Residual material collecting and separating mechanism

Abstract

This utility model discloses a material collection and separation mechanism for a trough, comprising a separation grid. The separation grid includes multiple staggered grid bars, with multiple separation mesh openings formed between the grid bars to allow airflow. Each grid bar has a cut edge on its windward surface. Airflow blowing towards the separation mesh openings passes through any cut edge, forming a first airflow and a second airflow that splits along the sidewall of the grid bar. Materials of different densities and particle sizes carried in the airflow are separated by the first and second airflows after passing through the cut edge. This utility model's material collection and separation mechanism for a trough achieves rapid and effective separation by separating materials of different densities and particle sizes carried in the airflow through the separation grid.

Description

Technical Field

[0001] This utility model relates to the field of separation device technology, specifically to a material separation device, and more particularly to a material trough residual material collection and separation mechanism. Background Technology

[0002] In the design of existing feed waste collection vehicles, filters or sieves are typically used for coarse sorting of feed and forage. However, because the mesh shape and arrangement of the filters are not specifically optimized in accordance with fluid dynamics principles, it often leads to clogging of forage or poor airflow, resulting in unsatisfactory separation. Furthermore, in more complex cleaning scenarios, such as when unmanned sweepers need to collect waste at the bottom of the trough or in narrow passages, traditional filter structures lack effective control over the flow relationship between high-speed airflow and low-speed scattered materials. This makes it difficult to create a sufficient turbulent deceleration zone and also makes it difficult to avoid jamming problems caused by excessive local resistance.

[0003] Existing solutions typically involve adding an inclined baffle or an auxiliary fan to the front of the filter to change the airflow direction, but in practice, these solutions still suffer from problems such as low residual material collection rate and incomplete separation.

[0004] Traditional filter structures have the following main drawbacks in waste material collection: 1. The filter cannot reduce the flow rate of grass and other materials, resulting in grass and impurities remaining mixed together, requiring secondary screening to separate the grass and impurities; 2. The filter is prone to clogging when encountering impurities containing moisture or large pieces of grass, thus hindering the entire collection process; 3. In high-velocity airflow environments, excessive pressure differences can easily occur in localized areas of the filter, leading to structural fatigue damage or excessive energy consumption; 4. It is difficult to effectively stratify impurities and grass based on density and velocity differences. Utility Model Content

[0005] The technical problem to be solved by this utility model is: in order to solve the technical problem that grass and impurities cannot be effectively separated in the prior art, this utility model provides a material collection and separation mechanism for trough residue, which separates materials of different densities and particle sizes carried in the airflow through a separation grid, thereby achieving rapid and effective separation.

[0006] The technical solution adopted by this utility model to solve its technical problem is: a material trough residual material collection and separation mechanism, including a separation grid, the separation grid including a plurality of staggered grid bars, a plurality of separation mesh holes for airflow are formed between the plurality of grid bars, the windward surface of the grid bars has a cutting edge, the airflow blowing toward the separation mesh holes passes through any cutting edge and forms a first airflow and a second airflow that are split along the side wall of the grid bar, and materials of different densities and particle sizes carried in the airflow are separated with the first airflow and the second airflow after passing through the cutting edge.

[0007] This utility model's residual material collection and separation mechanism divides the airflow into a first airflow and a second airflow through a cutting edge, allowing materials of different densities and particle sizes in the airflow to be separated into layers following different airflows, thereby improving the material separation efficiency.

[0008] Furthermore, in order to separate the forage from impurities such as soil, the large-volume, low-density material carried in the airflow sinks with the second airflow, while the small-volume, high-density material carried in the airflow rises with the first airflow.

[0009] Furthermore, larger or heavier materials such as hay are sufficiently slowed down and stratified to achieve a rapid and effective separation effect. A local vortex zone is formed on the inner side of the separation mesh, and a deceleration zone is formed on the rear side of the separation mesh.

[0010] Furthermore, in order to cause significant deceleration and directional separation of the airflow in a local area after passing through the cut edge, the edge of the cut edge has a chamfer.

[0011] Furthermore, in order to form controllable vortex and turbulence zones, the cutting edge includes multiple sequentially arranged cutting segments, the height of which decreases from both sides towards the middle.

[0012] Furthermore, to further optimize the turbulence effect, the cutting segment has an arc-shaped structure.

[0013] Furthermore, in order to allow the segmented airflow through the cut sections to enter the separation mesh, the grid bars are arranged at intervals in the transverse and longitudinal directions, and form the separation mesh through the cut sections.

[0014] Furthermore, in order to ensure the airflow diversion effect of the cutting edge, the angle between the airflow and the axis of the cutting edge is 20-30°.

[0015] Furthermore, in order to accommodate forage with different fiber lengths, the aperture of the separating mesh is 45-70 mm. Furthermore, to avoid clogging of the separation mesh due to excessively low overall airflow velocity, the thickness of the separation grid is 1.5-5mm.

[0016] Compared with the prior art, the beneficial effects of this utility model are: 1. The material collection and separation mechanism of this utility model cuts and disturbs the high-speed flowing gas through sharp cutting edges, causing the grass to slow down and sink in advance when passing through the separation grid due to insufficient inertia, while impurities such as mud maintain a relatively fast flow rate due to their high kinetic energy and inertia, thus forming a significant separation effect downstream.

[0017] 2. The material collection and separation mechanism of this utility model generates controllable vortex and turbulent flow zones through gradual and sharp cutting edges, ensuring the separation of materials with different densities and particle sizes, optimizing the separation effect, and eliminating the need for secondary screening.

[0018] 3. The material collection and separation mechanism of this utility model optimizes the aperture and spacing of the holes. While ensuring sufficient air permeability, it effectively prevents the separation grid from becoming clogged due to excessively low overall airflow velocity, thus achieving the purpose of efficient recycling and impurity removal. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a schematic diagram of the residual material collection and separation mechanism of the material trough according to the present invention; Figure 2 A vortex simulation diagram of the residual material collection and separation mechanism in the trough; In the diagram: 1. Separation grid, 2. Grid bar, 3. Separation mesh, 4. Cutting edge, 5. First airflow, 6. Second airflow, 7. Local vortex zone, 8. Deceleration zone. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0022] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] like Figures 1 to 2 As shown, a material trough residual material collection and separation mechanism includes a separation grid 1. The separation grid 1 includes a plurality of staggered grid bars 2, which are evenly spaced in the transverse and longitudinal directions to form the separation grid 1. A plurality of separation mesh holes 3 are formed between the plurality of grid bars 2 to allow airflow.

[0025] Specifically, the windward surface of the grid bar 2 has a cutting edge 4. Airflow blowing towards the separation mesh 3 passes through any cutting edge 4, forming a first airflow 5 and a second airflow 6 that split along the sidewall of the grid bar 2. Materials of different densities and particle sizes carried in the airflow are separated by the first airflow 5 and the second airflow 6 after passing through the cutting edge 4. Large-volume, low-density materials carried in the airflow sink with the second airflow 6, while small-volume, high-density materials carried in the airflow rise with the first airflow 5. Specifically, the cutting edge 4 is the sharp edge at the front end of the grid bar 2. When a high-speed airflow passes through the cutting edge 4, the cutting edge 4 can quickly cut and disturb the airflow direction under the action of the high-speed airflow. Grass materials in the airflow decelerate and sink prematurely when passing through the separation grid 1 due to insufficient inertia, while impurities such as soil maintain a relatively fast flow velocity due to higher kinetic energy and inertia, thus forming a significant separation effect.

[0026] Preferably, a local vortex zone 7 is formed on the inner side of the separation mesh 3, and a deceleration zone 8 is formed on the rear side of the separation mesh 3. When the first airflow 5 and the second airflow 6 pass through the separation mesh 3, significant deceleration and directional separation occur in the local vortex zone 7. After the first airflow 5 and the second airflow 6 are decelerated, they flow in layers and enter the deceleration zone 8, which can achieve the separation of grass and impurities such as soil.

[0027] Preferably, the cutting edge 4 comprises multiple sequentially arranged cutting segments, the height of which decreases from both sides towards the center. The cutting segments have an arc-shaped structure, forming separation mesh 3. By creating controllable eddies or turbulent zones through continuous and gradually changing cutting segments, the overall separation effect of the separation grid 1 is achieved.

[0028] Preferably, the angle between the airflow and the axis of the cutting edge 4 is 20-30°. In this case, the cutting effect of the cutting edge 4 on the airflow can be fully guaranteed, resulting in better material separation in the airflow.

[0029] To optimize eddy current intensity and deceleration effect, the thickness of the preferred separation grid 1 is 1.5-5mm. The aperture of the separation mesh 3 is 45-70mm. By optimizing the aperture and spacing, sufficient air permeability is ensured while effectively preventing clogging caused by excessively low overall airflow velocity. This achieves fine separation of different materials such as forage and soil, resulting in efficient recycling and impurity removal.

[0030] In summary, the material collection and separation mechanism of this utility model utilizes the cutting edges of the separation grid to generate controllable vortex and turbulence zones, separating materials of different densities and particle sizes, such as grass, debris, and soil, in a high-speed airflow. As the grass passes through the separation grid, it gathers and falls due to a significant reduction in flow velocity, while lighter dust or soil is guided to another area by the turbulence, thereby achieving effective separation of grass and impurities.

[0031] The above description is based on the preferred embodiments of this utility model. Through the above description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined by the scope of the claims.

Claims

1. A material trough residual material collection and separation mechanism, characterized in that, The system includes a separation grid (1), which includes multiple staggered grid bars (2). Multiple separation mesh holes (3) are formed between the multiple grid bars (2) to allow airflow. The grid bars (2) have cut edges (4) on their windward surfaces. When the airflow blows toward the separation mesh holes (3) passes through any cut edge (4), it forms a first airflow (5) and a second airflow (6) that are split along the sidewall of the grid bar (2). Materials of different densities and particle sizes carried in the airflow are separated by the first airflow (5) and the second airflow (6) after passing through the cut edge (4).

2. The material trough residual material collection and separation mechanism according to claim 1, characterized in that, Large-volume, low-density substances carried in the airflow sink with the second airflow (6), while small-volume, high-density substances carried in the airflow rise with the first airflow (5).

3. The trough heel collection and separation mechanism of claim 2, wherein, A local vortex region (7) is formed on the inner side of the separation mesh (3), and a deceleration region (8) is formed on the rear side of the separation mesh (3).

4. The trough carryover collection separation mechanism of claim 1, wherein, The cut edge (4) has a chamfer.

5. The material trough residual material collection and separation mechanism according to claim 4, characterized in that, The cutting edge (4) includes multiple cutting segments arranged in sequence, the height of which decreases from both sides to the middle.

6. The material trough residual material collection and separation mechanism according to claim 5, characterized in that, The cut segment has an arc-shaped structure.

7. The trough heel collection and separation mechanism of claim 6, wherein, The grid bars (2) are arranged at intervals in the transverse and longitudinal directions, and form a separation mesh (3) through the cut sections.

8. The trough carryover collection separation mechanism of claim 1, wherein, The angle between the airflow and the axial direction of the cutting edge (4) is 20-30°.

9. The trough carryover collection separation mechanism of claim 1, wherein, The aperture of the separation mesh (3) is 45-70 mm.

10. The trough carryover collection separation mechanism of claim 1, wherein, The thickness of the separation grid is 1.5-5mm.

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