Novel coal gangue identifying and screening device

Abstract

The utility model discloses a novel coal gangue identifying and screening device in the technical field of coal gangue screening, the novel coal gangue identifying and screening device is reasonable in structure, screening plates are rotatably connected to the outer wall of one side of a moving seat A and the outer wall of one side of a moving seat B, and an eccentric wheel on a motor B is rotatably connected with the moving seat B through a connecting arm; according to the fact that the upper screening plate is larger than the lower screening plate meshes, the coal gangue is conveyed in the conveying box in order, the motor B drives and controls the two screening plates to move up and down, the vibration effect is formed, the coal gangue falling onto the screening plates can be subjected to vibration screening treatment, and the situation that screening treatment is difficult due to the fact that the meshes in the screening plates are blocked is avoided as much as possible; meanwhile, the coal gangue which is not completely screened can enter the material conveying box through the material returning hopper and is conveyed into the screening box again to be screened, it is guaranteed that the coal gangue is completely screened, and the situation that the coal gangue is not completely screened is avoided as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of coal gangue screening, in particular to a novel coal gangue identification and screening device. Background Art

[0002] Gangue screening technology is a technology for grading and screening gangue (waste generated during coal mining and washing), with the aim of improving the utilization rate of gangue and reducing environmental pollution. At present, in the screening process of gangue identification and screening device, corresponding screening nets are usually used for screening treatment. However, the screening nets used are easily affected by excessive gangue, which leads to blockage of the screening mesh. The screening net in a blocked state is difficult to screen the gangue, which also directly affects the efficiency of gangue screening. At the same time, some gangue is not completely screened and is directly discharged, which causes incomplete screening of gangue, reduces the use effect of the gangue identification and screening device, and directly affects the screening efficiency of the gangue identification and screening device.

[0003] Therefore, it is necessary to develop a new type of coal gangue identification and screening device. Utility Model Content

[0004] The purpose of the utility model is to provide a novel coal gangue identification and screening device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a novel gangue identification and screening device, comprising a screening box, an inclined plate installed above one inner wall of the screening box, a feed box installed on one outer wall of the screening box, and a motor B installed on one side of the top of the screening box;

[0006] A mounting bracket is installed below the inner wall on the other side of the screening box.

[0007] Preferably, a motor A is installed at the bottom of the feed box, the output shaft of the motor A is fixedly connected to the bottom end of the rotating shaft through a coupling, and an auger is provided on the outer wall of the rotating shaft.

[0008] Preferably, a feed hopper is installed below the outer wall of one side of the feed box, a discharge hopper is installed on the top of the feed box, and a return hopper is provided on the outer wall of the other side of the feed box.

[0009] Preferably, an eccentric wheel is mounted on the outer wall of the output shaft of the motor B, and a connecting arm is rotatably connected to the lower front end surface of the eccentric wheel.

[0010] Preferably, a guide column is installed on the top of the mounting frame, a U-shaped frame is slidably connected to the upper portion of the outer wall of the guide column, and a nut is threadedly connected to the upper portion of the outer wall of the guide column.

[0011] Preferably, the nut is located inside the U-shaped frame, a spring is provided below the outer wall of the guide column, and a movable seat A is installed on the top of the U-shaped frame.

[0012] Preferably, a moving seat B is installed above the moving seat A, and a connecting plate is slidably connected between the moving seat B and the opposite side of the moving seat A.

[0013] Preferably, a screening plate is rotatably connected to one side outer wall of the movable seat B and the movable seat A, and the screening plate is located inside the screening box.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By rotating the connecting screening plates on one side outer wall of the movable seat A and the movable seat B, and rotating the eccentric wheel on the motor B and the movable seat B by the connecting arm, the upper screening plate is larger than the mesh of the lower screening plate, so that the coal gangue is transported in an orderly manner in the feed box, and the motor B drives and controls the two groups of screening plates to move up and down to form a vibration effect, and the coal gangue falling on the screening plate can be vibrated and screened, and the situation that the mesh of the screening plate is blocked and difficult to screen can be avoided as much as possible. At the same time, the coal gangue that is not completely screened can enter the feed box through the return hopper and be transported to the screening box again for screening, so as to ensure that the coal gangue is completely screened and the situation that incomplete screening of the coal gangue is avoided as much as possible, which effectively improves the screening efficiency of the coal gangue identification and screening device, and also directly and effectively improves the screening efficiency of the coal gangue identification and screening device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A front cross-sectional view provided for the present utility model;

[0017] Figure 2 A front view provided for the utility model;

[0018] Figure 3 This is an enlarged schematic diagram of part of the structure provided by the utility model;

[0019] Figure 4 This is a partial structural decomposition diagram provided by the utility model.

[0020] In the figure: 1. Screening box; 101. Inclined plate; 2. Feed box; 201. Motor A; 202. Rotating shaft; 203. Auger; 204. Feed hopper; 205. Discharge hopper; 206. Return hopper; 3. Motor B; 301. Eccentric wheel; 302. Connecting arm; 4. Mounting frame; 401. Guide column; 402. U-shaped frame; 403. Nut; 404. Spring; 405. Moving seat A; 406. Moving seat B; 407. Connecting plate; 408. Screening plate. DETAILED DESCRIPTION

[0021] 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.

[0022] This utility model provides the following technical solutions: a new type of coal gangue identification and screening device, please refer to Figures 1-4 , including a screening box 1, an inclined plate 101 is installed above the inner wall of one side of the screening box 1, a feed box 2 is installed on the outer wall of one side of the screening box 1, a motor A201 is installed at the bottom of the feed box 2, the output shaft of the motor A201 is fixedly connected to the bottom end of the rotating shaft 202 through a coupling, an auger 203 is provided on the outer wall of the rotating shaft 202, a feed hopper 204 is installed below the outer wall of one side of the feed box 2, a discharge hopper 205 is installed on the top of the feed box 2, and a return hopper 206 is provided on the outer wall of the other side of the feed box 2. The motor A201 is installed at the bottom of the feed box 2 on the outer wall of one side of the screening box 1, and the motor A20 The output shaft 1 is installed with the rotating shaft 202 by the coupling. According to the auger 203 on the outer wall of the rotating shaft 202, the gangue that needs to be screened can be put in from the feed hopper 204, and then the motor A201 drives the auger 203 to rotate forward until it is transported to the discharge hopper 205 and discharged into the screening box 1, so as to achieve the effect of orderly feeding of the gangue and avoid the situation where the gangue feeding amount is relatively congested and easy to cause blockage. The motor B3 is installed on one side of the top of the screening box 1. The eccentric wheel 301 is installed on the outer wall of the output shaft of the motor B3. The front end surface of the eccentric wheel 301 is rotatably connected to the connecting arm 302 below.

[0023] A mounting bracket 4 is installed below the inner wall of the other side of the screening box 1, and a guide column 401 is installed on the top of the mounting bracket 4. A U-shaped bracket 402 is slidably connected to the upper outer wall of the guide column 401. A nut 403 is threadedly connected to the upper outer wall of the guide column 401. The nut 403 is located inside the U-shaped bracket 402. A spring 404 is provided below the outer wall of the guide column 401. The U-shaped bracket 402 on the bottom of the movable seat A405 is docked to the outer wall of the guide column 401 on the mounting bracket 4 in a sliding manner, and the spring 404 is set below the outer wall of the guide column 401. The spring 404 has a certain vibration effect, so that the spring 404 has a vibration treatment on the moving seat A405. The moving seat A405 is installed on the top of the U-shaped frame 402, and the moving seat B406 is installed above the moving seat A405. A connecting plate 407 is slidably connected between the moving seat B406 and the opposite side of the moving seat A405. A screening plate 408 is rotatably connected on the outer wall of one side of the moving seat B406 and the moving seat A405. The screening plate 408 is located inside the screening box 1, and the moving seat B406 and the moving seat A405 are connected by the connecting plate 407 to slide. The movable seat B406 and the movable seat A405 are inserted in a manner to generate a linkage effect between the two. By rotating the outer walls of one side of the movable seat A405 and the movable seat B406, the eccentric wheel 301 on the motor B3 is rotatably connected to the movable seat B406 by the connecting arm 302. According to the mesh size of the upper sieve plate 408 being larger than that of the lower sieve plate 408, the coal gangue in the feed box 2 is transported in an orderly manner. When the motor B3 drives and controls the two groups of sieve plates 408 to move up and down, a vibration effect is formed, which can The gangue on the surface is vibrated and screened to avoid the situation where the mesh on the screening plate 408 is blocked and difficult to screen. At the same time, the gangue that is not completely screened can enter the feed box 2 through the return hopper 206 and be transported to the screening box 1 for screening again to ensure that the gangue is completely screened and to avoid the situation where the gangue is not completely screened. Finally, the gangue that has been completely screened is transported in reverse by the motor A201 to drive the auger 203. The corresponding hole position is opened on one side of the feed hopper 204 to facilitate the discharge of the completely screened gangue that is transported in reverse.

[0024] Working principle: When using the utility model, the motor A201 is installed at the bottom of the feed box 2 on the outer wall of one side of the screening box 1, and the output shaft of the motor A201 is installed on the shaft 202 by the coupling. According to the auger 203 on the outer wall of the shaft 202, the coal gangue that needs to be screened can be put in from the feed hopper 204, and then the motor A201 drives the auger 203 to rotate forward until it is transported to the discharge hopper 205 and discharged into the screening box 1, so as to achieve the effect of orderly feeding of the coal gangue and avoid the situation where the coal gangue feeding amount is relatively congested and easy to cause blockage. The U-shaped frame 402 on the bottom of the moving seat A405 is docked on the outer wall of the guide column 401 on the mounting frame 4 in a sliding manner, and a spring 404 is installed under the outer wall of the guide column 401. The spring 404 has a certain vibration effect, so that the spring 404 vibrates the moving seat A405. The connecting plate 407 is inserted between the moving seat B406 and the moving seat A405 in a sliding manner, so that the moving seat B406 and the moving seat A405 have a linkage effect. The outer wall of one side of the seat B406 is rotatably connected to the screening plate 408, and the eccentric wheel 301 on the motor B3 is rotatably connected to the movable seat B406 by the connecting arm 302. According to the mesh of the upper screening plate 408 being larger than that of the lower screening plate 408, the coal gangue is transported in an orderly manner in the feeding box 2, and the motor B3 drives and controls the two groups of screening plates 408 to move up and down to form a vibration effect, which can adopt vibration screening treatment for the coal gangue falling on the screening plate 408, and try to avoid the situation where the mesh of the screening plate 408 is blocked and difficult to screen. The incompletely sorted coal gangue can enter the feed box 2 through the return hopper 206 and be transported to the screening box 1 again for screening processing to ensure that the coal gangue is completely screened and to avoid the occurrence of incomplete coal gangue screening as much as possible. Finally, the completely screened coal gangue is reversely transported by the motor A201 to drive the auger 203. Corresponding holes are opened on one side of the feed hopper 204 to facilitate the discharge of the completely screened coal gangue that is transported in reverse, which effectively improves the screening efficiency of the coal gangue identification and screening device, and also directly and effectively improves the screening efficiency of the coal gangue identification and screening device.

[0025] While the present invention has been described above with reference to exemplary embodiments, various modifications may be made and equivalent components may be substituted without departing from the scope of the present invention. In particular, as long as no structural conflicts exist, the various features of the disclosed embodiments may be combined with one another in any manner. The omission of an exhaustive description of these combinations in this specification is solely for the sake of space and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions within the scope of the claims.

Claims

1. A novel gangue identification and screening device, comprising a screening box (1), wherein an inclined plate (101) is installed above the inner wall of one side of the screening box (1), characterized in that: A feed box (2) is installed on one side outer wall of the screening box (1), and a motor B (3) is installed on one side of the top of the screening box (1); A mounting frame (4) is installed below the inner wall of the other side of the screening box (1), a guide column (401) is installed on the top of the mounting frame (4), a U-shaped frame (402) is slidably connected above the outer wall of the guide column (401), a nut (403) is threadedly connected above the outer wall of the guide column (401), the nut (403) is located inside the U-shaped frame (402), and a spring (404) is provided below the outer wall of the guide column (401). A movable seat A (405) is installed on the top of the U-shaped frame (402), and a movable seat B (406) is installed above the movable seat A (405). A connecting plate (407) is slidably connected between the movable seat B (406) and the opposite side of the movable seat A (405). A screening plate (408) is rotatably connected on the outer wall of one side of the movable seat B (406) and the movable seat A (405), and the screening plate (408) is located inside the screening box (1).

2. The novel gangue identification and screening device according to claim 1 is characterized in that: A motor A (201) is installed at the bottom of the feed box (2), and the output shaft of the motor A (201) is fixedly connected to the bottom end of the rotating shaft (202) through a coupling. An auger (203) is provided on the outer wall of the rotating shaft (202).

3. The novel gangue identification and screening device according to claim 1 is characterized in that: A feed hopper (204) is installed below the outer wall of one side of the feed box (2), a discharge hopper (205) is installed on the top of the feed box (2), and a return hopper (206) is provided on the outer wall of the other side of the feed box (2).

4. The novel gangue identification and screening device according to claim 1 is characterized in that: An eccentric wheel (301) is mounted on the outer wall of the output shaft of the motor B (3), and a connecting arm (302) is rotatably connected to the lower front end surface of the eccentric wheel (301).

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