CN109738319B - Integrated experimental device for simulating friction and wear of food and food machinery - Google Patents
Integrated experimental device for simulating friction and wear of food and food machinery Download PDFInfo
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- CN109738319B CN109738319B CN201910193617.2A CN201910193617A CN109738319B CN 109738319 B CN109738319 B CN 109738319B CN 201910193617 A CN201910193617 A CN 201910193617A CN 109738319 B CN109738319 B CN 109738319B
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- 235000013305 food Nutrition 0.000 title claims abstract description 143
- 238000002474 experimental method Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 57
- 230000007246 mechanism Effects 0.000 claims description 47
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001069 Raman spectroscopy Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 22
- 238000012216 screening Methods 0.000 abstract description 7
- 230000003028 elevating effect Effects 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 15
- 238000005299 abrasion Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000011897 real-time detection Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019633 pungent taste Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model provides an integrative experimental apparatus of simulation food and food machinery frictional wear, includes food sorter, device of fitting, frictional wear experimental apparatus, detects adjusting device, auxiliary execution device includes first manipulator, second manipulator, third manipulator, elevating gear is located the device of fitting with frictional wear experimental apparatus is between, first manipulator is located the food sorter with between the device of fitting, the second manipulator is located the device of fitting with between the elevating gear, the third manipulator is located elevating gear with between the frictional wear experimental apparatus. The invention can automatically carry out food screening, sample insertion and friction and wear experiments, and can carry out environment regulation and control in the experimental process and simulation of friction and wear of integrated food and food machinery in real detection when the surface is worn.
Description
Technical Field
The invention relates to equipment for simulating friction and wear of food and food machinery, in particular to an integrated experimental device capable of realizing the real-time detection from friction and wear experiments under the conditions of food sorting, sample insertion and environmental regulation to wear surfaces.
Background
Along with the continuous improvement of the types and the requirements of people on food demands, food processing becomes an unavoidable link. During food processing and transportation, the food is always in contact with the food machine and with the surface of the transportation machine and various degrees of frictional wear occur. Wear on the surface of the food machine will significantly affect the life of the machine parts and also affect food safety to a different extent. The friction and abrasion of food on the surface of the machine can cause a series of problems, the surface roughness of the food machine caused by abrasion can reduce the food processing efficiency and the processing quality, food residues are easy to cause, bacteria are easy to adhere and reproduce, and the hidden trouble of deterioration occurs. It is therefore necessary to simulate and monitor the frictional wear process during food processing.
Simulating food and food machinery frictional wear requires solving the following major problems. Firstly, the reliability of food sample sources; secondly, the experimental property of the food sample; thirdly, controllability of a friction and wear experiment process; fourth, the detection of the frictional wear process. In the aspect of the reliability of food sample sources, firstly, food raw materials need to be screened in the process of simulating food processing to ensure the accuracy and the repeatability of experiments, and large errors exist in manual screening of foods, so that the accuracy of the experiments can be influenced, and when the required experimental foods are more, the manual screening workload is large, so that the reliability problem needs to be solved urgently. In the aspect of the experimental performance of food samples, samples which can be clamped by a friction and wear testing machine are required to be obtained by the screened food in order to carry out friction and wear tests, cold inlaying is very suitable for food samples by adopting dental tray powder and dental tray water, but the liquid level of the liquid for inlaying is required to be concerned in the process of inlaying, and the liquid is also accompanied with a pungent taste and is easy to adhere to hands, so that the process of inlaying is very inconvenient, and manual inlaying is relatively complex and has high labor intensity. In the aspect of controllability of the friction and wear process, temperature, humidity, rotating speed and the like in the experimental process need to be regulated and simulated due to great differences of different food processing processes, and the temperature, the humidity, the rotating speed and the like have very important influences on the experimental process and the result. In the aspect of detection of the friction and wear process, food is taken as an organic matter, and sensitivity to temperature and oxidation in the friction and wear process can lead to corresponding changes of wear products on the friction surface and the surface of a food sample under different conditions, so that it is important to timely detect the changes, otherwise, when the detection is carried out after the experiment is finished, the surface of the sample is often subjected to new changes due to temperature changes. However, the existing devices for simulating the friction and abrasion between food and food machinery are few, and few in the aspects of food sample screening, sample preparation, environment adjustment, real-time detection and the like are considered, so that the simulation of the friction and abrasion of the food and food machinery is difficult to meet.
Therefore, there is an urgent need to develop an apparatus for simulating frictional wear of foods and food machines, which can automatically perform food screening, sample insertion, frictional wear experiments, and perform environmental regulation and real-time detection of wear surfaces during the experimental process.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing an integrated experimental device for simulating friction and wear of food and food machinery.
The technical scheme adopted by the invention is as follows: an integrated experimental device for simulating friction and wear of food and food machinery comprises a food sorter, a sample inserting device, a friction and wear experimental device, a detection and adjustment device and an auxiliary execution device.
The experimental device for simulating the whole friction and wear process of food and food machinery provided by the invention also adopts the following auxiliary technical scheme:
the auxiliary execution device comprises a first manipulator, a second manipulator, a third manipulator and a lifting device, wherein the lifting device is positioned between the sample inserting device and the friction and wear experimental device, the first manipulator is positioned between the food sorter and the sample inserting device, the second manipulator is positioned between the sample inserting device and the lifting device, and the third manipulator is positioned between the lifting device and the friction and wear experimental device.
The food sorter comprises a food conveying mechanism, a food sorting mechanism, a food detection mechanism and a food collection mechanism, wherein the food sorting mechanism is connected with one end of the food conveying mechanism, the food detection mechanism is arranged above the food conveying mechanism, the food collection mechanism is arranged below the food sorting mechanism, the food collection mechanism comprises a qualified product bin and a unqualified product bin, the food detection mechanism comprises a laser scanner and a surface roughness tester, and the size requirement error of the qualified product detected by the food detection mechanism is controlled within a specified range.
The food sorting mechanism comprises a blanking hopper and a sorting channel, wherein the blanking hopper is positioned at one end of the conveying mechanism, and the sorting channel is positioned below the blanking hopper.
The device of fitting patterns includes box, orifice plate, level sensor, agitator, the box includes the feed liquor valve, the agitator includes inlet, liquid outlet, impeller, the apron includes position sensor, liquid outlet one end with the agitator is connected, the other end with the box is connected.
The lifting device comprises a lifting plate, a carrying disc, a rotating shaft and a fixed shaft, one end of the fixed shaft is positioned at the middle position of the carrying disc, and the other end of the fixed shaft is fixed on the lifting plate.
The friction and wear experimental device comprises a frame, an upper experimental table, a lower experimental table, a supporting device and a protective cover plate, wherein the protective cover plate comprises a side lifting door, and the detection and adjustment device comprises a Raman spectrometer, an optical microscope, an experimental environment adjustment device, a rotating wheel and a connecting rod.
The upper experiment table is connected with the frame, the lower experiment table is fixed on the supporting device, the experiment environment adjusting device is fixed on the protection cover plate, the rotating wheel is installed on the supporting device, the optical microscope and the Raman spectrometer are fixed on the rotating wheel, the supporting device comprises a telescopic table, the rotating disc, and the telescopic table comprises a rotating device.
The experimental environment adjusting device comprises a temperature adjusting device and a humidity adjusting device, the experimental environment adjusting device is fixed at the upper end and the lower end on the right side of the protection cover plate, the temperature adjusting device comprises an air outlet pipe, an air exhaust control valve and a return pipe, the air exhaust control valve is installed at the upper end of the air outlet pipe, the return pipe is installed at the lower part of the protection cover plate, a temperature controller is installed in the air outlet pipe, a fan and a heater are installed in the protection cover plate, and the humidity adjusting device comprises a singlechip, a humidity sensor, a relay and a humidifier.
The friction and wear experimental device comprises a reciprocating friction and wear experimental device and a rotary friction and wear experimental device, whether the rotary device rotates or not can be controlled to respectively realize the reciprocating friction and wear experimental device and the rotary friction and wear experimental device, when the rotary device rotates, the upper experimental table is fixed, the lower experimental table rotates, the rotary friction and wear experimental device can be realized, when the rotary device is fixed, the upper experimental table reciprocates, and the lower experimental table is fixed, and the reciprocating friction and wear experimental device can be realized.
According to the integrated experimental device for simulating friction and wear of food and food machinery, compared with the prior art, the integrated experimental device has the following advantages: firstly, the invention realizes the whole process from food sample source screening to mounting to friction and abrasion and then to abrasion surface detection, and the integrated design avoids experimental errors caused by human factors to the greatest extent, so that the simulation of the friction and abrasion of food and food machinery becomes more accurate, and experimental staff is liberated to the greatest extent; secondly, the design of the food sorter is introduced, food is automatically screened and inlaid, human errors are reduced, manpower is saved, and the accuracy and repeatability of experimental results are enhanced by automatically screening the shape, the diameter and the roughness of the food in the same standard; thirdly, the invention can realize the adjustment of temperature and humidity in the experimental process, can keep the experiment at the specified temperature, and can also change the experimental conditions by adjusting the temperature, thereby simulating the temperature and the humidity according to the actual conditions in different food processing processes; fourth, can carry on real-time detection to sample surface morphology and microstructure through the conversion of the optical microscope and Raman spectrometer, carry on real-time analysis to wear mark and wear product of the wearing surface, obtain more accurate information, have avoided the existing experiment to lead to the problem that the friction surface product changes because of the time interval in the analysis process; fifth, reciprocating frictional wear and rotary frictional wear can be respectively realized by controlling whether the rotary device rotates, and the device is suitable for different testing conditions.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic view of the structure of a food classifier
FIG. 3 is a schematic view of a mounting device
FIG. 4 is a schematic diagram of the structure of an orifice plate
FIG. 5 is a schematic view of the structure of the detecting and adjusting device
FIG. 6 is a schematic structural view of a temperature regulating device
FIG. 7 is a schematic view of a humidity controlling apparatus
Fig. 8 is a schematic structural view of the tray.
Description of the embodiments
Referring to fig. 1, an integrated experimental device for simulating friction and wear of food and food machinery comprises a food sorter 1, a sample inserting device 2, a friction and wear experimental device 3, a detection and adjustment device 4 and an auxiliary executing device.
The auxiliary execution device comprises a first manipulator 51, a second manipulator 52, a third manipulator 53 and a lifting device 54, wherein the lifting device 54 is positioned between the sample inserting device 2 and the friction and wear experiment device 3, the first manipulator 51 is positioned between the food sorter 1 and the sample inserting device 2, the second manipulator 52 is positioned between the sample inserting device 2 and the lifting device 54, the third manipulator 53 is positioned between the lifting device 54 and the friction and wear experiment device 3, the first manipulator 51 places screened food into the sample inserting device 2, the second manipulator 52 places the embedded sample into the lifting device 54, the third manipulator 53 takes the sample out of the lifting device 54 and places the sample into the friction and wear experiment device 3, and the lifting device 54 can realize multiple sample transportation at one time.
Referring to fig. 1 and 2, the food sorter 1 includes a food conveying mechanism 11, a food sorting mechanism 12, a food detecting mechanism 13, and a food collecting mechanism 14, the food sorting mechanism 12 is connected with one end of the food conveying mechanism 11, the food detecting mechanism 13 is disposed above the food conveying mechanism 11, the food collecting mechanism 14 is disposed below the food sorting mechanism 12, the food collecting mechanism 14 includes a qualified product bin 141 and a non-qualified product bin 142, the food detecting mechanism 13 includes a laser scanner 131 and a surface roughness tester 132, the food detecting mechanism 13 scans the appearance of the food through the laser scanner 131 and calculates the diameter of the food through computer software, the surface roughness tester 132 detects the surface smoothness of the food, when the errors of the appearance, the diameter and the surface smoothness of the food are all within 3% (the control of the error standard can be adjusted according to the actual requirement), the sorting channel 122 connected with the qualified product bin 141, and when the errors of the appearance, the diameter and the surface smoothness of the food are only one error of the three is greater than 3% (the control can be adjusted according to the actual requirement), the non-qualified product bin 122 is connected with the sorting channel 122.
Referring to fig. 2, the food sorting mechanism 12 includes a blanking hopper 121, a sorting channel 122, the blanking hopper 121 is located at one end of the food conveying mechanism 11, and the sorting channel 122 is located below the blanking hopper 121.
Referring to fig. 3 and 4, the sample mounting device 2 includes a box 21, an orifice plate 22, a liquid level sensor 23, and a stirrer 24, the box 21 includes a liquid inlet valve 211, the stirrer 24 includes a powder inlet 241, a liquid inlet 242, a liquid outlet 243, and an impeller 244, one end of the liquid outlet 243 is connected to the stirrer 24, the other end is connected to the box 21, dental tray powder enters the stirrer from the powder inlet 241, dental tray water enters the stirrer from the liquid inlet 242, then the powder inlet 241, the liquid inlet 242, and the liquid inlet valve 211 are closed, the liquid inlet valve 211 is opened after the stirring is completed to enable the sample mounting liquid to flow into the box 21, the liquid level sensor 23 is used for controlling the liquid level of the sample mounting liquid, the liquid level sensor controls the opening and closing of the liquid inlet valve 211, when the liquid level in the box 21 reaches the liquid level, the liquid level reaches the liquid level of the orifice plate 211, and the sample mounting liquid level can be further closed when the liquid level in the box 21 reaches the liquid level of the liquid mounting valve, and the sample mounting liquid level reaches the liquid level of the liquid mounting valve is further closed after the stirring is completed.
Referring to fig. 1 and 8, the lifting device 54 includes a lifting plate 541, a carrying tray 542, a rotating shaft 543, and a fixed shaft 544, one end of the fixed shaft 544 is located at the middle position of the carrying tray 542, and the other end of the fixed shaft 544 is fixed to the lifting plate 541, the fixed shaft 544 can adjust the distance between the carrying tray 542 and the lifting plate 541 to ensure that the food can be stabilized and the original shape of the food is not damaged during the transportation process, the carrying tray 542 has a plurality of holes for placing a plurality of samples, the sizes of the holes are not consistent and suitable for sample-inserting samples of different sizes, when the sizes of the sample-inserting samples are changed, the carrying tray does not need to be replaced, the rotating shaft 543 rotates clockwise by a certain angle according to the division angle of the carrying tray 542, the second manipulator 52 divides the plurality of samples into suitable divisions, the rotating shaft 543 rotates counterclockwise by the same angle to enable the third manipulator 53 to take out the samples, and the fixed shaft 544 can adjust the height according to the height of the samples, so that the lifting device 54 can be ensured to transport the samples stably without damaging the samples.
Referring to fig. 1 and 5, the frictional wear experiment device 3 includes a frame 31, an upper experiment table 32, a lower experiment table 33, a supporting device 34, and a protective cover 35, the protective cover 35 includes a side elevating door 351, the detection and adjustment device 4 includes a raman spectrometer 41, an optical microscope 42, an experiment environment adjustment device 43, a rotating wheel 44, and a connecting rod 45, the raman spectrometer 41 analyzes components of a sample, the optical microscope 42 detects microstructure changes of the sample in real time, the protective cover 35 is favorable for temperature and humidity adjustment, the automatic sample placement into the lower experiment table 33 can be realized through the opening and closing of the side elevating door 351 and the cooperation of the third manipulator 53, the upper experiment table 32 is used for mounting the upper sample, and the lower experiment table 33 is used for mounting the lower sample.
The upper experiment table 32 is connected with the frame 31, the lower experiment table 33 is fixed on the supporting device 34, the experiment environment adjusting device 43 is fixed on the protection cover plate 35, the rotating wheel 44 is installed on the supporting device 34, the raman spectrometer 41 and the optical microscope 42 are fixed on the rotating wheel 44, the supporting device 34 comprises a telescopic table 341 and a rotating disc 342, the telescopic table 341 comprises a rotating device 3411, the telescopic table can adjust the distance between the lower experiment table 33 and the upper experiment table 32, the frame 31 supports the friction and abrasion experiment device 3, and the rotating wheel 44 can realize the switching of the raman spectrometer 41 and the optical microscope 42.
Referring to fig. 5 to 7, the experimental environment adjusting device 43 comprises a temperature adjusting device 431 and a humidity adjusting device 432, the experimental environment adjusting device 43 is fixed at the upper end and the lower end of the right side of the protective cover plate 35, the temperature adjusting device 431 comprises an air outlet pipe 4311, an air exhaust control valve 4312 and a return pipe 4313, the air exhaust control valve 4312 is installed at the upper end of the air outlet pipe 4311, a temperature controller 4314 is installed in the air outlet pipe 4311, the return pipe 4313 is installed at the lower end of the protective cover plate 35, a fan 4315 and a heater 4316 are installed in the protective cover plate 35, the humidity adjusting device 432 comprises a singlechip 4321, a humidity sensor 4322, a relay 4323 and a humidifier 4324, when the temperature of the temperature controller 4314 is lower than the required temperature, the temperature of the experimental device 4314 is formed through the cooperation of the fan 4315 and the heater 4316, the air outlet pipe 4311 is utilized to perform temperature adjustment, the circulation of hot air is formed through the cooperation of the air outlet pipe 4313, the hot air flow is realized, the heat efficiency is reasonably utilized, when the temperature controller 4314 is higher than the temperature controller 4314, the temperature controller 4314 is lower than the required by the temperature controller 4324, and the humidity controller 4324 is required to be opened, and the humidity controller 4324 is required to reach the humidity value when the humidity value of the humidity controller 4324, and the humidity is required to be reduced by the humidity value.
The food is poured from the blanking hopper 121 of the food sorting mechanism 12, and the shape, diameter and surface roughness of the food are detected by the laser scanner 131 and the surface roughness tester 132 of the food detecting mechanism 13. When the errors of the appearance, the diameter and the surface smoothness of the food are all within 3%, the food enters the sorting channel 122 connected with the qualified product bin 141, and when the errors of the appearance, the diameter and the surface smoothness of the food are only more than 3%, the food enters the sorting channel 122 connected with the unqualified product bin 142. The food is conveyed to the corresponding sorting channel 122 by the food conveying mechanism 11, and the first manipulator 51 puts the screened qualified products into the orifice plate 22 of the sample inserting device 2 from the qualified product bin 141 to enter a sample inserting process. The dental tray powder enters the stirrer 24 from the powder inlet 241, the dental tray liquid enters the stirrer 24 from the liquid inlet 242, the powder inlet 241, the liquid inlet 242 and the liquid inlet valve 211 are all closed, the liquid insert is uniformly stirred by the rotation of the impeller 244, the liquid insert valve 211 is opened after stirring is finished so that the liquid insert flows into the box body 21, and the box body 21 is used for storing the liquid insert. The liquid level sensor 23 controls the liquid level of the liquid sample, when the liquid sample in the box 21 reaches the liquid level, the liquid inlet valve 211 is closed, and when the liquid sample in the box 21 does not reach the liquid level, the liquid inlet valve 211 is opened to enable the liquid sample to continuously flow into the box 21 until the liquid sample reaches the liquid level, and the liquid sample uniformly enters the pore plate 22. After finishing the sample insertion, the second manipulator 52 takes out the sample from the sample insertion device 2 and puts the sample into the carrying tray 542 of the lifting device 54, and the distance between the carrying tray 542 and the lifting plate 541 is adjusted by changing the height of the fixed shaft 544. The rotation shaft 543 rotates clockwise by a certain angle according to the division angle of the carrying tray 542, so that the second manipulator 52 puts a plurality of samples into appropriate divisions in batches, the samples are conveyed to the same height of the friction and wear test device 3 by the lifting device 54, the rotation shaft 543 rotates anticlockwise by the same angle, so that the third manipulator 53 takes out the samples to put into the lower test table 33, adjusts the distance between the lower test table 33 and the upper test table 32 through the telescopic table 341 and loads the samples, and then the samples enter the friction and wear test process. The frictional wear test can be divided into two cases, the first case, the upper test bench 32 is fixed, the lower test bench 33 is driven to rotate by the rotating device 3411, which is a rotating frictional wear test device, and the second case, the upper test bench 32 is reciprocated, and the lower test bench 33 is fixed, which is a reciprocating frictional wear test device. The temperature and humidity are regulated by the temperature regulating device 431 and the humidity regulating device 432, when the experimental temperature is lower than the required temperature, the temperature regulating device 431 forms hot air through the matching of the fan 4315 and the heater 4316, the temperature is regulated by the hot air, and the circulation of hot air flow is formed through the matching of the air outlet pipe 4311 and the return pipe 4313; when the experimental temperature is higher than the required temperature, the temperature regulating device 431 only turns on the fan 4315, the experimental temperature is reduced through the cooperation of the air outlet pipe 4311 and the return pipe 4313, and when the humidity value is lower than the set threshold value; the relay 4323 responds to control the humidifier 4324 to work, and when the humidity reaches a threshold value; the humidifier 4324 stops the operation when the indoor humidity reaches the required value. The optical microscope 42 detects the microscopic morphology of the sample from time to time, the data is recorded by a computer, and when the microstructure is changed, the raman spectrometer 41 detects and records the composition of the sample surface and the frictional wear surface by the rotating wheel 44.
Claims (4)
1. An integrated experimental device for simulating friction and wear of food and food machinery, which is characterized in that: comprises a food sorter, a sample inserting device, a friction and wear experiment device, a detection and adjustment device and an auxiliary execution device; the auxiliary execution device comprises a first manipulator, a second manipulator, a third manipulator and a lifting device, wherein the lifting device is positioned between the sample inserting device and the friction and wear experiment device, the first manipulator is positioned between the food sorter and the sample inserting device, the second manipulator is positioned between the sample inserting device and the lifting device, and the third manipulator is positioned between the lifting device and the friction and wear experiment device; the food sorter comprises a food conveying mechanism, a food sorting mechanism, a food detection mechanism and a food collection mechanism, wherein the food sorting mechanism is connected with one end of the food conveying mechanism, the food detection mechanism is arranged above the food conveying mechanism, the food collection mechanism is arranged below the food sorting mechanism, the food collection mechanism comprises a qualified product bin and a unqualified product bin, and the food detection mechanism comprises a laser scanner and a surface roughness tester; the sample inserting device comprises a box body, a pore plate, a liquid level sensor and a stirrer, wherein the box body comprises a liquid inlet valve, the stirrer comprises a powder inlet, a liquid outlet and an impeller, one end of the liquid outlet is connected with the stirrer, and the other end of the liquid outlet is connected with the box body; the lifting device comprises a lifting plate, a carrying disc, a rotating shaft and a fixed shaft, one end of the fixed shaft is positioned at the middle position of the carrying disc, and one end of the fixed shaft is fixed on the lifting plate; the friction and wear experimental device comprises a frame, an upper experimental table, a lower experimental table, a supporting device and a protective cover plate, wherein the protective cover plate comprises a side lifting door, and the detection and adjustment device comprises a Raman spectrometer, an optical microscope, an experimental environment adjustment device, a rotating wheel and a connecting rod; the upper experiment table is connected with the frame, the lower experiment table is fixed on the supporting device, the experiment environment adjusting device is fixed on the protection cover plate, the rotating wheel is arranged on the supporting device, and the optical microscope and the Raman spectrometer are fixed on the rotating wheel; the food sorting mechanism comprises a blanking hopper and a sorting channel, wherein the blanking hopper is positioned at one end of the conveying mechanism, and the sorting channel is positioned below the blanking hopper.
2. The integrated experimental set-up for simulating frictional wear of food and food machinery according to claim 1, wherein: the experimental environment adjusting device comprises a temperature adjusting device and a humidity adjusting device, the experimental environment adjusting device is fixed at the upper end and the lower end on the right side of the protective cover plate, the temperature adjusting device comprises an air outlet pipe, an air exhaust control valve and a return pipe, the air exhaust control valve is installed at the upper end of the air outlet pipe, a temperature controller is installed in the air outlet pipe, the return pipe is installed at the lower end of the protective cover plate, a fan and a heater are installed in the protective cover plate, and the humidity adjusting device comprises a singlechip, a humidity sensor, a relay and a humidifier.
3. The integrated experimental set-up for simulating frictional wear of food and food machinery according to claim 1, wherein: the friction and wear experimental device comprises a reciprocating friction and wear experimental device and a rotary friction and wear experimental device.
4. An integrated experimental device for simulating frictional wear of food and food machinery according to claim 3, wherein: the reciprocating type friction and wear experimental device is characterized in that the upper experimental table moves in a reciprocating mode, the lower experimental table is fixed, the upper experimental table is fixed, and the lower experimental table rotates.
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| CN114486758A (en) * | 2022-01-24 | 2022-05-13 | 北京工商大学 | Residual food storage container with safety detection function and use method thereof |
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