CN205733428U - A kind of laser marking system postponing galvanometer action - Google Patents
A kind of laser marking system postponing galvanometer action Download PDFInfo
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- CN205733428U CN205733428U CN201620560060.3U CN201620560060U CN205733428U CN 205733428 U CN205733428 U CN 205733428U CN 201620560060 U CN201620560060 U CN 201620560060U CN 205733428 U CN205733428 U CN 205733428U
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Abstract
A kind of laser marking system postponing galvanometer action, this system include the laser instrument for producing laser and be successively set on the produced laser of laser instrument light path on dynamic poly-mirror module, X galvanometer and Y galvanometer；Also include that control module and the first driving module, the second driving module and the 3rd that are connected with control module respectively drive module；Control module and first drives between module and control module and second drives and is additionally provided with Postponement module between module, Postponement module is for receiving the first control signal and second control signal of control module transmission, synchronize the first control signal and the second control signal are postponed, and the first control signal after postponing sends to the first driving module, the second control signal transmission after postponing drives module to second.The application makes dynamic focusing mirror module and galvanometer match, and improves machining accuracy and speed.
Description
Technical field
The application relates to laser marking field, field, a kind of laser marking system postponing galvanometer action.
Background technology
Laser marking is that the laser utilizing high-energy-density carries out local irradiation to workpiece, makes skin-material vaporization or occurs
The chemical reaction of color change, thus leave a kind of Mark technology of permanent marker.It is at clothing processing, work pieces process, mark
The field application such as note are quite varied.
Fig. 1 is a kind of 3D laser marking system of the prior art, and it generally includes laser instrument 1, to expand eyeglass 21 (or poly-
Focus lens), quasi-value eyeglass 22, X galvanometer 31, Y galvanometer 32 and object lens 8.After laser instrument 1 produces laser 10, expand eyeglass 21 right
Laser 10 is focused, then after X galvanometer 31 and Y galvanometer 32 reflects, is irradiated on mark object 11.Wherein, along with X galvanometer
The deflection of 31 and Y galvanometers 32, the hot spot that laser 10 projects on mark object 11 moves back and forth formation need along X, Y coordinate direction
The track wanted, and expand eyeglass 21 by movement and can change the focal position of hot spot, any point in the range of mark can be made
It it is all best focal point.Therefore, this laser marking system has been broken traditional 2D marking system and may only have been done the office of plane mark
Limit, it can be processed the 3D structures such as plane, convex surface, concave surface, sphere and inclined-plane, emerge rapidly at home in laser industry.
But, owing to galvanometer is to be directly driven by a motor rotation, its quick action, and expand eyeglass (or focusing lens)
It is linearly to be slidably reciprocated by driven by motor slide rail, causes the action response speed expanding eyeglass to be slower than galvanometer all the time, no
Can mate with the response of X, Y galvanometer.It is illustrated in figure 2 the sectional drawing of filter detection screen, three waveforms from top to bottom in sectional drawing
It is followed successively by primary signal, galvanometer signal and the response wave shape of focusing lens signal.It can be seen that when launching signal amplitude be
The when of 400mV, the time that X galvanometer and Y galvanometer (being referred to as galvanometer or XY galvanometer) arrive 400mV amplitude and need is about 0.4mS,
Expand eyeglass and then need 4ms, it is impossible to match with galvanometer.And, along with mark speed and the lifting of amplitude, this situation meeting
Become apparent from.In the case of cannot mating, the quality of mark hot spot is the most out of hand, and focus error can be increasingly severe, from
And affect the accuracy and speed of processing.
Utility model content
The application provides a kind of laser marking system postponing galvanometer action, solve in prior art dynamic focusing camera lens because of
It is difficult to match with galvanometer, and the problem causing mark mass defect.
By realizing the technical scheme that this utility model purpose is used: a kind of laser marking system postponing galvanometer action,
Including for there is the laser instrument of laser and being successively set on the dynamic poly-mirror module in laser instrument institute shoot laser light path, X
Galvanometer and Y galvanometer；Also include control module and be connected with control module respectively first driving module, second drive module and
3rd drives module, and control module is for driving module, the second driving module and the 3rd to drive module to send driving letter to first
Number；Dynamic poly-mirror module includes supporting seat, support and focusing eyeglass, supports and is provided with the guide rail extended along laser optical path on seat,
Support is arranged on guide rail and can be along slide, and eyeglass of focusing is fixed on support；3rd drives module to be connected with support, uses
Reciprocatingly slide along guide rail in driving arm；First drives module to be connected with X galvanometer, is used for driving X galvanometer reciprocating rotation；Second drives
Dynamic model block is connected with Y galvanometer, is used for driving Y galvanometer to move back and forth；Control module and first drives module and second to drive mould
Being provided with signal delay module between block, signal delay module receives drive for postponing the first driving module and the second driving module
The time of dynamic signal.
Preferably, described signal delay module is signal delay circuit.
Preferably, described signal delay module delays receives the time of signal is 3-10ms.
Preferably, described signal delay module drives module identical with the time delay of the second driving module to first.
Preferably, described signal delay module for having one, receive simultaneously and postpone to be sent to the first driving module and
The second driving signal driving module.
Preferably, described signal delay module for having two, receive respectively and postpone to be sent to the first driving module and
The second driving signal driving module.
Preferably, described dynamic poly-mirror module also includes collimation lens, and collimation lens is fixed on focusing eyeglass along light path side
To rear end.
Preferably, described focusing eyeglass is for expanding eyeglass or focusing lens.
Preferably, control module includes action command { x to the first the first control signal driving module to send1,
x2......xp, control module includes action command { y to the second the second control signal driving module to send1,
y2......yp, control module includes action command { z to the 3rd the 3rd control signal driving module to send1,
z2......zp}；Postponement module is for inserting redundant data { m before the first control signal1,m2......mi, in the second control
Redundant data { n is inserted before signal processed1,n2......ni, and the first control signal { m after redundant data will be inserted1,
m2......mi,x1,x2......xpSend to the first driving module, the second control signal after redundant data will be inserted
{n1,n2......ni,y1,y2......ypSend to the second driving module, the 3rd control signal is sent directly to the 3rd driving
Module.
The application provides the benefit that, owing to this utility model drives between module in control module and first and controls
Module and second drives and is additionally provided with Postponement module between module, and the first control signal and the second control signal are carried out by Postponement module
Postponing, first drives module just to postpone to drive X galvanometer action, and second drives module just to postpone to drive Y galvanometer action, compensate for
Mark time error between dynamic focusing mirror module and galvanometer so that dynamic focusing mirror module and galvanometer match, and improve
System work efficiency, improves machining accuracy and speed.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of 3D laser marking system of the prior art；
Fig. 2 is that laser marking system drives in prior art signal carry out the test figure of waveform testing；
Fig. 3 is the structural representation of this utility model laser marking system；
Fig. 4 is the structural representation of a kind of embodiment of this utility model laser marking system；
Fig. 5 is a kind of concrete structure schematic diagram of the dynamic poly-mirror module of this utility model laser marking system；
Fig. 6 is the enlarged drawing in Fig. 5 at A；
Fig. 7 is a kind of schematic diagram realizing signal delay method of this utility model embodiment；
Fig. 8 is that laser marking system is driven signal to carry out the test figure of waveform testing by this utility model.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention this utility model is described in further detail.
Embodiment 1:
A kind of laser marking system postponing galvanometer action, as shown in Figure 3 and Figure 4, it includes for producing laser 10
Laser instrument 1, in the transmission light path of laser 10, is disposed with dynamic poly-mirror module 2 and galvanometer module 3.Such as Fig. 5 and Fig. 6 institute
Showing, dynamic poly-mirror module 2 includes supporting seat 23, support 24, expanding eyeglass 21 and quasi-value eyeglass 22, is provided with on seat 23 supporting
The guide rail 25 extended along laser optical path, support 24 is arranged on guide rail 25 and can slide along guide rail 25, expanding eyeglass 21 and be fixed on
On support 24, moving with support 24, collimation lens 22 is fixed on the rear end of light path.Expand eyeglass 21 for being expanded by laser 10
(in other embodiments, can replace expanding eyeglass with focusing lens), collimation lens 22 uses convex lens, for collecting diffusion
Light beam.Galvanometer module 3 includes X galvanometer 31 and Y galvanometer 32, and X galvanometer 31 is used for making laser 10 at laterally (X-direction) upper deflecting, and Y shakes
Mirror 32 is used for making laser 10 at longitudinal direction (Y-direction) upper deflecting.After laser instrument 1 produces laser 10, dynamic poly-mirror module 2 is to laser
10 focus, then after X galvanometer 31 and Y galvanometer 32 reflects, are irradiated on mark object 11.
The system of the present embodiment also includes control module 7, the Postponement module 6, first of signal drives module 4, second to drive
Module 5 and the 3rd drives module 9.Control module the 7, the 3rd drives module 5 and dynamic poly-mirror module 2 to be sequentially connected, control module
7, Postponement module 6, first drives module 4 and X galvanometer 31 to be sequentially connected, and Postponement module 6, second drives module 5 and Y galvanometer 32 to depend on
Secondary connected.
Before laser marking, need the computer digit model typing computer of mark object 11, then mark will be treated
Pattern pastes computer digit model surface, sets coordinate system, completes preparation.When ready, receive mark and refer to
After order, laser instrument 1 produces laser 10, and control module 7 sends the first control to Postponement module 6 after laser instrument 1 produces laser 10
Signal and the second control signal, and drive module 9 to send the 3rd control signal to the 3rd simultaneously.Postponement module 6 receives control
After first control signal of module 7 transmission and the second control signal, the first control signal and the second control signal are postponed,
The first control signal after postponing again sends to the first driving module 4, and the second control signal after postponing sends to second
Drive module 5.First drives module 4 to drive X galvanometer 31 further according to the first control signal, and second drives module 5 according to the second control
Signal processed drives Y galvanometer 32 action.3rd drives module 5 then to carry out driving arm 24 according to the 3rd control signal drives focusing lens
21 motions, thus laser 10 is focused.Therefore, first module 4 and second is driven to drive module 5 just to postpone to drive galvanometer mould
Block 3 action, solves the time difference between dynamic focusing camera lens 21 and galvanometer module 3 so that dynamic focusing camera lens 21 and galvanometer mould
Block 3 matches.
It should be noted that be additionally provided with object lens in the light path that the present embodiment is between galvanometer module 3 and mark object 11
8.In other embodiments, it is possible to do not use object lens 8.
Embodiment 2:
As the further design of embodiment 1, this example demonstrates that and how the first control signal is postponed.Such as figure
Shown in 7, control module 7 have sent the first control signal and the second control signal to Postponement module 6, and the first control signal includes moving
Instruct { x1,x2......xp, the second control signal includes action command { y1,y2......yp, the 3rd control signal includes
Action command { z1,z2......zp}.Postponement module 6 is at instruction { x1,x2......xpAnd { y1,y2......ypBefore } respectively
Inserting redundant data, inserting the first control signal after redundant data is { m1,m2......mi,x1,x2......xp, insert
The second control signal after redundant data is { n1,n2......ni,y1,y2……yp, therefore, these redundant datas occupy
Channel, effective control signal drives module 4 and second to drive module 5 to first after these redundant data transmissions are complete again
Transmit, the most just the first control signal and the second control signal are postponed, be taken as 3-10ms time delay and be preferred.
In other embodiments, Postponement module 6 also can be selected for signal delay circuit, controls letter by hardware circuit to first
Number postpone.
Embodiment 3:
A kind of laser marking method postponing galvanometer action, comprises the following steps:
S101: control module produces after laser at laser instrument, sends the first control signal and the to Postponement module simultaneously
Two control signals, drive module to send the 3rd control signal to the 3rd；
S102: the three drives module to drive focusing lens along slide according to the 3rd control signal driving arm；
S103: Postponement module synchronizes to postpone the first control signal and the second control signal, and the after postponing
One control signal sends to the first driving module, and the second control signal after postponing sends to the second driving module；
S104: the first drives module to drive X galvanometer action according to the first control signal, and second drives module according to the second control
Signal processed drives Y galvanometer action.
Control module 7 after laser instrument 1 produces laser 10, be simultaneously emitted by the first control signal, the second control signal and
3rd control signal.3rd drives module 9 first to receive the 3rd control signal, drives according to the 3rd control signal driving arm 24
Focusing lens 21 moves.And Postponement module 6 is after receiving the first control signal and the second control signal, control letter to first
Number and the second control signal postpone, then will postpone after first control signal send to first drive module 4, will postpone after
Second control signal send to second drive module 5.
Concrete, above-described driving module includes motor, such as high-precision motor, and be connected with motor
Serial verb construction.
Embodiment 4:
As embodiment 3 concrete application, this example demonstrates that and how the first control signal is postponed.Control mould
Block 7 includes action command { x to the first the first control signal driving module 4 to send1,x2......xp, control module 7 is to
Two the second control signals driving module 5 to send include action command { y1,y2……yp}；Postponement module 6 is in the first control signal
Insert redundant data { m before1,m2......mi, before the second control signal, insert redundant data { n1,n2......ni,
And the first control signal { m after redundant data will be inserted1,m2......mi,x1,x2......xpSend to the first driving mould
Block 4, will insert the second control signal { n after redundant data1,n2......ni,y1,y2......ypSend to the second driving
Module 5.Single letter in above action command { ... } represents single instruction,
In other embodiments, Postponement module 6 can be selected for signal delay circuit, by hardware circuit to the first control signal
Postpone.
Fig. 8 is the waveform testing figure sectional drawing that the application uses oscillograph (wave filter) to carry out testing, three ripples from top to bottom
It is followed successively by primary signal, galvanometer signal and focusing lens signal.Can be seen that, after primary signal sends, focusing lens signal delays
Slow rising, and just rise after galvanometer signal delay a period of time, itself and focusing lens signal reach desired value the most simultaneously, this
Greatly reduce time difference therebetween so that more preferably mate between dynamic focusing camera lens and galvanometer.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to assert
Of the present utility model being embodied as is confined to these explanations.For this utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, it is also possible to make some simple deduction or replace.
Claims (8)
1. the laser marking system postponing galvanometer action, it is characterised in that: include for occur laser laser instrument and
It is successively set on dynamic poly-mirror module, X galvanometer and the Y galvanometer in laser instrument institute shoot laser light path；Also include control module with
And be connected with control module respectively first driving module, second drive module and the 3rd drive module, control module for
First drives module, the second driving module and the 3rd to drive module to send driving signal；
Dynamic poly-mirror module includes supporting seat, support and focusing eyeglass, supports and is provided with the guide rail extended along laser optical path on seat,
Support is arranged on guide rail and can be along slide, and eyeglass of focusing is fixed on support；
3rd drives module to be connected with support, reciprocatingly slides along guide rail for driving arm；First drives module with X galvanometer even
Connect, be used for driving X galvanometer reciprocating rotation；Second drives module to be connected with Y galvanometer, is used for driving Y galvanometer to move back and forth；
Control module and first drives module and second to drive between module and is provided with signal delay module, and signal delay module is used
Module is driven to receive the time of driving signal in postponing the first driving module and second.
Laser marking system the most according to claim 1, it is characterised in that: described signal delay module is signal delay electricity
Road.
Laser marking system the most according to claim 1, it is characterised in that: described signal delay module delays receives signal
Time be 3-10ms.
Laser marking system the most according to claim 1, it is characterised in that: described signal delay module drives mould to first
The time delay of block and the second driving module is identical.
Laser marking system the most according to claim 1, it is characterised in that: described signal delay module for having one,
Receive simultaneously and postpone to be sent to the first driving module and second and drive the driving signal of module.
Laser marking system the most according to claim 1, it is characterised in that: described signal delay module for having two,
Receive respectively and postpone to be sent to the first driving module and second and drive the driving signal of module.
Laser marking system the most according to claim 1, it is characterised in that: described dynamic poly-mirror module also includes collimating mirror
Sheet, collimation lens is fixed on the focusing eyeglass rear end along optical path direction.
Laser marking system the most according to claim 1, it is characterised in that: described focusing eyeglass is for expanding eyeglass or focusing
Eyeglass.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620560060.3U CN205733428U (en) | 2016-06-09 | 2016-06-09 | A kind of laser marking system postponing galvanometer action |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620560060.3U CN205733428U (en) | 2016-06-09 | 2016-06-09 | A kind of laser marking system postponing galvanometer action |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880828A (en) * | 2015-06-09 | 2016-08-24 | 广州创乐激光设备有限公司 | Laser marking system for delaying galvanometer operation and laser marking method |
| CN106816824A (en) * | 2017-02-22 | 2017-06-09 | 南通斯派特激光科技有限公司 | A kind of fully-automatic laser obstacle eliminating system and method for trolley line |
| CN108161241A (en) * | 2018-02-26 | 2018-06-15 | 长沙八思量信息技术有限公司 | Laser marking machine control method, device and readable storage medium storing program for executing |
-
2016
- 2016-06-09 CN CN201620560060.3U patent/CN205733428U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880828A (en) * | 2015-06-09 | 2016-08-24 | 广州创乐激光设备有限公司 | Laser marking system for delaying galvanometer operation and laser marking method |
| CN105880828B (en) * | 2015-06-09 | 2018-09-18 | 广州创乐激光设备有限公司 | A kind of laser marking system and laser marking method of the action of delay galvanometer |
| CN106816824A (en) * | 2017-02-22 | 2017-06-09 | 南通斯派特激光科技有限公司 | A kind of fully-automatic laser obstacle eliminating system and method for trolley line |
| CN108161241A (en) * | 2018-02-26 | 2018-06-15 | 长沙八思量信息技术有限公司 | Laser marking machine control method, device and readable storage medium storing program for executing |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170531 Address after: 510820, room 8, 105 West Ling Road, charcoal Town, Huadu District, Guangdong, Guangzhou, China Patentee after: Guangzhou new laser equipment Co., Ltd. Address before: 510405, Guangdong province Guangzhou Baiyun District Taihe Town Mayor village stream bridge 2 Patentee before: GUANGZHOU CHUANGLE LASER EQUIPMENT CO., LTD. |