Appearance detection device

Abstract

The utility model relates to the technical field of mobile phone LCD (Liquid Crystal Display) lamination detection, in particular to an appearance detection device, which comprises a loading and unloading mechanism and a detection mechanism, the loading and unloading mechanism comprises a movable sliding table, a positioning jig arranged on the movable sliding table and a loading and unloading driving assembly used for driving the movable sliding table to move back and forth; the detection mechanism comprises a portal frame, a supporting seat arranged on the portal frame, a lifting assembly arranged on the supporting seat, a light source assembly arranged on the portal frame and a camera assembly arranged on the lifting assembly; a detection opening is formed in the middle of the portal frame in a penetrating mode, and the detection end of the camera assembly is aligned with the detection opening. According to the utility model, adjustment can be conveniently carried out according to actual shooting requirements; the detection requirements of products of different types and sizes can be flexibly met, meanwhile, automatic feeding and discharging and automatic detection are achieved, manual participation is reduced, the risk of missing detection of defects is reduced, the labor cost is reduced, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone LCD lamination detection, in particular to an appearance detection device. Background Art

[0002] In modern manufacturing, product quality control is crucial for ensuring product competitiveness and customer satisfaction. Appearance inspection is particularly important for products requiring precision machining and high surface quality standards, such as electronic devices and high-end consumer goods. Traditionally, visual inspection relies primarily on manual inspection, using the naked eye to identify surface defects such as scratches, dents, color differences, and contamination from the front, side, and reflective surfaces in bright lighting conditions. However, this approach has significant limitations.

[0003] First, the human eye is highly sensitive to changes in light intensity and angle. Differences in lighting conditions at different times of day or in different environments can lead to inconsistent inspection results. Second, prolonged work such as this can cause operator visual fatigue, reducing inspection efficiency and accuracy and making it prone to misjudgments or missed inspections. This risk is particularly pronounced when processing large quantities of similar products. Furthermore, manual inspection is subject to individual experience and skill levels, making standardized operations difficult to achieve, impacting the consistency and reliability of the overall production process. Summary of the Invention

[0004] In response to the problems of the prior art, the utility model provides an appearance inspection device, which is convenient to adjust according to actual shooting requirements; it can flexibly respond to the inspection needs of products of different types and sizes, and at the same time, realize automatic loading and unloading and automatic inspection, reduce manual participation and thus reduce the risk of missed defects, reduce labor costs, and improve inspection efficiency.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The utility model provides an appearance inspection device, which includes a loading and unloading mechanism and a detection mechanism, wherein the loading and unloading mechanism includes a movable slide, a positioning fixture mounted on the movable slide, and a loading and unloading drive assembly for driving the movable slide to move back and forth; the detection mechanism includes a gantry, a support seat mounted on the gantry, a lifting assembly arranged on the support seat, a light source assembly mounted on the gantry, and a camera assembly mounted on the lifting assembly; a detection opening is provided through the middle of the gantry, a detection end of the camera assembly is aligned with the detection opening, and the light source assembly is located below the detection opening;

[0007] The camera assembly includes an angle adjustment seat, an angle adjustment bracket and a camera body installed at the lower end of the angle adjustment bracket. The angle adjustment seat is installed on the lifting assembly, and the upper end of the angle adjustment bracket is rotatably connected to the angle adjustment seat.

[0008] Among them, the loading and unloading drive assembly includes an loading and unloading base, an loading and unloading servo motor installed at one end of the loading and unloading base, and a transmission screw rotatably set on the loading and unloading base. The output end of the loading and unloading servo motor is drivingly connected to one end of the transmission screw. The movable slide is slidably set on the loading and unloading base, and the lower end of the movable slide is threadedly sleeved on the outer periphery of the transmission screw.

[0009] The angle adjustment seat is provided with a first arc-shaped adjustment groove, and the angle adjustment seat is also provided with a camera fixing part for locking the angle adjustment bracket.

[0010] The lifting assembly includes a lifting base and a lifting drive member for driving the lifting base to move up and down. The angle adjustment seat is installed on the lifting base, and the lifting base is slidably arranged on a side surface of the support seat.

[0011] There are two camera assemblies, which are spaced apart on the lifting assembly, and the detection ends of the two camera assemblies are staggered.

[0012] Among them, the light source assembly includes a mounting bracket, a light source connecting bracket and a light source body, the upper end of the mounting bracket is detachably connected to the gantry, the upper end of the light source connecting bracket is detachably connected to the lower end of the mounting bracket, the two sides of the light source body are respectively rotatably connected to the two sides of the lower end of the light source connecting bracket, and the two sides of the lower end of the light source connecting bracket are respectively provided with light source fixing parts for locking the light source body, and the two sides of the lower end of the light source connecting bracket are respectively provided with second arc-shaped adjustment grooves.

[0013] There are two light source assemblies, and the two light source assemblies are arranged on the gantry at intervals.

[0014] Wherein, the lighting directions of the two light source assemblies are staggered.

[0015] Wherein, the positioning fixture is provided with a plurality of vacuum adsorption holes.

[0016] Beneficial effects of the utility model:

[0017] When the present invention is working, the object to be tested is placed on the positioning fixture, and the loading and unloading driving assembly drives the movable slide to move to the bottom of the detection opening, and then the object to be tested is sent to the bottom of the detection opening, and under the action of the light source assembly, the object to be tested is illuminated, and at the same time, the camera assembly is used to aim at the object to be tested at the detection opening, and the object to be tested is photographed to detect any poor appearance; wherein, under the action of the angle adjustment seat and the angle adjustment bracket, the shooting angle of the camera body can be conveniently adjusted, and it is convenient to adjust according to actual shooting needs; in addition, under the action of the lifting assembly, the upper and lower heights of the camera body can be adjusted, and then the shooting focal length can be adjusted, which can flexibly respond to the inspection needs of products of different types and sizes, and at the same time, realize automatic loading and unloading and automatic inspection, reduce manual participation and thus reduce the risk of missed defects, reduce labor costs, and improve inspection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a structural schematic diagram of an appearance detection device of the present utility model.

[0019] Figure 2 This is a schematic structural diagram of an appearance inspection device of the present invention from another perspective.

[0020] Figure 3 It is a structural diagram of the detection mechanism of the present utility model.

[0021] Figure 4 This is a structural schematic diagram of the detection mechanism of the utility model from another perspective.

[0022] exist Figures 1 to 4 Reference numerals in the figures include:

[0023] 100, loading and unloading mechanism; 200, testing mechanism;

[0024] 1. Moving slide; 2. Positioning fixture; 3. Gantry; 4. Support base; 5. Lifting assembly; 6. Light source assembly; 7. Camera assembly; 8. Detection opening; 9. Angle adjustment base; 10. Angle adjustment bracket; 11. Camera body; 12. Loading and unloading base; 13. Loading and unloading servo motor; 14. First arc adjustment slot; 15. Lifting base; 16. Lifting drive component; 17. Mounting bracket; 18. Light source connecting bracket; 19. Light source body; 20. Second arc adjustment slot. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings. The contents mentioned in the embodiments are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0026] An appearance inspection device, such as Figures 1 to 4As shown, it includes a loading and unloading mechanism 100 and a detection mechanism 200. The loading and unloading mechanism 100 includes a movable slide 1, a positioning fixture 2 installed on the movable slide 1, and a loading and unloading driving assembly for driving the movable slide 1 to move back and forth; the detection mechanism 200 includes a gantry 3, a support base 4 installed on the gantry 3, a lifting assembly 5 provided on the support base 4, a light source assembly 6 installed on the gantry 3, and a camera assembly 7 installed on the lifting assembly 5; a detection opening 8 is provided through the middle of the gantry 3, so that The detection end of the camera assembly 7 is aligned with the detection opening 8, and the light source assembly 6 is located below the detection opening 8; the camera assembly 7 includes an angle adjustment seat 9, an angle adjustment bracket 10 and a camera body 11 installed at the lower end of the angle adjustment bracket 10, the angle adjustment seat 9 is installed on the lifting assembly 5, and the upper end of the angle adjustment bracket 10 is rotatably connected to the angle adjustment seat 9; a plurality of vacuum adsorption holes are provided on the positioning fixture 2, and the vacuum adsorption holes are used to adsorb the object to be tested to prevent loosening from affecting the detection results. Specifically, when the present invention is working, the object to be tested is placed on the positioning fixture 2, and the movable slide 1 is driven by the loading and unloading driving assembly to move to the bottom of the detection opening 8, and then the object to be tested is sent to the bottom of the detection opening 8, and under the action of the light source assembly 6, the object to be tested is illuminated, and at the same time, the camera assembly 7 is used to aim at the object to be tested at the detection opening 8, and the object to be tested is photographed to detect any poor appearance; wherein, under the action of the angle adjustment seat 9 and the angle adjustment bracket 10, the shooting angle of the camera body 11 can be conveniently adjusted, and it is convenient to adjust according to actual shooting needs; in addition, under the action of the lifting assembly 5, the upper and lower heights of the camera body 11 can be adjusted, and then the shooting focal length can be adjusted, which can flexibly respond to the inspection needs of products of different types and sizes, and at the same time, realize automatic loading and unloading and automatic inspection, reduce manual participation and thus reduce the risk of missed defects, reduce labor costs, and improve inspection efficiency.

[0027] In the embodiment of the present application, the loading and unloading drive assembly includes a loading and unloading base 12, a loading and unloading servo motor 13 installed at one end of the loading and unloading base 12, and a transmission screw rotatably arranged on the loading and unloading base 12. The output end of the loading and unloading servo motor 13 is connected to one end of the transmission screw, and the movable slide 1 is slidably arranged on the loading and unloading base 12. The lower end of the movable slide 1 is threadedly sleeved on the outer periphery of the transmission screw. Specifically, under the above-mentioned setting, the loading and unloading servo motor 13 drives the transmission screw to rotate, so as to drive the movable slide 1 to move back and forth along the length direction of the loading and unloading base 12, so as to facilitate the delivery of the object to be tested on the positioning fixture 2 to the bottom of the detection opening 8. After the detection is completed, the movable platform is driven to reset, which facilitates the unloading of the object to be tested, is convenient to use, and improves the efficiency of loading and unloading.

[0028] In the embodiment of the present application, the angle adjustment base 9 is provided with a first arc-shaped adjustment slot 14, and the angle adjustment base 9 is also provided with a camera fixing member for locking the angle adjustment bracket 10. Specifically, the camera fixing member can be a screw, and the screw rod of the camera fixing member passes through the first arc-shaped adjustment slot 14 and is screwed to the angle adjustment bracket 10. Tightening the camera fixing member can fix the position of the angle adjustment bracket 10, thereby locking the shooting angle of the camera body 11, making it easy to adjust and flexible and convenient to use.

[0029] In the embodiment of the present application, the lifting assembly 5 includes a lifting base 15 and a lifting drive 16 for driving the lifting base 15 to move up and down. The angle adjustment seat 9 is mounted on the lifting base 15, and the lifting base 15 is slidably arranged on a side of the support seat 4. The lifting drive 16 can be a cylinder or a transmission structure that cooperates with a handwheel and a screw. Conventional technology is not described here. Specifically, under the above-mentioned setting, the lifting drive 16 can be used to drive the lifting base 15 to move up and down, thereby adjusting the height of the camera assembly 7, that is, the distance between the camera assembly 7 and the object to be detected can be adjusted, thereby adjusting the focal length.

[0030] In the embodiment of the present application, the light source assembly 6 includes a mounting bracket 17, a light source connecting bracket 18 and a light source body 19. The upper end of the mounting bracket 17 is detachably connected to the gantry 3, and the upper end of the light source connecting bracket 18 is detachably connected to the lower end of the mounting bracket 17. The two sides of the light source body 19 are respectively rotatably connected to the two sides of the lower end of the light source connecting bracket 18. The two sides of the lower end of the light source connecting bracket 18 are respectively provided with light source fixing parts for locking the light source body 19. The two sides of the lower end of the light source connecting bracket 18 are respectively provided with second arc-shaped adjustment grooves 20; wherein, the light source fixing part can be a screw, and the screw of the light source fixing part passes through the second arc-shaped adjustment groove 20 and is screwed to the two sides of the light source body 19. The light source body 19 can be locked by tightening the light source fixing part. Conventional technology will not be repeated here. Specifically, under the above settings, the illumination angle of the light source body 19 can be adjusted to adapt to different detection requirements; further, the light source connecting bracket 18 can be disassembled and assembled relative to the mounting bracket 17, which is convenient for adjusting the height of the light source connecting bracket 18. In addition, the mounting bracket 17 and the gantry 3 are detachably connected, which is convenient for assembly and disassembly, replacement and disassembly and maintenance, and flexible to use.

[0031] In the embodiment of the present application, two camera assemblies 7 are provided, and the two camera assemblies 7 are spaced apart and arranged on the lifting assembly 5. The detection ends of the two camera assemblies 7 are staggered. Two light source assemblies 6 are provided, and the two light source assemblies 6 are spaced apart and arranged on the gantry 3. The lighting directions of the two light source assemblies 6 are staggered. Specifically, under the above-mentioned arrangement, the product moved under the detection opening 8 can be illuminated, and the illumination of the product by the two light source assemblies 6 is conducive to improving the detection reliability of the two camera assemblies 7 during detection, and strong working stability.

[0032] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention is disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of the above-disclosed technical contents without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technology of the present invention, which do not depart from the content of the technical solution of the present invention, are within the scope of the technical solution of the present invention.

Claims

1. An appearance inspection device, characterized in that: The invention comprises a loading and unloading mechanism and a detection mechanism, wherein the loading and unloading mechanism comprises a movable slide, a positioning fixture mounted on the movable slide, and a loading and unloading drive assembly for driving the movable slide to move back and forth; the detection mechanism comprises a gantry, a support seat mounted on the gantry, a lifting assembly arranged on the support seat, a light source assembly mounted on the gantry, and a camera assembly mounted on the lifting assembly; a detection opening is provided through the middle of the gantry, a detection end of the camera assembly is aligned with the detection opening, and the light source assembly is located below the detection opening; The camera assembly includes an angle adjustment seat, an angle adjustment bracket and a camera body installed at the lower end of the angle adjustment bracket. The angle adjustment seat is installed on the lifting assembly, and the upper end of the angle adjustment bracket is rotatably connected to the angle adjustment seat.

2. The appearance inspection device according to claim 1, characterized in that: The loading and unloading drive assembly includes an loading and unloading base, an loading and unloading servo motor installed at one end of the loading and unloading base, and a transmission screw rotatably set on the loading and unloading base. The output end of the loading and unloading servo motor is drivingly connected to one end of the transmission screw. The movable slide is slidably set on the loading and unloading base, and the lower end of the movable slide is threadedly sleeved on the outer periphery of the transmission screw.

3. The appearance inspection device according to claim 1, characterized in that: The angle adjustment seat is provided with a first arc-shaped adjustment groove, and the angle adjustment seat is also provided with a camera fixing piece for locking the angle adjustment bracket.

4. The appearance inspection device according to claim 1, characterized in that: The lifting assembly includes a lifting base and a lifting driving member for driving the lifting base to move up and down. The angle adjustment seat is installed on the lifting base, and the lifting base is slidably arranged on a side surface of the support seat.

5. The appearance inspection device according to claim 1, characterized in that: There are two camera assemblies, which are arranged at intervals on the lifting assembly, and the detection ends of the two camera assemblies are arranged in a staggered manner.

6. The appearance inspection device according to claim 1, characterized in that: The light source assembly includes a mounting bracket, a light source connecting bracket and a light source body. The upper end of the mounting bracket is detachably connected to the gantry, the upper end of the light source connecting bracket is detachably connected to the lower end of the mounting bracket, the two sides of the light source body are respectively rotatably connected to the two sides of the lower end of the light source connecting bracket, and the two sides of the lower end of the light source connecting bracket are respectively provided with light source fixing parts for locking the light source body, and the two sides of the lower end of the light source connecting bracket are respectively provided with second arc-shaped adjustment grooves.

7. The appearance inspection device according to claim 1, characterized in that: There are two light source assemblies, and the two light source assemblies are arranged on the gantry at intervals.

8. The appearance inspection device according to claim 7, characterized in that: The lighting directions of the two light source assemblies are staggered.

9. The appearance inspection device according to claim 1, characterized in that: The positioning fixture is provided with a plurality of vacuum adsorption holes.

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