Feeding device of ball mill

Abstract

The utility model discloses a feeding device of a ball mill, which relates to the technical field of ball mills and comprises an inclined conveying frame, a support is mounted at the lower end of the conveying frame, a feeding port is formed in one side, close to the support, of the upper end face of the conveying frame, and a discharging port is formed in one side, away from the support, of the lower end face of the conveying frame. The end, close to the discharging opening, of the conveying frame is fixedly sleeved with a collecting box, and a conveying hopper is installed at the lower end of the collecting box. The conveying speed of the second belt conveyor and the conveying speed of the first belt conveyor are controlled through the controller, so that the feeding speed and the feeding amount of materials are controlled, the crushing rods on the stacked sliding rods move in a staggered and reciprocating mode, large-particle-size materials are crushed, and the crushing efficiency is improved. And the large-granularity materials are slowly conveyed into the collecting box through the second belt conveyor, so that the load of the crushing mechanism is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, in particular to a ball mill feeding device. Background Art

[0002] A ball mill is a key piece of equipment for comminuting materials after crushing. This type of mill uses a cylinder filled with a predetermined number of steel balls as the grinding medium. It is widely used in industries such as cement, silicate products, new building materials, refractories, fertilizers, ferrous and nonferrous metal beneficiation, and glass and ceramics.

[0003] Announcement number: CN221492726U is a large ball mill feeding and crushing structure, which crushes materials with larger particle sizes by mutual squeezing of fixed clamping blocks and dynamic clamping blocks, thereby improving the efficiency of the ball mill body during grinding.

[0004] The above utility model still has some shortcomings. The mutual clamping of the fixed clamping block and the movable clamping block will squeeze the material into a flat block, resulting in poor crushing effect and increasing the particle size of the material to a certain extent. If the feed particle size is too large, it will bring additional burden to the ball mill and is inconvenient for users to use.

[0005] In view of the above problems, an improved ball mill feeding device is now designed. Utility Model Content

[0006] The purpose of the present utility model is to provide a ball mill feeding device to solve the problems raised in the above background technology.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A ball mill feeding device comprises an inclined conveying frame, a bracket for supporting the conveying frame is installed at the lower end of the conveying frame, a feed port is provided on the side of the upper end face of the conveying frame close to the bracket, a discharge port is provided on the side of the lower end face of the conveying frame away from the bracket, a collecting box is fixedly sleeved on one end of the conveying frame close to the discharge port, the discharge port is arranged inside the collecting box, a conveying bucket for conveying materials to the ball mill feed port is installed at the lower end of the collecting box, a conveying mechanism for lifting and conveying materials is arranged inside the conveying frame, a screening mechanism for dispersing and falling materials of different particle sizes is arranged on the feed port, and a crushing mechanism for crushing materials of large particle sizes is arranged inside the collecting box.

[0009] As a further solution of the present invention: the crushing mechanism includes a second screening plate, which is horizontally installed on the inner wall of the collection box below the discharge port, and two connecting rods are horizontally arranged on one of the side walls of the collection box, and the two connecting rods are on the same vertical plane. A fixed rod is installed at one end of the connecting rod close to the collection box, and sliding rods are horizontally installed at both ends of the fixed rod. The end of the sliding rod away from the connecting rod passes through the two opposite side walls of the collection box, and several crushing rods are installed between the two sliding rods inside the collection box. The sliding rods on the two connecting rods are stacked up and down, and the crushing rods on the stacked sliding rods are staggered. The sliding rod close to the second screening plate is close to the upper end of the second screening plate, and a driving assembly for driving the two connecting rods to move back and forth is provided on the side wall of the collection box close to the connecting rod.

[0010] As a further solution of the present invention, crushing teeth are installed on the side wall of the crushing rod to facilitate crushing large particles of material.

[0011] As a further solution of the utility model: the driving assembly includes a motor, which is installed on the side wall of the collection box near the connecting rod through a mounting block, and the output end of the motor is horizontally installed with a first rotating disk, and the end of the first rotating disk is vertically installed away from the motor for use with a connecting rod near the upper end of the collection box. The first column is arranged on one side near the circumferential side wall of the first rotating disk, and the second rotating disk is horizontally installed at one end of the first column away from the first rotating disk, and the second rotating disk is vertically installed at one end away from the first column for use with a connecting rod near the lower end of the collection box. The second column is arranged on one side near the circumferential side wall of the second rotating disk, and the center points of the second column, the first column and the second rotating disk are on the same vertical plane, and the vertical line where the second column and the first column are located is symmetrical, and the side walls of the first column and the second column are rotatably connected to the swing rod, and the swing rod is rotatably connected to the end of the connecting rod away from the collection box at one end near the collection box.

[0012] As a further solution of the present invention: the conveying mechanism includes a first belt conveyor for conveying materials from the feed port to the discharge port, the first belt conveyor is installed inside a conveying frame close to the discharge port, and a second belt conveyor parallel to the first belt conveyor is installed inside the conveying frame above the first belt conveyor, the second belt conveyor and the first belt conveyor are staggered with each other so that the material conveyed from the feed port falls directly to the input end of the first belt conveyor, and a comb row for conveying large particle size materials is installed on the belt of the second belt conveyor, and the end of the comb row away from the second belt conveyor is close to the first belt conveyor, the rotation directions of the first belt conveyor and the second belt conveyor are opposite, the conveying speed of the second belt conveyor is less than the conveying speed of the first belt conveyor, and the upper end surface of the conveying frame is installed with a controller for controlling the rotation speed of the first belt conveyor and the second belt conveyor.

[0013] As a further solution of the present invention: the screening mechanism includes a hopper, the output end of the hopper is installed on the feed port, a feed frame is installed on the side of the upper end of the hopper close to the collection box, a first screening plate is installed on the inner wall of the hopper close to the collection box at an angle downward, and a vibrator for vibrating the first screening plate is installed at the lower end of the first screening plate.

[0014] As a further solution of the present invention: reinforcing support ribs for improving the structural strength of the conveying frame are installed on the side walls of the conveying frame.

[0015] As a further solution of the present invention, a rubber pad for sealing is installed at the sliding opening between the sliding rod and the collecting box.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The utility model controls the conveying speeds of the second belt conveyor and the first belt conveyor through a controller, thereby controlling the feeding speed and feeding amount of the material, and avoiding the situation where the ball mill stops due to excessive feeding.

[0018] The utility model enables the crushing rods on the stacked sliding rods to move back and forth in an interlaced manner, thereby crushing the large-particle-size materials, avoiding the large-particle-size materials from bringing an extra burden to the ball mill, and improving the grinding efficiency of the ball mill.

[0019] The utility model blocks the large-particle-size materials by the combing row on the second belt conveyor, so that the second belt conveyor slowly conveys the large-particle-size materials to the inside of the collection box, reducing the load of the crushing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] Figure 2 It is a structural diagram of the conveying mechanism in the present utility model.

[0022] Figure 3 It is a structural diagram of the screening mechanism in the utility model.

[0023] Figure 4 It is a structural diagram of the crushing mechanism in the utility model.

[0024] Among them: 1. Conveying frame; 2. Collection box; 3. Conveying bucket; 4. Bracket; 5. Hopper; 6. Feeding frame; 7. Controller; 8. Feeding port; 9. First belt conveyor; 10. Discharging port; 11. Combing row; 12. Second belt conveyor; 13. First screening plate; 14. Vibrator; 15. Second screening plate; 16. Sliding rod; 17. Fixed rod; 18. Crushing rod; 19. Motor; 20. First rotating disk; 21. First column; 22. Second rotating disk; 23. Second column; 24. Swing rod; 25. Connecting rod. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 4 In an embodiment of the present utility model, a ball mill feeding device comprises an inclined conveying frame 1, a bracket 4 for supporting the conveying frame 1 is installed at the lower end of the conveying frame 1, a feed port 8 is opened on the side of the upper end face of the conveying frame 1 close to the bracket 4, a discharge port 10 is opened on the side of the lower end face of the conveying frame 1 away from the bracket 4, a collection box 2 is fixedly sleeved on one end of the conveying frame 1 close to the discharge port 10, the discharge port 10 is arranged inside the collection box 2, a conveying bucket 3 for conveying materials to the feed port of the ball mill is installed at the lower end of the collection box 2, a conveying mechanism for lifting and conveying materials is arranged inside the conveying frame 1, a screening mechanism for dispersing and falling materials of different particle sizes is arranged on the feed port 8, and a crushing mechanism for crushing materials of large particle size is arranged inside the collection box 2.

[0027] The crushing mechanism includes a second screening plate 15, which is horizontally mounted on the inner wall of the collection box 2 below the discharge port 10. Two connecting rods 25 are horizontally arranged on one of the side walls of the collection box 2. The two connecting rods 25 are on the same vertical plane. A fixed rod 17 is installed at one end of the connecting rod 25 close to the collection box 2. Slide rods 16 are horizontally mounted at both ends of the fixed rod 17. The end of the slide rod 16 away from the connecting rod 25 passes through the two opposite side walls of the collection box 2. Several crushing rods 18 are installed between the two slide rods 16 inside the collection box 2. The slide rods 16 on the two connecting rods 25 are stacked up together, and the crushing rods 18 on the stacked slide rods 16 are staggered. The slide rod 16 close to the second screening plate 15 is close to the upper end of the second screening plate 15. A driving assembly for driving the two connecting rods 25 to move back and forth is provided on the side wall of the collection box 2 close to the connecting rod 25.

[0028] The drive assembly includes a motor 19, which is mounted on the side wall of the collection box 2 near the connecting rod 25 through a mounting block. A first rotating disk 20 is horizontally mounted on the output end of the motor 19. A first column 21 is vertically mounted on the end of the first rotating disk 20 away from the motor 19 for use with the connecting rod 25 near the upper end of the collection box 2. The first column 21 is arranged on one side near the circumferential side wall of the first rotating disk 20. A second rotating disk 22 is horizontally mounted on the end of the first column 21 away from the first rotating disk 20. The second rotating disk 22 is away from the first rotating disk 20. A second column 23 is vertically installed at one end of the column 21 for use with a connecting rod 25 near the lower end of the collection box 2. The second column 23 is arranged on a side close to the circumferential side wall of the second rotating disk 22. The center points of the second column 23, the first column 21 and the second rotating disk 22 are on the same vertical plane, and the second column 23 and the first column 21 are symmetrical about the vertical line. The side walls of the first column 21 and the second column 23 are both rotatably connected with a swing rod 24, and the swing rod 24 is rotatably connected to the end of the connecting rod 25 close to the collection box 2 away from the collection box 2.

[0029] When in use, the motor 19 is started, and the output end of the motor 19 drives the first rotating disk 20, the first column 21, the second rotating disk 22, and the second column 23 to rotate. The first column 21 and the second column 23 drive the swing rod 24 to swing, and the swing rod 24 drives the connecting rod 25 to move back and forth horizontally. The connecting rod 25 drives the fixed rod 17 and the sliding rod 16 to move back and forth, and the sliding rod 16 drives the crushing rod 18 to move back and forth. At the same time, due to the different positions of the first column 21 and the second column 23, the movement directions of the two connecting rods 25 are opposite, so that the crushing rods 18 on the two connecting rods 25 are staggered to shear and crush the large-particle materials.

[0030] The conveying mechanism includes a first belt conveyor 9 for conveying materials from the feed port 8 to the discharge port 10. The first belt conveyor 9 is installed inside the conveying frame 1 near the side of the discharge port 10. A second belt conveyor 12 parallel to the first belt conveyor 9 is installed inside the conveying frame 1 above the first belt conveyor 9. The second belt conveyor 12 and the first belt conveyor 9 are staggered with each other, so that the material conveyed by the feed port 8 falls directly to the input end of the first belt conveyor 9. A combing row 11 for conveying large-particle materials is installed on the belt of the second belt conveyor 12. The end of the combing row 11 away from the second belt conveyor 12 is close to the first belt conveyor 9. The rotation directions of the first belt conveyor 9 and the second belt conveyor 12 are opposite. The conveying speed of the second belt conveyor 12 is less than the conveying speed of the first belt conveyor 9. The upper end surface of the conveying frame 1 is installed with a controller 7 for controlling the rotation speed of the first belt conveyor 9 and the second belt conveyor 12.

[0031] During use, the material is conveyed to the input end of the first belt conveyor 9 through the feed port 8, and the first belt conveyor 9 conveys the material. Since the conveying speed of the second belt conveyor 12 is lower than the conveying speed of the first belt conveyor 9, the combing row 11 on the second belt conveyor 12 will block the material with large particle size, so that the large particle material is conveyed by the second belt conveyor 12. The first belt conveyor 9 directly conveys the material that meets the particle size conditions to the inside of the collection box 2, and the second belt conveyor 12 slowly conveys the large particle size material to the inside of the collection box 2, reducing the load of the crushing mechanism.

[0032] The screening mechanism includes a hopper 5, the output end of the hopper 5 is installed on the feed port 8, a feed frame 6 is installed on the side of the upper end of the hopper 5 close to the collection box 2, and a first screening plate 13 is installed on the inner wall of the hopper 5 close to the collection box 2 at an angle downward, and a vibrator 14 for vibrating the first screening plate 13 is installed at the lower end of the first screening plate 13.

[0033] During use, the material is transported to the first screening plate 13 inside the hopper 5 through the feed frame 6, and the vibrator 14 vibrates the first screening plate 13. The material that meets the particle size conditions directly passes through the first screening plate 13 and enters the feed port 8. The large particle size material moves along the inclined surface of the first screening plate 13 and the inclined surface of the inner wall of the hopper 5, and finally moves to the inside of the feed port 8, slowing down the movement speed of the large particle size material.

[0034] The working principle of a ball mill feeding device:

[0035] During use, the material is transported to the first screening plate 13 inside the hopper 5 through the feed frame 6, and the vibrator 14 vibrates the first screening plate 13. The material that meets the particle size conditions directly passes through the first screening plate 13 and enters the feed port 8. The large particle size material moves along the inclined surface of the first screening plate 13 and the inclined surface of the inner wall of the hopper 5, and finally moves to the inside of the feed port 8.

[0036] The material is conveyed to the input end of the first belt conveyor 9 through the feed port 8. The first belt conveyor 9 conveys the material. Since the conveying speed of the second belt conveyor 12 is lower than the conveying speed of the first belt conveyor 9, the combing row 11 on the second belt conveyor 12 will block the material with large particle size, so that the second belt conveyor 12 conveys the large particle material. The first belt conveyor 9 directly conveys the material that meets the particle size conditions to the inside of the collection box 2, and the second belt conveyor 12 slowly conveys the large particle size material to the inside of the collection box 2.

[0037] Start the motor 19, and the output end of the motor 19 drives the first rotating disk 20, the first column 21, the second rotating disk 22, and the second column 23 to rotate. The first column 21 and the second column 23 drive the swing rod 24 to swing, and the swing rod 24 drives the connecting rod 25 to move back and forth horizontally. The connecting rod 25 drives the fixed rod 17 and the sliding rod 16 to move back and forth, and the sliding rod 16 drives the crushing rod 18 to move back and forth. At the same time, due to the different positions of the first column 21 and the second column 23, the movement directions of the two connecting rods 25 are opposite, so that the crushing rods 18 on the two connecting rods 25 are staggered to shear and crush the large particle size material. The material that meets the particle size conditions passes through the second screening plate 15 and is transported to the feed port of the ball mill through the conveying bucket 3.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention.

Claims

1. A ball mill feeding device, comprising an inclined conveying frame (1), a bracket (4) for supporting the conveying frame (1) being installed at the lower end of the conveying frame (1), a feeding port (8) being provided on the side of the upper end face of the conveying frame (1) close to the bracket (4), and a discharging port (10) being provided on the side of the lower end face of the conveying frame (1) away from the bracket (4), characterized in that: A collection box (2) is fixedly sleeved on one end of the conveying frame (1) near the discharge port (10), the discharge port (10) is arranged inside the collection box (2), a conveying bucket (3) for conveying materials to the ball mill feed port is installed at the lower end of the collection box (2), a conveying mechanism for lifting and conveying materials is arranged inside the conveying frame (1), a screening mechanism for dispersing and dropping materials of different particle sizes is arranged on the feed port (8), and a crushing mechanism for crushing materials of large particle sizes is arranged inside the collection box (2).

2. A ball mill feeding device according to claim 1, characterized in that: The crushing mechanism includes a second screening plate (15), which is horizontally mounted on the inner wall of the collection box (2) below the discharge port (10), and two connecting rods (25) are horizontally arranged on one side wall of the collection box (2). The two connecting rods (25) are on the same vertical plane, and a fixed rod (17) is mounted on one end of the connecting rod (25) close to the collection box (2). Slide rods (16) are horizontally mounted on both ends of the fixed rod (17), and the end of the slide rod (16) away from the connecting rod (25) passes through On two opposite side walls of the collection box (2), a plurality of crushing rods (18) are installed between the two slide rods (16) inside the collection box (2), the slide rods (16) on the two connecting rods (25) are stacked up and down, and the crushing rods (18) on the stacked slide rods (16) are staggered. The slide rod (16) close to the second screening plate (15) is close to the upper end of the second screening plate (15), and a driving component for driving the two connecting rods (25) to move back and forth is provided on the side wall of the collection box (2) close to the connecting rod (25).

3. A ball mill feeding device according to claim 2, characterized in that: Crushing teeth are installed on the side wall of the crushing rod (18) to facilitate crushing large particle materials.

4. A ball mill feeding device according to claim 2, characterized in that: The driving assembly includes a motor (19), which is mounted on a side wall of the collection box (2) near the connecting rod (25) through a mounting block, and a first rotating disk (20) is horizontally mounted on the output end of the motor (19), and a first column (21) is vertically mounted on an end of the first rotating disk (20) away from the motor (19) for use with the connecting rod (25) near the upper end of the collection box (2), and the first column (21) is arranged on a side near the circumferential side wall of the first rotating disk (20), and a second rotating disk (22) is horizontally mounted on an end of the first column (21) away from the first rotating disk (20), and the second rotating disk (22) is away from the first column (21). A second column (23) is vertically mounted on one end of the column (21) for use with a connecting rod (25) near the lower end of the collection box (2). The second column (23) is arranged on a side near the circumferential side wall of the second rotating disk (22). The center points of the second column (23), the first column (21) and the second rotating disk (22) are on the same vertical plane, and the second column (23) and the first column (21) are symmetrical about the vertical line. The side walls of the first column (21) and the second column (23) are both rotatably connected to a swing rod (24). The swing rod (24) is rotatably connected to the end of the connecting rod (25) away from the collection box (2) at one end near the collection box (2).

5. A ball mill feeding device according to claim 2, characterized in that: The conveying mechanism comprises a first belt conveyor (9) for conveying materials from a feed port (8) to a discharge port (10), the first belt conveyor (9) being installed inside a conveying frame (1) close to a side of the discharge port (10), a second belt conveyor (12) being installed inside the conveying frame (1) above the first belt conveyor (9) and being parallel to the first belt conveyor (9), the second belt conveyor (12) and the first belt conveyor (9) being staggered with each other so that the materials conveyed by the feed port (8) fall directly onto the input end of the first belt conveyor (9), and the second belt conveyor (12) and the first belt conveyor (9) are staggered with each other. A combing row (11) for conveying large-particle materials is installed on the belt of the belt conveyor (12); one end of the combing row (11) away from the second belt conveyor (12) is close to the first belt conveyor (9); the first belt conveyor (9) and the second belt conveyor (12) rotate in opposite directions; the conveying speed of the second belt conveyor (12) is lower than that of the first belt conveyor (9); and a controller (7) for controlling the rotation speed of the first belt conveyor (9) and the second belt conveyor (12) is installed on the upper end surface of the conveying frame (1).

6. A ball mill feeding device according to claim 2, characterized in that: The screening mechanism comprises a hopper (5), the output end of the hopper (5) is mounted on a feed port (8), a feed frame (6) is mounted on the upper end of the hopper (5) close to the collecting box (2), a first screening plate (13) is mounted on the inner wall of the hopper (5) close to the collecting box (2) in an inclined downward direction, and a vibrator (14) for vibrating the first screening plate (13) is mounted on the lower end of the first screening plate (13).

7. A ball mill feeding device according to claim 1, characterized in that: Reinforced support ribs for improving the structural strength of the conveying frame (1) are installed on the side walls of the conveying frame (1).

8. A ball mill feeding device according to claim 2, characterized in that: A rubber pad for sealing is installed at the sliding opening between the sliding rod (16) and the collecting box (2).

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