CN220154304U - Automatic inspection device for grain samples - Google Patents
Automatic inspection device for grain samples Download PDFInfo
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- CN220154304U CN220154304U CN202321478183.9U CN202321478183U CN220154304U CN 220154304 U CN220154304 U CN 220154304U CN 202321478183 U CN202321478183 U CN 202321478183U CN 220154304 U CN220154304 U CN 220154304U
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- weighing
- image recognition
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- linear reciprocating
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- 238000007689 inspection Methods 0.000 title claims abstract description 35
- 238000005303 weighing Methods 0.000 claims abstract description 68
- 239000012535 impurity Substances 0.000 claims abstract description 34
- 238000012216 screening Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims description 22
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 description 70
- 230000002950 deficient Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000012356 Product development Methods 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses an automatic inspection device for grain samples, which comprises: casing, controller, screening mechanism, screw feeding mechanism, weighing machine construct and image recognition mechanism, screening mechanism sets up in the casing and is located the below of hopper, screw feeding mechanism sets up in one side of screening mechanism, be provided with the weighing box that is located screw feeding mechanism front end below in the casing, weighing machine constructs including first weighing sensor, weighing layer board and first straight line reciprocating drive mechanism, be provided with the image recognition box that is located weighing box one side in the casing, the weighing box bottom extends to image recognition box one side, image recognition mechanism includes image recognition camera lens and activity blowing bottom plate. Through the mode, the grain sample automatic inspection device disclosed by the utility model screens large and small impurities through the screening mechanism, and the grains are quantitatively sent to the image recognition mechanism by utilizing the weighing mechanism, so that the inspection accuracy is improved.
Description
Technical Field
The utility model relates to the field of cereal sample inspection, in particular to an automatic cereal sample inspection device.
Background
The inspection of grain samples is an important part of evaluating grain quality, grain can be sampled manually, and grain samples are inspected manually or by a machine, wherein the inspection of imperfect grain and impurities is an important content of grain inspection.
Traditional inspection of defective grains and impurities is mainly done manually. Each grain is carefully observed manually, and various imperfect grains (such as mildewed, defective or germinated grains) and impurities (such as minerals and hulls) are classified and weighed according to experience to obtain respective ratios.
The manual inspection of grains is relatively heavy, and a 50 gram sample is often required to consume 20-30 minutes of inspection time of an inspector. In order to improve the inspection efficiency and reduce the labor intensity, the research and the product development of automatic grain inspection equipment are required to be carried out. The patent application number 202110598253.3 discloses a full-automatic inspection device for imperfect grains of grains, which detects imperfect grains by a visual detection technology, but cannot separate impurities, and the weight of a sample is difficult to control, so that the obtained data has low precision and needs to be improved.
Disclosure of Invention
The utility model mainly solves the technical problem of providing an automatic grain sample inspection device for separating impurities in grain samples and improving the inspection precision of the impurities and imperfect grains.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a grain sample automatic inspection device comprising: the automatic weighing machine comprises a shell, a controller, a screening mechanism, a spiral feeding mechanism, a weighing mechanism and an image recognition mechanism, wherein the hopper is arranged at the top of the shell, the screening mechanism is arranged in the shell and located below the hopper, the spiral feeding mechanism is arranged on one side of the screening mechanism, a weighing box located below the front end of the spiral feeding mechanism is arranged in the shell, the weighing mechanism comprises a first weighing sensor, a weighing supporting plate and a first linear reciprocating driving mechanism, the side of the weighing box is provided with a first slot corresponding to the weighing supporting plate, the weighing supporting plate horizontally extends to the weighing box through the first slot, the first linear reciprocating driving mechanism is arranged in the shell, the front end of the first linear reciprocating driving mechanism is provided with a first driving plate extending to the lower side of the weighing supporting plate, the first weighing sensor is connected with the controller for signal transmission, the side of the weighing box is provided with an image recognition box body, the bottom of the weighing box extends to one side of the image recognition box, the image recognition mechanism comprises a first image recognition bottom plate and a second linear reciprocating driving mechanism, the image recognition bottom plate is arranged on the side of the shell and can be connected with the image recognition bottom plate through a first linear reciprocating driving mechanism, and the image recognition bottom plate is arranged on the image recognition bottom plate, and the image recognition mechanism is connected with the image recognition bottom plate through a second linear driving mechanism, and the image recognition bottom plate is arranged on the side of the image recognition bottom plate.
In a preferred embodiment of the present utility model, a first light source located above the movable discharging bottom plate is disposed in the image recognition box, the first light source adopts an annular light band, the movable discharging bottom plate adopts a transparent or semitransparent plate, and a second light source is installed at the bottom or inside the movable discharging bottom plate.
In a preferred embodiment of the utility model, a first sieve plate and a second sieve plate are arranged in the sieving mechanism at intervals up and down, the diameter of the sieve holes on the first sieve plate is larger than that of the sieve holes on the second sieve plate, and the spiral feeding mechanism is arranged below the front end of the second sieve plate.
In a preferred embodiment of the utility model, a receiving hopper below the second screen plate is arranged in the casing, an impurity box is arranged in the casing, a guide chute extending to the upper part of the impurity box is arranged at the bottom of the receiving hopper, and a transfer chute below the front end of the first screen plate and extending to the guide chute at the bottom is arranged in the casing.
In a preferred embodiment of the present utility model, the front end of the first screen plate is located above the front end of the second screen plate, the first screen plate is parallel to the second screen plate, the front end of the first screen plate extends obliquely downwards, a first vibrator is arranged in the screening mechanism, and a second weighing sensor located below the impurity box is arranged in the casing.
In a preferred embodiment of the utility model, the bottom of the casing is provided with a grain collection box below the image recognition box.
In a preferred embodiment of the utility model, a second linear reciprocating drive mechanism pointing to the grain collection box is arranged in the machine shell, and a second drive plate extending to the lower part of the movable discharging bottom plate is arranged at the front end of the second linear reciprocating drive mechanism.
In a preferred embodiment of the present utility model, the first linear reciprocating driving mechanism and the second linear reciprocating driving mechanism adopt an air cylinder or an electric telescopic rod, and the controller is connected with the second linear reciprocating driving mechanism to perform telescopic control.
In a preferred embodiment of the present utility model, the second driving plate is provided with a second vibrator.
In a preferred embodiment of the utility model, guide frames are arranged in the machine shell and are positioned at two sides of the second driving plate.
The beneficial effects of the utility model are as follows: according to the grain sample automatic inspection device, large and small impurities are removed through the screening mechanism, grains are fed into the weighing mechanism through the spiral feeding mechanism, the grains are quantitatively fed into the image recognition mechanism through the weighing mechanism, the defective grains and residual impurities of the grains are recognized through the image recognition mechanism, the classified quantity of the defective grains can be counted, the projection area of each defective grain can be counted, the weight of each defective grain and the weight of the impurities obtained by subtracting the weight of the grains from the total weight of each batch can be calculated, the precision of defective grain and impurity inspection is improved, the degree of automation and the inspection efficiency are improved, and the labor cost is reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic view of a grain sample automatic inspection device according to a preferred embodiment of the present utility model;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is another angular cross-sectional view of FIG. 1;
FIG. 4 is a schematic view of the structure of FIG. 1 with the housing removed;
fig. 5 is a further angular cross-sectional view of fig. 1.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only 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 intended to be within the scope of the utility model.
Referring to fig. 1 to 5, an embodiment of the present utility model includes:
the grain sample automatic inspection device shown in fig. 1 includes: the machine comprises a machine shell 1, a controller, a screening mechanism 7, a spiral feeding mechanism 8, a weighing mechanism and an image recognition mechanism, wherein a hopper 6 is arranged at the top of the machine shell and is used for temporarily storing grain samples, and a cover plate 4 is arranged at the top of the hopper.
The screening mechanism 7 is arranged in the shell 1 and below the hopper 6 to screen grain samples, the spiral feeding mechanism 8 is arranged on one side of the screening mechanism 7, and the screened grain samples are fed into the spiral feeding mechanism 8 for automatic conveying and control.
In this embodiment, the screening mechanism 7 is provided with a first screen plate 14 and a second screen plate 15 at intervals up and down, the diameter of the screen holes on the first screen plate 14 is larger than that of the screen holes on the second screen plate 15, and impurities with large particle size in the grain sample are retained on the first screen plate 14, and impurities with small particle size and grains fall onto the second screen plate 15. A receiving hopper 16 positioned below the second sieve plate 15 is arranged in the machine shell 1, an impurity box 2 is arranged in the machine shell 1, a guide chute 13 extending to the upper part of the impurity box 2 is arranged at the bottom of the receiving hopper 16, and small-particle-size impurities on the second sieve plate 15 fall into the receiving hopper 16 downwards through sieve holes on the second sieve plate 15 and finally enter the impurity box 2.
As shown in fig. 4 and 3, the front end of the first screen plate 14 is located above the front end of the second screen plate 15, the length of the first screen plate 14 is large and forward convex, the first screen plate 14 is parallel to the second screen plate 15, the front end extends downward in an inclined manner, a transfer groove 19 located below the front end of the first screen plate 14 and extending to the guide groove 13 at the bottom is provided in the casing 1, and impurities with large particle diameters rolling on the first screen plate 14 are sent into the guide groove 13 through the transfer groove 19 and finally enter the impurity box 2 to concentrate the impurities. A second weighing sensor positioned below the impurity box 2 is arranged in the machine shell 1, so that impurity weighing is performed, and a signal is sent to the controller.
In order to ensure screening efficiency, a first vibrator 5 is arranged in the screening mechanism 7, and vibration of the first screening plate 14 and the second screening plate 15 is carried out during screening, so that vibration and rolling of grains and impurities on the first screening plate 14 and the second screening plate 15 are realized, and the retention problem is avoided. The spiral feeding mechanism 8 is arranged below the front end of the second sieve plate 15, a weighing box 9 positioned below the front end of the spiral feeding mechanism 8 is arranged in the machine shell 1, grains on the second sieve plate 15 roll down into the spiral feeding mechanism 8, and the grains are automatically fed to the weighing box 9 through the spiral feeding mechanism 8.
In this embodiment, the weighing mechanism comprises a first weighing sensor, a weighing pallet 10 and a first linear reciprocating driving mechanism 12, a first slot corresponding to the weighing pallet 10 is arranged on one side of the weighing box 9, the weighing pallet 10 horizontally extends into the weighing box 9 through the first slot, and grains fall onto the weighing pallet 10 when fed into the weighing box 9 through the spiral feeding mechanism 8.
The first linear reciprocating drive mechanism 12 is provided in the housing 1, and a first drive plate 11 extending to the lower side of the weighing pallet 10 is provided at the front end of the first linear reciprocating drive mechanism 12 to drive the weighing pallet 10. The first load cell is arranged between the first drive plate 11 and the weighing pallet 10, and performs weighing of the weighing pallet 10 and grains above it.
In the present embodiment, the controller is connected to the first linear reciprocating drive mechanism 12 to perform operation control. The first weighing sensor is connected with the controller for signal transmission, the controller is connected with the spiral feeding mechanism 8 for operation control, and after the grains on the weighing supporting plate 10 reach the preset weight, the controller pauses the operation of the spiral feeding mechanism 8, so that the weight accuracy of the grains in the weighing box 9 is ensured.
An image recognition box body 21 positioned at one side of the weighing box 9 is arranged in the machine shell 1, the bottom of the weighing box 9 extends to one side of the image recognition box body 21, the controller controls the first linear reciprocating driving mechanism 12 to shrink, the outward movement of the weighing supporting plate 10 is achieved, and grains weighed in the weighing box 9 can be automatically fed into the image recognition box body 21, so that the inspection of a subsequent image recognition mechanism is ensured.
The image recognition mechanism comprises an image recognition lens 22 and a movable discharging bottom plate 17, a second slot 25 corresponding to the movable discharging bottom plate 17 is arranged on one side of the image recognition box body 21, the movable discharging bottom plate 17 can extend into the image recognition box body 21 in an outward-moving mode through the second slot 25, and grains from the weighing box 9 are received through the movable discharging bottom plate 17.
The image recognition lens 22 is disposed above the image recognition box 21 and points downward to the movable discharging bottom plate 17, and is connected with the controller for signal transmission, in this embodiment, a first light source 26 located above the movable discharging bottom plate is disposed in the image recognition box 21, and as shown in fig. 5, the first light source 26 adopts a ring-shaped light band for light supplementing. The photographing of the grains on the movable discharging bottom plate 17 is performed by using the image recognition lens 22, and the imperfect grains and a small amount of residual impurities of the grains are automatically recognized. In addition, the movable discharging bottom plate 17 can be a transparent or semitransparent plate, and a second light source is arranged at the bottom or inside of the movable discharging bottom plate 17, so that the identification degree of grains on the movable discharging bottom plate 17 is increased.
The grain collecting box 3 positioned below the image recognition box body 21 is arranged at the bottom of the machine shell 1, when the movable discharging bottom plate 17 moves outwards, grains on the movable discharging bottom plate 17 are scraped into the grain collecting box 3, the impurity box 2 and the grain collecting box 3 adopt a drawer type structure, and the grain collecting box is convenient to take out, so that the convenience of weighing impurities independently is improved.
In this embodiment, the second linear reciprocating driving mechanism 18 pointing to the grain collecting box 3 is arranged in the casing 1, the second driving plate 24 extending to the lower part of the movable discharging bottom plate 17 is arranged at the front end of the second linear reciprocating driving mechanism 18, the second driving plate 24 is indirectly driven by the second linear reciprocating driving mechanism 18, and the guide frames 20 positioned at two sides of the second driving plate 24 are arranged in the casing 1, so that the stability of the horizontal movement of the second driving plate 24 is improved.
In order to ensure the recognition efficiency, the second driving plate 24 is provided with a second vibrator 23 for vibrating grains on the movable discharging bottom plate 17, so that the grains are spread on the movable discharging bottom plate 17 to form a layer, and the problem of vertical overlapping and shielding of the grains is avoided.
In addition, the first linear reciprocating driving mechanism 12 and the second linear reciprocating driving mechanism 18 can adopt an air cylinder or an electric telescopic rod at the same time, and are connected with the second linear reciprocating driving mechanism through a controller to carry out telescopic control, so that the automation level is improved.
In summary, the automatic inspection device for the grain samples can be used for inspecting imperfect grains and impurities of grain samples including wheat, rice, corn and the like, and can be used for completing the full-automatic inspection of the grain samples from the manual feeding, so that the quality ratio inspection of the imperfect grains and the impurities of the grain can be quickly completed, the labor intensity is reduced, the inspection efficiency is improved, the inspection accuracy is high, and the applicable grain range is wide.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Claims (10)
1. An automatic inspection device for grain samples, comprising: the automatic weighing machine comprises a shell, a controller, a screening mechanism, a spiral feeding mechanism, a weighing mechanism and an image recognition mechanism, wherein the hopper is arranged at the top of the shell, the screening mechanism is arranged in the shell and located below the hopper, the spiral feeding mechanism is arranged on one side of the screening mechanism, a weighing box located below the front end of the spiral feeding mechanism is arranged in the shell, the weighing mechanism comprises a first weighing sensor, a weighing supporting plate and a first linear reciprocating driving mechanism, the side of the weighing box is provided with a first slot corresponding to the weighing supporting plate, the weighing supporting plate horizontally extends to the weighing box through the first slot, the first linear reciprocating driving mechanism is arranged in the shell, the front end of the first linear reciprocating driving mechanism is provided with a first driving plate extending to the lower side of the weighing supporting plate, the first weighing sensor is connected with the controller for signal transmission, the side of the weighing box is provided with an image recognition box body, the bottom of the weighing box extends to one side of the image recognition box, the image recognition mechanism comprises a first image recognition bottom plate and a second linear reciprocating driving mechanism, the image recognition bottom plate is arranged on the side of the shell and can be connected with the image recognition bottom plate through a first linear reciprocating driving mechanism, and the image recognition bottom plate is arranged on the image recognition bottom plate, and the image recognition mechanism is connected with the image recognition bottom plate through a second linear driving mechanism, and the image recognition bottom plate is arranged on the side of the image recognition bottom plate.
2. The automatic grain sample inspection device of claim 1, wherein a first light source positioned above the movable discharging bottom plate is arranged in the image recognition box body, the first light source adopts an annular light belt, the movable discharging bottom plate adopts a transparent or semitransparent plate, and a second light source is arranged at the bottom or inside of the movable discharging bottom plate.
3. The automatic grain sample inspection device according to claim 1, wherein a first screen plate and a second screen plate are arranged in the screening mechanism at an upper-lower interval, the diameter of the screen holes on the first screen plate is larger than that of the screen holes on the second screen plate, and the spiral feeding mechanism is arranged below the front end of the second screen plate.
4. A grain sample automatic inspection device according to claim 3, wherein a receiving hopper is provided in the housing below the second screen plate, an impurity box is provided in the housing, a guide chute is provided at the bottom of the receiving hopper extending to above the impurity box, a transfer chute is provided in the housing below the front end of the first screen plate, and the bottom extends into the guide chute.
5. A grain sample automatic inspection device according to claim 3, wherein the front end of the first screen plate is located above the front end of the second screen plate, the first screen plate is parallel to the second screen plate, the front end of the first screen plate extends obliquely downwards, a first vibrator is arranged in the screening mechanism, and a second weighing sensor located below the impurity box is arranged in the casing.
6. The automated grain sample testing device of claim 1, wherein the bottom of the housing is provided with a grain collection box positioned below the image recognition housing.
7. The automatic grain sample testing device of claim 1, wherein a second linear reciprocating drive mechanism directed toward the grain collection box is provided in the housing, and a second drive plate extending below the movable discharge floor is provided at a front end of the second linear reciprocating drive mechanism.
8. The automated grain sample testing device of claim 7, wherein the first linear reciprocating drive mechanism and the second linear reciprocating drive mechanism are cylinders or electric telescopic rods, and the controller is connected to the second linear reciprocating drive mechanism for telescoping control.
9. The automated grain sample testing device of claim 7, wherein the second drive plate is provided with a second vibrator.
10. The automated grain sample testing device of claim 7, wherein the housing has guide frames disposed on opposite sides of the second drive plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478183.9U CN220154304U (en) | 2023-06-12 | 2023-06-12 | Automatic inspection device for grain samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321478183.9U CN220154304U (en) | 2023-06-12 | 2023-06-12 | Automatic inspection device for grain samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220154304U true CN220154304U (en) | 2023-12-08 |
Family
ID=89020412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321478183.9U Active CN220154304U (en) | 2023-06-12 | 2023-06-12 | Automatic inspection device for grain samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220154304U (en) |
-
2023
- 2023-06-12 CN CN202321478183.9U patent/CN220154304U/en active Active
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