Brown fused alumina polishing and screening device

Abstract

The utility model discloses a brown fused alumina polishing and screening device which comprises a polishing box, symmetrical sliding grooves are formed in the inner wall of the polishing box, the interiors of the two sliding grooves are jointly connected with a first screening net in a sliding mode, and the interiors of the two sliding grooves are jointly connected with a second screening net in a sliding mode. The interiors of the two sliding grooves are jointly connected with a third screening net in a sliding mode. According to the device, through cooperation of the first screening net, the second screening net and the third screening net, polished brown aluminum oxide rolls to the second screening net and the third screening net in sequence from the first screening net, brown aluminum oxide micro powder is screened in a classified mode, and therefore the labor intensity of workers is reduced, and the working efficiency is improved; the third screening net, the second screening net and the first screening net are sequentially placed in the sliding grooves, through cooperation of the positioning frame and the inserting block, the third screening net is limited, the bolts are installed on the first screening net, the first screening net is positioned, installation of the screening nets is completed, and replacement of the screening nets is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of brown fused alumina micro powder production technology, and in particular to a brown fused alumina grinding and screening device. Background Technology

[0002] Brown fused alumina is mainly produced by high-temperature smelting of bauxite and anthracite in an electric arc furnace. Its chemical composition is mainly alumina, and it has characteristics such as high hardness, high strength, wear resistance, corrosion resistance, high toughness, and high thermal stability. Brown fused alumina micro powder is a fine powder made from brown fused alumina as raw material through crushing, grinding and other processes. In the production process of brown fused alumina micro powder, it is usually necessary to grind the brown fused alumina micro powder to improve product quality.

[0003] Existing grinding devices have relatively limited functions. After grinding brown fused alumina, workers need to transport it to a screening device to separate brown fused alumina of different sizes, which increases the labor intensity of workers and reduces work efficiency. Therefore, we propose a brown fused alumina grinding and screening device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a brown fused alumina grinding and screening device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A brown fused alumina grinding and screening device includes a grinding box. The inner wall of the grinding box has symmetrical sliding grooves. A first screening screen, a second screening screen, and a third screening screen are slidably connected to the interior of two of the sliding grooves. The right side of the first screening screen contacts the left side of the second screening screen, and the right side of the second screening screen contacts the left side of the third screening screen. Symmetrical bolts are threaded onto the inner wall of the grinding box and the inner wall of the first screening screen. Two sets of positioning frames are connected to the right side of the grinding box. Inserts are slidably connected inside each of the two positioning frames. The left side of each of the two inserts contacts the right side of the third screening screen. A transmission assembly is provided on the front of the grinding box. Two sets of bearings are embedded in the inner wall of the grinding box. Grinding rollers are connected to the inner rings of both sets of bearings, and one end of each set of grinding rollers is connected to the transmission assembly.

[0007] In a further embodiment, the transmission assembly includes a protective cover, the outer surface of which is connected to the front of the grinding box, a drive motor is installed on the inner wall of the protective cover, one end of each of the two grinding rollers passes through a bearing and extends into the interior of the protective cover, one end of each of the two grinding rollers is connected to a gear, and the output end of the drive motor is connected to the outer surface of one of the gears.

[0008] In a further embodiment, a baffle is connected to the inner wall of the grinding box, the baffle is located below the grinding roller, and the baffle is inclined.

[0009] In a further embodiment, the pore size of the first screening mesh is smaller than that of the second screening mesh, and the pore size of the second screening mesh is smaller than that of the third screening mesh.

[0010] In a further embodiment, the grinding box is provided with a material collection bin inside, and the material collection bin is provided with symmetrical partitions inside.

[0011] In a further embodiment, the inner bottom wall of the grinding box is provided with symmetrical limiting grooves, and limiting blocks are slidably connected inside the two limiting grooves. The upper surfaces of the two limiting blocks are connected to the bottom surface of the collection bin.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This device, equipped with a first, second, and third screening screen, allows the polished brown fused alumina powder to fall onto the first screen and then roll sequentially to the second and third screens, thus classifying and screening the brown fused alumina. This process reduces the labor intensity of workers and improves work efficiency. By placing the third, second, and first screening screens into a chute in sequence, and using a positioning frame and insert blocks to limit the movement of the third screening screen, bolts are installed onto the first screening screen to position it, thereby completing the installation of the screening screens and facilitating their replacement. Attached Figure Description

[0014] Figure 1 This is a front view schematic diagram of the brown fused alumina grinding and screening device.

[0015] Figure 2 This is a schematic diagram of the front section of the transmission component in the brown fused alumina grinding and screening device.

[0016] Figure 3 This is a schematic diagram of the front section structure of the brown fused alumina grinding and screening device.

[0017] Figure 4 This is a side view of the brown fused alumina grinding and screening device.

[0018] In the diagram: 1. Grinding box; 2. Bolt; 3. Transmission assembly; 301. Protective cover; 302. Drive motor; 303. Gear; 4. Bearing; 5. Grinding roller; 6. Collection bin; 7. Partition; 8. First screening screen; 9. Second screening screen; 10. Third screening screen; 11. Baffle; 12. Slide groove; 13. Limiting groove; 14. Limiting block; 15. Insertion block; 16. Positioning frame. Detailed Implementation

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] 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.

[0022] Please see Figure 1-4In this utility model, a brown fused alumina grinding and screening device includes a grinding box 1. The inner wall of the grinding box 1 has symmetrical sliding grooves 12. A first screening mesh 8, a second screening mesh 9, and a third screening mesh 10 are slidably connected inside the two sliding grooves 12. The right side of the first screening mesh 8 contacts the left side of the second screening mesh 9, and the right side of the second screening mesh 9 contacts the left side of the third screening mesh 10. Symmetrical bolts 2 are threadedly connected to the inner wall of the grinding box 1 and the inner wall of the first screening mesh 8. Two sets of positioning frames 16 are connected to the right side of the grinding box 1. Insert blocks 15 are slidably connected inside each of the two sets of positioning frames 16. The left side of each of the two insert blocks 15 contacts the right side of the third screening mesh 10. The grinding box 1 has a transmission assembly 3 on its front side. The inner wall of the grinding box 1 is inlaid with two sets of bearings 4. The inner rings of the two sets of bearings 4 are connected to grinding rollers 5. One end of each set of grinding rollers 5 is connected to the transmission assembly 3. By setting a sliding groove 12, the screening screen can be limited to prevent it from moving up and down. By cooperating with the first screening screen 8, the second screening screen 9 and the third screening screen 10, brown corundum of different sizes can be screened. By setting a bolt 2, the first screening screen 8 can be positioned. By setting a positioning frame 16, the insert block 15 can be placed to limit the third screening screen 10 and prevent the third screening screen 10 from falling off the sliding groove 12. By setting a transmission assembly 3, the two grinding rollers 5 can rotate relative to each other, so that the grinding rollers 5 can grind the brown corundum.

[0023] The transmission assembly 3 includes a protective cover 301. The outer surface of the protective cover 301 is connected to the front of the grinding box 1. A drive motor 302 is installed on the inner wall of the protective cover 301. One end of each of the two grinding rollers 5 passes through the bearing 4 and extends into the interior of the protective cover 301. One end of each of the two grinding rollers 5 is connected to a gear 303. The output end of the drive motor 302 is connected to the outer surface of one of the gears 303. By setting the drive motor 302, one of the gears 303 can be driven to rotate. Through the meshing relationship between the two gears 303, the two gears 303 can rotate relative to each other at the same time, thereby driving the grinding rollers 5 to rotate. A baffle 11 is connected to the inner wall of the grinding box 1. The baffle 11 is located below the grinding rollers 5 and is inclined. By setting the baffle 11, the ground brown fused alumina can fall onto the first screening screen 8, so that the brown fused alumina can be screened from the first screening screen 8.

[0024] The screening holes of the first screening mesh 8 are smaller than those of the second screening mesh 9, and the screening holes of the second screening mesh 9 are smaller than those of the third screening mesh 10. By screening the meshes in ascending order of size, brown fused alumina can be screened out in ascending order of size. The grinding box 1 is equipped with a collection bin 6 inside, and the collection bin 6 is equipped with symmetrical partitions 7 inside. By setting up the collection bin 6, the screened brown fused alumina can be collected. By setting up two partitions 7, three spaces can be formed, which correspond to the screening meshes and can be loaded with the corresponding brown fused alumina. The inner bottom wall of the grinding box 1 is provided with symmetrical limiting grooves 13. The two limiting grooves 13 are slidably connected to the inside of the limiting blocks 14. The upper surfaces of the two limiting blocks 14 are connected to the bottom surface of the collection bin 6. The collection bin 6 drives the limiting blocks 14 to slide in the limiting grooves 13, which can position the installation position of the collection bin 6.

[0025] The working principle of this utility model is as follows:

[0026] During use, the third screening mesh 10, the second screening mesh 9, and the first screening mesh 8 are first installed into the slide groove 12 in sequence. Then, the bolt 2 is rotated to position the first screening mesh 8, thus completing the installation. The transmission component 3 drives the two grinding rollers 5 to rotate relative to each other to grind the brown fused alumina. After grinding, the brown fused alumina falls onto the first screening mesh 8. The brown fused alumina rolls through the first screening mesh 8 to the second screening mesh 9 and the third screening mesh 10 in sequence to classify and screen the brown fused alumina. By rotating the bolt 2, it is separated from the first screening mesh 8. Then, the insert 15 is pulled out from the positioning frame 16, and the screening meshes will fall off the slide groove 12 in sequence.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0028] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A brown corundum polishing and screening device, characterized by: The utility model relates to a grinding box (1), the inner wall of grinding box (1) is opened with symmetrical chute (12), the inside of two chute (12) is connected with first screening net (8) jointly sliding, the inside of two chute (12) is connected with second screening net (9) jointly sliding, the inside of two chute (12) is connected with third screening net (10) jointly sliding, the right side of first screening net (8) is in contact with the left side of second screening net (9), the right side of second screening net (9) is in contact with the left side of third screening net (10), the inner wall of grinding box (1) and the inner wall of first screening net (8) are connected with symmetrical bolt (2) jointly threaded, the right side of grinding box (1) is connected with two groups of positioning frame (16), the inside of two groups of positioning frame (16) is connected with plug -in block (15) sliding, the left side of two plug -in block (15) is in contact with the right side of third screening net (10), the front of grinding box (1) is equipped with transmission assembly (3), the inner wall of grinding box (1) is inlaid with two groups of bearing (4), the inner ring of two groups of bearing (4) is connected with grinding roller (5), one end of two groups of grinding roller (5) is connected with transmission assembly (3).

2. The brown fused alumina polishing and screening device according to claim 1, characterized in that: The transmission assembly (3) includes a protective cover (301), the outer surface of the protective cover (301) is connected with the front of the grinding box (1), the inner wall of the protective cover (301) is provided with a drive motor (302), one end of the two grinding rollers (5) penetrates the bearing (4) and extends to the inside of the protective cover (301), one end of the two grinding rollers (5) is connected with a gear (303), the output end of the drive motor (302) is connected with the outer surface of one of the gears (303).

3. The brown fused alumina polishing and screening device according to claim 1, wherein: The inner wall of the grinding box (1) is connected with a baffle (11), the baffle (11) is located below the grinding roller (5), and the baffle (11) is inclined.

4. The brown fused alumina polishing and screening device according to claim 1, wherein: The screening holes of the first screening net (8) are smaller than the screening holes of the second screening net (9), and the screening holes of the second screening net (9) are smaller than the screening holes of the third screening net (10).

5. The brown fused alumina polishing and screening device of claim 1, wherein: The inside of the grinding box (1) is provided with a material collecting bin (6), and the inside of the material collecting bin (6) is provided with symmetrical partitions (7).

6. The brown fused alumina polishing and screening device of claim 1, wherein: The inner bottom wall of the grinding box (1) is provided with symmetrical limiting grooves (13), the inside of the two limiting grooves (13) is connected with limiting blocks (14) sliding, and the upper surfaces of the two limiting blocks (14) are connected with the bottom surface of the material collecting bin (6).

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