Design and Experiment of Four Rows Seed-metering Device for Vegetable

To obtain precision of sowing nursery and achieve high efficiency of sowing, a new scheme of four rows seed-metering device is discussed. The design parameters of seed-device are optimized, according to vegetable seeds sowing factors and test results. Machine sample uses a set of pinhole intake or exhaust seeds, and seeds are divided to four lines, so four lines seeds can be planted at one time. The working theory is based on seed vibration and air suction performance. The seeding result on Chinese cabbage shows that the rate of single seed is more than 95%, the rate of empty seed is less than 3%, the max efficiency reaches 600 pans an hour.