CN112889414A

CN112889414A - Agricultural seeding device

Info

Publication number: CN112889414A
Application number: CN202110047016.8A
Authority: CN
Inventors: 徐昌省
Original assignee: Individual
Current assignee: Rizhao Xiaoxin Farm Implements Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-06-04
Anticipated expiration: 2041-01-14
Also published as: CN112889414B

Abstract

The invention discloses an agricultural seeding device which comprises a device body, wherein a seed cavity and a fertilizer cavity are formed inside and outside the device body, the seed cavity is of a circular funnel structure, the fertilizer cavity is of an annular funnel structure, the axes of the seed cavity and the fertilizer cavity are coincident, the upper end of the device body is fixedly connected with a first gear through a fixing ring, the axis of the first gear is rotatably connected with a first rotating rod through a bearing, the lower end of the first rotating rod penetrates through the upper end of the device body, extends into the seed cavity and is fixedly connected with a scraping rod, the inner peripheral wall of the seed cavity is fixedly connected with a seed filter screen in contact with the scraping rod, the inner top wall of the fertilizer cavity is provided with an annular slide way, and a second rotating rod is vertically inserted into the annular slide way. Has the advantages that: the invention has the advantages of uniform seeding and synchronous seeding and fertilizing, can perform fertilizer application according to the seeding point, and has the functions of crushing fertilizer plate knots and intercepting sundries in seeds.

Description

Agricultural seeding device

Technical Field

The invention relates to the technical field of agricultural seeding, in particular to an agricultural seeding device.

Background

Sowing is one of crop cultivation measures. The seeding material is timely sowed into a soil layer with a certain depth according to a certain quantity and mode. Whether sowing is proper or not directly influences the growth and the yield of crops. In order to improve the seeding quality, seed treatment, preparation for labor, animal power, seeding machines and the like are required in addition to fine soil preparation before seeding.

The crop species are various, and the seeding crop is generally applied to the seeding machine in the prior art, taking corn as an example, the following problems exist when the corn is seeded:

1. the sowing intervals of the corns are uneven, seedling supplement or seedling pulling is needed after seedling formation in the later period, the labor amount is increased, and the harvesting period of the corns in the whole field is influenced;

2. the corn is usually fertilized in a 'one shot' mode after being sowed, wherein the 'one shot' mode refers to that enough slow release fertilizer or formula fertilizer is applied during sowing, then the fertilizer is not applied in the whole growth period of the corn, the growth of the corn is satisfied by the fertilizer release effect of the slow release fertilizer, the fertilizing mode is generally performed after the sowing, the fertilizing mode cannot be performed synchronously with the sowing, and the fertilizer cannot be applied according to the sowing point, so that the fertilizer waste is caused;

3. the fertilizer may be hardened, and needs to be broken off and crushed manually, which affects the fertilizing progress, and the seeder cannot screen out the impurities (including clods, sand grains, special crop seeds, weed seeds, galls, husk and the like) in the seeds, and there may be a subsequent situation that affects the normal growth of the seeds.

To solve the above problems, we propose an agricultural seeding device.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides an agricultural seeding device.

In order to achieve the purpose, the invention adopts the following technical scheme: an agricultural seeding device comprises a device body, wherein a seed cavity and a fertilizer cavity are arranged inside and outside the device body, the seed cavity is of a circular funnel structure, the fertilizer cavity is of an annular funnel structure, the axes of the seed cavity and the device body coincide, a first gear is fixedly connected to the upper end of the device body through a fixing ring, a first rotating rod is rotatably connected to the axis of the first gear through a bearing, the lower end of the first rotating rod penetrates through the upper end of the device body, extends into the seed cavity and is fixedly connected with a scraping rod, a seed filter screen in contact with the scraping rod is fixedly connected to the inner peripheral wall of the seed cavity, an annular slide way is arranged on the inner top wall of the fertilizer cavity, a second rotating rod is vertically inserted into the annular slide way, a clamping plate is rotatably connected to the upper side and the lower side of the annular slide way through a bearing, and a first motor is connected to the upper end of the second, the output end of the first motor is fixedly connected with the upper end of the second rotating rod, a second gear meshed with the first gear is coaxially and fixedly sleeved on the second rotating rod, the second rotating rod is in transmission connection with the first rotating rod, the inner peripheral wall of the fertilizer cavity is fixedly connected with a fertilizer filter screen, the inner peripheral wall of the fertilizer cavity is fixedly connected with a plurality of fixed teeth at equal intervals from top to bottom, the second rotating rod is symmetrically and fixedly connected with a plurality of rotating teeth from top to bottom, and the fixed teeth and the rotating teeth are distributed in a staggered manner; the fertilizer feeding device is characterized in that a seed flow channel communicated with the outside is vertically arranged at the inner bottom end of the seed cavity, a plurality of inclined channels are uniformly arranged on the inner bottom wall of the fertilizer cavity towards the direction of the seed flow channel, a fertilizer flow channel communicated with the outside is vertically arranged at the lower end of each inclined channel, a slide way is arranged on the inner peripheral wall of each fertilizer flow channel, the inner wall of one side of each slide way, away from the seed flow channel, is fixedly connected with a blocking plate in a sliding connection through a spring, a fertilizer outlet hole communicated with the fertilizer flow channel is formed in the blocking plate, a first rotating cavity communicated with the plurality of slide ways is formed in the device body, one end, located in the first rotating cavity, of the blocking plate is fixedly connected with a sliding plate in a sliding connection with the blocking plate, the upper inner wall and the lower inner wall of the first rotating cavity are rotatably connected with a third rotating rod through the circle center of the seed flow, the interior roof in first rotation chamber rotates through flat bearing and is connected with the fifth gear, and the outer lane and a plurality of third gear engagement of fifth gear, the second rotation chamber that communicates with the seed runner is seted up to the device body in the below in first rotation chamber, the second rotates the interior diapire in chamber and inlays and be equipped with the second motor, the output fixedly connected with fourth dwang of second motor, the upper end of fourth dwang runs through first rotation chamber and second and rotates the interior roof rotation connection in chamber between intermediate layer and the first rotation chamber, coaxial fixed the fourth gear who cup joints with fifth gear inner circle meshing on the fourth dwang, the carousel has been cup jointed to the part coaxial fixed of fourth dwang in the second rotation chamber, evenly set up a plurality ofly on the carousel and seed runner shape size the same seed and bore.

In the agricultural seeding device, the balls are embedded in the opposite sides of the two clamping plates, and the clamping plates are in rolling connection with the device body through the balls.

In foretell agricultural seeder, first dwang and second dwang are all coaxial fixed the cover in the corresponding position and are connected with the band pulley, two the common tensioning of band pulley has cup jointed the hold-in range.

In the agricultural seeding device, the distance between the fertilizer flow channel and the seed flow channel is 7-10 cm.

In the agricultural seeding device, the fertilizer flow channel is of a flat horn-shaped structure.

In the agricultural seeding device, a group of running wheels 2 are symmetrically arranged on two sides of the device body.

Compared with the prior art, the agricultural seeding device has the advantages that:

1. the first motor drives the second rotating rod through driving the second gear, the second gear is meshed with the first gear to drive the rotating teeth to rotate while moving in an annular mode, hardened fertilizer in the fertilizer cavity can be crushed, and in addition, the second rotating rod drives the first rotating rod and the scraping rod connected with the first rotating rod to rotate through belt transmission, so that sundries are prevented from blocking the seed filter screen;

2. the arrangement of the seed filter screen can avoid the situation that sundries are directly sowed in a field along with seeds to influence the normal growth of the seeds, and the arrangement of the fertilizer filter screen can avoid the blockage of a fertilizer plate body above a chute;

3. the second motor drives the fourth rotating rods to intermittently and stepwise rotate, the fourth rotating rods drive the rotating disc to rotate, and the fourth gear, the fifth gear and the third gear which are sequentially meshed inside and outside drive the plurality of third rotating rods and the cams connected with the third rotating rods to rotate, so that the seed flow channel is synchronously or non-communicated with the seed outlet hole and the fertilizer flow channel is synchronously communicated with the fertilizer outlet hole, the sowing and the fertilizing are synchronously carried out, and the efficiency is improved;

4. when single sowing and fertilization are carried out, the fertilizer can be applied in a circle mode by taking the seeds as the center in the field, so that the fertilizer is applied in a one-gun mode aiming at the sowing points, and the condition of seedling burning caused by too close distance between the fertilizer and the seeds is avoided;

5. the invention has the advantages of uniform seeding and synchronous seeding and fertilizing, can perform fertilizer application according to the seeding point, and has the functions of crushing fertilizer plate knots and intercepting sundries in seeds.

Drawings

FIG. 1 is a schematic structural view of the front side of an agricultural seeding device according to the present invention;

FIG. 2 is a front sectional view of an agricultural seeding apparatus according to the present invention;

FIG. 3 is a partially enlarged schematic view of FIG. 2;

FIG. 4 is a cross-sectional view of the structure taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view of the structure taken along line B-B of FIG. 3;

FIG. 6 is a schematic top view of an agricultural seeding apparatus according to the present invention;

FIG. 7 is a schematic view of the side of the connection between the chute and the fertilizer channel of the agricultural seeding device according to the present invention.

In the figure: 1 device body, 11 seed cavities, 111 seed runners, 112 seed filters, 12 fertilizer cavities, 121 annular slideways, 122 chutes, 123 fertilizer runners, 124 fertilizer filters, 125 slideways, 13 first rotating cavities, 2 traveling wheels, 31 fixed rings, 32 first gears, 33 first rotating rods, 331 scraping rods, 34 second rotating rods, 341 first motors, 342 second gears, 343 clamping plates, 344 fixed teeth, 345 rotating teeth, 35 belt wheels, 36 synchronous belts, 41 blocking plates, 411 fertilizer outlets, 42 springs, 43 sliding plates, 44 third rotating rods, 441 third gears, 442 cams, 45 fourth rotating rods, 451 fourth gears, 452 second motors, 453 rotating disks, 4531 seed outlets, 46 fifth gears, 461 plane bearings.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-7, an agricultural seeding device comprises a device body 1, a seed cavity 11 and a fertilizer cavity 12 are arranged inside and outside the device body 1, the seed cavity 11 is of a circular funnel structure, the fertilizer cavity 12 is of an annular funnel structure, the funnel structure is convenient for discharging, the axes of the seed cavity 11 and the device body 1 are coincident, the upper end of the device body 1 is fixedly connected with a first gear 32 through a fixing ring 31, the axis of the first gear 32 is rotatably connected with a first rotating rod 33 through a bearing, the lower end of the first rotating rod 33 penetrates through the upper end of the device body 1, extends into the seed cavity 11 and is fixedly connected with a scraping rod 331, the inner peripheral wall of the seed cavity 11 is fixedly connected with a seed filter screen 112 contacting with the scraping rod 331, the inner top wall of the fertilizer cavity 12 is provided with an annular slide way 121, a second rotating rod 34 is vertically inserted into the annular slide way 121, the second rotating rod 34 is rotatably connected with a clamping plate, the upper end of the second rotating rod 34 is connected with a first motor 341, the output end of the first motor 341 is fixedly connected with the upper end of the second rotating rod 34, the second rotating rod 34 is coaxially and fixedly sleeved with a second gear 342 meshed with the first gear 32, the second rotating rod 34 is in transmission connection with the first rotating rod 33, the inner peripheral wall of the fertilizer cavity 12 is fixedly connected with a fertilizer filter screen 124, the inner peripheral wall of the fertilizer cavity 12 is fixedly connected with a plurality of fixed teeth 344 at equal intervals from top to bottom, the second rotating rod 34 is symmetrically and fixedly connected with a plurality of rotating teeth 345 from top to bottom, the plurality of fixed teeth 344 and the plurality of rotating teeth 345 are distributed in a staggered manner, and the rotating teeth 345 and the fixed teeth 344 which are distributed in a staggered manner can crush the plate-bonded fertilizer;

the inner bottom end of the seed cavity 11 is vertically provided with a seed flow channel 111 communicated with the outside, the inner bottom wall of the fertilizer cavity 12 is uniformly provided with a plurality of inclined chutes 122 towards the direction of the seed flow channel 111, the inclined chutes 122 are arranged for shortening the distance between the fertilizer flow channel 123 and the seed flow channel 111, the lower end of each inclined chute 122 is vertically provided with a fertilizer flow channel 123 communicated with the outside, the inner peripheral wall of each fertilizer flow channel 123 is provided with a slideway 125, the inner wall of one side of the slideway 125 far away from the seed flow channel 111 is fixedly connected with a blocking plate 41 in a sliding connection with the slideway through a spring 42, the blocking plate 41 is provided with a fertilizer outlet 411 communicated with the fertilizer flow channel 123, the device body 1 is internally provided with a first rotating cavity 13 communicated with the plurality of slideways 125, one end of the blocking plate 41 located in the first rotating cavity 13 is fixedly connected with a sliding plate 43 in a sliding connection with the first rotating cavity, the upper and lower inner walls of the first rotating cavity 13 are, the third rotating rod 44 is fixedly sleeved with a third gear 441 and a cam 442 from top to bottom in sequence, the inner top wall of the first rotating cavity 13 is rotatably connected with a fifth gear 46 through a plane bearing 461, the fifth gear 46 is formed by splicing an inner gear ring and an outer gear ring, the outer ring of the fifth gear 46 is meshed with a plurality of third gears 441, the device body 1 is provided with a second rotating cavity communicated with the seed flow channel 111 below the first rotating cavity 13, the inner bottom wall of the second rotating cavity is embedded with a second motor 452, the output end of the second motor 452 is fixedly connected with a fourth rotating rod 45, the upper end of the fourth rotating rod 45 penetrates through the interlayer between the first rotating cavity 13 and the second rotating cavity and is rotatably connected with the inner top wall of the first rotating cavity 13, the fourth rotating rod 45 is coaxially and fixedly sleeved with a fourth gear 451 meshed with the inner ring of the fifth gear 46, and the part of the fourth rotating rod 45 in the second rotating cavity is coaxially and fixedly sleeved with a rotating disc 453, the turntable 453 is uniformly provided with a plurality of seed outlet holes 4531 having the same shape and size as the seed flow passage 111, and the distance between every two adjacent seed outlet holes 4531 is greater than the inner diameter of the seed outlet holes 4531, so that the turntable 453 blocks the seed outlet holes 4531.

The device body 1 is provided with a feeding window for adding seeds and fertilizer at the back side and at the corresponding positions of the seed cavity 11 and the fertilizer cavity 12, and can be cleaned through the feeding window.

The opposite sides of the two clamping plates 343 are embedded with balls, the clamping plates 343 are in rolling connection with the device body 1 through the balls, the second rotating rods 34 are limited in the annular slide rails 121, the friction force between the clamping plates 343 and the device body 1 is reduced, and the mechanical efficiency is improved.

First dwang 33 and second dwang 34 are all coaxial fixed the cover in corresponding position and have been connect band pulley 35, and the common tensioning of two band pulleys 35 has cup jointed hold-in range 36, and second dwang 34 transmits the torque for second dwang 34 through belt drive, under the condition that does not add the power supply in addition, realizes scraping the rotation of pole 331, practices thrift equipment cost.

The distance between the fertilizer flow channel 123 and the seed flow channel 111 is 7-10cm, so that bud burning and seedling burning caused by direct contact of seeds and fertilizers are avoided, the distance is a corn crop for example, and other crops can be specifically set according to actual needs.

The fertilizer flow channel 123 is of a flat horn-shaped structure, so that the falling range of the fertilizer is enlarged, and a fertilizer ring is formed around the seeds.

A group of running wheels 2 are symmetrically arranged on two sides of the device body 1, so that the device can conveniently run on a field.

In the present invention, the first motor 341 is a low speed motor, the second motor 452 is a step motor, the step angle of the second motor 452 is equal to 360 °/twice the number of the seed outlet holes 4531, the first motor 341 and the second motor 452 are electrically connected to a controller, the controller controls the opening and closing of the first motor 341 and the second motor 452 and the single opening and closing interval time of the second motor 452, and the interval time can be set according to the specific crop planting interval and the driving speed of the device body 1.

The invention can be connected with an external tractor so as to determine the advancing direction, and in the seeding process: the first motor 341 drives the second rotating rod 34 to rotate, on one hand, the second rotating rod 34 and the rotating teeth 345 are meshed with the first gear 32 through the second gear 342 to continuously and annularly move in the fertilizer cavity 12 along the annular slide rail 121, the rotating teeth 345 synchronously and circumferentially rotate along with the second rotating rod 34, and the hardened fertilizer in the fertilizer cavity 12 can be crushed due to the staggered arrangement of the fixed teeth 344 and the rotating teeth 345; on the other hand, the distance between the second rotating rod 34 and the first rotating rod 33 is not changed in the process of annular movement, the second rotating rod 34 rotating at a low speed can drive the first rotating rod 33 and the scraping rod 331 connected with the first rotating rod to clean impurities on the seed filter screen 112 through belt transmission, so as to avoid blockage, and the fertilizer filter screen 124 can avoid the blockage of a hardened body above the chute 122.

When sowing, the spring 42 is in a free state, the fertilizer outlet hole 441 on the blocking plate 41 is communicated with the fertilizer runner 123, the sliding plate 43 is contacted with the outer surface of the cam 442 at the most proximal end of the axis of the third rotating rod 43, and the seed outlet hole 4531 on the turntable 453 is communicated with the seed runner 111; when walking, the second motor 452 drives the fourth rotating rod 45 and drives the rotating disc 453 to rotate by a step angle, so that the rotating disc 453 blocks the seed flow channel 111, meanwhile, the fourth rotating rod 45 drives the third rotating rods 44 to rotate for a half cycle through the fourth gear 451, the fifth gear 46 and the third gears 441 which are sequentially meshed inside and outside, so that the sliding plate 43 is abutted against the outer surface of the cam 442 at the farthest end of the axis of the third rotating rod 43, the spring 42 is compressed, and the blocking plate 41 blocks the fertilizer flow channel 411.

It should be noted that: when the second motor 452/fourth gear 451 rotates by a pitch angle, the third gear 441 rotates by half a revolution, so that the diameter (module) of the fourth gear 451 is set larger than the diameter (module) of the third gear 441 to accommodate this operation; the distance between the fertilizer flow channel 123 and the seed flow channel 111 is 7-10cm, and the side surface of the fertilizer flow channel 123 is in a flat horn-shaped structure, so that when single sowing and fertilization are carried out, the fertilizer can be applied in a circle mode by taking the seeds as the center in a field, so that the fertilizer can be applied in a one-shot mode aiming at sowing points, and meanwhile, the seedling burning condition caused by too close distance between the fertilizer and the seeds is avoided; the first motor 341 is powered by slip rings instead of directly using wires to connect to a power source to accommodate circular rotation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The agricultural seeding device comprises a device body (1) and is characterized in that a seed cavity (11) and a fertilizer cavity (12) are arranged inside and outside the device body (1), the seed cavity (11) is of a circular funnel structure, the fertilizer cavity (12) is of an annular funnel structure, the axes of the seed cavity (11) and the device body (1) are overlapped, the upper end of the device body (1) is fixedly connected with a first gear (32) through a fixing ring (31), the axis of the first gear (32) is rotatably connected with a first rotating rod (33) through a bearing, the lower end of the first rotating rod (33) penetrates through the upper end of the device body (1), extends into the seed cavity (11) and is fixedly connected with a scraping rod (331), the inner peripheral wall of the seed cavity (11) is fixedly connected with a seed filter screen (112) in contact with the scraping rod (331), and the inner top wall of the fertilizer cavity (12) is provided with an annular slide way (121), the inner wall of the fertilizer cavity (12) is fixedly connected with a fertilizer filter screen (124), the inner wall of the fertilizer cavity (12) is fixedly connected with a plurality of fixed teeth (344) which are fixedly connected with a plurality of equal intervals from top to bottom, the second rotating rod (34) is connected with a plurality of rotating teeth (345) which are fixedly connected with a plurality of rotating teeth from top to bottom, and the plurality of fixed teeth (344) are distributed in a staggered way with the plurality of rotating teeth (345);

a seed flow channel (111) communicated with the outside is vertically arranged at the inner bottom end of the seed cavity (11), a plurality of inclined channels (122) are uniformly arranged on the inner bottom wall of the fertilizer cavity (12) towards the direction of the seed flow channel (111), a fertilizer flow channel (123) communicated with the outside is vertically arranged at the lower end of each inclined channel (122), a slide way (125) is arranged on the inner peripheral wall of each fertilizer flow channel (123), the inner wall of one side, far away from the seed flow channel (111), of each slide way (125) is fixedly connected with a blocking plate (41) in sliding connection with the slide way through a spring (42), a fertilizer outlet hole (411) communicated with the fertilizer flow channel (123) is arranged on each blocking plate (41), a first rotating cavity (13) communicated with the plurality of slide ways (125) is arranged in the device body (1), and a sliding plate (43) in sliding connection with the blocking plate is fixedly connected to one end, located at the first rotating cavity (13), first upper and lower inner wall of rotating chamber (13) is connected with third dwang (44) with the centre of a circle of seed runner (111) and rotate at the corresponding position of fertilizer runner (123), third dwang (44) are from last to having cup jointed third gear (441) and cam (442) down fixedly in proper order, the interior roof of first rotating chamber (13) rotates through plane bearing (461) and is connected with fifth gear (46), and the outer lane and a plurality of third gear (441) meshing of fifth gear (46), device body (1) is seted up the second that communicates with seed runner (111) in the below of first rotating chamber (13) and is rotated the chamber, the second rotates the interior diapire in chamber and is inlayed and is equipped with second motor (452), the output fixedly connected with fourth dwang (45) of second motor (452), the upper end of fourth dwang (45) runs through first rotating chamber (13) and second and rotates between the chamber and rotates even intermediate layer (13) with the interior roof of first rotating chamber (13) and rotate even roof rotation And then, a fourth gear (451) meshed with the inner ring of the fifth gear (46) is coaxially and fixedly sleeved on the fourth rotating rod (45), a turntable (453) is coaxially and fixedly sleeved on the part of the fourth rotating rod (45) in the second rotating cavity, and a plurality of seed outlet holes (4531) with the same shape and size as the seed flow channel (111) are uniformly formed in the turntable (453).

2. An agricultural sowing apparatus according to claim 1, wherein balls are embedded on opposite sides of the two clamping plates (343), and the clamping plates (343) are in rolling connection with the apparatus body (1) through the balls.

3. An agricultural seeding device according to claim 1, wherein the first rotating rod (33) and the second rotating rod (34) are coaxially sleeved with belt pulleys (35) at corresponding positions, and the two belt pulleys (35) are jointly tensioned and sleeved with a synchronous belt (36).

4. An agricultural seed sowing device according to claim 1, wherein the distance between the fertilizer flow channel (123) and the seed flow channel (111) is 7-10 cm.

5. An agricultural seed sowing device according to claim 1, wherein the fertilizer flow channel (123) is of a flat horn-like structure.

6. An agricultural sowing apparatus according to claim 1, wherein a set of running wheels (2) is symmetrically mounted on both sides of the apparatus body (1).