CN205146664U - Grain screening device - Google Patents
Grain screening device Download PDFInfo
- Publication number
- CN205146664U CN205146664U CN201520859339.7U CN201520859339U CN205146664U CN 205146664 U CN205146664 U CN 205146664U CN 201520859339 U CN201520859339 U CN 201520859339U CN 205146664 U CN205146664 U CN 205146664U
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- CN
- China
- Prior art keywords
- sieve
- frame
- screen cloth
- cereal
- vibrating motor
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- 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.)
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Abstract
The utility model discloses a grain screening device, including the frame to and set up cereal cleaning machine, chaffer screen body group spare and the lower sieve body group spare in the frame, and chaffer screen body group spare includes chaffer screen support frame, chaffer screen, goes up the motor support and go up vibrating motor, and the chaffer screen support frame fixed mounting be in in the frame, place chaffer screen and last motor support on the chaffer screen support frame, upward place on the motor support go up vibrating motor, go up vibrating motor and be used for driving the chaffer screen vibration, the chaffer screen includes the screen cloth, and online distribution of chaffer screen has first sieve mesh to it is online to make the big debris of size ratio settlement granularity stay the chaffer screen, and makes the cereal that accords with the particle diameter requirement fall into down on the screen frame, lower sieve body group spare includes lower sieve support frame, lower sieve, lower motor support and lower vibrating motor. The utility model discloses both improved the efficiency of cereal screening, and guaranteed the efficiency of cereal screening again, but also can filter to different kinds of cereal, but the wide application had been filtered in cereal.
Description
Technical field
The utility model belongs to screening plant field, more specifically, relates to a kind of grain sieving device.
Background technology
At present, grain screening mainly adopts screening, than several modes such as gravity treatment, air force choosing, surface characteristic choosings.Wherein, maximum a kind of forms is used in screening, it makes cereal move on compass screen surface, the feature of the size shape utilizing them different, mixture is divided into by sieve aperture with not by two parts of sieve aperture, remove by the bigger material (short stem, disconnected fringe, large sand grains, cob brick etc.) in cereal colony and little foreign material (not filled grains, grit, soil block, clever shell etc.), and retain full ripe grain.In screening process, material is by sieve aperture, and its necessary condition is exactly that the size of particle must be less than sieve aperture, and particle also will have the chance by sieve aperture simultaneously; And its adequate condition is the relative motion that will keep certain forms between particle and compass screen surface.Affect the many because have of screening effect, comprising aspects such as material properties, compass screen surface structural parameters, compass screen surface motion modes.The movement locus of sieve nest is the most important factor affecting grain cleaning cleanliness.The design of sieve nest motion should ensure that screening process has higher productivity ratio and good separating property.Therefore cereal screening machine is in foodstuff preservation, processing and have very important effect to the adjustment of the structure of agricultural production and the increase of farmers' income.
In grain sieving device, Denmark WESTRUP Products adopts triangle table top list blower fan positive-pressure type structure, and heavily assorted cleaning effect is better; Austria HEID company product be multi-joint blower fan rectangular mesa, two particle balanced structure, invalid vibration and noise little; Germany PETKUS Products list blower fan rectangular mesa; U.S. OUVER Products triangle or rectangular mesa, adopt multi-joint centrifugal blower, noise is slightly high but separating effect is obvious, develop hydraulic regulating device again, flexible operation, is applicable to the operation of main equipment, and its little volume production adopts mixed type table top (as 316M type), be particularly suitable for cleaning of the small-sized seeds such as vegetables, energy consumption and noise moderate; The product of LMC company adopts two vibrating grid balanced controls, and it is moderate to clean effect, but general structure is huge.
Although several screening plant has its features above, to today people concerning food requirement, screening precision is still not high enough, and screening cereal is single.In addition, screening effeciency also has much room for improvement.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of grain sieving device, by the improvement to structure, vibrational system, makes it improve screening effeciency, ensure that the precision of screening.
For achieving the above object, according to the utility model, provide a kind of grain sieving device, it is characterized in that, comprise frame, and be arranged on the grain washing machine in frame, upper sieve nest assembly and lower sieve nest assembly, wherein,
Described grain washing machine is for removing the dirt on cereal surface and the cereal after cleaning being delivered to described upper sieve nest assembly;
Described upper sieve nest assembly comprises top sieve bracing frame, top sieve, upper electric machine support and upper vibrating motor, described top sieve bracing frame is fixedly mounted in described frame, described top sieve bracing frame is placed described top sieve and upper electric machine support, described upper electric machine support places described upper vibrating motor, and described upper vibrating motor vibrates for driving described top sieve; Described top sieve comprises upper screen cloth, described upper screen cloth is distributed with the first sieve aperture, stays on upper screen cloth, and make the cereal meeting Particle size requirements fall on described lower sieve nest with the foreign material making particle diameter larger than setting granularity;
Described lower sieve nest assembly comprises lower sieve bracing frame, lower sieve, lower electric machine support and lower vibrating motor, described lower sieve bracing frame is fixedly mounted in described frame, described lower sieve bracing frame is placed described lower sieve and lower electric machine support, described lower electric machine support places described lower vibrating motor, and described lower vibrating motor is for driving described lower sieve vibration; Described lower sieve comprises lower screen cloth, described lower screen cloth is distributed with the second sieve aperture, and to make the cereal meeting Particle size requirements stay on described lower screen cloth, and the foreign material making particle diameter less than setting granularity drop out from the second sieve aperture of lower screen cloth.
Preferably, described frame is provided with stair bracing frame, stair, handrail, maintenance platform and multiple safety door, described stair bracing frame is fixedly mounted in described frame, for the described stair of support, described stair is provided with maintenance platform.
Preferably, described frame is also provided with multiple top sieve bearing, described top sieve bracing frame is placed on described top sieve bearing.
Preferably, described frame is also provided with multiple lower sieve bearing, described lower sieve bracing frame is placed on described lower sieve bearing.
Preferably, the first sieve aperture on described first screen cloth is embarked on journey column distribution, and the first sieve aperture interlaced arrangement of adjacent two row.
Preferably, the first sieve aperture on described second screen cloth is embarked on journey column distribution, and the second sieve aperture interlaced arrangement of adjacent two row.
Preferably, described first sieve aperture is rounded.
Preferably, described second sieve aperture is rectangle.
Preferably, the lower end of described frame is also provided with the roller being convenient to machine frame movement position.
Preferably, the position that described frame is corresponding to lower screen cloth is also provided with lower sieve discharge component, delivers to external device (ED) for by the cereal on described lower screen cloth.
In general, the above technical scheme conceived by the utility model compared with prior art, can obtain following beneficial effect:
The utility model adopts upper screen cloth and lower screen cloth to carry out the screening of cereal, upper vibrating motor and lower vibrating motor drive upper screen cloth and lower screen cloth to screen respectively, first upper screen cloth was used to filter out foreign material larger in cereal, cereal can be fallen on lower screen cloth, foreign material less in cereal can be filtered out at lower screen cloth, less foreign material can drop out lower sieve, thus cereal clean leave screening on lower sieve after.Therefore, this grain sieving device had both improve the efficiency of grain screening, in turn ensure that the efficiency of grain screening, and can also screen for dissimilar cereal, can be widely used in grain screening.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the front view of upper sieve nest assembly in the utility model;
Fig. 4 is the top view of upper sieve nest assembly in the utility model;
Fig. 5 is the front view of lower sieve nest assembly in the utility model;
Fig. 6 is the top view of lower sieve nest assembly in the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.In addition, if below in described each embodiment of the utility model involved technical characteristic do not form conflict each other and just can mutually combine.
With reference to Fig. 1 ~ Fig. 6, a kind of grain sieving device, comprises frame, and is arranged on the grain washing machine 7 in frame, upper sieve nest assembly and lower sieve nest assembly, wherein,
Described grain washing machine 7 is for removing the dirt on cereal surface and the cereal after cleaning being delivered to described upper sieve nest assembly;
Described upper sieve nest assembly comprises top sieve bracing frame, top sieve, upper electric machine support 11 and upper vibrating motor, described top sieve bracing frame is fixedly mounted in described frame, preferably, described frame is also provided with multiple top sieve bearing 6, described top sieve bracing frame is placed on described top sieve bearing 6.Described top sieve bracing frame is placed described top sieve and upper electric machine support 11, described upper electric machine support 11 places described upper vibrating motor, described upper vibrating motor vibrates for driving described top sieve; Described top sieve comprises upper screen cloth 12, and described upper screen cloth 12 is distributed with the first sieve aperture, stays on upper screen cloth 12, and make the cereal meeting Particle size requirements fall on described lower sieve nest with the foreign material making particle diameter larger than setting granularity; Preferably, the first sieve aperture on described first screen cloth is embarked on journey column distribution, and the first sieve aperture interlaced arrangement of adjacent two row.Preferably, described first sieve aperture is rounded.
Described lower sieve nest assembly comprises lower sieve bracing frame, lower sieve, lower electric machine support and lower vibrating motor 19, described lower sieve bracing frame is fixedly mounted in described frame, described lower sieve bracing frame is placed described lower sieve and lower electric machine support, described lower electric machine support places described lower vibrating motor 19, and described lower vibrating motor 19 is for driving described lower sieve vibration; Described lower sieve comprises lower screen cloth 21, and described lower screen cloth 21 is distributed with the second sieve aperture, and to make the cereal meeting Particle size requirements stay on described lower screen cloth 21, and the foreign material making particle diameter less than setting granularity drop out from the second sieve aperture of lower screen cloth 21.Preferably, the first sieve aperture on described second screen cloth is embarked on journey column distribution, and the second sieve aperture interlaced arrangement of adjacent two row.Preferably, described second sieve aperture is rectangle.
Further, described frame is provided with stair bracing frame 1, stair 2, handrail 3, maintenance platform 8 and multiple safety door, described stair bracing frame 1 is fixedly mounted in described frame, for the described stair 2 of support, described stair 2 is provided with maintenance platform 8.In addition, can be keeped in repair by maintenance platform 8 pairs of grain sieving devices.Safety door comprises 2 end cap doors 4 and side cover door 9, with facilitate take out screening after clean cereal.
Further, the lower end of described frame is also provided with the roller being convenient to machine frame movement position.
Further, the position that described frame is corresponding to lower screen cloth 21 is also provided with lower sieve discharge component 20, delivers to external device (ED) for by the cereal on described lower screen cloth 21.
Frame of the present utility model is a movable fixture, and sieve nest assembly under lower sieve bearing 5 place places, top sieve bearing 6 place puts sieve nest assembly.After cereal is put into cleaning room 7 cleaning, first carry out scalping through top sieve, filter out larger foreign material, then carry out dusting cover by lower sieve, less lengthy and jumbled without removing.
With reference to Fig. 3 and Fig. 4, top sieve bracing frame to comprise at the bottom of front and back stiffener 10, front stiffener 13, crossbeam 14, upper sieve plate 15 etc.The effect of upper sieve nest assembly drives screen cloth vibration by vibrating motor, carries out scalping to cereal.First sieve aperture of upper screen cloth 12 is round sieve, and cereal enters lower screen cloth 21 by round sieve, larger lengthy and jumbled thing not by round sieve above upper screen cloth 12.Therefore foreign material larger in cereal can be removed by top sieve mesh screen.
With reference to Fig. 5 and Fig. 6, lower sieve bracing frame comprises baffle plate 16, retaining bolt 17, sealing crossbeam 18, pedestal 22 etc.Pedestal 22 is shelved on lower sieve bearing 5, lower screen cloth 21 sieve aperture be square sieve aperture, often row between sieve aperture be staggered, advantageously in raising screening effeciency.Lower vibrating motor 19 is arranged in bilateral symmetry, and we, by the position, direction of adjustment vibrating motor, can obtain different screening campaigns.Lower screen cloth 21 is dusting cover face, namely fine screen.In the process of screening, foreign material less in cereal can pass through on the second sieve aperture of lower screen cloth 21, and the top of lower screen cloth 21 stayed by clean cereal, transported out by lower sieve discharge component 20.Fall tiny foreign material by lower screen cloth sieving, finally obtain clean cereal.
Therefore adopt this device can the efficiency of larger raising grain screening and precision, the screening of variety classes cereal can be widely used in.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a grain sieving device, is characterized in that, comprises frame, and is arranged on the grain washing machine in frame, upper sieve nest assembly and lower sieve nest assembly, wherein,
Described grain washing machine is for removing the dirt on cereal surface and the cereal after cleaning being delivered to described upper sieve nest assembly;
Described upper sieve nest assembly comprises top sieve bracing frame, top sieve, upper electric machine support and upper vibrating motor, described top sieve bracing frame is fixedly mounted in described frame, described top sieve bracing frame is placed described top sieve and upper electric machine support, described upper electric machine support places described upper vibrating motor, and described upper vibrating motor vibrates for driving described top sieve; Described top sieve comprises upper screen cloth, described upper screen cloth is distributed with the first sieve aperture, stays on upper screen cloth, and make the cereal meeting Particle size requirements fall on described lower sieve nest with the foreign material making particle diameter larger than setting granularity;
Described lower sieve nest assembly comprises lower sieve bracing frame, lower sieve, lower electric machine support and lower vibrating motor, described lower sieve bracing frame is fixedly mounted in described frame, described lower sieve bracing frame is placed described lower sieve and lower electric machine support, described lower electric machine support places described lower vibrating motor, and described lower vibrating motor is for driving described lower sieve vibration; Described lower sieve comprises lower screen cloth, described lower screen cloth is distributed with the second sieve aperture, and to make the cereal meeting Particle size requirements stay on described lower screen cloth, and the foreign material making particle diameter less than setting granularity drop out from the second sieve aperture of lower screen cloth.
2. a kind of grain sieving device according to claim 1, it is characterized in that, described frame is provided with stair bracing frame, stair, handrail, maintenance platform and multiple safety door, described stair bracing frame is fixedly mounted in described frame, for the described stair of support, described stair are provided with maintenance platform.
3. a kind of grain sieving device according to claim 1, is characterized in that, described frame is also provided with multiple top sieve bearing, and described top sieve bracing frame is placed on described top sieve bearing.
4. a kind of grain sieving device according to claim 1, is characterized in that, described frame is also provided with multiple lower sieve bearing, and described lower sieve bracing frame is placed on described lower sieve bearing.
5. a kind of grain sieving device according to claim 1, is characterized in that, the first sieve aperture on described first screen cloth is embarked on journey column distribution, and the first sieve aperture interlaced arrangement of adjacent two row.
6. a kind of grain sieving device according to claim 1, is characterized in that, the first sieve aperture on described second screen cloth is embarked on journey column distribution, and the second sieve aperture interlaced arrangement of adjacent two row.
7. a kind of grain sieving device according to claim 1, is characterized in that, described first sieve aperture is rounded.
8. a kind of grain sieving device according to claim 1, is characterized in that, described second sieve aperture is rectangle.
9. a kind of grain sieving device according to claim 1, is characterized in that, the lower end of described frame is also provided with the roller being convenient to machine frame movement position.
10. a kind of grain sieving device according to claim 1, is characterized in that, the position that described frame is corresponding to lower screen cloth is also provided with lower sieve discharge component, delivers to external device (ED) for by the cereal on described lower screen cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859339.7U CN205146664U (en) | 2015-10-30 | 2015-10-30 | Grain screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520859339.7U CN205146664U (en) | 2015-10-30 | 2015-10-30 | Grain screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205146664U true CN205146664U (en) | 2016-04-13 |
Family
ID=55682405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520859339.7U Expired - Fee Related CN205146664U (en) | 2015-10-30 | 2015-10-30 | Grain screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205146664U (en) |
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2015
- 2015-10-30 CN CN201520859339.7U patent/CN205146664U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161030 |
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| CF01 | Termination of patent right due to non-payment of annual fee |