CN113607523A - Sample processing device and method for food safety detection - Google Patents
Sample processing device and method for food safety detection Download PDFInfo
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- CN113607523A CN113607523A CN202110899867.5A CN202110899867A CN113607523A CN 113607523 A CN113607523 A CN 113607523A CN 202110899867 A CN202110899867 A CN 202110899867A CN 113607523 A CN113607523 A CN 113607523A
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- cavity
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- liquid
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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
- G01N1/28—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
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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
- G01N1/28—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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- 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
- G01N2001/2873—Cutting or cleaving
Abstract
The invention relates to the technical field of food detection, and discloses a sample processing device for food safety detection and a processing method thereof. According to the invention, the setting of the positioner is utilized to drive the base to descend by utilizing the self gravity of the mixed raw material, after the mixed raw material descends to a designated position, the magnetic piston is driven to move and be adsorbed with the magnetic part by the heteropolar attraction principle of the magnetic material, so that the function of fixing the base is achieved, meanwhile, the movement of the magnetic piston can extrude the gas on one side of the magnetic piston in the positioner into the moving cavity I and the moving cavity II, so that the material baffle plate and the liquid baffle plate move, the mixed raw material stops entering the mixing cavity, and the function of quantitative mixing is realized.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a sample processing device for food safety detection and a processing method thereof.
Background
Food detection refers to the study and assessment of food quality and changes thereof, and comprises sensory detection of food, detection of nutritional ingredients, additives and harmful substances in food, and the like.
Current preprocessing device smashes the back with food sample and carries out mixing process again, obtain mixed liquid at last, and then make things convenient for subsequent detection, but current preprocessing device receives the restriction of self structure, can not accomplish the ration and mix, often need the feeding volume in the operating personnel control mixing chamber, thereby the volume of control mixed liquid, but do so and lead to the volume of mixed liquid inaccurate, and then influence follow-up testing result, current preprocessing mixing arrangement stirs the mixture through the puddler mostly, but so, when mixing, the bubble appears in the mixed liquid very easily, these bubbles can lead to the fact the influence to the stirring effect.
Disclosure of Invention
Aiming at the defects of the conventional food sample pretreatment device in the background art in the using process, the invention provides a sample treatment device for food safety detection and a treatment method thereof, which have the advantages of quantitative mixing and improved mixing effect and solve the technical problems in the background art.
The invention provides the following technical scheme: a sample processing device for food safety detection comprises a main body, wherein a blade motor is fixedly arranged on the upper surface of the main body, an output shaft of the blade motor is fixedly connected with a rotating shaft of a crushing blade, the crushing blade is slidably arranged in a crushing cavity, the crushing cavity is arranged in the main body, a mixing cavity is arranged in the main body and below the crushing cavity, the mixing cavity is communicated with the crushing cavity, a moving cavity I is arranged at the communicating position, a baffle plate is slidably arranged in the moving cavity I, a base is slidably arranged in the mixing cavity, a stirring rod is movably arranged on the upper surface of the base, a rotating shaft of the stirring rod is fixedly connected with an output shaft of a stirring motor, the stirring motor is fixedly arranged on the lower surface of the base, a liquid inlet pipe is communicated with the left side of the mixing cavity, and the liquid inlet pipe is fixedly arranged in the main body, a moving cavity II is formed in the side face of the liquid inlet pipe, liquid blocking plates are slidably mounted in the moving cavity II, sliding cavities are formed in the two sides of the mixing cavity in the main body, the number of the sliding cavities is two, magnetic parts are slidably mounted in the two sliding cavities, the lower surfaces of the magnetic parts are fixedly connected with one ends of compression springs, the other ends of the compression springs are fixedly connected with the bottom surface of the sliding cavity, positioners are slidably mounted on one sides of the sliding cavities in the main body, the number of the positioners is two, magnetic pistons are slidably mounted in the two positioners, one sides of the magnetic pistons are fixedly connected with one ends of tension springs, the other ends of the tension springs are fixedly connected with the inner wall of the positioners, and cavities in the two positioners, which are located on one sides of the magnetic pistons, are communicated with a hose I, the quantity of hose is two the hose respectively with remove chamber I, remove II intercommunications in the chamber, two the cavity that lies in the magnetic piston opposite side in the locator all communicates with hose II, the quantity of hose II is two hose II all communicates with the hybrid chamber.
Preferably, two sides of the base are made of magnetic materials and attract the opposite poles of the magnetic pieces.
Preferably, the magnetic member is opposite-pole-attracted to the magnetic piston.
Preferably, the upper surface of the main body is fixedly provided with a feed inlet, and the feed inlet is communicated with the crushing cavity.
Preferably, the main body is provided with a placing cavity at a position below the mixing cavity, and the placing cavity is connected with the stirring motor in a sliding manner.
Preferably, a sealing cover is fixedly arranged at one end of the moving cavity I.
A method of processing a sample processing device for food safety testing, comprising the steps of:
firstly, starting a blade motor and a stirring motor, and enabling a crushing blade and a stirring rod to start to rotate;
secondly, putting a food sample to be detected into the crushing cavity from the feeding hole, and cutting and crushing the food sample by a rotary crushing blade;
thirdly, after the crushing is finished, opening a sealing cover, moving a material baffle plate rightwards, enabling the crushed materials to enter a mixing cavity, simultaneously inputting liquid to be mixed from a liquid inlet pipe, and then closing the sealing cover;
fourthly, the crushed materials and the liquid entering the mixing cavity are stirred and mixed by the stirring rod, and meanwhile, the crushed materials and the liquid gradually enter the mixing cavity and fall onto the base, so that the base moves downwards, and the magnetic part synchronously moves downwards;
fifthly, when the base moves to the position of the positioner, the magnetic piece and the magnetic piston attract each other, so that the base stops descending;
sixthly; in the process that the magnetic piston is attracted to move, gas on one side of the magnetic piston is extruded and conveyed into the moving cavity I and the moving cavity II through the hose I, the material baffle plate and the liquid baffle plate move to further prevent the crushing cavity and the liquid inlet pipe from conveying materials, and meanwhile, the magnetic piston can extract gas above mixed liquid in the mixing cavity through the hose II to enable the inside of the mixing cavity to generate a negative pressure space;
and step seven, after the mixing is finished, opening the sealing cover, closing the blade motor and the stirring motor, and taking out the mixed liquid.
The invention has the following beneficial effects:
1. according to the invention, the setting of the positioner is utilized to drive the base to descend by utilizing the self gravity of the mixed raw material, after the mixed raw material descends to a designated position, the magnetic piston is driven to move and be adsorbed with the magnetic part by the heteropolar attraction principle of the magnetic material, so that the function of fixing the base is achieved, meanwhile, the movement of the magnetic piston can extrude the gas on one side of the magnetic piston in the positioner into the moving cavity I and the moving cavity II, so that the material baffle plate and the liquid baffle plate move, the mixed raw material stops entering the mixing cavity, and the function of quantitative mixing is realized.
2. According to the invention, through the arrangement of the magnetic piston, the gas in the mixing cavity is sucked into the positioner through the hose II in the moving process of the magnetic piston, so that a negative pressure space is generated inside the mixing cavity, and further, bubbles generated in the mixing process of the solid raw material and the liquid raw material are easier to escape, and the mixing effect is improved.
Drawings
FIG. 1 is a diagram illustrating an initial state of the structure of the present invention;
FIG. 2 is a diagram illustrating the non-operational state of the structural positioner of the present invention;
FIG. 3 is an enlarged view of a portion of the structure shown in FIG. 2;
FIG. 4 is a diagram of the operation of the structural positioner of the present invention.
In the figure: 1. a main body; 2. a blade motor; 3. a crushing blade; 4. a grinding chamber; 5. a mixing chamber; 6. a moving cavity I; 7. a striker plate; 8. a base; 9. a stirring rod; 10. a stirring motor; 11. a liquid inlet pipe; 12. a moving cavity II; 13. a liquid baffle; 14. a sliding cavity; 15. a magnetic member; 16. a compression spring; 17. a positioner; 18. a magnetic piston; 19. a tension spring; 20. a hose I; 21. and a hose II.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a sample processing device for food safety detection comprises a main body 1, a blade motor 2 is fixedly installed on the upper surface of the main body 1, an output shaft of the blade motor 2 is fixedly connected with a rotating shaft of a crushing blade 3, the crushing blade 3 is slidably installed in a crushing cavity 4, the crushing cavity 4 is opened in the main body 1, a feed inlet is fixedly installed on the upper surface of the main body 1 and is communicated with the crushing cavity 4, a mixing cavity 5 is opened in the main body 1 at a position below the crushing cavity 4, the mixing cavity 5 is communicated with the crushing cavity 4, a moving cavity i 6 is opened at the communication position, a sealing cover is fixedly installed at one end of the moving cavity i 6, a material baffle plate 7 is slidably installed in the moving cavity i 6, a base 8 is slidably installed in the mixing cavity 5, two sides of the base 8 are made of magnetic materials, and a stirring rod 9 is movably installed on the upper surface of the base 8, the rotating shaft of the stirring rod 9 is fixedly connected with the output shaft of the stirring motor 10, the stirring motor 10 is fixedly installed on the lower surface of the base 8, a placing cavity is formed in the lower position of the mixing cavity 5 inside the main body 1, the placing cavity is connected with the stirring motor 10 in a sliding manner, the left side of the mixing cavity 5 is communicated with a liquid inlet pipe 11, the liquid inlet pipe 11 is fixedly installed inside the main body 1, a moving cavity II 12 is formed in the side surface of the liquid inlet pipe 11, a liquid baffle plate 13 is installed inside the moving cavity II 12 in a sliding manner, sliding cavities 14 are formed in the two sides of the mixing cavity 5 inside the main body 1, the number of the sliding cavities 14 is two, magnetic parts 15 are installed inside the two sliding cavities 14 in a sliding manner, the opposite poles of the two sides of the magnetic parts 15 and the base 8 are attracted, the lower surface of the magnetic parts 15 is fixedly connected with one end of a compression spring 16, the other end of the compression spring 16 is fixedly connected with the bottom surface of the sliding cavity 14, the two positioners 17 are slidably mounted on one side of a sliding cavity 14 in the main body 1, the two positioners 17 are arranged, magnetic pistons 18 are slidably mounted in the two positioners 17, opposite poles of magnetic pieces 15 and the magnetic pistons 18 are attracted, one side of each magnetic piston 18 is fixedly connected with one end of a tension spring 19, the other end of each tension spring 19 is fixedly connected with the inner wall of the positioner 17, two cavities on one side of each magnetic piston 18 in the two positioners 17 are communicated with a hose I20, the two hoses 20 are respectively communicated with a moving cavity I6 and a moving cavity II 12, two cavities on the other side of each magnetic piston 18 in the two positioners 17 are communicated with a hose II 21, the two hoses II 21 are communicated with a mixing cavity 5, and a blade motor 2 drives a crushing blade 3 to rotate, so that materials in the crushing cavity 4 are crushed, after the crushing is finished, the sealing cover is opened, the material baffle plate 7 moves rightwards, the crushed material enters the mixing cavity 5, the liquid to be mixed is input from the liquid inlet pipe 11, then the sealing cover is closed, the crushed material entering the mixing cavity 5 and the liquid to be mixed are stirred and mixed by the rotating stirring rod 9, meanwhile, the crushed material and the liquid gradually enter the mixing cavity 5 and fall onto the base 8 along with the crushed material and the liquid, the base 8 moves downwards, the magnetic part 15 moves synchronously with the crushed material and the liquid, when the base 8 moves to the position of the positioner 17, the magnetic part 15 and the magnetic piston 18 attract each other, the base 8 stops descending, the function of fixing the base is achieved, in the process that the magnetic piston 18 is attracted and moves, the gas on one side of the gas is extruded by the hose I20 and conveyed into the moving cavity I6 and the moving cavity II 12, and the material baffle plate 7 and the liquid baffle plate 13 move, and then block crushing chamber 4 and feed liquor pipe 11 transported substance material to realize the function that the ration was mixed, magnetism piston 18 can extract the gas that lies in the mixed liquid top in the mixing chamber 5 through hose II 21 simultaneously, makes the inside negative pressure space that produces of mixing chamber 5, thereby makes solid starting material buoyancy increase, makes solid starting material get into the stirring position more easily, makes the mixed effect improve.
A method of processing a sample processing device for food safety testing, comprising the steps of:
firstly, starting a blade motor 2 and a stirring motor 10 to enable a crushing blade 3 and a stirring rod 9 to start rotating;
secondly, putting a food sample to be detected into a crushing cavity 4 from a feeding hole, and cutting and crushing the food sample by a rotary crushing blade 3;
thirdly, after the crushing is finished, opening a sealing cover, moving a material baffle 7 to the right, enabling the crushed materials to enter a mixing cavity 5, simultaneously inputting liquid to be mixed from a liquid inlet pipe 11, and then closing the sealing cover;
fourthly, the crushed materials and the liquid entering the mixing cavity 5 are stirred and mixed by the stirring rod 9, and meanwhile, the crushed materials and the liquid gradually enter the mixing cavity 5 and fall onto the base 8, so that the base 8 moves downwards, and the magnetic part 15 synchronously moves downwards;
fifthly, when the base 8 moves to the position of the positioner 17, the magnetic piece 15 and the magnetic piston 18 attract each other, so that the base 8 stops descending;
sixthly; in the process that the magnetic piston 18 is attracted to move, gas on one side of the magnetic piston is extruded and conveyed into the moving cavity I6 and the moving cavity II 12 through the hose I20, the material baffle plate 7 and the liquid baffle plate 13 are moved, the crushing cavity 4 and the liquid inlet pipe 11 are further prevented from conveying materials, meanwhile, the magnetic piston 18 can extract gas above mixed liquid in the mixing cavity 5 through the hose II 21, and a negative pressure space is generated in the mixing cavity 5;
and seventhly, after the mixing is finished, opening the sealing cover, closing the blade motor 2 and the stirring motor 10, and taking out the mixed liquid.
The use method (working principle) of the invention is as follows:
firstly, the blade motor 2 and the stirring motor 10 start to work, the crushing blade 3 and the stirring rod 9 start to rotate, then a food sample to be detected is put into the crushing cavity 4 from a feed inlet, the food sample is cut and crushed by the rotating crushing blade 3, after the crushing is finished, the sealing cover is opened, the striker plate 7 moves rightwards, the crushed material enters the mixing cavity 5, meanwhile, liquid to be mixed is input from the liquid inlet pipe 11, then, the sealing cover is closed, the crushed material entering the mixing cavity 5 and the liquid to be mixed are stirred and mixed by the rotating stirring rod 9, meanwhile, the crushed material and the liquid gradually enter the mixing cavity 5 and fall onto the base 8 along with the crushed material and the liquid, the base 8 moves downwards, the magnetic piece 15 moves synchronously with the magnetic piece, when the base 8 moves to the position of the positioner 17, the magnetic piece 15 and the magnetic piston 18 attract each other, so that the base 8 stops descending, receive the attraction and the in-process that removes at magnetic piston 18, the gas that will be located self one side passes through the extrusion of hose I20, carry and remove chamber I6 and remove in the chamber II 12, make striker plate 7 and fender liquid board 13 remove, and then block and smash chamber 4 and feed liquor pipe 11 transported substance, magnetic piston 18 can extract the gas that lies in mixed liquid top in the hybrid chamber 5 through hose II 21 simultaneously, make the inside negative pressure space that produces of hybrid chamber 5, thereby make solid raw materials buoyancy increase, make solid raw materials get into the stirring position more easily, improve the mixing effect, after mixing the completion, open sealed lid, close blade motor 2 and agitator motor 10, take out mixed liquid, the above-mentioned device resets, this is a duty cycle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A sample processing device for food safety testing, comprising a body (1), characterized in that: the utility model discloses a crushing machine, including main part (1), upper surface fixed mounting of main part (1) has blade motor (2), the output shaft of blade motor (2) and the pivot fixed connection of crushing blade (3), crushing blade (3) slidable mounting is in smashing chamber (4), it sets up inside main part (1) to smash chamber (4), main part (1) inside is located the position of smashing chamber (4) below and has seted up hybrid chamber (5), hybrid chamber (5) and crushing chamber (4) intercommunication, the intercommunication department has seted up and has moved chamber I (6), the inside slidable mounting that moves chamber I (6) has striker plate (7), the inside slidable mounting of hybrid chamber (5) has base (8), the upper surface movable mounting of base (8) has puddler (9), the pivot and the output shaft fixed connection of agitator motor (10) of puddler (9), the stirring motor (10) is fixedly installed on the lower surface of the base (8), the left side of the mixing cavity (5) is communicated with a liquid inlet pipe (11), the liquid inlet pipe (11) is fixedly installed inside the main body (1), the side surface of the liquid inlet pipe (11) is provided with a moving cavity II (12), the inside of the moving cavity II (12) is slidably installed with a liquid baffle plate (13), the two sides of the inside of the main body (1) located on the mixing cavity (5) are respectively provided with a sliding cavity (14), the number of the sliding cavities (14) is two, the inside of the sliding cavity (14) is respectively slidably installed with a magnetic part (15), the lower surface of the magnetic part (15) is fixedly connected with one end of a compression spring (16), the other end of the compression spring (16) is fixedly connected with the bottom surface of the sliding cavity (14), one side of the inside of the main body (1) located on the sliding cavity (14) is respectively slidably installed with a positioner (17), the quantity of locator (17) is two, two the equal slidable mounting in inside of locator (17) has magnetic piston (18), one side of magnetic piston (18) and the one end fixed connection of tension spring (19), the other end of tension spring (19) and the inner wall fixed connection of locator (17), two the cavity that lies in magnetic piston (18) one side in locator (17) all communicates with hose I (20), the quantity of hose (20) is two hose (20) respectively with remove chamber I (6), remove chamber II (12) intercommunication, two the cavity that lies in magnetic piston (18) opposite side in locator (17) all communicates with hose II (21), the quantity of hose II (21) is two hose II (21) all communicates with hybrid chamber (5).
2. The sample processing device for food safety inspection according to claim 1, wherein: the two sides of the base (8) are made of magnetic materials and attract the opposite poles of the magnetic pieces (15).
3. The sample processing device for food safety inspection according to claim 1, wherein: the magnetic part (15) and the magnetic piston (18) are attracted in different poles.
4. The sample processing device for food safety inspection according to claim 1, wherein: the feeding device is characterized in that a feeding hole is fixedly arranged on the upper surface of the main body (1), and the feeding hole is communicated with the crushing cavity (4).
5. The sample processing device for food safety inspection according to claim 1, wherein: the main part (1) is internally provided with a placing cavity at the position below the mixing cavity (5), and the placing cavity is connected with the stirring motor (10) in a sliding manner.
6. The sample processing device for food safety inspection according to claim 1, wherein: one end of the moving cavity I (6) is fixedly provided with a sealing cover.
7. The processing method of the sample processing device for food safety detection as recited in claim 1, comprising the steps of:
firstly, starting a blade motor (2) and a stirring motor (10) to enable a crushing blade (3) and a stirring rod (9) to start rotating;
secondly, putting a food sample to be detected into the crushing cavity (4) from the feeding hole, and cutting and crushing the food sample by the rotary crushing blade (3);
thirdly, after the crushing is finished, opening a sealing cover, moving a material baffle plate (7) to the right, enabling the crushed material to enter a mixing cavity (5), simultaneously inputting liquid to be mixed from a liquid inlet pipe (11), and then closing the sealing cover;
fourthly, the crushed materials and the liquid entering the mixing cavity (5) are stirred and mixed by the stirring rod (9), and simultaneously, the crushed materials and the liquid gradually enter the mixing cavity (5) and fall onto the base (8), so that the base (8) moves downwards, and the magnetic part (15) synchronously moves downwards;
fifthly, when the base (8) moves to the position of the positioner (17), the magnetic piece (15) and the magnetic piston (18) are mutually attracted, so that the base (8) stops descending;
sixthly; in the process that the magnetic piston (18) is attracted to move, gas on one side of the magnetic piston is extruded and conveyed into the moving cavity I (6) and the moving cavity II (12) through the hose I (20), the material baffle plate (7) and the liquid baffle plate (13) move to further block the crushing cavity (4) and the liquid inlet pipe (11) from conveying materials, meanwhile, the magnetic piston (18) can extract gas above mixed liquid in the mixing cavity (5) through the hose II (21), and a negative pressure space is generated inside the mixing cavity (5);
and seventhly, after the mixing is finished, opening the sealing cover, closing the blade motor (2) and the stirring motor (10), and taking out the mixed liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110899867.5A CN113607523A (en) | 2021-08-06 | 2021-08-06 | Sample processing device and method for food safety detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110899867.5A CN113607523A (en) | 2021-08-06 | 2021-08-06 | Sample processing device and method for food safety detection |
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| Publication Number | Publication Date |
|---|---|
| CN113607523A true CN113607523A (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110899867.5A Pending CN113607523A (en) | 2021-08-06 | 2021-08-06 | Sample processing device and method for food safety detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950712A (en) * | 2023-03-08 | 2023-04-11 | 淄博市产品质量检验研究院 | Sampling device for solid food detection |
-
2021
- 2021-08-06 CN CN202110899867.5A patent/CN113607523A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950712A (en) * | 2023-03-08 | 2023-04-11 | 淄博市产品质量检验研究院 | Sampling device for solid food detection |
| CN115950712B (en) * | 2023-03-08 | 2023-05-09 | 淄博市产品质量检验研究院 | Sampling device for solid food detection |
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