Negative pressure multi-connected precision filter

Abstract

The utility model relates to the technical field of filters, and discloses a negative pressure multi-union precision filter which comprises a multi-union filter and a diaphragm pump, and the multi-union filter further comprises refining filter cartridges which are arranged at equal intervals; according to the utility model, the driving motor drives the connecting rod and the external electromagnetic iron rod to rotate and stir the filtered stock solution in the front filter cartridge, and scrap iron mixed in the filtered stock solution can be adsorbed by the electromagnetic iron rod, so that the scrap iron in the stock solution entering multiple groups of refining filter cartridges is reduced, the stock solution filtering efficiency of the refining filter cartridges is integrally improved, and the product quality is improved. Meanwhile, the manual cleaning frequency of the filter elements in the multi-connected filter is reduced; an end cover at the top of the front filter cartridge can be disassembled through a bolt, and an electromagnetic iron rod and a filter element outside a connecting rod can be taken out, so that scrap iron adsorbed on the electromagnetic iron rod can be conveniently cleaned, and the refining filter cartridge can be disassembled from the bottoms of the multi-union filter and the front filter cartridge, so that the filter element in the multi-union precision filter is more convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a negative pressure multi-connected precision filter. Background Art

[0002] During machine tool cutting operations, cutting fluid is usually used in the cutting process, and the cutting fluid carries the cut metal chips and the oil that seeps out of the machine tool. In order to deal with these contaminated cutting fluids, there is a filter in the prior art for separating the metal in the cutting fluid and recovering the metal.

[0003] For example, the Chinese patent publication number is CN220530918U, a negative pressure multi-unit precision filter, belonging to the technical field of sewage purification equipment. It includes a base, two filter cartridges are arranged on the base, a pneumatic diaphragm pump is also arranged on the base, the pneumatic diaphragm pump is arranged in the middle of the two filter cartridges, a filter element is arranged inside the filter cartridges, a vacuum port and a drainage pipe are arranged on the filter cartridges, filter cartridge valves are respectively arranged on the drainage pipes of the two filter cartridges, the filter cartridge valves are used to control the circulation of the drainage pipes, the drainage pipes on the two filter cartridges merge into one, connected to the pneumatic diaphragm pump, and the pneumatic diaphragm pump is provided with a drainage port and an air inlet;

[0004] In the prior art, after the filter element of one of the filter cartridges is filled with filtered material, the filter cartridge valve can be closed to stop filtering the filter cartridge, and then the filter element of the filter cartridge can be cleaned. During the cleaning process, the filtering of the other filter cartridge will not be affected, thereby improving the filtering efficiency.

[0005] However, after the original liquid is directly introduced into the fine filter cartridge of the existing multi-unit precision filter for filtration, the fine filter element is quickly filled and blocked by the filter material, resulting in low overall filtration efficiency, and the fine filter element needs to be cleaned continuously. The filter element in the multi-unit filter is frequently disassembled and assembled, which is inconvenient to operate. Utility Model Content

[0006] The purpose of the utility model is to provide a negative pressure multi-joint precision filter, which can initially filter out more iron filings and impurities from the filtered raw liquid, thereby improving the overall filtration efficiency of the multi-joint filter, and reducing the frequency of disassembly and assembly of the multi-joint filter, making the operation more convenient.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a negative pressure multi-point precision filter, comprising a multi-point filter and a diaphragm pump, the multi-point filter also comprising a fine filter cartridge arranged at equal intervals, a pre-filter cartridge is arranged on the top of the multi-point filter, an end cover is fixedly installed on the top of the pre-filter cartridge by bolts, and a driving motor is fixedly installed on the top of the end cover, a connecting rod is fixedly connected to the output end of the driving motor, a filter element is arranged inside the pre-filter cartridge, and electromagnet rods are arranged at equal intervals outside the connecting rod, a connecting frame is fixedly installed on the inner wall of the pre-filter cartridge near the bottom, a mounting seat is fixedly installed in the middle of the connecting frame, and the bottom end of the connecting rod is mounted on the mounting seat.

[0008] Preferably, the pre-filter cartridge is mounted on the top of the multi-filter via a bracket, a plurality of groups of fine filter cartridges are fixedly mounted at equal intervals on the bottom of the pre-filter cartridge, and a water inlet is provided through one side of the top of the pre-filter cartridge.

[0009] Preferably, liquid guide holes are formed through the bottom of the pre-filter cartridge at equal intervals, and the liquid guide holes correspond one-to-one to the multiple groups of refinement filter cartridges.

[0010] Preferably, the filter element and the inner wall of the pre-filter cartridge are in clearance fit, and the electromagnet rod is in contact with the inner wall of the filter element.

[0011] Preferably, a positioning block is rotatably connected inside the mounting seat, and a socket is penetrated through the top of the mounting seat.

[0012] Preferably, the bottom end of the connecting rod movably passes through a socket and is plugged into the positioning block.

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

[0014] The utility model drives the connecting rod and the external electromagnet rod to rotate and stir the filtered stock liquid in the front filter cartridge through the driving motor, and the iron filings mixed in the filtered stock liquid can be adsorbed by the electromagnet rod, thereby reducing the iron filings in the stock liquid from entering the multiple groups of fine filter cartridges, improving the filtering efficiency of the fine filter cartridges for the stock liquid as a whole, and reducing the frequency of manual cleaning of the filter element inside the multi-filter;

[0015] The top end cover of the pre-filter cartridge in the utility model can be disassembled by bolts, and the electromagnet rod and the filter element outside the connecting rod can be taken out, so that the iron filings adsorbed on the electromagnet rod can be easily cleaned, and the fine filter cartridge can be disassembled from the bottom of the multi-filter and the pre-filter cartridge, thereby making it more convenient to disassemble the filter element in the multi-filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the side cross-sectional structure of the pre-filter cartridge in the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the pre-filter cartridge in the utility model;

[0019] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0020] In the figure: 1. multi-filter; 2. diaphragm pump; 3. pre-filter cartridge; 4. mounting seat; 11. fine filter cartridge; 31. water inlet; 32. drive motor; 33. filter element; 34. connecting rod; 35. electromagnet rod; 36. liquid guide hole; 41. connecting frame; 42. socket; 43. positioning block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 The utility model provides a technical solution: a negative pressure multi-unit precision filter, comprising a multi-unit filter 1, a diaphragm pump 2, the multi-unit filter 1 also includes a fine filter cartridge 11 arranged at equal intervals, and a pre-filter cartridge 3 is arranged on the top of the multi-unit filter 1;

[0023] An end cover is fixedly installed on the top of the pre-filter cartridge 3 by bolts, and a driving motor 32 is fixedly installed on the top of the end cover, a connecting rod 34 is fixedly connected to the output end of the driving motor 32, a filter element 33 is arranged inside the pre-filter cartridge 3, and electromagnet rods 35 are arranged at equal intervals outside the connecting rod 34, a connecting frame 41 is fixedly installed near the bottom of the inner wall of the pre-filter cartridge 3, a mounting seat 4 is fixedly installed in the middle of the connecting frame 41, and the bottom end of the connecting rod 34 is installed on the mounting seat 4;

[0024] The filter element 33 inside the pre-filter cartridge 3 is in clearance fit with the inner wall of the cartridge, and a DC power supply is installed inside the connecting rod 34 to supply power to the electromagnet rod 35 outside the connecting rod 34, so that the electromagnet rod 35 can adsorb the iron filings mixed in the raw liquid inside the pre-filter cartridge 3;

[0025] The connecting rod 34 and the external electromagnet rod 35 are driven by the driving motor 32 to rotate and stir the filtered stock solution inside the pre-filter cartridge 3, and the iron filings mixed in the filtered stock solution can be adsorbed by the electromagnet rod 35, thereby reducing the iron filings in the stock solution from entering the multiple groups of fine filter cartridges 11, thereby improving the filtering efficiency of the fine filter cartridges 11 for the stock solution as a whole, and reducing the manual cleaning frequency of the filter element 33 inside the multi-filter 1;

[0026] The top end cover of the pre-filter cartridge 3 can be disassembled by bolts, and the external electromagnet rod 35 of the connecting rod 34 and the filter element 33 can be taken out, so that the iron filings adsorbed on the electromagnet rod 35 can be easily cleaned, and the fine filter cartridge 11 can be disassembled from the bottom of the multi-filter 1 and the pre-filter cartridge 3, thereby making it easier to disassemble the filter element in the multi-precision filter.

[0027] Among them, the pre-filter cartridge 3 is installed on the top of the multi-filter 1 through a bracket, and multiple groups of fine filter cartridges 11 are fixedly installed at the bottom of the pre-filter cartridge 3 at equal intervals. A water inlet 31 is opened on one side of the top of the pre-filter cartridge 3, and the raw liquid to be filtered can be introduced into the pre-filter cartridge 3 for filtering treatment through the water inlet 31.

[0028] Among them, liquid guide holes 36 are opened at equal intervals through the bottom of the pre-filter cartridge 3, and the liquid guide holes 36 correspond to the multiple groups of fine filter cartridges 11 one by one. After the pre-filter cartridge 3 filters the raw liquid to be filtered, the filtered raw liquid can be introduced into the multiple groups of fine filter cartridges 11 through the liquid guide holes 36 for fine filtration.

[0029] Among them, the filter element 33 is fitted with the inner wall of the pre-filter cartridge 3 with a gap, and the electromagnetic rod 35 is in contact with the inner wall of the filter element 33. The connecting rod 34 and the external electromagnetic rod 35 are driven by the driving motor 32 to rotate and stir the filtered raw liquid inside the pre-filter cartridge 3, and the iron filings mixed in the filtered raw liquid can be adsorbed by the electromagnetic rod 35.

[0030] Among them, a positioning block 43 is rotatably connected inside the mounting seat 4, a socket 42 is opened through the top of the mounting seat 4, the bottom end of the connecting rod 34 movably passes through the socket 42 and is plugged into the positioning block 43, and the bottom end of the connecting rod 34 can be plugged into the positioning block 43 inside the mounting seat 4. The driving motor 32 drives the connecting rod 34 and the external electromagnet rod 35 to rotate stably inside the pre-filter cartridge 3.

[0031] Working principle: When in use, the raw liquid to be filtered can be introduced into the pre-filter cartridge 3 through the water inlet 31 for filtration treatment;

[0032] Then, the driving motor 32 drives the connecting rod 34 and the external electromagnetic rod 35 to rotate and stir the filtered stock solution inside the pre-filter cartridge 3, and the iron filings mixed in the filtered stock solution can be adsorbed by the electromagnetic rod 35, thereby reducing the iron filings in the stock solution from entering the multiple groups of fine filter cartridges 11, thereby improving the filtering efficiency of the fine filter cartridges 11 for the stock solution as a whole, and reducing the manual cleaning frequency of the filter element 33 inside the multi-filter 1;

[0033] Finally, when cleaning the internal filter element of the multi-joint precision filter, the top end cover of the pre-filter cartridge 3 can be disassembled by bolts, and the external electromagnet rod 35 of the connecting rod 34 and the filter element 33 can be taken out, so that the iron filings adsorbed on the electromagnet rod 35 can be easily cleaned, and the fine filter cartridge 11 can be disassembled from the bottom of the multi-joint filter 1 and the pre-filter cartridge 3, thereby making it easier to disassemble the filter element in the multi-joint precision filter.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes and modifications may be made to the embodiments without departing from the principles of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A negative pressure multi-unit precision filter, comprising a multi-unit filter (1) and a diaphragm pump (2), characterized in that: The multi-filter (1) further comprises fine filter cartridges (11) arranged at equal intervals, a pre-filter cartridge (3) is arranged on the top of the multi-filter (1), an end cover is fixedly mounted on the top of the pre-filter cartridge (3) by means of bolts, and a driving motor (32) is fixedly mounted on the top of the end cover, a connecting rod (34) is fixedly connected to the output end of the driving motor (32), a filter element (33) is arranged inside the pre-filter cartridge (3), and electromagnet rods (35) are arranged at equal intervals outside the connecting rod (34), a connecting frame (41) is fixedly mounted on the inner wall of the pre-filter cartridge (3) near the bottom, a mounting seat (4) is fixedly mounted in the middle of the connecting frame (41), and the bottom end of the connecting rod (34) is mounted on the mounting seat (4).

2. A negative pressure multi-unit precision filter according to claim 1, characterized in that: The pre-filter cartridge (3) is mounted on the top of the multi-filter (1) via a bracket, and a plurality of groups of fine filter cartridges (11) are fixedly mounted at equal intervals on the bottom of the pre-filter cartridge (3). A water inlet (31) is provided through one side of the top of the pre-filter cartridge (3).

3. The negative pressure multi-unit precision filter according to claim 1, characterized in that: Liquid guide holes (36) are formed through the bottom of the pre-filter cartridge (3) at equal intervals, and the liquid guide holes (36) correspond one-to-one to the multiple groups of refinement filter cartridges (11).

4. The negative pressure multi-unit precision filter according to claim 1, characterized in that: The filter element (33) and the inner wall of the pre-filter cartridge (3) are in clearance fit, and the electromagnet rod (35) is in close contact with the inner wall of the filter element (33).

5. The negative pressure multi-unit precision filter according to claim 1, characterized in that: A positioning block (43) is rotatably connected inside the mounting seat (4), and a plug hole (42) is provided through the top of the mounting seat (4).

6. A negative pressure multi-unit precision filter according to claim 5, characterized in that: The bottom end of the connecting rod (34) movably passes through the insertion hole (42) and is inserted into the positioning block (43).

Images