CN215004271U - Electric spindle performance detection system - Google Patents
Electric spindle performance detection system Download PDFInfo
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- CN215004271U CN215004271U CN202121224462.3U CN202121224462U CN215004271U CN 215004271 U CN215004271 U CN 215004271U CN 202121224462 U CN202121224462 U CN 202121224462U CN 215004271 U CN215004271 U CN 215004271U
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Abstract
The application discloses electric main shaft performance detecting system specifically includes host computer, experiment platform, drive arrangement and determine module, be equipped with the frock that is used for installing electric main shaft on the experiment platform, drive arrangement installs on the experiment platform, drive arrangement's drive end be used for with electric main shaft's spindle drive connects, determine module with host computer communication connection, it is used for gathering the vibration signal of electric main shaft's shell transmits extremely the host computer, or/and gather sound signal, video image signal and transmission among the electric main shaft operation process extremely the host computer. The electric spindle performance detection system achieves evaluation and reliability prediction of the running condition of the electric spindle through analysis of the vibration signal or/and sound signal and video image signal by the upper computer, and achieves quality detection and control of the electric spindle.
Description
Technical Field
The application relates to the technical field of measurement, in particular to an electric spindle performance detection system.
Background
Numerical Control (CNC) machines are "machine tools" in the manufacturing industry, and as the manufacturing requirements continue to increase, CNC machines are increasingly used in the industry. The motorized spindle has the advantages of high precision, high rigidity, high rotating speed and the like, is a core component of a high-grade numerical control machine tool, and the performance and reliability of the motorized spindle directly influence the machining precision of the numerical control machine tool and the efficiency and cost of the production and machining process. The main factors influencing the rotation precision of the electric spindle include: spindle error, bearing error, radial unequal stiffness of the spindle system, and thermal deformation. The quality and the precision of the electric spindle are influenced to a certain extent due to factors such as processing materials, casting technology, temperature and pressure in the processing process of the electric spindle, and different products have certain difference, so that the quality control of the products is very unfavorable.
When an electric spindle product is delivered from a factory, a system for detecting the performance of the electric spindle is not disclosed at present.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a system to electric main shaft performance detection.
The utility model provides an electricity main shaft performance detecting system, includes host computer, experiment platform, drive arrangement and determine module, be equipped with the frock that is used for installing the electricity main shaft on the experiment platform, drive arrangement installs experiment platform is last, drive arrangement's drive end be used for with the spindle drive of electricity main shaft is connected, determine module with host computer communication connection, it is used for gathering the vibration signal of the shell of electricity main shaft and transmit extremely the host computer, or/and the collection sound signal, the video image signal of electricity main shaft operation in-process and transmit extremely the host computer.
Preferably, the detection component includes a vibration sensor used for collecting vibration signals of the housing of the electric spindle, the vibration sensor is installed on the housing of the electric spindle and electrically connected with a data acquisition card, the data acquisition card is in communication connection with an upper computer, or/and includes a sound imaging instrument for collecting sound signals and video image signals in the operation process of the electric spindle, and the sound imaging instrument is arranged on one side of the experiment platform and is in communication connection with the upper computer.
Preferably, the vibration sensor is a piezoelectric vibration sensor.
Preferably, the detection assembly is further used for collecting a temperature signal of the shell of the electric spindle and transmitting the temperature signal to the upper computer.
Preferably, the detection assembly further comprises a temperature sensor, and the temperature sensor is mounted on the housing of the electric spindle and electrically connected with the data acquisition card.
Preferably, the temperature sensor is a thermocouple.
Preferably, the driving device comprises a variable frequency motor and a transmission assembly, the variable frequency motor is mounted on the driving shaft of the experiment platform and is in transmission connection, and the power output end of the transmission assembly is in transmission connection with the spindle of the electric spindle.
Preferably, the transmission assembly comprises a belt and a belt wheel, the axial direction of the driving shaft of the variable frequency motor is parallel to the axial direction of the main shaft of the electric main shaft, the belt wheel is coaxially installed on the driving shaft of the variable frequency motor, and the belt is sleeved on the belt wheel and the main shaft of the electric main shaft and is tensioned.
Preferably, the driving device further comprises a frequency converter, and the frequency converter is electrically connected with the variable frequency motor.
The electric spindle performance detection system utilizes the detection component to acquire the vibration signal or/and the sound signal and the video image signal generated when the electric spindle operates, so that the evaluation and the reliability prediction of the operation condition of the electric spindle are realized, the quality detection and the control of the electric spindle are realized, the detection efficiency is high, and the electric spindle performance detection system has the advantages of convenience in operation and high intelligent degree.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric spindle performance detection system according to an embodiment of the present application;
FIG. 2 is a time domain waveform of a vibration signal according to an embodiment of the present application;
fig. 3 is a frequency domain waveform diagram of a vibration signal according to an embodiment of the present application.
The specific meanings of the reference numerals are:
1. an upper computer; 2. an experimental platform; 3. a drive device; 31. a variable frequency motor; 32. a transmission assembly; 33. a frequency converter; 4. a detection component; 41. a vibration sensor; 42. a data acquisition card; 43. a sound imaging instrument; 431. an industrial camera; 432. a microphone; 44. a temperature sensor; 5. and (5) assembling.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is 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 application and are not intended to limit the present application.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
Referring to fig. 1, providing an embodiment of this application, the electric main shaft performance detecting system that this embodiment discloses includes host computer 1, experiment platform 2, drive arrangement 3 and determine module 4, be equipped with the frock 5 that is used for installing the electric main shaft on the experiment platform 2, drive arrangement 3's drive end is used for with the spindle drive of electric main shaft connects, determine module 4 with host computer 1 communication connection, it is used for gathering the vibration signal of the shell of electric main shaft and transmit extremely host computer 1, or/and the collection sound signal, the video image signal of electric main shaft operation in-process and transmit extremely host computer 1.
The driving device 3 drives the spindle to rotate, and the detection assembly 4 collects vibration signals of a shell of the electric spindle or/and collects sound signals and video image signals in the running process of the electric spindle and transmits the sound signals and the video image signals to the upper computer 1.
The upper computer 1 is loaded with upper computer software, the upper computer software has functions of data visualization, data analysis, data storage, historical data query and the like, the upper computer software detects faults which can be generated in the operation process of a main shaft of the electric main shaft according to vibration signals and comprise abnormal characteristics such as unbalance, misalignment, poor lubrication, abrasion and the like, as shown in fig. 2-3, the analysis of the vibration signals of the electric main shaft can visualize and analyze the operation state parameters of the electric main shaft from different dimensions, data support is provided for state diagnosis and fault prediction of the electric main shaft, the transportability is high, and the control of the quality of the main shaft can be realized by repeatedly carrying out experiments on the electric main shaft.
The detection assembly 4 collects sound signals and video image signals in the running process of the electric spindle and transmits the sound signals and the video image signals to the upper computer, and the upper computer can quickly identify and position stable state, transient state and motion sound sources, know the positions and reasons of noise generated by electric spindle equipment and further position a fault source.
In the electric spindle performance detection system, the detection assembly 4 collects parameters of the electric spindle during operation, so that the evaluation and reliability prediction of the operation state of the electric spindle are realized, the quality detection of the electric spindle is realized, the detection efficiency is improved, and the electric spindle performance detection system has the advantages of convenience in operation and high intelligent degree.
Preferably, the detection component 4 is used for gathering the vibration sensor 41 of the vibration signal of the shell of electric main shaft, just the vibration sensor 41 is installed on the shell of electric main shaft and be connected with data acquisition card 42 electricity, data acquisition card 42 with host computer 1 communication connection, or including gathering sound signal, video image signal's the lip-rounding 43 of electric main shaft operation in-process, lip-rounding 43 sets up one side of experiment platform 2 and with host computer 1 communication connection.
In this embodiment, the detecting component 4 includes a vibration sensor 41, the data acquisition card 42 and an audio-visual device 43, the audio-visual device 43 and the data acquisition card 42 are respectively in communication connection with the upper computer 1 through ethernet, the audio-visual device 43 has an industrial camera 431 and microphones 432 distributed in an array, the microphones 432 are used for collecting mechanical noise generated in the rotation process of the spindle, and the industrial camera 431 is used for collecting video image signals of the spindle.
The acoustic imaging instrument 43 has a digital microphone with high sensitivity, can effectively measure sound field distribution, and is used for detecting mechanical noise generated in the rotation process of the main shaft so as to quickly identify and position a steady state sound source, a transient state sound source and a moving sound source.
The vibration sensor 41 is a piezoelectric IEPE type vibration sensor, and the vibration sensor 41 is mounted on the housing of the electric spindle through a magnetic seat, so that the mounting is convenient.
Specifically, the detection assembly 4 is further used for collecting a temperature signal of the shell of the electric spindle and transmitting the temperature signal to the upper computer 1.
Preferably, the detection assembly 4 further comprises a temperature sensor 44, wherein the temperature sensor 44 is mounted on the housing of the electric spindle and is electrically connected to the data acquisition card 42.
The data acquisition card 42 acquires the temperature signal of the electric spindle shell detected by the temperature sensor 44 and transmits the temperature signal to the upper computer 1.
The temperature sensor 44 is used for collecting the shell temperature of the electric spindle during operation so as to confirm the temperature condition of the electric spindle during operation.
Specifically, the temperature sensor 44 is a thermocouple.
Preferably, the driving device 3 comprises a variable frequency motor 31 and a transmission assembly 32, the variable frequency motor 31 is mounted on the driving shaft of the experiment platform and is in transmission connection, and the power output end of the transmission assembly 32 is in transmission connection with the spindle of the electric spindle.
The variable frequency motor 31 drives the spindle of the electric spindle to rotate through the transmission assembly 32, and the variable frequency motor 31 can drive the spindle of the electric spindle to rotate at different speeds, so that the running conditions of the electric spindle under different working conditions can be detected.
In this embodiment, the experiment platform 2 includes the mounting platform and fixes the frame construction of mounting platform upper end, the frock is installed on the frame construction, inverter motor 31 passes through the bolt and installs on the frame construction.
Specifically, the transmission assembly 32 includes a belt and a belt pulley, an axial direction of the driving shaft of the variable frequency motor 31 is parallel to an axial direction of the main shaft of the electric main shaft, the belt pulley is coaxially installed on the driving shaft of the variable frequency motor 31, and the belt is sleeved on the belt pulley and the main shaft of the electric main shaft and is tensioned.
The variable frequency motor 31 is connected with the belt wheel key, the belt is tensioned on the belt wheel and the main shaft of the electric main shaft, so that the installation and the disassembly are convenient, and the detection device is suitable for the detection of the electric main shafts with different specifications.
Preferably, the driving device 3 further comprises a frequency converter 33, and the frequency converter 33 is electrically connected with the variable frequency motor 31.
The staff can adjust the rotating speed of the variable frequency motor 31 through the frequency converter 33, and the device is suitable for detection of the electric spindles with different specifications.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (9)
1. The utility model provides an electricity main shaft performance detecting system, its characterized in that, includes host computer (1), experiment platform (2), drive arrangement (3) and determine module (4), be equipped with frock (5) that are used for installing the electricity main shaft on experiment platform (2), install drive arrangement (3) on experiment platform (2), the drive end of drive arrangement (3) be used for with the spindle drive of electricity main shaft connects, determine module (4) with host computer (1) communication connection, it is used for gathering the vibration signal of the shell of electricity main shaft and transmit extremely host computer (1), or and the collection sound signal, video image signal and the transmission extremely in the electricity main shaft operation process host computer (1).
2. The electric spindle performance detection system according to claim 1, wherein the detection assembly (4) comprises a vibration sensor (41) for collecting a vibration signal of a housing of the electric spindle, the vibration sensor (41) is installed on the housing of the electric spindle and electrically connected with a data acquisition card (42), the data acquisition card (42) is in communication connection with the upper computer (1), or/and comprises an acoustic imaging instrument (43) for collecting a sound signal and a video image signal in the operation process of the electric spindle, and the acoustic imaging instrument (43) is arranged on one side of the experiment platform (2) and is in communication connection with the upper computer (1).
3. Motorized spindle performance detection system according to claim 2, characterized in that the vibration sensor (41) is a piezoelectric vibration sensor.
4. Electric spindle performance detection system according to claim 2, characterized in that the detection assembly (4) is further configured to collect a temperature signal of the housing of the electric spindle and transmit the temperature signal to the upper computer (1).
5. Electric spindle performance detection system according to claim 4, characterized in that said detection assembly (4) further comprises a temperature sensor (44), said temperature sensor (44) being mounted on the housing of the electric spindle and being electrically connected to said data acquisition card (42).
6. Motorized spindle performance detection system according to claim 5, characterized in that the temperature sensor (44) is a thermocouple.
7. The electric spindle performance detection system according to any one of claims 1 to 6, characterized in that the driving device (3) comprises a variable frequency motor (31) and a transmission assembly (32), the variable frequency motor (31) is mounted on the driving shaft of the experiment platform and is in transmission connection, and the power output end of the transmission assembly (32) is in transmission connection with the spindle of the electric spindle.
8. The electric spindle performance detection system according to claim 7, wherein the transmission assembly (32) comprises a belt and a belt pulley, an axial direction of a driving shaft of the variable frequency motor (31) and an axial direction of a spindle of the electric spindle are parallel to each other, the belt pulley is coaxially installed on the driving shaft of the variable frequency motor (31), and the belt is sleeved on and tensioned on the belt pulley and the spindle of the electric spindle.
9. Motorized spindle performance detection system according to claim 7, characterized in that said drive means (3) further comprise a frequency converter (33), said frequency converter (33) being electrically connected to said variable frequency motor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121224462.3U CN215004271U (en) | 2021-06-02 | 2021-06-02 | Electric spindle performance detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121224462.3U CN215004271U (en) | 2021-06-02 | 2021-06-02 | Electric spindle performance detection system |
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| Publication Number | Publication Date |
|---|---|
| CN215004271U true CN215004271U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121224462.3U Active CN215004271U (en) | 2021-06-02 | 2021-06-02 | Electric spindle performance detection system |
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| CN (1) | CN215004271U (en) |
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2021
- 2021-06-02 CN CN202121224462.3U patent/CN215004271U/en active Active
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