CN108519389B - Stamping part surface defect detection device and method based on machine vision - Google Patents
Stamping part surface defect detection device and method based on machine vision Download PDFInfo
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- CN108519389B CN108519389B CN201810281265.1A CN201810281265A CN108519389B CN 108519389 B CN108519389 B CN 108519389B CN 201810281265 A CN201810281265 A CN 201810281265A CN 108519389 B CN108519389 B CN 108519389B
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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
- 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
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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Abstract
The invention discloses a stamping part surface defect detection device and method based on machine vision, and the device comprises a shell, wherein a first sliding seat is fixedly connected to the left end of the top of an inner cavity of the shell, a first slider is connected to the outer surface of the first sliding seat in a sliding manner, a second sliding seat is fixedly connected to the bottom of the first slider, a second slider is connected to the outer surface of the second sliding seat in a sliding manner, a first electric telescopic rod is fixedly connected to the bottom of the second slider, a first supporting plate is fixedly connected to the bottom of the first electric telescopic rod, a CCD camera is fixedly connected to the middle end of the bottom of the first supporting plate, and illuminating lamps are fixedly connected to the periphery of the bottom. The invention can meet the requirement of people on the detection of the stamping part in all directions without dead angles through the actions of the first slider, the second slider, the first electric telescopic rod, the illuminating lamp, the third slider, the second electric telescopic rod, the second motor and the third electric telescopic rod, and brings great convenience to the use of people.
Description
Technical Field
The invention relates to the technical field of inspection devices, in particular to a stamping part surface defect detection device and method based on machine vision.
Background
The stamping process is a production technology for separating plates in a stamping die by means of the pressure of stamping equipment so as to obtain product parts with certain shapes and sizes, and has the characteristics of intelligence, precision, high efficiency, high speed and the like.
Disclosure of Invention
The invention aims to provide a stamping part surface defect detection device and method based on machine vision so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the stamping part surface defect detection device based on machine vision comprises a shell, wherein a first slide seat is fixedly connected to the left side of the top of an inner cavity of the shell, a first slider is connected to the outer surface of the first slide seat in a sliding manner, a second slide seat is fixedly connected to the bottom of the first slider, a second slider is connected to the outer surface of the second slide seat in a sliding manner, a first electric telescopic rod is fixedly connected to the bottom of the second slider, a first supporting plate is fixedly connected to the bottom of the first electric telescopic rod, a CCD camera is fixedly connected to the middle end of the bottom of the first supporting plate, illuminating lamps are fixedly connected to the periphery of the bottom of the first supporting plate, a third slide seat is fixedly connected to the upper end of the right side of the inner cavity of the shell, a third slider is connected to the outer surface of the third slide seat in a sliding manner, a second electric telescopic rod is fixedly connected to the, the output shaft of the second motor is fixedly connected with a second supporting plate, the left bottom of the second supporting plate is fixedly connected with a lower clamp plate, the left top end of the second supporting plate is fixedly connected with an upper clamp plate, the bottom of the upper clamp plate is fixedly connected with a third electric telescopic rod, a conveying roller is movably arranged in the inner cavity of the shell, a conveying belt is wound on the outer surface of the conveying roller, a comparison module is fixedly connected with the left end of the bottom of the inner cavity of the shell, a central processing unit is fixedly connected with the bottom of the inner cavity of the shell and positioned at the right side of the comparison module, a display, a PLC (programmable logic controller) and an alarm are fixedly connected with the left side of the shell from top to bottom, a feeding hole is formed in the upper end of the left side of the shell, a USB (universal serial bus), the lower end on the right side of the shell is provided with a discharge hole.
Preferably, the bottom of the third electric telescopic rod and the top end of the lower clamping plate are fixedly connected with rubber pads.
Preferably, all around the casing bottom all fixedly connected with supporting legs, and the bottom fixedly connected with slipmat of supporting leg.
Preferably, the joint of the first motor and the shell and the joint of the second motor and the second electric telescopic rod are fixedly connected with shock pads.
Preferably, the front surface of the shell is provided with an observation window, and the observation window is made of explosion-proof transparent toughened glass.
Preferably, the operation method comprises the following steps:
A. placing a stamping part to be detected on the surface of a conveyor belt from a feeding hole, and controlling a first motor to rotate through a PLC (programmable logic controller) so as to control a conveying roller to drive the conveyor belt to move the stamping part forwards;
B. the PLC is used for controlling the third electric telescopic rod to move downwards to clamp the stamping part, and the PLC is used for controlling the steering of the second motor, the expansion and contraction of the second electric telescopic rod and the vertical movement of the third slider;
C. the PLC is used for controlling the first slider to slide left and right, the second slider to slide back and forth and the first electric telescopic rod to move in a telescopic manner, and the lighting lamp and the CCD camera are turned on;
D. inputting the three-dimensional CAD model of the stamping part to be detected into a comparison module through a USB jack, and controlling a PLC (programmable logic controller) by the comparison module according to the three-dimensional CAD model, so that the PLC controls the step A, B, C;
E. the data detected by the CCD camera are processed by the central processing unit, the detection result is displayed in real time by the display, and when the surface of the stamping part is defective, the alarm gives an alarm.
Compared with the prior art, the invention has the following beneficial effects:
the invention has the advantages that the first slider is connected on the outer surface of the first slide carriage in a sliding way, so that the requirements of people on the left and right sliding of a CCD camera can be met, the second slider is connected on the outer surface of the second slide carriage in a sliding way, so that the requirements of people on the front and back sliding of the CCD camera can be met, the first electric telescopic rod is fixedly connected at the bottom of the second slider, so that the requirements of people on the up-and-down movement of the CCD camera can be met, the illuminating lamps are fixedly connected at the periphery of the bottom of the first supporting plate, the surface of the stamping part can be subjected to illumination treatment, the detection accuracy of the CCD camera is improved, the third slider is connected on the outer surface of the third slide carriage in a sliding way, so that the requirements of people on the up-and-down movement of the stamping part can be met, the second electric telescopic rod is fixedly connected at the left side of the third, can satisfy people to the perpendicular demand that turns to of stamping workpiece, at the bottom fixed connection of punch holder third electric telescopic handle, can satisfy people to the tight demand of clamp of unidimensional stamping workpiece, bring very big facility for people's use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first motor structure according to the present invention;
fig. 3 is a schematic diagram of the working principle of the present invention.
In the figure: the device comprises a shell, a first sliding seat, a second electric telescopic rod, a first electric telescopic rod, a lighting lamp, an upper clamping plate, a third electric telescopic rod, a second motor, a second electric telescopic rod, a second sliding seat, a third sliding seat, a conveying belt, a discharging hole, a conveying roller, a second supporting plate, a lower clamping plate, a CCD camera, a central processing unit, a supporting leg, a USB jack, a comparison module, a 24 alarm, a PLC (programmable logic controller) 25, a feeding hole, a first supporting.
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.
Referring to fig. 1-3, a stamping workpiece surface defect detection device based on machine vision comprises a housing 1, a first slide seat 2 is fixedly connected to the left end of the top of an inner cavity of the housing 1, a first slider 4 is slidably connected to the outer surface of the first slide seat 2 to meet the requirements of people on the left and right sliding of a CCD camera 19, a second slide seat 5 is fixedly connected to the bottom of the first slider 4, a second slider 3 is slidably connected to the outer surface of the second slide seat 5 to meet the requirements of people on the front and back sliding of the CCD camera 19, a first electric telescopic rod 6 is fixedly connected to the bottom of the second slider 3 to meet the requirements of people on the up and down movement of the CCD camera 19, a first support plate 27 is fixedly connected to the bottom of the first electric telescopic rod 6, a CCD camera 19 is fixedly connected to the middle end of the bottom of the first support plate 27, and illuminating lamps 7 are fixedly connected to the periphery of, the surface of the stamping part can be subjected to illumination treatment, the detection accuracy of a CCD camera 19 is improved, the upper end of the right side of the inner cavity of the shell 1 is fixedly connected with a third slide seat 12, the outer surface of the third slide seat 12 is connected with a third slider 13 in a sliding manner, the up-and-down movement requirement of people on the stamping part can be met, the left side of the third slider 13 is fixedly connected with a second electric telescopic rod 11, the horizontal extension requirement of people on the stamping part can be met, the left side of the second electric telescopic rod 11 is fixedly connected with a second motor 10, the vertical steering requirement of people on the stamping part can be met, the output shaft of the second motor 10 is fixedly connected with a second support plate 17, the bottom of the left side of the second support plate 17 is fixedly connected with a lower clamping plate 18, the top end of the left side of the second support plate 17 is fixedly connected with an upper clamping plate 8, the bottom of, brings great convenience for people, rubber pads are fixedly connected to the bottom of the third electric telescopic rod 9 and the top end of the lower clamping plate 18, a conveying roller 16 is movably installed in the inner cavity of the shell 1, a conveying belt 14 is wound on the outer surface of the conveying roller 16, a comparison module 23 is fixedly connected to the left end of the bottom of the inner cavity of the shell 1, a central processing unit 20 is fixedly connected to the bottom of the inner cavity of the shell 1 and the right side of the comparison module 23, a display 28, a PLC 25 and an alarm 24 are fixedly connected to the left side of the shell 1 from top to bottom in sequence, a feeding hole 26 is formed in the upper end of the left side of the shell 1, a USB jack 22 is formed in the lower end of the left side of the shell 1, a first motor 29 is fixedly installed at the right end of the top of the shell 1, shock-absorbing pads are fixedly connected to, and the output shaft of first motor 29 passes through belt 30 and is connected with conveying roller 16 transmission, and discharge gate 15 has been seted up to the lower extreme on casing 1 right side, the equal fixedly connected with supporting leg 21 all around of casing 1 bottom, and the bottom fixedly connected with slipmat of supporting leg 21, and the front surface of casing 1 is provided with the observation window, and the observation window is made by explosion-proof transparent toughened glass.
The operation method comprises the following steps:
A. placing a stamping part to be detected on the surface of the conveyor belt 14 from the feeding hole 26, and controlling the first motor 29 to rotate through the PLC 25 so as to control the conveying roller 16 to drive the conveyor belt 14 to move the stamping part forwards;
B. the PLC 25 is used for controlling the third electric telescopic rod 9 to move downwards to clamp the stamping part, and the PLC 25 is used for controlling the steering of the second motor 10, the expansion and contraction of the second electric telescopic rod 11 and the vertical movement of the third slider 13;
C. the PLC 25 is used for controlling the first slider 4 to slide left and right, the second slider 3 to slide back and forth and the first electric telescopic rod 6 to do telescopic motion, and the lighting lamp 7 and the CCD camera 19 are turned on;
D. inputting the three-dimensional CAD model of the stamping part to be detected into the comparison module 23 through the USB jack 22, and controlling the PLC controller 25 by the comparison module 23 according to the three-dimensional CAD model, so that the PLC controller 25 controls the step A, B, C;
E. the data detected by the CCD camera 19 is processed by the CPU 20, and the detection result is displayed in real time by the display 28, and when the surface of the stamping part is defective, the alarm 24 gives an alarm.
When the device is used, the first slider 4 is connected on the outer surface of the first slide seat 2 in a sliding manner, so that the requirement of people on the left-right sliding of the CCD camera 19 can be met, the second slider 3 is connected on the outer surface of the second slide seat 5 in a sliding manner, so that the requirement of people on the front-back sliding of the CCD camera 19 can be met, the first electric telescopic rod 6 is fixedly connected at the bottom of the second slider 3, so that the requirement of people on the up-down movement of the CCD camera 19 can be met, the illuminating lamps 7 are fixedly connected around the bottom of the first supporting plate 27, so that the illumination treatment can be carried out on the surface of the stamping part, the detection accuracy of the CCD camera 19 is improved, the third slider 13 is connected on the outer surface of the third slide seat 12 in a sliding manner, so that the up-down movement requirement of people on the stamping part can be met, the second electric telescopic rod 11 is fixedly connected on the left side of the third slider 13, so that the horizontal telescopic requirement of people, can satisfy people to the perpendicular demand that turns to of stamping workpiece, at the bottom fixed connection of punch holder 8 third electric telescopic handle 9, can satisfy people to the tight demand of clamp of unidimensional stamping workpiece not, bring very big facility for people's use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. Stamping workpiece surface defect detection device based on machine vision, including casing (1), its characterized in that: the left end of the top of the inner cavity of the shell (1) is fixedly connected with a first sliding seat (2), the outer surface of the first sliding seat (2) is connected with a first slider (4) in a sliding manner, the bottom of the first slider (4) is fixedly connected with a second sliding seat (5), the outer surface of the second sliding seat (5) is connected with a second slider (3) in a sliding manner, the bottom of the second slider (3) is fixedly connected with a first electric telescopic rod (6), the bottom of the first electric telescopic rod (6) is fixedly connected with a first supporting plate (27), the middle end of the bottom of the first supporting plate (27) is fixedly connected with a CCD camera (19), the periphery of the bottom of the first supporting plate (27) is fixedly connected with illuminating lamps (7), the upper end of the right side of the inner cavity of the shell (1) is fixedly connected with a third sliding seat (12), and the outer surface of the third sliding seat, the left side of the third slider (13) is fixedly connected with a second electric telescopic rod (11), the left side of the second electric telescopic rod (11) is fixedly connected with a second motor (10), an output shaft of the second motor (10) is fixedly connected with a second supporting plate (17), the left bottom of the second supporting plate (17) is fixedly connected with a lower clamping plate (18), the left top end of the second supporting plate (17) is fixedly connected with an upper clamping plate (8), the bottom of the upper clamping plate (8) is fixedly connected with a third electric telescopic rod (9), the inner cavity of the shell (1) is movably provided with a conveying roller (16), the outer surface of the conveying roller (16) is wound with a conveying belt (14), the left end of the inner cavity bottom of the shell (1) is fixedly connected with a comparison module (23), the bottom of the inner cavity of the shell (1) is fixedly connected with a central processing unit (20) on, a display (28), a PLC (programmable logic controller) and an alarm (24) are fixedly connected to the left side of the shell (1) from top to bottom in sequence, a feed inlet (26) is formed in the upper end of the left side of the shell (1), a USB jack (22) is formed in the lower end of the left side of the shell (1), a first motor (29) is fixedly mounted at the right end of the top of the shell (1), an output shaft of the first motor (29) is in transmission connection with a conveying roller (16) through a belt (30), and a discharge hole (15) is formed in the lower end of the right side of the shell (1); the bottom of the third electric telescopic rod (9) and the top end of the lower clamping plate (18) are fixedly connected with rubber pads; the periphery of the bottom of the shell (1) is fixedly connected with supporting legs (21), and the bottoms of the supporting legs (21) are fixedly connected with anti-skid pads; the connection part of the first motor (29) and the shell (1) and the connection part of the second motor (10) and the second electric telescopic rod (11) are fixedly connected with shock pads; an observation window is arranged on the front surface of the shell (1) and is made of explosion-proof transparent toughened glass;
the operation method of the stamping part surface defect detection device based on the machine vision comprises the following steps:
A. placing a stamping part to be detected on the surface of a conveyor belt (14) from a feeding hole (26), and controlling a first motor (29) to rotate through a PLC (programmable logic controller) (25), so as to control a conveying roller (16) to drive the conveyor belt (14) to move the stamping part forwards;
B. the PLC (25) is used for controlling the third electric telescopic rod (9) to move downwards to clamp the stamping part, and the PLC (25) is used for controlling the steering of the second motor (10), the expansion and contraction of the second electric telescopic rod (11) and the vertical movement of the third slider (13);
C. the PLC (25) is used for controlling the first slider (4) to slide left and right, the second slider (3) to slide back and forth and the first electric telescopic rod (6) to do telescopic motion, and the lighting lamp (7) and the CCD camera (19) are turned on;
D. inputting a three-dimensional CAD model of the stamping part to be detected into a comparison module (23) through a USB jack (22), and controlling a PLC (programmable logic controller) controller (25) by the comparison module (23) according to the three-dimensional CAD model, so that the PLC controller (25) controls the step A, B, C;
E. the data detected by the CCD camera (19) is processed by the central processing unit (20), the detection result is displayed in real time by the display (28), and when the surface of the stamping part is defective, the alarm (24) gives an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281265.1A CN108519389B (en) | 2018-04-02 | 2018-04-02 | Stamping part surface defect detection device and method based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810281265.1A CN108519389B (en) | 2018-04-02 | 2018-04-02 | Stamping part surface defect detection device and method based on machine vision |
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| CN108519389A CN108519389A (en) | 2018-09-11 |
| CN108519389B true CN108519389B (en) | 2020-10-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109163686B (en) * | 2018-11-27 | 2020-07-24 | 浙江中超新材料股份有限公司 | Secondary flywheel comprehensive detection tool for measuring crankshaft hole position degree |
| CN112495820A (en) * | 2020-11-30 | 2021-03-16 | 桂林电子科技大学 | Product detection device based on machine vision |
| CN118688223A (en) * | 2024-08-23 | 2024-09-24 | 仪征龙飞机械铸造有限公司 | A device for detecting defects in casting molds of press machines |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11300429A (en) * | 1998-04-16 | 1999-11-02 | Nippon Densan Kyoori Kk | Working inspection device for lead frame and its work oil removing device |
| CN102221556B (en) * | 2011-03-15 | 2012-11-14 | 中国计量学院 | Device and method for online detection on appearance defect of minitype connecting part based on machine vision |
| CN103245671B (en) * | 2013-05-09 | 2016-04-13 | 深圳先进技术研究院 | Stamping parts surface defect detection apparatus and method |
| CN107052086A (en) * | 2017-06-01 | 2017-08-18 | 扬州苏星机器人科技有限公司 | Stamping parts surface defect detection apparatus and detection method based on 3D vision |
| CN206981462U (en) * | 2017-06-01 | 2018-02-09 | 扬州苏星机器人科技有限公司 | Stamping parts surface defect detection apparatus based on 3D vision |
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