CN2759619Y - Intelligent cotton seed classifier - Google Patents

Intelligent cotton seed classifier Download PDF

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Publication number
CN2759619Y
CN2759619Y CN 200420122543 CN200420122543U CN2759619Y CN 2759619 Y CN2759619 Y CN 2759619Y CN 200420122543 CN200420122543 CN 200420122543 CN 200420122543 U CN200420122543 U CN 200420122543U CN 2759619 Y CN2759619 Y CN 2759619Y
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CN
China
Prior art keywords
slideway
cotton seed
chute
slide channel
vibrating disc
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200420122543
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Chinese (zh)
Inventor
孟庆敏
坎杂
李景彬
Original Assignee
孟庆敏
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Application filed by 孟庆敏 filed Critical 孟庆敏
Priority to CN 200420122543 priority Critical patent/CN2759619Y/en
Application granted granted Critical
Publication of CN2759619Y publication Critical patent/CN2759619Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an intelligent cotton seed classifier, which comprises a frame, a box, a feed port and a transmission mechanism, a computer, an air controller, an air pump and a vibrating tray, wherein a base plate at the back part of the vibrating tray is a ladder-shaped rubbing plate. A plurality of long grooves are arranged on the base plate at the front of the ladder-shaped rubbing plate, the front end of the vibrating tray is provided with a plurality of seed outlets, and a first-stage slide channel is arranged at the front back part of the seed outlets, wherein the first-stage slide channel is integrated by the connection of a plurality of slide grooves. A front optical chromatic lens and a back optical chromatic lens are respectively arranged above and below the first-stage slide channel, a row of high-speed air nozzles are arranged at the lower end of the first-stage slide channel, and a second-stage slide channel is arranged below the first-stage slide channel, wherein the second-stage slide channel is integrated by the connection of a plurality of slide grooves. An X light source is arranged at one side of the second-stage slide channel, the other side of the second-stage slide channel is provided with a light transparent plate, an X micro camera and a data processor are arranged at the back of the sunlight transparent plate, and a row of high-speed air nozzles are arranged at the lower end of the second-stage slide channel. The utility model can separate separated cotton seeds grain by grain and has the advantages of simple structure, compact structure, reliable performance and high separating quality.

Description

Cotton seed intelligence classificator
Technical field
The utility model relates to a kind of cotton seed and cleans machinery, particularly relates to a kind of intelligent grain-by-grain seed selection machinery that cotton seed is cleaned by grain.
Background technology
At present cleaning of cotton seed selection by winnowing and the gravity of adopting are cleaned machinery more, these machineries are to not full ripe bronzing seed, deformity seed, flat son, to machinery scuffing, breach, squeeze flat and the seed of pinprick arranged, foreign matters such as grass-seed in the seed, handstone are all difficult to be cleaned it totally to becoming entrained in, also can not pursue grain to seed cleans, and these machineries are comparatively heavy, and all higher to the capital construction in place, operating personnel's requirement, the reliability of equipment, stability are all relatively poor.
Technology contents
The purpose of this utility model is to provide a kind of and can pursues grain to cotton seed and clean, and simple in structure, dependable performance is cleaned the high cotton seed of quality intelligence classificator.
The utility model comprises frame, cabinet, charging aperture, transmission mechanism, it is characterized in that being provided with computer, the gas control device, air pump, charging aperture has vibrating disc, the vibrating disc base plate is the low preceding high shape in back, the base plate at vibrating disc rear portion is stair-stepping washboard, on the base plate of stepped washboard front, be provided with some roads elongated slot, be provided with several at the front end of vibrating disc and go out kind of a mouth, be provided with vertical arrangement in the front lower place that goes out kind of mouth, printing opacity, the one-level slideway that constitutes by some roads chute, the one-level slideway is obliquely installed in cabinet, on the one-level slideway, optical color camera lens and back optical color camera lens before the below respectively is provided with, and being provided with row's high speed jet at the lower port place of one-level slideway chews, the below of one-level slideway is provided with longitudinally, printing opacity, the secondary slideway that constitutes by some roads chute, the secondary slideway is obliquely installed in cabinet, side at the secondary slideway is provided with the x light source, opposite side at the secondary slideway is provided with light-passing board, be provided with x microimaging machine and data processor at the rear of light-passing board, be provided with row's high speed jet at the lower port place of secondary slideway and chew.
On the above-mentioned vibrating disc base plate elongated slot width be preferably size greater than the short-axis direction of ellipse garden shape cotton seed, less than the size of the long axis direction of ellipse garden shape cotton seed, the degree of depth of groove is greater than half of cotton seed thickness.
Several of above-mentioned vibrating disc front end go out kind of a mouth, and it goes out the size of kind of mouth width more preferably greater than the short-axis direction of ellipse garden shape cotton seed, and less than the size of the long axis direction of ellipse garden open form cotton seed, it is corresponding with the chute number on the one-level slideway to go out kind of mouth number.
Above-mentioned longitudinally, the chute of printing opacity the one-level slideway, the secondary slideway that constitute, its chute longitudinal profile preferably is a watt shape, it is corresponding that its quantity and vibrating disc go out kind of mouth quantity, the width of chute is more preferably greater than the size of the short-axis direction of ellipse garden shape cotton seed, less than the size of the long axis direction of ellipse garden shape cotton seed.
Above-mentioned high speed jet is chewed, and preferably is yi word pattern and arranges, and the quantity that high speed jet is chewed is corresponding with the chute number on the I and II slideway, and each high speed jet is chewed and all aimed at one by skidding off seed on the chute.
The utility model course of work is as follows:
Cotton seed enters vibrating disc by charging aperture, at shaking force, vibrating disc stair-stepping washboard shape base plate and the some roads before it have under the effect of elongated slot of definite shape and size, cotton seed is arranged in the elongated slot by long axis direction equably, and under the effect of shaking force, go out in each chute that kind of mouth falls into the one-level slideway by vibrating disc, under the constraint of chute shape and size, cotton seed is arranged on the chute by long axis direction equably, being located at the one-level slideway this moment leads to, the preceding optical color camera lens of below and back optical color camera lens, the cotton seed that slips over is carried out the color shooting, because of maturation is different with the color and luster of immature seed, meet immature seed, just opening high speed jet by the computer data recognition system chews, the immature seed of air-flow Jiang of chewing ejection with high speed jet is blown into the defective products outlet, finishing one-level cleans, clean qualified cotton seed through one-level and just fall into the secondary slideway automatically, x light source and x microimaging machine in secondary slideway both sides, data processor is further cleaned cotton seed, when having detected machinery, the x light source scratches, breach, squeeze flat, the deformity seed, flat son, and the cotton seed of pinprick arranged, and become entrained in grass-seed in the seed, during foreign matters such as handstone, x microimaging machine and data processor are opened high speed jet by computer and are chewed it is gone out clearly, qualified seed is flowed out by the non-defective unit outlet, please select thereby finish.
The utility model can pursue grain to the cotton seed of being cleaned and clean, and simple in structure, compact, dependable performance are cleaned the quality height.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the vertical view of the utility model vibrating disc base plate.
Fig. 3 is the side cutaway view of the utility model vibrating disc base plate.
Fig. 4 is the end view of the utility model slideway.
As shown in FIG.: 1 is charging aperture, and 2 is cabinet, and 3 is vibrating disc, 4 one-level slideways, 5 is the slideway backboard, 6 is back optical color camera lens, 7 is the x light source, and 8 is light-passing board, and 9 are the defective products outlet, 10 high speed jets are chewed, and 11 are the non-defective unit outlet, and 12 is the gas control device, 13 is air pump, 14 is video camera, and 15 is data processor, and 16 is the secondary slideway, 17 are the defective products outlet, 18 chew for high speed jet, and 19 is preceding optical color camera lens, and 20 is the control panel face, 21 go out kind of a mouth for vibrating disc, 22 is the elongated slot on the vibrating disc base plate, and 23 is the stair-stepping washboard of vibrating disc heel slab, 24 1, chute on the secondary slideway.
The specific embodiment
Embodiment 1:
Comprise frame with reference to accompanying drawing 1 present embodiment, cabinet, charging aperture, transmission mechanism, be provided with computer, the gas control device, air pump, vibrating disc, the vibrating disc base plate is the low preceding high shape in back, the vibrating disc rear portion is stair-stepping washboard, on the base plate of stair-stepping washboard front, be provided with some roads elongated slot, the elongated slot width is slightly larger than the size of the short-axis direction of ellipse garden shape cotton seed, size less than the major axis Fang Fang of ellipse garden shape cotton seed, the degree of depth of elongated slot should be greater than half of cotton seed thickness, be provided with 6 at the front end of vibrating disc and go out kind of a mouth, the width that goes out kind of mouth should be slightly larger than the size of the short-axis direction of ellipse garden open form cotton seed, size less than the long axis direction of ellipse garden open form cotton seed is provided with longitudinally in the front lower place that goes out kind of mouth, the one-level slideway that 6 road chutes of printing opacity are connected as a single entity, chute longitudinal profile on the slideway is a watt shape, the width of chute should be slightly larger than the size of the short-axis direction of ellipse garden open form cotton seed, size less than the long axis direction of ellipse garden open form cotton seed, on the one-level slideway, optical color camera lens and back optical color camera lens before the below respectively is provided with, and being provided with 6 high speed jets of a row in a side of the lower port of one-level slideway chews, below the one-level slideway, be provided with longitudinally, the secondary slideway that printing opacity 6 road chutes are connected as a single entity, chute longitudinal profile on the slideway is a watt shape, the width of chute should be slightly larger than the size of the short-axis direction of ellipse garden open form cotton seed, size less than the long axis direction of ellipse garden open form cotton seed, side at the secondary slideway is provided with an x light source, opposite side at the secondary slideway is provided with light-passing board, be provided with x microimaging machine and data processor at the rear of light-passing board, be provided with 6 high speed jets of a row in a side of the lower port of secondary slideway and chew.
High speed jet is chewed, and is yi word pattern and arranges, and the quantity that high speed jet is chewed is 6, and each high speed jet is chewed and all aimed at one by skidding off seed on the slideway.
Embodiment 2:
Difference with reference to accompanying drawing 1 present embodiment and embodiment 1 is that the vibrating disc base plate is provided with 8 and goes out kind of a mouth, one-level slideway, secondary slideway are the chute of the printing opacity of the 8 row's watt dresses that combine as a whole, and be provided with 8 high speed jets of a row and chew below one-level slideway and secondary slideway.
Embodiment 3:
Difference with reference to accompanying drawing present embodiment and embodiment 1 is that the vibrating disc base plate is provided with 10 and goes out kind of a mouth, one-level slideway, secondary slideway are the chute of the printing opacity of the 10 row's watt dresses that combine as a whole, and be provided with 10 high speed jets of a row and chew below one-level slideway and secondary slideway.

Claims (5)

1, a kind of cotton seed intelligence classificator, comprise frame, cabinet, charging aperture, transmission mechanism, it is characterized in that being provided with computer, the gas control device, air pump, charging aperture has vibrating disc, the vibrating disc base plate is the low preceding high shape in back, the base plate at vibrating disc rear portion is stair-stepping washboard, on the base plate of stepped washboard front, be provided with some roads elongated slot, be provided with several at the front end of vibrating disc and go out kind of a mouth, be provided with vertical arrangement in the front lower place that goes out kind of mouth, printing opacity, the one-level slideway that constitutes by some roads chute, the one-level slideway is obliquely installed in cabinet, on the one-level slideway, optical color camera lens and back optical color camera lens before the below respectively is provided with, and being provided with row's high speed jet at the lower port place of one-level slideway chews, the below of one-level slideway is provided with longitudinally, printing opacity, the secondary slideway that constitutes by some roads chute, the secondary slideway is obliquely installed in cabinet, side at the secondary slideway is provided with the x light source, opposite side at the secondary slideway is provided with light-passing board, be provided with x microimaging machine and data processor at the rear of light-passing board, be provided with row's high speed jet at the lower port place of secondary slideway and chew.
2, elongated slot on the vibrating disc base plate as claimed in claim 1 is characterized in that the elongated slot width for greater than the size of the short-axis direction of ellipse garden shape cotton seed, less than the size of the long axis direction of ellipse garden shape cotton seed, and the degree of depth of groove is greater than half of cotton seed thickness.
3, several of vibrating disc front end as claimed in claim 1 go out kind of a mouth, it is characterized in that the size of kind of mouth width greater than the short-axis direction of ellipse garden shape cotton seed, less than the size of the long axis direction of ellipse garden shape cotton seed, it is corresponding with the chute number on the one-level slideway to go out kind of mouth number.
4, as claimed in claim 1 longitudinally, the chute of printing opacity the one-level slideway, the secondary slideway that constitute, it is characterized in that the chute longitudinal profile is a watt shape, it is corresponding that its quantity and vibrating disc go out kind of mouth quantity, the width of chute is greater than the size of the short-axis direction of ellipse garden shape cotton seed, less than the size of the long axis direction of ellipse garden shape cotton seed.
5, high speed jet as claimed in claim 1 is chewed, and it is characterized in that high speed jet chews yi word pattern and arrange, and the quantity that high speed jet is chewed is corresponding with the chute number on the I and II slideway, and each high speed jet is chewed and all aimed at one by the seed that skids off on the chute.
CN 200420122543 2004-12-13 2004-12-13 Intelligent cotton seed classifier Expired - Fee Related CN2759619Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420122543 CN2759619Y (en) 2004-12-13 2004-12-13 Intelligent cotton seed classifier

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Application Number Priority Date Filing Date Title
CN 200420122543 CN2759619Y (en) 2004-12-13 2004-12-13 Intelligent cotton seed classifier

Publications (1)

Publication Number Publication Date
CN2759619Y true CN2759619Y (en) 2006-02-22

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689715B (en) * 2004-04-27 2010-06-02 豪尼制丝设备责任有限公司 Method and apparatus for separating foreign matter from material flow
CN102284428A (en) * 2011-05-12 2011-12-21 浙江大学 Corn real-time detection and grading machine vision system
CN102652942A (en) * 2012-03-29 2012-09-05 南京易北电气有限公司 Novel multifunctional material separator
CN103406288A (en) * 2013-07-26 2013-11-27 安徽新桥工贸有限责任公司 Color selector
CN103506326A (en) * 2013-07-26 2014-01-15 安徽新桥工贸有限责任公司 Color selection method of sesame
CN103752519A (en) * 2014-02-20 2014-04-30 丽水桉阳生物科技有限公司 Color sorting winnowing machine for tea leaves
CN103817082A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Tea leaf color-sorting and winnowing method
CN103817081A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Color sorting winnower for tea leaves before entering fermentation process
CN103817079A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Tea leaf winnowing and color-sorting machine
CN105728326A (en) * 2016-01-29 2016-07-06 周勇 Cotton seed processing production equipment
GR1008866B (en) * 2015-09-23 2016-10-06 Θεοδωρος Δημητριου Πανταζης Colour sorter for olive fruit, agricultural and industrial products
CN106108045A (en) * 2016-09-24 2016-11-16 吉首大学 The tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected removes sarcocarp device
CN106174619A (en) * 2016-09-28 2016-12-07 吉首大学 The tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected washes outer sarcocarp machine
CN106235353A (en) * 2016-09-27 2016-12-21 吉首大学 The de-outer sarcocarp machine of tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected
CN106387933A (en) * 2016-09-26 2017-02-15 吉首大学 A tapered rotary drum type walnut husk removal device characterized by fresh-keeping agent spray treatment and electric control cabinet shock absorption
CN106387934A (en) * 2016-09-27 2017-02-15 吉首大学 A tapered rotary drum type walnut husk removal device characterized by automatic lifting feeding and electric control cabinet shock absorption
CN106418571A (en) * 2016-09-28 2017-02-22 吉首大学 Walnut external pulp cleaning machine with rotating speed monitored by slide carriage brush hair buffer taper rotate-drum type computer
CN106418572A (en) * 2016-09-28 2017-02-22 吉首大学 Taper drum type electric control box damping walnut outer pulp washing machine adopting preservative spray treatment
CN106418564A (en) * 2016-09-25 2017-02-22 吉首大学 Taper drum type electric control box damping walnut pulp remover with perspective removal function
CN106418573A (en) * 2016-09-28 2017-02-22 吉首大学 Walnut external pulp cleaning machine damped by spiral transporting taper rotate-drum type electric cabinet
CN106418570A (en) * 2016-09-27 2017-02-22 吉首大学 Preserving and soaking taper rotary drum type electric control box shock absorption walnut outer fruit flesh removing machine with purification function
CN106418614A (en) * 2016-09-20 2017-02-22 吉首大学 Taper drum type kiwi fruit fuzz removing device achieving air extracting, elevating feeding and electric cabinet vibration reducing
CN106418567A (en) * 2016-09-26 2017-02-22 吉首大学 Taper rotary drum type electric control box shock absorption walnut fruit flesh removing machine with perspective elimination function
CN106418569A (en) * 2016-09-27 2017-02-22 吉首大学 Taper drum type grader for removing external pulp of walnuts with effect of monitoring rotating speed by computer
CN106418609A (en) * 2016-09-20 2017-02-22 吉首大学 Automatic lift-charging taper drum type electric cabinet damping kiwifruit down removing device
CN106418608A (en) * 2016-09-20 2017-02-22 吉首大学 Shock absorption kiwi fruit dehairing device with perspective removal taper rotary drum type electric cabinet
CN106418568A (en) * 2016-09-27 2017-02-22 吉首大学 Sliding plate brush buffer conicity rotating drum type walnut external pulp removing machine with rotation speed monitored by computer
CN106465950A (en) * 2016-09-25 2017-03-01 吉首大学 Helical feed taper rotary drum computer monitoring feed Semen Juglandiss sarcocarp removing machine
CN106473168A (en) * 2016-09-25 2017-03-08 吉首大学 Taper rotary drum electric cabinet damping walnut pulp with fresh-keeping immersion treatment removing machine
CN107350176A (en) * 2017-07-18 2017-11-17 商洛学院 A kind of corn seed quality detection device
CN110044273A (en) * 2019-05-09 2019-07-23 中国水产科学研究院南海水产研究所 A kind of long measuring device and measuring method of fish body body for Choice tests
CN110653158A (en) * 2019-10-31 2020-01-07 华南农业大学 Automatic seed taking method and seed taking device thereof
CN111250416A (en) * 2018-12-03 2020-06-09 董艳红 Intelligent seed classifier

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1689715B (en) * 2004-04-27 2010-06-02 豪尼制丝设备责任有限公司 Method and apparatus for separating foreign matter from material flow
CN102284428A (en) * 2011-05-12 2011-12-21 浙江大学 Corn real-time detection and grading machine vision system
CN102652942A (en) * 2012-03-29 2012-09-05 南京易北电气有限公司 Novel multifunctional material separator
CN103406288A (en) * 2013-07-26 2013-11-27 安徽新桥工贸有限责任公司 Color selector
CN103506326A (en) * 2013-07-26 2014-01-15 安徽新桥工贸有限责任公司 Color selection method of sesame
CN103817082A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Tea leaf color-sorting and winnowing method
CN103752519A (en) * 2014-02-20 2014-04-30 丽水桉阳生物科技有限公司 Color sorting winnowing machine for tea leaves
CN103817081A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Color sorting winnower for tea leaves before entering fermentation process
CN103817079A (en) * 2014-02-20 2014-05-28 丽水桉阳生物科技有限公司 Tea leaf winnowing and color-sorting machine
CN103817082B (en) * 2014-02-20 2015-10-21 新昌县冠阳技术开发有限公司 A kind of Tea color selects wind selection method
CN103817079B (en) * 2014-02-20 2015-10-21 新昌县冠阳技术开发有限公司 A kind of tea-leaf wind selection color selector
CN103817081B (en) * 2014-02-20 2015-11-04 新昌县冠阳技术开发有限公司 A kind ofly select winnowing machine to entering the Tea color before zymotechnique
GR1008866B (en) * 2015-09-23 2016-10-06 Θεοδωρος Δημητριου Πανταζης Colour sorter for olive fruit, agricultural and industrial products
CN105728326A (en) * 2016-01-29 2016-07-06 周勇 Cotton seed processing production equipment
CN106418609A (en) * 2016-09-20 2017-02-22 吉首大学 Automatic lift-charging taper drum type electric cabinet damping kiwifruit down removing device
CN106418608A (en) * 2016-09-20 2017-02-22 吉首大学 Shock absorption kiwi fruit dehairing device with perspective removal taper rotary drum type electric cabinet
CN106418614A (en) * 2016-09-20 2017-02-22 吉首大学 Taper drum type kiwi fruit fuzz removing device achieving air extracting, elevating feeding and electric cabinet vibration reducing
CN106108045A (en) * 2016-09-24 2016-11-16 吉首大学 The tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected removes sarcocarp device
CN106418564A (en) * 2016-09-25 2017-02-22 吉首大学 Taper drum type electric control box damping walnut pulp remover with perspective removal function
CN106473168A (en) * 2016-09-25 2017-03-08 吉首大学 Taper rotary drum electric cabinet damping walnut pulp with fresh-keeping immersion treatment removing machine
CN106465950A (en) * 2016-09-25 2017-03-01 吉首大学 Helical feed taper rotary drum computer monitoring feed Semen Juglandiss sarcocarp removing machine
CN106418567A (en) * 2016-09-26 2017-02-22 吉首大学 Taper rotary drum type electric control box shock absorption walnut fruit flesh removing machine with perspective elimination function
CN106387933A (en) * 2016-09-26 2017-02-15 吉首大学 A tapered rotary drum type walnut husk removal device characterized by fresh-keeping agent spray treatment and electric control cabinet shock absorption
CN106235353A (en) * 2016-09-27 2016-12-21 吉首大学 The de-outer sarcocarp machine of tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected
CN106387934A (en) * 2016-09-27 2017-02-15 吉首大学 A tapered rotary drum type walnut husk removal device characterized by automatic lifting feeding and electric control cabinet shock absorption
CN106418570A (en) * 2016-09-27 2017-02-22 吉首大学 Preserving and soaking taper rotary drum type electric control box shock absorption walnut outer fruit flesh removing machine with purification function
CN106418569A (en) * 2016-09-27 2017-02-22 吉首大学 Taper drum type grader for removing external pulp of walnuts with effect of monitoring rotating speed by computer
CN106418568A (en) * 2016-09-27 2017-02-22 吉首大学 Sliding plate brush buffer conicity rotating drum type walnut external pulp removing machine with rotation speed monitored by computer
CN106418571A (en) * 2016-09-28 2017-02-22 吉首大学 Walnut external pulp cleaning machine with rotating speed monitored by slide carriage brush hair buffer taper rotate-drum type computer
CN106418572A (en) * 2016-09-28 2017-02-22 吉首大学 Taper drum type electric control box damping walnut outer pulp washing machine adopting preservative spray treatment
CN106174619A (en) * 2016-09-28 2016-12-07 吉首大学 The tapering rotary drum electric cabinet damping Semen Juglandis that band perspective is rejected washes outer sarcocarp machine
CN106418573A (en) * 2016-09-28 2017-02-22 吉首大学 Walnut external pulp cleaning machine damped by spiral transporting taper rotate-drum type electric cabinet
CN107350176A (en) * 2017-07-18 2017-11-17 商洛学院 A kind of corn seed quality detection device
CN111250416A (en) * 2018-12-03 2020-06-09 董艳红 Intelligent seed classifier
CN110044273A (en) * 2019-05-09 2019-07-23 中国水产科学研究院南海水产研究所 A kind of long measuring device and measuring method of fish body body for Choice tests
CN110653158A (en) * 2019-10-31 2020-01-07 华南农业大学 Automatic seed taking method and seed taking device thereof
CN110653158B (en) * 2019-10-31 2021-08-17 华南农业大学 Automatic seed taking method and seed taking device thereof

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C19 Lapse of patent right due to non-payment of the annual fee
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