Collision protection system of precision machining equipment

Abstract

The invention discloses a collision protection system for precision machining equipment, which comprises data acquisition and automatic threshold setting, and is characterized in that an intelligent collision shield system comprises the following steps: step 1, intelligent collision detection, step 2, data analysis and prediction, step 3, real-time alarm and shutdown, and step 4, remote monitoring and maintenance and vibration acquisition judgment. The vibration condition of the spindle is monitored in real time, an alarm is automatically given when the machine tool is abnormal in collision, the spindle precision is protected through cutter breakage, and shutdown control is provided when collision occurs. According to the collision protection system of the precision machining equipment, through accurate data collection and intelligent analysis, cooperation with rapid protection execution, completion of a data flow closed loop and providing of all-directional collision protection, tiny signs such as abnormal dynamic states and collision risks can be accurately captured, and according to an intelligent analysis result, preset protection measures are started, emergency shutdown is executed, and protection benefits are presented; the collision loss rate is obviously reduced, the downtime is shortened, the maintenance cost is reduced, and the operation safety is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-collision of precision machining equipment, and in particular to a collision protection system for precision machining equipment. Background Art

[0002] Precision machining equipment refers to a type of equipment used to process high-precision and high-difficulty workpieces. Precision machining equipment can ensure that the dimensional tolerance of parts is controlled within a smaller range, meet the high-precision requirements of high-end manufacturing, have reliable performance, and ensure product production quality.

[0003] However, in the prior art, precision machining equipment has the following deficiencies: 1. Tool breakage causes collision; tool wear may cause changes in cutting depth, thereby increasing collision risk; 2. Programming errors: causing the tool path to collide with the workpiece or fixture. Setting errors: Inaccurate installation of parts on the machine tool may cause unexpected collisions; 3. Operator negligence or lack of experience may cause a collision.

[0004] Therefore, we propose a collision protection system for precision machining equipment to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a collision protection system for precision machining equipment to solve the problems of collision caused by tool breakage proposed in the above background technology; tool wear may cause changes in cutting depth, thereby increasing the risk of collision; programming errors: cause the tool path to collide with the workpiece or fixture; setting errors: inaccurate installation of machine tool parts may cause accidental collisions; operator negligence or lack of experience may cause collisions.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a collision protection system for precision machining equipment, comprising collecting data and automatically setting a threshold; An intelligent collision shield system is also included, and the intelligent collision shield system includes the following steps: Step 1: Intelligent collision detection; Step 2: Data analysis and prediction; Step 3: Real-time alarm and shutdown; Step 4: Remote monitoring and maintenance; Vibration collection and judgment, real-time monitoring of the spindle vibration condition, automatic alarm when the machine tool collision is abnormal, and protect the spindle accuracy by tool breakage, and provide shutdown control when a collision occurs.

[0007] Preferably, the data is collected by multi-state real-time monitoring through G00 / 01 / handwheel operation, and the X / Y / Z vibration frequency in different modes is collected.

[0008] Preferably, the automatic threshold setting is based on the collected data and manual setting is also supported.

[0009] Preferably, the intelligent collision detection in step 1 refers to real-time monitoring of the machine tool operation status through high-precision sensors, immediate capture of collision signals, and effective prevention of collisions between the tool and the workpiece or the machine tool.

[0010] Preferably, in step 1, data collection is performed by installing a high-sensitivity sensor to monitor the main shaft position in real time and accurately capture subtle signs such as abnormal dynamics and collision risks.

[0011] Preferably, the data analysis and prediction in step 2 is to use advanced algorithms to perform high-speed and in-depth analysis through adaptive threshold algorithms and collision detection algorithms to predict potential risks; At the same time, the collected data is deeply analyzed to predict collision risks and provide operators with accurate decision support.

[0012] Preferably, the real-time alarm and shutdown in step three is that when signs of collision are detected, the system immediately triggers the alarm mechanism and automatically starts the emergency shutdown procedure to ensure the safety of equipment and personnel.

[0013] Preferably, the remote monitoring and maintenance in step 4 refers to integrating a remote monitoring function to achieve real-time monitoring and maintenance of the collision shield, reduce downtime, and improve equipment operation efficiency.

[0014] Compared with the existing technology, the beneficial effects of the present invention are as follows: the collision protection system of the precision machining equipment completes the data flow closed loop through accurate data collection and intelligent analysis, combined with rapid protection execution, and provides all-round collision protection. It can accurately capture subtle signs such as abnormal dynamics and collision risks, conduct intelligent analysis and decision-making, and perform high-speed and in-depth analysis through adaptive threshold algorithms and collision detection algorithms to predict potential risks and quickly execute protection. Based on the results of intelligent analysis, it activates preset protection measures and performs emergency shutdown, showing protection benefits, significantly reducing collision loss rate, reducing downtime, reducing maintenance costs, and improving operational safety. 1. The collision protection system of this precision machining equipment uses high-precision sensors to monitor the machine tool's operating status in real time, capture collision signals, and prevent collisions between the tool and the workpiece or machine tool. 2. The collision protection system of this precision machining equipment uses advanced algorithms combined with adaptive threshold algorithms and collision detection algorithms to perform high-speed and predict collision risks; 3. The collision protection system of this precision machining equipment detects and identifies signs of collision, immediately issues an alarm, and automatically initiates the emergency shutdown procedure; 4. The collision protection system of this precision machining equipment can monitor and maintain the collision shield in real time through the remote monitoring function, making the equipment more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the intelligent collision shield system of the present invention; Figure 2 This is a schematic diagram of the intelligent collision shield of the present invention being away from the collision shield; Figure 3 Schematic diagram of data collection and threshold setting of the present invention; Figure 4 This is a schematic diagram of the real-time vibration of the main shaft of the present invention. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] See also Figure 1-4 ,The present invention provides a technical solution: a collision protection system for precision machining equipment, including collecting data and automatically setting thresholds; An intelligent collision shield system is also included, and the intelligent collision shield system includes the following steps: Step 1: Intelligent collision detection; Step 2: Data analysis and prediction; Step 3: Real-time alarm and shutdown; Step 4: Remote monitoring and maintenance; Vibration collection and judgment, real-time monitoring of the spindle vibration condition, automatic alarm when the machine tool collision is abnormal, and protect the spindle accuracy by tool breakage, and provide shutdown control when a collision occurs.

[0018] Furthermore, the present invention collects data by multi-state real-time monitoring through G00 / 01 / handwheel operation, and collects X / Y / Z vibration frequencies in different modes.

[0019] Furthermore, the present invention automatically sets the threshold value based on the collected data and also supports manual setting.

[0020] Furthermore, the intelligent collision detection in step 1 of the present invention refers to real-time monitoring of the machine tool operation status through high-precision sensors, immediate capture of collision signals, and effective prevention of collisions between the tool and the workpiece or the machine tool.

[0021] Furthermore, the present invention collects data in step 1 by adding a high-sensitivity sensor to monitor the main shaft position in real time and accurately capture subtle signs such as abnormal dynamics and collision risks.

[0022] Furthermore, the data analysis and prediction in step 2 utilizes advanced algorithms to perform high-speed and in-depth analysis through adaptive threshold algorithms and collision detection algorithms to predict potential risks; At the same time, the collected data is deeply analyzed to predict collision risks and provide operators with accurate decision support.

[0023] Furthermore, the present invention provides real-time alarm and shutdown in step three. When a collision sign is detected, the system immediately triggers an alarm mechanism and automatically starts an emergency shutdown program to ensure the safety of equipment and personnel.

[0024] Furthermore, the present invention further provides that the remote monitoring and maintenance in step 4 refers to integrating a remote monitoring function to achieve real-time monitoring and maintenance of the collision shield, thereby reducing downtime and improving equipment operation efficiency.

[0025] In actual operation, if Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, first, through G00 / 01 / handwheel operation, multi-state real-time monitoring is implemented to collect X / Y / Z vibration frequencies in different modes. The threshold is not automatically set based on the collected data, and manual setting is also supported. Through the setting of the intelligent collision shield system, combined with the setting of the intelligent collision shield system, the machine tool operation status is monitored in real time through high-precision sensors, collision signals are captured immediately, and the vibration is collected and judged to monitor the spindle vibration status in real time. When the machine tool collision is abnormal, an automatic alarm is issued, and the spindle accuracy is protected by tool breakage. In addition, shutdown control is provided when a collision occurs. Through the adaptive threshold algorithm and collision detection algorithm, high-speed and in-depth analysis is carried out to predict potential risks. The collected data is deeply analyzed to predict collision risks and provide operators with accurate decision support. Real-time alarm and shutdown means that when signs of collision are detected, the system immediately triggers the alarm mechanism and automatically starts the emergency shutdown procedure to ensure the safety of equipment and personnel. Finally, remote monitoring and maintenance refers to the integration of remote monitoring functions to achieve real-time monitoring and maintenance of the collision shield, reduce downtime, and improve equipment operation efficiency. The system has been verified by data; The following table is the experimental data table of the collision protection system of precision machining equipment: Table 1

[0026] Table 2

[0027] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A collision protection system for precision machining equipment, including data collection and automatic threshold setting; It is characterized by: An intelligent collision shield system is also included, and the intelligent collision shield system includes the following steps: Step 1: Intelligent collision detection; Step 2: Data analysis and prediction; Step 3: Real-time alarm and shutdown; Step 4: Remote monitoring and maintenance; Vibration collection and judgment, real-time monitoring of the spindle vibration condition, automatic alarm when the machine tool collision is abnormal, and protect the spindle accuracy by tool breakage, and provide shutdown control when a collision occurs.

2. The collision protection system for precision machining equipment according to claim 1, characterized in that: The data is collected through multi-state real-time monitoring of G00 / 01 / handwheel operation, and the X / Y / Z vibration frequency in different modes is collected.

3. The collision protection system for precision machining equipment according to claim 1, characterized in that: Automatic threshold setting is based on the collected data and supports manual setting.

4. The collision protection system for precision machining equipment according to claim 1, characterized in that: In step one, intelligent collision detection refers to real-time monitoring of the machine tool's operating status through high-precision sensors, instant capture of collision signals, and effective prevention of collisions between the tool and the workpiece or machine tool.

5. The collision protection system for precision machining equipment according to claim 4, characterized in that: In step one, data collection is performed by installing a high-sensitivity sensor to monitor the spindle position in real time and accurately capture subtle signs such as abnormal dynamics and collision risks.

6. The collision protection system for precision machining equipment according to claim 1, characterized in that: The data analysis and prediction in step 2 uses advanced algorithms to conduct high-speed and in-depth analysis through adaptive threshold algorithms and collision detection algorithms to predict potential risks; At the same time, the collected data is deeply analyzed to predict collision risks and provide operators with accurate decision support.

7. The collision protection system for precision machining equipment according to claim 1, characterized in that: In step three, the real-time alarm and shutdown means that when signs of collision are detected, the system immediately triggers the alarm mechanism and automatically starts the emergency shutdown procedure to ensure the safety of equipment and personnel.

8. The collision protection system for precision machining equipment according to claim 1, characterized in that: Remote monitoring and maintenance in step 4 refers to integrating remote monitoring functions to achieve real-time monitoring and maintenance of the collision shield, reduce downtime, and improve equipment operation efficiency.

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