Filter plate buffer structure and filter press

Abstract

The utility model provides a filter plate buffer structure and a filter press, and relates to the technical field of filter presses, the filter plate buffer structure comprises a filter press frame, one side of the filter press frame is provided with a driving device, the filter press frame is internally provided with a plurality of filter plate devices, four ends of one sides of the plurality of filter plate devices are all provided with buffer devices I, and the buffer devices I are provided with buffer devices II. Buffer devices II are arranged at the two ends of the plurality of filter plate devices. According to the utility model, when two adjacent filter plates are in contact, except for buffering through a spring and a limiting sleeve, a buffer device II mounted in a mounting groove is in contact with one side of the support frame through a movable plate, and in the extrusion process, the buffer device II buffers through a torsion spring II, and when the movable plate rotates to a certain angle, the movable plate extrudes a connecting plate; the connecting plate is buffered by extruding the first torsion spring, and through the design of the second buffering device and the first buffering device, the buffering function is enhanced in the filtering work of the filter plate, and damage caused by rigid contact is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of filter presses, in particular to a filter plate buffer structure and a filter press. Background Art

[0002] A filter press is a mechanical device that uses a special filter medium to apply a certain pressure to an object so that liquid can permeate out. It is a commonly used solid-liquid separation device. It was applied to chemical production in the early 18th century and is still widely used in industries such as chemical industry, pharmaceuticals, metallurgy, dyes, food, brewing, ceramics, and environmental protection.

[0003] In the prior art, during the use of a filter press, there is a lack of an effective buffer mechanism on the filter plate. When the pressing plate moves to squeeze the filter plate and the plate frame, the filter plate may be damaged due to rigid contact. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems existing in the prior art.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A filter plate buffer structure and a filter press, comprising: a filter press frame, on one side of the filter press frame is provided a driving device, inside the filter press frame are provided a plurality of filter plate devices, at four ends on one side of the plurality of filter plate devices are provided buffer devices one, and at both ends of the plurality of filter plate devices are provided buffer devices two;

[0006] The buffer device one includes a spring, the other end of the spring is fixedly connected to a limit sleeve, and at one end of the limit sleeve is fixedly installed a limit ring;

[0007] The buffer device two includes a fixed sleeve, the bottom end of the fixed sleeve is sleeved with a movable sleeve through a bearing, at the bottom side inside the movable sleeve is fixedly installed a torsion spring one, on one side of the surface of the movable sleeve is fixedly connected to a connecting plate, at the bottom of one end of the connecting plate is embedded with a connecting sleeve through a bearing, the bottom end of the connecting sleeve is sleeved with a movable plate through a bearing, and inside the connecting sleeve is movably installed a torsion spring two.

[0008] As a preferred implementation manner, on both sides at one end of the filter press frame are fixedly installed extrusion plates, and on both sides of the surface of the filter press frame are fixedly installed slide rails.

[0009] As a preferred implementation manner, the driving device includes a hydraulic telescopic rod, one side of the hydraulic telescopic rod is fixedly installed on one side of the filter press frame, the output end of the hydraulic telescopic rod penetrates through the surface of the filter press frame and is installed with a push plate, on both sides of the push plate are installed pulley one, and the two pulley one are respectively movable on the surfaces of the two slide rails.

[0010] As a preferred embodiment, the filter plate device includes a filter plate. Support frames are fixedly connected to both sides of the filter plate. Two pulleys II are installed in the middle of the bottoms of the two support frames respectively, and the two pulleys II are movably installed on the surfaces of two slide rails respectively. Installation grooves are formed on one side of each of the two support frames, and movable grooves are formed at the four ends on one side of the filter plate.

[0011] As a preferred embodiment, one end of the spring is fixedly installed on one side of the inner cavity of the movable groove, and the surface of the limiting ring is movably embedded in the interior of the movable groove.

[0012] As a preferred embodiment, one end of the fixed sleeve is fixedly installed at the top of the inner cavity of the installation groove. One end of the torsion spring I is fixedly connected to the top side of the inner cavity of the installation groove. One end of the torsion spring II is fixedly connected to the bottom side of the connecting plate, and the other end of the torsion spring II is fixedly connected to the inside of one end of the movable plate.

[0013] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0014] 1. In the present utility model, in order to improve the protection and buffering functions of the filter plate, buffer devices II are provided on both sides of the filter plate, and buffer devices I are provided at the four ends on one side. During the filtering operation, an external controller is used to start the hydraulic expansion rod. The hydraulic expansion rod drives the push plate to run inside the filter press frame and push the filter plate. The push plate will first contact the surface of the limiting sleeve and, as it moves, squeeze the limiting sleeve to drive the filter plate to move. During the movement, the limiting sleeve squeezes the spring to buffer the rigid contact between the push plate and the filter plate. When two adjacent filter plates come into contact, in addition to being buffered by the spring and the limiting sleeve, the buffer device II installed in the installation groove will first contact the side of the support frame through the movable plate. During the extrusion process, it will be buffered by the torsion spring II. When the movable plate rotates to a certain angle, it will squeeze the connecting plate, and the connecting plate buffers by squeezing the torsion spring I. Finally, after the two filter plates drive the support frames on both sides to fit together, the buffer device II is completely retracted inside the installation groove. Through the design of the buffer device II and the buffer device I, during the filtering operation of the filter plate, the buffering function is enhanced, and the damage caused by rigid contact is reduced.

[0015] 2. In the present utility model, due to the torsion spring I, the torsion spring II and the spring installed in the buffer device II and the buffer device I, when the mud cake is unloaded after the filtering is completed and the hydraulic expansion rod drives the push plate to reset, each filter plate, under the reset action of the torsion spring I, the torsion spring II and the spring, is convenient for the separation of the filter plates, enabling the mud cake unloading operation to be carried out faster and improving the work efficiency. Description of the Drawings

[0016] Figure 1Schematic diagram of the main body of a filter plate buffer structure and a filter press provided by the present utility model;

[0017] Figure 2 Side view of a filter plate buffer structure and a filter press provided by the present utility model;

[0018] Figure 3 Structural diagram of the second buffer device of a filter plate buffer structure and a filter press provided by the present utility model;

[0019] Figure 4 Structural diagram of the second buffer device of a filter plate buffer structure and a filter press provided by the present utility model;

[0020] Figure 5 Structural diagram of the filter plate section of a filter plate buffer structure and a filter press provided by the present utility model;

[0021] Figure 6 A filter plate buffer structure and a filter press provided by the present utility model Figure 5 Enlarged view at position A.

[0022] Legend:

[0023] 1. Filter press frame; 101. Extrusion plate; 102. Slide rail; 2. Driving device; 201. Hydraulic telescopic rod; 202. Pusher plate; 203. Pulley 1; 3. First buffer device; 301. Spring; 302. Limit sleeve; 303. Limit ring; 4. Filter plate device; 401. Filter plate; 402. Support frame; 403. Pulley 2; 404. Installation groove; 405. Activity groove; 5. Second buffer device; 501. Fixed sleeve; 502. Movable sleeve; 503. First torsion spring; 504. Connecting plate; 505. Connecting sleeve; 506. Movable plate; 507. Second torsion spring. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-6 , the present utility model provides a technical solution: a filter plate buffer structure and a filter press, including: a filter press frame 1, a driving device 2 is arranged on one side of the filter press frame 1, a plurality of filter plate devices 4 are arranged inside the filter press frame 1, the four ends on one side of the plurality of filter plate devices 4 are respectively provided with a first buffer device 3, and both ends of the plurality of filter plate devices 4 are respectively provided with a second buffer device 5;

[0026] The first buffer device 3 includes a spring 301. The other end of the spring 301 is fixedly connected to a limit sleeve 302, and a limit ring 303 is fixedly installed at one end of the limit sleeve 302.

[0027] The second buffer device 5 includes a fixed sleeve 501. The bottom end of the fixed sleeve 501 is sleeved with a movable sleeve 502 through a bearing. A first torsion spring 503 is fixedly installed on the bottom side inside the movable sleeve 502. One side of the surface of the movable sleeve 502 is fixedly connected to a connecting plate 504. The bottom of one end of the connecting plate 504 is embedded with a connecting sleeve 505 through a bearing. The bottom end of the connecting sleeve 505 is sleeved with a movable plate 506 through a bearing. A second torsion spring 507 is movably installed inside the connecting sleeve 505.

[0028] Specifically: The filter press frame 1 is a common device in the prior art, and its specific structure will not be described in detail. The driving device 2 plays a driving role, and the first buffer device 3 and the second buffer device 5 cooperate to play a role in buffering and protecting the filter plate device 4.

[0029] In one embodiment, extrusion plates 101 are fixedly installed on both sides of one end of the filter press frame 1, and slide rails 102 are fixedly installed on both sides of the surface of the filter press frame 1.

[0030] Specifically: The extrusion plates 101 are used in cooperation with the second buffer devices 5 on both sides of the end of the filter plate 401, and the slide rails 102 cooperate with the first pulley 203 and the second pulley 403 to facilitate the movement of the push plate 202 and the filter plate 401.

[0031] In one embodiment, the driving device 2 includes a hydraulic telescopic rod 201. One side of the hydraulic telescopic rod 201 is fixedly installed on one side of the filter press frame 1. The output end of the hydraulic telescopic rod 201 penetrates through the surface of the filter press frame 1 and is installed with a push plate 202. The first pulleys 203 are installed on both sides of the push plate 202, and the two first pulleys 203 are respectively movably located on the surfaces of the two slide rails 102.

[0032] Specifically: After the hydraulic telescopic rod 201 is started, it drives the push plate 202 to move, and the push plate 202 slides on the surface of the slide rail 102 through the first pulley 203.

[0033] In one embodiment, the filter plate device 4 includes a filter plate 401. Support frames 402 are fixedly connected to both sides of the filter plate 401. The second pulleys 403 are installed in the middle of the bottoms of the two support frames 402, and the two second pulleys 403 are respectively movably installed on the surfaces of the two slide rails 102. Installation grooves 404 are opened on one side of each of the two support frames 402, and movable grooves 405 are opened at the four ends on one side of the filter plate 401.

[0034] Specifically: The filter plate 401 has a common structure in the prior art. The support frame 402 serves to install the second pulley 403. The second pulley 403 moves on the surface of the slide rail 102, facilitating the movement of the filter plate 401. The installation groove 404 facilitates the installation and movement of the second buffer device 5, and the movable groove 405 facilitates the installation and movement of the first buffer device 3.

[0035] In one embodiment, one end of the spring 301 is fixedly installed on one side of the inner cavity of the movable groove 405, and the surface of the limit ring 303 is movably embedded in the movable groove 405.

[0036] Specifically: The limit sleeve 302 buffers by squeezing the spring 301, and the limit ring 303 cooperates with the movable groove 405 to play a limiting role.

[0037] In one embodiment, one end of the fixed sleeve 501 is fixedly installed at the top of the inner cavity of the installation groove 404. One end of the first torsion spring 503 is fixedly connected to the top side of the inner cavity of the installation groove 404. One end of the second torsion spring 507 is fixedly connected to the bottom side of the connecting plate 504, and the other end of the second torsion spring 507 is fixedly connected to the inside of one end of the movable plate 506.

[0038] Specifically: When two adjacent filter plates 401 come into contact, the movable plate 506 will first touch one side of the filter plate 401 and buffer by squeezing the second torsion spring 507. After the movable plate 506 is squeezed and rotated to a certain angle, the filter plate 401 will touch and squeeze the connecting plate 504, and the connecting plate 504 buffers through the first torsion spring 503.

[0039] Working principle: In order to improve the protection and buffering functions of the filter plate 401, buffer device two 5 is provided on both sides of the filter plate 401, and buffer device one 3 is provided at the four ends of one side. When performing the filtering work, the external controller is used to start the hydraulic telescopic rod 201. The hydraulic telescopic rod 201 drives the push plate 202 to move inside the filter press frame 1 and push against the filter plate 401. The push plate 202 will first contact the surface of the limit sleeve 302 and, as it moves, squeeze the limit sleeve 302 to drive the filter plate 401 to move. During the movement, the limit sleeve 302 squeezes the spring 301 to buffer the rigid contact between the push plate 202 and the filter plate 401. When two adjacent filter plates 401 come into contact, in addition to being buffered by the spring 301 and the limit sleeve 302, the buffer device two 5 installed inside the installation groove 404 will first contact one side of the support frame 402 through the movable plate 506. During the extrusion process, it will be buffered by the torsion spring two 507. When the movable plate 506 rotates to a certain angle, it will squeeze the connecting plate 504, and the connecting plate 504 is buffered by squeezing the torsion spring one 503. Finally, after the two filter plates 401 drive the support frames 402 on both sides to fit together, the buffer device two 5 is completely retracted inside the installation groove 404. Through the design of the buffer device two 5 and the buffer device one 3, during the filtering work of the filter plate 401, the buffering function is enhanced, and the damage caused by rigid contact is reduced. And due to the torsion spring one 503, torsion spring two 507 and spring 301 installed in the buffer device two 5 and the buffer device one 3, when the mud cake is unloaded after the filtering is completed and the hydraulic telescopic rod 201 drives the push plate 202 to reset, each filter plate 401, under the reset action of the torsion spring one 503, torsion spring two 507 and spring 301, facilitates the separation of the filter plates 401, enabling the mud cake unloading work to be carried out faster and improving the work efficiency.

[0040] The above is only a preferred embodiment of the present invention and is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A filter plate buffer structure and a filter press, characterized in that: include: A filter press frame (1), wherein a driving device (2) is disposed on one side of the filter press frame (1), a plurality of filter plate devices (4) are disposed inside the filter press frame (1), a buffer device 1 (3) is disposed at four ends of one side of the plurality of filter plate devices (4), and a buffer device 2 (5) is disposed at both ends of the plurality of filter plate devices (4); The buffer device (3) comprises a spring (301), the other end of the spring (301) is fixedly connected to a limiting sleeve (302), and one end of the limiting sleeve (302) is fixedly mounted with a limiting ring (303); The buffer device 2 (5) comprises a fixed sleeve (501), a movable sleeve (502) is provided at the bottom end of the fixed sleeve (501) via a bearing sleeve, a torsion spring 1 (503) is fixedly installed on the bottom side of the movable sleeve (502), a connecting plate (504) is fixedly connected to one side of the surface of the movable sleeve (502), a connecting sleeve (505) is embedded at the bottom of one end of the connecting plate (504) via a bearing, a movable plate (506) is provided at the bottom end of the connecting sleeve (505) via a bearing sleeve, and a torsion spring 2 (507) is movably installed inside the connecting sleeve (505).

2. A filter plate buffer structure and filter press according to claim 1, characterized in that: Extrusion plates (101) are fixedly mounted on both sides of one end of the filter press frame (1), and slide rails (102) are fixedly mounted on both sides of the surface of the filter press frame (1).

3. A filter plate buffer structure and filter press according to claim 1, characterized in that: The driving device (2) comprises a hydraulic telescopic rod (201), one side of the hydraulic telescopic rod (201) is fixedly mounted on one side of the filter press frame (1), the output end of the hydraulic telescopic rod (201) penetrates the surface of the filter press frame (1) and is equipped with a push plate (202), both sides of the push plate (202) are equipped with pulleys (203), and the two pulleys (203) are respectively movable on the surfaces of two slide rails (102).

4. A filter plate buffer structure and filter press according to claim 1, characterized in that: The filter plate device (4) comprises a filter plate (401), both sides of the filter plate (401) are fixedly connected with support frames (402), a pulley 2 (403) is installed in the middle of the bottom of the two support frames (402), the two pulleys 2 (403) are movably installed on the surfaces of two slide rails (102), one side of the two support frames (402) is provided with a mounting groove (404), and the four ends of one side of the filter plate (401) are provided with movable grooves (405).

5. The filter plate buffer structure and filter press according to claim 1, characterized in that: One end of the spring (301) is fixedly mounted on one side of the inner cavity of the movable groove (405), and the surface of the limiting ring (303) is movably embedded in the interior of the movable groove (405).

6. A filter plate buffer structure and filter press according to claim 1, characterized in that: One end of the fixed sleeve (501) is fixedly mounted on the top of the inner cavity of the mounting groove (404), one end of the torsion spring 1 (503) is fixedly connected to the top side of the inner cavity of the mounting groove (404), one end of the torsion spring 2 (507) is fixedly connected to the bottom side of the connecting plate (504), and the other end of the torsion spring 2 (507) is fixedly connected to the inside of one end of the movable plate (506).

Images