CN117032082A - Clamping control system and clamping method for precision manufacturing - Google Patents
Clamping control system and clamping method for precision manufacturing Download PDFInfo
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- CN117032082A CN117032082A CN202310879534.5A CN202310879534A CN117032082A CN 117032082 A CN117032082 A CN 117032082A CN 202310879534 A CN202310879534 A CN 202310879534A CN 117032082 A CN117032082 A CN 117032082A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000003754 machining Methods 0.000 claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000006386 memory function Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31082—NDDS network data delivery service, producers and consumers model
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Mechanical Engineering (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The application discloses a clamping control system and a clamping method for precision manufacturing, wherein the system comprises a data input module, a clamping control module and a clamping control module, wherein the data input module is used for determining clamping control data according to the shape of a workpiece; the data processing module is used for processing the clamping control data and executing data calling operation; the control module is used for controlling and outputting a first clamping force corresponding to the clamping control data according to the clamping control data; and the communication module is used for sending and receiving signals and establishing communication connection between the data processing module and the numerical control machine tool. According to the application, the clamping force can be dynamically adjusted in real time according to the state conversion condition of the workpiece and the clamping control data corresponding to the state of the workpiece in the machining process of the numerical control machine tool, the clamping force control device has a memory function, and the corresponding clamping control data can be directly called for clamping operation on the same type of workpiece with the determined clamping control data, so that the production and machining efficiency and the machining quality are greatly improved. The application is widely applied to the technical field of industrial manufacturing.
Description
Technical Field
The application relates to the technical field of industrial manufacturing, in particular to a clamping control system and a clamping method for precision manufacturing.
Background
In the precision machining process, when the material removal rate of the workpiece after rough machining is high, the workpiece is clamped and deformed due to the excessive clamping force when the clamping force of the workpiece before rough machining is maintained, so that the problem of poor machining precision is caused.
Therefore, clamping systems are very popular for use in precision manufacturing, especially in cutting machining, precision assembly processes. Currently, most clamping systems often use a static clamping force control. This can be a major problem, in that it is necessary to stop the machine tool or the assembly line and then adjust the clamping force of the clamping system, which is inefficient; secondly, no method is available for well achieving the purposes of little or no humanization in the production process, and the cost is too high.
Disclosure of Invention
In view of the technical drawbacks of the related art, an embodiment of the present application provides a clamping control system for precision manufacturing.
A first aspect of an embodiment of the present application proposes a clamping control system for precision manufacturing, the system comprising:
the data input module is used for determining clamping control data according to the shape of the workpiece;
the data processing module is used for processing the clamping control data and executing data calling operation;
the control module is used for controlling and outputting a first clamping force corresponding to the clamping control data according to the clamping control data; the first clamping force is a clamping force during execution of the clamping operation;
the data monitoring module is used for monitoring whether the first clamping force and the first clamping working position meet preset requirements or not and monitoring whether a workpiece is clamped or not when the clamping operation is executed; the first clamping working position is a real-time clamping position of the workpiece in the process of executing the clamping operation;
and the communication module is used for sending and receiving signals and establishing communication connection between the data processing module and the numerical control machine tool.
In some embodiments, the system further comprises:
the driving module is used for generating a driving signal according to a preset second clamping working position and driving the clamping module; the second clamping working position is a working position for clamping a workpiece, which is designated by the clamping module and preset in advance in the process of executing the clamping operation;
the clamping module is used for receiving the driving signal and executing clamping operation according to the first clamping force.
In some embodiments, the communication module is configured to receive first signal data, and transmit the first signal data to the data processing module; the first signal data is a pre-completion signal of the numerical control machine tool sent by the numerical control machine tool.
In some embodiments, the clamp control data includes first input data and second input data; the first input data is a pre-finishing signal of a pre-input numerical control machine tool according to the shape of a workpiece; the second input data is a clamping force value corresponding to the first input data; the data input module is also used for responding to data input operation and acquiring corresponding first input data and second input data according to the workpiece shape; the data input module comprises a storage module; the storage module is used for storing the first input data and the second input data.
In some embodiments, the data processing module includes a calling module; the calling module is used for reading the first input data and the second input data stored in the storage module, matching the first signal data with the first input data and determining the second input data corresponding to the first signal data.
In some embodiments, the control module is configured to control and adjust the magnitude of the first clamping force according to the second input data.
In some embodiments, when the data monitoring module monitors that the first clamping working position does not meet the preset requirement, the data monitoring module is configured to send an early warning signal, and the driving module is configured to generate a driving signal to re-drive the clamping module to the second clamping working position, and continue to perform the clamping operation.
In some embodiments, when the data monitoring module monitors that the first clamping force does not meet the preset requirement, the data monitoring module is configured to send an early warning signal, and the control module is configured to adjust the first clamping force to meet the preset requirement according to the second input data, and continue to perform the clamping operation.
In some embodiments, the communication module is configured to establish a communication connection between the clamping module and a numerically-controlled machine tool; the communication module is also used for acquiring the running state information and the processing completion signal of the numerical control machine tool and sending the processing signal to the numerical control machine tool.
A second aspect of an embodiment of the present application provides a method for clamping a workpiece, including the steps of:
according to the shape of the workpiece, performing data input operation, and determining and storing clamping control data; the clamping control data comprise a first numerical control machine tool pre-completion signal and a corresponding first clamping force value;
receiving a second numerical control machine tool pre-completion signal, matching the first numerical control machine tool pre-completion signal with the second numerical control machine tool pre-completion signal, and determining the first clamping force value corresponding to the second numerical control machine tool pre-completion signal; the second numerical control machine tool pre-finishing signal is a workpiece pre-finishing signal sent by a numerical control machine tool;
according to the first clamping force value, controlling and outputting a first clamping force, generating a driving signal, clamping a workpiece to a second clamping working position and executing clamping operation; the second clamping working position is a position for clamping a workpiece, which is preset when the clamping operation is performed;
monitoring whether the first clamping force and the first clamping working position meet preset requirements or not, and monitoring whether a workpiece is clamped or not in the clamping operation executing process; the first clamping force is a clamping force when clamping operation is performed; the first clamping working position is a real-time clamping position for clamping the workpiece when the clamping operation is performed;
when the first clamping force is monitored to be not in accordance with the preset requirement, sending an early warning signal and stopping the operation of the numerical control machine tool, and adjusting the first clamping force according to the first clamping force value until the first clamping force is in accordance with the preset requirement, and continuing to execute the clamping operation;
when the first clamping working position is monitored to be not in accordance with a preset requirement or the workpiece is not clamped in the process of executing the clamping operation, sending an early warning signal and stopping the operation of the numerical control machine tool, generating a driving signal, re-clamping the workpiece to the second clamping working position, and continuing to execute the clamping operation;
and when the machining completion signal of the numerical control machine tool is received, ending the clamping operation.
The application provides a clamping control system and a clamping method for precision manufacturing, which are characterized in that clamping control data are determined according to the shape of a workpiece through a data input module, the clamping control data are processed through a data processing module, data calling operation is executed, the clamping force is dynamically controlled and output through a control module, signals are received and transmitted through a communication module, and communication connection between a digital processing module and a numerical control machine tool is established. According to the application, the clamping force can be dynamically adjusted in real time according to the state conversion condition of the workpiece and the clamping control data corresponding to the state of the workpiece in the machining process of the numerical control machine tool, the clamping force control device has a memory function, and the corresponding clamping control data can be directly called for clamping operation on the same type of workpiece with the determined clamping control data, so that the production and machining efficiency and the machining quality are greatly improved.
Drawings
FIG. 1 is a schematic block diagram of a clamp control system for precision manufacturing according to an embodiment of the present application;
fig. 2 is a flowchart of a method for clamping a workpiece according to an embodiment of the application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing embodiments of the application only and is not intended to be limiting of the application.
Referring to fig. 1, fig. 1 is an alternative block diagram of a clamping control system for precision manufacturing according to an embodiment of the present application, the clamping control system comprising:
the data input module is used for determining clamping control data according to the shape of the workpiece;
the data processing module is used for processing the clamping control data and executing data calling operation;
the control module is used for controlling and outputting a first clamping force corresponding to the clamping control data according to the clamping control data;
the data monitoring module is used for monitoring whether the first clamping force and the first clamping working position meet preset requirements or not and monitoring whether a workpiece is clamped or not when the clamping operation is executed;
the communication module is used for sending and receiving signals and establishing communication connection between the data processing module and the numerical control machine tool.
The first clamping force is a clamping force during the clamping operation; the first clamping operating position is a real-time clamping position of the workpiece during the clamping operation.
In some embodiments, the clamping control data includes first input data and second input data; the first input data is a pre-finishing signal of the numerical control machine tool which is pre-input according to the shape of the workpiece; the second input data is a clamping force value corresponding to the first input data; the data input module is also used for responding to data input operation and acquiring corresponding first input data and second input data according to the shape of the workpiece; the data input module comprises a storage module; the storage module is used for storing the first input data and the second input data.
In some embodiments, the clamping control system further comprises:
the driving module is used for generating a driving signal according to a preset second clamping working position and driving the clamping module;
and the clamping module is used for receiving the driving signal and executing clamping operation according to the first clamping force.
The second clamping working position is a working position for clamping the workpiece, which is designated by a clamping module and preset in advance in the process of executing the clamping operation.
In some embodiments, the communication module is configured to receive the first signal data, and transmit the first signal data to the data processing module; the first signal data is a pre-completion signal of the numerical control machine tool sent by the numerical control machine tool, specifically, the numerical control machine tool runs a machining program until the program signal is converted into a pre-completion section program signal, the numerical control machine tool sends a pre-completion signal (first signal data) of the numerical control machine tool corresponding to the pre-completion section program signal to the communication module, and the communication module transmits the pre-completion signal (first signal data) of the numerical control machine tool to the data processing module.
In some embodiments, the data processing module includes a calling module; the calling module is used for reading the first input data and the second input data stored in the storage module, matching the first signal data with the first input data, determining the second input data corresponding to the first signal data, specifically, receiving a first numerical control machine pre-completion signal (first signal data) sent by a numerical control machine, matching the first numerical control machine pre-completion signal (first signal data) with a second numerical control machine pre-completion signal (first input data) stored in the storage module, determining a second numerical control machine pre-completion signal (first input data) identical to the first numerical control machine pre-completion signal (first signal data) in the storage module, and calling a clamping force value (second input data) corresponding to the numerical control machine pre-completion signal (first input data) of a corresponding machined workpiece.
In some embodiments, the communication module is further configured to obtain operation state information of the nc machine and send a processing signal to the nc machine, and in particular, the communication module obtains operation state information of the nc machine, for example, whether the nc machine is in an idle state or is in an operation state; when the clamping operation is continuously executed, the communication module sends a processing signal to the numerical control machine tool, the numerical control machine tool continues to execute the processing program of the workpiece after receiving the processing signal until the processing program is finished, the numerical control machine tool sends a processing completion signal to the communication module, the communication module responds to the processing completion signal after receiving the processing completion signal, and the clamping operation is finished.
In some embodiments, the control module is configured to determine, according to the determined second input data, that the value of the first clamping force is the same as the second input data, and control to output the first clamping force within the tolerance range, where the control module may control to output the first clamping force in a plurality of control manners, where the control manners include, but are not limited to, control current, control voltage, control air pressure, and control hydraulic pressure. After the first clamping force is controlled to be output, the control module is further used for adjusting the first clamping force to enable the first clamping force to meet the preset requirement, and the second input data is 5kN, the error allowable range is 0.02kN, the first clamping force is controlled to be output, and the value of the first clamping force is kept in the range of 4.98 kN-5.02 kN.
In some embodiments, the data monitoring module always monitors whether the working position (the real-time clamping position of the workpiece) and the clamping force of the clamping module meet the preset requirements when the clamping operation is performed, and when the working position or the clamping force is not met, an early warning signal is sent, and meanwhile, the clamping control system is requested to adjust the working position or the clamping force of the clamping module until the working position or the clamping force meets the preset requirements (reaching the specified working position and obtaining the specified clamping force), and the clamping module continues to perform the clamping operation.
Optionally, when the data monitoring module monitors that the first clamping working position does not meet the preset requirement, the data monitoring module is used for sending out an early warning signal, the driving module is used for generating a driving signal, and the clamping module is driven to the second clamping working position again to continue to execute the clamping operation; when the data monitoring module monitors that the first clamping force does not meet the preset requirement, the data monitoring module is used for sending an early warning signal, and the control module is used for adjusting the first clamping force to meet the preset requirement according to the second input data, and continuing to execute the clamping operation.
The embodiment of the application also provides a clamping method for the workpiece, which corresponds to the working method of the clamping control system.
Referring to fig. 2, fig. 2 is an alternative flowchart of a method for clamping a workpiece according to an embodiment of the application, where the method may include, but is not limited to, steps S101 to S107:
step S101, according to the shape of the workpiece, performing data input operation, and determining and storing clamping control data; the clamping control data comprise a first numerical control machine tool pre-completion signal and a corresponding first clamping force value;
step S102, receiving a second numerical control machine tool pre-completion signal, matching the first numerical control machine tool pre-completion signal with the second numerical control machine tool pre-completion signal, and determining a first clamping force value corresponding to the second numerical control machine tool pre-completion signal; the second numerical control machine tool pre-finishing signal is a workpiece pre-finishing signal sent by the numerical control machine tool;
step S103, controlling and outputting a first clamping force according to the first clamping force value, generating a driving signal, clamping the workpiece to a second clamping working position and executing clamping operation; the second clamping working position is a position for clamping the workpiece, which is preset when the clamping operation is performed;
step S104, monitoring whether the first clamping force and the first clamping working position meet preset requirements or not, and monitoring whether a workpiece is clamped or not in the process of executing the clamping operation or not; the first clamping force is a clamping force when a clamping operation is performed; the first clamping working position is a real-time clamping position for clamping the workpiece when the clamping operation is performed;
step S105, when the first clamping force is monitored to be not in accordance with the preset requirement, sending an early warning signal and stopping the operation of the numerical control machine tool, and adjusting the first clamping force according to the first clamping force value until the first clamping force is in accordance with the preset requirement, and continuing to execute the clamping operation;
step S106, when the first clamping working position is not in accordance with the preset requirement or the workpiece is not clamped in the clamping operation executing process, sending out an early warning signal and stopping the operation of the numerical control machine tool, generating a driving signal, clamping the workpiece to the second clamping working position again, and continuing to execute the clamping operation;
step S107, when a numerical control machine tool machining completion signal is received, the clamping operation is ended.
In an application scenario of precision machining of a workpiece, the process of performing clamping control by combining the clamping control system and the clamping method is as follows:
inputting and correlating values of clamping forces at different stages of workpieces to be processed and a numerical control machine pre-completion signal code number, such as a numerical control machine pre-completion signal G1, in a user input interface provided by a data input module of a clamping control system, wherein the corresponding clamping force value is 10kN; g2 is 5kN;
in the machining process of the numerical control machine tool, the numerical control machine tool can send out a numerical control machine tool pre-completion signal according to the progress of the machining process.
When the clamping control system receives the pre-completion signal of the numerical control machine tool, if the clamping control system receives the pre-completion signal G1 of the numerical control machine tool, starting a corresponding clamping force value of 10kN;
the clamping control system adjusts the clamping force through the control module, and simultaneously monitors whether the clamping module is actually clamping a workpiece or not, and synchronously monitors whether the actual clamping force reaches 10kN, if the actual clamping force exceeds the error allowable value preset by the clamping control system, such as 0.02kN, an early warning signal is sent out and the operation of the numerical control machine tool is stopped, and the clamping force is readjusted according to the preset clamping force value of 10kN until the actual clamping force reaches the target value; if the data monitoring module monitors that the clamping module does not reach the preset clamping working position, sending out early warning and stopping the operation of the numerical control machine tool, and controlling the clamping module to reach the preset clamping working position again to execute clamping operation; based on this, a closed loop control of the clamp control system may be formed.
When the clamping operation of the clamping control system is continuously executed, the clamping control system sends a machining signal to the numerical control machine tool when the workpiece is in a continuously clamped state, the numerical control machine tool continues to execute the machining procedure after receiving the machining signal, when the machining procedure is completed, the numerical control machine tool sends a machining completion signal to the clamping control system, the clamping control system ends the clamping operation, namely, the clamping module loosens the clamped workpiece, meanwhile, the communication module sends a machining completion signal to the robot, and after the robot receives the machining completion signal, the clamped workpiece is taken away and put into the next workpiece to be machined into the numerical control machine tool.
The clamping control system and the clamping method for precision manufacturing provided by the embodiment of the application are characterized in that clamping control data are determined according to the shape of a workpiece through a data input module, the clamping control data are processed through a data processing module, data calling operation is executed, the clamping force is dynamically controlled and output through a control module, signals are received and transmitted through a communication module, and communication connection between a digital processing module and a numerical control machine tool is established. According to the application, the clamping force can be dynamically adjusted in real time according to the state conversion condition of the workpiece and the clamping control data corresponding to the state of the workpiece in the machining process of the numerical control machine tool, the clamping force control device has a memory function, and the corresponding clamping control data can be directly called for clamping operation on the same type of workpiece with the determined clamping control data, so that the production and machining efficiency and the machining quality are greatly improved.
The embodiments described in the embodiments of the present application are for more clearly describing the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application, and those skilled in the art can know that, with the evolution of technology and the appearance of new application scenarios, the technical solutions provided by the embodiments of the present application are equally applicable to similar technical problems.
It will be appreciated by persons skilled in the art that the embodiments of the application are not limited by the illustrations, and that more or fewer steps than those shown may be included, or certain steps may be combined, or different steps may be included.
Alternative embodiments of the present application have been described above with reference to the accompanying drawings, and are not thereby limiting the scope of the claims of embodiments of the present application. Any modifications, equivalent substitutions and improvements made by those skilled in the art without departing from the scope and spirit of the embodiments of the present application shall fall within the scope of the claims of the embodiments of the present application.
Claims (10)
1. A clamp control system for precision manufacturing, comprising:
the data input module is used for determining clamping control data according to the shape of the workpiece;
the data processing module is used for processing the clamping control data and executing data calling operation;
the control module is used for controlling and outputting a first clamping force corresponding to the clamping control data according to the clamping control data; the first clamping force is a clamping force during execution of the clamping operation;
the data monitoring module is used for monitoring whether the first clamping force and the first clamping working position meet preset requirements or not and monitoring whether a workpiece is clamped or not when the clamping operation is executed; the first clamping working position is a real-time clamping position of the workpiece in the process of executing the clamping operation;
and the communication module is used for sending and receiving signals and establishing communication connection between the data processing module and the numerical control machine tool.
2. The clamp control system of claim 1, wherein the system further comprises:
the driving module is used for generating a driving signal according to a preset second clamping working position and driving the clamping module; the second clamping working position is a working position for clamping a workpiece, which is designated by the clamping module and preset in advance in the process of executing the clamping operation;
the clamping module is used for receiving the driving signal and executing clamping operation according to the first clamping force.
3. The clamp control system of claim 1, wherein the communication module is configured to receive first signal data and transmit the first signal data to the data processing module; the first signal data is a pre-completion signal of the numerical control machine tool sent by the numerical control machine tool.
4. The clamp control system of claim 1, wherein the clamp control data comprises first input data and second input data; the first input data is a pre-finishing signal of a pre-input numerical control machine tool according to the shape of a workpiece; the second input data is a clamping force value corresponding to the first input data; the data input module is also used for responding to data input operation and acquiring corresponding first input data and second input data according to the workpiece shape; the data input module comprises a storage module; the storage module is used for storing the first input data and the second input data.
5. The clamp control system of claim 4, wherein the data processing module comprises a calling module; the calling module is used for reading the first input data and the second input data stored in the storage module, matching the first signal data with the first input data and determining the second input data corresponding to the first signal data.
6. The clamp control system of claim 5, wherein the control module is configured to control and adjust the magnitude of the first clamp force based on the second input data.
7. The clamping control system according to claim 2, wherein when the data monitoring module monitors that the first clamping working position does not meet a preset requirement, the data monitoring module is configured to send an early warning signal, and the driving module is configured to generate a driving signal to re-drive the clamping module to the second clamping working position, and continue to perform the clamping operation.
8. The clamping control system according to claim 5, wherein when the data monitoring module monitors that the first clamping force does not meet a preset requirement, the data monitoring module is configured to send an early warning signal, and the control module is configured to adjust the first clamping force to meet the preset requirement according to the second input data, and continue to perform the clamping operation.
9. The clamp control system of claim 2, wherein the communication module is configured to establish a communication connection between the clamp module and a numerically controlled machine tool; the communication module is also used for acquiring the running state information and the processing completion signal of the numerical control machine tool and sending the processing signal to the numerical control machine tool.
10. A method of clamping a workpiece, comprising:
according to the shape of the workpiece, performing data input operation, and determining and storing clamping control data; the clamping control data comprise a first numerical control machine tool pre-completion signal and a corresponding first clamping force value;
receiving a second numerical control machine tool pre-completion signal, matching the first numerical control machine tool pre-completion signal with the second numerical control machine tool pre-completion signal, and determining the first clamping force value corresponding to the second numerical control machine tool pre-completion signal; the second numerical control machine tool pre-finishing signal is a workpiece pre-finishing signal sent by a numerical control machine tool;
according to the first clamping force value, controlling and outputting a first clamping force, generating a driving signal, clamping a workpiece to a second clamping working position and executing clamping operation; the second clamping working position is a position for clamping a workpiece, which is preset when the clamping operation is performed;
monitoring whether the first clamping force and the first clamping working position meet preset requirements or not, and monitoring whether a workpiece is clamped or not in the clamping operation executing process; the first clamping force is a clamping force when clamping operation is performed; the first clamping working position is a real-time clamping position for clamping the workpiece when the clamping operation is performed;
when the first clamping force is monitored to be not in accordance with the preset requirement, sending an early warning signal and stopping the operation of the numerical control machine tool, and adjusting the first clamping force according to the first clamping force value until the first clamping force is in accordance with the preset requirement, and continuing to execute the clamping operation;
when the first clamping working position is monitored to be not in accordance with a preset requirement or the workpiece is not clamped in the process of executing the clamping operation, sending an early warning signal and stopping the operation of the numerical control machine tool, generating a driving signal, re-clamping the workpiece to the second clamping working position, and continuing to execute the clamping operation;
and when the machining completion signal of the numerical control machine tool is received, ending the clamping operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879534.5A CN117032082B (en) | 2023-07-17 | 2023-07-17 | Clamping control system and clamping method for precision manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310879534.5A CN117032082B (en) | 2023-07-17 | 2023-07-17 | Clamping control system and clamping method for precision manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117032082A true CN117032082A (en) | 2023-11-10 |
| CN117032082B CN117032082B (en) | 2024-08-20 |
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| CN202310879534.5A Active CN117032082B (en) | 2023-07-17 | 2023-07-17 | Clamping control system and clamping method for precision manufacturing |
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