Grain sample screening device
By designing a grain sample sieving device, a rotating drum and suction pipe are used to separate light impurities. Combined with components such as sieve plates and magnetic rods, the problem of light impurities affecting the accuracy of detection is solved, and higher accuracy of detection data is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-16
- Publication Date
- 2026-03-27
AI Technical Summary
The presence of light impurities in grain samples, such as barnyard grass, wheat fuzz, wheat bran, corn fuzz, corn husk, and dust, can affect the accuracy of the test results.
A grain sample sieving device was designed. The device uses a turntable to drive the rotating rod and drum to rotate, so that light impurities are separated from the grain. The light impurities are sucked out by the suction pipe and the exhaust fan. The device combines components such as sieve plate, magnetic rod and paddle to perform multi-layer sieving and impurity removal.
It improves the accuracy of grain testing data, avoids interference from light impurities, and enhances the reliability of test results.
Smart Images
Figure CN224051744U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the agricultural grain detection technical field, concretely relates to a grain sample screening device. BACKGROUND
[0002] Grain is an important part of people's daily diet, and its quality is directly related to people's health. By detecting grain samples, harmful substances such as pollutants, toxins and pathogens can be detected in time to prevent these harmful substances from entering the food chain and thus ensure food safety
[0003] The problem encountered in actual detection is that various light impurities such as barnyard grass, wheat hair, wheat skin, corn hair, corn skin and dust are usually present in grain samples, which affects the detection value. For example, light impurities may contain different proteins, fibers, fats, alkaloids and other substances, which will affect the accuracy of grain data detection results. UTILITY MODEL CONTENT
[0004] The application provides a grain sample screening device that can separate and screen impurities present in grain detection samples to improve the accuracy of grain detection data.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A grain sample screening device, comprising a bottom plate, a support plate is arranged on the side of the bottom plate, a driving table is arranged on the upper end face of the bottom plate, the driving table is in transmission connection with a rotating disc, the end face of the rotating disc is connected with one end of a rotating rod, the other end of the rotating rod is connected with the bottom end of a roller, the roller is arranged in an inclined manner, an air suction pipe is arranged on one side of the roller, the air suction end of the air suction pipe extends into the roller, an air suction hole is arranged on the outer wall of the bottom end of the extending end of the air suction pipe in the roller, the side wall of the air suction pipe is connected with the end face of the support plate, an air extractor is arranged at the air outlet of the air suction pipe, a support column is connected with the upper end face of the bottom plate, an inlet hopper is arranged on the upper part of the support column, a discharge pipe is arranged at the bottom of the inlet hopper, and the discharge pipe extends into the roller.
[0007] In one embodiment of the application, the side wall of the rotating rod is connected with one end of a fixed rod, and the other end of the fixed rod is connected with the outer wall of the roller.
[0008] In one embodiment of the application, a sieve plate is arranged in the inlet hopper.
[0009] In one embodiment of the application, a material collecting cavity is arranged at the lower part of the sieve plate.
[0010] In one embodiment of the application, a magnetic rod is arranged on one side of the sieve plate.
[0011] In one embodiment of the present application, the inner wall of the roller is provided with a paddle.
[0012] In one embodiment of the present application, the exhaust fan is connected with the air suction pipe through a filter cavity, and a filter cloth bag is arranged in the filter cavity.
[0013] In summary, the technical scheme provided by the present application has the following beneficial technical effects: the present application drives the rotating rod through the rotating disc, and then drives the roller to rotate, and the rotation of the roller drives the turning of the grain sample placed in the roller. In the process of turning of the grain sample, the light impurities in the grain will be separated from the grain due to the mass difference between the light impurities and the grain, and the light impurities will float. The air suction pipe absorbs the floating light impurities, so that the light impurities are separated from the grain, to avoid the interference of the light impurities on the later detection of the grain, and to improve the accuracy of the grain detection data. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0015] Figure 1 The three-dimensional structure schematic diagram of the grain sample screening device provided by one embodiment of the present application is shown in the figure.
[0016] Figure 2 The cross-sectional structure schematic diagram of the roller of the grain sample screening device provided by one embodiment of the present application is shown in the figure.
[0017] Figure 3 The cross-sectional structure schematic diagram of the feeding hopper of the grain sample screening device provided by one embodiment of the present application is shown in the figure.
[0018] Figure 4 The side view three-dimensional structure schematic diagram of the grain sample screening device provided by one embodiment of the present application is shown in the figure.
[0019] In the figure: bottom plate 1, support plate 11, driving table 12, rotating disc 121, rotating rod 122, fixed rod 123, roller 2, paddle 21, air suction pipe 3, air suction hole 31, exhaust fan 32, support column 4, feeding hopper 41, discharge pipe 42, sieve plate 43, material collecting cavity 44, magnetic rod 45, filter cavity 5, filter cloth bag 51. DETAILED DESCRIPTION
[0020] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.
[0021] It should be noted that in the description of the present application, the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0022] In the present application, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection; it can be direct connection, or indirect connection through intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.
[0023] In the embodiments of the present application, the words "exemplary" or "for example" are used to mean serving as an example, instance, or illustration. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or advantageous than other embodiments or design solutions. Rather, the use of the words "exemplary" or "for example" is intended to present relevant concepts in a specific way.
[0024] The embodiment provides a grain sample screening device, refer to Figures 1-4As shown, including the base plate 1, the side of the base plate 1 is provided with a support plate 11, the upper end surface of the base plate 1 is provided with a driving table 12, the driving table 12 is in transmission connection with a rotating disc 121, the end surface of the rotating disc 121 is connected with one end of a rotating rod 122, the other end of the rotating rod 122 is connected with the bottom end of a roller 2, the roller 2 is arranged in an inclined manner, one side of the roller 2 is provided with an air suction pipe 3, the air suction end of the air suction pipe 3 extends into the roller 2, the outer wall bottom end of the air suction pipe 3 at the extending end in the roller 2 is provided with an air suction hole 31, the side wall of the air suction pipe 3 is connected with the end surface of the support plate 11, the air exhaust port of the air suction pipe 3 is provided with an air suction fan 32, the upper end surface of the base plate 1 is connected with a support column 4, the upper part of the support column 4 is provided with a feeding hopper 41, the bottom of the feeding hopper 41 is provided with a discharging pipe 42, the discharging pipe 42 extends into the roller 2.
[0025] In the above embodiment, the upper end surface of the base plate 1 is provided with a driving table 12, the driving table 12 is built-in with a motor and is in transmission connection with a rotating disc 121, that is, the driving table 12 can drive the rotating disc 121 to rotate, the end surface of the rotating disc 121 is connected with one end of a rotating rod 122, the other end of the rotating rod 122 is connected with the bottom end of a roller 2, and the roller 2 is arranged in an inclined manner with an angle to the horizontal plane, the roller 2 is used to place the grain samples to be screened, one side of the roller 2 is provided with an air suction pipe 3, and the air suction end of the air suction pipe 3 extends into the roller 2, that is, the rotating disc 121 drives the rotating rod 122 to rotate, and in turn drives the roller 2 to rotate, the roller 2 drives the grain samples placed in the roller 2 to tumble, in the process of tumbling of the grain samples, the light impurities in the grain and the grain have a mass difference, and the light impurities will separate when tumbling, and the light impurities will float, at this time, the air suction pipe 3 absorbs the floating light impurities, so that the light impurities are separated from the grain, to avoid the interference of the light impurities on the later detection of the grain, to improve the accuracy of the grain detection data. Further, the extending end of the air suction pipe 3 in the roller 2 is uniformly provided with a plurality of air suction holes 31 at the outer wall bottom end, to improve the sufficient absorption of the light impurities floating in the roller 2 by the air suction pipe 3, for example, Figure 2 For example, the extending end of the air suction pipe 3 in the roller 2 maintains the same inclination angle with the roller 2, and the extending end of the air suction pipe 3 is arranged in the upper space in the roller 2, the grain is subjected to the action of gravity and tumbles at the bottom end of the roller 2, the air suction pipe 3 needs to adjust the suction force according to the size of the grain when working, to avoid that the grain is sucked into the air suction pipe 3 due to too large suction force (the suction force generated by the air suction pipe only needs to suck the light impurities floating up into the pipe), in addition, the extending end of the air suction pipe 3 in the roller 2 is arranged in an inclined manner, so that the grain is not easy to be sucked into the air suction pipe 3 compared with the light impurities under the action of gravity, for example, Figure 2If some individual grains roll into the suction pipe 3, the grains will fall back into the drum 2 along the end surface opening of the low end of the inclined suction pipe 3 under the action of their own gravity, and the grains will roll and gather away from the suction pipe 3 at the inclined bottom end of the drum 2, so that the suction pipe 3 can not suck the grains into the suction pipe 3, and the plurality of suction holes 31 arranged on the suction pipe 3 can prevent the light impurities mixed in the grains from floating out of the drum 2 to cause air pollution. In addition, the side wall of the suction pipe 3 is connected to the end surface of the support plate 11, and the support plate 11 supports the pipe body of the suction pipe 3 to improve the stability of the suction pipe 3 during operation. The suction pipe 3 is provided with an exhaust fan 32 at the exhaust port, which is used to exhaust the gas in the suction pipe 3 to cause negative pressure in the suction pipe 3 and generate suction force. The support column 4 is connected to the upper end surface of the bottom plate 1, and the inlet hopper 41 is arranged on the upper part of the support column 4. The discharge pipe 42 is arranged at the bottom of the inlet hopper 41 and extends into the drum 2, which is used to discharge the grains in the inlet hopper 41 into the drum 2.
[0026] In one embodiment of the present application, referring to Figure 3 As shown, the side wall of the rotating rod 122 is connected to one end of the fixed rod 123, and the other end of the fixed rod 123 is connected to the outer wall of the drum 2.
[0027] In the above embodiment, the outer wall of the drum 2 is connected to the outer wall of the rotating rod 122 through the fixed rod 123, which increases the connection points between the rotating rod 122 and the drum 2, and the fixed rod 123 supports the drum 2, which is beneficial to improve the stability of the drum 2 during rotation.
[0028] In one embodiment of the present application, referring to Figure 3 As shown, the inlet hopper 41 is provided with a sieve plate 43.
[0029] In the above embodiment, the sieve plate 43 is used to preliminarily screen the grain samples put into the inlet hopper 41, separate the small particle impurities in the grain samples from the grain samples, reduce the impurity content in the grain samples, and avoid interference caused by impurities during detection of the grain samples, which is beneficial to improve the accuracy of grain sample data monitoring.
[0030] In one embodiment of the present application, referring to Figure 3 As shown, the sieve plate 43 is provided with a material collecting cavity 44 at the lower part.
[0031] In the above embodiment, the collecting cavity 44 at the lower part of the sieve plate 43 is used to collect the small particle impurities in the grain sample that passes through the sieve plate 43. On the one hand, the collecting cavity 44 can separate the small particle impurities from the grain sample, and on the other hand, the collecting cavity 44 collects the small particle impurities, which facilitates the sampling inspection of the small particle impurities by the detection personnel, records the data, and is beneficial to improve the comprehensiveness of the grain sample detection.
[0032] In an embodiment of the present application, referring to Figure 3 As shown in the figure, one side of the sieve plate 43 is provided with a magnetic bar 45.
[0033] In the above embodiment, the iron particles on the agricultural machine will be mixed in the grain sample during the harvesting of the grain by the agricultural machine. For example, the iron particles will affect the ion element inspection in the grain. The magnetic bar 45 has an adsorption effect on the iron particles, which is used to separate the mixed iron particles in the grain sample, and is beneficial to improve the accuracy of the grain sample detection data. In addition, the detection personnel can analyze the iron particles adsorbed and collected on the magnetic bar 45, trace the source of the iron particles, eliminate the hidden danger of mixing the iron particle impurities, and improve the quality of the grain.
[0034] In an embodiment of the present application, referring to Figure 2 As shown in the figure, the inner wall of the roller 2 is provided with a paddle 21.
[0035] In the above embodiment, the paddle 21 can be driven by the rotation of the roller 2 to stir the grain in the roller 2, which can increase the stirring amplitude of the grain in the roller 2, and is beneficial to improve the separation effect of the light impurities in the grain.
[0036] In an embodiment of the present application, referring to Figure 4 As shown in the figure, the air extractor 32 is connected with the air suction pipe 3 through the filter cavity 5, and the filter cavity 5 is provided with a filter cloth bag 51.
[0037] In the above embodiment, the filter cloth bag 51 is arranged in the filter cavity 5 to retain the light impurities sucked into the air suction pipe 3 in the filter cavity 5. On the one hand, it prevents the impurities from entering the air extractor 32 and causing the failure of the air extractor 32, and on the other hand, it prevents the impurities from being directly discharged to the outside and causing air pollution.
[0038] In the actual use of the application: the grain sample is put into the hopper 41 and subjected to preliminary screening through the hopper 41, and the grain sample enters the roller 2 through the discharge pipe 42 extending into the roller 2, the driving table 12 is provided with a motor and is in transmission connection with the rotating disc 121, the rotating disc 121 drives the rotating rod 122 to drive the roller 2 to rotate, the rotation of the roller 2 drives the grain sample placed in the roller 2 to tumble, in the process of tumbling of the grain sample, due to the mass difference between the light impurities in the grain and the grain, the light impurities will float and be separated from the grain.
[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that; it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.
Claims
1. A grain sample screening apparatus, characterized by, The utility model provides a kind of material screening device, including bottom plate (1), the bottom plate (1) side is provided with support plate (11), the bottom plate (1) upper end surface is provided with driving table (12), the driving table (12) is drivingly connected with rotary disc (121), the end surface of rotary disc (121) is connected with one end of rotating rod (122), the other end of rotating rod (122) is connected with the bottom surface end of roller (2), the roller (2) is arranged in inclined shape, the roller (2) one side is provided with suction pipe (3), the suction end of suction pipe (3) is inserted into roller (2), suction pipe (3) is provided with suction hole (31) in the outer wall bottom end of the inserted end in roller (2), the side wall of suction pipe (3) is connected with the end surface of support plate (11), suction pipe (3) is provided with suction fan (32) at exhaust port, the upper end surface of bottom plate (1) is connected with support column (4), support column (4) upper portion is provided with inlet hopper (41), inlet hopper (41) bottom is provided with discharge pipe (42), discharge pipe (42) is inserted into roller (2).
2. The grain sample screening apparatus of claim 1, wherein, The side wall of the rotating rod (122) is connected with one end of the fixed rod (123), and the other end of the fixed rod (123) is connected with the outer ring wall of the roller (2).
3. The grain sample screening apparatus of claim 1, wherein, The sieve plate (43) is arranged in the inlet hopper (41).
4. The grain sample screening apparatus of claim 3, wherein, The sieve plate (43) is provided with a material collecting cavity (44) at the lower part.
5. The grain sample screening apparatus of claim 4, wherein, The sieve plate (43) is provided with a magnetic rod (45) at one side.
6. The grain sample screening apparatus of claim 1, wherein, The inner wall of the roller (2) is provided with a push piece (21).
7. The grain sample screening apparatus of any one of claims 1-6, wherein, The suction fan (32) is connected with the suction pipe (3) through a filter cavity (5), and the filter cavity (5) is provided with a filter bag (51).