A filter press

Abstract

The utility model discloses a filter press, comprising a support and a plurality of filter plates, wherein a plurality of filter plates arranged in parallel are arranged in the middle of the support, and the filter press also comprises: a driving structure and a vibrating structure, wherein the driving structure is connected with the filter plates and is used for driving the plurality of filter plates to move between a separated state and a closed state, wherein when the filter plates are in the separated state, the plurality of filter plates are spaced apart by a set distance, and when the filter plates are in the closed state, the plurality of filter plates are fitted together; the vibrating structure comprises a vibrating member arranged above the filter plates and a lifting member connected to the vibrating member, wherein the vibrating member has a plurality of vibrating ends corresponding to the plurality of filter plates in the separated state in sequence; the scheme adopts a method of directly vibrating the filter plates with the vibrating structure to unload the filter cakes, does not rely on a handle to transmit the vibrating force, and is beneficial to improving the service life of the handle; at the same time, the vibrating structure can simultaneously vibrate and unload the filter cakes on the plurality of filter plates, which is beneficial to saving the time of the filter pressing operation and improving the work efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a filter press. Background Art

[0002] The filter press is the main filtering equipment in the solid-liquid separation industry. After each filtration, the pressing plate retreats to the end of the main beam close to the cylinder seat, and then the filter plates need to be pulled apart to make the filter cakes formed between the filter plates fall off.

[0003] The utility model patent with publication number CN216725948U provides a plate pulling device for a filter press, including a support, a plurality of filter plates are arranged in the middle of the support, filter plate handles are connected to both sides of the filter plates, a plate pulling assembly is provided on the support, the plate pulling assembly includes a guide rod and a ball screw, and a sliding block is slidably arranged on the guide rod; the plate pulling assembly also includes a plate pulling mechanism and a top plate mechanism, the plate pulling mechanism and the top plate mechanism are respectively arranged on both sides of the sliding block, the top plate mechanism includes a top plate seat, a top plate cylinder is provided at the bottom of the top plate seat, a top plate block is connected to the output end of the top plate cylinder, when the top plate block passes under the filter plate handle, the top plate block contacts the filter plate handle, when the filter plate handle corresponds to the top plate interval, the top plate cylinder lifts the top plate block, drives the filter plate handle and even the filter plate to reciprocate up and down, so that the filter cakes on both sides of the filter plate fall off.

[0004] However, in the prior art, the filter plate handle in the filter press must not only realize the supporting function of the filter plate, but also withstand the lifting and collision of the top plate mechanism during the cake unloading process, so that the filter plate handle is subjected to high force and is easily damaged. In addition, when removing the filter cake, the top plate mechanism needs to be moved to the bottom of each filter plate handle in turn to shake off the filter cakes in multiple filter plates one by one, resulting in long operating time and low working efficiency of the filter press. Utility Model Content

[0005] The utility model aims to overcome the above technical deficiencies and propose a filter press to solve the technical problems in the prior art that the filter plate handle has a large force strength, is easily damaged, has a long operating time and has a low working efficiency.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a filter press, comprising a support and a plurality of filter plates, wherein a plurality of filter plates arranged in parallel are arranged in the middle of the support, and the filter press further comprises: a driving structure and a vibrating structure, wherein the driving structure is connected to the filter plates and is used to drive the plurality of filter plates to move between a separated state and a closed state, wherein when the filter plates are in a separated state, the plurality of filter plates are spaced apart by a set distance, and when the filter plates are in a closed state, the plurality of filter plates are fitted together; the vibrating structure comprises a vibrating member arranged above the filter plates and a lifting member connected to the vibrating member, wherein the vibrating member has a plurality of vibrating ends respectively corresponding to the plurality of filter plates in the separated state in sequence, and the lifting member is used to drive the vibrating end to rise and fall so as to move to one side of the filter plate.

[0008] In some embodiments, handles are connected to both sides of the filter plate, and the handles on both sides of the filter plate are slidably connected to two beams on both sides of the support respectively.

[0009] In some embodiments, the filter press further comprises a connection structure, the connection structure comprises a plurality of connection members respectively connecting two adjacent filter plates, each of the connection members has an open state for connecting the filter plates in a separated state, and a closed state for connecting the filter plates in a closed state, and the lengths of the connection members in the open state are equal. Each of the connection members comprises two connection plates, one end of the two connection plates is rotatably connected, and the other ends of the two connection plates are respectively hingedly connected to two adjacent filter plates.

[0010] In some embodiments, the rapping structure also includes a mounting frame, the rapping member is installed on the mounting frame, and the lifting member includes a plurality of driving cylinders respectively arranged at both ends of the support, and each of the cylinders is connected to the mounting frame to drive the mounting frame and the rapping structure to perform lifting and lowering movements.

[0011] In some embodiments, the rapping member includes a mounting rod, a plurality of rapping teeth, a turntable, a transmission rod and a transmission plate. The mounting rod is transversely arranged on the mounting frame and is slidably connected to the mounting frame. A plurality of rapping teeth are arranged on the bottom surface of the mounting rod along the length direction. The turntable is rotatably installed in the mounting frame. One end of the transmission rod is eccentrically connected to the turntable through a sleeve, and the other end of the transmission rod is rotatably connected to the transmission plate, and the transmission plate is fixedly connected to the mounting rod; the rapping structure also includes a motor, which is coaxially connected to the turntable to drive the turntable to rotate; there are three rapping members, which are arranged in parallel at intervals, and a rotating rod is arranged between each two adjacent turntables, and the rotating rod is coaxially fixedly connected to the two turntables.

[0012] In some embodiments, the rapping structure also includes a support member, two of which are provided and are respectively arranged between two adjacent rapping members; the support member includes a support rod and a plurality of support teeth, the support rod and the mounting rod are arranged in parallel, and a plurality of the support teeth are arranged in sequence at the bottom of the support rod along the length direction of the support rod, and the positions of a plurality of the support teeth and a plurality of the rapping teeth correspond in sequence, so that the support teeth and the rapping teeth can be respectively arranged on both sides of the filter plate, and the top ends of a plurality of the support teeth are all extended into a slide groove provided on the support rod, and are slidably connected to the slide groove, and a spring is connected between each of the support teeth and the groove wall of the support rod slide groove; the cross-sectional area of ​​the top end of the support tooth is larger than the cross-sectional area of ​​its bottom end.

[0013] In some embodiments, the driving structure includes a hydraulic cylinder, which is mounted on the support and has a driving end connected to one of the filter plates.

[0014] Compared with the prior art, the filter press provided by the utility model has a driving structure and a vibrating structure, and the driving structure can drive several filter plates to move between a separated state and a closed state. The vibrating member is arranged above the filter plate and has several vibrating ends which respectively correspond to the several filter plates in the separated state in sequence, so that when the driving structure drives each filter plate to be in a separated state, each vibrating end corresponds to the position of each filter plate in sequence above the filter plate, and the vibrating end can be driven to move downward to one side of the filter plate by means of a lifting member, and the filter plate is vibrated on one side of each filter plate by each vibrating end to complete cake unloading; in this scheme, the filter plate is directly vibrated by the vibrating structure to unload the cake, and the vibrating force is not transmitted by the handle, which is beneficial to prolonging the service life of the handle. At the same time, the vibrating structure of this scheme can simultaneously vibrate and unload the cakes on each filter plate, replacing the method of using the vibrating structure to vibrate the filter plates in sequence to unload the cakes in the prior art, which is beneficial to saving time for filter pressing operations and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the filter press provided by the embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the main cross-sectional structure of the filter press provided by the embodiment of the utility model;

[0017] Figure 3 It is a schematic diagram of the main structure of the rapping member of the filter press provided by the embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the top view of the structure of the rapping member of the filter press provided by the embodiment of the utility model;

[0019] Figure 5It is a schematic diagram of the main cross-sectional structure of the support member of the filter press provided by the embodiment of the utility model;

[0020] Figure 6 It is a side cross-sectional structural schematic diagram of a support member of a filter press provided in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1. Support; 11. Crossbeam;

[0023] 2. Filter plate; 21. Handle;

[0024] 3. Driving structure;

[0025] 4. Vibrating structure; 41. Vibrating member; 411. Mounting rod; 412. Vibrating teeth; 413. Turntable; 414. Transmission rod; 415. Transmission plate; 416. Rotating rod; 42. Lifting member; 421. Driving cylinder; 43. Mounting frame; 44. Motor; 45. Support member; 451. Support rod; 452. Support teeth; 453. Slideway; 454. Spring;

[0026] 5. Connection structure; 51. Connection plate. DETAILED DESCRIPTION

[0027] 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.

[0028] In order to solve the technical problems that the filter plate handle is subjected to high force and is easy to be damaged, the operation time of the filter press is long, and the working efficiency is low, the utility model provides a filter press, which adopts a vibrating structure to directly vibrate the filter plate to unload the filter cake, does not rely on the handle to transmit the vibrating force, and is beneficial to improving the service life of the handle. At the same time, the vibrating structure can simultaneously vibrate each filter plate to unload the filter cake, which is beneficial to saving the time of the filter pressing operation and improving the working efficiency.

[0029] See also Figures 1 to 6The filter press includes a support 1, a plurality of filter plates 2, a driving structure 3 and a rapping structure 4. A plurality of filter plates 2 are arranged in parallel in the middle of the support 1. The driving structure 3 is connected to the filter plates 2 and is used to drive the plurality of filter plates 2 to move between a separated state and a closed state. When the filter plates 2 are in a separated state, the filter plates 2 are spaced apart by a set distance. When the filter plates 2 are in a closed state, the filter plates 2 are fitted together. The rapping structure 4 includes a rapping member 41 arranged above the filter plates 2 and a lifting member 42 connected to the rapping member 41. The rapping member 41 has a plurality of rapping ends corresponding to the plurality of filter plates 2 in the separated state in sequence. The lifting member 42 is used to drive the rapping end to rise and fall so as to move to one side of the filter plate 2.

[0030] In the present device, a driving structure 3 is provided to drive a plurality of filter plates 2 to move between a separated state and a closed state. When the filter plates 2 are in a closed state, the filter plates 2 are fitted together, and the filter plates 2 can be squeezed to filter out the moisture in the filter plates 2. When the filter plates 2 are in a separated state, the filter plates 2 are spaced apart by a set distance. A vibrating member 41 is provided above the filter plates 2, and has a plurality of vibrating ends which correspond in sequence to the plurality of filter plates 2 in the separated state, so that when the driving structure 3 drives the filter plates 2 to be in a separated state, each vibrating end corresponds in sequence to the position of each filter plate 2 above the filter plates 2, and the lifting member 42 can be used to drive the vibrating end to move downward to one side of the filter plate 2, so that the filter plates 2 can be vibrated on one side of each filter plate 2 by each vibrating end to complete the cake unloading.

[0031] In this example, see Figure 1 The driving structure 3 includes a hydraulic cylinder, which is transversely installed on the support 1, and its driving end extends to the left and is fixedly connected to the rightmost filter plate 2, and each filter plate 2 is connected with a handle 21 on both sides, and the handles 21 on both sides of the filter plate 2 are respectively slidably connected to the two cross beams 11 on both sides of the support 1, so as to support the filter plate 2 through the handle 21, so that the filter plate 2 can slide on the cross beam 11 of the support 1 along the length direction of the cross beam 11 under the drive of the hydraulic cylinder, so as to move between the open state and the closed state.

[0032] When the filter plates 2 are in a separated state, each of the filter plates 2 is spaced apart by a set distance. In order to make the distances between two adjacent filter plates 2 equal, in this embodiment, refer to Figure 1, a connecting structure 5 is also provided, the connecting structure 5 includes a plurality of connecting members respectively connecting two adjacent filter plates 2, each of the connecting members has an open state for connecting the filter plates 2 in a separated state, and a closed state for connecting the filter plates 2 in a closed state, so that when the filter plates 2 move toward the closed state, the connecting members can be driven to gradually close to the closed state to adapt to the connection with the filter plates 2, and when the filter plates 2 move toward the separated state, the connecting members can be driven to gradually open to the open state to connect the filter plates 2 in the separated state, and the lengths of the connecting members in the open state are equal, so that when the hydraulic cylinder drives the filter plate 2 on the right to slide to the right, the filter plates 2 can be led to slide to the right in turn through the connecting members and maintain a certain distance.

[0033] In one embodiment, each of the connecting members includes two connecting plates 51 , one ends of the two connecting plates 51 are rotatably connected, and the other ends of the two connecting plates 51 are hingedly connected to two adjacent filter plates 2 , respectively.

[0034] In order to achieve stable lifting and lowering motion of the driving member 41, in this embodiment, please refer to Figures 1 to 3 The rapping structure 4 also includes a mounting frame 43, a motor 44 and a support member 45. Three rapping members 41 are provided, and two support members 45 are provided. The support members 45 are respectively arranged between two adjacent rapping members 41. The rapping members 41 and the support members 45 are both installed on the mounting frame 43. The lifting member 42 includes four driving cylinders 421. A driving cylinder 421 is respectively arranged at the two corners at both ends of the support 1. The top of each driving cylinder 421 is fixedly installed on the support 1, and the telescopic shaft at the bottom thereof is fixedly connected to the mounting frame 43, and the mounting frame 43 and the rapping structure 4 can be driven to perform lifting and lowering movements through the telescopic movement of the telescopic shaft.

[0035] It should be noted that, in other embodiments, the specific forms of the driving structure 3 and the lifting member 42 are not limited thereto, and the hydraulic cylinder and the driving cylinder 421 may also be replaced by a ball screw structure or the like.

[0036] In order to achieve simultaneous vibration and cake unloading of each filter plate 2, in some embodiments, refer to Figures 2 to 4The rapping member 41 includes a mounting rod 411, a plurality of rapping teeth 412, a rotating disk 413, a transmission rod 414 and a transmission plate 415. The mounting rod 411 is transversely arranged on the mounting frame 43 and is slidably connected to the mounting frame 43, and can slide left and right on the mounting frame 43. The bottom surface of the mounting rod 411 is fixedly provided with a plurality of rapping teeth 412 in sequence along the length direction. The rotating disk 413 is rotatably installed in the mounting frame 43. One end of the transmission rod 414 It is eccentrically connected to the turntable 413 through a sleeve, and the other end of the transmission rod 414 is rotationally connected to the transmission plate 415, and the bottom end of the transmission plate 415 is fixedly connected to the mounting rod 411; the motor 44 is coaxially connected to the turntable 413 to drive the turntable 413 to rotate; the three rapping members 41 are arranged in parallel at intervals, and a rotating rod 416 is provided between each adjacent two turntables 413, and the rotating rod 416 is coaxially fixedly connected to the two turntables 413.

[0037] Before the rapping operation, the rapping member 41 is located above the filter plate 2 and does not affect the filter pressing and water removal of the filter plate 2. When the cake is unloaded, the lifting member 42 drives the rapping member 41 to descend to a suitable position, and then drives the rapping member 41 to ascend and reset after the rapping operation is completed. During implementation, one of the turntables 413 is driven to rotate by the motor 44, and each turntable 413 is synchronously rotated by the transmission rod 414 and the rotating rod 416. Under the eccentric connection between the transmission rod 414 and the turntable 413, the rotation of the turntable 413 can drive the transmission plate 415 to move intermittently left and right through the transmission rod 414, thereby driving the mounting rod 411 to slide intermittently left and right. When it slides to the left, it moves toward the filter plate 2 to rap and unload the cake, and when it slides to the right, it resets, thereby realizing high-frequency rapping of the filter plate 2 during intermittent motion.

[0038] Furthermore, in order to improve the stability of the rotating rod 416 and the rotating disk 413 , a sleeve is sleeved on the outer side of the rotating rod 416 , and the rotating rod 416 can rotate in the sleeve, and the sleeve is installed on the mounting frame 43 .

[0039] In some embodiments, see Figure 2 , Figure 5 and Figure 6 The support member 45 includes a support rod 451 and a plurality of support teeth 452. The support rod 451 is arranged in parallel with the mounting rod 411 and is fixed on the mounting frame 43. The plurality of support teeth 452 are arranged in sequence at the bottom of the support rod 451 along the length direction of the support rod 451; the positions of the plurality of support teeth 452 and the plurality of rapping teeth 412 correspond in sequence, so that the support teeth 452 and the rapping teeth 412 can be respectively arranged on both sides of the filter plate 2.

[0040] The top ends of several supporting teeth 452 are inserted into a corresponding slide groove 453 on the supporting rod 451. The cross-sectional area of ​​the top end of the supporting teeth 452 is larger than the cross-sectional area of ​​the bottom end thereof, and the supporting teeth 452 can be slidably connected with the slide groove 453. A spring 454 is connected between each supporting tooth 452 and the groove wall of the slide groove 453 of the supporting rod 451. When the filter plate 2 is subjected to a force, the force is transmitted to the spring 454 through the supporting teeth 452, and the filter plate 2 is reset by the action of the spring 454, so that the supporting teeth 452 and the rapping teeth 412 can cooperate on both sides of the filter plate 2 to rapping and unloading the cakes.

[0041] The utility model provides a driving structure 3 and a vibrating structure 4, and the driving structure 3 can drive a plurality of filter plates 2 to move between a separated state and a closed state. A vibrating member 41 is arranged above the filter plate 2 and has a plurality of vibrating ends which correspond in sequence to the plurality of filter plates 2 in the separated state, so that when the driving structure 3 drives each filter plate 2 to be in a separated state, each vibrating end corresponds in sequence to the position of each filter plate 2 above the filter plate 2, and a lifting member 42 can be used to drive the vibrating end to move downward to one side of the filter plate 2, and each vibrating end is used to vibrate the filter plate 2 on one side of each filter plate 2 to complete cake unloading; in this scheme, the filter plate 2 is directly vibrated by the vibrating structure 4 to unload the cake, and the handle 21 is not relied on to transmit the vibrating force, which is beneficial to improving the service life of the handle 21. At the same time, the vibrating structure 4 of this scheme can synchronously vibrate and unload the cakes on each filter plate 2, replacing the method of using a vibrating mechanism to vibrate the filter plates 2 in sequence to unload the cakes in the prior art, which is beneficial to saving time for filter pressing operations and improving work efficiency.

[0042] 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 filter press, comprising a support and a plurality of filter plates, wherein a plurality of filter plates are arranged in parallel in the middle of the support, characterized in that: The filter press also includes: A driving structure, the driving structure is connected to the filter plates and is used to drive a plurality of filter plates to move between a separated state and a closed state, wherein when the filter plates are in the separated state, the filter plates are spaced apart by a set distance, and when the filter plates are in the closed state, the filter plates are fitted together; The rapping structure includes a rapping member arranged above the filter plate and a lifting member connected to the rapping member, wherein the rapping member has a plurality of rapping ends corresponding to a plurality of filter plates in a separated state in sequence, and the lifting member is used to drive the rapping end to rise and fall so as to move to one side of the filter plate.

2. The filter press according to claim 1, characterized in that Both sides of the filter plate are connected with handles, and the handles on both sides of the filter plate are slidably connected with two cross beams on both sides of the support respectively.

3. The filter press according to claim 1, characterized in that The filter press also includes a connecting structure, which includes a plurality of connecting members respectively connecting two adjacent filter plates, each of which has an open state for connecting the filter plates in a separated state, and a closed state for connecting the filter plates in a closed state, and each of the connecting members has an equal length in the open state.

4. The filter press according to claim 3, characterized in that Each of the connecting members comprises two connecting plates, one ends of the two connecting plates are rotatably connected, and the other ends of the two connecting plates are respectively hingedly connected to two adjacent filter plates.

5. The filter press according to claim 1, characterized in that: The rapping structure also includes a mounting frame, the rapping member is mounted on the mounting frame, and the lifting member includes a plurality of driving cylinders respectively arranged at both ends of a support, each of the cylinders is connected to the mounting frame to drive the mounting frame and the rapping structure to perform lifting movements.

6. The filter press according to claim 5, characterized in that The rapping member includes a mounting rod, a plurality of rapping teeth, a rotating disk, a transmission rod and a transmission plate. The mounting rod is transversely arranged on the mounting frame and is slidably connected to the mounting frame. The bottom surface of the mounting rod is provided with a plurality of rapping teeth along the length direction. The rotating disk is rotatably installed in the mounting frame. One end of the transmission rod is eccentrically rotatably connected to the rotating disk through a sleeve, and the other end of the transmission rod is rotatably connected to the transmission plate. The transmission plate is fixedly connected to the mounting rod; The rapping structure further comprises a motor, which is coaxially connected to the turntable and is used to drive the turntable to rotate.

7. The filter press according to claim 6, characterized in that There are three rapping members, which are arranged in parallel at intervals. A rotating rod is arranged between every two adjacent rotating disks, and the rotating rod is fixedly connected to the two rotating disks coaxially.

8. The filter press according to claim 7, characterized in that The rapping structure further includes a support member, wherein two support members are provided and are respectively arranged between two adjacent rapping members; The support member includes a support rod and a plurality of support teeth, the support rod and the mounting rod are arranged in parallel, the plurality of support teeth are arranged in sequence at the bottom of the support rod along the length direction of the support rod, the positions of the plurality of support teeth and the plurality of rapping teeth correspond in sequence, so that the support teeth and the rapping teeth can be respectively arranged on both sides of the filter plate, and the top ends of the plurality of support teeth are all extended into a slide groove provided on the support rod, and are slidably connected to the slide groove, and a spring is connected between each of the support teeth and the groove wall of the support rod slide groove.

9. The filter press according to claim 8, characterized in that The cross-sectional area of ​​the top end of the supporting tooth is larger than the cross-sectional area of ​​the bottom end thereof.

10. The filter press according to claim 1, characterized in that The driving structure comprises a hydraulic cylinder, which is mounted on the support and has a driving end connected to one of the filter plates.

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