A seed selection device and method for wheat breeding

By designing a motor-driven reciprocating motion and an airbag exhaust system, combined with a stirring rod and a suction cup, the problem of low seed movement and selection efficiency in wheat breeding was solved, and efficient seed selection operations were achieved.

CN115634771BActive Publication Date: 2026-05-26XIANYANG ACAD OF AGRI SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIANYANG ACAD OF AGRI SCI
Filing Date
2022-09-09
Publication Date
2026-05-26

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Abstract

This invention discloses a seed selection device and method for wheat breeding, comprising a box body. The box body is characterized by: a T-shaped plate fixedly connected to the box body; a vertical plate fixedly connected to the T-shaped plate; an air bladder fixedly connected to the T-shaped plate; an exhaust pipe fixedly connected to the air bladder; an air inlet pipe fixedly connected to the air bladder; one end of a spring fixedly connected to the air bladder; the other end of the spring fixedly connected to an L-plate; a mounting plate fixedly connected to the L-plate; the air bladder rotatably connected to the mounting plate; and a processing box fixedly connected to the mounting plate. This invention relates to the field of breeding equipment, specifically to a seed selection device and method for wheat breeding. The technical problem this invention aims to solve is to provide a seed selection device and method for wheat breeding, facilitating seed selection in wheat breeding.
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Description

Technical Field

[0001] This invention relates to the field of breeding equipment, and more specifically, to a seed selection device and method for wheat breeding. Background Technology

[0002] Wheat breeding refers to the process by which people, according to their own wishes, use gene recombination (through gene separation, free combination or linkage exchange, to isolate superior traits or to combine various superior traits together) to purposefully and systematically obtain the new wheat varieties they need.

[0003] Wheat seed selection is an important part of wheat breeding. If a device could be provided that uses water and air to move the seeds upwards, it would facilitate wheat seed selection. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a seed selection device and method for wheat breeding, which facilitates seed selection in wheat breeding.

[0005] The present invention achieves its objective by employing the following technical solution:

[0006] A seed selection device and method for wheat breeding includes a box body, characterized in that: a T-shaped plate is fixedly connected to the box body; a vertical plate is fixedly connected to the T-shaped plate; an air bladder is fixedly connected to the T-shaped plate; an exhaust pipe is fixedly connected to the air bladder; an air inlet pipe is fixedly connected to the air bladder; one end of a spring is fixedly connected to the air bladder; the other end of the spring is fixedly connected to an L-plate; an installation plate is fixedly connected to the L-plate; the air bladder is rotatably connected to the L-plate; a processing box is fixedly connected to the processing box; a set of narrow grooves is provided on the bottom plate of the processing box; a wide groove is provided on one vertical plate of the processing box; one end of a connecting rod is rotatably connected to the L-plate; the other end of the connecting rod is rotatably connected to one end of the vertical plate; one end of a connecting rod is rotatably connected to the L-plate; the other end of the connecting rod is rotatably connected to the other end of the vertical plate; a cross rod is rotatably connected to the L-plate; the cross rod has a straight groove; a stirring rod is fixedly connected to the cross rod; a round rod is fixedly connected to the vertical plate; the round rod is bearing-connected to the center of the round plate; a round rod is fixedly connected to the edge of the round plate; the round rod is disposed within the straight groove.

[0007] As a further limitation of this technical solution, the box body is fixedly connected to a horizontal plate, the horizontal plate is fixedly connected to a motor, the output shaft of the motor passes through the horizontal plate, the output shaft of the motor is fixedly connected to the center of a circular plate, the edge of the circular plate is fixedly connected to a circular rod, and the circular plate is concentric with the circular plate.

[0008] As a further limitation of this technical solution, the horizontal plate is fixedly connected to one end of the horizontal bar, the other end of the horizontal bar is fixedly connected to the long plate, the long plate is fixedly connected to the seed selection box, the seed selection box is fixedly connected to the feed pipe, the long plate is fixedly connected to symmetrical vertical blocks, the long plate is fixedly connected to the second motor, the output shaft of the second motor passes through the long plate, the output shaft of the second motor is fixedly connected to the first bevel gear, and the output shaft of the second motor is rotatably connected to the ring.

[0009] As a further limitation of this technical solution, the vertical block bearing is connected to a circular shaft one, the circular shaft one passes through the circular ring, the circular shaft one is fixedly connected to a bevel gear four and a bevel gear two, the bevel gear two meshes with the bevel gear one, the two ends of the circular shaft one are respectively fixedly connected to connecting rods, the connecting rods are fixedly connected to suction cups, the suction cups are fixedly connected to the material tube, the circular ring bearing is connected to a circular shaft two, the circular shaft two is fixedly connected to a bevel gear three, the bevel gear three meshes with the bevel gear four, and the circular shaft two is fixedly connected to a stirring plate.

[0010] A selection method for wheat breeding, characterized by comprising the following steps:

[0011] Step 1: Pour an appropriate amount of wheat seeds into the processing box;

[0012] Step 2: Pour an appropriate amount of water into the box;

[0013] Step 3: Connect the feed pipe and the feed tube using a flexible hose;

[0014] Step 4: Open the first motor, the second motor, and the seed selection box;

[0015] Step 5: When the first motor is turned on, driven by the relevant components, the processing box reciprocates, causing the wheat seeds to move back and forth. With the assistance of the spring, the L-plate swings downward to squeeze the airbag. The air in the airbag is discharged through the exhaust pipe, and the bubbles are discharged from the water surface through the narrow groove, causing a violent change in the water surface and driving the seeds to move. The seeds are discharged from the wide groove. The stirring rod reciprocates, pushing the seeds to the stirring plate. When the second motor is turned on, the stirring plate reciprocates, rotating and pushing the seeds gathered on the stirring plate to the suction cup. The suction cup reciprocates, contacting the seeds. The seed selection box works, causing the suction cup to pick up the seeds, thus realizing the seed selection box collecting the seeds.

[0016] As a further limitation of this technical solution, when the motor is turned on, the motor drives the circular plate to rotate, the circular plate drives the circular rod to swing back and forth in the straight groove, the circular rod drives the circular plate to rotate, the circular rod drives the cross rod to swing back and forth, the cross rod drives the L plate to swing back and forth, the L plate drives the connecting rod 1 and the connecting rod 2 to swing back and forth, the L plate drives the mounting plate to swing back and forth, the mounting plate drives the processing box to swing back and forth, the cross rod drives the stirring rod to swing back and forth, the L plate reciprocates to compress the spring, the spring compresses the airbag, the air in the airbag is discharged through the exhaust pipe, and when the spring returns to its original state, the air enters the airbag through the air inlet pipe.

[0017] As a further limitation of this technical solution, when the second motor is turned on, the second motor rotates back and forth, the second motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear, the first round shaft and the fourth bevel gear to rotate back and forth, the first round shaft drives the connecting rod, the suction cup and the material tube to swing back and forth, and the fourth bevel gear drives the second round shaft and the stirring plate to rotate back and forth.

[0018] As a further limitation of this technical solution, the second motor is a geared motor.

[0019] As a further limitation of this technical solution, the material of the processing box is lightweight plastic.

[0020] As a further limitation of this technical solution, the size of the narrow groove is smaller than the size of a wheat grain, and the size of the wide groove is larger than the size of a wheat grain.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] 1. This device is equipped with a motor, which, driven by related components, enables the processing box to swing back and forth, causing the wheat seeds to move back and forth. With the assistance of the spring, the L-plate swings downward to squeeze the air bladder. The air inside the air bladder is discharged through the exhaust pipe, and the air bubbles are discharged from the water surface through the narrow groove, causing a violent change in the water surface, which drives the seeds to move and discharge them from the wide groove. The stirring rod moves back and forth, pushing the seeds to the stirring plate.

[0023] 2. This device is equipped with a second motor. Driven by related components, the stirring plate swings back and forth, pushing the seeds gathered on the stirring plate to the suction cup. The suction cup swings back and forth to contact the seeds, and the seed selection box works, so that the suction cup picks up the seeds, thus realizing the seed selection box collecting seeds.

[0024] 3. This device, through its ingenious design, utilizes the fact that air is less dense than water. When air enters the water, it moves upward, causing the seeds to tumble, thus achieving seed selection and improving selection efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 .

[0026] Figure 2 This is a partial cross-sectional three-dimensional structural diagram of the present invention. Figure 1 .

[0027] Figure 3 This is a partial three-dimensional structural diagram of the present invention. Figure 1 .

[0028] Figure 4 This is a partial three-dimensional structural diagram of the present invention. Figure 2 .

[0029] Figure 5 This is a partial three-dimensional structural diagram of the present invention. Figure 3 .

[0030] Figure 6 This is a partial cross-sectional three-dimensional structural diagram of the present invention. Figure 2 .

[0031] Figure 7 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0032] In the diagram: 1. Box body, 2. Processing box, 3. Narrow trough, 4. Wide trough, 5. Motor 1, 6. Horizontal plate, 7. Horizontal bar, 8. Long plate, 9. Seed selection box, 10. Vertical plate, 11. T-shaped plate, 12. Airbag, 13. Exhaust pipe, 14. Inlet pipe, 15. Stirring rod, 16. Cross rod, 17. Circular plate 1, 18. Circular rod 1, 19. Connecting rod 1, 20. Connecting rod 2, 21. Spring 22. Mounting plate, 23. L-plate, 24. Straight groove, 25. Round rod II, 26. Round plate II, 27. Feed pipe, 28. Vertical block, 29. Ring, 30. Motor II, 31. Bevel gear I, 32. Bevel gear II, 33. Round shaft I, 34. Connecting rod, 35. Material pipe, 36. Suction cup, 37. Stirring plate, 38. Round shaft II, 39. Bevel gear III, 40. Bevel gear IV. Detailed Implementation

[0033] The following detailed description of a specific embodiment of the present invention is provided in conjunction with the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0034] This invention includes a housing 1, wherein a T-shaped plate 11 is fixedly connected to the housing 1, a vertical plate 10 is fixedly connected to the T-shaped plate 11, an airbag 12 is fixedly connected to the T-shaped plate 11, an exhaust pipe 13 is fixedly connected to the airbag 12, an intake pipe 14 is fixedly connected to the airbag 12, one end of a spring 21 is fixedly connected to the airbag 12, the other end of the spring 21 is fixedly connected to an L-plate 23, an mounting plate 22 is fixedly connected to the L-plate 23, the airbag 12 is rotatably connected to the mounting plate 22, and a processing box 2 is fixedly connected to the processing box 2. A set of narrow grooves 3 is provided on the bottom plate of the processing box 2, and a wide groove 4 is provided on one of the vertical plates of the processing box 2. The L-plate 23 is rotatably connected to one end of the connecting rod 19, and the other end of the connecting rod 19 is rotatably connected to one end of the vertical plate 10. The L-plate 23 is rotatably connected to one end of the connecting rod 20, and the other end of the connecting rod 20 is rotatably connected to the other end of the vertical plate 10. The L-plate 23 is rotatably connected to the cross rod 16, which is provided with a straight groove 24. The cross rod 16 is fixedly connected to the stirring rod 15. The vertical plate 10 is fixedly connected to the round rod 18, which is bearing-connected to the center of the round plate 17. The round rod 25 is fixedly connected to the edge of the round plate 17 and is disposed in the straight groove 24.

[0035] The box 1 is fixedly connected to the horizontal plate 6, the horizontal plate 6 is fixedly connected to the motor 5, the output shaft of the motor 5 passes through the horizontal plate 6, the output shaft of the motor 5 is fixedly connected to the center of the circular plate 26, the circular rod 25 is fixedly connected to the edge of the circular plate 26, and the circular plate 26 is concentric with the circular plate 17.

[0036] The horizontal plate 6 is fixedly connected to one end of the horizontal bar 7, and the other end of the horizontal bar 7 is fixedly connected to the long plate 8. The long plate 8 is fixedly connected to the seed selection box 9, and the seed selection box 9 is fixedly connected to the feed pipe 27. The long plate 8 is fixedly connected to the symmetrical vertical blocks 28, and the long plate 8 is fixedly connected to the second motor 30. The output shaft of the second motor 30 passes through the long plate 8, and the output shaft of the second motor 30 is fixedly connected to the first bevel gear 31. The output shaft of the second motor 30 is rotatably connected to the ring 29.

[0037] The vertical block 28 is connected to a bearing shaft 33. The bearing shaft 33 passes through the ring 29. The bearing shaft 33 is fixedly connected to a bevel gear 40 and a bevel gear 32. The bevel gear 32 meshes with the bevel gear 31. The two ends of the bearing shaft 33 are fixedly connected to connecting rods 34. The connecting rods 34 are fixedly connected to suction cups 36. The suction cups 36 are fixedly connected to the material tube 35. The ring 29 is connected to a bearing shaft 38. The bearing shaft 38 is fixedly connected to a bevel gear 39. The bevel gear 39 meshes with the bevel gear 40. The bearing shaft 38 is fixedly connected to a stirring plate 37.

[0038] A selection method for wheat breeding includes the following steps:

[0039] Step 1: Pour an appropriate amount of wheat seeds into the processing box 2;

[0040] Step 2: Pour an appropriate amount of water into the box 1;

[0041] Step 3: Connect the feed pipe 27 and the feed pipe 35 using a flexible hose;

[0042] Step 4: Turn on the first motor 5, the second motor 30, and the seed selection box 9;

[0043] Step 5: When motor 5 is turned on, the processing box 2 reciprocates under the drive of related components, causing the wheat seeds to move back and forth. With the assistance of spring 21, L-plate 23 swings downward to squeeze airbag 12. Air in airbag 12 is discharged through exhaust pipe 13, and air bubbles are discharged from the water surface through narrow groove 3, causing a violent change in the water surface, which drives the seeds to move and discharge them from wide groove 4. Stirring rod 15 reciprocates, pushing the seeds to stirring plate 37. When motor 30 is turned on, stirring plate 37 reciprocates, rotating and pushing the seeds gathered on stirring plate 37 to suction cup 36. Suction cup 36 reciprocates to contact the seeds, and seed selection box 9 works, causing suction cup 36 to pick up the seeds, thus realizing seed collection by seed selection box 9.

[0044] When the motor 5 is turned on, the motor 5 drives the circular plate 26 to rotate, the circular plate 26 drives the circular rod 25 to swing back and forth in the straight groove 24, the circular rod 25 drives the circular plate 17 to rotate, the circular rod 25 drives the cross rod 16 to swing back and forth, the cross rod 16 drives the L plate 23 to swing back and forth, the L plate 23 drives the connecting rod 19 and the connecting rod 20 to swing back and forth, the L plate 23 drives the mounting plate 22 to swing back and forth, the mounting plate 22 drives the processing box 2 to swing back and forth, the cross rod 16 drives the stirring rod 15 to swing back and forth, the L plate 23 reciprocates to compress the spring 21, the spring 21 compresses the airbag 12, the air in the airbag 12 is discharged through the exhaust pipe 13, when the spring 21 returns to its original state, the air enters the airbag 12 through the air inlet pipe 14.

[0045] When the second motor 30 is turned on, the second motor 30 rotates back and forth, driving the first bevel gear 31 to rotate. The first bevel gear 31 drives the second bevel gear 32, the first round shaft 33, and the fourth bevel gear 40 to rotate back and forth. The first round shaft 33 drives the connecting rod 34, the suction cup 36, and the material tube 35 to swing back and forth. The fourth bevel gear 40 drives the second round shaft 38 and the stirring plate 37 to rotate back and forth.

[0046] The second motor 30 is a geared motor.

[0047] The processing box 2 is made of lightweight plastic.

[0048] The narrow groove 3 is smaller than the size of a wheat grain, and the wide groove 4 is larger than the size of a wheat grain.

[0049] One-way valves are respectively installed in the exhaust pipe 13 and the intake pipe 14.

[0050] The workflow of this invention is as follows: pour an appropriate amount of wheat seeds into the processing box 2.

[0051] Pour an appropriate amount of water into container 1.

[0052] Use a flexible hose to connect the feed pipe 27 and the feed pipe 35.

[0053] Turn on motor 1 (5), motor 2 (30), and seed selection box (9).

[0054] When motor 5 is turned on, motor 5 drives circular plate 26 to rotate. Circular plate 26 drives circular rod 25 to oscillate back and forth in straight groove 24. Circular rod 25 drives circular plate 17 to rotate. Circular rod 25 drives cross rod 16 to oscillate back and forth. Cross rod 16 drives L-plate 23 to oscillate back and forth. L-plate 23 drives connecting rod 19 and connecting rod 20 to oscillate back and forth. L-plate 23 drives mounting plate 22 to oscillate back and forth. Mounting plate 22 drives processing box 2 to oscillate back and forth. Cross rod 16 drives stirring rod 15 to oscillate back and forth. L-plate 23 reciprocates by compressing spring 21. Spring 21 compresses airbag 12. One-way valve in exhaust pipe 13 opens, and air in airbag 12 is discharged through exhaust pipe 13. When spring 21 returns to its original position, one-way valve in air inlet pipe 14 opens, and air enters airbag 12 through air inlet pipe 14.

[0055] When motor 2 30 is turned on, motor 2 30 rotates back and forth, which drives bevel gear 1 31 to rotate. Bevel gear 1 31 drives bevel gear 2 32, round shaft 1 33 and bevel gear 40 to rotate back and forth. Round shaft 1 33 drives connecting rod 34, suction cup 36 and material pipe 35 to swing back and forth. Bevel gear 40 drives round shaft 2 38 and stirring plate 37 to rotate back and forth.

[0056] A pump is installed inside the seed selection box 9. The pump moves to allow the suction cup 36 to pick up the seeds and put them into the seed selection box 9.

[0057] When motor 5 is turned on, the processing box 2 swings back and forth under the drive of related components, causing the wheat seeds to move back and forth. With the assistance of spring 21, L plate 23 swings downward to squeeze air bag 12. The air in air bag 12 is discharged through exhaust pipe 13. The air bubbles are discharged from the water surface through narrow groove 3, causing a violent change in the water surface, which drives the seeds to move and discharge them from wide groove 4. Stirring rod 15 moves back and forth, pushing the seeds to stirring plate 37. When motor 30 is turned on, stirring plate 37 swings back and forth, rotating and pushing the seeds gathered at stirring plate 37 to suction cup 36. Suction cup 36 swings back and forth to contact the seeds. Seed selection box 9 works, causing suction cup 36 to pick up the seeds, thus realizing seed collection by seed selection box 9.

[0058] This device uses a motor 5 to drive the processing box 2 to swing back and forth, which in turn drives the wheat seeds to move back and forth. With the assistance of the spring 21, the L plate 23 swings downward to squeeze the air bag 12. The air in the air bag 12 is discharged through the exhaust pipe 13. The air bubbles are discharged from the water surface through the narrow groove 3, causing a violent change in the water surface, which drives the seeds to move and discharge them from the wide groove 4. The stirring rod 15 moves back and forth, pushing the seeds to the stirring plate 37.

[0059] This device uses a motor 30 to drive a stirring plate 37 to oscillate back and forth, which in turn pushes the seeds gathered on the stirring plate 37 to the suction cup 36. The suction cup 36 oscillates back and forth to contact the seeds, and the seed selection box 9 works to make the suction cup 36 pick up the seeds, thus enabling the seed selection box 9 to collect the seeds.

[0060] This device, through its ingenious design, utilizes the fact that air is less dense than water. When air enters water, it moves upward, causing the seeds to tumble, thus enabling seed selection and improving selection efficiency.

[0061] The above-disclosed embodiments are merely specific examples of the present invention. However, the present invention is not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A seed selection device for wheat breeding, comprising a housing (1), characterized in that: The box body (1) is fixedly connected to a T-shaped plate (11), and the T-shaped plate (11) is fixedly connected to a vertical plate (10); The T-shaped plate (11) is fixedly connected to the airbag (12), the airbag (12) is fixedly connected to the exhaust pipe (13), and the airbag (12) is fixedly connected to the air intake pipe (14). The airbag (12) is fixedly connected to one end of the spring (21), and the other end of the spring (21) is fixedly connected to the L plate (23). The L plate (23) is fixedly connected to the mounting plate (22), and the L plate (23) is rotatably connected to the airbag (12). The mounting plate (22) is fixedly connected to the processing box (2). A set of narrow grooves (3) is provided on the bottom plate of the processing box (2), and a wide groove (4) is provided on one of the vertical plates of the processing box (2). The L plate (23) is rotatably connected to one end of the connecting rod (19), and the other end of the connecting rod (19) is rotatably connected to one end of the vertical plate (10); The L plate (23) is rotatably connected to one end of the second connecting rod (20), and the other end of the second connecting rod (20) is rotatably connected to the other end of the vertical plate (10); The L plate (23) is rotatably connected to the cross rod (16), the cross rod (16) is provided with a straight groove (24), and the cross rod (16) is fixedly connected to the stirring rod (15); The vertical plate (10) is fixedly connected to the first round rod (18), the first round rod (18) is connected to the center of the first round plate (17) by a bearing, the second round rod (25) is fixedly connected to the edge of the first round plate (17), and the second round rod (25) is set in the straight groove (24).

2. The seed selection device for wheat breeding according to claim 1, characterized in that: The box body (1) is fixedly connected to the horizontal plate (6), the horizontal plate (6) is fixedly connected to the motor one (5), the output shaft of the motor one (5) passes through the horizontal plate (6), the output shaft of the motor one (5) is fixedly connected to the center of the circular plate two (26), the circular rod two (25) is fixedly connected to the edge of the circular plate two (26), and the circular plate two (26) is concentric with the circular plate one (17).

3. The seed selection device for wheat breeding according to claim 2, characterized in that: The horizontal plate (6) is fixedly connected to one end of the horizontal bar (7), and the other end of the horizontal bar (7) is fixedly connected to the long plate (8). The long plate (8) is fixedly connected to the seed selection box (9), and the seed selection box (9) is fixedly connected to the feed pipe (27). The long plate (8) is fixedly connected to the symmetrical vertical block (28). The long plate (8) is fixedly connected to the second motor (30). The output shaft of the second motor (30) passes through the long plate (8). The output shaft of the second motor (30) is fixedly connected to the first bevel gear (31). The output shaft of the second motor (30) is rotatably connected to the ring (29).

4. The seed selection device for wheat breeding according to claim 3, characterized in that: The vertical block (28) is connected to the first round shaft (33) by bearings. The first round shaft (33) passes through the ring (29). The first round shaft (33) is fixedly connected to the fourth bevel gear (40) and the second bevel gear (32). The second bevel gear (32) meshes with the first bevel gear (31). The two ends of the first round shaft (33) are fixedly connected to the connecting rod (34). The connecting rod (34) is fixedly connected to the suction cup (36). The suction cup (36) is fixedly connected to the material tube (35). The ring (29) is connected to the second round shaft (38) by bearings. The second round shaft (38) is fixedly connected to the third bevel gear (39). The third bevel gear (39) meshes with the fourth bevel gear (40). The second round shaft (38) is fixedly connected to the stirring plate (37).

5. The seed selection device for wheat breeding according to claim 3, characterized in that: The second motor (30) is a geared motor.

6. The seed selection device for wheat breeding according to claim 1, characterized in that: The processing box (2) is made of lightweight plastic.

7. The seed selection device for wheat breeding according to claim 1, characterized in that: The narrow groove (3) is smaller than the size of a wheat grain, and the wide groove (4) is larger than the size of a wheat grain.

8. The seed selection method for the wheat breeding seed selection device according to claim 4, characterized in that, Includes the following steps: Step 1: Pour an appropriate amount of wheat seeds into the processing box (2); Step 2: Pour an appropriate amount of water into the box (1); Step 3: Connect the feed pipe (27) and the feed pipe (35) using a flexible hose; Step 4: Turn on the first motor (5), the second motor (30), and the seed selection box (9); Step 5: When the first motor (5) is turned on, the processing box (2) swings back and forth under the drive of the relevant components, causing the wheat seeds to move back and forth. With the assistance of the spring (21), the L plate (23) swings down to squeeze the air bag (12). The air in the air bag (12) is discharged through the exhaust pipe (13). The air bubbles are discharged from the water surface through the narrow groove (3), causing the water surface to change drastically, which drives the seeds to move and discharge them from the wide groove (4). The stirring rod (15) moves back and forth, pushing the seeds to the stirring plate (37). When the second motor (30) is turned on, the stirring plate (37) swings back and forth, rotating and pushing the seeds gathered at the stirring plate (37) to the suction cup (36). The suction cup (36) swings back and forth to contact the seeds. The seed selection box (9) works, causing the suction cup (36) to pick up the seeds, thus realizing the seed selection box (9) collecting the seeds.

9. The seed selection method according to claim 8, characterized in that: When the motor one (5) is turned on, the motor one (5) drives the circular plate two (26) to rotate, the circular plate two (26) drives the circular rod two (25) to swing back and forth in the straight groove (24), the circular rod two (25) drives the circular plate one (17) to rotate, the circular rod two (25) drives the cross rod (16) to swing back and forth, the cross rod (16) drives the L plate (23) to swing back and forth, and the L plate (23) drives the connecting rod one (19) and the connecting rod two (20) to swing back and forth. When the L-plate (23) moves, the mounting plate (22) moves back and forth, the mounting plate (22) moves the processing box (2) back and forth, the cross rod (16) moves the stirring rod (15) back and forth, the L-plate (23) moves back and forth to squeeze the spring (21), the spring (21) squeezes the airbag (12), the air in the airbag (12) is discharged through the exhaust pipe (13), and when the spring (21) returns to its original position, the air enters the airbag (12) through the air inlet pipe (14).

10. The seed selection method according to claim 8, characterized in that: When the second motor (30) is turned on, the second motor (30) rotates back and forth, and the second motor (30) drives the first bevel gear (31) to rotate. The first bevel gear (31) drives the second bevel gear (32), the first round shaft (33) and the fourth bevel gear (40) to rotate back and forth. The first round shaft (33) drives the connecting rod (34), the suction cup (36) and the material tube (35) to swing back and forth. The fourth bevel gear (40) drives the second round shaft (38) and the stirring plate (37) to rotate back and forth.