CN212846480U - Self-correcting synchronous vibration device - Google Patents
Self-correcting synchronous vibration device Download PDFInfo
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- CN212846480U CN212846480U CN202022176794.0U CN202022176794U CN212846480U CN 212846480 U CN212846480 U CN 212846480U CN 202022176794 U CN202022176794 U CN 202022176794U CN 212846480 U CN212846480 U CN 212846480U
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Abstract
The utility model relates to a self-correcting synchronous vibrating device, real-time detection shaking table dynamic characteristic for whole device self-interacting and be in the most high-efficient vibration state, and in time warn when obvious trouble appears in the shaking table and shut down. The self-correcting synchronous vibration device comprises a vibration table, a servo motor, a servo driver, an acceleration sensor, an alarm and a PLC (programmable logic controller), wherein the PLC processes dynamic parameters acquired by analysis and sends an alarm instruction to the alarm or sends a correction instruction to the servo driver, when the actual dynamic parameters of the vibration table exceed the maximum allowable self-adaptive deviation, the alarm instruction is output, when the actual dynamic parameters of the vibration table are within the excitation force balance deviation, the vibration table is in the optimal vibration state, the PLC is waited to send vibration signals to change the offset angle of the eccentric block, and if the actual dynamic parameters exceed the excitation force balance deviation, the servo driver is controlled to finely adjust the offset angle of the eccentric block until the actual dynamic parameters are within the excitation force balance deviation.
Description
Technical Field
The utility model relates to a self-correcting synchronous vibration device.
Background
The vibrating table has wide application, for example, the vibrating table is used in a block forming machine and can drive a supporting plate and a mold frame which are placed on the block forming machine to vibrate up and down, so that materials in the mold frame are compactly formed into blocks. And is also suitable for other machines needing vibration operation or vibration test. The existing vibrating table confirms the original point in a mechanical bolt mode, has high requirements on machining precision, and the punching deviation can directly cause the eccentric wheel to be scrapped, and the problem is not easy to find out after the eccentric wheel is worn and corroded. Therefore, it is necessary to develop a self-correcting synchronous vibration device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-correcting synchronous vibrating device, real-time detection shaking table dynamic characteristic for whole device self-interacting and be in the most high-efficient vibration state, and in time warn when obvious trouble appears in the shaking table and shut down, in order to avoid batch product problem and product quality accident.
In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:
a self-correcting synchronous vibration device comprising:
the vibration table is used for bearing equipment to be vibrated;
the servo motors are respectively provided with eccentric blocks which are in contact fit with the bottom of the vibration table and used for generating exciting force on the vibration table;
the servo driver is connected with the corresponding servo motor and is used for controlling the relative offset angle and the rotating speed of the corresponding servo motor;
the acceleration sensor is respectively and correspondingly arranged at each monitoring point of the vibration table and is used for acquiring dynamic parameters of each monitoring point;
the alarm is used for prompting that the vibrating table has a fault;
the PLC controller is electrically connected with the alarm and the acceleration sensor and is in communication connection with the servo driver, and the PLC controller processes dynamic parameters acquired by analysis and sends an alarm instruction to the alarm or sends a correction instruction to the servo driver.
Preferably, each servo motor is internally provided with a servo encoder, and the PLC controller directly reads a torque feedback value of the servo encoder.
Preferably, the PLC controller adopts Siemens S7-1500, the servo motor adopts a servo motor KHZ97CM112M/BR/HR/TF/RH1L/KK, and the servo driver adopts an Ethernet book type servo driver 6SL3120-1TE23-0AD 0.
Preferably, the acceleration sensor is a western horse acceleration sensor and is provided with an 8-channel 16-bit data acquisition module.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses vibrating device includes the PLC controller, install the acceleration sensor on each monitoring point of shaking table, servo driver reaches and shaking table complex servo motor, adopt whole closed loop motion control, it is quick to reach the carousel, it is steady, accurate positioning control's requirement, make whole device be in the self-interacting, make exciting force distribute completely in perpendicular to shaking table direction, and production horizontal component as little as possible, make the shaking table be in the most efficient vibration state, simultaneously in process of production real-time detection shaking table dynamic characteristic, in time warn when obvious trouble appears in the shaking table and shut down, thereby let operating personnel in time overhaul, in order to avoid batch product problem and product quality accident.
Drawings
Fig. 1 is a block diagram of the self-correcting synchronous vibration device of the present invention.
The labels in the figure are: 10. a vibration table; 20. a servo motor; 30. a servo driver; 40. a PLC controller; 51. an acceleration sensor; 52. an alarm.
Detailed Description
In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The noun explains: the actual dynamic parameters are time domain and frequency domain signals fed back by an acceleration sensor on the vibration table; the maximum allowable adaptive deviation is a deviation threshold value which allows the servo driver to intervene for fine adjustment; and considering that the vibration table reaches a balanced state within the balance deviation of the exciting force, and finishing zero point correction.
As shown in fig. 1, the present embodiment provides a self-correcting synchronous vibration device, which includes a vibration table 10 for carrying a device to be vibrated, a servo motor 20, a servo driver 30, an acceleration sensor 51, an alarm 52 for prompting a fault of the vibration table 10, and a PLC controller 40, wherein the servo motor 20 is respectively provided with an eccentric block which is in contact fit with the bottom of the vibration table 10 and is used for generating an exciting force to the vibration table 10; the servo driver 30 is connected with the corresponding servo motor 20 and is used for controlling the relative offset angle and the rotating speed of the corresponding servo motor 20; the acceleration sensors 51 are respectively correspondingly installed at each monitoring point of the vibration table 10 and used for acquiring dynamic parameters of each monitoring point; the PLC controller 40 is electrically connected with the alarm 52 and the acceleration sensor 51 and is in communication connection with the servo driver 30 through a Profinet protocol so as to realize seamless connection of data interaction, the connection mode is a conventional technology, the Profinet communication technology is efficient, stable and reliable, numerical values are transmitted in real time, and real-time monitoring data of the whole position is guaranteed to be faster.
In this embodiment, the PLC controller 40 processes, analyzes and acquires dynamic parameters, and sends an alarm instruction to the alarm 52 or sends a correction instruction to the servo driver 30, specifically: and when the actual dynamic parameters of the vibrating table exceed the maximum allowable self-adaptive deviation, outputting an alarm indication, when the actual dynamic parameters of the vibrating table are within the excitation force balance deviation, indicating that the vibrating table 10 is in the optimal vibration state, waiting for the PLC 40 to send a vibration signal to change the offset angle of the eccentric block, and if the actual dynamic parameters exceed the excitation force balance deviation, controlling the servo driver 30 to finely adjust the offset angle of the eccentric block until the actual dynamic parameters are within the excitation force balance deviation.
In the present embodiment, each servo motor 20 has a built-in servo encoder, and the PLC controller 40 directly reads the torque feedback value of the servo encoder, without the PLC controller 40 processing the servo encoder value, and the PLC controller 40 directly acquires the encoder value from the servo drive through Profinet.
In this embodiment, the servo driver 30 adopts an ethernet book-type servo driver 6SL3120-1TE23-0AD0, and compared with a conventional servo driver, the book-type servo driver is energy-saving and consumption-reducing, reduces wiring in a control cabinet, and reduces system fault points, and the system operation meets real-time control requirements. The PLC controller 40 adopts Siemens S7-1500, the servo motor 20 adopts a servo motor KHZ97CM112M/BR/HR/TF/RH1L/KK, and the servo control can realize quick and accurate positioning, is energy-saving and environment-friendly.
The acceleration sensor 51 adopts a western horse acceleration sensor and is provided with an 8-channel 16-bit data acquisition module, so that data acquisition is more efficient and detection is more accurate, and the synchronous coordination of 8-channel detection time domains can reach the level of 10 microseconds.
The utility model discloses PLC controller 40 obtains single servo motor 20's moment of torsion feedback value through the real-time numerical acquisition to servo encoder, adopt acceleration sensor 51 to carry out dynamic monitoring to shaking table 10, calculate through the edge and draw the time domain, frequency domain characteristic curve, through the vibration amplitude to each monitoring position of platform that reachs to the quadratic integral of acceleration, can calculate the relative phase deviation of each monitoring point through the amplitude curve to each monitoring point, and then control servo driver 30 and adjust corresponding servo motor 20's relative bias angle and rotational speed, thereby make shaking table 10 within exciting force balance deviation. The utility model discloses carry out whole closed loop motion control, it is quick to reach the carousel, it is steady, accurate positioning control's requirement, make whole device be in the self-adjustment, make exciting force distribute in the perpendicular to shaking table direction completely, and production horizontal component as little as possible, make shaking table 10 be in the most efficient vibration state, real-time detection shaking table 10 dynamic characteristic in process of production simultaneously, in time warn when obvious trouble appears in shaking table 10 and shut down, thereby let operating personnel in time overhaul, in order to avoid batch product problem and product quality accident.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (6)
1. Self-correcting synchronous vibration device, its characterized in that: the method comprises the following steps:
the vibration table is used for bearing equipment to be vibrated;
the servo motors are respectively provided with eccentric blocks which are in contact fit with the bottom of the vibration table and used for generating exciting force on the vibration table;
the servo driver is connected with the corresponding servo motor and is used for controlling the relative offset angle and the rotating speed of the corresponding servo motor;
the acceleration sensor is respectively and correspondingly arranged at each monitoring point of the vibration table and is used for acquiring dynamic parameters of each monitoring point;
the alarm is used for prompting that the vibrating table has a fault;
the PLC controller is electrically connected with the alarm and the acceleration sensor and is in communication connection with the servo driver, and the PLC controller processes dynamic parameters acquired by analysis and sends an alarm instruction to the alarm or sends a correction instruction to the servo driver.
2. The self-correcting synchronous vibration device according to claim 1, wherein: a servo encoder is arranged in each servo motor, and a PLC (programmable logic controller) directly reads a torque feedback value of the servo encoder.
3. The self-correcting synchronous vibration device according to claim 1, wherein: the PLC controller adopts Siemens S7-1500.
4. The self-correcting synchronous vibration device according to claim 1, wherein: the servo motor adopts a servo motor KHZ97CM112M/BR/HR/TF/RH 1L/KK.
5. The self-correcting synchronous vibration device according to claim 1, wherein: the servo driver adopts an Ethernet book type servo driver 6SL3120-1TE23-0AD 0.
6. The self-correcting synchronous vibration device according to claim 1, wherein: the acceleration sensor adopts a western horse acceleration sensor and is provided with an 8-channel 16-bit data acquisition module.
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| CN202022176794.0U CN212846480U (en) | 2020-09-29 | 2020-09-29 | Self-correcting synchronous vibration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742995A (en) * | 2023-06-08 | 2023-09-12 | 海南行者新材料科技有限公司 | Intelligent control system of circular high-power excitation motor |
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2020
- 2020-09-29 CN CN202022176794.0U patent/CN212846480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742995A (en) * | 2023-06-08 | 2023-09-12 | 海南行者新材料科技有限公司 | Intelligent control system of circular high-power excitation motor |
| CN116742995B (en) * | 2023-06-08 | 2024-03-08 | 海南行者新材料科技有限公司 | Intelligent control system of circular high-power excitation motor |
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