Grouping assembly and sampling system for grain quality inspection

Abstract

The utility model discloses a grouping assembly and a sampling system for grain quality inspection in the field of grain detection equipment, the grouping assembly comprises an outer conical shell, an inner conical shell and a lower conical shell which are coaxially arranged, the inner conical shell is positioned in the outer conical shell, the lower conical shell is arranged below the outer conical shell, and the sampling system is arranged below the inner conical shell. A plurality of grain storage grids are formed between the outer cylindrical section of the upper conical shell and the inner cylindrical section of the inner conical shell through a plurality of partition plates which are evenly arranged at intervals, a plurality of gate valves are arranged between the outer conical shell and the lower conical shell, and bottom outlets of the grain storage grids are opened and closed through the gate valves. The sampling system comprises a grain collecting assembly, a grouping assembly, a weighing assembly and a grain discharging assembly which are sequentially arranged from top to bottom. The gate valves are arranged at the outlets of the bottoms of the grain storage grids, so that the grains can be uniformly divided into multiple parts and temporarily stored in the grain storage grids, then the grain storage grids are opened one by one according to actual requirements for discharging the grains, the sampling accuracy can be ensured, the sampling requirements of multiple grain samples are met, the sampling efficiency is improved, and the labor intensity is relieved.

Description

Technical Field

[0001] The utility model relates to the field of grain testing equipment, in particular to a shrinking component and a sampling system for grain quality inspection. Background Art

[0002] Grain sampling is an important inspection work before grain enters the warehouse. Generally, the sampling system is used to randomly select grain sampling points on the grain transport vehicle, and then the sampling rod is used to extract the grain. Some of the grain is sent to the laboratory, and finally various testing instruments are used to test the impurity content, degree of perfection, moisture content and other indicators of the grain, so as to determine whether the grain meets the requirements for entering the warehouse, and it can also provide guidance for the subsequent grain impurity screening.

[0003] When testing grain, two samples are usually tested, and then the average value is taken as the test result. At the same time, a third sample needs to be kept as a backup sample for re-testing, and the remaining samples need to be collected. The current sampling method is generally to manually take multiple samples one by one after the grain is extracted, which is inefficient and labor-intensive. Utility Model Content

[0004] In order to overcome the above-mentioned deficiencies of the existing division of labor and sampling, the technical problem to be solved by the utility model is to provide a reduction component and a sampling system for grain quality inspection which can improve the efficiency of grain separation.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The shrinking component for grain quality inspection comprises an outer cone shell, an inner cone shell and a lower cone shell which are coaxially arranged, the outer cone shell comprising an upper outer cone section and a lower outer cylindrical section, a feed port is provided at the top of the outer cone section, the inner cone shell is located inside the outer cone shell, comprising an upper inner cone section and a lower inner cylindrical section, a plurality of grain storage grids are formed between the outer cylindrical section and the inner cylindrical section by a plurality of partitions evenly spaced, the lower cone shell is an inverted cone structure with an open top and a discharge port at the bottom, the lower cone shell is arranged below the outer cone shell, a plurality of gate valves are provided between the outer cone shell and the lower cone shell, the gate valves switch the bottom outlet of the grain storage grid, and each gate valve corresponds to a grain storage grid.

[0007] Furthermore, a feed valve is provided at the feed inlet at the top of the outer cone shell.

[0008] Furthermore, a star valve is provided at the bottom outlet of the lower cone shell.

[0009] Furthermore, the number of the grain storage grids is 6-10.

[0010] Furthermore, a bending section that bends inwardly into an inverted cone structure is provided at the bottom of the outer cylindrical section of the outer cone shell.

[0011] The sampling system for grain quality inspection comprises a grain collecting component, a reducing component, a weighing component and a grain discharging component which are sequentially arranged on a bracket from top to bottom, wherein the reducing component is the reducing component for grain quality inspection mentioned above.

[0012] Furthermore, the grain collecting assembly includes a grain collecting tank and an air suction pipe and a feed pipe respectively located at the top and side of the grain collecting tank, the discharge port at the bottom of the grain collecting tank is connected to the feed port at the top of the outer cone shell, and a buffer pad is provided on the inner wall of the grain collecting tank.

[0013] Furthermore, an air inlet valve is provided on the air intake pipe, a filter is provided at one end of the air intake pipe located in the grain collecting tank, a vibrator is provided on the side wall of the grain collecting tank, and a high-pressure gas nozzle is provided on the top of the grain collecting tank.

[0014] Furthermore, the weighing assembly includes an outer cylinder and an inner cylinder located inside the outer cylinder, a weighing sensor is provided at the top of the outer cylinder, the top of the inner cylinder is hung on the weighing sensor, the top of the inner cylinder is connected to the bottom outlet of the lower cone shell through a connecting pipe, a grain release valve is provided at the bottom outlet of the inner cylinder, and a grain collecting hopper is provided at the bottom of the outer cylinder.

[0015] Furthermore, the grain discharge assembly includes a four-way pipe connected to the bottom outlet of the grain collecting hopper and grain delivery pipes respectively connected to the other three connecting ports of the four-way pipe, and each grain delivery pipe is provided with a control valve.

[0016] The beneficial effects of the utility model are as follows: the shrinking and dividing component of the present application arranges a plug valve at the bottom outlet of the grain storage grid, so that the grain can be evenly divided into multiple portions and temporarily stored in the grain storage grid, and then the grain storage grids are opened one by one to release the grain according to actual needs, thereby ensuring the accuracy of sampling; when the shrinking and dividing component is used for sampling, the sampling needs of multiple grain samples can be met, which is beneficial to improving sampling efficiency and reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the shrinking component of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the outer cone shell and the inner cone shell of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall structure of the sampling system of the utility model;

[0020] Figure 4 It is a cross-sectional view of the sampling system of the utility model.

[0021] Marked in the figure are, 1-grain collecting component, 2-reduction component, 3-weighing component, 4-grain discharging component, 5-bracket, 11-grain collecting tank, 12-intake pipe, 13-feeding pipe, 14-buffer pad, 15-intake valve, 16-filter, 17-vibrator, 18-high-pressure gas nozzle, 21-outer cone shell, 22-inner cone shell, 23-lower cone shell, 24-partition, 25-grain storage grid, 26-plug valve, 27-feeding valve, 28-star valve, 29-bending section, 31-outer cylinder, 32-inner cylinder, 33-weighing sensor, 34-connecting pipe, 35-grain discharge valve, 36-grain collecting hopper, 41-four-way pipe, 42-grain conveying pipe, 43-control valve, 211-outer cone section, 212-outer cylindrical section, 221-inner cone section, 222-inner cylindrical section. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] It should be noted that if there are directional indication terms in the present invention, such as up, down, left, right, front, and back directions and orientation terms, they are for the purpose of facilitating the description of the relative position relationship between components, and are not for the absolute position of the related components or the position relationship between components. They are only used to explain the relative position relationship and movement of the components in a certain posture. If the specific posture changes, the directional indication will also change accordingly. If there are terms related to quantity in the present invention, such as "multiple", "multiple", "several", etc., they specifically refer to two or more.

[0024] like Figure 1-4 As shown, the shrinking component for grain quality inspection of the utility model comprises an outer cone shell 21, an inner cone shell 22 and a lower cone shell 23 which are coaxially arranged, the outer cone shell 21 comprises an upper outer cone section 211 and a lower outer cylindrical section 212, a feed port is provided at the top of the outer cone section 211, the inner cone shell 22 is located in the outer cone shell 21, comprises an upper inner cone section 221 and a lower inner cylindrical section 222, a plurality of grain storage grids 25 are formed between the outer cylindrical section 212 and the inner cylindrical section 222 by a plurality of partitions 24 which are evenly spaced, the lower cone shell 23 is an inverted cone structure, with an open top and a discharge port provided at the bottom, the lower cone shell 23 is arranged below the outer cone shell 21, a plurality of gate valves are provided between the outer cone shell 21 and the lower cone shell 23, the gate valve 26 switches the bottom outlet of the grain storage grid 25, and each gate valve 26 corresponds to a grain storage grid 25.

[0025] The working process of the shrinking component is as follows: after the grain enters from the feed port at the top of the outer cone shell 21, it will be dispersed to the surroundings under the action of the inner cone section 221 of the inner cone shell 22. At this time, all the gate valves 26 are in a closed state, and the grain will be evenly stored in each grain storage grid 25. When sampling is needed later, a gate valve 26 is opened first, so that the grain in the corresponding grain storage grid 25 falls into the lower cone shell 23 and is discharged from the discharge port at the bottom. If the grain in one grain storage grid 25 is not enough, the second one is opened, and so on, until the grain sampling is completed.

[0026] For the reduction component 2, the present application also provides the following preferred solutions.

[0027] In order to conveniently control the amount of grain entering the reduction component 2 , a feed valve 27 is provided at the feed inlet at the top of the outer cone shell 21 .

[0028] During the sampling process, the start and stop of grain discharge can be controlled by controlling the gate valve 26, but the gate valve 26 is prone to crushing the grain during actual use. Therefore, a further solution is to set a star valve 28 at the bottom outlet of the lower cone shell 23, and use the star valve 28 to control grain unloading to reduce the crushing of grain.

[0029] The grain storage grids 25 can be set to 6-10, which can meet the requirements of grain reduction and sampling.

[0030] In order to make the structure compact and ensure that the gate valve 26 can completely block and exit the bottom outlet of the grain storage grid 25, a bending section 29 bent inwardly into an inverted cone structure can be provided at the bottom of the outer cylindrical section 212 of the outer cone shell 21. The bending section 29 can make the grain fall to the middle of the lower cone shell 23 during the grain release process to avoid popping out of the lower cone shell 23, and at the same time, it is conducive to reducing the bottom outlet of the grain storage grid 25, so that the front end of the gate valve 26 can be completely withdrawn without blocking the grain storage grid 25, thereby preventing grain from piling up in the grain storage grid 25.

[0031] like Figure 1 As shown, the sampling system for grain quality inspection of the utility model includes a grain collecting component 1, a shrinking component 2, a weighing component 3 and a grain discharging component 4 which are arranged on a bracket 5 from top to bottom, and the shrinking component 2 is the above-mentioned shrinking component for grain quality inspection.

[0032] The grain collecting assembly 1 includes a grain collecting tank 11 and an air suction pipe 12 and a feed pipe 13 respectively located at the top and side of the grain collecting tank 11. The discharge port at the bottom of the grain collecting tank 11 is connected to the feed port at the top of the outer cone shell 21. A buffer pad 14 is provided on the inner wall of the grain collecting tank 11. During the sampling process, the feed pipe 13 is connected to the sampling rod, and the air suction pipe 12 is used to suck air to suck the grain into the grain collecting tank 11. The buffer pad 14 is used to buffer the grain entering the grain collecting tank 11 to prevent the grain from directly hitting the inner wall of the grain collecting tank 11 and breaking. In order to control the suction force, an air intake valve 15 is provided on the air suction pipe 12. In order to prevent grain and dust from being sucked into the air suction pipe 12, a filter screen 16 is provided at one end of the air suction pipe 12 located in the grain collecting tank 11. In order to prevent grain from adhering to the grain collecting tank 11, a vibrator 17 is provided on the outer wall of the grain collecting tank 11. In addition, some dust will adhere to the grain collecting tank 11. Therefore, a high-pressure gas nozzle 18 is provided on the top of the grain collecting tank 11. The high-pressure gas nozzle 18 is connected to an external high-pressure gas source. After completing a sampling, the high-pressure gas nozzle 18 can be opened to clean the inner wall of the grain collecting tank 11.

[0033] For weighing components, such as Figure 3 , Figure 4 As shown, the weighing assembly 3 includes an outer cylinder 31 and an inner cylinder 32 located inside the outer cylinder 31. A weighing sensor 33 is provided at the top of the outer cylinder 31. The top of the inner cylinder 32 is hung on the weighing sensor 33. The top of the inner cylinder 32 is connected to the bottom outlet of the lower cone shell 23 through a connecting pipe 34. A grain discharge valve 35 is provided at the bottom outlet of the inner cylinder 32. A grain collecting hopper 36 is provided at the bottom of the outer cylinder 31. When weighing grain, the grain discharge valve 35 is closed first, and the grain enters the inner cylinder 32 from the bottom outlet of the lower cone shell 23 through the connecting pipe 34. When the weighing sensor 33 detects that the grain type meets the requirements, the gate valve 26 or the star valve 28 is closed, and then the grain discharge valve 35 is opened to send the grain into the grain collecting hopper 36 for temporary storage.

[0034] As for the grain discharge assembly 4, since the scheme of the present application mainly needs to weigh three samples, the grain discharge assembly 4 includes a four-way pipe 41 connected to the bottom outlet of the grain collecting hopper 36 and a grain delivery pipe 42 connected to the other three connecting ports of the four-way pipe 41, each of which is provided with a control valve 43, and each of which corresponds to one sample. The grain delivery pipe 42 can be connected to the high-pressure fan or the suction pipe 12 of the grain collecting assembly, so as to extract the grain in the grain collecting hopper 36 and complete the sampling operation.

Claims

1. A shrinking component for grain quality inspection, characterized in that: The invention comprises an outer cone shell (21), an inner cone shell (22) and a lower cone shell (23) which are coaxially arranged, wherein the outer cone shell (21) comprises an upper outer cone section (211) and a lower outer cylindrical section (212), and a feed port is arranged at the top of the outer cone section (211); the inner cone shell (22) is located inside the outer cone shell (21) and comprises an upper inner cone section (221) and a lower inner cylindrical section (222), and a space between the outer cylindrical section (212) and the inner cylindrical section (222) is provided. A plurality of grain storage grids (25) are formed by a plurality of partitions (24) arranged at even intervals. The lower cone shell (23) is an inverted cone structure with an open top and a discharge port at the bottom. The lower cone shell (23) is arranged below the outer cone shell (21). A plurality of gate valves are arranged between the outer cone shell (21) and the lower cone shell (23). The gate valves (26) block the bottom outlets of the grain storage grids (25), and each gate valve (26) corresponds to a grain storage grid (25).

2. The shrinking component for grain quality inspection according to claim 1, characterized in that: A feed valve (27) is provided at the feed inlet at the top of the outer cone shell (21).

3. The shrinking component for grain quality inspection according to claim 1, characterized in that: A star valve (28) is provided at the bottom outlet of the lower cone shell (23).

4. The shrinking component for grain quality inspection according to claim 1, characterized in that: The number of the grain storage grids (25) is 6-10.

5. The shrinking component for grain quality inspection according to claim 1, characterized in that: The bottom of the outer cylindrical section (212) of the outer cone shell (21) is provided with a bent section (29) bent inwardly into an inverted cone structure.

6. A sampling system for grain quality inspection, comprising a grain collecting component (1), a reducing component (2), a weighing component (3) and a grain discharging component (4) arranged on a bracket (5) in sequence from top to bottom, characterized in that: The reduction component (2) is the reduction component for grain quality inspection as described in any one of claims 1 to 5.

7. The sampling system for grain quality inspection according to claim 6, characterized in that: The grain collecting assembly (1) comprises a grain collecting tank (11) and an air intake pipe (12) and a feed pipe (13) respectively located at the top and side of the grain collecting tank (11); the discharge port at the bottom of the grain collecting tank (11) is connected to the feed port at the top of the outer cone shell (21); and a buffer pad (14) is provided on the inner wall of the grain collecting tank (11).

8. The sampling system for grain quality inspection according to claim 7, characterized in that: The air intake pipe (12) is provided with an air intake valve (15), one end of the air intake pipe (12) located in the grain collecting tank (11) is provided with a filter screen (16), a vibrator (17) is provided on the side wall of the grain collecting tank (11), and a high-pressure gas nozzle (18) is provided on the top of the grain collecting tank (11).

9. The sampling system for grain quality inspection according to claim 6, characterized in that: The weighing assembly (3) comprises an outer cylinder (31) and an inner cylinder (32) located inside the outer cylinder (31); a weighing sensor (33) is provided at the top of the outer cylinder (31); the top of the inner cylinder (32) is suspended on the weighing sensor (33); the top of the inner cylinder (32) is connected to the bottom outlet of the lower cone shell (23) via a connecting pipe (34); a grain discharge valve (35) is provided at the bottom outlet of the inner cylinder (32); and a grain collecting hopper (36) is provided at the bottom of the outer cylinder (31).

10. The sampling system for grain quality inspection according to claim 9, characterized in that: The grain discharge assembly (4) comprises a four-way pipe (41) connected to the bottom outlet of the grain collecting hopper (36) and grain delivery pipes (42) respectively connected to the other three connection ports of the four-way pipe (41), and each grain delivery pipe (42) is provided with a control valve (43).

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