CN100445909C - Machine control apparatus capable of treating plc interface with program and treatment method thereof - Google Patents

Machine control apparatus capable of treating plc interface with program and treatment method thereof Download PDF

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Publication number
CN100445909C
CN100445909C CNB2005101356279A CN200510135627A CN100445909C CN 100445909 C CN100445909 C CN 100445909C CN B2005101356279 A CNB2005101356279 A CN B2005101356279A CN 200510135627 A CN200510135627 A CN 200510135627A CN 100445909 C CN100445909 C CN 100445909C
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mentioned
interface
control unit
plc
order
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CN1797249A (en
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成大重
金宗兑
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Dean Machine Tool Co ltd
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Doosan Infracore Co Ltd
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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
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • 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
    • 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
    • G05B2219/10—Plc systems
    • G05B2219/13—Plc programming
    • G05B2219/13032—Different menus on screen, softkeys

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Numerical Control (AREA)
  • Programmable Controllers (AREA)

Abstract

To improve user's convenience, easiness of design, and stability of the system, by easily constituting, without wiring, an I/O means for PLC for a non-sequential control command of a main operation panel of a controller for a machine tool, by processing it using a software system without using another contact and another lamp. In the controller for the machine tool capable of performing software PLC contact processing and its processing method, the non-sequential control command to be processed by a PLC is not transmitted through the regular PLC input contact, but is transmitted in a method in which it is directly inputted into a memory for the PLC through the main operation panel and a numerical control section. The control result is displayed on the main operation panel by being transmitted to the numerical control section in a preset predetermined method without using the regular PLC output contact.

Description

Available programs is carried out machine control unit and the disposal route that the PLC interface is handled
Technical field
The present invention relates to available programs and carry out machine control unit and the interface disposal route that the PLC interface is handled, especially to the I/O means on the programmable logic controller (PLC) (Programmable Logic Controller :) of lathe usefulness main operation plate (Operation Panel) hereinafter to be referred as PLC, do not use interface or pilot lamp, but handle by the service routine mode, carry out machine control unit and the disposal route that the PLC interface is handled thereby constitute the available programs that does not need to connect up.
Background technology
At present (Computer Numerical Control: computer numerical control) lathe is meant the CNC that uses, and by the automatic operation of numerical control program control, machining object is cut the equipment of operation of processing that waits.
Fig. 1 is the block diagram of existing C NC lathe with control device.
The whole action of 100 pairs of connected lathes of the control device among Fig. 1 (not shown) is controlled, and according to predefined order in the numerical control program, the action of control lathe.In addition, accept related command, and transmit relevant information from the user.
In order to import the order of subscriber-related lathe action, comprise the main operation plate of forming by input/output board 11, keyboard 12 and display unit 13 10 in the existing control device 100.And, also comprise: numerical control unit 20, the order of identification main operation plate 10, and, export a series of sequential control order by program in the program storage element (not shown); PLC30 accepts the sequential control order from numerical control unit 20, and by corresponding method sequential control (Sequential Control) is carried out in the input and output of lathe; Machinery input-output unit 40, the order of input and output PLC30 or information, and order is sent to lathe; Servo control unit 50 according to the sequential control order of above-mentioned numerical control unit 20, is controlled motors such as servo motor or Spindle Motor 60.
Here, sequential control refers to, and according to predetermined order, carries out the automatic control of a series of controlled step successively.For example, suppose that NC lathe (NC Turning Machine) processing one external diameter is 50mm, be formed with the parts of the screw thread of M20 on the internal diameter, at first, the NC lathe is fixed on rounded material on the chuck and begins processing.Be contained in the cutter of selecting roughing to use in the various cutters on the knife rest and carry out roughing processing.Finish roughing processing back chuck and stop the rotation, knife rest is then selected essence to cut and is used lathe tool.After the instrument of finishing was selected, main shaft drove the chuck rotation, and cut lathe tool by the essence that is positioned on the knife rest Working position, carried out essence and cut processing, finished the processing of external diameter 50mm.After finishing external diameter processing, in knife rest, select drill bit to be holed in the internal diameter center of machining object.After finishing boring processing, select again to be suitable for the lathe tool of internal diameter processing and to make it enter Working position, then internal diameter is processed, for the screw thread that forms M20.After finishing internal diameter processing, knife rest is selected the tap (Tap) of M20 screw thread processing usefulness, carries out tapping (tapping) processing, forms screw thread.Above-mentioned action is carried out in order automatically, sequential control that Here it is.That is, control device 100 is controlled lathe successively according to a series of control command, to any complex parts, all processes according to job procedure.
A partly shows the annexation between input/output board 11 and the PLC30 among Fig. 1, comprises the pilot lamp of the output of the various input switches that machine operation is used and demonstration lathe or PLC30 in the above-mentioned input/output board 11.
Input/output board 11 is provided with toggle switch input medias such as (Toggle), and it is connected in input interface and the output interface of PLC30, and accepts the PLC30 control command that the user is undertaken by switching manipulation.In addition, input/output board 11 is provided with pilot lamp, can show the output by the PLC30 output interface, to show the action situation of lathe.
Fig. 2 is the main operation plate synoptic diagram of existing machine control unit.
As shown in Figure 2, the main operation plate comprises, display frame 2a, English/digital input key 2b, function key 2c and operation panel 2d.Wherein, display frame 2a is corresponding to display unit 13, and English/digital input key 2b and function key 2c are corresponding to keyboard 12.Operation panel 2d is corresponding to input/output board 11, and to the various controls that the are input to PLC30 input with interfaces, undertaken by the switching manipulation on the operation panel 2d.
This switch comprises; the switch that is used for the operations such as ON/OFF, emergency stop (emergencystop) and override switch (Override) of machine operation, power supply; make the manual operation switch of main shaft with clockwise and counter clockwise direction rotation; the switch that the ON/OFF cutting oil is used is manually transferred operating switch.And the output interface of PLC30 output shows by the display elements such as pilot lamp on the operation panel 2d.
By the lathe action that above-mentioned switch carries out, be not by sequential control, in carrying out such as bolt, lathe forms a series of machinings of screw thread, but in a series of sequential control, as required, the non-sequential control order that the user sends.
For example, in machining, according to predefined procedure, current is not the time of spraying cutting oil, but the user is when judging that according to machining status needs spray cutting oil, just by switching manipulation injection cutting oil.In addition, help adding man-hour more when judging that according to machining state main shaft rotates in a counter-clockwise direction, the user can suspend processing and adjust sense of rotation, and this operation is irrelevant with processing sequence.These operations are irrelevant with predefined processing sequence, carry out true-time operation by the user.That is, in the sequential control, the user is by keyboard or touch-screen input processing sequence, and like this, by numerical control unit 20, and servocontrol is controlled by motors such as 50 pairs of servo motors of servo control unit or Spindle Motors.In addition, by numerical control unit 20 to PLC30 assign control lathe each the device order, like this, by PLC30, by mechanical input-output unit 40 to the lathe transferring command.That is, in the sequential control, issue an order to servo control unit 50 or PLC30 by numerical control unit 20.But in the control command of existing machine control unit, nonsequenced command is directly by PLC special I/O IO interface input by the user.That is,,, transmit non-sequential control order to PLC30 by the wiring of direct attended operation plate and PLC30 by the various switches on user's operating operation plate.
Usually, comprise 16 to 32 interfaces that are used for the PLC30 input and output in the input/output board 11 on the main operation plate 10.Be laid with the wiring that is equivalent to interface quantity between input/output board 11 and the PLC30, this length of arrangement wire can reach several meters.This wiring can be played the effect that the transfer path or the antenna of clutter take place in lathe and the control device thereof sometimes, thereby reduces machine tool capability, and the wiring processing has restricted Machine Tool design.
In addition, the price along with the I/O interface rises recently, and various Machine-Tool Control are installed more and more expensive with on-off element.And, this on-off element is installed on the main operation plate, make the main operation plate increasing, also be subjected to the restriction of these switches and pilot lamp in the appearance design of main operation plate.
Summary of the invention
The present invention is intended to address the above problem, it is a kind of that its purpose is to provide, to the PLC I/O on the main operation plate that is arranged on machine control unit, the service routine mode is handled and is not passed through interface, thereby save the wiring that the PLC interface is used, and the available programs of raising system reliability is carried out machine control unit and the disposal route that the PLC interface is handled.
In addition, another object of the present invention is, a kind of main operation plate structure that is provided with user interface is provided, and this user interface is used for the PLC interface of routine processes, carries out machine control unit and the disposal route that the PLC interface is handled thereby be convenient to the available programs that the user operates.
The machine control unit of the relevant control command control of the basis among the present invention lathe comprises: PLC, main operation plate, numerical control unit.
PLC is according to being accepted in execution comprises the above-mentioned relevant control command of sequential control order, and corresponding to the relevant interface corresponding order of the non-sequential control order of user, above-mentioned lathe controlled.When the main operation plate moves at above-mentioned lathe, accept at least one above-mentioned non-sequential control order, and export corresponding special interface input information from the user.
In addition, numerical control unit is converted to the corresponding order of above-mentioned interface with above-mentioned interface input information, and is sent to above-mentioned PLC.
Above-mentioned non-sequential control order comprises, the emergency stop of above-mentioned lathe is in the control of the run indicator of running status to showing above-mentioned lathe, to the control of the switch of automatically-controlled door, surmounts at least a in the control.
Above-mentioned PLC accepts and exports at least a control result to above-mentioned non-sequential control order from above-mentioned lathe, above-mentioned main operation plate is accepted corresponding to above-mentioned interface output information and can be shown to the user.At this moment, above-mentioned numerical control unit is converted to above-mentioned control result above-mentioned interface output information and outputs to above-mentioned main operation plate.
In addition, but above-mentioned numerical control unit and above-mentioned PLC preferably include the storer of input and output related data.Like this, when above-mentioned numerical control unit is sent to above-mentioned PLC with the corresponding order of above-mentioned interface, and above-mentioned PLC is when being sent to above-mentioned numerical control unit with above-mentioned control result, in above-mentioned storer, to corresponding order of above-mentioned interface and control result, indicate by default sign (Flag).
Above-mentioned PLC basis can be moved by the ladder diagram (LadderDiagram) that program is implemented from above-mentioned numerical control unit, and above-mentioned ladder diagram comprises the corresponding order of above-mentioned interface and controls the relevant information of result treatment.
Above-mentioned main operation plate comprises, input block, display unit, operation panel control module.
Input block is accepted user's above-mentioned nonsequenced command by specific input method; Display unit shows above-mentioned interface output information to the user.The operation panel control module will be converted to above-mentioned interface input information and export above-mentioned numerical control unit to by the non-sequential control order of user of above-mentioned input block input, also will output to above-mentioned display unit corresponding to the information of the above-mentioned interface output information of accepting.
Above-mentioned display unit can use at least a method in the vision or the sense of hearing, shows to the user.
Above-mentioned input block can comprise, keyboard, and can and be arranged at least a in the touch-screen on the above-mentioned input block by visuognosis.
Aforesaid operations plate control module shows the guide (Guide) that helps the user to set by above-mentioned display unit, above-mentioned guide is, accept at least one in the display packing of the above-mentioned input method of above-mentioned user's nonsequenced command and above-mentioned interface output information, can pass through above-mentioned input block then, accept the setting that the user carries out according to above-mentioned guide.
In addition, among the present invention, lathe is equipped with above-mentioned machine control unit, can save to be used to transmit the above-mentioned PLC IO interface of above-mentioned non-sequential control order with connecting up.
Another embodiment as the present invention, PLC interface disposal route in the machine control unit, be used for PLC according to the associated order control command that transmits by numerical control unit, the control lathe, and provide user interface by the main operation plate, it is characterized in that, comprising: contain in the above-mentioned specific control command process of sequential control order in execution, by the step of above-mentioned main operation plate acceptance from user's specific non-sequential control order; Above-mentioned main operation plate output is corresponding to the step of the relevant interface input information of above-mentioned non-sequential control order; Above-mentioned numerical control unit output is corresponding to the step of the corresponding order of relevant interface of the above-mentioned interface input information of accept; Above-mentioned PLC accepts the corresponding order of above-mentioned interface, and the step that above-mentioned lathe is controlled.
Machine control unit among the present invention has following advantage:
The first, the input and output of not using PLC can be carried out user's non-sequential control order with under the state of interface.
The second, existing P LC can be continued to use, and the PLC interface switch on the main operation plate can be saved, display units such as pilot lamp also can save the wiring that connects main operation plate and PLC.Like this, can eliminate wiring and handling many restrictions in the design bring, and, having eliminated the bang path of clutter, thereby can improve the reliability of system by removing wiring.
The 3rd, when PLC being handled, can operate by the user and set with program, like this, and can easy formation main operation plate, with reflection user's operating habit and form.And the dullness that is different from existing PLC output shows, can define its content when showing, like this, the user uses easily.
In addition, the change of main operation plate and various PLC control all can be passed through the upgrading simple realization of software, and can accomplish with the increase of interface, under the prerequisite of button that supplies user's practical operation on the reservation main operation plate and/or pilot lamp, do not use existing PLC interface.
Description of drawings
Fig. 1 is the block diagram of existing CNC machine control unit;
Fig. 2 is the main operation plate synoptic diagram of existing machine control unit;
Fig. 3 is the block diagram of the present invention's machine control unit;
Fig. 4 is the main operation plate synoptic diagram of the machine control unit among one of the present invention embodiment;
Fig. 5 is the display frame synoptic diagram in the main operation plate of Fig. 4;
Fig. 6 is the action flow chart of the present invention's machine control unit;
Fig. 7 is another action flow chart of the present invention's machine control unit.
The reference numeral explanation:
310: main operation plate 311: the operation panel control module
313: display unit 315: enter key
320: numerical control unit 330:PLC
340: the mechanical action input-output unit
350: servo control unit 360: servo motor
Embodiment
Below, with reference to accompanying drawing the preferred embodiment among the present invention is elaborated.
Machine control unit among the present invention comprises PLC, contains in the relevant control command process of sequential control order in execution, accepts the non-sequential control order from the user, and lathe is controlled.This non-sequential control order refers to,, and carry out in the process of equipment operation in order to reach its purpose at lathe, make the user at random control needed various command lathe according to a series of sequential control orders, it comprises, the lathe control to run indicator in service; Manually transfer control; Main shaft is manually controlled with clockwise or rotation counterclockwise; The emergency stop of equipment; The unlatching of run indicator or close; The injection beginning of cutting oil or interruption; The clamping of centre frame or unclamp; The stop of tailstock or opening; The open and close controlling of fixed gate and promptly stop etc.
In addition, to the control result of above-mentioned non-sequential control order, do not use PLC output interface of the prior art, and control and be shown to the user with program.
Machine control unit among the present invention uses existing P LC, so that the required a large amount of input/output signals of control lathe are handled, and also uses PLC in the above-mentioned operation.But, in the PLC control command of the present invention, to the I/O mode of non-sequential control order, handle with program, and do not use the interface that is directly connected to switch, like this, machine control unit among the present invention can obtain to reduce cost, and improves various effects such as reliability and simplicity of design.
At first, the machine control unit among the present invention, by display unit on the main operation plate and keyboard, acceptance is about the user command of the setting of the program aspect of PLC input and output interface state (Status).
When finding that this keyboard of setting according to the user is imported, the input interface that the control device among the present invention replaces PLC to use is sent to PLC with input information by ad hoc approach,, can replace existing P LC input interface switch that is.
In addition, the control device among the present invention, the PLC control result with non-sequential control order is presented at by means of communication in the display frame of main operation plate, and does not use other display elements such as pilot lamp of PLC interface control.
Like this, the machine control unit among the present invention uses original PLC, and can save or reduce input and the output interface of PLC.
In the following description, with the interface message of the control device among the present invention by the program generation, be called " interface input information " and " interface output information ", with corresponding to as PLC input and output interface and the interface input and the output that generate by switch, pilot lamp, LED.The interface input information is corresponding to user's non-sequential control order, and interface output information then is the object information of non-sequential control order.Here, will be called " the corresponding order of program-interface " by order and the process thereof that interface input information and interface output information are handled.
Fig. 3 is the block diagram of the machine control unit among the present invention.
As shown in Figure 3, the machine control unit among the present invention 300 comprises: main operation plate 310, numerical control unit 320, PLC330, mechanical action input-output unit 340, servo (Servo) control module 350 and servo motor (Servomotor) 360.
Main operation plate 310 can carry out communication with numerical control unit 320 by relevant communications protocol, accepts user's control commands and is sent to numerical control unit 320.In addition, main operation plate 310 is accepted the output of numerical control unit 320, and the image corresponding with it is shown to the user, thereby can make the user monitor the state of lathe in real time.
Main operation plate 310 is accepted the corresponding setting of ordering of program-interface that the user uses about direct control PLC330, when input is set, sends it to numerical control unit 320.
Main operation plate 310 comprises operation panel control module 311, display unit 313, keyboard 315.According to specific embodiment, also can comprise input/output board (not shown).
Display unit 310 can use cathode ray tube (CRT), popular LCD, thin film transistor (TFT) (TFT) LCD and Organic Light Emitting Diode displays such as (Organic Light Emitting Diodes:OLED), and accept the output of operation panel control module 311 and show, confirm for the user.
In addition, display unit 313 can comprise touch-screen (Touch screen) function.
Comprise monitor message by display unit 313 content displayed, when the user will set and import relevant control command and the corresponding order of program-interface, show various guide informations, help the user the various state of a controls of lathe.
Operation panel control module 311 sends the various control commands of user by keyboard 315 inputs to numerical control unit 320.
When the user needed the corresponding order of setting program-interface, the guide information that operation panel control module 311 assists user in operation by display unit 313 outputs carried out the setting of the corresponding order of program-interface to help the user.
Operation panel control module 311 makes the particular key input corresponding with the interface input information for the processing of the routine interface input information that carries out nonsequenced command.Like this, when this key of operation, will send numerical control unit 320 to corresponding to the interface input information of above-mentioned key.This key that is designated as non-sequential control order preferably uses the independent function key in the keyboard 315.
In addition, operation panel control module 311 is accepted the control result of PLC330 about non-sequential control order from numerical control unit 320, i.e. interface output information, and be shown to the user by display unit 313.At this moment, operation panel control module 311 is display interface not only, the various information of also concrete demonstration.
Keyboard 315 can comprise the function key (Function Key) of some as the device of accepting from the various control commands of comprising of user of non-sequential control order.
Among one of the present invention embodiment, be that example is illustrated with keyboard 315, but the present invention is not limited to this, can uses mouse, manipulation knob (Jog shuttle), other have/radio interface, as long as can attended operation plate control module 311 and user.
Machine control unit 300 among the present invention can IO interface to PLC330 in, by keyboard 315 or the directly actuated non-sequential control order of touch-screen and its result, all the corresponding order of service routine-interface is handled by the user.But according to specific embodiment, the special interface in this PLC IO interface can use existing mode.At this moment, main operation plate 310 can comprise input/output board.
Those interfaces of PLC330 are handled by the corresponding order of program-interface, or used existing mode to handle, can decide according to user's operation convenience and custom.
Numerical control unit 320 is controlled by the whole action of PLC330 and 350 pairs of lathes of servo control unit according to default numerical control program, and uses relevant communications protocol to carry out and the communication of 310 of main operation plates, to accept and to send related command.In addition, by comprising the ad hoc approach of the common means of communication, carry out and PLC330 between exchanges data.
Numerical control unit 320 is according to relevant numerical control program, to PLC330 sending order control command, accepts the control result relevant with this control and handles from PLC330, exports display unit 313 then to.And numerical control unit 320 is to the relevant control command of servo control unit 350 output, thereby servo motor is controlled.
When numerical control unit 320 in order to carry out the corresponding process of commands of program-interface, operate by the user, when operation panel control module 311 is accepted the interface input information, confirm by the non-sequential control order of having set, and the corresponding order of interface of correspondence is exported to PLC330.
In addition, numerical control unit 320 is accepted the relevant control result by PLC330 control lathe (not shown) according to the corresponding order of interface, and generates corresponding interface output information and send to main operation plate 310.
In order to make numerical control unit 320 accept the control result to the corresponding order of PLC330 transmission interface and from PLC330, numerical control unit 320 and PLC330 can use shared storage (not shown).
Numerical control unit 320 and PLC330 distribute to the relevant position in the shared storage (not shown) corresponding order of interface and control result's demonstration, this memory value (to call sign (Flag) in the following text) is managed, thereby can send and accept the corresponding information of ordering of relevant procedures-interface.
According to another embodiment, numerical control unit 320 can be ordered to PLC330 transmission interface correspondence by general communication, and PLC330 is stored in the specific internal storage (not shown), thereby handles as the interface input of having set.Equally, will send numerical control unit 320 to by means of communication, can handle the corresponding order of the program among the present invention-interface for the control result of the corresponding order of interface.
PLC330 inside comprises IO interface branch storer (not shown) and shared storage (not shown), and carries out working control by the action of 340 pairs of lathes of mechanical action input-output unit (not shown).In order to control, PLC330 and numerical control unit 320 carry out communication by the particular communication agreement, and accept the associated order control command from numerical control unit 320.
In addition, PLC330 accepts user's non-sequential control order in real time by main operation plate 310, and lathe (not shown) is controlled.At this moment, PLC330 reads the sign in the shared storage (not shown), will be sent to mechanical action input-output unit 340 corresponding to the control command of the corresponding order of the interface in the numerical control unit 320.
PLC330 to the operation (for example emergency stop) by the corresponding command process of program-interface, does not read the storing value that common IO interface is used in the control command that will carry out, but reads sign and execution that numerical control unit 320 transmits.Like this, during the ladder diagram of establishment PLC330 execution, the user sets for, and PLC330 reads sign, rather than inner IO interface storing value, makes the corresponding operation of the corresponding order of its handling procedure-interface.
Mechanical action input-output unit 340 comprises, mechanical action input block 341 and mechanical action output unit 343.
Mechanical action input block 341 is accepted the control result of lathe (not shown) and is sent to PLC330.
Mechanical action output unit 343 is accepted the control command of PLC330 and is controlled lathe (not shown) and carry out corresponding action.
Servo control unit 350 links to each other with servo motor 360, and according to the control of numerical control unit 320, servo motor 360 is controlled.
In the above-described embodiments, operation panel control module 311 and numerical control unit 320 in the main operation plate 310 are set respectively, also the functional packet of operation panel control module 311 can be contained in the numerical control unit 320.
Has the machine control unit among the present invention of above-mentioned formation, the order of its numerical control device 320 identification main operation plates 310, and, carry out the lathe action command according to contents of program, and PLC330 carries out non-sequential control order according to the corresponding order of program-interface of numerical control unit 320.
In the corresponding order of program-interface, for the input of control command, the user imports by the key on the keyboard 315.As another embodiment, image that shows in the display unit 313 of main operation plate 310 and the enter key on the keyboard 315 can use.
In the corresponding order of program-interface, existingly be used to show that the pilot lamp of controlling the result or other display elements are corresponding to the figure on the display unit 313.
The user can use main operation plate 310, and user's setting is carried out in the corresponding order of program-interface that is equivalent to non-sequential control order.Comprise in user's setting content that the relative keys appointment is carried out in corresponding order to relative program-interface on keyboard 315, and the display packing of display unit 313 etc.This setting can be used default default setting, or sets at any time according to user's operator scheme or custom.
After finishing setting, the user does not need to operate with existing switch, the substitute is, and operates by the key on the operation keyboard 315, or utilizes cursor (Cursor) on 315 pairs of display units 313 of keyboard to carry out move operation and finish control.
The method of the non-sequential control order that corresponding order of this setting program-interface and execution are corresponding with it is so long as the professional of the technical field of the invention can carry out various distortion to it.Used sign in embodiments of the present invention, also can the periodical information between numerical control unit 320 and the PLC330 have been confirmed, carried out the corresponding order of corresponding program-interface by the various means of communication.
Below, with reference to Fig. 4 the user interface method of attachment of the corresponding order of program-interface is elaborated.
Fig. 4 is the main operation plate synoptic diagram of the machine control unit among one of the present invention embodiment.
Main operation plate 310 among Fig. 4 can provide multiple user interfaces, and it is used for usual control and monitoring means to lathe, and when line operate is gone forward side by side in the corresponding order of setting program-interface, provides convenience.Main operation plate 310 among Fig. 4 is that the basis describes with Fig. 3 corresponding to the main operation plate 310 of the machine control unit among Fig. 3 300 here.
Display frame 4a among Fig. 4 is corresponding to display unit 313, and enter key 4b, function key 4c and operation panel 4d are corresponding to keyboard 315.
As shown in Figure 4, when being provided with independent operation panel 4d, also can omit most of switch and display unit.Just, be convenient to operation, in operation panel 4d, can stay MIN switch in order to make the user.
Switch on this operation panel 4d can be handled by the corresponding order of program-interface, also can use present interfaces.Power switch, emergency stop switch and override switch etc. can be arranged on the operation panel 4d.
Display frame 4a among the present invention shows, goes up various switches and the switch (to call " software switch " in the following text) of pilot lamp and the figure of pilot lamp corresponding to existing operation panel 2d among Fig. 2.Can use having of this software switch, operation indicator light switch, power-operated door open and close gauge tap, centre frame gauge tap, cutter correction switch etc.
Operation panel control module 311 forms correspondence with each function key 4 and software switch, on one side make the user observe software switch image on the display frame 4a, Yi Bian carry out the function key operation.It is not necessary that but display frame 4a goes up software for display switch image.
According to another embodiment, if can't make each software switch and function key 4c one by one at once, the cursor that the part software switch can use enter key 4b to move on the display frame 4a is operated.
According to another embodiment, display frame 4a has touch screen function, and alternative functions key 4c plays on-off action.
In addition, various LED or pilot lamp on the existing operation panel 2d among Fig. 2 are presented on the display frame 4a in the present invention's of Fig. 4 main operation plate 310.And display frame 4a can constitute, and is different from the special-purpose picture of program PLC interface of common displaying contents.
As shown in Figure 4, comprise the corresponding order of program-interface of software switch and function key 4c corresponding relation, can set by the associated guideline on the display unit 313.
Fig. 5 is the display frame synoptic diagram of the main operation plate of Fig. 4.
5a represents in the display frame, and the user is set at the open and close controlling switch of run indicator with function key ' F1 ', and ' F2 ' is set at the automatically-controlled door gauge tap.Like this, the user can pass through F1 key opening and closing run indicator, also by pressing the F2 key repeatedly, the control automatically-controlled door.Certainly, the user can change this key assignments at any time.
In addition, the 5b in the display frame represents, chuck clamps (Chuck clamp) and lower end gear (Gear) is not specified independent key, but regulate by the cursor in the display frame.
In addition, the control result of this user's control as the 5c in the display frame, represents that the part of correlation behavior is pointed out by methods such as change color or flickers by the display unit 313 that PLC330 is sent to main operation plate 310.
Fig. 6 is the action flow chart of the machine control unit among the present invention, shows the implementation of non-sequential control order.
Below, with reference to Fig. 3 to Fig. 6, the action of the machine control unit among the present invention is described.
In the lathe operational process, the operation panel control module 311 on the main operation plate 310 is accepted user's non-sequential control order by keyboard 315.Before accepting non-sequential control order, the user can set the user interface that is used to import non-sequential control order.In addition, operation panel control module 311 can show the associated guideline (Guide) that helps the user to set the interface by display unit 313.
Operation panel control module 311 sends the interface input information of having set (S603) corresponding to non-sequential control order to numerical control unit 320.
After numerical control unit 320 is accepted the interface input information,, identify user's non-sequential control order by the relevant interface input information is analyzed, and to the corresponding order of PLC330 output interface.The output of the corresponding order of interface is carried out (S605) by the method that the correlating markings on the shared storage (not shown) is indicated.
PLC330 reads the shared storage content in the implementation of the relevant control command that comprises a series of sequential control orders, to confirm to have or not the corresponding order of interface.Confirm the result, as have the corresponding order of interface, PLC330 sends to the control command corresponding with it in mechanical action output unit 343, thereby carries out the action (S607) relevant with the non-sequential control order of user.
Like this, carry out user's non-sequential control order at PLC330.
Fig. 7 is another action flow chart of the machine control unit among the present invention, is for the control of non-sequential control order procedure for displaying as a result.
By the method for Fig. 6, user's relevant non-sequential control order is after lathe is carried out, and PLC330 accepts the control result by mechanical action input block 341, and transmits above-mentioned control result to numerical control unit.Control result's transmission is carried out (S701) by the method that the correlating markings on the shared storage is indicated.
Whether numerical control unit 320 is read the shared storage content, indicate to confirm the control result.Confirm the result, as there being the control result, numerical control unit 320 is to the corresponding interface output information (S703) of main operation plate 310 outputs.
The operation panel control module 311 of main operation plate 310 shows (S705) by the corresponding default specific control result of the interface output information of 313 pairs of acceptance of display unit.
By said method, the machine control unit among the present invention moves, and the result of user's non-sequential control order is shown.
In the above description, the present invention's preferred embodiment is illustrated, but the present invention is not limited in above-mentioned specific embodiment, this area professional can carry out various distortion to it in the technology of the present invention thought range.

Claims (14)

1, a kind of machine control unit comprises: import the main operation plate of various machinings with setting value for the user; According to the setting value of accepting from above-mentioned main operation plate, export a series of numerical control units that are used for the sequential control order of machining; Accept the sequential control order from above-mentioned numerical control unit, and motor is carried out servo-controlled servo control unit by corresponding method; Accept the sequential control order from above-mentioned numerical control unit, and the PLC that the input and output of lathe is controlled by corresponding method; The order of the above-mentioned PLC of input and output or information, and transmit the mechanical input-output unit of order to lathe, described machine control unit is characterized in that:
Above-mentioned main operation plate is accepted at least one non-sequential control order from the user in above-mentioned lathe operational process, and the special interface input information of correspondence is sent to above-mentioned numerical control unit;
Above-mentioned numerical control unit is converted to the corresponding order of specific interface with above-mentioned interface input information, and is sent to above-mentioned PLC;
Above-mentioned PLC accepts the corresponding order of above-mentioned interface, and above-mentioned lathe is controlled.
2, machine control unit according to claim 1 is characterized in that above-mentioned non-sequential control order comprises:
The emergency stop of above-mentioned lathe; Control to the run indicator that shows above-mentioned lathe running status; To the open and close controlling of fixed gate and surmount control; Manually transfer movement control; The injection beginning of cutting oil or interruption; The clamping of centre frame or unclamp; The stop of tailstock or opening; The open and close controlling of fixed gate reaches and promptly stops.
3, machine control unit according to claim 1 is characterized in that:
Above-mentioned PLC from above-mentioned lathe accept and output at least a control result of above-mentioned non-sequential control order;
Above-mentioned numerical control unit is accepted the control result from above-mentioned PLC, and is converted into corresponding interface output information and outputs to above-mentioned main operation plate;
Above-mentioned main operation plate is accepted above-mentioned interface output information, and is shown to the user.
4, as machine control unit as described in the claim 3, it is characterized in that:
Above-mentioned numerical control unit and above-mentioned PLC further comprise can the input and output related data storer;
Above-mentioned numerical control unit is sent to above-mentioned PLC with the corresponding order of above-mentioned interface, and above-mentioned PLC with the process that above-mentioned control result is sent to above-mentioned numerical control unit is, in above-mentioned storer,, indicate by the sign of having set to corresponding order of above-mentioned interface and control result.
5, as machine control unit as described in the claim 3, it is characterized in that:
Above-mentioned PLC is according to can moving by the particular trapezium figure that program is implemented of accepting from above-mentioned numerical control unit;
Above-mentioned ladder diagram comprises corresponding order of above-mentioned interface and control result treatment information.
6, as machine control unit as described in the claim 3, it is characterized in that above-mentioned main operation plate comprises:
Input block is accepted user's above-mentioned non-sequential control order by specific input method;
Display unit shows the above-mentioned interface output information of acceptance to the user;
The operation panel control module, to be converted to above-mentioned interface input information and export above-mentioned numerical control unit to by the non-sequential control order of user of above-mentioned input block input, and, will with the pairing information of accepting of above-mentioned interface output information, output to above-mentioned display unit.
7, as machine control unit as described in the claim 6, it is characterized in that:
Above-mentioned display unit uses at least a method in the vision or the sense of hearing, shows to the user.
8, as machine control unit as described in the claim 6, it is characterized in that above-mentioned input block comprises:
Keyboard and can and be arranged at least a in the touch-screen on the above-mentioned input block by visuognosis.
9, as machine control unit as described in the claim 6, it is characterized in that:
Aforesaid operations plate control module shows the guide that helps the user to set by above-mentioned display unit, and described guide is to accept the above-mentioned input method of above-mentioned user's nonsequenced command and at least one in the above-mentioned interface output information display packing;
By above-mentioned input block, accept the setting that the user carries out according to above-mentioned guide.
10, a kind of lathe is characterized in that:
Claim 1 or 3 described machine control units are installed, and remove the wiring that the above-mentioned PLC IO interface be used to carry out above-mentioned non-sequential control order is used.
11, a kind of PLC interface disposal route of machine control unit, is controlled lathe, and is provided user interface by the main operation plate by the sequential control order that numerical control unit transmits according to PLC, it is characterized in that, may further comprise the steps:
Contain in the specific control command process of sequential control order in execution, by the step of above-mentioned main operation plate acceptance from user's specific non-sequential control order;
Above-mentioned main operation plate output is corresponding to the step of the special interface input information of above-mentioned non-sequential control order;
Above-mentioned numerical control unit is exported the step with the corresponding order of being accepted of the corresponding special interface of above-mentioned interface input information;
Above-mentioned PLC accepts the corresponding order of above-mentioned interface, and the step that above-mentioned lathe is controlled.
12, as the PLC interface disposal route of machine control unit as described in the claim 11, it is characterized in that, further comprising the steps of:
Above-mentioned PLC from above-mentioned lathe accept and output at least a control result's of above-mentioned non-sequential control order step;
Above-mentioned numerical control unit is accepted the control result from above-mentioned PLC, and the step of output corresponding interface output information;
Above-mentioned main operation plate is accepted above-mentioned interface output information, and will be shown to user's step corresponding to above-mentioned control result's content.
13, as the PLC interface disposal route of machine control unit as described in the claim 12, it is characterized in that:
Above-mentioned numerical control unit is exported the step of the corresponding order of above-mentioned interface, and at least one step that above-mentioned PLC exports in above-mentioned control result's the step is, in specific memory,, use the sign of having set to indicate to corresponding order of above-mentioned interface and control result.
14, as the PLC interface disposal route of machine control unit as described in the claim 12, it is characterized in that, further comprising the steps of:
Show that to the user step of guide, described guide are about at least one the setting the method for accepting above-mentioned nonsequenced command from the user and the above-mentioned interface output information display packing;
The step that the user sets according to above-mentioned guide input.
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KR101500748B1 (en) * 2008-12-15 2015-03-09 두산인프라코어 주식회사 Numerical control system
CN101819419B (en) * 2009-02-27 2011-12-07 郑州紫辰科技开发有限公司 Active plc intelligent liquid crystal display
CN101846980B (en) * 2009-09-01 2013-11-13 中广核工程有限公司 Method and system for converting logic diagram into sequence diagram
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JP5073850B1 (en) * 2011-07-26 2012-11-14 ファナック株式会社 Numerical control device for machine tool with sound converter
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DE102013216740A1 (en) * 2013-08-23 2015-02-26 Robert Bosch Gmbh Operating device, control device and installation of automation technology
CN105022349A (en) * 2015-08-26 2015-11-04 武汉华中数控股份有限公司 Bus type numerical control apparatus with touch panel
CN105807723A (en) * 2016-05-19 2016-07-27 广州亿图自动控制系统有限公司 Multi-channel lathe control system
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CN114488954A (en) * 2021-12-20 2022-05-13 安徽环球传动科技有限公司 Flexible machine tool control system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1046987A (en) * 1989-04-24 1990-11-14 横河电机株式会社 Programmable Logic Controller
CN1105760A (en) * 1994-01-06 1995-07-26 上海机械高等专科学校 Non-programming sequence controller
JPH08249024A (en) * 1995-03-14 1996-09-27 Omron Corp Programmable controller
JPH08339220A (en) * 1995-06-14 1996-12-24 Sekisui Chem Co Ltd Nc controller for machine tool
JPH11259117A (en) * 1998-03-10 1999-09-24 Mitsubishi Electric Corp Method and device for numerical control
JPH11338515A (en) * 1998-05-26 1999-12-10 Matsushita Electric Works Ltd Programmable controller and programmable controller system using the same
US20040138774A1 (en) * 2002-12-26 2004-07-15 Fanuc Ltd. Numerical controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1046987A (en) * 1989-04-24 1990-11-14 横河电机株式会社 Programmable Logic Controller
CN1105760A (en) * 1994-01-06 1995-07-26 上海机械高等专科学校 Non-programming sequence controller
JPH08249024A (en) * 1995-03-14 1996-09-27 Omron Corp Programmable controller
JPH08339220A (en) * 1995-06-14 1996-12-24 Sekisui Chem Co Ltd Nc controller for machine tool
JPH11259117A (en) * 1998-03-10 1999-09-24 Mitsubishi Electric Corp Method and device for numerical control
JPH11338515A (en) * 1998-05-26 1999-12-10 Matsushita Electric Works Ltd Programmable controller and programmable controller system using the same
US20040138774A1 (en) * 2002-12-26 2004-07-15 Fanuc Ltd. Numerical controller

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