CN116973176A - Automatic sampling device for milk detection - Google Patents
Automatic sampling device for milk detection Download PDFInfo
- Publication number
- CN116973176A CN116973176A CN202311232904.2A CN202311232904A CN116973176A CN 116973176 A CN116973176 A CN 116973176A CN 202311232904 A CN202311232904 A CN 202311232904A CN 116973176 A CN116973176 A CN 116973176A
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- China
- Prior art keywords
- fixedly connected
- shell
- fixed
- milk
- baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 235000013336 milk Nutrition 0.000 title claims abstract description 86
- 239000008267 milk Substances 0.000 title claims abstract description 86
- 210000004080 milk Anatomy 0.000 title claims abstract description 86
- 238000005070 sampling Methods 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 238000005192 partition Methods 0.000 claims abstract description 28
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims description 18
- 238000003860 storage Methods 0.000 claims description 17
- 238000001802 infusion Methods 0.000 claims description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011521 glass Substances 0.000 claims description 5
- 239000010963 304 stainless steel Substances 0.000 claims description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 description 9
- 230000003028 elevating effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 235000013365 dairy product Nutrition 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 206010020649 Hyperkeratosis Diseases 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 235000019197 fats Nutrition 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 235000018102 proteins Nutrition 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 235000013343 vitamin Nutrition 0.000 description 2
- 229940088594 vitamin Drugs 0.000 description 2
- 229930003231 vitamin Natural products 0.000 description 2
- 239000011782 vitamin Substances 0.000 description 2
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 description 1
- 241000283216 Phocidae Species 0.000 description 1
- 108010046377 Whey Proteins Proteins 0.000 description 1
- 102000007544 Whey Proteins Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000021119 whey protein Nutrition 0.000 description 1
- 235000013618 yogurt Nutrition 0.000 description 1
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
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1445—Overpressure, pressurisation at sampling point
- G01N2001/1463—Injector; Air-lift
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic sampling device for milk detection, which belongs to the technical field of milk detection sampling, and comprises a shell, wherein a first partition plate is fixedly connected to the upper end in the shell, a lifting mechanism is arranged at one end of the first partition plate, a peristaltic pump is arranged at one end of the first partition plate, which is far away from the lifting mechanism, an injection mechanism is arranged on the lifting mechanism, a second partition plate is fixedly connected to the lower end of the shell, a rotary test tube rack is arranged at one side of the second partition plate, a lithium battery is fixedly connected to the bottom wall in the shell, and a liquid flowmeter is fixedly connected to the position, which is close to the peristaltic pump, of the shell in a penetrating manner. The invention can fully automatically sample milk by rotating the test tube rack, the lifting mechanism and the injection mechanism, can sample for multiple times, effectively reduces the labor intensity of workers, simultaneously greatly avoids the workers from contacting the milk during sampling, and reduces the possibility of pollution.
Description
Technical Field
The invention belongs to the technical field of milk detection sampling, and particularly relates to an automatic sampling device for milk detection.
Background
Milk is a dairy product produced by dairy cows and is a common food and beverage. It is milk extracted from the mammary gland of dairy cows, which contains rich nutrients such as proteins, fats, carbohydrates, vitamins and minerals, etc., as an important protein source, contains whey protein and casein, is critical to the growth and development of the body, contains fat, provides energy, and helps to absorb fat-soluble vitamins. In addition, lactose in milk is a carbohydrate for providing energy for the body, and milk can be directly drunk and also used for manufacturing various dairy products such as cream, butter, yoghurt, cheese, ice cream and the like. These dairy products have a wide range of applications in cooking, baking and food processing, and in general milk is a nutritionally rich food product that plays an important role in human health and nutritional balance.
Because milk is one of widely consumed foods, the detection of the quality and the safety of the milk is of great importance, the milk can be ensured to have no potential harmful substances through sampling detection, and meanwhile, various nutrient components in the milk can be evaluated through sampling detection, so that the stable and consistent quality of the milk purchased by consumers is ensured. The existing milk detection sampling is often manually sampled, so that samples are easy to pollute in the sampling process, and workers are required to repeatedly work during multiple sampling, so that the labor intensity of the workers is high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic sampling device for milk detection.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an automatic sampling device for milk detection, includes the shell, the upper end fixedly connected with first baffle in the shell, the one end of first baffle is provided with elevating system, the one end that elevating system was kept away from to first baffle is provided with peristaltic pump, be provided with injection mechanism on the elevating system, the lower extreme fixedly connected with second baffle of shell, one side of second baffle is provided with the rotation test-tube rack, diapire fixedly connected with lithium cell in the shell, the position that the shell is close to peristaltic pump runs through fixedly connected with liquid flowmeter, fixedly connected with hose on the liquid flowmeter, the one end fixedly connected with counter weight head that the hose kept away from liquid flowmeter has been seted up on the counter weight head, the counter weight head overcoat is equipped with the safety cover, be provided with a plurality of storage test tubes on the rotation test-tube rack, the shell is made by the stainless steel;
through the technical scheme, under the cooperation of the peristaltic pump, the lifting mechanism, the injection mechanism and the rotary test tube rack, milk sampling can be automated, pollution caused by the fact that workers touch milk is avoided, repeated sampling can be achieved, and labor intensity of workers is greatly reduced.
The lifting mechanism comprises a pair of sliding rods fixed on the lower surface of a first partition plate, the sliding rods are connected with a moving plate in a sliding manner, the injection mechanism comprises a shell fixed on one side of the moving plate, one end of the shell is fixedly connected with a liquid inlet pipe, one end, close to the liquid inlet pipe, of the shell is fixedly connected with a first baffle, one end, far away from the liquid inlet pipe, of the shell is fixedly connected with a third baffle, one side of the shell is fixedly connected with a second baffle, a first valve penetrates through the first baffle and is connected with the first baffle in a sliding manner, the upper surface of the first valve is fixedly connected with a first spring, one end, far away from the first spring, of the first valve is fixedly connected with a second connecting rod, one end, far away from the first valve, of the second connecting rod is rotatably connected with a wedge, the inner end, close to the liquid inlet pipe, of the shell is fixedly connected with a first connecting rod in a sliding manner, the lower end of the first connecting rod is rotatably connected with a wedge, two sides of the upper end of the first connecting rod are fixedly connected with a second baffle, the first connecting rod is fixedly connected with a steel ball, one end, far away from the liquid inlet pipe of the shell is fixedly connected with a diaphragm;
through the technical scheme, the wedge block can be extruded through the check block, at the moment, under the locking of the movable pin and the steel ball, the wedge block rotates along the first connecting rod, so that the first valve is jacked up, milk is pushed away from the second valve and then is injected into the pipe body, at the moment, the milk is reduced in flow passage when passing through the second valve, negative pressure is generated in the first pipeline and the second pipeline under the Venturi effect, at the moment, air is sucked through the second pipeline to fill the negative pressure, the milk liquid level moves upwards, after the second pipeline is blocked, the negative pressure drives the diaphragm to move upwards through the first pipeline, the movable pin is pulled out, the steel ball is separated from the locking, and the first connecting rod and the first valve move downwards under the action of the first spring, so that the milk cannot continue flowing.
The upper end fixedly connected with first pipeline of fixed shell, the one end and the third baffle fixed connection that the fixed shell was kept away from to first pipeline, fixedly connected with second pipeline in the third baffle, the one end and the syringe needle fixed connection that the third baffle was kept away from to the second pipeline, run through sliding connection has the second valve in the third baffle.
Through the technical scheme, after the first valve is closed, the fourth spring pushes the second valve to be closed, so that milk is prevented from flowing out.
Further, one side fixedly connected with couple of shell, the one end rotation of shell is connected with the revolving door, fixedly connected with handle on the revolving door, the lower surface fixedly connected with callus on the sole of shell, one side fixedly connected with control cabinet that the shell is close to the revolving door, fixedly connected with display on the control cabinet, fixedly connected with a plurality of buttons on the control cabinet.
Through above-mentioned technical scheme, can conveniently hang the hose on the couple, open the revolving door through the handle simultaneously, can take out the test tube of storing, and can conveniently control the machine through button and the display on the control cabinet.
Further, rotate the test-tube rack including fixing the first motor at second baffle lower surface, the output fixedly connected with disc of first motor, the last fixedly connected with of disc is a pair of fixed axle, all rotate the cover outward of fixed axle and be equipped with the gyro wheel, the lower surface of first baffle rotates and is connected with the main shaft, the lower extreme fixedly connected with sheave of main shaft, sheave and gyro wheel intermeshing cooperation, the main shaft is close to the one end fixedly connected with chassis of sheave, the one end fixedly connected with mount that the sheave is close to the chassis, the main shaft is close to the position fixedly connected with dog of mount, set up flutedly on the mount, fixedly connected with a pair of lug in the recess, be provided with in the recess and store the test tube.
Through above-mentioned technical scheme, can make first motor drive the disc and rotate, the disc drives the fixed axle and rotates, and the fixed axle overcoat is established the gyro wheel, drives the sheave through the gyro wheel and rotates, and the sheave drives the main shaft and rotates, and the main shaft drives the mount and rotates to drive and store the test tube and remove injection station, reduce the friction of motion through the gyro wheel, can make the removal of storing the test tube comparatively accurate through sheave mechanism, conveniently inject.
Further, the storage test tube is including setting up the body in the recess, the upper end threaded connection of body has the upper cover, the last fixed surface of upper cover is connected with the sheet rubber, a plurality of anti-skidding lines are set up outside the upper cover, the upper end rotation of safety cover is connected with a pair of flip.
Through above-mentioned technical scheme, can carry out the self sealss through the elasticity of rubber after the syringe needle is pulled out, and can avoid the counter weight head to receive the pollution through the setting of safety cover and flip to ensure that the part that milk contacted is in clean state when sampling.
Further, the upper surface fixedly connected with second motor of first baffle, the output fixedly connected with ball of second motor, ball and movable plate screw-thread fit each other, the one end rotation connection fixed plate of first baffle is kept away from to ball, the one end and fixed plate fixed connection of first baffle are kept away from to the slide bar.
Through above-mentioned technical scheme, can make the second motor drive ball and rotate, make ball and movable plate mutually support to make the movable plate reciprocate along the slide bar, drive injection mechanism and insert and store the test tube or extract.
Further, the one end fixedly connected with fixed block of liquid inlet tube is kept away from in the casing, the one end fixedly connected with fixed block is close to the third baffle, the fixed column overcoat is equipped with the fourth spring, fixed column and the mutual sliding fit of second valve, the upper end fixedly connected with second spring of removal round pin, first link overcoat is equipped with the third spring, the lower extreme fixedly connected with montant of removal round pin, montant and first link mutually sliding fit, second pipeline and first pipeline are linked together, the second link runs through sliding connection second baffle.
Through the technical scheme, the second valve can be pushed by the fourth spring, and the flow passage of milk becomes smaller when the milk passes through the third baffle, so that a Venturi effect is formed, the first pipeline and the second pipeline form negative pressure, and the first connecting rod can be moved upwards to reset after the wedge block is separated from the stop block through the third spring, so that the next injection is convenient.
Further, peristaltic pump is including fixing the motor frame at first baffle lower surface, the last fixedly connected with third motor of motor frame, the output fixedly connected with output shaft of third motor, run through fixedly connected with a pair of set-square on the output shaft, a pair of all rotate between the set-square and be connected with the pinch roller, the last fixedly connected with stripper plate of first baffle, be provided with the transfer line between stripper plate and the pinch roller, the one end and the liquid flowmeter fixed connection of transfer line, the one end and the feed liquor pipe fixed connection that liquid flowmeter was kept away from to the transfer line, the transfer line is made by transparent silica gel.
Through above-mentioned technical scheme, can make the third motor drive output shaft and rotate, the output shaft drives the set square and rotates the set square and drive the pinch roller and rotate, thereby with the milk in the extrusion board mutually support promotion transfer line, make milk get into injection mechanism in, because movable part does not contact with milk direct contact to can avoid milk to receive the pollution.
Further, the body is made of double-layer glass, aluminum foil paper is fixedly connected to the inner surface of the shell, the counterweight head and the needle head are made of 304 stainless steel, and a handle is fixedly connected to the upper surface of the shell.
Through above-mentioned technical scheme, can keep warm the milk of sampling, avoid high temperature to lead to milk rotten, ensure simultaneously that the part that contacts milk all accords with food-grade requirement, and conveniently carry wholly through the handle.
The beneficial effects of the invention are as follows: (1) According to the invention, the liquid flowmeter is arranged on the shell, the hose is arranged on the liquid flowmeter, the balance weight is arranged at the other end of the hose, the balance weight is quickly placed in milk, the peristaltic pump is arranged on the first baffle plate, the output shaft is driven to rotate by the third motor, the triangular plate is driven to rotate by the output shaft, the extruding wheel is driven to rotate by the triangular plate, the extruding wheel is matched with the extruding plate, so that milk enters the hose through the balance weight head, then enters the infusion tube through the liquid flowmeter, finally, liquid in the infusion tube is pushed into the injection mechanism, the milk is injected into the test tube through the injection mechanism, the pollution of the pump body to the milk can be reduced through the arrangement of the peristaltic pump, and the detection accuracy is ensured; (2) According to the invention, the second motor is arranged on the first partition plate, and drives the ball screw to rotate, so that the moving plate moves up and down along the slide rod to drive the injection mechanism to be inserted into the test tube, after injection is completed, the injection mechanism is lifted, the first motor drives the disc to rotate, the disc drives the fixed shaft to rotate, the fixed shaft belt and the grooved pulley are mutually matched to drive the fixed frame to rotate, the next test tube is moved to the injection station, the accuracy of rotation of the test tube can be greatly improved, the sampling of milk is automated, and the labor intensity of workers is greatly reduced; (3) According to the invention, the injection mechanism is arranged on the lifting mechanism, when the injection mechanism descends, the wedge block is extruded through the stop block, at the moment, the steel balls in the first connecting rod are blocked by the moving pin, so that the wedge block takes the first connecting rod as a fulcrum, the second connecting rod is pressed, the first valve is opened, milk enters the second valve, then the milk pushes away the second valve, the needle head enters the storage test tube, when the milk passes through the second valve, negative pressure is generated in the first pipeline and the second pipeline due to Venturi effect, at the moment, air enters the filling negative pressure through the second pipeline because the second pipeline is not blocked, and when the milk liquid level ascends and blocks the second pipeline, the air cannot enter the filling negative pressure, so that gas in the first pipeline flows, the diaphragm is sucked up, so that the moving pin is separated from the locking steel balls, at the moment, under the action of the first spring, the first valve is closed, at the moment, the flow meter detects that the flow stops, the lifting mechanism lifts up through the lifting mechanism and the pipe frame is rotated, the next time enters the injection station, thus automatic milk sampling station is performed, the labor intensity is greatly reduced, and the pollution to milk test tube is avoided to workers is caused at the same time.
Drawings
FIG. 1 is a block diagram showing the whole construction of an automatic sampling device for milk detection according to the present invention;
FIG. 2 is a view showing the construction of a housing of an automatic sampling device for milk detection according to the present invention;
FIG. 3 is an internal construction view of an automatic sampling device for milk detection according to the present invention;
FIG. 4 is a perspective view of a peristaltic pump of an automatic sampling device for milk testing according to the present invention;
FIG. 5 is a diagram showing the structure of a peristaltic pump of an automatic sampling device for milk detection according to the present invention;
FIG. 6 is a schematic diagram of a peristaltic pump drive mechanism of an automatic sampling device for milk testing according to the present invention;
FIG. 7 is a cross-sectional view of an automatic sampling device for milk detection according to the present invention;
FIG. 8 is an enlarged view at A of FIG. 7;
FIG. 9 is a view showing the construction of a protective cover of an automatic sampling device for milk detection according to the present invention;
FIG. 10 is a view showing a construction of a counter weight head of an automatic sampling device for milk detection according to the present invention;
FIG. 11 is a view showing a structure of a test tube of an automatic sampling device for milk test according to the present invention;
FIG. 12 is a cross-sectional view of an injection mechanism of an automatic sampling device for milk detection according to the present invention;
FIG. 13 is a block diagram of an injection mechanism of an automatic sampling device for milk detection according to the present invention.
Reference numerals: 1. a housing; 2. a handle; 3. rotating the test tube rack; 31. a first motor; 32. a disc; 33. a fixed shaft; 34. a roller; 35. a main shaft; 36. a fixing frame; 37. a chassis; 38. a sheave; 39. a groove; 310. a bump; 311. a stop block; 4. storing the test tube; 41. a tube body; 42. an upper cover; 43. a rubber sheet; 5. a first separator; 6. a lifting mechanism; 61. a second motor; 62. a ball screw; 63. a slide bar; 64. a moving plate; 65. a fixing plate; 7. an injection mechanism; 71. a housing; 72. a liquid inlet pipe; 73. a first baffle; 74. a second baffle; 75. a third baffle; 76. a fixed block; 77. a first spring; 78. a first valve; 79. wedge blocks; 710. a fixed case; 711. a second spring; 712. a moving pin; 713. a membrane; 714. a vertical rod; 715. a first link; 716. steel balls; 717. a third spring; 718. a second link; 719. fixing the column; 720. a fourth spring; 721. a second valve; 722. a needle; 723. a first pipe; 724. a second pipe; 8. a peristaltic pump; 81. a motor frame; 82. a third motor; 83. an output shaft; 84. a triangle; 85. a pressing wheel; 86. an extrusion plate; 87. an infusion tube; 9. a liquid flow meter; 10. a hook; 11. a hose; 12. a counterweight head; 13. a through hole; 14. a protective cover; 15. a flip cover; 16. a rotating door; 17. a handle; 18. foot pads; 19. a display; 20. a console; 21. a button; 22. a second separator; 23. a lithium battery.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 9 and fig. 10, an automatic sampling device for milk detection in this embodiment includes a housing 1, upper end fixedly connected with first baffle 5 in housing 1, one end of first baffle 5 is provided with elevating system 6, one end that elevating system 6 was kept away from to first baffle 5 is provided with peristaltic pump 8, be provided with injection mechanism 7 on elevating system 6, the lower extreme fixedly connected with second baffle 22 of housing 1, one side of second baffle 22 is provided with rotation test-tube rack 3, bottom fixedly connected with lithium cell 23 in housing 1, the position that housing 1 is close to peristaltic pump 8 runs through fixedly connected with liquid flowmeter 9, fixedly connected with hose 11 on the liquid flowmeter 9, one end fixedly connected with counter weight head 12 that the hose 11 kept away from liquid flowmeter 9, a plurality of through-holes 13 have been seted up on the counter weight head 12 overcoat is equipped with safety cover 14, be provided with a plurality of storage test tubes 4 on the rotation test-tube rack 3, housing 1 is made by the stainless steel, through rotation test-tube rack 3, elevating system 6, injection mechanism 7 and peristaltic pump 8 cooperate, can make milk sampling automation, simultaneously can take a sample many times.
One side fixedly connected with couple 10 of shell 1, the setting through couple 10 is convenient hangs hose 11 on couple 10, the one end rotation of shell 1 is connected with revolving door 16, fixedly connected with handle 17 on the revolving door 16, can conveniently get storage tube 4 through revolving door 16 and put, the lower surface fixedly connected with callus on the sole 18 of shell 1, callus on the sole 8 can provide the protection for shell 1, increase overall stability when putting on ground, one side fixedly connected with control cabinet 20 that shell 1 is close to revolving door 16, fixedly connected with display 19 on the control cabinet 20, fixedly connected with a plurality of buttons 21 on the control cabinet 20, the upper end rotation of safety cover 14 is connected with a pair of flip 15, shell 1 internal surface fixedly connected with aluminium foil paper, the temperature in shell 1 can be preserved to aluminium foil paper, avoid milk rotten, counterweight head 12 and syringe needle 722 are made by 304 stainless steel, 304 stainless steel can avoid polluting milk, the upper surface fixedly connected with handle 2 of shell 1, handle 2 can conveniently holistic getting and putting.
As shown in fig. 3, 7 and 8, the rotating test tube rack 3 comprises a first motor 31 fixed on the lower surface of a second partition 22, the output end of the first motor 31 is fixedly connected with a disc 32, the upper surface of the disc 32 is fixedly connected with a pair of fixed shafts 33, rollers 34 are sleeved outside the fixed shafts 33, the lower surface of the first partition 5 is rotatably connected with a main shaft 35, the lower end of the main shaft 35 is fixedly connected with a grooved pulley 38, the grooved pulley 38 and the rollers 34 are engaged and matched with each other, one end of the main shaft 35, which is close to the grooved pulley 38, is fixedly connected with a chassis 37, one end of the grooved pulley 38, which is close to the chassis 37, is fixedly connected with a fixing frame 36, the position, which is close to the fixing frame 36, of the main shaft 35, is fixedly connected with a stop block 311, a groove 39 is formed in the fixing frame 36, a pair of bumps 310 are fixedly connected in the groove 39, a storage test tube 4 is arranged in the groove 39, the first motor 31 drives the disc 32 to rotate the fixed shafts 33, the fixed shafts 33 drive the rollers 34 to rotate, the rollers 34 to the grooved pulleys 34 to mutually cooperate with the grooved pulley 38 to drive the main shaft 35 to move the next storage tube 4 to the lower part of the injection mechanism 7, the grooved pulley is arranged through the setting of the bumps 310, the grooved pulley 311 can be used for accurately setting the friction of the grooved pulley 79, and the friction of the storage tube can be lowered by setting the grooved pulley.
As shown in fig. 4, 5 and 6, the peristaltic pump 8 comprises a motor frame 81 fixed on the lower surface of the first partition board 5, a third motor 82 is fixedly connected to the upper portion of the motor frame 81, the output end of the third motor 82 is fixedly connected to an output shaft 83, a pair of triangular plates 84 are fixedly connected to the output shaft 83 in a penetrating manner, an extrusion wheel 85 is rotatably connected between the pair of triangular plates 84, an extrusion plate 86 is fixedly connected to the upper surface of the first partition board 5, an infusion tube 87 is arranged between the extrusion plate 86 and the extrusion wheel 85, one end of the infusion tube 87 is fixedly connected with the liquid flowmeter 9, one end of the infusion tube 87, far from the liquid flowmeter 9, is fixedly connected with the liquid inlet tube 72, the infusion tube 87 is made of transparent silica gel, the third motor 82 drives the output shaft 83 to rotate, the triangular plates 84 are driven by the output shaft 83 to rotate, the extrusion wheel 85 is driven by the triangular plates 84, the extrusion wheel 85 and the extrusion plate 86 are mutually matched with the extrusion plate 86 to extrude the infusion tube 87, and milk enters the hose 11 from the through hole 13 on the counterweight head 12 and passes through the liquid flowmeter 9 and the infusion tube 87 into the injection mechanism 7.
As shown in fig. 7, the lifting mechanism 6 includes a pair of sliding rods 63 fixed on the lower surface of the first partition board 5, the sliding rods 63 are slidably connected with a moving plate 64, the upper surface of the first partition board 5 is fixedly connected with a second motor 61, the output end of the second motor 61 is fixedly connected with a ball screw 62, the ball screw 62 and the moving plate 64 are in threaded fit with each other, one end of the ball screw 62 away from the first partition board 5 is rotationally connected with a fixed plate 65, one end of the sliding rods 63 away from the first partition board 5 is fixedly connected with the fixed plate 65, the second motor 61 drives the ball screw 62 to rotate, the moving plate 64 drives the injection mechanism 7 to move downwards along the sliding rods 63 under the action of the ball screw 62, and the needle 722 pierces the rubber sheet 43.
As shown in fig. 11, the storage test tube 4 includes a tube body 41 disposed in the groove 39, an upper cover 42 is screwed on the upper end of the tube body 41, a rubber sheet 43 is fixedly connected to the upper surface of the upper cover 42, a plurality of anti-slip threads are disposed outside the upper cover 42, the tube body 41 is made of double-layer glass, the double-layer glass of the tube body 41 can be self-sealed under the elasticity of rubber after the needle 722 is pulled out through the arrangement of the rubber sheet 43, and the double-layer glass of the tube body 41 is provided with a better preservation temperature to avoid milk high-temperature deterioration.
As shown in fig. 12 and 13, the injection mechanism 7 comprises a housing 71 fixed on one side of the moving plate 64, one end of the housing 71 is fixedly connected with a liquid inlet pipe 72, one end of the housing 71, which is close to the liquid inlet pipe 72, is fixedly connected with a first baffle 73, one end of the housing 71, which is far away from the liquid inlet pipe 72, is fixedly connected with a third baffle 75, one end of the housing 71, which is far away from the liquid inlet pipe 72, is fixedly connected with a needle 722, one side of the housing 71 is fixedly connected with a second baffle 74, a first valve 78 penetrates through and is slidingly connected in the first baffle 73, the upper surface of the first valve 78 is fixedly connected with a first spring 77, one end of the first valve 78, which is far away from the first spring 77, is fixedly connected with a second connecting rod 718, one end of the second connecting rod 718, which is far away from the first valve 78, is rotationally connected with a wedge 79, the fixed shell 710 is fixedly connected in the shell 71, the first connecting rod 715 is slidably connected in the fixed shell 710, the lower end of the first connecting rod 715 is rotatably connected with the wedge block 79, the movable pin 712 is slidably connected in the first connecting rod 715, steel balls 716 are arranged on two sides of the upper end of the first connecting rod 715, the diaphragm 713 is fixedly connected to the outer part of the movable pin 712, the needle 722 pierces the rubber sheet 43, at the moment, the wedge block 79 is extruded by the stop block 311, and the wedge block 79 rotates around the first connecting rod 715 to push the second connecting rod 718, so that the first valve 78 is pushed away, milk can pass through the first baffle 73, and then the milk pushes away the second valve 721 to be injected into the storage test tube 4 through the needle 722;
the upper end of the fixed shell 710 is fixedly connected with a first pipeline 723, one end of the first pipeline 723 far away from the fixed shell 710 is fixedly connected with a third baffle 75, a second pipeline 724 is fixedly connected in the third baffle 75, one end of the second pipeline 724 far away from the third baffle 75 is fixedly connected with a needle 722, a second valve 721 is connected in the third baffle 75 in a penetrating sliding way, when milk passes through the second valve 721, negative pressure is generated in the first pipeline 723 and the second pipeline 724 due to the fact that a flow passage suddenly becomes smaller, the second pipeline 724 is communicated with the first pipeline 723 under the action of Venturi effect, and meanwhile, the second pipeline 724 is not blocked, so that external air can be absorbed to fill the negative pressure, when the milk liquid level rises, the diaphragm 713 is sucked up through the first pipeline 723 under the action of the negative pressure after the second pipeline 724, the movable pin 712 is driven to move upwards, and the first connecting rod 715 is unlocked, and at the moment, the wedge block 79 is separated from the fixing of the first connecting rod and becomes unstable, and cannot prop against the second connecting rod 718, so that the first spring 77 pushes the first valve 78 to close, and injection is ended.
One end of the shell 71, which is far away from the liquid inlet pipe 72, is fixedly connected with a fixed block 76, one end of the fixed block 76, which is close to the third baffle 75, is fixedly connected with a fixed column 719, a fourth spring 720 is sleeved outside the fixed column 719, the fixed column 719 and the second valve 721 are in sliding fit with each other, a second spring 711 is fixedly connected to the upper end of the moving pin 712, a third spring 717 is sleeved outside the first link 715, the lower end of the moving pin 712 is fixedly connected with a vertical rod 714, the vertical rod 714 and the first link 715 are in sliding fit with each other, the second pipeline 724 is communicated with the first pipeline 723, the second link 718 penetrates through and is connected with the second baffle 74, the second valve can be pushed to be closed after injection is finished through the arrangement of the fourth spring 720, the first link 715 is reset, the moving pin 712 is reinserted into the first link 715 under the pushing of the second spring 711, and the first link 715 is locked through the matching of the moving pin 712 and the steel ball 716, so that reset is completed.
The working principle of this embodiment is as follows, the whole body is moved to the vicinity of the milk to be detected through the handle 2, the flip cover 15 is opened, the protective cover 14 is removed, the counterweight head 12 is taken out and put into the milk, at this time, the third motor 82 is started, the third motor 82 drives the output shaft 83 to rotate, the output shaft 83 drives the triangle plate 84 to rotate, the triangle plate 84 drives the extrusion wheel 85 to rotate, the extrusion wheel 85 and the extrusion plate 86 are mutually matched to extrude the infusion tube 87, the milk enters the hose 11 from the through hole 13 on the counterweight head 12 and passes through the liquid flowmeter 9 and the infusion tube 87 to enter the injection mechanism 7, then the ball screw 62 is driven to rotate through the second motor 61, the moving plate 64 drives the injection mechanism 7 to move downwards along the slide rod 63, the needle 722 pierces the rubber sheet 43, at this time the wedge block 79 is extruded by the stop block 311, at this time, the first connecting rod 715 is matched and blocked by the moving pin 712 and the steel ball 716, the wedge 79 rotates around the first link 715 to push the second link 718 to push the first valve 78 open, so that milk can pass through the first baffle 73, then the milk pushes the second valve 721, and is injected into the storage tube 4 through the needle 722, at this time, when the milk passes through the second valve 721, the flow passage suddenly becomes smaller, negative pressure is generated in the first pipeline 723 and the second pipeline 724 under the action of venturi effect, the second pipeline 724 is communicated with the first pipeline 723, and the second pipeline 724 is not blocked, so that the negative pressure can be filled by absorbing external air, and when the milk liquid level rises and blocks the second pipeline 724, the diaphragm 713 is sucked up through the first pipeline 723 under the action of the negative pressure to drive the moving pin 712 to move upwards, so that the first link 715 is unlocked, at this time, the wedge 79 is separated from the fixation of the first link 715 and becomes unstable state and cannot prop against the second link 718, so that the first spring 77 pushes the first valve 78 to close and ends injection, at this moment, the liquid flowmeter 9 detects that the flow is zero, so that the second motor 61 reverses, the injection mechanism 7 is lifted, self-sealing is performed through the rubber sheet 43, after the wedge-shaped block 79 is separated from the extrusion of the stop block 311, under the action of the third spring 717, the first connecting rod 715 is reset, under the action of the second spring 711, the moving pin 712 is reinserted and locked with the steel ball 716 to finish reset initialization of the injection mechanism 7, afterwards, the disk 32 is driven to rotate through the first motor 31, the disk 32 drives the fixed shaft 33 to rotate, the fixed shaft 33 drives the roller 34 to rotate, the roller 34 and the grooved pulley 38 are mutually matched to drive the spindle 35 to rotate, the next storage test tube 4 is moved to the lower part of the injection mechanism 7, the storage test tube 4 can be fixed through the arrangement of the convex block 310, and when the storage test tube 4 needs to be taken out, the storage test tube 4 can be taken out through the opening the rotating door 16 through the handle 17 to finish sampling.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. The utility model provides an automatic sampling device for milk detects, includes shell (1), its characterized in that: the novel stainless steel test tube testing device is characterized in that a first partition plate (5) is fixedly connected to the upper end in the shell (1), a lifting mechanism (6) is arranged at one end of the first partition plate (5), a peristaltic pump (8) is arranged at one end, far away from the lifting mechanism (6), of the first partition plate (5), an injection mechanism (7) is arranged on the lifting mechanism (6), a second partition plate (22) is fixedly connected to the lower end of the shell (1), a rotating test tube rack (3) is arranged on one side of the second partition plate (22), a lithium battery (23) is fixedly connected to the inner bottom wall of the shell (1), a hose (11) is fixedly connected to the position, close to the peristaltic pump (8), of the shell (1), a counterweight head (12) is fixedly connected to one end, far away from the liquid flowmeter (9), of the hose (11), a plurality of through holes (13) are formed in the counterweight head (12), a protecting cover (14) is sleeved outside the counterweight head, a plurality of storage shells (4) are arranged on the rotating test tube rack (3), and the shell (1) is made of stainless steel test tubes.
The lifting mechanism (6) comprises a pair of sliding rods (63) fixed on the lower surface of the first partition plate (5), the sliding rods (63) are connected with a moving plate (64) in a sliding manner, the injection mechanism (7) comprises a shell (71) fixed on one side of the moving plate (64), one end of the shell (71) is fixedly connected with a liquid inlet pipe (72), one end, close to the liquid inlet pipe (72), of the shell (71) is fixedly connected with a first baffle plate (73), one end, far away from the liquid inlet pipe (72), of the shell (71) is fixedly connected with a third baffle plate (75), one side, in the shell (71), is fixedly connected with a second baffle plate (74), a first valve (78) is connected in a penetrating manner, the upper surface of the first valve (78) is fixedly connected with a first spring (77), one end, far away from the first spring (77), of the first valve (78) is fixedly connected with a second link (718), one end, far away from the first valve (78), of the second link (718) is fixedly connected with a wedge-shaped block (79), one end, far away from the first valve (78), of the first link (710) is fixedly connected with a wedge-shaped block (710), a moving pin (712) is slidably connected to the first connecting rod (715), steel balls (716) are arranged on two sides of the upper end of the first connecting rod (715), a diaphragm (713) is fixedly connected to the outer part of the moving pin (712), and a needle (722) is fixedly connected to one end, far away from the liquid inlet pipe (72), of the shell (71);
the upper end fixedly connected with first pipeline (723) of fixed casing (710), the one end and the third baffle (75) fixed connection of fixed casing (710) are kept away from to first pipeline (723), fixedly connected with second pipeline (724) in third baffle (75), the one end and syringe needle (722) fixed connection of third baffle (75) are kept away from to second pipeline (724), run through sliding connection in third baffle (75) has second valve (721).
2. The automatic sampling device for milk detection according to claim 1, wherein one side of the housing (1) is fixedly connected with a hook (10), one end of the housing (1) is rotatably connected with a rotary door (16), a handle (17) is fixedly connected to the rotary door (16), a foot pad (18) is fixedly connected to the lower surface of the housing (1), a console (20) is fixedly connected to one side of the housing (1) close to the rotary door (16), a display (19) is fixedly connected to the console (20), and a plurality of buttons (21) are fixedly connected to the console (20).
3. The automatic sampling device for milk detection according to claim 1, wherein the rotating test tube rack (3) comprises a first motor (31) fixed on the lower surface of a second partition board (22), an output end of the first motor (31) is fixedly connected with a disc (32), a pair of fixed shafts (33) are fixedly connected to the upper surface of the disc (32), rollers (34) are sleeved outside the fixed shafts (33) in a rotating manner, a main shaft (35) is rotatably connected to the lower surface of the first partition board (5), a grooved wheel (38) is fixedly connected to the lower end of the main shaft (35), the grooved wheel (38) and the rollers (34) are meshed with each other, a chassis (37) is fixedly connected to one end of the main shaft (35) close to the grooved wheel (38), a stop block (311) is fixedly connected to the position of the main shaft (35) close to the fixed frame (36), a groove (39) is formed in the fixed frame (36), a pair of lugs (310) is fixedly connected to the inner end of the main shaft (35), and a test tube (4) is arranged in the groove (39).
4. An automatic sampling device for milk detection according to claim 3, wherein the storage test tube (4) comprises a tube body (41) arranged in the groove (39), an upper cover (42) is connected to the upper end of the tube body (41) in a threaded manner, a rubber sheet (43) is fixedly connected to the upper surface of the upper cover (42), a plurality of anti-skid patterns are arranged outside the upper cover (42), and a pair of flip covers (15) are connected to the upper end of the protective cover (14) in a rotary manner.
5. The automatic sampling device for milk detection according to claim 1, wherein the upper surface of the first partition plate (5) is fixedly connected with a second motor (61), the output end of the second motor (61) is fixedly connected with a ball screw (62), the ball screw (62) and the moving plate (64) are in threaded fit with each other, one end, far away from the first partition plate (5), of the ball screw (62) is rotationally connected with a fixed plate (65), and one end, far away from the first partition plate (5), of the sliding rod (63) is fixedly connected with the fixed plate (65).
6. The automatic sampling device for milk detection according to claim 1, wherein one end, far away from the liquid inlet pipe (72), of the casing (71) is fixedly connected with a fixed block (76), one end, close to the third baffle (75), of the fixed block (76) is fixedly connected with a fixed column (719), a fourth spring (720) is sleeved outside the fixed column (719), the fixed column (719) and the second valve (721) are in sliding fit with each other, the upper end of the movable pin (712) is fixedly connected with a second spring (711), the first connecting rod (715) is sleeved with a third spring (717), the lower end of the movable pin (712) is fixedly connected with a vertical rod (714), the vertical rod (714) and the first connecting rod (715) are in sliding fit with each other, the second pipeline (724) is communicated with the first pipeline (723), and the second connecting rod (718) penetrates through the second baffle (74) in sliding connection.
7. The automatic sampling device for milk detection according to claim 1, wherein the peristaltic pump (8) comprises a motor frame (81) fixed on the lower surface of the first partition board (5), a third motor (82) is fixedly connected to the upper part of the motor frame (81), an output shaft (83) is fixedly connected to the output end of the third motor (82), a pair of triangular plates (84) are fixedly connected to the output shaft (83) in a penetrating manner, an extrusion wheel (85) is fixedly connected between the pair of triangular plates (84) in a rotating manner, an extrusion plate (86) is fixedly connected to the upper surface of the first partition board (5), an infusion tube (87) is arranged between the extrusion plate (86) and the extrusion wheel (85), one end of the infusion tube (87) is fixedly connected with the liquid flowmeter (9), one end of the infusion tube (87) away from the liquid flowmeter (9) is fixedly connected with the liquid inlet tube (72), and the infusion tube (87) is made of transparent silica gel.
8. The automatic sampling device for milk detection according to claim 4, wherein the tube body (41) is made of double-layer glass, aluminum foil paper is fixedly connected to the inner surface of the housing (1), the counterweight head (12) and the needle head (722) are both made of 304 stainless steel, and a handle (2) is fixedly connected to the upper surface of the housing (1).
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| CN202311232904.2A CN116973176B (en) | 2023-09-22 | 2023-09-22 | Automatic sampling device for milk detection |
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| CN202311232904.2A CN116973176B (en) | 2023-09-22 | 2023-09-22 | Automatic sampling device for milk detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117515383A (en) * | 2024-01-05 | 2024-02-06 | 河北兰梦环保科技有限公司 | Air dust detector |
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| CN116973176B (en) | 2023-12-12 |
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