An automatic detection product structure identification vision apparatus

Abstract

The utility model discloses a kind of automatic detection product structure identification visual equipment, comprising: at least two groups of visual inspection module;Conveying line, be set in the below of visual inspection module;Profiling tool, including the fixed plate being set on the conveying line, two groups of fixed blocks being set on the fixed plate and the placement slot being opened on the fixed block;The utility model can form stable constraint to product by profiling tool, product attitude is standardized, ensure its position is relatively uniform when moving to each detection station with conveying line, avoid the image acquisition deviation caused by product deviation, provide basic guarantee for subsequent detection precision, the quantitative judgment of visual inspection module to gray value in combination with image processing system, identification defect or component missing problem can be identified, compared with the subjective judgment of artificial detection, the equipment is through objective parameter and multi-view angle coverage, substantially reduce the risk of missed detection, misjudgment.

Description

Technical Field

[0001] This utility model relates to the field of product testing equipment technology, and in particular to an automatic visual device for detecting product structural markings. Background Technology

[0002] In the automotive manufacturing industry, structural markings of automotive parts are the core information carriers that ensure parts traceability, assembly compliance, and quality tracking. Their completeness, clarity, and accuracy are directly related to the quality control and safety assurance of the entire vehicle production. Therefore, the inspection of structural markings of automotive parts is a crucial link in the production process.

[0003] Currently, the inspection of markings on automotive parts mainly relies on operators to observe the marking features on the product surface to determine whether they meet preset standards. However, this method has many limitations: on the one hand, manual inspection is inefficient and cannot meet the high-speed mass production requirements of modern production lines, which can easily lead to production bottlenecks; on the other hand, long-term repetitive inspection can easily lead to operator fatigue, which in turn affects the accuracy of judgment, resulting in problems such as missed detections and false detections, increasing quality risks. Therefore, an automatic product structure marking vision device is proposed to solve this problem. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing the following technical solution:

[0005] An automatic product structure identification visual device, comprising:

[0006] At least two sets of visual inspection modules;

[0007] A conveyor line is located below the vision inspection module;

[0008] The contouring fixture includes a fixed plate disposed on the conveyor line, two sets of fixed blocks symmetrically disposed on the fixed plate, and a placement groove opened on the fixed blocks;

[0009] An image processing system, which is communicatively connected to the visual inspection module;

[0010] The conveyor line drives the contouring fixture to move, so that the product loaded by the contouring fixture passes sequentially through the inspection station directly below the at least two sets of vision inspection modules.

[0011] The visual inspection module includes a mounting rod, a mounting sleeve movably fitted onto the mounting rod, a camera fixed on the mounting sleeve, a lens disposed below the camera, and a light source disposed below the lens. A bolt is threaded into one side of the mounting sleeve, and one end of the bolt located inside the mounting sleeve abuts against the mounting rod.

[0012] Grooves are provided at both ends and both sides of the bottom of the fixing plate.

[0013] At least two sets of visual inspection modules are arranged in a linear array above the conveyor line.

[0014] The beneficial effects of this utility model are:

[0015] By using contour-following fixtures, stable constraints can be applied to the product, standardizing its posture and ensuring that its position is relatively uniform as it moves along the conveyor line to each inspection station. This avoids image acquisition deviations caused by product offset, providing a fundamental guarantee for subsequent inspection accuracy.

[0016] The visual inspection module, combined with the image processing system's quantitative judgment of grayscale values, can identify marking defects or missing parts. Compared with the subjective judgment of manual inspection, this equipment significantly reduces the risk of missed or false detections through objective parameters and multi-view coverage. The conveyor line drives product circulation, and with the rapid image acquisition and processing of the visual module, continuous and automated inspection can be achieved. Attached Figure Description

[0017] Figure 1 This is a front view of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the contouring tooling of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the visual inspection module of this utility model;

[0020] Figure 4 This is a structural schematic diagram of the contour-following tooling loading product of this utility model.

[0021] Reference numerals: 10, conveyor line; 20, contouring fixture; 21, fixing plate; 22, groove; 23, fixing block; 24, placement slot; 30, vision inspection module; 31, mounting rod; 32, camera; 33, mounting sleeve. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0023] An automatic product structure identification visual device, comprising:

[0024] At least two sets of visual inspection modules 30;

[0025] The conveyor line 10 is located below the vision inspection module 30;

[0026] The contouring fixture 20 includes a fixing plate 21 disposed on the conveyor line 10, two sets of fixing blocks 23 symmetrically disposed on the fixing plate 21, and a placement groove 24 opened on the fixing blocks 23;

[0027] An image processing system is communicatively connected to the visual inspection module 30;

[0028] The conveyor line 10 drives the contouring fixture 20 to move, so that the product loaded on the contouring fixture 20 passes sequentially through the inspection station directly below the at least two sets of visual inspection modules 30.

[0029] Specifically, the product to be inspected is placed in the placement slot 24 of the contouring fixture 20, and is stably fixed by symmetrically arranged fixing blocks 23. The entire product moves synchronously with the conveyor line 10. At this time, the posture of the product is standardized by the contouring fixture 20 to ensure that the position is relatively uniform when entering the inspection station. After the conveyor line 10 starts, it drives the contouring fixture 20 loaded with the product to move at a preset speed, so that the product passes through the inspection station directly below at least two sets of vision inspection modules 30 in sequence. By controlling the running rhythm of the conveyor line, it is ensured that the product is in a relatively static or stable state at each inspection station, which is convenient for the vision inspection module 30 to capture clear images. There are two sets of vision inspection modules 30. When the product arrives... When the product is directly below one of the vision inspection modules 30, the vision inspection module 30 captures images of the product's QR code and metal parts. After completing the inspection at the current station, the conveyor line continues to move the product to the next vision module. The next vision inspection module inspects the product's white clamps. The vision inspection module 30 transmits the captured images to the image processing system in real time. The image processing system analyzes the images. If a metal part is missing from the product, the grayscale value is >30. If a white clamp is missing from the product, the grayscale value is also >30. The above inspection process is repeated. After all modules have completed their inspections, the image processing system summarizes the results and classifies the qualified / unqualified products, thus achieving automated inspection.

[0030] In one embodiment, the visual inspection module 30 includes a mounting rod 31, a mounting sleeve 33 movably fitted onto the mounting rod 31, a camera 32 fixed on the mounting sleeve 33, a lens disposed below the camera 32, and a light source disposed below the lens. A bolt is threaded into one side of the mounting sleeve 33, and one end of the bolt located inside the mounting sleeve 33 abuts against the mounting rod 31. The mounting rod 31, as the basic support structure of the module, is usually made of metal. The mounting sleeve 33 can slide up and down along the mounting rod 31 to adjust its position. The threaded bolt on one side abuts against the mounting rod 31 by tightening, forming friction to fix the position of the mounting sleeve. Loosening the bolt allows for readjustment, making operation convenient. The camera 32 changes its shooting height according to the adjustment of the mounting sleeve to collect image information of product structural markings. The lens and camera work together to achieve focusing, ensuring image clarity. The light source provides uniform and stable illumination to the inspection area, reducing ambient light interference, highlighting product marking features, and improving image contrast.

[0031] In one embodiment, grooves 22 are provided at both ends and both sides of the bottom of the fixing plate 21. The grooves 22 can reduce the weight of the contour tooling 20 and the load on the conveyor line 10 while ensuring the overall structural strength, and facilitate the handling by the operator.

[0032] In one embodiment, at least two sets of visual inspection modules 30 are arranged in a linear array above the conveyor line 10. The linear array layout allows for inspection while moving. When the conveyor line moves at a constant speed, each set of modules can sequentially photograph the products passing by according to a preset time sequence.

[0033] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it.

Claims

1. An automatic visual device for detecting product structural markings, characterized in that, include: At least two sets of visual inspection modules (30); A conveyor line (10) is disposed below the visual inspection module (30); The contouring fixture (20) includes a fixed plate (21) disposed on the conveyor line (10), two sets of fixed blocks (23) symmetrically disposed on the fixed plate (21), and a placement groove (24) opened on the fixed blocks (23); An image processing system, which is communicatively connected to the visual inspection module (30); The conveyor line (10) drives the contouring fixture (20) to move so that the contouring fixture (20) loaded with products passes sequentially through the inspection station directly below the at least two sets of visual inspection modules (30).

2. The automatic product structure identification visual device according to claim 1, characterized in that: The visual inspection module (30) includes a mounting rod (31), a mounting sleeve (33) movably sleeved on the mounting rod (31), a camera (32) fixed on the mounting sleeve (33), a lens disposed below the camera (32), and a light source disposed below the lens. A bolt is threaded into one side of the mounting sleeve (33), and one end of the bolt located inside the mounting sleeve (33) abuts against the mounting rod (31).

3. The automatic product structure identification visual device according to claim 1, characterized in that: The fixing plate (21) has grooves (22) at both ends and both sides of its bottom.

4. The automatic product structure identification visual device according to claim 1, characterized in that: At least two sets of visual inspection modules (30) are arranged in a linear array above the conveyor line (10).

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