Substrate glass surface defect detection device

Abstract

The utility model belongs to the field of glass quality inspection, and particularly relates to a substrate glass surface defect detection device, which comprises an inspection main body, a plurality of detection cameras and four shading plates, the inspection main body comprises a front support body and a rear support body, the front support body and the rear support body are provided with channels for accommodating and passing a substrate glass body, and the channels are inclined relative to the horizontal plane. Enabling the substrate glass body to be in an inclined state; the four shading plates are arranged at the two ends, close to the channel, of the front supporting body and the rear supporting body respectively, the two ends of the channel are blocked through the four shading plates, light rays of the detection camera can be reduced or even prevented from irradiating the external environment, the anti-interference capacity is improved, and the accuracy of substrate glass surface defect detection is improved. In addition, a plurality of detection cameras are arranged on the front support body and the rear support body, so that the surface defects of the substrate glass can be detected simultaneously or alternately, the detection efficiency is improved, and interference between the detection cameras on the two sides can be avoided through alternate detection.

Description

TECHNICAL FIELD

[0001] The utility model belongs to glass quality inspection field, concretely relates to a substrate glass surface defect detection device. BACKGROUND

[0002] With the development of substrate glass industry, downstream customers are more and more high to substrate glass quality requirement, that is, the control requirement of defect is more and more strict, and the defect includes two categories, internal defect and surface defect, and particle belongs to surface defect, and the defined size is 0.3um <= L <= 10um, in the production process, substrate glass is in the motion state, when glass passes through particle detection equipment, particle detection sensor emits light source to scan glass surface particle, thereby the particle detection of glass surface (A surface and B surface) is carried out, when the light source emitted by the equipment hits on the substrate surface, the light source will overflow and cause noise interference, thereby the number of particles abnormally increases, the quality determination is inaccurate, and the production determination yield is affected. UTILITARY MODEL CONTENTS

[0003] The utility model solves the technical problem to provide a substrate glass surface defect detection device, and the accuracy of substrate glass particle detection is improved.

[0004] The utility model provides a substrate glass surface defect detection device, which comprises:

[0005] The inspection main body comprises a front support body and a rear support body, the front support body and the rear support body have a channel for accommodating and passing the substrate glass body, and the channel is inclined to the horizontal plane, so that the substrate glass body is in an inclined state.

[0006] A plurality of detection cameras are arranged on the inner side of the front support body and / or the rear support body.

[0007] Four light shielding plates are arranged at the two ends of the channel near the front support body and the rear support body respectively, and are used to shield the light emitted by the detection camera from irradiating the external environment.

[0008] Optionally, a groove is formed in the inner side wall of the front support body, and the detection camera is installed in the groove.

[0009] Optionally, a plurality of air floating strips are arranged on the inner side wall of the rear support body for guiding the substrate glass body, and a transmission roller is arranged on the inner side wall of the rear support body near the bottom for providing power for the movement of the glass.

[0010] Optionally, the plurality of air floating strips are evenly distributed from top to bottom.

[0011] Optionally, the plurality of detection cameras on the front support body are arranged in a rectangular array.

[0012] Optionally, the detection cameras on the front support body and the rear support body are distributed in a staggered manner.

[0013] Optionally, the detection camera is a polarization camera.

[0014] Optionally, the channel inclination angle is 70°-85°.

[0015] Optionally, the light shield plate is a triangular plate, and the part of the triangular plate that is perpendicular to the inspection main body is close to the substrate glass body.

[0016] Optionally, the surface of the light shield plate has a light-absorbing layer.

[0017] The beneficial effects of the present application are that the four light shield plates block the two ends of the channel, which can reduce or even avoid the light of the detection camera from irradiating the external environment, thereby avoiding the influence of external impurities on the detection result, improving the anti-interference ability, and further improving the accuracy of substrate glass surface defect detection. In addition, a plurality of detection cameras are arranged on the front support body and the rear support body, which can simultaneously or alternately detect the substrate glass surface defects, improve the detection efficiency, and avoid interference between the two detection cameras. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a structural schematic view of the substrate glass surface defect detection device of the present application;

[0019] Figure 2 Fig. 2 is a longitudinal sectional view of the substrate glass surface defect detection device of the present application.

[0020] In the figure: 1-1, substrate glass body; 100, inspection main body; 110, front support body; 120, rear support body; 130, channel; 140, groove; 150, transmission roller; 200, detection camera; 300, light shield plate; 400, air float strip. DETAILED DESCRIPTION

[0021] As shown in Figs. Figure 1 and Figure 2 The present application provides a substrate glass surface defect detection device, which comprises an inspection main body 100, a plurality of detection cameras 200, and four light shield plates 300. The inspection main body 100 comprises a front support body 110 and a rear support body 120, and the front support body 110 and the rear support body 120 have a channel 130 for accommodating and passing the substrate glass body 1-1. The plurality of detection cameras 200 are arranged on the inner side of the front support body 110 and the rear support body 120, respectively. The four light shield plates 300 are arranged at the two ends of the channel 130 close to the front support body 110 and the rear support body 120, respectively, for shielding the light emitted by the detection camera 200 from irradiating the external environment.

[0022] Compared with the prior art, the substrate glass surface defect detection device provided by the utility model, through four light shielding plates 300 blocking both ends of the channel 130, can reduce or even avoid the light of the detection camera 200 from irradiating to the external environment, thereby avoiding the influence of external sundries on the detection result, improving the anti-interference capability, and further improving the accuracy of substrate glass surface defect detection. In addition, a plurality of detection cameras 200 are arranged on the front support body 110 and the rear support body 120, and the substrate glass surface defect detection can be carried out simultaneously or alternately, so that the detection efficiency is improved, and the interference between the two detection cameras 200 can be avoided.

[0023] In one embodiment, recesses 140 are formed in the inner side walls of the front support body 110, and the detection cameras 200 are installed in the recesses 140. In this way, the detection cameras 200 can be kept at an appropriate distance from the substrate glass body 1-1, that is, the detection cameras 200 and the substrate glass body 1-1 are prevented from colliding, and the light of the detection cameras 200 can irradiate a large enough area on the surface of the substrate glass body 1-1.

[0024] In one embodiment, a plurality of air floating strips 400 are arranged on the inner side walls of the rear support body 120 for guiding the substrate glass body 1-1. It can be understood that the substrate glass body 1-1 is floated to improve the stability of transmission. The plurality of transmission rollers 150 are arranged in a straight line and are rotatably connected to the inner side of the rear support body 120, and can be driven by a synchronous belt, with one of the transmission rollers 150 as a driving roller.

[0025] It should be noted that the substrate glass body 1-1 can be conveyed to the channel 130 by an external conveying device, or can be manually carried and pulled.

[0026] In one embodiment, the plurality of air floating strips 400 are uniformly distributed from top to bottom, improving the uniformity of guiding the substrate glass body 1-1.

[0027] In one embodiment, the plurality of detection cameras 200 on the front support body 110 are arranged in a rectangular array, improving the uniformity of the detection light irradiating on the surface of the substrate glass body 1-1, and improving the accuracy of detection.

[0028] In one embodiment, the detection cameras 200 on the front support body 110 and the rear support body 120 are distributed in a staggered manner, reducing mutual interference when the detection cameras 200 on both sides detect at the same time.

[0029] In one embodiment, the detection camera 200 is a polarization camera. The working principle is that the polarization characteristics of light are effectively utilized, and the polarization state of reflected light is captured and analyzed, so that the physical properties of materials that cannot be detected by the human eye can be intuitively evaluated.

[0030] In one embodiment, the channel 130 has an inclination angle of 70°-85°, preferably, the channel 130 has an inclination angle of 80°.

[0031] In one embodiment, the light shield plate 300 is a triangular plate, which is perpendicular to the part of the inspection main body 100 close to the substrate glass body 1-1, so that the matching surface of the light shield plate 300 and the substrate glass body 1-1 is extended, and the light shield plate 300 can better block the detection light and external light.

[0032] In one embodiment, the surface of the light shield plate 300 has a light absorption layer, which can effectively absorb the noise such as reflected and refracted light, thereby improving the accuracy of particle detection.

[0033] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary, and is not intended to limit the scope of protection of the present application to these examples; under the idea of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of one or more embodiments of the present application as described above. In order to be brief, they are not provided in details.

[0034] One or more embodiments of the present application are intended to cover all such alternatives, modifications and variations falling within the broad scope of the present application. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principles of one or more embodiments of the present application should be included in the scope of protection of the present application.

Claims

1. A device for detecting defects on the surface of a substrate glass, characterized in that, include: The inspection body (100) includes a front support (110) and a rear support (120). The front support (110) and the rear support (120) have a channel (130) for accommodating and passing through the substrate glass (1-1). The channel (130) is inclined to the horizontal plane, so that the substrate glass (1-1) is in an inclined state. Multiple detection cameras (200) are disposed inside the front support (110) and / or the rear support (120); Four light shields (300) are respectively set at both ends of the front support (110) and the rear support (120) near the channel (130) to block the light emitted by the detection camera (200) from shining into the external environment.

2. The substrate glass surface defect detection device according to claim 1, characterized in that, The inner wall of the front support (110) is provided with a groove (140), and the detection camera (200) is installed in the groove (140).

3. The substrate glass surface defect detection device according to claim 2, characterized in that, The inner wall of the rear support (120) is provided with a plurality of air floats (400) for guiding the substrate glass (1-1). The inner wall of the rear support (120) near the bottom is provided with a transmission roller (150) for providing power for the glass to move.

4. The substrate glass surface defect detection device according to claim 3, characterized in that, The multiple air flotation strips (400) are evenly distributed from top to bottom.

5. The substrate glass surface defect detection device according to claim 3, characterized in that, The multiple detection cameras (200) on the front support (110) are arranged in a rectangular array.

6. The substrate glass surface defect detection device according to any one of claims 1-5, characterized in that, The detection cameras (200) on the front support (110) and the rear support (120) are misaligned.

7. The substrate glass surface defect detection device according to any one of claims 1-5, characterized in that, The detection camera (200) is a polarization camera.

8. The substrate glass surface defect detection device according to any one of claims 1-5, characterized in that, The channel (130) has an inclination angle of 70°~85°.

9. The substrate glass surface defect detection device according to any one of claims 1-5, characterized in that, The light shield (300) is a triangular plate, and the portion of the triangular plate perpendicular to the inspection body (100) is close to the substrate glass (1-1).

10. The substrate glass surface defect detection device according to any one of claims 1-5, characterized in that, The surface of the light-shielding plate (300) has a light-absorbing layer.

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