CN110412054B - Glass panel detection equipment and detection image splicing method - Google Patents
Glass panel detection equipment and detection image splicing method Download PDFInfo
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- CN110412054B CN110412054B CN201810403009.5A CN201810403009A CN110412054B CN 110412054 B CN110412054 B CN 110412054B CN 201810403009 A CN201810403009 A CN 201810403009A CN 110412054 B CN110412054 B CN 110412054B
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/958—Inspecting transparent materials or objects, e.g. windscreens
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/20—Finite element generation, e.g. wire-frame surface description, tesselation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N2021/9513—Liquid crystal panels
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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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9515—Objects of complex shape, e.g. examined with use of a surface follower device
- G01N2021/9518—Objects of complex shape, e.g. examined with use of a surface follower device using a surface follower, e.g. robot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/10—Scanning
- G01N2201/103—Scanning by mechanical motion of stage
- G01N2201/1035—3D motion
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Abstract
The invention discloses a glass panel detection device and a detection image splicing method, wherein the device comprises the following steps: the device comprises a frame, a mobile control device, a panel fixing device and three-dimensional line scanning equipment; the mobile control device controls the panel fixing device to move in a detection area of the scanning sensor on the three-dimensional line scanning equipment, and the three-dimensional line scanning equipment analyzes and processes data information, which is scanned by the scanning sensor and is related to the glass panel on the panel fixing device; the panel fixing device comprises a panel fixing clamp and a scanning positioning jig arranged on the panel fixing clamp, wherein the scanning positioning jig comprises a jig frame formed by surrounding four side frames; the plane on the jig frame opposite to the scanning sensor is a reference plane, and inclined planes opposite to the scanning sensor and a plurality of grooves are arranged on four frames or any two adjacent frames of the jig frame. Through the mode, the glass panel can be accurately detected, the structure of the panel fixing device is simplified, and the processing difficulty is reduced.
Description
Technical Field
The invention relates to the field of glass panel detection, in particular to glass panel detection equipment and a detection image splicing method.
Background
Along with the rapid development of the mobile internet industry and the rapid expansion of the markets of electronic products such as mobile phones, tablet computers and the like, glass panels for protecting display screens of the electronic products are also more and more diversified. To meet the user comfort requirements, more and more electronic products are beginning to be equipped with glass panels with curved edges. With the advent of curved display screens and the successful application of curved display screens to some mobile phones in recent years, the market for glass panels with curved edges for protecting curved display screens has also rapidly progressed. The demand for glass panels of various electronic display screens is increasing, the quality control during the processing process is also of great concern, and the defect (size) detection is a very important link.
The conventional detection platform mainly comprises a manual detection platform, and workers evaluate and measure appearance defects (sizes) and geometric dimensions of a glass panel by observing the surface of a touch screen or reading readings of the measurement instrument under various illumination conditions through measurement instruments such as a point gauge, a caliper, a reading magnifier and the like. Currently, methods for inspecting glass panels using visual inspection have also appeared. However, some current visual inspection methods have problems of low efficiency and low inspection accuracy, especially for glass panels with edges.
The traditional technology has the following technical problems:
ZL201710681350.2 discloses a device and a method for detecting a curved surface or cambered surface glass panel, but the shape of a glass panel carrying platform used by the device and the method is complex, and the processing is inconvenient. The accuracy required for processing is high, and once the accuracy of processing is slightly low, the accuracy of detecting the curved glass panel is also lowered.
Disclosure of Invention
The invention mainly solves the technical problem of providing the glass panel detection equipment, which not only can accurately detect the planar glass panel, but also can accurately detect the curved glass panel, has an accurate detection structure, simplifies the structure of the panel fixing device, and reduces the processing difficulty of the panel fixing device.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a glass panel detection apparatus including: the device comprises a frame, a mobile control device, a panel fixing device and three-dimensional line scanning equipment; the three-dimensional line scanning device and the mobile control device are both arranged on the frame, the panel fixing device is fixed on the mobile control device, the mobile control device controls the panel fixing device to move in a detection area of a scanning sensor on the three-dimensional line scanning device, and the three-dimensional line scanning device analyzes and processes data information, which is scanned by the scanning sensor and is related to a glass panel on the panel fixing device; the panel fixing device comprises a panel fixing clamp and a scanning and positioning jig arranged on the panel fixing clamp, wherein the scanning and positioning jig comprises a jig frame formed by surrounding four side frames; the jig frame is characterized in that a plane opposite to the scanning sensor on the jig frame is a reference plane, and inclined planes opposite to the scanning sensor and a plurality of grooves are formed in four side frames or any two adjacent side frames of the jig frame.
Preferably, two support plates are further arranged in the jig frame, the two support plates are respectively close to two ends of the jig frame, and the two support plates are level and lower than the jig frame.
Preferably, the length direction of the inclined plane is the same as the length direction of the corresponding frame, and the length of the inclined plane is equal to the length of the corresponding frame; the grooves are distributed along the length direction of the corresponding frame.
Preferably, the groove is a V-shaped groove or an arc-shaped groove, and the inclined surface is an inclined plane or an arc-shaped concave surface or an arc-shaped convex surface; different numerical marks are arranged on the frame corresponding to the positions of the grooves.
Preferably, the frame comprises two long frames and two short frames, and the length of the long frames is longer than that of the short frames; the grooves on the long frame are divided into two sections, and the two sections of grooves are respectively arranged close to two ends of the long frame.
Preferably, the panel fixing clamp comprises a clamp base, a vacuum adsorption device and a clamping jaw device, wherein the vacuum adsorption device and the clamping jaw device are fixed on the clamp base; the clamping jaw device is arranged corresponding to the hollow part of the jig frame and comprises two clamping jaws which are oppositely arranged to clamp the glass panel and an air cylinder for controlling the clamping jaws to move; the vacuum adsorption device is arranged between the clamping jaws.
Preferably, the two clamping jaw devices are arranged, and the movement directions of clamping jaws on the two clamping jaw devices are respectively the same as the length direction and the width direction of the glass panel; the height of the clamping jaw is higher than that of the support plate, and a clamping jaw avoiding hole is formed in the support plate at a position corresponding to the clamping jaw; the height of the adsorption fixing point on the vacuum adsorption device is flush with the support plate; the vacuum adsorption device is provided with three adsorption fixing points.
Preferably, the movement control device comprises a Y-axis movement unit, an X-axis movement unit, a Z-axis movement unit, a first rotation unit and a second rotation unit; the Y-axis movement unit is arranged on the frame, and the movement direction of the Y-axis movement unit is perpendicular to the three-dimensional line scanning equipment; the X-axis motion unit is arranged on the Y-axis motion unit, and the motion direction of the X-axis motion unit is parallel to the three-dimensional line scanning device; the Z-axis motion unit is arranged on the X-axis motion unit, and the motion direction of the X-axis motion unit is the same as the height direction of the three-dimensional line scanning device; the first rotating unit is vertically arranged on the X-axis moving unit, the second rotating unit is vertically arranged on the first rotating unit, and the first rotating unit and the second rotating unit are both in rotating motion around the axis of the first rotating unit and the second rotating unit.
Preferably, the scanning sensor is a white light confocal displacement sensor.
A detection image stitching method comprises the following steps:
a. fixedly mounting a glass panel on a panel fixing device;
b. The Y-axis movement unit, the Z-axis movement unit, the first rotation unit and the second rotation unit act to freely adjust the scanning state of the glass panel;
c. the X-axis motion unit acts to enable the three-dimensional line scanning equipment to scan and collect a plurality of pieces of 3D point cloud data, and gridding treatment is carried out on the plurality of pieces of 3D point cloud data;
d. The three-dimensional line scanning equipment performs scanning acquisition processing for a plurality of times according to the methods described in b and c, wherein the scanning states of the glass panel are different each time;
e. Splicing the plurality of data after the gridding treatment, wherein the splicing mode takes the data of the datum plane, the inclined plane and the groove plane acquired each time as a superposition splicing datum; the splicing mode can be to splice once every time one piece of gridded data is added, or to splice all pieces of data after all pieces of data are collected and gridded;
f. And comparing the spliced image with a theoretical model to generate a full-size report and a rainbow image.
The beneficial effects of the invention are as follows: the invention not only can accurately detect the planar glass panel, but also can accurately detect the curved glass panel, has accurate detection structure, simplifies the structure of the panel fixing device, and reduces the processing difficulty of the panel fixing device; the structure is simpler and the use is convenient; the method for splicing the detection images is more convenient to detect and easier to compare and splice.
Drawings
FIG. 1 is a schematic perspective view of a glass panel inspection apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a perspective view of another angle of the glass panel inspection apparatus of the present invention with the frame and three-dimensional line scanning apparatus removed;
FIG. 3 is a schematic perspective view of a panel fixing jig for a glass panel inspection apparatus according to the present invention;
FIG. 4 is a schematic perspective view of a scanning positioning fixture for a glass panel inspection apparatus according to the present invention;
fig. 5 is a schematic plan view of a scanning positioning fixture for a glass panel inspection apparatus according to the present invention.
The components in the drawings are marked as follows: 1. a frame; 2. a movement control device; 3. a panel fixing device; 4. a three-dimensional line scanning device; 50. a clamp base; 51. adsorbing the fixed point; 52. a clamping jaw; 53. a cylinder; 61. a reference surface; 62. an inclined plane; 63. a groove; 64. a clamping jaw avoiding hole; 65. a digital mark; 66. a support plate; 7. a glass panel.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 5, an embodiment of the present invention includes:
A glass panel inspection apparatus comprising: a frame 1, a movement control device 2, a panel fixing device 3 and a three-dimensional line scanning device 4; the three-dimensional line scanning device 4 and the mobile control device 2 are both arranged on the frame 1, the panel fixing device 3 is fixed on the mobile control device 2, the mobile control device 2 controls the panel fixing device 3 to move in a detection area of a scanning sensor on the three-dimensional line scanning device 4, and the three-dimensional line scanning device 4 analyzes and processes data information, which is scanned by the scanning sensor and is related to a glass panel 7 on the panel fixing device 3. The panel fixing device 3 comprises a panel fixing clamp and a scanning positioning jig arranged on the panel fixing clamp, the panel fixing clamp is used for fixing the glass panel 7, and the scanning positioning jig is a positioning reference for multiple scanning of the scanning sensor and is a basis for analyzing and processing data by the three-dimensional line scanning equipment 4.
The scanning positioning jig comprises a jig frame formed by surrounding four frames and two support plates 66 arranged in the jig frame, wherein the two support plates 66 are respectively close to two ends of the jig frame, and the two support plates 66 are flush and lower than the jig frame. The two support plates 66 can conveniently support the glass panel 7 preliminarily so as to adsorb, clamp and fix the glass panel 7 later, and prevent deformation of the glass panel 7 to a greater extent. The plane of the jig frame opposite to the scanning sensor is a reference plane 61, and inclined planes 52 opposite to the scanning sensor and a plurality of grooves 63 are arranged on four frames or any two adjacent frames of the jig frame. The groove 63 is a V-shaped groove or an arc-shaped groove, and the inclined surface 52 is an inclined plane or an arc-shaped concave surface or an arc-shaped convex surface. The structures of the groove 63 and the inclined surface 52 are not limited.
The length direction of the inclined surface 52 is the same as the length direction of the corresponding frame, and the length of the inclined surface 52 is the same as the length of the corresponding frame; the grooves 63 are distributed along the length direction of the corresponding frame; the three-dimensional line scanning apparatus 4 can be made to scan the reference surface 61, the inclined surface 52 and the groove 63 surface at any time for subsequent work.
The frames comprise two long frames and two short frames, and the length of the long frames is longer than that of the short frames; the grooves 63 on the long frame are divided into two sections, and the two sections of grooves 63 are respectively arranged close to two ends of the long frame; because the middle groove 63 is rarely or hardly used, the groove 63 is not arranged in the middle, so that the processing of the groove 63 is reduced, and the processing is simpler and the efficiency is higher.
Different digital marks 65 are arranged on the frame corresponding to the positions of the grooves 63 so as to manually perform reference positioning, and after the reference positioning, the lower scanning of the glass panel 7 can be directly started from the reference positioning point, so that the scanning of the blank positions is reduced, and the detection efficiency is improved.
The panel fixing clamp comprises a clamp base 50, and a vacuum adsorption device and a clamping jaw device which are fixed on the clamp base 50; the clamping jaw device is arranged corresponding to the hollow part of the jig frame and comprises two clamping jaws 52 which are oppositely arranged to clamp the glass panel 7 and an air cylinder 53 which controls the clamping jaws 52 to move, and the height of the clamping jaws 52 is higher than that of the support plate 66; the vacuum adsorption device is arranged between the clamping jaws 52, and the height of the adsorption fixing point 51 on the vacuum adsorption device is flush with the support plate 66.
The two clamping jaw devices are arranged, and the movement directions of the clamping jaws 52 on the two clamping jaw devices are respectively the same as the length direction and the width direction of the glass panel 7; the vacuum adsorption device is provided with three adsorption fixing points 51; when the three adsorption fixing points 51 adsorb and fix the glass panel 7, the deformation of the glass panel 7 is avoided, and the three-point fixing surface is balanced. Although the three adsorption points are distributed around the center of the clamping jaw 52 with the best fixing effect, the three adsorption points are only required to be located between the clamping jaws 52, and the central position is not limited. The support plate 66 is provided with a jaw relief hole 64 corresponding to the jaw 52 for movement of the jaw 52.
The movement control device 2 comprises a Y-axis movement unit, an X-axis movement unit, a Z-axis movement unit, a first rotation unit and a second rotation unit; the Y-axis motion unit is arranged on the frame 1, and the motion direction of the Y-axis motion unit is perpendicular to the three-dimensional line scanning device 4; the X-axis motion unit is arranged on the Y-axis motion unit, and the motion direction of the X-axis motion unit is parallel to the three-dimensional line scanning device 4; the Z-axis movement unit is arranged on the X-axis movement unit, and the movement direction of the X-axis movement unit is the same as the height direction of the three-dimensional line scanning device 4; the first rotating unit is vertically arranged on the X-axis moving unit, the second rotating unit is vertically arranged on the first rotating unit, and the first rotating unit and the second rotating unit are both in rotating motion around the axis of the first rotating unit and the second rotating unit. The Y-axis moving unit includes: the Y-axis servo motor is arranged at one end of the Y-axis base, a Y-axis screw rod driven by the Y-axis servo motor, a Y-axis screw rod nut matched with the Y-axis screw rod, a Y-axis sliding block fixedly connected with the Y-axis screw rod nut and a Y-axis encoder connected with the Y-axis screw rod. The Y-axis sliding block can linearly slide on the Y-axis base. The Y-axis encoder is connected with the Y-axis screw rod, so that the motion condition of the Y direction can be better known, and the displacement of the Y direction can be known. It will be appreciated that the X-axis motion unit and the Z-axis motion unit are similar in construction and operation principle to the Y-axis motion unit. Working principle of Y-axis motion unit: the Y-axis servo motor is started to drive the Y-axis screw rod to rotate, the Y-axis screw rod and the Y-axis screw rod nut move forwards or backwards, the Y-axis screw rod nut drives the Y-axis sliding block to move forwards or backwards correspondingly, and the Y-axis sliding block drives the X-axis base to move forwards or backwards. The first rotating unit comprises a first rotating unit base and a first direct-drive motor fixed on the first rotating unit base. The first rotating unit base is driven by the Z-axis sliding block in a straight line. The second rotating unit comprises a second rotating unit base and a second direct-drive motor fixed on the second rotating unit base. The second rotating unit base is rotationally driven by the first direct drive motor. The movement control device 2 has five degrees of freedom and can adjust the position state of the glass panel 7 in multiple directions so as to scan for multiple times.
A detection image stitching method comprises the following steps:
a. fixedly mounting a glass panel 7 on the panel fixing device 3;
b. the Y-axis movement unit, the Z-axis movement unit, the first rotation unit and the second rotation unit act to freely adjust the scanning state of the glass panel 7;
c. The X-axis motion unit acts to enable the three-dimensional line scanning equipment 4 to scan and collect a plurality of pieces of 3D point cloud data, and gridding treatment is carried out on the plurality of pieces of 3D point cloud data;
d. The three-dimensional line scanning equipment 4 performs scanning acquisition processing for a plurality of times according to the methods described in b and c, wherein the scanning states of the glass panel 7 are different each time;
e. Splicing the plurality of data after the gridding treatment, wherein the splicing mode takes the data of the datum plane 61, the inclined plane 52 and the groove 63 collected each time as a superposition splicing datum; the splicing mode can be to splice once every time one piece of gridded data is added, or to splice all pieces of data after all pieces of data are collected and gridded;
f. And comparing the spliced image with a theoretical model to generate a full-size report and a rainbow image.
The invention not only can accurately detect the planar glass panel 7, but also can accurately detect the curved glass panel 7, has accurate detection structure, simplifies the structure of the panel fixing device 3, and reduces the processing difficulty of the panel fixing device 3; the structure is simpler and the use is convenient; the method for splicing the detection images is more convenient to detect and easier to compare and splice.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (3)
1. A glass panel inspection apparatus comprising: the device comprises a frame, a mobile control device, a panel fixing device and three-dimensional line scanning equipment; the three-dimensional line scanning device and the mobile control device are both arranged on the frame, the panel fixing device is fixed on the mobile control device, the mobile control device controls the panel fixing device to move in a detection area of a scanning sensor on the three-dimensional line scanning device, and the three-dimensional line scanning device analyzes and processes data information, which is scanned by the scanning sensor and is related to a glass panel on the panel fixing device; the method is characterized in that: the panel fixing device comprises a panel fixing clamp and a scanning and positioning jig arranged on the panel fixing clamp, wherein the scanning and positioning jig comprises a jig frame formed by surrounding four side frames; the jig frame is characterized in that a plane opposite to the scanning sensor on the jig frame is a reference plane, and inclined planes opposite to the scanning sensor and a plurality of grooves are formed in four side frames or any two adjacent side frames of the jig frame; two support plates are arranged in the jig frame and are respectively close to two ends of the jig frame, and the two support plates are level and lower than the jig frame; the length direction of the inclined plane is the same as the length direction of the corresponding frame, and the length of the inclined plane is the same as the length of the corresponding frame; the grooves are distributed along the length direction of the corresponding frame; the groove is a V-shaped groove or an arc-shaped groove, and the inclined plane is an inclined plane or an arc-shaped concave surface or an arc-shaped convex surface; different digital marks are arranged at positions corresponding to the grooves on the frame; the frames comprise two long frames and two short frames, and the length of the long frames is longer than that of the short frames; the grooves on the long frame are divided into two sections, and the two sections of grooves are respectively arranged close to two ends of the long frame; the panel fixing clamp comprises a clamp base, a vacuum adsorption device and a clamping jaw device, wherein the vacuum adsorption device and the clamping jaw device are fixed on the clamp base; the clamping jaw device is arranged corresponding to the hollow part of the jig frame and comprises two clamping jaws which are oppositely arranged to clamp the glass panel and an air cylinder for controlling the clamping jaws to move; the vacuum adsorption device is arranged between the clamping jaws; the two clamping jaw devices are arranged, and the movement directions of clamping jaws on the two clamping jaw devices are respectively the same as the length direction and the width direction of the glass panel; the height of the clamping jaw is higher than that of the support plate, and a clamping jaw avoiding hole is formed in the support plate at a position corresponding to the clamping jaw; the height of the adsorption fixing point on the vacuum adsorption device is flush with the support plate; three adsorption fixing points are arranged on the vacuum adsorption device; the movement control device comprises a Y-axis movement unit, an X-axis movement unit, a Z-axis movement unit, a first rotation unit and a second rotation unit; the Y-axis movement unit is arranged on the frame, and the movement direction of the Y-axis movement unit is perpendicular to the three-dimensional line scanning equipment; the X-axis motion unit is arranged on the Y-axis motion unit, and the motion direction of the X-axis motion unit is parallel to the three-dimensional line scanning device; the Z-axis motion unit is arranged on the X-axis motion unit, and the motion direction of the X-axis motion unit is the same as the height direction of the three-dimensional line scanning device; the first rotating unit is vertically arranged on the X-axis moving unit, the second rotating unit is vertically arranged on the first rotating unit, and the first rotating unit and the second rotating unit are both in rotating motion around the axis of the first rotating unit and the second rotating unit.
2. A glass panel inspection apparatus according to claim 1, wherein: the scanning sensor is a white light confocal displacement sensor.
3. A detection image stitching method is characterized in that: a glass panel inspection apparatus employing any of the preceding claims, comprising the steps of:
a. fixedly mounting a glass panel on a panel fixing device;
b. The Y-axis movement unit, the Z-axis movement unit, the first rotation unit and the second rotation unit act to freely adjust the scanning state of the glass panel;
c. the X-axis motion unit acts to enable the three-dimensional line scanning equipment to scan and collect a plurality of pieces of 3D point cloud data, and gridding treatment is carried out on the plurality of pieces of 3D point cloud data;
d. The three-dimensional line scanning equipment performs scanning acquisition processing for a plurality of times according to the methods described in b and c, wherein the scanning states of the glass panel are different each time;
e. Splicing the plurality of data after the gridding treatment, wherein the splicing mode takes the data of the datum plane, the inclined plane and the groove plane acquired each time as a superposition splicing datum; the splicing mode can be to splice once every time one piece of gridded data is added, or to splice all pieces of data after all pieces of data are collected and gridded;
f. And comparing the spliced image with a theoretical model to generate a full-size report and a rainbow image.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403009.5A CN110412054B (en) | 2018-04-28 | 2018-04-28 | Glass panel detection equipment and detection image splicing method |
| JP2019543989A JP6797440B2 (en) | 2018-04-28 | 2018-10-09 | Glass panel detection device and detection image composition method |
| PCT/CN2018/109480 WO2019205499A1 (en) | 2018-04-28 | 2018-10-09 | Glass panel test apparatus and test image splicing method |
| KR1020197024253A KR102157365B1 (en) | 2018-04-28 | 2018-10-09 | Glass panel detection device and detection image synthesis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403009.5A CN110412054B (en) | 2018-04-28 | 2018-04-28 | Glass panel detection equipment and detection image splicing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110412054A CN110412054A (en) | 2019-11-05 |
| CN110412054B true CN110412054B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403009.5A Active CN110412054B (en) | 2018-04-28 | 2018-04-28 | Glass panel detection equipment and detection image splicing method |
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| Country | Link |
|---|---|
| JP (1) | JP6797440B2 (en) |
| KR (1) | KR102157365B1 (en) |
| CN (1) | CN110412054B (en) |
| WO (1) | WO2019205499A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307732B (en) * | 2020-02-21 | 2022-09-20 | 黎明职业大学 | A kind of image scanning detection method of carbon fiber board |
| CN111551448B (en) * | 2020-05-25 | 2022-10-21 | 彩虹集团（邵阳）特种玻璃有限公司 | Automatic positioning device and method for testing bending strength of cover plate glass |
| CN111947597A (en) * | 2020-09-15 | 2020-11-17 | 深圳市宇道机电技术有限公司 | A positioning detection mechanism |
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Also Published As
| Publication number | Publication date |
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| KR20190125973A (en) | 2019-11-07 |
| JP6797440B2 (en) | 2020-12-09 |
| WO2019205499A1 (en) | 2019-10-31 |
| CN110412054A (en) | 2019-11-05 |
| JP2020520442A (en) | 2020-07-09 |
| KR102157365B1 (en) | 2020-09-18 |
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