Silicon carbide slurry stirring device

Abstract

The utility model discloses a silicon carbide slurry stirring device, which belongs to the technical field of silicon carbide slurry stirring, and adopts the technical scheme that the silicon carbide slurry stirring device comprises a stirring tank, a cover plate is in bolted connection with the top of the stirring tank, a stirring assembly is arranged in an inner cavity of the stirring tank, a bubble removing assembly is arranged on the right side of the top of the cover plate, and the stirring assembly comprises a motor; the bottom of the motor is fixedly connected with the top of the cover plate, the output end of the motor is fixedly connected with a stirring rod, the bottom of the stirring rod penetrates through the cover plate and extends to the bottom of the inner cavity of the stirring tank, and the problems that according to an existing stirring device, the stirring effect is generally improved by driving stirring blades to ascend and descend in a reciprocating mode, but a driving structure is complex; the problems that in the prior art, the stirring device is high in later maintenance cost, slurry cannot be prevented from being adhered to the inner wall of the stirring device, bubbles are generated when silicon carbide slurry is stirred, and the existing device cannot eliminate the bubbles generally, so that the product quality is affected are solved.

Description

Technical Field

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

[0002] Silicon carbide slurry is a suspension composed of silicon carbide particles, solvents and additives. It has important applications in industrial production. In the preparation of ceramic materials, silicon carbide slurry can be used in processes such as forming, grinding and polishing of ceramic bodies.

[0003] When the existing stirring device is in use, the stirring blade is controlled to rise and fall while the stirring blade is rotating and stirring, thereby reducing the stirring effect. The overall structure is large, taking up a lot of space, and the lifting and rotation are controlled separately, resulting in poor stability. At the same time, when the existing device is stirring silicon carbide, the raw materials are not crushed, which greatly reduces the stirring and mixing efficiency of the raw materials, which is not conducive to the use of the device.

[0004] Existing patent (Announcement No.: CN220294566U) This utility model discloses a stirring device for silicon carbide ceramic slurry, which relates to the technical field of stirring devices, including a stirring tank, the top of the stirring tank is fixedly connected with a stirring mechanism, the top left side of the stirring tank is fixedly connected with a water injection port, the top right side of the stirring tank is fixedly connected with a feeding barrel, and the bottom of the stirring tank is fixedly connected with a discharge pipe. The rotating rod 1 of the utility model rotates while rotating, which can drive the bevel gear 1 to rotate, thereby driving the half gear to rotate through the bevel gear 2, and through the engagement with the tooth plate, it can drive the sliding ring to slide back and forth, thereby driving the lifting ring to lift back and forth through the connecting rod, and the rotating rod 2 can drive the stirring blade to lift repeatedly through the bearing, so that the stirring effect of the raw material is better, and the linkage control adopted for lifting and rotation improves the stability of the stirring device.

[0005] In response to the above problems, existing patents have provided solutions. Existing stirring devices usually improve the stirring effect by driving the stirring blades to move back and forth. However, the driving structure is relatively complex, the subsequent maintenance cost is high, and it cannot prevent the slurry from adhering to the inner wall of the stirring device. In addition, silicon carbide slurry will produce bubbles during stirring, and existing devices usually cannot eliminate the bubbles, which will affect product quality.

[0006] To this end, a silicon carbide slurry stirring device is proposed. Utility Model Content

[0007] The purpose of the utility model is to provide a silicon carbide slurry stirring device, which can solve the problem that existing stirring devices usually improve the stirring effect by driving the stirring blades to move back and forth, but the driving structure is relatively complex, the subsequent maintenance cost is high, and the slurry cannot be prevented from adhering to the inner wall of the stirring device. In addition, silicon carbide slurry will produce bubbles when stirring, and existing devices usually cannot eliminate the bubbles, which affects product quality.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a silicon carbide slurry stirring device, comprising a stirring tank, a cover plate bolted to the top of the stirring tank, a stirring assembly provided in the inner cavity of the stirring tank, and a bubble removal assembly provided on the right side of the top of the cover plate;

[0009] The stirring assembly includes a motor, the bottom of the motor is fixedly connected to the top of the cover plate, the output end of the motor is fixedly connected to a stirring rod, the bottom of the stirring rod passes through the cover plate and extends to the bottom of the inner cavity of the stirring tank, the top of the stirring rod surface is rotatably connected to the inner wall of the cover plate through a bearing, both sides of the stirring rod surface are fixedly connected with spiral stirring blades and inclined plate stirring blades, the side of the inclined plate stirring blade away from the stirring rod is fixedly connected with a fixing bar, the side of the fixing bar away from the inclined plate stirring blade is fixedly connected with a scraping bar, and the side of the scraping bar close to the inner wall of the stirring tank is in contact with the inner wall of the stirring tank.

[0010] Preferably, the debubble assembly includes an air pump and a debubble mesh plate, the bottom of the air pump is fixedly connected to the right side of the top of the cover plate, the left side of the air pump is connected to an air pump pipe, and the other end of the air pump pipe is connected to the top of the cover plate.

[0011] Preferably, the debubble screen is located at the top of the inner cavity of the stirring tank, the side of the debubble screen close to the inner wall of the stirring tank is fixedly connected to the inner wall of the stirring tank, and the inner wall of the debubble screen is rotatably connected to the surface of the stirring rod through a bearing.

[0012] Preferably, the right side of the vacuum pump is connected to an exhaust pipe, and the exhaust pipe is a steerable bellows.

[0013] Preferably, the number of the spiral stirring blades and the inclined plate stirring blades are both several, and are evenly staggered and distributed on both sides of the surface of the stirring rod.

[0014] Preferably, the top and bottom of the fixing bar on the side close to the stirring rod are fixedly connected to the reinforcement rod, and the side of the reinforcement rod close to the stirring rod is fixedly connected to the stirring rod.

[0015] Preferably, the top of the left side of the stirring tank is connected to a feed pipe, and the top of the surface of the feed pipe is connected to a sealing cover through a thread.

[0016] Preferably, the bottom of the stirring tank is connected to a discharge pipe, and a discharge valve is provided inside the discharge pipe.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The present application can stir the silicon carbide slurry in the stirring tank by setting a stirring component. During the stirring process, the slurry can form a complex flow path in the stirring tank, which can better stir the silicon carbide particles evenly. In addition, the stirring component can prevent the slurry from adhering to the inner wall of the stirring tank during stirring, thereby improving the stirring effect. In addition, the driving method is relatively simple, which is convenient for subsequent maintenance.

[0019] 2. This application uses a bubble removal component to eliminate bubbles generated in the silicon carbide slurry during the stirring process, thereby improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is the overall structural diagram of the silicon carbide slurry stirring device of the present invention;

[0021] Figure 2 This is a cross-sectional structural diagram of the stirring tank in the present utility model;

[0022] Figure 3 This is a structural diagram of the stirring assembly in the present utility model;

[0023] Figure 4 This is a structural diagram of the bubble removal component in the utility model;

[0024] Figure 5 This is a disassembled structural diagram of the stirring tank, sealing cover and feed pipe in the utility model.

[0025] In the figure, 1. stirring tank; 2. cover plate; 3. stirring assembly; 301. motor; 302. stirring rod; 303. spiral stirring blade; 304. inclined plate stirring blade; 305. fixing bar; 306. scraper; 4. debubble assembly; 401. vacuum pump; 402. debubble screen; 403. vacuum pipe; 404. exhaust pipe; 5. reinforcement rod; 6. feed pipe; 7. sealing cover; 8. discharge pipe; 9. discharge valve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1-5 , this utility model provides a technical solution:

[0028] The silicon carbide slurry stirring device includes a stirring tank 1, a cover plate 2 is bolted to the top of the stirring tank 1, a stirring component 3 is provided in the inner cavity of the stirring tank 1, and a bubble removal component 4 is provided on the right side of the top of the cover plate 2;

[0029] The stirring assembly 3 includes a motor 301, the bottom of the motor 301 is fixedly connected to the top of the cover plate 2, the output end of the motor 301 is fixedly connected to the stirring rod 302, the bottom of the stirring rod 302 passes through the cover plate 2 and extends to the bottom of the inner cavity of the stirring tank 1, the top of the surface of the stirring rod 302 is rotatably connected to the inner wall of the cover plate 2 through a bearing, and both sides of the surface of the stirring rod 302 are fixedly connected with spiral stirring blades 303 and inclined plate stirring blades 304, the side of the inclined plate stirring blade 304 away from the stirring rod 302 is fixedly connected with a fixing bar 305, and the side of the fixing bar 305 away from the inclined plate stirring blade 304 is fixedly connected with a scraper bar 306, and the side of the scraper bar 306 close to the inner wall of the stirring tank 1 is in contact with the inner wall of the stirring tank 1.

[0030] In this embodiment: by setting a stirring tank 1, a cover plate 2, a stirring component 3 and a bubble removal component 4, when in use, the silicon carbide slurry in the stirring tank 1 can be stirred by the setting of the stirring component 3, and during the stirring process, the slurry can form a complex flow path in the stirring tank 1, which can better fully and evenly stir the silicon carbide particles, and the stirring component 3 can prevent the slurry from adhering to the inner wall of the stirring tank 1 during stirring, thereby improving the stirring effect, and the driving method is relatively simple, which is convenient for later maintenance. By setting the bubble removal component 4, the bubbles generated by the silicon carbide slurry during the stirring process can be eliminated, thereby improving the product quality.

[0031] Specifically, such as Figure 1 、 Figure 2 、 Figure 4 As shown, the bubble removal component 4 includes an air pump 401 and a bubble removal mesh plate 402. The bottom of the air pump 401 is fixedly connected to the right side of the top of the cover plate 2. The left side of the air pump 401 is connected to an air extraction pipe 403, and the other end of the air extraction pipe 403 is connected to the top of the cover plate 2.

[0032] Specifically, such as Figure 2 、 Figure 4 As shown, the debubble screen 402 is located at the top of the inner cavity of the stirring tank 1, and the side of the debubble screen 402 close to the inner wall of the stirring tank 1 is fixedly connected to the inner wall of the stirring tank 1, and the inner wall of the debubble screen 402 is rotatably connected to the surface of the stirring rod 302 through a bearing.

[0033] Specifically, such as Figure 1 、 Figure 2 、 Figure 4 As shown, the right side of the air pump 401 is connected to an exhaust pipe 404, and the exhaust pipe 404 is a steerable bellows.

[0034] In this embodiment: by setting an air pump 401, a bubble removal mesh plate 402, an air suction pipe 403, and an exhaust pipe 404, when in use, by starting the air pump 401, the air suction pump 401 outputs negative pressure suction to the mixing tank 1 through the air suction pipe 403, so that a negative pressure is formed in the mixing tank 1, so that the bubbles move to the top of the inner cavity of the mixing tank 1 and are broken by the bubble removal mesh plate 402, and then are drawn out of the mixing tank 1 through the air suction pipe 403 and discharged through the exhaust pipe 404. By setting the exhaust pipe 404 as a steerable corrugated pipe, it is convenient to adjust the exhaust direction and can be conveniently connected to the exhaust gas treatment pipeline.

[0035] Specifically, such as Figure 2 、 Figure 3 As shown, the number of the spiral stirring blades 303 and the inclined plate stirring blades 304 are both several, and are evenly and staggeredly distributed on both sides of the surface of the stirring rod 302.

[0036] Specifically, such as Figure 2 、 Figure 3 As shown, the top and bottom of the fixing bar 305 close to the stirring rod 302 are fixedly connected to the reinforcement rod 5, and the side of the reinforcement rod 5 close to the stirring rod 302 is fixedly connected to the stirring rod 302.

[0037] In this embodiment: by arranging a plurality of spiral stirring blades 303 and inclined plate stirring blades 304, the stirring range can be increased; by arranging the spiral stirring blades 303 and the inclined plate stirring blades 304 to be evenly staggered, the slurry can form a complex flow path in the stirring tank 1, thereby improving the stirring effect; by arranging the reinforcement rod 5, the fixing bar 305 can be reinforced and connected to the stirring rod 302, thereby improving the scraping stability of the scraping bar 306 on the inner wall of the stirring tank 1.

[0038] Specifically, such as Figure 1 、 Figure 2 、 Figure 5 As shown, the top of the left side of the stirring tank 1 is connected to a feed pipe 6, and the top of the surface of the feed pipe 6 is connected to a sealing cover 7 through a thread.

[0039] Specifically, such as Figure 1 、 Figure 2 、 Figure 5 As shown, the bottom of the mixing tank 1 is connected to a discharge pipe 8 , and a discharge valve 9 is provided inside the discharge pipe 8 .

[0040] In this embodiment: by providing a feed pipe 6, the material can be conveniently added to the mixing tank 1, by providing a sealing cover 7, the feed pipe 6 can be sealed, by providing a discharge pipe 8, the stirred silicon carbide slurry can be conveniently discharged, and by providing a discharge valve 9, the discharge pipe 8 can be opened and closed.

[0041] Working principle: When in use, the silicon carbide material is added into the mixing tank 1 through the feeding pipe 6, and then the sealing cover 7 is covered and the motor 301 is started, so that the output end of the motor 301 drives the stirring rod 302 to rotate, and the stirring rod 302 drives the spiral stirring blade 303 and the inclined plate stirring blade 304 to rotate. The rotation of the spiral stirring blade 303 and the inclined plate stirring blade 304 can form a complex flow path of the slurry in the mixing tank 1, which can better stir the silicon carbide particles evenly, and the inclined plate stirring blade 304 will drive the fixed bar 305 to rotate when rotating, and the fixed bar 305 drives the scraping bar 306 to rotate. The inner wall of the mixing tank 1 can be scraped by the rotation of the scraping bar 306, so that Preventing the slurry from adhering to the inner wall of the stirring tank 1 can improve the stirring effect, and the stirring drive method is relatively simple, which is convenient for later maintenance. Then, during stirring, the vacuum pump 401 can be started, so that the vacuum pump 401 outputs negative pressure suction to the stirring tank 1 through the vacuum pipe 403, so that a negative pressure is formed in the stirring tank 1, so that the bubbles move to the top of the inner cavity of the stirring tank 1 and are broken by the bubble removal mesh plate 402, and then the stirring tank 1 is drawn out through the vacuum pipe 403 and discharged through the exhaust pipe 404, so as to achieve the effect of eliminating the bubbles generated by the silicon carbide slurry during the stirring process. After the stirring is completed, the discharge valve 9 is opened and the slurry is discharged through the discharge pipe 8.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A silicon carbide slurry stirring device, comprising a stirring tank (1), characterized in that: A cover plate (2) is bolted to the top of the stirring tank (1), a stirring assembly (3) is provided in the inner cavity of the stirring tank (1), and a bubble removal assembly (4) is provided on the right side of the top of the cover plate (2); The stirring assembly (3) comprises a motor (301), the bottom of the motor (301) is fixedly connected to the top of the cover plate (2), the output end of the motor (301) is fixedly connected to a stirring rod (302), the bottom of the stirring rod (302) passes through the cover plate (2) and extends to the bottom of the inner cavity of the stirring tank (1), the top of the surface of the stirring rod (302) is rotatably connected to the inner wall of the cover plate (2) via a bearing, and both sides of the surface of the stirring rod (302) are fixedly connected to spiral stirring blades (303) and inclined plate stirring blades (304), the side of the inclined plate stirring blade (304) away from the stirring rod (302) is fixedly connected to a fixing bar (305), the side of the fixing bar (305) away from the inclined plate stirring blade (304) is fixedly connected to a scraping bar (306), and the side of the scraping bar (306) close to the inner wall of the stirring tank (1) contacts the inner wall of the stirring tank (1).

2. The silicon carbide slurry stirring device according to claim 1, characterized in that: The debubble assembly (4) comprises an air pump (401) and a debubble screen (402), the bottom of the air pump (401) is fixedly connected to the right side of the top of the cover plate (2), the left side of the air pump (401) is connected to an air extraction pipe (403), and the other end of the air extraction pipe (403) is connected to the top of the cover plate (2).

3. The silicon carbide slurry stirring device according to claim 2, characterized in that: The defoaming screen (402) is located at the top of the inner cavity of the stirring tank (1); a side of the defoaming screen (402) close to the inner wall of the stirring tank (1) is fixedly connected to the inner wall of the stirring tank (1); and the inner wall of the defoaming screen (402) is rotatably connected to the surface of the stirring rod (302) via a bearing.

4. The silicon carbide slurry stirring device according to claim 2, characterized in that: The right side of the air pump (401) is connected to an exhaust pipe (404), and the exhaust pipe (404) is a steerable bellows.

5. The silicon carbide slurry stirring device according to claim 1, characterized in that: The number of the spiral stirring blades (303) and the inclined plate stirring blades (304) is several, and they are evenly staggered and distributed on both sides of the surface of the stirring rod (302).

6. The silicon carbide slurry stirring device according to claim 1, characterized in that: The top and bottom of the fixing bar (305) on the side close to the stirring rod (302) are both fixedly connected to the reinforcement rod (5), and the side of the reinforcement rod (5) close to the stirring rod (302) is fixedly connected to the stirring rod (302).

7. The silicon carbide slurry stirring device according to claim 1, characterized in that: The top of the left side of the stirring tank (1) is connected to a feed pipe (6), and the top of the surface of the feed pipe (6) is connected to a sealing cover (7) through a thread.

8. The silicon carbide slurry stirring device according to claim 1, characterized in that: The bottom of the stirring tank (1) is connected to a discharge pipe (8), and a discharge valve (9) is provided inside the discharge pipe (8).

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