CN106973597A - The air-aspiration type precision feed drum that air-blowing is charged seed - Google Patents
The air-aspiration type precision feed drum that air-blowing is charged seed Download PDFInfo
- Publication number
- CN106973597A CN106973597A CN201710272126.8A CN201710272126A CN106973597A CN 106973597 A CN106973597 A CN 106973597A CN 201710272126 A CN201710272126 A CN 201710272126A CN 106973597 A CN106973597 A CN 106973597A
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- China
- Prior art keywords
- roller
- air
- seed
- separating device
- absolute pressure
- 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.)
- Pending
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- 238000007664 blowing Methods 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229920003225 polyurethane elastomer Polymers 0.000 claims 1
- 238000010899 nucleation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000009331 sowing Methods 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000009336 multiple cropping Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000384 rearing effect Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses the air-aspiration type precision feed drum that air-blowing is charged seed, including roller hollow shaft, absolute pressure separating device, snap joint, sealing ring and the roller processed by half-sectional formula etc..Conical through-hole is provided with its roller, roller hollow shaft is welded as a whole by suspension member with absolute pressure separating device, one end link negative-pressure gas of roller hollow shaft is connected with drums inside, the other end links barotropic gas and roller the inner is sealed and is provided with the aperture of link snap joint is connected with absolute pressure separating device by snap joint and plastic tube, and absolute pressure separating device is contacted down and with inner wall of rotary drum by rubber strip.The present invention, which is used in interior suction, blows principle, drums inside space is divided into two sealing areas of malleation and negative pressure by absolute pressure separating device, negative pressuren zone adsorbs seed in the conical through-hole on cylinder wall, then when roller rotates to barotropic field with seed, barotropic gas of the seed in absolute pressure separating device blows off under blowing from conical through-hole.It is high with simple in construction, overall efficiency using the device, seeding uniformity it is good have advantage.
Description
Technical field
The present invention relates to a kind of feed drum, the air-aspiration type precision feed drum that air-blowing is charged seed is referred in particular to.
Background technology
China's agricultural area is larger, and culturing and transplanting seedlings are due to that can increase economic efficiency, raise the multiple-cropping index, improve soil profit
It is increasingly subject to pay attention to rate, therefore, industrial seedling rearing necessarily plays an important role in following agricultural development, and then essence amount
The development of seeding machinery is particularly important.
Seeding and growing seedling is one of key link of culturing and transplanting seedlings, and hole plate seedling growth feed mechanism for seed is plug-seedling precision seed planter
Core component, by structural principle point is mechanical and aspirated-air type, wherein pneumatic seeder taken kind, planted clearly using air-flow, take kind and
Charge seed, there is high productivity ratio, seed strong adaptability and injuring-free seed, be the research direction of precise seeder.Domestic outer gas
The research and development of suction hole plate seedling growth seeder are main using neat appearance or pelletized seed as research object, in face of with size it is small,
The small-sized seed that profile is irregular, poor fluidity is principal character（It is non-to have pelletized）, only planted by changing to take kind of air chamber and inhale
Pore structure parameter and aerodynamic parameter are can not to meet the sowing seeds technology requirement in its " one, a cave ".Due to processing pelletized kind
Sub- price is high（5-8 times of generally non-pill pelleting seed）, it is difficult to received by wide farmers, hole plate seedling growth sowing is main with artificial
Based on operation, low production efficiency, labor intensity is big, and recruitment cost is high, directly constrain mechanization seedling-raising technique be applied to push away
Extensively, therefore in the urgent need to research and development popularization can realize " one, a cave " technical requirements（Non- pill pelleting seed）Hole tray is educated
Seedling precise seeder.
The content of the invention
The purpose of the present invention is to be to solve that existing pneumatic drum type feed mechanism for seed drums inside flow field is uneven to cause to fill kind
Poor-performing easily causes broadcast leakage and a hole is a variety of so as to cause the problem of uneven sowing is even, and present invention offer is a kind of simply, broadcast
Plant the air-aspiration type precision feed drum that excellent in efficiency and the high air-blowing of uniformity are charged seed.
The purpose of the present invention can be reached with following technical scheme：The air-aspiration type precision feed drum that air-blowing is charged seed, its feature
It is：Including roller hollow shaft, absolute pressure separating device, snap joint, sealing ring and the roller processed by half-sectional formula etc..It is rolled
Conical through-hole is provided with cylinder, roller hollow shaft is welded as a whole by suspension member with absolute pressure separating device, one end of roller hollow shaft
Link negative-pressure gas is connected with drums inside, and the other end links barotropic gas and roller the inner seals and is provided with link snap joint
Aperture connected with absolute pressure separating device by snap joint and plastic tube, absolute pressure separating device down and pass through rubber strip with rolling
Cylinder inwall contact.The present invention in interior suction using principle is blown, and drums inside space is divided into malleation and negative pressure two by absolute pressure separating device
Individual sealing area, negative pressuren zone adsorbs seed in the conical through-hole on cylinder wall, and then roller rotates to malleation with seed
During region, barotropic gas of the seed in absolute pressure separating device blows off under blowing from conical through-hole.
As a kind of preferred scheme, the roller is formed with the processing and manufacturing of half-sectional formula, and the roller is installed in inner chamber
After the completion of two halves roller is fixed together by pipe clamp, then carry out encapsulation process with fluid sealant.
As a kind of preferred scheme, two sections of the roller are separately installed with two poly- ammonia for playing support and sealing function
Fat rubber seal.
As a kind of preferred scheme, conical through-hole is provided with the roller, its through hole is less than in the size of inner wall of rotary drum
The size of seed, the size of outer surface of cylinder is more than the size of seed.
As a kind of preferred scheme, the roller hollow shaft is welded together with absolute pressure separating device by suspension member, into
It is structure as a whole.
As a kind of preferred scheme, there are inside and outside two positioning boss at the roller hollow shaft two ends, and the roller is hollow
Axle is fixedly mounted in frame by iron hoop.
As a kind of preferred scheme, one end seals and is provided with small in the input barotropic gas roller of the roller hollow shaft
Through hole is by snap joint and thin plastic flexible pipe toward conveying barotropic gas in absolute pressure separating device.
As a kind of preferred scheme, the absolute pressure separating device bottom is to be connect by rubber strip with inner wall of rotary drum sealing
Touch.
Implement the present invention, have the advantages that：1st, the present invention is to start motor to drive in drum functions, first
Roller turns, then inputs malleation and negative-pressure gas from roller hollow shaft two ends, makes drums inside space shape by absolute pressure separating device
Into barotropic field and negative pressure region, the negative pressuren zone of drums inside is by seed when the conical through-hole on roller rotates to kind of case discharging opening
Adsorb and be stuck on roller conical through-hole, when then roller rotates to barotropic field with the seed of absorption, seed is separating dress
Put under the blowing of barotropic gas and outwards uniformly to be blown out from conical through-hole, seeding uniformity high with simple in construction, overall efficiency
Good has advantage.
2nd, the present invention solves the problem of small granule seed is difficult to fall from roller conical through-hole under self gravitation.
3rd, the structure design of the drums inside is structure as a whole, and makes feed mechanism for seed stability good, drums inside negative pressure region
Flow field is more uniform, it is ensured that inhale the uniformity planted and blown and plant.
4th, the roller is formed using the processing and manufacturing of half-sectional formula, simple in construction, and process and assemble is convenient.
5th, drums inside absolute pressure segmenting device bottom is reduced and inner wall of rotary drum by rubber strip and inner wall of rotary drum flexible contact
Frictional resistance, make roller rotate it is more steady.
Brief description of the drawings
In order to illustrate more clearly of present invention implementation, below to the required accompanying drawing used in implementation and description of the prior art
Simple to introduce, drawings in the following description are only some embodiments of the present invention, with reference to the drawings and specific embodiments pair
The present invention is described further.
Fig. 1 is the main sectional view for the air-aspiration type precision feed drum that air-blowing of the present invention is charged seed.
Fig. 2 is the feed mechanism for seed front view that the air-aspiration type precision feed drum that air-blowing of the present invention is charged seed is implemented on feed mechanism for seed.
Fig. 3 is regarded in the feed mechanism for seed part that the air-aspiration type precision feed drum that air-blowing of the present invention is charged seed is implemented on feed mechanism for seed
Figure.
Label in figure：The positive pressure roller hollow shafts of 1-, 2- rollers, 3- sealing rings, 4- conical through-holes, 5- negative pressure regions, 6- is fixed
Position boss, 7- seal washers, 8- chain wheel bolts, 9- negative pressure roller hollow shafts, 10- driven sprockets, 11- rubber strips, 12- absolute pressures point
Every device, 13- barotropic fields, 14- snap joints, 15- plastic flexible pipes, 16- snap joints, 17- suspension members, the positive pressure fans of 18-,
19- malleation flexible pipes, 20 negative pressure flexible pipes, 21- negative-pressure air fans, 22- frames, 23- kind box brackets, 24- kind case air inlets, 25- kind casees,
26- head sprockets, 27- motors, 28- drum shaft iron hoops, 29- pipe clamps, 30- kind separator for containers, 31- kind bottom plate stomatas, 32- is dredged
Wall.
Embodiment
Embodiment.
Referring to figs. 1 to Fig. 3, the present embodiment is related to the pneumatic drum type precise seeder that air-blowing is charged seed, it include frame 22,
Case 25, blower fan 18,21 and the roller 2 driven by motor 27 are planted, two section roller hollow shafts 1,9 pass through suspension member 17 and absolute pressure separates
Device 12 welds together, and roller 2 is arranged in frame 22 by roller hollow shaft 1,9, and conical through-hole 4 is provided with its surface,
One end link negative pressure air pump of negative pressure roller hollow shaft 9 is connected with drums inside, and drums inside is provided with absolute pressure separating device 12, just
Drums inside one end of pressure roller hollow shaft 1 seal and be provided with link snap joint 16 through hole pass through with absolute pressure separating device 12
Snap joint 14 and the conveying barotropic gas of plastic flexible pipe 15, absolute pressure separating device 12 down and pass through rubber strip 11 and inner wall of rotary drum
Contact.Drums inside space is divided into barotropic field 13 and negative pressure region 5 by absolute pressure separating device 12, when feed mechanism for seed works, first
First starting the head sprocket 26 of motor 27 drives driven sprocket 10 to rotate roller 2, restarts positive pressure fan 18 and negative-pressure air fan 21, leads to
Cross malleation flexible pipe 19 and negative pressure flexible pipe 20 and input gas toward drums inside, plant case air inlet 24 and be passed through barotropic gas.Operationally,
The seed planted in case 25 blows the surface that seed flows to roller, the negative pressure of drums inside by the kind bottom plate stomata 31 of discharging opening
Seed is adsorbed and is stuck on roller conical through-hole 4 by region 5, and then roller 2 rotates to barotropic field with adsorbed seed
When 13, seed is outwards blown out in absolute pressure separating device 12 under the blowing of malleation air-flow from conical through-hole 4, it is achieved thereby that seed
Broadcast.Because conical through-hole 4 is equably opened on roller 2 so that be adsorbed on the seed on conical through-hole 4 in zone of positive pressure
Domain 13 can equably be sowed away, with simple in construction, sowing efficiency high, the characteristics of seeding uniformity is good.
Respectively there are two sealing rings 3 and the two ends of roller 2 with reference to the positive pressure roller hollow shafts 1 of Fig. 1 and the two ends of negative pressure roller hollow shaft 9
Support and sealing function are played in close link.Positive pressure roller hollow shaft 1 and the two ends of negative pressure roller hollow shaft 9 are designed with positioning boss
6, positive pressure roller hollow shaft 1 is sealed in the inside one end of roller 2 and is provided with the link through hole of snap joint 14, absolute pressure separating device 12
Portion is provided with aperture and chain is connected to snap joint 14, and positive pressure roller hollow shaft 1 and negative pressure roller hollow shaft 9 are hung down by two suspension members 17
Straight separating device 12 weld be linked together and the center line of two section roller hollow shafts and the centerline parallel of separating device 12 and
In the same plane, two snap joints 14 connect to realize conveying barotropic gas by plastic flexible pipe 15, and this is simple in construction, makes
The flow field of drums inside negative pressure region is more uniform, and rollers running is stable, it is ensured that inhale the uniformity planted and blown and plant.
With reference to Fig. 1 rollers 2 formed using the processing and manufacturing of half-sectional formula, pipe clamp is passed through after the inner lumen installation of roller 2
Two halves roller is closely attached to together and handled by sealant sealing by 29, and driven sprocket 10 is fixed on roller 2 by bolt 8
On, have at the bolt hole of drums inside and be provided with conical through-hole 4 on seal washer 6, the roller, its conical through-hole 4 is in roller
The size of wall is less than the size of seed, and the size in the outer surface of roller 2 is more than the size of seed.
Case 25 is planted with reference to Fig. 3 to be fixed in frame 22 by kind of box bracket 23, it is for adjusting to plant box bracket 23 and be provided with U-type groove
Kind of the angle that takes of section kind of case 25 and roller 2, plant bottom plate have less than seed sizes through hole 31 and dredge kind of a wall 32, barotropic gas from
Kind of case air inlet 24 is inputted, then blow seed suspension to the surface of roller 2 from kind of a case bottom hole 31, and drums inside is born
Seed is adsorbed and is stuck on conical through-hole 4 by intermediate pressure section 5, when roller 2 rotates to barotropic field 13 with adsorbed seed, is planted
Son is outwards blown out under the blowing of malleation air-flow from conical through-hole 4, so as to realize the seeding of feed mechanism for seed.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (8)
1. the air-aspiration type precision feed drum that air-blowing is charged seed, it is characterised in that：Including roller hollow shaft, absolute pressure separating device, fast
Quick coupling, sealing ring and roller for being processed by half-sectional formula etc., are provided with conical through-hole, roller hollow shaft passes through suspension member on its roller
It is welded as a whole with absolute pressure separating device, one end link negative-pressure gas of roller hollow shaft is connected with drums inside, other end chain
Connect barotropic gas and roller the inner seal and be provided with aperture and the absolute pressure separating device of link snap joint by snap joint and
Plastic tube connects absolute pressure separating device down and contacted by rubber strip with inner wall of rotary drum;The present invention, which is used in interior suction, blows principle,
Drums inside space is divided into two sealing areas of malleation and negative pressure by absolute pressure separating device, and negative pressuren zone adsorbs seed in cylinder wall
On conical through-hole in, when then roller rotates to barotropic field with seed, positive pressure gas of the seed in absolute pressure separating device
Body is blown down to be blown off from conical through-hole.
2. the air-aspiration type precision feed drum that air-blowing according to claim 1 is charged seed, it is characterised in that：The roller is with half
Cut open formula processing and manufacturing to form, the roller is by pipe clamp two halves roller to be fixed together after the installation of inner chamber, then is used
Fluid sealant carries out encapsulation process.
3. the air-aspiration type precision feed drum that air-blowing according to claim 1 or claim 2 is charged seed, it is characterised in that：The roller
Two sections are separately installed with two polyurethane rubber sealing rings for playing support and sealing function.
4. the air-aspiration type precision feed drum that air-blowing according to claim 1 or 2 is charged seed, it is characterised in that：The roller
On be provided with conical through-hole, its through hole is less than the size of seed in the size of inner wall of rotary drum, and the size of outer surface of cylinder is more than seed
Size.
5. the air-aspiration type precision feed drum that air-blowing according to claim 1 is charged seed, it is characterised in that：The roller is hollow
Axle is welded together with absolute pressure separating device by suspension member, is become one structure.
6. the air-aspiration type precision feed drum that air-blowing according to claim 5 is charged seed, it is characterised in that：The roller is hollow
There are inside and outside two positioning boss at axle two ends, and the roller hollow shaft is fixedly mounted in frame by iron hoop.
7. the air-aspiration type precision feed drum that the air-blowing according to claim 5 or 6 is charged seed, it is characterised in that：The roller
One end seals and is provided with small through hole by snap joint and thin plastic flexible pipe toward absolute pressure in the input barotropic gas roller of hollow shaft
Barotropic gas is conveyed in separating device.
8. the air-aspiration type precision feed drum that air-blowing according to claim 1 is charged seed, it is characterised in that:The absolute pressure point
It is in sealing contact with inner wall of rotary drum by rubber strip every device bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710272126.8A CN106973597A (en) | 2017-04-24 | 2017-04-24 | The air-aspiration type precision feed drum that air-blowing is charged seed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710272126.8A CN106973597A (en) | 2017-04-24 | 2017-04-24 | The air-aspiration type precision feed drum that air-blowing is charged seed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106973597A true CN106973597A (en) | 2017-07-25 |
Family
ID=59345350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710272126.8A Pending CN106973597A (en) | 2017-04-24 | 2017-04-24 | The air-aspiration type precision feed drum that air-blowing is charged seed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106973597A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
| CN112913398A (en) * | 2021-03-30 | 2021-06-08 | 石河子大学 | Built-in pressure-isolating cavity air suction drum type precision seed sowing device |
| CN113303055A (en) * | 2021-05-25 | 2021-08-27 | 江苏大学 | Continuous hole sowing control system and method for air suction drum type seed sowing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880990A (en) * | 2021-01-11 | 2021-06-01 | 浙江理工大学 | A air-blowing supplies kind of stability testing arrangement for different seeds |
| CN112913398A (en) * | 2021-03-30 | 2021-06-08 | 石河子大学 | Built-in pressure-isolating cavity air suction drum type precision seed sowing device |
| CN113303055A (en) * | 2021-05-25 | 2021-08-27 | 江苏大学 | Continuous hole sowing control system and method for air suction drum type seed sowing device |
| CN113303055B (en) * | 2021-05-25 | 2022-05-20 | 江苏大学 | Continuous hole-seeding control system and method for air-suction drum-type seed sowing device |
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