CN112539970A - Flour sampling device - Google Patents
Flour sampling device Download PDFInfo
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- CN112539970A CN112539970A CN202011409782.6A CN202011409782A CN112539970A CN 112539970 A CN112539970 A CN 112539970A CN 202011409782 A CN202011409782 A CN 202011409782A CN 112539970 A CN112539970 A CN 112539970A
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- hole
- pipeline
- sampling
- sampling column
- outlet
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Abstract
The invention provides a flour sampling device, which relates to the field of flour production and comprises a needle cylinder and a sampling column, wherein an inner hole is formed in the needle cylinder, a plurality of storage cavities are formed in the sampling column, at least one opening is formed in the surface of the sampling column in each storage cavity, inlets which correspond to the openings of the storage cavities one by one are formed in the side surface of the needle cylinder, and after the sampling column is combined with the inner hole, the inlets are communicated with the storage cavities through the corresponding openings; the sampling column is internally provided with vent holes and vent holes which are in one-to-one correspondence with the storage cavities, the vent holes are communicated with each storage cavity and communicated with the air inlet pipeline, one end of each vent hole is communicated with the corresponding storage cavity, and the other end of each vent hole is communicated with the corresponding outlet pipeline; locate the sample collection portion at sample column top. Through this device, can once not get sufficient sample, when taking a sample again, guarantee to take a sample in same place for the result that flour detected is more accurate.
Description
Technical Field
The invention relates to the field of flour production, in particular to a flour sampling device.
Background
The flour is a powder ground by wheat, and can be divided into high gluten flour, medium gluten flour, low gluten flour and non-gluten flour according to the content of protein in the flour, the flour (wheat flour) is staple food in most regions in the north of China, and the foods made of the flour have various varieties and different styles and flavors. If the flour is not sold urgently after being produced, the flour can be stored in a warehouse, and a certain amount of flour samples with different depths need to be extracted for detection before being sold again.
The applicant found that: when sampling, if enough samples are not obtained at one time, when sampling again, it is difficult to ensure that sampling is carried out at the same place, and therefore, a certain deviation occurs in the detection result.
Disclosure of Invention
In view of the above, an object of one or more embodiments of the present disclosure is to provide a flour sampling device, so as to solve the technical problem in the prior art that if a sufficient sample is not obtained at a time, it is difficult to ensure that the sample is taken at the same place when the sample is taken again, and therefore a certain deviation occurs in the detection result.
In view of the above, one or more embodiments of the present disclosure provide a flour sampling apparatus, including:
the sampling device comprises a needle cylinder and a sampling column, wherein an inner hole is formed in the needle cylinder, the sampling column is matched with the inner hole, a plurality of storage cavities are formed in the sampling column, the height of the sampling column is larger than that of the inner hole, at least one opening is formed in the surface of the sampling column in the storage cavities, inlets which correspond to the openings of the storage cavities one by one are formed in the side surface of the needle cylinder, and after the sampling column is combined with the inner hole, the inlets are communicated with the storage cavities through the corresponding openings;
the sampling column is internally provided with vent holes and vent holes which are in one-to-one correspondence with the storage cavities, the vent holes are communicated with each storage cavity through branch holes, one end of each vent hole is communicated with the gas inlet pipeline, the vent holes are in one-to-one correspondence with the outlet pipelines, one end of each vent hole is communicated with the corresponding storage cavity, and the other end of each vent hole is communicated with the corresponding outlet pipeline;
locate the sample collection portion at sample column top, sample collection portion stores the sample of intracavity through air vent and venthole extraction.
Further, including the scraper blade that is located cylinder outside surface, import bottom edge all is equipped with the scraper blade, the scraper blade slope sets up, and forms the acute angle between scraper blade and the import.
Furthermore, the communicating part of the air outlet hole and the storage cavity is positioned at the bottom of the storage cavity, and the communicating part of the vent hole and the storage cavity is positioned at the top of the storage cavity.
Further, the sample collection part includes:
the inner diameter of the connecting cylinder is equal to the diameter of the sampling column, and the guiding pipeline is fixed on the upper end face of the connecting cylinder;
the air suction pump is fixed in the guide pipeline, and the storage bag is arranged on the outlet side of the guide pipeline and is sleeved on the outlet side of the guide pipeline through an elastic opening;
the switching assembly is used for closing the through holes of other outlet pipelines after the through hole of one outlet pipeline is opened.
Further, the switching component includes:
the partition plate is fixed in the communicating interior and provided with a plurality of pipeline holes penetrating through the upper end surface and the lower end surface of the partition plate, the pipeline holes correspond to the outlet pipelines one by one, and the diameters of the pipeline holes are equal to the outer diameters of the outlet pipelines;
the sealing barrel is fixed on the upper end face of the partition plate, one end of the sealing barrel is fixed above the corresponding pipeline hole, the inner diameter of the sealing barrel is equal to the diameter of the pipeline hole, and the central axis of the sealing barrel is superposed with the central axis of the pipeline hole;
the distances from the through hole on each outlet pipeline to the upper end face of the sampling column are different, and the side surface of the sealing cylinder is provided with a through hole corresponding to the through hole;
when the connecting cylinder is sleeved at the top end of the sampling column, the outlet pipeline penetrates through the pipeline hole and extends into the sealing cylinder, and when the through hole of one outlet pipeline is communicated with the through hole, the distance from the through hole to the upper end face of the sampling column is a first distance; in the rest outlet pipelines, if the distance from the through hole to the upper end face of the sampling column is greater than the first distance, the through hole is positioned in the sealing cylinder and staggered with the corresponding through hole; if the first distance is larger than the distance from the through hole to the upper end surface of the sampling column, the through hole is positioned below the partition plate.
Furthermore, the sampling device comprises a rotating ring in threaded connection with the upper end of the sampling column and a connecting rod fixed on the upper end face of the rotating ring, wherein the top of the connecting rod is a T-shaped end, and the T-shaped end is in rotary connection with a circular groove arranged on the lower end face of the connecting cylinder.
The invention has the beneficial effects that: when the flour sampling device is used for sampling, the sampling column is firstly inserted into the inner hole, the inlet is staggered with the corresponding storage cavity, the flour cannot enter the inner hole through the inlet after the needle cylinder is inserted into the flour, then the needle cylinder is inserted into the flour, the sampling column is superposed with the inner hole after the completion, the storage cavity is communicated with the corresponding inlet, the flour can enter the storage cavity through the inlet, then the inlet is staggered with the corresponding storage cavity, the sample collection part is started, samples in the storage cavities are respectively and independently extracted through the outlet pipeline and the air inlet pipeline, if the samples are insufficient, the inlet is communicated with the corresponding storage cavity, a part of the flour enters the storage cavity again, then the samples are extracted through the sample collection part, and the needle cylinder is taken out according to the method until the samples are sufficient, through this device, can once not get sufficient sample, when taking a sample again, guarantee to take a sample in same place for the result that flour detected is more accurate.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a sample collection unit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a switching element in an embodiment of the present invention.
Wherein, 1, a needle cylinder; 2. an inner bore; 3. a sampling column; 4. an inlet; 5. a storage chamber; 6. a vent hole; 7. an air outlet; 8. a squeegee; 9. an air intake duct; 10. an outlet conduit; 11. a connecting cylinder; 12. a through hole; 13. a partition plate; 14. a sealing cylinder; 15. perforating; 16. a guide duct; 17. a getter pump; 18. a storage bag; 19. a rotating ring; 20. a connecting rod; 21. a circular groove.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In view of the above objects, the first aspect of the present invention provides an embodiment of a flour sampling device, as shown in fig. 1 and 2, comprising:
the sampling device comprises a needle cylinder 1 and a sampling column 3, wherein an inner hole 2 is formed in the needle cylinder 1, the sampling column 3 is matched with the inner hole 2, a plurality of storage cavities 5 are formed in the sampling column 3, the height of the sampling column 3 is larger than that of the inner hole 2, at least one opening is formed in the surface of the sampling column 3 of each storage cavity 5, inlets 4 corresponding to the openings of the storage cavities 5 in a one-to-one mode are formed in the side surface of the needle cylinder 1, and after the sampling column 3 is combined with the inner hole 2, the inlets 4 are communicated with the storage cavities 5 through the corresponding openings;
the sampling device comprises an air inlet pipeline 9 arranged on the side surface of the top of a sampling column 3 and a plurality of outlet pipelines 10 arranged on the top end surface of the sampling column 3, wherein vent holes 6 and air outlet holes 7 which are in one-to-one correspondence with storage cavities 5 are arranged in the sampling column 3, the vent holes 6 are communicated with each storage cavity 5 through branch holes, one end of each vent hole 6 is communicated with the air inlet pipeline 9, the air outlet holes 7 are in one-to-one correspondence with the outlet pipelines 10, one end of each air outlet hole 7 is communicated with the corresponding storage cavity 5, and the other end of each air outlet hole 7 is communicated with the corresponding outlet pipeline 10;
locate the sample collection portion on the top of sampling column 3, sample collection portion extracts the sample in storage chamber 5 through air vent 6 and venthole 7.
In the embodiment, during sampling, firstly, the sampling column 3 is inserted into the inner hole 2, the inlet 4 is staggered with the corresponding storage cavity 5, it is ensured that after the needle cylinder 1 is inserted into flour, flour cannot enter the inner hole 2 through the inlet 4, then the needle cylinder 1 is inserted into the flour, after completion, the sampling column 3 is coincided with the inner hole 2, at this time, the storage cavity 5 is communicated with the corresponding inlet 4, the flour can enter the storage cavity 5 through the inlet 4, then the inlet 4 is staggered with the corresponding storage cavity 5, the sample collection part is started, samples in the storage cavities 5 are respectively and independently extracted through the outlet pipeline 10 and the air inlet pipeline 9, if the samples are insufficient, the inlet 4 is communicated with the corresponding storage cavities 5, so that a part of flour enters the storage cavities 5 again, then the samples are extracted through the sample collection part, according to the method, until the sample enough after, take out cylinder 1, through this device, can not get enough sample once, when taking a sample again, guarantee to take a sample in same place for the result of flour detection is more accurate.
As an embodiment, as shown in fig. 1, the device comprises scrapers 8 located on the outer side surface of the needle cylinder 1, the scrapers 8 are arranged at the bottom edge of the inlet 4, the scrapers 8 are arranged obliquely, and an acute angle is formed between the scrapers 8 and the inlet 4. Here, when flour is required to enter the storage chamber 5, the syringe 1 can be vibrated by an external force to a small extent, and the flour can be carried into the storage chamber 5 by the scraper 8.
In one embodiment, as shown in fig. 1, the air outlet 7 is located at the bottom of the storage chamber 5 and the air vent 6 is located at the top of the storage chamber 5. If the positions of the air outlet 7 and the air vent 6 are reversed, when the sample collecting part inhales air, the pressure difference is formed in the storage cavity 5 by the sample in the storage cavity 5, and then the flour sample can form mist in the storage cavity 5 and is difficult to extract quickly.
As an embodiment, as shown in fig. 3, the sample collection part includes:
a connecting cylinder 11 with the inner diameter equal to the diameter of the sampling column 3 and a guide pipeline 16 fixed on the upper end surface of the connecting cylinder 11;
a suction pump 17 fixed in the guide pipeline 16 and a storage bag 18 arranged at the outlet side of the guide pipeline 16, wherein the storage bag 18 is sleeved at the outlet side of the guide pipeline 16 through an elastic opening;
a through hole 12 arranged on the side surface of the outlet pipe 10 and a switching component arranged in the connecting cylinder 11, wherein the switching component is used for closing the through holes 12 of other outlet pipes 10 after the through hole 12 of one outlet pipe 10 is opened.
In this embodiment, when the sample in the storage chamber 5 is extracted, the through hole 12 of one of the outlet pipes 10 is first opened by the switching component, so that the through holes 12 of the other outlet pipes 10 are closed, then one storage bag 18 is sleeved on the outlet side of the guiding pipe 16 through the opening with elasticity, then the suction pump 17 is started, so that the extracted sample is collected by the storage bag 18, then the storage bag 18 is replaced, a new storage bag 18 is replaced, and the through hole 12 of the other outlet pipe 10 is opened by the switching component, and then the extraction is performed until all the storage chambers 5 are extracted.
Further, the switching component includes:
the partition plate 13 is fixed in the communicating interior, the partition plate 13 is provided with a plurality of pipeline holes penetrating through the upper end surface and the lower end surface of the partition plate, the pipeline holes correspond to the outlet pipelines 10 one by one, and the diameters of the pipeline holes are equal to the outer diameters of the outlet pipelines 10;
the sealing cylinder 14 is fixed on the upper end face of the partition plate 13, one end of the sealing cylinder 14 is fixed above the corresponding pipeline hole, the inner diameter of the sealing cylinder 14 is equal to the diameter of the pipeline hole, and the central axis of the sealing cylinder 14 is superposed with the central axis of the pipeline hole;
the distances from the through hole 12 on each outlet pipeline 10 to the upper end surface of the sampling column 3 are different, and the side surface of the sealing cylinder 14 is provided with a through hole 15 corresponding to the through hole 12;
in this embodiment, when the connecting cylinder 11 is sleeved on the top end of the sampling column 3, the outlet pipes 10 will pass through the pipe holes and extend into the sealing cylinder 14, and when the through hole 12 of one of the outlet pipes 10 is communicated with the through hole 15, the distance from the through hole 12 to the upper end surface of the sampling column 3 is a first distance; in the rest of the outlet pipes 10, if the distance from the through hole 12 to the upper end face of the sampling column 3 is greater than the first distance, the through hole 12 is positioned in the sealing cylinder 14 and staggered with the corresponding through hole 15; if the first distance is greater than the distance from the through-hole 12 to the upper end surface of the sampling column 3, the through-hole 12 is located below the partition. If the sample in one of the storage chambers 5 is completely withdrawn, the drive connector 11 is repositioned on the sampling column 3 such that the through-hole 12 of the other outlet conduit 10 communicates with the corresponding through-hole 15. This way the handover can be achieved.
As one embodiment, as shown in fig. 4, the sampling column comprises a rotating ring 19 screwed with the upper end of the sampling column 3 and a connecting rod 20 fixed on the upper end surface of the rotating ring 19, wherein the top of the connecting rod 20 is a T-shaped end, and the T-shaped end is rotatably connected with a circular groove 21 arranged on the lower end surface of the connecting cylinder 11. The position of the connecting cylinder 11 can be changed by driving the rotary ring 19 in rotation.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.
Claims (6)
1. A flour sampling device, comprising:
the sampling device comprises a needle cylinder and a sampling column, wherein an inner hole is formed in the needle cylinder, the sampling column is matched with the inner hole, a plurality of storage cavities are formed in the sampling column, the height of the sampling column is larger than that of the inner hole, at least one opening is formed in the surface of the sampling column in the storage cavities, inlets which correspond to the openings of the storage cavities one by one are formed in the side surface of the needle cylinder, and after the sampling column is combined with the inner hole, the inlets are communicated with the storage cavities through the corresponding openings;
the sampling column is internally provided with vent holes and vent holes which are in one-to-one correspondence with the storage cavities, the vent holes are communicated with each storage cavity through branch holes, one end of each vent hole is communicated with the gas inlet pipeline, the vent holes are in one-to-one correspondence with the outlet pipelines, one end of each vent hole is communicated with the corresponding storage cavity, and the other end of each vent hole is communicated with the corresponding outlet pipeline;
locate the sample collection portion at sample column top, sample collection portion stores the sample of intracavity through air vent and venthole extraction.
2. The flour sampling device according to claim 1, comprising scrapers located on the outer side surface of the needle cylinder, wherein the scrapers are arranged at the bottom edge of the inlet, the scrapers are arranged obliquely, and an acute angle is formed between the scrapers and the inlet.
3. The flour sampling device according to claim 1, wherein the air outlet is located at the bottom of the storage cavity and the air vent is located at the top of the storage cavity.
4. A flour sampling device according to claim 1, wherein the sample collection portion comprises:
the inner diameter of the connecting cylinder is equal to the diameter of the sampling column, and the guiding pipeline is fixed on the upper end face of the connecting cylinder;
the air suction pump is fixed in the guide pipeline, and the storage bag is arranged on the outlet side of the guide pipeline and is sleeved on the outlet side of the guide pipeline through an elastic opening;
the switching assembly is used for closing the through holes of other outlet pipelines after the through hole of one outlet pipeline is opened.
5. A flour sampling apparatus according to claim 4, wherein the switch assembly comprises:
the partition plate is fixed in the communicating interior and provided with a plurality of pipeline holes penetrating through the upper end surface and the lower end surface of the partition plate, the pipeline holes correspond to the outlet pipelines one by one, and the diameters of the pipeline holes are equal to the outer diameters of the outlet pipelines;
the sealing barrel is fixed on the upper end face of the partition plate, one end of the sealing barrel is fixed above the corresponding pipeline hole, the inner diameter of the sealing barrel is equal to the diameter of the pipeline hole, and the central axis of the sealing barrel is superposed with the central axis of the pipeline hole;
the distances from the through hole on each outlet pipeline to the upper end face of the sampling column are different, and the side surface of the sealing cylinder is provided with a through hole corresponding to the through hole;
when the connecting cylinder is sleeved at the top end of the sampling column, the outlet pipeline penetrates through the pipeline hole and extends into the sealing cylinder, and when the through hole of one outlet pipeline is communicated with the through hole, the distance from the through hole to the upper end face of the sampling column is a first distance; in the rest outlet pipelines, if the distance from the through hole to the upper end face of the sampling column is greater than the first distance, the through hole is positioned in the sealing cylinder and staggered with the corresponding through hole; if the first distance is larger than the distance from the through hole to the upper end surface of the sampling column, the through hole is positioned below the partition plate.
6. The flour sampling device according to claim 4 to 5, comprising a rotating ring in threaded connection with the upper end of the sampling column and a connecting rod fixed on the upper end face of the rotating ring, wherein the top of the connecting rod is a T-shaped end, and the T-shaped end is in rotary connection with a circular groove arranged on the lower end face of the connecting cylinder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409782.6A CN112539970B (en) | 2020-12-03 | 2020-12-03 | Flour sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011409782.6A CN112539970B (en) | 2020-12-03 | 2020-12-03 | Flour sampling device |
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| CN112539970A true CN112539970A (en) | 2021-03-23 |
| CN112539970B CN112539970B (en) | 2022-10-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290387A (en) * | 2022-08-06 | 2022-11-04 | 东莞市国丰粮油有限公司 | Quality safety control system suitable for flour processing |
| CN116296604A (en) * | 2023-05-23 | 2023-06-23 | 麦肯嘉顿(江苏)食品有限公司 | Flour detects sampling device |
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| CN115290387A (en) * | 2022-08-06 | 2022-11-04 | 东莞市国丰粮油有限公司 | Quality safety control system suitable for flour processing |
| CN116296604A (en) * | 2023-05-23 | 2023-06-23 | 麦肯嘉顿(江苏)食品有限公司 | Flour detects sampling device |
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| Publication number | Publication date |
|---|---|
| CN112539970B (en) | 2022-10-11 |
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