A seed sorting device for soybean planting

Abstract

The utility model discloses a kind of seed selection devices for soybean planting, it is related to soybean planting technical field, including water tank, discharging bin and first conveyor belt, the water tank side is provided with drain valve, the drain valve is communicated with discharging bin, the discharging bin is located in water tank middle part, first conveyor belt is installed in the discharging bin, when the device operates, soybean seed is continuously sent into discharging bin containing pre-set density brine by conveying mechanism, during falling, because of the difference in buoyancy, the specific gravity of inferior seed of smaller floats, the specific gravity of qualified seed of larger sinks and falls to the surface of horizontally arranged first conveyor belt, first conveyor belt continuously transfers qualified seed to inclined second conveyor belt, realizes drainage and synchronous output, complete seamless link with external feeding equipment, realize continuous operation.

Description

Technical Field

[0001] This utility model relates to the field of soybean planting technology, specifically to a seed selection device for soybean planting. Background Technology

[0002] The core mechanism of seed selection equipment lies in brine separation: by adjusting the brine density, plump, high-quality seeds sink due to their higher specific gravity, while inferior seeds and impurities float due to their lower specific gravity, thus achieving efficient separation through buoyancy differences. A search reveals a Chinese patent publication number CN207546744U disclosing a seed selection device for soybean cultivation. Although this device can reuse brine repeatedly without multiple discharges and additions, and includes a filter basket and water pump to place inferior seeds into the filter basket for machine selection, saving manpower, it involves a single, all-in-one input of soybeans into the brine tank. After buoyancy separation, inferior seeds are recovered by the filter basket and water pump, and the brine is reused after sedimentation. While this mode reduces brine consumption, it remains an intermittent operation. The next batch can only be loaded after the entire tank has completed flotation, discharge, and cleaning, resulting in downtime, capacity bottlenecks, and automation interruptions, making it difficult to directly integrate with continuous production lines. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides a seed selection device for soybean cultivation, which solves the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a seed selection device for soybean planting, comprising a water tank, a feeding hopper, and a first conveyor belt. A drain valve is provided on one side of the water tank, and the drain valve is connected to the feeding hopper. The feeding hopper is located in the middle of the water tank. The first conveyor belt is installed inside the feeding hopper. One end of the first conveyor belt is driven by a shaft connected to a first motor. The first motor is bolted to the outside of the water tank. A second conveyor belt is provided at one end of the first conveyor belt. One end of the second conveyor belt is driven by a shaft connected to a second motor. The second motor is bolted to the outside of the water tank. A third conveyor belt is provided at the other end of the first conveyor belt. The third conveyor belt is driven by a shaft connected to the output end of a third motor.

[0005] Preferably, the first conveyor belt is horizontally arranged, while the second and third conveyor belts at both ends of the first conveyor belt are inclined. The surfaces of the second and third conveyor belts at both ends of the first conveyor belt are provided with raised baffles. This arrangement ensures that the first conveyor belt horizontally receives qualified seeds after salt water sedimentation, guaranteeing a stable landing point and smooth conveying. The inclined second and third conveyor belts at both ends achieve continuous drainage through slope elevation and output qualified and unqualified seeds respectively, avoiding material mixing. The raised baffles on the surface form an effective barrier during the lifting process, preventing the seeds from slipping.

[0006] Preferably, one end of the third conveyor belt is located above the first conveyor belt, and one end of the second conveyor belt is located below the first conveyor belt. Both the second and third conveyor belts are made of permeable fabric. This structure, through spatial staggered arrangement, allows the third conveyor belt to be suspended above the first conveyor belt, which can directly collect inferior seeds floating on the liquid surface and prevent them from being mixed into the qualified seed stream again. The second conveyor belt is submerged below the first conveyor belt, and the low-level material reception reduces the impact of the drop and reduces seed damage. Both of them are made of permeable fabric, which can remove brine in time during the lifting and conveying process, reduce the subsequent drying load and prevent brine backflow and contamination, thereby further improving sorting efficiency and reducing energy consumption.

[0007] Preferably, a baffle is provided between the third conveyor belt and the first conveyor belt. The baffle is vertically arranged, with one bottom end embedded in the bottom of the water tank, and the top of the baffle is lower than the liquid level. This vertical baffle divides the water tank into a settling zone and a flotation zone. The bottom is fixed to the bottom of the water tank to ensure structural stability, and the top is lower than the liquid level to form an overflow channel. This allows the brine to circulate freely to maintain uniform density, while effectively preventing qualified seeds from drifting into the flotation zone and avoiding secondary mixing. At the same time, it guides the floating inferior seeds to concentrate on the third conveyor belt.

[0008] Preferably, one end of the water tank is connected to a water pump, and the output end of the water pump is connected to the water reservoir via a connecting pipe. A nozzle is installed on one side of the water reservoir, and the nozzles are distributed in a straight line at equal intervals. This configuration continuously pumps the brine drawn by the water pump into the water reservoir through the connecting pipe, and forms a uniform directional jet through the nozzles distributed in a straight line at equal intervals on the side wall of the water reservoir. This generates a stable thrust field on the liquid surface, driving the floating inferior seeds to converge directionally to the inlet of the third conveyor belt, achieving automatic collection without mechanical material handling. The jet synchronously disturbs the liquid surface to prevent local concentration stratification, maintains uniform brine density, improves sorting accuracy, and reduces manual intervention. All electrical components mentioned in this document are connected to an external main controller and 220V AC mains power, and the main controller can be a computer or other conventionally known control device.

[0009] This utility model provides a seed selection device for soybean cultivation. It has the following beneficial effects:

[0010] This invention relates to a seed selection device for soybean cultivation. During operation, soybean seeds are continuously fed into a feeding hopper containing a pre-determined density of brine via a conveyor mechanism. During the descent, due to buoyancy differences, the lighter, inferior seeds float while the heavier, qualified seeds sink and land on the surface of a horizontally arranged first conveyor belt. The first conveyor belt continuously transfers the qualified seeds to an inclined second conveyor belt for draining and simultaneous output, achieving seamless integration with external feeding equipment and enabling continuous operation. Simultaneously, a water pump pumps brine from a water tank into a water hopper via a connecting pipe and sprays it directionally onto the liquid surface through equally spaced, linearly arranged nozzles. This drives the floating inferior seeds to gather on a third conveyor belt, which uses a permeable fabric structure to continuously lift and simultaneously dehydrate and discharge the inferior seeds. The entire process requires no machine shutdown for cleaning or manual intervention, significantly improving batch seed selection efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of this utility model;

[0013] Figure 3 This is a top view of the structure of this utility model;

[0014] Figure 4 This is a side view of the structure of this utility model.

[0015] In the diagram, 1 is the water tank; 2 is the drain valve; 3 is the feeding hopper; 4 is the first conveyor belt; 5 is the first motor; 6 is the second conveyor belt; 7 is the second motor; 8 is the baffle; 9 is the third conveyor belt; 10 is the third motor; 11 is the water pump; 12 is the connecting pipe; 13 is the water tank; and 14 is the nozzle. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example 1:

[0018] Please see Figure 1-4This utility model provides a technical solution: a seed selection device for soybean planting, including a water tank 1, a feeding bin 3, and a first conveyor belt 4. A drain valve 2 is provided on one side of the water tank 1, and the drain valve 2 is connected to the feeding bin 3. The feeding bin 3 is located in the middle of the water tank 1. The first conveyor belt 4 is installed inside the feeding bin 3. One end of the first conveyor belt 4 is connected to a first motor 5 via a shaft. The first motor 5 is bolted to the outside of the water tank 1. A second conveyor belt 6 is provided at one end of the first conveyor belt 4. One end of the second conveyor belt 6 is connected to a second motor 7 via a shaft. The second motor 7 is bolted to the outside of the water tank 1. A third conveyor belt 6 is provided at the other end of the first conveyor belt 4. The third conveyor belt 9 is connected to the output end of the third motor 10 via a shaft. When the device is in use, the soybean seeds are directly conveyed to the feed hopper 3 of the prepared brine through the conveying mechanism. As the soybean seeds fall and scatter inside the feed hopper 3 onto the surface of the first conveyor belt 4, unqualified seeds will float in the brine, while qualified seeds will fall onto the surface of the first conveyor belt 4 and move there. They are then conveyed to the second conveyor belt 6 via the first conveyor belt 4, and after being drained on the surface of the second conveyor belt 6, they are directly output. This device can operate continuously and can be directly connected to external feeding equipment, thus enabling it to be directly connected to a continuous production line.

[0019] Example 2:

[0020] Please see Figure 1-4 This utility model provides a technical solution: a seed selection device for soybean planting, wherein a first conveyor belt 4 is horizontally arranged, and a second conveyor belt 6 and a third conveyor belt 9 at both ends of the first conveyor belt 4 are inclinedly arranged. Both the second conveyor belt 6 and the third conveyor belt at both ends of the first conveyor belt 4 are provided with raised baffles 8. One end of the third conveyor belt 9 is located above the first conveyor belt 4, and one end of the second conveyor belt 6 is located below the first conveyor belt 4. Both the second conveyor belt 6 and the third conveyor belt 9 are made of permeable fabric. A baffle 8 is provided between the third conveyor belt 9 and the first conveyor belt 4. The baffle 8 is vertically arranged, and one bottom end of the baffle 8 is embedded in the bottom of the water tank 1, with the top of the baffle 8 lower than the liquid level. One end of the water tank 1 is connected to the water pump 11. The output end of the water pump 11 is connected to the water tank 13 through the connecting pipe 12. A nozzle 14 is provided on one side of the water tank 13. The nozzles 14 are distributed in a straight line at equal intervals. Under the action of the water pump 11, the water inside the water tank 1 can be pumped into the water tank 13 through the connecting pipe 12. Then, the water inside the water tank 13 can be discharged through the nozzles 14. Water is sprayed onto the liquid surface through the nozzles 14, so that the unqualified seeds floating on the liquid surface can be transported to the conveyor belt. Then, the unqualified seeds can be directly drained and discharged through the third conveyor belt 9, thereby avoiding manual cleaning and making it suitable for large-scale seed selection.

[0021] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0022] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A seed selection device for soybean cultivation, characterized in that: The system includes a water tank (1), a feeding bin (3), and a first conveyor belt (4). A drain valve (2) is provided on one side of the water tank (1), and the drain valve (2) is connected to the feeding bin (3). The feeding bin (3) is located in the middle of the water tank (1). The first conveyor belt (4) is installed inside the feeding bin (3). One end of the first conveyor belt (4) is connected to a first motor (5) via a shaft. The first motor (5) is installed on the outside of the water tank (1) by bolts. A second conveyor belt (6) is provided at one end of the first conveyor belt (4). One end of the second conveyor belt (6) is connected to a second motor (7) via a shaft. The second motor (7) is installed on the outside of the water tank (1) by bolts. A third conveyor belt (9) is provided at the other end of the first conveyor belt (4). The third conveyor belt (9) is connected to the output end of a third motor (10) via a shaft.

2. The seed selection device for soybean planting according to claim 1, characterized in that: The first conveyor belt (4) is arranged horizontally, and the second conveyor belt (6) and the third conveyor belt (9) at both ends of the first conveyor belt (4) are arranged at an angle. The surfaces of the second conveyor belt (6) and the third conveyor belt (9) at both ends of the first conveyor belt (4) are provided with raised baffles (8).

3. The seed selection device for soybean planting according to claim 2, characterized in that: One end of the third conveyor belt (9) is located above the first conveyor belt (4), and one end of the second conveyor belt (6) is located below the first conveyor belt (4). Both the second conveyor belt (6) and the third conveyor belt (9) are made of permeable fabric.

4. The seed selection device for soybean planting according to claim 3, characterized in that: A baffle (8) is provided between the third conveyor belt (9) and the first conveyor belt (4). The baffle (8) is arranged vertically, and one end of the bottom of the baffle (8) is embedded in the bottom of the water tank (1). The top of the baffle (8) is lower than the liquid level.

5. The seed selection device for soybean planting according to claim 4, characterized in that: The water tank (1) is connected to the water pump (11) at one end. The output end of the water pump (11) is connected to the water tank (13) through the connecting pipe (12). A nozzle (14) is provided on one side of the water tank (13). The nozzles (14) are distributed in a straight line with equal spacing.

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