CN103814708B - A kind of adjustable sorting screen and there is the combine of this sorting screen - Google Patents
A kind of adjustable sorting screen and there is the combine of this sorting screen Download PDFInfo
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- CN103814708B CN103814708B CN201410081446.1A CN201410081446A CN103814708B CN 103814708 B CN103814708 B CN 103814708B CN 201410081446 A CN201410081446 A CN 201410081446A CN 103814708 B CN103814708 B CN 103814708B
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- 230000000694 effects Effects 0.000 claims abstract description 21
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- 229920006351 engineering plastic Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 18
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000010902 straw Substances 0.000 description 27
- 230000005540 biological transmission Effects 0.000 description 25
- 235000013339 cereals Nutrition 0.000 description 15
- 238000005520 cutting process Methods 0.000 description 8
- 244000025254 Cannabis sativa Species 0.000 description 6
- 241000209094 Oryza Species 0.000 description 6
- 235000007164 Oryza sativa Nutrition 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000010298 pulverizing process Methods 0.000 description 6
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- 241000196324 Embryophyta Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 241000604017 Lysimachia sikokiana Species 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
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- 230000002146 bilateral effect Effects 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
Abstract
A kind of adjustable sorting screen, the sieve group (422) of this sorting screen (42) is by sieve fixed strip (422a), fixing grating (422b), movable grating (422c), sieve activity bar (422d) and form.The invention still further relates to the combine comprising this sorting screen.The present invention, without the need to the governor motion of peripheral hardware, just can clean the aperture of sieve plate by fine adjustment, and structure is simple, easy to operate, improves cleaning efficiency.
Description
Technical field
The present invention relates to a kind of sorting screen of combine, particularly relate to a kind of do not need increase element just adjustable clean the sorting screen of plate.Relate to the combine including this kind of sieve simultaneously.
Background technology
Along with the progress of society and the development of science and technology, increasing plant equipment is applied in agricultural production, and combine is exactly one wherein.Combine once can complete the operation such as harvesting, threshing, separation cane, the assorted excess of removing of cereal, directly obtains crops finished product or the semi-finished product of various correspondence from field.
Usually all have cleaning plant in combine, it screens the seed after threshing under blower fan and vibratory sieve effect, tiny straw is discharged dressing mechanism, is selected by qualified seed and send into unloading mechanism.But existing combine is all at the inside of dressing mechanism or the special adjustment member of outer setting, as CN202077421U and CN101933431A, in the side of combine body, corresponding to the position of cleaning sieve plate, be provided with in order to regulate the mechanism of cleaning the aperture of sieve plate, thus adapt to the requirement of different work condition.But such structure adds the complexity of device structure on the one hand, adds the manufacturing cost of equipment on the other hand.Simultaneously governor motion will regulate multiple aperture of cleaning sieve plate simultaneously, to wider width or a lot of cleaning plant of sheet number, not only reliability is difficult to ensure, 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 not only structure is simple, easy to operate, cost-saving for it, can ensure cleaning efficiency simultaneously.
Summary of the invention
For solving the problem, the present invention proposes a kind of sorting screen of combine, it does not have the governor motion of peripheral hardware, just the aperture of sieve plate can be cleaned by fine adjustment, and structure is simple, easy to operate, heighten and cleaned effect, reduced the loss that stalk carries seed secretly, reduce manufacturing process and the manufacturing cost of equipment simultaneously.
A kind of adjustable sorting screen, the sieve group of described sorting screen comprises sieve fixed strip, fixing grating, movable grating, sieve activity bar, and one end of wherein said fixing 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 is positioned at the sketch plate 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 comprise 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 the multiple sieves be arranged on screen frame; Wire gauze sieve is positioned at bottom screen frame, the below of sieve group; Umbrella head plate is also arranged on the outside of base of frame, nestles up wire gauze sieve one end; Between the inner side being arranged on screen frame two side by original text plate, near sieve group afterbody; Eccentric shaft is arranged near the bottom of sieve group tail end; 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 made up of framework, upper and lower corrugated plating and wind deflector; Between inside two walls that described upper corrugated plating is arranged on framework, be positioned at the front portion of sieve plate group; Between inside two walls that lower corrugated plating is arranged on framework, near the other end of wire gauze sieve in contrast to umbrella head plate; This lower corrugated plating is positioned at the side near wire gauze sieve below corrugated plating simultaneously; Between inside two walls that wire gauze sieve is also arranged on framework, the bottom of sorting screen, the position near lower corrugated plating.
The driving mechanism be preferably made up of described sprocket wheel, eccentric shaft and eccentric block, can be replaced cam structure.
Preferably fix grating and/or portable screen strip adoption engineering plastic materials is made.
Preferably the grating main body of movable grating and sketch plate are by being welded to connect.
A kind of combine, it has above-mentioned adjustable sorting screen
Arrangement of the present invention achieves the effect without peripheral hardware adjustment component just adjustable sieve aperture, simple to operate, as long as the bolt unclamping both sides just can regulate the gap of cleaning plate.Reduce cost simultaneously, decrease functional unit.Screen plate gap is adjustable, has heightened and has cleaned effect, reduces the loss that stalk carries 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 combine body rearview of the present invention (omitting the ceding of Taiwan and intermediate input device).
Figure 11 is the structural representation of the adjustable sorting screen of the present invention.
Figure 12 is sieve group schematic diagram in the adjustable sorting screen of the present invention.
Figure 13 is the scheme of installation of movable grating in the adjustable sorting screen of the present invention.
Embodiment
See accompanying drawing 1,2, combine entirety 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.
See accompanying drawing 2, 3, the ceding of Taiwan 1 is for stirring paddy rice, the crops such as (little) wheat greatly, and cut off bottom straw, the crops of cut-out are made to 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 is combined, adjustable straps is taken turns, 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 strut, built with straw shift wheel power transmission shaft, is equipped with adjustable straps wheel on the right side of straw shift wheel power transmission shaft, the transmission of straw shift wheel is by tensioning combination tensioning, cutter is used for cutting off bottom the crop straws such as paddy rice, large (little) wheat, and being convenient to crop can feed, and by moving knife bar, guard, pressuring blade device, cutter beam, helps fortune plate to form, cutter is arranged on ceding of Taiwan front beam, moving knife bar be provided with blade and help fortune plate, moving knife bar is arranged in guard, pressuring blade device pushes 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, outside right wallboard, eccentric adjustable mechanism is arranged on the right side of the ceding of Taiwan, 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 used for crop to be cut and does not cut crop separately, is made up of interior point of straw, outer point straw and straw separating plate, an interior point straw is arranged on inside the straw separating plate ceding of Taiwan, and an outer point straw is arranged on outside the straw separating plate ceding of Taiwan, ceding of Taiwan transmission is used for sending power to connecting rod by gap bridge, and connecting rod makes fork swing by eccentric wheel, finally drives cutter to make bilateral reciprocation, is made up of fork (swinging-ring mechanism), connecting rod and gap bridge etc., 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 plate, and ceding of Taiwan transmission 16 is positioned at outside and the left rear side of the left wallboard of header frame 11.
See 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.The crop that carrier chain is used for being delivered to by cutting table auger by chain-driving scraper plate conveying notch is delivered to delivery chute and threshing frame connecting portion, and be made up of chain, scraper plate, scraper plate bending is arranged on chain dorsad; Drive roll by conveying driving shaft input power, and by transmission of power to carrier chain, is made up of conveying driving shaft, anti-tangle half cover etc.; Export two bearing blocks of driving shaft through delivery chute rear portion, two anti-tangle half covers hold and export driving shaft and be positioned at inside delivery chute two wallboard; Passive cylinder is regulated by governor motion, its position in delivery chute is changed, thus reaches the effect of tensioning carrier chain, by driven axle, passive cylindrical shell, regulates strainer etc. to form; 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; Crop, for connecting the ceding of Taiwan and threshing unit, is transported to threshing portion from ceding of Taiwan feeding mouth by delivery chute, and carry the whole ceding of Taiwan and self, by conveying cell body and cover plate etc. form; Conveying cell body is formed by left and right sidesing wall plate and upper and lower bottom plate four critical piece seam, and by two cover plates former and later two positions of base plate mounted thereto respectively.
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 plate, and passive cylinder 23 is supported on below delivery chute 24 by left and right side arm.
Known see 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 used for delivery chute being transported the crop of coming and sends into threshing cylinder, is formed by cone cylinder, helical blade seam; Feeding cylinder is arranged on threshing cylinder front end near ceding of Taiwan delivery chute, and helical blade is distributed on cone cylinder circumferentially; Threshing cylinder is used for being carried by feeding cylinder the crop of coming under the effect rotated, make seed and stalk depart from, and is made up 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, and connect feeding cylinder, anti-tangle disk is arranged on the two ends of drum spindle, middle installation width dish, and width dish circumference is provided with threshing toothed bar; Top cover is used for closing threshing cylinder, prevent from shedding, the grass guide board being installed on top cover plays the effect of guiding crop, and crop is carried smoothly backward, play the effect changing crop guiding speed simultaneously, be made up of grass guide board, gas strut, wearing plate, lid, linkage and governor motion etc.; Wearing plate is arranged on the lid portion inside left and right sides, and grass guide board is arranged on lid portion inside top, and governor motion is arranged on lid portion outside top, and gas strut is arranged on lid portion outside rear, and linkage is arranged on lid portion outside left side; Bolter is used for auxiliary cylinder threshing, makes seed be separated with stalk simultaneously, is made up of longitudinal grating, arc grating etc.; Longitudinal grating, the zigzag weld of arc grating close and form, and are installed on below threshing cylinder; Threshing transmission case is used for transferring power, transmission rotating speed, changes direction, when crop blocks, delivery chute can be allowed to reverse, spue in time, be made up of casing, power shaft, bevel gear, link gear, splined shaft, inversion axis etc.; 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, and bevel gear, splined shaft are arranged on centre.
Threshing transmission case 35 is arranged on the front of threshing frame 36; feeding cylinder 31 is connected with threshing cylinder 32; to be arranged on before and after threshing frame 36 in the middle of wallboard; top cover 33 is arranged on the top of feeding cylinder 31 and threshing cylinder 32; bolter 34 is arranged on below feeding cylinder 31 and threshing cylinder 32, and threshing cylinder 32 axle is connected with threshing transmission case 35.Operationally; feeding cylinder 31 is driven the crops of threshing separating opening to be fed the threshing cylinder 32 extremely rotated by threshing transmission case 35; threshing transmission case 35 drives threshing cylinder 32 to rotate and hits seed; make seed threshing, seed or short stalk; under coordinate of top cover 33 with bolter 34; drop in grain cleaning by bolter 34; achieve crop kernel and assorted remaining being separated with straw; and straw is discharged threshing frame 36; free-falling under gravity more than making seed and mixing, long stalk is led by the grass guide board on top cover 33 and is pulverized Lysimachia sikokiana portion.
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 produce wind-force make cereal, assorted more than be separated, stalk is blown out outside body, is made up of spiral case, impeller, fan shaft, floating idler pulley, wind direction board etc.; Fan shaft is equipped with impeller, 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 front; Used by oscillating screen in by seed, assorted more than carry out Separation by vibration, 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, is welded on screen frame front by original text plate, and wire gauze sieve is arranged on bottom screen frame, 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; Collector being cleaned for collecting wind-force, being vibrated the seed after cleaning, and is made up of grain sliding plate, recovery plate etc.; Grain sliding plate is arranged on the front lower place of bolter, reclaims the below that plate is arranged on vibratory sieve; Conveying screw feeder is used for the seed of collection being delivered to collection tanker or is shed by seed and realizes that secondary is de-again to be cleaned to cleaning in frame, is made up of conveying screw feeder, rethreshing device, bevel gear box, again de-screw feeder etc.; Conveying screw feeder is arranged in collector, and de-screw feeder is arranged in rethreshing device again, and bevel gear box is arranged on the right lateral side of conveying screw feeder; The power transmission that intermediate transmission is used for diesel engine to export exports, and is made up 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, be made up of upper frame, access panel etc.; In the front of upper frame inside, access panel is positioned on upper frame left and right sidesing wall plate.
From accompanying drawing 1,2,7, pulverize grass arranging device 5 mainly to comprise pulverizing frame 51, crushing rotary drum 52, pulverize transmission 53, disperser 54, the effect supporting whole pulverizing Lysimachia sikokiana and protective cover erected by cracker, is made up of pulverizing frame, linkage, stationary knife seat etc.; 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 made up 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 export transmission of power to crushing rotary drum, be made up of input unit, tensioning apparatus etc.; Input unit is positioned at threshing frame left rear side, and tensioning apparatus is positioned at front on the left of crushing rotary drum; The crops straw that disperser will crush, diffusion orient, to specified path, is made up of diffuser plate, governor motion; Governor motion is arranged on to be pulverized in frame, and below crushing rotary drum, diffuser plate is arranged on pulverizing frame inner wall.
Crushing rotary drum 52 is arranged on to be pulverized inside frame 51 left and right sidesing wall plate, 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.Operationally, pulverize transmission 53 and power is passed to crushing rotary drum 52, crushing rotary drum 52 is rotated, the straw of being discharged by threshing separation, grain cleaning, assorted remainder drop down onto and pulverize frame 51, be arranged on being crushed to and pulverizing stationary knife seat in frame stalk is shredded on crushing rotary drum 52, along disperser 54, stalk 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 collects the seed that grain cleaning is come, be transported to unloading screw conveyor by the horizontal screw conveyor of grain bin bottom, be made up of tanker housing, horizontal screw conveyor, locking device, tanker slewing equipment, dispersion swing mechanism etc.; Horizontal screw conveyor is arranged on below tanker enclosure interior, and dispersion swing mechanism is arranged in tanker housing above horizontal screw conveyor, and tanker slewing equipment is arranged on rear side of tanker housing, and locking device is arranged on front side of tanker housing; Horizontal screw conveyor in tanker carries the seed of coming carry and be expelled to assigned address by unloading screw conveyor, is made up of screw feeder cylindrical shell, screw feeder revolving bed, elevator screw feeder, reverse box etc.; Elevator screw feeder is arranged in screw feeder cylindrical shell, and screw feeder revolving bed is arranged on below screw feeder cylindrical shell, and reverse box is arranged on horizontal screw conveyor junction in screw feeder cylinder body bottom and tanker; The transmission of power of engine to horizontal screw conveyor in tanker and unloading screw conveyor, is reached the object of unloading by grain-unloading driving case, is made up of casing, eccentric bushing, vibrating mechanism, power shaft, output shaft etc.; Power shaft is arranged on towards a left side in casing, and output shaft to be 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 lower end on front side of tanker 61, is connected with the horizontal screw conveyor in tanker 61, and unloading screw conveyor 62 is arranged on lower end on rear side of tanker 61, is connected with horizontal screw conveyor in 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 accompanying drawing 2,9 visible, 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 playing a protective role to operator and machine; Illuminator 82 allows operator can carry out the normal operating of combine at night, 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, on the front beam that diesel engine in dynamical system 73 is arranged on chassis main frame 71 and middle cross beam, 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 end, wherein chassis main frame 71, walking wheel 72 and operation bench 75 major part are made up of Q235-A, sprocket wheel is 45 forged steel.
See Figure 10-13, be a preferred embodiment of the present invention, wherein: sorting screen 42 comprise 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 the multiple sieves be arranged on screen frame 421.Wire gauze sieve 423 is positioned at bottom screen frame 421, the below of sieve group 422.Umbrella head plate 428 is also arranged on the outside bottom framework 422, nestles up wire gauze sieve 423 one end, installs rubber slab stop that the stalk of sorting screen 42 second half section enters conveying screw feeder 441 in order to process.Between the inner side being arranged on screen frame 421 two side by original text plate 424, near sieve group 422 afterbody, thus stop carrying out bolter 34 and dropping on the stalk of sorting screen 42 second half section, prevent too much stalk from entering again de-screw feeder 444, thus cause again de-screw feeder 444 to block.Eccentric shaft 425 is arranged near the bottom of sieve group 422 tail end.Sprocket wheel 426 is arranged on the axle head of eccentric shaft 425.And eccentric block 427 is arranged on sprocket wheel 426, driven by sprocket wheel 426.
When sorting screen 42 carries out work, power source (not shown) drive sprocket 426 rotates, and sprocket wheel 426 drives eccentric shaft 425 to rotate, simultaneously by convert rotational motion for move back and forth.The eccentric block 427 simultaneously installed on sprocket wheel 426, make slowing of rising, the speed of decline accelerates, thus sorting screen 42 is produced shake up and down, clean the crop that bolter 34 falls.
According to another preferred embodiment of the present invention, the driving mechanism of described sprocket wheel 426, eccentric shaft 425 and eccentric block 427 composition, also can replace with cam structure.
Screen frame 421 is made up of framework 421a, upper and lower corrugated plating, wind deflector 421c.
Between inside two walls that upper corrugated plating 421b1 is arranged on framework 421a, be positioned at the front portion of sieve group 422.Between inside two walls that lower corrugated plating 421b2 is arranged on framework 421a, near the other end of wire gauze sieve 423 in contrast to umbrella head plate 428.This lower corrugated plating 421b2 is positioned at the side near wire gauze sieve below corrugated plating 421b1 simultaneously.Between inside two walls that wire gauze sieve 423 is also arranged on framework 421a, the bottom of sorting screen, the position near lower corrugated plating 421b2.
Be made up of sieve fixed strip 422a, fixing grating 422b, movable grating 422c, sieve activity bar 422d and holder 422e the visible sieve group 422 of Figure 12-13.
Holder 422e is arranged on sieve fixed strip 422a.Fixing grating 422b one end is arranged on sieve fixed strip 422a, and the other end is arranged on sieve activity bar 422d.Movable grating 422c comprises grating main body and is positioned at the sketch plate 422c1 at grating main body two ends, described sketch plate upper end is provided with deep-slotted chip breaker 422c11, sketch plate 422c1 one end is fixed on sieve fixed strip 422a through described deep-slotted chip breaker 422c11 by bolt, 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, thus work middle need adjustment sieve aperture time, slip sketch plate 422c1, sketch plate 422c1 moves along deep-slotted chip breaker 422c11 under the restriction of deep-slotted chip breaker 422c11, then sieve activity bar 422d is driven to move left and right, the motion of movable mounting bar 422b drives gravity flow screen bar 422d interlock, thus realize the adjustment of opening.
According to a preferred embodiment of the present invention, the grating main body of movable grating 422c is connected by welding manner with sketch plate.
According to another preferred embodiment of the present invention, fixing grating and/or movable grating can adopt engineering plastic materials to make.
The above; be only patent of the present invention preferably embodiment; but the protection domain of patent of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope of patent diselosesll of the present invention; the change that can expect easily or replacement, within the protection domain that all should be encompassed in patent of the present invention.
Claims (6)
1. an adjustable sorting screen, it is characterized in that the sieve group of described sorting screen comprises sieve fixed strip, fixing grating, movable grating, sieve activity bar, one end of wherein said fixing 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 is positioned at the sketch plate 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; The grating main body of described movable grating and sketch plate are by being welded to connect; Described sorting screen also comprise screen frame, wire gauze sieve, umbrella head plate, by original text plate, eccentric shaft, sprocket wheel and eccentric block; Wire gauze sieve is positioned at bottom screen frame, the below of sieve group; Umbrella head plate is arranged on the outside of base of frame, nestles up wire gauze sieve one end; Between the inner side being arranged on screen frame two side by original text plate, near sieve group afterbody; Eccentric shaft is arranged near the bottom of sieve group tail end; Sprocket wheel is arranged on the axle head of eccentric shaft, and eccentric block is arranged on sprocket wheel, by chain wheel drive.
2. a kind of adjustable sorting screen as claimed in claim 1, is characterized in that, described screen frame is made up of framework, upper corrugated plating, lower corrugated plating and wind deflector; Between inside two walls that described upper corrugated plating is arranged on framework, be positioned at the front portion of sieve group; Between inside two walls that lower corrugated plating is arranged on framework, near the other end of wire gauze sieve in contrast to umbrella head plate; This lower corrugated plating is positioned at the side near wire gauze sieve below corrugated plating; Between inside two walls that wire gauze sieve is arranged on framework, near the position of lower corrugated plating.
3. a kind of adjustable sorting screen as claimed in claim 2, is characterized in that, be made up of the driving mechanism of adjustable sorting screen described sprocket wheel, eccentric shaft and eccentric block.
4. a kind of adjustable sorting screen as claimed in claim 3, is characterized in that, fixing grating and/or portable screen strip adoption engineering plastic materials are made.
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 combine, its have as arbitrary in claim 1-5 as described in adjustable sorting screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081446.1A CN103814708B (en) | 2014-03-06 | 2014-03-06 | A kind of adjustable sorting screen and there is the combine of this sorting screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410081446.1A CN103814708B (en) | 2014-03-06 | 2014-03-06 | A kind of adjustable sorting screen and there is the combine of this sorting screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103814708A CN103814708A (en) | 2014-05-28 |
| CN103814708B true CN103814708B (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410081446.1A Ceased CN103814708B (en) | 2014-03-06 | 2014-03-06 | A kind of adjustable sorting screen and there is the combine of this sorting screen |
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| CN (1) | CN103814708B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105052367B (en) * | 2015-07-30 | 2018-01-19 | 四川刚毅科技集团有限公司 | Vibratory sieve wind deflector structure on harvester |
| CN105474894A (en) * | 2016-01-20 | 2016-04-13 | 莱恩农业装备有限公司 | Adjustable grading sieve |
| CN105493782A (en) * | 2016-01-20 | 2016-04-20 | 莱恩农业装备有限公司 | Double-sieve-piece synchronous adjusting sorting sieve |
| CN106576578B (en) * | 2016-12-30 | 2024-01-23 | 中联重机浙江有限公司 | Vibrating screen assembly of combine harvester |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202476121U (en) * | 2012-02-23 | 2012-10-10 | 无锡联合收割机有限公司 | Oscillating vibrating screen cleaning device |
| CN203748285U (en) * | 2014-03-06 | 2014-08-06 | 星光农机股份有限公司 | Adjustable cleaning screen and combine harvester with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000316366A (en) * | 1999-05-11 | 2000-11-21 | Iseki & Co Ltd | Oscillating sorter for thresher |
| JP2000316368A (en) * | 1999-05-11 | 2000-11-21 | Iseki & Co Ltd | Threshing apparatus for combine |
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2014
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202476121U (en) * | 2012-02-23 | 2012-10-10 | 无锡联合收割机有限公司 | Oscillating vibrating screen cleaning device |
| CN203748285U (en) * | 2014-03-06 | 2014-08-06 | 星光农机股份有限公司 | Adjustable cleaning screen and combine harvester with same |
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| Publication number | Publication date |
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| CN103814708A (en) | 2014-05-28 |
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