Filter press filter screen convenient to replace

Abstract

The utility model discloses a filter press filter screen convenient to replace, relates to the field of filter press filter screens, improves the efficiency of mounting a fixing frame and filter screens, and comprises a fixing frame, clamping grooves are formed in the two sides of the interior of the fixing frame, the filter screens are clamped in the clamping grooves, and grooves are formed in the two sides of the fixing frame. A positioning bolt penetrates through the middle of the inner bottom wall of the groove in a threaded mode, the surface of the positioning bolt is in threaded connection with the interior of the filter screen, a positioning assembly penetrates through the two sides of the fixing frame in a threaded mode and comprises a screw, the surface of the screw penetrates through the two side walls in the fixing frame in a threaded mode, and one end of the screw is rotationally connected with an abutting block; a positioning plate penetrates through one side of the surface of the screw in a threaded mode, and the back face of the positioning plate is fixedly connected to the surface of the fixing frame. Through mutual cooperative use of the positioning assembly, the fixing frame and the filter screen, a person can place the fixing frame at a designated installation position, and then the abutting block is driven by the screw to abut against the two side walls of the installation position, so that the fixing frame is fixed.

Description

Technical Field

[0001] The utility model belongs to the technical field of filter screens for filter presses, in particular to a filter screen for filter presses which is convenient to replace. Background Art

[0002] The filter press is an intermittent solid-liquid separation equipment with good separation effect and wide adaptability. With the improvement of environmental protection requirements, filter presses are widely used in various industries. Its main structure consists of five parts: frame, hydraulic, filtration, electric control and filter plate moving device. The core working procedure is the filtration part, which consists of filter plate and filter cloth. It is the main body of solid-liquid separation. The filter plate is wrapped with filter cloth on both sides. During the use of the filter press, the filter screen often needs to be replaced.

[0003] For example, the utility model with the publication number CN217092236U discloses a filter plate of a filter press that is easy to replace, including a filter press body, a support column fixedly connected to the top of the filter press body, a thrust box fixedly connected to the top of the support column, a feed pipe fixedly connected to one side of the thrust box, a discharge pipe fixedly connected to one side of the thrust box, and a support beam fixedly connected to the front of the thrust box. The filter plate of the filter press that is easy to replace is provided with bolts, and the threaded holes are pulled out to disengage the bolts from the connecting plate, so that the connecting plate drives the filter plate body to disengage from the fixed plate, and the filter plate body is pulled out to disengage the filter plate body from the working box, so that the filter plate body is replaced, the replaced filter plate body is inserted into the corresponding position in the working box, and then the upper and lower bolts are inserted into the threaded holes, so that the bolts fix the filter plate body in the working box, thereby realizing the replacement and installation of the filter plate, and improving the working efficiency of the filter press.

[0004] Although this easily replaceable filter press filter plate has the advantages of convenient and timely replacement of the entire filter plate and quick installation, during the process of replacing the filter plate of the filter press, the filter plate is composed of several filter screens. Usually, personnel replace the filter plate as a whole, resulting in waste of some intact filter plates and increased costs. It is not easy to replace the filter plate alone. Therefore, in view of the above problems, a filter screen for a filter press that is easily replaceable is proposed. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In order to solve the problems raised in the above-mentioned background technology, the utility model provides a filter screen of a filter press that is easy to replace, which can solve the problem that during the process of replacing the filter plate of the filter press, the filter plate is composed of several filter screens, and personnel usually replace the filter plate as a whole, resulting in waste of some intact filter plates, increasing costs, and it is not easy to replace the filter plate alone.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a filter screen of a filter press that is easy to replace, comprising a fixed frame, both sides of the fixed frame are provided with clamping grooves, the filter screen is clamped inside the clamping grooves, both sides of the fixed frame are provided with grooves, the middle part of the bottom wall of the groove is threadedly penetrated by a positioning bolt, the surface of the positioning bolt is threadedly connected to the inside of the filter screen, and both sides of the fixed frame are threadedly penetrated by positioning components;

[0009] The positioning assembly comprises a screw rod, the surface threads of the screw rod penetrate through the two side walls inside the fixing frame, and one end of the screw rod is rotatably connected with an abutment block.

[0010] Preferably, a positioning plate is threadedly penetrated on one side of the surface of the screw rod, and the back side of the positioning plate is fixedly connected to the surface of the fixing frame.

[0011] Preferably, both sides of the front side of the fixing frame are provided with rivet grooves, and both sides of the back side of the fixing frame are fixedly connected with rivet blocks.

[0012] Preferably, the riveting block is matched with the riveting groove, and the other end of the screw rod is fixedly connected with a protrusion.

[0013] Preferably, an anti-oxidation layer for increasing the anti-oxidation property is attached to the outer surface of the fixing frame, and reinforcing ribs for strengthening are provided inside the fixing frame.

[0014] Preferably, a slot is provided on the front side of the abutment block, and an anti-slip pad is provided inside the slot.

[0015] (III) Beneficial effects

[0016] The beneficial effects of the utility model are as follows:

[0017] The utility model uses the positioning component, the fixing frame and the filter screen in coordination with each other, so that a person can place the fixing frame at a designated installation position, and then use a screw to drive the abutment block to abut the two side walls of the installation position, so that the fixing frame can be fixed, thereby facilitating the person to quickly install the fixing frame and the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the filter screen of the utility model;

[0022] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1, fixing frame; 2, filter screen; 3, positioning assembly; 31, screw; 32, resistance block; 4, positioning plate; 5, rivet block; 6, rivet groove; 7, protrusion; 8, anti-slip pad; 9, positioning bolt. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] Example 1

[0026] Reference Figures 1 to 4 As shown, the utility model provides a filter screen of a filter press that is easy to replace, including a fixed frame 1, both sides of the fixed frame 1 are provided with a clamping groove, the inside of the clamping groove is clamped with a filter screen 2, both sides of the fixed frame 1 are provided with a groove, the middle part of the bottom wall of the groove is threadedly penetrated by a positioning bolt 9, and the surface of the positioning bolt 9 is threadedly connected to the inside of the filter screen 2;

[0027] The two sides of the fixed frame 1 are threaded with positioning components 3, and the positioning components 3 include screw rods 31. The surface threads of the screw rods 31 penetrate the two side walls inside the fixed frame 1, and one end of the screw rods 31 is rotatably connected to a resistance block 32;

[0028] Specifically, a thread on one side of the surface of the screw rod 31 penetrates a positioning plate 4, the back of the positioning plate 4 is fixedly connected to the surface of the fixing frame 1, and a card slot is provided on the front of the abutment block 32, and an anti-slip pad 8 is provided inside the card slot;

[0029] Furthermore, when personnel need to install the fixed frame 1, the fixed frame 1 can be placed at the installation position, and then the screw 31 can be rotated to drive the resistance block 32 to resist the side walls of the installation position. Next, when personnel need to disassemble the fixed frame 1, the screw 31 can be reversed to drive the resistance block 32 to separate from the side walls of the installation position, thereby facilitating the personnel to quickly disassemble the fixed frame 1.

[0030] Example 2

[0031] Reference Figures 1 to 4As shown, it is a second embodiment of the utility model. This embodiment is based on the previous embodiment. Both sides of the front of the fixing frame 1 are provided with rivet grooves 6. Both sides of the back of the fixing frame 1 are fixedly connected with rivet blocks 5. The rivet blocks 5 are adapted to the rivet grooves 6. The other end of the screw rod 31 is fixedly connected with a protrusion 7.

[0032] Specifically, the outer surface of the fixing frame 1 is provided with an anti-oxidation layer for increasing the anti-oxidation property, and the interior of the fixing frame 1 is provided with reinforcing ribs for strengthening.

[0033] Furthermore, when personnel need to install the remaining fixed frames 1, they can use the rivet grooves 6 and the rivet blocks 5 to assemble several fixed frames 1 to each other, thereby facilitating personnel to quickly assemble the fixed frames 1. The anti-oxidation layer and the reinforcement ribs are provided to increase the service life of the fixed frames 1.

[0034] The working principle and use process of the utility model are as follows: when replacing and installing the filter screen of the filter press, the maintenance personnel can use the remaining rivet blocks 5 and the rivet grooves 6 to cooperate with each other in the fixing frame 1, assemble and connect the remaining fixing frames 1 to each other, and then place the assembled fixing frame 1 in the specified installation position, and turn the protrusion 7 to drive the screw 31 to rotate, and then the resistance block 32 cooperates with the anti-slip pad 8 to position and install the fixing frame 1 to the working position. Secondly, when the personnel need to disassemble, replace or clean the filter screen 2, the fixing frame 1 can be taken out from the working position, and then the personnel can use the positioning bolt 9 to disengage the filter screen 2 from the inside of the clamping groove, and then disassemble the filter screen 2 from the inside of the fixing frame 1, so as to facilitate the personnel to quickly replace the filter screen 2.

[0035] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A filter screen of a filter press that is easily replaceable, comprising a fixing frame (1), characterized in that: Both sides of the fixing frame (1) are provided with snap-fitting grooves, the filter screen (2) is snap-fitted inside the snap-fitting grooves, both sides of the fixing frame (1) are provided with grooves, a positioning bolt (9) is threadedly penetrated through the middle of the bottom wall of the groove, the surface of the positioning bolt (9) is threadedly connected to the inside of the filter screen (2), and positioning components (3) are threadedly penetrated through both sides of the fixing frame (1); The positioning assembly (3) comprises a screw rod (31), the surface threads of the screw rod (31) penetrate the two side walls inside the fixing frame (1), and one end of the screw rod (31) is rotatably connected to a resistance block (32).

2. The filter screen of the filter press that is easy to replace according to claim 1 is characterized in that: A positioning plate (4) is threadedly penetrated on one side of the surface of the screw rod (31), and the back side of the positioning plate (4) is fixedly connected to the surface of the fixing frame (1).

3. The filter screen of the filter press that is easy to replace according to claim 1 is characterized in that: Both sides of the front side of the fixing frame (1) are provided with rivet grooves (6), and both sides of the back side of the fixing frame (1) are fixedly connected with rivet blocks (5).

4. The filter screen of the filter press that is easy to replace according to claim 3 is characterized in that: The riveting block (5) is matched with the riveting groove (6), and the other end of the screw rod (31) is fixedly connected with a protrusion (7).

5. The filter screen of the filter press that is easy to replace according to claim 1 is characterized in that: The outer surface of the fixing frame (1) is provided with an anti-oxidation layer for increasing the anti-oxidation property, and the interior of the fixing frame (1) is provided with reinforcing ribs for reinforcement.

6. The filter screen of the filter press that is easy to replace according to claim 1 is characterized in that: A slot is provided on the front of the abutment block (32), and an anti-slip pad (8) is provided inside the slot.

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