CN204264528U - For transparent packaging material pull-up line defect detecting device - Google Patents
For transparent packaging material pull-up line defect detecting device Download PDFInfo
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- CN204264528U CN204264528U CN201420617495.8U CN201420617495U CN204264528U CN 204264528 U CN204264528 U CN 204264528U CN 201420617495 U CN201420617495 U CN 201420617495U CN 204264528 U CN204264528 U CN 204264528U
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- light source
- collection assembly
- image collection
- bracing wire
- led light
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Abstract
The utility model discloses a kind of for transparent packaging material pull-up line defect detecting device, comprise image collection assembly, controller, wherein image collection assembly is made up of industrial camera, LED light source, controller comprises industrial control board, micro controller system, industrial control board is connected with industrial camera communication in image collection assembly by image collection assembly communication interface, LED light source access control circuit for light source in image collection assembly, micro controller system is connected with the communication of outer packaging unit control housing by packaging machine set control cabinet communication interface.The utility model is for detecting the problem such as bracing wire disappearance, bracing wire skew that may occur in the transparent packaging material packaging process with bracing wire.Send to wrapping machine set control system when bracing wire existing defects being detected and reject signal, in relevant position, faulty goods is rejected by wrapping machine set control system.
Description
Technical field
The utility model relates to bracing wire defect detecting device field, specifically a kind of for transparent packaging material pull-up line defect detecting device.
Background technology
At present, on market, the packing box outer wrapping layer of transparent packing of a lot of commodity, can play certain sealing, moisture-proof role, take packaging apart for the ease of user, be pasted with the wide bracing wire of a treaty 2-3mm at the inside face of transparent packaging material.This with the transparent material packaging process of bracing wire in need quality of wire drawing detecting device is installed, bracing wire disappearance, bracing wire skew are detected.Existing detecting device is mainly used in the quality testing of opaque bracing wire, undertaken lacking and offseting judgement by the transceiver being arranged on bracing wire both sides opto-electronic pickup, when bracing wire is qualified, opaque bracing wire shelters from the light that projector is launched, the photodiode of receptor is in not on-state, exports as low level; When there is bracing wire disappearance or bracing wire skew, the light-emitting diode of receptor is in conducting state, exports as high level, judges that whether bracing wire is qualified like this by the outgoing level of receptor.
At present, on market, a lot of transparent packaging material have employed new process and has the water white transparency bracing wire of environmental-protecting performance, the detecting device of opto-electronic pickup is adopted cannot effectively reliably to detect bracing wire defect, often there is flase drop, detection leakage phenomenon, cause off-grade to come into the market, also reduce the work efficiency of packaging facilities simultaneously.
Along with the continuous maturation of machine vision technique, adopt machine vision technique to be feasible to the detection of bracing wire on transparent material, especially reliably can realize the quality testing of transparent wire stay.Industrial camera and light source can be used in the stay wire testing apparatus adopting machine vision technique, need have specific distance and angle with bracing wire to be detected when industrial camera and light source are installed, but also the clean of industrial camera camera lens will be ensured.The Installation and Debugging efficiency of industrial camera and light source is lower, and is difficult to the accuracy ensureing angle and position.
utility model contentthe purpose of this utility model is to provide a kind of for transparent packaging material pull-up line defect detecting device, detects the problem such as bracing wire disappearance, bracing wire skew defect that may occur in packaging process, avoid faulty goods to come into the market to solve prior art.
In order to achieve the above object, the technical scheme that the utility model adopts is:
For transparent packaging material pull-up line defect detecting device, it is characterized in that: comprise image collection assembly, controller, wherein:
Image collection assembly is made up of industrial camera, LED light source, and the optical frames of industrial camera gathers bracing wire image to be detected, and LED light source emergent light is projected to bracing wire to be detected simultaneously;
Controller comprises industrial control board, micro controller system, industrial control board has access to image collection assembly communication interface, read-out, micro controller system has access to control circuit for light source, packaging machine set control cabinet communication interface, described industrial control board is connected with industrial camera communication in image collection assembly by image collection assembly communication interface, LED light source access control circuit for light source in image collection assembly, described micro controller system is connected with the communication of outer packaging unit control housing by packaging machine set control cabinet communication interface;
Single-chip Controlling control circuit for light source provides constant current source to LED light source, LED light source constant current source drive under to bracing wire throw light to be detected, industrial camera gathers the image of bracing wire to be detected under light, and the image of the bracing wire to be detected collected is sent to industrial control board by image collection assembly communication interface, the bracing wire image to be detected that industrial camera collects by industrial control board carries out gray processing successively, vertical projection, filtering process, then template matches is carried out with the data for projection after process and the data for projection being pre-stored in template in industrial control board (namely template is the model that the bracing wire in qualified image to be detected generates), calculate a best match position and matching factor, then industrial control board is according to the best match position calculated and matching factor, judge bracing wire to be detected whether existing defects, if existing defects industrial control board is to micro controller system transmission processing result, externally pack machine set control cabinet by micro controller system by packaging machine set control cabinet communication interface and send defect bracing wire rejecting signal.
Described for transparent packaging material pull-up line defect detecting device, it is characterized in that: described image collection assembly includes the rectangular case of open top, housing right sidewall front portion has window, in window, clear glass is installed, housing right sidewall rear portion is encircleed to the right and formation protrusion, and protrusion front side wall is set to the skew wall of inclination, also have window in skew wall and also clear glass be installed in skew wall window, camera mounting bracket is provided with in described housing, camera mounting bracket front portion is provided with industrial camera, and the camera lens of industrial camera is just to the clear glass of housing right sidewall front portion, camera mounting bracket rear portion bends and extends in housing protrusion, and camera mounting bracket rear portion is provided with supporting seat, supporting seat is provided with LED light source, and LED light source is just to the clear glass in skew wall on front side of protrusion, supporting seat is also provided with the lens on front side of LED light source and protrusion between skew wall clear glass in light path, on the left of described housing, sidewall is provided with cable socket, described industrial camera, LED light source is connected with cable socket respectively by cable, described image collection assembly communication interface, control circuit for light source is connected with cable socket respectively.
The beneficial effects of the utility model are:
1, machine vision technique is adopted than traditional opto-electronic pickup more flexibly, intuitively.
2, machine vision technique is the technology of a comparative maturity, the image processing algorithm used in the utility model is all the algorithms most in use of field of machine vision maturation, all contain these algorithms in various commercialization or the machine vision function library of increasing income, developer can directly call.
3, the utility model can be used for the transparent packaging material defects detection of the various band bracing wires used in the market, has both avoided faulty goods and has come into the market and additionally reduce the work capacity of staff.In addition, owing to have employed machine vision technique, and with touch-screen, operating personal operation is more directly perceived, convenient.
Accompanying drawing explanation
Fig. 1 is the utility model apparatus structure block diagram.
Fig. 2 is the utility model image collection assembly structure birds-eye view.
Fig. 3 is utility model works diagram of circuit.
Detailed description of the invention
As shown in Figure 1.For transparent packaging material pull-up line defect detecting device, comprise image collection assembly, controller, wherein:
Image collection assembly is made up of industrial camera, LED light source, and the optical frames of industrial camera gathers bracing wire image to be detected, and LED light source emergent light is projected to bracing wire to be detected simultaneously;
Controller comprises industrial control board, micro controller system, industrial control board has access to image collection assembly communication interface, read-out, micro controller system has access to control circuit for light source, packaging machine set control cabinet communication interface, industrial control board is connected with industrial camera communication in image collection assembly by image collection assembly communication interface, LED light source access control circuit for light source in image collection assembly, micro controller system is connected with the communication of outer packaging unit control housing by packaging machine set control cabinet communication interface;
As shown in Figure 3.Single-chip Controlling control circuit for light source provides constant current source to LED light source, LED light source constant current source drive under to bracing wire throw light to be detected, industrial camera gathers the image of bracing wire to be detected under light, and the image of the bracing wire to be detected collected is sent to industrial control board by image collection assembly communication interface, the bracing wire image to be detected that industrial camera collects by industrial control board carries out gray processing successively, vertical projection, filtering process, then template matches is carried out with the data for projection after process and the data for projection being pre-stored in template in industrial control board (namely template is the model that the bracing wire in qualified image to be detected generates), calculate a best match position and matching factor, then industrial control board is according to the best match position calculated and matching factor, judge bracing wire to be detected whether existing defects, if existing defects industrial control board is to micro controller system transmission processing result, externally pack machine set control cabinet by micro controller system by packaging machine set control cabinet communication interface and send associated disadvantages bracing wire rejecting signal.
As shown in Figure 2.Image collection assembly includes the rectangular case 1 of open top, housing 1 right sidewall front portion has window, clear glass 2 is installed in window, housing 1 right sidewall rear portion is encircleed to the right and formation protrusion 3, and protrusion 3 front side wall is set to the skew wall of inclination, also have window in skew wall and in skew wall window, clear glass 4 be also installed, camera mounting bracket 5 is provided with in housing 1, camera mounting bracket 5 front portion is provided with industrial camera 6, and the camera lens of industrial camera 6 is just to the clear glass 2 of housing 1 right sidewall front portion, camera mounting bracket 5 rear portion bends and extends in housing 1 protrusion 3, and camera mounting bracket 5 rear portion is provided with supporting seat 8, supporting seat 8 is provided with LED light source 9, and LED light source 9 is just to the clear glass 7 in skew wall on front side of protrusion, supporting seat 8 is also provided with the lens 10 between skew wall clear glass in light path on front side of LED light source 9 and protrusion 3, on the left of housing 1, sidewall is provided with cable socket 7, industrial camera 6, LED light source 9 is connected with cable socket 7 respectively by cable, image collection assembly communication interface, control circuit for light source is connected with cable socket 7 respectively.
In the utility model, industrial control board is used for the operation of operating system and upper computer software.Micro controller system is responsible for performing the control command of upper computer software, comprise light source control, with wrapping machine set control system communication etc.Image collection assembly communication interface is for connecting image collection assembly, and the picture of shooting to be sent to the industrial control board in controller by industrial camera by this interface.Packing machine control system communication interface is used for micro controller system and sends rejecting signal to wrapping machine set control system.Control circuit for light source provides constant current source for LED.LVDS display interface is used for the connection of industrial control board and color LCD screen.Touch screen interface is used for the connection of industrial control board and touch-screen.Operator can check the relevant information of system cloud gray model by liquid crystal display, and is arranged the correlation parameter of system by touch-screen.
In the utility model, the bracing wire image that first industrial camera photographs by the image processing program in the utility model carries out the process such as gray processing, vertical projection, filtering successively, then carry out template matches with the data for projection of the data for projection after process and template, calculate a best match position and matching factor.Gray processing is that the bracing wire RGB image in order to be photographed by industrial camera is converted to single pass GRAY image, improves follow-up processing speed; Vertical projection is in order to two dimensional image is done projective transformation, is the data characteristics of the one-dimensional space by the Feature Conversion of bracing wire in image, is beneficial to follow-up fast Template Matching; Filtering is some interfering datas in order to eliminate in data for projection, ensures the accuracy of follow-up template matches; Calculating the best match position of detected image data for projection and template data for projection and matching factor is to judge bracing wire whether existing defects.
In the utility model, camera lens is fixed on industrial camera 6.By camera mounting bracket 5, industrial camera 6 is fixed on image collection assembly housing 1.Cable socket 7 is connected respectively by cable with LED light source 9, industrial camera 6.Lens 10 are by adhesives on supporting seat 8, and LED light source 9 is arranged in supporting seat 8, is then fixed on camera mounting bracket 5 with pressing plate 11.
The utility model relates to a kind of transparent packaging material pull-up line defect detecting device based on machine vision technique, the defect problem such as bracing wire disappearance, skew that the bracing wire for detecting on transparent packaging material may occur in packaging process.Can be used for a large amount of wrapping machine used with bracing wire in the market, both avoided faulty goods and come into the market and additionally reduce the work capacity of staff.Form primarily of the external equipment such as image collection assembly, controller.Wherein, comprise an industrial control board, interface board, the color LCD screen of a band touch-screen and a motherboard in controller, in image collection assembly, comprise a CMOS industrial camera, optical lens, a collector lens and a LED light source.
Claims (2)
1., for transparent packaging material pull-up line defect detecting device, it is characterized in that: comprise image collection assembly, controller, wherein:
Image collection assembly is made up of industrial camera, LED light source, and the optical frames of industrial camera gathers bracing wire image to be detected, and LED light source emergent light is projected to bracing wire to be detected simultaneously;
Controller comprises industrial control board, micro controller system, industrial control board has access to image collection assembly communication interface, read-out, micro controller system has access to control circuit for light source, packaging machine set control cabinet communication interface, described industrial control board is connected with industrial camera communication in image collection assembly by image collection assembly communication interface, LED light source access control circuit for light source in image collection assembly, described micro controller system is connected with the communication of outer packaging unit control housing by packaging machine set control cabinet communication interface.
2. according to claim 1 for transparent packaging material pull-up line defect detecting device, it is characterized in that: described image collection assembly includes the rectangular case of open top, housing right sidewall front portion has window, in window, clear glass is installed, housing right sidewall rear portion is encircleed to the right and formation protrusion, and protrusion front side wall is set to the skew wall of inclination, also have window in skew wall and also clear glass be installed in skew wall window, camera mounting bracket is provided with in described housing, camera mounting bracket front portion is provided with industrial camera, and the camera lens of industrial camera is just to the clear glass of housing right sidewall front portion, camera mounting bracket rear portion bends and extends in housing protrusion, and camera mounting bracket rear portion is provided with supporting seat, supporting seat is provided with LED light source, and LED light source is just to the clear glass in skew wall on front side of protrusion, supporting seat is also provided with the lens on front side of LED light source and protrusion between skew wall clear glass in light path, on the left of described housing, sidewall is provided with cable socket, described industrial camera, LED light source is connected with cable socket respectively by cable, described image collection assembly communication interface, control circuit for light source is connected with cable socket respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617495.8U CN204264528U (en) | 2014-10-22 | 2014-10-22 | For transparent packaging material pull-up line defect detecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617495.8U CN204264528U (en) | 2014-10-22 | 2014-10-22 | For transparent packaging material pull-up line defect detecting device |
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| CN204264528U true CN204264528U (en) | 2015-04-15 |
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| CN201420617495.8U Expired - Fee Related CN204264528U (en) | 2014-10-22 | 2014-10-22 | For transparent packaging material pull-up line defect detecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296993A (en) * | 2019-06-18 | 2019-10-01 | 广东中烟工业有限责任公司 | A kind of packet appearance delection device and item packet appearance detection system |
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2014
- 2014-10-22 CN CN201420617495.8U patent/CN204264528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296993A (en) * | 2019-06-18 | 2019-10-01 | 广东中烟工业有限责任公司 | A kind of packet appearance delection device and item packet appearance detection system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20201022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |