CN103988616A - Seed division head, rotary seed division mechanism and seed-metering device - Google Patents
Seed division head, rotary seed division mechanism and seed-metering device Download PDFInfo
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- CN103988616A CN103988616A CN201410237295.4A CN201410237295A CN103988616A CN 103988616 A CN103988616 A CN 103988616A CN 201410237295 A CN201410237295 A CN 201410237295A CN 103988616 A CN103988616 A CN 103988616A
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Abstract
The invention relates to a seed division head, a rotary seed division mechanism and a seed-metering device and aims to solve the technical problem that the conventional seeder is non-uniform in seed division and high in manufacturing cost. The seed division head comprises a base tray, and two fan-shaped lugs which are arranged on the base tray and form point symmetry by taking the center of a circle of the base tray as the center; the rotary seed division mechanism comprises a seed division head bracket, and a transmission shaft which is correspondingly connected with the bottom of the seed division head bracket; the seed division head is arranged above the seed division head bracket; the seed-metering device comprises a seed-metering cover with a seed-metering port, a seed collection hopper which is correspondingly arranged above the seed-metering cover, a base which is correspondingly arranged below the seed-metering cover, and a bearing which is fixedly arranged on the base; the rotary seed division mechanism is arranged in the seed-metering cover; the seed division head bracket is correspondingly arranged on the bearing; and the transmission shaft is correspondingly arranged in the bearing. The seed division head has the advantages of uniform seed division, simple structure, low manufacturing cost and the like.
Description
Technical field
The present invention and a kind of technical field of seeders, relate in particular to a kind of for carrying out accurately dividing dividing head, rotation seed sorting mechanism and the seeding unit of planting on the drilling machine of community.
Background technology
Agri-scientific research personnel, carry out rearing new variety, stock breeding and carry out in the field trial processes such as kind contrast, cultivation, crop sowing is extremely important link.For the accuracy of guarantee test result, small plot experiment to Precise sowing require high, as need to regulation community area in evenly finish a certain amount of seed, and in same community in the ranks, row in sowing situation also require uniformity etc.Seeding unit is one of vitals on the drilling machine of community, and it plays vital impact to the uniformity of sowing in the ranks.The Main Function of seeding unit is to receive minute clock dial to dial lower crop seed, and carries out uniformly minute kind, makes to treat that sowing is distributed in each discharging tube below it uniformly.Thereby the quality of seeding unit quality, directly affects in the ranks the uniformity of planting seed, the uniformity of minizone seeding quantity.
The seeding unit adopting on current existing small plot experiment drilling machine is mostly to adopt sprocket wheel or bel-drivenn mode to divide to plant, if the patent No. is 201120394556.5 disclosed seeding units.Such seeding unit is in power transmission process, because belt, sprocket wheel exist larger speed error in transmission process, easily make its inner dividing head when work, while particularly working long hours, its rotating speed can not be consistent, cause minute kind inhomogeneous, and then have influence on accuracy, the reliability of community experimental result; Secondly, the dividing head of this type of seeding unit adopts the project organization of the irregularity of " bottom is dish, has circular on dish bottom " class mostly, and in actual production, above-mentioned irregularity structure is difficult for manufacturing, and the precision of its processing and manufacturing is difficult to hold, and causes its manufacturing cost high; And this type of dividing head divides and also exist larger minute kind of an error in kind of process in reality, the seeding quantity in causing is in the ranks inconsistent, finally affects accuracy, the reliability of community experiment; Moreover, this seeding unit be only applicable to such as the seed of size as wheat grain minute kind, for the larger seed of particle diameter (as soya bean etc.) or the less seed of particle diameter (as sesame etc.), all can not realize evenly minute kind, thereby its use occasion has significant limitation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, adapt to reality needs, a kind of dividing head, rotation seed sorting mechanism and seeding unit are provided, be intended to solve existing dividing head, rotation seed sorting mechanism and seeding unit divide kind inhomogeneous, manufacturing cost is higher, the applicable limited technical problem of seed category.
In order to realize object of the present invention, the technical solution adopted in the present invention is:
Design a kind of dividing head, comprise basal disc, also comprise being arranged on described basal disc and centered by the basal disc center of circle, forming point-symmetric two fan-shaped bumps, and the distance between described two fan-shaped bump two limits, summit is 10.0mm～30.0mm.
The arc-shaped side of described two fan-shaped bumps coincides with the circumferential edge of described basal disc.
The height of described two fan-shaped bumps or thickness are 15.0～20.0mm, and the fan-shaped central angle of described fan-shaped bump is 135 °～145 °.
On the center line of described basal disc, between two fan-shaped bumps, be provided with triangular prism, the height of described triangular prism is 3.0～8.0mm.
Design a kind of rotation seed sorting mechanism, comprise dividing head bracket, the corresponding power transmission shaft connecting in dividing head bracket bottom, above described dividing head bracket, above-mentioned dividing head is installed, and make this dividing head and described power transmission shaft central axis altogether.
On described two fan-shaped bumps, be respectively arranged with at least one fixing hole, described two fan-shaped bumps are fixed with described dividing head bracket after described fixing hole via bolt or screw, described bolt or screw are fixed in described fixing hole, and the upper surface of its upper end and described two fan-shaped bumps is in same plane.
Design again a kind of seeding unit, comprise that receiving funnex, correspondence that seeding cover, correspondence with sowing port is arranged at this seeding cover top are arranged at the base of described seeding cover below, are mounted on the bearing on this base; In described seeding cover, above-mentioned rotation seed sorting mechanism is installed; Described dividing head bracket correspondence is arranged on described bearing, and described power transmission shaft correspondence is arranged in described bearing.
Below metering-orifice in described receiving funnex, be provided with the annulus projection identical with this metering-orifice aperture, the height of described annulus projection is 5.0mm～15.0mm.
Power intake correspondence at described power transmission shaft is connected with buncher.
This seeding unit also comprises shaft coupling, and described buncher is via the connection corresponding to described power transmission shaft of this shaft coupling, and described buncher is conventional buncher, stepper motor or servomotor.
Beneficial effect of the present invention is:
Dividing head of the present invention can realize to seed accurately minute kind, each minute kind of amount error is in the ranks controlled between 0.5%～1%; While adopting buncher, can accurately control the rotating speed of dividing head simultaneously, and then can realize the seed of different size particles is realized accurately and divided and plant.
2. annulus projection is set below metering-orifice, and the eddy current that can avoid dividing head to produce when High Rotation Speed, better realizes granule, lightweight seed is realized to even minute kind.
Dividing head of the present invention, rotation seed sorting mechanism and seeding unit also have simple in structure, be easy to the advantages such as the manufacturing, convenient maintenance and replacement.
Accompanying drawing explanation
Fig. 1 is the outside primary structure schematic diagram of seeding unit of the present invention;
Fig. 2 is that seeding unit of the present invention is analysed and observe primary structure schematic diagram;
Fig. 3 is primary structure schematic diagram after rotation seed sorting mechanism in the present invention and floor installation;
Fig. 4 is the dividing head primary structure schematic diagram in the present invention;
The design sketch of Fig. 5 for adopting seeding unit of the present invention to carry out wheat cultivation simulated experiment.
In figure: 1. receiving funnex; 2. seeding cover; 3. sowing port; 4. annulus is protruding; 5. fan-shaped bump; 6. base; 7. bearing; 8. power transmission shaft; 9. triangular prism; 10. dividing head bracket; 11. screws; 12. metering-orifices; 13. basal discs; 14. fixing holes.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described:
Embodiment 1: a kind of dividing head, referring to Fig. 2 to Fig. 4, comprise basal disc 13, be arranged at and on basal disc 13 and centered by the basal disc center of circle, form point-symmetric two fan-shaped bumps 5, two described fan-shaped bumps 5 arrange in opposite directions along the center line of basal disc 13, and the arc-shaped side of two fan-shaped bumps coincides with the circumferential edge of described basal disc.And the distance between two limits, summit of two fan-shaped bumps is 20.0mm(or 10.0mm or 30.0mm).The height that two described fan-shaped bumps 5 protrude from described basal disc 13 is 15.0mm(or 20.0mm), and the fan-shaped central angle of two fan-shaped bumps is identical is 140 ° (between 135 °～145 °).On the center line of described basal disc 13, between two fan-shaped bumps, protrude and be provided with the triangular prism 9 of height between 3.0～8.0mm.
Embodiment 2: a kind of rotation seed sorting mechanism, referring to Fig. 2 to Fig. 4, comprises dividing head described in embodiment, is arranged at the dividing head bracket 10 of dividing head below, the corresponding power transmission shaft 8 connecting in dividing head bracket bottom; And this dividing head and the coaxial setting of described center transmission shaft, and on two fan-shaped bumps, be respectively provided with a fixing hole 14, two described fan-shaped bumps are fixing with dividing head bracket 10 through fixing hole 14 via screw 11, described screw 11 is fixed on fixing hole 14 when interior, the upper surface of its upper end and two fan-shaped bumps, at same plane, avoids the upper surface impact that screw protrudes two fan-shaped bumps to divide the accuracy of planting.
Embodiment 3: a kind of seeding unit, referring to Fig. 1 to Fig. 4, comprise that seeding cover 2, correspondence with six sowing ports 3 is arranged at seeding and overlaps receiving funnex 1, the correspondence of 2 tops and be arranged at the base 6 for rigid bearing 7 that 2 belows are overlapped in seeding, being arranged in the bearing 7 on base 6 of power transmission shaft 8, rotation seed sorting mechanism described in embodiment 2 is arranged at the inside of seeding cover 2, and above-mentioned dividing head bracket 10 correspondences are arranged on described bearing 7; The power intake of power transmission shaft 8 is via shaft coupling and the corresponding connection of conventional buncher (can select according to actual needs stepper motor or servomotor), and below the metering-orifice in receiving funnex 1 12, be provided with the annulus projection 4 identical with this metering-orifice 12 apertures, the height of this annulus projection is 5.0mm, and the eddy current that this annulus convex body can avoid lightweight seed to form because of dividing head High Rotation Speed causes seed to be difficult for the phenomenon of whereabouts.
Above-mentioned seeding unit divides kind of the course of work as follows:
Seed is entered in the seeding cover of below by receiving funnex 1, and then on the triangular prism of the dividing head in High Rotation Speed that drops, the seed falling is via the guiding of two fan-shaped bumps, and to minute kind of the mouth place uniformly dispersing of surrounding, and then the discharging tube below being entered by minute kind of mouth is inner.For the different seed of particle size, can be by regulating the rotating speed of buncher, to adapt to the uniformly dispersing of Different Weight or particle diameter seed.
Use is carried out respectively wheat, soya bean, rape seed sowing test with the drilling machine of seeding unit of the present invention, in order to check uniformity, the uniformity of seeding unit seeding, during test, with sack, from the discharging tube outlet of sowing port below, receive the seed of discharging, divide and broadcast a certain amount of seed, weigh respectively each bag of collected seed, result of the test is as follows:
(1) wheat seed sowing test (each 200 grams of wheat seeds), test repeats three times, and result is as shown in table 1 below.
Table 1 wheat cultivation result of the test
(2) soya bean planting seed test (each 200 grams of soya bean seeds), result of the test is as shown in table 2 below.
Table 2 soya bean sowing test result
(3) rape seed sowing test (each 200 grams of rape seeds), result of the test is as shown in table 3 below.
Table 3 rape seed result of the test
By above result of the test, can be found out:
1. the error between the seed weight that each sowing port is discharged is at 1～3g, and to sow sub weight substantially consistent for every row, and the uniformity of in the ranks sowing is significantly improved, and is conducive to improve accuracy and the reliability of community experimental result.
2. adopt seeding unit of the present invention, can sow minimum particle diameter seed (as rape seed), and the sowing uniformity being high, is to sow the seed of the minimum like this grain of rape and adopt the community drilling machine with conventional seeding unit; Simultaneously, also can realize the even sowing (as soya bean seed) to large grain, round shaped grain seed, and existing community drilling machine is with conventional seeding unit at large grain, the round shaped grain kind period of the day from 11 p.m. to 1 a.m such as sowing soya beans, cannot realize evenly and divide and plant and easily produce broadcast leakage, and the present invention has overcome these difficult problems, realize even sowing and the long control of accurate row of large seed, and avoided broadcast leakage.
In addition, use is alloted machine with the community of seeding unit of the present invention and on carpetweed, is carried out wheat cultivation constructed experiment, in seeding process, allow wheat seed enter in the discharging tube of below from sowing port, and then drop on carpetweed, observe in row, the situation of being scattered of seed in the ranks.Result of the test as shown in Figure 5, as can be seen from the figure, in the ranks, seed is scattered evenly in row, can guarantee the uniformity of sowing in row.As can be seen here, adopt that seeding unit of the present invention can accurately be realized in community quantitatively in the ranks, evenly sowing in row, its error is minimum, can meet the requirement of community experiment to Precise sowing completely.
What embodiments of the invention were announced is preferred embodiment, but is not limited to this, those of ordinary skill in the art; very easily, according to above-described embodiment, understand spirit of the present invention, and make different amplifications and variation; but only otherwise depart from spirit of the present invention, all in protection scope of the present invention.
Claims (10)
1. a dividing head, comprises basal disc, it is characterized in that: also comprise being arranged on described basal disc and centered by the basal disc center of circle, forming point-symmetric two fan-shaped bumps, and the distance between described two fan-shaped bump two limits, summit is 10.0mm～30.0mm.
2. dividing head as claimed in claim 1, is characterized in that: the arc-shaped side of described two fan-shaped bumps coincides with the circumferential edge of described basal disc.
3. dividing head as claimed in claim 1, is characterized in that: the height of described two fan-shaped bumps or thickness are 15.0～20.0mm, and the fan-shaped central angle of described fan-shaped bump is 135 °～145 °.
4. dividing head as claimed in claim 1, is characterized in that: on the center line of described basal disc, between two fan-shaped bumps, be provided with triangular prism, the height of described triangular prism is 3.0～8.0mm.
5. one kind is rotated seed sorting mechanism, comprise dividing head bracket, the corresponding power transmission shaft connecting in dividing head bracket bottom, it is characterized in that: above described dividing head bracket, dividing head claimed in claim 1 is installed, and makes this dividing head and described power transmission shaft central axis altogether.
6. rotation seed sorting mechanism as claimed in claim 5, it is characterized in that: on described two fan-shaped bumps, be respectively arranged with at least one fixing hole, described two fan-shaped bumps are fixed with described dividing head bracket after described fixing hole via bolt or screw, described bolt or screw are fixed in described fixing hole, and the upper surface of its upper end and described two fan-shaped bumps is in same plane.
7. a seeding unit, comprises that receiving funnex, correspondence that seeding cover, correspondence with sowing port is arranged at this seeding cover top are arranged at the base of described seeding cover below, are mounted on the bearing on this base; It is characterized in that: in described seeding cover, rotation seed sorting mechanism claimed in claim 5 is installed; Described dividing head bracket correspondence is arranged on described bearing, and described power transmission shaft correspondence is arranged in described bearing.
8. seeding unit as claimed in claim 7, is characterized in that: below the metering-orifice in described receiving funnex, be provided with the annulus projection matching with this metering-orifice aperture, the height of described annulus projection is 5.0mm～15.0mm.
9. seeding unit as claimed in claim 7, is characterized in that: the power intake at described power transmission shaft is provided with corresponding buncher.
10. seeding unit as claimed in claim 9, is characterized in that: this seeding unit also comprises shaft coupling, and described buncher is via the connection corresponding to described power transmission shaft of this shaft coupling; Described buncher is conventional buncher, stepper motor or servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237295.4A CN103988616A (en) | 2014-05-30 | 2014-05-30 | Seed division head, rotary seed division mechanism and seed-metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237295.4A CN103988616A (en) | 2014-05-30 | 2014-05-30 | Seed division head, rotary seed division mechanism and seed-metering device |
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| Publication Number | Publication Date |
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| CN103988616A true CN103988616A (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410237295.4A Pending CN103988616A (en) | 2014-05-30 | 2014-05-30 | Seed division head, rotary seed division mechanism and seed-metering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463077A (en) * | 2018-12-29 | 2019-03-15 | 南京农业大学 | Electrically controlled digital seeding fertilizer distributor |
| CN114097372A (en) * | 2021-12-21 | 2022-03-01 | 安徽农业大学 | Inverted cone column ring-type seed flow uniform distributor with sawtooth wave-shaped structure for directional acceleration |
Citations (10)
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|---|---|---|---|---|
| SE353999B (en) * | 1972-05-02 | 1973-02-26 | Vogel & Noot Landmasch | |
| DE8606403U1 (en) * | 1986-03-08 | 1987-10-08 | Amazonen-Werke H. Dreyer Gmbh & Co Kg, 4507 Hasbergen, De | |
| DE19533866A1 (en) * | 1995-09-13 | 1997-03-20 | Norti Maschinen & Handels Gmbh | Spreading strip for spreading fertiliser |
| EP0820689A1 (en) * | 1996-07-26 | 1998-01-28 | Sulky-Burel S.A. | Broadcaster for fertiliser or similar produce in grain |
| CN200938748Y (en) * | 2006-08-17 | 2007-08-29 | 陶振华 | Portable seeder |
| CN201381096Y (en) * | 2009-01-01 | 2010-01-13 | 杨鹏杰 | Multifunctional scattering machine |
| CN101904238A (en) * | 2010-08-09 | 2010-12-08 | 青岛农业大学 | Seed dividing head of planter |
| CN101953247A (en) * | 2010-08-09 | 2011-01-26 | 青岛农业大学 | Small field sower |
| CN202340409U (en) * | 2011-10-17 | 2012-07-25 | 中国农业大学 | Seed distributing head of pasture plot seed planter |
| CN203896709U (en) * | 2014-05-30 | 2014-10-29 | 李延民 | Seed distribution head, rotary seed distribution mechanism and seeding unit |
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2014
- 2014-05-30 CN CN201410237295.4A patent/CN103988616A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE353999B (en) * | 1972-05-02 | 1973-02-26 | Vogel & Noot Landmasch | |
| DE8606403U1 (en) * | 1986-03-08 | 1987-10-08 | Amazonen-Werke H. Dreyer Gmbh & Co Kg, 4507 Hasbergen, De | |
| DE19533866A1 (en) * | 1995-09-13 | 1997-03-20 | Norti Maschinen & Handels Gmbh | Spreading strip for spreading fertiliser |
| EP0820689A1 (en) * | 1996-07-26 | 1998-01-28 | Sulky-Burel S.A. | Broadcaster for fertiliser or similar produce in grain |
| CN200938748Y (en) * | 2006-08-17 | 2007-08-29 | 陶振华 | Portable seeder |
| CN201381096Y (en) * | 2009-01-01 | 2010-01-13 | 杨鹏杰 | Multifunctional scattering machine |
| CN101904238A (en) * | 2010-08-09 | 2010-12-08 | 青岛农业大学 | Seed dividing head of planter |
| CN101953247A (en) * | 2010-08-09 | 2011-01-26 | 青岛农业大学 | Small field sower |
| CN202340409U (en) * | 2011-10-17 | 2012-07-25 | 中国农业大学 | Seed distributing head of pasture plot seed planter |
| CN203896709U (en) * | 2014-05-30 | 2014-10-29 | 李延民 | Seed distribution head, rotary seed distribution mechanism and seeding unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463077A (en) * | 2018-12-29 | 2019-03-15 | 南京农业大学 | Electrically controlled digital seeding fertilizer distributor |
| CN114097372A (en) * | 2021-12-21 | 2022-03-01 | 安徽农业大学 | Inverted cone column ring-type seed flow uniform distributor with sawtooth wave-shaped structure for directional acceleration |
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Application publication date: 20140820 |