CN203355819U - Crusher - Google Patents

Abstract

The utility model discloses a crusher, wherein, this crusher is including casing (3) and rotationally rotor (4) that set up in this casing (3) that have feed inlet (1) and discharge gate (2) arranged along the direction of height, the axis of revolution of rotor (4) is arranged along the direction of height. The crusher has the advantages of simple structure, small volume and good crushing effect.

Description

Crusher

technical field

The utility model relates to the field of crushing machinery, in particular to a crusher.

Background technique

At present, the small pulverizers used in the industrial field are mostly claw pulverizers and vertical pulverizers. The larger roller extrusion pulverizers are mostly used in coal, stone and other mines. The pulverization efficiency is high and it has a screening function. It can effectively crush large stones and coal into smaller pieces or small particles to meet the requirements of use.

In metallurgy, mining, chemical industry, cement and other industrial production, it is often necessary to use a crusher to crush a large number of raw materials to achieve the required particle size and increase the surface area of the material, so as to carry out subsequent processing and production, such as shortening the chemical reaction of the material. time. For example, in a mineral processing plant, in order to separate the useful minerals and impurities in the ore, it is necessary to use a crusher to crush the raw ore to the particle size required by the grinding process; in coking plants, sintering plants, ceramic plants, glass industry, In industrial production such as powder metallurgy, it is necessary to use a crusher to crush the raw material to the particle size required by the next step.

However, the structure of the existing crushers is relatively complicated, resulting in a huge volume of the crushers, which cannot be used in many indoor or narrow working occasions. In addition, the crushing effect of the existing crusher is not good, so that the materials cannot be completely crushed and the particle size is relatively large.

Utility model content

The purpose of the utility model is to provide a crusher, which has a simple structure, a small volume and a good crushing effect.

In order to achieve the above object, the utility model provides a crusher, wherein, the crusher includes a casing with a feed inlet and a discharge outlet arranged along the height direction and a rotor rotatably arranged in the casing, the The axis of rotation of the rotor is arranged along the height direction.

Preferably, the rotor includes a rotating shaft arranged along the rotation axis and a cone fixed on the rotating shaft, and the outer surface of the cone is arranged facing the feed inlet at the top of the casing.

Preferably, the rotor is formed as a hollow umbrella structure.

Preferably, the cone has a plurality of teeth and is formed as a bevel gear configuration.

Preferably, a plurality of blades are respectively installed on the tooth surfaces of the same side of the plurality of teeth.

Preferably, the blade is rectangular.

Preferably, a plurality of protrusions are provided on the inner wall of the housing.

Preferably, said plurality of protrusions are located on said inner wall opposite said cone.

Preferably, the lower end of the rotor is separated from the inner wall of the housing, and the crusher further includes a screen, which is arranged in the housing and below the rotor, and the discharge port is located at the below the screen.

Preferably, the housing also has a material return port, which is located above the screen, and the edge of the screen is formed to match the shape of the housing, so that the The inner cavity is divided into two parts, and the screen is fixedly connected with the rotating shaft.

Preferably, the screen mesh is formed as a downwardly contracting arc surface.

Through the above technical scheme, the material enters the interior of the housing through the feed port, and then collides with the rotor to be broken, and under the action of the centrifugal force of the rotor, the material undergoes high-speed centrifugal motion and collides with the inner wall of the housing again, and the material is further crushed. Crushing, and finally the material is discharged from the discharge port to the outside of the shell for further processing. Due to the centrifugal effect of the rotor and the fast speed, the material moves faster and has greater kinetic energy, so when it collides with the inner wall of the shell, it is more thoroughly crushed, so that the material has a better crushing effect and a smaller particle size. The structure of the whole crusher is simple, the volume is small, and it can be adapted to different application occasions.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, together with the following specific embodiments, are used to explain the utility model, but do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is the three-dimensional exploded view of the crusher of the specific embodiment of the present invention;

Fig. 2 is the sectional view of the crusher of the specific embodiment of the present invention;

Fig. 3 is the front view of the crusher of the specific embodiment of the present invention;

Fig. 4 is a perspective view of the rotor of the crusher according to the specific embodiment of the present invention.

Explanation of reference signs

1 material inlet 2 material outlet

3 Housing 4 Rotor

5 Rotating shaft 6 Cone

7 Blade 8 Raised

9 Screen Mesh 10 Return Port

11 teeth

Detailed ways

The specific embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not intended to limit the utility model.

As shown in Fig. 1 and Fig. 2, the specific embodiment of the present invention provides a crusher, wherein, the crusher includes a housing 3 with a feed port 1 and a discharge port 2 arranged along the height direction and a rotatable The rotor 4 is arranged in the casing 3, and the rotation axis of the rotor 4 is arranged along the height direction.

The material enters the interior of the shell 3 through the feed port 1, and then collides with the rotor 4 to be broken, and under the action of the centrifugal force of the rotor 4, the material undergoes high-speed centrifugal motion and collides with the inner wall of the shell 3 again, and the material is further crushed. Crushing, and finally the material is discharged from the discharge port 2 to the outside of the shell 3 for further processing. Due to the centrifugal effect of the rotor 4 and its high speed, the material moves faster and has greater kinetic energy. Therefore, when it collides with the inner wall of the housing 3, it is completely crushed, so that the crushing effect of the material is better and the particle size is smaller. The structure of the whole crusher is simple, the volume is small, and it can be adapted to different application occasions.

The rotor 4 can adopt various structures and arrangements. In order to further increase the collision area between the material and the rotor 4, as shown in Figure 2 and Figure 4, preferably, the rotor 4 includes The rotating shaft 5 and the cone 6 fixed on the rotating shaft 5 are driven to rotate by the motor to drive the cone 6 to perform a rotary motion. The tip of the cone 6 is arranged upward and the bottom end is downward, and the bottom end is separated from the inner wall of the housing 3 . The outer surface of the cone 6 is set towards the feed inlet 1 at the top of the housing 3, so that the materials falling through the feed inlet 1 will fall to the outer surface of the cone 6 and the cone 6 Collision occurs, thereby playing the role of breaking. In addition, due to the shape of the cone 6, which is small at the top and large at the bottom, the material will collide with the cone 6 again after the first collision with the cone 6 and then slide down, thus increasing the collision probability of the material and the rotor 4, thereby improving the crushing effect .

In order to reduce the weight of the cone 6, as shown in Figure 2 and Figure 4, preferably, the rotor 4 is formed as a hollow umbrella structure, and a plurality of support rods can be set between the cone 6 and the rotating shaft 5 to support The cone 6 improves the structural strength while saving materials, reducing the weight of the cone 6 and reducing the energy consumption of the driving motor.

In order to further improve the crushing effect of the material, as shown in Fig. 1-Fig. 2 and Fig. 4, preferably, a plurality of blades 7 are installed on the outer surface of the cone 6, and the plurality of blades 7 are fixed on the cone 6, And various arrangements and installation methods can be adopted, so that the material can be crushed by direct contact with the blade 7, improving the crushing effect, and reducing the damage of the material to the rotor 4 at the same time, so as to protect the rotor 4.

In order to improve the centrifugal effect of the rotor 4 on the material, as shown in Figure 4, preferably, the cone 6 has a plurality of teeth 11 and is formed as a bevel gear structure, and the plurality of teeth 11 extend from the tip of the cone 6 to the bottom And it has a certain inclination angle, so that it can adapt to the materials that slide down, so that the materials can move along the direction of rotation and perform centrifugal motion. As shown in FIG. 4 , preferably, the blades 7 are roughly formed in a rectangular strip shape, and the plurality of blades 7 are respectively installed on the tooth surfaces of the same side of the plurality of teeth 11, that is, installed on the teeth 11 facing forward. The tooth surface of the feed port 1, so that the material can contact the blade 7 after falling from the feed port 1, and then be chopped by the blade 7, so as to improve the crushing effect of the material.

In order to further improve the crushing probability of the material and reduce the crushing particle size, as shown in Figure 1 and Figure 2, preferably, the inner wall of the housing 3 is provided with a plurality of protrusions 8, when the material collides with the inner wall of the housing 3 , can collide with the protrusions 8 arranged in dots, thereby further crushing and improving the overall crushing effect.

As shown in Figure 2, due to the action of centrifugal force, the material mainly collides with the inner wall opposite to the cone 6, preferably, the plurality of protrusions 8 are located on the inner wall opposite to the cone 6, Therefore, most of the materials moving under the action of the centrifugal force of the rotor 4 will come into contact with the protrusions 8, thereby improving the crushing effect.

In order to screen the crushed material, as shown in Figure 1 and Figure 2, preferably, the lower end of the rotor 4 is separated from the inner wall of the housing 3, and the material is crushed by the rotor 4 and the inner wall from the rotor 4 and the inner wall of the housing 3 slide down, and the crusher also includes a screen 9, which is set in the housing 3 and below the rotor 4, and the crushed materials are finally falls on the screen 9, the screen 9 screens the material, the discharge port 2 is located below the screen 9, the material passing through the screen 9 is discharged from the discharge port 2, and the material that does not pass through the screen 9 The material can enter the shell 3 again from the feed port 1 for crushing and processing to reach the required size.

In order to facilitate the discharge of materials that do not pass through the screen 9, as shown in Figures 1-3, preferably, the housing 3 also has a material return port 10, which is located above the screen 9 and located On the side wall of the housing 3, the edge of the screen 9 is formed into a shape that matches the housing 3, so as to divide the inner cavity of the housing 3 into two parts, and the screen 9 and the The rotating shaft 5 is fixedly connected, and the screen 9 can rotate with the rotating shaft 5, thereby generating centrifugal force on the materials that do not pass through the screen 9, so that the materials with larger particle size are thrown to the return port 10, and then discharged from the return port 10 Then process again.

As shown in Figure 2, preferably, the screen 9 is formed as a downwardly contracted arc surface, that is, a downwardly concave arc surface, so that the centrifugal force generated by the screen 9 on the material is greater, and it is easier to displace a larger The granular material is thrown to the feeding port 10.

The preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the specific details of the above-mentioned embodiment, and within the scope of the technical concept of the utility model, the technical solution of the utility model can be carried out in many ways. These simple modifications all belong to the protection scope of the present utility model.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way if there is no contradiction. The combination method will not be explained separately.

In addition, any combination of various implementations of the present invention can also be made, as long as they do not violate the idea of the present invention, they should also be regarded as the disclosed content of the present invention.

Claims (11)

1. A crusher, characterized in that the crusher includes a housing (3) with a feed inlet (1) and a discharge outlet (2) arranged along the height direction, and a housing (3) rotatably arranged on the housing ( 3) The inner rotor (4), the rotation axis of the rotor (4) is arranged along the height direction. the 2. The crusher according to claim 1, characterized in that, the rotor (4) comprises a shaft (5) arranged along the axis of rotation and a cone (6) fixed on the shaft (5), The outer surface of the cone (6) is arranged towards the feed inlet (1) at the top of the casing (3). the 3. The crusher according to claim 2, characterized in that the rotor (4) is formed as a hollow umbrella-like structure. the 4. The crusher according to claim 2, characterized in that the cone (6) has a plurality of teeth (11) and is formed as a bevel gear structure. the 5. The crusher according to claim 4, characterized in that, a plurality of blades (7) are respectively installed on the tooth surfaces of the same side of the plurality of teeth (11). the 6. The crusher according to claim 5, characterized in that, the blade (7) is rectangular. the 7. The crusher according to any one of claims 2-6, characterized in that, a plurality of protrusions (8) are arranged on the inner wall of the casing (3). the 8. The crusher according to claim 7, characterized in that the plurality of protrusions (8) are located on the inner wall opposite to the cone (6). the 9. The crusher according to any one of claims 2-6, characterized in that, the lower end of the rotor (4) is separated from the inner wall of the housing (3), and the crusher also includes a screen A net (9), the screen (9) is arranged in the casing (3) and located below the rotor (4), and the discharge port (2) is located below the screen (9). the 10. The crusher according to claim 9, characterized in that, the housing (3) also has a material return port (10), and the material return port (10) is located above the screen (9), The edge of the screen (9) is formed to match the shape of the housing (3), so as to divide the inner chamber of the housing (3) into two parts, and the screen (9) is connected with The rotating shaft (5) is fixedly connected. the 11. The crusher according to claim 10, characterized in that, the screen (9) is formed as a downwardly contracting arc surface. the

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