CN204362555U - Not rounded seed simple grain orientation is charged seed precision seeder - Google Patents
Not rounded seed simple grain orientation is charged seed precision seeder Download PDFInfo
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- CN204362555U CN204362555U CN201420821615.6U CN201420821615U CN204362555U CN 204362555 U CN204362555 U CN 204362555U CN 201420821615 U CN201420821615 U CN 201420821615U CN 204362555 U CN204362555 U CN 204362555U
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Abstract
A kind of to charge seed precision seeder based on not rounded seed simple grain orientation, belong to agricultural machinery technological field.It comprises frame, plants case, vibrates for kind of mechanism, a directed pack roller, leads kind of a mouth, fills kind of a plate; Also comprise thimble-type Pneumatic drum; During work, nibs drums inside is subnormal ambient, the seeding seed dresser structure of nibs cylinder and inside thereof rotates, performed an action by actuated by cams seeding seed dresser structure, first seed is adsorbed in nibs, then seed is imported directed pack roller and define in equally distributed V-groove on seedling-cultivation plate; Achieve and accurate control sowing simple grain rate, and can accurate pointing charge seed, precision metering device.
Description
Technical Field
The utility model relates to a seed throwing and seeding device, in particular to a device for non-circular seeds, realizing directional seed throwing of single seeds and precise seed metering, belonging to the technical field of agricultural machinery.
Background
At present, the precision sowing technology is a mechanical planting technology for dibbling a certain number of seeds in soil according to the requirements of crop cultivation agriculture, can ensure the most reasonable distribution of the seeds in the field, accurate sowing quantity, uniform plant spacing and consistent sowing depth, creates the best conditions for the growth and development of the seeds, can greatly save the seeds, reduce the labor for thinning and improve the yield and quality of crops, and is a cost-saving and efficiency-improving engineering technology with remarkable effect. Therefore, the requirement of modern agriculture for precision seeding is more and more urgent. Particularly, in recent years, the technologies of breeding, seed processing, agricultural cultivation and the like are continuously developed and perfected, the germination rate and the seedling protection rate of seeds are greatly improved, and the precision sowing technology is more reliably guaranteed, so that higher requirements are provided for precision sowing, single-seed precision sowing becomes the current most potential research hotspot, and the method is widely applied at home and abroad. In addition to the single-seed sowing of intertillage crops such as corn, soybean, and cotton, many studies and applications have been made on crops such as rice, peanut, wheat, and vegetables. Research results show that more fine sowing can obtain more uniform plant distribution when single-grain fine sowing is carried out, the method is a novel cost-saving and efficiency-increasing production and cultivation technology, and the seed-saving and high-yield effect is obvious. Single seed sowing has become a major feature of modern sowing techniques and a major development direction of sowing techniques.
The precise seed metering in the single-seed precision seeding high-yield cultivation technology is one of the key technologies for realizing precise seeding, and the precise seed metering device is the core component of a precise seeding machine. The precision seeding technology is researched and popularized from 70 s in China, and cannot be generally applied to the prior art, mainly because no proper precision seeding part exists. In recent years, many researches are made on single-seed precision seeding apparatuses, which mainly focus on circular or nearly circular seeds such as soybeans and corns and basically realize single-seed precision seeding. In agriculture, with the continuous demonstration and popularization of new single-seed precision seeding high-yield cultivation technology, single-seed precision seeding devices suitable for non-round seeds such as rice, peanut, wheat and the like become urgent needs, and the trend of implementing single-seed precision seeding on more and more crops becomes. In order to popularize the modern agricultural production technology of cost saving and efficiency increasing of single-seed precision sowing, agricultural machinery is combined with agricultural technology, a single-seed precision seed sowing device is researched and designed, the single-seed filling rate of seeds is improved, the breaking rate is reduced, and the single-seed precision sowing and seed sowing device which is simple in structure, stable in performance, reliable in work and high in adaptability is a problem to be solved urgently by single-seed precision sowing at present and has important practical significance for improving economic benefits, reducing production cost and accelerating the development of planting production mechanization.
The existing seed metering devices used in large quantity can not realize the directional seeding of non-round seeds, so that the leaves of the plants are shielded after the seeds germinate, the illumination of the plants is insufficient, and the growth is influenced; in the process of mechanical transplanting of the seedling raising tray, plant leaves are wound with each other to cause damage to the plant leaves; therefore, the problem of single-seed precision directional sowing still cannot be solved well in the current mechanized sowing or mechanized seedling raising process. In view of the above, there is an urgent need for a non-circular seed single-grain directional seed-feeding precise seed-metering device which can precisely control the single-grain rate of non-circular seeds during the sowing process, and can realize precise directional sowing and mechanized seed cleaning after seed feeding.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a non-circular seed single seed directional seed throwing precision seed metering ware aims at providing a new, the device for in the seeding process of non-circular seed, control seeding single seed rate that can be accurate, and after accurate directional seeding, throw kind, can realize mechanized automatic clear kind.
The technical scheme of the utility model as follows:
a non-round seed single grain directional seed feeding precision seeding apparatus comprises a frame, a seed box, a vibration seed supply mechanism, a directional press roller, a seed guide nozzle and a seed charging plate; the device also comprises a thimble type air suction roller; wherein,
the seed box is fixedly arranged at the tail end of the rack; the ejector pin type air suction roller is arranged at the upper part of the middle of the rack; the vibration seed supply mechanism is positioned below the seed box and fixedly arranged on the rack, and a gap is reserved between the front end of the vibration seed supply mechanism and the ejector pin type air suction roller; the directional press roller is arranged at the lower part of the front end of the frame through a rotating shaft; the seed guide nozzle is positioned below the ejector pin type air suction roller and is fixedly arranged on the frame; the lower part of the seed filling plate in front of the vibration seed supply mechanism is fixedly arranged on the rack, and the lower edge of the seed filling plate is contacted with the circumferential surface of the ejector pin type air suction roller to form a V-shaped seed filling area;
the ejector pin type air suction roller comprises an end cover, a seed discharging and cleaning mechanism, a hole forming roller, a mounting shaft and a cam; the device comprises a hole drum, a hole groove, a plurality of non-circular seed profile grooves and a plurality of shaped hole rollers, wherein the shaped hole rollers; an air channel is arranged in the mounting shaft, an air hole is formed in the shaft wall corresponding to the hole forming roller, and a negative pressure air interface is arranged at the shaft end of the mounting shaft; the cam and the seed discharging and cleaning mechanism are arranged in the hole-forming roller, the mounting shaft penetrates through the end cover, the cam and the seed discharging and cleaning mechanism, the cam is fixed on the mounting shaft, and two ends of the hole-forming roller are closed by the end cover; when the hole-forming roller works, the inside of the hole-forming roller is in a negative pressure environment, the hole-forming roller and the seed-discharging and seed-cleaning mechanism inside the hole-forming roller rotate, the mounting shaft and the cam do not rotate, and the cam drives the seed-discharging and seed-cleaning mechanism to perform action;
the seed discharging and cleaning mechanism comprises a chute disc and a seed discharging plate; wherein, a seed plate mounting groove is radially arranged on the sliding groove disc; the end part of the seed discharging plate is arranged in the seed discharging plate mounting groove, and the chute disc is sleeved on the mounting shaft;
the outer end face of the seed discharging plate is provided with an elastic arc strip; the inner end of the seeding plate is provided with a cam action end surface which is contacted with the surface of the cam; a return spring is arranged at the spring mounting end of the seed discharging plate;
the directional press roller comprises a press roller, a press unit and a press roller mounting shaft; wherein the mounting shaft of the press roller is positioned in the center of the press roller; the compression roller compression unit is a wedge-shaped single body and is uniformly and fixedly arranged on the surface of the compression roller; the crest line at the top of the wedge-shaped single body forms an included angle of 0-90 degrees with the circumferential tangential direction of the press roller.
On the basis of the basic scheme, the method can be further optimized:
in addition, the outer end surface of the seed discharging plate is also provided with a seed discharging and seed cleaning protrusion which is arranged corresponding to the hole on the hole forming roller, and the seed discharging and seed cleaning protrusion can be inserted into or separated from the hole forming roller when the seed discharging plate works; the seed sowing and cleaning bulges can be integrated with the elastic arc strips; the mounting shaft can adopt a hollow shaft with a radial hole; sealing rings are arranged between the hole-shaped roller and the end cover and between the end cover and the shaft; the elastic arc strip is a vulcanized rubber strip; the cam can be positioned in a cam accommodating groove in the center of the sliding chute disc and is fixedly arranged on the mounting shaft; the gap between the front end of the vibration seed feeder and the ejector pin type air suction roller is preferably 5-15 mm; the seed plate mounting groove can be a rectangular groove;
the cam driven seed discharging and cleaning mechanism performs action, namely the cam does not rotate in the process that the seed discharging and cleaning mechanism rotates along with the hole roller, and the seed discharging plate can slide along the radial direction of the sliding chute disc under the action of the return spring and the cam; when the short diameter surface of the cam acts on the seed discharging plate, the reset spring enables the seed discharging plate to leave the hole-shaped roller, a negative pressure environment is formed in the hole-shaped roller, when the long diameter surface of the cam acts on the seed discharging plate, the seed discharging plate is enabled to contact the hole-shaped roller and seal the hole-shaped roller, and the negative pressure environment in the hole-shaped roller disappears;
the press units on the press roller correspond to the holes of the hole roller one by one;
the ejector pin type air suction roller and the directional press roller are driven by a motor or a land wheel; the directional compression roller is connected with the ejector pin type air suction roller through a chain and synchronously rotates;
the seed guide port at the tail part of the seed guide nozzle is a flexible seed guide port;
two ends of a mounting shaft of the ejector pin type air suction roller are connected with a negative pressure fan through an air pipe;
the seed box comprises a fixed box and a displacement adjusting plate; wherein, a seed box position adjusting groove is arranged on the fixed box, and a discharge capacity adjusting long groove is arranged on the discharge capacity adjusting plate; the displacement adjusting plate is fixedly arranged on the fixed box through a bolt;
the vibration seed supply mechanism comprises a step vibration plate and an electromagnetic vibration exciter, wherein the front end of the step vibration plate is provided with continuous steps, the rear part of the step vibration plate is provided with a flat plate, and the flat plate part of the vibration seed supply mechanism is contacted with a vertical plate at the rear part of the lower part of the seed box; the lower part of the step vibrating plate is also provided with an installation plate, and the step vibrating plate is fixedly installed on the electromagnetic vibration exciter through the installation plate.
The beneficial effects of the utility model reside in that:
when directional seeding is carried out, seeds flow to a step vibrating plate of a vibration seed supply mechanism by adjusting a seed box displacement adjusting plate, the seeds can move forwards under the action of a vibration exciter, the seeds are transversely distributed under the action of steps of the step vibrating plate, at the moment, the seeds form a uniform thin layer on the step vibrating plate, and the uniform thin layer flows to a V-shaped seed filling area between a seed filling plate and a roller under the action of the vibration exciter; at the moment, under the action of a V-shaped seed filling area, seeds are transversely distributed, at the moment, a seed discharging plate of the ejector pin type air suction roller is in contact with the small-radius end face of the cam seed feeding mechanism, vulcanized rubber circular arc strips on the seed discharging plate are separated from a hole forming roller under the action of a return spring, at the moment, negative pressure is formed inside the hole forming roller, and the seeds are adsorbed in the hole forming roller. At the moment, the air suction roller continues to rotate, when the seed plate moves to a seed feeding area, the seed plate and the seed feeding and cleaning protrusion move outwards under the action of the long radius surface of the cam seed feeding mechanism, the arc length of vulcanized rubber on the seed plate is contacted with the hole forming roller, the seed feeding and cleaning shaft moves outwards and is inserted into the hole forming roller, and along with the disappearance of negative pressure in the hole forming roller, seeds flow into the seed guide nozzle under the action of the self gravity and the seed feeding and cleaning protrusion shaft; meanwhile, V-shaped grooves which are uniformly distributed are formed on the seedling raising tray under the pressing action of the directional pressing roller; the flexible seed guiding opening at the tail part of the seed guiding nozzle forms a certain included angle with the seedling raising tray, and seeds flow into the V-shaped groove through the flexible seed guiding opening and are uniformly and flatly laid in the V-shaped groove under the action of gravity. The method realizes the characteristics of realizing the accurate directional seeding and the mechanical single-seed directional seed throwing for the non-round seeds which realize the mechanical seed clearing requirement after the seed throwing.
Utilize the principle of the horizontal seed supply of vibration board thin layer, through setting up the air suction cylinder, directional compression roller, leading kind mouth, make the automatic directional range of non-circular seed, realized accurate control seeding single seed rate to can realize accurate directional seeding, throw kind, the utility model discloses can realize that the non-circular seed single seed of mechanized clear kind requirement is directional to throw kind of precision seed metering, solve the problem that current device can't be to the directional precision seed metering of non-circular seed single seed.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention;
FIG. 2 is a frame structure diagram of the present invention;
FIG. 3 is a schematic view of the structure of the seed box of the present invention;
FIG. 4 is a schematic view of the structure of the vibration seed-feeding mechanism of the present invention;
FIG. 5 is an exploded view of the structure of the ejector pin type air suction drum of the present invention;
FIG. 6 is a schematic view of the structure of the ejector pin type air suction drum of the present invention;
FIG. 7 is a schematic structural view of the seed feeding and cleaning mechanism of the present invention;
fig. 8 is a schematic view of the structure of the chute plate of the present invention;
FIG. 9 is a schematic view of a seed plate of the present invention;
fig. 10 is a schematic view of the structure of the directional compacting roller of the present invention;
fig. 11 is a schematic structural view of the seed guiding nozzle of the present invention.
Reference numerals:
1 machine frame | 2 seed box |
3 vibration seed supply mechanism | 4 ejector pin type air suction roller |
5 oriented press roller | 6 seed guiding nozzle |
7 seed filling plate | 8 air suction roller fixing and mounting hole |
Movable mounting hole of 9-directional press wheel | 10 directional press wheel |
11 fixed box | 12-displacement adjusting plate |
13 displacement adjusting elongated slot | 14 case position control groove |
15 step vibrating plate | 16 electromagnetic vibration exciter |
17 air suction drum driving gear | 18 bearing cap |
End cover of 19 air suction roller | Chute disc of 20 seed sowing plate |
21 seed sowing plate | 22-type hole roller |
Fixed mounting shaft of 23 air suction drum | 24 cam |
25 seed-metering seed-clearing component | 26 seed discharging plate mounting groove |
27 cam receiving recess | 28 seed-metering seed-clearing projection |
29 arc strip of vulcanized rubber | 30 spring mounting end |
31 cam action end face | 32 press roller driving gear |
33 press roll mounting shaft | 34 press roller press unit |
35 seed collecting port | 36 flexible seed guide port |
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1-11, a non-round seed single-grain directional seed feeding precision seed sowing device comprises a frame 1, a seed box 2, a vibration seed supply mechanism 3, a thimble type air suction roller 4, a directional compacting roller 5, a seed guide nozzle 6 and a seed filling plate 7.
As shown in fig. 1 and 2, the frame 1 includes a seed box mounting hole 10, an air suction roller fixing mounting hole 8, and a directional press roller movable mounting hole 9; wherein, seed case mounting hole 10 is located 1 afterbody of frame, and the cylinder mounting hole 8 is located frame middle part top is inhaled to the gas, and directional compression roller 10 is located frame the place ahead lower part.
As shown in fig. 1 and 2, the seed box 2 is fixedly installed at the rear of the rack 1; the ejector pin type air suction roller 4 is fixedly arranged at the upper part of the middle of the frame 1 through an air suction roller fixing mounting hole 8; the vibration seed supply mechanism 3 is positioned below the seed box 1, the front end of the vibration seed supply mechanism is 5-15mm away from the ejector pin type air suction roller, and the vibration seed supply mechanism is fixedly arranged behind the rack 1; the directional press roller 5 is movably arranged at the lower part of the front end of the frame 1; the seed guide nozzle 6 is positioned below the ejector pin type air suction roller 4 and is fixedly arranged on the rack 1 through a mounting rack; the seed charging plate 7 is positioned at the front lower part of the vibration seed supply mechanism 3 and forms a V-shaped seed charging area with the circumferential surface of the ejector pin type air suction roller 4.
As shown in fig. 1, the ejector pin type air suction roller 4 is connected with a motor or a land wheel through a chain; the directional press roller 10 is connected with the ejector pin type air suction roller 4 through a chain.
As shown in fig. 1 and 3, the seed tank 2 includes a fixed tank 11, a displacement adjusting plate 12; wherein, a seed box position adjusting groove 14 is arranged on the fixed box 11, and a discharge capacity adjusting groove is arranged on the discharge capacity adjusting plate 12; the displacement adjusting plate 12 is fixedly mounted to the fixed case 11 by bolts.
As shown in fig. 1 and 4, the vibration seed supply mechanism 3 includes a step vibration plate 15 and an electromagnetic vibration exciter 16, wherein the front end of the step vibration plate 12 is a continuous step, the rear part is a flat plate, and the flat plate part of the vibration seed supply mechanism 3 is in contact with a vertical plate at the rear part of the lower part of the seed box 1; the lower part of the step vibrating plate 15 is further provided with a mounting plate, and the step vibrating plate 15 is fixedly mounted on the electromagnetic vibration exciter 16 through the mounting plate.
As shown in fig. 1 and 5, the ejector pin type air suction roller 4 comprises an air suction roller driving gear 17, a bearing mounting end cover 18, an end cover 19, a seed metering and seed cleaning mechanism 25, a hole forming roller 22, a mounting shaft 23 and a cam 24; wherein, the hole drum 22 is provided with evenly distributed holes, the top part of the hole is a hole groove based on the outline of the non-circular seed, and the lower part is a cylindrical hole along the radial direction; the mounting shaft 23 is a hollow shaft, and the axial direction of the shaft wall is provided with air holes.
As shown in fig. 1, 5, 6, 7 and 8, the seed discharging and cleaning part 25 comprises a chute plate 20 and a seed discharging plate 21; wherein, the chute disc 20 comprises a seeding plate mounting groove 25 and a cam accommodating groove 27; wherein, the seeding plate mounting groove 26 is a rectangular groove and is distributed along the radial direction; the chute disc 20 is movably arranged at two ends of the fixed installation shaft 23 of the air suction roller; the cam 24 is positioned in the cam accommodating groove 27 of the chute disc 20 and is fixedly arranged on the fixed mounting shaft 23 of the air suction roller;
as shown in fig. 1, 5, 6, 7, 8 and 9, the seed discharging plate 21 comprises a seed discharging and seed cleaning protrusion 28, a vulcanized rubber arc strip 29, a spring mounting end 30 and a cam action end face 31; wherein, two ends of the seeding plate 21 are movably arranged in the seeding plate mounting groove 26 on the seeding plate chute disc 20; the cam action end face 31 contacts the outer surface of the cam 24; a return spring at the spring mounting end 30 of the seed plate 21 is also in the seed plate mounting slot 26.
As shown in fig. 1, 5, 6, 7 and 8, the seed feeding and cleaning mechanism 25 is mounted on the hole roller 22 through end covers 19 at both ends; the bearing cover 18 is fixedly arranged on the end cover 19, the bearing is arranged on the bearing cover 18, and the mounting shaft 23 of the air suction roller is fixedly arranged with the inner ring of the bearing; the air suction roller driving gear 17 is fixed on the bearing cover 18, sealing rings are axially arranged inside the air suction roller driving gear 17, and the sealing rings are arranged between the hole-shaped roller 22 and the end cover 19 and between the end cover 19 and the shaft.
As shown in fig. 1 and 10, the directional press roll 5 includes a press roll driving gear 32, a press roll unit 34, and a press roll mounting shaft 33; wherein the press roll mounting shaft 34 is located at the center of the directional press roll 5; a press roller drive gear 32, a press roller press unit 33; the compacting unit 33 of the compacting roller is a wedge-shaped single body, the compacting unit 33 is uniformly and fixedly arranged on the surface of the compacting roller, and a ridge line at the top of the wedge-shaped forms an included angle of 0-90 degrees with the tangential direction of the circumference of the compacting roller 5. The press units 33 on the press roll correspond one-to-one to the holes on the hole roll 22.
As shown in fig. 1 and 11, the seed guide nozzle 6 includes a mounting hole 34, a concentration port 35, and a flexible seed guide port 36 at the tail.
As shown in fig. 1, the ejector pin type air suction drum 4 is connected to the negative pressure fan through an air pipe via a negative pressure air port at the end of the mounting shaft 23.
The utility model discloses a non-round seed single seed directional seed feeding precision seed metering ware, when carrying out directional seeding, make the seed flow to the step vibration board of vibration seed supply mechanism through adjusting seed case discharge capacity regulating plate, make the seed can realize the forward motion through the effect of vibration exciter, the seed transversely distributes under the effect of step vibration board step, at this moment, the seed forms even thin layer on the step vibration board, under the effect of vibration exciter, flow to the V type between filling kind board and cylinder and fill kind in the region; at the moment, under the action of a V-shaped seed filling area, seeds are transversely distributed, at the moment, a seed discharging plate of the ejector pin type air suction roller is in contact with the small-radius end face of the cam, vulcanized rubber circular arc strips on the seed discharging plate are separated from the hole forming roller under the action of a return spring, at the moment, negative pressure is formed inside the hole forming roller, and the seeds are adsorbed in the hole forming roller. The air suction roller continues to rotate, when the seed plate moves to the seed feeding area, under the action of the long radius surface of the cam, the seed plate and the seed sowing and cleaning protrusions 28 move outwards, the arc length of vulcanized rubber on the seed plate is contacted with the hole forming roller, the seed sowing and cleaning protrusions 28 move outwards and are inserted into the holes, and the seeds flow into the seed guide nozzle under the action of self gravity and the seed sowing and cleaning protrusions 28 along with disappearance of negative pressure in the holes; meanwhile, V-shaped grooves which are uniformly distributed are formed on the seedling raising tray under the pressing action of the directional pressing roller; the flexible seed guiding opening at the tail part of the seed guiding nozzle forms a certain included angle with the seedling raising tray, and seeds flow into the V-shaped groove through the flexible seed guiding opening and are uniformly and flatly laid in the V-shaped groove under the action of gravity. Realizes the accurate directional seeding and seed throwing, and has the characteristic of mechanized single-seed directional seed throwing for the non-round seeds with the seed cleaning requirement.
The device utilizes the principle of transverse seed supply of a thin layer of a vibrating plate, realizes accurate control of the single seed rate of seeding by arranging the air suction roller, the directional press roller and the seed guide nozzle, can accurately perform directional seeding and seed throwing, and is a non-round single seed directional seed throwing precision seed sowing device which realizes the mechanized seed cleaning requirement.
Those not described in detail in this specification are within the skill of the art.
The above is only the feasible embodiment of preferred of the utility model, not therefore the limit the patent scope of the utility model, all the events utilize the equivalent changes made in the contents of the specification and the drawings of the utility model all contain in the protection scope of the utility model.
Claims (10)
1. A non-round seed single-grain directional seed feeding precision seed sowing device comprises a frame (1), a seed box (2), a vibration seed supply mechanism (3), a directional press roller (5), a seed guide nozzle (6) and a seed charging plate (7); it is characterized by also comprising a thimble type air suction roller (4);
the seed box (2) is fixedly arranged at the tail end of the rack (1); the ejector pin type air suction roller (4) is arranged at the upper part of the middle of the rack (1); the seed filling machine comprises a frame (1), a vibration seed supply mechanism (3), a directional press roller (5), a seed guide nozzle (6), a seed filling plate (7), a seed filling plate and a seed feeding mechanism (3), wherein the vibration seed supply mechanism (3) is positioned below the seed box (1) and fixedly arranged on the frame (1), the front end of the vibration seed supply mechanism is provided with a gap with a thimble type air suction roller;
the ejector pin type air suction roller (4) comprises an end cover (19), a seed discharging and cleaning mechanism (25), a hole forming roller (22), a mounting shaft (23) and a cam (24); wherein, the shaped hole drum (22) is provided with uniformly distributed shaped holes, the top of the shaped holes is provided with a hole groove based on the outline of a non-circular seed, and the lower part of the shaped holes is provided with vent holes along the radial direction; an air channel is arranged in the mounting shaft (23), an air hole is formed in the shaft wall corresponding to the hole forming roller, and a negative pressure air interface is arranged at the shaft end of the mounting shaft (23); the cam (24) and the seed sowing and cleaning mechanism (25) are arranged in the hole forming roller (22), the mounting shaft (23) penetrates through the end cover (19), the cam (24) and the seed sowing and cleaning mechanism (25), the cam (24) is fixed on the mounting shaft (23), and two ends of the hole forming roller (22) are sealed by the end cover (19); when the hole forming roller works, the inside of the hole forming roller (22) is in a negative pressure environment, the hole forming roller (22) and a seed sowing and seed cleaning mechanism (25) in the hole forming roller rotate, the mounting shaft (23) and the cam (24) do not rotate, and the cam (24) drives the seed sowing and seed cleaning mechanism (25) to execute actions;
the seed discharging and cleaning mechanism (25) comprises a chute disc (20) and a seed discharging plate (21); wherein, a seeding plate mounting groove (26) is radially arranged on the sliding groove disc (20); the end part of the seed discharging plate (21) is arranged in a seed discharging plate mounting groove (26), the sliding groove disc (20) is sleeved on the mounting shaft (23), the outer end surface of the seed discharging plate (21) is provided with an elastic arc strip (29), the inner end of the seed discharging plate (21) is provided with a cam action end surface (31) which is in surface contact with the cam (24), and the spring mounting end of the seed discharging plate (21) is provided with a return spring;
the directional press roller (5) comprises a press roller, a press unit (33) and a press roller mounting shaft (34); wherein, the press roll installation axle (34) is located the press roll center, and press unit (33) are wedge monomer and even fixed mounting in press roll surface.
2. The precision seed metering device for the single-grain directional seed feeding of the non-round seeds as claimed in claim 1, characterized in that the outer end surface of the seed metering plate (21) is also provided with seed metering and seed cleaning protrusions (28) which are arranged corresponding to the holes on the hole-shaped roller (22), and the seed metering and seed cleaning protrusions (28) can be inserted into or separated from the holes during operation.
3. The non-round seed single-grain directional seed-feeding precision seed-metering device as claimed in claim 1, characterized in that the mounting shaft (23) adopts a hollow shaft with radial holes; sealing rings are arranged between the hole-shaped roller (22) and the end cover (19) and between the end cover (19) and the shaft.
4. The precise seed metering device for the single-grain directional seed feeding of the non-circular seeds as claimed in claim 1, characterized in that the elastic circular arc strip (29) is a vulcanized rubber strip.
5. The precision seed metering device for the single-grain directional seed feeding of the non-round seeds as claimed in claim 1, characterized in that the cam (24) is positioned in a cam accommodating groove (27) at the center of the chute disc (20) and is fixedly mounted on the mounting shaft (23).
6. The non-round seed single-grain directional seed-feeding precision seed-metering device as claimed in claim 1, characterized in that the gap between the front end of the vibration seed-feeding mechanism (3) and the ejector pin type air suction roller is 5-15 mm.
7. The precision seed-metering device for the single-grain directional seed feeding of the non-round seeds as claimed in claim 1 is characterized in that the cam (24) drives the seed-metering seed-cleaning mechanism (25) to perform the action, the cam (24) does not rotate in the process that the seed-metering seed-cleaning mechanism (25) rotates along with the hole-shaped roller (22), the seed-metering plate (21) can slide along the radial direction of the chute disc under the action of the return spring and the cam (24), when the short diameter surface of the cam (24) acts on the seed-metering plate (21), the return spring enables the seed-metering plate (21) to leave the hole-shaped roller (22), the inside of the hole is in a negative pressure environment, and when the long diameter surface of the cam (24) acts on the seed-metering plate (21), the seed-metering plate (21) is enabled to contact with the hole-shaped roller and seal the hole.
8. The non-round seed single-grain directional seed feeding precision seed metering device as claimed in claim 1, characterized in that the press units (34) on the directional press roller correspond to the holes on the hole-forming roller (22) one by one, and the directional press roller (10) is connected with the ejector pin type air suction roller (4) through a chain and rotates synchronously.
9. The precision seed metering device for the single-grain directional seed feeding of the non-round seeds as claimed in claim 1, characterized in that the seed box (2) comprises a fixed box (11), a displacement adjusting plate (12); wherein, a seed box position adjusting groove (14) is arranged on the fixed box (11), and a discharge capacity adjusting long groove is arranged on the discharge capacity adjusting plate (12); the displacement adjusting plate (12) is fixedly mounted on the fixed box (11) through bolts.
10. The single-grain directional seed feeding precision seed metering device of the non-round seeds as claimed in claim 1, characterized in that the vibration seed supply mechanism (3) comprises a step vibration plate (15) and an electromagnetic vibration exciter (16), wherein the front end of the step vibration plate (12) is a continuous step, the rear part is a flat plate, and the flat plate part of the vibration seed supply mechanism (3) is contacted with the vertical plate at the rear part of the lower part of the seed box (1); the lower part of the step vibrating plate (15) is also provided with an installation plate, and the step vibrating plate (15) is fixedly installed on the electromagnetic vibration exciter (16) through the installation plate.
Priority Applications (1)
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CN201420821615.6U CN204362555U (en) | 2014-12-22 | 2014-12-22 | Not rounded seed simple grain orientation is charged seed precision seeder |
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CN201420821615.6U CN204362555U (en) | 2014-12-22 | 2014-12-22 | Not rounded seed simple grain orientation is charged seed precision seeder |
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CN204362555U true CN204362555U (en) | 2015-06-03 |
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CN201420821615.6U Withdrawn - After Issue CN204362555U (en) | 2014-12-22 | 2014-12-22 | Not rounded seed simple grain orientation is charged seed precision seeder |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104488415A (en) * | 2014-12-22 | 2015-04-08 | 中国农业大学 | Directional seed charge precise seeding apparatus for non-round single seeds |
CN109618619A (en) * | 2018-12-29 | 2019-04-16 | 北京农业智能装备技术研究中心 | Seed orients collator and its application method |
-
2014
- 2014-12-22 CN CN201420821615.6U patent/CN204362555U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104488415A (en) * | 2014-12-22 | 2015-04-08 | 中国农业大学 | Directional seed charge precise seeding apparatus for non-round single seeds |
CN109618619A (en) * | 2018-12-29 | 2019-04-16 | 北京农业智能装备技术研究中心 | Seed orients collator and its application method |
CN109618619B (en) * | 2018-12-29 | 2020-05-22 | 北京农业智能装备技术研究中心 | Seed directional sequencing device and using method thereof |
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