CN115004911B - Precise seed metering device of corn district seeder - Google Patents
Precise seed metering device of corn district seeder Download PDFInfo
- Publication number
- CN115004911B CN115004911B CN202210857082.6A CN202210857082A CN115004911B CN 115004911 B CN115004911 B CN 115004911B CN 202210857082 A CN202210857082 A CN 202210857082A CN 115004911 B CN115004911 B CN 115004911B
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- seed metering
- wheel
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- 240000008042 Zea mays Species 0.000 title claims abstract description 53
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 53
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 51
- 235000005822 corn Nutrition 0.000 title claims abstract description 51
- 238000007664 blowing Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000011081 inoculation Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 13
- 238000007605 air drying Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 7
- 238000011049 filling Methods 0.000 abstract description 7
- 238000009331 sowing Methods 0.000 description 12
- 238000010899 nucleation Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 235000009973 maize Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/18—Machines for depositing quantities of seed at intervals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a precise seed metering device of a corn district seeder, which comprises a main shell, a seed metering shaft, a seed guiding wheel, a partition plate, a bucket wheel disc and an auxiliary shell cover, wherein the outer side of the main shell is fixedly communicated with a seed dropping pipe, the outer side of the auxiliary shell cover is fixedly communicated with a seed inlet pipe, the outer part of the seed guiding wheel is annularly provided with an inoculation groove and a communication port, the inner part of the main shell is provided with an air suction mechanism, the air suction mechanism comprises an annular air suction chamber, and the outer part of the main shell is provided with an air blowing mechanism. In the invention, the following components are added: the suction fan is started to generate negative pressure suction in the annular suction chamber, and corn seeds on the bucket wheel disc seed metering spoon can be transferred to the inside of the seed guiding wheel inoculation groove when the suction hole is aligned with the communication port, so that the phenomenon that the corn seeds with viscosity are stuck to the bucket wheel disc seed metering spoon to cause cavitation is prevented; and simultaneously a plurality of air blowing pipes can repeatedly blow and dry the seed metering spoon with the spoon wheel disk, so that the phenomenon that the single seed filling of corn seeds is influenced due to the fact that the wet coating agent is adhered to the seed metering spoon with the spoon wheel disk is prevented.
Description
Technical Field
The invention relates to the technical field of corn seed metering, in particular to a precise seed metering device of a corn district seeder.
Background
The cultivation history of corn in China has about 470 years, and the corn has high yield, good quality, strong adaptability and quick cultivation area development. When the cultivation and screening work of high-quality corn varieties is carried out, a seeder is often used for carrying out corn test planting in a small area, the seed metering device is an important core component on the seeder, and the performance quality of the seed metering device plays a significant role in improving the working quality and efficiency of the seeder.
Through retrieving, chinese patent No. CN 215957111U's practical patent discloses "a corn drill seed metering auxiliary device", including seed sowing case, seed metering machine and servo all-in-one, seed metering machine fixed mounting is on the seed sowing case, servo all-in-one fixed mounting is on seed metering machine, and the upside of seed sowing case is provided with the case lid, and fixed mounting has the division board on the inside wall of seed sowing case, and fixed mounting has transfer line on the left side lateral wall of division board, and fixed mounting has the separation baffle on the left side lateral wall of division board in the seed sowing case, rotates on the lateral wall of separation baffle and installs first pivot. The utility model has the advantages that the utility model with the Chinese patent number of CN215957111U can enable corn seeds which are not soaked to absorb water and then to be sowed, the germination rate of the corn seeds can be increased in soil which is easy to dry, the corn seeds can be directly soaked in the sowing box, the procedure of transferring during seed soaking is reduced, and thus the work efficiency of seed sowing is improved.
Although the utility patent with the Chinese patent number of CN215957111U can directly soak corn seeds in the seeding box, the procedure of transferring during seed soaking is reduced, and the work efficiency of seed metering is improved, but the seed metering machine is in the actual seed metering process, the corn seeds which are soaked have certain viscosity due to the coating agent on the surface, and the corn seeds with viscosity are easy to be adhered to a seed metering spoon, so that the corn seeds are transferred to a seed guiding wheel seeding groove from the seed metering spoon only by virtue of self gravity and cavitation is easy to occur, and therefore, the precise seed metering device of the corn district seeder is required.
Disclosure of Invention
The invention aims to solve the defects that the soaked corn seeds have certain viscosity due to the coating agent on the surface in the prior art, and the corn seeds with viscosity are easy to be stuck on a seed metering spoon, so that the corn seeds are transferred from the seed metering spoon to the seed guiding wheel seed sowing pit by only relying on self gravity and cavitation is easy to occur.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a accurate seed metering device of maize district seeder, includes main casing, seed metering axle, leads kind of wheel, baffle, bucket wheel dish and sub-shell lid, the outside of main casing is fixed to be linked together and is had the seed pipe that falls, the outside of sub-shell lid is fixed to be linked together and is had into kind of pipe, the outside annular of leading kind of wheel has seted up inoculation groove and intercommunication mouth, inoculation groove with the intercommunication mouth is linked together, the inside of main casing is provided with the suction mechanism that is used for assisting maize seed to shift;
The suction mechanism comprises an annular suction chamber fixedly connected inside the main shell, the annular suction chamber is positioned at the outer side of the seed guide wheel, suction holes for assisting corn seed transfer are formed in the outer part of the annular suction chamber, an air tap is fixedly communicated with the outer part of the annular suction chamber, and the air tap extends to the outer part of the main shell;
And a blowing mechanism for accelerating air drying of the bucket wheel disc is arranged outside the main shell.
By starting the suction fan, the inside of the annular suction chamber generates negative pressure suction, so that corn seeds on the seed metering spoon of the bucket wheel disk are transferred into the seed guiding wheel inoculation groove, and the phenomenon that the corn seeds with viscosity are stuck to the seed metering spoon of the bucket wheel disk to cause cavitation can be prevented; and simultaneously, the seed metering shaft drives the gear to rotate, so that a plurality of air blowing pipes can repeatedly blow and dry the seed metering spoon with the spoon wheel disk, and the phenomenon that the seed metering spoon with the spoon wheel disk is adhered with wet coating agent so as to influence single seed filling of corn seeds is prevented.
The technical scheme further comprises the following steps:
The seed metering axle rotates to be connected the inside of main casing, lead kind wheel with bucket wheel dish fixed connection is in the outside of seed metering axle, the baffle sets up lead kind wheel with between the bucket wheel dish, annular suction chamber is located lead kind wheel and keep away from one side of baffle, vice cap detachable connection is in the outside of main casing, and main casing and vice cap all can be made by transparent plastics material.
The suction mechanism is characterized in that the suction mechanism further comprises a suction fan arranged on the outer side of the main shell, an air inlet of the suction fan is fixedly communicated with a connecting pipe A, one end of the connecting pipe A, which is far away from the air inlet of the suction fan, is fixedly communicated with the air tap, negative pressure suction is generated in the annular suction chamber when the suction fan is started, and corn seeds on the bucket wheel seed sowing spoon can be transferred to the inside of the seed guide wheel inoculation groove when the suction hole is aligned with the communication port.
The air outlet of the suction fan is fixedly communicated with a connecting pipe B, and the connecting pipe B is communicated with the elastic air bag to assist resetting of the elastic air bag.
The blowing mechanism comprises an elastic air bag fixedly connected to the outer side of the main shell, the connecting pipe B is fixedly communicated with the outer side of the elastic air bag, a plurality of air blowing pipes are fixedly communicated with the outer side of the elastic air bag, the plurality of air blowing pipes all extend to the inner side of the main shell, the elastic air bag has a strong self-recovery function, the plurality of air blowing pipes can blow and dry a bucket wheel tray seed sowing spoon, and the bucket wheel tray seed sowing spoon is prevented from being adhered with a wet coating agent to affect single corn seed filling.
The air blowing mechanism further comprises two fixing rods fixedly connected to the outer side of the main shell, the outer parts of the two fixing rods are connected with arc-shaped extrusion plates used for extruding the elastic air bags in a sliding mode, one side, away from the elastic air bags, of each arc-shaped extrusion plate is fixedly connected with a connecting toothed bar, and a driving assembly used for driving the connecting toothed bars is arranged on the outer side of the main shell.
One end of the seed shaft extends to the outside of the main shell, and the driving assembly comprises a gear fixedly connected to the outside of the seed shaft.
The driving assembly further comprises a fixing plate fixedly connected to the outer side of the main shell, a rotating shaft is rotatably connected to the outer side of the fixing plate, and a sector gear is fixedly connected to the outer portion of the rotating shaft.
The sector gear is meshed with the gear and the connecting toothed bar, and when the seed shaft drives the gear to rotate, the sector gear meshed with the gear drives the connecting toothed bar to move, so that the connecting toothed bar drives the arc-shaped extrusion plate to extrude the elastic air bag.
The invention has the following beneficial effects:
1. According to the invention, the suction fan is started to enable the interior of the annular suction chamber to generate negative pressure suction, the seed guide wheel and the spoon wheel disc are driven to rotate along with the seed metering shaft, corn seeds on the seed metering spoon of the spoon wheel disc can be transferred into the seed guide wheel inoculation groove when the suction hole is aligned with the communication port, and then the corn seeds entering the seed guide wheel inoculation groove rotate along with the seed guide wheel and are discharged through the seed dropping pipe, so that the phenomenon that the corn seeds with viscosity are stuck on the seed metering spoon of the spoon wheel disc and have holes can be prevented.
2. According to the invention, the suction fan is started and simultaneously fills sucked air into the elastic air bag, and the seed metering shaft drives the gear to rotate, so that the sector gear can drive the connecting toothed bar to repeatedly squeeze the elastic air bag, and the repeatedly squeezed elastic air bag can repeatedly blow-dry the spoon wheel disc seed metering spoon through a plurality of air blowing pipes, so that the influence of the adhesion of a wet coating agent on the spoon wheel disc seed metering spoon on single seed filling of corn seeds is prevented.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a precision seed metering device of a corn district seeder;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 4 is a schematic diagram of an exploded structure of a precision seed metering device of a corn district seeder according to the present invention;
FIG. 5 is a schematic view of the main housing of the present invention;
fig. 6 is an enlarged schematic view of the structure at C in fig. 5.
In the figure: 1. a main housing; 2. a seed shaft; 3. a seed guiding wheel; 31. an inoculation tank; 32. a communication port; 4. a partition plate; 5. a spoon wheel disc; 6. an auxiliary shell cover; 7. a seed dropping tube; 8. a seed inlet pipe; 9. an air suction mechanism; 91. an annular suction chamber; 92. an air suction hole; 93. an air tap; 94. a suction fan; 95. a connecting pipe A; 96. a connecting pipe B; 10. an air blowing mechanism; 101. an elastic air bag; 102. an air blowing pipe; 103. a fixed rod; 104. an arc extrusion plate; 105. connecting a toothed bar; 106. a drive assembly; 1061. a gear; 1062. a fixing plate; 1063. a rotating shaft; 1064. sector gears.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1-6, the precise seeding device of the corn district seeder provided by the invention comprises a main shell 1, a seeding shaft 2, a seed guiding wheel 3, a partition board 4, a spoon wheel disc 5 and an auxiliary shell cover 6, wherein the main shell 1 and the auxiliary shell cover 6 can be made of transparent plastic materials so as to observe the internal conditions of the main shell 1 and the auxiliary shell cover 6, the seeding shaft 2 is rotationally connected inside the main shell 1, the seed guiding wheel 3 and the spoon wheel disc 5 are fixedly connected outside the seeding shaft 2, the partition board 4 is arranged between the seed guiding wheel 3 and the spoon wheel disc 5, an annular suction chamber 91 is positioned at one side of the seed guiding wheel 3 far away from the partition board 4, the auxiliary shell cover 6 is detachably connected outside the main shell 1, a seed dropping pipe 7 is fixedly communicated outside the main shell 1, an auxiliary shell cover 6 is fixedly communicated with a seed inlet pipe 8, an inoculating groove 31 and a communicating port 32 are annularly arranged outside the seed guiding wheel 3, the inoculating groove 31 is communicated with the communicating port 32, and a suction mechanism 9 for assisting corn seed transfer is arranged inside the main shell 1;
the air suction mechanism 9 comprises an annular air suction chamber 91 fixedly connected inside the main shell 1, the annular air suction chamber 91 is positioned at the outer side of the seed guiding wheel 3, an air suction hole 92 for assisting corn seed transfer is formed in the outer part of the annular air suction chamber 91, an air nozzle 93 is fixedly communicated with the outer part of the annular air suction chamber 91, and the air nozzle 93 extends to the outer part of the main shell 1;
The air suction mechanism 9 further comprises an air suction fan 94 arranged on the outer side of the main shell 1, a connecting pipe A95 is fixedly communicated with an air inlet of the air suction fan 94, one end, far away from the air inlet of the air suction fan 94, of the connecting pipe A95 is fixedly communicated with an air nozzle 93, and a connecting pipe B96 is fixedly communicated with an air outlet of the air suction fan 94;
When the suction fan 94 is started, negative pressure suction force is generated in the annular suction chamber 91, and when the suction hole 92 is aligned with the communication port 32, corn seeds on the seed metering spoon of the bucket wheel disk 5 can be transferred into the seed guiding wheel 3 inoculation groove 31.
The outside of the main housing 1 is provided with an air blowing mechanism 10 for accelerating the air drying of the scoop wheel disc 5.
In the embodiment, after corn seeds are added through the seed inlet pipe 8, the seed metering shaft 2 drives the spoon wheel disc 5 and the seed guide wheel 3 to synchronously rotate, each seed metering spoon on the spoon wheel disc 5 can perform single seed filling on the corn seeds in the device, and meanwhile, the suction fan 94 is started to enable negative pressure suction to be generated in the annular suction chamber 91, and a stronger suction force is generated at the suction hole 92;
Along with the rotation of the seed guiding wheel 3 and the bucket wheel disk 5 driven by the seed metering shaft 2, when the air suction hole 92 on the annular air suction chamber 91 is aligned with the communication port 32 on the seed guiding wheel 3, the partition board 4 does not block corn seeds on the seed metering spoon of the bucket wheel disk 5 any more, the corn seeds on the seed metering spoon of the bucket wheel disk 5 can be transferred to the inside of the seed guiding wheel 3 inoculation groove 31 by the suction force at the air suction hole 92, and then the corn seeds entering the inside of the seed guiding wheel 3 inoculation groove 31 can rotate along with the seed guiding wheel 3 and are discharged through the seed dropping pipe 7;
The seed metering shaft 2, the seed guiding wheel 3, the bucket wheel disk 5 and the suction fan 94 work continuously in this way, so that the phenomenon that the corn seeds with viscosity are stuck to the seed metering spoon of the bucket wheel disk 5 to cause cavitation can be prevented.
Examples
As shown in fig. 1-6, based on the first embodiment, the air blowing mechanism 10 includes an elastic air bag 101 fixedly connected to the outer side of the main casing 1, a connection pipe B96 is fixedly connected to the outer side of the elastic air bag 101, the connection pipe B96 is communicated with the elastic air bag 101 to assist in resetting the elastic air bag 101, a plurality of air blowing pipes 102 are fixedly connected to the outer side of the elastic air bag 101, and the plurality of air blowing pipes 102 extend into the main casing 1;
The blowing mechanism 10 further comprises two fixing rods 103 fixedly connected to the outer side of the main shell 1, an arc-shaped extrusion plate 104 for extruding the elastic air bag 101 is connected to the outer parts of the two fixing rods 103 in a sliding mode, a connecting toothed bar 105 is fixedly connected to one side, away from the elastic air bag 101, of the arc-shaped extrusion plate 104, and a driving assembly 106 for driving the connecting toothed bar 105 is arranged on the outer side of the main shell 1;
One end of the seed shaft 2 extends to the outside of the main shell 1, the driving assembly 106 comprises a gear 1061 fixedly connected to the outside of the seed shaft 2, the seed shaft 2 is used as a driving shaft of the gear 1061, and the gear 1061 can rotate along with the seed guiding wheel 3 and the spoon wheel disc 5 when the seed shaft 2 drives the seed guiding wheel 3 to rotate;
The driving assembly 106 further comprises a fixing plate 1062 fixedly connected to the outer side of the main casing 1, a rotating shaft 1063 is rotatably connected to the outer side of the fixing plate 1062, a sector gear 1064 is fixedly connected to the outer side of the rotating shaft 1063, the sector gear 1064 is meshed with the gear 1061 and the connecting toothed bar 105, and when the seed shaft 2 drives the gear 1061 to rotate, the sector gear 1064 meshed with the gear 1061 drives the connecting toothed bar 105 to move, so that the connecting toothed bar 105 drives the arc-shaped extrusion plate 104 to extrude the elastic air bag 101.
In this embodiment, the suction fan 94 is started and simultaneously fills the sucked air into the elastic air bag 101, meanwhile, the seed shaft 2 drives the gear 1061 to rotate, the sector gear 1064 meshed with the gear 1061 rotates, the rotating sector gear 1064 drives the connecting rack 105 to move, the connecting rack 105 drives the arc extrusion plate 104 to extrude the elastic air bag 101, and the extruded elastic air bag 101 can blow-dry the seed spoon of the bucket wheel disc 5 through the plurality of air blowing pipes 102;
When the sector gear 1064 rotates to be no longer meshed with the gear 1061, the elastic air bag 101 is reset by filling air through the connecting pipe B96, the reset elastic air bag 101 can enable the arc-shaped extrusion plate 104, the connecting toothed bar 105 and the sector gear 1064 to restore to an initial state, the sector gear 1064 is enabled to be in inner core with the gear 1061 again, the sector gear 1064 drives the arc-shaped extrusion plate 104 to extrude the elastic air bag 101 through the connecting toothed bar 105 again with the gear 1061 again, and a plurality of air blowing pipes 102 are enabled to blow-dry the seed sowing spoon of the bucket wheel disc 5;
along with the continuous work of the suction fan 94 and the seed metering shaft 2, the plurality of air blowing pipes 102 can repeatedly blow and dry the seed metering spoon of the bucket wheel disk 5 so as to prevent the seed metering spoon of the bucket wheel disk 5 from being stuck with a wet coating agent to affect the single seed filling of corn seeds.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a precision seed metering device of corn district seeder, includes main casing (1), seed metering axle (2), leads kind of wheel (3), baffle (4), bucket wheel dish (5) and sub-shell lid (6), the outside fixed intercommunication of main casing (1) has seed pipe (7) that falls, the outside fixed intercommunication of sub-shell lid (6) has into kind of pipe (8), characterized in that, inoculation groove (31) and intercommunication mouth (32) have been seted up to the outside annular of leading kind of wheel (3), inoculation groove (31) with intercommunication mouth (32) are linked together, the inside of main casing (1) is provided with air suction mechanism (9) that are used for assisting corn seed to shift, air suction mechanism (9) are including fixed connection in the inside annular air suction chamber (91) of main casing (1), annular air suction chamber (91) are located the outside of leading kind of wheel (3), the outside of annular air suction chamber (91) has been seted up and is used for assisting the air cock (92) that corn seed shifted, the outside of annular air suction chamber (91) is still fixed to be connected with air cock (93) and is in main casing (1) are in outside (93), the air inlet of the suction fan (94) is fixedly communicated with a connecting pipe A (95), the air outlet of the suction fan (94) is fixedly communicated with a connecting pipe B (96), and one end, away from the air inlet of the suction fan (94), of the connecting pipe A (95) is fixedly communicated with the air tap (93);
the outside of main casing (1) is provided with and is used for accelerating air-drying of bucket wheel dish (5) blowing mechanism (10), blowing mechanism (10) are in including fixed connection in elastic air bag (101) in main casing (1) outside, connecting pipe B (96) with the outside fixed intercommunication of elastic air bag (101), the outside fixed intercommunication of elastic air bag (101) has a plurality of gas-blowing pipe (102), a plurality of gas-blowing pipe (102) all extends to the inside of main casing (1), blowing mechanism (10) still include fixed connection in two dead levers (103) in main casing (1) outside, two the outside common sliding connection of dead lever (103) have arc extrusion board (104) that are used for the extrusion elastic air bag (101), one side that arc extrusion board (104) kept away from elastic air bag (101) is fixedly connected with connection rack bar (105), the outside of main casing (1) is provided with and is used for driving coupling rack bar (105);
One end of the seed shaft (2) extends to the outside of the main shell (1), the driving assembly (106) comprises a gear (1061) fixedly connected to the outside of the seed shaft (2), the driving assembly (106) further comprises a fixing plate (1062) fixedly connected to the outer side of the main shell (1), a rotating shaft (1063) is rotatably connected to the outer side of the fixing plate (1062), a sector gear (1064) is fixedly connected to the outer side of the rotating shaft (1063), and the sector gear (1064) is meshed with the gear (1061) and the connecting toothed bar (105).
2. The precise seed metering device of the corn district seeder according to claim 1, wherein the seed metering shaft (2) is rotationally connected inside the main housing (1), the seed guiding wheel (3) and the bucket wheel disc (5) are fixedly connected outside the seed metering shaft (2), the partition plate (4) is arranged between the seed guiding wheel (3) and the bucket wheel disc (5), the annular suction chamber (91) is positioned on one side, far away from the partition plate (4), of the seed guiding wheel (3), and the auxiliary housing cover (6) is detachably connected on the outer side of the main housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210857082.6A CN115004911B (en) | 2022-07-20 | 2022-07-20 | Precise seed metering device of corn district seeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210857082.6A CN115004911B (en) | 2022-07-20 | 2022-07-20 | Precise seed metering device of corn district seeder |
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| Publication Number | Publication Date |
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| CN115004911A CN115004911A (en) | 2022-09-06 |
| CN115004911B true CN115004911B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210857082.6A Active CN115004911B (en) | 2022-07-20 | 2022-07-20 | Precise seed metering device of corn district seeder |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116784058B (en) * | 2023-07-18 | 2024-01-09 | 合肥丰乐种业股份有限公司 | Wheat seed drill for wheat planting and sowing method thereof |
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| US4356934A (en) * | 1977-11-18 | 1982-11-02 | Chevron Research Company | Apparatus for spray-treating seeds during planting |
| CN113317007A (en) * | 2021-06-18 | 2021-08-31 | 洛阳智能农业装备研究院有限公司 | Novel corn seed sowing device |
| CN216139712U (en) * | 2021-08-25 | 2022-03-29 | 安徽兰飞药业有限公司 | A beat ink recorder that is used for paste to beat sign indicating number and uses |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101491177A (en) * | 2008-12-16 | 2009-07-29 | 华中农业大学 | Positive and negative air-pressure combined seed-sowing mechanism air-chamber |
| WO2010141627A2 (en) * | 2009-06-02 | 2010-12-09 | Great Plains Manufacturing, Inc. | Seed metering device for agricultural seeder |
| CN109328552A (en) * | 2018-10-16 | 2019-02-15 | 兰溪市奥而特农业科技有限公司 | The accurate uniform paddy seeder of sowing |
| CN110235554A (en) * | 2019-06-21 | 2019-09-17 | 潜山县下河有机茶厂 | Implanted device and its seed immersion process in a kind of organic tea planting process |
| CN112020954A (en) * | 2020-09-23 | 2020-12-04 | 扬州大学 | Air suction spoon clamp type double-disc seed metering device |
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2022
- 2022-07-20 CN CN202210857082.6A patent/CN115004911B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4356934A (en) * | 1977-11-18 | 1982-11-02 | Chevron Research Company | Apparatus for spray-treating seeds during planting |
| CN113317007A (en) * | 2021-06-18 | 2021-08-31 | 洛阳智能农业装备研究院有限公司 | Novel corn seed sowing device |
| CN216139712U (en) * | 2021-08-25 | 2022-03-29 | 安徽兰飞药业有限公司 | A beat ink recorder that is used for paste to beat sign indicating number and uses |
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|---|---|
| CN115004911A (en) | 2022-09-06 |
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