CN210381867U - Novel rice air-suction seed metering device - Google Patents
Novel rice air-suction seed metering device Download PDFInfo
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- CN210381867U CN210381867U CN201921233131.9U CN201921233131U CN210381867U CN 210381867 U CN210381867 U CN 210381867U CN 201921233131 U CN201921233131 U CN 201921233131U CN 210381867 U CN210381867 U CN 210381867U
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Abstract
The utility model relates to agricultural machinery, in particular to a novel rice air-suction seed discharging device, which comprises a shell, wherein the shell comprises a bottom shell and an installation cover, the bottom shell and the installation cover are mutually butted and then fixed, a seed discharging disc and an installation disc are arranged in the shell, a cavity is formed between the bottom shell and the installation disc, the cavity is divided into an upper layer and a lower layer by a baffle, wherein, the upper layer is a negative pressure chamber, the top of the negative pressure chamber is provided with a negative pressure air port, the negative pressure air port is connected with a suction fan through a negative pressure joint, the seed discharging disc is rotatably connected in the shell, a circle of seed sucking holes which are uniformly distributed are arranged on the seed discharging disc along the circumferential direction, the installation disc is provided; a seed filling bin is arranged between the mounting cover and the seed discharging plate, the top of the seed filling bin is provided with a seed filling port, and the bottom of the shell is provided with a seed discharging port. The utility model provides a novel seed metering is inhaled to rice gas device, simple structure, convenient operation, the seed metering is efficient, hinders kind of rate and hangs down, and seed metering dish and mounting disc are changed and the maintenance is convenient.
Description
Technical Field
The utility model relates to an agricultural machine, concretely relates to novel seed metering is inhaled to rice gas device.
Background
With economic development and social progress, the old mode of agricultural production has not been able to meet the agricultural needs of a rapidly developing country. At present, large-area rice in China still adopts a seeding mode of mainly manual seeding and secondarily adopting a mechanical seed sowing device and a negative pressure type seed sowing device, the mechanical seed sowing device has the defects of poor stability, high seed damage rate and the like in seed sowing, and the negative pressure type seed sowing device has the advantage of no seed damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned technical problem, provide a novel seed metering is inhaled to rice gas device, the seed metering is efficient and hinder kind of rate low.
In order to achieve the technical effects, the utility model discloses a following technical scheme: the utility model provides a novel rice air-suction seed discharging device, which comprises a shell, wherein the shell comprises a bottom shell and an installation cover, the bottom shell and the installation cover are mutually butted and then fixed, a seed discharging disc and an installation disc are arranged in the shell, a cavity is formed between the bottom shell and the installation disc, the cavity is divided into an upper layer and a lower layer by a baffle, wherein the upper layer is a negative pressure chamber, the top of the negative pressure chamber is provided with a negative pressure air port, the negative pressure air port is connected with a suction fan through a negative pressure joint, the seed discharging disc is rotatably connected in the shell, a circle of seed sucking holes which are uniformly distributed are circumferentially arranged on the seed discharging disc, the installation disc is provided with arc-shaped through holes, and the arc-shaped through holes correspond to the positions of the circumferences; the seed filling device is characterized in that a seed filling bin is arranged between the mounting cover and the seed discharging plate, a seed filling port is arranged at the top of the seed filling bin, and a seed discharging port is arranged at the bottom of the shell.
The utility model provides a novel seed metering is inhaled to rice gas device, simple structure, the seed metering of being convenient for, efficiency is higher, hinders kind of a rate and hangs down, forms negative pressure chamber between mounting disc, installation lid and the baffle, and the negative pressure is stable, is equipped with the arc through-hole on the mounting disc, and the arc through-hole corresponds with inhaling kind of a hole place circumference position, can guarantee to inhale kind of a hole and inhale kind of a good on the seed metering dish.
As the utility model discloses a preferred structure, the seed metering dish rotates through the pivot to be connected in the shell, the one end of pivot is passed in proper order installation lid, seed metering dish rotate to be connected in the bearing that sets up on the mounting disc, and the other end is connected with driving motor.
As an improvement of the structure of the utility model, a stirring disc is fixed on the seed discharging disc and is arranged on one side surface of the seed discharging disc, and the side surface is a side surface close to the seed charging bin; a plurality of seed guiding teeth are uniformly distributed on the stirring disc along the circumferential direction and are positioned between the two seed suction holes.
As the utility model discloses structural improvement, inhale the kind of the hole and run through seed metering dish, including first through-hole and second through-hole, first through-hole is the unified circular port of internal diameter, the aperture of second through-hole by first through-hole to seed metering dish another side crescent, wherein, first through-hole is located in fill kind the storehouse seed metering dish a side.
As an improvement on the structure of the utility model, one side of the seed discharging plate is provided with a trash cleaning brush, the trash cleaning brush comprises a base and a brush body, the brush body is cylindrical and consists of a plurality of brush hairs, and the bottoms of the brush hairs are fixed on the base and are arranged along the axial direction of the base; the diameter of the cross section of the brush body is smaller than that of the seed suction hole.
As the utility model discloses structural improvement, the lateral part of drain pan and installation lid is equipped with the end cover respectively, the end cover passes through bolt assembly and flange joint, the flange will the seed metering device is connected with the ditching disseminator.
As the utility model discloses structural improvement, the mounting disc periphery is equipped with the round ka tai, the drain pan correspond the position be equipped with the corresponding draw-in groove of ka tai, be equipped with the sealing washer in the draw-in groove, the sealing washer is used for sealing up ka tai with the junction of draw-in groove.
As the utility model discloses structural improvement, the slope is equipped with a plurality of blend stops on the seed metering dish, the blend stop is located inhale the outside of kind of a hole, blend stop incline direction with the rotation direction of seed metering dish is unanimous.
By adopting the technical scheme, the method has the following beneficial effects: the utility model provides a novel seed metering is inhaled to rice gas device, simple structure, convenient operation waits to sow in the seed is added to the seed filling storehouse by filling kind of a mouthful to by the seed absorption hole absorption on the seed metering dish that the negative pressure room corresponds the department, rotate along with the seed metering dish, when the seed metering dish rotates to ordinary pressure room, the seed on the seed metering dish loses the negative pressure and adsorbs the back by the seed metering mouth after the action of gravity falls down. The seed sowing efficiency is high, the seed damage rate is low, and the seed sowing plate and the mounting plate are convenient to replace and maintain.
Drawings
FIG. 1 is a schematic structural view of a novel rice air-suction seeding device provided by an embodiment of the present invention;
FIG. 2 is a schematic view of a seed suction hole provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of an impurity removing brush provided in an embodiment of the present invention;
FIG. 4 is a side view of the novel rice air-suction seeding device provided by the embodiment of the present invention;
FIG. 5 is a schematic structural view of a seed discharge tray provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of the bottom case provided by the present invention.
In the figure, the position of the upper end of the main shaft,
1. a housing; 1.1, mounting a cover; 1.2, a bottom shell; 2. a seed discharging tray; 2.1, seed sucking holes; 2.11, a second through hole; 2.12, a first through hole; 3. cleaning the impurities; 3.1, a base; 3.2, a brush body; 4. an end cap; 5. a negative pressure tuyere; 6. filling the seed mouth; 7. a seed discharge port; 8. a negative pressure chamber; 9. a stirring disk; 9.1, seed guiding teeth; 10. blocking strips; 11. mounting a disc; 12. a baffle plate; 13. a rotating shaft; 14. and (5) a seed filling bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship 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 "coupled" 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.
"plurality" means two or more unless otherwise specified.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example (b):
the embodiment provides a novel rice air suction seeding device, which comprises a shell 1, wherein the shell 1 comprises a bottom shell 1.2 and an installation cover 1.1, the bottom shell 1.2 and the installation cover 1.1 are mutually butted and then fixed, the bottom shell 1.2 and the installation cover 1.1 can be fixedly connected through a connecting piece, and the connecting piece can be a bolt and a nut; a seed metering disc 2 and an installation disc 11 are arranged in the shell, end covers 4 are respectively arranged on the side portions of the bottom shell 1.2 and the installation cover 1.1, the end covers 4 are connected with flanges through bolt assemblies, and the flanges are used for connecting the seed metering device with the ditching seeder.
A cavity is formed between the bottom shell 1.2 and the mounting disc 11, the cavity is divided into an upper layer and a lower layer by a baffle 12, wherein the upper layer is a negative pressure chamber 8, the lower layer can be a normal pressure chamber, a negative pressure air port 5 is arranged at the top of the negative pressure chamber 8, the negative pressure air port 5 is connected with a suction fan through a negative pressure joint, the seed discharging disc 2 is rotatably connected in the shell 1, a circle of seed sucking holes 2.1 which are uniformly distributed are arranged on the seed discharging disc 2 along the circumferential direction, the seed discharging disc 2 is attached to the mounting disc 11 to ensure the stable state of negative pressure in the negative pressure chamber, an arc-shaped through hole 11.1 is arranged on the mounting disc 11, the arc-shaped through hole 11.1 corresponds to the circumferential position of the seed sucking hole 2.1, and the arc-shaped through hole 11.1 is arranged to facilitate the improvement of the adsorption; the utility model discloses a seed metering device, including mounting cover 1.1, seed metering dish 2, mounting cover 1.1 and be equipped with between the seed metering dish and fill kind of storehouse 14, it is equipped with the kind of mouth 6 to fill kind of storehouse 14 top, 1 bottom of shell is equipped with seed metering mouth 7, specifically, forms the accommodation space between mounting cover 1.1 and the seed metering dish 2, and this accommodation space is separated into by the baffle and fills kind of storehouse, fills kind of storehouse below for the storehouse of falling kind, seed metering mouth is located the storehouse bottom of falling kind of storehouse.
Therefore, the seed discharging disc is rotatably connected in the shell through the rotating shaft, one end of the rotating shaft 13 sequentially penetrates through the mounting cover 1.1 and the seed discharging disc 2 to be rotatably connected in a bearing arranged on the mounting disc, and the other end of the rotating shaft is connected with the driving motor. An output shaft of the driving motor is connected with the rotating shaft through a coupler, the motor drives the output shaft to rotate, and the seed discharging disc is fixed on the output shaft so as to drive the seed discharging disc to rotate.
In order to avoid that the seeds falling into the seed filling bin are gathered together to influence the adsorption of the seed suction holes, a stirring disc 9 is fixed on the seed discharging disc and is arranged on one side surface of the seed discharging disc, and the side surface is a side surface close to the seed filling bin; a plurality of seed guiding teeth 9.1 are uniformly distributed on the stirring disc along the circumferential direction, and the seed guiding teeth are positioned between the two seed suction holes 2.1. The stirring disc 9 rotates along with the seed discharging disc, the rotating seed discharging disc drives the seed guiding teeth to stir the seeds in the seed charging bin, and the seed guiding teeth are positioned between the two seed sucking holes, so that the seeds are favorably guided to enter the seed sucking holes, and the seed sucking efficiency is improved.
Inhale kind of hole 2.1 and run through seed metering dish, including first through-hole 2.12 and second through-hole 2.11, first through-hole is the unified circular port of internal diameter, the aperture of second through-hole by first through-hole to seed metering dish another side crescent, wherein, first through-hole is located in the storehouse of filling seed metering dish a side. The structural design of the seed suction hole is beneficial to sucking seeds one by one, and the seeding efficiency is improved.
In order to timely remove sundries in the seed suction holes, one side of the seed discharging plate is provided with a sundry cleaning brush 3, the sundry cleaning brush comprises a base 3.1 and a brush body 3.2, the brush body is cylindrical and consists of a plurality of brush hairs, and the bottoms of the brush hairs are fixed on the base and are arranged along the axial direction of the base; the diameter of the cross section of the brush body is smaller than that of the seed suction hole, so that the bristles of the brush body can conveniently enter the seed suction hole to be cleaned, and the impurity cleaning brush is also favorable for removing seeds in the seed suction hole.
The bottom shell is provided with a clamping groove corresponding to the clamping table, a sealing ring is arranged in the clamping groove, and the sealing ring is used for sealing the joint of the clamping table and the clamping groove.
In order to further improve the seed suction effect of the seed suction hole, a plurality of barrier strips 10 are obliquely arranged on the seed sowing plate 2 and are positioned on the outer side of the seed suction hole, the inclined direction of the barrier strips is consistent with the rotating direction of the seed sowing plate, and the barrier strips play a role in guiding the movement of seeds so that the seeds are sucked into the seed suction hole one by one.
The novel rice air-suction seed metering device provided by the embodiment adds seeds into the seed filling bin through the seed filling port, the driving motor drives the seed metering disc to rotate, the suction fan works to enable the negative pressure chamber to be in a negative pressure state, the seeds are adsorbed in the seed sucking holes in the rotating process of the seed metering disc, when the seed metering holes rotate to the normal pressure chamber below the negative pressure chamber, the adsorption force of the seed metering holes is lost, and the seeds in the seed metering holes are discharged through the seed metering port after falling.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The novel rice air suction seed discharging device is characterized by comprising a shell (1), wherein the shell (1) comprises a bottom shell (1.2) and an installation cover (1.1), the bottom shell (1.2) and the installation cover (1.1) are mutually butted and then fixed, a seed discharging disc (2) and an installation disc (11) are arranged in the shell (1), a cavity is formed between the bottom shell (1.2) and the installation disc (11), the cavity is divided into an upper layer and a lower layer by a baffle, wherein the upper layer is a negative pressure chamber (8), a negative pressure air port (5) is arranged at the top of the negative pressure chamber (8), the negative pressure air port (5) is connected with a suction fan through a negative pressure joint, the seed discharging disc (2) is rotatably connected in the shell (1), a circle of seed suction holes (2.1) which are uniformly distributed are circumferentially arranged on the seed discharging disc (2), and arc-shaped through holes (11.1) are formed in the installation disc (11), the arc-shaped through hole (11.1) corresponds to the position of the circumference where the seed suction hole (2.1) is located; a seed filling bin (14) is arranged between the mounting cover (1.1) and the seed discharging disc (2), a seed filling port (6) is arranged at the top of the seed filling bin (14), and a seed discharging port (7) is arranged at the bottom of the shell (1).
2. The novel rice air-suction seed-metering device according to claim 1, characterized in that the seed-metering disc (2) is rotatably connected in the housing (1) through a rotating shaft (13), one end of the rotating shaft (13) sequentially passes through the mounting cover (1.1) and the seed-metering disc (2) to be rotatably connected in a bearing arranged on the mounting disc (11), and the other end is connected with a driving motor.
3. The novel rice air-suction seed-metering device according to claim 1, characterized in that a stirring disc (9) is fixed on the seed-metering disc (2), the stirring disc (9) is arranged on one side surface of the seed-metering disc (2), and the side surface is a side surface close to the seed-filling bin (14); a plurality of seed guiding teeth (9.1) are uniformly distributed on the stirring disc (9) along the circumferential direction, and the seed guiding teeth (9.1) are positioned between the two seed suction holes (2.1).
4. The novel rice air-suction seed-metering device according to claim 1, characterized in that the seed-suction hole (2.1) penetrates through the seed-metering disc and comprises a first through hole (2.12) and a second through hole (2.11), the first through hole (2.12) is a circular hole with a uniform inner diameter, the diameter of the second through hole is gradually increased from the first through hole to the other side surface of the seed-metering disc, and the first through hole is positioned on one side surface of the seed-metering disc in the seed-filling bin.
5. The novel rice air-suction seed-metering device according to claim 1, characterized in that one side of the seed-metering disc (2) is provided with a trash-cleaning brush (3), the trash-cleaning brush (3) comprises a base (3.1) and a brush body (3.2), the brush body (3.2) is cylindrical by a plurality of brush hairs, and the bottoms of the brush hairs are fixed on the base and are arranged along the axial direction of the base; the diameter of the cross section of the brush body is smaller than that of the seed suction hole.
6. The novel rice air-suction seed-metering device of claim 1, characterized in that the side parts of the bottom shell and the mounting cover are respectively provided with an end cover (4), the end covers are connected with a flange through bolt assemblies, and the flange connects the seed-metering device with a ditching and seeding machine.
7. The novel rice air-suction seed-metering device as claimed in claim 1, characterized in that a circle of clamping table is arranged on the outer periphery of the mounting plate (11), a clamping groove corresponding to the clamping table is arranged at a position corresponding to the bottom shell, and a sealing ring is arranged in the clamping groove and used for sealing the joint of the clamping table and the clamping groove.
8. The novel rice air-suction seed-metering device according to claim 1, characterized in that a plurality of baffle strips (10) are obliquely arranged on the seed-metering disc (2), the baffle strips (10) are positioned at the outer side of the seed-suction hole, and the inclination direction of the baffle strips is consistent with the rotation direction of the seed-metering disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233131.9U CN210381867U (en) | 2019-07-29 | 2019-07-29 | Novel rice air-suction seed metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921233131.9U CN210381867U (en) | 2019-07-29 | 2019-07-29 | Novel rice air-suction seed metering device |
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| Publication Number | Publication Date |
|---|---|
| CN210381867U true CN210381867U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921233131.9U Active CN210381867U (en) | 2019-07-29 | 2019-07-29 | Novel rice air-suction seed metering device |
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| CN (1) | CN210381867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710997A (en) * | 2022-04-21 | 2022-07-08 | 黑龙江省众为农机有限公司 | Negative pressure controller for mechanical variable-frequency steering engine agricultural fan |
-
2019
- 2019-07-29 CN CN201921233131.9U patent/CN210381867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114710997A (en) * | 2022-04-21 | 2022-07-08 | 黑龙江省众为农机有限公司 | Negative pressure controller for mechanical variable-frequency steering engine agricultural fan |
| CN114710997B (en) * | 2022-04-21 | 2024-01-26 | 黑龙江省众为农机有限公司 | Mechanical variable-frequency type negative pressure controller for steering engine agricultural fan |
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