CN215695780U - Screening and grading grain machine - Google Patents
Screening and grading grain machine Download PDFInfo
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- CN215695780U CN215695780U CN202120303348.3U CN202120303348U CN215695780U CN 215695780 U CN215695780 U CN 215695780U CN 202120303348 U CN202120303348 U CN 202120303348U CN 215695780 U CN215695780 U CN 215695780U
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Abstract
The utility model relates to a screening and grading grain machine, which comprises a rack, a feed hopper arranged on the rack, a screening device positioned below the feed hopper, a dust removal air screen, a fan arranged on one side of the dust removal air screen and communicated with the interior of the dust removal air screen, and a cylindrical screen device arranged below the dust removal air screen and connected with the dust removal air screen, wherein materials flowing out of a finished product outlet of the screening device are conveyed into the dust removal air screen through a lifting device; the material is screened by the screening part screen box, then large impurities and small impurities are removed, and then the thickness grading is carried out by the cylindrical screen device to remove impurities such as blighted grains, so that the screening precision of the finished product is high, and the structure of the whole machine is more compact.
Description
Technical Field
The utility model relates to a screening and grading grain machine.
Background
The screening and grading machine is one of the essential devices in the seed and grain screening and processing process and mainly comprises a wind screening part and a thickness grading part. Used for removing impurities such as light impurities, large impurities, small impurities, blighted grains and the like doped in grains. The existing wind screening part comprises a feeding box, a wind screen and a screen box part, and materials need to enter the wind screen after being scattered by the feeding box to be layered under the action of wind pressure of a fan so as to remove light impurities in the materials. Each part is that the wind damage of independent structure fan and the longer fan of wind sieve pipeline is very big, and equipment volume is great, and the material layering screening effect is mainly limited by sieve case effect, if the volume of increase sieve case is in order to improve the screening effect, can further increase the volume of complete machine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a screening and grading grain machine with better screening effect.
The technical scheme adopted by the utility model is as follows: the utility model provides a screening and grading grain machine, its includes the frame, set up the feeder hopper in the frame, be located the sieving mechanism of feeder hopper below, remove dust wind sieve, set up in remove dust wind sieve one side and with the inside fan that communicates of remove dust wind sieve and set up in remove dust wind sieve below and the cylinder sieve device that links to each other with it, the material that flows from sieving mechanism's finished product outlet nozzle transports to remove dust in the wind sieve through hoisting device.
Furthermore, the dust removal air screen comprises a dust removal box body, a bulk grain hopper arranged on the top surface of the dust removal box body and a bulk grain plate obliquely arranged below the bulk grain hopper, the fan is positioned on one side of the dust removal box body, a discharge receiving hopper is arranged at the bottom of the dust removal box body, and materials enter the cylindrical screen device through the discharge receiving hopper.
Furthermore, an air inlet is formed in the side wall of the dust removing air screen and located at the corresponding position below each grain dispersing plate, an inclined air guide plate is arranged on one side of the grain dispersing hopper, the air inlet and the air guide plate are respectively arranged on the left side and the right side of the grain dispersing plate, and the air inlet is opposite to the air inlet end of the fan.
Furthermore, the number of the air deflectors corresponds to that of the air inlets, the air deflectors and the corresponding bulk grain plates are in an inverted herringbone structure, and the low side ends of the air deflectors are located below the low side ends of the corresponding bulk grain plates.
Furthermore, a grain falling chamber and an air suction chamber which are communicated with each other are formed in the dust removal box body through the partition plates, the air inlet end of the fan is located in the air suction chamber, the grain dispersing plate and the air guide plate are located in the grain falling chamber, and the top of the air guide plate corresponds to the communicating position of the grain falling chamber and the air suction chamber.
Furthermore, an inclined guide plate is arranged at the bottom of the dust removal air screen, and the discharge receiving hopper is positioned at the lower side end of the guide plate.
Furthermore, the screening device comprises a screen body, a first screen plate arranged in the screen body and a second screen plate arranged below the first screen plate, rubber cleaning balls are arranged in the first screen plate and the second screen plate, a small impurity receiving hopper, a large impurity receiving hopper and a finished product outlet nozzle are arranged on the screen body,
furthermore, the cylinder screen device comprises a cylinder screen box body, a cylinder screen plate which is arranged in the cylinder screen box body and is cylindrical, and a feeding end cover and a discharging end cover which are arranged at the left end and the right end of the cylinder screen plate, wherein one side of the feeding end cover is connected with a driving wheel, and one side of the discharging end cover is provided with a supporting frame.
Furthermore, the dust removing device also comprises a cylindrical screen feed hopper, wherein the cylindrical screen feed hopper corresponds to a good material outlet of the dust removing air screen.
Further, the frame is fixedly mounted on the frame.
The utility model has the positive effects that: the material is screened by the screening part screen box, then large impurities and small impurities are removed, and then the thickness grading is carried out by the cylindrical screen device to remove impurities such as blighted grains, so that the screening precision of the finished product is high, and the structure of the whole machine is more compact.
Through with fan and the inside direct intercommunication of dust removal air sieve, the two structure is compacter, and the selection by winnowing effect is more direct. When the material enters into dust removal air screen inside, carry out a lot of bulk cargos through multilayer bulk grain board, all get rid of the dust and the light impurity in the material under the effect of air intake behind the bulk cargos at every turn to the position relative with bulk grain board is equipped with the aviation baffle, and dust and light impurity enter into the air intake of fan through the guide effect of aviation baffle, then discharge, and overall structure is compacter, and dust removal work is gone on in the air screen box, and the effect is more direct, and the effect is also better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the dust removing air screen of the present invention;
FIG. 3 is a schematic structural view of a screening apparatus according to the present invention;
fig. 4 is a schematic view of the cylindrical screen apparatus of the present invention.
Detailed Description
As shown in the attached drawings 1-4, the utility model comprises a frame 1, a frame 16, a feed hopper 6, a screening device 5, a lifting device 8, a dust removing air screen 10, a fan 11 and a cylindrical screen device 13.
The frame 16 is fixed on the frame 1, and the whole machine can walk, and the feed hopper 6, the screening device 5, the lifting device 8, the dust removal air screen 10, the fan 11 and the cylinder screen device 13 are all fixed on the frame 16. The feed hopper 6 is positioned above the feed inlet of the screening device 5, good materials flowing out of a finished product outlet 4 of the screening device enter the hopper of the lifting device 8, are lifted to a high position and then enter the dust removal air screen 10 through the grain conveying pipe 9, the good materials flowing out of the dust removal air screen 10 enter the cylindrical screen device 13, finally, finished products are discharged from a finished product outlet 14, and impurities are discharged from the impurity receiving hopper 15.
As shown in fig. 2, the dust removing air sieve 10 includes a dust removing box 18, a bulk material hopper 17 disposed on the top surface of the dust removing box 18, a grain dispersing plate 19 and an air guiding plate 21 disposed below the bulk material hopper 17, and an air inlet 20 disposed on a side wall of the dust removing box 18. A partition plate is arranged in the dust removal box body 18 and divides the interior of the dust removal air screen 10 into a grain falling chamber and an air suction chamber, the upper end of the partition plate is opened, the grain falling chamber is communicated with the air suction chamber, the air inlet end of the fan 11 is positioned in the air suction chamber, and the air outlet 12 of the fan is arranged outside the dust removal box body 18. The bulk grain plates 19 and the air deflectors 21 are both positioned in the grain dropping chamber, the opposite group of bulk grain plates 19 and air deflectors 21 are in an inverted herringbone shape, in the embodiment, three groups of bulk grain plates 19 and air deflectors 21 are arranged, the lower side end of each air deflector 21 is positioned below the lower side end of the corresponding bulk grain plate 19, the top of each air deflector 21 corresponds to the communication position of the grain dropping chamber and the air suction chamber, and the air inlet 20 is positioned on the side wall close to the bulk grain plates 19 and is opposite to the air inlet end of the fan 11. After the materials enter the dust removal box body 18, the bulk grain plate 19 is used for bulk grain, and dust and light impurities are removed by the negative pressure of the fan 11 in the falling process.
The bottom of the grain falling chamber of the dust removal box body is provided with an inclined guide plate, and the lower side end of the guide plate is provided with a discharging receiving hopper 23.
As shown in fig. 3, the screening device 5 includes a screen body 24, a first screen plate 26 disposed in the screen body 24, and a second screen plate 27 disposed below the first screen plate 26, rubber cleaning balls 28 are disposed in the first screen plate 26 and the second screen plate 27, a small impurity receiving hopper 2 is disposed at the lower end of the screen body 24, and a large impurity receiving hopper 3 and a finished product outlet 4 are disposed on a grain discharging box 29 connected to the end of the screen body. A vibration motor 25 is further provided on the screen body 24.
As shown in the attached figure 4, the cylindrical screen device 13 comprises a cylindrical screen box body 35, a cylindrical screen plate 34 which is arranged inside the cylindrical screen box body 35 and is cylindrical, and a feeding end cover 33 and a discharging end cover 36 which are arranged at the left end and the right end of the cylindrical screen plate 34, wherein a cylindrical screen feeding hopper 32 is arranged at one end of the feeding end cover 33, the upper end of the cylindrical screen feeding hopper 32 extends out of the cylindrical screen box body 35 and corresponds to a discharging receiving hopper 23 of the dust removing air screen 10 to receive materials, screened small impurities and blighted grains are discharged from an impurity receiving hopper 15 at the bottom of the box body through the screen plate, and a finished product outlet 14 arranged at the lower end of the material discharging end cover after sorting is discharged. The driving wheel 30 is connected with one side of the feeding end cover 33, and the supporting frame is arranged on one side of the discharging end cover 36.
The bulk grain and dust removal function are arranged on the same frame, after materials entering the air screen box body are subjected to bulk scattering, dust and light impurities in the materials are adsorbed by air from the air inlet and enter the fan through the air deflector, the structure is more compact, dust removal is performed in the air screen box body, the effect is more direct, and the effect is better. The materials are screened by the screening part screen box, then large impurities and small impurities are removed, and then the thickness grading is carried out by the cylindrical screen device to remove impurities such as blighted grains, the finished product screening precision is high, and the whole machine structure is more compact.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a screening and grading grain machine, its characterized in that it includes frame (16), feeder hopper (6) of setting in frame (16), sieving mechanism (5) that are located feeder hopper (6) below, dust removal air sieve (10), set up in dust removal air sieve (10) one side and with fan (11) and the cylinder screen assembly (13) that set up in dust removal air sieve (10) below and link to each other with dust removal air sieve (10) inside intercommunication, the material that flows out mouth (4) from the finished product of sieving mechanism (5) is transported to dust removal air sieve (10) in through hoisting device (8).
2. The screening and grading grain machine according to claim 1, characterized in that the dust removing air screen (10) comprises a dust removing box body (18), a grain dispersing hopper (17) arranged on the top surface of the dust removing box body and a grain dispersing plate (19) obliquely arranged below the grain dispersing hopper (17), the fan (11) is positioned at one side of the dust removing box body (18), a discharging receiving hopper (23) is arranged at the bottom of the dust removing box body (18), and the material enters the cylindrical screen device (13) through the discharging receiving hopper (23).
3. The screening and grading grain machine according to claim 2, characterized in that an air inlet (20) is provided on the side wall of the dust-removing air screen (10) and at a corresponding position below each grain bulk plate (19), an inclined air deflector (21) is provided at one side of the grain bulk hopper (17), and the air inlet (20) and the air deflector (21) are respectively provided at the left and right sides of the grain bulk plate (19).
4. The screening and grading grain machine according to claim 3, characterized in that the number of the air deflectors (21) corresponds to the number of the air inlets (20), the air deflectors (21) and the corresponding bulk grain plates (19) are in an inverted herringbone structure, and the lower side ends of the air deflectors (21) are positioned below the lower side ends of the corresponding bulk grain plates (19).
5. The screening and grading grain machine according to claim 3 or 4, characterized in that a partition is arranged in the dedusting box (18) to form a grain dropping chamber and an air suction chamber which are communicated with each other inside the dedusting box (18), the air inlet end of the fan (11) is positioned in the air suction chamber, the grain dispersing plate (19) and the air deflector (21) are both positioned in the grain dropping chamber, and the top of the air deflector (21) corresponds to the communication position of the grain dropping chamber and the air suction chamber.
6. The screening and grading grain machine according to claim 2, characterized in that an inclined deflector is arranged at the bottom of the dust-removing air screen (10), and the discharge receiving hopper (23) is positioned at the lower side end of the deflector.
7. A screening and grading grain machine according to claim 1, characterized in that the screening device (5) comprises a screen frame (24), a first screen deck (26) arranged in the screen frame (24) and a second screen deck (27) arranged below the first screen deck (26), rubber cleaning balls (28) are arranged in the first screen deck (26) and the second screen deck (27), and a small impurity receiving hopper (2), a large impurity receiving hopper (3) and a finished product outlet nozzle (4) are arranged on the screen frame (24).
8. The screening and grading grain machine according to claim 1, characterized in that the cylindrical screen device (13) comprises a cylindrical screen box (35), a cylindrical screen plate (34) arranged inside the cylindrical screen box (35) and a feeding end cover (33) and a discharging end cover (36) arranged at the left and right ends of the cylindrical screen plate (34), wherein one side of the feeding end cover (33) is connected with the driving wheel (30), and one side of the discharging end cover (36) is provided with a supporting frame.
9. The screening and grading grain machine according to claim 8, characterized by further comprising a cylindrical screen feed hopper (32), said cylindrical screen feed hopper (32) corresponding to the good material outlet of the dust removal air screen (10).
10. A screening and grading grain machine according to claim 1, characterized in that the frame (16) is fixedly mounted on the frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303348.3U CN215695780U (en) | 2021-02-03 | 2021-02-03 | Screening and grading grain machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120303348.3U CN215695780U (en) | 2021-02-03 | 2021-02-03 | Screening and grading grain machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215695780U true CN215695780U (en) | 2022-02-01 |
Family
ID=80012046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120303348.3U Active CN215695780U (en) | 2021-02-03 | 2021-02-03 | Screening and grading grain machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215695780U (en) |
-
2021
- 2021-02-03 CN CN202120303348.3U patent/CN215695780U/en active Active
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