Self-adaptive feedback control ultrasonic machining system and control method thereof

Abstract

The invention relates to the technical field of machining, in particular to a self-adaptive feedback control ultrasonic machining system and a control method thereof.The self-adaptive feedback control ultrasonic machining system comprises a machining module, a monitoring module and a control module, the monitoring module comprises a power supply unit, a monitoring unit and a feedback unit, a workpiece is subjected to ultrasonic machining through the machining module, and a target workpiece is produced; the monitoring unit monitors the end face between the machining module and the workpiece in real time to obtain monitoring data, and the feedback unit sends the monitoring data to the control module for feedback. The control module analyzes end face run-out or roundness run-out parameters according to feedback data, obtains analysis data and adjusts machining parameters of the machining module on the basis of the analysis data. And the controller carries out self-adaption on the machining parameters according to the analysis result, so that the surface smoothness and the product quality of the machined workpiece are guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of mechanical processing, and in particular to an ultrasonic processing system with adaptive feedback control and a control method thereof. Background Art

[0002] Ultrasonic machining is a special machining process that uses ultrasonic frequency to vibrate a tool with a small amplitude, and uses the abrasive in the liquid between the tool and the workpiece to hammer the surface to be machined, so that the surface of the workpiece material is gradually broken. Ordinary ultrasonic machining processes products through liquid media, which is a special machining process with a small application range. It cannot be used in a wide range of cutting and grinding processes, and the ultrasonic machining machine tools are complex and expensive. Therefore, the rotary ultrasonic machining mode that combines ultrasonic machining with tool rotation has gradually been widely used.

[0003] At present, in order to adapt to rotary ultrasonic machining, ultrasonic toolholder assemblies that integrate vibration systems into ultrasonic tool bodies have emerged in existing tool assemblies. During machining, existing tool assemblies cannot measure the end face runout or roundness runout parameters of the tool in real time and make real-time adjustments, thus failing to ensure the surface flatness and product quality of the workpiece after machining. Summary of the invention

[0004] The purpose of the present invention is to provide an ultrasonic machining system with adaptive feedback control and a control method thereof, aiming to solve the problem that the existing ultrasonic machining system cannot measure and adjust the tool end face parameters in real time and cannot ensure the quality of the machined workpiece.

[0005] To achieve the above-mentioned object, in a first aspect, the present invention provides an ultrasonic machining system with adaptive feedback control, comprising a machining module, a monitoring module and a control module, wherein the control module is respectively connected to the machining module and the monitoring module, the machining module is connected to the monitoring module, the monitoring module comprises a power supply unit, a monitoring unit and a feedback unit, the power supply unit is respectively connected to the monitoring unit and the feedback unit, and the feedback unit is connected to the monitoring unit;

[0006] The processing module is used for ultrasonic processing of the workpiece to produce the target workpiece;

[0007] The power supply unit is used to provide electrical energy to the feedback unit and the monitoring unit to ensure the normal operation of the feedback unit and the monitoring unit;

[0008] The monitoring unit is used to monitor the end surface between the processing module and the workpiece in real time to obtain monitoring data;

[0009] The feedback unit is used to receive the monitoring data and feed the monitoring data back to the control module;

[0010] The control module analyzes end face runout or roundness runout parameters to obtain analysis data based on the data fed back by the feedback unit, and adjusts the processing parameters based on the analysis data.

[0011] Wherein, the feedback unit includes a receiving subunit and a feedback subunit, and the receiving subunit is connected to the feedback subunit;

[0012] The receiving subunit is used to receive the monitoring data of the monitoring unit and obtain receiving information;

[0013] The feedback subunit is used to send the received information to the control module for feedback.

[0014] Wherein, the processing module includes a processing unit and a heat dissipation unit, and the processing unit is connected to the heat dissipation unit;

[0015] The processing unit is used to perform cutting, grinding and drilling on the workpiece to produce the target workpiece;

[0016] The heat dissipation unit is used to dissipate heat from the processing unit.

[0017] Wherein, the processing unit comprises a fixed subunit and a processing subunit, and the fixed subunit is connected to the processing subunit;

[0018] The fixing subunit is used to fix and limit the workpiece to be processed;

[0019] The processing subunit is used to perform cutting, grinding and drilling on the fixed workpiece to produce the target workpiece.

[0020] Wherein, the control module includes a control unit and an adjustment unit, and the control unit is connected to the adjustment unit;

[0021] The control unit is used to control the operation of the processing module and the monitoring module;

[0022] The adjustment unit analyzes the end face runout or roundness runout parameters based on the data fed back by the feedback unit to obtain analysis data, and adjusts the processing parameters based on the analysis data.

[0023] Wherein, the control module further includes a storage unit and an emergency stop unit, the storage unit is connected to the adjustment unit, and the emergency stop unit is connected to the control unit;

[0024] The storage unit is used to store parameters used for processing the workpiece to obtain storage parameters;

[0025] The emergency stop unit is used for emergency stop operation when the processing module, the monitoring module and the control unit fail.

[0026] In a second aspect, the present invention further provides an ultrasonic machining control method with adaptive feedback control, comprising the following steps:

[0027] Perform ultrasonic processing on the workpiece through the processing module to produce the target workpiece;

[0028] The monitoring unit monitors the end surface between the processing module and the workpiece in real time to obtain monitoring data, and the feedback unit then sends the monitoring data to the control module for feedback;

[0029] The control module analyzes the end face runout or roundness runout parameters according to the feedback data, obtains the analysis data, and adjusts the processing parameters of the processing module based on the analysis data.

[0030] The present invention discloses an ultrasonic machining system with adaptive feedback control, in which the machining module is used to perform ultrasonic machining on the workpiece to produce the target workpiece; the monitoring unit is used to monitor the end face between the machining module and the workpiece in real time to obtain monitoring data, and the feedback unit is used to feed back the monitoring data to the control module; the control module is used to analyze the end face runout or roundness runout parameters according to the feedback data to obtain analysis data, and adjust the machining parameters of the machining module based on the analysis data. The system can monitor the workpiece and the tool in real time when the machine tool is ultrasonically machining the workpiece, and feed back the monitoring results to the controller for data analysis. The controller is used to adapt the machining parameters according to the analysis results to ensure the stability and efficiency of the machining process, thereby ensuring the surface flatness and product quality of the workpiece after machining, and solving the problem that the existing ultrasonic machining system cannot measure the tool end face parameters in real time and adjust them, and cannot ensure the quality of the machined workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 It is a connection diagram of an ultrasonic machining system with adaptive feedback control provided by the present invention.

[0033] Figure 2 It is a schematic diagram of a feedback unit of an ultrasonic machining system with adaptive feedback control provided by the present invention.

[0034] Figure 3 It is a schematic diagram of a processing module of an ultrasonic processing system with adaptive feedback control provided by the present invention.

[0035] Figure 4 It is a schematic diagram of a control module of an ultrasonic machining system with adaptive feedback control provided by the present invention.

[0036] Figure 5 The present invention provides a flow chart of an ultrasonic machining control method with adaptive feedback control.

[0037] In the figure: 1-processing module, 2-monitoring module, 3-control module, 4-power supply unit, 5-monitoring unit, 6-feedback unit, 7-receiving subunit, 8-feedback subunit, 9-processing unit, 10-heat dissipation unit, 11-fixing subunit, 12-processing subunit, 13-control unit, 14-adjusting unit, 15-storage unit, 16-emergency stop unit, 17-analysis subunit, 18-adjusting subunit, 19-warning subunit, 20-emergency stop subunit. DETAILED DESCRIPTION

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0039] See also Figures 1 to 4 In a first aspect, the present invention provides an ultrasonic machining system with adaptive feedback control, comprising a machining module 1, a monitoring module 2 and a control module 3, wherein the control module 3 is connected to the machining module 1 and the monitoring module 2 respectively, the machining module 1 is connected to the monitoring module 2, the monitoring module 2 comprises a power supply unit 4, a monitoring unit 5 and a feedback unit 6, the power supply unit 4 is connected to the monitoring unit 5 and the feedback unit 6 respectively, and the feedback unit 6 is connected to the monitoring unit 5;

[0040] The processing module 1 is used for ultrasonic processing of a workpiece to produce a target workpiece;

[0041] The power supply unit 4 is used to provide power to the feedback unit 6 and the monitoring unit 5 to ensure the normal operation of the feedback unit 6 and the monitoring unit 5;

[0042] The monitoring unit 5 is used to monitor the end surface between the processing module 1 and the workpiece in real time to obtain monitoring data;

[0043] The feedback unit 6 is used to receive the monitoring data and feed the monitoring data back to the control module 3;

[0044] The control module 3 analyzes the end face runout or roundness runout parameters to obtain analysis data based on the data fed back by the feedback unit 6 , and adjusts the processing parameters based on the analysis data.

[0045] In this embodiment, the workpiece is ultrasonically processed by the processing module 1 to produce a target workpiece; the monitoring unit 5 monitors the end face between the processing module 1 and the workpiece in real time to obtain monitoring data, and the feedback unit 6 then feeds back the monitoring data to the control module 3; the control module 3 analyzes the end face runout or roundness runout parameters according to the feedback data, obtains analysis data, and adjusts the processing parameters of the processing module 1 based on the analysis data. The system can monitor the workpiece and the tool in real time when the machine tool ultrasonically processes the workpiece, and feeds back the monitoring results to the controller for data analysis. The controller then adapts the processing parameters according to the analysis results to ensure the stability and efficiency of the processing process, thereby ensuring the surface flatness and product quality of the workpiece after processing, and solving the problem that the existing ultrasonic processing system cannot measure the tool end face parameters in real time and adjust them, and cannot guarantee the quality of the processed workpiece.

[0046] Further, the feedback unit 6 includes a receiving subunit 7 and a feedback subunit 8, and the receiving subunit 7 is connected to the feedback subunit 8;

[0047] The receiving subunit 7 is used to receive the monitoring data of the monitoring unit 5 and obtain receiving information;

[0048] The feedback subunit 8 is used to send the received information to the control module 3 for feedback.

[0049] In this embodiment, the receiving subunit 7 receives the monitoring data of the monitoring unit 5 in real time to obtain receiving information, and the feedback subunit 8 sends the receiving information to the control module 3 in real time for data feedback.

[0050] Further, the processing module 1 includes a processing unit 9 and a heat dissipation unit 10, and the processing unit 9 is connected to the heat dissipation unit 10; the processing unit 9 includes a fixed subunit 11 and a processing subunit 12, and the fixed subunit 11 is connected to the processing subunit 12;

[0051] The processing unit 9 is used to perform cutting, grinding and drilling on the workpiece to produce the target workpiece;

[0052] The heat dissipation unit 10 is used to dissipate heat from the processing unit 9;

[0053] The fixing subunit 11 is used to fix and limit the workpiece to be processed;

[0054] The processing subunit 12 is used to perform cutting, grinding and drilling on the fixed workpiece to produce the target workpiece.

[0055] In this embodiment, the workpiece is fixed and limited by the fixing subunit 11 of the processing unit 9. After the workpiece is fixed, it is cut, ground and drilled by the processing subunit 12 to produce the target workpiece. When the processing subunit 12 processes the workpiece, the processing unit 9 and the workpiece are cooled by the heat dissipation unit 10, thereby avoiding the phenomenon that a large amount of heat generated by friction of the tool affects the quality of the workpiece.

[0056] Further, the control module 3 includes a control unit 13 and an adjustment unit 14, and the control unit 13 is connected to the adjustment unit 14; the control module 3 also includes a storage unit 15 and an emergency stop unit 16, and the storage unit 15 is connected to the adjustment unit 14, and the emergency stop unit 16 is connected to the control unit 13;

[0057] The control unit 13 is used to control the operation of the processing module 1 and the monitoring module 2;

[0058] The adjustment unit 14 analyzes the end face runout or roundness runout parameters to obtain analysis data based on the data fed back by the feedback unit 6, and adjusts the processing parameters based on the analysis data;

[0059] The storage unit 15 is used to store parameters used for processing the workpiece to obtain storage parameters;

[0060] The emergency stop unit 16 is used for emergency stop operation when the processing module 1, the monitoring module 2 and the control unit 13 fail.

[0061] In this embodiment, the operation of the processing module 1 and the monitoring module 2 is controlled by the control unit 13; the adjustment unit 14 analyzes the end face runout or roundness runout parameters based on the data fed back by the feedback unit 6 to obtain analysis data, and adjusts the processing parameters based on the analysis data; the storage unit 15 stores the parameters used for processing the workpiece to obtain stored parameters; when the processing module 1, the monitoring module 2 and the control unit 13 fail, an emergency stop operation is performed through the emergency stop unit 16 to avoid further damage to the system equipment and increase the loss of the enterprise.

[0062] Further, the regulating unit 14 includes an analyzing subunit 17 and a regulating subunit 18, and the analyzing subunit 17 and the regulating subunit 18 are connected;

[0063] The analysis subunit 17 analyzes the end face runout or roundness runout parameters based on the data fed back by the feedback unit 6 to obtain analysis data;

[0064] The regulating subunit 18 retrieves the stored parameters based on the analysis data, and adaptively regulates the processing module 1 according to the stored parameters.

[0065] In this embodiment, the analysis subunit 17 analyzes the end face runout or roundness runout parameters according to the data fed back by the feedback unit 6 to obtain analysis data. The adjustment subunit 18 retrieves the stored parameters based on the analysis data and adaptively adjusts the processing parameters of the processing module 1 according to the stored parameters.

[0066] Further, the emergency stop unit 16 includes an early warning subunit 19 and an emergency stop subunit 20, and the early warning subunit 19 is connected to the emergency stop subunit 20;

[0067] The early warning subunit 19 is used for early warning when the processing module 1, the monitoring module 2 and the control unit 13 fail;

[0068] The emergency stop subunit 20 is used to perform an emergency stop when the processing module 1, the monitoring module 2 and the control unit 13 fail, thereby stopping the production of the workpiece.

[0069] In this embodiment, when the processing module 1, the monitoring module 2 and the control unit 13 fail, an alarm warning is issued by the early warning subunit 19. At the same time, the emergency stop subunit 20 urgently stops the operation of the processing module 1, the monitoring module 2 and the control unit 13, stops the production of workpieces, avoids further damage to system equipment, and increases the losses of the enterprise.

[0070] See also Figure 5 In a second aspect, the present invention further provides an ultrasonic machining control method with adaptive feedback control, comprising the following steps:

[0071] S1 performs ultrasonic processing on the workpiece through processing module 1 to produce the target workpiece;

[0072] Specifically, the workpiece is fixed and limited by the fixing subunit 11 of the processing unit 9. After the workpiece is fixed, the processing subunit 12 is used to cut, grind and drill holes to produce the target workpiece. When the processing subunit 12 processes the workpiece, the processing unit 9 and the workpiece are cooled by the heat dissipation unit 10, thereby avoiding the phenomenon that a large amount of heat generated by friction of the tool affects the quality of the workpiece.

[0073] S2 The monitoring unit 5 monitors the end surface between the processing module 1 and the workpiece in real time to obtain monitoring data, and the feedback unit 6 then sends the monitoring data to the control module 3 for feedback;

[0074] Specifically, the monitoring unit 5 monitors the end face between the processing module 1 and the workpiece in real time to obtain monitoring data, the receiving subunit 7 receives the monitoring data of the monitoring unit 5 in real time to obtain receiving information, and the feedback subunit 8 sends the receiving information to the control module 3 in real time for data feedback.

[0075] S3: the control module 3 analyzes the end face runout or roundness runout parameters according to the feedback data, obtains the analysis data, and adjusts the processing parameters of the processing module 1 based on the analysis data.

[0076] Specifically, the control unit 13 controls the operation of the processing module 1 and the monitoring module 2; the adjustment unit 14 analyzes the end face runout or roundness runout parameters to obtain analysis data based on the data fed back by the feedback unit 6, and adjusts the processing parameters based on the analysis data.

[0077] The above disclosure is only a preferred embodiment of an ultrasonic machining system with adaptive feedback control and a control method thereof of the present invention. Of course, this cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. An ultrasonic machining system with adaptive feedback control, characterized in that: It includes a processing module, a monitoring module and a control module, wherein the control module is connected to the processing module and the monitoring module respectively, the processing module is connected to the monitoring module, the monitoring module includes a power supply unit, a monitoring unit and a feedback unit, the power supply unit is connected to the monitoring unit and the feedback unit respectively, and the feedback unit is connected to the monitoring unit; The processing module is used for ultrasonic processing of the workpiece to produce the target workpiece; The power supply unit is used to provide electrical energy to the feedback unit and the monitoring unit to ensure the normal operation of the feedback unit and the monitoring unit; The monitoring unit is used to monitor the end surface between the processing module and the workpiece in real time to obtain monitoring data; The feedback unit is used to receive the monitoring data and feed the monitoring data back to the control module; The control module analyzes end face runout or roundness runout parameters to obtain analysis data based on the data fed back by the feedback unit, and adjusts the processing parameters based on the analysis data.

2. The ultrasonic machining system with adaptive feedback control according to claim 1, characterized in that: The feedback unit comprises a receiving subunit and a feedback subunit, and the receiving subunit is connected to the feedback subunit; The receiving subunit is used to receive the monitoring data of the monitoring unit and obtain receiving information; The feedback subunit is used to send the received information to the control module for feedback.

3. The ultrasonic machining system with adaptive feedback control according to claim 1, characterized in that: The processing module includes a processing unit and a heat dissipation unit, and the processing unit is connected to the heat dissipation unit; The processing unit is used to perform cutting, grinding and drilling on the workpiece to produce the target workpiece; The heat dissipation unit is used to dissipate heat from the processing unit.

4. The ultrasonic machining system with adaptive feedback control as claimed in claim 3, characterized in that: The processing unit comprises a fixed subunit and a processing subunit, and the fixed subunit is connected to the processing subunit; The fixing subunit is used to fix and limit the workpiece to be processed; The processing subunit is used to perform cutting, grinding and drilling on the fixed workpiece to produce the target workpiece.

5. The ultrasonic machining system with adaptive feedback control according to claim 1, characterized in that: The control module includes a control unit and an adjustment unit, and the control unit is connected to the adjustment unit; The control unit is used to control the operation of the processing module and the monitoring module; The adjustment unit analyzes the end face runout or roundness runout parameters based on the data fed back by the feedback unit to obtain analysis data, and adjusts the processing parameters based on the analysis data.

6. The ultrasonic machining system with adaptive feedback control as claimed in claim 5, characterized in that: The control module further includes a storage unit and an emergency stop unit, wherein the storage unit is connected to the adjustment unit, and the emergency stop unit is connected to the control unit; The storage unit is used to store parameters used for processing the workpiece to obtain storage parameters; The emergency stop unit is used for emergency stop operation when the processing module, the monitoring module and the control unit fail.

7. An ultrasonic machining control method with adaptive feedback control, the ultrasonic machining system with adaptive feedback control as claimed in claim 1, characterized in that: The following steps are involved: Perform ultrasonic processing on the workpiece through the processing module to produce the target workpiece; The monitoring unit monitors the end surface between the processing module and the workpiece in real time to obtain monitoring data, and the feedback unit then sends the monitoring data to the control module for feedback; The control module analyzes the end face runout or roundness runout parameters according to the feedback data, obtains the analysis data, and adjusts the processing parameters of the processing module based on the analysis data.

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