Motion track detection system of laser quenching machine

Abstract

The invention discloses a motion trail detection system of a laser quenching machine, and particularly relates to the technical field of motion trail detection.The motion trail detection system comprises a laser irradiation device used for irradiating the surface of a workpiece through a laser beam, and a motion control system accurately controls the motion path of the laser irradiation device to detect the motion trail of the workpiece. The laser beam uniformly irradiates the surface of the workpiece on a preset track; the system further comprises a track detection unit and a feedback control module. By introducing the high-precision laser sensor and the image acquisition device, the movement track of the laser irradiation device can be monitored more accurately, and the change of the track is captured in real time, so that the quality of laser quenching and the uniformity of surface hardness are ensured, and the quality of laser quenching is improved by adopting a closed-loop control system. Therefore, the system can obtain data of the track detection unit in real time and feed back a control signal in real time for adjustment, the height consistency of the laser irradiation device and the preset track is ensured, and the precision and stability of the laser quenching process are greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of motion trajectory detection, and in particular to a motion trajectory detection system for a laser quenching machine. Background Art

[0002] Laser quenching technology, as an efficient metal surface hardening technology, is widely used in modern manufacturing, especially in the automotive, aerospace, and precision machinery fields. By focusing the laser beam on the metal surface, the surface temperature is rapidly increased, and after reaching the quenching temperature, it is quickly cooled, thereby improving the hardness and wear resistance of the metal surface. In order to ensure the efficiency and accuracy of the laser quenching process, the detection of the motion trajectory is particularly important. Traditional laser quenching systems usually rely on manual trajectory setting and cannot monitor and adjust the motion path in real time. This may lead to unstable quenching quality and affect the accuracy and performance of the product.

[0003] Existing trajectory detection technologies generally use hardware devices such as sensors and cameras, but these devices often have slow response speeds, low accuracy, and are susceptible to environmental interference, and cannot fully meet the requirements of high-precision laser quenching processes. Summary of the Invention

[0004] This application proposes a motion trajectory detection system for a laser quenching machine to solve the problem that existing trajectory detection technologies generally use hardware devices such as sensors and cameras, but these devices often have slow response speeds, low accuracy, and are susceptible to environmental interference, and cannot fully meet the requirements of high-precision laser quenching processes.

[0005] In order to achieve the above objectives, the present application adopts the following technical solution: a motion trajectory detection system for a laser quenching machine, comprising:

[0006] A laser irradiation device is used to irradiate the surface of a workpiece with a laser beam to achieve rapid heating of the metal surface, thereby achieving the required hardness of the metal surface;

[0007] The motion control system ensures that the laser beam evenly irradiates the workpiece surface along a predetermined trajectory by precisely controlling the motion path of the laser irradiation device;

[0008] A trajectory detection unit, comprising at least a plurality of high-precision sensors and an image acquisition device, for accurately monitoring the actual motion trajectory of the laser irradiation device in real time and providing feedback data;

[0009] A data processing and analysis unit receives feedback data from the trajectory detection unit, analyzes the motion trajectory of the laser irradiation device in real time based on image processing technology and sensor data, determines the deviation between the actual trajectory and the predetermined trajectory, and calculates a correction strategy;

[0010] The feedback control module adjusts the motion control system in real time according to the correction strategy calculated by the data processing and analysis unit to correct the trajectory of the laser irradiation device, thereby ensuring the accuracy and uniformity of the quenching process.

[0011] The aforementioned components achieve the following: by integrating the laser irradiation device, motion control system, trajectory detection unit, data processing and analysis unit, and feedback control module, real-time monitoring and adjustment are achieved during the laser quenching process. This significantly improves the accuracy and consistency of the laser quenching process, avoiding the quality fluctuations caused by human error or inaccurate control in traditional systems. The system's closed-loop control effectively ensures that the laser irradiation path is highly consistent with the predetermined path, thereby ensuring uniform surface hardness on each workpiece.

[0012] Preferably, the trajectory detection unit includes at least one laser sensor for capturing the position of the laser irradiation device in real time. The sensor performs position tracking based on the laser reflection principle, thereby providing higher positioning accuracy.

[0013] The effect achieved by the above components is: by introducing a high-precision laser sensor, the position of the laser irradiation device can be accurately tracked using the principle of laser reflection, which can greatly reduce the errors in traditional sensor technology, and enable the system to have a higher perception of the real-time position of the laser irradiation device, thereby ensuring that the deviation between the motion trajectory and the predetermined trajectory during the laser quenching process is minimized, thereby improving the accuracy and reliability of the entire system.

[0014] Preferably, the image acquisition device is a high-resolution camera, which can capture the motion trajectory in real time when the laser irradiation device moves, and perform image recognition and processing on the trajectory to ensure the accuracy and real-time nature of the trajectory data.

[0015] The effect achieved by the above components is: the introduction of high-resolution cameras enables the motion trajectory of the laser irradiation device to be captured in real time through image recognition and processing technology, and can more accurately identify and record the actual motion trajectory of the laser irradiation device, avoiding the errors caused by low image capture accuracy or long delay in traditional technologies, enhancing the accuracy of trajectory data, and providing a solid foundation for subsequent data processing and analysis.

[0016] Preferably, the data processing and analysis unit integrates and analyzes the data from the image acquisition device and the sensor in real time through image processing technology and sensor data fusion technology, automatically calculates the deviation between the motion trajectory and the preset trajectory, and generates corresponding correction instructions to ensure the precise movement of the laser irradiation device.

[0017] The effects achieved by the above components are: the use of image processing technology and sensor data fusion enables the system to intelligently analyze and optimize the motion trajectory of the laser irradiation device based on real-time data, which can improve the accuracy of data processing, and can also automatically calculate trajectory deviations and generate corresponding correction instructions, reducing the need for manual adjustments, thereby improving the automation level and efficiency of the production process.

[0018] Preferably, the feedback control module accurately controls the motion trajectory of the laser irradiation device by adjusting the driving device in the motion control system in real time, including the motor, servo control system, etc., to ensure that the laser irradiation device moves according to the predetermined trajectory, thereby improving the quality of laser quenching.

[0019] The result is that the introduction of this feedback control module enables the laser irradiation device to automatically adjust according to real-time trajectory deviations. By precisely controlling the motor and servo control system within the motion control system, the laser irradiation device is ensured to always move along the predetermined path. This effectively improves the accuracy of laser quenching, avoids quality fluctuations caused by operational errors or untimely system adjustments in traditional methods, and ensures the consistency and reliability of the quenching process.

[0020] Preferably, the system further includes an error correction mechanism, which can automatically correct the motion trajectory of the laser irradiation device when a trajectory error is detected, thereby avoiding the problem of uneven quenching quality caused by trajectory deviation and improving the reliability and consistency of laser quenching.

[0021] The result of these components is a more intelligent correction mechanism for the laser hardening process. When the system detects an error in the motion trajectory, it automatically adjusts and restores the machine to the preset path, avoiding production interruptions or quality fluctuations caused by manual adjustments. This improves the automation level of the production process, further enhances the adaptability and stability of the machine under varying operating conditions, and reduces the need for maintenance and manual intervention.

[0022] Preferably, the motion control system includes a closed-loop control system, which automatically adjusts the position of the laser irradiation device by acquiring data from the trajectory detection unit in real time, ensuring that the laser irradiation path is highly consistent with the predetermined path, thereby making the quenching process more accurate and efficient.

[0023] The effect achieved by the above components is: the use of a closed-loop control system enables a tight feedback control network to be formed between the laser irradiation device and the trajectory detection unit, which can achieve real-time adjustment throughout the quenching process, so that the laser irradiation device always runs on the optimal path, thereby greatly improving the accuracy, stability and consistency of the laser quenching process, and avoiding the path deviation and unstable processing quality common in traditional systems.

[0024] Preferably, the data processing and analysis unit includes an adaptive algorithm module, which can adaptively adjust the analysis strategy according to different laser quenching task requirements, dynamically optimize the data processing process, and improve the adaptability and flexibility of the system in complex environments.

[0025] The result achieved by these components is that the introduction of adaptive algorithm modules enables the system to automatically adjust data processing and analysis strategies based on varying production task requirements. Whether working with workpieces of varying materials or in varying environmental conditions, the system dynamically optimizes based on real-time data, improving system adaptability and reducing production errors caused by environmental variations. This allows the laser hardening equipment to maintain efficient and precise operation despite diverse production demands.

[0026] In summary, the beneficial effects of this application are:

[0027] By introducing a high-precision laser sensor and image acquisition device, the motion trajectory of the laser irradiation device can be more accurately monitored and trajectory changes can be captured in real time, thereby ensuring the quality of laser quenching and the uniformity of surface hardness. Compared with traditional single-sensor technology, this combination solution can effectively eliminate errors and improve the system's positioning accuracy.

[0028] By introducing a data processing and analysis unit and integrating image processing technology with sensor data, it is possible to intelligently determine the deviation between the motion trajectory of the laser irradiation device and the predetermined trajectory and make corrections in real time, thus avoiding quality problems caused by human adjustments or operational errors in traditional systems.

[0029] When the system detects a trajectory error, the error correction mechanism automatically adjusts the motion trajectory without manual intervention, reducing the operator's workload, improving the degree of automation of laser quenching, and significantly improving production efficiency.

[0030] By adopting a closed-loop control system, the system can obtain data from the trajectory detection unit in real time and immediately feedback the control signal for adjustment, ensuring the high consistency of the laser irradiation device with the preset trajectory, greatly improving the accuracy and stability of the laser quenching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1This is a flowchart of the motion detection system used for the laser quenching machine in this application. DETAILED DESCRIPTION

[0032] Example 1, a motion trajectory detection system for a laser quenching machine, comprising:

[0033] 1. Motion trajectory detection system:

[0034] (1) Laser irradiation device: used to realize laser irradiation during laser quenching. The laser beam is used to irradiate the workpiece surface with high energy, causing the surface temperature to rise rapidly and then cool rapidly, so as to achieve the purpose of changing the surface hardness of the workpiece.

[0035] (2) Motion control system: including components such as motors and servo drive systems, which are used to control the precise movement of the laser irradiation device to ensure that the laser irradiation path follows the predetermined trajectory.

[0036] (3) Trajectory detection unit: It is mainly composed of laser sensors, image acquisition devices, etc. It is responsible for real-time monitoring of the motion trajectory of the laser irradiation device, detecting trajectory deviations and feeding back the data to the data processing and analysis unit.

[0037] (4) Data processing and analysis unit: An integrated computer system that uses data processing and analysis algorithms to analyze trajectory data, determine whether there is a deviation, and provide correction instructions to the feedback control module.

[0038] (5) Feedback control module: accepts instructions from the data processing and analysis unit, adjusts the motion control system according to the analysis results, and ensures that the laser irradiation device moves on the correct trajectory.

[0039] 2. Laser irradiation device and motion control system

[0040] During implementation, the laser irradiation device, through a precise control system (e.g., servo motors and drives), can move along the X, Y, and Z axes and adjust the irradiation position according to a predetermined trajectory. The laser irradiation device and the motion control system are synchronized through a real-time feedback mechanism. The system can be configured with different types of lasers, such as CO2 lasers or fiber lasers, depending on the material and size of the workpiece. The motion control system, based on a trajectory planning algorithm, drives the laser head along the specified path by adjusting the motor.

[0041] 3. Trajectory detection unit

[0042] The trajectory detection unit consists of a laser sensor and a high-resolution camera. The laser sensor uses the principle of laser reflection to sense the precise position of the laser irradiation device in real time and feeds this data back to the data processing and analysis unit. The high-resolution camera captures real-time images of the laser irradiation device and uses image processing techniques to analyze whether the irradiation trajectory deviates from the predetermined path. The laser sensor can accurately measure the distance between the laser irradiation device and the workpiece surface, thereby further inferring the device's motion state and position. The camera captures the irradiation path in real time during motion and transmits the captured image data to the data processing unit for processing.

[0043] 4. Data processing and analysis unit

[0044] The data processing and analysis unit is the core of the system, primarily responsible for analyzing data from the trajectory detection unit. This unit combines distance data from the laser sensor and image data from the camera to perform real-time trajectory deviation analysis and determine whether trajectory adjustments are necessary. Using a fusion algorithm, the data processing and analysis unit integrates the laser sensor and camera data to generate a precise model of the trajectory. If a trajectory deviation is detected, the system automatically calculates the correction direction and magnitude and sends correction instructions to the feedback control module via the communication interface.

[0045] 5. Feedback control module

[0046] After receiving correction instructions from the data processing and analysis unit, the feedback control module promptly adjusts the servo motor drivers in the motion control system to precisely control the motion trajectory of the laser irradiation device. This adjustment is real-time and automated, ensuring that the laser irradiation device always moves along the predetermined path. The feedback control module plays a crucial role in ensuring the accuracy of the laser quenching process and effectively eliminating trajectory deviations caused by factors such as mechanical wear and temperature changes.

[0047] 6. Adaptive algorithm module

[0048] This embodiment of the present invention also includes an adaptive algorithm module that adjusts the trajectory control strategy based on real-time workpiece characteristics and environmental changes for different workpiece types and laser irradiation conditions. This adaptive algorithm module can handle a variety of complex working conditions, making the system more adaptable and stable. When processing workpieces of different materials, the motion trajectory of the laser irradiation device may change. In this case, the adaptive algorithm adjusts the trajectory correction parameters to ensure that the laser quenching process still achieves the desired effect, even under different workpiece conditions.

[0049] 7. Error correction mechanism

[0050] A key feature of this invention is the error correction mechanism, which automatically initiates a correction process when the system detects trajectory deviation. Based on the discrepancy between the real-time trajectory data and the preset trajectory, the error correction mechanism generates correction instructions, which are executed by the feedback control module. If the system detects that the laser irradiation device has deviated from the predetermined trajectory, the error correction mechanism instructs the motion control system to adjust its position to ensure that the laser head returns to the correct position. This mechanism significantly improves the stability and quality of the quenching process, avoiding the errors and inconsistencies that can arise from manual adjustments.

Claims

1. A motion trajectory detection system for a laser quenching machine, characterized by: include: A laser irradiation device is used to irradiate the surface of a workpiece with a laser beam to achieve rapid heating of the metal surface, thereby achieving the required hardness of the metal surface; The motion control system ensures that the laser beam evenly irradiates the workpiece surface along a predetermined trajectory by precisely controlling the motion path of the laser irradiation device; A trajectory detection unit, comprising at least a plurality of high-precision sensors and an image acquisition device, for accurately monitoring the actual motion trajectory of the laser irradiation device in real time and providing feedback data; A data processing and analysis unit receives feedback data from the trajectory detection unit, analyzes the motion trajectory of the laser irradiation device in real time based on image processing technology and sensor data, determines the deviation between the actual trajectory and the predetermined trajectory, and calculates a correction strategy; The feedback control module adjusts the motion control system in real time according to the correction strategy calculated by the data processing and analysis unit to correct the trajectory of the laser irradiation device, thereby ensuring the accuracy and uniformity of the quenching process.

2. The motion trajectory detection system of a laser hardening machine according to claim 1, characterized in that: The track detection unit includes at least one laser sensor for capturing the position of the laser irradiation device in real time. The sensor performs position tracking based on the laser reflection principle, thereby providing higher positioning accuracy.

3. The motion trajectory detection system of a laser hardening machine according to claim 1, characterized in that: The image acquisition device is a high-resolution camera that can capture the motion trajectory in real time when the laser irradiation device moves, and perform image recognition and processing on the trajectory to ensure the accuracy and real-time nature of the trajectory data.

4. The motion trajectory detection system of a laser hardening machine according to claim 1, characterized in that: The data processing and analysis unit integrates and analyzes data from the image acquisition device and the sensor in real time through image processing technology and sensor data fusion technology, automatically calculates the deviation between the motion trajectory and the preset trajectory, and generates corresponding correction instructions to ensure the precise movement of the laser irradiation device.

5. The motion trajectory detection system of a laser hardening machine according to claim 1, characterized in that: The feedback control module accurately controls the motion trajectory of the laser irradiation device by adjusting the driving device in the motion control system in real time, including the motor, servo control system, etc., ensuring that the laser irradiation device moves according to the predetermined trajectory, thereby improving the quality of laser quenching.

6. The motion trajectory detection system of a laser hardening machine according to claim 1, characterized in that: The system further includes an error correction mechanism that can automatically correct the motion trajectory of the laser irradiation device when a trajectory error is detected, thereby avoiding uneven quenching quality caused by trajectory deviation and improving the reliability and consistency of laser quenching.

7. The motion trajectory detection system of a laser hardening machine according to claim 5, characterized in that: The motion control system includes a closed-loop control system, which automatically adjusts the position of the laser irradiation device by acquiring data from a trajectory detection unit in real time, ensuring that the laser irradiation path is highly consistent with the predetermined path, thereby making the quenching process more accurate and efficient.

8. The motion trajectory detection system of a laser hardening machine according to claim 4, characterized in that: The data processing and analysis unit includes an adaptive algorithm module that can adaptively adjust the analysis strategy according to different laser quenching task requirements, dynamically optimize the data processing process, and improve the adaptability and flexibility of the system in complex environments.

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