Automatic optical detection equipment for appearance size and auxiliary materials of mobile phone rear cover

Abstract

The invention discloses a mobile phone rear cover appearance size and auxiliary material automatic optical detection device, which comprises a machine table, the top surface of the machine table is fixedly connected with an appearance detection mechanism, and the top surface of the machine table is provided with two alternate shaft feeding mechanisms below the appearance detection mechanism; each alternating shaft feeding mechanism comprises a conveying linear motor fixedly connected to the top face of the machine table, the conveying linear motors of the two alternating shaft feeding mechanisms are parallel to each other, the top faces of rotors of the conveying linear motors are fixedly connected with a driving block, and two product jigs are arranged on the top face of the driving block. According to the invention, rapid and high-precision detection is carried out on the external dimension and auxiliary materials of a detected object through an AI algorithm, rapid feeding of products is realized through cooperation with two sets of alternate shaft feeding mechanisms, when appearance detection is carried out on one group of products, auxiliary material detection is carried out on the other group of products at the same time, alternate detection is realized, the efficiency is higher, automatic detection is realized, and manual participation is not needed.

Description

Technical Field

[0001] The invention relates to the technical field of mobile phone back cover detection, in particular to an automatic optical detection device for the appearance size and auxiliary materials of a mobile phone back cover. Background Art

[0002] It is very common for the appearance and dimensions of the back cover of mobile phones to be defective. The main manifestations of poor appearance and dimensions are defects such as machining, scratches, poor process, and missing accessories. The existence of these defects will affect the appearance of the product, and will cause safety accidents and affect the company's reputation. Therefore, in order to ensure the quality of the product, it is of great significance to conduct appearance and dimension and missing accessories inspection on the key parts of the back cover of the mobile phone. At present, the main means of inspection for the back cover of mobile phones in the industry are: manual sampling and single-station manual vision inspection, plus size inspection equipment for inspection. This inspection method has the following defects: This method is inefficient and wastes manpower and material resources. It also leads to a very high misjudgment rate due to subjective human assumptions. In addition, the appearance and size cannot be tested at the same time, which results in numerous processes. While increasing the process flow, it also increases human influence, making it impossible to perform efficient and accurate inspection of the back cover of the mobile phone.

[0003] To this end, we propose an automatic optical inspection device for the appearance size and auxiliary materials of mobile phone back covers to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic optical inspection device for the appearance size and auxiliary materials of a mobile phone back cover to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic optical inspection device for the appearance size and auxiliary materials of a mobile phone back cover, comprising a machine platform, the top surface of the machine platform is fixedly connected to an appearance inspection mechanism, and the top surface of the machine platform is located below the appearance inspection mechanism and is provided with two alternating shaft feeding mechanisms; The alternating axis feeding mechanism includes a conveying linear motor fixedly connected to the top surface of the machine platform. The conveying linear motors of the two alternating axis feeding mechanisms are parallel to each other. The top surface of the mover of the conveying linear motor is fixedly connected to the driving block. The top surface of the driving block is provided with two product fixtures.

[0006] Preferably, the top surface of the machine is fixedly connected to an auxiliary material detection mechanism, and the top surface of the machine near the appearance detection mechanism is fixedly connected to a material unloading robot.

[0007] Preferably, one side of the top surface of the machine is fixedly connected to a NG product conveyor line, and the end of the top surface of the machine near the end of the NG product conveyor line is fixedly connected to an OK product unloading conveyor line.

[0008] Preferably, the top surface of the driving block is fixedly connected to a sliding table, a moving table is horizontally slidably arranged on the top surface of the sliding table, one side of the top surface of the moving table is fixedly connected to a table body, and the two product fixtures are fixedly connected to the top surface of the table body.

[0009] Preferably, two slide rails are fixedly connected to both sides of the top surface of the sliding table, the slide rails are vertical to the conveying linear motor, the top surface of the slide rails is horizontally slidably connected to the slider, the slider is fixed to the bottom surface of the moving table, one side of the top surface of the sliding table is fixedly connected to the left and right alternating cylinders, the bottom surface of the moving table is fixedly connected to the power block near the position of the left and right alternating cylinders, the output ends of the left and right alternating cylinders are fixedly connected to the side walls of the power block, and a plurality of balance adjustment screws are threadedly connected to the table body, and the balance adjustment screws contact the surface of the moving table.

[0010] Preferably, the bottom surface of the machine is fixedly connected to the lower frame, the interior of the lower frame is fixedly connected to the detection host, the side wall of the lower frame is fixedly connected to the power switch and the air source interface, the bottom surface of the lower frame is fixedly connected to a plurality of shock-absorbing feet, the edge of the top surface of the machine is fixedly connected to the upper frame, the top surface of the upper frame is fixedly connected to the FFU, the top surface of the upper frame is also fixedly connected to a three-color light, the side wall of the upper frame is fixedly connected to the display and the keyboard, and the side wall of the upper frame is fixedly connected with a touch screen and buttons.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention uses AI algorithms to quickly and highly accurately detect the appearance dimensions and auxiliary materials of the object under test, and cooperates with two sets of alternating axis feeding mechanisms to realize rapid loading of products. When one group of products is undergoing appearance inspection, the other group of products is undergoing auxiliary material inspection at the same time, thereby realizing alternating inspection with higher efficiency and realizing automated inspection without human intervention. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the main structure in the first and second embodiments of the present invention; Figure 2 It is a schematic diagram of the structure of the other side of the main body in the first and second embodiments of the present invention; Figure 3 It is a schematic diagram of the internal structure of the main body in the first and second embodiments of the present invention; Figure 4 It is a schematic diagram of the structure of the other side of the main body in the first and second embodiments of the present invention; Figure 5 It is a schematic diagram of the structure of the alternating shaft feeding mechanism in the first and second embodiments of the present invention.

[0013] In the figure: 1. Machine; 2. Appearance inspection mechanism; 3. Unloading robot; 4. Alternating axis loading mechanism; 5. OK product unloading conveyor line; 6. NG product conveyor line; 7. Auxiliary material inspection mechanism; 8. Lower frame; 9. Upper frame; 10. Inspection host; 11. Power switch; 12. Air source interface; 13. Shock-absorbing feet; 14. FFU; 15. Three-color light; 16. Display; 17. Keyboard; 18. Touch screen; 19. Button; 41. Conveying linear motor; 42. Drive block; 43. Sliding table; 44. Moving table; 45. Table body; 46. Product fixture; 47. Balance adjustment screw; 48. Slide rail; 49. Slider; 410. Power block; 411. Left and right alternating cylinder. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0015] See also Figure 1-5 The present invention provides a technical solution: an automatic optical inspection device for the appearance size and auxiliary materials of a mobile phone back cover, comprising a machine platform 1, a top surface of the machine platform 1 is fixedly connected to an appearance inspection mechanism 2, and two alternating shaft feeding mechanisms 4 are arranged on the top surface of the machine platform 1 below the appearance inspection mechanism 2; The alternating axis feeding mechanism 4 includes a conveying linear motor 41 fixedly connected to the top surface of the machine table 1. The conveying linear motors 41 of the two alternating axis feeding mechanisms 4 are parallel to each other. The top surface of the mover of the conveying linear motor 41 is fixedly connected to a driving block 42. Two product fixtures 46 are arranged on the top surface of the driving block 42. Two sets of alternating axis feeding mechanisms 4 on both sides are used for feeding. The product is driven to switch its position by the left and right alternating cylinders 411. In this way, the entire feeding rhythm is accelerated and the efficiency is improved. Example

[0016] See also Figure 1-5 , which is the second embodiment of the present invention, is based on the previous embodiment, and the auxiliary material detection mechanism 7 is fixedly connected to the top surface of the machine 1, and the unloading robot 3 is fixedly connected to the top surface of the machine 1 near the appearance detection mechanism 2.

[0017] One side of the top surface of the machine 1 is fixedly connected to the NG product conveyor line 6 , and the end of the top surface of the machine 1 near the end of the NG product conveyor line 6 is fixedly connected to the OK product unloading conveyor line 5 .

[0018] The top surface of the driving block 42 is fixedly connected to a sliding table 43 , and a moving table 44 is horizontally slidably arranged on the top surface of the sliding table 43 . One side of the top surface of the moving table 44 is fixedly connected to a table body 45 , and two product fixtures 46 are fixedly connected to the top surface of the table body 45 .

[0019] Two slide rails 48 are fixedly connected to both sides of the top surface of the sliding table 43, and the slide rails 48 are vertical to the conveying linear motor 41. The top surface of the slide rails 48 is horizontally slidably connected to the slider 49, and the slider 49 is fixed to the bottom surface of the moving table 44. One side of the top surface of the sliding table 43 is fixedly connected to the left and right alternating cylinders 411, and the bottom surface of the moving table 44 is fixedly connected to the power block 410 near the position of the left and right alternating cylinders 411, and the output end of the left and right alternating cylinders 411 is fixedly connected to the side wall of the power block 410. A plurality of balance adjustment screws 47 are threadedly connected to the table body 45, and the balance adjustment screws 47 contact the surface of the moving table 44.

[0020] The bottom surface of the machine 1 is fixedly connected to the lower frame 8, the interior of the lower frame 8 is fixedly connected to the detection host 10, the side wall of the lower frame 8 is fixedly connected to the power switch 11 and the air source interface 12, the bottom surface of the lower frame 8 is fixedly connected to a plurality of shock-absorbing feet 13, the top edge of the machine 1 is fixedly connected to the upper frame 9, the top surface of the upper frame 9 is fixedly connected to the FFU 14, the top surface of the upper frame 9 is also fixedly connected to the three-color light 15, the side wall of the upper frame 9 is fixedly connected to the display 16 and the keyboard 17, and the side wall of the upper frame 9 is fixedly connected to the touch screen 18 and the button 19. Example

[0021] See also Figure 1-5 , which is the third embodiment of the present invention. This embodiment is based on the above two embodiments. When the present invention is in use, the material is manually taken and placed on the product fixture 46, and the product is transported to the position of the appearance inspection mechanism 2 by the alternating axis feeding mechanism 4. After the inspection is completed, the alternating axis feeding mechanism 4 conveys the product to the unloading position, and the unloading robot 3 takes the product to the auxiliary material inspection mechanism 7 to inspect the auxiliary materials, and transmits the obtained data to the inspection host 10 in real time. The software AI algorithm is used to analyze and judge whether the product is NG or OK, and the unloading robot 3 puts the NG product into the NG product conveyor line 6 for unloading, and the unloading robot 3 puts the OK product into the OK product unloading conveyor line 5 for unloading; the present invention uses the AI ​​algorithm to quickly and accurately detect the appearance size and auxiliary materials of the object to be tested, and cooperates with two sets of alternating axis feeding mechanisms 4 to realize rapid loading of products. When one group of products is undergoing appearance inspection, another group of products is undergoing auxiliary material inspection at the same time, realizing alternating inspection, which is more efficient and realizes automated inspection without manual participation.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic optical inspection device for the appearance dimensions and auxiliary materials of a mobile phone back cover, comprising a machine (1), characterized in that: The top surface of the machine platform (1) is fixedly connected to the appearance detection mechanism (2), and two alternating shaft feeding mechanisms (4) are arranged on the top surface of the machine platform (1) below the appearance detection mechanism (2); The alternating axis feeding mechanism (4) comprises a conveying linear motor (41) fixedly connected to the top surface of the machine platform (1); the conveying linear motors (41) of the two alternating axis feeding mechanisms (4) are parallel to each other; the top surface of the mover of the conveying linear motor (41) is fixedly connected to a driving block (42); and the top surface of the driving block (42) is provided with two product fixtures (46).

2. The automatic optical inspection device for the appearance size and auxiliary materials of the mobile phone back cover according to claim 1, characterized in that: The top surface of the machine platform (1) is fixedly connected to an auxiliary material detection mechanism (7), and the top surface of the machine platform (1) is fixedly connected to a material unloading robot (3) at a position close to the appearance detection mechanism (2).

3. The automatic optical inspection device for the appearance size and auxiliary materials of the mobile phone back cover according to claim 2 is characterized by: One side of the top surface of the machine (1) is fixedly connected to an NG product conveyor line (6), and an OK product unloading conveyor line (5) is fixedly connected to an end of the top surface of the machine (1) near the end of the NG product conveyor line (6).

4. The automatic optical inspection device for the appearance size and auxiliary materials of the mobile phone back cover according to claim 1, characterized in that: The top surface of the driving block (42) is fixedly connected to a sliding table (43), the top surface of the sliding table (43) is provided with a moving table (44) for horizontal sliding movement, one side of the top surface of the moving table (44) is fixedly connected to a table body (45), and the two product fixtures (46) are fixedly connected to the top surface of the table body (45).

5. The automatic optical inspection device for the appearance size and auxiliary materials of the mobile phone back cover according to claim 4, characterized in that: Two slide rails (48) are fixedly connected to the two sides of the top surface of the sliding platform (43), and the slide rails (48) are in a vertical state with the conveying linear motor (41). The top surface of the slide rails (48) is horizontally slidably connected to a slider (49), and the slider (49) is fixedly connected to the bottom surface of the moving platform (44). One side of the top surface of the sliding platform (43) is fixedly connected to the left and right alternating cylinders (411), and the bottom surface of the moving platform (44) is fixedly connected to the power block (410) near the position of the left and right alternating cylinders (411), and the output end of the left and right alternating cylinders (411) is fixedly connected to the side wall of the power block (410). A plurality of balance adjustment screws (47) are threadedly connected to the platform body (45), and the balance adjustment screws (47) contact the surface of the moving platform (44).

6. The automatic optical inspection device for the appearance size and auxiliary materials of the mobile phone back cover according to claim 1, characterized in that: The bottom surface of the machine platform (1) is fixedly connected to a lower frame (8), the interior of the lower frame (8) is fixedly connected to a detection host (10), the side wall of the lower frame (8) is fixedly connected to a power switch (11) and an air source interface (12), the bottom surface of the lower frame (8) is fixedly connected to a plurality of shock-absorbing feet (13), the top edge of the machine platform (1) is fixedly connected to an upper frame (9), the top surface of the upper frame (9) is fixedly connected to an FFU (14), the top surface of the upper frame (9) is also fixedly connected to a three-color light (15), the side wall of the upper frame (9) is fixedly connected to a display (16) and a keyboard (17), and the side wall of the upper frame (9) is fixedly connected to a touch screen (18) and a button (19).

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