CN113447437A - Engine cylinder cover surface defect automatic detection equipment based on machine vision - Google Patents

Engine cylinder cover surface defect automatic detection equipment based on machine vision Download PDF

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Publication number
CN113447437A
CN113447437A CN202110652528.7A CN202110652528A CN113447437A CN 113447437 A CN113447437 A CN 113447437A CN 202110652528 A CN202110652528 A CN 202110652528A CN 113447437 A CN113447437 A CN 113447437A
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China
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wall
engine cylinder
cylinder cover
machine vision
shell
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Withdrawn
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CN202110652528.7A
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Chinese (zh)
Inventor
吴鹏
尹玲
张斐
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Dongguan University of Technology
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Dongguan University of Technology
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Priority to CN202110652528.7A priority Critical patent/CN113447437A/en
Publication of CN113447437A publication Critical patent/CN113447437A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N2021/0106General arrangement of respective parts
    • G01N2021/0112Apparatus in one mechanical, optical or electronic block
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8854Grading and classifying of flaws
    • G01N2021/888Marking defects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/8851Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
    • G01N2021/8887Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)

Abstract

The invention discloses automatic detection equipment for surface defects of an engine cylinder cover based on machine vision, and relates to the technical field of detection of defects of the engine cylinder cover; to solve the problem that the detection value of a specific detection point can not be detected and compared; the lifting device comprises a housing, casing top outer wall both sides are provided with two gag lever posts respectively, and four gag lever post outer wall sliding connection have same lifter plate, and casing top outer wall both sides are provided with hydraulic stem one, and the flexible end and the lifter plate of hydraulic stem one are connected, and lifter plate top outer wall four corners has the regulation pole through threaded connection. According to the invention, the lifting plate is arranged, when the engine cylinder cover moves to the bottom of the lifting plate, the hydraulic rod is controlled to extend, so that the lifting plate moves downwards, the detection rod is in contact with the surface of the cylinder cover, then the spring is compressed, the change value of each pressure sensor is recorded at the moment, and the change value is compared through the standard value in the processor, so that whether the detection part is normal or not is judged.

Description

Engine cylinder cover surface defect automatic detection equipment based on machine vision
Technical Field
The invention relates to the technical field of engine cylinder cover defect detection, in particular to automatic detection equipment for surface defects of an engine cylinder cover based on machine vision.
Background
In the prior art, the quality detection of the whole structure of the engine cylinder cover is usually finished by placing the engine cylinder cover on a guide roller and observing each processing part and each assembling part on the engine cylinder cover through naked eyes.
Through retrieval, the Chinese patent application No. 201510913729.2 discloses an automatic machine vision detection device for surface defects of an engine cylinder cover, which comprises a frame, a gripping device, a conveying unit, a vision imaging unit, an electric control unit and the like; the grabbing device is arranged at the front end and used for grabbing the engine cylinder cover from the transportation guide rail to the conveying device platform; the transmission platform is arranged on the whole machine frame, so that the cylinder cover is conveyed stably at a constant speed; the visual imaging device is arranged on the optical bracket and used for scanning the images of the cylinder cover. The machine vision automatic detection equipment device for the surface defects of the engine cylinder cover in the patent has the following defects: the cylinder cover image is scanned by the visual imaging device, but the visual imaging device cannot detect and compare the detection value of a specific detection point when the image is processed, analyzed and identified.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an automatic detection device for surface defects of an engine cylinder cover based on machine vision.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic detection device for surface defects of an engine cylinder cover based on machine vision comprises a shell, wherein two limiting rods are respectively arranged on two sides of the outer wall of the top of the shell, the outer walls of the four limiting rods are connected with a same lifting plate in a sliding mode, hydraulic rods I are arranged on two sides of the outer wall of the top of the shell, the telescopic ends of the hydraulic rods I are connected with the lifting plate, four corners of the outer wall of the top of the lifting plate are connected with adjusting rods through threads, the outer wall of each adjusting rod is connected with a same circuit board in a rotating mode, more than two fixing sleeves which are uniformly distributed are arranged on the inner wall of the top of the lifting plate, detection rods are connected on the circumferential inner wall of each fixing sleeve in a sliding mode, the bottoms of the detection rods are in a round platform shape and fixedly provided with gaskets, the gaskets are in an annular structure, a miniature camera is arranged in the middles of the gaskets, pressure sensors are fixedly arranged on the inner wall of the top of the fixing sleeves, and the detection ends of the pressure sensors are connected with the tops of the detection rods through springs, and a third transmission line is fixed on one side of the pressure sensor, the third transmission line is respectively connected with the circuit board, and a second transmission line is fixed at the signal output end of the circuit board.
Preferably: the outer wall of the top of the shell is provided with more than two groups of conveying rollers, the inner walls of two sides of the shell are connected with two sliding frames in a sliding mode, and the two sliding frames are connected through the support.
Further: each sliding frame is composed of two inclined blocks and three fixing frames, and the two inclined blocks are fixed between every two fixing frames respectively.
Further: two three mounts that correspond on the carriage rotate respectively and are connected with same jacking roller, and every jacking roller is located respectively between two transfer rollers and jacking roller and transfer roller are in same horizontal plane.
As a preferable scheme of the invention: and the outer wall of the bottom of the sliding frame is provided with a connecting plate respectively, two sides of the outer wall of the bottom of the shell are provided with a second hydraulic rod respectively, and the telescopic end of the second hydraulic rod is connected with the connecting plate.
As a further scheme of the invention: the outer walls of the two sides of the shell are respectively provided with two L-shaped limiting plates, and the limiting plates are in contact with the connecting plates.
As a still further scheme of the invention: the outer wall of casing both sides movable mounting has the fixed block respectively, and two fixed block inner walls are provided with two-way cylinder respectively, and casing both sides outer wall is provided with two mounting brackets respectively.
On the basis of the scheme: two the mount frame top outer wall rotates and is connected with the revolving stage, and the revolving stage inner wall is provided with the dwang, and two dwangs are connected with two flexible ends of two-way cylinder rotation.
On the basis of the scheme: two the dwang outer wall is provided with the even arc of more than two distributions respectively, and the arc outer wall is provided with the cushion.
On the basis of the scheme: the utility model discloses a portable lighting device, including casing, casing top outer wall, mounting panel, image acquisition probe, transmission line I, casing top outer wall both sides are provided with the light respectively, and casing one side outer wall is provided with the mounting panel, and mounting panel one side outer wall is provided with the image acquisition probe, and the image acquisition probe is connected with transmission line I.
The invention has the beneficial effects that:
1. the utility model provides an engine cylinder lid surface defect automatic checkout equipment based on machine vision, through being provided with the lifter plate, the joint has fixed sleeve on the lifter plate, be provided with pressure sensor in the fixed sleeve, pressure sensor is connected with the test bar top through the spring, when the engine cylinder lid moves the lifter plate bottom, an extension of control hydraulic stem, make the lifter plate move down, test bar and cylinder cap surface contact, then the spring is compressed, record every pressure sensor's change numerical value this moment, and compare through the standard numerical value in the treater, thereby judge that the detection position is normal or not.
2. The utility model provides an engine cylinder lid surface defect automatic checkout equipment based on machine vision, through being provided with the test bar, the test bar bottom is round platform shape and is fixed with the gasket, be provided with miniature camera in the middle of the gasket, before test bar contact cylinder cap, utilize miniature camera to detect and get for the picture, thereby record the detection position, the convenient defective position that fixes a position fast, wherein the gasket can play the guard action, prevent to leave the seal of a government organization in old china for the cylinder cap, through being provided with the circuit board, the circuit board gathers the transmission line three connection on with all pressure sensor, then give the treater with signal transmission through transmission line two.
3. The utility model provides an engine cylinder lid surface defect automatic checkout equipment based on machine vision, through being provided with the transfer roller, the transfer roller is used for transporting engine cylinder lid, be provided with three jack-up roller simultaneously, every jack-up roller is located respectively between two transfer rollers and jack-up roller and transfer roller are in same horizontal plane, before detecting, rise three jack-up roller through two hydraulic stem that set up, thereby lift up engine cylinder lid, prevent that it from removing under the rotation of transfer roller, thereby ensure to detect and can normal operating.
4. The utility model provides an engine cylinder lid surface defect automatic checkout equipment based on machine vision, through being provided with two-way cylinder, two-way cylinder's both ends are rotated respectively and are connected with two dwangs, two dwangs are located engine cylinder lid's front and back respectively, be provided with the arc that is used for intercepting engine cylinder lid on two dwangs, when needs are examined, control two-way cylinder shrink to fold two dwangs, block engine cylinder lid, be provided with the cushion simultaneously on the arc, can cushion engine cylinder lid, prevent to leave the vestige.
5. According to the automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision, the limiting plates are arranged, after detection is finished, the hydraulic rod II is controlled to lower the three jacking rollers, the connecting plate is in contact with the limiting plates at the moment, a limiting effect is achieved, the jacking rollers and the conveying rollers are ensured to be positioned on the same horizontal plane, and the engine cylinder cover can be prevented from being clamped on the conveying rollers; through being provided with light and image acquisition probe, image acquisition probe is used for gathering the image of engine cylinder lid, then transmits to the computer through transmission line one and carries out analysis and detection, and the light is used for the illumination, prevents that the image of engine cylinder lid from having the shade.
Drawings
FIG. 1 is a schematic structural diagram of a front view of an automatic detection device for surface defects of an engine cylinder head based on machine vision, which is provided by the invention;
FIG. 2 is a schematic side view of an automatic detection device for surface defects of an engine cylinder head based on machine vision according to the present invention;
FIG. 3 is a schematic structural diagram of a jacking roller of the automatic detection equipment for the surface defects of the engine cylinder cover based on machine vision;
FIG. 4 is a schematic structural diagram of a bidirectional cylinder of the automatic detection equipment for the surface defects of the engine cylinder cover based on machine vision;
FIG. 5 is a schematic structural diagram of a detection rod of the automatic detection device for the surface defects of the engine cylinder cover based on machine vision.
In the figure: the device comprises a shell, a fixed block, a sloping block, a detection rod, a lifting plate, a hydraulic rod I, a limiting rod 7, an adjusting rod 8, a transmission line I9, a mounting plate 10, an image acquisition probe 11, a circuit board 12, a hydraulic rod II 13, a limiting plate 14, a transmission roller 15, a lighting lamp 16, a transmission line II 17, a jacking roller 18, a fixed frame 19, a connecting plate 20, an arc plate 21, a rotating table 22, a bidirectional cylinder 23, a rotating rod 24, a cushion 25, an installation frame 26, a transmission line III 27, a pressure sensor 28, a spring 29, a fixed sleeve 30 and a gasket 31.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
an automatic detection device for surface defects of an engine cylinder cover based on machine vision is disclosed, as shown in figures 1 and 5, and comprises a shell 1, two limiting rods 7 are respectively clamped on two sides of the outer wall of the top of the shell 1, the outer walls of the four limiting rods 7 are slidably connected with the same lifting plate 5, hydraulic rods 6 are fixed on two sides of the outer wall of the top of the shell 1 through bolts, the telescopic ends of the hydraulic rods 6 are connected with the lifting plate 5, four corners of the outer wall of the top of the lifting plate 5 are connected with adjusting rods 8 through threads, the outer wall of each adjusting rod 8 is rotatably connected with the same circuit board 12, more than two fixing sleeves 30 which are uniformly distributed are clamped on the inner wall of the top of the lifting plate 5, the inner wall of the circumference of each fixing sleeve 30 is slidably connected with a detection rod 4, the bottom of the detection rod 4 is in a truncated cone shape and is fixed with a gasket 31, the gasket 31 is in an annular structure, a micro camera is arranged in the middle of the gasket 31, and a pressure sensor 28 is fixed on the inner wall of the top of the fixing sleeve 30, the detection end of the pressure sensor 28 is connected with the top of the detection rod 4 through a spring 29, a third transmission line 27 is fixed on one side of the pressure sensor 28, the third transmission line 27 is respectively connected with the circuit board 12, and a second transmission line 17 is fixed on the signal output end of the circuit board 12; the lifting plate 5 is arranged, the fixing sleeve 30 is clamped on the lifting plate 5, the pressure sensor 28 is arranged in the fixing sleeve 30, the pressure sensor 28 is connected with the top of the detection rod 4 through the spring 29, when the engine cylinder cover moves to the bottom of the lifting plate 5, the hydraulic rod 6 is controlled to extend, the lifting plate 5 moves downwards, the detection rod 4 is in contact with the surface of the cylinder cover, then the spring 29 is compressed, the change value of each pressure sensor 28 is recorded at the moment, and the change value is compared through the standard value in the processor, so that whether the detection part is normal or not is judged; through being provided with the test rod 4, test rod 4 bottom is round platform shape and is fixed with gasket 31, be provided with miniature camera in the middle of the gasket 31, before test rod 4 contact cylinder cap, utilize miniature camera to detect and get for, thereby record the detection site, conveniently fix a position defective part fast, wherein gasket 31 can play the guard action, prevent to leave the seal of a government organization in old china for the cylinder cap, through being provided with circuit board 12, circuit board 12 connects three 27 of transmission line on with all pressure sensor 28 and gathers, then give the treater with signal transmission through two 17 transmission lines.
In order to solve the problem of lifting an engine cylinder head; as shown in fig. 1 and 3, the outer wall of the top of the casing 1 is provided with more than two groups of conveying rollers 15, the inner walls of two sides of the casing 1 are slidably connected with two sliding frames, the two sliding frames are connected through a support, each sliding frame is respectively composed of two inclined blocks 3 and three fixed frames 19, the two inclined blocks 3 are respectively fixed between every two fixed frames 19, the corresponding three fixed frames 19 on the two sliding frames are respectively rotatably connected with the same jacking roller 18, each jacking roller 18 is respectively positioned between the two conveying rollers 15, the jacking roller 18 and the conveying rollers 15 are positioned on the same horizontal plane, the outer walls of the bottoms of the two sliding frames are respectively welded with connecting plates 20, two sides of the outer wall of the bottom of the casing 1 are respectively fixed with a second hydraulic rod 13 through bolts, the telescopic ends of the second hydraulic rods 13 are connected with the connecting plates 20, two outer walls of two sides of the casing 1 are respectively welded with two L-shaped limiting plates 14, and the limiting plates 14 are in contact with the connecting plates 20; by arranging the conveying rollers 15, the conveying rollers 15 are used for conveying an engine cylinder cover, and meanwhile, three jacking rollers 18 are arranged, each jacking roller 18 is respectively positioned between two conveying rollers 15, and the jacking rollers 18 and the conveying rollers 15 are positioned on the same horizontal plane, before detection is carried out, the three jacking rollers 18 are lifted by the arranged hydraulic rod II 13, so that the engine cylinder cover is lifted, the engine cylinder cover is prevented from moving under the rotation of the conveying rollers 15, and the normal operation of the detection is ensured; through being provided with limiting plate 14, after detecting and finishing, control hydraulic stem two 13 drops three jack-up roller 18, and connecting plate 20 contacts with limiting plate 14 this moment, plays limiting displacement, ensures that jack-up roller 18 and transfer roller 15 are in same horizontal plane, can prevent that engine cylinder lid card is on transfer roller 15.
In the embodiment, when the engine cylinder cover is used, the pressure sensors 28 are connected with the tops of the detection rods 4 through the springs 29, when the engine cylinder cover moves to the bottom of the lifting plate 5, the hydraulic rods 6 are controlled to extend, so that the lifting plate 5 moves downwards, the detection rods 4 are in contact with the surface of the cylinder cover, then the springs 29 are compressed, the change value of each pressure sensor 28 is recorded at the moment, the circuit board 12 connects and summarizes all the transmission lines III 27 on the pressure sensors 28, then signals are transmitted to the processor through the transmission lines II 17, and comparison is carried out through standard values in the processor, so that whether the detection part is normal or not is judged; after the detection is finished, the second control hydraulic rod 13 lowers the three jacking rollers 18, the connecting plate 20 is in contact with the limiting plate 14 at the moment, the limiting effect is achieved, the jacking rollers 18 and the conveying rollers 15 are ensured to be located on the same horizontal plane, and the engine cylinder cover can be prevented from being clamped on the conveying rollers 15.
Example 2:
an automatic detection device for surface defects of an engine cylinder cover based on machine vision is shown in figures 1 and 4 and aims to solve the problem of positioning the engine cylinder cover during detection; the outer walls of two sides of the shell 1 are respectively and movably provided with a fixed block 2, the inner walls of the two fixed blocks 2 are respectively clamped with a bidirectional cylinder 23, the outer walls of two sides of the shell 1 are respectively and fixedly provided with two mounting frames 26 through bolts, the outer walls of the tops of the two mounting frames 26 are rotatably connected with a rotating table 22, the inner wall of the rotating table 22 is clamped with a rotating rod 24, the two rotating rods 24 are rotatably connected with two telescopic ends of the bidirectional cylinder 23, the outer walls of the two rotating rods 24 are respectively bonded with more than two arc plates 21 which are uniformly distributed, the outer wall of each arc plate 21 is provided with a soft cushion 25, the two sides of the outer wall of the top of the shell 1 are respectively and fixedly provided with illuminating lamps 16 through bolts, the outer wall of one side of the shell 1 is fixedly provided with a mounting plate 10 through bolts, the outer wall of one side of the mounting plate 10 is provided with an image acquisition probe 11, and the image acquisition probe 11 is connected with a transmission line I9; the two-way cylinder 23 is arranged, two ends of the two-way cylinder 23 are respectively and rotatably connected with two rotating rods 24, the two rotating rods 24 are respectively positioned in front of and behind an engine cylinder cover, the two rotating rods 24 are provided with arc plates 21 used for intercepting the engine cylinder cover, when detection is needed, the two-way cylinder 23 is controlled to contract, so that the two rotating rods 24 are folded, the engine cylinder cover is intercepted, and meanwhile, the cushion 25 is arranged on the arc plates 21, so that the engine cylinder cover can be buffered, and marks are prevented from being left; by arranging the illuminating lamp 16 and the image acquisition probe 11, the image acquisition probe 11 is used for acquiring images of the engine cylinder cover and then transmitting the images to a computer through the transmission line I9 for analysis and detection, and the illuminating lamp 16 is used for illuminating to prevent the images of the engine cylinder cover from being shaded.
In the embodiment, when the bidirectional air cylinder 23 is used, two rotating rods 24 are respectively and rotatably connected to two ends of the bidirectional air cylinder 23, the two rotating rods 24 are respectively positioned in front of and behind an engine cylinder cover, the two rotating rods 24 are provided with arc plates 21 for intercepting the engine cylinder cover, when detection is needed, the bidirectional air cylinder 23 is controlled to contract, so that the two rotating rods 24 are folded, the engine cylinder cover is intercepted, and meanwhile, the arc plates 21 are provided with cushions 25 which can buffer the engine cylinder cover and prevent marks from being left; the image acquisition probe 11 is used for acquiring an image of the engine cylinder cover and then transmitting the image to a computer through a transmission line I9 for analysis and detection, and the illuminating lamp 16 is used for illuminating to prevent the image of the engine cylinder cover from being shaded.
The above description is for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents and improvements made by those skilled in the art within the spirit and scope of the present invention as disclosed herein, in combination with the prior art or common general knowledge, are intended to be included within the scope of the present invention.

Claims (10)

1. The automatic detection equipment for the surface defects of the engine cylinder cover based on machine vision comprises a shell (1) and is characterized in that two limiting rods (7) are arranged on two sides of the outer wall of the top of the shell (1) respectively, the outer walls of the four limiting rods (7) are connected with the same lifting plate (5) in a sliding mode, hydraulic rods I (6) are arranged on two sides of the outer wall of the top of the shell (1), the telescopic ends of the hydraulic rods I (6) are connected with the lifting plate (5), four corners of the outer wall of the top of the lifting plate (5) are connected with adjusting rods (8) through threads, the outer wall of each adjusting rod (8) is connected with the same circuit board (12) in a rotating mode, more than two fixing sleeves (30) which are uniformly distributed are arranged on the inner wall of the top of the lifting plate (5), detection rods (4) are connected with the inner wall of the circumference in a sliding mode, the bottoms of the detection rods (4) are in a circular truncated cone shape and are fixedly provided with gaskets (31), gasket (31) are the loop configuration, are provided with miniature camera in the middle of gasket (31), and fixed sleeve (30) top inner wall is fixed with pressure sensor (28), and the sense terminal of pressure sensor (28) is connected with measuring pole (4) top through spring (29), and pressure sensor (28) one side is fixed with transmission line three (27), and transmission line three (27) are connected with circuit board (12) respectively, and the signal output end of circuit board (12) is fixed with transmission line two (17).
2. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that more than two groups of conveying rollers (15) are arranged on the outer wall of the top of the shell (1), two sliding frames are connected to the inner walls of the two sides of the shell (1) in a sliding mode, and the two sliding frames are connected through a support.
3. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that each sliding frame is respectively composed of two inclined blocks (3) and three fixed frames (19), and the two inclined blocks (3) are respectively fixed between every two fixed frames (19).
4. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that the same jacking roller (18) is respectively and rotatably connected with three corresponding fixing frames (19) on the two sliding frames, each jacking roller (18) is respectively positioned between two conveying rollers (15), and the jacking roller (18) and the conveying rollers (15) are positioned on the same horizontal plane.
5. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that the outer walls of the bottoms of the two sliding frames are respectively provided with a connecting plate (20), two sides of the outer wall of the bottom of the shell (1) are respectively provided with a second hydraulic rod (13), and the telescopic ends of the second hydraulic rods (13) are connected with the connecting plates (20).
6. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that two L-shaped limiting plates (14) are respectively arranged on the outer walls of the two sides of the shell (1), and the limiting plates (14) are in contact with the connecting plate (20).
7. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that the outer walls of the two sides of the shell (1) are respectively and movably provided with a fixed block (2), the inner walls of the two fixed blocks (2) are respectively provided with a bidirectional cylinder (23), and the outer walls of the two sides of the shell (1) are respectively provided with two mounting frames (26).
8. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that the outer walls of the tops of the two mounting frames (26) are rotatably connected with a rotating table (22), the inner wall of the rotating table (22) is provided with a rotating rod (24), and the two rotating rods (24) are rotatably connected with the two telescopic ends of the bidirectional cylinder (23).
9. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that the outer walls of the two rotating rods (24) are respectively provided with more than two arc-shaped plates (21) which are uniformly distributed, and the outer walls of the arc-shaped plates (21) are provided with soft pads (25).
10. The automatic detection equipment for the surface defects of the engine cylinder cover based on the machine vision is characterized in that illuminating lamps (16) are respectively arranged on two sides of the outer wall of the top of the shell (1), a mounting plate (10) is arranged on the outer wall of one side of the shell (1), an image acquisition probe (11) is arranged on the outer wall of one side of the mounting plate (10), and the image acquisition probe (11) is connected with a first transmission line (9).
CN202110652528.7A 2021-06-11 2021-06-11 Engine cylinder cover surface defect automatic detection equipment based on machine vision Withdrawn CN113447437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110652528.7A CN113447437A (en) 2021-06-11 2021-06-11 Engine cylinder cover surface defect automatic detection equipment based on machine vision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110652528.7A CN113447437A (en) 2021-06-11 2021-06-11 Engine cylinder cover surface defect automatic detection equipment based on machine vision

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Publication Number Publication Date
CN113447437A true CN113447437A (en) 2021-09-28

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CN202110652528.7A Withdrawn CN113447437A (en) 2021-06-11 2021-06-11 Engine cylinder cover surface defect automatic detection equipment based on machine vision

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115931873A (en) * 2022-12-06 2023-04-07 秦皇岛艾科晟科技有限公司 Production line for machining surface of cover machine and detection process of production line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115931873A (en) * 2022-12-06 2023-04-07 秦皇岛艾科晟科技有限公司 Production line for machining surface of cover machine and detection process of production line
CN115931873B (en) * 2022-12-06 2024-03-22 秦皇岛艾科晟科技有限公司 Cover machine surface detection production line and detection process thereof

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Application publication date: 20210928