CN115508370A - All-round oil blanket defect detecting equipment - Google Patents

All-round oil blanket defect detecting equipment Download PDF

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Publication number
CN115508370A
CN115508370A CN202210765939.1A CN202210765939A CN115508370A CN 115508370 A CN115508370 A CN 115508370A CN 202210765939 A CN202210765939 A CN 202210765939A CN 115508370 A CN115508370 A CN 115508370A
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China
Prior art keywords
oil seal
area
light source
camera
rotary table
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Pending
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CN202210765939.1A
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Chinese (zh)
Inventor
何厚良
玄玉波
陈玫玫
王月
刘冬雪
王庆芳
张根瑞
李博洋
曹轶杰
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Jilin University
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Jilin University
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Priority to CN202210765939.1A priority Critical patent/CN115508370A/en
Publication of CN115508370A publication Critical patent/CN115508370A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • 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
    • G01N21/13—Moving of cuvettes or solid samples to or from the investigating station
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined

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  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Textile Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention relates to an omnibearing oil seal defect detection device, which comprises: the feeding area is used for conveying the oil seal to be detected to the designated position of the detection platform; an image acquisition area: the system is used for collecting an oil seal image passing through a corresponding machine position, setting different types of industrial light source combination polishing modes when different end faces are shot according to different machine positions, and uniformly projecting light onto the surface of an oil seal from different angles to enable defects of a corresponding detection face to be highlighted; controlling a treatment area: the image acquisition area is used for acquiring images of a user, and the image acquisition area is used for acquiring images of the user; a discharging area: according to the command of the control processing unit, the oil seal inspection device is used for conveying the inspected oil seal to a corresponding position; a detection platform: the platform is used for connecting the feeding area and the discharging area and completing image acquisition and processing actions. The invention achieves the advantages of simple and convenient light path and few cameras under the condition of ensuring high sensitivity and high recognition rate, and has great effect on improving the detection quality of the oil seal.

Description

All-round oil blanket defect detecting equipment
Technical Field
The invention belongs to the field of industrial detection equipment, and particularly relates to omnibearing oil seal defect detection equipment.
Background
The oil seal is a common article in life and is a key part for ensuring the sealing performance of equipment such as pipelines and valve connectors, so that the reliability of the operation of mechanical equipment can be directly influenced by the defect problem of the oil seal. The traditional oil seal defect detection method is manual quality inspection, quality inspection workers need to inspect one by one, harmful gas generated in the production process exists in a working area, the lighting condition is poor, and the body of the quality inspection workers is damaged. And the quality testing efficiency is low, the precision is poor, there is not invariable rejection standard, leak hunting and false retrieval easily, along with machine vision technical development in recent years, oil blanket defect detecting system is mature gradually, has greatly improved detection efficiency, still has some problems:
1. some defect features are not recognizable. The top structure of the oil seal is a rubber ring and a spring, and the side surface of the oil seal is made of smooth metal with an arc surface. Due to the particularity of the metal surface of the oil seal, the problem of light reflection exists, and images with uniform surface illumination and obvious defect characteristics cannot be obtained by using a traditional light path.
2. And the detection cannot be carried out in all directions. Because the oil seal defect may appear in different positions such as rubber ring department, spring department, lateral wall department, bottom, some detecting system can only detect to certain or some partial defect, can't accomplish the all-round defect detection of oil seal.
3. The use of multiple cameras or complicated optical path design. In order to achieve the detection precision, a method of increasing the number of cameras is often used in industry to achieve the purpose of detecting the sample in all directions. In order to solve the problems that arc-shaped light reflection of the metal side face of the oil seal cannot clearly appear partial color spots and scratch defects, a method for arranging structured light by using a plurality of strip-shaped light sources is often used, the light path is complex, and the cost is high.
Disclosure of Invention
The invention aims to provide omnibearing oil seal defect detection equipment, and solves the problems that omnibearing detection cannot be realized, a plurality of cameras are used and the light path is complicated in the detection process of related technologies
The present invention has been accomplished in such a manner that,
an all-round oil blanket defect detecting equipment includes:
the feeding area is used for conveying the oil seal to be detected to the designated position of the detection platform;
an image acquisition area: the system is used for acquiring an oil seal image passing through a corresponding machine position, setting different types of industrial light source combination polishing modes when different end surfaces are shot according to different machine positions, and uniformly projecting light onto the surface of the oil seal from different angles to enable defects of a corresponding detection surface to be highlighted;
controlling the treatment area: the image acquisition area is used for acquiring images of a user, and acquiring images of the user;
a discharging area: according to the command of the control processing unit, the oil seal device is used for sending the detected oil seal to a corresponding position;
a detection platform: the platform is used for connecting the feeding area and the discharging area and completing image acquisition and processing actions.
Further: the discharging area comprises a waste area and a qualified area, the waste area is used for receiving defective products, the qualified area is used for receiving qualified products, and the control processing area blows corresponding oil seals running to the discharging area into the waste area or the qualified area through the blowing device according to detection results to finish detection actions of the oil seals.
Further, the method comprises the following steps: the feeding area comprises a vibrating conveying disc and a conveying crawler belt, the oil seal to be detected can be conveyed to the detection platform at a certain interval, the detection platform is a transparent glass rotary table, the circle center of the glass rotary table is a hollow rotating bearing, the glass rotary table is driven by the hollow rotating bearing to rotate at a constant speed, the feeding area and the detection platform are arranged on the same horizontal height, and the detection platform is connected with the feeding area through the conveying crawler belt.
Further: the conveying crawler is a straight line segment, the starting end of the conveying crawler is connected with the feeding area vibration conveying disc, the tail end of the conveying crawler extends to the upper portion of the glass rotating disc and slightly hangs on the glass rotating disc without contact, the tail end of the conveying crawler is provided with a baffle, the opening and closing angle of the baffle can be controlled, the oil seal is released to the glass rotating disc at equal intervals, and the opening and closing direction of the baffle is the rotating direction of the glass rotating disc.
Further: the tail end of the conveying crawler is connected with the glass rotary table and needs to extend from the outer edge of the glass rotary table to the circle center, the extending distance is one sixth of the radius of the glass platform, the tail end of the conveying crawler controls the angle through a baffle to enable the oil seal to be stably conveyed to the appointed feeding position of the rotary table, and the baffle inclines towards the running direction of the glass rotary table.
Further: the image acquisition areas are arranged above and below the detection platform and sequentially comprise a first machine position, a second machine position and a third machine position along the rotation direction of the detection platform; the first machine position is used for detecting the defect of the top of the oil seal, the second machine position is used for detecting the defect of the side face of the oil seal, and the third machine position is used for detecting the defect of the bottom of the oil seal.
Further: the first machine station comprises a first camera, a first annular light source and a first surface light source; the first camera is arranged above the glass rotary table and is overlooked, and the lens faces towards the oil seal to be detected; the first annular light source is white, is arranged above the glass rotary table, is positioned between the first camera and the glass rotary table, and is horizontally arranged; the inner diameter of the first annular light source is larger than the maximum size of the oil seal to be measured, the light-emitting surface inclines towards the center, the inclination angle of the included angle between the light-emitting surface and the horizontal plane is 30-60 degrees, the irradiated light beam is conical, and the oil seal to be measured is positioned at the light beam convergence position; the first surface light source is white, is arranged below the glass turntable and is horizontally arranged, and the light emitting surface of the first surface light source is vertically upward and faces the first camera to provide a backlight effect.
Further: the second machine position comprises a second camera, a third camera, a fourth camera, a dome light source and a second surface light source; the dome light source is arranged right above the glass rotary table, and the distance between the dome light source and the glass rotary table is slightly larger than the height of the oil seal to be measured; the second surface light source is arranged below the glass turntable and used for illuminating the bottom of the side surface of the oil seal to be tested; the dome light source is white, the light emitting surface is vertical downwards, and when the dome light source operates, the oil seal to be detected passes through the center of the dome light source; the second camera, the third camera and the fourth camera are all horizontally placed and arranged on a horizontal plane which is at the same height with the oil seal to be measured, the lens faces towards the oil seal to be measured, and the shooting included angle of the second camera, the third camera and the fourth camera is 120 degrees.
Further: the third machine position comprises a fifth camera, a second annular light source and a third surface light source; the fifth camera is arranged below the glass turntable and is upward-looking, and the lens faces towards the oil seal to be detected; the size and the illumination angle of the second annular light source are the same as those of the first annular light source, the second annular light source is arranged below the glass turntable, the light emitting surface faces upwards, and the oil seal to be tested is positioned at the light beam convergence part; the third surface light source is white, is arranged above the glass turntable and is horizontally arranged, and the light emitting surface is vertically downward and faces the fifth camera to provide a backlight effect.
Compared with the prior art, the invention has the beneficial effects that:
the glass rotary table is used as a detection platform, the surface flatness is high, the light transmittance is good, the authenticity of optical imaging of the bottom characteristic of the oil seal can be ensured, the oil seal to be detected can finish the detection of all defects only by passing through the glass rotary table once, and other complicated mechanical devices are not needed for assistance.
In the invention, the defect detection of the omnibearing oil seal is finished by using three different machine positions and three different light paths. The light path used when detecting the side defect of the oil seal enables the side characteristic of the oil seal to be imaged clearly and has a pure detection background, the detection problems of the appearance and the surface defect of the side oil seal structure can be completed only through one machine position, the machine position does not need to be additionally arranged, and the whole number of image acquisition area equipment is simplified. The invention uses simpler and more convenient light path design on the basis of keeping imaging clear, can eliminate the influence of metal reflection on detection without building complex structured light or using devices such as a reflector, a polaroid and the like, saves cost and improves the use convenience.
Drawings
FIG. 1 is a schematic view of the overall structure of an all-directional oil seal defect detection device according to the present invention;
FIG. 2 is a schematic structural view of a loading area provided in the practice of the present invention;
FIG. 3 is a schematic view of a first machine position of an image capturing area according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a second machine position structure of an image capturing area according to an embodiment of the present invention;
fig. 5 is a schematic view of a third machine position structure of an image capturing area according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
The embodiment of the invention discloses omnibearing oil seal defect detection equipment, which comprises a feeding area 01-01, image acquisition areas 01-02 a-c, a control processing area, unloading areas 01-03 a-b and a detection platform 01-04 as shown in figure 1.
The feeding area 01-01 is arranged at the front end of the device and used for conveying the oil seal to be detected to the designated position of the detection platform 01-04; the discharging area 01-03 is arranged at the rear end of the device and used for sealing and conveying the detected oil to a corresponding position; the detection platform 01-04 is arranged between the feeding area 01-01 and the discharging area 01-03, is used for connecting the feeding area 01-01 and the discharging area 01-03, and is a platform for completing image acquisition and processing actions. Image acquisition areas 01-02 a-c are arranged above and below the detection platform 01-04 and are used for acquiring oil seal images passing through corresponding machine positions; the control processing area is used for controlling the actions of starting and stopping image acquisition, judging whether defects exist according to the images acquired by the image acquisition area, and giving out a command of kicking off or not after the defects are judged.
Specifically, as shown in fig. 2, the feeding area includes a vibrating conveyor disc 02-01, a conveyor belt 02-02, and a baffle 02-03. The detection platform 01-04 is a transparent glass rotary table 01-04a, and the center of the glass rotary table is provided with a hollow rotating bearing for driving the glass rotary table to rotate at a constant speed. The feeding area 01-01 and the detection platform 01-04 are arranged on the same horizontal height, and the detection platform 01-04 is connected with the feeding area 01-01 through the conveying crawler belt 02-02. The conveying crawler 02-02 is in a straight line segment, the initial end of the conveying crawler is connected with the feeding area vibration conveying disc 02-01, the tail end of the conveying crawler extends to the position above the glass rotating disc 01-04a, and the conveying crawler slightly hangs on the glass rotating disc 01-04a but is not contacted with the glass rotating disc. The tail end of the conveying crawler is provided with a baffle 02-03, and the opening and closing angle of the baffle can be controlled to release the oil seal to the glass rotating disc 01-04a at equal distance. The opening and closing direction of the baffle is the rotating direction of the glass turntable. When the oil seal detection device runs, the detection platform 01-04 rotates at a constant speed, the oil seals a-a to be detected are arranged into the same posture through the vibration transmission disc 02-01 and are transmitted to the transmission crawler 02-02, and the oil seals on the transmission crawler are stacked on the detection platform 01-04 at certain intervals through the baffle 02-03.
Specifically, the image acquisition areas are arranged above and below the detection platform, and a first machine position 01-02a, a second machine position 01-02b and a third machine position 01-02c are sequentially arranged along the rotation direction of the detection platform 01-04.
Specifically, as shown in fig. 3, the first station includes a first camera 03-01, a first annular light source 03-02, and a first surface light source 03-03. The first camera 03-01 is arranged above the glass rotary disc 01-04a and faces towards the oil seal a-a to be detected when viewed from top; the first annular light source 03-02 is white, is arranged above the glass turntable 01-04a, is positioned between the first camera 03-01 and the glass turntable 01-04a, and is horizontally arranged. The inner diameter of the first annular light source is larger than the maximum size of the oil seal to be measured, the light emitting surface is an inclined surface, the first annular light source inclines towards the center of the light source, the inclination angle of the first annular light source and the horizontal plane is 30-60 degrees, the irradiated light beam is conical, and the oil seal to be measured is located at the light beam convergence position. The first surface light source 03-03 is white, is arranged below the glass rotary disc 01-04a and is horizontally arranged, and the light emitting surface of the first surface light source is vertically upward and faces the first camera 03-02 to provide a backlight effect.
Specifically, as shown in fig. 4, the second camera position includes a second camera 04-01a, a third camera 04-01b, a fourth camera 04-01c, a dome light source 04-02, and a second area light source 04-03. The dome light source 04-02 is arranged above the glass rotary disc 01-04a, and the distance between the dome light source 04-02 and the glass rotary disc 01-04a is slightly larger than the height of the oil seal a-a to be detected; the second surface light source 04-03 is arranged below the glass rotary table 01-04 a; the dome light source 04-02 is white, the light emitting surface is vertical downwards, and the center of the dome light source is arranged on the running path of the oil seal to be detected; the second camera 04-01a, the third camera 04-01b and the fourth camera 04-01c are all horizontally placed and are positioned on the same horizontal plane with the oil seal a-a to be detected, the lens faces towards the oil seal a-a to be detected, and the facing angle between every two of the second camera 04-01a, the third camera 04-01b and the fourth camera 04-01c is 120 degrees. According to the invention, the dome light source is used for realizing uniform illumination on the side surface of the oil seal to be tested, so that the local highlight phenomenon is avoided; meanwhile, the second surface light source 04-03 is matched below the oil seal, so that the bottom edge of the oil seal is illuminated, and the defect that the bottom edge is covered due to shadow is avoided.
Specifically, as shown in fig. 5, the third machine position includes a fifth camera 05-01, a second ring-shaped light source 05-02, and a third surface light source 05-03. The fifth camera 05-01 is arranged below the glass rotary table 01-04a and is upward, and a lens faces towards the oil seal to be detected; the size and the illumination angle of the second annular light source 05-02 are the same as those of the first annular light source, the second annular light source is arranged below the glass rotary table 01-04a, the light emitting surface faces upwards, and the oil seal a-a to be detected is positioned at the light beam convergence position; the third surface light source 05-03 is white, is arranged above the glass rotary disc 01-04a and is horizontally arranged, and the light emitting surface of the third surface light source faces downwards vertically to the fifth camera 05-01 to provide a backlight effect.
According to the invention, the top defect of the oil seal is detected through the first machine position 01-02a, the side defect of the oil seal is detected through the second machine position 01-02b, and the bottom defect of the oil seal is detected through the third machine position 01-02c, meanwhile, the glass rotary table 01-04a with high surface flatness and good light transmittance is used, so that the imaging quality of the oil seal to be detected can be ensured, the oil seal to be detected can be detected at all parts only through one time of the glass rotary table, and no other complicated mechanical device is needed for assistance.
Specifically, as shown in fig. 1, the discharge area includes a reject area 01-03a for receiving defective products and a good area 01-03b for receiving good products, and the reject area 0 is used for receiving defective products. When the oil seal detection device runs, the oil seal rotates on a detection platform 01-04 at a constant speed, reaches an image acquisition area 01-02 a-c, sequentially passes through a first machine position 01-02a, a second machine position 01-02b and a third machine position 01-02c of the image acquisition area, and shoots an oil seal image corresponding to a camera; the control processing area processes the acquired images in real time to obtain a detection result; and the control processing area blows the corresponding oil seal running to the discharging area into the waste area 01-03a or the qualified area 01-03b according to the detection result, and completes the detection action of one oil seal.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (9)

1. The utility model provides an all-round oil blanket defect detecting equipment which characterized in that includes:
the feeding area is used for conveying the oil seal to be detected to the designated position of the detection platform;
an image acquisition area: the system is used for collecting an oil seal image passing through a corresponding machine position, setting different types of industrial light source combination polishing modes when different end faces are shot according to different machine positions, and uniformly projecting light onto the surface of an oil seal from different angles to enable defects of a corresponding detection face to be highlighted;
controlling a treatment area: the image acquisition area is used for acquiring images of a user, and the image acquisition area is used for acquiring images of the user;
a discharging area: according to the command of the control processing unit, the oil seal device is used for sending the detected oil seal to a corresponding position;
a detection platform: the platform is used for connecting the feeding area and the discharging area and completing image acquisition and processing actions.
2. The apparatus of claim 1, wherein: the discharging area comprises a waste area and a qualified area, the waste area is used for receiving defective products, the qualified area is used for receiving qualified products, and the control processing area blows corresponding oil seals running to the discharging area into the waste area or the qualified area through the blowing device according to detection results to finish detection actions of the oil seals.
3. The apparatus of claim 1, wherein: the feeding area comprises a vibrating conveying disc and a conveying crawler belt, the oil seal to be detected can be conveyed to the detection platform at a certain interval, the detection platform is a transparent glass rotary table, the circle center of the glass rotary table is a hollow rotating bearing, the glass rotary table is driven by the hollow rotating bearing to rotate at a constant speed, the feeding area and the detection platform are arranged on the same horizontal height, and the detection platform is connected with the feeding area through the conveying crawler belt.
4. The apparatus of claim 3, wherein: the conveying crawler belt is a straight line segment, the starting end of the conveying crawler belt is connected with the vibration conveying disc of the feeding area, the tail end of the conveying crawler belt extends to the upper portion of the glass rotary disc, the conveying crawler belt slightly hangs on the glass rotary disc but does not contact with the glass rotary disc, the tail end of the conveying crawler belt is provided with a baffle, the opening and closing angle of the baffle can be controlled, an oil seal is released to the glass rotary disc equidistantly, and the opening and closing direction of the baffle is the rotating direction of the glass rotary disc.
5. The apparatus of claim 4, wherein: the tail end of the conveying crawler is connected with the glass rotary table, the conveying crawler needs to extend from the outer edge of the glass rotary table to the circle center, the extending distance is one sixth of the radius of the glass platform, the tail end of the conveying crawler enables an oil seal to be stably conveyed to a specified feeding position of the rotary table through a baffle plate for controlling the angle, and the baffle plate inclines towards the running direction of the glass rotary table.
6. The apparatus of claim 1, wherein: the image acquisition areas are arranged above and below the detection platform and sequentially comprise a first machine position, a second machine position and a third machine position along the rotation direction of the detection platform; the first machine position is used for detecting defects on the top of the oil seal, the second machine position is used for detecting defects on the side face of the oil seal, and the third machine position is used for detecting defects on the bottom of the oil seal.
7. The apparatus of claim 6, wherein: the first machine station comprises a first camera, a first annular light source and a first surface light source; the first camera is arranged above the glass rotary table and is overlooked, and the lens faces towards the oil seal to be detected; the first annular light source is white, is arranged above the glass rotary table, is positioned between the first camera and the glass rotary table, and is horizontally arranged; the inner diameter of the first annular light source is larger than the maximum size of the oil seal to be measured, the light-emitting surface inclines towards the center, the inclination angle of the included angle between the light-emitting surface and the horizontal plane is 30-60 degrees, the irradiated light beam is conical, and the oil seal to be measured is positioned at the light beam convergence position; the first surface light source is white, is arranged below the glass turntable and is horizontally arranged, and the light emitting surface is vertically upward and faces the first camera to provide a backlight effect.
8. The image acquisition zone of claim 6, wherein the second position comprises a second camera, a third camera, a fourth camera, a dome light source, a second area light source; the dome light source is arranged right above the glass rotary table, and the distance between the dome light source and the glass rotary table is slightly larger than the height of the oil seal to be measured; the second surface light source is arranged below the glass turntable and used for illuminating the bottom of the side surface of the oil seal to be tested; the dome light source is white, the light emitting surface is vertical downwards, and when the dome light source runs, the oil seal to be detected passes through the center of the dome light source; the second camera, the third camera and the fourth camera are all horizontally placed and arranged on a horizontal plane which is at the same height with the oil seal to be measured, the lens faces towards the oil seal to be measured, and the shooting included angle of the second camera, the third camera and the fourth camera is 120 degrees.
9. The image capture area of claim 6, wherein: the third machine position comprises a fifth camera, a second annular light source and a third surface light source; the fifth camera is arranged below the glass turntable and is upward-looking, and a lens faces towards the oil seal to be detected; the size and the illumination angle of the second annular light source are the same as those of the first annular light source, the second annular light source is arranged below the glass rotary table, the light emitting surface faces upwards, and the oil seal to be detected is positioned at the light beam convergence position; the third surface light source is white, is arranged above the glass turntable and is horizontally arranged, and the light emitting surface is vertically downward and faces the fifth camera to provide a backlight effect.
CN202210765939.1A 2022-06-30 2022-06-30 All-round oil blanket defect detecting equipment Pending CN115508370A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210765939.1A CN115508370A (en) 2022-06-30 2022-06-30 All-round oil blanket defect detecting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210765939.1A CN115508370A (en) 2022-06-30 2022-06-30 All-round oil blanket defect detecting equipment

Publications (1)

Publication Number Publication Date
CN115508370A true CN115508370A (en) 2022-12-23

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ID=84502274

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Application Number Title Priority Date Filing Date
CN202210765939.1A Pending CN115508370A (en) 2022-06-30 2022-06-30 All-round oil blanket defect detecting equipment

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Country Link
CN (1) CN115508370A (en)

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