CN219334410U

CN219334410U - Ball mill

Info

Publication number: CN219334410U
Application number: CN202320252988.5U
Authority: CN
Inventors: 张晓东; 高海燕
Original assignee: Suzhou Haili Metal Powder Material Co ltd
Current assignee: Suzhou Haili Metal Powder Material Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-14
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a ball mill relates to the grinding field, in order to solve barrel pivoted in-process, the position of a plurality of steel balls is not fixed, and partial material grinding degree is heavier, and partial material grinding degree is lighter, namely the uneven problem of material granule after grinding, it includes support frame and barrel, the pan feeding mouth has been seted up to one end of barrel, the barrel periphery wall is provided with the discharge gate, the both ends of barrel all rotate and set up on the support frame, place a plurality of steel balls in the barrel; the support frame is provided with a first driving motor, the first driving motor is used for driving the cylinder body to rotate, an inner cylinder is arranged in the cylinder body, two ends of the length direction of the inner cylinder are arranged on the cylinder body, and a plurality of sieve holes are formed in the inner cylinder. The application has the effect of improving the uniformity of the ground material particles.

Description

Ball mill

Technical Field

The application relates to the field of grinding, in particular to a ball mill.

Background

The ball mill is used for crushing materials after being crushed, the cylinder body is a long cylinder, the cylinder body is internally provided with a grinding body, the cylinder body is made of steel plates and is fixed with the cylinder body, the grinding body is generally made of steel balls and is arranged in the cylinder body according to different diameters and proportions, the materials are arranged in the cylinder body through a hollow shaft at the feeding end of the ball mill, when the cylinder body of the grinding machine rotates, the grinding body is attached to the cylinder body lining plate and taken away by the cylinder body due to inertia, centrifugal force and friction force, and when the grinding body is taken to a certain height, the grinding body is thrown down due to the gravity of the grinding body, and the fallen grinding body is like a projectile body, so that the materials in the cylinder body are crushed.

The prior art discloses a ball mill, which comprises a support frame and a cylinder body, wherein a feed inlet is formed in one end of the cylinder body, a discharge outlet is formed in the peripheral wall of the cylinder body, two ends of the cylinder body are both rotatably arranged on the support frame, a plurality of steel balls are placed in the cylinder body, and a driving motor is arranged on the support frame and used for driving the cylinder body to rotate; when the ball mill is used, materials are firstly input into the cylinder body from the feed inlet, the driving motor is started, the cylinder body rotates, the steel balls grind the materials, after the cylinder body rotates between the appointed positions, the driving motor is closed, and the grinded materials are poured out from the discharge outlet.

However, in the process of rotating the cylinder, the positions of the steel balls are not fixed, the grinding degree of part of the materials is heavy, and the grinding degree of part of the materials is light, namely, the ground material particles are uneven, so that the improvement is needed.

Disclosure of Invention

In order to improve the uniformity of the ground material particles, the application provides a ball mill.

The ball mill provided by the application adopts the following technical scheme:

the ball mill comprises a support frame and a cylinder body, wherein a feed inlet is formed in one end of the cylinder body, a discharge outlet is formed in the peripheral wall of the cylinder body, two ends of the cylinder body are both rotatably arranged on the support frame, and a plurality of steel balls are placed in the cylinder body; the support frame is provided with a first driving motor, the first driving motor is used for driving the cylinder body to rotate, an inner cylinder is arranged in the cylinder body, two ends of the length direction of the inner cylinder are arranged on the cylinder body, and a plurality of sieve holes are formed in the inner cylinder.

Through adopting above-mentioned technical scheme, when using the ball mill, with the material that waits to grind from the pan feeding mouth input barrel, then start driving motor one, the barrel rotates, after the barrel rotates the appointed time, close driving motor one, export the material of finishing grinding from the discharge gate, the inner tube has the filter effect to the material of waiting to grind for the material that satisfies the requirement can no longer be beaten by the steel ball, thereby makes the material granule size of gained even, has improved the practicality of ball mill.

Optionally, still be provided with size adjusting device on the barrel, size adjusting device includes an adjusting cylinder and driving motor two, an adjusting cylinder cover is established in the outside of inner tube, just an adjusting cylinder length direction's both ends all set up the inner wall at the barrel, an adjusting hole with a plurality of sieve meshes one-to-one has been seted up on the adjusting cylinder, driving motor two sets up on the barrel, driving motor two is used for driving the inner tube and rotates.

Through adopting above-mentioned technical scheme, before using the ball mill, start driving motor two, inner tube and adjusting cylinder take place relative rotation, when the biggest granule that can pass a plurality of sieve meshes is the appointed size, close driving motor two, through driving motor two and adjusting cylinder's combined action, the granule size of the material of realization is adjustable, has further improved the practicality of ball mill.

Optionally, both ends of adjusting a section of thick bamboo length direction all are provided with the ring flange, every the one end that the adjusting a section of thick bamboo was kept away from to the ring flange all sets up the inside wall at the barrel.

Through adopting above-mentioned technical scheme, be connected with the ring flange between adjusting section of thick bamboo and the barrel, can strengthen the stability of being connected between adjusting section of thick bamboo and the barrel through the ring flange.

Optionally, a partition plate is arranged on the inner wall of the inner cylinder, a plurality of steel balls are distributed on two sides of the partition plate, a plurality of inlets and outlets are formed in the partition plate, the diameter of each inlet and outlet is smaller than that of each steel ball, and the diameter of each inlet and outlet is larger than that of each sieve hole.

By adopting the technical scheme, the steel balls are uniformly distributed on the two sides of the cylinder body on the partition plate, so that the possibility that the steel balls are gathered together is reduced, and the granularity of the obtained material is further uniform.

Optionally, the inner peripheral wall of the inner cylinder is also provided with a plurality of supporting strips, a plurality of sieve pores are arranged among the plurality of supporting strips, and rubber pads are arranged between the plurality of supporting strips and the inner cylinder.

Through adopting above-mentioned technical scheme, a plurality of bars of accepting can reduce the possibility that a plurality of steel balls directly hit the inner tube inner wall, and a plurality of rubber pads can further reduce the impact of steel balls to the inner tube inner wall to the life of extension inner tube.

Optionally, the periphery wall of barrel is provided with the bull gear circle, the cover is equipped with the pinion circle on driving motor's the drive shaft, bull gear circle and pinion circle intermeshing set up.

By adopting the technical scheme, when the ball mill is used, the first driving motor is started, the driving shaft of the first driving motor drives the pinion gear ring to rotate, the pinion gear ring drives the large gear ring to rotate, and the large gear ring drives the cylinder to rotate; the rotation speed of the cylinder body is lower than the rotation speed of a driving shaft of the driving motor through the combined action of the pinion gear ring and the large gear ring.

Optionally, receive the silo has been seted up to support frame one side, receive the silo and be located the below of discharge gate, the support frame is located and is provided with the receipts workbin in receipts silo department.

Through adopting above-mentioned technical scheme, the ball mill is to the material after finishing grinding, will grind the material of finishing and input in receiving the workbin from the discharge gate, conveniently transport the material.

Optionally, the one side that receive the workbin and deviate from the support frame is provided with the handle, receive the workbin bottom and be provided with a plurality of pulleys.

Through adopting above-mentioned technical scheme, place the material behind the receipts workbin, hold the handle and remove the receipts workbin to the instruction point for it is comparatively laborsaving when removing the material that grinds the completion through the combined action of handle and a plurality of pulley.

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

1. when the ball mill is used, a material to be ground is input into the cylinder from the feed inlet, then the first driving motor is started, the cylinder rotates, after the cylinder rotates for a specified time, the first driving motor is closed, the ground material is output from the discharge outlet, and the inner cylinder has a filtering effect on the material to be ground, so that the material meeting the requirement can not be hit by the steel balls any more, the particle size of the obtained material is uniform, and the practicability of the ball mill is improved;

2. before the ball mill is used, a second driving motor is started, the inner cylinder and the adjusting cylinder relatively rotate, when the maximum particles which can pass through a plurality of sieve holes are of a specified size, the second driving motor is closed, and the particle size of the obtained material is adjustable through the combined action of the second driving motor and the adjusting cylinder, so that the practicability of the ball mill is further improved;

3. after the material is placed in the material receiving box, the material receiving box is moved to a specified point by holding the handle, and the work is saved when the grinded material is moved by the combined action of the handle and the pulleys.

Drawings

Fig. 1 is a schematic structural view of a ball mill according to an embodiment of the present application.

FIG. 2 is a schematic cross-sectional view showing the positional relationship between the inner barrel and the barrel in the embodiment of the present application.

Reference numerals illustrate: 1. a support frame; 11. a material collecting groove; 12. a material receiving box; 121. a handle; 122. a pulley; 13. a separation chamber; 2. a cylinder; 21. a feed inlet; 22. a discharge port; 23. a large gear ring; 3. a steel ball; 4. driving a first motor; 41. pinion gear ring; 5. an inner cylinder; 51. a sieve pore; 52. a partition plate; 521. an inlet and an outlet; 53. a rubber pad; 54. a receiving bar; 6. a size adjustment device; 61. an adjustment cylinder; 611. an adjustment aperture; 612. a flange plate; 62. a second driving motor; 7. a working chamber.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-2.

The embodiment of the application discloses a ball mill. Referring to fig. 1 and 2, the ball mill comprises a support frame 1 and a cylinder body 2, wherein the support frame 1 is placed on the ground, both ends of the cylinder body 2 are rotatably arranged on the support frame 1 through bearings, a feed inlet 21 is formed in one end of the cylinder body 2, a discharge outlet 22 is formed in the peripheral wall of the cylinder body 2, a plurality of steel balls 3 are placed in the cylinder body 2, an inner cylinder 5 is arranged on the inner wall of the cylinder body 2, a plurality of sieve holes 51 are formed in the inner peripheral wall of the inner cylinder 5 in a penetrating manner, a separation cavity 13 is formed between the inner cylinder 5 and the cylinder body 2, and a size adjusting device 6 is further arranged on the cylinder body 2; one end of the support frame 1 in the length direction is provided with a first driving motor 4, and the first driving motor 4 is used for driving the cylinder 2 to rotate; the material receiving box 12 is arranged below the material outlet 22 of the supporting frame 1.

Referring to fig. 1 and 2, when the ball mill is used, firstly, the size of particles which can pass through the sieve holes 51 is regulated by a size regulating device 6 according to specified requirements, then materials to be ground are input into an inner cylinder 5 from a feed inlet 21, then a driving motor I4 is started, the cylinder 2 rotates, a plurality of steel balls 3 grind the materials, the materials with the particles smaller than the sieve holes 51 enter a separating cavity 13, after the cylinder 2 rotates for specified time, the driving motor I4 is closed, and the materials in the separating cavity 13 are poured into a material receiving box 12 from a discharge outlet 22; through the cooperation of inner tube 5 and a plurality of sieve mesh 51 for ball-milling granule is all slightly less than sieve mesh 51, thereby improves the even degree of material granule after the grinding.

Referring to fig. 1, a base of a first driving motor 4 is fixed on a supporting frame 1 through bolts, one end of a cylinder 2 in the length direction is sleeved with a large gear ring 23, the inner wall of the large gear ring 23 is fixed on the outer peripheral wall of the cylinder 2 through welding, a pinion gear ring 41 is fixed on a driving shaft of the first driving motor 4 through welding, and the pinion gear ring 41 and the large gear ring 23 are meshed with each other.

Referring to fig. 1, when the ball mill is used, a first driving motor 4 is started, a driving shaft of the first driving motor 4 drives a pinion gear ring 41 to rotate, the pinion gear ring 41 drives a large gear ring 23 to rotate, and the large gear ring 23 drives a cylinder 2 to rotate; by the combined action of the pinion gear ring 41 and the bull gear ring 23, a rotational speed of the cylinder 2 is made smaller than that of the drive motor one 4.

Referring to fig. 2, the inner peripheral wall of the inner cylinder 5 is further provided with a plurality of receiving bars 54, the plurality of receiving bars 54 are uniformly distributed on the inner peripheral wall of the inner cylinder 5 around the axis of the inner cylinder 5, the plurality of receiving bars 54 are arranged in a protruding manner at one side of the inner cylinder 5 away from the inner cylinder 5, and a rubber pad 53 is fixed between each receiving bar 54 and the inner cylinder 5 through a bolt; the plurality of sieve holes 51 are uniformly distributed among the plurality of receiving bars 54.

Referring to fig. 2, the plurality of receiving bars 54 can reduce the possibility that the plurality of steel balls 3 directly strike the inner wall of the inner cylinder 5, and the plurality of rubber pads 53 can further reduce the impact of the steel balls 3 on the inner cylinder 5, so that the service life of the inner cylinder 5 can be prolonged.

Referring to fig. 2, a partition plate 52 is fixed on the inner wall of the inner cylinder 5 by welding, the partition plate 52 divides the inner cylinder 5 into two working chambers 7, and a plurality of steel balls 3 are uniformly distributed in the two working chambers 7; the partition plate 52 is provided with a plurality of inlets and outlets 521, the diameter of the inlets and outlets 521 is smaller than that of the steel balls 3, and the diameter of the inlets and outlets 521 is larger than that of the sieve holes 51.

Referring to fig. 2, when the ball mill is used, part of the material passes through a plurality of inlets and outlets 521, namely, the material is distributed in two working chambers 7, and different steel balls 3 grind the material in the working chambers 7, so that the aggregation of a plurality of steel balls 3 in one place is reduced, and only part of the material is ground, so that the condition of uneven material particles occurs.

Referring to fig. 2, the size adjusting means 6 includes an adjusting cylinder 61 and a second driving motor 62; the adjusting cylinder 61 is sleeved on the outer side of the inner cylinder 5, two ends of the adjusting cylinder 61 in the length direction are fixed on the inner wall of the cylinder 2 through welding, flanges 612 are arranged at the joints of the two ends of the adjusting cylinder 61 in the length direction and the cylinder 2, one end of each flange 612 is fixed on the outer side wall of the adjusting cylinder 61 through bolts, one end of each flange 612, far away from the adjusting cylinder 61, is fixed on the inner side wall of the cylinder 2 through bolts, and adjusting holes 611 corresponding to the sieve holes 51 one by one are formed in the adjusting cylinder 61; the base of the second driving motor 62 is fixed on the support frame 1 through welding, the driving shaft of the second driving motor 62 penetrates through the cylinder body 2 to be fixed on the inner cylinder 5, and one end, far away from the second driving motor 62, of the inner cylinder 5 is rotatably arranged on the cylinder body 2 through a bearing.

Referring to fig. 2, before the ball mill is used, the second driving motor 62 is started, and the inner cylinder 5 and the adjusting cylinder 61 rotate relatively, but when the maximum particles passing through the inner cylinder 5 and the adjusting cylinder 61 are of a specified size, the second driving motor 62 is closed; the particle size of the obtained material can be adjusted by the cooperation of the adjusting cylinder 61 and the driving motor II 62.

Referring to fig. 1, a receiving trough 11 is formed below a discharge hole 22 of a support frame 1, the receiving trough 11 is communicated with one end side wall of the support frame 1, a receiving box 12 is arranged at the position of the support frame 1, a handle 121 is fixedly welded on one end side wall of the receiving box 12, which is away from the support frame 1, and a plurality of pulleys 122 are fixedly arranged at the bottom of the receiving box 12 through bolts.

Referring to fig. 1, after the grinder is used, a plurality of ground materials are poured into the material receiving box 12 from the material outlet 22, and then the ground materials are transported to a designated point by holding the handle 121; the ground material can be transported conveniently by the receiving box 12.

The implementation principle of the ball mill provided by the embodiment of the application is as follows: when the ball mill is used, the driving motor II 62 is started, the inner cylinder 5 and the adjusting cylinder 61 rotate relatively, and when the maximum particles which can pass through the sieve holes 51 and reach the working cavity 7 are of a specified particle size, the driving motor II 62 is closed; the material to be ground is input into the working cavity 7 from the feed inlet 21, then the driving motor I4 is started, the cylinder body 2 rotates, after the cylinder body 2 rotates for a specified time, the driving motor I4 is closed, the ground material is input into the material receiving box 12 from the discharge outlet 22, and finally the handle 121 is held to transport the material to a specified position.

Through the combined action of the inner cylinder 5 and the sieve holes 51, the uniformity of the ground material particles is improved, so that the practicability of the ball mill is enhanced, and the ball mill needs to be improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The ball mill comprises a support frame (1) and a cylinder body (2), wherein a feed inlet (21) is formed in one end of the cylinder body (2), a discharge hole (22) is formed in the peripheral wall of the cylinder body (2), two ends of the cylinder body (2) are rotatably arranged on the support frame (1), and a plurality of steel balls (3) are placed in the cylinder body (2); be provided with driving motor one (4) on support frame (1), driving motor one (4) are used for driving barrel (2) rotation, its characterized in that: an inner cylinder (5) is arranged in the cylinder body (2), two ends of the inner cylinder (5) in the length direction are arranged on the cylinder body (2), and a plurality of sieve holes (51) are formed in the inner cylinder (5).

2. A ball mill according to claim 1, wherein: still be provided with size adjusting device (6) on barrel (2), size adjusting device (6) are including adjusting section of thick bamboo (61) and driving motor two (62), the outside at inner tube (5) is established to adjusting section of thick bamboo (61) cover, just adjusting section of thick bamboo (61) length direction's both ends all set up the inner wall at barrel (2), set up regulation hole (611) with a plurality of sieve mesh (51) one-to-one on adjusting section of thick bamboo (61), driving motor two (62) set up on barrel (2), driving motor two (62) are used for driving inner tube (5) rotation.

3. A ball mill according to claim 2, wherein: the two ends of the length direction of the adjusting cylinder (61) are provided with flange plates (612), and one end, far away from the adjusting cylinder (61), of each flange plate (612) is arranged on the inner side wall of the cylinder body (2).

4. A ball mill according to claim 1, wherein: the inner cylinder (5) inner wall is provided with division board (52), a plurality of steel balls (3) are distributed in division board (52) both sides, a plurality of import and export (521) have been seted up on division board (52), the diameter of import and export (521) is less than steel ball (3) diameter, just the diameter of import and export (521) is greater than sieve mesh (51) diameter.

5. A ball mill according to claim 1, wherein: the inner peripheral wall of the inner cylinder (5) is also provided with a plurality of bearing strips (54), a plurality of sieve holes (51) are arranged among the plurality of bearing strips (54), and rubber pads (53) are arranged between the plurality of bearing strips (54) and the inner cylinder (5).

6. A ball mill according to claim 1, wherein: the outer peripheral wall of the cylinder body (2) is provided with a large gear ring (23), a pinion ring (41) is sleeved on a driving shaft of the first driving motor (4), and the large gear ring (23) and the pinion ring (41) are meshed with each other.

7. A ball mill according to claim 1, wherein: a receiving groove (11) is formed in one side of the supporting frame (1), the receiving groove (11) is located below the discharging hole (22), and a receiving box (12) is arranged at the position of the supporting frame (1) located at the receiving groove (11).

8. A ball mill according to claim 7, wherein: one side of the material receiving box (12) deviating from the supporting frame (1) is provided with a handle (121), and the bottom of the material receiving box (12) is provided with a plurality of pulleys (122).