CN109342422A - A kind of negative pressure tobacco leaf vision double-side detection equipment and detection method - Google Patents
A kind of negative pressure tobacco leaf vision double-side detection equipment and detection method Download PDFInfo
- Publication number
- CN109342422A CN109342422A CN201811182115.1A CN201811182115A CN109342422A CN 109342422 A CN109342422 A CN 109342422A CN 201811182115 A CN201811182115 A CN 201811182115A CN 109342422 A CN109342422 A CN 109342422A
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- CN
- China
- Prior art keywords
- negative pressure
- conveyer belt
- tobacco leaf
- detection equipment
- pressure chamber
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- 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.)
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Classifications
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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
- G01N21/84—Systems specially adapted for particular applications
-
- 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
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/845—Objects on a conveyor
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
Abstract
The invention discloses a kind of negative pressure tobacco leaf vision double-side detection equipment and detection methods, wherein double-side detection equipment includes negative pressure punching conveyer belt, second conveyer belt, negative pressure chamber, negative-pressure air fan and visual detection equipment, the negative pressure punches the perforated tape that conveyer belt includes transfer roller and is wrapped on the transfer roller, the punching belt surface is uniformly provided with several airing holes, the negative pressure chamber is arranged on the inside of the discharge end of the negative pressure punching conveyer belt, the suction opening of the negative pressure chamber is equipped with the negative-pressure air fan, air inlet is designed on the face of the negative pressure chamber and the perforated tape interior side contacts, second conveyer belt is located at below the negative pressure punching conveyer belt, the feed end of second conveyer belt is located at side of the negative pressure chamber far from the discharge end, the negative pressure punches the upper surface of conveyer belt and second conveyer belt It is equipped with the visual detection equipment.The present invention is improved to mildew tobacco leaf and inferior grade classification of flue-cured tobacco leaves effect.
Description
Technical field
The present invention relates to leaf tobacco production fields, and in particular to a kind of negative pressure tobacco leaf vision double-side detection equipment and detection side
Method.
Background technique
The heavy being mingled in tobacco leaf in efficiently and accurately rejecting in tobacco cutting production line, threshing and redrying production line is different
The purity that object, lightweight foreign matter, mildew tobacco leaf, inferior grade tobacco leaf improve tobacco leaf is to ensure that the critical process process of cigarette quality.Mesh
It is that the method for selection by winnowing is separated that preceding tobacco enterprise, which mostly uses method, is suspended in sorting under the effect of lifting of air-flow using tobacco leaf
Case realizes the sorting of heavy foreign matter, and it is more effective that this rejects the foreign matter in tobacco leaf for sorting, but selection by winnowing is unable to complete mildew cigarette
The sorting of leaf, inferior grade tobacco leaf.
Application No. is the patents of invention of CN201510243548.3 to disclose a kind of multifunctional tobacco leaf selecting device, the device
Tobacco leaf is sprayed onto the air using injection apparatus, and carries out two-sided shooting.Due to the scrambling of tobacco leaf, tobacco leaf in the sky deposit by track
In uncertainty, exists to vision-based detection and adversely affect.Either manual identified or intelligent recognition can all generate many mistakes
Judgement cannot accurately tell mildew or inferior grade tobacco leaf, therefore be to raising mildew tobacco leaf and inferior grade classification of flue-cured tobacco leaves effect
The problem of tobacco leaf sorting urgent need to resolve.
Summary of the invention
The purpose of the present invention is to provide a kind of negative pressure tobacco leaf vision double-side detection equipments, to solve in the prior art to mould
Become tobacco leaf and the poor problem of inferior grade classification of flue-cured tobacco leaves effect.
The negative pressure tobacco leaf vision double-side detection equipment, including negative pressure punch conveyer belt, the second conveyer belt, negative pressure cavity
Room, negative-pressure air fan and visual detection equipment, the negative pressure punching conveyer belt include transfer roller and are wrapped on the transfer roller
Perforated tape, the punching belt surface are uniformly provided with several airing holes, and negative pressure chamber's setting is punched in the negative pressure to transmit
On the inside of the discharge end of band, the suction opening of the negative pressure chamber is equipped with the negative-pressure air fan, the negative pressure chamber and the punching
It is designed with air inlet on face with interior side contacts, second conveyer belt is located at the negative pressure punching conveyer belt in the following, described the
The feed end of two conveyer belts is located at side of the negative pressure chamber far from the discharge end, the negative pressure punching conveyer belt and described
The upper surface of second conveyer belt is equipped with the visual detection equipment.
Preferably, the discharge end is equipped at least two transfer rollers, and the perforated tape of the discharge end is fitted in the negative pressure
Chamber two sides and the side towards the discharge end side up and down, two in the transfer roller of the discharge end be respectively provided at it is described
Upper and lower ends of the negative pressure chamber towards the discharge end side.
Preferably, the negative pressure chamber towards the discharge end side be semicircle cambered surface.
Preferably, the negative pressure chamber towards the discharge end side be polygon, the negative pressure chamber and the punching
The seamed edge that each interplanar with contact is connected to form passes through cambered surface transition, is equipped with the transfer roller at the seamed edge.
Preferably, the visual detection equipment includes door shaped stent and is mounted at the top of the door shaped stent positioned at conveyer belt
The image collecting device of top, described image acquisition device are signally attached to picture recognition module.
The present invention also provides a kind of detection methods using above-mentioned negative pressure tobacco leaf vision double-side detection equipment, including such as
Lower step:
Step 1: the feeding end of the negative pressure punching conveyer belt is placed into after the tobacco leaf after removal of impurities is shakeout；
Step 2: the tobacco leaf is by the visual detection equipment on negative pressure punching conveyer belt, and image collecting device is by tobacco leaf court
On the image information collecting in the first face be sent to picture recognition module；
Step 3: tobacco leaf reaches discharge end, and tobacco leaf is adsorbed on perforated tape tobacco leaf being transferred to negative pressure punching by negative pressure chamber
The lower surface of conveyer belt；
Step 4: the tobacco leaf, which leaves, falls to the second conveyer belt at negative pressure chamber, and tobacco leaf overturning at this time second is face-up,
And it is transported to the visual detection equipment on the second conveyer belt；
Step 5: the image information collecting in the second face of tobacco leaf is sent image by the visual detection equipment on the second conveyer belt
The image information in identification module, described image the first face of identification module combination tobacco leaf and the second face identifies the quality of tobacco leaf
Classification.
The present invention has the advantages that the tobacco leaf after preliminary selection by winnowing is shakeout, conveyer belt is first punched in negative pressure by this equipment
By the image in visual detection equipment acquisition the first face of tobacco leaf, then conveyer belt is punched by negative pressure chamber and negative pressure and integrally turns over tobacco leaf
It is transferred to the second conveyer belt, the image in the second face of tobacco leaf is acquired by visual detection equipment thereon.Cigarette can be effectively ensured in this way
The image on leaf two sides is able to maintain consistency, is not in since track has uncertain influence visual identity effect to tobacco leaf in the sky
The defect of fruit, solves problem of the prior art, substantially increases to mildew tobacco leaf and inferior grade classification of flue-cured tobacco leaves effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the structural schematic diagram of negative pressure chamber part in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of negative pressure chamber part in the embodiment of the present invention 2；
Fig. 4 is the structural schematic diagram of perforated tape in various embodiments of the present invention.
Wherein, 1, negative pressure punches conveyer belt, the 2, second conveyer belt, 3, negative pressure chamber, 4, negative-pressure air fan, and 5, vision-based detection sets
It is standby, 6, tobacco leaf, 7, transfer roller, 8, perforated tape.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making further details of theory to the specific embodiment of the invention
It is bright, to help those skilled in the art to have more complete, accurate and deep reason to inventive concept of the invention, technical solution
Solution.
Embodiment 1:
As shown in Fig. 1,2 and 4, the present invention provides a kind of negative pressure tobacco leaf vision double-side detection equipments, including negative pressure to punch
Conveyer belt 1, the second conveyer belt 2, negative pressure chamber 3, negative-pressure air fan 4 and visual detection equipment 5.6 first face of tobacco leaf is in Fig. 1 with black
Part indicates that the second face is indicated with white portion.
The negative pressure punching conveyer belt 1 includes transfer roller 7 and the perforated tape 8 being wrapped on the transfer roller 7, the punching
8 surface of band is uniformly provided with several airing holes.The negative pressure chamber 3 is arranged in the discharge end of the negative pressure punching conveyer belt 1
Side, the suction opening of the negative pressure chamber 3 are equipped with the negative-pressure air fan 4 for generating negative pressure, and the negative pressure chamber 3 beats with described
Air inlet is designed on the face of 8 interior side contacts of pore area, second conveyer belt 2 is located at the negative pressure punching conveyer belt 1 in the following, institute
The feed end for stating the second conveyer belt 2 is located at the side of the negative pressure chamber 3 far from the discharge end, and the negative pressure punches conveyer belt
The upper surface of 1 and second conveyer belt 2 are equipped with the visual detection equipment 5.
The negative pressure chamber 3 towards the discharge end side be semicircle cambered surface.The transmission of semicircle cambered surface radius and discharge end
7 radius of roller is suitable, also is provided with air inlet in semicircle cambered surface., the visual detection equipment 5 is including door shaped stent and is mounted on described
The image collecting device being located above conveyer belt at the top of door shaped stent, described image acquisition device are signally attached to image recognition mould
Block.
Tobacco leaf 6 is adsorbed on by perforated tape 8 by the airing hole on air inlet and perforated tape 8 in discharge end negative pressure chamber 3
Surface, and be bent in discharge end with perforated tape 8 and then reach negative pressure chamber 3 in the following, original first upward downwards, leaves negative
It will be fallen under the effect of gravity on the second conveyer belt 2 after pressing the air inlet range of chamber 3, the second of tobacco leaf 6 is face-up at this time,
Facilitate and carries out two sides and take pictures identification.
Embodiment 2:
As shown in Figure 3,4, the present embodiment is distinguished compared with Example 1 is that negative pressure punching conveyer belt 1 and negative pressure chamber 3 exist
The structure of discharge end.The discharge end is equipped at least two transfer rollers 7, and the perforated tape 8 of the discharge end is fitted in the negative pressure
About 3 two sides of chamber and side towards the discharge end side, two in the transfer roller 7 of the discharge end are respectively provided at institute
State upper and lower ends of the negative pressure chamber 3 towards the discharge end side.The negative pressure chamber 3 towards the discharge end side be square
Shape, and facilitate the steady conveying of tobacco leaf 6, the radius of fillet and 7 radius of transfer roller being arranged herein at seamed edge using rounded structure
Quite.
Embodiment 3:
The present embodiment is close with the structure of embodiment 2, and difference is that the negative pressure chamber 3 is towards the discharge end side
Semicircle cambered surface.
Embodiment 4:
The present embodiment the difference from example 2 is that the negative pressure chamber 3 towards the discharge end side be polygon, institute
It states the seamed edge that each interplanar that negative pressure chamber 3 contacts with the perforated tape 8 is connected to form and passes through cambered surface transition, set at the seamed edge
There is the transfer roller 7.The radius of transition cambered surface is suitable with the radius of the transfer roller 7.
Using the negative pressure tobacco leaf vision double-side detection equipment of the various embodiments described above, the present invention also provides a kind of detection methods
To identify the mildew tobacco leaf and inferior grade tobacco leaf in the tobacco leaf after selection by winnowing.The detection method includes the following steps:
Step 1: the feeding end of the negative pressure punching conveyer belt 1 is placed into after the tobacco leaf 6 after removal of impurities is shakeout；
Step 2: the tobacco leaf 6 is by the visual detection equipment 5 on negative pressure punching conveyer belt 1, and image collecting device is by cigarette
The image information collecting in the first face of leaf 6 upward is sent to picture recognition module；
Step 3: tobacco leaf 6 reach discharge end, negative pressure chamber 3 tobacco leaf 6 is adsorbed on perforated tape 8 tobacco leaf 6 is transferred to it is negative
The lower surface of pressure punching conveyer belt 1；
Step 4: the tobacco leaf 6, which leaves, falls to the second conveyer belt 2 at negative pressure chamber 3, and the overturning of tobacco leaf 6 at this time second faces
On, and the visual detection equipment 5 being transported on the second conveyer belt 2；
Step 5: the image information collecting in 6 second face of tobacco leaf is sent figure by the visual detection equipment 5 on the second conveyer belt 2
As identification module, the image information in 6 first face of described image identification module combination tobacco leaf and the second face carries out the quality of tobacco leaf 6
Identification classification.
Preferably, in the step 1, the tobacco leaf 6 after removal of impurities is placed into the pan feeding of the negative pressure punching conveyer belt 1 after shakeouing
End.It is overturn when tobacco leaf 6 falls in order to prevent, the vertical spacing of the second conveyer belt 2 and negative pressure punching conveyer belt 1 should be less than tobacco leaf 6
Width.
This equipment first punches conveyer belt 1 by the image in the acquisition of visual detection equipment 56 first face of tobacco leaf in negative pressure, then passes through
Negative pressure chamber 3 and negative pressure punching conveyer belt 1 will be sent to the second conveyer belt 2 after the whole overturning of tobacco leaf 6, pass through vision-based detection thereon
The image in the acquisition of equipment 56 second face of tobacco leaf.The image that 6 two sides of tobacco leaf can be effectively ensured in this way is able to maintain consistency, greatly improves
To mildew tobacco leaf and inferior grade classification of flue-cured tobacco leaves effect.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, it is or not improved as long as using the improvement for the various unsubstantialities that the method for the present invention conception and technical scheme carry out
Present inventive concept and technical solution are directly applied into other occasions, within that scope of the present invention.
Claims (6)
1. a kind of negative pressure tobacco leaf vision double-side detection equipment, it is characterised in that: including negative pressure punching conveyer belt (1), the second transmission
Band (2), negative pressure chamber (3), negative-pressure air fan (4) and visual detection equipment (5), negative pressure punching conveyer belt (1) include transmission
Roller (7) and the perforated tape (8) being wrapped on the transfer roller (7), it is small that perforated tape (8) surface is uniformly provided with several ventilations
Hole, negative pressure chamber (3) setting is on the inside of the discharge end of negative pressure punching conveyer belt (1), the pumping of the negative pressure chamber (3)
Air port is equipped with the negative-pressure air fan (4), is designed on the negative pressure chamber (3) and the face of the perforated tape (8) interior side contacts
Air inlet, second conveyer belt (2) be located at negative pressure punching conveyer belt (1) in the following, second conveyer belt (2) charging
End is located at the side of the negative pressure chamber (3) far from the discharge end, negative pressure punching conveyer belt (1) and second transmission
The upper surface of band (2) is equipped with the visual detection equipment (5).
2. a kind of negative pressure tobacco leaf vision double-side detection equipment according to claim 1, it is characterised in that: the discharge end is set
Have at least two transfer rollers (7), the perforated tape (8) of the discharge end is fitted in the negative pressure chamber (3) two sides and direction up and down
The side of the discharge end side, two in the transfer roller (7) of the discharge end are respectively provided at the negative pressure chamber (3) direction
The upper and lower ends of the discharge end side.
3. a kind of negative pressure tobacco leaf vision double-side detection equipment according to claim 2, it is characterised in that: the negative pressure chamber
It (3) is semicircle cambered surface towards the discharge end side.
4. a kind of negative pressure tobacco leaf vision double-side detection equipment according to claim 2, it is characterised in that: the negative pressure chamber
It (3) is polygon, each interplanar phase that the negative pressure chamber (3) contacts with the perforated tape (8) towards the discharge end side
The seamed edge even formed passes through cambered surface transition, is equipped with the transfer roller (7) at the seamed edge.
5. a kind of negative pressure tobacco leaf vision double-side detection equipment according to claim 1, it is characterised in that: the vision-based detection
Equipment (5) includes door shaped stent and is mounted on the image collecting device being located above conveyer belt at the top of the door shaped stent, described
Image collecting device is signally attached to picture recognition module.
6. a kind of a kind of detection side of negative pressure tobacco leaf vision double-side detection equipment according to any one of claims 1-5
Method, characterized by the following steps:
Step 1: the feeding end of negative pressure punching conveyer belt (1) is placed into after the tobacco leaf (6) after removal of impurities is shakeout；
Step 2: the tobacco leaf (6) will by the visual detection equipment (5) in negative pressure punching conveyer belt (1), image collecting device
The image information collecting in the first face of tobacco leaf (6) upward is sent to picture recognition module；
Step 3: tobacco leaf (6) reaches discharge end, and tobacco leaf (6) is adsorbed on perforated tape (8) and passes tobacco leaf (6) by negative pressure chamber (3)
The defeated lower surface to negative pressure punching conveyer belt (1)；
Step 4: the tobacco leaf (6), which is left, falls to the second conveyer belt (2) at negative pressure chamber (3), tobacco leaf (6) overturning at this time second
Up, and the visual detection equipment (5) that is transported on the second conveyer belt (2)；
Step 5: the visual detection equipment (5) on the second conveyer belt (2) sends the image information collecting in (6) second face of tobacco leaf to
Matter of the image information in picture recognition module, (6) first face of described image identification module combination tobacco leaf and the second face to tobacco leaf (6)
Amount carries out identification classification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182115.1A CN109342422A (en) | 2018-10-11 | 2018-10-11 | A kind of negative pressure tobacco leaf vision double-side detection equipment and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811182115.1A CN109342422A (en) | 2018-10-11 | 2018-10-11 | A kind of negative pressure tobacco leaf vision double-side detection equipment and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342422A true CN109342422A (en) | 2019-02-15 |
Family
ID=65308795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811182115.1A Pending CN109342422A (en) | 2018-10-11 | 2018-10-11 | A kind of negative pressure tobacco leaf vision double-side detection equipment and detection method |
Country Status (1)
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| CN (1) | CN109342422A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139051A (en) * | 2020-09-10 | 2020-12-29 | 沅陵县向华电子科技有限公司 | Electronic component conveyer |
| CN112557391A (en) * | 2019-09-25 | 2021-03-26 | 浙江维创智能科技有限公司 | Tobacco detection device with mechanical arm |
| CN112591457A (en) * | 2020-11-11 | 2021-04-02 | 中山市拓电电子科技有限公司 | Tobacco leaf inner box lifting control method for detecting tobacco leaf quality |
| CN113879767A (en) * | 2021-09-01 | 2022-01-04 | 上海启迪睿视智能科技有限公司 | Tobacco leaf double-side shooting device |
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| CN112591457A (en) * | 2020-11-11 | 2021-04-02 | 中山市拓电电子科技有限公司 | Tobacco leaf inner box lifting control method for detecting tobacco leaf quality |
| CN113879767A (en) * | 2021-09-01 | 2022-01-04 | 上海启迪睿视智能科技有限公司 | Tobacco leaf double-side shooting device |
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Application publication date: 20190215 |