阅读说明：本技术 一种用于玉米种子的高效播种装置及播种方法 (Efficient seeding device and method for corn seeds ) 是由 吕巨智 李发桥 石达金 唐国荣 谭贤杰 于 2021-08-31 设计创作，主要内容包括：本发明属于玉米播种技术领域,具体涉及一种用于玉米种子的高效播种装置及播种方法,装置包括机体和多个播种机构,多个播种机构横向间隔安装在机体内,机体上设有进料箱,且进料箱后端安装有朝向机体内设置的进料板,播种机构包括基座、第一电机、拨种板和计数组件,基座安装在机体内,第一电机安装在基座上,拨种板转动连接在基座上进料板上竖向设有与进料箱相连通的卸料通道,卸料通道与拨种板相对应,且卸料通道靠近拨种板的一侧开设有让位槽,卸料通道远离拨种板的一侧安装有计数组件。本发明的播种机构上的拨种板和计数组件配合作业,具有有效保证播种均匀,避免出现漏播、少播或者多播的情况发生的技术特点。(The invention belongs to the technical field of corn sowing, and particularly relates to a high-efficiency sowing device and a sowing method for corn seeds. The seed poking plate and the counting assembly on the sowing mechanism are matched for operation, so that the sowing mechanism has the technical characteristics of effectively ensuring uniform sowing and avoiding the occurrence of missed sowing, less sowing or multicast.)

1. The efficient seeding device for the corn seeds is characterized by comprising a machine body (1) and a plurality of seeding mechanisms, wherein the seeding mechanisms are transversely installed in the machine body (1) at intervals, a feeding box (11) is arranged on the machine body (1), a feeding hole (12) is formed in the feeding box (11), a feeding plate (13) facing the interior of the machine body (1) is installed at the rear end of the feeding box (11),

the seeding mechanism comprises a base, a first motor (2), a seed poking plate (3) and a counting assembly (4), the base is installed in the machine body (1), the first motor (2) is installed on the base, the seed poking plate (3) is rotatably connected onto the base and rotatably connected with the first motor (2) through a belt pulley, an unloading channel (131) communicated with the feeding box (11) is vertically arranged on the feeding plate (13), the unloading channel (131) corresponds to the seed poking plate (3), a abdicating groove (132) is formed in one side, close to the seed poking plate (3), of the unloading channel (131), when the seed poking plate (3) rotates, the seed poking plate (3) partially penetrates the abdicating groove (132) and abuts against the inner wall of the unloading channel (131), one side, far away from the seed poking plate (3), of the unloading channel (131) is provided with the counting assembly (4), and the counting assembly (4) is positioned above the yielding groove (132).

2. The efficient seeding device for corn seeds as claimed in claim 1, characterized in that the seed-poking plate (3) is of a cylindrical structure, and the outer edge of the seed-poking plate (3) is concavely provided with a plurality of discharging grooves (31), and the discharging grooves (31) are distributed in a circular array.

3. The efficient seeding device for corn seeds according to claim 1, wherein the counting assembly (4) comprises a rotating block (41), two limiting plates (42), a counting sensor (43) and an electric telescopic rod (44), the rotating block (41) is rectangular, the upper part and the lower part of the rotating block are both inclined inwards to form an olive-shaped structure, the rotating block (41) is rotatably connected with the machine body (1), the two limiting plates (42) are respectively and transversely rotatably connected with the upper part and the lower part of the rotating block (41), the counting sensor (43) is mounted on one of the limiting plates (42) below, one side of the rotating block (41) far away from the limiting plates (42) is rotatably connected with the electric telescopic rod (44), the discharging channel (131) is provided with two sockets corresponding to the two limiting plates (42), when electric telescopic handle (44) upwards extends, be located one of top limiting plate (42) are inserted and are established in rather than corresponding socket, be located one of below limiting plate (42) roll-off rather than corresponding socket, work as when electric telescopic handle (44) shrink downwards, be located one of top limiting plate (42) roll-off rather than corresponding socket, be located one of below limiting plate (42) are inserted and are established in rather than corresponding socket.

4. The efficient seeding device for corn seeds of claim 1, further comprising a soil turning mechanism (5), wherein the soil turning mechanism (5) is located in front of the discharging channel (131), the soil turning mechanism (5) comprises a second motor (51), a first rotating shaft (52) and a soil turning component, the soil turning component is sleeved on the first rotating shaft (52), the first rotating shaft (52) is rotatably connected in the machine body (1), one end of the first rotating shaft (52) is rotatably connected with the second motor (51), and the second motor (51) is fixedly arranged on the outer side wall of the machine body (1).

5. The efficient seeding device for the corn seeds as claimed in claim 4, wherein the soil turning assembly comprises a soil turning plate (53) and a plurality of soil turning blocks (54), the soil turning plate (53) is of a cylindrical structure, the soil turning blocks (54) are arranged on the outer edge of the soil turning plate (53) and distributed in a circular array, one end of the soil turning block (54) far away from the soil turning plate (53) is obliquely arranged, and a soil turning groove (541) is concavely arranged on the front end surface of the soil turning block (54).

6. A high efficiency seed planting device for corn seeds as claimed in claim 1, further comprising a driving mechanism, wherein the driving mechanism comprises two driving wheels (6) and two driven wheels (7), the two driving wheels (6) are installed at the rear of the bottom of the machine body (1), and the two driven wheels (7) are installed at the front of the bottom of the machine body (1).

7. The efficient seeding device for corn seeds of claim 1, further comprising a covering mechanism, wherein the covering mechanism comprises two covering assemblies (8) which are arranged at the rear end of the machine body (1) in parallel, the covering assembly (8) comprises a bracket (81), a second rotating shaft (82), a plurality of covering plates (83) and a third motor (84), the bracket (81) is arranged at the rear end of the machine body (1), the second rotating shaft (82) is rotatably connected in the bracket (81), one end of the second rotating shaft (82) is rotatably connected with the third motor (84), the third motor (84) is arranged on the bracket (81), and the plurality of covering plates (83) are fixedly arranged on the second rotating shaft (82) and are distributed in a circular array.

8. A high-efficiency corn sowing method for sowing seeds by using the high-efficiency sowing device for corn seeds of any one of claims 1 to 7, which is characterized by comprising the following steps:

A. selecting a planting field: selecting soil which is loose, good in water absorption and permeability and fertile, and adding an organic fertilizer to be uniformly mixed to serve as a planting field;

B. selecting corn seeds: selecting full-grained mature corn seeds without diseases and insect pests, and screening impurities by using a screening machine for later use;

C. track laying: sliding rails (92) for sliding the efficient sowing device for the corn seeds are arranged on two sides of each planting ridge (91) of the planting field;

D. sowing: the efficient seeding device for corn seeds of any one of claims 1 to 7 is used for seeding.

9. The method for efficiently sowing corn seeds as claimed in claim 1, wherein in step C, the sliding speed of the sowing device is adjusted according to the set planting distance so as to control the falling time difference of the corn seeds.

Technical Field

The invention belongs to the technical field of corn sowing, and particularly relates to a high-efficiency sowing device and a sowing method for corn seeds.

Background

Corn is an annual cross-pollinated plant with the same male and female plants, has tall and big plants and strong stems, is an important food crop and feed crop, is also the crop with the highest total yield all over the world, and has the planting area and the total yield which are second to rice and wheat.

With the development of times and corn planting industry, the mode of corn sowing is gradually developed from traditional manual sowing to mechanical sowing. However, when the corn is sowed, the sowing quantity and the sowing level of the conventional sowing equipment are uneven, so that the sowing is uneven, the conditions of miss sowing, less sowing or multicast occur, and then manual thinning and replanting are needed. According to the statistics of experimental data, the sowing efficiency of the existing double-row sowing machine is 3684.72min/hm²The miss-seeding rate is 1.25%, and the rebroadcasting rate is 1.07%; the sowing efficiency of the artificial direct sowing is 396.45min/hm²The miss rate is 0% and the replay rate is 0%. From experimental data, the sowing efficiency of the existing double-row sowing machine has absolute advantages compared with the sowing efficiency of manual direct sowing, but the sowing leakage rate and the re-sowing rate are less satisfactory than those of the manual direct sowing. The two seeding modes are not ideal on the whole, cannot meet the current use requirements, and cause great obstacle to the mechanized development of corn seeding. Therefore, in view of the above drawbacks, it is necessary to provide a better technical solution to solve the above technical problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The invention aims to solve the technical problems and provides an efficient seeding device and a seeding method for corn seeds, which mainly solve the technical problems of uneven seeding, missed seeding, less seeding or multicast caused by uneven seeding quantity and level of the conventional seeding equipment.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a high-efficient seeder for maize seed, includes organism and a plurality of sowing mechanism, and is a plurality of sowing mechanism lateral separation installs in the organism, be equipped with the feeding case on the organism, be equipped with the feed inlet on the feeding case, just the orientation is installed to feeding case rear end the feed plate that sets up in the organism.

Sowing mechanism includes base, first motor, dials seed board and counting assembly, the pedestal mounting is in the organism, first motor is installed on the base, dial the seed board and rotate to be connected on the base and through the belt pulley with first motor rotates to be connected, on the feed board vertical be equipped with the discharge passage that the feed box is linked together, discharge passage with dial the seed board and correspond, just discharge passage is close to dial one side of seed board and seted up the groove of stepping down, work as when dial the seed board and rotate, dial the seed board part and pass the groove of stepping down and with discharge passage's inner wall butt, discharge passage keeps away from dial one side of seed board and install counting assembly, just counting assembly is located the top of the groove of stepping down.

Preferably, the seed poking plate is of a cylindrical structure, a plurality of discharge chutes are concavely arranged on the outer edge of the seed poking plate, and the discharge chutes are distributed in a circular array.

Preferably, the counting assembly comprises a rotating block, two limiting plates, a counting sensor and an electric telescopic rod, the rotating block is in a cuboid shape, the two sides of the upper portion and the lower portion of the rotating block are inclined inwards to form an olive-shaped structure, the rotating block is rotatably connected with the machine body, the two limiting plates are respectively and transversely rotatably connected with the upper portion and the lower portion of the rotating block, the counting sensor is installed on one limiting plate located below, one side, away from the limiting plate, of the rotating block is rotatably connected with the electric telescopic rod, two sockets corresponding to the two limiting plates are formed in the discharging channel, when the electric telescopic rod extends upwards, one limiting plate located above is inserted into the socket corresponding to the limiting plate, one limiting plate located below slides out of the socket corresponding to the limiting plate, when the electric telescopic rod retracts downwards, the upper limiting plate slides out of the corresponding socket, and the lower limiting plate is inserted into the corresponding socket.

Preferably, still include the mechanism of digging, the mechanism of digging is located the place ahead of discharge passage, the mechanism of digging includes second motor, first axis of rotation and the subassembly of digging, the subassembly cover of digging is established on the first axis of rotation, first axis of rotation rotates to be connected in the organism, just the one end of first axis of rotation with the second motor rotates to be connected, the second motor is fixed to be established on the organism lateral wall.

Preferably, the subassembly of digging includes the board of digging and a plurality of the piece of digging, the board of digging is cylindric structure, and the polylith the piece of digging is installed the outer edge of the board of digging is and is circular array distribution setting, the piece of digging is kept away from the one end slope setting of the board of digging, the preceding terminal surface concave groove of digging.

Preferably, the machine further comprises a driving mechanism, wherein the driving mechanism comprises two driving wheels and two driven wheels, the two driving wheels are installed behind the bottom of the machine body, and the two driven wheels are installed in front of the bottom of the machine body.

Preferably, still include earthing mechanism, earthing mechanism includes that two parallel mount are in the earthing subassembly of organism rear end, the earthing subassembly includes support, second axis of rotation, polylith earthing plate and third motor, the support mounting is in the organism rear end, the second axis of rotation rotates to be connected in the support, just the one end of second axis of rotation with the third motor rotates to be connected, the third motor is installed on the support, the polylith the earthing plate is fixed to be established circular array distribution device is gone up and is in the second axis of rotation.

The efficient corn sowing method for sowing the corn seeds by using the efficient sowing device for the corn seeds comprises the following steps:

A. selecting a planting field: selecting soil which is loose, good in water absorption and permeability and fertile, and adding an organic fertilizer to be uniformly mixed to serve as a planting field;

B. selecting corn seeds: selecting full-grained mature corn seeds without diseases and insect pests, and screening impurities by using a screening machine for later use;

C. track laying: the two sides of each planting ridge of the planting field are provided with sliding rails for the sliding of the efficient sowing device for the corn seeds;

D. sowing: the efficient seeding device for corn seeds, which is described in any one of claims 1 to 7, is used for seeding.

Preferably, in step C, the sliding speed of the sowing device is adjusted according to the set planting distance so as to control the corn seed falling time difference.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. according to the seeding mechanism, the seed poking plate and the counting assembly are matched for operation, when the seed poking plate rotates, the corn seeds can be loaded on the outer edge of the seed poking plate in a uniform and intermittent manner, the counting assembly ingeniously utilizes the telescopic operation of the electric telescopic rod 44 to realize the telescopic operation of the two limiting plates 42 at intervals, the material blocking and blanking work of the corn seeds is completed, the seed poking plate and the counting assembly are matched with each other and cooperate with each other, the seeding uniformity is effectively guaranteed, the conditions of missed seeding, short seeding or multicast are avoided, the complexity of subsequent work is reduced, and the working efficiency is improved.

2. According to the corn seed planting device, the soil turning component on the soil turning mechanism can quickly turn over the planting field in a loosening manner, so that the planting effect of corn seeds is guaranteed, and a basic guarantee is provided for the subsequent good growth of the corn seeds; one end of the soil turning block, which is far away from the soil turning plate, is obliquely arranged to form a tip, so that the soil turning block is favorably inserted into a planting field to complete the work of loosening and turning the planting field; the soil turning groove on the front end surface of the soil turning block enables the effect of easily turning over the planting field when meeting the planting field with hard texture.

3. According to the corn seed covering machine, the directions of the two third motors on the two covering assemblies are opposite, so that the covering plates can be turned inwards to push soil, which is turned to the two sides of the planting groove under the operation of the previous soil turning mechanism, back into the planting groove to complete the corn seed covering work, the operation is convenient and fast, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a top view of the internal structure of the present invention;

FIG. 4 is a schematic structural diagram of a seed-pulling plate according to the present invention;

FIG. 5 is an enlarged schematic view of FIG. 2 at A;

FIG. 6 is a schematic view of the seed poking plate of the present invention in a discharging state;

FIG. 7 is a schematic view of a counting assembly according to the present invention;

FIG. 8 is an enlarged view of FIG. 2 at B;

FIG. 9 is a side view of the clod of the present invention;

FIG. 10 is a schematic view of the present invention installed in a planting site;

the main reference symbols in the drawings are as follows:

1. a body; 11. a feeding box; 12. a feed inlet; 13. a feeding plate; 131. a discharge passage; 132. a yielding groove; 2. a first motor; 3. pulling the seed plate; 31. a discharge chute; 4. a counting assembly; 41. rotating the block; 42. a limiting plate; 43. a counting sensor; 44. an electric telescopic rod; 5. a soil turning mechanism; 51. a second motor; 52. a first rotating shaft; 53. a soil turning plate; 54. turning over soil blocks; 541. a soil turning groove; 6. a drive wheel; 7. a driven wheel; 8. a soil covering assembly; 81. a support; 82. a second rotating shaft; 83. a soil covering plate; 84. a third motor; 91. planting ridges; 92. a slide rail.

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.

Examples

As shown in fig. 1 to 10, a high-efficiency sowing device for corn seeds comprises a machine body 1 and a plurality of sowing mechanisms which are transversely arranged in the machine body 1 at intervals. Specifically, in this embodiment, sowing mechanism is equipped with three groups, adopts the mode of triplex row seeding to effectively improve seeding efficiency, includes but not limited to three groups simultaneously, can install multiunit sowing mechanism according to actual demand. Be equipped with feeding case 11 on the organism 1, be equipped with feed inlet 12 on the feeding case 11, and the feeding board 13 of setting up towards the organism 1 is installed to feeding case 11 rear end. In order to facilitate the corn seeds in the feeding box 11 to flow without causing bottom sinking, the bottom of the feeding box 11 is obliquely arranged towards the feeding plate 13; simultaneously in order to conveniently dredge the maize seed in the feeding case 11, prevent to cause the jam and unable feeding, the vibration exciter is installed to the bottom of feeding case 11.

As shown in fig. 2 and 3, the sowing mechanism comprises a base, a first motor 2, a seed poking plate 3 and a counting assembly 4, wherein the base is installed in the machine body 1, the first motor 2 is installed on the base, the seed poking plate 3 is rotatably connected to the base and is rotatably connected with the first motor 2 through a belt pulley, a discharging channel 131 communicated with the feeding box 11 is vertically arranged on the feeding plate 13, the discharging channel 131 corresponds to the seed poking plate 3, and a yielding groove 132 is formed in one side, close to the seed poking plate 3, of the discharging channel 131. The width of the discharging channel 131 is equal to the size of the corn seeds, so that the subsequent falling grain number can be accurately controlled. Specifically, as shown in fig. 4, the seed poking plate 3 has a cylindrical structure, and a plurality of discharging grooves 31 are concavely formed in the outer edge of the seed poking plate 3, and the discharging grooves 31 are distributed in a circular array. As shown in fig. 5 and 6, when the seed poking plate 3 rotates, the seed poking plate 3 partially passes through the avoiding groove 132 and abuts against the inner wall of the discharge channel 131. One side of the discharging channel 131 far away from the seed poking plate 3 is provided with a counting assembly 4, and the counting assembly 4 is positioned above the abdicating groove 132. Specifically, as shown in fig. 5, when the discharge chute 31 of the seed poking plate 3 enters the discharge channel 131, the corn seeds begin to fall into the discharge chute 31 through the counting assembly 4, so that the corn seeds are prevented from falling down, and the corn seeds are prevented from being sown at a non-specified sowing interval; when the machine body 1 continues to advance and the seed poking plate 3 continues to rotate, as shown in fig. 6, the discharge chute 31 is perpendicular to the discharge channel 131, so that the corn seeds on the discharge chute 31 fall into the planting field through the outlet at the lower end of the discharge channel 131 to complete the seeding operation.

In this embodiment, as shown in fig. 7, the counting assembly 4 includes a rotating block 41, two limiting plates 42, a counting sensor 43 and an electric telescopic rod 44, the rotating block 41 is rectangular, and both sides of the upper portion and the lower portion of the rotating block 41 are inclined inward to form an olive-shaped structure, the rotating block 41 is rotatably connected to the machine body 1, the two limiting plates 42 are respectively and transversely rotatably connected to the upper portion and the lower portion of the rotating block 41, the counting sensor 43 is mounted on one of the lower limiting plates 42, one side of the rotating block 41 away from the limiting plates 42 is rotatably connected to the electric telescopic rod 44, the discharging channel 131 is provided with two sockets corresponding to the two limiting plates 42, when the electric telescopic rod 44 extends upward, one of the upper limiting plates 42 is inserted into the socket corresponding thereto, one of the lower limiting plates 42 slides out of the socket corresponding thereto, when the electric telescopic rod 44 retracts downward, the upper limiting plate 42 slides out of the corresponding socket, and the lower limiting plate 42 is inserted into the corresponding socket. One side that limiting plate 42 was kept away from to turning block 41 rotates with electric telescopic handle 44 to be connected, and the flexible operation of ingenious utilization electric telescopic handle 44 realizes that the interval of two limiting plates 42 is flexible, accomplishes the fender material and the blanking work of maize seed, guarantees that the seeding is even among the seeding process, improves seeding efficiency. In this embodiment, the count sensor 43 is made of DMS-HA1-V manufactured by HOKUYO of North Yang Japan.

In this embodiment, as shown in fig. 2, fig. 3, fig. 8 and fig. 9, the present invention further includes a soil turning mechanism 5, the soil turning mechanism 5 is located in front of the discharging channel 131, the soil turning mechanism 5 includes a second motor 51, a first rotating shaft 52 and a soil turning assembly, the soil turning assembly is sleeved on the first rotating shaft 52, the first rotating shaft 52 is rotatably connected in the machine body 1, one end of the first rotating shaft 52 is rotatably connected with the second motor 51, and the second motor 51 is fixedly arranged on the outer side wall of the machine body 1. Specifically, the soil turning assembly comprises a soil turning plate 53 and a plurality of soil turning blocks 54, wherein the soil turning plate 53 is of a cylindrical structure, the plurality of soil turning blocks 54 are arranged on the outer edge of the soil turning plate 53 and distributed in a circular array, one end, far away from the soil turning plate 53, of each soil turning block 54 is arranged in an inclined mode, and a soil turning groove 541 is concavely arranged on the front end face of each soil turning block 54. The soil turning assembly can quickly turn over the planting field in a loosening manner, so that the planting effect of the corn seeds is ensured, and a foundation guarantee is provided for the subsequent good growth of the corn seeds; one end of the soil turning block 54, which is far away from the soil turning plate 53, is obliquely arranged to form a tip end, so that the soil turning block is favorably inserted into the planting field to complete the work of loosening and turning the planting field; the digging groove 541 on the front end surface of the digging block 54 enables the planting field to be easily turned up when meeting a hard planting field.

In this embodiment, referring back to fig. 1 to 3, the present invention further includes a driving mechanism, the driving mechanism includes two driving wheels 6 and two driven wheels 7, the two driving wheels 6 are installed at the rear of the bottom of the machine body 1, and the two driven wheels 7 are installed at the front of the bottom of the machine body 1.

In this embodiment, referring back to fig. 1 and fig. 2, the present invention further includes a soil covering mechanism, the soil covering mechanism includes two soil covering assemblies 8 installed at the rear end of the machine body 1 in parallel, each soil covering assembly 8 includes a support 81, a second rotating shaft 82, a plurality of soil covering plates 83 and a third motor 84, the support 81 is installed at the rear end of the machine body 1, the second rotating shaft 82 is rotatably connected in the support 81, one end of the second rotating shaft 82 is rotatably connected with the third motor 84, the third motor 84 is installed on the support 81, and the plurality of soil covering plates 83 are fixedly installed on the second rotating shaft 82 and are distributed in a circular array. Two third motors 84 on two earthing subassembly 8 turn to opposite, all plant the groove direction rotation to the centre for earthing board 83 homoenergetic is turned over in order to push back the earthing work of accomplishing maize seed in planting the inslot with the earth that rolls under the operation of preceding soil turning mechanism 5 planting groove both sides, and the simple operation improves work efficiency.

A high-efficiency corn sowing method comprises the following steps:

A. selecting a planting field: selecting soil which is loose, good in water absorption and permeability and fertile, and adding an organic fertilizer to be uniformly mixed to serve as a planting field;

B. selecting corn seeds: selecting full-grained mature corn seeds without diseases and insect pests, and screening impurities by using a screening machine for later use;

C. track laying: as shown in fig. 10, slide rails 92 for sliding a high-efficiency sowing device for corn seeds are installed on both sides of each planting ridge 91 of the planting field, and the sliding speed of the sowing device is adjusted according to the set planting distance to control the corn seed falling time difference;

D. sowing: the efficient seeding device for the corn seeds is used for seeding operation.

The working principle of the invention is as follows: the invention provides a high-efficiency seeding device for corn seeds, which is used for setting the traveling speed of a driving wheel 6 on a machine body 1, the rotating speed of a first motor 2 on a seeding mechanism and the working condition of a trigger counting assembly 4 according to the required plant spacing so as to control the falling number and the falling time difference of the corn seeds; the electric telescopic rod 44 of the counting assembly 4 is adjusted to be in a contraction state, at the moment, one limiting plate 42 positioned above slides out of a socket corresponding to the limiting plate 42, one limiting plate 42 positioned below is inserted into the socket corresponding to the limiting plate, selected corn seeds are guided into the discharging channel 131 of the feeding plate 13 from the feeding box 11, the counting sensor 43 sets a fixed value according to needs, the corn seeds fall into one limiting plate 42 positioned below, when the counting sensor 43 counts to reach a set value, the electric telescopic rod 44 is controlled to extend upwards, the limiting plate 42 positioned above is inserted into the socket corresponding to the counting sensor, the corn seeds are prevented from continuously falling, one limiting plate 42 positioned below slides out of the socket corresponding to the limiting plate 42 and falls into the discharging groove 31 of the seed poking plate 3, when the seed poking plate 31 continuously rotates, the corn seeds slide out of the discharging groove 31 and fall into soil through a lower outlet of the discharging channel 131, the corn seed sowing work can be finished by repeating the steps. The seed poking plate 3 and the counting assembly 4 on the sowing mechanism are matched for operation, so that the sowing mechanism has the technical characteristics of effectively ensuring uniform sowing, avoiding the occurrence of miss sowing, less sowing or multicast, reducing the complexity of subsequent work and improving the working efficiency.

The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.