CN202941157U - Corn harvester and grain trash-removing and screening device - Google Patents
Corn harvester and grain trash-removing and screening device Download PDFInfo
- Publication number
- CN202941157U CN202941157U CN 201220649058 CN201220649058U CN202941157U CN 202941157 U CN202941157 U CN 202941157U CN 201220649058 CN201220649058 CN 201220649058 CN 201220649058 U CN201220649058 U CN 201220649058U CN 202941157 U CN202941157 U CN 202941157U
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- sieve nest
- hinged
- motion
- connecting rod
- driving shaft
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Abstract
The utility model relates to a corn harvester and a grain trash-removing and screening device. The grain trash-removing and screening device comprises a machine frame and a screen body, and the length of the grain trash-removing and screening device extends along the front-and-back direction. A follow-up mechanism and a movement mechanism are arranged at intervals on the machine frame along the front-and-back direction. The movement mechanism comprises a panel connecting rod transmission mechanism and a drive shaft which is arranged on the machine frame, the panel connecting rod transmission mechanism comprises a drive arm which is fixedly arranged on the drive shaft, and the length of the drive arm extends along the radial direction of the drive shaft, the panel connecting rod transmission mechanism further comprises two eccentric blocks with hinged positions, and the axial direction of the hinged positions extends along the horizontal direction. One hinged position of the eccentric block is connected with a screen body in a hinged mode, and the other hinged position of the eccentric block is connected with the connecting rod. The end of the connecting rod is connected with the end of the drive arm in a hinged mode so as to enable the eccentric block to drive the screen body to reciprocate slant forwards and slant backwards, the end of the connecting rod is far away from the eccentric block, and the end of the drive arm is far away from the drive shaft. The corn harvester and the grain trash-removing and screening device solve the problem that the screen body in the existing technology can not screen the grain through vibration.
Description
Technical field
The utility model relates to maize harvesting machine and seed removal of impurities screening plant thereof.
Background technology
existing maize harvesting machine mainly comprises corn harvesting apparatus, debarker and seed removal of impurities screening plant, seed removal of impurities screening plant is mainly that the made from bracteal leaf of corn that will be divested by debarker and the broken stipe of removing are carried and discharged by chain harrow, by the bract that comes off in debarker, broken stipe and a small amount of seed are fallen on sorting screen by the sieve nest of seed removal of impurities screening plant, made from bracteal leaf of corn and disconnected stem stalk are transported to far-end by corresponding carrier chain target until the discharge maize harvesting machine is outside, seed is along with the revolution of carrier chain target is moved, gradually by discharging in bract and broken stipe, thereby and the kernel recovery box below sieve nest and sorting screen fall into reclaims, wherein sieve nest is to be fixed on the frame of seed removal of impurities screening plant.difference due to the various places pattern of farming, the difference of varieties of plant, the impact such as maturity difference and results later stage weather conditions during harvesting, some corn broken stipe increases, the seed phenomenon that comes off is serious, and be fixed in the effect that can not produce vibration screening on frame due to sieve nest, make corn kernel and bract, the separating abnormality of broken stipe is difficult, a lot of seeds because of with bract, it is not thorough that broken stipe separates, totally do not taken out of outside body, the grain loss rate sharply increases, make high yield not have a good harvest, caused adverse effect for popularization and the use of maize harvesting machine.
The utility model content
The purpose of this utility model is to provide a kind of seed removal of impurities screening plant, to solve the problem that sieve nest in prior art can not the vibration screening seed; The purpose of this utility model also is to provide a kind of maize harvesting machine that uses this seed removal of impurities screening plant.
In order to address the above problem, in the utility model, the technical scheme of seed removal of impurities screening plant is:
seed removal of impurities screening plant, comprise the sieve nest that frame and length direction extend along front and back, be arranged at intervals with follower and drive described sieve nest along fore-and-aft direction on described frame and produce front and back, the motion of amplitude pumps, described motion comprises the planar linkage transmission mechanism and arranges on described frame, the driving shaft that pivot center extends and driven by corresponding power source along left and right directions, described planar linkage transmission mechanism comprises and being fixedly arranged on driving shaft, length is along the actuating arm that radially extends of described driving shaft, described planar linkage motion also comprises having two axially all along the eccentric block of the articulated position of left and right directions extension, an articulated position and the described sieve nest of described eccentric block are hinged and connected, another articulated position place is hinged with connecting rod, described connecting rod is hinged and connected away from an end of described eccentric block and the described actuating arm end away from described driving shaft, tilt forward and the reciprocating motion of tilting backwards to make described eccentric block drive described sieve nest when described driving shaft circumferentially rotates.
Described connecting rod is an expansion link with straight-line displacement stroke.
Described follower comprises rocking lever, and described rocking lever one end and described frame are hinged and connected, and the other end and described sieve nest are hinged and connected, and the pivot center of the pin joint at described rocking lever two ends all extends along left and right directions.
Described motion and follower are arranged at respectively the both sides up and down of described sieve nest.
Described motion and follower are arranged at respectively the rear and front end of described sieve nest.
In the utility model, the technical scheme of maize harvesting machine is:
maize harvesting machine, comprise mainframe and the upper seed removal of impurities screening plant that arranges thereof, described seed removal of impurities screening plant comprises the sieve nest that screening plant frame and length direction extend along front and back, be arranged at intervals with follower and drive described sieve nest along fore-and-aft direction on described screening plant frame and produce front and back, the motion of amplitude pumps, described motion comprises the planar linkage transmission mechanism and arranges on described screening plant frame, the driving shaft that pivot center extends and driven by corresponding power source along left and right directions, described planar linkage transmission mechanism comprises and being fixedly arranged on driving shaft, length is along the actuating arm that radially extends of described driving shaft, described planar linkage motion also comprises having two axially all along the eccentric block of the articulated position of left and right directions extension, an articulated position and the described sieve nest of described eccentric block are hinged and connected, another articulated position place is hinged with connecting rod, described connecting rod is hinged and connected away from an end of described eccentric block and the described actuating arm end away from described driving shaft, tilt forward and the reciprocating motion of tilting backwards to make described eccentric block drive described sieve nest when described driving shaft circumferentially rotates.
Described connecting rod is an expansion link with straight-line displacement stroke.
Described follower comprises rocking lever, and described rocking lever one end and described frame are hinged and connected, and the other end and described sieve nest are hinged and connected, and the pivot center of the pin joint at described rocking lever two ends all extends along left and right directions.
Described motion and follower are arranged at respectively the both sides up and down of described sieve nest.
Described motion and follower are arranged at respectively the rear and front end of described sieve nest.
the beneficial effects of the utility model are: during work, driving shaft is driven and is rotated by corresponding power source, driving shaft drives actuating arm and circumferentially rotates, actuating arm passes through the planar linkage motion to the sieve nest transmission in the process of circumferentially rotating, thereby driving sieve nest tilts forward and the reciprocating motion of tilting backwards, make sieve nest produce front and back, amplitude on above-below direction, under the effect of this amplitude, corn kernel, the Bao Yeyu broken stipe rolls on the compass screen surface of sieve nest mutually, jump, collide and separate, suitable amplitude and vibration frequency make corn kernel and bract, broken stipe thoroughly separates, maize kernel falls into corresponding kernel recovery box through sieve nest, bract and broken stipe are discharged by body.The utility model greatly reduces the percent of loss of seed, has realized the high yield good harvest.
Further, connecting rod is an expansion link, like this under the rotation of driving shaft, connecting rod is thereupon flexible, cause excessive amplitude with the buffering actuating arm to sieve nest, effectively avoided the corn kernel in the sieve nest, bract and broken stipe by the problem of deviating from sieve nest, the use of simultaneous retractable bar also can be dwindled the size of complete machine on above-below direction, makes the structure of complete machine compacter.
Description of drawings
Fig. 1 is the structural representation of the seed removal of impurities screening plant in the utility model maize harvesting machine embodiment, is also the structural representation of a kind of embodiment of seed removal of impurities screening plant in the utility model simultaneously;
Fig. 2 is the end view of Fig. 1.
Embodiment
The embodiment of maize harvesting machine is as shown in Fig. 1 ~ 2: comprise mainframe and upper corn harvesting apparatus, debarker and the seed removal of impurities screening plant that arranges thereof, seed removal of impurities screening plant comprises the sieve nest 6 that screening plant frame and length direction extend along front and back, sieve nest 6 can produce the amplitude of moving forward and backward and move up and down being assemblied on the screening plant frame of amplitude by motion and follower, motion and follower are arranged at intervals at the rear and front end of sieve nest along fore-and-aft direction, motion and follower are divided into the both sides up and down of sieve nest.motion is included in and arranges on frame, the driving shaft 1 that pivot center extends and driven by corresponding power source along left and right directions, be installed with the length actuating arm consistent with the radially bearing of trend of driving shaft 12 on driving shaft 1, motion also comprises having two axially all along the eccentric block 5 of the articulated position of left and right directions extension, two articulated position eccentric settings of eccentric block, an articulated position of eccentric block 5 is hinged and connected by link 4 and sieve nest 6, another articulated position place is hinged with connecting rod 3, connecting rod 3 is an expansion link with straight-line displacement telescopic adjustment amount, connecting rod 3 is hinged and connected away from an end of eccentric block 5 and actuating arm 2 end away from driving shaft 1, tilt forward and the reciprocating motion of tilting backwards to make eccentric block 5 drive sieve nest 6 when driving shaft circumferentially rotates, eccentric block wherein, connecting rod and actuating arm have consisted of the planar linkage transmission mechanism.Follower comprises rocking lever 7; lower end of rocking lever 7 is hinged and connected by the first articulated structure 8 and frame; the upper end is hinged and connected with sieve nest 6 by the second articulated structure 9; when driving sieve nest 6 motion at motion; rocking lever is motion thereupon also; axially all extending along left and right directions of first and second articulated structure; rocking lever 7 has two and the left and right sides that is arranged at sieve nest of correspondence respectively; two rocking levers 7 are the U-shaped structure with perpendicular arm 7-2 and two transverse arm 7-1, and wherein two transverse arms of first and second articulated structure and respective rocker arm bar 7 are hinged and connected.
During work, can be dropped on by the corn kernel that falls on debarker, bract and broken stipe on the compass screen surface of sieve nest 6, driving shaft 1 is made circular motion under the driving of corresponding power source, corresponding actuating arm 2 also moves around the pivot center of driving shaft 1,3, connecting rod under the drive of actuating arm 2 while stretch, swing in certain angle, the swing of connecting rod can make eccentric block swing thereupon, and then makes the mobile range on sieve nest generation fore-and-aft direction; In the process that actuating arm upwards rotates, connecting rod can first reach the flexible extreme limit of travel position of oneself, actuating arm continues upwards to rotate subsequently, connecting rod pulls on eccentric block and sieve nest and moves, thereby make the mobile range on above-below direction of sieve nest generation, under both direction motion amplitude synthetic, sieve nest will tilt forward and tilt backwards along with the rotation of actuating arm reciprocating motion.Sieve nest is in the reciprocating while, and follower is also and then servo-actuated.Motion and follower synergy; make whole sieve nest produce the Oscillation Amplitude of front and back and above-below direction; make by the corn kernel that falls on debarker, Bao Ye and mutually roll, jump, collide and separate on the compass screen surface of sieve nest with broken stipe; suitable amplitude makes corn kernel thoroughly separate with bract, broken stipe with vibration frequency; maize kernel falls into corresponding kernel recovery box through sieve nest, and bract and broken stipe are discharged by body.Greatly reduce the percent of loss of seed, realized the high yield good harvest; The use of expansion link has reduced the Oscillation Amplitude of sieve nest on all directions, prevents that corn kernel, bract and broken stipe from being deviate from by the top of sieve nest, has also reduced the size of whole complete machine on above-below direction simultaneously.
In other embodiment of this maize harvesting machine: rocking lever can be arranged at lifting between frame and sieve nest and draw other followers such as the rope of effect or chain to replace; When needing sieve nest that less amplitude is arranged, what the distance between follower and motion can be suitable reduces, such as follower and motion being arranged on simultaneously middle part, front portion or the rear portion of sieve nest; Link can not established yet, and this moment, eccentric block can directly be articulated on sieve nest; Follower and motion can also be arranged at upside or the downside of sieve nest simultaneously; Certainly, connecting rod can also be a common rigid rod that does not have Telescopic.
The embodiment of seed removal of impurities screening plant is as shown in Fig. 1 ~ 2: the seed removal of impurities screening plant described in the concrete structure of seed removal of impurities screening plant such as above-mentioned each maize harvesting machine embodiment is not described in detail in this.
Claims (10)
1. seed removal of impurities screening plant, comprise the sieve nest that frame and length direction extend along front and back, it is characterized in that: before and after being arranged at intervals with follower and the described sieve nest generation of driving along fore-and-aft direction on described frame, the motion of amplitude pumps, described motion comprises the planar linkage transmission mechanism and arranges on described frame, the driving shaft that pivot center extends and driven by corresponding power source along left and right directions, described planar linkage transmission mechanism comprises and being fixedly arranged on driving shaft, length is along the actuating arm that radially extends of described driving shaft, described planar linkage motion also comprises having two axially all along the eccentric block of the articulated position of left and right directions extension, an articulated position and the described sieve nest of described eccentric block are hinged and connected, another articulated position place is hinged with connecting rod, described connecting rod is hinged and connected away from an end of described eccentric block and the described actuating arm end away from described driving shaft, tilt forward and the reciprocating motion of tilting backwards to make described eccentric block drive described sieve nest when described driving shaft circumferentially rotates.
2. seed removal of impurities screening plant according to claim 1, it is characterized in that: described connecting rod is an expansion link with straight-line displacement stroke.
3. seed removal of impurities screening plant according to claim 1, it is characterized in that: described follower comprises rocking lever, described rocking lever one end and described frame are hinged and connected, the other end and described sieve nest are hinged and connected, and the pivot center of the pin joint at described rocking lever two ends all extends along left and right directions.
4. seed removal of impurities screening plant according to claim 1, it is characterized in that: described motion and follower are arranged at respectively the both sides up and down of described sieve nest.
5. according to claim 1 ~ 4 described seed removal of impurities of any one screening plants, it is characterized in that: described motion and follower are arranged at respectively the rear and front end of described sieve nest.
6. maize harvesting machine, comprise mainframe and the upper seed removal of impurities screening plant that arranges thereof, described seed removal of impurities screening plant comprises the sieve nest that screening plant frame and length direction extend along front and back, it is characterized in that: before and after being arranged at intervals with follower and the described sieve nest generation of driving along fore-and-aft direction on described screening plant frame, the motion of amplitude pumps, described motion comprises the planar linkage transmission mechanism and arranges on described screening plant frame, the driving shaft that pivot center extends and driven by corresponding power source along left and right directions, described planar linkage transmission mechanism comprises and being fixedly arranged on driving shaft, length is along the actuating arm that radially extends of described driving shaft, described planar linkage motion also comprises having two axially all along the eccentric block of the articulated position of left and right directions extension, an articulated position and the described sieve nest of described eccentric block are hinged and connected, another articulated position place is hinged with connecting rod, described connecting rod is hinged and connected away from an end of described eccentric block and the described actuating arm end away from described driving shaft, tilt forward and the reciprocating motion of tilting backwards to make described eccentric block drive described sieve nest when described driving shaft circumferentially rotates.
7. maize harvesting machine according to claim 6, it is characterized in that: described connecting rod is an expansion link with straight-line displacement stroke.
8. maize harvesting machine according to claim 6, it is characterized in that: described follower comprises rocking lever, described rocking lever one end and described frame are hinged and connected, and the other end and described sieve nest are hinged and connected, and the pivot center of the pin joint at described rocking lever two ends all extends along left and right directions.
9. maize harvesting machine according to claim 6, it is characterized in that: described motion and follower are arranged at respectively the both sides up and down of described sieve nest.
10. according to claim 6 ~ 9 described maize harvesting machines of any one, it is characterized in that: described motion and follower are arranged at respectively the rear and front end of described sieve nest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649058 CN202941157U (en) | 2012-11-30 | 2012-11-30 | Corn harvester and grain trash-removing and screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649058 CN202941157U (en) | 2012-11-30 | 2012-11-30 | Corn harvester and grain trash-removing and screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202941157U true CN202941157U (en) | 2013-05-22 |
Family
ID=48416878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220649058 Withdrawn - After Issue CN202941157U (en) | 2012-11-30 | 2012-11-30 | Corn harvester and grain trash-removing and screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202941157U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053270A (en) * | 2012-11-30 | 2013-04-24 | 郑州中联收获机械有限公司 | Corn harvester and edulcoration and screening device for grains of corn harvester |
| CN105660042A (en) * | 2016-01-25 | 2016-06-15 | 中联重机股份有限公司 | Threshing device for dual-purpose harvester for peeling and threshing corn |
| CN108262250A (en) * | 2018-04-10 | 2018-07-10 | 新乡市阿徕德机械设备有限公司 | The limiting device of rectangular swinging screen tail portion |
| CN109526353A (en) * | 2018-11-29 | 2019-03-29 | 临沭县东泰机械有限公司 | A kind of efficient cleaning plant of peanut combine |
-
2012
- 2012-11-30 CN CN 201220649058 patent/CN202941157U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103053270A (en) * | 2012-11-30 | 2013-04-24 | 郑州中联收获机械有限公司 | Corn harvester and edulcoration and screening device for grains of corn harvester |
| CN105660042A (en) * | 2016-01-25 | 2016-06-15 | 中联重机股份有限公司 | Threshing device for dual-purpose harvester for peeling and threshing corn |
| CN105660042B (en) * | 2016-01-25 | 2018-02-13 | 中联重机股份有限公司 | Sheller unit for the dual-purpose cropper of corn peeling threshing |
| CN108262250A (en) * | 2018-04-10 | 2018-07-10 | 新乡市阿徕德机械设备有限公司 | The limiting device of rectangular swinging screen tail portion |
| CN109526353A (en) * | 2018-11-29 | 2019-03-29 | 临沭县东泰机械有限公司 | A kind of efficient cleaning plant of peanut combine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150225 |
|
| RGAV | Abandon patent right to avoid regrant |