A disc screen

Abstract

The present application provides a disc screen, which comprises a first support plate, a second support plate arranged opposite to the first support plate, a plurality of discs installed between the first support plate and the second support plate through rolling shafts, and at least one cloth assembly, one end of each cloth assembly of the at least one cloth assembly being movably connected with the first support plate and the other end being movably connected with the second support plate, and each cloth assembly having a distance with a preset height from a screen surface formed by the plurality of discs, the at least one cloth assembly dispersing materials on the screen surface when the disc screen is conveying materials, so as to improve the screening efficiency of the materials.

Description

Technical Field

[0001] This invention relates to the field of material screening technology, and in particular to a disc screen. Background Technology

[0002] Most disc screens on the market consist of discs threaded onto shafts with a certain distance between them. These shafts are then arranged longitudinally and rotated together to form a screen surface composed of discs. The material rolls on the screen surface, and when it passes through the gaps between the discs, small-sized materials fall below the screen surface, while large-sized materials are conveyed outside the screen surface as the discs rotate, thus achieving the function of screening materials by size.

[0003] The aforementioned disc screen requires a relatively low layer thickness of material to achieve better screening efficiency. When the material layer is slightly thicker, only the material in the lower layer is effectively screened. Furthermore, when the conveyed material has low density and exhibits adhesion, forming clumps that are difficult to disperse, screening becomes even more challenging. Limited by the disc screen's length (to control its footprint) and minimum conveying speed (to ensure throughput), the screen surface lacks sufficient time and length to disperse the material. A significant portion of small-sized material is conveyed along the screen surface to the disc screen outlet, resulting in low screening efficiency. Unless the screen length is significantly increased (which would increase footprint and equipment investment), simply altering screen parameters such as rotational speed, shaft disc dimensions, or layout (e.g., adjusting screen angle or stepped arrangement) cannot significantly improve screening efficiency. A large amount of qualified material is mixed with larger-sized material, entering the pile of unqualified oversized material, which cannot be effectively screened, reducing the output of qualified small-sized material and the overall effective throughput of the machine. Summary of the Invention

[0004] This invention provides a disc screen to solve the problem of low screening efficiency for small-sized materials and low overall throughput of the machine caused by the limited length of the disc screen in the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0006] A disc sieve, comprising:

[0007] First support plate;

[0008] A second support plate is disposed opposite to the first support plate;

[0009] Multiple discs are mounted between the first support plate and the second support plate via a rolling shaft;

[0010] At least one fabric assembly, one end of each fabric assembly is movably connected to the first support plate and the other end is movably connected to the second support plate, each fabric assembly has a preset height distance from the screen surface formed by the plurality of discs, and the at least one fabric assembly disperses the material on the screen surface when the disc screen transports material.

[0011] Optionally, each fabric component includes:

[0012] A support element, one end of which is movably connected to the first support plate and the other end of which is movably connected to the second support plate;

[0013] Multiple fabric elements are movably connected to the support element and suspended above the screen surface;

[0014] When the disc screen is conveying materials, the end of the cloth element near the screen surface swings along the running direction of the materials to disturb and disperse the materials on the screen surface.

[0015] Optionally, each of the plurality of fabric elements is axially positioned in the support element by a positioning element.

[0016] Optionally, the upper part of the fabric element has an ear hole for the support element to pass through, and the fabric element has multiple counterweight mounting holes.

[0017] Optionally, when at least one of the fabric components comprises two or more fabric components, at least two of the fabric components are arranged sequentially between the first support plate and the second support plate.

[0018] Optionally, the fabric elements in at least two of the fabric assemblies are of the same length, and the support elements in at least two of the fabric assemblies are arranged in descending order of height from the screen surface in the direction from the material inlet to the material outlet of the disc screen.

[0019] Optionally, the lengths of the fabric elements in at least two of the fabric assemblies are different, the heights of the support elements in at least two of the fabric assemblies from the screen surface are the same, and the lengths of the fabric elements on the support elements in adjacent fabric assemblies are progressively increased from the material infeed direction to the material discharge direction of the disc screen.

[0020] Optionally, in at least two of the fabric assemblies, the fabric element groups in adjacent fabric assemblies are arranged alternately.

[0021] Optionally, the disc screen further includes:

[0022] A height adjustment mechanism is fixedly connected to the first support plate and the first support plate respectively. The height adjustment mechanism includes:

[0023] At least one set of push rods, one end of the first push rod in the at least one set of push rods is movably connected to one end of the fabric assembly, and one side is fixed to the first support plate;

[0024] One end of the second push rod in at least one set of push rods is movably connected to the other end of the fabric assembly, and one side is fixed to the second support plate, for adjusting the height of the fabric assembly and realizing the disassembly of the fabric assembly.

[0025] Optionally, the disc screen further includes:

[0026] A sensor, wherein the sensor is disposed on the inner side of the first support plate or the second support plate;

[0027] A controller, connected to a drive mechanism in at least one set of push rods, is used to control the raising and lowering of the push rods.

[0028] The above-described solution of the present invention has at least the following beneficial effects:

[0029] 1. The disc screen provided by the above-mentioned solution of the present invention has a vertically installed cloth element that applies an additional blocking force to the material being screened, which is independent of the disc screen body. This forces a change in the movement mode of the material, strongly breaks up the material clumps, splits, thins, and flips the material layer, increases the probability of small-sized materials entering the screen, and divides the clumps of material into freely moving units or points, greatly improving the screening efficiency.

[0030] 2. The disc screen provided by the above-described solution of the present invention improves screening efficiency by 20%-30% compared to the configuration without a cloth component, pushing the screening effect of the screen to the extreme. It can significantly improve screening efficiency and throughput without increasing the length of the disc screen, thereby reducing the footprint of the disc screen and the user's investment cost.

[0031] 3. The disc screen provided by the above solution of the present invention has a vertically installed cloth element that does not clog or entangle, and has a simple structure and strong operability. Attached Figure Description

[0032] Figure 1 This is a three-dimensional schematic diagram of a disc screen provided in an embodiment of the present invention;

[0033] Figure 2 This is a front view of a fabric assembly with a fixed ring as the positioning element provided in an embodiment of the present invention;

[0034] Figure 3 This is a front view of a fabric assembly with a positioning element as a spacer sleeve, provided in an embodiment of the present invention.

[0035] Figure 4This is a side view of the connection between the fabric element and the support element provided in an embodiment of the present invention;

[0036] Figure 5 This is a front view of a fabric element provided in an optional embodiment of the present invention;

[0037] Figure 6 This is another side view of the connection between the fabric element and the support element provided in an optional embodiment of the present invention;

[0038] Figure 7 This is a schematic diagram of one arrangement of fabric elements in multiple sets of fabric assemblies provided in an embodiment of the present invention;

[0039] Figure 8 This is a schematic diagram of another arrangement of fabric elements in the fabric assembly provided in this embodiment of the invention;

[0040] Figure 9 This is a schematic diagram showing the distribution of multiple sets of fabric components at different heights provided in an embodiment of the present invention;

[0041] Figure 10 This is another schematic diagram showing the distribution of multiple fabric assemblies at different heights provided in an embodiment of the present invention.

[0042] Figure 11 This is another perspective view of the disc screen provided in an embodiment of the present invention.

[0043] The reference numerals in the attached figures are as follows: 1. Fabric assembly; 11. Support element; 12. Fabric element; 121. Ear hole; 122. Counterweight mounting hole; 123. Counterweight block; 124. Screw; 13. Positioning element; 21. First support plate; 22. Second support plate; 23. Disc; 24. Screen surface; 3. Push rod; 31. Lead screw; 4. Sensor; 5. Connecting block. Detailed Implementation

[0044] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0045] like Figure 1 As shown, an embodiment of the present invention provides a disc screen, comprising:

[0046] First support plate 21;

[0047] A second support plate 22 is disposed opposite to the first support plate 21;

[0048] Multiple discs 23 are mounted between the first support plate 21 and the second support plate 22 via a rolling shaft. The discs 23 can rotate freely relative to the rolling shaft. The rolling shaft is fixed in position and fixedly connected between the first support plate 21 and the second support plate 22.

[0049] At least one fabric assembly 1, one end of each fabric assembly 1 is movably connected to the first support plate 21, and the other end is movably connected to the second support plate 22. Each fabric assembly 1 has a predetermined height distance from the screen surface 24 formed by the plurality of discs 23. The at least one fabric assembly 1 disperses the material on the screen surface 24 when the disc screen transports the material.

[0050] In this embodiment, multiple rolling shafts are evenly distributed between the first support plate 21 and the second support plate 22 to form the main frame of the disc screen. Multiple discs 23 pass through the rolling shafts and are evenly distributed on the rolling shafts to form the screen surface 24 of the disc screen.

[0051] At least one of the fabric components 1 is positioned at a predetermined height from the screen surface 24, and one end of the fabric component 1 is movably connected to the first support plate 21, and the other end is movably connected to the second support plate 22, so as to facilitate subsequent adjustment of the height of the fabric component 1 according to the height of the material on the screen surface 24; the fabric component 1 can be one or multiple. When only one fabric component is provided, it is positioned at the feed inlet in the material inflow direction of the disc screen; when multiple fabric components are provided, they are evenly distributed side by side between the first support plate 21 and the second support plate 22.

[0052] When the disc screen performs screening operations, by setting at least one of the cloth assembly 1 between the first support plate 21 and the second support plate 22, the combination state, movement state and position state of the material on the screen surface 24 can be changed, the residence time of the material on the screen surface can be increased, more opportunities to enter the screen under the screen can be provided, and the uniformity of the material layer can be improved, so that qualified small particles of material can enter the screen under the screen, thereby improving the material screening efficiency and the quality of the finished product.

[0053] like Figure 2 , Figure 3 As shown, in an optional embodiment of the present invention, each fabric assembly 1 includes:

[0054] Support element 11, one end of which is movably connected to the first support plate 21 and the other end of which is movably connected to the second support plate 22;

[0055] Multiple fabric elements 12 are movably connected to the support element 11 and suspended above the screen surface 24;

[0056] When the disc screen is conveying materials, the end of the cloth element 12 near the screen surface 24 swings along the running direction of the materials to disturb and disperse the materials on the screen surface 24.

[0057] In this embodiment, the support element 11 can be configured as a cylindrical structure or other structural forms that facilitate the connection of the fabric element 12. One end of the support element 11 is movably connected to the first support plate 21, and the other end is movably connected to the second support plate 22 to provide support for the fabric element 12.

[0058] When the equipment is running, the support element 11 is fixed in position, and the cloth element 12 swings or deforms relative to the support element 11. Under the action of the pushing force of the material and its own gravity, the cloth element 12 swings back and forth along the direction of material movement, which can block without blocking, contact the material but not get entangled with the material, obtain power by the movement of the material, play a separation role, and form a virtuous cycle.

[0059] Preferably, the fabric element 12 is elastic or flexible and can deform upon contact with the material. The fabric element 12, through its own deformation, disturbs the material, forcibly stratifies it, allowing the upper layer of material to enter the lower layer for screening, forcibly diverts the material, and improves the uniformity of the material layer. This allows qualified small particles to enter the underside of the screen, thereby improving screening efficiency and finished product quality. Optionally, the fabric element 12 can be an elastic lever (plate, tube, brush), or a spring rod, brush, multi-chain plate, chain, rubber plate, rubber rod, or multiple hinged plates. When the fabric element 12 is configured as a tubular, plate-shaped, or rod-shaped structure, the end of the fabric element 12 near the screen surface 24 is rounded to prevent material from accumulating.

[0060] Preferably, the two ends of the support element 11 can be movably connected to the support plates on both sides of the disc screen through two connecting blocks 5 respectively. The connecting blocks 5 are fixed on the support plates, and the connecting blocks 5 are provided with guide rails for the ends of the support element 11 to slide. The support element 11 can move back and forth along the guide rails to adjust the distance between the fabric element 12 and the screen surface. The connecting blocks 5 are set within a preset height range from the screen surface 24.

[0061] like Figures 2 to 3 As shown, in an optional embodiment of the present invention, each of the plurality of fabric elements 12 is axially positioned on the support element 11 by a positioning element 13.

[0062] In this embodiment, such as Figure 2 As shown, the positioning element 13 can be a fixing ring, which is disposed at both ends of the fabric element 12 and fixedly connected to the support element 11. This fixing ring limits the position of the fabric element 12 on the support element 11, preventing the fabric element 12 from moving along the support element 11. Simultaneously, by providing fixing rings at both ends of the fabric element 12, the position of the fabric element 12 on the support element 11 can be flexibly adjusted. Figure 3 As shown, the positioning element 13 can be a spacer sleeve, which is sleeved on the support element 11. The spacer sleeve has through holes for the fabric element 12 to pass through, so as to achieve uniform distribution and positioning of the fabric element 12 on the support element 11.

[0063] like Figure 4 , Figure 5 As shown, the upper part of the fabric element 12 has an ear hole 121 for the support element 11 to pass through. One end of the fabric element 12 is suspended and movably connected to the support element 11 through the ear hole 121 and by its own weight, while the other end is suspended above the screen surface 24. Since the support element 11 is set at a preset height distance from the screen surface 24, the end of the fabric element 12 suspended on the screen surface 24 is at a certain height from the screen surface 24, and this height should be less than the thickness of the minimum material layer set on the screen surface 24.

[0064] When the disc screen is conveying materials, the cloth element 12 is suspended above the screen surface 24 at one end, contacts the material, and swings or deforms along the direction of material movement under the action of material movement to disperse the material on the screen surface 24, thereby changing the combination state, movement state and position state of the material so that small particles of material can enter the screen, thereby improving the material screening efficiency and finished product quality.

[0065] like Figure 4 and Figure 5 As shown, the fabric element 12 can be an integrally molded structural component, which is convenient for manufacturing; the fabric element 12 can be connected to the support element 11 through a bearing or a wear-resistant bushing, wherein the inner ring of the bearing or wear-resistant bushing is connected to the support element 11, the size of the inner ring is adapted to the cross-sectional size of the support element, and the outer ring of the bearing or wear-resistant bushing passes through the lug 121 of the fabric element 12 and is connected to the fabric element 12;

[0066] like Figure 6As shown, the fabric element 12 may also include an upper part and a lower part of the fabric element that are joined together. The upper part of the fabric element has a first notch, and the lower part of the fabric element has a second notch. The first notch and the second notch are joined to form an ear hole 121 for the support element 11 to pass through. Threaded holes are provided on both sides of the upper part and the lower part of the fabric element. A screw 124 passes through the threaded holes to connect the upper part and the lower part of the fabric element to the support element 11.

[0067] The fabric element 12 is configured into upper and lower parts, and the two parts are screwed together. This allows for easy adjustment of the position of the fabric element 12 on the support element 11 at any time. Furthermore, when any fabric element on the support element 11 is damaged, only the damaged fabric element needs to be removed, thus reducing maintenance costs.

[0068] In an optional embodiment of the present invention, the fabric element 12 may have a plurality of counterweight mounting holes 122, and the counterweight mounting holes 122 may be arranged at equal intervals.

[0069] In this embodiment, the lower part of the fabric element 12 is uniformly provided with a plurality of counterweight mounting holes 122. During the operation of the disc screen, a counterweight block 123 can be installed in the counterweight mounting hole 122 according to actual needs to provide the fabric element 12 with the force to disperse the material, meet the force requirements under different material layer thicknesses, and improve the working efficiency of the fabric element 12.

[0070] In an optional embodiment of the present invention, when at least one of the fabric components 1 includes two or more fabric components 1, at least two of the fabric components 1 are arranged sequentially between the first support plate 21 and the second support plate 22.

[0071] In this embodiment, when at least one of the fabric components 1 includes two or more fabric components 1, at least two of the fabric components 1 are evenly arranged between the first support plate 21 and the second support plate 22, so as to continuously disperse the material on the screen surface 24 in the material infeed to material outfeed direction, thereby further improving the screening efficiency of the disc screen.

[0072] Of course, only one fabric assembly can be arranged between the first support plate 21 and the second support plate 22. When only one fabric assembly is arranged, the multiple fabric elements 12 on the fabric assembly are distributed on the support element 11, and the fabric assembly is arranged near the feed inlet of the disc screen so as to disperse the material entering the screen surface 24 in the first time.

[0073] like Figure 7 and8 As shown, in an optional embodiment of the present invention, in at least two fabric assemblies 1, the fabric element groups in two adjacent fabric assemblies 1 are arranged alternately. Optionally, the number of fabric elements 12 included in the fabric element group is the same.

[0074] In this embodiment, when two or more fabric components 1 are arranged on the disc screen, the multiple fabric element groups on the first fabric component and the fabric element groups on the second fabric component of two adjacent fabric components 1 can be arranged alternately on their respective support elements 11, or they can be arranged with gaps, so that when transporting materials, the latter fabric component can disperse the materials that were not dispersed by the gaps in the previous fabric component due to the spacing of the fabric elements, thereby improving the working efficiency of the material distribution component 1, and thus improving the screening efficiency and finished product quality of the disc screen; the number of fabric elements 12 included in the fabric element group is the same. Preferably, the fabric element group can include at least one fabric component 1. When only one fabric component 12 is provided in the fabric component group, the multiple fabric element groups on the first fabric component and the fabric element groups on the second fabric component of two adjacent fabric components 1 can be arranged with gaps on their respective support elements 11.

[0075] In an optional embodiment of the present invention, the fabric elements 12 in at least two of the fabric assemblies 1 have the same length, and the support elements 11 in at least two of the fabric assemblies 1 are arranged in descending order of height from the screen surface 24 in the direction from the material inlet to the material outlet of the disc screen.

[0076] In this embodiment, such as Figure 9 As shown, when two or more fabric assemblies are arranged on the disc screen, the length of the fabric element 12 on at least two fabric assemblies 1 can be set to be the same; at this time, from the material inlet direction to the material outlet direction of the disc screen (as shown by the arrow in the figure), the distance between the support element 11 in at least two fabric assemblies 1 and the screen surface 24 decreases sequentially, forming multiple fabric assemblies with equal and gradually decreasing heights.

[0077] When the disc screen is performing screening, the material distribution components that are farther away from the feed inlet can further disperse the material that is not dispersed or is unevenly dispersed by the material distribution components that are closer to the feed inlet, thereby improving the working efficiency of the material distribution components. At the same time, after the material passes through the material distribution components 1 with decreasing heights in sequence, it can be more evenly distributed on the screen surface 24, thereby improving the screening efficiency of the disc screen and improving the quality of the screened finished product.

[0078] In an optional embodiment of the present invention, the lengths of the fabric elements 12 in at least two of the fabric assemblies 1 are different, and the heights of the support elements 11 in at least two of the fabric assemblies 1 from the screen surface 24 are the same. In the material feeding direction to the material discharging direction of the disc screen, the lengths of the fabric elements 12 on the support elements 11 in two adjacent fabric assemblies 1 are increased sequentially.

[0079] In this embodiment, such as Figure 10 As shown, when two or more fabric assemblies are arranged on the disc screen, the lengths of the fabric elements 12 on at least two fabric assemblies 1 can be set differently; at this time, in the material infeed direction to the material outfeed direction of the disc screen (as shown by the arrow in the figure), the support elements 11 in at least two fabric assemblies 1 are at the same height from the screen surface 24, and the lengths of the fabric elements 12 in two adjacent fabric assemblies 1 are increased sequentially to form multiple fabric assemblies with equal and gradually decreasing heights;

[0080] When the disc screen is performing screening, the material distribution components that are farther away from the feed inlet can further disperse the material that is not dispersed or is unevenly dispersed by the material distribution components that are closer to the feed inlet, thereby improving the working efficiency of the material distribution components. At the same time, after the material passes through the material distribution components 1 with decreasing heights in sequence, it can be more evenly distributed on the screen surface 24, thereby improving the screening efficiency of the disc screen and improving the quality of the screened finished product.

[0081] like Figure 11 As shown, in an optional embodiment of the present invention, the disc screen may further include a height adjustment mechanism for adjusting the installation height of the fabric assembly 1 and making the fabric assembly 1 detachable. The height adjustment mechanism is fixedly connected to the first support plate 21 and the first support plate 21 respectively. The height adjustment mechanism may include:

[0082] At least one set of push rods 3, one end of the first push rod in the at least one set of push rods 3 is movably connected to one end of the fabric assembly 1 (the first push rod can be manually, electrically or pneumatically actuated), and one side is fixed to the first support plate 21;

[0083] One end of the second push rod in at least one set of push rods 3 is movably connected to the other end of the fabric assembly 1 (the second push rod can be manually, electrically, or pneumatically actuated), and one side is fixed to the second support plate 22, for adjusting the height of the fabric assembly 1 and realizing the disassembly of the fabric assembly 1.

[0084] In this embodiment, a set of push rods 3 are respectively provided at both ends of the fabric assembly 1. The first push rod of the push rod 3 can be movably connected to one end of the support element 11 in the fabric assembly 1 through the connecting block 5, and the second push rod of the push rod 3 can be movably connected to the other end of the fabric assembly 1 through the connecting block 5. When the disc screen is screening materials, the height of the fabric assembly 1 from the screen surface 24 can be adjusted in time by the push rods 3 according to the height of the material being transported on the screen surface 24, so as to ensure that the material can pass through the fabric assembly 1 smoothly and prevent material blockage. At the same time, it is also convenient for the fabric assembly 1 to disperse the material, thereby improving the screening efficiency and finished product quality of the disc screen.

[0085] Furthermore, at least one set of push rods 3, including both the first push rod and the second push rod, comprises:

[0086] The lead screw 31 is movably connected to one end of the fabric assembly 1 via the connecting block 5, and is used to adjust the height of the fabric assembly 1;

[0087] A drive motor is provided, one end of which is electrically connected to the lead screw 31 and is used to drive the lead screw 31 to rise and fall.

[0088] In this embodiment, one end of the lead screw can be movably connected to the support element 11 in the fabric assembly 1 through the connecting block 5, and the other end is screwed to the nut and electrically connected to the drive motor;

[0089] The height of the fabric assembly 1 can be raised or lowered by rotating the lead screw 31 within the nut. During material screening, the height of the lead screw 31 can be adjusted by manually turning the lead screw 31 within the nut, depending on the complexity of the actual working conditions, thereby adjusting the height of the fabric assembly 1 and reducing the energy consumption of the equipment. Alternatively, the height of the lead screw 31 can be adjusted by rotating the lead screw 31 within the nut via a drive motor, thereby adjusting the height of the fabric assembly 1 and reducing manual adjustment costs.

[0090] In an optional embodiment of the present invention, the disc screen may further include:

[0091] Sensor 4 is disposed on the inner side of the first support plate 21 or the second support plate 22 and is used to detect the height of the material being transported on the screen surface 24.

[0092] A controller, one end of which is electrically connected to the drive motor of at least one set of push rods 3, is used to control the lifting and lowering of the push rods 3.

[0093] In this embodiment, the sensor is disposed within the main frame formed by the first support plate 21 and the second support plate 22. The sensor is used to monitor and collect the height or mass of the material being transported on the screen surface 24 in real time, and transmit it to the controller in real time. The controller controls the drive motor to drive the lead screw 31 to rotate in the nut according to the monitored material height, so as to adjust the height of the fabric assembly 1.

[0094] When the material height detected by the sensor is greater than the first preset material level height and less than the second preset material level height, the controller can calculate the actual height that the material feeding assembly 1 needs to be adjusted based on the first preset material level height and the material height collected in real time, and control the drive motor to adjust the height as needed, driving the lead screw 31 to rotate in the nut to adjust the height of the material feeding assembly 1; so as to achieve precise control of the height of the material feeding assembly 1, avoid material blockage, and facilitate the material dispersion of the material feeding assembly 1, thereby improving the screening efficiency of the disc screen;

[0095] When the material height detected by the sensor is greater than the second preset material level height, the controller controls the drive motor to operate and drives the lead screw 31 to rotate to the highest height, so as to adjust the height of the fabric assembly 1 to the highest level and avoid material blockage.

[0096] In this embodiment, the first preset material level height is the limit material level height on the screen surface, and the second preset material level height is the most ideal material height when the disc screen is screening materials.

[0097] The disc screen provided in the above embodiments of the present invention, through the cloth assembly 1 set on the main frame of the disc screen, when the disc screen is screening materials, the cloth element 12 in the cloth assembly 1 is close to the upper end of the screen surface 24, contacts the material, and swings along the running direction of the material under the driving action of the material movement. At this time, the swinging cloth element 12 will provide a certain propelling force to the material, change the combination state of the material (such as the phenomenon of material entanglement, covering, and adhesion due to the special properties of the material), movement state (such as moving only at the top of the material layer due to low density), and position state, so as to increase the residence time of the material on the screen surface and provide more opportunities to enter the screen.

[0098] When the material moves on the screen surface 24, when it encounters the cloth assembly 1 in the forward direction, the material will be slowed down and turned up by the pushing force of the cloth element 12; the cloth element 12 acts like a plow on the material, turning over and reorganizing the material layer; if the material passes through the gap of the cloth element 12 in the cloth assembly 1 in the forward direction, the material will rotate on the screen surface 24, and the material that was originally arranged horizontally will become arranged vertically.

[0099] When the material layer is thick, the cloth element 12 will rake and sweep the material to homogenize the material layer; change the direction of material movement, rotate the clumps at a certain angle, force the material to be layered, allow the upper material to enter the bottom layer for screening, force the material to be diverted, improve the uniformity of the material layer, and so on, so that qualified small particles of material can enter the screen, thereby improving the screening efficiency of the equipment and the quality of the finished product.

[0100] Meanwhile, through the settings of the sensor 4 and the controller, for application scenarios with relatively frequent changes in working conditions, the push rod can be automatically driven to rotate, and the height of the fabric assembly 1 can be intelligently and precisely controlled to avoid material blockage due to malfunctions, thereby further improving the screening efficiency and finished product quality of the equipment; for application scenarios with relatively simple changes in working conditions, the push rod can also be manually pushed to rotate, so as to reduce the energy consumption and operating costs of the equipment.

[0101] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A disc sieve, characterized in that, include: First support plate (21); A second support plate (22) is disposed opposite to the first support plate; Multiple discs (23) are mounted between the first support plate (21) and the second support plate (22) via a rolling shaft; At least one fabric assembly (1), one end of each fabric assembly (1) is movably connected to the first support plate (21), and the other end is movably connected to the second support plate (22). Each fabric assembly (1) has a predetermined height distance from the screen surface (24) formed by the plurality of discs (23). The at least one fabric assembly (1) disperses the material on the screen surface (24) when the disc screen transports the material. Each fabric assembly (1) includes: A support element (11), one end of which is movably connected to the first support plate (21), and the other end of which is movably connected to the second support plate (22); Multiple fabric elements (12) are movably connected to the support element (11) and suspended above the screen surface (24); When the disc screen is conveying materials, the end of the cloth element (12) near the screen surface (24) swings along the running direction of the materials to disturb and disperse the materials on the screen surface (24); When the equipment is running, the support element (11) is fixed in position, the fabric element (12) swings or deforms relative to the support element (11), and the fabric element (12) swings back and forth along the direction of material movement under the pushing force of the material and its own gravity. The fabric element (12) is elastic or flexible and can deform when in contact with the material. The fabric element (12) disturbs the material by deforming itself, forcing the material to be layered, so that the upper material has the opportunity to enter the lower layer for screening. When at least one of the fabric components (1) includes two or more fabric components (1), at least two of the fabric components (1) are arranged sequentially between the first support plate (21) and the second support plate (22) to form a plurality of fabric components (1) with equal and progressively decreasing heights. A height adjustment mechanism, which is fixedly connected to the first support plate (21) and the first support plate (21) respectively, and the height adjustment mechanism includes: At least one set of push rods (3), one end of the first push rod in the at least one set of push rods (3) is movably connected to one end of the fabric assembly (1), and one side is fixed to the first support plate (21); One end of the second push rod in at least one set of push rods (3) is movably connected to the other end of the fabric assembly (1), and one side is fixed to the second support plate (22) for adjusting the height of the fabric assembly (1) and realizing the disassembly of the fabric assembly (1); The first push rod and the second push rod are electrically powered; Sensor (4), the sensor (4) is disposed on the inner side of the first support plate (21) or the second support plate (22); A controller, which is connected to the drive mechanism of at least one set of push rods (3), is used to control the lifting and lowering of the push rods (3); The sensor (4) is used to monitor and collect the height of the material being transported on the screen surface (24) in real time, and transmit it to the controller in real time. The controller controls the first push rod and the second push rod according to the monitored material height to adjust the height of the fabric assembly (1).

2. The disc sieve according to claim 1, characterized in that, Each of the plurality of fabric elements (12) is axially positioned on the support element (11) by a positioning element (13).

3. The disc sieve according to claim 1, characterized in that, The upper part of the fabric element (12) is provided with an ear hole (121) through which the support element (11) passes, and the fabric element (12) is provided with a plurality of counterweight mounting holes (122).

4. The disc sieve according to claim 1, characterized in that, At least two of the fabric components (12) have the same length, and the support elements (11) in at least two of the fabric components (1) are arranged in descending order of height from the screen surface (24) in the direction from the material inlet to the material outlet of the disc screen.

5. The disc sieve according to claim 1, characterized in that, At least two of the fabric components (1) have different lengths of fabric elements (12), and at least two of the fabric components (1) have the same height from the screen surface (24). In the direction from the material inlet to the material outlet of the disc screen, the lengths of the fabric elements (12) on the support elements (11) of adjacent fabric components (1) are increased.

6. The disc sieve according to claim 1, characterized in that, In at least two of the fabric assemblies (1), the fabric elements (12) in adjacent fabric assemblies (1) are arranged in an alternating manner.

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