CN112971195A - Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle - Google Patents
Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle Download PDFInfo
- Publication number
- CN112971195A CN112971195A CN201911281281.1A CN201911281281A CN112971195A CN 112971195 A CN112971195 A CN 112971195A CN 201911281281 A CN201911281281 A CN 201911281281A CN 112971195 A CN112971195 A CN 112971195A
- Authority
- CN
- China
- Prior art keywords
- wind power
- inertia
- tobacco
- wind
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 241000208125 Nicotiana Species 0.000 title claims abstract description 74
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 74
- 238000000926 separation method Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 4
- 235000019504 cigarettes Nutrition 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 10
- 230000036544 posture Effects 0.000 description 8
- 239000000725 suspension Substances 0.000 description 6
- 238000003379 elimination reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011044 inertial separation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/16—Classifying or aligning leaves
Abstract
The invention discloses a method and equipment for improving the grade of sorted tobacco leaves by using a wind power inertia principle, wherein the method comprises the following steps: s1: based on the wind power inertia separation principle, a plurality of sections of arc bending pipelines for layering distribution of tobacco leaf materials are designed at specific positions of a wind power conveying pipeline; s2: and an image recognition device and a blowing removal device are arranged at the arc-shaped bent pipeline. The equipment comprises a main fan and a wind power conveying pipeline communicated with the main fan, wherein a plurality of sections of arc-shaped bent pipelines are arranged on the wind power conveying pipeline, and an image recognition device and a blowing removal device are arranged at the arc-shaped bent pipelines. By adopting the method and the equipment, the image recognition precision of the photoelectric automatic intelligent leaf selection and impurity removal equipment and the compressed air blowing removal effect are improved, the phenomenon that tobacco leaves meeting the grade are removed by mistake is reduced, the reliable removal of low-grade cigarettes and non-tobacco impurities is ensured, and the grade qualification rate and the purity of the tobacco leaves meet the process requirements.
Description
Technical Field
The invention relates to the technical field of tobacco processing equipment, in particular to the technical field of equipment for on-line photoelectric automatic intelligent sorting of tobacco leaves during threshing and redrying production processing, and specifically relates to a method and equipment for improving the grade of air-separated tobacco leaves by using a wind inertia principle.
Background
In the wind power conveying photoelectric automatic tobacco leaf selecting and impurity removing equipment of the existing threshing and redrying production line, tobacco leaf materials (mainly tobacco leaves and tobacco flakes) conveyed by wind through a vertical pipeline or a horizontal pipeline are high in moving speed and distributed in the pipeline in a disordered way (when the materials exceed the focal length range of a lens of an image processing system seriously, the imaging is fuzzy and unclear), the postures are different, the precision of image recognition and the blowing and removing effect of compressed air are influenced, and even the phenomenon that the tobacco leaves conforming to the grade are recognized as unqualified tobacco leaves to be removed because the side faces of the tobacco leaves are seen by the lens appears. In a word, the conditions that materials are distributed in a disordered manner and have different postures in the air conveying pipeline cause that the image recognition and compressed air blowing removal efficiency of the conventional photoelectric automatic tobacco leaf selecting and removing device is poor, low-grade tobacco or impurities are difficult to recognize and remove at one time, and the grade qualification rate and the purity of tobacco leaves are difficult to ensure to meet the process requirements.
The principle of wind power inertia separation is based on the difference of inertia force of mixed materials moving along with airflow to separate materials with different masses from each other. The specific method comprises the following steps: in the wind power pipeline, the moving direction of the airflow is changed by using the bent pipeline, and the moving direction of mixed materials carried in the airflow is changed along with the airflow (see figure 1), and the moving state of the mixed materials is changed differently due to different centrifugal inertia force and airflow resistance when the moving direction of the mixed materials is changed suddenly, so that the materials with different inertia and shapes can be distinguished from each other. This is the basic principle of inertial separation of gas-material mixture.
According to the theoretical basis of the existing physics: the rapid airflow carrying the mixed material changes the moving direction under the action of the steering plate, and the streamline of the airflow is bent, so that a stable flow velocity field is formed. We can approximate that the material entrained by the gas flow also moves in a curve in the direction of the gas flow streamlines. The materials are necessarily subjected to the action of centrifugal inertia force when moving in a curve, so that the mixed materials are in a stable inertia force field and are always subjected to the action of centrifugal inertia force depending on the mass and the position of the mixed materials, and the situation that the mixed materials are always subjected to the action of gravity depending on the mass when moving in a gravity field is completely similar to the situation that the mixed materials are always subjected to the action of gravity depending on the mass of the mixed materials when moving in the gravity field. Therefore, according to the similar steps of the process of the material suspension velocity in the gravity field, a calculation formula of the material suspension velocity in the centrifugal field can be deduced. In fact, the centrifugal inertia force Fc of the material in the inertia force field is used to replace the gravity P of the material in the gravity field-the centripetal acceleration a can be said to benThe value of the gravity acceleration g in the formula is replaced, and the calculation formula of the suspension speed of the material in the inertia force field can be obtained.
By comparing the suspension speed of the material in the gravity field with the suspension speed of the material in the inertia field, the suspension speed of the material in the inertia field is many times greater than that of the material in the gravity field. Therefore, during the wind power conveying process, the distribution condition of the materials in the local conveying pipeline can be changed by changing the moving speed v of the materials and the curvature radius R of the track.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for improving the grade of winnowing tobacco leaves by using the wind inertia principle, wherein the wind inertia separation principle is used to adjust the conveying path of tobacco leaf materials, so that the tobacco leaf materials can move in the wind conveying pipeline according to the set path, and the postures of the tobacco leaf materials can be adjusted, thereby meeting the requirements of machine vision identification on the distribution and specific moving postures of the tobacco leaf materials and the position requirements of the tobacco leaf materials in the conveying pipeline at a removing station, so as to improve the image identification precision and compressed air blowing removing effect of the photoelectric automatic intelligent tobacco leaf selection and impurity removal apparatus, reduce the phenomenon of mistakenly removing the tobacco leaves meeting the grade, ensure that low-grade tobacco and non-tobacco impurities are reliably removed, and ensure that the grade qualification rate and the purity of the tobacco leaves meet the technological requirements.
The invention solves the problems through the following technical means:
a method for improving the grade of sorted tobacco leaves by using a wind power inertia principle comprises the following steps:
s1: based on the principle of wind power inertia separation, a plurality of sections of arc-shaped bent pipelines for layering distribution of tobacco leaf materials are designed at specific positions of a wind power conveying pipeline of wind power conveying photoelectric automatic sorting equipment;
s2: arranging an image recognition device and a blowing and removing device at the arc-shaped bent pipeline, and forming a separation opening at the position opposite to the blowing and removing device; and (5) starting related equipment, and sorting the tobacco leaf materials.
The application also discloses an utilize wind-force inertia principle to improve equipment of selecting separately tobacco leaf grade, including main fan and with the wind-force pipeline of main fan intercommunication, the last multisection circular arc bending shape pipeline that is provided with of wind-force pipeline, circular arc bending shape pipeline department is provided with image recognition device and jetting remove device, just offers the separation mouth to jetting remove device's position.
Further, the separation port is connected with a separation channel.
Further, the separation channel is connected with a separation funnel.
Furthermore, one end of the wind power conveying pipeline, which is far away from the main fan, is provided with a tobacco leaf inlet.
Further, the whole wind power conveying pipeline is S-shaped.
The invention has the beneficial effects that: the method and the equipment for improving the grade of the sorted tobacco leaves by using the wind inertia principle comprise the following steps: s1: based on the principle of wind power inertia separation, a plurality of sections of arc-shaped bent pipelines for layering distribution of tobacco leaf materials are designed at specific positions of a wind power conveying pipeline of wind power conveying photoelectric automatic sorting equipment; s2: arranging an image recognition device and a blowing and removing device at the arc-shaped bent pipeline, and forming a separation opening at the position opposite to the blowing and removing device; and (5) starting related equipment, and sorting the tobacco leaf materials. The equipment comprises a main fan and a wind power conveying pipeline communicated with the main fan, wherein a plurality of sections of arc-shaped bent pipelines are arranged on the wind power conveying pipeline, an image recognition device and a blowing removal device are arranged at the arc-shaped bent pipelines, and a separation opening is formed in the position right facing the blowing removal device. By adopting the method and the equipment, the conveying path of the tobacco leaf materials is adjusted by utilizing the wind power inertia separation principle, so that the tobacco leaf materials can move in the wind power conveying pipeline according to the set path, and simultaneously the postures of the tobacco leaf materials can be adjusted, thereby meeting the requirements of machine vision recognition on the distribution and specific movement postures of the tobacco leaf materials and the position requirements of the tobacco leaf materials in the conveying pipeline when a station is rejected, improving the image recognition precision of photoelectric automatic intelligent leaf selection and impurity removal equipment and the compressed air blowing rejection effect, reducing the phenomenon of mistakenly rejecting the tobacco leaves according with the grade, ensuring that low-grade cigarettes and non-tobacco impurities are reliably rejected, and ensuring that the grade qualification rate and the purity of the tobacco leaves reach the process requirements.
Drawings
The invention is further described below with reference to the figures and examples.
FIG. 1 is a schematic diagram of the apparatus of the present invention.
Detailed Description
The invention will be described in detail with reference to the accompanying drawings, and the method for improving the grade of the sorted tobacco leaves by using the wind inertia principle of the embodiment comprises the following steps:
s1: based on the principle of wind power inertia separation, a plurality of sections of arc-shaped bent pipelines for layering distribution of tobacco leaf materials are designed at specific positions of a wind power conveying pipeline of wind power conveying photoelectric automatic sorting equipment;
s2: arranging an image recognition device and a blowing and removing device at the arc-shaped bent pipeline, and forming a separation opening at the position opposite to the blowing and removing device; and (5) starting related equipment, and sorting the tobacco leaf materials.
As shown in fig. 1: the embodiment also discloses equipment for improving the grade of the sorted tobacco leaves by utilizing the wind power inertia principle, which comprises a main fan 1 and a wind power conveying pipeline 2 communicated with the main fan, wherein a tobacco leaf inlet is formed in one end, far away from the main fan, of the wind power conveying pipeline. The wind power conveying pipeline is provided with a plurality of sections of arc bending pipelines 3, so that the whole wind power conveying pipeline is S-shaped. The image recognition device 4 and the blowing and removing device 5 are arranged at the arc bent pipeline, a separation opening 6 is formed in the position opposite to the blowing and removing device, the separation opening is connected with a separation channel 7, and the separation channel is connected with a separation funnel 8.
When the device is applied specifically, tobacco leaves enter the wind power conveying pipeline from the tobacco leaf inlet, enter the arc-shaped bent pipeline along with airflow, and are sequentially distributed in a layered mode along the outer arc surface of the pipeline under the action of centrifugal force. After the tobacco leaves are subjected to first-stage image recognition processing and blowing elimination, the tobacco leaves are conveyed to a next-stage image recognition processing device and a corresponding blowing elimination device through an arc bent pipeline, and the tobacco leaves are subjected to secondary image recognition processing and blowing elimination. And by analogy, the tobacco leaves are subjected to multi-stage (multiple) image recognition processing and blowing removal, so that the grade qualification rate and the purity of the tobacco leaves meet the process requirements.
To sum up, this application is through designing the curved shape pipeline of circular arc that distributes on wind-force pipeline specific position, and the tobacco leaf material that carries out wind-force in this pipeline is under the centrifugal force effect, along the outer arc surface in the pipeline in order distribution to the tobacco leaf is automatic adjustment gesture under the centrifugal force effect, pastes the outer wall in the pipeline tightly, has reduced the randomness of tobacco leaf gesture. The adjustment of the path and the posture of the tobacco material can greatly improve the imaging quality when the camera shoots, thereby improving the image recognition precision of the photoelectric automatic intelligent tobacco leaf selecting and impurity removing equipment and the compressed air blowing and removing effect, and reducing the phenomenon of mistakenly removing the tobacco leaves according with the grade.
The method is not only used for the impurity and leaf removing equipment in the online photoelectric automatic intelligent leaf selecting and impurity removing process during threshing and redrying production, but also can be used for occasions with specific requirements on material conveying paths and postures in wind conveying systems of other industries.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (6)
1. A method for improving the grade of sorted tobacco leaves by using a wind power inertia principle is characterized by comprising the following steps:
s1: based on the principle of wind power inertia separation, a plurality of sections of arc-shaped bent pipelines for layering distribution of tobacco leaf materials are designed at specific positions of a wind power conveying pipeline of wind power conveying photoelectric automatic sorting equipment;
s2: arranging an image recognition device and a blowing and removing device at the arc-shaped bent pipeline, and forming a separation opening at the position opposite to the blowing and removing device; and (5) starting related equipment, and sorting the tobacco leaf materials.
2. The utility model provides an utilize wind-force inertia principle to improve equipment of sorting tobacco leaf grade, includes main fan and the wind-force pipeline of intercommunication with main fan which characterized in that: the wind power conveying pipeline is provided with a plurality of sections of arc-shaped bent pipelines, the arc-shaped bent pipelines are provided with image recognition devices and blowing removal devices, and separation openings are formed in positions opposite to the blowing removal devices.
3. The apparatus for upgrading sorted tobacco using wind inertia principles according to claim 2, wherein: the separation port is connected with a separation channel.
4. The apparatus for upgrading sorted tobacco using wind inertia principles according to claim 3, wherein: the separation channel is connected with a separation funnel.
5. The apparatus for upgrading sorted tobacco leaves using wind inertia principles according to claim 4, wherein: and a tobacco leaf inlet is formed in one end, far away from the main fan, of the wind power conveying pipeline.
6. The apparatus for upgrading sorted tobacco leaves using wind inertia principles according to claim 5, wherein: the whole wind power conveying pipeline is S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281281.1A CN112971195A (en) | 2019-12-13 | 2019-12-13 | Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281281.1A CN112971195A (en) | 2019-12-13 | 2019-12-13 | Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112971195A true CN112971195A (en) | 2021-06-18 |
Family
ID=76332419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911281281.1A Pending CN112971195A (en) | 2019-12-13 | 2019-12-13 | Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112971195A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812661A (en) * | 2021-09-10 | 2021-12-21 | 湖北中烟工业有限责任公司 | Automatic tracing method and system for sorting non-smoke substances in leaves |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855171A (en) * | 2016-04-11 | 2016-08-17 | 江苏恒森烟草机械有限公司 | Air conveying drop type impurity removing device and tobacco impurity removing method |
| CN109452682A (en) * | 2018-11-29 | 2019-03-12 | 云南润普机电工程有限公司 | Leaf machine is selected in a kind of multistage removal of impurities |
| CN109998147A (en) * | 2019-03-07 | 2019-07-12 | 江苏恒森烟草机械有限公司 | A kind of wind spraying aid type smoked sheet Sorting System |
-
2019
- 2019-12-13 CN CN201911281281.1A patent/CN112971195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855171A (en) * | 2016-04-11 | 2016-08-17 | 江苏恒森烟草机械有限公司 | Air conveying drop type impurity removing device and tobacco impurity removing method |
| CN109452682A (en) * | 2018-11-29 | 2019-03-12 | 云南润普机电工程有限公司 | Leaf machine is selected in a kind of multistage removal of impurities |
| CN109998147A (en) * | 2019-03-07 | 2019-07-12 | 江苏恒森烟草机械有限公司 | A kind of wind spraying aid type smoked sheet Sorting System |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812661A (en) * | 2021-09-10 | 2021-12-21 | 湖北中烟工业有限责任公司 | Automatic tracing method and system for sorting non-smoke substances in leaves |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112971195A (en) | Method and equipment for improving grade of air-separation tobacco leaves by utilizing wind inertia principle | |
| US4344843A (en) | Apparatus and method for separating debris from textile fiber tufts | |
| CN105327856B (en) | A kind of junior tobacco leaf blade and offal pneumatic separating wind separating device | |
| CN110394307A (en) | A kind of tobacco leaf detects sorting system automatically | |
| CN113458016A (en) | Small-particle agricultural product color sorting device based on area array image characteristics | |
| CN104824828B (en) | A kind of multifunctional tobacco leaf selecting device | |
| CN204653750U (en) | A kind of multifunctional tobacco leaf selecting device | |
| CN205496091U (en) | Transition channel of look selection machine | |
| CN102695429B (en) | Method and device for removing foreign particles from a tobacco stream | |
| CN204234351U (en) | Negative pressure air system is utilized to improve the Apparatus and method for of feed separation rate | |
| CN109452682A (en) | Leaf machine is selected in a kind of multistage removal of impurities | |
| CN205463258U (en) | Belt look selection machine | |
| CN201370092Y (en) | Detection and elimination device for cigarette paper | |
| CN109998147A (en) | A kind of wind spraying aid type smoked sheet Sorting System | |
| CN207952003U (en) | A kind of high-efficiency type combined wind power sorter | |
| CN103962304B (en) | A kind of feed separation method | |
| CN106241438A (en) | Flexible material based on gas suspension principle conveying and correcting unit | |
| CN102198445A (en) | Granular tobacco material winnowing device | |
| CN2673116Y (en) | Multifunction tobacco impurity removing equipment | |
| CN106235379A (en) | A kind of winnower for tobacco leaf production | |
| CN1271958C (en) | Blowing process of eliminating non-tobacco impurity | |
| CN208048017U (en) | Useless cigarette coalignment | |
| CN103949400B (en) | Negative pressure air system is utilized to improve the Apparatus and method for of feed separation rate | |
| CN103949397A (en) | Equipment and method for improving separation rate of materials by utilizing compressed air system | |
| CN103521443A (en) | Blowing type device for recovering cut tobacco in rejected stem slivers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |