Seed selection device and method for wheat breeding

Abstract

The invention provides a seed selection device and method for wheat breeding, and relates to the field of breeding equipment.The seed selection device comprises a rack, and an inclined guide rail is installed in the middle of the rack; the storage box is fixedly mounted at the top of the rack, a discharge port is formed in the bottom of the storage box, and the side wall smoothly transits towards the center of the discharge port; the uniform discharging part is arranged at the position, close to the discharging opening, of the storage box and used for continuously discharging the wheat seeds in the storage box; the double-layer screening frame is slidably mounted above the inclined guide rail through pulleys and can slide in the length direction of the inclined guide rail; the screening swing component is arranged at the bottom of the rack and used for driving the double-layer screening frame to move relative to the rack. A second driving motor drives a third belt wheel to drive a fourth belt wheel through a second transmission belt, the fourth belt wheel drives a transmission shaft to drive a rotary disc and an adjusting assembly to drive a double-layer screening frame to swing and screen, and therefore the purpose of automatic screening is achieved, and a double-thread lead screw can be rotated to adjust the distance between two threaded sleeves to change the swing range.

Description

Technical Field

[0001] The present invention relates to the field of breeding equipment, and in particular to a seed selection device and method for wheat breeding. Background Art

[0002] Wheat breeding refers to the process of people using genetic recombination (through gene separation, free combination or linkage exchange to separate excellent traits or bring various excellent traits together) according to their own wishes to obtain new wheat varieties that people need in a purposeful and planned manner.

[0003] Wheat seed selection is an important part of wheat breeding. It is necessary to screen out well-developed wheat seeds, that is, to remove wheat that does not meet the volume standards. Screening equipment is needed for screening. The commonly used screening equipment can only screen out smaller ones first, and then replace the equipment to screen out larger ones. This leads to reduced screening efficiency. Therefore, we have made improvements to this and proposed a seed selection device and method for wheat breeding. Summary of the invention

[0004] The object of the present invention is to provide a seed selection device and method for wheat breeding, which can simultaneously screen out small and large wheat seeds and impurities.

[0005] In order to achieve the above-mentioned object of the invention, the present invention provides a seed selection device for wheat breeding, comprising:

[0006] A rack, wherein an inclined guide rail is installed in the middle of the rack;

[0007] The material storage box is fixedly mounted on the top of the frame, has a discharge port at the bottom, and has a side wall that smoothly transitions toward the center of the discharge port;

[0008] The uniform feeding component is arranged near the discharge port of the storage box and is used for uninterrupted discharge of wheat seeds in the storage box;

[0009] The double-layer screening frame is installed on the upper side of the inclined guide rail through a pulley and can slide along the length direction of the inclined guide rail;

[0010] The screening swing component is arranged at the bottom of the frame and is used to drive the double-layer screening frame to move relative to the frame.

[0011] As a preferred technical solution of the present invention, the angle between the inclined guide rail and the horizontal plane of the frame is degrees, a U-shaped limiting groove is provided on the hub of the pulley, and the pulley is overlapped on the inclined guide rail through the U-shaped limiting groove.

[0012] As a preferred technical solution of the present invention, the uniform unloading component includes a support shaft, the outer wall of the support shaft is fixedly connected to a unloading roller, the outer wall of the unloading roller is provided with a unloading trough, and the support shaft is rotatably connected to the side wall of the storage box through a bearing.

[0013] As a preferred technical solution of the present invention, the uniform unloading component also includes a driving motor 1, the output end of the driving motor 1 is fixedly connected to a first pulley, the outer wall of the first pulley is equipped with a first transmission belt, the first pulley is connected to a second pulley through the first transmission belt, and the second pulley is fixedly connected to one end of the support shaft passing through the storage box.

[0014] As a preferred technical solution of the present invention, the double-layer screening frame includes a first screening frame and a second screening frame, the first screening frame and the second screening frame are fixedly connected by a support so that a gap is formed between the first screening frame and the second screening frame, and screening net frames are respectively inserted at the bottom of the first screening frame and the second screening frame, and the screening net frames are respectively fixed to the first screening frame and the second screening frame through a snap assembly.

[0015] As a preferred technical solution of the present invention, the buckle assembly includes a buckle frame fixedly connected to the side walls of the first screening frame and the second screening frame, the inner side wall of the buckle frame is rotatably connected with a lock core, a torsion spring is arranged between the lock core and the buckle frame, a limiting groove is opened in the middle of the lock core, and a clamping rod is fixedly connected to the middle of the screening frame, and when the clamping rod is clamped in the limiting groove, it limits the sliding of the screening frame.

[0016] As a preferred technical solution of the present invention, the screening swing component includes a second driving motor fixedly connected to the bottom of the frame, the output end of the second driving motor is fixedly connected to the third pulley, the outer wall of the third pulley is equipped with a second transmission belt, one end of the second transmission belt is transmission-connected to the fourth pulley, the middle of the fourth pulley is fixedly connected to a transmission shaft, one end of the transmission shaft is fixedly connected to a turntable, the edge of the turntable is rotatably connected to an adjustment component via a pin shaft, one end of the adjustment component is rotatably connected to a positioning frame via a pin shaft, and the positioning frame is fixedly connected to the double-layer screening frame.

[0017] As a preferred technical solution of the present invention, the adjustment assembly includes a double-threaded screw, the outer wall of which is engaged with a threaded sleeve, one end of which is mounted on a pin through a bearing and can rotate relative to the pin, and the threads on both sides of the outer wall of the double-threaded screw are opposite.

[0018] A seed selection method for wheat breeding, using a seed selection device for wheat breeding, comprises the following operating steps:

[0019] S, feeding, putting the wheat seeds to be screened into the storage box;

[0020] S. Unloading, start the driving motor 1, the driving motor 1 drives the first pulley to rotate, the first pulley drives the second pulley to rotate through the first transmission belt, the second pulley drives the support shaft to rotate, thereby driving the unloading drum to rotate, the wheat seeds fall into the unloading trough and are automatically unloaded as the unloading drum rotates;

[0021] S. Screening, start the second drive motor, the second drive motor drives the third pulley to rotate, the third pulley drives the fourth pulley through the second drive belt, the fourth pulley drives the transmission shaft to rotate, the transmission shaft drives the turntable and the adjustment component to drive the double-layer screening frame to swing and screen;

[0022] S. Swing amplitude adjustment: rotating the double-threaded screw can synchronously adjust the distance between the two threaded sleeves so that the swing range of the double-layer screening frame can be changed;

[0023] S. Replace the screening frame, press the lock core to compress the torsion spring, pull out the screening frame and replace it, then insert a new screening frame of a different model into the first screening frame and the second screening frame, and fix the screening frame when the card rod is inserted into the limiting groove inside the lock core.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] In the scheme of the present invention:

[0026] By setting the storage box, the uniform unloading component, the double-layer screening frame and the screening swing component, a large amount of wheat seeds can be put into the storage box at one time. When unloading, the driving motor 1 is started to drive the first pulley to rotate, and the first pulley drives the second pulley to rotate through the first transmission belt to drive the support shaft to rotate. At this time, the unloading drum rotates, and the wheat seeds fall into the unloading trough and are automatically unloaded with the rotation of the unloading drum. When screening is required, the driving motor 2 is started, and the driving motor 2 drives the third pulley to drive the fourth pulley through the transmission belt 2. The fourth pulley drives the transmission shaft to drive the turntable and the adjustment component to drive the double-layer screening frame to swing and screen, thereby achieving the purpose of automatic screening. According to the use requirements, the double-threaded screw rod can be rotated to synchronously adjust the distance between the two threaded sleeves so that the swing range of the double-layer screening frame is changed. When different wheat seeds need to be screened, the lock core is pressed to compress the torsion spring, the screening frame is pulled out and replaced, and then new screening frames of different models are inserted into the first screening frame and the second screening frame. When the card rod is inserted into the limit groove inside the lock core, the screening frame is fixed, which is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of the three-dimensional structure of a seed selection device and method for wheat breeding provided by the present invention;

[0028] Figure 2A schematic diagram of the structure of a seed selection device and method for wheat breeding provided by the present invention when viewed from above;

[0029] Figure 3 A schematic cross-sectional structure diagram of a seed selection device and method for wheat breeding provided by the present invention;

[0030] Figure 4 A schematic diagram of the main structure of a seed selection device and method for wheat breeding provided by the present invention;

[0031] Figure 5 A schematic diagram of the structure of a screening frame and a screening net frame of a seed selection device and method for wheat breeding provided by the present invention;

[0032] Figure 6 A seed selection device and method for wheat breeding provided by the present invention Figure 1 Schematic diagram of the enlarged structure at A.

[0033] Indicated in the figure:

[0034] 1. Frame; 11. Inclined guide rail;

[0035] 2. Storage box; 21. Discharge port;

[0036] 3. Uniform material unloading component; 31. Support shaft; 32. Unloading roller; 33. Unloading trough; 34. Driving motor 1; 35. First pulley; 36. First transmission belt; 37. Second pulley;

[0037] 4. Double-layer screening frame; 41. Pulley; 42. First screening frame; 43. Second screening frame; 44. Pillar; 45. Screening net frame; 46. Buckle frame; 47. Lock core; 48. Clamping rod;

[0038] 5. Screening swing parts; 51. Driving motor 2; 52. Third pulley; 53. Transmission belt 2; 54. Fourth pulley; 55. Transmission shaft; 56. Turntable; 57. Adjustment assembly; 571. Double-threaded screw rod; 572. Threaded sleeve; 58. Positioning frame. DETAILED DESCRIPTION

[0039] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0040] See also Figures 1 to 6 The present invention provides a technical solution: a seed selection device for wheat breeding, comprising:

[0041] The frame 1 is formed by welding a plurality of steel pipes, and an inclined guide rail 11 is installed in the middle of the frame 1;

[0042] The storage box 2 is fixedly mounted on the top of the frame 1, and has a discharge port 21 at its bottom, and the side wall is smoothly transitioned toward the center of the discharge port 21, and the smooth transition is adopted to facilitate the wheat seeds to slide into the discharge port 21;

[0043] The uniform feeding component 3 is arranged near the discharge port 21 of the storage box 2 and is used for uninterrupted discharge of the wheat seeds in the storage box 2, so as to facilitate the uniform outflow of the wheat seeds, thus avoiding blockage and improving the screening quality;

[0044] The double-layer screening frame 4 is slidably mounted on the upper side of the inclined guide rail 11 through a pulley 41 and can slide along the length direction of the inclined guide rail 11, thereby facilitating the movement of the double-layer screening frame 4 along a predetermined track;

[0045] The screening swing component 5 is arranged at the bottom of the frame 1 and is used to drive the double-layer screening frame 4 to move relative to the frame 1, thereby facilitating the driving of the double-layer screening frame 4 to swing and screen.

[0046] As a preferred embodiment, on the basis of the above method, further, the angle between the inclined guide rail 11 and the horizontal plane of the frame 1 is 20 degrees, a U-shaped limiting groove is provided on the hub of the pulley 41, and the pulley 41 is overlapped on the inclined guide rail 11 through the U-shaped limiting groove. The inclined guide rail 11 is set on the frame 1 at an angle of 20 degrees, which can facilitate the rolling of wheat seeds.

[0047] The uniform feeding component 3 includes a supporting shaft 31, the outer wall of which is fixedly connected to a feeding roller 32, the outer wall of which is provided with a feeding groove 33, the supporting shaft 31 is rotatably connected to the side wall of the storage box 2 through a bearing, the inner wall of the storage box 2 is provided with a movable groove adapted to the feeding roller 32, in order to prevent the wheat seeds from slipping, the smaller the gap, the better, and a brush may be arranged at the gap to prevent the wheat seeds from falling along the gap.

[0048] The uniform unloading component 3 also includes a driving motor 34, the output end of the driving motor 34 is fixedly connected to a first pulley 35, the outer wall of the first pulley 35 is equipped with a first transmission belt 36, the first pulley 35 is connected to a second pulley 37 through the first transmission belt 36, and the second pulley 37 is fixedly connected to one end of the support shaft 31 that passes through the storage box 2. Specifically, the driving motor 34 is fixedly installed on the frame 1.

[0049] As a preferred embodiment, on the basis of the above method, further, the double-layer screening frame 4 includes a first screening frame 42 and a second screening frame 43, and the first screening frame 42 and the second screening frame 43 are fixedly connected by a support 44 so that a gap is formed between the first screening frame 42 and the second screening frame 43, and screening mesh frames 45 are respectively inserted at the bottom of the first screening frame 42 and the second screening frame 43, and the screening mesh frames 45 are respectively fixed to the first screening frame 42 and the second screening frame 43 by snap-fit ​​components, and the screening mesh frames 45 are fixed to the screening frames by snap-fitting, so that the screening mesh frames 45 can be easily disassembled.

[0050] The snap assembly includes a snap frame 46 fixedly connected to the side walls of the first screening frame 42 and the second screening frame 43. The inner side wall of the snap frame 46 is rotatably connected with a lock core 47. A torsion spring is arranged between the lock core 47 and the snap frame 46. A limiting groove is provided in the middle of the lock core 47. A clamping rod 48 is fixedly connected to the middle of the screening frame 45. When the clamping rod 48 is clamped in the limiting groove, it limits the sliding of the screening frame 45. Specifically, the lock core 47 is connected to the snap frame 46 through a vertical rotating shaft. The torsion spring is mounted on the vertical rotating shaft and its two ends are respectively connected and fixed to the snap frame 46 and the vertical rotating shaft.

[0051] As a preferred embodiment, on the basis of the above-mentioned method, further, the screening swing component 5 includes a driving motor 2 51 fixedly connected to the bottom of the frame 1, the output end of the driving motor 2 51 is fixedly connected to the third pulley 52, the outer wall of the third pulley 52 is equipped with a transmission belt 2 53, one end of the transmission belt 2 53 is transmission-connected to the fourth pulley 54, the middle part of the fourth pulley 54 is fixedly connected to a transmission shaft 55, one end of the transmission shaft 55 is fixedly connected to a turntable 56, the edge of the turntable 56 is rotatably connected to an adjusting component 57 through a pin shaft, one end of the adjusting component 57 is rotatably connected to a positioning frame 58 through a pin shaft, the positioning frame 58 is fixedly connected to the double-layer screening frame 4, and the adjusting component 57 is arranged at the edge of the turntable 56, which can form an eccentric effect, so that the rotating driving state is inconsistent.

[0052] The adjustment assembly 57 includes a double-threaded screw 571, the outer wall of which is meshed with a threaded sleeve 572. One end of the threaded sleeve 572 is respectively mounted on the pin through a bearing and can rotate relative to the pin. The threads on both sides of the outer wall of the double-threaded screw 571 are opposite. The double-threaded screw 571 rotates, thereby driving the two threaded sleeves 571 to move closer to or away from each other.

[0053] A seed selection method for wheat breeding, using a seed selection device for wheat breeding, comprises the following operating steps:

[0054] S1, feeding, putting the wheat seeds to be screened into the storage box 2;

[0055] S2, unloading, start the driving motor 34, the driving motor 34 drives the first pulley 35 to rotate, the first pulley 35 drives the second pulley 37 to rotate through the first transmission belt 36, the second pulley 37 rotates to drive the support shaft 31 to rotate, thereby driving the unloading drum 32 to rotate, and the wheat seeds fall into the unloading trough 33 and are automatically unloaded as the unloading drum 32 rotates;

[0056] S3, screening, start the second drive motor 51, the second drive motor 51 drives the third pulley 52 to rotate, the third pulley 52 drives the fourth pulley 54 through the second transmission belt 53, the fourth pulley 54 drives the transmission shaft 55 to rotate, the transmission shaft 55 drives the rotating disk 56 and the adjusting component 57 to drive the double-layer screening frame 4 to swing and screen;

[0057] S4, swing amplitude adjustment, rotating the double-threaded screw 571 can synchronously adjust the distance between the two threaded sleeves 572 so that the swing range of the double-layer screening frame 4 is changed;

[0058] S5, replace the screening frame, press the lock core 47 to compress the torsion spring, pull out the screening frame 45 and replace it, then insert the new screening frame 45 of different models into the first screening frame 42 and the second screening frame 43, and fix the screening frame 45 when the clamping rod 48 is inserted into the limiting groove inside the lock core 47.

[0059] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A seed selection device for wheat breeding, characterized in that: include: A frame (1), wherein an inclined guide rail (11) is installed in the middle of the frame (1); A material storage box (2) is fixedly mounted on the top of the frame (1), and has a discharge port (21) at its bottom, and a side wall smoothly transitions toward the center of the discharge port (21); A uniform feeding component (3) is arranged on the storage box (2) near the discharge port (21) and is used for continuously discharging the wheat seeds in the storage box (2); A double-layer screening frame (4) is slidably mounted on the upper side of the inclined guide rail (11) via a pulley (41) and can slide along the length direction of the inclined guide rail (11); A screening swing component (5) is arranged at the bottom of the frame (1) and is used to drive the double-layer screening frame (4) to move relative to the frame (1).

2. A seed selection device for wheat breeding according to claim 1, characterized in that: The angle between the inclined guide rail (11) and the horizontal plane of the frame (1) is 20 degrees, a U-shaped limiting groove is provided on the hub of the pulley (41), and the pulley (41) is overlapped on the inclined guide rail (11) through the U-shaped limiting groove.

3. A seed selection device for wheat breeding according to claim 1, characterized in that: The uniform material discharge component (3) comprises a support shaft (31), the outer wall of the support shaft (31) is fixedly connected to a material discharge roller (32), the outer wall of the material discharge roller (32) is provided with a material discharge trough (33), and the support shaft (31) is rotatably connected to the side wall of the material storage box (2) via a bearing.

4. A wheat breeding seed selection device according to claim 3, characterized in that: The uniform material discharge component (3) also includes a driving motor (34), the output end of the driving motor (34) is fixedly connected to a first pulley (35), the outer wall of the first pulley (35) is equipped with a first transmission belt (36), the first pulley (35) is connected to a second pulley (37) through the first transmission belt (36), and the second pulley (37) is fixedly connected to one end of the support shaft (31) passing through the storage box (2).

5. A seed selection device for wheat breeding according to claim 1, characterized in that: The double-layer screening frame (4) comprises a first screening frame (42) and a second screening frame (43); the first screening frame (42) and the second screening frame (43) are fixedly connected via a support (44) so ​​that a gap is formed between the first screening frame (42) and the second screening frame (43); screening net frames (45) are respectively inserted at the bottom of the first screening frame (42) and the bottom of the second screening frame (43); the screening net frames (45) are respectively fixedly connected to the first screening frame (42) and the second screening frame (43) via a snap assembly.

6. A wheat breeding seed selection device according to claim 5, characterized in that: The buckle assembly comprises a buckle frame (46) fixedly connected to the side walls of the first screening frame (42) and the second screening frame (43); the inner side wall of the buckle frame (46) is rotatably connected to a lock core (47); a torsion spring is arranged between the lock core (47) and the buckle frame (46); a limiting groove is arranged in the middle of the lock core (47); a clamping rod (48) is fixedly connected to the middle of the screening frame (45); when the clamping rod (48) is clamped in the limiting groove, it limits the sliding of the screening frame (45).

7. A seed selection device for wheat breeding according to claim 1, characterized in that: The screening swing component (5) comprises a second driving motor (51) fixedly connected to the bottom of the frame (1); the output end of the second driving motor (51) is fixedly connected to a third pulley (52); the outer wall of the third pulley (52) is equipped with a second transmission belt (53); one end of the second transmission belt (53) is transmission-connected to a fourth pulley (54); the middle of the fourth pulley (54) is fixedly connected to a transmission shaft (55); one end of the transmission shaft (55) is fixedly connected to a rotating disk (56); an adjusting component (57) is rotationally connected to the edge of the rotating disk (56) via a pin shaft; one end of the adjusting component (57) is rotationally connected to a positioning frame (58) via a pin shaft; the positioning frame (58) is fixedly connected to the double-layer screening frame (4).

8. A seed selection device for wheat breeding according to claim 7, characterized in that: The adjustment assembly (57) comprises a double-threaded screw (571), the outer wall of the double-threaded screw (571) is meshed with a threaded sleeve (572), one end of the threaded sleeve (572) is respectively sleeved on the pin shaft through a bearing and can rotate relative to the pin shaft, and the threads on both sides of the outer wall of the double-threaded screw (571) are opposite.

9. A seed selection method for wheat breeding, using a seed selection device for wheat breeding according to any one of claims 1 to 8, characterized in that: The steps are as follows: S1, feeding, putting the wheat seeds to be screened into the storage box (2); S2, unloading, starting the driving motor 1 (34), the driving motor 1 (34) drives the first pulley (35) to rotate, the first pulley (35) drives the second pulley (37) to rotate through the first transmission belt (36), the second pulley (37) rotates to drive the support shaft (31) to rotate, thereby driving the unloading roller (32) to rotate, the wheat seeds fall into the unloading trough (33) and are automatically unloaded as the unloading roller (32) rotates; S3, screening, starting the second drive motor (51), the second drive motor (51) drives the third pulley (52) to rotate, the third pulley (52) drives the fourth pulley (54) through the second drive belt (53), the fourth pulley (54) drives the transmission shaft (55) to rotate, the transmission shaft (55) drives the rotating disk (56) and the adjusting component (57) to drive the double-layer screening frame (4) to swing and screen; S4, adjusting the swing amplitude, rotating the double-threaded screw (571) to synchronously adjust the distance between the two threaded sleeves (572) so that the swing range of the double-layer screening frame (4) is changed; S5, replace the screening frame, press the lock core (47) to compress the torsion spring, pull out the screening frame (45) and replace it, then insert a new screening frame (45) of a different model into the first screening frame (42) and the second screening frame (43), and fix the screening frame (45) when the clamping rod (48) is inserted into the limiting groove inside the lock core (47).

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