An iPad four-channel appearance inspection device
By designing a four-channel appearance inspection device for iPads, and adopting a five-axis inspection system and a mobile four-axis robot, the problems of numerous blind spots, frequent manual handling, and high costs of existing equipment have been solved, achieving efficient automated inspection and equipment standardization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING FOCUSIGHT TECH
- Filing Date
- 2025-07-25
- Publication Date
- 2026-07-03
AI Technical Summary
Existing iPad back cover appearance inspection equipment has low defect coverage, relies on manual handling, has low standardization and modularity, and has high production costs, making it difficult to meet new inspection needs.
An iPad four-channel appearance inspection device was designed, which includes a feeding mechanism, an inspection mechanism and an unloading mechanism. It adopts a five-axis inspection system and a mobile four-axis robot to realize automatic multi-angle inspection and flexible unloading of products. A marble base plate is used to improve the stability of the equipment.
It improves the comprehensiveness and efficiency of testing, reduces manual intervention, achieves standardization of equipment and universality of equipment, reduces production costs, and meets a variety of testing needs.
Smart Images

Figure CN224443792U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of visual inspection equipment technology, and in particular to an iPad four-channel appearance inspection device. Background Technology
[0002] Existing iPad back cover appearance inspection equipment has significant shortcomings. Its product defect coverage is low, and it can only complete the appearance inspection of a single side, and some can only inspect a small area. For defects that are not detected, manual inspection is required, which not only increases labor costs, but may also affect the accuracy of inspection due to the subjectivity and fatigue of manual operation.
[0003] Meanwhile, products between some workstations need to be manually transferred, resulting in low production efficiency and difficulty in achieving automated production. In addition, the existing equipment design is rigid, and the current technology cannot match new testing requirements. Furthermore, the large variety of machine types is not conducive to the standardization and modularization of the machines, resulting in high production costs. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide an iPad four-channel appearance inspection device, which solves the technical problems of insufficient defect coverage, reliance on manual operation, low standardization and modularity of existing iPad back cover appearance inspection equipment, high production cost, and difficulty in meeting new inspection needs.
[0005] The technical solution adopted by this utility model to solve its technical problem is: an iPad four-channel appearance inspection device, including a feeding mechanism, an inspection mechanism, and a unloading mechanism; the feeding mechanism includes a feeding machine, a four-axis robot, a flipping module, and a buffer module. The feeding machine is connected to the front-end production line, and the four-axis robot is used to take the product out of the production line and send it to the flipping module. Excess products are stored in the buffer module; the inspection mechanism includes a first group of five-axis AOI inspection components, a second group of five-axis AOI inspection components, and a user-side AOI inspection component. The first group of five-axis AOI inspection components, the second group of five-axis AOI inspection components, and the user-side AOI inspection component can all achieve 180° flipping of the product to inspect different parts of the product respectively; the unloading mechanism includes a four-axis robot unloading component, an OK / NG product flow channel, and a downstream NG product bin. The four-axis robot unloading component is used to unload the inspected products into the OK / NG product flow channel and the downstream NG product bin according to their OK / NG status.
[0006] Furthermore, both the first group of five-axis AOI detection components and the second group of five-axis AOI detection components of this utility model include a dual-station five-axis motion module, wherein the dual-station five-axis motion module includes an X-axis, a Y-axis, a Z-axis, a U-axis, and an R-axis.
[0007] Furthermore, the feeding mechanism of this utility model also includes a visual guidance component and a barcode scanning component. The visual guidance component includes a visual guidance camera and a visual guidance camera light source, and the barcode scanning component includes a barcode scanner.
[0008] Furthermore, the cache module of this utility model includes a cache fixture and a vacuum generator.
[0009] Furthermore, the four-axis robotic arm unloading component of the unloading mechanism described in this utility model is a mobile four-axis robotic arm.
[0010] Furthermore, the device described in this utility model uses a marble base plate.
[0011] Furthermore, the first set of five-axis AOI detection components of this utility model is used to detect the LIP area and side of the product, the second set of five-axis AOI detection components is used to detect the edges and R-corners of the product, and the user-side AOI detection component is used to detect the user-side of the product.
[0012] The beneficial effect of this utility model is that it solves the defects existing in the background technology.
[0013] 1. The adoption of a five-axis inspection system reduces blind spots, optimizes the handover between workstations, reduces the number of times the whole product is handled, and improves the comprehensiveness and efficiency of inspection.
[0014] 2. The use of a mobile four-axis robotic arm for unloading allows for more actions to be performed within a limited CT (cutting area), accommodating both OK / NG (good / bad) products from AOI (Automated Inspection) and NG (bad) products from subsequent equipment, thus improving the flexibility and efficiency of the unloading process.
[0015] 3. The standardization of the machine has been achieved, reducing production costs. At the same time, the four-channel design can realize the simultaneous testing of four products, and the equipment efficiency can meet 4 seconds / piece, thus improving production efficiency.
[0016] 4. Includes a loading machine and a unloading machine, which can be connected to the customer's upstream and downstream equipment to meet various loading and unloading needs and enhance the versatility of the equipment.
[0017] 5. The use of a marble base plate increases equipment stability, reduces equipment vibration, enhances visual inspection capabilities, and improves inspection accuracy. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall machine structure;
[0019] Figure 2 This is a schematic diagram of the feeding machine structure;
[0020] Figure 3 This is a schematic diagram of part of the structure of a five-axis inspection machine;
[0021] Figure 4 This is a schematic diagram of the visual inspection component and AOI inspection machine.
[0022] Figure 5 This is a schematic diagram of the feeding machine structure;
[0023] In the diagram: 1. Feeding machine; 2. Five-axis inspection machine; 3. AOI inspection machine; 4. Unloading machine;
[0024] 11. Four-axis robotic arm; 12. Flip module; 13. Vision guidance and barcode scanning module; 14. Cache module;
[0025] 21. First group of five-axis AOI inspection components; 22. Second group of five-axis AOI inspection components;
[0026] 31. User-facing AOI detection component; 32. Material handling module; 33. Bottom perimeter motion component;
[0027] 41. Four-axis robotic arm unloading assembly; 42. OK / NG product flow channel; 43. Post-processing NG product hopper. Detailed Implementation
[0028] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0029] like Figures 1-5 The device shown is an iPad four-channel appearance inspection device, which includes a feeder 1, a five-axis inspection machine 2, an AOI inspection machine 3, and a unloading machine 4, which sequentially complete the product feeding, inspection, and unloading processes.
[0030] Feeder 1: Includes a four-axis robot 11, a flipping module 12, a vision guidance and barcode scanning module 13, and a buffer module 14. The feeder directly connects to the upstream production line. The four-axis robot is used to pick up and place products from the production line, taking products out in pairs to the flipping module, and placing excess products into the buffer module.
[0031] Five-axis inspection machine 2: includes a first group of five-axis AOI inspection components 21 and a second group of five-axis AOI inspection groups 22;
[0032] The first group of five-axis AOI inspection components 21: two groups of two products are connected by a handshake and can be rotated 180°. It is used to inspect the LIP area and sides of the product. It includes a dual-station five-axis motion module with X-axis, Y-axis, Z-axis, U-axis and R-axis.
[0033] The second group of five-axis AOI inspection components 22: two groups of two products are connected by a handshake and can be rotated 180°. It is used to inspect the edges and corners of the products. It also includes a dual-station five-axis motion module with X-axis, Y-axis, Z-axis, U-axis and R-axis.
[0034] AOI inspection machine 3: includes user-side AOI inspection component 31, unloading and conveying module 32, and bottom four-sided motion component 33;
[0035] User-facing AOI inspection component 31: Two sets of two-piece products are connected and can be rotated 180° to inspect the user-facing side of the product.
[0036] Bottom four-sided motion components 33: including X-axis, Y-axis, U-axis and R-axis.
[0037] The unloading machine 4 includes a four-axis robotic unloading assembly 41, an OK / NG product flow channel 42, and a downstream NG product hopper 43. The four-axis robotic unloading assembly is used for unloading. OK and NG products inspected by AOI are unloaded through the flow channel, and NG products from downstream equipment are unloaded through the hopper. It includes a mobile four-axis robotic arm.
[0038] The entire machine uses a marble base plate to enhance equipment stability.
[0039] The work steps are as follows:
[0040] 1. Connect to the conveyor belt for incoming materials. Six pieces of products arrive at a time and are arranged in pairs.
[0041] 2. The four-axis robotic arm of the feeding machine places two products at a time into the flipping module after visual guidance and barcode scanning, for a total of four products. The extra two products are placed in the buffer fixture at the buffer station. The buffer fixture, in conjunction with a vacuum generator, ensures stable placement of the products. During the feeding process, a barcode scanner is used to scan product information, and the visual guidance camera's light source, along with the visual guidance camera, enables precise material picking and positioning. The feeding roller line assists in product conveying.
[0042] 3. Flip the product over and hand it over to the five-axis fixture. The five-axis motion module (including X-axis, Y-axis, Z-axis, U-axis and R-axis) in the dual-station five-axis fixture drives the product to move.
[0043] 4. The first group of five-axis AOI inspection components inspects the Lip area and sides of the product system. During the inspection, the five-axis inspection vision 1 works with the corresponding light source and camera to complete the inspection.
[0044] 5. The transfer module takes out the product and hands it over to the second fixture of the five-axis system.
[0045] 6. The second group of five-axis AOI inspection components inspects the product edges and corners. The five-axis inspection vision 2, together with the light source 2, camera 2, etc., completes the inspection.
[0046] 7. The product is flipped over and handed over to the AOI inspection fixture.
[0047] 8. The user-side AOI detection component performs line scan detection on the user side of the product.
[0048] 9. The unloading and handling module takes out the product and places it into the unloading fixture, which includes a suction cup fixture, a vacuum generator and a lifting cylinder to ensure stable placement of the product.
[0049] 10. The four-axis robot arm of the unloading mechanism picks up two pieces of product in sequence.
[0050] 11. The four-axis robot places the OK product into the connected conveyor belt.
[0051] 12. The four-axis robot puts the NG product into the NG conveyor belt inside the equipment.
[0052] 13. The four-axis robot removes the NG products from the downstream equipment and puts them into the NG material tray. The downstream NG material hopper is used to store the NG material tray. The material tray handling module, full tray flow channel, empty tray flow channel and material tray positioning component assist in the flow and positioning of the material tray.
[0053] The above description is only a specific embodiment of the present utility model. Various examples and illustrations do not constitute a limitation on the substantive content of the present utility model. Those skilled in the art can make modifications or variations to the above-described specific embodiments after reading the description without departing from the essence and scope of the utility model.
Claims
1. An IPAD four-channel appearance detection device, characterized in that: The system includes a loading mechanism, a testing mechanism, and a unloading mechanism. The loading mechanism comprises a loading machine, a four-axis robot, a flipping module, and a buffer module. The loading machine connects to the upstream production line, and the four-axis robot is used to remove products from the production line and send them to the flipping module. Excess products are stored in the buffer module. The testing mechanism includes a first set of five-axis AOI testing components, a second set of five-axis AOI testing components, and a user-facing AOI testing component. All three sets of five-axis AOI testing components can achieve 180° flipping of the product to test different parts of the product. The unloading mechanism includes a four-axis robot unloading component, an OK / NG product flow channel, and a downstream NG product bin. The four-axis robot unloading component is used to unload the tested products into OK / NG states through the OK / NG product flow channel and the downstream NG product bin, respectively.
2. The IPAD four lane appearance detection apparatus of claim 1, wherein: Both the first group of five-axis AOI detection components and the second group of five-axis AOI detection components include a dual-station five-axis motion module, which includes an X-axis, Y-axis, Z-axis, U-axis and R-axis.
3. The IPAD four lane appearance detection apparatus of claim 1, wherein: The feeding mechanism also includes a visual guidance component and a barcode scanning component. The visual guidance component includes a visual guidance camera and a visual guidance camera light source, and the barcode scanning component includes a barcode scanner.
4. The IPAD four lane appearance detection apparatus of claim 1, wherein: The cache module includes a cache fixture and a vacuum generator.
5. The IPAD four lane appearance detection apparatus of claim 1, wherein: The four-axis robotic arm unloading component of the unloading mechanism is a mobile four-axis robotic arm.
6. An IPAD four lane appearance detection apparatus as claimed in claim 1, wherein: The device uses a marble base plate.
7. The IPAD four lane appearance detection apparatus of claim 1, wherein: The first set of five-axis AOI inspection components is used to inspect the LIP area and sides of the product, the second set of five-axis AOI inspection components is used to inspect the edges and rounded corners of the product, and the user-facing AOI inspection component is used to inspect the user-facing side of the product.