Similar-ball type small-particle-size vegetable seed seeding device
Technical Field
The invention relates to the technical field of crop seeding equipment, in particular to a ball-like small-particle-size vegetable seed seeding device.
Background
In recent years, the vegetable planting industry in China is rapidly developed, and the requirements of vegetable seeders are greatly improved. The prior vegetable seeder adopts a nest-hole wheel type seeding apparatus, and the seeding precision is not high although the mechanical seeding of vegetables is realized. For cruciferae such as pakchoi, cabbage, white radish and the like, seeds belong to ball-like small-particle-size seeds, and the seed sowing device of the type can cause problems of reseeding, hole blockage, seed breakage and the like. Therefore, a seed sowing device suitable for ball-like small-particle-size vegetable seeds is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects and provide the ball-like small-particle-size vegetable seed sowing device which adopts a negative-pressure seed suction and non-pressure seed sowing mode and an adsorption seed carrying process, thereby not only effectively solving the problems of breakage and blockage of the ball-like small-particle-size vegetable seeds in the seed sowing device, but also realizing precise and variable seed sowing effect, and achieving the purposes of saving seeds, simplifying thinning process, reducing cost and improving production efficiency. The seeding demand of different kinds of spherical small-particle-size vegetable seeds can be quickly responded, the adjustment is convenient and quick, and the changing and seeding efficiency of various vegetable varieties is improved.
In order to realize the purpose, the following technical scheme is adopted:
the utility model provides a kind of ball-type granule footpath vegetable seed metering ware, includes air chamber, seed metering axle, seed metering dish cutting ferrule, sealing washer, compression spring, seed metering dish, stopper, keeps off the blank, dials kind needle, housing, unloads kind stopper, seed metering mouth:
air chamber center department is equipped with the seed metering axle, epaxial coaxial arrangement in proper order of seed metering has seed metering dish cutting ferrule, seed metering dish, compression spring, be equipped with the sealing washer between air chamber and the seed metering dish, the air chamber left side is located to the housing, the air chamber left side is equipped with the housing, housing lower part one side is equipped with the seed metering mouth, and the positive lower part is equipped with unloads kind of stopper, inside stopper, the fender seed board, the needle of dialling of being equipped with of housing.
The air chamber includes negative pressure mouth, base, ordinary pressure district, air inlet, negative pressure district, adopt the bearing installation between air chamber and the seed metering axle, its bearing location adopts circlip, seed metering axle one side is milled there are two planes, realizes the circumferential location of seed metering dish cutting ferrule through the location plane in shaft hole, the shaft hole of seed metering dish links to each other with the seed metering axle, and the locating hole links to each other with the location pillar of seed metering dish cutting ferrule and realizes circumferential location, compression spring, seed metering dish cutting ferrule three closely link to each other to realize axial positioning through screw and plain washer.
The housing includes: the seed inlet, the air inlet grid, the seed metering baffle, the seed outlet, unload the kind of a mouth, treat kind of a district, the negative pressure district that treats kind of a district corresponding air chamber of housing, dial kind of a needle and pass through the mounting screw in housing one side to adjustable lateral position, the stopper passes through the mounting screw in the housing inboard, is equipped with the fender board between stopper and the housing, and the fender board can be adjusted from top to bottom and fasten through the high nut of annular knurl.
The surface of the seed discharging disc is provided with shaped holes which are uniformly arranged in a radial shape from the center of the seed discharging disc.
The seed shaft is driven by external drive to rotate, and meanwhile, a seed plate clamping sleeve, a compression spring and a seed plate which are coaxial with the seed shaft are driven to rotate.
The negative pressure port is connected with an external air pump through a hose.
The position of the seed poking needle is adjustable and is used for seed metering plates corresponding to different seeds.
The invention has the beneficial effects that:
1. the invention designs a ball-like small-particle-size vegetable seed sowing device which can realize single-seed precise sowing of ball-like small-particle-size vegetable seeds, adopts a four-row sowing plate, and can quickly change the sowing plate, thereby being suitable for the agricultural requirements of different small-particle-size seeds and saving the field operation, maintenance and debugging time.
2. The negative pressure seed suction and non-pressure natural seed discharging mode is adopted, a positive pressure seed blowing procedure is not needed, the defect of air mixing of positive and negative air pressure combination is avoided, meanwhile, a sealing ring is additionally arranged between the seed discharging disc and the air chamber and is combined with a compression spring to enable the seed discharging disc to be tightly attached to the sealing ring, the sealing performance of each air pressure area is improved, and stable air pressure is provided for single seed precision sowing.
3. The invention designs a seed poking needle, which peels off the excess seeds in the holes and seeds the seeding beat, thereby reducing the reseeding rate of the whole seeding apparatus.
4. The invention adopts the seed baffle plate to adjust and control the stacking height of the seeds, reduces the friction and extrusion between the seeds and the seed plate, reduces the obstacle of the shaped holes for adsorbing the seeds, and provides guarantee for the precise sowing of single seeds.
5. The invention adopts the seed discharging plug to discharge redundant seeds, has simple structure, convenient and fast installation and disassembly, and is beneficial to cleaning the seeds on the sowing production site.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the structure of the air cell of FIG. 2;
FIG. 4 is a schematic structural view of a seed metering disk cutting sleeve in FIG. 2;
FIG. 5 is a schematic view of the seed plate of FIG. 2;
FIG. 6 is a schematic view of the housing of FIG. 2;
wherein: 1-air chamber, 2-seeding shaft, 3-seeding disk clamping sleeve, 4-sealing ring, 5-compression spring, 6-seeding disk, 7-limiting block, 8-seed baffle, 9-seed poking needle, 10-housing, 11-seed discharging plug, 12-seeding port, 1 a-negative pressure port, 1 b-base, 1 c-constant pressure region, 1 d-air inlet, 1 e-negative pressure region, 3 a-positioning support, 3 b-shaft hole, 6 b-seeding disk shaft hole, 6 a-shaped hole, 6 c-positioning hole, 10 a-seed inlet, 10 b-air inlet grid, 10 c-seeding partition plate, 10 d-seed outlet, 10 e-seed discharging port and 10 f-seed waiting region.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is provided with reference to the accompanying drawings and embodiments.
The invention relates to a ball-like small-particle-size vegetable seed seeding device, which comprises an air chamber 1, a seeding shaft 2, a seeding disc clamping sleeve 3, a sealing ring 4, a compression spring 5, a seeding disc 6, a limiting block 7, a seed baffle 8, a seed poking needle 9, a housing 10, a seed discharging plug 11 and a seeding port 12, wherein the seeding shaft 2 is arranged at the center of the air chamber 1, the seeding disc clamping sleeve 3, the seeding disc 6 and the compression spring 5 are sequentially arranged on the seeding shaft 2, the air chamber 1 and the seeding disc 6 are provided with the sealing ring 4, the housing is arranged on the left side of the air chamber, the housing 10 is arranged on the left side of the air chamber 1, the seed discharging port 12 is arranged on one side of the lower part of the housing, the seed poking needle 11 is arranged right below.
The gas cell 1 includes: negative pressure mouth 1a, base 1b, ordinary pressure district 1c, air inlet 1d, negative pressure district 1e, adopt the bearing installation between air chamber 1 and the seed metering axle 2, its bearing location adopts circlip, 2 one sides of seed metering axle have milled two planes, realize the circumferential direction location of seed metering dish cutting ferrule 3 through the location plane in shaft hole 3b, the shaft hole 6b of seed metering dish 6 links to each other with seed metering axle 2, and location hole 6c links to each other with the location pillar 3a of seed metering dish cutting ferrule 3 and realizes circumferential direction location, compression spring 5, seed metering dish 6, seed metering dish cutting ferrule 3 three closely link to realize axial positioning through screw and plain washer.
The housing 10 includes: the seed inlet 10a, the air inlet grid 10b, the seed metering baffle 10c, the seed outlet 10d, the seed discharging port 10e, the seed waiting area 10f of the housing 10, the seed waiting area 10f of the air chamber 1 corresponds to the negative pressure area 1e, the seed poking needle 9 is installed on one side of the housing 10 through screws, the transverse position can be adjusted, the limiting block 7 is installed on the inner side of the housing 10 through screws, the seed baffle plate 8 is arranged between the limiting block 7 and the housing 10, and the seed baffle plate 8 can be adjusted up and down and fastened through a knurled high nut.
The working principle of the invention is as follows:
the external drive drives the seeding shaft 2 to rotate, and simultaneously drives the seeding disk clamping sleeve 3, the compression spring 5 and the seeding disk 6 which are coaxial with the seeding shaft to rotate, the negative pressure port 1a is connected with an external air pump through a hose, so that the air pressure in the negative pressure zone 1e is smaller than the atmospheric pressure, the air pressure in the normal pressure zone 1c is approximate to the atmospheric pressure due to the communication of the air inlet 1d and the vegetable seeds with the ball-like small particle size enter a seed waiting zone 10f through an inlet 10a, the stacking height of the seeds in the seed waiting zone can be adjusted by the upper and lower positions of the seed baffle plate 8, the seeding disks 6 corresponding to different seeds are different, the inner ring-shaped hole 6a of the seeding disk 6 determines the lowest stacking height of the seeds, the seeds positioned in the seed waiting zone 10f are adsorbed on the shaped hole 3a of the seeding disk 6 due to the air pressure difference, enter a discharging plate 10e through the rotating seeding disk 6 and are guided into a corresponding outlet of the seeding partition, the seeding function of the seeding apparatus is completed. Before formal sowing, the position of the seed poking needle 9 can be adjusted to correspond to the seed discharging plate 6 of different seeds, so that redundant seeds are prevented from being adsorbed in the type holes 3 a. After formal sowing, the excess seeds can be discharged from the seed discharging plug 11.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and modifications or equivalent substitutions of the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention should be covered in the claims of the present invention.