CN115500120B - Circulation rotary earthing seeding device of growing seedlings - Google Patents
Circulation rotary earthing seeding device of growing seedlings Download PDFInfo
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- CN115500120B CN115500120B CN202211331131.9A CN202211331131A CN115500120B CN 115500120 B CN115500120 B CN 115500120B CN 202211331131 A CN202211331131 A CN 202211331131A CN 115500120 B CN115500120 B CN 115500120B
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- 238000010899 nucleation Methods 0.000 title claims abstract description 136
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000009331 sowing Methods 0.000 claims description 124
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 240000001931 Ludwigia octovalvis Species 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
Abstract
The invention discloses a circulating rotary type earthing seeding seedling device, which comprises a rotary seeding mechanism and a travelling mechanism of the earthing mechanism, wherein the travelling mechanism is sequentially arranged from front to back, the rotary seeding mechanism comprises a seeding disc and a rotary driving assembly, a plurality of circumferentially distributed seeding channels with seed filling openings are radially arranged at one end close to an axle center of the seeding disc, a conveying pipe with an output end in clearance fit with a plane where the seed filling openings are arranged on the travelling mechanism, an annular part in clearance fit with the outer periphery side of the seeding disc is arranged on the annular part, the seeding openings are arranged below a rotating shaft of the seeding disc, the seeding disc can not only efficiently receive, arrange and sow seeds, but also enable the seeds in the seeding channels communicated with the seeding openings to be accelerated to be sowed under the assistance of centrifugal force when the seeding disc rotates to enable the seeds to enter the seed filling openings and the seeding channels, so that the seeding precision and the seeding efficiency are improved.
Description
Technical Field
The invention relates to the technical field of agricultural seeding tools, in particular to a circulating rotary earthing seeding device.
Background
The seeder is a planting machine which uses crop seeds as seeding objects and is used for seeding certain types or crops, and currently, an air suction seeder is commonly used.
Compared with a mechanical seeder, the pneumatic seeder has the advantages of high seeding precision, miss seeding rate, low rebroadcast rate and strong adaptability.
However, when the air suction type seeder works, the matched tractor not only drives the whole seeder to walk, but also drives the fan to rotate at a high speed, and a certain amount of fuel oil is consumed additionally. In addition, the blower fan associated with the air suction type seeder requires high processing precision, so that the manufacturing and maintenance costs are correspondingly increased, and therefore, a seeder which can relatively balance the seeding precision, energy saving and manufacturing and maintenance costs is needed.
Disclosure of Invention
The invention aims to provide a circulating rotary type earthing seeding seedling device, which aims to solve the technical problem of unbalanced performances of a seeder in the prior art.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the circularly rotary earthing seeding and seedling raising device comprises a travelling mechanism which is sequentially provided with a rotary seeding mechanism and an earthing mechanism from front to back;
the rotary sowing mechanism comprises a sowing disc and a rotary driving assembly, the sowing disc is rotatably arranged on the travelling mechanism through the rotary driving assembly, and the sowing disc is provided with a receiving part positioned at one axial end;
a plurality of seeding channels are radially arranged in the receiving part, the seeding channels penetrate through the outer peripheral side of the seeding tray to form seed outlets, the seeding channels are circumferentially distributed around the rotating shaft of the seeding tray, and seed filling openings communicated with the seeding channels are arranged at the central end of the receiving part, which is close to the rotating shaft of the seeding tray;
the travelling mechanism is provided with a conveying pipe with an output end in clearance fit with the annular planes where the seed filling openings are positioned, and the conveying pipe is used for guiding seeds to be conveyed to the seed filling openings;
the rotary driving assembly is provided with an annular part which is in clearance fit with the outer periphery side of the sowing disc, a sowing port is arranged below the sowing disc rotating shaft, and the rotary driving assembly drives the sowing disc to rotate so that a plurality of sowing outlets of the sowing channels are sequentially aligned with the sowing ports below, so that a plurality of seeds in the sowing channels sequentially pass through the sowing ports to be sowed under the action of gravity and centrifugal force.
As a preferable scheme of the invention, the seeding tray is horizontally and vertically arranged in a rotating shaft, the receiving part is in a convex cone shape, the output end of the conveying pipe is obliquely downwards arranged, and the seed filling opening is positioned above the rotating shaft of the seeding tray, so that seeds output by the seed filling opening can sufficiently pass through the seeding channel.
As a preferable scheme of the invention, the seeding tray is provided with a guide hole communicated with the seed filling port, and a reciprocating driving assembly is arranged in the seeding tray and is connected with a strip gate, and the strip gate is in sliding plug fit with the guide hole and the seeding channel;
the reciprocating driving assembly periodically drives the strip gate to reciprocate, so that the strip gate pushes seeds in the seed filling port into the sowing channel, simultaneously seals the seed filling port, and resets the strip gate into the guide hole after the sowing channel passes through the sowing port.
As a preferable scheme of the invention, one end of the strip gate close to the sowing channel is provided with a wedge-shaped part, the surface of the wedge-shaped part facing the conveying pipe is provided with an inclined plane, and one end of the inclined plane close to the sowing channel is obliquely arranged in a direction away from the conveying pipe;
the length of the seed filling opening in the radial direction of the sowing disc is not smaller than the grain diameter of the seeds, the width of the seed filling opening is equal to or more than the grain diameter of the seeds, and the width of the seed filling opening is equal to or more than the thickness of the wedge-shaped part close to the front end of the sowing channel.
As a preferable scheme of the invention, two sides of the seeding channel, which are close to the central end of the seeding disc rotating shaft, are respectively provided with an inclined slope, and redundant seeds piled up at the inner end of the seeding channel return into the conveying pipe along the slopes through the relative rotation of the conveying pipe and the circular seeding disc.
As a preferred scheme of the invention, the rotary driving assembly comprises a shell with the annular part, a transmission shaft rotatably arranged on the shell, and a motor component for driving the transmission shaft to rotate, wherein a circular cavity for rotatably arranging the seeding tray is arranged in the shell, the cavity wall of the circular cavity facing the receiving part is in clearance fit with the receiving part, and the transmission shaft is fixedly connected with the seeding tray rotatably arranged in the shell coaxially;
one end of the advancing direction of the advancing mechanism is provided with a bracket, the shell is fixedly arranged on the bracket, and the transmission shaft is rotatably arranged on the bracket and connected with the motor assembly.
As a preferred aspect of the present invention, the rotary drive assemblies of the rotary seeding mechanisms are connected to the motor assembly by the same transmission shaft penetrating the housing of the rotary drive assemblies and the seeding tray.
As a preferable scheme of the invention, the reciprocating driving assembly comprises a shaft sleeve, a cam and a reset spring, wherein the shaft sleeve is connected with the shell and sleeved on the transmission shaft, the cam is fixedly arranged on the shaft sleeve, an annular groove is coaxially arranged on the inner peripheral side of the seeding disc, the cam is relatively rotatably arranged in the annular groove, and the tail end of the strip-shaped gate, which is far away from the wedge-shaped part, is abutted against the cam;
after the seed filling port corresponding to the sowing channel reaches the output end of the conveying pipe, the strip gate contacts the cam and moves along one side of the cam, so that the strip gate is driven by the reaction force of the cam to move towards the sowing channel until the strip gate passes over the top point of the cam and is driven by the reset spring to reset;
the hole wall of the guide hole is provided with a long groove, the reset spring is arranged in the long groove, and one end of the reset spring, which is far away from the sowing channel, is connected with the strip gate.
As a preferable scheme of the invention, the cam is rotatably sleeved on the shaft sleeve, the shaft sleeve is provided with a torsion spring, the cam and the shaft sleeve are both connected with the torsion spring, the torsion spring is used for providing buffering when the cam contacts with the strip brake, and the shaft sleeve is provided with a limiting structure for limiting the rotation angle of the cam.
As a preferable scheme of the invention, the limiting structure is a limiting protrusion arranged on the side wall of the shaft sleeve, one axial end of the cam is provided with a limiting groove, and the limiting clamp and the limiting groove are in sliding insertion fit in the rotating direction of the cam.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the seeding disc is driven to rotate by the rotary driving assembly, the seeding disc provided with the seed filling openings and the seeding channels not only can efficiently receive, arrange and sow seeds, but also can enable the seeds in the seeding channels communicated with the seeding openings to be accelerated to be sown under the assistance of centrifugal force when the seeding disc rotates to enable the seeds to enter the seed filling openings and the seeding channels, so that the seeding precision and the seeding efficiency are improved, and the rotary seeding mechanism has the advantage of simple structure due to the ingenious structural design of the rotary seeding mechanism, and is beneficial to the cost reduction and the reliability improvement of the rotary seeding mechanism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the seed tray of the present invention;
FIG. 3 is a schematic view of the structure of the seed filling port of the present invention;
FIG. 4 is a schematic view of the rotary seeding mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the housing of the present invention;
FIG. 6 is a schematic diagram of a strip gate according to the present invention.
Reference numerals in the drawings are respectively as follows:
1-a rotary seeding mechanism; 2-a soil covering mechanism; 3-a travel mechanism; 4-sowing channels; 5-a limit groove; 6, filling the seed opening; 7-a material conveying pipe; 8-sowing holes; 9-a reciprocating drive assembly; 10-guiding holes; 11-bar gate; 12-wedge; 13-slope; 14-a bracket; 15-an annular groove; 16-torsion spring; 17-limit protrusions;
101-sowing trays; 102-a rotary drive assembly;
901-a shaft sleeve; 902-a cam; 903—a return spring;
1021-a ring portion; 1022-housing; 1023-drive shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, the invention provides a circulating rotary type earthing seeding and seedling raising device, which comprises a travelling mechanism 3, wherein a rotary seeding mechanism 1 and an earthing mechanism 2 are sequentially arranged from front to back;
the rotary seeding mechanism 1 comprises a seeding disc 101 and a rotary driving assembly 102, wherein the seeding disc 101 is rotatably arranged on the travelling mechanism 3 through the rotary driving assembly 102, and the seeding disc 101 is provided with a receiving part positioned at one axial end;
a plurality of sowing channels 4 are radially arranged in the receiving part, the sowing channels 4 penetrate through the outer peripheral side of the sowing disc 101 to form seed outlets, the plurality of sowing channels 4 are circumferentially distributed around the rotating shaft of the sowing disc 101, and a seed filling port 6 communicated with the sowing channels 4 is arranged at the central end of the receiving part, which is close to the rotating shaft of the sowing disc 101;
the travelling mechanism 3 is provided with a conveying pipe 7, the output end of which is in clearance fit with the annular plane where the seed filling openings 6 are positioned, and the conveying pipe 7 is used for guiding seeds to be conveyed to the seed filling openings 6;
the rotary drive assembly 102 has an annular portion 1021 which is in clearance fit with the outer peripheral side of the seeding tray 101, a seeding opening 8 is provided below the rotation shaft of the seeding tray 101, and the rotary drive assembly 102 sequentially aligns the seed outlets of the plurality of seeding passages 4 with the seeding opening 8 below by driving the seeding tray 101 to rotate, so that seeds in the plurality of seeding passages 4 are sequentially sown through the seeding opening 8 under the action of gravity and centrifugal force.
When the sowing operation is carried out, the advancing mechanism 3 moves along the ridges, the rotary sowing mechanism 1 sows seeds into the grooves on the ridges, and the soil on two sides of the grooves is covered on the seeds by the soil covering mechanism 2 at the rear, so that the sowing and the soil covering are completed.
In particular, the rotary sowing mechanism 1 achieves acquisition, arrangement and sowing of seeds by the sowing tray 101 provided with the plurality of sowing channels 4 on one side of the rotary arrangement, compared with the currently employed air-suction type sowing machine. Specifically, when the seeding operation is performed, the rotary driving assembly 102 drives the seeding tray 101 to rotate at a constant speed, and when the seeding tray 101 rotates, seeds in the conveying pipe 7 with the top connected with the seed box can be automatically filled into the seed filling port 6 under the action of gravity and pressure. Seeds in the seed filling port 6 enter the sowing channel 4 in the downward rotating process of the corresponding sowing channel 4, and when the seed outlet at the tail end of the sowing channel 4 is aligned with the sowing port 8 below, the seeds in the sowing channel 4 are sowed from the sowing port 8 under the action of centrifugal force and gravity, so that sowing operation is realized.
Wherein the annular portion 1021 acts to prevent seeds in the underlying sowing channel 4 from falling out of the sowing channel 4 before the seed outlet is aligned with the sowing port 8. In addition, the length of the seed opening 8 in the direction of rotation of the seed outlet is greater than the length of the seed outlet so that the seeds in the seed passage 4 have sufficient time to pass through the seed opening 8. The width of the seed filling opening 6 and the sowing channel 4 should be slightly larger than the diameter of the seeds, the length of the seed filling opening 6 is set according to the number of the seeds to be sown at the same sowing point, for example, two seeds need to be sown at the same time, and the length of the seed filling opening 6 should be slightly larger than the sum of the diameters of the two seeds.
The rotary sowing mechanism 1 of the invention drives the sowing disc 101 to rotate through the rotary driving assembly 102, so that seeds output by the conveying pipe 7 are automatically filled into a plurality of seed filling openings 6 on one side of the sowing disc 101 in sequence, and in the process of downwards rotating the sowing disc 101, the seeds in the seed filling openings 6 move towards the sowing channel 4 under the action of gravity and centrifugal force, and when the seed outlet at the tail end of the sowing channel 4 is aligned with the sowing opening 8 on the annular part 1021, the seeds in the sowing channel 4 are sowed from the sowing opening 8 under the action of gravity and centrifugal force.
The seeding tray 101 provided with the plurality of seed filling openings 6 and the seeding channels 4 not only can efficiently receive, arrange and sow seeds, but also can enable the seeds in the seeding channels 4 communicated with the seeding openings 8 to be accelerated under the assistance of centrifugal force when the seeding tray 101 rotates to enable the seeds to enter the seed filling openings 6 and the seeding channels 4, thereby being beneficial to improving the seeding precision and the seeding efficiency, and enabling the rotary seeding mechanism 1 to have the advantage of simple structure due to the ingenious structural design of the rotary seeding mechanism 1, and being beneficial to the cost reduction and the reliability improvement of the rotary seeding mechanism 1.
For the setting of convenient rotary drive assembly 102, seeding dish 101 is the vertical setting of rotation axis level, and in order to solve the seed that the conveying pipeline 7 output that exists when the vertical setting of seeding dish 101 is difficult for getting into and fill a kind mouth 6, avoid causing seeding dish 101 to exist the condition that the seed is not timely filled to filling a kind mouth 6 when the rotational speed is higher, set up the receiver into bellied toper to do benefit to in filling a kind mouth 6 of seed entering above filling a kind mouth 6, and the output slope of conveying pipeline 7 sets up downwards, thereby further do benefit to the seed to fill a kind mouth 6 and fill. And, fill out kind mouth 6 is located the top of sowing tray 101 pivot to make the seed that fills out kind mouth 6 output have enough time to pass through sowing channel 4, be favorable to avoiding or reducing the seed in the sowing channel 4 and in time pass through sowing channel 4 and sowing mouth 8 and the condition that can't be sowed down when the seed outlet of sowing channel 4 terminal and sowing mouth 8 butt joint.
In order to avoid the situation that the seed filling port 6 is refilled with seeds after the filled seeds enter the sowing channel 4 within the same sowing period, namely, within one circle of rotation of the sowing disc 101, and the sowing quantity of the same sowing point is uncontrollable, the sowing disc 101 is provided with a guide hole 10 communicated with the seed filling port 6, the sowing disc 101 is internally provided with a reciprocating driving assembly 9, the reciprocating driving assembly 9 is connected with a strip-shaped gate 11, and the strip-shaped gate 11 is in sliding plug connection with the guide hole 10 and the sowing channel 4.
The reciprocating driving assembly 9 periodically drives the strip gate 11 to reciprocate, so that the strip gate 11 seals the seed filling port 6 while pushing seeds in the seed filling port 6 into the sowing channel 4, and the strip gate 11 resets into the guide hole 10 after the sowing channel 4 passes through the sowing port 8.
It is further optimized in the above embodiment that one end of the strip gate 11 close to the sowing channel 4 is provided with a wedge-shaped part 12, the surface of the wedge-shaped part 12 facing the conveying pipe 7 is provided with an inclined plane, and one end of the inclined plane close to the sowing channel 4 is obliquely arranged in a direction away from the conveying pipe 7, so that redundant bottomed seeds in the seed filling port 6 are scooped up by the wedge-shaped part 12 and move upwards along the inclined plane along with the movement of the strip gate 11 towards the sowing channel 4, and therefore, the situation that redundant seeds supported on other seeds in the seed filling port 6 are crushed in the process of moving the strip gate 11 towards the sowing channel 4 is avoided, the germination rate of the seeds is guaranteed, and the situation that the seeds are accumulated at the seed filling port 6 after being crushed, so that the seed filling port 6 is blocked is avoided.
The length of the seed filling opening 6 in the radial direction of the sowing tray 101 is not smaller than the seed particle diameter, the width of the seed filling opening 6 is 1-1.5 times of the seed particle diameter so as to adapt to the size difference of seeds, and the width of the seed filling opening 6 is 2 times of the thickness of the wedge-shaped part 12 near the front end of the sowing channel 4 so as to facilitate the wedge-shaped part 12 to push the front seeds and jack up the redundant seeds.
In order to further discharge the excessive seeds in the seed filling port 6, two sides of the sowing channel 4, which are close to the center end of the rotation shaft of the sowing tray 101, are provided with inclined slopes 13, and the excessive seeds piled up at the inner end of the sowing channel 4 are returned into the conveying pipe 7 along the slopes 13 through the relative rotation of the conveying pipe 7 and the circular sowing tray 101.
The reciprocating drive assembly 9 comprises a shaft sleeve 901, a cam 902 and a return spring 903, wherein the shaft sleeve 901 is connected with the shell 1022 and sleeved on the transmission shaft 1023, the cam 902 is fixedly arranged on the shaft sleeve 901, an annular groove 15 is coaxially arranged on the inner periphery side of the seeding disc 101, the cam 902 is relatively rotatably arranged in the annular groove 15, and the tail end of the strip gate 11, which is far away from the wedge-shaped part 12, is abutted against the cam 902.
After the seed filling port 6 corresponding to the sowing channel 4 reaches the output end of the feed conveying pipe 7, the strip gate 11 contacts the cam 902 and moves along one side of the cam 902, so that the strip gate 11 is driven by the reaction force of the cam 902 to move towards the sowing channel 4 until the strip gate 11 passes over the top point of the cam 902 and is driven by the reset spring 903 to reset.
The hole wall of the guide hole 10 is provided with a long groove, the return spring 903 is arranged in the long groove, and one end of the return spring 903, which is far away from the sowing channel 4, is connected with the strip gate 11.
The advantage of the embodiment of the reciprocating drive assembly 9 described above is that the seed filling port 6 reaches the output area of the feed conveyor pipe 7 by only matching the seeding tray 101 with the cam 902 on the fixedly arranged sleeve 901, and the strip gate 11 corresponding to the seed filling port 6 is driven by the cam 902, so that the strip gate 11 closes the seed filling port 6 and pushes the seeds in the seed filling port 6 into the seeding channel 4. The return spring 903 connected to the bar gate 11 is compressed while the bar gate 11 is pushed toward the sowing passage 4, so that the bar gate 11 is released from the cam 902 and is returned by the return spring 903, and the seed filling port 6 is opened again. That is, the embodiment of the reciprocating driving assembly 9 does not need additional power driving, so that the structure of the reciprocating driving assembly 9 can be simplified, the cost and the setting difficulty of the reciprocating driving assembly 9 are reduced, and the reliability is high.
And, the cam 902 rotates and is sleeved on the shaft sleeve 901, the torsion spring 16 is arranged on the shaft sleeve 901, the cam 902 and the shaft sleeve 901 are connected with the torsion spring 16, the torsion spring 16 is used for providing buffering when the cam 902 contacts with the strip brake 11 so as to prolong the service life of the cam 902 and reduce noise of the strip brake 11, especially when the rotating speed of the seeding disc 101 is higher, the cam 902 contacts with the tail end of the strip brake 11 and rotates, along with the movement of the strip brake 11 to the vertex of the cam 902, the resistance of the cam 902 by the strip brake 11 is reduced, so that the torsion spring 16 releases elastic potential energy in the final stage of pushing seeds to the seeding channel 4 by the strip brake 11, the seeds can be accelerated to push the seeds in the final stage of pushing the seeds to the seeding channel 4, the seeds can be facilitated to pass through the seeding channel 4 and the seeding opening 8 quickly, the requirement of seeding disc 101 for seeding at a higher rotating speed is met while the matching mode of the cam 902 and the strip brake 11 is optimized, and the seeding efficiency is ensured.
And, be provided with the limit structure who is used for restricting cam 902 turned angle on the axle sleeve 901 to avoid cam 902 excessive rotation to cushion and lead to the condition to take place that strip floodgate 11 can not in time promote the seed through sowing port 8. Specifically, the limit structure is a limit protrusion 17 arranged on the side wall of the shaft sleeve 901, one axial end of the cam 902 is provided with a limit groove 5, and the limit clamp and the limit groove 5 are in sliding insertion fit in the rotation direction of the cam 902.
Wherein, the rotary drive assembly 102 includes a housing 1022 having an annular portion 1021, a transmission shaft 1023 rotatably disposed on the housing 1022, and a motor assembly 1024 for driving the transmission shaft 1023 to rotate, the transmission shaft 1023 is rotatably disposed on the housing 1022, a circular cavity for rotatably disposing the seed tray 101 is provided in the housing 1022, and a cavity wall of the circular cavity facing the receiving portion is in clearance fit with the receiving portion, and the transmission shaft 1023 is fixedly connected coaxially with the seed tray 101 rotatably disposed in the housing 1022. One end of the traveling mechanism 3 in the traveling direction has a bracket 14, and a housing 1022 is fixedly provided on the bracket 14, and a transmission shaft 1023 is rotatably provided on the bracket 14 and connected to a motor assembly 1024.
The purpose of the housing 1022 is to avoid that seeds in the seed filling port 6 are easy to fall out due to external air flow, rainwater and foreign matters which are contacted with the seeds filling port 6 or difficult to smoothly enter the sowing channel 4 due to the direct exposure of the seed filling port 6 after the sowing disc 101 is directly exposed to cause the seed filling port 6 to leave the output area of the conveying pipe 7. And, the housing 1022 provided on the stand 14 can function to stabilize the transmission shaft 1023, thereby facilitating smooth rotation of the seed tray 101.
In addition, the seeding tray 101 is vertical, so that the rotary driving assemblies 102 of the rotary seeding mechanisms 1 can be connected with the motor assembly 1024 through the same transmission shaft 1023, and the transmission shaft 1023 penetrates through the shells 1022 of the rotary driving assemblies 102 and the seeding tray 101, thereby reducing the arrangement difficulty and cost of the rotary driving assemblies 102 when the rotary seeding mechanisms 1 are arranged in parallel for seeding.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements may be made to the present application by those skilled in the art, which modifications and equivalents are also considered to be within the scope of the present application.
Claims (7)
1. The circularly rotary earthing seeding seedling device is characterized by comprising a rotary seeding mechanism (1) and a travelling mechanism (3) of an earthing mechanism (2) which are sequentially arranged from front to back;
the rotary sowing mechanism (1) comprises a sowing disc (101) and a rotary driving assembly (102), wherein the sowing disc (101) is rotatably arranged on the travelling mechanism (3) through the rotary driving assembly (102), and the sowing disc (101) is provided with a receiving part positioned at one axial end;
a plurality of sowing channels (4) are radially arranged in the receiving part, the sowing channels (4) penetrate through the outer periphery side of the sowing disc (101) to form seed outlets, the sowing channels (4) are circumferentially distributed around the rotating shaft of the sowing disc (101), and a seed filling port (6) communicated with the sowing channels (4) is formed in the receiving part, close to the central end of the rotating shaft of the sowing disc (101);
the travelling mechanism (3) is provided with a conveying pipe (7) with an output end in clearance fit with annular planes where a plurality of seed filling openings (6) are positioned, and the conveying pipe (7) is used for guiding seeds to be conveyed to the seed filling openings (6);
the rotary driving assembly (102) is provided with an annular part (1021) in clearance fit with the outer periphery side of the sowing disc (101), a sowing port (8) is arranged below the rotating shaft of the sowing disc (101), and the rotary driving assembly (102) sequentially aligns the seed outlets of the sowing channels (4) with the sowing ports (8) below by driving the sowing disc (101) to rotate so that seeds in the sowing channels (4) sequentially pass through the sowing ports (8) under the action of gravity and centrifugal force;
the seeding disc (101) is provided with a guide hole (10) communicated with the seed filling port (6), a reciprocating driving assembly (9) is arranged in the seeding disc (101), the reciprocating driving assembly (9) is connected with a strip gate (11), and the strip gate (11) is in sliding plug-in fit with the guide hole (10) and the seeding channel (4);
the reciprocating driving assembly (9) periodically drives the strip gate (11) to reciprocate, so that the strip gate (11) pushes seeds in the seed filling port (6) into the sowing channel (4) and simultaneously seals the seed filling port (6), and the strip gate (11) resets into the guide hole (10) after the sowing channel (4) passes through the sowing port (8);
the rotary driving assembly (102) comprises a shell (1022) with the annular part (1021), a transmission shaft (1023) rotatably arranged on the shell (1022), and a motor assembly (1024) for driving the transmission shaft (1023) to rotate, wherein a circular cavity for rotatably arranging the seeding tray (101) is arranged in the shell (1022), the cavity wall of the circular cavity facing the receiving part is in clearance fit with the receiving part, and the transmission shaft (1023) is fixedly connected with the seeding tray (101) rotatably arranged in the shell (1022) in a coaxial way;
one end of the travelling mechanism (3) in the travelling direction is provided with a bracket (14), the shell (1022) is fixedly arranged on the bracket (14), and the transmission shaft (1023) is rotatably arranged on the bracket (14) and is connected with the motor component (1024);
the reciprocating driving assembly (9) comprises a shaft sleeve (901), a cam (902) and a reset spring (903), the shaft sleeve (901) is connected with the shell (1022) and sleeved on the transmission shaft (1023), the cam (902) is fixedly arranged on the shaft sleeve (901), an annular groove (15) is coaxially arranged on the inner peripheral side of the seeding disc (101), the cam (902) is relatively rotatably arranged in the annular groove (15), a wedge-shaped part (12) is arranged at one end, close to the seeding channel (4), of the strip-shaped gate (11), and the tail end, far away from the wedge-shaped part (12), of the strip-shaped gate (11) is abutted against the cam (902);
after the seed filling port (6) corresponding to the sowing channel (4) reaches the output end of the conveying pipe (7), the strip gate (11) contacts the cam (902) and moves along one side of the cam (902), so that the strip gate (11) is driven by the reaction force of the cam (902) to move towards the sowing channel (4) until the strip gate (11) passes over the top point of the cam (902) and is driven by the reset spring (903) to reset;
an elongated slot is formed in the hole wall of the guide hole (10), the reset spring (903) is arranged in the elongated slot, and one end, away from the sowing channel (4), of the reset spring (903) is connected with the strip gate (11).
2. The device for circularly rotating earthing, seeding and seedling raising according to claim 1, wherein the seeding tray (101) is arranged vertically to the rotating shaft, the rotating shaft is arranged horizontally, the receiving part is in a convex cone shape, the output end of the conveying pipe (7) is arranged obliquely downwards, and the seed filling opening (6) is positioned above the rotating shaft of the seeding tray (101), so that seeds output by the seed filling opening (6) have enough time to pass through the seeding channel (4).
3. A cyclically moveable soil-covering seeding and seedling-raising device according to claim 1, characterized in that the surface of the wedge-shaped part (12) facing the feed conveying pipe (7) is provided with an inclined surface, and the end of the inclined surface close to the seeding channel (4) is inclined away from the feed conveying pipe (7);
the length of the seed filling opening (6) in the radial direction of the sowing disc (101) is not smaller than the grain size of seeds, the width of the seed filling opening (6) is 1-1.5 times of the grain size of the seeds, and the width of the seed filling opening (6) is 2 times of the thickness of the wedge-shaped part (12) close to the front end of the sowing channel (4).
4. The cyclically rotary earthing, seeding and seedling raising device according to claim 1, wherein both sides of the seeding channel (4) close to the central end of the rotation shaft of the seeding tray (101) are provided with inclined slopes (13), and redundant seeds piled up at the inner end of the seeding channel (4) return into the feeding pipe (7) along the slopes (13) through the relative rotation of the feeding pipe (7) and the seeding tray (101).
5. A cyclically movable earth-covering seeding and seedling raising device as claimed in claim 1, wherein said rotary drive assemblies (102) of a plurality of said rotary seeding mechanisms (1) are connected to said motor assembly (1024) by the same said drive shaft (1023), said drive shaft (1023) penetrating said housing (1022) of a plurality of rotary drive assemblies (102) and said seeding tray (101).
6. The cyclically rotary soil-covering seeding and seedling raising device according to claim 1, wherein the cam (902) is rotatably sleeved on the shaft sleeve (901), a torsion spring (16) is arranged on the shaft sleeve (901), the cam (902) and the shaft sleeve (901) are both connected with the torsion spring (16), the torsion spring (16) is used for providing buffering when the cam (902) is in contact with the strip-shaped brake (11), and a limiting structure for limiting the rotation angle of the cam (902) is arranged on the shaft sleeve (901).
7. The circulating rotary type earthing seeding and seedling raising device according to claim 6, wherein the limiting structure is a limiting protrusion (17) arranged on the side wall of the shaft sleeve (901), a limiting groove (5) is formed in one axial end of the cam (902), and the limiting protrusion (17) and the limiting groove (5) are in sliding insertion fit in the rotating direction of the cam (902).
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| KR101722415B1 (en) * | 2015-10-26 | 2017-04-03 | 염상민 | seed or fertilizer sowing apparatus |
| CN107396659A (en) * | 2017-08-29 | 2017-11-28 | 杨哲凡 | Bunch planting seedling-culturing sowing machine |
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| CN210610288U (en) * | 2019-09-27 | 2020-05-26 | 李春贞 | Vegetable seeder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101722415B1 (en) * | 2015-10-26 | 2017-04-03 | 염상민 | seed or fertilizer sowing apparatus |
| CN107396659A (en) * | 2017-08-29 | 2017-11-28 | 杨哲凡 | Bunch planting seedling-culturing sowing machine |
| CN107624312A (en) * | 2017-09-26 | 2018-01-26 | 遵义百草谷药业有限公司 | A kind of Chinese medicine seeding apparatus |
| CN110809953A (en) * | 2018-08-08 | 2020-02-21 | 河北滨丰优良种苗科技有限公司 | Rassel seeding device |
| CN110506473A (en) * | 2019-08-18 | 2019-11-29 | 孙同梅 | A kind of transmission mechanism, seeding apparatus and type of seeding |
| CN210610288U (en) * | 2019-09-27 | 2020-05-26 | 李春贞 | Vegetable seeder |
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