CN202232100U - Air-aspiration type precision seed metering device - Google Patents
Air-aspiration type precision seed metering device Download PDFInfo
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- CN202232100U CN202232100U CN2011203431523U CN201120343152U CN202232100U CN 202232100 U CN202232100 U CN 202232100U CN 2011203431523 U CN2011203431523 U CN 2011203431523U CN 201120343152 U CN201120343152 U CN 201120343152U CN 202232100 U CN202232100 U CN 202232100U
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Abstract
The utility model discloses an air-aspiration type precision seed metering device and aims at providing an air-aspiration type precision seed metering device which is low in repeated seeding rate, saves seeds and has stable seeding performance. The air-aspiration type precision seed metering device comprises a main shell, an auxiliary shell, a seed metering disc, a seed disc driving shaft, a seed scraping fixed cutter, an adjustable seed scraping cutter, a seed scraping cutter adjusting mechanism and a seed disc transmission part, wherein a vertical plate end of the seed scraping fixed cutter extends into an annular space formed by seed stirring teeth uniformly distributed on the seed metering disc along the inner circumference, and seed sucking holes uniformly distributed in the seed metering disc along the outer circumference, the cutting edge of the vertical plate end of the seed scraping fixed cutter is attached with the end surface of the seed metering disc, the front end of the adjustable seed scraping cutter extends to the outer side of the circumference along which the air sucking holes are uniformly distributed, and the plane of the adjustable seed scraping cutter is attached with the end surface of the seed metering disc. The air-aspiration type precision seed metering device is suitable for the precision seeding of intertillage crops.
Description
Technical field
The utility model relates to a kind of agricultural seeding machine seeding unit, specifically, relates to a kind of driven sucking precise seeder that is applied on the grain seeder.
Background technology
Air-suction seeding unit has been widely used on the grain seeder at present, is mainly used in sowing at a high speed, has the operating efficiency height, and injuring-free seed is to the adaptable characteristics of different size dimension seeds.Existing air-suction seeding unit mainly comprises seeding unit main casing, sub-shell, seed plate, seed disk shaft, sealing ring; Seed plate along the circumferential direction is provided with suction hole; For fear of broadcast leakage; Along the circumferential direction be provided with on the seed plate and stir kind of a tooth, for fear of replay, the seeding unit main casing is provided with one and picks kind of a cutter.This technical scheme efficiently solves the operation of sower high speed, seeding unit injuring-free seed, adapts to the problem of different big seedlets.But the part that still has some deficits is provided with one and picks kind of a cutter, can not guarantee fully to reject the unnecessary seed of each suction hole, still has replay situation to a certain degree to occur, the waste seed, and the sowing performance is stable inadequately.
The utility model content
The purpose of the utility model is to the problems referred to above that exist, provide a kind of rate of replaying low, save the driven sucking precise seeder of seed, sowing stable performance.
For realizing above-mentioned purpose; The utility model adopts following technical proposals: the driven sucking precise seeder of the utility model; Comprise main casing, sub-shell, seed plate, kind disk drive shaft, plant the disk drive shaft vertical support on main casing, seed plate vertically is packed on kind of the disk drive shaft.Also comprise and pick kind of a stationary knife, adjustablely pick kind of cutter and pick kind of cutter governor motion and kind dish drive disk assembly; Pick kind of a stationary knife and be designed to right angle bending plate shape; Through datum plane and be packed in main casing on parallel with seed plate; This vertical panel end that picks kind of stationary knife stretches into by being distributed on stirring kind of tooth and be distributed in the annulus that the suction hole on the seed plate constitutes along excircle on the seed plate along inner periphery, and this vertical panel end cutting edge that picks kind of stationary knife pastes with the seed plate end face mutually; Adjustable kind of the cutter that picks is designed to writing board shape, and front end has the oblique angle, and this is adjustable to pick the periphery that is uniformly distributed with that kind of cutter front end projects forwardly to suction hole, and paste with the seed plate end face mutually on this adjustable kind of cutter plane of picking.
As the preferred version of the utility model, said kind of the cutter governor motion that picks is made up of arm-tie, pressing plate, elasticity balancing point, location-plate, arc scale, and location-plate is arranged on the main casing; Adjustable picking in the chute that kind of cutter is slidably mounted in this location-plate; And through the location of the pressing plate outside it, the lower end of elasticity balancing point is hinged on the bottom of pressing plate, and arm-tie is arranged in the strip gap of pressing plate; It is hinged that the rear end of kind of cutter is picked in the rear end of arm-tie and adjustable; The lower hinge of the front end of this arm-tie and elasticity balancing point makes this elasticity balancing point, arm-tie, adjustable to pick that kind of cutter constitutes with elasticity balancing point lower end pin joint be the linkage swing mechanism of support, and the arc scale is that the center of circle is fixed on the location-plate plane with elasticity balancing point lower end pin joint; Be positioned at this arc scale outside; With elasticity balancing point lower end pin joint is that the center of circle is laid with locating hole along circular arc, and this elasticity balancing point top vertically bent and insert in this locating hole through elastic reaction, realizes the swing location of this elasticity balancing point.
Improvement as the utility model; Said kind dish drive disk assembly is made up of power shaft, large conical gear, small conical gear; The power shaft lateral support is on said main casing; Large conical gear is installed in the outer end of kind of disk drive shaft, and small conical gear is installed on the power shaft, this large conical gear and small conical gear mating engagement.
After adopting technique scheme, the beneficial effect that the driven sucking precise seeder that the utility model provides has is:
Because this vertical panel end that picks kind of stationary knife stretches into by be distributed on stirring kind of tooth and be distributed in the annulus that the suction hole on the seed plate constitutes along excircle on the seed plate along inner periphery, the periphery that is uniformly distributed with of suction hole is provided with adjustable kind of the cutter that picks.Pick kind of stationary knife and adjustable like this and pick kind of cutter and will reject the unnecessary seed of suction hole absorption simultaneously, this suction hole be uniformly distributed with the mode that outside combination in the circumference is picked kind, can guarantee to greatest extent that each suction hole only adsorbs a seed.Thus it is clear that, have the effect that the replay rate is low, save seed, sowing stable performance.
Description of drawings
Fig. 1 is the organigram of the utility model driven sucking precise seeder;
Fig. 2 is the organigram of the utility model driven sucking precise seeder main casing deployed condition;
Fig. 3 is the partial enlarged drawing of I among Fig. 2;
Fig. 4 is along the cutaway view of A-A line among Fig. 1.
Among the figure: main casing 1 sub-shell 2 seed plates 3 pick kind of stationary knife 4 and stir kind of tooth 5 suction holes 6 adjustable 13 kinds of disk drive shafts of kind of cutter 7 arm-ties, 8 pressing plate 9 elasticity balancing points, 10 location-plate 11 arc scales, 12 locating holes, 14 power shafts, 15 large conical gears, 16 small conical gears 17 that pick and fill kind of chamber 18
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
Like Fig. 1, shown in Figure 2; Provided the organigram of the utility model driven sucking precise seeder; Comprise main casing 1, sub-shell 2, seed plate 3, plant disk drive shaft 14; Kind of disk drive shaft 14 vertical support are on main casing 1, and seed plate 3 vertically is packed on kind of the disk drive shaft 14, also comprise picking kind of stationary knife 4, adjustablely picking kind of cutter 7 and pick kind of cutter governor motion and kind dish drive disk assembly; Pick kind of stationary knife 4 and be designed to right angle bending plate shape; Through datum plane and with seed plate 3 parallel being packed on the main casing 1, this vertical panel end that picks kind of stationary knife 4 stretches into by being distributed on stirring kind of tooth 5 and be distributed in the annulus that the suction hole 6 on the seed plate 3 constitutes along excircle on the seed plate 3 along inner periphery, and this vertical panel end cutting edge that picks kind of stationary knife 4 pastes with seed plate 3 end faces mutually; Adjustable kind of the cutter 7 that picks is designed to writing board shape, and front end has the oblique angle, and this is adjustable to pick the periphery that is uniformly distributed with that kind of cutter 7 front ends project forwardly to suction hole 6, and paste with seed plate 3 end faces mutually on these adjustable kind of cutter 7 planes of picking.
As shown in Figure 3; Provided kind of the cutter governor motion embodiment structural representation that picks of the utility model driven sucking precise seeder, said kind of the cutter governor motion that picks is made up of arm-tie 8, pressing plate 9, elasticity balancing point 10, location-plate 11, arc scale 12, and location-plate 11 is arranged on the main casing 1; Adjustable picking in the chute that kind of cutter 7 is slidably mounted in this location-plate 11; And through 9 location of the pressing plate outside it, the lower end of elasticity balancing point 10 is hinged on the bottom of pressing plate 9, and arm-tie 8 is arranged in the strip gap of pressing plate 9; It is hinged that the rear end of kind of cutter 7 is picked in the rear end of arm-tie 8 and adjustable; The lower hinge of the front end of this arm-tie 8 and elasticity balancing point 10 makes this elasticity balancing point 10, arm-tie 8, adjustable to pick that kind of cutter 7 constitutes with elasticity balancing point 10 lower end pin joints be the linkage swing mechanism of support, and arc scale 12 is that the center of circle is fixed on location-plate 11 planes with elasticity balancing point 10 lower end pin joints; Be positioned at this arc scale 12 outsides; With elasticity balancing point 10 lower end pin joints is that the center of circle is laid with locating hole 13 along circular arc, and this elasticity balancing point 10 top vertically bent and insert in this locating hole 13 through elastic reaction, realizes the swing location of this elasticity balancing point 10.
As shown in Figure 4; Provided the kind dish drive disk assembly embodiment structural representation of the utility model driven sucking precise seeder; Said kind dish drive disk assembly is made up of power shaft 15, large conical gear 16, small conical gear 17, and power shaft 15 lateral supports are on said main casing 1, and large conical gear 16 is installed in the outer end of kind of disk drive shaft 14; Small conical gear 17 is installed on the power shaft 15, this large conical gear 16 and small conical gear 17 mating engagement.
The driven sucking precise seeder operation principle is: driven sucking precise seeder is packed on the planter frame of sower during use; The power shaft 15 of kind of dish drive disk assembly connects with the sower transmission system through universal drive shaft, is connected with air intake duct on the seeding unit sub-shell 2 from the aspiration channel on the induced-draught fan, along with sowing advancing of unit; Plant kind disk drive shaft 14 rotations of dish drive disk assembly; Drive seed plate 3 rotations, under the induced-draught fan suction function, be attracted on the suction hole 6 from the seed that fills kind of chamber 18 in the main casing 1; When be adsorbed on seed on the suction hole 6 run into successively adjustable pick kind of cutter 7 and pick kind of stationary knife 4 after; Unnecessary seed is disallowable to get off, and the mode of planting is picked in the circumference interior outside combination that is uniformly distributed with of this suction hole, can guarantee to greatest extent that each suction hole only adsorbs a seed.
In the actual job process, can regulate the adjustable overhang that picks kind of cutter 7 through picking kind of cutter governor motion according to the seeding situation, realize the seeding of smart amount.Concrete grammar is: firmly lift elasticity balancing point 10; And to make it with elasticity balancing point 10 lower end pin joints be center of circle rotary oscillation; Elasticity balancing point 10 drives adjustable kind of the cutter 7 that picks through arm-tie 8 and moves forward and backward; The adjustable overhang that picks kind of cutter 7 takes place to change forward or backward, unclamps elasticity balancing point 10 after the angle that swing requires, and the top of this elasticity balancing point 10 inserts in this locating hole 13 through elastic reaction again.
Claims (3)
1. driven sucking precise seeder; Comprise main casing (1), sub-shell (2), seed plate (3), plant disk drive shaft (14); Plant disk drive shaft (14) vertical support on main casing (1); Seed plate (3) vertically is packed on kind of the disk drive shaft (14); It is characterized in that: also comprise and pick kind of a stationary knife (4), adjustablely pick kind of a cutter (7) and pick kind of cutter governor motion and kind dish drive disk assembly, pick kind of a stationary knife (4) and be designed to right angle bending plate shape, through datum plane and be packed on the main casing (1) parallel with seed plate (3); This vertical panel end that picks kind of a stationary knife (4) stretches into by being distributed on stirring kind of a tooth (5) and be distributed in the annulus that the suction hole (6) on the seed plate (3) constitutes along excircle on the seed plate (3) along inner periphery, and this vertical panel end cutting edge that picks kind of a stationary knife (4) pastes with seed plate (3) end face mutually; Adjustable kind of the cutter (7) that picks is designed to writing board shape, and front end has the oblique angle, and this is adjustable to pick the periphery that is uniformly distributed with that kind of a cutter (7) front end projects forwardly to suction hole (6), and paste with seed plate (3) end face mutually on this adjustable kind of a cutter (7) plane of picking.
2. driven sucking precise seeder according to claim 1; It is characterized in that: said kind of the cutter governor motion that picks is made up of arm-tie (8), pressing plate (9), elasticity balancing point (10), location-plate (11), arc scale (12); Location-plate (11) is arranged on the main casing (1); Adjustable kind of the cutter (7) that picks is slidably mounted in the chute of this location-plate (11); And through the location of the pressing plate (9) outside it, the lower end of elasticity balancing point (10) is hinged on the bottom of pressing plate (9), and arm-tie (8) is arranged in the strip gap of pressing plate (9); It is hinged that the rear end of kind of a cutter (7) is picked in the rear end of arm-tie (8) and adjustable; The lower hinge of front end of this arm-tie (8) and elasticity balancing point (10) makes this elasticity balancing point (10), arm-tie (8), adjustable to pick that kind of a cutter (7) constitutes with elasticity balancing point (10) lower end pin joint be the linkage swing mechanism of support, and arc scale (12) is that the center of circle is fixed on location-plate (11) plane with elasticity balancing point (10) lower end pin joint; Be positioned at this arc scale (12) outside; With elasticity balancing point (10) lower end pin joint is that the center of circle is laid with locating hole (13) along circular arc, and this elasticity balancing point (10) top vertically bent and insert in this locating hole (13) through elastic reaction, realizes the swing location of this elasticity balancing point (10).
3. driven sucking precise seeder according to claim 1 and 2; It is characterized in that: said kind dish drive disk assembly is made up of power shaft (15), large conical gear (16), small conical gear (17); Power shaft (15) lateral support is on said main casing (1); Large conical gear (16) is installed in the outer end of kind of a disk drive shaft (14), and small conical gear (17) is installed on the power shaft (15), this large conical gear (16) and small conical gear (17) mating engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203431523U CN202232100U (en) | 2011-09-14 | 2011-09-14 | Air-aspiration type precision seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203431523U CN202232100U (en) | 2011-09-14 | 2011-09-14 | Air-aspiration type precision seed metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202232100U true CN202232100U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203431523U Expired - Fee Related CN202232100U (en) | 2011-09-14 | 2011-09-14 | Air-aspiration type precision seed metering device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202232100U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918966A (en) * | 2012-11-15 | 2013-02-13 | 华中农业大学 | Seed sucking disc with guide seed agitating teeth |
| CN103503615A (en) * | 2013-09-11 | 2014-01-15 | 中国农业大学 | Tandem lever type bilateral seed-cleaning device |
| CN104115595A (en) * | 2014-06-11 | 2014-10-29 | 史丹希中国有限公司 | Vacuum adsorption type precise seeder |
| CN104584742A (en) * | 2015-02-04 | 2015-05-06 | 中机美诺科技股份有限公司 | Air suction type minisize potato precision planter |
| CN107079640A (en) * | 2017-05-22 | 2017-08-22 | 山东省农业机械科学研究院 | Pneumatic seeding apparatus dynamics is adjustable cleaning device |
| CN113016292A (en) * | 2021-04-21 | 2021-06-25 | 山东理工大学 | Air-suction type precision seed sowing device with adjustable suction hole size |
-
2011
- 2011-09-14 CN CN2011203431523U patent/CN202232100U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918966A (en) * | 2012-11-15 | 2013-02-13 | 华中农业大学 | Seed sucking disc with guide seed agitating teeth |
| CN103503615A (en) * | 2013-09-11 | 2014-01-15 | 中国农业大学 | Tandem lever type bilateral seed-cleaning device |
| CN104115595A (en) * | 2014-06-11 | 2014-10-29 | 史丹希中国有限公司 | Vacuum adsorption type precise seeder |
| CN104584742A (en) * | 2015-02-04 | 2015-05-06 | 中机美诺科技股份有限公司 | Air suction type minisize potato precision planter |
| CN107079640A (en) * | 2017-05-22 | 2017-08-22 | 山东省农业机械科学研究院 | Pneumatic seeding apparatus dynamics is adjustable cleaning device |
| CN107079640B (en) * | 2017-05-22 | 2022-07-15 | 山东省农业机械科学研究院 | Adjustable clear kind of a device of pneumatic seed metering ware dynamics |
| CN113016292A (en) * | 2021-04-21 | 2021-06-25 | 山东理工大学 | Air-suction type precision seed sowing device with adjustable suction hole size |
| CN113016292B (en) * | 2021-04-21 | 2022-05-10 | 山东理工大学 | Air-suction type precision seed sowing device with adjustable suction hole size |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130914 |