CN111975208A - Application system of laser scoring machine - Google Patents
Application system of laser scoring machine Download PDFInfo
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- CN111975208A CN111975208A CN202011039318.2A CN202011039318A CN111975208A CN 111975208 A CN111975208 A CN 111975208A CN 202011039318 A CN202011039318 A CN 202011039318A CN 111975208 A CN111975208 A CN 111975208A
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- 238000004364 calculation method Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000002159 abnormal effect Effects 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 238000012937 correction Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
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- 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
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- 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
- B23K26/362—Laser etching
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Abstract
The invention provides an application system of a laser scoring machine, which comprises an upper layer system, a motion calculation subsystem, a scoring subsystem and an external control subsystem, wherein the upper layer system stores relevant parameters and instructions of different series of products corresponding to the work of each subsystem, coordinates the synchronous work of each subsystem by issuing the relevant parameters and the instructions, monitors the working state of each subsystem and realizes the function of alarming the abnormal work of the subsystems by a human-computer interaction module; the motion calculation subsystem monitors the speed of the production line in real time, and calculates the light emitting power and the light emitting frequency of the laser according to the speed of the production line by combining parameters issued by an upper-layer system; the engraving subsystem controls the motion track of the galvanometer and the light-emitting switch of the laser; and the external control subsystem is used for monitoring the temperature of the whole laser scoring machine and controlling the operation of the dust removal module and the water cooling module.
Description
Technical Field
The invention relates to a system of laser equipment, in particular to an application system of a laser scoring machine.
Background
The existing laser scoring machine needs to solve the problem of distortion of a scoring range in the face of large-format scoring, the greater the scoring range is, the greater the distortion of a corresponding edge part is, a relevant pattern and character needing scoring deform due to the generation of distortion, for example, a straight line is scored and printed into a plurality of line segments under the condition of corresponding distortion, in order to reduce the distortion condition of large-format scoring and splicing, the laser scoring machine needs to have stronger multi-laser head coordinated and synchronous scoring capability, and under the structure of an application system of the existing scoring machine, due to the limitation of the calculation capability of an independent laser head subsystem, the rapid and simultaneous distortion correction of the multi-laser head cannot be realized, therefore, a new application system of the laser scoring machine needs to be provided.
Disclosure of Invention
The invention provides an application system of a laser scoring machine, which is applied to the laser scoring machine by a brand-new distributed system architecture and solves the problem that the scoring machine lacks the capability of quickly correcting distortion calculation.
The invention provides an application system of a laser scoring machine, which is used for controlling the operation of the laser scoring machine, wherein the laser scoring machine comprises a human-computer interaction module, a preset number of lasers, vibrating mirrors in one-to-one correspondence with the lasers, a flow production line, a dust removal module and a water cooling module; the motion calculation subsystem monitors the speed of the production line in real time, and calculates the light emitting power and the light emitting frequency of the laser according to the speed of the production line by combining parameters issued by an upper-layer system; the engraving subsystem controls the motion track of the galvanometer and the light-emitting switch of the laser; and the external control subsystem is used for monitoring the temperature of the whole laser scoring machine and controlling the operation of the dust removal module and the water cooling module.
Preferably, the motion calculation subsystem monitors the speed of the production line via an encoder.
Preferably, the motion calculation subsystem calculates the production line speed according to the formula V ═ N × C/1000 × P (m/min), where N is the encoded value that the encoder has traveled in one minute, C is the encoder's synchronizing wheel circumference (unit mm), and P is the number of pulses that the encoder has made one revolution.
Preferably, the motion calculation subsystem further adjusts the output power and frequency of the laser through a power compensation algorithm.
Preferably, the formula of the power compensation algorithm is as follows: and p is kV + b, wherein k is a compensation coefficient, b is minimum power, and V is the production line speed.
Preferably, the imprint subsystem prevents imprint distortion by geometric correction.
Preferably, the external control subsystem also controls a power supply module of the laser scoring machine.
Preferably, the upper layer system realizes communication with the subsystem through an ethernet or a serial port.
Compared with the application system of the traditional notching machine, the application system of the laser notching machine provided by the invention concentrates the working parameters of the laser, such as the light-emitting power, the light-emitting frequency and the like, on the motion calculation subsystem for execution, the traditional application system calculates the power and the frequency by each laser, the calculation speed and the processing efficiency are greatly improved, the notching subsystem only needs to calculate the motion track of the galvanometer and control the on and off of the laser, the external control subsystem is responsible for monitoring the working condition of the whole machine, the distributed application system enables each subsystem to perform its own functions, the requirement of processing a large amount of data of distortion correction is met under the condition that the calculation force of the whole machine system is greatly improved, the load of the whole system is reduced, the working efficiency and the service life of the whole machine are improved, and high-quality notching is realized.
Drawings
FIG. 1 is a logical relationship diagram of an application system of a laser scoring machine provided by the present invention;
fig. 2 is a control flow diagram of an application system of the laser scoring machine provided by the present invention.
Detailed Description
The application system of the laser scoring machine provided by the present invention is further described below with reference to the accompanying drawings, and it should be noted that the technical solution and the design principle of the present invention are described in detail below only with an optimized technical solution.
Referring to fig. 1, the application system of the laser scoring machine provided by the invention is used for controlling the operation of the laser scoring machine, the laser scoring machine comprises a human-computer interaction module, a predetermined number of lasers, vibrating mirrors in one-to-one correspondence with the lasers, a flow production line, a dust removal module, a water cooling module and a power supply module, and the application system comprises an upper system, a motion calculation subsystem, an engraving subsystem and an external control subsystem.
The upper layer system stores relevant parameters and instructions of different series products corresponding to the work of each subsystem, wherein the relevant parameters and instructions comprise notch line intervals, trigger starting code values and interval code values adapted to each laser, coordinates the synchronous work of each subsystem by issuing the relevant parameters and the instructions, simultaneously monitors the working state of each subsystem, and realizes the function of alarming the abnormal work of the subsystems through the human-computer interaction module.
The motion calculation subsystem monitors the speed of a production line in real time through an encoder, combines a trigger initial coding value and an interval coding value parameter issued by an upper system, calculates the light emitting power and the light emitting frequency of a laser according to the speed of the production line, and the formula of the production line speed is V (N) C/1000P (m/min), wherein N is the coding value passed by the encoder in one minute, C is the circumference (unit mm) of a synchronizing wheel of the encoder, and P is the number of pulses of the encoder for one revolution, and the motion calculation subsystem also adjusts the light emitting power and the frequency of the laser through a power compensation algorithm, and the formula of the power compensation algorithm is as follows: p is kV + b, wherein k is a compensation coefficient, b is minimum power, and V is production line speed; the motion calculation subsystem calculates the code value of the encoder synchronous with the production line speed, when the count is the same as the initial code preset value of a certain laser, the corresponding laser is triggered, the laser is started, all other lasers enter an equidistant triggering stage, and the subsequent lasers are triggered at intervals according to the preset interval code value.
The engraving subsystem controls the motion trail of the galvanometer and the light-emitting switch of the laser, and comprises galvanometer control units corresponding to the galvanometers one by one, galvanometer compensation units corresponding to the galvanometer control units one by one and light-emitting switches corresponding to the laser one by one, the galvanometer control units control the galvanometers corresponding to the galvanometer control units to perform operation motion, the galvanometer compensation units calculate speed compensation parameters during operation of the galvanometers, the galvanometer control units adjust the operation motion of the galvanometers according to the speed compensation parameters, the light-emitting switches control the light-emitting operation of the laser, the engraving subsystem controls the galvanometers through the parameters of an upper layer system to engrave corresponding patterns, and the engraving subsystem realizes distortion correction by matching geometric correction with power compensation, wherein the speed compensation parameter n is (C is 65535)/(4P L), wherein C is the perimeter (unit mm) of the encoder, P is the number of the perimeter pulses of the encoder, and L is the stroke of the operation breadth corresponding to each vibrating mirror.
And the external control subsystem is used for monitoring the temperature of the whole laser scoring machine and controlling the operation of the dust removal module, the water cooling module and the power supply module.
Referring to fig. 2, the control flow of the application system of the laser scoring machine provided by the present invention is as follows:
step one, starting a machine and loading an upper system;
reading a file stored locally to obtain a subsystem working parameter or manually setting the subsystem working parameter;
initializing a communication serial port, and loading a parameter scheme to set channel parameters;
step four, detecting whether the parameter setting of the scheme is abnormal, if the parameter setting of the scheme is not abnormal, entering step five, and if the parameter setting of the scheme is abnormal, returning to step two;
step five, the upper system sends parameters and instructions to each subsystem;
step six, acquiring real-time conveyor belt speed and real-time alarm fault signals;
step seven, sending a control instruction to the engraving and printing subsystem to control the laser to emit light according to a signal synchronous with the conveyor belt by the motion calculation subsystem;
and step eight, displaying alarm information according to the alarm fault signal and controlling a buzzer to send out an alarm prompt.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (9)
1. An application system of a laser scoring machine is used for controlling the operation of the laser scoring machine, the laser scoring machine comprises a human-computer interaction module, a preset number of lasers, vibrating mirrors which are in one-to-one correspondence with the lasers, a flow production line, a dust removal module and a water cooling module, and is characterized in that the application system comprises an upper layer system, a motion calculation subsystem, an engraving subsystem and an external control subsystem,
the upper system stores the related parameters and instructions of different series products corresponding to the work of each subsystem, coordinates the synchronous work of each subsystem by issuing the related parameters and instructions, simultaneously monitors the working state of each subsystem, and realizes the function of alarming the abnormal work of the subsystems by the man-machine interaction module;
the motion calculation subsystem monitors the speed of the production line in real time, and calculates the light emitting power and the light emitting frequency of the laser according to the speed of the production line by combining parameters issued by an upper-layer system;
the engraving subsystem controls the motion track of the galvanometer and the light-emitting switch of the laser;
and the external control subsystem is used for monitoring the temperature of the whole laser scoring machine and controlling the operation of the dust removal module and the water cooling module.
2. The system of claim 1, wherein the associated parameters include a score line spacing, a trigger start code value and a gap code value for each laser.
3. The system of claim 1, wherein the motion calculation subsystem monitors the speed of the production line via an encoder.
4. The system of claim 3, wherein the motion calculation subsystem calculates the line speed using the equation V-N C/1000P (m/min), where N is the encoded value of the encoder during one minute, C is the encoder's sync wheel circumference (in mm), and P is the number of pulses per revolution of the encoder.
5. The system of claim 4, wherein the motion calculation subsystem further adjusts the power and frequency of the laser by a power compensation algorithm.
6. The system of claim 5, wherein the power compensation algorithm has the formula: and p is kV + b, wherein k is a compensation coefficient, b is minimum power, and V is the production line speed.
7. The use of a laser scoring machine as in claim 1 wherein the scoring subsystem prevents scoring distortions by geometric correction.
8. The system of claim 1, wherein the external control subsystem further controls a power module of the laser scoring machine.
9. The system of claim 1, wherein the upper system communicates with the subsystem via an ethernet or serial port.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011039318.2A CN111975208B (en) | 2020-09-28 | 2020-09-28 | Application system of laser scoring machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011039318.2A CN111975208B (en) | 2020-09-28 | 2020-09-28 | Application system of laser scoring machine |
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| CN111975208B CN111975208B (en) | 2024-05-24 |
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Citations (13)
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|---|---|---|---|---|
| GB531835A (en) * | 1939-07-25 | 1941-01-13 | Gordon Mackellar Roberts | Improvements in scoring mechanism for tin lids and the like |
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| CN102193519A (en) * | 2011-04-12 | 2011-09-21 | 广东大族粤铭激光科技股份有限公司 | Laser power control method and system |
| CN105716523A (en) * | 2016-02-04 | 2016-06-29 | 武汉大学 | High precision and high-speed motion measuring system suitable for large format motion planning |
| CN108002239A (en) * | 2017-12-04 | 2018-05-08 | 湖北科技学院 | A kind of security monitoring system of hoister |
| CN109759714A (en) * | 2019-01-17 | 2019-05-17 | 南开大学 | A large-format marking system and marking range calibration method based on femtosecond laser filament formation |
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| CN110362010A (en) * | 2019-07-17 | 2019-10-22 | 江苏金陵智造研究院有限公司 | A kind of modularized multi-axis laser galvanometer motion controller |
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| CN212682810U (en) * | 2020-09-28 | 2021-03-12 | 广州翔声智能科技有限公司 | Application system of laser scoring machine |
-
2020
- 2020-09-28 CN CN202011039318.2A patent/CN111975208B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB531835A (en) * | 1939-07-25 | 1941-01-13 | Gordon Mackellar Roberts | Improvements in scoring mechanism for tin lids and the like |
| US20030047695A1 (en) * | 2001-09-07 | 2003-03-13 | Preco Laser Systems, Llc | System and method for synchronizing a laser beam to a moving web |
| CN102193519A (en) * | 2011-04-12 | 2011-09-21 | 广东大族粤铭激光科技股份有限公司 | Laser power control method and system |
| CN105716523A (en) * | 2016-02-04 | 2016-06-29 | 武汉大学 | High precision and high-speed motion measuring system suitable for large format motion planning |
| CN108002239A (en) * | 2017-12-04 | 2018-05-08 | 湖北科技学院 | A kind of security monitoring system of hoister |
| CN109759714A (en) * | 2019-01-17 | 2019-05-17 | 南开大学 | A large-format marking system and marking range calibration method based on femtosecond laser filament formation |
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| CN110340518A (en) * | 2019-07-12 | 2019-10-18 | 广州翔声智能科技有限公司 | Three axis galvanometers of one kind and large format imprinter |
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