CN210731347U - Laser processing equipment based on temperature detection - Google Patents
Laser processing equipment based on temperature detection Download PDFInfo
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- CN210731347U CN210731347U CN201920941881.5U CN201920941881U CN210731347U CN 210731347 U CN210731347 U CN 210731347U CN 201920941881 U CN201920941881 U CN 201920941881U CN 210731347 U CN210731347 U CN 210731347U
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Abstract
The utility model provides a laser processing device based on temperature detection, which relates to the laser processing field; the processing equipment comprises a laser emitting device, a temperature detecting device, a beam combining device and a mobile terminal, wherein the temperature detecting device comprises a controller and a temperature detecting head; the beam combining device is used for coaxially combining the laser emitted by the laser emitting device and the temperature detection light emitted by the temperature detection head and then acting on the product to be processed, and the controller is used for adjusting the laser intensity power acting on the surface of the product to be processed according to the temperature value of the laser spot irradiation range on the surface of the product to be processed, which is detected by the temperature detection device. The utility model discloses the real-time temperature value of accurate survey product laser facula irradiation range evenly realizes real-time management and control product laser process through the temperature of real-time management and control product laser process department, and then promotes the reliability and the processingquality of laser process product.
Description
Technical Field
The utility model relates to a laser beam machining field, concretely relates to laser beam machining equipment based on temperature detects.
Background
Aiming at laser cutting, welding, marking and drilling in the prior art, the laser power, the laser spot size and the laser pulse characteristic are controlled independently to realize cutting, welding, marking and drilling, the processing mode is that the laser is controlled to act on a material by setting fixed laser energy and laser frequency parameters and then is absorbed by the processed material, so that the aims of cutting the current material, welding two materials, marking the material and drilling the current material are fulfilled, and the effects of laser cutting, welding, marking and drilling are influenced by the set fixed laser parameters, surface impurities of the material and the light absorption rate of the material. In the material processing process in the prior art, the reliability of the laser processing process is low due to the lack of detection control on the laser processing process.
For example, when plastic welding, metal welding, brittle material drilling and special material marking and cutting are carried out, when laser with fixed power is used, due to the abnormal attenuation change of the power of the laser, the quality of fine material processing cannot be controlled, the stability of laser equipment cannot be ensured, and the accumulation of laser energy in a certain range during the product processing during the welding, marking, cutting and drilling processes is increased, so that the deterioration of processed products and the deviation of processing effects are caused, the quality of the processed products is uneven, and the processing quality cannot be ensured and improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a laser beam machining equipment based on temperature detects, through the temperature to real-time detection laser beam machining process, the processing power of synchronous real-time control laser improves the reliability and the processingquality of product processing.
To achieve the above objective, the present invention provides the following technical solutions: a laser processing device based on temperature detection comprises a laser emitting device, a temperature detecting device, a beam combining device and a mobile terminal, wherein the temperature detecting device comprises a controller and a temperature detecting head arranged in the controller; the beam combining device is used for combining laser emitted by the laser emitting device and temperature detection beams emitted by the temperature detection head and then acting on a product to be processed, and the controller adjusts the laser output power of the laser emitting device according to the temperature value of the irradiation range of the laser facula on the surface of the product to be processed, which is detected by the temperature detection head.
The beam combining device comprises a shell, a prism assembly arranged in the shell and a focusing lens connected with the shell; the first end of the shell is provided with a first connecting port and a second connecting port, the second end opposite to the first end is provided with a third connecting port, the first connecting port is used for connecting the transmitting end of the laser transmitting device, the second connecting port is used for connecting the transmitting end of the temperature detecting device, and the third connecting port is used for installing a focusing lens; the second connecting port and the third connecting port are opposite in position, the first connecting port, the second connecting port and the third connecting port are communicated with each other, and a Y-shaped channel is formed in the shell; the prism assembly is arranged in the Y-shaped channel and used for combining laser emitted by the laser emitting device and temperature detected light emitted by the temperature detecting device, emitting and focusing the combined light on the surface of a product to be processed through the center of the focusing lens, and used for carrying out laser processing on the product to be processed and synchronously acquiring the temperature value of the laser spot irradiation range on the surface of the product to be processed in real time.
The mobile terminal is internally provided with temperature setting detection software, and the temperature setting detection software is used for presetting the processing temperature range of a product to be processed; the controller is set to respond to the comparison result of the temperature value of the irradiation range of the laser facula on the surface of the product to be processed, which is acquired by the temperature probe, and the preset processing temperature range of the product to be processed: when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is lower than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device to increase the output power of the laser; when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is higher than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device to reduce the output power of the laser.
The controller is according to the temperature value of waiting to process product surface laser processing department that acquires in real time, adjust the power of processing laser, make the temperature value of waiting to process the product in the course of working processing department remain throughout in the processing temperature range of settlement, reach the real-time management and control to laser process through the real-time even management and control to processing temperature, effectively guarantee the uniformity of product processing department temperature during laser processing, improve the process reliability of laser processing and the processingquality of product, avoid adding man-hour because of adopting fixed laser power, the product increases at the accumulation of certain within range laser energy, cause the processing product to deteriorate and the skew of result of processing.
Further, the prism assembly comprises a first collimating lens, a second collimating lens, a first reflecting lens and a second reflecting lens; the first collimating lens is arranged in the Y-shaped channel and opposite to the first connecting port, and the projection of the first collimating lens in the direction of the first connecting port at least seals the first connecting port; the second collimating lens is arranged in the Y-shaped channel and opposite to the second connecting port, and the projection of the second collimating lens in the direction of the second connecting port at least seals the second connecting port; the laser collimated by the first collimating lens is parallel to the temperature detection light collimated by the second collimating lens;
the first reflecting mirror is arranged on a collimated laser propagation path in the Y-like channel, and a 45-degree included angle is formed between the first reflecting mirror and the collimated laser; the second reflector is arranged on a transmission path of the temperature detection light after collimation in the Y-shaped channel, the second reflector is parallel to the first reflector, and the front surface of the second reflector is opposite to the front surface of the first reflector; the collimated laser is projected on the front surface of the first reflector and is reflected on the front surface of the second reflector through the front surface of the first reflector; the collimated temperature detection light is projected on the back surface of the second reflector and is transmitted on the front surface of the second reflector;
the position of the front surface of the second reflector mirror receiving the front surface reflected laser of the first reflector mirror is the same as the position of the back surface of the second reflector mirror transmitting the temperature detection light, and the direction of the front surface reflected laser of the second reflector mirror is the same as the direction of the front surface transmitted temperature detection light of the second reflector mirror; and the laser reflected by the front surface of the second reflector and the transmitted temperature detection light are coaxially combined and are emitted out through the center of a focusing lens arranged at the third connecting port. The beam combining device is efficient in combining laser and temperature detection light, so that the temperature detection light is stably projected onto the laser spot on the surface of a product to be processed, the temperature value of the laser spot on the surface of the product to be processed is accurately determined, the energy absorbed by the laser spot on the surface of the product to be processed is obtained, and the laser processing process is accurately controlled.
Furthermore, a first connection port, a second connection port and a third connection port of the beam combining device are all set as threaded interfaces, the first connection port is connected to the laser emitting device through an optical fiber line, the second connection port is connected to the temperature detecting head through an optical fiber line, and the third connection port is connected to the focusing lens through a thread; through threaded connection optic fibre and focusing lens, equipment fixing is convenient simple.
Furthermore, a third connecting port of the beam combining device is connected to a light inlet of the processing head, and the focusing lens is connected to the processing head by a lens adapter ring; the processing head is a scanning processing head, a welding processing head, a cutting processing head or a drilling processing head; the utility model discloses a laser beam machining equipment based on temperature detects can be applied to the welding through changing the processing head, beat the laser beam machining in-process of difference such as mark, cutting or drilling, and the homoenergetic realizes promoting laser beam machining's reliability and processingquality to the management and control of course of working.
Furthermore, a temperature display module is arranged on the controller and used for displaying the temperature value of the irradiation range of the laser spot on the surface of the product to be processed, which is detected by the current temperature detecting head.
Further, the laser emitting device emits light to the beam combining device and the laser wavelength of the temperature detection light combining beam is 0.5um-2 um.
Furthermore, the mobile terminal is a computer, and the controller is connected to the computer by adopting an Ethernet.
According to the technical scheme provided by the utility model, the laser beam machining equipment based on temperature detection that technical scheme provided has obtained following beneficial effect:
the utility model discloses a laser processing equipment based on temperature detection, including laser emitter, temperature detecting device, beam combining device and mobile terminal, temperature detecting device includes controller and temperature detecting head, and laser emitter is connected in the controller, and the controller is connected in mobile terminal; the beam combining device comprises a shell, a focusing lens and a prism assembly arranged in the shell, the beam combining device is connected with the laser emitting device and the temperature detecting head respectively and is used for coaxially combining laser emitted by the laser emitting device and temperature detecting light emitted by the temperature detecting head and then acting on a product to be processed, and the controller adjusts the laser intensity power acting on the surface of the product to be processed according to the temperature value of the irradiation range of the laser spot on the surface of the product to be processed detected by the temperature detecting device.
The utility model discloses the high-efficient accurate real-time temperature value of laser spot irradiation range on detecting the product, the temperature through real-time management and control product laser processing department remains throughout at predetermined temperature range, realize the absorptive laser energy of product among the real-time management and control product laser processing process, avoid adding man-hour because of fixed laser output power, the accumulation of product surface processing department laser energy increases, lead to the rotten problem of skew with the processing effect of processing product, realize the closed-loop control that laser processing temperature detected, and then show reliability and processingquality who promotes the laser processing product.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a structural diagram of the laser processing equipment based on temperature detection according to the present invention;
fig. 2 is a specific structure diagram of the beam combining device of the present invention;
FIG. 3 is a view showing an internal structure of the beam combining device of the present invention;
fig. 4 is a preferred embodiment of the laser processing device based on temperature detection.
In the figure, the specific meaning of each mark is:
1-beam combining device, 1.1-shell, 1.2-focusing lens, 1.3-first collimating lens, 1.4-second collimating lens, 1.5-first reflecting lens, 1.6-second reflecting lens, 1.7-first connecting port, 1.8-second connecting port, 1.9-third connecting port, 2-temperature detecting device, 3-laser emitting device, 4-mobile terminal, 5-scanning processing head and 6-lens adapter ring.
Detailed Description
For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not intended to include all aspects of the present invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.
Based on among the prior art product when laser beam machining process, because the accumulation of product processing position absorption laser energy increases gradually, the temperature of processing department risees gradually, leads to the technical problem that the processing product is rotten, the processing effect is skew and the processingquality is uneven, the utility model aims at providing a laser beam machining equipment and processing method based on temperature detects, through the even management and control of temperature of processing department in the management and control product laser beam machining process throw the laser power on the product, improve the processing effect and the processingquality of product.
The laser processing apparatus and the processing method based on temperature detection according to the present invention will be further specifically described with reference to the embodiments shown in the drawings.
Referring to fig. 1, a laser processing apparatus based on temperature detection includes a beam combining device 1, a temperature detecting device 2, a laser emitting device 3 and a mobile terminal 4, where the temperature detecting device 2 includes a controller and a temperature detecting head disposed in the controller, the laser emitting device 3 is connected to the controller, and the controller is connected to the mobile terminal 4; the beam combining device 1 is used for coaxially combining laser emitted by the laser emitting device 3 and temperature detection light emitted by the temperature detection head and acting on a product to be processed, and the controller adjusts the laser output power of the laser emitting device 3 according to the temperature value of the irradiation range of the laser spot on the surface of the product to be processed, which is detected by the temperature detection head.
The temperature setting detection software is arranged in the mobile terminal 4 and used for presetting the processing temperature range of a product to be processed, the mobile terminal 4 can select one of a computer, a mobile phone, a tablet and an LED display screen, and the controller is connected to the mobile terminal 4 through the Ethernet.
The controller is set to respond to the comparison result of the temperature value of the irradiation range of the laser facula on the surface of the product to be processed, which is acquired by the temperature probe, and the preset processing temperature range of the product to be processed: when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is lower than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device 3 to increase the output power of the laser; when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is higher than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device 3 to reduce the output power of the laser. The controller controls the output power of laser by controlling the input voltage signal of the laser emitting device 3, when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is higher than the preset processing temperature range of the temperature setting detection software, the controller reduces the voltage signal input to the laser emitting device 3, otherwise, the controller increases the voltage signal input to the laser emitting device 3 and dynamically adjusts the laser power output by the laser emitting device 3, so that the temperature of the laser processing part of the product to be processed is always controlled within the preset temperature range.
Wherein, the laser wavelength of the coaxial beam combination of the laser emitting device 3 and the beam combining device 1 and the temperature detecting light is 0.5um-2 um; the temperature detecting head is an infrared temperature detecting head, temperature detecting light emitted by the temperature detecting head irradiates the product through the beam combining device 1, an optical signal fed back by the product returns to the temperature detecting head, and the stronger the feedback optical signal received by the temperature detecting head is, the larger the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is.
The utility model discloses the controller is according to the temperature value of waiting to process product surface laser processing department that the temperature detection head acquireed in real time, adjust the power of processing laser, make the temperature value of waiting to process the product processing department in the course of working remain throughout in the processing temperature range of settlement, reach the real-time management and control to laser processing process through the even management and control of real-time to processing temperature, guarantee the uniformity of laser processing during product processing department temperature, improve the process reliability of laser processing and the processingquality of product, avoid adding man-hour owing to adopt fixed laser power, product processing is in the laser energy of accumulation excess in the certain limit, lead to processing the rotten phenomenon with the skew of processing effect of product.
As shown in fig. 2 and fig. 3, the beam combiner 1 includes a housing 1.1, a prism assembly disposed in the housing 1.1, and a focusing lens 1.2 connected to the housing 1.1; a first end of the shell 1.1 is provided with a first connecting port 1.7 and a second connecting port 1.8, a second end opposite to the first end is provided with a third connecting port 1.9, the first connecting port 1.7 is used for connecting a transmitting end of the laser transmitting device 3, the second connecting port 1.8 is used for connecting a temperature probe, and the third connecting port 1.9 is used for installing a focusing lens 1.2; the second connection port 1.8 is opposite to the third connection port 1.9, the first connection port 1.7, the second connection port 1.8 and the third connection port 1.9 are communicated with each other, and a Y-shaped channel is formed inside the shell 1.1; the prism assembly is arranged in the Y-shaped channel and used for coaxially combining laser emitted by the laser emitting device 3 and temperature detection light emitted by the temperature detection head, emitting and focusing the laser and the temperature detection light on the surface of a product to be processed through the center of the focusing lens 1.2, performing laser processing on the product to be processed, and synchronously acquiring the temperature value of the laser spot irradiation range on the surface of the product to be processed in real time.
As further shown in fig. 3, the prism assembly includes a first collimating optic 1.3, a second collimating optic 1.4, a first reflective optic 1.5, and a second reflective optic 1.6; the first collimating lens 1.3 is arranged in the Y-shaped channel and opposite to the first connecting port 1.7, and the projection of the first collimating lens 1.3 in the direction of the first connecting port 1.7 at least seals the first connecting port 1.7, so that the collimation of the laser emitted into the shell 1.1 is improved; the second collimating lens 1.4 is arranged in the Y-shaped channel and opposite to the second connecting port 1.8, and the projection of the second collimating lens 1.4 in the direction of the second connecting port 1.8 at least closes the second connecting port 1.8, so that the collimation of the temperature detection light which is emitted into the shell 1.1 is improved; the laser light collimated by the first collimating lens 1.3 is parallel to the temperature detection light collimated by the second collimating lens 1.4.
The first reflecting mirror 1.5 is arranged on a collimated laser propagation path in the Y-like channel, and a 45-degree included angle is formed between the first reflecting mirror 1.5 and the collimated laser; the second reflector 1.6 is arranged on the transmission path of the temperature detection light after collimation in the Y-shaped channel, the second reflector 1.6 is parallel to the first reflector 1.5, and the front surface of the second reflector 1.6 is opposite to the front surface of the first reflector 1.5; the collimated laser is projected on the front surface of the first reflector 1.5 and is reflected on the front surface of the second reflector 1.6 through the front surface of the first reflector 1.5; the collimated temperature detection light is projected on the back surface of the second reflector 1.6 and is transmitted on the front surface of the second reflector 1.6; the position of the front surface of the second reflector 1.6 receiving the front surface reflected laser light of the first reflector 1.5 is the same as the position of the back surface of the second reflector 1.6 transmitting the temperature detection light, and the direction of the front surface reflected laser light of the second reflector 1.6 is the same as the direction of the front surface transmitting the temperature detection light of the second reflector 1.6.
Therefore, the laser reflected by the front surface of the second reflector 1.6 and the transmitted temperature detection light are coaxially combined, and after being coaxially combined, the laser and the transmitted temperature detection light are emitted and focused to a product to be processed through the center of the focusing lens 1.2 arranged at the third connecting port 1.9. The beam combining device 1 is efficient in combining laser and temperature detection light, so that the temperature detection light is stably projected onto a laser spot on the surface of a product to be processed, the temperature value of the laser spot on the surface of the product to be processed is accurately determined, the laser spot on the surface of the product to be processed is learned to absorb accumulated laser energy, and the laser processing process of the product is accurately controlled.
Specifically, with reference to the embodiments shown in fig. 2 and fig. 3, the first connection port 1.7, the second connection port 1.8, and the third connection port 1.9 of the beam combining device 1 are all configured as threaded interfaces, the first connection port 1.7 is connected to the laser emitting device 3 by using an optical fiber line, the second connection port 1.8 is connected to the temperature probe by using an optical fiber line, and the third connection port 1.9 is connected to the focusing lens 1.2 by threads; adopt threaded connection optic fibre and focusing lens 1.2, be favorable to simplifying the utility model discloses laser beam machining equipment's installation based on temperature detects improves equipment assembling's convenience. In addition, in the specific implementation process, the shell 1.1 of the beam combining device 1 can be externally connected with a connecting piece, and the connecting piece is fixed with other structures, so that the purpose of mounting the beam combining device 1 is achieved.
In some embodiments, the housing 1.1 is directly configured to be a square structure, and the side wall of the square structure is provided with a fixing bolt, and is fixed with other structures by using the fixing bolt.
Combine the embodiment that fig. 4 shows, the utility model discloses a laser beam machining equipment based on temperature detects is applied to the laser scanning process, specifically does, third connection port 1.9 that closes beam device 1 passes through threaded connection in the light inlet of scanning processing head 5, focus lens 1.2 adopts camera lens adapter ring 6 to connect in scanning processing head 5. The scanning processing head 5 provided with the beam combining device 1 is applied to product laser marking.
In some embodiments, the third connection port 1.9 of the beam combining device 1 is configured and connected to the welding processing head, the cutting processing head or the drilling processing head, and is applied to the laser welding, the laser cutting, the laser drilling and other processing processes, so that the control of the corresponding processing process can be realized, the product absorption and accumulation of laser energy in the laser processing process are avoided, the product processing quality is poor, and the reliability and the processing quality of the laser processing are further improved.
In the embodiment shown in the attached drawings, in order to observe the temperature of the laser processing position of the product in real time, the controller is provided with a temperature display module, and the temperature display module comprises a display screen for displaying the temperature value of the laser spot irradiation range of the surface of the product to be processed, which is detected by the current temperature detecting head, in real time.
In some embodiments, the processing temperature of the laser processing equipment based on temperature detection is adjusted for convenience of remote monitoring, a wireless communication module is further arranged on the controller and connected to the mobile terminal 4, and then the working personnel can remotely realize operation management and control and adjust the processing temperature of the laser processing equipment.
For solving foretell product processing position because absorption laser energy accumulation increases gradually, the temperature of processing department risees gradually, leads to the technical problem that the processing product is rotten, the processing effect is skew and processingquality is not high, the utility model also discloses a processing method of adopting foretell laser processing equipment based on temperature detects specifically includes following step:
1) firstly, starting the mobile terminal, and presetting a processing temperature range of a product to be processed in temperature setting detection software of the mobile terminal 4 according to a processing purpose of the product to be processed;
2) starting a laser emitting device 3 and a temperature detecting device 3 in the laser processing equipment based on temperature detection;
3) the controller acquires a temperature value of a laser spot irradiation range on the surface of a product to be processed, which is detected and sent by a temperature detection head in real time, and compares the temperature value with a processing temperature range preset in temperature setting detection software;
the controller responds to the comparison result of the temperature value of the laser spot irradiation range on the surface of the product to be processed detected by the temperature probe and the preset processing temperature range, and executes the following actions:
when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is lower than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device 3 to increase the output power of the laser;
when the temperature probe detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is higher than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emitting device 3 to reduce the output power of the laser;
4) and 3) circulating the step 3) until the product to be processed is processed.
The utility model discloses a high-efficient accurate real-time temperature value of laser spot irradiation range on detecting the product, the real-time temperature that lasts management and control product laser processing department remains throughout at predetermined temperature range, realize the absorptive laser energy of product among the real-time management and control product laser processing process, avoid adding man-hour because of fixed laser output power, product surface machining department laser energy lasts and increases the accumulation, the temperature of product surface machining department lasts and rises, lead to the rotten and skew problem of processing effect of processing product, and then reach and show the reliability that promotes the laser processing product and the technological effect of processingquality, realize the closed-loop control that laser processing temperature detected.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.
Claims (9)
1. A laser processing device based on temperature detection comprises a laser emitting device and a temperature detecting device, wherein the temperature detecting device comprises a controller and a temperature detecting head arranged in the controller, and is characterized by further comprising a beam combining device and a mobile terminal;
the beam combining device comprises a shell, a focusing lens and a prism assembly arranged in the shell;
a first connecting port and a second connecting port are arranged at the first end of the shell, a third connecting port is arranged at the second end opposite to the first end, the first connecting port is used for connecting a transmitting end of a laser transmitting device, the second connecting port is used for connecting a temperature detecting head, and the third connecting port is used for installing a focusing lens; the second connecting port and the third connecting port are opposite in position, the first connecting port, the second connecting port and the third connecting port are communicated with each other, and a Y-shaped channel is formed in the shell;
the prism assembly is arranged in the Y-shaped channel and is used for coaxially combining laser emitted by the laser emitting device and temperature detection light emitted by the temperature detection head and emitting and focusing the laser and the temperature detection light on the surface of a product to be processed through the center of the focusing lens;
the controller is in communication connection with the mobile terminal, and temperature setting detection software is arranged in the mobile terminal and used for presetting the processing temperature range of a product to be processed;
the laser emitting device is used for emitting laser with fixed output power to process a product to be processed and is connected with the controller;
the controller is set to respond to the comparison result of the temperature value of the irradiation range of the laser facula on the surface of the product to be processed, which is acquired by the temperature probe, and the preset processing temperature range of the product to be processed:
when the temperature detection device detects that the temperature value of the laser spot irradiation range on the surface of the product to be processed is lower than the processing temperature range preset by the temperature setting detection software, the controller controls the laser emission device to increase the output power of the laser; when the temperature detecting device detects that the temperature value of the irradiation range of the laser facula on the surface of the product to be processed is higher than the processing temperature range preset by the temperature setting and detecting software, the controller controls the laser emitting device to reduce the output power of the laser.
2. The temperature detection-based laser processing apparatus of claim 1, wherein the prism assembly comprises a first collimating optic, a second collimating optic, a first reflective optic, and a second reflective optic;
the first collimating lens is arranged in the Y-shaped channel and opposite to the first connecting port, and the projection of the first collimating lens in the direction of the first connecting port at least seals the first connecting port; the second collimating lens is arranged in the Y-shaped channel and opposite to the second connecting port, and the projection of the second collimating lens in the direction of the second connecting port at least seals the second connecting port;
the laser collimated by the first collimating lens is parallel to the temperature detection light collimated by the second collimating lens;
the first reflecting mirror is arranged on a collimated laser propagation path in the Y-like channel, and a 45-degree included angle is formed between the first reflecting mirror and the collimated laser; the second reflector is arranged on a transmission path of the temperature detection light after collimation in the Y-shaped channel, the second reflector is parallel to the first reflector, and the front surface of the second reflector is opposite to the front surface of the first reflector;
the collimated laser is projected on the front surface of the first reflector and is reflected on the front surface of the second reflector through the front surface of the first reflector; the collimated temperature detection light is projected on the back surface of the second reflector and is transmitted on the front surface of the second reflector;
the position of the front surface of the second reflector mirror receiving the front surface reflected laser of the first reflector mirror is the same as the position of the back surface of the second reflector mirror transmitting the temperature detection light, and the direction of the front surface reflected laser of the second reflector mirror is the same as the direction of the front surface transmitted temperature detection light of the second reflector mirror;
and the laser reflected by the front surface of the second reflector and the transmitted temperature detection light are coaxially combined and emitted out through the center of a focusing lens arranged at the third connecting port.
3. The laser processing device based on temperature detection as claimed in claim 1, wherein the first connection port, the second connection port and the third connection port of the beam combining device are all configured as screw interfaces, the first connection port is connected to the laser emitting device by using an optical fiber line, the second connection port is connected to the temperature detecting head by using an optical fiber line, and the third connection port is connected to the focusing lens by screw threads.
4. The laser processing equipment based on temperature detection as claimed in claim 1, wherein the third connection port of the beam combining device is connected to a light inlet of a processing head, and the focusing lens is connected to the processing head by a lens adapter ring; the processing head is a scanning processing head, a welding processing head, a cutting processing head or a drilling processing head.
5. The laser processing equipment based on temperature detection as claimed in claim 1, wherein the laser wavelength emitted by the laser emitting device to the beam combining device and coaxially combined with the temperature detection light is 0.5um-2 um.
6. The laser processing device based on temperature detection as claimed in claim 1, wherein a temperature display module is disposed on the controller, and the temperature display module is used for displaying the temperature value of the laser spot irradiation range on the surface of the product to be processed detected by the current temperature detecting head.
7. The temperature sensing based laser processing apparatus of claim 2, wherein the temperature probe is an infrared temperature probe.
8. The laser processing device based on temperature detection as claimed in claim 1, wherein the mobile terminal is a computer.
9. The laser processing apparatus based on temperature detection as claimed in claim 8, wherein the controller is connected to the mobile terminal using ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920941881.5U CN210731347U (en) | 2019-06-21 | 2019-06-21 | Laser processing equipment based on temperature detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920941881.5U CN210731347U (en) | 2019-06-21 | 2019-06-21 | Laser processing equipment based on temperature detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340516A (en) * | 2019-06-21 | 2019-10-18 | 苏州市长峰激光技术有限公司 | A kind of laser process equipment and processing method based on temperature detection |
| CN113664369A (en) * | 2021-07-22 | 2021-11-19 | 深圳泰德激光科技有限公司 | Laser welding system, method, controller, and computer-readable storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340516A (en) * | 2019-06-21 | 2019-10-18 | 苏州市长峰激光技术有限公司 | A kind of laser process equipment and processing method based on temperature detection |
| CN113664369A (en) * | 2021-07-22 | 2021-11-19 | 深圳泰德激光科技有限公司 | Laser welding system, method, controller, and computer-readable storage medium |
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