CN211353063U - Air chamber rotary type precision seed sowing device - Google Patents
Air chamber rotary type precision seed sowing device Download PDFInfo
- Publication number
- CN211353063U CN211353063U CN201922255855.XU CN201922255855U CN211353063U CN 211353063 U CN211353063 U CN 211353063U CN 201922255855 U CN201922255855 U CN 201922255855U CN 211353063 U CN211353063 U CN 211353063U
- Authority
- CN
- China
- Prior art keywords
- seed
- air chamber
- rear shell
- disc
- shell
- 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
Abstract
The utility model belongs to the technical field of agricultural machine, concretely relates to air chamber rotation type precision seed metering ware. An air chamber rotary type precision seed sowing device mainly comprises a seed sowing device rear shell 1, a bearing 2, a chain wheel 3, an air chamber rear shell 4, a sealing gasket 5, a seed sowing disk 6, a seed stirring disk 7, a seed sowing device front shell 8, an end cover 9 and an air blocking device 10. This seed metering ware air chamber 4 and seed metering dish 6 fixed connection, and through middle fixed mounting sealed pad 5, further strengthen the air chamber leakproofness to it indicates to arrange the hemisphere to stir kind on the kind of dish 7 to stir, reduces because of stirring the seed damage that kind leads to, improves seed adsorption stability. The utility model discloses compact structure, job stabilization, wind pressure require lowly.
Description
Technical Field
The utility model belongs to the technical field of agricultural machine, concretely relates to air chamber rotation type precision seed metering ware.
Background
The seeding operation is a key link in the agricultural production process, the seed sowing device is a core component of the seeding machine, and the performance of the seed sowing device directly influences the working performance of the seeding machine. At present, seed sowing devices can be divided into two types, namely mechanical type and pneumatic type, according to the working principle. The pneumatic seed sowing device has good universality, can meet the requirements of seeds with different sizes and plant spacing by replacing the seed sowing plate, and is widely applied to production in recent years.
The air-suction seed sowing device separates seeds from the seed box pneumatically, and the seeds are adsorbed and distributed on the seed sowing disc and then sown, so that the requirement on the sealing property of an air chamber is high. The traditional air-suction type seed sowing device has the advantages that the air chamber is arranged on the rear shell of the seed sowing disc, the seed sowing disc and the air chamber rotate relatively, the sealing effect of the air chamber is poor, the sealing performance of the air chamber is increased by arranging the sealing gasket between the air chamber and the seed sowing disc, but the seed sowing disc and the sealing gasket are continuously abraded during working, the requirement on air pressure is high, and the power consumption is high.
Disclosure of Invention
Air-suction type seed metering ware leakproofness requires highly to the background art, the problem of easy wearing and tearing between seed metering dish and the sealed point, the utility model discloses an air chamber rotation type precision seed metering ware has that the air chamber sealing performance is good, and the wind pressure requires low advantage.
In order to achieve the purpose, the utility model discloses the technical scheme who takes: an air chamber rotary type precision seed sowing device mainly comprises a seed sowing device rear shell 1, a bearing 2, a chain wheel 3, an air chamber rear shell 4, a sealing gasket 5, a seed sowing disk 6, a seed stirring disk 7, a seed sowing device front shell 8, an end cover 9 and an air blocking device 10.
The rear shell of the seed metering device mainly comprises a seed metering shaft 101, an air inlet 102, an end cover mounting hole 103, a seed metering device mounting hole 104, a rear shell connecting lug 105 and a seed metering disc mounting process hole 106.
The inner ring of the bearing 2 is arranged on the seeding shaft 101 of the seeding back shell, and the outer ring is arranged on the bearing seat 302 of the chain wheel 3, so that the free rotation of the chain wheel can be realized.
The air chamber rear shell mainly comprises a sealing gasket mounting groove 401, an air chamber mounting hole 402 and a seed plate mounting hole 403, and the air chamber rear shell 4 is fixedly connected with the chain wheel 3 through the air chamber mounting hole 402 and the threaded hole 301.
The sealing gasket 5 is circular and is arranged in a sealing gasket mounting groove 401 on the air chamber rear shell 4.
3 screws 601 are annularly arranged on the seed sowing plate 6; can be fixedly installed with the air chamber rear shell 4 through the air chamber installation hole 403; a plurality of seed holes 602 are arranged on the seed plate 6.
A plurality of seed stirring fingers 701 are annularly arranged on the seed stirring disc 7, the top of each seed stirring finger 701 is hemispherical, damage to seeds during seed stirring can be reduced, and the seed stirring disc 7 is fixedly connected with the seed discharging disc through a positioning hole 702 and a seed stirring disc mounting hole 603.
The air chamber rear shell 4 is fixedly connected with the seed sowing disk 6, an air chamber is formed between the air chamber rear shell 4 and the seed sowing disk 7, and the air chamber can rotate synchronously around the seed sowing shaft 101 under the driving of the chain wheel 3.
The front shell 8 of the seed metering device mainly comprises a seed chamber baffle 801, a seed scraping plate 802, a seed discharging port baffle 803, a seed discharging port 804, a seed discharging port 805, a seed box connecting flange 806, a feeding port 807 and a front shell connecting lug 808, wherein the seed box connecting flange 806 can be fixedly connected with a seed box.
The rear shell 1 of the seed metering device is fixedly connected with the front shell 8 of the seed metering device through a rear shell connecting lug 105 and a front shell connecting lug 808, and a seed chamber is formed among the front shell 8 of the seed metering device, a seed chamber baffle 801, a seed scraping plate 802 and a seed metering disc 6.
The air blocking device 10 is fixedly arranged on an elastic thin plate mounting groove 901, the end cover 9 and an end cover positioning hole 902 are fixedly connected with the end cover mounting hole 104 and the rear shell 1 of the seed metering device, and a certain gap is reserved between the end cover 9 and the rear shell 3 of the air chamber.
The gas blocking block 1002 corresponds to the seeding hole 602, and the seeding plate 6 is tightly matched.
Compared with the prior art, the utility model, have following advantage and beneficial effect.
(1) The air chamber is fixedly connected with the seed discharging disc through bolts, and the air chamber and the seed discharging disc synchronously rotate under the driving of the chain wheel, so that the abrasion between the seed discharging disc and the air chamber sealing gasket is avoided.
(2) An air chamber sealing gasket is arranged between the air chamber and the seed sowing plate, so that the air chamber sealing performance is enhanced.
(3) The seed stirring disc and the seed discharging disc synchronously rotate, so that the seed is prevented from being overhead, the adsorption stability of the seeds is improved, the seed stirring finger is hemispherical, and the damage to the seeds during seed stirring is reduced.
Drawings
FIG. 1 is a front view of a precision seed metering device with a rotary air chamber.
FIG. 2 is a right side view of the air chamber rotary precision seed metering device.
FIG. 3 is an exploded view of a rotary precision seed metering device with air chambers.
FIG. 4 is a schematic view of the back shell structure of the seed metering device.
FIG. 5 is a schematic view of a sprocket construction.
Fig. 6 is a schematic view of the structure of the rear shell of the air chamber.
FIG. 7 is a schematic view showing the structure of the air cell gasket.
FIG. 8 is a schematic view of a seed plate structure.
FIG. 9 is a schematic diagram of a structure of a seed stirring disk.
FIG. 10 is a schematic view of the front shell of the seed meter.
Fig. 11 is a schematic view of an end cap.
Fig. 12 is a schematic view of the choke device.
Wherein: 1-rear shell of seed sowing device; 101-a seed metering device shaft; 102-an air inlet; 103-end cover mounting holes; 104-a seed metering device mounting hole; 105-rear shell engaging lugs; 106-arranging a process hole on the seed plate; 2-a bearing; 3-a sprocket; 301-threaded hole; 302-a bearing seat; 4-air chamber back shell; 401-gasket mounting groove; 402-air chamber mounting holes; 403-seeding plate mounting holes; 5-air chamber sealing gasket; 6-seed sowing plate; 601-screws; 602-seed holes; 603-a seed stirring disc mounting hole; 7-seed stirring; 701-seed stirring fingers; 702-a positioning hole; 8-front shell of seed sowing device; 801-seed chamber baffle; 802-a doctor blade; 803-seed discharge port baffle; 804-seed guiding port; 805-seed-discharge opening; 806-tank connection flange; 807-a material inlet; 808-front shell engaging lugs; 9-end cap; 901-an elastic sheet mounting groove; 902-end cap locating holes; 10-a gas barrier device; 1001-elastic sheet; 1002-air blocking block.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 3, the air chamber rotary precision seed metering device mainly comprises a seed metering device rear shell 1, a bearing 2, a chain wheel 3, an air chamber rear shell 4, a sealing gasket 5, a seed metering disc 6, a seed stirring disc 7, a seed metering device front shell 8, an end cover 9 and an air blocking device 10.
As shown in fig. 4 and 5, the seed meter back shell mainly comprises a seed meter shaft 101, an air inlet 102, an end cover mounting hole 103 and a seed meter mounting hole 104; a rear shell connecting lug 105 and a seed plate mounting process hole 106.
The inner ring of the bearing 2 is arranged on the seeding shaft 101 of the seeding back shell, and the outer ring is arranged on the bearing seat 302 of the chain wheel 3, so that the free rotation of the chain wheel can be realized.
As shown in fig. 6 to 9, the air chamber rear shell mainly comprises a sealing gasket mounting groove 401, an air chamber mounting hole 402 and a seed plate mounting hole 403, and the air chamber rear shell 4 is fixedly connected with the sprocket 3 through the air chamber mounting hole 402 and the threaded hole 301; the air chamber sealing gasket 5 is annular and is arranged in a sealing gasket mounting groove 401 on the air chamber rear shell 4; 3 screws 601 are annularly arranged on the seed sowing plate 6; can be fixedly installed with the air chamber rear shell 4 through the air chamber installation hole 403; a plurality of seeding holes 602 are arranged on the seeding plate 6; the seed stirring disk 7 is fixedly connected with the seed discharging disk through the positioning hole 702 and the seed stirring disk mounting hole 603.
When the seed plate 6 is fixedly arranged on the air chamber rear shell 4, the screw 601 needs to be rotated to the position of the seed plate mounting technical hole 106 on the air chamber rear shell and is fastened by a nut.
A plurality of stirring seeds 701 are annularly arranged on the stirring seed tray 7, the top of each stirring seed 701 is hemispherical, and damage to seeds during stirring can be reduced.
The air chamber rear shell 4 is fixedly connected with the seed sowing disk 6, an air chamber is formed between the air chamber rear shell 4 and the seed sowing disk 7, and the air chamber can rotate synchronously around the seed sowing shaft 101 under the driving of the chain wheel 3.
As shown in fig. 10, the front shell 8 of the seed metering device mainly comprises a seed chamber baffle 801, a seed scraping plate 802, a seed discharging baffle 803, a seed discharging port 804, a seed discharging port 805, a seed box connecting flange 806, a feeding port 807 and a front shell connecting lug 808, wherein the seed box connecting flange 806 can be fixedly connected with a seed box.
The rear shell 1 of the seed metering device is fixedly connected with the front shell 8 of the seed metering device through a rear shell connecting lug 105 and a front shell connecting lug 808, and a seed chamber is formed among the front shell 8 of the seed metering device, a seed chamber baffle 801, a seed scraping plate 802 and a seed metering disc 6.
As shown in fig. 11 and 12, the air blocking device 10 is fixedly mounted on the elastic thin plate mounting groove 901, the cap 9 and the cap positioning hole 902 and the cap mounting hole 104 are fixedly connected with the seed-metering device back shell 1, and a certain gap is formed between the cap 9 and the air chamber back shell 3. The gas blocking block 1002 corresponds to the seeding hole 602, and the seeding plate 6 is tightly matched.
The utility model discloses a working process.
When the negative pressure type seed sowing device works, a seed sowing device is fixedly connected with a frame of the seeding machine through a seed sowing device mounting hole 104, seeds enter a seed chamber through a feeding port 807, a negative pressure fan air pipe is arranged on an air inlet 102, negative pressure is formed in the air chamber, and the seeds are adsorbed on the seed sowing hole 602 under the action of the negative pressure. The chain wheel 3 is driven by a chain to rotate to drive the air chamber rear shell 4, the seed discharging disc 6 and the seed stirring disc 7 to rotate together, and under the stirring action of the seed stirring fingers 701 on the seed stirring disc 7, the phenomenon that seeds in a seed chamber are overhead is avoided; meanwhile, the adsorbed seeds rotate along with the seed discharging disc 6, when the seeds rotate to the position of the air blocking block 1002, the negative pressure of the air chamber is blocked, the seeds fall into the seed discharging port 804 under the action of gravity, and the seeds which do not fall under the further action of the seed scraping plate 805 fall into the seed discharging port 804 from the seed discharging disc 6, so that the seed discharging operation is completed.
Claims (3)
1. The utility model provides an air chamber rotation type precision seed metering ware which characterized in that: the seed sowing device mainly comprises a seed sowing device rear shell (1), a bearing (2), a chain wheel (3), an air chamber rear shell (4), a sealing gasket (5), a seed sowing disk (6), a seed stirring disk (7), a seed sowing device front shell (8), an end cover (9) and an air blocking device (10);
the rear shell (1) of the seed metering device mainly comprises a seed metering shaft (101), an air inlet (102), an end cover mounting hole (103), a seed metering device mounting hole (104), a rear shell connecting lug (105) and a seed metering disc mounting process hole (106);
the inner ring of the bearing (2) is arranged on a seed metering device shaft (101) of a seed metering back shell, and the outer ring of the bearing (2) is arranged on a bearing seat (302) of the chain wheel (3) to realize the rotation of the chain wheel around the seed metering device shaft (101);
the air chamber rear shell (4) mainly comprises a sealing gasket mounting groove (401), an air chamber mounting hole (402) and a seed discharging disc mounting hole (403), and the air chamber rear shell (4) is fixedly connected with the chain wheel (3);
the sealing gasket (5) is annular and is arranged in a sealing gasket mounting groove (401) on the air chamber rear shell (4);
3 screws (601) are annularly arranged on the seed sowing plate (6) and fixedly mounted with the air chamber rear shell (4); a plurality of seeding holes (602) are arranged on the seeding plate (6);
the seed stirring disc (7) is fixedly connected with the seed discharging disc through a positioning hole (702) and a seed stirring disc mounting hole (603);
the air chamber rear shell (4) is fixedly connected with the seed metering disc (6), and an air chamber is formed between the air chamber rear shell (4) and the seed metering disc (6);
the front shell (8) of the seed metering device mainly comprises a seed chamber baffle (801), a seed scraping plate (802), a seed discharging baffle (803), a seed discharging port (804), a seed discharging port (805), a seed box connecting flange (806), a feeding port (807) and a front shell connecting lug (808), wherein the seed box connecting flange (806) can be fixedly connected with a seed box;
the rear shell (1) of the seed metering device is fixedly connected with the front shell (8) of the seed metering device through a rear shell connecting lug (105) and a front shell connecting lug (808), and a seed chamber is formed among the front shell (8) of the seed metering device, a seed chamber baffle plate (801), a seed scraping plate (802) and a seed metering disc (6);
the end cover (9) is fixedly connected with the seeding unit shaft (101), and a certain gap is reserved between the end cover (9) and the air chamber rear shell (4).
2. The air chamber rotary precision seed meter of claim 1, wherein: the rear shell (1) of the seeding unit is provided with a seeding plate mounting process hole (106) for mounting and dismounting the seeding plate.
3. The air chamber rotary precision seed meter of claim 1, wherein: a plurality of seed stirring fingers (701) are annularly arranged on the seed stirring disc (7), and the top of each seed stirring finger (701) is hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255855.XU CN211353063U (en) | 2019-12-16 | 2019-12-16 | Air chamber rotary type precision seed sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922255855.XU CN211353063U (en) | 2019-12-16 | 2019-12-16 | Air chamber rotary type precision seed sowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211353063U true CN211353063U (en) | 2020-08-28 |
Family
ID=72163246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922255855.XU Expired - Fee Related CN211353063U (en) | 2019-12-16 | 2019-12-16 | Air chamber rotary type precision seed sowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211353063U (en) |
-
2019
- 2019-12-16 CN CN201922255855.XU patent/CN211353063U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109937652B (en) | Double-row side-charging type precise hill-drop planter with selectable sowing quantity for rice | |
| CN110012709B (en) | Air-suction type garlic directional seed sowing device | |
| CN201081892Y (en) | Gas intaking seeding device of seeding machine | |
| CN107736112B (en) | Mechanical and pneumatic combined vegetable precision seed sowing device | |
| CN201323749Y (en) | Internal seed filling air-suction seed metering device | |
| CN211353063U (en) | Air chamber rotary type precision seed sowing device | |
| CN110800430A (en) | Air chamber rotary type precision seed sowing device | |
| CN107258165B (en) | One-chamber double-row air suction type seeder | |
| CN112930785B (en) | Pneumatic auxiliary hole type seed metering wheel | |
| CN210630205U (en) | Pneumatic and mechanical combined seed sowing device | |
| CN201430768Y (en) | Pneumatic seed feeding device | |
| CN110199633B (en) | Internal-charging air-suction type high-speed precision seed sowing device | |
| CN116491275A (en) | Air suction type precise seed metering device for single-grain precise seeding | |
| CN106211884A (en) | Synchronize low pressure circumference driven sucking precise seeder | |
| CN108934326A (en) | A kind of corn and soybean aspirated-air type universal seeding apparatus | |
| CN206042769U (en) | A kind of circumferential low pressure driven sucking precise seeder | |
| CN111919549B (en) | Pneumatic type slideway seed sowing device | |
| CN115299222A (en) | Rice hill-drop seed metering ware | |
| CN112449804A (en) | Single-double-grain adjustable air-suction cotton seed sowing device | |
| CN108848803B (en) | Air suction type and pneumatic type dual-purpose precision seed sowing device | |
| CN209234224U (en) | A kind of gas type combined seed-sowing mechanism of discharge plate and negative pressure chamber synchronous rotation | |
| CN110199632B (en) | Internal filling positive pressure combined seed sowing device | |
| CN219395501U (en) | Air sealing structure of disc fixing seat and circular suction seed metering disc of air suction seed metering device | |
| CN214676515U (en) | Corn roller type seed suction and seed discharge test bed | |
| CN214228857U (en) | Air suction type drum-type wheat seed sowing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200828 Termination date: 20211216 |