Grain sampling and distributing device

Abstract

The utility model discloses a grain sampling and distributing device, which belongs to the technical field of grain sampling and comprises a transmission component. The material distributing trolley is arranged on the conveying assembly and can move along the conveying assembly; a first material distributing hopper is arranged above the material distributing trolley, and a second material distributing hopper is arranged below the material distributing trolley; the first material distributing hopper receives the grain samples subjected to impurity removal and quantitatively discharges materials to the second material distributing hopper, and the second material distributing hopper moves to the position of the specified parameter detection device along the conveying assembly and distributes the grain samples to the specified parameter detection device according to the specified quantity. According to the utility model, the first distributing hopper and the second distributing hopper are used for quantitatively discharging twice, so that the discharging error caused by opening and closing of the discharging hole can be reduced, and accurate material distribution for different detection devices is ensured.

Description

Technical Field

[0001] This utility model relates to the field of grain sampling technology, specifically to a grain sampling and dispensing device. Background Technology

[0002] Grain sampling refers to the process of extracting representative samples from bulk grains according to certain standards and methods during grain storage and circulation for quality inspection. The purpose of sampling is to ensure that the test results accurately reflect the overall quality of the grain, thereby providing a basis for grain security management.

[0003] In the prior art, Chinese patent document CN222599251U discloses a grain sampling and testing system, including a testing chamber with multiple testing devices for detecting different types of grains inside. The testing devices include an imperfect testing device, an infrared device, and a bulk density meter. A material distribution track is erected between the various testing devices, and a material distribution mechanism moves along the track to distribute the grains.

[0004] In the aforementioned patent literature, a dispensing mechanism moves along a track to dispense grains to different testing devices. However, the required sample volume varies for different testing devices, sometimes significantly. For example, an incomplete test might require approximately 50g, while a moisture and bulk density test might require approximately 500g. When faced with significantly different sample volumes required by different testing devices, this dispensing mechanism may introduce dispensing errors, making it difficult to accurately dispense the required sample amounts for each device, leading to inaccurate test results. Utility Model Content

[0005] The purpose of this invention is to provide a grain sampling and dispensing device that solves the problem in the prior art that dispensing devices are unable to accurately dispense the sample amounts required by different testing devices.

[0006] To achieve the above objectives, this utility model provides a grain sampling and dispensing device, including...

[0007] Transmission components;

[0008] The material sorting cart is mounted on the conveying assembly and can move along the conveying assembly;

[0009] The material distribution vehicle is equipped with a first material distribution hopper above and a second material distribution hopper below. The first material distribution hopper receives the grain sample after impurity removal and quantitatively discharges the grain sample to the second material distribution hopper. The second material distribution hopper moves along the transmission assembly to the position of the designated parameter detection device and distributes the grain sample to the designated parameter detection device in a specified amount.

[0010] Furthermore, the discharge port of the first material distribution hopper is connected to the inlet of the second material distribution hopper, and the discharge port of the first material distribution hopper is provided with a discharge component, which slows down the material distribution speed from the first material distribution hopper to the second material distribution hopper.

[0011] Furthermore, the feeding assembly includes a movable roller and a brush, with the bristles of the brush adhering to the roller surface of the movable roller; when the movable roller is stationary, it prevents the first feeding hopper from discharging material, and when the movable roller rotates, it cooperates with the brush to discharge material from the first feeding hopper.

[0012] Furthermore, the surface of the movable roller is provided with grooves, and the arrangement direction of the grooves intersects with the support direction of the bristles on the roller surface.

[0013] Furthermore, the first hopper is connected to a first weight monitoring device, and the second hopper is connected to a second weight monitoring device. The first weight monitoring device and the second weight monitoring device simultaneously monitor the weight of the first hopper and the second hopper, respectively.

[0014] Furthermore, the feed inlet of the first distribution hopper is provided with a stirring assembly, which includes a stirring shaft and stirring blades distributed on the stirring shaft, and the stirring shaft is rotatably connected to the side wall of the first distribution hopper.

[0015] Furthermore, the axial direction of the stirring shaft is arranged to intersect with the axial direction of the movable roller.

[0016] Furthermore, the discharge port of the second hopper is equipped with a discharge switch, which opens or closes the discharge port.

[0017] Furthermore, the material distribution vehicle is equipped with a drive component and a limiting component. The drive component drives the material distribution vehicle to move, and the limiting component restricts the material distribution vehicle from moving linearly along the transmission component.

[0018] Furthermore, the material distribution vehicle is equipped with a first support plate, and the limiting component includes two sets of limiting sliders installed on the bottom surface of the first support plate. The transmission component includes two parallel rails, and the two sets of limiting sliders are respectively locked onto the two rails. The driving component includes a drive motor, a drive gear, and a rack. The drive motor is installed on the bottom surface of the first support plate, and the drive gear is connected to the output shaft of the drive motor. The rack is fixedly installed on the inner side of the rails, and the drive gear meshes with the rack.

[0019] Compared with existing known technologies, the technical solution provided by this utility model has the following beneficial effects:

[0020] This utility model discloses a grain sampling and dispensing device. The device dispenses material in two stages, a first dispensing hopper and a second dispensing hopper, to reduce dispensing errors caused by the opening and closing of the discharge port and solve the problem of accurately controlling the dispensing amount in a single dispensing action. The first dispensing hopper dispenses material slowly and precisely, adjusting to the appropriate amount. The second dispensing hopper can then recheck the weight. If the weight is correct, the second dispensing hopper dispenses the entire amount; if the weight is excessive, the second dispensing hopper dispenses a fixed amount, ensuring accurate dispensing for different testing devices.

[0021] It is obvious that the elements or features described in the above individual embodiments can be used alone or in combination in other embodiments. Attached Figure Description

[0022] The dimensions and scales in the accompanying drawings do not represent the actual dimensions and scales of the product. The drawings are for illustrative purposes only, and some non-essential elements or features have been omitted for clarity.

[0023] Figure 1 This is a schematic diagram of the material dispensing device in an embodiment of this utility model;

[0024] Figure 2 This is a schematic diagram of the material distribution vehicle in an embodiment of this utility model;

[0025] Figure 3 This is a structural schematic diagram of the material distribution vehicle from the front view in an embodiment of this utility model;

[0026] Figure 4 This is a schematic diagram of the discharge port direction of the first material hopper in this embodiment of the present invention;

[0027] Figure 5 This is a schematic diagram of the feed inlet direction of the first hopper in this embodiment of the present invention.

[0028] Explanation of reference numerals in the attached figures

[0029] 340. Transmission components;

[0030] 350. Material distribution cart; 351. First material distribution hopper; 352. Second material distribution hopper; 353. First weight monitoring device; 354. Second weight monitoring device; 355. Movable roller; 356. Brush; 357. Mixing assembly; 358. First support plate; 359. Second support plate;

[0031] 360. Drive assembly; 361. Drive gear; 362. Rack;

[0032] 370. Limiting components. Detailed Implementation

[0033] The present invention will now be described in detail with reference to the accompanying drawings. The embodiments described herein are merely preferred embodiments of the present invention. Those skilled in the art can conceive of other ways to implement the present invention based on the preferred embodiments, and such other ways also fall within the scope of the present invention.

[0034] Reference Figures 1-5 This embodiment provides a grain sampling and dispensing device, including a transmission assembly 340 and a dispensing cart 350. The dispensing cart 350 is mounted on the transmission assembly 340 and can move along the transmission assembly 340. A first dispensing hopper 351 is arranged above the dispensing cart 350, and a second dispensing hopper 352 is arranged below it. The first dispensing hopper 351 receives the purified grain sample and dispenses a quantitative amount of grain sample into the second dispensing hopper 352. The second dispensing hopper 352 moves along the transmission assembly 340 to the position of a designated parameter detection device and dispenses the grain sample into the designated parameter detection device in a specified amount. The two quantitative dispensing operations of the first dispensing hopper 351 and the second dispensing hopper 352 can reduce the dispensing error caused by the opening and closing of the discharge port and solve the problem of accurately controlling the dispensing amount in a single dispensing action. The first hopper 351 slowly and precisely dispenses material until the appropriate amount is reached. The second hopper 352 can then recheck the weight. If the weight is appropriate, the second hopper 352 dispenses all the material directly. If the weight is too high, the second hopper 352 can dispense a fixed amount of material, ensuring accurate material distribution to different testing devices.

[0035] Furthermore, such as Figure 4 and Figure 5 As shown, the discharge port of the first distributing hopper 351 is connected to the inlet of the second distributing hopper 352. The discharge port of the first distributing hopper 351 is equipped with a discharging component, which slows down the distributing speed from the first distributing hopper 351 to the second distributing hopper 352. A slower discharging speed is more conducive to improving the accuracy of quantitative discharging from the first distributing hopper 351 to the second distributing hopper 352. It is understood that in some embodiments, the discharging component is used to minimize the size of the discharge port of the first distributing hopper 351 to achieve slow discharging.

[0036] As a preferred embodiment of the feeding assembly, such as Figure 4 As shown, the feeding assembly includes a movable roller 355 and a brush 356, with the bristles of the brush 356 adhering to the roller surface of the movable roller 355. Before feeding, the movable roller 355 remains stationary, its roller surface blocking the feeding opening of the first dispensing hopper 351, preventing the sample from flowing out of the first dispensing hopper 351. During feeding, the movable roller 355 rotates, causing a portion of the sample on its roller surface to be directed towards the feeding opening of the first dispensing hopper 351. The bristles of the brush 356 sweep away excess sample, reducing the amount of sample falling per unit time, thus slowing down the feeding process. Due to the slow feeding speed, the feeding action can be controlled more precisely, thereby reducing feeding errors and improving feeding accuracy.

[0037] Specifically, the surface of the movable roller 355 is provided with grooves, the arrangement direction of which intersects with the support direction of the brush bristles on the roller surface. The brush bristles exert a certain supporting force on the roller surface, thereby sweeping away the grain sample outside the grooves and controlling the amount of sample discharged per unit time or per rotation of the movable roller 355.

[0038] Furthermore, in order to improve the accuracy of the quantitative feeding of the 350mm material distribution car, such as... Figure 3 As shown, a first weight monitoring device 353 is connected to a first distribution hopper 351, and a second weight monitoring device 354 is connected to a second distribution hopper 352. The first weight monitoring device 353 and the second weight monitoring device 354 simultaneously monitor the weight of the first distribution hopper 351 and the second distribution hopper 352, respectively. The measuring range of the first weight monitoring device 353 is greater than that of the second weight monitoring device 354; the smaller measuring range provides higher accuracy and is used to control the second-stage material discharge. It should be noted that the first weight monitoring device 353 and the second weight monitoring device 354 can be sensors, which are electrically connected to the control device. A discharge switch is provided at the discharge port of the second distribution hopper 352, which opens or closes the discharge port.

[0039] During the actual feeding process, the first dispensing hopper 351 feeds material into the second dispensing hopper 352. Once the weight data monitored by the second weight monitoring device 354 meets the required amount for testing, the feeding component of the first dispensing hopper 351 is stopped, and the feeding switch of the second dispensing hopper 352 is opened to place the sample into the first parameter detection device. After the data of the second weight monitoring device 354 returns to zero, the feeding is complete. The feeding switch is then closed, and the first parameter detection device begins analysis. Simultaneously, the dispensing cart 350 continues to operate, moving and controlling it to move to the next parameter detection device. After dispensing to each parameter detection device, the dispensing cart 350 is moved to the final position, and the feeding switch is opened. Once the data of the first weight monitoring device 353 returns to zero, the sample in the first dispensing hopper 351 is complete. The feeding component is then closed, and the dispensing cart 350 is moved back to its initial position.

[0040] It should be noted that, as Figure 5 As shown, the inlet of the first distributing hopper 351 is equipped with a stirring assembly 357. The stirring assembly 357 includes a stirring shaft and stirring blades distributed on the stirring shaft. The stirring shaft is rotatably connected to the side wall of the first distributing hopper 351. Driven by a stirring motor, the stirring shaft rotates, causing the stirring blades to rotate. The stirring blades agitate and stir the grain sample, preventing the grain sample from clumping in the first distributing hopper 351 and thus reducing the dispensing accuracy. The axial direction of the stirring shaft is intersected with the axial direction of the movable roller 355, and the rotation direction of the stirring blades is different from that of the movable roller 355, which is more conducive to the stirring blades fully dispersing the grain and improving the dispensing accuracy.

[0041] It is understandable that, such as Figure 1 As shown, the material distribution cart 350 is equipped with a drive assembly 360 and a limiting assembly 370. The drive assembly 360 drives the material distribution cart 350 to move, and the limiting assembly 370 restricts the material distribution cart 350 from moving linearly along the transmission assembly 340. The limiting assembly 370 ensures that the material distribution cart 350 does not deviate from the transmission assembly 340 during movement, which is beneficial for accurate material placement.

[0042] Preferably, the material distribution trolley 350 is equipped with a first support plate 358, and the limiting assembly 370 includes two sets of limiting sliders installed on the bottom surface of the first support plate 358. The transmission assembly 340 includes two parallel tracks, and the two sets of limiting sliders are respectively engaged on the two tracks. The parallel tracks provide space below the second material distribution hopper 352 for material to fall. The drive assembly 360 includes a drive motor, a drive gear 361, and a rack 362. The drive motor is installed on the bottom surface of the first support plate 358, and the drive gear 361 is connected to the output shaft of the drive motor. The rack 362 is fixedly installed on the inner side of the track, and the drive gear 361 meshes with the rack 362. The operation of the drive motor drives the drive gear 361 to rotate, thereby causing the first support plate 358 to move linearly on the rack 362 along with the drive gear 361. A second support plate 359 is installed above the first support plate 358, with a gap between them. The first hopper 351 is mounted on the second support plate 359, and the second hopper 352 is mounted on the first support plate 358. Both the first support plate 358 and the second support plate 359 are provided with channels for grain to fall.

[0043] In the description of this utility model, it should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] The scope of protection of this utility model is defined only by the claims. Thanks to the teachings of this utility model, those skilled in the art will readily recognize that alternative structures to the disclosed structure can be used as feasible alternative implementations, and that the disclosed implementations can be combined to produce new implementations, which also fall within the scope of the appended claims.

Claims

1. A grain sampling and distributing device, comprising a conveying assembly (340); a distributing trolley (350) arranged on the conveying assembly (340) and movable along the conveying assembly (340); characterized in that a first distributing hopper (351) arranged above the distributing trolley (350) and a second distributing hopper (352) arranged below the distributing trolley (350); the first distributing hopper (351) receives the grain sample after impurity removal and quantitatively distributes the grain sample to the second distributing hopper (352); the second distributing hopper (352) moves to the position of the designated parameter detection device along the conveying assembly (340) and distributes the grain sample to the designated parameter detection device according to the designated amount; the discharge port of the first distributing hopper (351) is communicated with the feeding port of the second distributing hopper (352); the discharge port of the first distributing hopper (351) is provided with a discharging assembly; the discharging assembly slows down the distribution speed of the first distributing hopper (351) to the second distributing hopper (352); the discharging assembly comprises a movable roller (355) and a brush (356); the bristles of the brush (356) are attached to the roller surface of the movable roller (355); when the movable roller (355) is stationary, the first distributing hopper (351) is prevented from discharging; when the movable roller (355) rotates, the first distributing hopper (351) is discharged in cooperation with the brush (356).

2. A grain sampling and distributing device according to claim 1, wherein, The roller surface of the movable roller (355) is provided with grooves; the arrangement direction of the grooves is crossed with the supporting direction of the bristles to the roller surface.

3. The grain sampling and distributing apparatus of claim 1, wherein The first distributing hopper (351) is connected with a first weight monitoring device (353) and the second distributing hopper (352) is connected with a second weight monitoring device (354); the first weight monitoring device (353) and the second weight monitoring device (354) monitor the weights of the first distributing hopper (351) and the second distributing hopper (352) respectively and simultaneously.

4. The grain sampling and distributing apparatus of claim 1, wherein The feeding port of the first distributing hopper (351) is provided with a stirring assembly (357); the stirring assembly (357) comprises a stirring shaft and stirring blades distributed on the stirring shaft; the stirring shaft is rotationally connected to the side wall of the first distributing hopper (351).

5. A grain sampling and distributing device according to claim 4, wherein, The axial direction of the stirring shaft is crossed with the axial direction of the movable roller (355).

6. The grain sampling and distributing apparatus of claim 1, wherein, The discharge port of the second distributing hopper (352) is provided with a discharging switch; the discharging switch opens or closes the discharge port.

7. The grain sampling and distributing apparatus of claim 1, wherein The distributing trolley (350) is provided with a driving assembly (360) and a limiting assembly (370); the driving assembly (360) drives the distributing trolley (350) to move; the limiting assembly (370) limits the linear movement of the distributing trolley (350) along the conveying assembly (340).

8. A grain sampling and distributing device according to claim 7, wherein, The distributing trolley (350) is provided with a first support plate (358), the limiting assembly (370) comprises two groups of limiting sliders which are installed on the bottom surface of the first support plate (358), the transmission assembly (340) comprises two parallel rails, and the two groups of limiting sliders are respectively clamped on the two rails; the driving assembly (360) comprises a driving motor, a driving gear (361) and a rack (362); the driving motor is installed on the bottom surface of the first support plate (358), the driving gear (361) is connected with the output shaft of the driving motor, the rack (362) is fixedly installed on the inner side of the rail, and the driving gear (361) is engaged with the rack (362).

Images