CN105182911A - Reconstructed PLC numerical control system application in numerical control machine tool - Google Patents
Reconstructed PLC numerical control system application in numerical control machine tool Download PDFInfo
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- CN105182911A CN105182911A CN201510595379.XA CN201510595379A CN105182911A CN 105182911 A CN105182911 A CN 105182911A CN 201510595379 A CN201510595379 A CN 201510595379A CN 105182911 A CN105182911 A CN 105182911A
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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
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
- G05B19/4142—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by the use of a microprocessor
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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
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36573—X, y, z and tooloffset values or direction values
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Numerical Control (AREA)
Abstract
The invention relates to a reconstructed PLC numerical control system application in a numerical control machine tool. The reconstructed PLC numerical control system application in a numerical control machine tool comprises a PLC controller, a main shaft pulse generator, a Z-direction driver, a Z-direction stepping motor, an X-direction driver, an X-direction stepping motor and a tool rest, wherein the main shaft pulse generator is arranged on and is connected with the PLC controller; the main shaft pulse generator generates a threading pulse; the threading pulse accesses the input end of the PLC controller through a gate circuit, and a required pulse of lead can be obtained through frequency conversion of the PLC controller; the Z-direction driver is arranged on and is connected with the Z-direction stepping motor; and the PLC controller is connected with the Z-direction driver through a start-stop control signal and a Z-direction pulse signal and through the Z-direction pulse generator. The reconstructed PLC numerical control system application in a numerical control machine tool takes the PLC as the numerical control system of the machine tool, and has the advantages of being low in cost, being simple in system, and being convenient for adjustment so that the reconstructed PLC numerical control system application in a numerical control machine tool can be widely applied.
Description
Technical field
The present invention relates to the PLC CNC control application technical field transformed in numerically-controlled machine, particularly relate to the PLC CNC control application transformed in a kind of numerically-controlled machine.
Background technology
PLC applies widely in the equipment of machine-building controls, but in NC Improvement on Common Lathe, makes the core component of digital control system or a new problem with PLC.Along with PLC technology, function are constantly perfect, this will be a kind of development trend.
The PLC digital control system control principle design of lathe
The operation requirements of lathe
Lathe generally processes rotary surface, screw thread etc.Require that its action is generally X, Z-direction F.F., work are entered, rewind.Can carry out in process automatically, manually, the conversion such as turning and cutting thread; And can single-step operation be carried out.
The problem that PLC digital control system need solve: the operating process more complicated of lathe, and PLC is generally only applicable to the sequential control of action.PLC to be used for control lathe action, three problems must be solved: 1) how produce the coordination driving the signal of servo control mechanism and X, Z-direction action; 2) feed system speed how is changed; 3) how cutting thread realizes the change of interior contact transmission and lead.The present invention is by PLC and control module thereof and the combination of corresponding executive component, and these problems are soluble.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing the PLC CNC control application transformed in a kind of numerically-controlled machine.
The present invention is achieved through the following technical solutions: the PLC CNC control application transformed in a kind of numerically-controlled machine, comprise PLC, main shaft pulser, Z-direction driver, Z-direction stepper motor, X is to driver, X is to stepper motor and knife rest, described PLC is connected with main shaft pulser, described main shaft pulser produces cutting thread pulse, described cutting thread pulse is by the input end of gate circuit access PLC, the pulse of required helical pitch is obtained through PLC frequency conversion, described Z-direction stepper motor is connected with Z-direction driver, described PLC is connected with Z-direction driver through Z-direction pulse producer with Z-direction pulse signal by start-stop control signal, described PLC is connected with Z-direction driver by rotating control signal, described X is connected with X to driver on stepper motor, described PLC is connected to driver to pulse producer with X to pulse signal through X with X by start-stop control signal, described PLC is connected to driver with X by rotating control signal, described PLC rotates forward control signal by knife rest and is connected with knife rest respectively with knife rest reverse control signal, described PLC inside is provided with PLC digital control system, described PLC digital control system comprises manual process, auto-programming, one-step program and cutting thread program, described manual process, auto-programming, the selection of one-step program and cutting thread program adopts jump instruction to realize,
If close X12, disconnect X13, X14 and X15, pointer, to P3 place, performs manual process; If X12 disconnects, X13 closes, and program skips manual process, and pointer, to P0 place, performs auto-programming; If X13 disconnects, X14 closes, and program skips manual process and auto-programming, and pointer, to P1 place, performs one-step program; If X14 disconnects, X15 closes, and program skips manual process, auto-programming and one-step program, and pointer, to P2 place, performs cutting thread program.
As preferably, described under execution manual process state, connect by X0, Y1, perform and start preparation; By X2, auxiliary relay M0 connects, and by T63 timing and Y2 contact combination, produces the pulse signal (i is timing time, sets as required, and unit is ms) that frequency is 103/2i, drives Z-direction F.F.; When pressing X3 (M0 disconnection), M1 connects, and M1 and timer T32 combines Y2 is produced pulse (j>i) that frequency is 103/2j, is exported, realize work and enter by Y2; When pressing X4, M0, Y3 connect simultaneously, and motor reverses fast, realize rewind.
As preferably, described PLC is provided with display screen and control knob.
As preferably, described PLC is provided with pilot lamp and alarm.
As preferably, described PLC is provided with several signal connecting interfaces.
As preferably, described PLC is provided with USB.
The application of numerically controlled lathe of the present invention in China's machinery manufacturing industry develops rapidly, but high-precision numerical control machine is expensive, and in actual production, having the part that a large amount of shape is not too complicated, accuracy requirement is general, this just needs the lathe in machining that precision is general.Meanwhile, the existing engine lathe available in a large number of China, carrying out numerical control transformation to these lathes is the effective way of enhancing productivity with few investment, increasing the benefit.NC Latheization transformation in the past be Z80,8031 chips make the core component of digital control system, its price is more expensive and system is more complicated.By the digital control system of PLC as lathe, there are the advantages such as cost is low, system is simple, easy to adjust, will be used widely.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings;
Fig. 1 is digital control system schematic diagram of the present invention;
Fig. 2 is digital control system I/O connection layout of the present invention;
Fig. 3 is the total program structure diagram of digital control system of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention; Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
As Figure 1-3, the present invention relates to the PLC CNC control application transformed in a kind of numerically-controlled machine, comprise PLC, main shaft pulser, Z-direction driver, Z-direction stepper motor, X is to driver, X is to stepper motor and knife rest, described PLC is connected with main shaft pulser, described main shaft pulser produces cutting thread pulse, described cutting thread pulse is by the input end of gate circuit access PLC, the pulse of required helical pitch is obtained through PLC frequency conversion, described Z-direction stepper motor is connected with Z-direction driver, described PLC is connected with Z-direction driver through Z-direction pulse producer with Z-direction pulse signal by start-stop control signal, described PLC is connected with Z-direction driver by rotating control signal, described X is connected with X to driver on stepper motor, described PLC is connected to driver to pulse producer with X to pulse signal through X with X by start-stop control signal, described PLC is connected to driver with X by rotating control signal, described PLC rotates forward control signal by knife rest and is connected with knife rest respectively with knife rest reverse control signal, described PLC inside is provided with PLC digital control system, described PLC digital control system comprises manual process, auto-programming, one-step program and cutting thread program, described manual process, auto-programming, the selection of one-step program and cutting thread program adopts jump instruction to realize,
If close X12, disconnect X13, X14 and X15, pointer, to P3 place, performs manual process; If X12 disconnects, X13 closes, and program skips manual process, and pointer, to P0 place, performs auto-programming; If X13 disconnects, X14 closes, and program skips manual process and auto-programming, and pointer, to P1 place, performs one-step program; If X14 disconnects, X15 closes, and program skips manual process, auto-programming and one-step program, and pointer, to P2 place, performs cutting thread program.
Described under execution manual process state, connect by X0, Y1, perform and start preparation; By X2, auxiliary relay M0 connects, and by T63 timing and Y2 contact combination, produces the pulse signal (i is timing time, sets as required, and unit is ms) that frequency is 103/2i, drives Z-direction F.F.; When pressing X3 (M0 disconnection), M1 connects, and M1 and timer T32 combines Y2 is produced pulse (j>i) that frequency is 103/2j, is exported, realize work and enter by Y2; When pressing X4, M0, Y3 connect simultaneously, and motor reverses fast, realize rewind.
Described PLC is provided with display screen and control knob.
Described PLC is provided with pilot lamp and alarm.
Described PLC is provided with several signal connecting interfaces.
Described PLC is provided with USB.
In sum, the control principle of digital control system of the present invention: knife rest, X, Z-direction feeding are changed into numerical control and control by NC Improvement on Common Lathe work exactly.According to reforming character, servoelement adopts stepper motor, carries out open-loop control system and just can meet the demands.Z-direction pulse equivalency gets 0.01mm, and X gets 0.005mm to pulse equivalency.Select the PLC of transistor output type.Driving Stepping Motor pulse signal, by generation of programming, produces different frequency pulse by program and realizes speed change.X, Z-direction action are by input manual operation or procedure auto-control.The pulse signal of cutting thread is produced by main shaft pulser, by AND circuit access PLC input end, obtains the pulse of required helical pitch through the frequency conversion of PLC program.Knife rest transposition, lathe tool forward and back can by programmed control manually or automatically.
PLC input, output (I/O) are counted and are determined:
Designed lathe operation is: starting point is always stopped, Z, X enter to F.F., work, rewind; Knife rest forward and backward; Manually, automatically, single step, cutting thread conversion.Therefore, input needs 14 points.Must export according to Fig. 1 and need 9 points.
The selection of manually, automatically, single step, cutting thread program adopts jump instruction to realize.If close, X12(X13, X14, X15 disconnect), its normally closed disconnection, performs manual process; If X12 disconnects, on X13 is complete, program skips manual process, and pointer, to P0 place, performs auto-programming;
Manual process ladder design
Manual process, auto-programming only need to enter for Z-direction F.F., work here according to concrete Element Design, the action of rewind is illustrated.Under execution manual process state, connect by X0, Y1, perform and start preparation.By X2, auxiliary relay M0 connects.By T63 timing and Y2 contact combination, produce the pulse signal (i is timing time, sets as required, and unit is ms) that frequency is 103/2i, drive Z-direction F.F..When pressing X3 (M0 disconnection), M1 connects, and M1 and timer T32 combines Y2 is produced pulse (j>i) that frequency is 103/2j, is exported, realize work and enter by Y2.When pressing X4, M0, Y3 connect simultaneously, and motor reverses fast, realize rewind.
The application of numerically controlled lathe in China's machinery manufacturing industry develops rapidly, but high-precision numerical control machine is expensive, and in actual production, have the part that a large amount of shape is not too complicated, accuracy requirement is general, and this just needs the lathe in machining that precision is general.Meanwhile, the existing engine lathe available in a large number of China, carrying out numerical control transformation to these lathes is the effective way of enhancing productivity with few investment, increasing the benefit.NC Latheization transformation in the past be Z80,8031 chips make the core component of digital control system, its price is more expensive and system is more complicated.By the digital control system of PLC as lathe, there are the advantages such as cost is low, system is simple, easy to adjust, will be used widely.
The standardized element that the present invention uses all can be commercially, shaped piece all can carry out customized according to instructions with the record of accompanying drawing, the concrete connected mode of each part all adopts the conventional means such as bolt, rivet, welding ripe in prior art, machinery, part and equipment all adopt in prior art, conventional model, add that circuit connects and adopt connected mode conventional in prior art, be not described in detail in this.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the PLC CNC control application transformed in a numerically-controlled machine, it is characterized in that, comprise PLC, main shaft pulser, Z-direction driver, Z-direction stepper motor, X is to driver, X is to stepper motor and knife rest, described PLC is connected with main shaft pulser, described main shaft pulser produces cutting thread pulse, described cutting thread pulse is by the input end of gate circuit access PLC, the pulse of required helical pitch is obtained through PLC frequency conversion, described Z-direction stepper motor is connected with Z-direction driver, described PLC is connected with Z-direction driver through Z-direction pulse producer with Z-direction pulse signal by start-stop control signal, described PLC is connected with Z-direction driver by rotating control signal, described X is connected with X to driver on stepper motor, described PLC is connected to driver to pulse producer with X to pulse signal through X with X by start-stop control signal, described PLC is connected to driver with X by rotating control signal, described PLC rotates forward control signal by knife rest and is connected with knife rest respectively with knife rest reverse control signal, described PLC inside is provided with PLC digital control system, described PLC digital control system comprises manual process, auto-programming, one-step program and cutting thread program, described manual process, auto-programming, the selection of one-step program and cutting thread program adopts jump instruction to realize,
If close X12, disconnect X13, X14 and X15, pointer, to P3 place, performs manual process; If X12 disconnects, X13 closes, and program skips manual process, and pointer, to P0 place, performs auto-programming; If X13 disconnects, X14 closes, and program skips manual process and auto-programming, and pointer, to P1 place, performs one-step program; If X14 disconnects, X15 closes, and program skips manual process, auto-programming and one-step program, and pointer, to P2 place, performs cutting thread program.
2. the PLC CNC control application transformed in a kind of numerically-controlled machine according to claim 1, is characterized in that, described under execution manual process state, connects, perform and start preparation by X0, Y1; By X2, auxiliary relay M0 connects, and by T63 timing and Y2 contact combination, produces the pulse signal (i is timing time, sets as required, and unit is ms) that frequency is 103/2i, drives Z-direction F.F.; When pressing X3 (M0 disconnection), M1 connects, and M1 and timer T32 combines Y2 is produced pulse (j>i) that frequency is 103/2j, is exported, realize work and enter by Y2; When pressing X4, M0, Y3 connect simultaneously, and motor reverses fast, realize rewind.
3. the PLC CNC control application transformed in a kind of numerically-controlled machine according to claim 1, is characterized in that, described PLC is provided with display screen and control knob.
4. the PLC CNC control application transformed in a kind of numerically-controlled machine according to claim 1, is characterized in that, described PLC is provided with pilot lamp and alarm.
5. the PLC CNC control application transformed in a kind of numerically-controlled machine according to claim 1, is characterized in that, described PLC is provided with several signal connecting interfaces.
6. the PLC CNC control application transformed in a kind of numerically-controlled machine according to claim 1, is characterized in that, described PLC is provided with USB.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510595379.XA CN105182911A (en) | 2015-09-18 | 2015-09-18 | Reconstructed PLC numerical control system application in numerical control machine tool |
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| CN201510595379.XA CN105182911A (en) | 2015-09-18 | 2015-09-18 | Reconstructed PLC numerical control system application in numerical control machine tool |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445842A (en) * | 2018-03-21 | 2018-08-24 | 南通华德锻压机床有限公司 | A kind of lock formula cuts the PLC high-performance numerical control system applications being transformed in edition machine |
| CN108811512A (en) * | 2017-02-28 | 2018-11-13 | 三菱电机株式会社 | Numerical control device |
| CN108873816A (en) * | 2018-07-11 | 2018-11-23 | 南通理工学院 | Machine tool transformation system |
| CN111142476A (en) * | 2020-01-06 | 2020-05-12 | 襄阳科威电气有限公司 | Application of general control system reconstructed in common numerical control machine tool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203076629U (en) * | 2013-01-21 | 2013-07-24 | 福州闽侯精钻机械厂 | Numerical control drill press system based on combination of human-computer interface and controller |
| CN103846730A (en) * | 2012-11-29 | 2014-06-11 | 大连龙泽机械有限公司 | Driving control system for numerical control machine tool |
-
2015
- 2015-09-18 CN CN201510595379.XA patent/CN105182911A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846730A (en) * | 2012-11-29 | 2014-06-11 | 大连龙泽机械有限公司 | Driving control system for numerical control machine tool |
| CN203076629U (en) * | 2013-01-21 | 2013-07-24 | 福州闽侯精钻机械厂 | Numerical control drill press system based on combination of human-computer interface and controller |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108811512A (en) * | 2017-02-28 | 2018-11-13 | 三菱电机株式会社 | Numerical control device |
| CN108811512B (en) * | 2017-02-28 | 2020-06-12 | 三菱电机株式会社 | Numerical control device |
| CN108445842A (en) * | 2018-03-21 | 2018-08-24 | 南通华德锻压机床有限公司 | A kind of lock formula cuts the PLC high-performance numerical control system applications being transformed in edition machine |
| CN108873816A (en) * | 2018-07-11 | 2018-11-23 | 南通理工学院 | Machine tool transformation system |
| CN111142476A (en) * | 2020-01-06 | 2020-05-12 | 襄阳科威电气有限公司 | Application of general control system reconstructed in common numerical control machine tool |
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