CN203951878U - One grow wheat receiving sieve - Google Patents
One grow wheat receiving sieve Download PDFInfo
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- CN203951878U CN203951878U CN201420341043.1U CN201420341043U CN203951878U CN 203951878 U CN203951878 U CN 203951878U CN 201420341043 U CN201420341043 U CN 201420341043U CN 203951878 U CN203951878 U CN 203951878U
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Abstract
The utility model discloses a grow wheat receiving sieve, this wheat receiving sieve comprises frame (1), is fixed on feed hopper (2), the screen drum (3) in frame and the drive unit (4) being connected with screen drum; On screen drum, be axially divided into from left to right the first sieve aperture district (30) and the second sieve aperture district (31) along it, the first sieve aperture district and the second sieve aperture district have the sieve aperture of different size, and the first sieve aperture district and bottom, the second sieve aperture district are respectively equipped with discharge bucket (50) and impurity removal bucket (51); Between discharge bucket and impurity removal bucket, separate with dividing plate (6), on dividing plate, there is the circular-arc depression matching with the shape of screen drum.The wheat receiving sieve structure that the utility model proposes can ensure the higher quality of sieving in improving wheat screening efficiency, is particularly suitable for the sieve work of wheat total amount when larger.
Description
Technical field
The utility model relates to screening wheat mechanical field, in particular to a grow wheat receiving sieve.
Background technology
The wheat of processing through the harvesting of combining machinery unavoidably can contain the impurity such as a large amount of stalks, before therefore wheat being carried out to follow-up processing or storage, and the removal of impurities of wheat need to being sieved.Existing receiving sieve is generally made up of parts such as feeding warehouse, cylindric sieve nest, motor and discharge bucket, impurity removal buckets, and in the time that wheat sieves, raw grain arrives the inside of cylindric sieve nest through feeding warehouse, and clean grain wherein falls into discharge bucket through sieve aperture, completes the removal of impurities of sieving.The shortcoming of prior art is, the aperture of the sieve aperture of receiving sieve is all identical, this just cause or the aperture of receiving sieve smaller, easily make stalk be deposited in bottom, wheat is not easy screen; Or aperture is relatively large, stalk easily imports in wheat, and the quality of sieving is low, and compares ratchel, and rubbish converges to be recycled and process as inconvenience in wheat stalk.Cause the screening efficiency of receiving sieve, the quality of sieving lower, in the time that wheat total amount is very large, receiving sieve is difficult to complete efficiently at short notice to the high-quality work of sieving of wheat.
Utility model content
For solving the above-mentioned defect of receiving sieve in prior art, the utility model provides a kind of wheat receiving sieve that can ensure the higher quality of sieving in improving wheat screening efficiency.
For achieving the above object, a grow wheat receiving sieve is provided in embodiment of the present utility model, comprise frame, be fixed on feed hopper, the screen drum in frame and the drive unit being connected with screen drum; On screen drum, be axially divided into from left to right the first sieve aperture district and the second sieve aperture district along it, the first sieve aperture district and the second sieve aperture district have the sieve aperture of different size, and the first sieve aperture district and bottom, the second sieve aperture district are respectively equipped with discharge bucket and impurity removal bucket; Between discharge bucket and impurity removal bucket, separate with dividing plate, on dividing plate, there is the circular-arc depression matching with the shape of screen drum.
The wheat receiving sieve that the utility model provides, on screen drum, be axially divided into from left to right the first sieve aperture district and the second sieve aperture district along it, in the first sieve aperture district and the second sieve aperture district, have the sieve aperture of different size, the district of sieving using the first sieve aperture district as clean grain, its bottom picks out hopper; Go as the impurity such as the stalk district of sieving using the second sieve aperture, its bottom picks out assorted bucket.Because wheat is in the time that feed hopper just reaches screen drum, its flow velocity is larger, and along with screen drum rolls, wherein the impurity such as stalk is relatively light, therefore be mainly positioned at the middle and upper part of screen drum; Along with wheat constantly advances, clean grain can substantially be realized all and sieving in the first sieve aperture district, and the impurity such as lighter stalk enter into the second sieve aperture district, and again filter through sieve aperture from here, and the impurity filtering out arrives impurity removal bucket.In addition, between discharge bucket and impurity removal bucket, separate with dividing plate, on dividing plate, there is the circular-arc depression matching with the shape of screen drum, avoided getting rid of when the clean grain of small part rotates with screen drum in the time that screen drum rotates to impurity removal bucket and got rid of when the impurity such as small part stalk rotates with screen drum to the situation in discharge bucket; Thereby entirety can realize preferably screening efficiency and the quality of sieving of wheat.
Preferably, the first sieve aperture district axially can be further divided at least two sieve aperture subareas along screen drum, has the sieve aperture of different size in each sieve aperture subarea.Particularly, the screen-aperture on each sieve aperture subarea reduces from left to right gradually.In the left part of screen drum, while just entering screen drum because of wheat, there is higher speed, flow is larger, and while rotating with screen drum after wheat falls into screen drum, the bulk velocity of wheat is particularly lower along the axial speed of screen drum, therefore, in the first sieve aperture district, be axially further divided at least two sieve aperture subareas along screen drum, the sieve aperture that has different size in each sieve aperture subarea, screen-aperture reduces from left to right gradually, can correspondingly when quality is sieved in guarantee, further improve the efficiency that wheat sieves.
Preferably, the sieve aperture in the first sieve aperture district can be circular; The sieve aperture in the second sieve aperture district can be rectangle or ellipse.What mainly filtered in the first sieve aperture district is wheat, and therefore its sieve aperture adopts circular; What mainly filtered in the second sieve aperture district is the impurity such as stalk, so the sieve aperture in the second sieve aperture district adopts rectangle or ellipse, can make more efficiently the impurity such as stalk enter impurity removal bucket by sieve aperture.
Preferably, the inside of screen drum can be penetrated with reinforcement, and screen drum two ends are connected with reinforcement two ends; The barrel of screen drum is connected with reinforcement bolt.The flow sieving because of wheat is larger, so screen drum load-bearing is higher, reinforcement is set herein and can reduces the possibility that screen drum is out of shape, and meanwhile, reinforcement and screen drum are with bolts also can more convenient replacing screen drum.
Preferably, inboard wall of riddle drum is provided with along the axially extended helical form guide plate of screen drum; Helical form guide plate is fixedly connected with reinforcement.On inboard wall of riddle drum, arranging along the axially extended helical form guide plate of screen drum to promote the wheat of screen drum inside to advance vertically.
Preferably, each sieve aperture subarea in composition the first sieve aperture district removably connects, and the first sieve aperture district and the second sieve aperture district removably connect.Between each sieve aperture district, sieve aperture subarea, adopt dismountable connected mode, can be convenient for changing.
Preferably, screen drum axially and horizontal direction angle be 5 °-10 °.Screen drum adopts and is obliquely installed, and can accelerate the speed that wheat is axially advanced along screen drum, reduces wheat the possibility of piling up occurs at discharging opening.
Preferably, the discharging opening of feed hopper is positioned at screen drum left part the madial wall towards screen drum.Discharging opening is positioned at screen drum left part the madial wall towards screen drum, can improve so on the one hand the initial velocity of wheat vertical direction, make screening efficiency higher, wheat cannot stop at the madial wall of screen drum on the other hand, along with screen drum rotates and removes, also reduced wheat and be deposited in the possibility of discharging opening.
Preferably, this wheat receiving sieve also comprises a pair of guide wheel, and guide wheel is in screen drum left part support screen drum, and a pair of guide wheel is satisfied with in frame in the adjustable mode of spacing.The flow sieving because of wheat is larger, so screen drum load-bearing is higher, guide wheel is set herein and can plays the good support effect of screen drum on the one hand, by regulating the spacing of guide wheel, also can change easily the angle that screen drum tilts on the other hand.
Preferably, the two ends of screen drum can also mounting circular ring shape baffle plate.At the two ends of screen drum, further mounting circular ring shape baffle plate mainly plays the effect that the material in screen drum is stopped, prevents that material from directly leaving screen drum through screen drum two ends in the process of screen drum rotation.
Brief description of the drawings
Fig. 1 is the structural representation of the grow wheat receiving sieve described in the utility model embodiment;
Fig. 2 is A-A cutaway view in Fig. 1;
Fig. 3 is B-B cutaway view in Fig. 1;
Fig. 4 is the installing schematic diagram of reinforcement and helical form guide plate on the screen drum described in the utility model embodiment;
Fig. 5 is screen drum right-hand member baffle plate described in the utility model embodiment and the installing schematic diagram of universal plate.
In figure,
Frame 1, feed hopper 2, discharging opening 20, screen drum 3, drive unit 4, the first sieve aperture district 30, the second sieve aperture district 31, discharge bucket 50, impurity removal bucket 51, dividing plate 6, sieve aperture subarea 300, reinforcement 7, helical form guide plate 8, guide wheel 9, annular baffle 32, universal plate 33.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Please refer to Fig. 1-5, wherein, Fig. 1 is the structural representation of the grow wheat receiving sieve described in the utility model embodiment; Fig. 2 is A-A cutaway view in Fig. 1; Fig. 3 is B-B cutaway view in Fig. 1; Fig. 4 is the installing schematic diagram of reinforcement and helical form guide plate on the screen drum described in the utility model embodiment; Fig. 5 is screen drum right-hand member baffle plate described in the utility model embodiment and the installing schematic diagram of universal plate.
The utility model embodiment provides a grow wheat receiving sieve, and as shown in Figure 1, this wheat receiving sieve comprises frame 1, is fixed in frame 1 feed hopper 2, screen drum 3 and the drive unit 4 being connected with screen drum 3; On screen drum 3, be axially divided into from left to right the first sieve aperture district 30 and 31, the first sieve aperture districts 30 of the second sieve aperture district and the second sieve aperture district 31 and have the sieve aperture of different size along it, the first sieve aperture district and bottom, the second sieve aperture district are respectively equipped with discharge bucket 50 and impurity removal bucket 51; Between discharge bucket 50 and impurity removal bucket 51, separate with dividing plate 6, on dividing plate 6, there is the circular-arc depression matching with the shape of screen drum.
The wheat receiving sieve providing in the utility model embodiment, on screen drum, be axially divided into from left to right the first sieve aperture district and the second sieve aperture district along it, in the first sieve aperture district and the second sieve aperture district, have the sieve aperture of different size, the district of sieving using the first sieve aperture district as clean grain, its bottom picks out hopper; Go as the impurity such as the stalk district of sieving using the second sieve aperture, its bottom picks out assorted bucket.Because wheat is in the time that feed hopper just reaches screen drum, its flow velocity is larger, and along with screen drum rolls, wherein the impurity such as stalk is relatively light, therefore be mainly positioned at the middle and upper part of screen drum; Along with wheat constantly advances, clean grain can substantially be realized all and sieving in the first sieve aperture district, and the impurity such as lighter stalk enter into the second sieve aperture district, and again filter through sieve aperture from here, and the impurity filtering out arrives impurity removal bucket.In addition, between discharge bucket and impurity removal bucket, separate with dividing plate, on dividing plate, there is the circular-arc depression matching with the shape of screen drum, avoided getting rid of when the clean grain of small part rotates with screen drum in the time that screen drum rotates to impurity removal bucket and got rid of when the impurity such as small part stalk rotates with screen drum to the situation in discharge bucket; Thereby entirety can realize preferably screening efficiency and the quality of sieving of wheat.
Preferably, the first sieve aperture district 30 axially can be further divided at least two sieve aperture subareas 300 along screen drum 3, has the sieve aperture of different size in each sieve aperture subarea 300.Particularly, the screen-aperture on each sieve aperture subarea 300 reduces from left to right gradually.In the left part of screen drum, while just entering screen drum because of wheat, there is higher speed, flow is larger, and while rotating with screen drum after wheat falls into screen drum, the bulk velocity of wheat is particularly lower along the axial speed of screen drum, therefore, in the first sieve aperture district, be axially further divided at least two sieve aperture subareas along screen drum, the sieve aperture that has different size in each sieve aperture subarea, screen-aperture reduces from left to right gradually, can be correspondingly on the basis of quality that ensures to sieve, further improves the efficiency that wheat sieves.
In the time of the receiving sieve of this wheat of those skilled in the art's actual fabrication, the concrete size of the sieve aperture of opening in each sieve aperture subarea and the second sieve aperture district on screen drum need according in the parameter such as unit weight, water content of the handled wheat of receiving sieve and wheat comprise impurity amount, the shape of impurity etc. is further determined, to realize the effect of preferably sieving.
As shown in Figure 1, wheat receiving sieve in the present embodiment, its the first sieve aperture district has comprised two sieve aperture subareas, and in other optional embodiment, the first sieve aperture district also can comprise the sieve aperture subarea of three, four etc. other numbers, and the concrete number in sieve aperture subarea can be determined according to the parameter such as impurity content and wheat size of the wheat of processing of receiving sieve.
Preferably, the sieve aperture in the first sieve aperture district 30 can be circular; The sieve aperture in the second sieve aperture district 31 can be rectangle or ellipse.What mainly filtered in the first sieve aperture district is wheat, and therefore its sieve aperture adopts circular; What mainly filtered in the second sieve aperture district is the impurity such as stalk, so the sieve aperture in the second sieve aperture district adopts rectangle or ellipse, can make more efficiently the impurity such as stalk enter impurity removal bucket by sieve aperture.In addition, in other optional embodiment, the sieve aperture in the second sieve aperture district also can be made as the shapes such as fillet rectangle or rhombus.Certainly, the concrete shape of the sieve aperture in the first sieve aperture district, the first sieve aperture district can arrange arbitrarily, need determine according to the concrete condition of the handled material of wheat receiving sieve.
Preferably, the inside of screen drum 3 is penetrated with reinforcement 7, and screen drum 3 two ends are connected with reinforcement 7 two ends; The barrel of screen drum 3 is connected with reinforcement 7 bolts.The flow sieving because of wheat is larger, so screen drum load-bearing is higher, reinforcement is set herein and can reduces the possibility that screen drum is out of shape, and meanwhile, reinforcement and screen drum are with bolts also can more convenient replacing screen drum.
Preferably, screen drum 3 inwalls are provided with along the axially extended helical form guide plate 8 of screen drum 3; Helical form guide plate 8 is fixedly connected with reinforcement 7.On inboard wall of riddle drum, arranging along the axially extended helical form guide plate of screen drum to promote the wheat of screen drum inside to advance vertically.In the technical scheme of this wheat receiving sieve, helical form guide plate is directly fixed on reinforcement, and employing this setup can be changed more easily screen drum or form the sieve plate in each sieve aperture district, sieve aperture subarea.In other optional embodiment, helical form guide plate and/or reinforcement also can be directly fixed on inboard wall of riddle drum.
Preferably, each sieve aperture subarea 300 in composition the first sieve aperture district 30 removably connects, and the first sieve aperture district 30 and the second sieve aperture district 300 removably connect.Between each sieve aperture district, sieve aperture subarea, adopt dismountable connected mode, can be convenient for changing.
In a preferred embodiment, screen drum two ends connect multiple tracks reinforcement, reinforcement sheathed sieve plate or the screen drum that forms well each sieve aperture district, sieve aperture subarea more outward, and the sieve plate or the screen drum that form each sieve aperture district, sieve aperture subarea are affixed on reinforcement by bolt.
Preferably, screen drum 3 axially and horizontal direction angle be 5 °-10 °.Screen drum adopts and is obliquely installed, and can accelerate the speed that wheat is axially advanced along screen drum, reduces the possibility that wheat occurs to pile up at discharging opening.In the time of actual installation, be positioned at higher position with the feed end at discharging opening place, the other end of the corresponding screen drum of impurity removal bucket is positioned at lower position.
Preferably, the discharging opening 20 of feed hopper 2 is positioned at screen drum 3 left parts the madial wall towards screen drum 3.Discharging opening is positioned at screen drum left part the madial wall towards screen drum, can improve so on the one hand the initial velocity of wheat vertical direction, make screening efficiency higher, wheat cannot stop at the madial wall of screen drum on the other hand, along with screen drum rotates and removes, also reduced wheat and be deposited in the possibility of discharging opening.
Preferably, as shown in Figure 2, this wheat receiving sieve also comprises a pair of guide wheel 9, and guide wheel 9 is in screen drum 3 left part support screen drums 3, and a pair of guide wheel 9 is satisfied with in frame 1 in the adjustable mode of spacing.The flow sieving because of wheat is larger, so screen drum load-bearing is higher, guide wheel is set herein and can plays the good support effect of screen drum on the one hand, on the other hand by regulating the spacing of guide wheel, also can change easily the angle that screen drum tilts, thereby regulate just clear speed of wheat.
Preferably, the two ends of screen drum 3 are equipped with annular baffle 32.At the two ends of screen drum, further mounting circular ring shape baffle plate mainly plays the effect that the material in screen drum is stopped, prevents that material from directly leaving screen drum through screen drum two ends in the process of screen drum rotation.Further, as shown in Figure 5, at the right-hand member of screen drum 3, universal plate 33 can also be installed, the right-hand member of screen drum can further be reinforced, be supported to universal plate.
In the time that reality is used the wheat receiving sieve in the present embodiment, wheat is from entering into screen drum towards the discharging opening of screen drum madial wall, in the first sieve aperture district part, can leak down most of wheat in the sieve aperture subarea of high order end, along with screen drum rotation, the less sieve aperture of size in other sieve aperture subarea has further leaked remaining wheat, the wheat leaking down through the first sieve aperture district is transferred to cleaning process one from discharge bucket, and straw and the less impurity of other size leak to impurity removal bucket and are recovered to impurity storehouse from the sieve aperture in the second sieve aperture district, between the discharge bucket and impurity removal bucket of the first sieve aperture district and bottom, the second sieve aperture district, employing has the dividing plate of circular-arc depression from spaced intermediate, prevent that wheat and impurity from mixing again.In addition, in order to improve screening efficiency, strengthen material contact area, in the time that reality is manufactured the receiving sieve of this wheat, can be according to the length of screen drum need to being arranged on more than two meters of real work amount, the bottom surface radius of screen drum is made as one to two meter.Certainly, the concrete size of screen drum length and bottom surface radius also can be chosen arbitrarily as the case may be.
In order to solve the heavier and contact area of material and cause the problem of shaker screen facial disfigurement, many reinforcements are set in the screen drum of receiving sieve, with bolts between screen drum face and reinforcement, be convenient for changing screen drum face, helical form guide plate is further connected on reinforcement, helical form guide plate can be reinforced compass screen surface on the one hand, also can advance on the other hand material to advance vertically.The left end of screen drum supports with two guide wheels, and the spacing between guide wheel is adjustable, and then changes the height of the compass screen surface of feed end, thereby regulates just clear speed of wheat; The two ends mounting circular ring shape baffle plate of screen drum, annular baffle mainly plays the effect that the material in screen drum is stopped, prevents that material from directly leaving screen drum through screen drum two ends in the process of screen drum rotation.The right-hand member of screen drum can further be installed universal plate, and universal plate can further be reinforced, support screen drum, makes this install more firm and durable.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, and in the situation that not conflicting, the each feature in each embodiment and embodiment in the utility model can combine mutually.For a person skilled in the art, the utility model can have various modifications and variations, all within spirit of the present utility model and principle, any amendment of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a grow wheat receiving sieve, comprises frame (1), is fixed on feed hopper (2), the screen drum (3) in frame and the drive unit (4) being connected with screen drum; It is characterized in that, on screen drum, be axially divided into from left to right the first sieve aperture district (30) and the second sieve aperture district (31) along it, the first sieve aperture district and the second sieve aperture district have the sieve aperture of different size, and the first sieve aperture district and bottom, the second sieve aperture district are respectively equipped with discharge bucket (50) and impurity removal bucket (51); Between discharge bucket and impurity removal bucket, separate with dividing plate (6), on dividing plate, there is the circular-arc depression matching with the shape of screen drum.
2. wheat receiving sieve according to claim 1, is characterized in that, the first sieve aperture district is axially divided at least two sieve aperture subareas (300) along screen drum, has the sieve aperture of different size in each sieve aperture subarea.
3. wheat receiving sieve according to claim 2, is characterized in that, the screen-aperture on sieve aperture subarea reduces from left to right gradually.
4. wheat receiving sieve according to claim 1, is characterized in that, the sieve aperture in the first sieve aperture district is circular; The sieve aperture in the second sieve aperture district is rectangle or ellipse.
5. wheat receiving sieve according to claim 1, is characterized in that, the inside of screen drum is penetrated with reinforcement, and screen drum two ends are connected with reinforcement two ends; The barrel of screen drum is connected with reinforcement bolt.
6. wheat receiving sieve according to claim 5, is characterized in that, inboard wall of riddle drum is provided with along the axially extended helical form guide plate of screen drum (8); Helical form guide plate is fixedly connected with reinforcement.
7. wheat receiving sieve according to claim 2, is characterized in that, each sieve aperture subarea in composition the first sieve aperture district removably connects, and the first sieve aperture district and the second sieve aperture district removably connect.
8. wheat receiving sieve according to claim 1, is characterized in that, the discharging opening (20) of feed hopper is positioned at screen drum left part the madial wall towards screen drum.
9. wheat receiving sieve according to claim 1, is characterized in that, also comprises a pair of guide wheel (9), and guide wheel is in screen drum left part support screen drum, and guide wheel is satisfied with in frame in the adjustable mode of spacing.
10. wheat receiving sieve according to claim 1, is characterized in that, the two ends of screen drum are equipped with annular baffle (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341043.1U CN203951878U (en) | 2014-06-25 | 2014-06-25 | One grow wheat receiving sieve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420341043.1U CN203951878U (en) | 2014-06-25 | 2014-06-25 | One grow wheat receiving sieve |
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| CN203951878U true CN203951878U (en) | 2014-11-26 |
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| CN201420341043.1U Active CN203951878U (en) | 2014-06-25 | 2014-06-25 | One grow wheat receiving sieve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246832A (en) * | 2020-09-28 | 2021-01-22 | 威尔能环保科技(苏州)有限公司 | Battery material processing system |
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2014
- 2014-06-25 CN CN201420341043.1U patent/CN203951878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112246832A (en) * | 2020-09-28 | 2021-01-22 | 威尔能环保科技(苏州)有限公司 | Battery material processing system |
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