CN114486920A - Detection device and detection method for surface defects of aviation aluminum product - Google Patents
Detection device and detection method for surface defects of aviation aluminum product Download PDFInfo
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- CN114486920A CN114486920A CN202111618866.5A CN202111618866A CN114486920A CN 114486920 A CN114486920 A CN 114486920A CN 202111618866 A CN202111618866 A CN 202111618866A CN 114486920 A CN114486920 A CN 114486920A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 64
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 230000007547 defect Effects 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 54
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910001095 light aluminium alloy Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N2021/8918—Metal
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention belongs to the technical field of aluminum product surface defect detection, and particularly relates to a device and a method for detecting surface defects of aviation aluminum products. The driving mechanism is arranged to drive the threaded sleeve and the two rotating shafts simultaneously, so that a point light source emitted by the laser emitter can irradiate on the surface of the aluminum material in a spiral line form conforming to the surface shape of the aluminum material, and the pitch of the spiral line is kept unchanged, so that detection cannot be missed, the control panel receives data of the three optical signal receiving plates for processing, a three-dimensional coordinate system of reflected light can be obtained, and whether surface defects and defect degrees exist or not can be conveniently judged through a position change curve of the reflected light signal when the aluminum material rotates for one circle in the coordinate system.
Description
Technical Field
The invention relates to the technical field of aluminum product surface defect detection, in particular to a device and a method for detecting surface defects of aviation aluminum products.
Background
In aeronautical, aerospace, weapon systems it is known to produce metal strips by mechanical working processes such as rolling or drawing. Such a metal strip differs from a metal plate, ingot or strip in that its cross-section has a smaller circumference/cross-sectional area ratio, so that the metal strip can be rotated/twisted about a longitudinal axis while being moved longitudinally forward. For example, when the cross-sectional area is uniform for a given shape, the shape of the metal strip has a ratio of perimeter to cross-sectional area equal to or less than 4.25. The shape of such a metal strip may be circular, oval or polygonal when only the cross-section is considered. The common detection device for the surface defects of the aviation aluminum materials and the detection method thereof mainly comprise an optical detection method and a photo contrast method, wherein the optical detection method is used for carrying out laser irradiation on the surface of the aluminum materials and judging whether the surface of the aluminum materials has defects or not according to the positions of reflected light received by a light signal receiving plate, the photo contrast method is used for photographing the aluminum materials to be detected from various angles and comparing the photographed aluminum materials with comparison pictures of the same type of aluminum materials and the same position in a data system, and the defect positions are found out through comparison, when the defects on the surface of the aviation aluminum materials are detected by the two methods, the aviation aluminum materials need to rotate so that the detection results are more comprehensive, but the common detection device for the surface defects of the aviation aluminum materials is usually used for driving the aluminum materials to rotate by one end, and the aluminum materials are likely to slightly deform in the rotating process so that the detection results are deviated, meanwhile, the data analysis detected by the laser detection method is troublesome, so that the detection device and the detection method for the surface defects of the aviation aluminum material are provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a device and a method for detecting the surface defects of the aviation aluminum material, and solves the problems mentioned in the background technology.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
the detection device for the surface defects of the aviation aluminum materials and the detection method thereof comprise a bottom plate, wherein the upper surface of the bottom plate is connected with a sliding plate in a sliding way, two ends of the upper surface of the sliding plate are both fixed with connecting plates, a through groove is arranged in the middle of the sliding plate, one side of the upper surface of the bottom plate is fixed with a threaded sleeve, the upper end of the threaded sleeve penetrates through the through groove and extends to the upper part of the sliding plate, two rotating shafts are rotatably connected on the two connecting plates, two opposite clamping components are arranged between the two rotating shafts, one clamping component is fixedly connected with the rotating shaft at the same side, the other clamping component is connected with the rotating shaft at the same side through an electric push rod, the sliding plate is provided with a driving mechanism which drives the threaded sleeve and the two rotating shafts simultaneously, one side wall of the bottom plate is connected with an L-shaped plate through an L-shaped rod, and one end of the L-shaped plate, which is far away from the L-shaped rod, is provided with a through hole, the inboard slip grafting of opening has the slide, the both ends of L template all are fixed with electric putter three, electric putter three's drive end is connected with the extension plate, two the both sides wall at the slide is fixed to the extension plate symmetry, one side of roof is provided with laser emitter in the L template, the both sides inner wall of L template is fixed with light signal receiving plate one and light signal receiving plate two respectively, the slide is fixed with light signal receiving plate three towards the inboard one end of L template.
Further, the centre gripping subassembly includes the mounting panel, one of them the drive end of pivot and electric putter one respectively with adjacent mounting panel fixed connection, two the relative lateral wall bottom of mounting panel all is fixed with the lower plate, two the upper end of mounting panel all is fixed with electric putter two through the connecting piece, the drive end of electric putter two is fixed with the punch holder that sets up with the lower plate cooperation, the equal distance in the relative one end of lower plate and punch holder is fixed with the rubber filler strip.
Furthermore, the driving mechanism comprises a screw rod which penetrates through the two connecting plates and is connected with the two connecting plates in a rotating mode, driving gears are fixed at two ends of the screw rod, driven gears are fixed at one ends, away from the clamping assembly, of the two rotating shafts, the driving gears and the driven gears at the same side are connected through a toothed belt in a transmission mode, a motor is fixed on one side wall of the sliding plate, and a driving end of the motor is connected with one end of the screw rod.
Further, the screw rod is in threaded connection with the threaded sleeve.
Furthermore, sliding grooves are symmetrically formed in two sides of the upper surface of the bottom plate, and sliding blocks in sliding connection with the sliding grooves are fixed on the lower surface of the sliding plate.
Furthermore, an optical absorption plate is fixed between the two connecting plates.
Furthermore, a support leg assembly is installed at the lower end of the bottom plate and comprises a fixing plate symmetrically arranged on the lower surface of the bottom plate, a sliding rod connected with the fixing plate in a sliding mode penetrates through the fixing plate, backing plates are fixed to the upper end and the lower end of the sliding rod, a spring is fixed to the upper surface of the fixing plate, the spring is sleeved on the outer side of the sliding rod, and the upper end of the spring is connected with the backing plate above the spring.
Furthermore, a control panel is fixed on one side wall of the L-shaped plate, and the control panel is electrically connected with the motor, the laser transmitter, the first optical signal receiving plate, the second optical signal receiving plate and the third optical signal receiving plate respectively.
The invention also provides a method for detecting the surface defects of the aviation aluminum product, which comprises the following steps;
s1: fixing the aluminum material, wherein two ends of the aluminum material are clamped and fixed on the clamping assembly through the electric push rod I and the electric push rod II;
s2: debugging equipment, namely adjusting the position of a laser transmitter to enable laser emitted by the laser transmitter to be aligned to the top part of one end of the aluminum material and enable a position, close to the middle, of a first optical signal receiving plate to receive reflected light of the laser;
s3: detecting, and starting a motor to enable the aluminum material to move to one side along with the sliding plate while rotating, so that the laser irradiation point moves to the other end of the aluminum material;
s4: and establishing a coordinate system, namely establishing a three-dimensional coordinate system according to the positions of the optical signals received on the optical signal receiving plate I, the optical signal receiving plate II and the optical signal receiving plate III during the movement of the aluminum material, and taking the time change as an X axis of the coordinate system and the length and width directions of the surface of the reflected laser receiving plate as Y, Z axes of the coordinate system.
(III) advantageous effects
Compared with the prior art, the invention provides a device and a method for detecting the surface defects of the aviation aluminum material, and the device and the method have the following beneficial effects:
the invention can make the point light source emitted by the laser emitter irradiate on the surface of the aluminum material in the form of a spiral line which is in accordance with the surface shape of the aluminum material by arranging the driving mechanism and simultaneously driving the threaded sleeve and the two rotating shafts, and simultaneously keep the pitch of the spiral line unchanged, so that the detection can not be missed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the deslide plate of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a cross-sectional view taken along the line A-A of the present invention;
FIG. 5 is a sectional view taken along the direction B-B of the present invention.
In the figure: 1. a base plate; 101. a chute; 2. a sliding plate; 201. a slider; 3. a connecting plate; 4. a through groove; 5. a threaded sleeve; 6. a rotating shaft; 7. a clamping assembly; 701. mounting a plate; 702. a lower splint; 703. a second electric push rod; 704. an upper splint; 705. a rubber packing strip; 8. an electric push rod I; 9. a drive mechanism; 901. a screw; 902. a driving gear; 903. a driven gear; 904. a toothed belt; 905. a motor; 10. an L-shaped rod; 11. an L-shaped plate; 12. a port; 13. a slide plate; 14. an electric push rod III; 15. an extension plate; 16. a laser transmitter; 17. a first optical signal receiving plate; 18. a second optical signal receiving plate; 19. a third optical signal receiving plate; 20. a control panel; 21. a light absorbing plate; 22. a leg assembly; 2201. a fixing plate; 2202. a slide bar; 2203. a base plate; 2204. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1-5, a device and a method for detecting surface defects of an aircraft aluminum product according to an embodiment of the present invention includes a bottom plate 1, a sliding plate 2 is slidably connected to an upper surface of the bottom plate 1, connecting plates 3 are fixed to both ends of the upper surface of the sliding plate 2, a through-slot 4 is formed in the middle of the sliding plate 2, a threaded sleeve 5 is fixed to one side of the upper surface of the bottom plate 1, an upper end of the threaded sleeve 5 extends above the sliding plate 2 through the through-slot 4, rotating shafts 6 are rotatably connected to both of the connecting plates 3, two opposite clamping assemblies 7 are disposed between the two rotating shafts 6, one clamping assembly 7 is fixedly connected to the rotating shaft 6 on the same side, the other clamping assembly 7 is connected to the rotating shaft 6 on the same side through a first electric push rod 8, a driving mechanism 9 for simultaneously driving the threaded sleeve 5 and the two rotating shafts 6 is disposed on the sliding plate 2, one side wall of the bottom plate 1 is connected to an L-shaped plate 11 through an L-shaped rod 10, when the device is used, the sliding plate 13 is pulled up through the electric push rod three 14 firstly to avoid stopping the placement of the aluminum material, the aluminum material to be detected is fixed by the electric push rod one 8 and the clamping component 7, the laser emitted by the laser emitter 16 is aligned to one end of the aluminum material, the sliding plate 13 is put down after the inspection, and starting the driving mechanism 9, and determining the position change of the reflected light at different times by using the first optical signal receiving plate 17, the second optical signal receiving plate 18 and the third optical signal receiving plate 19.
As shown in fig. 2 and 4, in some embodiments, the clamping assembly 7 includes mounting plates 701, driving ends of one of the rotating shafts 6 and the electric push rods 8 are respectively and fixedly connected to adjacent mounting plates 701, a lower clamping plate 702 is fixed to a bottom of a side wall opposite to the two mounting plates 701, a second electric push rod 703 is fixed to upper ends of the two mounting plates 701 through a connecting piece, an upper clamping plate 704 arranged in cooperation with the lower clamping plate 702 is fixed to a driving end of the second electric push rod 703, rubber cushion strips 705 are fixed to opposite ends of the lower clamping plate 702 and the upper clamping plate 704 at equal intervals, the lower clamping plate 702 and the upper clamping plate 704 are arranged in cooperation to clamp the aluminum, and the aluminum with an arc surface can be clamped and fixed through the rubber cushion strips 705.
As shown in fig. 2 and 4, in some embodiments, the driving mechanism 9 includes a screw 901 penetrating through and rotatably connected to the two connecting plates 3, driving gears 902 are fixed to both ends of the screw 901, driven gears 903 are fixed to both ends of the two rotating shafts 6 far away from the clamping assemblies 7, the driving gears 902 and the driven gears 903 on the same side are in transmission connection through a toothed belt 904, a motor 905 is fixed to one side wall of the sliding plate 2, a driving end of the motor 905 is connected to one end of the screw 901, and the two rotating shafts 6 rotate synchronously through the arrangement of the screw 901, the driving gears 902, the driven gears 903 and the toothed belt 904, so that the two clamping assemblies 7 can synchronously drive the aluminum material to rotate, thereby preventing the aluminum material from deforming in the rotating process.
As shown in fig. 2, 4 and 5, in some embodiments, the screw 901 is in threaded connection with the threaded sleeve 5, and by means of the threaded connection of the screw 901 with the threaded sleeve 5, when the rotating shaft 6 rotates, the sliding plate 2 slides relative to the bottom plate 1, so that when the device clamps the largest aluminum material capable of being detected, the driving end of the electric push rod-8 is completely contracted, and at the same time, the threaded sleeve 5 moves from one end of the through groove 4 to the other end, the surface detection of one aluminum material can be just finished.
As shown in fig. 4, in some embodiments, the sliding grooves 101 are symmetrically formed on both sides of the upper surface of the bottom plate 1, the sliding block 201 slidably connected to the sliding grooves 101 is fixed on the lower surface of the sliding plate 2, and the sliding of the sliding plate 2 is more stable through the arrangement of the sliding grooves 101 and the sliding block 201.
As shown in fig. 2, 4 and 5, in some embodiments, an absorption plate 21 is fixed between the two connection plates 3, and interference caused by re-reflection of the reflected light from the absorption plate 21 is avoided by the arrangement of the absorption plate 21.
As shown in fig. 2, in some embodiments, a supporting leg assembly 22 is installed at the lower end of the base plate 1, the supporting leg assembly 22 includes a fixing plate 2201 symmetrically disposed on the lower surface of the base plate 1, a sliding rod 2202 slidably connected to the fixing plate 2201 penetrates through the fixing plate 2201, backing plates 2203 are fixed at the upper and lower ends of the sliding rod 2202, a spring 2204 is fixed on the upper surface of the fixing plate 2201, the spring 2204 is sleeved outside the sliding rod 2202, and the upper end of the spring 2204 is connected to the backing plate 2203 above the sliding rod 2202, and by the arrangement of the spring 2204, the device has a certain shock absorption function, so that the device is more stable in use.
As shown in fig. 4 and 5, in some embodiments, a control panel 20 is fixed on a side wall of the L-shaped plate 11, the control panel 20 is electrically connected to the motor 905, the laser emitter 16, the first optical signal receiving plate 17, the second optical signal receiving plate 18, and the third optical signal receiving plate 19, respectively, the control panel 20 can control the motor 905 and the laser emitter 16 to be turned on and off, and the control panel 20 can arrange and fill the position data of the optical signals received by the first optical signal receiving plate 17, the second optical signal receiving plate 18, and the third optical signal receiving plate 19 into the three-dimensional coordinate system.
As shown in figures 1-5, the invention also provides a method for detecting the surface defects of the aviation aluminum material, which comprises the following steps;
s1: fixing the aluminum material, wherein two ends of the aluminum material are clamped and fixed on the clamping assembly 7 through the electric push rod I8 and the electric push rod II 703;
s2: debugging equipment, namely adjusting the position of a laser transmitter 16 to enable laser emitted by the laser transmitter 16 to be aligned with the top part of one end of the aluminum material and enable the position, close to the middle, of a first optical signal receiving plate 17 to receive reflected light of the laser;
s3: detecting, and starting a motor 905 to enable the aluminum material to move to one side along with the sliding plate 2 while rotating, so that the laser irradiation point moves to the other end of the aluminum material;
s4: and establishing a coordinate system, namely establishing a three-dimensional coordinate system according to the positions of the light signals received on the first light signal receiving plate 17, the second light signal receiving plate 18 and the third light signal receiving plate 19 during the movement of the aluminum material, wherein the time change is taken as an X axis of the coordinate system, and the length and width directions of the surface of the reflected laser receiving plate are taken as Y, Z axes of the coordinate system.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. Detection device of aviation aluminum product surface defect, including bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is connected with a sliding plate (2) in a sliding mode, two ends of the upper surface of the sliding plate (2) are fixed with connecting plates (3), a through groove (4) is formed in the middle of the sliding plate (2), a threaded sleeve (5) is fixed on one side of the upper surface of the bottom plate (1), the upper end of the threaded sleeve (5) penetrates through the through groove (4) and extends to the upper portion of the sliding plate (2), rotating shafts (6) are rotatably connected to the two connecting plates (3), two opposite clamping components (7) are arranged between the two rotating shafts (6), one clamping component (7) is fixedly connected with the rotating shaft (6) on the same side, the other clamping component (7) is connected with the rotating shaft (6) on the same side through a first electric push rod (8), and a driving mechanism (9) for driving the threaded sleeve (5) and the two rotating shafts (6) simultaneously is arranged on the sliding plate (2), a side wall of bottom plate (1) is connected with L template (11) through L template (10), opening (12) have been seted up to the one end that L template (11) kept away from L template (10), the inboard slip grafting of opening (12) has slide (13), the both ends of L template (11) all are fixed with electric putter three (14), the drive end of electric putter three (14) is connected with extension plate (15), two the both sides wall at slide (13) is fixed to extension plate (15) symmetry, one side of roof is provided with laser emitter (16) in L template (11), the both sides inner wall of L template (11) is fixed with light signal receiving plate (17) and light signal receiving plate two (18) respectively, slide (13) are fixed with light signal receiving plate three (19) towards the inboard one end of L template (11).
2. The detection device for the surface defects of the aviation aluminum material as claimed in claim 1, wherein: centre gripping subassembly (7) include mounting panel (701), one of them the drive end of pivot (6) and electric putter (8) respectively with adjacent mounting panel (701) fixed connection, two mounting panel (701) relative side wall bottom all is fixed with lower plate (702), two the upper end of mounting panel (701) all is fixed with electric putter two (703) through the connecting piece, the drive end of electric putter two (703) is fixed with punch holder (704) that set up with lower plate (702) cooperation, lower plate (702) and the equal equidistance of the relative one end of punch holder (704) are fixed with rubber filler strip (705).
3. The detection device for the surface defects of the aviation aluminum material as claimed in claim 1, wherein: the driving mechanism (9) comprises a screw (901) which penetrates through the two connecting plates (3) and is rotationally connected with the two connecting plates, driving gears (902) are fixed at two ends of the screw (901), driven gears (903) are fixed at one ends, far away from the clamping assembly (7), of the two rotating shafts (6), the driving gears (902) and the driven gears (903) at the same side are in transmission connection through toothed belts (904), a motor (905) is fixed on one side wall of the sliding plate (2), and the driving end of the motor (905) is connected with one end of the screw (901).
4. The detection device for the surface defects of the aviation aluminum material as claimed in claim 3, wherein: the screw (901) is in threaded connection with the threaded sleeve (5).
5. The detection device for the surface defects of the aviation aluminum material as claimed in claim 1, wherein: the sliding plate is characterized in that sliding grooves (101) are symmetrically formed in two sides of the upper surface of the bottom plate (1), and sliding blocks (201) which are connected with the sliding grooves (101) in a sliding mode are fixed on the lower surface of the sliding plate (2).
6. The detection device for the surface defects of the aviation aluminum material as claimed in claim 1, wherein: an optical absorption plate (21) is fixed between the two connecting plates (3).
7. The detection device for the surface defects of the aviation aluminum material as claimed in claim 1, wherein: foot subassembly (22) are installed to the lower extreme of bottom plate (1), foot subassembly (22) are including symmetry setting fixed plate (2201) at bottom plate (1) lower surface, fixed plate (2201) is gone up to run through have rather than sliding connection's slide bar (2202), the upper and lower both ends of slide bar (2202) all are fixed with backing plate (2203), the upper surface mounting of fixed plate (2201) has spring (2204), spring (2204) cover is established in the outside of slide bar (2202), and its upper end links to each other with backing plate (2203) of top.
8. The detection device for the surface defects of the aviation aluminum material as claimed in claim 3, wherein: a control panel (20) is fixed on one side wall of the L-shaped plate (11), and the control panel (20) is electrically connected with the motor (905), the laser transmitter (16), the first optical signal receiving plate (17), the second optical signal receiving plate (18) and the third optical signal receiving plate (19) respectively.
9. The method for detecting the surface defects of the aviation aluminum material according to any one of claims 1 to 8, wherein the method comprises the following steps: comprises the following steps;
s1: fixing the aluminum material, wherein two ends of the aluminum material are clamped and fixed on the clamping assembly (7) through the electric push rod I (8) and the electric push rod II (703);
s2: debugging equipment, namely adjusting the position of a laser transmitter (16) to enable laser emitted by the laser transmitter (16) to be aligned to the top part of one end of the aluminum material and enable the position, close to the middle, of a first optical signal receiving plate (17) to receive reflected light of the laser;
s3: detecting, and starting a motor (905) to enable the aluminum material to move to one side along with the sliding plate (2) while rotating, so that the laser irradiation point moves to the other end of the aluminum material;
s4: and establishing a coordinate system, namely establishing a three-dimensional coordinate system according to the positions of the optical signals received on the optical signal receiving plate I (17), the optical signal receiving plate II (18) and the optical signal receiving plate III (19) during the movement of the aluminum material, and taking the time change as an X axis of the coordinate system and the length and width directions of the surface of the reflection laser receiving plate as Y, Z axes.
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| CN103308660A (en) * | 2012-03-16 | 2013-09-18 | 苏州春兴精工股份有限公司 | Method for detecting aerial aluminum product surface defects |
| CN210572041U (en) * | 2019-07-11 | 2020-05-19 | 本溪福耀浮法玻璃有限公司 | Online automatic defect detection device for high-grade original sheets |
| CN210952718U (en) * | 2019-11-13 | 2020-07-07 | 辽宁东林瑞那斯股份有限公司 | Aluminum product thickness detection device with high detection precision |
| CN111781207A (en) * | 2020-07-23 | 2020-10-16 | 王亚军 | Portable metal surface defect laser scanning detection device |
| CN111999190A (en) * | 2020-09-24 | 2020-11-27 | 中国民用航空飞行学院 | Terahertz detection method and device for low-speed impact damage of composite material test piece |
| CN112588873A (en) * | 2020-12-06 | 2021-04-02 | 吉林工程技术师范学院 | Experimental measurement device for rebound amplitude of plate stamping |
| CN214622274U (en) * | 2021-04-13 | 2021-11-05 | 深圳市精视睿电子科技有限公司 | Device based on 3D line laser detects soldering tin defect |
| CN113375000A (en) * | 2021-06-27 | 2021-09-10 | 国网河南省电力公司杞县供电公司 | Power communication laser scanning device |
| CN113808099A (en) * | 2021-09-11 | 2021-12-17 | 苏州兆能视觉科技有限公司 | Aluminum product surface defect detection device and method |
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