Vision inspection equipment for charging connectors based on large field of view optical imaging

Abstract

The patent of the present invention relates to a visual inspection device for charging connectors based on wide-field optical imaging, which has a working platform; a loading tray and multiple detection platforms are provided on the working platform, multiple bases are provided on each detection platform, first mechanical arms are relatively provided on the working platform, each first mechanical arm is provided with a vacuum suction cup, a first shooting camera is also provided between the loading tray and each detection platform, and a shooting component for shooting each side and top surface of the charging connector on the detection platform is also provided on the working platform, the shooting component includes a second mechanical arm fixed on the working platform, a second shooting camera fixed on the mechanical arm, and an annular light source fixed on the second shooting camera, and the second shooting camera shoots the charging connector through the coordinated cooperation of the annular light source and the second mechanical arm. The patent of the present invention can effectively and quickly detect and sort the charging connector, which is efficient and practical.

Description

Technical Field

[0001] The patent of this invention relates to a visual inspection device for charging connectors based on wide-field optical imaging. Background Art

[0002] With the advent of the electronic information age, mobile phones have become an indispensable electronic device in our work and life. Due to the need for miniaturization in the manufacturing and production process of mobile phones, the production accuracy of their components is required to be high. Only when the size is guaranteed to be accurate can the later assembly be guaranteed. Among them, the connector of the mobile phone charger is an important part of the mobile phone. In addition to the production accuracy affecting its size during the production process, scratches and bumps may occur during its transfer and transportation. Therefore, it is necessary to conduct an appearance inspection of the charging connector of the charger. When performing appearance and size inspection on the charging connector, it is often necessary to rely on a combination of manual and machine inspection. The entire inspection process is labor-intensive, and the probability of false detection and missed detection is high, which is very inconvenient.

[0003] Invention patent content

[0004] The purpose of this patent is to provide a visual inspection device for charging connectors based on wide-field optical imaging, which can achieve accurate inspection and sorting of charging connectors.

[0005] The technical solution for achieving the purpose of the patent of the present invention is: the patent of the present invention has a working platform; the working platform is provided with a loading tray and multiple detection platforms, each detection platform is provided with multiple bases for placing charging connectors and driven to rotate by a rotating motor, and the working platform is relatively provided with first mechanical arms for transferring the charging connectors from the loading tray to each detection platform, each first mechanical arm is provided with a vacuum suction cup for grabbing the charging connector, and a first shooting camera for photographing the bottom of the charging connector is also provided between the loading tray and each detection platform, and the working platform is also provided with a shooting component for photographing the various side surfaces and top surfaces of the charging connector on the detection platform, the shooting component includes a second mechanical arm fixed on the working platform, a second shooting camera fixed on the second mechanical arm, and a ring-shaped light source fixed on the second shooting camera, and the second shooting camera photographs the charging connector through the coordinated cooperation of the ring-shaped light source and the second mechanical arm.

[0006] The above-mentioned loading tray is fixedly provided with a material guide rod for discharging materials, and the material guide rod is provided with at least one material guide groove extending along the extension direction of the material guide rod and can be used to discharge the charging connector; a material preparation mechanism is provided between the loading tray and the first shooting camera, and the material preparation mechanism includes a positioning plate fixed on the working platform, a positioning block fixed on the positioning plate, a plurality of sliding blocks connected to the positioning block after being driven by a driving member and sliding horizontally, a connecting block connecting two adjacent sliding blocks, and a support fixed on each sliding block and used for holding the charging connector; the positioning plate is provided with a through groove for the material guide rod to pass through, and the support is provided with positioning grooves corresponding to each material guide groove on the material guide rod; after one end of each material guide rod passes through the through groove and is pressed against the support, the material guide groove and the positioning groove are connected.

[0007] The above-mentioned working platform is fixedly provided with a fixed base, and each detection platform is fixed on the fixed base. Each rotating motor is located at the bottom of the corresponding detection platform, and each rotating motor is fixed on the fixed base. A connecting plate is fixedly provided in the detection platform, and a driving shaft and a driven shaft corresponding to each base are rotatably provided on the connecting plate. One end of the driving shaft passes through the connecting plate and is fixedly connected to the output end of the rotating motor through a coupling. A driving gear is fixedly provided on the driving shaft, and each driven shaft is provided with a driven gear. Each base is driven by the rotating motor to drive the driving shaft to rotate, and the driving gear and each driven gear are driven to rotate in coordination and are arranged on the detection platform.

[0008] A partition is fixedly provided on the fixed base, and a plurality of shading blocks corresponding to each second shooting camera and used to block light from reaching the first shooting camera are arranged on the partition, and each shading block is horizontally fixed on the surface of the partition facing the annular light source.

[0009] An adjustment bracket is provided between the second robotic arm and each second shooting camera, and the adjustment bracket includes a robotic arm mounting plate and a camera mounting plate, the robotic arm mounting plate is fixed on the second robotic arm, the robotic arm mounting plate and the camera mounting plate are vertically connected, and each second shooting camera is fixedly mounted on the camera mounting plate, and each second shooting camera and the ring light source on each second shooting camera simultaneously shoot the charging connectors on each detection platform through the coordinated cooperation of the second robotic arm and the adjustment bracket.

[0010] Both sides of the above-mentioned working platform are provided with a sorting device for collecting and classifying the charging connectors, and each sorting device corresponds to each first robotic arm. The sorting device includes a positioning bracket fixed on the working platform, a sorting mounting plate fixed on the positioning bracket, a mobile bracket driven by a first motor to slide on the sorting mounting plate, a pneumatic clamp fixed on the mobile bracket and used to receive the charging connector, and a plurality of material boxes for holding the charging connectors. The moving direction of the mobile bracket is the same as the extension direction of the sorting mounting plate. Each material box is fixed on the working platform in sequence along the sliding direction of the mobile bracket. The pneumatic clamp delivers the charging connector into the corresponding material box through the drive of the first motor and the coordinated cooperation of the mobile bracket.

[0011] The above-mentioned first motor is fixed on the material dividing mounting plate, and a pulley is fixedly provided on the output end of the first motor. A driven pulley is also rotatably connected to the material dividing mounting plate, and a belt is sleeved between the pulley and the driven pulley. The movable bracket is fixed on the belt, and a slider is also fixed on the movable bracket. A slide rail for the slider to slide is fixed on the material dividing mounting plate. The movable bracket is connected to the material dividing mounting plate by the rotation of the pulley driven by the first motor and the coordinated sliding of the slider and the slide rail.

[0012] The above-mentioned pneumatic clamp includes a cylinder part and a clamp part that is relatively slidably arranged on the cylinder part. The relatively slidable clamp parts are each provided with a clamping block. The clamping blocks on each clamping block are symmetrically arranged. Each clamping block is provided with a clamping groove. After the relatively slidable clamping blocks slide against each other, the relative clamping grooves form a holding groove with a closed bottom that can be used to hold the charging connector. The holding groove is located above the material holding box.

[0013] The above-mentioned movable bracket is fixedly provided with a first cylinder part and a second cylinder part, the first cylinder part is slidably provided with a first claw part controlled by the first cylinder part, the first claw part is fixedly provided with a first clamping block, the second cylinder part is slidably provided with a second clamping block controlled by the second cylinder part, the second clamping block is fixedly provided with a second clamping block, the first clamping block is provided with a first clamping groove, the second clamping block is provided with a second clamping groove, the first clamping groove and the second clamping groove are arranged opposite to each other, a spacer block is fixedly provided between the first cylinder part and the second cylinder part, third clamping grooves are respectively arranged on both sides of the spacer block, the first clamping groove on the first clamping block and the third clamping groove on the left side of the spacer block are arranged opposite to each other, the second clamping groove on the second clamping block and the third clamping groove on the right side of the spacer block are arranged opposite to each other, after the first clamping block on the first clamping claw part slides horizontally, the first clamping groove and the third clamping groove form a holding groove for closing the bottom and for placing the charging connector, after the second clamping block on the second clamping claw part slides horizontally, the second clamping groove and the third clamping groove form a holding groove for closing the bottom and for placing the charging connector.

[0014] A fixed bracket is provided on the above-mentioned working platform, and each material containing box is fixed on the fixed bracket. A bottom bracket is fixedly provided at the bottom of the working platform, and a plurality of discharge boxes connected with each material containing box are fixedly provided on the bottom bracket. The material containing box and the discharge box are fixedly connected by an intermediate sleeve, and a sealing plate for controlling the removal of the charging connector is provided on the discharge port of each discharge box, and each sealing plate is fixed to the discharge port by a locking member.

[0015] The patent of the present invention has positive effects: (1) The patent of the present invention arranges a loading tray and multiple inspection platforms on the working platform, arranges a first robot arm on the working platform to transfer the charging connector, photographs the bottom of the charging connector through the first camera, and inspects and detects each surface other than the bottom of the charging connector through the second robot arm, the second camera and the annular light source. On the one hand, it effectively solves the problem of misdetection or missed detection caused by manual inspection in the prior art, and effectively ensures the photographing and inspection of each charging connector. On the other hand, through the inspection of the first camera and the second camera, the charging connector can be comprehensively and effectively photographed and inspected, which is efficient and practical.

[0016] (2) The present invention provides at least one material guide rod on the loading tray, and a material guide trough on the material guide rod. The charging connector on the material guide trough is transferred and fixed by a sliding block on the positioning block that slides through a driving member, and a support fixed on the sliding block. By sliding the sliding block, the first robot arm can take the charging connector on the support while the other sliding block can also be loaded, thereby ensuring the efficiency of each process and saving the loading time, which is efficient and convenient.

[0017] (3) The present invention provides a fixed base on the working platform and fixes each detection platform on the fixed base, thereby ensuring the stability of the detection platform. The rotation of each base is driven by the transmission of the rotating motor, and then the charging connector on the base is photographed and detected on all sides, which is very efficient and practical.

[0018] (4) The present invention provides a partition on the fixed base to effectively ensure that when the first robotic arm takes a bottom shot of the charging connector, the annular light source on the second camera does not interfere with the light source of the first camera, which is efficient and practical.

[0019] (5) The present invention sets an adjustment bracket on the second mechanical arm, fixes each second shooting camera on the adjustment bracket, and changes the position of the adjustment bracket by adjusting the position of the second mechanical arm, thereby adjusting the shooting angle of the second shooting camera. The present invention has good adjustability and applicability, and is efficient and practical.

[0020] (6) The present invention is efficient and practical by arranging a material dividing device on the working platform, driving the movable bracket to slide through the first motor, grabbing the charging connector on the first robot arm through the pneumatic gripper on the movable bracket, and placing it into the corresponding material box according to the detection result.

[0021] (7) The present invention fixes the first motor on the material distribution mounting plate, drives the pulley to rotate through the first motor, and the cooperation between the pulley and the driven pulley drives the belt to drive the movable bracket to slide. The cooperation between the slide rail and the slider ensures the sliding stability of the movable bracket and the firmness of the connection, which is convenient and practical.

[0022] (8) The present invention arranges the pneumatic clamp into a cylinder part and a clamp part, and controls the horizontal movement of the clamp part through the cylinder part to drive the charging connector in the receiving slot into the material box, which is convenient and efficient.

[0023] (9) The present invention sets a first cylinder part and a second cylinder part on the mobile bracket, controls the first clamping block on the first clamping claw part by the first cylinder part, forms a receiving groove by the cooperation of the first clamping groove on the first clamping block and the third clamping groove, controls the second clamping block on the second clamping claw part by the second cylinder part, forms a receiving groove by the cooperation of the second clamping groove on the second clamping block and the third clamping groove, can independently control the cooperation of the first clamping groove and the third clamping groove and the cooperation of the second clamping groove and the third clamping groove, and effectively controls the unloading of the charging connector by the slave, which is efficient and practical.

[0024] (10) The present invention provides a discharge box below the material holding box, connects the material holding box and the discharge box through an intermediate sleeve, and then closes the discharge port through a sealing plate. When taking out the material, one only needs to remove the sealing plate to take out the charging connector, which is efficient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments and in combination with the accompanying drawings, wherein

[0026] Figure 1 It is a schematic diagram of the overall structure of the visual inspection device for charging connectors based on wide-field optical imaging in the present invention;

[0027] Figure 2 A top view of the overall structure of a visual inspection device for charging connectors based on wide-field optical imaging in the present invention;

[0028] Figure 3 It is a left view of the overall structure of the visual inspection device for charging connectors based on wide-view optical imaging in the present invention;

[0029] Figure 4 for Figure 3 It is a front view of the overall structure of the visual inspection device for charging connectors based on wide-view optical imaging in the present invention;

[0030] Figure 5 It is a schematic diagram of the overall structure of the vacuum suction cup in the patent of the present invention;

[0031] Figure 6 It is a schematic diagram of the overall structure of the material preparation mechanism in the patent of the present invention;

[0032] Figure 7 for Figure 6 The enlarged view of point A in the middle;

[0033] Figure 8 It is a cross-sectional view of the overall structure of the test platform in the patent of the present invention;

[0034] Fig. 9 It is a schematic diagram of the structure of the connection between the second shooting camera and the adjustment bracket in the patent of the present invention;

[0035] Fig.10 It is a schematic diagram of the overall structure of the material distribution device in the patent of the present invention;

[0036] Fig.11 It is a schematic diagram of the overall structure of the pneumatic gripper in the patent of the present invention;

[0037] Fig.12 It is a top view of the overall structure of the pneumatic gripper in the patent of this invention. DETAILED DESCRIPTION

[0038] See Figures 1 to 12 The patent of the present invention has a working platform 1; the working platform 1 is provided with a loading tray 11 and a plurality of detection platforms 2, each detection platform 2 is provided with a plurality of bases 21 for placing charging connectors and driven to rotate by a rotating motor 23, and the working platform 1 is relatively provided with a first mechanical arm 12 for transferring the charging connector from the loading tray 11 to each detection platform 2, each first mechanical arm 12 is provided with a vacuum suction cup 13 for grabbing the charging connector, and the vacuum suction cup 13 is provided with a plurality of bayonet 131 for fixing the charging connector, and a first shooting camera 3 for shooting the bottom of the charging connector is also provided between the loading tray 11 and each detection platform 2, and the working platform 1 is also provided with a shooting component 4 for shooting each side and top surface of the charging connector on the detection platform 2, and the shooting component 4 includes a second mechanical arm 41 fixed on the working platform 1, a second shooting camera 42 fixed on the second mechanical arm 41, and a ring light source 43 fixed on the second shooting camera 42, and the second shooting camera 42 shoots the charging connector through the coordinated cooperation of the ring light source 43 and the second mechanical arm 41;

[0039] The loading tray 11 is fixedly provided with a guide rod 14 for discharging materials, one end of the guide rod 14 is connected to the discharge port of the loading tray 11, and the guide rod 14 is provided with two guide grooves 141 extending along the extension direction of the guide rod 14 and can be used to guide out the charging connector. A material preparation mechanism 6 for preparing materials is provided between the loading tray 11 and the first shooting camera 3, and the material preparation mechanism 6 includes a positioning plate 61 fixed on the working platform 1, a positioning block 62 fixed on the positioning plate 61, a plurality of sliding blocks 63 connected to the positioning block 62 after being driven by a driving member and sliding horizontally, and connecting two adjacent The connecting blocks 64 of the sliding blocks 63 and the support 65 fixed on each sliding block 63 and used to hold the charging connector, the driving member is a driving cylinder, the driving cylinder is fixed on the positioning block 62, and the telescopic end of the driving cylinder is fixed on the sliding block 63, the positioning plate 61 is provided with a through groove 611 for the guide rod 14 to pass through, and the support 65 is provided with a positioning groove 651 corresponding to each guide groove 141 on the guide rod 14, after one end of each guide rod 14 passes through the through groove 611 and is pressed against the support 65, the guide groove 141 and the positioning groove 651 are communicated;

[0040] A fixed base 22 is fixedly provided on the working platform 1, and each detection platform 2 is fixed on the fixed base 22. Each rotating motor 23 is located at the bottom of each corresponding detection platform 2, and each rotating motor 23 is fixed on the fixed base 22. A connecting plate 24 is fixedly provided in the detection platform 2, and a driving shaft 25 and a driven shaft 27 corresponding to each base 21 are rotatably provided on the connecting plate 24. One end of the driving shaft 25 passes through the connecting plate 24 and is fixedly connected to the output end of the rotating motor 23 through a coupling 26. A driving gear 28 is fixedly provided on the driving shaft 25, and each driven shaft 27 is provided with a driven gear 29. Each base 21 is driven by the rotating motor 23 to drive the driving shaft 25 to rotate, and the driving gear 28 and each driven gear 29 are rotated in coordination with each other and are arranged on the detection platform 2;

[0041] The fixed base 22 is fixedly provided with a partition 17, and the partition 17 is provided with a plurality of light shielding blocks 171 corresponding to each second shooting camera 42 and used to block light from shining on the first shooting camera 3. Each light shielding block 171 is horizontally fixed on the surface of the partition 17 facing the annular light source 43;

[0042] An adjustment bracket 44 is provided between the second mechanical arm 41 and each second shooting camera 42, and the adjustment bracket 44 includes a mechanical arm mounting plate 442 and a camera mounting plate 441, the mechanical arm mounting plate 442 is fixed on the second mechanical arm 41, the mechanical arm mounting plate 442 and the camera mounting plate 441 are vertically connected, each second shooting camera 42 is fixedly mounted on the camera mounting plate 441, and each second shooting camera 42 and the ring light source 43 on each second shooting camera 42 simultaneously shoot the charging connector on each detection platform 2 through the coordinated cooperation of the second mechanical arm 41 and the adjustment bracket 44;

[0043] Both sides of the working platform 1 are provided with a material dividing device 5 for collecting and classifying the charging connectors, each material dividing device 5 corresponds to each first mechanical arm 12, and the material dividing device 5 includes a positioning bracket 51 fixed on the working platform 1, a material dividing mounting plate 52 fixed on the positioning bracket 51, a moving bracket 53 driven by a first motor 56 to slide on the material dividing mounting plate 52, a pneumatic clamp 54 fixed on the moving bracket 53 and used to receive the charging connector, and a plurality of material containing boxes 55 for containing the charging connectors, the moving direction of the moving bracket 53 is the same as the extending direction of the material dividing mounting plate 52, and each material containing box 55 is fixed on the working platform 1 in sequence along the sliding direction of the moving bracket 53, and the pneumatic clamp 54 delivers the charging connector into the corresponding material containing box 55 through the drive of the first motor 56 and the coordinated cooperation of the moving bracket 53;

[0044] The first motor 56 is fixed on the material distribution installation plate 52, and a pulley 561 is fixedly provided at the output end of the first motor 56. A driven pulley 562 is also rotatably connected to the material distribution installation plate 52, and a belt 563 is sleeved between the pulley 561 and the driven pulley 562. The mobile bracket 53 is fixed on the belt 563, and a slider 531 is also fixed on the mobile bracket 53. A slide rail 521 for the slider 531 to slide is fixed on the material distribution installation plate 52. The mobile bracket 53 is connected to the material distribution installation plate 52 by the first motor 56 driving the pulley 561 to rotate and the slider 531 and the slide rail 521 cooperate and slide;

[0045] The pneumatic clamp 54 includes a cylinder part and a clamp part that is relatively slidably arranged on the cylinder part. The relatively slidable clamp parts are each provided with a clamping block. The clamping blocks on each clamp part are symmetrically arranged. Each clamping block is provided with a clamping groove. After the relatively slidable clamping blocks slide to press against each other, the relative clamping grooves form a holding groove with a closed bottom that can be used to hold the charging connector. The holding groove is located above the material holding box 55.

[0046] The movable bracket 53 is fixedly provided with a first cylinder part 541 and a second cylinder part 542, the first cylinder part 541 is slidably provided with a first claw part 543 controlled by the first cylinder part 541, the first claw part 543 is fixedly provided with a first clamping block 545, the second cylinder part 542 is slidably provided with a second claw part 544 controlled by the second cylinder part 542, the second claw part 544 is fixedly provided with a second clamping block 546, the first clamping block 545 is provided with a first clamping groove 548, the second clamping block 546 is provided with a second clamping groove 549, the first clamping groove 548 and the second clamping groove 549 are arranged opposite to each other, a spacer block 547 is fixedly provided between the first cylinder part 541 and the second cylinder part 542, and the two sides of the spacer block 547 are respectively provided with a first clamping groove 548 and a second clamping groove 549. Three card slots 540, the first card slot 548 on the first card block 545 and the third card slot 540 on the left side of the spacer block 547 are arranged opposite to each other, the second card slot 549 on the second card block 546 and the third card slot 540 on the right side of the spacer block 547 are arranged opposite to each other, after the first card block 545 on the first claw portion 543 slides horizontally, the first card slot 548 and the third card slot 540 form a receiving slot for closing the bottom and placing the charging connector, after the second card block 546 on the second claw portion 544 slides horizontally, the second card slot 549 and the third card slot 540 form a receiving slot for closing the bottom and placing the charging connector, the cross sections of the first card slot 548, the second card slot 549 and the third card slot 540 are all right-angled trapezoids with the inclined surface at the bottom;

[0047] The working platform 1 is provided with a fixed bracket 16, and each material box 55 is fixed on the fixed bracket 16. A bottom bracket 15 is fixedly provided at the bottom of the working platform 1, and a plurality of discharge boxes 57 connected with each material box 55 are fixedly provided on the bottom bracket 15. The material boxes 55 and the discharge boxes 57 are fixedly connected by an intermediate sleeve 58. A sealing plate 571 for controlling the removal of the charging connector is provided on the discharge port of each discharge box 57, and each sealing plate 571 is fixed to the discharge port by a locking member.

[0048] Working principle of the present invention: When in use, the present invention transfers the charging connector to be tested to the discharge port through the loading tray 11, transfers each charging connector to the positioning groove 651 through the guide rod 14, and then transfers the charging connector to the base 21 on the detection platform 2 through the first mechanical arm 12 and the vacuum suction cup 13. After the charging connector on the support 65 is taken out, the support 65 on the other side is transferred to the guide groove 141 through the driving cylinder, and the charging connector is transferred to the base 21 on the detection platform 2 through the first mechanical arm 12 and the vacuum suction cup 13 on the other side. During the transfer process, the bottom of the charging connector is photographed by the first shooting camera 3. The bottom is photographed and inspected. After the bottom inspection is completed, the rotating motor 23 on the inspection platform 2 drives the base 21 to rotate, and then the second shooting camera 42 and the annular light source 43 are used to photograph and inspect each surface of the charging connector, and the top surface of the charging connector is photographed by adjusting the position of the first shooting camera 3. After the shooting is completed, the charging connector is taken out by the first mechanical arm 12 and placed in the material trough, and then the first motor 56 drives the pulley 561 to rotate to drive the mobile bracket 53 to slide, and the opening and closing of the pneumatic clamp 54 is controlled by the inspection result to put the charging connector into the corresponding material box 55, which is safe, efficient and practical.

[0049] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A visual inspection device for charging connectors based on large-field optical imaging, comprising a working platform (1); characterized in that: The working platform (1) is provided with a loading tray (11) and a plurality of inspection platforms (2), each inspection platform (2) being provided with a plurality of bases (21) for placing charging connectors and driven to rotate by a rotating motor (23), a first mechanical arm (12) for transferring the charging connectors from the loading tray (11) to each inspection platform (2) being provided on the working platform (1), each first mechanical arm (12) being provided with a vacuum suction cup (13) for grasping the charging connector, and a vacuum suction cup (13) for photographing the charging connector being provided between the loading tray (11) and each inspection platform (2). A first shooting camera (3) is provided at the bottom of the head; a shooting assembly (4) for shooting each side surface and top surface of the charging connector on the detection platform (2) is also provided on the working platform (1); the shooting assembly (4) comprises a second mechanical arm (41) fixed on the working platform (1), a second shooting camera (42) fixed on the second mechanical arm (41), and an annular light source (43) fixed on the second shooting camera (42); the second shooting camera (42) shoots the charging connector through the coordinated cooperation of the annular light source (43) and the second mechanical arm (41); Both sides of the working platform (1) are provided with a material distribution device (5) for collecting and classifying charging connectors, each material distribution device (5) corresponds to each first mechanical arm (12), the material distribution device (5) comprises a positioning bracket (51) fixed on the working platform (1), a material distribution mounting plate (52) fixed on the positioning bracket (51), a moving bracket (53) driven by a first motor (56) and slidably arranged on the material distribution mounting plate (52), a pneumatic clamp (54) fixed on the moving bracket (53) and used for receiving the charging connector, and a plurality of material containing boxes (55) for containing the charging connectors, the moving direction of the moving bracket (53) being the same as the extending direction of the material distribution mounting plate (52), each material containing box (55) being fixed on the working platform (1) in sequence along the sliding direction of the moving bracket (53), and the pneumatic clamp (54) delivering the charging connector into the corresponding material containing box (55) through the driving of the first motor (56) and the coordinated cooperation of the moving bracket (53); The movable bracket (53) is fixedly provided with a first cylinder portion (541) and a second cylinder portion (542); a first claw portion (543) controlled by the first cylinder portion (541) is slidably provided on the first cylinder portion (541); a first clamping block (545) is fixedly provided on the first clamping claw portion (543); a second claw portion (544) controlled by the second cylinder portion (542) is slidably provided on the second cylinder portion (542); a second clamping block (546) is fixedly provided on the second clamping claw portion (544); a first clamping groove (548) is provided on the first clamping block (545); a second clamping groove (549) is provided on the second clamping block (546); the first clamping groove (548) and the second clamping groove (549) are arranged opposite to each other; a first clamping groove (548) and a second clamping groove (549) are fixedly provided between the first cylinder portion (541) and the second cylinder portion (542); A spacer block (547), wherein third slots (540) are respectively provided on both sides of the spacer block (547); a first slot (548) on the first slot (545) and the third slot (540) on the left side of the spacer block (547) are arranged opposite to each other; a second slot (549) on the second slot (546) and the third slot (540) on the right side of the spacer block (547) are arranged opposite to each other; after the first slot (545) on the first claw portion (543) slides horizontally, the first slot (548) and the third slot (540) form a receiving slot for closing the bottom and for placing a charging connector; after the second slot (546) on the second claw portion (544) slides horizontally, the second slot (549) and the third slot (540) form a receiving slot for closing the bottom and for placing a charging connector; A material guide rod (14) for discharging materials is fixedly provided on the loading tray (11), and the material guide rod (14) is provided with at least one material guide groove (141) extending along the extension direction of the material guide rod (14) and being used for discharging the charging connector. A material preparation mechanism (6) for preparing materials is provided between the loading tray (11) and the first shooting camera (3), and the material preparation mechanism (6) comprises a positioning plate (61) fixed on the working platform (1), a positioning block (62) fixed on the positioning plate (61), and a plurality of sliding blocks (62) connected to the positioning block (62) after being driven by a driving member and sliding horizontally. A movable block (63), a connecting block (64) connecting two adjacent sliding blocks (63), and a support (65) fixed on each sliding block (63) and used to hold a charging connector, the positioning plate (61) being provided with a through slot (611) for a material guide rod (14) to pass through, the support (65) being provided with a positioning slot (651) corresponding to each material guide slot (141) on the material guide rod (14), and after one end of each material guide rod (14) passes through the through slot (611) and is pressed against the support (65), the material guide slot (141) and the positioning slot (651) are communicated.

2. The visual inspection device for charging connectors based on large-viewing-field optical imaging according to claim 1, characterized in that: A fixed base (22) is fixedly provided on the working platform (1), and each detection platform (2) is fixed on the fixed base (22). Each rotating motor (23) is located at the bottom of each corresponding detection platform (2), and each rotating motor (23) is fixed on the fixed base (22). A connecting plate (24) is fixedly provided inside the detection platform (2), and a driving shaft (25) and a driven shaft (27) corresponding to each base (21) are rotatably provided on the connecting plate (24). One end of the driving shaft (25) passes through the connecting plate (24) and is fixedly connected to the output end of the rotating motor (23) through a coupling (26). A driving gear (28) is fixedly provided on the driving shaft (25), and each driven shaft (27) is provided with a driven gear (29). Each base (21) is driven by the rotating motor (23) to rotate the driving shaft (25) and the driving gear (28) and each driven gear (29) are rotated in coordination with each other.

3. The visual inspection device for charging connectors based on large-viewing-field optical imaging according to claim 2, characterized in that: A partition (17) is fixedly provided on the fixed base (22); the partition (17) is provided with a plurality of light shielding blocks (171) corresponding to each second shooting camera (42) and capable of blocking light from shining on the first shooting camera (3); each light shielding block (171) is horizontally fixed on a surface of the partition (17) facing the annular light source (43).

4. The visual inspection device for charging connectors based on large field of view optical imaging according to claim 1, characterized in that: An adjustment bracket (44) is provided between the second mechanical arm (41) and each second shooting camera (42), the adjustment bracket (44) comprising a mechanical arm mounting plate (442) and a camera mounting plate (441), the mechanical arm mounting plate (442) being fixed on the second mechanical arm (41), the mechanical arm mounting plate (442) and the camera mounting plate (441) being vertically connected, each second shooting camera (42) being fixedly mounted on the camera mounting plate (441), each second shooting camera (42) and the annular light source (43) on each second shooting camera (42) simultaneously shooting the charging connector on each detection platform (2) through the coordinated cooperation of the second mechanical arm (41) and the adjustment bracket (44).

5. The visual inspection device for charging connectors based on large-viewing-field optical imaging according to claim 1, characterized in that: The first motor (56) is fixed on the material distribution installation plate (52), and a pulley (561) is fixedly provided at the output end of the first motor (56). A driven pulley (562) is also rotatably connected to the material distribution installation plate (52), and a belt (563) is sleeved between the pulley (561) and the driven pulley (562). The movable bracket (53) is fixed on the belt (563), and a slider (531) is also fixedly provided on the movable bracket (53). A slide rail (521) on which the slider (531) can slide is fixedly provided on the material distribution installation plate (52). The movable bracket (53) is connected to the material distribution installation plate (52) by the first motor (56) driving the pulley (561) to rotate and the slider (531) and the slide rail (521) cooperate and slide.

6. The visual inspection device for charging connectors based on large field of view optical imaging according to claim 1, characterized in that: The working platform (1) is provided with a fixed bracket (16), and each material containing box (55) is fixed on the fixed bracket (16). The bottom of the working platform (1) is fixedly provided with a bottom bracket (15), and a plurality of discharge boxes (57) connected to each material containing box (55) are fixedly provided on the bottom bracket (15). The material containing box (55) and the discharge box (57) are fixedly connected via an intermediate sleeve (58). A sealing plate (571) for controlling the removal of a charging connector is provided on the discharge port of each discharge box (57), and each sealing plate (571) is fixed to the discharge port via a locking member.

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