CN219463698U

CN219463698U - Screening plant of alpha-aluminium oxide miropowder

Info

Publication number: CN219463698U
Application number: CN202320599899.8U
Authority: CN
Inventors: 王佳欣; 钱胜龙; 张龙; 肖鹏飞
Original assignee: Wuhan Juchuan Technology Co ltd
Current assignee: Wuhan Juchuan Technology Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-04
Anticipated expiration: 2033-03-21

Abstract

The utility model relates to a screening device of alpha-alumina micropowder, which comprises a box body, wherein a feed inlet is arranged in the center of the top of the box body, a discharge outlet is arranged at the bottom of the box body, a filter screen is further arranged in the box body, one end of the filter screen is further provided with a discharge outlet, and the discharge outlet extends obliquely towards the outside of the box body; an electromagnetic adsorption assembly is arranged below the filter screen, a plurality of electromagnets are arranged on the electromagnetic adsorption assembly, an opening is formed in one surface of the bottom of the box body, a chute is formed by inward extension, and the electromagnetic adsorption assembly is slidably arranged in the chute; this application utilizes the ultrasonic wave to drive the screen cloth and shakes to make the screening speed of aluminium oxide miropowder accelerate, even the aluminium oxide miropowder is wet the caking also can smash through the high frequency vibrations on screen cloth surface, in screening process, clearance grow between the aluminium oxide miropowder, make electromagnetic adsorption subassembly can adsorb the Fe powder impurity in the aluminium oxide miropowder, and do not influence the normal discharge of aluminium oxide miropowder, thereby improved the product quality of aluminium oxide miropowder.

Description

Screening plant of alpha-aluminium oxide miropowder

Technical Field

The utility model relates to the technical field of preparation of alumina micropowder, in particular to a screening device of alpha-alumina micropowder.

Background

Alpha-alumina is commonly called corundum, is the most stable phase in all aluminas, has uniform particle size distribution, high purity, high dispersion, low specific surface and high-temperature-resistant inertia. Since α -alumina is also a far infrared emitting material excellent in performance, it is applied as a far infrared emitting and heat insulating material to chemical fiber products and high pressure sodium lamps. In addition, the alpha-alumina has high resistivity and good insulating property, and can be applied to main accessories and integrated circuit substrates of yga laser crystals.

The existing alumina micro powder screening device is generally used for screening and filtering through a filter screen and is additionally provided with a vibration motor so as to prevent the filter screen from being blocked and quickening the screening efficiency of the filter screen, but the alumina micro powder which is not agglomerated cannot be crushed by the screening device, fe powder impurities are often mixed in the production grinding process of the alumina micro powder, and the use performance of the alumina micro powder is influenced by the impurities, so that the alumina micro powder is required to be screened.

Disclosure of Invention

Based on the expression, the utility model provides a screening device for alpha-alumina micropowder, which aims to solve the defects that the existing screening device cannot crush agglomerated alumina micropowder, fe powder impurities are often mixed in the production process of the alumina micropowder, and the product quality cannot be ensured.

The screening device for the alpha-alumina micro powder comprises a box body, wherein a feed inlet is formed in the center of the top of the box body, a discharge outlet is formed in the bottom of the box body, a filter screen is further arranged in the box body, a discharge outlet is further formed in one end of the filter screen, and the discharge outlet obliquely extends towards the outer part of the box body; the electromagnetic adsorption assembly is arranged below the filter screen, a plurality of electromagnets are arranged on the electromagnetic adsorption assembly, an opening is formed in one face of the bottom of the box body, the opening extends inwards to form a chute, and the electromagnetic adsorption assembly is slidably arranged in the chute.

The utility model is realized by the following technical scheme:

further, the box divide into filter tank and separator box, still be equipped with the bellows between filter tank and the separator box, the outside of bellows is encircleed and is provided with the bolster, the bottom of filter tank and the top of separator box all are equipped with the ring flange, the bolster passes through bolt and ring flange fixed connection.

Further, the buffer piece comprises a damping spring and a damper, wherein the damper is arranged inside the damping spring, spring plates are arranged at two ends of the damper, and the damping spring is matched with the spring plates.

Further, the electromagnetic adsorption assembly comprises a rectangular installation frame, a plurality of fixing holes are formed in the inner side wall of the installation frame, and two ends of the electromagnets are installed in the fixing holes and are arranged at intervals.

Further, a metal gasket is arranged in the fixing hole, a spring is arranged in the middle of the metal gasket, a metal column body at the end part of the electromagnet is inserted into the spring and is abutted against the metal gasket, a lead is further arranged on the mounting frame and sequentially connected with the metal gasket, and the other end of the lead is externally connected with a power supply.

Further, the center of one outward surface of the mounting frame is provided with a handle, four sides of the mounting frame are provided with flanges, shallow grooves are formed in the periphery of the opening, and the flanges are attached to the shallow grooves.

Further, the frame back of filter screen is equipped with the rack and butt in the filter screen bottom surface, one side at the frame back still fixed mounting has ultrasonic transducer, the wire of transducer passes the box and connects in supersonic generator.

Further, the bottom of box installs the base, the bottom of base is equipped with the universal wheel that has the brake.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

this application utilizes the ultrasonic wave to drive the screen cloth and shakes to make the screening speed of aluminium oxide miropowder accelerate, even the aluminium oxide miropowder is wetted the caking also can smash through the high frequency vibrations on screen cloth surface, compares in current screening equipment moreover, and ultrasonic screening device's precision is higher, can be applicable to the aluminium oxide miropowder production of high accuracy.

This application is in screening in-process, and clearance grow between the aluminium oxide miropowder for electromagnetic adsorption subassembly can adsorb the Fe powder impurity in the aluminium oxide miropowder effectively, and does not influence the normal discharge of aluminium oxide miropowder, thereby has improved the product quality of aluminium oxide miropowder, and electromagnetic adsorption subassembly detachable installs on the box, can clear up at any time, and the operation is more convenient.

Drawings

FIG. 1 is a schematic view showing the structure of a filter tank and a separator tank in the present embodiment;

fig. 2 is a schematic structural view of a mounting frame in the present embodiment;

FIG. 3 is a schematic diagram of the metal gasket and electromagnet in this embodiment;

fig. 4 is a schematic structural view of the filter tank, the filter screen and the ultrasonic transducer in the present embodiment;

wherein: 1. a filter tank; 2. a separation box; 3. a bellows; 4. a buffer member; 5. a feed inlet; 6. a discharge port; 7. a discharge port; 8. a filter screen; 9. an ultrasonic transducer; 10. a mounting frame; 11. a fixing hole; 12. a metal gasket; 13. a handle; 14. an electromagnet.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to FIGS. 1-4, a screening apparatus for alpha-alumina micropowder comprises:

a case; the filter tank is divided into a filter tank 1 and a separation tank 2, wherein the filter tank 1 is conical, the separation tank 2 is rectangular, the filter tank 1 and the separation tank are communicated through a corrugated pipe 3, a feed inlet 5 is arranged in the center of the top of the filter tank 1, and a discharge outlet 6 is arranged at one side of the bottom of the separation tank 2;

a filter screen 8; the method is used for screening and filtering the alumina micropowder;

an electromagnetic adsorption assembly; is used for removing Fe powder impurities doped in the alumina micro powder in the grinding process.

In this embodiment, in order to enhance the filtering efficiency of the filter screen 8 and prevent the filter screen 8 from being blocked, an ultrasonic transducer 9 is mounted on the back of the filter frame of the filter screen 8, and the ultrasonic transducer 9 is electrically connected with an ultrasonic generator outside the box, so that the ultrasonic vibration screening of the filter screen 8 is realized, and meanwhile, a net rack is additionally arranged on the back of the filter frame to assist in supporting the filter screen 8.

Specifically, the method comprises the following steps; in order to ensure the connection strength between the filter tank 1 and the separation tank 2, a flange plate is correspondingly arranged between the filter tank 1 and the separation tank 2, a buffer piece 4 is fixedly arranged on each bolt hole of the flange plate, the buffer piece 4 consists of a damper and a damping spring, a pair of spring plates are arranged on the telescopic end of the damper, the damping spring is arranged between the two spring plates, two ends of the damper are protruded and are respectively inserted into the bolt holes on the flange plate, and the damper is fixedly connected with the filter tank 1 and the separation tank 2 through bolts.

In this embodiment, in order to perform continuous screening, a discharge port 7 should be further provided on the sidewall of the filter tank 1, and the discharge port is mainly used for discharging impurities separated from the filter screen 8, so as to prevent the filter screen 8 from being blocked, and facilitate cleaning by staff.

Specifically, the method comprises the following steps; the electromagnetic adsorption assembly comprises a rectangular installation frame 10, fixing holes 11 are correspondingly formed in two inner side walls of the installation frame 10, a metal gasket 12 is arranged in the center of each fixing hole 11, a spring is arranged on each gasket, an electromagnet 14 is arranged between the fixing holes 11, the electromagnet 14 is cylindrical, metal ends at two ends are inserted into the springs, the electromagnet 14 is limited, a handle 13 is further arranged in the center of one outwards side of the installation frame 10, flanges are arranged on four sides of the installation frame, an opening on the separation box 2 is arranged and extends inwards to form a groove, the installation frame 10 is inserted into the groove in a sliding mode, shallow grooves are formed in the edges of the opening, and the flanges are just fit into the shallow grooves.

In this embodiment, in order to supply power to the electromagnet 14, both side plates of the mounting frame 10 are provided with wire guides, and the metal pads 12 are connected one by one through wires, and the other ends of the wires pass through the mounting frame 10 to be connected to a power source.

In this embodiment, in order to further increase the utilization ratio of the surface area of the electromagnet 14, a ball bearing should be installed in the fixing hole 11, then a metal gasket 12 is disposed on the inward side of the center of the ball bearing, the inward side of the metal gasket 12 is fixedly connected with the end of the electromagnet 14 by adopting a fixing joint, an insertion hole is disposed on the outward side of the center of the ball bearing, a plug is disposed on a wire and inserted in the insertion hole, then a small driving motor is disposed on the installation frame 10, the electromagnet 14 is driven to rotate by using the driving motor, meanwhile, a plurality of electromagnets 14 can synchronously rotate by adopting a gear transmission mode, and the whole circumferential surface of the electromagnet 14 can be adsorbed in the subsequent process of adsorbing Fe powder impurities, so that the utilization ratio of the surface area of the electromagnet 14 is greatly improved.

In this embodiment, the electromagnet 14 may be set to be rectangular and inclined, so that the surface area of the rectangular electromagnet 14 is increased, the structures at two ends of the rectangular electromagnet are unchanged, the sieved alumina micro powder can slide downwards along the surface of the electromagnet 14, and the Fe powder impurities in the alumina micro powder can be adsorbed.

Specifically, the method comprises the following steps; the bottom of box still is equipped with a circular shape base, and the base below is equipped with three universal wheels that have the brake, makes things convenient for the staff to remove the use.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; the modification or replacement does not deviate the essence of the corresponding technical scheme from the technical scheme of the embodiment of the utility model _。

Claims

1. The screening device for the alpha-alumina micro powder is characterized by comprising a box body, wherein a feed inlet (5) is formed in the center of the top of the box body, a discharge outlet (6) is formed in the bottom of the box body, a filter screen (8) is further arranged in the box body, a discharge outlet (7) is further formed in one end of the filter screen (8), and the discharge outlet (7) obliquely extends towards the outside of the box body; the electromagnetic adsorption device is characterized in that an electromagnetic adsorption assembly is further arranged below the filter screen (8), a plurality of electromagnets (14) are arranged on the electromagnetic adsorption assembly, an opening is formed in one face of the bottom of the box body, the opening extends inwards to form a sliding groove, and the electromagnetic adsorption assembly is slidably mounted in the sliding groove.

2. The screening device of alpha-alumina micropowder according to claim 1, wherein the box body is divided into a filter tank (1) and a separation box (2), a corrugated pipe (3) is further arranged between the filter tank (1) and the separation box (2), a buffer piece (4) is arranged on the outer side of the corrugated pipe (3) in a surrounding mode, flanges are arranged at the bottom of the filter tank (1) and the top of the separation box (2), and the buffer piece (4) is fixedly connected with the flanges through bolts.

3. The screening device of alpha-alumina micropowder according to claim 2, characterized in that the buffer (4) comprises a damping spring and a damper, the damper is arranged inside the damping spring and both ends are provided with spring plates, and the damping spring is adapted to the spring plates.

4. The screening device for alpha-alumina micropowder according to claim 1, wherein the electromagnetic adsorption component comprises a rectangular mounting frame (10), a plurality of fixing holes (11) are formed in the inner side wall of the mounting frame (10), and two ends of a plurality of electromagnets (14) are arranged in the fixing holes (11) at intervals.

5. The screening device of alpha-alumina micropowder according to claim 4, wherein a metal gasket (12) is arranged in the fixing hole (11), a spring is arranged in the middle of the metal gasket (12), a metal column body at the end part of the electromagnet (14) is inserted into the spring and is abutted to the metal gasket (12), a wire is further arranged on the mounting frame (10) and sequentially connects the metal gaskets (12), and the other end of the wire is externally connected with a power supply.

6. The screening device for alpha-alumina fine powder according to claim 4, wherein a handle (13) is arranged at the center of one outward side of the mounting frame (10), flanges are arranged on four sides of the mounting frame, shallow grooves are formed around the opening, and the flanges are attached to the shallow grooves.

7. The screening device of alpha-alumina micropowder according to claim 1, wherein a net frame is arranged on the back of the frame of the filter screen (8) and is abutted to the bottom surface of the filter screen (8), an ultrasonic transducer (9) is fixedly arranged on one side of the back of the frame, and a wire of the transducer passes through the box body and is connected with an ultrasonic generator.

8. The alpha-alumina micropowder screening device according to claim 1, wherein a base is mounted at the bottom of the box, and universal wheels with brakes are arranged at the bottom of the base.