CN113984775A - Nut defect detection device and method based on machine vision - Google Patents
Nut defect detection device and method based on machine vision Download PDFInfo
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- CN113984775A CN113984775A CN202111265920.2A CN202111265920A CN113984775A CN 113984775 A CN113984775 A CN 113984775A CN 202111265920 A CN202111265920 A CN 202111265920A CN 113984775 A CN113984775 A CN 113984775A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000007547 defect Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 239000000428 dust Substances 0.000 claims description 90
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 230000002950 deficient Effects 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 description 6
- 239000003623 enhancer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 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
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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
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Abstract
The invention relates to a nut defect detection device and a method based on machine vision, which comprises a first bracket, wherein a second bracket is arranged on the outer wall of one side of the first bracket, a second conveying line is arranged in the second bracket, a first conveying line is arranged on the inner wall of the bottom of the first bracket, limiting assemblies are respectively arranged on the outer walls of two sides of the first bracket, a first sliding rod, a pushing assembly and a hydraulic rod are respectively arranged on the inner wall of the top of the first bracket, a lifting assembly and the pushing assembly are respectively positioned at two sides of the hydraulic rod, a cleaning assembly is arranged on the side wall of the lifting assembly, a first sliding rod and a first L-shaped fixing plate are respectively arranged on the inner walls of two sides of the first bracket, and nut detection is not required to be completed manually through the arranged first sliding rod, the hydraulic rod, a first connecting plate, a first high-definition camera, a second high-definition camera, an LED lamp, a first motor, a first electric telescopic rod and a clamping plate, meanwhile, the requirement of consistency of the detection precision and quality of the nut can be met.
Description
Technical Field
The invention relates to the technical field of nut detection, in particular to a nut defect detection device and method based on machine vision.
Background
The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and an element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal and other types according to different materials.
The existing nut quality inspection is generally finished manually, workers determine whether the nut has defects by means of observation and the like, however, the method is difficult to ensure that the detection precision and quality meet the requirement of consistency, and secondly, dust on the surface of the nut can also affect the manual detection when the nut is inspected, so that a nut defect detection device and method based on machine vision are needed.
Disclosure of Invention
The invention aims to provide a nut defect detection device and method based on machine vision, which aim to solve the problems that whether the nut has defects is generally detected manually, the detection precision and quality are difficult to ensure, and dust on the surface of the nut can influence the manual detection.
In order to achieve the purpose, the invention provides the following technical scheme: a nut defect detection device and method based on machine vision comprises a first support, wherein a second support is installed on the outer wall of one side of the first support, a second conveying line is arranged inside the second support, a first conveying line is installed on the inner wall of the bottom of the first support, limiting assemblies are installed on the outer walls of two sides of the first support respectively, a first sliding rod, a pushing assembly and a hydraulic rod are installed on the inner wall of the top of the first support respectively, the lifting assembly and the pushing assembly are located on two sides of the hydraulic rod respectively, a cleaning assembly is arranged on the side wall of the lifting assembly, a first sliding rod and a first L-shaped fixing plate are installed on the inner wall of two sides of the first support respectively, the first sliding rod is located on two sides of the first L-shaped fixing plate, a first motor is installed on the outer wall of the top of the first L-shaped fixing plate, the side wall of the first L-shaped fixing plate is penetrated by the output end of the first motor and connected with a first electric telescopic rod, one end of the first electric telescopic rod, which is far away from the first motor, is connected with a clamping plate, the side wall of the first sliding rod is provided with a first connecting plate, one end of the hydraulic rod is connected with the first connecting plate, the bottom outer wall of the first connecting plate is respectively provided with an imaging device and an LED lamp, the imaging device is positioned at one side of the LED lamp, the bottom outer wall of the first bracket is provided with a dust removal box, the dust removal box is internally provided with a dust collection assembly, the imaging device comprises a first high-definition camera, a second high-definition camera, an optical lens, a graph enhancer, a control terminal and a computer, the image enhancer is provided with an optical lens, and the image enhancer is electrically connected with the control terminal, and the control terminal is electrically connected with the computer.
Preferably, the limiting assembly comprises a T-shaped fixing plate, a fixing rod is installed on the outer wall of the top of the T-shaped fixing plate, a fixing plate is connected to the top of the fixing rod in a threaded mode, a round hole is formed in the side wall of the fixing rod, a connecting rod is arranged inside the round hole, and a limiting plate is installed at one end of the connecting rod.
Preferably, lifting unit includes threaded rod, second slide bar and second motor, the output of second motor is connected with initiative conical gear, the one end of threaded rod is run through a side wall of first support is connected with driven conical gear, just initiative conical gear with meshing connection between the driven conical gear, the threaded rod with be provided with the second mounting panel on the lateral wall of second slide bar, just clean the subassembly and be located on the top outer wall of second mounting panel.
Preferably, clean the subassembly and include the third motor, the output of third motor is connected with the action wheel, install the dwang on the bottom outer wall of second mounting panel, the one end of dwang is run through a lateral wall of second mounting panel is connected with from the driving wheel, just the action wheel through rotating the belt with be connected from the driving wheel, the dwang is kept away from the one end of following the driving wheel is connected with the brush.
Preferably, install sliding guide on the both sides inner wall of dust removal case respectively, sliding guide is connected with the fixed plate through the slider, install the mounting bracket on the top outer wall of fixed plate, install the lantern ring on the top outer wall of mounting bracket, the cover is equipped with the dust removal bag on the top outer wall of the lantern ring.
Preferably, a fixing ring is arranged on the outer wall of the top of the mounting frame, and the fixing ring is sleeved on the outer side of the dust removal bag.
Preferably, the dust absorption subassembly includes the draught fan, be connected with the dust absorption pipe on the input of draught fan, the dust absorption pipe is kept away from the one end of draught fan extends to install the dust absorption head on the top inner wall of first support, be connected with out the dirt pipe on the output of draught fan, just it keeps away from to go out the dirt pipe a terminal wall of draught fan extends to the top of dust removal bag.
Preferably, the pushing assembly comprises an electric sliding rail, the electric sliding rail is connected with a second L-shaped fixing plate through a sliding block, a second electric telescopic rod is arranged inside the second L-shaped fixing plate, and one end of the second electric telescopic rod is connected with a pushing plate.
A nut defect detection device detection method based on machine vision comprises the following steps:
s1: firstly, adjusting the distance of the limiting assembly according to the size of the nut to ensure that the nut does not deviate in the conveying process, and then placing the nut on the first conveying line for conveying;
s2: after the nut is conveyed below the cleaning assembly, the lifting assembly drives the cleaning assembly to descend, the cleaning assembly is enabled to be tightly attached to the upper portion of the nut, the cleaning assembly cleans the surface of the nut, and meanwhile, the dust collection assembly extracts cleaned dust and collects the dust extracted by the dust collection assembly through the dust collection bag;
s3: after cleaning, the first electric telescopic rod drives the clamping plate to clamp the nut, the hydraulic rod drives the first connecting plate to descend, and then whether the nut is defective or not is detected through the first high-definition camera and the second high-definition camera;
s4: after the nuts are detected, the pushing assembly drives the defective nuts on the first conveying line to the second support, and finally the defective nuts are conveyed out by the second conveying line.
The invention has the technical effects and advantages that:
1. through the first slide bar, hydraulic stem, first connecting plate, first high definition camera, second high definition camera, LED lamp, first motor, first electric telescopic handle and the grip block that sets up for the nut detects and need not be accomplished by the manual work, can ensure simultaneously that the precision and the quality that the nut detected reach the requirement of uniformity.
2. Through lifting unit, third motor, action wheel, dwang, follow driving wheel, brush, dust removal case and the dust absorption subassembly that sets up for the dust on nut surface can obtain effectual clearance, thereby avoids the dust can lead to the fact the influence to the nut detection.
3. Through the electric slide rail, second L shape fixed plate, second electric telescopic handle, catch plate, second support and the second transfer chain that set up for the screening that detects unqualified nut can be timely comes out, thereby guarantees the quality of product.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view of the first stent of the present invention.
Fig. 3 is a schematic structural view of the first electric telescopic rod of the present invention.
FIG. 4 is a schematic view of the internal structure of the dust box of the present invention.
FIG. 5 is a schematic view of the sweeping assembly of the present invention.
FIG. 6 is a schematic view of the dust collecting assembly of the present invention.
Fig. 7 is an enlarged schematic view of the present invention at a.
FIG. 8 is a schematic view of a pushing assembly according to the present invention.
Fig. 9 is a schematic view of an electrical connection structure according to the present invention.
In the figure: 1. a first bracket; 2. a second bracket; 3. a second conveyor line; 4. a first conveyor line; 5. a limiting component; 51. a T-shaped fixing plate; 52. fixing the rod; 53. fixing the disc; 54. a connecting rod; 55. a limiting plate; 6. a lifting assembly; 61. a threaded rod; 62. a second slide bar; 63. a second motor; 64. a driving bevel gear; 65. a driven bevel gear; 66. a second mounting plate; 7. a first slide bar; 8. a pushing assembly; 801. an electric slide rail; 802. a second L-shaped fixing plate; 803. a second electric telescopic rod; 804. a push plate; 9. a sweeping assembly; 91. a third motor; 92. a driving wheel; 93. rotating the rod; 94. a driven wheel; 95. a brush; 10. a hydraulic lever; 11. a first L-shaped fixing plate; 12. a first motor; 13. a first electric telescopic rod; 14. a clamping plate; 15. a first high definition camera; 16. a second high definition camera; 17. an LED lamp; 18. a dust removal box; 19. a dust collection assembly; 1901. an induced draft fan; 1902. a dust collection pipe; 1903. a dust collection head; 1904. a dust outlet pipe; 20. a sliding guide rail; 21. a fixing plate; 22. a mounting frame; 23. a dust removal bag; 24. a fixing ring; 25. a first connecting plate.
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.
The invention provides a nut defect detection device and method based on machine vision as shown in figures 1-6, which comprises a first bracket 1, wherein a second bracket 2 is arranged on the outer wall of one side of the first bracket 1, a second conveying line 3 is arranged in the second bracket 2, unqualified nuts are conveyed conveniently through the second conveying line 3 arranged in the second bracket 2, a first conveying line 4 is arranged on the inner wall of the bottom of the first bracket 1, the nuts are conveyed conveniently through the first conveying line 4 arranged on the inner wall of the bottom of the first bracket 1, the nuts are detected conveniently, and the like, a limiting component 5 is respectively arranged on the outer wall of two sides of the first bracket 1, the nuts are prevented from deviating in the conveying process through the limiting component 5, a first slide bar 7, a pushing component 8 and a hydraulic bar 10 are respectively arranged on the inner wall of the top of the first bracket 1, the lifting component 6 and the pushing component 8 are respectively positioned at two sides of the hydraulic rod 10, the cleaning component 9 is arranged on the side wall of the lifting component 6, the cleaning component 9 is driven by the lifting component 6 to descend, so that the cleaning component 9 is convenient to clean dust on the surface of the nut, a first slide bar 7 and a first L-shaped fixing plate 11 are respectively arranged on the inner walls of two sides of the first bracket 1, the first slide bar 7 is positioned at two sides of the first L-shaped fixing plate 11, a first motor 12 is arranged on the outer wall of the top of the first L-shaped fixing plate 11, the output end of the first motor 12 penetrates through one side wall of the first L-shaped fixing plate 11 and is connected with a first electric telescopic rod 13, one end of the first electric telescopic rod 13, which is far away from the first motor 12, is connected with a clamping plate 14, the clamping plate 14 is driven by the first electric telescopic rod 13 to clamp the nut, the nut is convenient to detect, and the first electric telescopic rod 13 is driven by the first motor 12 to rotate, the other end of the nut is convenient to detect, a first connecting plate 25 is arranged on the side wall of the first sliding rod 7, one end of a hydraulic rod 10 is connected with the first connecting plate 25, an imaging device and an LED lamp 17 are respectively arranged on the outer wall of the bottom of the first connecting plate 25, the nut is convenient to detect through the imaging device, whether the nut is provided with a hole or not is judged, whether the inner side of the nut is provided with a thread or not is judged, the imaging device is positioned on one side of the LED lamp 17, the nut is supplemented with light through the LED lamp 17, the detection of the imaging device is facilitated to be clearer, a dust removal box 18 is arranged on the outer wall of the bottom of the first support 1, a dust collection assembly 19 is arranged inside the dust removal box 18, cleaned dust is conveniently absorbed through the dust collection assembly 19, the dust is prevented from floating on other nuts, and the imaging device comprises a first high-definition camera 15, a second camera high-definition 16, an optical lens, a pattern enhancer, a control terminal and a computer, be provided with optical lens on the image intensifier, electric connection between image intensifier and the control terminal, electric connection between control terminal and the computer shoots the nut through first high definition camera 15 and second high definition camera 16, then through optical lens, the image intensifier makes the figure of shooing more clear, transmits the image to the computer through control terminal at last, makes things convenient for the measurement personnel to look over.
In this embodiment, spacing subassembly 5 includes T shape fixed plate 51, install dead lever 52 on the top outer wall of T shape fixed plate 51, the top threaded connection of dead lever 52 has fixed disk 53, the round hole has been seted up on the lateral wall of dead lever 52, the inside of round hole is provided with connecting rod 54, limiting plate 55 is installed to the one end of connecting rod 54, move fixed disk 53 through twisting, conveniently carry out the distance adjustment to connecting rod 54 and limiting plate 55, make the nut be the straight line and carry, when the convenience is carrying out the deashing to the nut surface, the skew takes place for the nut.
In this embodiment, lifting unit 6 includes threaded rod 61, second slide bar 62 and second motor 63, the output of second motor 63 is connected with initiative conical gear 64, one side wall that the one end of threaded rod 61 runs through first support 1 is connected with driven conical gear 65, and the meshing is connected between initiative conical gear 64 and the driven conical gear 65, be provided with second mounting panel 66 on the lateral wall of threaded rod 61 and second slide bar 62, and clean subassembly 9 and be located the top outer wall of second mounting panel 66, drive initiative conical gear 64 through second motor 63, make initiative conical gear 64 drive rather than the driven conical gear 65 that the meshing is connected, thereby make threaded rod 61 drive second mounting panel 66 and descend, conveniently clean subassembly 9 and clear up the nut.
In this embodiment, clean subassembly 9 and include third motor 91, the output of third motor 91 is connected with action wheel 92, install dwang 93 on the bottom outer wall of second mounting panel 66, a lateral wall that the one end of dwang 93 runs through second mounting panel 66 is connected with from driving wheel 94, and action wheel 92 is connected with from driving wheel 94 through rotating the belt, the dwang 93 is kept away from the one end from driving wheel 94 and is connected with brush 95, drive action wheel 92 through third motor 91, make action wheel 92 drive from driving wheel 94 through rotating the belt, thereby make dwang 93 drive brush 95 and rotate, conveniently clean the dust removal to the nut surface.
In this embodiment, install sliding guide 20 on the both sides inner wall of dust removal case 18 respectively, sliding guide 20 is connected with fixed plate 21 through the slider, install mounting bracket 22 on the top outer wall of fixed plate 21, install the lantern ring on the top outer wall of mounting bracket 22, the cover is equipped with dust removal bag 23 on the top outer wall of the lantern ring, through pulling fixed plate 21, make it pull out from dust removal case 18 under sliding guide 20's effect, thereby conveniently change and clear up dust removal bag 23, be provided with solid fixed ring 24 on the top outer wall of mounting bracket 22, and gu fixed ring 24 cup joints the outside at dust removal bag 23, be favorable to fixing dust removal bag 23, prevent that dust collection assembly 19 from blowing off dust removal bag 23 from mounting bracket 22 when discharging the dust to dust removal bag 23.
In this embodiment, the dust collection assembly 19 includes draught fan 1901, be connected with dust absorption pipe 1902 on the input of draught fan 1901, the one end that the draught fan 1901 was kept away from to dust absorption pipe 1902 extends to and installs dust absorption head 1903 on the top inner wall of first support 1, be connected with out dirt pipe 1904 on the output of draught fan 1901, and go out the top that the one end wall that dirt pipe 1904 kept away from draught fan 1901 extends to dust removal bag 23, absorb the dust that brush 95 cleaned through dust absorption pipe 1902 and the dust absorption head 1903 that connect on the draught fan 1901 input, then discharge the dust of absorbing into the inside dust removal bag 23 of dust removal case 18 through the play dirt pipe 1904 that connects on the draught fan 1901 output, thereby conveniently collect the filtration to the dust.
In this embodiment, promotion subassembly 8 includes electronic slide rail 801, electronic slide rail 801 is connected with second L shape fixed plate 802 through the slider, the inside of second L shape fixed plate 802 is provided with second electric telescopic handle 803, the one end of second electric telescopic handle 803 is connected with catch plate 804, it extends to drive catch plate 804 through second electric telescopic handle 803, make catch plate 804 hug closely the one side of nut, then drive second L shape fixed plate 802 through electronic slide rail 801, be favorable to promoting the unqualified nut to carry on the second transfer chain 3.
A nut defect detection device detection method based on machine vision comprises the following steps:
s1: firstly, adjusting the distance of the limiting component 5 according to the size of the nut to ensure that the nut cannot deviate in the conveying process, then placing the nut on the first conveying line 4 for conveying, screwing the fixed disc 53, adjusting the limiting plate 55 by prolonging the distance of the connecting rod 54 to ensure that the nut cannot deviate in the conveying process, and then placing the nut on the first conveying line 4 for conveying;
s2: after the nut is conveyed to the cleaning component 9, the lifting component 6 drives the cleaning component 9 to descend, the cleaning component 9 is enabled to be tightly attached to the upper portion of the nut, the cleaning component 9 cleans the surface of the nut, the dust collecting component 19 extracts cleaned dust while cleaning, the dust extracted by the dust collecting component 19 is collected through the dust removing bag 23, the second motor 63 drives the driving bevel gear 64, the driving bevel gear 64 drives the driven bevel gear 65 meshed with the driving bevel gear 64, the threaded rod 61 drives the second mounting plate 66 to descend, the brush 95 extends to the surface of the nut, then the third motor 91 drives the driving wheel 92, the driving wheel 92 drives the driven wheel 94 through the rotating belt, the rotating rod 93 drives the brush 95 to rotate, cleaning and dust removing are convenient for the surface of the nut, and then the draught fan 1901 sucks the cleaned dust through the dust collecting pipe 1902 and the dust collecting head 1903, finally, the dust enters the dust removal bag 23 in the dust removal box 18 through the dust outlet pipe 1904, so that the dust is conveniently collected and filtered;
s3: after cleaning, the first electric telescopic rod 13 drives the clamping plate 14 to clamp the nut, the hydraulic rod 10 drives the first connecting plate 25 to descend, then whether the nut is defective is detected through the first high-definition camera 15 and the second high-definition camera 16, the first high-definition camera 15 and the second high-definition camera 16 shoot the nut, through the optical lens, the image intensifier enables the shot image to be clearer, finally, the image is transmitted to a computer through the control terminal, so that a detector can conveniently check whether the top of the nut is provided with a hole or not, and whether threads are machined on the inner side of the nut or not;
s4: after detecting the nut, promote subassembly 8 and drive defective nut on the first transfer chain 4 and carry out the defective nut to second support 2 in, second transfer chain 3 carries out the defective nut at last, and second electric telescopic handle 803 drives the one side that pushing plate 804 extended to the nut, then electric slide rail 801 drives second L shape fixed plate 802, and the nut that will disqualified promotes to carry on the second transfer chain 3, and the nut that will be defective is carried out to last second transfer chain 3.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A nut defect detection device based on machine vision, includes first support (1), its characterized in that: a second support (2) is installed on the outer wall of one side of the first support (1), a second conveying line (3) is arranged inside the second support (2), a first conveying line (4) is installed on the inner wall of the bottom of the first support (1), limiting assemblies (5) are installed on the outer walls of the two sides of the first support (1) respectively, a first sliding rod (7), a pushing assembly (8) and a hydraulic rod (10) are installed on the inner wall of the top of the first support (1) respectively, the lifting assembly (6) and the pushing assembly (8) are located on the two sides of the hydraulic rod (10) respectively, a cleaning assembly (9) is arranged on the side wall of the lifting assembly (6), a first sliding rod (7) and a first L-shaped fixing plate (11) are installed on the inner walls of the two sides of the first support (1) respectively, and the first sliding rod (7) is located on the two sides of the first L-shaped fixing plate (11), a first motor (12) is arranged on the outer wall of the top of the first L-shaped fixing plate (11), the output end of the first motor (12) penetrates through one side wall of the first L-shaped fixing plate (11) and is connected with a first electric telescopic rod (13), one end of the first electric telescopic rod (13) far away from the first motor (12) is connected with a clamping plate (14), a first connecting plate (25) is arranged on the side wall of the first sliding rod (7), and one end of the hydraulic rod (10) is connected with the first connecting plate (25), the outer wall of the bottom of the first connecting plate (25) is respectively provided with an imaging device and an LED lamp (17), the imaging device is positioned on one side of the LED lamp (17), a dust removal box (18) is arranged on the outer wall of the bottom of the first support (1), and a dust collection assembly (19) is arranged inside the dust removal box (18);
the imaging device comprises a first high-definition camera (15), a second high-definition camera (16), an optical lens, a graph intensifier, a control terminal and a computer, wherein the optical lens is arranged on the image intensifier, the image intensifier is electrically connected with the control terminal, and the control terminal is electrically connected with the computer.
2. The nut defect detection device based on machine vision according to claim 1, characterized in that: spacing subassembly (5) include T shape fixed plate (51), install dead lever (52) on the top outer wall of T shape fixed plate (51), the top threaded connection of dead lever (52) has fixed disk (53), the round hole has been seted up on the lateral wall of dead lever (52), the inside of round hole is provided with connecting rod (54), limiting plate (55) are installed to the one end of connecting rod (54).
3. The nut defect detection device based on machine vision according to claim 1, characterized in that: lifting unit (6) include threaded rod (61), second slide bar (62) and second motor (63), the output of second motor (63) is connected with initiative conical gear (64), the one end of threaded rod (61) is run through a lateral wall of first support (1) is connected with driven conical gear (65), just initiative conical gear (64) with the meshing is connected between driven conical gear (65), threaded rod (61) with be provided with second mounting panel (66) on the lateral wall of second slide bar (62), just clean subassembly (9) and be located on the top outer wall of second mounting panel (66).
4. The nut defect detection device based on machine vision according to claim 1, characterized in that: clean subassembly (9) including third motor (91), the output of third motor (91) is connected with action wheel (92), install dwang (93) on the bottom outer wall of second mounting panel (66), the one end of dwang (93) runs through a lateral wall of second mounting panel (66) is connected with from driving wheel (94), just action wheel (92) through rotate the belt with from driving wheel (94) being connected, dwang (93) are kept away from the one end of following driving wheel (94) is connected with brush (95).
5. The nut defect detection device based on machine vision according to claim 1, characterized in that: install sliding guide (20) on the both sides inner wall of dust removal case (18) respectively, sliding guide (20) are connected with fixed plate (21) through the slider, install mounting bracket (22) on the top outer wall of fixed plate (21), install the lantern ring on the top outer wall of mounting bracket (22), the cover is equipped with dust bag (23) on the top outer wall of the lantern ring.
6. The nut defect detection device based on machine vision of claim 5, characterized in that: a fixing ring (24) is arranged on the outer wall of the top of the mounting frame (22), and the fixing ring (24) is sleeved on the outer side of the dust removal bag (23).
7. The nut defect detection device based on machine vision according to claim 1, characterized in that: dust absorption subassembly (19) are including draught fan (1901), be connected with dust absorption pipe (1902) on the input of draught fan (1901), dust absorption pipe (1902) are kept away from the one end of draught fan (1901) extends to install dust absorption head (1903) on the top inner wall of first support (1), be connected with out dirt pipe (1904) on the output of draught fan (1901), just it keeps away from to go out dirt pipe (1904) the one end wall of draught fan (1901) extends to the top of dust removal bag (23).
8. The nut defect detection device based on machine vision according to claim 1, characterized in that: the pushing assembly (8) comprises an electric sliding rail (801), the electric sliding rail (801) is connected with a second L-shaped fixing plate (802) through a sliding block, a second electric telescopic rod (803) is arranged inside the second L-shaped fixing plate (802), and one end of the second electric telescopic rod (803) is connected with a pushing plate (804).
9. The nut defect detection device detection method based on machine vision as claimed in any one of claims 1-9, characterized by comprising the following steps:
s1: firstly, adjusting the distance of the limiting assembly (5) according to the size of the nut to ensure that the nut does not deviate in the conveying process, and then placing the nut on the first conveying line (4) for conveying;
s2: after the nut is conveyed to the lower part of the cleaning component (9), the lifting component (6) drives the cleaning component (9) to descend, the cleaning component (9) is enabled to be tightly attached to the upper part of the nut, the cleaning component (9) cleans the surface of the nut, and meanwhile, the dust collection component (19) extracts the cleaned dust and collects the dust extracted by the dust collection component (19) through the dust collection bag (23);
s3: after cleaning, the first electric telescopic rod (13) drives the clamping plate (14) to clamp the nut, the hydraulic rod (10) drives the first connecting plate (25) to descend, and then whether the nut is defective or not is detected through the first high-definition camera (15) and the second high-definition camera (16);
s4: after the nuts are detected, the pushing assembly (8) drives the defective nuts on the first conveying line (4) to the second support (2), and finally the defective nuts are conveyed out by the second conveying line (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265920.2A CN113984775A (en) | 2021-10-28 | 2021-10-28 | Nut defect detection device and method based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265920.2A CN113984775A (en) | 2021-10-28 | 2021-10-28 | Nut defect detection device and method based on machine vision |
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| CN115219294A (en) * | 2022-06-27 | 2022-10-21 | 广东技术师范大学 | Aluminum profile die surface detection device |
| CN115290672A (en) * | 2022-07-29 | 2022-11-04 | 昆山鑫善水自动化科技有限公司 | Automatic visual inspection equipment for machining of precise metal parts |
| CN115808422A (en) * | 2022-11-18 | 2023-03-17 | 中国特种设备检测研究院 | Maintenance equipment for hydrogenation station |
| CN116183503A (en) * | 2023-04-28 | 2023-05-30 | 滨州学院 | Multidirectional measuring mechanism for semiconductor material device based on intelligent blanking |
| CN116559188A (en) * | 2023-06-25 | 2023-08-08 | 江花集团有限公司 | Batch detection device and method for connecting pipe nuts |
| CN117934464A (en) * | 2024-03-21 | 2024-04-26 | 温州风涌智能科技有限公司 | Defect identification method based on machine vision |
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Application publication date: 20220128 |