Rolling mill gear oil filtering device

Abstract

The utility model discloses a rolling mill gear oil filtering device which comprises a filtering box, a filtering cylinder and a filtering core, a feeding port and a discharging port are respectively formed in the filtering box; the filter cartridge comprises a plurality of splicing plates, a limiting groove is formed in any splicing plate, the plurality of splicing plates are spliced into the filter cartridge through a limiting ring, and the filter cartridge is detachably arranged in the filter box; the filter element comprises a first filter screen and a second filter screen, connecting sliding blocks are fixed to the peripheries of the first filter screen and the second filter screen in the circumferential direction, and the connecting sliding blocks are connected into the limiting grooves in a sliding mode, so that the first filter screen and the second filter screen are vertically arranged in the filter cylinder. The filter element has the beneficial effects that the technical problems that the filter element in the filter device in the prior art needs to be replaced or cleaned by a worker after being used for a period of time, but the existing filter element is relatively inconvenient to disassemble, so that the disassembly efficiency of the worker is invisibly reduced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a rolling mill gear oil filtering device. Background Art

[0002] The working principle of the filter is to filter impurities in the gear oil through the filter element to ensure the cleanliness of the gear oil and prevent impurities from being pumped into the oil pump and damaging the oil pump impeller;

[0003] In Chinese utility model CN214836810U, a "filter" is proposed. The external structure of the device is composed of a filter shell, an oil inlet pipe and an oil outlet pipe. The protective ring and the reinforcing strip realize the protection of the device shell. The circular ring slot, the connecting spring, the circular groove, the oil hole plate, the threaded rod, the nut and the adjusting spring have the effect of preventing backflow. However, as time goes by, the impurities on the filter element are increasing, resulting in increased resistance and reduced flow. The staff is required to clean it. If the filter element is not cleaned, it is easy to cause the filtering effect of the entire filtering device to deteriorate. The current filter element replacement and installation efficiency is relatively cumbersome, which virtually reduces the installation efficiency of the staff. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned technical deficiencies and provide a rolling mill gear oil filtering device to solve the technical problem that the filter element in the filtering device in the prior art needs to be replaced or cleaned by the staff after being used for a period of time, but the existing filter element is inconvenient to disassemble, which invisibly reduces the disassembly efficiency of the staff.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a rolling mill gear oil filtering device, comprising:

[0007] A filter box, wherein a feed port and a discharge port are respectively provided on the filter box;

[0008] The filter cartridge comprises a plurality of assembly plates, any one of which is provided with a limiting groove, and a plurality of the assembly plates are assembled into the filter cartridge through a limiting ring, and the filter cartridge is detachably arranged in the filter box;

[0009] The filter element comprises a first filter screen and a second filter screen, the outer circumferences of the first filter screen and the second filter screen are circumferentially fixed with connecting sliders, the connecting sliders are slidably connected in the limiting groove, so that the first filter screen and the second filter screen are vertically arranged in the filter cartridge.

[0010] In some embodiments, the filter box further includes a sealing cover, and the sealing cover is detachably connected to the top of the filter box.

[0011] In some embodiments, a handle is disposed at the upper end of the sealing cover, and a squeezing column for squeezing the filter cartridge is disposed at the lower end of the sealing cover.

[0012] In some embodiments, a carrying block is disposed inside the filter box, and the filter cartridge is placed on the carrying block.

[0013] In some embodiments, the number of the assembling plates is four, and the assembling plates are arc-shaped plates with an arc of 90°, protrusions and grooves are respectively provided on both sides of the assembling plates, and mounting holes are symmetrically provided at the upper and lower ends of the assembling plates, and the limiting rings include a first limiting ring and a second limiting ring, and the mounting holes are used to cooperate with the first limiting ring and the second limiting ring.

[0014] In some embodiments, the arc of the limiting groove is 60°, and the first limiting ring and the second limiting ring are provided with a first positioning hole and a second positioning hole that match the mounting hole.

[0015] In some embodiments, the number of the connecting sliders is four, the connecting sliders are arranged in a cross shape on the periphery of the first filter screen or the second filter screen, at least two columns are arranged at the lower end of each connecting slider, and a support member is provided at the upper end of the connecting slider.

[0016] In some embodiments, the support member includes a connecting column and a supporting block; each of the connecting sliders is connected to two of the connecting columns, the supporting blocks are fixed on the two connecting columns, and the supporting blocks are provided with connecting holes that cooperate with the columns.

[0017] In some embodiments, the filter cartridge is arranged in the filter box, below the feed port and above the discharge port.

[0018] In some embodiments, a differential pressure transmitter is provided on both the feed port and the discharge port.

[0019] Compared with the prior art, the utility model provides a rolling mill gear oil filtering device, which facilitates the introduction of liquid into the filter box by arranging a feed port on the filter box, wherein the filter cartridge is composed of a plurality of assembly plates, each assembly plate is provided with a limiting groove, and a first filter screen and a second filter screen are respectively arranged in the limiting groove, the filter cartridge, the first filter screen and the second filter screen constitute a filtering structure, which is placed in the filter box and is used to filter the liquid, and the filtered liquid is discharged outward from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a rolling mill gear oil filtering device provided by an embodiment of the utility model;

[0021] Figure 2 It is a bottom view of the rolling mill gear oil filtering device provided by the embodiment of the utility model;

[0022] Figure 3 It is a schematic diagram of the filter structure in the rolling mill gear oil filtering device provided by the embodiment of the utility model;

[0023] Figure 4 It is a schematic diagram of the filter cartridge structure in the rolling mill gear oil filtering device provided by the embodiment of the utility model;

[0024] Figure 5 It is a schematic structural diagram of a first limiting ring and a second limiting ring in a rolling mill gear oil filtering device provided in an embodiment of the utility model.

[0025] Explanation of the reference numerals: 1. filter box; 11. feed port; 12. discharge port; 13. sealing cover; 131. handle; 132. extrusion column; 14. bearing block; 2. filter cartridge; 21. assembly plate; 211. protrusion; 212. groove; 213. mounting hole; 22. limiting groove; 23. first limiting ring; 231. first positioning hole; 24. second limiting ring; 241. second positioning hole; 3. filter element; 31. first filter screen; 32. second filter screen; 33. connecting slider; 331. column; 34. support member; 341. connecting column; 342. support block; 343. connecting hole. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] See also Figure 1 , Figure 1 This is a structural schematic diagram of a rolling mill gear oil filtering device in an embodiment of the utility model, wherein the rolling mill gear oil filtering device comprises a filter box 1, a filter cartridge 2 and a filter element 3;

[0028] A filter box 1, wherein a feed port 11 and a discharge port 12 are respectively provided on the filter box 1;

[0029] The filter cartridge 2 includes a plurality of assembly plates 21. A limiting groove 22 is provided on any assembly plate 21. The plurality of assembly plates 21 are assembled into the filter cartridge 2 through a limiting ring. The filter cartridge 2 is detachably arranged in the filter box 1.

[0030] The filter element 3 includes a first filter screen 31 and a second filter screen 32. The outer circumferences of the first filter screen 31 and the second filter screen 32 are circumferentially fixed with a connecting slider 33. The connecting slider 33 is slidably connected in the limiting groove 22, so that the first filter screen 31 and the second filter screen 32 are vertically arranged in the filter cartridge 2.

[0031] In the present application, a feed port 11 is provided on the filter box 1 to facilitate the introduction of liquid into the filter box 1, and a discharge port 12 is provided to facilitate the discharge of the filtered liquid, wherein a filter element 3 is provided in the filter cartridge 2, and the filter cartridge 2 is placed inside the filter box 1 for filtering the liquid, and the filter cartridge 2 is formed by splicing a plurality of assembly plates 21, and a limiting groove 22 is provided on each assembly plate 21, and the limiting groove 22 cooperates with a connecting slider 33 on the periphery of the first filter screen 31 or the second filter screen 32, so that the first filter screen 31 and the second filter screen 32 can be placed in the filter cartridge 2, and the overall structure of the device adopts an assembly design, which makes it convenient for the staff to disassemble, clean or replace the first filter screen 31 or the second filter screen 32 later, thereby greatly improving the filtration efficiency of the filtration device.

[0032] In one embodiment, see Figure 2 In order to improve the sealing performance of the filter box 1, the filter box 1 also includes a sealing cover 13, which is detachably connected to the top of the filter box 1. A handle 131 is provided at the upper end of the sealing cover 13, and an extrusion column 132 for extruding the filter cartridge 2 is provided at the lower end of the sealing cover 13. A supporting block 14 is provided inside the filter box 1, and the filter cartridge 2 is placed on the supporting block 14.

[0033] In this embodiment, the sealing cover 13 is detachably connected to the upper end of the filter box 1. A handle 131 is provided on the sealing cover 13 to facilitate the staff to lift the entire sealing cover 13 upwards. An extrusion column 132 is arranged at the lower end of the sealing cover 13. The filter cartridge 2 can be limited by the extrusion column 132, and a supporting block 14 is arranged in the filter box 1 to support the entire filter cartridge 2.

[0034] In one embodiment, see Figure 3-Figure 5In order to improve the assembly efficiency of the filter cartridge 2, the number of the assembly plates 21 is four, and the assembly plates 21 are arc-shaped plates with an arc of 90°. The two sides of the assembly plates 21 are respectively provided with protrusions 211 and grooves 212. The upper and lower ends of the assembly plates 21 are symmetrically provided with mounting holes 213. The limiting rings include a first limiting ring 23 and a second limiting ring 24. The mounting holes 213 are used to cooperate with the first limiting ring 23 and the second limiting ring 24. The arc of the limiting groove 22 is 60°. The first limiting ring 23 and the second limiting ring 24 are provided with a first positioning hole 231 and a second positioning hole 241 that cooperate with the mounting hole 213. The connecting slider 3 3 is four, and the outer periphery of the first filter screen 31 or the second filter screen 32 is cross-shapedly arranged with connecting sliders 33, and at least two columns 331 are arranged at the lower end of each connecting slider 33, and a support member 34 is provided at the upper end of the connecting slider 33, and the support member 34 includes a connecting column 341 and a support block 342; each connecting slider 33 is connected to two connecting columns 341, and a support block 342 is fixed on the two connecting columns 341, and a connecting hole 343 matching with the column 331 is opened on the support block 342, and the filter cartridge 2 is arranged in the filter box 1, below the feed port 11, and above the discharge port 12.

[0035] In this embodiment, the number of the assembling plates 21 is four, and a protrusion 211 and a groove 212 are respectively provided on both sides of each assembling plate 21. Between two adjacent assembling plates 21, the protrusion 211 can be extended into the groove 212. A filter cartridge 2 can be formed by four assembling plates 21, and each assembling plate 21 is provided with a limiting groove 22, and a connecting slider 33 is fixed to the outer periphery of the first filter screen 31 and the second filter screen 32, so that the connecting slider 33 can be slidably connected in the limiting groove 22, thereby promoting The first filter screen 31 and the second filter screen 32 are installed in the filter cartridge 2. In order to maintain a gap between the first filter screen 31 and the second filter screen 32, a column 331 is arranged at the lower end of the connecting slider 33, and a connecting column 341 and a support block 342 are arranged at the upper end of the connecting slider 33, and a connecting hole 343 is opened on the support block 342, so that the second filter screen 32 can support the first filter screen 31 and maintain a gap between the second filter screen 32 and the first filter screen 31 to avoid the situation where the distance is too close.

[0036] In one embodiment, see Figure 1 and Figure 2 , a differential pressure transmitter may be provided on both the feed port 11 and the discharge port 12 .

[0037] In this embodiment, by setting a differential pressure transmitter on the feed port 11 and the discharge port 12, the pressure difference at the inlet and outlet of the filter box 1 can be transmitted to the external central control room. The staff can set the pressure difference alarm value in the central control room according to the actual situation, and when the detected pressure value exceeds the limit, a reminder will be issued.

[0038] In order to better understand the present invention, the following Figures 1 to 5 The technical solution of the utility model is described in detail: the staff assembles the four assembling plates 21 so that the protrusions 211 between the adjacent assembling plates 21 extend into the grooves 212, so that the four assembling plates 21 form a cylindrical structure, and then the lower end of the cylinder is limited by the second limiting ring 24, and the second positioning hole 241 and the mounting hole 213 are matched to form a filter cartridge 2. The staff slides the second filter screen 32 into the filter cartridge 2 from top to bottom. Since each assembling plate 21 is provided with a limiting groove 22, there are four limiting grooves 22 on the entire filter cartridge 2. The staff inserts the second filter screen 32 and the first filter screen 31 into the limiting grooves 22 in sequence, and connects the first filter screen 31 to the column 331 at the lower end of the slider 33. Insert it into the connecting hole 343 of the support block 342 on the second filter screen 32, so that the first filter screen 31 is located at the upper end of the second filter screen 32. It should be noted that my application only depicts two filter screens in the accompanying drawings, but there can actually be multiple filter screens. When the first filter screen 31 is assembled inside the filter cartridge 2, the upper end of the filter cartridge 2 is positioned by the first limiting ring 23, and then the entire filter cartridge 2 is placed in the filter box 1, and the sealing cover 13 is installed on the filter box 1, and the upper end of the first limiting ring 23 is limited by the extrusion column 132, thereby enhancing the stability of the entire filter cartridge 2 inside the filter box 1. The device is simple to operate and adopts an assembled structure, which is convenient for the staff to disassemble later, greatly improving the filtration efficiency of the filtration device.

[0039] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A rolling mill gear oil filtering device, characterized in that: include: A filter box, wherein a feed port and a discharge port are respectively provided on the filter box; The filter cartridge comprises a plurality of assembly plates, any one of which is provided with a limiting groove, and a plurality of the assembly plates are assembled into the filter cartridge through a limiting ring, and the filter cartridge is detachably arranged in the filter box; The filter element comprises a first filter screen and a second filter screen, the outer circumferences of the first filter screen and the second filter screen are circumferentially fixed with connecting sliders, the connecting sliders are slidably connected in the limiting groove, so that the first filter screen and the second filter screen are vertically arranged in the filter cartridge.

2. A rolling mill gear oil filtering device according to claim 1, characterized in that: The filter box also includes a sealing cover, which is detachably connected to the top of the filter box.

3. A rolling mill gear oil filtering device according to claim 2, characterized in that: A handle is arranged at the upper end of the sealing cover, and an extrusion column for extruding the filter cartridge is arranged at the lower end of the sealing cover.

4. A rolling mill gear oil filtering device according to claim 1, characterized in that: A bearing block is arranged inside the filter box, and the filter cartridge is placed on the bearing block.

5. A rolling mill gear oil filtering device according to claim 1, characterized in that: The number of the assembling plates is four, and the assembling plates are arc-shaped plates with an arc of 90°. Bumps and grooves are respectively provided on both sides of the assembling plates. Mounting holes are symmetrically provided at the upper and lower ends of the assembling plates. The limiting rings include a first limiting ring and a second limiting ring, and the mounting holes are used to cooperate with the first limiting ring and the second limiting ring.

6. A rolling mill gear oil filtering device according to claim 5, characterized in that: The arc of the limiting groove is 60°, and the first limiting ring and the second limiting ring are provided with a first positioning hole and a second positioning hole matched with the mounting hole.

7. A rolling mill gear oil filtering device according to claim 1, characterized in that: The number of the connecting sliders is four, and the connecting sliders are arranged in a cross shape on the periphery of the first filter screen or the second filter screen, at least two columns are arranged at the lower end of each connecting slider, and a support is provided at the upper end of the connecting slider.

8. A rolling mill gear oil filtering device according to claim 7, characterized in that: The support member includes a connecting column and a supporting block; two connecting columns are connected to each connecting sliding block, the supporting blocks are fixed to the two connecting columns, and the supporting blocks are provided with connecting holes that cooperate with the columns.

9. A rolling mill gear oil filtering device according to claim 1, characterized in that: The filter cartridge is arranged in the filter box, below the feed port and above the discharge port.

10. A rolling mill gear oil filtering device according to claim 1, characterized in that: The feed port and the discharge port are both provided with a differential pressure transmitter.

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