CN201430770Y

CN201430770Y - Improved air suction seed sowing device

Info

Publication number: CN201430770Y
Application number: CN2009201034207U
Authority: CN
Inventors: 顾春洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-25
Filing date: 2009-06-25
Publication date: 2010-03-31
Anticipated expiration: 2019-06-25

Abstract

An improved air suction seed sowing device belongs to the agriculture sowing apparatus, and the technical problem to be solved is to provide an air suction seed sowing device suitable for sowing seedswith various diameters, without the air leakage and the miss-seeding of a seed suction disc and an induction chamber. The technical scheme is that the induction chamber and the seed suction disc adopt an integral structure, and are fixedly connected with a disc stand, the side surface of the inner cavity of a seed sowing chamber is in tight contact with the outer surface of the seed suction disc,and the seed sowing chamber and the center of the seed suction disc are rotationally connected through a bearing; seed suction holes are distributed on the seed suction disc, the seed suction holes have various diameters, the seed suction holes with the same diameter are uniformly distributed along the periphery of the seed suction disc, and the suction holes are plugged by filling materials. Inthe improved air suction seed sowing device, the induction chamber and the seed suction disc are combined into a whole, therefore, the phenomenon that the movement and the looseness of the seed suction disc cause air leakage and miss-seeding is changed, the flow of wind and air flow is reduced, and power consumption of the engine is reduced; and the suction holes with various aperture are formed on the seed suction disc, so that seed variety can be replaced and spacing in the rows can be adjusted without replacing the seed suction disc.

Description

A kind of improved aspiration seeding unit

Technical field

The utility model relates to a kind of seeder by the gas absorption seed, belongs to the agricultural seeder apparatus.

Background technology

At present, agricultural seeder has been realized mechanization substantially, and sower of a great variety is to adapt to the needs that Different Crop, different region, different sowing require.Present widely used sower is the air-sucking type seeder, it has overcome the shortcoming of mechanical type seeder, utilize the negative pressure of air-breathing generation that seed is inhaled on seed plate, then along with seed is discharged in the rotation of seed plate, this air-sucking type seeder has injuring-free seed, does not knock the advantage of seed, not broadcast leakage, is subjected to the welcome of vast farmers.But the induction chamber and the seeds sucker of the air-sucking type seeder that widely uses at present are isolating construction, seeds sucker is easily because of movable, loosening gas leakage, the broadcast leakage phenomenon of causing, and the easy card type in the slit between seeds sucker and the induction chamber, hinder kind, therefore be not suitable for sowing the seed of minor diameter, as crops such as oily certain herbaceous plants with big flowers, beet, millets.In addition, present air-sucking type seeder need be changed seeds sucker at the different kind period of the day from 11 p.m. to 1 a.m of sowing, has increased workload.Improved necessity is arranged very much.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of seeds sucker and induction chamber can gas leakage, broadcast leakage, be fit to the aspiration seeding unit of the seed of the various diameters of sowing.

The technical scheme that solves the problems of the technologies described above is:

A kind of aspiration seeding unit, it is made up of disc holder, induction chamber, seeds sucker, seeding chamber, the air entry of induction chamber is connected with vavuum pump, the outdoor side of seeding has the seed import to be connected with seed box, its improvements are, its induction chamber and seeds sucker are structure as a whole, and they are fixedlyed connected with disc holder, the inner chamber side of seeding chamber closely contacts with the outside of seeds sucker, and the center of seeding chamber and seeds sucker is rotationally connected by bearing.

Above-mentioned aspiration seeding unit is distributed with seed and inhales the hole on the described seeds sucker, the diameter that seed is inhaled the hole is multiple, and the seed of every kind of same diameter is inhaled the hole and evenly distributed along the seeds sucker circumference, inhales the hole by the inserts shutoff.

Above-mentioned aspiration seeding unit, described seeding has observation window on the outdoor side.

Above-mentioned aspiration seeding unit has the press mold wheel at the excircle of disc holder, and the press mold wheel is the cast iron making.

Through this improved aspiration seeding unit, induction chamber and seeds sucker are combined into an integral body, change in the past because of the seeds sucker activity, become flexible and cause gas leakage, broadcast leakage phenomenon, have also reduced the general mood flow, have reduced the rotating speed of blower fan, have reduced the power consumption of engine.The suction hole that multiple aperture is arranged on the seeds sucker need not to change the just replaceable sowing kind of seeds sucker and adjusts spacing in the rows, and this product applicability is strong, can broadcast peanut, corn, soya bean bulky grain seed kind, also can sow granule seed kinds such as beet, millet.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the front view of induction chamber and seeds sucker;

Fig. 4 is the B-B cutaway view of induction chamber and seeds sucker;

Fig. 5 is the inner-cavity structure figure of seeding chamber.

Mark is as follows among the figure: disc holder 1, induction chamber 2, seeds sucker 3, seeding chamber 4, suction hole 5, air-breathing axle 6, seed import 7, seed distributing groove 8, sowing port 9, seed adjustment bar 10, connecting plate 11, observation window 12, press mold wheel 13

Embodiment

Show among the figure that this improved aspiration seeding unit is by being made up of disc holder 1, induction chamber 2, seeds sucker 3, seeding chamber 4.

Its induction chamber 2 and seeds sucker 3 are structure as a whole, they are fixedlyed connected with disc holder 1, there is bearing at the air entry place of induction chamber 2, air-breathing axle 6 is housed in the bearing, air-breathing axle 6 is a hollow structure, middle cavity is connected with vavuum pump, and induction chamber 2 can rotate around air-breathing axle 6, and vavuum pump can be outwards air-breathing simultaneously.

The outside of seeds sucker 3 is seeding chambers 4, the inner chamber side of seeding chamber 4 closely contacts with the outside of seeds sucker 3, their center is rotationally connected by bearing, and the lateral surface of seeding chamber 4 has seed import 7 to be connected with seed box, and there are seed distributing groove 8 and sowing port 9 in the below of seeding chamber 4.The outer surface of seeding chamber 4 has connecting plate 11 to be connected with the support of sower, and seeding chamber 4 is motionless during work, and disc holder 1 drives seeds sucker 3 and induction chamber 2 rotates.

The surface of seeds sucker 3 has inhales hole 5, and the diameter that seed is inhaled hole 5 is multiple, and the seed of every kind of same diameter is inhaled hole 5 and evenly distributed along seeds sucker 3 circumference, and every kind of distance of inhaling between the hole 5 is the interseminal distance when sowing.Different-diameter is inhaled hole 5 can sow different seeds, as the suction hole sowing peanut of 6-7mm, and suction hole sowing corn and the soybean of 4-5mm, the sowing cottonseed of 3-4mm, 2-3mm sows oily certain herbaceous plants with big flowers, 0.5-1mm sowing beet and millet etc.All bore when making seeds sucker in the suction hole 5 of these different-diameters, uses the inserts shutoff then, needs to use the suction hole of which kind of diameter, with the filler taking-up of shutoff.Change sowing kind of the period of the day from 11 p.m. to 1 a.m, the stifled original suction hole 5 of is disclosed out the suction hole 5 that needs and is got final product.This design can avoid changing seeds sucker 3, is very much convenient.Also have a plurality of seed adjustment bars 10 at seeds sucker 3 facing on the outer surface of seeding chamber 4 inner chambers, when seeds sucker 3 rotated, seed adjustment bar 10 was stirred the seed in seeding unit 4 chambers.

On 4 lateral surfaces of seeding chamber, also have observation window 12, can observe the situation of inhaling hole 5 absorbed seeds in the seeding chamber 4, be convenient to check at any time whether stop up, help improving seeding quality if inhaling hole 5.

Excircle at disc holder 1 has press mold wheel 13, and press mold wheel 13 is made for cast iron.Cast iron press mold wheel 13 can increase the natural press mold gravity of seeding unit, and mould is smooth, compacting effectively prevent mulch film sideslip, dyestripping and the dislocation of hole kind, increase work efficiency.

The utility model is when work, vavuum pump is outwards air-breathing from air-breathing 6, with produce negative pressure in air-breathing axle 6 induction chambers that are communicated with 2, the suction hole 5 of the seeds sucker 3 that induction chamber 2 connects is drawn onto seeding chamber 4 seeds on the hole 5, rotate with seeds sucker 3, seed will enter seed distributing groove 8 when turning to position with the seed distributing groove 8 of seeding chamber 4, discharges sowing from sowing port 9 then.

Because disc holder 1 directly contacts with ground with the sowing port 9 that is connected, press mold wheel 13, when the aspiration seeding unit is together walked forward with sower, disc holder 1 promptly rotates voluntarily with the sowing port 9 that is connected, press mold wheel 13, and air-breathing axle 6, seeding chamber 4 and sower frame be connected, maintain static, the seed of absorption drops to sowing port 9 discharges of disc holder 1 on the suction hole 5 on the seeds sucker 3 from the seed distributing groove 8 of seeding chamber 4.

Claims

1. aspiration seeding unit, it is made up of disc holder [1], induction chamber [2], seeds sucker [3], seeding chamber [4], the air entry of induction chamber [2] is connected with vavuum pump, seeding chamber [4] lateral surface has seed import [7] to be connected with seed box, it is characterized in that: its induction chamber [2] and seeds sucker [3] are structure as a whole, they are fixedlyed connected with disc holder [1], the inner chamber side of seeding chamber [4] closely contacts with the outside of seeds sucker [3], and seeding chamber [4] are rotationally connected by bearing with the center of seeds sucker [3].

2. aspiration seeding unit according to claim 1, it is characterized in that: be distributed with seed on the described seeds sucker [3] and inhale hole [5], the diameter that seed is inhaled hole [5] is multiple, and the seed of every kind of same diameter is inhaled hole [5] and evenly distributed along seeds sucker [3] circumference, inhales hole [5] by the inserts shutoff.

3. aspiration seeding unit according to claim 2 is characterized in that: on the lateral surface of described seeding chamber [4] observation window [12] is arranged.

4. aspiration seeding unit according to claim 3 is characterized in that: the excircle at disc holder [1] has press mold wheel [13], and press mold wheel [13] is made for cast iron.