CN216538756U

CN216538756U - Ball mill

Info

Publication number: CN216538756U
Application number: CN202122859542.2U
Authority: CN
Inventors: 项耀良
Original assignee: Zhaoqing Wankun Ceramic Electric Appliance Co ltd
Current assignee: Zhaoqing Wankun Ceramic Electric Appliance Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-05-17
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a ball mill, which comprises a frame, a cylinder and a driving device, wherein the top of the frame is provided with two oppositely arranged bearing seats; the grinding device comprises a barrel, a bearing seat, a grinding cavity, a metal filter screen, a material cover, a grinding body, a material outlet and a material outlet, wherein the barrel is horizontally arranged, two end surfaces of the barrel are provided with rotating shafts which are rotatably connected with the bearing seat, the barrel is internally provided with the grinding cavity, the grinding body for grinding materials is arranged in the grinding cavity, the surface of the barrel is provided with the material outlet which is communicated with the grinding cavity of the barrel, and the material outlet is sequentially provided with the metal filter screen and the material cover; the driving device is used for driving the cylinder body to rotate. The grinding machine is connected with the bearing seat of the frame through the rotating shafts arranged on the two end faces of the cylinder body, the structure is simple, meanwhile, the metal filter screen and the material cover are sequentially arranged at the material opening on the surface of the cylinder body, the material opening is upward, the metal filter screen and the material cover are both opened before work, materials are placed in the grinding machine, after the processing is completed, the material opening is downward, only the material cover is opened, the ground materials are discharged, and the grinding body is left in the grinding cavity due to the obstruction of the metal filter screen, so that the materials are conveniently taken and placed, and the work efficiency is improved.

Description

Ball mill

Technical Field

The utility model relates to the field of grinding equipment, in particular to a ball mill.

Background

The ball mill is the key equipment for crushing the materials after the materials are crushed. The ball mill is suitable for grinding various ores and other materials, and is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like. The existing ball mill mainly comprises a horizontally arranged cylinder and a grinding body arranged in the cylinder, wherein the grinding body is overturned and rolled in the cylinder to impact materials, and then the materials are ground into powder. However, the existing ball mill has the disadvantages of complex structure, inconvenient material taking and placing and low working efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the ball mill provided by the utility model has the advantages that the structure is simple, the material taking and discharging are convenient, and the working efficiency is improved.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a ball mill comprises a frame, a cylinder and a driving device, wherein the top of the frame is provided with two oppositely arranged bearing seats; the grinding device comprises a bearing seat, a barrel, a grinding cavity, a grinding body, a material inlet, a material outlet and a metal filter screen, wherein the barrel is horizontally arranged, two end faces of the barrel are provided with rotating shafts which are rotatably connected with the bearing seat, the barrel is internally provided with the grinding cavity, the grinding body for grinding materials is arranged in the grinding cavity, the surface of the barrel is provided with the material inlet which is communicated with the grinding cavity, and the material inlet is sequentially provided with the metal filter screen and the material cover; the driving device is used for driving the cylinder body to rotate.

The ball mill according to the embodiment of the utility model has at least the following beneficial effects: the rotating shaft arranged on the two end faces of the barrel is connected with the bearing seat of the frame, the structure is simple, the metal filter screen and the material cover are sequentially arranged at the material opening on the surface of the barrel, the material opening faces upwards, the metal filter screen and the material cover are opened before work, materials are placed, after processing is completed, the material opening faces downwards, the material cover is only opened, the ground materials are discharged, and the grinding body is left in the grinding cavity due to the separation of the metal filter screen, so that the material taking and placing are convenient, and the working efficiency is improved.

According to some embodiments of the utility model, the bearing seat comprises triangular frames and a rotating bearing arranged at the top of the triangular frames, the bottoms of the two triangular frames are connected through a steel plate, and the rotating bearing is connected with the rotating shaft.

The beneficial results are: the supporting seat is of a triangular structure and is connected through a steel plate, the structure is reliable, and the working stability in the grinding process is guaranteed.

According to some embodiments of the utility model, the inner wall of the grinding chamber is provided with a plurality of spherical protrusions.

The beneficial results are: the spherical protrusions are arranged, so that the contact area of material collision can be increased, and the grinding efficiency is improved.

According to some embodiments of the utility model, the abrasive bodies are spherical steel balls.

The beneficial results are: the uniform collision between the spherical steel balls and the materials is adopted, so that the full grinding is facilitated, the steel balls are not easy to wear, and the service life is long.

According to some embodiments of the utility model, the metal screen has a pore size smaller than a diameter of the spherical steel ball.

The beneficial results are: therefore, the material after grinding can be discharged from the material outlet, and the spherical steel balls are prevented from being discharged in a mixed manner.

According to some embodiments of the utility model, the material cover is provided with a sealing ring.

The beneficial results are: the sealing ring is arranged to improve the sealing performance of the barrel, and the barrel is prevented from discharging dust to influence the environment in the grinding process.

According to some embodiments of the utility model, the driving device comprises a speed reducer connected with the cylinder and a motor driving the speed reducer to rotate.

The beneficial results are: the proper speed of material grinding can be achieved through the matching of the motor and the speed reducer, and the stable work and the grinding efficiency are guaranteed.

According to some embodiments of the utility model, the speed reducer comprises a large wheel, a small wheel and a connecting rod connecting the large wheel and the small wheel, the connecting rod is mounted on the frame through a bearing, and the motor and the large wheel, and the small wheel and the barrel are connected through belts.

The beneficial results are: the reducer has the advantages of simple structure and reliable transmission.

According to some embodiments of the utility model, the large wheel, the small wheel and the outer surface of the cylinder are provided with belt grooves for accommodating the belts.

The beneficial results are: the belt can be prevented from being separated in the working process by arranging the belt grooves, and stable working is ensured.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a left side view of the FIG. 1 illustration;

fig. 3 is a partially enlarged view of a in fig. 1.

Reference numerals: the grinding device comprises a rack 100, a bearing seat 110, a cylinder 120, a rotating shaft 130, a grinding cavity 140, a grinding body 150, a material port 160, a metal filter screen 170, a material cover 180, a triangular frame 190, a rotating bearing 200, a steel plate 210, a spherical bulge 220, a speed reducer 230, a motor 240, a large wheel 250, a small wheel 260, a connecting rod 270 and a belt 280.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

A ball mill is described in detail below in one specific embodiment with reference to fig. 1-3. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the utility model.

As shown in fig. 1-3, a ball mill includes a frame 100, a bowl 120, and a drive device.

Wherein, the top of the frame 100 is provided with two oppositely arranged bearing seats 110; the barrel 120 is horizontally arranged, two end faces of the barrel 120 are provided with rotating shafts 130 rotatably connected with the bearing block 110, a grinding cavity 140 is arranged in the barrel 120, a grinding body 150 for grinding materials is arranged in the grinding cavity 140, a material opening 160 communicated with the grinding cavity 140 is arranged on the surface of the barrel 120, and a metal filter screen 170 and a material cover 180 are sequentially arranged on the material opening 160; the driving device is used for driving the cylinder 120 to rotate.

The rotating shaft 130 arranged on the two end faces of the cylinder 120 is connected with the bearing seat 110 of the rack 100, the structure is simple, meanwhile, the metal filter screen 170 and the material cover 180 are sequentially arranged on the material port 160 on the surface of the cylinder 120, the material port 160 faces upwards, the metal filter screen 170 and the material cover 180 are both opened before work, materials are placed, after processing is completed, the material port 160 faces downwards, only the material cover 180 is opened, the ground materials are discharged, and the grinding body 150 is left in the grinding cavity 140 due to the separation of the metal filter screen 170, so that the materials are conveniently taken and placed, and the working efficiency is improved.

In some embodiments of the present invention, the bearing housing 110 includes triangular frames 190, and a rotary bearing 200 disposed on the top of the triangular frames 190, wherein the bottoms of the two triangular frames 190 are connected by a steel plate 210, and the rotary bearing 200 is connected to the rotary shaft 130. The supporting seat is of a triangular structure and is connected through the steel plate 210, the structure is reliable, and the working stability in the grinding process is guaranteed.

Specifically, the inner wall of the grinding chamber 140 is provided with a plurality of spherical protrusions 220. The spherical bulge 220 is arranged, so that the contact area of collision of materials can be increased, and the grinding efficiency is improved.

Further, the grinding body 150 is a spherical steel ball. The uniform collision between the spherical steel balls and the materials is adopted, so that the full grinding is facilitated, the steel balls are not easy to wear, and the service life is long.

It will be appreciated that the aperture of the metal screen 170 is smaller than the diameter of the spherical steel ball. This ensures that the ground material is discharged from the discharge opening 160, thereby preventing the discharge of the mixture of the ball-shaped balls.

Note that, a sealing ring is provided on the material cover 180, and the sealing ring is not shown in the figure. The sealing ring is arranged to improve the sealing performance of the cylinder 120, and the influence of dust discharged from the cylinder 120 in the grinding process on the environment is prevented.

As shown in fig. 1 and 2, the driving device includes a reducer 230 connected to the cylinder 120, and a motor 240 for rotating the reducer 230. The motor 240 and the reducer 230 are matched to achieve the proper speed of material grinding, and the stable work and the grinding efficiency are guaranteed.

Specifically, the reducer 230 includes a large wheel 250, a small wheel 260, and a connecting rod 270 connecting the large wheel 250 and the small wheel 260, the connecting rod 270 is mounted on the frame 100 through a bearing, and the motor 240 and the large wheel 250, and the small wheel 260 and the cylinder 120 are connected through a belt 280. The reducer 230 is simple in structure and reliable in transmission.

It is worth mentioning that the large wheel 250, the small wheel 260 and the outer surface of the cylinder 120 are provided with belt grooves for accommodating the belt 280. The belt 280 can be prevented from being separated in the working process by arranging the belt groove, and the stable work is ensured.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A ball mill, comprising:

the top of the frame (100) is provided with two oppositely arranged bearing seats (110);

the grinding device comprises a cylinder (120) which is horizontally arranged, wherein two end faces of the cylinder (120) are provided with rotating shafts (130) which are rotatably connected with a bearing seat (110), a grinding cavity (140) is arranged in the cylinder (120), a grinding body (150) for grinding materials is arranged in the grinding cavity (140), a material port (160) which is communicated with the grinding cavity (140) is arranged on the surface of the cylinder (120), and a metal filter screen (170) and a material cover (180) are sequentially arranged on the material port (160);

the driving device is used for driving the cylinder (120) to rotate.

2. A ball mill according to claim 1, characterized in that the bearing housing (110) comprises a triangular frame (190), a rotary bearing (200) arranged at the top of the triangular frame (190), the bottoms of the two triangular frames (190) are connected by a steel plate (210), and the rotary bearing (200) is connected with the rotary shaft (130).

3. A ball mill according to claim 1, characterized in that the inner wall of the grinding chamber (140) is provided with a plurality of spherical protrusions (220).

4. A ball mill according to claim 1, characterized in that the grinding bodies (150) are spherical steel balls.

5. A ball mill according to claim 4, characterized in that the aperture of the metal screen (170) is smaller than the diameter of the spherical steel balls.

6. A ball mill according to claim 1, characterized in that the material cover (180) is provided with a sealing ring.

7. A ball mill according to claim 1, characterized in that said driving means comprise a reducer (230) connected to said bowl (120), a motor (240) for rotating said reducer (230).

8. A ball mill according to claim 7, characterized in that said reducer (230) comprises a large wheel (250), a small wheel (260), a connecting rod (270) connecting said large wheel (250) and said small wheel (260), said connecting rod (270) being mounted on said frame (100) through bearings, said motor (240) and said large wheel (250), said small wheel (260) and said barrel (120) being connected through a belt (280).

9. A ball mill according to claim 8, characterized in that the large wheel (250), the small wheel (260) and the cylinder (120) are provided with a belt groove on their outer surface for accommodating the belt (280).