Airflow crushing system for rare earth polishing powder

By introducing crushing and drying functions into the rare earth polishing powder airflow pulverization system, the problem of processing rare earth polishing powder before airflow pulverization is solved, achieving a highly efficient pulverization process and equipment stability.

CN223587314UActive Publication Date: 2025-11-25BAOTOU HAILIANG TECH
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Patent Information

Application Number
CN202422861188.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-11-25
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

In the prior art, rare earth polishing powder is not easy to be pre-crushed and dried before air jet milling, resulting in larger particles exceeding the processing capacity of the air jet mill. In addition, rare earth polishing powder with high moisture content is prone to agglomeration, which hinders material flow, reduces milling efficiency, and may cause equipment blockage.

Method used

A rare earth polishing powder airflow pulverization system was designed, comprising a crushing cylinder, a filter cylinder, an electric heating resistance wire, a motor-driven transmission rod, and a screw conveyor rod, for preliminary crushing and drying of rare earth polishing powder to ensure that it reaches a suitable state before entering the airflow pulverizer.

Benefits of technology

Preliminary crushing and drying processes prevent large particles from exceeding processing capacity and from clumping, thereby improving crushing efficiency and enhancing the stability and practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rare earth polishing powder airflow crushing system, which belongs to the technical field of rare earth polishing powder crushing and comprises a base, an airflow crushing device body is fixedly mounted on the upper surface of the base, a crushing cylinder is arranged above the base, and a filter cylinder is fixedly mounted on the inner side wall of the crushing cylinder. Round holes arranged at equal intervals are formed in the outer surface of the filter cylinder, an electric heating resistance wire is fixedly installed on the inner wall of the crushing cylinder, a heat conduction frame is fixedly installed on the outer surface of the electric heating resistance wire, and the two side faces of the heat conduction frame are fixedly connected with the inner side wall of the crushing cylinder. The power output end of the first stepping motor penetrates through the crushing cylinder and is fixedly provided with a transmission rod, and the outer surface of the transmission rod is rotationally connected with the inner wall of the filter cylinder. According to the jet milling system for the rare earth polishing powder, the crushing frame is driven by the first stepping motor to crush entering large rare earth polishing powder particles, and the situation that the large rare earth polishing powder particles exceed the effective processing capacity of the jet milling machine is prevented.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of rare earth polishing powder crushing, and particularly relates to a rare earth polishing powder airflow crushing system. BACKGROUND

[0002] As an important industrial raw material, rare earth polishing powder is widely used in the fields of optical lenses, semiconductor devices and precision instruments. In order to achieve the required high-precision polishing effect, the rare earth polishing powder must have an extremely fine and uniform particle size distribution. Therefore, an airflow crushing device is usually used to crush the rare earth polishing powder. The airflow crusher is used to deform solid particles in a strong multi-turbulent field formed by a high-speed air jet, and to break the solid particles in the collision with the collision plate or the container wall.

[0003] The utility model discloses a rare earth polishing powder airflow crushing device disclosed in the prior authorization announcement No. CN215843443U, which comprises a base, the upper surface of the base is fixedly installed with an airflow crushing device main body through bolts, the top end of the airflow crushing device main body is provided with a discharge port, the upper surface of the airflow crushing device main body is fixedly installed with a feeding hopper through bolts, both ends of the inside of the base are provided with supporting feet, the two sides of the supporting feet are respectively provided with a first groove and a sliding groove in the inside of the base, the inside of the first groove is rotatably connected with a threaded rod through a bearing, the bottom end of the threaded rod is fixedly installed with a gear, the bottom end of the first groove is rotatably connected with a worm through a bearing, the end of the worm is provided with a hand wheel on the side surface of the base, and the outer surface of the worm is consistent with the outer surface of the gear, the top end of the supporting feet is respectively provided with an adjusting head and a sliding block, and the sliding block is embedded in the inside of the sliding groove, the adjusting head is embedded in the inside of the first groove, and the threaded rod penetrates the inside of the adjusting head.

[0004] By adjusting the height of the supporting feet through the adjusting head, the supporting feet can be stably supported and placed. The problem that the height of the supporting feet cannot be adjusted when the airflow crushing device is placed according to the stability of the ground is solved, and the problem that the airflow crushing device is unstable when placed is solved. However, the above technical solution is not convenient for preliminary crushing of the rare earth polishing powder before airflow crushing, which is not convenient for airflow crushing of the rare earth polishing powder with large particles, and is not convenient for drying of the rare earth polishing powder. The rare earth polishing powder is easy to absorb water and form clumps during the crushing process, which seriously hinders the flow of materials in the airflow crusher, reduces the crushing efficiency, and even causes the equipment to be blocked, so the practicality is low.

[0005] Therefore, the rare earth polishing powder airflow crushing system is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at solving prior art, in the rare earth polishing powder is not convenient to carry out the preliminary crushing before airflow crushing, make the particle larger rare earth polishing powder easy to exceed the effective processing capacity of airflow pulverizer, and it is not convenient to dry the rare earth polishing powder, make the water content of the rare earth raw material is high in the crushing process and easily absorbs water and is caked, thereby seriously hinder the material flow in the airflow pulverizer, reduce the crushing efficiency, even lead to equipment blockage, make the practicality lower problem, and propose a rare earth polishing powder airflow crushing system.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A rare earth polishing powder airflow crushing system, including base, the upper surface of base is fixedly installed airflow crushing device body, the upper of base is provided with broken cylinder, the inner side wall of broken cylinder is fixedly installed filter bowl, the outer surface of filter bowl is equipped with the round hole of equidistance arrangement, the inner wall of broken cylinder is fixedly installed electric heating resistance wire, the outer surface of electric heating resistance wire is fixedly installed heat conduction frame, the both sides of heat conduction frame are fixedly connected with the inner side wall of broken cylinder, the right side of broken cylinder is provided with first step motor, the power output end of first step motor penetrates broken cylinder and is fixedly installed transmission rod, the outer surface of transmission rod is rotatably connected with the inner wall of filter bowl, the left end of transmission rod is rotatably connected with the inner side wall of broken cylinder, the outer surface of transmission rod is fixedly installed four broken frames, the inner wall of broken cylinder is fixedly connected with the outer surface of transmission rod, the outer surface of transmission rod is fixedly installed with the outer surface of transmission rod, the right end of transmission rod is fixedly connected with the outer surface of transmission rod, the left side of transmission rod is provided with second step motor, the power output end of second step motor penetrates transmission rod and is fixedly installed spiral conveying rod.

[0009] Preferably, the outer surface of the airflow crushing device body is fixedly installed with a flange, and the right side of the flange is provided with a plurality of connection holes arranged at equal distances.

[0010] Preferably, the bottom surface of the base is fixedly installed with four connecting plates, and the bottom surface of each connecting plate is fixedly installed with a universal wheel.

[0011] Preferably, the bottom surface of the base is fixedly installed with two electric telescopic rods, and the telescopic end of each electric telescopic rod is fixedly installed with a grounding plate.

[0012] Preferably, the upper surface of the base is fixedly installed with a limiting frame, and the side surface of each limiting frame close to each other is fixedly connected with the outer surface of the feed hopper.

[0013] Preferably, the upper part of the crushing cylinder is provided with a feeding hopper, the bottom end of each feeding hopper is sequentially penetrated through the crushing cylinder, the heat conducting frame and fixedly communicated with the inner wall of the filter cylinder, and the upper surface of the feeding hopper is sleeved with a sealing cover.

[0014] Preferably, the bottom surface of the first stepping motor is fixedly installed with a protection box, and the left side surface of the protection box is fixedly connected with the right side surface of the crushing cylinder.

[0015] Preferably, the bottom surface of the second stepping motor is fixedly installed with a protection box, and the right side surface of the protection box is fixedly connected with the left side surface of the feeding cylinder.

[0016] In summary, the technical effects and advantages of the present application are as follows: the power provided by the first stepping motor can drive the transmission rod to rotate, so that the transmission rod can drive the crushing frame to rotate, thereby the crushing frame can crush the large rare earth polishing powder particles entering, the crushed rare earth polishing powder particles can fall out of the filter cylinder through the round hole, so that the crushed rare earth polishing powder can be conveyed to the feeding hopper, the rare earth polishing powder is guided by the feeding hopper and directly conveyed to the feeding cylinder, the power provided by the second stepping motor can drive the spiral conveying rod to rotate, so that the spiral conveying rod can directly convey the rare earth polishing powder to the airflow pulverizing device body, thereby the rare earth polishing powder is conveniently crushed before airflow pulverizing, the rare earth polishing powder with large particles is prevented from exceeding the effective processing capacity of the airflow pulverizer, the heat provided by the electric heating wire can be conducted to the heat conducting frame, so that the heat conducting frame can dry the rare earth polishing powder, the rare earth raw material with high water content is prevented from absorbing water and blocking the material flow in the airflow pulverizing device body during the crushing process, and a strong practical effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the base of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the crushing cylinder of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of the feeding cylinder of the utility model;

[0020] Figure 4 It is a right view three-dimensional structure schematic view of the airflow pulverizing device body of the utility model.

[0021] In the figure: 1, base; 2, airflow pulverizing device body; 3, crushing cylinder; 4, filter cylinder; 5, circular hole; 6, electric heating resistance wire; 7, heat conducting frame; 8, first stepper motor; 9, transmission rod; 10, crushing frame; 11, feeding hopper; 12, feeding cylinder; 13, second stepper motor; 14, spiral conveying rod; 15, flange plate; 16, connecting hole; 17, connecting plate; 18, universal wheel; 19, electric telescopic rod; 20, grounding plate; 21, limiting frame; 22, feeding hopper; 23, sealing cover; 24, protection box; 25, protection box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-4 A rare earth polishing powder airflow pulverizing system, including base 1, the upper surface of base 1 is fixedly installed with airflow pulverizing device body 2, the upper of base 1 is provided with crushing cylinder 3, the inner side wall of crushing cylinder 3 is fixedly installed with filter cylinder 4, the outer surface of filter cylinder 4 is provided with circular hole 5 arranged at equal distance, the inner wall of crushing cylinder 3 is fixedly installed with electric heating resistance wire 6, the outer surface of airflow pulverizing device body 2 is fixedly installed with flange plate 15, the right side of flange plate 15 is provided with connecting hole 16 arranged at equal distance, the discharge port of airflow pulverizing device body 2 can be conveniently communicated with external connecting device through flange plate 15, so as to conveniently collect the pulverized rare earth polishing powder, and the convenience of the device is increased.

[0024] The outer surface of electric heating resistance wire 6 is fixedly installed with heat conducting frame 7, the two side faces of heat conducting frame 7 are fixedly connected with the inner side wall of crushing cylinder 3, the right side of crushing cylinder 3 is provided with first stepper motor 8, the power output end of first stepper motor 8 penetrates crushing cylinder 3 and is fixedly installed with transmission rod 9, the bottom surface of base 1 is fixedly installed with four connecting plates 17, the bottom surface of each connecting plate 17 is fixedly installed with universal wheel 18, the universal wheel 18 can be limited through connecting plate 17, so as to conveniently move the device, and the convenience of the device transfer is increased.

[0025] The outer surface of transmission rod 9 is rotatably connected with the inner wall of filter cylinder 4, the left end of transmission rod 9 is rotatably connected with the inner side wall of crushing cylinder 3, the outer surface of transmission rod 9 is fixedly installed with four crushing frames 10, the inner wall of crushing cylinder 3 is fixedly communicated with feeding hopper 11, the bottom surface of base 1 is fixedly installed with two electric telescopic rods 19, the telescopic end of each electric telescopic rod 19 is fixedly installed with grounding plate 20, the telescopic property provided by electric telescopic rod 19 can drive grounding plate 20 to contact with the ground, so as to prevent the device from moving when working, and the stability of the device is increased.

[0026] The outer surface of the feeding funnel 11 is fixedly installed with a feeding cylinder 12, the right end of the feeding cylinder 12 is fixedly communicated with the outer surface of the airflow crushing device body 2, the left side of the feeding cylinder 12 is provided with a second stepping motor 13, the power output end of the second stepping motor 13 penetrates through the feeding cylinder 12 and is fixedly installed with a spiral conveying rod 14, the upper surface of the base 1 is fixedly installed with a limiting frame 21, the side face of the two limiting frames 21 close to each other is fixedly connected with the outer surface of the feeding funnel 11, the limiting frame 21 can support and limit the feeding funnel 11, so as to support the crushing cylinder 3 and increase the stability of the crushing cylinder 3 during work.

[0027] The upper part of the crushing cylinder 3 is provided with a feeding funnel 22, the bottom end of each feeding funnel 22 penetrates through the crushing cylinder 3, the heat conducting frame 7 and is fixedly communicated with the inner wall of the filter cylinder 4 in sequence, the upper surface of the feeding funnel 22 is sleeved with a sealing cover 23, the feeding funnel 22 can conveniently feed the rare earth polishing powder into the filter cylinder 4, so as to conveniently crush the large particles of the rare earth polishing powder and increase the practicability of the device.

[0028] The bottom surface of the first stepping motor 8 is fixedly installed with a protection box 24, the left side face of the protection box 24 is fixedly connected with the right side face of the crushing cylinder 3, the protection box 24 can support and protect the first stepping motor 8, so as to prevent external objects from colliding and damaging the first stepping motor 8 and increase the protection of the device.

[0029] The bottom surface of the second stepping motor 13 is fixedly installed with a protection box 25, the right side face of the protection box 25 is fixedly connected with the left side face of the feeding cylinder 12, the protection box 25 can support the second stepping motor 13, so as to prevent the second stepping motor 13 from shaking and deviating during work and increase the stability of the second stepping motor 13 during work.

[0030] The working principle of the utility model is: when using, first, the airflow pulverizing device body 2, the electric heating resistance wire 6, the first stepping motor 8, the second stepping motor 13 and the electric telescopic rod 19 are connected to the power supply, when the airflow pulverizing of the rare earth polishing powder is needed, the rare earth polishing powder is manually conveyed to the filter cartridge 4 through the feed hopper 22, the power provided by the first stepping motor 8 can drive the transmission rod 9 to rotate, so that the transmission rod 9 can drive the crushing frame 10 to rotate, so that the crushing frame 10 can crush the large rare earth polishing powder particles entering, the heat provided by the electric heating resistance wire 6 can be conducted to the heat conduction frame 7, so that the heat conduction frame 7 can dry the rare earth polishing powder, prevent the high water content rare earth raw material from absorbing water and blocking the material flow in the airflow pulverizing device body 2 in the crushing process, the crushed rare earth polishing powder particles can fall out of the filter cartridge 4 through the round hole 5, so that the crushed rare earth polishing powder can be conveyed to the feed hopper 11, the rare earth polishing powder is guided through the feed hopper 11 and directly conveyed to the feed cylinder 12, the power provided by the second stepping motor 13 can drive the spiral conveying rod 14 to rotate, so that the spiral conveying rod 14 can directly convey the rare earth polishing powder to the airflow pulverizing device body 2, so that the rare earth polishing powder is conveniently crushed before the airflow pulverizing, prevent the large rare earth polishing powder from exceeding the effective processing capacity of the airflow pulverizer, the flange plate 15 can conveniently communicate the discharge opening of the airflow pulverizing device body 2 with the external connecting device, so that the crushed rare earth polishing powder is conveniently collected, so that the practicality of the rare earth polishing powder airflow pulverizing system is stronger.

[0031] In the description of the utility model, it need understand that, the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the orientation or positional relation shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0032] In addition, the terms "first", "second" are only for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0033] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A rare earth polishing powder jet milling system comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly installed with an airflow crushing device body (2), an upper portion of the base (1) is provided with a crushing cylinder (3), an inner side wall of the crushing cylinder (3) is fixedly installed with a filter cylinder (4), an outer surface of the filter cylinder (4) is provided with equidistantly arranged circular holes (5), an inner wall of the crushing cylinder (3) is fixedly installed with an electric heating resistance wire (6), an outer surface of the electric heating resistance wire (6) is fixedly installed with a heat conduction frame (7), both side surfaces of the heat conduction frame (7) are fixedly connected with the inner side wall of the crushing cylinder (3), a right side of the crushing cylinder (3) is provided with a first stepping motor (8), a power output end of the first stepping motor (8) penetrates through the crushing cylinder (3) and is fixedly installed with a transmission rod (9), an outer surface of the transmission rod (9) is rotatably connected with an inner wall of the filter cylinder (4), a left end of the transmission rod (9) is rotatably connected with the inner side wall of the crushing cylinder (3), and the outer surface of the transmission rod (9) is fixedly installed with four crushing frames (10).

2. The rare earth polishing powder jet mill system according to claim 1, wherein: An outer surface of the airflow crushing device body (2) is fixedly installed with a flange plate (15), and the right side surface of the flange plate (15) is provided with equidistantly arranged connecting holes (16).

3. The jet milling system of the rare earth polishing powder according to claim 1, characterized in that: The bottom surface of the base (1) is fixedly installed with four connecting plates (17), and the bottom surface of each connecting plate (17) is fixedly installed with a universal wheel (18).

4. The jet milling system of claim 1, wherein: The bottom surface of the base (1) is fixedly installed with two electric telescopic rods (19), and the telescopic end of each electric telescopic rod (19) is fixedly installed with a grounding plate (20).

5. The rare earth polishing powder airflow pulverizing system according to claim 1, characterized in that: The upper surface of the base (1) is fixedly installed with limiting frames (21), and the side surface, which is close to each other, of the two limiting frames (21) is fixedly connected with the outer surface of the feeding hopper (11).

6. The jet milling system of the rare earth polishing powder according to claim 1, characterized in that: An upper portion of the crushing cylinder (3) is provided with feeding hoppers (22), the bottom end of each feeding hopper (22) penetrates through the crushing cylinder (3), the heat conduction frame (7) in sequence and is fixedly communicated with the inner wall of the filter cylinder (4), and the upper surface of the feeding hopper (22) is sleeved with a sealing cover (23).

7. The system for jet milling a rare earth polishing powder of claim 1, wherein: The bottom surface of the first stepping motor (8) is fixedly installed with a protection box (24), and the left side surface of the protection box (24) is fixedly connected with the right side surface of the crushing cylinder (3).

8. The jet milling system of the rare earth polishing powder according to claim 1, characterized in that: The bottom surface of the second stepping motor (13) is fixedly installed with a protection box (25), and the right side surface of the protection box (25) is fixedly connected with the left side surface of the feeding cylinder (12).

Citation Information

Patent Citations

  • Airflow crushing device for rare earth polishing powder

    CN215843443U