Automobile headlamp screw position detection device
An automated inspection device using servo mechanisms and vision sensors has solved the problem of detecting the position of screws inside automotive headlights, achieving efficient and accurate inspection, avoiding the hassle of manual strong light inspection, and improving production efficiency and safety.
Patent Information
- Application Number
- CN202520210589.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-11
AI Technical Summary
In the existing technology, after the position of the car headlight module is adjusted and before the hermetically sealed plug is installed, the detection of the screw position of the internal adjustment mechanism of the entire headlight is prone to failure, and can only be carried out by using a strong flashlight at a special angle, which increases the difficulty of detection.
An automated detection device, including a servo mechanism with X, Y, and Z axes and a vision sensor, is used to move the vision sensor in three-dimensional space through coordinated motion, thereby achieving accurate detection of the position of the lamp screws and avoiding manual detection with a strong flashlight.
It achieves 100% screw position detection coverage, saves operator time, improves production efficiency, avoids visual damage, and reduces detection time to within 30 seconds.
Smart Images

Figure CN223882924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to screw position technical field, especially a kind of automobile headlamp screw position detection device. BACKGROUND
[0002] Automobile headlamp screw position detection device is a kind of professional equipment in the automobile manufacturing and assembly process, its main function is accurate detection the position of screw on automobile headlamp, this device generally works through high-precision sensor, these sensors can accurately perceive the spatial position information of screw, on the production line of automobile headlamp, the device can quickly and accurately judge whether screw position meets standard, help to ensure the stability of product quality, by reducing the error that may appear in manual detection, greatly improve the detection efficiency, and, it can work with other equipment on production line, once detecting that screw position has deviation, can timely send alarm, facilitate staff to take measures to adjust, in practical application, automobile headlamp screw position detection device usually needs following technology:
[0003] 1, adopt high-resolution industrial camera, can quickly, clearly capture the image of automobile headlamp, by setting the focal length, aperture and shooting angle of camera reasonably, ensure that the image obtained contains complete headlamp and screw area, and detail is clear, provide high-quality data basis for subsequent image analysis;
[0004] 2, using advanced image recognition algorithm, pre-process the collected image, such as graying, filtering, enhancement, etc., to highlight the features of screw, then through edge detection, contour extraction algorithm, accurately identify the position, shape and size of screw, can quickly and accurately calculate the deviation value of screw and standard position.
[0005] At present, manufacturers realize automobile headlamp screw position detection by using various equipment and methods. In addition to detecting screw position, it can also identify whether the screw is missing, deformed, threaded damaged and other defects. Through the analysis of screw features in image and comparison with standard model, these problems can be found in time, to avoid defective headlamp into the next production link, improve product quality, automatically record the results of each detection, including screw position, deviation value, detection time and other information, and generate detailed data report. Through data analysis software, detection data can also be statistically analyzed, and trend chart can be drawn, to help manufacturers find potential problems in production process in time, optimize production process, and improve the stability of production quality.
[0006] However, the above-mentioned mode has a prominent hardware structure problem, the automobile headlamp, when the module position adjustment is completed, the detection of the screw position of the adjusting mechanism inside the whole lamp before the installation of the air-tight sealing plug, the failure mode occurs occasionally, and can only be viewed at a certain special angle by using a strong light flashlight, thereby improving the difficulty of detecting the screw position of the automobile headlamp. Practical new type content
[0007] In view of the defects of the prior art, the automobile headlamp screw position detection device is provided, which solves the technical problem that the automobile headlamp, when the module position adjustment is completed, the detection of the screw position of the adjusting mechanism inside the whole lamp before the installation of the air-tight sealing plug, the failure mode occurs occasionally, and can only be viewed at a certain special angle by using a strong light flashlight, thereby improving the difficulty of detecting the screw position of the automobile headlamp.
[0008] In order to achieve the above purpose, the technical scheme is as follows:
[0009] The automobile headlamp screw position detection device comprises a device main body, and further comprises a control mechanism, the control mechanism comprises a servo mechanism Y axis, a servo mechanism X axis, a servo mechanism Z axis and a visual sensor, and the servo mechanism X axis is fixedly connected with the device main body.
[0010] Preferably, the servo mechanism Y axis is fixedly connected with the device main body.
[0011] Preferably, the servo mechanism Z axis is vertically installed in the device main body.
[0012] Preferably, the visual sensor is rotationally connected with the servo mechanism Z axis.
[0013] Preferably, the detection area is located in the interior of the device main body.
[0014] Preferably, the size of the detection area is adapted to the size of the whole lamp.
[0015] Preferably, the whole lamp is fixedly connected with the device main body.
[0016] Preferably, an electrical control system is arranged in the device main body, and the system is electrically connected with the servo mechanism X axis, the servo mechanism Y axis, the servo mechanism Z axis and the visual sensor.
[0017] Compared with the prior art, the automobile headlamp screw position detection device has the following beneficial effects:
[0018] 1. The automatic equipment is used for detection, so that 100% of the whole lamps passing through the work station can be detected;
[0019] 2. When the screw position of the adjusting structure is abnormal, such as the screw position is not in the working position or the product cannot be normally driven due to damage of the adjusting mechanism, the device can 100% identify;
[0020] 3. When the adjusting mechanism is abnormal, the operator needs to use a strong flashlight and at a special angle to determine whether the abnormality is caused by damage of the adjusting mechanism;
[0021] 4. Using an automatic device for detection saves the operator's working time and optimizes the production efficiency; using the device for detection can complete the judgment within 30 seconds, and if the operator uses a strong flashlight for detection, it takes an average of 35-40 seconds to complete the judgment;
[0022] 5. Visual damage to the operator is avoided, that is, the operator avoids using a strong flashlight to observe abnormal phenomena. BRIEF DESCRIPTION OF DRAWINGS
[0023] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application and can be implemented according to the content of the specification, the following is a preferred embodiment of the present application and the detailed description is as follows.
[0024] Figure 1 It is a structure diagram of the whole of the present application;
[0025] Figure 2 It is a structure diagram of the whole of the present application; Figure 1 It is an enlarged structure diagram of A in the present application;
[0026] Figure 3 It is an enlarged structure diagram of B in the present application. Figure 1
[0027] Legend: 10, device main body; 11, servo mechanism Y axis; 12, servo mechanism X axis; 13, servo mechanism Z axis; 14, visual sensor; 15, detection area; 16, whole lamp. DETAILED DESCRIPTION
[0028] The embodiment of the present application provides a car headlamp screw position detection device, which effectively solves the technical problem of the difficulty of car headlamp screw position detection, that is, when the module position adjustment is completed, the detection of the screw position of the adjusting mechanism inside the whole lamp is carried out before the air-tight sealing installation, which is caused by failure mode and can only be checked at a certain special angle by using a strong flashlight.
[0029] EMBODIMENT
[0030] As Figure 1 , Figure 2 , Figure 3 As shown, the technical scheme in the embodiment of the application effectively solves the technical problem that the screw position detection of the automobile headlamp is difficult to improve because the screw position detection of the automobile headlamp is detected after the position adjustment of the module is completed and before the air-tight sealing installation, the failure mode occurs occasionally, and the screw position detection can only be observed at a certain special angle by using a strong light flashlight, and the overall idea is as follows:
[0031] In view of the problems in the prior art, the utility model provides a kind of automobile headlamp screw position detection device, including device main body 10, this automobile headlamp screw position detection device further include setting with control mechanism, control mechanism includes servo mechanism Y axis 11, servo mechanism X axis 12, servo mechanism Z axis 13 and vision sensor 14, through the collaborative movement of servo mechanism X axis 12, servo mechanism Y axis 11, servo mechanism Z axis 13, drive vision sensor 14 moves in three-dimensional space, make vision sensor 14 can carry out screw position detection to whole lamp 16 located in detection area 15, servo mechanism X axis 12 is fixedly connected with device main body 10, servo mechanism X axis 12 is connected with device main body 10 by rigid connection structure, the connecting structure guarantees the installation stability of servo mechanism X axis 12 on device main body 10, and can bear the force generated in the movement process of servo mechanism X axis 12, ensure that its movement accuracy is not influenced, to accurately drive vision sensor 14 moves in X direction.
[0032] Servo mechanism Y axis 11 is fixedly connected with device main body 10, servo mechanism Y axis 11 is placed perpendicularly with servo mechanism X axis 12, servo mechanism Z axis 13 is installed perpendicularly in device main body 10, when the screw position of adjusting structure is abnormal, such as screw position is not in working position or product cannot be normally driven due to adjusting mechanism damage, the equipment can 100% identification.
[0033] Vision sensor 14 is rotatably connected with servo mechanism Z axis 13, detection area 15 is located in the interior of device main body 10, when adjusting mechanism is abnormal, operator needs to use strong light flashlight and can judge whether the abnormality is from the damage of adjusting mechanism at special angle.
[0034] The size of detection area 15 is adapted to the size of whole lamp 16, whole lamp 16 is fixedly connected with device main body 10, uses automatic equipment detection, saves the working time of operator, optimizes production efficiency;Use equipment detection, can complete the judgment within 30 seconds, such as operator uses strong light flashlight detection, average time 35-40 seconds is completed to judge.
[0035] Electrical control system is arranged in device main body 10, the system is electrically connected with servo mechanism X axis 12, servo mechanism Y axis 11, servo mechanism Z axis 13, vision sensor 14, avoids the visual injury of operator, that is, avoids that operator observes abnormal phenomenon using strong light flashlight.
[0036] Device body 10: As the basic component of the automobile headlamp screw position detection device, it is used to fix and support other components, internally provided with an electrical control system, and provides connection and mounting positions for servo mechanism X axis 12, servo mechanism Y axis 11, servo mechanism Z axis 13 and whole lamp 16.
[0037] Servo mechanism Y axis 11: Fixedly connected with device body 10 and placed perpendicularly to servo mechanism X axis 12, through coordinated movement with servo mechanism X axis 12 and servo mechanism Z axis 13, it drives visual sensor 14 to move in three-dimensional space, so that visual sensor 14 can detect the screw position of whole lamp 16 located in detection area 15.
[0038] Servo mechanism X axis 12: Fixedly connected with device body 10 and connected through a rigid connection structure, it ensures the stability of installation on device body 10, can bear the force generated during movement, ensures the movement accuracy is not affected, accurately drives visual sensor 14 to move in X direction, and is one of the components that drive visual sensor 14 to move in three-dimensional space.
[0039] Servo mechanism Z axis 13: Perpendicularly installed in device body 10, cooperates with servo mechanism X axis 12 and servo mechanism Y axis 11 to drive visual sensor 14 to move in three-dimensional space, so that visual sensor 14 can detect the screw position of whole lamp 16 located in detection area 15; visual sensor 14 is rotationally connected with it.
[0040] Visual sensor 14: Rotationally connected with servo mechanism Z axis 13, moves in three-dimensional space through coordinated movement of servo mechanism X axis 12, servo mechanism Y axis 11 and servo mechanism Z axis 13, and is used to detect the screw position of whole lamp 16 located in detection area 15, so as to find out whether the screw position is abnormal, such as the screw position is not in the working position or the product cannot be normally driven due to damage of the adjusting mechanism.
[0041] Detection area 15: Located in the interior of device body 10, its size is adapted to the size of whole lamp 16, and is the spatial range for detecting the screw position of whole lamp 16.
[0042] Whole lamp 16: Fixedly connected with device body 10, is the object to be detected, located in detection area 15, and its screw position is detected by the automobile headlamp screw position detection device.
[0043] Working principle:
[0044] Using the automatic equipment detection, it is ensured that 100% of the whole lamps passing through the station are detected, when the screw position of the adjusting structure is abnormal, such as the screw position is not in the working position or the product cannot be normally driven due to the damage of the adjusting structure, the equipment can 100% identify, when the adjusting structure is abnormal, the operator needs to use a strong light flashlight and at a special angle to judge whether the abnormality is caused by the damage of the adjusting structure, using the automatic equipment detection, the working time of the operator is saved, and the production efficiency is optimized; using the equipment detection, the judgment can be completed within 30 seconds, if the operator uses the strong light flashlight to detect, the average time for completing the judgment is 35-40 seconds, the visual damage of the operator is avoided, that is, the operator avoids using the strong light flashlight to observe the abnormal phenomenon.
[0045] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A headlamp screw position detection device for a vehicle, comprising a device main body (10), characterized in that, The automobile headlamp screw position detection device further comprises a control mechanism, the control mechanism comprises a servo mechanism Y axis (11), a servo mechanism X axis (12), a servo mechanism Z axis (13) and a visual sensor (14). The servo mechanism X axis (12) is fixedly connected with the device body (10).
2. A headlamp screw position detection device for a vehicle as set forth in claim 1, characterized in that: The servo mechanism Y axis (11) is fixedly connected with the device body (10).
3. A headlamp screw position detection device for a vehicle as set forth in claim 2, characterized in that: The servo mechanism Z axis (13) is vertically installed in the device body (10).
4. A headlamp screw position detection device for a vehicle as set forth in claim 3, characterized in that: The visual sensor (14) is rotatably connected with the servo mechanism Z axis (13).
5. A headlamp screw position detection device for a vehicle as defined in claim 4, wherein: The detection area (15) is located in the inside of the device body (10).
6. A headlamp screw position detection device for a vehicle as defined in claim 5, wherein: The size of the detection area (15) is matched with the size of the whole lamp (16).
7. A headlamp screw position detection device for a vehicle as defined in claim 6, wherein: The whole lamp (16) is fixedly connected with the device body (10).
8. A headlamp screw position detection device for a vehicle as defined in claim 7, wherein: An electrical control system is arranged in the inside of the device body (10), and the system is electrically connected with the servo mechanism X axis (12), the servo mechanism Y axis (11), the servo mechanism Z axis (13) and the visual sensor (14).