CN212883423U - Grain is with multistage sieving mechanism - Google Patents
Grain is with multistage sieving mechanism Download PDFInfo
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- CN212883423U CN212883423U CN202020940762.0U CN202020940762U CN212883423U CN 212883423 U CN212883423 U CN 212883423U CN 202020940762 U CN202020940762 U CN 202020940762U CN 212883423 U CN212883423 U CN 212883423U
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Abstract
The utility model provides a grain uses multistage sieving mechanism, belongs to grain machinery technical field. The grain collecting tray is arranged at the top of the base, and the small particle intercepting net is arranged above the grain collecting tray and below the large particle intercepting net; the left ends of the large particle intercepting net and the small particle intercepting net are respectively provided with a cam mechanism, and the right ends of the large particle intercepting net and the small particle intercepting net are respectively provided with a spring resetting mechanism. Through driving motor, make cam intermittent type nature promote large granule interception net, tiny particle interception net and rock about to intercept the impurity in the cereal grain.
Description
Technical Field
The utility model relates to a cereal grain uses multistage screening device belongs to grain machinery technical field.
Background
The grain that the harvester was reaped often contains a large amount of dusts, smashes grain, the granule impurity of different particle diameters etc. material, and grain storage then need all be detached these impurity, leave the qualified corn that needs, common grain is with sieve separator screening effect not ideal, can only separate dust and corn usually, perhaps separate large granule impurity and corn, and need the classified collection after the screening, can not carry out multistage screening to grain, lead to screening efficiency ratio lower, bring very big inconvenience for the user.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, provide a cereal grain is with multistage sieving mechanism to the realization carries out multistage screening to cereal grain, improves screening efficiency.
The technical scheme of the utility model as follows:
a multi-stage screening device for grains is characterized by comprising a large-particle intercepting net, a small-particle intercepting net, a grain collecting tray and a base, wherein the grain collecting tray is arranged at the top of the base, and the small-particle intercepting net is arranged above the grain collecting tray and is positioned below the large-particle intercepting net; the left ends of the large particle interception net and the small particle interception net are respectively provided with a cam mechanism, and the right ends of the large particle interception net and the small particle interception net are respectively provided with a spring reset mechanism;
the cam mechanism comprises a driving motor and a cam arranged on the driving motor, the spring resetting mechanism comprises a fixed block, a sliding rod and a spring, and cavities for the sliding of the corresponding sliding rod are respectively arranged at the right ends of the large particle intercepting net and the small particle intercepting net;
one end of each sliding rod extends into the corresponding cavity, the other end of each sliding rod is fixed on the corresponding fixed block, and the spring is sleeved on the sliding rod and positioned between the outer side end of the cavity and the fixed block; through driving motor, make cam intermittent type nature promote large granule interception net, tiny particle interception net and rock about to intercept the impurity in the cereal grain.
Preferably, two ends of the large-particle intercepting net are respectively provided with two groups of cam mechanisms and two groups of spring resetting mechanisms; two ends of the small particle intercepting net are respectively provided with two groups of cam mechanisms and two groups of spring resetting mechanisms.
Preferably, the front side and the rear side of the base are respectively provided with a vertical plate, the two vertical plates which are arranged oppositely commonly clamp a large particle interception net and a small particle interception net, and the large particle interception net and the small particle interception net are respectively connected with the corresponding vertical plates in a left-right sliding mode through sliding rails.
Preferably, the bottom of the grain collection tray is slidably connected with the top of the base through a guide rail.
Preferably, the cam positions of the large particle intercepting net and the small particle intercepting net correspond to each other, the two cams corresponding to the upper and lower positions share one driving motor, and the two cams corresponding to the upper and lower positions are respectively provided with a driven gear; the driving motor is arranged on the base through a left support, and an output shaft of the driving motor is provided with a driving gear which is respectively meshed with the two corresponding driven gears.
Preferably, the fixed blocks of the large particle intercepting net and the small particle intercepting net correspond in position, and the two fixed blocks corresponding to the upper and lower positions share one right support to be fixedly installed on the base.
Preferably, the mesh pore size of the large particle interception net is larger than that of the small particle interception net, and the mesh pore size of the small particle interception net is larger than the grain diameter.
Preferably, the grain collecting tray is of a double-layer structure and comprises a grain intercepting net at the top and an impurity base plate at the bottom, and the mesh aperture of the grain intercepting net is smaller than the grain diameter.
The utility model discloses when using, only need to put into the large granule interception net with the corn after reaping, start driving motor, cam touching large granule interception net, during the tiny particle interception net, the large granule interception net, the tiny particle interception net overcomes the spring force and shifts right along the slide rail, the cam leaves the large granule interception net, behind the tiny particle interception net, under the spring force effect, the large granule interception net, the tiny particle interception net shifts left along the slide rail, so reciprocal, make the large granule interception net, rock about the tiny particle interception net, in proper order to different particle diameters, the particle diameter is greater than the impurity of corn and carries out the interception in grades, stay the corn catch tray at last, the mode through the pull takes out the corn catch tray at base top. Also can set grain collecting tray to bilayer structure as required, leak the impurity chassis of bottom under the impurity that the particle diameter is less than the grain.
The utility model has the advantages of simple and reasonable structure, it is easy to manufacture, realizes carrying out multistage screening to corn, improves screening efficiency, has brought very big facility for the user.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a medium-large particle intercepting net or a small particle intercepting net according to the present invention;
fig. 3 is a schematic view of the connection between the driving motor and the cam according to the present invention;
fig. 4 is a schematic structural view of the top of the middle base of the present invention.
Detailed Description
As shown in the figure, the multi-stage screening device for the grains comprises a large grain intercepting net 1, a small grain intercepting net 2, a grain collecting tray 3 and a base 4, wherein the grain collecting tray is arranged on the top of the base, and the small grain intercepting net is arranged above the grain collecting tray and is positioned below the large grain intercepting net; the left ends of the large particle intercepting net and the small particle intercepting net are respectively provided with a cam mechanism, and the right ends of the large particle intercepting net and the small particle intercepting net are respectively provided with a spring resetting mechanism.
The cam mechanism comprises a driving motor 5 and a cam 6 installed on the driving motor, the spring reset mechanism comprises a fixed block 7, a sliding rod 8 and a spring 9, and cavities 10 for the sliding of the corresponding sliding rods are respectively arranged at the right ends of the large particle intercepting net and the small particle intercepting net. One end of each sliding rod extends into the corresponding cavity, the other end of each sliding rod is fixed on the corresponding fixed block, and the spring is sleeved on the sliding rod and positioned between the outer side end of the cavity and the fixed block; through driving motor, make cam intermittent type nature promote large granule interception net, tiny particle interception net and rock about to intercept the impurity in the cereal grain.
The base is preceding, the rear side is provided with riser 11 respectively, and double-phase common centre gripping large granule interception net, the tiny particle interception net of arranging relatively, and big, tiny particle interception net respectively through slide rail 17 and the riser side-to-side sliding connection that corresponds. The bottom of the grain collecting tray is connected with the top of the base in a sliding way through a guide rail 12.
Two ends of the large particle intercepting net are respectively provided with two groups of cam mechanisms and two groups of spring resetting mechanisms; two ends of the small particle intercepting net are respectively provided with two groups of cam mechanisms and two groups of spring resetting mechanisms. The cam positions of the large particle intercepting net and the small particle intercepting net correspond to each other, the two cams corresponding to the upper and lower positions share one driving motor, and the two cams corresponding to the upper and lower positions are respectively provided with a driven gear 13; the driving motor is arranged on the base through a left bracket 14, and an output shaft of the driving motor is provided with a driving gear 15 which is respectively meshed with two corresponding driven gears. The fixed blocks of the large particle interception net and the small particle interception net correspond in position, and the two fixed blocks corresponding to the upper and lower positions share one right bracket 16 and are fixedly arranged on the base.
The mesh aperture of the large particle interception net is larger than that of the small particle interception net, and the mesh aperture of the small particle interception net is larger than the grain diameter. The grain collecting tray is of a double-layer structure and comprises a grain intercepting net at the top and an impurity base plate at the bottom, and the aperture of meshes of the grain intercepting net is smaller than the grain diameter.
During the use, only need put into the large granule interception net with the corn after reaping, start driving motor, the cam touches the large granule interception net intermittently, the tiny particle interception net, the large granule interception net, the tiny particle interception net overcomes the spring force and shifts to the right, the cam leaves the large granule interception net, behind the tiny particle interception net, under the spring force, the large granule interception net, the tiny particle interception net shifts to the left, so reciprocate, make the large granule interception net, the tiny particle interception net rocks from side to side, in proper order to different particle diameters, the impurity that the granule is greater than the corn carries out the hierarchical interception, stay the corn at the corn catch tray at last.
Claims (8)
1. A multi-stage screening device for grains is characterized by comprising a large-particle intercepting net (1), a small-particle intercepting net (2), a grain collecting tray (3) and a base (4), wherein the grain collecting tray is arranged at the top of the base, and the small-particle intercepting net is arranged above the grain collecting tray and is positioned below the large-particle intercepting net; the left ends of the large particle interception net and the small particle interception net are respectively provided with a cam mechanism, and the right ends of the large particle interception net and the small particle interception net are respectively provided with a spring reset mechanism;
the cam mechanism comprises a driving motor (5) and a cam (6) arranged on the driving motor, the spring resetting mechanism comprises a fixed block (7), a sliding rod (8) and a spring (9), and cavities (10) for the sliding of the corresponding sliding rods are respectively arranged at the right ends of the large particle intercepting net and the small particle intercepting net;
one end of each sliding rod extends into the corresponding cavity, the other end of each sliding rod is fixed on the corresponding fixed block, and the spring is sleeved on the sliding rod and positioned between the outer side end of the cavity and the fixed block; through driving motor, make cam intermittent type nature promote large granule interception net, tiny particle interception net and rock about to intercept the impurity in the cereal grain.
2. The multi-stage screening device for the grains according to claim 1, wherein two groups of cam mechanisms and two groups of spring return mechanisms are respectively arranged at two ends of the large grain intercepting net; two ends of the small particle intercepting net are respectively provided with two groups of cam mechanisms and two groups of spring resetting mechanisms.
3. The multi-stage screening device for the grains according to claim 1, wherein the front side and the rear side of the base are respectively provided with a vertical plate (11), the two vertical plates which are arranged oppositely commonly clamp a large-particle intercepting net and a small-particle intercepting net, and the large-particle intercepting net and the small-particle intercepting net are respectively connected with the corresponding vertical plates in a left-right sliding mode through sliding rails (17).
4. A multi-stage screening apparatus for cereal grain as claimed in claim 3 wherein the bottom of the grain collection tray is slidably connected to the top of the base by guide rails (12).
5. The multi-stage screening device for the grains according to claim 2, wherein the cams of the large grain intercepting net and the small grain intercepting net correspond to each other in position, the two cams corresponding to the upper position and the lower position share one driving motor, and the two cams corresponding to the upper position and the lower position are respectively provided with a driven gear (13); the driving motor is arranged on the base through a left support (14), and an output shaft of the driving motor is provided with a driving gear (15) which is respectively meshed with the two corresponding driven gears.
6. The multi-stage grain screening device as claimed in claim 2, wherein the fixing blocks of the large-particle intercepting net and the small-particle intercepting net correspond to each other in position, and the two fixing blocks corresponding to the upper and lower positions share a right bracket (16) and are fixedly mounted on the base.
7. The multi-stage screening apparatus for cereal grains according to claim 1, wherein the mesh size of the large particle blocking net is larger than that of the small particle blocking net, and the mesh size of the small particle blocking net is larger than the cereal grain size.
8. The multi-stage grain screening device of claim 7, wherein the grain collecting tray has a double-layer structure comprising a top grain intercepting net and a bottom impurity tray, and the grain intercepting net has a mesh opening smaller than the grain size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940762.0U CN212883423U (en) | 2020-05-29 | 2020-05-29 | Grain is with multistage sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020940762.0U CN212883423U (en) | 2020-05-29 | 2020-05-29 | Grain is with multistage sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212883423U true CN212883423U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020940762.0U Active CN212883423U (en) | 2020-05-29 | 2020-05-29 | Grain is with multistage sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212883423U (en) |
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2020
- 2020-05-29 CN CN202020940762.0U patent/CN212883423U/en active Active
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