CN210537367U

CN210537367U - Precision dibbler for rice

Info

Publication number: CN210537367U
Application number: CN201920996129.0U
Authority: CN
Inventors: 冯伟东; 桂林国; 曾宝安; 马洪文; 贺奇; 张文银; 吴瑞; 周建东; 杨晓婉; 刘立峰; 胡春香
Original assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Current assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-19
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a rice precision dibbler, which comprises a movable disk, a rotating shaft, a duckbilled assembly and a fixed disk assembly, wherein the duckbilled assembly is arranged on the movable disk, the duckbilled assembly comprises a plurality of duckbills, the movable disk is provided with seed leaking grooves which are communicated with the duckbills and correspond to the duckbills, the movable disk and the rotating shaft are of an integrated structure, the movable disk makes circular motion along with the rotation of the rotating shaft, the fixed disk assembly and the movable disk are concentrically installed, the fixed disk assembly is connected with the rotating shaft through a bearing, the fixed disk assembly also comprises a seed separating box fixedly connected with the fixed disk, the seed separating box is fixed at the upper right side of one side of the circular surface of the fixed disk, the top of the seed separating box is provided with an inoculation funnel, the bottom of the seed separating box is an inclined surface which is inclined downwards, the bottom of the inclined surface is provided with a seed leaking port, a seed, the seed leaking port can be communicated with any seed leaking groove. The seed discharge opening is arranged on the side surface, and the staying path of the seeds in the seeder is short.

Description

Precision dibbler for rice

Technical Field

The utility model belongs to the technical field of agricultural machinery, concretely relates to smart volume dibbler of rice.

Background

The rice is a main grain crop in China, and in the rice planting link, the quality of the sowing link is related to the planting benefit all year round; the current comparison recommendation is a precision direct seeding technology, and two modes of hole seeding and drill seeding are mainly adopted; the drill seeding mainly comprises the steps that seeds are uniformly discharged by the seeder in the walking process, free falling bodies fall into a groove, the quantity of the discharged seeds is greatly related to the walking speed of the seeder, and due to the height difference between the seeding apparatus and the ground, the seeds are easily displaced in the falling process, the seeding distance is influenced, and the seeding is not uniform; the rice precision hole sowing technology can solve the problem, and the key for realizing the technology is the development of a rice precision hole sowing device, which can effectively ensure the density and uniformity of rice planting and is beneficial to the increase of the per mu yield of rice; therefore, rice precision hill-drop machines are increasingly widely used; the design and development of the hill planter are key links of the precision hill planter. The seed leakage port of the existing duckbilled precision dibbler is opened at the bottom, seeds return to the bottom to be sowed into the soil by circling the center of a disk in a duckbilled shape for a circle, the residence time of the seeds in the precision dibbler is too long, the seeds rotate along with the precision dibbler for too long running track, the damage to the seeds in the process is large, and the sowing quality is influenced.

Disclosure of Invention

In order to improve the uniformity of rice seeding, realize the smart volume bunch planting of rice, the utility model provides a smart volume bunch planting ware of rice.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a rice precision dibbler comprises a movable disk, a rotating shaft, a duckbill assembly and a fixed disk assembly, wherein the duckbill assembly is arranged on the movable disk, the duckbill assembly comprises a plurality of duckbills, the movable disk is provided with a seed leaking groove communicated with the duckbills and corresponding to the duckbills, the movable disk and the rotating shaft are of an integrated structure, the movable disk moves circularly along with the rotation of the rotating shaft, the fixed disk assembly and the movable disk are concentrically arranged, the fixed disk assembly is connected with the rotating shaft through a bearing, the fixed disk assembly further comprises a seed separating box fixedly connected with the fixed disk, the seed separating box is fixed on the upper right side of one side of the circular surface of the fixed disk, the top of the seed separating box is provided with an inoculation funnel, the bottom of the seed separating box is an inclined surface inclined downwards, the bottom of the inclined surface is provided with a seed taking plate tangent to the inclined surface, the seed taking plate rotates along with the rotation, the seed taking plate is provided with a circular brush in a matching way, and the seed leaking port can be communicated with any seed leaking groove.

Further, drive mechanism includes driving gear and driven gear, the driving gear is fixed on the axis of rotation with one heart, driven gear fixes on the installation axle of getting the kind of dish with one heart, it is the integrated structure rather than installation axle to get kind of dish, the installation axle is rotatable to be installed in seed sorting box.

Further, the inoculation funnel is fixedly connected with a fixed disc, and the fixed disc is provided with a through hole which is matched and communicated with the seed leaking port and the seed leaking groove.

Further, the opening of the seed discharge port is between 90 and 120 degrees in the clockwise direction on one side of the circular surface of the fixed disc.

Further, the movable disc is provided with a limiting plate for limiting the depth of the duckbill inserted into the soil.

Further, the duckbill is inserted into the soil to a depth of 8-12 mm.

Has the advantages that: the seed discharge opening of the utility model is arranged on the side surface, compared with the bottom, the seed discharge opening has short staying path and time in the seeder, little damage to the seed and high survival rate of the seed; the duckbilled depth of the duckbilled insert is suitable for the precise dry hole sowing of rice, which is beneficial to the survival of rice seeds and improves the sowing quality.

Drawings

FIG. 1 is a schematic view of the internal structure of a rice precision dibbler;

FIG. 2 is a schematic view of the overall structure of a rice precision dibbler;

FIG. 3 is a schematic side view of a rice precision dibbler;

FIG. 4 is another schematic side view of the rice precision dibbler;

in the figure, a movable disc 1, a seed leaking groove 11, a duckbill assembly 2, a fixed disc assembly 3, an inoculation funnel 31, a seed separating box 32, a seed taking disc 33, a circular brush 34, a bearing 4 and a rotating shaft 5.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 to 4 show a rice precision dibbler, which comprises a movable disk 1, a rotating shaft 5, a duckbilled assembly 2 and a fixed disk assembly 3, wherein the duckbilled assembly 2 comprises a plurality of duckbills, in this embodiment, 12 duckbills are provided, the duckbilled assembly 2 is arranged on the movable disk 1, the movable disk 1 is provided with seed leakage grooves 11 which are communicated with the duckbills and correspond to the duckbills, the movable disk 1 and the rotating shaft 5 are of an integral structure or are cast into an integral structure or are pinned into an integral structure, the movable disk 1 rotates along with the rotating shaft 5 to move circumferentially, the fixed disk assembly 3 and the movable disk 1 are concentrically arranged, as can be seen from fig. 2, the movable disk 1 and the fixed disk are in a nested relationship, the fixed disk assembly 3 is connected with the rotating shaft 5 in a matching manner through a bearing 4, the fixed disk assembly 3 further comprises a seed distribution box 32 fixedly connected with the fixed disk, and the seed distribution box 32 is fixed at the upper right side of, between 0 to 90 regions clockwise on one side of the disc of the price fixing, accessible fix with screw, seed box 32 top sets up inoculation funnel 31, seed box 32 bottom is the inclined plane of downward sloping, the inclined plane bottom sets up the hourglass mouth, rotatable being provided with in seed box 32 gets kind of a dish 33 tangent with the inclined plane, it rotates along with the rotation of axis of rotation 5 through drive mechanism to get kind of a dish 33, it sets up circular brush 34 to get the cooperation of kind of a dish 33, circular brush 34 is used for brushing away and gets kind of dish 33 and go up unnecessary seed, the hourglass mouth can communicate arbitrary kind of a groove 11.

The transmission mechanism comprises a driving gear and a driven gear, the driving gear is concentrically fixed on the rotating shaft 5, the driven gear is concentrically fixed on an installation shaft of the seed taking disc 33, the seed taking disc 33 and the installation shaft are of an integrated structure, and the installation shaft can be rotatably installed in the seed separating box 32.

The inoculation funnel 31 is fixedly connected with the fixed disc, or can be cast into an integral structure with the fixed disc, or is fixed through a threaded connecting piece, and the fixed disc is provided with a through hole which is matched and communicated with the seed leaking port and the seed leaking groove 11. The matching error between the seed leaking port and the inner side surface of the seed leaking groove 11 arranged on the movable disc 1 is not more than 1mm, preferably 0.2-0.5 mm.

The movable disc 1 is provided with a limiting plate for limiting the depth of the duckbill inserted into the soil. The limiting plate can be a circular ring-shaped plate fixed on the edges of the circular surfaces on the two sides of the movable disk 1, and can also be integrated with the movable disk 1, the limiting plate is the latter in the embodiment, and grooves with certain depth can be formed at the duckbilled parts in figures 2 to 4.

The duckbill is inserted into the soil to a depth of 8-12mm under the limitation of the limiting plate, and the depth is suitable for the survival of rice seeds.

The duckbilled dibbler has the working principle that: each duckbill comprises a lower jaw, a movable upper jaw, a spring and a side guide rod, wherein the lower jaw, the movable upper jaw and the spring are fixed on the movable disc 1, the side guide rod and the movable upper jaw are of an integrated structure, the duckbill assembly 2 further comprises a guide wheel fixed on the bottom side of the movable disc 1, and the side guide rod enables the duckbills to be opened and closed under the matching of the spring and the guide wheel; the dibbler is pressed by the dead weight and the seeder, so that the duckbill is forced to press into the soil to a preset depth, and the rim of the dibbler is driven to roll forwards under the action of the soil friction force and the soil on the duckbill; as the wheel disc rolls, the duckbill gradually approaches the ground and pricks into the ground to a preset depth, and meanwhile, a hole is formed through gradual extrusion and excavation of the soil; then, the side guide rod is blocked by the guide wheel to rotate, and simultaneously drives the movable forehead opening nozzle to sow seeds, so as to realize preliminary seed covering in the collapse of soil; and the movable upper jaw resets under the action of the spring along with the continuous forward of the wheel disc, the duckbill is closed, and the next round of seeding is started.

To sum up, the utility model discloses obvious beneficial effect does: the seed discharge opening of the utility model is arranged on the side surface, compared with the bottom, the seed discharge opening has short staying path and time in the seeder, little damage to the seed and high survival rate of the seed; the duckbilled depth of the duckbilled insert is suitable for the precise dry hole sowing of rice, which is beneficial to the survival of rice seeds and improves the sowing quality.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the technical scope of the present invention.

Claims

1. A rice precision dibbler comprises a movable disk, a rotating shaft, a duckbill assembly and a fixed disk assembly, wherein the duckbill assembly is arranged on the movable disk, the duckbill assembly comprises a plurality of duckbills, the movable disk is provided with a seed leaking groove communicated with the duckbills and corresponding to the duckbills, the rice precision dibbler is characterized in that the movable disk and the rotating shaft are of an integrated structure, the movable disk performs circular motion along with the rotation of the rotating shaft, the fixed disk assembly and the movable disk are concentrically installed, the fixed disk assembly is connected with the rotating shaft through a bearing, the fixed disk assembly further comprises a seed separating box fixedly connected with the fixed disk, the seed separating box is fixed at the upper right side of one side of the circular surface of the fixed disk, the top of the seed separating box is provided with an inoculation funnel, the bottom of the seed separating box is an inclined surface inclined downwards inclined surface, a seed leaking port is arranged at the bottom of the inclined surface, a seed taking plate which is, the seed taking plate is provided with a circular brush in a matching way, and the seed leaking port can be communicated with any seed leaking groove.

2. The rice precision hill planter as claimed in claim 1, wherein the transmission mechanism comprises a driving gear and a driven gear, the driving gear is concentrically fixed on the rotating shaft, the driven gear is concentrically fixed on a mounting shaft of the seed picking disc, the seed picking disc and the mounting shaft are integrated into a whole, and the mounting shaft is rotatably mounted in the seed separating box.

3. The rice precision hill planter as claimed in claim 1, wherein the inoculation funnel is fixedly connected with a fixed plate, and the fixed plate is provided with a through hole for communicating the seed leaking port and the seed leaking groove in a matching manner.

4. The rice precision hill planter as claimed in claim 1, wherein the opening of the seed discharge opening is between 90 ° and 120 ° clockwise on one side of the circular surface of the fixed plate.

5. The rice precision hill planter as claimed in claim 1, wherein said movable plate is provided with a limiting plate for limiting the depth of insertion of the duckbill into the soil.

6. The rice precision dibbler of claim 1, wherein said duckbill is inserted into the soil to a depth of 8-12 mm.