High-efficiency high-frequency linear screening device

Abstract

This utility model discloses a high-efficiency, high-frequency linear screening device, including a frame with support springs fixedly connected to the four corners of the top of the frame. Through the cooperation of the frame, support springs, and screening box, this utility model effectively reduces vibration transmission to the frame, ensuring the stability of equipment operation. The electromagnetic vibrator provides efficient vibration power to the screening box, enabling the material inside the screening box to move quickly and fully on the screening mesh, improving screening efficiency and frequency. The cooperation between the fixed plate and the screening mesh ensures uniform distribution and movement of the material on the screening mesh, improving screening accuracy. Then, a cleaning mechanism consisting of an airflow purging component, an electric slide rail, a slider, a rotating block, a micro motor, a rotating shaft, and brushes automatically cleans the screening mesh, preventing material blockage and ensuring screening effect. This solves the problems of low screening efficiency and easy screen blockage in existing linear screening equipment.

Description

Technical Field

[0001] This utility model relates to the field of linear screening technology, specifically to a high-efficiency, high-frequency linear screening device. Background Technology

[0002] In many industrial production processes, such as mining, metallurgy, chemical, and food industries, material screening is crucial. Linear screens (linear vibrating screens) use a vibrating motor as the vibration source, causing the material to be thrown up on the screen mesh while moving forward in a straight line. The material enters the feed inlet of the screening machine evenly from the feeder, and through multiple layers of screens, it produces several specifications of oversize and undersize materials, which are discharged from their respective outlets.

[0003] Traditional linear screening equipment has limitations in practical applications. Mined ores often contain a large amount of impurities of varying particle sizes, requiring screening to separate them into different grades. However, traditional linear screening equipment shows significant drawbacks when dealing with high-moisture, high-viscosity ores. The moist sludge in these ores easily adheres to the screen, causing blockages and necessitating frequent shutdowns for cleaning. Each cleaning not only consumes considerable time but also disrupts production, significantly reducing overall output. Furthermore, the fixed vibration frequency of traditional equipment makes it difficult to adapt to ores with varying hardness and particle size distributions. For fine-grained ores, the screening effect is particularly unsatisfactory, with many valuable minerals failing to separate effectively and being discharged with the oversize material, resulting in a serious waste of resources.

[0004] Therefore, there is a need to provide a high-efficiency, high-frequency linear screening device to solve this problem. Utility Model Content

[0005] To address the problems mentioned in the background section, the present invention aims to provide a high-efficiency, high-frequency linear screening device that solves the problems of low screening efficiency and easy clogging of existing linear screening devices.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-efficiency, high-frequency linear screening device, comprising a frame, with support springs fixedly connected to the four corners of the top of the frame, and connecting members fixedly connected to the top of the support springs. The same screening box is fixedly connected inside the four connecting members, and a support member is fixedly connected to the bottom of the screening box. An electromagnetic vibrator is fixedly connected to the bottom of the support member. Support bars are symmetrically fixedly connected inside the screening box, and airflow purging components are provided on the surface of the support bars. The tops of two support bars are fixedly connected to the same fixing plate, and the inner wall of the fixing plate is fixed... The screening box is connected to a screening screen. Two discharge hoppers are connected to the other end of the screening box, located above and below a fixed plate, respectively. Electric slide rails are symmetrically fixed to both sides of the inner wall of the screening box. A slider is fixedly connected to the output end of each electric slide rail. A rotating block is fixedly connected to the top of the slider. A micro motor is fixedly connected to the inner wall of the rotating block. A rotating shaft is fixedly connected to the output end of the micro motor, and the other end of the rotating shaft is rotatably connected to another rotating block. A brush is fixedly connected to the surface of the rotating shaft, and the brush works in conjunction with the screening screen. A control panel is fixedly connected to the top of the frame.

[0007] As a preferred embodiment of this utility model, the airflow purging assembly includes an inclined groove, which is formed on the surface of the inner wall of the support bar. A flow divider is fixedly connected to the bottom of the inclined groove, and the output end of the flow divider is connected to a plurality of uniformly arranged nozzles, which are used in conjunction with the screening screen.

[0008] As a preferred embodiment of this utility model, the air outlet of the nozzle adopts a flat design, and deflecting components are symmetrically rotatably connected to both sides of the nozzle. The deflecting components are fixedly connected to the flow divider, and the deflecting components are driven by a micro deflection motor.

[0009] In a preferred embodiment of this invention, the input end of the distributor passes through the screening box and is connected to a flow equalization pipe. The input end of the flow equalization pipe is connected to an air pump, and the input end of the air pump is connected to an external compressed air source.

[0010] As a preferred embodiment of this invention, a dust cover is fixedly connected to the top of the screening box, and a feed hopper is connected to the top of the dust cover.

[0011] As a preferred embodiment of this utility model, a guide strip is fixedly connected to the surface of the electric slide rail, and a groove is provided at the bottom of the guide strip, and the groove is slidably connected to the slider.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model, through the cooperation of the frame, supporting springs, and screening box, effectively reduces the vibration transmitted to the frame, ensures the stability of equipment operation, and extends the service life of the equipment. The electromagnetic vibrator provides efficient vibration power to the screening box, enabling the material inside the screening box to move quickly and fully on the screening mesh, improving screening efficiency and frequency. The cooperation between the fixed plate and the screening mesh ensures that the material is evenly distributed and moves on the screening mesh, improving screening accuracy. Then, the cleaning mechanism, composed of an airflow blowing component, electric slide rail, slider, rotating block, micro motor, rotating shaft, and brush, automatically cleans the screening mesh, preventing material blockage and ensuring screening effect. This solves the problems of low screening efficiency and easy screen blockage in existing linear screening equipment.

[0014] 2. This utility model, through the setting of inclined groove, diverter and nozzle, can periodically blow high-pressure airflow onto the surface of the screening screen, further remove the material blocking the screen holes of the screening screen, and improve screening efficiency and quality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a partial cross-sectional perspective view of the structure of this utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the support bar and electric slide rail used in conjunction with this utility model.

[0018] Figure 4 This utility model Figure 3 Enlarged diagram of point A in the middle.

[0019] In the diagram: 1. Frame; 2. Support spring; 3. Connector; 4. Screening box; 5. Support component; 6. Electromagnetic vibrator; 7. Support bar; 8. Fixing plate; 9. Screening screen; 10. Discharge hopper; 11. Electric slide rail; 12. Slider; 13. Rotating block; 14. Micro motor; 15. Rotating shaft; 16. Brush; 17. Control panel; 18. Inclined trough; 19. Diverter; 20. Nozzle; 21. Deflector; 22. Flow equalization pipe; 23. Air pump; 24. Dust cover; 25. Feed hopper; 26. Guide bar. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figures 1 to 4 As shown, this utility model provides a high-efficiency, high-frequency linear screening device, including a frame 1. Supporting springs 2 are fixedly connected to the four corners of the top of the frame 1. Connecting parts 3 are fixedly connected to the top of the supporting springs 2. The same screening box 4 is fixedly connected inside the four connecting parts 3. Supporting parts 5 are fixedly connected to the bottom of the screening box 4. An electromagnetic vibrator 6 is fixedly connected to the bottom of the supporting parts 5. The electromagnetic vibrator 6 is a mature existing technology product, which has a higher vibration frequency and a more precise frequency adjustment range. The electromagnetic vibrator 6 is connected to a power supply through a controller, and the vibration frequency and amplitude can be flexibly adjusted within a wide range according to the material characteristics and screening requirements. Supporting bars 7 are symmetrically fixedly connected inside the screening box 4. Airflow purging components are provided on the surface of the supporting bars 7. Two supporting bars... The top of the 7 is fixedly connected to the same fixed plate 8. The inner wall of the fixed plate 8 is fixedly connected to the screening screen 9. The other end of the screening box 4 is connected to two discharge hoppers 10, and the two discharge hoppers 10 are located above and below the fixed plate 8 respectively. Electric slide rails 11 are symmetrically fixedly connected to both sides of the inner wall of the screening box 4. The output end of the electric slide rail 11 is fixedly connected to the slider 12. The top of the slider 12 is fixedly connected to the rotating block 13. The inner wall of the rotating block 13 is fixedly connected to the micro motor 14. The output end of the micro motor 14 is fixedly connected to the rotating shaft 15, and the other end of the rotating shaft 15 is rotatably connected to another rotating block 13. The surface of the rotating shaft 15 is fixedly connected to the brush 16, and the brush 16 is used in conjunction with the screening screen 9. The top of the frame 1 is fixedly connected to the control panel 17.

[0022] refer to Figure 3 and Figure 4 The airflow purging assembly includes an inclined groove 18, which is opened on the surface of the inner wall of the support bar 7. A diverter 19 is fixedly connected to the bottom of the inclined groove 18. The output end of the diverter 19 is connected to a number of evenly arranged nozzles 20, and the nozzles 20 are used in conjunction with the screening screen 9.

[0023] As a technical optimization of this utility model, by setting up the inclined groove 18, the diverter 19 and the nozzle 20, high-pressure airflow can be blown onto the surface of the screening screen 9 periodically to further remove the material blocking the screen holes of the screening screen 9 and improve screening efficiency and quality.

[0024] refer to Figure 4 The nozzle 20 has a flat air outlet and a deflector 21 is symmetrically connected to both sides of the nozzle 20. The deflector 21 is fixedly connected to the distributor 19 and is driven by a micro deflector motor.

[0025] As a technical optimization of this utility model, by setting up a flat nozzle 20 and a deflector 21, the airflow blowing angle can be flexibly adjusted, so that the airflow can act more accurately on the material at different positions on the screening screen 9, thereby enhancing the cleaning effect.

[0026] refer to Figure 2 and Figure 3 The input end of the distributor 19 passes through the screening box 4 and is connected to the flow equalization pipe 22. The input end of the flow equalization pipe 22 is connected to the air pump 23, and the input end of the air pump 23 is connected to an external compressed air source.

[0027] As a technical optimization of this utility model, the arrangement of the flow equalization pipe 22 and the air pump 23 can provide stable and uniform compressed air for the airflow purging assembly, ensuring the stability and continuity of the airflow purging, thereby ensuring the consistency of the screening effect.

[0028] refer to Figure 1 and Figure 2 A dust cover 24 is fixedly connected to the top of the screening box 4. The top of the dust cover 24 is connected to the feed hopper 25, and the top of the feed hopper 25 is connected to an external metering feeder (not shown).

[0029] As a technical optimization of this utility model, the dust cover 24 can effectively prevent dust generated during the screening process from flying, improve the working environment, and protect the health of operators.

[0030] refer to Figure 3 and Figure 4 The surface of the electric slide rail 11 is fixedly connected with a guide bar 26, and the bottom of the guide bar 26 is provided with a sliding groove, which is slidably connected to the slider 12.

[0031] As a technical optimization of this utility model, the guide strip 26 and the chute can guide the slider 12 to run smoothly on the electric slide rail 11, improve the reliability and stability of the cleaning device, and prevent the output end of the electric slide rail 11 from being blocked by material.

[0032] The working principle and usage process of this utility model are as follows: When using this linear screening equipment, first place the equipment in a suitable position, connect the power supply of components such as the electromagnetic vibrator 6, electric slide rail 11, micro motor 14, and air pump 23, and check whether each component is normal. Place the material to be screened near the feed hopper 25, prepare a container for collecting the screened material and place it below the discharge hopper 10, and connect the external metering feeder to the feed hopper 25 on the dust cover 24. This allows for precise control of the material feeding speed and amount, ensuring that the material is evenly distributed on the screen and avoiding reduced screening efficiency due to uneven feeding. Then, turn on the equipment power and add the material to the screening screen 9 in the screening box 4 through the feed hopper 25. The material falls onto the screening screen 9 under the action of gravity, and at the same time, the electromagnetic vibrator 6 starts working, causing the screening box 4 to vibrate. The material begins to make a jumping linear motion on the screening screen. During the material movement, the material is smaller than the holes of the screening screen 9. Material with a diameter greater than the screen diameter falls below through the screen holes and is discharged from the discharge hopper 10 located below the fixed plate 8 as undersize material; material with a diameter greater than the screen diameter continues to move on the screening screen and is eventually discharged from the discharge hopper 10 located above the fixed plate 8 as oversize material. During this process, the cleaning device consisting of the electric slide rail 11, slider 12, rotating block 13, micro motor 14, rotating shaft 15 and brush 16, as well as the airflow blowing assembly, will work simultaneously to clean and blow the screening screen 9 to ensure the screening effect. The brush 16 can clean the material adhering to the screen in time, and the airflow blowing assembly will periodically blow high-pressure airflow onto the surface of the screening screen 9 to further remove the material particles clogging the screen holes.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency, high-frequency linear screening device, comprising a frame (1), characterized in that: Support springs (2) are fixedly connected to the four corners of the top of the frame (1). Connecting parts (3) are fixedly connected to the top of the support springs (2). The same screening box (4) is fixedly connected inside the four connecting parts (3). Supporting parts (5) are fixedly connected to the bottom of the screening box (4). Electromagnetic vibrators (6) are fixedly connected to the bottom of the supporting parts (5). Supporting strips (7) are symmetrically fixedly connected inside the screening box (4). Airflow purging components are provided on the surface of the supporting strips (7). The same fixing plate (8) is fixedly connected to the top of the two supporting strips (7). Screening screens (9) are fixedly connected to the inner wall of the fixing plate (8). The other end of the screening box (4) is connected to two discharge hoppers (10). The buckets (10) are located above and below the fixed plate (8). Electric slide rails (11) are symmetrically fixedly connected to both sides of the inner wall of the screening box (4). A slider (12) is fixedly connected to the output end of the electric slide rail (11). A rotating block (13) is fixedly connected to the top of the slider (12). A micro motor (14) is fixedly connected to the inner wall of the rotating block (13). A rotating shaft (15) is fixedly connected to the output end of the micro motor (14). The other end of the rotating shaft (15) is rotatably connected to another rotating block (13). A brush (16) is fixedly connected to the surface of the rotating shaft (15). The brush (16) is used in conjunction with the screening screen (9). A control panel (17) is fixedly connected to the top of the frame (1).

2. The high-efficiency, high-frequency linear screening equipment according to claim 1, characterized in that: The airflow purging assembly includes an inclined groove (18), which is opened on the surface of the inner wall of the support bar (7). A diverter (19) is fixedly connected to the bottom of the inclined groove (18). The output end of the diverter (19) is connected to several uniformly arranged nozzles (20), and the nozzles (20) are used in conjunction with the screening screen (9).

3. The high-efficiency, high-frequency linear screening equipment according to claim 2, characterized in that: The nozzle (20) has a flat air outlet. The nozzle (20) is symmetrically connected to two sides by deflector (21), and the deflector (21) is fixedly connected to the distributor (19). The deflector (21) is driven by a micro deflector motor.

4. The high-efficiency, high-frequency linear screening equipment according to claim 2, characterized in that: The input end of the distributor (19) passes through the screening box (4) and is connected to the flow equalization pipe (22). The input end of the flow equalization pipe (22) is connected to the air pump (23), and the input end of the air pump (23) is connected to an external compressed air source.

5. The high-efficiency, high-frequency linear screening equipment according to claim 1, characterized in that: The top of the screening box (4) is fixedly connected to a dust cover (24), and the top of the dust cover (24) is connected to a feed hopper (25).

6. The high-efficiency, high-frequency linear screening equipment according to claim 1, characterized in that: The electric slide rail (11) has a guide strip (26) fixedly connected to its surface. The bottom of the guide strip (26) has a groove, and the groove is slidably connected to the slider (12).

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