CN204503575U - Drum-type grain screening machine - Google Patents
Drum-type grain screening machine Download PDFInfo
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- CN204503575U CN204503575U CN201420813605.8U CN201420813605U CN204503575U CN 204503575 U CN204503575 U CN 204503575U CN 201420813605 U CN201420813605 U CN 201420813605U CN 204503575 U CN204503575 U CN 204503575U
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Abstract
The utility model belongs to grain machinery equipment technical field, is specifically related to a kind of drum-type grain screening machine.This grain screening machine comprises transmission system, casing, cabinet top is provided with top cover, top cover top is provided with feed hopper, casing is tilted is provided with rotating two-layer filter screen type sieve cylinder, sieve cylinder comprises outside outer sieve cylinder and inner interior sieve cylinder, the port of export of interior sieve cylinder is connected with the large impurities outlet being located at casing internal, the port of export of outer sieve cylinder is connected with the product outlet being located at casing internal, casing internal between outer sieve cylinder and feed hopper is provided with small impurities and exports, sieve cylinder bottom is connected with transmission system, and the top of top cover is provided with dedusting fan; Product outlet place is provided with induced-draught fan; The inclined installation angle of sieve cylinder can adjust within the scope of 4 ° ~ 10 °; Outer sieve outer surface of cylinder is also provided with the cleaning brush for clearing up tamper in sieve aperture.This screening machine has that structure is simple, screening precision is high, operating efficiency is high and the advantage of no dust pollution.
Description
Technical field
The utility model belongs to grain machinery equipment technical field, is specifically related to a kind of drum-type grain screening machine.
Background technology
After current grain harvest, in grain, often mix the impurity such as stone, the grains of sand, affect the total quality of grain.Therefore grain screening machine is usually utilized to clear up grain, the impurity that the stone in separate raw materials, the grains of sand etc. are large.But existing drum-type grain screening machine in use, because screen drum angle mostly is fixing, can not require to adjust according to different materials, different cleanings, cause screening effect undesirable.Be mixed into the shrivelled kernel in grain grain, wheat bran, the wheat head cannot effectively must be separated into lightweights such as the dust in product stream with wrapping up in.In addition, existing drum-type grain screening machine is many due to impurity in grain, there will be a large amount of dust in screening process, affects the healthy of operating personnel.
Utility model content
The utility model is for the deficiencies in the prior art, and provide a kind of drum-type grain screening machine, screen drum angle can adjust, and can effectively be separated the lightweight object be mixed in product stream, the drum-type grain screening plant of the good and no dust pollution of screening effect.
The technical solution of the utility model is achieved in that a kind of drum-type grain screening machine comprises transmission system, casing, cabinet top is provided with top cover, top cover top is provided with feed hopper, it is characterized in that: described casing is tilted is provided with rotating two-layer filter screen type sieve cylinder, described sieve cylinder comprises outside outer sieve cylinder and inner interior sieve cylinder, described outer sieve cylinder aperture is less than the stock size of finished product, and interior sieve cylinder aperture is greater than the stock size of finished product; The port of export of described interior sieve cylinder is connected with the large impurities outlet being located at casing internal, the port of export of outer sieve cylinder is connected with the product outlet being located at casing internal, casing internal between outer sieve cylinder and feed hopper is provided with small impurities and exports, described sieve cylinder bottom is connected with transmission system, and the top of described top cover is provided with dedusting fan; Described product outlet place is provided with induced-draught fan; The inclined installation angle of described sieve cylinder can adjust within the scope of 4 ° ~ 10 °; Described outer sieve outer surface of cylinder is also provided with the cleaning brush for clearing up tamper in sieve aperture.
Preferably, described small impurities outlet has been at least 2.
Preferably, described sieve cylinder is provided with the roller bracket of band support roller bottom one end of feed hopper.
Preferably, the detachable wearing plate changed is equipped with in described feed hopper inside.
The utility model solves the defect existed in background technology, has following beneficial effect:
The drum-type grain screening machine that the utility model provides, project organization is simple; Be very effective, the machine mainly utilizes varying in size of grain and impurity particle, constantly rotates cleaning continuously, removed by the large and small impurity in grain, the screening precision of grain is improved greatly by circle sieve cylinder 6.Dust in engine housing can be discharged by the dedusting fan be provided with, make operating personnel from the hardship of dust pollution.By product outlet, place is provided with induced-draught fan, can remove the shrivelled kernel be mixed in grain grain, wheat bran, wheat head palpus and wrap up in into lightweights such as the dust in product stream.In addition the screen drum of this practicality can require to adjust within the scope of 4 ° ~ 10 ° according to different material, different cleaning, to obtain good screening effect, improves production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of drum-type grain screening machine;
Fig. 2 is the left view of Fig. 1 drum-type grain screening machine;
Fig. 3 is the schematic diagram that sieve cylinder slope regulates;
In figure: 1-transmission system, 2-feed hopper, 3-top cover, 4-dedusting fan, 5-casing, 6-sieves cylinder, 61-sieves cylinder outward, sieve cylinder in 62-, 63-support roller, 64-roller bracket, 65-bearing, 66-bolt one, 67-bolt two, 7-cleaning brush, 8-small impurities exports, 9-product outlet, the large impurities outlet of 10-, 11-induced-draught fan.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of drum-type grain screening machine as shown in Figure 1, Figure 2 and Figure 3, comprise transmission system 1, casing 5, casing 5 top is provided with top cover 3, top cover 3 top is provided with feed hopper 2, casing 5 is tilted is provided with rotating two-layer filter screen type sieve cylinder 6, sieve cylinder 6 comprises outside outer sieve cylinder 61 and inner interior sieve cylinder 62, outer sieve cylinder 61 aperture is less than the stock size of finished product, be generally 3mm ~ 6mm, interior sieve cylinder 62 aperture is greater than the stock size of finished product, is generally 7mm ~ 10mm; The port of export of described interior sieve cylinder 62 is connected with the large impurities outlet 10 being located at casing 5 inside, the port of export of outer sieve cylinder 61 is connected with the product outlet 9 being located at casing 5 inside, casing 5 inside between outer sieve cylinder 61 and feed hopper 2 is provided with small impurities and exports 8, be connected with transmission system 1 bottom sieve cylinder 6, the top of top cover 3 is provided with dedusting fan 10; Product outlet 9 place is provided with induced-draught fan 11; The inclined installation angle of sieve cylinder 6 can adjust within the scope of 4 ° ~ 10 °; Outer sieve cylinder 61 outer surface is also provided with the cleaning brush 7 for clearing up tamper in sieve aperture.Small impurities outlet 8 has been at least 2.Sieve cylinder 6 is provided with the roller bracket 64 of band support roller 63 bottom one end of feed hopper 2.The detachable wearing plate changed is equipped with in feed hopper 2 inside.
Operation principle of the present utility model is: the machine mainly utilizes varying in size of grain and impurity particle, constantly rotates cleaning continuously, removed by the large and small impurity in grain by circle sieve cylinder 6.Interior sieve cylinder 62 aperture is greater than finished product stock size, so finished product and small impurities are screenings; Oversize is large assorted, flows to large assorted outlet 10; Outer sieve cylinder 61 aperture is less than finished product stock size, and little mixing falls into little assorted outlet 8 through sieve aperture, and oversize is finished product.Dust in engine housing 5 can be discharged by the dedusting fan 4 that top cover 3 top is provided with, and product outlet 9 place is provided with induced-draught fan 11, can remove the shrivelled kernel be mixed in grain grain, wheat bran, wheat head palpus and wrap up in into lightweights such as the dust in product stream.In addition the screen drum of this practicality can require to adjust within the scope of 4 ° ~ 10 ° according to different material, different cleaning, thus changes the gliding speed of material in sieve cylinder 6, to obtain good screening effect.
The course of work of the present utility model is: unscreened raw grain is put into feed hopper 2, grain enters in sieve cylinder 6 due to self gravity, start transmission system 1 to start working, outer sieve cylinder 61 and interior sieve cylinder 62 rotate simultaneously, grain is advanced to large impurities outlet 10 end by feed hopper 2 end, grain and thin impurity enter in outer sieve cylinder 61 by the screen pack of interior sieve cylinder 62, thin impurity exports 8 by small impurities and discharges, grain enters in product outlet 9 through the port of export of outer sieve cylinder 61, the large impurity of interior sieve cylinder 62 enters in large impurities outlet 10 through the port of export of interior sieve cylinder 62, while unlatching transmission system 1, the induced-draught fan 11 at dedusting fan 4 and product outlet 9 place is started, dust in casing 5 is discharged by dedusting fan 4, and the shrivelled kernel be mixed in grain grain, wheat bran, the wheat head can must and be wrapped up in into lightweight sucking-offs such as the dust in product stream by induced-draught fan 11.In addition according to actual conditions, can require adjusting within the scope of 4 ° ~ 10 °, dusting cover cylinder according to different material, different cleaning, thus change the gliding speed of material in sieve cylinder 6, to obtain good screening effect.Specifically as shown in Figure 3.Described sieve cylinder 6 is provided with the roller bracket 64 of band support roller 63 bottom one end of feed hopper 2, and sieve cylinder 6 leading section contacts with two support rollers 63.Support roller 63 is fixed by bolt 1 and roller bracket 64, and roller bracket 64 is fixed on the bearing 65 of both sides by bolt 2 67.During adjustment sieve cylinder 6 inclination angle, there is the following two kinds method.Method 1 is padded by sieve cylinder 6, unclamps the bolt 1 on both sides, slided by two support rollers 63 in the waist hole of roller bracket 64 to the left and right sides, changes and adjust inclination angle with the spacing of two support rollers 63.Method 2 unclamps the bolt 2 67 on both sides, and roller bracket 64 is moved up and down in the waist-shaped hole of bearing 65, thus change the inclination angle of sieve cylinder 6.Above-mentioned two kinds of methods can use simultaneously, and when the grain that screening paddy, wheat etc. are light, inclination angle is 7 ° ~ 10 ° and is advisable, and when the grain that screening corn, soybean etc. are heavier, inclination angle is 4 ° ~ 6 ° and is advisable.In addition cleaning brush 7 is also adjustable, being close to outer compass screen surface all the time, effectively clearing up the material be jammed in outer sieve cylinder 61 sieve aperture and impurity when sieving cylinder 6 change of pitch angle.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a drum-type grain screening machine, comprise transmission system (1), casing (5), casing (5) top is provided with top cover (3), top cover (3) top is provided with feed hopper (2), it is characterized in that: described casing (5) is tilted is provided with rotating two-layer filter screen type sieve cylinder (6), described sieve cylinder (6) comprises outside outer sieve cylinder (61) and inner interior sieve cylinder (62), described outer sieve cylinder (61) aperture is less than the stock size of finished product, interior sieve cylinder (62) aperture is greater than the stock size of finished product, the large impurities outlet (10) that the port of export of described interior sieve cylinder (62) is inner with being located at casing (5) is connected, the product outlet (9) that the port of export of outer sieve cylinder (61) is inner with being located at casing (5) is connected, casing (5) inside between outer sieve cylinder (61) and feed hopper (2) is provided with small impurities and exports (8), described sieve cylinder (6) bottom is connected with transmission system (1), and the top of described top cover (3) is provided with dedusting fan (10), described product outlet (9) place is provided with induced-draught fan (11), the inclined installation angle of described sieve cylinder (6) can adjust within the scope of 4 ° ~ 10 °, described outer sieve cylinder (61) outer surface is also provided with the cleaning brush (7) for clearing up tamper in sieve aperture.
2. drum-type grain screening machine according to claim 1, is characterized in that: described small impurities outlet (8) has been at least 2.
3. drum-type grain screening machine according to claim 1, is characterized in that: described sieve cylinder (6) is provided with the roller bracket (64) of band support roller (63) bottom one end of feed hopper (2).
4. drum-type grain screening machine according to claim 1, is characterized in that: the detachable wearing plate changed is equipped with in described feed hopper (2) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813605.8U CN204503575U (en) | 2014-12-18 | 2014-12-18 | Drum-type grain screening machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813605.8U CN204503575U (en) | 2014-12-18 | 2014-12-18 | Drum-type grain screening machine |
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| CN204503575U true CN204503575U (en) | 2015-07-29 |
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| CN201420813605.8U Active CN204503575U (en) | 2014-12-18 | 2014-12-18 | Drum-type grain screening machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855161A (en) * | 2016-06-03 | 2016-08-17 | 合肥原印农业科技有限公司 | Composite-type grain vibration cleaning sieve |
| CN106669261A (en) * | 2017-01-05 | 2017-05-17 | 昆明滇池湖泊治理开发有限公司 | Device for directly high-efficiently treating blue-green algae in water |
| CN107290141A (en) * | 2017-06-28 | 2017-10-24 | 中南大学 | A kind of revolving cylinder testing stand |
| CN111871775A (en) * | 2020-07-30 | 2020-11-03 | 恒基利马格兰种业有限公司 | Corn seed's choice device |
| CN113786929A (en) * | 2021-09-16 | 2021-12-14 | 河南旭百瑞生物科技股份有限公司 | Raw materials preprocessing device for pig feed processing |
-
2014
- 2014-12-18 CN CN201420813605.8U patent/CN204503575U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855161A (en) * | 2016-06-03 | 2016-08-17 | 合肥原印农业科技有限公司 | Composite-type grain vibration cleaning sieve |
| CN106669261A (en) * | 2017-01-05 | 2017-05-17 | 昆明滇池湖泊治理开发有限公司 | Device for directly high-efficiently treating blue-green algae in water |
| CN106669261B (en) * | 2017-01-05 | 2022-10-11 | 李艳华 | Equipment for directly treating blue algae in water body at high efficiency |
| CN107290141A (en) * | 2017-06-28 | 2017-10-24 | 中南大学 | A kind of revolving cylinder testing stand |
| CN111871775A (en) * | 2020-07-30 | 2020-11-03 | 恒基利马格兰种业有限公司 | Corn seed's choice device |
| CN111871775B (en) * | 2020-07-30 | 2022-08-30 | 恒基利马格兰种业有限公司 | Corn seed's choice device |
| CN113786929A (en) * | 2021-09-16 | 2021-12-14 | 河南旭百瑞生物科技股份有限公司 | Raw materials preprocessing device for pig feed processing |
| CN113786929B (en) * | 2021-09-16 | 2023-09-12 | 河南旭百瑞生物科技股份有限公司 | Raw material pretreatment device for pig feed processing |
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