CN108934325A - Wheat air-suction seed-sowing device - Google Patents
Wheat air-suction seed-sowing device Download PDFInfo
- Publication number
- CN108934325A CN108934325A CN201810404697.7A CN201810404697A CN108934325A CN 108934325 A CN108934325 A CN 108934325A CN 201810404697 A CN201810404697 A CN 201810404697A CN 108934325 A CN108934325 A CN 108934325A
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- China
- Prior art keywords
- aspiration
- seed
- disk
- negative pressure
- wheat
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Classifications
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The present invention provides a kind of wheat air-suction seed-sowing devices, device rotation is set in rack, to form the seed of continuous simple grain, the wheat air-suction seed-sowing device includes the shaft formed by two semiaxis, each semiaxis lateral ends rotation is set in rack, and drives entire feed mechanism for seed to rotate under the action of external motive device.The wheat air-suction seed-sowing device further includes the aspiration unit being fixed between two-semiaxle inner opposite end, and aspiration unit includes the two pieces of aspiration disks formed because of fastening by aspiration chamber, and aspiration chamber passes through the negative pressure cavity being set at least one semiaxis and is connected with external negative pressure device.The aspiration slot for accommodating seed is provided on the excircle of ring aspiration unit, which is connected to through the gap between two aspiration disks with aspiration chamber.Wheat air-suction seed-sowing device of the invention, the air pressure of aspiration slot everywhere is uniform, so that sowing is more uniform, obtains using effect with preferable.
Description
Technical field
The present invention relates to implanted device technical field more particularly to a kind of wheat air-suction seed-sowing devices.
Background technique
The dispenser of traditional seeder is mostly outer groove wheel structure, and structure is simple, at low cost but due to its seeding
Pulsating nature adversely affects seeding uniformity, stability, influences the yield of crops.And air-suction seeding unit belongs to precision
Its equipment of seeding, sowing performance are far superior to mechanical seed sowing device, it, which has, saves kind, injuring-free seed, versatile, and sows
The high advantage of uniformity.
The main body of existing seed dropping mechanism is round tube made of two layers of nesting, and wherein inner tube is connected to negative pressure device, and
As the main shaft being erected in sowing rack.It is equipped with venthole on inner pipe, so that forming negative pressure state between inner tube and outer tube.
And outer tube is formed by multiple pipeline sections arranged side by side, and the gap for accommodating seed is formed between each pipeline section, by between inner and outer tubes
Negative pressure state is adsorbed on seed in gap.
The structure of two layers of round tube is to make to form negative pressure state between ectonexine round tube by the way that venthole is arranged on inner pipe,
It inevitably will cause that air pressure everywhere is uneven, influence the uniformity of seeding.And this kind of structure is also complex, to installation
It also makes troubles with maintenance.Meanwhile inner tube work long hours after have inevitable bending, which can make the feed mechanism for seed
Maintenance cost is excessively high, influences the service life of feed mechanism for seed, increases use cost.
Summary of the invention
In view of this, the present invention is directed to propose a kind of wheat air-suction seed-sowing device, can have more excellent seeding effect
Fruit and using effect.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of wheat air-suction seed-sowing device, rotation are set in the rack of seeder, and the wheat air-suction seed-sowing device includes:
Shaft is set to two semiaxis in the rack including one end rotation, in the inside of at least one two semiaxis
It is formed with the negative pressure cavity connecting with negative pressure device；
Aspiration unit is fixed between the other end of two semiaxis, and the aspiration unit includes being formed with because of fastening
Two pieces of aspiration disks of aspiration chamber；The aspiration chamber is connected to the negative pressure cavity；The outer peripheral surface of aspiration disk described in ring two is formed with gas
Bothrium, the aspiration slot and the aspiration chamber pass through the gap area between the two aspiration disks；
Seed scraping device is fixedly arranged in the rack, and the seed scraping device, which has to probe into the aspiration slot, scrapes kind of a piece.
Further, the two aspiration disks are arranged symmetrically, and each aspiration disk is annular in shape.
Further, on the opposite end face of each aspiration disk, the center of each aspiration disk of ring be evenly equipped with it is several convex
Block, the aspiration chamber are connected to the negative pressure cavity by the gap between the adjacent convex block.
Further, the convex block is uniformly distributed three of aspiration disk center described in ring, and each convex block difference is fan-shaped
Shape.
Further, chamfering is equipped on the outer peripheral surface of the two aspiration disks, in the edge of the aspiration slot.
Further, the aspiration unit is at least two arranged along the shaft axially spaced-apart, described in adjacent two
Be fixed with the internal shaft part for being formed with cavity between aspiration unit, the connected cavity interconnect and at least one end it is described
Cavity is connected with the negative pressure cavity.
Further, distinguish in one end that each semiaxis connects with the aspiration disk and the both ends of each shaft part
It is fixed with ring flange, the two aspiration disks of each aspiration unit and is connected to each two opposing end surface of aspiration unit
On the ring flange be fixed on together by wearing four bolt.
Further, correspond to each ring flange, supply the ring flange in being formed on the end face of each aspiration disk
Embedded embedding slot.
Compared with the prior art, wheat air-suction seed-sowing device of the present invention has the advantage that；
(1) wheat air-suction seed-sowing device of the present invention, makes respectively to fasten the aspiration chamber formed by two pieces of aspiration disks and passes through
Negative pressure cavity is connected to negative pressure device, and aspiration slot and aspiration chamber are by the gap area between aspiration disk, so that aspiration slot is everywhere
Air pressure is uniform, keeps sowing more uniform, and having relatively has more excellent seeding effect.Assembling between each part is relatively simple,
Also it is easy maintenance after damage parts, scrapping for entire seed dropping mechanism will not be led to because of the damage of some part, has more excellent
Good using effect.
(2) aspiration disk is arranged to annular in shape, easy to process and use.
(3) must be arranged by convex block makes to form complete, uniform gap between two aspiration disks, so that the pressure of aspiration slot everywhere
Power is uniform.
(4) it is uniform to be conducive to the intracavitary pressure everywhere of aspiration for the fan-shaped shape of convex block.
(5) chamfering is set in the edge of aspiration slot, aspiration slot is entered to seed and plays guiding role.
(6) multiple aspiration unit interval arrangements, can carry out multi-row seeding simultaneously, be conducive to improve sowing efficiency.
(7) by being arranged groove on aspiration disk, and installed by the combination of groove and ring flange, be conducive to negative pressure cavity with
The sealing that aspiration chamber is connected to cavity, to improve the suction to seed in the negative pressure device of equal-wattage.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the front view of wheat air-suction seed-sowing device described in the embodiment of the present invention；
Fig. 2 is the explosive view of wheat air-suction seed-sowing device isometric described in the embodiment of the present invention；
Fig. 3 is the cross-sectional view of aspiration unit described in the embodiment of the present invention；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is seed scraping device and aspiration unit matching schematic diagram in aspiration unit described in the embodiment of the present invention；
Fig. 6 is the structural schematic diagram described in the embodiment of the present invention with multiple aspiration unit wheat air-suction seed-sowing devices；
Description of symbols:
1- shaft, 11- semiaxis, 1101- negative pressure cavity, 111- semiaxis straightway, half shaft flange of 112-, 12- gear,
2- aspiration unit, 21- aspiration disk, 211- circular trough, 212- groove, 22- aspiration chamber, 23- aspiration slot, 24- seam
Gap, 25- convex block, 26- embedding slot,
3- seed scraping device, 31- scrape kind of a piece, 32- installation sheet,
4- shaft part.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The present embodiment is related to a kind of wheat air-suction seed-sowing device, and rotation is set in the rack of seeder, continuous to be formed
Single seed, as depicted in figs. 1 and 2, which includes the shaft 1 being made of two semiaxis 11, and
Aspiration unit 2 between two semiaxis 11 is set, further includes the seed scraping device 3 being fixed on the rack.
11 lateral ends of two-semiaxle, which rotate, to be set in rack, can be rotated under the drive of external motive device, and band
The dynamic aspiration unit 2 set between it rotates.In the present embodiment, the structure of two semiaxis 11 is identical, structure as shown in Fig. 2,
Include semiaxis straightway 111 and half shaft flange 112, and be equipped with through hole along the axle center of semiaxis 11, which can be with outside
Negative pressure device connects to form negative pressure cavity 1101.Certainly, due to only needing side semiaxis 11 to be connected with negative pressure device, therefore can also be only at it
In through hole is set on a semiaxis 11.But, it even if there are through hole in two sides, when in use, is not connect with negative pressure device
Side through hole can be blocked by the gear 12 being coupled with it, also not need additional closure part.But two sides semiaxis
11 structures are identical compared with 11 structure difference of two-semiaxle, since part category is reduced, thus are convenient for tissue processing and installation.
Aspiration unit 2 is connected between 112 sections of two halves shaft flange, is poised for battle arrangement and aspiration annular in shape including two
Disk 21.For ease of description, the opposite end face of two aspiration disks 21 is known as 21 inner side end of aspiration disk, another side end face is outboard end
Face.The structure of aspiration disk 21 on 21 inner side end of aspiration disk as shown in Fig. 2, be equipped with the recessed circular trough 211 in surface, the circle
Slot 211 forms aspiration chamber 22 as shown in Figure 3 by the fastening of two aspiration disks 21.The aspiration chamber 22 and negative pressure cavity 1101 connect
Logical, the aspiration chamber 22 is negative pressure state at work, to be attracted by the pairs of seed of negative pressure shape.It and is to make aspiration chamber 22 and negative pressure
Chamber 1101 is connected to, in the present embodiment, as shown in Fig. 2, being equipped at 21 center of aspiration disk through aspiration disk 21 and being connected to through hole
Through-hole.
Meanwhile the circumference of 21 inner side end of ring aspiration disk is equipped with as shown in Figure 4, the L-shaped groove 212 in section,
The groove 212 forms the aspiration slot 23 that can accommodate seed by the fastening of two aspiration disks 21.The negative pressure state of aspiration chamber 22
It can inhale in seed to aspiration slot 23, and be to enter convenient for seed in aspiration slot 23, the outer ledge of this implementation middle ring aspiration slot 23
It is additionally provided with the chamfering for playing guiding role.
To be connected to aspiration slot 23 with aspiration chamber 22, in this implementation, as shown in figure 4, in the two aspiration disks 21 mutually fastened
Between be installed with gap 24, which can make the pressure of aspiration slot 23 everywhere uniform.
And be to form above-mentioned gap 24, it can be on the opposite end face of each aspiration disk 21, the center arrangement of each aspiration disk 21 of ring
Several convex blocks 25 higher than 21 inner side end of aspiration disk, in the present embodiment, as shown in Fig. 2, the convex block 25 is that ring through-hole is uniformly distributed
Three, and in order to keep the pressure of atmospheric pressure cavity everywhere uniform, the fan-shaped arrangement of convex block 25 in this implementation.
In the present embodiment, the fixed form of semiaxis 11 and aspiration unit 2 is as shown in Fig. 2, in 21 end face outside of aspiration disk
The center point is equipped with the embedding slot 26 being embedded in for half shaft flange 112.It is equipped with the mounting hole across boss in 212 bottom of embedding slot,
Half shaft flange 112 is equipped with the via hole of corresponding mounting hole, to keep two-semiaxle 11 and two aspiration disks 21 fixed by bolt pair.Pass through
The embedded mode of half shaft flange 112 can effectively improve the sealing performance that aspiration chamber 22 is connected to negative pressure cavity 1101.It is also convenient for embedding
212 bottom of tankage setting gasket further increases sealing performance.
By above-mentioned setting, at work, negative pressure state is formed in aspiration chamber 22 by external negative pressure device, when aspiration list
Member 2 is when turning over the seed cabin being arranged on seeder, can make that seed is uniform, simple grain is adsorbed in aspiration slot 23.
To be detached from seed out of aspiration slot 23, the present embodiment is additionally provided with seed scraping device 3.The structure of the seed scraping device 3 such as Fig. 5 institute
Show, it is flaky, it is approximate with the width in gap 24.It includes probeing into scraping kind of piece 31 and extending to aspiration unit for gap 24
Installation sheet 32 outside 2.And 3 top edge of seed scraping device is arranged horizontal by approximate 45° angle, so that seed and aspiration unit 2 are de-
It is directed in the plough on seeder frame from and by seed.Meanwhile the lower edge of seed scraping device 3 extends to aspiration unit
2 bottom in the identical situation of negative pressure device pressure, increases 22 pairs of kinds of aspiration chamber to constitute the closure to partial gap 24
The suction of son.
Efficiency is sowed to improve.The wheat air-suction seed-sowing device of the present embodiment can be as shown in fig. 6, pass through the axis along shaft 1
The synchronous sowing of multirow is completed to the multiple aspiration units 2 of arranged for interval arranged side by side and seed scraping device 3.At this point, in two adjacent aspirations
It is fixed with shaft part between unit 2, and is provided with cavity on shaft part, so that the aspiration chamber 22 of each aspiration unit 2 is connected to.For convenient for
Installation is equipped with flange arrangement identical with half shaft flange 112 at the both ends of each shaft part, and using identical as half shaft flange 112
Mode and aspiration disk 21 it is fixed, details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of wheat air-suction seed-sowing device, rotation is set in the rack of seeder, it is characterised in that the wheat aspiration seeding
Device includes:
Shaft (1) is set to two semiaxis (11) in the rack including one end rotation, at least one two described semiaxis (11)
Inside be formed with the negative pressure cavity (1101) connecting with negative pressure device；
Aspiration unit (2) is fixed between the other end of two semiaxis (11), and the aspiration unit (2) includes due to fastening
It is formed with two pieces of aspiration disks (21) of aspiration chamber (22)；The aspiration chamber (22) is connected to the negative pressure cavity (1101)；Two institute of ring
The outer peripheral surface for stating aspiration disk (21) is formed with aspiration slot (23), and the aspiration slot (23) and the aspiration chamber (22) are by being set to two
Gap (24) connection between the aspiration disk (21)；
Seed scraping device (3), is fixedly arranged in the rack, and the seed scraping device (3), which has to probe into the gap (24), scrapes kind of a piece
(31)。
2. wheat air-suction seed-sowing device according to claim 1, it is characterised in that: the two symmetrical cloth of the aspiration disk (21)
It sets, and each aspiration disk (21) is annular in shape.
3. wheat air-suction seed-sowing device according to claim 1, it is characterised in that: opposite in each aspiration disk (21)
On end face, the center of each aspiration disk (21) of ring be evenly equipped with several convex blocks (25), the aspiration chamber (22) and the negative pressure cavity
(1101) pass through the gap connection between the adjacent convex block (25).
4. wheat air-suction seed-sowing device according to claim 3, it is characterised in that: the convex block (25) is aspiration described in ring
Uniformly distributed three in disk (21) center, and each convex block (25) fan-shaped shape respectively.
5. wheat air-suction seed-sowing device according to claim 1, it is characterised in that: in the periphery of the two aspiration disks (21)
Chamfering is equipped on face, in the edge of the aspiration slot (23).
6. wheat air-suction seed-sowing device according to any one of claims 1-5, it is characterised in that: the aspiration unit
(2) it is at least two arranged along the shaft (1) axially spaced-apart, is fixed with inside between the adjacent two aspiration unit (2)
It is formed with the shaft part of cavity, the connected cavity interconnects and the cavity of at least one end and the negative pressure cavity
(1101) it is connected.
7. wheat air-suction seed-sowing device according to claim 6, it is characterised in that: in each semiaxis (11) and the gas
The both ends of one end and each shaft part that sucker (21) connects have been respectively fixedly connected ring flange, and the two of each aspiration unit (2)
The aspiration disk (21) and the ring flange being connected on each (2) two opposing end surface of the aspiration unit are by wearing four
The bolt of person is fixed on together.
8. wheat air-suction seed-sowing device according to claim 7, it is characterised in that: correspond to each ring flange, in each
The embedding slot (26) being embedded in for the ring flange is formed on the end face of the aspiration disk (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404697.7A CN108934325A (en) | 2018-04-28 | 2018-04-28 | Wheat air-suction seed-sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404697.7A CN108934325A (en) | 2018-04-28 | 2018-04-28 | Wheat air-suction seed-sowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108934325A true CN108934325A (en) | 2018-12-07 |
Family
ID=64499576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404697.7A Pending CN108934325A (en) | 2018-04-28 | 2018-04-28 | Wheat air-suction seed-sowing device |
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| Country | Link |
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| CN (1) | CN108934325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506473A (en) * | 2019-08-18 | 2019-11-29 | 孙同梅 | A kind of transmission mechanism, seeding apparatus and type of seeding |
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| CN2652104Y (en) * | 2003-10-23 | 2004-11-03 | 瓦房店市精量播种机制造有限公司 | Air suction type precision sower |
| CN200956724Y (en) * | 2006-10-13 | 2007-10-10 | 华中农业大学 | Gas-flow style precisive rape seeder with photoelectric inspection |
| CN101491177A (en) * | 2008-12-16 | 2009-07-29 | 华中农业大学 | Positive and negative air-pressure combined seed-sowing mechanism air-chamber |
| CN103733782A (en) * | 2014-01-13 | 2014-04-23 | 河北农业大学 | Upside-down type circular tube pneumatic seed-metering device of precision planter |
| CN103843499A (en) * | 2012-12-03 | 2014-06-11 | 河北农业大学 | Disc air-aspiration type seed sowing device |
| CN206024451U (en) * | 2016-05-19 | 2017-03-22 | 华中农业大学 | Ditching profile modeling pneumatic vegetables precision planter |
| RU2618319C1 (en) * | 2016-03-14 | 2017-05-03 | Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) | Pneumatic seeding apparatus with remote control |
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2018
- 2018-04-28 CN CN201810404697.7A patent/CN108934325A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2652104Y (en) * | 2003-10-23 | 2004-11-03 | 瓦房店市精量播种机制造有限公司 | Air suction type precision sower |
| CN200956724Y (en) * | 2006-10-13 | 2007-10-10 | 华中农业大学 | Gas-flow style precisive rape seeder with photoelectric inspection |
| CN101491177A (en) * | 2008-12-16 | 2009-07-29 | 华中农业大学 | Positive and negative air-pressure combined seed-sowing mechanism air-chamber |
| CN103843499A (en) * | 2012-12-03 | 2014-06-11 | 河北农业大学 | Disc air-aspiration type seed sowing device |
| CN103733782A (en) * | 2014-01-13 | 2014-04-23 | 河北农业大学 | Upside-down type circular tube pneumatic seed-metering device of precision planter |
| RU2618319C1 (en) * | 2016-03-14 | 2017-05-03 | Федеральное государственное бюджетное научное учреждение "Федеральный научный агроинженерный центр ВИМ" (ФГБНУ ФНАЦ ВИМ) | Pneumatic seeding apparatus with remote control |
| CN206024451U (en) * | 2016-05-19 | 2017-03-22 | 华中农业大学 | Ditching profile modeling pneumatic vegetables precision planter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110506473A (en) * | 2019-08-18 | 2019-11-29 | 孙同梅 | A kind of transmission mechanism, seeding apparatus and type of seeding |
| CN110506473B (en) * | 2019-08-18 | 2024-03-29 | 孙同梅 | Transmission mechanism, seeding device and seeding method |
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Application publication date: 20181207 |
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