CN116197735A - Novel intelligent machine tool machining system - Google Patents
Novel intelligent machine tool machining system Download PDFInfo
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- CN116197735A CN116197735A CN202111441528.9A CN202111441528A CN116197735A CN 116197735 A CN116197735 A CN 116197735A CN 202111441528 A CN202111441528 A CN 202111441528A CN 116197735 A CN116197735 A CN 116197735A
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- machine tool
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- spatial position
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- 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
- B23Q15/12—Adaptive control, i.e. adjusting itself to have a performance which is optimum according to a preassigned criterion
-
- 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
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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
- G05B19/404—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 control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
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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]
Abstract
The invention discloses a novel intelligent machine tool processing system, which comprises the following components: the homologous measurement positioning system comprises a homologous measurement receiving terminal, a workpiece platform measurement feed source sensor, a spatial position measurement sensing feed source sensor and a homologous measurement receiving terminal; the machine tool self-checking, wherein the machine tool self-checking generates a full-dimension information virtual digital machine tool; and establishing a reference standard, wherein the reference standard is mainly composed of a full-dimension virtual machine tool system. The beneficial effects of the invention are as follows: the invention can realize iterative evolution on the precision of the machine tool, and the installation of the machine tool is not required to be regulated for a long time, and the basic installation is firm; after the machine tool is installed, the system calculates the actual motion trail of each axis according to the full-axis motion self-test, then calculates the motion trail data of each axis according to the system algorithm, and establishes a full-dimension information digital virtual machine tool control system, thereby obtaining a correct reference processing station standard system.
Description
Technical Field
The invention relates to a machine tool machining system, in particular to a novel intelligent machine tool machining system, and belongs to the technical field of intelligent machine tools.
Background
In some fields with high precision requirements, the machine tool system is required to guide iterative evolution and upgrading of machine tool hardware precision, the machining requirements are higher and higher, manpower and material resources can be saved, and the system requirements are more intelligent: the system is a measuring system, a real-time control system and a self-diagnosis system, and is a real-time database of full-dimensional information of the full-machine tool, and meanwhile, the full-dimensional error information parameters of the machine tool can be corrected in real time during machining, and the types of the machine tools for machining the workpieces can be different according to the machining requirements of different workpieces and the shapes and the sizes of the workpieces to be machined.
The existing intelligent machine tool system is fixed to the machining setting of a workpiece, the machining precision of a machine tool to the workpiece is also determined, in order to improve the machining precision of the machine tool, a plurality of machine tools need to be adjusted before being put into use or after being used for a period of time, so that the machining positions of a tool and the workpiece are calibrated, the process generally needs to be manually adjusted, the existing machine tool does not have the system, the time is greatly delayed in the manual adjustment process, and the real-time adjustment of the adjustment precision cannot be carried out according to the workpiece, so that the machining precision of the machine tool to the part can be reduced.
Disclosure of Invention
The invention aims to solve the problems and provide a novel intelligent machine tool processing system.
The invention realizes the aim through the following technical scheme, and a novel intelligent machine tool processing system comprises the following components:
the homologous measurement positioning system comprises a homologous measurement receiving terminal, a workpiece platform measurement feed source sensor, a spatial position measurement sensing feed source sensor and a homologous measurement receiving terminal;
the machine tool self-checking, wherein the machine tool self-checking generates a full-dimension information virtual digital machine tool;
and establishing a reference standard, wherein the reference standard is mainly composed of a full-dimension virtual machine tool system.
Preferably, the machine tool self-test comprises the following steps:
the first step: detecting information measurement of all motion axes, wherein when each axis moves, the system continuously collects information at a homologous measurement terminal, meanwhile, the system obtains signal information of feed source sensors on a main shaft and a workpiece platform, and the system analyzes current spatial position parameters of the main shaft and the workpiece by using a digital model and a spatial geometric algorithm respectively on the spatial position information measured at the main shaft and the workpiece;
and a second step of: according to the spatial position parameters measured by each movement axis, a full-dimensional information digital virtual machine tool is established, the spatial position parameters can be fed back in real time according to the main shaft and the workpiece platform, when a plurality of other movement axes move, the full-dimensional spatial position information of the axes is fed back to a machine tool system through the spatial position measurement sensing sensors on the main shaft and the workpiece platform, then the machine tool system inputs the spatial position information of each movement axis into the virtual digital machine tool system according to the obtained spatial position parameters of each axis, and a unique full-dimensional information digital virtual machine tool control system of each machine tool is established.
Preferably, the homologous measurement positioning system uses wireless signals as a space information transmission mode, establishes information interconnection, solves the space position information of the processing main shaft and the workpiece platform, and feeds back the space position information to the machine tool system.
Preferably, the system performs real-time gap compensation according to the feeding direction and the stress direction during machining according to the data model for machine tool self-checking, wherein the data model comprises an actual track model of each shaft and the full-dimensional gap deviation of each shaft.
Preferably, when the system processes the workpiece, real-time space coordinates of the processed workpiece and the main shaft cutter are continuously fed back to a terminal homologous measurement coordinate system, and then the system calculates corresponding instruction data according to the real-time data and sends the instruction data to the controllers of all shafts to execute control processing.
Preferably, the operation of the system comprises the following parts:
operation one: measuring and positioning homology, performing real-time measurement, sensing and positioning on each processing area of the system, and correcting in real time;
and (2) operation II: measuring, sensing and positioning the tail end machining position and the cutter, and measuring and controlling machining in real time;
and (3) operation three: the system performs single-code and double-code control, wherein one is a mechanical code system, and the other is a cold-hot effect micro-motion code system;
operation four: the micro-motion unit with cold and hot effect is configured, so that the spindle can be further precisely controlled.
Preferably, the positioning homology is to measure, position and sense the spatial position of the full-dimensional processing area and the processing main shaft, the cutter, the workpiece and the workpiece placing platform.
Preferably, the cold-hot effect micro-motion unit can realize nano-meter-level numerical control repeated positioning requirements on the main shaft through thermal expansion and cold contraction of workpiece materials.
The beneficial effects of the invention are as follows:
firstly, the invention can realize iterative evolution on the precision of the machine tool, for example: the control system of the full-dimensional information digital virtual machine tool can perform corresponding tolerance compensation on the global accuracy defect of the current machine tool, and perform uninterrupted real-time measurement control correction, so that the accuracy of the machined part is higher than that of the original machine tool, the machined part is used for manufacturing a new machine tool, and the repeated positioning accuracy of the machine tool is theoretically approaching to 1 picometer infinitely through multiple machine tool iterations.
Secondly, the installation of the machine tool does not need long-time adjustment, the basic installation is firm, and the installation adjustment for a few days or tens of days is not needed for some large-scale machine tools; after the machine tool is installed, the system calculates the actual motion trail of each axis according to the full-axis motion self-test, then calculates the motion trail data of each axis according to the system algorithm, and establishes a full-dimension information digital virtual machine tool control system, thereby obtaining a correct reference processing station standard system.
The system can carry out self-adaptive matching on the old machine tool, meanwhile, the system can carry out machine tool precision diagnosis and evaluation on all the machinable areas of the old machine tool, and a full-dimensional information digital virtual machine tool control system is established, so that when parts due to the precision of the areas are machined later, the health condition of the whole machine of the system can be inquired, and meanwhile, the areas meeting the requirements of the machining precision of the parts are found.
Drawings
FIG. 1 is a schematic diagram of a homology measurement system of the present invention;
FIG. 2 is a diagram of a machine tool operation model according to the present invention;
FIG. 3 is a schematic diagram of an ideal rail and track of the present invention;
FIG. 4 is a schematic diagram of the rail and rail of the present invention with a father clearance amount on one side;
fig. 5 is a schematic diagram of the present invention with a fatter gap on the other side of the rail and rail.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a novel intelligent machine tool processing system, the system comprises:
the homologous measurement positioning system comprises a homologous measurement receiving terminal (fixed), a workpiece platform measurement feed source sensor, a spatial position measurement sensing feed source sensor and a homologous measurement receiving terminal;
information interconnection is established directly at each sensor of the end processing spindle (the spindle can be a traditional spindle or a reflector or a refractor body of a photoetching machine, etc.).
The homologous measurement positioning system uses wireless signals (microwaves or lasers) as a space information transmission mode, establishes information interconnection, solves the space position information of the processing main shaft and the workpiece platform, and feeds back to the machine tool system.
The machine tool self-checking, wherein the machine tool self-checking generates a full-dimension information virtual digital machine tool;
the machine tool self-checking comprises the following steps:
the first step: detecting information measurement of all motion axes, wherein when each axis moves, the system continuously collects information at a homologous measurement terminal, meanwhile, the system obtains signal information of feed source sensors on a main shaft and a workpiece platform, and the system analyzes current spatial position parameters of the main shaft and the workpiece (or a workpiece placement platform) by using a digital model and a spatial geometric algorithm respectively on the spatial position information measured at the main shaft and the workpiece;
and a second step of: according to the spatial position parameters measured by each motion axis, a full-dimensional information digital virtual machine tool is established, the spatial position parameters can be fed back in real time according to the main shaft and the workpiece platform, when a plurality of other motion axes are in motion, the full-dimensional spatial position information of the axes is fed back to a machine tool system through the spatial position measurement sensing sensors on the main shaft and the workpiece platform, then the machine tool system inputs the spatial position information of each motion axis into the virtual digital machine tool system according to the obtained spatial position parameters of each axis, and a unique full-dimensional information digital virtual machine tool control system (all defect information of the machine tool is contained in the virtual machine tool control system, and corresponding compensation is automatically carried out in the subsequent processing, so that virtual precision optimization can be carried out on mechanical hardware.
The system carries out real-time gap compensation according to the feeding direction and the stress direction during processing according to the data model for self-checking the machine tool, wherein the data model comprises an actual track model of each shaft and the full-dimensional gap deviation of each shaft.
And establishing a reference standard, wherein the reference standard is mainly composed of a full-dimension virtual machine tool system.
The operation of the system includes the following parts:
operation one: measuring and positioning homology, performing real-time measurement, sensing and positioning on each processing area of the system, and correcting in real time;
the positioning homology is to measure, position and sense the spatial position of the full-dimensional processing area and the processing main shaft, the cutter, the workpiece and the workpiece placing platform.
And (2) operation II: measuring, sensing and positioning the tail end machining position and the cutter, and measuring and controlling machining in real time;
and (3) operation three: the system performs single-code and double-code control, wherein one is a mechanical code system, and the other is a cold-hot effect micro-motion code system;
operation four: the main shaft can be further precisely controlled by being provided with a cold and hot effect micro-motion unit;
the cold-hot effect micro-motion unit can realize nano-meter and picometer-level numerical control repeated positioning requirements on the main shaft through thermal expansion and cold contraction of workpiece materials.
When the system processes a workpiece, real-time space coordinates of the processed workpiece and a main shaft cutter are continuously fed back to a terminal homologous measurement coordinate system, and then the system calculates corresponding instruction data according to the real-time data and sends the instruction data to controllers of all shafts to execute control processing.
Examples are given; the system can realize that a low-precision machine tool can process parts with higher precision than the machine tool, basic principle diagrams are shown in figures 3 to 4, and figure 3 is a schematic diagram of the working principle between the sliding rail and the guide rail in an ideal state; FIG. 4 is a schematic diagram of the principle that one side of the slide rail slides under force against the guide rail, and the other side of the slide rail has a clearance; fig. 5 is a schematic diagram of the other side of the rail sliding under force against the rail, with a gap of one side.
As in fig. 1 and 2, the information transmission and operational relationship between the full-dimensional information digitizing virtual machine tool control system and the homologous measurement positioning terminator system and the actual machine tool are simultaneously achieved when machining the part.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. Novel intelligent machine tool processing system, its characterized in that, the constitution of system includes:
the homologous measurement positioning system comprises a homologous measurement receiving terminal, a workpiece platform measurement feed source sensor, a spatial position measurement sensing feed source sensor and a homologous measurement receiving terminal;
the machine tool self-checking, wherein the machine tool self-checking generates a full-dimension information virtual digital machine tool;
and establishing a reference standard, wherein the reference standard is mainly composed of a full-dimension virtual machine tool system.
2. The novel intelligent machine tool machining system according to claim 1, wherein: the machine tool self-checking comprises the following steps:
the first step: detecting information measurement of all motion axes, wherein when each axis moves, the system continuously collects information at a homologous measurement terminal, meanwhile, the system obtains signal information of feed source sensors on a main shaft and a workpiece platform, and the system analyzes current spatial position parameters of the main shaft and the workpiece by using a digital model and a spatial geometric algorithm respectively on the spatial position information measured at the main shaft and the workpiece;
and a second step of: according to the spatial position parameters measured by each movement axis, a full-dimensional information digital virtual machine tool is established, the spatial position parameters can be fed back in real time according to the main shaft and the workpiece platform, when a plurality of other movement axes move, the full-dimensional spatial position information of the axes is fed back to a machine tool system through the spatial position measurement sensing sensors on the main shaft and the workpiece platform, then the machine tool system inputs the spatial position information of each movement axis into the virtual digital machine tool system according to the obtained spatial position parameters of each axis, and a unique full-dimensional information digital virtual machine tool control system of each machine tool is established.
3. The novel intelligent machine tool machining system according to claim 1, wherein: the homologous measurement positioning system uses wireless signals as a space information transmission mode, establishes information interconnection, solves the space position information of the processing main shaft and the workpiece platform, and feeds back the space position information to the machine tool system.
4. The novel intelligent machine tool machining system according to claim 2, wherein: the system carries out real-time gap compensation according to the feeding direction and the stress direction during processing according to the data model for self-checking the machine tool, wherein the data model comprises an actual track model of each shaft and the full-dimensional gap deviation of each shaft.
5. The novel intelligent machine tool machining system according to claim 1, wherein: when the system processes a workpiece, real-time space coordinates of the processed workpiece and a main shaft cutter are continuously fed back to a terminal homologous measurement coordinate system, and then the system calculates corresponding instruction data according to the real-time data and sends the instruction data to controllers of all shafts to execute control processing.
6. The novel intelligent machine tool machining system according to claim 1, wherein: the operation of the system includes the following:
operation one: measuring and positioning homology, performing real-time measurement, sensing and positioning on each processing area of the system, and correcting in real time;
and (2) operation II: measuring, sensing and positioning the tail end machining position and the cutter, and measuring and controlling machining in real time;
and (3) operation three: the system performs single-code and double-code control, wherein one is a mechanical code system, and the other is a cold-hot effect micro-motion code system;
operation four: the micro-motion unit with cold and hot effect is configured, so that the spindle can be further precisely controlled.
7. The novel intelligent machine tool machining system according to claim 6, wherein: the positioning homology is to measure, position and sense the spatial position of the full-dimensional processing area and the processing main shaft, the cutter, the workpiece and the workpiece placing platform.
8. The novel intelligent machine tool machining system according to claim 6, wherein: the cold-hot effect micro-motion unit can realize nano-meter and picometer-level numerical control repeated positioning requirements on the main shaft through thermal expansion and cold contraction of workpiece materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441528.9A CN116197735A (en) | 2021-11-30 | 2021-11-30 | Novel intelligent machine tool machining system |
| PCT/CN2021/135993 WO2023097711A1 (en) | 2021-11-30 | 2021-12-07 | New intelligent machine tool machining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111441528.9A CN116197735A (en) | 2021-11-30 | 2021-11-30 | Novel intelligent machine tool machining system |
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| CN116197735A true CN116197735A (en) | 2023-06-02 |
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| CN202111441528.9A Pending CN116197735A (en) | 2021-11-30 | 2021-11-30 | Novel intelligent machine tool machining system |
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| WO (1) | WO2023097711A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116774647B (en) * | 2023-08-18 | 2023-11-17 | 苏州科易胜智能科技有限公司 | Intelligent mechanical numerical control management system based on data analysis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943896B (en) * | 2010-07-16 | 2012-02-29 | 浙江大学 | Trajectory regeneration compensation method of numerical control machine error |
| AT512526B1 (en) * | 2012-02-02 | 2013-09-15 | Hpc Produktions Gmbh | POSITION COMPENSATING DEVICE IN A TOOL MACHINE |
| CN102629121B (en) * | 2012-04-24 | 2014-04-09 | 上海交通大学 | Intelligent compensation system for geometrical and heating position errors of numerical control machine |
| CN103576604A (en) * | 2012-07-25 | 2014-02-12 | 上海睿涛信息科技有限公司 | Dynamic real-time compensation system for positioning errors of numerical-control machine tool |
| CN108372428B (en) * | 2016-12-21 | 2021-08-13 | 中国航空制造技术研究院 | Method for automatically measuring and compensating structural errors of five-axis machine tool and correcting device |
| EP3338946B1 (en) * | 2016-12-22 | 2019-07-10 | National Chung Shan Institute of Science and Technology | Measurement, calibration and compensation system and method for machine tool |
| CN109623499B (en) * | 2019-01-31 | 2020-08-25 | 大连理工大学 | Geometric/thermal error online measurement and compensation system of numerical control machine tool |
| CN111596612A (en) * | 2020-05-11 | 2020-08-28 | 上海交通大学 | Numerical control machine tool thermal error compensation method and system based on workpiece dimension data |
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2021
- 2021-11-30 CN CN202111441528.9A patent/CN116197735A/en active Pending
- 2021-12-07 WO PCT/CN2021/135993 patent/WO2023097711A1/en unknown
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| WO2023097711A1 (en) | 2023-06-08 |
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