An adjustable AOI inspection machine
By designing the drive and flexible components of the adjustable AOI inspection machine, the problem of inspection accuracy when the inspection lens position is fixed is solved, achieving high precision, stability, and flexible support, thus ensuring the accuracy and clarity of the inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HUAYUAN AUTOMATION EQUIP CO LTD
- Filing Date
- 2025-07-30
- Publication Date
- 2026-06-30
AI Technical Summary
The fixed position of the inspection lens in existing AOI inspection machines cannot be flexibly adjusted according to the size, shape and inspection requirements of the product, resulting in decreased inspection accuracy and easy to miss or misdetect.
An adjustable AOI inspection machine is adopted. The drive component drives the slide rail and flexible component to achieve high-precision horizontal transport and flexible support of the workpiece to be inspected. The motor drives the gear and rack to convert the rotational motion into linear displacement. Combined with the elastic deformation of the pressure plate to compensate for the error, the lens is stably attached to the product.
It improves detection accuracy, reduces missed or false detections, ensures clear and accurate images when detecting products of different specifications, and enhances the stability and precision of detection.
Smart Images

Figure CN224436132U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of AOI inspection machine technology, and in particular to an adjustable AOI inspection machine. Background Technology
[0002] AOI (Automated Optical Inspection) machines are devices that use high-resolution cameras and image processing algorithms to automatically optically scan electronic assemblies such as PCBs and chips. By comparing the physical image with preset standards, they can quickly identify problems such as solder joint defects, missing or misaligned components, and achieve online, efficient, and non-contact quality inspection.
[0003] The fixed position of the inspection lens means that the distance between the lens and the product to be inspected, as well as the shooting angle, cannot be flexibly adjusted according to the size, shape, and inspection requirements of the product. When dealing with products of different specifications, such as small precision electronic components and large PCB boards, the fixed lens position makes it difficult to obtain clear and accurate inspection images, which can easily lead to missed or false detections and seriously affect the inspection accuracy.
[0004] Therefore, this utility model provides an adjustable AOI inspection machine. Utility Model Content
[0005] The purpose of this invention is to overcome the shortcomings of existing technologies and provide an adjustable AOI inspection machine.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable AOI inspection machine, including a bracket and a workpiece to be inspected, and a drive assembly, wherein the drive assembly includes a slide rail fixedly connected to the top end;
[0007] A flexible component includes a connecting slider that is slidably connected to a slide rail. Pressure flaps are fixedly connected to both outer ends of the connecting slider. A vertical plate is fixedly connected to the outer side of the pressure flaps. A horizontal plate is fixedly connected to the end of the vertical plate away from the pressure flaps.
[0008] In a preferred embodiment, a rack is fixedly connected to the top of the bracket.
[0009] In a preferred embodiment, a gear is movably connected to the top of the bracket, and a motor is fixedly connected to the top of the gear.
[0010] In a preferred embodiment, a connecting positioning plate is fixedly connected to the outside of the motor, and the end of the connecting positioning plate away from the motor is fixedly connected to the connecting slider.
[0011] In a preferred embodiment, the gear and rack are meshed together.
[0012] In a preferred embodiment, the top end of the horizontal plate is in contact with the bottom end of the object to be tested.
[0013] In a preferred embodiment, the bottom end of the component to be tested is slidably connected to a slide rail.
[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0015] This invention uses a motor to drive a gear to rotate. The gear meshes with a rack to convert rotational motion into linear displacement, which in turn moves the connecting slider along the slide rail. Simultaneously, the pressure folding plate undergoes elastic deformation to compensate for errors, ensuring that the vertical and horizontal plates always remain in contact with the bottom surface of the part to be inspected. This design achieves high-precision horizontal transport, flexible support, and anti-deformation protection for the part to be inspected. It also maintains stability and precise positioning during high-speed movement, effectively solving the problem that fixed lens positions are difficult to adapt to products of different specifications. Through precise transport and stable support, it ensures that clear and accurate images can be obtained during inspection, reducing missed or false detections and improving inspection accuracy. Attached Figure Description
[0016] Figure 1 A perspective view of an adjustable AOI inspection machine provided by this utility model;
[0017] Figure 2 A schematic diagram of the slide rail structure of an adjustable AOI inspection machine provided by this utility model;
[0018] Figure 3 A schematic diagram of the drive assembly structure of an adjustable AOI inspection machine provided by this utility model;
[0019] Figure 4 A schematic diagram of the flexible component structure of an adjustable AOI inspection machine provided by this utility model;
[0020] Figure 5 This utility model provides a schematic diagram of the pressure flap structure of an adjustable AOI inspection machine.
[0021] Legend:
[0022] 1. Bracket;
[0023] 2. Drive assembly; 21. Slide rail; 22. Rack; 23. Gear; 24. Motor; 25. Connecting positioning plate
[0024] 3. Flexible components; 31. Connecting slider; 32. Pressure flap; 33. Vertical plate; 34. Horizontal plate;
[0025] 4. Item to be tested. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] like Figure 1 - Figure 3 As shown, this embodiment provides a technical solution: an adjustable AOI inspection machine, including a bracket 1 and a workpiece 4 to be inspected, and also includes a drive assembly 2. The drive assembly 2 includes a slide rail 21 fixedly connected to the top end, a rack 22 fixedly connected to the top end of the bracket 1, a gear 23 movably connected to the top end of the bracket 1, a motor 24 fixedly connected to the top end of the gear 23, and a connecting positioning plate 25 fixedly connected to the outside of the motor 24.
[0028] The bracket 1, as the basic frame of the entire machine, plays a crucial role, providing necessary rigid support for the entire equipment and ensuring its stability during operation. The workpiece 4 to be inspected moves horizontally via the slide rail 21. This movement method is designed to cooperate with the AOI system to complete the scanning and inspection of the workpiece 4. The slide rail 21 not only provides simple movement but also offers a precise linear motion guide connecting the slider 31 and the workpiece 4, ensuring the straightness and smoothness of the movement trajectory. This design effectively reduces frictional resistance, thereby improving movement accuracy and ensuring that vibration during inspection does not cause image blurring, thus affecting the accuracy of the inspection results. The rack 22 and the gear... The meshing of wheel 23 is the core part of the entire transmission system. The rack 22 converts the rotational motion of motor 24 into linear motion. This conversion is crucial for the precise control of the equipment. The high rigidity of rack 22 can ensure the stability of the transmission process and is not easily deformed even under long-term use, making it suitable for high-frequency testing. Gear 23 is driven by motor 24 to roll along rack 22, driving the entire flexible component 3 and the workpiece 4 to move synchronously. Motor 24, as a power source, can adjust the detection speed and path by precisely controlling the speed and direction to adapt to different detection requirements. The connecting positioning plate 25 rigidly connects motor 24 to connecting slider 31 to ensure the stability and reliability of power transmission.
[0029] like Figure 3 - Figure 5As shown, the flexible component 3 includes a connecting slider 31 slidably connected to the slide rail 21. Pressure flaps 32 are fixedly connected to both outer ends of the connecting slider 31. A vertical plate 33 is fixedly connected to the outer side of the pressure flaps 32. A horizontal plate 34 is fixedly connected to the end of the vertical plate 33 away from the pressure flaps 32. The end of the connecting positioning plate 25 away from the motor 24 is fixedly connected to the connecting slider 31. The top end of the horizontal plate 34 contacts the bottom end of the test piece 4. The gear 23 and the rack 22 are meshed. The bottom end of the test piece 4 is slidably connected to the slide rail 21.
[0030] The connecting slider 31 serves as an intermediate carrier, supporting the workpiece 4 under test and synchronously transmitting the power of the motor 24. The connecting slider 31 is made of a material with a low coefficient of friction. The pressure fold 32 absorbs the slight warping or thickness error of the workpiece 4 under test through elastic deformation. This avoids damage or poor contact caused by uneven surface of the workpiece 4 under test, thereby improving the compatibility of the equipment. The vertical plate 33 supports the horizontal plate 34, which directly contacts the bottom of the workpiece 4 under test, forming a stable support surface. The wide surface design of the horizontal plate 34 can effectively disperse pressure and prevent the thin PCB board from deforming due to local stress, ensuring the accuracy and reliability of the testing process.
[0031] Working principle:
[0032] like Figure 1 - Figure 5 As shown:
[0033] In use: First, the motor 24 is powered on and rotates, which in turn drives the gear 23 to rotate through its output shaft. The gear 23 meshes with the rack 22, which converts the rotational motion into the linear displacement of the connecting positioning plate 25. This causes the connecting slider 31 to move with high precision along the slide rail 21, realizing the horizontal transport of the part to be inspected 4. Then, the translation of the connecting slider 31 synchronously drives the pressure fold 32 to move. The elastic deformation of the pressure fold 32 can compensate for the warping or thickness error of the part to be inspected 4 in real time, thereby ensuring that the vertical plate 33 and the horizontal plate 34 are always in contact with the bottom surface of the part to be inspected 4, realizing flexible support and anti-deformation protection. Finally, the wide surface of the horizontal plate 34 disperses the pressure, the linear guidance of the slide rail 21 and the rigid transmission of the gear-rack work together to achieve the stability and micron-level positioning accuracy of the entire system during high-speed movement, meeting the high-resolution requirements of AOI inspection.
[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. An adjustable AOI inspection machine, comprising a support (1) and a workpiece to be inspected (4), characterized in that, It also includes a drive component (2), which includes a slide rail (21) fixedly connected to the top. The flexible component (3) includes a connecting slider (31) that is slidably connected to the slide rail (21). Both outer ends of the connecting slider (31) are fixedly connected to pressure flaps (32). A vertical plate (33) is fixedly connected to the outer side of the pressure flaps (32). A horizontal plate (34) is fixedly connected to the end of the vertical plate (33) away from the pressure flaps (32).
2. The adjustable AOI inspection machine according to claim 1, characterized in that: A rack (22) is fixedly connected to the top of the bracket (1).
3. An adjustable AOI inspection machine according to claim 2, characterized in that: The top of the bracket (1) is movably connected to a gear (23), and the top of the gear (23) is fixedly connected to a motor (24).
4. An adjustable AOI inspection machine according to claim 3, characterized in that: A connecting positioning plate (25) is fixedly connected to the outside of the motor (24), and the end of the connecting positioning plate (25) away from the motor (24) is fixedly connected to the connecting slider (31).
5. An adjustable AOI inspection machine according to claim 3, characterized in that: The gear (23) and the rack (22) are meshed.
6. An adjustable AOI inspection machine according to claim 1, characterized in that: The top of the horizontal plate (34) is in contact with the bottom of the test piece (4).
7. An adjustable AOI inspection machine according to claim 1, characterized in that: The bottom end of the test piece (4) is slidably connected to the slide rail (21).