CN103991005B - A kind of control method of the Digit Control Machine Tool with fixing facing head - Google Patents
A kind of control method of the Digit Control Machine Tool with fixing facing head Download PDFInfo
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- CN103991005B CN103991005B CN201410207813.8A CN201410207813A CN103991005B CN 103991005 B CN103991005 B CN 103991005B CN 201410207813 A CN201410207813 A CN 201410207813A CN 103991005 B CN103991005 B CN 103991005B
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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
- 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
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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
- 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
- B23Q15/08—Control or regulation of cutting velocity
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Abstract
The present invention relates to the control method of a kind of Digit Control Machine Tool with fixing facing head, control method includes main shaft mode peace capstan mode changing method and spindle speed changing method, the control station of Digit Control Machine Tool connects main shaft mode switch, facing head mode switch, the low gear switch of main shaft and main shaft height gear switch, utilize main shaft mode switch, facing head mode switch, the mode of operation that Digit Control Machine Tool is taked by the signal intensity of the low gear switch of main shaft and main shaft height gear switch switches over, use M1 and M2 code switching main shaft mode peace capstan mode, use rotating speed fiducial value switching spindle speed and then complete the gear shift of high and low shift, and coordinate control to complete by corresponding electromagnetic valve, safe and reliable；The invention enables operator without clearly knowing the switch speed of each gear, it is only necessary to understanding the required rotating speed of cutting, significantly alleviate the work load of operator, control simplicity, work efficiency is high and is prone to investigation problem, it is ensured that the excellent performance of machine tool.
Description
Technical field
The invention belongs to lathe；It is not included in the intermetallic composite coating in other classifications and the technical field of corresponding method, only need to understand lathe rotating speed of needs when cutting operation particularly to a kind of operator of meeting and can simply control Digit Control Machine Tool and complete the band of Compound Machining and fix Digit Control Machine Tool and the control method thereof of facing head.
Background technology
Digit Control Machine Tool is the abbreviation of numerically-controlled machine tool (Computer numerical control machine tools), it it is a kind of automated machine tool equipped with programme-control control station, various control signal is sent by numerical control device through calculation process, control the action of lathe, shape and size by drawing, automatically process part.Digit Control Machine Tool preferably solves the part processing problems of complexity, precision, small lot, multi items, is a kind of flexibility, dynamical automated machine tool, represents the developing direction of modern machine control technology, is a kind of typical electromechanical integrated product.
Along with space flight military project, the development of the high-end fields such as pneumatic machinery, the continuous expansion of machining product product scope, improving constantly of quality, gradually becoming strong of function, Digit Control Machine Tool is constantly towards high-performance, in high precision, at high speed, high flexibility, great type, accurate direction is developed, traditional Digit Control Machine Tool range of work can not meet demand, on common numerical control machining center, a large amount of structures, size, the workpiece that form is different is difficult to processing, also need to asessory shaft link such as B axle, U axle realizes Compound Machining, now will be applied to facing head.
On Digit Control Machine Tool, facing head is usually used to the various complex surface of secondary process and processing large diameter hole, and digital control type facing head can realize radial feed when principal cutting movement, it is achieved Compound Machining.Generally, the main shaft gear of the Digit Control Machine Tool of the fixing facing head of band includes low grade, top grade and facing head shelves third gear, and owing to the rotating speed of facing head is relatively low, its velocity interval is included in the velocity interval of low grade, so rotating speed gear shift cannot directly be used.And in prior art, the control of fixed facing head is all the mode using and performing M code, machine driving is switched by controlling gear-shifting solenoid valve, this control mode drawback is when carrying out the switching of height gear, require that operator clearly knows the switch speed of high and low shift, but in fact this is relatively difficult for the operator of the generally rotating speed that a understanding needs when cutting, and even needs to inquire about when switching handbook, once paramnesia also can affect real work, and work efficiency is relatively low.
Summary of the invention
Present invention solves the technical problem that and be, in prior art, the main shaft gear of the Digit Control Machine Tool of the fixing facing head of band includes low grade, top grade and facing head shelves third gear, owing to the rotating speed of facing head is relatively low, its velocity interval is included in the velocity interval of low grade, so rotating speed gear shift cannot directly be used, but use the mode performing M code, machine driving is switched by controlling gear-shifting solenoid valve, this causes when carrying out the switching of height gear, operator is required clearly to know the switch speed of high and low shift, but it is in fact relatively difficult for the operator of this rotating speed needed when universal only understanding cutting, even need the inquiry hands volume when switching, once paramnesia also can affect real work, work efficiency is relatively low, and then provide the Digit Control Machine Tool carrying fixing facing head and the control method thereof of a kind of optimization.
The technical solution adopted in the present invention is, the control method of a kind of Digit Control Machine Tool with fixing facing head, and described control method includes main shaft mode peace capstan mode changing method and spindle speed changing method；The control station of described Digit Control Machine Tool connects main shaft mode switch, facing head mode switch, the low gear switch of main shaft and main shaft height gear switch；
Arranging " M1 " on described control station is the execution code being shifted to main shaft mode, and arranging " M2 " is the execution code being shifted to facing head mode；The minimum speed of low grade is set less than low-grade maximum (top) speed, high-grade minimum speed is less than high-grade maximum (top) speed, the minimum speed of facing head shelves is less than the maximum (top) speed of facing head shelves, low-grade maximum (top) speed is less than high-grade minimum speed, and the maximum (top) speed of facing head shelves is less than low-grade maximum (top) speed；
Described main shaft mode peace capstan mode changing method is: described control station detects signal and the signal of high gear switch of low gear switch, when detecting that low-grade switching signal is " 0 " for " 1 " and high-grade switching signal, can switch to carry out main shaft mode peace capstan mode；On described control station, input " M1 " is shifted to main shaft mode or input " M2 " is shifted to facing head mode；When input value neither time " M1 " the most non-" M2 ", Digit Control Machine Tool does not carry out gear shift；When control station detects that input value is " M1 ", Digit Control Machine Tool switches to main shaft mode, the spindle swing of Digit Control Machine Tool, coordinates the first solenoid valves that main shaft mode is arranged, and when main shaft mode switching signal is " 1 ", main shaft stops swinging, shift end；When control station detects that input value is " M2 ", Digit Control Machine Tool switches to facing head mode, the spindle swing of Digit Control Machine Tool, coordinate the second solenoid valves that facing head mode is arranged, when facing head mode switch signal is " 1 ", main shaft stops swinging, shift end；
Described spindle speed changing method is: described control station detects signal and the signal of facing head mode switch of main shaft mode switch respectively, when main shaft mode switching signal is " 1 " and facing head mode switch signal is " 0 ", carry out spindle speed switching, entering spindle rotating speed S on described control station；When input value S is more than the maximum (top) speed of low grade, Digit Control Machine Tool switches to top grade, the spindle swing of Digit Control Machine Tool, high-grade the 3rd solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when high-grade switching signal is " 1 ", main shaft stops swinging, shift end；When input value S is less than the minimum speed of top grade, Digit Control Machine Tool switches to low grade, the spindle swing of Digit Control Machine Tool, low-grade the 4th solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when low-grade switching signal is " 1 ", main shaft stops swinging, shift end；When the S value of input exceeds the working range of lathe, terminating gear shift, main shaft runs with rotating speed S '；S > 0, S ' > 0.
Preferably, when described Digit Control Machine Tool carry out main shaft mode peace capstan mode switch time, main shaft mode switching signal or facing head mode switch signal cannot switch to " 1 " within the T1 time, then carry out time-out warning, terminating gear shift, the main shaft of Digit Control Machine Tool stops swinging, and lathe is out of service；T1>0.
Preferably, when described Digit Control Machine Tool carries out spindle speed switching, high-grade switching signal or low-grade switching signal cannot switch to " 1 " within the T2 time, then carry out time-out warning, terminate gear shift, and the main shaft of Digit Control Machine Tool stops swinging, and lathe is out of service； T2>0.
Preferably, in described spindle speed changing method, when the S of input is less than low-grade minimum speed, the rotating speed S ' of main shaft is low-grade minimum speed；In described spindle speed changing method, when the S of input is more than high-grade maximum (top) speed, the rotating speed S ' of main shaft is high-grade maximum (top) speed.
A kind of Digit Control Machine Tool with fixing facing head, on the milling spindle of described Digit Control Machine Tool, facing head is installed, being provided with main shaft mode switch, facing head mode switch, low gear switch and high gear switch on described Digit Control Machine Tool, described main shaft mode switch, facing head mode switch, low gear switch and high gear switch are connected to the control station of described Digit Control Machine Tool.
Preferably, described Digit Control Machine Tool includes that the first electromagnetic valve, described main shaft mode switch, control station and the first electromagnetic valve are sequentially connected with, and described first electromagnetic valve is equipped with the main shaft of described Digit Control Machine Tool.
Preferably, described Digit Control Machine Tool includes that the second electromagnetic valve, described facing head mode switch, control station and the second electromagnetic valve are sequentially connected with, and described second electromagnetic valve is equipped with described facing head.
Preferably, described Digit Control Machine Tool includes that the 3rd electromagnetic valve, described high gear switch, control station and the 3rd electromagnetic valve are sequentially connected with, and described 3rd electromagnetic valve is equipped with the main shaft of described Digit Control Machine Tool.
Preferably, described Digit Control Machine Tool includes that the 4th electromagnetic valve, described low gear switch, control station and the 4th electromagnetic valve are sequentially connected with, and described 4th electromagnetic valve is equipped with the main shaft of described Digit Control Machine Tool.
The invention provides Digit Control Machine Tool and the control method thereof of the fixing facing head of band of a kind of optimization, by by the control part cutting of Digit Control Machine Tool be main shaft mode peace capstan mode switch and spindle speed switch, utilize the signal of the main shaft mode switch being connected with control station, the signal of facing head mode switch, the mode of operation that Digit Control Machine Tool is taked by the change of the signal of the low gear switch of main shaft and the signal of main shaft height gear switch switches over, use M1 and M2 code switching main shaft mode peace capstan mode, the fiducial value using rotating speed switches spindle speed and then completes the gear shift of high and low shift, work after all of switching coordinates control to complete by corresponding electromagnetic valve, safe and reliable；The present invention is when carrying out the switching of height gear, operator is without clearly knowing the switch speed of high and low shift, the rotating speed needed when having only to understand cutting, significantly reduce the work load of operator, control simplicity, work efficiency is high and is prone to investigation problem, preferably safeguards the excellent performance of machine tool.
Accompanying drawing explanation
Fig. 1 is that the Digit Control Machine Tool of the present invention arranges main shaft mode switch, facing head mode switch, the low gear switch of main shaft and the front view structural representation of main shaft height gear switch；
Fig. 2 is the schematic flow sheet of the main shaft mode peace capstan mode changing method of the present invention；
Fig. 3 is the schematic flow sheet of the spindle speed changing method of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to this.
As it can be seen, the present invention relates to the control method of a kind of Digit Control Machine Tool with fixing facing head, described control method includes main shaft mode peace capstan mode changing method and spindle speed changing method；The control station of described Digit Control Machine Tool connects main shaft mode switch 1, facing head mode switch 2, the low gear switch of main shaft 3 and main shaft height gear switch 4；
Arranging " M1 " on described control station is the execution code being shifted to main shaft mode, and arranging " M2 " is the execution code being shifted to facing head mode；The minimum speed of low grade is set less than low-grade maximum (top) speed, high-grade minimum speed is less than high-grade maximum (top) speed, the minimum speed of facing head shelves is less than the maximum (top) speed of facing head shelves, low-grade maximum (top) speed is less than high-grade minimum speed, and the maximum (top) speed of facing head shelves is less than low-grade maximum (top) speed；
Described main shaft mode peace capstan mode changing method is: described control station detects signal and the signal of high gear switch 4 of low gear switch 3, when detecting that low gear switch 3 signal is " 0 " for " 1 " and high gear switch 4 signal, can switch to carry out main shaft mode peace capstan mode；On described control station, input " M1 " is shifted to main shaft mode or input " M2 " is shifted to facing head mode；When input value neither time " M1 " the most non-" M2 ", Digit Control Machine Tool does not carry out gear shift；When control station detects that input value is " M1 ", Digit Control Machine Tool switches to main shaft mode, and the main shaft 5 of Digit Control Machine Tool swings, and coordinates the first solenoid valves that main shaft mode is arranged, and when main shaft mode switch 1 signal is " 1 ", main shaft 5 stops swinging, shift end；When control station detects that input value is " M2 ", Digit Control Machine Tool switches to facing head mode, and the main shaft 5 of Digit Control Machine Tool swings, coordinate the second solenoid valves that facing head mode is arranged, when facing head mode switch 2 signal is " 1 ", main shaft 5 stops swinging, shift end；
Described spindle speed changing method is: described control station detects signal and the signal of facing head mode switch 2 of main shaft mode switch 1 respectively, when main shaft mode switch 1 signal is " 1 " and facing head mode switch 2 signal is " 0 ", carry out the switching of main shaft 5 speed, entering spindle 5 rotating speed S on described control station；When input value S is more than the maximum (top) speed of low grade, Digit Control Machine Tool switches to top grade, and the main shaft 5 of Digit Control Machine Tool swings, high-grade the 3rd solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when high gear switch 4 signal is " 1 ", main shaft 5 stops swinging, shift end；When input value S is less than the minimum speed of top grade, Digit Control Machine Tool switches to low grade, and the main shaft 5 of Digit Control Machine Tool swings, low-grade the 4th solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when low gear switch 3 signal is " 1 ", main shaft 5 stops swinging, shift end；When the S value of input exceeds the working range of lathe, terminating gear shift, main shaft 5 runs with rotating speed S '；S > 0, S ' > 0.
In the present invention, owing to relating to the Digit Control Machine Tool with fixing facing head, therefore mainly include two gearshift procedures: (1) spindle speed switching i.e. switching and (2) main shaft mode peace capstan mode of height gear switches.
In the present invention, when carrying out spindle speed switching, must being fulfilled for main shaft mode switch 1 signal for " 1 " and facing head mode switch 2 signal is " 0 ", the most do not allow to carry out spindle speed switching, because when facing head mode switch 2 signal is " 1 ", facing head is described the most at work, if carried out main shaft 5 speed switching may major injury facing head, reduce Digit Control Machine Tool service life.When control station detects main shaft mode switch 1 signal for " 1 ", Digit Control Machine Tool works under main shaft mode, operator has only to need the tachometer value S of the main shaft 5 of operating according to the requirement input of concrete processing, control station can judge whether to need to carry out gear shift automatically according to the real-time rotating speed of main shaft 5, when meeting gear shift requirement, i.e. S is more than low-grade maximum (top) speed and more than high-grade minimum speed and less than high-grade maximum (top) speed, or S less than high-grade minimum speed and less than low-grade maximum (top) speed and more than low-grade minimum speed time, control station judgement should be changed to high-grade or low-grade, and then carry out the adjustment of corresponding gear；Meanwhile, in order to avoid Digit Control Machine Tool is by improper operation, when the S value of input exceeds the working range of lathe, terminating gear shift, main shaft 5 runs with rotating speed S ', it is ensured that the rotating speed of main shaft 5 will not be undergone mutation, it is to avoid has influence on normal operation and the service life of Digit Control Machine Tool.When carrying out spindle speed switching, if requiring that the driving switch signal changed has been " 1 ", control station thinks that gear shift completes, if corresponding driving switch signal does not change, control station can swing by Sustainable Control main shaft 5, and then controls the solenoid valves work of corresponding gear.
In the present invention, when carrying out main shaft mode peace capstan mode and switching, owing to the range of speeds of facing head is in the low-grade range of speeds, therefore must first meet main shaft 5 in low grade, the signal of the lowest gear switch 3 is necessary for " 1 ", the signal of high gear switch 4 is " 0 ", main shaft mode peace capstan mode is not the most allowed to switch, if switching because carrying out main shaft mode peace capstan mode when the signal of high gear switch 4 is for " 1 ", mode of operation cannot be switched to facing head mode at all, switching over by force may major injury main shaft 5, reduce the service life of Digit Control Machine Tool.When determining that Digit Control Machine Tool works in low grade, the gear that input requirements switches is needed by operator, the present invention set input " M1 " be shifted to main shaft mode, input " M2 " be shifted to facing head mode, if input value is not neither M1 is the most M2, Digit Control Machine Tool is controlled not carry out gear shift by control station.When main shaft mode peace capstan mode switches, if requiring that the driving switch signal changed has been " 1 ", then gear shift completes, if corresponding driving switch signal does not change, control station can swing by Sustainable Control main shaft 5, and then controls the solenoid valves work of corresponding gear.
The control station related in the present invention can be arbitrarily devised according to above-mentioned control method by those skilled in the art, being typically designed as including can be with presetting code, numerical value can be according to the hardware item of the numerical control device of signal feedback control Digit Control Machine Tool, the method itself having no effect on the present invention.
When described Digit Control Machine Tool carry out main shaft mode peace capstan mode switch time, main shaft mode switch 1 signal or facing head mode switch 2 signal cannot switch to " 1 " within the T1 time, then carry out time-out warning, terminate gear shift, the main shaft 5 of Digit Control Machine Tool stops swinging, and lathe is out of service；T1>0.
In the present invention, in order to ensure to carry out the most for a long time insignificant gear switch, therefore set time T1, Digit Control Machine Tool carries out main shaft mode peace capstan mode when switching, in the time T1 set, if driving switch signal cannot put in place, main shaft mode switch 1 signal or facing head mode switch 2 signal cannot switch to " 1 " within the T1 time, then send corresponding gear shift time-out to report to the police, and terminate gearshift procedure, shift end, owing to time-out can trigger alarm, therefore lathe is out of service, the source of trouble is checked by operator, it is easily maintained, also can ensure while ensure that work efficiency that the service life of Digit Control Machine Tool is relatively long.
When described Digit Control Machine Tool carries out spindle speed switching, high gear switch 4 signal or low gear switch 3 signal cannot switch to " 1 " within the T2 time, then carry out time-out warning, terminate gear shift, and the main shaft 5 of Digit Control Machine Tool stops swinging, and lathe is out of service； T2>0.
In the present invention, in order to ensure to carry out the most for a long time insignificant gear switch, therefore set time T2, when Digit Control Machine Tool carries out spindle speed switching, in the time T2 set, if driving switch signal cannot put in place, high gear switch 4 signal or low gear switch 3 signal cannot switch to " 1 " within the T2 time and i.e. send the warning of corresponding gear shift time-out, and terminate gearshift procedure, shift end, owing to time-out can trigger alarm, therefore lathe is out of service, the source of trouble is checked by operator, it is easily maintained, also can ensure while ensure that work efficiency that the service life of Digit Control Machine Tool is relatively long.
In described spindle speed changing method, when the S of input is less than low-grade minimum speed, the rotating speed S ' of main shaft 5 is low-grade minimum speed；In described spindle speed changing method, when the S of input is more than high-grade maximum (top) speed, the rotating speed S ' of main shaft 5 is high-grade maximum (top) speed.
In the present invention, if the rotating speed S ' of input is less than low-grade minimum speed, being i.e. considered as the rotating speed S ' adjustable speed beyond Digit Control Machine Tool, therefore will process by low-grade minimum speed, rotating speed S ' is equal with low-grade minimum speed；And when the rotating speed S ' of input is higher than high-grade maximum (top) speed, also it is considered as the rotating speed S ' adjustable speed beyond Digit Control Machine Tool, and processing by high-grade maximum (top) speed, rotating speed S ' is equal with high-grade maximum (top) speed.The speed limit carrying out the rotating speed S ' of main shaft 5 ensure that the rotating speed of the main shaft 5 of Digit Control Machine Tool, always in normal working range, will not be undergone mutation, it is ensured that the operation of Digit Control Machine Tool is normally carried out, and will not reduce the service life of Digit Control Machine Tool because of improper operation.
A kind of Digit Control Machine Tool with fixing facing head, on the milling spindle of described Digit Control Machine Tool, facing head is installed, being provided with main shaft mode switch 1, facing head mode switch 2, low gear switch 3 and high gear switch 4 on described Digit Control Machine Tool, described main shaft mode switch 1, facing head mode switch 2, low gear switch 3 and high gear switch 4 are connected to the control station of described Digit Control Machine Tool.
In the present invention, the Digit Control Machine Tool of the fixing facing head of band have employed the gear-shifting control method of the Digit Control Machine Tool of the fixing facing head of above-mentioned band, wherein it is provided with on Digit Control Machine Tool and is connected to the main shaft mode switch 1 of control station, facing head mode switch 2, low gear switch 3 and high gear switch 4, i.e. can pass through main shaft mode switch 1, facing head mode switch 2, low gear switch 3 and high gear switch 4 in real time and feed back signal to control station and carry out follow-up gear shift work to control main shaft 5 or facing head.
Described Digit Control Machine Tool includes that the first electromagnetic valve, described main shaft mode switch 1, control station and the first electromagnetic valve are sequentially connected with, and described first electromagnetic valve is equipped with the main shaft 5 of described Digit Control Machine Tool.
Described Digit Control Machine Tool includes that the second electromagnetic valve, described facing head mode switch 2, control station and the second electromagnetic valve are sequentially connected with, and described second electromagnetic valve is equipped with described facing head.
Described Digit Control Machine Tool includes that the 3rd electromagnetic valve, described high gear switch 4, control station and the 3rd electromagnetic valve are sequentially connected with, and described 3rd electromagnetic valve is equipped with the main shaft 5 of described Digit Control Machine Tool.
Described Digit Control Machine Tool includes that the 4th electromagnetic valve, described low gear switch 3, control station and the 4th electromagnetic valve are sequentially connected with, and described 4th electromagnetic valve is equipped with the main shaft 5 of described Digit Control Machine Tool.
In the present invention, corresponding signal is fed back to the control station of Digit Control Machine Tool by main shaft mode switch 1, facing head mode switch 2, high gear switch 4 or low gear switch 3, and being controlled corresponding first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve or the 4th electromagnetic valve work by control station, the main shaft 5 or the facing head that control Digit Control Machine Tool by all means carry out gear-change operation.
In the present invention, first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve or the 4th electromagnetic valve could be arranged to control electromagnetic valve, i.e. realize switching action by concrete operating system such as hydraulic system, ensure to control is accurate, and the mode such as form of the directly electric magnet of driving can also be used to complete.
In the present invention, have employed 4 groups of different electromagnetic valves and coordinate different gears to be operated, it is ensured that gear shift effective, owing to 4 groups of electromagnetic valves are relatively independent, once certain gear shift is unsuccessful can park Digit Control Machine Tool in real time and investigate corresponding electromagnetic valve, and work efficiency is higher, safeguards the easiest.
nullThe present invention solves in prior art，Main shaft 5 gear of the Digit Control Machine Tool of the fixing facing head of band includes low grade、Top grade and facing head shelves third gear，Owing to the rotating speed of facing head is relatively low，Its velocity interval is included in the velocity interval of low grade，So rotating speed gear shift cannot directly be used，And need to use the mode performing M code，Switch machine driving by control gear-shifting solenoid valve to realize，And cause carry out height gear switching time，Require that operator clearly knows the switch speed of high and low shift，But it is in fact relatively difficult for the operator of this rotating speed needed when universal only understanding cutting，Even need the inquiry handbook when switching，Once paramnesia also can affect real work，The problem that work efficiency is relatively low，By by the control part cutting of Digit Control Machine Tool be main shaft mode peace capstan mode switch and spindle speed switch，Utilize the signal of the main shaft mode switch 1 being connected with control station、The signal of facing head mode switch 2、The mode of operation that Digit Control Machine Tool is taked by the change of the signal of the low gear switch of main shaft 3 and the signal of main shaft height gear switch 4 switches over，Use M1 and M2 code switching main shaft mode peace capstan mode，The fiducial value using rotating speed switches spindle speed and then completes the gear shift of high and low shift，Work after all of switching coordinates control to complete by corresponding electromagnetic valve，Safe and reliable；The present invention is when carrying out the switching of height gear, operator is without clearly knowing the switch speed of high and low shift, the rotating speed needed when having only to understand cutting, significantly reduce the work load of operator, control simplicity, work efficiency is high and is prone to investigation problem, preferably safeguards the excellent performance of machine tool.
Claims (4)
1. the control method of the Digit Control Machine Tool of the fixing facing head of band, it is characterised in that: described control method includes main shaft mode peace capstan mode changing method and spindle speed changing method；The control station of described Digit Control Machine Tool connects main shaft mode switch, facing head mode switch, the low gear switch of main shaft and main shaft height gear switch；
Arranging " M1 " on described control station is the execution code being shifted to main shaft mode, and arranging " M2 " is the execution code being shifted to facing head mode；The minimum speed of low grade is set less than low-grade maximum (top) speed, high-grade minimum speed is less than high-grade maximum (top) speed, the minimum speed of facing head shelves is less than the maximum (top) speed of facing head shelves, low-grade maximum (top) speed is less than high-grade minimum speed, and the maximum (top) speed of facing head shelves is less than low-grade maximum (top) speed；
Described main shaft mode peace capstan mode changing method is: described control station detects signal and the signal of high gear switch of low gear switch, when detecting that low-grade switching signal is " 0 " for " 1 " and high-grade switching signal, can switch to carry out main shaft mode peace capstan mode；On described control station, input " M1 " is shifted to main shaft mode or input " M2 " is shifted to facing head mode；When input value neither time " M1 " the most non-" M2 ", Digit Control Machine Tool does not carry out gear shift；When control station detects that input value is " M1 ", Digit Control Machine Tool switches to main shaft mode, the spindle swing of Digit Control Machine Tool, coordinates the first solenoid valves that main shaft mode is arranged, and when main shaft mode switching signal is " 1 ", main shaft stops swinging, shift end；When control station detects that input value is " M2 ", Digit Control Machine Tool switches to facing head mode, the spindle swing of Digit Control Machine Tool, coordinate the second solenoid valves that facing head mode is arranged, when facing head mode switch signal is " 1 ", main shaft stops swinging, shift end；
Described spindle speed changing method is: described control station detects signal and the signal of facing head mode switch of main shaft mode switch respectively, when main shaft mode switching signal is " 1 " and facing head mode switch signal is " 0 ", carry out spindle speed switching, entering spindle rotating speed S on described control station；When input value S is more than the maximum (top) speed of low grade, Digit Control Machine Tool switches to top grade, the spindle swing of Digit Control Machine Tool, high-grade the 3rd solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when high-grade switching signal is " 1 ", main shaft stops swinging, shift end；When input value S is less than the minimum speed of top grade, Digit Control Machine Tool switches to low grade, the spindle swing of Digit Control Machine Tool, low-grade the 4th solenoid valves arranged coordinating Digit Control Machine Tool carries out speed switching, when low-grade switching signal is " 1 ", main shaft stops swinging, shift end；When the S value of input exceeds the working range of lathe, terminating gear shift, main shaft runs with rotating speed S '；S > 0, S ' > 0.
The control method of a kind of Digit Control Machine Tool with fixing facing head the most according to claim 1, it is characterized in that: when described Digit Control Machine Tool carry out main shaft mode peace capstan mode switch time, main shaft mode switching signal or facing head mode switch signal cannot switch to " 1 " within the T1 time, then carry out time-out warning, terminate gear shift, the main shaft of Digit Control Machine Tool stops swinging, and lathe is out of service；T1>0.
The control method of a kind of Digit Control Machine Tool with fixing facing head the most according to claim 1, it is characterized in that: when described Digit Control Machine Tool carries out spindle speed switching, high-grade switching signal or low-grade switching signal cannot switch to " 1 " within the T2 time, then carry out time-out warning, terminate gear shift, the main shaft of Digit Control Machine Tool stops swinging, and lathe is out of service； T2>0.
The control method of a kind of Digit Control Machine Tool with fixing facing head the most according to claim 1, it is characterised in that: in described spindle speed changing method, when the S of input is less than low-grade minimum speed, the rotating speed S ' of main shaft is low-grade minimum speed；In described spindle speed changing method, when the S of input is more than high-grade maximum (top) speed, the rotating speed S ' of main shaft is high-grade maximum (top) speed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410207813.8A CN103991005B (en) | 2014-05-17 | 2014-05-17 | A kind of control method of the Digit Control Machine Tool with fixing facing head |
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| CN201410207813.8A CN103991005B (en) | 2014-05-17 | 2014-05-17 | A kind of control method of the Digit Control Machine Tool with fixing facing head |
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| CN1265938C (en) * | 2004-10-11 | 2006-07-26 | 李维谦 | Numerical control machine tool main shaft speed change logic control method |
| CN103252517B (en) * | 2012-02-17 | 2016-08-03 | 沈阳机床股份有限公司中捷钻镗床厂 | A kind of Movement distribution mechanism for horizontal milling and boring machine |
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