Screening device for coal briquette crushing
By designing a combination of crushing box, crushing teeth, limiting strips and filter screen, the problem of difficult particle screening during coal crushing was solved, achieving efficient crushing and screening effects.
Patent Information
- Application Number
- CN202520141877.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing technologies, coal blocks are prone to producing small particles during the crushing process, and the crushed coal is difficult to effectively screen and filter.
A coal crushing device was designed, comprising a crushing box, crushing teeth, limiting strips, a filter screen, and a fixed basket. The crushing teeth are driven by a motor to crush the coal, and the filter screen and limiting strips are used to screen and filter the coal.
It improves the efficiency of coal crushing and effectively screens and filters smaller particles, ensuring that larger particles roll through the filter screen and smaller particles are screened to the bottom, thus achieving efficient crushing and screening of coal.
Smart Images
Figure CN223832447U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coal processing technology, specifically to a coal crushing and screening device. Background Technology
[0002] Coal is a complex mixture of elements such as carbon, hydrogen, oxygen, and nitrogen, with carbon being its main component.
[0003] After coal is mined, some coal blocks are too large to be used properly and need to be crushed. However, during the crushing process, smaller particles are easily produced. These smaller particles need to be filtered out to facilitate the use of each crushed block. Therefore, there is a need for a device that can effectively crush and screen coal blocks. Utility Model Content
[0004] The purpose of this utility model is to provide a coal crushing and screening device, which has the advantages of crushing and screening coal blocks. It solves the problem that small particles are easily produced during the crushing process of coal blocks, and the small particles need to be filtered after crushing.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a coal crushing and screening device, comprising a support plate, limiting strips, a crushing box, a feed hopper, a motor, and fixed baskets. A fixed plate is fixed at the middle of one end of the crushing box. The motor is fixed at the middle of the upper surface of the fixed plate. A movable shaft is fixed at the output end of one end of the motor, and the end of the movable shaft opposite to the motor extends into the interior of the crushing box. Five crushing teeth are fixed at equal intervals at the end of the movable shaft inside the crushing box. Six limiting strips are fixed inside the crushing box and are located below the movable shaft. A discharge pipe is connected to the lower end of the crushing box. Two fixed baskets are provided, and one side of the two fixed baskets is connected to each other. A filter screen is fixed inside the fixed basket. Limiting plates are fixed at both ends of the upper surface of the fixed basket. Both fixed baskets are located directly below the discharge pipe. The support plate is triangular in shape, and two support plates are provided. Both support plates are fixed at both ends of the lower surface of the two fixed baskets.
[0006] Preferably, the two fixed baskets are in a V-shape, and the lower end face of the support plate is fixed with a first support leg at both ends.
[0007] Preferably, each of the two ends of the crushing box has two second support legs fixed on its lower side, and the second support legs are located outside the fixed basket.
[0008] Preferably, the feed hopper is fixed at the upper end of the crushing box, and the length and width of the lower end of the feed hopper are equal to the length and width of the crushing box.
[0009] Preferably, the outer racks of the crushing teeth are all arc-shaped, and the five crushing teeth and the six limiting strips are distributed alternately.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0011] 1. This utility model, by setting up a crushing box and crushing teeth, is conducive to achieving the crushing effect of coal blocks. The coal blocks to be crushed are loaded into the crushing box through the feed hopper. At the same time, the motor is started to drive the crushing teeth and the movable shaft to rotate, which is conducive to crushing the coal blocks. In addition, the limit strip can limit the coal blocks during the crushing process, which facilitates the crushing of coal blocks and improves the efficiency of coal block crushing.
[0012] 2. This utility model, by setting up a filter screen and a fixed basket, facilitates the filtration of crushed coal. The crushed coal can be discharged outward through the discharge pipe, and the discharged coal falls onto the filter screen and the fixed basket. Under the action of the filter screen, the crushed coal can be filtered. Larger coal pieces can roll through the filter screen onto the sides of the crushing box, while smaller coal particles can be screened by the filter screen and fall onto the lower side of the filter screen. Furthermore, the limiting plate can protect the coal during the screening process. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0014] Figure 2 This is a side view of the structure of this utility model;
[0015] Figure 3 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 4 This is a three-dimensional structural diagram of the crushing gear and motor of this utility model.
[0017] In the diagram: 1. First support leg; 2. Support plate; 3. Limiting plate; 4. Discharge pipe; 5. Fixing plate; 6. Limiting strip; 7. Crushing box; 8. Feed hopper; 9. Crushing teeth; 10. Motor; 11. Movable shaft; 12. Second support leg; 13. Filter screen; 14. Fixing basket. Detailed Implementation
[0018] 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.
[0019] Example 1
[0020] Please see Figures 1-4 This utility model provides an embodiment of a coal crushing and screening device, comprising a support plate 2, a limiting strip 6, a crushing box 7, a feed hopper 8, a motor 10, and a fixed basket 14. A fixed plate 5 is fixed at the middle of one end of the crushing box 7. The motor 10 is fixed at the middle of the upper surface of the fixed plate 5. A movable shaft 11 is fixed at the output end of one end of the motor 10, and the end of the movable shaft 11 facing away from the motor 10 extends into the interior of the crushing box 7. Five crushing teeth 9 are fixed at equal intervals at the end of the movable shaft 11 located inside the crushing box 7. The limiting strip 6 is fixed inside the crushing box 7, and there are six limiting strips 6 in total. The limiting strip 6 is located on the lower side of the movable shaft 11. The lower end of the crushing box 7 is connected to the discharge pipe 4. There are two fixed baskets 14 in total. One side of the two fixed baskets 14 is connected to each other. The filter screen 13 is fixed inside the fixed basket 14. A limiting plate 3 is fixed at both ends of the upper end face of the fixed basket 14. Both fixed baskets 14 are located directly below the discharge pipe 4. The support plate 2 is triangular in shape, and there are two support plates 2 in total. Both support plates 2 are fixed at both ends of the lower end face of the two fixed baskets 14.
[0021] Two second support legs 12 are fixed to the lower sides of both ends of the crushing box 7, and the second support legs 12 are located outside the fixed basket 14.
[0022] The feed hopper 8 is fixed at the upper end of the crushing box 7, and the length and width of the lower end of the feed hopper 8 are equal to the length and width of the crushing box 7.
[0023] The outer racks of the breaking teeth 9 are all arc-shaped, and the five breaking teeth 9 and the six limiting bars 6 are distributed in an alternating pattern.
[0024] The coal blocks to be crushed are fed into the crushing box 7 through the feed hopper 8. At the same time, the motor 10 is started to drive the crushing teeth 9 and the movable shaft 11 to rotate, which is beneficial to the crushing of the coal blocks. During the crushing process, the limit bar 6 can limit the coal blocks, which facilitates the crushing of the coal blocks and improves the efficiency of coal block crushing.
[0025] Example 2
[0026] Please see Figures 1-4This utility model provides an embodiment of a coal crushing and screening device. Compared to embodiment one, this embodiment further includes: a support plate 2, a limiting strip 6, a crushing box 7, a feed hopper 8, a motor 10, and a fixed basket 14. A fixed plate 5 is fixed at the middle of one end of the crushing box 7. The motor 10 is fixed at the middle of the upper surface of the fixed plate 5. A movable shaft 11 is fixed at the output end of one end of the motor 10, and the end of the movable shaft 11 facing away from the motor 10 extends into the interior of the crushing box 7. Crushing teeth 9 are fixed at equal intervals at the end of the movable shaft 11 located inside the crushing box 7, and the crushing teeth 9 have a total of There are five limiting strips 6 fixed inside the crushing box 7, and there are a total of six limiting strips 6. The limiting strips 6 are located on the lower side of the movable shaft 11. The lower end of the crushing box 7 is connected to the discharge pipe 4. There are two fixed baskets 14. One side of the two fixed baskets 14 is connected to each other. The inside of the fixed basket 14 is fixed with a filter screen 13. Both ends of the upper surface of the fixed basket 14 are fixed with a limiting plate 3. Both fixed baskets 14 are located directly below the discharge pipe 4. The support plate 2 is triangular and there are two support plates 2. Both support plates 2 are fixed at both ends of the lower surface of the two fixed baskets 14.
[0027] The two fixed baskets 14 are in a V-shape, and the lower end face of the support plate 2 is fixed with the first support leg 1 at both ends.
[0028] The crushed coal can be discharged through the discharge pipe 4 and fall onto the filter screen 13 and the fixed basket 14. Under the action of the filter screen 13, the crushed coal can be filtered. Larger coal can roll through the filter screen 13 and fall to both sides of the crushing box 7, while smaller coal particles can be screened by the filter screen 13 and fall to the lower side of the filter screen 13. Under the action of the limiting plate 3, the coal can be protected during the screening process.
[0029] 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.
Claims
1. A coal crushing and screening device, comprising a support plate (2), a limiting bar (6), a crushing box (7), a feed hopper (8), a motor (10), and a fixed basket (14), characterized in that: A fixing plate (5) is fixed at the middle of one end of the crushing box (7). The motor (10) is fixed at the middle of the upper surface of the fixing plate (5). A movable shaft (11) is fixed at the output end of one end of the motor (10), and the end of the movable shaft (11) away from the motor (10) extends into the interior of the crushing box (7). Crushing teeth (9) are fixed at equal intervals at the end of the movable shaft (11) inside the crushing box (7), and there are a total of five crushing teeth (9). The limiting strip (6) is fixed inside the crushing box (7), and there are a total of six limiting strips (6). The limiting strip (6) is positioned... On the lower side of the movable shaft (11), the lower end of the crushing box (7) is connected to the discharge pipe (4). There are two fixed baskets (14), and one side of the two fixed baskets (14) is connected to each other. A filter screen (13) is fixed inside the fixed basket (14). A limit plate (3) is fixed at both ends of the upper surface of the fixed basket (14). The two fixed baskets (14) are located directly below the discharge pipe (4). The support plate (2) is triangular, and there are two support plates (2). The two support plates (2) are fixed at both ends of the lower surface of the two fixed baskets (14).
2. The screening device for crushing coal blocks according to claim 1, characterized in that: The two fixed baskets (14) are in a V-shape, and the lower end face of the support plate (2) is fixed with a first support leg (1) at both ends.
3. The screening device for crushing coal blocks according to claim 1, characterized in that: Two second support legs (12) are fixed on the lower sides of both ends of the crushing box (7), and the second support legs (12) are located outside the fixed basket (14).
4. The screening device for crushing coal blocks according to claim 1, characterized in that: The feed hopper (8) is fixed at the upper end of the crushing box (7), and the length and width of the lower end of the feed hopper (8) are equal to the length and width of the crushing box (7).
5. A screening device for crushing coal blocks according to claim 1, characterized in that: The outer racks of the crushing teeth (9) are all arc-shaped, and the five crushing teeth (9) and the six limiting strips (6) are distributed in an alternating pattern.