CN2396900Y - Grain grading machine - Google Patents
Grain grading machine Download PDFInfo
- Publication number
- CN2396900Y CN2396900Y CN 99242588 CN99242588U CN2396900Y CN 2396900 Y CN2396900 Y CN 2396900Y CN 99242588 CN99242588 CN 99242588 CN 99242588 U CN99242588 U CN 99242588U CN 2396900 Y CN2396900 Y CN 2396900Y
- Authority
- CN
- China
- Prior art keywords
- driving wheel
- frame
- pusher
- screen frame
- blower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a grain grading machine, which comprises a machine frame, a blower, a screen frame and a driving device. The utility model is characterized in that the machine frame is a trilaminar frame; the screen frame which comprises an upper screen frame and a lower screen frame is provided with a screen piece inside; the rear part of the upper screen frame is slightly declined out of the machine frame; the rear part of the lower screen frame is slightly tilted upwards; a pushing conveyor, one side of which is provided with a discharge port is arranged under the front part of the lower screen frame; the upper screen frame and the lower screen frame are respectively hinged with the ends of two pairs of rocking rods and form an air chamber; the middle part of each rocking rod is hinged with the middle layer of the machine frame; the blower is arranged on the front part of the machine frame and an air outlet of the blower just faces to the air chamber. The utility model has the advantages of simple structure, stable performance, and low cost, and can be widely suitable for farmer households.
Description
The utility model relates to a kind of grain cleaning machine, specifically is used for removing the cleaning plant of grain impurity.
At present, the cleaning equipment that usually is used for grain, seed mostly is grain cleaner or winnowing machine, and winnowing machine is cleaned effect and cleaned effect far below the grain cleaner, and required place is big, and inefficiency also is subject to the influence of weather environment; Dressing machine then takes up an area of few, and high efficiency is not subjected to the influence of weather environment, but structure is generally comparatively complicated, and the price height is unsuitable for peasant family and uses; Chinese patent 93220004 discloses a kind of pneumatic jig formula seed-cleaning apparatus, it comprises frame, drive unit, feeding unit, pneumatic knot screen, air compartment and screen box assembly, characteristics are air draught roads before and after being respectively equipped with in the both sides of air compartment, all be provided with choke on preceding air draught road and the air compartment, the strength knot screen is provided with air throttle, and the screen box assembly links to each other with suspension rod with drive unit respectively; Because it is independently that this machine gas selects mechanism and sorting mechanism, member is more, makes its structure complicated, has not only reduced its service behaviour, has also reduced its cleaning efficiency.
The purpose of this utility model is to provide a kind of simple in structure, stable performance, high efficiency and grain cleaner with low cost.
For achieving the above object, the utility model comprises frame, blower fan, screen frame, spout, discharging opening and transmission mechanism, and described frame is three layers of framework, and spout is located on the framework of upper strata, the lower floor's framework that it is characterized in that described frame is provided with pusher, and discharging opening is located at a side of pusher; Described screen frame comprises two-layer screen frame up and down, be provided with the sieve sheet in the screen frame, the rear portion of last screen frame has a down dip slightly and stretches out outside the frame, lift on a little at the rear portion of following screen frame, the front portion is positioned at the pusher top, sieve the sheet hinged and formation wind chamber with the end of two pairs of rocking bars respectively up and down, the middle level framework of the middle part of rocking bar and frame is hinged; Described blower fan is positioned at frame front, and the air outlet of blower fan is provided with wind direction adjusting plate over against the wind chamber on air outlet top, and the air inlet of blower fan is provided with blast regulator; Described transmission mechanism comprises impeller of blower, pusher driving wheel and rocking bar driving wheel, and impeller of blower is a driving wheel, and impeller of blower and pusher driving wheel, pusher driving wheel and rocking bar driving wheel are for being in transmission connection; The hinged connecting rod of the eccentric part of rocking bar driving wheel, the end of the other end of connecting rod and a rocking bar is hinged.
Because pneumatic separator of the present utility model and sorting mechanism unite two into one, and not only simplify the structure, and make the complete machine performance more stable, and supporting power is more economized, useable electric moter or little four-wheel greatly reduce machine cost as supporting power, improve cleaning efficiency; In addition, the utility model can be changed the sieve sheet and adjust fan delivery according to cleaning the grain kind, is fit to clean the grain of Different Crop; Therefore the scope of application is wide, can be widely used in peasant family and use.
Described in detail below in conjunction with the utility model embodiment accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the left view of Fig. 1.
See figures.1.and.2, the utility model comprises frame 1, blower fan 2, screen frame, spout 3, discharging opening 4 and transmission mechanism, described frame 1 is three layers of framework, spout 3 is located on the framework of upper strata, the lower floor's framework that it is characterized in that described frame is provided with pusher 5, pusher 5 is made up of collection grain groove and screw feeder, and discharging opening 4 is located at a side of pusher 5; Described screen frame comprises up and down two-layer screen frame, is provided with the sieve sheet in the screen frame, and the rear portion of last screen frame 6 has a down dip slightly, and stretch out outside the frame 1 at the rear portion, and lift on a little at the rear portion of following screen frame 7, and the front portion is positioned on the pusher 5; Screen frame is hinged and constitute wind chamber 8 with the end of two pairs of rocking bars 9 respectively up and down, and the middle level framework of the middle part of rocking bar 9 and frame is hinged; Described blower fan 2 is positioned at frame 1 front portion, and the air outlet 10 of blower fan 2 is provided with wind direction adjusting plate 22 over against wind chamber 8 on air outlet 10 tops, and the air inlet of blower fan is provided with blast regulator; Described transmission mechanism comprises impeller of blower 11, pusher driving wheel 12 and rocking bar driving wheel 13, impeller of blower 11 is a driving wheel, driving power is motor or diesel engine, and impeller of blower 11 is connected for belt with rocking bar driving wheel 13 with pusher driving wheel 12, pusher driving wheel 12; The hinged connecting rod 14 of the eccentric part of rocking bar driving wheel 13, the end of the other end of connecting rod 14 and a rocking bar 9 is hinged.
Above-mentioned sieve sheet can be lip(ped) sieve, wire gauze sieve or stamped sieve or the like.
Operation principle of the present utility model is: the grain that will be mixed with impurity is fed by spout, after the upper strata coarse mesh is removed bigger impurity, when containing the grain whereabouts of light small impurities, remove light assorted by blower fan wind-force, remove thin assorted by the aperture sieve of lower floor again, thereby obtain cleaner grain, and deliver to discharging opening by pusher.
In addition, impeller of blower 11 and pusher driving wheel 12, pusher driving wheel 12 can be also with rocking bar driving wheel 13 that chain is connected or gear connects.
In order to improve clear grain efficient, reduce the hand labor amount, be provided with supporting base on the frame upper strata, supporting base is provided with screw feeder driving wheel 17, tiltedly establishes one at spout 3 places and promotes screw feeder 15, the axle of screw feeder driving wheel 17 and universal connection of axle of screw feeder 15; The other end at the blower fan wheel shaft is provided with drive 16, and drive 16 is connected with screw feeder driving wheel 17 belts.
For the ease of cleaning the grain pack after the processing, between discharging opening 4 and pusher 5, be provided with collection silo 18 and promote screw feeder 19, the upper end that screw feeder is 19 is provided with angular wheel 20, establish in the end of screw feeder driving wheel 17 angular wheel 21 and with axle head angular wheel 20 engagement of screw feeder 19.
Claims (6)
1, a kind of grain cleaner, comprise frame (1), blower fan (2), screen frame, spout (3), discharging opening (4) and transmission mechanism, described frame (1) is three layers of framework, spout (3) is located on the framework of upper strata, the lower floor's framework that it is characterized in that frame (1) is provided with pusher (5), and discharging opening (4) is located at a side of pusher (5); Described screen frame comprises up and down two-layer screen frame (6) and (7), is provided with the sieve sheet in the screen frame, and the rear portion of last screen frame (6) has a down dip slightly and stretches out outside the frame (1), and lift on a little at the rear portion of following screen frame (7), and the front portion is positioned on the pusher (5); Screen frame is hinged and constitute wind chamber (8) with the end of two pairs of rocking bars (9) respectively up and down, and the middle level framework of the middle part of rocking bar (9) and frame (1) is hinged; Described blower fan (2) is positioned at frame (1) front portion, and the air outlet (10) of blower fan (2) is over against wind chamber (8), and the top of air outlet (10) is provided with wind direction adjusting plate (22); Described transmission mechanism comprises impeller of blower (11), pusher driving wheel (12) and rocking bar driving wheel (13), impeller of blower (11) is a driving wheel, and impeller of blower (11) and pusher driving wheel (12), pusher driving wheel (12) and rocking bar driving wheel (13) are for being in transmission connection; The hinged connecting rod of the eccentric part of rocking bar driving wheel (13) (14), the end of the other end of connecting rod (14) and a rocking bar (9) is hinged.
2, grain cleaner as claimed in claim 1, it is characterized in that: be provided with supporting base on frame (1) upper strata, supporting base is provided with screw feeder driving wheel (17), locates tiltedly to establish one at spout (3) and promotes screw feeder (15), the axle of screw feeder driving wheel (17) and universal connection of axle of screw feeder (15); The other end at the blower fan wheel shaft is provided with drive (16), and drive (16) is connected with screw feeder driving wheel (17) belt.
3, grain cleaner as claimed in claim 1 or 2, it is characterized in that: between discharging opening (4) and pusher (5), be provided with collection silo (18) and promote screw feeder (19), the upper end of screw feeder (19) axle is provided with angular wheel (20), establish in the end of screw feeder driving wheel (17) angular wheel (21) and with axle head angular wheel (20) engagement of screw feeder (19).
4, grain cleaner as claimed in claim 1 or 2 is characterized in that: impeller of blower (11) is connected for belt with rocking bar driving wheel (13) with pusher driving wheel (12), pusher driving wheel (12).
5, grain cleaner as claimed in claim 1 or 2 is characterized in that: impeller of blower (11) is connected for chain with rocking bar driving wheel (13) with pusher driving wheel (12), pusher driving wheel (12).
6, grain cleaner as claimed in claim 1 or 2 is characterized in that: impeller of blower (11) is connected for gear with rocking bar driving wheel (13) with pusher driving wheel (12), pusher driving wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242588 CN2396900Y (en) | 1999-09-03 | 1999-09-03 | Grain grading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99242588 CN2396900Y (en) | 1999-09-03 | 1999-09-03 | Grain grading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2396900Y true CN2396900Y (en) | 2000-09-20 |
Family
ID=34029163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99242588 Expired - Fee Related CN2396900Y (en) | 1999-09-03 | 1999-09-03 | Grain grading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2396900Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953258A (en) * | 2009-07-17 | 2011-01-26 | 迪尔公司 | Cleaning device and combine harvester comprising cleaning device |
| CN113261432A (en) * | 2021-06-15 | 2021-08-17 | 新疆农垦科学院 | Test bed and test method of through-flow air screen type food sunflower cleaning device |
-
1999
- 1999-09-03 CN CN 99242588 patent/CN2396900Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101953258A (en) * | 2009-07-17 | 2011-01-26 | 迪尔公司 | Cleaning device and combine harvester comprising cleaning device |
| CN113261432A (en) * | 2021-06-15 | 2021-08-17 | 新疆农垦科学院 | Test bed and test method of through-flow air screen type food sunflower cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |