A plate filter press cleaning device

Abstract

A plate filter press cleaning device relates to the technical field of supporting equipment for plate filter presses. By utilizing the linkage effect between the sliding rod on the first limit block on the moving box and the cooperative lever, the moving box is prompted to perform unloading and cleaning operations respectively during the process of pushing the filter plate to move, thereby connecting the unloading and cleaning processes and eliminating the need to pause between unloading and cleaning. The unloading and cleaning of the filter plate share the same stroke. Moreover, during the stroke, after the unloading is completed, the unloading mechanism can automatically separate from the moving box after the cleaning mechanism is connected, thereby avoiding the influence of the mud residue on the unloading during the cleaning process and optimizing the cleaning efficiency of the plate filter press.

Description

Technical Field

[0001] The invention relates to the technical field of supporting equipment for plate filter presses, and in particular to a material cleaning device for plate filter presses. Background Art

[0002] The plate filter press is unloaded by separating the filter plates one by one, so that the mud between the filter plates falls off. After the mud is cleaned, the remaining mud on the filter plates needs to be cleaned to prevent the mud from clogging the mesh of the filter screen on the filter press plate, which will affect the subsequent filter pressing effect. Since it is necessary to prevent the cleaning liquid generated during the cleaning process from seeping into the mud cleaned off the filter press plate, the filter press plates need to be separated and unloaded one by one first, and the filter press plates are separated one by one by the plate claws on the plate puller hook, as shown in Patent CN 209575876 U, a loading and unloading plate pulling manipulator and filter press, wherein a plate pulling manipulator disclosed therein comprises a plate pulling claw and a plate taking claw, and the plate pulling claw is used to move the filter press plate to carry out unloading, and the cleaning operation is carried out after the separated and cleaned mud residue is transported out of the filter press. There are two traditional methods. The first method is that after the unloading stroke is completed (the plate picking hook pushes the filter press plate to move in one direction as a stroke, and after completion, the plate picking hook is reset to carry out the next filter press plate unloading), the filter press plate is moved to one side of the filter press, and the filter press plate is cleaned by a water spray mechanism. In this method, since the filter press plate is unloaded and moved to the end point, there will be contact or a small gap between the filter press plates. During the cleaning process, it is not convenient to clean the two plate surfaces of the filter press plate, and the cleaning process will affect the adjacent filter press plates; and the second method is to add another filter press plate stroke, by waiting for all the filter press plates to be unloaded, and then moving the filter press plates one by one in the opposite direction for water spray cleaning, and this method requires two strokes for unloading and cleaning, which seriously affects the use efficiency of the filter press. Summary of the invention

[0003] The present invention aims to overcome the problem that the existing plate filter press cleaning device has two operations, namely, unloading the sludge on the filter press plate and cleaning the filter press plate, which cannot be processed in the same filter press plate stroke, affecting the use efficiency of the filter press. The purpose is to provide a plate filter press cleaning device.

[0004] The technical problem to be solved by the present invention is achieved by adopting the following technical solutions:

[0005] A plate filter press cleaning device, which is arranged on a filter press body with a plurality of filter press plates, with push plate slide rails arranged on both sides of the filter press body, a cleaning slide rail arranged on the upper part, and a discharge slide rail arranged on the lower part, and the plate filter press cleaning device comprises: a push plate mechanism, a discharge mechanism, and a cleaning mechanism;

[0006] The push plate mechanism includes a moving box, a push plate hook, a first limit block, a second limit block, a coordinated push rod, and a fourth limit block. The moving box is installed on the push plate slide rail, the first limit block and the second limit block are located at the upper part of the moving box, and the coordinated push rod and the fourth limit block are located at the lower part of the moving box;

[0007] The straight line distance between the first limit block and the second limit block is parallel to the straight line distance between the cooperative lever and the fourth limit block. A lever hook is provided between the first limit block and the cooperative lever, and the lever hook is installed on the upper part of the movable box. The cleaning mechanism can move on the cleaning slide rail under the push of the first limit block and the second limit block, and the unloading mechanism can move on the unloading slide rail under the push of the cooperative lever and the fourth limit block.

[0008] Furthermore, the first limit block is hollow inside, and a sliding rod is installed in the first limit block. The sliding rod pushes the lifting rod inside the first limit block to rise and fall through a connecting rod mechanism. A through groove is provided in the middle of the lifting rod, and a transmission rod is slidably installed inside the mobile box. When the lifting rod rises to the maximum, the transmission rod moves along the axial direction and can pass through the through groove. The other end of the transmission rod is hinged to a coordinated shifting rod, and the middle part of the coordinated shifting rod is hinged and installed on the mobile box.

[0009] Furthermore, a support seat is fixed inside the first limit block, a pressure ring is fixed on the slide rod, a pressure spring is installed between the support seat and the pressure ring, and the pressure spring pushes the pressure ring to move toward the second limit block.

[0010] Furthermore, the unloading mechanism includes a sludge cleaning and transporting conveyor belt, a unloading base, a receiving hopper, and a unloading paddle. The unloading base is slidably installed on the unloading slide rail, the receiving hopper is installed on the unloading base, the receiving hopper is located at the lower part of the filter press plate, and the unloading paddle is fixedly installed on the unloading base. When the mobile box moves, the unloading base can contact the cooperative lever, the sludge cleaning and transporting conveyor belt is arranged on one side of the filter press body, and the lower bucket mouth of the receiving hopper is located on the upper part of the sludge cleaning belt.

[0011] Furthermore, one side of the lower hopper opening of the receiving hopper is hingedly mounted on a discharge base, a buffer spring is provided between the upper end of the receiving hopper and the receiving base, and a vibration motor is installed on the outer side wall of the receiving hopper.

[0012] Furthermore, the cleaning mechanism includes a cleaning seat, a water receiving trough, and a cleaning spray rack. Positioning racks are installed in pairs on both sides of the cleaning spray rack. The positioning racks are slidably installed on the cleaning seat. The positioning racks can move up and down on the cleaning seat. The water receiving trough is located directly below the filter press plate and is fixed on the filter press body.

[0013] Furthermore, two limiting wheels are installed on the cleaning seat, and the limiting wheels are respectively engaged with a positioning rack. A limiting frame is slidably installed on the cleaning seat, and the limiting frame is located at the lower part of the two limiting wheels. The limiting rack is fixed on the limiting frame, and the limiting frame pushes the limiting rack to move upward so that the limiting rack can engage with the two limiting wheels at the same time.

[0014] Furthermore, a transmission shaft is rotatably installed on the cleaning seat, one end of the transmission shaft is fixedly connected to a cleaning torsion bar, when the cleaning seat moves, the lower end of the cleaning torsion bar can contact the sliding bar on the first limit block, and a cam is fixed to the other end of the transmission shaft, when the cleaning torsion bar swings, the cam pushes the limit frame to move upward.

[0015] Furthermore, a limit spring is installed on the cleaning seat, and the limit spring applies an upward thrust to the limit frame.

[0016] Furthermore, a baffle is fixedly mounted on the cleaning spray rack, and the baffle is parallel to the filter press plate.

[0017] A plate filter press cleaning device, working principle:

[0018] After the filtration work is completed, the moving box is pulled by the driving chain to move back and forth on the push plate slide rail to separate and unload the filter press plate;

[0019] When the moving box moves toward the side of the filter press plate to be unloaded, at this time, the cleaning mechanism is separated from the sliding rod. When the moving box moves, the second limit block on it pushes the cleaning structure to move toward the side of the filter press plate to be unloaded. Since the sliding rod does not contact the cleaning mechanism at this time, without the action of external pressure, the transmission rod is limited by the lifting rod, so that the coordinated lever can only deflect in one direction. When the moving box drives the coordinated lever to move to the unloading mechanism, the coordinated lever deflects, so that the unloading mechanism moves between the coordinated lever and the fourth limit block, and the moving box continues to move, and the fourth limit block pushes the unloading mechanism to move toward the side of the filter press plate to be unloaded.

[0020] After the paddle hook hooks the filter press plate, the driving chain pulls the moving box in the reverse direction to unload. In this process, as the moving box moves, the cleaning mechanism is separated from the second limit block, and the distance between the slide bar and the cleaning mechanism is shortened as the moving box moves. Since the cleaning mechanism has not yet contacted the slide bar at this time, the coordinated paddle bar is still restricted by the transmission rod and the lifting rod. Since the coordinated paddle bar cannot be deflected in the reverse direction, when the moving box moves, the coordinated paddle bar pushes the unloading mechanism to move together. After the filter press plates are separated, the mud residue on the filter press plates falls off and directly falls into the unloading mechanism to complete the unloading. At the same time, the moving box continues to move, so that the slide bar is in contact with the cleaning mechanism When the filter press is in contact with the filter, the cleaning mechanism squeezes the sliding rod, which in turn drives the auxiliary rod to rotate, and the lower end of the auxiliary rod lifts the lifting rod upward. When the through slot on the lifting rod coincides with the transmission rod, the cooperative lever is acted upon by the thrust of the unloading mechanism and applies a thrust to the transmission rod in the direction of the through slot. When the transmission rod coincides with the through slot, the transmission rod passes through the through slot. Due to the lack of resistance, the upper end of the cooperative lever will deflect to one side of the transmission rod, and the deflection of the lower end of the cooperative lever will not push the unloading mechanism to move. At this time, the unloading mechanism is separated from the moving box, and the moving box can continue to push the cleaning mechanism to move. When the moving box pushes the filter press plate to complete its stroke, the moving box resets to unload the next filter press plate.

[0021] The beneficial effects of the present invention are:

[0022] 1. The unloading and cleaning of the filter press plate share the same stroke. By utilizing the linkage effect between the slide bar on the first limit block on the mobile box and the cooperative lever, the mobile box is prompted to perform unloading and cleaning operations respectively during the process of pushing the filter press plate to move, which connects the unloading and cleaning processes and eliminates the need to pause between unloading and cleaning. In addition, during the stroke, after unloading is completed, the unloading mechanism can be separated from the mobile box automatically after the cleaning mechanism is connected, thereby avoiding the impact of the unloading mud residue during the cleaning process and optimizing the cleaning efficiency of the plate filter press.

[0023] 2. The sludge after the filter press plate is discharged directly enters the discharge mechanism, and is received by the receiving hopper in the discharge mechanism and introduced to the sludge cleaning conveyor belt, and then transported out of the filter press body by the sludge cleaning conveyor belt, which can realize the real-time output of the unloaded sludge, avoid the accumulation of sludge, and effectively reduce the impact of subsequent cleaning operations on the unloaded sludge;

[0024] 3. Through the cleaning seat, water tank, cleaning spray rack, positioning rack, one-way ratchet and driving disk in the cleaning mechanism, during the movement of the moving box in the push plate mechanism, the cleaning spray rack is driven to reciprocate up and down, thereby cleaning the end face of the pushed filter press plate. No manual cleaning operation is required, and the cleaning process is carried out during the movement of the filter press plate, which avoids cleaning taking up time again and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 This is a diagram showing the reset state of the push plate mechanism of the present invention, and the state of the mobile box relative to the unloading mechanism and the cleaning mechanism;

[0027] Figure 3 This is a diagram showing the initial unloading of the push plate mechanism of the present invention, and the state of the moving box relative to the unloading mechanism and the cleaning mechanism;

[0028] Figure 4 This is a state diagram of the movable box relative to the unloading mechanism and the cleaning mechanism when the push plate mechanism of the present invention is separated from the unloading mechanism;

[0029] Figure 5 It is a structural diagram of the unloading paddle plate and the cleaning torsion bar relative to the push plate mechanism of the present invention;

[0030] Figure 6 It is a structural diagram of the cleaning spray rack of the present invention;

[0031] Figure 7 This is a schematic diagram of the installation of the limiting wheel of the present invention;

[0032] Figure 8 It is a schematic diagram of the installation of the one-way ratchet and the driving disc of the present invention;

[0033] Fig. 9 For the present invention Figure 8 Enlarged view of part A in the middle;

[0034] Fig.10 It is a schematic diagram of the drive disk of the present invention;

[0035] In the figure: 1, filter press body; 2, filter press plate; 3, push plate slide rail; 4, cleaning slide rail; 5, discharge slide rail; 10, push plate mechanism; 20, discharge mechanism; 30, cleaning mechanism; 101, drive chain; 102, moving box; 103, transmission rod; 104, plate puller hook; 105, first limit block; 106, second limit block; 107, cooperative push rod; 108, fourth limit block; 109, slide rod; 110, auxiliary rod; 111, groove; 112, support seat; 113, pressure ring; 114, top pressure spring; 115, lifting rod; 201, sludge cleaning conveyor belt; 202, discharge base; 203, receiving hopper; 204, unloading plate; 205, buffer spring; 206, vibration motor; 301, cleaning seat; 302, water tank; 303, cleaning spray rack; 304, positioning rack; 305, one-way ratchet; 306, driving disk; 307, transmission shaft; 308, cleaning torsion bar; 309, cam; 310, limiting wheel; 311, limiting frame; 312, limiting rack; 313, connecting rod; 314, driven gear plate; 315, slot; 316, slide; 317, top pressure slider; 318, arc-shaped spring; 319, bump; 320, extrusion spring; 321, return spring; 322, limiting spring; 323, baffle. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0037] Embodiment 1:

[0038] like Figure 1-4 As shown; a plate filter press cleaning device, the device is arranged on a filter press body 1 with a plurality of filter press plates 2, push plate slide rails 3 are arranged on both sides of the filter press body 1, a cleaning slide rail 4 is arranged on the upper part, and a discharge slide rail 5 is arranged on the lower part. The plate filter press cleaning device includes: a push plate mechanism 10, a discharge mechanism 20, and a cleaning mechanism 30;

[0039] The push plate mechanism 10 includes a driving chain 101, a moving box 102, a transmission rod 103, a plate hook 104, a first limit block 105, a second limit block 106, a coordinated lever 107, and a fourth limit block 108. The moving box 102 is installed on the push plate slide rail 3. The driving chain 101 is connected to the moving box 102, and the moving box 102 is pulled to move on the push plate slide rail 3. The first limit block 105 and the second limit block 106 are located on the upper part of the moving box 102. The first limit block 105 is hollow inside. A slide bar 109 is installed in the first limit block 105. One end of the slide bar 109 is close to the second limit block 106. A first limit block 105 extends out from the side of the sliding rod 109, and a secondary rod 110 is hingedly installed on the sliding rod 109. The middle part of the secondary rod 110 is hinged on the moving box 102. The lower end of the secondary rod 110 is hinged to the lifting rod. The middle part of the lifting rod 115 is provided with a through groove 111. The transmission rod 103 is slidably installed inside the moving box 102. When the lifting rod 115 rises to the maximum, the transmission rod 103 moves along the axial direction and can pass through the through groove 111. The other end of the transmission rod 103 is hinged to the coordinated lever 107. The coordinated lever 107 and the fourth limit block 108 are located at the lower part of the moving box 102. The middle part of the coordinated lever 107 is hingedly installed on the moving box 102.

[0040] The straight line distance between the first limit block 105 and the second limit block 106 is parallel to the straight line distance between the cooperative lever 107 and the fourth limit block 108. A plate hook 104 is provided between the first limit block 105 and the cooperative lever 107. The plate hook 104 is installed on the upper part of the moving box 102. The cleaning mechanism 30 can move on the cleaning slide rail 4 under the push of the first limit block 105 and the second limit block 106. The unloading mechanism 20 can move on the unloading slide rail 5 under the push of the cooperative lever 107 and the fourth limit block 108.

[0041] A support seat 112 is fixed inside the first limit block 105, a pressure ring 113 is fixed on the slide bar 109, and a pressure spring 114 is installed between the support seat 112 and the pressure ring 113. The pressure spring 114 pushes the pressure ring 113 to move toward the second limit block 106. The pressure spring 114 applies a force to the slide bar 109 to ensure that the slide bar 109, the auxiliary rod 110 and the lifting rod will not swing at will when the slide bar 109 is not affected by other external forces.

[0042] In the absence of external force, Figure 2 As shown, under the action of the pressing spring 114, one end of the slide rod 109 passes through the first limit block 105, and the other end of the slide rod 109 limits the rotation of the auxiliary rod 110, so that the lower end of the auxiliary rod 110 presses the lifting rod 115. At this time, the through slot 111 on the lifting rod 115 is misaligned with the transmission rod 103, and the transmission rod 103 cannot pass through the through slot 111, thereby limiting the movement of the transmission rod 103 to one side of the through slot 111, and further making the coordinated lever 107 only deflectable in one direction;

[0043] After the filtration work is completed, the moving box 102 is pulled by the driving chain 101 to reciprocate on the push plate slide rail 3 to separate and unload the filter press plate 2;

[0044] When the moving box 102 moves toward the filter press plate 2 to be unloaded, the cleaning mechanism 30 is separated from the slide bar 109. Figure 3 As shown, when the moving box 102 moves, the second limit block 106 thereon pushes the cleaning structure to move toward the side of the filter press plate 2 to be unloaded. Since the slide bar 109 does not contact the cleaning mechanism 30 at this time, without the effect of external pressure, the transmission rod 103 is limited by the lifting rod, so that the coordinated lever 107 can only deflect in one direction. When the moving box 102 drives the coordinated lever 107 to move to the unloading mechanism 20, the coordinated lever 107 deflects, so that the unloading mechanism 20 moves to between the coordinated lever 107 and the fourth limit block 108, and the moving box 102 continues to move, and the fourth limit block 108 pushes the unloading mechanism 20 to move toward the side of the filter press plate 2 to be unloaded.

[0045] like Figure 4 As shown, after the plate hook 104 hooks the filter press plate 2, the driving chain 101 pulls the moving box 102 in the reverse direction to unload. In this process, as the moving box 102 moves, the cleaning mechanism 30 is separated from the second limit block 106, and the distance between the slide bar 109 and the cleaning mechanism 30 is shortened as the moving box 102 moves. Since the cleaning mechanism 30 has not yet contacted the slide bar 109 at this time, the cooperative lever 107 is still restricted by the transmission rod 103 and the lifting rod 115. Since the cooperative lever 107 cannot be deflected in the reverse direction, when the moving box 102 moves, the cooperative lever 107 pushes the unloading mechanism 20 to move together. After the filter press plate 2 is separated, the mud residue on the filter press plate 2 falls off and directly falls into the unloading mechanism 20 to complete the unloading. At the same time, the moving box 102 continues to move, so that the slide bar 109 contacts the cleaning mechanism 30, and the cleaning mechanism When the sliding rod 109 is pressed by the pull rod 109, the pull rod 109 drives the auxiliary rod 110 to rotate, and the lower end of the auxiliary rod 110 lifts the lifting rod 115 upward. When the through slot 111 on the lifting rod 115 coincides with the transmission rod 103, the cooperative lever 107 is acted upon by the thrust of the unloading mechanism 20, and the transmission rod 103 passes through the through slot 111. Due to the lack of resistance, the upper end of the cooperative lever 107 deflects toward the transmission rod 103, and the deflection of the lower end of the cooperative lever 107 does not push the unloading mechanism 20 to move. At this time, the unloading mechanism 20 is separated from the moving box 102, and the moving box 102 can continue to push the cleaning mechanism 30 to move. When the moving box 102 pushes the filter press plate 2 to complete the stroke, the moving box 102 resets to unload the next filter press plate 2.

[0046] During the whole process, the unloading and cleaning of the filter press plate 2 share the same stroke. By utilizing the linkage effect between the slide bar 109 on the first limit block 105 on the mobile box 102 and the cooperative lever 107, the mobile box 102 is prompted to perform unloading and cleaning operations respectively in the process of pushing the filter press plate 2 to move, thereby connecting the unloading and cleaning processes without pausing between unloading and cleaning. In addition, since during the stroke, after unloading is completed, the unloading mechanism 20 can automatically separate from the mobile box 102 after the cleaning mechanism 30 is connected, thereby avoiding the influence of mud residue on the unloading during the cleaning process and optimizing the cleaning efficiency of the plate filter press.

[0047] Embodiment 2:

[0048] On the basis of Example 1, the sludge produced after the filter press plate 2 is separated should be transported out of the filter press in time to avoid being affected by the cleaning operation when entering the discharge mechanism 20. In order to solve the above problem, Figure 1 , Figure 5 As shown, by setting a discharge mechanism 20, the discharge mechanism 20 includes a mud cleaning and transporting conveyor belt 201, a discharge base 202, a receiving hopper 203, and a discharge plate 204. The discharge base 202 is slidably mounted on the discharge slide rail 5, the receiving hopper 203 is mounted on the discharge base 202, the receiving hopper 203 is located at the lower part of the filter press plate 2, and the discharge plate 204 is fixedly mounted on the discharge base 202. When the mobile box 102 slides, the discharge base 202 can contact the cooperative lever 107, the mud cleaning and transporting conveyor belt 201 is arranged on one side of the filter press body 1, and the lower bucket mouth of the receiving hopper 203 is located at the upper part of the mud cleaning and transporting conveyor belt 201;

[0049] When the cooperative lever 107 on the moving box 102 contacts the discharge lever plate 204, it pushes the discharge mechanism 20 to move as a whole. After the filter press plate 2 is separated, the mud residue adhering to it falls off and enters the receiving hopper 203, and enters the mud residue cleaning conveyor belt 201 from the lower bucket mouth of the receiving hopper 203, and then is transported out of the filter press by the mud residue cleaning conveyor belt 201. In this process, it can ensure that the mud residue cleaned from the filter press plate 2 is output in real time to avoid mud residue accumulation;

[0050] One side of the lower bucket mouth of the receiving hopper 203 is hingedly installed on the unloading base 202, and a buffer spring 205 is provided between the upper end of the receiving hopper 203 and the unloading base 202. A vibration motor 206 is installed on the outer wall of the receiving hopper 203. Through the vibration of the vibration motor 206, the mud residue in the receiving hopper 203 can enter the mud residue cleaning conveyor belt 201 to avoid the accumulation of mud residue in the receiving hopper 203.

[0051] Embodiment 3:

[0052] On the basis of Example 1, Figure 5 , Figure 7 , Fig.10As shown, the cleaning mechanism 30 includes a cleaning seat 301, a water receiving trough 302, a cleaning spray rack 303, a positioning rack 304, a one-way ratchet 305, and a driving disk 306. The cleaning seat 301 is slidably mounted on the cleaning slide rail 4. The water receiving trough 302 is located directly below the filter press plate 2 and is fixed on the filter press body 1. The cleaning spray rack 303 is slidably mounted on the cleaning seat 301. The cleaning spray rack 303 is located on the upper part of the filter press plate 2. The cleaning spray rack 303 sprays water to clean the side of the filter press plate 2. The cleaned water falls vertically into the water receiving trough 302 along the side of the filter press plate 2. To export the wastewater generated by cleaning, positioning racks 304 are installed in pairs on both sides of the cleaning spray rack 303, and the paired positioning racks 304 are parallel to each other. The one-way ratchet 305 and the driving disk 306 are respectively installed on the cleaning seat 301 through supporting shafts. The supporting shaft of the one-way ratchet 305 and the supporting shaft of the driving disk 306 are connected and transmitted through gears. The outer ring side of the one-way ratchet 305 contacts the cleaning slide rail 4. The driving disk 306 is located between the paired positioning racks 304 on one side of the cleaning spray rack 303. The outer half of the driving disk 306 is provided with teeth, which mesh with the positioning rack 304.

[0053] When the moving box 102 drives the cleaning spray rack 303 to move, the one-way ratchet 305 contacts the cleaning slide rail 4, and the friction force causes the one-way ratchet 305 to rotate, and the one-way ratchet 305 rotates to drive the driving plate 306 to move. When the driving plate 306 rotates, the teeth of its outer ring push the positioning rack 304 on one side to move downward through engagement, thereby pushing the cleaning spray rack 303 to move downward as a whole. As the driving plate 306 rotates, the teeth of the outer ring of the driving plate 306 move to the other side and engage with the positioning rack 304 on the other side. Under the action of the engagement thrust, the positioning rack 304 is pushed upward, thereby causing the cleaning spray rack 303 to move upward to the upper part of the filter press plate 2, thereby completing the cleaning operation of the filter press plate 2.

[0054] A baffle 323 is fixedly mounted on the cleaning spray rack 303. The baffle 323 is parallel to the filter press plate 2. The isolation of the baffle 323 can prevent the cleaning liquid from splashing everywhere during the cleaning process.

[0055] Embodiment 4:

[0056] On the basis of Example 3, when cleaning is completed, the cleaning mechanism 30 is separated from the push plate mechanism 10. In order to ensure that the unloading operation of the next filter press plate 2 is not affected, the cleaning spray rack 303 in the cleaning mechanism 30 needs to be moved to the upper part of the filter press plate 2. When the cleaning mechanism 30 and the push plate mechanism 10 are reset to prepare for the unloading operation of the next filter press plate 2, it is not convenient to maintain the position state of the cleaning spray rack 303, which will affect the unloading of the next filter press plate 2. In order to solve the above problem, Figure 7 , Figure 8As shown, a transmission shaft 307 is rotatably installed on the cleaning seat 301, and one end of the transmission shaft 307 is fixedly connected to a cleaning torsion bar 308. When the cleaning seat 301 moves, the lower end of the cleaning torsion bar 308 can contact the slide bar 109 on the first limiting block 105, and a cam 309 is fixed to the other end of the transmission shaft 307. Two limiting wheels 310 are installed on the cleaning seat 301, and the limiting wheels 310 are respectively engaged with a positioning rack 304, and the positioning rack 304 is supported by the limiting wheels 310. Combined with the limit of the driving disk 306, the two positioning racks 304 can move parallel to each other. The limiting frame 311 is slidably installed on the cleaning seat 301. The limiting frame 311 is located at the lower part of the two limiting wheels 310. The limiting rack 312 is fixed on the limiting frame 311. The limiting frame 311 pushes the limiting rack 312 to move upward so that the limiting rack 312 can engage with the two limiting wheels 310 at the same time. The lower part of the limiting frame 311 is hinged with a connecting rod 313, and the end of the connecting rod 313 is hinged on the cam 309.

[0057] A limit spring 322 is installed on the cleaning seat 301, and the limit spring 322 applies an upward thrust to the limit frame 311;

[0058] When the push plate mechanism 10 just contacts the cleaning mechanism 30, the cleaning torsion bar 308 contacts the sliding bar 109 in the push plate mechanism 10. Under the thrust of the sliding bar 109, the cleaning torsion bar 308 drives the transmission shaft 307 to rotate, thereby driving the cam 309 to deflect downward. The deflection of the cam 309 pulls the connecting rod 313 and the limiting frame 311 to move downward, so that the limiting rack 312 on the limiting frame 311 is separated from the two limiting wheels 310. At this time, there is no restriction on the limiting rack 312, and the two limiting wheels 310 can rotate freely. When the push plate mechanism 10 is separated from the cleaning mechanism 30, the cleaning torsion bar 30 8 is no longer subject to the thrust of the slide bar 109. At this time, the tension between the cam 309 and the connecting rod 313 is reduced. Under the action of the limit spring 322, the limit frame 311 moves up, so that the limit rack 312 on the limit frame 311 is engaged with the two limit wheels 310 at the same time, thereby limiting the rotation of the limit wheel 310. Since the limit wheel 310 cannot rotate and the limit wheel 310 is engaged with the positioning rack 304, the positioning rack 304 cannot slide up and down, thereby achieving the positioning of the cleaning spray rack 303, ensuring that when the cleaning spray rack 303 is moved during the resetting process, the cleaning spray rack 303 is kept in a stable position.

[0059] Embodiment 5:

[0060] On the basis of Example 4, when the cleaning spray rack 303 moves up and down, it is necessary to ensure that the cleaning spray rack 303 is always located on the upper part of the filter press plate 2 before and after the cleaning of the filter press plate 2 is completed. In order to solve the above problem, Figure 7 , Figure 8 , Fig. 9As shown, a keyway is provided on the support shaft on which the driving disk 306 is installed along the axial direction, a driven toothed disk 314 is installed on the support shaft, and the keyway is used to limit the driven toothed disk 314 to move only along the axial direction of the supporting shaft, a slot 315 is provided on the side of the driving disk 306, a slide groove 316 is provided inside the cleaning seat 301, a top-pressing slider 317 is slidably installed in the slide groove 316, an arc-shaped spring piece 318 is installed on the side of the top-pressing slider 317, a convex point 319 is fixedly provided on the cam 309, and when the cam 309 rotates, the convex point 319 pushes The movable arc spring piece 318 and the pressing slider 317 move upward along the slide groove 316 together. When the pressing slider 317 moves to the upper end of the slide groove 316, the convex point 319 squeezes the arc spring piece 318 until it is separated from the arc spring piece 318. When the pressing slider 317 moves to the lower end of the slide groove 316, it can be inserted into the slot 315 on the side of the driven gear plate 314. During the initial installation, the cleaning spray rack 303 is set on the filter press plate 2. When the driving disk 306 rotates and pushes the positioning rack 304 to move, it starts to push the cleaning spray rack 303 to move downward as a whole.

[0061] When the cleaning torsion bar 308 is acted upon by a thrust force, that is, the push plate mechanism 10 pushes the cleaning mechanism 30 to move together, the cleaning torsion bar 308 drives the transmission shaft 307 and the cam 309 to rotate, and the convex point 319 on the cam 309 moves. When the convex point 319 contacts the arc-shaped spring piece 318, the arc-shaped spring piece 318 and the pressing slide block 317 are pushed upward along the slide groove 316 under the thrust of the convex point 319. Due to the upward movement of the pressing slide block 317, the lower end of the pressing slide block 317 is separated from the driven gear plate. The slot 315 on 314 is free from the restriction of the pressing slider 317, and the driven toothed disc 314 can rotate by itself. At the same time, due to the movement of the cleaning mechanism 30, the one-way ratchet 305 on the cleaning mechanism 30 contacts the cleaning slide rail 4. As the cleaning mechanism 30 moves, the one-way ratchet 305 rotates under the friction of the cleaning slide rail 4, and drives the driven toothed disc 314 to rotate through the gear transmission between the supporting shafts, and then drives the driving disc 306 to rotate. When the pressing slider 317 moves to the top of the slide groove 316, the one-way ratchet 305 on the cleaning mechanism 30 contacts the cleaning slide rail 4. As the cleaning mechanism 30 moves, the one-way ratchet 305 rotates under the friction of the cleaning slide rail 4, and drives the driven toothed disc 314 to rotate, and then drives the driving disc 306 to rotate. 16 restricts the pressing slider 317 from moving upward, and the convex point 319 continues to apply pressure to the arc spring piece 318, thereby deforming the arc spring piece 318. Due to the deformation of the arc spring piece 318, relative movement occurs between the convex point 319 and the arc spring piece 318, and the convex point 319 continues to move upward and separates from the arc spring piece 318. At this time, the arc spring piece 318 and the pressing slider 317 move downward along the slide groove 316 under the action of their own gravity. When the driven gear plate 314 rotates one circle, the pressing slider 317 is inserted into the driven gear plate 314 again. In the side slot 315, restricted by the pressing slider 317, the driven gear disc 314 no longer rotates, and the driving disc 306 rotates one circle to push the two positioning racks 304 to make a reciprocating movement. The pressing slider 317 is lifted and lowered to be inserted into the slot 315 of the driven gear disc 314, limiting the rotation of the driven gear disc 314 coaxially arranged with the driving disc 306. After completing a reciprocating motion, the driven gear disc 314 can no longer rotate, thereby maintaining the cleaning spray rack 303 in the same initial position before and after cleaning.

[0062] Embodiment 6:

[0063] On the basis of Example 5, after the cleaning spray rack 303 completes a reciprocating motion, since the cleaning mechanism 30 continues to move, friction is still generated between the one-way ratchet 305 and the cleaning slide rail 4. At this time, since the top pressure slider 317 locks the driven gear plate 314, the one-way ratchet 305 cannot rotate, which will cause the rolling friction between the one-way ratchet 305 and the cleaning slide rail 4 to become sliding friction, thereby causing wear of the one-way ratchet 305. In order to avoid the above problems, as Figure 7 , Figure 8 , Fig. 9As shown, by setting a pressing spring 320 between the pressing slider 317 and the cleaning seat 301, the pressing spring 320 applies a downward thrust along the slide groove 316 to the pressing slider 317, and the driven toothed disc 314 is limited to move only along the axis direction of the support shaft through the keyway positioning. When the pressing slider 317 contacts the card slot 315, the driven toothed disc 314 is pushed to move toward the side of the driving disc 306. When the driven toothed disc 314 is located away from the driving disc 306, it meshes with the gear on the support shaft installed with the one-way ratchet 305.

[0064] A return spring 321 is provided between the driven toothed disc 314 and the driving disc 306, and the return spring 321 applies a force to the driven toothed disc 314 in a direction away from the driving disc 306;

[0065] When the driven toothed disc 314 rotates one circle, the pressing slider 317 enters the slot 315 on the driven toothed disc 314 and presses the driven toothed disc 314 toward the side of the driving disc 306 along the axial direction of the driven toothed disc 314, thereby moving the driven toothed disc 314 toward the side of the driving disc 306, causing the driven toothed disc 314 to separate from the gear on the support shaft where the one-way ratchet 305 is located. In this way, when the one-way ratchet 305 continues to rotate, it will not be restricted by the driven toothed disc 314, and the rolling friction between the one-way ratchet 305 and the cleaning slide rail 4 is still maintained, thereby preventing the one-way ratchet 305 from sliding and rubbing against the cleaning slide rail 4, thereby reducing the wear of the one-way ratchet 305. When the pressing slider 317 is separated from the slot 315, the driven toothed disc 314 is no longer squeezed by the pressing slider 317, and under the action of the reset spring 321, the driven toothed disc 314 is reset and meshes with the gear on the support shaft where the one-way ratchet 305 is located again, and transmission is performed between the two again.

[0066] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A plate filter press cleaning device, which is arranged on a filter press body with a plurality of filter press plates, with push plate slide rails arranged on both sides of the filter press body, a cleaning slide rail arranged on the upper part, and a discharge slide rail arranged on the lower part, characterized in that: The plate filter press cleaning device comprises: a plate pushing mechanism, a discharging mechanism, and a cleaning mechanism; The push plate mechanism includes a moving box, a push plate hook, a first limit block, a second limit block, a coordinated push rod, and a fourth limit block. The moving box is installed on the push plate slide rail, the first limit block and the second limit block are located at the upper part of the moving box, and the coordinated push rod and the fourth limit block are located at the lower part of the moving box; The straight line distance between the first limit block and the second limit block is parallel to the straight line distance between the coordinated lever and the fourth limit block, a plate hook is provided between the first limit block and the coordinated lever, and the plate hook is installed on the upper part of the moving box, the cleaning mechanism can move on the cleaning slide rail under the push of the first limit block and the second limit block, and the unloading mechanism can move on the unloading slide rail under the push of the coordinated lever and the fourth limit block; The first limit block is hollow inside, and a slide bar is installed in the first limit block. The slide bar pushes the lifting rod inside the first limit block to rise and fall through a connecting rod mechanism. A through slot is provided in the middle of the lifting rod. A transmission rod is slidably installed inside the moving box. When the lifting rod rises to the maximum, the transmission rod moves along the axial direction and can pass through the through slot. The other end of the transmission rod is hinged to a coordinated lever, and the middle part of the coordinated lever is hinged and installed on the moving box. A support seat is fixed inside the first limit block, a pressure ring is fixed on the slide bar, a top pressure spring is installed between the support seat and the pressure ring, and the top pressure spring pushes the pressure ring to move toward the second limit block.

2. A plate filter press cleaning device according to claim 1, characterized in that: The unloading mechanism includes a sludge cleaning and transporting conveyor belt, a unloading base, a receiving hopper, and a unloading paddle. The unloading base is slidably mounted on a unloading slide rail, the receiving hopper is mounted on the unloading base, the receiving hopper is located at the lower part of the filter press plate, the unloading paddle is fixedly mounted on the unloading base, and when the moving box moves, the unloading base can contact the cooperative lever, the sludge cleaning and transporting conveyor belt is arranged on one side of the filter press body, and the lower bucket mouth of the receiving hopper is located at the upper part of the sludge cleaning and transporting conveyor belt.

3. A plate filter press cleaning device according to claim 2, characterized in that: One side of the lower hopper opening of the receiving hopper is hingedly mounted on a discharging base, a buffer spring is arranged between the upper end of the receiving hopper and the receiving base, and a vibration motor is installed on the outer side wall of the receiving hopper.

4. A plate filter press cleaning device according to claim 1, characterized in that: The cleaning mechanism includes a cleaning seat, a water receiving trough, and a cleaning spray rack. Positioning racks are installed in pairs on both sides of the cleaning spray rack. The positioning racks are slidably installed on the cleaning seat. The positioning racks can move up and down on the cleaning seat. The water receiving trough is located directly below the filter press plate and is fixed on the filter press body.

5. A plate filter press cleaning device according to claim 4, characterized in that: Two limiting wheels are installed on the cleaning seat, and the limiting wheels are respectively engaged with a positioning rack. A limiting frame is slidably installed on the cleaning seat, and the limiting frame is located at the lower part of the two limiting wheels. The limiting rack is fixed on the limiting frame. The limiting frame pushes the limiting rack to move upward so that the limiting rack can engage with the two limiting wheels at the same time.

6. A plate filter press cleaning device according to claim 5, characterized in that: A transmission shaft is rotatably mounted on the cleaning seat, one end of the transmission shaft is fixedly connected to a cleaning torsion bar, when the cleaning seat moves, the lower end of the cleaning torsion bar can contact the sliding bar on the first limit block, and a cam is fixed to the other end of the transmission shaft, when the cleaning torsion bar swings, the cam pushes the limit frame to move upward.

7. A plate filter press cleaning device according to claim 5, characterized in that: A limit spring is installed on the cleaning seat, and the limit spring applies an upward thrust to the limit frame.

8. A plate filter press cleaning device according to claim 4, characterized in that: A baffle is fixedly mounted on the cleaning spray rack, and the baffle is parallel to the filter press plate.

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