CN203675584U - Airflow disturbance precise seed-metering device - Google Patents
Airflow disturbance precise seed-metering device Download PDFInfo
- Publication number
- CN203675584U CN203675584U CN201320562140.9U CN201320562140U CN203675584U CN 203675584 U CN203675584 U CN 203675584U CN 201320562140 U CN201320562140 U CN 201320562140U CN 203675584 U CN203675584 U CN 203675584U
- Authority
- CN
- China
- Prior art keywords
- seed
- seeding unit
- plate
- metering device
- chamber
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sowing (AREA)
Abstract
The utility model relates to an airflow disturbance precise seed-metering device which is characterized by comprising a front cover of the seed-metering device, a bottom shell of the seed-metering device, a discharge plate, a seed cleaner, a discharge pipe and a seed baffle, wherein the front cover of the seed-metering device and the bottom shell of the seed-metering device are buckled together, the discharge plate is placed inside, an airtight plenum chamber is arranged in the front cover of the seed-metering device, an air inlet pipe is connected outside the plenum chamber, and the airflow flowing through the plenum chamber is divided into two parts which respectively provide airflows to a working cavity through a seed supporting mesh and an airflow adjusting plate mouth; the seed cleaner is a sawtooth-shaped thin plate arranged close to the discharge plate, and the distance from a sawtooth-shaped sawtooth to a seed filling hole can be adjusted through an eccentric shaft matched with the seed cleaner; the inlet end of the discharge pipe is an elbow, the orifice of which is close to the discharge plate with a small gap, the elbow in height and the rotary centre of the discharge plate are located on a same horizontal line, and a pressure relieving wheel corresponding to the inlet of the discharge pipe is arranged on the back of the discharge plate; the seed baffle is arranged close to a partition plate on the left side of a seed room, and the size of an opening between the seed baffle and the seed supporting mesh is adjusted through the seed baffle. The airflow disturbance precise seed-metering device disturbs the seed group by airflows uniformly and does not damage the seeds, and the seed group filling resistance is small, so that the aerial phenomenon can be avoided and the seed filling performance is reliable. The airflow disturbance precise seed-metering device is suitable for precision seeding of crops with great row spacing such as corns and soybeans.
Description
Technical field
The utility model relates to the seeding unit of agricultural mechanical field, particularly about a kind of flow perturbation formula precise seeder.
Background technology
Pneumatic precision seed sowing device superior performance, can adapt to high speed operation, and at home and abroad application is comparatively extensive at present.Pneumatic precision seed sowing device utilizes suction hole both sides draught head absorbed seed more, the spherical seed of class is comparatively adapted to, but fill kind of a poor effect in irregular shape kind of period of the day from 11 p.m. to 1 a.m such as broadcasting corn, reason is that this type of seed mobility is poor, moving resistance when seed departs from population is large, easily produces built on stilts phenomenon.In addition, in existing Pneumatic seeding apparatus, air-flow enters and fills kind of a chamber by population top, and air-flow has certain compaction to population, has further increased population moving resistance.In order to increase seed mobility, existing Pneumatic seeding apparatus great majority are all equipped with and stir kind of a device, as the seeding unit that the patent No. is 200510047055.9, stir kind of device and are generally fixed on seed plate, when work, rotate and stir population with seed plate.This utilization is stirred kind of a mode for device disturbance population low operating speed is relatively adapted to, but in the time of high speed operation, stirs kind of device larger to seed impact force, easily seed is caused to damage.Meanwhile, stir kind of device less and inhomogeneous to the range of disturbance of population, it is limited that population mobility promotes degree.
Utility model content
For the problems referred to above, the utility model aims to provide a kind of flow perturbation formula precise seeder that fills kind of a dependable performance, seed good fluidity, injuring-free seed, the operation of adaptation high speed.This seeding unit proposes a kind of novel air flow structure, and air-flow carries out disturbance to population when pressure reduction is provided, significantly improves seed mobility, fills kind of a superior performance, does not damage seed, adapts to high speed operation.
For achieving the above object, the utility model is taked following technical scheme: a kind of flow perturbation formula precise seeder, comprise seeding unit protecgulum, seeding unit drain pan, described seeding unit protecgulum forms a chamber together with being bolted on described seeding unit drain pan, is provided with seed plate, cleaning device, discharging tube, seed retaining plate in described chamber; Described seeding unit protecgulum is a circular open cavity, inside forms two chambers by multiple dividing plates, be respectively kind of chamber and plenum chamber, described kind of outside is provided with seed inlet, described plenum chamber is a confined space, outside is provided with air inlet pipe, and two ends, inner side have outlet, and described outlet is respectively equipped with holder kind of net and gas flow adjusting flange; Described seeding unit drain pan is a circular open cavity, inside is provided with ring-shaped step and is close to described seed plate, outside has arc air channel, and described air channel end is equipped with choke wheel, and described choke wheel central axis and the described seeding unit drain pan centre of gyration are in same level line position; Described seed plate is a smooth disk of thin wall, is circumferentially uniformly distributed some seed-filling holes, and centre has hexagon ring, fixes by a bolts at axle end and a power transmission shaft, and the described power transmission shaft other end is through the bearing being installed in described seeding unit drain pan, in order to connect power; Described cleaning device is zigzag thin plate, be close to described seed plate setting, one end is articulated with on the cleaning device bearing pin between described seeding unit protecgulum and described seeding unit drain pan, the other end has straight trough shape and plants clearly adjustment hole, described clear kind of adjustment hole coordinates with an eccentric shaft, described eccentric shaft one end is an eccentric cylinder, and described eccentric cylinder is arranged in described clear kind of adjustment hole; Described discharging tube arrival end is a bend pipe, and the mouth of pipe is close to described seed plate with little gap, position and the corresponding setting of described choke wheel; Described seed retaining plate is close to kind of the dividing plate setting in left side, chamber, and one end and seed retaining plate regulating handle are fixed, and described seed retaining plate regulating handle is fixed on a seed retaining plate holder, and described seed retaining plate holder is installed on described seeding unit protecgulum radial circumference.
Described air inlet pipe axis and described seeding unit front cover surface are 30 ° of angle settings, and described holder kind net and horizontal plane angle are between 20-30 °.
Described seeding unit protecgulum top circumference has two thin narrow breach, be respectively seed retaining plate handle entrance and cleaning device installing port, bottom circumference has two arc notch, be respectively discharging tube installing port and unload assorted mouthful, described discharging tube installing port place is fixed with discharging tube holder, described in unload assorted mouth and be provided with and unload assorted cover plate by its capping.
Described kind of chamber right side partition is fixed with separation net, and in order to the seed falling is clearly imported to described kind of chamber, described separation net is made up of web plate with holes.
Rotating shaft one end of described gas flow adjusting flange is fixed with gas flow-regulating handle through described seeding unit protecgulum, on described gas flow-regulating handle, has arc-shaped slot, fixes by the bolt pair being fixed on described seeding unit protecgulum relevant position.
Described eccentric shaft one end is fixed with and plants clearly regulating handle through described seeding unit protecgulum, and described clear kind of regulating handle surface has arc-shaped slot, fixes by the bolt pair being fixed on described seeding unit protecgulum relevant position.
Described seed retaining plate regulating handle has straight trough mouth, fixes by the bolt pair being fixed on described seed retaining plate holder.
The utility model is owing to adopting above technical scheme, it has following characteristics: the plenum chamber that 1, the utility model arranges in seeding unit protecgulum makes air-flow pass holder kind of net to enter below by population and fill kind of a chamber, population produces the motion of " boiling " shape under airflow function, seed mobility significantly rises, and fills kind stable and reliable for performance.2, the flow perturbation mode that the utility model adopts makes population motion evenly, does not damage seed, can control rough air size by the gas flow adjusting flange in plenum chamber, therefore can provide kind of the required optimum population state that fills for the seed of different material characteristic.3, the utility model adopts malleation air-flow to press attached seed, and whole filling in kind of chamber is malleation air-flow, and compared with air-suction seeding unit, sealing requirements is not strict, handling ease, and cost is low.4, the seed retaining plate in the utility model, perpendicular to seed plate plane layout, therefore can ensure to drop on holder kind of online kind layer thickness uniformity.5, the cleaning device that the utility model adopts utilizes eccentric shaft to coordinate and regulate with straight trough mouth, and regulative mode novelty is simple to operate, takes up room little.The utility model proposes a kind of novel air flow structure, utilize flow perturbation population, disturbance evenly and injuring-free seed, significantly improve seed mobility, fill kind of a superior performance, adapt to high speed operation, structural design is ingenious, manufacturing process is simple, can be widely used in the precision drilling of the large spacing in the rows crop such as corn, soybean, sunflower.
Brief description of the drawings
Fig. 1 is that the utility model overall structure master looks schematic diagram
Fig. 2 is the A-A generalized section of Fig. 1
Fig. 3 is the utility model overall structure schematic rear view
Fig. 4 is that the axle of seeding unit protecgulum is surveyed view
Fig. 5 is the decomposing schematic representation of the each parts of cleaning device
Fig. 6 is the utility model overall structure decomposing schematic representation
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.
As shown in Fig. 1～6, the utility model comprises seeding unit protecgulum 1, seeding unit drain pan 2, seed plate 3, cleaning device 4, discharging tube 5, seed retaining plate 6, unloads assorted mouthful 7.Seeding unit protecgulum 1 is buckled together and is formed a chamber by bolt card with seeding unit drain pan 2, and seed plate 3, cleaning device 4, discharging tube 5, seed retaining plate 6 are installed in chamber, unloads assorted mouthful 7 and is positioned at seeding unit protecgulum 1 bottom.
Seeding unit drain pan 2 is a circular open cavity, inside is provided with ring-shaped step and is close to seed plate 3, outside has 3 arc air channels 21, air channel 21 ends that are positioned at discharging tube 5 one sides are equipped with choke wheel 22, and choke is taken turns the centre of gyration of 22 central axis and seeding unit drain pan 2 in same level line position.
Discharging tube 5 arrival ends are a bend pipe, and the mouth of pipe is with little gap near seed plate 3, and position and choke are taken turns 22 corresponding settings.It is discharging tube installing port 52 that seeding unit protecgulum 1 lower circumference has arc notch, and this indentation, there is provided with discharging tube holder 51 by its covering.Discharging tube 5 lower ends are passed discharging tube installing port 52, discharging tube holder 51 successively, and are withstood on discharging tube holder 51 by bolt.
Unloading assorted mouthful 7 is an arc incision, is positioned at the below of air chamber 11, is coated with and unloads assorted cover plate 71 on it.Unload assorted cover plate 71 one end and be articulated with on seeding unit protecgulum 1, on jointed shaft, be provided with wind spring and compressed.
The course of work of the present utility model is as follows:
1) seed of planting in case enters kind of chamber 11 by seed inlet 12 and is slipped on holder kind of net 15, forms the kind layer of even thickness under the effect of seed retaining plate 6.The positive pressure gas stream being provided by blower fan enters plenum chamber 14 by air inlet pipe 13, air-flow in plenum chamber 14 is divided into two parts and enters work chamber, a part is planted net 15 through holder and is spread superincumbent kind layer and enters chamber, and another part enters chamber by the mouth that opens between gas flow adjusting flange 16 and plenum chamber 14.Seed on holder kind of net 15 produces homogeneous perturbation under airflow function, is " boiling " shape, meanwhile, can change it open size by rotation gas flow adjusting flange 16, and then regulate the throughput through holder kind of net 15, to obtain mild suitable Population status.Owing to being full of malleation air-flow in work chamber, air channel 21 communicates seeding unit drain pan 2 inner chambers with atmosphere simultaneously, the inside and outside draught head that produces of seed-filling hole 31, and along with the rotation of seed plate 3, the seed on holder kind of net 15 is attached on seed-filling hole 31 by pressure, completes and fills kind.
2) seed is rotated further with seed plate 3, in the time arriving cleaning device 4 place, attached many seeds of the interior pressure of seed-filling hole 31 are under the repeatedly impetus of cleaning device 4, poised state is broken, the seed being in a disadvantageous position departs from seed-filling hole 31, again the holder that falls is back planted net 15 or is planted chamber 11, ensures that each seed-filling hole only has a seed.
3) seed is rotated further near horizontal level with seed plate 3, arrive the entrance of discharging tube 6, the pinch roller 22 that unloads being installed on seeding unit drain pan 2 stops up seed-filling hole 31, draught head disappears, seed is no longer subject to pressing attached power and is blown into discharging tube 6, and be transported to plough under airflow function, and finally fall into the kind ditch of holding successfully, complete simple grain seeding.
Above embodiment is only unrestricted in order to the technical solution of the utility model to be described; wherein the structure of each parts and connected mode all can change to some extent; all equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (7)
1. a flow perturbation formula precise seeder, it is characterized in that: comprise seeding unit protecgulum, seeding unit drain pan, described seeding unit protecgulum forms a chamber together with being bolted on described seeding unit drain pan, is provided with seed plate, cleaning device, discharging tube, seed retaining plate in described chamber;
Described seeding unit protecgulum is a circular open cavity, inside forms two chambers by multiple dividing plates, be respectively kind of chamber and plenum chamber, described kind of outside is provided with seed inlet, described plenum chamber is a confined space, outside is provided with air inlet pipe, and two ends, inner side have outlet, and described outlet is respectively equipped with holder kind of net and gas flow adjusting flange;
Described seeding unit drain pan is a circular open cavity, inside is provided with ring-shaped step and is close to described seed plate, outside has arc air channel, and described air channel end is equipped with choke wheel, and described choke wheel central axis and the described seeding unit drain pan centre of gyration are in same level line position;
Described seed plate is a smooth disk of thin wall, is circumferentially uniformly distributed some seed-filling holes, and centre has hexagon ring, fixes by bolts at axle end and a power transmission shaft, and the described power transmission shaft other end is through the bearing being installed in described seeding unit drain pan, in order to connect power;
Described cleaning device is zigzag thin plate, be close to described seed plate setting, one end is articulated with on the cleaning device bearing pin between described seeding unit protecgulum and described seeding unit drain pan, the other end has straight trough shape and plants clearly adjustment hole, described clear kind of adjustment hole coordinates with an eccentric shaft, described eccentric shaft one end is an eccentric cylinder, and described eccentric cylinder is arranged in described clear kind of adjustment hole;
Described discharging tube arrival end is a bend pipe, and the mouth of pipe is close to described seed plate with little gap, position and the corresponding setting of described choke wheel;
Described seed retaining plate is close to kind of the dividing plate setting in left side, chamber, and one end and seed retaining plate regulating handle are fixed, and described seed retaining plate regulating handle is fixed on a seed retaining plate holder, and described seed retaining plate holder is installed on described seeding unit protecgulum radial circumference.
2. flow perturbation formula precise seeder as claimed in claim 1, is characterized in that: described air inlet pipe axis and described seeding unit front cover surface are 30 ° of angle settings, and described holder kind net and horizontal plane angle are between 20-30 °.
3. flow perturbation formula precise seeder as claimed in claim 1 or 2, it is characterized in that: described seeding unit protecgulum top circumference has two thin narrow breach, be respectively seed retaining plate handle entrance and cleaning device installing port, bottom circumference has two arc notch, be respectively discharging tube installing port and unload assorted mouthful, described discharging tube installing port place is fixed with discharging tube holder, described in unload assorted mouth and be provided with and unload assorted cover plate by its capping.
4. flow perturbation formula precise seeder as claimed in claim 1, is characterized in that: described kind of chamber right side partition is fixed with separation net, and in order to the seed falling is clearly imported to described kind of chamber, described separation net is made up of web plate with holes.
5. flow perturbation formula precise seeder as claimed in claim 1 or 2, it is characterized in that: rotating shaft one end of described gas flow adjusting flange is fixed with gas flow-regulating handle through described seeding unit protecgulum, on described gas flow-regulating handle, have arc-shaped slot, fix by the bolt pair being fixed on described seeding unit protecgulum relevant position.
6. flow perturbation formula precise seeder as claimed in claim 1, it is characterized in that: described eccentric shaft one end is fixed with and plants clearly regulating handle through described seeding unit protecgulum, described clear kind of regulating handle surface has arc-shaped slot, fixes by the bolt pair being fixed on described seeding unit protecgulum relevant position.
7. flow perturbation formula precise seeder as claimed in claim 1, is characterized in that: described seed retaining plate regulating handle has straight trough mouth, fixes by the bolt pair being fixed on described seed retaining plate holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562140.9U CN203675584U (en) | 2013-09-11 | 2013-09-11 | Airflow disturbance precise seed-metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320562140.9U CN203675584U (en) | 2013-09-11 | 2013-09-11 | Airflow disturbance precise seed-metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203675584U true CN203675584U (en) | 2014-07-02 |
Family
ID=50997573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320562140.9U Expired - Fee Related CN203675584U (en) | 2013-09-11 | 2013-09-11 | Airflow disturbance precise seed-metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203675584U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103503612A (en) * | 2013-09-11 | 2014-01-15 | 中国农业大学 | Airflow disturbance precision seed sowing device |
| CN106258110A (en) * | 2016-09-06 | 2017-01-04 | 中国农业大学 | Valve adjustable air-flow auxiliary seed-filling, seeding internal feed type seeder and control method |
| CN106416536A (en) * | 2016-10-13 | 2017-02-22 | 安徽农业大学 | Chute and suction hole combined type precision seed-metering device |
| CN108450092A (en) * | 2018-02-02 | 2018-08-28 | 廖应良 | Air-suction type precise seed taking device |
| CN108811625A (en) * | 2018-06-26 | 2018-11-16 | 安徽农业大学 | A kind of slot tooth combined type discharge plate for spherical small-sized seed high speed seeding |
| CN109863863A (en) * | 2019-04-03 | 2019-06-11 | 山东理工大学 | A kind of positive/negative-pressure combined type precise seeder |
| CN113366954A (en) * | 2021-05-27 | 2021-09-10 | 安徽农业大学 | Seed disturbing tooth auxiliary pneumatic garlic seed sowing device and seed sowing method |
| CN113545189A (en) * | 2021-08-16 | 2021-10-26 | 黑龙江北大荒众荣农机有限公司 | Electric control double-seedling air-carrying type precision seeding monomer |
-
2013
- 2013-09-11 CN CN201320562140.9U patent/CN203675584U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103503612A (en) * | 2013-09-11 | 2014-01-15 | 中国农业大学 | Airflow disturbance precision seed sowing device |
| CN106258110A (en) * | 2016-09-06 | 2017-01-04 | 中国农业大学 | Valve adjustable air-flow auxiliary seed-filling, seeding internal feed type seeder and control method |
| CN106258110B (en) * | 2016-09-06 | 2018-10-23 | 中国农业大学 | The adjustable air-flow auxiliary seed-filling of gas nozzle, seeding internal feed type seeder and adjusting method |
| CN106416536A (en) * | 2016-10-13 | 2017-02-22 | 安徽农业大学 | Chute and suction hole combined type precision seed-metering device |
| CN108450092A (en) * | 2018-02-02 | 2018-08-28 | 廖应良 | Air-suction type precise seed taking device |
| CN108450092B (en) * | 2018-02-02 | 2023-12-15 | 廖应良 | Air suction type precise seed taking device |
| CN108811625A (en) * | 2018-06-26 | 2018-11-16 | 安徽农业大学 | A kind of slot tooth combined type discharge plate for spherical small-sized seed high speed seeding |
| CN108811625B (en) * | 2018-06-26 | 2021-07-06 | 安徽农业大学 | Groove-tooth combined seed-metering disc for high-speed metering of spherical small-sized seeds |
| CN109863863A (en) * | 2019-04-03 | 2019-06-11 | 山东理工大学 | A kind of positive/negative-pressure combined type precise seeder |
| CN109863863B (en) * | 2019-04-03 | 2023-12-22 | 山东理工大学 | Positive and negative pressure combined type precise seed metering device |
| CN113366954A (en) * | 2021-05-27 | 2021-09-10 | 安徽农业大学 | Seed disturbing tooth auxiliary pneumatic garlic seed sowing device and seed sowing method |
| CN113545189A (en) * | 2021-08-16 | 2021-10-26 | 黑龙江北大荒众荣农机有限公司 | Electric control double-seedling air-carrying type precision seeding monomer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203675584U (en) | Airflow disturbance precise seed-metering device | |
| CN103503612A (en) | Airflow disturbance precision seed sowing device | |
| CN204157264U (en) | Pneumatic type sowing metering system | |
| CN106612772B (en) | Air-suction type vegetable precision seed sowing device | |
| Guozhong et al. | Design and indoor simulated experiment of pneumatic rice seed metering device | |
| CN103416136B (en) | Dual-cavity type pneumatic seed sowing device | |
| CN102804955B (en) | Air suction type precision seeding apparatus | |
| CN103329666B (en) | Push rod-mixing disc combination type bidirectional pneumatic precise seed sowing device for rice bud seed direct sowing | |
| CN203261689U (en) | Air-suction rotary drum type small-size-seed sowing device | |
| CN205987723U (en) | Aspirated-air type electric seed sowing mechanism | |
| CN114271077A (en) | Positive and negative pressure combined type soybean precision seed sowing device | |
| CN105359685A (en) | Pneumatic planter uniform low-loss gas path system, and gas distribution method | |
| CN108633410B (en) | Pneumatic bucket wheel combined seed metering device for detoxified miniature potatoes | |
| CN203194129U (en) | Double-chamber type pneumatic seed sowing device | |
| CN2824536Y (en) | Air current delivered seed-sowing apparatus | |
| CN1836481A (en) | Double-disc air-suction type precision seed sowing device | |
| CN201947630U (en) | Spray type seed sowing mechanism | |
| CN203968638U (en) | Pneumatic type can be expanded combination precision planter | |
| CN206923268U (en) | The adjustable Pneumatic seeding apparatus of one kind amount of broadcasting | |
| CN205454540U (en) | Seed metering ware is concentrated to seeder | |
| CN205161098U (en) | Vapour -pressure type seeder is low gas circuit system of decreasing evenly | |
| CN112106488A (en) | Air-suction special-shaped hole wheel type precision seed sowing device | |
| CN202095281U (en) | Centrifugal sowing mechanism | |
| CN203537803U (en) | Peripheral slit air-suction seed sowing device | |
| CN211792846U (en) | Similar-ball type small-particle-size vegetable seed seeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20140911 |
|
| EXPY | Termination of patent right or utility model |