Double-suction ring broad-width precision sowing apparatus
A technology of precision seeding and ring width, which is applied in the direction of single-seed seeder, seeder parts, interval quantitative seeding machinery, etc. It can solve the problems of seed jumping away from the seeding point and vertical fall, so as to improve seeding accuracy and slow down the landing speed effect
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Embodiment 1
[0031] as attached figure 1 to attach Figure 11 As shown, the present invention provides a double-suction ring wide-width precision seeding device, including a seed box 3, a seed meter and a seed pipe 4, the seed meter has two housings 1, and the two housings 1 are respectively The cover 2 located on one side of the housing 1 is airtightly connected to the fan interface 18. The housing 1 has an inner core 22 connected to the drive shaft. The inner core 22 is composed of an inner layer 14 and an outer layer 13. The negative pressure chamber formed, the outer surface of the inner core 22 has evenly distributed concave round dimples 15, and the concave round dimples 15 have suction holes 16 communicating with the negative pressure chamber, and the negative pressure chamber passes through the double suction rings 17 on the cover 2 It communicates with the fan interface 18, and there is a hollow stopper 9 fixedly connected to the cover 2 at the bottom of the housing 1. The hollow...
Embodiment 2
[0039] as attached figure 1 to attach Figure 11 As shown, the present invention provides a double-suction ring wide-width precision seeding device, including a seed box 3, a seed meter and a seed pipe 4, the seed meter has two housings 1, and the two housings 1 are respectively The cover 2 located on one side of the housing 1 is airtightly connected to the fan interface 18. The housing 1 has an inner core 22 connected to the drive shaft. The inner core 22 is composed of an inner layer 14 and an outer layer 13. The negative pressure chamber formed, the outer surface of the inner core 22 has evenly distributed concave round dimples 15, and the concave round dimples 15 have suction holes 16 communicating with the negative pressure chamber, and the negative pressure chamber passes through the double suction rings 17 on the cover 2 It communicates with the fan interface 18, and there is a hollow stopper 9 fixedly connected to the cover 2 at the bottom of the housing 1. The hollow...
Embodiment 3
[0042] as attached figure 1 to attach Figure 11 As shown, the present invention provides a double-suction ring wide-width precision seeding device, including a seed box 3, a seed meter and a seed pipe 4, the seed meter has two housings 1, and the two housings 1 are respectively The cover 2 located on one side of the housing 1 is airtightly connected to the fan interface 18. The housing 1 has an inner core 22 connected to the drive shaft. The inner core 22 is composed of an inner layer 14 and an outer layer 13. The negative pressure chamber formed, the outer surface of the inner core 22 has evenly distributed concave round dimples 15, and the concave round dimples 15 have suction holes 16 communicating with the negative pressure chamber, and the negative pressure chamber passes through the double suction rings 17 on the cover 2 It communicates with the fan interface 18, and there is a hollow stopper 9 fixedly connected to the cover 2 at the bottom of the housing 1. The hollow...
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