Appearance inspection device for coated glass

Abstract

The utility model belongs to the technical field of glass inspection, and discloses a coated glass appearance inspection device which comprises a workbench, a water tank, a top plate and a display screen are arranged on the workbench, black lining cloth is laid in the water tank, the top plate is arranged right above the water tank in parallel, and a plurality of illuminating lamps and two first industrial cameras are arranged on the lower portion of the top plate. The two first industrial cameras are symmetrically arranged in the length direction of the water tank, and each first industrial camera is connected with a translation driving mechanism for driving the first industrial camera to horizontally slide along the top plate. According to the utility model, the two first industrial cameras are symmetrically arranged above the water tank, and the position of each first industrial camera can be freely adjusted along the length direction of a product according to actual requirements, so that the requirements of obtaining layout images of rectangular coated glass with larger length are met, and the accuracy of a product inspection result is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to glass inspection technical field, concretely relates to a kind of coated glass appearance inspection device. BACKGROUND

[0002] Coated glass is inevitably produced certain edition flaw in production process, such as color difference, scratch, film drop, rupture and so on. In prior art, there are two kinds of inspection methods for coated glass edition flaw: (1) glass is placed on inspection platform, and is observed and judged by naked eye after being irradiated by light, which is high in labor intensity, and long-time observation can easily cause visual fatigue, so that product inspection quality cannot be guaranteed;(2) industrial camera (such as CCD camera) is combined with related detection and analysis program to realize inspection of glass surface flaw, but the position of industrial camera of existing inspection equipment is fixed, and when detecting long rectangular coated glass with large length, the range of image obtained by industrial camera cannot cover the whole product, so that the accuracy of inspection result is affected. Based on this, a coated glass appearance inspection device meeting the inspection requirements of coated glass with various length specifications is proposed. SUMMARY

[0003] The utility model provides a kind of coated glass appearance inspection device according to the deficiency in the background art, two first industrial cameras are arranged on the upper portion of inspection workbench, and the position of each first industrial camera can be freely adjusted along horizontal direction according to actual needs, so that the image acquisition requirements of edition of long rectangular coated glass with large length are met, and the accuracy of product inspection result is improved.

[0004] To achieve the above object, the technical solution of the utility model is as follows:

[0005] A kind of coated glass appearance inspection device, characterized by comprising workbench, water tank, top plate and display screen are arranged on the workbench, black cloth is laid in the water tank, the top plate is arranged in parallel above the water tank, multiple illuminating lamps and two first industrial cameras are uniformly distributed on the lower portion of the top plate, the two first industrial cameras are symmetrically arranged along the length direction of the water tank, and a translation driving mechanism for driving each first industrial camera to slide horizontally on the top plate is connected to each first industrial camera.

[0006] Preferably, the translation driving mechanism comprises a housing, a guide rail, a sliding block, a lead screw and a motor, the lead screw is rotatably connected to the housing, and one end of the lead screw is connected to the motor, the sliding block is threadedly connected to the lead screw, the sliding block is slidably connected to the guide rail arranged on the housing, and the first industrial camera is installed at the bottom of the sliding block.

[0007] Preferably, the workbench comprises a support frame and a vertical plate, the sink is arranged at the upper end of the support frame, the vertical plate is vertically arranged at the upper end of the support frame at the rear side of the sink, the display screen is arranged on the front side of the vertical plate, and the top plate is arranged at the top end of the vertical plate.

[0008] Preferably, the top plate is provided with a second industrial camera, and the second industrial camera is located between the two first industrial cameras.

[0009] Preferably, the first industrial camera is a long-focus lens industrial camera, and the second industrial camera is a wide-angle lens industrial camera.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] (1) The utility model discloses a sink is provided with two first industrial cameras, and the position of each first industrial camera can be freely adjusted along the length direction of the product according to actual needs, so that the image acquisition demand of the long rectangular coated glass with greater length is met, and the accuracy of the product inspection result is improved.

[0012] (2) The two first industrial cameras are long-focus lens industrial cameras, and the second industrial camera is a wide-angle lens industrial camera, so that the image acquisition of the first industrial camera and the second industrial camera is combined, and the accuracy of the product inspection result can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-restrictive embodiments with reference to the following drawings.

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is another view structural schematic view of the utility model;

[0016] Figure 3 It is a first industrial camera and a translation driving mechanism connection structural schematic view of the utility model;

[0017] In the drawing: 1, workbench, 101, support frame, 102, vertical plate, 2, sink, 3, top plate, 4, display screen, 5, black cloth, 6, illuminating lamp, 7, first industrial camera, 8, shell, 9, guide rail, 10, sliding block, 11, screw, 12, motor, 13, second industrial camera. DETAILED DESCRIPTION

[0018] Clearly and completely describe the technical scheme in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0019] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "middle", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0020] In the utility model, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, can be mechanical connection, can be directly connected, also can be indirectly connected through intermediate medium.

[0021] As Figure 1 and Figure 2As shown, a coated glass appearance inspection device, including a workbench 1, the workbench is equipped with a water tank 2, top plate 3, display screen 4, the workbench includes support frame 101 and vertical plate 102, water tank is equipped with the upper end of the support frame, vertical plate is vertically equipped on the upper end of the support frame of the back side of water tank, the display screen is equipped on the front side of vertical plate, the top plate is equipped on the top end of vertical plate, the water tank is paved with black cloth 5, the top plate is arranged in parallel on the directly above of water tank, the lower part of the top plate is equipped with a plurality of lighting lamps 6, two first industrial cameras 7, two first industrial cameras are symmetrically arranged along the length direction of the water tank, and each first industrial camera is respectively connected with a translation drive mechanism for driving it to slide horizontally along the top plate, a plurality of lighting lamps are uniformly and interval distributed as the upper light source, irradiating the coated glass placed in the water tank, the lighting lamp adopts LED parallel light source, the black cloth is made of non-reflective black cotton cloth as a background plate, the light irradiation passes through the environmental light diffuse reflection and can directly show the surface defects of the coated glass, two first industrial cameras collect the layout image of the coated glass, cooperate with the related detection analysis system to analyze and judge (the prior art, not described here), the first industrial camera is electrically connected with the display screen, the collected defect part pattern and test result are displayed on the display screen, which is convenient for the inspector to observe and judge and convenient for review. The top plate is also provided with a second industrial camera 13, the second industrial camera is located between the two first industrial cameras, a plurality of cameras are used to work together to improve the accuracy of the test result. The first industrial camera adopts a long-focus lens industrial camera (telecentric lens industrial camera), and the second industrial camera adopts a wide-angle lens industrial camera. The wide-angle lens industrial camera can improve the image acquisition range and collect the overall panoramic image of the coated glass. The long-focus lens industrial camera collects images in a specific range for local high-precision imaging. The combination of the two further improves the accuracy of the test result. The wide-angle lens industrial camera and the long-focus lens industrial camera both use Hikvision industrial lenses with model numbers MVL-KF1628M-12MPE and MVL-MF7538M-ML respectively.

[0022] In combination Figure 3 As shown, the translation drive mechanism includes a housing 8, a guide rail 9, a sliding block 10, a lead screw 11, and a motor 12. The lead screw is rotationally connected with the housing and has one end connected with the motor. The sliding block is threadedly connected with the lead screw and is slidingly connected with the guide rail provided on the housing. The first industrial camera is installed at the bottom of the sliding block. The motor drives the lead screw to rotate, thereby driving the sliding block to slide horizontally along the guide rail, so as to adjust the position of the first industrial camera.

[0023] The working principle of the utility model is as follows:

[0024] For example Figures 1 to 3As shown, the coated glass to be inspected is placed on the black cloth 5 in the water tank 2, and the illuminating lamp 6 is turned on to provide a light source for the coated glass. According to the length specification of the actual product, the inspector controls the motor 12 to drive the sliding block 10 to slide horizontally along the guide rail 9, adjusts the position of the first industrial camera 7, ensures that the image acquisition range of the two first industrial cameras 7 can cover the entire product, and then combines with the acquisition image of the second industrial camera 13, after image analysis and judgment, the corresponding image and judgment result are displayed on the display screen 4, which is convenient for the inspector to observe and recheck.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

Claims

1. A device for inspecting the appearance of coated glass, characterized in that: The device includes a workbench, a water tank, a top plate, and a display screen. The water tank is lined with a black cloth. The top plate is positioned parallel to the top of the water tank. Multiple lighting lamps and two first industrial cameras are evenly distributed on the lower part of the top plate. The two first industrial cameras are symmetrically arranged along the length of the water tank, and each first industrial camera is connected to a translation drive mechanism that drives it to slide horizontally along the top plate.

2. The appearance inspection device for coated glass as described in claim 1, characterized in that: The translation drive mechanism includes a housing, a guide rail, a slider, a lead screw, and a motor. The lead screw is rotatably connected to the housing, and one end of the lead screw is connected to the motor. The slider is threaded onto the lead screw, and the slider is slidably connected to the guide rail on the housing. The first industrial camera is mounted on the bottom of the slider.

3. The appearance inspection device for coated glass as described in claim 1, characterized in that: The workbench includes a support frame and a vertical plate. The water tank is located at the upper end of the support frame, the vertical plate is vertically located at the upper end of the support frame behind the water tank, the display screen is located on the front side of the vertical plate, and the top plate is located at the top of the vertical plate.

4. The appearance inspection device for coated glass as described in claim 1, characterized in that: A second industrial camera is provided on the top plate, and the second industrial camera is located between the two first industrial cameras.

5. The appearance inspection device for coated glass as described in claim 4, characterized in that: The first industrial camera is a telephoto lens industrial camera, and the second industrial camera is a wide-angle lens industrial camera.

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