CN115999911A - Double-pipe type multistage winnowing instrument - Google Patents

Double-pipe type multistage winnowing instrument Download PDF

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Publication number
CN115999911A
CN115999911A CN202211108284.7A CN202211108284A CN115999911A CN 115999911 A CN115999911 A CN 115999911A CN 202211108284 A CN202211108284 A CN 202211108284A CN 115999911 A CN115999911 A CN 115999911A
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China
Prior art keywords
seed
pipe
vertical air
seeds
outlet
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Pending
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CN202211108284.7A
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Chinese (zh)
Inventor
吴双龙
陈伟邦
齐龙
陈豪
梁乐彬
钟宇浩
谭建伟
缪金鹏
梁天明
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Guangdong Provincial Laboratory Of Lingnan Modern Agricultural Science And Technology
South China Agricultural University
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Guangdong Provincial Laboratory Of Lingnan Modern Agricultural Science And Technology
South China Agricultural University
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Application filed by Guangdong Provincial Laboratory Of Lingnan Modern Agricultural Science And Technology, South China Agricultural University filed Critical Guangdong Provincial Laboratory Of Lingnan Modern Agricultural Science And Technology
Priority to CN202211108284.7A priority Critical patent/CN115999911A/en
Publication of CN115999911A publication Critical patent/CN115999911A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a double-pipe type multistage winnowing machine, which comprises an automatic feeding device, a sorting device, a conveying device and a collecting device; the automatic feeding device comprises a rack, a seed box and a seed metering device for driving seeds in the seed box to be quantitatively discharged; the sorting device comprises a blower, a horizontal air pipe and a vertical air pipe; the plurality of groups of vertical air pipes are arranged in parallel and are communicated with each other; the collecting devices are respectively arranged at the bottom of each group of vertical air pipes; the outlet of the blower is provided with a diverter, and a plurality of outlets of the diverter are communicated with the lower ends of a plurality of groups of vertical air pipes through a plurality of groups of horizontal air pipes respectively; the outlet of the diverter is communicated with the vertical air pipe at the head side through a seed guide pipe; the outlet of the seed metering device is communicated with the inner cavity of the seed guide tube. The double-pipe type multistage winnowing machine can realize automatic quantitative seed feeding and multistage sorting of seeds; and has the advantages of simple structure and small occupied space.

Description

Double-pipe type multistage winnowing instrument
Technical Field
The invention relates to a seed winnowing device, in particular to a double-pipe type multistage winnowing machine.
Background
The main working principle of winnowing breeding is to utilize the significant difference of seeds with different saturation (weight) in aerodynamic characteristics to achieve the purpose of screening seeds with different saturation levels.
With the rapid development of agricultural science, especially crop breeding, the requirements on the precision of the material characteristics of seeds are higher and higher, and the requirements on the seeds are also higher and higher. Conventional manual seed selection can not meet the production research requirements far, and seeds of different grades are screened out through a high-precision high-automation-degree air classifier to meet the different production research requirements.
The existing air separator has the following defects:
1. the seed inlet can not realize automatic quantitative seed feeding into the air pipe, so that seed materials are easily accumulated in the screening pipe, and the working efficiency and grading quality of the winnowing machine are affected;
2. seeds in the entering winnowing pipe cannot be subjected to multi-stage sorting, so that sorting precision is low;
3. the existing air classifier has complex structure and large occupied space.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-pipe type multistage winnowing machine, which can realize automatic quantitative seed feeding and multistage sorting of seeds; in addition, the double-pipe type multistage winnowing machine has the advantages of simple and compact structure and small occupied space.
The technical scheme for solving the technical problems is as follows:
the double-pipe multistage winnowing machine comprises an automatic feeding device for feeding seeds, a sorting device for sorting the seeds in multiple stages, a conveying device for conveying the seeds fed by the automatic feeding device into the sorting device, and a collecting device for separately collecting the seeds of different types sorted by the sorting device,
the automatic feeding device comprises a frame, a seed box arranged on the frame and a seed metering device for driving seeds in the seed box to be quantitatively discharged;
the sorting device comprises a blower, a horizontal air pipe and vertical air pipes, wherein the vertical air pipes are multiple groups, and the multiple groups of vertical air pipes are arranged in parallel and are communicated with each other; the collecting devices are respectively arranged at the bottom of each group of vertical air pipes; the air blower is characterized in that a diverter is arranged at the outlet of the air blower, a plurality of outlets of the diverter are communicated with the lower ends of a plurality of groups of vertical air pipes through a plurality of groups of horizontal air pipes respectively, and an adjusting component for controlling the wind power in the horizontal air pipes is arranged on each group of horizontal air pipes; a seed guide pipe is connected between the outlet of the flow divider and the vertical air pipe at the head side, wherein one end of the seed guide pipe is communicated with the air outlet of the flow divider, and the other end of the seed guide pipe is communicated with the vertical air pipe at the head side; the outlet of the seed sowing device is communicated with the seed guide pipe; the blower and the seed guide tube also form the conveying device.
Preferably, the adjusting component is a solenoid valve.
Preferably, the number of the vertical air pipes is two, and the number of the horizontal air pipes is two correspondingly.
Preferably, the diameter of the seed guide pipe is smaller than the diameters of the horizontal air pipe and the vertical air pipe.
Preferably, the air inlet of the vertical air pipe is arranged at the left lower side of the vertical air pipe; the seed outlet of the seed guide pipe is arranged at the left lower side of the vertical air pipe at the head side and above the air inlet of the vertical air pipe; the right upper corner of the vertical air pipe is provided with a first seed outlet which is communicated with the adjacent vertical air pipe; the bottom of this vertical tuber pipe is provided with the second and goes out kind mouth, collection device sets up second goes out kind mouth department.
Preferably, the second seed outlet is funnel-shaped, a plurality of groups of vent holes which are circumferentially arranged are arranged at the outer side of the second seed outlet at the bottom of the vertical air pipe, and the vent holes are communicated with the air outlet of the horizontal air pipe.
Preferably, the seed box is of an inclined bin body structure with a large upper part and a small lower part.
Preferably, the first outlet of the vertical air pipe is communicated with the seed inlet of the other group of vertical air pipes through a drainage component.
Preferably, a weighing sensor is arranged at the bottom of the seed box, data of the weighing sensor are collected in real time by adopting an embedded controller, the quality of seeds of the current seed box is obtained, and the seeds are displayed on a user interaction interface in real time.
Preferably, the embedded controller controls the feeding amount automatically and quantitatively fed into the sorting device according to the quality of the current seeds; when the embedded controller detects that seeds still exist in the seed box, the seed sowing device is controlled to work so as to continuously feed the seeds, and meanwhile, the air blower is started; when the embedded controller detects that seeds in the seed box are emptied, the seed metering device and the blower are automatically turned off, so that the seed metering device and the blower enter a standby mode, and a prompt tone is sent out to remind a user of completing seed sorting treatment.
Compared with the prior art, the invention has the following beneficial effects:
1. the automatic feeding device in the double-pipe type multistage winnowing machine can automatically realize quantitative feeding of seeds.
2. The winnowing device in the double-pipe type multistage winnowing machine comprises a plurality of groups of vertical air pipes, screening gas is fed into the vertical air pipes through a blower, and seeds in the vertical air pipes can be screened; because the collecting device is arranged at the bottom of the vertical air pipe, seeds with larger mass can fall into the collecting device downwards; the seeds with smaller mass enter the next group of vertical air pipes and are subjected to air separation again; by the mode, the seeds can be subjected to multistage sorting.
3. According to the double-pipe type multistage winnowing machine, the adjusting component is arranged on the horizontal air pipe and used for controlling the wind power in the horizontal air pipe, so that the wind pressure of screening air flow in each group of vertical air pipes is different, and seeds with different qualities are sorted.
4. The double-pipe type multistage winnowing machine has the advantages of simple and compact structure, small occupied area, low manufacturing cost and convenience in popularization and use.
Drawings
Fig. 1 is a schematic perspective view of a double-pipe type multistage winnowing machine according to the present invention.
Fig. 2 is a schematic diagram of the structure of the second seed outlet at the bottom of the vertical air duct.
Fig. 3 is a working principle diagram of a second seed outlet at the bottom of the vertical air pipe.
Fig. 4 is a schematic perspective view of an automatic feeding apparatus.
Fig. 5 is a schematic view of the drainage assembly in the sorting apparatus.
Wherein: 1-blower, 2-seed guide pipe, 3-automatic feeding device, 4-first vertical air pipe, 5-second vertical air pipe, 6-fixed table, 7-shunt, 8-horizontal air pipe, 9-solenoid valve, 10-collecting bottle, 11-sorting device, 12-second seed outlet, 13-seed box, 14-stepper motor, 15-seed metering device, 16-seed outlet pipe, 17-drainage assembly.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
Referring to fig. 1 to 5, the twin-tube type multi-stage wind separator of the present invention includes an automatic feeding device 3 for feeding seeds, a sorting device 11 for sorting the seeds in multiple stages, a conveying device for conveying the seeds fed from the automatic feeding device 3 into the sorting device 11, and a collecting device (i.e., a collecting bottle 10) for separately collecting the different types of seeds sorted by the sorting device 11.
Referring to fig. 1-5, the automatic feeding device 3 is composed of a seed metering device 15, a seed box 13, a stepping motor 14, a weighing sensor and an embedded controller, wherein the seed box 13 is of an inclined bin structure, and the stepping motor 14 controls the rotation speed of a rotor of the seed metering device 15 to realize quantitative feeding of the automatic feeding device 3; and acquiring weighing sensor data installed at the bottom of the seed box 13 by the embedded controller to acquire the quality of the input seeds. When it is detected that seed material is still present in the seed box 13, the embedded controller will control the stepper motor 14 to rotate to continue feeding in seeds while turning on the sorting air duct fan (i.e. the blower 1). When the seeds in the seed box 13 are detected to be emptied, the stepping motor 14 is automatically turned off, the sorting air pipe fan (namely the blower 1) is turned off, and the standby mode is entered, so that unmanned intelligent operation with high automation degree is realized.
Referring to fig. 1 to 5, the sorting device 11 includes a blower 1, a horizontal duct 8, and a vertical duct, wherein the blower 1 is disposed on a fixed table 6; the vertical air pipes are in multiple groups, and the multiple groups of vertical air pipes are arranged in parallel and communicated with each other; the collecting devices (such as collecting bottles 10) are respectively arranged at the bottom of each group of vertical air pipes; the outlet of the blower 1 is provided with a flow divider 7, a plurality of outlets of the flow divider 7 are respectively communicated with the lower ends of a plurality of groups of vertical air pipes through a plurality of groups of horizontal air pipes 8, each group of horizontal air pipes 8 is provided with an adjusting component for controlling the wind power in the horizontal air pipes 8, the adjusting component is an electromagnetic valve 9, and the flow rates of screening air flows entering the sorting device 11 are controlled to be different by controlling the opening of the electromagnetic valve 9; the air blower 1 generates primary screening air flow and secondary screening air flow through the control of the flow divider 7 and the electromagnetic valve 9, seeds move upwards along the vertical air pipe under the action of the screening air flow in the vertical air pipe, and are trapped in the collecting devices at the bottoms of the different classified vertical air pipes due to different aerodynamic characteristics in the moving process, so that classification work is completed.
Referring to fig. 1-5, a seed guiding pipe 2 is connected between the outlet of the splitter 7 and the vertical air pipe (i.e. the first vertical air pipe 4) located at the head side, wherein one end of the seed guiding pipe 2 is communicated with the air outlet of the splitter 7, and the other end is communicated with the vertical air pipe (i.e. the first vertical air pipe 4) located at the head side; the outlet of the seed sowing device 15 is communicated with the seed guide pipe 2; the blower 1 and the seed guide tube 2 also form the conveying device.
In this embodiment, the two vertical air pipes are respectively a first vertical air pipe 4 and a second vertical air pipe 5, and the two horizontal air pipes 8 are respectively two corresponding.
Referring to fig. 1-5, the diameter of the seed guide pipe 2 is smaller than the diameters of the horizontal air pipe 8 and the vertical air pipe, so that the gas pressure in the seed guide pipe 2 is larger than the gas pressure of the horizontal air pipe 8.
Referring to fig. 1-5, the air inlet of the vertical air pipe is arranged at the left lower side of the vertical air pipe; the seed outlet of the seed guide pipe 2 is arranged at the left lower side of the vertical air pipe positioned at the head side and above the air inlet of the vertical air pipe; the right upper corner of the vertical air pipe is provided with a first seed outlet which is communicated with the adjacent vertical air pipe; the bottom of the vertical air pipe is provided with a second seed outlet 12, the collecting device is arranged at the second seed outlet 12, the second seed outlet 12 is funnel-shaped, the bottom of the vertical air pipe is provided with a plurality of groups of vent holes which are circumferentially arranged at the outer side of the second seed outlet 12, and the vent holes are communicated with the air outlet of the horizontal air pipe 8; through the setting, the great seed of quality falls to second seed outlet 12 departments after the screening, and the screening air current continues upward air supply through ventilation hole all around, and the seed falls into in the collecting bottle 10 through the hollow inclined plane structure in the second seed outlet 12 of funnel type to can avoid the seed to take place to pile up in vertical tuber pipe bottom when falling, and then influence the selection by winnowing precision.
Referring to fig. 1-5, the first outlet of the first vertical air pipe 4 is communicated with the seed inlet of the second vertical air pipe 5 through a drainage component 17; after the seeds are screened and classified once in the first vertical air pipe 4, the seeds with heavier mass fall down into the corresponding collecting bottles 10 along the first vertical air pipe 4, the seeds with moderate residual mass and lighter mass continue to move upwards along with the screening air flow to be contacted with the top, and then sink to enter the second vertical air pipe 5 through the drainage component 17 for secondary screening and classification, so that the classification precision is improved.
Referring to fig. 1 to 5, the working principle of the double-pipe type multistage winnowing machine of the invention is as follows:
the seed mixture to be screened and graded is stored in the seed box 13, the seed can be automatically and quantitatively fed into the first vertical air pipe 4 through the seed metering device 15, the opening of the electromagnetic valve 9 can be adjusted to control the flow rate of screening air flow entering the first vertical air pipe 4 and the second vertical air pipe 5, after the first screening and grading is completed in the first vertical air pipe 4, the seeds with heavier mass drop down into the corresponding collecting bottle 10 along the first vertical air pipe 4, the rest seeds with moderate mass and the seed materials with lighter mass continue to move up along with the screening air flow to be contacted with the top of the first vertical air pipe 4, and then enter the second vertical air pipe 5 through the drainage component 17 to carry out the second screening and grading, due to the difference of aerodynamic characteristics of the seeds with different weights, the seeds with moderate mass drop down into the corresponding collecting bottle 10 along the second vertical air pipe 5, and the objects with lighter mass move up along with the screening air flow to be contacted with the top of the second vertical air pipe 5 and then are discharged from the first outlet on the right side through the drainage component 17, so that the seed sorting work is completed.
In the process, a weighing sensor is arranged at the bottom of the seed box 13, the data of the weighing sensor is acquired in real time by adopting an embedded controller, the current seed quality of the seed box 13 is acquired, and the seed quality is displayed on a user interaction interface in real time; the embedded controller controls the feeding quantity of the automatic quantitative feeding and sorting device 11 according to the quality of the current seeds; when the embedded controller detects that the seed box 13 still has seeds, the seed sowing device 15 is controlled to continuously work so as to continuously feed the seeds, and meanwhile, the air blower 1 is started; when the embedded controller detects that seeds in the seed box 13 are emptied, the seed metering device 15 and the blower 1 are automatically turned off, so that the seed metering device enters a standby mode, and a prompt tone is sent to remind a user that the seed sorting treatment is completed.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made therein without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The double-pipe type multistage winnowing machine is characterized by comprising an automatic feeding device for feeding seeds, a sorting device for sorting the seeds in multiple stages, a conveying device for conveying the seeds fed by the automatic feeding device into the sorting device and a collecting device for separately collecting the different types of seeds sorted by the sorting device,
the automatic feeding device comprises a frame, a seed box arranged on the frame and a seed metering device for driving seeds in the seed box to be quantitatively discharged;
the sorting device comprises a blower, a horizontal air pipe and vertical air pipes, wherein the vertical air pipes are multiple groups, and the multiple groups of vertical air pipes are arranged in parallel and are communicated with each other; the collecting devices are respectively arranged at the bottom of each group of vertical air pipes; the air blower is characterized in that a diverter is arranged at the outlet of the air blower, a plurality of outlets of the diverter are communicated with the lower ends of a plurality of groups of vertical air pipes through a plurality of groups of horizontal air pipes respectively, and an adjusting component for controlling the wind power in the horizontal air pipes is arranged on each group of horizontal air pipes; a seed guide pipe is connected between the outlet of the flow divider and the vertical air pipe at the head side, wherein one end of the seed guide pipe is communicated with the air outlet of the flow divider, and the other end of the seed guide pipe is communicated with the vertical air pipe at the head side; the outlet of the seed sowing device is communicated with the seed guide pipe; the blower and the seed guide tube also form the conveying device.
2. The twin tube multistage winnowing machine of claim 1, wherein the regulating assembly is a solenoid valve.
3. The twin-tube multistage air separator according to claim 1, wherein the vertical air ducts are two groups, and the horizontal air ducts are two groups correspondingly.
4. The twin-tube multistage winnowing machine of claim 1, wherein the diameter of the seed guide tube is smaller than the diameters of the horizontal and vertical air tubes.
5. The double-pipe type multistage winnowing machine according to claim 1, wherein the air inlet of the vertical air pipe is arranged at the left lower side of the vertical air pipe; the seed outlet of the seed guide pipe is arranged at the left lower side of the vertical air pipe at the head side and above the air inlet of the vertical air pipe; the right upper corner of the vertical air pipe is provided with a first seed outlet which is communicated with the adjacent vertical air pipe; the bottom of this vertical tuber pipe is provided with the second and goes out kind mouth, collection device sets up second goes out kind mouth department.
6. The double-pipe multistage winnowing machine according to claim 5, wherein the second seed outlet is funnel-shaped, a plurality of groups of vent holes which are circumferentially arranged are arranged at the outer side of the second seed outlet at the bottom of the vertical air pipe, and the vent holes are communicated with the air outlet of the horizontal air pipe.
7. The double-pipe multistage winnowing machine according to claim 1, wherein the seed box is of an inclined bin structure with a large upper part and a small lower part.
8. The twin-tube multistage winnowing machine of claim 1, wherein the first outlet of the vertical air duct is in communication with the inlet of the other group of vertical air ducts via a drainage assembly.
9. The double-pipe type multistage winnowing machine according to claim 1, wherein a weighing sensor is arranged at the bottom of the seed box, data of the weighing sensor are collected in real time by adopting an embedded controller, the quality of seeds of the current seed box is obtained, and the quality is displayed on a user interaction interface in real time.
10. The double-pipe type multistage winnowing machine according to claim 9, wherein the embedded controller controls the feeding quantity of the automatic quantitative feeding sorting device according to the quality of the current seeds; when the embedded controller detects that seeds still exist in the seed box, the seed sowing device is controlled to work so as to continuously feed the seeds, and meanwhile, the air blower is started; when the embedded controller detects that seeds in the seed box are emptied, the seed metering device and the blower are automatically turned off, so that the seed metering device and the blower enter a standby mode, and a prompt tone is sent out to remind a user of completing seed sorting treatment.
CN202211108284.7A 2022-09-13 2022-09-13 Double-pipe type multistage winnowing instrument Pending CN115999911A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211108284.7A CN115999911A (en) 2022-09-13 2022-09-13 Double-pipe type multistage winnowing instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211108284.7A CN115999911A (en) 2022-09-13 2022-09-13 Double-pipe type multistage winnowing instrument

Publications (1)

Publication Number Publication Date
CN115999911A true CN115999911A (en) 2023-04-25

Family

ID=86030486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211108284.7A Pending CN115999911A (en) 2022-09-13 2022-09-13 Double-pipe type multistage winnowing instrument

Country Status (1)

Country Link
CN (1) CN115999911A (en)

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