CN220493522U - Screening type alfalfa quick seeder for tobacco fields - Google Patents

Abstract

The utility model relates to a screening type alfalfa quick seeder for tobacco fields, which comprises a movable underframe and a plow fixedly connected below the movable underframe, wherein a box body is arranged above the movable underframe, a feed port is arranged at the top of the box body, a stirrer is arranged in the box body, a filter screen is arranged below the stirrer, the filter screen is fixedly connected in the box body, the aperture is larger than that of alfalfa seeds, a cleaning port is arranged above the filter screen on the side wall of the box body, a gate valve is arranged at the cleaning port, a blanking port is arranged at the bottom of the box body, a switch valve is arranged at the blanking port, a seeding pipe is fixedly connected at the lower end of the blanking port, one end of the seeding pipe far away from the blanking port extends downwards to the lower part of the movable underframe, a rotary distributor is arranged at the lower end of the plow, and the distributor is in transmission connection with a front axle through a chain.

Description

Screening type alfalfa quick seeder for tobacco fields

Technical Field

The utility model belongs to the technical field of sowers, and relates to a screening type alfalfa rapid sowing machine for tobacco fields.

Background

Alfalfa is known as "pasture king", which not only has high yield, but also has excellent grass quality, and various livestock and poultry are favored to eat. The planting area of alfalfa in China is about 133 ten thousand square kilometers. With the development of commercial economy, the industrialized scale of alfalfa has developed faster, and the planting area of alfalfa is expanding. In tobacco planting production, in order to effectively improve the utilization ratio of a tobacco field, interplanting can be carried out in the tobacco field and other planting, alfalfa is one of the interplanting planting, so when the alfalfa is interplanted in the tobacco field, the alfalfa seeds are usually planted fast by using a manual or small-sized seeder, and when the existing alfalfa seeder is planted, sundries or other seeds mixed in the seeds cannot be screened and filtered.

Disclosure of Invention

The utility model provides an alfalfa seeder capable of screening sundries and uniformly seeding, aiming at the defects of the prior art.

The utility model provides a screening type alfalfa rapid planter for tobacco fields, which comprises a movable underframe and a plow fixedly connected below the movable underframe, wherein a box body is arranged above the movable underframe, a feed port is arranged at the top of the box body, a stirrer is arranged in the box body, a filter screen is arranged below the stirrer, the filter screen is fixedly connected in the box body, the aperture is larger than that of alfalfa seeds, a cleaning port is formed in the side wall of the box body above the filter screen, a gate valve is arranged at the cleaning port, a blanking port is arranged at the bottom of the box body, a switch valve is arranged at the blanking port, a seeding pipe is fixedly connected at the lower end of the blanking port, one end of the seeding pipe, which is far away from the blanking port, extends downwards to the lower part of the movable underframe, and the lower end of the seeding pipe is arranged behind the plow.

According to the scheme, sundries in alfalfa seeds are filtered and screened through the filter screen in the box body, the alfalfa seeds are stirred through the stirrer, accumulated seeds on the filter screen are prevented from blocking meshes, the screened sundries are cleaned from the cleaning port, and after the sundries are conveyed to the land through the plow in front of the sowing pipe, the seeds are sowed from the sowing pipe.

As optimization, the stirrer comprises a motor fixed at the top of the box body, a vertical stirring shaft is arranged above the filter screen in the box body, one end of the stirring shaft is fixedly connected with the output end of the motor, and stirring blades are fixedly connected on the stirring shaft. This optimal scheme prevents through stirring vane that the filter screen mesh from blockking up.

As optimization, be equipped with cylindrical structure's tripper in the seeding pipe, seeding pipe inner wall and tripper outer wall laminating set up, tripper axle center department is fixed with the pivot, and the pivot articulates with the seeding pipe and rotates along the direction of advance setting, and the tripper outer wall distributes along circumference and axial and opens a plurality of recesses, the recess size is 1~2 times of alfalfa seed size. According to the optimized scheme, the distributor rotates through the rotating shaft, alfalfa seeds are arranged on the distributor, the alfalfa seeds in the grooves are brought to the lower side for sowing when the distributor rotates, the uniform sowing of the alfalfa seeds is realized, and excessive sowing is avoided.

As optimization, the outer wall of the rotating shaft outside the seeding pipe is fixedly connected with a first sprocket, the front axle of the movable underframe is fixedly connected with a second sprocket, and the first sprocket and the second sprocket are connected through chain transmission. In the optimized scheme, when the second sprocket rotates along with the advancing of the wheel, the first sprocket is driven to rotate, and the rotating shaft of the distributor fixedly connected with the first sprocket rotates along with the rotation of the first sprocket, so that the seeding operation is performed during the advancing.

As optimization, the side wall of the box body is provided with a visual window. The alfalfa seed state in the box body is observed through the visual window to timely feed supplement.

The beneficial effects of the utility model are as follows: during sowing operation, alfalfa seeds and sundries are screened and filtered through the filter screen in the box body, the alfalfa seeds fall into the distributor of the sowing pipe after being screened, when the moving underframe advances, the distributor is driven to rotate forwards through chain transmission, and the alfalfa seeds are controlled to be uniformly sowed through the grooves on the distributor, so that the effect of screening the sundries and uniformly sowing is achieved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a left side view of the present utility model;

FIG. 4 is a schematic structural view of a dispenser;

fig. 5 is an enlarged view of a portion a;

the figure shows:

1. the movable underframe, 2, the box body, 3, the filter screen, 4, the stirring blade, 5, the cleaning opening, 6, the rotating shaft, 7, the support, 8, the seeding pipe, 9, the plow, 10, the distributor, 11, the first chain wheel, 12, the chain, 13, the second chain wheel, 14, the visual window, 15, the groove, 16, the gate valve, 17 and the front axle.

Detailed Description

In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.

As shown in fig. 1-5, the plow 9 comprises a movable chassis 1 and a plow fixedly connected below the movable chassis, supporting legs are fixedly connected at four corners of the chassis in the movable chassis, axles are respectively arranged between the two supporting legs at the front side and the two supporting legs at the rear side in a penetrating manner, wheels are arranged at two ends of each axle, the wheels in the embodiment are electric wheel hoops, labor is saved, and the plow 9 is positioned at the rear of the front axle 17.

The box 2 is arranged above the movable underframe, the upper part of the box is of a cylindrical structure, the lower part of the box is of a round table-shaped structure, the round table-shaped box is convenient for alfalfa seeds to fixedly connect with the movable underframe through the support 7, the top of the box is provided with a feed inlet, the small round surface of the round table-shaped structure of the box is provided with a feed opening, the feed opening is provided with a switch valve, and the round table-shaped box is convenient for alfalfa seeds to flow and collect towards the feed opening.

The spiro union is fixed with filter screen 3 in the box, and the filter screen is located the cylindric structure of box and sets up and the aperture is greater than the alfalfa seed, and the box lateral wall is located the top of filter screen and opens there is clearance mouth 5, and push-pull valve 16 is installed to the clearance mouth, and the lateral wall of box is equipped with visual window 14, sieves the filtration through the alfalfa seed and debris of filter screen to the feeding, and the agitator is installed to the top of filter screen, the agitator is including being fixed in the motor at box top, is located the filter screen top in the box and is equipped with vertical (mixing) shaft, (mixing) shaft one end and motor output rigid coupling, has four stirring vane 4 along circumference rigid coupling on the (mixing) shaft, and stirring vane's lower extreme and the laminating of filter screen 3 upper ends set up, through stirring vane to piling up the alfalfa seed stirring board on the filter screen, prevent to block up because of piling up the mesh that causes.

The lower extreme of the feed opening of box fixedly connected with rectangle seeding pipe 8, seeding pipe keep away from feed opening one end and pass down and remove the chassis, and seeding pipe lower extreme is located the setting of plow directly behind, and in order to avoid the alfalfa seed to drop in a large number and cause the seed extravagant, install cylindrical structure's tripper 10 in rectangle seeding pipe, the front and back lateral wall of seeding pipe is semicircular structure's its inner wall and tripper outer wall laminating setting in tripper department, and tripper axle center department wears to be fixed with pivot 6, and pivot and seeding pipe left and right sides wall are articulated and rotate along the direction of advance setting, and the tripper outer wall has a plurality of recesses 15 along circumference and axial evenly distributed, the recess size is 1~2 times of alfalfa seed size, evenly distributed six sets of recesses along the circumference of tripper in this embodiment, and every group is equipped with three along the axial, neither causes the seed extravagant also can guarantee the seedling rate of seed.

The outer wall of the rotating shaft outside the seeding pipe is fixedly connected with a first chain wheel 11, the front axle 17 of the movable underframe is fixedly connected with a second chain wheel 13, and the first chain wheel and the second chain wheel are in transmission connection through a chain 12. The distributor can rotate in the front-back direction through the rotating shaft, and alfalfa seeds in the grooves on the distributor drop from the lower port along with the rotation of the distributor during rotation, and the distributor rotates along with the advancing of the wheels through the chain transmission structure, so that the alfalfa seeds can be uniformly sowed.

The application method of the utility model comprises the following steps: the alfalfa seeds are poured into the feed inlet of the box body 2 and fall on the filter screen 3, the alfalfa seeds slide to the feed outlet from the filter screen, a large amount of seeds and sundries are accumulated on the filter screen to cause the blockage of meshes, the alfalfa seeds are easily screened and fall down by stirring through the stirring blades 4 of the stirrer, the alfalfa seeds screened by the opening and closing valve fall above the distributor 10 in the sowing pipe 8, the front axle 17 rotates to drive the rotation of the distributor through the transmission of the chain 12 along with the advancing ploughing of the sowing machine, the alfalfa seeds in the grooves 15 of the distributor rotate to fall into soil along with the rotation, so that the alfalfa seeds are controlled to uniformly fall and sow, after the sowing of the seeds in the box body is observed through the visual window 14, the foreign matters are manually cleaned out from the cleaning opening 5 of the box body by opening the gate valve 16, and the next round of sowing is performed.

Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical aspects of the present utility model and not for limiting the same, and it should be understood by those skilled in the art that the present utility model is described in detail with reference to the optimized embodiments, and that the changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the claims of the present utility model.

Claims (5)

1. The utility model provides a screening formula tobacco field alfalfa quick seeder, includes removal chassis (1) and rigid coupling plow (9) in removal chassis below, its characterized in that: the top of removing the chassis is equipped with box (2), the box top is equipped with the feed inlet, is equipped with the agitator in the box, the below of agitator is equipped with filter screen (3), and the filter screen rigid coupling is in the box and the aperture is greater than the alfalfa seed, and the box lateral wall is located the top of filter screen and opens has clearance mouth (5), and clearance mouth installs push-pull valve (16), and the bottom of box is equipped with the feed opening, and the ooff valve is installed to the feed opening, and the feed opening lower extreme rigid coupling has seeding pipe (8), and seeding pipe is kept away from feed opening one end downwardly extending to remove the chassis below, and seeding pipe lower extreme is located the plow rear setting.

2. The rapid seeder for sifting tobacco fields alfalfa of claim 1, wherein: the stirrer comprises a motor fixed at the top of the box body, a vertical stirring shaft is arranged above the filter screen in the box body, one end of the stirring shaft is fixedly connected with the output end of the motor, and stirring blades (4) are fixedly connected on the stirring shaft.

3. The rapid seeder for sifting tobacco fields alfalfa of claim 1, wherein: the seeding pipe is internally provided with a distributor (10) with a cylindrical structure, the inner wall of the seeding pipe is attached to the outer wall of the distributor, a rotating shaft (6) is fixed at the axis of the distributor, the rotating shaft is hinged with the seeding pipe and rotates along the advancing direction, the outer wall of the distributor is provided with a plurality of grooves (15) along the circumferential direction and the axial direction, and the size of each groove is 1-2 times that of alfalfa seeds.

4. A rapid sieve-type alfalfa seeder in a tobacco field as claimed in claim 3, wherein: the outer wall of the rotating shaft outside the seeding pipe is fixedly connected with a first sprocket (11), a front axle (17) of the movable chassis is fixedly connected with a second sprocket (13), and the first sprocket and the second sprocket are in transmission connection through a chain (12).

5. The rapid seeder for sifting tobacco fields alfalfa of claim 1, wherein: the side wall of the box body is provided with a visual window (14).