CN205755558U - A kind of sorting screen for harvester - Google Patents
A kind of sorting screen for harvester Download PDFInfo
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- CN205755558U CN205755558U CN201620465623.0U CN201620465623U CN205755558U CN 205755558 U CN205755558 U CN 205755558U CN 201620465623 U CN201620465623 U CN 201620465623U CN 205755558 U CN205755558 U CN 205755558U
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- sieve
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- screen surface
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Abstract
The utility model discloses a kind of sorting screen for harvester to include: upper sieve, lower sieve and tail sheet, wherein, upper sieve is arranged in harvester cleaning room, including upper screen cloth trellis screen cloth and upper sieve punching sieve plate；Lower sieve is arranged on the lower section of sieve, leaves gap between compass screen surface and the upper sieve of lower sieve；Tail sheet is arranged on the rear end of lower sieve；The compass screen surface of upper sieve, lower sieve and tail sheet is planar shaped compass screen surface.By the compass screen surface of upper sieve, lower sieve and tail sheet is set to planar shaped compass screen surface, the anterior and lower sieve of upper sieve uses punching sieve plate, it is possible to the fan delivery of the reduction harvester blowing force to material, reduces compass screen surface loss；Upper screen cloth trellis screen cloth on sieving on by, it is possible to avoid the blocking sieve apertures such as the paddy pockmarks of humidity, stem and leaf, grain husk bran, keep sieve aperture unimpeded, improve and clean effect.Sieve aperture according to sorting screen of the present utility model is not easily blocked, and compass screen surface loss is little, it is effective to clean.
Description
Technical field
This utility model relates to crops harvesting apparatus technical field, is specifically related to a kind of for harvester
Sorting screen.
Background technology
Hereinafter background of related of the present utility model is illustrated, but these explanations might not be constituted
Prior art of the present utility model.
The Chinese patent of Application No. 200810014352.7 discloses a kind of harvester sorting screen, including sieve
Being arranged in order on frame and be provided with some lip(ped) sieve sieve plates, sieve plate front portion is arranged in order and is provided with some fish scale sieves,
Each sieve plate rear portion is arranged in order respectively and is provided with some cylindrical voids of wearing, and each sieve plate is by sequentially passing through each sieve plate respectively
On wear cylindrical void accordingly wear bar string together.This sorting screen is when getting wheat, due to wheat grain granule relatively
Be difficult to greatly to be blown away, grain husk bran quality little Yi is blown up and takes away, and in harvesting period, crop water content is low
Being difficult to bond with compass screen surface, getting wheat is satisfactory for result.But in the fall during harvesting millet crop, millet granule
Little Yi is blown away, and causes compass screen surface to lose.Moist paddy pockmarks and stem and leaf easily stick on lip(ped) sieve sheet,
Block sieve gap and cause grain cannot to fall from compass screen surface, it is difficult to reaching to clean purpose, compass screen surface loss is big.
The Chinese patent of Application No. 200620130410.9 discloses a kind of maize harvesting machine sorting screen, bag
Include to be equipped with on work surface on the upper sieve being set up in parallel up and down and lower sieve, described upper sieve and lower sieve and there is sieve aperture
Sieve plate, the sieve plate of upper and lower sieve be all bent multiple sieve first places triangular in shape welding by work surface and
Constituting the gangboard in the type that cleaves continuously, the tip of the triangle of the work surface of each sieve is near Flow of Goods and Materials side
To tail end, during work, niblet, pellet and remaining skin slag on the sieve plate of upper and lower sieve by forward direction after
Motion, beats in vibrations, and the niblet that quality is bigger sinks and leaks down to enter defeated from the sieve aperture of sieve plate
Device, pellet and remaining skin slag is sent to be blown away under the blowing force effect of blower fan, owing to sieve plate work surface is in continuously
Cleaving shape, corn kernel is in operation and is not easy to be blown away in can falling into the trough of the shape sieve plate that cleaves,
Thus decrease the loss during Semen Maydis is cleaned.Owing to using the multiple sieves being bent into triangle by work surface
The gangboard in continuous wave wave type that head and the tail are welded, is difficult to carry backward material, and hole during results millet
Type is big, causes grain dirty, is not suitable for gathering in the crops millet.
Visible, during results millet, there is compass screen surface loss big in existing sorting screen, clean totally,
Grain is dirty, compass screen surface bonding grain husk bran and paddy pockmarks, and the phenomenon of sieve aperture is cleaned in blocking, makes user tight to harvesting effect
The most discontented.
Utility model content
The purpose of this utility model is to provide a kind of sorting screen for harvester, it is possible to reduce harvester
The impact on cleaning effect of the air quantity of blower fan, makes grain not be blown away, and reduces loss；Can be successfully
Material is carried backward, prevents the grain husk blocking such as bran and paddy pockmarks from cleaning hole, improve and clean effect.
According to the sorting screen for harvester of the present utility model, including: upper sieve, lower sieve and tail sheet；
Wherein, upper sieve is arranged in harvester cleaning room, including be arranged on rear end upper screen cloth trellis screen cloth and
It is arranged on the upper sieve punching sieve plate of front end；Lower sieve is arranged on the lower section of sieve, the compass screen surface of lower sieve and upper sieve
Between leave gap；Tail sheet is arranged on the rear end of described lower sieve；Upper sieve, lower sieve and the compass screen surface of tail sheet
It is planar shaped compass screen surface.
Preferably, upper sieve farther includes screen frame；Upper sieve punching sieve plate is arranged on the front end of screen frame,
Upper screen cloth trellis screen cloth is arranged on the rear end of screen frame.
Preferably, in upper sieve punching sieve plate and upper screen cloth trellis screen cloth are generally aligned in the same plane.
Preferably, the upper end of upper sieve punching sieve plate is provided with at least one and sieves flow distribution plate.
Preferably, the sawtooth bearing of trend of upper sieve flow distribution plate parallel with the compass screen surface of upper sieve punching sieve plate and
It is parallel to material direction of transfer.
Preferably, the front end of lower sieve flushes with the front end of upper sieve or rearward.
Preferably, lower sieve includes: lower screen frame and the lower sieve punching sieve plate being arranged on lower screen frame.
Preferably, the upper end of lower sieve punching sieve plate is provided with under at least one and sieves flow distribution plate.
Preferably, the sawtooth bearing of trend of lower sieve flow distribution plate parallel with the compass screen surface of lower sieve punching sieve plate and
It is parallel to material direction of transfer.
Preferably, tail sheet includes tail sheet frame and the latticed screen cloth of the tail sheet being arranged on tail sheet frame.
Include according to the sorting screen for harvester of the present utility model: upper sieve, lower sieve and tail sheet, logical
Cross and the compass screen surface of upper sieve, lower sieve and tail sheet is set to planar shaped compass screen surface, it is possible to reduce the blower fan of harvester
The air quantity blowing force to material, reduces compass screen surface loss；Upper screen cloth trellis screen cloth on sieving on by, it is possible to
Avoid the blocking sieve apertures such as the paddy pockmarks of humidity, stem and leaf, grain husk bran, keep sieve aperture unimpeded, improve and clean effect
Really.Sieve aperture according to sorting screen of the present utility model is not easily blocked, and compass screen surface loss is little, it is effective to clean.
Accompanying drawing explanation
By the detailed description of the invention part provided referring to the drawings, feature of the present utility model and excellent
Point will become better understood by, in the accompanying drawings:
Fig. 1 is the schematic diagram of the harvester cleaning and sorting system using sorting screen of the present utility model；
Fig. 2 is the front view of the upper sieve according to this utility model preferred embodiment；
Fig. 3 is the top view of the upper sieve according to this utility model preferred embodiment；
Fig. 4 is the front view of the lower sieve according to this utility model preferred embodiment；
Fig. 5 is the top view of the lower sieve according to this utility model preferred embodiment；
Fig. 6 is the front view of the tail sheet according to this utility model preferred embodiment.
Detailed description of the invention
With reference to the accompanying drawings illustrative embodiments of the present utility model is described in detail.To exemplary
The description of embodiment is merely for the sake of demonstration purpose, and is definitely not this utility model and application thereof or use
The restriction of method.
In order to solve the problems of the prior art, this utility model provides a kind of cleaning for harvester
Sieve, including: upper sieve 10, lower sieve 20 and tail sheet 30, as shown in Figure 1.In this utility model, on
The compass screen surface of sieve 10, lower sieve 20 and tail sheet 30 is planar shaped compass screen surface.Compass screen surface phase with other forms
Ratio, uses planar shaped compass screen surface can reduce the compass screen surface resistance to conveying material, is conducive to material is smooth
It is delivered to outside cleaning room.
Upper sieve 10 is arranged in harvester cleaning room.The sorting screen of prior art or be lip(ped) sieve or
For screen cloth cylindrically sorting screen or for the sieve plate gangboard in the type that cleaves continuously, when harvesting grain,
Moist paddy pockmarks and stem and leaf easily stick on lip(ped) sieve sheet, the cell of blocking screen cloth, make the grain cannot
Fall from compass screen surface, it is difficult to reach to clean purpose, and compass screen surface loss is big.Upper sieve 10 of the present utility model
Including being arranged on the upper screen cloth trellis screen cloth of rear end and being arranged on the upper sieve punching sieve plate of front end, moist
When paddy pockmarks and stem and leaf fall into the compass screen surface of sieve 10, bonding is less than on upper screen cloth trellis screen cloth, will not block up
The cell of plug screen cloth, beneficially grain falls from compass screen surface, reduces compass screen surface loss.
Fig. 2 shows the front view according to sieve 10 upper in a preferred embodiment of the present utility model, wherein
Upper sieve 10 farther includes screen frame 101, before upper sieve punching sieve plate 102 is arranged on screen frame 101
End, upper screen cloth trellis screen cloth 103 is arranged on the rear end of screen frame 101.Upper screen frame 101 is upper sieve 10
Skeleton.Sieve punching sieve plate 102 is set in the front end of upper screen frame 101, on the one hand can filter material
In grain, prevent grain husk bran, straw, stem and leaf etc. from falling into cleaning room, improve and clean in effect and tanker
The cleannes of grain；On the other hand, the sieve aperture of upper sieve punching sieve plate 102 is less, from upper sieve stamped sieve
The air quantity that plate 102 lower end is blown into upper sieve punching sieve plate 102 upper end by this sieve aperture is less, the least
Grain be difficult to be blown away, compass screen surface loss little.The grain that do not separated and by upper sieve stamped sieve
The clever bran of plate 102 stop, straw, stem and leaf etc. are sent to be arranged on the grid of screen frame 101 rear end
On shape screen cloth 103.Bigger grain husk bran, straw, stem and leaf etc. cannot be through upper screen cloth trellis screen clothes 103
Sieve aperture, thus without falling in cleaning room；The straw of humidity, stem and leaf etc. are difficult to be bonded to upper screen cloth lattice
Thus without the sieve aperture of the latticed screen cloth 103 of blocking on shape screen cloth 103, beneficially grain is from compass screen surface
Fall, reduce compass screen surface loss.According to preferred embodiment of the present utility model, upper sieve punching sieve plate 102
In being generally aligned in the same plane with upper screen cloth trellis screen cloth 103, as shown in Figure 3.
In order to make the material falling into cleaning room from threshing chamber be distributed evenly in compass screen surface as far as possible, Ke Yi
The upper end of upper sieve punching sieve plate 102 arranges sieve flow distribution plate 104, as shown in Figure 3.Upper sieve stamped sieve
One upper sieve flow distribution plate 104 can be only set on plate 102, it is also possible to arranges two according to actual needs
Or multiple, this is not especially limited by this utility model.In the preferred embodiment as shown in figure 3, on
Sieve flow distribution plate 104 is fixed on upper sieve punching sieve plate 102 by upper sieve flow distribution plate fixture 105.On
Sieve flow distribution plate 104 can be with indentation, on the one hand, can be spattered when material falls into sieve flow distribution plate 104
Fall to scattering, be relatively uniformly dispersed throughout on sieve punching sieve plate 102；On the other hand, material is by upper screening
Stream plate 104 splashes down when scattering, it is easier to the sawtooth bearing of trend along upper sieve flow distribution plate 104 scatter.
If material sieves the upper screen cloth trellis screen cloth the most directly splashing to rear end without upper sieve punching sieve plate 102
On 103, the cleaning load of upper screen cloth trellis screen cloth 103 can be increased.If containing more grain husk in material
The bulky grain things such as bran, straw, stem and leaf, too much material sieves the most straight without upper sieve punching sieve plate 102
Connect splash to reduce on the upper screen cloth trellis screen cloth 103 of rear end latticed screen cloth 103 clean effect
Really, cause cleaning the problems such as unclean, grain is dirty, loss is big.Based on this, can be by upper screening stream
Plate 104 is longitudinally disposed；Upper sieve flow distribution plate 104 is longitudinally disposed, is the saw instigating sieve flow distribution plate 104
Tooth bearing of trend is parallel with the compass screen surface of upper sieve punching sieve plate 202 and is parallel to material direction of transfer.
Lower sieve 20 is arranged on the lower section of sieve 10, between leaving between compass screen surface and the upper sieve 10 of lower sieve 20
Gap.Lower sieve 20 can be parallel with upper sieve 10 or shape forms an angle.Thing through the screening of upper sieve 10
Material falls into and sieves further on lower sieve 20.In this utility model, the front end of lower sieve 20 and upper sieve
The front end of 10 can keep flushing, and now, the whole materials under upper sieve 10 sieves fall into lower sieve 20
Compass screen surface on.Certainly, the front end of lower sieve 20 can also can keep a spacing with the front end of upper sieve 10
From.Fig. 1 shows the schematic diagram of the harvester cleaning and sorting system using sorting screen of the present utility model, wherein
Upper sieve 10, lower sieve 20 and tail sheet 30 are each attached in screen box 40, the front end of lower sieve 20 and upper sieve 10
Front end keep certain distance.Now, the partial material under upper sieve 10 sieves falls directly into cleaning room
Drain pan 50, other material under upper sieve 10 sieves falls into and sieves further on the compass screen surface of lower sieve 20.
Use this structure can reduce the cleaning load of lower sieve 20.
In embodiments more of the present utility model, lower sieve 20 includes: lower screen frame 201 and being arranged on
Lower sieve punching sieve plate 202 on lower screen frame 201, sees Fig. 4.Lower sieve aperture 201 is the bone of lower sieve 20
Frame.Lower screen frame 201 arranges lower sieve punching sieve plate 202, on the one hand the grain in energy filter material,
Prevent grain husk bran, straw, stem and leaf etc. from falling into cleaning room, improve the cleaning cleaning effect and grain box grain
Degree；On the other hand, the sieve aperture of lower sieve punching sieve plate 202 is less, from lower sieve punching sieve plate 202 lower end
The air quantity being blown into lower sieve punching sieve plate 202 upper end by this sieve aperture is less, and the least grain is difficult to
Being blown away, compass screen surface loss is little.The grain that do not separated and being stopped by lower sieve punching sieve plate 202
Clever bran, straw, stem and leaf etc. be sent to be arranged on the tail sheet 30 of lower screen frame 201 rear end.
In order to make from upper sieve 10 fall material be distributed evenly on the compass screen surface of lower sieve 20 as far as possible,
Lower sieve flow distribution plate 203 can be set in the upper end of lower sieve punching sieve plate 202, as shown in Figure 3.At figure
In preferred embodiment shown in 4, lower sieve flow distribution plate 203 is fixed by lower sieve flow distribution plate fixture 204
On lower sieve punching sieve plate 202.Sieve flow distribution plate 203 under one can be only set on punching sieve plate, also
Can arrange two or more according to actual needs, this is not especially limited by this utility model.Lower sieve
Flow distribution plate 203 can be with indentation, on the one hand, can be splashed down when material falls into lower sieve flow distribution plate 203
Scatter, be relatively uniformly dispersed throughout on lower sieve punching sieve plate 202；On the other hand, material is by lower screening stream
Plate 203 splashes down when scattering, it is easier to the sawtooth bearing of trend along lower sieve flow distribution plate 203 scatter.
If material sieves on the tail sheet 30 the most directly splashing to rear end without lower sieve punching sieve plate 202, can drop
Low sieve 20 clean effect；If containing bulky grains such as more clever bran, straw, stem and leaf in material
Thing, too much material sieves the tail sheet 30 the most directly splashing to rear end without lower sieve punching sieve plate 202
On can reduce tail sheet clean effect, cause cleaning the problems such as clean, grain is dirty.Based on this, can
With by longitudinally disposed for lower sieve flow distribution plate 203；Lower sieve flow distribution plate 203 is longitudinally disposed, is to instigate lower screening
The sawtooth bearing of trend of stream plate 203 is parallel with the compass screen surface of lower sieve punching sieve plate 202 and is parallel to material
Direction of transfer.
Tail sheet 30 is arranged on the rear end of lower sieve 20.Tail sheet 30 and lower sieve can be made by attachment structure
The rear end of 20 is fixing to be connected, it is also possible to arranges groove frame in the rear end of lower sieve 20, is engaged on by tail sheet 30
In the groove frame of lower sieve 20 rear end.As shown in Figure 6, in embodiments more of the present utility model, tail
Sieve 30 includes tail sheet frame 301 and the latticed screen cloth of the tail sheet being arranged on tail sheet frame 301 302.?
In preferred embodiment shown in Fig. 6, the latticed screen cloth of tail sheet 302 is fixed by the latticed screen cloth of tail sheet
Part 303 is fixed on the latticed screen cloth of tail sheet 302.The beneficial effect of the latticed screen cloth of tail sheet 302 with
Upper screen cloth trellis screen cloth 103 is similar to, and here is omitted.
Compared with prior art, this utility model can effectively solve the problem that compass screen surface loss is big, it is clean to clean,
Grain is dirty, compass screen surface bonds grain husk bran and the technical problems such as sieve aperture are cleaned in the blocking of paddy pockmarks.
Although this utility model being described with reference to illustrative embodiments, but it is to be understood that
This utility model is not limited in literary composition the detailed description of the invention describing in detail and illustrating, without departing from right
In the case of claim limited range, those skilled in the art can be to described illustrative embodiments
Make various change.
Claims (10)
1. the sorting screen for harvester, it is characterised in that including: upper sieve, lower sieve and tail sheet；
Wherein,
Described upper sieve is arranged in harvester cleaning room, including the upper screen cloth trellis screen cloth being arranged on rear end
With the upper sieve punching sieve plate being arranged on front end；
Described lower sieve is arranged on the lower section of described upper sieve, stays between compass screen surface and the described upper sieve of described lower sieve
There is gap；
Described tail sheet is arranged on the rear end of described lower sieve；
The compass screen surface of described upper sieve, described lower sieve and described tail sheet is planar shaped compass screen surface.
2. sorting screen as claimed in claim 1, it is characterised in that described upper sieve farther includes
Upper screen frame；Described upper sieve punching sieve plate is arranged on the front end of described upper screen frame, and described upper screen cloth trellis sieves
Net is arranged on the rear end of described upper screen frame.
3. sorting screen as claimed in claim 2, it is characterised in that described upper sieve punching sieve plate with
In described upper screen cloth trellis screen cloth is generally aligned in the same plane.
4. sorting screen as claimed in claim 2, it is characterised in that described upper sieve punching sieve plate
Upper end is provided with at least one sieves flow distribution plate.
5. sorting screen as claimed in claim 4, it is characterised in that the saw of described upper sieve flow distribution plate
Tooth bearing of trend is parallel with the compass screen surface of described upper sieve punching sieve plate and is parallel to material direction of transfer.
6. sorting screen as claimed in claim 1, it is characterised in that the front end of described lower sieve and institute
State the front end of sieve to flush or rearward.
7. sorting screen as claimed in claim 2, it is characterised in that described lower sieve includes: lower sieve
Frame and the lower sieve punching sieve plate being arranged on described lower screen frame.
8. sorting screen as claimed in claim 7, it is characterised in that described lower sieve punching sieve plate
Upper end is provided with under at least one and sieves flow distribution plate.
9. sorting screen as claimed in claim 8, it is characterised in that the saw of described lower sieve flow distribution plate
Tooth bearing of trend is parallel with the compass screen surface of described lower sieve punching sieve plate and is parallel to material direction of transfer.
10. sorting screen as claimed in claim 2, it is characterised in that described tail sheet include tail sheet frame,
With the latticed screen cloth of tail sheet being arranged on described tail sheet frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465623.0U CN205755558U (en) | 2016-05-19 | 2016-05-19 | A kind of sorting screen for harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620465623.0U CN205755558U (en) | 2016-05-19 | 2016-05-19 | A kind of sorting screen for harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205755558U true CN205755558U (en) | 2016-12-07 |
Family
ID=58117140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620465623.0U Active CN205755558U (en) | 2016-05-19 | 2016-05-19 | A kind of sorting screen for harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205755558U (en) |
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2016
- 2016-05-19 CN CN201620465623.0U patent/CN205755558U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.98, Songcheng Road, Kaifeng City, Henan Province Patentee after: Henan Zoomlion Intelligent Agricultural Machinery Co.,Ltd. Address before: No.98, Songcheng Road, Kaifeng City, Henan Province Patentee before: HENAN RICHUANG GENERAL MACHINERY MANUFACTURE Co.,Ltd. |