Hydraulic oil circulating filtering device for double-cylinder hydraulic machine

By introducing a screening plate and a filter plate into the hydraulic oil circulation filtration device, three-stage filtration of hydraulic oil is achieved, solving the problem of low efficiency in existing devices and improving work efficiency and adaptability.

CN224040272UActive Publication Date: 2026-03-27JIANGSU LONGXU HEAVY IND TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing hydraulic oil circulation and filtration devices of dual-cylinder hydraulic presses have a simple structure, which leads to the hydraulic oil needing to be filtered repeatedly, reducing work efficiency and increasing the burden on workers.

Method used

A hydraulic oil circulation filtration device for a dual-cylinder hydraulic press was designed, comprising a screening plate, a first filter plate, and a second filter plate. It achieves three-stage filtration through rotation and vibration. The screening plate and the filter plate have different pore sizes, which improves the filtration efficiency, and the discharge cylinder facilitates material removal.

Benefits of technology

This system achieves efficient three-stage filtration of hydraulic oil, improving work efficiency, reducing the number of repeated filtrations, reducing the workload of workers, and enhancing the adaptability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model belongs to the field of hydraulic oil, and particularly relates to a hydraulic oil circulating filtering device for a double-cylinder hydraulic machine, which comprises a filtering device main body, a first connecting ring is arranged on the inner wall of the filtering device main body, and a rotating ring is arranged in the first connecting ring; according to the hydraulic oil circulating filtering device for the double-cylinder hydraulic machine, hydraulic oil needing to be screened is poured into the filtering device body, the hydraulic oil is filtered through the screening plate, the first filtering plate and the second filtering plate, and the screening plate is different from the first filtering plate and the second filtering plate in aperture, so that the working efficiency of hydraulic oil screening can be improved; the hydraulic oil screening and filtering device solves the problems that a common screening and filtering device is simple in structure, hydraulic oil needs to be repeatedly filtered for multiple times due to the fact that the hydraulic oil can only be singly filtered when being screened, the working efficiency of hydraulic oil screening is reduced, and the screening workload of workers is increased. And the efficiency of the hydraulic oil circulating filtering device for the double-cylinder hydraulic machine is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil processing field, concretely is a kind of hydraulic oil circulation filtering device for double-cylinder hydraulic press. BACKGROUND

[0002] Hydraulic oil is the hydraulic medium used in hydraulic system using liquid pressure energy, plays the role of energy transmission, antiwear, system lubrication, corrosion prevention, rust prevention, cooling etc. in hydraulic system. For hydraulic oil, first of all, it should meet the requirements of liquid viscosity of hydraulic device at working temperature and starting temperature, since the viscosity change of lubricating oil is directly related to hydraulic action, transmission efficiency and transmission accuracy, the viscosity-temperature performance and shear stability of oil should also meet the various demands proposed by different purposes.

[0003] And now hydraulic oil needs to be mixed together by various raw materials when producing, and the mixed raw materials inside need to be screened and filtered, and the general screening and filtering device has simple structure, can only be filtered single when screening hydraulic oil, so that it needs to be repeatedly filtered multiple times, reduces the working efficiency of screening hydraulic oil, and increases the working burden of screening by workers, cannot meet the use requirement of hydraulic oil screening.

[0004] Therefore, aiming at the above problems, a hydraulic oil circulation filtering device for double-cylinder hydraulic press is provided. CONTENT OF UTILITY MODEL

[0005] In order to make up for the deficiency of prior art, solve the problem of low use performance of general hydraulic oil circulation filtering device for double-cylinder hydraulic press, the utility model provides a kind of hydraulic oil circulation filtering device for double-cylinder hydraulic press.

[0006] The technical scheme that the utility model solves its technical problem is: the utility model discloses a kind of hydraulic oil circulation filtering device for double-cylinder hydraulic press, including filter device main part, first connecting ring is installed in the inner wall of filter device main part, rotating ring is installed in the inside of first connecting ring, screening plate is installed in the inside of rotating ring, sealing cover is installed at the top of filter device main part, rotating motor is installed at the top of sealing cover, the output shaft of rotating motor is movably connected with connecting shaft by coupling, the bottom of connecting shaft passes through the top of sealing cover and extends to the bottom of sealing cover, rotating shaft is installed at the bottom of connecting shaft, and the bottom of rotating shaft is connected with the top of rotating ring.

[0007] The outer wall of the filter device body is provided with a through hole, the inner wall of the through hole is provided with a telescopic rod, the bottom end of the telescopic rod is provided with a telescopic plate, the outer wall of the filter device body is provided with a vibration motor, the output shaft of the vibration motor is movably connected with the bottom of the telescopic plate through a shaft coupling, the inside of the telescopic plate is provided with a first filter plate, the bottom of the first filter plate is provided with a connecting column, the bottom end of the connecting column is provided with a second filter plate, the inner wall of the filter device body is provided with a second connecting ring, and the second connecting ring is connected with the second filter plate.

[0008] Preferably, the outer wall of the filter device body is provided with a sealing ring which is matched with the sealing cover in shape and size, and the sealing cover and the sealing ring are clamped and connected.

[0009] Preferably, the top of the sealing cover is provided with a feeding pipe, the bottom end of the feeding pipe penetrates through the top of the sealing cover and extends to the bottom of the sealing cover, and the feeding pipe is provided with two feeding pipes which are arranged on the two sides of the sealing cover.

[0010] Preferably, the first connecting ring and the rotating ring are matched with each other in shape and size, and the rotating ring is rotatably connected with the filter device body through the first connecting ring.

[0011] Preferably, the through hole is provided with four through holes, the outer wall of the telescopic plate penetrates through the inner wall of the filter device body and extends to the outer wall of the filter device body through the four through holes, and the telescopic plate moves up and down in the through hole.

[0012] Preferably, the second filter plate and the second connecting ring are matched with each other in shape and size, and the second filter plate is rotatably connected with the inside of the filter device body through the second connecting ring.

[0013] Preferably, the discharging cylinder is located at the bottom of the second filter plate, the center line of the discharging cylinder is coincident with the center line of the second filter plate, the discharging cylinder and the adapter ring are matched with each other in shape and size, and the discharging cylinder is clamped and connected with the filter device body through the adapter ring.

[0014] Preferably, the top and the bottom of the first filter plate are provided with anti-falling rings, and the height of the two anti-falling rings and the first filter plate is greater than the height of the through hole.

[0015] The utility model discloses the beneficial effect lies in:

[0016] 1. The utility model discloses a filter device main part's inside is provided with the screening plate and first filter board, second filter board, pours into the inside of filter device main part can carry out three times screening to hydraulic oil, realizes the hydraulic oil circulation filter device for the double -cylinder hydraulic press, pours into the inside of filter device main part to the hydraulic oil that needs screening, utilizes screening plate and first filter board, second filter board to filter hydraulic oil, and the aperture of screening plate and first filter board, second filter board is different, can improve the work efficiency of hydraulic oil screening, solves the general screening filter device simple structure, when hydraulic oil is screened, can only carry out single filtration to it, leads to needing to carry out repeated filtration to hydraulic oil many times, reduces the work efficiency of hydraulic oil screening, and increases the screening work burden of staff, improves the efficiency of the hydraulic oil circulation filter device for the double -cylinder hydraulic press.

[0017] 2. The utility model discloses a filter device main part's bottom is dismantled down conveniently to the discharging cylinder from the filter device main part, is convenient for taking down the hydraulic oil that screens well, realizes the hydraulic oil circulation filter device for the double -cylinder hydraulic press has the function that is convenient for taking material, solves the general hydraulic oil screening device simple structure and the problem of low work efficiency, improves the adaptability of the hydraulic oil circulation filter device for the double -cylinder hydraulic press. ACCURACY OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of embodiment;

[0020] Figure 2 It is the internal structure schematic diagram of embodiment;

[0021] Figure 3 It is the inside sectional view of embodiment;

[0022] Figure 4 It is the top view of embodiment;

[0023] Figure 5 It is the bottom view of embodiment.

[0024] In the figure: 1, rotating motor; 2, feed pipe; 3, sealing cover; 4, filter device main body; 5, through hole; 6, telescopic rod; 7, telescopic plate; 8, vibration motor; 9, sealing ring; 10, connecting shaft; 11, rotating shaft; 12, screening plate; 13, first connecting ring; 14, first filter plate; 15, anti-falling ring; 16, second filter plate; 17, second connecting ring; 18, discharge cylinder; 19, connecting column; 20, connecting ring; 21, rotating ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] EMBODIMENT

[0027] Please refer to Figures 1-5 As shown in the figure, a hydraulic oil circulating filter device for a double-cylinder hydraulic machine, comprising a filter device main body 4, a first connecting ring 13 is installed on the inner wall of the filter device main body 4, a rotating ring 21 is installed in the first connecting ring 13, a screening plate 12 is installed in the rotating ring 21, a sealing cover 3 is installed on the top of the filter device main body 4, a rotating motor 1 is installed on the top of the sealing cover 3, a connecting shaft 10 is movably connected to the output shaft of the rotating motor 1 through a shaft coupling, the bottom end of the connecting shaft 10 penetrates through the top of the sealing cover 3 and extends to the bottom of the sealing cover 3, a rotating shaft 11 is installed at the bottom end of the connecting shaft 10, and the bottom end of the rotating shaft 11 is movably connected to the top of the rotating ring 21.

[0028] A through hole 5 is formed in the outer wall of the filter device main body 4, a telescopic rod 6 is installed on the inner wall of the through hole 5, a telescopic plate 7 is installed at the bottom end of the telescopic rod 6, a vibration motor 8 is installed on the outer wall of the filter device main body 4, the output shaft of the vibration motor 8 is movably connected to the bottom of the telescopic plate 7 through a shaft coupling, a first filter plate 14 is installed in the telescopic plate 7, a connecting column 19 is installed at the bottom of the first filter plate 14, a second filter plate 16 is installed at the bottom end of the connecting column 19, a second connecting ring 17 is installed on the inner wall of the filter device main body 4, and the second connecting ring 17 is movably connected to the second filter plate 16.

[0029] When working, hydraulic oil is poured into the inside of the filter device body 4 through the feeding pipe 2, and the rotating motor 1 and the vibration motor 8 are started at the same time. The rotating motor 1 drives the connecting shaft 10 to drive the rotating shaft 11 to rotate, drives the screening plate 12 to make the rotating ring 21 rotate in the inside of the first connecting ring 13, and makes the hydraulic oil rotate and screen on the surface of the screening plate 12. The screened hydraulic oil raw material falls downward to the first filter plate 14 through the screening plate 12. The vibration motor 8 drives the expansion plate 7 to move up and down. The expansion plate 7 can vibrate up and down in the inside of the through hole 5 through the expansion rod 6 installed at the top and the bottom. The hydraulic oil can be screened twice through the first filter plate 14 and the second filter plate 16. The screened hydraulic oil falls downward to the inside of the discharging cylinder 18, and finally the discharging cylinder 18 is taken down through the connecting ring 20, so as to complete the work.

[0030] In the embodiment, the outer wall of the filter device body 4 is provided with a sealing ring 9 which is the same in shape and size as the sealing cover 3, and the sealing cover 3 and the sealing ring 9 are clamped and connected. The sealing ring 9 can reinforce the sealing between the sealing cover 3 and the filter device body 4.

[0031] In the embodiment, the top of the sealing cover 3 is provided with the feeding pipe 2, the bottom end of the feeding pipe 2 penetrates the top of the sealing cover 3 and extends to the bottom of the sealing cover 3, and the feeding pipe 2 is provided with two feeding pipes 2 which are arranged on the two sides of the sealing cover 3 respectively. The two feeding pipes 2 can accelerate the speed of discharging the hydraulic oil.

[0032] In the embodiment, the shape and size of the first connecting ring 13 are the same as those of the rotating ring 21, the rotating ring 21 is rotatably connected with the filter device body 4 through the first connecting ring 13, and the first connecting ring 13 can drive the rotating ring 21 to rotate and connect with the inner wall of the filter device body 4.

[0033] In the embodiment, the through hole 5 is provided with four through holes 5, the outer wall of the expansion plate 7 penetrates the inner wall of the filter device body 4 and extends to the outer wall of the filter device body 4 through the four through holes 5, and the expansion plate 7 moves up and down in the inside of the through hole 5. The through hole 5 can make the expansion plate 7 vibrate up and down in the inside of the filter device body 4, and the first filter plate 14 and the second filter plate 16 can vibrate and discharge the hydraulic oil.

[0034] In the embodiment, the shape and size of the second filter plate 16 and the shape and size of the second connecting ring 17 are matched with each other, and the second filter plate 16 is rotatably connected with the inside of the filter device body 4 through the second connecting ring 17. By arranging the screening plate 12 and the first filter plate 14 and the second filter plate 16 in the inside of the filter device body 4, the hydraulic oil poured into the inside of the filter device body 4 can be screened three times, and the hydraulic oil circulating filter device for the double-cylinder hydraulic machine is realized. The hydraulic oil to be screened is poured into the inside of the filter device body 4, and the screening plate 12 and the first filter plate 14 and the second filter plate 16 are used to filter the hydraulic oil, and the pore sizes of the screening plate 12 and the first filter plate 14 and the second filter plate 16 are different, so that the working efficiency of screening the hydraulic oil can be improved. The general screening filter device has simple structure, and only single filtration can be performed on the hydraulic oil during screening, which leads to the need for repeated filtration of the hydraulic oil multiple times, reduces the working efficiency of screening the hydraulic oil, and increases the screening work burden of the workers. The efficiency of the hydraulic oil circulating filter device for the double-cylinder hydraulic machine is improved.

[0035] In the embodiment, the discharge cylinder 18 is located at the bottom of the second filter plate 16, the center line of the discharge cylinder 18 coincides with the center line of the second filter plate 16, the shape and size of the discharge cylinder 18 and the shape and size of the connecting ring 20 are matched with each other, and the discharge cylinder 18 is clamped and connected with the filter device body 4 through the connecting ring 20. By arranging the discharge cylinder 18 and the connecting ring 20, the discharge cylinder 18 can be conveniently disassembled from the bottom of the filter device body 4, the screened hydraulic oil can be conveniently taken out, the hydraulic oil circulating filter device for the double-cylinder hydraulic machine has the function of facilitating material taking, the general hydraulic oil screening device has simple structure and low working efficiency, and the adaptability of the hydraulic oil circulating filter device for the double-cylinder hydraulic machine is improved.

[0036] In the embodiment, the top and bottom of the first filter plate 14 are provided with anti-falling rings 15, and the height of the two anti-falling rings 15 and the first filter plate 14 connected with the height of the through hole 5 is greater than the height of the through hole 5. The two anti-falling rings 15 are arranged to prevent the hydraulic oil on the first filter plate 14 and the second filter plate 16 from falling outward through the through hole 5 when vibrating.

[0037] In conclusion, the hydraulic oil circulating filtering device for double-cylinder hydraulic machine pours the hydraulic oil needing to be screened into the inside of the filtering device main body 4, filters the hydraulic oil by using the screening plate 12 and the first filtering plate 14 and the second filtering plate 16, and the pore diameters of the screening plate 12 and the first filtering plate 14 and the second filtering plate 16 are different, so that the working efficiency of screening the hydraulic oil can be improved, and the problem that the general screening filtering device has simple structure, can only perform single filtering on the hydraulic oil during screening, needs to repeatedly filter the hydraulic oil for multiple times, reduces the working efficiency of screening the hydraulic oil, and increases the screening work burden of workers is solved, and the efficiency of the hydraulic oil circulating filtering device for double-cylinder hydraulic machine is improved.

[0038] In the description of the present specification, the description referring to the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A hydraulic oil circulation filter device for a double cylinder hydraulic press, characterized by: The utility model provides a filter device, including filter device body (4), the inner wall of filter device body (4) is installed with first connecting ring (13), the inside of first connecting ring (13) is installed with rotating ring (21), the inside of rotating ring (21) is installed with screen plate (12), the top of filter device body (4) is installed with sealing cover (3), the top of sealing cover (3) is installed with rotating motor (1), the output shaft of rotating motor (1) is connected with connecting shaft (10) through coupling swing, the bottom of connecting shaft (10) penetrates the top of sealing cover (3) and extends to the bottom of sealing cover (3), the bottom of connecting shaft (10) is installed with rotating shaft (11), and the bottom of rotating shaft (11) is connected with the top of rotating ring (21), The outer wall of filter device body (4) is provided with through hole (5), the inner wall of through hole (5) is installed with telescopic rod (6), the bottom of telescopic rod (6) is installed with telescopic plate (7), the outer wall of filter device body (4) is installed with vibration motor (8), the output shaft of vibration motor (8) is swing connected with the bottom of telescopic plate (7) through coupling, the inside of telescopic plate (7) is installed with first filter plate (14), the bottom of first filter plate (14) is installed with connecting column (19), the bottom of connecting column (19) is installed with second filter plate (16), the inner wall of filter device body (4) is installed with second connecting ring (17), and second connecting ring (17) is connected with second filter plate (16).

2. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The outer wall of filter device body (4) is installed with sealing ring (9) that is mutually consistent with the shape and size of sealing cover (3), and sealing cover (3) and sealing ring (9) are clampedly connected.

3. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The top of sealing cover (3) is installed with feeding pipe (2), the bottom of feeding pipe (2) penetrates the top of sealing cover (3) and extends to the bottom of sealing cover (3), and feeding pipe (2) is provided with two feeding pipes (2) arranged on the two sides of sealing cover (3) respectively.

4. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The shape and size of first connecting ring (13) and the shape and size of rotating ring (21) are mutually consistent, and rotating ring (21) is rotatably connected with filter device body (4) through first connecting ring (13).

5. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: Four through holes (5) are arranged, the outer wall of telescopic plate (7) penetrates the inner wall of filter device body (4) and extends to the outer wall of filter device body (4) through the four through holes (5), and telescopic plate (7) moves up and down in the inside of through hole (5).

6. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The shape and size of second filter plate (16) and the shape and size of second connecting ring (17) are mutually consistent, and second filter plate (16) is rotatably connected with the inside of filter device body (4) through second connecting ring (17).

7. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The center line of discharge cylinder (18) coincides with the center line of second filter plate (16), the shape and size of discharge cylinder (18) and the shape and size of connecting ring (20) are mutually consistent, and discharge cylinder (18) is clampedly connected with filter device body (4) through connecting ring (20).

8. The hydraulic oil circulation filter device for a double cylinder hydraulic press according to claim 1, characterized in that: The top and bottom of the first filter plate (14) are provided with anti-falling rings (15), and the height of the two anti-falling rings (15) and the first filter plate (14) is greater than the height of the through hole (5).