An inverted v-shaped reinforced screen assembly

Abstract

The utility model discloses a kind of inverted V type reinforced screen grid assemblies, including the screen plate of two sections of front and back along material flow direction, small hole is equipped in screen plate front section, large hole is equipped in rear section, screen plate lower layer is equipped with inverted V type bottom plate, bottom plate tip portion is located in middle part along material flow direction, and is equipped with the through plate strip rib perpendicular to tip portion, bottom plate is separated into the area corresponding to screen plate two sections;Bracket of groove net-shaped punch is equipped between screen plate and bottom plate, for placing cleaning ball;Bottom plate tip portion two sides are equipped with flow guide structure.The utility model is realized by sectional screen plate that big miscellaneous small miscellaneous classification screening, inverted V type bottom plate and flow guide structure accelerate screen under thing to guide out, through plate strip rib enhances bottom plate support and prevents deformation, rubber ball cleaning screen hole prevents blockage, overall improves screening efficiency, structural strength and material adaptability, applicable to grain processing, ore sorting etc.

Description

Technical Field

[0001] This utility model relates to the field of material screening equipment technology, specifically to an inverted V-shaped reinforced sieve assembly. Background Technology

[0002] In the field of material screening, whether it's grain processing, ore sorting, or building material screening, efficient grading and impurity removal are crucial for ensuring product quality and production efficiency. However, traditional sieves have many shortcomings in practical applications:

[0003] Firstly, most traditional sieves adopt a single-zone design, which can only screen impurities within a certain particle size range. If it is necessary to clean large and small impurities at the same time, multiple screening processes are often required, which is not only time-consuming and labor-intensive, but also significantly reduces the overall production efficiency.

[0004] Secondly, the support structure of the screen grid bottom plate is poorly designed and generally lacks strength. After being subjected to material impact and its own weight for a long time, it is prone to deformation. This will not only damage the flatness of the screen holes, causing material jamming and screen hole blockage, affecting screening accuracy, but also shorten the service life of the screen grid and increase equipment maintenance costs.

[0005] Third, the inclination angle of the undersize discharge structure is small, and the material is easy to accumulate and stagnate on the bottom plate, making it difficult to discharge quickly. This can easily cause secondary clogging of the screen holes and reduce the discharge efficiency of the undersize, thus affecting the continuity of the entire screening process.

[0006] Fourth, the partition length of the sieve plate is usually fixed, but in actual production, the purity and impurity particle size distribution of different batches of materials are significantly different. Fixed partitions are difficult to adapt to diverse material requirements, which will either lead to low sieve utilization or affect product quality due to inaccurate screening.

[0007] Fifth, the traditional screens have a high screen layer height, which occupies a lot of equipment space and is not conducive to the compact layout of the production line. This not only increases the difficulty of equipment installation, but also brings inconvenience to subsequent maintenance and repair. Summary of the Invention

[0008] This utility model aims to solve the problems of low screening efficiency, insufficient support strength, slow discharge of screened material, poor adaptability and large space occupation of existing sieves, and provides an inverted V-shaped reinforced sieve assembly with adjustable partitions, high strength and fast discharge.

[0009] The technical solution adopted in this utility model is: an inverted V-shaped reinforced sieve assembly, comprising:

[0010] The screen plate is divided into two sections along the material flow direction, with small holes in the front section and large holes in the rear section.

[0011] A bottom plate is disposed on the lower layer of the screen plate. The bottom plate is inverted V-shaped, with its tip located in the middle of the bottom plate along the material flow direction. The bottom plate is provided with a continuous strip of rib perpendicular to the tip, dividing the bottom plate into two sections corresponding to the screen plate.

[0012] Furthermore, a bracket is provided between the sieve plate and the bottom plate. The bracket is a grooved mesh punch structure with spaced intervals, used to place cleaning balls.

[0013] Furthermore, the base plate is provided with a flow guiding structure, which is disposed on both sides of the tip.

[0014] The beneficial effects of this utility model are:

[0015] 1. Highly efficient hierarchical screening: By cleaning large and small impurities separately in two partitions, multi-level impurity removal can be completed in one screening, improving screening efficiency;

[0016] 2. High adaptability: The length of the partition can be adjusted during the production stage to adapt to materials of different purities, greatly improving the utilization rate of the screen.

[0017] 3. High structural strength: The continuous strip reinforcement at the tip of the inverted V-shaped base plate forms a strong support, effectively preventing base plate deformation and extending equipment life;

[0018] 4. Fast discharge of screened material: The large inclination angle design of the inverted V-shaped bottom plate accelerates the flow of screened material and reduces accumulation;

[0019] 5. Space saving: The two-layer structure reduces the overall height of the screen layer, which is conducive to the compact design of the equipment. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model;

[0021] Figure 2 This is an exploded view of the structure of this utility model;

[0022] In the diagram: 1-sieve plate, 2-bracket, 3-bottom plate, 4-point, 5-flow guide structure, 6-long strip rib, 7-cleaning ball. Detailed Implementation

[0023] To more clearly illustrate the technical solution of this utility model, the accompanying drawings used in the description 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 embodiments can be obtained based on these drawings without creative effort. To facilitate understanding of this utility model, a more detailed description of this utility model will be provided below in conjunction with the accompanying drawings and specific embodiments.

[0024] This utility model relates to an inverted V-shaped reinforced screen assembly, a key component of symmetrical screening and impurity removal equipment, such as... Figure 1 and Figure 2 As shown, it mainly consists of a screen plate 1, a bracket 2, a bottom plate 3, and cleaning balls 7. These components work together to achieve grading and screening, efficient material discharge, and structural reinforcement. The screen plate 1 is divided into two sections along the material flow direction (from left to right): front and rear.

[0025] The front section of the sieve plate 1 is used for screening small impurities. It has small holes with a diameter smaller than the size of the material particles, which are suitable for screening small impurities such as broken grains and dust in grains, ensuring that small impurities can be quickly separated through the small holes.

[0026] The latter section is used for screening large impurities. It has large holes with a diameter larger than the size of the material particles to separate large impurities such as straw and stones from the material. This allows for the classification process of screening small impurities first and large impurities later, avoiding the problem of incomplete screening caused by a single screen size.

[0027] In actual production, the length of the front and rear sections can be adjusted according to the proportion of impurities in the material. For example, if the impurities are mainly small impurities, the length of the front section can be increased to improve the adaptability of the screen plate 1 to different materials.

[0028] The bottom plate 3 is located below the screen plate 1 and is made of steel plate stamping into an inverted V-shaped structure. The V-shaped apex (i.e. the tip 4) is set in the middle of the bottom plate 3 along the material flow direction, and the angle between the two sides of the plate and the horizontal plane is 5°-45°.

[0029] The inverted V-shaped design creates inclined material guiding surfaces on both sides of the bottom plate 3. Compared with the traditional flat bottom plate, the material guiding angle is increased, and small and large impurities under the screen can quickly enter the impurity discharge channel along the inclined surface to avoid accumulation and retention.

[0030] The base plate 3 is provided with a continuous rib 6 perpendicular to the tip 4. The continuous rib 6 extends from the center of the base plate 3 to both sides, dividing the base plate 3 into areas corresponding to the front and rear sections of the screen plate 1. The continuous rib 6 and the inverted V-shaped tip 4 form a "cross" support structure, which improves the deformation resistance of the base plate 3 by more than 50%. It can still maintain its flatness after long-term material impact, avoiding the problem of poor material guidance caused by deformation.

[0031] Between the screen plate 1 and the bottom plate 3, a channel-shaped steel plate perforated bracket 2 is installed along the material flow direction. The bracket 2 is bolted to the side plates of the screen body on both sides to form a stable support frame. Several rubber cleaning balls 7 are placed in the channel area of ​​the bracket 2. The cleaning balls 7 can roll or bounce freely with the vibration of the screen grid. When the screen grid is working, the vibration drives the cleaning balls 7 to continuously impact the bottom surface of the screen plate 1, which can effectively clean impurities stuck in the small and large holes, reduce the screen hole clogging rate, and ensure the continuity of screening.

[0032] The bottom plate 3 has flow guiding structures 5 on both sides of the tip 4. The flow guiding structures 5 are welded with flow guiding plates of the same height as the tip 4 along the 45° angle of the length of the tip 4. The flow guiding plates and the bottom plate 3 form a V-shaped "flow guiding groove". When the screened material falls from the screen plate 1 into the bottom plate 3, the flow guiding structures 5 can guide the small impurities and clean grains to quickly enter the respective channels on the left and right sides of the bottom plate 3, avoiding the accumulation of screened material on the bottom plate 3, which would cause blockage or reduce the discharge efficiency of screened material.

[0033] The working process of this utility model is as follows: When materials such as grain enter from the front end of the sieve plate 1, they go through the following processes in sequence:

[0034] 1. The grain first flows through the front section of the screen plate 1. Small impurities such as broken grains or dust fall into the front section of the bottom plate 3 through small holes. Under the guidance of the large inclination angle and the flow guiding structure 5, it quickly slides out of the equipment along both sides of the bottom plate 3.

[0035] 2. Grains with small impurities removed continue to flow to the rear section of screen plate 1. Impurities such as straw or large stones are collected through screen plate 1 and fall into the rear channel to check the screen surface. Grains pass through the rear hole of screen plate 1 and fall into the rear area of ​​bottom plate 3 and are quickly discharged along the inclined surface.

[0036] 3. During the screening process, the rubber balls on the bracket 2 continuously impact the screen plate 1 as the screen body vibrates, clearing the clogged screen holes; the through-plate ribs 6 strengthen the support and increase the strength of the bottom plate, ensuring that the screen bracket 2 is in close contact with the bottom plate 3 and will not jump up and down, thus ensuring a better screening effect and output.

[0037] 4. Finally, the cleaned grain enters the bottom plate from the side channel at the end of the sieve plate 1 and is discharged from the middle outlet, thus completing one screening to achieve the grading and cleaning of large and small impurities.

[0038] This embodiment achieves graded screening through the segmented design of the sieve plate 1, improves the discharge efficiency with the inverted V-shaped bottom plate 3 and the flow guiding structure 5, strengthens the support and prevents the bracket 2 from jumping with the long plate ribs 6, and solves the problem of sieve hole clogging. The synergistic effect of each structure greatly improves the screening efficiency and extends the service life of the equipment. It is suitable for high-efficiency screening of various dry granular materials.

[0039] The various embodiments described in this specification are presented in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above description of the disclosed embodiments enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An inverted V-shaped reinforced sieve assembly, characterized in that, include: The sieve plate (1) is divided into two sections along the material flow direction, with small holes in the front section and large holes in the rear section. The bottom plate (3) is set on the lower layer of the screen plate (1). The bottom plate (3) is inverted V-shaped, and its tip (4) is set in the middle of the bottom plate (3) along the material flow direction. The bottom plate (3) is provided with a continuous strip rib perpendicular to the tip (4) to divide the bottom plate (3) into two sections corresponding to the screen plate (1).

2. The inverted V-shaped reinforced sieve assembly according to claim 1, characterized in that, A bracket (2) is provided between the sieve plate (1) and the bottom plate (3). The bracket (2) is a grooved mesh punch structure with intervals, used to place cleaning balls (7).

3. The inverted V-shaped reinforced sieve assembly according to claim 1, characterized in that, The base plate (3) is provided with a flow guiding structure (5), which is located on both sides of the tip (4).

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