CN111397982A - Food heavy metal detects with smashing agitator - Google Patents
Food heavy metal detects with smashing agitator Download PDFInfo
- Publication number
- CN111397982A CN111397982A CN202010250691.6A CN202010250691A CN111397982A CN 111397982 A CN111397982 A CN 111397982A CN 202010250691 A CN202010250691 A CN 202010250691A CN 111397982 A CN111397982 A CN 111397982A
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- heavy metal
- detecting
- stirring tank
- crushing
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010027439 Metal poisoning Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000010501 heavy metal poisoning Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a crushing stirrer for detecting heavy metal in food, which belongs to the field of food detection and comprises a base and a stirring tank, wherein a stirring shaft in transmission connection with a stirring motor is arranged in the stirring tank, crushing blades are arranged on the stirring shaft, a liquid outlet is arranged at the bottom of the stirring tank, a sealing cover is arranged at the liquid outlet, a flow passage communicated with the liquid outlet is arranged in the base, the lower end of the flow passage is communicated with a material chamber in the base, one side of the material chamber is open, a horizontally sliding object placing plate is arranged in the material chamber, and an open cup is arranged at the upper end of the object placing plate; the jacking device is characterized in that a jacking driving device is arranged in the base, a piston rod of the jacking driving device extends out of the base to be connected with a jacking seat, and the jacking seat is arranged below the sealing cover. The invention aims to provide a crushing stirrer for detecting heavy metal in food, which can extract multiple samples at the same time, ensure the uniformity of the samples and improve the detection accuracy.
Description
Technical Field
The invention relates to the field of food detection, in particular to a crushing stirrer for detecting heavy metal in food.
Background
If the content of heavy metal in the food is too high, heavy metal poisoning of a human body is easily caused, and the harm to the health of the human body is great, so that the detection of the content of the heavy metal in the food is required. The conventional detection process comprises the steps of adding water into food, crushing the food, extracting a mixed solution, adding other reagents according to needs, and placing the mixture on a detector for detection to obtain the content of heavy metals in the food; in the above process, if the mixed solution is extracted in batches, the mixed solution may precipitate due to the waiting time of extraction, which may cause the change of components in each sample and affect the detection result.
Disclosure of Invention
The invention aims to solve the problems, and provides a crushing stirrer for detecting heavy metal in food, which can extract multiple samples at the same time, ensure the uniformity of the samples and improve the detection accuracy.
In order to realize the purpose, the invention adopts the technical scheme that: a crushing stirrer for detecting heavy metal in food comprises a base and a stirring tank, wherein a stirring shaft is arranged in the stirring tank, crushing leaves are arranged on the stirring shaft, and the stirring shaft is driven to rotate by a stirring motor, so that the crushing leaves cut the food; after cutting, the liquid to be detected can be discharged from a liquid outlet at the bottom of the stirring tank, the liquid outlet is blocked by a sealing cover in the stirring process, and when the liquid is discharged, the liquid to be detected flows into a flow channel in the base from the liquid outlet and then falls into an open cup in the material chamber from an outlet at the lower end of the flow channel so as to complete receiving and taking of the liquid to be detected; in order to ensure that a plurality of samples can be extracted simultaneously, a plurality of flow passages are arranged in a ring-shaped array by taking the axis of the liquid outlet as a ring; one side of the material chamber is open so as to conveniently take the open cup, the open cup is arranged on the object placing plate, and the object placing plate can slide from the open end of the material chamber to the outlet at the lower end of the flow channel in a reciprocating and horizontal manner; for automatic discharge liquid, avoid artificial intervention, be provided with jacking drive arrangement in the base, jacking drive arrangement's piston rod stretches out the base and is connected with the jacking seat, the jacking seat sets up in sealed lid below.
Furthermore, for further realizing automation, the cover of the open cup is temporarily placed in the containing chamber in the base, the side wall of the base is provided with an inlet and an outlet communicated with the containing chamber, the outer wall of the base is provided with an containing sealing door for opening and closing the inlet and the outlet, the outlet at the lower end of the containing chamber is communicated with the containing chamber, and the containing chamber is internally provided with a lifting driving device for driving the cover to descend and cover the opening of the open cup.
Furthermore, in order to avoid the uncontrolled descending of the cover, baffles capable of automatically recovering to the horizontal state are arranged on the inner wall of the containing chamber at intervals, and the inner diameters of the baffles on the two sides are smaller than the outer diameter of the cover, so that the cover is prevented from falling into the material chamber from the containing chamber, and when the lifting driving device drives the cover to descend, the baffles can be jacked open.
Furthermore, the inner wall of the containing chamber is provided with positioning plates at intervals so as to ensure that the cover is positioned right above the open cup after the open cup moves to the outlet at the lower end of the containing chamber.
Furthermore, when the sample falls into the open cup from the flow channel and the object placing plate moves, the open cup is prevented from toppling; and meanwhile, the placing position of the open cup is fixed every time, the upper end of the object placing plate is provided with a relative support, the side end of the support is connected with the clamping plates through springs, and the clamping plates on the two sides are arranged on the two sides of the open cup relatively.
Furthermore, for the removal of accurate control thing board, it is provided with the sliding seat to put thing board lower extreme, the transmission screw threaded connection in sliding seat and the base, the transmission screw is connected with driving motor transmission.
Furthermore, the stirring tank is detachably arranged at the upper end of the base so as to be convenient to clean.
Further, for ensuring that the agitator tank can not rock at agitator motor in-process, the base upper end is provided with the thing groove of putting with agitator tank lower part looks adaptation, be provided with positioning screw on the base, positioning screw passes the positioning seat that sets up on the agitator tank lateral wall, the last nut that is used for fixed positioning seat that is provided with of positioning screw.
Further, for the convenience of cleaning the stirring tank and adding food to be detected, an upper cover capable of being opened and closed is arranged at the upper end of the stirring tank, and the stirring motor is arranged on the upper cover.
Furthermore, in order to prevent the sample from being polluted, a bin door is arranged at the open end of the material chamber on the outer wall of the base.
The invention has the beneficial effects that: food is cut up by rotatory crushing leaf and mixes with water or other reagents and obtains the sample, then the sealed lid of plugging up the liquid outlet is opened, and the sample falls to different runners from the liquid outlet on average to finally being caught by the open cup of each runner lower extreme, thereby with catch a plurality of same samples of getting, improve the accuracy of detection.
1. The cover of the open cup descends from the containing chamber under the pushing of the lifting driving device and covers the upper end of the open cup, so that the open cup is automatically sealed, the automation level is improved, and the pollution to the sample can be reduced.
2. The open cup is clamped by the clamping plates on the periphery, so that shaking generated when a sample is taken can be avoided, and meanwhile, the open cup is fixed in the placing position.
3. The containing chamber and the material chamber can be in a closed state, so that the pollution to the sample is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention (the sealing cover is in a closed state).
Fig. 2 is a schematic view of the internal structure of the present invention (the liquid outlet is in an open state).
FIG. 3 is a schematic view of a storage board structure.
The text labels in the figures are represented as: 1. a base; 2. a stirring tank; 3. a stirring motor; 4. a stirring shaft; 5. crushing the leaves; 6. a liquid outlet; 7. a sealing cover; 8. a flow channel; 9. a material chamber; 10. a storage plate; 11. an open cup; 12. a jacking driving device; 13. a jacking seat; 14. a cover; 15. a storage chamber; 16. a storage sealing door; 17. a lift drive; 18. a baffle plate; 19. positioning a plate; 20. a support; 21. a spring; 22. clamping a plate; 23. a sliding seat; 24. a drive screw; 25. a drive motor; 26. positioning a screw rod; 27. positioning seats; 28. an upper cover; 29. a bin gate.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 3, the specific structure of the present invention is: the food crusher comprises a base 1 and a stirring tank 2, wherein a stirring shaft 4 in transmission connection with a stirring motor 3 is arranged in the stirring tank 2, the stirring shaft 4 is vertically arranged, and crushing blades 5 for crushing food are arranged on the stirring shaft 4; a liquid outlet 6 is formed in the middle of the bottom of the stirring tank 2, a sealing cover 7 is arranged at the position of the liquid outlet 6, the outer diameter of the upper part of the sealing cover 7 is larger than the inner diameter of the liquid outlet 6, and the lower part of the sealing cover 7 is tightly matched with the liquid outlet 6; the base 1 is internally provided with flow channels 8 communicated with the liquid outlet 6, the flow channels 8 are arranged in a collar-shaped array by taking the axis of the liquid outlet 6 as a collar, so that the intersection point of all the flow channels 8 is positioned under the liquid outlet 6, the lower end of each flow channel 8 is communicated with a material chamber 9 in the base 1, one side of each material chamber 9 is open, a horizontally sliding object placing plate 10 is arranged in each material chamber 9, the object placing plate 10 can move to the open end of each material chamber 9 from the lower part of each flow channel 8, the upper end of each object placing plate 10 is used for placing an open cup 11, and each open cup 11 is used for receiving a sample falling from the lower end of each flow channel 8; the lifting driving device 12 is arranged in the base 1, the lifting driving device 12 can adopt an electric push rod, an oil cylinder and the like, a piston rod of the lifting driving device 12 extends out of the base 1 to be connected with the lifting seat 13, and the lifting seat 13 is arranged under the sealing cover 7.
Preferably, the cover 14 of the open cup 11 is temporarily placed in a containing chamber 15 in the base 1, and the containing chamber 15 is arranged above the material chamber 9 and is communicated with the material chamber; be provided with the access & exit with storage chamber 15 intercommunication on the base 1 lateral wall to conveniently place the lid, be provided with the sealed door 16 of accomodating that is used for opening and shutting the access & exit on the base 1 outer wall, be provided with in the storage chamber 15 and be used for driving lid 14 to descend and cover the lift drive arrangement 17 of closing at uncovered cup 11 opening part, lift drive arrangement 17 can adopt electric putter, hydro-cylinder etc..
Preferably, in order to temporarily hold the lid 14 so that the lid does not fall freely, baffles 18 are mounted on the inner wall of the storage chamber 15 through torsion springs, spring hinges, and the like, the upper end surfaces of all the baffles 18 are located on the same horizontal plane, the baffles 18 are arranged at intervals, and when the baffles are subjected to downward thrust, the baffles can swing downwards, and when the thrust disappears, the baffles 18 can automatically return to a horizontal state under the action of the torsion springs and the like.
Preferably, the inner wall of the storage chamber 15 is provided with positioning plates 19 at intervals, and the positioning plates 19 are pressed against the side walls of the cover 14, so as to ensure the position of the cover 14 to be fixed.
Preferably, the upper end of the storage plate 10 is provided with an opposite support 20, the side end of the support 20 is connected with a catch plate 22 through a spring 21, the spring 21 is horizontally arranged, and the catch plates 22 at two sides are oppositely arranged at two sides of the open cup 11 and are contacted with the outer wall of the open cup 11.
Preferably, the lower end of the object placing plate 10 is provided with a sliding seat 23, the sliding seat 23 is in threaded connection with a transmission screw 24 in the base 1, two ends of the transmission screw 24 are connected with a bearing in the base 1, and the transmission screw 24 is in transmission connection with a driving motor 25 through a gear, a belt and the like.
Preferably, the stirring tank 2 is detachably arranged at the upper end of the base 1.
Preferably, the upper end of the base 1 is provided with a storage groove matched with the lower part of the stirring tank 2, the base 1 is provided with a positioning screw 26, the positioning screw 26 passes through a positioning seat 27 arranged on the side wall of the stirring tank 2, the positioning screw 26 is provided with a nut, the nut is arranged above the positioning seat 27, and the positioning seat 27 can be compressed when the nut descends.
Preferably, an upper cover 28 which can be opened and closed is arranged at the upper end of the stirring tank 2, the upper cover 28 is detachably arranged at the upper end of the stirring tank 2 through bolts and the like, the stirring motor 3 is arranged on the upper cover 28, and an output shaft of the stirring motor 3 penetrates through a bearing in the upper cover to extend into the stirring tank 2 to be connected with the stirring shaft 4.
Preferably, the outer wall of the base 1 is provided with a bin door 29 at the open end of the material chamber, and the bin door 29 can be opened and closed, so that the material chamber 9 is opened or closed.
The specific embodiment is as follows: in advance, the laboratory staff opens the material chamber 9 and the containing chamber 15, and places the open cup 11 and the cover 14 in the material chamber 9 and the containing chamber 15 respectively, wherein the open cup 11 is positioned at the upper end of the object placing plate 10, and the cover 14 is placed at the upper end of the baffle plate 18; meanwhile, the experimenter adds the food and the water into the stirring tank 2 together, and before adding, whether the sealing cover 7 is completely covered tightly or not is checked to seal the liquid outlet 6; after the food and the like are added, the upper cover 14 is locked at the upper end of the stirring tank 2; after the steps are completed, starting the stirring motor 3 to crush and stir the materials in the stirring tank 2; after the materials in the stirring tank 2 are crushed and uniformly mixed, the jacking driving device drives the jacking seat to ascend through the switch of the jacking driving device so as to jack the sealing cover 7 open, so that the liquid outlet 6 is opened, the sample flows into the flow channel 8 from the liquid outlet 6 and then falls into the open cup 11 of the same material chamber through different flow channels 8, so that the sample receiving is completed, after the sample is received, the object placing plate 10 and the open cup 11 at the upper end of the object placing plate move to the lower part of the containing chamber 15 from the lower part of the flow channel 8, then the lifting driving device 17 pushes the cover 14 to descend, and in the descending process, the baffle plate 18 is jacked open to continue descending until the cover 14 and the open cup 11 are assembled together, and finally, the bin door 29 is opened, and the open cup containing the sample is taken out.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the above technical features may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (10)
1. A crushing stirrer for detecting heavy metal in food comprises a base (1) and a stirring tank (2), a stirring shaft (4) in transmission connection with a stirring motor (3) is arranged in the stirring tank (2), the stirring shaft (4) is provided with a crushing blade (5) for crushing food, it is characterized in that a liquid outlet (6) is arranged at the bottom of the stirring tank (2), a sealing cover (7) is arranged at the liquid outlet (6), a flow passage (8) communicated with the liquid outlet (6) is arranged in the base (1), the flow passages (8) are arranged in a collar-shaped array by taking the axis of the liquid outlet (6), the lower end of the flow passage (8) is communicated with a material chamber (9) in the base (1), one side of the material chamber (9) is open, a horizontally sliding object placing plate (10) is arranged in the material chamber (9), and the upper end of the object placing plate (10) is used for placing an open cup (11); the jacking device is characterized in that a jacking driving device (12) is arranged in the base (1), a piston rod of the jacking driving device (12) extends out of the base (1) to be connected with a jacking seat (13), and the jacking seat (13) is arranged below the sealing cover (7).
2. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein a cover (14) of the open cup (11) is temporarily placed in a containing chamber (15) in the base (1), an access communicated with the containing chamber (15) is arranged on the side wall of the base (1), a containing sealing door (16) for opening and closing the access is arranged on the outer wall of the base (1), and a lifting driving device (17) for driving the cover (14) to descend and cover the opening of the open cup (11) is arranged in the containing chamber (15).
3. The crushing stirrer for detecting the heavy metal in the food according to claim 2, wherein a baffle plate (18) capable of automatically returning to a horizontal state is arranged on the inner wall of the accommodating chamber (15) at intervals.
4. The crushing stirrer for detecting the heavy metal in the food according to claim 2, wherein the inner wall of the accommodating chamber (15) is provided with positioning plates (19) at intervals.
5. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein the upper end of the storage plate (10) is provided with opposite supports (20), the side ends of the supports (20) are connected with clamping plates (22) through springs (21), and the clamping plates (22) on the two sides are oppositely arranged on the two sides of the open cup (11).
6. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein a sliding seat (23) is arranged at the lower end of the object placing plate (10), the sliding seat (23) is in threaded connection with a transmission screw (24) in the base (1), and the transmission screw (24) is in transmission connection with a driving motor (25).
7. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein the stirring tank (2) is detachably arranged at the upper end of the base (1).
8. The smashing stirrer for detecting heavy metal in food according to claim 7, wherein a storage groove matched with the lower portion of the stirring tank (2) is formed in the upper end of the base (1), a positioning screw (26) is arranged on the base (1), the positioning screw (26) penetrates through a positioning seat (27) arranged on the side wall of the stirring tank (2), and a nut used for fixing the positioning seat (27) is arranged on the positioning screw (26).
9. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein an openable upper cover (28) is arranged at the upper end of the stirring tank (2), and the stirring motor (3) is arranged on the upper cover (28).
10. The crushing stirrer for detecting the heavy metal in the food according to claim 1, wherein a bin gate (29) is arranged at the open end of the material chamber on the outer wall of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250691.6A CN111397982A (en) | 2020-04-01 | 2020-04-01 | Food heavy metal detects with smashing agitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250691.6A CN111397982A (en) | 2020-04-01 | 2020-04-01 | Food heavy metal detects with smashing agitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111397982A true CN111397982A (en) | 2020-07-10 |
Family
ID=71429421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010250691.6A Pending CN111397982A (en) | 2020-04-01 | 2020-04-01 | Food heavy metal detects with smashing agitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111397982A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505032A (en) * | 2020-12-10 | 2021-03-16 | 厦门禾堂餐饮企业管理有限公司 | Food intellectual detection system device |
| CN113049582A (en) * | 2021-06-02 | 2021-06-29 | 天津海关动植物与食品检测中心 | Efficient detection device and method for heavy metal ions in food |
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| JPH0188801U (en) * | 1987-12-03 | 1989-06-12 | ||
| JP2002183829A (en) * | 2000-12-11 | 2002-06-28 | Fuji Electric Co Ltd | Cup capping device for cup type automatic vending machine, and capping method thereof |
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| CN204196486U (en) * | 2014-11-07 | 2015-03-11 | 宁波杰欣纸制品有限公司 | Be convenient to the card holder being named sheet |
| CN206945398U (en) * | 2017-07-07 | 2018-01-30 | 四川农业大学 | A kind of novel foodstuff detection means |
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-
2020
- 2020-04-01 CN CN202010250691.6A patent/CN111397982A/en active Pending
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|---|---|---|---|---|
| JPS63197801U (en) * | 1987-06-04 | 1988-12-20 | ||
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| TWM476629U (en) * | 2014-01-07 | 2014-04-21 | Bingotimes Digital Technology Co Ltd | Physical card dispensing and retrieving device |
| CN204196486U (en) * | 2014-11-07 | 2015-03-11 | 宁波杰欣纸制品有限公司 | Be convenient to the card holder being named sheet |
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| 虞璜: "《铝制化工设备设计》", 31 March 1989, 上海科学技术出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505032A (en) * | 2020-12-10 | 2021-03-16 | 厦门禾堂餐饮企业管理有限公司 | Food intellectual detection system device |
| CN113049582A (en) * | 2021-06-02 | 2021-06-29 | 天津海关动植物与食品检测中心 | Efficient detection device and method for heavy metal ions in food |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200710 |
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| RJ01 | Rejection of invention patent application after publication |