CN103355032B - Strength combination cellular type corn precise quatity feed run - Google Patents
Strength combination cellular type corn precise quatity feed run Download PDFInfo
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- CN103355032B CN103355032B CN201310210206.2A CN201310210206A CN103355032B CN 103355032 B CN103355032 B CN 103355032B CN 201310210206 A CN201310210206 A CN 201310210206A CN 103355032 B CN103355032 B CN 103355032B
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- seed
- feed mechanism
- discharge plate
- lower house
- circular
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/04—Single-grain seeders with or without suction devices
- A01C7/042—Single-grain seeders with or without suction devices using pneumatic means
- A01C7/044—Pneumatic seed wheels
- A01C7/046—Pneumatic seed wheels with perforated seeding discs
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/20—Parts of seeders for conducting and depositing seed
- A01C7/206—Seed pipes
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Abstract
The present invention relates to a kind of strength combination cellular type corn precise quatity feed run, it is characterized in that: it comprises feed mechanism for seed upper shell, feed mechanism for seed lower house, discharge plate, defeated kind of device, air distribution chamber shell, ejector blade, seeds scraper, seed clearing wheel and feed shaft; Feed mechanism for seed upper shell and feed mechanism for seed lower house are buckled together and form a circular chamber, and air distribution chamber shell is arranged on feed mechanism for seed upper shell outside, and positive pressure gas stream enters circular chamber by gas distributing chamber, makes circular chamber be full of malleation; Discharge plate is disc, its outer circumference is to evenly dividing the seed guiding groove that is provided with some knee shapes, seed guiding groove edge is provided with chamfering, and discharge plate lower surface fits tightly with the sealing ring embedding in feed mechanism for seed lower house cannelure, and the seed guiding groove of not covered has formed combination-type hole; Ejector blade is circular arc, and its hypomere edge is provided with a strip plate, and ejector blade outward flange and seed guiding groove initiating terminal are tangent; The double wedge of seed clearing wheel snaps in discharge plate combination-type hole and is meshed with discharge plate, rotates with discharge plate.
Description
Technical field
The present invention relates to the feed mechanism for seed in a kind of agricultural mechanical field, particularly about a kind of strength combination cellular type corn precise quatity feed run.
Background technology
Corn mechanization precision drilling can be saved artificial thinning, saves seed, realizes volume increase abridged edition, has therefore become in recent years cornThe development trend of sowing. And the feed mechanism for seed of stable performance, the operation of adaptation high speed becomes the key that realizes corn mechanization precision drilling.
Air-suction seeding unit is relatively suitable for for round shaped grain seed, and damage ratio is little, can be applicable to the seeding operation of higher speed, is current domestic strengthThe feed mechanism for seed that formula precise seeding machine of corn generally adopts. Air-suction seeding unit is made up of He Cunzhong chamber, suction-chamber, and is separated by discharge plate. Suction-chamber is logicalCross flexible pipe and be connected with blower fan, in the time that blower fan is worked, make suction-chamber produce certain vacuum degree, form suction at discharge plate sucker place, will deposit kind indoorPart seed holds. When seed rotates to seed scraping device position with discharge plate, seed scraping device is wiped unnecessary seed off, only stay seed continue withDischarge plate forwards plough top to without suction district, and seed is fallen in kind of ditch under the effect of deadweight or ejector blade. Air-suction seeding unit utilizes negative pressureThe principle of depositing kind and gravity seed cleaning, seed damage ratio is low, can realize the precision drilling under fair speed. But to this non-similar round seed of cornAdaptability poor, be mainly manifested in seed-filling process negative regulation, plant layer height and discharge plate rotating speed is had relatively high expectations, therefore fill kind of a propertyCan not goodly cause in its actual operation process leakage sowing rate higher, particularly inadequate at edge of a field rotation speed of fan, when air pressure is not enough broadcast leakage serious.
Summary of the invention
For the problems referred to above, it is a kind of good to corn seed shape adaptability to the object of this invention is to provide, and fills kind of performance high, and power consumption is littleFeed mechanism for seed, utilizes air-suction seeding unit pressure reduction to deposit principle and the air-sweeping type feed mechanism for seed air-flow auxiliary seed-filling principle of planting, and reduces vibration to seeding simple grainThe impact of property.
For achieving the above object, the present invention takes following technical scheme: a kind of strength combination cellular type corn precise quatity feed run, is characterized in that:It comprises feed mechanism for seed upper shell and feed mechanism for seed lower house, and described feed mechanism for seed upper shell and described feed mechanism for seed lower house are buckled together shape by fixed cardBecome a circular chamber, in described circular chamber, be provided with discharge plate, ejector blade and seeds scraper, described circular chamber be outside equipped with defeated kind of device,Air distribution chamber shell and seed clearing wheel; The bottom of described feed mechanism for seed upper shell offers one section of arc notch, for defeated kind of device of described installation. DescribedFeed mechanism for seed upper shell side has four bolt mouths and a semicircle breach, and bolt is through described bolt mouth, can by described air distribution chamber shell withDescribed feed mechanism for seed upper shell fixes, and described semicircle breach makes described gas distributing chamber communicate with described circular chamber; Described feed mechanism for seed lower house isAnnular disk-like, described feed mechanism for seed lower house bottom surface is circumferentially provided with a loop body, has one section of cannelure, sealing ring embedding on described ring bodiesEnter in described cannelure, below, described feed mechanism for seed lower house bottom surface has square opening, for described seed clearing wheel is installed, and described feed mechanism for seed lower casingBody bottom surface has several passages of groove shape ringwise, and the above and below of described feed mechanism for seed lower house upper surface is provided with respectively double-screw bolt, pointBe not used for fixing described seeds scraper and described ejector blade; Described discharge plate is disc, and described discharge plate outer circumference is provided with some to even pointThe seed guiding groove of knee shape, the described seed guiding groove edge of described discharge plate upper surface is provided with chamfering, described discharge plate lower surface and described sealing ringFit tightly, described ring bodies has sheltered from the large portion of described seed guiding groove, and the described seed guiding groove of not covered has formed combination-type hole; Described defeatedPlant device and comprised link, grain conductor, joint, pressing spring and seed spout, described link is to be welded by an arc plate and a pipe, being bolted the described arc notch place at described feed mechanism for seed upper shell, described grain conductor is a thin-wall seamless steel pipe, one end has downThe angle other end is provided with two column type projections, and described grain conductor chamfered end, through described pipe and described arc notch, is goed deep into described circular cavityIndoor, the other end is connected with described joint, and bolt holds out against described grain conductor on described link. On described joint, be provided with two sections of arcsGroove, the cylindrical protrusions of described grain conductor snaps in described deep-slotted chip breaker, and by the pressing spring in described joint by described seed spout with described in leadPlanting pipe links together; Described air distribution chamber shell is made up of the air inlet of semicircular atrium and tubular; Described ejector blade adopts a circular arcShape steel plate is made, and there is an internal thread pipe described ejector blade upper end, and bolt passes the through hole in described feed mechanism for seed upper shell outside by described ejector bladeFastening with described feed mechanism for seed upper shell, described ejector blade lower end is provided with a circular hole, and the described double-screw bolt of described feed mechanism for seed lower house is through described circleHole, by fastening to described ejector blade and described feed mechanism for seed lower house. Described ejector blade hypomere is provided with a strip plate, described in being vertically welded on, pushes away kindPanel edges, described ejector blade upper end has been designed to a convex; The surface of stating seed clearing wheel four the cylinder double wedges that circumferentially distributing, axle is through welderingBe connected on holder and the described seed clearing wheel of square orifice both sides described in described feed mechanism for seed lower house, by axle sleeve and split pin by axial described seed clearing wheelFixing. Through described square orifice, the described double wedge of described seed clearing wheel snaps in the described combination-type hole of described discharge plate and nibbles mutually with described discharge plateClose, described seed clearing wheel rotates with the rotation of described discharge plate.
Described feed mechanism for seed upper shell is circular open cavity, and described feed mechanism for seed upper shell top is provided with a seed inlet.
Described discharge plate tightens together with feed shaft by bolt, and under described feed shaft drives, described discharge plate is at described feed mechanism for seed upper casingIn the described circular chamber forming between body and described feed mechanism for seed lower house, rotate.
Described air distribution chamber shell is provided with four fixed cards, and bolt is fixed semicircle screen and described air distribution chamber shell respectively through described fixed cardBoth sides inside and outside the described semicircle indentation, there of described feed mechanism for seed upper shell, form a semi-enclosed chamber, and communicate with described circular chamber.
Described seeds scraper is a circular arc type steel plate, one section of zigzag moving tooth when described seeds scraper proximal part edge, and described seeds scraper two ends are respectivelyHave circular hole and slotted hole, the described double-screw bolt of described feed mechanism for seed lower house upper end is through described oval mouthful and described circular hole, and described seeds scraper is solidFix on described feed mechanism for seed lower house.
Described sealing ring adopts the wherein a kind of anti-attrition self-lubricating material in nylon, polytetrafluoroethylene (PTFE) to make, and described discharge plate adopts stainless steelMaterial is made.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, the present invention is filled with barotropic gas in feed mechanism for seed, utilizes groupThe pressure differential in mould assembly hole, presses seed to be attached on combination-type hole, and by the pressure differential at grain conductor place, seed is discharged, and therefore arranges compared with aspirated-air typePlant device and compare, reduced the requirement to sealing and pressure stability. 2, the present invention is circumferentially provided with the kind of leading of some knee shapes at discharge plateGroove, and in edge, chamfering is set, under Chong Zhong district and positive pressure gas flowing common action, effective disturbance seed, makes seed be in floating state,Improve kind of the performance of filling of feed mechanism for seed. 3, discharge plate seed guiding groove of the present invention and the laminating of discharge plate lower house ring bodies form combination-type hole, combinationType hole has good adaptability to corn seed shape, and darker combination-type hole and wider contact area can be entrusted to press and be attached to combination-type holeOn seed, improve and fill kind of a performance, reduce the impact of vibration on seeding simple grain. 4, ejector blade of the present invention can be by seed along arcThe direction of seed guiding groove departs from discharge plate, has changed the planting mode of transmission, has solved the planting difficult problem causing because of darker combination-type hole. 5,Chong Zhong of the present invention district is provided with a seed clearing wheel, and seed clearing wheel double wedge and discharge plate combination-type hole are meshed, and can eject and be stuck in combination-type holeBroken seed, avoids because combination-type hole stops up the broadcast leakage causing.
Brief description of the drawings
Fig. 1 is that overall structure master of the present invention looks schematic diagram
Fig. 2 is the A-A generalized section of Fig. 1
Fig. 3 is overall structure schematic rear view of the present invention
Fig. 4 is the B-B generalized section of Fig. 3
Fig. 5 is internal structure decomposing schematic representation of the present invention
Fig. 6 is the structural representation of upper shell of the present invention
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Fig. 1～6, the present invention includes feed mechanism for seed upper shell 1, feed mechanism for seed lower house 2, discharge plate 3, defeated kind of device 4, gas distributing chamberHousing 5, ejector blade 6, seeds scraper 7, seed clearing wheel 8 and feed shaft 9. Feed mechanism for seed upper shell 1 passes through fixed card with feed mechanism for seed lower house 216,23 be buckled together formation one circular chamber 29, discharge plate 3, ejector blade 6 and seeds scraper 7 are arranged in this circular chamber 29. Defeated kindDevice 4, air distribution chamber shell 5 and 8 of seed clearing wheels are arranged on circular chamber 29 outsides.
Feed mechanism for seed upper shell 1 is circular open cavity, and its top offers a seed inlet 11, and the bottom of feed mechanism for seed upper shell 1 offers oneSection arc notch 13, for installing defeated kind of device 4. Feed mechanism for seed upper shell 1 side has four bolt mouths 17 and a semicircle breach 19,Through bolt mouth 17, bolt can be fixed on air distribution chamber shell 5 on feed mechanism for seed upper shell 1 side, semicircle breach 19 Ze Shi gas distributing chamber shellsBody 5 communicates with circular chamber 29.
Feed mechanism for seed lower house 2 dish type in the form of a ring, its bottom surface is circumferentially provided with a loop body 24, has one section of cannelure 21 on ring bodies 24,Sealing ring 34 is embedded in cannelure interior 21. Feed mechanism for seed lower house 2 belows, bottom surface have square opening 27, for seed clearing wheel 8 is installed; SeedingDevice lower house 2 bottom surfaces have several passages 25 of groove shape ringwise. The above and below of feed mechanism for seed lower house 2 upper surfaces arranges respectivelyDouble-screw bolt 22,26,28, be used for fixing respectively seeds scraper 7 and ejector blade 6.
Discharge plate 3 is disc, tightens together with feed shaft 9 by bolt 33, and under the drive of feed shaft 9, discharge plate 3 is rowPlant the interior rotation of circular chamber 29 forming between device upper shell 1 and feed mechanism for seed lower casing 2 bodies. If discharge plate 3 outer circumference are to evenly dividing and be provided withThe seed guiding groove 31 of dry medium strip, seed guiding groove 31 edges of discharge plate 3 upper surfaces are provided with chamfering, discharge plate 3 lower surfaces and embedding cannelureSealing ring 34 in interior 21 fits tightly, and the ring bodies 24 of feed mechanism for seed lower house 2 has sheltered from the circumferential large portion of seed guiding groove 31 of discharge plate 3,31 of the seed guiding grooves of not covered have formed combination-type hole 32.
Defeated kind of device 4 comprised link 41, grain conductor 44, joint 45, pressing spring 46 and seed spout 47, and link 41 is by one sectionArc plate and a pipe 42 are welded, and are fixed on arc notch 13 places of feed mechanism for seed upper shell 1 by bolt 12. Grain conductor 44 is oneRoot thin-wall seamless steel pipe, one end has the chamfering other end to be provided with two column type projections 49, and grain conductor 44 chamfered end are through pipe 42 and arcV notch v 13, gos deep in circular chamber 29, and the other end is connected with joint 45, and bolt 43 holds out against grain conductor 44 on link 41.On joint 45, be provided with two sections of grooves 48, in cylindrical protrusions 49 card entry slots 48 of grain conductor 44, and by the pressing spring 46 in joint 45Seed spout 47 and grain conductor 44 are linked together.
Air distribution chamber shell 5 is made up of the air inlet 51 of semicircular atrium and tubular, and bolt is through four fixed cards 52 and bolt hole17, respectively semicircle sieve plate 53 and air distribution chamber shell 5 are fixed on to the inside and outside both sides at the semicircle breach of feed mechanism for seed upper shell 1 19 places, formA semi-enclosed chamber, and communicate with circular chamber 29.
Ejector blade 6 adopts a circular arc steel plate to make, and there is an internal thread pipe 62 its upper end, and bolt is through feed mechanism for seed upper shell 1 outsideThrough hole 15 is by fastening to ejector blade 6 and feed mechanism for seed upper shell 1; Ejector blade 6 lower ends are provided with a circular hole 64, the double-screw bolt of feed mechanism for seed lower house 228 through this hole, by fastening to ejector blade 6 and feed mechanism for seed lower house 2. Ejector blade 6 hypomeres are provided with a strip plate 63, are vertically welded on and push awayPlant panel edges, ejector blade 6 upper ends have been designed to a convex 61.
Seeds scraper 7 is a circular arc steel plate, and its proximal part edge is one section of zigzag moving tooth 72, and seeds scraper 7 two ends have circular hole71 and slotted hole 73, the double-screw bolt 22 of feed mechanism for seed lower house 2 upper ends, through this two hole, is fixed on feed mechanism for seed lower house 2 by seeds scraper.
The surface of seed clearing wheel 8 four the cylinder double wedges 84 that circumferentially distributing, axle 81 is through being welded on feed mechanism for seed lower house 2 square orifice 23 both sidesHolder 82 and seed clearing wheel 8, by axle sleeve 85 and split pin 83 by seed clearing wheel 8 axial restraints. Through square orifice 23, seed clearing wheel 8Double wedge 84 snap in the combination-type hole 32 of discharge plate 3 and be meshed with discharge plate 3, rotate with discharge plate 3.
In above-described embodiment, whole feed mechanism for seed can be divided into successively to Chong Zhong district I, Qing Zhong district II, Dao Zhong district III, push away according to said structurePlant district's IV and area in preparation V.
Workflow of the present invention is as follows:
1) when work, blower fan by flexible pipe be connected air inlet 11 and be connected, air-flow, in gas distributing chamber enters circular chamber 29, fills itFull malleation air-flow, discharge plate 3 combination-type hole 32 places and grain conductor 44 import departments all produce pressure.
2) by the seed inlet 11 of offering on seeding upper shell 1, seed is dropped in Chong Zhong district I from seed inlet 11, at malleation air-flow andUnder the perturbation action of discharge plate 3 seed guiding grooves 31, it is interior in floating state that seed is in Chong Zhong district I, is being subject to the push effect of subsequent seedUnder the pressure-acting of combination-type hole 32,1～2 seed can be pressed be attached on combination-type hole 32, rotates with discharge plate 3.
3) seed rotates into Qing Zhong district II with discharge plate 3, and under the effect of gravity, in discharge plate 3 seed guiding grooves 31, pressure is attached to combinedSeed on hole 32 can fall back to Chong Zhong district I; Pressure is attached on combination-type hole 32 and cannot relies on from flumping the unnecessary seed that recharges kind of district's IContinue to rotate with discharge plate 3, in the time that seed passes through seed scraping device 7, the interruption impact effect that unnecessary seed increases gradually at its moving tooth 72Under, fall to recharging kind of district's I, thereby ensured the simple grain of feed mechanism for seed.
4) pressure is attached to single seed on discharge plate 3 and enters Dao Zhong district III with discharge plate rotation, under the guiding of ejector blade curved section, leaves and leadsPlant the proximal part of groove 31. Enter after Tui Zhong district IV, seed is under the promotion of ejector blade 6 strip plates 63, de-along the direction of seed guiding groove 31From discharge plate 3. When near grain conductor 44 mouth of pipe, seed departs from discharge plate 3 just completely, and under the effect of high velocity air, through leadingPlant pipe 44 and enter seed spout 47, and then discharged by seed spout 47, complete the process of charging seed.
5), in the time that discharge plate 3 turns to area in preparation V, the double wedge 84 of seed clearing wheel 8 snaps in the combination-type hole 32 of discharge plate 3 and discharge plate3 are meshed, and rotate with discharge plate 3, can eject the broken seed that is stuck in combination-type hole interior 32, avoid because combination-type hole 32 stops upThe broadcast leakage causing. After this, discharge plate 3 is rotated further, and carries out next seeding process.
6) rotate the joint 45 of defeated kind of device 4, can realize being connected and separating of grain conductor 44 and seed spout 47, in actual job,Can complete fast seed spout 47 install and adjusts, avoid causing because of this change of grain conductor 44 positions the decline of planting quality.
In above-described embodiment, sealing ring 34 can adopt the anti-attrition self-lubricating materials such as nylon to make.
In above-described embodiment, discharge plate 3 can adopt stainless steel material to make.
The various embodiments described above are only for illustrating the present invention, and wherein the structure of each parts and connected mode all can change to some extent, all at thisOn the basis of bright technical scheme, the improvement that the connection according to the principle of the invention to indivedual parts and structure are carried out and equivalents, all should not get rid ofIn protection scope of the present invention.
Claims (6)
1. strength combination cellular type corn precise quatity feed run, is characterized in that: it comprises feed mechanism for seed upper shell and feed mechanism for seed lower house, described feed mechanism for seedUpper shell and described feed mechanism for seed lower house are buckled together and are formed a circular chamber by fixed card, are provided with discharge plate, ejector blade in described circular chamberAnd seeds scraper, described circular chamber is outside equipped with defeated kind of device, air distribution chamber shell and seed clearing wheel;
The bottom of described feed mechanism for seed upper shell offers one section of arc notch, and for described defeated kind of device is installed, described feed mechanism for seed upper shell side hasFour bolt mouths and a semicircle breach, bolt, through described bolt mouth, can fix described air distribution chamber shell and described feed mechanism for seed upper shell,Described semicircle breach makes gas distributing chamber communicate with described circular chamber;
Described feed mechanism for seed lower house dish type in the form of a ring, described feed mechanism for seed lower house bottom surface is circumferentially provided with a loop body, on described ring bodies, has oneSection cannelure, sealing ring is embedded in described cannelure, and below, described feed mechanism for seed lower house bottom surface has square opening, for described seed clearing wheel is installed,Described feed mechanism for seed lower house bottom surface has several passages of groove shape ringwise, and the above and below of described feed mechanism for seed lower house upper surface arranges respectivelyDouble-screw bolt, be used for fixing respectively described seeds scraper and described ejector blade;
Described discharge plate is disc, and described discharge plate outer circumference is to the seed guiding groove that is evenly provided with some knee shapes, the institute of described discharge plate upper surfaceState seed guiding groove edge and be provided with chamfering, described discharge plate lower surface and described sealing ring fit tightly, and it is large that described ring bodies has sheltered from described seed guiding groovePortion, the described seed guiding groove of not covered has formed combination-type hole;
Described defeated kind of device comprised link, grain conductor, joint, pressing spring and seed spout, and described link is to be welded by an arc plate and a pipeConnect and form, be bolted the described arc notch place at described feed mechanism for seed upper shell, described grain conductor is a thin-wall seamless steel pipe, and one end hasThe chamfering other end is provided with two column type projections, and described grain conductor chamfered end, through described pipe and described arc notch, is goed deep into described circular chamberIn, the other end is connected with described joint, and bolt holds out against described grain conductor on described link, is provided with two sections of deep-slotted chip breakers, institute on described jointThe cylindrical protrusions of stating grain conductor snaps in described deep-slotted chip breaker, and by the pressing spring in described joint, described seed spout and described grain conductor is connected toTogether;
Described air distribution chamber shell is made up of the air inlet of semicircular atrium and tubular;
Described ejector blade adopts a circular arc steel plate to make, and there is an internal thread pipe described ejector blade upper end, and bolt is through outside described feed mechanism for seed upper shellThe through hole of side is by fastening to described ejector blade and described feed mechanism for seed upper shell, and described ejector blade lower end is provided with a circular hole, the institute of described feed mechanism for seed lower houseState double-screw bolt through described circular hole, by fastening to described ejector blade and described feed mechanism for seed lower house, described ejector blade hypomere is provided with a strip plate, vertically welderingBe connected on described ejector blade edge, described ejector blade upper end has been designed to a convex;
The surface of described seed clearing wheel four the cylinder double wedges that circumferentially distributing, axle is through being welded on the fixing of square opening both sides described in described feed mechanism for seed lower houseSeat and described seed clearing wheel, by described seed clearing wheel axial restraint, pass described square opening, the described double wedge card of described seed clearing wheel by axle sleeve and split pinEnter in the described combination-type hole of described discharge plate and be meshed with described discharge plate, described seed clearing wheel rotates with the rotation of described discharge plate.
2. strength combination cellular type corn precise quatity feed run as claimed in claim 1, is characterized in that: described feed mechanism for seed upper shell is circular openCavity, described feed mechanism for seed upper shell top is provided with a seed inlet.
3. strength combination cellular type corn precise quatity feed run as claimed in claim 1, is characterized in that: described discharge plate is by bolt and feed shaftTighten together, under described feed shaft drives, described discharge plate between described feed mechanism for seed upper shell and described feed mechanism for seed lower house, form described inIn circular chamber, rotate.
4. strength combination cellular type corn precise quatity feed run as claimed in claim 1, is characterized in that: described air distribution chamber shell is provided with four and fixesCard, bolt is fixed on semicircle screen and described air distribution chamber shell respectively the described semicircle breach of described feed mechanism for seed upper shell through described fixed cardInside and outside both sides, place, form a semi-enclosed chamber, and communicate with described circular chamber.
5. strength combination cellular type corn precise quatity feed run as claimed in claim 1, is characterized in that: described seeds scraper is a circular arc type steel plate,Described seeds scraper proximal part edge is provided with one section of zigzag moving tooth, and described seeds scraper two ends have circular hole and slotted hole, described feed mechanism for seed lower casingThe described double-screw bolt of body upper end, through described slotted hole and described circular hole, is fixed on described feed mechanism for seed lower house by described seeds scraper.
6. strength combination cellular type corn precise quatity feed run as claimed in claim 1 or 2, is characterized in that: described sealing ring adopts nylon, poly-Wherein a kind of anti-attrition self-lubricating material in tetrafluoroethene is made, and described discharge plate adopts stainless steel material to make.
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| CN104956815B (en) * | 2015-07-08 | 2016-11-16 | 中国农业大学 | A kind of corn drill seed precisely delivers mechanism and method of accurately charging seed |
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| CN108243677B (en) * | 2018-01-11 | 2024-03-15 | 中国农业大学 | Seed metering cleaning mechanism of hole digging sowing wheel |
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| CN114793566B (en) * | 2022-05-25 | 2024-01-30 | 安徽农业大学 | Self-disturbing seed tray with involute seed guiding groove |
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