Visual device for automatically checking glue scratching

Abstract

The utility model discloses a visual device for automatically checking glue scratching, which comprises a detection table, a front glue detection camera for detecting the front of a product is arranged on the detection table, and a side glue detection mechanism for detecting the side glue of the product is also arranged on the detection table; the side glue detection mechanism comprises a detection camera arranged on the detection table, and a prism imaging module and an annular light source are arranged in front of a lens of the detection camera; the prism imaging module comprises a prismatic table frame, a plurality of prisms and a lens, the prismatic table frame is provided with a plurality of inner walls, each inner wall of the prismatic table frame is provided with a prism, and the lens is arranged among the plurality of prisms; according to the utility model, the contour of the glue can be reflected, so that the measurement is convenient, and the measurement precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of marking glue detection, and specifically relates to an automatic marking glue inspection visual device. BACKGROUND

[0002] AOI (Automated Optical Inspection) is the full name in Chinese, which is automatic optical inspection, and is a device for detecting common defects encountered in production based on optical principles. AOI is a testing technology, when automatically detecting, the machine automatically scans through a camera, collects images, compares test points with qualified parameters in a database, checks out defects through image processing, and displays or marks the defects through a display or automatic marking for maintenance personnel to modify, and the product after dispensing glue needs to be detected by AOI; and the existing visual device can only be detected from the front, and cannot be detected from the side, so that the detection result has a large error. UTILITY MODEL CONTENT

[0003] In order to solve the defects in the prior art, the utility model provides an automatic marking glue inspection visual device.

[0004] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0005] The utility model discloses an automatic marking glue inspection visual device, which comprises a detection table, a front glue detection camera for front detection of products is arranged on the detection table, and a side glue detection mechanism for side glue detection of products is also arranged on the detection table.

[0006] The side glue detection mechanism comprises a detection camera arranged on the detection table, a prism imaging module and a ring light source are arranged in front of the lens of the detection camera.

[0007] The prism imaging module comprises a prism frame, a plurality of prisms and a lens, the prism frame has a plurality of inner walls, a prism is arranged on each inner wall of the prism frame, and the lens is arranged between the plurality of prisms.

[0008] As a preferred technical scheme of the utility model, the detection table is provided with a first electric guide rail transversely arranged on the detection table through a first support frame, and the front glue detection camera is fixed on the sliding end of the first electric guide rail.

[0009] As a preferred technical scheme of the utility model, the detection table is provided with a second electric guide rail through a second support frame, and a mounting frame is arranged on the sliding end of the second electric guide rail, and the detection camera and the prism imaging module are arranged on the mounting frame.

[0010] As a preferred technical scheme of the utility model, the prism imaging module is arranged between the annular light source and the lens of the detection camera.

[0011] As a preferred technical scheme of the utility model, the wide end face of the prism frame is opposite to the lens of the detection camera.

[0012] As a preferred technical scheme of the utility model, the prism frame is a regular octagonal prism structure.

[0013] As a preferred technical scheme of the utility model, the prism side is arranged at an angle of 40 to 60 degrees with the horizontal.

[0014] As a preferred technical scheme of the utility model, the distance between the annular light source and the product is 8 to 15 mm.

[0015] As a preferred technical scheme of the utility model, the distance between the bottom of the lens of the detection camera and the bottom of the lens is 50 to 70 mm.

[0016] As a preferred technical scheme of the utility model, the automatic inspection glue visual device repeatedly measures the same product multiple times.

[0017] The utility model has the advantages of:

[0018] The automatic inspection glue visual device is provided with a front glue detection camera for front detection of the product and a side glue detection mechanism for side glue detection of the product, so that the glue layer of the product can be detected from the front and the side, the prism imaging module is arranged in front of the lens of the detection camera, the prism imaging module can image the glue layer, the glue profile can be reflected, the measurement is facilitated, and the measurement accuracy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0020] Figure 1 It is the structure schematic view of an automatic inspection glue visual device of the utility model;

[0021] Figure 2 It is the structure schematic view of the side glue detection mechanism of the automatic inspection glue visual device of the utility model;

[0022] Figure 3 It is the structure schematic view of the detection camera of the automatic inspection glue visual device of the utility model;

[0023] Figure 4 is a kind of automatic checking vision device of drawing glue and the schematic diagram of prism distribution structure inside prism frame of the utility model.

[0024] In the figure: 1, detection table;2, front glue detection camera;3, side glue detection mechanism;4, first support frame;5, first electric guide rail;6, second support frame;7, second electric guide rail;8, mounting bracket;9, detection camera;10, prism frame;11, annular light source;12, prism;13, prism imaging module;14, lens. DETAILED DESCRIPTION

[0025] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0026] As Figure 1 , Figure 2 , Figure 3 , Figure 4 indicated, the utility model provides a kind of automatic checking vision device of drawing glue, including detection table 1, detection table 1 is equipped with the front glue detection camera 2 for carrying out front detection to product, detection table 1 is also equipped with the side glue detection mechanism 3 for carrying out side glue detection to product.

[0027] Side glue detection mechanism 3 includes the detection camera 9 of being arranged in detection table 1, the lens front of detection camera 9 is equipped with prism imaging module 13 and annular light source 11.

[0028] Prism imaging module 13 includes prism frame 10, multiple prisms 12 and lens 14, prism frame 10 has multiple inner walls, prism 12 is equipped on each inner wall of prism frame 10, and lens 14 is arranged between multiple prisms 12.Through being equipped with the front glue detection camera 2 for carrying out front detection to product and being equipped with the side glue detection mechanism 3 for carrying out side glue detection to product, it can be realized to carry out glue layer detection to product on front and side.

[0029] Side glue detection mechanism 3 is equipped with prism imaging module 13 in the lens front of detection camera 9, when carrying out side glue detection, the product to be detected can be placed below prism imaging module 13 and annular light source 11, so that prism imaging module 13 carries out imaging to glue layer, so that the outline of glue can be reflected, and it is convenient to measure, to improve measurement accuracy.

[0030] The detection table 1 is provided with a first electric guide rail 5 transversely arranged on the detection table 1 through a first support frame 4, and the front glue detection camera 2 is fixed on the sliding end of the first electric guide rail 5, so that the front glue detection camera 2 can be moved, thereby facilitating the detection of the product.

[0031] The detection table 1 is provided with a second electric guide rail 7 through a second support frame 6, and the sliding end of the second electric guide rail 7 is provided with a mounting frame 8, and the detection camera 9 and the prism imaging module 13 are mounted on the mounting frame 8, so that the detection camera 9, the prism imaging module 13 in front of the lens and the annular light source 11 can be moved.

[0032] The prism frame 10 is a regular octagonal prism structure, and the wider end face of the prism frame 10 is opposite to the lens of the detection camera 9. Each inner wall of the prism frame 10 is provided with a prism 12, and a lens 14 is arranged between the plurality of prisms 12. Eight prisms 12 and one lens 14 divide the entire field of view into nine regions (FOV 1, FOV 2, FOV 3, FOV 4, FOV 5, FOV 6, FOV 7, FOV 8, Top FOV), so that the nine regions are simultaneously imaged clearly. For example, three blocks of the product side glue are detected, and the Top FOV region in the center detects the front glue of the product. For example, FOV 1, FOV 2 and FOV 3 can be used to form a block for detecting the north side, FOV 1, FOV 8 and FOV 7 can be used to form a block for detecting the west side, and FOV 7, FOV 6 and FOV 5 can be used to form a block for detecting the south side.

[0033] The annular light source 11 is arranged on the mounting frame 8 to provide a light source for detection. Figure 3 As shown in the figure, the prism imaging module 13 can be arranged between the annular light source 11 and the lens of the detection camera 9.

[0034] The side edge of the prism 12 is inclined at an angle of 40 to 60 degrees with the horizontal. In this embodiment, the side edge of the prism 12 is inclined at an angle of 50 degrees with the horizontal. When detecting the side glue, the product to be detected can be placed below the prism imaging module 13 and the annular light source 11, and the distance between the annular light source 11 and the product is 8 to 15 mm. The distance between the bottom of the lens of the detection camera 9 and the bottom of the lens 14 is 50 to 70 mm. The automatic inspection and glue drawing vision device repeatedly measures the same product multiple times, thereby avoiding accidental errors in single detection.

[0035] In working, the front-side glue detection camera 2 for detecting the front side of the product and the side glue detection mechanism 3 for detecting the side of the product are arranged, so that the glue layer of the product can be detected from the front side and the side, the prism imaging module 13 is arranged in front of the lens of the detection camera 9, when the side glue detection is carried out, the product to be detected can be placed below the prism imaging module 13 and the annular light source 11, so that the prism imaging module 13 images the glue layer, the prism frame 10 is a regular octagonal prism structure, eight prisms 12 and one lens 14 arranged in the prism frame 10 divide the whole field of view into nine regions (FOV 1, FOV 2, FOV 3, FOV 4, FOV 5, FOV 6, FOV 7, FOV 8, Top FOV), so that the nine regions are simultaneously imaged clearly, so that the glue profile can be reflected, and the measurement is facilitated, so that the measurement accuracy is improved.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. An automatic visual inspection device for glue application, characterized in that, The product includes a testing station (1), which is equipped with a front glue detection camera (2) for front detection of the product, and a side glue detection mechanism (3) for side glue detection of the product. The side glue detection mechanism (3) includes a detection camera (9) set on the detection table (1), and a prism imaging module (13) and a ring light source (11) are provided in front of the lens of the detection camera (9); The prism imaging module (13) includes a truncated frame (10), multiple prisms (12) and a lens (14). The truncated frame (10) has multiple inner walls. Each inner wall of the truncated frame (10) is provided with a prism (12), and the lens (14) is disposed between the multiple prisms (12).

2. The automatic inspection vision device for glue application according to claim 1, characterized in that, The testing platform (1) is mounted on a first electric guide rail (5) arranged horizontally with the testing platform (1) via a first support frame (4), and the front glue testing camera (2) is fixed on the sliding end of the first electric guide rail (5).

3. The automatic inspection vision device for glue application according to claim 1, characterized in that, The detection platform (1) is provided with a second electric guide rail (7) via a second support frame (6), and a mounting frame (8) is installed on the sliding end of the second electric guide rail (7). The detection camera (9) and the prism imaging module (13) are both installed on the mounting frame (8).

4. The automatic inspection vision device for glue application according to claim 3, characterized in that, The prism imaging module (13) is positioned between the ring light source (11) and the lens of the detection camera (9).

5. The automatic inspection vision device for glue application according to claim 1, characterized in that, The wider end face of the frustum frame (10) is directly opposite the lens of the detection camera (9).

6. The automatic inspection vision device for glue application according to claim 1, characterized in that, The frustum frame (10) is a regular octagonal frustum structure.

7. The automatic inspection device for glue application according to claim 1, characterized in that, The prism (12) is tilted at an angle between 40 and 60 degrees to the horizontal.

8. The automatic inspection vision device for glue application according to claim 7, characterized in that, The distance between the ring light source (11) and the product is 8 mm to 15 mm.

9. The automatic inspection vision device for glue application according to claim 1, characterized in that, The distance between the bottom of the lens of the detection camera (9) and the bottom of the lens (14) is 50 mm to 70 mm.

10. The automatic inspection vision device for glue application according to claim 1, characterized in that, The automatic inspection device for glue-marking can repeatedly measure the same product multiple times.

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