Superfine powder jet mill

By designing a crushing assembly including blocking nets and crushing teeth in the airflow crusher, as well as a feeding assembly, the problems of low crushing efficiency and poor grading processing in the existing airflow crusher are solved, and efficient material crushing and grading processing are achieved.

CN222816979UActive Publication Date: 2025-05-02上海欣峰制药有限公司

Patent Information

Application Number
CN202421296113.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-05-02
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing airflow crushers have shortcomings in terms of crushing efficiency and grading treatment, and the material is prone to drop near the supersonic nozzle, resulting in low crushing efficiency and blockage of the graded rotor.

Method used

An ultrafine powder airflow crusher is designed, including a crushing assembly and a feeding assembly. The crushing assembly includes multiple sets of crushing teeth, blocking nets, air compressors and supersonic nozzles. Through the coordination of the blocking nets and crushing teeth, ultra-fine crushing of materials can be achieved; the feeding assembly ensures uniform transportation and grading of materials through feeding barrels, graded rotors and discharge pipes.

Benefits of technology

Improves crushing efficiency, prevents material from clogging the graded rotor, ensures smoothness of grading processing, and prevents material from falling near supersonic nozzles through blocking nets.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222816979U_ABST
    Figure CN222816979U_ABST
Patent Text Reader

Abstract

The utility model discloses a superfine powder jet mill which comprises a base, a crushing tank, a crushing component and a feeding component, and the crushing tank is mounted above the base. The crushing assembly is arranged, under the arrangement of a blocking net, materials are prevented from falling to the position close to a supersonic nozzle, crushing of the supersonic nozzle is affected, or the supersonic nozzle is blocked, the height of a cleaning brush and the height of an air nozzle can be adjusted through an electric push rod, and under the arrangement of the cleaning brush and the air nozzle, a grading rotor can be cleaned; under the arrangement of an air compressor and a supersonic nozzle, the materials entering the crushing tank are accelerated to impact and collide with crushing teeth repeatedly, superfine crushing of the materials is achieved, a first motor is used for driving a worm to rotate, the worm rotates to drive a worm gear to rotate, the worm gear rotates to drive a vertical rod to rotate, and the vertical rod rotates to drive the grading rotor to rotate; and the vertical rod rotates to drive the crushing wheel to rotate, and under the cooperation of crushing teeth, the materials are efficiently and fully crushed, so that the overall processing efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field related to air flow pulverizers, in particular to an ultrafine powder air flow pulverizer. Background Art

[0002] Airflow pulverizer is a kind of equipment which uses high-speed airflow to realize ultrafine grinding of dry materials. It is composed of grinding nozzle, grading rotor, spiral feeder, etc. It is widely used in western medicine, traditional Chinese medicine, pesticide, chemical industry, metallurgy, non-metallic minerals and other fields. Airflow pulverizer has the advantages of low energy consumption, small wear and tear, and can grind flammable and explosive materials.

[0003] The prior art has the following deficiencies: the prior art "a kind of traditional Chinese medicine ultrafine powder airflow pulverizer" with publication number CN211838330U "includes a base, a support ring is fixed to one side of the top outer wall of the base by screws, and a pulverizing cylinder is arranged on the inner wall of the support ring, shock-absorbing cylinders are arranged at the four corners of the bottom outer wall of the base, and a piston is slidably connected to the inner wall of the shock-absorbing cylinder, a shock-absorbing rod is fixed to the bottom outer wall of the piston by screws, and a buffer spring is sleeved on the outer wall of the shock-absorbing rod, and a support plate is fixed to the bottom end of the shock-absorbing rod by screws, an air compressor is fixed to the other side of the top outer wall of the base by screws, and an air pipe is sleeved on the output end of the air compressor";

[0004] The above-mentioned equipment uses supersonic nozzles and crushing teeth to crush the materials, but it takes a long time to complete the crushing or requires a large amount of airflow if the airflow alone causes the materials to collide with the crushing teeth. The overall crushing efficiency is poor. At the same time, long-term use can easily cause blockage of the grading rotor, affecting the grading treatment of the materials. There is a lack of a blocking structure between the material inlet and the supersonic nozzle, and the material is easy to fall near the supersonic nozzle. Utility Model Content

[0005] The utility model aims to provide an ultrafine powder airflow pulverizer to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an ultrafine powder airflow pulverizer, comprising a base, a pulverizing tank, a pulverizing assembly and a feeding assembly, wherein the pulverizing tank is installed above the base, the pulverizing assembly is installed in the pulverizing tank, and the feeding assembly is installed on the side wall of the pulverizing tank;

[0007] The crushing assembly includes multiple groups of crushing teeth, a barrier net, an air compressor and a supersonic nozzle. The multiple groups of crushing teeth are welded and installed on the inner wall of the crushing tank. The barrier net is installed in the crushing tank by snap-on connection. The air compressor is installed on one side of the top of the base by bolts, and the supersonic nozzle is installed at the output end of the air compressor.

[0008] As a further preferred embodiment of the present technical solution, the crushing assembly also includes multiple groups of electric push rods, a fixed plate, a cleaning brush, multiple groups of air nozzles and a processing part. The multiple groups of electric push rods are installed on the top of the crushing tank by bolts, the fixed plate is installed on the output end of the electric push rods, the cleaning brush is installed on the bottom of the fixed plate by bolts, the multiple groups of air nozzles are evenly distributed and installed on the bottom of the fixed plate, and the processing part is installed in the crushing tank.

[0009] As a further preferred embodiment of the present technical solution, the processing part includes multiple groups of No. 1 motors, worms, vertical rods, worm gears and multiple groups of crushing wheels, multiple groups of No. 1 motors are installed on the side walls of the crushing tank by bolts, the worms are installed on the output end of the No. 1 motor, the vertical rod is rotatably installed in the crushing tank, the worm gear is sleeved on the outside of the vertical rod, and multiple groups of crushing wheels are sleeved on the outside of the vertical rod.

[0010] As a further preferred embodiment of the present technical solution, the cleaning brush is fitted to the grading rotor, and a plurality of groups of the air nozzles are connected to an air pump.

[0011] As a further preferred embodiment of the present technical solution, the worm and the worm wheel are meshed for transmission, and the crushing wheel and the crushing teeth are arranged correspondingly.

[0012] As a further preferred embodiment of the present technical solution, the feeding assembly includes a feeding barrel, a feeding hopper, a No. 2 motor, a feeding rod, a No. 3 motor, a grading rotor and a discharge pipe, the feeding barrel is installed through the side wall of the crushing tank, the feeding hopper is installed through the top of the feeding barrel, the No. 2 motor is installed on the side wall of the feeding barrel by bolts, the feeding rod is installed on the output end of the No. 2 motor, the No. 3 motor is installed on the side wall of the crushing tank by bolts, the grading rotor is installed on the output end of the No. 3 motor, and the discharge pipe is installed through the side wall of the crushing tank.

[0013] As a further preferred embodiment of the present technical solution, the feeding cylinder is opened at one end, the feeding rod is in a spiral structure, the grading rotor is in a mesh structure, the grading rotor is opened at one end, and the grading rotor is arranged corresponding to the discharge pipe.

[0014] The utility model provides an ultrafine powder airflow pulverizer, which has the following beneficial effects:

[0015] (1) The utility model is provided with a crushing assembly. Under the setting of the blocking net, the material is prevented from falling near the supersonic nozzle, which would affect the crushing or cause the supersonic nozzle to be blocked. The electric push rod can be used to adjust the height of the cleaning brush and the air nozzle. Under the setting of the cleaning brush and the air nozzle, the grading rotor can be cleaned to prevent the material from causing the grading rotor to be blocked. Under the setting of the air compressor and the supersonic nozzle, the material entering the crushing tank is accelerated to repeatedly impact and collide with the crushing teeth, thereby achieving ultra-fine crushing of the material. The No. 1 motor is used to drive the worm to rotate, the rotation of the worm drives the worm wheel to rotate, the rotation of the worm wheel drives the vertical rod to rotate, and the rotation of the vertical rod drives the crushing wheel to rotate. With the cooperation of the crushing teeth, the material is efficiently and fully crushed, thereby improving the overall processing efficiency.

[0016] (2) The utility model is provided with a feeding assembly, and the material can be put into the feeding barrel from the feeding hopper. The feeding rod is driven by the No. 2 motor to rotate to transport the material in the feeding barrel, thereby avoiding the blockage of the material. At the same time, the material can be evenly transported, which is conducive to the subsequent crushing. The classification rotor is driven by the No. 3 motor to rotate to generate centrifugal force, so that the crushed material passes through the classification rotor and flows out of the discharge pipe, while the uncrushed material falls to the bottom again to continue the impact crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the crushing component of the utility model;

[0019] Figure 3 This is a schematic diagram of the processing unit structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the cleaning brush and air nozzle structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the feeding assembly of the utility model.

[0022] In the figure: 1. Base; 2. Crushing tank; 3. Crushing assembly; 4. Feeding assembly; 5. Crushing teeth; 6. Barrier net; 7. Air compressor; 8. Supersonic nozzle; 9. Electric push rod; 10. Fixed plate; 11. Cleaning brush; 12. Air nozzle; 13. Processing part; 14. No. 1 motor; 15. Worm; 16. Vertical rod; 17. Worm gear; 18. Crushing wheel; 19. Feeding barrel; 20. Feed hopper; 21. No. 2 motor; 22. Feeding rod; 23. No. 3 motor; 24. Classifying rotor; 25. Discharge pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] The utility model provides a technical solution: Figure 2 and Figure 4 As shown, in the present embodiment, an ultrafine powder airflow mill comprises a base 1, a crushing tank 2, a crushing assembly 3 and a feeding assembly 4, the crushing tank 2 is installed above the base 1, the crushing assembly 3 is installed in the crushing tank 2, the feeding assembly 4 is installed on the side wall of the crushing tank 2, the crushing assembly 3 can crush the material, and the feeding assembly 4 can transport the material, the crushing assembly 3 comprises multiple groups of crushing teeth 5, a blocking net 6, an air compressor 7, a supersonic nozzle 8, multiple groups of electric push rods 9, a fixing plate 10, a cleaning brush 11, multiple groups of air nozzles 12 and a processing part 13, multiple groups of the crushing teeth 5 are welded and installed on the inner wall of the crushing tank 2, the blocking net 6 is clamped and installed in the crushing tank 2, the air compressor 7 is installed on one side of the top of the base 1 by bolts, the supersonic nozzle 8 is installed at the output end of the air compressor 7, and multiple groups of the electric push rods 9 are installed on the crushing At the top of the tank 2, the fixed plate 10 is installed at the output end of the electric push rod 9, the cleaning brush 11 is installed at the bottom of the fixed plate 10 by bolts, and multiple groups of the air nozzles 12 are evenly distributed and installed at the bottom of the fixed plate 10. The processing part 13 is installed in the crushing tank 2, and the cleaning brush 11 is fitted with the grading rotor 24. Multiple groups of the air nozzles 12 are connected to the air pump. Under the setting of the blocking net 6, the material is prevented from falling near the supersonic nozzle 8, affecting its crushing or causing the supersonic nozzle 8 to be blocked. The electric push rod 9 can be used to adjust the height of the cleaning brush 11 and the air nozzle 12. Under the setting of the cleaning brush 11 and the air nozzle 12, the grading rotor 24 can be cleaned to prevent the material from causing the grading rotor 24 to be blocked. Under the setting of the air compressor 7 and the supersonic nozzle 8, the material entering the crushing tank 2 is accelerated to repeatedly impact and collide with the crushing teeth 5 to achieve ultra-fine crushing of the material.

[0025] like Figure 3 As shown, the processing part 13 includes multiple groups of No. 1 motors 14, worms 15, vertical rods 16, worm wheels 17 and multiple groups of crushing wheels 18. Multiple groups of No. 1 motors 14 are installed on the side wall of the crushing tank 2 by bolts, the worms 15 are installed at the output end of the No. 1 motor 14, the vertical rod 16 is rotatably installed in the crushing tank 2, the worm wheels 17 are sleeved on the outside of the vertical rod 16, and multiple groups of crushing wheels 18 are sleeved on the outside of the vertical rod 16. The worm 15 and the worm wheel 17 are meshed for transmission, and the crushing wheel 18 is arranged corresponding to the crushing teeth. The No. 1 motor 14 is used to drive the worm 15 to rotate, the rotation of the worm 15 drives the worm wheel 17 to rotate, the rotation of the worm wheel 17 drives the vertical rod 16 to rotate, and the rotation of the vertical rod 16 drives the crushing wheel 18 to rotate. With the cooperation of the crushing teeth 5, the material is efficiently and fully crushed, thereby improving the overall processing efficiency.

[0026] like Figure 1 and Figure 5 As shown, the feeding assembly 4 includes a feeding barrel 19, a feeding hopper 20, a No. 2 motor 21, a feeding rod 22, a No. 3 motor 23, a grading rotor 24 and a discharging pipe 25. The feeding barrel 19 is installed on the side wall of the crushing tank 2, the feeding hopper 20 is installed on the top of the feeding barrel 19, the No. 2 motor 21 is installed on the side wall of the feeding barrel 19 by bolts, the feeding rod 22 is installed on the output end of the No. 2 motor 21, the No. 3 motor 23 is installed on the side wall of the crushing tank 2 by bolts, the grading rotor 24 is installed on the output end of the No. 3 motor 23, the discharging pipe 25 is installed on the side wall of the crushing tank 2, one end of the feeding barrel 19 is opened, and the feeding The material rod 22 is in a spiral structure, and the grading rotor 24 is in a mesh structure. One end of the grading rotor 24 is opened, and the grading rotor 24 is arranged corresponding to the discharge pipe 25. The material can be put into the feeding barrel 19 from the feed hopper 20. The feeding rod 22 is driven by the No. 2 motor 21 to rotate to transport the material in the feeding barrel 19 to avoid material blockage. At the same time, the material can be evenly transported, which is beneficial to subsequent crushing. The grading rotor 24 is driven by the No. 3 motor 23 to rotate, which can generate centrifugal force, so that the crushed material passes through the grading rotor 24 and flows out of the discharge pipe 25, while the uncrushed material falls to the bottom again to continue impact crushing.

[0027] The utility model provides an ultrafine powder airflow pulverizer, and the specific working principle is as follows:

[0028] When using the present ultrafine powder airflow mill, by providing a feeding assembly 4, the material can be put into the feeding barrel 19 from the feeding hopper 20, and the feeding rod 22 can be driven by the No. 2 motor 21 to rotate to transport the material in the feeding barrel 19, thereby avoiding the situation that the material is blocked, and at the same time, the material can be evenly transported, which is beneficial to the subsequent crushing. The No. 3 motor 23 is used to drive the grading rotor 24 to rotate, which can generate centrifugal force, so that the crushed material passes through the grading rotor 24 and flows out from the discharge pipe 25, while the un-crushed material falls to the bottom again to continue the impact crushing. By providing a crushing assembly 3, under the setting of the blocking net 6, the material is prevented from falling near the supersonic nozzle 8, which affects its crushing or causes supersonic The high-speed nozzle 8 is blocked, and the height of the cleaning brush 11 and the air nozzle 12 can be adjusted by the electric push rod 9. Under the setting of the cleaning brush 11 and the air nozzle 12, the grading rotor 24 can be cleaned to prevent the material from clogging the grading rotor 24. Under the setting of the air compressor 7 and the supersonic nozzle 8, the material entering the crushing tank 2 is accelerated to repeatedly impact and collide with the crushing teeth 5 to achieve ultra-fine crushing of the material. The No. 1 motor 14 is used to drive the worm 15 to rotate, the rotation of the worm 15 drives the worm wheel 17 to rotate, the rotation of the worm wheel 17 drives the vertical rod 16 to rotate, and the rotation of the vertical rod 16 drives the crushing wheel 18 to rotate. With the cooperation of the crushing teeth 5, the material is efficiently and fully crushed, thereby improving the overall processing efficiency.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrafine powder airflow pulverizer, characterized in that: It comprises a base (1), a crushing tank (2), a crushing assembly (3) and a feeding assembly (4), wherein the crushing tank (2) is mounted above the base (1), the crushing assembly (3) is mounted inside the crushing tank (2), and the feeding assembly (4) is mounted on the side wall of the crushing tank (2); The crushing assembly (3) comprises a plurality of groups of crushing teeth (5), a blocking net (6), an air compressor (7) and a supersonic nozzle (8); the plurality of groups of crushing teeth (5) are welded and mounted on the inner wall of the crushing tank (2); the blocking net (6) is snap-fitted and mounted in the crushing tank (2); the air compressor (7) is mounted on one side of the top end of the base (1) by means of bolts; and the supersonic nozzle (8) is mounted on the output end of the air compressor (7).

2. The ultrafine powder airflow pulverizer according to claim 1, characterized in that: The pulverizing assembly (3) further comprises a plurality of electric push rods (9), a fixing plate (10), a cleaning brush (11), a plurality of air nozzles (12) and a processing portion (13), wherein the plurality of electric push rods (9) are mounted on the top of the pulverizing tank (2) by means of bolts, the fixing plate (10) is mounted on the output end of the electric push rods (9), the cleaning brush (11) is mounted on the bottom end of the fixing plate (10) by means of bolts, the plurality of air nozzles (12) are evenly distributed and mounted on the bottom end of the fixing plate (10), and the processing portion (13) is mounted in the pulverizing tank (2).

3. The ultrafine powder airflow pulverizer according to claim 2, characterized in that: The processing portion (13) comprises a plurality of sets of No. 1 motors (14), worms (15), vertical rods (16), worm wheels (17) and a plurality of sets of crushing wheels (18), wherein the plurality of sets of No. 1 motors (14) are mounted on the side wall of the crushing pot (2) by means of bolts, the worms (15) are mounted on the output end of the No. 1 motor (14), the vertical rods (16) are rotatably mounted in the crushing pot (2), the worm wheels (17) are sleeved and mounted on the outside of the vertical rods (16), and the plurality of sets of crushing wheels (18) are sleeved and mounted on the outside of the vertical rods (16).

4. The ultrafine powder airflow pulverizer according to claim 2, characterized in that: The cleaning brush (11) is fitted with the grading rotor (24), and a plurality of groups of the air nozzles (12) are connected together with the air pump.

5. The ultrafine powder airflow pulverizer according to claim 3, characterized in that: The worm (15) and the worm wheel (17) are meshed for transmission, and the crushing wheel (18) is arranged corresponding to the crushing teeth.

6. The ultrafine powder airflow pulverizer according to claim 1, characterized in that: The feeding assembly (4) comprises a feeding barrel (19), a feeding hopper (20), a No. 2 motor (21), a feeding rod (22), a No. 3 motor (23), a grading rotor (24) and a discharge pipe (25); the feeding barrel (19) is installed through the side wall of the crushing tank (2); the feeding hopper (20) is installed through the top of the feeding barrel (19); the No. 2 motor (21) is installed on the side wall of the feeding barrel (19) by means of bolts; the feeding rod (22) is installed on the output end of the No. 2 motor (21); the No. 3 motor (23) is installed on the side wall of the crushing tank (2) by means of bolts; the grading rotor (24) is installed on the output end of the No. 3 motor (23); and the discharge pipe (25) is installed through the side wall of the crushing tank (2).

7. The ultrafine powder airflow pulverizer according to claim 6, characterized in that: The feeding cylinder (19) is provided with an opening at one end, the feeding rod (22) is in a spiral structure, the grading rotor (24) is in a mesh structure, the grading rotor (24) is provided with an opening at one end, and the grading rotor (24) is provided correspondingly to the discharge pipe (25).

Citation Information

Patent Citations

  • Traditional Chinese medicine superfine powder jet mill

    CN211838330U

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