CN212936659U - Seed guiding device of corn precision planter based on air flow auxiliary seed throwing - Google Patents
Seed guiding device of corn precision planter based on air flow auxiliary seed throwing Download PDFInfo
- Publication number
- CN212936659U CN212936659U CN202021098578.2U CN202021098578U CN212936659U CN 212936659 U CN212936659 U CN 212936659U CN 202021098578 U CN202021098578 U CN 202021098578U CN 212936659 U CN212936659 U CN 212936659U
- Authority
- CN
- China
- Prior art keywords
- seed
- positive pressure
- opening
- pressure channel
- main pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The patent provides a seed guiding device of a corn precision planter based on air flow auxiliary seed feeding, which comprises a positive pressure channel, a main pipeline, a middle connecting part and the like; the positive pressure channel is provided with an upper opening and a lower opening, and the upper opening is connected with the fan to provide positive pressure; the middle connecting part connects the positive pressure passage and the main pipeline together, and the air flow can be transmitted to the main pipeline through the positive pressure passage and the middle connecting part; the main pipeline is of a closed cylindrical structure, the upper end and the lower end of the main pipeline are respectively provided with an opening, the main pipeline comprises a linear control part and a curve seed guiding part which are sequentially connected, the upper end opening of the main pipeline is positioned on the linear control part and is correspondingly arranged with a seed feeding opening of a seed sowing device, and the direction of the lower end opening of the main pipeline is opposite to the advancing direction of the seed sowing machine.
Description
Technical Field
The utility model relates to an agricultural seeder, especially one kind is used for cooperating the accurate seed sowing machine of maize to throw the kind and can eliminate the spring, makes the seed relatively fixed, can improve the seed guiding device of the grain distance homogeneity and the accuracy of placement of accurate seeding.
Background
In the prior art, the seed throwing height (the distance from the seed throwing port to the bottom surface of the seed ditch) of the seeder has great influence on the distribution condition of seeds falling into the seed ditch. The seed metering height cannot be lowered due to the structural form of the working parts of the seeding machine or the working principle of the seed metering device, particularly for large-scale machines. Therefore, the seed guiding device for controlling the movement of the seeds is arranged in the furrow opener below the precision seed sowing device, so that the moving direction of the seeds can be changed when the seeds slide down along a curve, the seeds can slide backwards, the seeds have backward speed when leaving the lower end opening of the main pipeline, and the air flow acts on the seeds, so that the seeds have faster speed downwards, the bounce and the rolling of the seeds caused by the advancing speed of the sowing machine when falling into a seed ditch can be improved, and the sowing uniformity is improved.
Disclosure of Invention
The utility model aims to solve the technical problem that a can eliminate the seed spring at the seed metering in-process, and reach the zero-speed and throw kind, guarantee the supplementary device of leading kind of throwing kind of air current of the grain distance homogeneity and the drop point accuracy of accurate seeding.
In order to realize the above-mentioned purpose, the utility model provides a seed guiding device installs in the seed metering ware below of seeder, wherein, including trunk line, malleation passageway and intermediate junction device, the trunk line has the opening respectively for closed cylinder structure and upper and lower end, the trunk line includes the sharp control part and the curve seed guiding part that the order is connected, the upper end opening of trunk line is located sharp control part just throws kind of mouthful with the seed metering ware and corresponds the setting, the lower extreme open-ended direction of trunk line is opposite with the seeder direction of travel.
The seed guiding device is characterized in that the main pipeline is provided with two openings, wherein the opening a is 3 multiplied by 20mm, and the opening b is 1 multiplied by 20 mm.
The seed guiding device is characterized in that the two openings on the main pipe pressurize the partial pipe in contact with the intermediate connecting device after flowing through positive pressure, so that the seed feeding performance of the seed guiding device can be improved.
Above-mentioned kind of device of leading, wherein, the malleation passageway has the opening respectively for closed cylindrical structure and upper and lower end, the malleation passageway includes slope guide part and the perpendicular guide part that connects in proper order, malleation passageway upper end opening is located slope control part just is connected in order to provide the malleation with the fan, malleation passageway lower extreme opening links to each other with intermediate junction part, the slope guide part of malleation passageway with trunk line straight line control part is certain angle, the perpendicular guide part of malleation passageway with installation distance is 10cm between the straight line control part of trunk line.
The seed guiding device comprises a main pipeline, a positive pressure channel, a middle connecting device and a negative pressure channel, wherein the main pipeline is connected with the positive pressure channel through the middle connecting device, the positive pressure can be transmitted to the main pipeline through the positive pressure channel, seeds in the main pipeline are accelerated, the seeds are thrown into a furrow at a high speed, and the seeds are prevented from bouncing in the furrow.
The technical effects of the utility model reside in that:
the seed guide device of the utility model is used in cooperation with the precision seed sowing device of the sowing machine, so that the bounce of seeds falling from the seed feeding port of the precision seed sowing device can be eliminated before the seeds reach the seed ditch, and the zero-speed seed feeding is realized, thereby ensuring the uniformity of the grain distance and the accurate falling point of the precision sowing;
2 the seed guiding device has wide application range and can be matched with various types of precision seeding apparatuses for use;
3, the installation is convenient and the operation is reliable.
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the seed guiding device of the present invention.
Wherein: 1-seed metering device 2-corn seed 3-main pipeline 4-positive pressure channel 5-intermediate connecting device.
FIG. 2 is a front view of the seed guide.
Wherein: 6-the upper end opening 7 of the main pipeline, the upper end opening 8 of the positive pressure channel, a linear control part 9, a seed guide device 10, a screw cap 11, a curve seed guide part 12, the lower end opening 13 of the main pipeline, a furrow 14 and the advancing direction of the seeder.
FIG. 3 is a schematic view of the installation of the seed guiding device and the seed metering device.
Wherein: 15-the installation angle alpha of the seed metering device and the main pipeline.
Fig. 4 is a right side view of the main duct.
Fig. 5 is a partially enlarged view of the main pipe in fig. 4.
Wherein: 16-opening a 17-opening b.
Fig. 6 is a schematic view of the installation of the main pipe and the positive pressure channel.
Wherein: 18-inclined guide portion 19 of the positive pressure passageway-vertical guide portion 20 of the positive pressure passageway-lower end opening of the positive pressure passageway.
Fig. 7 is a cross-sectional view of an intermediate connection device.
Wherein: 21-channel a 22-channel b 23-channel c
Detailed Description
The following describes the structural and operational principles of the present invention in detail with reference to the accompanying drawings:
fig. 1 and fig. 2 are schematic views of a three-dimensional structure of a seed guiding device according to an embodiment of the present invention. The utility model discloses a lead kind of device 9 installs in seed metering ware 1 below, including trunk line 3, malleation passageway 4 and intermediate junction device 5, trunk line 3 has the opening respectively for closed cylindrical structure and upper and lower end, trunk line 3 leads kind of part 11 including the sharp control part 8 and the curve that the order is connected. The upper end opening 6 of the main pipeline 3 is positioned on the linear control part 8 and is correspondingly arranged with the seed feeding port of the seed sowing device 1, and the direction of the lower end opening 12 of the main pipeline 3 is opposite to the advancing direction of the advancing direction 14 of the seed sowing device. As shown in fig. 3, the seed guiding device 9 is obliquely installed with the seeding unit 1, and the installation angle 15 alpha is 20 degrees.
Referring to fig. 2 and 6, the seed guide device 9 is an air flow assisted seed feeding device, the positive pressure channel 4 is a closed cylindrical structure, and the upper end and the lower end of the positive pressure channel 4 are respectively provided with an opening, the positive pressure channel 4 comprises an inclined guide part 18 and a vertical guide part 19 which are connected in sequence, the opening 7 at the upper end of the positive pressure channel 4 is positioned on the inclined guide part 18 and is connected with a fan to provide positive pressure, the opening 20 at the lower end of the positive pressure channel 4 is connected with the middle connecting device 5, the inclined guide part 18 of the positive pressure channel 4 and the linear control part 8 of the main pipeline 3 form a certain angle, and the installation distance between the vertical guide part 18 of the positive pressure channel 4 and the linear control part 8 of the main pipeline 3. The positive pressure provided by the fan reaches the main pipeline 3 through the positive pressure channel 4, and applies a downward force to the corn seeds flowing through the main pipeline 3, so that the seeds can be driven into the furrow 13 at a higher speed.
Referring to fig. 4 and 5, a right side view of the main pipe 3 of the seed guiding device 9 is shown, the main pipe 3 is provided with two openings, an opening a 16 is 3 × 20mm, and an opening b 17 is 1 × 20 mm.
Referring to fig. 5, which is a cross-sectional view of the intermediate connector 5, the main pipe 3 and the positive pressure channel 4 are installed in the intermediate connector 5 as shown in fig. 4, and the positive pressure provided by the blower is transmitted to the b channel 22 of the intermediate connector 5 through the positive pressure channel 4 and then to the main pipe 3 through the a opening 16 of the main pipe 3, so as to apply a downward force to the corn seeds flowing through the main pipe 3, so that the seeds can be driven into the furrow 13 at a faster speed.
The working principle is that seeds fall into a main pipeline 3 from a seed feeding port of the seed sowing device 1, an accelerated motion state is formed in the main pipeline 3 under the auxiliary action of airflow, and the speed of the seeds when the seeds are separated from the main pipeline 3 is improved, so that the seeds are driven into a furrow 13 at a high speed, the bounce of the seeds in the furrow is avoided, and the uniformity of sowing grain distance is improved.
Claims (5)
1. The utility model provides a lead kind of device (9), installs seed metering ware (1) below at the seeder, its characterized in that, includes trunk line (3), malleation passageway (4) and intermediate junction device (5) and constitutes, trunk line (3) have the opening respectively for closed cylindrical structure and upper and lower end, trunk line (3) lead kind of part (11) including sharp control part (8) and the curve that the order is connected, upper end opening (6) of trunk line (3) are located sharp control part (8) just throw kind of mouth with seed metering ware (1) and correspond the setting, the lower extreme open-ended direction of trunk line (3) is opposite with seeder direction of travel (14).
2. The seed guider (9) of claim 1, characterized in that, there are two openings on the main pipe (3), the opening a (16) is 3 x 20mm opening, the opening b (17) is 1 x 20mm opening.
3. The seed guider (9) of claim 1, characterized in that two openings on the main pipe (3) pressurize the partial pipe where the main pipe (3) contacts the intermediate connector (5) after flowing through positive pressure, thereby improving the seed feeding performance of the seed guider (9).
4. The seed guiding device (9) as claimed in claim 1, wherein the positive pressure channel (4) is a closed cylindrical structure and has openings at the upper end and the lower end, the positive pressure channel (4) comprises an inclined guiding part (18) and a vertical guiding part (19) which are connected in sequence, the upper end opening (7) of the positive pressure channel (4) is located on the inclined guiding part (18) and is connected with a fan to provide positive pressure, the lower end opening (20) of the positive pressure channel (4) is connected with the intermediate connecting device (5), the inclined guiding part (18) of the positive pressure channel (4) and the linear control part (8) of the main pipeline (3) form a certain angle α (15), and the installation distance between the vertical guiding part (19) of the positive pressure channel (4) and the linear control part (8) of the main pipeline (3) is 10 cm.
5. The seed guider (9) of claim 1, wherein said intermediate connector (5) connects said main pipe (3) and said positive pressure channel (4) together, so that the positive pressure provided by the blower can be transmitted into said main pipe (3) through the positive pressure channel (4), and the seeds in said main pipe (3) are accelerated and thrown into the furrow (13) at a faster speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098578.2U CN212936659U (en) | 2020-06-15 | 2020-06-15 | Seed guiding device of corn precision planter based on air flow auxiliary seed throwing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021098578.2U CN212936659U (en) | 2020-06-15 | 2020-06-15 | Seed guiding device of corn precision planter based on air flow auxiliary seed throwing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212936659U true CN212936659U (en) | 2021-04-13 |
Family
ID=75385834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021098578.2U Active CN212936659U (en) | 2020-06-15 | 2020-06-15 | Seed guiding device of corn precision planter based on air flow auxiliary seed throwing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212936659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656922A (en) * | 2020-06-30 | 2020-09-15 | 山东省农业机械科学研究院 | Self-adaptive zero-speed seed feeding device, seed feeding control method and seed sowing device |
| CN114223357A (en) * | 2021-12-31 | 2022-03-25 | 安徽农业大学 | Quasi-spherical seed restraining and guiding type seed guiding device and precision dibbler thereof |
-
2020
- 2020-06-15 CN CN202021098578.2U patent/CN212936659U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111656922A (en) * | 2020-06-30 | 2020-09-15 | 山东省农业机械科学研究院 | Self-adaptive zero-speed seed feeding device, seed feeding control method and seed sowing device |
| CN111656922B (en) * | 2020-06-30 | 2022-08-30 | 山东省农业机械科学研究院 | Self-adaptive zero-speed seed feeding device, seed feeding control method and seed sowing device |
| CN114223357A (en) * | 2021-12-31 | 2022-03-25 | 安徽农业大学 | Quasi-spherical seed restraining and guiding type seed guiding device and precision dibbler thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212936659U (en) | Seed guiding device of corn precision planter based on air flow auxiliary seed throwing | |
| CN200956724Y (en) | Gas-flow style precisive rape seeder with photoelectric inspection | |
| CN104782278B (en) | A kind of precision weighing seed implement for precision planter | |
| US20120230779A1 (en) | Air Seeder Venting System | |
| CN212696545U (en) | Welsh onion three-hole tray seedling-raising missing-seeding reseeding device based on machine vision | |
| CN107018720B (en) | Traction type four-row corn plot seeder and seeding method | |
| CN105723887A (en) | Gas suction vibration drum type precise sowing device | |
| CN201846595U (en) | Automatic seeder for plant breeding | |
| CN108419490B (en) | Seeder with miss-seeding detection and reseeding functions | |
| CN103563529B (en) | A kind of band clamping seed sowing device | |
| CN101690448A (en) | Universal pneumatic seed-metering device for soy beans and corn | |
| AU2010200082B2 (en) | Air seeder venting system | |
| CN201947630U (en) | Spray type seed sowing mechanism | |
| CN108243675B (en) | Seed divider, seeding device and seeder | |
| CN108633409B (en) | Multi-row garlic seeder | |
| CN101027956A (en) | Precisive blowing paddy-rice seeder | |
| CN210745998U (en) | Air flow seed guiding device of seed sowing device for narrow-row close planting of soybeans | |
| CN209745575U (en) | Automatic seed leakage detection device of dibbler | |
| CN106941823B (en) | Hand-held pneumatic control type small particle seed single-grain seeder | |
| CN209435789U (en) | A kind of aspirated-air type garlic kind feeding-distribution device | |
| CN201515601U (en) | General pneumatic seed feeding device for soybean and corn | |
| CN106717351A (en) | A kind of flowing inhales kind of the precision metering device method planted clearly with collision and its a device | |
| CN217564093U (en) | High-speed seed disturbing and metering device | |
| CN109691268B (en) | Double-motor real-time reseeding and adjusting seeding device and method | |
| CN212544536U (en) | Pneumatic conveying distribution type side deep fertilizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |