Product side wall appearance detection equipment

Abstract

The utility model provides product side wall appearance detection equipment which comprises a base plate, a detection position used for placing a product is arranged on the base plate, a main detection frame located beside the detection position is installed on the base plate, a first camera is installed on the main detection frame, and the first camera horizontally faces the detection position so that the first camera can shoot in parallel with one side wall of the product. A second camera which inclines downwards to face the detection position is installed above the first camera so that the second camera can shoot the upper end edge of one side wall of the product, and a third camera which inclines upwards to face the detection position is installed below the first camera so that the third camera can shoot the lower end edge of one side wall of the product; the upper end edge and the lower end edge of one side wall of a product are subjected to supplementary shooting through the second camera and the third camera, so that a software system identifies the upper end edge and the lower end edge of the side wall of the product, and the appearance detection accuracy is improved; the utility model belongs to the technical field of detection equipment.

Description

Technical Field

[0001] The utility model belongs to the technical field of detection equipment, and in particular relates to a product side wall appearance detection device. Background Art

[0002] In conventional product side appearance inspection equipment, a visual camera parallel to the product side wall is mainly used to photograph the product side wall, and then a software system (i.e., visual software) is used to identify the photographed photo to determine whether there are defects in the product side wall.

[0003] With the improvement of the aesthetics of electronic devices and the pursuit of a better grip, electronic equipment manufacturers nowadays generally chamfer, round or other design features on the outer edges of electronic devices. Since the design features on the outer edges are generally not on the same parallel plane as the side walls of the products, when the visual camera shoots the side walls of the products, the outer edges (i.e. the design features) of the side walls of the products shown in the photos are deformed, displaced or blocked, thus affecting the accuracy of appearance inspection. Utility Model Content

[0004] The utility model aims to provide a product side wall appearance detection device to solve the technical problems described in the background technology.

[0005] The product side wall appearance inspection equipment includes a substrate, a detection position for parking products is provided on the substrate, a main inspection frame is installed on the substrate and is located next to the detection position, a first camera is installed on the main inspection frame, the first camera is horizontally facing the detection position so that the first camera can shoot parallel to a side wall of the product, a second camera is installed above the first camera and tilted downward toward the detection position so that the second camera can shoot the upper edge of one side wall of the product, and a third camera is installed below the first camera and tilted upward toward the detection position so that the third camera can shoot the lower edge of one side wall of the product.

[0006] According to the technical solution, the utility model achieves the following beneficial effects:

[0007] 1. In the photo taken by the first camera in parallel to one side wall of the product, since the chamfers, rounded corners or other shapes of the upper and lower sides of the product side wall shown in the photo are deformed, displaced or blocked to a certain extent, the utility model uses the second camera and the third camera to supplement the upper and lower sides of one side wall of the product, so that the software system can identify the upper and lower sides of the product side wall, thereby improving the accuracy of appearance inspection;

[0008] 2. Since the second camera and the third camera are parallel to the upper and lower edges of the product side wall, the second camera and the third camera can accurately capture the modeling details of the upper and lower edges of the product side wall, thereby further improving the accuracy of appearance inspection;

[0009] 3. Since the second camera and the third camera take additional photos of the upper and lower edges of one side wall of the product, the software system can use the additional photos to compare and correct the photos taken by the first camera, thereby improving the accuracy of appearance inspection.

[0010] In order to further optimize the above technical solution, it can be optionally combined with one or more of the following implementation methods without conflict.

[0011] In some embodiments, the main inspection frame is provided with an annular light source plate for irradiating around one side wall of the product, and the annular light source plate is provided with a first avoidance hole, a second avoidance hole and a third avoidance hole, the first avoidance hole is horizontally oriented toward the inspection position, so that the first camera can shoot through the first avoidance and in parallel with one side wall of the product, the second avoidance hole is tilted downward toward the inspection position, so that the second camera can shoot through the second avoidance hole to the upper end of one side wall of the product, and the third avoidance hole is tilted upward toward the inspection position, so that the third camera can shoot through the third avoidance hole to the lower end of one side wall of the product;

[0012] According to the technical solution, the utility model provides uniform fill light to one side wall of the product through the annular light source plate, thereby ensuring that the first camera, the second camera and the third camera can be exposed stably and consistently.

[0013] In some embodiments, the main detection frame is equipped with an avoidance screw module that can drive the annular light source plate away from the detection position;

[0014] According to the technical solution, when the product is transferred or moved away from the detection position, the annular light source plate can be driven away from the detection position by the avoidance screw module, thereby achieving avoidance.

[0015] In some embodiments, a light shielding plate is provided on one side of the annular light source plate close to the first camera, the second camera, and the third camera;

[0016] According to the technical solution, backlight can be avoided in the photos taken by the first camera, the second camera and the third camera.

[0017] In some embodiments, an auxiliary inspection frame is installed on the substrate and is located on the other side of the inspection position. The auxiliary inspection frame is installed with a fourth camera. The fourth camera is tilted and arranged with the same focus as the second camera or the third camera, so that the fourth camera can shoot the upper wall surface of the product close to the upper end edge of one side wall or the lower wall surface of the product close to the lower end edge of one side wall;

[0018] According to the technical solution, the utility model can use the fourth camera to supplementally shoot the upper edge portion of the upper wall of the product close to the upper end of one side wall or the lower wall of the product close to the lower end of one side wall, so as to capture the adjacent edge details of the chamfer, rounded corner or other shapes, thereby further improving the accuracy of appearance detection.

[0019] In some embodiments, the main inspection frame is equipped with an auxiliary light source board for illuminating the upper wall surface of the product close to the upper edge of one side wall or illuminating the lower wall surface of the product close to the lower edge of one side wall;

[0020] According to the technical solution, when the fourth camera is shooting, the auxiliary light source board can provide fill light to the fourth camera, thereby ensuring that the fourth camera can be stably exposed.

[0021] In some embodiments, the auxiliary detection frame is equipped with a positioning screw module that can drive the fourth camera to move;

[0022] According to the technical solution, after the product is moved to the inspection position, the fourth camera can be driven to move by the positioning screw module to adjust the position of the fourth camera, so that the fourth camera can accurately shoot the upper wall of the product close to the upper edge of one side wall or the lower wall of the product close to the lower edge of one side wall.

[0023] In some embodiments, a robot for carrying the product into the inspection position and supporting the product is mounted on the substrate;

[0024] According to the technical solution, the product can be automatically transferred to the inspection position and the side wall of the product can be horizontally aligned with the first camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation of the present invention, the following is a brief description of the drawings and reference numerals required to be used in the description of the specific implementation.

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 It is a front view of the main detection frame and the auxiliary detection frame of the utility model;

[0028] Figure 3 It is a structural schematic diagram of the main detection frame of the utility model;

[0029] Figure 4 It is another structural schematic diagram of the main detection frame of the utility model.

[0030] Reference numerals:

[0031] 1. Substrate; 11. Robot; 12. Detection position; 2. Main detection frame; 31. Shift screw module; 32. Ring light source board; 33. First avoidance hole; 34. Second avoidance hole; 35. Third avoidance hole; 36. Shading plate; 37. Auxiliary light source board; 41. First camera; 42. Second camera; 43. Third camera; 5. Auxiliary detection frame; 51. Adjustment screw module; 52. Fourth camera; 6. Product. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings.

[0033] like Figures 1 to 4 As shown, this specific embodiment provides a product 6 side wall appearance inspection device, which includes a base plate 1, and a robot 11, a main inspection frame 2 and an auxiliary inspection frame 5 are installed on the base plate 1.

[0034] A detection position 12 for parking the product 6 is provided on the substrate 1 , and the robot 11 is used to carry the product 6 into the detection position 12 and support the product 6 .

[0035] The main detection frame 2 is located beside the detection position 12 , and is equipped with an avoidance screw module, a first camera 41 , a second camera 42 , a third camera 43 and an auxiliary light source board 37 .

[0036] The avoidance screw module is provided with an annular light source plate 32 for irradiating around one side wall of the product 6. The avoidance screw module can drive the annular light source plate 32 away from the detection position 12. The annular light source plate 32 is provided with a first avoidance hole 33, a second avoidance hole 34 and a third avoidance hole 35. The first avoidance hole 33 is horizontally facing the detection position 12, the second avoidance hole 34 is inclined downward toward the detection position 12, and the third avoidance hole 35 is inclined upward toward the detection position 12. The annular light source plate 32 is provided with a shading plate 36.

[0037] The first camera 41 is horizontally directed toward the detection position 12, so that the first camera 41 can shoot parallel to the side wall of the product 6 through the first avoidance; the second camera 42 is located above the first camera 41, and the second camera 42 is tilted downward toward the detection position 12, so that the second camera 42 can shoot the upper edge of one side wall of the product 6 through the second avoidance hole 34; the third camera 43 is located below the first camera 41, and the third camera 43 is tilted upward toward the detection position 12, so that the third camera 43 can shoot the lower edge of one side wall of the product 6 through the third avoidance hole 35; a shading plate 36 is provided on one side of the annular light source plate 32 close to the first camera 41, the second camera 42 and the third camera 43.

[0038] The auxiliary light source panel 37 illuminates the upper wall surface of the product 6 close to the upper edge of one side wall or illuminates the lower wall surface of the product 6 close to the lower edge of one side wall.

[0039] The auxiliary detection frame 5 is located on the other side of the detection position 12. The auxiliary detection frame 5 is installed with a positioning screw module 51. The positioning screw module 51 is provided with a fourth camera 52. The positioning screw module 51 drives the fourth camera 52 to move. The fourth camera 52 is tilted and arranged at the same focus as the second camera 42 or the third camera 43, so that the fourth camera 52 can shoot the upper wall surface of the product 6 close to the upper end edge of one side wall or the lower wall surface of the product 6 close to the lower end edge of one side wall.

[0040] The following is the working process of a product 6 side wall appearance inspection device described in this specific implementation method:

[0041] The robot 11 carries the product 6 into the detection position 12 and supports the product 6, and at the same time aligns the side wall of the product 6 horizontally with the first camera 41; thereafter, the avoidance screw module drives the annular light source plate 32 to approach the detection position 12, so that the annular light source plate 32 can provide uniform fill light to one side wall of the product 6, and the auxiliary light source plate 37 can provide fill light to the fourth camera 52; thereafter, the first camera 41 takes photos of the side wall of the product 6 in parallel, the second camera 42 can take supplementary photos of the chamfered corners, rounded corners or other shapes of the upper end edge of the side wall of the product 6 through the second avoidance hole 34, and the third camera 43 can take supplementary photos of the chamfered corners, rounded corners or other shapes of the lower end edge of the side wall of the product 6 through the third avoidance hole 35; thereafter / at the same time, the adjustment screw module 51 can drive the fourth camera 52 to move to adjust the fourth camera 52, the fourth camera 52 supplements the photograph of the upper wall surface of the product 6 close to the upper end edge of one side wall or the lower wall surface of the product 6 close to the lower end edge of one side wall, so as to capture the adjacent edge details of the chamfer, fillet or other shapes; thereafter, the software system (i.e., conventional visual software) identifies the photos taken by the first camera 41, the supplementary photos taken by the second camera 42 and the supplementary photos taken by the third camera 43, and uses the supplementary photos to compare and correct the photos taken by the first camera 41, so as to determine whether the chamfer, fillet or other shapes of the side wall, the upper end edge of the side wall and the lower end edge of the side wall of the product 6 are defective; after completing the inspection, the avoidance screw module drives the annular light source plate 32 away from the inspection position 12; thereafter, the robot 11 moves the product 6 out of the inspection position 12.

Claims

1. A product (6) side wall appearance inspection device, comprising a substrate (1), wherein the substrate (1) is provided with an inspection position (12) for parking the product (6), characterized in that: A main detection frame (2) located next to the detection position (12) is installed on the substrate (1), and a first camera (41) is installed on the main detection frame (2). The first camera (41) is horizontally oriented toward the detection position (12) so that the first camera (41) can shoot in parallel with a side wall of the product (6). A second camera (42) is installed above the first camera (41) and tilted downward toward the detection position (12) so that the second camera (42) can shoot the upper edge of a side wall of the product (6). A third camera (43) is installed below the first camera (41) and tilted upward toward the detection position (12) so that the third camera (43) can shoot the lower edge of a side wall of the product (6).

2. A product (6) side wall appearance inspection device according to claim 1, characterized in that: The main detection frame (2) is provided with an annular light source plate (32) for irradiating around a side wall of the product (6), and the annular light source plate (32) is provided with a first avoidance hole (33), a second avoidance hole (34) and a third avoidance hole (35). The first avoidance hole (33) is horizontally oriented toward the detection position (12) so that the first camera (41) can shoot through the first avoidance hole in parallel with the side wall of the product (6). The second avoidance hole (34) is tilted downward toward the detection position (12) so that the second camera (42) can shoot through the second avoidance hole (34) the upper edge of the side wall of the product (6). The third avoidance hole (35) is tilted upward toward the detection position (12) so that the third camera (43) can shoot through the third avoidance hole (35) the lower edge of the side wall of the product (6).

3. A product (6) side wall appearance inspection device according to claim 2, characterized in that: The main detection frame (2) is equipped with an avoidance screw module capable of driving the annular light source plate (32) away from the detection position (12).

4. A product (6) side wall appearance inspection device according to claim 2, characterized in that: A light shielding plate (36) is provided on one side of the annular light source plate (32) close to the first camera (41), the second camera (42) and the third camera (43).

5. A product (6) side wall appearance inspection device according to claim 1, characterized in that: An auxiliary detection frame (5) is installed on the substrate (1) and is located on the other side of the detection position (12). The auxiliary detection frame (5) is provided with a fourth camera (52). The fourth camera (52) is tilted and arranged with the same focus as the second camera (42) or the third camera (43), so that the fourth camera (52) can shoot the upper edge of the upper wall of the product (6) close to the upper end of one side wall or the lower wall of the product (6) close to the lower end of one side wall.

6. A product (6) side wall appearance inspection device according to claim 5, characterized in that: The main detection frame (2) is equipped with an auxiliary light source panel (37) for illuminating the upper wall surface of the product (6) close to the upper edge of one side wall or illuminating the lower wall surface of the product (6) close to the lower edge of one side wall.

7. A product (6) side wall appearance inspection device according to claim 5, characterized in that: The auxiliary detection frame (5) is installed with a positioning screw module (51) for driving the fourth camera (52) to move.

8. A product (6) side wall appearance inspection device according to any one of claims 1 to 7, characterized in that: A robot (11) is installed on the substrate (1) for carrying the product (6) into the detection position (12) and supporting the product (6).

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