Circuit board appearance detection equipment

By rotating the circuit board through transparent glass, combined with a camera and a supplementary light, the circuit board can be inspected without flipping. This solves the problems of complex operation and pin deformation in existing technologies, and improves inspection efficiency and clarity.

CN223461452UActive Publication Date: 2025-10-21LONGNAN JUNYA ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202422385954.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-10-21
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

Existing circuit board appearance inspection equipment requires flipping the circuit board when inspecting both sides, which is complicated and can easily cause deformation of the metal pins.

Method used

The circuit board is rotated by a transparent glass, and the top and bottom surfaces of the circuit board are photographed by the imaging components on the front and rear supports respectively. Combined with a supplementary light and an infrared position sensor, double-sided inspection can be achieved without flipping the circuit board.

Benefits of technology

This improved testing efficiency, prevented circuit board pin deformation, and ensured image clarity and testing reliability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223461452U_ABST
    Figure CN223461452U_ABST
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Abstract

The utility model relates to the technical field of circuit board appearance detection, and discloses a circuit board appearance detection device which comprises an electric turntable, transparent glass is fixedly installed at the rotating end of the electric turntable, a front support is arranged on the left side of the electric turntable, a rear support is arranged behind the front support, and the rear support is arranged on the right side of the electric turntable. The front support and the rear support are circumferentially distributed around the central axis of the transparent glass, the transparent glass is driven to rotate through the transparent glass, then the circuit board on the transparent glass is driven to rotate, when the circuit board passes through the front support, the upper surface of the circuit board is photographed by the photographing component on the front support, and when the circuit board passes through the rear support, the circuit board is photographed by the photographing component on the rear support. When the circuit board is detected, the lower surface of the circuit board is photographed by the photographing part on the rear support, photographing of the upper surface and the lower surface of the circuit board is achieved, the circuit board does not need to be overturned, the detection efficiency is ensured, and the problem that pins on the circuit board deform due to overturning collision is also avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board appearance detection technical field, concretely is a kind of circuit board appearance detection equipment. BACKGROUND

[0002] The appearance detection equipment of prior art mostly carries intelligent visual detection component, can carry out image shooting to the surface of circuit board, then the image of shooting is analyzed and compared, and then whether circuit board is qualified is judged, but mostly device when working, first need to be fixed to circuit board, and when double-sided detection is carried out to circuit board, mostly need to be unlocked to relax to circuit board, then after rotating one hundred and eighty degrees, clamping is carried out, operation is complex, increase the labor intensity of operator, although the automatic turnover mechanism is set to part of equipment, is used to turn over circuit board, but metal pin is often set on circuit board, and metal pin is prone to collision with supporting surface in the process of turning over, and then lead to the deformation of metal pin. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of circuit board appearance detection equipment to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of circuit board appearance detection equipment, including motorized turntable, the rotating end of the motorized turntable is fixedly installed with transparent glass, the left side of the motorized turntable is provided with front support, the rear of the front support is provided with rear support, the front support, rear support is circumferentially distributed around transparent glass center axis, the front support, rear support are all fixedly installed with photographing component on, the photographing component on the front support is located above transparent glass, the photographing component on the rear support is located below transparent glass.

[0005] Further, the photographing component includes mounting plate, the mounting plate is fixedly installed on front support and rear support, the side outer wall of the mounting plate towards transparent glass is fixedly installed with photographing camera, the side outer wall of the mounting plate towards transparent glass is fixedly installed with bending plate one, the inner wall of the bending plate one is fixedly installed with light supplementing lamp, the light supplementing lamp is obliquely arranged, and the light supplementing lamp is towards transparent glass.

[0006] Further, the outer wall of the mounting plate is fixedly installed with bending plate two, the bending plate two and bending plate one are symmetrically arranged about photographing camera center surface, the outer wall of the bending plate two is fixedly installed with reflector plate, the reflector plate is towards transparent glass, the outer wall of the mounting plate is fixedly installed with infrared position sensor.

[0007] Further, the upper surface of the transparent glass is provided with annular groove, the transparent glass is made of transparent toughened glass.

[0008] Further, the front of the transparent glass is provided with an upper feeding frame, the right side of the upper feeding frame is provided with a lower feeding frame, the top of the upper feeding frame is fixedly installed with an upper feeding frame, and the top of the lower feeding frame is placed with a lower feeding frame.

[0009] Further, the inside of the upper feeding frame is fixedly installed with an electric telescopic rod, the inside of the upper feeding frame is slidably provided with a lifting plate, the elongated end of the electric telescopic rod is movably penetrated through the bottom of the upper feeding frame, the elongated end of the electric telescopic rod is fixedly connected with the bottom of the lifting plate, and the inside of the lower feeding frame is installed with a limiting clamping seat.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The transparent glass drives the transparent glass to rotate, and then drives the circuit board on the transparent glass to rotate, the upper surface of the circuit board is photographed by the photographing part on the front support when the circuit board passes through the front support, and the lower surface of the circuit board is photographed by the photographing part on the rear support when the circuit board passes through the rear support, so that the upper and lower surfaces of the circuit board are photographed, without turning over the circuit board, which not only ensures the detection efficiency, but also avoids the problem of pin deformation on the circuit board caused by turning over and collision.

[0012] The mounting plate is arranged to mount the photographing camera and the bending plate one, the photographing camera is arranged to photograph the circuit board, the bending plate one is arranged to mount the light supplement lamp, and the light supplement lamp is arranged to illuminate the circuit board, so that the photographing camera can shoot clear photos. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model Figure 1 It is a structural schematic view of the back view;

[0015] Figure 3 It is a structural schematic view of the photographing part of the utility model;

[0016] Figure 4 It is a structural schematic view of the upper feeding frame and the upper feeding frame of the utility model;

[0017] Figure 5 It is a structural schematic view of the lower feeding frame bottom view of the utility model.

[0018] In the figure: 1, electric rotating disc; 2, transparent glass; 3, front support; 4, rear support; 5, circular groove; 6, photographing component; 601, mounting plate; 602, photographing camera; 603, bending plate one; 604, light supplement lamp; 7, bending plate two; 8, reflecting plate; 9, infrared position sensor; 10, upper feeding frame; 11, upper feeding frame; 12, lower feeding frame; 13, lower feeding frame; 14, electric telescopic rod; 15, lifting plate; 16, limiting clamping seat. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a circuit board appearance detection equipment, including electric rotating disc 1, the rotating end of electric rotating disc 1 is fixedly installed with transparent glass 2, the left side of electric rotating disc 1 is provided with front support 3, the rear of front support 3 is provided with rear support 4, and front support 3, rear support 4 is distributed around the center axis of transparent glass 2, and photographing component 6 is fixedly installed on front support 3 and rear support 4, photographing component 6 on front support 3 is located above transparent glass 2, and photographing component 6 on rear support 4 is located below transparent glass 2, transparent glass 2 is driven to rotate by transparent glass 2, to further drive the circuit board on transparent glass 2 to rotate, when the circuit board passes through front support 3, the upper surface thereof is photographed by photographing component 6 on front support 3, and when the circuit board passes through rear support 4, the lower surface thereof is photographed by photographing component 6 on rear support 4, to realize the photographing of the upper and lower surfaces of the circuit board, without turning over the circuit board, ensure detection efficiency, and avoid the problem of needle deformation on the circuit board caused by collision due to turning over;

[0021] Photographing component 6 includes mounting plate 601, and mounting plate 601 is fixedly installed on front support 3 and rear support 4, photographing camera 602 is fixedly installed on the outer wall of one side of mounting plate 601 towards transparent glass 2, bending plate one 603 is fixedly installed on the outer wall of one side of mounting plate 601 towards transparent glass 2, light supplement lamp 604 is fixedly installed on the inner wall of bending plate one 603, light supplement lamp 604 is inclinedly arranged, and light supplement lamp 604 faces transparent glass 2, mounting plate 601 is arranged for mounting photographing camera 602 and bending plate one 603, photographing camera 602 is arranged for photographing the circuit board, bending plate one 603 is arranged for mounting light supplement lamp 604, and light supplement lamp 604 is arranged for illuminating the circuit board, to ensure that photographing camera 602 can shoot clear photos;

[0022] The outer wall of the mounting plate 601 is fixedly provided with a bending plate two 7, the bending plate two 7 and the bending plate one 603 are symmetrically arranged about the center plane of the camera 602, the outer wall of the bending plate two 7 is fixedly provided with a reflecting plate 8, the reflecting plate 8 faces the transparent glass 2, the outer wall of the mounting plate 601 is fixedly provided with an infrared position sensor 9, the light is reflected by the reflecting plate 8, that is, the circuit board is irradiated from the opposite direction of the light supplementing lamp 604, the illumination coverage of the circuit board is improved, and the infrared position sensor 9 is arranged to detect whether the circuit board is rotated to the photographing part 6.

[0023] A circular groove 5 is formed in the upper surface of the transparent glass 2, the transparent glass 2 is made of transparent tempered glass, and the circular groove 5 is arranged to assist workers to place the circuit board, that is, the circuit board placed in the circular groove 5 will not exceed the photographing range of the camera 602.

[0024] The front of the transparent glass 2 is provided with a feeding rack 10, the right side of the feeding rack 10 is provided with a discharging rack 12, the top of the feeding rack 10 is fixedly provided with a feeding frame 11, and the top of the discharging rack 12 is provided with a discharging frame 13; the feeding rack 10 and the discharging rack 12 are arranged to mount and place the feeding frame 11 and the discharging frame 13 respectively, the feeding frame 11 is arranged to place undetected circuit boards, and the discharging frame 13 is arranged to recycle the detected qualified circuit boards.

[0025] The inside of the feeding rack 10 is fixedly provided with an electric telescopic rod 14, the inside of the feeding frame 11 is slidably provided with a lifting plate 15, the extension end of the electric telescopic rod 14 is movably penetrated through the bottom of the feeding frame 11, the extension end of the electric telescopic rod 14 is fixedly connected with the bottom of the lifting plate 15, and the inside of the discharging frame 13 is provided with a limiting clamping seat 16; in the process of taking out the circuit board from the feeding frame 11, the electric telescopic rod 14 drives the lifting plate 15 to rise, and then drives the circuit board to rise, so that the worker can take the circuit board at the bottom of the feeding frame 11, and the limiting clamping seat 16 is arranged to fix and separately place the detected qualified circuit boards, so as to avoid the secondary damage of the circuit board.

[0026] Working principle: in use, the transparent glass 2 is driven to rotate by the electric rotating disc 1, the worker takes out the circuit board from the feeding frame 11, and then places it in the circular groove 5, the transparent glass 2 drives the circuit board to rotate, when the circuit board passes through the front support 3, the upper surface of the circuit board is photographed by the photographing part 6 on the front support 3, when the circuit board passes through the rear support 4, the lower surface of the circuit board is photographed by the photographing part 6 on the rear support 4, the photographing of the upper and lower surfaces of the circuit board is realized, the circuit board does not need to be turned over, which ensures the detection efficiency and avoids the problem of needle deformation of the circuit board caused by collision due to turning over, after detection, the circuit board is transported to the vicinity of the discharging frame 13, and then the worker takes the circuit board into the discharging frame 13 for recycling.

[0027] Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of the utility model protection.

Claims

1. A circuit board appearance inspection apparatus comprising a motorized turntable (1), characterized in that: The rotating end of the electric rotating disc (1) is fixedly installed with a transparent glass (2), the left side of the electric rotating disc (1) is provided with a front support (3), the rear of the front support (3) is provided with a rear support (4), the front support (3) and the rear support (4) are circumferentially distributed around the central axis of the transparent glass (2), and the front support (3) and the rear support (4) are both fixedly installed with a photographing component (6), the photographing component (6) on the front support (3) is located above the transparent glass (2), and the photographing component (6) on the rear support (4) is located below the transparent glass (2).

2. The circuit board appearance inspection apparatus according to claim 1, characterized by: The photographing component (6) comprises a mounting plate (601), the mounting plate (601) is fixedly installed on the front support (3) and the rear support (4), a photographing camera (602) is fixedly installed on the outer wall of one side of the mounting plate (601) facing the transparent glass (2), a bending plate one (603) is fixedly installed on the outer wall of one side of the mounting plate (601) facing the transparent glass (2), a light supplementing lamp (604) is fixedly installed on the inner wall of the bending plate one (603), and the light supplementing lamp (604) is inclinedly arranged and faces the transparent glass (2).

3. The circuit board appearance inspection apparatus according to claim 2, characterized by: The outer wall of the mounting plate (601) is fixedly installed with a bending plate two (7), the bending plate two (7) and the bending plate one (603) are symmetrically arranged about the central plane of the photographing camera (602), a reflecting plate (8) is fixedly installed on the outer wall of the bending plate two (7) and faces the transparent glass (2), and an infrared position sensor (9) is fixedly installed on the outer wall of the mounting plate (601).

4. The circuit board appearance inspection apparatus according to claim 1, characterized by: The upper surface of the transparent glass (2) is provided with a circular groove (5), and the transparent glass (2) is made of transparent tempered glass.

5. The circuit board appearance inspection apparatus according to claim 1, characterized by: The front of the transparent glass (2) is provided with a feeding rack (10), the right side of the feeding rack (10) is provided with a discharging rack (12), the top of the feeding rack (10) is fixedly installed with a feeding frame (11), and the top of the discharging rack (12) is placed with a discharging frame (13).

6. The circuit board appearance inspection apparatus according to claim 5, characterized by: The inside of the feeding rack (10) is fixedly installed with an electric telescopic rod (14), the inside of the feeding frame (11) is slidably provided with a lifting plate (15), the elongated end of the electric telescopic rod (14) is movably penetrated through the bottom of the feeding frame (11), the elongated end of the electric telescopic rod (14) is fixedly connected with the bottom of the lifting plate (15), and the inside of the discharging frame (13) is installed with a limiting clamping seat (16).