CN203494800U - Grain separating sieve plate - Google Patents
Grain separating sieve plate Download PDFInfo
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- CN203494800U CN203494800U CN201320573413.XU CN201320573413U CN203494800U CN 203494800 U CN203494800 U CN 203494800U CN 201320573413 U CN201320573413 U CN 201320573413U CN 203494800 U CN203494800 U CN 203494800U
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- sieve plate
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Abstract
The utility model provides a grain separating sieve plate including a sieve plate base body which is arranged at an included angle relative to a horizontal plane, a plurality of separating projections are arranged on the sieve plate base body, a thrust surface is arranged an upward inclined end, facing the sieve plate base body, on each separating projection, and the included angle A between the thrust surface and the sieve plate base body is an obtuse one. The thrust surfaces for separating grain mixture protrude higher than the sieve plate base body, so that the material pushing capability of grain can be greatly improved, and the separating efficiency of the grain mixture is improved; and meanwhile, the grain mixture having thicker material layers also can be separated, the separation efficiency of the grain separator can be further improved, and finally, the separating capability of a grain separator can be improved; moreover, during the whole working process, even though the problem of rice bran power accommodation may be generated, there is no need to frequently clean the sieve plate base body because the capacity for accommodating rice bran power between every two adjacent separating projections is larger than that of boss-shaped separating grooves in the prior art, thereby reducing the labor intensity of workers and improving the separating capability of the sieve plate base body.
Description
Technical field
The utility model relates to Cereals Processing Machines field, especially, relates to a kind of grain rough separating screen plate.
Background technology
Binary gravity type paddy separator is the leading products in paddy complete equipment for processing, and the mixture of paddy and husked rice that its Main Function Shi Jiangqian road rice huller paddy operation processes carries out paddy and the sorting of brown rice only.
The operation principle of binary gravity type paddy separator: be mainly to utilize grain and the difference of brown rice aspect the physical characteristics such as proportion size, skin-friction coefficient, granular size, on the sieve plate of the mixture that makes grain and brown rice in grain separating machine, move reciprocatingly, thereby make grain and brown rice produce automatic classification, the promotion of the sieve plate of installing in inclined in two-way again and transport under, discharge in the different exits that grain after classification and brown rice are offered from grain separating machine the most at last, thereby reach grain and the automatic separated object of brown rice.
The structure of existing sieve plate as depicted in figs. 1 and 2, sieve plate 2 is provided with the separating tank 21 of " concave station " shape of a plurality of being, a plurality of separating tanks 21 are arranged in many separating tank groups that are parallel to each other, each separating tank in every separating tank group is linearly arranged, and the tendency direction of many separating tank group vertical separation sieve plates, the interlaced layout of each separating tank 21 in two adjacent groups separating tank group, separating tank 21 is directly stamped to form by sieve plate 2.Because separating tank 21 is directly stamped to form by sieve plate 2, therefore the degree of depth of separating tank 21 is little, thereby hold mixture of paddy and husked rice and promote the ability of mixture of paddy and husked rice separation less than normal, and then affect the separative efficiency of mixture of paddy and husked rice, finally reduce the separating power of grain separating machine; On the other hand, the chaff powder producing during work can be deposited in separating tank 21 gradually, because the capacity of the separating tank 21 of " concave station " shape is less, the ability of holding chaff powder is lower, during work, within the very short time interval, just need to clear up sieve plate, increase staff's labour intensity, reduce the separating power of sieve plate.
Utility model content
The utility model aims to provide that a kind of pusher ability is strong, separative efficiency is high, can carry out separation and work to the thicker mixture of the bed of material time without the frequent grain rough separating screen plate of cleaning sieve plate matrix, to solve, the mixture of paddy and husked rice separative efficiency that existing sieve plate exists is low, need the often technical problem of cleaning sieve plate during work.
For achieving the above object, the utility model provides a kind of grain rough separating screen plate, comprise the sieve plate matrix of arranging horizontal by angle, sieve plate matrix is provided with a plurality of separated projections, the upper end that is inclined upwardly towards sieve plate matrix of each separated projection is provided with thrust face, and the included angle A between thrust face and sieve plate matrix is obtuse angle.
Further, on thrust face, the top margin of distance sieve plate matrix farthest is 1.8mm～3.0mm to the vertical height of sieve plate matrix.
Further, be also provided with the slide guide face opposing with thrust face in each separated projection, the included angle B between slide guide face and sieve plate matrix is obtuse angle; On slide guide face, the top margin of distance sieve plate matrix farthest overlaps with the top margin of thrust face.
Further, be also provided with the first joint face and the second joint face in each separated projection, the first joint face and the second joint face are arranged symmetrically with about the incline direction of sieve plate matrix; Angle C between the first joint face and sieve plate matrix is obtuse angle, and the angle D between the second joint face and sieve plate matrix is obtuse angle; The first joint face and the second joint face all intersect with thrust face and slide guide face.
Further, separated projection and the moulding of sieve plate matrix integrated punching.
Further, a plurality of separated bump array become many separated convex sets that are parallel to each other, and a plurality of separated projection in every separated convex sets is linearly arranged, and the incline direction of many separated convex sets vertical sieve tray matrixes.
Further, each separated protruding interlaced layout in the separated convex sets of two adjacent groups.
Further, the separated convex sets of two adjacent groups is at a distance of 8mm～12mm.
Further, adjacent two the separated projections in same separated convex sets are at a distance of 15mm～20mm.
The utlity model has following beneficial effect
Compared to existing technology, the height that mixture of paddy and husked rice is carried out to separated thrust face 111 protrusion sieve plate matrix 1 is higher, thereby can greatly improve the pusher ability to brown rice, thereby improves the separative efficiency of mixture of paddy and husked rice;
Can also carry out separation to the thicker mixture of paddy and husked rice of the bed of material, thereby can further improve the separative efficiency of mixture of paddy and husked rice, finally improve the separating power of grain separating machine simultaneously;
And in the whole course of work, even the problem that there will be chaff powder to pile up, but owing to holding large many of the separating tank 21 of Capacity Ratio existing " concave station " shape of chaff powder between adjacent separated projection 11, therefore when work is without frequent cleaning sieve plate matrix 1, thereby reduce staff's labour intensity, improve the separating power of sieve plate matrix 1.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the local structure for amplifying schematic diagram of the sieve plate of prior art;
Fig. 2 is that A-A in Fig. 1 is to sectional structure schematic diagram;
Fig. 3 is the main TV structure schematic diagram according to grain rough separating screen plate of the present utility model;
Fig. 4 is the local structure for amplifying schematic diagram at the I place in Fig. 3; And
Fig. 5 is that B-B in Fig. 4 is to sectional structure schematic diagram.
Marginal data
1, sieve plate matrix; 11, separated projection; 111, thrust face; 112, slide guide face; 113, the first joint face; 114, the second joint face; 2, sieve plate; 21, separating tank.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figure 3 and Figure 4, a kind of grain rough separating screen plate of the present utility model, comprise the sieve plate matrix 1 of arranging horizontal by angle, sieve plate matrix 1 is provided with a plurality of separated projections 11, the end that is inclined upwardly towards sieve plate matrix 1 in each separated projection 11 is provided with thrust face 111, and the included angle A between thrust face 111 and sieve plate matrix 1 is obtuse angle.Compared to existing technology, the height that mixture of paddy and husked rice is carried out to separated thrust face 111 protrusion sieve plate matrix 1 is higher, thereby can greatly improve the pusher ability to brown rice, thereby improves the separative efficiency of mixture of paddy and husked rice; Can also carry out separation to the thicker mixture of paddy and husked rice of the bed of material, thereby can further improve the separative efficiency of mixture of paddy and husked rice, finally improve the separating power of grain separating machine simultaneously; And in the whole course of work, even the problem that there will be chaff powder to pile up, but owing to holding large many of the separating tank 21 of Capacity Ratio existing " concave station " shape of chaff powder between adjacent separated projection 11, therefore when work is without frequent cleaning sieve plate matrix 1, thereby reduce staff's labour intensity, improve the separating power of sieve plate matrix 1.
The course of work of grain rough separating screen plate of the present utility model is: when sieve plate matrix 1 is done round oscillating movement along the direction that becomes angle with horizontal plane, be positioned over grain in sieve plate matrix 1 with brown rice because proportion, skin-friction coefficient and granular size are different, thereby generation automatic classification, than great, smooth surface and the less brown rice of particle, will sink, Surface Contact with sieve plate matrix 1, in vibration, collide after thrust face 111, the end that is inclined upwardly to sieve plate matrix 1 under the effect of thrust face 111 is mobile, proportion is little, rough surface, and the grain that particle is larger will float, in vibration, collide after thrust face 111, due to thrust face 111 towards sieve plate matrix 1 be inclined upwardly end and and sieve plate matrix 1 between included angle A be obtuse angle, therefore under the effect of thrust face 111, grain moves the splay end that dips down to sieve plate matrix 1, final under the effect of vibration of sieve plate matrix 1, mixture of paddy and husked rice will form different subregions in sieve plate matrix 1, and when brown rice is held movement to being inclined upwardly of sieve plate matrix 1, to discharge from being arranged at the upper outlet of the end that is inclined upwardly of sieve plate matrix 1, when grain moves to the splay end that dips down of sieve plate matrix 1, by from be arranged at sieve plate matrix 1 the splay end that dips down exit discharge, thereby reach grain and the automatic separated object of brown rice.
Preferably, in order to make the pusher ability optimization of 111 pairs of brown rice of thrust face, make the rapider, thorough of mixture of paddy and husked rice separation, by calculating and experiment is known, when on thrust face 111, the top margin of distance sieve plate matrix 1 farthest is 1.8mm～3.0mm to the vertical height of sieve plate matrix 1, grain rough separating screen plate is best to the separating effect of grain and brown rice.
In the utility model, as shown in Figure 5, the resistance moving up in order to reduce the brown rice that contacts with sieve plate matrix 1, therefore the slide guide face 112 that the gradient is less is also set in each separated projection 11, slide guide face 112 is opposing with thrust face 111, and the included angle B between slide guide face 112 and sieve plate matrix 1 is obtuse angle, on slide guide face 112, the top margin of distance sieve plate matrix 1 farthest overlaps with the top margin of thrust face 111.
Further, as shown in Figure 4, in each separated projection 11, be also provided with the first joint face 113 and the second joint face 114, the first joint face 113 and the second joint face 114 are arranged symmetrically with about the incline direction of sieve plate matrix 1, angle C between the first joint face 113 and sieve plate matrix 1 is obtuse angle, angle D between the second joint face 114 and sieve plate matrix 1 is obtuse angle, and the first joint face 113 and the second joint face 114 all intersect with thrust face 111 and slide guide face 112.
In the present embodiment, shown in Fig. 4, separated projection 11 bottoms that are connected with sieve plate matrix 1 are rectangle, and two long limits of rectangle bottom are vertical with the incline direction of sieve plate matrix 1, and thrust face 111 and slide guide face 112 are two long limits of rectangle bottom with the intersection of sieve plate matrix 1; The first joint face 113 and the second joint face 114 are two minor faces of rectangle bottom with the intersection of sieve plate matrix 1.In other embodiments, separated projection 11 bottoms that are connected with sieve plate matrix 1 also can be Else Rule or irregular shape, at this moment, face a plurality of and that this bottom is crossing also can be set in separated projection 11 simultaneously.
Preferably, separated projection 11 and sieve plate matrix 1 integrated punching moulding, make separated projection 11 and the thrust face 111 on it, slide guide face 112, the first joint face 113 and the second joint face 114 processing simple, and bonding strength is high.
In the utility model, then in conjunction with shown in Fig. 4, a plurality of separated projections 11 are arranged in many separated convex sets that are parallel to each other, and a plurality of separated projection 11 in every separated convex sets is linearly arranged, and the incline direction of many separated convex sets vertical sieve tray matrixes 1.Each separated projection 11 interlaced layout in the separated convex sets of two adjacent groups, are conducive to improve disintegrate-quality and the separative efficiency of mixture of paddy and husked rice.
Preferably, in the present embodiment, in order further to shorten the disengaging time of mixture of paddy and husked rice, improve separative efficiency, by calculate and test known, when the separated convex sets of two adjacent groups is during at a distance of 8mm～12mm, grain rough separating screen plate is shorter to the disengaging time of grain and brown rice, and separative efficiency is Gao Jia more.In the present embodiment, adjacent two separated projections 11 of same group are at a distance of 15mm～20mm.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect
1, compared to existing technology, the height that mixture of paddy and husked rice is carried out to separated thrust face 111 protrusion sieve plate matrix 1 is higher, thereby can greatly improve the pusher ability to brown rice, thereby improves the separative efficiency of mixture of paddy and husked rice; Can also carry out separation to the thicker mixture of paddy and husked rice of the bed of material, thereby can further improve the separative efficiency of mixture of paddy and husked rice, finally improve the separating power of grain separating machine simultaneously; And in the whole course of work, even the problem that there will be chaff powder to pile up, but owing to holding large many of the separating tank 21 of Capacity Ratio existing " concave station " shape of chaff powder between adjacent separated projection 11, therefore when work is without frequent cleaning sieve plate matrix 1, thereby reduce staff's labour intensity, improve the separating power of sieve plate matrix 1;
2, on thrust face 111, the top margin of distance sieve plate matrix 1 farthest is 1.8mm～3.0mm to the vertical height of sieve plate matrix 1, makes grain rough separating screen plate best to the separating effect of grain and brown rice;
3, separated projection 11 and sieve plate matrix 1 integrated punching moulding, make separated projection 11 and the thrust face 111 on it, slide guide face 112, the first joint face 113 and the second joint face 114 processing simple, and bonding strength is high;
4, the separated convex sets of two adjacent groups is at a distance of 8mm～12mm, and grain rough separating screen plate is shorter to the disengaging time of grain and brown rice, and separative efficiency is higher.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, 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 modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a grain rough separating screen plate, comprises the sieve plate matrix (1) of arranging horizontal by angle, it is characterized in that,
Described sieve plate matrix (1) is provided with a plurality of separated projections (11), described in each, the upper end that is inclined upwardly towards described sieve plate matrix (1) of separated projection (11) is provided with thrust face (111), and the included angle A between described thrust face (111) and described sieve plate matrix (1) is obtuse angle.
2. grain rough separating screen plate according to claim 1, is characterized in that,
Described in the upper distance of described thrust face (111), the top margin of sieve plate matrix (1) farthest is 1.8mm～3.0mm to the vertical height of described sieve plate matrix (1).
3. grain rough separating screen plate according to claim 2, is characterized in that,
Described in each, in separated projection (11), be also provided with the slide guide face (112) opposing with described thrust face (111), the included angle B between described slide guide face (112) and described sieve plate matrix (1) is obtuse angle;
Described in the upper distance of described slide guide face (112), the top margin of sieve plate matrix (1) farthest overlaps with the top margin of described thrust face (111).
4. grain rough separating screen plate according to claim 3, is characterized in that,
Described in each, in separated projection (11), be also provided with the first joint face (113) and the second joint face (114), described the first joint face (113) and described the second joint face (114) are arranged symmetrically with about the incline direction of described sieve plate matrix (1);
Angle C between described the first joint face (113) and described sieve plate matrix (1) is obtuse angle, and the angle D between described the second joint face (114) and described sieve plate matrix (1) is obtuse angle;
Described the first joint face (113) and described the second joint face (114) all intersect with described thrust face (111) and described slide guide face (112).
5. grain rough separating screen plate according to claim 4, is characterized in that,
Described separated projection (11) and described sieve plate matrix (1) integrated punching moulding.
6. according to the grain rough separating screen plate described in any one in claim 1 to 5, it is characterized in that,
A plurality of described separated projections (11) are arranged in many separated convex sets that are parallel to each other, a plurality of described separated projection (11) in every described separated convex sets is linearly arranged, and the incline direction of many vertical described sieve plate matrix of described separated convex sets (1).
7. grain rough separating screen plate according to claim 6, is characterized in that,
Separated projection (11) interlaced layout described in each described in two adjacent groups in separated convex sets.
8. grain rough separating screen plate according to claim 7, is characterized in that,
Described in two adjacent groups, separated convex sets is at a distance of 8mm～12mm.
9. grain rough separating screen plate according to claim 8, is characterized in that,
Adjacent two described separated projections (11) in same separated convex sets are at a distance of 15mm～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573413.XU CN203494800U (en) | 2013-09-16 | 2013-09-16 | Grain separating sieve plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320573413.XU CN203494800U (en) | 2013-09-16 | 2013-09-16 | Grain separating sieve plate |
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| CN203494800U true CN203494800U (en) | 2014-03-26 |
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| CN201320573413.XU Expired - Lifetime CN203494800U (en) | 2013-09-16 | 2013-09-16 | Grain separating sieve plate |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317319A (en) * | 2020-10-12 | 2021-02-05 | 武汉轻工大学 | Broken rice separating equipment of rice bran and rice processing all-in-one |
| CN112337798A (en) * | 2020-10-12 | 2021-02-09 | 武汉轻工大学 | Broken rice splitter of rice bran |
| CN112403556A (en) * | 2020-10-12 | 2021-02-26 | 武汉轻工大学 | Rice processing all-in-one |
| CN114345687A (en) * | 2022-01-05 | 2022-04-15 | 武汉竹禾粮食机械有限公司 | Grain cleaning sieve for separating grains from rice |
-
2013
- 2013-09-16 CN CN201320573413.XU patent/CN203494800U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317319A (en) * | 2020-10-12 | 2021-02-05 | 武汉轻工大学 | Broken rice separating equipment of rice bran and rice processing all-in-one |
| CN112337798A (en) * | 2020-10-12 | 2021-02-09 | 武汉轻工大学 | Broken rice splitter of rice bran |
| CN112403556A (en) * | 2020-10-12 | 2021-02-26 | 武汉轻工大学 | Rice processing all-in-one |
| CN112337798B (en) * | 2020-10-12 | 2022-04-05 | 武汉轻工大学 | Broken rice splitter of rice bran |
| CN114345687A (en) * | 2022-01-05 | 2022-04-15 | 武汉竹禾粮食机械有限公司 | Grain cleaning sieve for separating grains from rice |
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