CN116087184B - Food additive detection process - Google Patents
Food additive detection process Download PDFInfo
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- CN116087184B CN116087184B CN202310198883.0A CN202310198883A CN116087184B CN 116087184 B CN116087184 B CN 116087184B CN 202310198883 A CN202310198883 A CN 202310198883A CN 116087184 B CN116087184 B CN 116087184B
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- 238000001514 detection method Methods 0.000 title claims abstract description 117
- 239000002778 food additive Substances 0.000 title claims abstract description 15
- 235000013373 food additive Nutrition 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 139
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 235000013305 food Nutrition 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000004448 titration Methods 0.000 claims abstract description 31
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 8
- 238000002347 injection Methods 0.000 claims abstract description 3
- 239000007924 injection Substances 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000003756 stirring Methods 0.000 claims description 43
- 230000008878 coupling Effects 0.000 claims description 39
- 238000010168 coupling process Methods 0.000 claims description 39
- 238000005859 coupling reaction Methods 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 29
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 25
- 239000003153 chemical reaction reagent Substances 0.000 claims description 18
- 239000011550 stock solution Substances 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 13
- 238000011161 development Methods 0.000 claims description 8
- 239000012295 chemical reaction liquid Substances 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 239000002699 waste material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000017105 transposition Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 6
- 239000012916 chromogenic reagent Substances 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 11
- 235000021055 solid food Nutrition 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000010981 drying operation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The invention relates to the technical field of food detection, in particular to a food additive detection process. The food additive detection process comprises the following steps of; SS001, predetermine, before the detection operation, wash, disinfect and predrying in proper order reaction dish in the spiral appearance mechanism in the detection device, after the reaction dish is handled, store into abundant chromogenic reagent to titration module, simultaneously to detect the mechanism and calibrate in advance, store into abundant disinfection washing liquid in the washing module, SS002, advance the sample, after the SS001 step, reserve a reaction dish to its inside injection sufficient disinfection washing liquid. The beneficial effects of the invention are as follows: through the setting of detection mechanism, transposition rotating rack and many reaction dishes, make this device can accomplish the detection operation of food by high efficiency, and this device is when detecting food, through the multistation structure setting of reaction dish, can accomplish the continuous classification detection to similar food.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a food additive detection process.
Background
In the production process of solid food, sampling quality inspection is needed, and during quality inspection, the content of food additives in the solid food is needed to be detected, so that a food additive detection device of the solid food is needed to be used.
At present, most of the existing food additive detection devices for solid foods are used for dissolving a solid food sample, then stirring a chromogenic reagent and the dissolved sample, after a period of time, the sample changes color, an experimenter colorizes according to the chromogenic reagent and a cuvette to obtain a detection result, and in the prior art, a plurality of types of detection devices are already provided, for example, a patent document with a publication number of CN112285102A discloses a food additive detection device for solid foods, through a containing mechanism arranged, the sample is sequentially placed in a sample box before detection, a shunt cover with a shunt groove is arranged in the sample box, so that the sample can be shunted by the shunt cover when the sample is poured in, the surface of the shunt cover is multi-layered, and the sample and the subsequent chromogenic reagent are all multi-layered in the sample box when the sample falls down, so that the chromogenic reagent and the sample are uniformly mixed, but the food detection device cannot carry out multi-station continuous classification detection on the food during detection, so that the detection efficiency and the detection functionality during detection are lower, and the existing detection device cannot realize self-maintenance on the reaction cuvette during detection, so that the detection device is difficult to use and the detection device is high in the background cost based on the invention.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a food additive detection process to solve the problems that the existing food detection device cannot perform multi-station continuous classification detection of food during detection, so that the detection efficiency and the functionality during detection are lower, and the existing detection device cannot realize self-maintenance of a reaction vessel during detection, so that the use cost and the maintenance difficulty of the detection device are higher.
The technical scheme for solving the technical problems is as follows: the food additive detection process comprises the following steps of;
SS001, presetting, cleaning, sterilizing and pre-drying reaction dishes in a sample rotating mechanism in a detection device in sequence before detection operation, storing a sufficient amount of chromogenic reaction reagent into a titration module after the reaction dishes are processed, and pre-calibrating the detection mechanism and storing a sufficient amount of sterilizing cleaning liquid into a cleaning module;
SS002, sample injection, SS001 step, reserving a reaction vessel, injecting a sufficient amount of disinfection cleaning liquid into the reaction vessel, adding quantitative waiting food stock solution to be detected into each residual reaction vessel in the sample rotating mechanism, and respectively adding different kinds of display reaction reagents with set doses into the food stock solution to be detected in each reaction vessel by a titration module after the food stock solution enters;
after the steps of SS003 and SS002, each reaction vessel added with the color reaction reagent sequentially enters a stirring module to be stirred, mixed and reacted, after each reaction vessel is processed by the stirring module, the reaction vessel with the disinfection cleaning liquid is transferred to the lower part of the stirring module, the surface of the stirring module is sufficiently cleaned, the cleaned stirring module can carry out the mixing operation of the color reaction reagent and the food stock solution in the next reaction vessel, and after each reaction vessel is mixed, each reaction vessel after the reaction is stood;
performing SS004 and detection, namely allowing the reaction vessels in the step SS003 to stand for 5min, allowing the reaction vessels to sequentially enter detection stations of a detection mechanism, performing color development detection, and outputting detection results in real time after the color development detection of the detection mechanism is finished;
SS005, self-cleaning, after the detection, the reaction vessel sequentially enters a discharging station, after the reaction vessel enters the discharging station, an electromagnetic valve at the reaction vessel is opened and the reaction liquid is fully discharged, the reaction vessel from which the reaction liquid is discharged is cleaned by a cleaning module, and the cleaned reaction vessel is transferred to a drying module for drying and drying so as to be subjected to next detection operation;
the detection device comprises a bottom frame, the top sliding connection of bottom frame has the crane, install the lift push rod of a vertical setting between the opposite surface of crane and bottom frame, revolve appearance mechanism and detection mechanism's surface all with bottom frame fixed connection, stir module, titration module, wash the surface of module and drying module all with crane fixed connection, stir module, wash module and drying module and all drive through revolving the model mechanism.
The beneficial effects of the invention are as follows:
1) Through the setting of detection mechanism, transposition rotating frame and many reaction dishes, make this device can high-efficient completion food's detection operation, and this device is when detecting food, through the multistation structure setting of reaction dish, can accomplish the continuous classification detection to similar food, through the realization of above-mentioned continuous classification detection function of similar food to the detection efficiency and the multifunctionality when detecting of this device are effectively improved.
2) Through stirring module, cleaning module, titration module and drying module's setting, on realizing the basis of the categorised detection function in succession of like food, can also realize showing the automatic switching of reagent's automatic interpolation and reaction dish processing station, and then effectively improve this detection device's degree of automation, and through above-mentioned multimode group setting, can accomplish the removal of reaction liquid and the physics strong washing and the hot drying operation of reaction dish inner wall automatically after the food detects, then help realizing this device's quick repetition detection, realization through above-mentioned technological effect, thereby effectively improve this detection device's easy maintenance degree and reduce this detection device's maintenance and use cost.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the detection mechanism comprises a detection frame fixedly connected with the underframe, the surface of the spectrophotometer is fixedly connected with the detection frame, and a central control panel connected with spectrophotometry data is fixedly arranged at the top of the lifting frame.
The technical scheme has the advantages that when the reaction vessel is used, the detection end of the spectrophotometer is right opposite to the reaction vessel, the color inside the reaction vessel is collected in real time, and after the spectrophotometer collects the color inside the reaction vessel, the detection end is compared with detection judgment data prestored in the spectrophotometer for verification, so that a detection result is output to the central control panel.
Further, the rotary sample machine comprises an indexing motor, a servo motor, an indexing rotary seat, a shaft barrel rotationally connected to the inner wall of the indexing rotary seat and a transmission rotary barrel rotationally connected to the inner wall of the lifting frame, the surface of the servo motor is fixedly connected with the lifting frame, the output shaft end of the servo motor is in transmission connection with the transmission rotary barrel, the surface of the indexing motor is fixedly connected with the underframe, the output shaft end of the indexing motor is fixedly connected with the indexing rotary seat, the inner wall of the indexing rotary seat is rotationally connected with a group of reaction dishes distributed in a circumferential array, the reaction dishes are made of transparent glass, each reaction dish is driven by the shaft barrel, the bottom end of the reaction dish is fixedly communicated with a discharge pipe, an electromagnetic valve is arranged in the discharge pipe, the inner wall of the shaft barrel is in transmission connection with a guide shaft lever, and the top end of the guide shaft lever is fixedly connected with the transmission rotary barrel.
Further, the output shaft end of the servo motor is fixedly provided with a driving bevel gear, the peripheral side surface of the transmission rotary cylinder is fixedly provided with a driven bevel gear and a linkage bevel gear respectively, the peripheral side surface of the driving bevel gear is in transmission connection with the driven bevel gear, the axial position of the shaft cylinder is fixedly provided with a transmission groove which is vertically arranged and is in sliding connection with a guide shaft rod, the cross section of the guide shaft rod is in a regular polygon shape, the shape of the transmission groove is matched with the shape of the guide shaft rod, the upper part of the shaft cylinder is fixedly provided with an inner gear ring, and the upper part of the reaction vessel is fixedly provided with an outer gear ring which is in transmission connection with the inner gear ring.
The technical scheme has the advantages that when the mixed reaction operation of the food stock solution and the color reagent and the cleaning and drying operation of the inner wall of the reaction vessel are carried out, the servo motor outputs the rotating speed in a set state, after the servo motor works, the driving shaft barrel and the driving rotary barrel synchronously rotate, the driving rotary barrel rotates and then provides power for the cleaning module, the drying module and the stirring module, and after the driving shaft barrel is driven, the reaction vessel is driven due to the meshed connection of the inner gear ring and the outer gear ring, and the cleaning and drying effects of the reaction vessel and the reaction efficiency of the food stock solution and the color reagent are effectively improved through the realization of the rotating state of the reaction vessel;
through setting up of guide shaft pole and drive groove to guarantee that the crane is when going up and down, guide shaft pole also can carry out effective transmission to the axle section of thick bamboo, and the open-ended cavity tubular structure that the reaction dish was, the lower part of reaction dish are funnel-shaped structure, and transparent glass material through the reaction dish sets up, thereby is convenient for the spectrophotometer gather the reaction color in the retort.
Further, the stirring module comprises an outer shaft a which is rotationally connected with the lifting frame and is vertically arranged, an inner shaft a which is rotationally connected with the inner wall of the outer shaft a and a shaft coupling a which is rotationally connected with the lifting frame, the peripheral side surface of the outer shaft a is in transmission connection with the inner shaft a through the shaft coupling a, the tail end of the shaft coupling a is in transmission connection with the linkage bevel gear ring, a U-shaped stirring frame is fixedly arranged at the bottom end of the inner shaft a, and two groups of symmetrically arranged stirring rods are arranged at the peripheral side surface of the outer shaft a and at positions corresponding to the inner side of the U-shaped stirring frame.
Further, the cleaning module respectively comprises an outer shaft b, an inner shaft b and a coupling b, wherein the outer shaft b is in rotary connection with the lifting frame and is vertically arranged, the coupling b is in rotary connection with the inner wall of the outer shaft b, the coupling b is fixedly connected with the liquid storage tank inside the lifting frame, the circumferential side surface of the outer shaft b is in transmission connection with the inner shaft b through the coupling b, the tail end of the coupling b is in transmission connection with the linkage bevel gear ring, a liquid distribution runner is fixedly arranged at the axis position of the inner shaft b, a pump body is fixedly arranged at the bottom surface of the liquid storage tank, one end of a liquid inlet of the pump body is fixedly communicated with the liquid storage tank, one end of a liquid outlet of the pump body is in rotary communication with the liquid distribution runner, a lower spraying seat is fixedly arranged at the bottom end of the inner shaft b and corresponds to the position above the lower spraying seat, an upper spraying seat is arranged at the circumferential side surface of the outer shaft b and corresponds to the position above the cleaning brush, the inner wall of the upper spraying seat is in rotary communication with the liquid distribution runner, and a waste storage tank is fixedly arranged at the top surface of the bottom frame and corresponds to the position below the lower spraying seat.
Further, the top of outer axle a, outer axle b, interior axle a and interior axle b all fixed mounting have first driven awl tooth, the week side of shaft coupling a and shaft coupling b is all fixed mounting has two conversion awl teeth and a second driven awl tooth, two the week side of conversion awl tooth respectively with two first driven awl teeth of adjacent position, the week side of second driven awl tooth and linkage awl ring meshing, the first driven awl tooth of outer axle a department and the first driven awl tooth of interior axle a department are the axisymmetric setting with the horizontal plane that shaft coupling a's axis is located, the first driven awl tooth of outer axle b department and the first driven awl tooth of interior axle b department are the axisymmetric setting with shaft coupling b's axis is located horizontal plane.
The beneficial effect of adopting above-mentioned further scheme is, when servo motor output rotational speed, through shaft coupling a and shaft coupling b's setting, make outer axle a and interior axle a be coaxial reverse differential rotation state, outer axle b and interior axle b are coaxial reverse differential rotation state, through the setting of the coaxial reverse differential rotation state outer axle b of outer axle a and interior axle a and the coaxial reverse differential rotation state of interior axle b to effectively improve the stirring intensity of stirring module and the cleaning intensity of cleaning module.
Further, the bottom surface of lower spray seat is fixed to be linked together and is a set of shower nozzle down that is circumference array distribution, a set of last orifice that is circumference array distribution has been seted up to the week side of going up the spray seat, shower nozzle down and last orifice all are the downward sloping setting, the axis of shower nozzle down and last orifice is 45 with the contained angle of horizontal plane.
The technical scheme has the beneficial effects that the lower spray nozzle and the upper spray hole are arranged at an angle, so that the scouring strength and the wall cleaning effect of the lower spray nozzle and the upper spray hole on sundries on the inner wall of the reaction vessel are effectively improved.
Further, the drying module comprises a spin seat which is connected with the lifting frame in a rotating way and is vertically arranged, a third driven bevel gear meshed with the linkage bevel gear ring is fixedly arranged on the peripheral side face of the spin seat, and a U-shaped electric heating rod is fixedly arranged in the spin seat.
Further, titration module is including a set of titration tube that is circumference array distribution and vertical setting, the week side and the crane fixed connection of titration tube, the fixed intercommunication in bottom surface of titration tube has the buret, the inside of buret is from top to bottom fixed mounting in proper order has flowmeter and valve.
The beneficial effect of adopting above-mentioned further scheme is, drip the barrel and be transparent material, and the barrel is used for showing the storage operation of reactant, and the upper portion fixed mounting of drip the barrel has the fluid replacement pipe, and the week side of drip the barrel is fixed to be provided with the scale, through the setting of flowmeter and valve to realize the quantitative titration of buret.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a detection device used in the food additive detection process of the invention;
FIG. 2 is a schematic view of a partial enlarged structure of the present invention at A in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at another angle in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a partially enlarged structure of the present invention at B in FIG. 4;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C in FIG. 4;
FIG. 7 is a schematic view of a partially enlarged structure of the present invention at D in FIG. 4;
fig. 8 is a schematic cross-sectional structure of the outer shaft a and the inner shaft a of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a chassis; 2. a lifting frame; 3. lifting the push rod; 4. a detection frame; 5. a spectrophotometer; 6. a central control panel; 7. an indexing motor; 8. a servo motor; 9. indexing rotary seat; 10. a shaft cylinder; 11. a transmission rotary cylinder; 12. a reaction vessel; 13. a discharge tube; 14. an electromagnetic valve; 15. a guide shaft; 16. a linkage cone gear ring; 17. an outer ring gear; 18. an outer shaft a; 19. an inner shaft a; 20. a shaft coupling a; 21. u-shaped stirring rack; 22. a stirring rod; 23. an outer shaft b; 24. an inner shaft b; 25. a shaft coupling b; 26. a liquid storage tank; 27. a lower spraying seat; 28. a cleaning brush; 29. an upper spraying seat; 30. a first driven bevel gear; 31. converting the bevel gear; 32. a second driven bevel gear; 33. a lower nozzle; 34. an upper spray hole; 35. a spin stand; 36. a third driven bevel gear; 37. a titration cylinder; 38. a burette; 39. a flow meter; 40. a valve; 41. a waste storage tank; 42. an inner gear ring; 43. u-shaped electric heating rod.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The present invention provides the following preferred embodiments
As shown in fig. 1 to 8, the food additive detection process comprises the following steps;
SS001, presetting, cleaning, sterilizing and pre-drying the reaction vessel 12 in the sample rotating mechanism in the detection device in sequence before the detection operation, storing a sufficient amount of chromogenic reaction reagent into the titration module after the reaction vessel 12 is processed, and pre-calibrating the detection mechanism and storing a sufficient amount of sterilizing cleaning liquid into the cleaning module;
SS002, sample introduction, reserving a reaction vessel 12 after the step of SS001, injecting a sufficient amount of disinfection cleaning liquid into the reaction vessel, adding quantitative waiting food stock solutions to be detected into each residual reaction vessel 12 in a sample rotating mechanism, and respectively adding different types of display reaction reagents with set doses into the food stock solutions to be detected in each reaction vessel 12 by a titration module after the food stock solutions enter;
after the steps of SS003 and SS002, each reaction vessel 12 added with the color development reaction reagent sequentially enters a stirring module to be stirred, mixed and reacted, after each reaction vessel 12 is processed by the stirring module, the reaction vessel 12 with the disinfection cleaning liquid is transferred to the lower part of the stirring module, the surface of the stirring module is sufficiently cleaned, the cleaned stirring module can carry out the mixing operation of the color development reaction reagent and the food stock solution in the next reaction vessel 12, and after each reaction vessel 12 is mixed, each reaction vessel 12 after the reaction is stood;
performing SS004 and detection, namely allowing the reaction vessels 12 in the step SS003 to stand for 5min, enabling the reaction vessels 12 to sequentially enter detection stations of a detection mechanism, performing color development detection, and outputting detection results in real time after the color development detection of the detection mechanism is finished;
SS005, self-cleaning, the reaction vessel 12 after finishing detection enters the unloading station sequentially, after the reaction vessel 12 enters the unloading station, the electromagnetic valve 14 at the reaction vessel 12 is opened and the reaction liquid is fully discharged, the reaction vessel 12 from which the reaction liquid is discharged is cleaned by a cleaning module, and the reaction vessel 12 after finishing cleaning is transferred to a drying module for drying and drying so as to be subjected to next detection operation;
the detection device comprises a chassis 1, wherein the top of the chassis 1 is slidably connected with a lifting frame 2, a lifting push rod 3 which is vertically arranged is arranged between the lifting frame 2 and the opposite surface of the chassis 1, the surfaces of a sample rotating mechanism and a detection mechanism are fixedly connected with the chassis 1, the surfaces of a stirring module, a titration module, a cleaning module and a drying module are fixedly connected with the lifting frame 2, and the stirring module, the cleaning module and the drying module are driven by a sample rotating mechanism.
The detection mechanism comprises a detection frame 4 fixedly connected with the underframe 1, the surface of the spectrophotometer 5 is fixedly connected with the detection frame 4, and a central control panel 6 in data connection with the spectrophotometer 5 is fixedly arranged at the top of the lifting frame 2.
When the device is used, the detection end of the spectrophotometer 5 is used for correcting the reaction vessel 12, the color inside the reaction vessel 12 is collected in real time, and after the spectrophotometer 5 collects the color inside the reaction vessel 12, the device is compared with detection judgment data prestored in the spectrophotometer 5 for verification, so that a detection result is output to the central control panel 6.
The rotary sample mechanism comprises an indexing motor 7, a servo motor 8, an indexing rotary seat 9, a shaft barrel 10 rotatably connected to the inner wall of the indexing rotary seat 9 and a transmission rotary barrel 11 rotatably connected to the inner wall of the lifting frame 2, the surface of the servo motor 8 is fixedly connected with the lifting frame 2, and the output shaft end of the servo motor 8 is in transmission connection with the transmission rotary barrel 11;
a driving bevel gear is fixedly arranged at the output shaft end of the servo motor 8, a driven bevel gear and a linkage bevel gear ring 16 are fixedly arranged on the peripheral side surface of the transmission spiral tube 11 respectively, and the peripheral side surface of the driving bevel gear is in transmission connection with the driven bevel gear;
the surface of the transposition motor 7 is fixedly connected with the underframe 1, the output shaft end of the transposition motor 7 is fixedly connected with the transposition rotary seat 9, the inner wall of the transposition rotary seat 9 is rotationally connected with a group of reaction dishes 12 distributed in a circumferential array, the reaction dishes 12 are made of transparent glass, and each reaction dish 12 is driven by a shaft barrel 10;
an inner gear ring 42 is fixedly arranged at the upper part of the shaft barrel 10, and an outer gear ring 17 in transmission connection with the inner gear ring 42 is fixedly arranged at the upper part of the reaction vessel 12;
the bottom end of the reaction vessel 12 is fixedly communicated with a discharge pipe 13, an electromagnetic valve 14 is arranged in the discharge pipe 13, the inner wall of the shaft cylinder 10 is in transmission connection with a guide shaft rod 15, and the top end of the guide shaft rod 15 is fixedly connected with the transmission rotary cylinder 11.
The axis position of the shaft cylinder 10 is fixedly provided with a transmission groove which is vertically arranged and is in sliding connection with the guide shaft rod 15, the cross section of the guide shaft rod 15 is regular polygon, and the shape of the transmission groove is matched with the shape of the guide shaft rod 15.
When the mixed reaction operation of the food stock solution and the color reagent and the cleaning and drying operation of the inner wall of the reaction vessel 12 are carried out, the servo motor 8 outputs the rotating speed in a set state, after the servo motor 8 works, the driving shaft barrel 10 and the driving rotary barrel 11 synchronously rotate, the driving rotary barrel 11 rotates and then provides power for the cleaning module, the drying module and the stirring module, and when the shaft barrel 10 is driven, the reaction vessel 12 is driven due to the meshed connection arrangement of the inner gear ring 42 and the outer gear ring 17, and the effect of being cleaned and dried of the reaction vessel 12 and the reaction efficiency of the food stock solution and the color reagent are effectively improved through the realization of the rotating state of the reaction vessel 12;
through the setting of guide shaft pole 15 and transmission groove to guarantee that crane 2 when going up and down, guide shaft pole 15 also can carry out effective transmission to axle section of thick bamboo 10, and reaction dish 12 is open-ended cavity tubular structure, and the lower part of reaction dish 12 is the funnel-shaped structure, and the transparent glass material through reaction dish 12 sets up, thereby is convenient for spectrophotometer 5 gathers the reaction color in the retort.
The stirring module comprises an outer shaft a18, an inner shaft a19 and a coupling a20, wherein the outer shaft a18 is in rotary connection with the lifting frame 2 and is vertically arranged, the inner shaft a19 is in rotary connection with the inner wall of the outer shaft a18, the coupling a20 is in transmission connection with the inner shaft a19, the tail end of the coupling a20 is in transmission connection with the linkage bevel gear 16, a U-shaped stirring frame 21 is fixedly arranged at the bottom end of the inner shaft a19, and two groups of stirring rods 22 which are symmetrically arranged are arranged at the positions, corresponding to the inner side of the U-shaped stirring frame 21, of the peripheral side of the outer shaft a 18.
The cleaning module comprises an outer shaft b23, an inner shaft b24, a coupling b25 and a liquid storage tank 26, wherein the outer shaft b23 is in rotary connection with the lifting frame 2 and is vertically arranged, the inner shaft b24 is in rotary connection with the inner wall of the outer shaft b23, the coupling b25 is in rotary connection with the lifting frame 2, the peripheral side surface of the outer shaft b23 is in transmission connection with the inner shaft b24 through the coupling b25, the tail end of the coupling b25 is in transmission connection with the linkage cone gear ring 16, a liquid distribution runner is fixedly arranged at the axial position of the inner shaft b24, a pump body is fixedly arranged on the bottom surface of the liquid storage tank 26, one end of a liquid inlet of the pump body is fixedly communicated with the liquid storage tank 26, one end of a liquid outlet of the pump body is in rotary communication with the liquid distribution runner, a lower spray seat 27 which is communicated with the liquid distribution runner is fixedly arranged at the bottom end of the inner shaft b24, and a group of lower spray heads 33 distributed in a circumferential array are fixedly communicated with the bottom surface of the lower spray seat 27;
the peripheral side surface of the inner shaft b24 is provided with a cleaning brush 28 which is matched with the inner diameter of the reaction vessel 12 and corresponds to the position above the lower spraying seat 27, the peripheral side surface of the outer shaft b23 is provided with an upper spraying seat 29 which is correspondingly arranged above the cleaning brush 28, the inner wall of the upper spraying seat 29 is rotationally communicated with a liquid distribution channel, and the top surface of the underframe 1 is fixedly provided with a waste storage box 41 corresponding to the position right below the lower spraying seat 27;
the peripheral side of the upper spray seat 29 is provided with a group of upper spray holes 34 distributed in a circumferential array, the lower spray nozzle 33 and the upper spray holes 34 are arranged in a downward inclined mode, and the included angles between the axes of the lower spray nozzle 33 and the upper spray holes 34 and the horizontal plane are 45 degrees.
The top of each of the outer shaft a18, the outer shaft b23, the inner shaft a19 and the inner shaft b24 is fixedly provided with a first driven bevel gear 30, the peripheral side surfaces of the shaft coupling a20 and the shaft coupling b25 are fixedly provided with two conversion bevel gears 31 and a second driven bevel gear 32, the peripheral side surfaces of the two conversion bevel gears 31 are respectively meshed with the two first driven bevel gears 30 at adjacent positions, the peripheral side surfaces of the second driven bevel gears 32 are meshed with the linkage bevel gear 16, the first driven bevel gears 30 at the outer shaft a18 and the first driven bevel gears 30 at the inner shaft a19 are symmetrically arranged by taking the horizontal plane of the axis of the shaft coupling a20 as an axis, and the first driven bevel gears 30 at the outer shaft b23 and the first driven bevel gears 30 at the inner shaft b24 are symmetrically arranged by taking the horizontal plane of the axis of the shaft coupling b25 as an axis.
When the servo motor 8 outputs the rotating speed, the outer shaft a18 and the inner shaft a19 are in a coaxial reverse differential rotation state through the arrangement of the shaft coupling a20 and the shaft coupling b25, the outer shaft b23 and the inner shaft b24 are in a coaxial reverse differential rotation state, and the stirring strength of the stirring module and the cleaning strength of the cleaning module are effectively improved through the arrangement of the outer shaft a18 and the inner shaft a19 in the coaxial reverse differential rotation state and the outer shaft b23 and the inner shaft b24 in the coaxial reverse differential rotation state.
Through the angle setting of lower shower nozzle 33 and last orifice 34 to effectively improve the scouring strength and the clear wall effect of lower shower nozzle 33 and upper orifice 34 to reaction dish 12 inner wall debris.
The drying module comprises a spin seat 35 which is connected with the lifting frame 2 in a rotating way and is arranged vertically, a third driven bevel gear 36 which is meshed with the linkage bevel gear ring 16 is fixedly arranged on the peripheral side surface of the spin seat 35, and a U-shaped electric heating rod 43 is fixedly arranged in the spin seat 35.
The titration module comprises a group of titration cylinders 37 which are distributed in a circumferential array and are vertically arranged, the circumferential side surface of the titration cylinders 37 is fixedly connected with the lifting frame 2, a buret 38 is fixedly communicated with the bottom surface of the titration cylinders 37, and a flowmeter 39 and a valve 40 are sequentially and fixedly arranged inside the buret 38 from top to bottom.
The titration cylinder 37 is made of transparent materials, the titration cylinder 37 is used for displaying the storage operation of the reaction reagent, a liquid replenishing pipe is fixedly arranged on the upper portion of the titration cylinder 37, a graduated scale is fixedly arranged on the peripheral side face of the titration cylinder 37, and quantitative titration of the titration pipe 38 is achieved through the arrangement of the flowmeter 39 and the valve 40.
To sum up: the beneficial effects of the invention are embodied in that
Through the setting of detection mechanism, transposition rotating frame and many reaction dishes, make this device can high-efficient completion food's detection operation, and this device is when detecting food, through the multistation structure setting of reaction dish, can accomplish the continuous classification detection to similar food, through the realization of above-mentioned continuous classification detection function of similar food to the detection efficiency and the multifunctionality when detecting of this device are effectively improved.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (2)
1. The food additive detection process is characterized by comprising the following steps of;
SS001, presetting, cleaning, sterilizing and pre-drying a reaction vessel (12) in a sample rotating mechanism in a detection device in sequence before detection operation, storing a sufficient amount of chromogenic reaction reagent into a titration module after the reaction vessel (12) is processed, and simultaneously pre-calibrating the detection mechanism, and storing a sufficient amount of sterilizing cleaning liquid into a cleaning module;
SS002, sample injection, SS001 step, reserving a reaction vessel (12), injecting a sufficient amount of disinfection cleaning liquid into the reaction vessel, adding quantitative waiting food stock solutions to be detected into each residual reaction vessel (12) in the sample rotating mechanism, and respectively adding different kinds of display reaction reagents with set doses into the food stock solutions to be detected of each reaction vessel (12) by a titration module after the food stock solutions enter;
after the steps of SS003 and SS002, each reaction vessel (12) added with the color reaction reagent sequentially enters a stirring module to be stirred, mixed and reacted, after each reaction vessel (12) is processed by the stirring module, the reaction vessel (12) with the disinfection cleaning liquid is transferred to the lower part of the stirring module, the surface of the stirring module is sufficiently cleaned, the cleaned stirring module can perform the mixing operation of the color reaction reagent and the food stock solution in the next reaction vessel (12), and after each reaction vessel (12) is mixed, each reaction vessel (12) after the reaction is stood;
performing SS004 and detection, namely enabling each reaction vessel (12) in the step of SS003 to sequentially enter a detection station of a detection mechanism after the reaction vessels (12) are kept stand for 5min, then performing color development detection, and outputting a detection result in real time after the color development detection of the detection mechanism is finished;
SS005, self-cleaning, the reaction vessel (12) after finishing detection enters the unloading station sequentially, after the reaction vessel (12) enters the unloading station, the electromagnetic valve (14) at the reaction vessel (12) is opened and the reaction liquid is fully discharged, the reaction vessel (12) from which the reaction liquid is discharged is cleaned by the cleaning module, and the reaction vessel (12) after finishing cleaning is shifted to the drying module for drying and drying so as to be subjected to next detection operation;
the detection device comprises a bottom frame (1), wherein the top of the bottom frame (1) is connected with a lifting frame (2) in a sliding manner, a lifting push rod (3) which is vertically arranged is arranged between the lifting frame (2) and the opposite surface of the bottom frame (1), the surfaces of the sample rotating mechanism and the detection mechanism are fixedly connected with the bottom frame (1), the surfaces of the stirring module, the titration module, the cleaning module and the drying module are fixedly connected with the lifting frame (2), and the stirring module, the cleaning module and the drying module are all driven by a sample rotating mechanism;
the detection mechanism comprises a detection frame (4) fixedly connected with the underframe (1), the surface of the spectrophotometer (5) is fixedly connected with the detection frame (4), and the sample rotating mechanism respectively comprises an indexing motor (7), a servo motor (8), an indexing rotating seat (9), a shaft cylinder (10) rotatably connected to the inner wall of the indexing rotating seat (9) and a transmission rotating cylinder (11) rotatably connected to the inner wall of the lifting frame (2); the surface of the servo motor (8) is fixedly connected with the lifting frame (2), the output shaft end of the servo motor (8) is in transmission connection with the transmission rotary cylinder (11), a driving bevel gear is fixedly arranged at the output shaft end of the servo motor (8), a driven bevel gear and a linkage bevel gear ring (16) are fixedly arranged on the peripheral side surface of the transmission rotary cylinder (11) respectively, the peripheral side surface of the driving bevel gear is in transmission connection with the driven bevel gear, the surface of the indexing motor (7) is fixedly connected with the underframe (1), the output shaft end of the indexing motor (7) is fixedly connected with the indexing rotary cylinder (9), a group of reaction dishes (12) distributed in a circumferential array are rotationally connected to the inner wall of the indexing rotary cylinder (9), the reaction dishes (12) are made of transparent glass materials, each reaction dish (12) is driven by the shaft cylinder (10), a discharge pipe (13) is fixedly communicated with the bottom end of the reaction dish (12), the electromagnetic valve (14) is arranged in the interior of the discharge pipe (13), the inner wall of the shaft cylinder (10) is in transmission connection with the guide shaft (15), and the guide shaft (11) is fixedly connected with the transmission rotary cylinder (11). The stirring module comprises an outer shaft a (18) which is rotationally connected with a lifting frame (2) and is vertically arranged, an inner shaft a (19) which is rotationally connected with the inner wall of the outer shaft a (18) and a shaft coupling a (20) which is rotationally connected with the lifting frame (2), wherein the circumferential side surface of the outer shaft a (18) is in transmission connection with the inner shaft a (19) through the shaft coupling a (20), the tail end of the shaft coupling a (20) is in transmission connection with a linkage cone gear ring (16), the bottom end of the inner shaft a (19) is fixedly provided with a U-shaped stirring frame (21), and two groups of symmetrically arranged stirring rods (22) are respectively arranged on the circumferential side surface of the outer shaft a (18) and correspond to the inner side position of the U-shaped stirring frame (21); the cleaning module comprises an outer shaft b (23) which is rotationally connected with the lifting frame (2) and is vertically arranged, an inner shaft b (24) which is rotationally connected with the inner wall of the outer shaft b (23), a shaft coupling b (25) which is rotationally connected with the lifting frame (2) and a liquid storage tank (26) which is fixed in the lifting frame (2); the device is characterized in that the peripheral side surface of the outer shaft b (23) is in transmission connection with the inner shaft b (24) through a shaft coupling b (25), the tail end of the shaft coupling b (25) is in transmission connection with a linkage cone gear ring (16), a liquid distribution runner is fixedly arranged at the position of the axis of the inner shaft b (24), a pump body is fixedly arranged on the bottom surface of the liquid storage tank (26), one end of a liquid inlet of the pump body is fixedly communicated with the liquid storage tank (26), one end of a liquid outlet of the pump body is in rotary communication with the liquid distribution runner, a lower spray seat (27) communicated with the liquid distribution runner is fixedly arranged at the bottom end of the inner shaft b (24), a group of lower spray heads (33) distributed in a circumferential array are fixedly communicated with the bottom surface of the lower spray seat (27), a cleaning brush (28) matched with the inner diameter of the reaction vessel (12) is arranged at the position above the peripheral side surface of the lower spray seat (24), an upper spray seat (29) is arranged at the position above the peripheral side surface of the corresponding cleaning brush (28), and the upper spray seat (29) is fixedly communicated with the bottom surface of the waste liquid storage tank (41) below the lower spray seat (1); a group of upper spray holes (34) distributed in a circumferential array are formed in the circumferential side surface of the upper spray seat (29); the lower spray nozzle (33) and the upper spray hole (34) are arranged in a downward inclined mode, and the included angles between the axes of the lower spray nozzle (33) and the upper spray hole (34) and the horizontal plane are 45 degrees; the top of each of the outer shaft a (18), the outer shaft b (23), the inner shaft a (19) and the inner shaft b (24) is fixedly provided with a first driven conical tooth (30), the peripheral sides of each of the shaft coupling a (20) and the shaft coupling b (25) are fixedly provided with two conversion conical teeth (31) and a second driven conical tooth (32), the peripheral sides of the two conversion conical teeth (31) are respectively meshed with the two first driven conical teeth (30) at adjacent positions, the peripheral sides of the second driven conical teeth (32) are meshed with the linkage conical tooth ring (16), the first driven conical teeth (30) at the outer shaft a (18) and the first driven conical teeth (30) at the inner shaft a (19) are symmetrically arranged by taking the horizontal plane where the axis of the shaft coupling a (20) is located, and the first driven conical teeth (30) at the outer shaft b (23) and the first driven conical teeth (30) at the inner shaft b (24) are symmetrically arranged by taking the horizontal plane where the axis of the shaft coupling b (25) is located; the drying module comprises a spin seat (35) which is connected with the lifting frame (2) in a rotating way and is vertically arranged, a third driven bevel gear (36) meshed with the linkage bevel gear ring (16) is fixedly arranged on the peripheral side surface of the spin seat (35), and a U-shaped electric heating rod (43) is fixedly arranged in the spin seat (35); the titration module comprises a group of titration cylinders (37) which are distributed in a circumferential array and are vertically arranged, the circumferential surface of the titration cylinders (37) is fixedly connected with the lifting frame (2), a buret (38) is fixedly communicated with the bottom surface of the titration cylinders (37), and a flowmeter (39) and a valve (40) are sequentially and fixedly arranged in the buret (38) from top to bottom; an inner gear ring (42) is fixedly arranged at the upper part of the shaft barrel (10), and an outer gear ring (17) in transmission connection with the inner gear ring (42) is fixedly arranged at the upper part of the reaction vessel (12).
2. The food additive detection process according to claim 1, characterized in that the top of the lifting frame (2) is fixedly provided with a central control panel (6) in data connection with a spectrophotometer (5).
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