CN103523292A - Tobacco bale conveyance stabilizing mechanism, tobacco bale imaging detecting device and tobacco bale imaging detecting method - Google Patents
Tobacco bale conveyance stabilizing mechanism, tobacco bale imaging detecting device and tobacco bale imaging detecting method Download PDFInfo
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- CN103523292A CN103523292A CN201310522922.4A CN201310522922A CN103523292A CN 103523292 A CN103523292 A CN 103523292A CN 201310522922 A CN201310522922 A CN 201310522922A CN 103523292 A CN103523292 A CN 103523292A
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Abstract
The invention relates to a tobacco bale conveyance stabilizing mechanism, a tobacco bale imaging detecting device and a tobacco bale imaging detecting method. The tobacco bale conveyance stabilizing mechanism comprises two flat belt sets, a motor and a conveying belt, wherein the flat belt sets are driven by the motor and are arranged at intervals along the conveying direction; the size of a gap between the two flat belt sets in the conveying direction is smaller than the length of a single tobacco bale; each flat belt set comprises flat belts which are parallel to each other and are oppositely arranged on two sides of the conveying belt; and the distance between two flat belts in each flat belt group is slightly smaller than the thickness of a single tobacco bale. By the tobacco bale conveyance stabilizing mechanism, tobacco bales can stably pass through an imaging mechanism, and the tobacco bale imaging position and the tobacco bale imaging angle are fixed, so that tobacco bale image pickup precision and tobacco bale image pickup reliability are improved.
Description
Technical field
The present invention relates to belong to tobacco electric automatization control field, relate in particular to a kind of tobacco bale and carry stabilizing mechanism, tobacco bale imaging detection device and method.
Background technology
Tobacco bale imaging detection device is the equipment for detection of tobacco bale external packing quality.It is the structural representation of tobacco bale imaging detection device in prior art that Fig. 1 illustrates.As shown in Figure 1, tobacco bale 1 ' is driven forward and is carried by belt conveyor 3 ' between the channel blind 2 ' of both sides.The top of passage is provided with one or more imaging mechanisms 4 ', and utilizes illuminating lamp 5 ' illumination, for taking the external packing image of tobacco bale 1 '.Detection probe 6 ' is equipped with on passage limit, and in the time of tobacco bale 1 ' process detection probe 6 ' position, detection probe 6 ' is responded to.Detection probe 6 ' output signal is connected in controller (not shown), and when detection probe 6 ' detects tobacco bale 1 ' and occurs, controller is controlled imaging lens 4 ' and taken the now external packing image of tobacco bale 1 '.Controller is analyzed relatively captured image and standard imaging, for judging whether, has packing defect, is judged as the tobacco bale of defect by disallowable.
Smooth and easy current on passage for guaranteeing tobacco bale 1 ', the distance between the channel blind 2 ' of both sides is greater than the width of tobacco bale.Therefore when tobacco bale 1 ' is transmitted through imaging lens 4 ' when front, total easily produce before and after crooked, wigwag motion phenomenon.This phenomenon causes the angle of photographic images uncertain, affected the particularity that tobacco bale imaging detection device detects, especially to high, the reflective stronger tobacco bale of some surface flatnesses, the variation of tobacco bale position makes the image generating produce speck under illuminating lamp 5 ' irradiates, had a strong impact on the accuracy detecting, and a large amount of mistakes of easy generation are rejected or the undetected survey of external packing defect tobacco bale.
Summary of the invention
The object of the invention is to propose a kind of tobacco bale and carry stabilizing mechanism, tobacco bale imaging detection device and method, it can make tobacco bale can stablize by imaging mechanism, and position and the angle of tobacco bale imaging are fixed, thereby improves precision and the fiduciary level of tobacco bale camera detection.
For achieving the above object, the invention provides following technical scheme:
Carry a stabilizing mechanism, comprise motor and the belt conveyor of two flat belt groups, driving flat belt group, wherein: two flat belt groups arrange along throughput direction interval, and the length of the gap between the two on throughput direction is less than the length of single tobacco bale; Each flat belt group comprises parallel and is oppositely arranged on the flat belt of belt conveyor both sides; Distance in each flat belt group between two flat belts is slightly less than the thickness of single tobacco bale.
Further, two flat belts in each flat belt group turn round in opposite directions.
Further, the linear velocity of each flat belt is identical with belt conveyor.
Further, the length of the gap between two flat belt groups on throughput direction is half tobacco bale length.
An imaging detection device, comprises imaging mechanism and controller; Also comprise the tobacco bale conveying stabilizing mechanism in the various embodiments described above, wherein: imaging mechanism is used for according to the instruction of controller, to tobacco bale, carry in stabilizing mechanism the tobacco bale in gap between two flat belt groups to take, obtain leading portion and the trailing portion image of tobacco bale, flow to controller; Controller is for being merged into a complete tobacco bale image by the tobacco bale leading portion of acquisition and trailing portion image, and complete tobacco bale image and default standard tobacco bale image are compared, to judge the no packing defect that exists.
Further, also comprise: at least Liang Ge testing agency arranging along throughput direction; Between the spacing of Liang Ge testing agency and two flat belt groups, gap is equal in length; Gap between two flat belt groups has front side and rear side on throughput direction; One of them testing agency is arranged on rear side, and another testing agency is arranged in the flat belt group of rear side, all for sensing, when tobacco bale runs to this testing agency position, to controller, sends detection signal; Controller is the detection signal for sending according to testing agency also, to imaging mechanism, sends and takes instruction.
Further, testing agency is arranged on tobacco bale side.
Further, also comprise for the illuminating lamp to tobacco bale illumination.
A kind of tobacco bale imaging detection method that adopts tobacco bale imaging detection device, comprise the following steps: in response to the shooting instruction of the controller in tobacco bale imaging detection device, leading portion and the trailing portion image of tobacco bale in gap between the two flat belt groups of the imaging mechanism collection in tobacco bale imaging detection device in tobacco bale imaging detection device; Controller is merged into a complete tobacco bale image by the tobacco bale leading portion of acquisition and trailing portion image, and complete tobacco bale image and default standard tobacco bale image are compared, to judge whether to exist packing defect.
Further, further comprising the steps of: in response to the detection signal of the testing agency in tobacco bale imaging detection device, controller sends and takes instruction to imaging mechanism.
Further, further comprising the steps of: in response to the detection signal of the rear side place testing agency in gap between two flat belt groups, imaging mechanism gathers the tobacco bale leading portion image in gap between two flat belt groups; In response to the detection signal of the flat belt Zu Chu testing agency of gap rear side between two flat belt groups, imaging mechanism gathers the tobacco bale trailing portion image in gap between two flat belt groups.
Arbitrary technical scheme based in technique scheme, the embodiment of the present invention at least can produce following technique effect:
Because being provided with, the present invention comprises two flat belt groups, drive the motor of flat belt and the tobacco bale of belt conveyor to carry stabilizing mechanism, and two flat belt groups arrange along throughput direction interval, the length of gap between the two on throughput direction is less than the length of single tobacco bale, each flat belt group comprises parallel and is oppositely arranged on the flat belt of belt conveyor both sides, distance in each flat belt group between two flat belts is slightly less than the thickness of single tobacco bale, thereby tobacco bale is when carrying stabilizing mechanism by tobacco bale, federation is being clamped translation by one group of flat belt wherein, therefore crooked before and after not existing, the phenomenon of wigwag motion, therefore, tobacco bale can be stablized and pass through imaging mechanism, position and the angle of tobacco bale imaging are fixed, thereby improve precision and the fiduciary level of tobacco bale camera detection.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of tobacco bale imaging detection device in prior art;
Fig. 2 is the structural representation of tobacco bale imaging detection device in the present invention;
Fig. 3 is the structural representation of tobacco bale imaging detection device in the present invention;
Fig. 4 is the relative position schematic diagram of tobacco bale on belt conveyor while gathering image in the present invention.
The specific embodiment
For making object of the invention process, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, rather than whole embodiment.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limiting the scope of the invention.
As shown in Figure 2 and Figure 3, tobacco bale provided by the present invention carries stabilizing mechanism to comprise two flat belt groups, motor and belt conveyor 3, wherein: two flat belt groups arrange along throughput direction interval, are sequentially defined as front flat belt group 7, rear flat belt group 8.The length of gap between front flat belt group 7, rear flat belt group 8 on throughput direction is less than the length of single tobacco bale 1.Each flat belt group comprises parallel and is oppositely arranged on the flat belt of belt conveyor 3 both sides, and two flat belts in front flat belt group 7 drive by motor 9 respectively, and two flat belts in rear flat belt group 8 are driven by motor 10 respectively.Distance in each flat belt group between two flat belts is slightly less than the thickness of single tobacco bale 1, that is to say, distance in each flat belt group between two flat belts allows that single tobacco bale 1 passes through just, and, when tobacco bale 1 passes through between two flat belts, between tobacco bale 1 and flat belt, there is certain friction force, always by front flat belt group 7, clamped translation with relative flat belt in rear flat belt group 8, therefore crooked before and after not existing, the phenomenon of wigwag motion, therefore, tobacco bale can be stablized and pass through imaging mechanism, position and the angle of tobacco bale imaging are fixed, thereby improve precision and the fiduciary level of tobacco bale camera detection.
Further, two flat belts in front flat belt group 7 and rear flat belt group 8 are all to turn round in opposite directions, it is direction of rotation, so not only being conducive to tobacco bale 1 is fed forward being slightly less than between two flat belts of its thickness, also helping the generation of friction force between tobacco bale and flat belt, is stablizing by precondition is provided of tobacco bale 1.
Certainly, under the drive of motor 9 and motor 10, the linear velocity of each flat belt should be identical with the linear velocity of belt conveyor 3.
In above-described embodiment, the length of the gap between front flat belt group 7 and rear flat belt group 8 on throughput direction can be the length of half tobacco bale 1, can be also other length, is only less than the length of a tobacco bale 1.
The present invention also provides a kind of tobacco bale imaging detection device, ground same as the prior art, include imaging mechanism 4 and controller (not shown), wherein: imaging mechanism 4 is arranged on passage top, for taking tobacco bale 1 image (external packing image) on belt conveyor 3.Controller is for sending and take instruction to imaging mechanism 4, and receive the tobacco bale image that imaging mechanism 4 is carried, again captured tobacco bale image and default standard tobacco bale image are analyzed relatively, for judging whether, had packing defect, be judged as the tobacco bale of defect by disallowable.But crooked, wigwag motion phenomenon before and after prior art tobacco bale 1 exists in course of conveying, is unfavorable for the accurate acquisition of tobacco bale image.
Given this, tobacco bale imaging detection device provided by the present invention also comprises the tobacco bale conveying stabilizing mechanism in the various embodiments described above, wherein: imaging mechanism 4 is for according to the instruction of controller, to tobacco bale, carry in stabilizing mechanism the tobacco bale in gap between front flat belt group 7 and rear flat belt group 8 to take, the leading portion image and the trailing portion image that obtain tobacco bale, flow to controller.Controller is for merging the tobacco bale leading portion image obtaining and trailing portion image, form a complete tobacco bale image, then complete tobacco bale image and default standard tobacco bale image are analyzed relatively, to judge whether tobacco bale 1 exists packing defect, be judged as the tobacco bale of defect by disallowable.
In above-described embodiment, tobacco bale imaging detection device provided by the present invention also comprises: at least Liang Ge testing agency arranging along throughput direction, because the gap between front flat belt group 7 and rear flat belt group 8 has front side and rear side on throughput direction, along tobacco bale throughput direction, wherein the front 6-1 of testing agency is arranged on the rear side ，Hou 6-2 of testing agency and is arranged in rear flat belt group 8.When tobacco bale 1 is by the front 6-2 of 6-1He Hou testing agency of testing agency position, ，Er testing agency all can obtain by sensing, and produces detection signal.The present embodiment Zhong， testing agency adopts detection probe, and detection probe is normally arranged on tobacco bale side, easily and timely to detect the tobacco bale 1 being passed through.
Between the spacing of Liang Ge testing agency and front flat belt group 7 and rear flat belt group 8, gap is equal in length, its reason is: as shown in Figure 4, in Fig. 4, tobacco bale 1 throughput direction is direction from right to left, the length of setting tobacco bale 1 is a, between front flat belt group 7 and rear flat belt group 8, the length in gap is l, the 6-1 of current detection mechanism senses tobacco bale 1 when passing through, what now the front 6-1 of testing agency sensed is the front end of tobacco bale 1, therewith synchronously, imaging mechanism 4 obtains the tobacco bale leading portion image that between front flat belt group 7 and rear flat belt group 8, in gap, length is l; When tobacco bale 1 continues to move ahead, the 6-2 of Dang Hou testing agency senses tobacco bale 1 when passing through, what now, the 6-2 of testing agency sensed is the front end of tobacco bale 1, therewith synchronously, imaging mechanism 4 obtains the tobacco bale trailing portion image that between front flat belt group 7 and rear flat belt group 8, in gap, length is a-l, and the tobacco bale trailing portion image that the tobacco bale leading portion image that length is l and length are a-l just in time can scrabble up a complete tobacco bale image.In the present embodiment, what between flat belt group 7 and rear flat belt group 8, the length l in gap was selected is the length of half tobacco bale 1, i.e. a/2, and thus, the image of tobacco bale leading portion image and tobacco bale trailing portion image is all half of length of tobacco bale 1.
The 6-2 of 6-1He Hou testing agency of front testing agency all sends detection signal to controller for sensing when tobacco bale runs to this testing agency position.Controller is the detection signal for sending according to testing agency also, to imaging mechanism 4, sends and takes instruction.
In the various embodiments described above, also comprise illuminating lamp 5, be arranged on the top in gap between front flat belt group 7 and rear flat belt group 8, for the tobacco bale 1 to by herein, throw light on.
The present invention also provides a kind of tobacco bale imaging detection method that adopts tobacco bale imaging detection device, comprises the following steps:
In response to the shooting instruction of the controller in tobacco bale imaging detection device, imaging mechanism in tobacco bale imaging detection device 4 gathers between flat belt group 7 in tobacco bale imaging detection device and rear flat belt group 8 leading portion and the trailing portion image of tobacco bale in gap;
Controller is merged into a complete tobacco bale image by the tobacco bale leading portion of acquisition and trailing portion image, and complete tobacco bale image and default standard tobacco bale image are compared, to judge the no packing defect that exists.
Further, a kind of employing tobacco bale imaging detection method provided by the present invention is further comprising the steps of:
In response to the detection signal of the testing agency in tobacco bale imaging detection device, controller sends and takes instruction to imaging mechanism 4.
Further, a kind of employing tobacco bale imaging detection method provided by the present invention is further comprising the steps of:
In response to the detection signal of the 6-1 of rear side place testing agency in gap between flat belt group 7 and rear flat belt group 8, imaging mechanism 4 gathers the tobacco bale leading portion image in gap between flat belt group 7 and rear flat belt group 8;
In response to the detection signal of rear flat belt group 8 place testing agencies, imaging mechanism 4 gathers the tobacco bale trailing portion image in gap between flat belt group 7 and rear flat belt group 8.
Below by concrete example, principle of work of the present invention is described in detail.
In the present embodiment, what the 6-2 of 6-1He Hou testing agency of front testing agency adopted is detection probe, be divided into front detection probe 6-1, rear detection probe 6-2, what imaging mechanism 4 adopted is imaging detector lens 4, and between belt group 7 and rear flat belt group 8, the length l in gap is the length a/2 of half tobacco bale 1.
When tobacco bale 1 moves forward while just being detected by front detection probe 6-1, now imaging detector lens 4 just in time photographs the left-half of tobacco bale 1.Rear detection probe 6-2 is above rear flat belt group 8, and when tobacco bale 1 moves forward while just being detected by rear detection probe 6-2, now imaging detector lens 4 just in time photographs the right half part of tobacco bale 1, as shown in Figure 3.The picture signal that the signal of front detection probe 6-1 and rear detection probe 6-2 and imaging detector lens 4 are taken is all input in controller.When current detection probe 6-1 detects tobacco bale 1 well, controller is controlled to picture detector lens 4 and takes first image, and this image is the left-half of tobacco bale 1; When tobacco bale 1 is fed forward while just being detected by rear detection probe 6-2, controller is controlled to picture detector lens 4 and takes second image, and this image is the right half part of tobacco bale 1.Controller carries out first image and second image after amalgamation, forms complete tobacco bale image.This image is analyzed relatively with the standard imaging being stored in controller, for judging whether to exist defect, is judged as the tobacco bale of defect by disallowable.
During due to tobacco bale process imaging detector lens, always by front flat belt group or rear flat belt group, clamped translation, therefore crooked, wiggly phenomenon before and after not existing, imaging angle and the position of each tobacco bale are consistent, thereby it is reliable to have guaranteed that imaging detects.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (10)
1. tobacco bale is carried a stabilizing mechanism,
It is characterized in that,
The motor and the belt conveyor that comprise two flat belt groups, driving flat belt group, wherein:
Two flat belt groups arrange along throughput direction interval, and the length of the gap between the two on throughput direction is less than the length of single tobacco bale;
Each flat belt group comprises parallel and is oppositely arranged on the flat belt of belt conveyor both sides;
Distance in each flat belt group between two flat belts allows that single tobacco bale passes through just;
Two flat belts in each flat belt group in make tobacco bale by two flat belts between time, the two has the operative condition in opposite directions of friction force.
2. mechanism as claimed in claim 1,
It is characterized in that,
The linear velocity of each flat belt is identical with belt conveyor.
3. mechanism as claimed in claim 2,
It is characterized in that,
The length of gap between two flat belt groups on throughput direction is half tobacco bale length.
4. a tobacco bale imaging detection device,
Comprise: imaging mechanism and controller;
It is characterized in that,
Also comprise the tobacco bale conveying stabilizing mechanism as described in any one in claim 1-3, wherein:
Imaging mechanism is for according to the instruction of controller, to tobacco bale, carries in stabilizing mechanism the tobacco bale in gap between two flat belt groups to take, and obtains leading portion and the trailing portion image of tobacco bale, flows to controller;
Controller is for being merged into a complete tobacco bale image by the tobacco bale leading portion of acquisition and trailing portion image, and complete tobacco bale image and default standard tobacco bale image are compared, to judge whether to exist packing defect.
5. device as claimed in claim 4,
It is characterized in that,
Also comprise:
At least Liang Ge testing agency arranging along throughput direction;
Between the spacing of Liang Ge testing agency and two flat belt groups, gap is equal in length;
Gap between two flat belt groups has front side and rear side on throughput direction;
One of them testing agency is arranged on rear side, and another testing agency is arranged in the flat belt group of rear side, all for sensing, when tobacco bale runs to this testing agency position, to controller, sends detection signal;
Controller is the detection signal for sending according to testing agency also, to imaging mechanism, sends and takes instruction.
6. device as claimed in claim 5,
It is characterized in that,
Testing agency is arranged on tobacco bale side.
7. device as claimed in claim 6,
It is characterized in that,
Also comprise for the illuminating lamp to tobacco bale illumination.
8. adopt a tobacco bale imaging detection method for tobacco bale imaging detection device,
It is characterized in that,
Comprise the following steps:
In response to the shooting instruction of the controller in tobacco bale imaging detection device, leading portion and the trailing portion image of tobacco bale in gap between the two flat belt groups of the imaging mechanism collection in tobacco bale imaging detection device in tobacco bale imaging detection device;
Controller is merged into a complete tobacco bale image by the tobacco bale leading portion of acquisition and trailing portion image, and complete tobacco bale image and default standard tobacco bale image are compared, to judge whether to exist packing defect.
9. method as claimed in claim 8,
It is characterized in that,
Further comprising the steps of:
In response to the detection signal of the testing agency in tobacco bale imaging detection device, controller sends and takes instruction to imaging mechanism.
10. method as claimed in claim 9,
It is characterized in that,
Further comprising the steps of:
In response to the detection signal of the rear side place testing agency in gap between two flat belt groups, imaging mechanism gathers the tobacco bale leading portion image in gap between two flat belt groups;
In response to the detection signal of the flat belt Zu Chu testing agency of gap rear side between two flat belt groups, imaging mechanism gathers the tobacco bale trailing portion image in gap between two flat belt groups.
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