CN206790944U - 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
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- CN206790944U CN206790944U CN201720435140.0U CN201720435140U CN206790944U CN 206790944 U CN206790944 U CN 206790944U CN 201720435140 U CN201720435140 U CN 201720435140U CN 206790944 U CN206790944 U CN 206790944U
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- roller
- air
- seed
- absolute pressure
- separating device
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Abstract
The utility model 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 and absolute pressure separating device, one end link negative-pressure gas of roller hollow shaft connects with drums inside, the other end links the inner aperture for sealing and being provided with link snap joint of barotropic gas and roller and connected with absolute pressure separating device by snap joint and plastic tube, and absolute pressure separating device contacts down and by rubber strip with inner wall of rotary drum.The utility model, 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.Using the device, have that simple in construction, overall efficiency is high, seeding uniformity it is good have advantage.
Description
Technical field
A kind of feed drum is the utility model is related to, refers in particular to the air-aspiration type precision seed-distributing tube that air-blowing is charged seed.
Background technology
China's agricultural area is larger, culturing and transplanting seedlings due to 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 the agricultural development in future, 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 using air-flow, planted clearly, take plant 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
Suction hole plate seedling growth seeder research and development mainly 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-have it is pelletized）, only take kind of air chamber and suction kind by changing
Pore structure parameter and aerodynamic parameter are the sowing seeds technology requirements that can not meet 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 is sowed mainly with artificial
Based on operation, low production efficiency, labor intensity is big, and recruitment cost is high, directly constrains mechanization seedling-raising technique and is applied to push away
Extensively, therefore there is an urgent need to research and develop popularization to 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 this utility model is to be to solve that existing pneumatic drum type feed mechanism for seed drums inside flow field is uneven to cause
Fill kind of a poor-performing easily cause broadcast leakage and a hole it is a variety of so as to cause uneven sowing even the problem of, the utility model provides a kind of
Simply, excellent in efficiency is sowed and air-aspiration type precision feed drum that the high air-blowing of uniformity is charged seed.
The purpose of this utility model can be reached with following technical scheme：The air-aspiration type precision feed drum that air-blowing is charged seed, its
It is characterised by：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 and absolute pressure separating device, roller hollow shaft
One end links negative-pressure gas and connected with drums inside, and the other end links barotropic gas and roller the inner seals and is provided with link quickly
The aperture of joint is connected with absolute pressure separating device by snap joint and plastic tube, and absolute pressure separating device down and passes through rubber strip
Contacted with inner wall of rotary drum；For the utility model using principle is blown in interior suction, drums inside space is divided into malleation by absolute pressure separating device
With two sealing areas of negative pressure, negative pressuren zone adsorbs seed in the conical through-hole on cylinder wall, and then roller revolves with seed
When going to barotropic field, barotropic gas of the seed in absolute pressure separating device blows off under blowing from conical through-hole.
As a kind of preferable 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 preferable 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 preferable 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 are more than the size of seed.
As a kind of preferable 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 preferable scheme, there are inside and outside two positioning boss at the roller hollow shaft both ends, and the roller is hollow
Axle is fixedly mounted in frame by iron hoop.
As a kind of preferable 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 preferable scheme, the absolute pressure separating device bottom is connect by rubber strip and inner wall of rotary drum sealing
Touch.
Implement the utility model, have the advantages that：1st, the utility model is to start first in drum functions
Motor driven roller turns, then inputs malleation and negative-pressure gas from roller hollow shaft both ends, is made by absolute pressure separating device in roller
Portion space forms barotropic field and negative pressure region, the negative pressure of drums inside when the conical through-hole on roller rotates to plants case discharging opening
Seed is adsorbed and is stuck on roller conical through-hole by area, when then roller rotates to barotropic field with the seed of absorption, seed
Outwards uniformly blown out from conical through-hole under the blowing of barotropic gas in separating device, have it is simple in construction, overall efficiency is high, broadcast
Kind of uniformity it is good have advantage.
What the 2nd, the utility model solved that small granule seed is difficult to fall from roller conical through-hole under self gravitation asks
Topic.
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, ensure that the uniformity inhaled kind and blow kind.
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 by rubber strip and inner wall of rotary drum flexible contact, reduces and inner wall of rotary drum
Frictional resistance, make roller rotate it is more steady.
Brief description of the drawings
Implement in order to illustrate more clearly of the utility model, use below required in implementation and description of the prior art
Accompanying drawing is simply introduced, and drawings in the following description are only some embodiments of the utility model, with reference to accompanying drawing and specifically real
Mode is applied to be described further the utility model.
Fig. 1 is the main sectional view for the air-aspiration type precision feed drum that the utility model air-blowing is charged seed.
Fig. 2 is the feed mechanism for seed main view that the air-aspiration type precision feed drum that the utility model air-blowing is charged seed is implemented on feed mechanism for seed
Figure.
Fig. 3 is the office for the feed mechanism for seed that the air-aspiration type precision feed drum that the utility model air-blowing is charged seed is implemented on feed mechanism for seed
Portion's top view.
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- are 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- plants case air inlets, 25- plants cases,
26- head sprockets, 27- motors, 28- drum shaft iron hoops, 29- pipe clamps, 30- kind separator for containers, 31- plants case bottom plate stomatas, 32- are 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,
Plants case 25, blower fan 18,21 and the roller 2 driven by motor 27, two section roller hollow shafts 1,9 are separated by suspension member 17 and absolute pressure
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 connects 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 plastic flexible pipe 15 convey barotropic gas, and absolute pressure separating device 12 down and passes 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, first when feed mechanism for seed works
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, plants case air inlet 24 is passed through barotropic gas.At work,
Seed in plants case 25 blows the surface that seed flows to roller, the negative pressure of drums inside by the plants case 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
The characteristics of domain 13 can equably be sowed away, have simple in construction, sowing efficiency high, and seeding uniformity is good.
Respectively there are two sealing rings 3 and the both ends of roller 2 with reference to the positive pressure roller hollow shaft 1 of figure 1 and the both 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 both ends of negative pressure roller hollow shaft 9 are designed with positioning boss
6, positive pressure roller hollow shaft 1 seals in the inside one end of roller 2 and is provided with the link through hole of snap joint 14, on absolute pressure separating device 12
Portion is provided with aperture and chain is connected to snap joint 14, positive pressure roller hollow shaft 1 and negative pressure roller hollow shaft 9 and hung down by two suspension members 17
Straight separating device 12 weld be linked together and the centerline parallel of the center line of two section roller hollow shafts and separating device 12 and
In the same plane, two snap joints 14 are connected by plastic flexible pipe 15 to realize conveying barotropic gas, and this is simple in construction, makes
The flow field of drums inside negative pressure region is more uniform, and rollers running is stable, ensure that the uniformity inhaled kind and blow kind.
With reference to the roller 2 of figure 1 formed using the processing and manufacturing of half-sectional formula, pass through pipe clamp 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, there is seal washer 6 at the bolt hole of drums inside, conical through-hole 4 is provided with 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.
It is fixed on reference to the plants case 25 of figure 3 by kind of box bracket 23 in frame 22, it is for adjusting that kind box bracket 23, which is provided with U-type groove,
Section plants case 25 and roller 2 take kind of an angle, plants case bottom plate have less than seed sizes through hole 31 and dredge kind of a wall 32, barotropic gas from
Plants case air inlet 24 inputs, then blows seed suspension from plants case bottom hole 31 and born to the surface of roller 2, drums inside
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, kind
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 the utility model preferred embodiment, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claims, still belong to what the utility model was covered
Scope.
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 the roller processed by half-sectional formula, are provided with conical through-hole on its roller, roller hollow shaft by suspension member with
Absolute pressure separating device is welded as a whole, and one end link negative-pressure gas of roller hollow shaft connects with drums inside, other end link
The inner aperture for sealing and being provided with link snap joint of barotropic gas and roller passes through snap joint and modeling with absolute pressure separating device
Expects pipe connects, and absolute pressure separating device contacts down and by rubber strip with inner wall of rotary drum.
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 that two halves roller is fixed together by pipe clamp 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 both 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 separates
Device bottom is in sealing contact with inner wall of rotary drum by rubber strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720435140.0U CN206790944U (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 |
|---|---|---|---|
| CN201720435140.0U CN206790944U (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 |
|---|---|
| CN206790944U true CN206790944U (en) | 2017-12-26 |
Family
ID=60733359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720435140.0U Expired - Fee Related CN206790944U (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) | CN206790944U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-04-24 CN CN201720435140.0U patent/CN206790944U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20190424 |