CN105011358A - Dish paper remnant detection apparatus based on machine vision technology - Google Patents
Dish paper remnant detection apparatus based on machine vision technology Download PDFInfo
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- CN105011358A CN105011358A CN201510326092.7A CN201510326092A CN105011358A CN 105011358 A CN105011358 A CN 105011358A CN 201510326092 A CN201510326092 A CN 201510326092A CN 105011358 A CN105011358 A CN 105011358A
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Abstract
The present invention discloses a dish paper remnant detection apparatus based on a machine vision technology, wherein the dish paper remnant detection apparatus can be used for detecting the remnant of the dish paper used during the cigarette wrapping machine unit production process and sending the dish paper switching signal to the wrapping machine unit control system when achieving the set value. The dish paper remnant detection apparatus mainly comprises a controller, a dish paper image acquisition module, a synchronous switch and other peripheral devices. Compared with the dish paper remnant detection apparatuses commonly used on the current market, the dish paper remnant detection apparatus of the present invention has the following advantages that the detection precision is substantially improved, the precision of the length of the remaining dish paper can achieve every circle, the waste of the dozens of the circles in the prior art is avoided, and the dish paper remnant detection apparatus can be used for a variety of wrapping machine units on the current market, can be adapted to coiling shafts with different diameters and dish paper with different thicknesses, and has a broad application space.
Description
Technical field
The present invention relates to cigarette rolling up and connecting machine obbbin checkout gear field, specifically a kind of obbbin allowance detector based on machine vision technique.
Background technology
The obbbin that cigarette cigarette making and tipping machine uses needed to be switched to another dish to keep the continuity of producing before being finished.The principle of current detection obbbin surplus is as follows: obbbin tray edge has equidistant detent projection, detent projection is detected by proximity switch, obbbin often turns around, proximity switch can produce the pulse of fixed qty, generally this pulse sum (namely obbbin rotation number of total coils) is set at machine main controller, system utilizes proximity switch to detect the number of total coils of obbbin rotation, has arrived the laggard row obbbin of pre-fixing turn and has switched.Because Fu Cai provider does not strictly control the overall length of obbbin, also difference is comparatively large for the diameter of spool in addition, and therefore the number of total coils of every bobbin paper is also different.In order to avoid the setting number of turns not then obbbin be just finished and caused shutdown, operating personnel are generally arranged on tens circles obbbin surplus.So each remaining bobbin length often has tens meters to tens meters, accumulates over a long period and can cause very large waste.
At home and abroad in tobacco business, the application of machine vision technique is more and more extensive, is mainly used in the foreign body detecting etc. in packet appearance quality testing, barrel appearance quality detection and Primary Processing.Along with the continuous maturation of machine vision technique, adopting machine vision technique to carry out the detection of obbbin surplus will be a kind of new trend.
summary of the inventionthe object of this invention is to provide a kind of obbbin allowance detector based on machine vision technique; for to detect in cigarette cigarette making and tipping machine production process use the surplus of obbbin; send obbbin switching signal when surplus reaches setting value to cigarette making and tipping machine, avoid obbbin to be finished and cause shutting down or remaining causing waste too much.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of obbbin allowance detector based on machine vision technique, it is characterized in that: comprise controller, obbbin image capture module, described controller comprises case box, window is had in case box front panel, the liquid crystal display of band touch-screen is installed by liquid crystal mounting support in front panel window, case box back side panel inwall is provided with core industrial control board, Interface Control Panel, case box back side panel lower inner wall is provided with interface plate, in case box back side panel below interface plate, cable socket is installed, described Interface Control Panel access core industrial control board, liquid crystal display with touch-screen is connected with Interface Control Panel by liquid crystal display and touch-screen cable, interface plate access interface control panel, cable socket is connected with interface plate,
Described obbbin image capture module comprises the housing of the L shape of lying down, concave bottom the horizontal one end of housing L shape and form the recess of isosceles trapezoid shape, the trapezoidal top of recess is provided with camera lens transparency window by window, the inclined-plane, trapezoidal both sides of recess is provided with light source clear glass respectively by window, housing L shape is provided with CMOS industrial camera by camera mounting bracket in horizontal one end, CMOS industrial camera is provided with camera lens by lens mount, and camera lens is vertical just to camera lens transparency window, in the horizontal one end of housing L shape, corresponding light source clear glass position is separately installed with bar-shaped LED light source, housing sidewall is also provided with cable socket, described CMOS industrial camera is connected with cable socket by phase electric cable, described bar-shaped LED light source is connected with cable socket by light source cable,
The camera lens transparency window of described obbbin image capture module is just to the side of obbbin, to make camera lens and the obbbin lateral vertical of CMOS industrial camera, in obbbin image capture module, cable socket is connected with cable socket in controller by cable, obbbin image capture module gathers obbbin side image to be detected by CMOS industrial camera and after carrying out preliminary treatment, again image is sent to the core industrial control board in controller, by controller, filtering is carried out to obbbin side image, gray processing, segmentation, then upright projection is carried out to the image after segmentation, then calculus of finite differences is utilized to search search obbbin left and right edges, calculate obbbin width pixel count, last quadratic fit obtains obbbin width pixel accurately, and then obtain obbbin surplus.
Described a kind of obbbin allowance detector based on machine vision technique, it is characterized in that: in described controller, between core industrial control board and case box back side panel inwall, industrial control board fin is installed, case box top is provided with alarm lamp, case box top inner wall is provided with fan, and described alarm lamp is connected with Interface Control Panel by fan cable respectively by alarm lamp cable, fan.
Described a kind of obbbin allowance detector based on machine vision technique, it is characterized in that: bottom described case box, also form relatively protruding projection seat, projection seat is arranged in a rotary flange dish, and projection seat is locked in rotary flange dish by holding screw.
Described a kind of obbbin allowance detector based on machine vision technique, it is characterized in that: in described obbbin image capture module, the vertical one end of housing L shape is arranged in a mounting flange, and the vertical one end of housing L shape is locked in mounting flange by holding screw.
The invention has the beneficial effects as follows:
The present invention is compared with the obbbin allowance detector generally used in the market, and accuracy of detection improves greatly, and the length of residue obbbin can be accurate to each circle, avoids the waste in the past remaining tens circles.The present invention can be used for various cigarette making and tipping machine in the market, can adapt to the spool of different-diameter and the obbbin of different-thickness, have a wide range of applications space.In addition, owing to have employed machine vision technique, and with touch-screen, operating personnel's operation is more directly perceived, convenient.
Accompanying drawing explanation
Fig. 1 is circuit catenation principle block diagram of the present invention.
Fig. 2 is image processing flow figure of the present invention.
Fig. 3 is the side sectional view of controller of the present invention.
Fig. 4 is the structure chart of obbbin image capture module of the present invention.
Detailed description of the invention
As shown in Fig. 1-Fig. 4, a kind of obbbin allowance detector based on machine vision technique, comprise controller, obbbin image capture module, controller comprises case box 7, window is had in case box 7 front panel 3, the liquid crystal display 1 of band touch-screen is installed by liquid crystal mounting support 2 in front panel 3 window, case box 7 back side panel inwall is provided with core industrial control board 5, Interface Control Panel 4, case box 7 back side panel lower inner wall is provided with interface plate 8, in case box 7 back side panel below interface plate 8, cable socket 9 is installed, Interface Control Panel 4 accesses core industrial control board 5, liquid crystal display 1 with touch-screen is connected with Interface Control Panel 4 by liquid crystal display and touch-screen cable 10, interface plate 8 access interface control panel 4, cable socket 9 is connected with interface plate 8,
Obbbin image capture module comprises the housing 17 of the L shape of lying down, concave bottom the horizontal one end of housing 17L shape and form the recess of isosceles trapezoid shape, the trapezoidal top of recess is provided with camera lens transparency window 18 by window, the inclined-plane, trapezoidal both sides of recess is provided with light source clear glass 19 respectively by window, housing 17L shape is provided with CMOS industrial camera 21 by camera mounting bracket 20 in horizontal one end, CMOS industrial camera 21 is provided with camera lens 23 by lens mount 22, and camera lens 23 is vertical just to camera lens transparency window 18, in the horizontal one end of housing 17L shape, corresponding light source clear glass 19 position is separately installed with bar-shaped LED light source 24, housing 17 sidewall is also provided with cable socket 25, CMOS industrial camera 21 is connected with cable socket 25 by phase electric cable 26, bar-shaped LED light source 24 is connected with cable socket 25 by light source cable 27,
The camera lens transparency window 18 of obbbin image capture module is just to the side of obbbin, to make camera lens 23 and the obbbin lateral vertical of CMOS industrial camera 21, in obbbin image capture module, cable socket 25 is connected with cable socket in controller 9 by cable, obbbin image capture module gathers obbbin side image to be detected by CMOS industrial camera 21 and after carrying out preliminary treatment, again image is sent to the core industrial control board 5 in controller, by controller, filtering is carried out to obbbin side image, gray processing, segmentation, then upright projection is carried out to the image after segmentation, then calculus of finite differences is utilized to search search obbbin left and right edges, calculate obbbin width pixel count, last quadratic fit obtains obbbin width pixel accurately, and then obtain obbbin surplus.
In controller, between core industrial control board 5 and case box 7 back side panel inwall, industrial control board fin 6 is installed, case box 7 top is provided with alarm lamp 11, case box 7 top inner wall is provided with fan 14, and alarm lamp 11 is connected with Interface Control Panel 4 by fan cable 13 respectively by alarm lamp cable 12, fan 14.
Also form relatively protruding projection seat bottom case box 7, projection seat is arranged in a rotary flange dish 15, and projection seat is locked in rotary flange dish 15 by holding screw 16.
In obbbin image capture module, the vertical one end of housing 17L shape is arranged in a mounting flange 29, and the vertical one end of housing 17L shape is locked in mounting flange 29 by holding screw 28.
In FIG, core industrial control board is used for the operation of operating system and upper computer software.The control command performing upper computer software is responsible for by single-chip microcomputer, with cigarette making and tipping machine control system communication etc.Obbbin image capture module communication interface is for connecting obbbin image capture module, single-chip microcomputer is taken pictures by fixed time interval by the industrial camera in this Interface Controller obbbin image capture module, and the picture of shooting to be sent to the core industrial control board in controller by industrial camera by this interface.Cigarette making and tipping machine control system communication interface is used for single-chip microcomputer and sends obbbin switching signal to cigarette making and tipping machine control system.Control circuit for light source controls the switch of light source, only just opens light source when system is taken pictures, closes light source At All Other Times, thus ensures the stability of light source.Operator can check the relevant information of system cloud gray model by display screen, and is arranged the relevant parameter of system by touch-screen.
In fig. 2, the image processing program in the present invention carries out following process and judgement successively: carry out filtering process to image, eliminates the noise because the factors such as external context cause after obtaining obbbin image from obbbin image collection assembly; Gray processing process is carried out to image, coloured image is converted to gray level image, if employing is black and white camera, do not need to carry out this step; To the Image Segmentation Using process after gray processing, reduce the error because obbbin image radian causes; Upright projection is carried out to the image after segmentation, searches obbbin left and right edges, calculate obbbin width pixel count; Obbbin width mean pixel is more accurately obtained by quadratic fit; Judge that whether residue obbbin pixel count is lower than setting value, when sending obbbin switching signal lower than during setting value to cigarette making and tipping machine control system.
In figure 3, first the interface plate 8 of the cable socket 9 that has been welded is fixed on case box 7 by screw.Then be fixed on case box 7 by stud after Interface Control Panel 4, core industrial control board 5 and industrial control board fin 6 being secured together by screw, case box 7 is close to by industrial control board fin 6.Again liquid crystal display and touch-screen 1 are fixed on case front panel 3 by liquid crystal mounting support 2, connect liquid crystal display and touch-screen 1 and interface board 4 by liquid crystal display and touch-screen cable 10.Alarm lamp 11 is fixed on case box 7 by screw, connects alarm lamp 11 and Interface Control Panel 4 by alarm lamp cable 12.Finally by screw, case front panel 3 and case box 7 are secured together.
In the diagram, by lens mount 22, camera lens 23 is fixed on industrial camera 21.By screw, industrial camera 21 is fixed on camera mounting bracket 20.By screw, camera mounting bracket 20 is fixed on housing 17.Camera lens transparency window 18 and light source clear glass 19 adhere on housing 17.By phase electric cable 26, light source cable 27, industrial camera 21, bar-shaped LED light source 24, cable socket 25 are connected together.The locking nut carried by cable socket 25 is fixed on housing 17.Fixed by screw after adding sealing gasket 31 between housing 17 upper cover 30 and housing 17.Housing 17 is fixed to mounting flange 29 by holding screw 28.
Claims (4)
1. the obbbin allowance detector based on machine vision technique, it is characterized in that: comprise controller, obbbin image capture module, described controller comprises case box, window is had in case box front panel, the liquid crystal display of band touch-screen is installed by liquid crystal mounting support in front panel window, case box back side panel inwall is provided with core industrial control board, Interface Control Panel, case box back side panel lower inner wall is provided with interface plate, in case box back side panel below interface plate, cable socket is installed, described Interface Control Panel access core industrial control board, liquid crystal display with touch-screen is connected with Interface Control Panel by liquid crystal display and touch-screen cable, interface plate access interface control panel, cable socket is connected with interface plate,
Described obbbin image capture module comprises the housing of the L shape of lying down, concave bottom the horizontal one end of housing L shape and form the recess of isosceles trapezoid shape, the trapezoidal top of recess is provided with camera lens transparency window by window, the inclined-plane, trapezoidal both sides of recess is provided with light source clear glass respectively by window, housing L shape is provided with CMOS industrial camera by camera mounting bracket in horizontal one end, CMOS industrial camera is provided with camera lens by lens mount, and camera lens is vertical just to camera lens transparency window, in the horizontal one end of housing L shape, corresponding light source clear glass position is separately installed with bar-shaped LED light source, housing sidewall is also provided with cable socket, described CMOS industrial camera is connected with cable socket by phase electric cable, described bar-shaped LED light source is connected with cable socket by light source cable,
The camera lens transparency window of described obbbin image capture module is just to the side of obbbin, to make camera lens and the obbbin lateral vertical of CMOS industrial camera, in obbbin image capture module, cable socket is connected with cable socket in controller by cable, obbbin image capture module gathers obbbin side image to be detected by CMOS industrial camera and after carrying out preliminary treatment, again image is sent to the core industrial control board in controller, by controller, filtering is carried out to obbbin side image, gray processing, segmentation, then upright projection is carried out to the image after segmentation, then calculus of finite differences is utilized to search search obbbin left and right edges, calculate obbbin width pixel count, last quadratic fit obtains obbbin width pixel accurately, and then obtain obbbin surplus.
2. a kind of obbbin allowance detector based on machine vision technique according to claim 1, it is characterized in that: in described controller, between core industrial control board and case box back side panel inwall, industrial control board fin is installed, case box top is provided with alarm lamp, case box top inner wall is provided with fan, and described alarm lamp is connected with Interface Control Panel by fan cable respectively by alarm lamp cable, fan.
3. a kind of obbbin allowance detector based on machine vision technique according to claim 1, it is characterized in that: bottom described case box, also form relatively protruding projection seat, projection seat is arranged in a rotary flange dish, and projection seat is locked in rotary flange dish by holding screw.
4. a kind of obbbin allowance detector based on machine vision technique according to claim 1, it is characterized in that: in described obbbin image capture module, the vertical one end of housing L shape is arranged in a mounting flange, and the vertical one end of housing L shape is locked in mounting flange by holding screw.
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| CN201510326092.7A CN105011358B (en) | 2015-06-12 | 2015-06-12 | Dish paper remnant detection apparatus based on machine vision technology |
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| CN201510326092.7A CN105011358B (en) | 2015-06-12 | 2015-06-12 | Dish paper remnant detection apparatus based on machine vision technology |
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Cited By (9)
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| CN105000411A (en) * | 2015-07-14 | 2015-10-28 | 中国电子科技集团公司第四十一研究所 | Bobbin surplus detecting method based on machine vision technology |
| CN106483081A (en) * | 2016-10-28 | 2017-03-08 | 上海电机学院 | A kind of polycrystalline silicon solar cell piece surface color image collecting device |
| CN107192379A (en) * | 2017-04-18 | 2017-09-22 | 中国电子科技集团公司第四十研究所 | A kind of cork paper edge flanging detection means |
| CN107330882A (en) * | 2017-06-30 | 2017-11-07 | 航天新长征大道科技有限公司 | Foreign matter online test method after a kind of cut based on machine vision |
| CN107444712A (en) * | 2017-08-30 | 2017-12-08 | 红云红河烟草(集团)有限责任公司 | A kind of packer small box aluminum foil paper allowance detector and method |
| CN109975312A (en) * | 2019-04-19 | 2019-07-05 | 浙江中烟工业有限责任公司 | A kind of cigarette bobbin paper quality detection device and method based on machine vision technique |
| CN110211255A (en) * | 2019-06-19 | 2019-09-06 | 红云红河烟草(集团)有限责任公司 | A kind of cigarette bobbin paper based on encoder techniques, cork paper, nozzle stick consume management system |
| CN110834981A (en) * | 2019-11-21 | 2020-02-25 | 成都忠信机电技术有限公司 | Bobbin paper splicing method and system |
| CN111084412A (en) * | 2019-11-28 | 2020-05-01 | 中国电子科技集团公司第四十一研究所 | Online detection device for fragrant line filter stick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107330882A (en) * | 2017-06-30 | 2017-11-07 | 航天新长征大道科技有限公司 | Foreign matter online test method after a kind of cut based on machine vision |
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| CN107444712A (en) * | 2017-08-30 | 2017-12-08 | 红云红河烟草(集团)有限责任公司 | A kind of packer small box aluminum foil paper allowance detector and method |
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| CN110834981A (en) * | 2019-11-21 | 2020-02-25 | 成都忠信机电技术有限公司 | Bobbin paper splicing method and system |
| CN111084412A (en) * | 2019-11-28 | 2020-05-01 | 中国电子科技集团公司第四十一研究所 | Online detection device for fragrant line filter stick |
| CN111084412B (en) * | 2019-11-28 | 2022-02-25 | 中国电子科技集团公司第四十一研究所 | Online detection device for fragrant line filter stick |
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