CN116223113A - Food and drug detection sampling equipment and sampling method thereof - Google Patents
Food and drug detection sampling equipment and sampling method thereof Download PDFInfo
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- CN116223113A CN116223113A CN202310266340.8A CN202310266340A CN116223113A CN 116223113 A CN116223113 A CN 116223113A CN 202310266340 A CN202310266340 A CN 202310266340A CN 116223113 A CN116223113 A CN 116223113A
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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
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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
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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Abstract
The invention relates to the technical field of food and medicine detection equipment and discloses food and medicine detection sampling equipment and a sampling method thereof, which are used for knowing and judging the sanitary quality of food and medicine, detecting food and medicine, uniformly mixing crushed food or medicine with a reagent in the detection process, and detecting mixed liquid.
Description
Technical Field
The invention relates to the technical field of food and drug detection equipment, in particular to food and drug detection sampling equipment and a food and drug detection sampling method.
Background
In order to know and judge the sanitary quality of foods and medicines, foods and medicines are usually required to be detected, and in the detection process, the foods or medicines are crushed and then are uniformly mixed with the reagents by means of some reagents, and then the mixed liquid is detected;
when the existing sampling equipment mixes food or medicine with detection reagent, the reagent is in powder form, is easy to agglomerate in the throwing process, floats on the upper layer of the mixed solution, and when the mixing is carried out, the quantity of the reagent actually participating in the reaction is less than the quantity of the reagent added, so that the error of the detection result is increased.
Disclosure of Invention
The invention provides food and drug detection sampling equipment and a sampling method thereof, which solve the technical problem of increased detection result error caused by uneven mixing of reagents and foods or drugs in the related technology.
The invention provides food and medicine detection sampling equipment, which comprises a tank body, wherein a stirring shaft is arranged in the middle of the tank body, a transmission assembly and a hopper are arranged at the upper part of the tank body, a discharging pipe is arranged at the lower part of the tank body, a stirring assembly is arranged at the output end of the transmission assembly, the stirring shaft is vertically arranged, and the upper end of the stirring shaft is connected with the output end of the transmission assembly;
the stirring assembly comprises a mounting plate which is radially and horizontally arranged along the stirring shaft, a first plate and a second plate are connected to the lower end face of the mounting plate in a sliding mode through a sliding block, an elastic block is arranged on the side face, close to each other, of the first plate and the second plate, the discharging end of the leakage hopper is communicated to the upper portion of the first plate and the upper portion of the second plate, an adjusting assembly matched with the transmission assembly is arranged on the mounting plate, when the stirring shaft rotates, the transmission assembly drives the stirring assembly to coaxially rotate with the stirring shaft, and the transmission assembly drives the first plate and the second plate to alternately reciprocate through the adjusting assembly.
Further, the transmission assembly is installed in the mounting disc on jar body upper portion including rotating, the lower terminal surface of mounting disc rotates and is connected with sun gear and planet wheel, the equiangular setting of planet wheel is in the outside of sun gear, and the planet wheel all meshes with the sun gear, jar internal wall corresponds the high ring gear of installing of sun gear, the planet wheel all meshes with the ring gear, and the middle part of planet wheel is connected with the interior axle, interior axle and the coaxial setting of planet wheel, and interior axle is the hollow shaft, the upper end of interior axle runs through the planet wheel and is connected with the mounting disc, the lower extreme and the mounting panel fixed connection of interior axle, the weeping hole has all been seted up to the position of corresponding interior axle on mounting disc and the mounting panel, the weeping hole corresponds the lower extreme of weeping hopper and the clearance between first board and the second board respectively.
Further, the adjusting part is including the outer axle of suit in the interior outside of axle, the upper end and the planet wheel coaxial coupling that corresponds of outer axle, and the cam is installed to the lower extreme of outer axle, the fixed plate is installed to the up end symmetry of mounting panel, all run through on the fixed plate and be provided with spacing post, the cover is equipped with the spring on the spacing post, and the one end installation regulating plate of spacing post, the spring is used for maintaining the relative position of regulating plate and fixed plate, the regulating plate sets up in the both sides of cam, the connecting axle is all installed to the up end of first board and second board, the connecting axle upper end runs through the mounting panel and is connected with corresponding regulating plate, the through groove of restriction connecting axle has been seted up on the mounting panel, when the cam rotates, promote the regulating plate to the fixed plate removal that corresponds.
Further, the cylinder is installed to the one end that the mounting panel is close to jar body middle part, and the cylinder passes through the installation axle and rotates with the mounting panel to be connected, and the brush hair has been arranged along radial direction to the cylinder outer wall, and the position that is close to the installation axle on the mounting panel rotates and connects the transmission shaft, and the second gear is connected through the mounting panel to the tip of installation axle, and the first gear of tip installation of transmission shaft, first gear and second gear intermeshing, outer axle pass through the belt and drive shaft transmission and even the unit Ji, and the position that corresponds the belt on outer axle and the transmission shaft all is provided with the band pulley.
Further, the mounting plate is also provided with a cleaning assembly for cleaning bristles, and when the first plate and the second plate alternately reciprocate, the cleaning assembly intermittently swings toward a gap between the first plate and the second plate.
Further, the cleaning assembly comprises a long strip plate, the long strip plate is rotationally connected with the mounting plate through an adjusting shaft, scraping teeth are arranged on one side of the mounting plate, which faces the roller, at equal intervals, a torsion spring is arranged on the adjusting shaft, a deflector rod is arranged on the upper end face of the first plate, the deflector rod is mutually perpendicular to the first plate, an adjusting rod is arranged at the position, corresponding to the deflector rod, of the adjusting shaft, the adjusting rod is in lap joint with the end part of the deflector rod, and the deflector rod is in contact with one side, which faces the roller, of the adjusting rod.
Further, the riser is all installed to the lower terminal surface of first board and second board, and the riser is vertical to be set up, and the riser is towards the middle part of the jar body, installs the swash plate on the riser, the lower extreme of swash plate towards the middle part of the jar body.
Further, the inclined hole has been seted up to one side that the second board is close to jar body middle part, and the terminal of inclined hole is towards the middle part of first board and the relative face of second board, and one side that first board and second board are close to jar body middle part inclines to the outside of cylinder, and the second board is in the part in the cylinder outside and is circular-arc.
Further, a driving motor is arranged at the lower part of the tank body, an output shaft of the driving motor is connected with the lower end of the stirring shaft, and stirring blades are distributed on the outer wall of the stirring shaft in an equidistant circumferential array.
A sampling method for the food and drug detection sampling equipment comprises the following steps:
s1: crushing food or medicine to be detected;
s2: adding the crushed food or medicine in the step S1 into a tank body, and adding a detection reagent into the tank body;
s3: fully stirring the mixture in the tank body in the step S2, and standing after uniformly mixing;
s4: taking supernatant liquid after standing for detection, and recording detection results.
The invention has the beneficial effects that:
according to the food and medicine detection sampling equipment provided by the invention, the hopper is connected with the stirring assembly, when the stirring assembly is driven by the transmission assembly to stir the mixture in the tank body, food or medicine powder and reagent can be added to each part in the tank body while stirring, the first plate and the second plate are connected with the mounting plate in a sliding manner, the transmission assembly is utilized to drive the first plate and the second plate to reciprocate alternately, the food or medicine powder and the caking matters generated during the reagent addition can be crushed while stirring, the food or medicine which is not crushed completely is further crushed, the roller and the brush hair are arranged, the roller is connected with the transmission assembly through the adjusting assembly, and when the stirring assembly stirs the mixture in the tank body, the roller can be driven to rotate, the powder caking matters captured by the brush hair can be conveyed to the first plate and the second plate in time, so that the possibility of the reagent or the food and the medicine caking matters is reduced, the mixing efficiency is accelerated, and the accuracy of detection results is improved.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a cross-sectional view of the can of the present invention;
FIG. 3 is a top view of the transmission assembly of the present invention;
FIG. 4 is a schematic view of the stirring assembly of the present invention in a stirring state;
FIG. 5 is a top view of the stirring assembly of the present invention;
FIG. 6 is a schematic view of the positional relationship of the first plate, the second plate and the drum of the present invention;
FIG. 7 is a schematic elevational view of the stirring assembly of the present invention;
FIG. 8 is a schematic view of the rear structure of the stirring assembly of the present invention;
FIG. 9 is an enlarged schematic view of the cleaning assembly of the present invention.
In the figure: 1. a tank body; 11. a driving motor; 12. a discharge pipe; 13. a stirring shaft; 131. stirring the leaves; 2. a stirring assembly; 21. a mounting plate; 211. a fixing plate; 22. a first plate; 221. a connecting shaft; 23. a second plate; 231. a slide block; 232. inclined holes; 233. a riser; 234. a sloping plate; 24. a roller; 241. a mounting shaft; 242. brushing; 3. a transmission assembly; 31. a mounting plate; 311. a hopper; 32. a sun gear; 33. a planet wheel; 34. an inner gear ring; 4. an adjustment assembly; 41. an inner shaft; 411. an outer shaft; 412. a cam; 413. a belt; 42. an adjusting plate; 43. a limit column; 431. a spring; 44. a transmission shaft; 441. a first gear; 442. a second gear; 5. cleaning the assembly; 51. a long slat; 511. scraping teeth; 52. an adjusting rod; 53. a deflector rod; 54. an adjusting shaft; 541. and (3) a torsion spring.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It is to be understood that these embodiments are merely discussed so that those skilled in the art may better understand and implement the subject matter described herein and that changes may be made in the function and arrangement of the elements discussed without departing from the scope of the disclosure herein. Various examples may omit, replace, or add various procedures or components as desired. In addition, features described with respect to some examples may be combined in other examples as well.
Example 1
As shown in fig. 1-9, a food and drug detection sampling device comprises a tank body 1, a stirring shaft 13 is installed in the middle of the tank body 1, a transmission assembly 3 and a leakage hopper 311 are arranged on the upper portion of the tank body 1, a discharging pipe 12 is arranged on the lower portion of the tank body 1, a stirring assembly 2 is installed at the output end of the transmission assembly 3, the stirring shaft 13 is vertically arranged, the upper end of the stirring shaft 13 is connected with the output end of the transmission assembly 3, the stirring assembly 2 comprises a mounting plate 21 which is radially and horizontally arranged along the stirring shaft 13, a first plate 22 and a second plate 23 are slidably connected to the lower end face of the mounting plate 21 through a sliding block 231, elastic blocks are arranged on the side faces, close to each other, of the first plate 22 and the second plate 23, the discharge end of the leakage hopper 311 is communicated to the upper portion of the first plate 22 and the second plate 23, an adjusting assembly 4 matched with the transmission assembly 3 is arranged on the mounting plate 21, when the stirring shaft 13 rotates, the transmission assembly 3 drives the stirring assembly 2 to coaxially rotate with the stirring shaft 13, and the transmission assembly 3 alternately reciprocates through the adjusting assembly 4.
The transmission assembly 3 comprises a mounting plate 31 rotatably mounted on the upper portion of the tank body 1, the lower end face of the mounting plate 31 is rotatably connected with a sun gear 32 and a planet gear 33, the planet gears 33 are equiangularly arranged on the outer side of the sun gear 32, the planet gears 33 are meshed with the sun gear 32, an inner gear ring 34 is mounted on the inner wall of the tank body 1 corresponding to the height of the sun gear 32, the planet gears 33 are meshed with the inner gear ring 34, an inner shaft 41 is connected with the middle portion of the planet gears 33, the inner shaft 41 and the planet gears 33 are coaxially arranged, the inner shaft 41 is a hollow shaft, the upper end of the inner shaft 41 penetrates through the planet gears 33 and is connected with the mounting plate 31, the lower end of the inner shaft 41 is fixedly connected with the mounting plate 21, leakage holes are formed in positions, corresponding to the inner shaft 41, on the mounting plate 21, of the leakage hopper 311 and gaps between the first plate 22 and the second plate 23 are respectively corresponding to the lower end of the leakage hopper 311.
The adjusting component 4 comprises an outer shaft 411 sleeved outside the inner shaft 41, the upper end of the outer shaft 411 is coaxially connected with the corresponding planet wheel 33, a cam 412 is installed at the lower end of the outer shaft 411, a fixing plate 211 is symmetrically installed on the upper end face of the mounting plate 21, limiting columns 43 are arranged on the fixing plate 211 in a penetrating mode, springs 431 are sleeved on the limiting columns 43, an adjusting plate 42 is installed at one end of each limiting column 43, the springs 431 are used for maintaining the relative positions of the adjusting plate 42 and the fixing plate 211, the adjusting plates 42 are arranged on two sides of the cam 412, connecting shafts 221 are installed on the upper end faces of the first plate 22 and the second plate 23, the upper ends of the connecting shafts 221 penetrate through the mounting plate 21 and are connected with the corresponding adjusting plates 42, through grooves for limiting the connecting shafts 221 are formed in the mounting plate 21, and when the cams 412 rotate, the adjusting plates 42 are pushed to move towards the corresponding fixing plates 211.
The mounting panel 21 is close to the one end at jar body 1 middle part and installs cylinder 24, cylinder 24 passes through installation axle 241 and is connected with mounting panel 21 rotation, and cylinder 24 outer wall is along radial direction arranging brush hair 242, the position that is close to installation axle 241 on the mounting panel 21 rotates and connects transmission shaft 44, the tip of installation axle 241 runs through mounting panel 21 and connects second gear 442, the tip of transmission shaft 44 installs first gear 441, first gear 441 and second gear 442 intermeshing, outer axle 411 passes through belt 413 and transmission shaft 44 transmission and links the volume Ji, the position that corresponds belt 413 on outer axle 411 and the transmission shaft 44 all is provided with the band pulley.
The mounting plate 21 is also provided with a cleaning assembly 5. The cleaning assembly 5 is used for cleaning bristles 242. The cleaning assembly 5 intermittently swings towards the gap between the first plate 22 and the second plate 23 when the first plate 22 and the second plate 23 alternately reciprocate.
The cleaning assembly 5 comprises a long strip plate 51, the long strip plate 51 is rotationally connected with the mounting plate 21 through an adjusting shaft 54, scraping teeth 511 are arranged on one side, facing the roller 24, of the mounting plate 21 at equal intervals, a torsion spring 531 is arranged on the adjusting shaft 54, a deflector rod 53 is arranged on the upper end face of the first plate 22, the deflector rod 53 is mutually perpendicular to the first plate 22, an adjusting rod 52 is arranged on the adjusting shaft 54 corresponding to the deflector rod 53, the end part of the deflector rod 53 is overlapped with the adjusting rod 52, and the deflector rod 53 of the adjusting rod 52 contacts one side, facing the roller 24.
The riser 233 is all installed to the lower terminal surface of first board 22 and second board 23, and riser 233 is vertical to be set up, and riser 233 is towards the middle part of jar body 1, installs swash plate 234 on the riser 233, and the lower extreme of swash plate 234 is towards the middle part of jar body 1.
The second plate 23 is close to one side of the middle part of the tank body 1 and is provided with an inclined hole 232, the tail end of the inclined hole 232 faces the middle part of the opposite surfaces of the first plate 22 and the second plate 23, one side of the first plate 22 and the second plate 23 close to the middle part of the tank body 1 inclines to the outer side of the roller 24, and the part of the second plate 23 located on the outer side of the roller 24 is arc-shaped.
The lower part of the tank body 1 is provided with a driving motor 11, an output shaft of the driving motor 11 is connected with the lower end of the stirring shaft 13, and stirring blades 131 are distributed on the outer wall of the stirring shaft 13 in an equidistant circumferential array.
Example two
In this embodiment, a sampling method of the food and drug detection sampling device is provided, which comprises the following steps:
s1: crushing food or medicine to be detected;
s2: adding the crushed food or medicine in the step S1 into the tank body 1, and adding a detection reagent into the tank body 1;
s3: fully stirring the mixture in the tank body 1 in the step S2, and standing after uniformly mixing;
s4: taking supernatant liquid after standing for detection, and recording detection results.
The specific workflow of the food and drug detection sampling device is as follows:
firstly, food or medicine to be detected is primarily crushed, a driving motor 11 is started, a liquid reagent is added into a tank body 1, and solid crushed materials and solid reagents are added into different hopper 311;
in order to ensure that the powdered reagent is fully mixed with the liquid reagent and the food or medicine crushed material, in the practical implementation, the upper part of the roller 24 needs to be kept higher than the liquid level of the liquid in the tank 1 so that the powder agglomerate floating on the surface of the liquid can be captured and crushed;
after the material is added into the hopper 311, as the inner shaft 41 is a hollow shaft, and the lower end of the inner shaft 41 is opposite to the gap between the first plate 22 and the second plate 23, the material falls between the first plate 22 and the second plate 23 under the action of gravity;
the driving motor 11 drives the stirring shaft 13 to rotate, and the stirring shaft 13 drives the stirring blade 131 to stir the middle part of the tank body 1;
meanwhile, the stirring shaft 13 drives the sun gear 32 to rotate, the sun gear 32 drives the planet gears 33 to rotate along the annular gear 34, the planet gears 33 are limited by the annular gear 34 and the sun gear 32 and rotate, and the mounting plate 31 is driven to rotate through the inner shaft 41;
when the planetary gears 33 revolve, the stirring assembly 2 is driven to integrally rotate in the tank body 1 through the inner shaft 41, and materials outside the stirring blades 131 in the tank body 1 are stirred so as to be fully mixed with the reagent, and the materials and the actual materials are put into various positions in the tank body 1, so that the mixing efficiency of the materials, the actual liquid and the powdery reagent is improved;
moreover, the inclined plates 234 arranged on the vertical plates 233 at the lower parts of the first plate 22 and the second plate 23 can be obliquely contacted with the liquid in the tank body 1, so that the flow direction of the liquid in the tank body 1 is adjusted, the liquid at the lower part of the tank body 1 can be stirred upwards, the full mixing and reaction of various materials and reagents in the tank body 1 are facilitated, in the process of rotating the stirring assembly 2, the liquid arranged in the tank body 1 can flow between the first plate 22 and the second plate 23 through the inclined holes 232 formed at the position, close to the middle part of the tank body 1, of the second plate 23, and the materials or the reagents crushed by the first plate 22 and the second plate 23 are washed outwards;
when the planet wheel 33 rotates, the cam 412 is driven to rotate by the outer shaft 411, after the cam 412 contacts with the adjusting plate 42, the adjusting plate 42 is pushed to move towards the corresponding fixed plate 211, the adjusting plate 42 drives the first plate 22 or the second plate 23 to move, the adjusting plate 42 extrudes the spring 431 to deform, when the adjusting plate 42 moves to the position closest to the corresponding fixed plate 211, the spring 431 gradually recovers and pushes the adjusting plate 42 to move reversely along with the continuous rotation of the cam 412, in the process, the adjusting plate 42 drives the first plate 22 or the second plate 23 to reciprocate, and as the two groups of adjusting plates 42 are respectively arranged on two sides, in the rotating process of the cam 412, the first plate 22 and the second plate 23 can be driven to alternately move, and materials are continuously rubbed by elastic blocks arranged on the first plate 22 and the second plate 23, so that the materials are further crushed;
meanwhile, the rotating outer shaft 411 drives the transmission shaft 44 on the mounting plate 21 to rotate through the cooperation of the belt pulley and the belt 413, and drives the mounting shaft 241 to rotate through the cooperation of the first gear 441 and the second gear 442 on the transmission shaft 44, and the mounting shaft 241 drives the roller 24 to rotate, so that soft agglomerates captured by the bristles 242 are continuously conveyed between the first plate 22 and the second plate 23;
when the roller 24 rotates in the tank 1 along with the stirring assembly 2, powder agglomerates suspended in the tank 1 can be pierced by the bristles 242 when contacting the bristles 242 arranged on the roller 24 and are connected with the bristles 242 in series, when the roller 24 drives the bristles 242 to rotate to an angle opposite to the central axis of the tank 1, the powder agglomerates can further approach the root of the bristles 242 under the action of centrifugal force when the stirring assembly 2 rotates integrally, and when the roller 24 drives the bristles 242 to rotate continuously, the bristles 242 are blocked and left by the scraping teeth 511 after contacting the scraping teeth 511, and the bristles 242 rotate to the arc surface of the second plate 23 again after being cleaned by the scraping teeth 511, so that the powder agglomerates are captured again;
in the reciprocating motion process of the first plate 22 and the second plate 23, the deflector rod 53 arranged on the first plate 22 pushes the adjusting rod 52 to drive the long plate 51 to rotate along the axle center of the adjusting shaft 54, the torsion spring 531 is twisted when the adjusting shaft 54 rotates, when the end part of the deflector rod 53 passes through the adjusting rod 52 due to overlarge rotating angle of the adjusting rod 52, the torsion spring 531 drives the adjusting shaft 54 to reversely rotate, the adjusting shaft 54 drives the long plate 51 to rapidly rotate towards the gap between the first plate 22 and the second plate 23, and powder agglomerates are thrown towards the gap between the first plate 22 and the second plate 23, so that the powder agglomerates are crushed conveniently;
when the first plate 22 and the second plate 23 reciprocate, the vertical plate 233 provided on the lower end surfaces of the first plate 22 and the second plate 23 reciprocates along with the first plate 22 or the second plate 23, and agitates the area of the lower part of the tank 1.
The embodiment has been described above with reference to the embodiment, but the embodiment is not limited to the above-described specific implementation, which is only illustrative and not restrictive, and many forms can be made by those of ordinary skill in the art, given the benefit of this disclosure, are within the scope of this embodiment.
Claims (10)
1. The food and drug detection sampling equipment is characterized by comprising a tank body (1), wherein a stirring shaft (13) is arranged in the middle of the tank body (1), a transmission assembly (3) and a hopper (311) are arranged on the upper part of the tank body (1), a discharging pipe (12) is arranged on the lower part of the tank body (1), the output end of the transmission assembly (3) is provided with the stirring assembly (2), the stirring shaft (13) is vertically arranged, and the upper end of the stirring shaft (13) is connected with the output end of the transmission assembly (3);
the stirring assembly (2) comprises a mounting plate (21) which is radially and horizontally arranged along the stirring shaft (13), the lower end face of the mounting plate (21) is slidably connected with a first plate (22) and a second plate (23) through a sliding block (231), an elastic block is arranged on the side face, close to each other, of the first plate (22) and the second plate (23), the discharge end of the hopper (311) is communicated to the upper parts of the first plate (22) and the second plate (23), an adjusting assembly (4) which is matched with the transmission assembly (3) is arranged on the mounting plate (21), when the stirring shaft (13) rotates, the transmission assembly (3) drives the stirring assembly (2) to coaxially rotate with the stirring shaft (13), and the transmission assembly (3) drives the first plate (22) and the second plate (23) to alternately reciprocate through the adjusting assembly (4).
2. The food and drug detection sampling device according to claim 1, wherein the transmission assembly (3) comprises a mounting plate (31) rotatably mounted on the upper portion of the tank body (1), the lower end face of the mounting plate (31) is rotatably connected with a sun gear (32) and a planet gear (33), the planet gear (33) is arranged on the outer side of the sun gear (32) in an equiangular manner, the planet gears (33) are meshed with the sun gear (32), an inner gear ring (34) is mounted on the inner wall of the tank body (1) corresponding to the height of the sun gear (32), the planet gears (33) are meshed with the inner gear ring (34), an inner shaft (41) is connected with the middle portion of the planet gear (33), the inner shaft (41) and the planet gear (33) are coaxially arranged, the inner shaft (41) is a hollow shaft, the upper end of the inner shaft (41) penetrates through the planet gear (33) and is connected with the mounting plate (31), the lower end of the inner shaft (41) and the mounting plate (21) are fixedly connected, the positions of the mounting plate (31) and the corresponding inner shaft (41) are provided with leak holes, and the leak holes are respectively corresponding to the positions between the lower ends of the leak hopper (311) and the first plate (22) and the second plate (23).
3. The food and drug detection sampling device according to claim 2, wherein the adjusting component (4) comprises an outer shaft (411) sleeved outside the inner shaft (41), the upper end of the outer shaft (411) is coaxially connected with the corresponding planet wheel (33), the lower end of the outer shaft (411) is provided with a cam (412), the upper end face of the mounting plate (21) is symmetrically provided with a fixing plate (211), the fixing plate (211) is provided with limiting columns (43) in a penetrating manner, the limiting columns (43) are sleeved with springs (431), one ends of the limiting columns (43) are provided with adjusting plates (42), the springs (431) are used for maintaining the relative positions of the adjusting plates (42) and the fixing plates (211), the adjusting plates (42) are arranged on two sides of the cam (412), the upper end faces of the first plate (22) and the second plate (23) are provided with connecting shafts (221), the upper ends of the connecting shafts (221) penetrate through the mounting plate (21) to be connected with the corresponding adjusting plates (42), the mounting plate (21) are provided with through grooves for limiting the connecting shafts (221), and when the cam (412) rotates, the adjusting plates (42) are pushed to move towards the corresponding fixing plates (211).
4. A food and drug detection sampling device according to claim 3, characterized in that the mounting plate (21) is provided with a roller (24) near one end of the middle part of the tank body (1), the roller (24) is rotationally connected with the mounting plate (21) through a mounting shaft (241), bristles (242) are arranged on the outer wall of the roller (24) along the radial direction, a transmission shaft (44) is rotationally connected to the mounting plate (21) near the mounting shaft (241), the end part of the mounting shaft (241) penetrates through the mounting plate (21) to be connected with a second gear (442), a first gear (441) is arranged at the end part of the transmission shaft (44), the first gear (441) is meshed with the second gear (442), the outer shaft (411) is in transmission connection with the transmission shaft (44) through a belt (413), and belt wheels are arranged at positions corresponding to the belt (413) on the outer shaft (411) and the transmission shaft (44).
5. A food and drug testing sampling device according to claim 4, characterized in that the mounting plate (21) is further provided with a cleaning assembly (5), the cleaning assembly (5) being adapted to clean the bristles (242), the cleaning assembly (5) intermittently swinging towards the gap between the first plate (22) and the second plate (23) when the first plate (22) and the second plate (23) are alternately reciprocated.
6. The food and drug detection sampling device according to claim 5, wherein the cleaning assembly (5) comprises a long strip plate (51), the long strip plate (51) is rotationally connected with the mounting plate (21) through an adjusting shaft (54), scraping teeth (511) are arranged on one side of the mounting plate (21) facing the roller (24) at equal intervals, a torsion spring (531) is arranged on the adjusting shaft (54), a deflector rod (53) is arranged on the upper end face of the first plate (22), the deflector rod (53) is perpendicular to the first plate (22), an adjusting rod (52) is arranged on the adjusting shaft (54) corresponding to the position of the deflector rod (53), the end part of the adjusting rod (52) is overlapped with the end part of the deflector rod (53), and the deflector rod (53) of the adjusting rod (52) contacts one side of the roller (24).
7. The food and drug detection sampling device according to claim 6, wherein the lower end surfaces of the first plate (22) and the second plate (23) are respectively provided with a vertical plate (233), the vertical plates (233) are vertically arranged, the vertical plates (233) face the middle part of the tank body (1), the vertical plates (233) are provided with inclined plates (234), and the lower ends of the inclined plates (234) face the middle part of the tank body (1).
8. The food and drug detection sampling device according to claim 7, wherein an inclined hole (232) is formed in one side of the second plate (23) close to the middle of the tank body (1), the tail end of the inclined hole (232) faces the middle of the opposite surface of the first plate (22) and the second plate (23), one side of the first plate (22) and the second plate (23) close to the middle of the tank body (1) is inclined to the outer side of the roller (24), and the part of the second plate (23) located on the outer side of the roller (24) is arc-shaped.
9. The food and drug detection sampling device according to claim 8, wherein a driving motor (11) is installed at the lower part of the tank body (1), an output shaft of the driving motor (11) is connected with the lower end of a stirring shaft (13), and stirring blades (131) are distributed on the outer wall of the stirring shaft (13) in an equidistant circumferential array.
10. A sampling method for the food and drug detection sampling device according to any one of claims 1 to 9, comprising the steps of:
s1: crushing food or medicine to be detected;
s2: adding the crushed food or medicine in the step S1 into the tank body 1, and adding a detection reagent into the tank body 1;
s3: fully stirring the mixture in the tank body 1 in the step S2, and standing after uniformly mixing;
s4: taking supernatant liquid after standing for detection, and recording detection results.
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