CN213343308U - Rice air-suction type precision seeder - Google Patents

Abstract

A rice air-suction type precision seeder comprises a computer controller, a suspension bracket, a frame assembly, a group of support rods, a group of seed box assemblies, a driving assembly and a group of seed discharge pipes; wherein, seed case subassembly includes seed case, driving sprocket one, disc, air exhauster and seed metering doctor-bar, be equipped with a set of seed adsorption hole on the circumference outer wall of disc, air exhauster and the inside intercommunication of disc, the air exhauster can take the disc internal gas out to the air exhauster forms the negative pressure in the disc is inside, the rice seed can adsorb on a set of seed adsorption hole, the one end of seed metering doctor-bar is laminated with the circumference outer wall of disc. The utility model discloses a rice air-suction type precision planter can rotate the in-process at the disc, adsorbs the seed in the seed absorption hole of disc, through control drive assembly's rotational speed, can realize the accurate control volume of sowing, is favorable to accurate calculation volume of using, basic seedling etc. can evenly sow, and the seeding quality is high, is favorable to cultivating the strong seedling of rice.

Description

Rice air-suction type precision seeder

Technical Field

The utility model belongs to the technical field of agricultural machine, specifically, relate to a rice air-suction type precision planter.

Background

The rice is an important grain crop in the world, the rice yield occupies more than 1/4 of the world grain total yield, and occupies more than half of the Chinese grain total yield, so the cultivation area is second to wheat and corn, and the input manpower and material resources are huge.

At present, the accurate cultivation of rice can exert the yield-increasing potential of the variety to the maximum extent through the accurate control of seedling raising, transplanting, fertilizing, watering and field management, and various production resources are utilized most effectively, so that the method is a development direction of the rice cultivation in the future. However, in the precise seedling raising link, several seeds are required to be accurately sown in holes on the seedling raising tray and are difficult to be uniform.

At present, the method for realizing accurate seedling raising mainly comprises the following three steps: firstly, manual dibbling; secondly, the machine sowing device is firstly used for sparse sowing and then the sowing is uniformly picked up manually; thirdly, the seeds of the nutrient material belt are sown after the seed amount and the nutrient base material used in each plate are mixed and stirred evenly according to the proportion. The three existing methods have the following problems that the labor amount is large, the efficiency is low and the requirements of uniform and quick sowing cannot be met through manual or simple mechanical assistance. The common machinery often causes the adhesion between the seeds, leads to the missed seeding, causes the problem that paddy field lacks the seedling. Therefore, in order to improve the quality and efficiency of sowing, a reasonably structured sowing apparatus is required.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a rice air-suction type precision planter has solved present rice seeding and has taken a lot of work and time, inefficiency, and the seeding quality is also not satisfactory, needs an urgent need for an accurate disseminator that is arranged in the accurate seeding sprout cultivation device of rice.

The technical scheme is as follows: the utility model provides a rice air-suction type precision seeder, which comprises a computer controller, a suspension bracket, a frame assembly, a group of support rods, a group of seed box assemblies, a driving assembly and a group of seed tubes, wherein the computer controller, the suspension bracket, the group of seed box assemblies, the driving assembly and the group of seed tubes are all arranged on the frame assembly; wherein, seed case subassembly includes seed case, drive sprocket one, disc, air exhauster and seed metering doctor-bar, the seed case is fixed to be set up on frame assembly, drive sprocket one is connected with drive assembly to drive sprocket one is connected with the disc through the pivot, the disc rotates with seed case and is connected, the disc is cylindrical box-like to be equipped with a set of seed adsorption hole on the circumference outer wall of disc, air exhauster and the inside intercommunication of disc, the air exhauster can take out the disc internal gas to the air exhauster forms the negative pressure in the disc is inside, the rice seed can adsorb on a set of seed adsorption hole, the one end of seed metering doctor-bar laminates with the circumference outer wall of disc, and the seed metering doctor-bar is located the radial cross-section in seed adsorption hole place, seed metering doctor-bar and seed metering pipe intercommunication. The utility model discloses a rice air-suction type precision planter through setting up the air exhauster on rotatable disc, through the negative pressure that the air exhauster formed, can rotate the in-process at the disc, adsorbs the seed in the seed absorption hole of disc, through control drive assembly's rotational speed, can realize the accurate control seeding volume, is favorable to accurate calculation volume of using, basic seedling etc. can evenly sow, and the seeding quality is high, is favorable to cultivating strong seedling of rice.

Further, in the rice air-aspiration type precision planter, the group of seed adsorption holes are arranged in an annular array mode by taking the center of the disc as the center of circle.

Further, foretell rice air-suction type precision planter, be equipped with vertical baffle on the vertical lateral wall in the seed box, be equipped with the clearance between the bottom surface of vertical baffle and seed box, vertical baffle divides the inner chamber of seed box into the seed and holds cavity and seed metering cavity, the seed holds cavity and seed metering cavity and passes through the clearance intercommunication, the disc is located the seed metering cavity, the one end of seed metering doctor-bar stretches into in the seed metering cavity, the tip that the seed metering doctor-bar is located the seed metering cavity is laminated with the circumference outer wall of disc, the tip and the seed metering pipe intercommunication that the seed metering doctor-bar stretches out the seed metering cavity. The baffle that sets up can make the seed hold the cavity and transfer in to the seed metering cavity gradually for the seed remains the seed metering cavity bottom all the time, avoids the seed to cross and causes the disc jamming.

Further, foretell rice air-suction type precision planter, the tip that the seed metering doctor-bar is located the seed metering cavity is the arc setting, the radian of seed metering doctor-bar arc tip is the same with the radian of the outer circumference of disc. The arc structure that sets up is laminated well with the disc surface, is convenient for scrape the seed on disc surface off.

Further, in the rice air-aspiration type precision planter, the diameter of the seed adsorption hole is smaller than that of the rice seed. The arrangement of the size can prevent seeds from entering the disc, thereby ensuring that the seed metering scraper can smoothly scrape the seeds off.

Further, foretell rice air-suction type precision planter, drive assembly includes driving motor, drive sprocket two, drive chain one, drive sprocket three, a set of drive sprocket four, a set of drive chain two and transmission pivot, driving motor is fixed to be set up on the frame assembly to driving motor's pivot and drive sprocket two are connected, drive sprocket two are connected with drive sprocket three through drive chain one, drive sprocket three and a set of drive sprocket four all are connected with the drive pivot through the key, the drive pivot passes through the bearing setting on the frame assembly, a set of drive sprocket four, a set of drive chain two and a set of seed case subassembly one-to-one setting of drive sprocket to drive sprocket four and drive sprocket one are connected through drive chain two. Through driving motor and transmission structure, can drive a set of disc rotation in step to sow in step.

Furthermore, in the rice air-suction precision planter, the number of the group of support rods is 4, and the group of support rods is positioned at four corners of the rectangular frame of the frame assembly.

Furthermore, according to the rice air-suction type precision seeder, the group of seed discharging pipes are arranged in the vertical direction.

Furthermore, the seed metering scraping pieces of the rice air-suction type precision seeder are arranged in a circular tube shape.

Furthermore, the upper end opening of the seed metering scraping blade is obliquely arranged towards the upper side or vertically arranged upwards. The opening of the circular tube-shaped seed metering scraping blade faces the direction, so that the scraped seeds can smoothly fall into the seed metering scraping blade and reach the seed metering pipe.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: rice air-suction type precision planter, air-suction type precision planter mainly used hybrid rice seeding area, seeding hybrid rice is very high to precision seeding technical requirement. Mainly, the price of the hybrid rice seeds is very expensive, and each kilogram of seeds is about 80-100 yuan. The seeding amount per mu is required to be about 1-1.5 kg, and if the seeding amount per mu exceeds the standard, seeds are wasted, the production cost is increased, and the income is influenced. The air-aspiration type precision seeding technology can achieve hole seeding, and the seed quantity of each hole seeding is 1-2. The average seeding amount per hole is about 1.5 grains. The technology meets the technical requirements of seeding of hybrid rice varieties. Because the hybrid rice variety has more leaves and large number of seedlings, if the seeding amount of each hole exceeds the technical requirement standard, the seeding quality and the yield increase are influenced. The air-suction seeder technology solves the problem of mechanically planting and seeding hybrid rice.

Drawings

FIG. 1 is a front view of the rice air-aspiration type precision seeder of the present invention;

FIG. 2 is a top view of the rice air-aspiration type precision seeder of the present invention;

FIG. 3 is a right side view of the rice air-aspiration type precision seeder of the present invention;

FIG. 4 is a schematic view of a seed box assembly according to the present invention;

fig. 5 is a schematic structural diagram of the disc of the present invention.

In the figure: the seed sowing device comprises a computer controller 1, a suspension bracket 2, a frame assembly 3, a support rod 4, a seed box component 5, a seed box 51, a first transmission chain wheel 52, a disc 53, an exhaust fan 54, a seed sowing scraper 55, a seed adsorption hole 56, a vertical partition 57, a seed accommodating cavity 58, a seed sowing cavity 59, a gap 510, a driving component 6, a driving motor 61, a second transmission chain wheel 62, a first transmission chain 63, a third transmission chain wheel 64, a fourth transmission chain wheel 65, a second transmission chain wheel 66, a transmission rotating shaft 67 and a seed sowing pipe 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example one

The rice air-suction type precision seeder shown in fig. 1-3 comprises a computer controller 1, a suspension bracket 2, a frame assembly 3, a group of support rods 4, a group of seed box assemblies 5, a driving assembly 6 and a group of seed discharge pipes 7, wherein the computer controller 1, the suspension bracket 2, the group of seed box assemblies 5, the driving assembly 6 and the group of seed discharge pipes 7 are all arranged on the frame assembly 3, the upper end parts of the group of support rods 4 are fixedly connected with the frame assembly 3, the driving assembly 6 is connected with the group of seed box assemblies 5, the group of seed box assemblies 5 and the group of seed discharge pipes 7 are arranged in a one-to-one correspondence manner, and the seed box assemblies 5 are communicated with the seed discharge pipes 7; wherein, the seed box assembly 5 shown in fig. 4 and 5 comprises a seed box 51, a first transmission chain wheel 52, a disc 53, an exhaust fan 54 and a seed metering scraping blade 55, the seed box 51 is fixedly arranged on the frame assembly 3, the first transmission chain wheel 52 is connected with the driving assembly 6, the first transmission chain wheel 52 is connected with the disc 53 through a rotating shaft, the disc 53 is rotatably connected with the seed box 51, the disc 53 is cylindrical box-shaped, a group of seed adsorption holes 56 are arranged on the circumferential outer wall of the disc 53, the diameter of the seed adsorption holes 56 is smaller than that of rice seeds, the exhaust fan 54 is communicated with the inside of the disc 53, the exhaust fan 54 can extract gas in the disc 53, the exhaust fan 54 forms negative pressure in the disc 53, the rice seeds can be adsorbed on the group of seed adsorption holes 56, one end of the seed metering scraping blade 55 is attached to the circumferential outer wall of the disc 53, and the seed metering scraping blade 55 is positioned on the radial section of the seed adsorption hole 56, and the seed metering scraping blade 55 is communicated with the seed metering pipe 7. And, the set of seed adsorption holes 56 are arranged in a circular array with the center of the disc 53 as the center.

In addition, a vertical partition 57 is arranged on a vertical side wall in the seed box 51, a gap 510 is arranged between the vertical partition 57 and the bottom surface of the seed box 51, the vertical partition 57 divides an inner cavity of the seed box 51 into a seed accommodating cavity 58 and a seed discharging cavity 59, the seed accommodating cavity 58 is communicated with the seed discharging cavity 59 through the gap 510, the disc 53 is positioned in the seed discharging cavity 59, one end of the seed discharging scraping blade 55 extends into the seed discharging cavity 59, the end part of the seed discharging scraping blade 55 positioned in the seed discharging cavity 59 is attached to the circumferential outer wall of the disc 53, and the end part of the seed discharging blade 55 extending out of the seed discharging cavity 59 is communicated with the seed discharging pipe 7. The end part of the seed metering scraping blade 55 positioned in the seed metering cavity 59 is arc-shaped, and the radian of the arc-shaped end part of the seed metering scraping blade 55 is the same as that of the outer circumference of the disc 53.

In addition, the number of the set of support rods 4 is 4, and the set of support rods 4 is located at four corners of the rectangular frame of the frame assembly 3. The group of seed tubes 7 is arranged along the vertical direction. The seed metering scraping blades 55 are arranged in a circular tube shape. The upper end opening of the seed metering scraping blade 55 is obliquely arranged towards the upper part or vertically arranged upwards.

Example two

Based on a structure of the embodiment, the driving assembly 6 shown in fig. 1 and 3 includes a driving motor 61, a second driving sprocket 62, a first driving chain 63, a third driving sprocket 64, a fourth driving sprocket 65, a second driving chain 66 and a driving shaft 67, the driving motor 61 is fixedly disposed on the frame assembly 3, and the rotating shaft of the driving motor 61 is connected with a second driving chain wheel 62, the second driving chain wheel 62 is connected with a third driving chain wheel 64 through a first driving chain 63, the third driving chain wheel 64 and the fourth driving chain wheel 65 are connected with a driving rotating shaft 67 through keys, the transmission rotating shaft 67 is arranged on the frame assembly 3 through a bearing, the group of transmission chain wheels four 65, the group of transmission chain wheels two 66 and the group of transmission chain wheels one 52 of the seed box component 5 are arranged in a one-to-one correspondence manner, and the transmission chain wheels four 65 and the transmission chain wheels one 52 are connected through the transmission chain wheels two 66.

The utility model discloses a rice air-suction type precision planter's theory of operation does:

the exhaust fan 54 exhausts the air in the disc 53, so as to form a negative pressure in the disc 53, the driving motor 61 drives the transmission structure of the transmission chain wheel and the transmission chain, so that the transmission chain wheel one 52 rotates, and further the disc 53 rotates, because the group of seed adsorption holes 56 on the disc 53 are in a negative pressure state, rice seeds can be adsorbed at the group of seed adsorption holes 56 in the rotation process of the disc 53, because the diameter of the rice seeds is larger than the aperture of the seed adsorption holes 56, the rice seeds cannot enter the disc 53, when the seed adsorption holes 56 adsorbing the rice seeds rotate to the position of the seed metering scraper 55, the rice seeds are scraped off by the scraper 55, and the rice seeds enter the seed metering pipe 7 along the scraper 55 for seed metering.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (10)

1. A rice air-suction type precision seeder is characterized in that: the seed box assembly comprises a computer controller (1), a suspension bracket (2), a frame assembly (3), a group of support rods (4), a group of seed box assemblies (5), a driving assembly (6) and a group of seed discharging pipes (7), wherein the computer controller (1), the suspension bracket (2), the group of seed box assemblies (5), the driving assembly (6) and the group of seed discharging pipes (7) are all arranged on the frame assembly (3), the upper end parts of the group of support rods (4) are fixedly connected with the frame assembly (3), the driving assembly (6) is connected with the group of seed box assemblies (5), the group of seed box assemblies (5) and the group of seed discharging pipes (7) are arranged in a one-to-one correspondence manner, and the seed box assemblies (5) are communicated with the seed discharging pipes (7);

wherein, seed case subassembly (5) are including seed case (51), drive sprocket (52), disc (53), air exhauster (54) and seed metering doctor-bar (55), seed case (51) are fixed to be set up on frame assembly (3), drive sprocket (52) and drive assembly (6) are connected to drive sprocket (52) are connected through pivot and disc (53), disc (53) and seed case (51) rotate to be connected, disc (53) are cylindrical boxlike, and be equipped with a set of seed adsorption hole (56) on the circumference outer wall of disc (53), air exhauster (54) and disc (53) inside intercommunication, air exhauster (54) can take out the gas in disc (53) to air exhauster (54) form the negative pressure in disc (53) inside, the rice seed can adsorb on a set of seed adsorption hole (56), one end of the seed metering scraping blade (55) is attached to the circumferential outer wall of the disc (53), the seed metering scraping blade (55) is positioned on the radial section of the seed adsorption hole (56), and the seed metering scraping blade (55) is communicated with the seed metering pipe (7).

2. The rice air-aspiration precision seeder according to claim 1, characterized in that: the group of seed adsorption holes (56) are arranged in an annular array mode by taking the center of the disc (53) as the center of a circle.

3. The rice air-aspiration precision seeder according to claim 1, characterized in that: be equipped with vertical baffle (57) on the vertical lateral wall in seed case (51), be equipped with clearance (510) between the bottom surface of vertical baffle (57) and seed case (51), cavity (58) and seed metering cavity (59) are held to the seed is divided into with the inner chamber of seed case (51) in vertical baffle (57), the seed holds cavity (58) and seed metering cavity (59) and communicates through clearance (510), disc (53) are located seed metering cavity (59), the one end of seed metering doctor-bar (55) stretches into in seed metering cavity (59), tip that seed metering doctor-bar (55) are located seed metering cavity (59) and the circumference outer wall laminating of disc (53), the tip that seed metering doctor-bar (55) stretches out seed metering cavity (59) communicates with seed metering pipe (7).

4. The rice air-aspiration precision seeder of claim 3, characterized in that: the end part of the seed metering scraping blade (55) positioned in the seed metering cavity (59) is arranged in an arc shape, and the radian of the arc-shaped end part of the seed metering scraping blade (55) is the same as that of the outer circumference of the disc (53).

5. The rice air-aspiration precision seeder according to claim 1, characterized in that: the diameter of the seed adsorption hole (56) is smaller than that of the rice seed.

6. The rice air-aspiration precision seeder according to claim 1, characterized in that: the driving assembly (6) comprises a driving motor (61), a transmission chain wheel II (62), a transmission chain I (63), a transmission chain wheel III (64), a group of transmission chain wheel IV (65), a group of transmission chain wheel II (66) and a transmission rotating shaft (67), the driving motor (61) is fixedly arranged on the frame assembly (3), the rotating shaft of the driving motor (61) is connected with the transmission chain wheel II (62), the transmission chain wheel II (62) is connected with the transmission chain wheel III (64) through the transmission chain wheel I (63), the transmission chain wheel III (64) and the group of transmission chain wheel IV (65) are connected with the transmission rotating shaft (67) through keys, the transmission rotating shaft (67) is arranged on the frame assembly (3) through a bearing, the group of transmission chain wheel IV (65), the group of transmission chain wheel II (66) and the transmission chain wheel I (52) of the group of seed box assemblies (5) are arranged in a one-to-one correspondence manner, and the driving chain wheel four (65) is connected with the driving chain wheel one (52) through a driving chain two (66).

7. The rice air-aspiration precision seeder according to claim 1, characterized in that: the number of the group of support rods (4) is 4, and the group of support rods (4) are positioned on four corners of the rectangular frame of the frame assembly (3).

8. The rice air-aspiration precision seeder according to claim 1, characterized in that: the group of seed discharging pipes (7) are arranged along the vertical direction.

9. The rice air-aspiration precision seeder according to claim 1, characterized in that: the seed metering scraping blade (55) is arranged in a circular tube shape.

10. The rice air-aspiration precision seeder of claim 9, characterized in that: the upper end opening of the seed metering scraping blade (55) is obliquely arranged towards the upper side or vertically arranged upwards.

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