CN110286102B - Device for on-line detecting tobacco shred blending uniformity - Google Patents
Device for on-line detecting tobacco shred blending uniformity Download PDFInfo
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- CN110286102B CN110286102B CN201910575282.0A CN201910575282A CN110286102B CN 110286102 B CN110286102 B CN 110286102B CN 201910575282 A CN201910575282 A CN 201910575282A CN 110286102 B CN110286102 B CN 110286102B
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 498
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 498
- 238000002156 mixing Methods 0.000 title claims abstract description 43
- 238000001228 spectrum Methods 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims description 48
- 239000000523 sample Substances 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 10
- 238000002329 infrared spectrum Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 14
- 235000019504 cigarettes Nutrition 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 125000004122 cyclic group Chemical group 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000007430 reference method Methods 0.000 description 2
- 230000000391 smoking effect Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D5/00—Control of dimensions of material
- G05D5/02—Control of dimensions of material of thickness, e.g. of rolled material
- G05D5/03—Control of dimensions of material of thickness, e.g. of rolled material characterised by the use of electric means
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- 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
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- General Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The utility model discloses a device for detecting tobacco shred blending uniformity on line, which comprises an upper tobacco shred conveying belt and a lower tobacco shred conveying belt connected with the upper tobacco shred conveying belt, wherein the output end of the upper tobacco shred conveying belt is provided with a tobacco shred automatic quantitative acquisition system, the output end of the tobacco shred automatic quantitative acquisition system is connected with a tobacco shred spectrum circulation acquisition system, and the output end of the tobacco shred spectrum circulation acquisition system is connected with the lower tobacco shred conveying belt; the tobacco shred spectrum circulation collection system comprises a circulation working state and a non-circulation working state, wherein in the non-circulation working state, the output end of the tobacco shred circulation conveying belt is connected with the lower-stage tobacco shred conveying belt, and in the circulation working state, the output end of the tobacco shred circulation conveying belt is connected with the input end of the tobacco shred circulation conveying belt.
Description
Technical Field
The utility model relates to the technical field of tobacco detection equipment, in particular to a device for detecting tobacco shred blending uniformity on line.
Background
The quality of the tobacco shred blending uniformity directly affects the rolling quality, the sensory quality and the stability of style characteristics of the cigarette product, and is an important influencing factor of the quality homogenization degree of the cigarette product. Therefore, the uniformity of tobacco shred blending can be rapidly and accurately detected and evaluated, the support can be provided for the parameter adjustment of process control such as the feeding amount of raw materials, equipment parameters and the like in the processing process, and the reference can be provided for the evaluation of the stability and the product quality in the production process, so that the process control level of cigarette processing enterprises and the uniformity level of the quality of cigarette products are improved.
Currently, the near infrared on-line technology in the tobacco field is applied in a manner that a near infrared probe is arranged above a material conveyor belt, and near infrared information of materials is scanned along with the flow of the materials. But the method can only obtain the spectrum information of the surface material, and the material is scanned once, so that the accuracy of the prediction result is lower and the error is larger.
The utility model relates to an online rapid detector for tobacco shred perfuming uniformity, which comprises the following steps: CN201653961U, bulletin day: 2010.11.24 the utility model relates to an online rapid detector for tobacco shred flavoring uniformity, which comprises a first sensor 1, a second sensor 2, a detection point measuring circuit 3, a reference point measuring circuit 4 and a data acquisition module 5; the first sensor 1 is connected with the data acquisition module 5 through the detection point measuring circuit 3; the second sensor 2 is connected with the data acquisition module 5 through the reference point measuring circuit 4; the utility model adopts a reference method, thereby effectively eliminating the influence of environmental factors on the measurement result; the method is also suitable for detecting the concentration of other high-concentration alcohol, has no requirement on whether the environment of the detection point is airtight, can realize continuous and real-time detection, and has wide application range.
The utility model relates to a device and a method for evaluating the internal uniformity of a cigarette filter material, wherein the device and the method have the following publication numbers: CN108303342a, publication date: 2018.07.20 the utility model discloses a device and a method for evaluating the internal uniformity of a cigarette filter material, wherein the device comprises: a cigarette holder, a tubular pressure probe, a pressure measurement system, a tubular connector, a cigarette smoking system, and a data processing system, the cigarette smoking system having a suction tube sealingly connected to the cigarette holder; the input end of the data processing system is connected with the output end of the pressure measuring system. The device has wide application range, can be suitable for detecting the internal uniformity of common filter tip materials, can also be suitable for detecting the internal uniformity of special-shaped filter tip materials with special materials such as explosion beads, hollowed-out parts, grooves and the like, and can be suitable for conventional cigarette filter tip materials and slim cigarette filter tip materials.
The utility model is created by adopting a reference method to detect the flavoring uniformity of the tobacco shreds, and adopting a pressure measuring system to detect the internal uniformity of the cigarette filter tip material, wherein the uniformity of the blending of the tobacco shreds is not detected, and the uniformity is not detected by monitoring a detection spectrum.
Disclosure of Invention
The technical scheme adopted by the utility model for solving the problems is as follows:
the device for detecting the blending uniformity of the cut tobacco on line comprises an upper cut tobacco conveying belt and a lower cut tobacco conveying belt connected with the upper cut tobacco conveying belt, wherein an automatic cut tobacco quantitative acquisition system is arranged at the output end of the upper cut tobacco conveying belt, the output end of the automatic cut tobacco quantitative acquisition system is connected with a cut tobacco spectrum circulating acquisition system, and the output end of the cut tobacco spectrum circulating acquisition system is connected with the lower cut tobacco conveying belt; the tobacco shred spectrum circulation collection system comprises a circulation working state and a non-circulation working state, wherein the output end of the tobacco shred circulation conveying belt is connected with the lower-stage tobacco shred conveying belt in the non-circulation working state, and the output end of the tobacco shred circulation conveying belt is connected with the input end of the tobacco shred circulation conveying belt in the circulation working state.
Preferably, the automatic quantitative tobacco shred collecting system comprises a tobacco shred detecting mechanism and a tobacco shred quantitative sampling device; the tobacco shred quantitative sampling device comprises a tobacco shred guide plate, a tobacco shred belt scale and a tobacco shred output plate, wherein the tobacco shred belt scale is positioned under an upper tobacco shred conveying belt, the tobacco shred guide plate is positioned between the upper tobacco shred conveying belt and the tobacco shred belt scale, one end of the tobacco shred guide plate is connected with the output end of the upper tobacco shred conveying belt when the automatic tobacco shred quantitative sampling system is in a working state, and one end of the tobacco shred guide plate is positioned at the lower side of the output end of the upper tobacco shred conveying belt when the automatic tobacco shred quantitative sampling system is not in a working state; the other end of the tobacco shred guide plate is connected with a tobacco shred belt scale, and the output end of the tobacco shred belt scale is provided with a tobacco shred output plate.
Preferably, the tobacco shred guide plate comprises a tobacco shred fixing guide plate and a tobacco shred rotary guide plate hinged with one end of the tobacco shred fixing guide plate through a hinge shaft, the tobacco shred rotary guide plate is fixedly connected with the hinge shaft, and in a non-working state, the tobacco shred rotary guide plate is arranged perpendicular to a superior tobacco shred conveying belt; when in working state, the cut tobacco rotary guide plate rotates to form a cut tobacco guide opening.
Preferably, the tobacco shred guide plate and the upper tobacco shred conveyor belt are obliquely arranged, the tobacco shred guide plate comprises a tobacco shred fixing guide plate and a tobacco shred telescopic guide plate linearly arranged with the tobacco shred fixing guide plate, a hydraulic cylinder is arranged between the tobacco shred fixing guide plate and the tobacco shred telescopic guide plate, when the tobacco shred guide plate is not in an operating state, the tobacco shred telescopic guide plate is positioned at the tail end of the output end of the upper tobacco shred conveyor belt, and when the tobacco shred telescopic guide plate is in an operating state, the tobacco shred telescopic guide plate extends out of the output end of the upper tobacco shred conveyor belt.
Preferably, the tobacco shred spectrum circulation collection system comprises a tobacco shred circulation conveying belt and a tobacco shred circulation diversion channel arranged at the output end of the tobacco shred circulation conveying belt, the tobacco shred circulation conveying belt comprises a horizontal conveying belt and a circulation backflow conveying belt, a tobacco shred loose mixing mechanism, a tobacco shred thickness control mechanism, a tobacco shred spectrum collection mechanism and a circulation times counting mechanism are sequentially arranged above the horizontal conveying belt along the sliding direction of the tobacco shred circulation conveying belt, tobacco shreds output through a tobacco shred output plate are scattered on the tobacco shred loose mixing mechanism, and when in a circulation working state, the tobacco shreds output by the output end of the tobacco shred circulation conveying belt are scattered on the tobacco shred loose mixing mechanism.
Preferably, the tobacco shred circulation flow guide channel comprises a tobacco shred circulation channel and a tobacco shred rotation circulation flow guide plate hinged with one end of the tobacco shred circulation channel through a hinge shaft, the other end of the tobacco shred circulation channel is connected with the input end of the tobacco shred circulation conveying belt, and the tobacco shred rotation circulation flow guide plate is fixedly connected with the hinge shaft; in the non-circulation working state, the tobacco shred rotation circulation guide plate is perpendicular to the output end of the tobacco shred circulation conveying belt, and in the circulation working state, the tobacco shred rotation circulation guide plate rotates relative to the output end of the tobacco shred circulation conveying belt to form a tobacco shred circulation guide opening, and the tobacco shred circulation guide opening is communicated with a tobacco shred circulation channel.
Preferably, the tobacco shred loose mixing mechanism comprises a rotary roller and harrows are arranged on the circumference of the rotary roller, and at least one group of tobacco shred loose mixing mechanisms are arranged along the conveying direction of the tobacco shred circulating conveyer belt.
Preferably, the tobacco shred thickness control mechanism comprises a thickness control roller arranged on a tobacco shred circulating conveyer belt.
Preferably, the cut tobacco spectrum acquisition mechanism comprises a near infrared probe and a near infrared spectrum analyzer connected with the near infrared probe.
Preferably, the cycle count mechanism is a photoelectric counter.
The utility model has the beneficial effects that:
1. the utility model relates to a device for detecting tobacco shred blending uniformity on line, which is characterized in that the device completes the collection of quantitative tobacco shreds through an automatic quantitative collection system, then carries out cyclic collection on spectrum information of the quantitative tobacco shreds through a tobacco shred spectrum cyclic collection system, transmits the spectrum information to a near infrared spectrum analyzer, calculates an average spectrum through the near infrared spectrum analyzer and substitutes the average spectrum into a model, and completes the detection of the blending uniformity of a tobacco shred sample, wherein the detection accuracy of a detection result is higher.
2. The automatic quantitative acquisition system is designed to detect tobacco shred information, and the tobacco shreds can be conveyed to the tobacco shred belt scale through the design of the tobacco shred guide plate, so that quantitative measurement of the tobacco shreds is realized, and the tobacco shreds are conveyed into the tobacco shred spectrum circulation acquisition system through the tobacco shred output plate.
3. The utility model designs the tobacco shred spectrum circulation collection system, can scan spectrum information of quantitatively collected tobacco shreds, and realizes that the quantitatively collected tobacco shreds can be conveyed from the output end of the tobacco shred circulation conveyor belt to the input end of the tobacco shred circulation conveyor belt again by the design of the spiral tobacco shred circulation conveyor belt, so that the collected tobacco shred spectrum information is ensured to be more accurate by repeated collection.
3. The utility model is provided with the tobacco shred loosening and mixing mechanism, which is convenient for loosening and mixing the tobacco shreds, thereby being convenient for the accuracy of the follow-up information acquisition.
4. The utility model is designed with the tobacco shred thickness control mechanism, which can set the thickness of the tobacco shreds to be detected later according to the requirement, and ensure that the tobacco shred spectrum can be accurately collected by the near infrared probe, thereby ensuring the detection of the tobacco shred sample blending uniformity.
Drawings
Fig. 1 is a front view of embodiment 1:
fig. 2 is a side view of embodiment 1:
FIG. 3 is a view showing the usage of embodiment 1;
FIG. 4 is an enlarged view of embodiment 1 at a usage state diagram A;
fig. 5 is a schematic view showing a structure in which a lower tobacco shred conveyor belt is removed according to embodiment 1;
FIG. 6 is a front view of embodiment 2;
fig. 7 is an enlarged view at B of embodiment 2.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Embodiment 1:
as shown in fig. 1-4, the device for detecting the blending uniformity of the cut tobacco on line comprises an upper cut tobacco conveying belt 1 and a lower cut tobacco conveying belt 2 connected with the upper cut tobacco conveying belt 1, wherein an automatic cut tobacco quantitative acquisition system is arranged at the output end of the upper cut tobacco conveying belt 1, the output end of the automatic cut tobacco quantitative acquisition system is connected with a cut tobacco spectrum circulation acquisition system, the output end of the cut tobacco spectrum circulation acquisition system is connected with the lower cut tobacco conveying belt 2, and the automatic cut tobacco quantitative acquisition system and the cut tobacco spectrum circulation acquisition system are both connected with a control center.
As shown in fig. 1-4, for conveniently monitoring the cut tobacco and quantitatively collecting the cut tobacco, the automatic cut tobacco quantitative collecting system comprises a cut tobacco detecting mechanism 4 and a cut tobacco quantitative sampling device; the tobacco shred detection mechanism 4 is arranged at the output end of the upper tobacco shred conveyor belt 1 and can monitor whether tobacco shreds pass through the upper tobacco shred conveyor belt 1, and preferably, the tobacco shred detection mechanism 4 is a photoelectric detector which is arranged on a mounting frame of the upper tobacco shred conveyor belt 1; the tobacco shred quantitative sampling device comprises a tobacco shred guide plate 5, a tobacco shred belt balance 6 and a tobacco shred output plate 7, wherein the tobacco shred belt balance 6 is located under the upper tobacco shred conveying belt 1, the tobacco shred guide plate 5 is located between the upper tobacco shred conveying belt 1 and the tobacco shred belt balance 6, one end of the tobacco shred guide plate 5 is connected with the output end of the upper tobacco shred conveying belt 1 when the tobacco shred automatic quantitative collection system works, the other end of the tobacco shred guide plate 5 is connected with the tobacco shred belt balance 6, and the output end of the tobacco shred belt balance 6 is provided with the tobacco shred output plate 7.
As shown in fig. 1-4, in order to realize the collection of the cut tobacco and facilitate the delivery of the cut tobacco to the cut tobacco belt balance 6, the cut tobacco guide plate 5 comprises a cut tobacco fixing guide plate 51 and a cut tobacco rotary guide plate 52 hinged with one end of the cut tobacco fixing guide plate 51 through a hinge shaft, the cut tobacco fixing guide plate 51 and the cut tobacco belt balance 6 are placed at a certain angle, the cut tobacco rotary guide plate 52 is fixedly connected with the hinge shaft, the hinge shaft is in rotary motion together in a rotary state, the hinge shaft is connected with an output end of a motor, the rotation of the hinge shaft is controlled by the motor, in a non-working state, the cut tobacco rotary guide plate 52 is perpendicular to the upper cut tobacco conveying belt 1, in a working state, the motor is controlled to rotate the hinge shaft so as to drive the cut tobacco rotary guide plate 52 to rotate, the cut tobacco rotary guide plate 52 rotates relative to the upper cut tobacco conveying belt 1 to generate a cut tobacco guide port, the cut tobacco is prevented from entering the lower cut tobacco conveying belt 2, at this time, the cut tobacco rotary guide plate 52 and the cut tobacco fixing guide plate and the cut tobacco belt balance 6 are fixedly connected with the hinge shaft, the cut tobacco from the upper cut tobacco conveying belt 1, the cut tobacco is delivered to the cut tobacco through the inclined guide plate 6, and the cut tobacco is quantitatively weighed, and the cut tobacco is delivered to the cut tobacco conveying belt balance 6 through the cut tobacco conveying belt 7 and the cut tobacco conveying belt and circulating system.
As shown in fig. 1-4, in order to detect the uniformity of the quantitatively collected tobacco shreds, and to detect the quantitatively collected tobacco shreds repeatedly and ensure the detection accuracy, the tobacco shred spectrum circulation collection system comprises a tobacco shred circulation conveyor belt 3 and a tobacco shred circulation diversion channel 8 arranged at the output end of the tobacco shred circulation conveyor belt 3, the tobacco shred circulation conveyor belt 3 comprises a horizontal conveyor belt and a circulation backflow conveyor belt, a tobacco shred loose blending mechanism 9, a tobacco shred thickness control mechanism, a tobacco shred spectrum collection mechanism and a circulation times counting mechanism are sequentially arranged above the horizontal conveyor belt along the sliding direction of the tobacco shred circulation conveyor belt 3, preferably, the circulation times counting mechanism is a photoelectric counter 12, and the photoelectric counter 12 comprises a photoelectric detector and an automatic counter; the cut tobacco output 7 through the cut tobacco output plate is scattered on the cut tobacco loose mixing mechanism 9, and in a circulating working state, the cut tobacco output by the output end of the cut tobacco circulating conveyor belt 3 is scattered on the cut tobacco loose mixing mechanism 9; in the non-circulation working state, the output end of the tobacco shred circulation conveyer belt 3 is connected with the lower tobacco shred conveyer belt 2, and in the circulation working state, the tobacco shred circulation diversion channel 8 is opened, and the output end of the tobacco shred circulation conveyer belt 3 is connected with the input end of the tobacco shred circulation conveyer belt 3.
As shown in fig. 1-4, in order to realize that quantitatively collected cut tobacco can perform spectrum information collection for multiple times and ensure accuracy of spectrum information, the cut tobacco circulation diversion channel 8 comprises a cut tobacco circulation channel 82 and a cut tobacco rotation circulation diversion plate 81 hinged with one end of the cut tobacco circulation channel 82 through a hinge shaft, the other end of the cut tobacco circulation channel 82 is connected with the input end of the cut tobacco circulation conveyer belt 3 and is positioned above the cut tobacco loose blending mechanism 9, the cut tobacco rotation circulation diversion plate 81 is fixedly connected with the hinge shaft, the hinge shaft is connected with a motor output shaft, and the cut tobacco rotation circulation diversion plate 81 can be driven to rotate through the motor; in a non-circulating working state, the tobacco shred rotary circulating guide plate 81 is arranged perpendicular to the output end of the tobacco shred circulating conveyor belt 3, and the output end of the tobacco shred circulating conveyor belt 3 is connected with the lower tobacco shred conveyor belt 2; when the tobacco shred rotary circulation guide plate 81 rotates under the drive of a motor in a circulation working state, the tobacco shred rotary circulation guide plate 81 rotates relative to the output end of the tobacco shred circulating conveyor belt 3 to generate a tobacco shred circulation guide opening, so that tobacco shreds are prevented from being conveyed to the lower-stage tobacco shred conveyor belt 2, and the tobacco shreds on the tobacco shred circulating conveyor belt 3 enter the tobacco shred circulation guide opening and circulate to the input end of the tobacco shred circulating conveyor belt 3 through the tobacco shred circulation guide channel 8.
As shown in fig. 1-4, in order to make the cut tobacco loose and facilitate the subsequent cut tobacco spectrum acquisition mechanism to acquire spectrum information, the cut tobacco loose blending mechanism 9 comprises a revolving roller 92 installed on the cut tobacco circulating conveyor belt 3, and rake nails 91 are circumferentially arranged on the revolving roller 92, and the rotation of the revolving roller 92 makes the rake nails 91 loose the cut tobacco on the cut tobacco circulating conveyor belt 3; the cut tobacco reaches the upper part of the revolving roller 92 along the cut tobacco circulating channel 82, and the revolving roller 92 rotates at a certain rotation speed to stir the cut tobacco to be transferred onto the cut tobacco circulating conveyor belt 3, so as to have the functions of transferring, loosening, carding, blending and quantifying the cut tobacco.
As shown in fig. 1-4, in order to better control the thickness of the tobacco shred conveyed to the tobacco shred spectrum acquisition mechanism and facilitate the acquisition of tobacco shred spectrum information, the tobacco shred thickness control mechanism comprises a thickness control roller 10 arranged on a tobacco shred circulating conveyor belt 3, the rotation direction of the thickness control roller 10 is opposite to that of the tobacco shred circulating conveyor belt 3, preferably, thickness control harrows are circumferentially arranged on the thickness control roller 10, a certain height is set between the thickness control harrow and the bottom of the tobacco shred circulating conveyor belt 3, the height is a tobacco shred set thickness, and when the tobacco shred on the tobacco shred circulating conveyor belt 3 is conveyed below a tobacco shred thickness control device, the thickness control harrow dials the tobacco shred exceeding the thickness, so that the tobacco shred thickness is controlled.
As shown in fig. 1-4, in order to collect the spectrum information of the cut tobacco, the spectrum collection mechanism of the cut tobacco comprises a near infrared probe 11 and a near infrared spectrum analyzer connected with the near infrared probe 11, wherein the near infrared probe 11 is installed on the upper side of the cut tobacco circulating conveyor belt 3 through a bearing device, and when the cut tobacco passes below the bearing device of the near infrared probe 11, the near infrared probe 11 starts to continuously collect the spectrum information of the cut tobacco, thereby completing the spectrum collection in turn. The near infrared probe 11 timely conveys the collected tobacco shred spectrum information into the near infrared spectrum analyzer to realize the analysis of the tobacco shred spectrum, so that the blending uniformity of the tobacco shred is detected, preferably, the photoelectric detector is simultaneously arranged on a bearing device of the near infrared probe 11, when the tobacco shred passes, the photoelectric detector receives signals, and the automatic counter counts for one time.
The working process of the utility model is as follows:
1. automatic quantitative tobacco shred collection stage: determining the weight of detected tobacco shreds according to the needs, at this moment, the upper-stage tobacco shred conveyor belt 1 conveys the tobacco shreds, when a photoelectric detector arranged on a mounting frame of the upper-stage tobacco shred conveyor belt 1 detects that the tobacco shreds pass through, the photoelectric detector can convey detected information to a control center, at this moment, the control center can control a motor to drive a tobacco shred rotary guide plate 52 to rotate towards one side of the lower-stage tobacco shred conveyor belt 2, the tobacco shred rotary guide plate 52 rotates relative to the upper-stage tobacco shred conveyor belt 1 to generate a tobacco shred guide opening, at this moment, the tobacco shred guide opening blocks the tobacco shreds on the upper-stage tobacco shred conveyor belt 1 from entering the lower-stage tobacco shred conveyor belt 2, at this moment, the tobacco shreds on the upper-stage tobacco shred conveyor belt 1 enter the tobacco shred guide opening, the tobacco shreds are conveyed to a tobacco shred belt balance 6 through an inclined guide channel, the tobacco shred belt balance 6 can display the weight of the tobacco shreds passing through the tobacco shred guide opening, when the weight of the tobacco shreds reaches a detection value, the tobacco shred belt balance 6 can send information numbers to the control center, at this moment, the control center can control the motor to drive the rotary tobacco shred guide plate 52 to rotate towards one side of the lower-stage tobacco shred conveyor belt 2, the lower-stage tobacco conveyor belt 2, the rotary guide plate 52 stops rotating when being arranged vertically to the upper-stage tobacco conveyor belt 1, at this moment, the tobacco shred guide plate 52 stops rotating, at the time, the tobacco shred guide plate 6 is blocked by the time, and the tobacco conveying by the cut tobacco guide plate 6, and then the tobacco conveying belt 6 through the cut tobacco conveyor belt 3.
2. Sample spectrum cyclic collection phase: the quantitative tobacco shreds on the tobacco shred circulating conveyor belt 3 pass through the tobacco shred loose mixing mechanism 9, a rotary roller 92 on the tobacco shred loose mixing mechanism 9 is driven to rotate by a motor, and the rotary roller 92 rotates to enable the harrow nails 91 to loosen the tobacco shreds on the tobacco shred circulating conveyor belt 3; the loose quantitative tobacco shreds are continuously conveyed to a tobacco shred thickness control mechanism on a tobacco shred circulating conveyor belt 3, the rotation direction of a thickness control roller 10 on the tobacco shred thickness control mechanism is opposite to the conveying direction of the tobacco shred circulating conveyor belt 3, the thickness control roller 10 controls the thickness of the passing tobacco shreds, the passing tobacco shreds circulate to a tobacco shred spectrum acquisition mechanism, when the tobacco shreds with set thickness pass through a near infrared probe 11 of the tobacco shred spectrum acquisition mechanism, at the moment, a photoelectric detector on a photoelectric counter 12 also finds that the tobacco shreds start to work, the tobacco shreds stop working after passing through the photoelectric detector, an automatic counter records that the tobacco shreds circulate for the first time at the moment, and when the photoelectric detector detects that the quantitative tobacco shreds pass through again after the passing of the quantitative tobacco shreds, the tobacco shreds are recorded as a second circulation, and the cyclic reciprocating counting is sequentially carried out; the detected cut tobacco spectrum is collected by the near infrared probe 11 and is conveyed into the near infrared spectrum analyzer, at the moment, the control center controls the motor to drive the cut tobacco rotary circulating guide plate 81 to rotate towards one side of the lower cut tobacco conveying belt 2, the cut tobacco rotary circulating guide plate 81 rotates relative to the output end of the cut tobacco circulating conveying belt 3 to generate a cut tobacco circulating guide opening, the cut tobacco is prevented from being conveyed to the lower cut tobacco conveying belt 2, and cut tobacco with spectral information collected on the cut tobacco circulating conveying belt 3 enters the cut tobacco circulating guide opening and flows to the input end of the cut tobacco circulating conveying belt 3 through the cut tobacco circulating guide channel 8.
3. Spectral information processing stage: the near infrared single spectrum scanned in each cycle is transmitted to a near infrared spectrum analyzer by an optical fiber, and the average spectrum is calculated by the near infrared spectrum analyzer and substituted into a model to finish the detection of the blending uniformity of the cut tobacco sample.
4. Stage of tobacco shred sample regression production line: the above procedure is repeated in a quantitative tobacco shred circulation mode until the numerical value displayed by the photoelectric counter 12 reaches a set value, at the moment, the control center controls the motor to drive the tobacco shred rotation circulation guide plate 81 to rotate back to one side of the lower tobacco shred conveying belt 2, so that the tobacco shred rotation circulation guide plate 81 is perpendicular to the output end of the tobacco shred circulation conveying belt 3, the output end of the tobacco shred circulation conveying belt 3 is connected with the lower tobacco shred conveying belt 2, quantitative tobacco shreds on the tobacco shred circulation conveying belt 3 are conveyed to the lower tobacco shred conveying belt 2, and the quantitative tobacco shreds return to the production line.
According to the utility model, the quantitatively collected tobacco shred is subjected to repeated tobacco shred spectrum information collection through the tobacco shred spectrum circulation collection system, so that tobacco shred cultivation is more uniform, and the tobacco shred spectrum information collection is ensured to be more accurate, so that the detection of the blending uniformity of the obtained tobacco shred sample is better completed, and the detection accuracy of the detection result is higher.
Embodiment 2:
as shown in fig. 5-6, different from embodiment 1 in that the tobacco shred guide plate 5 is obliquely arranged with the upper tobacco shred conveyor belt 1, the tobacco shred guide plate 5 comprises a tobacco shred fixing guide plate and a tobacco shred telescopic guide plate linearly arranged with the tobacco shred fixing guide plate, a hydraulic cylinder is arranged between the tobacco shred fixing guide plate and the tobacco shred telescopic guide plate, in a non-working state, the tobacco shred telescopic guide plate is located at the tail end of the output end of the upper tobacco shred conveyor belt 1, and in a working state, the tobacco shred telescopic guide plate extends out of the output end of the upper tobacco shred conveyor belt 1.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.
In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify 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 thus should not be construed as limiting the protection of the present utility model.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (8)
1. The device for detecting the blending uniformity of the cut tobacco on line comprises an upper cut tobacco conveying belt and a lower cut tobacco conveying belt connected with the upper cut tobacco conveying belt, and is characterized in that an automatic cut tobacco quantitative acquisition system is arranged at the output end of the upper cut tobacco conveying belt, the output end of the automatic cut tobacco quantitative acquisition system is connected with a cut tobacco spectrum circulating acquisition system, and the output end of the cut tobacco spectrum circulating acquisition system is connected with the lower cut tobacco conveying belt; the tobacco shred spectrum circulation collection system comprises a circulation working state and a non-circulation working state, wherein in the non-circulation working state, the output end of the tobacco shred circulation conveying belt is connected with the lower tobacco shred conveying belt, and in the circulation working state, the output end of the tobacco shred circulation conveying belt is connected with the input end of the tobacco shred circulation conveying belt;
the tobacco shred automatic quantitative acquisition system comprises a tobacco shred detection mechanism and a tobacco shred quantitative sampling device; the tobacco shred quantitative sampling device comprises a tobacco shred guide plate, a tobacco shred belt scale and a tobacco shred output plate, wherein the tobacco shred belt scale is positioned under an upper tobacco shred conveying belt, the tobacco shred guide plate is positioned between the upper tobacco shred conveying belt and the tobacco shred belt scale, one end of the tobacco shred guide plate is connected with the output end of the upper tobacco shred conveying belt when the automatic tobacco shred quantitative sampling system is in a working state, and one end of the tobacco shred guide plate is positioned at the lower side of the output end of the upper tobacco shred conveying belt when the automatic tobacco shred quantitative sampling system is not in a working state; the other end of the tobacco shred guide plate is connected with a tobacco shred belt scale, and the output end of the tobacco shred belt scale is provided with a tobacco shred output plate;
the tobacco shred spectrum circulation collection system comprises a tobacco shred circulation conveying belt and a tobacco shred circulation flow guide channel arranged at the output end of the tobacco shred circulation conveying belt, the tobacco shred circulation conveying belt comprises a horizontal conveying belt and a circulation backflow conveying belt, a tobacco shred loose mixing mechanism, a tobacco shred thickness control mechanism, a tobacco shred spectrum collection mechanism and a circulation times counting mechanism are sequentially arranged above the horizontal conveying belt along the sliding direction of the tobacco shred circulation conveying belt, tobacco shreds output through a tobacco shred output plate are scattered on the tobacco shred loose mixing mechanism, and when in a circulation working state, the tobacco shreds output by the output end of the tobacco shred circulation conveying belt are scattered on the tobacco shred loose mixing mechanism.
2. The device for on-line detecting tobacco shred blending uniformity according to claim 1, wherein the tobacco shred guide plate comprises a tobacco shred fixing guide plate and a tobacco shred rotary guide plate hinged with one end of the tobacco shred fixing guide plate through a hinge shaft, the tobacco shred rotary guide plate is fixedly connected with the hinge shaft, and in a non-working state, the tobacco shred rotary guide plate is arranged perpendicular to a tobacco shred conveying belt at an upper stage; when in working state, the cut tobacco rotary guide plate rotates to form a cut tobacco guide opening.
3. The device for on-line detecting tobacco shred blending uniformity according to claim 1, wherein the tobacco shred guide plate is obliquely arranged with the upper tobacco shred conveying belt, the tobacco shred guide plate comprises a tobacco shred fixing guide plate and a tobacco shred telescopic guide plate linearly arranged with the tobacco shred fixing guide plate, a hydraulic cylinder is arranged between the tobacco shred fixing guide plate and the tobacco shred telescopic guide plate, in a non-working state, the tobacco shred telescopic guide plate is positioned at the tail end of the upper tobacco shred conveying belt, and in a working state, the tobacco shred telescopic guide plate extends out of the output end of the upper tobacco shred conveying belt.
4. The device for on-line detecting tobacco shred blending uniformity according to claim 1, wherein the tobacco shred circulating guide channel comprises a tobacco shred circulating channel and a tobacco shred rotary circulating guide plate hinged with one end of the tobacco shred circulating channel through a hinge shaft, the other end of the tobacco shred circulating channel is connected with the input end of a tobacco shred circulating conveyer belt, and the tobacco shred rotary circulating guide plate is fixedly connected with the hinge shaft; in the non-circulation working state, the tobacco shred rotation circulation guide plate is perpendicular to the output end of the tobacco shred circulation conveying belt, and in the circulation working state, the tobacco shred rotation circulation guide plate rotates relative to the output end of the tobacco shred circulation conveying belt to form a tobacco shred circulation guide opening, and the tobacco shred circulation guide opening is communicated with a tobacco shred circulation channel.
5. The device for on-line detecting tobacco shred blending uniformity according to claim 1, wherein the tobacco shred loose blending mechanism comprises a rotary roller and harrow nails arranged on the circumference of the rotary roller, and at least one group of tobacco shred loose blending mechanisms are arranged along the conveying direction of the tobacco shred circulating conveyer belt.
6. The apparatus for on-line uniformity of cut tobacco blending according to claim 1, wherein said cut tobacco thickness control mechanism comprises a thickness control roller mounted on a cut tobacco endless conveyor belt.
7. The device for on-line detection of tobacco shred blending uniformity according to claim 1, wherein the tobacco shred spectrum acquisition mechanism comprises a near infrared probe and a near infrared spectrum analyzer connected with the near infrared probe.
8. The device for on-line detecting tobacco shred blending uniformity as claimed in claim 1, wherein the cycle count mechanism is a photoelectric counter.
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| CN201910575282.0A CN110286102B (en) | 2019-06-28 | 2019-06-28 | Device for on-line detecting tobacco shred blending uniformity |
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| CN201910575282.0A CN110286102B (en) | 2019-06-28 | 2019-06-28 | Device for on-line detecting tobacco shred blending uniformity |
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| CN110286102B true CN110286102B (en) | 2024-04-09 |
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| CN112304893A (en) * | 2020-09-17 | 2021-02-02 | 云南烟叶复烤有限责任公司 | Method for rapidly judging mixing uniformity of multi-grade tobacco leaves and storage medium |
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| DE3612490A1 (en) * | 1985-04-26 | 1986-10-30 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Device for monitoring a textile strand conveyor in the tobacco processing industry |
| CN103344572A (en) * | 2013-06-24 | 2013-10-09 | 云南烟草科学研究院 | Method for evaluating blending homogeneity of cut rolled stems and regenerated cut tobaccos in cigarettes |
| CN204070492U (en) * | 2014-09-29 | 2015-01-07 | 智思控股集团有限公司 | tobacco shred blending system |
| CN210427345U (en) * | 2019-06-28 | 2020-04-28 | 河南中烟工业有限责任公司 | Device for on-line detecting tobacco shred blending uniformity |
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| DE3612490A1 (en) * | 1985-04-26 | 1986-10-30 | Hauni-Werke Körber & Co KG, 2050 Hamburg | Device for monitoring a textile strand conveyor in the tobacco processing industry |
| CN103344572A (en) * | 2013-06-24 | 2013-10-09 | 云南烟草科学研究院 | Method for evaluating blending homogeneity of cut rolled stems and regenerated cut tobaccos in cigarettes |
| CN204070492U (en) * | 2014-09-29 | 2015-01-07 | 智思控股集团有限公司 | tobacco shred blending system |
| CN210427345U (en) * | 2019-06-28 | 2020-04-28 | 河南中烟工业有限责任公司 | Device for on-line detecting tobacco shred blending uniformity |
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