Dustproof screening device for white corundum fine powder

By designing a white corundum fine powder dustproof screening device, the screen is vibrated by using a cylindrical dustproof cloth sleeve and a power mechanism to drive the screen to vibrate, the problem of low dust and screening efficiency is solved, and an efficient screening and cleaning process is achieved.

CN222789750UActive Publication Date: 2025-04-25ZHENGZHOU HONGXIANG HIGH-TECH MATERIALS CO LTD
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Patent Information

Application Number
CN202420576201.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-25
Publication Date
2025-04-25
Estimated Expiration
2034-03-25

AI Technical Summary

Technical Problem

During the screening process of white corundum fine powder, the screen exposure and vibration lead to dust generation, reducing the screening efficiency, and the screening cannot be performed simultaneously when cleaning the screen, resulting in low production efficiency.

Method used

A white corundum fine powder dust-proof screening device is designed, including a plug-in valve and a flow guide cylinder. Through the design of a cylindrical dust-proof cloth cover and screen shell, it effectively prevents dust from spilling, and the screen is driven to vibrate left and right through the power mechanism for screening. When cleaning the screen, the white corundum fine powder is screened simultaneously using the control of the insert valve.

Benefits of technology

It effectively inhibits the dust generation of white corundum fine powder during the screening process, improves the screening efficiency, and performs sieving simultaneously while cleaning the screen, significantly improving the production efficiency of white corundum fine powder.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222789750U_ABST
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Abstract

The utility model discloses a dustproof screening device for white corundum fine powder. The dustproof screening device comprises a gate valve and a guide cylinder. The gate valves comprise the first gate valve and the second gate valve, the lower end face of the guide cylinder is provided with the two flow dividing cylinders which are symmetrically arranged, the first gate valves are installed on the outer side faces of the two flow dividing cylinders, a screen shell is arranged below the flow dividing cylinders, and the left end and the right end of the upper surface of the screen shell are connected with the flow dividing cylinders through third cylindrical dustproof cloth sleeves. A partition plate is arranged in the middle of the inner side face of the screen shell, and the screen shell is connected with a discharging port through a first cylindrical dustproof cloth sleeve arranged on the lower surface of the screen shell. According to the white corundum fine powder dustproof screening device, flying dust generated in the screening process of white corundum fine powder can be effectively restrained, meanwhile, white corundum fine powder screening can be conducted synchronously while the screen is cleaned, and the screening efficiency is improved. The screening efficiency of the white corundum fine powder can be effectively improved; materials needing to be screened enter the flow dividing barrel through the flow guide barrel, then enter the third cylindrical dustproof cloth sleeve through the flow dividing barrel and finally fall into the screen shell through the third cylindrical dustproof cloth sleeve, the third cylindrical dustproof cloth sleeve can effectively prevent powder from overflowing in the material discharging process, and finally the materials are screened through the screen in the screen shell. And fine materials obtained after screening are discharged into a collecting device through a discharging opening.
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Description

Technical Field

[0001] The present application relates to the technical field of white corundum screening, and in particular to a white corundum fine powder dust-proof screening device. Background Art

[0002] White corundum fine powder has excellent hardness, wear resistance and chemical stability, and has broad application prospects in the industrial field. In order to improve the product quality of white corundum fine powder, it is usually ground and then screened through a sieve in the prior art.

[0003] In the specific operation process, since the screen is exposed in the workshop and is always in a vibrating state, a lot of dust will be generated, which brings great inconvenience to the production of white corundum fine powder. At the same time, after working for a period of time, the screen needs to be cleaned of large particles of waste on its surface. At this time, the white corundum fine powder that needs to be screened cannot continue to be fed, resulting in a low screening efficiency of the white corundum fine powder. Summary of the invention

[0004] The present application provides a dust-proof screening device for white corundum fine powder, which can effectively suppress the dust generated during the screening process of white corundum fine powder. At the same time, the white corundum fine powder can be screened simultaneously while the screen is being cleaned, thereby effectively improving the screening efficiency of the white corundum fine powder and effectively solving the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a white corundum fine powder dust-proof screening device, comprising a plug-in valve and a guide tube; the plug-in valve comprises a plug-in valve 1 and a plug-in valve 2, the lower end face of the guide tube is provided with two symmetrically arranged diversion tubes, the outer sides of the two diversion tubes are both installed with a plug-in valve 1, a screen shell is provided below the diversion tube, the left and right ends of the upper surface of the screen shell are connected to the diversion tube through a cylindrical dust-proof cloth sleeve 3, a partition is provided in the middle of the inner side face of the screen shell, and the screen shell is connected to a feed port through a cylindrical dust-proof cloth sleeve 1 arranged on its lower surface.

[0006] A filter screen is laid on the bottom of the inner side of the screen shell, and slag outlets are provided at both ends of the outer side of the screen shell. The slag outlets are provided with electric control valves, and the outer side of the screen shell is provided with a power mechanism to control its left and right vibration.

[0007] Preferably, a flange is provided on the upper end surface of the guide cylinder.

[0008] Preferably, the gate valve comprises a sealing cover, an inner side of the sealing cover is provided with an electrically controlled telescopic rod, and a sealing valve plate is installed at the telescopic end of the electrically controlled telescopic rod.

[0009] Preferably, a feed opening bracket is provided on the outer side of the feed opening.

[0010] Preferably, a waste diversion nozzle is installed on the slag outlet, and a second plug valve is installed on the waste diversion nozzle.

[0011] Preferably, the waste diversion nozzle is arranged at an angle, and the discharge port of the waste diversion nozzle is connected to the waste collection device through a cylindrical dustproof cloth cover.

[0012] Preferably, the front and rear sides of the screen shell are provided with slide grooves, the front and rear ends of the outer side of the screen shell are provided with sliders, the sliders are slidably connected to the slide grooves, one end of the slider is provided with a return spring, the other end of the slider is provided with a push rod, the outer side of the slide groove is installed with a motor, the output shaft of the motor is connected to an eccentric wheel, and the outer side of the eccentric wheel is in contact with the push rod.

[0013] Preferably, the outer side surface of the sliding block contacts the inner side surface of the sliding groove through a roller, the outer side surface of the eccentric wheel is provided with an annular groove, and a universal ball support is installed at the end of the push rod, and the universal ball support is arranged in the annular groove.

[0014] Compared with the prior art, the beneficial effects of this application are:

[0015] 1. This white corundum fine powder dust-proof screening device can effectively suppress the dust generated during the screening process of white corundum fine powder. At the same time, it can also screen the white corundum fine powder while cleaning the screen, which can effectively improve the screening efficiency of white corundum fine powder;

[0016] 2. The material to be screened enters the diversion cylinder through the guide cylinder, and then enters the cylindrical dustproof cloth sleeve three through the diversion cylinder. Finally, the material falls into the screen housing through the cylindrical dustproof cloth sleeve three. The cylindrical dustproof cloth sleeve three can effectively prevent dust from overflowing during the material discharge process. Finally, the material is screened by the screen in the screen housing. After screening, the fine material is discharged into the collection device through the discharge port;

[0017] 3. The motor drives the eccentric wheel to rotate, and the eccentric wheel drives the push rod to move toward the reset spring. The slider compresses the reset spring. Under the joint action of the reset spring and the push rod, the slider moves left and right in the slide slot, thereby driving the screen to screen the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 This is the main view of this application;

[0020] Figure 3 is a top view of the screen housing;

[0021] Figure 4 This is a schematic diagram of the gate valve structure.

[0022] In the figure: 1 guide tube, 2 flange, 3 plug valve 1, 4 plug valve 2, 5 support frame, 6 cylindrical dustproof cloth cover 1, 7 discharge port, 8 screen shell, 9 discharge port bracket, 10 waste guide nozzle, 11 cylindrical dustproof cloth cover 2, 12 slider, 13 return spring, 14 slide, 15 diversion tube, 16 cylindrical dustproof cloth cover 3, 17 slag outlet, 18 partition, 19 electric control telescopic rod, 20 sealing cover, 21 sealing valve plate, 22 eccentric wheel, 23 motor, 24 push rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] In the description of this application, if the orientation description is involved, for example, the orientation or position relationship indicated by "upper", "lower", "front", "back", "left", "right", etc. is based on the attached Figure 2 The orientation or position relationship shown is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present application. When a feature is referred to as being "set", "fixed", or "connected" to another feature, it can be directly set, fixed, or connected to the other feature, or it can be indirectly set, fixed, or connected to the other feature.

[0025] See also Figure 1-4 The present application provides the following technical solutions: a white corundum fine powder dust-proof screening device, comprising a plug valve and a guide tube 1; the plug valve comprises a plug valve 1 3 and a plug valve 2 4, the lower end surface of the guide tube 1 is provided with two symmetrically arranged diversion tubes 15, the outer sides of the two diversion tubes 15 are both installed with a plug valve 1 3, a screen shell 8 is provided below the diversion tube 15, the left and right ends of the upper surface of the screen shell 8 are connected to the diversion tube 15 through a cylindrical dustproof cloth sleeve 3 16, a partition 18 is provided in the middle of the inner side surface of the screen shell 8, and the screen shell 8 is connected to a feed port 7 through a cylindrical dustproof cloth sleeve 1 6 arranged on its lower surface.

[0026] Specifically, the material to be screened enters the diversion cylinder 15 through the guide cylinder 1, then enters the cylindrical dustproof cloth sleeve three 16 through the diversion cylinder 15, and finally falls into the screen shell 8 through the cylindrical dustproof cloth sleeve three 16. The cylindrical dustproof cloth sleeve three 16 can effectively prevent the powder from overflowing during the material discharge process. Finally, the material is screened by the screen in the screen shell 8, and the fine material after screening is discharged into the collection device through the discharge port 7.

[0027] A filter screen is laid on the bottom of the inner side of the screen housing 8, and slag outlets 17 are provided at both ends of the outer side of the screen housing 8. An electric control valve is provided on the slag outlet 17, and a power mechanism for controlling its left and right vibration is provided on the outer side of the screen housing 8.

[0028] Specifically, after the material to be screened falls into the screen housing 8, the screen housing 8 is driven by the power mechanism to vibrate back and forth, so that the material can be screened quickly.

[0029] Furthermore, a flange 2 is provided on the upper end surface of the guide tube 1 .

[0030] Specifically, the arrangement of the flange 2 facilitates the installation of the equipment.

[0031] Furthermore, the gate valve comprises a sealing cover 20 , an electric-controlled telescopic rod 19 is provided on the inner side of the sealing cover 20 , and a sealing valve plate 21 is installed at the telescopic end of the electric-controlled telescopic rod 19 .

[0032] Specifically, the electrically controlled telescopic rod 19 controls the lifting and lowering of the sealing valve plate 21, thereby controlling the opening and closing of the plug valve.

[0033] Furthermore, a feed opening bracket 9 is provided on the outer side of the feed opening 7 .

[0034] Specifically, the material discharge port bracket 9 is used to fix the material discharge port 7 to prevent it from shaking during the material discharge process.

[0035] Furthermore, a waste diversion nozzle 10 is installed on the slag outlet 17, and a plug valve 2 4 is installed on the waste diversion nozzle 10.

[0036] Specifically, by opening the second gate valve 4 , large particles of solid material will be discharged through the waste diversion nozzle 10 .

[0037] Furthermore, the waste diversion nozzle 10 is arranged at an angle, and the discharge port of the waste diversion nozzle 10 is connected to the waste collection device through a cylindrical dustproof cloth cover 11.

[0038] Specifically, the inclined waste diversion nozzle 10 can ensure that the waste can be discharged smoothly from the waste diversion nozzle 10 .

[0039] Furthermore, the front and rear sides of the screen shell 8 are provided with a slide groove 14, and the front and rear ends of the outer side surface of the screen shell 8 are provided with sliders 12, the sliders 12 are slidably connected to the slide groove 14, one end of the slider 12 is provided with a return spring 13, and the other end of the slider 12 is provided with a push rod 24, and the outer side surface of the slide groove 14 is installed with a motor 23, the output shaft of the motor 23 is connected to the eccentric wheel 22, and the outer side surface of the eccentric wheel 22 is in contact with the push rod 24.

[0040] Specifically, the motor 23 drives the eccentric wheel 22 to rotate, the eccentric wheel 22 drives the push rod 24 to move toward the reset spring 13, the slider 12 compresses the reset spring 13, and the slider 12 moves left and right in the slide chute 14 under the action of the reset spring 13 and the push rod 24, thereby driving the screen to screen the material.

[0041] Furthermore, the outer side of the slider 12 contacts the inner side of the slide groove 14 through a roller, the outer side of the eccentric wheel 22 is provided with an annular groove, and the end of the push rod 24 is installed with a universal ball support, which is arranged in the annular groove.

[0042] Specifically, the arrangement of the roller and the universal ball support can reduce friction.

[0043] When in use: the material to be screened enters the diversion cylinder 15 through the guide cylinder 1, then enters the cylindrical dustproof cloth sleeve three 16 through the diversion cylinder 15, and finally falls into the screen housing 8 through the cylindrical dustproof cloth sleeve three 16.

[0044] Then the motor 23 drives the eccentric wheel 22, and the eccentric wheel 22 drives the push rod 24 to move toward the reset spring 13, the slider 12 compresses the reset spring 13, and the slider 12 moves left and right in the chute 14 under the action of the reset spring 13 and the push rod 24, thereby driving the screen to screen the material.

[0045] After the screening, the fine material is discharged into the collection device through the cylindrical dustproof cloth cover 16 and the discharge port 7. After the screen has worked for a period of time, the gate valve 13 is closed, and then the gate valve 24 is opened, and the large particles on the surface of the screen are discharged into the waste collection device through the waste guide nozzle 10 and the cylindrical dustproof cloth cover 211. After the waste is discharged, the gate valve 13 is opened, and then the gate valve 24 is closed, and the screen continues to work.

[0046] It is worth noting that the two gate valves 1 3 and the two gate valves 2 4 are not opened and closed at the same time, and the input ends of the gate valves and the motor 23 are electrically connected to the output end of the external power supply through the control switch.

[0047] Although the embodiments of the present application 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 application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A dust-proof screening device for white corundum fine powder, characterized in that: It comprises a plug valve and a flow guide tube (1); the plug valve comprises a plug valve 1 (3) and a plug valve 2 (4); the lower end surface of the flow guide tube (1) is provided with two symmetrically arranged flow diversion tubes (15); the outer side surfaces of the two flow diversion tubes (15) are both installed with a plug valve 1 (3); a screen housing (8) is provided below the flow diversion tube (15); the left and right ends of the upper surface of the screen housing (8) are connected to the flow diversion tube (15) through a cylindrical dustproof cloth sleeve 3 (16); a partition plate (18) is provided in the middle of the inner side surface of the screen housing (8); and the screen housing (8) is connected to a feed port (7) through a cylindrical dustproof cloth sleeve 1 (6) arranged on the lower surface thereof; A filter screen is laid on the bottom of the inner side of the screen housing (8), slag outlets (17) are provided at both left and right ends of the outer side of the screen housing (8), and an electric control valve is provided on the slag outlet (17). The outer side of the screen housing (8) is provided with a power mechanism for controlling its left and right vibration.

2. A dust-proof screening device for white corundum fine powder according to claim 1, characterized in that: The upper end surface of the guide cylinder (1) is provided with a flange (2).

3. The dust-proof screening device for white corundum fine powder according to claim 1 is characterized in that: The plug valve comprises a sealing cover (20), an inner side surface of the sealing cover (20) is provided with an electrically controlled telescopic rod (19), and a sealing valve plate (21) is installed at the telescopic end of the electrically controlled telescopic rod (19).

4. The dust-proof screening device for white corundum fine powder according to claim 1 is characterized in that: A material discharge port bracket (9) is provided on the outer side surface of the material discharge port (7).

5. The dust-proof screening device for white corundum fine powder according to claim 1 is characterized in that: The slag outlet (17) is provided with a waste diversion nozzle (10), and a second plug-in valve (4) is provided on the waste diversion nozzle (10).

6. A dust-proof screening device for white corundum fine powder according to claim 5, characterized in that: The waste diversion nozzle (10) is arranged at an angle, and the discharge port of the waste diversion nozzle (10) is connected to the waste collection device via a second cylindrical dustproof cloth sleeve (11).

7. The dust-proof screening device for white corundum fine powder according to claim 1 is characterized in that: The screen housing (8) is provided with a slide groove (14) on both the front and rear sides, and a slider (12) is provided on both the front and rear ends of the outer side surface of the screen housing (8). The slider (12) is slidably connected to the slide groove (14). A return spring (13) is provided at one end of the slider (12), and a push rod (24) is provided at the other end of the slider (12). A motor (23) is installed on the outer side surface of the slide groove (14), and an eccentric wheel (22) is connected to the output shaft of the motor (23). The outer side surface of the eccentric wheel (22) is in contact with the push rod (24).

8. The dust-proof screening device for white corundum fine powder according to claim 7, characterized in that: The outer side surface of the slider (12) contacts the inner side surface of the slide groove (14) via a roller, the outer side surface of the eccentric wheel (22) is provided with an annular groove, and the end of the push rod (24) is provided with a universal ball support, which is arranged in the annular groove.