CN104303651A - Pneumatic seed protection type precision concentrated seeding device - Google Patents

Pneumatic seed protection type precision concentrated seeding device Download PDF

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Publication number
CN104303651A
CN104303651A CN201410483283.XA CN201410483283A CN104303651A CN 104303651 A CN104303651 A CN 104303651A CN 201410483283 A CN201410483283 A CN 201410483283A CN 104303651 A CN104303651 A CN 104303651A
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China
Prior art keywords
seed
protect
air cushion
air
seeder
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CN201410483283.XA
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Chinese (zh)
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CN104303651B (en
Inventor
廖庆喜
李兆东
廖宜涛
丁幼春
王磊
曹秀英
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Huazhong Agricultural University
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Huazhong Agricultural University
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Abstract

The invention discloses a pneumatic seed protection type precision concentrated seeding device, including a seed box, a seeding roller assembly and a seed divider provided with a seed discharge plug, a seed guide tube, a shunt tube, a seed clearing mouth, a protection room plate and a pressure nozzle. The seeding roller assembly is installed in the seed divider, the seed box and the seed divider are connected through a connecting plate, the inlet of the shunt tube is located in the seed box, and a seed protective air cushion is arranged between the protection room plate and the seeding roller assembly. The invention adopts the "inverted cone" or "inverted rectangular cone" shaped hole for facilitating seed picking, at the same time when shaped hole carrying seeds passes through the pneumatic seed protection zone, the seeds are not easy to embed into the shaped hole.

Description

Air pressure protects kind of a formula essence quantity set row device
Technical field
The present invention relates to agricultural seeder machinery equipment technical field, be specially a kind of air pressure and protect kind of a formula essence quantity set row device.
Background technology
The core component of seeding machinery is seeding unit, and the precise seeder used both at home and abroad at present is mainly divided into mechanical type and the large class of pneumatic type two.Mechanical seed sowing device has the advantages such as structure is simple, cost is lower, is widely used in the precision drilling of the crops such as soybean, paddy rice, wheat, but easily causes the breakage of seed, thus reduces seeding accuracy and stability.That air-suction seeding unit has is good to the adaptability of seed, seedling-damaging rate is low, functional reliability advantages of higher, be widely used in the sowing of the different-grain diameter crops such as cotton, corn, rape, but its mode mainly with seeding unit monomer permutation and combination realizes multi-row seeding, more complicated and the easily broken bar of complete machine transmission, add weight and the manufacturing cost of facility simultaneously, turn improve fault rate and the operating power consumption of facility.
Summary of the invention
The object of the invention is to provide a kind of structure simple and the air pressure that can improve seeding quality protects kind of a formula essence quantity set row device to overcome above-mentioned deficiency.
The present invention includes kind of a case, feed drum assembly and be provided with and unload kind of a plug, grain conductor, isocon, the seeder of planting mouth clearly, protecting room plate and air spout, described feed drum assembly is arranged in seeder, described kind of case is connected by connecting plate with seeder, the import of described isocon is positioned at kind of a case, described in protect to be provided with between room plate and feed drum assembly and protect kind of an air cushion.
Described feed drum assembly comprises cylinder body, two roller end covers and is positioned at the feed shaft of cylinder body, described two roller end covers are each passed through feed shaft and are arranged on cylinder body two ends, described cylinder body is provided with the nibs of multi-turn side's cone or rectangular cone in the circumferential direction, is equipped with straight mouth inside described two roller end covers.
The described inside and outside two sides of kind of air cushion of protecting is respectively equipped with and protects kind of air cushion outer groove and protect kind of an air cushion inner groove, described in protect kind of air cushion outer groove and the pad protected between kind of air cushion inner groove is provided with multiple pore.
Described protect room plate be provided with for the straight choma chamber protected kind of air cushion outer groove and coordinate, described straight choma chamber is provided with air spout connecting port.
The present invention has following beneficial effect:
1, adopt " side's cone " or " rectangular cone " nibs, be convenient to pick up seed, simultaneously when taking seed-bearing nibs through air pressure Hu Zhong district, seed not easily embeds in nibs;
2, employing is protected kind of air cushion and is protected kind of the percentage of damage that effectively can reduce seed, improves seeding quality;
3, little, the lighter weight of volume, power consumption is little, operating efficiency high energy realizes at a high speed, simple grain precision drilling.
4, modularized design, is convenient to dismounting, reliable operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the side structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation of feed drum assembly.
Fig. 4 is the structural representation of seeder.
Fig. 5 is nibs structural representation.
Fig. 6 is the structural representation of roller end cover.
Fig. 7 is the structural representation protecting kind of air cushion.
Fig. 8 is the structural representation protecting room plate.
Embodiment
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment: air pressure of the present invention protects kind of a formula essence quantity set row device, comprise kind of case 1, feed drum assembly 2 and be provided with and unload kind of a plug 11, grain conductor 8, isocon 9, the clear seeder 7 of planting mouth 13, protecting room plate 14 and air spout 16, isocon 9 is for seed flow in control kind of case 1 and keep filling kind of a face height in seeder 7.Described feed drum assembly 2 is arranged in seeder 7, described kind of case 1 is connected by connecting plate 10 with seeder 7, kind of case 1 is bolted on connecting plate 10, and the import of described isocon 9 is positioned at kind of case 1, described in protect to be provided with between room plate 14 and feed drum assembly 2 and protect kind of air cushion 15.
Described feed drum assembly 2 comprises cylinder body 18, two roller end covers 20 and is positioned at the feed shaft 5 of cylinder body 18, described two roller end covers 20 are each passed through feed shaft 5 and are arranged on cylinder body 18 two ends, described cylinder body 18 is provided with the nibs 19 of multi-turn side's cone or rectangular cone in the circumferential direction, is equipped with straight mouth 20a inside described two roller end covers 20.Feed shaft 5, roller end cover 20 connect into an entirety with cylinder body 18, different from traditional connecting mode, cylinder body 18 adopts Open architecture to design, for convenience of location, install and sealing, cylinder body 18 two ends are provided with the roller end cover 20 of straight mouth 20a, connect as one with feed shaft 5 inside being placed on 6 seeder 7 laid out in parallel, its object is to: one is the volume and the quality that reduce collection row device; Two is simplify collection row device interior, reduces fault rate; Three is the live operations for not same origin, facilitates the replacing of feed drum.When feed drum turns to Chong Zhong district, be convenient to pick up seed, it is for initiatively to fill kind, and seed is mainly pressed into nibs by the comprehensive function power such as population active force and friction by traditional " inverted cone " nibs, it is passive kind of filling, and especially when filling kind of face height and being lower, the comprehensive function power such as population active force and friction reduce thereupon, seed is difficult to be pressed into nibs, so that forms hole.
Described seeder 7 to comprise point kind of room 12, drum chamber 25 and goes out kind of room 26, seeder 7 is provided with and plants mouth connecting port 22, Hu Zhong district connecting port 23 clearly, grain conductor connecting port 24 and unload kind of mouth 27.Seeder 7 laid out in parallel is arranged on connecting plate 10 by bolt and stop nut, the assembly that feed drum 2 and feed shaft 5 are formed is placed in seeder 7 and combines, it is outside that seeding unit end cap 3 is fixed by screws in two ends seeder 7, grain conductor 8 by screw attachment bottom seeder 7, unload kind of a plug 11 and unloading kind of mouth 23 by thread connection, its object is to conveniently unload kind after operation completes.
The described inside and outside two sides of kind of air cushion 15 of protecting is respectively equipped with and protects kind of air cushion outer groove 28 and protect kind of an air cushion inner groove 30, described in protect kind of air cushion outer groove 28 and the pad protected between kind of air cushion inner groove 30 is provided with multiple pore 29.Protect kind of air cushion 15 to be made by non-electrostatic flexible material (EVA material), be placed in Hu Zhong district connecting port 23 inner, its planform is fan-shaped, according to need of production displacement different protect kind of air cushion 15.
Described protect room plate 14 be provided with for the straight choma chamber 33 protected kind of air cushion outer groove 28 and coordinate, described straight choma chamber 33 is provided with air spout connecting port 31.It is inner that straight choma chamber 33 is placed in Hu Zhong district connecting port 23, and with protect kind of air cushion outer groove 28 and form the atmospheric pressure cavity sealed, upper surface is combined with seeder 7 connected by clear mouth 13 of planting, and lower surface is fixed by screws on seeder 7, air spout 16 by thread connection on air spout connecting port 31.
The course of work of the present invention is:
Power source drives centrifugal fan to produce two-way blast: mouth 13 is planted to clear in a road, and another road is to air spout 16, power source drives the first drive sprocket 6A, first drive sprocket 6A drives feed shaft 5 to rotate, and the second drive sprocket 6B drives the work of fertile case upper sprocket wheel, and realization is planted, fertile interlock, for ensureing the work of feed shaft 5 stability, inside two drive sprocket 6A and 6B, place two rolling bearing units 4, the seed of planting in case 1 is filled with in point kind of the room 12 of seeder 7 via isocon 9 under gravity, " side's cone " on feed drum assembly 2 or " rectangular cone " nibs 19 are from pickup seed in point kind of room 12, take seed-bearing nibs 19 when clear kind mouth 13, seed unnecessary in nibs 19 blows out by the air-flow in clear kind of mouth 13, the seed of blowout slips into a point kind room 12 under the effect of gravity and strength, take seed-bearing nibs 19 when air spout 16, the air-flow of air spout 16 be filled with straight choma chamber 33 with protect kind of air cushion outer groove 28 formed and seal in atmospheric pressure cavity, air pressure in sealing atmospheric pressure cavity is filled with through equally distributed pore 29 and protects kind of an air cushion inner groove 30, and form stable pressure pad protecting in kind of air cushion inner groove 30, seed is protected in nibs 19 by pressure pad, take seed-bearing nibs 19 enter seeder 7 go out kind of room 26 time, air-flow cuts off, and the seed in nibs 19, under the acting in conjunction of gravity and centrifugal force, enters out kind of room 26 and discharges via grain conductor 8, completing seeding process.After operation completes, outward winding and unload kind of a plug 11, plant remaining seed in case 1 to draw off from unloading kind of mouth 27, wherein, clear kind of process and protect the air-flow that kind of process produces by centrifugal fan and complete, there is good clear kind and protect kind of an effect, effectively reduce the percentage of damage of seed, the precision drilling under high-speed job condition can be realized better.
Performance test is tested: take rape seed as research object, and kind of air pressure is 300Pa, clear air pressure of planting is 210Pa, clearly plants under mouth is 53 ° with acute angle folded by horizontal plane, to fill kind of height be the condition of 65mm protecting, and air pressure protects kind of formula collection, and to arrange device seed-metering performance as shown in table 1:
Table 1 strength protects kind of a formula collection row device seed-metering performance
The various embodiments described above are only and illustrate that the present invention is used; the embodiments such as each component structural of its present invention, connection are not by the restriction of the various embodiments described above; every amendment increasing and decreasing each parts or make each parts displacement, structure improvement or combined transformation etc. on technical solution of the present invention basis, all falls within the scope of protection of the present invention.

Claims (4)

1. an air pressure protects kind of a formula essence quantity set row device, comprise kind of a case (1), feed drum assembly (2) and being provided with unloads kind of a plug (11), grain conductor (8), isocon (9), clear kind of mouth (13), protect the seeder (7) of room plate (14) and air spout (16), described feed drum assembly (2) is arranged in seeder (7), described kind of case (1) is connected by connecting plate (10) with seeder (7), the import of described isocon (9) is positioned at kind of a case (1), protect described in it is characterized in that to be provided with between room plate (14) and feed drum assembly (2) and protect kind of an air cushion (15).
2. air pressure according to claim 1 protects kind of a formula essence quantity set row device, it is characterized in that described feed drum assembly (2) comprises cylinder body (18), two roller end covers (20) and be positioned at the feed shaft (5) of cylinder body (18), described two roller end covers (20) are each passed through feed shaft (5) and are arranged on cylinder body (18) two ends, described cylinder body (18) is provided with the nibs (19) of multi-turn side's cone or rectangular cone in the circumferential direction, described two roller end covers (20) inner side is equipped with straight mouth (20a).
3. air pressure according to claim 1 and 2 protects kind of a formula essence quantity set row device, protect kind of an air cushion (15) inside and outside two sides described in it is characterized in that to be respectively equipped with and to protect kind of air cushion outer groove (28) and protect kind of an air cushion inner groove (30), described in protect kind of air cushion outer groove (28) and the pad protected between kind of air cushion inner groove (30) is provided with multiple pore (29).
4. air pressure according to claim 1 and 2 protects kind of a formula essence quantity set row device, it is characterized in that described protect room plate (14) be provided with for the straight choma chamber (33) of protecting kind of air cushion outer groove (28) and coordinating, described straight choma chamber (33) is provided with air spout connecting port (31).
CN201410483283.XA 2014-09-19 2014-09-19 Air pressure protects kind of a formula essence quantity set row device Expired - Fee Related CN104303651B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105917814A (en) * 2016-05-18 2016-09-07 淮南市德飞机电设备制造有限公司 Vibrating seeding device
CN106508207A (en) * 2016-09-21 2017-03-22 华中农业大学 Air suction external seed filling type precise collecting and arranging device
CN108337959A (en) * 2018-01-10 2018-07-31 华中农业大学 American Ginseng strength pin type essence quantity set arranges device
CN108476667A (en) * 2018-05-28 2018-09-04 四川农业大学 Dispenser is concentrated in a kind of live streaming of Pneumatic type rice cave
CN110447354A (en) * 2019-09-06 2019-11-15 湖南农业大学 A kind of universal seed feeding method of machinery Pneumatic type
CN110447355A (en) * 2019-09-06 2019-11-15 湖南农业大学 A kind of universal dispenser of machinery Pneumatic type
CN114766156A (en) * 2022-03-24 2022-07-22 四川农业大学 Electrically driven air-conveying type precision concentrated fertilizer discharging system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101720588A (en) * 2009-11-27 2010-06-09 华中农业大学 Multi-row slot-hole-wheel-type precise rape seeding device
US20100307395A1 (en) * 2009-06-09 2010-12-09 Snipes Terry L Volumetric metering system with sectional shut-off
CN102612902A (en) * 2012-03-23 2012-08-01 中国农业大学 Seed-coat-removal preventing device for air-blowing type seeding apparatus
CN204231907U (en) * 2014-09-19 2015-04-01 华中农业大学 Air pressure protects kind of a formula essence quantity set row device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100307395A1 (en) * 2009-06-09 2010-12-09 Snipes Terry L Volumetric metering system with sectional shut-off
CN101720588A (en) * 2009-11-27 2010-06-09 华中农业大学 Multi-row slot-hole-wheel-type precise rape seeding device
CN102612902A (en) * 2012-03-23 2012-08-01 中国农业大学 Seed-coat-removal preventing device for air-blowing type seeding apparatus
CN204231907U (en) * 2014-09-19 2015-04-01 华中农业大学 Air pressure protects kind of a formula essence quantity set row device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105917814A (en) * 2016-05-18 2016-09-07 淮南市德飞机电设备制造有限公司 Vibrating seeding device
CN106508207A (en) * 2016-09-21 2017-03-22 华中农业大学 Air suction external seed filling type precise collecting and arranging device
CN108337959A (en) * 2018-01-10 2018-07-31 华中农业大学 American Ginseng strength pin type essence quantity set arranges device
CN108337959B (en) * 2018-01-10 2024-04-02 华中农业大学 American ginseng pneumatic needle precision collecting and discharging device
CN108476667A (en) * 2018-05-28 2018-09-04 四川农业大学 Dispenser is concentrated in a kind of live streaming of Pneumatic type rice cave
CN110447354A (en) * 2019-09-06 2019-11-15 湖南农业大学 A kind of universal seed feeding method of machinery Pneumatic type
CN110447355A (en) * 2019-09-06 2019-11-15 湖南农业大学 A kind of universal dispenser of machinery Pneumatic type
CN114766156A (en) * 2022-03-24 2022-07-22 四川农业大学 Electrically driven air-conveying type precision concentrated fertilizer discharging system

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Granted publication date: 20160511