Abrasive grading vibrating screen

Abstract

The utility model belongs to the technical field of abrasive grading, and particularly relates to an abrasive grading vibrating screen which comprises a dust collecting box, a filter plate installed on the inner side of the dust collecting box, a sliding rail installed on one side of the dust collecting box, a sliding block installed in the sliding rail in a sliding mode, a connecting plate installed on one side of the sliding block, and a driving motor installed on the top side of the connecting plate. A first gear is installed at the output end of the driving motor, a rack is installed on one side of the dust collecting box, a connecting column is installed on the bottom side of the connecting plate, and a cleaning brush is installed on the bottom side of the connecting column. The driving motor is started to drive the first gear to rotate, due to the fact that the first gear is meshed with the rack, the sliding block slides in the sliding rail, the connecting plate reciprocates along the dust collecting box, the connecting plate drives the cleaning brush to move through the connecting column, accumulated dust on the filter plate is cleaned, and the phenomenon that the filter plate is blocked is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of abrasive grading, in particular to an abrasive grading vibrating screen. Background Art

[0002] Abrasives are sharp, hard materials used to grind the surface of softer materials. During the production and use process, there are often different particle sizes. The abrasives need to be graded according to the particle size. In order to provide efficient screening and separation, a vibrating screen is needed.

[0003] A Chinese patent with announcement number CN219092678U discloses an abrasive grading vibrating screen, including a screening box, a top screen is provided at the top entrance of the screening box, and a secondary screen and a bottom screen are fixedly installed inside the screening box from top to bottom. In the utility model, during the screening process, the working motor drives the driving rod and the driving disk to rotate, so that the driving disk continuously squeezes the two vibrating rods, and then the two vibrating rods hit the secondary screen and the bottom screen in turn, and under the elastic reset cooperation of the sleeve spring, the secondary screen and the bottom screen are continuously vibrated, thereby improving the screening effect.

[0004] However, the above-mentioned vibration screen still has some problems. In practical applications, dust collection is required when grading abrasives. As time goes by, more and more dust and impurities will accumulate on the filter plate. If not cleaned in time, the pores of the filter plate will gradually be blocked, resulting in increased ventilation resistance and weakened suction of the dust collection component, affecting its dust absorption capacity. Therefore, an abrasive grading vibration screen is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background technology, the utility model proposes an abrasive grading vibrating screen.

[0006] The technical solution adopted by the utility model to solve its technical problems is: an abrasive grading vibrating screen described in the utility model comprises a main board, a dust box is installed at one end of the top side of the main board, a filter plate is installed on the inner side of the dust box, a slide rail is installed on one side of the dust box, a European slider is slidably installed inside the slide rail, a connecting plate is installed on one side of the slider, a driving motor is installed on the top side of the connecting plate, a gear 1 is installed on the output end of the driving motor, a rack is installed on one side of the dust box, and the gear 1 and the rack are meshed with each other, a connecting column is installed on the bottom side of the connecting plate, and a cleaning brush is installed on the bottom side of the connecting column, and the cleaning brush is fitted with the filter plate to realize the automatic reciprocating motion of the cleaning brush, effectively clean the dust accumulated on the filter plate, and reduce the clogging of the filter plate.

[0007] Preferably, a negative pressure motor is installed on the bottom side of the dust box, three fan blades are installed on the output end of the negative pressure motor, the top side of the dust box is connected to a conveying pipe, one end of the conveying pipe is connected to a dust hood, and one side of the bottom end of the dust box is connected to an exhaust pipe, which quickly sucks in the dust generated during the screening process and discharges clean air after being filtered through a filter plate, thereby effectively improving the working environment.

[0008] Preferably, a plurality of springs are equidistantly installed at the other end of the top side of the main board, the top ends of the springs are commonly connected to a sieve cylinder, the dust hood is located inside the sieve cylinder, two mounting plates are symmetrically installed on the bottom side of the sieve cylinder, a vibration motor is installed on one side of the mounting plate, a rotating shaft is installed on the output end of the vibration motor, one end of the rotating shaft passes through the sieve cylinder and is rotatably installed inside the mounting plate, and eccentric wheels are installed on both ends of the rotating shaft to realize the vibration of the sieve cylinder and fully screen the abrasive in the sieve cylinder.

[0009] Preferably, three sieves are equidistantly installed on the inner wall of the sieve cylinder, and the apertures of the sieves decrease successively, wherein the bottom sieve is a sieve without aperture, and a discharge pipe is connected to one side of the sieve cylinder located on the sieve, and a feed port is opened on the top side of the sieve cylinder, thereby realizing fine grading of the abrasive.

[0010] Preferably, a driving bevel gear is installed on the outer wall of the rotating shaft, a rotating shaft is rotatably installed inside the screen cylinder, three scrapers are installed on the outer wall of the rotating shaft, and the scrapers are respectively arranged in contact with the screen, and a driven bevel gear is installed on the bottom outer wall of the rotating shaft. The driving bevel gear and the driven bevel gear are meshed with each other, which effectively prevents the sieve holes from being blocked and improves the screening efficiency.

[0011] Preferably, a control panel is installed on one side of the screen drum, and the control panel is used to operate and control the electrical components inside the device, thereby realizing centralized control of the electrical components.

[0012] The utility model is beneficial in that:

[0013] 1. The utility model starts the driving motor to drive the gear 1 to rotate. Since the gear 1 and the rack are meshed with each other, the slider slides in the slide rail, so that the connecting plate reciprocates along the dust box. The connecting plate drives the cleaning brush to move through the connecting column to clean the dust accumulated on the filter plate, thereby reducing the clogging of the filter plate.

[0014] 2. The utility model starts the vibration motor, and its output end drives the rotating shaft to rotate, and the eccentric wheel rotates accordingly. Due to the eccentric effect of the eccentric wheel, an exciting force is generated, so that the screen drum starts to vibrate under the support of the spring, thereby improving the screening effect, and the active bevel gear on the rotating shaft drives the driven bevel gear meshing with it to rotate, so that the rotating shaft drives the scraper to rotate accordingly, which can effectively scrape off the abrasive blocked in the screen hole, prevent the screen hole from being blocked, and improve the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the structure of the medium axis side view of the utility model;

[0017] Figure 2 It is a schematic diagram of the main structure of the vibrating screen;

[0018] Figure 3 This is a schematic diagram of the filter plate cleaning assembly structure;

[0019] Figure 4 It is a schematic diagram of the internal components of the screen drum;

[0020] Figure 5 It is a schematic diagram of the vibration component structure.

[0021] In the figure: 1. main board; 2. dust box; 3. filter plate; 4. slide rail; 5. slider; 6. connecting plate; 7. drive motor; 8. gear 1; 9. rack; 10. connecting column; 11. cleaning brush; 12. negative pressure motor; 13. fan blade; 14. conveying pipe; 15. dust hood; 16. exhaust pipe; 17. spring; 18. screen drum; 19. mounting plate; 20. vibration motor; 21. rotating shaft; 22. eccentric wheel; 23. screen; 24. discharge pipe; 25. feed port; 26. active bevel gear; 27. rotating shaft; 28. scraper; 29. ​​driven bevel gear; 30. control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 As shown, an abrasive grading vibrating screen comprises a main board 1, a dust box 2 is installed at one end of the top side of the main board 1, a filter plate 3 is installed inside the dust box 2, a slide rail 4 is installed on one side of the dust box 2, a slider 5 is installed inside the slide rail 4, a connecting plate 6 is installed on one side of the slider 5, a driving motor 7 is installed on the top side of the connecting plate 6, a gear 8 is installed on the output end of the driving motor 7, a rack 9 is installed on one side of the dust box 2, and the gear 8 and the rack 9 mesh with each other. The bottom side of the connecting plate 6 is equipped with a connecting column 10, and the bottom side of the connecting column 10 is equipped with a cleaning brush 11, and the cleaning brush 11 is arranged in close contact with the filter plate 3. The bottom side of the dust box 2 is equipped with a negative pressure motor 12, and the output end of the negative pressure motor 12 is equipped with three fan blades 13. The top side of the dust box 2 is connected to a conveying pipe 14, and one end of the conveying pipe 14 is connected to a dust hood 15. The bottom side of the dust box 2 is connected to an exhaust pipe 16, and one side of the screen drum 18 is equipped with a control When working, as time goes by, more and more dust and impurities will accumulate on the filter plate 3. If they are not cleaned in time, the pores of the filter plate 3 will gradually be blocked, resulting in increased ventilation resistance and weakened suction force of the dust suction component, affecting its dust absorption capacity. The negative pressure motor 12 is started, and the output end of the negative pressure motor 12 drives the fan blades 13 to rotate, generating negative pressure in the dust box 2. With the cooperation of the conveying pipe 14 and the dust hood 15, the dust generated during the screening process of the sieve drum 18 is quickly sucked into the dust box 2. At the same time, the driving motor 7 is started to drive the gear 8 to rotate. Since the gear 8 and the rack 9 are meshed with each other, the slider 5 slides in the slide rail 4, so that the connecting plate 6 reciprocates along the dust box 2. The connecting plate 6 drives the cleaning brush 11 to move through the connecting column 10. The cleaning brush 11 fits with the filter plate 3 to clean the dust on the filter plate 3, reducing the clogging of the filter plate 3. The clean air filtered by the filter plate 3 is discharged from the exhaust pipe 16, effectively improving the working environment.

[0024] See also Figure 1 , 2, 4, and 5, a plurality of springs 17 are equidistantly mounted on the other end of the top side of the main board 1, and the top ends of the springs 17 are commonly connected to a screen drum 18. The dust cover 15 is located inside the screen drum 18, and two mounting plates 19 are symmetrically mounted on the bottom side of the screen drum 18. A vibration motor 20 is mounted on one side of the mounting plate 19, and a rotating shaft 21 is mounted on the output end of the vibration motor 20. One end of the rotating shaft 21 passes through the screen drum 18 and is rotatably mounted inside the mounting plate 19. Eccentric wheels 22 are mounted on both ends of the rotating shaft 21, and the inner wall of the screen drum 18 is equidistantly mounted with There are three screens 23, the apertures of the screens 23 decrease in sequence, wherein the bottom screen 23 is a screen 23 without an aperture, the screen drum 18 is connected to a discharge pipe 24 on one side of the screen 23, a feed port 25 is provided on the top side of the screen drum 18, a driving bevel gear 26 is installed on the outer wall of the rotating shaft 21, a rotating shaft 27 is rotatably installed through the interior of the screen drum 18, three scrapers 28 are installed on the outer wall of the rotating shaft 27, the scrapers 28 are respectively arranged in contact with the screens 23, a driven bevel gear 29 is installed on the bottom outer wall of the rotating shaft 27, the driving bevel gear 26 is installed on the outer wall of the rotating shaft 27, The driving bevel gear 26 and the driven bevel gear 29 mesh with each other; when working, there are often different particle sizes in the production and use process, and the abrasive needs to be classified according to the particle size. In order to provide efficient screening and separation, a vibrating screen is needed. The vibration motor 20 is started, and its output end drives the rotating shaft 21 to rotate, and the eccentric wheel 22 rotates accordingly. Due to the eccentricity of the eccentric wheel 22, an exciting force is generated, so that the screen drum 18 starts to vibrate under the support of the spring 17, and the abrasive enters the screen drum 18 from the feed port 25. Under the vibration of the screen drum 18, the abrasive is The mesh 23 keeps jumping and tumbling. As the aperture of the mesh 23 decreases successively, abrasives of different particle sizes pass through the mesh 23 of corresponding apertures successively and are discharged from the corresponding discharge pipe 24, thereby achieving fine grading of the abrasives. Among them, the mesh 23 without aperture on the bottom side is used to receive the abrasives that ultimately cannot pass through the mesh holes. During the screening process, the active bevel gear 26 on the rotating shaft 21 drives the driven bevel gear 29 meshing therewith to rotate, thereby causing the rotating shaft 27 to drive the scraper 28 to rotate accordingly, which can effectively scrape off the abrasives blocked in the mesh holes, prevent the mesh holes from being blocked, and improve the screening efficiency.

[0025] Working principle: Start the vibration motor 20, and its output end drives the rotating shaft 21 to rotate, and the eccentric wheel 22 rotates accordingly. Due to the eccentric action of the eccentric wheel 22, an exciting force is generated, so that the screen drum 18 starts to vibrate under the support of the spring 17, and the abrasive enters the screen drum 18 from the feed port 25. Under the vibration action of the screen drum 18, the abrasive keeps jumping and rolling on the screen mesh 23. As the aperture of the screen mesh 23 decreases successively, abrasives of different particle sizes pass through the screen mesh 23 of corresponding aperture in turn and are discharged from the corresponding discharge pipe 24, thereby realizing fine grading of the abrasive. Among them, the aperture-free screen mesh 23 on the bottom side is used to receive the abrasive that ultimately cannot pass through the screen hole. During the screening process, the active bevel gear 26 on the rotating shaft 21 drives the driven bevel gear 29 meshing therewith to rotate, so that the rotating shaft 27 drives the scraper 28 to rotate accordingly, which can effectively scrape off the abrasive blocked in the screen hole, prevent the screen hole from being blocked, and improve the screening efficiency.

[0026] The negative pressure motor 12 is started, and its output end drives the fan blades 13 to rotate, generating negative pressure in the dust box 2. With the cooperation of the conveying pipe 14 and the dust hood 15, the dust generated during the screening process of the screen drum 18 is quickly sucked into the dust box 2. At the same time, the driving motor 7 is started to drive the gear 8 to rotate. Since the gear 8 and the rack 9 are meshed with each other, the slider 5 slides in the slide rail 4, so that the connecting plate 6 reciprocates along the dust box 2. The connecting plate 6 drives the cleaning brush 11 to move through the connecting column 10. The cleaning brush 11 fits with the filter plate 3 to clean the accumulated dust on the filter plate 3, reducing the clogging of the filter plate 3. The clean air filtered by the filter plate 3 is discharged from the exhaust pipe 16, effectively improving the working environment.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An abrasive grading vibrating screen, characterized in that: The invention comprises a main board (1), a dust box (2) being mounted on one end of the top side of the main board (1), a filter plate (3) being mounted on the inner side of the dust box (2), a slide rail (4) being mounted on one side of the dust box (2), a sliding block (5) being mounted inside the sliding rail (4), a connecting plate (6) being mounted on one side of the sliding block (5), a driving motor (7) being mounted on the top side of the connecting plate (6), a gear 1 (8) being mounted on the output end of the driving motor (7), a rack (9) being mounted on one side of the dust box (2), and the gear 1 (8) and the rack (9) being meshed with each other, a connecting column (10) being mounted on the bottom side of the connecting plate (6), a cleaning brush (11) being mounted on the bottom side of the connecting column (10), and the cleaning brush (11) and the filter plate (3) being arranged in close contact with each other.

2. The abrasive grading vibrating screen according to claim 1, characterized in that: A negative pressure motor (12) is installed on the bottom side of the dust collecting box (2), and three fan blades (13) are installed on the output end of the negative pressure motor (12). A conveying pipe (14) is connected to the top side of the dust collecting box (2), and one end of the conveying pipe (14) is connected to a dust hood (15). One side of the bottom end of the dust collecting box (2) is connected to an exhaust pipe (16).

3. The abrasive grading vibrating screen according to claim 2, characterized in that: A plurality of springs (17) are equidistantly mounted on the other end of the top side of the main board (1), the top ends of the springs (17) being commonly connected to a screen drum (18), the dust cover (15) being located inside the screen drum (18), two mounting plates (19) being symmetrically mounted on the bottom side of the screen drum (18), a vibration motor (20) being mounted on one side of the mounting plate (19), a rotating shaft (21) being mounted on the output end of the vibration motor (20), one end of the rotating shaft (21) passing through the screen drum (18) and being rotatably mounted inside the mounting plate (19), and eccentric wheels (22) being mounted on both ends of the rotating shaft (21).

4. The abrasive grading vibrating screen according to claim 3, characterized in that: Three screens (23) are equidistantly mounted on the inner wall of the screen cylinder (18), the apertures of the screens (23) decreasing in sequence, wherein the bottom screen (23) is a screen with no aperture (23), one side of the screen cylinder (18) located on the screen (23) is connected to a discharge pipe (24), and a feed port (25) is provided on the top side of the screen cylinder (18).

5. The abrasive grading vibrating screen according to claim 4, characterized in that: A driving bevel gear (26) is mounted on the outer wall of the rotating shaft (21); a rotating shaft (27) is rotatably mounted inside the screen drum (18); three scrapers (28) are mounted on the outer wall of the rotating shaft (27); the scrapers (28) are respectively arranged in close contact with the screen (23); a driven bevel gear (29) is mounted on the outer wall of the bottom side of the rotating shaft (27); the driving bevel gear (26) and the driven bevel gear (29) are meshed with each other.

6. The abrasive grading vibrating screen according to claim 5, characterized in that: A control panel (30) is installed on one side of the screen drum (18), and the control panel (30) is used to control the operation of electrical components inside the device.

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