CN205146695U - Grain selection by winnowing shale shaker - Google Patents
Grain selection by winnowing shale shaker Download PDFInfo
- Publication number
- CN205146695U CN205146695U CN201520923226.9U CN201520923226U CN205146695U CN 205146695 U CN205146695 U CN 205146695U CN 201520923226 U CN201520923226 U CN 201520923226U CN 205146695 U CN205146695 U CN 205146695U
- Authority
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- China
- Prior art keywords
- lower screen
- plate
- grain
- upper sieve
- suction channel
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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.)
- Expired - Fee Related
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- 238000004140 cleaning Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 42
- 238000000926 separation method Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 30
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a grain selection by winnowing shale shaker, its structure is equipped with feeder hopper (1) for the top in frame (13), the below of feeder hopper (1) is equipped with closes wind homocline ware (2), the below of closing wind homocline ware (2) is equipped with the unloading and drops down board (3), board (3) are dropped down in the unloading lower extreme is in selection by winnowing cleaning device (4) (401) the suction inlet department of induced drafting before, the below that board (3) are dropped down in the unloading is equipped with feed divider (17), the below of feed divider (17) is equipped with that board (6) are dropped down in upper strata sieve feeding and board (7) are dropped down in the lower screen feeding, sieve feeding in upper strata is dropped down board (6) and lower screen feeding and is dropped down the lower extreme of board (7) and be in the upper strata respectively and sieve on (8) and lower screen (9), the discharge end below of upper strata sieve (8) and lower screen (9) is equipped with outfeed belt machine (16). The utility model discloses can effectively clear up the dust of getting rid of in the grain, light, big miscellaneous, little all impurity such as miscellaneous guarantee that the grain dirt percentage after clearing up reaches the preservation requirement.
Description
Technical field
The utility model relates to a kind of grain pneumatic separation vibrating screen.
Background technology
Existing grain cleaning sieve includes vibrating cleaning sieve or pneumatic separation vibrating screen, and its structure of vibrating cleaning sieve generally comprises vibration machine and sieve nest, drives sieve nest vibration by vibrator, thus impurity elimination.Pneumatic separation vibrating screen is then increase a set of blower fan on the basis of vibrating cleaning sieve, for removing the foreign material of dust and small volume.Existing its weak point of these equipment is weak effect, and output is little, and environment protecting is poor.
Utility model content
The purpose of this utility model is exactly for above-mentioned the deficiencies in the prior art, provides a kind of impurity elimination effective, the grain pneumatic separation vibrating screen that efficiency is high.
The technical solution adopted in the utility model is as follows:
A kind of grain pneumatic separation vibrating screen, it is characterized in that it includes frame, the top of frame is provided with feed hopper, the below of feed hopper is provided with closes wind harmonious material device, the below closing wind harmonious material device is provided with blanking and drops down plate, the lower end that plate is dropped down in blanking is in the front suction channel suction inlet place of selection by winnowing cleaning plant, the below that plate is dropped down in blanking is provided with feeding-distribution device, the below of feeding-distribution device is provided with upper sieve charging and drops down plate and plate is dropped down in lower screen charging, described upper sieve charging is dropped down the lower end that plate and lower screen charging drop down plate and is on upper sieve and lower screen respectively, discharging belt conveyer is provided with below the discharge end of described upper sieve and lower screen.
The described wind harmonious material device that closes includes material stock chamber, material stock is provided with rotating shaft in chamber, described rotating shaft is provided with 6 pieces of material scraping plates, described material scraping plate distributes in the shape of a spiral on the axis of rotating shaft, each pitch to the left and right from centre, and left-and-right spiral rotation direction is contrary, the bottom opening in described material stock chamber is provided with and rotatably drops down plate, rotatably drop down plate and connect back-moving spring one end, the other end of back-moving spring is connected in described front suction channel sidewall steel plate.
The direction of vibration of described upper sieve and lower screen is contrary.
Described upper sieve and lower screen are all by hanger erection on the holder of its correspondence, and upper sieve and lower screen are provided with damper rod near one end of discharging.
Described frame is arranged on moving frame.
The expansion chamber that described selection by winnowing cleaning plant includes front suction channel, rear suction channel and is arranged between front suction channel and rear suction channel, the bottom of expansion chamber is provided with impurities removal and closes wind auger, and the top of expansion chamber is provided with blower fan, and the air outlet of blower fan connects dust arrester.
Be provided with rear suction channel damper between described rear suction channel and expansion chamber, the just right frame side wall in front suction channel inlet scoop is provided with air inlet.
Described upper sieve is all connected with vibration machine with lower screen, and described vibration machine includes power transmission shaft, power transmission shaft is provided with two eccentric wheels, and these two eccentric wheels are connected with lower screen with upper sieve respectively by respective connecting rod.
The described rotating speed closing wind harmonious material device shaft is by frequency converter stepless speed regulation.
Described feeding-distribution device and lower screen charging are dropped down between plate and are also provided with demarcation strip, and the inwall of demarcation strip and frame forms lower screen feeding-passage.
The beneficial effects of the utility model have:
Effectively can clear up the dust removed in grain, lightweight, large assorted, little all impurity such as assorted, ensure that the grain percentage of impurity after cleaning reaches Storage Requirement.Owing to have employed two-layer vibratory cleaning compass screen surface, when substantially not increasing equipment and taking up an area, output doubles.Upper sieve and lower screen symmetry move back and forth, and complete machine runs more steady, and environment protecting is good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side-looking structural representation of the present utility model.
Fig. 3 is the structural representation that the utility model closes wind harmonious material device.
Fig. 4 is the structural representation of the utility model vibration machine.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, 2, the utility model it include frame 13, the top of frame 13 is provided with feed hopper 1, and the below of feed hopper 1 is provided with closes wind harmonious material device 2.The below closing wind harmonious material device 2 is provided with blanking and drops down plate 3, and the lower end that plate 3 is dropped down in blanking is in the front suction channel 401 suction inlet place of selection by winnowing cleaning plant 4, and the below that plate 3 is dropped down in blanking is provided with feeding-distribution device 17.The below of feeding-distribution device 17 is provided with upper sieve charging and drops down plate 6 and plate 7 is dropped down in lower screen charging.Upper sieve charging is dropped down the lower end that plate 6 and lower screen charging drop down plate 7 and is in respectively on upper sieve 8 and lower screen 9, is provided with discharging belt conveyer 16 below the discharge end of upper sieve 8 and lower screen 9.Drop down between plate 7 at feeding-distribution device 17 and lower screen charging and be also provided with demarcation strip 19, demarcation strip 19 forms lower screen feeding-passage 20 with the inwall of frame 13, dropping down from blanking the grain some that plate 3 falls flows to upper sieve 9 from lower screen feeding-passage 20, and another part flows on upper sieve 8.Arrange lower screen feeding-passage 20 blanking can be avoided to drop down grain that plate 3 flows down too disperses, and facilitate feeding-distribution device 17 to regulate the distribution of upper sieve 8 and grain on lower screen 9.
The utility model closes the structure of wind harmonious material device 2 as shown in Figure 3, closes wind harmonious material device 2 and includes material stock chamber 201, be provided with rotating shaft 202 in material stock chamber 201, rotating shaft 202 is provided with 6 pieces of material scraping plates 203.Material scraping plate 203 distributes in the shape of a spiral on the axis of rotating shaft 202, each pitch to the left and right from centre, and left-and-right spiral rotation direction is contrary.The bottom opening in material stock chamber 201 is provided with and rotatably drops down plate 204, rotatably drop down between plate 204 and material scraping plate 203 and have certain gap, rotatably drop down plate 204 and connect back-moving spring 205 one end, the other end of back-moving spring 205 is connected in front suction channel 10 sidewall steel plate.The rotating speed closing wind harmonious material device 2 shaft 202 is controlled by variable-frequency motor, can stepless speed regulation.According to grain variety, the different and original difference containing mixing, closes rotating shaft 202 rotating speed of wind material-homogenating device 2, thus can adjust the mass flow entering air draught cleaning plant by variable-frequency motor stepless speed regulation, controls output to reach best cleaning effect.Because material scraping plate 203 is in spiral distribution on the axis of rotating shaft 202, grain middle under the effect of material scraping plate 203 can be disperseed thus uniform flow by toward both sides (all to concentrate on middle part under usual operating mode when grain is less) when closing the grain in wind material-homogenating device 2 and be less and being distributed in centre.
The utility model upper sieve 8 is all connected with vibration machine 5 with lower screen 9, vibration machine 5 includes power transmission shaft 501 as shown in Figure 4, power transmission shaft 501 is provided with two eccentric wheels 502, these two eccentric wheels 502 are connected with lower screen 9 with upper sieve 8 respectively by respective connecting rod.By the rotation of power transmission shaft 501, band movable eccentric wheel 502 rotates, then by eccentric wheel drivening rod, upper sieve 8 and lower screen 9 is moved back and forth.The layout of two eccentric wheels 502 on power transmission shaft 501 is laterally zygomorphic, therefore the front-rear reciprocation movement of upper sieve 8 and lower screen 9 is also symmetrical, their direction of vibration is contrary, namely when upper sieve 8 travels forward, lower screen 9 moves backward, the vibration produced during such levels sieve motion is cancelled out each other, and complete machine can not produce vibration substantially.
The utility model upper sieve 8 and lower screen 9 are all be arranged on the holder of its correspondence by suspension rod 11, and upper sieve 8 and lower screen 9 are provided with damper rod 12 near one end of discharging, when upper sieve 8 and lower screen 9 estimate front-rear reciprocation movement reach capacity position time, the existence due to damper rod 12 can effectively overcome levels sieve motion inertia.
Frame 13 can be arranged on moving frame 14 by the utility model, can change operating location easily, improves operating efficiency.
The expansion chamber 403 that selection by winnowing cleaning plant 4 of the present utility model includes front suction channel 401, rear suction channel 402 and is arranged between front suction channel 401 and rear suction channel 402, the bottom of expansion chamber 403 is provided with impurities removal and closes wind auger 404, the top of expansion chamber 403 is provided with blower fan 407, and the air outlet of blower fan 407 connects dust arrester 15.
Be provided with rear suction channel damper 405 between suction channel 402 and expansion chamber 403 after the utility model, the just right frame side wall in front suction channel 401 inlet scoop is provided with air inlet 406.The unlatching size of rear suction channel damper 405 can adjust the air quantity entering rear suction channel 402, makes whole vibratory cleaning compass screen surface be in certain negative pressure state, ensures that grain discharging opening and complete machine do not have to raise outside dust, improves environment protecting.
The course of work of the present utility model is as follows:
Miscellaneous cereal-containing food enters feed hopper 1 by miscellaneous equipment, then enter and close in the material stock chamber 201 of wind harmonious material device 2, rotating shaft 202 is moved, material between adjacent two pieces of scraper plates will be sent to rotatably to drop down on plate 204 and flow into air draught cleaning plant from both gaps, enter if any the bulk materials being greater than this gap, harmonious material device drives this bulk materials will overcome the pulling force of extension spring to rotatably dropping down the torque that plate 204 produces, and makes rotatably to drop down plate 204 and rotates counterclockwise and increase gap thus make that bulk materials flows out smoothly and unlikely equipment is stuck.Bulk materials rotatably drops down plate 204 after flowing out and sets back under the effect of back-moving spring 205, and gap keeps original size.
Close wind material-homogenating device 2 one aspect and ensure that the grain entering air draught cleaning plant is evenly flowed out by above-mentioned stability of flow along whole width, be full of grain owing to closing wind harmonious material device 2 inside on the other hand, can prevent outside air from entering air draught cleaning plant to ensure air draught cleaning effect.
In grain downflow processes, under the suction function of blower fan 407, outside air enters from air inlet 406, through grain layer, and bring the light assorted and dust in grain layer into front suction channel 401, then enter expansion chamber 403, the cross section due to expansion chamber 403 increases suddenly and wind speed is slack-off, is closed wind auger 404 thus outside discharge machine by the impurity taken out of the impurities removal fallen at the bottom of expansion chamber of falling off.The dust laden air removed after light mixing continues through blower fan and is admitted to dust arrester 15, and the air being met discharge standard by dedusting enters air, and dust is collected process.Regulate the size of Fan Regulation air door 408, the adjustable wind speed entering front suction channel 401, makes wind speed adapt to the floating velocity of different grain thus reach best impurity-eliminating effect.
Drop down plate 3 by the light assorted rear grain of air draught cleaning removal through blanking and enter upper sieve 8 and lower screen 9 respectively through feeding-distribution device 17 again, the grain flow entering upper sieve 8 and lower screen 9 is controlled to distribute by feeding-distribution device 17.Turn left and rotate feeding-distribution device 17, the grain entering upper sieve 8 reduces, and the grain entered into lower screen 9 increases, otherwise turn right and rotate the grain increase that feeding-distribution device 17 enters upper sieve 8, the grain entering lower screen 9 reduces.By reciprocating motion and the up-down vibration of upper sieve 8 and lower screen 9, large assorted in grain and littlely assortedly to be separated outside discharge machine by assorted greatly compass screen surface and sieve cover for small impurities respectively.Except the clean grain after assorted flows out at the lower end discharging opening of upper sieve 8 and lower screen 9, drop down plate 18 by discharging and flow into discharging belt conveyer 16, send into lower road equipment by discharging belt conveyer 16.
Other undeclared part that the utility model relates to is same as the prior art.
Claims (10)
1. a grain pneumatic separation vibrating screen, it is characterized in that it includes frame (13), the top of frame (13) is provided with feed hopper (1), the below of feed hopper (1) is provided with closes wind harmonious material device (2), the below closing wind harmonious material device (2) is provided with blanking and drops down plate (3), the lower end that plate (3) is dropped down in blanking is in front suction channel (401) the suction inlet place of selection by winnowing cleaning plant (4), the below that plate (3) is dropped down in blanking is provided with feeding-distribution device (17), the below of feeding-distribution device (17) is provided with upper sieve charging and drops down plate (6) and plate (7) is dropped down in lower screen charging, described upper sieve charging is dropped down the lower end that plate (6) and lower screen charging drop down plate (7) and is on upper sieve (8) and lower screen (9) respectively, discharging belt conveyer (16) is provided with below the discharge end of described upper sieve (8) and lower screen (9).
2. grain pneumatic separation vibrating screen according to claim 1, close wind harmonious material device (2) described in it is characterized in that and include material stock chamber (201), rotating shaft (202) is provided with in material stock chamber (201), described rotating shaft (202) is provided with 6 pieces of material scraping plates (203), described material scraping plate (203) distributes in the shape of a spiral on the axis of rotating shaft (202), each pitch to the left and right from centre, and left-and-right spiral rotation direction is contrary, the bottom opening of described material stock chamber (201) is provided with and rotatably drops down plate (204), rotatably drop down plate (204) and connect back-moving spring (205) one end, the other end of back-moving spring (205) is connected in described front suction channel (10) sidewall steel plate.
3. grain pneumatic separation vibrating screen according to claim 1, is characterized in that the direction of vibration of described upper sieve (8) and lower screen (9) is contrary.
4. grain pneumatic separation vibrating screen according to claim 1, it is characterized in that described upper sieve (8) and lower screen (9) are all be arranged on the holder of its correspondence by suspension rod (11), upper sieve (8) and lower screen (9) are provided with damper rod (12) near one end of discharging.
5. grain pneumatic separation vibrating screen according to claim 1, is characterized in that described frame (13) is arranged on moving frame (14).
6. grain pneumatic separation vibrating screen according to claim 1, it is characterized in that the expansion chamber (403) that described selection by winnowing cleaning plant (4) includes front suction channel (401), rear suction channel (402) and is arranged between front suction channel (401) and rear suction channel (402), the bottom of expansion chamber (403) is provided with impurities removal and closes wind auger (404), the top of expansion chamber (403) is provided with blower fan (407), and the air outlet of blower fan (407) connects dust arrester (15).
7. grain pneumatic separation vibrating screen according to claim 6, it is characterized in that being provided with rear suction channel damper (405) between described rear suction channel (402) and expansion chamber (403), the just right frame side wall in front suction channel (401) inlet scoop is provided with air inlet (406).
8. grain pneumatic separation vibrating screen according to claim 3, it is characterized in that described upper sieve (8) is all connected with vibration machine (5) with lower screen (9), described vibration machine (5) includes power transmission shaft (501), power transmission shaft (501) is provided with two eccentric wheels (502), these two eccentric wheels (502) are connected with lower screen (9) with upper sieve (8) respectively by respective connecting rod.
9. grain pneumatic separation vibrating screen according to claim 2, closes the rotating speed of wind harmonious material device (2) shaft (202) by frequency converter stepless speed regulation described in it is characterized in that.
10. grain pneumatic separation vibrating screen according to claim 1, it is characterized in that described feeding-distribution device (17) and lower screen charging are dropped down between plate (7) and be provided with demarcation strip (19), demarcation strip (19) forms lower screen feeding-passage (20) with the inwall of frame (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923226.9U CN205146695U (en) | 2015-11-19 | 2015-11-19 | Grain selection by winnowing shale shaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520923226.9U CN205146695U (en) | 2015-11-19 | 2015-11-19 | Grain selection by winnowing shale shaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205146695U true CN205146695U (en) | 2016-04-13 |
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ID=55682436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520923226.9U Expired - Fee Related CN205146695U (en) | 2015-11-19 | 2015-11-19 | Grain selection by winnowing shale shaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205146695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268641A (en) * | 2015-11-19 | 2016-01-27 | 沈一青 | Grain winnowing vibration screen |
| CN112854979A (en) * | 2021-03-22 | 2021-05-28 | 湖北天斌机械有限公司 | Enhancement mode pressure adjustment door |
| CN117622576A (en) * | 2024-01-26 | 2024-03-01 | 张家口市农业科学院(河北省高寒作物研究所) | Automatic grain bagging system and filling method |
-
2015
- 2015-11-19 CN CN201520923226.9U patent/CN205146695U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268641A (en) * | 2015-11-19 | 2016-01-27 | 沈一青 | Grain winnowing vibration screen |
| CN112854979A (en) * | 2021-03-22 | 2021-05-28 | 湖北天斌机械有限公司 | Enhancement mode pressure adjustment door |
| CN117622576A (en) * | 2024-01-26 | 2024-03-01 | 张家口市农业科学院(河北省高寒作物研究所) | Automatic grain bagging system and filling method |
| CN117622576B (en) * | 2024-01-26 | 2024-03-29 | 张家口市农业科学院(河北省高寒作物研究所) | Automatic grain bagging system and filling method |
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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: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |