Optical glass surface treatment process based on ultrafast laser technology

Abstract

The invention discloses an optical glass surface treatment process based on the ultrafast laser technology, and relates to the technical field of optical glass, an optical glass surface treatment device based on the ultrafast laser technology comprises a machining table, and supporting columns are fixedly connected to the four corners of the top of the machining table. A clamping assembly and a monitoring structure are used for ensuring that the surface of a material is clean and flawless, appearance size data of the material are accurately obtained, then key parameters, including the pulse width, the energy density, the scanning speed and the path, of an ultrafast laser 27 are accurately adjusted through a parameter setter according to the needed surface treatment effect and the obtained data, and the surface treatment effect of the material is improved. And in the laser precise treatment stage, the optical element is adjusted by using the adjusting mechanism to ensure that the laser beam is precisely focused on the surface of the optical glass to form a preset micro-nano structure or cutting structure, so that the process can efficiently and precisely treat the surface of the optical glass, the functional requirements are met, and the precision and efficiency of surface treatment of the optical glass are improved.

Description

Technical Field

[0001] The invention relates to the technical field of optical glass, and in particular to an optical glass surface treatment process based on ultrafast laser technology. Background Art

[0002] Optical glass is a glass that can change the direction of light propagation and the relative spectral distribution of ultraviolet, visible or infrared light. Optical glass has excellent light transmittance and can allow most visible light and ultraviolet light to pass through, ensuring that optical instruments can clearly transmit images and information during use. Therefore, in the process of preparing optical glass, its surface needs to be processed.

[0003] The defects of the existing optical glass surface treatment process are: 1. Patent document US20150210591A1 discloses a glass container surface treatment process. However, the glass container surface treatment process in the above document requires workers to manually micro-carve during processing, especially for micro-structure processing, which has technical problems of low processing accuracy and efficiency; 2. Patent document US4343116A discloses a glass surface treatment process, but the glass surface treatment process in the above document has technical problems of low automation and intelligence levels; 3. Patent document JPH0577599A discloses a surface treatment process such as metallic glass of air permeable sheet. However, the glass surface treatment process in the above document cannot remove the outline or form micro-nano structure with a pulse width of femtosecond or picosecond level. Therefore, the existing treatment process has technical problems of low flexibility and accuracy. 4. Patent document CN111215968A discloses a method for optical glass surface forming. However, the optical glass surface forming method in the above document has the technical problem that it can only perform large-area polishing treatment and it is difficult to form micro-nano structures on the surface of the optical glass. Summary of the invention

[0004] The purpose of the present invention is to provide an optical glass surface treatment process based on ultrafast laser technology to solve the technical problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an optical glass surface treatment process based on ultrafast laser technology, the optical glass surface treatment process based on ultrafast laser technology is completed by using an optical glass surface treatment device based on ultrafast laser technology, the optical glass surface treatment device based on ultrafast laser technology comprises a processing table, the four corners of the top of the processing table are fixedly connected with support columns, the top of the support column is fixedly connected with a top plate, the bottom of the top plate is fixedly connected with a slide rail, the outer wall of the slide rail is movably connected with a slider, the bottom of the slider is fixedly connected with a first hydraulic cylinder component, the bottom of the first hydraulic cylinder component is fixedly connected with a mounting plate, the bottom of the mounting plate is installed with a clamping assembly, the clamping assembly is used to clamp the optical glass material, and the bottom of the mounting plate is installed with a camera component for detection; The optical glass surface treatment process based on ultrafast laser technology has the following steps: Step S1, preparation stage: using a clamping assembly to clamp and move the selected optical glass material, so as to facilitate surface cleaning, and performing real-time monitoring through a monitoring structure to ensure that the surface is clean and flawless without any impurities attached, and at the same time obtaining the appearance size data of the optical glass material; Step S2, laser parameter setting: according to the required surface treatment effect and the acquired appearance size data, the key parameters of the ultrafast laser, including pulse width, energy density, scanning speed and scanning path, are adjusted through the parameter setter to ensure the accuracy and controllability of the laser treatment process; Step S3, laser precision processing: using the set key parameters and using the adjustment mechanism to adjust the position and angle of the optical element to ensure that the laser beam is accurately focused on the optical glass surface restricted by the adsorption device, and then accurately forming a predetermined micro-nano structure or cutting structure on the glass surface to meet specific optical or functional requirements; Step S4, collection and processing: collecting and storing the optical glass after laser treatment.

[0006] Preferably, the clamping assembly in step S1 includes a slide groove, and the slide groove is opened at the bottom of the mounting plate, and moving blocks are movably connected at both ends of the slide groove, and a bidirectional lead screw is threaded through one side of the moving block, and one end of the bidirectional lead screw passes through the inner wall of the slide groove and is installed with a first servo motor component, and one end of the first servo motor component is installed on the outer wall of the mounting plate, and a second hydraulic cylinder component is fixedly connected to the bottom of the moving block, and a fixed block is fixedly connected to the bottom of the second hydraulic cylinder component, and a second servo motor component is installed at one end of the fixed block, and an output end of the second servo motor component passes through the fixed block and is fixedly connected to a clamping plate, and a plurality of first vacuum suction cup components are installed on one side of the clamping plate, and a plurality of first air pump components are embedded and installed on the other side of the clamping plate, and the first air pump component is connected to the first vacuum suction cup component through a pipeline; A cleaning box is provided at the tail end of the top of the processing table, the interior of the cleaning box is filled with cleaning liquid, an ultrasonic generator component is provided in the middle of the bottom wall of the cleaning box, and air drying plates are installed at the front and rear ends of the top of the cleaning box, and a number of fan components are embedded and installed on the inner wall of the air drying plate; A transport trough is provided at the front end of the top of the processing table, a conveyor is installed inside the transport trough, a plurality of support frames are installed on the surface of the transmission belt of the conveyor, a plurality of second vacuum suction cup components are provided on the top of the support frame, the second vacuum suction cup components are connected to the second air pump components through pipelines, and the second air pump components are embedded and installed on the top of the support frame; An ultrafast laser is installed at the bottom of the top plate, and the installation position of the ultrafast laser is located in front of the slide rail.

[0007] Preferably, the monitoring structure in step S1 includes a camera component, which is used to collect material data and dimensional data of the optical glass material during the surface cleaning process of the optical glass material, and transmit the collected data to the human-computer interaction component via wired or wireless means. The human-computer interaction component serves as a processing center and includes a data display and monitoring component, a parameter setting and adjustment component, a fault diagnosis and early warning component, and a data storage and query component.

[0008] Preferably, the data display and monitoring component is used to display in real time the material data and dimension data of the optical glass material collected by the camera component, as well as the power data of the ultrasonic generator component; The parameter setting and adjustment component is used to accurately set and adjust the parameters of various electrical components in the optical glass surface treatment device through the human-computer interaction component according to the optical glass material size data.

[0009] Preferably, the fault diagnosis and warning component is used to send out a warning signal and display corresponding fault information when an abnormality or fault is detected; The data storage and query component is used to store the collected data, set parameters, and abnormal and warning information as historical data, and can query the historical data at any time through the human-computer interaction component.

[0010] Preferably, the parameter setter in step S2 is electrically connected to the human-machine interaction component, and is used to input the required laser processing parameters through the interface of the human-machine interaction component, and send the input laser processing parameters to the parameter setter; The parameter setter includes a pulse width setting component, an energy density setting component, a scanning speed setting component, a scanning path setting component and a verification component.

[0011] Preferably, the pulse width setting component selects a pulse width of femtosecond or picosecond level according to the collected material data and size data of the optical glass material, so as to remove burrs or form micro-nano structures; The energy density setting component selects and sets the precise energy density for fine processing and surface modification according to the collected material data and size data of the optical glass material.

[0012] Preferably, the scanning speed setting component selects and sets a precise scanning speed according to the material data and dimension data of the collected optical glass material, so as to form a uniform micro-nano structure and deep processing; A scanning path setting component plans a scanning path according to the material data and size data of the optical glass material collected, and can adopt one of parallel line scanning, adaptive scanning or partition scanning; The verification component is used to perform experimental verification after the laser parameters are set, and to fine-tune the laser parameters using the human-computer interaction component based on the verification results.

[0013] Preferably, the optical element in step S3 includes a lens and a reflector, and the lens and the reflector are both mounted on the bottom of the top plate through a fixing frame, the lens is used to focus the laser beam, and the reflector is used to ensure that the laser beam is accurately irradiated onto the optical glass material along a predetermined path, and the adjustment mechanism for adjusting the position and angle of the optical element is a third servo motor, and the third servo motor is mounted on the outer wall of the fixing frame.

[0014] Preferably, the adsorption device in step S3 comprises a second air pump component and a second vacuum suction cup component, which are used to ensure that the optical glass does not move or deform during the processing.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes high-precision and high-efficiency processing of the optical glass surface through an integrated design. During the process, the clamping assembly and the monitoring structure are used to ensure that the material surface is clean and flawless, and its appearance size data is accurately obtained. Subsequently, according to the required surface treatment effect and the obtained data, the key parameters of the ultrafast laser 27, including pulse width, energy density, scanning speed and path, are accurately adjusted through the parameter setter. In the laser precision processing stage, the optical element is adjusted by the adjustment mechanism to ensure that the laser beam is accurately focused on the optical glass surface to form a predetermined micro-nano structure or cutting structure, so that the process can efficiently and accurately process the optical glass surface, meet functional requirements, and improve the accuracy and efficiency of optical glass surface processing; 2. The present invention can collect detailed data and dimensional information of the material in real time during the surface cleaning process of the optical glass material through the camera component, and transmit it to the human-machine interaction component through wired or wireless means. The human-machine interaction component serves as the control center of the entire processing flow, integrating data display and monitoring, parameter setting and adjustment, fault diagnosis and early warning, and data storage and query functions, thereby not only improving the automation and intelligence level of the process, but also significantly enhancing the stability and reliability of the system; 3. The present invention realizes the accurate setting and adjustment of laser processing parameters through the setting of parameter setter and human-machine interaction component. The operator can conveniently input the required laser processing parameters through the interface of human-machine interaction component. The parameter setter contains multiple functional modules including pulse width setting component, energy density setting component, scanning speed setting component, scanning path setting component and verification component. These modules can intelligently select femtosecond or picosecond pulse width to remove burrs or form micro-nano structures according to the detailed data and size information of the collected optical glass materials, set the accurate energy density to achieve fine processing and surface modification, and then set the accurate scanning speed and scanning path to form uniform micro-nano structures and perform deep processing. After the setting is completed, the verification component will perform experimental verification, and according to the verification results, fine-tune the laser parameters through the human-machine interaction component to ensure the final processing effect, thereby not only improving the flexibility and accuracy of the process, but also significantly improving the overall production efficiency and product quality; 4. The present invention can flexibly adjust the position and angle of the lens and the reflector to adapt to optical glass materials of different shapes and sizes by using an adjustment mechanism driven by a third servo motor. At the same time, in order to maintain the stability and precision of the optical glass during the processing, a second vacuum suction cup component driven by a second air pump component is used as an adsorption device, which effectively prevents the movement or deformation of the optical glass, thereby not only improving the accuracy and stability of the laser processing, but also ensuring the high quality of the final product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the process steps of the present invention; Figure 2 It is a schematic diagram of the human-machine interaction component system of the present invention; Figure 3 It is a schematic diagram of the overall structure of the present invention; Figure 4 It is a front view schematic diagram of the overall structure of the present invention; Figure 5 It is a schematic diagram of the structure of the mounting plate of the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the structure at A in the middle; Figure 7 It is a schematic diagram of the structure of the camera components of the present invention.

[0017] In the figure: 1, processing table; 2, support column; 3, top plate; 4, slide rail; 5, slider; 6, first hydraulic cylinder component; 7, mounting plate; 8, slide groove; 9, moving block; 10, bidirectional screw; 11, first servo motor component; 12, second hydraulic cylinder component; 13, fixed block; 14, second servo motor component; 15, clamping plate; 16, first vacuum suction cup component; 17, first air pump component; 18, camera component; 19, cleaning box; 20, ultrasonic generator component; 21, air drying plate; 22, fan component; 23, transport trough; 24, conveyor; 25, support frame; 26, second vacuum suction cup component; 27, ultrafast laser; 28, second air pump component; 29, human-computer interaction component; 30, lens; 31, reflector; 32, third servo motor. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , an embodiment provided by the present invention: an optical glass surface treatment process based on ultrafast laser technology, the optical glass surface treatment process based on ultrafast laser technology is completed by using an optical glass surface treatment device based on ultrafast laser technology, the optical glass surface treatment device based on ultrafast laser technology comprises a processing table 1, the four corners of the top of the processing table 1 are fixedly connected with support columns 2, the top of the support column 2 is fixedly connected with a top plate 3, the bottom of the top plate 3 is fixedly connected with a slide rail 4, the outer wall of the slide rail 4 is movably connected with a slider 5, the bottom of the slider 5 is fixedly connected with a first hydraulic cylinder component 6, the bottom of the first hydraulic cylinder component 6 is fixedly connected with a mounting plate 7, the bottom of the mounting plate 7 is installed with a clamping assembly, the clamping assembly is used to clamp the optical glass material, and the bottom of the mounting plate 7 is installed with a detection camera component 18; The optical glass surface treatment process based on ultrafast laser technology has the following steps: Step S1, preparation stage: using a clamping assembly to clamp and move the selected optical glass material, so as to facilitate surface cleaning, and performing real-time monitoring through a monitoring structure to ensure that the surface is clean and flawless without any impurities attached, and at the same time obtaining the appearance size data of the optical glass material; Step S2, laser parameter setting: according to the desired surface treatment effect and the acquired appearance size data, the key parameters of the ultrafast laser 27, including pulse width, energy density, scanning speed and scanning path, are adjusted through the parameter setter to ensure the accuracy and controllability of the laser treatment process; Step S3, laser precision processing: using the set key parameters and using the adjustment mechanism to adjust the position and angle of the optical element to ensure that the laser beam is accurately focused on the optical glass surface restricted by the adsorption device, and then accurately forming a predetermined micro-nano structure or cutting structure on the glass surface to meet specific optical or functional requirements; Step S4, collection and processing: collecting and storing the optical glass after laser treatment.

[0022] Furthermore, by using a clamping assembly and a monitoring structure, the surface of the material is ensured to be clean and flawless, and its appearance size data is accurately obtained. Subsequently, according to the required surface treatment effect and the obtained data, the key parameters of the ultrafast laser 27, including pulse width, energy density, scanning speed and path, are accurately adjusted through a parameter setter. In the laser precision processing stage, the optical element is adjusted using an adjustment mechanism to ensure that the laser beam is accurately focused on the optical glass surface to form a predetermined micro-nano structure or cutting structure, so that the process can efficiently and accurately process the optical glass surface, meet functional requirements, and improve the accuracy and efficiency of optical glass surface processing.

[0023] Example 2: Please refer to Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 , an embodiment provided by the present invention: the clamping assembly in step S1 includes a slide groove 8, and the slide groove 8 is opened at the bottom of the mounting plate 7, and the two ends of the slide groove 8 are movably connected with a moving block 9, and one side of the moving block 9 is threadedly penetrated with a bidirectional screw 10, one end of the bidirectional screw 10 penetrates the inner wall of the slide groove 8 and is installed with a first servo motor component 11, and one end of the first servo motor component 11 is installed on the outer wall of the mounting plate 7, and the bottom of the moving block 9 is fixedly connected with a second hydraulic cylinder component 12, and the bottom of the second hydraulic cylinder component 12 is fixedly connected with a fixed block 13, and one end of the fixed block 13 is installed with a second servo motor component 14, and the output end of the second servo motor component 14 penetrates the fixed block 13 and is fixedly connected with a clamping plate 15, and one side of the clamping plate 15 is installed with a plurality of first vacuum suction cup components 16, and the other side of the clamping plate 15 is embedded with a plurality of first air pump components 17, and the first air pump component 17 is connected to the first vacuum suction cup component 16 through a pipeline; A cleaning box 19 is provided at the tail end of the top of the processing table 1. The cleaning box 19 is filled with cleaning liquid. An ultrasonic generator component 20 is provided in the middle of the bottom wall of the cleaning box 19. Air drying plates 21 are installed at the front and rear ends of the top of the cleaning box 19. Several fan components 22 are embedded and installed on the inner wall of the air drying plate 21. A transport trough 23 is provided at the front end of the top of the processing table 1, a conveyor 24 is installed inside the transport trough 23, a plurality of support frames 25 are installed on the surface of the transmission belt of the conveyor 24, a plurality of second vacuum suction cup components 26 are provided on the top of the support frame 25, the second vacuum suction cup component 26 is connected to a second air pump component 28 through a pipeline, and the second air pump component 28 is embedded and installed on the top of the support frame 25; An ultrafast laser 27 is installed at the bottom of the top plate 3, and the installation position of the ultrafast laser 27 is located in front of the slide rail 4; Furthermore, the clamping assembly realizes flexible clamping and adjustment of the optical glass material through the cooperation of the slide slot 8 and the moving block 9, and the driving of the bidirectional lead screw 10 and the first servo motor component 11. The second hydraulic cylinder component 12 and the fixed block 13 connected to the bottom of the moving block 9 further drive the clamping plate 15 to make precise angle adjustment through the second servo motor component 14. The first vacuum suction cup component 16 and the first air pump component 17 equipped on the clamping plate 15 use the negative pressure principle to firmly absorb the optical glass material to ensure the stability during the processing. In addition, the cleaning device 12 provided on the processing table 1 The cleaning box 19 contains cleaning liquid and an ultrasonic generator component 20, which can effectively clean the surface of the glass material and cooperate with the fan component 22 on the air-drying plate 21 to quickly dry the glass. The conveyor 24 installed in the conveying trough 23 opened at the front end realizes the automatic transportation of the cleaned optical glass through the second vacuum suction cup component 26 and the second air pump component 28 on the support frame 25. The ultrafast laser 27 installed at the bottom of the top plate 3 has its precise position setting to ensure the high efficiency and accuracy of the laser processing, which not only improves the processing efficiency, but also ensures the accuracy and quality of the surface processing of the optical glass material.

[0024] Example 3: Please refer to Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 ,An embodiment provided by the present invention: The monitoring structure in step S1 includes a camera component 18, which is used to collect material data and size data of the optical glass material during the surface cleaning process of the optical glass material, and transmit the collected data to the human-computer interaction component 29 via wired or wireless transmission. The human-computer interaction component 29 serves as a processing center and includes a data display and monitoring component, a parameter setting and adjustment component, a fault diagnosis and early warning component, and a data storage and query component; A data display and monitoring component, used for displaying in real time the material data and dimension data of the optical glass material collected by the camera component 18, and the power data of the ultrasonic generator component 20; A parameter setting and adjustment component, used to accurately set and adjust the parameters of the ultrafast laser 27, the first hydraulic cylinder component 6, the second hydraulic cylinder component 12, the first servo motor component 11, the second servo motor component 14, the first air pump component 17 and the second air pump component 28 through the human-machine interaction component 29 according to the optical glass material size data; Fault diagnosis and early warning components are used to send out early warning signals and display corresponding fault information when abnormalities or faults are detected; The data storage and query component is used to store the collected data, set parameters, and abnormal and warning information as historical data, and can query the historical data at any time through the human-computer interaction component 29; Furthermore, through the camera component 18, during the surface cleaning process of the optical glass material, detailed data and dimensional information of the material can be collected in real time, and transmitted to the human-machine interaction component 29 by wired or wireless means. The human-machine interaction component 29 serves as the control center of the entire processing flow, integrating data display and monitoring, parameter setting and adjustment, fault diagnosis and early warning, and data storage and query functions, thereby not only improving the automation and intelligence level of the process, but also significantly enhancing the stability and reliability of the system.

[0025] The data display and monitoring function ensures that the operator can grasp the data collected by the camera and the power status of the ultrasonic generator in real time. The parameter setting and adjustment function allows the precise adjustment of the parameters of each component according to the material size, including the ultrafast laser 27, hydraulic cylinder, servo motor and air pump, so as to improve the processing effect. The fault diagnosis and early warning function immediately issues an alarm when any abnormality or fault is detected, and provides detailed fault information, so as to effectively prevent potential problems. The data storage and query function saves all important data and information as historical records, which is convenient for query and analysis at any time.

[0026] Example 4: Please refer to Figure 2 , an embodiment provided by the present invention: the parameter setter in step S2 is electrically connected to the human-machine interaction component 29, and is used to input the required laser processing parameters through the interface of the human-machine interaction component 29, and send the input laser processing parameters to the parameter setter; The parameter setter includes a pulse width setting component, an energy density setting component, a scanning speed setting component, a scanning path setting component and a verification component; A pulse width setting component selects a pulse width of femtosecond or picosecond level according to the material data and size data of the optical glass material collected, so as to remove burrs or form micro-nano structures; Energy density setting component, which selects and sets accurate energy density based on the collected material data and size data of optical glass materials for fine processing and surface modification; A scanning speed setting component selects and sets a precise scanning speed according to the material data and dimension data of the collected optical glass material, so as to form a uniform micro-nano structure and deep processing; A scanning path setting component plans a scanning path according to the material data and size data of the optical glass material collected, and can adopt one of parallel line scanning, adaptive scanning or partition scanning; The verification component is used to perform experimental verification after the laser parameters are set, and to fine-tune the laser parameters using the human-machine interaction component 29 according to the verification results; Furthermore, through the setting of the parameter setter and the human-machine interaction component 29, accurate setting and adjustment of laser processing parameters are achieved. The operator can easily input the required laser processing parameters through the interface of the human-machine interaction component 29. The parameter setter contains multiple functional modules including a pulse width setting component, an energy density setting component, a scanning speed setting component, a scanning path setting component and a verification component. These modules can intelligently select femtosecond or picosecond level pulse widths to remove burrs or form micro-nano structures based on the detailed data and size information of the collected optical glass materials, set precise energy density to achieve fine processing and surface modification, and then set precise scanning speed and scanning path to form uniform micro-nano structures and perform deep processing. After the setting is completed, the verification component will perform experimental verification, and based on the verification results, fine-tune the laser parameters through the human-machine interaction component 29 to ensure the final processing effect, thereby not only improving the flexibility and accuracy of the process, but also significantly improving the overall production efficiency and product quality.

[0027] Example 5: Please refer to Figure 3 and Figure 4 , an embodiment provided by the present invention: the optical element in step S3 includes a lens 30 and a reflector 31, and the lens 30 and the reflector 31 are both mounted on the bottom of the top plate 3 through a fixing frame, the lens 30 is used to focus the laser beam, and the reflector 31 is used to ensure that the laser beam is accurately irradiated onto the optical glass material according to a predetermined path, and the adjustment mechanism for adjusting the position and angle of the optical element is a third servo motor 32, and the third servo motor 32 is mounted on the outer wall of the fixing frame; The adsorption device in step S3 includes a second air pump component 28 and a second vacuum suction cup component 26, which are used to ensure that the optical glass does not move or deform during the processing; Furthermore, by using an adjustment mechanism driven by a third servo motor 32, the position and angle of the lens 30 and the reflector 31 can be flexibly adjusted to adapt to optical glass materials of different shapes and sizes. At the same time, in order to maintain the stability and precision of the optical glass during the processing, a second vacuum suction cup component 26 driven by a second air pump component 28 is used as an adsorption device, which effectively prevents the movement or deformation of the optical glass, thereby not only improving the accuracy and stability of the laser processing, but also ensuring the high quality of the final product.

[0028] Working principle: Through integrated design, high-precision and high-efficiency processing of the optical glass surface is achieved. During the process, the optical glass material is firstly deeply cleaned by using the ultrasonic generator component 20 and the cleaning fluid in the cleaning box 19, and the fan component 22 is used to complete rapid drying. Then, the key parameters of the ultrafast laser 27, including pulse width, energy density, scanning speed and path, are accurately adjusted through the parameter setter. In the laser precision processing stage, the optical glass material is transported and fixed by using the first vacuum suction cup component 16 and the second vacuum suction cup component 26, and the position and angle of the optical element are adjusted by using the adjustment mechanism to ensure that the laser beam can be accurately focused on the glass surface to form a predetermined micro-nano structure or cutting structure, thereby ensuring the processing process. It not only has a high level of automation and intelligence, but also significantly improves processing accuracy and efficiency, while reducing energy consumption and environmental pollution, providing an efficient, environmentally friendly and accurate solution for the surface treatment of optical glass. Through the camera component 18, during the surface cleaning process of the optical glass material, the detailed data and size information of the material can be collected in real time, and transmitted to the human-machine interaction component 29 by wired or wireless means. The human-machine interaction component 29 serves as the control center of the entire processing flow, integrating data display and monitoring, parameter setting and adjustment, fault diagnosis and early warning, and data storage and query functions, thereby not only improving the automation and intelligence level of the process, but also significantly enhancing the stability and reliability of the system. The data display and monitoring function ensures The operator can grasp the data collected by the camera and the power status of the ultrasonic generator in real time. The parameter setting and adjustment function allows the precise adjustment of the parameters of each component according to the material size, including the ultrafast laser 27, hydraulic cylinder, servo motor and air pump, so as to improve the processing effect. The fault diagnosis and early warning function will immediately issue an alarm when any abnormality or fault is detected, and provide detailed fault information, so as to effectively prevent potential problems. The data storage and query function saves all important data and information as historical records, which is convenient for query and analysis at any time. Through the setting of the parameter setter and the human-machine interaction component 29, the precise setting and adjustment of the laser processing parameters are realized. The operator can easily input the required laser processing parameters through the interface of the human-machine interaction component 29. Parameters, the parameter setter contains multiple functional modules including pulse width setting component, energy density setting component, scanning speed setting component, scanning path setting component and verification component. These modules can intelligently select femtosecond or picosecond pulse width to remove burrs or form micro-nano structures according to the detailed data and size information of the collected optical glass materials, set precise energy density to achieve fine processing and surface modification, and then set precise scanning speed and scanning path to form uniform micro-nano structures and perform deep processing. After the setting is completed, the verification component will conduct experimental verification, and according to the verification results, fine-tune the laser parameters through the human-computer interaction component 29 to ensure the final processing effect, thereby not only improving the flexibility and accuracy of the process,The overall production efficiency and product quality are also significantly improved. By using the adjustment mechanism driven by the third servo motor 32, the position and angle of the lens 30 and the reflector 31 can be flexibly adjusted to adapt to optical glass materials of different shapes and sizes. At the same time, in order to maintain the stability and accuracy of the optical glass during the processing, the second vacuum suction cup component 26 driven by the second air pump component 28 is used as an adsorption device to effectively prevent the movement or deformation of the optical glass, thereby not only improving the accuracy and stability of the laser processing, but also ensuring the high quality of the final product.

[0029] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. An optical glass surface treatment process based on ultrafast laser technology, wherein the optical glass surface treatment process based on ultrafast laser technology is completed by using an optical glass surface treatment device based on ultrafast laser technology, wherein the optical glass surface treatment device based on ultrafast laser technology comprises a processing table (1), characterized in that: The four corners of the top of the processing table (1) are fixedly connected to support columns (2), the top of the support column (2) is fixedly connected to a top plate (3), the bottom of the top plate (3) is fixedly connected to a slide rail (4), the outer wall of the slide rail (4) is movably connected to a slider (5), the bottom of the slider (5) is fixedly connected to a first hydraulic cylinder component (6), the bottom of the first hydraulic cylinder component (6) is fixedly connected to a mounting plate (7), the bottom of the mounting plate (7) is installed with a clamping assembly, the clamping assembly is used to clamp the optical glass material, and the bottom of the mounting plate (7) is installed with a detection camera component (18); The optical glass surface treatment process based on ultrafast laser technology has the following steps: Step S1, preparation stage: using a clamping assembly to clamp and move the selected optical glass material, so as to facilitate surface cleaning, and performing real-time monitoring through a monitoring structure to ensure that the surface is clean and flawless without any impurities attached, and at the same time obtaining the appearance size data of the optical glass material; Step S2, laser parameter setting: according to the desired surface treatment effect and the acquired appearance size data, key parameters of the ultrafast laser (27) including pulse width, energy density, scanning speed and scanning path are adjusted through a parameter setter to ensure the accuracy and controllability of the laser treatment process; Step S3, laser precision processing: using the set key parameters and using the adjustment mechanism to adjust the position and angle of the optical element to ensure that the laser beam is accurately focused on the optical glass surface restricted by the adsorption device, and then accurately forming a predetermined micro-nano structure or cutting structure on the glass surface to meet specific optical or functional requirements; Step S4, collection and processing: collecting and storing the optical glass after laser treatment.

2. The optical glass surface treatment process based on ultrafast laser technology according to claim 1, characterized in that: The clamping assembly in step S1 comprises a slide groove (8), and the slide groove (8) is opened at the bottom of the mounting plate (7), and the two ends of the slide groove (8) are movably connected with a moving block (9), and a bidirectional lead screw (10) is installed through a thread on one side of the moving block (9), and one end of the bidirectional lead screw (10) passes through the inner wall of the slide groove (8) and is installed with a first servo motor component (11), and one end of the first servo motor component (11) is installed on the outer wall of the mounting plate (7), and the bottom of the moving block (9) is fixedly connected with a second hydraulic cylinder component (12), and the second A fixing block (13) is fixedly connected to the bottom of the hydraulic cylinder component (12); a second servo motor component (14) is mounted on one end of the fixing block (13); an output end of the second servo motor component (14) passes through the fixing block (13) and is fixedly connected to a clamping plate (15); a plurality of first vacuum suction cup components (16) are mounted on one side of the clamping plate (15); a plurality of first air pump components (17) are embedded and mounted on the other side of the clamping plate (15); and the first air pump component (17) is connected to the first vacuum suction cup component (16) via a pipeline; A cleaning box (19) is provided at the rear end of the top of the processing table (1), the interior of the cleaning box (19) is filled with cleaning liquid, an ultrasonic generator component (20) is provided in the middle of the inner bottom wall of the cleaning box (19), a drying plate (21) is installed at the front end and the rear end of the top of the cleaning box (19), and a plurality of fan components (22) are embedded and installed on the inner wall of the drying plate (21); A transport trough (23) is provided at the front end of the top of the processing table (1), a transport machine (24) is installed inside the transport trough (23), a plurality of support frames (25) are installed on the surface of the transmission belt of the transport machine (24), a plurality of second vacuum suction cup components (26) are arranged on the top of the support frame (25), the second vacuum suction cup component (26) is connected to a second air pump component (28) via a pipeline, and the second air pump component (28) is mounted on the top of the support frame (25); An ultrafast laser (27) is installed at the bottom of the top plate (3), and the installation position of the ultrafast laser (27) is located in front of the slide rail (4).

3. The optical glass surface treatment process based on ultrafast laser technology according to claim 1, characterized in that: The monitoring structure in step S1 includes a camera component (18), which is used to collect material data and dimension data of the optical glass material during the surface cleaning process of the optical glass material, and transmit the collected data to the human-machine interaction component (29) via wired or wireless transmission. The human-machine interaction component (29) serves as a processing center and includes a data display and monitoring component, a parameter setting and adjustment component, a fault diagnosis and warning component, and a data storage and query component.

4. The optical glass surface treatment process based on ultrafast laser technology according to claim 3 is characterized by: The data display and monitoring component is used to display in real time the material data and dimension data of the optical glass material collected by the camera component (18), as well as the power data of the ultrasonic generator component (20); The parameter setting and adjustment component is used to accurately set and adjust the parameters of various electrical components in the optical glass surface treatment device through the human-machine interaction component (29) according to the optical glass material size data.

5. The optical glass surface treatment process based on ultrafast laser technology according to claim 3 is characterized by: The fault diagnosis and early warning component is used to send out an early warning signal and display corresponding fault information when an abnormality or fault is detected; The data storage and query component is used to store the collected data, set parameters, and abnormal and warning information as historical data, and can query the historical data at any time through the human-computer interaction component (29).

6. The optical glass surface treatment process based on ultrafast laser technology according to claim 1, characterized in that: The parameter setter in step S2 is electrically connected to the human-machine interaction component (29) and is used to input the required laser processing parameters through the interface of the human-machine interaction component (29) and send the input laser processing parameters to the parameter setter; The parameter setter includes a pulse width setting component, an energy density setting component, a scanning speed setting component, a scanning path setting component and a verification component.

7. The optical glass surface treatment process based on ultrafast laser technology according to claim 6, characterized in that: The pulse width setting component selects a pulse width of femtosecond or picosecond level according to the material data and size data of the optical glass material collected, so as to remove burrs or form micro-nano structures; The energy density setting component selects and sets the precise energy density for fine processing and surface modification according to the collected material data and size data of the optical glass material.

8. The optical glass surface treatment process based on ultrafast laser technology according to claim 6, characterized in that: The scanning speed setting component selects and sets a precise scanning speed according to the collected material data and size data of the optical glass material, so as to form a uniform micro-nano structure and deep processing; A scanning path setting component plans a scanning path according to the material data and size data of the optical glass material collected, and can adopt one of parallel line scanning, adaptive scanning or partition scanning; The verification component is used to perform experimental verification after the laser parameters are set, and to fine-tune the laser parameters using the human-computer interaction component (29) based on the verification results.

9. The optical glass surface treatment process based on ultrafast laser technology according to claim 1, characterized in that: The optical element in step S3 comprises a lens (30) and a reflector (31), and the lens (30) and the reflector (31) are both mounted on the bottom of the top plate (3) via a fixing frame, the lens (30) is used to focus the laser beam, and the reflector (31) is used to ensure that the laser beam is accurately irradiated onto the optical glass material along a predetermined path, and the adjustment mechanism for adjusting the position and angle of the optical element is a third servo motor (32), and the third servo motor (32) is mounted on the outer wall of the fixing frame.

10. The optical glass surface treatment process based on ultrafast laser technology according to claim 1, characterized in that: The adsorption equipment in step S3 comprises a second air pump component (28) and a second vacuum suction cup component (26), which are used to ensure that the optical glass does not move or deform during the processing.

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