Agricultural seed screening device

Abstract

The invention discloses an agricultural seed screening device which comprises a box body, wherein a base is arranged below the box body; a buffering mechanism is arranged between the base and the boxbody; and a first filtering plate, a second filtering plate and a third filtering plate are arranged in the box body. The agricultural seed screening device improves the defects in the prior art; under the action of a guiding plate, material slides to the highest end of the corresponding filtering plate, so that the material can obtain the longest filtering time to eliminate the defects of the existing device; under the action of a hot-air blower, hot-blast air enters a caching box and a flow guiding cavity along an air guiding tube and then spray out from an air ejector tube to carry out blow-drying treatment on the material on the surfaces of the filtering plates, so that drying of the material is facilitated; and the drying manner increases the air blowing area and is high in practicality.

Description

technical field [0001] The invention relates to the technical field of agricultural equipment, in particular to an agricultural seed screening device. Background technique [0002] Generally speaking, sieving refers to a process of selecting a certain substance with specific properties from among the majority of substances according to a predetermined goal. In order to improve the germination rate of seeds, the seeds need to be sieved before planting, but , the existing seed sieving is generally carried out by manually lifting the seeds for sieving, which not only wastes time, but also has low work efficiency. [0003] In view of the above problems, the existing patent announcement number is CN207996796U, which discloses a screening device, but there is a problem in this device when it is working: because the material filtered by the upper filter in the device will be evenly distributed in the lower filter. In this way, the secondary screening time of some materials during ...

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Problems solved by technology

[0002] Generally speaking, sieving refers to a process of selecting a certain substance with specific properties from among the majority of substances according to a predetermined goal. In order to improve the germination rate of seeds, the seeds need to be sieved before planting, but , the existing seed screening is generally carried out by manually lifting the seeds for screening, which not only wastes time, but also has low work efficiency

[0003] In view of the above problems, the existing patent announcement number is CN207996796U, which discloses a screening device, but there is a problem in this device when it is working: because the material filtered by the upper filter in the device will be evenly distributed in the lower filter. Online, this leads to the extremely short secondary screening time of some materials during secondary screening, which is not conducive to effective screening of materials

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