CN202310545U - Pneumatic centralized seed sowing device - Google Patents
Pneumatic centralized seed sowing device Download PDFInfo
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- CN202310545U CN202310545U CN 201120446607 CN201120446607U CN202310545U CN 202310545 U CN202310545 U CN 202310545U CN 201120446607 CN201120446607 CN 201120446607 CN 201120446607 U CN201120446607 U CN 201120446607U CN 202310545 U CN202310545 U CN 202310545U
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- seed
- negative pressure
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- lower house
- upper shell
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Abstract
The utility model discloses a pneumatic centralized seed sowing device and aims to provide a pneumatic centralized seed sowing device which is convenient to maintain and adjust, has a simple structure and saves seed box space. The device comprises a lower shell, a negative pressure seed suction system and a seed sowing wheel, wherein the negative pressure seed suction system is installed on a base of the lower shell; the seed sowing wheel is supported and installed on the base of the lower shell in a horizontally rotating manner; an upper shell is arranged above the lower shell; a seed falling cone is fixedly installed on the upper shell; a seed guide cone is installed on the seed sowing wheel below the seed falling cone; the seed falling cone and the seed guide cone are arranged up and down in an equidistant manner to form a seed guide cavity; each seed separation hole is communicated with the seed guide cavity; a seed feeding chamber is arranged corresponding to each seed separation hole; the seed feeding chambers are clamped and fixed between intermediate seed separation bodies and the lower shell; and positive pressure holes on the intermediate seed separation bodies are respectively communicated with a positive pressure system arranged on the upper shell. The device is suitable for precision sowing operations of large sowers.
Description
Technical field
The utility model belongs to the seeding machinery in the agricultural machinery technological field, especially relates to a kind of pneumatic type and concentrates seeding unit.
Background technology
Along with the development of modernized big agriculture, in recent years, large-scale sower can be realized wide cut, efficient, accurate seeding operation, has obtained successful Application.Large-scale sower is realized the wide cut multi-row seeding, and the concentrated seeding unit that wherein satisfies large-scale sower performance design requirement is a major critical component.Both at home and abroad to satisfying the concentrated seeding unit that large-scale sower design performance requires; Also once designed more outstanding scheme; Such as, known a kind of pneumatic type is concentrated seeding unit, and this scheme is that concentrated seeding unit is arranged in the big volume kind case; Should concentrate the top of seeding unit that defeated kind of the device of strength spiral flow type is set; Fill kind of chamber to following air-sucking type seed wheel and supply kind, again through the air-sucking type seed wheel to each positive-pressure type discharging tube seeding, efficiently solve the technical barrier that large-scale multiplerow seeder is concentrated seeding and then cancelled a plurality of traditional planter simplified structure weight.But part still has some deficits: owing to concentrate seeding unit to be arranged in the big volume kind case; Should concentrate the top of seeding unit that defeated kind of the device of strength spiral flow type is set; Therefore take the big volume kind case useful space, be not easy to concentrate the maintenance adjustment of seeding unit, also increased the complexity of structure.
The utility model content
The purpose of the utility model is to the problems referred to above that exist, and a kind of concentrated seeding unit of a pneumatic type easy to adjust, simple in structure, saving kind of case space that keeps in repair is provided.
For realizing above-mentioned purpose; The utility model adopts following technical proposals: the Pneumatic type of the utility model is concentrated feed mechanism for seed; Comprise a lower house and negative pressure suction kind of a system that is installed on the lower house base; Circumferentially be uniformly distributed with the clear kind pipe that is installed on the lower house bottom; Should clearly plant under the pipe and connect seed spout; Can support the seed wheel that is installed on the lower house base, the outer rim of this seed wheel is uniformly distributed with and radially is provided with suction hole with horizontally rotating; This negative pressure is inhaled the negative pressure adapter that kind of system circumferentially is uniformly distributed with setting by negative-pressure air fan adapters, annular negative pressure chamber, along annular negative pressure chamber and is formed; Each negative pressure is taken over corresponding respectively and lower house bottom along the negative pressure hole UNICOM that circumferentially is uniformly distributed with setting; Be positioned on this negative pressure hole place annular center line sealing ring is set; Paste with the last plane of sealing ring mutually the bottom surface of this seed wheel; Sealing is equipped with and is uniformly distributed with long arc-shaped holes; Inhale kind of a zone when seed wheel rotates to be in, the long arc-shaped holes that each suction hole sees through on the sealing ring communicates with a negative pressure hole respectively.Upper shell is set above said lower house, and this upper shell is designed to drum, is fixed with kind of an awl on this upper shell; Be positioned to be equipped with on kind of the seed wheel of awl below and lead kind of an awl; This kind of awl that falls is designed to identical tapering with leading kind of an awl, and equidistantly disposes the formation seed-guiding cavity up and down, and kind of the mouth that falls is uniformly distributed along the circumference and is arranged on kind of an awl end; Make seeds fall along kind of the downward landing of awl of leading of rotating; Middle minute body along the circumferential direction is uniformly distributed with and is installed between this lower house and the upper shell, along the circumferential direction adjacently on each this centre minute body malleation hole, a radial skew vertically is set respectively a branch kind mouth is set, and each this branch kind mouth communicates with said seed-guiding cavity; Kind of a chamber is filled in kind of mouthful setting of corresponding each this branch; This fills kind of a chamber and clamps and be fixed between this centre minute body and the lower house, the malleation hole on each this centre minute body respectively be arranged on upper shell on positive pressure system communicate, the lower end in each this malleation hole communicates with each clear pipe of planting respectively.
Preferred version as the utility model; Said positive pressure system comprises positive pressure fan adapter, annular plemum, malleation air port; This annular plemum is arranged in the upper shell; The external positive pressure fan of this annular plemum is taken over, and this annular plemum is along circumferentially being laid with the malleation air port, each malleation air port respectively with each this centre minute body on the malleation hole communicate.
As the preferred version of the utility model, said malleation air port, middle minute body and malleation hole, clear quantity correspondence of planting pipe, grain tube are respectively 12; Said kind of the mouth that falls, divide kind mouthful, fill the quantity correspondence of kind of a chamber, negative pressure hole, negative pressure taking over and be respectively 12.
As the improvement of the utility model, in the lower horizontal of said lower house driving shaft is set, the end of this driving shaft is equipped with bevel pinion and is meshed with the bevel gear wheel of this seed wheel bottom.
As the further improvement of the utility model, fill kind indoor clear brush of planting that is provided with at each.
After adopting technique scheme, the beneficial effect that the pneumatic type that the utility model provides concentrates seeding unit to have is:
1. keep in repair easy to adjust.The utility model pneumatic type concentrates the upper shell of seeding unit to be designed to drum; Be fixed with kind of an awl on this upper shell, during use, this upper shell be packed in the bottom of kind of case; The seed of planting in the case is full of in this upper shell; Seed wheel that can horizontally rotate through the bottom and negative pressure inhale that kind of system and positive pressure system realize dividing kind, seeding, and the concentrated seeding unit integral installation of this pneumatic type is keeped in repair easy to adjust outside kind of case.
2. simple in structure.Because the utility model pneumatic type concentrates seeding unit to be directly installed on the bottom of kind of case; Seed leans on gravity to drop in the upper shell naturally; When having avoided concentrated seeding unit to be arranged in the big volume kind case, defeated kind of the device of strength spiral flow type need be set specially, effectively simplify the structure.
3. save kind of a case space.This pneumatic type concentrates the seeding unit integral installation outside kind of case, does not take kind of a case space, can carry seed more.
Description of drawings
Fig. 1 is the organigram that the utility model pneumatic type is concentrated seeding unit;
Fig. 2 is along the cutaway view of A-A line among Fig. 1;
Fig. 3 be among Fig. 1 B to organigram;
Fig. 4 is the partial enlarged drawing of I among Fig. 1.
Among the figure: negative-pressure air fan is taken over 1 negative pressure chamber, 2 negative pressure and is taken over 3 lower houses, 4 negative pressure holes, 5 driving shafts 6 and fill kind of chamber 7 positive pressure fans and take over clear 11 fens kind mouths 12 of brush kind of mouth 13 suction holes 14 sealing rings 15 seed wheels 16 minute bodies 18 malleation holes 19 clear pipe 20 grain tubes 21 of planting in the middle of kind of the awl 17 that fall that fall of planting of 8 annular plemums, 9 upper shells 10
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As shown in Figure 1; Provide the organigram of the concentrated seeding unit of the utility model pneumatic type, comprised a lower house 4 and negative pressure suction kind of a system that is installed on lower house 4 bases, in Fig. 2, Fig. 4; Circumferentially be uniformly distributed with the clear kind pipe 20 that is installed on lower house 4 bottoms; Should clearly plant pipe and connect grain tube 21 20 times, and can support the seed wheel 16 that is installed on lower house 4 bases with horizontally rotating, the outer rim of this seed wheel 16 is uniformly distributed with and radially is provided with suction hole 14; Like Fig. 1, shown in Figure 2; This negative pressure is inhaled kind of system and is made up of the negative pressure adapter 3 that negative-pressure air fan adapter 1, annular negative pressure chamber 2, the annular negative pressure chamber 2 in edge circumferentially are uniformly distributed with setting; Each negative pressure is taken over 3 corresponding respectively and lower house 4 bottoms along negative pressure hole 5 UNICOMs that circumferentially are uniformly distributed with setting; Be positioned on this negative pressure hole 5 place annular center lines sealing ring 15 is set, paste with the last plane of sealing ring 15 mutually the bottom surface of this seed wheel 16, and sealing ring 15 is provided with and is uniformly distributed with long arc-shaped holes; Inhale kind of a zone when seed wheel 16 rotates to be in, the long arc-shaped holes that each suction hole 14 sees through on the sealing ring 15 communicates with a negative pressure hole 5 respectively.Upper shell 10 is set above said lower house 4; This upper shell 10 is designed to drum, is fixed with kind of an awl 17 on this upper shell 10, is positioned to be equipped with on kind of the seed wheel 16 of awl 17 belows to lead kind of an awl; This fall kind awl 17 with lead kind of an awl and be designed to identical tapering; And equidistantly configuration constitutes seed-guiding cavity up and down, and kind of the mouth 13 that falls is uniformly distributed along the circumference and is arranged on kind of awl 17 ends, makes seeds fall along kind of the downward landing of awl of leading of rotating; Middle minute body 18 along the circumferential direction is uniformly distributed with and is installed between this lower house 4 and the upper shell 10; Along the circumferential direction adjacently on each this centre minute body 18 malleation hole 19, a radial skew vertically are set respectively a branch kind mouth 12 is set, each this branch kind mouthfuls 12 communicates with said seed-guiding cavity, in Fig. 1, Fig. 3; Kind of chamber 7 is filled in kind of mouthful 12 settings of corresponding each this branch; This fills kind of chamber 7 and clamps and be fixed between this centre minute body 18 and the lower house 4, the malleation hole 19 on each this centre minute body 18 respectively be arranged on upper shell 10 on positive pressure system communicate, the lower end in each this malleation hole 19 communicates with each clear pipe 20 of planting respectively.
Like Fig. 1, shown in Figure 4; Provided the concrete preferred implementation shape of the positive pressure system organigram of the utility model; Said positive pressure system comprises that positive pressure fan takes over 8, annular plemum 9, malleation air port, and this annular plemum 9 is arranged in the upper shell 10, and these annular plemum 9 external positive pressure fans take over 8; This annular plemum 9 is along circumferentially being laid with the malleation air port, each malleation air port respectively with each this centre minute body 18 on malleation hole 19 communicate.
Like Fig. 1, shown in Figure 2, as the concrete preferred embodiment of the utility model, said malleation air port, middle minute body 18 and malleation hole 19, clear quantity correspondence of planting pipe 20, grain tube 21 are respectively 12; Said kind of the mouth 13 that falls, divide kind mouthfuls 12, fill kind of chamber 7, negative pressure hole 5, negative pressure take over 3 quantity correspondence and be respectively 12.
As the improvement of the utility model, like Fig. 1, shown in Figure 2, driving shaft 6 is set in the lower horizontal of said lower house 4, the end of this driving shaft 6 is equipped with bevel pinion and is meshed with the bevel gear wheel of these seed wheel 16 bottoms.
As the further improvement of the utility model,, a clear brush 11 of planting, each is set in filling kind of chamber 7 like Fig. 1, Fig. 3, shown in Figure 4.
The utility model pneumatic type concentrates the operation principle of seeding unit to be: pneumatic type concentrates seeding unit to be installed in the big volume kind case bottom of large-scale multirow wide cut sower; Along with advancing of unit; Pneumatic type is concentrated positive pressure system, the negative pressure of seeding unit to inhale kind of a system and is started working, and the seeds fall of planting in the case is full of in the upper shell 10 of seeding unit, and seed will glide along kind of the inclined-plane of awl 17 that falls and fall in the seed-guiding cavity through kind of the mouth 13 that falls; Fall into the seed in the seed-guiding cavity; Along with seed wheel 16 rotates, make lead kind of the awl downward landing of seed along rotation, the radial skew on each this centre minute body 18 divides kind of mouthful 12 entering to fill kind of chamber 7; Inhale in negative pressure under the effect of kind of system, the outer rim that seed is attracted to seed wheel 16 is uniformly distributed with radially on the suction hole 14.When the suction hole 14 of absorbed seed produced the long arc-shaped holes scope that breaks away from the sealing ring 15 from fill kind of chamber 7 with seed wheel 16, vacuum expendable pattern, seed fall into planted clearly in the pipe 20, under the effect of positive pressure system, blows out the realization sowing through grain tube 21.Process fulfils assignment.Go out the process from filling 7 transfers of kind of chamber with seed wheel 16 at above-mentioned suction hole 14, be arranged on the clear kind brush 11 that fills in kind of the chamber 7 and remove suction hole 14 unnecessary seed on every side, realized precision drilling.
As the concrete preferred embodiment of the utility model, said malleation air port, middle minute body 18 and malleation hole 19, clear quantity correspondence of planting pipe 20, grain tube 21 are respectively 12; Said kind of the mouth 13 that falls, divide kind mouthfuls 12, fill kind of chamber 7, negative pressure hole 5, negative pressure take over 3 quantity correspondence and be respectively 12.Realize adopting a pneumatic type to concentrate seeding unit to carry out 12 row precision drilling operations simultaneously, be particularly useful for the precision drilling operation of large-scale multirow wide cut sower.
Claims (5)
1. a pneumatic type is concentrated seeding unit; The negative pressure that comprises lower house (4) and be installed on lower house (4) base is inhaled kind of a system; Circumferentially be uniformly distributed with the clear kind pipe (20) that is installed on lower house (4) bottom; Should clearly plant under the pipe (20) and connect grain tube (21), and can support the seed wheel (16) that is installed on lower house (4) base with horizontally rotating, the outer rim of this seed wheel (16) is uniformly distributed with and radially is provided with suction hole (14); This negative pressure is inhaled kind of system and is made up of the negative pressure adapter (3) that negative-pressure air fan adapter (1), annular negative pressure chamber (2), the annular negative pressure chamber in edge (2) circumferentially are uniformly distributed with setting; Each negative pressure adapter (3) difference correspondence edge bottom lower house (4) circumferentially is uniformly distributed with negative pressure hole (5) UNICOM of setting; Be positioned on the annular center line of this negative pressure hole (5) place sealing ring (15) is set; Paste with the last plane of sealing ring (15) mutually the bottom surface of this seed wheel (16), and sealing ring (15) is provided with and is uniformly distributed with long arc-shaped holes, inhales kind of a zone when seed wheel (16) rotates to be in; The long arc-shaped holes that each suction hole (14) sees through on the sealing ring (15) communicates with a negative pressure hole (5) respectively; It is characterized in that: in the top of said lower house (4) upper shell (10) is set, this upper shell (10) is designed to drum, is fixed with kind of an awl (17) on this upper shell (10); Be positioned to be equipped with on kind of the seed wheel (16) of awl (17) below and lead kind of an awl; This kind of awl (17) that falls is designed to identical tapering with leading kind of an awl, and equidistantly disposes the formation seed-guiding cavity up and down, and kind of the mouth (13) that falls is uniformly distributed along the circumference and is arranged on kind of awl (a 17) end; Make seeds fall along kind of the downward landing of awl of leading of rotating; Middle minute body (18) along the circumferential direction is uniformly distributed with and is installed between this lower house (4) and the upper shell (10), along the circumferential direction adjacent on each this centre minute body (18) a malleation hole (19) is set vertically respectively, radial skew is provided with a branch kind mouth (12), and each this branch kind mouth (12) communicates with said seed-guiding cavity; Corresponding each this branch kind of mouthful (12) is provided with and fills kind of a chamber (7); This fills kind of a chamber (7) and clamps and be fixed between this centre minute body (18) and the lower house (4), the malleation hole (19) on each this centre minute body (18) respectively be arranged on upper shell (10) on positive pressure system communicate, the lower end in each this malleation hole (19) communicates with each clear pipe (20) of planting respectively.
2. pneumatic type according to claim 1 is concentrated seeding unit; It is characterized in that: said positive pressure system comprises positive pressure fan adapter (8), annular plemum (9), malleation air port; This annular plemum (9) is arranged in the upper shell (10); The external positive pressure fan of this annular plemum (9) is taken over (8), and this annular plemum (9) is along circumferentially being laid with the malleation air port, each malleation air port respectively with each this centre minute body (18) on malleation hole (19) communicate.
3. pneumatic type according to claim 2 is concentrated seeding unit, it is characterized in that: the quantity correspondence of said malleation air port, middle minute body (18) and malleation hole (19), clear kind pipe (20), grain tube (21) is respectively 12; Said kind of the mouth (13) that falls, divide kind of mouthful (12), fill kind of a chamber (7), quantity correspondence that negative pressure hole (5), negative pressure are taken over (3) is respectively 12.
4. concentrate seeding unit according to any one described pneumatic type in the claim 1 to 3; It is characterized in that: the lower horizontal at said lower house (4) is provided with driving shaft (6), and the end of this driving shaft (6) is equipped with bevel pinion and is meshed with the bevel gear wheel of this seed wheel (16) bottom.
5. concentrate seeding unit according to any one described pneumatic type in the claim 1 to 3, it is characterized in that: a clear brush (11) of planting is set in each fills kind of a chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120446607 CN202310545U (en) | 2011-11-14 | 2011-11-14 | Pneumatic centralized seed sowing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120446607 CN202310545U (en) | 2011-11-14 | 2011-11-14 | Pneumatic centralized seed sowing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202310545U true CN202310545U (en) | 2012-07-11 |
Family
ID=46422563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120446607 Withdrawn - After Issue CN202310545U (en) | 2011-11-14 | 2011-11-14 | Pneumatic centralized seed sowing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202310545U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102356715A (en) * | 2011-11-14 | 2012-02-22 | 黑龙江省农业机械工程科学研究院 | Pneumatic centralized seed metering device |
| CN106576527A (en) * | 2016-11-07 | 2017-04-26 | 华中农业大学 | Rice and wheat precision seeding device controlled by one machine and multiple rows |
| 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 |
-
2011
- 2011-11-14 CN CN 201120446607 patent/CN202310545U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102356715A (en) * | 2011-11-14 | 2012-02-22 | 黑龙江省农业机械工程科学研究院 | Pneumatic centralized seed metering device |
| CN106576527A (en) * | 2016-11-07 | 2017-04-26 | 华中农业大学 | Rice and wheat precision seeding device controlled by one machine and multiple rows |
| CN106576527B (en) * | 2016-11-07 | 2018-10-09 | 华中农业大学 | One device multirow electrical control rice and kernel seed placing device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130612 |
|
| RGAV | Abandon patent right to avoid regrant |