TW201915444A - Glass inspection system and method - Google Patents

Abstract

A glass inspection system is presented to solve the problem of too long detection time. The system includes a base, a focusing platform, a detection mechanism and a processing module. The stage includes a first displacement component. The focusing platform is slidably coupled to the first displacement component. The focusing platform includes a second displacement component. The detection mechanism is slidably coupled to the second displacement component. The processing module drives the detection mechanism to photograph and analyze a surface of a glass and a cross section of a cut portion of the glass, and determines whether both a first detecting element and a second detecting element of the detection mechanism are located in a depth of field or not. If not, the processing module drives the first displacement component or the second displacement component to move the first detecting element in the X or Y axis direction. The processing module determines whether or not the surface of the glass and the cross section of the cut portion are defective according to an inspection method.

Description

 Glass detection system and method thereof  

The present invention relates to a glass detecting system and method thereof, and more particularly to a detecting system and method for simultaneously detecting a cutting time of a surface and a section of a glass, which can simultaneously shorten the detecting time.

After the glass has been cut and lobed, if the surface or section has defects such as burrs, nicks or scratches, the precision or strength of the glass will be affected, which will cause subsequent risks. For this reason, it must be tested. The cut of the surface and section to determine that no such defects have occurred.

The conventional glass detection technology detects the glass with an autofocus laser detector. When using the two laser detectors, it will cause interference to each other and affect the accuracy of the detection. Therefore, only The surface of the glass and the cut of the section are inspected sequentially or in reverse order, thereby lengthening the overall inspection time. In addition, the laser detector may also be incapable of detecting the cut portion of the glass section because the thickness of the glass is too thin, and there is a problem that the detection fails.

In addition, another conventional glass detection technique uses a two-lens simultaneous detection of the surface of the glass and the cutting of the section in a continuous shooting manner, but when the respective focal points of the two lenses cannot be accurately located at a depth of field, The detected image is blurred, which affects the accuracy of subsequent glass detection. In order to improve the accuracy of glass detection, the number of detected images captured by the lens must be increased, and the overall detection time is extended.

In view of this, the conventional glass detection technology still has the need to be improved.

In order to solve the above problems, the present invention provides a glass detecting system and method thereof, which can shorten the detecting time and simultaneously detect the cut surface of the glass surface and the cross section.

A glass detecting system of the present invention comprises: a loading stage provided with a first displacement component; a focusing platform coupled to the first displacement component, the focusing platform is provided with a second displacement component; a detecting mechanism, sliding In combination with the focusing platform, the detecting mechanism is provided with a first detecting component and a second detecting component; and a processing module coupled to the first displacement component, the second displacement component, the first detecting component and the a second detecting component, the processing module drives the first detecting component to shoot a cut surface of a surface of the glass to generate a first focused image, and the processing module analyzes the first focused image according to a edge finding algorithm Whether it is located at a depth of field, if the analysis result is yes, the focus of the first detecting component is completed, and if the analysis result is no, the processing module drives the second displacement component to drive the first detecting component along a Y Moving in the axial direction, and re-shooting and analyzing the first focused image, the processing module drives the second detecting component to shoot the cut portion of the cross section of the glass to generate a a second focus image, the processing module is based on the edge-finding algorithm, whether the second focus image is located in the depth of field, and if the comparison result is yes, the focus of the second detecting component is completed, if the comparison result is no The processing module drives the first displacement component to move the second detecting component along an X-axis direction, and re-shoots and analyzes the second focused image, and then the processing module is configured according to a detection method. The first focus image and the second focus image are detected to determine whether there is a defect in the cut surface of the surface and the cross section of the glass.

A glass detecting method of the present invention comprises: adjusting, by the processing module, the first detecting element and the second detecting element, their respective focal points and directions of the focus; cutting the surface of the glass by the first detecting element Shooting to generate the first focused image; the processing module analyzes the first focused image according to the edge-finding algorithm, and analyzes whether the focus of the first focused image is located in the depth of field, and if the analysis result is , the focus of the first detecting component is completed, and if the analysis result is no, the first detecting component is moved along the Y-axis direction, and the first focusing image is re-photographed and analyzed; The cutting portion of the cross section of the glass is photographed to generate the second in-focus image; the processing module analyzes the second in-focus image according to the edge-finding algorithm, and analyzes whether the focus of the second focused image is located in the depth of field If the analysis result is yes, the focus of the second detecting component is completed, and if the analysis result is no, the second detecting component is moved along the X-axis direction, and The second focus image is captured and analyzed; and after the first focus image and the second focus image are in focus, the processing module detects the first focus image and the second focus image according to the detection method, To detect whether there is a defect in the cut surface of the surface and section of the glass.

Accordingly, the glass detecting system and method of the present invention can be quickly made by making the respective focal points of the first detecting element and the second detecting element equidistant from the material member, and making the directions of the two focal points perpendicular to each other. Focusing and simultaneously detecting the surface of the glass and the cut of the section have the effects of shortening the detection time and improving the accuracy of the glass detection.

The pedestal is coupled to the gantry by a third displacement component, and the third displacement component is coupled to the processing module. In this way, it has the effect of improving the detection efficiency.

The first displacement component, the second displacement component and the third displacement component each have a displacement component and an auxiliary displacement component. In this way, it has the effects of shortening the detection time and improving the accuracy of glass detection.

Wherein, the displacement member comprises a driving component and a telescopic screw. In this way, it has the effects of shortening the detection time and improving the accuracy of glass detection.

Wherein, the auxiliary displacement member comprises a slide rail and a slide seat. In this way, it has the effects of shortening the detection time and improving the accuracy of glass detection.

The detection mechanism further includes a first adjustment module and a second adjustment module, the first adjustment module is coupled to the processing module and the first detecting component, and the second adjusting module is coupled to the processing The module and the second detecting component, the processing module adjusts the focus of the first detecting component and the second detecting component to a preset value by using the first adjusting module and the second adjusting module respectively. In this way, it has the effect of shortening the detection time.

The processing module adjusts a focus of the cutting portion of the first detecting element relative to the surface of the glass, and is equidistant from a focus of the cutting portion of the second detecting element with respect to a section of the glass, and adjusts the The direction of the focus of the first detecting element is perpendicular to the direction of the focus of the second detecting element. In this way, it has the effect of shortening the detection time.

〔this invention〕

1‧‧‧ stage

11‧‧‧First displacement assembly

111‧‧‧ drive parts

112‧‧‧Auxiliary displacement parts

2‧‧‧ Focusing platform

21‧‧‧Second displacement assembly

211‧‧‧ drive parts

212‧‧‧Auxiliary displacement parts

213‧‧‧ linkages

3‧‧‧Test institutions

31‧‧‧First detection element

32‧‧‧Second detection element

33‧‧‧First adjustment module

34‧‧‧Second adjustment module

4‧‧‧Processing module

5‧‧‧Base

51‧‧‧ Third displacement assembly

511‧‧‧ drive parts

512‧‧‧Auxiliary displacement parts

F‧‧‧ positioning seat

G‧‧‧glass

M‧‧‧ drive components

R‧‧‧rails

S‧‧ ‧ slide

S1‧‧‧ adjustment steps

S2‧‧‧First focusing step

S3‧‧‧Second focus step

S4‧‧‧ Test procedure

Fig. 1 is a perspective view showing the combination of the glass detecting system of the present invention.

Fig. 2 is a schematic view showing the displacement of the focusing platform and the detecting mechanism of the glass detecting system of the present invention.

Fig. 3 is a schematic view showing the respective focal points of the first detecting element and the second detecting element of the detecting mechanism of the glass detecting system of the present invention.

Fig. 4 is a schematic view showing the detection mechanism of the glass detecting system of the present invention focusing on a material.

Figure 5 is a flow chart of the method of the glass detecting method of the present invention.

The above and other objects, features, and advantages of the present invention will become more apparent from the aspects of the appended claims. An embodiment of the glass detecting system of the present invention comprises a loading platform 1 , a focusing platform 2 , a detecting mechanism 3 , and a processing module 4 . The focusing platform 2 is disposed above the loading platform 1 . The processing module 4 is coupled to the loading platform 1 , the focusing platform 2 , and the detecting mechanism 3 .

Referring to FIG. 2 together, the appearance and size of the stage 1 are not limited, and can be adjusted according to the needs of use. In this embodiment, the stage 1 has a rectangular planar shape, and the stage 1 is provided with a first displacement component 11 , and the first displacement component 11 can be disposed on a surface of the focusing platform 2 for sliding combination of the focusing platform 2 so that the focusing platform 2 can be along an X-axis direction mobile. In detail, the first displacement component 11 drives the focusing platform 2 to move along the X-axis direction by a driving component 111. For example, but not limited to, the driving component 111 can drive the focusing platform 2 by a driving component M. Move along the X axis direction. In addition, the first displacement component 11 further assists the movement of the focusing platform 2 by an auxiliary displacement member 112. For example, but not limited to, the auxiliary displacement member 112 may include a sliding rail R and a sliding seat S, and are respectively disposed on The side of the stage 1 opposite to the focusing platform 2 is disposed in alignment. In the present invention, the number of the auxiliary displacement members 112 is at least one, so that the focus platform 2 can be assisted to move, which can be understood by those skilled in the art, in the embodiment, the number of the auxiliary displacement members 112 For one.

The focus platform 2 is not limited in any way, and can be adjusted according to the needs of use. In this embodiment, the focusing platform 2 has a rectangular planar shape, and the focusing platform 2 is provided with a second displacement component 21 The second displacement assembly 21 can be disposed on a surface away from the stage 1 for sliding engagement of the detecting mechanism 3 to enable the detecting mechanism 3 to move along a Y-axis direction. In detail, the second displacement component 21 drives the detecting mechanism 3 along the Y-axis direction by a driving member 211. For example, but not limited to, the driving component 211 can drive the detecting mechanism 3 by a driving component M. Move along the Y-axis direction. In this embodiment, the second displacement component 21 further assists the movement of the detecting mechanism 3 by two auxiliary displacement members 212. For example, but not limited to, the focusing platform 2 is provided with a positioning seat F, the driving member 211 and the One of the two auxiliary displacement members 212 is respectively disposed on the positioning seat F, and the driving member 211 drives one of the two auxiliary displacement members 212 to slide by a linking member 213. The positioning seat F is opposite to the two auxiliary displacement members 212. One of the sides is provided with another auxiliary displacement member 212, and the other auxiliary displacement member 212 is slidably coupled to the detecting mechanism 3. The two auxiliary displacement members 212 can each include a slide rail R and a slide S.

The detecting mechanism 3 is slidably coupled to the second displacement assembly 21 of the focusing platform 2. Referring to FIG. 3 together, the detecting mechanism 3 is fixed with a first detecting component 31 and a second detecting component 32. The first detecting component 31 is cut relative to the surface of a cut glass G. a focus that is equidistant from the focus of the second detection element 32 relative to the cut of the section of the glass G, and the direction of the focus of the first detecting element 31, and the focus of the second detecting element 32 The directions are perpendicular to each other. For example and without limitation, the first detecting element 31 and the second detecting element 32 may be a photosensitive coupling element (CCD) or a complementary metal oxide semiconductor (CMOS).

The processing module 4 is coupled to the driving component M of the loading platform 1 and the focusing platform 2, and the first detecting component 31 and the second detecting component 32 of the detecting mechanism 3. In this embodiment, the processing module The 4 series is set on the stage 1, but not limited thereto.

Referring to FIG. 4 together, the detection sequence of the cut surface of the surface and the cross section of the glass G is not limited herein. In the present embodiment, the cut surface of the surface of the glass G is used. Test first. The processing module 4 drives the first detecting component 31 to capture a cut portion of the surface of the glass G to generate a first focused image. The processing module 4 is configured according to an Edge Detection Algorithm. The first focus image is analyzed to analyze whether the focus of the first detecting component 31 is located in a depth of field (DOF), that is, the cutting surface of the surface of the glass G in the first focused image is clear, if analyzed As a result, the focus of the first detecting component 31 is completed, and the processing module 4 detects the first focused image according to a detecting method to detect whether the cut surface of the glass has defects; if the analysis result is No, the processing module 4 drives the driving component M of the focusing platform 2, so that the second displacement component 21 drives the first detecting component 31 of the detecting mechanism 3 to move along the Y-axis direction, and re-shoots and analyzes the The first focus image. The edge-finding algorithm may be an algorithm such as Canny or Sobel, and the detection method is understood by those skilled in the art, and will not be further described herein.

The focus of the first detecting component 31 is equidistant from the focus of the second detecting component 32. Therefore, when the processing module 4 completes the first detecting component 31, the surface of the glass G is cut. When focusing, the second detecting element 32 is opposite to the cut of the section of the glass G. Subsequently, the processing module 4 drives the second detecting component 32 to capture a cut of the section of the glass G to generate a second focused image, and the processing module compares the edge-based algorithm according to the edge-finding algorithm. The second focus image is clearer than the focus of the second detecting component 32, that is, the cut of the section of the glass G in the second focus image is clear, and if the comparison result is yes, the completion is completed. The second detecting component 32 is in focus, and the processing module 4 detects the second focused image according to the detecting method to detect whether the cut portion of the glass section has a defect; if the comparison result is no, the The processing module 4 drives the driving component M of the stage 1 to move the second detecting component 32 of the detecting mechanism 3 along the X-axis direction, and re-shoots and analyzes the second focusing image. .

The detecting mechanism 3 of the glass detecting system of the present invention may further comprise a first adjusting module 33 and a second adjusting module 34. The first adjusting module 33 is coupled to the first detecting component 31 and the processing module. The second adjustment module 34 is coupled to the second detection component 32 and the processing module 4, and the processing module 4 can use the first adjustment mode before detecting the glass G. The group 33 and the second adjustment module respectively adjust the focus of the first detecting element 32 and the second detecting element 33 to a preset value. In this way, it has the effect of shortening the overall detection time.

The glass detecting system of the present invention may further include a pedestal 5 disposed under the stage 1 and slidably coupled to the stage 1 by a third displacement assembly 51. The third displacement assembly The pedestal 5 is disposed on a surface of the pedestal 5 and coupled to the processing module 4 . In detail, the third displacement component 51 drives the stage 1 along a Z-axis direction by a driving member 511. For example, but not limited to, the processing module 4 controls the driving component M to drive the carrier. The stage 1 moves in the Z-axis direction. In addition, the third displacement component 51 further assists the movement of the loading table 1 by an auxiliary displacement member 512. For example, but not limited to, the auxiliary displacement member 512 can include a sliding rail R and a sliding seat S, and are respectively disposed on The side of the stage 1 opposite to the base 5 is disposed in alignment. In this way, it has the effect of improving the detection efficiency.

Referring to FIG. 5, it is an embodiment of the glass detecting method of the present invention, comprising: an adjusting step S1, a first focusing step S2, a second focusing step S3, and a detecting step S4.

In the adjusting step S1, the processing module 4 adjusts the focus of the cutting portion of the first detecting element 31 with respect to the surface of the glass G, and the cutting portion of the second detecting element 32 with respect to the section of the glass G. The focus is equidistant, and the direction of the focus of the first detecting element 31 is adjusted to be perpendicular to the direction of the focus of the second detecting element 32. In addition, the adjusting step S1 can also control the first adjusting module 33 and the second adjusting module 34 by the processing module 4 before the processing module 4 detects the glass G, and the first detecting is performed. The focus of the element 32 and the second detecting element 33 are respectively adjusted to the predicted value. In this way, it has the effect of shortening the overall detection time.

In the first focusing step S2, the first detecting component 31 is driven by the processing module 4 to capture a cut surface of the surface of the glass G to generate the first focused image, and the processing module 4 according to the The edge-finding algorithm analyzes the first focus image, and analyzes whether the focus of the first detecting component 31 is located in the depth of field. If the analysis result is yes, the focusing operation of the first detecting component 31 is completed; if the analysis result is no, The processing module 4 drives the driving component M of the focusing platform 2 to move the first detecting component 31 of the detecting mechanism 3 along the Y-axis direction, and re-shoots and analyzes the first component. Focus on the image.

In the second focusing step S3, the processing module 4 drives the second detecting component 32 to capture the cut portion of the section of the glass G to generate the second focused image. The processing module 4 is The edge finding algorithm compares the focus of the second detecting component 32 with the focus of the second detecting component, and if the comparison result is yes, the focusing of the second detecting component 32 is completed; if the comparison is performed; If the result is no, the processing module 4 drives the driving component M of the stage 1 to cause the first displacement component 11 to move the second detecting component 32 of the detecting mechanism 3 along the X-axis direction, and re-shooting and The second focus image is analyzed.

In the detecting step S4, when the processing module 4 completes the first detecting element 31, focuses on the cut surface of the surface of the glass G, and completes the second detecting element 32, after cutting the section of the glass G The processing module 4 detects the first focus image and the second focus image according to the detection method to detect whether there is a defect in the cut surface of the surface and the cross section of the glass G.

In summary, the glass detecting system of the present invention and the method thereof are such that the respective focal points of the first detecting element and the second detecting element are equidistant from the material member, and the directions of the two focal points are perpendicular to each other. It can quickly focus and simultaneously detect the surface of the glass and the cut of the section, which has the effects of shortening the detection time and improving the accuracy of glass detection.

While the invention has been described in connection with the preferred embodiments described above, it is not intended to limit the scope of the invention. The technical scope of the invention is protected, and therefore the scope of the invention is defined by the scope of the appended claims.

Claims (8)

 A glass detecting system comprises: a loading stage, a first displacement component; a focusing platform, slidingly coupled to the first displacement component, the focusing platform is provided with a second displacement component; and a detecting mechanism, slidingly coupled to The detecting mechanism is provided with a first detecting component and a second detecting component; and a processing module coupled to the first displacement component, the second displacement component, the first detecting component and the second detecting The processing module drives the first detecting component to capture a cut of a surface of a glass to generate a first focused image, and the processing module analyzes whether the first focused image is located according to a edge finding algorithm. Depth of field, if the analysis result is yes, the focus of the first detecting component is completed. If the analysis result is no, the processing module drives the second displacement component to drive the first detecting component to move along a Y-axis direction. And re-shooting and analyzing the first focus image; the processing module drives the second detecting component to shoot the cut portion of the cross section of the glass to generate a second focus And the processing module is configured to determine whether the second focus image is located in the depth of field according to the edge-finding algorithm. If the comparison result is yes, the focus of the second detecting component is completed, and if the comparison result is no, the The processing module drives the first displacement component to move the second detecting component along an X-axis direction, and re-shoots and analyzes the second focused image; subsequently, the processing module is configured according to a detection method. The focus image and the second focus image are detected to determine whether there is a defect in the cut surface of the surface and the cross section of the glass.    The glass detecting system of claim 1 , further comprising a base, the base is slidably coupled to the stage by a third displacement component, and the third displacement component is coupled to the processing module .    The glass detecting system of claim 2, wherein the first displacement component, the second displacement component and the third displacement component each have a displacement member and an auxiliary displacement member.    The glass detecting system of claim 3, wherein the displacement member comprises a driving component and a telescopic screw.    The glass detecting system of claim 3, wherein the auxiliary displacement member comprises a slide rail and a slide.    The glass detecting system of the first aspect of the invention, wherein the detecting unit further comprises a first adjusting module and a second adjusting module, wherein the first adjusting module is coupled to the processing module and the first a first detecting module coupled to the processing module and the second detecting component, wherein the processing module uses the first adjusting module and the second adjusting module to respectively respectively detect the first detecting component and The focus of the second detecting element is adjusted to a preset value.    A glass detecting method using the glass detecting system according to any one of items 1 to 6, wherein the method comprises: adjusting the first detecting element and the second detecting element with the processing module to have respective focus points thereof The direction of the focus; the first detecting element captures the cut of the surface of the glass to generate the first focused image; the processing module analyzes the first focused image according to the edge finding algorithm, and analyzes the Whether the focus of the first focus image is located in the depth of field, if the analysis result is yes, the focus of the first detecting component is completed, and if the analysis result is no, the first detecting component is moved along the Y-axis direction, and Re-shooting and analyzing the first focus image; taking the second detection element to shoot the cut portion of the cross section of the glass to generate the second focus image; the processing module is to the second edge according to the edge-finding algorithm Focusing image analysis, analyzing whether the focus of the second focus image is located in the depth of field, and if the analysis result is yes, completing the focus of the second detecting component, if the analysis result is no, The second detecting component moves along the X-axis direction, and re-shoots and analyzes the second focused image; and after the focusing of the first focused image and the second focused image is completed, the processing module is configured according to the detection method. The first focus image and the second focus image are detected to detect whether there is a defect in the cut surface of the surface and the cross section of the glass.    The method for detecting glass according to claim 7, wherein the processing module adjusts a focus of the cutting portion of the first detecting element relative to a surface of the glass, and the second detecting element is opposite to the glass The focus of the cut of the section is equidistant, and the direction of the focus of the first detecting element is adjusted to be perpendicular to the direction of the focus of the second detecting element.