CN112042335A - Disc type telescopic tooth seed discharging device - Google Patents

Disc type telescopic tooth seed discharging device Download PDF

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Publication number
CN112042335A
CN112042335A CN202011006273.9A CN202011006273A CN112042335A CN 112042335 A CN112042335 A CN 112042335A CN 202011006273 A CN202011006273 A CN 202011006273A CN 112042335 A CN112042335 A CN 112042335A
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China
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seed
tooth
arc
guiding
shell
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CN202011006273.9A
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CN112042335B (en
Inventor
缪宏
韩非
袁锐
张燕军
张善文
苏伟
戈林泉
童俊华
齐江涛
刘思幸
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Yangzhou University
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Yangzhou University
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Publication of CN112042335A publication Critical patent/CN112042335A/en
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Publication of CN112042335B publication Critical patent/CN112042335B/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/20Parts of seeders for conducting and depositing seed

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)

Abstract

A kind of disc type flexible tooth seed-metering device, it is an agricultural machinery seeding apparatus technical field, by the seed box, adjust the pole, body, curved tooth adjusting disc, seed-protecting plate, flexible curved tooth, seed-guiding mechanism, seed-metering shaft, seed-scraping plate connect and make up, its structure is novel, the invention is worked, the seed falls into and fills the kind of district through the seed box, the seed-discharging shaft drives the flexible curved tooth to rotate, the seed-scraping plate brushes the surplus seed in the flexible curved tooth, then flexible curved tooth drives the seed to enter the kind of district, the seed enters the seed-guiding device under the function of dead weight, the seed falls onto seed-guiding spoon afterwards, fall into the kind of ditch through the seed-guiding pipeline under the drive of the seed-guiding wheel, when rotating the adjust pole and turning to three circular chutes separately, can realize the tertiary adjustment of seed-metering, guarantee that plant spacing is even and accurate after planting, has improved the qualification rate of seed plant spacing by a wide.

Description

Disc type telescopic tooth seed discharging device
Technical Field
The invention belongs to the technical field of agricultural machinery sowing equipment, relates to a seed discharging device, and particularly relates to a disc type telescopic tooth seed discharging device.
Background
The seed metering device is a core component of the seeding machine and is a main factor for determining the characteristics and the seeding quality of the seeding machine. The quality of the working performance of the seeding apparatus directly influences the working efficiency of the seeding machine and the quality of the seedling emergence of crops. The conventional disc-type seed sowing device can not adjust the seed sowing quantity according to the actual condition. In addition, when seeds are separated from the seed sowing device, the seeds fall freely in the seed guiding pipe under the action of gravity, and in the process, the seeds are inevitably disturbed by airflow and have the phenomena of collision, bounce, friction and the like, so that the uniformity of initial throwing of the seeds from the seed sowing device is changed by the factors, the phenomena of uneven drop points and uneven plant spacing occur after the seeds are separated from the seed guiding pipe, and the growth of crops is influenced to a certain extent.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a disc type telescopic tooth seed discharging device which adopts a telescopic arc tooth mechanism to discharge seeds, can adjust the seed discharging amount, is provided with a seed guide mechanism, can ensure that the plant spacing is uniform and accurate after seed feeding, can greatly improve the qualification rate of the plant spacing of the seeds, and has wide market prospect.
The technical scheme of the invention is as follows: the utility model provides a flexible tooth seed metering device of disc type which characterized in that: the seed sowing device consists of a seed box, an adjusting rod, a shell, an arc tooth adjusting disc, a seed protecting plate, a telescopic arc tooth, a seed guiding mechanism, a seed sowing shaft and a seed scraping plate; the seed box is arranged on one side of the radial axis of the upper end of the shell, the seed box is connected and communicated with the shell, the seed discharging shaft is arranged in the center of the shell, the arc-tooth adjusting disc is arranged outside the seed discharging shaft, a plurality of spiral chutes and circular chutes are arranged on the arc-tooth adjusting disc, the telescopic arc teeth are arranged at the front end of the arc-tooth adjusting disc, one end of the adjusting rod is fixedly connected with the arc-tooth adjusting disc, the other end of the adjusting rod extends out of the shell, an arc-tooth bump is arranged on one side of the telescopic arc teeth, a cylindrical bump is arranged on the other side of the telescopic arc teeth, the telescopic arc teeth slide in the spiral chutes through the arc-tooth bumps, an internal spring is arranged between the cylindrical bump and the seed discharging shaft, one end of the internal spring is fixedly connected with the cylindrical bump, and the other end of the internal spring; the inner wall of the seed protection plate is tightly attached to the outer end of the telescopic arc tooth, an external spring is arranged between the outer wall of the seed protection plate and the shell, one end of the external spring is fixedly connected with the inner wall of the shell through an external spring seat, the other end of the external spring is fixed on the outer wall of the seed protection plate, the seed scraping plate is arranged on one side of the upper end of the telescopic arc tooth, one end of the seed scraping plate is fixedly connected with the inner wall of the shell, and the other end of the seed scraping plate is tangent to the outer end of the telescopic arc tooth; the seed guide mechanism is arranged under the shell, the seed guide mechanism comprises a seed guide spoon, a seed guide shaft, a seed guide wheel, a seed guide pipeline and a seed guide belt, the seed guide belt is enveloped on the seed guide shaft and a seed discharging shaft, the seed guide shaft drives the seed guide shaft belt to rotate through the seed discharging shaft, the seed guide shaft further drives the seed guide wheel to rotate, the seed guide wheel is provided with a plurality of seed guide spoons, seeds fall onto the seed guide spoon through the telescopic arc teeth, and fall into a seed ditch through the seed guide pipeline under the driving of the seed guide wheel.
The number and the positions of the telescopic arc teeth correspond to the spiral sliding grooves one by one.
The outer wall of the shell is provided with a sliding chute corresponding to the adjusting rod, and the adjusting rod slides in the sliding chute, so that the arc teeth are adjusted to stretch and retract, and the seed metering quantity is adjusted.
One side of each sliding groove is provided with three clamping grooves which correspond to the three circular sliding grooves respectively, and when the adjusting rod is clamped in the first clamping groove, the arc-tooth convex blocks slide in the first sliding grooves.
The number of the circular sliding grooves is 3, and the 3 circular sliding grooves are arranged at equal intervals with the same axis; the spiral chutes are circularly arrayed on the circular chutes by taking the axis of the circular chutes as the center, and each spiral chute spans 3 circular chutes.
The invention has the beneficial effects that: the invention provides a disc type telescopic tooth seed discharging device, which is characterized in that the whole device structure is formed by connecting a seed box, an adjusting rod, a shell, a cambered tooth adjusting disc, a seed protecting plate, a telescopic cambered tooth, a seed guiding mechanism, a seed discharging shaft and a seed scraping plate.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a side view of the present invention.
Fig. 3 is a schematic structural view of the arc-tooth adjusting disk of the invention.
FIG. 4 is a schematic view of the connection structure of the telescopic arc teeth and the sowing shaft in the present invention.
In the figure: the seed box comprises a seed box 1, an adjusting rod 2, a shell 3, an outer spring seat 4, an outer spring 5, an arc-tooth adjusting disc 6, a seed protection plate 7, a telescopic arc tooth 8, a cylindrical bump 9, a spiral chute 10, a circular chute 11, a seed guiding mechanism 12, a seed guiding spoon 12-1, a seed guiding shaft 12-2, a seed guiding wheel 12-3, a seed guiding pipeline 12-4, a chute 13, a clamping groove 14, a seed discharging shaft 15, a seed guiding belt 16, an inner spring 17, an inner spring seat 18, a seed scraping plate 19 and an arc-tooth bump 20.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-4, a disc type telescopic tooth seed sowing device comprises a seed box 1, an adjusting rod 2, a shell 3, a curved tooth adjusting disc 6, a seed protecting plate 7, a telescopic curved tooth 8, a seed guiding mechanism 12, a seed sowing shaft 15 and a seed scraping plate 18; the seed box 1 is arranged on one side of the radial axis of the upper end of the shell 3, the seed box 1 is connected and communicated with the shell 3, the seed discharging shaft 15 is arranged at the center of the shell 3, the arc-tooth adjusting disc 6 is arranged outside the seed discharging shaft 15, the arc-tooth adjusting disc 6 is provided with a plurality of spiral chutes 10 and circular chutes 11, the telescopic arc-tooth 8 is arranged at the front end of the arc-tooth adjusting disc 6, one end of the adjusting rod 2 is fixedly connected with the arc-tooth adjusting disc 6, the other end extends out of the shell 3, one side of the telescopic arc-tooth 8 is provided with an arc-tooth lug 19, the other side of the telescopic arc-tooth 8 is provided with a cylindrical lug 9, the telescopic arc-tooth 8 slides in the spiral chute 10 through the arc-tooth lug 19, an internal spring 17 is arranged between the cylindrical lug 9 and the seed discharging shaft 15, one end of the internal spring 17 is fixedly connected with the cylindrical lug, the other end is connected and fixed on the seeding shaft 15 through an inner spring seat 18; the inner wall of the seed protection plate 7 is tightly attached to the outer end of the telescopic arc tooth 8, an external spring 5 is arranged between the outer wall of the seed protection plate 7 and the shell 3, one end of the external spring 5 is fixedly connected with the inner wall of the shell 3 through an external spring seat 4, the other end of the external spring is fixed on the outer wall of the seed protection plate 7, the seed scraping plate 19 is arranged on one side of the upper end of the telescopic arc tooth 8, one end of the seed scraping plate 19 is fixedly connected with the inner wall of the shell 3, and the other end of the seed scraping plate 19 is tangent to the outer end of the telescopic arc tooth 8; the seed guiding mechanism 12 is arranged under the shell 3, the seed guiding mechanism 12 is composed of a seed guiding spoon 12-1, a seed guiding shaft 12-2, a seed guiding wheel 12-3, a seed guiding pipeline 12-4 and a seed guiding belt 16, the seed guiding belt 16 is enveloped on the seed guiding shaft 12-2 and a seed discharging shaft 15, the seed guiding shaft 12-2 drives the seed guiding shaft belt 16 to rotate through the seed discharging shaft 15, the seed guiding shaft 12-2 further drives the seed guiding wheel 12-3 to rotate, the seed guiding wheel 12-3 is provided with a plurality of seed guiding spoons 12-1, seeds fall onto the seed guiding spoons 12-1 through the telescopic arc teeth 8, and fall into a seed ditch through the seed guiding pipeline 12-4 under the driving of the seed guiding wheel 12-3.
As shown in fig. 1-4, in the disc type telescopic tooth seed arranging device, the number and the positions of telescopic arc teeth 8 correspond to spiral chutes 10 one by one; the outer wall of the shell 3 is provided with a sliding chute 13 corresponding to the adjusting rod 2, and the adjusting rod slides in the sliding chute, so that the arc teeth are adjusted to stretch and retract, and the seed discharging amount is adjusted; one side of the sliding chute 13 is provided with three clamping grooves 14, the three clamping grooves 14 respectively correspond to the three circular sliding chutes 11, and when the adjusting rod 2 is clamped in a first clamping groove, the arc-tooth bump 19 slides in the first sliding chute; the number of the circular sliding grooves 11 is 3, and the 3 circular sliding grooves 11 are arranged at equal intervals with the same axis; the spiral chutes 10 are circularly arrayed on the circular chute 11 with the axis of the circular chute 11 as the center, and each spiral chute 10 spans 3 circular chutes 11.
As shown in fig. 1-4, the working principle of a disc type telescopic tooth seed metering device is as follows: during operation, seeds fall into a seed filling area through a seed box 1, a seed discharging shaft 15 drives the telescopic arc teeth 8 to rotate, the seed scraping plate 18 brushes the rest seeds in the telescopic arc teeth 8, then the telescopic arc teeth 8 drive the seeds to enter a seed dropping area, the seeds enter the seed guiding device 12 under the action of self weight, then the seeds fall onto the seed guiding spoon 12-1 and fall into a seed ditch through the seed guiding pipeline 12-4 under the drive of the seed guiding wheel 12-3. When the rotary adjusting rod 2 rotates to the three circular chutes respectively, the three-stage adjustment of the seeding quantity can be realized.

Claims (5)

1. The utility model provides a flexible tooth seed metering device of disc type which characterized in that: the seed sowing device consists of a seed box (1), an adjusting rod (2), a shell (3), an arc tooth adjusting disc (6), a seed protecting plate (7), a telescopic arc tooth (8), a seed guiding mechanism (12), a seed sowing shaft (15) and a seed scraping plate (18); the seed box (1) is arranged on one side of the radial axis at the upper end of the shell (3), the seed box (1) is connected and communicated with the shell (3), the seed shaft (15) is arranged at the center of the shell (3), the arc-tooth adjusting disc (6) is arranged outside the seed shaft (15), the arc-tooth adjusting disc (6) is provided with a plurality of spiral chutes (10) and a circular chute (11), the telescopic arc-tooth (8) is arranged at the front end of the arc-tooth adjusting disc (6), one end of the adjusting rod (2) is fixedly connected with the arc-tooth adjusting disc (6), the other end of the adjusting rod extends out of the shell (3), one side of the telescopic arc-tooth (8) is provided with an arc-tooth lug (19), the other side of the telescopic arc-tooth (8) is provided with a cylindrical lug (9), the telescopic arc-tooth (8) slides in the spiral chute (10) through the arc-tooth lug (19), an internal spring (17) is arranged between the cylindrical bump (9) and the seeding shaft (15), one end of the internal spring (17) is fixedly connected with the cylindrical bump (9), and the other end of the internal spring is fixedly connected on the seeding shaft (15) through an internal spring seat (18); the inner wall of the seed protection plate (7) is tightly attached to the outer end of the telescopic arc tooth (8), an external spring (5) is arranged between the outer wall of the seed protection plate (7) and the shell (3), one end of the external spring (5) is fixedly connected with the inner wall of the shell (3) through an external spring seat (4), the other end of the external spring is fixed on the outer wall of the seed protection plate (7), the seed scraping plate (19) is arranged on one side of the upper end of the telescopic arc tooth (8), one end of the seed scraping plate (19) is fixedly connected with the inner wall of the shell (3), and the other end of the seed scraping plate (19) is tangent to the outer end of the telescopic arc tooth (8); the seed guiding mechanism (12) is arranged right below the shell (3), the seed guiding mechanism (12) is composed of a seed guiding spoon (12-1), a seed guiding shaft (12-2), a seed guiding wheel (12-3), a seed guiding pipeline (12-4) and a seed guiding belt (16), the seed guide belt (16) is enveloped on the seed guide shaft (12-2) and the seed sowing shaft (15), the seed guide shaft (12-2) drives the seed guide shaft belt (16) to rotate through the seed sowing shaft (15), the seed guide shaft (12-2) further drives the seed guide wheel (12-3) to rotate, a plurality of seed guiding spoons (12-1) are arranged on the seed guiding wheel (12-3), seeds fall onto the seed guiding spoons (12-1) through the telescopic arc teeth (8), driven by the seed guide wheel (12-3) to fall into the seed ditch through the seed guide pipeline (12-4).
2. The disc type retractable tooth seeding device according to claim 1, wherein: the number and the positions of the telescopic arc teeth (8) correspond to the spiral sliding grooves (10) one by one.
3. The disc type retractable tooth seeding device according to claim 1, wherein: the outer wall of the shell (3) is provided with a sliding chute (13) corresponding to the adjusting rod (2), and the adjusting rod slides in the sliding chute, so that the arc teeth are adjusted to stretch and retract, and the seed metering quantity is adjusted.
4. The disc type retractable tooth seeding device according to claim 1, wherein: one side of the sliding groove (13) is provided with three clamping grooves (14), the three clamping grooves (14) correspond to the three circular sliding grooves (11), and when the adjusting rod (2) is clamped in the first clamping groove, the arc tooth convex block (19) slides in the first sliding groove.
5. The disc type retractable tooth seeding device according to claim 1, wherein: the number of the circular sliding grooves (11) is 3, and the 3 circular sliding grooves (11) are arranged at equal intervals with the same axis; the spiral chutes (10) are circularly arrayed on the circular chute (11) by taking the axis of the circular chute (11) as the center, and each spiral chute (10) spans 3 circular chutes (11).
CN202011006273.9A 2020-09-23 2020-09-23 Disc type telescopic tooth seed metering device Active CN112042335B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011006273.9A CN112042335B (en) 2020-09-23 2020-09-23 Disc type telescopic tooth seed metering device

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Application Number Priority Date Filing Date Title
CN202011006273.9A CN112042335B (en) 2020-09-23 2020-09-23 Disc type telescopic tooth seed metering device

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CN112042335B CN112042335B (en) 2024-01-26

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2213356A1 (en) * 1996-08-20 1998-02-20 Case Corporation Vacuum seed metering mechanism
CA2213711A1 (en) * 1996-08-20 1998-02-20 Case Corporation Vacuum seed metering assembly
US20070039529A1 (en) * 2005-08-19 2007-02-22 Precision Planting, Inc. Vacuum seed meter and retrofit kit for celled-disk vacuum meters
CN101066016A (en) * 2007-03-30 2007-11-07 全莉平 Electric air-suction type precision seed sowing device
CN102511224A (en) * 2011-12-15 2012-06-27 中国农业大学 Pneumatic bucket wheel type precision corn seeder
CN103355032A (en) * 2013-05-30 2013-10-23 中国农业大学 Pneumatic composite hole-type maize precision metering device
US20140109811A1 (en) * 2012-10-23 2014-04-24 Kinze Manufacturing, Inc. Air seed meter disc with flow directing pockets
CN104956815A (en) * 2015-07-08 2015-10-07 中国农业大学 Accurate seed throwing mechanism and accurate seed throwing method of corn planter
US20160227700A1 (en) * 2015-02-11 2016-08-11 Cnh Industrial America Llc Planter Seed Meter with Accelerator Wheel System
CN106105510A (en) * 2016-06-22 2016-11-16 中国农业大学 A kind of Anti-inclining spoon formula corn precise quatity feed run and seed feeding method thereof
CN108124550A (en) * 2018-01-24 2018-06-08 山东农业大学 A kind of opposed tilting bucket wheel seeding mechanism of high speed and precision
CN207720678U (en) * 2018-01-05 2018-08-14 安徽农业大学 A kind of novel bucket wheel type seeding unit
CN108551814A (en) * 2018-03-16 2018-09-21 华中农业大学 A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit
CN109831983A (en) * 2017-11-27 2019-06-04 沈阳华巨科技有限公司 Two-chamber side seed filling type rice extractive quantity hole sowing seeder unit

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2213356A1 (en) * 1996-08-20 1998-02-20 Case Corporation Vacuum seed metering mechanism
CA2213711A1 (en) * 1996-08-20 1998-02-20 Case Corporation Vacuum seed metering assembly
US20070039529A1 (en) * 2005-08-19 2007-02-22 Precision Planting, Inc. Vacuum seed meter and retrofit kit for celled-disk vacuum meters
CN101066016A (en) * 2007-03-30 2007-11-07 全莉平 Electric air-suction type precision seed sowing device
CN102511224A (en) * 2011-12-15 2012-06-27 中国农业大学 Pneumatic bucket wheel type precision corn seeder
US20140109811A1 (en) * 2012-10-23 2014-04-24 Kinze Manufacturing, Inc. Air seed meter disc with flow directing pockets
CN103355032A (en) * 2013-05-30 2013-10-23 中国农业大学 Pneumatic composite hole-type maize precision metering device
US20160227700A1 (en) * 2015-02-11 2016-08-11 Cnh Industrial America Llc Planter Seed Meter with Accelerator Wheel System
CN104956815A (en) * 2015-07-08 2015-10-07 中国农业大学 Accurate seed throwing mechanism and accurate seed throwing method of corn planter
CN106105510A (en) * 2016-06-22 2016-11-16 中国农业大学 A kind of Anti-inclining spoon formula corn precise quatity feed run and seed feeding method thereof
CN109831983A (en) * 2017-11-27 2019-06-04 沈阳华巨科技有限公司 Two-chamber side seed filling type rice extractive quantity hole sowing seeder unit
CN207720678U (en) * 2018-01-05 2018-08-14 安徽农业大学 A kind of novel bucket wheel type seeding unit
CN108124550A (en) * 2018-01-24 2018-06-08 山东农业大学 A kind of opposed tilting bucket wheel seeding mechanism of high speed and precision
CN108551814A (en) * 2018-03-16 2018-09-21 华中农业大学 A kind of two-chamber sliding slot shield kind formula rice extractive quantity hole sowing seeder unit

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
刘虎;周纪磊;方会敏;史嵩;荐世春;徐高伟;: "基于模态的玉米高速精密排种器振动特性分析", 农机化研究, no. 07 *
李娜;赵满全;刘飞;刘月琴;吕冰;张涛;董帅;陈晨;: "气吸式谷子精量排种器性能试验研究", 中国农业大学学报, no. 05 *
韩广森;: "2MBYJ-2型玉米膜上精密播种机排种机构设计与试验", 农业工程, no. 01 *
鹿瑶;吕钊钦;鹿英哲;郑文秀;刘正铎;史文婷;程祥勋;: "链式玉米精量播种机的设计与试验", 农机化研究, no. 02 *
黄英超;李沐桐;: "锥向离心式排种器的设计与数值模拟及试验", 农机化研究, no. 08 *

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