CN117369368A - Coupling synchronization method, system and storage medium for single-workbench double-spindle machine tool - Google Patents
Coupling synchronization method, system and storage medium for single-workbench double-spindle machine tool Download PDFInfo
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- CN117369368A CN117369368A CN202311502712.9A CN202311502712A CN117369368A CN 117369368 A CN117369368 A CN 117369368A CN 202311502712 A CN202311502712 A CN 202311502712A CN 117369368 A CN117369368 A CN 117369368A
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- 238000010168 coupling process Methods 0.000 title claims abstract description 68
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 68
- 230000008878 coupling Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000001360 synchronised effect Effects 0.000 claims abstract description 23
- 230000000295 complement effect Effects 0.000 claims abstract description 15
- 238000003754 machining Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening 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
- G05B19/4155—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 programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
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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
- G05B2219/32—Operator till task planning
- G05B2219/32026—Order code follows article through all operations
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Abstract
The invention discloses a single-workbench double-spindle machine tool coupling synchronization method, a system and a storage medium, comprising the following steps: acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel; acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel; mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel; and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area. According to the invention, through the custom macro program, the interactive program with the other channel shaft is realized in a single channel by programming, and the double main shafts synchronously process the symmetrical region, so that compared with the traditional machine tool, the machining time is shortened by half, and the machining efficiency is remarkably improved.
Description
Technical Field
The invention relates to the technical field of machine tool processing, in particular to a single-workbench double-spindle machine tool coupling synchronization method, a system and a storage medium.
Background
In the new energy processing industry, the general stroke of a workpiece is very long, the workpiece is provided with symmetrical characteristics, the workpiece is subjected to X-direction fast moving speed when being processed by a traditional single-spindle machine tool, and the processing efficiency can not be well improved when the number of characteristic points is large. The existing single-Y-axis double-channel machine tool cannot effectively give instructions to the channel I to enable the channel II to change the cutter, cannot enable the cutter point of the main shaft of the channel II to be positioned to a set point by reading the channel II cutter compensation and zero offset to enable the channel I to execute a program, and enables the axis of the channel II to complete mirror image or synchronous movement along with the axis of the channel I.
Aiming at the processing scene, a double-spindle processing center is designed, and when symmetrical characteristics are processed, two spindles can be utilized for coupling synchronous processing, so that half time is shortened, and the processing efficiency is remarkably improved.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a method, a system and a storage medium for coupling and synchronizing a single-table double-spindle machine tool, so as to solve the above problems of the prior art.
The technical scheme adopted for solving the technical problems is as follows: a single-workbench double-spindle machine tool coupling synchronization method comprises the following steps:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
As a further improvement of the invention: the obtaining a channel one-tool number instruction comprises the following steps:
and acquiring a first-channel cutter number instruction, assigning first-channel cutter number information according to the first-channel cutter number instruction, judging whether the first-channel cutter number exceeds the cutter library limit, comparing the first-channel cutter number information with the total number of cutters, and alarming to stop the program and resetting the double channels if the first-channel cutter number is larger than the total number of cutters.
As a further improvement of the invention: the second channel performs synchronous tool changing according to the first channel number, and comprises:
and according to the channel I cutter number instruction, the channel II executes a synchronous cutter changing macro program, the channel I cutter number information is transmitted to the channel II, the channel II is read and started, the channel II cutter complement information is obtained, and the channel II cutter complement information is stored in a first global variable.
As a further improvement of the invention: the process coordinate system of the first acquisition channel comprises the following steps:
and (3) activating the machining coordinate system of the first channel, judging whether a value at the position corresponding to zero offset of the machining coordinate system of the first channel passes through the internal variable, and when the internal variable is smaller than 2, indicating that the zero offset of the first channel is not activated, the first channel cannot run under the machining coordinate system of the workpiece, stopping the program and resetting the two channels.
As a further improvement of the invention: the obtaining zero offset information of the second channel comprises the following steps:
when the channel I activates zero offset, channel II zero offset information is acquired and stored in a second global variable;
and executing a positioning macro program of the channel II to finish positioning of two tool tips of the spindle according to the first global variable of the channel II tool compensation information and the second global variable of the channel II zero offset information.
As a further improvement of the invention: the coupling instruction of the corresponding shaft of the double channels comprises a mirror image coupling instruction, a homodromous coupling instruction and a coupling closing instruction;
the mirror coupling instruction includes: releasing the X1 axis of the first channel in the first channel, synchronously starting the second channel to acquire the released axis of the first channel, and performing mirror image motion on the X1 and the X2 by coupling the X2 axis of the second channel with the X1 axis of the first channel, wherein the X2 is a driven shaft, the X1 is a driving shaft.
As a further improvement of the invention: the in-coupling instruction includes: releasing the X1 axis in the first channel, synchronously starting the second channel to acquire the released axis of the first channel, and coupling the X2 axis of the second channel with the X1 axis of the first channel, wherein X2 is a driven shaft, X1 is a driving shaft, and the X1 and the X2 do the same direction movement.
As a further improvement of the invention: the coupling closing instruction includes: in the second channel, the second X2 axis is decoupled from the first X1 axis, so that the second X2 axis and the first X1 axis operate independently.
In another aspect of the present invention, a system for coupling and synchronizing a single-table double-spindle machine tool is provided, including a memory and a processor, where the memory includes a single-table double-spindle machine tool coupling and synchronizing method program, and when the single-table double-spindle machine tool coupling and synchronizing method program is executed by the processor, the following steps are implemented:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
In another aspect of the present invention, a computer readable storage medium is provided, where the computer readable storage medium includes a machine tool biaxial synchronous control method program, where the machine tool biaxial synchronous control method program, when executed by a processor, implements the steps of a machine tool biaxial synchronous control method as described above.
Compared with the prior art, the invention has the beneficial effects that:
the application provides a single-workbench double-spindle machine tool coupling synchronization method, which realizes an interactive program with another channel shaft through a custom macro program in a single channel by programming, can finish the same-direction or mirror image machining process of multiple working procedures such as milling, drilling, grinding and the like, and can process symmetrical areas by double-spindle synchronization, thereby shortening half of machining time compared with the traditional machine tool and remarkably improving the machining efficiency.
Drawings
FIG. 1 is a schematic diagram of a flow framework of the method of the present invention.
Fig. 2 is a schematic overall flow chart of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. 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.
In a single-workbench double-spindle machine tool, two X-axis, two Z-axis and two spindles belong to two processing channels respectively, and when XZ linkage is executed, the operation can be realized by programming in the respective channels, but the machine has the difficulty that only one Y-axis can be distributed in one processing channel, namely the XYZ interpolation linkage in one processing channel can be completed. Aiming at the field, the invention provides a single-workbench double-spindle machine tool coupling synchronization method, which realizes an interactive program with another channel shaft in a single channel through a custom macro program and completes the same-direction or mirror image processing technology of multiple procedures such as milling, drilling, grinding and the like. Compared with the traditional machine tool, the machining time is shortened by half, and the machining efficiency is remarkably improved.
For ease of understanding the context of the present application, the following instructions are described:
INIT instructions for selecting NC programs to be executed in a given channel;
P_GG [8] instruction, representing the active G code in G code group 8, representing the activated workpiece coordinate system, which is 1 when any workpiece coordinate system is not activated, which is 2 when the workpiece coordinate system is activated;
trail instruction, instruction for enabling and defining coupling axis combinations;
a trail of instruction, closing the instruction of the coupling combination;
a RELEASE command to RELEASE the shaft;
GET instructions, transfer shaft;
an LR_MIRROR instruction, which is used for releasing X, Z, SP in the first channel and recovering to the encapsulation macro program of the first channel after the second channel is acquired and coupled, and can complete the MIRROR image motion of X1 and X2 by a row of codes;
the lr_code instruction is used to release X, Z, SP in channel one and restore the encapsulated macro program to channel one after channel two is acquired and coupled, and one line of code can be used to complete the co-directional motion of X1 and X2.
Embodiment one:
the invention will now be further described with reference to the accompanying drawings and examples: a single-workbench double-spindle machine tool coupling synchronization method comprises the following steps:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
In one embodiment of the present invention, the obtaining a channel one-tool number instruction includes:
and acquiring a first-channel cutter number instruction, assigning first-channel cutter number information according to the first-channel cutter number instruction, judging whether the first-channel cutter number exceeds the cutter library limit, comparing the first-channel cutter number information with the total number of cutters, and alarming to stop the program and resetting the double channels if the first-channel cutter number is larger than the total number of cutters.
In this embodiment, the channel one-cutter instruction is obtained by assigning a channel one-cutter instruction, such as T5, to the global variable_pretool, where_pretool=5, so that the channel one-cutter information is changed to the information of the 5-cutter, and the channel one-cutter information is transmitted to the synchronous cutter changing macro program of the channel two.
In one embodiment of the present invention, the second channel performs synchronous tool changing according to the first channel number, including:
and according to the channel I cutter number instruction, the channel II executes a synchronous cutter changing macro program, the channel I cutter number information is transmitted to the channel II, the channel II is read and started, the channel II cutter complement information is obtained, and the channel II cutter complement information is stored in the first global variable_BC.
The channel one cutter number instruction mode is to assign a channel one cutter number instruction such as T5 to a global variable_preool, at this time_preool=5, obtain the information of the channel one cutter number information as the number 5 cutter, then load the cutter changing program into the channel two through the macro program loading INIT instruction and execute the cutter changing program, and the cutter changing code in the channel two is t= _preoolm6, so that the channel two also changes the number 5 cutter.
In one embodiment of the present invention, the acquiring the machining coordinate system of the first channel includes:
and when the internal variable $P_GG [8] <2, the channel I activates the processing coordinate system, judges whether the value of the zero offset corresponding to the processing coordinate system of the channel I passes through the internal variable $P_GG [8], and when the internal variable $P_GG [8] <2, the channel I does not activate the zero offset, cannot run under the processing coordinate system of the workpiece, and the program is stopped and the two channels are reset.
In an embodiment of the present invention, the obtaining zero offset information of the second channel includes:
when the channel I activates zero offset, channel II zero offset information is acquired and stored in a global variable_LP;
and executing a positioning macro program of the channel II to finish positioning of two tool tips of the spindle according to the first global variable BC of the channel II tool compensation information and the second global variable LP of the channel II zero offset information.
In order to realize that a command is given to the channel I to enable the channel II to CHANGE a cutter, developing an R_CHANGE macro program to enable a cutter number variable T of the channel I to be transmitted to a third global variable_DH, and reading the cutter response positioning in the channel II;
and according to the R_CHANGE macro program, developing an L_TTL macro program to read a channel two zero offset variable and a cutter complement variable and store the two zero offset variables and the cutter complement variable into global variables_LP and_BC, and using an R_POS (0, 0) instruction to complete positioning of a channel two XZ axes.
In one embodiment of the present invention, the coupling instruction of the dual-channel corresponding shaft includes a mirror image coupling instruction, a homodromous coupling instruction and a coupling closing instruction;
the mirror coupling instruction includes: releasing the X1 axis of the first channel in the first channel by using RELEASE (X1), synchronously starting the second channel, acquiring the released axis of the first channel by using GET (X1) instruction, and coupling the X2 axis of the second channel with the X1 axis of the first channel by using TRAILON (X2, X1, -1) instruction, wherein at the moment, X2 is a driven shaft, X1 is a driving shaft, and X1 and X2 do mirror image motion.
Further, the in-coupling instruction includes: releasing the X1 axis in the first channel by using a RELEASE (X1) instruction, synchronously starting the second channel, acquiring the released axis of the first channel by using a GET (X1) instruction, and coupling the second X2 axis of the first channel with the first X1 axis of the first channel by using a TRAILON (X2, X1) instruction, wherein at the moment, X2 is a driven shaft, X1 is a driving shaft, and X1 and X2 do the same-direction movement.
The invention develops the MIRROR image coupling instruction LR_MIRROR and the homodromous coupling instruction LR_COUPLE, so that the XZ axis of the second channel moves along the XZ axis of the first channel by the same distance, and the quick processing of the symmetrical characteristic is completed.
In one embodiment of the present invention, the coupling closing instruction includes: a TRAILOF (X2, X1) instruction is used to decouple the channel two X2 axis from the channel one X1 axis in channel two, so that the channel two X2 axis and the channel one X1 axis each operate independently.
In the scheme of the application, the MIRROR image coupling instruction lr_mirror needs to RELEASE the X1 axis in the first channel by using a RELEASE (X1) instruction, synchronously start the second channel program to acquire the released axis of the first channel by using a GET (X1) instruction, and couple the second X2 axis of the first channel with the first X1 axis by using a trail (X2, X1, -1) instruction, wherein at this time, X2 is a driven axis, X1 is a driving axis, and X1 and X2 do MIRROR image motion.
The co-coupling instruction lr_column is to RELEASE the X1 axis in the first channel by using a RELEASE (X1) instruction in the first channel, synchronously start the second channel to obtain the released axis in the first channel by using a GET (X1) instruction, and COUPLE the second X2 axis of the first channel with the first X1 axis of the first channel by using a trail (X2, X1) instruction, wherein at this time, X2 is a driven axis, X1 is a driving axis, and X1 and X2 do co-directional motion.
The coupling shutdown procedure lr_trail is to use trail (X2, X1) instruction to decouple the X2 and X1 axes in the second channel, so that the second channel X2 axis and the first channel X1 axis can operate independently.
Through a self-defined macro program, an interactive program with another channel shaft is realized in a single channel by programming, the same-direction or mirror image processing technology of milling, drilling, grinding and other multiple procedures is finished, double-spindle synchronous processing is realized, and compared with a traditional machine tool, half of processing time is shortened, and the processing efficiency is remarkably improved.
Embodiment two:
in another aspect of the present invention, a single-table double-spindle machine tool coupling synchronization system is further provided, including a memory and a processor, where the memory includes a single-table double-spindle machine tool coupling synchronization method program, and when the single-table double-spindle machine tool coupling synchronization method program is executed by the processor, the following steps are implemented:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
In another aspect of the present invention, a computer readable storage medium is provided, where the computer readable storage medium includes a dual-axis synchronous control method program for a machine tool, where the dual-axis synchronous control method program for a machine tool, when executed by a processor, implements the steps of the dual-axis synchronous control method for a machine tool as described above.
In view of the above, after reading the present document, those skilled in the art should make various other corresponding changes without creative mental effort according to the technical scheme and the technical conception of the present invention, which are all within the scope of the present invention.
Claims (10)
1. The method for coupling and synchronizing the double-spindle machine tools of the single workbench is characterized by comprising the following steps of:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
2. The method for coupling and synchronizing a single-table double-spindle machine tool according to claim 1, wherein the step of obtaining a channel one-tool number instruction comprises the steps of:
and acquiring a first-channel cutter number instruction, assigning first-channel cutter number information according to the first-channel cutter number instruction, judging whether the first-channel cutter number exceeds the cutter library limit, comparing the first-channel cutter number information with the total number of cutters, and alarming to stop the program and resetting the double channels if the first-channel cutter number is larger than the total number of cutters.
3. The method for coupling and synchronizing a single-table double-spindle machine tool according to claim 2, wherein the channel two performs synchronous tool changing according to the channel one tool number, comprising:
and according to the channel I cutter number instruction, the channel II executes a synchronous cutter changing macro program, the channel I cutter number information is transmitted to the channel II, the channel II is read and started, the channel II cutter complement information is obtained, and the channel II cutter complement information is stored in a first global variable.
4. A single-table double-spindle machine tool coupling synchronization method according to claim 3, wherein said obtaining a machining coordinate system of a first channel comprises:
and (3) activating the machining coordinate system of the first channel, judging whether a value at the position corresponding to zero offset of the machining coordinate system of the first channel passes through the internal variable, and when the internal variable is smaller than 2, indicating that the zero offset of the first channel is not activated, the first channel cannot run under the machining coordinate system of the workpiece, stopping the program and resetting the two channels.
5. The method for coupling and synchronizing a single-table dual-spindle machine tool according to claim 4, wherein the obtaining zero offset information of the second channel comprises:
when the channel I activates zero offset, channel II zero offset information is acquired and stored in a second global variable;
and executing a positioning macro program of the channel II to finish positioning of two tool tips of the spindle according to the first global variable of the channel II tool compensation information and the second global variable of the channel II zero offset information.
6. The method for coupling and synchronizing the single-workbench double-spindle machine tool according to claim 1, wherein the coupling instructions of the corresponding shafts of the two channels comprise mirror image coupling instructions, homodromous coupling instructions and coupling closing instructions;
the mirror coupling instruction includes: releasing the X1 axis of the first channel in the first channel, synchronously starting the second channel to acquire the released axis of the first channel, and performing mirror image motion on the X1 and the X2 by coupling the X2 axis of the second channel with the X1 axis of the first channel, wherein the X2 is a driven shaft, the X1 is a driving shaft.
7. The method for coupling and synchronizing a single-table double-spindle machine tool according to claim 6, wherein the co-coupling instruction comprises: releasing the X1 axis in the first channel, synchronously starting the second channel to acquire the released axis of the first channel, and coupling the X2 axis of the second channel with the X1 axis of the first channel, wherein X2 is a driven shaft, X1 is a driving shaft, and the X1 and the X2 do the same direction movement.
8. The method for coupling and synchronizing a single-table dual spindle machine tool of claim 7, wherein said coupling shut-off command comprises: in the second channel, the second X2 axis is decoupled from the first X1 axis, so that the second X2 axis and the first X1 axis operate independently.
9. The single-workbench double-spindle machine tool coupling synchronization system is characterized by comprising a memory and a processor, wherein the memory comprises a single-workbench double-spindle machine tool coupling synchronization method program, and the single-workbench double-spindle machine tool coupling synchronization method program is executed by the processor and comprises the following steps:
acquiring a first-channel cutter number instruction, and executing synchronous cutter changing according to the first-channel cutter number by a second channel to acquire cutter compensation information of the second channel;
acquiring a processing coordinate system of a first channel, and acquiring zero offset information of a second channel according to the zero offset information of the first channel;
mirror image positioning of the second channel is executed according to the knife complement information of the second channel and the zero offset information of the second channel;
and starting a coupling instruction of the corresponding shaft of the double channels to process the processing area.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a machine tool biaxial synchronization control method program, which when executed by a processor, implements the steps of a machine tool biaxial synchronization control method according to claims 1-8.
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| CN202311502712.9A CN117369368A (en) | 2023-11-13 | 2023-11-13 | Coupling synchronization method, system and storage medium for single-workbench double-spindle machine tool |
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| CN202311502712.9A CN117369368A (en) | 2023-11-13 | 2023-11-13 | Coupling synchronization method, system and storage medium for single-workbench double-spindle machine tool |
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