CN109821737B - Corn grain cleaning and impurity discharging combined screen mechanism - Google Patents
Corn grain cleaning and impurity discharging combined screen mechanism Download PDFInfo
- Publication number
- CN109821737B CN109821737B CN201910229895.9A CN201910229895A CN109821737B CN 109821737 B CN109821737 B CN 109821737B CN 201910229895 A CN201910229895 A CN 201910229895A CN 109821737 B CN109821737 B CN 109821737B
- Authority
- CN
- China
- Prior art keywords
- sieve
- cleaning
- main
- auxiliary
- hinged
- Prior art date
- 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.)
- Active
Links
Images
Abstract
A corn grain cleaning and impurity removing combined screen mechanism, which belongs to agricultural machinery; the mechanism comprises a main cleaning assembly consisting of a driven gear, a driven shaft, an eccentric wheel B, a cleaning sieve driving arm, a main cleaning sieve, an auxiliary cleaning sieve, a threaded bidirectional telescopic adjustable suspender assembly and a suspender seat A, an impurity discharging assembly consisting of a driving shaft, a driving gear, an eccentric wheel A, a telescopic adjustable driving arm, a support plate, a support rocker, a hanging seat B, a suspender and an impurity discharging sieve, and a secondary cleaning assembly consisting of a bidirectional rocker arm, a support seat, a threaded bidirectional telescopic adjustable supporting rod assembly, a secondary cleaning main sieve and a secondary cleaning auxiliary sieve; the mechanism accelerates the rate of discharging the sundry residues, improves the dispersion and layering effects of corn grains and mixtures on the cleaning sieve surface, and has the characteristics of novel, unique and reasonable structure, good operation quality, high efficiency, strong adaptability, simple and convenient adjustment and reliable use.
Description
Technical Field
The invention belongs to agricultural machinery, and mainly relates to a grain sorting sieve.
Background
The cleaning sieve on the corn cleaning device is a rigid integral single sieve surface structure, and the vibration frequency and the amplitude of the integral sieve surface during cleaning operation are consistent. The cleaned corn residue is easy to accumulate at the rear part of the integral screen surface and cannot be discharged in time, the cleaned corn grains and the mixture are dispersed and layered on the screen surface, the screening quality effect and the cleaning operation efficiency of the machine are reduced, and the corn grains are carried in the residue, so that the grain loss is caused.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and researches and designs a corn grain cleaning and impurity discharging combined sieve mechanism with a novel structure so as to achieve the purposes of improving the dispersion and layering effects of corn grains and a mixture on a main cleaning sieve surface and an auxiliary cleaning sieve surface, realizing quick impurity discharge, ensuring the cleaning operation quality and reducing the grain entrainment loss.
The corn kernel cleaning and impurity removing combined screen mechanism comprises a mechanism frame, a driving shaft and a driven shaft are arranged on the lower side part of the left end of the mechanism frame in parallel, and a driving gear, an eccentric wheel A, a driven gear and an eccentric wheel B are fixedly arranged on the driving shaft and the driven shaft respectively; two-way rocking bars are respectively and pivotally arranged on the front outer side part and the rear outer side part of the left end of the machine frame; the upper end and the lower end of the bidirectional rocker are respectively provided with a main cleaning sieve in a supporting and hinged mode and a secondary cleaning sieve in a hanging and hinged mode; the upper end parts of the front side and the rear side of the framework are provided with a hanging seat A and a hanging seat B which can be adjusted from left to right in a left-right moving mode, the hanging seat A is hinged with a hanging auxiliary cleaning sieve through a threaded bidirectional telescopic adjustable suspender assembly, the auxiliary cleaning sieve can be pulled, moved and adjusted from left to right and inserted and supported on a main cleaning sieve into a whole, the main cleaning sieve and the auxiliary cleaning sieve are obliquely arranged in a left-low-right-high mode, two ends of a driving arm of the cleaning sieve are respectively hinged on an eccentric wheel B and the main cleaning sieve, the hanging seat B is hinged with a sundry discharging sieve through a suspender, the sundry discharging sieve is positioned at the lower part of the right side of the auxiliary cleaning sieve and is obliquely arranged in a left-low-right-high mode, and two ends of the telescopic adjustable driving arm are respectively hinged on the eccentric wheel A and the sundry discharging sieve; support plates are oppositely arranged on the front side and the rear side of the mechanism frame and can be adjusted in a left-right moving mode from left to right, and the support plates are hinged and supported with the impurity discharge screen through support rockers; the secondary cleaning auxiliary sieve is positioned below the impurity discharge sieve, can be inserted and supported on the secondary cleaning main sieve in a left-right drawing and moving adjustment mode into a whole, and is obliquely configured in a left-low-right-high mode; the vibration frequency of main cleaning sieve and vice cleaning sieve is greater than the vibration frequency of miscellaneous surplus discharge sieve, the amplitude of main cleaning sieve and vice cleaning sieve is less than the amplitude of miscellaneous surplus discharge sieve, the inclination of main cleaning sieve, vice cleaning sieve is greater than the gradient of miscellaneous surplus discharge sieve, the inclination of secondary cleaning main sieve, secondary cleaning vice sieve equals with the inclination of main cleaning sieve, vice cleaning sieve.
The invention creates a structure that the traditional rigid integral cleaning sieve is decomposed into a main cleaning sieve, an auxiliary cleaning sieve and an impurity discharging sieve which can adjust the length of the sieve surface and are matched with each other according to a material screening theory, and adopts the technical parameter selection that the vibration frequency of the main cleaning sieve and the auxiliary cleaning sieve is greater than that of the impurity discharging sieve and the vibration amplitude of the main cleaning sieve and the auxiliary cleaning sieve is less than that of the impurity discharging sieve, thereby improving the dispersion and layering effects of corn grains and mixtures on the sieve surfaces of the main cleaning sieve and the auxiliary cleaning sieve while accelerating the impurity discharging speed and efficiency and avoiding the accumulation of the impurity on the sieve surface, ensuring the cleaning recovery rate and reducing the grain loss.
Drawings
FIG. 1 is a schematic view of the overall structure of a corn kernel cleaning and impurity removing combined screen mechanism;
fig. 2 is a left side view of fig. 1.
Description of part numbers in the figures: 1. the device comprises a machine frame, 2, a main cleaning sieve, 3, an auxiliary cleaning sieve, 4, hanging seats A and 5, threaded bidirectional telescopic adjustable suspension rod assemblies, 6, support plates, 7, hanging seats B and 8, suspension rods, 9, a sundry discharge sieve, 10, threaded bidirectional telescopic adjustable support rod assemblies, 11, a support seat, 12, a secondary cleaning auxiliary sieve, 13, a support rocker, 14, a secondary cleaning main sieve, 15, a bidirectional rocker, 16, a telescopic adjustable driving arm, 17, an eccentric wheel A and 18, a driving shaft, 19, a driving gear, 20, an eccentric wheel B and 21, a driven shaft, 22, a driven gear, 23 and a cleaning sieve driving arm.
Detailed Description
The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A corn kernel cleaning and impurity removing combined screen mechanism comprises a mechanism frame 1, a driving shaft 18 and a driven shaft 21 are arranged on the lower side part of the left end of the mechanism frame 1 in parallel, and a driving gear 19, an eccentric wheel A17, a driven gear 22 and an eccentric wheel B20 are fixedly arranged on the driving shaft 18 and the driven shaft 21 respectively; two-way rocking bars 15 are respectively hinged and installed on the front and rear outer side parts of the left end of the machine frame 1 in a swinging way; the upper end and the lower end of the bidirectional rocker 15 are respectively provided with a main cleaning sieve 2 in a supporting and hinged mode and a secondary cleaning sieve 14 in a hanging and hinged mode; a hanging seat A4 and a hanging seat B7 are assembled on the upper end parts of the front side and the rear side of the machine frame 1 and can be adjusted from left to right and left, a screw thread type bidirectional telescopic adjustable suspender assembly 5 is hinged on the hanging seat A4 to hang an auxiliary cleaning sieve 3, the auxiliary cleaning sieve 3 can be pulled and moved and adjusted from left to right and inserted and supported on a main cleaning sieve 2 to form a whole, the main cleaning sieve 2 and the auxiliary cleaning sieve 3 are obliquely arranged in a left-low-right high shape, two ends of a cleaning sieve driving arm 23 are respectively hinged on an eccentric wheel B20 and the main cleaning sieve 2, a sundry discharging sieve 9 is hinged on the hanging seat B7 through a suspender 8, the sundry discharging sieve 9 is positioned at the lower part of the right side of the auxiliary cleaning sieve 3 and is obliquely arranged in a left-low-right high shape, and two ends of a telescopic adjustable driving arm 16 are respectively hinged on the eccentric wheel A17 and the sundry discharging sieve 9; a support plate 6 is oppositely arranged at the front and back of the front and back side parts of the machine frame 1 and can be adjusted from left to right in a left-right moving way, and a waste discharge sieve 9 is hinged and supported on the support plate 6 through a support rocker 13; the secondary cleaning auxiliary sieve 12 is positioned below the impurity discharge sieve 9, the secondary cleaning auxiliary sieve 12 can be inserted and supported on the secondary cleaning main sieve 14 in a left-right pull movement adjustment mode to form a whole, and the secondary cleaning main sieve 14 and the secondary cleaning auxiliary sieve 12 are obliquely configured in a left-low-right-high mode; the vibration frequency of main cleaning sieve 2 and vice cleaning sieve 3 is greater than the vibration frequency of miscellaneous surplus discharge screen 9, the amplitude of main cleaning sieve 2 and vice cleaning sieve 3 is less than the amplitude of miscellaneous surplus discharge screen 9, the inclination of main cleaning sieve 2, vice cleaning sieve 3 is greater than the inclination of miscellaneous surplus discharge screen 9, the inclination of secondary cleaning main sieve 14, secondary cleaning vice sieve 12 equals with the inclination of main cleaning sieve 2, vice cleaning sieve 3.
During operation, according to the feeding amount of corn kernels to be cleaned and the impurity content of the corn kernels, firstly, the auxiliary cleaning sieve 3 is enabled to complete left insertion or right extraction movement relative to the main cleaning sieve 2 by adjusting the hanging seat A4, the hanging seat B7 and the support plate 6 to move leftwards or rightwards on the framework 1 through the threaded bidirectional telescopic adjustable suspender assembly 5, the suspender 8 and the support rocker 13 respectively, the impurity discharge sieve 9 is enabled to be always positioned at the lower part of the right side of the auxiliary cleaning sieve 3, the auxiliary cleaning sieve 12 is enabled to complete left insertion or right extraction movement relative to the main cleaning sieve 14 through the threaded bidirectional telescopic adjustable support rod assembly 10 by adjusting the support seat 11 to move leftwards or rightwards on the framework 1, and the auxiliary secondary cleaning sieve 12 is enabled to be always positioned below the impurity cleaning discharge sieve 9. The rotating driving shaft 18 drives the driving gear 19 and the eccentric wheel A17 to rotate, and one path of output power drives the impurity discharge sieve 9 with a small inclination angle through the telescopic adjustable driving arm 16 to complete the reciprocating pendulum vibration with low frequency and large amplitude and quickly discharge impurities; the other path of output power drives the main and auxiliary cleaning sieves 2 and 3 with large inclination angle through the driven gear 22, the driven shaft 21, the eccentric wheel B20 and the cleaning sieve driving arm 23 to complete the reciprocating oscillating vibration with high frequency and small amplitude, and quickly complete the cleaning operation, and simultaneously, under the driving of the bidirectional rocker 15, the secondary cleaning main and auxiliary sieves 14 and 12 simultaneously complete the reciprocating oscillating vibration with high frequency and small amplitude, thereby completing the secondary cleaning, separating and recycling of corn grains, reducing the loss of the grains and improving the cleaning rate.
Claims (1)
1. The utility model provides a maize seed grain is cleaned and is arranged miscellaneous combination sieve mechanism, includes framework (1), its characterized in that: a driving shaft (18) and a driven shaft (21) are arranged on the lower side part of the left end of the machine frame (1) in parallel, and a driving gear (19), an eccentric wheel A (17), a driven gear (22) and an eccentric wheel B (20) are fixedly arranged on the driving shaft (18) and the driven shaft (21) respectively; two-way rocker levers (15) are respectively and pivotally hinged on the front and rear outer side parts of the left end of the machine frame (1); the upper end and the lower end of the bidirectional rocker (15) are respectively provided with a main cleaning sieve (2) in a supporting and hinged mode and a secondary cleaning sieve (14) in a hanging and hinged mode; a hanging seat A (4) and a hanging seat B (7) are assembled on the upper end parts of the front side and the rear side of the machine frame (1) and can be adjusted from left to right and moved from left to right, a hanging auxiliary sorting screen (3) is hinged on the hanging seat A (4) through a threaded bidirectional telescopic adjustable suspender assembly (5), the auxiliary sorting screen (3) can be inserted and supported on the main sorting screen (2) in a left-right pull moving adjustment mode to form a whole, the main sorting screen (2) and the auxiliary sorting screen (3) are obliquely arranged in a left-low-right-high mode, two ends of a sorting screen driving arm (23) are respectively hinged on an eccentric wheel B (20) and the main sorting screen (2), a sundry discharging screen (9) is hinged and installed on the hanging seat B (7) through a suspender (8), the sundry discharging screen (9) is positioned at the lower right side of the auxiliary sorting screen (3) and is obliquely arranged in a left-low-right-high mode, two ends of a telescopic adjustable driving arm (16) are respectively hinged on the eccentric wheel A (17) and the impurity discharge sieve (9); a front and back opposite mounting support plate (6) which can be adjusted from left to right and can move left and right is arranged on the front and back sides of the machine frame (1), and a supporting rocker (13) is hinged on the support plate (6) to support a sundry residue discharge sieve (9); the secondary cleaning auxiliary sieve is characterized in that a mounting support seat (11) which can be adjusted in a left-right mode is arranged on the lower portion of the front side and the rear side of the right end of the machine frame (1), a secondary cleaning auxiliary sieve (12) is hinged and supported on the support seat (11) through a threaded bidirectional telescopic adjustable support rod assembly (10), the secondary cleaning auxiliary sieve (12) is located below the impurity discharge sieve (9), the secondary cleaning auxiliary sieve (12) can be inserted and supported on a secondary cleaning main sieve (14) in a left-right pulling and moving mode to be adjusted to be integrated, and the secondary cleaning main sieve (14) and the secondary cleaning auxiliary sieve (12) are obliquely configured in a left-low-right high mode; the vibration frequency of main cleaning sieve (2) and vice cleaning sieve (3) is greater than the vibration frequency of miscellaneous surplus discharge sieve (9), the amplitude of main cleaning sieve (2) and vice cleaning sieve (3) is less than the amplitude of miscellaneous surplus discharge sieve (9), the inclination of main cleaning sieve (2), vice cleaning sieve (3) is greater than the inclination of miscellaneous surplus discharge sieve (9), the inclination of secondary cleaning main sieve (14), secondary cleaning vice sieve (12) equals with the inclination of main cleaning sieve (2), vice cleaning sieve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229895.9A CN109821737B (en) | 2019-03-26 | 2019-03-26 | Corn grain cleaning and impurity discharging combined screen mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229895.9A CN109821737B (en) | 2019-03-26 | 2019-03-26 | Corn grain cleaning and impurity discharging combined screen mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109821737A CN109821737A (en) | 2019-05-31 |
| CN109821737B true CN109821737B (en) | 2021-11-19 |
Family
ID=66871942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910229895.9A Active CN109821737B (en) | 2019-03-26 | 2019-03-26 | Corn grain cleaning and impurity discharging combined screen mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109821737B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115318626A (en) * | 2022-08-22 | 2022-11-11 | 内江师范学院 | Grit processing apparatus for construction engineering |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1397940A (en) * | 1971-10-04 | 1975-06-18 | Mathews B C | Grain separating mechanism for combines |
| CN1817082A (en) * | 2006-03-21 | 2006-08-16 | 江苏大学 | Vibration sorting screen |
| CN101366336A (en) * | 2008-10-06 | 2009-02-18 | 福田雷沃国际重工股份有限公司 | Cleaning and separating apparatus for combine-harvester |
| CN202374730U (en) * | 2011-11-18 | 2012-08-15 | 郑州中联收获机械有限公司 | Cleaning unit and grain combine harvester employing cleaning unit |
| CN104541754A (en) * | 2015-01-01 | 2015-04-29 | 刘忠良 | Secondary cleaning and grain-gathering system of combine-harvester |
| CN107347384A (en) * | 2016-05-09 | 2017-11-17 | 四平市顺邦农机制造有限公司 | Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant |
| CN206689022U (en) * | 2017-05-02 | 2017-12-01 | 河北东昌种业有限公司 | A kind of wind riddling fanning mill for seed |
| CN107597575A (en) * | 2017-11-02 | 2018-01-19 | 东北农业大学 | A kind of corn kernel sorting screen drive mechanism |
| CN207494033U (en) * | 2017-11-01 | 2018-06-15 | 东北农业大学 | Tubular rice grain separating cleaning platform |
| CN208285892U (en) * | 2018-05-03 | 2018-12-28 | 农业部南京农业机械化研究所 | A kind of movable type Cleaning Testing Platform |
-
2019
- 2019-03-26 CN CN201910229895.9A patent/CN109821737B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1397940A (en) * | 1971-10-04 | 1975-06-18 | Mathews B C | Grain separating mechanism for combines |
| CN1817082A (en) * | 2006-03-21 | 2006-08-16 | 江苏大学 | Vibration sorting screen |
| CN101366336A (en) * | 2008-10-06 | 2009-02-18 | 福田雷沃国际重工股份有限公司 | Cleaning and separating apparatus for combine-harvester |
| CN202374730U (en) * | 2011-11-18 | 2012-08-15 | 郑州中联收获机械有限公司 | Cleaning unit and grain combine harvester employing cleaning unit |
| CN104541754A (en) * | 2015-01-01 | 2015-04-29 | 刘忠良 | Secondary cleaning and grain-gathering system of combine-harvester |
| CN107347384A (en) * | 2016-05-09 | 2017-11-17 | 四平市顺邦农机制造有限公司 | Self-propelled longitudinal twin shaft stream grain combine harvester pneumatic jig cleaning plant |
| CN206689022U (en) * | 2017-05-02 | 2017-12-01 | 河北东昌种业有限公司 | A kind of wind riddling fanning mill for seed |
| CN207494033U (en) * | 2017-11-01 | 2018-06-15 | 东北农业大学 | Tubular rice grain separating cleaning platform |
| CN107597575A (en) * | 2017-11-02 | 2018-01-19 | 东北农业大学 | A kind of corn kernel sorting screen drive mechanism |
| CN208285892U (en) * | 2018-05-03 | 2018-12-28 | 农业部南京农业机械化研究所 | A kind of movable type Cleaning Testing Platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109821737A (en) | 2019-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105723955B (en) | Peanut combine vibrating screen dressing mechanism | |
| CN112403906A (en) | A selection by winnowing formula edulcoration device for corn processing | |
| CN111701852B (en) | Building sand screening device | |
| CN109821737B (en) | Corn grain cleaning and impurity discharging combined screen mechanism | |
| CN111229595A (en) | Agricultural soybean screening installation | |
| CN109821743B (en) | Crop seed screening equipment | |
| CN109011796B (en) | Lithium battery slurry flow adjustable sieving equipment | |
| CN205128395U (en) | Feeding grid extension | |
| CN218502613U (en) | Quick sieving mechanism of root of kudzu vine piece | |
| CN212468780U (en) | Destoner is used in glutinous rice flour processing | |
| CN110624824B (en) | Double-shaking plate shunting mechanism for corn grain cleaning material | |
| CN210730162U (en) | Drum screen rapping device | |
| CN114618766A (en) | Raw material screening device for bean shred production | |
| CN210022789U (en) | Vibratory screening device and granulation production line with same | |
| CN220177520U (en) | Spindle-shaped material connecting rod vibration screening machine | |
| CN214682820U (en) | Vibration feeding screening machine | |
| CN205966502U (en) | Novel vibrating screen | |
| CN220027693U (en) | Vibration type medicine screening device for producing traditional Chinese medicine decoction pieces | |
| CN220406256U (en) | Graded screening device for paddy | |
| CN217369240U (en) | Open type quick-replaceable grading sieve mechanism for grading box of grain cleaner | |
| CN216452001U (en) | Threshing and cleaning device of harvester | |
| CN213316219U (en) | Wheat processing and sorting device | |
| CN219679267U (en) | Novel corn thresher | |
| CN215878748U (en) | Material is with hierarchical reciprocating sieve discharging device | |
| CN218394739U (en) | Self-adaptive peanut sheller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |