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Air duct seed sorting roller reel-type hole precision seeding device

A sowing device and reel technology, which is applied in the direction of sowing, planter parts, hole sowing seeders, etc., can solve the problems of inconvenient observation of seeds, increased workload, and difficulty in ensuring reliability, so as to avoid shutdown processing and improve performance Effect

Active Publication Date: 2019-10-18
NANJING AGRI MECHANIZATION INST MIN OF AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) In the seed selection process, the sorting box has a circular structure, the hole layout efficiency is low, and the space is not fully utilized, which may cause insufficient supply of seeds from the sorting box to the seed filling box; the selected seeds need to remove sand and dust in advance and other impurities, increasing the workload;
[0004] 2) In the connection between filling and unloading, the reset of the upper cover and the lower bottom completely depends on the return spring, and the reliability is difficult to guarantee; the material of the upper cover and the lower bottom is opaque, and it is not convenient to observe the seeds during the filling and unloading process status

Method used

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  • Air duct seed sorting roller reel-type hole precision seeding device
  • Air duct seed sorting roller reel-type hole precision seeding device
  • Air duct seed sorting roller reel-type hole precision seeding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Seed selection agency part:

[0031] see Figure 1-4 , the funnel 1 is installed on the seed clearing frame 5; the bottom end of the funnel 1 is provided with a guide groove, and the seeding rate adjustment plate 2 is installed in the guide groove at the bottom end of the funnel 1; the fan 3 is installed on the seed clearing frame 5; On the seed rack 5; the conveying pipe 6 is installed on the seed clearing rack 5; the three-stage sorting box 9 is installed on the seed filling box 10; the second-stage sorting box 8 is installed on the third-stage sorting box 9; Box 7 is installed on the secondary sorting box 8.

[0032] Part of the filling mechanism:

[0033] see figure 1 , the drive motor 15 is installed on the frame 16; the gear one 14 is installed on the drive motor 15, the gear two 13 is installed on the eccentric support 12, and is concentric with the main shaft of the eccentric support 12, the gear one 14 and the gear two 13 form a gear pair, for The driving m...

Embodiment 2

[0042] What this embodiment is aimed at is that hole size is bigger, or the seed of low-density sowing, such as super rice, vegetable seed etc., the difference between this embodiment and embodiment 1 is: do not arrange seed drop frame and drop seed platform. see Figure 7 , the bottom of the seed filling box 10 is directly provided with a hole tray. Mainly for low-density sowing seeds, such as cucumber, tomato, pepper and other vegetable seeds, etc., the eccentric support with small eccentricity is selected to complete the low-amplitude and high-frequency seed filling process. Composite movement is performed within the projection range of the hole size. When the upper cover plate is closed, the lower bottom plate opens the door, and the seeds fall freely into the hole to complete the sowing process. For the movement of the opening and closing mechanism of the upper and lower bottom plates of the seed filling box, please refer to the background technology The closest prior ar...

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Abstract

The invention relates to an air duct seed sorting roller reel-type hole precision seeding device. A hopper of a seed cleaning part is installed on a seed cleaning frame, the bottom of the hopper is provided with a guide groove, a stirring quantity adjusting plate is installed in the guide groove, a fan is arranged below the stirring quantity adjusting plate, one end of a conveying pipe is connected with an air outlet of the fan, and the other end of the conveying pipe extends to the position above a sorting part; the sorting part comprises a plurality of stacked sorting boxes, and the sortingbox at the bottommost layer is arranged above a seed filling mechanism; a seed filling and discharging mechanism comprises a small motor fixed relative to a seed filling box and a reel, the reel is made of a soft material, the two sides of the reel are positioned by rotating shafts, and the middle part of the reel is divided into an upper-layer structure and a lower-layer structure which are in contact with each other and installed in a guide groove in the bottom of the seed filling box; the upper-layer structure and the lower-layer structure are both provided with same holes, the small motordrives the reel to rotate through one rotating shaft, seeds fall into holes of the seed filling box through the upper-layer structure to complete seed filling at first and then rotate along with the reel, and when the holes of the lower-layer structure correspond to the holes of the seed filing box, seed falling is completed.

Description

technical field [0001] The invention relates to a seeding device, in particular to an air duct seed selection roller type hole precise seeding device. Background technique [0002] The document number is CN208987276U, and the Chinese patent document whose disclosure date is June 18, 2019 discloses a mechanical translation type special-shaped seed single-grain precision sowing device, which has the following technical problems: [0003] 1) In the seed selection process, the sorting box has a circular structure, the hole layout efficiency is low, and the space is not fully utilized, which may cause insufficient supply of seeds from the sorting box to the seed filling box; the selected seeds need to remove sand and dust in advance and other impurities, increasing the workload; [0004] 2) In the connection between filling and unloading, the reset of the upper cover and the lower bottom completely depends on the return spring, and the reliability is difficult to guarantee; the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C7/00A01C7/20
CPCA01C7/002A01C7/20
Inventor 夏倩倩张文毅王云霞刘宏俊李坤
Owner NANJING AGRI MECHANIZATION INST MIN OF AGRI