Negative pressure adsorption dust removal device

Abstract

The utility model discloses a negative pressure adsorption dust removal device, relates to adsorption dust removal technical field, including U-shaped frame and suction nozzle, the lower side of U-shaped frame is rotatingly provided with two-way screw rod, the rod wall of two-way screw rod is both threaded sleeve joint with slider, the two suction nozzle is fixed on the lower side of corresponding slider, the suction nozzle is fixed on the lower side of U-shaped frame. A motor is fixedly arranged on one side of the U-shaped frame, the output end of the motor is fixedly connected with one end of a bidirectional lead screw, a fixing shell is fixedly arranged in the middle of the upper surface of the U-shaped frame, an air inlet and an air outlet are formed in the two ends of the fixing shell respectively, and a filter screen cylinder is rotationally arranged in the middle of the fixing shell. And an opening is formed in one side of the fixing shell, a scraping plate is clamped in the opening, and one end of the scraping plate abuts against the filter screen cylinder. According to the dust removal device, efficient dust removal work can be carried out, the filter screen can be cleaned while dust removal is carried out, and stable dust removal work is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of adsorption dust removal, and particularly relates to a negative pressure adsorption dust removal device. Background Art

[0002] A diffusion sheet is one of the components of a backlight module. The diffusion plate is also called a diffusion sheet by some people. Its main function is to provide a uniform surface light source for the display. During the processing of the diffusion sheet, in order to ensure the processing quality, it is necessary to perform dust removal treatment on the diffusion sheet.

[0003] The filter plate of the traditional negative pressure adsorption dust removal device is usually fixedly arranged statically. Therefore, the sucked dust will accumulate on the surface of the filter plate. After a period of time, it will cause the filter plate to be blocked, affecting normal use, and manual cleaning is required, which is very cumbersome. Summary of the Utility Model

[0004] In view of the problems existing in the above-mentioned existing negative pressure adsorption dust removal device, the present utility model is proposed.

[0005] Therefore, the purpose of the present utility model is to provide a negative pressure adsorption dust removal device, which solves the problem that the filter plate of the negative pressure adsorption dust removal device in the prior art is usually fixedly arranged statically. Therefore, the sucked dust will accumulate on the surface of the filter plate. After a period of time, it will cause the filter plate to be blocked, affecting normal use, and manual cleaning is required, which is very cumbersome.

[0006] In order to achieve the above purpose, the present utility model provides the following technical solutions:

[0007] A negative pressure adsorption dust removal device includes a U-shaped frame and a suction nozzle. A bidirectional lead screw is rotatably arranged on the lower side of the U-shaped frame. Sliders are threadedly sleeved on the rod walls of the two bidirectional lead screws. The two suction nozzles are fixedly arranged on the lower sides of the corresponding sliders. A motor is fixedly arranged on one side of the U-shaped frame. The output end of the motor is fixedly connected to one end of the bidirectional lead screw. A fixed shell is fixedly arranged in the middle of the upper surface of the U-shaped frame. An air inlet hole and an air outlet hole are respectively opened at both ends of the fixed shell. A filter screen cylinder is rotatably arranged in the middle of the fixed shell. An opening is opened on one side of the fixed shell. A scraper is clamped inside the opening. One end of the scraper abuts against the filter screen cylinder. A connecting mechanism is arranged between the outer end of the scraper and the filter shell. The scraper is fixedly connected to the filter shell through the connecting mechanism. A suction fan is fixedly arranged on the top of the fixed shell. The air inlet of the suction fan is communicated with the air outlet of the fixed shell. A groove is opened on the lower side of the fixed shell. An air inlet pipe is fixedly arranged at the front side of one side and the rear end of the other side of the groove. The outer ends of the two air inlet pipes are respectively communicated with the corresponding suction nozzles through connecting pipes. A transmission mechanism for driving the filter screen cylinder to rotate is arranged inside the groove.

[0008] Preferably, the transmission mechanism includes an L-shaped rod and an impeller. The L-shaped rod is arranged inside the filter screen cylinder. One end of the L-shaped rod is fixedly connected to the inner wall of the filter screen cylinder. The impeller is arranged in the middle of the groove. The lower end of the L-shaped rod extends into the inner side of the groove and is fixedly connected to the impeller. The impeller is concentrically arranged with the filter screen cylinder.

[0009] Preferably, the connecting mechanism includes a connecting plate and bolts. The connecting plate is fixedly arranged at the outer end of the scraping plate. The connecting plate abuts against the outer wall of the fixed shell. The two bolts are threadedly sleeved inside the two ends of the connecting plate. The two bolts are threadedly connected to one side of the corresponding fixed shell.

[0010] Preferably, the upper surfaces of the sliders all abut against the inner wall of the U-shaped frame.

[0011] Preferably, a sealing gasket is fixedly arranged on the side of the connecting plate close to the fixed shell.

[0012] Preferably, the scraping plate is a rubber plate.

[0013] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0014] 1. In the present utility model, through the suction of the exhaust fan, the two suction nozzles adsorb the dust on the surface of the diffusion sheet below. At the same time, the motor drives the bidirectional lead screw to rotate, so that the two sliders drive the suction nozzles to move, that is, the surface of the diffusion sheet can be kept clean. The adsorbed dust is filtered by the filter screen cylinder inside the fixed shell, that is, efficient dust removal work can be carried out.

[0015] 2. In the present utility model, the gas discharged from the ends of the two air inlet pipes acts on both sides of the impeller, pushing the impeller to rotate, that is, making the filter screen cylinder rotate, that is, making the scraping plate rotate relative to the filter screen cylinder, that is, the dust on the surface of the filter screen cylinder can be scraped and cleaned, that is, the filter screen cylinder can be cleaned while dust removal is carried out, ensuring stable dust removal work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0017] Figure 1 is a schematic structural diagram of a negative pressure adsorption dust removal device proposed by the present utility model;

[0018] Figure 2 is Figure 1 a schematic enlarged view of the partial structure A in

[0019] Figure 3 is Figure 1 a schematic top cross-sectional structure view of the filter housing in

[0020] Description of the reference numerals:

[0021] 1. U-shaped frame; 2. Bidirectional lead screw; 3. Slide block; 4. Air inlet pipe; 5. Suction nozzle; 6. Fixed housing; 7. Filter screen cylinder; 8. Connecting pipe; 9. Impeller; 10. L-shaped rod; 11. Scraper; 12. Connecting plate; 13. Bolt; 14. Exhaust fan; 15. Motor. Specific embodiments

[0022] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] An embodiment of the present utility model discloses a negative pressure adsorption dust removal device.

[0024] Referring to Figures 1-3 , a negative pressure adsorption dust removal device includes a U-shaped frame 1 and a suction nozzle 5. A bidirectional lead screw 2 is rotatably provided on the lower side of the U-shaped frame 1. Slide blocks 3 are threadedly sleeved on the rod walls of the two bidirectional lead screws 2. The upper surfaces of the slide blocks 3 are in contact with the inner wall of the U-shaped frame 1, so that the slide blocks 3 cannot rotate, that is, they can slide stably. Two suction nozzles 5 are fixedly provided on the lower sides of the corresponding slide blocks 3. A motor 15 is fixedly provided on one side of the U-shaped frame 1. The output end of the motor 15 is fixedly connected to one end of the bidirectional lead screw 2. A fixed housing 6 is fixedly provided in the middle of the upper surface of the U-shaped frame 1. An air inlet hole and an air outlet hole are respectively opened at both ends of the fixed housing 6. A filter screen cylinder 7 is rotatably provided in the middle of the fixed housing 6. An opening is opened on one side of the fixed housing 6. A scraper 11 is clamped inside the opening. One end of the scraper 11 is in contact with the filter screen cylinder 7. The scraper 11 is a rubber plate to prevent the scraper 11 from damaging the filter screen cylinder 7 as much as possible. An exhaust fan 14 is fixedly provided on the top of the fixed housing 6. The air inlet of the exhaust fan 14 is communicated with the air outlet of the fixed housing 6. A groove is opened on the lower side of the fixed housing 6. Air inlet pipes 4 are fixedly provided on the front side of one side and the rear end of the other side of the groove. The outer ends of the two air inlet pipes 4 are communicated with the corresponding suction nozzles 5 through connecting pipes 8.

[0025] Referring to Figures 1-3 , a transmission mechanism for driving the filter screen cylinder 7 to rotate is provided inside the groove. The transmission mechanism includes an L-shaped rod 10 and an impeller 9. The L-shaped rod 10 is provided inside the filter screen cylinder 7. One end of the L-shaped rod 10 is fixedly connected to the inner wall of the filter screen cylinder 7. The impeller 9 is provided in the middle of the groove. The lower end of the L-shaped rod 10 extends to the inside of the groove and is fixedly connected to the impeller 9. The impeller 9 is concentric with the filter screen cylinder 7.

[0026] Referring to Figures 1-3, a connecting mechanism is provided between the outer end of the scraper 11 and the filter housing. The scraper 11 is fixedly connected to the filter housing through the connecting mechanism. The connecting mechanism includes a connecting plate 12 and bolts 13. The connecting plate 12 is fixedly arranged at the outer end of the scraper 11. The connecting plate 12 abuts against the outer wall of the fixed housing 6. Two bolts 13 are threadedly sleeved inside the two ends of the connecting plate 12. A sealing gasket is fixedly arranged on the side of the connecting plate 12 close to the fixed housing 6 to improve the sealing performance between the connecting plate 12 and the fixed housing 6. The two bolts 13 are threadedly connected to one side of the corresponding fixed housing 6.

[0027] In the present utility model, during use, the exhaust fan 14 sucks air, so that the two suction nozzles 5 adsorb the dust on the surface of the diffusion sheet below. At the same time, the motor 15 drives the bidirectional lead screw 2 to rotate, so that the two sliders 3 drive the suction nozzles 5 to move, that is, the surface of the diffusion sheet can be kept clean. The adsorbed dust is filtered by the filter mesh cylinder 7 inside the fixed housing 6, that is, efficient dust removal work can be carried out. The gas discharged from the ends of the two intake pipes 4 acts on both sides of the impeller 9, pushing the impeller 9 to rotate, that is, the filter mesh cylinder 7 rotates, that is, the scraper 11 rotates relative to the filter mesh cylinder 7, that is, the dust on the surface of the filter mesh cylinder 7 can be scraped and cleaned, that is, the filter mesh cylinder 7 can be cleaned while dust removal is carried out, ensuring stable dust removal work.

[0028] Only some exemplary embodiments of the present utility model have been described by way of illustration. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A negative pressure adsorption dust removal device, comprising a U-shaped frame (1) and a suction nozzle (5), characterized in that, A bidirectional lead screw (2) is rotatably arranged on the lower side of the U-shaped frame (1). Slide blocks (3) are threadedly sleeved on the rod walls of the two bidirectional lead screws (2). Two suction nozzles (5) are fixedly arranged on the lower sides of the corresponding slide blocks (3). One side of the U-shaped frame (1) is fixedly provided with a motor (15). The output end of the motor (15) is fixedly connected to one end of the bidirectional lead screw (2). In the middle of the upper surface of the U-shaped frame (1), a fixed shell (6) is fixedly arranged. An air inlet hole and an air outlet hole are respectively opened at both ends of the fixed shell (6). A filter screen cylinder (7) is rotatably arranged in the middle of the fixed shell (6). An opening is formed on one side of the fixed shell (6). A scraping plate (11) is clamped inside the opening. One end of the scraping plate (11) abuts against the filter screen cylinder (7). A connecting mechanism is arranged between the outer end of the scraping plate (11) and the filter shell. The scraping plate (11) is fixedly connected to the filter shell through the connecting mechanism. A suction fan (14) is fixedly arranged on the top of the fixed shell (6). The air inlet of the suction fan (14) is communicated with the air outlet of the fixed shell (6). A groove is formed on the lower side of the fixed shell (6). Air inlet pipes (4) are fixedly arranged at the front side of one side and the rear end of the other side of the groove. The outer ends of the two air inlet pipes (4) are respectively communicated with the corresponding suction nozzles (5) through connecting pipes (8). A transmission mechanism for driving the filter screen cylinder (7) to rotate is arranged inside the groove.

2. The negative pressure adsorption dust removal device according to claim 1, characterized in that The transmission mechanism includes an L-shaped rod (10) and an impeller (9). The L-shaped rod (10) is arranged inside the filter screen cylinder (7). One end of the L-shaped rod (10) is fixedly connected to the inner wall of the filter screen cylinder (7). The impeller (9) is arranged in the middle of the groove. The lower end of the L-shaped rod (10) extends inside the groove and is fixedly connected to the impeller (9). The impeller (9) is concentric with the filter screen cylinder (7).

3. The negative pressure adsorption dust removal device according to claim 1, characterized in that, The connecting mechanism includes a connecting plate (12) and bolts (13). The connecting plate (12) is fixedly arranged at the outer end of the scraping plate (11). The connecting plate (12) abuts against the outer wall of the fixed shell (6). The two bolts (13) are threadedly sleeved inside both ends of the connecting plate (12). The two bolts (13) are threadedly connected to one side of the corresponding fixed shell (6).

4. The negative pressure adsorption dust removal device according to claim 1, wherein, The upper surfaces of the slide blocks (3) abut against the inner walls of the U-shaped frame (1).

5. The negative pressure adsorption dust removal device according to claim 3, characterized in that, A sealing gasket is fixedly arranged on one side of the connecting plate (12) close to the fixed shell (6).

6. The negative pressure adsorption dust removal device according to claim 1, wherein, The scraping plate (11) is a rubber plate.

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