CN209632323U - A kind of lens of laser cutting head feux rouges detection protection and warning device - Google Patents
A kind of lens of laser cutting head feux rouges detection protection and warning device Download PDFInfo
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- CN209632323U CN209632323U CN201920252799.1U CN201920252799U CN209632323U CN 209632323 U CN209632323 U CN 209632323U CN 201920252799 U CN201920252799 U CN 201920252799U CN 209632323 U CN209632323 U CN 209632323U
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- feux rouges
- cutting head
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Abstract
A kind of lens of laser cutting head feux rouges detection protection and warning device, including focusing microscope base, the dotted probe of feux rouges, protect eyeglass, laser induced module, display screen and control system, the bottom for focusing microscope base is equipped with protection eyeglass, the first mounting hole and the second mounting hole are symmetrically arranged on the side wall for focusing microscope base, the dotted probe of feux rouges is equipped in first mounting hole, laser induced module is equipped in second mounting hole, the dotted probe of feux rouges is connect with the input terminal of control system respectively with laser induced module, the output end of the control system is connected with display screen.Pass through the dotted probe of setting feux rouges and laser induced module; to through protecting the transmissivity of eyeglass reflected light to detect; realize the monitoring of protection eyeglass light transmittance; ensure the normal use of cutting head protection eyeglass in cutting process; it is accurate with detection; it is swift in response, and alarms when protecting eyeglass beam transmittance exception, when being automatically stopped work the characteristics of self-protection.
Description
Technical field
The utility model belongs to laser cut metal plate equipment technical field, and in particular to a kind of lens of laser cutting head
Feux rouges detection protection and warning device.
Background technique
It is well known that laser cut metal plate has unrivaled advantage, the country is to laser cutting machine tool in recent years
Demand increase sharply, optical-fiber laser cutting off machine is convenient for safeguarding due to possessing, and consuming cost is low, and it is many that cutting section is excellent etc.
Advantage is so the growth of demand seems especially prominent.Important composition component of the laser cutting head as laser cutting machine tool, directly
Laser cutting machine tool is influenced to the cut quality of plate.But due to technology, manual operation, working environment difference, this just leads
Cause, protection eyeglass in use for some time, have dust entrance, when light beam beat entrance dust protection eyeglass when, Jiu Huiying
The light transmittance of light beam is rung, eyeglass and focusing lens damage is protected so as to cause laser cutting head, seriously affects cut quality, even
It will have a direct impact on the service life of cutting head.
Utility model content
Utility model aims to solve above-mentioned problems existing in the prior art, provide a kind of laser cutting head mirror
Piece feux rouges detection protection and warning device, by the dotted probe of setting feux rouges and laser induced module, to through protecting lens reflecting
The transmissivity of light is detected, and realizes the monitoring of protection eyeglass light transmittance, it is ensured that cutting head is protecting eyeglass just in cutting process
It is often used, has detection accurate, be swift in response, and alarm when protecting eyeglass beam transmittance exception, be automatically stopped work
When making the characteristics of self-protection, meanwhile, it is capable to carry out for a long time, uninterruptedly detect.Guarantee laser cutting head not in eyeglass dirt
It is used when dye, extends laser cutting head service life.
The utility model is achieved through the following technical solutions:
A kind of lens of laser cutting head feux rouges detection protection and warning device, including focus microscope base, the dotted probe of feux rouges, guarantor
Protecting lens, laser induced module, display screen and control system, the bottom for focusing microscope base are equipped with protection eyeglass, the focusing
It is symmetrically arranged with the first mounting hole and the second mounting hole on the side wall of microscope base, is equipped with the dotted probe of feux rouges in first mounting hole,
Be equipped with laser induced module in second mounting hole, the dotted probe of feux rouges and laser induced module respectively with control system
Input terminal connection, the output end of the control system is connected with display screen.By setting feux rouges it is dotted probe and it is laser induced
Module realizes the monitoring of protection eyeglass light transmittance, it is ensured that cutting process to being protected the transmissivity of eyeglass reflected light to detect
The normal use of middle cutting head protection eyeglass, has detection accurate, is swift in response, and when protecting eyeglass beam transmittance exception
It alarms, when being automatically stopped work the characteristics of self-protection, meanwhile, it is capable to carry out for a long time, uninterruptedly detect.Guarantee to swash
Light cutting head is not used in lens contamination, extends laser cutting head service life.
Angle between the elongated central line of first mounting hole and the elongated central line of the second mounting hole is 120 °.It will
First mounting hole and the second mounting hole are obliquely installed, and make the angle of the extended line of the first mounting hole and the second installation centerline hole
120 °, it is ensured that feux rouges detecting protector is not interfered with cutting head.
The intersection point of the elongated central line of the elongated central line and the second mounting hole of first mounting hole is located at protection eyeglass
The center of circle of upper surface.The intersection point of the elongated central line of first mounting hole and the elongated central line of the second mounting hole is arranged to together
The heart, it is ensured that the accuracy of optical path improves the precision to protection eyeglass light transmittance detection.
The dotted probe of feux rouges uses casting glue encapsulating after being installed with laser induced module.It is used after being installed
Casting glue is potted, it can be ensured that the leakproofness of feux rouges dotted probe and laser induced module guarantees its running precision.
The center of the protection eyeglass is arranged concentrically with the inner hole center for focusing microscope base.Make center and the focusing of protecting eyeglass
The inner hole center of microscope base is arranged concentrically, and the laser of laser cutting head can be made just to pass through at the center of protection eyeglass, it is ensured that right
Protect the accuracy of eyeglass light transmittance detection.
The protection eyeglass is plated film lens.Using plated film lens, the light transmittance of protection eyeglass can be improved, meanwhile, energy
Enough wear-resisting properties for improving protection eyeglass, extend the service life of protection eyeglass.
The upper surface of the protection eyeglass is reflectance coating, and lower surface is anti-reflection film, wherein the reflection film parameters of upper surface
Are as follows: wavelength 1080nm, transmitance is greater than 99.95%, and the feux rouges of 635nm, at 30 °, reflectivity is greater than 90%；Following table
The anti-reflection film parameters in face are that wavelength is 1080nm, and transmitance is greater than 99.95%.Lower surface uses anti-reflection film, can be improved laser
Transmitance, it is ensured that cutting effect, and upper surface use with reflection to red light reflectance coating, in the feelings for not influencing laser transmittance
Feux rouges can be reflected under condition, realize the monitoring to protection eyeglass.
The laser induced module includes photoelectric sensor, current-to-voltage converting circuit and signal amplifier, the photoelectricity
Sensor is connect with current-to-voltage converting circuit, and the current-to-voltage converting circuit is connect with signal amplifier.Photoelectric sensor
Electric current can be generated in the case where illumination, in certain illumination range, photoelectric sensor generate electric current and intensity of illumination at
Linear change；The electric current that photoelectric sensor generates is converted into adjustable voltage value using current-to-voltage converting circuit, and is passed through
Signal amplifier voltage amplification, be converted to the power of reflected light for control system processing electric signal.
The signal amplifier uses low-voltage operational amplifier.Using low-voltage operational amplifier, it is ensured that amplification voltage
It works in the range that normally receives of single-chip microcontroller, improves the sensitivity of feux rouges detecting protector.
The photoelectric sensor uses photodiode.It can reduce and be produced into convenient for materials using photodiode
This.
It further include the warning device being connect with control system.Warning device is set, staff can be reminded to recall properly
Light, allow laser to be pierced by center, improve the cutting efficiency of laser cutting head well, and improve cutting head sensor
The service life of nozzle in component.
Compared with prior art, the utility model has the beneficial effects that
1, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, by the way that red spot is arranged
Shape probe and laser induced module realize protection eyeglass light transmittance to being protected the transmissivity of eyeglass reflected light to detect
Monitoring, it is ensured that the normal use of cutting head protection eyeglass in cutting process has detection accurate, is swift in response, and in protective glass
Alarm when piece beam transmittance exception, when being automatically stopped work the characteristics of self-protection, meanwhile, it is capable to carry out for a long time,
Uninterruptedly detect.Guarantee that laser cutting head is not used in lens contamination, extends laser cutting head service life；
2, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, by the first mounting hole and
Second mounting hole is obliquely installed, and makes 120 ° of angle of the extended line of the first mounting hole and the second installation centerline hole, it is ensured that red
Optical detection protective device is not interfered with cutting head, and the elongated central line of the first mounting hole and the center of the second mounting hole are prolonged
The intersection point setting of long line is concentric, it is ensured that the accuracy of optical path improves the precision to protection eyeglass light transmittance detection；
3, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, use after being installed
Casting glue is potted, it can be ensured that the leakproofness of feux rouges dotted probe and laser induced module guarantees its running precision；
4, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, make to protect in eyeglass
The heart is arranged concentrically with the inner hole center for focusing microscope base, and the laser of laser cutting head can be made just logical at the center of protection eyeglass
It crosses, it is ensured that the accuracy of protection eyeglass light transmittance detection；
5, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, using plated film lens,
It can be improved the light transmittance of protection eyeglass, meanwhile, it is capable to improve the wear-resisting property of protection eyeglass, extend protection eyeglass uses the longevity
Life；
6, a kind of lens of laser cutting head feux rouges detection protection of the utility model and warning device, are arranged warning device,
Staff can be reminded to recall suitable light, laser is allowed to be pierced by center, improve the cutting of laser cutting head well
Efficiency, and improve the service life of nozzle in cutting head sensor module.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model, attached drawing needed in description will be made below
Simply introduce, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the principles of the present invention structural schematic diagram；
Fig. 3 is the workflow schematic diagram of the utility model；
Wherein, 1, focusing microscope base, 2, the dotted probe of feux rouges, 3, protection eyeglass, 4, photoelectric sensor, 5, signal amplifier,
6, control system.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, a kind of lens of laser cutting head feux rouges detection protection and warning device, including focus microscope base 1, feux rouges
Dotted probe 2, protection eyeglass 3, laser induced module, display screen and control system 6, the bottom for focusing microscope base 1, which is equipped with, to be protected
Protecting lens 3 are symmetrically arranged with the first mounting hole and the second mounting hole on the side wall for focusing microscope base 1, in first mounting hole
Equipped with the dotted probe 2 of feux rouges, laser induced module, the dotted probe 2 of feux rouges and laser sense are equipped in second mounting hole
Module is answered to connect respectively with the input terminal of control system 6, the output end of the control system 6 is connected with display screen, wherein first
Mounting hole and the second mounting hole use counter sink, and orifice size is diameter 2mm, and depth 5mm, macropore is having a size of diameter 10mm, deeply
Spend 20mm, it is ensured that through the side wall for focusing microscope base 1, the control system 6 of the application mainly includes controller, and the controller uses
Single-chip microcontroller, specifically, display screen uses liquid crystal display, specific to use using 32 single-chip microcontrollers (STM32F103RCT6)
LCD1602 display screen, display screen is small in size, light-weight, low in energy consumption, and the dotted probe 2 of the feux rouges in the application is visited using high particle
Head, output wavelength 650nm, between 10 °~20 ° the time is used continuously at 8000 hours or more, feux rouges is dotted in light subtended angle out
The incidence angle of probe 2 and protection eyeglass 3 is 60 °, meanwhile, exit positions are just corresponding with laser induced module.It is red by being arranged
Luminous point shape probe 2 and laser induced module realize that protection eyeglass 3 is saturating to being protected the transmissivity of 3 reflected light of eyeglass to detect
The monitoring of light rate, it is ensured that the normal use of cutting head protection eyeglass 3 in cutting process has detection accurate, is swift in response, and
It alarms when protecting 3 beam transmittance exception of eyeglass, when being automatically stopped work the characteristics of self-protection, meanwhile, it is capable to carry out
For a long time, it uninterruptedly detects.Guarantee that laser cutting head is not used in lens contamination, extends laser cutting head and use the longevity
Life.
Angle between the elongated central line of first mounting hole and the elongated central line of the second mounting hole is 120 °.It will
First mounting hole and the second mounting hole are obliquely installed, and make the angle of the extended line of the first mounting hole and the second installation centerline hole
120 °, it is ensured that feux rouges detecting protector is not interfered with cutting head.
The intersection point of the elongated central line of the elongated central line and the second mounting hole of first mounting hole is located at protection eyeglass 3
The center of circle of upper surface.The intersection point of the elongated central line of first mounting hole and the elongated central line of the second mounting hole is arranged to together
The heart, it is ensured that the accuracy of optical path improves the precision to protection 3 light transmittance of eyeglass detection.
The dotted probe 2 of feux rouges uses casting glue encapsulating after being installed with laser induced module.It is adopted after being installed
It is potted with casting glue, it can be ensured that the leakproofness of feux rouges dotted probe 2 and laser induced module guarantees its running precision.
The center of the protection eyeglass 3 is arranged concentrically with the inner hole center for focusing microscope base 1.Make protect eyeglass 3 center with
The inner hole center for focusing microscope base 1 is arranged concentrically, and the laser of laser cutting head can be made just to pass through at the center of protection eyeglass 3,
Ensure the accuracy to protection 3 light transmittance of eyeglass detection.
The protection eyeglass 3 is plated film lens.Using plated film lens, the light transmittance of protection eyeglass 3 can be improved, meanwhile,
It can be improved the wear-resisting property of protection eyeglass 3, extend the service life of protection eyeglass 3.
The upper surface of the protection eyeglass 3 is reflectance coating, and lower surface is anti-reflection film, wherein the reflection film parameters of upper surface
Are as follows: wavelength 1080nm, transmitance is greater than 99.95%, and the feux rouges of 635nm, at 30 °, reflectivity is greater than 90%；Following table
The anti-reflection film parameters in face are that wavelength is 1080nm, and transmitance is greater than 99.95%.Lower surface uses anti-reflection film, can be improved laser
Transmitance, it is ensured that cutting effect, and upper surface use with reflection to red light reflectance coating, in the feelings for not influencing laser transmittance
Feux rouges can be reflected under condition, realize the monitoring to protection eyeglass.
As shown in Fig. 2, the laser induced module includes photoelectric sensor 4, current-to-voltage converting circuit and signal amplification
Device 5, the photoelectric sensor 4 are connect with current-to-voltage converting circuit, and the current-to-voltage converting circuit and signal amplifier 5 connect
It connects.Photoelectric sensor 4 can generate electric current in the case where illumination, in certain illumination range, the electricity of the generation of photoelectric sensor 4
Stream and the linear variation of intensity of illumination；The electric current that photoelectric sensor 4 generates is converted into using current-to-voltage converting circuit adjustable
Voltage value, and by signal amplifier 5 voltage amplification, be converted to the power of reflected light for control system 6 processing
Electric signal.
The signal amplifier 5 uses low-voltage operational amplifier.Using low-voltage operational amplifier, it is ensured that amplification voltage
It works in the range that normally receives of single-chip microcontroller, improves the sensitivity of feux rouges detecting protector.
The photoelectric sensor 4 uses photodiode.It can reduce and be produced into convenient for materials using photodiode
This.
It further include the warning device being connect with control system 6.Warning device is set, staff can be reminded to recall properly
Light, allow laser to be pierced by center, improve the cutting efficiency of laser cutting head well, and improve cutting head sensor
The service life of nozzle in component.
As shown in figure 3, the working principle of a kind of lens of laser cutting head feux rouges detection protection and warning device is as follows:
S1: the power interval of normal work is set in control system 6；
S2: cutting head starts to cut workpiece, positioned at the dotted probe 2 of feux rouges for focusing 1 side of microscope base, along fixed angle red
Light is beaten in protection 3 center of eyeglass；
S3: feux rouges is reflected into the laser induced module of other side along equal angular, and laser induced module will receive
Red signal light be converted to electric signal, electric signal is amplified by signal amplifier 5；
S4: electric signal is conveyed to control system 6 by signal amplifier 5, and directly shows output power P in display screen；
S5: output power P is judged whether within setting power interval (Pmin, Pmax), if so, the normal work of cutting head
Make, if it is not, control and display system alarm, stop operation, prompts replacement protection eyeglass 3.
Wherein, the power interval in S1 is the power at feux rouges sensing point, i.e., the elongated central line of described first mounting hole
With dotted power of the probe at the reflection point of protective glass on piece of the intersection point and feux rouges of the elongated central line of the second mounting hole,
Taking calibration power is Pmax, and the 70% of calibration power is Pmin.
Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art,
On the basis of the utility model discloses application method and principle, it is easy to various types of improvement or deformation are made, without
It is only limitted to method described in the above-mentioned specific embodiment of the utility model, therefore previously described mode is only preferred, and
Not restrictive meaning.
Claims (10)
1. a kind of lens of laser cutting head feux rouges detection protection and warning device, which is characterized in that including focusing microscope base, red spot
Shape probe, protection eyeglass, laser induced module, display screen and control system, the bottom for focusing microscope base are equipped with protection eyeglass,
It is symmetrically arranged with the first mounting hole and the second mounting hole on the side wall for focusing microscope base, is equipped with red spot in first mounting hole
Shape probe, is equipped with laser induced module in second mounting hole, the dotted probe of feux rouges and laser induced module respectively with
The input terminal of control system connects, and the output end of the control system is connected with display screen.
2. a kind of lens of laser cutting head feux rouges detection protection according to claim 1 and warning device, which is characterized in that
Angle between the elongated central line of first mounting hole and the elongated central line of the second mounting hole is 120 °.
3. a kind of lens of laser cutting head feux rouges detection protection according to claim 2 and warning device, which is characterized in that
The intersection point of the elongated central line of the elongated central line and the second mounting hole of first mounting hole is located at protection upper lens surface
The center of circle.
4. a kind of lens of laser cutting head feux rouges detection protection according to claim 1 and warning device, which is characterized in that
The dotted probe of feux rouges uses casting glue encapsulating after being installed with laser induced module.
5. a kind of lens of laser cutting head feux rouges detection protection according to claim 1 and warning device, which is characterized in that
The center of the protection eyeglass is arranged concentrically with the inner hole center for focusing microscope base.
6. a kind of lens of laser cutting head feux rouges detection protection according to claim 5 and warning device, which is characterized in that
The protection eyeglass is plated film lens.
7. a kind of lens of laser cutting head feux rouges detection protection according to claim 6 and warning device, which is characterized in that
The upper surface of the protection eyeglass is reflectance coating, and lower surface is anti-reflection film.
8. a kind of lens of laser cutting head feux rouges detection protection according to claim 1 and warning device, which is characterized in that
The laser induced module includes photoelectric sensor, current-to-voltage converting circuit and signal amplifier, the photoelectric sensor with
Current-to-voltage converting circuit connection, the current-to-voltage converting circuit are connect with signal amplifier.
9. a kind of lens of laser cutting head feux rouges detection protection according to claim 8 and warning device, which is characterized in that
The signal amplifier uses low-voltage operational amplifier.
10. a kind of lens of laser cutting head feux rouges detection protection according to claim 8 and warning device, feature exist
In the photoelectric sensor uses photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252799.1U CN209632323U (en) | 2019-02-27 | 2019-02-27 | A kind of lens of laser cutting head feux rouges detection protection and warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920252799.1U CN209632323U (en) | 2019-02-27 | 2019-02-27 | A kind of lens of laser cutting head feux rouges detection protection and warning device |
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| CN209632323U true CN209632323U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693045A (en) * | 2019-02-27 | 2019-04-30 | 济南森峰科技有限公司 | A kind of lens of laser cutting head feux rouges detection protection and warning device |
-
2019
- 2019-02-27 CN CN201920252799.1U patent/CN209632323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109693045A (en) * | 2019-02-27 | 2019-04-30 | 济南森峰科技有限公司 | A kind of lens of laser cutting head feux rouges detection protection and warning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250000 Innovation workshop f4-6-601, No. 2016, Feiyue Avenue, high tech Zone, Jinan City, Shandong Province (business place):Yuanqiang Street (No. 6333, Lingang North Road) 250000 Innovation workshop f4-6-601, No. 2016, Feiyue Avenue, high tech Zone, Jinan, Shandong (place of business: No. 6333, Lingang North Road, Yaoqiang Street) Patentee after: Jinan senfeng Laser Technology Co.,Ltd. Address before: No. 6333, Lingang North Road, high tech Zone, Jinan, Shandong 250100 Patentee before: JINAN SENFENG TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |