An AOI detection device with wide range of adaptation

Abstract

The utility model discloses an AOI detection device of wide adaptation range applies in AOI detection device technical field, and its technical scheme main points are: including base, base is based on horizontal shift subassembly and is connected with the positioning adsorption subassembly for positioning fixed PCB board and the detection subassembly for detecting PCB board along the horizontal direction sliding, the positioning adsorption subassembly includes the shift seat on base and the positioning clamping block of adjustable sliding connection on the shift seat based on synchronous opposite direction adjusting assembly, the shift seat is fixedly connected with the positioning adsorption module for positioning adsorption PCB board between the positioning clamping block and can detach connection, have the technical effect: wide adaptation range, has reduced detection cost.

Description

Technical Field

[0001] This utility model relates to the field of AOI detection device technology, and in particular to an AOI detection device with a wide range of adaptability. Background Technology

[0002] In the electronics manufacturing industry, automated optical inspection (AOI) devices are core equipment for ensuring the quality of printed circuit boards (PCBs). Through optical imaging and image analysis technology, they can quickly identify problems such as soldering defects, short circuits, and missing components on PCBs, effectively improving product yield. However, most AOI inspection devices on the market currently have a limited range of compatibility. Existing devices are usually designed for PCBs of specific specifications, sizes, and structures, and can only meet the inspection needs of a single type of PCB. Existing devices are difficult to switch quickly to diverse inspection items. This limitation means that companies need to configure multiple dedicated AOI inspection devices when producing multiple types of PCBs, which not only significantly increases equipment procurement and maintenance costs, but also occupies a lot of production space, seriously restricting production efficiency and corporate economic benefits, and thus requires improvement. Utility Model Content

[0003] The purpose of this invention is to provide an AOI detection device with a wide range of applications, which has the advantages of wide applicability and reduced detection costs.

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A wide-range AOI inspection device, comprising a base; on the base, a positioning adsorption component for positioning and fixing a PCB board and a detection component for inspecting the PCB board are slidably connected in the horizontal direction based on a horizontal sliding component. The positioning adsorption component includes a sliding seat slidably connected in the horizontal direction to the base and a positioning clamping block slidably connected in the sliding seat based on a synchronous opposing adjustment component. A positioning adsorption module for positioning and adsorbing the PCB board is detachably connected between the sliding seat and the positioning clamping block.

[0005] The present invention is further configured such that: the horizontal sliding assembly includes at least one horizontal slide rail fixedly connected to the base along the conveying direction of the PCB board and a horizontal lead screw conveying slide fixedly connected to the base along a direction parallel to the horizontal slide rail; the sliding seat is fixedly connected to the sliding end of the horizontal lead screw conveying slide and a horizontal slider cooperating with the horizontal slide rail is fixedly connected to the bottom of the sliding seat.

[0006] The present invention is further configured such that: the synchronous opposing adjustment assembly includes a synchronous drive screw rotatably connected to the sliding seat along the conveying direction perpendicular to the PCB board, and a screw drive motor fixedly connected to the sliding seat for driving the synchronous drive screw; the synchronous drive screw is composed of two screw shafts arranged coaxially and rotating in opposite directions; and a screw nut cooperating with the screw shaft is fixedly connected to the positioning clamping block.

[0007] The present invention is further configured such that: a rotating pressure plate for pressing and fixing the PCB board onto the positioning clamping block is rotatably connected to the positioning clamping block based on a rotating drive assembly; the rotating drive assembly includes a cam rod fixedly connected to the end of the rotating pressure plate and a lifting adjustment plate movably connected to the sliding seat in the vertical direction based on a lifting adjustment cylinder; the lifting adjustment plate is provided with a cam sliding groove cooperating with the cam rod in the horizontal direction.

[0008] The present invention is further configured such that: the detection component includes a vision detection component fixedly connected to the base for detecting the chip position on the PCB board and a printing depth detection component for detecting the printing depth of the coating on the PCB board surface.

[0009] The present invention is further configured such that: the visual inspection component is provided in two sets, respectively arranged above and below the positioning and conveying component to realize the photographic inspection of the two sides of the PCB board; the visual inspection component includes a fixedly arranged visual inspection seat and a visual inspection camera fixedly connected to the visual inspection seat; the visual inspection seat is fixedly connected to a plurality of light lamps for providing illumination to the surface of the PCB board directly below the visual inspection camera.

[0010] The present invention is further configured such that: the printing depth detection assembly includes a fixedly disposed depth detection seat and a horizontal lead screw detection slide fixedly connected to the depth detection seat along the horizontal direction; a vertical detection seat is fixedly connected to the sliding end of the horizontal lead screw detection slide along the vertical direction; a vertical sliding detection seat is slidably connected to the vertical detection seat along the vertical direction; a laser detection sensor for detecting the coating thickness on the PCB board surface is fixedly connected to the vertical sliding detection seat; a lifting detection lead screw with its axis set along the vertical direction is rotatably connected to the vertical detection seat for driving the vertical sliding detection seat to rise and fall; a lead screw nut that cooperates with the lifting detection lead screw is fixedly connected to the vertical sliding detection seat; and a detection motor that drives the lifting detection lead screw to rotate is fixedly connected to the vertical detection seat.

[0011] The present invention is further configured such that a safety light curtain is fixedly connected to the starting end of the base along the PCB board conveying direction.

[0012] In summary, this utility model has the following beneficial effects: 1. When inspecting PCBs of different specifications, the horizontal lead screw conveyor slide moves the sliding seat along the horizontal slide rail, adjusting the positioning and adsorption assembly to the appropriate position. Simultaneously, the lead screw drive motor drives the synchronous drive lead screw to rotate. Utilizing the difference in rotation direction between the positive and negative lead screw shafts, the positioning clamping blocks on both sides move synchronously in opposite directions, precisely adjusting the clamping distance to adapt to the PCB size. The positioning and adsorption module is also detachable and replaceable, further expanding compatibility with different types of PCBs. Furthermore, the rotating pressure plate moves via a lifting adjustment cylinder, using the cooperation of the cam sliding groove and cam rod to drive the rotating pressure plate downwards, firmly fixing the PCB and ensuring stable positioning during inspection. On one hand, the cooperation between the horizontal sliding assembly and the synchronous opposing adjustment assembly allows a single device to adapt to the inspection needs of PCBs of various sizes, reducing inspection costs. On the other hand, the vision inspection assembly uses two sets of vision inspection cameras to simultaneously photograph and inspect both sides of the PCB. The printing depth inspection assembly uses the horizontal lead screw inspection slide and the lifting inspection lead screw to drive the laser inspection sensor to move, accurately completing the coating thickness inspection and improving inspection efficiency. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this embodiment; Figure 2 This is a schematic diagram of the positioning and adsorption component in this embodiment; Figure 3 yes Figure 2 Enlarged schematic diagram of part A; Figure 4 yes Figure 2 Enlarged diagram of part B; Figure 5 This is a schematic diagram of the structure of the visual inspection component in this embodiment; Figure 6 This is a schematic diagram of the printing depth detection component in this embodiment.

[0014] Reference numerals: 1. Base; 2. Horizontal sliding assembly; 21. Horizontal slide rail; 22. Horizontal lead screw conveyor slide; 23. Horizontal slider; 3. Positioning and adsorption assembly; 31. Sliding seat; 32. Synchronous opposing adjustment assembly; 321. Synchronous drive lead screw; 322. Lead screw drive motor; 323. Lead screw nut; 33. Positioning clamping block; 34. Positioning and adsorption module; 35. Rotary drive assembly; 351. Cam rod; 352. Lifting and adjusting cylinder; 353. Lifting and adjusting... 354. Plate; 36. Cam sliding groove; 4. Rotary pressure plate; 4. Detection assembly; 41. Vision inspection assembly; 411. Vision inspection seat; 412. Vision inspection camera; 413. Illumination lamp; 42. Printing depth detection assembly; 421. Depth detection seat; 422. Horizontal lead screw detection slide; 423. Vertical detection seat; 424. Vertical sliding detection seat; 425. Laser detection sensor; 426. Lifting detection lead screw; 427. Detection motor; 5. Safety light curtain. Detailed Implementation

[0015] The present invention will be further described in detail below with reference to the accompanying drawings.

[0016] Example: refer to Figures 1 to 6 An AOI inspection device with wide applicability includes a base 1. A positioning and adsorption assembly 3 for positioning and fixing a PCB board and a detection assembly 4 for inspecting the PCB board are slidably connected to the base 1 along the horizontal direction based on a horizontal sliding assembly 2. The horizontal sliding assembly 2 enables the positioning and adsorption assembly 3 to reciprocate between a loading station and an unloading station. The positioning and adsorption assembly 3 includes a sliding seat 31 slidably connected to the base 1 along the horizontal direction and a positioning clamping block 33 slidably connected to the sliding seat 31 based on a synchronous opposing adjustment assembly 32. A positioning and adsorption module 34 for positioning and adsorbing the PCB board is detachably connected between the sliding seat 31 and the positioning clamping block 33. By driving the positioning clamping blocks 33 on both sides to move synchronously in opposite directions, the clamping distance can be precisely adjusted to adapt to the PCB board size. The positioning and adsorption module 34 is detachable and replaceable, further expanding compatibility with different types of PCB boards. A safety light curtain 5 is fixedly connected to the starting end of the base 1 along the PCB board conveying direction to ensure the safety of the loading process.

[0017] refer to Figures 1 to 2Specifically, the horizontal sliding assembly 2 includes at least one horizontal slide rail 21 fixedly connected to the base 1 along the conveying direction of the PCB board and a horizontal lead screw conveying slide 22 fixedly connected to the base 1 along a direction parallel to the horizontal slide rail 21. The sliding seat 31 is fixedly connected to the sliding end of the horizontal lead screw conveying slide 22, and a horizontal slider 23 cooperating with the horizontal slide rail 21 is fixedly connected to the bottom of the sliding seat 31. The horizontal lead screw conveying slide 22 drives the sliding seat 31 to reciprocate along the direction of the horizontal slide rail 21.

[0018] refer to Figure 2 and Figure 3 Specifically, the synchronous opposing adjustment assembly 32 includes a synchronous drive screw 321 rotatably connected to the sliding seat 31 along the conveying direction perpendicular to the PCB board, and a screw drive motor 322 fixedly connected to the sliding seat 31 for driving the synchronous drive screw 321. The synchronous drive screw 321 is composed of two screw shafts arranged coaxially and with opposite screw rotation directions. The pitch and other parameters of the two screw shafts are completely equal, only with opposite rotation directions, so as to realize synchronous driving of the positioning clamping block 33 to perform synchronous opposing sliding. A screw nut 323 that cooperates with the screw shaft is fixedly connected to the positioning clamping block 33.

[0019] refer to Figure 2 and Figure 4 Specifically, a rotating pressure plate 36 for pressing and fixing the PCB board onto the positioning clamping block 33 is rotatably connected to the positioning clamping block 33 based on the rotating drive assembly 35. The rotating drive assembly 35 includes a cam rod 351 fixedly connected to the end of the rotating pressure plate 36 and a lifting adjustment plate 353 movably connected to the sliding seat 31 in the vertical direction based on the lifting adjustment cylinder 352. A cam sliding groove 354 that cooperates with the cam rod 351 is opened in the horizontal direction on the lifting adjustment plate 353. The rotating pressure plate 36 drives the lifting adjustment plate 353 to move through the lifting adjustment cylinder 352. The rotating pressure plate 36 is driven to press down by the cooperation of the cam sliding groove 354 and the cam rod 351, so as to firmly fix the PCB board and ensure the stability of the position during the testing process.

[0020] refer to Figure 5Specifically, the detection component 4 includes a vision inspection component 41 fixedly connected to the base 1 for detecting the chip positions on the PCB board and a printing depth detection component 42 for detecting the printing depth of the coating on the PCB board surface. Two sets of vision inspection components 41 are provided, respectively positioned above and below the positioning and conveying component to achieve image inspection of both sides of the PCB board. The vision inspection component 41 includes a fixedly mounted vision inspection seat 411 and a vision inspection camera 412 fixedly connected to the vision inspection seat 411. Several illumination lamps 413 for providing illumination to the PCB board surface are fixedly connected directly below the vision inspection camera 412 on the vision inspection seat 411. The two sets of vision inspection cameras 412 of the vision inspection component 41, in conjunction with the illumination lamps 413, take images of both sides of the PCB board to detect the chip positions and perform positional accuracy comparison checks.

[0021] refer to Figure 6 Specifically, the printing depth detection component 42 includes a fixedly mounted depth detection seat 421 and a horizontal lead screw detection slide 422 fixedly connected to the depth detection seat 421 in the horizontal direction. A vertical detection seat 423 is fixedly connected to the sliding end of the horizontal lead screw detection slide 422 in the vertical direction. A vertical sliding detection seat 424 is slidably connected to the vertical detection seat 423 in the vertical direction. A laser detection sensor 425 for detecting the coating thickness on the PCB board surface is fixedly connected to the vertical sliding detection seat 424. A lifting detection screw 426, with its axis set vertically, is rotatably connected to the vertical sliding detection seat 424. A screw nut 323, which cooperates with the lifting detection screw 426, is fixedly connected to the vertical sliding detection seat 424. A detection motor 427, which drives the lifting detection screw 426 to rotate, is fixedly connected to the vertical detection seat 423. The printing depth detection component 42 drives the laser detection sensor 425 to move through the horizontal screw detection slide 422 and the lifting detection screw 426, so as to accurately measure the coating thickness.

[0022] Brief description of the usage process: When it is necessary to inspect PCB boards of different specifications, the horizontal lead screw conveyor slide 22 drives the sliding seat 31 to move along the horizontal slide rail 21, so that the positioning adsorption component 3 is adjusted to the appropriate position. At the same time, the lead screw drive motor 322 drives the synchronous drive lead screw 321 to rotate. Utilizing the difference in the rotation direction of the positive and negative lead screw shafts, the positioning clamping blocks 33 on both sides are driven to move synchronously in opposite directions, accurately adjusting the clamping distance to adapt to the PCB board size. Meanwhile, the positioning adsorption module 34 is detachable and replaceable, further expanding the compatibility with different types of PCB boards. Furthermore, the rotating pressure plate 36 drives the lifting adjustment plate 353 to move through the lifting adjustment cylinder 352. Utilizing the cooperation between the cam sliding groove 354 and the cam rod 351, the rotating pressure plate 36 is driven to press down, firmly fixing the PCB board and ensuring stable position during the inspection process.

[0023] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment that make creative contributions as needed, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A wide-range AOI detection device, comprising a base (1); characterized in that, The base (1) is slidably connected in the horizontal direction by a horizontal sliding component (2) to a positioning adsorption component (3) for positioning and fixing a PCB board and a detection component (4) for detecting the PCB board. The positioning adsorption component (3) includes a sliding seat (31) slidably connected in the horizontal direction to the base (1) and a positioning clamping block (33) slidably connected in the sliding seat (31) based on a synchronous opposing adjustment component (32). The sliding seat (31) is fixedly connected between the positioning clamping block (33) and a positioning adsorption module (34) for positioning and adsorbing the PCB board is detachably connected.

2. The AOI detection device with a wide range of adaptability according to claim 1, characterized in that, The horizontal sliding assembly (2) includes at least one horizontal slide rail (21) fixedly connected to the base (1) along the conveying direction of the PCB board and a horizontal lead screw conveying slide (22) fixedly connected to the base (1) along a direction parallel to the horizontal slide rail (21). The sliding seat (31) is fixedly connected to the sliding end of the horizontal lead screw conveying slide (22), and a horizontal slider (23) cooperating with the horizontal slide rail (21) is fixedly connected to the bottom of the sliding seat (31).

3. The AOI detection device with a wide range of adaptability according to claim 1, characterized in that, The synchronous opposing adjustment assembly (32) includes a synchronous drive screw (321) rotatably connected to the sliding seat (31) along the conveying direction perpendicular to the PCB board, and a screw drive motor (322) fixedly connected to the sliding seat (31) for driving the synchronous drive screw (321). The synchronous drive screw (321) is composed of two screw shafts arranged coaxially and with opposite screw rotation directions. A screw nut (323) that cooperates with the screw shaft is fixedly connected to the positioning clamping block (33).

4. The AOI detection device with a wide range of adaptability according to claim 3, characterized in that, The positioning clamping block (33) is rotatably connected to a rotating pressure plate (36) for pressing and fixing the PCB board onto the positioning clamping block (33) based on a rotating drive assembly (35). The rotating drive assembly (35) includes a cam rod (351) fixedly connected to the end of the rotating pressure plate (36) and a lifting adjustment plate (353) movably connected to the sliding seat (31) in the vertical direction based on a lifting adjustment cylinder (352). The lifting adjustment plate (353) is provided with a cam sliding groove (354) that cooperates with the cam rod (351) in the horizontal direction.

5. The AOI detection device with a wide range of adaptability according to claim 1, characterized in that, The detection component (4) includes a vision detection component (41) fixedly connected to the base (1) for detecting the chip position on the PCB board and a printing depth detection component (42) for detecting the printing depth of the coating on the PCB board surface.

6. The AOI detection device with a wide range of adaptability according to claim 5, characterized in that, The visual inspection component (41) is provided in two sets, which are respectively set above and below the base (1) to realize the photographic inspection of the two sides of the PCB board. The visual inspection component (41) includes a fixedly set visual inspection seat (411) and a visual inspection camera (412) fixedly connected to the visual inspection seat (411). The visual inspection seat (411) has a number of light lamps (413) for providing illumination to the surface of the PCB board fixedly connected directly below the visual inspection camera (412).

7. The AOI detection device with a wide range of adaptability according to claim 5, characterized in that, The printing depth detection component (42) includes a fixedly mounted depth detection seat (421) and a horizontal lead screw detection slide (422) fixedly connected to the depth detection seat (421) in the horizontal direction. A vertical detection seat (423) is fixedly connected to the sliding end of the horizontal lead screw detection slide (422) in the vertical direction. A vertical sliding detection seat (424) is slidably connected to the vertical detection seat (423) in the vertical direction. A device for detecting PCB boards is fixedly connected to the vertical sliding detection seat (424). A laser sensor (425) for detecting the thickness of the surface coating is provided. A lifting detection screw (426) with its axis set along the vertical direction is rotatably connected to the vertical detection seat (423) for driving the vertical sliding detection seat (424) to move up and down. A screw nut (323) that cooperates with the lifting detection screw (426) is fixedly connected to the vertical sliding detection seat (424). A detection motor (427) that drives the lifting detection screw (426) to rotate is fixedly connected to the vertical detection seat (423).

8. The AOI detection device with a wide range of adaptability according to claim 1, characterized in that, The base (1) is fixedly connected to a safety light curtain (5) at the starting end along the PCB board conveying direction.

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