Multistage seed selection box for rice planting

Abstract

The utility model provides a multistage seed selection box for rice planting, which relates to the technical field of rice planting and comprises a screening box, a feeding cavity is mounted at the top end of the screening box, a storage cavity is mounted at the top end of the feeding cavity, a winnowing mechanism is arranged on the upper portion of the interior of the screening box, and a screening mechanism is arranged on the lower portion of the interior of the screening box. The draught fan is installed on the upper portion of one side in the screening box, the material blocking plate is installed on the upper portion of one side of the screening box, and the first material collecting cavity is installed below the material blocking plate on one side of the screening box. The winnowing mechanism is arranged on the upper portion of the interior of the screening box, a draught fan, a material baffle and a first material collecting cavity of the winnowing mechanism are matched with one another, dust, rice hulls and other garbage in rice seeds can be winnowed through wind power of the draught fan, the rice seeds are more convenient and faster to select, the efficiency is higher during rice seed selection, and the rice seed selection efficiency is improved. Therefore, the working efficiency of the seed selection box in use is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of rice planting technology, and in particular to a multi-stage seed selection box for rice planting. Background Technology

[0002] Rice refers to the grains without husks removed. Botanically, it belongs to the subspecies of *Oryza sativa* within the subgenus *Oryza* of the genus *Oryza* in the family Poaceae. Humans have identified 22 types of rice, but *Oryza sativa* is the only type used for large-scale trade. Before planting, rice needs to undergo seed selection to separate high-quality grains to increase yield; therefore, multi-stage rice seed selection boxes are required.

[0003] For example, application number CN221183692U discloses "a multi-stage seed selection box for rice planting" and specifically discloses: a feeding mechanism, which is set on the upper side of the box body and includes a support frame, a storage frame, a feeding cylinder, a discharge pipe, a first connecting shaft, a first motor, and blades, wherein the support frame is fixedly connected to the upper left end of the box body; a storage cylinder, which is fixedly connected to the top of the box body, and a second connecting shaft is rotatably connected to the center of the storage cylinder, while a second motor is installed at the rear end of the second connecting shaft. However, in the above technology, it is inconvenient to perform wind selection on the rice seeds, making the screening of some dust and rice husks inside the rice seeds cumbersome, and making the rice seed selection efficiency relatively low, thereby reducing the working efficiency of the seed selection box. Therefore, this utility model proposes a multi-stage seed selection box for rice planting to solve the above problems. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a multi-stage seed selection box for rice cultivation, which solves the problem that existing technologies make it inconvenient to perform wind selection on rice seeds, making the screening of some dust and rice husks inside the seeds cumbersome and resulting in low efficiency in rice seed selection, thereby reducing the working efficiency of the seed selection box during use.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a multi-stage seed selection box for rice planting, including a screening box, a feeding chamber installed at the top of the screening box, a storage chamber installed at the top of the feeding chamber, an air separation mechanism arranged at the upper part of the screening box, and a screening mechanism arranged at the lower part of the screening box.

[0006] The air separation mechanism includes a fan, a baffle plate, and a first collection chamber. The fan is installed above one side of the screening box, the baffle plate is installed above one side of the screening box, and the first collection chamber is installed below the baffle plate on one side of the screening box.

[0007] A further improvement is made in that: the screening mechanism includes a screening plate, a second collection chamber, a telescopic spring connecting shaft, and a transmission structure. The screening plate is installed at an inclination inside the screening box. Two screening plates are installed at an inclination to both sides inside the screening box. The two screening plates are connected by a connecting shaft. Telescopic springs are installed on the inner walls of the screening box on both sides of the bottom end of the screening plate. A second collection chamber is installed on both sides of the screening box at one end of the screening plate.

[0008] A further improvement is made in that: the transmission structure includes a side plate, a fixed rod, a movable sleeve, a connecting rod, a mounting plate, a vertical plate, a servo motor, a crankshaft, and a movable sleeve. The side plate is installed on the top of the upper screening plate. A fixed rod is installed on the inner side of the side plate. A movable sleeve is provided on the outer wall of the fixed rod. A connecting rod is hinged to the upper part of the movable sleeve. A mounting plate is installed inside the screening box. A vertical plate is installed at the bottom of the mounting plate. A servo motor is installed at one end of the vertical plate. A crankshaft is installed on the inner side of the vertical plate. The output end of the servo motor is connected to one end of the crankshaft. A movable sleeve is provided on the outer wall of the crankshaft. The bottom end of the movable sleeve is connected to the top end of the connecting rod.

[0009] A further improvement is that the top of the mounting plate is designed to be inclined, making it less likely for rice seeds to accumulate on the top of the mounting plate.

[0010] A further improvement is that a feeding plate is installed on the inner side of the feeding chamber, and a discharge plate is provided on both sides of the bottom of the storage chamber.

[0011] A further improvement is that both the feed plate and the discharge plate are designed to be inclined, and the two feed plates are symmetrically distributed.

[0012] The beneficial effects of this utility model are as follows: By setting an air separation mechanism at the top inside the screening box, the air separation mechanism utilizes the cooperation between the fan, baffle plate, and first collection chamber to air separate dust, rice husks, and other debris inside the rice seeds, making the rice seed selection process more convenient, faster, and more efficient, thus greatly improving the working efficiency of the seed selection box. Furthermore, by setting a screening mechanism inside the screening box, the screening mechanism utilizes the cooperation between the screening plate, second collection chamber, side plate, fixed rod, movable sleeve, connecting rod, mounting plate, upright plate, servo motor, crankshaft, moving sleeve, telescopic spring, and connecting shaft to grade and screen the rice seeds using two screening plates, separating rice seeds of different sizes, resulting in better seed selection and greatly improving the practicality of the seed selection box. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the overall structure of the feed plate of this utility model;

[0015] Figure 3 This is a schematic diagram of the overall structure of the screening mechanism of this utility model;

[0016] Figure 4 This is a schematic diagram of the overall structure of the transmission structure of this utility model.

[0017] The components are as follows: 1. Screening box; 2. Feeding chamber; 3. Storage chamber; 4. Fan; 5. Baffle plate; 6. First collection chamber; 7. Screening plate; 8. Second collection chamber; 9. Feeding plate; 10. Discharge plate; 11. Side plate; 12. Fixed rod; 13. Movable sleeve; 14. Connecting rod; 15. Mounting plate; 16. Vertical plate; 17. Servo motor; 18. Crankshaft; 19. Moving sleeve; 20. Telescopic spring; 21. Connecting shaft. Detailed Implementation

[0018] To deepen the understanding of this utility model, the present utility model will be further described in detail below with reference to the embodiments. The embodiments are only used to explain the present utility model and do not constitute a limitation on the protection scope of the present utility model.

[0019] according to Figure 1 , 2 As shown in Figures 3 and 4, this embodiment proposes a multi-stage seed selection box for rice cultivation, including a screening box 1. A feeding chamber 2 is installed at the top of the screening box 1, and a storage chamber 3 is installed at the top of the feeding chamber 2. An air separation mechanism is provided at the top of the interior of the screening box 1, and a screening mechanism is provided at the bottom of the interior of the screening box 1.

[0020] The air separation mechanism includes a blower 4, a baffle plate 5, and a first collection chamber 6. The blower 4 is installed above one side of the screening box 1, the baffle plate 5 is installed above one side of the screening box 1, and the first collection chamber 6 is installed below the baffle plate 5 on one side of the screening box 1. In use, the rice grains enter the screening box 1 in an orderly manner. At this time, the blower 4 is started, and the air force of the blower 4 is used to screen the rice grains, removing dust, garbage, rice husks, etc. from inside the rice grains. This makes the rice selection process more convenient and efficient, and greatly improves the working efficiency of the seed selection box.

[0021] The screening mechanism includes a screening plate 7, a second collection chamber 8, a telescopic spring 20, a connecting shaft 21, and a transmission structure. The screening plate 7 is installed obliquely inside the screening box 1. Two screening plates 7 are installed obliquely to both sides inside the screening box 1, and the two screening plates 7 are connected by a connecting shaft 21. Telescopic springs 20 are installed on the inner walls of the screening box 1 on both sides of the bottom end of the screening plate 7. The second collection chamber 8 is installed on both sides of the screening box 1 at one end of the screening plate 7. The transmission structure includes a side plate 11, a fixed rod 12, a movable sleeve 13, and a connecting rod 14. The structure comprises a mounting plate 15, a vertical plate 16, a servo motor 17, a crankshaft 18, and a movable sleeve 19. A side plate 11 is mounted on the top of the upper screening plate 7. A fixing rod 12 is mounted on the inner side of the side plate 11. A movable sleeve 13 is provided on the outer wall of the fixing rod 12. A connecting rod 14 is hinged to the upper part of the movable sleeve 13. The screening box 1 contains the mounting plate 15. A vertical plate 16 is mounted at the bottom of the mounting plate 15. A servo motor 17 is mounted at one end of the vertical plate 16. A crankshaft 18 is mounted on the inner side of the vertical plate 16. The servo motor 17... The output end is connected to one end of the crankshaft 18. A movable sleeve 19 is provided on the outer wall of the crankshaft 18. The bottom end of the movable sleeve 19 is connected to the top end of the connecting rod 14. The top end of the mounting plate 15 is designed to be inclined, so that rice seeds are not easily accumulated on the top end of the mounting plate 15. In use, the rice falls above the screening plate 7. The design of the mounting plate 15 makes it difficult for rice to accumulate on the top end of the mounting plate 15 and also makes it less likely to affect the transmission structure. At this time, the servo motor 17 is started to drive the crankshaft 18 to rotate, thus driving the movable sleeve 19 to move up and down, and then through the connecting rod 14. The cooperation of the movable sleeve 13 and the fixed rod 12 causes the fixed rod 12 to vibrate up and down. Therefore, under the transmission of the connecting shaft 21, the two screening plates 7 are driven to vibrate up and down by the cooperation of the telescopic spring 20, so that the screening plates 7 have a better seed selection effect on rice. The rice that does not pass through the screening plates 7 rolls down the screening plates 7 into the second collection chamber 8 for storage, while the rice that passes through the screening plates 7 falls to the bottom of the screening box 1 for grading and screening, separating rice seeds of different sizes, so that the rice has a better seed selection effect, thereby greatly improving the practicality of the seed selection box in use.

[0022] A feeding plate 9 is installed inside the feeding chamber 2, and a discharging plate 10 is provided on both sides of the bottom of the storage chamber 3. Both the feeding plate 9 and the discharging plate 10 are inclined and symmetrically distributed between the two feeding plates 9. When in use, the use of the feeding plate 9 allows the rice to enter the screening box 1 in an orderly manner, resulting in better screening effect of the rice. At the same time, the use of the discharging plate 10 also makes the rice more comprehensive when it is discharged.

[0023] Working principle: First, the staff pours the rice into the storage chamber 3. After passing through the feeding plate 9, the rice enters the screening box 1 in an orderly manner. At this time, the blower 4 is started, and the air force of the blower 4 is used to screen the rice, removing dust, garbage, rice husks, etc. Then the rice falls on the top of the screening plate 7. The design of the mounting plate 15 makes it difficult for the rice to accumulate on the top of the mounting plate 15 and to affect the transmission structure. At this time, the servo motor 17 is started to drive the crankshaft 18 to rotate, which drives the moving sleeve 19 to move up and down. Then, through the cooperation of the connecting rod 14 and the movable sleeve 13, the fixed rod 12 is driven to shake up and down. Therefore, under the transmission of the connecting shaft 21, with the cooperation of the telescopic spring 20, the two screening plates 7 are driven to shake up and down, so that the screening plates 7 have a better selection effect on the rice. The rice that does not pass through the screening plate 7 rolls down the screening plate 7 into the second collection chamber 8 for storage. The rice that passes through the screening plate 7 falls to the bottom of the screening box 1 for grading and screening.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-stage seed selection box for rice cultivation, comprising a screening box (1), characterized in that: The top of the screening box (1) is equipped with a feeding chamber (2), the top of the feeding chamber (2) is equipped with a storage chamber (3), an air separation mechanism is provided at the top of the screening box (1), and a screening mechanism is provided at the bottom of the screening box (1). The air separation mechanism includes a blower (4), a baffle plate (5) and a first collection chamber (6). The blower (4) is installed above one side of the screening box (1), the baffle plate (5) is installed above one side of the screening box (1), and the first collection chamber (6) is installed below the baffle plate (5) on one side of the screening box (1).

2. The multi-stage seed selection box for rice cultivation according to claim 1, characterized in that: The screening mechanism includes a screening plate (7), a second collection chamber (8), a telescopic spring (20), a connecting shaft (21), and a transmission structure. The screening plate (7) is installed at an angle inside the screening box (1). Two screening plates (7) are installed at an angle to both sides inside the screening box (1). The two screening plates (7) are connected by a connecting shaft (21). Telescopic springs (20) are installed on the inner walls of the screening box (1) on both sides of the bottom end of the screening plate (7). The second collection chamber (8) is installed on both sides of the screening box (1) at one end of the screening plate (7).

3. The multi-stage seed selection box for rice cultivation according to claim 2, characterized in that: The transmission structure includes a side plate (11), a fixed rod (12), a movable sleeve (13), a connecting rod (14), a mounting plate (15), a vertical plate (16), a servo motor (17), a crankshaft (18), and a movable sleeve (19). The side plate (11) is installed on the top of the upper screening plate (7). The fixed rod (12) is installed on the inner side of the side plate (11). The movable sleeve (13) is provided on the outer wall of the fixed rod (12). The connecting rod is hinged to the upper part of the movable sleeve (13). (14) An installation plate (15) is installed inside the screening box (1). A vertical plate (16) is installed at the bottom of the installation plate (15). A servo motor (17) is installed at one end of the vertical plate (16). A crankshaft (18) is installed on the inner side of the vertical plate (16). The output end of the servo motor (17) is connected to one end of the crankshaft (18). A movable sleeve (19) is provided on the outer side wall of the crankshaft (18). The bottom end of the movable sleeve (19) is connected to the top end of the connecting rod (14).

4. The multi-stage seed selection box for rice cultivation according to claim 3, characterized in that: The top of the mounting plate (15) is designed to be inclined, so that rice seeds are not easily accumulated on the top of the mounting plate (15).

5. The multi-stage seed selection box for rice cultivation according to claim 1, characterized in that: A feeding plate (9) is installed on the inner side of the feeding chamber (2), and a discharge plate (10) is provided on both sides of the bottom of the storage chamber (3).

6. The multi-stage seed selection box for rice cultivation according to claim 5, characterized in that: Both the feed plate (9) and the unfeed plate (10) are designed to be inclined, and the two feed plates (9) are symmetrically distributed between each other.

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