CN203748285U - Adjustable cleaning screen and combine harvester with same - Google Patents

Adjustable cleaning screen and combine harvester with same Download PDF

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Publication number
CN203748285U
CN203748285U CN201420100939.0U CN201420100939U CN203748285U CN 203748285 U CN203748285 U CN 203748285U CN 201420100939 U CN201420100939 U CN 201420100939U CN 203748285 U CN203748285 U CN 203748285U
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CN
China
Prior art keywords
sieve
screen
plate
sorting screen
grating
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Expired - Fee Related
Application number
CN201420100939.0U
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Chinese (zh)
Inventor
冯云云
柳中泉
钱菊平
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Xingguang Agricultural Machine Co Ltd
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Xingguang Agricultural Machine Co Ltd
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Priority to CN201420100939.0U priority Critical patent/CN203748285U/en
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Publication of CN203748285U publication Critical patent/CN203748285U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an adjustable cleaning screen. A screen piece set (422) of the cleaning screen (42) is composed of a screen piece fixed bar (422a), a fixed screen bar (422b), a movable screen bar (422c) and a screen piece movable bar (422d). The utility model further relates to a combine harvester comprising the cleaning screen. According to the adjustable cleaning screen and the combine harvester, the opening degree of a cleaning screen plate can be accurately adjusted without the need of an externally-arranged adjusting mechanism, the structure is simple, operation is convenient, and cleaning efficiency is improved.

Description

A kind of adjustable sorting screen and there is the combine of this sorting screen
Technical field
The utility model relates to a kind of sorting screen of combine, relate in particular to a kind of do not need to increase element just capable of regulating clean the sorting screen of plate.Relate to the combine that has comprised this kind of sieve simultaneously.
Background technology
Along with social progress and scientific and technological development, increasing plant equipment is applied in agricultural production, and combine is exactly wherein a kind of.Combine can once complete cereal harvesting, threshing, separated cane, remove the operations such as assorted excess, from field, directly obtain crops finished product or the semi-finished product of various correspondences.
In combine, conventionally all have cleaning plant, it screens the seed after threshing under blower fan and vibratory sieve effect, and tiny straw is discharged to dressing mechanism, and unloading mechanism is selected and sent into qualified seed.But existing combine is all in the inside of dressing mechanism or the special adjusting parts of outer setting, as CN202077421U and CN101933431A, side at combine body, corresponding to the position of cleaning sieve plate, be provided with in order to regulate the mechanism of the aperture of cleaning sieve plate, thereby adapt to the requirement of different work condition.But such structure has increased the complexity of device structure on the one hand, increased on the other hand the manufacturing cost of equipment.Simultaneously governor motion will regulate a plurality of apertures of cleaning sieve plate simultaneously, to wider width or a lot of cleaning plant of sheet number, not only reliability is difficult to guarantee, uniformity and accuracy are also difficult to be guaranteed.
In order to overcome above-mentioned deficiency, this area needs a kind of sorting screen of combine, and it is not only simple in structure, easy to operate, cost-saving, can guarantee cleaning efficiency simultaneously.
Summary of the invention
For addressing the above problem, the utility model proposes a kind of sorting screen of combine, it does not have the governor motion of peripheral hardware, the aperture of just can fine adjustment cleaning sieve plate, and simple in structure, easy to operate, heightened and cleaned effect, reduced the loss that stalk is carried seed secretly, reduced manufacturing process and the manufacturing cost of equipment simultaneously.
An adjustable sorting screen, the sieve group of described sorting screen comprises sieve fixed strip, fixedly grating, movable grating, sieve activity bar, and one end of wherein said fixedly grating is fixed on described sieve fixed strip, and the other end is fixed in described sieve activity bar; Described movable grating comprises grating main body and the sketch plate that is positioned at grating main body two ends, and described sketch plate upper end is provided with deep-slotted chip breaker, and bolt is fixed on described sieve fixed strip through described deep-slotted chip breaker, and the described sketch plate other end is connected with described sieve activity bar.
Preferred described sorting screen also comprises screen frame, sieve group, wire gauze sieve, umbrella head plate, by original text plate, eccentric shaft, sprocket wheel and eccentric block; Described sieve group comprises a plurality of sieves that are arranged on screen frame; Wire gauze sieve is positioned at the below of screen frame bottom, sieve group; Umbrella head plate is also arranged on the outside of base of frame, nestles up wire gauze sieve one end; By original text plate, be arranged between the inner side of screen frame two side, near sieve group afterbody; Eccentric shaft is near the bottom of sieve group tail end and arrange; Sprocket wheel is arranged on the axle head of eccentric shaft, and eccentric block is arranged on sprocket wheel, by chain wheel drive.
Preferably screen frame is comprised of framework, upper and lower corrugated plating and wind deflector; Described upper corrugated plating is arranged between two walls inner sides of framework, be positioned at the front portion of sieve plate group; Lower corrugated plating is arranged between two walls inner sides of framework, the other end near wire gauze sieve in contrast to umbrella head plate; This lower corrugated plating is positioned at corrugated plating below near a side of wire gauze sieve simultaneously; Wire gauze sieve is also arranged between two wall inner sides of framework, the position of the bottom of sorting screen, close lower corrugated plating.
The driving mechanism being preferably comprised of described sprocket wheel, eccentric shaft and eccentric block, replaceable is cam structure.
Preferably fixedly grating and/or portable screen strip adoption engineering plastic materials are made.
Preferably the grating main body of movable grating and sketch plate are by being welded to connect.
A combine, it has above-mentioned adjustable sorting screen
Arrangement of the present utility model has been realized without the just effect of capable of regulating sieve aperture of peripheral hardware adjustment component, simple to operate, as long as unclamp the bolt on both sides, just can regulate the gap of cleaning plate.Reduce cost simultaneously, reduced functional unit.Screen plate gap is adjustable, has heightened and has cleaned effect, reduces the loss that stalk is carried seed secretly.
Accompanying drawing explanation
Fig. 1 is combine complete machine schematic side view.
Fig. 2 is combine complete machine schematic top plan view.
Fig. 3 is ceding of Taiwan schematic side view.
Fig. 4 is feeding conveyer structural representation.
Fig. 5 is sheller unit structural representation.
Fig. 6 is grain cleaning apparatus structure schematic diagram.
Fig. 7 is stalk smashing apparatus structural representation.
Fig. 8 is discharge mechanism schematic side view.
Fig. 9 is running gear schematic side view.
Figure 10 is for being equipped with the utility model combine body rearview (omitting the ceding of Taiwan and intermediate input device).
Figure 11 is the structural representation of the adjustable sorting screen of the utility model.
Figure 12 is sieve group schematic diagram in the adjustable sorting screen of the utility model.
Figure 13 is the scheme of installation of movable grating in the adjustable sorting screen of the utility model.
Embodiment
Referring to accompanying drawing 1,2, combine integral body can be divided into the ceding of Taiwan 1, feeding conveyer 2, installed threshing separator 3, grain cleaning machine 4, pulverizes grass arranging device 5, collect grain discharge mechanism 6, running gear 7 and other servicing unit 8.
Referring to accompanying drawing 2, 3, the ceding of Taiwan 1 is for stirring paddy rice, crops such as (little) wheat greatly, and straw bottom is cut off, make the crops of cutting off pour combine into, gathered and be delivered to feeding mouth, it mainly comprises header frame 11, straw shift wheel 12, cutter 13, cutting table auger 14, nearside divider 15 and ceding of Taiwan transmission 16, header frame is as the body frame of the ceding of Taiwan, support each functional part of the whole ceding of Taiwan, by left and right sidesing wall plate, ceding of Taiwan base plate, cutter beam, lower and upper cross-member forms, straw shift wheel is by paddy rice, the crop such as (little) wheat is allocated to the ceding of Taiwan greatly, be convenient to cutter cuts, straw shift wheel is by dialling straw, width dish, rice crop-poking wheel axis, eccentric adjusting, straw shift wheel power transmission shaft, antiwind cap, tensioning combination, adjustable straps wheel, straw shift wheel strut forms, width dish is arranged on rice crop-poking wheel axis two ends, width dish circumference is provided with dials straw, left side is provided with antiwind cap, right side is provided with semi-disc, and straw shift wheel power transmission shaft is housed in straw shift wheel strut, and adjustable straps wheel is equipped with on straw shift wheel power transmission shaft right side, the transmission of straw shift wheel is by tensioning combination tensioning, cutter, for the crop straw bottoms such as paddy rice, large (little) wheat are cut off, is convenient to crop can feed, by moving knife bar, guard, pressuring blade device, cutter beam, help fortune plate to form, cutter is arranged on ceding of Taiwan front beam, blade is installed on moving knife bar and helps fortune plate, moving knife bar is arranged in guard, pressuring blade device is pushed down moving knife bar, guard is arranged on cutter beam, cutting table auger is used for paddy rice, the crop such as (little) wheat is gathered and is delivered to feeding mouth under screw feeder effect greatly, by cutting table auger axle, screw feeder door closure, screw feeder cylindrical shell, height adjustment mechanism, eccentric adjustable mechanism, the compositions such as telescoping mechanism, screw feeder door closure is arranged on screw feeder cylindrical shell maintenance installing port, cutting table auger axle is arranged in screw feeder cylindrical shell, height adjustment mechanism is arranged on a ceding of Taiwan left side, right wallboard outside, eccentric adjustable mechanism is arranged on ceding of Taiwan right side, connect screw conveyor shaft right-hand member, telescoping mechanism is arranged in screw feeder cylindrical shell, connect screw conveyor shaft, screw feeder door closure position, nearside divider is for by crop to be cut with do not cut crop and separate, by interior minute straw, divide straw and straw separating plate to form outward, an interior minute straw is arranged on straw separating plate ceding of Taiwan inner side, divides straw to be arranged on straw separating plate ceding of Taiwan outside outward, ceding of Taiwan transmission is for sending power to connecting rod by passing a bridge, and connecting rod swings fork by eccentric wheel, finally drives cutter to do left and right and moves back and forth, and fork (swinging-ring mechanism), connecting rod and gap bridge etc., consists of, connecting rod top chock position is connected with the eccentric block on passing a bridge, and its other end forward, is connected with fork.
Straw shift wheel 12 is arranged on the entablature of header frame 11, cutter 13 is arranged on the front beam of header frame 11, nearside divider 15 is arranged on the front side of the left and right sidesing wall plate of header frame 11, cutting table auger 14 is arranged on the centre of header frame 11 left and right sidesing wall plates, and ceding of Taiwan transmission 16 is positioned at outside and the left rear side of header frame 11 left wallboards.
Referring to accompanying drawing 4, feeding conveyer 2 can be called delivery chute again, and for crops being delivered to the threshing separating opening of combine, it mainly comprises carrier chain 21, drive roll 22, passive cylinder 23, delivery chute 24.Carrier chain, for by chain-driving scraper plate, cutting table auger being delivered to and carrying the crop of notch to be delivered to delivery chute and threshing frame connecting portion, is comprised of chain, scraper plate, and scraper plate bending is arranged on chain dorsad; Drive roll is by carrying driving shaft input power, and by transmission of power to carrier chain, by carrying driving shaft, anti-tangle half cover etc. to form; Output driving shaft is through two bearing blocks at delivery chute rear portion, and two anti-tangle half covers hold output driving shaft and are positioned at delivery chute two wallboard inner sides; Passive cylinder regulates by governor motion, and its position in delivery chute is changed, thereby reaches the effect of tensioning carrier chain, driven axle, passive cylindrical shell, adjusting strainer etc., consists of; Passive cylinder is by driven axle through passive cylindrical shell, and two side arms are installed in driven axle both sides, regulates strainer to be arranged on delivery chute entrance point, and is fixed on delivery chute left and right sidesing wall plate inwall; Delivery chute is used for connecting the ceding of Taiwan and threshing unit, and crop is transported to threshing portion from ceding of Taiwan feeding mouth, and carries the whole ceding of Taiwan and self, by carrying cell body and cover plate etc. to form; Carry cell body to be formed by left and right sidesing wall plate and four critical piece seam of upper and lower bottom plate, and by two cover plates difference former and later two positions of base plate mounted thereto.
Carrier chain 21 is arranged in delivery chute 24, and drive roll 22 is arranged on the top of delivery chute 24 left and right sidesing wall plates, and passive cylinder 23 is supported on delivery chute 24 belows by left and right side arm.
Known referring to accompanying drawing 5, installed threshing separator 3 comprises feeding cylinder 31, threshing cylinder 32, top cover 33, bolter 34, threshing transmission case 35, threshing frame 36, feeding cylinder is sent into threshing cylinder for the crop that delivery chute transportation is come, and by cone cylinder, helical blade seam, is formed; Feeding cylinder is arranged on threshing cylinder front end near ceding of Taiwan delivery chute, and helical blade is distributed on the circumference of cone cylinder; Threshing cylinder, for feeding cylinder being carried the crop of coming make seed and stalk depart under the effect of rotation, is comprised of width dish, threshing toothed bar, anti-tangle disk and drum spindle; Threshing cylinder is arranged between the forward and backward wallboard of threshing upper spider, connects feeding cylinder, and anti-tangle disk is arranged on the two ends of drum spindle, the middle width dish of installing, and width dish circumference is provided with threshing toothed bar; Top cover is used for sealing threshing cylinder, prevent from shedding, the grass guide board that is installed on top cover plays the effect of guiding crop, and crop is carried smoothly backward, play the effect that changes crop guiding speed simultaneously, by grass guide board, gas strut, wearing plate, lid, linkage and governor motion etc., formed; Wearing plate is arranged on the lid portion inside left and right sides, and it is upper that grass guide board is arranged on lid portion inside top, and it is upper that governor motion is arranged on the outside top of lid, and gas strut is arranged on the outside rear of lid, and linkage is arranged on lid outer left side; Bolter, for auxiliary cylinder threshing, makes seed separated with stalk simultaneously, longitudinal grating, arc grating etc., consists of; Longitudinally grating, the zigzag weld of arc grating are closed and are formed, and are installed on threshing cylinder below; Threshing transmission case is for transferring power, and transmission rotating speed, changes direction, when crop is stopped up, can allow delivery chute reverse, and spues in time, casing, power shaft, bevel gear, link gear, splined shaft, inversion axis etc., consists of; Power shaft is arranged on the left side of casing, and inversion axis is arranged on the right side of casing, and link gear is arranged on inversion axis, in the middle of bevel gear, splined shaft are arranged on.
Threshing transmission case 35 is arranged on the place ahead of threshing frame 36; feeding cylinder 31 is connected with threshing cylinder 32; be arranged in the middle of threshing frame 36 front and back wallboards; top cover 33 is arranged on the top of feeding cylinder 31 and threshing cylinder 32; bolter 34 is arranged on feeding cylinder 31 and threshing cylinder 32 belows, and threshing cylinder 32 axles are connected with threshing transmission case 35.When work; by threshing transmission case 35, drive 31 feedings of the crops by threshing separating opening of feeding cylinder to the threshing cylinder 32 rotating; threshing transmission case 35 drives threshing cylinder 32 rotations to hit seed; make seed threshing, seed or short stalk; under the cooperation of top cover 33 and bolter 34; by bolter 34, drop in grain cleaning; realized the separated of crop kernel and assorted remaining and straw; and straw is discharged to threshing frame 36; make seed and assorted remaining free-falling under Action of Gravity Field, long stalk leads by the grass guide board on top cover 33 the Lysimachia sikokiana portion that pulverizes.
As shown in Figure 6, grain cleaning machine 4 mainly comprises cleans frame 46, cleaning fan 41, vibratory sieve 42, collector 43, conveying screw feeder 44, intermediate transmission 45, cleaning fan produces wind-force and makes cereal, carries out separation more than assorted, stalk is blown out outside body, by spiral case, impeller, fan shaft, floating idler pulley, wind direction board etc., formed; Impeller is housed on fan shaft, and impeller is arranged in spiral case, and floating idler pulley is arranged on the left side of fan shaft, and wind direction board is arranged on air outlet the place ahead; Used by oscillating screen is in vibrate separation by seed, more than assorted, by screen frame, sieve, wire gauze sieve, form by original text plate, eccentric shaft, sprocket wheel, eccentric block etc.; Sieve is arranged in screen frame, by original text plate, is welded on screen frame the place ahead, and wire gauze sieve is arranged on screen frame bottom, and eccentric shaft is arranged on the rear of screen frame, and sprocket wheel is arranged on the left side of eccentric shaft, and eccentric block is arranged on sprocket wheel; The seed after cleaning is cleaned, vibrated to collector for collecting wind-force, grain sliding plate, recovery plate etc., consists of; Grain sliding plate is arranged on the front lower place of bolter, reclaims the below that plate is arranged on vibratory sieve; Carry screw feeder for the seed of collection being delivered to collection tanker or seed being shed to cleaning and realized secondary de-cleaning again in frame, by carrying screw feeder, rethreshing device, bevel gear box, de-screw feeder etc. forms again; Carry screw feeder to be arranged in collector, de-screw feeder is arranged in rethreshing device again, and bevel gear box is arranged on the right lateral side of carrying screw feeder; Intermediate transmission, for by the power transmission output of diesel engine output, is comprised of input unit, output device, jackshaft, tensioning apparatus etc.; Input unit is arranged on the right side of jackshaft, and output device is arranged on the left side of jackshaft, and tensioning apparatus is arranged on the rear of output device; Clean the whole dressing mechanism of rack support, be convenient to the maintenance of dressing mechanism, by upper frame, access panel etc., formed; The place ahead in upper frame inside, access panel is positioned on upper frame left and right sidesing wall plate.
From accompanying drawing 1,2,7, pulverizing grass arranging device 5 mainly comprises pulverizing frame 51, crushing rotary drum 52, pulverizes transmission 53, disperser 54, cracker is erected the effect of supporting whole pulverizing Lysimachia sikokiana and protective cover, by pulverizing frame, linkage, stationary knife seat etc., forms; Linkage is arranged on the left side of pulverizing frame, and stationary knife seat is arranged on to be pulverized in frame; Crushing rotary drum, by the rotation of self, by stalks cutting, is comprised of crushing knife, drum shaft, cylindrical shell, anti-tangle circle etc.; Drum shaft is arranged in cylindrical shell, and crushing knife is arranged on cylindrical shell, and anti-tangle circle is arranged on cylindrical shell both sides; Pulverize transmission by come from clean part output transmission of power to crushing rotary drum, by input unit, tensioning apparatus etc., formed; Input unit is positioned at threshing frame left rear side, and tensioning apparatus is positioned at the place ahead, crushing rotary drum left side; Disperser is by the crops straw crushing, and diffusion orient, to specified path, is comprised of diffuser plate, governor motion; Governor motion is arranged on to be pulverized in frame, crushing rotary drum below, and diffuser plate is arranged on pulverizing frame inner wall.
Crushing rotary drum 52 is arranged on pulverizes frame 51 left and right sidesing wall plate inner sides, and disperser 54 is arranged on the below of crushing rotary drum 52, pulverizes transmission 53 and connects crushing rotary drum 52 and power driving part.When work, pulverize transmission 53 power is passed to crushing rotary drum 52, crushing rotary drum 52 is rotated, the straw separated by threshing, grain cleaning is discharged, assorted remainder drop down onto pulverizes frame 51, be arranged on being crushed to pulverizing stationary knife seat in frame on crushing rotary drum 52 stalk is shredded, along disperser 54, stalk is scattered to field uniformly.
As shown in accompanying drawing 2,8, collection grain discharge mechanism 6 mainly comprises tanker 61, unloading screw conveyor 62, grain-unloading driving case 63, tanker is collected the seed that grain cleaning is come, horizontal screw conveyor by grain bin bottom is transported to unloading screw conveyor, tanker housing, horizontal screw conveyor, locking device, tanker slewing equipment, dispersion swing mechanism etc., consists of; Horizontal screw conveyor is arranged on tanker enclosure interior below, disperses swing mechanism to be arranged on horizontal screw conveyor top in tanker housing, and tanker slewing equipment is arranged on tanker housing rear side, and locking device is arranged on tanker housing front side; Unloading screw conveyor carries the seed of coming to carry and be expelled to assigned address horizontal screw conveyor in tanker, screw feeder cylindrical shell, screw feeder revolving bed, elevator screw feeder, reverse box etc., consists of; Elevator screw feeder is arranged in screw feeder cylindrical shell, and screw feeder revolving bed is arranged on screw feeder cylindrical shell below, and reverse box is arranged on horizontal screw conveyor junction in screw feeder cylinder body bottom and tanker; Grain-unloading driving case to horizontal screw conveyor in tanker and unloading screw conveyor, reaches the object of unloading by the transmission of power of engine, casing, eccentric bushing, vibrating mechanism, power shaft, output shaft etc., consists of; Power shaft is arranged in casing towards a left side, and output shaft is arranged in casing backwards, and eccentric bushing is arranged in tanker and is connected by spline housing with output shaft, and vibrating mechanism is arranged on eccentric bushing.
Grain-unloading driving case 63 is arranged on tanker 61 lower ends, front side, is connected with the horizontal screw conveyor in tanker 61, and unloading screw conveyor 62 is arranged on tanker 61 rear side lower ends, is connected with the interior horizontal screw conveyor of tanker 61.Tanker 61 stores the grain in elevator screw feeder in unloading screw conveyor 62, by grain-unloading driving case 63 by transmission of power to the horizontal screw conveyor in tanker 61, the cereal in tanker 61 is transported to unloading screw conveyor 62, and is delivered to appointed place by unloading screw conveyor 62.
As visible in accompanying drawing 2,9, other servicing unit 8 mainly comprises protective cover 81 and illuminator 82, wherein protective cover 81 comprises ceding of Taiwan protective cover, delivery chute case, thresher case, separator case, cylinder rear casing, unloading protective plate 816, straw outlet case etc., for operator and machine are played a protective role; Illuminator 82 allows operator can carry out at night the normal operating of combine, and indicates the width of combine machine.
Running gear 7 mainly comprises chassis main frame 71, walking wheel 72, dynamical system 73, hydraulic system 74, electrical system 76, operation bench 75, walking wheel 72 is arranged on the Zhi Chongliang of chassis main frame 71, diesel engine in dynamical system 73 is arranged on the front beam and middle cross beam of chassis main frame 71, gearbox in dynamical system 73 is arranged on the supporting base of chassis main frame 71, silencer in dynamical system 73 is arranged on the middle below of chassis main frame 71, hydraulic system 74 and operation bench 75 are arranged on chassis main frame 71 front ends, wherein chassis main frame 71, walking wheel 72 and operation bench 75 major parts are made by Q235-A, sprocket wheel is 45 forged steel.
Referring to Figure 10-13, be a preferred embodiment of the present utility model, wherein: sorting screen 42 comprises screen frame 421, sieve group 422, wire gauze sieve 423, umbrella head plate 428, by original text plate 424, eccentric shaft 425, sprocket wheel 426 and eccentric block 427.
Sieve group 422 comprises a plurality of sieves that are arranged on screen frame 421.Wire gauze sieve 423 is positioned at the below of screen frame 422 bottoms, sieve group 422.Umbrella head plate 428 is also arranged on the outside of framework 422 bottoms, nestles up wire gauze sieve 423 one end, in order to process installation rubber slab, stops that the stalk of 42 second half sections of sorting screen enters conveying screw feeder 441.By original text plate 424, be arranged between the inner side of screen frame 421 two sides, near sieve group 422 afterbodys, thereby the stalk that drops on 42 second half sections of sorting screen to carrying out bolter 34 stops, prevents that too much stalk from entering again de-screw feeder 444, thereby causes again de-screw feeder 444 to stop up.Eccentric shaft 425 is near the bottom of sieve group 422 tail ends and arrange.Sprocket wheel 426 is arranged on the axle head of eccentric shaft 425.And eccentric block 427 is arranged on sprocket wheel 426, by sprocket wheel 426, driven.
When sorting screen 42 carries out work, power source (not shown) drive sprocket 426 is rotated, and sprocket wheel 426 drives eccentric shaft 425 to rotate, and will rotatablely move and be converted into reciprocating motion simultaneously.The eccentric block 427 of simultaneously installing on sprocket wheel 426, makes the speed of rising slack-off, and the speed of decline accelerates, thereby makes sorting screen 42 produce shake up and down, and the crop that bolter 34 is fallen is cleaned.
According to another optimal way of the present utility model, the driving mechanism that described sprocket wheel 426, eccentric shaft 425 and eccentric block 427 form, also can replace with cam structure.
Screen frame 421 is comprised of framework 421a, upper and lower corrugated plating, wind deflector 421c.
Upper corrugated plating 421b1 is arranged between the two walls inner sides of framework 421a, be positioned at the front portion of sieve plate group 422.Lower corrugated plating 421b2 is arranged between the two walls inner sides of framework 421a, the other end near wire gauze sieve 423 in contrast to umbrella head plate 428.This lower corrugated plating 421b2 is positioned at corrugated plating 421b1 below near a side of wire gauze sieve simultaneously.Wire gauze sieve 423 is also arranged between the two wall inner sides of framework 421a, the position of the bottom of sorting screen, close lower corrugated plating 421b2.
By the visible sieve group 422 in Figure 12-13 by sieve fixed strip 422a, fixedly grating 422b, movable grating 422c, sieve activity bar 422d and holder 422e form.
Holder 422e is arranged on sieve fixed strip 422a.Fixedly grating 422b one end is arranged on sieve fixed strip 422a above, and the other end is arranged on sieve activity bar 422d.The sketch plate 422c1 that movable grating 422c comprises grating main body and is positioned at grating main body two ends, described sketch plate upper end is provided with deep-slotted chip breaker 422c11, bolt is fixed on sketch plate 422c1 one end on sieve fixed strip 422a through described deep-slotted chip breaker 422c11, sketch plate 422c1 can swing along set deep-slotted chip breaker 422c11 simultaneously, the sketch plate 422c1 other end is connected with sieve activity bar 422d, thereby in work when needing to adjust sieve aperture, slip sketch plate 422c1, sketch plate 422c1 moves along deep-slotted chip breaker 422c11 under the restriction of deep-slotted chip breaker 422c11, then drive sieve activity bar 422d to move left and right, the motion of movable mounting bar 422b drives gravity flow screen bar 422d interlock, thereby realize the adjustment of opening.
According to a preferred embodiment of the present utility model, the grating main body of movable grating 422c is connected by welding manner with sketch plate.
According to another preferred embodiment of the present utility model, fixedly grating and/or movable grating can adopt engineering plastic materials to make.
The above; it is only preferably embodiment of the utility model patent; but the protection domain of the utility model patent is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model patent discloses; the variation that can expect easily or replacement, within all should being encompassed in the protection domain of the utility model patent.

Claims (8)

1. an adjustable sorting screen, the sieve group that it is characterized in that described sorting screen comprises sieve fixed strip, fixedly grating, movable grating, sieve activity bar, one end of wherein said fixedly grating is fixed on described sieve fixed strip, and the other end is fixed in described sieve activity bar; Described movable grating comprises grating main body and the sketch plate that is positioned at grating main body two ends, and described sketch plate upper end is provided with deep-slotted chip breaker, and bolt is fixed on described sieve fixed strip through described deep-slotted chip breaker, and the described sketch plate other end is connected with described sieve activity bar.
2. a kind of adjustable sorting screen as claimed in claim 1, is characterized in that, described sorting screen also comprises screen frame, sieve group, wire gauze sieve, umbrella head plate, by original text plate, eccentric shaft, sprocket wheel and eccentric block; Described sieve group comprises a plurality of sieves that are arranged on screen frame; Wire gauze sieve is positioned at the below of screen frame bottom, sieve group; Umbrella head plate is arranged on the outside of base of frame, nestles up wire gauze sieve one end; By original text plate, be arranged between the inner side of screen frame two side, near sieve group afterbody; Eccentric shaft is near the bottom of sieve group tail end and arrange; Sprocket wheel is arranged on the axle head of eccentric shaft, and eccentric block is arranged on sprocket wheel, by chain wheel drive.
3. a kind of adjustable sorting screen as claimed in claim 2, is characterized in that, described screen frame is comprised of framework, upper corrugated plating, lower corrugated plating and wind deflector; Described upper corrugated plating is arranged between two walls inner sides of framework, be positioned at the front portion of sieve plate group; Lower corrugated plating is arranged between two walls inner sides of framework, the other end near wire gauze sieve in contrast to umbrella head plate; This lower corrugated plating is positioned at corrugated plating below near a side of wire gauze sieve; Wire gauze sieve is arranged between two wall inner sides of framework, the position of the bottom of sorting screen, close lower corrugated plating.
4. a kind of adjustable sorting screen as claimed in claim 3, is characterized in that, consists of the driving mechanism of adjustable sorting screen described sprocket wheel, eccentric shaft and eccentric block.
5. a kind of adjustable sorting screen as claimed in claim 1, is characterized in that, uses cam mechanism as the driving mechanism of adjustable sorting screen.
6. a kind of adjustable sorting screen as claimed in claim 4, is characterized in that, fixedly grating and/or portable screen strip adoption engineering plastic materials are made.
7. a kind of adjustable sorting screen as claimed in claim 5, is characterized in that, the grating main body of movable grating and sketch plate are by being welded to connect.
8. a combine, it has the adjustable sorting screen as described in as arbitrary in claim 1-7.
CN201420100939.0U 2014-03-06 2014-03-06 Adjustable cleaning screen and combine harvester with same Expired - Fee Related CN203748285U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103814708A (en) * 2014-03-06 2014-05-28 星光农机股份有限公司 Adjustable type cleaning sieve and combine harvester with cleaning sieve
CN104838792A (en) * 2015-02-02 2015-08-19 星光农机股份有限公司 Screen piece of vibration screen and vibration screen
CN106134648A (en) * 2016-08-30 2016-11-23 星光农机股份有限公司 A kind of sorting screen and united reaper
WO2018053897A1 (en) * 2016-09-26 2018-03-29 江苏大学 Combine harvester capable of adaptive adjustment, and adaptive adjustment method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103814708A (en) * 2014-03-06 2014-05-28 星光农机股份有限公司 Adjustable type cleaning sieve and combine harvester with cleaning sieve
CN103814708B (en) * 2014-03-06 2016-01-20 星光农机股份有限公司 A kind of adjustable sorting screen and there is the combine of this sorting screen
CN104838792A (en) * 2015-02-02 2015-08-19 星光农机股份有限公司 Screen piece of vibration screen and vibration screen
CN106134648A (en) * 2016-08-30 2016-11-23 星光农机股份有限公司 A kind of sorting screen and united reaper
CN106134648B (en) * 2016-08-30 2018-06-15 星光农机股份有限公司 A kind of sorting screen and combine harvester
WO2018053897A1 (en) * 2016-09-26 2018-03-29 江苏大学 Combine harvester capable of adaptive adjustment, and adaptive adjustment method

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