A flexible circuit board pad inspection apparatus
By introducing precise intermittent repositioning and supplementary lighting measures into the flexible circuit board pad inspection equipment, combined with microscopes and displays to assist in inspection, the problem of low efficiency in traditional devices has been solved, achieving efficient and accurate pad inspection.
Patent Information
- Application Number
- CN202522151919.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-10-11
AI Technical Summary
Traditional flexible circuit board pad inspection devices are difficult to operate with precise intermittent transmission and lack supplemental lighting, resulting in low inspection efficiency and a high false detection rate. They are also unable to adapt to deformation and micro-pitch defects in flexible substrates.
A No. 1 motor drives the defective gear and gear combination to achieve precise intermittent shifting, combined with a No. 2 motor to drive the lead screw and lens, equipped with a ring lamp and microscope for supplementary lighting, and a probe pen and display screen to assist in detection.
It improves detection efficiency and accuracy, effectively detects pad defects, adapts to deformation and micro-pitch detection of flexible substrates, and reduces false detection rate.
Smart Images

Figure CN224682149U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of flexible circuit board pad inspection technology, and in particular to a flexible circuit board pad inspection device. Background Technology
[0002] To adapt to the trend of miniaturization and multifunctionality of electronic devices and the widespread application of flexible printed circuit boards (FPCs), and to solve the problems that the pads are prone to obvious and hidden defects due to the complex manufacturing process, as well as the low efficiency and high false detection rate of traditional manual visual inspection, and the difficulty of conventional machine vision to adapt to the deformation and micro-pitch defects of flexible substrates, there is an urgent need for specialized flexible printed circuit board pad inspection equipment to ensure FPC quality and production efficiency.
[0003] Traditional flexible circuit board pad inspection devices suffer from problems such as difficulty in accurately controlling intermittent transmission structures, lack of supplementary lighting, and low overall inspection efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a flexible circuit board pad inspection device that can achieve precise intermittent repositioning, enhance supplementary lighting measures, ensure the use of multiple protective components, add a display screen to assist observation, and improve inspection efficiency and accuracy.
[0005] To achieve the above objectives, a flexible circuit board pad inspection device is provided, comprising a base, a housing fixedly disposed in the middle of the base, a first groove fixedly disposed on the upper surface of the housing, a first motor fixedly disposed inside the first groove, the output end of the first motor being connected to a first rotating column, a defective gear fixedly disposed on the upper end of the first rotating column, the surface of the defective gear meshing with a first gear, the first gear being fixedly connected to a second rotating column, a turntable fixedly disposed on the upper surface of the second rotating column, a support column fixedly disposed on the upper surface of the turntable, and a placement seat fixedly disposed on the upper surface of the support column; A first fixing post is fixedly installed on the upper surface of the base. A second groove is fixedly installed on the surface of the first fixing post. A motor box is fixedly installed on the upper surface of the first fixing post. A second motor is fixedly installed inside the motor box. The output end of the second motor is connected to a lead screw. The lead screw is threadedly connected to a slider. A fixing plate is fixedly connected to the surface of the slider. A fixing seat is fixedly installed at the bottom of the fixing plate. A ring lamp tube is fixedly installed inside the fixing seat. A first lens is fixedly installed inside the fixing seat.
[0006] According to the flexible circuit board pad inspection equipment, two fixing frames are fixedly installed on both sides of the upper surface of the box, and several No. 1 lamp tubes are fixedly installed inside the two fixing frames.
[0007] According to the flexible circuit board pad inspection device, a second fixing column is fixedly installed on the top of one side of the base, a support plate is fixedly installed on the top of one side of the second fixing column, a microscope is fixedly installed inside the support plate, a wall panel is fixedly installed on one side surface of the second fixing column, a hook is fixedly installed on the surface of the wall panel, a probe pen is placed on the surface of the hook, and an insulating sleeve is installed on one end surface of the probe pen.
[0008] According to the flexible circuit board pad inspection device, two light-transmitting plates are fixedly mounted on the surfaces of the two fixing frames.
[0009] According to the flexible circuit board pad inspection equipment, a first display screen is fixedly installed on one side surface of the first fixing post, and a second display screen is fixedly installed on one side surface of the second fixing post.
[0010] According to the flexible circuit board pad inspection equipment, dustproof curtains are fixedly installed at both ends of the second tank, and the other end of the dustproof curtains is fixedly connected to both ends of the slider.
[0011] According to the flexible circuit board pad inspection device, a magnet is fixedly installed at the bottom of the inner wall of the placement seat.
[0012] According to the flexible circuit board pad inspection device, a lens protective cover is provided at the bottom of the microscope, and a protective cover is provided on the surface of the wall panel.
[0013] This utility model has the following beneficial effects: 1. Compared with existing technologies, by setting a No. 1 motor inside the housing and combining the defective gears and gears, the No. 1 motor is used to drive the turntable to perform precise intermittent repositioning, which effectively improves the repositioning efficiency of the pads to be inspected.
[0014] 2. Compared with the existing technology, by setting a lead screw on the surface of the first fixed column and setting a second motor at the top, the detection mechanism is driven by the second motor to take pictures of the solder pads, thereby identifying the problematic solder pads. In addition, two lighting devices are set on both sides of the top of the box, and a ring lamp is set around the lens to provide supplementary lighting for the detected solder pads, which is more conducive to the testing of the solder pads. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is an overall schematic diagram of a flexible circuit board pad inspection device according to the present invention; Figure 2 This is a cross-sectional view of the turntable of a flexible circuit board pad inspection device according to the present invention. Figure 3This is a partial schematic diagram of the turntable of a flexible circuit board pad inspection device according to the present invention; Figure 4 This is a partial cross-sectional view of a flexible circuit board pad inspection device according to the present invention. Figure 5 This is a partial schematic diagram of the observation mechanism of a flexible circuit board pad inspection device according to the present invention; Figure 6 This is a partial schematic diagram of the testing mechanism of a flexible circuit board pad testing device according to the present invention.
[0016] Legend: 1. Base; 2. Housing; 3. Dustproof curtain; 4. Light-transmitting plate; 5. Lens protective cover; 6. Protective cover; 7. First slot; 8. Motor No. 1; 9. First rotating column; 10. Broken gear; 11. Gear No. 1; 12. Second rotating column; 13. Turntable; 14. Support column; 15. Placement seat; 16. Magnet; 17. Fixing frame; 18. Lamp No. 1; 19. Fixing column No. 1; 20. Motor housing; 21. Motor No. 2; 22. Second slot; 23. Lead screw; 24. Slider; 25. Fixing plate; 26. Display screen No. 1; 27. Fixing seat; 28. Ring lamp; 29. First lens; 30. Fixing column No. 2; 31. Support plate; 32. Microscope; 33. Wall panel; 34. Hook; 35. Probe pen; 36. Insulating sleeve; 37. Display screen No. 2. Detailed Implementation
[0017] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0018] Reference Figure 1-6This utility model discloses a flexible circuit board pad inspection device, comprising a base 1, a housing 2 fixedly mounted in the middle of the base 1, a first groove 7 fixedly mounted on the upper surface of the housing 2, a first motor 8 fixedly mounted inside the first groove 7, the output end of the first motor 8 connected to a first rotating column 9, a broken gear 10 fixedly mounted on the upper end of the first rotating column 9, the surface of the broken gear 10 meshing with a first gear 11, the first gear 11 fixedly connected to a second rotating column 12, a turntable 13 fixedly mounted on the upper surface of the second rotating column 12, a support column 14 fixedly mounted on the upper surface of the turntable 13, and a placement seat 15 fixedly mounted on the upper surface of the support column 14. This structure enables the transmission of the pads. Precise intermittent repositioning effectively improves repositioning efficiency; a first fixed column 19 is fixedly installed on the upper surface of the base 1, a second groove 22 is fixedly installed on the surface of the first fixed column 19, a motor box 20 is fixedly installed on the upper surface of the first fixed column 19, a second motor 21 is fixedly installed inside the motor box 20, the output end of the second motor 21 is connected to a lead screw 23, the lead screw 23 is threadedly connected to a slider 24, a fixed plate 25 is fixedly connected to the surface of the slider 24, a fixed seat 27 is fixedly installed at the bottom of the fixed plate 25, a ring lamp tube 28 is fixedly installed inside the fixed seat 27, and a first lens 29 is fixedly installed inside the fixed seat 27, controlling the raising and lowering of the first lens 29 and improving the lighting required for observation.
[0019] Two mounting brackets 17 are fixedly installed on both sides of the upper surface of the housing 2. Several No. 1 lamp tubes 18 are fixedly installed inside the two mounting brackets 17 to provide better lighting assistance for detecting solder pad problems. A No. 2 mounting post 30 is fixedly installed on the top of one side of the base 1. A support plate 31 is fixedly installed on the top of the top of the second mounting post 30. A microscope 32 is fixedly installed inside the support plate 31. A wall panel 33 is fixedly installed on one side of the second mounting post 30. A hook 34 is fixedly installed on the surface of the wall panel 33. A probe pen 35 is placed on the surface of the hook 34. An insulating sleeve 36 is installed on one end of the probe pen 35. The use of the microscope 32 and the probe pen 35 facilitates efficient detection of solder pad quality and improves the efficiency of the inspection process. Two light-transmitting plates 4 are fixedly installed on the surfaces of the two mounting brackets 17. A No. 1 display screen 26 is fixedly installed on one side of the first mounting post 19, and a No. 2 display screen 37 is fixedly installed on one side of the second mounting post 30. This facilitates observation of potential problems with the solder pads and helps identify minor issues in the soldering process. Dustproof curtains 3 are fixedly installed at both ends of the second groove 22. The other end of the dustproof curtains 3 is fixedly connected to both ends of the slider 24 to protect the lead screw 23 from dust ingress during use, which could affect its operation. A magnet 16 is fixedly installed at the bottom of the inner wall of the placement seat 15 to attract the solder pads and prevent them from shifting during transmission or testing. A lens protective cover 5 is installed at the bottom of the microscope 32, and a protective cover 6 is installed on the surface of the wall panel 33 to protect the microscope lens and probe pen 35 for long-term use.
[0020] Working principle: First, the pad to be inspected is placed in the placement base 15. The magnet 16 inside the placement base 15 will attract the pad, preventing it from shifting and affecting the inspection. Then, motor 8 is started, driving the turntable 13 to rotate. The turntable 13 rotates a quarter angle and stops below the first lens 29. Then, motor 21 is started, lowering the first lens 29 to the observation position. The lighting devices on both sides of the top of the housing 2 and the ring lamps 28 around the first lens 29 are activated to assist in observation. The solder pads captured by the camera 29 will be displayed on display screen 26. Observe the pads on display screen 26. Good pads will proceed to the next step of inspection, while bad pads will be manually recycled. After observation, turntable 13 will rotate to the next inspection position. Open the lens cover 5 at the bottom of microscope 32 and the protective cover 6 on the wall panel 33. Use the probe pen 35 to hold the insulating sleeve 36 to inspect the solder pads. Then, observe and inspect the images on display screen 37 through microscope 32. Good pads will be recycled, while bad pads will be processed.
[0021] After the test is completed, turn off motor 8 and motor 21, turn off the lighting device, and put the lens cover 5 and protective cover 6 back in their original positions to protect the instrument for subsequent use.
[0022] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A flexible circuit board pad inspection device, characterized in that, Includes a base (1), a box (2) is fixedly installed in the middle of the base (1), a first groove (7) is fixedly installed on the upper surface of the box (2), a first motor (8) is fixedly installed inside the first groove (7), the output end of the first motor (8) is connected to a first rotating column (9), a broken gear (10) is fixedly installed on the upper end of the first rotating column (9), a first gear (11) is meshed on the surface of the broken gear (10), a second rotating column (12) is fixedly connected to the first gear (11), a turntable (13) is fixedly installed on the upper surface of the second rotating column (12), a support column (14) is fixedly installed on the upper surface of the turntable (13), and a placement seat (15) is fixedly installed on the upper surface of the support column (14). A first fixing post (19) is fixedly installed on the upper surface of the base (1). A second groove (22) is fixedly installed on the surface of the first fixing post (19). A motor box (20) is fixedly installed on the upper surface of the first fixing post (19). A second motor (21) is fixedly installed inside the motor box (20). The output end of the second motor (21) is connected to a lead screw (23). The lead screw (23) is threadedly connected to a slider (24). A fixing plate (25) is fixedly connected to the surface of the slider (24). A fixing seat (27) is fixedly installed at the bottom of the fixing plate (25). A ring lamp tube (28) is fixedly installed inside the fixing seat (27). A first lens (29) is fixedly installed inside the fixing seat (27).
2. The flexible circuit board pad inspection device according to claim 1, characterized in that, Two fixing frames (17) are fixedly installed on both sides of the upper surface of the box (2), and several No. 1 lamp tubes (18) are fixedly installed inside the two fixing frames (17).
3. The flexible circuit board pad inspection device according to claim 1, characterized in that, A second fixing column (30) is fixedly installed on the top of one side of the base (1). A support plate (31) is fixedly installed on the top of one side of the second fixing column (30). A microscope (32) is fixedly installed inside the support plate (31). A wall panel (33) is fixedly installed on one side of the second fixing column (30). A hook (34) is fixedly installed on the surface of the wall panel (33). A probe pen (35) is placed on the surface of the hook (34). An insulating sleeve (36) is installed on one end of the probe pen (35).
4. The flexible circuit board pad inspection device according to claim 2, characterized in that, Two light-transmitting plates (4) are fixedly installed on the surfaces of the two fixing frames (17).
5. The flexible circuit board pad inspection device according to claim 3, characterized in that, A first display screen (26) is fixedly installed on one side of the first fixed post (19), and a second display screen (37) is fixedly installed on one side of the second fixed post (30).
6. The flexible circuit board pad inspection device according to claim 1, characterized in that, Dustproof curtains (3) are fixedly installed at both ends of the second groove (22), and the other end of the dustproof curtains (3) is fixedly connected to both ends of the slider (24).
7. The flexible circuit board pad inspection device according to claim 1, characterized in that, A magnet (16) is fixedly installed at the bottom of the inner wall of the placement seat (15).
8. The flexible circuit board pad inspection device according to claim 3, characterized in that, The microscope (32) is provided with a lens protective cover (5) at the bottom, and the wall panel (33) is provided with a protective cover (6) on the surface.