CN106141461A - Kinetic control system and laser cutting device for industrial lasers cutter sweep - Google Patents
Kinetic control system and laser cutting device for industrial lasers cutter sweep Download PDFInfo
- Publication number
- CN106141461A CN106141461A CN201610578148.2A CN201610578148A CN106141461A CN 106141461 A CN106141461 A CN 106141461A CN 201610578148 A CN201610578148 A CN 201610578148A CN 106141461 A CN106141461 A CN 106141461A
- Authority
- CN
- China
- Prior art keywords
- motor driver
- circuit
- stepper motor
- control system
- laser cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Semiconductor Lasers (AREA)
Abstract
The present invention relates to laser cutting device control field, especially for kinetic control system and the laser cutting device of industrial lasers cutter sweep.The kinetic control system of the laser cutting device that the present invention provides eliminates, by arranging Transient Suppression Diode on the holding wire between operational amplification circuit and stepper motor driver, transient voltage, the surge interference to front-end control device (such as controller circuitry, Master Control Unit) that in back-end circuit, laser instrument produces, thus improve the reliability of system, reduce the impact of interference；It is provided with resettable fuse in the power circuit powered for stepper motor driver, when electric current overrate, the controlled automatic disconnection of described resettable fuse stops powering to stepper motor driver, thus effectively prevents stepper motor driver circuit short circuit and cause the power collapse of front-end controlling circuit.The present invention is also provided with a Transient Suppression Diode in circuit simultaneously, it is therefore prevented that the interference that the high pressure that power circuit is produced by back-end circuit causes.
Description
Technical field
The present invention relates to laser cutting device control field, especially for the motor control system of industrial lasers cutter sweep
System and laser cutting device.
Background technology
Cut refers to that the laser launched by laser instrument is focused into the laser beam of high power density through light path system, and
Being irradiated to surface of the work makes workpiece reach fusing point or boiling point, along with light beam finally makes material be formed with workpiece relative to moving of position
Joint-cutting, thus reach to cut the cutting mode of purpose；Compared with tradition cutting mode, the mode of cut uses light beam to replace
Traditional mechanical blades, has precision high, and cutting is fast, and pattern the most slit limits, can Automatic Typesetting, save material, otch is put down
Sliding, the series of advantages features such as processing cost is low, thus increasingly it is widely applied to industry cutting field, and cut at laser
Cutting in device, many employing motors drive the motion of laser instrument as kinematic driving unit, and walk in laser cutting device
Entering the control of motor, general employing is come real by a controller by the way of stepper motor driver sends pulse+direction signal
Existing；Laser instrument is run orientation and is realized the control of stepper motor driver by controller the most especially.
But in laser cutting system, high pressure (generally at about 30,000 V) can be produced during due to laser instrument luminous, lead
Cause the circuit space radiation of moment, easily the controller circuitry of motor is produced electromagnetic interference, and then cause motor control
Abnormal, cause motor to lose the phenomenons such as step, stall；Also easily control circuit is caused high pressure, overcurrent damage, cause the reliable of system
Property reduce, the design is aiming at this strong jamming in laser control system, a kind of protection circuit of design, improves the anti-dry of product
Disturb ability.
Summary of the invention
The goal of the invention of the present invention is: in existing laser cutting system, due to the height produced during laser instrument luminescence
Pressure-volume easily to controllor for step-by-step motor circuit produce electromagnetic interference and easily cause controller circuitry high pressure, overcurrent damage is asked
Topic, it is provided that a kind of capacity of resisting disturbance is strong, have the laser cutting device kinetic control system of defencive function.
To achieve these goals, the technical solution used in the present invention is:
The kinetic control system of a kind of laser cutting device, including controller circuitry, operational amplification circuit, power circuit and stepping
Motor driver,
Wherein, described controller circuitry is connected with described stepper motor driver by operational amplification circuit；Described controller electricity
Road is connected with Master Control Unit, and it is converted into motor drives for movement instruction and/or the exercise data sent by Master Control Unit
The electric signal that dynamic device is capable of identify that, described electric signal includes pulse signal and two kinds of signals of direction signal；Described computing is put
Big circuit for being driven amplification to described electric signal, to strengthen the driving force of this signal；
Described power circuit is connected with described stepper motor driver and provides power supply for it；
Pulse signal-line between described operational amplification circuit and described stepper motor driver, direction signal line are respectively by the
One Transient Suppression Diode, the second Transient Suppression Diode ground connection；Described first Transient Suppression Diode, the second transient state suppression two
Pole pipe is for eliminating the transient voltage of laser instrument generation, surge to front-end control device (such as controller circuitry, Master Control Unit)
Interference, thus improve the reliability of system, reduce the impact of interference.
Further, described power circuit includes power supply, resettable fuse and the magnetic bead being sequentially connected with；Described magnetic bead with
Stepper motor driver connects；When electric current overrate, the controlled automatic disconnection of described resettable fuse stops to stepping
Motor driver is powered, thus effectively prevents stepper motor driver circuit short circuit and cause the power supply of front-end controlling circuit to collapse
Burst.
Further, the 3rd Transient Suppression Diode it is additionally provided with between described magnetic bead and stepper motor driver；Described
One end of 3rd Transient Suppression Diode is connected with the outfan of magnetic bead, other end ground connection, and the 3rd Transient Suppression Diode can have
Effect reduces outside (referring to stepper motor driver circuit, motor and the laser circuit) circuit in rear end and (refers to front-end circuit
Master Control Unit, controller circuitry, power circuit) interference.
Preferably, described controller circuitry is FPGA circuitry.
Preferably, described operational amplification circuit is chip SN7407.
Further, described operational amplification circuit and described power circuit are all by a general connector interface and described step
Enter motor driver to connect.
Present invention simultaneously provides a kind of laser cutting device, described laser cutting device comprises motor control as above
System.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: the laser that the present invention provides is cut
Cut the kinetic control system of device by arranging transient state on the holding wire between operational amplification circuit and stepper motor driver
Suppression diode eliminates the transient voltage of laser instrument generation in back-end circuit, surge to front-end control device (such as controller electricity
Road, Master Control Unit) interference, thus improve the reliability of system, reduce the impact of interference；Powering for stepper motor driver
Power circuit in be provided with resettable fuse, when electric current overrate, described resettable fuse is controlled from dynamic circuit breaker
Start-stop is only powered to stepper motor driver, thus effectively prevents stepper motor driver circuit short circuit and cause front-end control electricity
The power collapse on road.The present invention is also provided with a Transient Suppression Diode in circuit simultaneously, it is therefore prevented that power circuit quilt
The interference that the high pressure that back-end circuit produces causes.
Accompanying drawing explanation
Fig. 1 is the specific embodiment structural representation of the present invention；
Fig. 2 is another specific embodiment structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1: as it is shown in figure 1, the present embodiment provides the kinetic control system of a kind of laser cutting device, including controlling
Device circuit 1, operational amplification circuit 2, power circuit and stepper motor driver 3,
Wherein, described controller circuitry 1 is connected with described stepper motor driver 3 by operational amplification circuit 2；Described controller
Circuit 1 is connected with Master Control Unit, and it is converted into motor for movement instruction and/or the exercise data sent by Master Control Unit
The electric signal that driver 3 is capable of identify that, described electric signal includes pulse signal and two kinds of signals of direction signal；Described computing
Amplifying circuit 2 for being driven amplification to described electric signal, to strengthen the driving force of this signal；In the present embodiment, institute
Stating controller circuitry 1 uses FPGA to realize, and described operational amplification circuit 2 uses chip SN7407 to realize.
Described power circuit is connected with described stepper motor driver 3 and provides power supply for it；
Pulse signal-line, direction signal line between described operational amplification circuit 2 and described stepper motor driver 3 pass through respectively
Oneth TVS4, the 2nd TVS5 ground connection；A described TVS4, the 2nd TVS5 are for eliminating the transient voltage of laser instrument generation, surge
Interference to front-end control device (such as controller circuitry 1, Master Control Unit), thus improve the reliability of system, reduce interference
Impact.
Described power circuit includes power supply 61, resettable fuse 62 and the magnetic bead 63 being sequentially connected with；Described magnetic bead 63 with
Stepper motor driver 3 connects；When electric current overrate, the controlled automatic disconnection of described resettable fuse 62 stops to step
Enter motor driver 3 to power, thus effectively prevent stepper motor driver 3 short circuit and cause the power supply of front-end controlling circuit
61 collapses, as it is shown in figure 1, in the present embodiment, described power supply 61 is 5V power supply.
It is additionally provided with the 3rd TVS64 between described magnetic bead 63 and stepper motor driver 3；One end of described 3rd TVS64
Being connected with the outfan of magnetic bead 63, other end ground connection, the 3rd TVS64 can effectively reduce outside, rear end and (refer to stepper motor driver 3
Circuit, motor and laser circuit) circuit is to front-end circuit (referring to Master Control Unit, controller circuitry 1, power circuit)
Interference.
Embodiment 2: as in figure 2 it is shown, the difference that the present embodiment is from embodiment 1 is, in the present embodiment, described computing is put
Big circuit 2 is all connected with described stepper motor driver 3 by a general connector interface 7 with described power circuit, this enforcement
Example is to adapt to the situation using external mode to connect stepper motor driver 3, by external for stepper motor driver 3 good
Place is so that whole control system and control process have bigger flexibility, because when stepper motor driver 3 does not has
When integrating with controller circuitry 1, the special mechanical structure of the laser cutting device that user is used according to oneself selects
Select suitable stepper motor driver 3.And owing to providing the front-end circuit (controller of control signal for stepper motor driver 3
Circuit 1, power circuit) all it is connected with a general connector interface 7 and integrates, no matter which kind of motor user uses
Driver 3, it all can be with front-end circuit seamless connection.
Embodiment 3: the present embodiment provides a kind of laser cutting device, described laser cutting device comprise such as embodiment 1 or
The kinetic control system that embodiment 2 is provided.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (7)
1. a kinetic control system for laser cutting device, including controller circuitry, operational amplification circuit, power circuit and step
Enter motor driver,
Wherein, described controller circuitry is connected with described stepper motor driver by operational amplification circuit, and it is for by master control
Movement instruction and/or exercise data that unit sends are converted into the electric signal that stepper motor driver is capable of identify that, described electricity
Gas signal includes pulse signal and direction signal；
Described power circuit is connected with described stepper motor driver and provides power supply for it；
It is characterized in that, the pulse signal-line between described operational amplification circuit and described stepper motor driver, direction signal
Line is respectively by the first Transient Suppression Diode, the second Transient Suppression Diode ground connection.
Kinetic control system the most according to claim 1, it is characterised in that described power circuit includes the electricity being sequentially connected with
Source, resettable fuse and magnetic bead；Described magnetic bead is connected with stepper motor driver.
Kinetic control system the most according to claim 2, it is characterised in that between described magnetic bead and stepper motor driver
It is additionally provided with the 3rd Transient Suppression Diode；One end of described 3rd Transient Suppression Diode is connected with the outfan of magnetic bead, separately
One end ground connection.
Kinetic control system the most according to claim 1, it is characterised in that described controller circuitry is FPGA circuitry.
Kinetic control system the most according to claim 1, it is characterised in that described operational amplification circuit is chip
SN7407。
Kinetic control system the most according to claim 1, it is characterised in that described operational amplification circuit and described power supply electricity
Road is all connected with described stepper motor driver by a general connector interface.
7. a laser cutting device, it is characterised in that described laser cutting device comprises such as any one of claim 1 to 6 institute
The kinetic control system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578148.2A CN106141461A (en) | 2016-07-21 | 2016-07-21 | Kinetic control system and laser cutting device for industrial lasers cutter sweep |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610578148.2A CN106141461A (en) | 2016-07-21 | 2016-07-21 | Kinetic control system and laser cutting device for industrial lasers cutter sweep |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106141461A true CN106141461A (en) | 2016-11-23 |
Family
ID=58059354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610578148.2A Pending CN106141461A (en) | 2016-07-21 | 2016-07-21 | Kinetic control system and laser cutting device for industrial lasers cutter sweep |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106141461A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378279A (en) * | 2017-07-20 | 2017-11-24 | 江苏立典激光科技有限公司 | A kind of laser cutting machine control system |
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| US8404995B2 (en) * | 2005-12-20 | 2013-03-26 | Livio Campana | Tool machine for laser cutting of sheet and pipe materials |
| CN103715952A (en) * | 2013-07-09 | 2014-04-09 | 李鑫 | Open direct current brushless motor controller based on six MOS tube power modules |
| CN104588891A (en) * | 2015-01-12 | 2015-05-06 | 鞍山正亚激光科技有限公司 | Automatic tape coil feed system for laser marking, cutting and welding |
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|---|---|---|---|---|
| US8404995B2 (en) * | 2005-12-20 | 2013-03-26 | Livio Campana | Tool machine for laser cutting of sheet and pipe materials |
| CN102069303A (en) * | 2010-11-25 | 2011-05-25 | 南通众联科技服务有限公司 | Stepping drive units for laser welding machine |
| CN201910759U (en) * | 2010-12-31 | 2011-07-27 | 中国科学院沈阳计算技术研究所有限公司 | Servo driving module of numerical-control laser cutting machine |
| CN103715952A (en) * | 2013-07-09 | 2014-04-09 | 李鑫 | Open direct current brushless motor controller based on six MOS tube power modules |
| CN105242640A (en) * | 2014-07-09 | 2016-01-13 | 北京自动化控制设备研究所 | Novel high-speed and high-precision multi-axis servo motion controller circuit |
| CN105652865A (en) * | 2014-11-20 | 2016-06-08 | 陕西亚泰电器科技有限公司 | Line-hunting control system of robot |
| CN104588891A (en) * | 2015-01-12 | 2015-05-06 | 鞍山正亚激光科技有限公司 | Automatic tape coil feed system for laser marking, cutting and welding |
| CN204349794U (en) * | 2015-01-15 | 2015-05-20 | 王林松 | A kind of switching signal input circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378279A (en) * | 2017-07-20 | 2017-11-24 | 江苏立典激光科技有限公司 | A kind of laser cutting machine control system |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |