CN220072382U - Crop screening and airing device - Google Patents

Abstract

The utility model discloses a crop screening and airing device which comprises a shell, wherein a funnel is arranged at the top of the shell, a first screen plate is arranged below the funnel, a plurality of grooves are formed in the first screen plate, a plurality of first leakage holes are formed in the grooves, a first drainage plate is arranged below the first screen plate, and the first drainage plate is connected with a first discharge hole; one end of the first sieve plate is connected with a second sieve plate which is obliquely arranged, a plurality of second leakage holes are formed in the second sieve plate, a second drainage plate is arranged below the second sieve plate, and the second drainage plate is connected with a second discharge hole; the second sieve one end is provided with the third discharge gate, and sunning board is connected to first discharge gate, second discharge gate department, carries out even screening to the grain size before the grain sunning in order to guarantee the sunning quality of crops, is favorable to the later stage storage or the processing of crops grain, and the shell top is provided with the vibrator, and the vibration of sieve can increase the contact opportunity of sieve mesh and crops grain, improves screening efficiency and speed.

Description

Crop screening and airing device

Technical Field

The utility model belongs to the technical field of crop processing, and particularly relates to a crop screening and airing device.

Background

In order to facilitate storage of crop kernels, the crop kernels are stored after being dried, such as wheat, corn kernels, soybeans and the like, so that the purpose of the method is to reduce moisture in the kernels after being dried, inhibit respiration of the kernels, reduce organic matter consumption and prolong storage time.

The situation that the sizes of grains are uneven can be met in the actual airing process, because the volumes of the grains are different, the moisture content of the large grains is more, the moisture content of the small grains is less, the evaporation speeds of the moisture are different when the thicknesses of the outer skins of the large grains and the small grains are different, if the large grains and the small grains are simultaneously aired, the small grains are fully aired, the large grains are not fully aired, the later storage is affected, and if the large grains are fully aired, the activity of the grains is damaged due to too evaporation of the moisture in the small grains under the same condition, and the later sowing or processing is affected.

Therefore, before the grains are aired, screening is needed to ensure the airing quality of the crops, and the later processing and storage of the crops are facilitated.

Disclosure of Invention

In order to solve the problems encountered in the background technology, the utility model provides a crop screening and airing device, which is used for screening before airing crop grains so as to improve the airing quality of the crops and is beneficial to the later processing, storage or sowing of the crops.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a crops screening drying device, includes the shell, the shell top is provided with the funnel, the funnel below is provided with first sieve, first sieve one end is connected with the slope of shell inner wall, be provided with a plurality of recesses on the first sieve, a plurality of first leak holes have been seted up in the recess, first sieve below is provided with first drainage plate, first drainage plate is connected with first discharge gate;

one end of the first sieve plate is connected with a second sieve plate which is obliquely arranged, a plurality of second leakage holes are formed in the second sieve plate, a second drainage plate is arranged below the second sieve plate, and the second drainage plate is connected with a second discharge hole;

the shell top is provided with the vibrator, second sieve one end is provided with the third discharge gate, first discharge gate, second discharge gate are connected first sunning board, second sunning board through the baffle respectively.

Further, the side wall of the shell is communicated with an exhaust fan, and the exhaust fan is connected with a filter cloth bag.

Further, a strip magnet is arranged at the interval of the grooves.

Further, a recovery tank is arranged below the third discharge hole.

Further, the first discharge port is connected with a first airing plate through a guide plate, the second discharge port is connected with a second airing plate through a guide plate, a rotating block is installed in the middle of the first airing plate and the second airing plate, the rotating block is connected with a motor, and a toothed plate is connected to the rotating block.

Further, the bottoms of the first airing plate and the second airing plate are connected with telescopic supporting rods.

Further, the device is characterized in that a cavity is formed in the bottom of the shell, and a balancing weight is placed in the cavity.

The beneficial effects are that: according to the utility model, crop grains firstly pass through the screening and filtering of the first sieve plate, the crop grains conforming to the first leak hole fall on the first drainage plate, flow out to the second drying plate from the first discharge hole through the first drainage plate for drying, the residual crop grains fall on the second drainage plate through the second sieve plate, flow out to the drying plate from the second discharge hole through the second drainage plate for drying, the screened grains fall on the first drainage plate and flow out from the first discharge hole after screening the grains by the first sieve plate, then flow to the first drying plate for drying through the guide plate, and the residual crop grains are simultaneously conveyed to the second drying plate through the guide plate for drying, and the drying time of the grains with different sizes can be better controlled by draining the screened grains to the different drying plates for drying.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a crop screening and airing device according to an embodiment of the present utility model;

fig. 2 is a schematic cross-sectional view of a casing of a crop screening and airing device according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a crop screening and airing device according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a crop screening and airing device according to an embodiment of the present utility model;

in the figure: the device comprises a shell-1, a funnel-2, a vibrator-5 and a guide plate-7;

a first screen plate-3;

the groove-31, the first drain hole-311 and the first drainage plate-32;

a second screen plate-4;

the second drain hole-41, the second drainage plate-42, the second discharge hole-43 and the third discharge hole-44;

an exhaust fan-6 and a filter cloth bag-61;

a first sun-drying plate-81, a second sun-drying plate-82;

the rotating block-9 and the toothed plate-91.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are also within the scope of the utility model.

It should be noted that in the description of the present utility model, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The crop screening and airing device provided by the embodiment, as shown in fig. 1-4, comprises a shell 1, a funnel 2 is arranged at the top of the shell 1, a first screen plate 3 is arranged below the funnel 2, one end of the first screen plate 3 is obliquely connected with the inner wall of the shell 1, a plurality of grooves 31 are formed in the first screen plate 3, a plurality of first leakage holes 311 are formed in the grooves 31, a first drainage plate 32 is arranged below the first screen plate 3, and the first drainage plate 32 is connected with a first discharge hole 33; one end of the first sieve plate 3 is connected with a second sieve plate 4 which is obliquely arranged, a plurality of second leakage holes 41 are formed in the second sieve plate 4, a second drainage plate 42 is arranged below the second sieve plate 4, and the second drainage plate 42 is connected with a second discharge hole 43; the top of the shell 1 is provided with a vibrator 5, one end of the second sieve plate 4 is provided with a third discharge hole 44, and the first discharge hole 33 and the second discharge hole 43 are respectively connected with a first airing plate 81 and a second airing plate 82 through guide plates 7.

The grain falls into the shell 1 through the funnel 2 by means of self gravity, after being shunted by the groove 31, the crop grain conforming to the first leak hole 311 on the first sieve plate 3 falls into the first drainage plate 32, flows out of the first discharge hole 33 to the drying plate through the first drainage plate 32 for drying, and when the residual crop grain passes through the second sieve plate 4, the crop grain conforming to the second leak hole 41 falls into the second drainage plate 42, flows out of the second discharge hole 43 to the drying plate through the second drainage plate 42 for drying. After the grains are screened by the first screen plate 3, the screened grains fall on the first drainage plate 32, then flow out from the first discharge hole 33, then flow to the first airing plate 81 for airing through the guide plate 7, the grains screened by the second screen plate 4 flow to the second airing plate 82 for airing through the guide plate 7, the airing time of the grains with different sizes can be better controlled by guiding the screened grains to different airing plates for airing, the problems that the airing time of the grains with different sizes is insufficient, the airing of the grains with small sizes is excessive when the grains with large sizes are avoided, the residual grains with larger sizes or the impurities with larger sizes flow out from the third discharge hole 44, the grains with larger sizes are screened before the airing of the grains to ensure the airing quality of the crops, the later storage or processing of the grains with the crops are facilitated, the vibrator 5 is arranged at the top of the shell 1, the device can be driven to vibrate, the vibration of the screen plate can increase the contact screen holes with the grains of the crops, and the screening efficiency and the speed are improved.

In one embodiment of the present utility model, as shown in fig. 3, the side wall of the housing 1 is connected to an exhaust fan 6, and the exhaust fan 6 is connected to a filter cloth bag 61.

When a large number of grains fall into the inner cavity of the shell 1 through the hopper 2, the grains collide with each other to excite a lot of dust, the dust mainly comprises fine dust mixed in the grains and dry crop dust, and the exhaust fan 6 is communicated with the side wall of the shell 1 and is used for sucking out the dust floating in the cavity of the shell 1. If dust is directly pumped out to the outside through the exhaust fan 6, dust pollution is caused, and therefore, the outlet of the exhaust fan 6 is connected with the filter cloth bag 61, so that the particulate dust pumped out from the cavity of the shell 1 by the exhaust fan 6 is filtered. Further, the exhaust fan 6 is started to pump the gas in the cavity of the shell 1 into the filter cloth bag 61, the gas can pass through the filter cloth bag 61, and dust impurities mixed in the gas remain in the filter cloth bag 61, so that dust impurities contained in grains are reduced, and the grain quality is improved.

In one embodiment of the present utility model, as shown in fig. 2, the two sides of the groove 31 are provided with elongated magnets 312.

Modern agricultural multipurpose machinery reaps crops, the in-process that crops grain and mechanical equipment contacted probably has a small amount of metal piece to mix in the grain, mechanical connecting parts such as iron nail nut drop in the grain also can appear sometimes, the manual work sometimes hardly discovers, set up rectangular magnet 312 in the both sides of recess 31, the in-process that the grain drops along recess 31, doped metal piece can be adsorbed on recess 31 both sides set up rectangular magnet 312 in the grain, on the one hand can get rid of doped metal piece in the grain, on the other hand, rectangular magnet 312 sets up in the both sides of recess 31, can avoid the leak hole in the adsorbed metal piece jam recess 31, influence the screening process of grain.

In one embodiment of the present utility model, as shown in fig. 1, a recovery tank 45 is disposed below the third discharge port 44.

The grains which have the oversized diameter and do not pass through the sieve plate can be recycled by being collected in the recycling groove 45 below the third discharge hole 44 after flowing out through the third discharge hole 44. Further, because a large amount of grains pass through the screening of the first screen plate 3 and the second screen plate 4, insufficient screening can occur, and grains collected in the recovery tank 45 need to be put into the funnel 2 again to enter the cavity of the shell 1 for secondary screening and filtering, so that screening errors are reduced.

In one embodiment of the present utility model, as shown in fig. 1 and 4, a rotating block 9 is installed at the center of the first and second airing plates 81 and 82, the rotating block 9 is connected to a motor, and a toothed plate 91 is connected to the rotating block 9.

The rotating block 9 is connected with the motor output end, can set for the motor to drive the rotating block 9 and slowly rotate, fixedly connected with pinion rack 91 on the rotating block 9, the rotating block 9 drives pinion rack 91 to rotate on first sunning board 81, second sunning board 82, on the one hand pivoted pinion rack 91 can play the effect of turning over to the grain of sunning, make the grain sunning in-process heated evenly again, be of value to promoting sunning quality, on the other hand pivoted pinion rack 91 drives birds and steals, prevent birds feather, excrement and urine doping and go into in the grain, preferably mountable bee calling organ on pinion rack 91 in order to improve and drive the effect.

In one embodiment of the present utility model, as shown in fig. 4, the bottoms of the first and second airing plates 81 and 82 are connected with a telescopic support rod 10.

The bottom of the first and second airing plates 81 and 82 is connected with a plurality of telescopic support rods 10 for supporting the airing plates without overturning, the telescopic support rods 10 can be adjusted in height, and the influence on the airing effect due to interference shielding of the first and second airing plates 81 and 82 due to the change of sunlight irradiation angles in different airing positions can be avoided.

In one embodiment of the present utility model, as shown in fig. 3, a cavity 11 is disposed at the bottom of the housing 1, and a balancing weight is disposed in the cavity.

In actual use, the inside of the shell 1 is mostly lower in plate structure dead weight, after the vibrator 5 is possibly opened, the whole device is excessively large in vibration amplitude along with the vibrator 5, and the whole device can deviate or topple, so that the balancing weight can be placed at the cavity 11 at the bottom of the shell 1, the stability of the whole device is improved, and the balancing weight is preferably a cast iron block or a water tank.

In the practical use process, the utility model is applicable to screening control of corn kernels, the diameter of the corn kernels is generally 5-10mm, the corn kernels can be set to be small corn kernels with the diameter smaller than 6mm, medium corn with the diameter larger than 6mm and smaller than 9mm, large corn with the diameter larger than 9mm is used, the vibrator 5 is started in the use process of the device, the vibrator 5 drives each part of the device to vibrate, the first leak hole 311 on the first sieve plate 3 is set to be 6mm, the second leak hole on the second sieve plate 4 is set to be 9mm, the corn kernels are poured into the hopper 2, the corn kernels fall to the first sieve plate 3 through self gravity, a large amount of corn kernels fall to collide with each other to fly dust, the dust is pumped to the filter cloth bag 61 through the exhaust fan 6 communicated with the side wall of the shell 1, the corn kernels fall on the first drain plate 32 with the diameter larger than 9mm, the corn kernels flow out from the first discharge port 33, flow to the first sieve plate 81 through the guide plate 7, the corn kernels do not flow to the second sieve plate 4 through the second drain hole 43, and the corn kernels do not flow to the second sieve plate 4, and the corn kernels are not flow to the second sieve plate 4 through the drain hole 4, and the filter cloth 4 is not flow to the filter cloth. The method can better control the airing time of grains with different sizes, and avoid the problems of insufficient airing time of the grains with different sizes and excessive airing of the grains with different sizes when the grains with different sizes are mixed. The rotary blocks 9 are respectively arranged on the first drying plate 81 and the second drying plate 82, the rotary blocks 9 are connected with the motor output shaft, the rotary blocks 9 drive the toothed plates 91 to rotate, the rotary toothed plates 91 can push and spread corn kernels piled on the drying plates, the corn kernels can be turned over to promote uniform drying, the sizes of the sieved corn kernels on the drying plates are uniform, and the drying time of the corn kernels with different sizes is controlled, so that the drying quality is improved.

Furthermore, the corn grain size is screened so as to be convenient for classifying the corn grains, the corn grains are divided into different size grades according to the size range of the corn grains, the corn grains in the same grade are uniform and tidy in shape, the corn grains can be packaged and sold according to the size grade, and the later-stage accurate sowing can be realized.

The yield effect of the corn seed grading sowing is extremely remarkable, and the sowing of large grains through mechanical selection or artificial grain selection is an effective way for improving the growth uniformity of corn, optimizing the plant characters and ensuring the population quality; the yield increase rates of the final large seed and the medium seed are respectively 11.14 percent and 5.44 percent compared with the mixed seed, and the yield increase rates are respectively 22.28 percent and 16.02 percent compared with the small seed. Referring to data sources, corn seeds grading and carefully selecting effect were first discovered [ J ]. Henan university of science and technology report: agronomic edition, 2004,24 (1): 57-59, and research on the relationship between the grading sowing of corn seeds, yield and quality.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will appreciate that; the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (7)

1. The utility model provides a crops screening drying device, its characterized in that, includes shell (1), shell (1) top is provided with funnel (2), funnel (2) below is provided with first sieve (3), first sieve (3) one end is connected with shell (1) inner wall slope, be provided with a plurality of recesses (31) on first sieve (3), a plurality of first leak (311) have been seted up in recess (31), first sieve (3) below is provided with first drainage plate (32), first drainage plate (32) are connected with first discharge gate (33);

one end of the first sieve plate (3) is connected with a second sieve plate (4) which is obliquely arranged, a plurality of second leak holes (41) are formed in the second sieve plate (4), a second drainage plate (42) is arranged below the second sieve plate (4), and the second drainage plate (42) is connected with a second discharge hole (43);

the novel drying device is characterized in that a vibrator (5) is arranged at the top of the shell (1), a third discharge hole (44) is formed in one end of the second sieve plate (4), and the first discharge hole (33) and the second discharge hole (43) are connected with a first drying plate (81) and a second drying plate (82) through guide plates (7) respectively.

2. The crop screening and airing device according to claim 1, characterized in that an exhaust fan (6) is communicated with the side wall of the housing (1), and the exhaust fan (6) is connected with a filter cloth bag (61).

3. Crop screening and airing device according to claim 1, characterized in that the recess (31) is provided with elongated magnets (312) on both sides.

4. Crop screening and airing device according to claim 1, characterized in that a recovery tank (45) is arranged below the third discharge opening (44).

5. Crop screening and airing device according to claim 1, characterized in that a turning block (9) is mounted in the center of the first and second airing plates (81, 82), the turning block (9) is connected with a motor, and a toothed plate (91) is connected to the turning block (9).

6. The crop screening and airing device according to claim 5, wherein the bottoms of the first airing plate (81) and the second airing plate (82) are connected with a telescopic supporting rod (10).

7. A crop screening and airing device according to any of claims 1-6, characterized in that the bottom of the housing (1) is provided with a cavity (11) in which a balancing weight is placed.