[0022] Figure 6 This is a second perspective structural diagram of the interior of the silicon powder processing component of the present invention;

[0023] Figure 7 This is a partial structural diagram of the silicon powder processing component of the present utility model.

[0024] In the figure: 1. Support frame; 2. Processing box; 3. Discharge pipe; 4. Conveying pipe; 5. First motor; 6. Feed hopper; 7. Second motor; 8. Silicon powder processing assembly; 9. Screw rod; 10. Filter tube; 11. First crushing plate; 12. Second crushing plate; 13. First inner tooth plate; 14. Second inner tooth plate; 15. First gear; 16. Sleeve; 17. Connecting rod; 18. Support plate; 19. Second gear. DETAILED DESCRIPTION

[0025] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0026] See also Figure 1-Figure 7 A silicon powder processing device for silicon nitride ceramic production includes a support frame 1, a processing box 2 is fixedly connected to the top of the support frame 1, a discharge pipe 3 is fixedly connected to the bottom end of the processing box 2, a conveying pipe 4 is fixedly connected to the top side of the processing box 2, a spiral rod 9 is rotatably connected to the inside of the conveying pipe 4, a first motor 5 is installed at one end of the conveying pipe 4, the output end of the first motor 5 is rotatably connected to the conveying pipe 4, the through end of the conveying pipe 4 is fixedly connected to the spiral rod 9, and the top of the conveying pipe 4 is fixedly connected to the feed hopper 6. A silicon powder processing assembly 8 is provided on the other side of the top of the processing box 2. The silicon powder processing assembly 8 is fixedly connected to the processing box 2, and the interior of the silicon powder processing assembly 8 is a hollow structure. The first inner tooth plate 13 and the second inner tooth plate 14 are rotatably connected on both sides of the silicon powder processing assembly 8. A connecting rod 17 is fixedly connected to the center of one side of the second inner tooth plate 14. The connecting rod 17 is rotatably connected to the first inner tooth plate 13. The first inner tooth plate 13 is fixedly connected to the center of the side away from the second inner tooth plate 14 with a sleeve 16. The connecting rod 17 is located in the sleeve. 16, the other end of the sleeve 16 and the connecting rod 17 is connected to the processing box 2 through rotation, the sleeve 16 and the connecting rod 17 are fixedly connected to the second crushing plate 12 and the first crushing plate 11 through the end, the second crushing plate 12 and the first crushing plate 11 are provided with a filter tube 10 outside, the filter tube 10 is fixedly connected to the inner wall of the processing box 2, and the connecting rod 17 is connected to the sleeve 16 in rotation, and the first gear 15 and the second gear 19 are provided between the first inner tooth plate 13 and the second inner tooth plate 14, and one end of the first gear 15 is connected to the first inner tooth plate 14. The second inner tooth plate 14 is in transmission connection, one end of the second gear 19 is in transmission connection with the first inner tooth plate 13, a second motor 7 is installed on the side of the silicon powder processing component 8 away from the processing box 2, the output end of the second motor 7 is rotatably connected to the silicon powder processing component 8, and the through end of the second motor 7 is fixedly connected to the second inner tooth plate 14, the first gear 15 and the second gear 19 are rotatably connected to the support plate 18 on one side, the other end of the support plate 18 is fixedly connected to the silicon powder processing component 8, and the first gear 15 is in transmission connection with the second gear 19.

[0027] When the present invention is in use, the silicon raw material is gradually poured into the conveying pipe 4 from the top of the feed hopper 6, and then the first motor 5 and the second motor 7 are operated at the same time. The first motor 5 drives the screw rod 9 to rotate, and then pushes the silicon raw material into the processing box 2. The operation of the second motor 7 drives the second inner tooth plate 14 to rotate clockwise, and the connecting rod 17 follows the synchronous clockwise rotation. Moreover, when the second inner tooth plate 14 rotates, it can drive the first gear 15 to rotate at the same time, and then prompt the second gear 19 to follow the second inner tooth plate 14 to rotate clockwise, so that the first inner tooth plate 13 rotates counterclockwise, prompting the first crushing plate 11 and the second crushing plate 12 to rotate in different directions, crushing the silicon raw material, and the crushed silicon powder falls into the discharge pipe 3 through the filter tube 10 and is discharged.

[0028] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A silicon powder processing device for silicon nitride ceramic production, comprising a support frame (1), characterized in that: The top of the support frame (1) is fixedly connected to a processing box (2), the bottom of the processing box (2) is fixedly connected to a discharge pipe (3), one side of the top of the processing box (2) is fixedly connected to a conveying pipe (4), and the other side of the top of the processing box (2) is provided with a silicon powder processing assembly (8).

2. The silicon powder processing device for silicon nitride ceramic production according to claim 1, characterized in that: The silicon powder processing assembly (8) is fixedly connected to the processing box (2), and the interior of the silicon powder processing assembly (8) is a hollow structure. The first inner tooth plate (13) and the second inner tooth plate (14) are rotatably connected on both sides of the interior of the silicon powder processing assembly (8). A first gear (15) and a second gear (19) are provided between the first inner tooth plate (13) and the second inner tooth plate (14). One side of the first gear (15) and the second gear (19) is rotatably connected to a support plate (18). The other end of the support plate (18) is fixedly connected to the silicon powder processing assembly (8), and the first gear (15) and the second gear (19) are transmission-connected.

3. The silicon powder processing device for silicon nitride ceramic production according to claim 2, characterized in that: One end of the first gear (15) is in transmission connection with the second inner tooth plate (14), and one end of the second gear (19) is in transmission connection with the first inner tooth plate (13). A second motor (7) is installed on the side of the silicon powder processing component (8) away from the processing box (2). The output end of the second motor (7) is connected to the silicon powder processing component (8) in a rotationally connected manner, and the through end of the second motor (7) is fixedly connected to the second inner tooth plate (14).

4. The silicon powder processing device for silicon nitride ceramic production according to claim 2, characterized in that: A connecting rod (17) is fixedly connected at the center of one side of the second inner tooth plate (14), and the connecting rod (17) is rotatably connected to the first inner tooth plate (13). A sleeve (16) is fixedly connected at the center of one side of the first inner tooth plate (13) away from the second inner tooth plate (14), and the connecting rod (17) is located inside the sleeve (16), and the connecting rod (17) is rotatably connected to the sleeve (16).

5. The silicon powder processing device for silicon nitride ceramic production according to claim 4, characterized in that: The other ends of the sleeve (16) and the connecting rod (17) are rotatably connected to the processing box (2). The through ends of the sleeve (16) and the connecting rod (17) are respectively fixedly connected to the second crushing plate (12) and the first crushing plate (11). The second crushing plate (12) and the first crushing plate (11) are provided with a filter tube (10) outside. The filter tube (10) is fixedly connected to the inner wall of the processing box (2).

6. The silicon powder processing device for silicon nitride ceramic production according to claim 1, characterized in that: The conveying pipe (4) is internally rotatably connected to a screw rod (9), one end of the conveying pipe (4) is installed with a first motor (5), the output end of the first motor (5) is rotatably connected to the conveying pipe (4), the through end of the conveying pipe (4) is fixedly connected to the screw rod (9), and the top of the conveying pipe (4) is fixedly connected to a feed hopper (6).