CN221310893U - Ball mill with dust collection function - Google Patents

Abstract

The utility model relates to a ball mill with a dust collection function, which comprises a frame, a cylinder and a driving assembly, wherein the frame and the cylinder rotate together around the central axis of the cylinder through the driving assembly, a plurality of steel balls are arranged in the cylinder, two radial sides of the cylinder are rotationally connected with the frame through damping rotating shafts, and a fixing piece for fixing the cylinder is arranged on the frame; the two ends of the cylinder body in the axial direction are respectively provided with a feed inlet and a discharge outlet, the feed inlet of the cylinder body is detachably connected with an end cover, the discharge outlet of the cylinder body is provided with a material collecting cylinder, one end of the material collecting cylinder, which is far away from the cylinder body, is communicated with a discharge pipe, and the discharge pipe is provided with an electric valve for controlling the discharge pipe to be opened and closed; the cylinder body rotates to be in a vertical state from a horizontal state on the frame, a material collecting box is arranged below the cylinder body, a dust guide plate is detachably connected to the material collecting box, and a dust collecting assembly is arranged above the dust guide plate. The utility model can collect the generated smoke dust in the unloading process timely and effectively, and reduce the damage of the smoke dust to the health of staff.

Description

Ball mill with dust collection function

Technical Field

The utility model relates to the field of ball mills, in particular to a ball mill with a dust collection function.

Background

The ball mill is a key device for crushing materials after the materials are crushed. This type of mill is one in which a number of steel balls are inserted into its cylinder as grinding media. It is widely used in cement, silicate products, novel building materials, refractory materials, chemical fertilizers, mineral processing of black and nonferrous metals, glass ceramics and other production industries, and carries out dry or wet grinding on various ores and other grindability materials.

When dry grinding is carried out, the grinding material can generate smoke dust in the grinding process, and the smoke dust can be diffused into the air through the discharge hole in the discharging process, so that the health of staff is threatened, and therefore, the ball mill with the dust collecting function is required, and the possibility that the health is damaged due to the fact that the staff sucks the smoke dust in the discharging process is reduced.

Disclosure of utility model

In order to solve the technical problems, the application provides a ball mill with a dust collection function.

The ball mill with the dust collection function provided by the application adopts the following technical scheme:

The ball mill with the dust collection function comprises a frame, a cylinder body and a driving assembly, wherein the frame drives the cylinder body to rotate around the central axis of the cylinder body through the driving assembly, a plurality of steel balls are movably arranged in the cylinder body, two radial sides of the cylinder body are rotatably connected with the frame through damping rotating shafts, and a fixing piece for fixing the cylinder body is arranged on the frame; the two ends of the cylinder body in the axial direction are respectively provided with a feed inlet and a discharge outlet, the feed inlet of the cylinder body is detachably connected with an end cover through a bolt, the discharge outlet of the cylinder body is provided with a material collecting cylinder, one end of the material collecting cylinder, which is far away from the cylinder body, is communicated with a discharge pipe, and the discharge pipe is provided with an electric valve for controlling the discharge pipe to be opened and closed; the barrel rotates to be vertical state from the horizontal state in the frame, the below of barrel is provided with the collection box, can dismantle on the collection box and be connected with the dust guide plate, the top of dust guide plate is provided with dust collection subassembly.

Preferably, the dust guide plate is arranged on two sides of the width direction of the collecting box, the dust guide plate comprises an installation section and a guide section, the installation section is vertically arranged, one side of the guide section is connected with the guide section, one side of the guide section away from the installation section is inclined towards the direction away from each other, the top surface of two side walls of the width direction of the collecting box is provided with an installation groove for the installation section to clamp, and the installation section of the dust guide plate is clamped in the installation groove.

Preferably, the dust collection assembly comprises a dust collection pipe, a converging pipe and a suction fan, wherein the bottom end of the dust collection pipe is close to the dust guide plate, one dust collection pipe corresponds to the dust guide plate, one side of the dust collection pipe, which is far away from each other, is close to one side of the dust guide plate, which is far away from each other, the dust collection pipe is arranged in a tapered manner from bottom to top, the converging pipe is positioned between the two dust collection pipes, two ends of the converging pipe are respectively communicated with the dust collection pipes on two sides of the width direction of the aggregate box, one end of the converging pipe, which is far away from the dust collection pipe, is communicated with the air inlet end of the suction fan through a connecting pipe, and the air outlet end of the suction fan is externally connected with a gas purifier.

Preferably, the dust collecting assembly further comprises a moving frame, the moving frame comprises a supporting plate and connecting rods, the supporting plates are connected to one surface of the dust collecting pipe, which is far away from each other, the connecting rods are located on two sides of the width direction of the supporting plates, two ends of each connecting rod are respectively connected with one supporting plate, universal wheels are arranged at the bottom end of the moving frame, and the universal wheels are arranged on two sides of each supporting plate in the width direction; the connecting pipe is a corrugated pipe.

Preferably, the discharge hole of the cylinder is provided with a baffle, the peripheral side wall of the baffle is connected with the inner wall of the cylinder, a material through hole is formed in the baffle, the aperture of the material through hole is smaller than the diameter of the steel ball, and the aperture of the material through hole is larger than the particle size of the ground material.

Preferably, a filter frame is arranged at the top of the material collecting box, a filter hole is formed in the filter frame, and the aperture of the filter hole is matched with the particle size of the ground material reaching the standard.

Preferably, the mounting is the dead lever, the dead lever includes screw thread portion, spacing portion and operating portion, the dead lever passes the frame and passes through screw thread portion and frame threaded connection, spacing portion and operating portion set up in screw thread portion axial both ends, spacing portion and operating portion all smooth the setting, the radial bilateral symmetry of barrel circumference wall is provided with the stop collar, spacing portion penetrates or breaks away from the stop collar.

Preferably, two ends of the machine frame in the length direction are connected with rotating shafts, the central axes of the rotating shafts are collinear with the central axes of the cylinder in the horizontal state, supporting frames are arranged below the rotating shafts, and the rotating shafts are rotationally connected with the supporting frames through bearing seats; the driving assembly comprises a speed reducer and a motor, an output shaft of the speed reducer is coaxially connected with a rotating shaft at one end of the length direction of the frame, and an output shaft of the motor is coaxially connected with an input shaft of the speed reducer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. During discharging, a worker rotates the cylinder body from a horizontal state to a vertical state and makes the discharging pipe downward, then inserts the dust guide plate into the mounting groove of the collecting box, moves the dust collecting assembly until the dust guide plate is aligned with the dust guide plate, then opens the suction fan and the electric valve, the ground material in the cylinder body enters the collecting box from the discharging pipe, smoke dust generated during discharging enters the dust guide plate into the dust guide pipe along the dust guide plate, and finally is sent into the gas purifier for treatment through the suction fan, so that the cleanliness of the working environment is improved, and the damage of the smoke dust to the health of the worker during discharging is reduced;

2. The dust collecting component is movably arranged, so that the dust collecting component does not obstruct a worker from being positioned at the rack to operate the cylinder;

3. The setting of filter frame filters the material that is up to standard to the particle diameter in the unloading process and is filtered in the filter frame by the abrasive material, and after unloading, remove the subassembly that gathers materials, can take out the filter frame from the collection case, carries out the reprocessing to the material that is up to standard in the filter frame.

Drawings

Fig. 1 is a schematic view showing the overall structure of a ball mill having a dust collecting function according to an embodiment of the present application.

Fig. 2 is a schematic view of a structure for showing a barrel in an upright state in an embodiment of the present application.

Fig. 3 is a schematic cross-sectional view showing a barrel after hiding a steel ball in an embodiment of the present application.

Reference numerals illustrate: 1. a frame; 11. damping the rotating shaft; 12. a fixing member; 121. a threaded portion; 122. a limit part; 123. an operation unit; 13. a rotating shaft; 14. a support frame; 15. a bearing seat; 2. a cylinder; 21. a limit sleeve; 22. an end cap; 221. a connecting edge; 23. a baffle; 231. a material passing hole; 3. a drive assembly; 31. a speed reducer; 32. a motor; 33. a fixing frame; 4. a material collecting barrel; 5. a discharge pipe; 51. an electric valve; 6. a material collecting box; 61. a mounting groove; 7. a dust guide plate; 71. a mounting section; 72. a guide section; 8. a dust collection assembly; 81. a dust collecting pipe; 82. a converging tube; 83. a suction fan; 84. a connecting pipe; 85. a moving rack; 851. a support plate; 852. a connecting rod; 853. a universal wheel; 86. a mounting frame; 9. a filter frame; 91. and (5) mounting the edge.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a ball mill with a dust collection function.

Referring to fig. 1-3, the ball mill with dust collection function comprises a frame 1, a cylinder 2 and a driving assembly 3, wherein the frame 1 is horizontally arranged, the frame 1 drives the cylinder 2 to rotate around the central axis of the cylinder 2 together through the driving assembly 3, a plurality of steel balls are movably arranged in the cylinder 2, two radial sides of the cylinder 2 are rotatably connected with the frame 1 through damping rotating shafts 11, and a fixing piece 12 for fixing the cylinder 2 is arranged on the frame 1.

The mounting 12 is the dead lever, and the dead lever includes screw thread portion 121, spacing portion 122 and operating portion 123, and the dead lever passes frame 1 and passes screw thread portion 121 and frame 1 threaded connection, spacing portion 122 and operating portion 123 integrated into one piece in screw thread portion 121 axial both ends, spacing portion 122 and operating portion 123 all smooth the setting, and barrel 2 week lateral wall radial bilateral symmetry is provided with stop collar 21, and the spacing portion 122 of dead lever penetrates or breaks away from stop collar 21, and the outer peripheral wall of spacing portion 122 is laminated with the inner wall of stop collar 21. The barrel 2 can be horizontally fixed by rotating the smooth section of the fixing rod to the fixing rod in the limiting sleeve 21, and the barrel 2 can be rotated to a vertical state by reversely rotating the smooth section of the fixing rod to be separated from the limiting sleeve 21.

The frame 1 is the rectangle framework, and frame 1 length direction's both ends all are connected with axis of rotation 13, and axis of rotation 13 and axis of rotation when barrel 2 horizontality are collinear, and the below of axis of rotation 13 all is provided with support frame 14, and axis of rotation 13 passes through bearing frame 15 and support frame 14 rotation connection. The driving assembly 3 comprises a speed reducer 31 and a motor 32, an output shaft of the speed reducer 31 is coaxially connected with a rotating shaft 13 at one end of the machine frame 1 in the length direction, an output shaft of the motor 32 is coaxially connected with an input shaft of the speed reducer 31, and fixing frames 33 are arranged below the speed reducer 31 and the motor 32.

The axial both ends of barrel 2 all open arrangement and be feed inlet and discharge gate respectively, and the feed inlet of barrel 2 is connected with end cover 22 through the bolt can be dismantled, is provided with round connection border 221 on the week lateral wall of barrel 2 feed inlet, and the external diameter of end cover 22 is unanimous with the external diameter of connection border 221, and end cover 22 passes through bolted connection with connection border 221. Opening the end cap 22 allows for replacement of the feed and steel balls. The discharge gate of barrel 2 is provided with aggregate cylinder 4, and aggregate cylinder 4 is the shrink along being close to barrel 2 to keeping away from the direction of barrel 2 and sets up, has reduced the diffusion scope of smoke and dust. One end of the material collecting barrel 4 far away from the barrel 2 is communicated with a discharging pipe 5, an electric valve 51 for controlling the discharging pipe 5 to be opened and closed is arranged on the discharging pipe 5, and a worker can directly control the opening and closing of the discharging pipe 5 through a control system for operating the electric valve 51, so that the worker can be far away from the frame 1 to realize operation before entering a discharging process. The cylinder body 2 can rotate from a horizontal state to a vertical state on the frame 1, the cylinder body 2 is in the horizontal state when the grinding material is fed, and the cylinder body 2 rotates to the vertical state by a worker when the discharging state is carried out.

The below of barrel 2 is provided with gathers materials case 6, and the last dust guide plate 7 that is connected with of gather materials case 6 can be dismantled, and the top of dust guide plate 7 is provided with dust collection subassembly 8. The dust guide plate 7 is arranged on two sides of the width direction of the material collecting box 6, the dust guide plate 7 comprises a mounting section 71 and a guide section 72, the mounting section 71 is vertically arranged, one side of the guide section 72 is connected with the guide section 72, one side of the guide section 72, which is far away from the mounting section 71, is inclined towards the direction which is far away from each other, the top surfaces of two side walls of the width direction of the material collecting box 6 are provided with mounting grooves 61 for the mounting section 71 to clamp, and the mounting section 71 of the dust guide plate 7 is clamped in the mounting grooves 61.

The dust collection assembly 8 comprises dust collection pipes 81, converging pipes 82 and a suction fan 83, the bottom ends of the dust collection pipes 81 are close to the dust guide plates 7, one dust collection pipe 81 corresponds to one dust guide plate 7, and the side, away from each other, of each dust collection pipe 81 is close to the side, away from each other, of each dust guide plate 7. The dust collecting pipes 81 are gradually reduced from bottom to top, the converging pipes 82 are positioned between the two dust collecting pipes 81, the two ends of the converging pipes 82 are bent downwards, the two ends of the converging pipes 82 are respectively fixedly connected and communicated with the dust collecting pipes 81 on the two sides of the width direction of the aggregate box 6, one ends of the converging pipes 82, which are far away from the dust collecting pipes 81, are communicated with the air inlet ends of the suction fans 83 through connecting pipes 84, and the air outlet ends of the suction fans 83 are externally connected with the gas purifier. A mounting bracket 86 is provided below the suction fan 83.

The dust collection assembly 8 further comprises a moving frame 85, the moving frame 85 comprises a support plate 851 and a connecting rod 852, the support plate 851 is fixedly connected to one side of the dust collection tube 81, which is far away from each other, the connecting rod 852 is located on two sides of the width direction of the support plate 851, two ends of each connecting rod 852 are fixedly connected with one support plate 851, universal wheels 853 are arranged at the bottom end of the moving frame 85, and the universal wheels 853 are arranged on two sides of the width direction of each support plate 851. To accommodate the movement of the moving frame 85, the connection tube 84 is a bellows.

The dust collection assembly 8 is movably disposed such that the dust collection assembly 8 does not obstruct the operator from being located at the frame 1 to operate the cylinder 2. After the movable frame 85 is moved to the dust collecting pipe 81 to be aligned with the dust guide plate 7, the suction fan 83 is turned on, smoke dust generated in the unloading process enters the dust collecting pipe 81 along the dust guide plate 7, and finally is sent to the gas purifier for treatment through the suction fan 83, so that the cleanliness of the working environment is improved, and the damage of the smoke dust to the health of workers in the unloading process is reduced.

In order to avoid that the steel ball is discharged along with the abrasive in the discharging process, a baffle plate 23 is arranged at a discharge hole of the cylinder body 2, the peripheral side wall of the baffle plate 23 is fixedly connected with the inner wall of the cylinder body 2, a material through hole 231 is formed in the baffle plate 23, the aperture of the material through hole 231 is smaller than the diameter of the steel ball, and the aperture of the material through hole 231 is larger than the particle size of the abrasive.

The top of the material collecting box 6 is provided with a filter frame 9, the filter frame 9 is provided with a filter hole, and the aperture of the filter hole is matched with the particle size of the ground material reaching the standard. The periphery of the filter frame 9 is provided with a mounting edge 91, and the mounting edge is erected on the top surface of the circumferential side wall of the material collecting box 6. The setting of filter frame 9 filters the abrasive material that the particle diameter is not up to standard in the unloading process in filter frame 9, and after unloading, remove the subassembly that gathers materials, can take out filter frame 9 from aggregate box 6, handle again the material that is not up to standard in the filter frame 9.

The implementation principle of the ball mill with the dust collection function provided by the embodiment of the application is as follows:

During discharging, a worker rotates the cylinder 2 from a horizontal state to a vertical state and makes the discharging pipe 5 downward, then inserts the dust guide plate 7 into the mounting groove 61 of the collecting box 6, moves the dust collection assembly 8 to the dust guide plate 7 with the dust collection pipe 81 aligned with the dust guide plate 7, then opens the suction fan 83 and the electric valve 51, the abrasive in the cylinder 2 enters the collecting box 6 from the discharging pipe 5, smoke dust generated during discharging enters the dust guide pipe 81 along the dust guide plate 7, and finally is sent into the gas purifier for treatment through the suction fan 83.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A ball mill with dust collection function is characterized in that: the device comprises a frame (1), a cylinder body (2) and a driving assembly (3), wherein the frame (1) drives the cylinder body (2) to rotate around the central axis of the cylinder body (2) together through the driving assembly (3), a plurality of steel balls are movably arranged in the cylinder body (2), two radial sides of the cylinder body (2) are rotationally connected with the frame (1) through damping rotating shafts (11), and a fixing piece (12) for fixing the cylinder body (2) is arranged on the frame (1); the automatic feeding device is characterized in that two axial ends of the cylinder body (2) are respectively provided with an opening, and are respectively provided with a feeding hole and a discharging hole, the feeding hole of the cylinder body (2) is detachably connected with an end cover (22) through a bolt, the discharging hole of the cylinder body (2) is provided with a collecting cylinder (4), one end, far away from the cylinder body (2), of the collecting cylinder (4) is communicated with a discharging pipe (5), and an electric valve (51) for controlling the opening and closing of the discharging pipe (5) is arranged on the discharging pipe (5); the dust collecting device is characterized in that the cylinder body (2) rotates to be in a vertical state from a horizontal state on the frame (1), a material collecting box (6) is arranged below the cylinder body (2), a dust guide plate (7) is detachably connected to the material collecting box (6), and a dust collecting assembly (8) is arranged above the dust guide plate (7).

2. The ball mill with a dust collecting function according to claim 1, wherein: the dust guide plates (7) are arranged on two sides of the width direction of the material collecting box (6), the dust guide plates (7) comprise mounting sections (71) and guide sections (72), the mounting sections (71) are vertically arranged, one sides of the guide sections (72) are connected with the guide sections (72), one sides of the guide sections (72) away from the mounting sections (71) incline towards the direction away from each other, mounting grooves (61) for the mounting sections (71) to clamp are formed in the top surfaces of two side walls of the width direction of the material collecting box (6), and the mounting sections (71) of the dust guide plates (7) are clamped in the mounting grooves (61).

3. The ball mill with a dust collecting function according to claim 1, wherein: the dust collection assembly (8) comprises dust collection pipes (81), converging pipes (82) and suction fans (83), the bottom ends of the dust collection pipes (81) are close to the dust guide plates (7), one dust collection pipe (81) corresponds to one dust guide plate (7), one side, away from each other, of each dust collection pipe (81) is close to one side, away from each other, of each dust guide plate (7), the dust collection pipes (81) are arranged in a tapered mode from bottom to top, converging pipes (82) are located between the two dust collection pipes (81), two ends of each converging pipe (82) are respectively communicated with the dust collection pipes (81) on two sides of the width direction of an aggregate box (6), one ends, away from the dust collection pipes (81), of each converging pipe (82) are communicated with the air inlet ends of the suction fans (83) through connecting pipes (84), and the air outlet ends of the suction fans (83) are externally connected with the air purifier.

4. A ball mill with dust collecting function according to claim 3, wherein: the dust collection assembly (8) further comprises a moving frame (85), the moving frame (85) comprises a support plate (851) and a connecting rod (852), the support plate (851) is connected to one surface of the dust collection tube (81) which is far away from each other, the connecting rod (852) is located at two sides of the width direction of the support plate (851), two ends of each connecting rod (852) are respectively connected with one support plate (851), universal wheels (853) are arranged at the bottom end of the moving frame (85), and the universal wheels (853) are arranged at two sides of the width direction of each support plate (851); the connecting pipe (84) is a corrugated pipe.

5. The ball mill with a dust collecting function according to claim 1, wherein: the utility model discloses a grinding machine, including barrel (2) and abrasive grain, the discharge gate of barrel (2) is provided with baffle (23), the circumference wall of baffle (23) is connected with the inner wall of barrel (2), set up on baffle (23) and lead to material hole (231), the aperture of leading to material hole (231) is less than the diameter of steel ball, the aperture of leading to material hole (231) is greater than the particle diameter by the abrasive grain.

6. The ball mill with a dust collecting function according to claim 1, wherein: the top of collection material case (6) is set up and is had filter frame (9), be provided with the filtration pore on filter frame (9), the aperture of filtration pore and the abrasive grain diameter looks adaptation up to standard.

7. The ball mill with a dust collecting function according to claim 1, wherein: the fixing piece (12) is a fixing rod, the fixing rod comprises a threaded portion (121), a limiting portion (122) and an operating portion (123), the fixing rod penetrates through the frame (1) and is in threaded connection with the frame (1) through the threaded portion (121), the limiting portion (122) and the operating portion (123) are arranged at two axial ends of the threaded portion (121), the limiting portion (122) and the operating portion (123) are both arranged smoothly, limiting sleeves (21) are symmetrically arranged on two radial sides of the circumferential side wall of the cylinder body (2), and the limiting portion (122) penetrates into or breaks away from the limiting sleeves (21).

8. The ball mill with dust collecting function according to claim 7, wherein: the two ends of the machine frame (1) in the length direction are connected with rotating shafts (13), the central axes of the rotating shafts (13) and the central axes of the cylinder (2) are collinear when in a horizontal state, supporting frames (14) are arranged below the rotating shafts (13), and the rotating shafts (13) are rotationally connected with the supporting frames (14) through bearing blocks (15); the driving assembly (3) comprises a speed reducer (31) and a motor (32), wherein an output shaft of the speed reducer (31) is coaxially connected with a rotating shaft (13) at one end of the length direction of the frame (1), and an output shaft of the motor (32) is coaxially connected with an input shaft of the speed reducer (31).