Multifunctional grain sample splitter

Abstract

The utility model relates to a multifunctional grain sample splitter, which comprises a rotatable sample cup holder, a plurality of hollow areas distributed around the rotation axis of the sample cup holder, and a plurality of sample cups arranged on the sample cup holder, the sample cup is detachably mounted on the sample cup holder, and when the sample cup is mounted on the sample cup holder, the at least one hollow area can be covered; the sample cup is reasonable in design structure, different numbers of sample cups can be placed in the hollow area according to actual requirements in the material sample separation process, so that part or all of the hollow area is covered, the sample separation requirements of division, equal division and unequal division are met, and the sample separation efficiency is improved. The proportion adjustment of division, equal division and unequal division can be realized by adjusting the size of the sample cup, and the multifunctional sample dividing device has the advantages of multiple functions, good sample dividing effect, high detection efficiency and high accuracy.

Description

Technical Field

[0001] This application relates to the field of sampler design technology, and in particular to a multifunctional grain sampler. Background Technology

[0002] A sampler is a pre-processing device for detecting material proportions. Its core function is to collect a portion of the sample for subsequent testing. The similarity in characteristics and content of various components between the subsample and the parent sample is a prerequisite for accurate detection. Currently, samplers on the market mainly have two functions: one is to divide the sample into several equal parts for parallel samples, sample retention, etc.; the other is to reduce the sample from a large sample to a smaller portion for subsequent testing. However, currently, there is no sampler or sampling technology on the market that can simultaneously achieve adjustable reduction ratios, adjustable equal division fractions, and unequal division. Furthermore, it lacks adjustable ratio functionality during reduction, equal division, and unequal division. This necessitates the use of multiple devices with different functions for grain sampling, resulting in high equipment investment costs and low sampling efficiency. Utility Model Content

[0003] To address the problem mentioned in the background art that the prior art cannot achieve reduction, equalization, and unequalization on the same sampling device, this application provides a multifunctional grain sampler.

[0004] The multifunctional grain sampler provided in this application adopts the following technical solution:

[0005] A multi-functional grain sampler includes:

[0006] A rotatable sample cup holder with multiple hollowed-out areas distributed around its axis of rotation;

[0007] The sample cup is detachably mounted on the sample cup holder, and when the sample cup is mounted on the sample cup holder, it can cover at least one cutout area.

[0008] By adopting the above technical solution, during the material sampling process, sample cups of different quantities and sizes can be placed in the hollowed-out area according to actual needs, thereby covering part or all of the hollowed-out area to meet the requirements of sample reduction, equal division, and unequal division. For example, during reduction, sample cups of a specified proportion can be placed in the hollowed-out area, with the material located above the sample cup holder and falling under its own gravity. Since the sample cup holder can rotate at a certain speed, a specified proportion of the material can fall into the sample cup, while other materials pass through the hollowed-out area and fall downwards, achieving the reduction effect. During equal division, sample cups of the same size can be used to completely cover the hollowed-out area. In this way, during the rotation of the sample cup holder, the weight of the material falling into different sample cups is the same, achieving the equal division effect. During unequal division, sample cups of different sizes can be placed on the sample cup holder, allowing the material to fall into different sample cups in different proportions, achieving the unequal division effect.

[0009] Optionally, multiple hollowed-out areas are evenly distributed around the rotation axis of the sample cup holder.

[0010] By adopting the above technical solution, the weight of the material falling into the hollow area can always remain uniform during the falling process, thus improving the sampling effect.

[0011] Optionally, the sample cup holder includes a central column, with partitions evenly distributed at the lower outer diameter of the central column. An outer ring is connected to the end of the partition, and the outer ring is coaxially arranged with the central column. The hollow area is formed in the fan-shaped area between two adjacent partitions.

[0012] By adopting the above technical solution, the area formed by the outer ring and the central column can be evenly distributed using partitions, making the hollow area more intuitive and facilitating the placement of sample cups.

[0013] Optionally, a first support ring is installed on the lower surface of the partition, the first support ring is coaxially arranged with the outer ring and close to one side of the outer ring; the lower end of the central column has a second support ring protruding in its radial direction, the upper surface of the second support ring is coplanar with the upper surface of the first support ring, and the bottom surface of the sample cup can contact the upper surfaces of the first support ring and the second support ring.

[0014] By adopting the above technical solution, on the one hand, the first and second support rings can be used to reinforce the entire sample cup holder, thereby improving the overall structural stability of the sample cup holder; on the other hand, it can also ensure that the sample cups can be placed stably on the sample cup holder, avoiding the problem of the sample cups shaking or moving during the rotation of the sample cup holder.

[0015] Optionally, when the sample cup is installed in the hollow area, the downward projected area of ​​a single sample cup is N times the downward projected area of ​​the hollow area, where N is a number greater than zero.

[0016] By adopting the above technical solution, sample cups of different capacities can be set according to actual needs to meet the requirements of different proportions of sample reduction, equal division and unequal division during sample division, thus expanding its applicable scope.

[0017] Optional, also includes:

[0018] frame;

[0019] The motor is mounted on the frame, and its output shaft is connected to the sample cup holder to drive the sample cup holder to rotate.

[0020] The hopper is installed at the top of the frame;

[0021] The feeding device, which is mounted on the frame, is configured to receive the material falling from the hopper and guide the material to a position above the sample cup holder.

[0022] By adopting the above technical solution, the frame, as the skeleton structure of the entire sampler, can be made of square tubes, aluminum alloy profiles, etc., to improve structural stability; the hopper is used to hold grain raw materials, and the feeding device is mainly for feeding materials at a certain speed to meet the sampler's requirements.

[0023] Optionally, the feeding device includes a trough, with the inlet end of the trough located below the hopper and the outlet end of the trough located above the sample cup holder. A vibration motor is installed below the trough, and a support is connected below the vibration motor. An elastic element is connected between the support and the frame.

[0024] By adopting the above technical solution, the vibrating motor can make the material falling into the trough move more evenly towards the outlet end, which is beneficial to the uniformity of material falling.

[0025] Optionally, it also includes a receiving tray, which is coaxially connected to the sample cup holder and can rotate synchronously with the sample cup holder. The receiving tray has the same number of feeding channels as the hollowed-out areas, and the feeding channels correspond one-to-one with the hollowed-out areas. The feeding channels have a tapered structure that is wider at the top and narrower at the bottom.

[0026] By adopting the above technical solution, the receiving tray can be used to guide the material, avoiding the problem of material splashing when the material falls directly onto the sample cup holder.

[0027] Optionally, a receiving funnel may also be included, which is located below the sample cup holder.

[0028] By adopting the above technical solution, a receiving funnel can be used to collect materials during the process of reducing or dividing samples into equal parts.

[0029] Optionally, a tray is provided below the receiving funnel.

[0030] The above technical solution is used to collect materials falling from the receiving funnel.

[0031] In summary, this application includes at least one of the following beneficial technical effects:

[0032] (1) The design structure of this utility model is meticulous. During the material sampling process, different numbers of sample cups can be placed in the hollow area according to actual needs, thereby covering part or all of the hollow area to meet the sampling requirements of reduction, equal division and unequal division. Furthermore, the proportion of reduction, equal division and unequal division can be adjusted by adjusting the size of the sample cups. It has the advantages of integrated functions, convenient use, high flexibility, good sampling effect, high detection efficiency and high accuracy.

[0033] (2) Since the present invention integrates the functions of reducing, equalizing and unequalizing the sampling into a single sampler device, it can not only reduce the investment cost of the equipment, but also reduce the area occupied by the equipment in actual production. Furthermore, since the equipment integrates multiple sampling functions, it has the advantages of being convenient and flexible to use and being able to be quickly adjusted according to different needs. Attached Figure Description

[0034] Figure 1 This is a perspective view of the present invention;

[0035] Figure 2 This is a perspective view of the concealed frame and hopper of this utility model;

[0036] Figure 3 This is an exploded view of the concealed frame and hopper of this utility model;

[0037] Figure 4 This is a perspective view of the sample cup holder of this utility model;

[0038] Figure 5 This is a perspective view of the receiving tray of this utility model;

[0039] Figure 6 This is a perspective view of the feeding device of this utility model;

[0040] Figure 7 This is an exploded view of the sample cup holder of this utility model connected with different sample cups.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. Frame; 2. Hopper; 3. Tray; 4. Receiving funnel; 5. Sample cup holder; 501. Central column; 502. Outer ring; 503. First support ring; 504. Second support ring; 505. Partition; 506. Hollowed-out area; 6. Sample cup; 7. Receiving tray; 701. Discharge channel; 8. Motor; 9. Feeding device; 901. Material trough; 902. Vibrating motor; 903. Support; 904. Elastic element. Detailed Implementation

[0043] The present application will be further described in detail below with reference to the accompanying drawings.

[0044] As shown in the figure, this application discloses a multifunctional grain sampler, comprising:

[0045] A rotatable sample cup holder 5, which has multiple hollow areas 506 distributed around its rotation axis;

[0046] The sample cup 6 is detachably mounted on the sample cup holder 5, and when the sample cup 6 is mounted on the sample cup holder 5, it can cover at least one hollow area 506.

[0047] When the sample cup holder 5 is rotating, it can place the grain material above the sample cup holder 5 and drop it at a certain speed. At this time, by adjusting the number of sample cups 6, the purpose of reducing, equalizing, and dividing the grain material can be achieved. More specifically, the sample cups 6 can be set with different volumes, so that the sample ratio can be adjusted when reducing, equalizing, and dividing the sample. It has the effect of being flexible, versatile, and having a wider range of applications.

[0048] Specifically, in one embodiment, multiple hollow areas 506 are evenly distributed around the rotation axis of the sample cup holder 5, such as... Figure 4 As shown, there are a total of 12 hollow areas 506 on the sample cup holder 5, and the 12 hollow areas 506 are evenly distributed around the rotation axis of the sample cup holder 5.

[0049] Specifically, in one embodiment, the sample cup holder 5 includes a central column 501, with partitions 505 evenly distributed at the lower outer diameter of the central column 501. An outer ring 502 is connected to the end of the partitions 505, and the outer ring 502 is coaxially arranged with the central column 501. The hollow area 506 is formed in the fan-shaped area between two adjacent partitions 505. The central column 501, partitions 505, and outer ring 502 can be connected and fixed by welding.

[0050] Specifically, in one embodiment, a first support ring 503 is installed on the lower surface of the partition 505. The first support ring 503 is coaxially arranged with the outer ring 502 and close to one side of the outer ring 502. The lower end of the central column 501 has a second support ring 504 protruding in its radial direction. The upper surface of the second support ring 504 is coplanar with the upper surface of the first support ring 503. The bottom surface of the sample cup 6 can contact the upper surfaces of the first support ring 503 and the second support ring 504. The first support ring 503 and the second support ring 504 can support the two ends of the sample cup 6 respectively, so that the sample cup 6 can maintain balance on the sample cup holder 5.

[0051] Specifically, in one embodiment, when the sample cup 6 is mounted in the hollow area 506, the downward projected area of ​​a single sample cup 6 is twice the downward projected area of ​​the hollow area 506, such as... Figure 7 When the sample cup 6a is divided, it is placed in only one of the hollow areas 506; when it is divided evenly, it is placed in all the hollow areas 506.

[0052] In another embodiment, the downward projected area of ​​a single sample cup 6 is twice the downward projected area of ​​the hollowed-out area 506, such as Figure 7 The sample cup 6c shown has an upwardly recessed groove in the middle of its bottom, so that it will not interfere with the partition 505 in the middle position when it spans two hollow areas 506. In this way, compared with the sample cup 6a, when it is divided, the amount of grain it can hold is twice that of the sample cup 6a. When it is divided evenly, the sample cup 6c is placed in all hollow areas 506.

[0053] Furthermore, in another embodiment, the downward projected area of ​​a single sample cup 6 is three times the downward projected area of ​​the hollowed-out area 506, such as... Figure 7 The sample cup 6b shown is based on the same principle of reduction and equalization as described above, and can hold a larger amount of grain.

[0054] In another embodiment, the downward projected area of ​​a single sample cup 6 is four times the downward projected area of ​​the hollowed-out area 506 (not shown in the figure), and the principle is the same as described above. Furthermore, the ratio of the downward projected area of ​​a single sample cup 6 to the downward projected area of ​​the hollowed-out area 506 can be set according to different needs, and is not limited here.

[0055] In another embodiment, sample cups 6 of different sizes can be placed on the sample cup holder 5 at the same time to achieve the effect of unequal sample division.

[0056] Specifically, it also includes:

[0057] Rack 1;

[0058] Motor 8 is mounted on frame 1. The output shaft of motor 8 is connected to sample cup holder 5 and is used to drive sample cup holder 5 to rotate.

[0059] Hopper 2 is installed at the top of frame 1;

[0060] The feeding device 9 is mounted on the frame 1 and is configured to receive the material falling from the hopper 2 and guide the material to a position above the sample cup holder 5.

[0061] Specifically, the feeding device 9 includes a material trough 901, with the inlet end of the material trough 901 located below the hopper 2 and the outlet end of the material trough 901 located above the sample cup holder 5. A vibration motor 902 is installed below the material trough 901, and a bracket 903 is connected below the vibration motor 902. An elastic element 904 is connected between the bracket 903 and the frame 1. The elastic element 904 can be a spring, which is used to make the material trough 901 vibrate slightly when the vibration motor 902 is working, so as to facilitate the material to be discharged outward. In other embodiments, the number of material troughs 901 can be two, three or more. Multiple material troughs 901 can be evenly distributed around the center line of the sample cup holder 5, thereby improving the uniformity of the sample separation process.

[0062] Specifically, it also includes a receiving tray 7, which is coaxially connected to the sample cup holder 5 and can rotate synchronously with the sample cup holder 5. The receiving tray 7 has the same number of feeding channels 701 as the hollowed-out areas 506, and the feeding channels 701 correspond one-to-one with the hollowed-out areas 506. The feeding channels 701 have a tapered structure that is wider at the top and narrower at the bottom, which makes it easier for the material to pass through the receiving tray 7 before falling into the sample cup holder 5 below, so as to avoid the problem of material splashing between two adjacent sample cups 6 due to structural reasons.

[0063] Specifically, it also includes a receiving funnel 4, which is located below the sample cup holder 5. A tray 3 is provided below the receiving funnel 4. The material falling from the hollow area 506 can fall into the tray 3 below through the receiving funnel 4 to collect the material. Both the tray 3 and the receiving funnel 4 are installed on the frame 1. The tray 3 can be pulled out so that the staff can take out the material.

[0064] The following table compares the unit price, size, and functionality of different samplers in the prior art with the sampler of this embodiment:

[0065] Equipment Name model Reference unit price Equipment size Function Automatic sample dispenser for laboratory grain samples China Grain Reserves Corporation JFYZ-II 60,000 yuan 890mm×600mm×400mm Only can be divided into two equal parts; the reduction ratio is adjustable. Gamet Electric Rotary Sampler Gamet Electric Rotary Sampler 140,000-170,000 yuan 558mm×558×838mm Fixed proportion, equal / unequal division Electric mixing and separating machine from a certain manufacturer Electric mixing and separating machine 60,000-80,000 yuan 610mm×320mm×755mm Fixed proportions, equal / unequal divisions (customized sample proportions) This embodiment describes an integrated machine for reducing, equalizing, and unequalizing divisions. 60,000-80,000 yuan 480mm×520mm×800mm Reduce / Divide equally / Divide unequally (adjustable ratio)

[0066] As can be seen from the table above, the sampler in this embodiment has significant advantages in terms of price, equipment footprint, and functionality. It can not only reduce the investment cost of the equipment, but also reduce the footprint of the equipment in actual production. Furthermore, since the equipment integrates multiple sampling functions, it has the advantages of being easy to use, flexible, and able to be quickly adjusted according to different needs. In actual sampling operations, the sampler in this embodiment has a maximum sampling capacity of 15kg, a small particle sampling error of ≤1%, a large particle sampling error of ≤2%, and a good sampling effect.

[0067] As shown in the table above, in existing equipment, at least two devices are required to achieve the functions of material reduction, equalization, and unequalization. This not only increases the difficulty of operation but also increases the cost of the equipment by at least 120,000 to 140,000 yuan. In contrast, the cost of completing the above three functions in this embodiment is only 60,000 to 80,000 yuan, which reduces the cost by at least 50% and significantly improves economic efficiency. Furthermore, in terms of functionality, the sampler in this embodiment not only has the functions of material reduction, equalization, and unequalization but also allows for flexible adjustment of the proportion according to the actual sampling needs during operation. Other existing samplers, on the other hand, have a fixed proportion and do not have the function of flexibly adjusting the sampling proportion, resulting in poor flexibility.

[0068] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A multi-functional grain sample divider characterized by, The utility model relates to a kind of sample cup rotating device, including: Rotatable sample cup rack (5), a plurality of hollow areas (506) are distributed around its rotation axis on sample cup rack (5); Sample cup (6) is detachably installed on sample cup rack (5), when sample cup (6) is installed to sample cup rack (5), at least one hollow area (506) can be covered.

2. A multi-functional grain sample divider as claimed in claim 1, wherein, A plurality of hollow areas (506) are evenly distributed around the rotation axis of sample cup rack (5).

3. The multi-functional grain sample divider according to claim 1, wherein, The sample cup rack (5) includes a center column (501), the lower end of the center column (501) is evenly distributed with a partition (505), the end of the partition (505) is connected with an outer ring (502), the outer ring (502) is coaxially arranged with the center column (501), and the hollow area (506) is formed at the sector region between the two adjacent partitions (505).

4. A multi-functional grain sample divider as claimed in claim 3, wherein, The lower surface of the partition (505) is provided with a first support ring (503), and the first support ring (503) is coaxially arranged with the outer ring (502) and close to one side of the outer ring (502); the lower end of the center column (501) has a second support ring (504) protruding in the radial direction thereof, the upper surface of the second support ring (504) is coplanar with the upper surface of the first support ring (503), and the bottom surface of the sample cup (6) can contact the upper surfaces of the first support ring (503) and the second support ring (504).

5. The multi-functional grain sample divider according to claim 1, wherein, When the sample cup (6) is installed in the hollow area (506), the projected area of a single sample cup (6) downward is N times the projected area of the hollow area (506) downward, and N is a number greater than zero.

6. The multi-functional grain sample divider according to claim 1, wherein, Further comprising: A rack (1); A motor (8) is installed on the rack (1), and the output shaft of the motor (8) is connected with the sample cup rack (5) for driving the sample cup rack (5) to rotate; A hopper (2) is installed at the top of the rack (1); A feeding device (9) is installed on the rack (1) and is arranged to receive the material falling from the hopper (2) and guide the material to a position above the sample cup rack (5).

7. A multi-functional grain sample divider as claimed in claim 6, wherein, The feeding device (9) includes a chute (901), the feeding end of the chute (901) is located below the hopper (2), the discharging end of the chute (901) is located above the sample cup rack (5), a vibration motor (902) is installed below the chute (901), a bracket (903) is connected below the vibration motor (902), and an elastic member (904) is connected between the bracket (903) and the rack (1).

8. A multi-functional grain sample divider as claimed in any one of claims 1 to 7, wherein, Further comprising a receiving disc (7) coaxially connected to the sample cup rack (5) and capable of rotating synchronously with the sample cup rack (5), the receiving disc (7) is provided with a same number of discharging channels (701) as the hollow areas (506), and each discharging channel (701) corresponds to a hollow area (506), and each discharging channel (701) has a tapered structure with a wide upper part and a narrow lower part.

9. A multi-functional grain sample divider as claimed in any one of claims 1 to 7, wherein, Further comprising a receiving funnel (4) arranged below the sample cup rack (5).

10. A multi-functional grain sample divider as claimed in claim 9, wherein, A tray (3) is arranged below the receiving funnel (4).

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