CN110340516A - A kind of laser process equipment and processing method based on temperature detection - Google Patents
A kind of laser process equipment and processing method based on temperature detection Download PDFInfo
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- CN110340516A CN110340516A CN201910542220.XA CN201910542220A CN110340516A CN 110340516 A CN110340516 A CN 110340516A CN 201910542220 A CN201910542220 A CN 201910542220A CN 110340516 A CN110340516 A CN 110340516A
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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
-
- 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
-
- 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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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
Laser process equipment and processing method provided by the invention based on temperature detection, is related to field of laser processing；The process equipment includes laser beam emitting device, temperature detection device, beam merging apparatus and mobile terminal, and temperature detection device includes controller and temperature sensing head, and laser beam emitting device is connected to controller, and controller is connected to mobile terminal；Beam merging apparatus is for acting on processed product after the laser that laser beam emitting device emits and the temperature sensing light that temperature sensing hair is penetrated coaxially are closed beam, and the temperature value adjustment effect for the processed product surface laser hot spot range of exposures that controller is detected according to temperature detection device is in the laser intensity power on processed product surface.The real-time temperature values of Accurate Determining product laser facula range of exposures of the present invention uniformly realize control product laser processing procedure, and then the reliability and processing quality of improving laser converted products in real time by managing the temperature at product laser processing in real time.
Description
Technical field
The present invention relates to field of laser processing, and in particular to a kind of based on the laser process equipment of temperature detection and processing side
Method.
Background technique
For laser cutting in the prior art, welding, mark, drilling, generallys use and individually go control laser power, swash
The spot size of light, the pulse characteristic of laser go to realize cutting, welding, mark, drilling, and this processing method is solid using setting
In material, then machined material absorbs, and works as to reach cutting for fixed laser energy, laser frequency state modulator laser action
Preceding material, two block of material of welding, the purpose of marker material, the present material that drills, laser cutting, the effect of welding, mark, drilling
Laser parameter, material surface impurity, material absorptance by the fixation being set are influenced.It is processed in the prior art in material
In the process, due to lacking the detection control to laser processing procedure, so that the process reliability of laser processing is low.
Such as when plastics weld, metal welds, fragile material drills, special material mark is cut, function is fixed when using
The laser of rate causes the quality of material retrofit that can not manage, not can guarantee laser because the power decay pattern of anomaly of laser changes
The stability of equipment, and the accumulation of laser energy in a certain range at product processing in welding, mark, cutting, drilling
Increase, causes converted products rotten and the deviation of processing effect, the product quality after processing is irregular, and processing quality can not protect
Card and promotion.
Summary of the invention
It is an object of that present invention to provide a kind of laser process equipment and processing method based on temperature detection, by real-time
The temperature of laser processing procedure is detected, the working power of synchronous real-time control laser improves the reliability and processing of product processing
Quality.
To reach above-mentioned purpose, the following technical solutions are proposed: a kind of laser process equipment based on temperature detection by the present invention,
Including laser beam emitting device, temperature detection device, beam merging apparatus and mobile terminal, temperature detection device includes controller and setting
Temperature sensing head in controller, laser beam emitting device are connected to controller, and controller is connected to mobile terminal；Beam merging apparatus
Production to be processed is acted on after the temperature sensing combiner that laser and temperature sensing hair for emitting laser beam emitting device are penetrated
Product, the temperature value for the processed product surface laser hot spot range of exposures that controller is detected according to temperature sensing head adjust laser and send out
The laser output power of injection device.
It is specifically, the beam merging apparatus includes shell, is arranged in the intracorporal prism assemblies of shell, and is connected to shell
Amasthenic lens；The housing first end is provided with the first connectivity port and second connection end mouth, the second end opposite with first end
It is provided with third connectivity port, first connectivity port is used to connect the transmitting terminal of laser beam emitting device, second connection end mouth
For connecting the transmitting terminal of temperature detection device, third connectivity port is for installing amasthenic lens；The second connection end mouth with
The position of third connectivity port is opposite, and the first connectivity port, second connection end mouth and third connectivity port are mutually communicated, and in shell
Body Inner Constitution class Y type channel；The prism assemblies are arranged in class Y type channel, swash for issue laser beam emitting device
The temperature sensing combiner that light and temperature detection device issue, and processed product table is focused on by the outgoing of amasthenic lens center
Face, for being laser machined towards processed products, real-time synchronization obtains processed product surface laser hot spot range of exposures temperature
Angle value.
Temperature setting inspection software is provided in the mobile terminal, the temperature setting inspection software is to be added for presetting
The processing temperature range of chemical product；Swash on the processed product surface that the controller is arranged to obtain in response to temperature sensing head
The comparison result of the temperature value of light hot spot range of exposures and preset processed product processing temperature range: when temperature sensing head is examined
The temperature value for measuring processed product surface laser hot spot range of exposures sets the preset processing temperature of inspection software lower than temperature
When range, controller controls the output power that laser beam emitting device increases laser；When temperature sensing head detects processed product
When the temperature value of surface laser hot spot range of exposures is higher than temperature setting inspection software preset processing temperature range, controller control
Laser beam emitting device processed reduces the output power of laser.
Controller adjusts the function of processing laser according to the temperature value at the processed product surface laser processing obtained in real time
Rate is led to so that temperature value of the processed product in process at processing remains within the scope of the processing temperature of setting
It crosses and real-time control to laser processing procedure, product when laser processing is effectively ensured is reached to the real-time uniform control of processing temperature
The consistency of temperature at processing, improves the process reliability of laser processing and the processing quality of product, avoids because being swashed using fixed
When optical power is processed, the accumulation of product laser energy in a certain range increases, and causes the converted products rotten and processing effect
Deviate.
Further, the prism assemblies include the first collimation lens, the second collimation lens, the first reflecting optics and second
Reflecting optics；Position opposite with the first connectivity port in class Y type channel, the first collimating mirror is arranged in first collimation lens
The first connectivity port is at least closed in projection of the piece in the first connectivity port direction；The second collimation lens setting is logical in class Y type
The position opposite with second connection end mouth in road, projection of second collimation lens in second connection end mouth direction at least close second
Connectivity port；Laser after the first collimation lens collimation is parallel to the temperature sensing light after the second collimation lens collimation；
First reflecting optics are arranged on the laser beam propagation path after collimating in class Y type channel, the first reflecting optics
The structure angle at 45 ° between the laser after collimation；Second reflecting optics are arranged in the temperature after collimating in class Y type channel and visit
It surveys on propagation path of light, the second reflecting optics are parallel to the first reflecting optics, and the front of the second reflecting optics and the first reflection
The front of eyeglass is opposite；Laser projection after the collimation is in the front of the first reflecting optics, and just through the first reflecting optics
Face is reflected in the front of the second reflecting optics；Temperature sensing light projection after the collimation in the back side of the second reflecting optics, and
It transmits in the front of the second reflecting optics；
The front of second reflecting optics receives position and the second reflection of the head-on reflection laser of the first reflecting optics
The position of the back side transmission temperature sensing light of eyeglass is identical, and the direction of the head-on reflection laser of second reflecting optics and the
The direction of the front transmission temperature sensing light of two-mirror piece is identical；The laser of the head-on reflection of second reflecting optics and thoroughly
The temperature sensing light penetrated coaxially closes beam, and is emitted by setting at third connectivity port amasthenic lens center.Beam merging apparatus is efficient
By laser and temperature sensing combiner, so that temperature sensing light stabilization is incident upon on the laser facula on processed product surface, it is real
Temperature value at the laser facula on existing Accurate Determining processed product surface, and then learn at processed product surface laser hot spot
The energy of absorption reaches the accurate control to laser processing procedure.
Further, the first connectivity port of the beam merging apparatus, second connection end mouth and third connectivity port are respectively provided with
For hickey, the first connectivity port is connected to laser beam emitting device using optical fiber cable, and second connection end mouth is connected using optical fiber cable
It is connected to temperature sensing head, third connectivity port is threadedly connected to amasthenic lens；It is connected through a screw thread optical fiber and amasthenic lens, equipment
Install convenient is simple.
Further, the third connectivity port of the beam merging apparatus is connected to processing head light inlet, and the amasthenic lens is adopted
Processing head is connected to camera lens adapter ring；The processing head is that scanning machining head, welding processing head, cutting processing head or drilling add
Foreman；It is of the invention based on the laser process equipment of temperature detection by replace processing head can be applied to welding, mark, cutting or
In the different laser processing procedures such as drilling, it is able to achieve the control to process, the reliability and add that improving laser is processed
Working medium amount.
Further, temperature display module is provided on the controller, the temperature display module is current for showing
The temperature value of the processed product surface laser hot spot range of exposures of temperature sensing head detection.
Further, the laser beam emitting device is emitted to the optical maser wavelength of beam merging apparatus and temperature sensing combiner and is
0.5um-2um。
Further, the mobile terminal is computer, and controller is connected to computer using Ethernet.
In addition, the invention also discloses a kind of processing sides using the above-mentioned laser process equipment based on temperature detection
Method specifically comprises the following steps:
1) start mobile terminal, according to the processing purpose of processed product in the temperature setting inspection software of mobile terminal
The processing temperature range of default processed product；
2) start the laser beam emitting device and temperature detection device in the laser process equipment based on temperature detection；
3) controller obtains the processed product surface laser hot spot range of exposures that temperature sensing head real-time detection is sent
Temperature value, and be compared with preset processing temperature range in temperature setting inspection software；
Controller in response to temperature sensing head detect the temperature value of processed product surface laser hot spot range of exposures with
The comparison result of preset processing temperature range executes following actions:
When temperature sensing head detects that the temperature value of processed product surface laser hot spot range of exposures is set lower than temperature
When the preset processing temperature range of inspection software, controller controls the output power that laser beam emitting device increases laser；
When temperature sensing head detects that the temperature value of processed product surface laser hot spot range of exposures is set higher than temperature
When the preset processing temperature range of inspection software, controller controls the output power that laser beam emitting device reduces laser；
4) circulation step 3) until processed product completes the process.
From the above technical scheme, technical solution of the present invention provides laser process equipment based on temperature detection and
Processing method, obtain it is following the utility model has the advantages that
Laser process equipment disclosed by the invention based on temperature detection, including laser beam emitting device, temperature detection device,
Beam merging apparatus and mobile terminal, temperature detection device include controller and temperature sensing head, and laser beam emitting device is connected to control
Device, controller are connected to mobile terminal；Beam merging apparatus includes shell, amasthenic lens and setting in the intracorporal prism assemblies of shell, is closed
Bundle device is connected to laser beam emitting device and temperature sensing head, and the laser and temperature for emitting laser beam emitting device are visited
The temperature sensing light of gauge head transmitting, which coaxially closes, acts on processed product after beam, controller according to temperature detection device detect to
The temperature value adjustment effect of converted products surface laser hot spot range of exposures is in the laser intensity power on processed product surface.
The real-time temperature values of laser facula range of exposures in the testing product of efficiently and accurately of the present invention, by managing production in real time
Temperature at product laser processing remains within the scope of default temperature, realizes and produces in control product laser processing procedure in real time
The laser energy that product absorb, when avoiding being processed because of fixed laser output power, laser energy is tired at product surface processing
The problem of product increases, and causes converted products rotten and the deviation of processing effect, realizes the closed-loop control of laser processing temperature detection,
And then it is obviously improved the reliability and processing quality of laser processing product.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this
It can be viewed as a part of the subject matter of the disclosure in the case that the design of sample is not conflicting.In conjunction with attached drawing from following
Description in can be more fully appreciated present invention teach that the foregoing and other aspects, embodiment and feature.Of the invention its
His features and/or benefits of additional aspect such as illustrative embodiments will be obvious in the following description, or pass through root
According to present invention teach that specific embodiment practice in learn.
Detailed description of the invention
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, example will be passed through and the embodiments of various aspects of the invention is described in reference to the drawings, in which:
Fig. 1 is that the present invention is based on the structure charts of the laser process equipment of temperature detection；
Fig. 2 is the concrete structure diagram of beam merging apparatus in the present invention；
Fig. 3 is beam merging apparatus internal structure chart in the present invention；
Fig. 4 is that the present invention is based on the preferred embodiments of the laser process equipment of temperature detection.
In figure, the specific meaning that respectively marks are as follows:
1- beam merging apparatus, 1.1- shell, 1.2- amasthenic lens, the first collimation lens of 1.3-, the second collimation lens of 1.4-,
The first reflecting optics of 1.5-, the second reflecting optics of 1.6-, the first connectivity port 1.7-, 1.8- second connection end mouth, 1.9- third
Connectivity port, 2- temperature detection device, 3- laser beam emitting device, 4- mobile terminal, 5- scanning machining head, 6- camera lens adapter ring.
Specific embodiment
In order to better understand the technical content of the present invention, special to lift specific embodiment and institute's accompanying drawings is cooperated to be described as follows.At this
Various aspects in open with reference to the accompanying drawings to describe the present invention, shown in the drawings of the embodiment of many explanations.The implementation of the disclosure
Example does not define including all aspects of the invention.It should be appreciated that a variety of conception and embodiment presented hereinbefore, and below more
Those of describe in detail design and embodiment can in many ways in any one implement, this is because institute of the present invention
Disclosed conception and embodiment are not limited to any embodiment.In addition, some aspects disclosed by the invention can be used alone,
Or it otherwise any appropriately combined is used with disclosed by the invention.
Based on product in the prior art in laser processing procedure, since product working position absorbs the accumulation of laser energy
Gradually increase, the temperature at processing gradually rises, and causes rotten converted products, processing effect deviation and processing quality irregular
The technical issues of, the present invention is directed to propose a kind of laser process equipment and processing method based on temperature detection, is produced by control
Temperature in product laser processing procedure at processing uniformly manages the laser power being incident upon on product, improves the processing effect of product
And processing quality.
Embodiment shown in reference to the accompanying drawing, to of the invention based on the laser process equipment of temperature detection and processing side
Method further specifically introduces.
As shown in connection with fig. 1, a kind of laser process equipment based on temperature detection, including beam merging apparatus 1, temperature detection device
2, laser beam emitting device 3 and mobile terminal 4, temperature detection device 2 include controller and the temperature sensing being arranged in controller
Head, laser beam emitting device 3 are connected to controller, and controller is connected to mobile terminal 4；Beam merging apparatus 1 is for filling Laser emission
The temperature sensing light that the laser and temperature sensing hair for setting 3 transmittings are penetrated acts on processed product, controller root after coaxially closing beam
Swashing for laser beam emitting device 3 is adjusted according to the temperature value of the processed product surface laser hot spot range of exposures of temperature sensing head detection
Optical output power.
Be provided with temperature setting inspection software in the mobile terminal 4, temperature setting inspection software for it is default to
The processing temperature range of converted products, mobile terminal 4 can select one of computer, mobile phone, plate and LED display, control
Device processed is connected to mobile terminal 4 using Ethernet.
The processed product surface laser hot spot that the controller is arranged to obtain in response to temperature sensing head irradiates model
The comparison result of the temperature value and preset processed product processing temperature range that enclose: when temperature sensing head detects production to be processed
When the temperature value of product surface laser hot spot range of exposures is lower than temperature setting inspection software preset processing temperature range, controller
Control the output power that laser beam emitting device 3 increases laser；When temperature sensing head detects processed product surface laser hot spot
When the temperature value of range of exposures is higher than temperature setting inspection software preset processing temperature range, controller controls Laser emission dress
Set the output power of 3 reduction laser.Controller controls the defeated of laser by controlling the input voltage signal of laser beam emitting device 3
Power out, when temperature sensing head detects that the temperature value of processed product surface laser hot spot range of exposures is higher than temperature setting inspection
When surveying the preset processing temperature range of software, controller reduces the voltage signal for being input to laser beam emitting device 3, conversely, control
Device increase is input to the voltage signal of laser beam emitting device 3, the laser power that dynamic regulation laser beam emitting device 3 exports, so that
Temperature at processed product laser processing controls within the scope of preset temperature always.
Wherein, laser beam emitting device 3 is emitted to the optical maser wavelength that beam merging apparatus 1 coaxially closes beam with temperature sensing light and is
0.5um-2um；Temperature sensing head is infrared temperature detecting head, and the temperature sensing light of temperature sensing head outgoing shines through beam merging apparatus 1
It being mapped on product, the optical signal of product feedback is back to temperature sensing head, and the received light signal fed back of temperature sensing head is stronger, to
The temperature value of converted products surface laser hot spot range of exposures is bigger.
The temperature at processed product surface laser processing that controller is obtained in real time according to temperature sensing head in the present invention
Value adjusts the power of processing laser, so that temperature value of the processed product in process at processing remains at setting
Processing temperature within the scope of, by reaching the real-time control to laser processing procedure to the uniform control of processing temperature in real time, protect
The consistency for demonstrate,proving temperature at product processing when laser machining, improves the process reliability of laser processing and the processing quality of product,
When avoiding due to using the processing of fixed laser power, excessive laser energy is accumulated in a certain range at product processing, is caused
The phenomenon that converted products is rotten and the deviation of processing effect.
In conjunction with shown in Fig. 2 and Fig. 3, the beam merging apparatus 1 includes shell 1.1, the prism assemblies being arranged in shell 1.1,
And it is connected to the amasthenic lens 1.2 of shell 1.1；1.1 first end of shell is provided with the first connectivity port 1.7 and second and connects
Connect port 1.8, the second end opposite with first end is provided with third connectivity port 1.9, first connectivity port 1.7 is for connecting
The transmitting terminal of laser beam emitting device 3 is connect, for connecting temperature sensing head, third connectivity port 1.9 is used for second connection end mouth 1.8
Amasthenic lens 1.2 is installed；The second connection end mouth 1.8 is opposite with the position of third connectivity port 1.9, the first connectivity port
1.7, second connection end mouth 1.8 and third connectivity port 1.9 are mutually communicated, and in 1.1 Inner Constitution class Y type channel of shell；Institute
It states prism assemblies to be arranged in class Y type channel, the temperature that the laser and temperature sensing hair for issuing laser beam emitting device 3 go out
Degree detection light coaxially closes beam, and focuses on processed product surface by the outgoing of 1.2 center of amasthenic lens, towards processed products into
Row laser processing, and real-time synchronization obtains the temperature value of processed product surface laser hot spot range of exposures.
Shown in further Fig. 3, the prism assemblies include the first collimation lens 1.3, the second collimation lens 1.4, first
Reflecting optics 1.5 and the second reflecting optics 1.6；First collimation lens 1.3 are arranged in class Y type channel and the first connecting pin
The first connecting pin is at least closed in 1.7 opposite positions of mouth, projection of first collimation lens 1.3 in 1.7 direction of the first connectivity port
Mouth 1.7, for improving the collimation for injecting laser in shell 1.1；Second collimation lens 1.4 are arranged in class Y type channel
The position opposite with second connection end mouth 1.8, projection of second collimation lens 1.4 in 1.8 direction of second connection end mouth are at least sealed
Second connection end mouth 1.8 is closed, for improving the collimation for injecting temperature sensing light in shell 1.1；First collimation lens 1.3
Laser after collimation is parallel to the temperature sensing light after the second collimation lens 1.4 collimation.
First reflecting optics 1.5 are arranged on the laser beam propagation path after collimating in class Y type channel, the first reflecting mirror
Structure angle at 45 ° between laser after piece 1.5 and collimation；After collimation is arranged in class Y type channel in second reflecting optics 1.6
Temperature sensing propagation path of light on, the second reflecting optics 1.6 are parallel to the first reflecting optics 1.5, and the second reflecting optics 1.6
Front it is opposite with the front of the first reflecting optics 1.5；Laser projection after the collimation in the first reflecting optics 1.5 just
Face, and the head-on reflection through the first reflecting optics 1.5 is in the front of the second reflecting optics 1.6；Temperature sensing after the collimation
Light projection is transmitted in the back side of the second reflecting optics 1.6 in the front of the second reflecting optics 1.6；Second reflecting optics
1.6 front receives the position of the head-on reflection laser of the first reflecting optics 1.5 and the back side of the second reflecting optics 1.6 and transmits temperature
The position of degree detection light is identical, and the direction of the head-on reflection laser of second reflecting optics 1.6 and the second reflecting optics 1.6
Front transmission temperature sensing light direction it is identical.
Therefore, the laser of the head-on reflection of second reflecting optics 1.6 and the temperature sensing light of transmission coaxially close beam, and
Coaxially close Shu Houjing cross be arranged in third connectivity port 1.9 1.2 center of amasthenic lens outgoing focus on processed product.
Beam merging apparatus 1 is efficiently by laser and temperature sensing combiner, so that temperature sensing light stabilization is incident upon processed product surface
On laser facula, the temperature value at the laser facula on Accurate Determining processed product surface is realized, and then learn processed product
The laser energy of uptake and accumulation at surface laser hot spot reaches the accurate control to product laser processing procedure.
Fig. 2 and embodiment shown in Fig. 3 are specifically combined, the first connectivity port 1.7, second of the beam merging apparatus 1 connects
Port 1.8 and third connectivity port 1.9 are disposed as hickey, and the first connectivity port 1.7 is connected to laser using optical fiber cable
Emitter 3, second connection end mouth 1.8 are connected to temperature sensing head using optical fiber cable, and third connectivity port 1.9 is threadedly connected to
Amasthenic lens 1.2；Using optical fiber and amasthenic lens 1.2 is threadedly coupled, being conducive to simplification, the present invention is based on the laser of temperature detection
The installation of process equipment improves the convenience of equipment assembling.In addition, in the specific implementation process, the shell 1.1 of beam merging apparatus 1
On can outer connecting connector, connector fixes with other structures again, achievees the purpose that install beam merging apparatus 1.
In some embodiments, square structure directly is set by shell 1.1, fixed spiral shell is set on the side wall of square structure
Bolt is fixed using fixing bolt and other structures.
Embodiment as shown in connection with fig. 4, the laser process equipment of the invention based on temperature detection are applied to laser scanning
Process, specifically, the third connectivity port 1.9 of the beam merging apparatus 1 is threadingly attached to the light inlet of scanning machining head 5,
The amasthenic lens 1.2 is connected to scanning machining head 5 using camera lens adapter ring 6.Configure the scanning machining head 5 of beam merging apparatus 1 again
Applied to product laser marking.
In some embodiments, the third connectivity port 1.9 of beam merging apparatus 1 is configured into connecting welding processing head, cutting processing
On head or drilling processing head, it is applied to the process such as laser welding, laser cutting, laser drill, can realizes and add to corresponding
The control of work process avoids laser processing procedure product from absorbing and accumulates laser energy, causes product processing quality poor, Jin Erti
Rise the reliability and processing quality of laser processing.
In embodiment shown in the drawings, to be provided on controller convenient for observing the temperature at product laser processing in real time
Temperature display module, temperature display module include display screen, the production to be processed for the detection of real-time display Current Temperatures detecting head
The temperature value of product surface laser hot spot range of exposures.
In section Example, for convenient for remotely monitor adjust the laser process equipment based on temperature detection processing temperature,
Wireless communication module is also provided on the controller, wireless communication module is connected to mobile terminal 4, and then staff can
Operation control and adjustment laser process equipment processing temperature are realized long-range.
Gradually increase to solve above-mentioned product working position due to absorbing laser energy accumulation, the temperature at processing is gradually
It increases, leads to the technical problem that converted products is rotten, processing effect deviates and processing quality is not high, the invention also discloses one kind
Using the processing method of the above-mentioned laser process equipment based on temperature detection, specifically comprise the following steps:
1) start mobile terminal first, the temperature according to the processing purpose of processed product in mobile terminal 4 sets detection
The processing temperature range of processed product is preset in software；
2) start the laser beam emitting device 3 and temperature detection device 3 in the laser process equipment based on temperature detection；
3) controller obtains the processed product surface laser hot spot range of exposures that temperature sensing head real-time detection is sent
Temperature value, and be compared with preset processing temperature range in temperature setting inspection software；
Controller in response to temperature sensing head detect the temperature value of processed product surface laser hot spot range of exposures with
The comparison result of preset processing temperature range executes following actions:
When temperature sensing head detects that the temperature value of processed product surface laser hot spot range of exposures is set lower than temperature
When the preset processing temperature range of inspection software, controller controls the output power that laser beam emitting device 3 increases laser；
When temperature sensing head detects that the temperature value of processed product surface laser hot spot range of exposures is set higher than temperature
When the preset processing temperature range of inspection software, controller controls the output power that laser beam emitting device 3 reduces laser；
4) circulation step 3) until processed product completes the process.
The real-time temperature values of laser facula range of exposures in the testing product that the present invention passes through efficiently and accurately, lasting control produce
Real time temperature at product laser processing remains within the scope of default temperature, realizes control product laser processing procedure in real time
The laser energy that middle product absorbs, when avoiding being processed because of fixed laser output power, laser energy at product surface processing
Persistently increase accumulation, constant temperature at product surface processing increases, and causes converted products rotten and the deviation of processing effect
The problem of, and then reach the technical effect of the reliability and processing quality that are obviously improved laser processing product, realize laser processing
The closed-loop control of temperature detection.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of laser process equipment based on temperature detection, including laser beam emitting device and temperature detection device, the temperature
Detection device includes controller and the temperature sensing head that is arranged in controller, which is characterized in that further includes beam merging apparatus and shifting
Dynamic terminal；
The beam merging apparatus includes shell, amasthenic lens and setting in the intracorporal prism assemblies of shell；
The housing first end is provided with the first connectivity port and second connection end mouth, the second end opposite with first end are provided with
Third connectivity port, first connectivity port are used to connect the transmitting terminal of laser beam emitting device, and second connection end mouth is for connecting
Jointing temp detecting head, third connectivity port is for installing amasthenic lens；The position of the second connection end mouth and third connectivity port
It sets relatively, the first connectivity port, second connection end mouth and third connectivity port are mutually communicated, and constitute class Y type inside housings
Channel；
Laser and temperature sensing hair in class Y type channel, for issuing laser beam emitting device is arranged in the prism assemblies
Temperature sensing light out coaxially closes beam, and focuses on processed product surface by the outgoing of amasthenic lens center；
The controller is communicatively coupled to mobile terminal, and temperature setting inspection software is provided in mobile terminal, for it is default to
The processing temperature range of converted products；
The laser beam emitting device is used to emit the laser processing processed product of fixed output power, laser beam emitting device connection
In controller；
The controller is arranged to the processed product surface laser hot spot range of exposures obtained in response to temperature sensing head
The comparison result of temperature value and preset processed product processing temperature range:
When temperature detection device detects the temperature value of processed product surface laser hot spot range of exposures lower than temperature setting inspection
When surveying the preset processing temperature range of software, controller controls the output power that laser beam emitting device increases laser；When temperature is visited
It surveys device and detects that the temperature value of processed product surface laser hot spot range of exposures is preset higher than temperature setting inspection software
When processing temperature range, controller controls the output power that laser beam emitting device reduces laser.
2. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that the prism assemblies packet
Include the first collimation lens, the second collimation lens, the first reflecting optics and the second reflecting optics；
Position opposite with the first connectivity port in class Y type channel is arranged in first collimation lens, and the first collimation lens exist
The first connectivity port is at least closed in the projection of first connectivity port direction；Second collimation lens are arranged in class Y type channel
The second connection is at least closed in the position opposite with second connection end mouth, projection of second collimation lens in second connection end mouth direction
Port；
Laser after the first collimation lens collimation is parallel to the temperature sensing light after the second collimation lens collimation；
First reflecting optics are arranged on the laser beam propagation path after collimating in class Y type channel, the first reflecting optics and standard
Structure angle at 45 ° between laser after straight；The temperature sensing light after collimating in class Y type channel is arranged in second reflecting optics
On propagation path, the second reflecting optics are parallel to the first reflecting optics, and the front of the second reflecting optics and the first reflecting optics
Front it is opposite；
Laser projection after the collimation is in the front of the first reflecting optics, and the head-on reflection through the first reflecting optics is in second
The front of reflecting optics；Temperature sensing light projection after the collimation transmits anti-in second in the back side of the second reflecting optics
Penetrate the front of eyeglass；
The front of second reflecting optics receives position and the second reflecting optics of the head-on reflection laser of the first reflecting optics
Back side transmission temperature sensing light position it is identical, and the direction of the head-on reflection laser of second reflecting optics and second anti-
The direction for penetrating the front transmission temperature sensing light of eyeglass is identical；
The laser of the head-on reflection of second reflecting optics and the temperature sensing light of transmission coaxially close beam, and by setting the
The amasthenic lens center of three connectivity ports is emitted.
3. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that the beam merging apparatus
First connectivity port, second connection end mouth and third connectivity port are disposed as hickey, and the first connectivity port uses optical fiber
Line is connected to laser beam emitting device, and second connection end mouth is connected to temperature sensing head, third connectivity port screw thread using optical fiber cable
It is connected to amasthenic lens.
4. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that the beam merging apparatus
Third connectivity port is connected to processing head light inlet, and the amasthenic lens is connected to processing head using camera lens adapter ring；It is described to add
Foreman is scanning machining head, welding processing head, cutting processing head or drilling processing head.
5. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that the Laser emission dress
Setting and being emitted to the optical maser wavelength that beam merging apparatus coaxially closes beam with temperature sensing light is 0.5um-2um.
6. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that set on the controller
It is equipped with temperature display module, the temperature display module is used to show that the processed product surface of Current Temperatures detecting head detection to be swashed
The temperature value of light hot spot range of exposures.
7. the laser process equipment according to claim 2 based on temperature detection, which is characterized in that the temperature sensing head
For infrared temperature detecting head.
8. the laser process equipment according to claim 1 based on temperature detection, which is characterized in that the mobile terminal is
Computer.
9. the laser process equipment according to claim 8 based on temperature detection, which is characterized in that the controller uses
Ethernet is connected to mobile terminal.
10. a kind of laser processing based on temperature detection, which is characterized in that described in any item using claim 1-9
Laser process equipment based on temperature detection, specifically comprises the following steps:
1) mobile terminal is opened, is preset in the temperature setting inspection software of mobile terminal according to the processing purpose of processed product
The processing temperature range of processed product；
2) start the laser beam emitting device and temperature detection device in the laser process equipment based on temperature detection；
3) controller obtains the temperature for the processed product surface laser hot spot range of exposures that temperature sensing head real-time detection is sent
Value, and be compared with preset processing temperature range in temperature setting inspection software；
Controller detects the temperature value of processed product surface laser hot spot range of exposures in response to temperature sensing head and presets
Processing temperature range comparison result, execute following actions:
When temperature sensing head detects that processed product surface laser hot spot range of exposures temperature value is soft lower than temperature setting detection
When the preset processing temperature range of part, controller controls the output power that laser beam emitting device increases laser；
When temperature sensing head detects that processed product surface laser hot spot range of exposures temperature value is soft higher than temperature setting detection
When the preset processing temperature range of part, controller controls the output power that laser beam emitting device reduces laser；
4) circulation step 3) until processed product completes the process.
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