Silicon carbide powder intermediate production device

Abstract

The utility model relates to the technical field of silicon carbide powder production, and discloses a silicon carbide powder intermediate production device which comprises a grinding charging barrel, an electromagnetic heater is arranged on the surface of the grinding charging barrel, and a mixing tank is arranged at the upper end of the grinding charging barrel. The motor drives the transmission shaft to rotate, the transmission shaft can drive the fixing rod to rotate when rotating, so that the stirring rod rotates to stir raw materials, the raw materials can be fully mixed before entering the grinding barrel, the reaction efficiency is improved, and the scraping plate is in contact with the inner wall of the mixing tank while the stirring rod rotates; the raw materials attached to the inner wall of the mixing tank are scraped, waste of the raw materials is prevented, the raw materials are discharged into the grinding charging barrel through a discharging pipe after mixing is completed, a fixed rod can drive an extension rod to rotate when rotating, so that a spiral pushing piece rotates to push the raw materials, the raw materials are prevented from being blocked in the discharging pipe, and the production efficiency is improved. And the cleaning and maintenance frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon carbide powder production, in particular to a silicon carbide powder intermediate production device. Background Art

[0002] Silicon carbide powder is an important industrial material with excellent physical and chemical properties. A compound composed of carbon and silicon, it exhibits high hardness, a high melting point, excellent thermal and chemical stability, as well as high thermal conductivity and electrical insulation. Silicon carbide powder is widely used in semiconductors, abrasives, wear-resistant materials, and high-temperature structural materials.

[0003] Announcement No. CN220110946U discloses a device for producing a silicon carbide powder intermediate. Carbon powder and silicon powder are mixed at the bottom of a stirring tank. The mixed liquid flows out of the stirring tank from the overflow port into the mixing barrel, and then enters the grinding barrel through the discharge pipe under the action of gravity. In this process, the carbon powder and silicon powder can be prevented from floating on the water surface in the initial stage of mixing, and the carbon powder and silicon powder can be prevented from not being fully mixed in the initial stage of grinding.

[0004] In the above technology, carbon powder and silicon powder are mixed and discharged through a discharge pipe. However, the mixed carbon powder and silicon powder have a certain viscosity. When discharged through the discharge pipe, they are easy to adhere to the inner wall of the discharge pipe to form a blockage, affecting the smooth discharge of the material, thereby reducing production efficiency. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a silicon carbide powder intermediate production device.

[0006] The utility model is implemented by the following technical solutions: a silicon carbide powder intermediate production device, comprising a grinding barrel, the surface of the grinding barrel is provided with an electromagnetic heater, the upper end of the grinding barrel is provided with a mixing tank, the bottom of the mixing tank is connected to a discharge pipe, the interior of the mixing tank is provided with a stirring assembly, the top of the mixing tank is fixedly connected to an upper hopper, and the upper end of the mixing tank is provided with a mixing assembly;

[0007] The stirring assembly includes a motor, the output end of the motor is fixedly connected to a transmission shaft, the bottom of the transmission shaft is fixedly connected to a fixed rod, the surface of the fixed rod is fixedly connected to a stirring rod, the end of the stirring rod away from the fixed rod is fixedly connected to a scraper, the bottom of the fixed rod is fixedly connected to an extension rod, and the surface of the extension rod is fixedly connected to a spiral push piece.

[0008] Through the above technical solution, the motor drives the transmission shaft to rotate, causing the fixed rod to rotate, causing the extension rod to rotate, and the mixed raw materials to be pushed through the spiral pushing piece to prevent the raw materials from being blocked on the inner wall of the discharge pipe, thereby improving production efficiency.

[0009] As a further improvement of the above solution, a mounting bracket is fixedly connected to the upper surface of the mixing tank, and the inner wall of the mounting bracket is fixedly connected to the top of the motor.

[0010] As a further improvement of the above solution, the surface of the transmission shaft is rotatably connected to the inner wall of the mixing tank, and the surface of the scraper is in contact with the inner wall of the mixing tank.

[0011] Through the above technical solution, when the fixed rod rotates, it will drive the stirring rod to rotate to mix and stir the raw materials. As the stirring rod rotates, the scraper scrapes the inner wall of the mixing tank to prevent the raw materials from adhering to the inner wall of the mixing tank, resulting in waste of raw materials, and facilitates the subsequent cleaning of the inner wall of the mixing tank, thereby improving convenience and practicality during use.

[0012] As a further improvement of the above solution, the lower end of the extension rod extends to the interior of the discharge pipe, and the end of the discharge pipe away from the mixing tank is connected to the grinding barrel.

[0013] Through the above technical solution, the mixed raw materials are transported to the inside of the grinding barrel through the discharge pipe.

[0014] As a further improvement of the above solution, the mixing assembly includes a connecting rod, a mixing rod is fixedly connected to the surface of the connecting rod, a driven bevel gear is fixedly connected to the left end of the connecting rod, and a driving bevel gear is meshed with the inner wall of the driven bevel gear.

[0015] Through the above technical solution, when the transmission shaft rotates, it will drive the active bevel gear to rotate, thereby driving the driven bevel gear meshing with it to rotate, causing the connecting rod to rotate, driving the mixing rod to rotate to perform preliminary mixing of the raw materials, thereby improving the efficiency of subsequent mixing.

[0016] As a further improvement of the above solution, the surface of the connecting rod is rotatably connected to the inner wall of the upper hopper, and the upper hopper and the mixing tank are communicated with each other.

[0017] Through the above technical solution, the raw materials after preliminary mixing enter the interior of the mixing tank due to gravity.

[0018] As a further improvement of the above solution, the mixing rod is located inside the upper hopper, and the inner wall of the driving bevel gear is fixedly connected to the surface of the transmission shaft.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] The utility model is provided with a stirring assembly, specifically, a motor drives the transmission shaft to rotate, and when the transmission shaft rotates, it drives the fixed rod to rotate, so that the stirring rod rotates to stir the raw materials, so that the raw materials can be fully mixed before entering the grinding barrel, thereby improving the reaction efficiency. When the stirring rod rotates, the scraper contacts the inner wall of the mixing tank, scrapes off the raw materials attached to the inner wall of the mixing tank, and prevents the waste of raw materials. After the mixing is completed, the raw materials are discharged into the interior of the grinding barrel through the discharge pipe. When the fixed rod rotates, it also drives the extension rod to rotate, so that the spiral pushing piece rotates to push the raw materials, thereby avoiding the raw materials from being blocked inside the discharge pipe, improving production efficiency, and reducing the frequency of cleaning and maintenance.

[0021] The utility model is provided with an upper hopper and a mixing assembly, specifically, a motor drives a transmission shaft to rotate, drives an active bevel gear to rotate, drives a driven bevel gear to rotate, causes a connecting rod to rotate on the inner wall of the upper hopper, causes a plurality of mixing rods to rotate, and then adds carbon powder, silicon powder and high-purity water into the interior of the upper hopper, and performs preliminary mixing on them through the mixing rods, thereby improving the subsequent mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the mixing tank of the utility model;

[0024] Figure 3 This is a schematic diagram of the connection structure of the stirring assembly of the utility model;

[0025] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0026] Figure 5 It is a schematic diagram of the overall top view of the structure of the utility model.

[0027] Description of main symbols:

[0028] 1. Grinding barrel; 2. Electromagnetic heater; 3. Mixing tank; 4. Discharge pipe; 5. Stirring assembly; 501. Motor; 502. Drive shaft; 503. Fixed rod; 504. Stirring rod; 505. Scraper; 506. Extension rod; 507. Spiral push piece; 6. Upper hopper; 7. Mixing assembly; 701. Connecting rod; 702. Mixing rod; 703. Driven bevel gear; 704. Driving bevel gear; 8. Mounting bracket. DETAILED DESCRIPTION

[0029] Below, the present invention is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] Example:

[0031] Please combine Figure 1-5 The present embodiment provides a silicon carbide powder intermediate production device, comprising a grinding barrel 1, an electromagnetic heater 2 provided on the surface of the grinding barrel 1, a mixing tank 3 provided at the upper end of the grinding barrel 1, a discharge pipe 4 connected to the bottom of the mixing tank 3, a stirring assembly 5 provided inside the mixing tank 3, an upper hopper 6 fixedly connected to the top of the mixing tank 3, and a mixing assembly 7 provided at the upper end of the mixing tank 3;

[0032] The stirring assembly 5 includes a motor 501, the output end of the motor 501 is fixedly connected to a transmission shaft 502, the bottom of the transmission shaft 502 is fixedly connected to a fixed rod 503, the surface of the fixed rod 503 is fixedly connected to a stirring rod 504, the end of the stirring rod 504 away from the fixed rod 503 is fixedly connected to a scraper 505, the bottom of the fixed rod 503 is fixedly connected to an extension rod 506, the surface of the extension rod 506 is fixedly connected to a spiral push piece 507, the motor 501 drives the transmission shaft 502 to rotate, and when the transmission shaft 502 rotates, it drives the fixed rod 503 to rotate, so that the stirring rod 504 rotates to stir the raw materials so that the raw materials can be fully mixed before entering the grinding barrel 1, thereby improving the reaction efficiency. While the stirring rod 504 rotates, the scraper 505 contacts the inner wall of the mixing tank 3, scraping off the raw materials attached to the inner wall of the mixing tank 3 to prevent waste of raw materials. After the mixing is completed, the raw materials are discharged into the interior of the grinding barrel 1 through the discharge pipe 4. When the fixed rod 503 rotates, it also drives the extension rod 506 to rotate, so that the spiral pushing piece 507 rotates to push the raw materials, thereby avoiding the raw materials from being blocked inside the discharge pipe 4, improving production efficiency, and reducing the frequency of cleaning and maintenance.

[0033] The upper surface of the mixing tank 3 is fixedly connected to a mounting bracket 8 , and the inner wall of the mounting bracket 8 is fixedly connected to the top of the motor 501 .

[0034] The surface of the transmission shaft 502 is rotatably connected to the inner wall of the mixing tank 3 , and the surface of the scraper 505 is in contact with the inner wall of the mixing tank 3 .

[0035] The lower end of the extension rod 506 extends to the interior of the discharge pipe 4 , and the end of the discharge pipe 4 away from the mixing tank 3 is connected to the grinding barrel 1 .

[0036] The mixing assembly 7 includes a connecting rod 701, the surface of which is fixedly connected to a mixing rod 702, the left end of the connecting rod 701 is fixedly connected to a driven bevel gear 703, the inner wall of the driven bevel gear 703 is meshed with a driving bevel gear 704, the motor 501 drives the transmission shaft 502 to rotate, drives the driving bevel gear 704 to rotate, and drives the driven bevel gear 703 to rotate, so that the connecting rod 701 rotates on the inner wall of the upper hopper 6, so that several mixing rods 702 rotate, and then carbon powder, silicon powder and high-purity water are added to the interior of the upper hopper 6, and are preliminarily mixed by the mixing rod 702, thereby improving the subsequent mixing efficiency.

[0037] The surface of the connecting rod 701 is rotatably connected to the inner wall of the upper hopper 6 , and the upper hopper 6 and the mixing tank 3 are communicated with each other.

[0038] The mixing rod 702 is located inside the upper hopper 6 , and the inner wall of the driving bevel gear 704 is fixedly connected to the surface of the transmission shaft 502 .

[0039] The implementation principle of a silicon carbide powder intermediate production device in the embodiment of the present application is as follows: before grinding, the motor 501 is started, and the motor 501 drives the transmission shaft 502 to rotate, drives the active bevel gear 704 to rotate, drives the driven bevel gear 703 to rotate, and makes the connecting rod 701 rotate on the inner wall of the upper hopper 6, so that the plurality of mixing rods 702 rotate, and then the carbon powder, silicon powder and high-purity water are added to the interior of the upper hopper 6, and are preliminarily mixed by the mixing rod 702, thereby improving the subsequent mixing efficiency, and then the preliminarily mixed raw materials enter the interior of the mixing tank 3, and the transmission shaft 502 drives the solid The fixed rod 503 rotates, causing the stirring rod 504 to rotate and stir the raw materials, so that the raw materials can be fully mixed before entering the grinding barrel 1, thereby improving the reaction efficiency. While the stirring rod 504 rotates, the scraper 505 contacts the inner wall of the mixing tank 3, scraping off the raw materials attached to the inner wall of the mixing tank 3 to prevent waste of raw materials. After the mixing is completed, the raw materials are discharged into the interior of the grinding barrel 1 through the discharge pipe 4. When the fixed rod 503 rotates, it also drives the extension rod 506 to rotate, causing the spiral pushing piece 507 to rotate to push the raw materials, thereby avoiding the raw materials from being blocked inside the discharge pipe 4, improving production efficiency, and reducing the frequency of cleaning and maintenance.

[0040] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A silicon carbide powder intermediate production device, characterized in that: The invention comprises a grinding barrel (1), the surface of the grinding barrel (1) is provided with an electromagnetic heater (2), the upper end of the grinding barrel (1) is provided with a mixing tank (3), the bottom of the mixing tank (3) is connected to a discharge pipe (4), a stirring assembly (5) is provided inside the mixing tank (3), the top of the mixing tank (3) is fixedly connected to an upper hopper (6), and the upper end of the mixing tank (3) is provided with a mixing assembly (7); The stirring assembly (5) comprises a motor (501), the output end of the motor (501) is fixedly connected to a transmission shaft (502), the bottom of the transmission shaft (502) is fixedly connected to a fixed rod (503), the surface of the fixed rod (503) is fixedly connected to a stirring rod (504), one end of the stirring rod (504) away from the fixed rod (503) is fixedly connected to a scraper (505), the bottom of the fixed rod (503) is fixedly connected to an extension rod (506), and the surface of the extension rod (506) is fixedly connected to a spiral push piece (507).

2. The silicon carbide powder intermediate production device according to claim 1, characterized in that: A mounting frame (8) is fixedly connected to the upper surface of the mixing tank (3), and the inner wall of the mounting frame (8) is fixedly connected to the top of the motor (501).

3. The silicon carbide powder intermediate production device according to claim 1, characterized in that: The surface of the transmission shaft (502) is rotatably connected to the inner wall of the mixing tank (3), and the surface of the scraper (505) is in contact with the inner wall of the mixing tank (3).

4. The silicon carbide powder intermediate production device according to claim 1, characterized in that: The lower end of the extension rod (506) extends to the interior of the discharge pipe (4), and the end of the discharge pipe (4) away from the mixing tank (3) is connected to the grinding barrel (1).

5. The silicon carbide powder intermediate production device according to claim 1, characterized in that: The mixing assembly (7) comprises a connecting rod (701), a mixing rod (702) is fixedly connected to the surface of the connecting rod (701), a driven bevel gear (703) is fixedly connected to the left end of the connecting rod (701), and a driving bevel gear (704) is meshed with the inner wall of the driven bevel gear (703).

6. The silicon carbide powder intermediate production device according to claim 5, characterized in that: The surface of the connecting rod (701) is rotatably connected to the inner wall of the upper hopper (6), and the upper hopper (6) and the mixing tank (3) are communicated with each other.

7. The silicon carbide powder intermediate production device according to claim 5, characterized in that: The mixing rod (702) is located inside the upper hopper (6), and the inner wall of the driving bevel gear (704) is fixedly connected to the surface of the transmission shaft (502).

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