Modular assembled large filter plate

Abstract

The present application relates to filter press equipment technical field, more specifically, it relates to a kind of modular assembly type large filter plate, the buckle assembly includes buckle, the buckle and support rod rotation connection, the buckle is provided with mortise and tenon strip, the mortise and tenon strip and cross support are connected, the buckle is threadedly connected with jacking bolt, when being fixed to support rod, mortise and tenon strip and cross support are connected and fixed, when being fixed, buckle and mortise and tenon strip are buckled and clamped, so that support rod can be buckled and fixed when being pushed and supported, in this process, jacking bolt is rotated, the position of buckle is stabilized, so as to improve the stability of equipment support, thereby improve the working efficiency of equipment.

Description

Technical Field

[0001] This invention relates to the field of filter press technology, and more specifically, to a modular, assembled large filter press plate. Background Technology

[0002] Filter press plates are crucial components in filter presses, forming filter chambers, bearing compression force, and working with filter cloth to achieve solid-liquid separation. In large-scale filter press equipment, the filter press plates are large in size, resulting in high costs for processing, transporting, and replacing individual plates. Furthermore, large filter press plates are prone to problems such as localized wear, edge cracking, central denting, or damage to the sealing surface after long-term operation under pressure. In existing technologies, large filter press plates mostly adopt an integral plate or integral frame structure. Once a local area is damaged, it is usually necessary to disassemble and repair the entire filter press plate or replace it entirely, resulting in long downtime and high maintenance costs.

[0003] First, existing large filter press plates have a large pressure area during use, and the central area of ​​the plate is prone to concave deformation due to repeated compression. Especially after the plate size increases, it is difficult to provide stable support for the central part of the plate by relying solely on the edge support, resulting in poor pressure stability of the equipment and thus affecting the service life of the filter press plates.

[0004] Secondly, existing large filter press plates are usually integral structures, and the corresponding parts cannot be replaced individually after partial damage, resulting in complicated maintenance procedures and high replacement costs. Even if a spliced ​​structure is adopted, problems such as misalignment, widening gaps and sealing failure can easily occur during the extrusion process due to inaccurate positioning at the splicing points and insufficient connection strength.

[0005] In addition, existing large filter press plates rely on manual tightening of bolts or fixing clips for installation and locking, which makes it difficult to distribute the locking force evenly, and the operation is time-consuming and labor-intensive with a low degree of automation. At the same time, the installation position and clamping width of different models of filter presses are different, and the compatibility of ordinary filter press plates is poor, resulting in low equipment versatility and low working efficiency. Summary of the Invention

[0006] To address the problems existing in the prior art, the present invention provides a modular assembled large filter press plate to solve the technical problem of high maintenance cost of large filter press plates mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a modular assembled large filter press plate, comprising: A frame, on which a working cavity is provided; The module mechanism is evenly installed on the working chamber. The module mechanism includes a module filter plate, which is fixedly clamped to the working chamber. A positioning plate is clamped between the module filter plates. A cross bracket is fitted inside the working chamber, and the cross bracket is fixedly clamped to the module filter plate. A support assembly is fixedly fastened to the module filter press plate. The support assembly includes a load-bearing base. A connecting hole is provided through the module filter press plate. The load-bearing base passes through the corresponding connecting hole and is fixedly fastened to the module filter press plate. A bidirectional lead screw is rotatably connected to the load-bearing base. A positioning frame is threadedly connected to the bidirectional lead screw. A connecting piece is hinged to the positioning frame. A support rod is hinged to the connecting piece. The support rod is fixedly fastened by a fastening assembly and a cross bracket. A drive assembly, which is uniformly mounted on the frame.

[0008] According to one or more embodiments of the present invention: the fastening assembly includes a buckle, the buckle is rotatably connected to a support rod, a tenon strip is fitted onto the buckle, the tenon strip is connected to a cross bracket, and a tightening bolt is threaded onto the buckle. When the support rod is fixed, the tenon strip and the cross bracket are connected and fixed. During fixing, the buckle and the tenon strip are fastened together, so that the support rod can be fastened and fixed when pushed and supported. In this process, the tightening bolt is rotated to stabilize the position of the buckle, thereby improving the stability of the equipment support and thus improving the working efficiency of the equipment.

[0009] According to one or more embodiments of the present invention: a slot is provided through the positioning plate and the module filter press plate, a positioning pin is fitted in the slot, a pin is slidably connected to the positioning pin, and a spring is fitted on the pin, one end of the spring being connected to one end of the positioning pin; when fixing the module filter press plate, the positioning pin is inserted into the slot to apply a lateral fixing constraint to the module filter press plate and the positioning plate; when fixing the positioning plate, the pin can be slidable within the slot under the push of the spring, thereby improving the stability of the equipment support and thus improving the working efficiency of the equipment.

[0010] According to one or more embodiments of the present invention: the drive assembly includes a worm gear, the worm gear and a bidirectional lead screw are fixedly mounted, a worm is meshed with the worm gear, the worm is rotatably connected to a frame, a first gear is provided at both ends of the worm, a second gear is meshed with the first gear, a base is rotatably connected to the second gear, the base is connected to the frame, a first motor is mounted on the base, and the output end of the first motor is connected to the second gear; when driving the equipment, the motor on the base is started to rotate, which drives the second gear to rotate. Through the meshing relationship between the second gear and the first gear, the worm is driven to rotate, and the rotation of the worm drives the worm gear to rotate accordingly, thereby driving the bidirectional lead screw, improving the automation level of the equipment, and thus improving the working efficiency of the equipment.

[0011] According to one or more embodiments of the present invention: a hinge rod is fitted into the connecting hole, and a fixing plate is hinged to the hinge rod; when the module filter plate is assembled, in order to prevent the edge from being sealed and to ensure stability, the hinge rod is inserted into the connecting hole and the fixing plate is used to connect and fix the hinge rod, thereby improving the stability of the equipment and thus improving the working efficiency of the equipment.

[0012] According to one or more embodiments of the present invention: an arc-shaped rod is rotatably connected to the support rod, and a fixing block is hinged to the arc-shaped rod; when the support rod rotates, the arc-shaped rod hinged to it rotates accordingly, and the fixing block limits the position of the arc-shaped rod, thereby improving the stability of the rotation of the support rod and thus improving the working efficiency of the equipment.

[0013] According to one or more embodiments of the present invention: a limiting block is clamped on the frame, a sealing frame is threadedly connected to the limiting block, and a limiting rod is clamped between the limiting blocks; when the frames are used together, in order to avoid damage caused by collision between the equipment, the sealing frames are clamped together by leaving an overflow portion between them. During this process, the sealing frame is fixed by the threaded connection between the limiting block and the sealing frame. During this process, the limiting rod is used to stabilize the equipment, thereby improving the stability of the equipment and thus improving the working efficiency of the equipment.

[0014] According to one or more embodiments of the present invention: a protective shell is provided on the frame; when protecting the equipment, the protective performance of the equipment is improved by adding a protective shell, thereby improving the working efficiency of the equipment.

[0015] According to one or more embodiments of the present invention: a guide groove is provided at the bottom end of the protective shell, a fixing buckle is slidably connected in the guide groove, a pin hole is provided through the fixing buckle and the guide groove, a positioning bolt is threadedly connected in the pin hole, and an adjusting bracket is slidably connected to the fixing buckle; when installing the filter press plate, the fixing buckle can be slidably moved in the guide groove to install the module. During this process, the positioning bolt is rotated to be threaded and tightened in the pin hole to fix the fixing block. During this process, the adjusting bracket is slidably adjusted and clamped to improve the adjustment performance of the equipment, thereby improving the working efficiency of the equipment.

[0016] According to one or more embodiments of the present invention: a base two is provided on the adjustment frame, a motor two is provided on the base two, and a screw is provided at the output end of the motor two. The screw is threadedly connected to the protective shell. When adjusting the adjustment frame, the motor two on the base two is started to rotate, and the motor two drives the screw to rotate. Through the threaded connection between the screw and the protective shell, the automation level of the equipment is improved, thereby improving the working efficiency of the equipment.

[0017] Compared with the prior art, the present invention provides a modular assembled large filter press plate, which has the following beneficial effects: 1. When assembling the equipment, it is connected and fixed to the frame through a cross bracket. During this process, the triangular modular filter plates are symmetrically placed and assembled. During assembly, the gaps between the modular filter plates are filled and fixed by the positioning plate. By modularizing the filter plates, the cost of equipment damage is reduced, the convenience of equipment maintenance is improved, and thus the working efficiency of the equipment is increased.

[0018] 2. When supporting the equipment, the module filter plate is clamped and fixed by the load-bearing base. During this process, the module filter plate is connected by a double-acting screw. By rotating the double-acting screw, the positioning frame connected to it can slide in opposite directions. During the sliding process, the positioning frame drives the support rod to push, so as to provide internal support for the module filter plate. During the pushing and supporting process, the support angle of the support rod is compensated and adjusted by the connecting piece to improve the stability of the equipment and thus improve the working efficiency of the equipment.

[0019] 3. When driving the equipment, the motor on the base is started to rotate, which drives the gear two to rotate. Through the meshing relationship between gear two and gear one, the worm gear is driven to rotate, and the rotation of the worm gear drives the worm wheel to rotate, thereby driving the bidirectional lead screw, improving the automation level of the equipment and thus improving the working efficiency of the equipment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of a modular assembled large filter press plate according to the present invention; Figure 2 This is an exploded structural diagram of a modular assembled large filter press according to the present invention; Figure 3 This is a schematic diagram of the connection structure between the protective shell and the fixing buckle of a modular assembled large filter press according to the present invention. Figure 4 This is a schematic diagram of the connection structure between the worm gear and the bidirectional lead screw of a modular assembled large filter press according to the present invention; Figure 5 This is a schematic diagram of the connection structure between the positioning plate and the modular filter plate of the present invention. Figure 6 This is a schematic diagram of the connection structure of the positioning pins and latches of a modular assembled large filter press according to the present invention. Figure 7 This is a schematic diagram of the connection structure of the frame and cross support of a modular assembled large filter press according to the present invention. Figure 8 This is a schematic diagram of the connection structure between the sealing frame and the limiting block of a modular assembled large filter press according to the present invention; Figure 9 This is a schematic diagram of the connection structure between the arc-shaped rod and the fixing block of a modular assembled large filter press according to the present invention.

[0021] In the diagram: 1. Frame; 2. Working chamber; 3. Module filter plate; 4. Positioning plate; 5. Cross bracket; 6. Load-bearing seat; 7. Connecting hole; 8. Two-way lead screw; 9. Positioning frame; 10. Connecting piece; 100. Support rod; 11. Buckle; 12. Tenon strip; 13. Tightening bolt; 14. Slot; 15. Positioning pin; 16. Insert pin; 17. Spring; 18. Worm gear; 19. Worm; 20. Gear 1; 21. Gear 2; 22. Machine base 1; 23. Motor 1; 24. Hinge rod; 25. Fixing piece; 26. Arc rod; 27. Fixing block; 28. Limiting block; 29. ​​Sealing frame; 30. Limiting rod; 31. Protective shell; 32. Guide groove; 33. Fixing buckle; 34. Pin hole; 35. Positioning bolt; 36. Adjusting frame; 37. Machine base 2; 38. Motor 2; 39. Screw. Detailed Implementation

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0024] In this invention, unless otherwise stated, the directional terms such as "up" and "down" generally refer to the directions shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" generally refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not intended to limit this invention.

[0025] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

[0026] The core of this invention is to provide a modular assembly large filter press plate, which can be quickly maintained by plugging and unplugging the modular filter press plate 3, and will not have the problem of poor stability.

[0027] Please see Figure 1-9 In a first specific embodiment, the present invention provides a modular assembled large filter press plate, including a frame 1, on which a working chamber 2 is provided; The module mechanism is evenly installed on the working chamber 2. The module mechanism includes a module filter plate 3. The module filter plate 3 and the working chamber 2 are fixedly clamped together. A positioning plate 4 is clamped between the module filter plates 3. A cross bracket 5 is installed inside the working chamber 2. The cross bracket 5 and the module filter plate 3 are fixedly clamped together. A support assembly is fixedly fastened to the module filter press plate 3. The support assembly includes a load-bearing base 6. A connecting hole 7 is provided through the module filter press plate 3. The load-bearing base 6 passes through the corresponding connecting hole 7 and is fixedly fastened to the module filter press plate 3. A bidirectional lead screw 8 is rotatably connected to the load-bearing base 6. A positioning frame 9 is threadedly connected to the bidirectional lead screw 8. A connecting piece 10 is hinged to the positioning frame 9. A support rod 100 is hinged to the connecting piece 10. The support rod 100 is fixedly fastened to the module filter press plate 3 by a fastening assembly and a cross bracket 5. A drive assembly is evenly mounted on the frame 1.

[0028] When assembling the equipment in a modular fashion, a cross-shaped bracket 5 is used to connect and fix the triangular module filter press plates 3 to the frame 1, and they are arranged in a symmetrical assembly manner. During the assembly process, positioning plates 4 are used to fill the gaps between the module filter press plates 3 to achieve stable positioning. By designing the filter press plates as a modular structure, not only is the replacement cost when a single component is damaged effectively reduced, but the ease of maintenance of the equipment is also significantly improved, thereby improving the overall operating efficiency.

[0029] In the equipment support stage, the load-bearing base 6 clamps and fixes the module filter press plate 3, and the linkage between the modules is achieved through the bidirectional lead screw 8. During operation, rotating the bidirectional lead screw 8 drives the positioning frame 9, which is threaded with it, to slide in the opposite direction. The positioning frame 9 then pushes the support rod 100 outward, forming internal support for the module filter press plate 3. During the support advancement process, the connecting piece 10 can compensate for the angle of the support rod 100 to ensure uniform distribution of support force, thereby enhancing the overall stability of the equipment and further improving work efficiency.

[0030] The existing filter press plate processing uses an integrated design, which leads to high replacement costs when damaged.

[0031] This application discloses a modular assembly-type large filter press plate, which modularizes the equipment by adding a modular filter press plate 3 and a positioning plate 4, thereby solving the aforementioned problem of high maintenance costs.

[0032] Please see Figure 2 and Figure 7 As one embodiment of a modular assembled large filter press: the fastening assembly includes a buckle 11, which is rotatably connected to a support rod 100. A tenon strip 12 is fitted onto the buckle 11, which is connected to a cross bracket 5. A tightening bolt 13 is threaded onto the buckle 11.

[0033] Specifically, when fixing the support rod 100, the tenon strip 12 and the cross bracket 5 are connected and fixed. During fixing, the buckle 11 and the tenon strip 12 are fastened and locked so that the support rod 100 can be fastened and fixed when it is pushed and supported. During this process, the top bolt 13 is rotated to stabilize the position of the buckle 11.

[0034] Please see Figure 6 As one embodiment of a modular assembled large filter press plate: the positioning plate 4 and the module filter press plate 3 are provided with a slot 14, a positioning pin 15 is installed in the slot 14, a pin 16 is slidably connected to the positioning pin 15, a spring 17 is fitted on the pin 16, and one end of the spring 17 is connected to one end of the positioning pin 15.

[0035] Specifically, when fixing the module filter plate 3, the positioning pin 15 is inserted into the slot 14 to apply a lateral fixing constraint to the module filter plate 3 and the positioning plate 4. When fixing the positioning plate 4, the sliding pin 16 can be used to make it slide in the slot 14 under the push of the spring 17.

[0036] Please see Figure 4As one embodiment of a modular assembled large filter press plate: the drive assembly includes a worm gear 18, which is fixedly mounted with a bidirectional lead screw 8. The worm gear 18 is meshed with a worm 19, which is rotatably connected to a frame 1. Gear 10 is provided at both ends of the worm 19, and gear 21 is meshed with the gear 10. A base 22 is rotatably connected to the gear 21, and the base 22 is connected to the frame 1. A motor 23 is provided on the base 22, and the output end of the motor 23 is connected to the gear 21.

[0037] Specifically, when driving the equipment, the motor on the base 22 is started to rotate, which drives the gear 21 to rotate. Through the meshing relationship between the gear 21 and the gear 20, the worm 19 is driven to rotate. The rotation of the worm 19 drives the worm wheel 18 to rotate, thereby driving the bidirectional lead screw 8.

[0038] Please see Figures 1-9 As one embodiment of a modular assembled large filter press plate: a hinge rod 24 is fitted inside the connecting hole 7, and a fixing piece 25 is hinged on the hinge rod 24.

[0039] Specifically, when the module filter plate 3 is assembled, in order to prevent the edge from being sealed and to ensure stability, the hinge rod 24 is inserted into the connection hole 7, and the hinge rod 24 is connected and fixed with the fixing piece 25.

[0040] Please see Figure 9 As one embodiment of a modular assembled large filter press: an arc-shaped rod 26 is rotatably connected to the support rod 100, and a fixing block 27 is hinged on the arc-shaped rod 26.

[0041] Specifically, when the support rod 100 rotates, the arc-shaped rod 26 hinged to it rotates accordingly, and the position of the arc-shaped rod 26 is limited by the fixing block 27, thereby improving the stability of the rotation of the support rod 100.

[0042] Please see Figures 1-9 As one embodiment of a modular assembled large filter press: a limiting block 28 is clamped on the frame 1, a sealing frame 29 is threadedly connected to the limiting block 28, and a limiting rod 30 is clamped between the limiting blocks 28.

[0043] Specifically, when the frames 1 are used together, in order to avoid damage caused by collision between the equipment, the sealing frames 29 are joined by leaving an overflow portion between them. During this process, the sealing frames 29 are fixed by threaded connection between the limiting block 28 and the sealing frame 29. During this process, the limiting rod 30 is used to stabilize the equipment.

[0044] Please see Figures 1-9 As one embodiment of a modular assembled large filter press: a protective shell 31 is provided on the frame 1.

[0045] Specifically, when protecting the equipment, the protective performance of the equipment is improved by adding a protective shell 31.

[0046] Please see Figures 1-9 As one embodiment of a modular assembled large filter press: the bottom end of the protective shell 31 is provided with a guide groove 32, a fixing buckle 33 is slidably connected in the guide groove 32, a pin hole 34 is provided through the fixing buckle 33 and the guide groove 32, a positioning bolt 35 is threaded in the pin hole 34, and an adjustment bracket 36 is slidably connected on the fixing buckle 33.

[0047] Specifically, when installing the filter press plate, the sliding fixing buckle 33 can be used to make it slide in the guide groove 32 to install the module. During this process, the positioning bolt 35 is rotated to tighten the thread in the pin hole 34 to fix the fixing block 27. During this process, the sliding adjustment bracket 36 is used for adjustment and clamping.

[0048] Please see Figures 1-9 As one embodiment of a modular assembled large filter press plate: the adjusting frame 36 is equipped with a base 37, the base 37 is equipped with a motor 38, the output end of the motor 38 is equipped with a screw 39, and the screw 39 is threadedly connected to the protective shell 31.

[0049] Specifically, when adjusting the adjustment frame 36, the motor 38 on the base 37 is started to rotate, and the screw 39 is rotated by the motor 38. The screw 39 and the protective shell 31 are connected by threads to improve the automation level of the equipment.

[0050] In summary, when using the overall equipment: When assembling the equipment, it is connected and fixed to the frame 1 via the cross bracket 5. During this process, the triangular modular filter press plates 3 are symmetrically arranged and assembled. During assembly, the gaps in the modular filter press plates 3 are filled and fixed using the positioning plate 4. By modularizing the filter press plates, the cost in case of equipment damage is reduced. When fixing the modular filter press plates 3, the positioning pin 15 is inserted into the slot 14 to provide a lateral fixation for the modular filter press plates 3 and the positioning plate 4. When fixing the positioning plate 4, it can be fixed by sliding the pin 16. The spring 17 pushes the device to slide within the slot 14. When the filter press plates 3 are assembled, to prevent edge sealing and ensure stability, the hinge rod 24 is inserted into the connection hole 7 and fixed with the fixing plate 25. When the frames 1 are assembled, to avoid damage caused by collisions between the equipment, the sealing frames 29 are assembled with an overflow portion. During this process, the sealing frames 29 are fixed by threaded connection between the limiting block 28 and the sealing frame 29. During this process, the limiting rod 30 is used to stabilize the equipment.

[0051] When supporting the equipment, the module filter plate 3 is clamped and fixed by the load-bearing base 6. During this process, the module filter plate 3 is connected by the bidirectional lead screw 8. Rotating the bidirectional lead screw 8 causes the threadedly connected positioning frame 9 to slide in opposite directions. During this sliding process, the positioning frame 9 drives the support rod 100 to push, providing internal support for the module filter plate 3. During the pushing and supporting process, the support angle of the support rod 100 is compensated and adjusted by the connecting piece 10. When fixing the support rod 100, the tenon strip 12 and the cross bracket 5 are connected and fixed. During fixing, the buckle 11 and the tenon strip 12 are fastened and engaged, allowing the support rod 100 to push and support. During the fastening and fixing process, the top bolt 13 is rotated to stabilize the position of the buckle 11. When the support rod 100 rotates, the arc rod 26 hinged to it rotates accordingly. The fixed block 27 limits the position of the arc rod 26 to improve the stability of the rotation of the support rod 100. When protecting the equipment, the protective shell 31 is added to improve the protective performance of the equipment. When installing the filter press plate, the sliding fixing buckle 33 can be used to make it slide in the guide groove 32. The module is installed by sliding. During this process, the positioning bolt 35 is rotated to tighten the thread in the pin hole 34 to fix the fixed block 27. During this process, the sliding adjustment frame 36 is adjusted and clamped.

[0052] When driving the equipment, the motor on the base 22 is started to rotate, which drives the gear 21 to rotate. Through the meshing relationship between the gear 21 and the gear 20, the worm 19 is driven to rotate. The rotation of the worm 19 drives the worm wheel 18 to rotate, thereby driving the bidirectional lead screw 8. When adjusting the adjustment frame 36, the motor 38 on the base 37 is started to rotate, which drives the screw 39 to rotate. The screw 39 is connected to the protective shell 31 by a thread.

[0053] In all the solutions mentioned above, for connections between two components, welding, bolt and nut connection, bolt or screw connection, or other known connection methods can be selected according to the actual situation. These will not be elaborated here. For all fixed connections mentioned above, welding is preferred. The above are merely preferred embodiments of this application and are not intended to limit the invention. Although this application has been described in detail with reference to examples, those skilled in the art can still modify the technical solutions described in the foregoing examples or make equivalent substitutions for some of the technical features. However, any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A modular, assembled large-scale filter press plate, characterized in that: include: A frame (1) is provided with a working cavity (2); The module mechanism is evenly installed on the working chamber (2). The module mechanism includes a module filter plate (3). The module filter plate (3) and the working chamber (2) are fixedly clamped. A positioning plate (4) is clamped between the module filter plates (3). A cross bracket (5) is installed inside the working chamber (2). The cross bracket (5) and the module filter plate (3) are fixedly clamped. A support assembly is fixedly fastened to the module filter press plate (3). The support assembly includes a load-bearing seat (6). A connecting hole (7) is provided through the module filter press plate (3). The load-bearing seat (6) passes through the corresponding connecting hole (7) and is fixedly fastened to the module filter press plate (3). A bidirectional screw (8) is rotatably connected to the load-bearing seat (6). A positioning frame (9) is threadedly connected to the bidirectional screw (8). A connecting piece (10) is hinged on the positioning frame (9). A support rod (100) is hinged on the connecting piece (10). The support rod (100) is fixedly fastened by a fastening assembly and a cross bracket (5). The drive components are uniformly mounted on the frame (1).

2. The modular assembled large filter press plate according to claim 1, characterized in that: The fastening assembly includes a buckle (11), which is rotatably connected to a support rod (100). A tenon strip (12) is fitted onto the buckle (11), which is connected to a cross bracket (5). A tightening bolt (13) is threaded onto the buckle (11).

3. A modular assembled large filter press plate according to claim 1, characterized in that: The positioning plate (4) and the module filter plate (3) are provided with a slot (14), a positioning pin (15) is installed in the slot (14), a pin (16) is slidably connected to the positioning pin (15), a spring (17) is fitted on the pin (16), and one end of the spring (17) is connected to one end of the positioning pin (15).

4. A modular assembled large filter press plate according to claim 1, characterized in that: The drive assembly includes a worm gear (18), which is fixedly fitted with a two-way lead screw (8). The worm gear (18) is meshed with a worm (19), which is rotatably connected to the frame (1). Gear 1 (20) is provided at both ends of the worm (19), and gear 2 (21) is meshed with the gear 1 (20). A base 1 (22) is rotatably connected to the gear 2 (21), and the base 1 (22) is connected to the frame (1). A motor 1 (23) is provided on the base 1 (22), and the output end of the motor 1 (23) is connected to the gear 2 (21).

5. A modular assembled large filter press plate according to claim 1, characterized in that: A hinge rod (24) is fitted inside the connecting hole (7), and a fixing piece (25) is hinged on the hinge rod (24).

6. A modular assembled large filter press plate according to any one of claims 1-5, characterized in that: An arc-shaped rod (26) is rotatably connected to the support rod (100), and a fixing block (27) is hinged on the arc-shaped rod (26).

7. A modular assembled large filter press plate according to claim 1, characterized in that: Limiting blocks (28) are fitted onto the frame (1), and sealing frames (29) are threaded onto the limiting blocks (28). Limiting rods (30) are fitted between the limiting blocks (28).

8. A modular assembled large filter press plate according to claim 7, characterized in that: A protective shell (31) is provided on the frame (1).

9. A modular assembled large filter press plate according to claim 8, characterized in that: The bottom end of the protective shell (31) is provided with a guide groove (32), and a fixing buckle (33) is slidably connected in the guide groove (32). A pin hole (34) is provided through the fixing buckle (33) and the guide groove (32). A positioning bolt (35) is threadedly connected in the pin hole (34). An adjustment bracket (36) is slidably connected on the fixing buckle (33).

10. A modular assembled large filter press plate according to claim 9, characterized in that: The adjustment frame (36) is equipped with a base two (37), and the base two (37) is equipped with a motor two (38). The output end of the motor two (38) is equipped with a screw (39), and the screw (39) and the protective shell (31) are threadedly connected.

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