Dust falling mechanism for ball mill

Abstract

The utility model discloses a dust falling mechanism for a ball mill, which comprises a fixed frame, a ball mill body, a feed hopper and a dust falling device, the ball mill body is transversely and rotatably arranged in the fixed frame; the feeding hopper is rotationally arranged at a port of the ball mill body through a fixing frame; the dust falling device comprises a dust collection cavity, a second motor, a dust collection fan, a cleaning brush, an air suction pump and a water tank; the dust collection cavity is rotationally formed in the end, away from the feeding hopper, of the ball mill body, a filter plate is arranged between the dust collection cavity and the ball mill body, a dust collection fan and a cleaning brush are rotationally arranged in the dust collection cavity through a second motor, and the cleaning brush abuts against the filter plate; an air inlet of the air suction pump communicates with the dust collection cavity, and an air outlet is formed in the water tank. The dust collection cavity and the cleaning brush are arranged, so that floating dust adhered to the filter plate is cleaned at any time through the cleaning brush in the floating dust adsorption process, the filter plate is prevented from being blocked, and the service life of the dust falling device is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine equipment, in particular to a dust reduction mechanism for a ball mill. Background Art

[0002] The ball mill is a key equipment for crushing materials after they are crushed. This type of grinding mill is a mill that is equipped with a certain number of steel balls as grinding media. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizers, black and non-ferrous metal beneficiation, glass and ceramics and other production industries to dry or wet grind various ores and other grindable materials. The ball mill is suitable for grinding various ores and other materials. It is widely used in mineral processing, building materials and chemical industries. It can be divided into two types of grinding methods: dry and wet. According to different discharge methods, it can be divided into two types: grid type and overflow type. The existing ball mill has also generated some new demands in the process of crushing. The dust in the inner cavity of the existing ball mill will float to the external environment along the discharge port during the crushing process, affecting the health of workers, and the existing ball mill does not have a dust removal mechanism.

[0003] In the prior art, the utility model patent with patent number CN202020806376.2 discloses a ball mill with good dust reduction effect for mining processing engineering, including a body assembly and a dust reduction assembly, and the dust reduction assembly is fixedly installed on the body assembly; the body assembly includes a bottom plate, a cylinder is arranged above the bottom plate, a support block is fixedly connected to the right side of the cylinder, a feed pipe connected to it is fixedly connected to the left side of the cylinder, and the feed pipe and the surface of the support block are fixedly installed with a bearing seat, the bottom of the bearing seat is fixedly connected to the top of the bottom plate, and the surface of the cylinder is fixedly connected with a driven gear. This ball mill with good dust reduction effect for mining processing engineering realizes a ball mill with good dust reduction effect for mining processing engineering through the mutual cooperation of the body assembly and the dust reduction assembly, which greatly improves the dust reduction effect of the ball mill, and can effectively remove the material dust overflowing from the feed pipe without delaying the use of the feed pipe, protecting the surrounding environment and ensuring the health of the staff. It is highly practical and suitable for promotion and use.

[0004] The above patent provides a ball mill with good dust reduction effect for mining processing projects. By transporting the material dust overflowing from the feed pipe into the water, the dust dispersion is effectively reduced. However, during the dust absorption process of the device, the dust may cause the dust hood to be blocked, reducing the dust reduction effect. Further improvement is needed. Utility Model Content

[0005] The utility model aims to provide a dust reduction mechanism for a ball mill, aiming to improve the problem that during the use of the existing dust reduction device for the ball mill, dust may cause the dust cover to be blocked, thereby reducing the dust reduction effect of the dust reduction device.

[0006] The utility model is implemented as follows: a dust reduction mechanism for a ball mill, comprising a fixed frame and a ball mill body, and also comprising a feed hopper and a dust reduction device; the ball mill body is laterally rotatably arranged in the fixed frame; the feed hopper is rotatably arranged at the port of the ball mill body through the fixed frame; the dust reduction device comprises a dust suction chamber, a second motor, a dust suction fan, a cleaning brush, a suction pump and a water tank; the dust suction chamber is rotatably arranged at one end of the ball mill body away from the feed hopper, a filter plate is arranged between the dust suction chamber and the ball mill body, a dust suction fan and a cleaning brush are rotatably arranged inside the dust suction chamber through the second motor, and the cleaning brush abuts against the filter plate; the air inlet of the suction pump is connected to the dust suction chamber, and the air outlet is arranged in the water tank.

[0007] Preferably, a material storage frame located below the ball mill body is provided inside the fixed frame, and a side cover is provided on the side of the fixed frame; a first L-shaped mounting frame and a second L-shaped mounting frame are respectively provided at both ends of the fixed frame, the feed hopper is provided on the first L-shaped mounting frame, and the second motor and the suction pump are provided on the second L-shaped mounting frame.

[0008] Preferably, the feed hopper includes an outer shell, a first bearing, a discharge port and a feed port; the outer shell is provided with a discharge port at one end and a feed port at the other end, a first bearing is embedded and installed between the discharge port and the outer shell, the outer shell is rotatably connected to the ball mill body through the first bearing, and the discharge port extends to the back of the ball mill body.

[0009] Preferably, a filter plate is provided at one end of the dust suction chamber, and a chamber cover is sealed at the other end, the output shaft of the second motor passes through the chamber cover and is rotatably provided on the filter plate, and a dust suction fan and a cleaning brush are respectively provided on the output shaft.

[0010] Preferably, the cleaning brush comprises a mounting bolt, and the cleaning brush is fixedly mounted on the output shaft of the second motor via the mounting bolt.

[0011] Preferably, the suction pump includes a suction duct and an outlet duct, the suction port of the suction pump is provided with a suction duct, the suction duct passes through the cavity cover and extends into the dust suction cavity; the outlet of the suction pump is extended into the water tank through the outlet duct.

[0012] Preferably, the dust suction chamber is provided with a second bearing embedded at one end of the filter plate, and the dust suction chamber is rotatably connected to the ball mill body through the second bearing.

[0013] Preferably, it also includes a first motor, the ball mill body includes a leakage hole and a rotating gear, and a plurality of leakage holes are arranged in a matrix in an extended circumferential direction on the cavity of the ball mill body; a rotating gear is fixedly arranged on the outer ring surface of the ball mill body, the first motor is fixedly arranged on a fixed frame, a driving gear is installed on the output shaft of the first motor, and the driving gear and the rotating gear are meshed with each other.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model provides a dust suction chamber and a cleaning brush so that the floating dust adhering to the filter plate can be cleaned by the cleaning brush at any time during the adsorption process, thereby preventing the filter plate from being blocked and prolonging the service life of the dust reduction device.

[0016] 2. The utility model seals the periphery of the ball mill body by setting a fixing frame and a material storage frame to prevent floating dust from overflowing from the surroundings during the grinding process, thereby further improving the dust reduction effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the fixing frame of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the ball mill body of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the feed hopper of the utility model;

[0021] Figure 5 It is a front cross-sectional structural schematic diagram of the dust collection box of the utility model;

[0022] Figure 6 It is a schematic diagram of the internal three-dimensional structure of the dust collection box of the utility model;

[0023] Figure 7 This utility model Figure 1 The structural diagram at A in the middle;

[0024] Figure 8 This utility model Figure 5 Schematic diagram of the structure at B in the figure.

[0025] In the figure: 1. fixing frame; 101. side cover; 102. material storage frame; 103. first L-shaped mounting frame; 104. second L-shaped mounting frame; 2. ball mill body; 201. material leakage hole; 202. rotating gear; 3. first motor; 301. driving gear; 4. feed hopper; 401. housing; 402. first bearing; 403. discharge port; 404. feed port; 5. dust suction chamber; 501. chamber cover; 502. filter plate; 503. second bearing; 6. second motor; 7. dust suction fan; 8. cleaning brush; 801. mounting bolt; 9. suction pump; 901. suction duct; 902. air outlet duct; 10. water tank. DETAILED DESCRIPTION

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a further description with reference to the accompanying drawings and specific embodiments:

[0028] Example 1

[0029] like Figure 1 _ Figure 4As shown, a dust reduction mechanism for a ball mill includes a fixed frame 1 and a ball mill body 2, and also includes a first motor 3. The ball mill body 2 includes a leakage hole 201 and a rotating gear 202. A plurality of leakage holes 201 are arranged in a matrix in a circumferential direction on the cavity of the ball mill body 2. The diameter of the leakage hole 201 is set according to the required size, so that the processed material generated in the ball mill body 2 meets the requirements. At the same time, by opening the leakage hole on the ball mill body 2, the ball mill body 2 can leak during the grinding process to prevent the ball mill body from 2 stores too much raw material, reducing the grinding effect; the outer ring surface of the ball mill body 2 is fixedly provided with a rotating gear 202, the first motor 3 is fixedly provided on the fixed frame 1, and the output shaft of the first motor 3 is provided with a driving gear 301, the driving gear 301 and the rotating gear 202 are meshed, and the ball mill body 2 is driven to rotate by the first motor 3; it also includes a feed hopper 4 and a dust reduction device; the ball mill body 2 is horizontally rotatably provided in the fixed frame 1; the feed hopper 4 is rotatably provided at the port of the ball mill body 2 through the fixed frame 1; the inner A material storage frame 102 is provided below the ball mill body 2, and a side cover 101 is provided on the side of the fixed frame 1 to seal the periphery of the ball mill body 2 through the fixed frame 1, so that the device will not scatter floating dust during operation. At the same time, the processed materials are stored through the material storage frame 102, which is convenient for collecting the materials after the processing is completed in sequence; a first L-shaped mounting frame 103 and a second L-shaped mounting frame 104 are respectively provided at both ends of the fixed frame 1, the feed hopper 4 is arranged on the first L-shaped mounting frame 103, and the second motor 6 and the suction pump 9 are arranged on the second L-shaped mounting frame 104. On the second L-shaped mounting frame 104; the feed hopper 4 includes a shell 401, a first bearing 402, a discharge port 403 and a feed port 404; the shell 401 is provided with a discharge port 403 at one end, and a feed port 404 at the other end, and a first bearing 402 is embedded and installed between the discharge port 403 and the shell 401, and the shell 401 is rotatably connected to the ball mill body 2 through the first bearing 402, and the discharge port 403 extends to the back of the ball mill body 2, and the feed hopper 4 and the ball mill body 2 can be rotatably connected by setting the first bearing 402.

[0030] like Figure 5-Figure 8As shown, the dust reduction device includes a dust suction chamber 5, a second motor 6, a dust suction fan 7, a cleaning brush 8, an air suction pump 9 and a water tank 10; the dust suction chamber 5 is rotatably arranged at one end of the ball mill body 2 away from the feed hopper 4, and a filter plate 502 is arranged between the dust suction chamber 5 and the ball mill body 2. By arranging the filter plate 502, floating dust can pass through the filter plate 502 while intercepting large particles of raw materials. The interior of the dust suction chamber 5 is rotated by the second motor 6 to be provided with a dust suction fan 7 and a cleaning brush 8, and the cleaning brush 8 abuts against the filter plate 502. The cleaning brush 8 can clean the filter plate 502 in real time to prevent too much floating dust from accumulating and clogging in the morning; the air inlet of the air suction pump 9 is connected to the dust suction chamber 5, and the air outlet is arranged in the water tank 10. A filter plate 502 is arranged at one end of the dust suction chamber 5, and the air suction fan 7 and the cleaning brush 8 are arranged at the water tank 10. The dust chamber 5 is provided with a filter plate 502 at one end thereof, and a second bearing 503 is embedded therein. The dust suction chamber 5 is rotatably connected to the ball mill body 2 via the second bearing 503; a chamber cover 501 is sealed at the other end thereof, and the suction pump 9 comprises a suction duct 901 and an outlet duct 902. The suction port of the suction pump 9 is provided with a suction duct 901, and the suction duct 901 passes through the chamber cover 501 and extends into the dust suction chamber 5; the outlet of the suction pump 9 is extended into the water tank 10 via the outlet duct 902; the output shaft of the second motor 6 passes through the chamber cover 501 and is rotatably provided on the filter plate 502, and a dust suction fan 7 and a cleaning brush 8 are respectively provided on the output shaft; the cleaning brush 8 comprises a mounting bolt 801, and the cleaning brush 8 is fixedly mounted on the output shaft of the second motor 6 via the mounting bolt 801.

[0031] Example 2

[0032] like Figure 1-Figure 4As shown, a dust reduction mechanism for a ball mill comprises a fixed frame 1 and a ball mill body 2, and also comprises a first motor 3. The ball mill body 2 comprises a leakage hole 201 and a rotating gear 202. A plurality of leakage holes 201 are arranged in a matrix in an extended circumferential direction on the cavity of the ball mill body 2; the rotating gear 202 is fixedly arranged on the outer ring surface of the ball mill body 2, the first motor 3 is fixedly arranged on the fixed frame 1, and a driving gear 301 is installed on the output shaft of the first motor 3, and the driving gear 301 and the rotating gear 202 are meshed; it also comprises a feed hopper 4 and a dust reduction device; the ball mill body 2 is arranged in a lateral rotation in the fixed frame 1; the feed hopper 4 is arranged at the port of the ball mill body 2 through the fixed frame 1; the fixed frame 1 is provided with a A material storage frame 102 is provided below the body 2, and a side cover 101 is provided on the side of the fixing frame 1; a first L-shaped mounting frame 103 and a second L-shaped mounting frame 104 are provided at both ends of the fixing frame 1, a feed hopper 4 is provided on the first L-shaped mounting frame 103, and a second motor 6 and a suction pump 9 are provided on the second L-shaped mounting frame 104; the feed hopper 4 comprises an outer shell 401, a first bearing 402, a discharge port 403 and a feed port 404; a discharge port 403 is provided at one end of the outer shell 401, and a feed port 404 is provided at the other end, a first bearing 402 is inlaid and installed between the discharge port 403 and the outer shell 401, the outer shell 401 is rotatably connected to the ball mill body 2 through the first bearing 402, and the discharge port 403 extends to the back of the ball mill body 2.

[0033] like Figure 5-Figure 8 As shown, the dust reduction device includes a dust suction chamber 5, a second motor 6, a dust suction fan 7, a cleaning brush 8, an air suction pump 9 and a water tank 10; the dust suction chamber 5 is rotatably arranged at one end of the ball mill body 2 away from the feed hopper 4, a filter plate 502 is arranged between the dust suction chamber 5 and the ball mill body 2, and a dust suction fan 7 and a cleaning brush 8 are rotatably arranged inside the dust suction chamber 5 through the second motor 6, and the cleaning brush 8 abuts against the filter plate 502; the air inlet of the air suction pump 9 is connected to the dust suction chamber 5, and the air outlet is arranged in the water tank 10, a filter plate 502 is arranged at one end of the dust suction chamber 5, and a second bearing 503 is inlaid at one end of the dust suction chamber 5 provided with the filter plate 502, and the dust suction chamber 5 is provided with a second bearing 503 through the second The bearing 503 is rotatably connected to the ball mill body 2; the other end is sealed with a cavity cover 501, the suction pump 9 includes a suction duct 901 and an outlet duct 902, the suction port of the suction pump 9 is provided with a suction duct 901, the suction duct 901 passes through the cavity cover 501 and extends into the dust suction cavity 5; the outlet of the suction pump 9 is extended through the outlet duct 902 and is arranged in the water tank 10; the output shaft of the second motor 6 passes through the cavity cover 501 and is rotatably arranged on the filter plate 502, and a dust suction fan 7 and a cleaning brush 8 are respectively arranged on the output shaft; the cleaning brush 8 includes a mounting bolt 801, and the cleaning brush 8 is fixedly mounted on the output shaft of the second motor 6 by the mounting bolt 801.

[0034] The working principle of the utility model is as follows: the first motor 3 is started, the first motor 3 rotates, and the ball mill body 2 is driven to rotate through the driving gear 301 and the rotating gear 202. At the same time, raw materials can be added to the ball mill body 2 through the feed hopper 4, and then discharged through the leakage hole 201, and contained in the storage frame 102; at the same time, during the grinding process, the second motor 6 and the suction pump 9 are started, and the dust suction fan 7 and the cleaning brush 8 are driven by the second motor 6 to rotate, and the dust on the filter plate 502 is cleaned to prevent the dust from clogging the filter plate 502. At the same time, the dust suction fan 7 is used to make the floating dust in the ball mill body 2 enter the dust suction chamber 5, and then the suction pump 9 is used to suck the floating dust in the dust suction chamber 5 into the water tank 10, so that the floating dust enters the water to prevent it from floating again.

[0035] In summary, the utility model provides a dust suction chamber 5 and a cleaning brush 8 so that the floating dust adhering to the filter plate 502 can be cleaned at any time during the adsorption process by the cleaning brush 8 to prevent the filter plate 502 from being blocked and to increase the service life of the dust reduction device; by providing a fixed frame 1 and a material storage frame 102, the periphery of the ball mill body 2 is sealed to prevent the floating dust from overflowing from all around during the grinding process, thereby further improving the dust reduction effect of the device.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be modified and varied in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust reduction mechanism for a ball mill, comprising a fixed frame (1) and a ball mill body (2), characterized in that: The invention also comprises a feed hopper (4) and a dust suppression device; the ball mill body (2) is rotatably arranged in the fixed frame (1); the feed hopper (4) is rotatably arranged at the port of the ball mill body (2) through the fixed frame (1); the dust suppression device comprises a dust suction chamber (5), a second motor (6), a dust suction fan (7), a cleaning brush (8), a suction pump (9) and a water tank (10); the dust suction chamber (5) is rotatably arranged at one end of the ball mill body (2) away from the feed hopper (4); a filter plate (502) is arranged between the dust suction chamber (5) and the ball mill body (2); a dust suction fan (7) and a cleaning brush (8) are rotatably arranged inside the dust suction chamber (5) through the second motor (6), and the cleaning brush (8) abuts against the filter plate (502); the air inlet of the suction pump (9) is connected to the dust suction chamber (5), and the air outlet is arranged in the water tank (10).

2. A dust reduction mechanism for a ball mill according to claim 1, characterized in that: A material storage frame (102) located below the ball mill body (2) is arranged inside the fixed frame (1), and a side cover (101) is arranged on the side of the fixed frame (1); a first L-shaped mounting frame (103) and a second L-shaped mounting frame (104) are respectively arranged at both ends of the fixed frame (1), the feed hopper (4) is arranged on the first L-shaped mounting frame (103), and the second motor (6) and the suction pump (9) are arranged on the second L-shaped mounting frame (104).

3. A dust reduction mechanism for a ball mill according to claim 2, characterized in that: The feed hopper (4) comprises a shell (401), a first bearing (402), a discharge port (403) and a feed port (404); the shell (401) is provided with a discharge port (403) at one end and a feed port (404) at the other end; a first bearing (402) is embedded and installed between the discharge port (403) and the shell (401); the shell (401) is rotatably connected to the ball mill body (2) via the first bearing (402), and the discharge port (403) extends to the back of the ball mill body (2).

4. A dust reduction mechanism for a ball mill according to claim 1, characterized in that: A filter plate (502) is provided at one end of the dust suction chamber (5), and a chamber cover (501) is sealed at the other end; an output shaft of the second motor (6) passes through the chamber cover (501) and is rotatably provided on the filter plate (502); a dust suction fan (7) and a cleaning brush (8) are respectively provided on the output shaft.

5. A dust reduction mechanism for a ball mill according to claim 4, characterized in that: The cleaning brush (8) comprises a mounting bolt (801), and the cleaning brush (8) is fixedly mounted on the output shaft of the second motor (6) via the mounting bolt (801).

6. A dust reduction mechanism for a ball mill according to claim 4, characterized in that: The suction pump (9) comprises a suction duct (901) and an outlet duct (902); the suction port of the suction pump (9) is provided with a suction duct (901); the suction duct (901) passes through the chamber cover (501) and extends into the dust suction chamber (5); the outlet of the suction pump (9) is extended through the outlet duct (902) and is arranged in the water tank (10).

7. The dust reduction mechanism for a ball mill according to claim 4, characterized in that: The dust suction chamber (5) is provided with a filter plate (502) at one end thereof, and a second bearing (503) is embedded therein. The dust suction chamber (5) is rotatably connected to the ball mill body (2) via the second bearing (503).

8. The dust reduction mechanism for a ball mill according to claim 1, characterized in that: The invention also comprises a first motor (3); the ball mill body (2) comprises a material leakage hole (201) and a rotating gear (202); a plurality of material leakage holes (201) are arranged in a matrix in a circumferential direction on the cavity of the ball mill body (2); a rotating gear (202) is fixedly arranged on the outer ring surface of the ball mill body (2); the first motor (3) is fixedly arranged on a fixed frame (1); a driving gear (301) is installed on the output shaft of the first motor (3); the driving gear (301) and the rotating gear (202) are meshed with each other.

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