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Seed cleaning device for scraping airflow seeder

A seeder and air flow type technology is applied in the field of seed cleaning devices of scraping and touching air flow seeders, which can solve the problems that the seed cleaning effect cannot reach the precise seeding effect of the seed metering device, and the effect of the seed cleaning effect is large, and the seed cleaning effect can be achieved. The effect is good, and the effect of increasing the pass rate

Active Publication Date: 2017-03-29
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the positive pressure air jet method is used to remove excess seeds on the seed suction hole, the airflow intensity will have a great influence on the seed clearing effect, especially for small flat seeds such as tomatoes and peppers. technical requirements

Method used

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  • Seed cleaning device for scraping airflow seeder
  • Seed cleaning device for scraping airflow seeder
  • Seed cleaning device for scraping airflow seeder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In this embodiment, a kind of clearing device of a scraping airflow type seeder, such as image 3 As shown, it is arranged on the drum body 1 of the seed metering device, and the seed clearing device includes at least one set of seed clearing pipes 2, and the seed clearing pipes are externally connected to the air supply system; figure 1 As shown, the seed cleaning tube includes a seed cleaning tube body 8, an air needle 6, a threaded needle tip 7, a seed setting needle 5 and a quick-plug connector 9. On the cylindrical surface of the seed cleaning tube body, there are multiple threaded rotary needles distributed on one side , the other side is equipped with a quick-plug connector, and each threaded needle is equipped with an air needle and a dialing needle. The threaded needle, air needle and seeding needle are connected in sequence, and the quick-plug connector is externally connected to the air supply system. The air supply system is mainly composed of air pipe and p...

Embodiment 2

[0029] The seed cleaning device of a kind of scraping airflow type seeder of this embodiment, compares with embodiment 1, and its difference is: as image 3 or Figure 4 As shown, the seed clearing device includes two sets of seed clearing tubes, which are the first seed clearing tube and the second seed clearing tube respectively. Arranged on the drum body, the bottom ends of all the dial needles on each seed cleaning tube are located on the same generatrix of the drum body, such as Figure 5 As shown, the bottom ends of the two rows of dial needles corresponding to two adjacent seed cleaning tubes are respectively located on two different busbars of the drum body, and the arc length L1 between the two busbars is 5 to 12mm, to avoid two air The air flow of the needles interacts, and the two needles act on the seed group on the seed suction hole 11 at the same time, squeezing the seeds so that the seeds on the seed suction hole are completely emptied, increasing the empty see...

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Abstract

The invention discloses a scraping and touching air flow type seed removing device of a seeding machine. The seed removing device is arranged on a roller body of the seeding unit and comprises at least one set of seed removing pipes which are externally connected with an air supply system. Each seed removing pipe comprises a seed removing pipe body, air needles, thread rotary needle heads, seed pulling needles and a quick plug connector, wherein the thread rotary needle heads are distributed on one side of the cylindrical face of the seed removing pipe body, the quick plug connector is arranged on the other side of the cylindrical face of the seed removing pipe body, each thread rotary needle head corresponds to one air needle and one seed pulling needle, each thread rotary needle head, the corresponding air needle and the corresponding seed pulling needle are sequentially connected, and the quick plug connector is externally connected with the air supply system. According to the seed removing device, pneumatic power seed removing and mechanical power seed removing are combined, the seed removing effect is good, small round seeds and smell flat seeds can be removed so that the seeding unit can be used for sowing small flowering cabbage round seeds and the like and can also be suitable for sowing small tomato flat seeds and the like, single seeds can be precisely sown, and the seeding qualified rate is increased.

Description

technical field [0001] The invention relates to the technical field of vegetable sowing machinery, in particular to a seed cleaning device for a scraping airflow type seeder. Background technique [0002] Vegetable sowing and seedling raising is an important technical link in the vegetable production process. The use of mechanized seedling seedling tray seeding operations can save a lot of labor costs and improve production efficiency. Vegetable precision seeding machinery is one of the hot topics in agricultural machinery research in my country, and the air-suction drum vegetable seeder is a key component for precision seeding. [0003] At present, it is difficult for the air-suction drum-type small-grain vegetable seed metering device to fully realize the precise sowing of single seeds. At the same time, it also increases the multi-grain rate of the seed meter, so that this method cannot always increase the qualified rate of the seed meter with the increase of the negativ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C7/20
Inventor 李志伟张静吕莹吴钢刘皞春孙芳媛周士琳韦钟继胡裕
Owner SOUTH CHINA AGRI UNIV
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