An agricultural planting and seeding device

By designing an adjustable cam structure and seed-picking head, the problems of empty holes and double seeds in the sowing process of spoon-type seeders have been solved, enabling adaptation to the sowing needs of different seeds and improving sowing accuracy and efficiency.

CN119655027BActive Publication Date: 2026-07-14FARMING & CULTIVATION RES INST OF HEILONGJIANG ACADEMY OF AGRI SCI

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FARMING & CULTIVATION RES INST OF HEILONGJIANG ACADEMY OF AGRI SCI
Filing Date
2024-12-17
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Existing spoon-type seeders are prone to creating empty holes during the sowing process and are difficult to adapt to the sowing needs of seeds of different sizes, affecting sowing accuracy and effectiveness.

Method used

An agricultural planting and sowing device with an adjustable seed-collecting head was designed. Through the cooperation of a cam structure and an adjusting ring, the seed-collecting space can be flexibly adjusted to meet the needs of seeds of different sizes and compensate for the voids or double seeds caused by wear.

Benefits of technology

It improves the precision and adaptability of sowing, avoids empty holes and double-seed phenomena, improves sowing efficiency and flexibility, has wide adaptability, and saves time.

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Abstract

An agricultural planting and seeding device, comprising a housing, a base and a seed taking device, the seed taking device is rotatably connected to the base, the housing and the base are connected by screws, the seed taking device comprises a seed taking seat, the seed taking seat is connected to a seed taking disc and an intermediate disc, the seed taking disc is slidably connected to a plurality of sliding blocks, the inner sides of the sliding blocks are respectively connected to a plurality of cam seat controls, the plurality of cam seat controls are respectively connected to a plurality of adjusting ring controls, the plurality of adjusting ring controls are connected to an adjusting seat, the outer sides of the sliding blocks are respectively connected to a plurality of movable heads, and the plurality of movable heads are connected to the seed taking disc. The seed taking head of the device can be adjusted, the cavity phenomenon caused by wear can be compensated, and different sizes of seeds can be adapted.
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