Air duct seed selection translational precision seeding device

A sowing device, translational technology, applied in sowing, planter parts, agriculture, etc., can solve the problems that affect the reliability and stability of the equipment, increase the installation accuracy requirements, and the shortage of seeds in the sorting box, etc., to avoid Shutdown processing phenomenon, reducing installation accuracy requirements, and ensuring the effect of equipment reliability and stability

Active Publication Date: 2021-06-08
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, and the problem of insufficient seed supply from the sorting box to the seed filling box may occur; the selected seeds need to remove sand and dust in advance and other impurities, increasing the workload;
[0004] 2) In the seed filling process, four eccentric wheel structures are used to support the seed filling box, which requires high installation accuracy. If there is an installation error, one of them is the driving wheel and the other three are driven wheels. When working, Self-locking phenomenon is prone to occur, which affects the reliability and stability of the equipment, and there is a risk of early damage; according to different seed requirements, if the eccentric support is replaced to adjust the rotation diameter of the seed filling box, four eccentric supports need to be replaced at the same time, which greatly increases the installation cost. Accuracy requirements;
[0005] 3) In the connection between filling and unloading, the reset of the upper cover and the lower base completely depends on the return spring, and the reliability is difficult to guarantee

Method used

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  • Air duct seed selection translational precision seeding device
  • Air duct seed selection translational precision seeding device
  • Air duct seed selection translational precision seeding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Seed selection agency part:

[0036] 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.

[0037] Part of the filling mechanism:

[0038] see Figure 1-6 , 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 Drive motor...

Embodiment 2

[0047] This embodiment is aimed at seeds with larger hole sizes or low-density sowing, such as vegetable seeds. 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. The compound 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; the reciprocating linear motion of the opening and closing mechanism of the upper and lower bottom plates of the seed filling box can be See the closest prior art cited in the Background.

[0048] In this embodiment, the structure of the seed drop platform and the seed drop stand is abandoned, which saves materials and r...

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Abstract

The present invention relates to an air duct seed selection translational precision seeding device, comprising a seed selection mechanism, a seed filling mechanism, a seed filling-unloading mechanism; the seed selection mechanism includes a seed cleaning component and a sorting component; the seed filling mechanism includes a The mechanical translation drive mechanism fixedly connected to the side wall of the seed filling box is provided with a translation slide structure on the opposite side of the mechanical translation drive mechanism. The translation slide mechanism includes a U-shaped slide groove and a support slide fixedly arranged. One end of the supporting sliding piece can slide in the U-shaped sliding groove; the power output shaft of the filling-unloading mechanism is provided with a lower connecting gear and an upper connecting gear, the upper connecting gear meshes with the upper rack frame, and the lower connecting gear and The lower rack frame meshes; the small motor drives the upper cover plate and the lower bottom plate to reciprocate through the two rack frames to realize seed filling and unloading.

Description

technical field [0001] The invention relates to a sowing device, in particular to an air duct seed selection translational precision sowing 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, and the problem of insufficient seed supply from the sorting box to the seed filling box may occur; the selected seeds need to remove sand and dust in advance and other impurities, increasing the workload; [0004] 2) In the seed filling process, four eccentric wheel structures are used to support the seed filling box, which requires high installation accuracy. If there is an installation error, one ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C7/00A01C7/20
CPCA01C7/00A01C7/20
Inventor 夏倩倩张文毅扈凯李坤祁兵
Owner NANJING AGRI MECHANIZATION INST MIN OF AGRI
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