CN113498657A

CN113498657A - Seed taking and discharging assembly and seed taking and discharging device with same

Info

Publication number: CN113498657A
Application number: CN202110710626.1A
Authority: CN
Inventors: 周***
Original assignee: Xinjiang Heyang Agricultural Technology Co ltd
Current assignee: Xinjiang Heyang Agricultural Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-10-15

Abstract

The invention discloses a seed taking and discharging assembly and a seed taking and discharging device comprising the same, and belongs to the technical field of seeding equipment. Get kind of seed metering subassembly includes: the fixed wheel body is provided with a cylindrical groove body, an outer ring wheel surface and an inner ring wheel surface are formed on the fixed wheel body in the radial direction, a hollow cavity is arranged at the upper side part of the fixed wheel body, a through hole communicated with the cylindrical groove body is formed in the position, opposite to the hollow cavity, on the inner ring wheel surface, and a seed discharge port for discharging seeds is formed in one side, close to the hollow cavity, of the fixed wheel body in the radial direction; the seed taking roller is rotatably arranged in the cylindrical groove body, a seed storage cavity is defined between the outer side surface of the seed taking roller and the hollow cavity, and a plurality of seed storage grooves are formed in the outer side surface of the seed taking roller; the seed blocking device is arranged in the fixed wheel body opposite to the outer side surface of the seed taking roller; the rotary driving mechanism is connected with the seed taking roller. The seed taking and discharging assembly is simple in structure and convenient to install and debug.

Description

Seed taking and discharging assembly and seed taking and discharging device with same

Technical Field

The invention relates to the technical field of seeding equipment, in particular to a seed taking and discharging assembly and a seed taking and discharging device with the same.

Background

At present, the seeder is widely applied to large-scale seeding, the seeder adopted in the existing seeder mainly comprises an air-suction type seeder and a drum-type seeder, the air-suction type seeder grabs seeds from a seed chamber by utilizing air flow pressure difference and discharges the seeds in sequence, the air-suction type seeder needs to be provided with a fan for air suction, an air-suction type drum of the air-suction type seeder needs to be in a sealed state, and a negative pressure wheel component structure for realizing seed taking and seed discharging in the air-suction type seeder is complex, so that the air-suction type seeder has complex manufacturing process, higher manufacturing cost, easy damage and larger maintenance difficulty; and a plurality of seed taking and seeding components for realizing seed taking and seeding in the roller-type seeder are arranged at intervals along the circumferential direction of the inner wall of the roller, so that the assembling and debugging of the seed taking and seeding components are more complicated, and the roller-type seeder has the problems of complex structure, high manufacturing cost, easy damage and higher maintenance difficulty. Furthermore, the seed taking and discharging assembly for realizing seed taking and discharging in the seeder belongs to the core part of the seeder, the existing seed taking and discharging assembly increases the production cost of the seeder, and the inconvenience is brought to the installation, debugging and maintenance of the seeder, the use and maintenance cost of the seeder is increased, and the large-scale popularization of the seeder is not facilitated. Therefore, a seed taking and discharging assembly which is simple in structure and convenient to install and debug is needed, so that the seed taking and discharging assembly can be used on a seeder to take and discharge seeds.

Disclosure of Invention

The present invention is directed to overcoming at least one of the deficiencies of the prior art, and to providing a seed-taking and seed-metering assembly that is simple in structure and easy to install and adjust, and a seed-taking and seed-metering device.

The technical scheme for solving the technical problems is as follows: a seed pick and feed assembly comprising:

the seed discharge device comprises a fixed wheel body, wherein the fixed wheel body is provided with a cylindrical groove body along the axial direction of the fixed wheel body, the central line of the cylindrical groove body is superposed with the central axis of the fixed wheel body, the fixed wheel body forms an outer ring wheel surface and an inner ring wheel surface in the radial direction, the upper side part of the fixed wheel body is provided with a hollow cavity, the hollow cavity is positioned between the outer ring wheel surface and the inner ring wheel surface, the inner ring wheel surface is provided with an opening opposite to the hollow cavity, the hollow cavity is communicated with the cylindrical groove body through the opening, one side of the fixed wheel body close to the hollow cavity in the radial direction is provided with a seed discharge port for discharging seeds, and the seed discharge port radially extends through the outer ring wheel surface and the inner ring wheel surface and is communicated with the cylindrical groove body;

the seed taking roller is rotatably arranged in the cylindrical groove body, the outer side surface of the seed taking roller is attached to the inner ring wheel surface, the outer side surface of the seed taking roller is blocked at the inner side of the through hole, a seed storage cavity for storing seeds is defined between the outer side surface of the seed taking roller and the hollow cavity, a plurality of seed storage grooves capable of respectively storing one seed are circumferentially arranged on the outer side surface of the seed taking roller at intervals, and the seed storage grooves are respectively communicated with the through hole when rotating to the position of the through hole;

the seed blocking device is arranged in the fixed wheel body just opposite to the outer side surface of the seed taking roller and is positioned between the seed storage cavity and the seed discharge port, and when the seed taking roller rotates relative to the seed blocking device, the seed blocking device sweeps the outer side surface of the seed taking roller to block seeds which do not enter the seed storage groove;

the rotation driving mechanism is used for driving the seed taking roller to rotate in the cylindrical groove body, and the seed taking roller is connected with the rotation driving mechanism;

in the process that the rotary driving mechanism drives the seed taking roller to rotate, the seed taking roller rotates relative to the fixed wheel body, and the seed storage tank sequentially passes through the seed storage cavity, the seed blocking device and the seed discharge port; when the seed storage tank passes through the seed storage cavity, seeds in the seed storage cavity can enter and be stored in the seed storage tank, and each seed storage tank is internally stored with one seed; when the seed storage tank passes through the seed blocking device, the seed blocking device sweeps the outer side surface of the seed taking roller to block the seeds which do not enter the seed storage tank; when the seed storage tank containing the seeds on the seed taking roller passes through the seed discharge port, the seeds contained in the seed storage tank are discharged into the seed discharge port and are discharged outside through the seed discharge port.

The invention has the beneficial effects that: according to the seed discharge device, the fixing wheel body is provided with the cylindrical groove body along the axial direction, the upper side part of the fixing wheel body is provided with the hollow cavity, the hollow cavity is communicated with the cylindrical groove body through the through hole, and a seed discharge port for discharging seeds is arranged on one side, close to the hollow cavity, of the fixing wheel body in the radial direction; a seed taking roller is rotatably arranged in the cylindrical tank body, a seed storage cavity is defined between the outer side surface of the seed taking roller and the hollow cavity, and a plurality of seed storage grooves capable of respectively storing seeds are arranged on the outer side surface of the seed taking roller; a seed blocking device is arranged between the seed storage cavity in the fixed wheel body and the seed discharge port; the seed taking roller is driven to roll relative to the fixed wheel body, the seed storage groove sequentially passes through the seed storage cavity, the seed blocking device and the seed discharge port, and seed taking, seed cleaning and seed discharging are sequentially realized; in addition, the seed taking roller is an integral and cylindrical structure, is convenient to produce and manufacture and is not easy to damage, and is beneficial to reducing the use and maintenance cost; further, get kind of cylinder and install in the cylindric cell body of fixed wheel body, seed blocking device installs in the inside of fixed wheel body, is convenient for protect getting kind of cylinder and seed blocking device, reduces the seeding environment and to getting kind of cylinder and seed blocking device's influence, improves the suitability that contains the disseminator of getting kind of seed metering subassembly of this embodiment.

In addition, on the basis of the above technical solution, the present invention may be further improved as follows, and may further have the following additional technical features.

According to one embodiment of the invention, the rotary drive mechanism comprises:

the rolling wheel body is rotatably arranged on the circumferential outer side of the fixed wheel body, a plurality of seed passing openings are formed in the rolling wheel body at intervals in the circumferential direction, and when the seed passing openings rotate to the positions of the seed discharge openings in the rolling process of the rolling wheel body, the seed passing openings are opposite to the seed discharge openings and are communicated with the seed discharge openings;

the rotary supporting structure is connected with the rolling wheel body through a connecting structure, the rotary supporting structure faces the cylindrical groove body and extends, and the seed taking roller is connected with the rotary supporting structure.

In the embodiment, the rolling wheel body is rotatably arranged on the circumferential outer side of the fixed wheel body, a plurality of seed passing openings are circumferentially arranged on the rolling wheel body opposite to the seed discharge openings at intervals, and the rolling wheel body is provided with the rotating support structure which is connected with the rolling wheel body through the connecting structure, so that the rolling wheel body can be driven, and the rolling wheel body drives the seed taking roller to rotate in the cylindrical groove body in the rolling process, so that the seed taking roller is driven to roll; in the process of sowing by adopting the seeder consisting of the seed taking and discharging assembly in the embodiment, the rolling wheel body is in contact with a seed sowing ground and supports the seeder consisting of the seed taking and discharging assembly, so that the roller which is additionally arranged on the seeder to support the seeder originally can be omitted, and the manufacturing cost of the seeder is reduced.

According to one embodiment of the invention, the rotary supporting structure extends into the cylindrical groove body, the seed taking roller is sleeved outside the rotary supporting structure, a plurality of guide sliding grooves are circumferentially arranged on the inner side wall of the seed taking roller at intervals along the length direction of the seed taking roller, a plurality of guide protrusions protruding outwards are respectively arranged on the rotary supporting structure in a manner of facing the guide sliding grooves one by one, and the guide protrusions are matched and slidably arranged in the guide sliding grooves;

get kind of seed metering subassembly and still include:

and the axial reciprocating motion driving mechanism is arranged between the fixed wheel body and the seed taking roller and is used for driving the seed taking roller to axially reciprocate in the cylindrical groove body along the axial direction of the fixed wheel body.

In the embodiment, a plurality of guide chutes are arranged on the inner side wall of the seed taking roller, a plurality of guide protrusions are arranged on the rotary supporting structure and are respectively and one by one opposite to the guide chutes, the guide protrusions are matched and slidably mounted in the guide chutes, in addition, an axial reciprocating motion driving mechanism is further mounted between the fixed roller body and the seed taking roller, and under the driving of the axial reciprocating motion driving mechanism, the seed taking roller performs axial reciprocating motion in the cylindrical groove body along the axial direction of the fixed roller body, so that the seed taking roller performs axial reciprocating motion relative to the fixed roller body while rotating relative to the fixed roller body, when passing through the opening of the seed storage cavity, the seed taking roller performs axial reciprocating motion relative to the seed storage cavity, so that the seed taking roller performs rotation and axial motion relative to the seed in the seed storage cavity, the probability of contact between the notch of the seed storage groove and seeds in various postures is increased, and seeds suitable for entering the seed storage groove opening is facilitated, and the seeds positioned at the notch of the seed storage groove can more easily enter the seed storage groove, so that the seed taking rate of the seed storage groove is improved, and the influence on the seeding uniformity caused by seed shortage of the seed storage groove is reduced or avoided. Furthermore, the seed taking roller is sleeved outside the rotary supporting structure, so that the seed taking roller is convenient to disassemble and assemble, and the maintenance and replacement of the seed taking roller are convenient; in addition, the seed taking roller can be replaced according to the shape of the seeds, so that the seeder comprising the seed taking and discharging assembly of the embodiment can be suitable for seeding various seeds.

According to one embodiment of the invention, the axially reciprocating drive mechanism comprises:

the fixed wheel body is provided with a plurality of convex structures which are opposite to the concave-convex structures in the circumferential direction and are alternately abutted against the convex parts and the concave parts at equal intervals;

one end of the elastic piece is connected to the other end of the seed taking roller, the other end of the elastic piece extends outwards away from the seed taking roller and is connected to the fixed wheel body, and the elastic piece is compressed between the seed taking roller and the fixed wheel body;

the rotary driving mechanism drives the seed taking roller to rotate in the cylindrical groove body, the plurality of protruding structures are sequentially stopped against the protruding portions and the recessed portions in an alternating mode under the rotating driving of the rotary driving mechanism and the extrusion action of the elastic piece, and the seed taking roller moves axially and reciprocally in the cylindrical groove body along the axial direction of the fixed wheel body.

The axial reciprocating motion driving mechanism in the embodiment comprises a waveform concave-convex structure and an elastic piece, wherein the waveform concave-convex structure is connected to one end of the seed taking roller and comprises a plurality of convex parts and concave parts which are alternately connected, and a plurality of convex structures which can be sequentially alternatively abutted against the convex parts and the concave parts are arranged on the fixed roller body opposite to the waveform concave-convex structure at equal intervals in the circumferential direction; in addition, the other end of the seed taking roller is connected with a plurality of elastic pieces at intervals, the elastic pieces are compressed between the seed taking roller and the fixed wheel body, when the protruding structure gradually stops from the bottom of the concave part to the top of the protruding part, the elastic pieces are gradually further compressed, and the protruding structure pushes the seed taking roller to slide towards one side of the elastic pieces; when the protruding structure is gradually stopped from the top of the protruding portion to the bottom of the recessed portion, the elastic piece gradually recovers elasticity and extends, the elastic piece pushes the seed taking roller to slide away from the elastic piece, and the seed taking roller is driven to axially reciprocate in the cylindrical groove body along the axial direction of the fixed wheel body in such a circulating manner; furthermore, the axial reciprocating motion driving mechanism in the embodiment is simple in structure and convenient to produce and manufacture.

According to one embodiment of the invention, the elastic member is provided in a plurality, and the elastic members are connected to one end of the seed taking roller at intervals along the circumferential direction away from the wavy concave-convex structure. Through deviating from on getting kind of cylinder in this embodiment the one end of wave form concave-convex structure is connected with a plurality of elastic components, extrudees getting kind of cylinder jointly by a plurality of elastic components, improves the elastic component and carries out extruded reliability to getting kind of cylinder.

According to one embodiment of the invention, the end opening of the seed storage groove is circular, the seed storage groove is recessed towards the inner side of the seed taking roller, the recessed depth of the seed storage groove is not less than the length of any one seed and less than the total length of any two seeds, the width of the seed storage groove is greater than the width of any one seed and less than the total width of any two seeds, and the length of the seed is less than twice the width of the seed. The seed storage tank in the embodiment can ensure that only one seed is stored in one seed storage tank, and the seeding uniformity is improved.

According to an embodiment of the invention, a plurality of seed storage groove groups are arranged in the length direction of the seed taking roller at intervals, each seed storage groove group comprises a plurality of seed storage grooves, and the plurality of seed storage grooves in the same seed storage groove group are circumferentially arranged at equal intervals. In the embodiment, a plurality of seed storage groove groups are arranged in the length direction of the seed taking roller at intervals, each seed storage groove group comprises a plurality of seed storage grooves, and a plurality of seeds can be taken out and discharged at one time through the plurality of seed storage grooves; furthermore, a plurality of seed storage grooves in the same seed storage groove group are circumferentially arranged at equal intervals, and when the seed taking roller rotates at a certain rotating speed, the number of the seed storage grooves passing through the openings of the seed storage cavity is the same within the same time, so that the seed taking roller can take seeds uniformly; the number of the seed storage grooves passing through the seed discharge port in the same time is the same, thereby being beneficial to the uniform seeding of the seed taking roller.

According to one embodiment of the invention, a plurality of seed grooves of two adjacent seed groove sets are arranged in a staggered manner in the length direction of the seed taking roller. The adjacent two sets of a plurality of seed storage groove of the seed storage groove group in this embodiment are in dislocation arrangement on the length direction of the seed taking roller for two adjacent seed storage groove dislocation arrangement on the length direction of the seed taking roller, the seed taking roller is in cylindric cell body is followed the axial direction of back shaft carries out axial reciprocating motion's in-process, increases the probability of seed storage groove notch and the seed contact of multiple gesture, and the suitable seed of the gesture of being convenient for gets into in the seed storage groove notch and gets into the seed storage inslot, improves the seed rate of getting of seed storage groove.

According to one embodiment of the invention, the seed blocking device is a brush, the brush comprises a brush head and a plurality of bristles, the outer side surface of the brush head, which is opposite to the seed taking roller, is connected to the fixed wheel body and is positioned between the seed storage cavity and the seed discharge port, a space is formed between the brush head and the outer side surface of the seed taking roller, one end of each bristle is connected to the brush head, and the other end of each bristle extends towards the outer side surface of the seed taking roller and is attached to the outer side surface of the seed taking roller. In this embodiment, the brush hair has elasticity, and when seed passed through the brush hair, many seed extrusion brush hair, the brush hair produced certain elastic deformation and blockked the seed, and the outer end of the seed of accomodating in the seed groove when there is extrusion contact with the brush hair along with the tip that gets kind of cylinder rotation through the brush hair, the brush hair produced elastic deformation and avoids accomodating the outer end of the seed of accomodating in the seed groove, receives the extrusion and damages when avoiding the seed to pass through seed stop device.

In addition, the seed taking and discharging device provided by the embodiment comprises: a support shaft; in the seed taking and discharging assembly, the fixed wheel body is fixedly connected to the peripheral side of the supporting shaft, and the supporting shaft is perpendicular to the side surface of the fixed wheel body and penetrates through the center of the fixed wheel body; the protruding supporting structure is used for supporting the rolling wheel body, the protruding supporting structure is connected to the outer side wheel face of the rolling wheel body and protrudes out of the outer side of the rolling wheel body, the rolling wheel body is in the rolling process, the protruding supporting structure is in contact with soil, a seed discharging groove is arranged on the protruding supporting structure, and the seed discharging groove is communicated with the seed passing hole.

In the embodiment, the fixed wheel body is conveniently and fixedly connected to the peripheral side of the supporting shaft through the supporting shaft; in addition, the outer side wheel surface of the rolling wheel body in the embodiment is provided with a protrusion supporting structure, the protrusion supporting structure is provided with a seed discharging groove, and the protrusion supporting structure can be in contact with soil, so that the seed discharging groove is suspended above the soil, and smooth discharging of seeds through the seed discharging groove is facilitated; furthermore, the seed taking and discharging device in the embodiment is not provided with a seed sowing hole nozzle like a hole sowing device, so that the problem that the seed taking and discharging device is not suitable for sowing in the fields with heavy soil moisture and more straws or/and weeds due to the seed sowing hole nozzle can be avoided, and even if the seed taking and discharging device in the embodiment is used for sowing in the fields with heavy soil moisture and more straws or/and weeds, smooth sowing can be realized.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of a seeder comprising a seed-taking and-discharging assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a seed-taking roller installed in a fixed wheel body according to an embodiment of the present invention;

FIG. 3 is a first schematic view illustrating the assembly and disassembly of the fixed wheel and the rolling wheel according to the embodiment of the present invention;

FIG. 4 is a second schematic view illustrating the assembly and disassembly of the fixed wheel and the rolling wheel according to the embodiment of the present invention;

FIG. 5 is a schematic view of the seed-extracting roller being connected to the first half-wheel body according to the embodiment of the present invention;

FIG. 6 is a schematic view of the rotatable support drum of the embodiment of the present invention coupled to the second wheel half;

FIG. 7 is a schematic structural view of a seeder comprising a seed-taking and seed-discharging assembly according to an embodiment of the present invention mounted on a suspension support base;

FIG. 8 is a schematic view showing the seed falling guide and the foreign matter removing apparatus according to the embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the seed falling guide device comprises a fixed wheel body, a rolling wheel body, a seed falling guide device, a sundries cleaning device, a hanging support seat, a seed storage box, a supporting shaft, a first half wheel body, a second half wheel body, a supporting shaft, a first half wheel body, a second half wheel body, a seed taking roller, a 14, a brush, a 15, a spring, a 16, a bolt I, a bolt II, a bolt 20, a supporting ring, a 21, a rolling disc, a 22, a supporting wheel body, a 30, a seed blocking part, a 31, a seed falling guide part, a 32, a bolt III, a 40, an arc-shaped connecting part, a 41, a baffle plate, a 50, a swing arm, a 51, a vertical supporting rod, a 52, a seed storage box mounting seat, a 53, a locking mounting seat, a 54, a supporting rod, a 55, a pressure adjusting rod, a 56, a pressure adjusting spring, a 57, a limiting clamping block, a 58, a bolt IV, a 101, a locking nut I, a locking nut II, a bearing II, a bearing B, Bearing III, 106, locking nut III, 111, ring flange I, 112, ring limit protrusion I, 113, radial partition plate I, 114, radial partition plate II, 115, radial support plate, 116, support block I, 117, inclined protrusion I, 118, locking connection bump, 119, protrusion structure, 121, ring flange II, 122, ring limit protrusion II, 123, radial resisting plate I, 124, radial resisting plate II, 125, radial resisting plate III, 126, support block II, 127, inclined protrusion II, 128, avoiding groove, 131, seed storage groove, 132, guide sliding groove, 133, wave-shaped concave-convex structure, 134, spring installation groove, 141, brush head, 142, brush hair, 201, limit convex ring I, 202, bolt hole II, 211, limit convex ring II, 212, resisting convex ring, 213, rotation support cylinder, 214, bolt hole III, 215, annular support convex rail, 216, bearing installation groove II, 221, The seed discharging device comprises a supporting convex ring, 222, a seed passing hole, 223, a connecting block, 224, a seed discharging groove, 225, a supporting lug, 226, a first bolt hole, 301, a supporting connecting part, 302, a fixing connecting part, 303, a seed chute, 304, a vertical extending section, 311, a seed guiding groove, 312, a dozing grooving part, 411, a sundry cleaning block, 412, a fifth bolt, 413, a fifth bolt hole, 501, a bolt hole, 531, a locking part, 1101, a limiting pin, 1102, a seed input port, 1103, a seed discharging port, 1104, a seed cover, 1105, a seed conveying pipe, 1151, a mounting plate, 1161, a first bolt through hole, 1181, a first shaft hole, 1182, a first bearing mounting hole, 1261, a second bolt through hole, 2131, a guiding bulge, 2132 and a supporting cylinder.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The seed-taking and seed-discharging assembly provided by the embodiment, as shown in fig. 1 to 6, includes:

the seed discharge device comprises a fixed wheel body 1, wherein the fixed wheel body 1 is provided with a cylindrical groove body along the axial direction of the fixed wheel body 1, the central line of the cylindrical groove body coincides with the central axis of the fixed wheel body 1, the fixed wheel body 1 forms an outer ring wheel surface and an inner ring wheel surface in the radial direction, the upper side part of the fixed wheel body 1 is provided with a hollow cavity, the hollow cavity is positioned between the outer ring wheel surface and the inner ring wheel surface, the inner ring wheel surface is provided with an opening opposite to the hollow cavity, the hollow cavity is communicated with the cylindrical groove body through the opening, one side of the fixed wheel body 1, which is close to the hollow cavity in the radial direction, is provided with a seed discharge port for discharging seeds, and the seed discharge port radially extends through the outer ring wheel surface and the inner ring wheel surface and is communicated with the cylindrical groove body;

the seed taking roller 13 is rotatably arranged in the cylindrical groove body, the outer side surface of the seed taking roller 13 is attached to the inner ring wheel surface, the outer side surface of the seed taking roller 13 is blocked at the inner side of the through hole, a seed storage cavity for storing seeds is limited and formed between the outer side surface of the seed taking roller 13 and the hollow cavity, a plurality of seed storage grooves 131 capable of respectively storing one seed are circumferentially arranged on the outer side surface of the seed taking roller 13 at intervals, and the seed storage grooves 131 are respectively communicated with the through hole when rotating to the position of the through hole;

the seed blocking device is arranged in the fixed wheel body 1 just opposite to the outer side surface of the seed taking roller 13 and is positioned between the seed storage cavity and the seed discharge port, and when the seed taking roller 13 rotates relative to the seed blocking device, the seed blocking device sweeps the outer side surface of the seed taking roller 13 to block seeds which do not enter the seed storage groove 131;

the rotation driving mechanism is used for driving the seed taking roller 13 to rotate in the cylindrical groove body, and the seed taking roller 13 is connected with the rotation driving mechanism;

in the process that the rotary driving mechanism drives the seed taking roller 13 to rotate, the seed taking roller 13 rotates relative to the fixed wheel body 1, and the seed storage tank 131 sequentially passes through the seed storage cavity, the seed blocking device and the seed discharge port; when the seed storage tank 131 passes through the seed storage cavity, seeds in the seed storage cavity can enter and be stored in the seed storage tank 131, and each seed storage tank 131 contains one seed; when the seed storage tank 131 passes through the seed blocking device, the seed blocking device sweeps the outer side surface of the seed taking roller 13 to block the seeds which do not enter the seed storage tank 131; when the seed storage tank 131 in which the seeds are stored in the seed take-out drum 13 passes through the seed discharge port, the seeds stored in the seed storage tank 131 are discharged into the seed discharge port and discharged to the outside through the seed discharge port.

In this embodiment, as shown in fig. 1 to 6, the fixed wheel body 1 is provided with a cylindrical groove body along an axial direction thereof, a hollow cavity is provided at an upper portion of the fixed wheel body 1, the hollow cavity is communicated with the cylindrical groove body through a through hole, and a seed discharge port for discharging seeds is provided at a side of the fixed wheel body 1 close to the hollow cavity in a radial direction; a seed taking roller 13 is rotatably arranged in the cylindrical tank body, a seed storage cavity is defined between the outer side surface of the seed taking roller 13 and the hollow cavity, and a plurality of seed storage grooves 131 capable of respectively containing one seed are arranged on the outer side surface of the seed taking roller 13; a seed blocking device is arranged between the seed storage cavity and the seed discharge port in the fixed wheel body 1; the seed taking roller 13 is driven to roll relative to the fixed wheel body 1, the seed storage groove 131 sequentially passes through the seed storage cavity, the seed blocking device and the seed discharge port, so that seed taking, seed cleaning and seed discharging are sequentially realized, the seed taking mode is simple, the structure of the seeder formed by the seed taking roller 13 and the fixed wheel body 1 is simple, the installation and debugging are convenient, and the production and manufacturing cost of the seeder can be reduced; in addition, the seed taking roller 13 is an integral and cylindrical structure, is convenient to produce and manufacture and is not easy to damage, and is beneficial to reducing the use and maintenance cost; further, get kind of cylinder 13 and install in the cylindric cell body of fixed wheel body 1, seed kind stop device installs in the inside of fixed wheel body 1, is convenient for protect getting kind of cylinder 13 and seed kind stop device, reduces the seeding environment to getting kind of cylinder 13 and seed kind stop device's influence, improves the suitability that contains the disseminator of getting kind of seed metering subassembly of this embodiment.

In the present embodiment, as shown in fig. 1 to 6, the fixed sheave body 1 is supported by the support shaft 10, the fixed sheave body 1 is fixedly connected to the periphery of the support shaft 10, and the support shaft 10 is inserted into the center of the fixed sheave body 1 perpendicularly to the side surface of the fixed sheave body 1. Further, the fixed wheel body 1 is fixed through the support shaft 10, so that the fixed wheel body 1 is conveniently installed on a frame of the seeder through bolts, and the fixed wheel body 1 can also be fixed through other supporting pieces; in addition, when the seeder comprising the seed taking and discharging assembly in the embodiment is mounted on a seeder, the seeder comprising the seed taking and discharging assembly in the embodiment can be suspended, and the roller is arranged on the seeder frame to support the seeder frame.

In this embodiment, as shown in fig. 3 to 5, the fixed wheel body 1 includes a first half wheel body 11 and a second half wheel body 12, the first half wheel body 11 includes a first circular disc, one end of the support shaft 10 is fixedly connected to the center of the first circular disc, a first circular ring flange 111 is disposed at an edge of the first circular disc, the first circular ring flange 111 extends along the axial direction of the first circular disc to form an extension end, a first circular ring limiting protrusion 112 is further disposed on the first circular disc, the first circular ring limiting protrusion 112 is disposed on the same side as the first circular ring flange 111 and extends on the same side to form an extension end, the first circular ring limiting protrusion 112 is located inside the first circular ring flange 111, a center line of the first circular ring limiting protrusion 112 coincides with a central axis of the support shaft 10, and a first circular ring cavity is defined between the first circular ring flange 111 and the first circular ring limiting protrusion 112.

In this embodiment, as shown in fig. 3, 4 and 6, the second half wheel body 12 includes a second circular disc, a diameter of the second circular disc is equal to a diameter of the first circular disc, the second circular disc is coaxial with the first circular disc, a second circular ring flange 121 is disposed on the edge of the second circular disc facing the first circular ring flange 111, the second circular ring flange 121 extends towards the first circular ring flange 111 to form an extension end, a second circular ring limiting protrusion 122 is further disposed on the first circular disc facing the first circular ring limiting protrusion 112, the second circular ring limiting protrusion 122 extends towards the first circular ring limiting protrusion 112 to form an extension end, and a second circular ring cavity is defined between the second circular ring flange 121 and the second circular ring limiting protrusion 122.

In the present embodiment, as shown in fig. 3 to fig. 5, the extending end of the first annular rib 111 is connected to the extending end of the second annular rib 121, the first annular rib 111 and the second annular rib 121 form an outer cylindrical structure, and the outer sidewall of the outer cylindrical structure forms an outer ring wheel surface; the extending end of the first ring limiting bulge 112 is connected with the extending end of the second ring limiting bulge 122, the first ring limiting bulge 112 and the second ring limiting bulge 122 form an inner cylindrical structure, the inner side wall of the inner cylindrical structure forms an inner ring wheel surface, the inner side of the inner ring wheel surface forms a cylindrical cavity, and the first ring cavity is communicated with the second ring cavity to form a ring cavity; the middle part of disc two is equipped with the axial through opening, and the axial through opening is circular form, and the diameter of axial through opening equals with the internal diameter of interior cylindrical structure, and the axial through opening forms cylindric cell body with cylindric cavity intercommunication.

In this embodiment, as shown in fig. 3 to 5, a first radial partition 113 and a second radial partition 114 are arranged in the annular cavity at intervals, the first radial partition 113 is radially connected between the first annular rib 111 and the first annular limiting protrusion 112 and is arranged on the left lower side of the annular cavity, one end of the first radial partition 113 is connected to the inner side wall of the first annular rib 111, and the other end of the first radial partition is connected to the outer side wall of the first annular limiting protrusion 112; one end of the radial partition plate I113 in the axial direction is connected to the disc I, and the other end of the radial partition plate I is connected to the disc II; a radial baffle plate II 114 is radially connected between the first ring rib 111 and the second ring rib 121 and is arranged on the right upper side of the circular ring-shaped cavity, one end of the radial direction of the radial baffle plate II 114 is connected to the inner side wall of the first ring rib 111, and the other end of the radial direction of the radial baffle plate II 114 is connected to the outer side wall of the first ring limiting bulge 112; one end of the radial partition plate II 114 in the axial direction is connected to the first disc, and the other end of the radial partition plate II is connected to the second disc; the first radial partition plate 113 and the second radial partition plate 114 isolate a circular ring-shaped cavity, a first cavity is formed at the left lower side of the circular ring-shaped cavity, a second cavity is formed at the upper side of the circular ring-shaped cavity, a radial support plate 115 is further arranged in the second cavity, the radial support plate 115 is connected between the first radial support plate 111 and the first circular ring limiting bulge 112 and is arranged at the left upper part of the circular ring-shaped cavity, the radial support plate 115 and the first circular ring flange 111 extend at the same side to form an extension end, one end of the radial support plate 115 in the radial direction is connected to the inner side wall of the first circular ring flange 111, and the other end of the radial support plate is connected to the outer side wall of the first circular ring limiting bulge 112; further, a first notch is formed in the position, opposite to the second cavity, of the first annular limiting protrusion 112, a mounting plate 1151 is arranged at the extending end of the radial supporting plate 115, a distance is reserved between the mounting plate 1151 and the seed taking roller 13, and the seed blocking device in the embodiment is mounted on the mounting plate 1151.

In this embodiment, as shown in fig. 3, 4 and 6, a first radial stop plate 123 for stopping against the first radial partition 113 is provided on a side of the first disc opposite to the first radial partition 113, the first radial stop plate 123 extends towards the first radial partition 113 to form an extending end, one end of the first radial stop plate 123 in the radial direction is connected to the inner side wall of the second ring flange 121, and the other end is connected to the outer side wall of the second ring limiting protrusion 122; furthermore, a radial resisting plate II 124 for resisting against the radial partition plate II 114 is further arranged on one side surface of the disc II, which faces the disc I, opposite to the radial partition plate I113, the radial resisting plate II 124 extends towards the radial partition plate II 114 to form an extending end, one end of the radial resisting plate II 124 in the radial direction is connected to the inner side wall of the ring flange II 121, and the other end of the radial resisting plate II is connected to the outer side wall of the ring limiting protrusion II 122; further, a radial resisting plate III 125 for resisting against the radial supporting plate 115 is further arranged on one side face, opposite to the disc I, of the disc II, the radial supporting plate 115 is opposite to the radial supporting plate III, the radial resisting plate III 125 extends towards the radial supporting plate 115 to form an extending end, one end of the radial resisting plate III 125 in the radial direction is connected to the inner side wall of the ring flange II 121, and the other end of the radial resisting plate III is connected to the outer side wall of the ring limiting protrusion II 122.

In the present embodiment, as shown in fig. 1 to 6, the first half wheel body 11 and the second half wheel body 12 are fixedly connected to form the fixed wheel body 1 through the first bolt 16, specifically, the first three support blocks 116 are connected to the inner side of the first half wheel body 11, the first support blocks 116 are respectively provided with the first bolt holes 1161, the first bolt holes 1161 penetrate the first half wheel body 11, the second three support blocks 126 are respectively provided on the inner side of the second half wheel body 12 facing the first support blocks 116, the second support blocks 126 are respectively provided with the second bolt holes 1261, the second bolt holes 1261 penetrate the second half wheel body 12, the first three bolts 16 penetrate the first bolt holes 1161 and the second bolt holes 1261, and by screwing the nuts, the extending end of the first ring flange 111 abuts against the extending end of the second ring flange 121, the extending end of the first ring flange 112 abuts against the extending end of the second ring flange 122, the extending end of the first radial partition plate 113 abuts against the extending end of the first radial stop plate 123, the extending end of the radial baffle plate II 114 abuts against the extending end of the radial resisting plate II 124, the extending end of the radial support plate 115 abuts against the extending end of the radial resisting plate III 125, a notch I is formed in the position, facing the cavity II, of the first ring limiting bulge 112, and is communicated with the cylindrical groove body, a seed discharge port is formed in the left opening of the first ring flange 111 and the first ring limiting bulge 112 along the radial direction, an inclined bulge I117 is arranged on the inner side of the position, limiting the seed discharge port, formed by the first half wheel body 11 and the second half wheel body 12, of the first radial baffle plate 113 and the radial support plate 115, the outer end of the inclined bulge I117 in the radial direction is higher than the inner end of the inclined bulge I117, an inclined bulge II 127 is arranged on the position, limiting the seed discharge port, of the second half wheel body 12 and the first half wheel body 11, and is connected between the radial resisting plate I123 and the radial resisting plate III 125, the outer end of the second inclined protrusion 127 in the radial direction is higher than the inner end, and the first inclined protrusion 117 and the second inclined protrusion 127 define a trumpet-shaped opening with a large inside and a small outside. Further, the first half wheel body 11 and the second half wheel body 12 in the present embodiment may be configured in other structures, and the first half wheel body 11 and the second half wheel body 12 may be integrally connected by welding or other methods.

In one embodiment of the present invention, as shown in fig. 2 to 4, the rotation driving mechanism includes: the rolling wheel body 2 is rotatably arranged on the circumferential outer side of the fixed wheel body 1, a plurality of seed passing openings 222 are formed in the rolling wheel body 2 at intervals in the circumferential direction, and when the seed passing openings 222 rotate to the positions of seed discharge ports in the rolling process of the rolling wheel body 2, the seed passing openings 222 are opposite to the seed discharge ports and are communicated with the seed discharge ports; the rotary supporting structure is connected with the rolling wheel body 2 through a connecting structure, extends towards the cylindrical groove body, and the seed taking roller 13 is connected with the rotary supporting structure. The rolling wheel body 2 can be driven, and the seed taking roller 13 is driven to rotate in the cylindrical groove body by the rolling wheel body 2 in the rolling process, so that the seed taking roller 13 can be driven to roll conveniently; in the process of sowing by adopting the seeder consisting of the seed taking and discharging assembly in the embodiment, the rolling wheel body 2 is in contact with a seed sowing ground and supports the seeder consisting of the seed taking and discharging assembly, so that the roller which is originally required to be additionally arranged on the seeder for supporting the seeder can be omitted, and the manufacturing cost of the seeder is reduced.

In the present embodiment, as shown in fig. 2 to 4, the rolling wheel body 2 includes a supporting ring 20, a rolling disk 21 and a supporting wheel body 22, the supporting wheel body 22 is of an annular structure, a supporting convex ring 221 protruding inward is disposed in the middle of the inner side wall of the supporting wheel body 22, a plurality of seed passing openings 222 are disposed at intervals in the radial direction of the supporting convex ring 221, a connecting block 223 is connected between adjacent seed passing openings 222, and a plurality of bolt holes one 226 are disposed at intervals in the axial direction of the supporting convex ring 221; a first accommodating groove for accommodating the supporting ring 20 is formed in the right side of the supporting wheel body 22, a plurality of second bolt holes 202 are formed in the first bolt holes 226 of the supporting convex rings 221, which correspond to the supporting ring 20 one by one, and a first limiting convex ring 201 is further arranged on the edge of the supporting wheel body 22 in the circumferential direction; a second accommodating groove for accommodating the rolling disc 21 is formed in the left side of the supporting wheel body 22, a plurality of third bolt holes 214 are formed in the first bolt holes 226 of the supporting convex rings 221, which correspond to the first bolt holes one by one, on the rolling disc 21, a second limiting convex ring 211 is further circumferentially arranged at the edge of the supporting wheel body 22, a rotating supporting structure is further arranged in the middle of the inner side of the rolling disc 21, the rotating supporting structure is specifically a rotating supporting cylinder 213, an avoiding groove 128 is formed in the middle of the second half wheel body 12, the avoiding groove 128 is of a circular structure, and the rotating supporting cylinder 213 penetrates through the avoiding groove 128; further, the "connecting structure" in the "rotation supporting structure connected to the rolling wheel body 2 by the connecting structure" in the present embodiment is the middle portion of the rolling disk 21, and the rotation supporting structure may be connected to the rolling wheel body 2 by another connecting member alone. Further, the left end of the second half wheel body 12 in this embodiment is stopped by the rolling disk 21, and the rotation supporting structure in this embodiment may be configured as another structure, and the rotation supporting structure can facilitate installation of the seed taking roller 13.

In the present embodiment, as shown in fig. 1, 3 and 4, the supporting ring 20, the rolling disk 21 and the supporting wheel body 22 are fixedly connected into a whole by the second bolts 17, specifically, the fixing wheel body 1 is firstly installed on the inner side of the supporting convex ring 221, the second bolts 17 are used to pass through the second bolt holes 202, the first bolt holes 226 and the third bolt holes 214, and are screwed by nuts, the supporting ring 20 is accommodated in the first accommodating groove, the rolling disk 21 is accommodated in the second accommodating groove, and the fixing wheel body 1 is limited between the supporting ring 20 and the rolling disk 21.

In this embodiment, as shown in fig. 3, a support cylinder 2132 is disposed in the middle of the right end of the rotation support cylinder 213, a first bearing 103 is mounted inside the support cylinder 2132, a support sleeve is fixedly mounted on the support shaft 10 corresponding to the first bearing 103, the first bearing 103 is fixedly mounted on the periphery of the support sleeve, and the right end of the rotation support cylinder 213 is supported by the first bearing 103; further, a second bearing installation groove 216 is further formed in the middle of the outer side of the rolling disc 21, a third bearing 105 is installed at the left end of the support shaft 10 in the embodiment, which penetrates through one end of the rolling disc 21, the outer side wall of the third bearing 105 abuts against the inner side wall of the second bearing installation groove 216, the rolling disc 21 is supported through the third bearing 105, and the third bearing 105 is locked through a third lock nut 106; furthermore, the outer side edge of the rolling disk 21 is provided with an annular supporting convex rail 215, and three bolt holes 214 are circumferentially arranged on the annular supporting convex rail 215 at intervals. Furthermore, in the embodiment, a locking connection bump 118 is arranged in the middle of the first half wheel body 11, the locking connection bump 118 is in a cylindrical structure, a first shaft hole 1181 is arranged in the middle of the locking connection bump 118, and the support shaft 10 extends towards the right end through the first shaft hole 1181; furthermore, a second bearing 104 is installed on the outer side of the supporting cylinder 2132, a first bearing installation hole 1182 is formed in the inner side of the locking connection lug 118, the second bearing 104 is accommodated in the first bearing installation hole 1182, and the supporting cylinder 2132 is limited between the first bearing 103 and the second bearing 104, so that the stability of rotation of the rotating supporting cylinder 213 is improved.

In this embodiment, as shown in fig. 1 and 3, a seed input port 1102 is provided on the first half wheel body 11 at a position close to the seed storage cavity, the seed input port 1102 is communicated with the seed storage cavity, a seed discharge port 1103 is provided on the first half wheel body 11 at a position close to the seed storage cavity, a seed cover 1104 is provided outside the seed discharge port 1103, and the seed cover 1104 is fixed on the first half wheel body 11 by screws.

It should be noted that the rotary driving mechanism in this embodiment includes a rolling wheel body 2, and the rolling wheel body 2 is rotatably installed at the circumferential outer side of the fixed wheel body 1, so that the seeder formed by the seed taking and discharging assembly in this embodiment can support the frame of the seeder, and a roller for supporting the frame of the seeder can not be additionally installed on the seeder; in addition, the rotary driving mechanism in the embodiment can be set to be of other structures, the rotary driving mechanism can drive the seed taking roller 13 to rotate to realize seed taking and seed discharging, the roller can be further arranged on the frame of the seeder to support the frame of the seeder, a seeder consisting of the seed taking and seed discharging assembly in the embodiment is suspended, the seeder is only used for taking and discharging seeds but not used for supporting the frame of the seeder, and the rotary driving mechanism can drive the seed taking roller 13 to rotate in the seeding process of the seeder, so that seeding can also be realized. Further, the left-right direction in this embodiment is the longitudinal direction of the support shaft 10, and the rotation direction of the seeder constituted by the seed-taking and discharging assembly shown in fig. 1 and 2 in this embodiment is counterclockwise.

According to one embodiment of the invention, as shown in fig. 3 and 4, the rotary supporting structure extends into the cylindrical groove body, the seed taking roller 13 is sleeved outside the rotary supporting structure, a plurality of guide sliding grooves 132 are circumferentially arranged on the inner side wall of the seed taking roller 13 along the length direction of the seed taking roller 13 at intervals, a plurality of guide protrusions 2131 protruding outwards are respectively arranged on the rotary supporting structure in a manner of facing the guide sliding grooves 132 one by one, and the guide protrusions 2131 are arranged in the guide sliding grooves 132 in a sliding manner in an adaptive manner; get kind of seed metering subassembly and still include: the axial reciprocating motion driving mechanism is arranged between the fixed wheel body 1 and the seed taking roller 13 and is used for driving the seed taking roller 13 to axially reciprocate in the cylindrical groove body along the axial direction of the fixed wheel body 1; furthermore, the seed taking roller 13 is sleeved outside the rotating support structure, so that the seed taking roller 13 is convenient to disassemble and assemble, and the maintenance and replacement of the seed taking roller 13 are convenient; in addition, the seed taking roller 13 suitable for use can be replaced according to the shape of the seeds, so that the seeder comprising the seed taking and discharging assembly of the embodiment can be suitable for seeding various seeds.

In this embodiment, as shown in fig. 3 and 4, the inner sidewall of the seed taking roller 13 is provided with a plurality of guiding chutes 132, the rotating support structure is provided with a plurality of guiding protrusions 2131 facing the guiding chutes 132 one by one, the guiding protrusions 2131 are slidably mounted in the guiding chutes 132 in a matching manner, in addition, an axial reciprocating motion driving mechanism is further mounted between the fixed roller body 1 and the seed taking roller 13, under the driving of the axial reciprocating motion driving mechanism, the seed taking roller 13 axially reciprocates in the cylindrical groove body along the axial direction of the fixed roller body 1, so that the seed taking roller 13 axially reciprocates relative to the fixed roller body 1 while rotating relative to the fixed roller body 1, so that the seed taking roller 13 rotates and axially moves relative to seeds in the seed storage cavity when the seed taking roller 13 passes through the opening of the seed storage cavity, thereby increasing the probability of contact between the notch of the seed storage cavity and seeds in various postures, the suitable seed kind of gesture of being convenient for gets into and deposits kind of groove notch in, and makes the seed kind that is located kind of groove notch get into more easily and deposit kind of groove 131 in to improve kind of the rate of getting of kind of groove 131, reduce or avoid kind of groove 131 to appear lacking kind and influence the homogeneity of seeding.

In one embodiment of the present invention, as shown in fig. 3 to 6, an axial reciprocating drive mechanism includes:

the wavy concave-convex structure 133 is connected to one end of the seed taking roller 13, the wavy concave-convex structure 133 comprises a plurality of convex parts and concave parts which are alternately connected, and a plurality of convex structures 119 which can be sequentially and alternately abutted against the convex parts and the concave parts are arranged on the fixed roller body 1 opposite to the wavy concave-convex structure 133 at equal intervals in the circumferential direction;

one end of the elastic piece is connected to the other end of the seed taking roller 13, the other end of the elastic piece deviates from the seed taking roller 13 and extends outwards and is connected to the fixed wheel body 1, and the elastic piece is compressed between the seed taking roller 13 and the fixed wheel body 1;

in the process that the rotary driving mechanism drives the seed taking roller 13 to rotate in the cylindrical groove body, the plurality of protruding structures 119 are sequentially and alternately abutted against the protruding portions and the recessed portions under the rotating driving of the rotary driving mechanism and the extrusion action of the elastic piece, and the seed taking roller 13 axially reciprocates in the cylindrical groove body along the axial direction of the fixed roller body 1.

In this embodiment, as shown in fig. 3 to 6, when the protruding structure 119 stops from the bottom of the concave portion to the top of the convex portion, the elastic member is further compressed gradually, and the protruding structure 119 pushes the seed-taking roller 13 to slide to one side of the elastic member; when the protruding structure 119 gradually stops from the top of the protruding portion to the bottom of the recessed portion, the elastic member gradually recovers elasticity and extends, the elastic member pushes the seed taking roller 13 to slide away from the elastic member, and the axial reciprocating motion of the seed taking roller 13 in the cylindrical groove body along the axial direction of the fixed wheel body 1 is realized in such a circulating manner; furthermore, the axial reciprocating motion driving mechanism in the embodiment is simple in structure and convenient to produce and manufacture. Further, the protrusion structure 119 is installed on the inner side of the first half wheel body 11 and located inside the first ring limiting protrusion 112, the protrusion structure 119 is in a slope structure, the middle portion of the protrusion structure 119 is the highest, and two circular arcs of the protrusion structure 119 are in transition to reduce the height and are connected with the first half wheel body 11.

In one embodiment of the present invention, as shown in fig. 3 to 6, a plurality of elastic members are provided, and the plurality of elastic members are connected to one end of the seed taking roller 13 at intervals along the circumferential direction away from the wave-shaped concave-convex structure 133; the seed taking roller 13 is extruded by a plurality of elastic pieces together, so that the reliability of extruding the seed taking roller 13 by the elastic pieces is improved. In addition, the elastic member in this embodiment is a spring 15, the spring 15 is convenient to stretch and retract, which is beneficial to the spring 15 compressing a longer length to provide a longer distance sliding space for the seed taking roller 13, and the spring 15 can push the seed taking roller 13 to move reversely when being extended; furthermore, the elastic piece is convenient to maintain and replace. Further, a plurality of spring mounting grooves 134 are circumferentially arranged at intervals at the left end of the seed taking roller 13, one ends of a plurality of springs 15 are mounted in the spring mounting grooves 134, a stop protruding ring 212 is further arranged on the inner side of the rolling disk 21, the stop protruding ring 212 is located on the outer side of the rotary supporting cylinder 213, and the other end of the spring 15 is stopped at the stop protruding ring 212. It should be noted that the elastic member in this embodiment may also adopt other elastic structures, which can provide a compression space and an extrusion force for the seed taking roller 13, and in addition, one elastic member may also be adopted, for example, a large spring is connected to the left end of the seed taking roller 13, so that the large spring is connected to the left end of the seed taking roller 13. Further, the axial reciprocating driving mechanism in this embodiment may also be configured in other structures, the axial reciprocating driving mechanism can drive the seed taking roller 13 to reciprocate, and the way that the axial reciprocating driving mechanism with different structures is disposed between the seed taking roller 13 and the fixed wheel body 1 is appropriately adjusted according to the structure of the axial reciprocating driving mechanism, which is not described in detail herein.

In one embodiment of the present invention, as shown in fig. 3 to 5, the end of the seed storage groove 131 is circular, the seed storage groove 131 is recessed toward the inner side of the seed taking roller 13, the recessed depth of the seed storage groove 131 is not less than the length of any one seed and less than the total length of any two seeds, the width of the seed storage groove 131 is greater than the width of any one seed and less than the total width of any two seeds, and the length of the seed is less than twice the width of the seed; is favorable for ensuring that only one seed is accommodated in one seed storage groove 131 and improving the uniformity of seeding. Further, the seed-taking roller 13 shown in the figure of the present embodiment is suitable for taking seeds of wheat, but it is needless to say that the shape of the seed-storing tank 131 can be adjusted for other seeds according to the specific shape of the seeds to be sown, and the seed-taking roller 13 suitable for use can be designed.

In an embodiment of the present invention, as shown in fig. 3 to 5, a plurality of seed storage groove sets are arranged at intervals in the length direction of the seed taking roller 13, each seed storage groove set includes a plurality of seed storage grooves 131, and the plurality of seed storage grooves 131 in the same seed storage groove set are arranged at equal intervals in the circumferential direction. The seed storage tanks 131 are convenient to take out and discharge a plurality of seeds at one time; furthermore, the seed storage grooves 131 in the same seed storage groove group are circumferentially arranged at equal intervals, and when the seed taking roller 13 rotates at a certain rotating speed, the seed storage grooves 131 passing through the openings of the seed storage cavity are equal in number within the same time, so that the seed taking roller 13 can take seeds uniformly; the number of the seed storage grooves 131 passing through the seed discharge port is the same in the same time, thereby facilitating uniform seeding of the seed taking roller 13.

In one embodiment of the present invention, as shown in fig. 3 to 5, the seed storage grooves 131 of two adjacent seed storage groove sets are arranged in a staggered manner in the length direction of the seed taking roller 13; make two adjacent seed storage grooves 131 dislocation arrangement on the length direction of getting kind cylinder 13, get kind cylinder 13 and carry out axial reciprocating motion's in-process along the axial direction of back shaft 10 in cylindric cell body, increase the probability of the seed contact of seed storage groove notch and multiple gesture, the suitable seed of the gesture of being convenient for gets into in the seed storage groove notch and gets into in the seed storage groove 131, improves the seed rate of getting kind of seed storage groove 131. Further, the seed-taking roller 13 shown in the figure of this embodiment is provided with two seed-storing groove sets, and the seed-storing groove sets may also be provided with three or more seed-storing groove sets.

In one embodiment of the present invention, as shown in fig. 2 to 4, the seed stopping device is a hair brush 14, the hair brush 14 includes a hair brush head 141 and bristles 142, an outer side surface of the hair brush head 141 facing the seed taking roller 13 is connected to the fixed wheel body 1 and located between the seed storage chamber and the seed discharge port, a space is provided between the hair brush head 141 and the outer side surface of the seed taking roller 13, a plurality of bristles 142 are provided, one end of the bristles 142 is connected to the hair brush head 141, and the other end of the bristles 142 extends towards the outer side surface of the seed taking roller 13 and abuts against the outer side surface of the seed taking roller 13. In this embodiment, when seeds pass through the brush bristles 142, a plurality of seeds extrude the brush bristles 142, the brush bristles 142 generate a certain elastic deformation and block the seeds, and when the outer ends of the seeds accommodated in the seed accommodating groove 131 rotate along with the seed taking roller 13 and the brush bristles 142 are in extrusion contact through the end portions of the brush bristles 142, the brush bristles 142 can also generate an elastic deformation to avoid the outer ends of the seeds accommodated in the seed accommodating groove 131, so that the seeds are prevented from being damaged by extrusion when passing through the seed blocking device; further, the brush head 141 in this embodiment is fixed to the mounting plate 1151 by bolts. In addition, the seed blocking device in the embodiment can be arranged in other structures, and the seed blocking device can reliably block the seeds.

In addition, the seed taking and discharging device provided by the embodiment includes, as shown in fig. 1 and fig. 2: a support shaft 10; in the seed taking and seeding assembly, the fixed wheel body 1 is fixedly connected to the peripheral side of the supporting shaft 10, and the supporting shaft 10 is arranged on the center of the fixed wheel body 1 in a penetrating manner in a manner of being vertical to the side surface of the fixed wheel body 1; the protruding supporting structure is used for supporting the rolling wheel body 2, the protruding supporting structure is connected to the outer side wheel face of the rolling wheel body 2 and protrudes towards the outer side of the rolling wheel body 2, the rolling wheel body 2 is in rolling process, the protruding supporting structure is in contact with soil, the protruding supporting structure is provided with a seed discharging groove 224, and the seed discharging groove 224 is communicated with the seed passing hole 222.

In the present embodiment, as shown in fig. 1 and 2, the supporting shaft 10 is provided to facilitate the fixed sheave body to be fixedly connected to the peripheral side of the supporting shaft 10, and the fixed sheave body 1 is supported by the supporting shaft 10; in addition, the outer side wheel surface of the rolling wheel body 2 in this embodiment is provided with a protrusion supporting structure, the protrusion supporting structure is provided with a seed discharging groove 224, and the protrusion supporting structure can contact with soil, so that the seed discharging groove 224 is suspended above the soil, which is beneficial for discharging seeds smoothly through the seed discharging groove 224; furthermore, the seed taking and discharging device in the embodiment is not provided with a seed sowing hole nozzle like a hole sowing device, so that the problem that the seed taking and discharging device is not suitable for sowing in the fields with heavy soil moisture and more straws or/and weeds due to the seed sowing hole nozzle can be avoided, and even if the seed taking and discharging device in the embodiment is used for sowing in the fields with heavy soil moisture and more straws or/and weeds, smooth sowing can be realized. Further, the supporting structure of the protrusion in this embodiment is connected with the supporting wheel body 22 as a whole, or the supporting structure of the protrusion and the supporting wheel body 22 may be separated into two independent parts, and the supporting structure of the protrusion in the annular structure is fixedly connected to the outer side of the supporting wheel body 22, and a plurality of supporting protrusions 225 are circumferentially arranged on the outer wall of the supporting structure of the protrusion in this embodiment at intervals, and the supporting protrusions 225 are in a rectangular parallelepiped structure.

In the present embodiment, as shown in fig. 7 and 8, by providing the suspension support base 5, the fixed wheel 1 is mounted on the suspension support base 5, and the seed fall guide 3 is mounted on the suspension support base 5; the seed kind falling guide 3 includes: the seed blocking part 30 is arranged on the suspension support seat 5 opposite to the seed discharge port and is positioned outside the convex support structure, a seed chute 303 is arranged on the seed blocking part 30, and one side and the lower side of the seed chute 303 opposite to the seed discharge port are both opened; seed kind whereabouts guide portion 31 is connected at the lower extreme of seed barrier portion 30, seed kind whereabouts guide portion 31 is equipped with seed kind guiding groove 311, seed kind guiding groove 311 is just to one side of seed kind discharge port, upside and downside are all uncovered, seed kind guiding groove 311 forms seed kind whereabouts guiding groove with seed kind chute 303 intercommunication, and the lower extreme of seed kind whereabouts guide portion 31 is less than the protruding bearing structure on the rolling wheel body 2, one side that seed kind whereabouts guide portion 31 deviates from seed kind guiding groove 311 is equipped with bulldozing ditching portion 312 that is used for bulldozing, bulldozing ditching portion 312 can bulldoze and form the seeding slot that is used for seed kind to bury.

In the present embodiment, as shown in fig. 7 and 8, the suspension support seat 5 is provided to facilitate the mounting of the fixed wheel body 1 on the suspension support seat 5, so as to fix the fixed wheel body 1; in addition, the seeds enter the seed falling guide groove after being discharged from the seed discharge groove 224 and fall into the soil under the limitation of the seed falling guide groove, and the falling position of the seeds is at least flush with the bottom of the seed falling guide groove, so that the sowing depth of the seeds is ensured, and the sowing depth of the seeds is suitable; further, the dozing ditching portion 312 can doze and form the seeding slot that is used for the seed to bury, make seed whereabouts guiding device 3 have the effect of dozing ditching, can save to set up alone the dozing ditching device and bulldoze and form the seeding slot that is used for the seed to bury, and seed whereabouts guiding device 3 is close to the roller wheel body 2, make the dozing ditching portion 312 doze and form the seeding slot that is used for the seed to bury and can sow immediately, reduce and sow the depth that the seeding slot is backfilled again by soil and influences the seed. Further, the lower end of the seed falling guide part 31 is provided with a vertical extension section 304, and the seed falling guide part 31 is detachably connected to the vertical extension section 304 through a third bolt 32, so that the seed falling guide part 31 can be conveniently replaced and maintained. Further, the swing arm 50 is further provided with a pin hole 501, a limit pin 1101 is installed on the outer side of the first half wheel body 11, and the limit pin 1101 is inserted into the pin hole 501, so that the stability of the swing arm 50 for supporting the first half wheel body 11 is improved.

In the embodiment, as shown in fig. 7 and 8, the suspension support seat 5 includes a locking mount 53 and a swing arm 50, the locking mount 53 is fixedly connected to the frame of the seeder through a locking member 531, one end of the swing arm 50 is rotatably mounted on the locking mount 53 through a support rod 54, the other end of the swing arm 50 is provided with a first connecting rod extending toward the support shaft 10, the support shaft 10 is fixedly connected to an end of the first connecting rod through a first locking nut 101 and a second locking nut 102, an inclined support is provided at an upper end of the locking mount 53, a pressure adjusting rod 55 is connected between the inclined support and the swing connecting rod, the pressure adjusting rod 55 passes through the inclined support and is limited and fixed through a limiting fixture block 57, the pressure adjusting rod 55 is sleeved with a pressure adjusting spring 56, the pressure adjusting rod 55 is provided with a clamping groove, the limiting fixture block 57 can be respectively clamped in the clamping grooves at different positions to compress the pressure adjusting spring 56, the height of the rolling wheel body 2 can be limited and the pressure can be adjusted by adjusting the tightness of the pressure adjusting spring 56. The seed stopping portion 30 is provided with a supporting connection portion 301 on a side away from the rolling wheel body 2, and the supporting connection portion 301 is fixedly connected with the swing arm 50 through a bolt four 58. The seed blocking portion 30 in this embodiment is an arc structure, the seed chute 303 is an open U-shaped structure toward the rolling wheel body 2, and the seed guiding groove 311 is also an open U-shaped structure toward the rolling wheel body 2. And the first connecting rod is provided with a vertical supporting rod 51, the upper end of the vertical supporting rod 51 is provided with a seed storage box mounting seat 52, a seed storage box 6 is mounted on the seed storage box mounting seat 52, the seed storage box 6 is communicated with a seed storage cavity through a seed conveying pipe 1105, and the lower end of the seed conveying pipe 1105 is connected with a seed input port 1102.

In one embodiment of the present invention, as shown in fig. 7 and 8, the impurity cleaning device 4 is provided, and the impurity cleaning part of the impurity cleaning device 4 extends into the seed discharging groove 224, so that the seed discharging groove 224 is prevented from being blocked by impurities to affect the smooth discharging of the seeds, and the reliability of the discharging of the seeds is improved. Further, the sundries cleaning device 4 is specifically installed at the top of the rolling wheel body 2, the sundries cleaning device 4 comprises an arc-shaped connecting part 40 and a baffle plate 41, the arc-shaped connecting part 40 is connected to the upper end of the seed blocking part 30 and located on the upper side of the rolling wheel body 2, the baffle plate 41 is fixedly connected to the rear end of the arc-shaped connecting part 40 through a five bolt 412, a five bolt hole 413 for passing the five bolt 412 is formed in the baffle plate 41, the sundries cleaning part connected to the lower end of the baffle plate 41 is a sundries cleaning block 411, and the sundries cleaning block 411 extends downwards and extends into the seed sowing groove; further, the arc-shaped connecting portion 40 is provided with a fixing connecting portion 302, and the fixing connecting portion 302 is fixedly connected with the seed storage box mounting seat. Further, a seed storage box 6 is arranged on the seed taking and discharging device, the seed storage box 6 is communicated with the seed storage cavity through a seed conveying pipe 1105, and the lower end of the seed conveying pipe 1105 is connected with a seed input port 1102.

In addition, in addition to the technical solutions disclosed in the present embodiment, for other components of the seeding machine in the present invention, and the working principle thereof, etc., reference may be made to conventional technical solutions in the technical field, and these conventional technical solutions are not the gist of the present invention, and the present invention is not set forth herein in detail.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A seed-receiving and metering assembly comprising:

2. The seed pick and feed assembly of claim 1, wherein the rotational drive mechanism comprises:

3. The seed taking and discharging assembly according to claim 2, wherein the rotary supporting structure extends into the cylindrical groove body, the seed taking roller is sleeved outside the rotary supporting structure, a plurality of guide sliding grooves are formed in the inner side wall of the seed taking roller at intervals along the length direction of the seed taking roller in the circumferential direction, a plurality of guide protrusions protruding outwards are respectively arranged on the rotary supporting structure in a manner of facing the guide sliding grooves one by one, and the guide protrusions are matched and slidably mounted in the guide sliding grooves;

further comprising:

4. A seed metering assembly as set forth in claim 3 wherein the axially reciprocating drive mechanism includes:

5. The seed pick and feed assembly of claim 4 wherein the resilient member is provided in a plurality, the plurality of resilient members being attached to one end of the seed pick drum at circumferentially spaced apart locations away from the undulating relief.

6. The seed take and feed assembly of any one of claims 1 to 5 wherein the end of the seed deposit trough is circular, the seed deposit trough is recessed toward the inside of the seed take roller, the depth of the seed deposit trough recess is no less than the length of any one seed species and less than the total length of any two seed species, the width of the seed deposit trough is greater than the width of any one seed species and less than the total width of any two seed species, and the length of the seed species is less than twice the width of the seed species.

7. A seed-taking and seed-discharging assembly according to any one of claims 1 to 5, wherein a plurality of seed-storing groove groups are arranged at intervals in the length direction of the seed-taking roller, each seed-storing groove group comprises a plurality of seed-storing grooves, and the plurality of seed-storing grooves in the same seed-storing groove group are arranged at equal intervals in the circumferential direction.

8. The seed pick and feed assembly of claim 7 wherein a plurality of said seed pockets of two adjacent sets of said seed pocket sets are offset along the length of said seed pick drum.

9. The seed taking and discharging assembly according to any one of claims 1 to 5, wherein the seed blocking device is a brush, the brush comprises a brush head and bristles, the brush head is connected to the fixed wheel body opposite to the outer side surface of the seed taking roller and located between the seed storage cavity and the seed discharge port, a space is formed between the brush head and the outer side surface of the seed taking roller, the bristles are provided with a plurality of parts, one ends of the bristles are connected to the brush head, and the other ends of the bristles extend towards the outer side surface of the seed taking roller and lean against the outer side surface of the seed taking roller.

10. A seed-taking and seed-metering device is characterized by comprising:

a support shaft;

the seed-taking and seed-discharging assembly of any one of the above claims 2 to 9, wherein the fixed wheel body is fixedly connected to the peripheral side of the supporting shaft, and the supporting shaft is arranged on the center of the fixed wheel body in a way of penetrating through the side surface of the fixed wheel body perpendicular to the fixed wheel body;

the protruding supporting structure is used for supporting the rolling wheel body, the protruding supporting structure is connected to the outer side wheel face of the rolling wheel body and protrudes out of the outer side of the rolling wheel body, the rolling wheel body is in the rolling process, the protruding supporting structure is in contact with soil, a seed discharging groove is arranged on the protruding supporting structure, and the seed discharging groove is communicated with the seed passing hole.