Ball grinding machine with rapid screening function
By designing the inclined screening cylinder and baffle in the ball mill, the rolling speed and time of the material is controlled, and the problem of incomplete screening of traditional ball mills is solved, achieving a more efficient material screening effect.
Patent Information
- Application Number
- CN202421908877.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The screening device of traditional ball mills is screened through a shaking screen, resulting in the incomplete screening of materials, and there are still small particles on the top of the screen that cannot be screened off. Secondary screening is required, which reduces work efficiency.
A fast screening grinder is designed, using an inclined screening cylinder, the material rolls from top to bottom, the screen screens the material, the baffle blocks the rolling speed of the material, and the transmission gear drives the screening cylinder to rotate, extending the residence time of the material on the screen and improving the screening effect.
Through the design of the inclined screening cylinder and baffle, the rolling speed and time of the material in the screening cylinder can be controlled, which improves the thoroughness and efficiency of the material screening and reduces the need for secondary screening.
Smart Images
Figure CN223010710U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ball mills, in particular to a ball mill with rapid screening. Background Art
[0002] A ball mill, also known as a grinding mill, is a key device for crushing materials and then pulverizing them. This type of grinding mill is equipped with a certain number of steel balls in its cylinder as grinding media. The device is mainly applied in industries such as cement, silicate products, new building materials, non-ferrous metal beneficiation, and glass ceramics, for dry or wet grinding of various ores and other grindable materials.
[0003] The existing ball mill installs a screening device at the discharge port of the cylinder to screen the crushed materials. However, the traditional screening device of the ball mill generally screens by shaking the screen mesh, resulting in incomplete screening of the materials by the screening device. There are still smaller particles remaining on the top of the screen mesh that cannot be screened out, and the materials need to be screened a second time, thus reducing the working efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem that the traditional screening device of the ball mill generally screens by shaking the screen mesh, resulting in incomplete screening of the materials by the screening device. There are still smaller particles remaining on the top of the screen mesh that cannot be screened out, and the materials need to be screened a second time, thus reducing the working efficiency. A ball mill with rapid screening is proposed.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A ball mill with rapid screening, including a mounting frame and a base. The top of the mounting frame is movably installed with a ball mill main body. The top of the base is in an inclined state. A receiving groove is opened on the top of the base. The top of the base is respectively fixedly connected with a positioning frame one and a positioning frame two. The positioning frame one and the positioning frame two are respectively located on both sides of the receiving groove. A screening cylinder is arranged on the top of the base. Through holes are opened on the side surface of the screening cylinder. An installation groove is opened on one side of the outer wall of the base. A driving motor is fixedly installed inside the installation groove.
[0006] Preferably, the surface of the screening cylinder is respectively provided with a framework and a screen mesh. The screen mesh is fixedly installed inside the framework. Bearing sleeves one and two are respectively movably installed on the surface of the screening cylinder.
[0007] Preferably, the bearing sleeve one is fixedly installed on the inner wall of the positioning frame one, and the bearing sleeve two is fixedly installed on the inner wall of the positioning frame two.
[0008] Preferably, the screen mesh is located horizontally above the receiving groove. The screening cylinder is in an inclined state. One end of the surface of the screening cylinder is fixedly installed with a driven gear.
[0009] Preferably, a transmission gear is fixedly installed on the output shaft of the drive motor, and the top of the transmission gear is engaged with the bottom of the driven gear by teeth.
[0010] Preferably, a baffle is fixedly installed on the inner wall of the through hole.
[0011] Preferably, the baffle is spiral, and the side surface of the baffle is closely attached to the inside of the screen mesh.
[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows.
[0013] 1. In the present utility model, by arranging the screening cylinder obliquely, when the material enters the inside of the screening cylinder, it can roll from top to bottom, and the screen mesh installed on the surface of the screening cylinder can screen and separate the material rolling inside the through hole.
[0014] 2. In the present utility model, the baffle installed inside the screening cylinder can block the material, preventing the material from rolling too fast inside the screening cylinder so that the material cannot be fully screened. The transmission gear and the driven gear are meshed with each other, enabling the drive motor to drive the screening cylinder to rotate, and the material inside the screening cylinder to flow along with the baffle, thereby increasing the screening time of the material and improving the screening effect of the material. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a schematic perspective view of the main body of a ball mill for rapid screening proposed by the present utility model;
[0016] Figure 2 is a schematic perspective view of the screening cylinder of a ball mill for rapid screening proposed by the present utility model;
[0017] Figure 3 is a schematic view of the baffle installation structure of a ball mill for rapid screening proposed by the present utility model;
[0018] Figure 4 is a schematic view of the transmission gear installation structure of a ball mill for rapid screening proposed by the present utility model.
[0019] Legend: 1. Mounting frame; 11. Ball mill main body; 2. Base; 201. Material receiving groove; 202. Installation groove; 21. Positioning frame one; 22. Positioning frame two; 3. Screening cylinder; 301. Through hole; 31. Skeleton; 32. Screen mesh; 33. Bearing sleeve one; 34. Bearing sleeve two; 35. Driven gear; 36. Baffle; 4. Drive motor; 41. Transmission gear. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0021] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification. Embodiment
[0022] As Figures 1-4 shown, the present utility model provides a technical solution: a ball mill for rapid screening, including a mounting frame 1 and a base 2. The top of the mounting frame 1 is movably installed with a ball mill main body 11. The top of the base 2 is in an inclined state. A material receiving groove 201 is opened at the top of the base 2. A positioning frame one 21 and a positioning frame two 22 are respectively fixedly connected to the top of the base 2. The positioning frame one 21 and the positioning frame two 22 are respectively located on both sides of the material receiving groove 201. A screening cylinder 3 is provided at the top of the base 2. A through hole 301 is opened on the side surface of the screening cylinder 3. An installation groove 202 is opened on one side of the outer wall of the base 2. A driving motor 4 is fixedly installed inside the installation groove 202. A skeleton 31 and a screen 32 are respectively provided on the surface of the screening cylinder 3. The screen 32 is fixedly installed inside the skeleton 31. A bearing sleeve one 33 and a bearing sleeve two 34 are respectively movably installed on the surface of the screening cylinder 3.
[0023] In this embodiment, the material after being crushed by the ball mill main body 11 falls into the screening cylinder 3 from the discharge port. The material rolls from top to bottom inside the screening cylinder 3. The screen 32 screens the material. The smaller material passes through the screen 32 and falls into the material receiving groove 201, while the larger material continues to roll inside the screening cylinder 3 and falls from the bottom of the through hole 301, realizing the screening of the size of the material. Embodiment
[0024] As Figures 1-4 shown, the bearing sleeve one 33 is fixedly installed on the inner wall of the positioning frame one 21, the bearing sleeve two 34 is fixedly installed on the inner wall of the positioning frame two 22. The screen 32 is located horizontally above the material receiving groove 201. The screening cylinder 3 is in an inclined state. One end of the surface of the screening cylinder 3 is fixedly installed with a driven gear 35. The output shaft of the driving motor 4 is fixedly installed with a transmission gear 41. The top of the transmission gear 41 is engaged with the bottom of the driven gear 35 by teeth. A baffle 36 is fixedly installed on the inner wall of the through hole 301. The baffle 36 is spiral. The side surface of the baffle 36 is closely attached to the inside of the screen 32.
[0025] In this embodiment, when the material enters the inside of the screening cylinder 3, the material is blocked by the baffle 36 and is located on one side of the baffle 36. The driving motor 4 drives the transmission gear 41 to rotate. The transmission gear 41 meshes with the driven gear 35 to make the screening cylinder 3 rotate accordingly. The surface of the screening cylinder 3 rotates inside the bearing sleeve one 33 and the bearing sleeve two 34 respectively. The material rolls downward following the rotation of the baffle 36. By controlling the rotation speed of the screening cylinder 3, the flow rate of the material inside the screening cylinder 3 can be adjusted. The longer the residence time of the material at the top of the screen 32 can improve the screening effect of the material and prevent the material from rolling too fast to be fully screened.
[0026] The working principle of this embodiment: The material crushed by the ball mill main body 11 falls from the discharge port into the inside of the screening cylinder 3. The material is blocked by the baffle 36 and is located on one side of the baffle 36. The driving motor 4 drives the transmission gear 41 to rotate. The transmission gear 41 meshes with the driven gear 35 to make the screening cylinder 3 rotate accordingly. The material rolls downward following the rotation of the baffle 36. The material rolls from the top to the bottom of the screening cylinder 3. The screen 32 screens the material. The smaller material passes through the screen 32 and falls into the inside of the receiving trough 201, while the larger material continues to roll inside the screening cylinder 3 and falls from the bottom of the through hole 301, realizing the size screening of the material.
[0027] The above is only a preferred embodiment of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims
1. A rapid screening ball grinding machine, comprising a mounting frame (1) and a base (2), characterized in that: A ball mill body (11) is movably mounted on the top of the mounting frame (1); the top of the base (2) is in an inclined state; a material receiving trough (201) is provided on the top of the base (2); a first positioning frame (21) and a second positioning frame (22) are respectively fixedly connected to the top of the base (2); the first positioning frame (21) and the second positioning frame (22) are respectively located on two sides of the material receiving trough (201); a screening drum (3) is provided on the top of the base (2); a through hole (301) is provided on a side of the screening drum (3); a mounting groove (202) is provided on one side of an outer wall of the base (2); a driving motor (4) is fixedly mounted inside the mounting groove (202).
2. A rapid screening ball grinding machine according to claim 1, characterized in that: The surface of the screening cylinder (3) is provided with a frame (31) and a screen (32), the screen (32) is fixedly mounted on the inner side of the frame (31), and the surface of the screening cylinder (3) is movably mounted with a first bearing sleeve (33) and a second bearing sleeve (34).
3. A rapid screening ball grinding machine according to claim 2, characterized in that: The bearing sleeve 1 (33) is fixedly mounted on the inner wall of the positioning frame 1 (21), and the bearing sleeve 2 (34) is fixedly mounted on the inner wall of the positioning frame 2 (22).
4. A rapid screening ball grinding machine according to claim 2, characterized in that: The screen (32) is located above the level of the material receiving trough (201), the screening drum (3) is in an inclined state, and a driven gear (35) is fixedly mounted on one end of the surface of the screening drum (3).
5. A rapid screening ball grinding machine according to claim 1, characterized in that: A transmission gear (41) is fixedly mounted on the output shaft of the driving motor (4), and the top of the transmission gear (41) is meshed with the bottom teeth of the driven gear (35).
6. A rapid screening ball grinding machine according to claim 1, characterized in that: A baffle (36) is fixedly mounted on the inner wall of the through hole (301).
7. A rapid screening ball grinding machine according to claim 6, characterized in that: The baffle (36) is spiral-shaped, and the side surface of the baffle (36) is tightly fitted to the inside of the screen (32).