CN114166856A - Fixed fretwork pattern thin metal product quality on-line measuring device - Google Patents
Fixed fretwork pattern thin metal product quality on-line measuring device Download PDFInfo
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- CN114166856A CN114166856A CN202111578824.3A CN202111578824A CN114166856A CN 114166856 A CN114166856 A CN 114166856A CN 202111578824 A CN202111578824 A CN 202111578824A CN 114166856 A CN114166856 A CN 114166856A
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- 238000004891 communication Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 25
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/0099—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor comprising robots or similar manipulators
Abstract
The invention discloses a device for detecting the quality of a fixed hollow pattern thin metal product on line, which comprises a detector input conveyor belt, a detector output conveyor belt, a motor, a light source, an image-taking darkroom, a linear array camera module, a controller, a mobile marking device and a wireless communication module, wherein the detector input conveyor belt is connected with the detector output conveyor belt; the detector output conveyor belt is arranged right in front of the running direction of the detector input conveyor belt, a lighting opening is reserved between the detector input conveyor belt and the detector output conveyor belt, a light source is arranged below the lighting opening, the image taking darkroom is arranged above the lighting opening, the linear array camera module is fixed in the image taking darkroom, and the detector output conveyor belt is provided with a movable marking device along the front of the moving direction for marking defects. The invention has the innovation points that the production data are stored in real time, the digital product data can be provided, the data such as the product quantity, the qualification rate and the like can be provided for the management system, the production data management is supported, and the human resources and the site resources are saved.
Description
Technical Field
The invention belongs to the technical field of intelligent detection, relates to an online quality detection device for a metal sheet product, and particularly relates to an online quality detection device for a fixed hollow pattern thin metal product.
Background
Modern manufacturing industry tends to the characteristics of multiple varieties and small batch, the flexible requirement on production in the field of thin plate processing is higher and higher, and the quality detection of workpieces in the production process is very important. The metal sheet product is a production line which is connected with a conveyor belt, and fixed patterns are hollowed out on the metal sheet after the metal sheet product is processed by equipment. Sheet metal products having a thickness of less than 0.5mm (area greater than 10x10mm) can unexpectedly develop defects having a diameter of less than 0.5mm during the manufacturing process, and products with such defects must be marked for subsequent processing.
The current detection method is human eye identification under the condition of a back projection light source, and as the diameters of most defects are about 0.1mm, many missed detections can be generated due to human eye fatigue and insufficient human eye identification precision, and the delivery quality of products is influenced. When the manual detection is carried out, manual resources and field resources are occupied. It is not easy to perform datamation management.
Compared with the prior art, the machine vision detection technology has the advantages of non-contact, high speed, high precision, strong anti-interference capability and the like, is widely applied to the fields of product quality detection and the like at present, provides an effective solution for solving the problem of automatic measurement of products, can send out warning information in time when detecting defects, avoids the generation of batch waste products, and is favorable for improving the production efficiency and the automation level of a production line.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the technical scheme that: an on-line detection device for the quality of a fixed hollow pattern thin metal product comprises a detector input conveyor belt, a detector output conveyor belt, a motor, a light source, an image capture darkroom, a linear array camera module, a controller and a wireless communication module; the detector output conveyor belt is arranged right in front of the running direction of the detector input conveyor belt, an irradiation port is reserved between the detector input conveyor belt and the detector output conveyor belt, the heights of the surfaces of the detector input conveyor belt and the detector output conveyor belt are consistent, and the detector input conveyor belt and the detector output conveyor belt are connected with the motor and run in the same direction and at the same speed; a light source is arranged below the irradiation port, the light source is a plane uniform light source, the light source irradiates upwards, and the widths of the light source, the detector input conveyor belt and the detector output conveyor belt are the same; the image capturing darkroom is arranged above the irradiation port, the shell of the image capturing darkroom is made of light-tight materials, the lower part of the image capturing darkroom is close to the input conveyor belt and the output conveyor belt of the detector in an acceptable range to the maximum extent, the width of the image capturing darkroom is not smaller than a product to be detected, and the length of the image capturing darkroom is not smaller than the irradiation port; the linear array camera module is fixed in the image capturing darkroom, and a lens faces downwards; the detector output conveyor belt is provided with a movable marking device in front of the moving direction for marking defects; the controller is connected with the linear array camera module, the mobile marking equipment and the wireless communication module.
Furthermore, the mobile marking equipment comprises a precise lead screw and a positioning code spraying machine, the effective moving range of the precise lead screw is larger than the width of the output conveyor belt of the detector, the precise lead screw further comprises a lead screw controller, a lead screw positioner and a sliding block, the lead screw controller is connected with the lead screw positioner and the sliding block, the lead screw controller controls the sliding block to move, the lead screw positioner is used for positioning the position of the sliding block, and the positioning code spraying machine is mounted on the sliding block and used for marking defects; the controller is connected with the lead screw controller and the positioning code spraying machine.
Furthermore, a plurality of positioning code spraying machines are arranged on the output conveyor belt of the detector side by side and used for marking a plurality of defects of the same product to be detected.
Furthermore, the mobile marking equipment comprises a precise lead screw and a robot hand, the effective moving range of the robot hand is larger than the width of the output conveyor belt of the detector, the precise lead screw further comprises a lead screw controller, a lead screw positioner and a slide block, the lead screw controller is connected with the lead screw positioner and the slide block, the lead screw controller controls the slide block to move, the lead screw positioner is used for fixing the position of the slide block, and the robot hand is mounted on the slide block and used for grabbing a product to be detected with defects; the controller is connected with the lead screw controller and the robot hand.
Furthermore, a plurality of robots are arranged on the detector output conveyor belt side by side and used for grabbing a plurality of products to be detected with defects, which are detected simultaneously.
And the device further comprises a conveyor belt bracket, wherein the detector input conveyor belt, the detector output conveyor belt, the light source, the two side edges of the image capture darkroom and the mobile marking equipment are all arranged on the conveyor belt bracket.
Furthermore, get for instance darkroom lower extreme edge outside horizontal extension and go out the shading eaves, the shading eaves with detector input conveyer belt and detector output conveyer belt are parallel, shading eaves length at the maximum extension of acceptable within range.
Further, the line camera module also comprises an image sensor, photosensitive pixels of the image sensor are only one line, and a minimum of 4096 pixels are used for obtaining a high-definition high-resolution image through scanning.
Further, the light source also comprises a light source controller, wherein the light source controller is connected with the controller and used for adjusting the light source irradiation brightness and the switch.
Furthermore, the system also comprises a visual operation screen which is connected with the controller through a wireless communication module.
The invention has the beneficial effects that:
(1) the invention is matched with a production line for use, and is a technical extension of the original production line.
(2) The image recognition technology ensures the detection precision of more than 99 percent, improves the quality and the quantity of products, effectively eliminates the missing detection and improves the product quality.
(3) The invention saves the occupied area of the original offline manual detection, saves a large amount of labor, reduces the product cost and saves human resources and field resources.
(4) The invention stores the production data in real time, can provide digital product data, can provide data such as product quantity, qualification rate and the like for a management system, and supports production data management.
(5) The invention can be connected with the downstream production line in an intelligent upgrading and direct communication way, and the reliable imaging of the defects is ensured by automatic light source adjustment.
Drawings
In order to better express the technical scheme of the invention, the following drawings are used for explaining the invention:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
the reference numbers illustrate: 1. a product to be tested; 11. a direction of travel; 2. a production line; 3. a production line output conveyor belt; 4. the production line output conveyor belt is connected with the detector input conveyor belt through a gap; 5. a detector input conveyor belt; 6. a light source; 7. a detector output conveyor belt; 8. taking an image in a darkroom; 9. taking a picture of a darkroom shell; 10. a line camera module; 11. a controller; 12. positioning an ink-jet printer; 13. a lead screw positioner; 14. a lead screw controller; 15. an irradiation port; 16. a shading brim; 17. a material inlet of a darkroom.
Detailed Description
The present invention will be described and explained more fully hereinafter with reference to the accompanying drawings, in which a better understanding of the invention may be obtained by those skilled in the art.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention relates to an online defect detection device which is connected with a production line 2. The invention adopts the linear array photoelectric image scanning technology to obtain continuous images on the detector input conveyor belt 5 and the detector output conveyor belt 7, then adopts the software image processing and identifying technology to identify the defects, calculates the positioning coordinates relative to the edge coordinates and the movement speed of the detector output conveyor belt 7, and sends the positioning coordinates to the rear mobile marking equipment positioning information. The length of the invention is defined as the dimension along the direction of belt travel and the width is defined as the dimension on the same horizontal plane, perpendicular to the direction of belt travel.
In the embodiment, referring to fig. 1, an on-line detection device for quality of a fixed hollow-out pattern thin metal product comprises a detector input conveyor belt 5, a detector output conveyor belt 7, a motor, a light source 6, an image capture darkroom 8, a linear array camera module 10, a controller 11, a wireless communication module, a conveyor belt bracket and a visual operation screen; the detector output conveyor belt 7 and the detector input conveyor belt 5 run along the conveyor belt running direction 11 at the same time, the detector output conveyor belt 7 is installed right ahead of the detector input conveyor belt 5 in the running direction, an irradiation port 15 is reserved between the detector input conveyor belt 5 and the detector output conveyor belt 7, the detector input conveyor belt 5 and the detector output conveyor belt 7 are identical in surface height, are connected with the same motor, and run at the same speed; a light source 6 and a light source controller are arranged under the irradiation port 15, the light source 6 is a plane uniform light source, the light source 6 irradiates upwards, the widths of the light source 6, the detector input conveyor belt 5 and the detector output conveyor belt 7 are the same, and the light source controller is connected with the controller 11 and adjusts the irradiation brightness and the on-off of the light source 6.
An image taking darkroom 8 is arranged above the irradiation port 16, an image taking darkroom shell 9 is made of light-tight material, the lower part of the image taking darkroom 8 is close to the detector input conveyor belt 5 and the detector output conveyor belt 7 in an acceptable range to the maximum extent, a space for a product to be detected to pass is reserved between the lower part of the image taking darkroom 8 and the detector input conveyor belt 5 and the detector output conveyor belt 7, and a space inlet is a darkroom material inlet 17; the width of the image-taking darkroom 8 is not less than the product 1 to be measured, the length of the image-taking darkroom 8 is not less than the illumination opening 15, and the length of the image-taking darkroom 8 is designed according to the size of the product 1 to be measured. The line camera module 10 is fixed in the image-taking darkroom 8 with the lens facing downwards; the lower end edge of the image capturing darkroom 8 transversely extends outwards to form a shading eave 16, the shading eave 16 is arranged right above the detector input conveyor belt 5 and the detector output conveyor belt 7 and is parallel to the detector input conveyor belt 5 and the detector output conveyor belt 7, and the length of the shading eave 16 is prolonged to the maximum extent within an acceptable range, so that the light leakage of the image capturing darkroom 8 is as small as possible. The line camera module 10 also includes an image sensor having only one row of sensitive pixels, using a minimum of 4096 pixels, which produces a high definition, high resolution image by scanning.
The general camera is a plane camera, that is, the photosites are on a plane, the number of pixels is 16, so if the pixels are 1024 × 1024, that is, 100 ten thousand pixels, the lens projects the image on the plane, and one exposure is formed. If pixel 2048 x 2048 is replaced, the resolution is higher, looking more carefully. The linear array camera module 10 used in the scanner of this embodiment is a linear array CCD camera, i.e. the light sensing points are on a line, and each exposure is a line, if the object to be photographed moves at a uniform speed in the same direction, and multiple images are formed by multiple exposures, which together form one image. The linear array CCD camera has the advantages that 4096, 8192 and 16384 and more pixels can be distributed on one line, so that the resolution is high along the line direction, smaller objects can be seen at the same distance, the total pixels of one frame of image are not large, and the signal processing is convenient. The defects in the present invention are holes having a small diameter, and therefore, it is required to have a high resolution, and to run on the probe entrance conveyor 5 and the probe exit conveyor 7, small holes can be found continuously without repetition as long as one piece is recognized. If a planar camera is used, there will be an overlap of the front and back 2 frame image shots, the exact location of the pinhole will not be separated by the overlap, and the resolution of the planar camera along the individual directions will not be sufficient.
The detector output conveyer belt 7 is along the installation removal marking device in moving direction the place ahead, remove marking device includes accurate lead screw and location ink jet numbering machine 12, the effective moving range of accurate lead screw is greater than the width of detector output conveyer belt 7, accurate lead screw still includes lead screw controller 14, lead screw locator 13 and slider, controller 11 connects lead screw controller 14, lead screw controller 14 connects lead screw locator 13 and slider, lead screw controller 14 control slider removes, lead screw locator 13 is used for fixing a position the slider position, installation location ink jet numbering machine 12 on the slider, controller 11 connects location ink jet numbering machine 12, be used for marking the fault. The detector input conveyor belt 5, the detector output conveyor belt 7, the light source 6, two side edges of the image-taking darkroom 8 and the mobile marking device are all arranged on the conveyor belt bracket. The controller 11 is also connected with the linear array camera module 10 and the wireless communication module. The controller 11 is connected with the visual operation screen through a wireless communication module.
The difference between the second embodiment and the first embodiment is that a plurality of positioning code spraying machines 12 are arranged on the detector output conveyor belt 7 side by side and are used for marking a plurality of defects of the same product to be detected.
The difference between the third embodiment and the first embodiment is that the mobile marking equipment comprises a precise lead screw and a robot hand, the effective moving range of the robot hand is larger than the width of the detector output conveyor belt 7, the precise lead screw further comprises a lead screw controller 14, a lead screw positioner 13 and a sliding block, the lead screw controller 14 is connected with the lead screw positioner 13 and the sliding block, the lead screw controller 14 controls the sliding block to move, the lead screw positioner 13 is used for fixing the position of the sliding block, and the robot hand is mounted on the sliding block and used for grabbing the product 1 to be detected with the defects; the controller 11 is connected with a lead screw controller 14.
The difference between the fourth embodiment and the first embodiment is that a plurality of robots are arranged side by side on the detector output conveyor belt 7 for picking up a plurality of defective products 1 to be tested which are simultaneously tested.
The principle of the invention is as follows: the image-taking darkroom 8 is matched with the light source 6 for transmission, so that the image definition of the defects can be particularly enhanced, the sensitivity of defect identification is improved by adopting the linear array camera module 10 with higher pixels, and the linear array camera module 10 adopts a black and white camera. The scanned image is formed by moving the product 1 (i.e., the foil) to be measured sequentially through the detector input conveyor 5 and the detector output conveyor 7. The brightness of the light source 6 is adjustable, the brightness adjustment is adjusted according to the hollowed proportion of the product 1 to be detected, and if the average brightness of the transmitted light image is within the range of clear imaging, the imaging of the defects is not facilitated by too low brightness and too high brightness. The image processing technique includes: carrying out sharpening pretreatment on an image; finding out a special positioning point on the product 1 to be detected; after coordinate transformation, pixel level difference operation is directly carried out on the transformed coordinate and the stored sample, whether a different point (namely a defect) exists or not is judged, if no different point exists, the product is qualified, and if only one different point exists, the product is judged to be unqualified; if the position is judged to be unqualified, coordinate operation of the different points relative to the position of the positioning inkjet printer 12 is carried out, and the marking operation is controlled; a robot hand may also be used for the grasping operation. The speed of the detector input conveyor belt 5 and the detector output conveyor belt 7 is slightly higher than that of the production line output conveyor belt 3, so that the products 1 to be detected are prevented from being accumulated.
The detector input conveyor belt 5 and the detector output conveyor belt 7 use the same motor as a driving mechanism to keep the speeds consistent. The distance from the line camera module 10 to the positioning inkjet printer 12 is required to ensure the calculation time of the controller and the time for the precise screw to run in place, and a speed regulation range is required. The width of the light source 6 and the length of the light opening 15 (dimension in the direction of travel 11 of the conveyor) do not exceed one third of the length of the product 1 to be measured, generally speaking, the length of the light opening is designed to be not more than 5cm, and the length of the light source 6 is designed to be at least 2 cm, so as to form a theoretically plane uniform light source 6.
The using method comprises the following steps: after moving out of the production line output conveyor belt 3, the product 1 to be detected on the detector input conveyor belt 5 and the detector output conveyor belt 7 is directly conveyed to the detector input conveyor belt 5 of the device through the connecting gap 4 between the production line output conveyor belt 3 and the detector input conveyor belt 5, and then enters a measuring section. The brightness of the plane light emitted by the light source 6 is uniform, the brightness is adjustable, the color is adjustable, white light is the first choice in detection, and the product 1 to be detected passes through the light source 6 and the hollow part forms a transmission light image. When the product 1 to be measured moves to the irradiation port 15 through the conveyor belt, the line camera module 10 above the light source 6 scans the light image to obtain an electrical image signal, and the electrical image signal is sent to the controller 11 for processing and identification. After the controller 11 identifies the defect, the coordinates of the position of the spray mark are calculated according to the running speed of the detector output conveyor belt 7, and two coordinates need to be located, namely the ordinate along the width direction of the detector output conveyor belt 7 and the abscissa along the advancing direction 11 of the detector output conveyor belt 7. The controller 11 transmits the information of the abscissa and the ordinate to the lead screw controller 14, the lead screw controller 14 controls the lead screw positioner 13 to position the positioning slide block to move to the position of the ordinate, the lead screw controller 14 controls the precision lead screw to move along the advancing direction 11 at the same time, and after the positioning is finished, the controller 11 sends an instruction to the positioning code spraying machine 12 or a robot hand to finish the positioning code spraying process or the grabbing process. The distance between the positioning code spraying machine 12 and the robot hand and the output conveyor belt 7 of the detector is as close as possible, and the code spraying or grabbing process is matched. Meanwhile, the controller 11 stores the production and detection data in a database, and if a communication request exists, the production and detection data exchange with a management system according to a communication protocol. All the parts used in the invention are general purchasable parts.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An on-line detection device for the quality of a fixed hollow-out pattern thin metal product is characterized by comprising a detector input conveyor belt, a detector output conveyor belt, a motor, a light source, an image-taking darkroom, a linear array camera module, a precise screw rod, an ink-jet printer, a controller and a wireless communication module; the detector output conveyor belt is arranged right in front of the running direction of the detector input conveyor belt, an irradiation port is reserved between the detector input conveyor belt and the detector output conveyor belt, the heights of the surfaces of the detector input conveyor belt and the detector output conveyor belt are consistent, and the detector input conveyor belt and the detector output conveyor belt are connected with the motor and run in the same direction and at the same speed; a light source is arranged below the irradiation port, the light source is a plane uniform light source, the light source irradiates upwards, and the widths of the light source, the detector input conveyor belt and the detector output conveyor belt are the same; the image capturing darkroom is arranged above the irradiation port, the shell of the image capturing darkroom is made of light-tight materials, the lower part of the image capturing darkroom is close to the input conveyor belt and the output conveyor belt of the detector in an acceptable range to the maximum extent, the width of the image capturing darkroom is not smaller than a product to be detected, and the length of the image capturing darkroom is not smaller than the irradiation port; the linear array camera module is fixed in the image capturing darkroom, and a lens faces downwards; the detector output conveyor belt is provided with a movable marking device in front of the moving direction for marking defects; the controller is connected with the linear array camera module, the mobile marking equipment and the wireless communication module.
2. The on-line detection device for the quality of the fixed hollow-out pattern thin metal product as claimed in claim 1, wherein the moving marking device comprises a precise lead screw and a positioning inkjet printer, the effective moving range of the precise lead screw is larger than the width of the output conveyor belt of the detector, the precise lead screw further comprises a lead screw controller, a lead screw positioner and a slide block, the lead screw controller is connected with the lead screw positioner and the slide block, the lead screw controller controls the slide block to move, the lead screw positioner is used for positioning the position of the slide block, the positioning inkjet printer is mounted on the slide block, and the controller is connected with the lead screw controller and the positioning inkjet printer and is used for marking defects.
3. The device for the on-line detection of the quality of the fixed hollow-out pattern thin metal products as claimed in claim 2, wherein a plurality of the positioning code spraying machines are arranged side by side on the output conveyor belt of the detector and are used for marking a plurality of defects of the same product to be detected.
4. The device for on-line detection of the quality of the fixed hollow-out pattern thin metal product as claimed in claim 1, wherein the moving marking equipment comprises a precision lead screw and a robot hand, the effective moving range of the robot hand is larger than the width of the output conveyor belt of the detector, the precision lead screw further comprises a lead screw controller, a lead screw positioner and a slide block, the lead screw controller is connected with the lead screw positioner and the slide block, the lead screw controller controls the slide block to move, the lead screw positioner is used for fixing the position of the slide block, the robot hand is mounted on the slide block, and the controller is connected with the lead screw controller and the robot hand and is used for grabbing the product to be detected with the defect.
5. The device for the on-line detection of the quality of the fixed hollow pattern thin metal products as claimed in claim 4, wherein a plurality of the robots are arranged side by side on the output conveyor belt of the detector and used for picking out a plurality of defective products to be detected which are detected simultaneously.
6. The device for detecting the quality of the fixed hollow-out pattern thin metal product on line as claimed in claim 1, further comprising a conveyor belt bracket, wherein the detector input conveyor belt, the detector output conveyor belt, the light source, two side edges of the image-taking darkroom and the mobile marking equipment are all arranged on the conveyor belt bracket.
7. The device for detecting the quality of the fixed hollow-out pattern thin metal product on line as claimed in claim 1, wherein a light-shielding eave is extended outwards and transversely from the edge of the lower end of the image-capturing darkroom, the light-shielding eave is parallel to the detector input conveyor belt and the detector output conveyor belt, and the length of the light-shielding eave is extended to the maximum extent within an acceptable range.
8. The on-line detection device for the quality of the fixed hollow-out pattern thin metal product as claimed in claim 1, wherein the line camera module further comprises an image sensor, the photosensitive pixels of the image sensor are a row, and a minimum of 4096 pixels are used to obtain a high-definition high-resolution image through scanning.
9. The on-line detection device for the quality of the fixed hollow-out pattern thin metal product as claimed in claim 1, wherein the light source further comprises a light source controller, the light source controller is connected with the controller, and the light source controller is used for adjusting the illumination brightness and the switch of the light source.
10. The device for detecting the quality of the fixed hollow-out pattern thin metal product on line as claimed in claim 1, further comprising a visual operation screen connected with the controller through a wireless communication module.
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| CN202111578824.3A CN114166856A (en) | 2021-12-22 | 2021-12-22 | Fixed fretwork pattern thin metal product quality on-line measuring device |
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| CN202111578824.3A CN114166856A (en) | 2021-12-22 | 2021-12-22 | Fixed fretwork pattern thin metal product quality on-line measuring device |
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| CN103743761A (en) * | 2013-12-31 | 2014-04-23 | 江苏大学 | Lens watermark defect image detection device |
| CN108732184A (en) * | 2018-05-22 | 2018-11-02 | 丹阳市精通眼镜技术创新服务中心有限公司 | A kind of apparatus and method of resin lens leakage film defects detection |
| CN215179758U (en) * | 2021-07-01 | 2021-12-14 | 北京理工大学重庆创新中心 | Ceramic tile surface defect detection device |
| CN217059974U (en) * | 2021-12-22 | 2022-07-26 | 大连理工江苏研究院有限公司 | Fixed fretwork pattern thin metal product quality on-line measuring device |
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