A positive pressure type high-speed low-consumption precision seed-metering device with shunt disturbance
By using a positive pressure structure for diverting and disturbing seeds, the problems of numerous parts, large size, inaccurate airflow regulation, and unstable sealing in pneumatic seed metering devices are solved. This achieves a compact structure, precise airflow regulation, and stable sealing performance, thereby improving seeding accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- NANJING AGRI MECHANIZATION INST MIN OF AGRI
- Filing Date
- 2026-03-12
- Publication Date
- 2026-07-17
AI Technical Summary
Existing pneumatic seeding devices suffer from numerous components, large size, inaccurate airflow regulation, and unstable sealing performance, resulting in low seeding accuracy and efficiency.
It adopts a positive pressure structure for diverting and disturbing seeds, including a seed metering disc, seed inlet structure, seed diversion and disturbance structure, seed cleaning structure and power unit. It utilizes airflow adjustment knob assembly and static sealing form to reduce parts and improve airflow adjustment accuracy and sealing performance.
It achieves a compact structure, precise airflow regulation, and long-lasting and stable sealing performance, improving sowing accuracy and efficiency while reducing wind pressure loss and maintenance costs.
Smart Images
Figure CN122397430A_ABST