Filtering device for centrifugal machine

Abstract

The filtering device for the centrifugal machine comprises a machine shell, the bottom of an inner cavity of the machine shell is connected with a base in a rotating mode through a bearing seat, a filtering mechanism is arranged on the top of the base, a fixing ring is arranged on the top of the filtering mechanism, a sealing cover is arranged on the top of the machine shell, and the sealing cover is arranged on the bottom of the inner cavity of the machine shell. The top of the sealing cover is fixedly connected with a motor, a driving mechanism is arranged at the bottom of the motor, the top of the sealing cover communicates with a liquid inlet pipe, and one side of the machine shell communicates with a liquid outlet pipe. According to the filtering device for the centrifugal machine, the problems that when an existing filtering device for the centrifugal machine is damaged or needs to be cleaned, due to the structure of the filtering device, the filtering frame is inconvenient to replace, and a large amount of manpower and time need to be consumed for replacement are solved.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic oil filtration, in particular to a filtering device for a centrifuge. Background Art

[0002] Hydraulic oil is the hydraulic medium used in hydraulic systems that utilize liquid pressure energy. It plays the roles of energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, and cooling in hydraulic systems.

[0003] After searching, the patent document with the authorization number CN215257136U discloses "a filtering device for a hydraulic oil filtering centrifuge". Although it solves the problem that the filtering device for the existing hydraulic oil filtering centrifuge can only filter the hydraulic oil once, which is more likely to affect the filtering quality of the hydraulic oil of the device and greatly reduce the practical performance of the device itself, when the internal filter frame is damaged or needs to be cleaned, due to its structural reasons, it is inconvenient to replace the filter frame, and it takes a lot of manpower and time to replace it.

[0004] Therefore, it is necessary to provide a new centrifuge filter to solve the above-mentioned technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a centrifuge filter device with easy replacement of filter structure.

[0006] The utility model provides a centrifuge filtering device, comprising a casing, wherein the bottom of the casing inner cavity is rotatably connected with a base through a bearing seat, a filtering mechanism is arranged on the top of the base, a fixing ring is arranged on the top of the filtering mechanism, a sealing cover is arranged on the top of the casing, a motor is fixedly connected to the top of the sealing cover, a driving mechanism is arranged on the bottom of the motor, a liquid inlet pipe is communicated with the top of the sealing cover, a liquid outlet pipe is communicated with one side of the casing, the filtering mechanism comprises a connecting disk, the connecting disk is located above the base, a filter screen is fixedly connected to the top of the connecting disk, a connecting ring is fixedly connected to the top of the filter screen, a connecting bolt is threadedly connected to the inner cavity of the connecting disk, a cross block is fixedly connected to the bottom of the connecting disk, a cross slot is provided on the top of the base, and the outer side of the cross block is slidably connected to the inner wall of the cross slot.

[0007] As a filtering device for a centrifuge provided by the utility model, preferably, an auxiliary plate is fixedly connected to the top of the connecting ring, and an auxiliary bolt is threadedly connected to the inner cavity of the auxiliary plate.

[0008] As a filtering device for a centrifuge provided by the utility model, preferably, the driving mechanism comprises a fixing seat, the inner cavity of the fixing seat is clamped with a rotating rod, the inner cavity of the rotating rod is threadedly connected to a fixing bolt, and the outer side of the fixing bolt is threadedly connected to a fixing nut.

[0009] As a filtering device for a centrifuge provided by the utility model, preferably, the outer side of the rotating rod is fixedly connected to a limiting block, and the outer side of the limiting block is slidably connected to the inner wall of the fixing seat.

[0010] As a filtering device for a centrifuge provided by the utility model, preferably, a sliding block is fixedly connected to the outer side of the fixing ring, an annular slide rail is fixedly connected to the inner wall of the casing, and the outer side of the sliding block is slidably connected to the inner wall of the annular slide rail.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The centrifuge filter device, when using the device, can first connect the liquid inlet pipe with the external hydraulic oil pipeline, the hydraulic oil enters the liquid inlet pipe through the external pipeline, and then reaches the filter screen, the motor drives the rotating rod to rotate, the fixing seat can be driven to rotate, the fixing seat rotates and drives the connecting plate to rotate, the connecting plate rotates to make the filter screen rotate to filter the hydraulic oil, the filtered hydraulic oil can be discharged through the liquid outlet pipe, when the filter screen is damaged or needs to be cleaned, the coupling at the connection between the rotating rod and the motor can be removed first, then the sealing cover can be removed, and then the fixing nut on the outside of the fixing bolt can be twisted off, and then the fixing bolt can be pulled out from the inside of the rotating rod to release the fixing of the rotating rod, after releasing the fixing of the rotating rod, the rotating rod is moved out, the connecting bolt is rotated to make the connecting bolt twisted out of the base, the fixing of the connecting disk can be released, and then the connecting disk is moved out of the casing, and the filter screen can be cleaned or replaced, which solves the problem that the existing centrifuge filter device is inconvenient to replace the filter frame due to its structural reasons when it is damaged or needs to be cleaned, and it takes a lot of manpower and time to replace it. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 A schematic structural diagram of a preferred embodiment of a centrifuge filter device provided by the utility model;

[0014] Figure 2 It is a structural schematic diagram of the filter screen of the utility model;

[0015] Figure 3 This is a structural sectional view of the base of the utility model;

[0016] Figure 4 This is a schematic diagram of the connection structure of the cross block and the cross slot of the utility model;

[0017] Figure 5 It is a top view of the structure of the fixing seat of the utility model.

[0018] Numbers in the figure: 1. casing; 2. base; 3. filtering mechanism; 301. connecting plate; 302. filter screen; 303. connecting ring; 304. connecting bolt; 4. fixing ring; 5. motor; 6. driving mechanism; 601. fixing seat; 602. rotating rod; 603. fixing bolt; 604. fixing nut; 7. sealing cover; 8. liquid inlet pipe; 9. liquid outlet pipe; 10. auxiliary plate; 11. auxiliary bolt; 12. cross block; 13. cross groove; 14. limit block; 15. slider; 16. annular slide rail. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a centrifuge filter device provided by the utility model; Figure 2 It is a structural schematic diagram of the filter screen of the utility model; Figure 3 This is a structural sectional view of the base of the utility model; Figure 4 This is a schematic diagram of the connection structure of the cross block and the cross slot of the utility model; Figure 5 It is a top view of the structure of the fixing seat of the utility model. A filtering device for a centrifuge comprises a casing 1, the bottom of the inner cavity of the casing 1 is rotatably connected to a base 2 through a bearing seat, a filtering mechanism 3 is arranged on the top of the base 2, a fixing ring 4 is arranged on the top of the filtering mechanism 3, a sealing cover 7 is arranged on the top of the casing 1, a motor 5 is fixedly connected to the top of the sealing cover 7, a driving mechanism 6 is arranged on the bottom of the motor 5, a liquid inlet pipe 8 is connected to the top of the sealing cover 7, and a liquid outlet pipe 9 is connected to one side of the casing 1, the filtering mechanism 3 comprises a connecting plate 301, the connecting plate 301 is located above the base 2, a filter screen 302 is fixedly connected to the top of the connecting plate 301, a connecting ring 303 is fixedly connected to the top of the filter screen 302, a connecting bolt 304 is threadedly connected to the inner cavity of the connecting plate 301, a cross block 12 is fixedly connected to the bottom of the connecting plate 301, a cross groove 13 is provided on the top of the base 2, and the outer side of the cross block 12 is slidably connected to the inner wall of the cross groove 13;

[0021] The outer side of the fixed ring 4 is fixedly connected with a slider 15, the inner wall of the housing 1 is fixedly connected with an annular slide rail 16, and the outer side of the slider 15 is slidably connected with the inner wall of the annular slide rail 16;

[0022] The top of the connecting ring 303 is fixedly connected with an auxiliary plate 10 , and the inner cavity of the auxiliary plate 10 is threadedly connected with an auxiliary bolt 11 .

[0023] It should be noted that: a reinforcing rod is fixedly connected between the fixing ring 4 and the base 2, which improves the structural stability between the fixing ring 4 and the base 2. After the liquid inlet pipe 8 is connected with the sealing cover 7, it passes through the sealing cover 7 and extends downward, but does not enter the inside of the filter mechanism 3. When using this device, the liquid inlet pipe 8 can be connected to the external hydraulic oil pipeline first, and the hydraulic oil enters the liquid inlet pipe 8 through the external pipeline, and enters the filter mechanism 3 through the liquid inlet pipe 8. The filter mechanism 3 is driven to rotate by the driving mechanism 6 in cooperation with the motor 5 to filter the impurities in the hydraulic oil. The filtered hydraulic oil can be discharged through the liquid outlet pipe 9. The sealing cover 7 and the casing 1 are fixedly connected by bolts. By setting the slider 15 and the annular slide rail 16, it is not only convenient for the fixed ring 4 to rotate, but also can limit the fixed ring 4. After the hydraulic oil enters the filter 302, the motor 5 can cooperate with the driving mechanism 6 to drive the connecting plate 301 to rotate, so that the filter 302 rotates to filter the hydraulic oil. A threaded groove used in conjunction with the auxiliary bolt 11 is provided on the top of the fixed ring 4. By twisting the auxiliary bolt 11 in the auxiliary plate 10 into the threaded groove on the top of the fixed ring 4, the stability of the connecting ring 303 during use can be improved. By setting the cross block 12 and the cross groove 13, the connection stability between the connecting disk 301 and the base 2 is improved.

[0024] refer to Figure 1 , Figure 3 and Figure 5 As shown, the driving mechanism 6 includes a fixing seat 601, the inner cavity of the fixing seat 601 is clamped with a rotating rod 602, the inner cavity of the rotating rod 602 is threadedly connected with a fixing bolt 603, and the outer side of the fixing bolt 603 is threadedly connected with a fixing nut 604;

[0025] The outer side of the rotating rod 602 is fixedly connected to the limiting block 14 , and the outer side of the limiting block 14 is slidably connected to the inner wall of the fixing seat 601 .

[0026] It should be noted that the top of the rotating rod 602 is fixedly connected through the output end of the coupling motor 5, and the bottom of the fixed seat 601 is fixedly connected to the top of the connecting plate 301. The rotating rod 602 is driven by the motor 5 to rotate, which can drive the fixed seat 601 to rotate. The rotation of the fixed seat 601 drives the connecting plate 301 to rotate. The rotation of the connecting plate 301 can rotate the filter screen 302 to filter the hydraulic oil. When the filter screen 302 is damaged or needs to be cleaned, the coupling at the connection between the rotating rod 602 and the motor 5 can be removed first, and then the sealing cover 7 can be removed. , then unscrew the fixing nut 604 on the outside of the fixing bolt 603, and then pull the fixing bolt 603 out from the inside of the rotating rod 602 to release the fixation of the rotating rod 602. After releasing the fixation of the rotating rod 602, move the rotating rod 602 out, rotate the connecting bolt 304, and twist the connecting bolt 304 out of the base 2 to release the fixation of the connecting disk 301, and then move the connecting disk 301 out of the casing 1, and then clean or replace the filter 302. By setting the limit block 14, the stability of the rotating rod 602 during the rotation process is improved.

[0027] The working principle of a centrifuge filter device provided by the utility model is as follows:

[0028] When using the device, the liquid inlet pipe 8 can be connected to the external hydraulic oil pipeline first, and the hydraulic oil enters the liquid inlet pipe 8 through the external pipeline, thereby reaching the filter screen 302. The motor 5 drives the rotating rod 602 to rotate, which can drive the fixed seat 601 to rotate. The rotation of the fixed seat 601 drives the connecting plate 301 to rotate. The rotation of the connecting plate 301 can rotate the filter screen 302 to filter the hydraulic oil. The filtered hydraulic oil can be discharged through the liquid outlet pipe 9. When the filter screen 302 is damaged or needs to be cleaned, the rotating rod 602 can be connected to the filter screen 302 first. Remove the coupling at the connection of the motor 5, then remove the sealing cover 7, and then twist off the fixing nut 604 on the outside of the fixing bolt 603, and then pull the fixing bolt 603 out from the inside of the rotating rod 602 to release the fixation of the rotating rod 602. After releasing the fixation of the rotating rod 602, move the rotating rod 602 out, rotate the connecting bolt 304, and twist the connecting bolt 304 out of the base 2 to release the fixation of the connecting disk 301, and then move the connecting disk 301 out of the casing 1, and then the filter 302 can be cleaned or replaced.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A centrifuge filter device, characterized in that: The invention comprises a casing (1), wherein the bottom of the inner cavity of the casing (1) is rotatably connected to a base (2) via a bearing seat, a filtering mechanism (3) is arranged on the top of the base (2), a fixing ring (4) is arranged on the top of the filtering mechanism (3), a sealing cover (7) is arranged on the top of the casing (1), a motor (5) is fixedly connected to the top of the sealing cover (7), a driving mechanism (6) is arranged on the bottom of the motor (5), a liquid inlet pipe (8) is connected to the top of the sealing cover (7), a liquid outlet pipe (9) is connected to one side of the casing (1), and the filtering mechanism (3) is arranged on the top of the sealing cover (7). (3) comprises a connecting plate (301), the connecting plate (301) is located above the base (2), the top of the connecting plate (301) is fixedly connected to a filter screen (302), the top of the filter screen (302) is fixedly connected to a connecting ring (303), the inner cavity of the connecting plate (301) is threadedly connected to a connecting bolt (304), the bottom of the connecting plate (301) is fixedly connected to a cross block (12), the top of the base (2) is provided with a cross groove (13), and the outer side of the cross block (12) is slidably connected to the inner wall of the cross groove (13).

2. The centrifuge filter device according to claim 1, characterized in that: The top of the connecting ring (303) is fixedly connected to an auxiliary plate (10), and the inner cavity of the auxiliary plate (10) is threadedly connected to an auxiliary bolt (11).

3. The centrifuge filter device according to claim 1, characterized in that: The driving mechanism (6) comprises a fixing seat (601), the inner cavity of the fixing seat (601) is clamped with a rotating rod (602), the inner cavity of the rotating rod (602) is threadedly connected to a fixing bolt (603), and the outer side of the fixing bolt (603) is threadedly connected to a fixing nut (604).

4. The centrifuge filter device according to claim 3, characterized in that: The outer side of the rotating rod (602) is fixedly connected to a limiting block (14), and the outer side of the limiting block (14) is slidably connected to the inner wall of the fixing seat (601).

5. The centrifuge filter device according to claim 1, characterized in that: The outer side of the fixing ring (4) is fixedly connected with a slider (15), the inner wall of the housing (1) is fixedly connected with an annular slide rail (16), and the outer side of the slider (15) is slidably connected with the inner wall of the annular slide rail (16).

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