CN210137605U - Precise rice seed metering device - Google Patents
Precise rice seed metering device Download PDFInfo
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- CN210137605U CN210137605U CN201920839487.0U CN201920839487U CN210137605U CN 210137605 U CN210137605 U CN 210137605U CN 201920839487 U CN201920839487 U CN 201920839487U CN 210137605 U CN210137605 U CN 210137605U
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 22
- 235000009566 rice Nutrition 0.000 title claims abstract description 22
- 240000007594 Oryza sativa Species 0.000 title abstract 2
- 238000007599 discharging Methods 0.000 claims abstract description 130
- 238000009331 sowing Methods 0.000 claims abstract description 49
- 238000004140 cleaning Methods 0.000 claims description 65
- 241000209094 Oryza Species 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 10
- 238000010899 nucleation Methods 0.000 abstract description 33
- 230000000712 assembly Effects 0.000 description 12
- 238000000429 assembly Methods 0.000 description 12
- 239000000306 component Substances 0.000 description 6
- 230000001680 brushing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000003578 releasing effect Effects 0.000 description 2
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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Abstract
The utility model provides a rice precision seed sowing device in the technical field of agricultural sowing machinery, which comprises a seed sowing shell with a containing cavity, wherein a seed sowing wheel is rotatably connected on the seed sowing shell, a seed inlet is arranged at the upward end of the seed sowing shell, a seed sowing port is arranged at the downward end of the seed sowing shell, a plurality of seed sowing grooves for placing seeds are distributed on the periphery of the seed sowing wheel, a scoop is arranged on the seed sowing wheel beside each seed sowing groove, the scoop faces the seed sowing grooves, and when the seed sowing wheel rotates to sow seeds, the scoop holds the seeds; the seed discharging shell is divided into a seed charging area and a seed discharging area by the seed discharging wheel, seeds put into the seed discharging shell from the seed inlet are discharged from the seed charging area and the seeds entering the seed discharging area from the seed discharging port; the utility model discloses reliable operation, easy operation, the seeding precision is high.
Description
Technical Field
The utility model belongs to the technical field of agricultural seeding machinery, in particular to a seed metering device for seed metering and a method for using the seed metering device to seed.
Background
Direct seeding is one of main planting modes of rice in China, mechanized direct seeding is favorable for improving the quality and the production efficiency of rice seeding, a seed sowing device is a core component of a rice direct sowing machine, and the working performances of precision, uniformity, seed breakage rate and the like of seed sowing have close relation with the structure of the seed sowing device in the seeding process, so the performance of the seed sowing device directly influences the quality of the rice seeding.
In the prior art, a 'scoop wheel type seed sowing device' is disclosed, which is published as 2008.10.01 and published as CN 201123233Y in the patent of Chinese utility model, and comprises a shell, a seed sowing shaft is rotatably connected on the shell, a seed sowing scoop wheel is connected on the seed sowing shaft extending into the shell, a plurality of scooping scoops are arranged on the periphery of the seed sowing scoop wheel, seeds filled from a seed inlet enter the scooping, a cleaning brush for removing redundant seeds on the scooping and a seed protecting groove for preventing the seeds from falling out of the scooping during seed sowing are also connected in the shell, the seeds move downwards to the lower port of the seed protecting groove to be discharged, although the scooping can hold the seeds, the seeds which are not in the scooping groove are easy to fall out from the front and back sides, and the same amount of seeds are required to be continuously filled from the seed inlet to make the corresponding scooping, the seeds fall out, the operation is troublesome, the seeds which are not cleaned can, the seeds in the scoop are not uniform, and the sowing precision is not high.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses an solve troublesome poeration's technical problem among the prior art, the utility model provides a smart volume seed metering ware of rice, the utility model discloses reliable operation, easy operation, the seeding precision is high.
The purpose of the utility model is realized like this: the utility model provides a smart volume seed metering ware of rice, is including having the seed metering casing that holds the chamber, rotationally be connected with the seed metering wheel on the seed metering casing, seed metering casing one end up is opened there is the seed inlet, and seed metering casing one end down is opened there is the seed metering mouth, its characterized in that: a plurality of seed grooves for placing seeds are distributed on the periphery of the seed discharging wheel, a scoop is arranged on the seed discharging wheel beside each seed groove and faces the seed grooves, and the scoop supports the seeds when the seed discharging wheel rotates for seed discharging; the seed discharging shell is divided into a seed charging area and a seed discharging area by the seed discharging wheel, seeds put into the seed discharging shell from the seed inlet are discharged from the seed charging area, and the seeds entering the seed discharging area are discharged from the seed discharging port.
In order to clear seeds clamped by the scoop, a seed cleaning shaft is rotatably connected to the seed discharging shell corresponding to the seed charging area, a seed cleaning brush is rotatably connected to the seed cleaning shaft, the outer edge of the seed cleaning brush is tangent to the outer contour of the seed discharging wheel, and the seed cleaning brush is close to the top of the outer edge of the seed discharging wheel; the scoop is connected with a rotatable seed discharging door which can rotate towards the direction of the seed discharging groove; in this design, when the scoop rotates to the upper left of the housing, the seed cleaning brush brushes the seeds inside the scoop into the seed charging area, and only the seeds in the seed discharging groove are retained.
In order to further increase the fluidity of the seeds, the scoop comprises a fixed part, a fixed page is fixedly connected to the fixed part, a fixed shaft is connected to the fixed page, two outward ends of the fixed shaft are rotatably connected with movable pages, the movable pages are fixedly connected with the seed discharging door, and the movable pages face the seed discharging groove; in the design, when the seed sowing wheel rotates and the scoop in the seed filling area rotates upwards, the movable page is pressed against the fixed part under the pushing action of the seeds at the upper part, the scoop increases the fluidity of the seeds, the seeds are convenient to fill into the seed sowing groove, and the difficult problem that the seeds are difficult and uneven to enter the seed sowing groove is solved.
In order to further avoid seed clamping, the seed cleaning brush is composed of a plurality of groups of first bristle assemblies and second bristle assemblies which are arranged along the outer edge of the seed cleaning shaft, each first bristle assembly is composed of a plurality of first bristles which are arranged along the axial direction of the seed cleaning shaft, the first bristles can be tangent to the outer contour of the seed sowing wheel, each group of second bristle assemblies is close to each other, at least two groups of the second bristle assemblies are arranged, each second bristle assembly comprises a plurality of second bristles which are arranged along the axial direction of the seed cleaning shaft, the end parts, far away from the seed cleaning shaft, of the second bristles are provided with seed pushing parts which can be tangent to the outer contour of the seed sowing wheel, when one scoop rotates to the position which can be contacted with the seed cleaning brush, the seed pushing parts rotate towards the seed sowing door and can push the seed sowing door to the direction of the seed sowing groove, and in the two adjacent groups of second bristle assemblies, the seed pushing; in this design, when a bailing rotates to the seed brush downside, the brush hair of brush hair subassembly one will bailing the seed row of holding of spoon to filling kind of district in, simultaneously, the direction of rotation and the slew velocity of control seed clearing axle make the rotational speed of seed clearing axle be greater than the rotational speed of seed metering wheel, push away seed portion fast turn to the seed metering door position that corresponds with this bailing spoon, push away seed portion and promote the seed metering door and rotate towards seed metering groove place direction, the seed metering door will bailing the spoon hold and not pushed to the seed metering inslot by the discharged seed, further avoid the card kind of spoon.
In order to prevent seeds in the seed charging area from entering the seed discharging area, the inner wall of the seed discharging shell right below the seed discharging wheel is connected with a seed blocking brush, bristles of the seed blocking brush are tangent to the outer contour of the seed discharging wheel, and the two ends of the seed blocking brush are respectively the seed charging area and the seed discharging area; in the design, the seed charging area and the seed discharging area are mutually independent and do not influence each other through the seed discharging wheel, the seed blocking brush and the inner wall of the shell, and precision seeding is further realized.
In order to prevent seeds from falling into a shell corresponding to the seed discharging area, a seed protecting band is connected in the seed discharging area, one end of the seed protecting band abuts against the top of the outer edge of the seed discharging wheel, the other end of the seed protecting band extends towards the direction of the seed discharging port, the seed discharging port is arranged below the seed protecting band, one side of the seed protecting band facing the seed discharging wheel is coaxial with the seed discharging wheel, and the gap between one side of the seed protecting band arranged relative to the seed discharging wheel and the outer side of the seed discharging wheel is not more than 4 mm; in the design, the seed protecting belt protects the seeds and prevents the seeds from falling in advance, the gap between the seed sowing wheel and the seed protecting belt is smaller than the width of the seeds, the seed clamping phenomenon cannot occur, when the seed protecting belt rotates to a seed falling area right above the seed sowing port, the seeds can be discharged from the seed groove and fall into the seed ditch through the seed sowing port.
As a further improvement of the utility model, the seed metering shell corresponding to the seed filling area is internally connected with a seed limiting plate, and the downward end part of the seed limiting plate is arc-shaped.
In order to facilitate discharging, a discharging plate is inserted on the seed discharging shell below the seed charging area; after seeding is finished, the seed discharging plate is pulled out, and the seeds fall down from the shell.
When the utility model is used for seeding, (1) preparation work: adjusting the position of the seed cleaning brush to ensure that the first bristle component is tangent to the outer contour of the seed sowing wheel in an initial state, and the second bristle component is far away from the seed sowing wheel and the seed pushing part can face the other end of the seed sowing door; (2) seed releasing action: placing the seeds into a seed filling area along the seed inlet, and filling enough seeds into the seed filling area of the seed limiting plate facing to the seed sowing wheel; (3) seeding action: when a first scoop rotates to the lower side of a seed cleaning brush, the bristles of the bristle assembly I discharge seeds held by the scoop into a seed charging area, meanwhile, a second motor driving a seed cleaning shaft to rotate is controlled to rotate, the rotating direction and the rotating speed of the second motor are controlled, the rotating speed of a seed cleaning shaft is at least 1.5 times of that of the seed cleaning wheel, a seed pushing part rotates rapidly to the position of a seed cleaning door corresponding to the scoop, the seed pushing part pushes a seed cleaning door to rotate towards the direction of a seed cleaning groove, the seeds which are not discharged and held by the scoop are pushed into the seed cleaning groove, the second motor acts reversely, the seed cleaning shaft returns to the original position, and the second motor stops acting; judging whether the seeding is finished or not, and if the seeding is not finished, repeatedly executing the seed discharging step; otherwise, the first motor and the second motor do not do any action; wherein, one end of the seed discharging door faces the seed discharging groove.
In addition, the seed discharging plate in the utility model is in a ladder shape, the bottom of the shell is provided with a seed discharging port, the seed discharging plate is inserted on the shell through the seed discharging port, and the upper side of the seed discharging plate is flush with the upward side of the inner wall of the shell to prevent seed clamping; the seed cleaning brush is connected to the seed cleaning shaft through a flat key; the upper part of the seed metering shell is provided with a limiting groove for inserting the seed limiting plate, the upper part of the seed limiting plate is provided with a limiting step, the limiting step is abutted on the seed metering shell through the limiting groove, and the height of the limiting groove can be adjusted according to actual needs so as to adjust the height of the seed limiting plate and meet the seeding requirements of different rice varieties; the utility model discloses for prior art have following technological effect: the combined arrangement of the scooping spoon and the seed discharging groove increases the fluidity of the seeds, so that the seeds are uniformly filled into each seed groove, and the precision seeding is realized; the seed cleaning brush and the scooping spoon are combined, the first brushing component firstly cleans seeds clamped in a scooping spoon opening in a seed filling area, the second brushing component pushes the seed pushing part to push the seed discharging door, and the seed discharging door pushes the seeds clamped in the scooping spoon to the seed discharging groove, so that the seeds are thoroughly cleaned, and the seeding accuracy is further improved; the seeds are only required to be filled into the seed filling area regularly, the seeds do not need to be filled into the seed filling area continuously, and the operation is convenient; can be applied to the seeding work, in particular to the rice seeding work.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a view from a-a direction of the present invention.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a partially enlarged view of C in fig. 3.
Fig. 6 is a three-dimensional structure diagram of the seed cleaning brush of the present invention.
Fig. 7 is a partial enlarged view of fig. 6 at D.
Fig. 8 is a partial enlarged view at E in fig. 7.
Fig. 9 is a perspective view of the present invention.
FIG. 10 is a structural view of the seed discharging wheel of the present invention.
FIG. 11 is a partial cross-sectional view of the seed wheel of the present invention.
Fig. 12 is a front view of the middle scoop of the present invention.
In the figure: 1 seed resistance brush, 2 seed discharging plates, 3 front bearings, 4 seed cleaning brushes, 401 brush hair component I, 401a brush hair I, 402 brush hair component II, 402a brush hair II, 402b seed pushing part, 5 seed cleaning shafts, 6 seed limiting plates, 7 seed metering shell, 701 seed charging area, 702 seed metering area, 8 flat key I, 9 seed metering wheel, 9a scoop, 9a1 fixed part, 9a2 fixed page, 9a3 fixed shaft, 9a4 movable page, 9a5 seed metering door, 9b seed metering groove, 10 seed protecting band, 11 rear bearings, 12 bearing end covers, 13 fastening bolts, 14 seed metering shaft, 15 flat key II, 16 seed metering ports, 17 motor I and 18 motor II.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 12, a precision rice seed metering device comprises a seed metering shell 7 with a containing cavity, a seed metering shaft 14 is rotatably connected to the seed metering shell 7, the seed metering shaft 14 extending into the seed metering shell 7 is connected with a seed metering wheel 9 through a flat key I8, one end of the seed metering shaft 14 is connected to the front part of the seed metering shell 7 through a front bearing 3, a bearing end cover 12 capable of extending into the seed metering shell 7 is connected to the rear side of the seed metering shell 7, a rear bearing 11 is installed in the bearing end cover 12, the other end of the seed metering shaft 14 is connected with the seed metering shell 7 through the rear bearing 11, and the bearing end cover 12 is fixedly connected to the rear side of the seed metering shell 7 by using a fastening bolt 13; the upward end of the seed discharging shell 7 is provided with a seed inlet, the downward end of the seed discharging shell 7 is provided with a seed discharging port 16, a plurality of seed discharging grooves 9b for placing seeds are distributed on the periphery of the seed discharging wheel 9, a scoop 9a is arranged on the seed discharging wheel 9 beside each seed discharging groove 9b, the scoop 9a faces the seed discharging grooves 9b, and when the seed discharging wheel 9 rotates to discharge seeds, the scoop 9a holds the seeds; the seed discharging shell 7 is divided into a seed charging area 701 and a seed discharging area 702 through the seed discharging wheel 9, seeds put into the seed discharging shell 7 from the seed inlet are discharged from the seed discharging port 16 in the seed charging area 701, and the seeds entering the seed discharging area 702 are discharged from the seed discharging port 16; a seed limiting plate 6 is connected in the seed discharging shell 7 corresponding to the seed charging area 701, and the downward end part of the seed limiting plate 6 is in an arc shape; the included angle between the central axis of the seed discharging groove 9b and the central axis of the seed discharging wheel 9 is 35 degrees (as shown in figure 10), and the included angle between the central axis of the seed discharging groove 9b and the central axis of the seed discharging wheel 9 is larger than the natural repose angle of the seeds, so that the seeds can be conveniently charged into the seed discharging groove 9 b.
In order to clear seeds clamped by the scooping spoon 9a, a seed cleaning shaft 5 is rotatably connected to the seed discharging shell 7 corresponding to the seed filling area 701, a seed cleaning brush 4 is rotatably connected to the seed cleaning shaft 5, the outer edge of the seed cleaning brush 4 is tangent to the outer contour of the seed discharging wheel 9, and the seed cleaning brush 4 is close to the top of the outer edge of the seed discharging wheel 9; the scoop 9a is connected with a rotatable seeding door 9a5, and the seeding door 9a5 can rotate towards the seeding groove 9 b; the scoop 9a includes a fixing portion 9a1, a fixed leaf 9a2 is fixedly connected to the fixing portion 9a1, a fixed shaft 9a3 is connected to the fixed leaf 9a2, a movable leaf 9a4 is rotatably connected to two outward ends of the fixed shaft 9a3, the movable leaf 9a4 is fixedly connected to the seed discharge door 9a5, and the movable leaf 9a4 faces the seed discharge groove 9b (the front view in fig. 8 is a view seen from the seed discharge groove 9b to the direction of the scoop 9 a).
In order to further avoid seed clamping, the seed cleaning brush 4 comprises a plurality of groups of first bristle assemblies 401 and second bristle assemblies 402 which are arranged along the outer edge of the seed cleaning shaft 5, the first bristle assemblies 401 are composed of a plurality of first bristles 401a which are arranged along the axial direction of the seed cleaning shaft 5, the first bristles 401a can be tangent to the outer contour of the seed metering wheel 9, the bristle assemblies 402 of each group are close to each other, the bristle assemblies 402 are provided with ten groups, the bristle assemblies 402 comprise a plurality of second bristles 402a which are arranged along the axial direction of the seed cleaning shaft 5, the end parts, far away from the seed cleaning shaft 5, of the second bristles 402a are provided with seed pushing parts 402b, the seed pushing parts 402b can be tangent to the outer contour of the seed metering wheel 9, when one scoop 9a rotates to the position where the scoop cleaning brush 4 can be contacted, the seed pushing parts 402b face the seed metering door 9a5 and can push the seed metering door 9a5 to rotate towards the seed metering groove 9b, and in the two adjacent groups of the bristle assemblies 402, the seed cleaning brush 402, the seed And (4) placing.
In order to prevent seeds in the seed charging area 701 from entering the seed discharging area 702, the inner wall of the seed discharging shell 7 right below the seed discharging wheel 9 is connected with a seed blocking brush 1, bristles of the seed blocking brush 1 are tangent to the outer contour of the seed discharging wheel 9, and the two ends of the seed blocking brush 1 are respectively the seed charging area 701 and the seed discharging area 702; the seed metering shell 7 is internally connected with a seed protecting band 10, the seed protecting band 10 is arranged in the seed metering area 702, one end of the seed protecting band 10 is close to the top of the outer edge of the seed metering wheel 9, the other end of the seed protecting band 10 extends towards the direction of the seed metering opening 16, the seed metering opening 16 is arranged below the seed protecting band 10, one side of the seed protecting band 10 facing the seed metering wheel 9 is coaxial with the seed metering wheel 9, and the gap between one side of the seed protecting band 10, which is arranged opposite to the seed metering wheel 9, and the outer side of the seed metering wheel 9 is not more.
In order to facilitate discharging, a discharging plate 2 is inserted on the seed discharging shell 7 below the seed charging area 701; after seeding is finished, the seed discharging plate 2 is pulled out, and the seeds fall down from the shell.
When the utility model is used for seeding, the utility model specifically comprises the following seed metering steps: (1) preparation work: adjusting the position of the seed cleaning brush 4 to ensure that the first bristle assembly 401 is tangent to the outer contour of the seed sowing wheel 9 in the initial state, the second bristle assembly 402 is far away from the seed sowing wheel 9, and the seed pushing part 402b can face the other end of the seed sowing door 9a 5; (2) seed releasing action: placing seeds into a seed filling area 701 along a seed inlet, and filling enough seeds into the seed filling area 701 of the seed limiting plate 6 facing to the seeding wheel 9; (3) seeding action: when a scoop 9a rotates to the lower side of the seed cleaning brush 4, the brush of the brush component I401 discharges seeds held by the scoop 9a into the seed charging area 701, meanwhile, the motor II 18 driving the rotating of the seed cleaning shaft 5 rotates, the rotating direction and the rotating speed of the motor II 18 are controlled, the rotating speed of the seed cleaning shaft 5 is at least 1.5 times of the rotating speed of the seed cleaning wheel 9, the seed pushing part 402b rotates fast to the position of a seed cleaning door 9a5 corresponding to the scoop 9a, the seed pushing part 402b pushes the seed cleaning door 9a5 to rotate towards the direction of the seed cleaning groove 9b, the seeds which are not discharged and held by the scoop 9a are pushed into the seed cleaning groove 9b, the motor II 18 acts reversely, the seed cleaning shaft 5 returns to the original position, and the motor II 18 stops acting; judging whether the seeding is finished or not, and if the seeding is not finished, repeatedly executing the seed discharging step; otherwise, the first motor 17 and the second motor 18 do not do any action; wherein, one end of the seed sowing door 9a5 faces the seed sowing groove 9b, and the first motor 17 and the second motor 18 are both fixedly connected on the frame of the agricultural machine.
In addition, the seed discharging plate 2 in the utility model is in a ladder shape, the bottom of the shell is provided with a seed discharging port, the seed discharging plate 2 is inserted on the shell through the seed discharging port, and the upper side of the seed discharging plate 2 is flush with the upward side of the inner wall of the shell to prevent seed clamping; the seed cleaning brush 4 is connected to the seed cleaning shaft 5 through a flat key II 15; the upper part of the seed discharging shell 7 is provided with a limiting groove for inserting the seed limiting plate 6, the upper part of the seed limiting plate 6 is provided with a limiting step, the limiting step is abutted on the seed discharging shell 7 through the limiting groove, the height of the limiting groove can be adjusted according to actual needs so as to adjust the height of the seed limiting plate 6 and meet the seeding requirements of different rice varieties; the utility model discloses for prior art have following technological effect: the combination of the scooping spoon 9a and the seed discharging grooves 9b increases the fluidity of the seeds, so that the seeds are uniformly charged into each seed discharging groove 9b, and the precise seeding is realized; the seed cleaning brush 4 and the scoop 9a are combined, the first bristle assembly 401 firstly cleans the seeds clamped in the opening of the scoop 9a in the scoop 9a to the seed charging area 701, the second bristle assembly 402 pushes the seed pushing part 402b to push the seed discharging door 9a5, the seed discharging door 9a5 pushes the seeds clamped in the scoop 9a to the seed discharging groove 9b, the seeds are thoroughly cleaned, and the seeding accuracy is further improved; the seeds are only required to be filled into the seed filling area 701 regularly, the seeds do not need to be filled into the seed filling area 701 continuously, and the operation is convenient; can be applied to the seeding work, in particular to the rice seeding work.
While particular embodiments of the present invention have been described, it is to be understood that the present invention is not limited to the precise embodiments described above, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (8)
1. The utility model provides a smart volume seed metering ware of rice, is including having the seed metering casing that holds the chamber, rotationally be connected with the seed metering wheel on the seed metering casing, seed metering casing one end up is opened there is the seed inlet, and seed metering casing one end down is opened there is the seed metering mouth, its characterized in that: a plurality of seed grooves for placing seeds are distributed on the periphery of the seed discharging wheel, a scoop is arranged on the seed discharging wheel beside each seed groove and faces the seed grooves, and the scoop supports the seeds when the seed discharging wheel rotates for seed discharging; the seed discharging shell is divided into a seed charging area and a seed discharging area by the seed discharging wheel, seeds put into the seed discharging shell from the seed inlet are discharged from the seed charging area, and the seeds entering the seed discharging area are discharged from the seed discharging port.
2. The precision seed-metering device for rice according to claim 1, characterized in that: the seed sowing shell is rotatably connected with a seed cleaning shaft, the seed cleaning shaft is rotatably connected with a seed cleaning brush, the outer edge of the seed cleaning brush is tangent to the outer contour of the seed sowing wheel, and the seed cleaning brush is close to the top of the outer edge of the seed sowing wheel; the scooping spoon is connected with a rotatable seed discharging door which can rotate towards the direction of the seed discharging groove.
3. The precision seed-metering device for rice according to claim 2, characterized in that: the scooping spoon comprises a fixing portion, a fixed page is fixedly connected to the fixing portion, a fixed shaft is connected to the fixed page, movable pages are rotatably connected to two ends, facing outwards, of the fixed shaft, and are fixedly connected with the seed discharging door, and the movable pages face the seed discharging groove.
4. The precision seed-metering device for rice according to claim 3, characterized in that: the seed cleaning brush is composed of a plurality of groups of first bristle components and second bristle components, wherein the first bristle components and the second bristle components are arranged along the outer edge of a seed cleaning shaft, the first bristle components are composed of a plurality of first bristles which are arranged along the axial direction of the seed cleaning shaft, the first bristle components can be tangent to the outer contour of a seed discharging wheel, the second bristle components are close to each other, the second bristle components are at least provided with two groups, the second bristle components comprise a plurality of second bristles which are arranged along the axial direction of the seed cleaning shaft, the end parts, far away from the seed cleaning shaft, of the second bristles are provided with a seed pushing part, the seed pushing part can be tangent to the outer contour of the seed discharging wheel, when one scooping spoon rotates to the position where the seed cleaning brush contacts, the seed pushing part rotates towards a seed discharging door and can push the seed discharging door to the direction of a seed discharging groove, and in.
5. The precision seed-metering device for rice according to claim 1, characterized in that: the inner wall of the seed discharging shell under the seed discharging wheel is connected with a seed blocking brush, bristles of the seed blocking brush are tangent to the outer contour of the seed discharging wheel, and two ends of the seed blocking brush are respectively a seed charging area and a seed discharging area.
6. The precision seed-metering device for rice according to any one of claims 1-5, characterized in that: the seed metering device is characterized in that a seed protecting band is connected in the seed metering shell and is arranged in the seed metering area, one end of the seed protecting band abuts against the top of the outer edge of the seed metering wheel, the other end of the seed protecting band extends towards the direction of a seed metering opening, the seed metering opening is arranged below the seed protecting band, one side of the seed protecting band, which faces the seed metering wheel, is coaxial with the seed metering wheel, and the gap between one side of the seed protecting band, which is arranged relative to the seed metering wheel, and the outer side of the seed.
7. The precision seed-metering device for rice according to any one of claims 1-5, characterized in that: the seed metering shell corresponding to the seed charging area is internally connected with a seed limiting plate, and the downward end part of the seed limiting plate is in an arc shape.
8. The precision seed-metering device for rice according to any one of claims 1-5, characterized in that: a seed discharging plate is inserted on the seed discharging shell below the seed charging area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839487.0U CN210137605U (en) | 2019-06-05 | 2019-06-05 | Precise rice seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920839487.0U CN210137605U (en) | 2019-06-05 | 2019-06-05 | Precise rice seed metering device |
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| Publication Number | Publication Date |
|---|---|
| CN210137605U true CN210137605U (en) | 2020-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920839487.0U Active CN210137605U (en) | 2019-06-05 | 2019-06-05 | Precise rice seed metering device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073781A (en) * | 2019-06-05 | 2019-08-02 | 安徽农业大学 | A kind of rice precise seeder and its seed feeding method |
| CN111448876A (en) * | 2020-04-10 | 2020-07-28 | 南京信息职业技术学院 | Automatic sowing method |
-
2019
- 2019-06-05 CN CN201920839487.0U patent/CN210137605U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110073781A (en) * | 2019-06-05 | 2019-08-02 | 安徽农业大学 | A kind of rice precise seeder and its seed feeding method |
| CN111448876A (en) * | 2020-04-10 | 2020-07-28 | 南京信息职业技术学院 | Automatic sowing method |
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