Seed selection device

Abstract

The utility model discloses a seed selecting device, and relates to the technical field of rapeseed screening. The device structurally comprises a specific gravity screen, an inclined hanging plate conveyor, a cyclone dust collector and a screening granary, the output end of the specific gravity sieve is continuously provided with a fine selection seed funnel, a reselection seed funnel and a waste seed funnel; the screening granary comprises a fine separation leakage granary, a multi-stage filter and a vibrator device, wherein the multi-stage filter and the vibrator device are installed on the fine separation leakage granary. And the output end of the reselection seed funnel conveys to a material leakage groove at the lower end part of the inclined hanging plate conveyor. Rapeseeds to be processed are conveyed into the fine sorting leakage bin through the inclined hanging plate conveyor to be stored, the rapeseed feeding efficiency is improved, and the whole seed screening device is allowed to run without input for a long time; the multi-stage filter is arranged, so that the rapeseeds can be effectively classified and screened in the fine separation leakage bin, large platycodon grandiflorum, rapeseed shells and impurities exceeding the normal rapeseed particle size are removed, and the purity and quality of a final product are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rapeseed screening, in particular to a seed selection device. Background Art

[0002] During the rapeseed cultivation and processing process, seed selection is a crucial step. Selected seeds can improve the germination rate, growth rate and yield of crops, while also helping to reduce the occurrence of pests and diseases, ensuring the healthy growth of crops.

[0003] The traditional method of selecting rapeseed mainly relies on manual screening, which is labor-intensive, inefficient, and costly, and it is difficult to ensure the accuracy and consistency of screening. With the development of science and technology, specific gravity screens have gradually been introduced into agricultural production. Although these devices have improved the screening efficiency to a certain extent, some problems still exist. For example, simply using specific gravity screens for screening operations will result in low screening efficiency for high-quality seeds due to a variety of impurities. There will also be a lot of dust during the screening process due to the large number of impurities. The specific gravity of repeated screening is high, and it is necessary to continuously and continuously release rapeseed in small batches. The workload is large, and the overall screening efficiency is low. In order to solve the above problems, the utility model provides a rapeseed selection device. Utility Model Content

[0004] The purpose of the utility model is to provide a seed selection device, which can store a large amount of rapeseed by setting a fine selection bin. The multi-stage filter, the fine selection bin, the cyclone dust collector and the vibrator device are combined to achieve impurity and dust removal before screening with a specific gravity screen, thereby improving the overall screening efficiency and accuracy.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a seed selection device, comprising a specific gravity screen, an inclined hanging plate conveyor, a cyclone dust collector and a screening silo; the output end of the specific gravity screen is continuously provided with a selected seed funnel, a re-selection seed funnel and a discarded seed funnel; the screening silo comprises a fine selection silo and a multi-stage filter and a vibrator device installed on the fine selection silo; the output end of the re-selection seed funnel is transported to a material trough at the lower end of the inclined hanging plate conveyor; the upper output end of the inclined hanging plate conveyor is transported to the fine selection silo through a guide trough; the lower end of the fine selection silo is provided with an output pipe obliquely downward; a coaxially arranged air guide outer cover is fixed to the outer wall of the output pipe; an exhaust joint is fixedly connected to the air guide outer cover; a plurality of filter holes are provided in the lower half of the output pipe inside the air guide outer cover; the exhaust joint is connected to the cyclone dust collector through a ventilation duct.

[0007] As an optimal technical solution of the present invention, the fine selection bin also includes a circular material bin; a plurality of fixed support legs are fixed to the outer wall of the circular material bin; a feed circular bin is fixed to the lower end of the circular material bin; and the output pipe is fixedly connected to the outer wall of the lower end of the feed circular bin.

[0008] As an optimal technical solution of the present invention, the multi-stage filter includes three annular cylinders arranged vertically and coaxially; the outer wall of the annular cylinder is slidably matched with the inner wall of the circular silo, and the three adjacent annular cylinders are connected as a whole by four first connecting strips; the inside of the three annular cylinders are fixed with a first sieve plate, a second sieve plate, and a third sieve plate in sequence from top to bottom; the upper end of the upper annular cylinder is fixed with four L-shaped plates hanging on the upper end of the circular silo; the lower end surface of the lower annular cylinder is fixed with four arc plates; the four arc plates are respectively fixed with an oblique support plate pointing obliquely downward to the center line of the annular cylinder; the free ends of the four oblique support plates are fixed on the cylindrical body with the lower opening that cooperates with the vibrator device.

[0009] As an optimal technical solution of the present utility model, the vibrator device includes a vibrating rod, a motor and an eccentric cam; the eccentric cam is installed on the output shaft of the motor; the vibrating rod includes a rectangular rod; the lower end of the rectangular rod is equipped with an impact plate that cooperates with the eccentric cam; the lower end of the feeding silo is penetrated by a guide sleeve that cooperates with the rectangular rod; and a motor mounting base for installing the motor is fixed on several of the fixed support legs.

[0010] As a preferred technical solution of the present invention, four stirring rods are fixed to the outer wall of the rectangular rod; and the cross section of the rectangular rod is diamond-shaped.

[0011] As a preferred technical solution of the present invention, the vibrator device further includes a spring; the spring is placed between the feeding silo and the impact plate.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model uses an inclined hanging plate conveyor to transport the rapeseed to be processed to the fine screening bin for storage, thereby improving the efficiency of rapeseed delivery. The design of the screening bin allows the entire seed screening device to operate for a long time without input.

[0014] 2. The utility model provides a multi-stage filter to effectively grade and screen rapeseed in the fine-screening bin, removing large platycodon, rapeseed shells, and impurities that exceed the normal rapeseed particle size. This fine screening process helps to improve the purity and quality of the final product.

[0015] 3. This utility model provides filter holes on the output pipe of the fine-selection bin and an external air guide cover connected to a cyclone dust collector. This design filters fine debris from the rapeseed under negative pressure and collects dust in the cyclone dust collector, significantly reducing dust overflow pollution during the seed screening process.

[0016] 4. The utility model's fine-selection bin and multi-stage filter cooperate with a vibrator device to intermittently vibrate the rapeseed in the feeding silo and the fine-selection bin, ensuring the stable falling output of the rapeseed and avoiding problems such as blockage and uneven flow.

[0017] 5. The overall design of this utility model takes into account ease of use and maintenance, allowing operators to easily perform daily maintenance and necessary adjustments.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 A schematic diagram of the structure of the utility model seed selection device;

[0021] Figure 2 This is a structural diagram of the screening barn;

[0022] Figure 3 The figure is a schematic diagram of the axial section of the screening barn;

[0023] Figure 4 A schematic diagram of the structure of a multi-stage filter;

[0024] Figure 5 Schematic diagram of the structure of the vibrator device.

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] 1-specific gravity screen, 2-inclined hanging plate conveyor, 3-cyclone dust collector, 4-screening silo, 5-fine selection silo, 6-multi-stage filter, 7-vibrator device, 8-diversion trough, 9-ventilation duct, 11-selected seed hopper, 12-gravity seed hopper, 13-waste seed hopper, 51-output pipe, 52-air guide cover, 53-exhaust joint, 54-filter hole, 55-round silo, 56-fixed support leg, 57-feeding silo, 58-guide sleeve, 59-motor mounting seat, 61-annular cylinder, 62-first connecting strip, 63-first sieve plate, 64-second sieve plate, 65-third sieve plate, 66-L-shaped plate, 67-arc plate, 68-bracing plate, 69-cylinder, 71-vibrating rod, 72-motor, 73-eccentric cam, 74-spring, 711-rectangular rod, 712-impact plate, 713-stirring rod. DETAILED DESCRIPTION

[0027] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Specific embodiment one:

[0029] See also Figure 1-5 As shown, the utility model is a seed selection device, comprising a specific gravity screen 1, an inclined hanging plate conveyor 2, a cyclone dust collector 3 and a screening silo 4. A selected seed hopper 11, a re-selected seed hopper 12 and a discarded seed hopper 13 are continuously provided at the output end of the specific gravity screen 1.

[0030] The screening silo 4 includes a fine screening bin 5 and a multi-stage filter 6 and a vibrator device 7 mounted on the fine screening bin 5. The output end of the re-seed hopper 12 is transported to the material chute 21 at the lower end of the inclined hanging plate conveyor 2. The output end of the inclined hanging plate conveyor 2 is transported to the fine screening bin 5 through the guide trough 8. Screening silo 4

[0031] The lower end of the fine-selection bin 5 is equipped with an output pipe 51, angled downward. A coaxially mounted air guide hood 52 is fixed to the outer wall of the output pipe 51. An air extraction connector 53 is fixedly connected to the air guide hood 52. Several filter holes 54 are formed in the lower half of the output pipe 51 within the air guide hood 52. The air extraction connector 53 is connected to the cyclone dust collector 3 via a ventilation duct 9. The fine-selection bin 5 also includes a circular silo 55. Several fixed support legs 56 are fixed to the outer wall of the circular silo 55. A feed silo 57 is fixed to the lower end of the circular silo 55. The output pipe 51 is fixedly connected to the outer wall of the lower end of the feed silo 57.

[0032] Among them, the multi-stage filter 6 includes three annular cylinders 61 arranged vertically and coaxially. The outer wall of the annular cylinder 61 is slidably matched with the inner wall of the circular silo 55, and the three adjacent annular cylinders 61 are connected as a whole by four first connecting strips 62. The inside of the three annular cylinders 61 is fixed with a first sieve plate 63, a second sieve plate 64, and a third sieve plate 65 from top to bottom. Four L-shaped plates 66 hanging on the upper end of the circular silo 55 are fixed to the upper end of the upper annular cylinder 61. Four arc plates 67 are fixed to the lower end surface of the lower annular cylinder 61. The four arc plates 67 are respectively fixed with a diagonal support plate 68 pointing obliquely downward to the center line of the annular cylinder 61. The free ends of the four diagonal support plates 68 are fixed to a cylindrical body 69 with a lower opening that cooperates with the vibrator device 7.

[0033] The screening silo 4 consists of a fine-screening bin 5, a multi-stage filter 6, and a vibrator device 7. The fine-screening bin 5 can store large quantities of rapeseed. The inclined plate conveyor 2 can quickly transport the unprocessed rapeseed to the fine-screening bin 5 for storage, allowing the entire seed screening device to operate for extended periods without input, thereby improving the efficiency of seed delivery. A multi-stage filter 6 is installed within the screening silo 4 to sequentially remove large radix scutellariae, rapeseed hulls, and impurities exceeding the normal rapeseed particle size. Filter holes 54 are provided on the output pipe 51 of the fine-screening bin 5, and an external air guide hood 52 is installed. This air guide hood 52 is connected to the cyclone dust collector 3 and, under negative pressure, filters fine impurities from the rapeseed. The cyclone dust collector 3 then collects dust, reducing dust spillage and contamination during the seed screening process. The vibrator device 7 also intermittently vibrates the rapeseed in the feed silo 57 and the fine-screening bin 5, ensuring a stable seed delivery.

[0034] The vibrator device 7 includes a vibrating rod 71, a motor 72, and an eccentric cam 73. The eccentric cam 73 is mounted on the output shaft of the motor 72. The vibrating rod 71 includes a rectangular rod 711. A strike plate 712 is mounted at the lower end of the rectangular rod 711, which cooperates with the eccentric cam 73. A guide sleeve 58, which cooperates with the rectangular rod 711, is fixed through the lower end of the feed silo 57. A motor mounting base 59 for mounting the motor 72 is fixed to a plurality of fixed support legs 56. When the rectangular rod 711 is pushed to its highest position by the eccentric cam 73, the rectangular rod 711 strikes the guide sleeve 58.

[0035] In order to improve the dredging effect of the rectangular rod 711 in the feeding silo 57, four stirring rods 713 are fixed to the outer wall of the rectangular rod 711. The cross section of the rectangular rod 711 is diamond-shaped.

[0036] To ensure that the vibrating rod 71 in the vibrator device 7 can be stably returned downward, the vibrator device 7 is also equipped with a spring 74. The spring 74 is positioned between the feed silo 57 and the impact plate 712. After the raised portion of the eccentric cam 73 is released from the impact plate 712, the spring 74 ensures that the vibrating rod 71 and the eccentric cam 73 remain in contact.

[0037] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0038] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A seed selection device, characterized in that: It comprises a specific gravity screen (1), an inclined hanging plate conveyor (2), a cyclone dust collector (3) and a screening silo (4); the output end of the specific gravity screen (1) is continuously provided with a selected seed funnel (11), a re-selected seed funnel (12) and a discarded seed funnel (13); The screening silo (4) comprises a fine screening silo (5) and a multi-stage filter (6) and a vibrator device (7) installed on the fine screening silo (5); The output end of the re-selection seed hopper (12) is transported to the material chute (21) at the lower end of the inclined hanging plate conveyor (2); the upper output end of the inclined hanging plate conveyor (2) is transported to the fine selection hopper (5) through the guide trough (8); The lower end of the fine selection bin (5) is provided with an output pipe (51) facing downward obliquely; a coaxially arranged air guide outer cover (52) is fixed to the outer wall of the output pipe (51); an air extraction joint (53) is fixedly connected to the air guide outer cover (52); a plurality of filter holes (54) are provided in the lower half of the output pipe (51) inside the air guide outer cover (52); the air extraction joint (53) is connected to the cyclone dust collector (3) through a ventilation duct (9).

2. The seed selection device according to claim 1, characterized in that: The fine selection bin (5) further comprises a circular bin (55); a plurality of fixed support legs (56) are fixed to the outer wall of the circular bin (55); a feeding circular bin (57) is fixed to the lower end of the circular bin (55); and the output pipe (51) is fixedly connected to the outer wall of the lower end of the feeding circular bin (57).

3. The seed selection device according to claim 2, characterized in that: The multi-stage filter (6) comprises three annular cylinders (61) arranged vertically and coaxially; the outer wall of the annular cylinder (61) is slidably engaged with the inner wall of the circular silo (55), and two adjacent annular cylinders (61) are connected as a whole by four first connecting strips (62); a first sieve plate (63), a second sieve plate (64), and a third sieve plate (65) are fixed in sequence from top to bottom inside the three annular cylinders (61); four L-shaped plates (66) hung on the upper end of the circular silo (55) are fixed to the upper end of the upper annular cylinder (61); four arc plates (67) are fixed to the lower end surface of the lower annular cylinder (61); the four arc plates (67) are respectively fixed with an inclined support plate (68) pointing obliquely downward toward the center line of the annular cylinder (61); the free ends of the four inclined support plates (68) are fixed to a cylindrical body (69) with a lower opening engaged with the vibrator device (7).

4. The seed selection device according to claim 2 or 3, characterized in that: The vibrator device (7) includes a vibrating rod (71), a motor (72) and an eccentric cam (73); the eccentric cam (73) is mounted on the output shaft of the motor (72); the vibrating rod (71) includes a rectangular rod (711); the lower end of the rectangular rod (711) is mounted with an impact plate (712) that cooperates with the eccentric cam (73); the lower end of the feeding silo (57) is fixed with a guide sleeve (58) that cooperates with the rectangular rod (711); and a motor mounting seat (59) for mounting the motor (72) is fixed on a plurality of the fixed support legs (56).

5. The seed selection device according to claim 4, characterized in that: Four stirring rods (713) are fixed to the outer wall of the rectangular rod (711); the cross section of the rectangular rod (711) is rhombus-shaped.

6. The seed selection device according to claim 4, characterized in that: The vibrator device (7) further comprises a spring (74); the spring (74) is placed between the feeding silo (57) and the impact plate (712).

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