CN118456024B - Intelligent monitoring system and method for numerical control machine tool - Google Patents
Intelligent monitoring system and method for numerical control machine tool Download PDFInfo
- Publication number
- CN118456024B CN118456024B CN202410532905.7A CN202410532905A CN118456024B CN 118456024 B CN118456024 B CN 118456024B CN 202410532905 A CN202410532905 A CN 202410532905A CN 118456024 B CN118456024 B CN 118456024B
- Authority
- CN
- China
- Prior art keywords
- motor
- workpiece
- rotating speed
- tool
- intelligent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims abstract description 110
- 238000012545 processing Methods 0.000 claims abstract description 78
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims description 76
- 238000005520 cutting process Methods 0.000 claims description 37
- 238000003801 milling Methods 0.000 claims description 17
- 238000007517 polishing process Methods 0.000 claims description 17
- 238000005498 polishing Methods 0.000 claims description 15
- 238000012937 correction Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 description 31
- 239000002131 composite material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/10—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting speed or number of revolutions
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/12—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring vibration
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automatic Control Of Machine Tools (AREA)
Abstract
一种数控机床的智能监控系统及方法，包括由用以固定待加工的工件的夹具和用以装载对应刀头的智能刀架组成的加工模块，用以分别检测所述智能刀架中刀头的振动频率、所述第一电机的转速和所述第二电机的转速的检测模块，用以基于检测模块测得的加工参数和运行参数分析所述机床对所述工件的加工是否符合标准的分析模块和用以将分析模块输出的调节指令输送至对应的部件中以使接收到调节指令的部件变更其加工参数或运行参数的传输模块，以克服现有技术中在面对复杂的加工过程时，缺乏对刀具的保护措施，从而导致运行过程中对刀头产生损坏，在增加了机床的运行成本的同时，降低了机床针对工件的加工效率的问题。
An intelligent monitoring system and method for a numerically controlled machine tool, comprising a processing module composed of a fixture for fixing a workpiece to be processed and an intelligent tool holder for loading a corresponding tool head, a detection module for respectively detecting the vibration frequency of the tool head in the intelligent tool holder, the rotation speed of the first motor and the rotation speed of the second motor, an analysis module for analyzing whether the processing of the workpiece by the machine tool meets the standard based on the processing parameters and operating parameters measured by the detection module, and a transmission module for transmitting the adjustment instructions output by the analysis module to the corresponding components so that the components receiving the adjustment instructions change their processing parameters or operating parameters, so as to overcome the problem in the prior art that there is a lack of protection measures for the tool when facing a complex processing process, thereby causing damage to the tool head during operation, increasing the operating cost of the machine tool and reducing the processing efficiency of the machine tool for the workpiece.
Description
Technical Field
The invention relates to the technical field of cutter protection, in particular to an intelligent monitoring system and method of a numerical control machine tool.
Background
The turning and milling composite numerical control machine tool has the main advantages that complex machining operations can be carried out in single machining, workpieces do not need to be transferred among a plurality of machine tools, time is saved, and the overall production efficiency is improved, but the frequency of faults generated in the machining process of the turning and milling composite numerical control machine tool is higher than that of a common machine tool due to the complexity of the turning and milling composite numerical control machine tool, so that the turning and milling composite numerical control machine tool has very important significance in adopting more effective monitoring means;
CN115722922a discloses a multifunctional turning and milling compound numerical control machine tool, which meets different processing requirements through the cooperation of a clamping device, a longitudinal shaft device and a fixing mechanism, and collects scraps generated in the processing process through the arrangement of two collection boxes which can be mutually close to and far away from each other, so that the scraps are prevented from being sputtered;
Therefore, the multifunctional turning and milling composite numerical control machine tool has the following problems that when the machine tool faces a complex machining process, the machine tool lacks protection measures for a cutter, so that the cutter head is damaged in the running process, the running cost of the machine tool is increased, and the machining efficiency of the machine tool for workpieces is reduced.
Disclosure of Invention
Therefore, on the one hand, the invention provides an intelligent monitoring system and method for a numerical control machine tool to solve the problem that the prior art lacks protection measures for a cutter.
In order to achieve the above object, the present invention provides an intelligent monitoring system and method for a numerically-controlled machine tool, including:
The machining module is arranged on the numerical control machine tool body and comprises a clamp used for fixing a workpiece to be machined and an intelligent tool rest used for loading corresponding tool bits, wherein a first motor used for enabling the clamp to drive the workpiece to rotate is arranged in the clamp, a second motor used for controlling the corresponding tool bits to rotate is arranged in the intelligent tool rest, and the intelligent tool rest completes cutting and polishing treatment of the workpiece by using the corresponding tool bits;
The detection module is connected with corresponding parts in the processing module and is used for respectively detecting the vibration frequency of the tool bit in the intelligent tool rest, the rotating speed of the first motor and the rotating speed of the second motor;
The analysis module is connected with the detection module and is used for determining a machining parameter for a workpiece according to a current machining procedure or determining an operation parameter for a component in the machining module according to the rotating speed of the first motor when the machining of the workpiece by the machine tool based on the vibration frequency of the tool bit measured by the detection module is judged to be inconsistent with the standard; the processing parameters comprise single cutting quantity aiming at the workpiece and rotating speed of the second motor, the operation parameters comprise clamping force of the intelligent tool rest aiming at a tool and operation time nodes of the first motor or the intelligent tool rest, and the analysis module is further used for outputting corresponding adjustment instructions according to a determined result;
And the transmission module is respectively connected with the analysis module and the processing module and is used for transmitting the adjusting instruction output by the analysis module to the corresponding component so as to enable the component which receives the adjusting instruction to change the processing parameter or the operation parameter of the component.
Further, the analysis module is used for determining processing parameters for the workpiece according to the processing procedure for the workpiece determined based on the type of the tool bit used by the intelligent tool rest when the processing of the workpiece by the machine tool is primarily determined to be not in accordance with the standard according to the vibration frequency of the tool bit;
Or, the device is used for determining the corresponding operation parameters of the component according to the processing state of the intelligent tool rest for the workpiece, which is determined based on the rotating speed of the first motor, when the processing of the workpiece by the machine tool according to the vibration frequency of the tool bit is judged to be out of the standard.
Further, the analysis module is further used for determining whether the machining of the machine tool on the workpiece meets a standard or not according to the average value of the first motor rotating speed and the second motor rotating speed when the machining process of the workpiece is cutting according to the type of the tool bit;
Or determining the machining parameters for the workpiece based on the rotating speed of the second motor when the machining process for the workpiece is grinding according to the type of the tool bit.
Further, the analysis module is provided with a plurality of correction modes aiming at the vibration frequency reference based on the average value of the first motor rotating speed and the second motor rotating speed, and the correction amplitudes of the correction modes aiming at the vibration frequency reference are different.
Further, the analysis module is further used for determining a single cutting amount of the processing module in the polishing process of the workpiece or re-determining the moving speed of the tool bit in the polishing process of the tool bit based on the rotating speed of the second motor when the processing procedure of the workpiece is determined to be polishing.
Further, the analysis module is provided with a plurality of cutting amount adjusting modes aiming at the single cutting amount in the workpiece polishing process based on the difference value between the rotating speed of the second motor and the preset rotating speed arranged in the second motor, and the single cutting amount adjusted by the cutting amount adjusting modes is different.
Further, the analysis module is provided with a plurality of moving speed adjusting modes aiming at the moving speed of the tool bit in the workpiece polishing process based on the difference value between the preset rotating speed and the rotating speed of the second motor, and the moving speeds of the tool bit adjusted by the moving speed adjusting modes are different.
Further, the analysis module is further configured to determine a clamping force of the intelligent tool rest against the tool when the machining state of the intelligent tool rest against the workpiece determined based on the rotation speed of the first motor is turning or determine a run-time node of the first motor or the intelligent tool rest when the machining state of the intelligent tool rest against the workpiece determined based on the rotation speed of the first motor is intelligent milling when it is determined that the machining of the machine tool against the workpiece does not meet a standard;
the analysis module is also used for determining the processing parameters of the workpiece based on the rotating speed of the second motor when the intelligent tool rest determined based on the rotating speed of the first motor is used for milling the processing state of the workpiece.
Further, the analysis module is provided with a plurality of clamping force adjusting modes aiming at the clamping force of the intelligent tool rest on the tool based on the rotating speed of the first motor, the clamping force of the intelligent tool rest on the tool after being adjusted by the clamping force adjusting modes is different, the analysis module is provided with a plurality of adjusting modes aiming at the operation time nodes of the clamp and the intelligent tool rest based on the difference value between the rotating speed of the first motor and the preset rotating speed standard of the first motor, and the operation time nodes obtained under the adjusting modes are different.
In another aspect, the present invention also provides a method comprising the steps of:
Step S1, a first motor in a processing module drives the workpiece to rotate, a second motor in the processing module drives an intelligent tool rest to rotate, and the intelligent tool rest completes cutting and polishing treatment of the workpiece by using a corresponding tool bit;
Step S2, a detection module respectively detects the vibration frequency of a cutter head in the intelligent cutter rest, the rotating speed of the first motor and the rotating speed of the second motor in the processing process;
Step S3, an analysis module judges whether the machining of the workpiece by the machine tool meets the standard or not based on the vibration frequency of the tool bit measured by the detection module, determines machining parameters for the workpiece according to the current machining procedure when the machining parameters do not meet the standard, or determines operation parameters for components in the machining module according to the rotating speed of the first motor, and outputs corresponding adjusting instructions according to the determined results;
And S4, the transmission module transmits the adjusting instruction output by the analysis module to the corresponding component so that the component receiving the adjusting instruction changes the processing parameter or the operation parameter of the component.
Compared with the prior art, the invention has the beneficial effects that the detection module and the analysis module are arranged, so that the analysis module judges whether the machining of a workpiece meets the preset standard according to the measured vibration frequency, and determines the machining parameters of the workpiece according to the current machining procedure when the machining is judged to be not met with the standard, so that the judgment precision of the working state of the machine tool on the tool bit is improved, the stability and the flexibility of the numerical control machine tool on the machining of the workpiece are improved, meanwhile, the analysis module is also used for determining the operation parameters of the inner part of the machining module according to the rotating speed of the first motor, the stability of the numerical control machine tool on the machining of the workpiece is further improved, and the stability of the tool bit in the use process can be effectively improved through the effective clamping of the tool bit, thereby effectively improving the protection efficiency of the machine tool on the tool bit while avoiding the condition that the tool bit is damaged by the workpiece caused by the contact of the tool bit with the workpiece at the standard angle, and effectively improving the machining efficiency of the machine tool bit while reducing the operation cost of the machine tool.
Further, the analysis module is further configured to determine, according to the type of the tool bit, whether the machining process for the workpiece meets a standard or not according to an average value of the rotational speed of the first motor and the rotational speed of the second motor when the machining process for the workpiece is cutting, or determine, according to the type of the tool bit, a machining parameter for the workpiece according to the rotational speed of the second motor when the machining process for the workpiece is polishing, so that protection efficiency of the numerical control machine tool for the tool bit is further improved, running cost of the machine tool is reduced, and machining efficiency of the machine tool for the workpiece is effectively improved.
Further, the analysis module corrects the vibration frequency reference based on the average value of the rotation speed of the first motor and the rotation speed of the second motor, so that the protection efficiency of the numerical control machine tool for the tool bit is further improved, the running cost of the machine tool is reduced, and meanwhile, the machining efficiency of the machine tool for a workpiece is effectively improved.
Further, the analysis module is further used for determining single cutting amount of the processing module in the polishing process of the workpiece or redetermining the moving speed of the tool bit in the polishing process of the tool bit when the processing procedure of the workpiece is determined to be polishing, so that the protection efficiency of the numerical control machine tool for the tool bit is further improved, the operation cost of the machine tool is reduced, and meanwhile, the processing efficiency of the machine tool for the workpiece is effectively improved.
Further, the analysis module adjusts the single cutting amount in the workpiece polishing process based on the difference value between the rotating speed of the second motor and the preset rotating speed arranged in the second motor, so that the protection efficiency of the numerical control machine tool for the tool bit is further improved, the operation cost of the machine tool is reduced, and meanwhile, the machining efficiency of the machine tool for the workpiece is effectively improved.
Further, the analysis module adjusts the moving speed of the tool bit in the workpiece polishing process based on the difference value between the preset rotating speed and the rotating speed of the second motor, so that the protection efficiency of the numerical control machine tool on the tool bit is further improved, the operation cost of the machine tool is reduced, and meanwhile, the machining efficiency of the machine tool on the workpiece is effectively improved.
Further, the analysis module is further used for determining the clamping force of the intelligent tool rest on the tool when the processing state of the intelligent tool rest on the workpiece, which is determined based on the rotating speed of the first motor, is turning under the condition that the processing of the machine tool on the workpiece does not meet the standard, or determining the running time node of the first motor or the intelligent tool rest when the processing state of the intelligent tool rest on the workpiece, which is determined based on the rotating speed of the first motor, is intelligent milling, so that the processing efficiency of the machine tool on the workpiece is effectively improved, hidden danger of the numerical control machine tool on the processing process of the workpiece is eliminated, the protection efficiency of the machine tool on the tool bit is further improved, and the running cost of the machine tool is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an intelligent monitoring system of a numerical control machine tool according to an embodiment of the invention;
FIG. 2 is a schematic side view of an intelligent monitoring system of a numerical control machine according to an embodiment of the present invention;
FIG. 3 is a block diagram of an intelligent monitoring system of a numerical control machine according to an embodiment of the present invention;
FIG. 4 is a flow chart of steps of an intelligent monitoring method of a numerical control machine tool according to an embodiment of the present invention;
Fig. 5 is a flowchart of a decision of whether the vibration frequency of the tool bit meets the standard by the analysis module of the intelligent monitoring system of the numerical control machine tool according to the embodiment of the invention.
Detailed Description
The invention will be further described with reference to examples for the purpose of making the objects and advantages of the invention more apparent, it being understood that the specific examples described herein are given by way of illustration only and are not intended to be limiting.
The above and further technical features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In addition, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 and 2, fig. 3 is a schematic structural diagram of an intelligent monitoring system of a numerically-controlled machine tool according to an embodiment of the present invention, and fig. 3 is a structural diagram of the intelligent monitoring system of the numerically-controlled machine tool according to an embodiment of the present invention, including a processing module, a detection module, an analysis module and a transmission module, wherein the processing module is disposed on a numerically-controlled machine tool body and includes a fixture 1 for fixing a workpiece 4 to be processed and an intelligent tool holder 2 for loading a corresponding tool bit 3, a first motor (not shown in the figure) for driving the fixture 1 to rotate the workpiece 4 is disposed in the fixture 1, a second motor (not shown in the figure) for controlling the rotation of the corresponding tool bit 3 is disposed in the intelligent tool holder 2, the intelligent tool holder 2 completes cutting and polishing processing on the workpiece 4 by using the corresponding tool bit 3, the detection module is connected with the corresponding components in the processing module and is used for respectively detecting the vibration frequency of the tool bit 3 in the intelligent tool holder 2, the rotation speed of the first motor and the rotation speed of the second motor is used for loading the corresponding tool bit 3, the analysis module is connected with the detection module and is used for determining that the vibration frequency of the tool bit 3 is different from the current processing standard or the vibration frequency of the tool bit 4 is different from the current processing standard for the workpiece 4, the method comprises the steps of determining operation parameters for components in a processing module according to the rotating speed of a first motor, wherein the processing parameters comprise single cutting amount for a workpiece 4 and the rotating speed of a second motor, the operation parameters comprise clamping force of an intelligent tool rest 2 for a tool and operation time nodes of the first motor or the intelligent tool rest 2, an analysis module is further used for outputting corresponding adjustment instructions according to a determined result, and the transmission module is connected with the analysis module and the processing module and used for transmitting the adjustment instructions output by the analysis module into the corresponding components so that the components receiving the adjustment instructions change the processing parameters or the operation parameters.
According to the invention, the processing module controls the clamp 1 and the intelligent tool rest 2 to move, the detection module detects the vibration frequency of the tool bit 3 clamped by the intelligent tool rest 2 and the rotation speed of the first motor and the rotation speed of the second motor in the processing process, compares the vibration frequency with a preset standard by the analysis module, judges whether the working state of the processing module is qualified or not, if the working state of the processing module is unqualified, the analysis module obtains an optimal adjustment mode through calculation and sends an adjustment instruction, and the transmission module transmits the adjustment instruction output by the analysis module to a corresponding part in the processing module to complete adjustment of the processing state of a machine tool.
Referring to fig. 4, which is a flowchart illustrating steps of an intelligent monitoring method for a numerical control machine according to an embodiment of the present invention, the intelligent monitoring method for a numerical control machine includes the following steps:
Step S1, a first motor in a processing module drives the workpiece to rotate, a second motor in the processing module drives an intelligent tool rest to rotate, and the intelligent tool rest completes cutting and polishing treatment of the workpiece by using a corresponding tool bit;
Step S2, a detection module respectively detects the vibration frequency of a cutter head in the intelligent cutter rest, the rotating speed of the first motor and the rotating speed of the second motor in the processing process;
Step S3, an analysis module judges whether the machining of the workpiece by the machine tool meets the standard or not based on the vibration frequency of the tool bit measured by the detection module, determines machining parameters for the workpiece according to the current machining procedure when the machining parameters do not meet the standard, or determines operation parameters for components in the machining module according to the rotating speed of the first motor, and outputs corresponding adjusting instructions according to the determined results;
And S4, the transmission module transmits the adjusting instruction output by the analysis module to the corresponding component so that the component receiving the adjusting instruction changes the processing parameter or the operation parameter of the component.
Fig. 5 is a flowchart showing a determination process of whether the vibration frequency of the tool bit 3 meets the standard by the analysis module according to the present invention, wherein the analysis module is configured to determine, based on a comparison result between the vibration frequency of the tool bit 3 detected by the detection module and the vibration frequency standard preset in the analysis module, whether the machining of the machine tool on the workpiece 4 meets the preset standard, wherein:
The first judging mode is that the analysis module judges that the vibration frequency of the tool bit 3 accords with a preset vibration frequency standard in the analysis module, and judges that the machine tool is qualified for processing the workpiece 4 at present;
The second judging mode is that the analysis module preliminarily judges that the vibration frequency of the tool bit 3 does not accord with the preset vibration frequency standard in the analysis module, and the analysis module determines the processing parameters for the workpiece according to the processing procedures for the workpiece determined based on the type of the tool bit used by the intelligent tool rest, wherein the second judging mode meets the preset second vibration frequency standard which is larger than or equal to the preset first vibration frequency standard and smaller than or equal to the preset second vibration frequency standard, and the preset second vibration frequency is set to be 2KHz;
The third judging mode is that the analysis module judges that the vibration frequency of the tool bit 3 does not meet the preset vibration frequency standard in the analysis module, and judges that hidden danger exists in the current machining of the workpiece 4 by the machine tool, the analysis module determines the corresponding operation parameters of the component according to the machining state of the workpiece by the intelligent tool rest determined by the rotation speed of the first motor, and the third judging mode meets the condition that the vibration frequency is larger than the preset second vibration frequency.
Specifically, the analysis module determines a machining process for the work 4 according to the type of the tool tip 3 when the analysis module determines that the vibration frequency of the tool tip 3 satisfies the second determination mode:
If the working procedure is cutting, the analysis module is provided with a plurality of correction modes aiming at the vibration frequency standard based on the average value of the rotation speeds of the first motor and the second motor detected by the detection module, wherein the vibration frequency standard comprises the first preset vibration frequency and the second preset vibration frequency;
If the working procedure is polishing, the analysis module judges that the vibration frequency of the tool bit 3 is unqualified, and determines a processing mode based on the rotating speed of the second motor detected by the detection module.
Specifically, the analysis module sets a correction method for the vibration frequency reference based on an average value of the first motor rotation speed and the second motor rotation speed when it is determined that the machining process for the workpiece is cutting according to the type of the tool bit, wherein:
The first correction mode is that the analysis module judges that the average value of the first motor rotating speed and the second motor rotating speed accords with an average value standard preset in the analysis module, the first vibration frequency standard is improved by 10 percent, the first correction mode meets that the average value of the first motor rotating speed and the second motor rotating speed is larger than a first preset average value standard, and the first preset average value standard is set to 2000 Vc/pi D;
The second correction mode is that the analysis module preliminarily judges that the average value of the first motor rotating speed and the second motor rotating speed does not meet the preset average value standard in the analysis module, and the second vibration frequency standard is improved by 10 percent;
the third correction mode is that the analysis module judges that the average value of the first motor rotating speed and the second motor rotating speed does not accord with the average value standard preset in the analysis module, and the first vibration frequency standard and the second vibration frequency standard are both improved by 10 percent;
After the analysis module finishes correcting the vibration frequency standard of the tool bit 3, the analysis module secondarily judges whether the machine tool is qualified for machining the workpiece 4 based on the comparison result of the vibration frequency of the tool bit 3 and the corrected vibration frequency standard of the tool bit 3, the analysis module judges that the machine tool is qualified for machining the workpiece 4 currently in the first judging mode, judges that hidden danger exists in machining the workpiece 4 currently in the machine tool currently in the second judging mode or the third judging mode, and the analysis module determines the corresponding operation parameters of the component according to the machining state of the workpiece by the intelligent tool rest determined based on the rotating speed of the first motor.
Specifically, the analysis module is further configured to determine a machining parameter of the machining module for the workpiece 4 based on the rotation speed of the second motor when determining that the machining process for the workpiece 4 is grinding, wherein:
If the rotating speed of the second motor is greater than or equal to a second motor rotating speed standard preset in the analysis module, the analysis module adjusts the single cutting amount of the tool bit 3 for the workpiece 4 based on the difference value between the actual rotating speed of the second motor and the preset second motor rotating speed standard;
if the rotating speed of the second motor is smaller than the second motor rotating speed standard preset in the analysis module, the analysis module adjusts the moving speed of the tool bit 3 in the polishing process based on the difference value of the actual rotating speed of the second motor and the preset second motor rotating speed standard.
Specifically, the analysis module determines a cutting amount adjustment mode for a single cutting amount in the polishing process of the workpiece 4 based on a difference value between the rotation speed of the second motor and a preset rotation speed set in the second motor, wherein:
The first cutting amount adjusting mode is that the analysis module judges that the difference value between the rotating speed of the second motor and the rotating speed of the preset second motor meets the preset difference value standard, and the single cutting amount of the tool bit 3 in the polishing process of the workpiece 4 is reduced by 0.3cm;
The second cutting amount adjusting mode is that the analysis module preliminarily judges that the difference value between the rotating speed of the second motor and the rotating speed of the preset second motor does not meet the preset difference value standard, and reduces the single cutting amount of the tool bit 3 in the process of polishing the workpiece 4 by 0.2cm, wherein the second cutting amount adjusting mode meets the condition that the difference value between the rotating speed of the second motor and the rotating speed of the preset second motor is larger than the first preset rotating speed difference value standard and smaller than or equal to the second preset rotating speed difference value standard, and the second preset rotating speed difference value standard is set to 600 Vc/pi D;
And the third cutting amount adjusting mode is that the analysis module judges that the difference value between the second motor rotating speed and the preset second motor rotating speed does not meet the preset difference value standard, the single cutting amount of the tool bit 3 in the polishing process of the workpiece 4 is reduced by 0.1cm, and the third cutting amount adjusting mode meets the condition that the difference value between the second motor rotating speed and the preset second motor rotating speed is larger than the second preset rotating speed difference value standard.
Specifically, the analysis module determines a moving speed adjustment manner for the moving speed of the tool bit 3 during the polishing process of the workpiece 4 based on a difference value between the preset rotating speed and the second motor rotating speed, wherein:
The first speed-shifting adjustment mode is that the analysis module judges that the difference value between the second motor rotating speed and the preset second motor rotating speed meets a preset difference value standard, and reduces the speed-shifting of the tool bit 3 by 300mm/min in the process of polishing the workpiece 4 by the tool bit 3;
The second speed-shifting adjustment mode is that the analysis module preliminarily judges that the difference value between the second motor rotating speed and the preset second motor rotating speed does not meet a preset difference value standard, and reduces the speed-shifting of the tool bit 3 by 200mm/min in the process of polishing the workpiece 4 by the tool bit 3, wherein the second speed-shifting adjustment mode meets the conditions that the difference value between the second motor rotating speed and the preset second motor rotating speed is larger than a first preset rotating speed difference value standard and smaller than or equal to a second preset rotating speed difference value standard;
The third speed-shifting adjustment mode is that the analysis module judges that the difference value between the second motor rotating speed and the preset second motor rotating speed does not meet the preset difference value standard, and reduces the speed-shifting of the tool bit 3 by 100mm/min in the process of polishing the workpiece 4 by the tool bit 3, and the third speed-shifting adjustment mode meets the condition that the difference value between the second motor rotating speed and the preset second motor rotating speed is larger than the second preset rotating speed difference value standard.
In particular, the analysis module is further configured to determine a clamping force of the intelligent tool rest 2 against a tool when the machining state of the intelligent tool rest 2 against the workpiece 4 determined based on the rotational speed of the first motor is turning, or determine a run-time node of the first motor or the intelligent tool rest 2 when the machining state of the intelligent tool rest 2 against the workpiece 4 determined based on the rotational speed of the first motor is intelligent milling, if it is determined that the machining of the machine tool against the workpiece 4 does not meet a standard;
Specifically, the analysis module is further configured to determine the machining parameter for the workpiece 4 based on the rotational speed of the second motor when the machining state of the intelligent tool rest 2 for the workpiece 4 determined based on the rotational speed of the first motor is milling:
If the rotating speed of the first motor is greater than or equal to a first motor rotating speed standard preset in the analysis module, the analysis module judges that the machine tool is in a turning state, and the analysis module adjusts the clamping force of the intelligent tool rest 2 on the tool based on the actual rotating speed of the first motor, wherein the first motor rotating speed standard is set to 1500 Vc/pi D, the turning state refers to that the second motor is fixed, and the first motor only runs to finish the machining of the workpiece 4;
If the rotating speed of the first motor is smaller than the rotating speed standard of the first motor and larger than zero, the analysis module judges that the machine tool is in an intelligent milling state, and the analysis module adjusts the operation time nodes of the clamp 1 and the intelligent tool rest 2 based on the difference value between the actual rotating speed of the first motor and the preset rotating speed standard of the first motor, wherein the intelligent milling state refers to that the first motor and the tool bit 3 are matched in a coordinated manner to finish continuous processing of the workpiece 4 on different planes;
If the rotation speed of the first motor is zero, the analysis module judges that the machine tool is in a milling state and judges that the vibration frequency of the tool bit 3 is unqualified, and determines the machining parameters for the workpiece 4 based on the rotation speed of the second motor, wherein the milling state refers to that the first motor is fixed, and the workpiece 4 is machined only by the operation of the second motor.
Specifically, the analysis module determines a clamping force adjustment mode for the clamping force of the intelligent tool rest 2 on the tool based on the rotation speed of the first motor, wherein:
The first clamping force adjusting mode is that the analysis module judges that the rotating speed of the first motor accords with a preset first motor rotating speed standard, and the clamping force of the intelligent tool rest 2 on the tool is improved by 50N, wherein the first clamping force adjusting mode meets the rotating speed of the first motor and is more than or equal to the preset first rotating speed standard, and the preset first rotating speed standard is set to 2000 Vc/pi D;
the second clamping force adjusting mode is that the analysis module judges that the rotating speed of the first motor does not meet the preset first motor rotating speed standard, the clamping force of the intelligent tool rest 2 on the tool is improved by 100N, and the second clamping force adjusting mode meets the condition that the rotating speed of the first motor is smaller than the preset first rotating speed standard.
Specifically, the analysis module sets an adjustment mode for the operation time nodes of the clamp 1 and the intelligent tool rest 2 based on the difference value between the rotation speed of the first motor and the preset first motor rotation speed standard set by the analysis module, wherein:
The first time node adjusting mode is that the analysis module judges that the difference value between the rotating speed of the first motor and the preset first motor rotating speed standard set by the analysis module accords with the standard, and the running time node of the first motor for executing corresponding actions is advanced by 1s and the running time node of the intelligent knife rest 2 for executing corresponding actions is kept unchanged, at the moment, the interval between the running time node of the first motor for executing corresponding actions and the running time node of the intelligent knife rest 2 for executing corresponding actions is 1s;
the second time node adjusting mode is that the analysis module judges that the difference value between the rotating speed of the first motor and the preset first motor rotating speed standard set by the analysis module is not in accordance with the standard, the running time node of the first motor for executing corresponding actions is advanced by 1s, the running time node of the intelligent knife rest 2 for executing corresponding actions is delayed by 1s, at the moment, the interval between the running time node of the first motor for executing corresponding actions and the running time node of the intelligent knife rest 2 for executing corresponding actions is 2s, and the second time node adjusting mode meets that the difference value between the rotating speed of the first motor and the preset first motor rotating speed standard set by the second time node adjusting mode is larger than the first motor rotating speed difference value standard.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An intelligent monitoring system of a numerical control machine tool, comprising:
The machining module is arranged on the numerical control machine tool body and comprises a clamp used for fixing a workpiece to be machined and an intelligent tool rest used for loading corresponding tool bits, wherein a first motor used for enabling the clamp to drive the workpiece to rotate is arranged in the clamp, a second motor used for controlling the corresponding tool bits to rotate is arranged in the intelligent tool rest, and the intelligent tool rest completes cutting and polishing treatment of the workpiece by using the corresponding tool bits;
The detection module is connected with corresponding parts in the processing module and is used for respectively detecting the vibration frequency of the tool bit in the intelligent tool rest, the rotating speed of the first motor and the rotating speed of the second motor;
The analysis module is connected with the detection module and is used for determining a machining parameter for a workpiece according to a current machining procedure or determining an operation parameter for a component in the machining module according to the rotating speed of the first motor when the machining of the workpiece by the machine tool based on the vibration frequency of the tool bit measured by the detection module is judged to be inconsistent with the standard; the processing parameters comprise single cutting quantity aiming at the workpiece and rotating speed of the second motor, the operation parameters comprise clamping force of the intelligent tool rest aiming at a tool and operation time nodes of the first motor or the intelligent tool rest, and the analysis module is further used for outputting corresponding adjustment instructions according to a determined result;
The transmission module is respectively connected with the analysis module and the processing module and is used for transmitting the adjusting instruction output by the analysis module to the corresponding component so as to enable the component which receives the adjusting instruction to change the processing parameter or the operation parameter of the component;
The analysis module is used for determining processing parameters for a workpiece according to the processing procedure for the workpiece determined based on the type of the tool bit used by the intelligent tool rest under the condition that the processing of the tool bit for the workpiece by the machine tool is primarily determined to be not in accordance with the standard according to the vibration frequency of the tool bit;
Or, the intelligent tool rest is used for determining the corresponding operation parameters of the component according to the processing state of the intelligent tool rest for the workpiece, which is determined based on the rotating speed of the first motor, when the processing of the workpiece by the machine tool according to the vibration frequency of the tool bit is judged to be out of the standard condition;
The analysis module is also used for determining whether the machining of the machine tool for the workpiece meets a standard vibration frequency reference or not based on the average value of the first motor rotating speed and the second motor rotating speed when the machining process for the workpiece is cutting according to the type of the tool bit;
Or determining a machining parameter for the workpiece based on the rotating speed of the second motor when the machining procedure for the workpiece is grinding according to the type of the tool bit;
the analysis module is provided with a plurality of correction modes aiming at the vibration frequency reference based on the average value of the first motor rotating speed and the second motor rotating speed, and the correction amplitudes of the correction modes aiming at the vibration frequency reference are different;
the analysis module is further used for determining a single cutting amount of the processing module in the polishing process of the workpiece or re-determining the moving speed of the tool bit in the polishing process of the tool bit based on the rotating speed of the second motor when the processing procedure of the workpiece is determined to be polishing;
the analysis module is provided with a plurality of cutting amount adjusting modes aiming at the single cutting amount in the workpiece polishing process based on the difference value between the rotating speed of the second motor and the preset rotating speed arranged in the second motor, and the single cutting amount adjusted by the cutting amount adjusting modes is different;
the analysis module is provided with a plurality of moving speed adjusting modes aiming at the moving speed of the tool bit in the workpiece polishing process based on the difference value between the preset rotating speed and the rotating speed of the second motor, and the moving speeds of the tool bit adjusted by the moving speed adjusting modes are different;
The analysis module is further used for determining the clamping force of the intelligent tool rest for the tool when the processing state of the intelligent tool rest for the workpiece, which is determined based on the rotating speed of the first motor, is turning under the condition that the processing of the workpiece by the machine tool is not in accordance with the standard, or determining the running time node of the first motor or the intelligent tool rest when the processing state of the intelligent tool rest for the workpiece, which is determined based on the rotating speed of the first motor, is intelligent milling;
the analysis module is also used for determining the processing parameters of the workpiece based on the rotating speed of the second motor when the intelligent tool rest determined based on the rotating speed of the first motor is used for milling the processing state of the workpiece.
2. The intelligent monitoring system of the numerical control machine tool according to claim 1, wherein the analysis module is provided with a plurality of clamping force adjusting modes aiming at the clamping force of the intelligent tool rest on the tool based on the rotating speed of the first motor, and the clamping force of the intelligent tool rest adjusted by the clamping force adjusting modes aiming at the tool is different;
the analysis module is provided with a plurality of adjustment modes aiming at the operation time nodes of the clamp and the intelligent tool rest based on the difference value between the rotating speed of the first motor and the preset rotating speed standard of the first motor, and the operation time nodes obtained in each adjustment mode are different.
3. A method of intelligent monitoring system of a numerically controlled machine tool according to any of claims 1-2, comprising the steps of:
Step S1, a first motor in a processing module drives the workpiece to rotate, a second motor in the processing module drives an intelligent tool rest to rotate, and the intelligent tool rest completes cutting and polishing treatment of the workpiece by using a corresponding tool bit;
Step S2, a detection module respectively detects the vibration frequency of a cutter head in the intelligent cutter rest, the rotating speed of the first motor and the rotating speed of the second motor in the processing process;
Step S3, an analysis module judges whether the machining of the workpiece by the machine tool meets the standard or not based on the vibration frequency of the tool bit measured by the detection module, determines machining parameters for the workpiece according to the current machining procedure when the machining parameters do not meet the standard, or determines operation parameters for components in the machining module according to the rotating speed of the first motor, and outputs corresponding adjusting instructions according to the determined results;
And S4, the transmission module transmits the adjusting instruction output by the analysis module to the corresponding component so that the component receiving the adjusting instruction changes the processing parameter or the operation parameter of the component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410532905.7A CN118456024B (en) | 2024-04-30 | 2024-04-30 | Intelligent monitoring system and method for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410532905.7A CN118456024B (en) | 2024-04-30 | 2024-04-30 | Intelligent monitoring system and method for numerical control machine tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118456024A CN118456024A (en) | 2024-08-09 |
| CN118456024B true CN118456024B (en) | 2024-12-20 |
Family
ID=92169201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410532905.7A Active CN118456024B (en) | 2024-04-30 | 2024-04-30 | Intelligent monitoring system and method for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118456024B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798390A (en) * | 2023-12-29 | 2024-04-02 | 新昌合旸汽车零部件有限公司 | Automatic production device for automobile bearings |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5368232B2 (en) * | 2009-09-24 | 2013-12-18 | オークマ株式会社 | Vibration suppression device |
| CN102744426A (en) * | 2012-07-25 | 2012-10-24 | 宁波沃诚精密机械有限公司 | Full-automatic numerical control machine tool for bearing ring |
| WO2014024862A1 (en) * | 2012-08-10 | 2014-02-13 | 住友電工ハードメタル株式会社 | Lathe turning tool |
| JP6967357B2 (en) * | 2017-03-01 | 2021-11-17 | シチズン時計株式会社 | Machine tool controls and machine tools |
| DE102019001177B4 (en) * | 2018-02-19 | 2024-01-18 | Fanuc Corporation | Controller, machine learning device and system |
| WO2020138025A1 (en) * | 2018-12-25 | 2020-07-02 | 日立金属株式会社 | Device and method for detecting abnormality in cutting tool |
| CN111069975A (en) * | 2019-12-13 | 2020-04-28 | 首都航天机械有限公司 | Real-time monitoring and adaptive control system and method for end running state of CNC milling machine |
| CN213673040U (en) * | 2020-09-15 | 2021-07-13 | 常州西利合金工具有限公司 | Numerical control cutter with adjustable cutter handle |
| CN214720648U (en) * | 2021-01-11 | 2021-11-16 | 南京信息职业技术学院 | Self-adaptive clamping system of numerical control machine tool and experimental platform |
| CN112692317A (en) * | 2021-01-11 | 2021-04-23 | 南京信息职业技术学院 | Self-adaptive clamping system of numerical control machine tool and control method thereof |
| CN113894617A (en) * | 2021-09-22 | 2022-01-07 | 沈阳机床(集团)有限责任公司 | Cutter state monitoring system and method based on machine tool vibration signals |
| CN115238238A (en) * | 2022-06-24 | 2022-10-25 | 浙江理工大学 | An intelligent physical examination method for CNC machine tools |
| CN116009479B (en) * | 2023-03-28 | 2023-05-30 | 东莞市扬牧数控科技有限公司 | Intelligent monitoring system for running state of numerical control machine tool |
-
2024
- 2024-04-30 CN CN202410532905.7A patent/CN118456024B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117798390A (en) * | 2023-12-29 | 2024-04-02 | 新昌合旸汽车零部件有限公司 | Automatic production device for automobile bearings |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118456024A (en) | 2024-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5396821A (en) | Apparatus and method of machining article of eccentric configuration | |
| US5097576A (en) | Traveling steel pipe cutting machine of milling type | |
| US20020077233A1 (en) | Method of high-speed milling of domed-shaped parts | |
| CN101733460A (en) | Welding line milling and back-chipping equipment | |
| KR19990072016A (en) | Workpiece cutting machine | |
| WO1983002416A1 (en) | Numerical control machining system | |
| CN118456024B (en) | Intelligent monitoring system and method for numerical control machine tool | |
| JP2016215359A (en) | Processing system for adjusting processing tool rotation number and work-piece feeding speed | |
| JPH11165211A (en) | Inner face machining machine | |
| US20120065768A1 (en) | Numerical controller and numerical control machining system | |
| JPH04164557A (en) | Polygon work method | |
| CN108500732A (en) | Method of controlling operation in lathe | |
| JP7167631B2 (en) | Machine tool and gear machining method using machine tool | |
| JP2000084798A (en) | Machining abnormality detecting method and device, and machining controller | |
| CN208083979U (en) | Double-station horizontal stock-removing machine | |
| CN117415620B (en) | Multi-shaft turning and milling compound numerical control machine tool | |
| KR870000140B1 (en) | Numerical Control Processing Method | |
| KR20100068525A (en) | System for detecting vibration in shaft and automatically adjusting shaft speed in machine tool and method thereof | |
| CN109176052B (en) | Automatic machine tool with B-axis control | |
| JP2004090203A (en) | Roots rotor machining method and machining device | |
| JP2006297597A (en) | Vibration damping device of machine tool | |
| JPH11165241A (en) | Work machining device on lathe | |
| KR20140083097A (en) | Spindle clamping and unclamping automatic control device and method thereof | |
| JP2021111026A (en) | Machine tool machining control method | |
| JPH0857764A (en) | Robot control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |