CN214852738U - Groove tooth suction hole combined type precision seed sowing device - Google Patents

Groove tooth suction hole combined type precision seed sowing device Download PDF

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Publication number
CN214852738U
CN214852738U CN202120901611.9U CN202120901611U CN214852738U CN 214852738 U CN214852738 U CN 214852738U CN 202120901611 U CN202120901611 U CN 202120901611U CN 214852738 U CN214852738 U CN 214852738U
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seed sowing
groove
seed
groups
combined type
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CN202120901611.9U
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李兆东
钟继宇
武家杰
何顺
曹丽
陈永新
张甜
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Anhui Agricultural University AHAU
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Anhui Agricultural University AHAU
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Abstract

The utility model relates to the technical field of seed sowing devices, in particular to a groove tooth suction hole combined type precise seed sowing device; the pneumatic seeding device comprises a pneumatic seeding device shell and a seeding disc arranged in the pneumatic seeding device shell, wherein a seeding rotating shaft for driving the seeding disc to rotate is arranged in the seeding device body, a plurality of groups of groove groups which are in an annular array and are concentrically arranged with the seeding disc are arranged on the outer surface of the seeding disc, toggle teeth are formed between two adjacent grooves on the same group of groove groups, the grooves on two adjacent groups of groove groups are arranged in a staggered manner, and a plurality of material sucking holes are formed in each groove; the utility model discloses a seed metering dish among the seed metering ware structural design is novel, the seed metering effect is excellent, the practicality is strong.

Description

Groove tooth suction hole combined type precision seed sowing device
Technical Field
The utility model relates to a seed metering ware technical field specifically discloses a smart volume seed metering ware of hole combination formula is inhaled to groove tooth.
Background
With the development of modern planting technology in China, the requirement of agriculture on planting mechanical equipment is higher and higher. At present, seeding apparatuses widely applied to domestic and foreign seeding machines can be classified into mechanical type and pneumatic type according to the working principle. The most core part of the seed metering devices of the pneumatic seed metering machinery, and the arrangement of the seed metering discs in the seed metering devices determine the precision and the reasonable distribution of the seed metering quantity. The traditional seed metering disc is a disc, a plurality of material sucking holes are formed in the outer edge of the disc in an annular array mode, seeds are adsorbed on the material sucking holes through negative pressure, and the adsorbed seeds are discharged through positive pressure after rotating to a certain position along with the seed metering disc, so that the planting feeding and discharging are achieved. However, the conventional seed-metering disc cannot stir the accumulated seeds when rotating in the seed-metering device, and particularly when used for small-particle seeds, the conventional seed-metering disc is difficult to realize general precision seeding in fields due to small seed particle size, weak anti-shearing capability and large seeding quantity difference.
The invention with the application number of 2016108941182 discloses a sliding chute and suction hole combined type precision seed sowing device, which comprises a suction chamber base, wherein a suction chamber shell and a seed sowing shell which can be closed are erected on the suction chamber base, a seed sowing disc is arranged between the suction chamber shell and the seed sowing shell, the seed sowing disc is rotatably arranged in the suction chamber shell through a seed sowing shaft in the middle, the seed sowing shaft penetrates through the suction chamber shell, and the end part of an extending end is provided with a driving chain wheel; the suction chamber shell divides the inner cavity into a blowing cavity, a suction cavity and a transition cavity through a partition plate in the inner cavity of the suction chamber shell, the blowing cavity is communicated with a blowing pipe, and the suction cavity is communicated with a suction pipe; the seed discharging shell comprises a seed discharging shell body, a seed feeding port, a seed filling port and a seed discharging port are arranged on the seed discharging shell body, a seed guide pipe is arranged at the seed feeding port, a seed discharging sieve is arranged at the seed discharging port, and a seed box is arranged outside the seed discharging shell body. The seed sowing device disclosed by the invention improves the existing seed sowing plate, and particularly, when the seed sowing plate is improved, one to two concentric ring grooves are formed in the seed sowing plate, and then the suction holes are formed in the ring grooves; although the design of the ring grooves has stirring and separating effects on the seed groups to a certain extent, so as to achieve the effect of facilitating the absorption of the seeds by the suction holes, the stirring effect on the seed groups is not prominent in the process of high-speed rotation of the seed discharging disc, and small-particle seeds cannot be accurately and effectively absorbed. Therefore, aiming at the defects of the existing chute suction hole combined type precise seed sowing device, the groove tooth suction hole combined type precise seed sowing device capable of solving the technical problems is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at effectively controlling the precision of the seed metering quantity and the reasonable distribution when the high-speed seed metering can not be realized by the existing seed metering device, and designing a groove tooth suction hole combined type precise seed metering device which can effectively solve the technical problem.
The utility model discloses a realize through following technical scheme:
the groove tooth suction hole combined type precision seed sowing device comprises a pneumatic seed sowing device shell and a seed sowing disc arranged in the pneumatic seed sowing device shell, wherein a seed sowing rotating shaft used for driving the seed sowing disc to rotate is arranged in a seed sowing device body, a plurality of groups of groove groups which are annular arrays and are concentrically arranged with the seed sowing disc are arranged on the outer surface of the seed sowing disc, a poking tooth is formed between two adjacent grooves on the groove group, the two adjacent groups of grooves on the groove group are arranged in a staggered mode, and each groove is internally provided with a plurality of suction holes.
As a further arrangement of the scheme, 1-3 groups of the groove groups concentrically arranged on the seed discharging disc are provided, 12-24 grooves are arranged on each group of the groove groups, and 1-3 material sucking holes are formed in each groove.
As a further arrangement of the above scheme, two seed discharging disks are arranged in the pneumatic seed sowing device shell, and the two seed discharging disks are respectively arranged at the front end and the rear end of the pneumatic seed sowing device shell.
As a further arrangement of the scheme, a special-shaped clamping groove is formed in the circle center of the seed discharging disc, and a special-shaped section clamped with the special-shaped clamping groove is arranged on the seed discharging rotating shaft.
As a further arrangement of the scheme, one end of the seed sowing rotating shaft, which extends out of the casing of the pneumatic seed sowing device, is connected with a driven chain wheel.
As a further arrangement of the scheme, the seed sowing machine further comprises a driving device for driving the seed sowing rotating shaft to rotate, wherein the driving device comprises a driving motor and a driving chain wheel arranged on an output shaft of the driving motor, and a transmission chain is arranged between the driving chain wheel and the driven chain wheel.
Has the advantages that:
the utility model discloses a smart volume seed metering ware of combination formula of hole is inhaled to the spout tooth improves on the basis of present smart volume seed metering ware of combination formula of inhaling the hole, and it changes the annular spout of seting up on the present seed metering dish into and is a plurality of recesses that the annular array was seted up, and two adjacent recesses on every concentric ring have formed stirring the tooth, and the structure of its spaced recess, stirring the tooth can stir accumulational tiny particle seed in the high-speed pivoted in-process of seed metering dish, makes the seed in the developments separate fast and get into in the recess, then is inhaled the material hole negative pressure and adsorbs; the design can ensure that each material suction hole can catch one seed in the process of high-speed rotation of the seed metering disc, so that the precision of the seeding quantity of the seed metering device during high-speed discharge is greatly improved; meanwhile, the groove groups arranged in the plurality of groups of annular arrays can not only improve the seeding speed, but also further improve the stirring effect on the accumulated seeds when the seeding tray rotates; the seed-metering disc in the whole seed-metering device has novel structural design, excellent seed-metering effect and strong practicability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a seed-metering base and a suction housing of the present invention;
FIG. 3 is a schematic perspective view of the middle sealing cover, the storage hopper and the discharge hopper of the present invention;
FIG. 4 is a schematic perspective view of the seed shaft and the driven sprocket;
fig. 5 is a schematic perspective view of a seed-metering plate of the present invention.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1-5, in conjunction with the embodiments.
Example 1
The embodiment 1 discloses a groove-tooth suction hole combined type precision seed-metering device, which comprises a main body component, a pneumatic seed-metering device shell, a seed-metering disc 4 and a seed-metering rotating shaft 6. Wherein, the pneumatic seeding unit shell mainly comprises a seeding base 1, a suction shell 2 and a sealing cover 3. The air suction shell 2 is a cylindrical shell with one sealed end surface and the other open end surface, and the air suction shell 2 is arranged at the upper end of the seeding base 1. A shaft sleeve component 5 consisting of a shaft sleeve 501 and a bearing 502 is arranged at the center of the circle of the air suction shell 2, and the seeding rotating shaft 6 is rotationally connected with the shaft sleeve component 5. Two radial partition plates 201 are arranged between the air suction housing 2 and the shaft sleeve 501, and the inner cavity of the air suction housing 2 is divided into an air blowing cavity and an air suction cavity by the arrangement of the two partition plates 201. When the air blowing cavity is specifically arranged, the fan-shaped angle range of the air blowing cavity can be set to be 45-60 degrees, and the air blowing cavity is arranged at the lower end of the air suction shell 2; the fan-shaped angle range of the air suction cavity can be set to 300-315 degrees, and the air suction cavity is arranged at the upper end of the air suction shell 2. Then, an air blowing pipe 202 communicated with the air blowing chamber and an air suction pipe 203 communicated with the air suction chamber are connected to the air suction casing 2.
The sealing cover 3 is connected with the opening end of the air suction shell 2 in a sealing mode through screws, and a storage hopper 301 and a discharge hopper 302 are arranged on the outer surface of the sealing cover 3, wherein the storage hopper 301 is communicated with the air suction cavity, and the discharge hopper 302 is communicated with the air blowing cavity. Then, the seed plate 4 is arranged between the front opening of the air suction housing 2 and the sealing cover 3, and the seed plate 4 is arranged to ensure the sealing of the interior of the air suction housing 2.
In order to enable the seed discharging rotating shaft 6 to drive the seed discharging disc 4 to rotate synchronously when rotating, the seed discharging rotating shaft 6 is provided with a special-shaped section 601, the center of the seed discharging disc 4 is provided with a special-shaped clamping groove 403, the special-shaped clamping groove 403 is matched with the special-shaped section 601, and the special-shaped clamping groove 403 on the seed discharging disc 4 is clamped with the special-shaped section 601 on the seed discharging rotating shaft 6, so that the seed discharging disc 4 is driven to rotate synchronously in the rotating process of the seed discharging rotating shaft 6. One end of the seeding rotating shaft 6 extends out of the sealing cover 3 or the sealing end surface of the air suction shell 2, the end part of the seeding rotating shaft 6 extending out is connected with a driven chain wheel 7, and the driven chain wheel 7 is connected with a driving device. The driving device is not shown in the figure when in specific arrangement, the main body of the driving device comprises a driving motor and a driving chain wheel arranged on an output shaft of the driving motor, and then the rotation of the seeding rotating shaft 6 is realized through a transmission chain arranged between the driving chain wheel and a driven chain wheel 7.
The utility model discloses a key improvement of seed metering ware lies in seed metering dish 4, has offered a plurality of groups on seed metering dish 4's surface earlier when the design and be annular array and with seed metering dish 4 concentric groove group 401 that sets up to make and formed between two adjacent recesses on same group groove group 401 stir the tooth, the equal dislocation set of recess on two adjacent groups of groove groups 401 simultaneously, then all seted up a plurality of in every recess again and inhaled material hole 402. Through the grooves and the toggle teeth formed among the grooves, accumulated seeds can be effectively stirred in the process that the sowing plate 4 rotates rapidly, and the seeds can be adsorbed by the material sucking holes 402 in each groove after being stirred, so that the precision of the seed metering quantity is greatly improved.
In the specific setting process, according to the size of the seed metering device and the size of applicable plant seeds, the groove groups 401 concentrically arranged on the seed metering disc 4 can be set to be 1-3 groups, the grooves on each group of groove groups 401 can be set to be 12-24, and meanwhile, the material suction holes 402 formed in each groove can be set to be 1-3.
Example 2
In order to ensure that the seeding quantity per unit area is increased under the same rotating speed of the seeding plate 4, the embodiment 2 discloses a double-discharging type seeding apparatus improved based on the embodiment 1.
The specific design process is as follows: this implementation 2 will breathe in the equal opening setting in both ends around casing 2, then all set up a sealed cowling 3 at the opening part of casing 2 front and back end of breathing in, and sealed connection is realized through screw and the front and back open end of casing 2 to two sealed cowlings 3. And a same seed discharging disc 4 is arranged between each sealing cover 3 and the opening at the front end and the rear end of the air suction shell 2, and the arrangement of the two seed discharging discs 4 can ensure the internal sealing of the air suction shell 2. The seed metering device with double discharging functions can increase the negative pressure state of the air suction cavity in the air suction shell 2 in the using process, so that the two seed metering disks can simultaneously realize the work of sucking and discharging materials, and the seed metering efficiency of the seed metering disks 4 is ensured to be increased under the condition of unchanged rotating speed.
Finally, the sealing cover 3, the storage hopper 301 and the discharge hopper 302 in this embodiment 2 are made of transparent materials, such as transparent plastics, glass, etc. Thereby conveniently observe the seed condition in seed metering in-process sealed cowling 3, storage hopper 301 and discharge hopper 302 through the design of transparentization, conveniently discover the problem, the follow-up maintenance of being convenient for.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. The groove tooth suction hole combined type precision seed sowing device comprises a pneumatic seed sowing device shell and a seed sowing disc (4) arranged in the pneumatic seed sowing device shell, wherein a seed sowing rotating shaft (6) used for driving the seed sowing disc (4) to rotate is arranged in a seed sowing device body, and the groove sowing device is characterized in that a plurality of groups of groove groups (401) which are annular arrays and are concentrically arranged with the seed sowing disc (4) are arranged on the outer surface of the seed sowing disc (4), toggle teeth are formed between two adjacent grooves on the groove groups (401) in the same group, the grooves on the adjacent two groups of groove groups (401) are arranged in a staggered mode, and a plurality of material suction holes (402) are formed in each groove.
2. The groove-tooth suction hole combined type precision seed sowing device according to claim 1, wherein the groove groups (401) concentrically arranged on the seed sowing disk (4) are 1-3 groups, 12-24 grooves are arranged on each group of groove groups (401), and 1-3 suction holes (402) are arranged on each groove.
3. The groove-tooth suction hole combined type precision seed sowing device according to claim 1 or 2, characterized in that two seed sowing disks (4) are arranged in the pneumatic seed sowing device shell, and the two seed sowing disks (4) are respectively arranged at the front end and the rear end of the pneumatic seed sowing device shell.
4. The groove-tooth suction hole combined type precision seed sowing device according to claim 3, wherein a special-shaped clamping groove (403) is formed in the center of the seed sowing disk (4), and a special-shaped section (601) clamped with the special-shaped clamping groove (403) is arranged on the seed sowing rotating shaft (6).
5. The groove-tooth suction hole combined type precision seed-metering device according to claim 1, characterized in that one end of the seed-metering rotating shaft (6) extending out of the casing of the pneumatic seed-metering device is connected with a driven chain wheel (7).
6. The groove-tooth suction hole combined type precision seed sowing device according to claim 5, further comprising a driving device for driving the seed sowing rotating shaft (6) to rotate, wherein the driving device comprises a driving motor and a driving chain wheel arranged on an output shaft of the driving motor, and a transmission chain is arranged between the driving chain wheel and the driven chain wheel (7).
CN202120901611.9U 2021-04-29 2021-04-29 Groove tooth suction hole combined type precision seed sowing device Active CN214852738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120901611.9U CN214852738U (en) 2021-04-29 2021-04-29 Groove tooth suction hole combined type precision seed sowing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120901611.9U CN214852738U (en) 2021-04-29 2021-04-29 Groove tooth suction hole combined type precision seed sowing device

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CN214852738U true CN214852738U (en) 2021-11-26

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CN202120901611.9U Active CN214852738U (en) 2021-04-29 2021-04-29 Groove tooth suction hole combined type precision seed sowing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116534256A (en) * 2023-07-04 2023-08-04 安徽农业大学 Sowing device and agricultural sowing unmanned aerial vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116534256A (en) * 2023-07-04 2023-08-04 安徽农业大学 Sowing device and agricultural sowing unmanned aerial vehicle
CN116534256B (en) * 2023-07-04 2023-09-22 安徽农业大学 Sowing device and agricultural sowing unmanned aerial vehicle

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