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Inner gear transmitting pneumatic hole seeding apparatus

An internal tooth transmission and air-suction technology, which is applied in the direction of single-grain seed planters and planter parts, can solve the problems of not being able to suck seeds and leaking seeds, and achieve the goal of increasing the seeding speed, reducing the void rate, and compact structure. Effect

Inactive Publication Date: 2013-05-01
陈恒
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The possible defect of this device is that when the seeds are sucked by the negative pressure chamber, due to unavoidable structural reasons (such as partial air leakage), the seeds may not be sucked and the seeds may leak

Method used

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  • Inner gear transmitting pneumatic hole seeding apparatus
  • Inner gear transmitting pneumatic hole seeding apparatus
  • Inner gear transmitting pneumatic hole seeding apparatus

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Embodiment Construction

[0011] The features of the present invention and other relevant technical features will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can easily understand.

[0012] as attached Figure 1-4 Schematic, the labels in the figure respectively indicate: 1—press film wheel, 2—seeder sleeve, 3—internal gear ring, 4—pressure relief area, 5—air chamber, 6—negative pressure chamber, 7—bearing , 8—negative pressure channel, 9—drum main shaft, 10—gear bearing seat, 11—negative pressure tube, 12—driving gear, 13—gear shaft, 14—transition gear, 15—annular negative pressure chamber, 16—hole planting drum , 17—kind box, 18—negative pressure connecting hole, 19—seeding hole, 20—seeding tray, 21—negative pressure through hole, 22—pressure spring, 23—kind box mounting seat, 24—lock nut, 25 - seed hole, 26 - seed filling chamber, 27 - negative pressure hole, 28 - inoculation box, 29 - duck mouth.

[0013] as attached figure...

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Abstract

The invention relates to a part on an agricultural seeder, and especially relates to a pneumatic precise hole seeding apparatus which can be used on a precise seeder. The apparatus mainly comprises a hole seeding drum (16), a film pressing roller (1), a negative pressure seed fetching device, and a roller main shaft (9). The negative pressure seed fetching device comprises a seed fetching device sleeve (2) and an air chamber (5). The seed fetching device sleeve (2) is in a cylindrical form, and is sleeved on the air chamber (5). The inner side at the bottom of the seed fetching device sleeve (2) is slidably fit with the inner end-face of the air chamber (5). The outer side at the bottom of the seed fetching device sleeve (2) is fixedly connected to a seed absorbing plate (20). The film pressing roller orderly drives a central gear (12), a transition gear (14) and a ring gear (3), such that the seed fetching device sleeve (2) of the negative pressure seed fetching device rotates aroundthe roller main shaft (9). The invention is advantaged in that: a connecting manner of the seed absorbing plate and the negative pressure chamber are changed, therefore a fixing manner of the seed absorbing plate is changed; the seed absorbing plate indirectly cooperates with the negative pressure chamber, such that the sealing capacity is substantially improved, a seed fetching rate is improved,and an empty-hole rate is reduced. According to the method, a traditional transmission mechanism is changed, such that the structure is compact and stable, the quality and stability of precise seed fetching are improved, and a seeding speed is improved.

Description

technical field [0001] The invention relates to a component on an agricultural seeder, in particular to an air-suction precision hole sowing device, which can be used on the precision seeder. technical background [0002] At present, the application of air-suction precision seeder and air-suction film precision hole sower in precision seeding operations in my country has become more and more extensive, and can be used for corn, sunflower, seed melon, watermelon, cotton, beet, pepper All crops that need precision sowing can be accurately sown or precision hole sowing. The core technology of this kind of equipment is concentrated on the air-suction precision seed taking device, and the strength and stability of its negative pressure will directly affect the working performance and quality of the precision seed taking device. Usually, the negative pressure air-suction seed picker (or seed divider) in the hole planting drum consists of a suction cup and a negative pressure chamb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C7/04A01C7/20
Inventor 陈恒
Owner 陈恒