Seeding apparatus

Abstract

The invention provides a seed discharging device, characterized in that the seed discharging device comprises a seed box for storing seeds, a connection-rod piston in seed box, a seed discharging tube around the seed box for discharging the seeds outside the seed box, a seed blocking mechanism and a lifting mechanism for driving connection-rod piston; a seed discharging groove is set on the connection-rod piston and the seed blocking mechanism cooperates with the seed discharging groove and the seed discharging tube, when the connection-rod piston is at sinkage position, the seed blocking mechanism blocks off the lower outlet of the seed discharging groove to make the seed stored in the seed discharging groove; when the connection-rod piston is at the elevation position, the seed blockingmechanism leaves the lower outlet of the seed discharging groove to discharge the seed stored in the seed discharging groove through the seed discharging tube. The seeds of finely ground particles, such as rapes, are precisely sowed; and the seeds of large particles are also precisely sowed. The seed discharging device has features of simple structure, convenient processing, stable and reliable working, strong generality and convenient promotion and application.

Description

technical field [0001] The technical field of agricultural machinery and devices of the present invention relates to a seed metering device, which is a general-purpose precision seed metering device, especially a seed metering device used on small particle seed seeding machines such as rapeseed, sesame and radish. Background technique [0002] For a long time, the precision seeding method for small-particle seeds is mainly reflected in the hole wheel seeding, but the seeding process faces two bottlenecks. The first is that the seeding process has a high breakage rate, resulting in a low germination rate; Second, it is easy to block the holes, causing missed seeding, so that the emergence of seedlings is not neat, and the seeding stability is poor in addition. And the widely used air type (suction, air blowing, air supply) seed sorting is only limited to the scope of use of large particle seeds, and there are disadvantages such as complex structure, high manufacturing cost, a...

AI Technical Summary

Problems solved by technology

[0002] For a long time, the precision seeding method for small-particle seeds is mainly reflected in the hole wheel seeding, but the seeding process faces two bottlenecks. The first is that the seeding process has a high breakage rate, resulting in a low germination rate; Second, it is easy to block the holes, resulting in missed seeding, so that the emergence of seedlings is not neat, and the seeding stability is poor.

However, the widely used air type (suction, air blowing, air delivery) seeding is only limited to the scope of use of large-particle seeds, and has the disadvantages of complex structure, high production cost, and overweight of the whole machine.

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