CN111480426A

CN111480426A - Precise seed metering device of air-suction type seeder

Info

Publication number: CN111480426A
Application number: CN202010353756.XA
Authority: CN
Inventors: 杨贵娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-08-04

Abstract

The invention discloses a precision seed metering device of an air-suction seeder, which comprises a seeding box, wherein the top of the seeding box is fixedly connected with a seed feeding box, the right side of the seed feeding box is communicated with a seeding plate, and the top of the seeding box is communicated with the bottom of the seed feeding box. This precision seed metering device of air-suction seeder, start the first communicating pipe of vacuum generator control and form the negative pressure in sending kind of roller, adsorb the seed in the concave hole, send kind of roller when rotating, the concave hole on surface is not stopped and is adsorbing the seed in the seeding case, send kind of roller when rotating, by the extrusion of elastic extrusion pad of adsorbed seed, slide into in the guiding groove on the flow distribution plate, the second communicating pipe of vacuum generator intercommunication blows the gas hole along the air guide pipeline always this moment, the gas hole blows the seed and sows in the seeding pipeline of seeding in the seeding board, can be incessant fast carry out quantitative seeding to the seed, and the condition of error and jam can not appear in the ration accuracy.

Description

Precise seed metering device of air-suction type seeder

Technical Field

The invention relates to the technical field of seeders, in particular to a precise seed metering device of an air-suction type seeder.

Background

The seeder uses crop seeds as seeding objects, is used for the seeding machines of certain types or certain crops, is usually named by crop species, such as a grain drill, a corn hill planter, a cotton seeder, a pasture seeder and the like, the seeding objects of the seeder are crop seeds or pelletized coated seeds, the seeding objects can be divided into 3 types of vacuum seed seeder broadcasters, drill seeder and hill planter according to the seeding mode, various types of precision seeders which begin to develop in 50 years can accurately control the seeding amount, the hill spacing and the seeding depth, and the pneumatic precision seeding machine which begins to develop in 70 years, a row of seeds are discharged by utilizing positive pressure or negative pressure airflow according to certain intervals to realize single-seed precision hill seeding, compared with the traditional mechanical seeding devices, the pneumatic precision seeding device has the characteristics of precise seeding amount, no damage to the seeds and the like, and in addition, the mechanical precision seeding device is also provided, the suspended 6-row cultivating crop seeder with fertilizer applicator can be used for drilling and bunch planting of soybean, corn, sorghum and other cultivating crops.

The precision seed metering device of the existing seeder is complex in structure, and needs to move the adsorption device to a seeding position for seeding through the driving device after adsorbing seeds through the adsorption device, so that continuous seeding can not be realized continuously during seeding, the seeding efficiency is low, a large amount of time is wasted, the structure is complex, and a plurality of power devices are needed for driving.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a precision seed metering device of an air-suction seeder, which solves the problems that the structure is complex, the adsorption device is required to adsorb seeds, the adsorption device is moved to a seeding position for seeding through a driving device, continuous seeding cannot be performed continuously during seeding, the seeding efficiency is low, a large amount of time is wasted, the structure is complex, and a plurality of power devices are required for driving during seeding.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a precise seed discharging device of an air-suction seeder comprises a seeding box, wherein the top of the seeding box is fixedly connected with a seed feeding box, the right side of the seed feeding box is communicated with a seeding plate, the top of the seeding box is communicated with the bottom of the seed feeding box, the inner cavity of the seed feeding box is rotatably connected with a seed feeding roller, the inner cavity of the seed feeding box is fixedly connected with a flow distribution plate, one side of the flow distribution plate penetrates through the inner cavity of the seed feeding box and extends to the outside of the seed feeding box, one side of the flow distribution plate is fixedly connected with an elastic extrusion pad, the surface of the elastic extrusion pad is mutually abutted to the surface of the seed feeding roller, the surface of the seed feeding roller is provided with a concave hole, the top of the seeding box is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a vacuum generator, a vacuum generating port of the vacuum generator is communicated with a first communicating pipeline, one end of the seed, the front of sending kind of a seed case fixedly connected with leak protection chamber, send the one end of kind of a roller to run through the back in leak protection chamber and extend to the inner chamber in leak protection chamber, send the surface of kind of a roller and be connected with the inner chamber rotation in leak protection chamber.

Preferably, one end of the first communicating pipeline is communicated with the front surface of the leakage-proof cavity, and the inner cavity of the seed conveying roller is provided with empty grooves respectively communicated with the leakage-proof cavity and the concave hole.

Preferably, the inner cavity of the flow distribution plate is respectively provided with an air guide pipeline and an air blowing hole, one end of the air guide pipeline is communicated with one end of the air blowing hole, the surface of the flow distribution plate is provided with a guide groove, an air blowing opening of the vacuum generator is communicated with a second communicating pipeline, and one end of the second communicating pipeline is communicated with the surface of the air guide pipeline.

Preferably, the back of the leakage-proof cavity is fixedly connected with a leakage-proof sleeve, the back of the leakage-proof sleeve is fixedly connected with the front of the seed feeding box, and the surface of the seed feeding roller, which is positioned in the inner cavity of the leakage-proof cavity, is fixedly connected with a sealing ring.

Preferably, the inner cavity of the seed feeding box is fixedly connected with a spoiler, a seeding pipeline is arranged in the inner cavity of the seeding plate, and one end of the seeding pipeline is communicated with the surface of the air blowing hole.

Preferably, the top of the seed box is communicated with a seed inlet, and the surface of the seeding box is hinged with a glass observation door through a hinge.

Preferably, send the back fixedly connected with motor case of kind of seed case, the one end of sending kind of roller runs through in proper order and sends kind of seed case and motor case and extend to the inner chamber of motor case, send the surface of kind of roller and the inner chamber of motor case to rotate and be connected, the inner chamber fixedly connected with driving motor of motor case, the one end of driving motor output shaft is passed through the shaft coupling and is sent the one end fixed connection of kind of roller.

Preferably, the number of the air guide pipes, the air blowing holes and the seeding pipes is the same.

(III) advantageous effects

The invention provides a precise seed metering device of an air-aspiration type seeder. Compared with the prior art, the method has the following beneficial effects:

(1) the precise seed discharging device of the air-suction type seeder comprises a seed feeding box fixedly connected to the top of a seeding box, a seeding plate communicated with the right side of the seed feeding box, the top of the seeding box communicated with the bottom of the seed feeding box, a seed feeding roller rotatably connected to the inner cavity of the seed feeding box, a flow distribution plate fixedly connected to the inner cavity of the seed feeding box, one side of the flow distribution plate penetrating through the inner cavity of the seed feeding box and extending to the outside of the seed feeding box, an elastic extrusion pad fixedly connected to one side of the flow distribution plate, the surface of the elastic extrusion pad and the surface of the seed feeding roller mutually abutting against each other, a concave hole formed in the surface of the seed feeding roller, a fixed plate fixedly connected to the top of the seeding box, a vacuum generator fixedly connected to the top of the fixed plate, a first communicating pipe communicated with a vacuum generating port of the vacuum generator, one end of the seed feeding roller penetrating through the inner cavity, one end of the seed conveying roller penetrates through the back surface of the leakage-proof cavity and extends to the inner cavity of the leakage-proof cavity, the surface of the seed conveying roller is rotatably connected with the inner cavity of the leakage-proof cavity, one end of a first communicating pipeline is communicated with the front surface of the leakage-proof cavity, the inner cavity of the seed conveying roller is provided with empty grooves respectively communicated with the leakage-proof cavity and the concave hole, a vacuum generator is started to control the first communicating pipeline to form negative pressure in the seed conveying roller so as to adsorb seeds in the concave hole, when the seed conveying roller rotates, the concave holes on the surface continuously adsorb seeds in the sowing box, when the seed feeding roller rotates, the adsorbed seeds are extruded by the elastic extrusion pad and slide into the guide groove on the flow distribution plate, at the moment, the second communicating pipeline communicated with the vacuum generator blows air to the air blowing holes along the air guide pipeline, the air blowing holes blow the seeds into the sowing pipeline in the sowing plate for sowing, can quickly and uninterruptedly carry out quantitative sowing on seeds, and can accurately quantify without errors and blockage.

(2) This smart volume seed metering device of air-aspiration type seeder, through the one end at first communicating pipe and the front intercommunication in leak protection chamber, the dead slot that communicates with leak protection chamber and shrinkage pool respectively is seted up to the inner chamber of seed delivery roller, the back fixedly connected with leak protection cover in leak protection chamber, and the back of leak protection cover and the front fixed connection who delivers seed case, the fixed surface that seed delivery roller is located leak protection chamber inner chamber is connected with the sealing ring, when seed delivery roller rotates, it rotates to drive the sealing ring in the leak protection intracavity, first communicating pipe communicates with one side in leak protection chamber, the gas that will deliver seed roller inner chamber is taken away, form the negative pressure state, can guarantee the leakproofness when seed delivery roller rotates, seed metering device's practicality has been increased.

(3) This smart volume seed metering device of air-aspiration type seeder, air guide duct and gas hole have been seted up respectively through the inner chamber at the flow distribution plate, the one end of air guide duct and the one end intercommunication in gas hole, the guiding groove has been seted up on the surface of flow distribution plate, vacuum generator's the mouth intercommunication of blowing has second intercommunication pipeline, the one end of second intercommunication pipeline and the surface intercommunication of air guide duct, only need in the work can reach through a vacuum generator and adsorb the seed and with the effect of seed exhaust, all the other too much structures need not, through first intercommunication pipeline suction gas, discharge along with second intercommunication pipeline, the energy resource consumption that produces in the work of seed metering device has been practiced thrift, make the device environmental protection more.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 at A according to the present invention;

FIG. 4 is a side view of the seed feed roller structure of the present invention;

FIG. 5 is a side view of a manifold structure of the present invention;

FIG. 6 is a bottom view of the seeding plate structure of the present invention;

fig. 7 is a sectional view of the motor case structure of the present invention.

In the figure, 1-a seeding box, 2-a seed feeding box, 3-a seeding plate, 4-a seed feeding roller, 5-a flow distribution plate, 6-an elastic extrusion pad, 7-a concave hole, 8-a fixing plate, 9-a vacuum generator, 10-a first communicating pipeline, 11-a leakage-proof cavity, 12-an air guide pipeline, 13-an air blowing hole, 14-a guide groove, 15-a second communicating pipeline, 16-a leakage-proof sleeve, 17-a sealing ring, 18-a spoiler, 19-a seeding pipeline, 20-a seed inlet, 21-a glass observation door, 22-a motor box and 23-a driving motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a precision seed discharging device of an air-suction seeder comprises a seeding box 1, the top of the seeding box 1 is communicated with a seed inlet 20, the surface of the seeding box 1 is hinged with a glass observation door 21 through a hinge, the top of the seeding box 1 is fixedly connected with a seed sending box 2, the back of the seed sending box 2 is fixedly connected with a motor box 22, one end of a seed sending roller 4 sequentially penetrates through the seed sending box 2 and the motor box 22 and extends to the inner cavity of the motor box 22, the surface of the seed sending roller 4 is rotatably connected with the inner cavity of the motor box 22, the inner cavity of the motor box 22 is fixedly connected with a driving motor 23, the driving motor 23 is communicated with a power supply, one end of an output shaft of the driving motor 23 is fixedly connected with one end of the seed sending roller 4 through a coupler, the inner cavity of the seed sending box 2 is fixedly connected with a spoiler 18, air is prevented from entering the seed sending box 2 through the spoiler 18, the inner cavity of the seeding plate, the right side of the seed feeding box 2 is communicated with a seeding plate 3, the top of the seeding box 1 is communicated with the bottom of the seed feeding box 2, the inner cavity of the seed feeding box 2 is rotatably connected with a seed feeding roller 4, the inner cavity of the seed feeding box 2 is fixedly connected with a splitter plate 5, the inner cavity of the splitter plate 5 is respectively provided with an air guide pipeline 12 and an air blowing hole 13, the number of the air guide pipeline 12, the air blowing hole 13 and the number of the seeding pipeline 19 are the same, one end of the air guide pipeline 12 is communicated with one end of the air blowing hole 13, the surface of the splitter plate 5 is provided with a guide groove 14, the seeds are guided to slide through the guide groove 14, an air blowing port of the vacuum generator 9 is communicated with a second communicating pipeline 15, one end of the second communicating pipeline 15 is communicated with the surface of the air guide pipeline 12, one side of the splitter plate 5 penetrates through the inner cavity of the seed feeding box 2 and extends to the outside of the seed feeding, the surface of the seed feeding roller 4 is provided with a concave hole 7, a vacuum generator 9 is started to control a first communicating pipeline 10 to form negative pressure in the seed feeding roller 4, seeds are adsorbed in the concave hole 7, when the seed feeding roller 4 rotates, the concave hole 7 on the surface continuously adsorbs the seeds in the sowing box 1, when the seed feeding roller 4 rotates, the adsorbed seeds are extruded by an elastic extrusion pad 6 and slide into a guide groove 14 on the flow distribution plate 5, at the moment, a second communicating pipeline 15 communicated with the vacuum generator 9 blows air to an air blowing hole 13 along an air guide pipeline 12 all the time, the seeds are blown into a sowing pipeline 19 in the sowing plate 3 by the air blowing hole 13 to be sowed, the seeds can be quickly and uninterruptedly sowed quantitatively, errors and blockage can not occur due to accurate quantification, the top of the sowing box 1 is fixedly connected with a fixed plate 8, the top of the fixed plate 8 is fixedly connected with the vacuum generator 9, the vacuum generator 9 is communicated with a power, a vacuum generating port of the vacuum generator 9 is communicated with a first communicating pipeline 10, one end of the first communicating pipeline 10 is communicated with the front of the leakage-proof cavity 11, the effect of adsorbing and discharging seeds can be achieved only by one vacuum generator 9 in work, and other excessive structures are not needed, gas is pumped in through the first communicating pipeline 10 and is discharged along a second communicating pipeline 15, so that the energy consumption generated in the work of the seed sowing device is saved, the device is more environment-friendly, empty grooves respectively communicated with the leakage-proof cavity 11 and the concave hole 7 are formed in the inner cavity of the seed conveying roller 4, one end of the seed conveying roller 4 penetrates through the inner cavity of the seed conveying roller 2 and extends to the front of the seed conveying roller 2, the leakage-proof cavity 11 is fixedly connected to the front of the seed conveying roller 2, the leakage-proof sleeve 16 is fixedly connected to the back of the leakage-proof cavity 11, the back of the leakage-proof sleeve 16 is fixedly connected to the front of the seed conveying roller 2, and a sealing ring 17 is fixedly connected to the, the one end of sending kind of roller 4 runs through the back in leak protection chamber 11 and extends to the inner chamber in leak protection chamber 11, send the surface of kind of roller 4 to rotate with the inner chamber in leak protection chamber 11 and be connected, send kind of roller 4 when rotating, drive sealing ring 17 in leak protection chamber 11 and rotate, first communicating pipe 10 and one side intercommunication in leak protection chamber 11 will send the gas of kind of roller 4 inner chamber to take away, form negative pressure state, can guarantee the leakproofness when sending kind of roller 4 pivoted, the practicality of seed metering device has been increased.

When the seed sowing device is used, seeds are added into the sowing box 1 along the seed inlet 20, then the vacuum generator 9 is started to control the first communicating pipeline 10 to form negative pressure in the seed conveying roller 4, the seeds are adsorbed in the concave holes 7, at the moment, the driving motor 23 is started to drive the seed conveying roller 4 to rotate, when the seed conveying roller 4 rotates, the concave holes 7 on the surface continuously adsorb the seeds in the sowing box 1, when the seed conveying roller 4 rotates, the adsorbed seeds are extruded by the elastic extrusion pads 6 and slide into the guide grooves 14 on the flow distribution plate 5, at the moment, the second communicating pipeline 15 communicated with the vacuum generator 9 continuously blows air to the air blowing holes 13 along the air guide pipeline 12, the air blowing holes 13 blow the seeds into the sowing pipelines 19 in the sowing plate 3 for sowing, at the moment, the air is prevented from blowing into the seed conveying box 2 through the flow disturbance plate 18, when the seed conveying roller 4 rotates, the sealing ring 17 is driven to rotate in the leakage-proof cavity 11, and the first communicating pipeline 10 is communicated with one side of the leakage-proof cavity 11.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a smart volume seed metering device of air-suction type seeder, includes seeding case (1), the top fixedly connected with of seeding case (1) send kind of a seed case (2), the right side intercommunication that sends kind of a seed case (2) has seeding board (3), its characterized in that: the top of seeding case (1) and the bottom intercommunication of sending kind case (2), the inner chamber that sends kind case (2) rotates and is connected with seed feeding roller (4), inner chamber fixedly connected with flow distribution plate (5) of sending kind case (2), one side of flow distribution plate (5) is run through the inner chamber of sending kind case (2) and is extended to the outside of sending kind case (2), one side fixedly connected with elastic extrusion pad (6) of flow distribution plate (5), the surface of elastic extrusion pad (6) is contradicted each other with the surface of sending kind roller (4), shrinkage pool (7) have been seted up on the surface of sending kind roller (4), the top fixedly connected with fixed plate (8) of seeding case (1), the top fixedly connected with vacuum generator (9) of fixed plate (8), the vacuum emergence mouth intercommunication of vacuum generator (9) has first communication pipeline (10), the one end of sending kind roller (4) is run through the inner chamber of sending kind case (2) and is extended to the bottom intercommunication of sending kind case (2) Openly, send the positive fixedly connected with leak-proof chamber (11) of seed case (2), the one end of sending kind of roller (4) runs through the back in leak-proof chamber (11) and extends to the inner chamber in leak-proof chamber (11), send the surface of kind of roller (4) and rotate with the inner chamber in leak-proof chamber (11) and be connected.

2. The precision seed metering device of the air-aspiration seeder according to claim 1, characterized in that: one end of the first communicating pipeline (10) is communicated with the front surface of the leakage-proof cavity (11), and empty grooves respectively communicated with the leakage-proof cavity (11) and the concave hole (7) are formed in the inner cavity of the seed conveying roller (4).

3. The precision seed metering device of the air-aspiration seeder according to claim 1, characterized in that: an air guide pipeline (12) and an air blowing hole (13) are respectively formed in an inner cavity of the flow distribution plate (5), one end of the air guide pipeline (12) is communicated with one end of the air blowing hole (13), a guide groove (14) is formed in the surface of the flow distribution plate (5), an air blowing opening of the vacuum generator (9) is communicated with a second communicating pipeline (15), and one end of the second communicating pipeline (15) is communicated with the surface of the air guide pipeline (12).

4. The precision seed metering device of the air-aspiration seeder according to claim 1, characterized in that: the back fixedly connected with leak protection cover (16) in leak protection chamber (11) to the back of leak protection cover (16) and the front fixed connection who send kind of a case (2), send kind of a roller (4) to be located the fixed surface of leak protection chamber (11) inner chamber and be connected with sealing ring (17).

5. The precision seed metering device of the air-aspiration seeder according to claim 3, characterized in that: the inner cavity of the seed feeding box (2) is fixedly connected with a spoiler (18), a seeding pipeline (19) is arranged in the inner cavity of the seeding plate (3), and one end of the seeding pipeline (19) is communicated with the surface of the air blowing hole (13).

6. The precision seed metering device of the air-aspiration seeder according to claim 1, characterized in that: the top of the seeding box (1) is communicated with a seed inlet (20), and the surface of the seeding box (1) is hinged with a glass observation door (21) through a hinge.

7. The precision seed metering device of the air-aspiration seeder according to claim 1, characterized in that: send back fixedly connected with motor case (22) of seed case (2), the one end of sending kind roller (4) runs through in proper order and send seed case (2) and motor case (22) and extend to the inner chamber of motor case (22), send the surface of kind roller (4) to rotate with the inner chamber of motor case (22) to be connected, the inner chamber fixedly connected with driving motor (23) of motor case (22), the one end fixed connection of shaft coupling and sending kind roller (4) is passed through to the one end of driving motor (23) output shaft.

8. The precision seed metering device of the air-aspiration seeder according to claim 5, characterized in that: the number of the air guide pipelines (12), the number of the air blowing holes (13) and the number of the seeding pipelines (19) are the same.