CN108731615B - Equipment and method for detecting curved glass panel - Google Patents
Equipment and method for detecting curved glass panel Download PDFInfo
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- CN108731615B CN108731615B CN201810226342.3A CN201810226342A CN108731615B CN 108731615 B CN108731615 B CN 108731615B CN 201810226342 A CN201810226342 A CN 201810226342A CN 108731615 B CN108731615 B CN 108731615B
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- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The invention relates to a device for detecting a curved glass panel, comprising: a frame; the motion control device is fixed on the rack; a glass panel stage controlled by the motion control device; the glass panel carrying platform comprises a glass panel fixing base and a glass panel scanning and positioning auxiliary jig; the glass panel fixing base is used for fixing a glass panel; the auxiliary jig for scanning and positioning the glass panel is in a square shape and surrounds the glass panel fixed on the glass panel fixing base. Also relates to a detection method. The equipment and the method for detecting the curved glass panel have the advantages that the overall processing precision requirement is reduced, so that the detection precision of the curved glass panel is not reduced due to the processing precision.
Description
Technical Field
The present invention relates to a glass panel, and more particularly, to an apparatus and a method for inspecting a curved glass panel.
Background
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 comfort requirements of users, more and more electronic products are being equipped with glass panels with curved edges. With the advent of curved display screens and successful application to some mobile phones in recent years, the market for curved glass panels for protecting curved screens has also developed rapidly. The demand of various electronic display screen glass panels is increasing day by day, the quality control in the processing process is concerned, and the defect (size) detection is a very important link.
Most of the conventional inspection platforms are mainly manual inspection platforms, and workers use measurement instruments such as point gauges, calipers, reading magnifiers and the like to evaluate and measure the appearance defects (sizes) and the geometric sizes of the glass panels by observing the surfaces of touch screens or reading the readings of the measurement instruments with naked eyes under various illumination conditions. Currently, some methods for inspecting glass panels by visual inspection have also appeared. However, some current visual inspection methods have the problems of low efficiency and low inspection accuracy, especially for glass panels with curved edges.
The traditional technology has the following technical problems:
ZL201710681350.2 discloses a curved surface or cambered surface glass panel detection device and method, but the shape of the glass panel carrying platform used by the device and the method is complicated, and the processing is inconvenient. The precision required for the processing is high, and the precision of the processing is slightly lowered, so that the precision of the detection of the curved glass panel is also lowered.
Disclosure of Invention
In view of the above, it is desirable to provide a curved glass panel detection apparatus and method that can reduce the overall processing accuracy requirement and prevent the accuracy of detection of a curved glass panel from being reduced due to the processing accuracy.
An apparatus for inspecting a curved glass panel, comprising:
a frame;
a motion control device secured to the frame, the motion control device comprising:
the Y-axis movement unit includes: the device comprises a Y-axis motion unit base, a Y-axis servo motor arranged at one end of the Y-axis motion unit 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 slides linearly on the Y-axis moving unit base;
the X-axis motion unit includes: the X-axis linear motor is arranged in the X-axis motion unit base; wherein the X-axis slider slides linearly on the X-axis motion unit base; the X-axis motion unit base is driven linearly by the Y-axis slide block; the Y-axis motion unit base is vertical to the X-axis motion unit base;
the Z-axis motion unit includes: the device comprises a Z-axis motion unit base, a Z-axis servo motor arranged at one end of the Z-axis motion unit base, a Z-axis screw rod driven by the Z-axis servo motor, a Z-axis screw rod nut matched with the Z-axis screw rod, and a Z-axis sliding block fixedly connected with the Z-axis screw rod nut; wherein the Z-axis slider slides on the Z-axis motion unit base straight line; the Z-axis motion unit base is driven linearly by the X-axis slide block; the Z-axis motion unit base is vertical to the X-axis motion unit base;
the first rotating unit includes: the direct-drive motor comprises a first rotating unit base and a first DD direct-drive motor fixed on the first rotating unit base; the first rotating unit base is linearly driven by the Z-axis slider; and
the second rotating unit includes: a second rotating unit base and a second DD direct drive motor fixed on the second rotating unit base; the second rotating unit base is rotationally driven by the first DD direct drive motor;
a glass panel stage controlled by the motion control device; the glass panel carrying platform comprises a glass panel fixing base and a glass panel scanning and positioning auxiliary jig; the glass panel fixing base is used for fixing a glass panel; the auxiliary jig for scanning and positioning the glass panel is in a square shape and surrounds the glass panel fixed on the glass panel fixing base; the auxiliary jig for scanning and positioning the glass panel comprises a first frame, a second frame, a third frame and a fourth frame; the first frame and the second frame are oppositely arranged; the third frame and the fourth frame are arranged oppositely and symmetrically and respectively comprise a first horizontal plane and a first inclined plane; the angle formed by the intersection of the first horizontal plane and the first inclined plane forms an obtuse angle; the first horizontal plane is provided with N identical V-shaped grooves, and N is a positive integer greater than or equal to 2; the V-shaped groove comprises a V-shaped groove first inclined surface and a V-shaped groove second inclined surface;
and
the three-dimensional line scanning equipment is fixed on the rack.
In another embodiment, the three-dimensional line scanning device comprises a three-dimensional line scanning sensor holder and a three-dimensional line scanning sensor fixed on the three-dimensional line scanning sensor holder.
In another embodiment, the Z-axis movement unit further includes: and the Z-axis encoder is connected with the Z-axis lead screw.
In another embodiment, the motion control device further comprises: a glass panel stage mounting base; the glass panel carrier mounting base is rotationally driven by the second DD direct drive motor.
In another embodiment, the motion control device further comprises: a Y-axis movement unit support device; the Y-axis movement unit supporting device comprises a Y-axis movement unit sliding block fixedly connected with the X-axis movement unit base and a Y-axis movement unit sliding rail matched with the Y-axis movement unit sliding block.
In another embodiment, the number of the V-shaped grooves is 26.
In another embodiment, the V-grooves are equally spaced.
In another embodiment, the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove are symmetrically distributed.
The utility model provides a glass panels scanning location auxiliary fixture, includes: the first frame, the second frame, the third frame and the fourth frame; the first frame and the second frame are oppositely arranged; the third frame and the fourth frame are arranged oppositely and symmetrically and respectively comprise a first horizontal plane and a first inclined plane; the angle formed by the intersection of the first horizontal plane and the first inclined plane forms an obtuse angle; the first horizontal plane is provided with N identical V-shaped grooves, and N is a positive integer greater than or equal to 2; the V-shaped groove comprises a V-shaped groove first inclined plane and a V-shaped groove second inclined plane.
In another embodiment, the number of the V-shaped grooves is 26.
In another embodiment, the V-grooves are equally spaced.
In another embodiment, the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove are symmetrically distributed.
A method for inspecting a curved glass panel, using any of the above-described inspection apparatuses for a curved glass panel, comprising:
fixing the glass panel by using the glass panel fixing base;
the motion control device moves the glass panel carrying platform to a detection area of the three-dimensional line scanning equipment;
the motion control device moves the glass panel carrying platform for a plurality of times so that the three-dimensional line scanning equipment acquires a plurality of times of data, wherein the plurality of times of data at least cover the glass panel carrying platform;
splicing the multiple data acquired by the three-dimensional line scanning equipment to obtain a complete image comprising the glass panel carrying platform and the glass panel, wherein the following rules are adopted during splicing, and the following constraints are adopted for any two data in the multiple data: the first level comprised by one datum coincides with the first level comprised by the other datum; the first slope included in one datum coincides with the first slope included in the other datum; the second inclined plane of the V-shaped groove contained in one datum is superposed with the second inclined plane of the V-shaped groove contained in the other datum;
and comparing the complete image of the glass panel with the standard image of the glass panel.
The equipment and the method for detecting the curved glass panel have the advantages that the overall processing precision requirement is reduced, so that the detection precision of the curved glass panel is not reduced due to the processing precision.
Drawings
Fig. 1 is a schematic structural diagram of a motion control device in an apparatus for detecting a curved glass panel according to an embodiment of the present application (where a glass panel carrier and a glass panel are also shown in the figure).
Fig. 2 is a second schematic structural diagram of a motion control device in an apparatus for detecting a curved glass panel according to an embodiment of the present application (where a glass panel stage and a glass panel are also shown in the second schematic structural diagram).
Fig. 3 is a schematic structural diagram of an apparatus for detecting a curved glass panel according to an embodiment of the present application.
Fig. 4 is a schematic structural view of a glass panel scanning and positioning auxiliary fixture in an apparatus for detecting a curved glass panel according to an embodiment of the present application.
Fig. 5 is a plan view of an apparatus for inspecting a curved glass panel according to an embodiment of the present application.
Fig. 6 is an enlarged schematic view of fig. 5 at circle.
Fig. 7 is a schematic flowchart of a method for detecting a curved glass panel according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 6, an apparatus for inspecting a curved glass panel includes: a frame 100; the motion control device is fixed on the rack; a glass panel stage controlled by the motion control device; and the three-dimensional line scanning equipment is fixed on the rack.
The motion control device includes: the device comprises a Y-axis motion unit, an X-axis motion unit, a Z-axis motion unit, a first rotation unit and a second rotation unit.
The Y-axis movement unit includes: the Y-axis motion unit comprises a Y-axis motion unit base 211, a Y-axis servo motor 212 installed at one end of the Y-axis motion unit base, a Y-axis lead screw driven by the Y-axis servo motor, a Y-axis lead screw nut matched with the Y-axis lead screw, a Y-axis sliding block fixedly connected with the Y-axis lead screw nut, and a Y-axis encoder connected with the Y-axis lead screw. Wherein the Y-axis slider linearly slides on the Y-axis moving unit base.
The working principle of the Y-axis motion unit is as follows:
and starting a Y-axis servo motor to drive a Y-axis screw rod to rotate, enabling the Y-axis screw rod and the Y-axis screw rod nut to move forwards or backwards, enabling the Y-axis screw rod nut to drive a Y-axis sliding block to correspondingly move forwards or backwards, and enabling the Y-axis sliding block to drive an X-axis moving unit base to move forwards or backwards. It is to be understood that the operating principle of the Z-axis moving unit described later is similar to that of the Y-axis moving unit.
The combination of the Y-axis servo motor, the Y-axis screw rod and the Y-axis screw rod nut is used as the linear driving device to drive the Y-axis sliding block, instead of the combination of the linear motor and the driving rod to drive the Y-axis sliding block, the size of the linear driving device can be reduced, and the control precision is higher. It will be appreciated that the linear driving mechanism of the Z-axis movement unit and the linear driving mechanism of the Y-axis movement unit, which will be described later, are similar in reason.
An encoder is a device that compiles, converts, and formats signals (e.g., bitstreams) or data into a form of signals that can be communicated, transmitted, and stored. The encoder may convert the angular displacement into an electrical signal.
In this embodiment, be connected through Y axle encoder and Y axle lead screw, the motion condition of knowing Y direction that can be better knows the displacement size of Y direction.
It is understood that, for the readout mode, the Y-axis encoder in the present embodiment may be a contact encoder or a non-contact encoder. In principle, the Y-axis encoder in the present embodiment may be an incremental encoder or an absolute encoder. The encoder can be both incremental and absolute, according to the principle of operation.
The X-axis motion unit includes: an X-axis motion unit base 221, an X-axis linear motor disposed in the X-axis motion unit base, and an X-axis slider of the X-axis linear motor. Wherein the X-axis slider slides linearly on the X-axis moving unit base. The X-axis moving unit base is linearly driven by the Y-axis slider. The Y-axis movement unit base is perpendicular to the X-axis movement unit base.
The Z-axis motion unit includes: the Z-axis motion unit comprises a Z-axis motion unit base 231, a Z-axis servo motor arranged at one end of the Z-axis motion unit base, a Z-axis lead screw driven by the Z-axis servo motor, a Z-axis lead screw nut matched with the Z-axis lead screw, and a Z-axis sliding block fixedly connected with the Z-axis lead screw nut. Wherein the Z-axis slider slides on a Z-axis moving unit base straight line. The Z-axis moving unit base is linearly driven by the X-axis slider. The Z-axis moving unit base is perpendicular to the X-axis moving unit base.
The first rotating unit includes: a first rotary unit base 241 and a first DD direct drive motor 242 fixed thereto. The first rotary unit base is linearly driven by the Z-axis slider.
The second rotating unit includes: a second rotary unit base 251 and a second DD direct drive motor 252 fixed thereto. The second rotary unit base is rotationally driven by the first DD direct drive motor.
Unlike conventional motors, the large torque of the direct drive motor allows it to be directly connected to a motion device, thereby eliminating connection mechanisms such as a reducer, a gear box, a pulley, etc., and thus it will be referred to as a direct drive motor.
Because the motor is generally provided with a high-resolution encoder, the product can achieve one-level higher precision than the common servo. And because of adopting the direct connection mode, reduced because the positioning error that mechanical structure produced for the technology precision can be guaranteed, the requirement of installation has reduced a lot and the noise when using has also reduced a lot.
The motion control device can enable the glass panel to finish the detection process at any angular distance and speed by utilizing the characteristics of five degrees of freedom of the motion control device.
The glass panel stage comprises a glass panel fixing base 310 and a glass panel scanning and positioning auxiliary fixture 320.
The glass panel fixing base is used for fixing the glass panel. It will be appreciated that the glass panel may be secured in a variety of ways, such as by double sided adhesive, for example, by suction through vacuum suction holes. It is to be understood that the present application is not limited to the manner in which the glazing panel securing base specifically secures a glazing panel.
The auxiliary jig for scanning and positioning the glass panel is in a square shape and surrounds the glass panel fixed on the glass panel fixing base. The auxiliary jig for scanning and positioning a glass panel comprises a first frame 311, a second frame 312, a third frame 313 and a fourth frame 414. The first frame and the second frame are oppositely arranged. The third frame and the fourth frame are disposed opposite to each other, symmetrically distributed, and both include a first horizontal plane 3132 and a first inclined plane 3131.
The angle formed by the intersection of the first horizontal plane and the first inclined plane forms an obtuse angle. It is understood that the second inclined plane can be scanned by the three-dimensional line scanning device only when the angle formed by the intersection of the first horizontal plane and the first inclined plane is an obtuse angle.
N same V-shaped grooves are formed in the first horizontal plane, and N is a positive integer greater than or equal to 2. The V-groove includes a V-groove first inclined surface 31331 and a V-groove second inclined surface 31332.
The glass panel carrying platform is controlled by the motion control device and can be detected by the three-dimensional line scanning equipment at any angle, distance and speed.
Specifically, the three-dimensional line scanning apparatus includes a three-dimensional line scanning sensor holder 410 and a three-dimensional line scanning sensor 420 fixed on the three-dimensional line scanning sensor holder. Generally, a three-dimensional line scanning sensor has a signal transmitting device and a signal receiving device.
In another embodiment, the Z-axis movement unit further includes: and the Z-axis encoder is connected with the Z-axis lead screw.
In this embodiment, be connected through Z axle encoder and Z axle lead screw, the motion condition of knowing Z direction that can be better knows the displacement size of Z direction.
It can be understood that, for the readout mode, the Z-axis encoder in the present embodiment is a contact encoder, and may also be a non-contact encoder. In principle, the Z-axis encoder in the present embodiment may be an incremental encoder or an absolute encoder. The encoder can be both incremental and absolute, according to the principle of operation.
In another embodiment, the motion control device further comprises: a glass panel stage mounting base 270; the glass panel carrier mounting base is rotationally driven by the second DD direct drive motor.
In another embodiment, the motion control device further comprises: a Y-axis movement unit support device; the Y-axis moving unit supporting means includes a Y-axis moving unit slider 261 fixedly connected to the X-axis moving unit base and a Y-axis moving unit slide rail 262 engaged with the Y-axis moving unit slider.
The Y-axis movement unit supporting device and the Y-axis movement unit jointly form a gantry type structure, other parts of the movement control device are reasonably supported, and the structure of the whole movement control device is more stable.
In another embodiment, the number of the V-shaped grooves is 26.
In another embodiment, the V-grooves are equally spaced. It is understood that the spacing between the V-grooves may be equal or different.
In another embodiment, the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove are symmetrically distributed. It can be understood that the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove may be symmetrically distributed, or may be asymmetrically distributed.
The utility model provides a glass panels scanning location auxiliary fixture, includes: the first frame, the second frame, the third frame and the fourth frame; the first frame and the second frame are oppositely arranged; the third frame and the fourth frame are arranged oppositely and symmetrically and respectively comprise a first horizontal plane and a first inclined plane; the angle formed by the intersection of the first horizontal plane and the first inclined plane forms an obtuse angle; the first horizontal plane is provided with N identical V-shaped grooves, and N is a positive integer greater than or equal to 2; the V-shaped groove comprises a V-shaped groove first inclined plane and a V-shaped groove second inclined plane.
In another embodiment, the number of the V-shaped grooves is 26.
In another embodiment, the V-grooves are equally spaced. It is understood that the spacing between the V-grooves may be equal or different.
In another embodiment, the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove are symmetrically distributed. It can be understood that the first inclined surface of the V-shaped groove and the second inclined surface of the V-shaped groove may be symmetrically distributed, or may be asymmetrically distributed.
Referring to fig. 7, a method for detecting a curved glass panel using any of the above-mentioned detection apparatuses for a curved glass panel includes:
and S110, fixing the glass panel by using the glass panel fixing base.
And S120, the motion control device moves the glass panel carrying platform to the detection area of the three-dimensional line scanning equipment.
S130, the motion control device moves the glass panel carrying platform for multiple times so that the three-dimensional line scanning equipment obtains multiple times of data, wherein the multiple times of data at least cover the glass panel carrying platform.
It is to be understood that the plurality of times of data covering at least the glass panel stage refers to an area including the glass panel stage and the glass panel.
In order to acquire a plurality of times of data covering at least an area including the glass panel stage and the glass panel, the area covering the area including the glass panel stage and the glass panel may be divided into a plurality of strip-shaped areas, which are parallel to the first frame (or the second frame).
Of course, other ways of obtaining data at least covering the area including the glass panel stage and the glass panel may be adopted, and the present application is not limited thereto.
S140, splicing the multiple data acquired by the three-dimensional line scanning equipment to obtain a complete image comprising the glass panel carrying platform and the glass panel, wherein the following rules are adopted during splicing, and the following constraints are adopted for any two data in the multiple data: the first level comprised by one datum coincides with the first level comprised by the other datum; the first slope included in one datum coincides with the first slope included in the other datum; the second slope of the V-groove included in one datum coincides with the second slope of the V-groove included in the other datum.
It can be understood that the data acquired by the three-dimensional line scanning equipment can be spliced by triple-coincidence constraint of the first horizontal plane, the first inclined plane and the second inclined plane of the V-shaped groove. Therefore, the three-dimensional line scanning equipment can only scan partial areas (or the scanning area is limited) to acquire data, so that the area covering the glass panel carrying platform and the glass panel can be acquired.
It can be understood that, when data are spliced for multiple times, the data can be spliced directly in a point cloud data form acquired by a three-dimensional line scanning device or a three-dimensional model converted from the point cloud data, which is not limited herein.
S150, comparing the obtained complete image of the glass panel with the standard image of the glass panel.
By obtaining a comparison of the complete image of the glass panel with a standard image of the glass panel, it is possible to know whether the glass panel is defective (dimensional error).
The equipment and the method for detecting the curved glass panel have the advantages that the overall processing precision requirement is reduced, so that the detection precision of the curved glass panel is not reduced due to the processing precision.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. An apparatus for detecting a curved glass panel, comprising:
a frame;
a motion control device secured to the frame, the motion control device comprising:
the Y-axis movement unit includes: the device comprises a Y-axis motion unit base, a Y-axis servo motor arranged at one end of the Y-axis motion unit 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 slides linearly on the Y-axis moving unit base;
the X-axis motion unit includes: the X-axis linear motor is arranged in the X-axis motion unit base; wherein the X-axis slider slides linearly on the X-axis motion unit base; the X-axis motion unit base is driven linearly by the Y-axis slide block; the Y-axis motion unit base is vertical to the X-axis motion unit base;
the Z-axis motion unit includes: the device comprises a Z-axis motion unit base, a Z-axis servo motor arranged at one end of the Z-axis motion unit base, a Z-axis screw rod driven by the Z-axis servo motor, a Z-axis screw rod nut matched with the Z-axis screw rod, and a Z-axis sliding block fixedly connected with the Z-axis screw rod nut; wherein the Z-axis slider slides on the Z-axis motion unit base straight line; the Z-axis motion unit base is driven linearly by the X-axis slide block; the Z-axis motion unit base is vertical to the X-axis motion unit base;
the first rotating unit includes: the direct-drive motor comprises a first rotating unit base and a first DD direct-drive motor fixed on the first rotating unit base; the first rotating unit base is linearly driven by the Z-axis slider; and
the second rotating unit includes: a second rotating unit base and a second DD direct drive motor fixed on the second rotating unit base; the second rotating unit base is rotationally driven by the first DD direct drive motor;
a glass panel stage controlled by the motion control device; the glass panel carrying platform comprises a glass panel fixing base and a glass panel scanning and positioning auxiliary jig; the glass panel fixing base is used for fixing a glass panel; the auxiliary jig for scanning and positioning the glass panel is in a square shape and surrounds the glass panel fixed on the glass panel fixing base; the auxiliary jig for scanning and positioning the glass panel comprises a first frame, a second frame, a third frame and a fourth frame; the first frame and the second frame are oppositely arranged; the third frame and the fourth frame are arranged oppositely and symmetrically and respectively comprise a first horizontal plane and a first inclined plane; the angle formed by the intersection of the first horizontal plane and the first inclined plane forms an obtuse angle; the first horizontal plane is provided with N identical V-shaped grooves, and N is a positive integer greater than or equal to 2; the V-shaped groove comprises a V-shaped groove first inclined surface and a V-shaped groove second inclined surface;
and
the three-dimensional line scanning equipment is fixed on the rack;
the intervals among the V-shaped grooves are equal;
the first inclined plane of V type groove and V type groove second inclined plane symmetric distribution.
2. The apparatus for inspecting a curved glass panel according to claim 1, wherein the three-dimensional line scanning device comprises a three-dimensional line scanning sensor holder and a three-dimensional line scanning sensor fixed to the three-dimensional line scanning sensor holder.
3. The apparatus for inspecting a curved glass panel according to claim 1, wherein the Z-axis moving unit further comprises: and the Z-axis encoder is connected with the Z-axis lead screw.
4. The apparatus for inspecting a curved glass panel according to claim 1, wherein the motion control means further comprises: a glass panel stage mounting base; the glass panel carrier mounting base is rotationally driven by the second DD direct drive motor.
5. The apparatus for inspecting a curved glass panel according to claim 1, wherein the motion control means further comprises: a Y-axis movement unit support device; the Y-axis movement unit supporting device comprises a Y-axis movement unit sliding block fixedly connected with the X-axis movement unit base and a Y-axis movement unit sliding rail matched with the Y-axis movement unit sliding block.
6. A method for inspecting a curved glass panel, characterized in that an apparatus for inspecting a curved glass panel according to any one of claims 1 to 5 is used, and the method comprises:
fixing the glass panel by using the glass panel fixing base;
the motion control device moves the glass panel carrying platform to a detection area of the three-dimensional line scanning equipment;
the motion control device moves the glass panel carrying platform for a plurality of times so that the three-dimensional line scanning equipment acquires a plurality of times of data, wherein the plurality of times of data at least cover the glass panel carrying platform;
splicing the multiple data acquired by the three-dimensional line scanning equipment to obtain a complete image comprising the glass panel carrying platform and the glass panel, wherein the following rules are adopted during splicing, and the following constraints are adopted for any two data in the multiple data: the first level comprised by one datum coincides with the first level comprised by the other datum; the first slope included in one datum coincides with the first slope included in the other datum; the second inclined plane of the V-shaped groove contained in one datum is superposed with the second inclined plane of the V-shaped groove contained in the other datum;
and comparing the complete image of the glass panel with the standard image of the glass panel.
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| CN116665204B (en) * | 2023-07-21 | 2023-10-20 | 山东兴诺工贸股份有限公司 | Glass breakage detection system based on data analysis |
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