Shearing and dispersing assembly of grinding machine

Abstract

The shearing and dispersing assembly comprises a shearing and dispersing cylinder, a main shaft mounting hole is formed in the end of the shearing and dispersing cylinder, the size of the main shaft mounting hole is matched with the size of a driving main shaft of the grinding machine, and meanwhile a tight shearing and dispersing area is formed in the surface of the shearing and dispersing cylinder. A sparse shear dispersion area is arranged on one side of the tight shear dispersion area, four sets of open holes are evenly formed in the outer side of the end of the shear dispersion barrel, and the included angle between every two adjacent sets of open holes is 90 degrees. According to the shearing and dispersing assembly of the grinding machine, slurry can be sheared and dispersed in a tight shearing and dispersing area, and the slurry can be primarily dispersed in a relatively concentrated manner, so that the slurry is quickly crushed; due to the arrangement of the sparse shear dispersion area, a wider space is provided for further refining and uniform dispersion of the slurry after preliminary dispersion; the flow requirements of materials in different stages can be better met, and the dispersion efficiency and quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of grinding machine, concretely to a shearing dispersion subassembly of grinding machine. BACKGROUND

[0002] Ultrafine powder technology is a new technology discovered in modern times, and is an important means for preparing nanoscale materials. At present, there is no strict definition of ultrafine powder. Generally, powders with particle sizes of several nanometers to several tens of microns are collectively referred to as ultrafine powders. The preparation of ultrafine powders can be roughly divided into two methods: chemical method and mechanical crushing method. The mechanical crushing method has the characteristics of low cost, large output and simple process, and is suitable for industrialized and mass production, such as ultrafine processing of minerals, refinement of chemical materials, etc. The equipment used includes horizontal disc grinding equipment.

[0003] Regarding the horizontal disc grinding equipment, a horizontal ultrafine sand grinding device is disclosed in Chinese patent with authorization announcement No. CN211514744U. It is proposed that the servo motor drives the drive shaft and the grinding spindle, and then drives the grinding disc to rotate at high speed. The material slurry is stirred by the grinding disc and moves at high speed with the grinding medium in the grinding tank. Under the joint action of the grinding disc and the grinding medium, the material particles are subjected to strong friction, impact, extrusion and shearing, etc. and are quickly ground into powder with small particle size and uniformly dispersed. In actual use, the above-mentioned device has the following problems: the distance between the dispersion discs is too large, which will result in insufficient shearing force on the material when passing through; and the design of the disc pattern is improper, which cannot effectively grab and disperse the material. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the utility model is to provide a shearing dispersion subassembly of grinding machine to solve the defects of the above-mentioned large distance between the grinding discs in actual use, which will result in insufficient shearing force on the material when passing through; and the improper design of the disc pattern, which cannot effectively grab and disperse the material.

[0005] To achieve the above-mentioned purpose, a shearing dispersion subassembly of grinding machine is provided, which includes a shearing dispersion cylinder. The end of the shearing dispersion cylinder is provided with a main shaft mounting hole, and the size of the main shaft mounting hole is matched with the size of the driving main shaft of the grinding machine. At the same time, a tight shearing dispersion area is provided on the surface of the shearing dispersion cylinder, and a sparse shearing dispersion area is provided on one side of the tight shearing dispersion area. Four groups of holes are uniformly provided on the outside of the end of the shearing dispersion cylinder, and the included angle between adjacent two groups of holes is 90°. The tight shearing dispersion area includes a dispersion disc fixedly installed on the circumferential outer wall of the shearing dispersion cylinder, and the end of the dispersion disc is fixedly installed with an outer dispersion block and an inner dispersion block, respectively.

[0006] Preferably, eight rows of dispersion discs are uniformly arranged on the close shearing dispersion area, and the number of dispersion discs in each row is nine, the angle between the adjacent two rows of dispersion discs is consistent, and the distance between the adjacent two dispersion discs is consistent, and the eight rows of dispersion discs are in a central symmetric structure with respect to the shearing dispersion cylinder.

[0007] Preferably, four rows of dispersion discs are uniformly arranged on the sparse shearing dispersion area, and the number of dispersion discs in each row is four, the angle between the adjacent two rows of dispersion discs is consistent, and the distance between the adjacent two dispersion discs is consistent, and the four rows of dispersion discs are in a central symmetric structure with respect to the shearing dispersion cylinder.

[0008] Preferably, the dispersion disc comprises a shearing dispersion piece, and the shearing dispersion piece is in a 'Y' shape structure made of metal material, and the outer dispersion block and the inner dispersion block on the shearing dispersion piece are in an arc shape.

[0009] Preferably, an outer dispersion area is arranged between the outer dispersion block and the inner dispersion block, and an inner dispersion area is arranged on the outer circumferential wall surface of the shearing dispersion cylinder.

[0010] Preferably, a connecting shaft is fixedly installed on each row of dispersion discs, and the connecting shaft is in a cylindrical structure made of metal material.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model discloses a large number of narrow-pitch dispersion discs can be rotated at high speed, can carry out strong friction, impact, extrusion, shearing and other actions to the particulate matter in the slurry, and can rapidly grind the particulate matter into powder with small particle size and uniformly disperse, thereby completing the high-efficiency shearing dispersion work on the particulate matter in the slurry.

[0013] 2. When the slurry is gathered on the outside of the close shearing dispersion area, the eight rows of dispersion discs on the close shearing dispersion area can carry out shearing dispersion work on the slurry, and after the slurry is dispersed on the close shearing dispersion area, the slurry will flow in the sparse shearing dispersion area, and the slurry will form a specific flow mode in the close shearing dispersion area and the sparse shearing dispersion area, the slurry can be concentrated and preliminarily dispersed on the close shearing dispersion area, and the slurry can be rapidly broken, and the sparse shearing dispersion area can provide more space for the slurry to be further refined and uniformly dispersed after preliminary dispersion, so that the flow demand of the material in different stages can be better met, and the dispersion efficiency and quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the utility model structure.

[0015] Figure 2It is the bottom view of the utility model structure.

[0016] Figure 3 It is the top view of the utility model structure.

[0017] Figure 4 It is the sectional view of the utility model structure.

[0018] In the drawing, 1 is a shearing dispersion cylinder, 2 is a main shaft mounting hole, 3 is a close shearing dispersion area, 31 is a dispersion disc, 311 is a shearing dispersion piece, 312 is an outer dispersion block, 313 is an inner dispersion block, 314 is an outer dispersion area, 315 is an inner dispersion area, 32 is a connecting shaft, 4 is a sparse shearing dispersion area, and 5 is an opening. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 The utility model provides a shearing dispersion assembly of grinder, including shearing dispersion cylinder 1, the end of shearing dispersion cylinder 1 is equipped with main shaft mounting hole 2, and the size of main shaft mounting hole 2 is compatible with the size of grinder drive main shaft, at the same time, the surface of shearing dispersion cylinder 1 is equipped with close shearing dispersion area 3, and one side of close shearing dispersion area 3 is equipped with sparse shearing dispersion area 4, the end of shearing dispersion cylinder 1 is uniformly equipped with four groups of openings 5, and the included angle between adjacent two groups of openings 5 is 90 DEG, close shearing dispersion area 3 includes dispersion disc 31 fixedly installed on the circumferential outer wall of shearing dispersion cylinder 1, and the end of dispersion disc 31 is fixedly installed with outer dispersion block 312 and inner dispersion block 313 respectively.

[0020] As can be known from the above, in use, the end of shearing dispersion cylinder 1 is equipped with main shaft mounting hole 2, main shaft mounting hole 2 is fixed with grinder drive main shaft, drive main shaft is driven to rotate by motor, drives shearing dispersion cylinder 1 to rotate at high speed, shearing dispersion cylinder 1 is respectively provided with close shearing dispersion area 3 and sparse shearing dispersion area 4, the surface of close shearing dispersion area 3 and sparse shearing dispersion area 4 is provided with multiple dispersion discs 31, and the difference lies in that the number of dispersion discs 31 on sparse shearing dispersion area 4 is less than that on close shearing dispersion area 3; at the same time, a large number of narrow-pitch dispersion discs 31 can perform strong friction, impact, extrusion, shearing and other actions on the particles in slurry when rotating at high speed, and the particles are rapidly ground into powder with smaller particle size and uniformly dispersed, thereby completing the shearing dispersion work on the particles in slurry.

[0021] As a preferable implementation, eight rows of dispersion discs 31 are uniformly arranged on close shearing dispersion area 3, the number of dispersion discs 31 in each row is nine, the angle between adjacent two rows of dispersion discs 31 is consistent, the distance between adjacent two dispersion discs 31 is consistent, and the eight rows of dispersion discs 31 are in a central symmetrical structure about shearing dispersion cylinder 1.

[0022] As a preferred implementation, the sparse shear dispersion area 4 is uniformly provided with four rows of dispersion discs 31, and each row of dispersion discs 31 is provided with four dispersion discs 31, and the angle between the adjacent two rows of dispersion discs 31 is consistent, and the distance between the adjacent two dispersion discs 31 is consistent, and the four rows of dispersion discs 31 are symmetrically arranged about the shear dispersion cylinder 1.

[0023] As a preferred implementation, the dispersion disc 31 comprises a shear dispersion piece 311, and the shear dispersion piece 311 is a "Y" shaped structure made of metal material, and the outer dispersion block 312 and the inner dispersion block 313 on the shear dispersion piece 311 are both arc-shaped.

[0024] As can be seen from the above, in use, when the slurry is gathered around the outside of the dense shear dispersion area 3, the eight rows of dispersion discs 31 on the dense shear dispersion area 3 can perform shear dispersion work on the slurry; when the slurry is dispersed on the dense shear dispersion area 3, it will naturally flow in the area of the sparse shear dispersion area 4, and the dispersion space of the sparse shear dispersion area 4 is larger than that of the dense shear dispersion area 3, and the slurry will form a specific flow pattern in the dense shear dispersion area 3 and the sparse shear dispersion area 4; the slurry will be sheared and dispersed on the dense shear dispersion area 3, which can preliminarily disperse the slurry more concentratedly, so that the slurry can be rapidly broken; and the sparse shear dispersion area 4 provides a wider space for the slurry to be further refined and uniformly dispersed after preliminary dispersion; it can better adapt to the flow requirements of the material at different stages, improve the efficiency and quality of dispersion; each row of dispersion discs 31 is fixedly installed with a connecting shaft 32, and the connecting shaft 32 is a cylindrical structure made of metal material; each row of dispersion discs 31 is fixedly installed with a connecting shaft 32, and the connecting shaft 32 is a cylindrical structure, which can reinforce the row of dispersion discs 31 and ensure the stability of the dispersion discs 31 during work.

[0025] As a preferred implementation, the outer dispersion block 312 and the inner dispersion block 313 are provided with an outer dispersion area 314, and the inner dispersion block 313 is provided with an inner dispersion area 315 on the outer circumferential wall surface of the shear dispersion cylinder 1.

[0026] As a preferred implementation, each row of dispersion discs 31 is fixedly installed with a connecting shaft 32, and the connecting shaft 32 is a cylindrical structure made of metal material.

[0027] Working principle: the end of the shearing dispersion cylinder 1 is provided with a main shaft mounting hole 2, the main shaft mounting hole 2 is fixed with a grinding machine driving main shaft, the driving main shaft is driven to rotate through a motor, drives the shearing dispersion cylinder 1 to rotate at high speed, the shearing dispersion cylinder 1 is respectively provided with a close shearing dispersion area 3 and a sparse shearing dispersion area 4, a plurality of dispersion discs 31 are arranged on the surface of the close shearing dispersion area 3 and the sparse shearing dispersion area 4, the difference lies in that the number of the dispersion discs 31 on the sparse shearing dispersion area 4 is less than that on the close shearing dispersion area 3;When a large number of narrow-pitch dispersion discs 31 rotate at high speed, the particles in the slurry can be subjected to strong friction, impact, extrusion, shearing and other effects, and are rapidly ground into powder with smaller particle size and uniformly dispersed, completing the shearing dispersion work of the particles in the slurry;When the slurry gathers around the outside of the close shearing dispersion area 3, the eight rows of dispersion discs 31 on the close shearing dispersion area 3 can perform shearing dispersion work on the slurry;When the slurry is dispersed on the close shearing dispersion area 3, it will flow naturally in the area of the sparse shearing dispersion area 4, the dispersion space on the sparse shearing dispersion area 4 is larger than that on the close shearing dispersion area 3, and the slurry will form a specific flow pattern in the close shearing dispersion area 3 and the sparse shearing dispersion area 4;The slurry can be sheared and dispersed on the close shearing dispersion area 3, which can preliminarily disperse the slurry more concentratedly, so that the slurry can be rapidly broken;The sparse shearing dispersion area 4 provides more space for the slurry to be further refined and uniformly dispersed after preliminary dispersion;It can better adapt to the flow requirements of the material at different stages, improve the efficiency and quality of dispersion;Each row of dispersion discs 31 is fixedly provided with a connecting shaft 32, and the connecting shaft 32 is a cylindrical structure made of metal material;Each row of dispersion discs 31 is fixedly provided with a connecting shaft 32, and the connecting shaft 32 is a cylindrical structure, the connecting shaft 32 can reinforce the row of dispersion discs 31, and ensure the stability of the dispersion discs 31 during work.

[0028] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it is understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. A shear dispersion assembly of a grinder comprising a shear dispersion cartridge (1), characterized in that: The end of the shearing dispersion cylinder (1) is provided with a main shaft mounting hole (2), the size of the main shaft mounting hole (2) is matched with the size of the driving main shaft of the grinder, the surface of the shearing dispersion cylinder (1) is provided with a close shearing dispersion area (3), one side of the close shearing dispersion area (3) is provided with a sparse shearing dispersion area (4), the outer side of the end of the shearing dispersion cylinder (1) is uniformly provided with four groups of openings (5), the included angle between two adjacent groups of openings (5) is 90°, the close shearing dispersion area (3) comprises a dispersion disc (31) fixedly installed on the circumferential outer wall of the shearing dispersion cylinder (1), and the end of the dispersion disc (31) is fixedly provided with an outer dispersion block (312) and an inner dispersion block (313).

2. A shear dispersion assembly for a mill according to claim 1, wherein: The close shearing dispersion area (3) is uniformly provided with eight rows of dispersion discs (31), the number of dispersion discs (31) in each row is nine, the angle between two adjacent rows of dispersion discs (31) is consistent, the distance between two adjacent dispersion discs (31) is consistent, and the eight rows of dispersion discs (31) are centrally symmetric about the shearing dispersion cylinder (1).

3. A shear dispersion assembly for a mill according to claim 1, wherein: The sparse shearing dispersion area (4) is uniformly provided with four rows of dispersion discs (31), the number of dispersion discs (31) in each row is four, the angle between two adjacent rows of dispersion discs (31) is consistent, the distance between two adjacent dispersion discs (31) is consistent, and the four rows of dispersion discs (31) are centrally symmetric about the shearing dispersion cylinder (1).

4. A shear dispersion assembly for a mill according to claim 1, wherein: The dispersion disc (31) comprises a shearing dispersion piece (311), the shearing dispersion piece (311) is made of metal material and has a "Y" shape structure, and the outer dispersion block (312) and the inner dispersion block (313) on the shearing dispersion piece (311) are both arranged in an arc shape.

5. A shear dispersion assembly for a grinder as defined in claim 4, wherein: The outer dispersion block (312) and the inner dispersion block (313) are provided with an outer dispersion area (314), and the inner dispersion block (313) and the circumferential outer wall surface of the shearing dispersion cylinder (1) are provided with an inner dispersion area (315).

6. A shear dispersion assembly for a grinder according to claim 2 or 3, wherein: Each row of dispersion discs (31) is fixedly provided with a connecting shaft (32), and the connecting shaft (32) is made of metal material and has a cylindrical structure.

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