Vacuum pump filtering device for grain storage

Abstract

The invention provides a vacuum pump filtering device for grain storage, and relates to the technical field of filtering devices. The box body is of a rectangular box-shaped structure, a cover plate is fixed to the top of the box body, and two limiting blocks are welded to each of the front end face and the rear end face of the inner wall of the box body. Through the arrangement of the first filtering assembly and the cleaning assembly, on one hand, the mounting base is directly moved upwards, and when the mounting base is moved upwards, sundries on a filtering net can be swept away through a cleaning brush; when the sweeping force needs to be adjusted, the threaded rod is rotated, the cleaning brush is driven by the threaded rod to make close contact with the filter screen on the mounting base, and at the moment, the cleaning effect is better in the upward moving process of the mounting base; and on the other hand, residues swept off through the cleaning brush fall down and then enter the collecting base, after the mounting base is pulled out of the box body, the residues in the collecting base are directly poured out, and compared with an existing device, the cleaning efficiency of the filter screen on the mounting base can be improved through the device.

Description

Technical Field

[0001] The present invention relates to the technical field of filtering devices, in particular to a vacuum pump filtering device for grain storage. Background Art

[0002] During the grain storage process, a vacuum filter device is required to provide negative pressure and vacuum. However, during the vacuum process, the presence of filter matter often causes it to enter the vacuum pump cavity through the pipeline, contaminating the emulsified pump oil and damaging the vacuum pump impeller, ultimately shortening the service life of the vacuum pump oil and vacuum pump, resulting in increased maintenance costs. Therefore, it is necessary to install a filter device on the front side of the rotary vane vacuum pump.

[0003] Although the existing filtering device can filter through the filter, it cannot fully utilize the space and cannot achieve multiple filtration in a limited space. When cleaning debris from the filter, the existing device needs to remove the filter and then use a brush to clean it, which is cumbersome.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a vacuum pump filtering device for grain storage is provided in order to achieve a more practical purpose. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a vacuum pump filtering device for grain storage, so as to solve the problem that although the existing filtering device can achieve filtration through the filter net, it cannot make full use of the space and cannot achieve multiple filtration in a limited space; when cleaning debris on the filter net of the existing device, the filter net needs to be removed and then cleaned with a brush, which is a cumbersome operation.

[0006] The present invention provides a vacuum pump filtering device for grain storage, which specifically includes: a box body; the box body is a rectangular box-shaped structure, a cover plate is fixed on the top of the box body, two limit blocks are welded to the front end face and the rear end face of the inner wall of the box body, a liquid inlet pipe is welded to the left end face of the box body, and a first filter assembly is installed on the cover plate.

[0007] Furthermore, the first filter assembly consists of a mounting seat, a blocking rod and a collecting seat. The mounting seat is plugged into the cover plate and is also plugged between four limit blocks. The mounting seat is located on the right side of the liquid inlet pipe, and a filter screen is welded on the mounting seat.

[0008] Furthermore, a barrier rod is welded on the mounting seat in a linear array. The barrier rod is a cylindrical rod-shaped structure. The left side of the outer wall of the barrier rod contacts the right side of the filter screen on the mounting seat.

[0009] Further, the box is provided with a cleaning assembly, which is composed of connecting rods, cleaning brushes, connecting blocks and threaded rods, two connecting rods are slidably arranged on the box, the right ends of the two connecting rods are welded with the cleaning brushes, and the cleaning brushes are in contact with the filter screens on the mounting seat.

[0010] Further, the left ends of the two connecting rods are welded with the connecting blocks, and a threaded rod is rotatably arranged on the left end face of the box and is in threaded connection with the connecting blocks.

[0011] Further, a collecting seat is welded below the left end face of the mounting seat and has a concave structure.

[0012] Further, a second filter assembly is fixedly arranged in the box, which is composed of first baffles, seat bodies, first through holes and second through holes, two first baffles are welded in the box and are located at the right side of the mounting seat, a first through hole is formed in the lower left side of the left first baffle, and a filter screen is fixedly arranged in the first through hole; a second through hole is formed in the upper left side of the right first baffle, and a filter screen is fixedly arranged in the second through hole.

[0013] Further, six seat bodies are linearly arranged between the two first baffles and have a hook-shaped structure, and a filter screen is fixedly arranged on each seat body, and the six seat bodies are located between the first through hole and the second through hole.

[0014] Further, a connecting assembly is arranged on the box, which is composed of a sleeve, a discharge pipe, a valve, discharge holes, mounting blocks and electric cylinders, a sleeve is welded on the right end face of the box, a discharge pipe is slidably arranged in the sleeve and is connected with the rotary vane vacuum pump through a pipeline, the outer wall of the discharge pipe is in contact with the inner wall of the sleeve, the valve is arranged on the discharge pipe, and the discharge holes are annularly arranged on the outer wall of the discharge pipe.

[0015] Further, a mounting block in the shape of an annular structure is welded on the outer wall of the discharge pipe, two electric cylinders are fixedly arranged on the left end face of the mounting block, and the left ends of the two electric cylinders are fixedly arranged on the right end face of the box.

[0016] Further, an auxiliary assembly is arranged in the box, which is composed of an electric motor and an impeller, an electric motor is fixedly arranged on the right end face of the inner wall of the box, and an impeller is fixedly arranged on the output shaft of the electric motor and is located above the discharge pipe.

[0017] Compared with the prior art, the present application has the following advantages: The application, through the setting of the first filtering assembly and the cleaning assembly, on the one hand, directly moves the mounting seat upward, when the mounting seat is moved upward, the dirt on the filter screen can be swept away by the cleaning brush, when the cleaning strength needs to be adjusted, the threaded rod is rotated, the cleaning brush is in close contact with the filter screen on the mounting seat under the drive of the threaded rod, at this time, in the process of moving the mounting seat upward, the cleaning effect is better, on the other hand, the residues swept by the cleaning brush fall downward into the collecting seat, after the mounting seat is pulled out from the box body, the residues in the collecting seat can be directly poured out, compared with the existing device, the device can improve the cleaning efficiency of the filter screen on the mounting seat.

[0018] The application, through the setting of the second filtering assembly, the liquid flows to the right after being filtered by the filter screen on the mounting seat, the liquid first passes through the first through hole on the left side of the first baffle, after being filtered by the filter screen at the first through hole, moves upward and passes through the filter screen on the six seat bodies, and finally passes through the second through hole on the next first baffle, and is filtered again by the filter screen at the second through hole, compared with the existing device, the device can realize multiple filtering in limited space, and the filtering effect is good.

[0019] The application, through the setting of the connecting assembly, on the one hand, when the discharge hole is cleaned, the two electric cylinders are controlled to stretch, the discharge pipe is hidden inside the sleeve under the drive of the two electric cylinders, and the discharge hole can be cleaned under the scraping action of the sleeve, on the other hand, when the discharge pipe is hidden inside the sleeve, the discharge pipe can be sealed, compared with the existing device, the device can realize the combination of the cleaning of the discharge hole and the sealing of the discharge pipe, and the structure is flexible.

[0020] The application, through the setting of the auxiliary assembly, controls the rotation of the motor, the rotation of the impeller driven by the motor can realize the agitation of the liquid in the box body, the dirt at the discharge pipe can be removed through agitation, when the dirt attached to the discharge pipe is cleaned, the discharge pipe does not need to be removed, and the cleaning is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings of the embodiments will be briefly introduced below.

[0022] In the drawings: Figure 1 A schematic view of the axial structure of the grain storage vacuum pump filtering device according to the application is shown. Figure 2 A schematic view of the main structure of the grain storage vacuum pump filtering device according to the application is shown. Figure 3 A schematic view of the axial structure of the grain storage vacuum pump filtering device according to the application is shown. Figure 4It shows that according to the present invention Figure 3 Schematic diagram of the axial structure after rotation; Figure 5 It shows an axial structural schematic diagram of the limit block and the first filter assembly according to the present invention; Figure 6 It shows that according to the present invention Figure 5 Schematic diagram of the structure of the axis view split; Figure 7 It shows an axial structural schematic diagram of the second filter assembly according to the present invention; Figure 8 It shows that according to the present invention Figure 7 Schematic diagram of the axis view split structure.

[0023] Reference Signs List 1. Box body; 101. Cover plate; 102. Limit block; 103. Liquid inlet pipe; 2. First filter assembly; 201. Mounting seat; 202. Stop rod; 203. Collection seat; 3. Cleaning assembly; 301. Connecting rod; 302. Cleaning brush; 303. Connecting block; 304. Threaded rod; 4. Second filter assembly; 401. First baffle; 402. Base; 403. First through hole; 404. Second through hole; 5. Connecting assembly; 501. Casing; 502. Discharge pipe; 503. Valve; 504. Discharge hole; 505. Mounting block; 506. Electric cylinder; 6. Auxiliary components; 601. Electric motor; 602. Impeller. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0025] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present invention have the same meaning as commonly understood by those skilled in the art to which the present invention belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or highly formal sense, unless explicitly defined in this manner in the embodiments of the present invention.

[0026] The terms "first", "second", and similar terms do not denote any order, quantity, or importance, but are used to distinguish different components. The terms "one", "a", or "the" do not denote a quantity limitation, but mean that at least one exists. Similarly, the terms "include" or "comprise" and the like mean that the elements or objects before the term encompass the elements or objects listed after the term and equivalents thereof, without excluding other elements or objects. In the following description, spatial and directional terms such as "upper", "lower", "front", "back", "top", "bottom", "vertical", and "horizontal" may be used to describe embodiments of the application, but it should be understood that these terms are used only for convenience and that the actual device can be constructed or operated in any orientation. In the following description, the use of terms such as "connected", "coupled", "fixed", and "attached" can mean that two elements or structures are directly connected without other elements or structures, or that two elements or structures are indirectly connected through intermediate elements or structures, unless otherwise explicitly stated herein.

[0027] Embodiment one: as shown in the accompanying Figure 1 to the accompanying Figure 8 : The application provides a kind of vacuum pump filter device for grain storage, comprising: box 1;Box 1 is rectangular box structure, box 1 top is fixed with a cover plate 101, box 1 inner wall front end face and inner wall rear end face are welded with two limit blocks 102, box 1 left end face is welded with a liquid inlet pipe 103, cover plate 101 is installed with first filter assembly 2.

[0028] Wherein, first filter assembly 2 is composed of mounting seat 201, stop rod 202 and collection seat 203, mounting seat 201 is inserted on cover plate 101, mounting seat 201 is also inserted between four limit blocks 102, mounting seat 201 is located at the right side of liquid inlet pipe 103, mounting seat 201 is welded with filter screen.

[0029] Wherein, mounting seat 201 is linearly arrayed and welded with stop rod 202, stop rod 202 is cylindrical rod structure, the left side of the outer wall of stop rod 202 is in contact with the right side of the filter screen on mounting seat 201, in use process, the support of filter screen on mounting seat 201 can be realized by stop rod 202, to avoid that filter screen is damaged due to excessive water impact.

[0030] Wherein, cleaning assembly 3 is installed on box 1, cleaning assembly 3 is composed of connecting rod 301, cleaning brush 302, connecting block 303 and threaded rod 304, two connecting rods 301 are slidably arranged on box 1, the right side of the one end of the two connecting rods 301 is welded with cleaning brush 302, and cleaning brush 302 is in contact with the filter screen on mounting seat 201.

[0031] Wherein, the left side of two connecting rods 301 of one end are welded with connecting block 303; the box 1 left end face rotates a threaded rod 304, threaded rod 304 and connecting block 303 threaded connection, in the installation seat 201 on the filter screen cleaning, directly to the installation seat 201 upwardly mobile, when the installation seat 201 upwardly is mobile, through the cleaning brush 302 can sweep the sundries on the filter screen; when need to adjust the cleaning force, rotate threaded rod 304 can, under the drive of threaded rod 304, cleaning brush 302 and the filter screen on the installation seat 201 tight contact, at this time in the installation seat 201 upwardly mobile process, the cleaning effect is better.

[0032] Wherein, the left end face of installation seat 201 lower position is welded with a collection seat 203, collection seat 203 is concave structure, through the cleaning brush 302 sweeps the residue to fall into the collection seat 203 after, in the collection seat 203 after the installation seat 201 is extracted from the box 1, directly pour the residue in the collection seat 203 can.

[0033] Wherein, the box 1 is fixed with second filter assembly 4, second filter assembly 4 is composed of first baffle 401, seat body 402, first through hole 403 and second through hole 404, the box 1 is welded with two first baffles 401, two are located in the right side position of installation seat 201, the left side of one first baffle 401 left side lower position is provided with a first through hole 403, the first through hole 403 is fixed with filter screen; the left side of one first baffle 401 left side upper position is provided with a second through hole 404, the second through hole 404 is fixed with filter screen.

[0034] Wherein, six seat bodies 402 are fixed between two first baffles 401 in linear array, six seat bodies 402 are all back-shaped structure, each seat body 402 is fixed with filter screen, six seat bodies 402 are located between first through hole 403 and second through hole 404, liquid passes through the filter screen on the installation seat 201 and flows to the right, liquid first passes through the first through hole 403 on the left side of one first baffle 401, after being filtered by the filter screen at the first through hole 403, it moves upwardly and passes through the filter screens on the six seat bodies 402, and finally passes through the second through hole 404 on the next first baffle 401, and is filtered again by the filter screen at the second through hole 404.

[0035] The box 1 is provided with a connecting assembly 5, which is composed of a sleeve 501, a discharge pipe 502, a valve 503, a discharge hole 504, a mounting block 505 and an electric cylinder 506. The sleeve 501 is welded to the right end surface of the box 1. The discharge pipe 502 is slidably arranged in the sleeve 501. The discharge pipe 502 is connected to a rotary vane vacuum pump through a pipe. The outer wall of the discharge pipe 502 is in contact with the inner wall of the sleeve 501. The valve 503 is mounted on the discharge pipe 502. The discharge holes 504 are annularly arranged on the outer wall of the discharge pipe 502.

[0036] The mounting block 505 is annularly welded to the outer wall of the discharge pipe 502. The two electric cylinders 506 are fixed to the left end surface of the mounting block 505. The left ends of the two electric cylinders 506 are fixed to the right end surface of the box 1. When the discharge holes 504 are cleaned, the two electric cylinders 506 are controlled to extend. The discharge pipe 502 is hidden in the inner side of the sleeve 501 under the driving of the two electric cylinders 506. The discharge holes 504 can be cleaned under the scraping of the sleeve 501. The discharge pipe 502 can be sealed after being hidden in the sleeve 501.

[0037] In the embodiment one, the box 1 is provided with an auxiliary assembly 6, which is composed of an electric motor 601 and an impeller 602. The electric motor 601 is fixed to the right end surface of the inner wall of the box 1. The impeller 602 is fixed to the output shaft of the electric motor 601 and is located above the discharge pipe 502. When the discharge pipe 502 is cleaned, the electric motor 601 is controlled to rotate. The impeller 602 is driven to rotate by the electric motor 601, so that the liquid in the box 1 is stirred. The impeller 602 can clean the discharge pipe 502.

[0038] The specific use and role of the embodiment are as follows: liquid enters the box 1 through the liquid inlet pipe 103, and then flows to the right after being filtered by the filter screen on the mounting seat 201. The liquid first passes through the first through hole 403 on the left side of the first baffle 401, is filtered by the filter screen at the first through hole 403, moves upwards and passes through the filter screen on the six seat bodies 402, and finally passes through the second through hole 404 on the next first baffle 401, and is filtered again by the filter screen at the second through hole 404. The liquid flows to the right after being filtered by the filter screen on the mounting seat 201. The liquid first passes through the first through hole 403 on the left side of the first baffle 401, is filtered by the filter screen at the first through hole 403, moves upwards and passes through the filter screen on the six seat bodies 402, and finally passes through the second through hole 404 on the next first baffle 401, and is filtered again by the filter screen at the second through hole 404. When cleaning the filter screen on the mounting seat 201, the mounting seat 201 is directly moved upwards. When the mounting seat 201 is moved upwards, the dirt on the filter screen can be swept away by the cleaning brush 302. When the cleaning intensity needs to be adjusted, the threaded rod 304 is rotated. The cleaning brush 302 is in close contact with the filter screen on the mounting seat 201 under the drive of the threaded rod 304. At this time, the cleaning effect is better during the upward movement of the mounting seat 201. The residues swept by the cleaning brush 302 fall downwards and enter the collection seat 203. After the mounting seat 201 is pulled out of the box 1, the residues in the collection seat 203 can be directly poured out. When cleaning the discharge hole 504, the two electric cylinders 506 are controlled to extend. The discharge pipe 502 is hidden inside the sleeve pipe 501 under the drive of the two electric cylinders 506. The discharge hole 504 can be cleaned under the scraping action of the sleeve pipe 501. When the discharge pipe 502 is hidden inside the sleeve pipe 501, the discharge pipe 502 can be sealed. When the discharge pipe 502 needs to be cleaned, the electric motor 601 is controlled to rotate. The electric motor 601 drives the impeller 602 to rotate to agitate the liquid in the box 1. The dirt on the discharge pipe 502 can be removed by agitation.

[0039] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A vacuum pump filtering device for grain storage, characterized in that: include: The box body (1) is a rectangular box-shaped structure, a cover plate (101) is fixed on the top of the box body (1), two limit blocks (102) are welded to the front end face and the rear end face of the inner wall of the box body (1), a liquid inlet pipe (103) is welded to the left end face of the box body (1), and a first filter assembly (2) is installed on the cover plate (101); the first filter assembly (2) consists of a mounting seat (201), a blocking rod (202) and a collecting seat (203), and is installed The mounting seat (201) is plugged into the cover plate (101), and the mounting seat (201) is also plugged into between the four limit blocks (102). The mounting seat (201) is located on the right side of the liquid inlet pipe (103), and a filter screen is welded on the mounting seat (201); a blocking rod (202) is welded on the mounting seat (201) in a linear array shape, and the blocking rod (202) is a cylindrical rod-shaped structure. The left side of the outer wall of the blocking rod (202) contacts the right side of the filter screen on the mounting seat (201).

2. A vacuum pump filtering device for grain storage according to claim 1, characterized in that: A cleaning assembly (3) is installed on the box body (1), and the cleaning assembly (3) is composed of a connecting rod (301), a cleaning brush (302), a connecting block (303) and a threaded rod (304). Two connecting rods (301) are slidably mounted on the box body (1), and the right ends of the two connecting rods (301) are welded to the cleaning brush (302), and the cleaning brush (302) is in contact with the filter screen on the mounting seat (201).

3. A vacuum pump filtering device for grain storage according to claim 2, characterized in that: The left ends of the two connecting rods (301) are welded to the connecting block (303); a threaded rod (304) is rotated on the left end surface of the box body (1), and the threaded rod (304) is threadedly connected to the connecting block (303).

4. A vacuum pump filtering device for grain storage according to claim 3, characterized in that: A collecting seat (203) is welded below the left end surface of the mounting seat (201), and the collecting seat (203) is a concave structure.

5. A vacuum pump filtering device for grain storage according to claim 4, characterized in that: A second filter assembly (4) is fixed in the box body (1), and the second filter assembly (4) is composed of a first baffle (401), a seat body (402), a first through hole (403), and a second through hole (404). Two first baffles (401) are welded in the box body (1), and both are located on the right side of the mounting seat (201). A first through hole (403) is provided at a lower position on the left side of the left first baffle (401), and a filter screen is fixed at the first through hole (403); a second through hole (404) is provided at an upper position on the left side of the right first baffle (401), and a filter screen is fixed at the second through hole (404).

6. A vacuum pump filtering device for grain storage according to claim 5, characterized in that: Six base bodies (402) are fixed in a linear array between the two first baffles (401), the six base bodies (402) all having a U-shaped structure, a filter screen is fixed on each base body (402), and the six base bodies (402) are located between the first through hole (403) and the second through hole (404).

7. A vacuum pump filtering device for grain storage according to claim 6, characterized in that: A connecting assembly (5) is installed on the box body (1), and the connecting assembly (5) consists of a sleeve (501), a discharge pipe (502), a valve (503), a discharge hole (504), a mounting block (505), and an electric cylinder (506). A sleeve (501) is welded to the right end face of the box body (1), and a discharge pipe (502) slides inside the sleeve (501). The discharge pipe (502) is connected to the rotary vane vacuum pump through a pipeline, and the outer wall of the discharge pipe (502) contacts the inner wall of the sleeve (501). The valve (503) is installed on the discharge pipe (502), and the outer wall of the discharge pipe (502) is provided with discharge holes (504) in a ring array.

8. A vacuum pump filtering device for grain storage according to claim 7, characterized in that: A mounting block (505) with an annular structure is welded to the outer wall of the discharge pipe (502), and two electric cylinders (506) are fixed to the left end face of the mounting block (505), and the left ends of the two electric cylinders (506) are fixed to the right end face of the box body (1).

9. A vacuum pump filtering device for grain storage according to claim 8, characterized in that: An auxiliary component (6) is installed in the box (1), and the auxiliary component (6) is composed of a motor (601) and an impeller (602). A motor (601) is fixed to the right end face of the inner wall of the box (1), and an impeller (602) is fixed to the output shaft of the motor (601). The impeller (602) is located above the discharge pipe (502).

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