Composite power head detection system of numerical control machine tool

Abstract

A numerical control machine tool composite power head detection system disclosed by the present invention comprises a sensor module, a data acquisition module and an analysis processing module, the sensor module comprises a vibration sensor, a temperature sensor, a current sensor and a displacement sensor, and each sensor detects a composite power head of a numerical control machine tool. Therefore, corresponding preliminary detection data are obtained; the data acquisition module acquires corresponding preliminary detection data through the corresponding data acquisition channel, generates corresponding formal detection data after signal acquisition and processing, and transmits the formal detection data to the analysis and processing module. According to the detection system for the composite power head of the numerical control machine tool, linkage is carried out through the sensor module, the data acquisition module and the analysis processing module, so that real-time, comprehensive and accurate detection of the composite power head is achieved, potential faults are found in time, and the machining precision and reliability of the numerical control machine tool are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of power head detection, and in particular relates to a detection system for a composite power head of a numerically controlled machine tool. Background Art

[0002] As key equipment in modern manufacturing, the performance and precision of CNC machine tools directly affect product quality and production efficiency. The compound power head is an important component of CNC machine tools, integrating multiple processing functions such as milling, drilling, boring, etc. However, during the long-term operation of the compound power head, due to mechanical wear, thermal deformation, electrical failure and other factors, its performance will gradually decline, resulting in reduced processing accuracy and even equipment failure.

[0003] At present, the detection of CNC machine tool compound power heads is mostly done by manual regular detection or simple sensor monitoring. Manual detection is inefficient and subjective, and it is difficult to accurately obtain the operating status of the compound power head in real time; while simple sensor monitoring can only detect a single parameter and cannot fully reflect the comprehensive performance of the compound power head.

[0004] Therefore, further improvements are made to the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a CNC machine tool composite power head detection system, which is linked by a sensor module, a data acquisition module and an analysis and processing module to achieve real-time, comprehensive and accurate detection of the composite power head, timely discover potential faults, and improve the processing accuracy and reliability of the CNC machine tool.

[0006] To achieve the above objectives, the present invention provides a CNC machine tool composite power head detection system for detecting the composite power head of a CNC machine tool, comprising a sensor module, a data acquisition module and an analysis and processing module, wherein:

[0007] The sensor module includes a vibration sensor, a temperature sensor, a current sensor and a displacement sensor, each of which detects the composite power head of the CNC machine tool respectively, thereby obtaining corresponding preliminary detection data;

[0008] The data acquisition module obtains corresponding preliminary detection data through the corresponding data acquisition channel, generates corresponding formal detection data after signal acquisition processing (such as analog-to-digital conversion, etc.), and transmits the formal detection data to the analysis and processing module;

[0009] The analysis and processing module transmits the obtained formal detection data to the analysis model, and performs a first analysis and a second analysis, respectively, so as to evaluate the composite power head of the CNC machine tool from a unidirectional aspect and a comprehensive aspect.

[0010] As a further preferred technical solution of the above technical solution, for the sensor module, wherein:

[0011] The vibration sensor is used to detect the vibration signal of the composite power head during operation. The frequency and amplitude parameters of the vibration are analyzed by the analysis and processing module at a later stage to determine whether the mechanical parts of the power head are worn or loose, and the vibration sensor obtains corresponding vibration detection data;

[0012] The temperature sensor is used to monitor the temperature of key parts of the composite power head in real time to prevent damage due to overheating, and the temperature sensor obtains corresponding temperature detection data;

[0013] The current sensor is used to detect the working current of the motor corresponding to the composite power head, reflecting the load condition and operating state of the motor, and the current sensor obtains corresponding current detection data;

[0014] The displacement sensor is used to measure the axial and radial displacements of the composite power head and to evaluate the motion accuracy later. The displacement sensor obtains corresponding displacement detection data.

[0015] As a further preferred technical solution of the above technical solution, for the first analysis and processing of the analysis and processing module, wherein:

[0016] The analysis model analyzes the vibration detection data to determine whether it is within the preset vibration range. If it is, it outputs unidirectional vibration qualified information, otherwise it outputs unidirectional vibration fault information;

[0017] The analysis model analyzes the temperature detection data to determine whether it is within the preset temperature range. If it is, it outputs unidirectional temperature qualified information, otherwise it outputs unidirectional temperature fault information;

[0018] The analysis model analyzes the current detection data to determine whether it is within the preset current range. If it is, it outputs unidirectional current qualified information, otherwise it outputs unidirectional current fault information;

[0019] The analysis model analyzes the displacement detection data to determine whether it is within the preset displacement range. If it is, it outputs unidirectional displacement qualified information, otherwise it outputs unidirectional displacement fault information (the first analysis is performed from the unidirectional perspective of each detection data. If any detection data does not meet the corresponding preset range, it indicates a fault and requires maintenance).

[0020] As a further preferred technical solution of the above technical solution, for the second analysis and processing of the analysis and processing module, periodic detection is performed on the basis that the vibration detection data, the temperature detection data, the current detection data and the displacement detection data are all within the corresponding preset ranges, wherein:

[0021] The analysis model analyzes the vibration detection data, determines the difference between the current data and the upper limit of the preset vibration range, scores according to the difference and obtains a first score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0022] The analysis model analyzes the temperature detection data, determines the difference between the current data and the upper limit of the preset temperature range, scores according to the difference and obtains a second score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0023] The analysis model analyzes the current detection data, determines the difference between the current data and the upper limit of the preset current range, scores according to the difference and obtains a third score (the lower the difference, the closer it is to the upper limit, and the greater the probability of a fault);

[0024] The analysis model analyzes the displacement detection data, determines the difference between the current data and the upper limit of the preset displacement range, scores according to the difference and obtains a fourth score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0025] The analysis model coordinates the first score, the second score, the third score and the fourth score to obtain a comprehensive total score, and compares it with the preset total score. If the preset total score is reached, comprehensive qualified information is output, otherwise comprehensive fault information is output (the second analysis processing is performed when each test data is within the corresponding preset range. If each test data is within the preset range but is at the critical value, then under multiple critical values, there is a certain risk that the power head will continue to operate, so a comprehensive evaluation is performed).

[0026] As a further preferred technical solution of the above technical solution, it also includes a human-computer interaction module, which is used to display the operating status, evaluation results and fault alarm information of the composite power head in the form of a graphical interface, and to set detection parameters and query historical detection data to achieve convenient operation and management of the detection system.

[0027] The beneficial effects of the present invention are:

[0028] 1. Real-time monitoring: It can obtain various operating parameters of the compound power head in real time, discover potential faults in time, and avoid production interruptions caused by sudden equipment failures.

[0029] 2. Comprehensive testing: A variety of sensors are used to conduct comprehensive testing of the mechanical, electrical, thermal and other aspects of the compound power head to accurately evaluate its performance status.

[0030] 3. Improve precision: By timely discovering and solving faults, the movement accuracy of the compound power head is ensured, thereby improving the processing accuracy of CNC machine tools and improving product quality.

[0031] 4. Intelligent diagnosis: The fault diagnosis model of the data analysis and processing module has intelligent analysis capabilities, which can quickly and accurately locate faults, provide effective maintenance guidance for maintenance personnel, and shorten maintenance time. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0033] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the present invention defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the present invention.

[0034] In the preferred embodiment of the present invention, those skilled in the art should note that the compound power head for CNC machine tools and the like involved in the present invention can be regarded as prior art.

[0035] Preferred embodiments.

[0036] like Figure 1 As shown, the present invention discloses a CNC machine tool composite power head detection system, which is used to detect the composite power head of the CNC machine tool, including a sensor module, a data acquisition module and an analysis and processing module, wherein:

[0037] The sensor module includes a vibration sensor, a temperature sensor, a current sensor and a displacement sensor, each of which detects the composite power head of the CNC machine tool respectively, thereby obtaining corresponding preliminary detection data;

[0038] The data acquisition module obtains corresponding preliminary detection data through the corresponding data acquisition channel, generates corresponding formal detection data after signal acquisition processing (such as analog-to-digital conversion, etc.), and transmits the formal detection data to the analysis and processing module;

[0039] The analysis and processing module transmits the obtained formal detection data to the analysis model, and performs a first analysis and a second analysis, respectively, so as to evaluate the composite power head of the CNC machine tool from a unidirectional aspect and a comprehensive aspect.

[0040] Specifically, for the sensor module, wherein:

[0041] The vibration sensor is used to detect the vibration signal of the composite power head during operation. The frequency and amplitude parameters of the vibration are analyzed by the analysis and processing module at a later stage to determine whether the mechanical parts of the power head are worn or loose, and the vibration sensor obtains corresponding vibration detection data;

[0042] The temperature sensor is used to monitor the temperature of key parts of the composite power head in real time to prevent damage due to overheating, and the temperature sensor obtains corresponding temperature detection data;

[0043] The current sensor is used to detect the working current of the motor corresponding to the composite power head, reflecting the load condition and operating state of the motor, and the current sensor obtains corresponding current detection data;

[0044] The displacement sensor is used to measure the axial and radial displacements of the composite power head and to evaluate the motion accuracy later. The displacement sensor obtains corresponding displacement detection data.

[0045] More specifically, for the first analysis process of the analysis process module, wherein:

[0046] The analysis model analyzes the vibration detection data to determine whether it is within the preset vibration range. If it is, it outputs unidirectional vibration qualified information, otherwise it outputs unidirectional vibration fault information;

[0047] The analysis model analyzes the temperature detection data to determine whether it is within the preset temperature range. If it is, it outputs unidirectional temperature qualified information, otherwise it outputs unidirectional temperature fault information;

[0048] The analysis model analyzes the current detection data to determine whether it is within the preset current range. If it is, it outputs unidirectional current qualified information, otherwise it outputs unidirectional current fault information;

[0049] The analysis model analyzes the displacement detection data to determine whether it is within the preset displacement range. If it is, it outputs unidirectional displacement qualified information, otherwise it outputs unidirectional displacement fault information (the first analysis is performed from the unidirectional perspective of each detection data. If any detection data does not meet the corresponding preset range, it indicates a fault and requires maintenance).

[0050] Furthermore, for the second analysis and processing of the analysis and processing module, periodic detection is performed on the basis that the vibration detection data, the temperature detection data, the current detection data and the displacement detection data are all within the corresponding preset ranges, wherein:

[0051] The analysis model analyzes the vibration detection data, determines the difference between the current data and the upper limit of the preset vibration range, scores according to the difference and obtains a first score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0052] The analysis model analyzes the temperature detection data, determines the difference between the current data and the upper limit of the preset temperature range, scores according to the difference and obtains a second score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0053] The analysis model analyzes the current detection data, determines the difference between the current data and the upper limit of the preset current range, scores according to the difference and obtains a third score (the lower the difference, the closer it is to the upper limit, and the greater the probability of a fault);

[0054] The analysis model analyzes the displacement detection data, determines the difference between the current data and the upper limit of the preset displacement range, scores according to the difference and obtains a fourth score (the lower the difference, the closer it is to the upper limit, and the greater the probability of failure);

[0055] The analysis model coordinates the first score, the second score, the third score and the fourth score to obtain a comprehensive total score, and compares it with the preset total score. If the preset total score is reached, comprehensive qualified information is output, otherwise comprehensive fault information is output (the second analysis processing is performed when each test data is within the corresponding preset range. If each test data is within the preset range but is at the critical value, then under multiple critical values, there is a certain risk that the power head will continue to operate, so a comprehensive evaluation is performed).

[0056] Furthermore, it also includes a human-computer interaction module, which is used to display the operating status, evaluation results and fault alarm information of the composite power head in the form of a graphical interface, and to set detection parameters and query historical detection data to achieve convenient operation and management of the detection system.

[0057] It is worth mentioning that the technical features such as the compound power head for CNC machine tools involved in the patent application of this invention should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the inventive point of the patent of this invention. The patent of this invention will not be further elaborated.

[0058] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A CNC machine tool composite power head detection system, used for detecting the composite power head of a CNC machine tool, characterized in that: It includes sensor module, data acquisition module and analysis and processing module, among which: The sensor module includes a vibration sensor, a temperature sensor, a current sensor and a displacement sensor, each of which detects the composite power head of the CNC machine tool respectively, thereby obtaining corresponding preliminary detection data; The data acquisition module obtains corresponding preliminary detection data through the corresponding data acquisition channel, generates corresponding formal detection data after signal acquisition processing, and transmits the formal detection data to the analysis and processing module; The analysis and processing module transmits the obtained formal detection data to the analysis model, and performs a first analysis and a second analysis, respectively, so as to evaluate the composite power head of the CNC machine tool from a unidirectional aspect and a comprehensive aspect.

2. A CNC machine tool compound power head detection system according to claim 1, characterized in that: For the sensor module, wherein: The vibration sensor is used to detect the vibration signal of the composite power head during operation. The frequency and amplitude parameters of the vibration are analyzed by the analysis and processing module at a later stage to determine whether the mechanical parts of the power head are worn or loose, and the vibration sensor obtains corresponding vibration detection data; The temperature sensor is used to monitor the temperature of key parts of the composite power head in real time to prevent damage due to overheating, and the temperature sensor obtains corresponding temperature detection data; The current sensor is used to detect the working current of the motor corresponding to the composite power head, reflecting the load condition and operating state of the motor, and the current sensor obtains corresponding current detection data; The displacement sensor is used to measure the axial and radial displacements of the composite power head and to evaluate the motion accuracy later. The displacement sensor obtains corresponding displacement detection data.

3. A CNC machine tool compound power head detection system according to claim 2, characterized in that: For the first analysis and processing of the analysis and processing module, wherein: The analysis model analyzes the vibration detection data to determine whether it is within the preset vibration range. If it is, it outputs unidirectional vibration qualified information, otherwise it outputs unidirectional vibration fault information; The analysis model analyzes the temperature detection data to determine whether it is within the preset temperature range. If it is, it outputs unidirectional temperature qualified information, otherwise it outputs unidirectional temperature fault information; The analysis model analyzes the current detection data to determine whether it is within the preset current range. If it is, it outputs unidirectional current qualified information, otherwise it outputs unidirectional current fault information; The analysis model analyzes the displacement detection data to determine whether it is within the preset displacement range. If it is, it outputs unidirectional displacement qualified information, otherwise it outputs unidirectional displacement fault information.

4. A CNC machine tool compound power head detection system according to claim 3, characterized in that: For the second analysis and processing of the analysis and processing module, periodic detection is performed on the basis that the vibration detection data, the temperature detection data, the current detection data and the displacement detection data are all within the corresponding preset ranges, wherein: The analysis model analyzes the vibration detection data, determines the difference between the current data and the upper limit of the preset vibration range, scores according to the difference and obtains a first score; The analysis model analyzes the temperature detection data, determines the difference between the current data and the upper limit of the preset temperature range, scores according to the difference and obtains a second score; The analysis model analyzes the current detection data, determines the difference between the current data and the upper limit of the preset current range, scores according to the difference and obtains a third score; The analysis model analyzes the displacement detection data, determines the difference between the current data and the upper limit of the preset displacement range, scores according to the difference and obtains a fourth score; The analysis model coordinates the first score, the second score, the third score and the fourth score to obtain a comprehensive total score, and compares it with a preset total score. If the preset total score is reached, comprehensive qualified information is output, otherwise comprehensive fault information is output.

5. A CNC machine tool compound power head detection system according to claim 4, characterized in that: It also includes a human-computer interaction module, which is used to display the operating status, evaluation results and fault alarm information of the composite power head in the form of a graphical interface, and to set detection parameters and query historical detection data to achieve convenient operation and management of the detection system.

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