Screen structure for a mineral aggregate screening machine

Abstract

The utility model discloses a screen structure of mineral aggregate screening machine, it includes, a plurality of first net strip and second net strip staggered arrangement, constitute the screen hole between adjacent first net strip and second net strip, the intersection of first net strip and second net strip staggered protrude to screen hole, and the intersection is equipped with support seat, and the support arm of support seat extends to first net strip and second net strip. The utility model discloses a screen structure through the net strip of staggered arrangement, the intersection of protruding and support seat, guarantee the screening precision at the same time, under the equal material, has improved the impact resistance and durability significantly, and simultaneously, the screen structure sets up the ball seat on the screen bearing surface (the top surface of intersection) on the basis of the net strip of staggered arrangement, the intersection of protruding and support seat, and the ball seat slightly slows down the rate of mineral aggregate and increases the probability of mineral aggregate overturning and colliding ball seat, improves the screening capacity of the screen under the premise of guaranteeing the impact resistance and durability.

Description

Technical Field

[0001] This utility model relates to the field of mineral screening technology, and in particular to a screen structure for a mineral screening machine. Background Technology

[0002] Mineral screening machines are key equipment used in industries such as mining, metallurgy, and building materials to classify and screen materials such as ores, sand, gravel, and coal according to particle size. Their core function is to separate mixed materials into different particle sizes through screens to meet the needs of subsequent processing or sales.

[0003] As the core component of a mineral screening machine, the screen mesh directly determines the screening efficiency, accuracy, and equipment lifespan. Screen meshes of different materials, structures, and apertures are suitable for different working conditions and material characteristics. For example: manganese steel screen meshes have high hardness and impact resistance; stainless steel screen meshes have strong corrosion resistance, long service life, and excellent impact resistance.

[0004] Polyurethane screen: As a composite material, it combines flexibility and wear resistance;

[0005] However, the structural strength of a screen depends primarily on the properties of its material. In vibrating screens, the screen is subjected to high-frequency vibration and material impact for extended periods, which significantly reduces its structural integrity and service life. Utility Model Content

[0006] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0007] To address the aforementioned problems, this utility model provides the following technical solution:

[0008] A screen structure of a mineral screening machine includes a plurality of first and second mesh strips arranged in an alternating pattern. A screen hole is formed between adjacent first and second mesh strips. The intersection of the first and second mesh strips protrudes from the screen hole, and the intersection is provided with a support base. The support arm of the support base extends toward the first and second mesh strips.

[0009] Preferably, the first and second mesh strips are arranged alternately at equal intervals.

[0010] Preferably, the spacing between adjacent first mesh strips is equal to the spacing between adjacent second mesh strips.

[0011] Preferably, the support base is located on the bottom surface of the confluence, and the main body of the support base is located at the axis of the confluence.

[0012] Preferably, the support arm of the support base extends at least to the middle position between the adjacent first mesh strip and the adjacent second mesh strip.

[0013] Preferably, the top surface of the support arm is gradually concave from the main body to the end of the support arm.

[0014] Preferably, the top surface of the confluence is provided with a ball seat, and the ball seat is coaxial with the main body of the support seat.

[0015] The beneficial effects of this utility model are as follows: the screen structure, through the interlaced mesh strips, raised confluence bodies and support bases, significantly improves the impact resistance and durability under the same material conditions while ensuring screening accuracy. At the same time, based on the interlaced mesh strips, raised confluence bodies and support bases, a ball seat is set on the screen bearing surface (top surface of the confluence body). The ball seat slightly slows down the rate at which the ore leaves the screen and increases the probability of the ore tumbling and colliding with the ball seat. Under the premise of ensuring impact resistance and durability, the screening capacity of the screen is improved. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a perspective view of the entire embodiment.

[0018] Figure 2 This is an example. Figure 1 A three-dimensional image viewed from below.

[0019] Figure 3 This is an example. Figure 1 A partial 3D view.

[0020] Figure 4 This is an example. Figure 1 Side sectional view.

[0021] Figure 5 This is an example. Figure 1 Partial top view.

[0022] Figure 6 This is an example. Figure 1 Top view.

[0023] Figure 7 This is an example. Figure 2 Top view.

[0024] In the figure; First mesh bar 100, confluence body 100-1, second mesh bar 200, screen hole 300, support base 400, main body 401, support arm 402, top surface of arm 403;

[0025] Ball seat 500, axis 600. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0029] Example 1

[0030] Reference Figures 1 to 7 This embodiment of the present invention provides a screen structure for a mineral screening machine, including a plurality of first mesh strips 100 and second mesh strips 200 arranged in an alternating manner, with screen holes 300 formed between adjacent first mesh strips 100 and second mesh strips 200, and an intersection body 100-1 of the first mesh strips 100 and second mesh strips 200 protruding out of the screen holes 300, and the intersection body 100-1 is provided with a support base 400, with a support arm 402 of the support base 400 extending toward the first mesh strips 100 and second mesh strips 200.

[0031] Specifically, this screen is composed of several first mesh strips 100 and second mesh strips 200 arranged alternately, with screen holes 300 formed between adjacent mesh strips for grading and screening materials. The junction 100-1 of the first mesh strips 100 and the second mesh strips 200 protrudes from the screen holes 300, forming a reinforcing node, which can effectively resist the impact and wear of materials and prevent the screen holes 300 from deforming. A support base 400 is provided on the junction 100-1, and its support arm 402 extends towards the first mesh strips 100 and the second mesh strips 200 to further reinforce the mesh strip connection point, prevent the screen from deforming or breaking under high-frequency vibration, and improve the screen's ability to withstand impact.

[0032] Furthermore, the first mesh bar 100 and the second mesh bar 200 are arranged in an alternating pattern at equal intervals. The alternating pattern at equal intervals ensures that the screen is subjected to uniform stress and avoids local stress concentration.

[0033] Furthermore, the spacing between adjacent first mesh bars 100 is equal to the spacing between adjacent second mesh bars 200, ensuring that the screen holes 300 are evenly distributed and improving screening accuracy.

[0034] Under the action of the vibrating screen, the material moves along the screen surface. Particles smaller than the 300mm screen hole pass through the screen and are classified. The raised structure of the 100-1 confluence increases the polygon of the 300mm screen hole, which can reduce material blockage and improve screening efficiency. The reinforcement of the support base 400 extends the service life of the screen under high-intensity vibration conditions.

[0035] In summary, this screen structure, through its staggered mesh strips, raised converging bodies, and support base, significantly improves impact resistance and durability while ensuring screening accuracy, even with the same material.

[0036] Example 2

[0037] Reference Figures 1 to 7 This is an embodiment of the present invention. In this embodiment, several first mesh strips 100 and second mesh strips 200 are arranged alternately. Adjacent first mesh strips 100 and second mesh strips 200 form sieve holes 300. The intersection body 100-1 where the first mesh strips 100 and second mesh strips 200 intersect protrudes from the sieve holes 300, and the intersection body 100-1 is provided with a support base 400. The support arm 402 of the support base 400 extends toward the first mesh strips 100 and second mesh strips 200. Furthermore, the support base 400 is provided with... On the bottom surface of the confluence 100-1, and the main body 401 of the support base 400 is located at the axis 600 of the confluence 100-1, further, the support arm 402 of the support base 400 extends at least to the middle position of the adjacent first mesh strip 100 and the adjacent second mesh strip 200, the top surface 403 of the support arm 402 gradually concave from the main body 401 to the end of the support arm 402, and the top surface of the confluence 100-1 is provided with a ball seat 500, the ball seat 500 and the main body 401 of the support base 400 are coaxial with the axis 600;

[0038] Specifically, the junction 100-1 of the first mesh 100 and the second mesh 200 protrudes from the screen hole 300, forming a high-strength node to enhance impact resistance. The support base 400 is located on the bottom surface of the junction 100-1, and its main body 401 is located at the axis 600 of the junction 100-1 to ensure balanced force and improve impact resistance.

[0039] The support arm 402 extends from the main body 401 toward the first mesh bar 100 and the second mesh bar 200, and extends at least to the middle position of the adjacent mesh bars, providing stable support and improving the impact resistance of the screen. The top surface 403 of the support arm 402 gradually concaves inward from the main body 401 toward the end. The support arm 402, like an arch, not only optimizes stress distribution and avoids stress concentration leading to breakage, but also reduces the overall weight of the screen structure, achieving lightweighting.

[0040] The top surface of the confluence body 100-1 is provided with a ball seat 500, which is coaxial with the main body 401 of the support seat 400 at 600, forming a symmetrical reinforced structure. The ball seat 500 can further disperse the impact force of the material, reduce the wear of the confluence body and improve the overall life of the screen. At the same time, the ball seat 500 can work with the vibrating machine to shake off small particles such as dust and clay attached to the surface of large-sized minerals, thereby improving the screening quality.

[0041] In summary, this screen structure, based on the interlaced mesh strips, raised confluence bodies, and support base, sets a ball seat 500 on the screen bearing surface (the top surface of the confluence body 100-1). The ball seat 500 slightly slows down the rate at which the ore leaves the screen and increases the probability of the ore tumbling and colliding with the ball seat 500. While ensuring impact resistance and durability, it improves the screening capacity of the screen.

[0042] Specifically, the ball seat 500 slows down the material release speed and increases the probability of tumbling and collision, thus extending the material's residence time on the screen surface. This gives small particles more opportunities to pass through the screen, reducing the phenomena of "misscreening" (large particles mixed with fine materials) and "missing the screen" (fine particles leaving coarse materials). For materials that are prone to agglomeration (such as wet coal and clay), the collision effect of the ball seat 500 can break up the clumps, release the encapsulated fine particles, and reduce the probability of the screen clogging easily.

[0043] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0044] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A screen structure for a mineral screening machine, characterized in that: The device includes several first mesh strips (100) and second mesh strips (200) arranged in an alternating manner. Adjacent first mesh strips (100) and second mesh strips (200) form a sieve hole (300). The intersection body (100-1) where the first mesh strips (100) and second mesh strips (200) intersect protrudes from the sieve hole (300), and the intersection body (100-1) is provided with a support base (400). The support arm (402) of the support base (400) extends toward the first mesh strips (100) and second mesh strips (200).

2. The screen structure of the mineral screening machine as described in claim 1, characterized in that: The first mesh strip (100) and the second mesh strip (200) are arranged alternately at equal intervals.

3. The screen structure of the mineral screening machine as described in claim 2, characterized in that: The spacing between adjacent first strips (100) is equal to the spacing between adjacent second strips (200).

4. The screen structure of the mineral screening machine as described in claim 1, characterized in that: The support base (400) is located on the bottom surface of the confluence (100-1), and the main body (401) of the support base (400) is located at the axis (600) of the confluence (100-1).

5. The screen structure of the mineral screening machine as described in claim 4, characterized in that: The support arm (402) of the support base (400) extends at least to the middle position between the adjacent first mesh strip (100) and the adjacent second mesh strip (200).

6. The screen structure of the mineral screening machine as described in claim 5, characterized in that: The top surface (403) of the support arm (402) gradually concave inward from the main body (401) toward the end of the support arm (402).

7. The screen structure of the mineral screening machine as described in claim 4, characterized in that: The top surface of the confluence (100-1) is provided with a ball seat (500), and the ball seat (500) is coaxial (600) with the main body (401) of the support seat (400).

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