CN212910851U - Cleaning device for rice harvester - Google Patents
Cleaning device for rice harvester Download PDFInfo
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- CN212910851U CN212910851U CN202021558299.XU CN202021558299U CN212910851U CN 212910851 U CN212910851 U CN 212910851U CN 202021558299 U CN202021558299 U CN 202021558299U CN 212910851 U CN212910851 U CN 212910851U
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- filter screen
- flow guide
- rice
- sweeping
- shell
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Abstract
The utility model provides a cleaning device for a rice harvester, which utilizes vibration screening to replace the prior air flow and sieve to be matched for cleaning, has better cleanliness, multiple screening and full cleaning, is provided with a material distribution mechanism with 2 groups of symmetrical helical blades, and can spread rice mixture and evenly discharge; be provided with filtering mechanism, filtering mechanism's filter screen A, filter screen B, filter screen C's mesh diameter increases from right side to left side in proper order, and at filter screen B, filter screen C downside is provided with water conservancy diversion mechanism respectively, and be provided with in the filtering mechanism top and sweep the mechanism, can be according to the seed grain of rice, it is miscellaneous, the diameter size of garrulous straw cleans the rice mixture many times, it has Y and is the silica gel strip to sweep the clear useless piece of mechanism, can be with the rice mixture brush flush, it has X and be the scraper blade to scrape the piece, can plough the rice mixture loose, make the disintegrating slag of rice, seed grain, the shell is more dispersed, and then filter more fully.
Description
Technical Field
The utility model relates to the field of agricultural machinery, especially, relate to a cleaning plant for rice harvester.
Background
The rice is a main grain crop, the planting area is large, the yield is high, the variety is many, in China, the mechanization degree of combined harvesting for completing harvesting, threshing, separating stalks and cleaning grains at one time is relatively low, the cleaning quality of a cleaning device of the rice harvester can directly influence the working efficiency of the whole machine, the impurity rate of grains in the cleaning performance and the cleaning loss rate are one of main indexes for measuring the product quality of the harvester, and therefore, the design of a reasonable cleaning device is particularly important.
The common cleaning is to clean by utilizing the matching of the airflow of a fan and a sieve, the cleaning sieve is used for screening and combining the wind generated by a fan below the cleaning sieve to ensure that grains, a shell and crushed slag of a rice mixture are respectively in a suspension state so as to separate the grains, and the shell and the crushed slag are blown out of the machine.
Disclosure of Invention
According to the technical problems, the utility model provides a cleaning device for a rice harvester, which is characterized by comprising a material distributing mechanism, a flow guide mechanism, a sweeping mechanism, a filtering mechanism, a shell, a material inlet and a material outlet,
the feeding device comprises a shell, a vibrating motor, a filtering mechanism, a sweeping mechanism, a flow guide mechanism, a discharging port and a feeding mechanism, wherein the top of the right end of the shell is provided with the feeding port, the top of the shell is provided with the material distributing mechanism, the material distributing mechanism is arranged at the feeding port, the vibrating motor is arranged in the shell, the filtering mechanism is arranged on the vibrating motor, the sweeping mechanism is arranged in the shell and is arranged on the upper side of the filtering mechanism, the flow guide mechanism is arranged in the shell and is arranged on the lower side of the filtering mechanism, the bottom;
the filter mechanism is of an inclined structure relative to the ground, the left end and the right end of the filter mechanism are respectively provided with a vibration motor, the filter mechanism comprises a filter screen A, a filter screen B and a filter screen C, the filter screen A, the filter screen B and the filter screen C are sequentially welded and connected from right to left, and the mesh diameters of the filter screen A, the filter screen B and the filter screen C are sequentially increased from right to left;
the flow guide mechanism comprises 2 groups of flow guide nets and flow guide plates, the flow guide plates are arranged below the flow guide nets, the flow guide nets and the filter mechanism are of inclined structures, and the flow guide plates are of inclined structures relative to the flow guide nets;
the diameter of the mesh of the flow guide net of the flow guide mechanism below the filter screen B is the same as that of the mesh of the filter screen A, and the diameter of the mesh of the flow guide net of the flow guide mechanism below the filter screen C is the same as that of the mesh of the filter screen B;
3 discharge ports are arranged on the lower sides of the filter screen A, the filter screen B and the filter screen C respectively;
the sweeping mechanism comprises 2 groups of sweeping rotating shafts, waste cleaning pieces and scraping pieces, wherein the sweeping rotating shafts are arranged between the filter screen A and the filter screen B and between the filter screen B and the filter screen C respectively;
the scraping piece is connected with the sweeping rotating shaft through a mounting bracket A, and the waste removing piece is connected with the sweeping rotating shaft through a mounting bracket B;
y waste cleaning pieces are provided, Y is more than or equal to 2, X scraping pieces are provided, and X is more than or equal to 2;
the waste cleaning piece is a silica gel strip, and the scraping piece is a scraper;
the material distribution mechanism comprises a material distribution plate, helical blades and a material distribution rotating shaft, the helical blades are sleeved outside the material distribution rotating shaft, and the material distribution plate is arranged on the lower side of the helical blades; the spiral blades are provided with 2 groups which are symmetrically arranged;
the longitudinal sections of the material distribution plates in the front and back directions are of arc structures, and material leakage holes are formed in the material distribution plates;
the material distributing plate is arranged in the shell, the end part of the material distributing rotating shaft is connected with a rotating motor A, and the rotating motor A is arranged on the shell;
the end part of the sweeping rotating shaft is connected with a rotating motor B, and the rotating motor B is installed on the shell.
The utility model has the advantages that: the utility model discloses utilize the vibration screening to replace current air current and sieve cooperation to clean, the cleanliness is better, and multiple screening, cleans fully.
The utility model is provided with a material distributing mechanism with 2 sets of symmetrical helical blades, and a material distributing plate provided with material leaking holes is arranged at the lower side of the helical blades, so that rice mixture can be evenly pushed to the two ends of the material distributing plate to spread rice and fall out of the material leaking holes, and the material is evenly discharged, thereby improving the cleaning quality;
the utility model discloses be provided with filtering mechanism, filtering net A of filtering mechanism, filtering net B, the mesh diameter of filtering net C increases from right side to left side in proper order, and be provided with the guiding mechanism respectively at filtering net B, filtering net C downside, the mesh diameter of the guiding plate of the guiding mechanism of filtering net B downside is the same with the mesh diameter of filtering net A, the mesh diameter of the guiding plate of the guiding mechanism of filtering net C downside is the same with the mesh diameter of filtering net B, and be provided with the mechanism of sweeping the paper-back edition above filtering mechanism, can clean the rice mixture many times according to the seed grain of rice, miscellaneous, the diameter size of garrulous straw, clean more fully; the waste cleaning pieces of the sweeping mechanism are Y and silica gel strips, the rice mixture can be brushed and spread out, the scraping pieces are X and scrapers, the rice mixture can be plowed and loosened, broken slag, grains and shells of rice are dispersed, and then the rice mixture is filtered more fully.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the right side structure of part A in FIG. 1;
fig. 3 is a schematic structural view of the sweeping mechanism of the present invention.
As shown in the figure: 1-1, a filter screen A, 1-2, a filter screen B, 1-3, a filter screen C, 1-4, a vibration motor, 2-1, a sweeping rotating shaft, 2-2, a waste cleaning piece, 2-2-1, a mounting bracket B, 2-3, a scraping piece, 2-3-1, a mounting bracket A, 3-1-1, a flow guide net, 3-1-2, a flow guide plate, 4, a helical blade, 4-1, a material distribution rotating shaft, 4-2, a material distribution plate, 4-2-1, a material leakage hole, 5, a material outlet and 6 a material inlet.
Detailed Description
Example 1
The utility model provides a cleaning device for a rice harvester, which is characterized by comprising a material distributing mechanism, a flow guide mechanism, a sweeping mechanism, a filtering mechanism, a shell, a material inlet 6 and a material outlet 5,
a feeding port 6 is formed in the top of the right end of the shell, a material distributing mechanism is mounted on the top of the shell and is arranged at the feeding port 6, a vibration motor 1-4 is mounted in the shell, a filtering mechanism is mounted on the vibration motor 1-4, a sweeping mechanism is mounted in the shell and is arranged on the upper side of the filtering mechanism, a flow guide mechanism is mounted in the shell and is arranged on the lower side of the filtering mechanism, a discharging port 5 is formed in the bottom end of the shell, and the discharging port 5 is arranged on the lower side of the flow guide mechanism;
the filter mechanism is of an inclined structure relative to the ground, the left end and the right end of the filter mechanism are respectively provided with a vibration motor 1-4, the filter mechanism comprises a filter screen A1-1, a filter screen B1-2 and a filter screen C1-3, the filter screen A1-1, the filter screen B1-2 and the filter screen C1-3 are sequentially welded and connected from right to left, and the mesh diameters of the filter screen A1-1, the filter screen B1-2 and the filter screen C1-3 are sequentially increased from right to left;
the flow guide mechanism comprises 2 groups of flow guide mechanisms which are respectively arranged below a filter screen B1-2 and a filter screen C1-3, each flow guide mechanism comprises a flow guide net 3-1-1 and a flow guide plate 3-1-2, the flow guide plates 3-1-2 are arranged below the flow guide net 3-1-1, the flow guide nets 3-1-1 are in an inclined structure relative to the filter mechanism, and the flow guide plates 3-1-2 are in an inclined structure relative to the flow guide nets 3-1-1;
the diameter of the mesh of the flow guide net 3-1-1 of the flow guide mechanism below the filter screen B1-2 is the same as that of the mesh of the filter screen A1-1, and the diameter of the mesh of the flow guide net 3-1-1 of the flow guide mechanism below the filter screen C1-3 is the same as that of the mesh of the filter screen B1-2;
3 discharge ports 5 are respectively arranged at the lower sides of the filter screen A1-1, the filter screen B1-2 and the filter screen C1-3;
the sweeping mechanism comprises 2 groups of sweeping mechanisms and a sweeping rotating shaft, wherein the 2 groups of sweeping mechanisms are respectively arranged between a filter screen A1-1 and a filter screen B1-2 and between a filter screen B1-2 and a filter screen C1-3, each sweeping mechanism comprises a sweeping rotating shaft 2-1, scrapping pieces 2-2 and scrapping pieces 2-3, and the scrapping pieces 2-3 and the scrapping pieces 2-2 are circumferentially staggered on the outer side of the sweeping rotating shaft 2-1;
the scraping piece 2-3 is connected with the sweeping rotating shaft 2-1 through a mounting bracket A2-3-1, and the waste cleaning piece 2-2 is connected with the sweeping rotating shaft 2-1 through a mounting bracket B2-2-1;
y waste cleaning parts 2-2 are provided, Y is more than or equal to 2, X scraping parts 2-3 are provided, and X is more than or equal to 2;
the waste cleaning part 2-2 is a silica gel strip, and the strickling part 2-3 is a scraper;
the material distributing mechanism comprises a material distributing plate 4-2, a helical blade 4 and a material distributing rotating shaft 4-1, the helical blade 4 is sleeved outside the material distributing rotating shaft 4-1, and the material distributing plate 4-2 is arranged on the lower side of the helical blade 4; 2 groups of helical blades 4 are symmetrically arranged;
the longitudinal section of the material distributing plate 4-2 in the front and back direction is of an arc structure, and the material leaking hole 4-2-1 is formed in the material distributing plate 4-2;
the material distributing plate 4-2 is arranged in the shell, the end part of the material distributing rotating shaft 4-1 is connected with a rotating motor A, and the rotating motor A is arranged on the shell;
the end part of the sweeping rotating shaft 2-1 is connected with a rotating motor B, and the rotating motor B is arranged on the shell.
Example 2
When the utility model is used, a rice mixture enters from the feeding port 6 and then falls on the middle part of the material distribution plate 4-2 of the material distribution mechanism, the rotating motor of the material distribution rotating shaft 4-1 works to control the material distribution rotating shaft 4-1 to rotate clockwise, 2 groups of symmetrically arranged spiral blades 4 sleeved outside the material distribution rotating shaft 4-1 push the rice mixture evenly to the two ends of the material distribution plate 4-2, then the rice mixture leaks from the material leakage holes 4-2-1 of the material distribution plate 4-2 and falls on the filter screen A1-1, and rice dregs smaller than the mesh diameter of the filter screen A1-1 leak from the filter screen A1-1 and are discharged from the discharge port 5 at the lower side of the filter screen A1-1;
then the vibrating motor 1-4 works to shake the filtering mechanism along the left and right direction, at the moment, the rice mixture slides towards the filtering net B1-2 leftwards due to the self gravity, the rotating motor of the sweeping mechanism between the filtering net A1-1 and the filtering net B1-2 works to control the sweeping rotating shaft 2-1 to rotate anticlockwise, the waste cleaning piece 2-2 is contacted with the rice mixture to brush and spread the rice mixture, the scraping piece 2-3 is contacted with the rice mixture to plow and loosen the rice mixture, so that seeds, shells and crushed slag of rice are separated easily, and meanwhile, the rice crushed slag which does not fall out directly from the filtering net A1-1 is sieved and filtered again by shifting to the filtering net A1-1; then the rice mixture falls on a filter screen B1-2, rice grains smaller than the mesh diameter of the filter screen B1-2 leak out of the filter screen B1-2 and fall on a flow guide mechanism at the lower side of the filter screen B1-2, rice slag smaller than the mesh diameter of a flow guide screen 3-1-1 passes through the flow guide screen 3-1-1 and falls on a flow guide plate 3-1-2, and is discharged from a discharge port 5 at the lower side of the filter screen A1-1 along the flow guide plate 3-1-2, and rice grains larger than the mesh diameter of the flow guide screen 3-1-1 are discharged from a discharge port 5 at the lower side of the filter screen B1-2 along the flow guide screen 3-1-1;
then the rice mixture slides towards a filter screen C1-3, a rotating motor of a sweeping mechanism between a filter screen B1-2 and a filter screen C1-3 works to control a sweeping rotating shaft 2-1 to rotate anticlockwise, the rice mixture is shifted to the filter screen B1-2, and rice grains which do not directly fall out of the filter screen B1-2 are screened and filtered again; then the rice mixture falls on a filter screen C1-3 and leaks out of the filter screen C1-3, then falls on a flow guide mechanism on the lower side of the filter screen C1-3, rice grains smaller than the diameter of meshes of the flow guide screen 3-1-1 pass through the flow guide screen 3-1-1 and fall on a flow guide plate 3-1-2, then are discharged from a discharge port 5 on the lower side of the filter screen B1-2 along the flow guide plate 3-1-2, and rice husks larger than the diameter of meshes of the flow guide screen 3-1-1 are discharged from a discharge port 5 on the lower side of the filter screen C1-3 along the flow guide screen 3-1-1; the whole process is screened and filtered for many times, and cleaning is more sufficient.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A cleaning device for a rice harvester is characterized by comprising a material distribution mechanism, a flow guide mechanism, a sweeping mechanism, a filtering mechanism, a shell, a feeding port and a discharging port, wherein the feeding port is formed in the top of the right end of the shell;
the filter mechanism is of an inclined structure relative to the ground, and comprises a filter screen A, a filter screen B and a filter screen C, wherein the filter screen A, the filter screen B and the filter screen C are sequentially welded from right to left, and the diameters of meshes of the filter screen A, the filter screen B and the filter screen C are sequentially increased from right to left;
the flow guide mechanism comprises 2 groups of flow guide nets and flow guide plates, the flow guide plates are arranged below the flow guide nets, the flow guide nets are of an inclined structure relative to the filtering mechanism, and the flow guide plates are of an inclined structure relative to the flow guide nets;
the diameter of the mesh of the flow guide net of the flow guide mechanism below the filter screen B is the same as that of the mesh of the filter screen A, and the diameter of the mesh of the flow guide net of the flow guide mechanism below the filter screen C is the same as that of the mesh of the filter screen B;
3 discharge ports are arranged on the lower sides of the filter screen A, the filter screen B and the filter screen C respectively;
the sweeping mechanism comprises 2 groups of sweeping rotating shafts, waste cleaning pieces and scraping pieces, wherein the sweeping rotating shafts are arranged between the filter screen A and the filter screen B and between the filter screen B and the filter screen C respectively; y waste cleaning pieces are provided, Y is more than or equal to 2, X scraping pieces are provided, and X is more than or equal to 2;
the material distribution mechanism comprises a material distribution plate, helical blades and a material distribution rotating shaft, the helical blades are sleeved outside the material distribution rotating shaft, and the material distribution plate is arranged on the lower side of the helical blades; the spiral blades are provided with 2 groups which are symmetrically arranged; the material distributing plate is provided with material leaking holes; the material distributing plate is installed on the shell.
2. A cleaning device for a rice harvester according to claim 1, characterized in that the strickle is connected with the sweeping rotating shaft through a mounting bracket A, and the waste cleaning part is connected with the sweeping rotating shaft through a mounting bracket B.
3. A cleaning device for a rice harvester according to claim 1, characterized in that the waste cleaning part is a silica gel strip, and the scraping part is a scraper.
4. A cleaning device for a rice harvester according to claim 1, characterized in that the longitudinal section of the material distributing plate in the front-rear direction is of an arc-shaped structure.
5. A cleaning device for a rice harvester according to claim 1, characterized in that the end of the material separating rotating shaft is connected with a rotating motor A, and the rotating motor A is installed on the shell; the end part of the sweeping rotating shaft is connected with a rotating motor B, and the rotating motor B is installed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558299.XU CN212910851U (en) | 2020-07-31 | 2020-07-31 | Cleaning device for rice harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558299.XU CN212910851U (en) | 2020-07-31 | 2020-07-31 | Cleaning device for rice harvester |
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| Publication Number | Publication Date |
|---|---|
| CN212910851U true CN212910851U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021558299.XU Active CN212910851U (en) | 2020-07-31 | 2020-07-31 | Cleaning device for rice harvester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303104A (en) * | 2021-05-13 | 2021-08-27 | 安徽永民种业有限责任公司 | Thresher for agricultural machine |
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2020
- 2020-07-31 CN CN202021558299.XU patent/CN212910851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113303104A (en) * | 2021-05-13 | 2021-08-27 | 安徽永民种业有限责任公司 | Thresher for agricultural machine |
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