A device for screening pasture seeds in soil

Abstract

The utility model relates to the technical field of pasture seed screening, and disclose a kind of pasture seed screening device in soil, including vibrating sieve separator main body and main support, the one end of vibrating sieve separator main body is connected with discharge plate, and the one end of main support close to discharge plate is fixedly connected with auxiliary support, and the top of auxiliary support is fixedly connected with flotation bin, and the one end of flotation bin close to main support is located the lower end of discharge plate, and the lower end of one side of flotation bin is fixedly connected with drain port.This kind of pasture seed screening device in soil, after using vibrating sieve separator main body to carry out vibrating screening to soil and seed mixture, seed will enter flotation bin from discharge plate, at this time, flotation bin is filled with clean water, after seed falls into flotation bin, full seed sinks to bottom due to large density, empty seed or light impurities can float, and high-quality seed of pure and full can be efficiently obtained by separating precipitate and floating layer, so that full seed is more easily separated out.

Description

Technical Field

[0001] This utility model relates to the field of forage seed screening technology, specifically a forage seed screening device in soil. Background Technology

[0002] In regional ecological restoration and the conservation of traditional forage varieties, it is often necessary to select naturally preserved forage seeds from the soil to maintain regional biodiversity and avoid the risks of commercialized monoculture. These seeds, through long-term natural selection, have developed a high degree of adaptability to the local environment. Their root structure, metabolic mechanisms, and other characteristics endow them with stronger drought resistance, cold resistance, and disease and pest resistance. They can maintain stable yields even under extreme climate or soil degradation conditions, providing sustainable species resource support for ecological restoration.

[0003] Currently, the screening of forage seeds in soil mostly uses vibrating sieves, whose core structure is a multi-layered screen with customized apertures. Through mechanical vibration, soil samples move across the screen. Fine soil particles and debris smaller than the sieve apertures fall layer by layer under the influence of gravity and vibration, while plump seeds, due to their larger particle size, are retained on the upper sieve surface, achieving initial separation. However, this technology can only perform coarse screening based on particle size differences and cannot effectively remove empty or shriveled seeds or lightweight impurities with similar particle sizes. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a soil forage seed screening device that more easily removes empty or shriveled seeds or lightweight impurities with a similar particle size to the seeds.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a soil forage seed screening device, comprising a vibrating screen body and a main support, wherein a discharge plate is connected to one end of the vibrating screen body, a secondary support is fixedly connected to one end of the main support near the discharge plate, a flotation chamber is fixedly connected to the top of the secondary support, the end of the flotation chamber near the main support is located at the lower end of the discharge plate, and a drain outlet is fixedly connected to the lower end of one side of the flotation chamber.

[0006] Furthermore, a partition is provided in the middle of the flotation chamber, and an impurity discharge trough is provided at one end of the side of the flotation chamber near the main support. An impurity discharge plate that matches the impurity discharge trough is fixed to the side wall of the flotation chamber, and the bottom of the partition is lower than the horizontal height of the impurity discharge trough.

[0007] Furthermore, a seed discharge trough is provided at the end of the flotation chamber away from the main support, and a seed discharge plate matching the seed discharge trough is fixedly connected to the end of the flotation chamber away from the main support.

[0008] Furthermore, a rotating shaft is rotatably connected to the end of the flotation chamber away from the main body of the vibrating screen. A motor is fixedly connected to the side wall of the flotation chamber. One end of the rotating shaft is fixedly connected to the output end of the motor. Multiple rotating screen plates are fixedly connected to the outer wall of the rotating shaft, and the rotating screen plates are evenly distributed.

[0009] Furthermore, a frame plate is fixed to one side of the rotating screen plate. The frame plate is U-shaped and has a chamfer on the side away from the rotating screen plate. A guide plate is fixed to the middle of the frame plate. The angle formed between the end of the rotating screen plate away from the rotating shaft and the guide plate is an acute angle.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] This soil forage seed screening device uses a vibrating screen to screen the soil and seed mixture. The seeds then enter the flotation chamber from the discharge plate. The flotation chamber is filled with water. After the seeds fall into the flotation chamber, plump seeds sink to the bottom due to their high density, while empty or shriveled seeds or light impurities float. By separating the sediment from the floating layer, pure, plump, and high-quality seeds can be obtained efficiently, making it easier to separate plump seeds. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a cross-sectional view of the flotation chamber of this utility model;

[0014] Figure 3 This is a schematic diagram of the connection structure between the rotating shaft and the rotating screen plate of this utility model.

[0015] In the diagram: 1. Vibrating screen body; 2. Main support; 3. Auxiliary support; 4. Flotation chamber; 5. Motor; 6. Rotating shaft; 7. Rotating screen plate; 8. Frame plate; 9. Seed discharge plate; 10. Baffle plate; 11. Impurity discharge plate; 12. Drain outlet; 13. Guide plate. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Please see Figure 1-3 A soil forage seed screening device includes a vibrating screen body 1 and a main support 2. One end of the vibrating screen body 1 is connected to a discharge plate. A secondary support 3 is fixedly connected to the end of the main support 2 near the discharge plate. A flotation chamber 4 is fixedly connected to the top of the secondary support 3. The end of the flotation chamber 4 near the main support 2 is located at the lower end of the discharge plate. A drain outlet 12 is fixedly connected to the lower end of one side of the flotation chamber 4.

[0018] The soil forage seed screening device of this utility model requires filling the flotation chamber 4 with clean water before starting the vibrating screen body 1. Then, the vibrating screen body 1 can be used to vibrate and screen the soil and seed mixture. When the vibrating screen body 1 is started, the motor drives the vibrator to rotate, and the eccentric mass block generates centrifugal force, forming a periodic excitation force. This excitation force is transmitted to the screen box, causing the screen box to vibrate periodically (such as circular motion, elliptical motion, or complex rotational vibration) along the direction of the excitation force. The soil and seed mixture is then fed from the top of the vibrating screen body 1. The mixture will jump or roll on the screen surface, with fine particles such as soil falling through the screen holes to the lower layer, while light impurities such as seeds are separated. Coarse particles (such as hay stalks) will be intercepted and retained in the upper layer, thus achieving a preliminary separation effect. The seeds after preliminary separation will enter the flotation chamber 4 from the discharge plate of the vibrating screen body 1. After the seeds fall into the flotation chamber 4, the plump seeds will sink directly to the bottom due to their high density, while the empty seeds or light impurities will float due to their low density. After the vibrating screen body 1 has been working for a period of time, the feeding of soil and seed mixture can be stopped briefly. At this time, water can be injected into the flotation chamber 4. The empty seeds or light impurities floating on the top of the flotation chamber 4 will overflow with the water flow. Then, the plump seeds can be scooped out of the flotation chamber 4 using tools such as a scoop net. In addition, since the vibrating screen body 1 is an existing mature product, it will not be described in detail here.

[0019] It is worth noting that after the seeds are removed from the flotation chamber 4, the surface moisture should be absorbed as soon as possible with a clean cloth or filter screen to avoid seed accumulation. Spread the seeds out to dry in a ventilated place (avoid direct sunlight), or use a low-temperature drying device (temperature ≤40℃) to prevent high temperature damage to the seeds, thus facilitating seed storage.

[0020] like Figure 2 As shown, a partition 10 is provided in the middle of the flotation chamber 4, and an impurity discharge trough is provided on the side of the flotation chamber 4 near the main support 2. An impurity discharge plate 11 matching the impurity discharge trough is fixed to the side wall of the flotation chamber 4. The bottom of the partition 10 is lower than the horizontal height of the impurity discharge trough.

[0021] Specifically, when water is injected into the flotation chamber 4, empty or shriveled seeds or light impurities floating on the top of the flotation chamber 4 will overflow from the impurity discharge trough with the water flow. At the same time, the impurity discharge plate 11 will guide the discharged impurities for easy processing. In addition, the baffle 10 will intercept the empty or shriveled seeds or light impurities floating on the top of the flotation chamber 4. In this way, the operator can retrieve the plump seeds from the end of the flotation chamber 4 away from the main support 2 at any time.

[0022] like Figure 1 and Figure 2As shown, a seed discharge trough is provided at the end of the flotation chamber 4 away from the main support 2, and a seed discharge plate 9 that matches the seed discharge trough is fixedly connected to the end of the flotation chamber 4 away from the main support 2.

[0023] like Figure 2 and Figure 3 As shown, a rotating shaft 6 is rotatably connected to the end of the flotation chamber 4 away from the main body 1 of the vibrating screen. A motor 5 is fixedly connected to the side wall of the flotation chamber 4. One end of the rotating shaft 6 is fixedly connected to the output end of the motor 5. Multiple rotating screen plates 7 are fixedly connected to the outer wall of the rotating shaft 6. The rotating screen plates 7 are equidistantly distributed.

[0024] Specifically, when the main body 1 of the vibrating screen is working, the motor 5 will also work synchronously. The motor 5 will drive the rotating shaft 6 to rotate. At this time, the rotating shaft 6 will drive the rotating screen plate 7 to rotate. The rotating screen plate 7 will enter the water body of the flotation chamber 4 from the side of the seed discharge plate 9 and exit from the side of the rotating shaft 6 away from the seed discharge plate 9. During this process, the rotating screen plate 7 will pick up the plump seeds at the bottom of the flotation chamber 4. When the rotating screen plate 7 rotates to the position of the seed discharge plate 9, the plump seeds will fall onto the seed discharge plate 9, thus facilitating the discharge of the seeds.

[0025] It is worth noting that: both ends of the rotating shaft 6 are fixedly connected to inner bearing sleeves, and an outer bearing sleeve is fitted on the outside of the inner bearing sleeve. The outer wall of the outer bearing sleeve is fixedly connected to the flotation chamber 4. Since this is an existing mature technology and product, it will not be elaborated on here, and it is not shown in the figure.

[0026] like Figure 2 and Figure 3 As shown, a frame plate 8 is fixed to one side of the rotating screen plate 7. The frame plate 8 is U-shaped, and a chamfer is provided on the side of the frame plate 8 away from the rotating screen plate 7. A guide plate 13 is fixed to the middle position of the frame plate 8. The angle formed between the end of the rotating screen plate 7 away from the rotating shaft 6 and the guide plate 13 is an acute angle.

[0027] Specifically, the frame plate 8 restricts the seeds, making it easier for the rotating sieve plate 7 to scoop them up. At the same time, before the rotating sieve plate 7 rotates to the same position as the seed discharge plate 9 (i.e., reaches the position of the seed discharge plate 9), the guide plate 13 will be in a parallel state with the seed discharge plate 9, which facilitates the guidance and discharge of the seeds scooped up by the frame plate 8 and the rotating sieve plate 7. In addition, the guide plate 13 also restricts the seeds, preventing them from falling onto the rotating shaft 6 when the rotating sieve plate 7 rotates above the rotating shaft 6, thus preventing the seeds from being difficult to discharge.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A soil forage seed screening device, comprising a vibrating sieve body (1) and a main support (2), characterized in that, One end of the vibrating screen body (1) is connected to a discharge plate. The main support (2) is fixed to a secondary support (3) at the end near the discharge plate. The top of the secondary support (3) is fixed to a flotation chamber (4). The end of the flotation chamber (4) near the main support (2) is located at the lower end of the discharge plate. The lower end of one side of the flotation chamber (4) is fixed to a drain outlet (12).

2. The soil forage seed screening device according to claim 1, characterized in that, The flotation chamber (4) is provided with a partition (10) in the middle. The side of the flotation chamber (4) near the main support (2) is provided with an impurity discharge trough. The side wall of the flotation chamber (4) is fixed with an impurity discharge plate (11) that matches the impurity discharge trough. The bottom of the partition (10) is lower than the horizontal height of the impurity discharge trough.

3. A soil forage seed screening device according to claim 1 or 2, characterized in that, The flotation chamber (4) is provided with a seed discharge trough at one end away from the main support (2), and a seed discharge plate (9) matching the seed discharge trough is fixedly connected to the other end of the flotation chamber (4) away from the main support (2).

4. A soil forage seed screening device according to claim 1 or 2, characterized in that, The flotation chamber (4) is rotatably connected to a rotating shaft (6) at one end away from the main body (1) of the vibrating screen. A motor (5) is fixedly connected to the side wall of the flotation chamber (4). One end of the rotating shaft (6) is fixedly connected to the output end of the motor (5). Multiple rotating screen plates (7) are fixedly connected to the outer wall of the rotating shaft (6). The rotating screen plates (7) are equidistantly distributed.

5. The soil forage seed screening device according to claim 3, characterized in that, The flotation chamber (4) is rotatably connected to a rotating shaft (6) at one end away from the main body (1) of the vibrating screen. A motor (5) is fixedly connected to the side wall of the flotation chamber (4). One end of the rotating shaft (6) is fixedly connected to the output end of the motor (5). Multiple rotating screen plates (7) are fixedly connected to the outer wall of the rotating shaft (6). The rotating screen plates (7) are equidistantly distributed.

6. The soil forage seed screening device according to claim 4, characterized in that, A frame plate (8) is fixed to one side of the rotating screen plate (7). The frame plate (8) is U-shaped and has a chamfer on the side away from the rotating screen plate (7). A guide plate (13) is fixed to the middle of the frame plate (8). The angle formed between the end of the rotating screen plate (7) away from the rotating shaft (6) and the guide plate (13) is an acute angle.

7. The soil forage seed screening device according to claim 5, characterized in that, A frame plate (8) is fixed to one side of the rotating screen plate (7). The frame plate (8) is U-shaped and has a chamfer on the side away from the rotating screen plate (7). A guide plate (13) is fixed to the middle of the frame plate (8). The angle formed between the end of the rotating screen plate (7) away from the rotating shaft (6) and the guide plate (13) is an acute angle.

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