CN115753799B - Grating double-sided defect measuring device based on visual detection - Google Patents
Grating double-sided defect measuring device based on visual detection Download PDFInfo
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- CN115753799B CN115753799B CN202211475528.5A CN202211475528A CN115753799B CN 115753799 B CN115753799 B CN 115753799B CN 202211475528 A CN202211475528 A CN 202211475528A CN 115753799 B CN115753799 B CN 115753799B
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Abstract
The invention discloses a grating double-sided defect measuring device based on visual detection, which comprises: and the base is used for placing the grille. And the camera is movably connected with the base and is used for scanning the grille on the base. The driving device is arranged on the base and is in driving connection with the camera and used for driving the camera to move on the surface of the grating so as to scan all positions of the surface of the grating by the camera. When detecting the grid upper surface, place the grid on the material loading support earlier, loading attachment removes the grid on the base, and drive arrangement drives the camera and removes on the surface, and the camera scans each position on grid surface, when detecting the grid lower surface, overturns the grid, and drive arrangement drives the camera and removes on the surface, and the camera scans each position on grid surface, including surface and gusset welded position department. The detection process does not need to be judged by human eyes, the working efficiency is high, the detection accuracy is high, and the manpower use is reduced.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a grating double-sided defect measuring device based on visual detection.
Background
The air inlet channel is a flow channel for air sucked by the aero-engine, belongs to one of five parts of the aero-engine, directly influences the working efficiency of the engine, and plays a vital role in whether the engine works normally, the thrust and the like. The grid is installed at the lip of the air inlet channel of the aeroengine, so that sundries are prevented from entering the air inlet channel to damage the engine, and in addition, electromagnetic scattering of a cavity of the air inlet channel can be effectively reduced through the grid of the air inlet channel of the aeroengine, and electromagnetic shielding is conducted.
The aeroengine air inlet grille is formed by welding a bottom plate, transverse ribs and longitudinal ribs, adopts a single-chamfer section mode, and has a certain inclination angle with the bottom plate. The grid is easy to cause various welding defects on the surface and the corners of each rib during manufacturing. In addition, the grid may create tiny holes and cracks in the surface of the material during the manufacturing process, which create very small defects and deformations. It is very difficult to locate small defects on the surface of a larger product, and in order to ensure the production quality of the grating and reduce the production cost, the detection of defects on both sides of the grating has been a key link in the manufacture of the grating.
Because the structure of the grid is complex, most of the detection processes are judged by human eyes at present, the work efficiency is low, the detection accuracy is low, and the labor is very consumed. In addition, the detection of surface defects by manpower is also easily affected by the emotion and state of the detection personnel, the detection efficiency in the production process cannot be ensured, and the detection accuracy is extremely low.
Disclosure of Invention
Aiming at the technical problems, the invention provides a grating double-sided defect measuring device based on visual detection, which comprises:
and the base is used for placing the grille.
And the camera is movably connected with the base and is used for scanning the grille on the base.
The driving device is arranged on the base and is in driving connection with the camera and used for driving the camera to move on the surface of the grating so as to scan all positions of the surface of the grating by the camera.
In order to achieve the above purpose, the invention is realized by the following technical scheme: when detecting the grid upper surface, place the grid on the material loading support earlier, loading attachment removes the grid on the base, drive arrangement drives the camera and removes at the surface, and the camera scans each position on grid surface, removes the grid to the material loading support after the scanning is finished, and when detecting the grid lower surface, overturn the grid, loading attachment removes the grid on the base, drive arrangement drives the camera and removes at the surface, and the camera scans each position on grid surface, including surface and gusset welded position department.
Compared with the prior art, the invention has the following advantages: the detection process does not need to be judged by human eyes, the working efficiency is high, the detection accuracy is high, and the manpower use is reduced.
Further preferably, the driving device includes:
the first moving block is in sliding connection with the base, and the sliding direction is along a horizontal straight line.
The second moving block is in sliding connection with the first moving block, and the sliding direction of the second moving block is perpendicular to the sliding direction of the first moving block on the base along the horizontal linear direction.
And the third moving block is in sliding connection with the second moving block, the sliding direction and the vertical angle can be adjusted, and the camera is arranged on the third moving block.
The first driving assembly is arranged on the base and is in driving connection with the first moving block and used for driving the first moving block to slide.
The second driving assembly is arranged on the first moving block, is in driving connection with the second moving block and is used for driving the second moving block to slide.
And the third driving assembly is arranged on the second moving block, is in driving connection with the third moving block and is used for driving the third moving block to slide.
By adopting the technical scheme, before the grid is detected, the third driving assembly drives the third moving block to linearly move along the Z axis, the third moving block drives the camera to move close to and away from the grid, so that the distance between the camera and the grid is adjusted to finish focusing of the camera, the first driving assembly drives the first moving block to linearly move along the X axis, scanning of the length direction of the grid is realized, the second driving assembly drives the second moving block to linearly move along the Y axis, scanning of the width direction of the grid is realized, and scanning of the whole surface of the grid is completed.
Further preferably, the method further comprises:
the first rotating column is fixedly connected with the third moving block, is rotationally connected with the second moving block, and is used for adjusting the shooting angle of the camera, wherein the sliding direction of the rotating shaft of the first rotating column is the same as that of the second moving block.
The second rotating column is fixedly connected with the camera and is rotationally connected with the third moving block, and the rotating shaft of the second rotating column is the same as the sliding direction of the third moving block and is used for adjusting the shooting angle of the camera.
And the fourth driving assembly is arranged on the first moving block, is in driving connection with the first rotating column and is used for driving the first rotating column to rotate.
And the fifth driving assembly is arranged on the third moving block, is in driving connection with the camera and is used for driving the camera to rotate.
By adopting the technical scheme, the first rotating column is driven by the fourth driving assembly to rotate around the X axis, the third moving block is driven by the first rotating column to rotate, the camera is driven by the third moving block to rotate, so that the camera is adjusted around the X axis direction angle, the second rotating column is driven by the fifth driving assembly to rotate around the Y axis, the camera is driven by the second rotating column to rotate, the camera is adjusted around the Y axis direction angle, the camera can comprehensively scan grids at different angles, and the detection accuracy is improved.
Further preferably, the method further comprises:
the feeding bracket is arranged with the base and used for placing the grille,
and the feeding device is arranged on the base and used for moving the grille of the feeding bracket to the base.
By adopting the technical scheme, before detecting the grille, the grille is firstly placed on the feeding support, the grille is moved to the base by the feeding device, and then the grille is detected. When avoiding placing the grid, the grid touches drive arrangement or camera on the base, has guaranteed the precision of detection and has avoided the damage of camera.
Further preferably, the feeding device comprises:
the sliding component is arranged along the horizontal plane, is installed on two sides of the base and the feeding support, one side of the sliding component is installed on the feeding support, the other side of the sliding component is installed on the base and used for supporting the grille, friction between the grille and the feeding support is reduced, and friction between the grille and the base is reduced.
And the fourth moving block is in sliding connection with the base, and the sliding direction is close to or far away from the feeding bracket.
And the pressing block is in sliding connection with the fourth moving block, and the sliding direction is close to or far away from the sliding assembly.
And the sixth driving assembly is arranged on the fourth moving block, is in driving connection with the pressing block and is used for driving the pressing block to be matched with the sliding assembly to clamp or loosen the grille.
And the seventh driving assembly is arranged on the base, is in driving connection with the fourth moving block and is used for driving the fourth moving block to slide and moving the grille in a clamping state.
By adopting the technical scheme, after the grille is placed on the feeding bracket, the seventh driving assembly drives the fourth moving block to move to the edge of the grille, the sixth driving assembly drives the pressing block to move to match with the sliding assembly to clamp the grille, and the seventh driving assembly drives the fourth moving block to move to the base.
Further preferably, the sliding assembly includes:
and the transverse fluent strip is fixedly connected with the base and the feeding bracket, and the length direction of the transverse fluent strip is the same as the sliding direction of the fourth moving block and is used for being abutted with the bottom surface of the grille.
And the longitudinal fluent strip is fixedly connected with the base and the feeding bracket, and the length direction is the same as the sliding direction of the fourth moving block and is used for being abutted with the edges of the two sides of the grille.
By adopting the technical scheme, the friction between the grating and the feeding bracket can be reduced by rolling the roller of the fluent strip, the friction between the grating and the base is reduced, and the grating is prevented from being damaged in the feeding process.
Further preferably, the method further comprises:
and the positioning device is arranged on the base and used for positioning the grille on the base.
By adopting the technical scheme, the complete positioning of the grating is completed, the grating is prevented from moving, and the scanning accuracy is improved.
Further preferably, the positioning device includes:
the limiting block is fixedly arranged on the base and is used for being in butt fit with one side of the length direction of the grille.
The positioning block is connected with the base in a sliding manner and is in butt fit with one side of the grid in the width direction.
And the eighth driving assembly is arranged on the base and is in driving connection with the positioning block and is used for clamping the grille along the width direction in cooperation with the longitudinal fluent strip.
By adopting the technical scheme, in the feeding process, along with the movement of the grating, the edge of the length direction of the grating is abutted with the limiting block to finish the positioning of the length direction of the grating, then the eighth driving assembly drives the positioning block to move and be abutted with one edge of the width direction of the grating, and the other edge of the width direction of the grating is abutted with the longitudinal fluent strip under the action of the pushing force of the positioning block to finish the positioning of the width direction of the grating. And finally, the complete positioning of the grille is finished, and the grille is prevented from moving.
Further preferably, the method further comprises:
the leveling block is in sliding connection with the base and is used for being in butt fit with the bottom surface of the grille.
And the ninth driving assembly is arranged on the base and is in driving connection with the leveling block and used for driving the leveling block to slide, and the leveling block supports the thin part of the grating thickness so as to enable the surface of the grating to be in a horizontal state.
By adopting the technical scheme, when detecting grids with different thicknesses at two ends in the length direction, the ninth driving assembly drives the leveling block to move along the Z-axis direction, the thin part of the grid is jacked up, the surface of the grid is in a horizontal state, and the camera can conveniently detect the grid.
Further preferably, the method further comprises: the base is made of granite stone.
By adopting the technical scheme, the granite stone structure is compact, has the advantage of higher compressive strength, and can reduce deformation and improve detection precision.
In summary, compared with the prior art, the invention has the following beneficial effects: when detecting the grid upper surface, place the grid on the material loading support earlier, drive arrangement drive camera is at the surface removal, and the camera scans each position on grid surface, and the back is accomplished in the scanning moves the grid to the material loading support, and when detecting the grid lower surface, overturn the grid, on the material loading device moved the grid to the base, drive arrangement drive camera was at the surface removal, and the camera scans each position (including surface and gusset welded position department) on grid surface. The detection process does not need to be judged by human eyes, the working efficiency is high, the detection accuracy is high, and the manpower use is reduced.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic diagram of the structure of the present embodiment;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view showing a partial structure of the present embodiment;
FIG. 5 is a schematic view showing a partial structure of the present embodiment;
FIG. 6 is an enlarged view of a portion of FIG. 1 at A;
FIG. 7 is an enlarged partial view at B in FIG. 1;
FIG. 8 is an enlarged partial view at C in FIG. 1;
fig. 9 is a partial enlarged view at D in fig. 4;
reference numerals: 1-a base; 2-cameras; 3-a driving device; 31-a first moving block; 32-a second moving block; 33-a third moving block; 34-a first drive assembly; 35-a second drive assembly; 36-a third drive assembly; 37-a first swivel post; 38-a second swivel post; 39-a fourth drive assembly; 310-a fifth drive assembly; 4-a feeding bracket; 5-a feeding device; 51-a sliding assembly; 511-transverse fluency strips; 512-longitudinal fluency strips; 52-fourth moving block; 53-briquetting; 54-a sixth drive assembly; 55-a seventh drive assembly; 6-positioning device; 61-limiting blocks; 62-positioning blocks; 63-eighth drive assembly; 7-leveling blocks; 8-a ninth drive assembly; 9-bracket.
Detailed Description
The invention is described in further detail below in connection with fig. 1-9.
The air inlet channel is a flow channel for air sucked by the aero-engine, belongs to one of five parts of the aero-engine, directly influences the working efficiency of the engine, and plays a vital role in whether the engine works normally, the thrust and the like. The grid is installed at the lip of the air inlet channel of the aeroengine, so that sundries are prevented from entering the air inlet channel to damage the engine, and in addition, electromagnetic scattering of a cavity of the air inlet channel can be effectively reduced through the grid of the air inlet channel of the aeroengine, and electromagnetic shielding is conducted.
The aeroengine air inlet grille is formed by welding a bottom plate, transverse ribs and longitudinal ribs, adopts a single-chamfer section mode, and has a certain inclination angle with the bottom plate. The grid is easy to produce at the upper surface and the corners of each rib to cause various welding defects. In addition, the grid may create tiny holes and cracks in the surface of the material during the manufacturing process, which create very small defects and deformations. It is very difficult to locate small defects on the surface of a larger product, and in order to ensure the production quality of the grating and reduce the production cost, the detection of defects on both sides of the grating has been a key link in the manufacture of the grating.
Because the structure of the grid is complex, most of the detection processes are judged by human eyes at present, the work efficiency is low, the detection accuracy is low, and the labor is very consumed. In addition, the detection of surface defects by hand is also susceptible to the emotion and state of the inspector, and the detection efficiency, accuracy and the like in the production process cannot be ensured.
Based on the technical problems, the applicant carries out the following technical scheme conception:
when detecting the grid upper surface, place the grid on the material loading support earlier, drive arrangement drive camera is at the surface removal, and the camera scans each position on grid surface, and the back is accomplished in the scanning moves the grid to the material loading support, and when detecting the grid lower surface, overturn the grid, on the material loading arrangement moved the grid to the base, drive arrangement drive camera was at the surface removal, and the camera scans each position on grid surface including surface and gusset welded position department.
Based on the above conception, the applicant proposes a technical scheme of the present application, specifically as follows:
a grating double-sided defect measuring device based on visual inspection, as shown in fig. 1, comprising: a base 1 for placing a grille. And the camera 2 is movably connected with the base 1 and is used for scanning the grille on the base 1. And the driving device 3 is arranged on the base 1, is in driving connection with the camera 2 and is used for driving the camera 2 to move on the surface of the grating so as to enable the camera 2 to scan all positions on the surface of the grating. When the upper surface of the grating is detected, the grating is firstly placed on the base 1, the driving device 3 drives the camera 2 to move on the surface, the camera 2 scans all positions on the surface of the grating, when the lower surface of the grating is detected, the grating is turned over, the driving device 3 drives the camera 2 to move on the surface, and the camera 2 scans all positions on the surface of the grating. The detection process does not need to be judged by human eyes, the working efficiency is high, the detection accuracy is high, and the manpower use is reduced. The driving device 3 is a common driving device 3, such as a mechanical arm, a combination of a plurality of linear driving components, etc.
Specifically, as shown in fig. 1, 2, 3 and 4, the driving device 3 in the present embodiment includes: the first moving block 31 is slidably connected to the base 1 in a sliding direction along a horizontal straight line. The second moving block 32 is slidably connected to the first moving block 31 in a horizontal linear direction, and has a sliding direction perpendicular to the sliding direction of the first moving block 31 on the base 1. The third moving block 33 is slidably connected to the second moving block 32, the sliding direction and the vertical angle can be adjusted, and the camera 2 is mounted on the third moving block 33. The first driving assembly 34 is mounted on the base 1, and is in driving connection with the first moving block 31, and is used for driving the first moving block 31 to slide. The second driving assembly 35 is mounted on the first moving block 31, and is in driving connection with the second moving block 32, and is used for driving the second moving block 32 to slide. And the third driving assembly 36 is mounted on the second moving block 32, is in driving connection with the third moving block 33, and is used for driving the third moving block 33 to slide. Before detecting the grille, the third driving assembly 36 drives the third moving block 33 to linearly move along the Z axis, the third moving block 33 drives the camera 2 to move close to and away from the grille, so that the distance between the camera 2 and the grille is adjusted to finish focusing of the camera 2, the first driving assembly 34 drives the first moving block 31 to linearly move along the X axis, scanning of the length direction of the grille is realized, the second driving assembly 35 drives the second moving block 32 to linearly move along the Y axis, scanning of the width direction of the grille is realized, and scanning of the whole surface of the grille is completed. The first drive assembly 34 is a conventional linear drive assembly such as a motor, screw and nut drive, a motor, a timing pulley and a timing belt drive. The second drive assembly 35 is a conventional linear drive assembly such as a motor, screw and nut drive, a motor, a timing pulley and a timing belt drive. The third drive assembly 36 is a conventional linear drive assembly such as a motor, screw and nut drive, a motor, a timing pulley and a timing belt drive.
Specifically, the method further comprises the following steps: the first rotating post 37 is fixedly connected to the third moving block 33, and as shown in fig. 1, 3 and 5, is rotatably connected to the second moving block 32, and has a rotation axis in the same direction as the sliding direction of the second moving block 32, for adjusting the photographing angle of the camera 2. The second rotating post 38 is fixedly connected with the camera 2, is rotationally connected with the third moving block 33, and has a rotating shaft in the same sliding direction as the third moving block 33, and is used for adjusting the shooting angle of the camera 2. The fourth driving component 39 is mounted on the first moving block 31, is in driving connection with the first rotating column 37, and is used for driving the first rotating column 37 to rotate. The fifth driving assembly 310 is mounted on the third moving block 33, and is in driving connection with the camera 2, for driving the camera 2 to rotate. The fourth drive assembly 39 drives the first rotating column 37 to rotate around the X axis, the first rotating column 37 drives the third moving block 33 to rotate, the third moving block 33 drives the camera 2 to rotate, and therefore the camera 2 can rotate around the X axis, the fifth drive assembly 310 drives the second rotating column 38 to rotate around the Y axis, the second rotating column 38 drives the camera 2 to rotate, and therefore the camera 2 can rotate around the Y axis, the camera 2 can comprehensively scan grids at different angles, and detection accuracy is improved. The fourth drive assembly 39 is a conventional rotary drive assembly such as a conventional motor and gearbox drive, a motor, worm and worm gear drive. The fifth drive assembly 310 is a conventional rotary drive assembly such as a conventional motor and gearbox drive, a motor, worm, and worm gear drive.
Specifically, as shown in fig. 1, the method further includes: the feeding bracket 4 is installed with the base 1 and used for placing the grille, and the feeding device 5 is installed on the base 1 and used for moving the grille of the feeding bracket 4 onto the base 1. Before detecting the grille, the grille is placed on the feeding support 4, the feeding device 5 moves the grille onto the base 1, and then the grille is detected. When avoiding placing the grid, the grid hits the drive device 3 or the camera 2 on the base 1, and the precision of detection is ensured and the damage of the camera 2 is avoided.
Specifically, as shown in fig. 1, 2, 4 and 5, the feeding device 5 in this embodiment includes: the sliding component 51 is arranged along the horizontal plane, one side of the sliding component is installed on the feeding support 4, the other side of the sliding component is installed on the base 1, the sliding component is installed on two sides of the feeding support 4 and the base 1 and used for supporting the grille, reducing friction between the grille and the feeding support 4 and reducing friction between the grille and the base 1. And the fourth moving block 52 is in sliding connection with the base 1, and the sliding direction is close to or far away from the feeding bracket 4. The pressing block 53 is slidably connected to the fourth moving block 52, and the sliding direction is close to or far from the sliding assembly 51. And a sixth driving assembly 54, which is installed on the fourth moving block 52 and is in driving connection with the pressing block 53, and is used for driving the pressing block 53 to clamp or unclamp the grille in cooperation with the sliding assembly 51. As shown in fig. 1 and 8, a seventh driving unit 55 is mounted on the base 1 and is drivingly connected to the fourth moving block 52, for driving the fourth moving block 52 to slide, and for moving the grille in a clamped state. After the grids are placed on the feeding support 4, the seventh driving assembly 55 drives the fourth moving block 52 to move to the edge of the grids, the sixth driving assembly 54 drives the pressing block 53 to move to match with the sliding assembly 51 to clamp the grids, and the seventh driving assembly 55 drives the fourth moving block 52 to move the grids to the base 1. The sixth driving assembly 54 is a conventional linear driving assembly, and in this embodiment, a cylinder is used. The seventh drive assembly 55 is a conventional linear drive assembly, and in this embodiment, a cylinder is used.
Specifically, as shown in fig. 4 and 5, the slide assembly 51 in the present embodiment includes: the transverse fluent strip 511 is fixedly connected with the base 1 and the feeding bracket 4, and the length direction is the same as the sliding direction of the fourth moving block 52 and is used for abutting against the bottom surface of the grille. The longitudinal fluent strip 512 is fixedly connected with the base 1 and the feeding bracket 4, and the length direction is the same as the sliding direction of the fourth moving block 52 and is used for abutting against the edges of two sides of the grille. The rolling of the roller wheels of the fluent strips can reduce friction between the grating and the feeding support 4, reduce friction between the grating and the base 1 and avoid damage to the grating in the feeding process.
Specifically, as shown in fig. 1, the method further includes: and a positioning device 6 mounted on the base 1 for positioning the grille on the base 1. Complete positioning of the grating is completed, movement of the grating is prevented, and scanning accuracy is improved.
Specifically, as shown in fig. 1, 6, 7 and 9, the positioning device 6 in this embodiment includes: the stopper 61 is fixedly mounted on the base 1 and is adapted to be in contact engagement with one side of the grid in the longitudinal direction. The positioning block 62 is slidably connected to the base 1 and is engaged with one side of the grid in the width direction. An eighth driving assembly 63, mounted on the base 1, is in driving connection with the positioning block 62, and is used for clamping the grille in the width direction in cooperation with the longitudinal flow bar 512. The eighth drive assembly 63 is a conventional linear drive assembly, and in this embodiment, a pneumatic cylinder is used. In the feeding process, along with the movement of the grating, the edge of the grating in the length direction is abutted with the limiting block 61 to complete the positioning of the grating in the length direction, then the eighth driving assembly 63 drives the positioning block 62 to move to be abutted with one edge of the grating in the width direction, and the other edge of the grating in the width direction is abutted with the longitudinal fluent strip 512 under the action of the pushing force of the positioning block 62 to complete the positioning of the grating in the width direction. And finally, the complete positioning of the grille is finished, and the grille is prevented from moving.
Specifically, as shown in fig. 7, the method further includes: and the leveling block 7 is in sliding connection with the base 1 and is used for being in butt fit with the bottom surface of the grille. And a ninth driving assembly 8, which is installed on the base 1 and is in driving connection with the leveling block 7, and is used for driving the leveling block 7 to slide, and the leveling block 7 supports the thin part of the grating thickness so as to enable the surface of the grating to be in a horizontal state. When detecting the grids with different thicknesses at two ends in the length direction, the ninth driving assembly 8 drives the leveling block 7 to move along the Z-axis direction, the thin part of the grid is jacked up, the surface of the grid is in a horizontal state, and the camera 2 can conveniently detect the grid. The ninth drive assembly 8 is a conventional linear drive assembly, and in this embodiment a cylinder is used.
Specifically, the method further comprises the following steps: the base 1 is made of granite stone. The granite stone has the advantages of fine structure and higher compressive strength, and can reduce deformation and improve detection precision.
Specifically, the method further comprises the following steps: and the bracket 9 is fixedly arranged with the base 1 and is used for supporting the base 1. The base 1 is far away from the ground, the processing surface of the base 1 is reduced, and the production cost is saved.
Specifically, the method further comprises the following steps: the buffer block is mounted on the limiting block 61 and is used for being in butt fit with the grille. The grille is protected from damage by collisions.
Principle and process of operation
Please refer to fig. 1-9, which illustrate the principles of the present invention in more detail:
before the grating is detected, the grating is firstly placed on the feeding bracket 4, after the grating is placed on the feeding bracket 4, the seventh driving component 55 drives the fourth moving block 52 to move to the edge of the grating, the sixth driving component 54 drives the pressing block 53 to move and match with the sliding component 51 to clamp the grating, the seventh driving component 55 drives the fourth moving block 52 to move the grating to the base 1, in the grating moving process, the rolling of the rollers of the transverse flow strip 511 and the longitudinal flow strip 512 can reduce the friction between the grating and the feeding bracket 4, reduce the friction between the grating and the base 1, avoid the damage of the grating in the feeding process, the edge of the grating in the length direction is abutted with the limiting block 61 along with the movement of the grating in the feeding process, the positioning of the length direction of the grating is completed, then the ninth driving component 8 drives the leveling block 7 to move along the Z-axis direction, the thin position of the grating is jacked up, the surface of the grating is in a horizontal state, so that the grating is convenient for the camera 2 to detect, the eighth driving component 63 drives the positioning block 62 to move and abut against one edge of the grating in the width direction, the other edge of the grating in the width direction abuts against the longitudinal fluent strip 512 under the action of the pushing force of the positioning block 62, the positioning in the width direction of the grating is completed, before the detection is started, the third driving component 36 drives the third moving block 33 to linearly move along the Z axis, the third moving block 33 drives the camera 2 to move close to and far away from the grating, thereby adjusting the distance between the camera 2 and the grating to complete focusing of the camera 2, the first driving component 34 drives the first moving block 31 to linearly move along the X axis to realize scanning in the length direction of the grating, the second driving component 35 drives the second moving block 32 to linearly move along the Y axis to realize scanning in the width direction of the grating, thereby completely scanning the whole surface of the grating, the fourth drive assembly 39 drives the first rotating column 37 to rotate around the X axis, the first rotating column 37 drives the third moving block 33 to rotate, the third moving block 33 drives the camera 2 to rotate, and therefore the camera 2 rotates around the X axis direction angle, the fifth drive assembly 310 drives the second rotating column 38 to rotate around the Y axis, the second rotating column 38 drives the camera 2 to rotate, and therefore the camera 2 rotates around the Y axis direction angle, the camera 2 can comprehensively scan grids at different angles, the whole process replaces the process that a human eye detects that the grids have defects, the detection accuracy is improved, and therefore the detection of the grids is completed.
In summary, when detecting the upper surface of the grating, the grating is firstly placed on the feeding bracket 4, the feeding device 5 moves the grating onto the base 1, the driving device 3 drives the camera 2 to move on the upper surface, the camera 2 scans all positions of the upper surface of the grating, the grating is moved onto the feeding bracket 4 after the scanning is finished, when detecting the lower surface of the grating, the grating is overturned, the feeding device 5 moves the grating onto the base 1, the driving device 3 drives the camera 2 to move on the lower surface, and the camera 2 scans all positions of the lower surface of the grating, including the lower surface and the welding positions of the rib plates. The detection process does not need to be judged by human eyes, the working efficiency is high, the detection accuracy is high, and the manpower use is reduced.
The present embodiment is merely illustrative of the invention and is not intended to limit the invention, and those skilled in the art, after having read the present specification, may make modifications to the embodiment without creative contribution as required, but are protected by patent laws within the protection scope of the present invention.
Claims (3)
1. Grid double-sided defect measuring device based on visual detection, characterized by comprising:
a base (1) for placing a grille;
a camera (2) movably connected with the base (1) and used for scanning a grating on the base (1);
the driving device (3) is arranged on the base (1) and is in driving connection with the camera (2) and is used for driving the camera (2) to move on the surface of the grating so as to enable the camera (2) to scan all positions on the surface of the grating;
the driving device (3) comprises:
the first moving block (31) is in sliding connection with the base (1), and the sliding direction is along a horizontal straight line;
the second moving block (32) is in sliding connection with the first moving block (31), and the sliding direction of the second moving block is perpendicular to the sliding direction of the first moving block (31) on the base (1) along the horizontal straight line direction;
the third moving block (33) is in sliding connection with the second moving block (32), the sliding direction is along the vertical direction, and the camera (2) is mounted on the third moving block (33);
the first driving assembly (34) is arranged on the base (1), is in driving connection with the first moving block (31) and is used for driving the first moving block (31) to slide;
the second driving assembly (35) is arranged on the first moving block (31), is in driving connection with the second moving block (32) and is used for driving the second moving block (32) to slide;
the third driving assembly (36) is arranged on the second moving block (32), is in driving connection with the third moving block (33) and is used for driving the third moving block (33) to slide;
the first rotating column (37) is fixedly connected with the third moving block (33), is rotationally connected with the second moving block (32), and has the same sliding direction as the second moving block (32) and is used for adjusting the shooting angle of the camera (2);
the second rotating column (38) is fixedly connected with the camera (2), is rotationally connected with the third moving block (33), and has the same rotating shaft as the sliding direction of the third moving block (33) and is used for adjusting the shooting angle of the camera (2);
the fourth driving assembly (39) is arranged on the first moving block (31), is in driving connection with the first rotating column (37) and is used for driving the first rotating column (37) to rotate;
the fifth driving assembly (310) is arranged on the third moving block (33), is in driving connection with the camera (2) and is used for driving the camera (2) to rotate;
the feeding bracket (4) is arranged with the base (1) and is used for placing the grille;
the feeding device (5) is arranged on the base (1) and is used for moving the grating of the feeding bracket (4) to the base (1);
the loading attachment (5) include:
the sliding component (51) is arranged along the horizontal plane, one side of the sliding component is installed on the feeding bracket (4), the other side of the sliding component is installed on the base (1) and is used for supporting the grating, reducing friction between the grating and the feeding bracket (4) and reducing friction between the grating and the base (1);
the fourth moving block (52) is in sliding connection with the base (1), and the sliding direction of the fourth moving block is close to or far away from the feeding bracket (4);
a pressing block (53) which is in sliding connection with the fourth moving block (52) and the sliding direction of which is close to or far from the sliding component (51);
the sixth driving assembly (54) is arranged on the fourth moving block (52), is in driving connection with the pressing block (53) and is used for driving the pressing block (53) to clamp or unclamp the grating in cooperation with the sliding assembly (51);
a seventh driving assembly (55) mounted on the base (1) and in driving connection with the fourth moving block (52), for driving the fourth moving block (52) to slide and for moving the grille in a clamped state;
the slide assembly (51) includes:
the transverse fluent strip (511) is fixedly connected with the base (1) and the feeding bracket (4) at the same time, and the length direction is the same as the sliding direction of the fourth moving block (52) and is used for abutting against the bottom surface of the grille;
the longitudinal fluent strip (512) is fixedly connected with the base (1) and the feeding bracket (4) at the same time, and the length direction is the same as the sliding direction of the fourth moving block (52) and is used for abutting against the edges of two sides of the grille;
the positioning device (6) is arranged on the base (1) and used for positioning the grille on the base (1);
the positioning device (6) comprises:
a limiting block (61) fixedly arranged on the base (1) and used for being in abutting fit with one side of the grating in the length direction;
a positioning block (62) which is connected with the base (1) in a sliding way and is in abutting fit with one side of the grating in the width direction;
and an eighth driving assembly (63) which is installed on the base (1) and is in driving connection with the positioning block (62) and is used for clamping the grating along the width direction in cooperation with the longitudinal fluent strip (512).
2. The vision-based grid double-sided defect measurement device of claim 1, further comprising:
the leveling block (7) is in sliding connection with the base (1) and is used for being in abutting fit with the bottom surface of the grille;
and the ninth driving assembly (8) is arranged on the base (1), is in driving connection with the leveling block (7) and is used for driving the leveling block (7) to slide, and the leveling block (7) supports the thin part of the grating thickness so as to enable the surface of the grating to be in a horizontal state.
3. The device for measuring double-sided defects of grids based on visual inspection according to claim 1, characterized in that the material of said base (1) is granite stone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211475528.5A CN115753799B (en) | 2022-11-23 | 2022-11-23 | Grating double-sided defect measuring device based on visual detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211475528.5A CN115753799B (en) | 2022-11-23 | 2022-11-23 | Grating double-sided defect measuring device based on visual detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115753799A CN115753799A (en) | 2023-03-07 |
| CN115753799B true CN115753799B (en) | 2023-07-07 |
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| CN202211475528.5A Active CN115753799B (en) | 2022-11-23 | 2022-11-23 | Grating double-sided defect measuring device based on visual detection |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342455A (en) * | 2018-09-18 | 2019-02-15 | 广东工业大学 | A kind of the plastic tube large area defect detecting device and its detection method of view-based access control model |
| CN113092484A (en) * | 2021-04-02 | 2021-07-09 | 杭州千岛湖瑞淳机器人研究院有限公司 | Visual detection equipment suitable for groove grids |
| CN214252057U (en) * | 2020-12-18 | 2021-09-21 | 侯春华 | Grating type polished object surface defect detection device |
| CN114235839A (en) * | 2021-12-28 | 2022-03-25 | 中核建中核燃料元件有限公司 | Automatic detection device for grid defects |
| CN216560320U (en) * | 2021-12-31 | 2022-05-17 | 梅卡曼德（北京）机器人科技有限公司 | Flatness automatic defect detection equipment based on machine vision |
| CN217372383U (en) * | 2021-12-13 | 2022-09-06 | 湖南视比特机器人有限公司 | Grid installation clamping jaw device based on visual inspection |
-
2022
- 2022-11-23 CN CN202211475528.5A patent/CN115753799B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342455A (en) * | 2018-09-18 | 2019-02-15 | 广东工业大学 | A kind of the plastic tube large area defect detecting device and its detection method of view-based access control model |
| CN214252057U (en) * | 2020-12-18 | 2021-09-21 | 侯春华 | Grating type polished object surface defect detection device |
| CN113092484A (en) * | 2021-04-02 | 2021-07-09 | 杭州千岛湖瑞淳机器人研究院有限公司 | Visual detection equipment suitable for groove grids |
| CN217372383U (en) * | 2021-12-13 | 2022-09-06 | 湖南视比特机器人有限公司 | Grid installation clamping jaw device based on visual inspection |
| CN114235839A (en) * | 2021-12-28 | 2022-03-25 | 中核建中核燃料元件有限公司 | Automatic detection device for grid defects |
| CN216560320U (en) * | 2021-12-31 | 2022-05-17 | 梅卡曼德（北京）机器人科技有限公司 | Flatness automatic defect detection equipment based on machine vision |
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| CN115753799A (en) | 2023-03-07 |
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