Self-cleaning anti-blocking filtering device

Abstract

The utility model discloses a self-cleaning anti-blocking filter device which comprises a shell and a filter screen arranged in the shell, a rotatable scraper blade is further arranged in the shell, the scraper blade rotates to scrape and sweep a filter surface of the filter screen, a material receiving frame is further movably arranged in the shell towards one side of the filter screen, and the material receiving frame can be connected with the filter surface of the filter screen. And the scraper rotates to sweep impurities into the inner cavity of the material receiving frame. Along with scraping and sweeping of the scraping plate, when the accumulated impurities are too much, the material receiving frame can be controlled to move towards one side of the filter screen, the material receiving frame is connected to the filtering face of the filter screen, then the scraping plate is controlled to rotate towards one side of the material receiving frame, the rotating scraping plate can scrape the impurities into the material receiving frame, and finally the material receiving frame is controlled to move away from one side of the filter screen. And the scraping plate can perform normal scraping and sweeping operation. According to the self-cleaning anti-blocking filtering device disclosed by the utility model, impurities accumulated on the filtering surface of the filtering net can be collected through the matching of the scraping plate and the material receiving frame, so that the filtering function of the filtering net is not easily influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a self-cleaning and anti-clogging filtering device. Background Art

[0002] A filter is a device that filters a medium and removes impurities from the medium. There are many types of filters, and through their use, the damage caused by impurities to valves and other equipment can be reduced and avoided, thereby ensuring the normal use of valves and other equipment. For example, a filter generally includes a housing and a filter screen arranged in the housing. When in use, sewage enters the housing from the liquid inlet, and then the impurities carried by the sewage are stopped on the filter screen to achieve filtration. Among them, in the prior art, in order to prevent the filter screen from being blocked, a rotatable scraper is often also arranged in the housing, and the scraper and the filter screen are contacted and scraped to achieve the purpose of anti-blocking. However, the impurities that are blocked can only accumulate more and more through the scraping of the scraper, which will eventually affect the filtering function of the filter screen. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide a self-cleaning and anti-clogging filtering device.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A self-cleaning and anti-clogging filtering device comprises a shell and a filter screen arranged in the shell, a rotatable scraper is also arranged in the shell, and the scraper is rotated to scrape the filter surface of the filter screen, and a material receiving frame is also movably arranged in the shell toward one side of the filter screen, and the material receiving frame can engage with the filter surface of the filter screen. The scraper can rotate to sweep impurities into the inner cavity of the material receiving frame.

[0006] A material taking port is configured on the side wall of the shell, and a material clearing port is configured on the material receiving frame. The material receiving frame can be moved to drive the material clearing port to be opposite to the material taking port.

[0007] The material receiving frame is connected with an ejector, and the ejector is used to eject the material receiving frame to move closer to or away from the filter screen.

[0008] The filter net comprises a main body and an elastic part, wherein the elastic part is configured to bounce when squeezed, thereby forming a recessed area on the filter surface, and the material receiving frame can be inserted into the recessed area.

[0009] The material receiving frame is also configured to be rotatable, and a driving member is also provided in the shell, and the driving member can drive the material receiving frame to rotate, so as to drive the material receiving frame to keep the cleaning port and the material taking port relative to each other in an inclined posture.

[0010] The driving member comprises an electromagnet, and the electromagnet is configured to attract the material receiving frame away from the end portion on one side of the material taking port when powered on.

[0011] The inner cavity of the material receiving frame is opened upward.

[0012] A plurality of cleaning rods are arranged on the side wall of the opening, and bristles are arranged on the abutting surface of the scraper, and the bristles can abut against the plurality of cleaning rods.

[0013] The beneficial effect of the utility model is that as the scraper is scraping, when the accumulated impurities are too much, the material receiving frame can be controlled to move toward one side of the filter screen, and the material receiving frame can be connected to the filtering surface of the filter screen, and then the scraper is controlled to rotate toward one side of the material receiving frame, and the rotating scraper can scrape the impurities into the material receiving frame, and finally the material receiving frame is controlled to move away from one side of the filter screen, and the scraper can perform normal scraping operations. Compared with the prior art, the self-cleaning and anti-clogging filter device of the utility model can collect the impurities accumulated on the filtering surface of the filter screen through the cooperation of the scraper and the material receiving frame, so that the filtering function of the filter screen is not easily affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment;

[0015] Figure 2 It is a structural schematic diagram of the material receiving frame in an inclined state;

[0016] Figure 3 Schematic diagram of the top view of the filter screen;

[0017] Figure 4 It is a schematic diagram of the top view of the material connection frame.

[0018] Figure numerals: 1. Shell; 2. Filter screen; 3. Scraper; 4. Filter surface; 5. Material receiving frame; 6. Inner cavity; 7. Material taking port; 8. Material cleaning port; 9. Ejector; 10. Main body; 11. Elastic part; 12. Recessed area; 13. Driving part; 14. Material cleaning rod; 15. Brush. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments to clearly and completely describe the technical solution 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 of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 4As shown, a self-cleaning and anti-clogging filtering device includes a housing 1 and a filter screen 2 arranged in the housing 1, and a rotatable scraper 3 is also arranged in the housing 1. For example, the top of the housing 1 has a liquid inlet, the bottom has a liquid outlet, and the filter screen 2 is separated between the liquid inlet and the liquid outlet. When in use, the medium to be filtered enters the housing 1 through the liquid inlet, passes through the filter screen 2 and is discharged from the liquid outlet. During this period, impurities carried by the medium will be stopped by the filter screen 2, thereby realizing the filtering function. During the filtering period, the scraper 3 can be rotated by a power part such as a motor or a rotary cylinder to scrape the filter surface 4 of the filter screen 2, thereby preventing the filter holes of the filter screen 2 from being blocked by impurities.

[0021] As the filtering time increases, too many impurities will accumulate on the filtering surface 4. On the one hand, the rotation of the scraper 3 can only prevent the impurities from blocking the filter holes, and the impurities can only accumulate more and more; on the other hand, the accumulation of impurities will affect the filtering function of the filter screen 2.

[0022] In this regard, the housing 1 of the present disclosure is also provided with a material receiving frame 5 which is movably arranged toward one side of the filter screen 2, so that the material receiving frame 5 can move toward the filter surface 4 until it is connected to the filter surface 4. Therefore, the self-cleaning and anti-clogging filter device of the present disclosure can have the following use process:

[0023] As the scraper 3 scrapes, when the accumulated impurities are too much, the material receiving frame 5 can be controlled to move toward the side of the filter screen 2, and the material receiving frame 5 can be engaged with the filtering surface 4 of the filter screen 2. Then, the scraper 3 is controlled to rotate toward the side of the material receiving frame 5. The rotating scraper 3 can scrape the impurities into the inner cavity 6 of the material receiving frame 5. Finally, the material receiving frame 5 is controlled to move away from the side of the filter screen 2. The scraper 3 can perform normal scraping operations, and the filtering function of the filter screen 2 is not easily affected.

[0024] In some embodiments, a ejector 9 is disposed on the top of the housing 1. For example, the ejector 9 may be a pneumatic cylinder, an electric cylinder or an oil cylinder. The ejector 9 can be used to eject the material receiving frame 5 close to or away from one side of the filter screen 2.

[0025] For example, a material taking port 7 is also configured on the side wall of the housing 1, and a material clearing port 8 is configured on the corresponding side wall of the material receiving frame 5. Therefore, after the inner cavity 6 of the material receiving frame 5 receives impurities, the ejector 9 can lift the material receiving frame 5 upwards, and make the material clearing port 8 face the material taking port 7, so as to facilitate the removal of impurities from the material receiving frame 5. For example, a detachable blocking plate can be preferably arranged on the material taking port 7, and when there is no need to take materials, the blocking plate remains in a blocked state.

[0026] In some embodiments, the material receiving frame 5 is also configured to be rotatable, for example, the material receiving frame 5 is rotatably set on the ejection shaft of the ejection member 9. In addition, a driving member 13 is also provided in the housing 1. After the inner cavity 6 of the material receiving frame 5 receives the impurities, the ejection member 9 lifts the material receiving frame 5 upward to a preset position, and then the driving member 13 can drive the material receiving frame 5 to rotate, and finally the material receiving frame 5 keeps the cleaning port 8 relative to the material taking port 7 in an inclined posture. It can be understood that in the inclined posture, the impurities received in the material receiving frame 5 will automatically slide out of the material taking port 7 under the action of gravity, making the cleaning operation more convenient.

[0027] For example, the driving member 13 may include an electromagnet disposed at the top of the housing 1. After the material receiving frame 5 reaches the preset position, the electromagnet is energized to adsorb the end of the material receiving frame 5 away from the material taking port 7, thereby driving the material receiving frame 5 to rotate as expected. Preferably, a return spring is connected between the material receiving frame 5 and the ejection shaft of the ejection member 9. For example, the return spring may be a torsion spring, and the return spring may be used to keep the material receiving frame 5 in a flat state when it is not driven by the driving member 13.

[0028] In some embodiments, the filter screen 2 may preferably include a main body 10 and an elastic part 11. The elastic part 11 is configured to, for example, elastically bounce downward when squeezed, and thus a recessed area 12 is formed on the filter surface 4 of the filter screen 2. It can be understood that the material receiving frame 5 is correspondingly configured at a relative position to the elastic part 11. Therefore, when the material receiving frame 5 is pushed downward, the material receiving frame 5 can squeeze the elastic part 11 and be inserted into the recessed area 12.

[0029] For example, the inner cavity 6 of the material receiving frame 5 is configured to be opened upward. Therefore, when the material receiving frame 5 is inserted into the recessed area 12, the scraper 3 can more conveniently scrape the impurities into the inner cavity 6 of the material receiving frame 5 through the opening.

[0030] In some embodiments, a plurality of cleaning rods 14 are further provided on the side wall of the opening, and bristles 15 are further provided on the contact surface of the scraper 3 with the filter screen 2. The scraper 3 can achieve a better cleaning effect on the filter screen 2 through the bristles 15. For example, the bristles 15 can extend into the filter hole to clean the inner wall of the filter hole and further prevent clogging. The self-cleaning and anti-clogging filter device disclosed in the present invention can also have the following use process, for example:

[0031] When the material receiving frame 5 is inserted into the recessed area 12, the plurality of cleaning rods 14 can be controlled to protrude from the recessed area 12, and the scraper 3 can sweep the impurities on the filter screen 2 into the inner cavity 6 of the material receiving frame 5, and the plurality of cleaning rods 14 can abut against the bristles 15 to clean the bristles 15. Subsequently, the material receiving frame 5 is further inserted into the recessed area 12, so that the plurality of cleaning rods 14 are completely retracted into the recessed area 12, and then the scraper 3 performs the scraping action again, thereby sweeping the impurities dropped by the cleaning of the bristles 15 into the material receiving frame 5.

[0032] The above is only a preferred embodiment of the utility model. It should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A self-cleaning anti-clogging filter device, comprising a housing (1) and a filter screen (2) arranged in the housing (1), wherein a rotatable scraper (3) is further arranged in the housing (1), and the scraper (3) is rotated to scrape a filter surface (4) of the filter screen (2), wherein: A material receiving frame (5) is also movably provided in the housing (1) toward one side of the filter screen (2); the material receiving frame (5) is capable of engaging with the filter surface (4) of the filter screen (2); and the scraper (3) is capable of rotating to sweep impurities into the inner cavity (6) of the material receiving frame (5).

2. The self-cleaning anti-clogging filter device according to claim 1 is characterized in that: A material taking port (7) is configured on the side wall of the shell (1), and a material clearing port (8) is configured on the material receiving frame (5). The material receiving frame (5) can be moved to drive the material clearing port (8) to face the material taking port (7).

3. The self-cleaning anti-clogging filter device according to claim 1 or 2, characterized in that: The material receiving frame (5) is connected to an ejector (9), and the ejector (9) is used to eject the material receiving frame (5) so as to move closer to or away from the filter screen (2).

4. The self-cleaning anti-clogging filter device according to claim 1 is characterized in that: The filter screen (2) comprises a main body (10) and an elastic part (11), wherein the elastic part (11) is configured to elastically bounce when squeezed, thereby forming a recessed area (12) on the filter surface (4), and the material receiving frame (5) can be inserted into the recessed area (12).

5. The self-cleaning anti-clogging filter device according to claim 2 is characterized in that: The material receiving frame (5) is also configured to be rotatable, and a driving member (13) is also provided in the shell (1), and the driving member (13) can drive the material receiving frame (5) to rotate, so as to drive the material receiving frame (5) to keep the cleaning port (8) and the material taking port (7) opposite to each other in an inclined posture.

6. The self-cleaning anti-clogging filter device according to claim 5 is characterized in that: The driving member (13) comprises an electromagnet, and the electromagnet is configured to attract the end of the material receiving frame (5) away from the material taking port (7) when powered on.

7. The self-cleaning anti-clogging filter device according to claim 4 is characterized in that: The inner cavity (6) of the material receiving frame (5) is opened upward.

8. The self-cleaning anti-clogging filter device according to claim 7 is characterized in that: A plurality of cleaning rods (14) are arranged on the side wall of the opening, and bristles (15) are arranged on the abutting surface of the scraper (3), and the bristles (15) can abut against the plurality of cleaning rods (14).

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