CN217505690U - Film product detection device based on machine vision - Google Patents
Film product detection device based on machine vision Download PDFInfo
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- CN217505690U CN217505690U CN202220110632.3U CN202220110632U CN217505690U CN 217505690 U CN217505690 U CN 217505690U CN 202220110632 U CN202220110632 U CN 202220110632U CN 217505690 U CN217505690 U CN 217505690U
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Abstract
The utility model discloses a film class product detection device based on machine vision, including drive unit, visual detection unit, light source lighting unit, the control unit. Through the utility model discloses the position of each light source has been adjusted to the last adjusting module of device, under the effect of motor, the film rolling, the encoder of connection on the take-up reel triggers the industrial linear array camera of installing in the film top and obtains the film image, the image information who acquires gives the industrial computer through the ethernet, the industrial computer carries out image processing and data analysis, the analysis result sends the alarm lamp to through the switch board, if defect alarm lamp scintillation, the industrial computer records the kind and the positional information of defect simultaneously. The utility model discloses set up the visual detection that positive surface light source and back light source can adapt to different grade type film, through the position of selecting and adjusting the light source, obtain the clear image of film to realize the automated inspection of film.
Description
Technical Field
The utility model belongs to the technical field of the visual detection equipment and specifically relates to a film class product detection device based on machine vision.
Background
In the actual production process of the film, due to the influence of various factors, defects such as holes, mosquitoes, black spots, crystal spots, scratches, spots and the like appear on the surface of the film, which greatly affects the commercial value of the optical film, and also has certain influence on the service performance of the film, and the defects on the surface of the film can cause loss to users, even cause safety accidents. As a main means of optical film detection, the method has the defects of low manual detection speed, low precision, high cost and large error, and the defects limit the production of modern enterprises. The appearance of machine vision detection technology provides a simple and reliable method for detecting the online defects of the optical film. The machine vision replaces the artificial vision, so that the product detection efficiency can be improved, the production cost is reduced, the product quality is improved, and the labor intensity of quality inspection personnel is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome detection efficiency among the prior art low, detect the precision not high, intelligent and degree of automation low scheduling problem, the utility model aims to provide a film class product detection device based on machine vision sets up different light sources at the film periphery and is used for providing clear image, sets up a plurality of linear array cameras directly over the film for gather the image information of film in real time. Meanwhile, the acquired image information is transmitted to the industrial personal computer for processing, and finally the quality condition of the optical film is given by the industrial personal computer.
The technical problem to be solved by the invention is realized by adopting the following technical scheme.
The utility model provides a film class product detection device based on machine vision, includes transmission unit, visual detection unit, light source lighting unit, the control unit, its characterized in that: the transmission unit comprises a first roller and a second roller which are arranged on the left side of the rack through bearing seats, a first tensioning barrel and a second tensioning barrel which are arranged on the first support frame through the bearing seats, a third roller and a fourth roller which are arranged on the second support frame through the bearing seats, and a winding barrel arranged on the right side of the rack through the bearing seats, wherein after a film is produced, the film sequentially passes through the first roller, the second roller, the first tensioning barrel, the third roller, the fourth roller and the second tensioning barrel, and finally is wound through the winding barrel.
The visual detection unit comprises a linear array camera arranged on the second support.
The light source lighting unit comprises a back light source, a left front light source and a right front light source, the back light source is connected with a first sliding block through a first screw and a first fixing plate, the left side of the first sliding block is provided with a first adjusting knob, the height of the back light source is adjusted through the first adjusting knob, the first sliding block is connected with a first sliding rod, the first sliding rod is fixed on a fourth support through a first fixing screw, the left front light source is connected with a first adjusting frame through the first adjusting screw, the angle of the left front light source is adjusted through the first adjusting screw, the first adjusting frame is connected with a second sliding block through a screw, the left side of the second sliding block is provided with a second adjusting knob, the height of the left front light source is adjusted through the second adjusting knob, the second sliding block is connected with the second sliding rod, the second sliding rod is fixed on the first support through the second adjusting screw, and the right front light source is connected with the second adjusting frame through the second adjusting screw, the angle of the right front surface light source is adjusted through the adjusting screw II, the adjusting frame II is connected with the sliding block III through a screw, the adjusting knob III is arranged on the left side of the sliding block III, the height of the right front surface light source is adjusted through the adjusting knob III, the sliding block III is connected with the sliding rod III, and the sliding rod III is fixed on the support III through the fixing screw III.
The control unit comprises a motor, an encoder, an industrial personal computer and a control cabinet, wherein the motor is installed on the right side of the rack and connected with the winding drum, the encoder is connected with the left shaft of the winding drum, and the industrial personal computer is arranged on the control cabinet and located on the left side of the rack.
The industrial personal computer is respectively connected with the control cabinet, the linear array camera, the motor and the encoder.
The beneficial effects of the utility model are that, the utility model discloses film class product detection device simple structure, easily installation and dismantlement, can be very high-efficient and accurate discovery film surface's defect, the position of recording defect simultaneously reminds with reporting to the police, film class product defect detection's efficiency has been increased, the cost is reduced, this system can detect out film class product not equidimension and kind's defect accurately simultaneously, it has positive meaning to product production quality real time monitoring, kind and quantity through the analysis defect, can discover production technology or raw and other materials problem pertinence, through timely adjustment, improve optical film's qualification rate, reduce enterprise's production and maintenance cost, improve the performance of enterprises. Additionally, the utility model discloses adjustable form is set to light source equipment among the film class product detection device, and the flexibility is very big, can clearly shoot the image of film class product according to actual conditions, can avoid film class product defect's hourglass to examine by the at utmost.
Drawings
Fig. 1 is a flowchart of a visual inspection method of an apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic diagram of the overall structure of the present invention;
fig. 3 is a schematic view of a back light source according to the present invention;
fig. 4 is a schematic view of a left front surface light source of the present invention;
fig. 5 is a schematic view of a right front surface light source according to the present invention;
reference numbers in the figures:
1. a frame, 2, a control cabinet, 3 and an industrial personal computer,
4. a warning lamp 5, a film 6 and a motor,
7. an encoder 8, a first bracket, a second bracket, a 9,
10. bracket III
11. A first roller 12, a second roller 13, a first tensioning roller,
14. a third roller 15, a fourth roller 16, a second tensioning roller,
17. a winding drum 18, a support frame four, a support frame 19 and a support frame one,
20. a second support frame is arranged on the second support frame,
21. a back light source 22, a first fixing plate 23, a first screw,
24. a first slide block 25, a first adjusting knob 26, a first slide rod,
27. a first screw is fixed on the first screw rod,
31. a left front light source 32, a first adjusting frame 33, a first adjusting screw,
34. a second sliding block 35, a second adjusting knob 36, a second sliding rod,
37. a second fixing screw is fixed on the second fixing screw,
41. a right front light source 42, a second adjusting bracket 43, a second adjusting screw,
44. a third sliding block 45, a third adjusting knob 46, a third sliding rod,
47. fixing screw III
60. A line-scan camera, a digital camera,
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below by combining the specific embodiments and the drawings.
[ example 1 ]
The utility model provides a film class product detection device based on machine vision, includes drive unit, visual detection unit, light source lighting unit, the control unit, its characterized in that: the transmission unit comprises a first roller 11 and a second roller 12 which are installed on the left side of the machine frame 1 through bearing seats, a first tensioning roller 13 and a second tensioning roller 16 which are installed on a first support frame 19 through the bearing seats, a third roller 14 and a fourth roller 15 which are installed on a second support frame 20 through the bearing seats, a winding drum 17 which is installed on the right side of the machine frame 1 through the bearing seats, and a film 5 is produced and then sequentially passes through the first roller 11, the second roller 12, the first tensioning roller 13, the third roller 14, the fourth roller 15 and the second tensioning drum 16, and is finally wound through the winding drum 17.
The visual inspection unit comprises a line camera 60 mounted on a second bracket 9.
The light source lighting unit comprises a back light source 21, a left front light source 31 and a right front light source 41, the back light source 21 is connected with a first sliding block 24 through a first screw 23 and a first fixing plate 22, the left side of the first sliding block 24 is provided with a first adjusting knob 25, the height of the back light source 21 is adjusted through the first adjusting knob 25, the first sliding block 24 is connected with a first sliding rod 26, the first sliding rod 26 is fixed on a fourth support 18 through a first fixing screw 27, the left front light source 31 is connected with a first adjusting frame 32 through a first adjusting screw 33, the angle of the left front light source 31 is adjusted through the first adjusting screw 33, the first adjusting frame 32 is connected with a second sliding block 34 through a screw, the left side of the second sliding block 34 is provided with a second adjusting knob 35, the height of the left front light source 31 is adjusted through the second adjusting knob 35, the second sliding block 34 is connected with a second sliding rod 36, and the second sliding rod 36 is fixed on a first support 8 through a second fixing screw 37, the right front light source 41 is connected with the second adjusting frame 42 through the second adjusting screw 43, the angle of the right front light source 41 is adjusted through the second adjusting screw 43, the second adjusting frame 42 is connected with the third sliding block 44 through a screw, the left side of the third sliding block 44 is provided with the third adjusting knob 45, the height of the right front light source 41 is adjusted through the third adjusting knob 45, the third sliding block 44 is connected with the third sliding rod 46, and the third sliding rod 46 is fixed on the third support 10 through the third fixing screw 47.
The control unit include motor 6, encoder 7, industrial computer 3 and switch board 2, motor 6 install and link to each other with winding drum 17 on 1 right side of frame, encoder 7 and the left side axle of winding drum 17 link to each other, industrial computer 3 arrange in on the switch board 2, be located the left side of frame 1.
The industrial personal computer 3 is respectively connected with the control cabinet 2, the linear array camera 60, the motor 6 and the encoder 7.
[ example 2 ]
The left front light source 31 and the right front light source 41 are arranged on the first support 8 and the third support 10, the back light source 21 is arranged on the fourth support 18, light sources in different combinations can be selected according to actual requirements, and meanwhile, the linear array camera 60 can obtain clear images by adjusting the irradiation range of the light sources.
[ example 3 ]
The motor 6 drives the whole film to move, the motor 6 is connected with the encoder 7, and the encoder 7 is connected with an interface of the linear array camera 60 in the winding process of the film 5 so as to control the linear array camera 60 to acquire images. The acquired image information is transmitted to the industrial personal computer 3 through the Ethernet, the industrial personal computer 3 performs image processing and data analysis, the analysis result is transmitted to the alarm lamp 4 through the control cabinet 2, and if the alarm lamp 4 with defects flickers, the industrial personal computer 3 records the types and the position information of the defects.
In the present embodiment, the number of line cameras 60 is determined by the width of the film 5, and the number of line cameras 60 can be increased or decreased appropriately.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a film class product detection device based on machine vision, includes drive unit, visual detection unit, light source lighting unit, the control unit, its characterized in that: the transmission unit comprises a first roller and a second roller which are installed on the left side of the rack through bearing seats, a first tensioning cylinder and a second tensioning cylinder which are installed on the first support frame through the bearing seats, a third roller and a fourth roller which are installed on the second support frame through the bearing seats, and a winding cylinder which is installed on the right side of the rack through the bearing seats.
2. The machine vision-based film product inspection device of claim 1, wherein: the visual detection unit comprises a linear array camera arranged on the second support.
3. A machine vision based inspection device for film-like products, as defined in claim 1, wherein: the light source lighting unit comprises a back light source, a left front light source and a right front light source, the back light source is connected with a first sliding block through a first screw and a first fixing plate, the left side of the first sliding block is provided with a first adjusting knob, the height of the back light source is adjusted through the first adjusting knob, the first sliding block is connected with a first sliding rod, the first sliding rod is fixed on a fourth support through a first fixing screw, the left front light source is connected with a first adjusting frame through the first adjusting screw, the angle of the left front light source is adjusted through the first adjusting screw, the first adjusting frame is connected with a second sliding block through a screw, the left side of the second sliding block is provided with a second adjusting knob, the height of the left front light source is adjusted through the second adjusting knob, the second sliding block is connected with the second sliding rod, the second sliding rod is fixed on the first support through the second adjusting screw, and the right front light source is connected with the second adjusting frame through the second adjusting screw, the angle of the right front surface light source is adjusted through the adjusting screw II, the adjusting frame II is connected with the sliding block III through a screw, the adjusting knob III is arranged on the left side of the sliding block III, the height of the right front surface light source is adjusted through the adjusting knob III, the sliding block III is connected with the sliding rod III, and the sliding rod III is fixed on the support III through the fixing screw III.
4. A machine vision based inspection device for film-like products, as defined in claim 1, wherein: the control unit comprises a motor, an encoder, an industrial personal computer and a control cabinet, wherein the motor is installed on the right side of the rack and connected with the winding drum, the encoder is connected with the left shaft of the winding drum, and the industrial personal computer is arranged on the control cabinet and located on the left side of the rack.
5. The machine vision-based film product inspection device of claim 4, wherein: the industrial personal computer is respectively connected with the control cabinet, the linear array camera, the motor and the encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220110632.3U CN217505690U (en) | 2022-01-17 | 2022-01-17 | Film product detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220110632.3U CN217505690U (en) | 2022-01-17 | 2022-01-17 | Film product detection device based on machine vision |
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| CN217505690U true CN217505690U (en) | 2022-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220110632.3U Active CN217505690U (en) | 2022-01-17 | 2022-01-17 | Film product detection device based on machine vision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147544A (en) * | 2023-04-03 | 2023-05-23 | 广东汇发塑业科技有限公司 | Plastic film surface flatness detection device |
| CN116533634A (en) * | 2023-07-07 | 2023-08-04 | 常州天策电子科技有限公司 | Full-automatic screen printing detecting system for film sensor preparation |
-
2022
- 2022-01-17 CN CN202220110632.3U patent/CN217505690U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147544A (en) * | 2023-04-03 | 2023-05-23 | 广东汇发塑业科技有限公司 | Plastic film surface flatness detection device |
| CN116147544B (en) * | 2023-04-03 | 2023-09-29 | 广东汇发塑业科技有限公司 | Plastic film surface flatness detection device |
| CN116533634A (en) * | 2023-07-07 | 2023-08-04 | 常州天策电子科技有限公司 | Full-automatic screen printing detecting system for film sensor preparation |
| CN116533634B (en) * | 2023-07-07 | 2023-09-01 | 常州天策电子科技有限公司 | Full-automatic screen printing detecting system for film sensor preparation |
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