CN214682912U

CN214682912U - High-efficient screening mechanism that agricultural cereal was reaped

Info

Publication number: CN214682912U
Application number: CN202120730491.0U
Authority: CN
Inventors: 杨艳; 成永霞
Original assignee: Nanjing Vocational University of Industry Technology NUIT
Current assignee: Nanjing Vocational University of Industry Technology NUIT
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-12
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a high-efficiency screening mechanism for agricultural grain harvesting, which relates to the technical field of grain screening, and comprises a screening component and a blowing component, wherein the screening component is placed on the ground and used for screening grains mixed in crushed straws, and the screening component specifically comprises a support plate, a crankshaft I, a crankshaft II, a shaking plate, a support tube, a shunting basin, a screening basin and a Fuma wheel; the blowing subassembly is arranged on the inner side of the screening subassembly and is used for screening off dust attached to the surface of grains, and the blowing subassembly specifically comprises an impeller cover, an impeller shaft, an impeller, an air outlet cover, an air outlet pipe, a first support column, a speed increaser and a second support column. To sum up, the utility model provides a high-efficient screening plant of agricultural cereal has that structural design is ingenious, the use is maintained convenient, the screening is effectual, the characteristics that screening efficiency is high.

Description

High-efficient screening mechanism that agricultural cereal was reaped

Technical Field

The utility model relates to a technical field of cereal screening, concretely relates to high-efficient screening mechanism that agricultural cereal was reaped.

Background

As the traditional diet of Chinese people, the grain is one of the indispensable foods on the dining table of common people for thousands of years, plays an important role in the diet of China and is taken as the traditional staple food. Cereals, including rice, wheat, millet, and soybean, are traditional staple foods for many asian people. The cereals have low fat content, most of them are unsaturated fatty acids, and also have a small amount of phospholipids, and the cereal germ oil contains more vitamin E, and has antioxidation effect.

In cereal production and processing process, need use the sieving mechanism to sieve cereal granule, and current sieving mechanism generally only sieves it through vibrating or rocking, once can only sieve a small amount of cereal, when the cereal of pouring into is more, the accumulational phenomenon appears easily, has reduced the screening efficiency of cereal, has improved user's intensity of labour, is not convenient for people to use.

Disclosure of Invention

An object of the utility model is to provide a high-efficient screening mechanism that agricultural cereal reaped to solve the above-mentioned defect that leads to among the prior art.

An efficient screening mechanism for agricultural grain harvesting comprising a screening assembly and a blow-subassembly, wherein:

the screening component is placed on the ground and is used for screening out grains mixed in the crushed straws;

the blow-out subassembly is disposed inside the screen assembly and is used to screen out dust adhering to the grain surface.

Preferably, the screening component specifically comprises a support plate, a first crankshaft, a second crankshaft, a shaking plate, support tubes, a shunting basin, a screening basin and a horse wheel, wherein the support plate is horizontally arranged, the first crankshaft is provided with one crankshaft and is arranged at the center of the upper side of the support plate in a centered rotating manner, the lower end part of the first crankshaft is in key connection with the first transmission wheel, the second crankshaft is provided with a plurality of crankshafts and is uniformly and rotatably arranged at the edge of the upper side of the support plate, the lower end part of the second crankshaft is in key connection with the second transmission wheel, the first transmission wheel is connected with the second transmission wheel through a transmission belt, the shaking plate is horizontally arranged above the support plate and is rotatably connected with the upper end parts of the first crankshaft and the second crankshaft, the support tubes are provided with a plurality of crankshafts and are uniformly and vertically arranged at the edge of the upper side of the shaking plate, the shunting basin is horizontally arranged at the top end of each support tube, and the center of the bottom of the shunting basin protrudes upwards and presents a cone shape, the bottom edge evenly distributed of reposition of redundant personnel basin has the reposition of redundant personnel mouth, the even vertical fixation in top edge of reposition of redundant personnel basin has the reference column, screening basin level is located the top of reposition of redundant personnel basin, evenly welded has the spacer of C type on the outer wall of screening basin, the one-to-one just adopts clearance fit between spacer and the reference column, fortune horse wheel is equipped with a plurality of and evenly installed in the downside of backup pad.

Preferably, the blowing subassembly specifically comprises an impeller cover, an impeller shaft, an impeller, an air outlet cover, an air outlet pipe, a first support column, a speed increaser and a second support column, wherein the impeller cover is a cylindrical shell with an open top, an air inlet pipe is uniformly welded on the outer wall of the impeller cover, the impeller shaft is rotatably installed at the center of the impeller cover through a bearing, the impeller is positioned at the inner side of the impeller cover and is in key connection with an inward extending end of the impeller shaft, the air outlet cover is coaxially installed at the top of the impeller cover, the air outlet pipe is coaxially installed at the top of the air outlet cover, air guide pipes are uniformly and vertically fixed on the outer wall of the upper part of the air outlet pipe, the overhanging end of each air guide pipe is connected with a hollow air guide row, air guide holes are uniformly distributed at the outer side of the air guide row, the first support columns are provided with a plurality of air guide pipes and are uniformly connected between the impeller cover and a shaking plate, and the speed increaser is coaxially arranged between a crankshaft I and the impeller shaft, and the input end of the support column II is connected with the crankshaft in a key mode, the output end of the support column II is connected with the impeller shaft in a key mode, and the support column II is provided with a plurality of support columns which are evenly connected between the speed increaser and the shaking plate.

Preferably, the screening assembly further comprises a shaking rod, and the shaking rod is provided with a pair of supporting tubes which are symmetrically arranged at the left side and the right side.

Preferably, the blow-out subassembly further comprises a flow regulating valve, and the flow regulating valve is provided with a plurality of flow regulating valves and is correspondingly installed on each gas guide pipe.

The utility model has the advantages that: when the efficient screening mechanism for agricultural grain harvesting is actually applied:

it rotates to cross crankshaft one and crankshaft two emergence, and then drives and rock the board and take place to rotate, and then drives in step and shunt the basin and take place to rotate, and cereal can the landing to the bottom edge of reposition of redundant personnel basin, then from the orderly landing down of reposition of redundant personnel mouth of reposition of redundant personnel basin, avoids cereal to concentrate on certain part whereabouts, can't reach effectual dispersion and open.

Secondly, the crankshaft drives the impeller shaft and the impeller to rotate through the transmission of the speed increaser, so that air is sucked from the air inlet pipe, reaches the air guide row along the air outlet pipe and the air guide pipe, and is discharged from the air guide hole on the air guide row to form a layer of high-speed airflow barrier, and dust attached to the surface of grains is screened out.

To sum up, the utility model provides a high-efficient screening plant of agricultural cereal has that structural design is ingenious, the use is maintained convenient, the screening is effectual, the efficient characteristics of screening.

Drawings

Fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention.

Figures 2 and 3 are schematic views of screen assemblies according to the present invention.

Fig. 4 and 5 are schematic structural views of the blow-subassembly of the present invention.

Wherein:

10-a screen assembly; 101-a support plate; 102-crankshaft one; 103-a first driving wheel; 104-crankshaft two; 105-a second transmission wheel; 106-a belt; 107-shaking plate; 108-support tube; 109-a shunt basin; 109 a-a shunt port; 110-a positioning column; 111-a screening basin; 112-a locating plate; 113-Fuma wheel; 114-a sway bar;

20-a blow subassembly; 201-impeller cover; 202-an air inlet pipe; 203-impeller shaft; 204-an impeller; 205-an air outlet cover; 206-an air outlet pipe; 207-airway tube; 208-a gas guide row; 208 a-gas vent; 209-flow regulating valve; 210-support column one; 211-speed increaser; 212-support post two.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 5, a high efficiency screening mechanism for agricultural grain harvesting comprises a screening assembly 10, a blowing sub assembly 20 and a collecting assembly 30, wherein:

the screen assembly 10 is placed on the ground and is used for screening out grains mixed in the crushed straws;

the blow-off assembly 20 is provided inside the screen assembly 10 and serves to screen off dust attached to the surface of the grain.

In this embodiment, the screening assembly 10 specifically includes a supporting plate 101, a first crankshaft 102, a second crankshaft 104, a shaking plate 107, a supporting pipe 108, a flow dividing basin 109, a screening basin 111, and a rocking wheel 113, the supporting plate 101 is horizontally disposed, the first crankshaft 102 is provided with one and centrally rotatably mounted at the center of the upper side of the supporting plate 101, the lower end of the first crankshaft 102 is keyed with a first driving wheel 103, the second crankshaft 104 is provided with a plurality of and uniformly rotatably mounted at the edge of the upper side of the supporting plate 101, the lower end of the second crankshaft 104 is keyed with a second driving wheel 105, the first driving wheel 103 is connected with the second driving wheel 105 through a driving belt 106, the shaking plate 107 is horizontally disposed above the supporting plate 101 and rotatably connected with the upper ends of the first crankshaft 102 and the second crankshaft 104, the supporting pipe 108 is provided with a plurality of and uniformly and vertically mounted at the edge of the upper side of the shaking plate 107, reposition of redundant personnel basin 109 horizontal installation is on the top of each stay tube 108, the bottom center department of reposition of redundant personnel basin 109 upwards swells and presents into the cone, the bottom edge evenly distributed of reposition of redundant personnel basin 109 has branch flow outlet 109a, the even vertical fixation in top edge of reposition of redundant personnel basin 109 has reference column 110, screening basin 111 level is located the top of reposition of redundant personnel basin 109, evenly welded has the spacer 112 of C type on the outer wall of screening basin 111, one-to-one just adopts clearance fit between spacer 112 and the reference column 110, fortune horse wheel 113 is equipped with a plurality of and evenly installs in the downside of backup pad 101. Rotate through the second 104 emergence of bent axle 102 and bent axle, and then drive and shake board 107 and take place to rotate, and then drive screening basin 111 in step and take place to rotate, fall to reposition of redundant personnel basin 109 after from the cereal that screening basin 111 sifted down, can the landing of landing to reposition of redundant personnel basin 109, then from the orderly landing of reposition of redundant personnel mouth 109a of reposition of redundant personnel basin 109, avoid cereal to concentrate on certain part whereabouts, can't reach effectual dispersion and open.

In this embodiment, the blowing subassembly 20 specifically includes an impeller cover 201, an impeller shaft 203, an impeller 204, an air outlet cover 205, an air outlet pipe 206, a first support column 210, a speed increaser 211 and a second support column 212, the impeller cover 201 is a cylindrical shell with an open top, the air inlet pipe 202 is uniformly welded on the outer wall of the impeller cover 201, the impeller shaft 203 is rotatably installed at the center of the impeller cover 201 through a bearing, the impeller 204 is located inside the impeller cover 201 and is connected to the inward extending end of the impeller shaft 203 in a key manner, the air outlet cover 205 is coaxially installed at the top of the impeller cover 201, the air outlet pipe 206 is coaxially installed at the top of the air outlet cover 205, air guide pipes 207 are uniformly and vertically fixed on the outer wall of the upper portion of the air outlet pipe 206, the overhanging end of the air guide pipe 207 is connected with a hollow air guide exhaust 208, air guide holes 208a are uniformly distributed on the outer side of the air guide exhaust 208, the first support column 210 is provided with a plurality of air guide pipes and is uniformly connected between the impeller cover 201 and the wobble plate 107, the speed increaser 211 is coaxially arranged between the crankshaft I102 and the impeller shaft 203, the input end of the speed increaser 211 is in key connection with the crankshaft I102, the output end of the speed increaser is in key connection with the impeller shaft 203, and the support columns II 212 are provided with a plurality of speed increasers 211 and are uniformly connected between the speed increaser 211 and the shaking plate 107. After the crankshaft 102 is driven by the speed increaser 211, the impeller shaft 203 and the impeller 204 can be driven to rotate, so that air is sucked from the air inlet pipe 202, reaches the air guide row 208 along the air outlet pipe 206 and the air guide pipe 207, and is discharged from the air guide hole 208a on the air guide row 208 to form a high-speed air flow barrier, and dust attached to the surface of grains is screened out.

In this embodiment, screen assembly 10 further includes a shaking bar 114, and shaking bar 114 is provided with a pair of support pipes 108 installed at left and right sides in a bilaterally symmetrical manner. The shaking plate 107 can be driven to rotate by holding the shaking rod 114 with a hand and applying a certain torque

In this embodiment, the blow-out subassembly 20 further includes a flow regulating valve 209, and the flow regulating valve 209 is provided in a plurality and is correspondingly installed on each gas duct 207. The flow of the discharged air can be adjusted approximately by adjusting the flow adjusting valve 209 to adapt to the screening work of grains with different qualities.

In this embodiment, this kind of agricultural grain reaps high-efficient screening mechanism when the practical application:

rotation takes place through bent axle one 102 and bent axle two 104, and then drives and shake board 107 and take place to rotate, and then drives in step and shunt basin 109 and take place to rotate, and cereal can the landing to the bottom edge of shunting basin 109, then follow the orderly landing of reposition of redundant personnel mouth 109a of shunting basin 109, avoid cereal to concentrate on certain part whereabouts, can't reach effectual dispersion and leave.

Secondly, after the first crankshaft 102 is driven by the speed increaser 211, the impeller shaft 203 and the impeller 204 can be driven to rotate, so that air is sucked from the air inlet pipe 202, reaches the air guide row 208 along the air outlet pipe 206 and the air guide pipe 207, and is discharged from the air guide hole 208a on the air guide row 208 to form a high-speed air flow barrier, and dust attached to the surfaces of grains is screened out.

The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides an agricultural cereal reaps high-efficient screening mechanism which characterized in that: comprising a screen assembly (10), a blow-off assembly (20) and a collection assembly (30), wherein:

the screening component (10) is placed on the ground and used for screening out grains mixed in crushed straws, and the screening component (10) specifically comprises a supporting plate (101), a first crankshaft (102), a second crankshaft (104), a shaking plate (107), a supporting tube (108), a shunting basin (109), a screening basin (111) and a Frouhorse wheel (113);

the blowing subassembly (20) is arranged on the inner side of the screening subassembly (10) and is used for screening off dust attached to the surface of grains, and the blowing subassembly (20) specifically comprises an impeller cover (201), an impeller shaft (203), an impeller (204), an air outlet cover (205), an air outlet pipe (206), a first support column (210), a speed increaser (211) and a second support column (212).

2. The efficient screening mechanism for agricultural grain harvesting of claim 1, wherein: the supporting plate (101) is horizontally arranged, the first crankshaft (102) is provided with one and is arranged at the center of the upper side of the supporting plate (101) in a centered rotating mode, the lower end part of the first crankshaft (102) is in key connection with the first driving wheel (103), the second crankshaft (104) is provided with a plurality of and is uniformly arranged at the edge of the upper side of the supporting plate (101) in a rotating mode, the lower end part of the second crankshaft (104) is in key connection with the second driving wheel (105), the first driving wheel (103) is connected with the second driving wheel (105) through a driving belt (106), the shaking plate (107) is horizontally arranged above the supporting plate (101) and is in rotating connection with the upper end parts of the first crankshaft (102) and the second crankshaft (104), the supporting tubes (108) are provided with a plurality of and are uniformly and vertically arranged at the edge of the upper side of the shaking plate (107), and the flow distribution basins (109) are horizontally arranged at the top ends of the supporting tubes (108), the utility model discloses a novel screening basin, including reposition of redundant personnel basin (109), bottom center department of reposition of redundant personnel basin (109) upwards swells and presents into the cone, the bottom edge evenly distributed of reposition of redundant personnel basin (109) has reposition of redundant personnel mouth (109a), the top edge evenly vertical fixation of reposition of redundant personnel basin (109) has reference column (110), screening basin (111) level is located the top of reposition of redundant personnel basin (109), evenly welded has locating piece (112) of C type on the outer wall of screening basin (111), one-to-one just adopts clearance fit between locating piece (112) and reference column (110), fortune horse wheel (113) are equipped with a plurality of and evenly mounted in the downside of backup pad (101).

3. The efficient screening mechanism for agricultural grain harvesting of claim 2, wherein: the impeller cover (201) is a cylindrical shell with an open top, an air inlet pipe (202) is uniformly welded on the outer wall of the impeller cover (201), the impeller shaft (203) is rotatably installed at the center of the impeller cover (201) through a bearing, the impeller (204) is located on the inner side of the impeller cover (201) and is connected with an inward extending end of the impeller shaft (203) in a key mode, the air outlet cover (205) is coaxially installed at the top of the impeller cover (201), the air outlet pipe (206) is coaxially installed at the top of the air outlet cover (205), air guide pipes (207) are uniformly and vertically fixed on the outer wall of the upper portion of the air outlet pipe (206), the overhanging end of each air guide pipe (207) is connected with a hollow air guide exhaust pipe (208), air guide holes (208a) are uniformly distributed on the outer side of the air guide exhaust pipe (208), and a plurality of support columns (210) are uniformly connected between the impeller cover (201) and the shaking plate (107), the speed increaser (211) is coaxially arranged between the crankshaft I (102) and the impeller shaft (203), the input end of the speed increaser is in key connection with the crankshaft I (102), the output end of the speed increaser is in key connection with the impeller shaft (203), and the support columns II (212) are provided with a plurality of speed increasers and are uniformly connected between the speed increaser (211) and the shaking plate (107).

4. The efficient screening mechanism for agricultural grain harvesting of claim 2, wherein: the screen assembly (10) further comprises a shaking rod (114), wherein the shaking rod (114) is provided with a pair of support pipes (108) which are arranged at the left side and the right side in a bilateral symmetry mode.

5. The efficient screening mechanism for agricultural grain harvesting of claim 3, wherein: the blowing subassembly (20) further comprises a flow regulating valve (209), and the flow regulating valve (209) is provided with a plurality of valves and is correspondingly arranged on each air guide pipe (207).