CN109874467A - A kind of modification hole air-breathing precise seed sowing device - Google Patents
A kind of modification hole air-breathing precise seed sowing device Download PDFInfo
- Publication number
- CN109874467A CN109874467A CN201910330426.6A CN201910330426A CN109874467A CN 109874467 A CN109874467 A CN 109874467A CN 201910330426 A CN201910330426 A CN 201910330426A CN 109874467 A CN109874467 A CN 109874467A
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- seed
- discharge plate
- suction hole
- feed mechanism
- gas disk
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- 230000004048 modification Effects 0.000 title claims abstract description 15
- 238000012986 modification Methods 0.000 title claims abstract description 15
- 238000009331 sowing Methods 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000005192 partition Methods 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 244000241235 Citrullus lanatus Species 0.000 description 1
- 235000012828 Citrullus lanatus var citroides Nutrition 0.000 description 1
- 244000020551 Helianthus annuus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- 244000303847 Lagenaria vulgaris Species 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 210000000003 hoof Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
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- 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
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- Sowing (AREA)
Abstract
The present invention relates to a kind of modification hole air-breathing precise seed sowing devices, including grain cover, gear gas disk, discharge plate, main shaft, feed mechanism for seed shell, gas disk and discharge plate are kept off between grain cover and feed mechanism for seed shell, and it fits closely therebetween, gear gas disk is fixed between feed mechanism for seed shell, for discharge plate with main axis, the inside and outside arc groove on suction hole and gear gas disk on discharge plate collectively constitutes effective suction hole.The present invention is aiming at the problem that the flat seed of bulky grain is fallen during aspirated-air type seeding around suction hole rotation, effective suction hole that generating period changes using the rotation with discharge plate makes seed keep accurately adsorbing at any time, lug boss on discharge plate can hold up seed when taking kind, seed direction is guided when charging seed, and improves the aspirated-air type seed-metering performance of the flat seed of bulky grain.
Description
Technical field
The invention belongs to agricultural seeding technical fields, and in particular to a kind of modification hole air-breathing precise seed sowing device.
Background technique
The flat seed of bulky grain, such as a kind of watermelon, sunflower, bottle gourd seed be when using air-suction seeding unit operation, seed
There is in the absorption position on suction hole and between center of gravity certain deviation, when center of gravity is on the upper side relative to suction hole, seed is with suction
When kind hole turns to discharge plate highest point, directional velocity is inverted, and seed can be around suction hole under inertia force and gravity
It relatively rotates, the center of gravity of seed moves down after rotation, causes seed to be detached from suction hole, causes broadcast leakage.
Summary of the invention
The technical problem to be solved by the present invention is solving the flat seed of bulky grain during aspirated-air type seeding high-speed job
Broadcast leakage problem.
The technical solution of the technical problem to be solved in the present invention is: a kind of modification hole air-breathing precise seed sowing device, including row
Device lid, discharge plate, main shaft, feed mechanism for seed shell are planted, is fixedly connected on the left of the grain cover and feed mechanism for seed shell, discharge plate disk
Multiple suction holes are uniform-distribution on same circumference, discharge plate, which is set to the left side of grain cover and fixes with the right end of main shaft, to be connected
It connecing, the main shaft is rotatablely connected by bearing and feed mechanism for seed shell, and feed mechanism for seed shell is separated into atmospheric chamber and negative pressure chamber by partition,
It is characterized in that: being equipped with gear gas disk between the feed mechanism for seed shell and discharge plate, the gear gas is faced left the right side of side and feed mechanism for seed shell
It is fixedly connected, the right side of the gear gas disk and the left side of discharge plate fit closely, and the center of the gear gas disk is equipped with center
Hole is overlapped to pass through main shaft, the axial line of the gear gas disk with the axial line of discharge plate, corresponding in the disk of the gear gas disk
The region of negative pressure chamber is equipped with arc groove that is perforation and being in rotational direction intended to the center of circle, the center of circle of the arc groove and gear gas disk
Axial line, discharge plate axial line be overlapped, and arc groove is overlapped with the circumference where suction hole.Preferably, the seeding
Disk includes integrally formed trunk portion and lug boss, and for boss in the left side of trunk portion, the lug boss is cone or cone
Shape platform, the suction hole is strip, and the length direction of suction hole is overlapped with the radial direction of discharge plate, the suction hole
It starts from lug boss and terminates in trunk portion.
Preferably, there are two the arc groove of the gear gas disk is set, respectively inner arc slot and outer arcuate slot, inner arc slot position
On the inside of outer arcuate slot, one end of inner arc slot is overlapped in a circumferential direction with one end of outer arcuate slot, and overlapping region is institute
In 5~10 ° of range of circumference, the overlapping region is located within the scope of 10 ° of vertical direction or so, the inner arc slot and outer arcuate
The non-coincidence one end of slot respectively with the both ends overlapping margins of negative pressure chamber.
Preferably, the inner arc slot and outer arcuate slot is of same size, and width is 4-6mm.
The invention has the benefit that
At work, effective suction kind region of suction hole occurs modification hole air-suction seeding unit with the rotation of discharge plate
Variation, when relatively rotating between suction hole in flat seed because of inertia and gravity, keep the center of gravity of seed with
Effective suction hole is overlapped, and improves air-suction seeding unit to the absorption property of flat seed.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of modification hole air-breathing precise seed sowing device；
Fig. 2 is the main view of modification hole air-breathing precise seed sowing device；
Fig. 3 is the cross-sectional view in the direction A-A in Fig. 2；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the structural schematic diagram of discharge plate；
Fig. 6 is the structural schematic diagram for keeping off gas disk.
In figure:
1. 2. discharge plate 3. of grain cover keeps off 4. feed mechanism for seed shell of gas disk, 5. negative pressure chamber, 6. groove, 7. bearing, 8. main shaft
9. 15. centre bore of baseplane 10. suction hole, 11. inclined-plane 12. inner groove, 13. outer groove, 14. convex button.
Specific embodiment
To keep technical solution of the present invention and beneficial effect clearer, embodiments of the present invention are done further below
Explain in detail.
As shown in Figure 1, a kind of modification hole air-breathing precise seed sowing device includes grain cover 1, discharge plate 2, gear gas disk 3, row
Kind device shell 4 and main shaft 8.Feed mechanism for seed shell 4 is the hollow housing equipped with opened portion, and face where opened portion is plane.Seeding
Atmospheric chamber and negative pressure chamber 5 are separated by partition inside device shell 4.Negative pressure chamber 5 is equipped with aspirating hole to connect negative pressure source.Such as Fig. 1
Shown, negative pressure chamber 5 is a kind of shape of a hoof, and is arranged along the periphery of feed mechanism for seed shell 4.The opened portion of feed mechanism for seed shell 4 it is opposite
The center of side is rotatablely connected by the right side of bearing 7 and main shaft 8.Main shaft 8 be located at one end outside feed mechanism for seed shell 4 to
It is connect with drive system.Grain cover 1 is the shell equipped with opened portion, and the opened portion of grain cover 1 and feed mechanism for seed shell 4 is solid
Fixed connection, to form closed cavity.Discharge plate 2 is arranged between grain cover 1 and feed mechanism for seed shell 4, and in discharge plate 2
The heart is fixedly connected with the left end of main shaft 8.Multiple suction holes 10 are uniform-distribution on the same circumference of 2 disk of discharge plate.Keep off gas disk 3
Between feed mechanism for seed shell 4 and discharge plate 2, the left side of the right side and discharge plate 2 that keep off gas disk 3 fits closely and the two can
To relatively rotate, the right side of gear gas disk 3 is fixedly connected with the left open portion of feed mechanism for seed shell 4, is realized and is born on feed mechanism for seed shell 4
The closing of pressure chamber 5.The middle part for keeping off gas disk 3 is equipped with centre bore 15 to pass through main shaft 8.
Preferably, as shown in fig. 6, the side of discharge plate 2 is equipped with convex button 14, correspondingly, as shown in Figure 1, feed mechanism for seed shell 4
The inside of side is equipped with groove 6, and convex button 14 can be embedded inside groove 6, to realize the relatively fixed of the two.
The axial line of gear gas disk 3 is overlapped with the axial line of discharge plate 2, and the disk of gear gas disk 3 is equipped with penetrate through and edge and turns
Dynamic direction is intended to the arc groove in the center of circle.The coincidence of annulus where arc groove is located at 10 opening area of suction hole.On discharge plate 2
Suction hole 10 combines to form effective suction hole with arc groove.
When the direction that discharge plate 2 rotates is to pass through the top of gear gas disk 3 from left to right, on arc groove vertical direction
The left side at end, the outer side superimposed of the 10 place annulus of inside and suction hole of arc groove, on the right side of arc groove vertical direction upper end,
The interior side superimposed of the 10 place annulus of outside and suction hole of arc groove.Preferably, the region of variation of arc groove is located at vertical direction
Within the scope of 10 ° of left and right.
Alternatively, when the width of arc groove is less than the length of 10 radial direction of suction hole.It keeps off on the circumference of gas disk 3 by vertical side
On the circumferencial direction approached to the right to the left, arc groove is become by the inside side edge of outer ledge of 10 place annulus of suction hole
Closely, the direction that discharge plate 2 rotates at this time is that from left to right, when by the upper end of vertical direction, effective suction hole makes seed
Stress area is constantly close to the center of circle.
Preferably, keep off gas disk 3 arc groove set there are two, respectively inner arc slot 12 and outer arcuate slot 13, inner arc slot
12 are located at 13 inside of outer arcuate slot.Inner arc slot 12 and outer arcuate slot 13 it is of same size, and width is 4-6mm.
One end of inner arc slot 12 is overlapped in a circumferential direction with one end of outer arcuate slot 13, and overlapping region is place circle
The range in 5~10 ° of week, wherein overlapping region is located within the scope of 10 ° of vertical direction or so.Inner arc slot 12 and outer arcuate slot 13 are non-
One end of coincidence respectively with the both ends overlapping margins of negative pressure chamber.
Outer arcuate slot 13 can be overlapped in radial directions with inner arc slot 12, also be separated.When the two is overlapped, outer arcuate
The inner radius of slot 13 is less than the outer radius 1-3mm of inner arc slot 12；When the two separates, the inner radius of outer arcuate slot 13 is big
In the outer radius 1-3mm of inner arc slot 12.Either outer arcuate slot 13 is overlapped or divides in radial direction with inner arc slot 12
From the outside of outer arcuate slot 13 is less than suction hole 10 with the inside of inner arc slot 12 in radial direction at a distance from radial direction
Length.
Its working principle is that:
Effective suction hole of modification hole air-breathing precise seed sowing device is by the suction hole 10 and gear gas disk 3 on discharge plate 2
Arc groove is composed.Negative pressure chamber is in vacuum state under the action of negative-pressure air fan when work, and effective suction hole passes through pressure
Difference absorption takes kind, and seed is attracted on effective suction hole.Using inside and outside arc groove structure when, when suction hole is in outer annular groove
When partial turn, effective suction hole is that suction hole 10 and outer arcuate slot 13 form, and the radial dimension where effective suction hole is larger,
Seed position is partially outer；When suction hole comes top outer annular groove and interior annular groove intersection, effective suction hole is by inhaling
Kind of hole and outer, interior annular groove collectively constitute, and the binding domain of seed increases, and seed is revolved due to inertia and gravity around suction hole
Turn, postrotational seed decentralization is overlapped with interior annular groove；When suction hole continues to move down, effective suction hole is by inhaling kind
Hole 10 and interior annular groove 12 form, and seed center of gravity is overlapped with effective suction hole, seed adsorption reliability, when suction hole goes to annular
When slot end, negative pressure chamber is terminated, and seed adsorption capacity disappears, and seed is completed to charge seed under the effect of gravity.
Preferably, discharge plate 2 includes integrally formed trunk portion 9 and lug boss 11, and lug boss 11 is located at a left side for trunk portion 9
Side, lug boss 11 are cone or taper platform.Suction hole 10 is strip, and the length direction of suction hole 10 and discharge plate 2
Radial direction be overlapped, suction hole 10 starts from lug boss 11 and terminates in trunk portion 9.
The design is advantageous in that, can be held seed when being located at the suction hole 10 of lug boss 11 upward, be prevented its pendant
It falls, leaks kind of a rate to reduce, when being located at the suction hole 10 of lug boss 11 downward, provide guiding for the whereabouts of seed, it is preferably sliding
Enter inside discharging tube.
In conclusion only presently preferred embodiments of the present invention, is not supposed to be a limitation to the present invention, by above-mentioned
Description, relevant staff completely can without departing from the scope of the technological thought of the present invention', carry out multiplicity change
More and modify.Technical scope of the invention is not limited to the contents of the specification, all claimed range institutes under this invention
The shape stated, construction, feature and the so-called equivalent changes and modifications of spirit should all include and scope of the presently claimed invention
It is interior.
Claims (4)
1. a kind of modification hole air-breathing precise seed sowing device, including grain cover (1), discharge plate (2), main shaft (8), feed mechanism for seed shell
(4), it is fixedly connected on the left of the grain cover (1) and feed mechanism for seed shell (4), on the same circumference of discharge plate (2) disk uniformly
It is dispersed with multiple suction holes (10), discharge plate (2), which is set to the left side of grain cover (1) and fixes with the right end of main shaft (8), to be connected
It connects, the main shaft (8) is rotatablely connected by bearing (7) and feed mechanism for seed shell (4), and feed mechanism for seed shell (4) is separated into normal pressure by partition
Room and negative pressure chamber (5), it is characterised in that:
Gear gas disk (3), the gear gas disk (3) left side and feed mechanism for seed shell are equipped between the feed mechanism for seed shell (4) and discharge plate (2)
(4) it is fixedly connected on the right side of, the right side of gear gas disk (3) and the left side of discharge plate (2) fit closely, the gear gas disk
(3) center be equipped with centre bore (15) to pass through main shaft (8),
The axial line of gear gas disk (3) is overlapped with the axial line of discharge plate (2), corresponding negative in the disk of gear gas disk (3)
The region of pressure chamber (5) is equipped with arc groove that is perforation and being in rotational direction intended to the center of circle, the center of circle of the arc groove and gear gas
The axial line of disk (3), the axial line of discharge plate (2) are overlapped, and arc groove is overlapped with the circumference where suction hole (10).
2. a kind of modification hole air-breathing precise seed sowing device according to claim 1, it is characterised in that:
The discharge plate (2) includes integrally formed trunk portion (9) and lug boss (11), and lug boss (11) is located at trunk portion (9)
Left side, the lug boss (11) be cone or taper platform,
The suction hole (10) is strip, and the length direction of suction hole (10) is overlapped with the radial direction of discharge plate (2),
The suction hole (10) starts from lug boss (11) and terminates in trunk portion (9).
3. a kind of modification hole air-breathing precise seed sowing device according to claim 2, it is characterised in that:
There are two the arc groove of gear gas disk (3) is set, respectively inner arc slot (12) and outer arcuate slot (13), inner arc slot
(12) it is located on the inside of outer arcuate slot (13), one end of inner arc slot (12) and one end of outer arcuate slot (13) weigh in a circumferential direction
It closes, and the range that overlapping region is 5~10 ° of place circumference, the overlapping region are located within the scope of 10 ° of vertical direction or so, institute
State inner arc slot (12) and the non-coincidence one end of outer arcuate slot (13) respectively with the both ends overlapping margins of negative pressure chamber.
4. a kind of modification hole air-breathing precise seed sowing device according to claim 3, it is characterised in that:
The inner arc slot (12) and outer arcuate slot (13) it is of same size, and width is 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330426.6A CN109874467B (en) | 2019-04-23 | 2019-04-23 | Modified hole air suction type precise seed sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330426.6A CN109874467B (en) | 2019-04-23 | 2019-04-23 | Modified hole air suction type precise seed sowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109874467A true CN109874467A (en) | 2019-06-14 |
| CN109874467B CN109874467B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910330426.6A Active CN109874467B (en) | 2019-04-23 | 2019-04-23 | Modified hole air suction type precise seed sowing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109874467B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930789A (en) * | 2021-03-26 | 2021-06-11 | 山东理工大学 | Air-suction type precision seed sowing device for single-disc double-side seed sowing |
| CN115067029A (en) * | 2022-07-14 | 2022-09-20 | 内蒙古民族大学 | Corn and soybean composite planting seeder with adjustable spacing |
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| US20050150442A1 (en) * | 2004-01-14 | 2005-07-14 | Enrique Friesen | Seed meter |
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| CN102577716A (en) * | 2012-03-20 | 2012-07-18 | 中国农业大学 | Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof |
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| CN104956815A (en) * | 2015-07-08 | 2015-10-07 | 中国农业大学 | Accurate seed throwing mechanism and accurate seed throwing method of corn planter |
| CN106612772A (en) * | 2017-03-03 | 2017-05-10 | 山东农业大学 | Air-suction type precision seed sowing device for vegetables |
| CN206442690U (en) * | 2017-01-17 | 2017-08-29 | 河北省农业机械化研究所有限公司 | Double-arc spline plane-of-weakness joint type air-suction seed metering device |
| CN209787818U (en) * | 2019-04-23 | 2019-12-17 | 山东理工大学 | Hole-changing air-suction type precision seed sowing device |
-
2019
- 2019-04-23 CN CN201910330426.6A patent/CN109874467B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2566601Y (en) * | 2002-09-11 | 2003-08-20 | 杨宛章 | Improved suction-assistant structure of suction seeding apparatus |
| US20050150442A1 (en) * | 2004-01-14 | 2005-07-14 | Enrique Friesen | Seed meter |
| CN2935757Y (en) * | 2006-08-04 | 2007-08-22 | 张国跃 | Air sucking internal filling seed type seed sowing device |
| CN200997764Y (en) * | 2007-01-25 | 2008-01-02 | 中国农业大学 | Wheat assembled sucking-hole gas-sucking type seeding apparatus |
| CN102577716A (en) * | 2012-03-20 | 2012-07-18 | 中国农业大学 | Air suction and mechanical auxiliary planting combined type corn precision seed-metering device and seed metering method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930789A (en) * | 2021-03-26 | 2021-06-11 | 山东理工大学 | Air-suction type precision seed sowing device for single-disc double-side seed sowing |
| CN112930789B (en) * | 2021-03-26 | 2022-06-14 | 山东理工大学 | Air-suction type precision seed sowing device for single-disc double-side seed sowing |
| CN115067029A (en) * | 2022-07-14 | 2022-09-20 | 内蒙古民族大学 | Corn and soybean composite planting seeder with adjustable spacing |
| CN115067029B (en) * | 2022-07-14 | 2023-09-19 | 内蒙古民族大学 | Corn and soybean composite planting seeder capable of adjusting distance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109874467B (en) | 2023-09-29 |
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Effective date of registration: 20240102 Address after: 1609, building 3, yard 10, Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: DEBONT Co.,Ltd. Address before: College of agricultural engineering and food science, Shandong University of technology, 266 Xincun West Road, Zhangdian District, Zibo City, Shandong Province Patentee before: Shandong University of Technology |