Self-cleaning screen

Abstract

The utility model relates to the technical field of screens, in particular to a self-cleaning screen which comprises a metal net, a first mounting plate and a second mounting plate are respectively welded on the lower surface of the metal net, and a first waterproof motor is fixedly mounted on the front surface of the first mounting plate. A first waterproof motor is started to rotate to drive a threaded rod to rotate clockwise or anticlockwise, the threaded rod drives a nut seat to move front and back, the nut seat drives a connecting plate to move front and back in a sliding groove, the connecting plate drives a mounting frame to move front and back in a metal net, and a second waterproof motor is started to drive a rotating shaft to rotate; the rotating shaft drives the cleaning brush to rotate at the bottom in the metal net, along with the front-back movement of the mounting frame, the cleaning brush scrubs materials accumulated at the bottom of the metal net to enable the materials to be separated from the metal net, bottom holes can be effectively prevented from being blocked, screening efficiency and precision are not affected, and the phenomenon that the metal net is damaged by the materials is avoided. And the service life of the metal net is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of screen meshes, in particular to a self-cleaning screen mesh. Background Art

[0002] The screen is a mesh product woven with metal wire or fiber wire. The main function of the screen is to remove and recover suspended solids of different types and sizes. It has the advantages of simplicity, high efficiency and low operating cost. It is generally used for small-scale wastewater treatment.

[0003] However, in many industrial applications, the screen needs to handle various materials. These materials may adhere to the bottom of the screen, causing the pores at the bottom of the screen to be blocked, thereby affecting the screening efficiency and accuracy. The materials adhering to the bottom of the screen may also cause damage to the screen and shorten its service life. For this reason, a self-cleaning screen is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a self-cleaning screen to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning screen, comprising a metal mesh, a first mounting plate and a second mounting plate are welded to the lower surface of the metal mesh respectively, a first waterproof motor is fixedly mounted on the front surface of the first mounting plate, a threaded rod is fixedly connected to the output shaft end of the first waterproof motor, the threaded rod passes through the front surface of the first mounting plate, the rear end of the threaded rod is rotatably connected to the front surface of the second mounting plate by a bearing, a nut seat is threadedly connected to the outer wall of the threaded rod, a connecting plate is fixedly connected to the upper surface of the nut seat, a slide groove is provided at the bottom of the metal mesh, the connecting plate passes through the slide groove and extends to the inside of the metal mesh, two mounting brackets are symmetrically welded to the outer wall of the connecting plate, a second waterproof motor is fixedly mounted on one end of the mounting bracket away from the connecting plate, a rotating shaft is fixedly connected to the output shaft end of the second waterproof motor, the rotating shaft passes through the outer wall of the mounting bracket, the rotating shaft is rotatably connected to the inner side wall of the mounting bracket by a bearing, and a cleaning brush is fixedly connected to the outer wall of the rotating shaft.

[0006] As a further preferred embodiment of the technical solution: two guide rods are welded between the first mounting plate and the second mounting plate, and the outer side walls of the guide rods are slidably connected to the nut seat.

[0007] As a further preferred embodiment of the present technical solution: the outer side wall of the metal mesh is evenly coated with an anti-corrosion coating.

[0008] As a further preferred embodiment of the technical solution: brushes are evenly bonded to the inner wall of the slide groove.

[0009] As a further preferred embodiment of the technical solution: a support frame is fixedly connected to the left side wall of the metal mesh, and an infrared sensor lamp is installed on the right surface of the support frame.

[0010] As a further preferred embodiment of the present technical solution: two connecting frames are symmetrically welded to the outer side wall of the metal mesh.

[0011] As a further preferred embodiment of the present technical solution: the upper surface of the connecting frame is evenly provided with connecting holes.

[0012] As a further preferred embodiment of the present technical solution: a handle is fixedly connected to the upper surface of the connecting frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model starts the first waterproof motor to drive the threaded rod to rotate clockwise or counterclockwise, the threaded rod drives the nut seat to move forward and backward, the nut seat drives the connecting plate to move forward and backward inside the slide groove, the connecting plate drives the mounting frame to move forward and backward inside the metal mesh, and starts the second waterproof motor to drive the rotating shaft to rotate, and the rotating shaft drives the cleaning brush to rotate at the bottom of the metal mesh. As the mounting frame moves back and forth, the cleaning brush will wash the material accumulated at the bottom of the metal mesh to separate the material from the metal mesh, which can effectively prevent the bottom pores from being blocked, does not affect the screening efficiency and accuracy, avoids the phenomenon that the metal mesh is damaged by the material, and improves the service life of the metal mesh. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0017] Figure 3 It is a schematic diagram of the internal structure of the metal mesh in the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the first waterproof motor in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the second waterproof motor in the utility model.

[0020] In the figure: 1. Metal mesh; 2. First mounting plate; 3. Second mounting plate; 4. First waterproof motor; 5. Threaded rod; 6. Nut seat; 7. Connecting plate; 8. Slide groove; 9. Mounting frame; 10. Second waterproof motor; 11. Rotating shaft; 12. Cleaning brush; 13. Guide rod; 14. Brush; 15. Support frame; 16. Infrared sensor lamp; 17. Connecting frame; 18. Connecting hole; 19. Handle. DETAILED DESCRIPTION

[0021] 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. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as limitations on the present application. 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 making creative work are within the scope of protection of the utility model.

[0022] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] See also Figure 1-5The utility model provides a technical solution: a self-cleaning screen, comprising a metal mesh 1, a first mounting plate 2 and a second mounting plate 3 are welded to the lower surface of the metal mesh 1, a first waterproof motor 4 is fixedly mounted on the front surface of the first mounting plate 2, a threaded rod 5 is fixedly connected to the output shaft end of the first waterproof motor 4, the threaded rod 5 passes through the front surface of the first mounting plate 2, the rear end of the threaded rod 5 is rotatably connected to the front surface of the second mounting plate 3 through a bearing, the outer side wall of the threaded rod 5 is threadedly connected to a nut seat 6, the upper surface of the nut seat 6 is fixedly connected to a connecting plate 7, a slide groove 8 is provided at the bottom of the metal mesh 1, the connecting plate 7 passes through the slide groove 8 and extends to the inside of the metal mesh 1, and two mounting brackets 9 are symmetrically welded to the outer side wall of the connecting plate 7, and the mounting bracket 9 is away from one side of the connecting plate 7 A second waterproof motor 10 is fixedly installed at the end, and a rotating shaft 11 is fixedly connected to the output shaft end of the second waterproof motor 10, and the rotating shaft 11 passes through the outer wall of the mounting frame 9, and the rotating shaft 11 is rotatably connected to the inner wall of the mounting frame 9 through a bearing, and a cleaning brush 12 is fixedly connected to the outer wall of the rotating shaft 11; the first waterproof motor 4 is started to rotate and drive the threaded rod 5 to rotate clockwise or counterclockwise, and the threaded rod 5 drives the nut seat 6 to move back and forth, and the nut seat 6 drives the connecting plate 7 to move back and forth inside the slide groove 8, and the connecting plate 7 drives the mounting frame 9 to move back and forth inside the metal mesh 1, and the second waterproof motor 10 is started to drive the rotating shaft 11 to rotate, and the rotating shaft 11 drives the cleaning brush 12 to rotate at the bottom of the metal mesh 1, and as the mounting frame 9 moves back and forth, the cleaning brush 12 will wash the materials accumulated at the bottom of the metal mesh 1 to separate the materials from the metal mesh 1.

[0024] In this embodiment, specifically: two guide rods 13 are welded between the first mounting plate 2 and the second mounting plate 3, and the outer side walls of the guide rods 13 are slidingly connected to the nut seat 6; so that the nut seat 6 does not rotate with the rotation of the threaded rod 5, but keeps moving in the direction of the guide rod 13.

[0025] In this embodiment, specifically: the outer side wall of the metal mesh 1 is evenly coated with anti-corrosion paint.

[0026] In this embodiment, specifically: the inner wall of the slide groove 8 is evenly bonded with a brush 14; during the movement of the connecting plate 7, impurities on the surface of the connecting plate 7 can be removed.

[0027] In this embodiment, specifically: a support frame 15 is fixedly connected to the left side wall of the metal mesh 1, and an infrared sensor lamp 16 is installed on the right surface of the support frame 15, so as to facilitate observation of the working status of the device at night.

[0028] In this embodiment, specifically: two connecting frames 17 are symmetrically welded to the outer side wall of the metal mesh 1 to facilitate connection with the filter tank.

[0029] In this embodiment, specifically: the upper surface of the connecting frame 17 is evenly provided with connecting holes 18 .

[0030] In this embodiment, specifically: a handle 19 is fixedly connected to the upper surface of the connecting frame 17 to facilitate lifting the connecting frame 17 .

[0031] The working principle of the utility model is: start the first waterproof motor 4 to rotate and drive the threaded rod 5 to rotate clockwise or counterclockwise, the threaded rod 5 drives the nut seat 6 to move forward and backward, the nut seat 6 drives the connecting plate 7 to move forward and backward inside the slide groove 8, the connecting plate 7 drives the mounting frame 9 to move forward and backward inside the metal mesh 1, start the second waterproof motor 10 to drive the rotating shaft 11 to rotate, the rotating shaft 11 drives the cleaning brush 12 to rotate at the bottom of the metal mesh 1, as the mounting frame 9 moves back and forth, the cleaning brush 12 will wash the material accumulated at the bottom of the metal mesh 1, so that the material is separated from the metal mesh 1, thereby forming a self-cleaning screen, which can effectively clean the material adhered to the bottom of the metal mesh 1 and prevent the bottom pores from being blocked, without affecting the screening efficiency and accuracy, avoiding the phenomenon that the material causes damage to the metal mesh 1, and improving the service life of the metal mesh 1.

[0032] Although embodiments of the present invention 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 invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning screen, comprising a metal mesh (1), characterized in that: The lower surface of the metal mesh (1) is respectively welded with a first mounting plate (2) and a second mounting plate (3); a first waterproof motor (4) is fixedly mounted on the front surface of the first mounting plate (2); a threaded rod (5) is fixedly connected to the output shaft end of the first waterproof motor (4); the threaded rod (5) passes through the front surface of the first mounting plate (2); a rear end of the threaded rod (5) is rotatably connected to the front surface of the second mounting plate (3) via a bearing; an outer side wall of the threaded rod (5) is threadedly connected to a nut seat (6); an upper surface of the nut seat (6) is fixedly connected to a connecting plate (7); and the bottom of the metal mesh (1) is provided with a plurality of threaded holes. A slide groove (8) is provided, the connecting plate (7) passes through the slide groove (8) and extends to the inside of the metal mesh (1), two mounting frames (9) are symmetrically welded to the outer wall of the connecting plate (7), a second waterproof motor (10) is fixedly installed at one end of the mounting frame (9) away from the connecting plate (7), the output shaft end of the second waterproof motor (10) is fixedly connected to a rotating shaft (11), the rotating shaft (11) passes through the outer wall of the mounting frame (9), the rotating shaft (11) and the inner wall of the mounting frame (9) are rotatably connected via a bearing, and a cleaning brush (12) is fixedly connected to the outer wall of the rotating shaft (11).

2. The self-cleaning screen according to claim 1, characterized in that: Two guide rods (13) are welded between the first mounting plate (2) and the second mounting plate (3), and the outer side walls of the guide rods (13) are slidably connected to the nut seat (6).

3. The self-cleaning screen according to claim 2, characterized in that: The outer side wall of the metal mesh (1) is evenly coated with anti-corrosion paint.

4. The self-cleaning screen according to claim 2, characterized in that: The inner side wall of the slide groove (8) is evenly bonded with a brush (14).

5. The self-cleaning screen according to claim 2, characterized in that: A support frame (15) is fixedly connected to the left side wall of the metal mesh (1), and an infrared sensor lamp (16) is installed on the right surface of the support frame (15).

6. The self-cleaning screen according to claim 2, characterized in that: Two connecting frames (17) are symmetrically welded to the outer side wall of the metal mesh (1).

7. The self-cleaning screen according to claim 6, characterized in that: The upper surface of the connecting frame (17) is evenly provided with connecting holes (18).

8. The self-cleaning screen according to claim 6, characterized in that: A handle (19) is fixedly connected to the upper surface of the connecting frame (17).

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