Filter press convenient to maintain

By arranging a lubrication mechanism and a movable reset mechanism on the hydraulic cylinder of the filter press, the problems of hydraulic cylinder wear, heavy equipment weight, and inconvenient position replacement are solved, and convenient maintenance and position replacement of the equipment are achieved.

CN223392967UActive Publication Date: 2025-09-30YOUMEI NEW MATERIALS (HEBEI) CO LTD
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Patent Information

Application Number
CN202520023562.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-09-30
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The hydraulic push rod of the existing filter press hydraulic cylinder is easy to wear and difficult to maintain. The overall weight is large and it is not easy to change the use position.

Method used

A lubrication mechanism is set on the outside of the telescopic shaft of the hydraulic cylinder, and a push pin and a ramp block are set on the push plate for automatic lubrication. Combined with the mobile reset mechanism, the bidirectional screw is driven by an electric motor to achieve movement and stability of the equipment.

Benefits of technology

It reduces the wear of the hydraulic cylinder telescopic shaft, facilitates daily maintenance, and realizes convenient replacement and stable use position of equipment through the mobile reset mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of filter presses, and particularly relates to a filter press convenient to maintain, which comprises a support frame, two vertical plates are fixedly connected to the upper end of the support frame, a plurality of filter pressing plates are slidably connected to the inner side of the support frame, the adjacent filter pressing plates are in contact, the filter pressing plates are in contact with the vertical plate on the left side, and the vertical plate on the right side is in contact with the vertical plate on the right side. A hydraulic cylinder is fixedly mounted on the vertical plate on the right side, a telescopic shaft of the hydraulic cylinder penetrates through the vertical plate and is in sliding connection with the vertical plate, a push plate is fixedly connected to the tail end of the telescopic shaft, and the push plate is in contact with the filter pressing plate. The lubricating mechanism is arranged on the outer side of the telescopic shaft of the hydraulic cylinder, and the lifting pin is arranged on the push plate at the tail end of the telescopic shaft, so that after the hydraulic cylinder drives the push plate to reset, the lifting pin on the push plate can be transversely inserted into the ring sleeve, and then the oil storage sponge is extruded through the inclined surface block, so that lubricating oil is released to lubricate the telescopic shaft; therefore, abrasion of the telescopic shaft is reduced, and daily maintenance is facilitated.
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Description

Technical Field

[0001] The utility model relates to the field of filter presses, in particular to a filter press which is easy to maintain. Background Art

[0002] Filter press is a sewage filtration device commonly used in industrial production. It is an important equipment for achieving solid-liquid separation of sewage. It is usually divided into chamber filter press, plate and frame filter press, belt filter press, vertical filter press, diaphragm filter press, etc.

[0003] After searching, a utility model patent with authorization announcement number CN221385343U discloses a filter press that is easy to maintain, including a frame, a hydraulic push rod is fixedly installed on the top of the frame, a lifting plate is fixedly connected to the output end of the hydraulic push rod, a servo motor is fixedly installed on the side wall of the lifting plate, a threaded rotating shaft is fixedly connected to the output end of the servo motor, and a movable sleeve connected through a threaded transmission is provided on the outside of the threaded rotating shaft.

[0004] However, when using the existing filter press, the hydraulic cylinder's hydraulic push rod needs to be repeatedly extended and retracted, which is easy to wear and inconvenient to maintain. At the same time, the overall weight is large, making it difficult to change the position of use later. Therefore, it is necessary to improve it. Utility Model Content

[0005] The purpose of the utility model is to provide a filter press that is easy to maintain, which solves the problem that the hydraulic push rod of the hydraulic cylinder of the existing filter press is easily worn and inconvenient to maintain due to the need to repeatedly extend and retract during use. At the same time, it solves the problem that the overall weight is large and it is inconvenient to change the position for use later.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a filter press that is easy to maintain, comprising a support frame, wherein the upper end of the support frame is fixedly connected to two vertical plates, and a plurality of filter press plates are slidably connected to the inner side of the support frame, and adjacent filter press plates are in contact with each other, and the filter press plates are in contact with the left vertical plate. A hydraulic cylinder is fixedly installed on the right vertical plate, and the telescopic shaft of the hydraulic cylinder passes through the vertical plate and is slidably connected to the vertical plate. The end of the telescopic shaft is fixedly connected to a push plate, and the push plate is in contact with the filter press plate. A push pin is fixedly connected to the push plate, and a lubrication mechanism is provided on the right vertical plate. The bottom of the support frame is fixedly connected to a support leg, and the bottom of the support leg is provided with a movable reset mechanism.

[0007] Preferably, a guide column is fixedly connected between the two vertical plates, and the guide column is slidably connected to the filter press plate. The arrangement of the guide column has a guiding effect on the filter press plate.

[0008] Preferably, the lubrication mechanism includes a ring sleeve fixedly connected to the vertical plate and slidably connected to the outside of the telescopic shaft of the hydraulic cylinder. A ramp block and an oil storage sponge are slidably connected to the interior of the ring sleeve, and the ramp block and the oil storage sponge are in contact. A guide plate is fixedly connected to the interior of the ring sleeve and above the ramp block. A rubber plug is slidably connected to the top of the ring sleeve. The inner ring wall of the ring sleeve is provided with an oil outlet hole, and the position of the oil outlet hole corresponds to the oil storage sponge. The provision of the lubrication mechanism provides automatic lubrication for the telescopic shaft of the hydraulic cylinder.

[0009] Preferably, the inclined surface block is fixedly connected to a guide block, the guide block is slidably connected to the inside of the annular sleeve, the inside of the annular sleeve is slidably connected to a guide rod, the guide rod passes through the guide block and is slidably connected to the guide block, the top of the guide rod is fixedly connected to a limit block, the limit block contacts the guide block, and a second spring is sleeved on the outside of the rod body of the guide rod, one end of the second spring is fixedly connected to the guide block, and the other end of the second spring is fixedly connected to the inner surface of the annular sleeve. The arrangement of the guide block and the guide rod has a guiding effect on the forced sliding of the inclined surface block.

[0010] Preferably, the movable reset mechanism includes a mechanism fixedly connected to a hollow shell, a motor fixedly mounted on the right side of the hollow shell, an output shaft of the motor passing through the hollow shell and connected to the hollow shell via a bearing, a bidirectional screw fixedly connected to the end of the output shaft, and the other end of the bidirectional screw connected to the hollow shell via a bearing, a movable block threadedly connected to the outer side of the rod body of the bidirectional screw, the top of the movable block contacts the inner surface of the hollow shell, a guide sleeve fixedly connected to the inner bottom of the hollow shell, a guide seat slidably connected to the inner side of the guide sleeve, the guide seat passing through the guide sleeve, a fixed plate fixedly connected to the top of the guide seat, a bevel seat fixedly connected to the upper end of the fixed plate, and the position of the bevel seat corresponds to that of the movable block, and a roller is mounted on the bottom of the fixed plate. The provision of the movable reset mechanism facilitates the overall replacement of the use position.

[0011] Preferably, a spring 1 is provided inside the guide sleeve, one end of the spring 1 is fixedly connected to the guide seat, and the other end of the spring 1 is fixedly connected to the inner surface of the guide sleeve. By providing the spring 1, a reaction force can act on the fixed plate through the guide seat.

[0012] Preferably, a guide frame is fixedly connected to the inner top of the hollow shell, and the guide frame passes through the moving block and is slidably connected to the moving block. The arrangement of the guide frame has a guiding effect on the lateral movement of the moving block.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model provides a lubrication mechanism on the outside of the telescopic shaft of the hydraulic cylinder and a push pin on the push plate at the end of the telescopic shaft. When the hydraulic cylinder drives the push plate to reset, the push pin on the push plate will be inserted into the ring sleeve laterally, and then the oil storage sponge will be squeezed by the inclined block to release the lubricating oil to lubricate the telescopic shaft, thereby reducing the wear of the telescopic shaft and facilitating daily maintenance.

[0015] 2. The utility model sets a movable reset mechanism at the bottom of the filter press, in which the two movable blocks can move toward or away from each other by driving the bidirectional screw to rotate through the motor. When the movable blocks move toward each other, they will give the inclined seat a downward thrust, so that the roller at the bottom of the inclined seat extends out of the hollow shell, thereby making the whole body mobile and facilitating the change of the use position. When the motor is reversed, the roller retracts the hollow shell, and the overall stability will not be affected. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 For the utility model Figure 1 Schematic diagram of the local structure;

[0018] Figure 3 For the utility model Figure 1 Front cross-sectional view of

[0019] Figure 4 For the utility model Figure 3 A magnified view of the structure of part A.

[0020] In the figure: 1. Support frame; 2. Vertical plate; 3. Filter press plate; 4. Guide column; 5. Hydraulic cylinder; 6. Push plate; 61. Ejector pin; 7. Lubrication mechanism; 8. Support leg; 9. Movable reset mechanism; 91. Hollow shell; 92. Motor; 93. Bidirectional screw; 94. Moving block; 95. Guide sleeve; 96. Guide seat; 97. Fixed plate; 98. Inclined seat; 99. Roller; 910. Spring 1; 911. Guide frame; 71. Ring sleeve; 72. Inclined block; 73. Oil storage sponge; 74. Guide block; 75. Guide rod; 76. Limit block; 77. Spring 2; 78. Oil outlet; 79. Guide plate; 710. Rubber plug. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 A filter press that is easy to maintain includes a support frame 1. Two vertical plates 2 are fixedly connected to the upper end of the support frame 1. A plurality of filter press plates 3 are slidably connected to the inner side of the support frame 1. Adjacent filter press plates 3 are in contact with each other, and the filter press plates 3 are in contact with the left vertical plate 2. A guide column 4 is fixedly connected between the two vertical plates 2, and the guide column 4 is slidably connected to the filter press plates 3. The arrangement of the guide column 4 provides a guide for the filter press plates 3. A hydraulic cylinder 5 is fixedly mounted on the right vertical plate 2. The telescopic shaft of the hydraulic cylinder 5 passes through the vertical plate 2 and is slidably connected to the vertical plate 2. A push plate 6 is fixedly connected to the end of the telescopic shaft. The push plate 6 is in contact with the filter press plates 3, and a push pin 61 is fixedly connected to the push plate 6.

[0023] See also Figure 3-4 A lubrication mechanism 7 is provided on the right vertical plate 2. Through the setting of the lubrication mechanism 7, the telescopic shaft of the hydraulic cylinder 5 has the function of automatic lubrication. The lubrication mechanism 7 includes a ring sleeve 71 fixedly connected to the vertical plate 2, and the ring sleeve 71 is slidably sleeved on the outside of the telescopic shaft of the hydraulic cylinder 5. The interior of the ring sleeve 71 is slidably connected with an inclined block 72 and an oil storage sponge 73, and the inclined block 72 and the oil storage sponge 73 are in contact. A guide plate 79 is fixedly connected to the interior of the ring sleeve 71 and located above the inclined block 72. A rubber plug 710 is slidably connected to the top of the ring sleeve 71. An oil outlet hole 78 is opened on the inner ring wall of the ring sleeve 71, and the position of the oil outlet hole 78 corresponds to the oil storage sponge 73. A guide block 74 is fixedly connected to the inclined surface block 72, and the guide block 74 is slidably connected to the interior of the ring sleeve 71. A guide rod 75 is slidably connected to the interior of the ring sleeve 71. The guide rod 75 passes through the guide block 74 and is slidably connected to the guide block 74. The top of the guide rod 75 is fixedly connected to a limit block 76, which contacts the guide block 74. A second spring 77 is sleeved on the outside of the rod body of the guide rod 75. One end of the second spring 77 is fixedly connected to the guide block 74, and the other end of the second spring 77 is fixedly connected to the inner surface of the ring sleeve 71. The arrangement of the guide block 74 and the guide rod 75 has a guiding effect on the forced sliding of the inclined surface block 72.

[0024] See also Figure 1-3The bottom of the support frame 1 is fixedly connected to a support leg 8, and a mobile reset mechanism 9 is provided at the bottom of the support leg 8. The setting of the mobile reset mechanism 9 facilitates the overall replacement of the use position. The mobile reset mechanism 9 includes a fixed connection to a hollow shell 91, and a motor 92 is fixedly installed on the right side of the hollow shell 91. The output shaft of the motor 92 passes through the hollow shell 91 and is connected to the hollow shell 91 through a bearing. The end of the output shaft is fixedly connected to a bidirectional screw 93, and the other end of the bidirectional screw 93 is connected to the hollow shell 91 through a bearing. The outer side of the bidirectional screw 93 is threadedly connected to a movable block 94. The top of movable block 94 contacts the inner surface of hollow shell 91. A guide sleeve 95 is fixedly connected to the inner bottom of hollow shell 91. A guide seat 96 is slidably connected to the inner side of guide sleeve 95. Guide seat 96 extends through guide sleeve 95. A fixed plate 97 is fixedly connected to the top of guide seat 96. The upper end of fixed plate 97 is fixedly connected to a ramp seat 98, and the position of ramp seat 98 corresponds to that of movable block 94. A roller 99 is mounted on the bottom of fixed plate 97. A spring 910 is installed inside guide sleeve 95. One end of spring 910 is fixedly connected to guide seat 96, and the other end of spring 910 is fixedly connected to the inner surface of guide sleeve 95. The provision of spring 910 allows a reaction force to act on fixed plate 97 through guide seat 96. A guide frame 911 is fixedly connected to the inner top of the hollow shell 91, and the guide frame 911 passes through the moving block 94 and is slidably connected to the moving block 94. The arrangement of the guide frame 911 has a guiding effect on the lateral movement of the moving block 94.

[0025] The specific implementation process of the present utility model is as follows: when in use, the hydraulic cylinder 5 pushes the push plate 6 to filter the filter plate 3, and when the hydraulic cylinder 5 drives the push plate 6 to reset, the push pin 61 on the push plate 6 will be inserted horizontally into the ring sleeve 71, and then squeeze the oil storage sponge 73 through the inclined block 72, thereby releasing the lubricating oil to lubricate the telescopic shaft of the hydraulic cylinder 5, thereby reducing the wear of the telescopic shaft and facilitating daily maintenance. In addition, the bidirectional screw 93 is driven to rotate by the motor 92, so that the two moving blocks 94 can move toward or away from each other. When the moving blocks 94 move toward each other, they will give the inclined seat 98 a downward thrust, so that the roller 99 at the bottom of the inclined seat 98 extends out of the hollow shell 91, thereby making the whole body mobile and facilitating the change of use position. When the motor 92 is reversed, the roller 99 retracts the hollow shell 91, and the overall stability will not be affected.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A filter press easy to maintain, comprising a support frame (1), characterized in that: The upper end of the support frame (1) is fixedly connected to two vertical plates (2), and the inner side of the support frame (1) is slidably connected to a plurality of filter press plates (3), and the adjacent filter press plates (3) are in contact with each other. The filter press plates (3) are in contact with the left vertical plate (2), and a hydraulic cylinder (5) is fixedly installed on the right vertical plate (2). The telescopic shaft of the hydraulic cylinder (5) passes through the vertical plate (2) and is slidably connected to the vertical plate (2). The end of the telescopic shaft is fixedly connected to a push plate (6), and the push plate (6) is in contact with the filter press plate (3). A top pin (61) is fixedly connected to the push plate (6). A lubrication mechanism (7) is provided on the right vertical plate (2). The bottom of the support frame (1) is fixedly connected to a support leg (8), and a movable reset mechanism (9) is provided at the bottom of the support leg (8).

2. The filter press easy to maintain according to claim 1, characterized in that: A guide column (4) is fixedly connected between the two vertical plates (2), and the guide column (4) is slidably connected to the filter press plate (3).

3. The filter press easy to maintain according to claim 1, characterized in that: The lubricating mechanism (7) includes a ring sleeve (71) fixedly connected to the vertical plate (2), and the ring sleeve (71) is slidably sleeved on the outside of the telescopic shaft of the hydraulic cylinder (5), the interior of the ring sleeve (71) is slidably connected to a ramp block (72) and an oil storage sponge (73), and the ramp block (72) and the oil storage sponge (73) are in contact, the interior of the ring sleeve (71) and above the ramp block (72) are fixedly connected to a guide plate (79), the top of the ring sleeve (71) is slidably connected to a rubber plug (710), and the inner ring wall of the ring sleeve (71) is provided with an oil outlet hole (78), and the position of the oil outlet hole (78) corresponds to the oil storage sponge (73).

4. The filter press easy to maintain according to claim 3, characterized in that: The inclined surface block (72) is fixedly connected to a guide block (74), the guide block (74) is slidably connected to the inside of the ring sleeve (71), the inside of the ring sleeve (71) is slidably connected to a guide rod (75), the guide rod (75) passes through the guide block (74) and is slidably connected to the guide block (74), the top of the guide rod (75) is fixedly connected to a limit block (76), the limit block (76) is in contact with the guide block (74), and a spring (77) is provided on the outside of the rod body of the guide rod (75), one end of the spring (77) is fixedly connected to the guide block (74), and the other end of the spring (77) is fixedly connected to the inner surface of the ring sleeve (71).

5. The filter press easy to maintain according to claim 1, characterized in that: The movable reset mechanism (9) includes a member fixedly connected to a hollow shell (91), a motor (92) fixedly mounted on the right side of the hollow shell (91), an output shaft of the motor (92) passing through the hollow shell (91) and connected to the hollow shell (91) via a bearing, a bidirectional screw (93) fixedly connected to the end of the output shaft, and the other end of the bidirectional screw (93) connected to the hollow shell (91) via a bearing, a moving block (94) is connected to the outside of the rod body of the bidirectional screw (93) via a thread, and the top of the moving block (94) is fixedly connected to the hollow shell (91). The hollow shell (91) contacts the inner surface of the hollow shell (91), the inner bottom of the hollow shell (91) is fixedly connected to a guide sleeve (95), the inner side of the guide sleeve (95) is slidably connected to a guide seat (96), the guide seat (96) is arranged through the guide sleeve (95), the top of the guide seat (96) is fixedly connected to a fixed plate (97), the upper end of the fixed plate (97) is fixedly connected to a slope seat (98), and the position of the slope seat (98) corresponds to that of the moving block (94), and a roller (99) is installed at the bottom of the fixed plate (97).

6. The filter press easy to maintain according to claim 5, characterized in that: A spring 1 (910) is provided on the inner side of the guide sleeve (95), one end of the spring 1 (910) is fixedly connected to the guide seat (96), and the other end of the spring 1 (910) is fixedly connected to the inner surface of the guide sleeve (95).

7. The filter press easy to maintain according to claim 5, characterized in that: A guide frame (911) is fixedly connected to the inner top of the hollow shell (91), and the guide frame (911) passes through the moving block (94) and is slidably connected to the moving block (94).

Citation Information

Patent Citations

  • Filter press convenient to maintain

    CN221385343U