CN213368620U - Device for accurately sowing small granular seeds - Google Patents

Abstract

The utility model provides an accurate device of sowing of little graininess seed, this kind of accurate device of sowing of little graininess seed includes: frame, seed metering device, connecting axle and land wheel, the intermediate position and the vehicle connection on a frame long limit, be equipped with the pivot in the seed metering device, the pivot both ends are equipped with the external screw thread, a plurality of seed metering devices are respectively with the bolt fastening in the frame, the last pivot of installing of seed metering device, the pivot both ends are equipped with the external screw thread, connecting axle one end is equipped with the internal thread hole of cooperation external screw thread, fix the land wheel on the connecting axle through bolted connection, the internal thread of pivot is connected with the external screw thread fit of connecting axle, makes land wheel and seed metering device fixed connection, the utility model provides a pair of device of the accurate seeding of granular seed of millet, easy operation requires lowly to the user, simple structure, low in production cost.

Description

Device for accurately sowing small granular seeds

Technical Field

The utility model belongs to the technical field of agricultural machine, more specifically say, relate to a device of accurate seeding of little graininess seed.

Background

Sowing is an important link of crop cultivation, namely sowing materials are sown into soil layers with proper depth and type according to a certain mode and quantity at a specific time interval, and the sowing is also a primary link of agricultural operation. In the modern rapid development of science and technology, various seeding machines replace the traditional manpower and animal labor operation, the automation is used at present to improve the seeding quality, but the automatic seeding machine has higher requirements on users, the machine is easy to damage in case of misoperation, the cost is higher, the popularization degree is narrower, and the requirements of the users are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of accurate seeding of little graininess seed aims at solving the problem that automatic seeding machine requires highly to the user, and manufacturing cost is high.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a device for accurately sowing small granular seeds, comprising:

the frame is detachably connected with the vehicle;

the seed discharging device is provided with a rotating shaft, external threads are arranged at two ends of the rotating shaft, and the seed discharging device is connected with the rack;

one end of the connecting shaft is provided with an internal threaded hole matched with the external thread;

the land wheel is connected with the connecting shaft and used for driving the seed metering device to rotate inside for seeding.

Preferably, the seed metering device comprises:

the shell is provided with a seed discharging hole and a connecting hole and is connected with the rack;

the pocket wheel is arranged in the shell, the rotating shaft is arranged on the pocket wheel, the rotating shaft penetrates through the connecting hole, and the connecting hole is connected with the rotating shaft in a matched mode through a bearing;

and the seed discharging pipe is connected with the seed discharging hole.

Preferably, the seed metering device further comprises a brush, the brush is arranged above the pocket wheel, a brush head of the brush is connected with the pocket wheel in a sliding mode, a brush handle is connected with the shell, and the brush is used for cleaning redundant seeds on the pocket wheel.

Preferably, the pocket wheel comprises:

a first outer layer ring;

a second outer layer ring;

the middle layer is an outer ring wavy circular ring, the wave trough is a cell, the wave crest is internally tangent to the outer ring surfaces of the first outer layer circular ring and the second outer layer circular ring, and the first outer layer circular ring, the second outer layer circular ring and the middle layer are connected through the rotating shaft.

Preferably, the seed metering device further comprises a leakage repairing device, the leakage repairing device is located above the pocket wheel and is arranged in front of the brush, one end of the leakage repairing device rolls on the middle layer, the other end of the leakage repairing device is connected with the shell in a sliding mode, and the leakage repairing device is used for supplementing seeds lacking in the pockets.

Preferably, the leakage repairing device comprises:

a roller in rolling connection with the intermediate layer;

the lower end of the square plate is provided with a connecting part matched with the roller, the connecting part is rotationally connected with the roller, and the square plate is connected with the shell in a sliding manner;

the leakage repairing box is arranged in the shell and is used for containing the seeds;

and one end of the leakage box baffle is connected with the square plate, the other end of the leakage box baffle is connected with the leakage repairing box in a sliding manner, and the leakage box baffle is used for controlling the switch of the leakage repairing box.

Preferably, the seed metering device further comprises an elastic element, the elastic element is arranged between the pocket wheel and the shell, and the elastic element is used for relieving the impact of the pocket wheel on the shell.

Preferably, the elastic member is a rubber pad for reducing the rotating friction of the cell wheel.

Preferably, the seeder further comprises a ditching device, wherein the ditching device is connected with the rack and is arranged in front of the seed metering device, and the ditching device is used for ditching soil ditches with a certain depth on the cultivated land.

Preferably, the seed metering device further comprises a soil covering device, wherein the soil covering device is connected with the rack and is arranged behind the seed metering device, and the soil covering device is used for covering the seeds by covering scattered soil in a ditch.

The utility model provides a pair of device of accurate seeding of little graininess seed's beneficial effect lies in: compared with the prior art, the utility model relates to a device of accurate seeding of small-particle-shaped seed includes: frame, seed metering device, connecting axle and land wheel, frame and vehicle can be dismantled and be connected, can weld in the frame with pin junction's fastener, through fastener and pin junction, realize that the vehicle drives the frame, the connected mode also can be connected with bolted connection through connecting piece and bolt cooperation and make the frame can dismantle with the vehicle and be connected, as long as can realize that frame and vehicle can dismantle and be connected, all be within this application protection range. The device for accurately sowing the small granular seeds is simple in structure, is purely mechanically driven, does not relate to automatic equipment, and reduces production cost; this kind of device of accurate seeding of tiny particle form seed, the operation is simple to be low to the user requirement. In order to ensure that the device for accurately sowing the small granular seeds runs stably, the device for accurately sowing the small granular seeds has at least two land wheels, the two land wheels are respectively matched and connected with the two ends of the rotating shaft through internal threads and external threads, the whole structure is symmetrical, and the width between the adjacent land wheels is ridge width.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a device for accurately sowing small granular seeds according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a seed metering device provided in an embodiment of the present invention;

fig. 3 is an opening schematic view of a leak repairing apparatus provided in an embodiment of the present invention;

fig. 4 is a schematic closing view of a leakage repairing device provided in an embodiment of the present invention;

fig. 5 is a schematic view of the working principle of the seed metering device provided by the embodiment of the present invention.

In the figure: 1. a frame; 2. a seed metering device; 21. a rotating shaft; 22. a housing; 221. a U-shaped shell; 2221. a baffle plate; 22211. a leak hole; 2222. a U-shaped body; 2223. connecting columns; 222. a U-shaped cover; 223. a square cover; 23. a pocket wheel; 231. a first outer circle; 232. a second outer layer ring; 233. an intermediate layer; 2331. making cells; 24. a bearing; 25. a seed discharge pipe; 26. a brush; 27. a leak repairing device; 271. a roller; 272. a square plate; 273. a leakage repairing box; 274. a leakage box baffle; 275. mounting a plate; 28. an elastic member; 3. a connecting shaft; 4. a land wheel; 5. a ditching device; 51. a first connecting rod; 52. ditching disc; 6. a soil covering device; 61. a second connecting rod; 62. a circular plate; 7. and (4) seeds.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and 5, a device for accurately sowing small granular seeds according to the present invention will now be described. The device for accurately sowing the small granular seeds comprises: frame 1, seed metering device 2, connecting axle 3 and land wheel 4, frame 1 can be dismantled with the vehicle and be connected, can weld the fastener with pin junction in frame 1, through fastener and pin junction, realizes that the vehicle drives frame 1, and the connected mode also can be connected through connecting piece and bolt cooperation and make frame 1 can dismantle with the vehicle and be connected, as long as can realize frame 1 can dismantle with the vehicle and be connected, all within this application protection scope. The seed metering device 2 is provided with a rotating shaft 21, both ends of the rotating shaft 21 are provided with external threads, the seed metering device 2 is respectively connected and fixed with the frame 1 through bolts, the rotating shaft 21 is arranged on the seed metering device 2, both ends of the rotating shaft 21 are provided with external threads, one end of the connecting shaft 3 is provided with an internal thread hole matched with the external threads, the land wheel 4 is fixed on the connecting shaft 3 through bolt connection, the internal threads of the rotating shaft 21 are matched and connected with the external threads of the connecting shaft 3, so that the land wheel 4 is fixedly connected with the seed metering device 2, when in seeding, the vehicle walks to pull the land wheel 4 to rotate, the land wheel 4 rotates to drive the connecting shaft 3 to rotate, the connecting shaft 3 drives the rotating shaft 21 to rotate, the rotating shaft 21 makes the inside of the seed metering device 2 rotate, so that seeds 7 are discharged from the seed metering device 2 along the vehicle traveling direction for seeding, therefore, the production cost is reduced; this kind of device of accurate seeding of tiny particle form seed, the operation is simple to be low to the user requirement. In order to ensure that the device for accurately sowing the small granular seeds runs stably, the device for accurately sowing the small granular seeds has at least two land wheels 4, the two land wheels 4 are respectively fixed on two connecting shafts 3, the two connecting shafts 3 are respectively matched and connected with the two ends of a rotating shaft 21 through internal threads and external threads, the whole structure is symmetrical, and the width between the adjacent land wheels 4 is the ridge width.

Example two

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5 together, the structure of the apparatus for accurately sowing small granular seeds provided by the present embodiment is substantially the same as that of embodiment 1, except that the structure of the connecting shaft 3 and the number of the seed sowing devices 2 and the land wheels 4 are different, both ends of the connecting shaft 3 are respectively provided with an internal threaded hole for matching with the external thread of the rotating shaft 21, two land wheels 4 are installed at intervals, three seed sowing devices 2 are fixed to the frame 1 by bolts, the distance between adjacent seed sowing devices 2 is ridge width, the rotating shaft 21 is installed on the seed sowing device 2, one end of the connecting shaft 3 is connected with one end of the rotating shaft 21 in a threaded fit manner, the other end of the connecting shaft 3 is connected with one end of another rotating shaft 21 in a threaded fit manner, two land wheels 4 are installed at intervals, one land wheel 4 is fixedly connected to each connecting shaft 3 by bolts, the width between the adjacent land wheels 4 is ridge width, the rotating shaft 21 is connected with the connecting shaft 3 through thread fit, so that the land wheels 4 are fixedly connected with the seed metering devices 2, the device for accurately seeding the small granular seeds is characterized in that two land wheels 4 and three seed metering devices 2 are arranged at intervals, three ridges can be seeded at one time, the seeding speed is increased, the seeding time is saved, a plurality of groups of land wheels 4 and seed metering devices 2 can be added according to the actual seeding condition, the device for accurately seeding the small granular seeds has high use flexibility, the widths between the land wheels 4 and between the seed metering devices 2 can be freely adjusted according to the width of the ridges under the actual condition, and the seeding precision of the device for accurately seeding the small granular seeds is improved; the device for accurately sowing the small granular seeds has a simple structure, is driven by pure machinery, does not relate to automation equipment, and therefore reduces the production cost.

The utility model provides a device of accurate seeding of tiny particle form seed, seed metering device 2 still include mounting panel 275 around, and frame 1 is the rectangle frame, and the fixed plate of cooperation mounting panel 275 is installed respectively on two long limits of rectangle frame to through bolt fixed connection, the long limit intermediate position and the vehicle of rectangle frame can be dismantled and be connected, steady operation and connection are firm when making the device of accurate seeding of this kind of tiny particle form seed.

EXAMPLE III

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to fig. 5, the structure of the apparatus for accurately sowing small granular seeds provided in this embodiment is substantially the same as that of embodiment 1, and the difference is that the structure of the seed sowing device 2, and the seed sowing device 2 includes: a shell 22, a cell wheel 23, a bearing 24 and a seed tube 25, wherein the lower end of the shell 22 is provided with a seed hole, the left end and the right end of the shell 22 are provided with connecting holes, the front end and the back end of the shell 22 are connected with the frame 1 through bolts, the cell wheel 23 is arranged in the shell 22, the cell wheel 23 is internally provided with a rotating shaft 21, the rotating shaft 21 passes through the connecting holes, the connecting holes are connected with the rotating shaft 21 through the bearing 24 in a matching way, the inner ring surface of the bearing 24 is tightly attached with the rotating shaft 21, the outer ring surface of the bearing 24 is tightly attached with the connecting holes, the seed tube 25 is welded and fixed with the seed hole, the seed 7 is filled in the shell 22 above the cell wheel 23, a vehicle pulls the frame 1 to enable the land wheel 4 to rotate and walk during seeding, the land wheel 4 rotates to drive the connecting shaft 3 to rotate, the connecting shaft 3 drives the rotating shaft 21 to rotate, the seed tube 23 rotates along with the rotating shaft 21, the, the seed discharging pipe 25 discharges and seeds 7, and the rotating shaft 21 of the device for accurately sowing the small granular seeds is connected with the connecting hole through the bearing 24, so that the pocket wheel 23 can smoothly rotate, the resistance of the rotating shaft 21 is reduced, and the seeds 7 are uniformly sown.

Specifically, a device for accurately sowing small granular seeds, a pocket wheel 23 and a rotating shaft 21 are integrated to increase connection stability, a shell 22 comprises a square cover 223, a U-shaped shell 221 and a U-shaped cover 222, the U-shaped shell 221 is provided with a baffle 2221 and a connecting column 2223, the U-shaped cover 222 is provided with a connector matched with the connecting column 2223, the lower end of the baffle 2221 is matched with the pocket wheel 23 in an arc manner, the seeds 7 drop off when the pocket wheel 23 rotates clockwise and downwards, the front baffle 2221 and the rear baffle 2221 are provided with slopes, so that the seeds 7 can flow into the pocket wheel 23 along the slope direction, the sowing of the seeds 7 is avoided being influenced by dead corner areas, the assembly of a seed sowing device 2 is realized by firstly matching and installing the U-shaped shell 221 and the pocket wheel 23, then matching and connecting and fixing the connecting column 2223 of the U-shaped cover 222 and the connector matched with the U-shaped shell 221, and then covering the square cover 223 above the U-shaped cover 222 and the U-shaped shell 221, the shell 22 is composed of the square cover 223, the U-shaped shell 221 and the U-shaped cover 222, the pocket wheel 23 is convenient to overhaul, meanwhile, the baffle 2221 limits the flow direction of the seeds 7, the slope of the baffle 2221 enables the seeds 7 to flow into the pocket wheel 23 quickly, and dead angles are reduced.

In this embodiment, a device of accurate seeding of tiny particle form seed, seed metering device 2 still includes brush 26, nest eye wheel 23 top is arranged in to brush 26, brush head and nest eye wheel 23 sliding connection, the brush is connected with casing 22 for clean unnecessary seed 7 on the nest eye wheel 23, this kind of device of accurate seeding of tiny particle form seed, brush 26 can clean unnecessary seed 7 on the nest eye wheel 23, make 7 seeding quantities of seed even, also avoid 7 of seed to block up nest eye wheel 23 simultaneously, the maintenance number of times of this kind of device of accurate seeding of tiny particle form seed has been reduced, also make 7 seeding quantities of seed even.

Specifically, a device of accurate seeding of tiny particle form seed is equipped with the through-hole on the baffle 2221 of the casing 22 above the nest eye wheel 23, and the brush handle passes the through-hole, and baffle 2221 can be dismantled with the brush handle and be connected, is convenient for change brush 26.

In this embodiment, a device of accurate seeding of tiny particle form seed, pocket wheel 23 includes: first outer ring 231, second outer ring 232 and intermediate layer 233, intermediate layer 233 is the wavy ring of outer ring, the trough is pocket 2331, the crest is interior tangent with the outer ring surface of first outer ring 231 and second outer ring 232, first outer ring 231, second outer ring 232 and intermediate layer 233 overlap on pivot 21 and become an organic whole structure with pivot 21, this kind of device of the accurate seeding of tiny particle shape seed, pocket 2331 has restricted the quantity of seed 7, the crest is interior tangent with the outer ring surface of first outer ring 231 and second outer ring 232, the seed 7 between pocket 2331 and pocket 2331 when having restricted pocket wheel 23 to rotate flows, also in order to make brush 26 brush the surface of pocket wheel 23 smoothly simultaneously, avoid brush 26 fluctuation to make pocket 2331 seed 7 quantity.

In this embodiment, the seed-metering device 2 further comprises a leakage-repairing device 27, which is located right above the pocket wheel 23 and in front of the brush 26, when the pocket wheel 23 rotates clockwise, the brush 26 cleans the excess seeds 7 in the pocket 2331 first, one end of the leakage repairing device 27 rolls on the middle layer 233, the other end is connected with the shell 22 in a sliding way, due to the wavy ring shape of the intermediate layer 233, which causes the leakage mending means 27 to move up and down, the position of the cell 2331 filled by the seed 7, the device 27 will not move downward and when a seed 7 is missing from a pocket 2331, the device 27 will move downward, causing the seed 7 in the device 27 to drop out, filling the pocket 2331 that is missing the seed 7, this kind of device of accurate seeding of small granule form seed 7, hourglass device 27 avoids lacking seed 7 in pocket 2331 and leads to lacking seed 7 when sowing and make the soil reduce production and influence peasant's income.

In this embodiment, a device of accurate seeding of small-grained seed, seed metering device 2 still includes mending leakage device 27, and mending leakage device 27 includes: roller 271, square board 272, mending hourglass box 273 and hourglass box baffle 274, roller 271 and intermediate level 233 roll connection, square board 272 lower extreme is equipped with the cooperation connecting portion of roller 271, connecting portion and roller 271 rotate and are connected, square board 272 and casing 22 sliding connection, splendid attire seed 7 is placed in casing 22 to mending hourglass box 273, the one end and the square board 272 face of hourglass box baffle 274 are connected, the other end and mending box 273 sliding connection, hourglass box baffle 274 is used for controlling mending the switch of hourglass box 273, roller 271 is tangent with the middle wave layer of nest eye wheel 23, roller 271 rotates along with the rotation of eye wheel 23. When the pocket 2331 is filled with the seed 7, since the seed 7 fills the pocket 2331, here is approximately flush with the round end surface of the pocket wheel 23, when the roller 271 moves to the place of the roller 271, the roller 271 passes approximately on the round end surface, and at this time the square plate 272 does not move up and down; when the seed 7 is not in the pocket 2331, the pocket 2331 moves to the position of the roller 271, the roller 271 is equivalent to pass along the pocket 2331, the motion track of the roller 271 relative to the pocket wheel 23 is wave-shaped, and therefore the roller 271 and the square plate 272 move downwards. The hourglass box baffle 274 of connection on square board 272 falls, make hourglass box 273 open, seed 7 drops in nest eye 2331, because square board 272 moves down the distance be the degree of depth of nest eye 2331 promptly, so square board 272 is opened and only can fall out seed 7 that a grain and nest eye 2331 size are approximate, the accurate device of seeding of this kind of tiny particle form seed, hourglass device 27 simple structure, and the opening size of hourglass box 273 is the size of seed 7 at every turn, and the time is short only can drop a seed 7, avoid unnecessary seed 7 to drop the use that influences the accurate device of seeding of this kind of tiny particle form seed.

Specifically, a device for accurately sowing small granular seeds is provided, a connecting rod is arranged on a leakage box baffle 274 and is vertically connected and fixed with a square plate 272, a U-shaped body 2222 is arranged in a shell 22 and is positioned above a pocket wheel 23, the bottom end of the U-shaped body 2222 is connected with the inner wall of a U-shaped shell 221 of the shell 22, the inner wall of the U-shaped body 2222 is matched with the square plate 272 to realize up-and-down sliding connection, the front arm of the U-shaped body 2222 is connected with a front baffle 2221, the rear arm of the U-shaped body 2222 is connected with a brush 26, the other end of the U-shaped body 2222 is connected with the baffle 2221, the connecting rod is arranged on the walls of the U-shaped body 2222 and the baffle 2221, the leakage box 273 is arranged on a slope of the front baffle 2221, the upper end of the leakage box 273 is large and small, so as to reduce the number of seeds discharged from the lower end of the leakage box 273, a leakage hole 22211 is arranged on the slope of the leakage box, when the leakage box baffle 274 moves the leakage box 273 downwards to be opened, the seeds 7 fall out from the bottom of the leakage box 273 and fall into the leakage hole 22211, then fall into the socket 2331 from the leakage hole 22211, the leakage box 273 is arranged on a slope, the seeds 7 can effectively fall into the leakage hole 22211 freely and flow into the socket 2331 when the leakage box 273 is opened, the seed sowing device 2 is divided into a seed filling area, a seed supplementing area, a seed feeding area and a seed sowing area, the seeds 7 flow out of the seed filling area to the seed supplementing area, and then the seeds are sown in the seed sowing area after the seed feeding area is fully filled.

In this embodiment, a device for accurately sowing small granular seeds, the seed metering device 2 further comprises an elastic component 28, the elastic component 28 is arranged between the pocket wheel 23 and the shell 22, and the elastic component 28 is used for slowing down the impact of the pocket wheel 23 on the shell 22, so that the pocket wheel 23 or the shell 22 is prevented from being damaged due to long-time use, and the service life of the device for accurately sowing small granular seeds is prolonged.

In particular to a device for accurately sowing small granular seeds, an elastic part 28 is arranged at the matching connection part of a baffle 2221 and an indented wheel 23, and the position of the elastic part 28, which is higher than the connection part of a turbine eye and the baffle 2221, is wrapped above the indented wheel 23, namely the starting point of the elastic part 28 is positioned in the indented wheel 23 and is slightly lower than the upper part, so that the stability of the seeds 7 in the indented wheel 2331 is improved, and the probability that the bumpy seeds 7 fall off during cultivation is reduced.

In this embodiment, an apparatus for accurately sowing seeds in small granular form, the elastic member 28 is a rubber pad, the surface of the rubber pad is smooth, and the rubber pad is used for reducing the rotation friction force of the cell wheel 23.

In this embodiment, a device of accurate seeding of tiny particle form seed still includes ditching device 5, and ditching device 5 passes through bolt fixed connection with frame 1, and arranges in before seed metering device 2, and ditching device 5 will plough and open the soil ditch of certain degree of depth, and this kind of device of accurate seeding of tiny particle form seed, ditching device 5 can realize ploughing while sowing, has reduced the number of times of ploughing to the soil.

Specifically, the ditching device 5 comprises a first triangular sharp knife and a first connecting rod 51, the middle point of one side of the first triangular sharp knife is welded with one end of the first connecting rod 51, soil seeds are inserted into the point of the triangular sharp knife, so that the triangular sharp knife and the ground form an obtuse angle, the other end of the first connecting rod 51 is connected with the frame 1 and fixedly connected through bolts, and the other end of the first connecting rod and the seed sowing device 2 work on the same straight line, namely, the sowing line and the furrow are the same straight line.

In the embodiment, the device for accurately sowing the small granular seeds further comprises the soil covering device 6, the soil covering device 6 is fixedly connected with the rack 1 through bolts and is arranged behind the seed discharging device 2, the soil covering device 6 is used for covering seeds 7 in scattered soil ridges into a ditch, the soil covering device 6 can realize sowing and soil covering, and the times of ploughing the soil are reduced.

Specifically, the soil covering devices 6 comprise second triangular sharp knives and second connecting rods 61, the middle points of one sides of the second triangular sharp knives are welded with one ends of the second connecting rods 61, soil seeds are inserted into the knife points of the triangular sharp knives, the triangular sharp knives and the ground form obtuse angles, the other ends of the second connecting rods 61 are connected with the frame 1 and fixedly connected through bolts, the second connecting rods and the seed discharging devices 2 do not work on the same straight line, the vertical distance between each second connecting rod 61 and a seeding line of the seed discharging devices 2 is half of the ridge width, and the interval between every two adjacent soil covering devices 6 is the ridge width.

Example four

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5 together, the structure of the apparatus for accurately sowing small granular seeds provided in this embodiment is substantially the same as that of embodiment 1, except that the structure of the ditching device 5, the ditching device 5 includes: first connecting rod 51 one end and 1 bolt fixed connection of frame, be equipped with first through-hole in the middle of the ditching dish 52, form the contained angle through bolted connection in the middle of two ditching dishes 52 and be connected with the centre gripping of the first connecting rod 51 other end, and with the bolt fastening, ditching dish 52 is the circular blade, two circular blade edges connect into on the contained angle installation first connecting rod 51, the device of the accurate seeding of this kind of graininess seed 7 advances the in-process, the closed angle that two circular blades constitute moves forward and will plough the trench of certain degree of depth, accomplish the device of the accurate seeding of this kind of graininess seed of ditching work, ditching device 5 can realize ploughing while sowing, the number of times of ploughing to the soil has been reduced.

EXAMPLE five

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 5 together, the structure of the apparatus for accurately sowing small granular seeds provided in this embodiment is substantially the same as that of embodiment 1, except that the structure of the soil covering device 6, the soil covering device 6 includes: the second connecting rod 61 and the circular plate 62, the circular plate 62 is provided with the second through hole, one end of the second connecting rod 61 is installed on the frame 1, the middle of the two circular plates 62 is connected with the other end of the second connecting rod 61 through a bolt to form an included angle, and the included angle is clamped and connected with the other end of the second connecting rod 61 and fixed through the bolt.

In the description of the present invention, it should be understood that the orientation or the positional relationship indicated by the above, below, front, back, left, right, etc. are only for convenience of description and simplification of description, and therefore should not be construed as limiting the present invention.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a device of accurate seeding of tiny particle form seed which characterized in that includes:

the frame (1) is detachably connected with a vehicle;

the seed metering device (2) is provided with a rotating shaft (21), external threads are arranged at two ends of the rotating shaft (21), and the seed metering device (2) is connected with the rack (1);

one end of the connecting shaft (3) is provided with an internal threaded hole matched with the external thread;

the land wheel (4) is connected with the connecting shaft (3), and the land wheel (4) is used for driving the seed metering device (2) to rotate inside for seeding.

2. The device for the precision seeding of small granular seeds according to claim 1, characterized in that said seeding means (2) comprises:

the shell (22) is provided with a seed sowing hole and a connecting hole, and the shell (22) is connected with the rack (1);

the pocket wheel (23) is arranged in the shell (22), the rotating shaft (21) is arranged on the pocket wheel (23), the rotating shaft (21) penetrates through the connecting hole, and the connecting hole is connected with the rotating shaft (21) in a matched mode through a bearing (24);

a seed discharging pipe (25) connected with the seed discharging hole.

3. A device for the precise sowing of small granular seeds as claimed in claim 2, wherein the seed metering device (2) further comprises a brush (26), the brush (26) is arranged above the pocket wheel (23), the brush head of the brush (26) is slidably connected with the pocket wheel (23), the brush handle is connected with the housing (22), and the brush (26) is used for cleaning the excess seeds (7) on the pocket wheel (23).

4. A device for the precision sowing of small granular seeds according to claim 3, wherein the pocket wheel (23) comprises:

a first outer ring (231);

a second outer annular ring (232);

the middle layer (233) is an outer ring wavy circular ring, the wave trough is a pocket (2331), the wave crest is internally tangent to the outer ring surfaces of the first outer layer circular ring (231) and the second outer layer circular ring (232), and the first outer layer circular ring (231), the second outer layer circular ring (232) and the middle layer (233) are connected through the rotating shaft (21).

5. The device for the precise sowing of small granular seeds as claimed in claim 4, wherein the seed sowing device (2) further comprises a leakage repairing device (27), the leakage repairing device (27) is positioned above the pocket wheel (23) and is arranged in front of the brush (26), one end of the leakage repairing device (27) rolls on the middle layer (233), the other end is slidably connected with the shell (22), and the leakage repairing device (27) is used for supplementing the seeds (7) lacking in the pockets (2331).

6. An apparatus for the precision sowing of small granular seeds according to claim 5, wherein the leakage repairing apparatus (27) comprises:

a roller (271) in rolling contact with the intermediate layer (233);

the lower end of the square plate (272) is provided with a connecting part matched with the roller (271), the connecting part is rotatably connected with the roller (271), and the square plate (272) is slidably connected with the shell (22);

a leak repairing box (273), wherein the leak repairing box (273) is arranged in the shell (22) and is used for containing the seeds (7);

and one end of the leakage box baffle plate (274) is connected with the square plate (272), the other end of the leakage box baffle plate is connected with the leakage repairing box (273) in a sliding mode, and the leakage box baffle plate (274) is used for controlling the switch of the leakage repairing box (273).

7. An apparatus for precision sowing of small granular seeds as claimed in claim 6, wherein said seed metering device (2) further comprises an elastic member (28), said elastic member (28) is arranged between said pocket wheel (23) and said housing (22), and said elastic member (28) is used for reducing the impact of said pocket wheel (23) on said housing (22).

8. An apparatus for precision sowing of small granular seeds as claimed in claim 7, wherein said elastic member (28) is a rubber pad for reducing the rotational friction of said pocket wheel (23).

9. The device for accurately sowing small granular seeds as claimed in claim 8, further comprising a ditching device (5), wherein the ditching device (5) is connected with the frame (1) and is arranged in front of the seed sowing device (2), and the ditching device (5) ditches soil with a certain depth on the cultivated land.

10. The device for the precise sowing of small granular seeds as claimed in claim 9, further comprising a covering device (6), wherein the covering device (6) is connected with the frame (1) and is arranged behind the seed sowing device (2), and the covering device (6) is used for making scattered soil ridges into the ditches to cover the seeds (7).

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