Superfine crushing and grinding device for silicon carbide micro powder

By designing an ultrafine grinding device for silicon carbide micro powder, and adopting a conveying structure and a vibration structure, the device enables the re-grinding of unqualified particles and the efficient screening of qualified particles, thus solving the problem of low grinding quality in existing technologies and improving the overall grinding effect.

CN224208201UActive Publication Date: 2026-05-08WEIFANG LIUHE SIC MICRO POWDER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WEIFANG LIUHE SIC MICRO POWDER
Filing Date
2025-05-29
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing silicon carbide micro powder grinding equipment suffers from the problem of mixed unqualified particles, resulting in low grinding quality.

Method used

A silicon carbide micro powder ultrafine grinding device was designed, which adopts a combination of conveying structure, vibration structure and servo motor to realize the re-grinding of unqualified particles and the screening of qualified particles. The grinding and screening efficiency is improved by auger conveying, screen plate vibration and servo motor driven rotating rod driving elliptical disk push block.

Benefits of technology

This improves the grinding quality and screening efficiency of silicon carbide micro powder, ensuring efficient screening of qualified particles and re-grinding of unqualified particles, thus enhancing the overall grinding effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silicon carbide micropowder superfine grinding device which comprises a base, the upper surface of the base is fixedly connected with two L-shaped fixing columns, the opposite ends of the two L-shaped fixing columns are jointly and fixedly connected with a grinding box, the grinding box is provided with a conveying structure, and the conveying structure is arranged on the base. First sliding grooves are formed in the opposite sides of the interior of the grinding box correspondingly, a sieve plate is jointly and slidably connected to the interiors of the two first sliding grooves, two springs are fixedly connected to the upper surface of the sieve plate, and the other end of each spring is fixedly connected to the inner top of the corresponding first sliding groove. According to the silicon carbide micro-powder screening device, the conveying hopper, the conveying pipe, the first discharging pipe, the auger, the first servo motor and the like are arranged, unqualified silicon carbide micro-powder falls into the conveying hopper through vibration of the sieve plate, meanwhile, the first servo motor drives the auger to rotate, and the auger conveys the unqualified silicon carbide micro-powder upwards; and then the materials fall into the storage hopper through the first discharging pipe to be ground again, and the grinding quality is improved.
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Description

Technical Field

[0001] This utility model relates to the field of silicon carbide micro powder technology, and in particular to an ultrafine grinding and pulverizing device for silicon carbide micro powder. Background Technology

[0002] Silicon carbide micro powder is an ultrafine powder made from silicon carbide particles. It has excellent properties such as high hardness, high melting point, and high thermal conductivity, and is widely used in industrial fields. The production of silicon carbide micro powder requires grinding equipment.

[0003] However, in the existing technology, some grinding devices still have some unqualified silicon carbide particles mixed in after grinding silicon carbide particles into micro powder, resulting in low grinding quality. Therefore, a silicon carbide micro powder ultrafine grinding device is proposed. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a silicon carbide micro-powder ultrafine grinding device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a silicon carbide micro powder ultrafine grinding device, comprising a base, two L-shaped fixed columns fixedly connected to the upper surface of the base, a grinding box fixedly connected to one end of the two L-shaped fixed columns, a conveying structure on the grinding box, a first sliding groove opened on one side of the inside of the grinding box, a sieve plate slidably connected inside the two first sliding grooves, two sets of springs fixedly connected to the upper surface of the sieve plate, the other end of each set of springs being fixedly connected to the inner top of the corresponding first sliding groove, two baffles fixedly connected to the upper surface of the sieve plate, one side of each baffle being in contact with the corresponding side inside the grinding box, and a vibration structure on the sieve plate;

[0006] The conveying structure includes a conveying hopper fixedly connected to one side of the grinding box, a conveying pipe fixedly connected to one side of the conveying hopper, and a first discharge pipe fixedly connected to one side of the conveying pipe.

[0007] As a further description of the above technical solution:

[0008] An auger is rotatably connected to the inner top of the conveying pipe, and a first servo motor is fixedly connected to the upper surface of the conveying pipe. The output shaft of the first servo motor is fixedly connected to one end of the auger.

[0009] As a further description of the above technical solution:

[0010] The vibration structure includes a fixed rod fixedly connected to the bottom of the sieve plate, a push block fixedly connected to the bottom of the fixed rod, and a second sliding groove opened at the bottom of the push block.

[0011] As a further description of the above technical solution:

[0012] A rotating rod is rotatably connected through one side of the interior of the grinding box. An elliptical disk is fixedly connected to one end of the rotating rod. The elliptical disk is slidably connected in a second sliding groove. A second servo motor is fixedly connected to one side of the grinding box. The output shaft of the second servo motor is fixedly connected to the other end of the rotating rod.

[0013] As a further description of the above technical solution:

[0014] The grinding box has four connecting columns fixedly connected to its inner top. The bottom of the four connecting columns is fixedly connected to a first grinding disc. The upper surface of the first grinding disc has a feed inlet and a second feed pipe is fixedly connected to it. One end of the second feed pipe passes through the upper surface of the grinding box and is fixedly connected to a storage hopper.

[0015] As a further description of the above technical solution:

[0016] A cross-shaped fixing plate is fixedly connected to the inner wall of the grinding box. A rotating shaft is rotatably connected to the upper surface of the cross-shaped fixing plate. A second grinding disc is fixedly connected to the upper surface of the rotating shaft. A rotating column is fixedly connected to the upper surface of the second grinding disc. One end of the rotating column is rotatably connected to the upper surface of the first grinding disc.

[0017] As a further description of the above technical solution:

[0018] A third servo motor is fixedly connected to the upper surface of the grinding box, and the output shaft of the third servo motor is fixedly connected to one end of the rotating column.

[0019] This utility model has the following beneficial effects:

[0020] 1. Compared with the existing technology, this silicon carbide micro powder ultrafine grinding device, by setting up a feeding hopper, a conveying pipe, a first feeding pipe, an auger and a first servo motor, etc., allows unqualified silicon carbide micro powder to fall into the feeding hopper through the vibration of the screen plate. At the same time, the first servo motor drives the auger to rotate, and the auger conveys the unqualified silicon carbide micro powder upward, and then it falls into the storage hopper through the first feeding pipe for further grinding, thereby improving the grinding quality.

[0021] 2. Compared with the existing technology, this silicon carbide micro powder ultrafine grinding device is equipped with a second servo motor, a rotating rod, an elliptical disk, a fixed rod, and a pushing block. The second servo motor drives the rotating rod to rotate, which in turn drives the elliptical disk to rotate. The elliptical disk pushes the pushing block to move through the second sliding groove, and the pushing block pushes the sieve plate to move up and down in the two first sliding grooves through the fixed rod, causing the sieve plate to vibrate and causing qualified silicon carbide micro powder to fall into the bottom of the grinding box, thereby improving the screening efficiency. Attached Figure Description

[0022] Figure 1 This is a first-view three-dimensional structural diagram of a silicon carbide micro powder ultrafine grinding device proposed in this utility model.

[0023] Figure 2 This is a second-view three-dimensional structural diagram of a silicon carbide micro powder ultrafine grinding device proposed in this utility model.

[0024] Figure 3 This is a cross-sectional view of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0025] Figure 4 This is a cross-sectional view of the grinding box of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0026] Figure 5 This utility model proposes a silicon carbide micro powder ultrafine grinding device. Figure 4 - Enlarged view of section A;

[0027] Figure 6 This is a schematic diagram of the vibration structure of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0028] Figure 7 This is an exploded view of the vibration structure of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0029] Figure 8 This is a schematic diagram of the sieve plate and spring of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0030] Figure 9 This is an exploded view of the sieve plate and spring of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0031] Figure 10 This is a schematic diagram of the conveying structure of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0032] Figure 11 An exploded view of the conveying structure of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0033] Figure 12 This is a schematic diagram of the first grinding disc and the second feeding pipe of a silicon carbide micro powder ultrafine grinding device proposed in this utility model;

[0034] Figure 13 Exploded view of the first grinding disc and the second feeding pipe of the silicon carbide micro powder ultrafine grinding device proposed in this utility model.

[0035] Legend:

[0036] 1. Base; 2. L-shaped fixed column; 3. Grinding box; 4. Conveying structure; 401. Feed hopper; 402. Conveying pipe; 403. First discharge pipe; 404. Screwdriver; 405. First servo motor; 5. Vibration structure; 501. Second servo motor; 502. Rotating rod; 503. Elliptical disk; 504. Fixed rod; 505. Pushing block; 6. First sliding groove; 7. Screen plate; 8. Spring; 9. Baffle; 10. Connecting column; 11. First grinding disc; 12. Second discharge pipe; 13. Storage hopper; 14. Cross fixed plate; 15. Rotating shaft; 16. Second grinding disc; 17. Rotating column; 18. Third servo motor. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Reference Figures 1 to 13This utility model provides a silicon carbide micro powder ultrafine grinding device, including a base 1. Two L-shaped fixing columns 2 are fixedly connected to the upper surface of the base 1. A grinding box 3 is fixedly connected to one end of each L-shaped fixing column 2. A PLC control module is fixedly installed on one side of the grinding box 3. The PLC control module is electrically connected to a first servo motor 405, a second servo motor 501, and a third servo motor 18, facilitating the control of their operation. A conveying structure 4 is provided on the grinding box 3. The inner top of the grinding box 3... The grinding box 3 is fixedly connected to four connecting columns 10. A first grinding disc 11 is fixedly connected to the bottom of all four connecting columns 10. A feed inlet is provided on the upper surface of the first grinding disc 11, and a second feed pipe 12 is fixedly connected thereto. One end of the second feed pipe 12 penetrates the upper surface of the grinding box 3 and is fixedly connected to a storage hopper 13. A cross-shaped fixing plate 14 is fixedly connected to the inner wall of the grinding box 3. A rotating shaft 15 is rotatably connected to the upper surface of the cross-shaped fixing plate 14. A second grinding disc 16 is fixedly connected to the upper surface of the rotating shaft 15. A rotating column 17 is fixedly connected to the upper surface of the second grinding disc 16. One end of the rotating column 17... A third servo motor 18 is fixedly connected to the upper surface of the first grinding disc 11 and the upper surface of the grinding box 3. The output shaft of the third servo motor 18 is fixedly connected to one end of the rotating column 17. Silicon carbide particles are poured into the storage hopper 13 and fall into the feed inlet through the second feed pipe 12, and then fall between the first grinding disc 11 and the second grinding disc 16. At the same time, the third servo motor 18 drives the second grinding disc 16 to rotate through the rotating column 17. The second grinding disc 16 grinds and crushes the silicon carbide particles, improving the crushing efficiency. The grinding box 3 has openings on opposite sides. The first sliding groove 6 has a sieve plate 7 slidably connected inside the two first sliding grooves 6. Two sets of springs 8 are fixedly connected to the upper surface of the sieve plate 7. The other end of each set of springs 8 is fixedly connected to the inner top of the corresponding first sliding groove 6. The elasticity of the springs 8 makes the sieve plate 7 rebound quickly, which facilitates the vibration of the sieve plate 7. Two baffles 9 are fixedly connected to the upper surface of the sieve plate 7. The baffles 9 block the silicon carbide micro powder and reduce the probability of silicon carbide micro powder entering the two first sliding grooves 6 and affecting the vibration of the sieve plate 7. One side of each baffle 9 is in contact with the corresponding side inside the grinding box 3. The sieve plate 7 is provided with a vibration structure 5.

[0039] To achieve the purpose of conveying, the conveying structure 4 includes a conveying hopper 401 fixedly connected to one side of the grinding box 3. A conveying pipe 402 is fixedly connected to one side of the conveying hopper 401. A first discharge pipe 403 is fixedly connected to one side of the conveying pipe 402. An auger 404 is rotatably connected to the inner top of the conveying pipe 402. A first servo motor 405 is fixedly connected to the upper surface of the conveying pipe 402. The output shaft of the first servo motor 405 is fixedly connected to one end of the auger 404. The unqualified silicon carbide micro powder falls into the conveying hopper 401 after being vibrated by the sieve plate 7. At the same time, the first servo motor 405 drives the auger 404 to rotate. The auger 404 conveys the unqualified silicon carbide micro powder upwards, and then it falls into the storage hopper 13 through the first discharge pipe 403 for grinding again, thereby improving the grinding quality.

[0040] To achieve the vibration purpose, the vibration structure 5 includes a fixed rod 504 fixedly connected to the bottom of the sieve plate 7. A push block 505 is fixedly connected to the bottom of the fixed rod 504. A second sliding groove is opened at the bottom of the push block 505. A rotating rod 502 is rotatably connected through one side of the inside of the grinding box 3. An elliptical disk 503 is fixedly connected to one end of the rotating rod 502. The elliptical disk 503 is slidably connected in the second sliding groove. A second servo motor 501 is fixedly connected to one side of the grinding box 3. The output shaft of the second servo motor 501 is fixedly connected to the other end of the rotating rod 502. The second servo motor 501 drives the rotating rod 502 to rotate. The rotating rod 502 drives the elliptical disk 503 to rotate. The elliptical disk 503 pushes the push block 505 to move through the second sliding groove. The push block 505 pushes the sieve plate 7 to move up and down in the two first sliding grooves 6 through the fixed rod 504, causing the sieve plate 7 to vibrate. The qualified silicon carbide micro powder falls into the bottom of the grinding box 3, improving the screening efficiency.

[0041] Working principle: Silicon carbide particles are poured into the storage hopper 13. The particles then fall into the feed inlet through the second feed pipe 12, and then between the first grinding disc 11 and the second grinding disc 16. Simultaneously, the third servo motor 18 drives the second grinding disc 16 to rotate via the rotating column 17. The second grinding disc 16 grinds and pulverizes the silicon carbide particles. The pulverized silicon carbide powder falls from all sides onto the sieve plate 7. At the same time, the second servo motor 501 drives the rotating rod 502 to rotate, which in turn drives the elliptical disc 503 to rotate. The elliptical disc 503 pushes through the second sliding groove... The push block 505 moves, and the push block 505 pushes the screen plate 7 to move up and down in the two first sliding grooves 6 through the fixed rod 504, causing the screen plate 7 to vibrate. The qualified silicon carbide micro powder falls into the bottom of the grinding box 3, improving the screening efficiency. The unqualified silicon carbide micro powder falls into the conveying hopper 401 after the vibration of the screen plate 7. At the same time, the first servo motor 405 drives the auger 404 to rotate. The auger 404 conveys the unqualified silicon carbide micro powder upward, and then it falls into the storage hopper 13 through the first discharge pipe 403 for grinding again, improving the grinding quality.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A silicon carbide micro powder ultrafine grinding device, comprising a base (1), characterized in that: Two L-shaped fixed columns (2) are fixedly connected to the upper surface of the base (1). A grinding box (3) is fixedly connected to one end of the two L-shaped fixed columns (2) facing each other. A conveying structure (4) is provided on the grinding box (3). A first sliding groove (6) is opened on one side of the inside of the grinding box (3). A sieve plate (7) is slidably connected inside the two first sliding grooves (6). Two sets of springs (8) are fixedly connected to the upper surface of the sieve plate (7). The other end of each set of springs (8) is fixedly connected to the top of the corresponding first sliding groove (6). Two baffles (9) are fixedly connected to the upper surface of the sieve plate (7). One side of each baffle (9) is in contact with the corresponding side inside the grinding box (3). A vibration structure (5) is provided on the sieve plate (7). The conveying structure (4) includes a conveying hopper (401) fixedly connected to one side of the grinding box (3), a conveying pipe (402) fixedly connected to one side of the conveying hopper (401), and a first discharge pipe (403) fixedly connected to one side of the conveying pipe (402).

2. The silicon carbide micro powder ultrafine grinding device according to claim 1, characterized in that: The inner top of the conveying pipe (402) is rotatably connected to an auger (404), and the upper surface of the conveying pipe (402) is fixedly connected to a first servo motor (405). The output shaft of the first servo motor (405) is fixedly connected to one end of the auger (404).

3. The silicon carbide micro powder ultrafine grinding device according to claim 1, characterized in that: The vibration structure (5) includes a fixed rod (504) fixedly connected to the bottom of the sieve plate (7), and a push block (505) is fixedly connected to the bottom of the fixed rod (504). A second sliding groove is provided at the bottom of the push block (505).

4. The silicon carbide micro powder ultrafine grinding device according to claim 3, characterized in that: A rotating rod (502) is rotatably connected through one side of the interior of the grinding box (3). An elliptical disk (503) is fixedly connected to one end of the rotating rod (502). The elliptical disk (503) is slidably connected in the second sliding groove. A second servo motor (501) is fixedly connected to one side of the grinding box (3). The output shaft of the second servo motor (501) is fixedly connected to the other end of the rotating rod (502).

5. The silicon carbide micro powder ultrafine grinding device according to claim 1, characterized in that: The grinding box (3) has four connecting columns (10) fixedly connected to its inner top. The bottom of the four connecting columns (10) is fixedly connected to a first grinding disc (11). The upper surface of the first grinding disc (11) has a feed inlet and a second feed pipe (12) fixedly connected to it. One end of the second feed pipe (12) passes through the upper surface of the grinding box (3) and is fixedly connected to a storage hopper (13).

6. The silicon carbide micro powder ultrafine grinding device according to claim 5, characterized in that: The inner wall of the grinding box (3) is fixedly connected to a cross fixing plate (14), and the upper surface of the cross fixing plate (14) is rotatably connected to a rotating shaft (15). The upper surface of the rotating shaft (15) is fixedly connected to a second grinding disc (16), and the upper surface of the second grinding disc (16) is fixedly connected to a rotating column (17). One end of the rotating column (17) is rotatably connected through the upper surface of the first grinding disc (11).

7. The silicon carbide micro powder ultrafine grinding device according to claim 6, characterized in that: The upper surface of the grinding box (3) is fixedly connected to a third servo motor (18), and the output shaft of the third servo motor (18) is fixedly connected to one end of the rotating column (17).