Filter press convenient for replacing filter cloth

Abstract

The utility model belongs to the field of filter presses, and particularly relates to a filter press with filter cloth convenient to replace, which comprises a filter pressing plate, a clamping device and the filter cloth, the filter pressing plate is detachably connected with the clamping device, the clamping device is fixedly connected with the filter cloth, the filter cloth is fixed on the outer surface of the filter plate through the clamping device, and the filter cloth is fixed on the outer surface of the filter plate through the clamping device. A plurality of filter pressing plates are arranged on the filter press and have the same structure; according to the device, the filter cloth can be conveniently clamped and sleeved on the filter pressing plate through the clamping device, the filter pressing plate does not need to be disassembled, a plurality of workers do not need to climb on the machine to bind the filter cloth, and the safety of the workers is also improved while the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of filter presses, in particular to a filter press with convenient filter cloth replacement. Background Art

[0002] A filter press is a mechanical device that uses a special filter medium to apply pressure to a liquid, allowing it to seep out. It is a commonly used solid-liquid separation device. It was first used in chemical production in the early 18th century and is still widely used in industries such as chemicals, pharmaceuticals, metallurgy, dyes, food, brewing, ceramics, and environmental protection.

[0003] The filter plates offer stable performance, easy operation, safety, and labor-saving features. The metal press cylinder is made of seamless steel pipe and precision-cast plastic-steel filter plates, making it resistant to high temperatures and high pressures and durable. The filter plates are covered with filter cloth, which needs to be replaced after a certain number of uses. Existing methods for replacing filter cloths are cumbersome, requiring the filter plates to be lifted and placed in an open area by a crane before replacement, or requiring two or more people to climb on the machine to perform the replacement, which is dangerous and inefficient.

[0004] In view of the above problems, a filter press is designed to facilitate the replacement of filter cloth. Utility Model Content

[0005] The utility model aims to solve the above-mentioned problems and specifically designs a filter press which is convenient for replacing filter cloth. The device can conveniently clamp the filter cloth on the filter plate through the clamping device. There is no need to disassemble the filter plate or multiple workers climbing on the machine to tie the filter cloth, which improves efficiency and also improves the safety of the workers.

[0006] To achieve the above-mentioned purpose, the utility model provides a filter press for convenient replacement of filter cloth, comprising: a filter press plate, a clamping device and a filter cloth, the filter press plate being detachably connected to the clamping device, the clamping device being fixedly connected to the filter cloth, the filter cloth being fixed to the outer surface of the filter plate through the clamping device, and a plurality of the filter press plates being provided on the filter press, and the plurality of the filter press plates having the same structure.

[0007] In the above manner, the clamping device can clamp the filter cloth on the filter press plate. The filter cloth and the clamping device are fixedly connected. The handheld clamping device is placed on the filter press plate. The top and bottom of the clamping device are aligned with the top and bottom of the filter press plate respectively to complete the fixation.

[0008] Furthermore, the clamping device includes a main frame, a sub-frame, and a connecting plate. The main frame and sub-frame each have two, and the ends of the main frame and sub-frame are rotatably connected. The ends of the two main frames are fixedly connected by the connecting plate. The connecting plate is placed on the upper portion of the filter press plate, and the filter cloth is fixed to the outer surface of the filter press plate via the main frame and sub-frame. The main frame and sub-frame respectively clamp the ends of the filter cloth, and the connecting plate also presses the filter cloth against the filter press plate at the top.

[0009] Furthermore, a positioning pin is provided on the top of the filter press plate, and there are two positioning pins, which are fixedly connected to the two ends of the top of the filter press plate respectively.

[0010] Furthermore, the clamping device also includes a positioning notch, which is provided on the connecting plate and is cooperatively connected with the positioning pin.

[0011] By adopting the above method, when installing the clamping device, the device can be positioned by the positioning notch and the positioning pin, which can achieve a better installation effect of the filter cloth.

[0012] Furthermore, a mounting groove is provided on the filter press plate, the mounting groove is located on the side of the filter press plate, and the main frame and the sub-frame are placed in the mounting groove.

[0013] Furthermore, the clamping device also includes a fastening plate, and the lower ends of the two main frames are fixedly connected via the fastening plate, and the lower ends of the two sub-frames are fixedly connected via the fastening plate.

[0014] Furthermore, the clamping device also includes: an elastic member, a connecting column and a baffle, the connecting column is fixedly connected to the fastening plate, the bottom of the main frame and the sub-frame are connected to the fastening plate through the connecting column, the baffle is fixedly connected to one end of the connecting column away from the fastening plate, the elastic member is sleeved on the connecting column, and the elastic member is located below the baffle and inside the main frame and the sub-frame.

[0015] In the above manner, after the clamping device is aligned with the top of the filter press plate, the bottom can also clamp the fixing plate to the bottom of the filter plate through the deformation effect of the elastic member, and the fixing plate simultaneously fixes the filter cloth at the bottom.

[0016] In summary, the present invention has the following advantages and beneficial technical effects:

[0017] 1. The utility model provides a filter press that is convenient for replacing filter cloth. The filter cloth can be conveniently disassembled and installed. There is no need to use a crane to lift the filter plate, which improves efficiency and reduces the danger of workers during work. At most two workers are needed to quickly install the device, which can save manpower. At the same time, the device has a simple structure, low manufacturing cost and easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a structural schematic diagram of a filter press that is convenient for replacing filter cloth in the utility model;

[0020] Figure 2 This is a structural schematic diagram of a filter press with filter cloth removed for easy replacement of filter cloth according to the utility model;

[0021] Figure 3 This is a structural schematic diagram of a filter press clamping device for convenient replacement of filter cloth according to the utility model;

[0022] Figure 4 This is a side view of a clamping device for a filter press that facilitates replacement of filter cloth according to the utility model;

[0023] Figure 5 This utility model Figure 4 A magnified view of the middle panel.

[0024] The reference numerals in the accompanying drawings are:

[0025] 1- filter press plate; 11- mounting slot;

[0026] 2-clamping device; 21-main frame; 22-sub-frame; 23-connecting plate; 24-positioning notch; 25-fastening plate; 26-elastic member; 27-connecting column; 28-baffle;

[0027] 3-Location pin; 4-Filter cloth. DETAILED DESCRIPTION

[0028] The following is combined with Figure 1-Figure 5 The present invention will be further described in detail. Examples of embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of this utility model, unless otherwise expressly specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, mechanical or electrical connections, direct or indirect connections through an intermediate medium, and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0030] In the description of this embodiment, the terms "upper," "lower," "right," and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely for ease of description and simplified operation. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0031] like Figure 1 and Figure 2 As shown, it includes: a filter press plate 1, a clamping device 2 and a filter cloth 4. The filter press plate 1 is detachably connected to the clamping device 2. The clamping device 2 and the filter cloth 4 are fixedly connected by an adhesive such as glue. The filter cloth 4 is fixed to the outer surface of the filter plate 1 through the clamping device 2. A plurality of filter press plates 1 are provided on the filter press, and the plurality of filter press plates 1 have the same structure.

[0032] like Figure 3 and Figure 4 As shown, the clamping device 2 includes a main frame 21, a sub-frame 22 and a connecting plate 23. There are two main frames 21 and two sub-frames 22. The top ends of the main frames 21 and the sub-frames 22 are hinged. The ends of the two main frames 21 are welded and fixed by connecting plates 23. The connecting plates 23 are placed on the upper part of the filter press plate 1, and the filter cloth 4 is fixed to the outer surface of the filter press plate 1 through the main frame 21 and the sub-frame 22.

[0033] like Figure 3 and Figure 4 As shown, the top of the filter press plate 1 is provided with two positioning pins 3 by welding or bolt connection, and the two positioning pins 3 are fixedly connected to the two ends of the top of the filter press plate 1. The clamping device 2 also includes a positioning notch 24, which is provided on the connecting plate 23 and is mated with the positioning pins 3.

[0034] like Figure 3 and Figure 4 As shown, a mounting groove 11 is provided on the filter press plate 1, and the mounting groove 11 is located on the side of the filter press plate 1. The main frame 21 and the sub-frame 22 are placed in the mounting groove 11. The main frame 21 and the sub-frame 22 press the filter cloth 4 in the mounting groove 11 to form a fixed effect.

[0035] like Figure 3 、 Figure 4 and Figure 5 As shown, the clamping device 2 further includes a fastening plate 25, through which the lower ends of the two main frames 21 are fixedly connected, and the lower ends of the two sub-frames 22 are fixedly connected. The clamping device 2 further includes: an elastic member 26, a connecting column 27, and a baffle 28. The connecting column 27 is fixed to the fastening plate 25 by bolts, and the bottoms of the main frame 21 and the sub-frame 22 are both connected to the fastening plate 25 by the connecting column 27. The end of the connecting column 27 away from the fastening plate 25 is fixedly connected to the baffle 28 by bolts. The elastic member 26 is sleeved on the connecting column 27, and the elastic member 26 is located below the baffle 28 and inside the main frame 21 and the sub-frame 22. The elastic member 26 is clamped inside the frame.

[0036] The working principle of the filter press with convenient filter cloth replacement in the utility model is as follows:

[0037] The filter cloth 4 is glued to the inner side of the main frame 21 and the sub-frame 22 by an adhesive. The tops of the two frames are hinged and opened at a certain angle. Then the clamping device 2 is sleeved on the filter press plate 1 from the top. After positioning through the locating pins 3 and the positioning notches 24, the two frames are placed in the mounting groove 11, and then the fastening plate 25 is pulled down. Finally, through the deformation recovery ability of the elastic member 26, the fastening plate 25 fixes the bottom filter cloth to the bottom of the filter press plate 1. When replacement is required, first pull open the bottom fastening plate 25, and then open the two frames at a certain angle, then the clamping device 2 can be taken out from the top, and after gluing the new filter cloth 4, it can be installed again to complete the replacement of the filter cloth.

[0038] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A filter press for convenient replacement of filter cloth, characterized in that: include: A filter press plate (1), a clamping device (2) and a filter cloth (4), wherein the filter press plate (1) is detachably connected to the clamping device (2), the clamping device (2) is fixedly connected to the filter cloth (4), and the filter cloth (4) is fixed to the outer surface of the filter plate (1) via the clamping device (2). A plurality of the filter press plates (1) are provided on the filter press, and the plurality of the filter press plates (1) have the same structure.

2. A filter press for convenient replacement of filter cloth according to claim 1, characterized in that: The clamping device (2) comprises a main frame (21), a sub-frame (22) and a connecting plate (23), wherein the main frame (21) and the sub-frame (22) are both provided with two, the ends of the main frame (21) and the sub-frame (22) are rotatably connected, the ends of the two main frames (21) are fixedly connected via the connecting plate (23), the connecting plate (23) is placed on the upper part of the filter press plate (1), and the filter cloth (4) is fixed to the outer surface of the filter press plate (1) via the main frame (21) and the sub-frame (22).

3. A filter press for convenient filter cloth replacement according to claim 2, characterized in that: A positioning pin (3) is provided on the top of the filter press plate (1), and there are two positioning pins (3), and the two positioning pins (3) are respectively fixedly connected to the two ends of the top of the filter press plate (1).

4. A filter press for convenient replacement of filter cloth according to claim 3, characterized in that: The clamping device (2) further comprises a positioning notch (24), wherein the positioning notch (24) is provided on the connecting plate (23), and the positioning notch (24) is cooperatively connected with the positioning pin (3).

5. The filter press for convenient filter cloth replacement according to claim 2, characterized in that: The filter press plate (1) is provided with a mounting groove (11), the mounting groove (11) being located on a side of the filter press plate (1), and the main frame (21) and the sub-frame (22) being placed in the mounting groove (11).

6. The filter press for convenient filter cloth replacement according to claim 2, characterized in that: The clamping device (2) further comprises a fastening plate (25), the lower ends of the two main frames (21) being fixedly connected via the fastening plate (25), and the lower ends of the two sub-frames (22) being fixedly connected via the fastening plate (25).

7. A filter press for convenient filter cloth replacement according to claim 6, characterized in that: The clamping device (2) further comprises: an elastic member (26), a connecting column (27) and a baffle (28); the connecting column (27) is fixedly connected to the fastening plate (25); the bottoms of the main frame (21) and the sub-frame (22) are connected to the fastening plate (25) via the connecting column (27); one end of the connecting column (27) away from the fastening plate (25) is fixedly connected to the baffle (28); the elastic member (26) is sleeved on the connecting column (27); the elastic member (26) is located below the baffle (28) and inside the main frame (21) and the sub-frame (22).

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