811 results about "Optical glass" patented technology

The invention discloses a carrying table for special-shaped optical glass processing, and relates to the technical field of optical glass processing.The carrying table comprises a workbench and semicircular glass, the semicircular glass is placed on the workbench, a fixing plate is fixed to the workbench, and second air cylinders are fixed to the lower end face of the fixing plate in a bilateral symmetry mode; a bottom plate is fixed to the output end of the second air cylinder, a positioning mechanism is installed on the bottom plate, supporting mechanisms are arranged on the side edge of the positioning mechanism in a front-back symmetry mode, each supporting mechanism comprises a transverse plate fixed to the workbench, a rotating block is connected to the transverse plate through a bearing, and the rotating angle of the rotating block ranges from 0 degree to 45 degrees. According to the platform deck for processing the special-shaped optical glass, the adjustable rotary supporting mechanism is adopted, so that the platform deck can adapt to positioning and supporting of semicircular glass with different diameters, the adaptability of the platform deck is effectively guaranteed, the supporting effect on different positions of one side of a concave surface of the semicircular glass can be achieved, and the stability of the semicircular glass is guaranteed.

The invention discloses a semiconductor packaging alignment mark manufacturing method and a semiconductor packaging alignment mark product. The semiconductor packaging alignment mark manufacturing method comprises the following steps that a cofferdam is manufactured at the position, corresponding to a TSV area, on light glass; the cofferdam is coated with bonding glue; bonding the wafer on the optical glass and grinding and thinning the wafer; performing etching to form a first-order groove and an alignment Mark; completing the etching of the silicon through hole; preparing a dielectric layer on the wafer; preparing a passivation layer on the dielectric layer; preparing an RDL (redistribution layer); pre-cutting a groove, and half-cutting to a cofferdam; preparing a solder mask layer; and planting or printing a solder ball, and then cutting into a final finished product. According to the invention, the alignment function of the photoetching process after pre-cutting can be realized, the overall process capability can be improved, the process steps are reduced, the product manufacturing period is shortened, the packaging cost is reduced, and the product competitiveness is improved; a special laser marking station is not needed, wafer surface pollution caused by laser marking is reduced, operators of the original laser marking station are saved, manpower and material resources are saved, one manufacturing process is saved, and the packaging cost is reduced.

The invention belongs to the technical field of optical glass, and discloses an optical glass structure with a high-hardness scratch-resistant coating, which comprises the following structures: a chemically strengthened glass substrate; the refractive index gradient transition layer is deposited on the surface of the substrate; and the diamond-like carbon-based hard coating covers the surface of the transition layer. The defect is thoroughly overcome through a gradient strengthening system, the diamond-like carbon coating resists invasion of external abrasion particles through a crystal bonding network close to absolute hardness, so that the surface microhardness breaks through the upper limit of a brittle material, the gradient transition layer constructs an elastic buffer strip below the coating, impact stress is dissipated through the porous nano laminated layer, and the hardness of the coating is improved. The cooperation of the two ensures that no visible scratch is generated on the glass surface even if the glass surface is exposed to a high-wear environment for a long time, thereby fundamentally blocking linkage failures such as light path scattering, imaging blurring and dispersion imbalance caused by surface damage, and ensuring that the light transmittance of a precise optical system in the whole life cycle is stabilized at a theoretical extreme value.

The utility model discloses a cutting device for optical glass processing, which comprises a rack, the top of the rack is fixedly provided with a fixing frame, the fixing frame is slidably provided with a cutting assembly, the middle of the rack is slidably provided with a moving table, and optical glass waste passes through a waste hole and falls to one end of a blanking frame by controlling a material pushing rod to move. The optical glass waste falls onto the waste conveying belt along one end of the discharging frame, automatic discharging of the optical glass waste is achieved, people do not need to clean the optical glass waste manually, the cleaning efficiency of the optical glass waste is improved, then the supporting plate is controlled to descend and drive the supporting plate to rotate, and the automatic discharging of the optical glass waste is achieved. When the optical glass cutting machine works, the optical glass on the supporting plate is driven to fall to the other end of the discharging frame, the optical glass falls to the finished product conveying belt along the other end of the discharging frame, discharging of the optical glass finished products and optical glass waste is achieved, people do not need to manually clean the optical glass cut finished products, and the collecting efficiency of the optical glass finished products is improved.

The utility model belongs to the technical field of optical element machining devices, and discloses an automatic centering device in optical element machining, which comprises a machining base, a rotating table rotationally mounted at the top of the machining base and an electric permanent magnetic chuck arranged at the top of the rotating table, and a rotating mechanism for driving the rotating table to rotate is arranged on the machining base. And a plurality of transverse plates slidably connected with the side wall of the machining base are arranged on the machining base in a penetrating mode, the transverse plates are evenly distributed about the axis of the rotating table, a vertical rod is fixed to the top of each transverse plate, and an adjusting mechanism used for driving the transverse plates to be close to or away from one another at the same time is arranged on the machining base. According to the optical glass polishing device, by arranging the adjusting mechanism, the multiple transverse plates drive the vertical rods fixed to the transverse plates to be close to one another at the same time, so that the optical glass placed on the rotating table can be centered, and the polishing effect of the optical glass is ensured.

The utility model relates to the technical field of sports glasses, in particular to sports optical glasses with polarizers, which comprise a glasses frame and lenses, a support frame is arranged in the glasses frame, the lenses are connected with the glasses frame and the support frame, a nose pad is arranged on the support frame, one side of the glasses frame is provided with the polarizers, and the other side of the glasses frame is provided with the polarizers. The polariscope is rotationally connected with the mirror frame through a connecting structure; the connecting structure comprises a plug connector which is connected with the mirror frame in an inserted mode, a rotating piece is arranged on the plug connector in a rotating mode, the rotating piece is fixedly connected with the polariscope, and the rotating piece is detachably connected with the plug connector. When the polarizer is not used, the polarizer can be overturned upwards to achieve the state that the polarizer is not used, and the elastic plate is arranged to fix the plug connector in the connecting structure, so that the connecting structure and the polarizer are prevented from falling off.

The invention discloses an optical visualization test device suitable for transverse jet mixing characteristic research under different conditions. The optical visualization test device mainly comprises an air inlet diffusion section, a main body mixing section and an exhaust structure section. The main body mixing section is of a double-layer structure with an inner-layer main temperature bearing function and an outer-layer main pressure bearing function, an independent cooling cavity is formed between the flame tube and the cartridge receiver, replaceable flat straight flow channel or contraction flow channel installation bases are arranged on the upper wall face and the lower wall face of the flame tube, and multiple functional modules such as main combustion holes and cooling gas film flow channels are integrated. Each wall surface is provided with an optical glass window, and multi-path laser incidence and image acquisition are supported. Blended gas enters the blending holes through the gas collection tank and the flow uniformizing plate, transverse jet flow and main flow blending is formed, and the device is suitable for visual measurement under different rotational flow intensities, cooling conditions and wall surface structures. And the exhaust section is provided with a spraying and water jacket cooling system, so that the exhaust temperature can be effectively controlled. The device is flexible in structure, adjustable in parameter and suitable for combustion chamber jet mixing mechanism research and optical measurement verification.

The invention relates to the technical field of glass detection, in particular to a salt spray test device for optical glass performance detection and a test method of the salt spray test device. According to the technical scheme, a plurality of placement frames distributed at equal intervals are installed in a test box body, each placement frame comprises a rotatable frame body, air guide plates are arranged on the two sides of the test box body, a water absorption plate is arranged on the top face of a cover body, arc-shaped flow guide plates are installed at the corners of the cover body in a sliding mode, and the arc-shaped flow guide plates and the water absorption plates are arranged in an attached mode; a pushing piece is arranged on the arc-shaped flow guide plate, and a water diversion piece is arranged in the water absorption plate. The air deflectors and the windward groove bodies are installed on the two sides of the test box body, air is introduced, the guiding and drainage effects on salt mist are formed, rapid diffusion of the salt mist is guaranteed, in addition, when the frame body rotates, the air deflectors incline, and therefore the salt mist can be rapidly dispersed. Therefore, the changed direction can still guide the salt mist airflow to flow towards the optical glass experiment sheet in a path.

The invention discloses a compensation printing method for resistance deviation of a vehicle-mounted optical glass printing heating wire, and relates to the technical field of functional material printing. On one hand, a prediction model based on individual physical characteristics of a vehicle-mounted optical glass substrate and conductive slurry is constructed before printing; according to the method, most printing deviation can be predicted and inhibited from the source, traditional passive error correction is converted into active prevention, the consistency and the qualified rate of resistance values of final products are improved, on one hand, actual measurement data of the final products are fed back to an initial prediction model for calibration, and on the other hand, the accuracy of the final products is improved; the whole printing method can be continuously optimized along with production, the adaptability to material batch fluctuation, environment change and small aging of equipment is enhanced, the dependence on artificial experience is reduced, the long-term stability of product quality is guaranteed, and on the other hand, through innovative combination of physical pre-compensation and energy fine adjustment, the production efficiency is improved. And a cooperative compensation effect is shown.

The invention relates to the technical field of glass lens detection, in particular to a quality detection machine for optical glass lens production, which comprises a cylinder I; the shell is connected with a switching assembly; the switching assembly is connected with a plurality of cylinders I; each cylinder I is detachably connected with a top cover; a rubber ring is fixedly connected to the inner side of each top cover; the rubber ring is elastic; a limiting block is fixedly connected to the inner side of each rubber ring; a through hole is formed in the limiting block; a first cylinder, a first circular ring and a second cylinder are matched to clamp a glass lens piece for detection operation, the first cylinder can also be matched with a top cover to intercept glass fragments splashed in the detection process, safety is high, all the generated glass fragments are located on the inner side of the first cylinder, and detection efficiency is high. Glass fragments can be quickly poured out and removed only by manually pouring the cylinder, the cleaning operation is convenient and fast, meanwhile, the long rod conducts extrusion testing on the glass lens piece from different positions, and the diversity of testing results can be improved.

The invention relates to the technical field of industrial intelligent regulation and control, and particularly discloses an optical glass production intelligent regulation and control system based on multi-parameter collaborative optimization. Smelting temperature, pressure, liquid level, rotating speed and energy consumption data are synchronously acquired through a multi-parameter real-time acquisition module; the feature space construction module is used for carrying out standardization, weighted covariance calculation and eigenvalue decomposition on the data and extracting low-dimensional eigenvectors representing key states of the production process; the dynamic trajectory prediction module predicts an optimized trajectory meeting the process constraint in the future according to the feature vector; and the real-time cooperative regulation and control module is used for cooperatively regulating the heating power, the opening degree of a pressure valve and the stirring rotating speed by adopting a dynamic decoupling and feedforward-feedback composite control strategy based on the track.

A novel optical glass cleaning and drying device belongs to the technical field of cleaning and drying equipment and comprises an air blower, a cleaning box, a bottom plate, an electromagnetic valve, a spray washing pipe and ultrasonic cleaning equipment. A heating mechanism is further arranged, a supporting plate is installed in the cleaning box, and the spray-washing pipe is installed at the upper end in the cleaning box; the air blower and the cleaning box are installed at the upper end of the bottom plate, an air outlet of the air blower is connected with one end of the first electromagnetic valve, one end of the first electromagnetic valve and one end of the second electromagnetic valve are connected with the outer side of the paint spraying pipe in parallel, and the other end of the second electromagnetic valve is connected with a tap water pipe. The lower portion of the cleaning box is connected with the third electromagnetic valve, the heating mechanism comprises an electric heating pipe and an outer barrel, communicating pipes are installed at the two side ends of the outer barrel respectively, the side end of the first communicating pipe is connected with an air inlet of the air blower, the electric heating pipe is installed at the outer side end of the outer barrel, and the ultrasonic generator is installed in the element box. The ultrasonic cleaning and drying device integrates ultrasonic cleaning, water cleaning and drying, so that the working efficiency is improved.

The invention provides a multispectral coating method for a linear gradual change optical filter and the linear gradual change optical filter, and the method comprises the steps: S1, putting optical glass into a cleaning agent for ultrasonic cleaning, and obtaining a substrate of the linear gradual change optical filter to be coated; s2, putting the substrate into a reaction cavity of a radio frequency magnetic control instrument, closing the reaction cavity, and setting environmental parameters of multispectral coating; s3, under the environmental parameters, sputtering and depositing target materials on the surface of the substrate by adopting double-target-position radio frequency magnetic control, using SiO2 and Si as the target materials for the double target positions respectively, and switching to use different target positions to alternately carry out sputtering deposition of the target materials by adjusting the power interval of the radio frequency magnetic control; and S4, closing the radio frequency magnetic control instrument, keeping the reaction cavity closed, naturally cooling to a preset cooling temperature, opening the reaction cavity, and taking out the coated substrate as the linear gradual change optical filter. The process is simple, and the optical filter finished product is good in infrared spectrum performance and suitable for various scenes.

The invention provides a high-precision optical microcrystalline glass analysis system, and belongs to the technical field of microcrystalline glass detection. Wherein the detection core is arranged in the cylinder body in a sliding fit manner. The sleeve is connected with the detection core. One end of the driving rod is in sliding fit with the sleeve, and the other end is in transmission fit with the second driver. And a first elastic piece is abutted between the driving rod and the sleeve. The liquid storage pipe is arranged in the vertical direction, and the barrel is communicated with the liquid storage pipe. During detection, the controller is used for controlling the first driver to drive the barrel to be close to the objective table, so that the distance between the detection core and the objective table is a first preset distance. The controller is also used for determining the distance between the detection core and the surface of the glass-ceramic standard component according to the first preset distance and the thickness of the glass-ceramic standard component, and recording the distance as a standard distance. The controller is further used for controlling the second driver to drive the detection core to move towards the objective table by a second preset distance, and the second preset distance is larger than the standard distance. On the basis of guaranteeing the detection precision, the structure simplification and the low cost are realized at the same time.

The utility model relates to an SMT patch lossless quality scanning and detecting device, which belongs to the technical field of SMT patch detection and comprises a scanning and detecting device body, a loading box is mounted in the scanning and detecting device body in a sliding manner, and a workbench is arranged at the top end of the loading box. The beneficial effects of the utility model lie in that the loading box and the workbench are moved to the position to be detected through the adjusting mechanism, the X-ray emitter is started immediately, the X-ray is emitted through the X-ray emitter, the X-ray is received by the X-ray receiver after passing through the SMT patch body and the optical glass, and the optical glass is an optical material, so that the penetration of the X-ray is not affected, and the detection accuracy is improved. The method comprises the steps of receiving X-rays at different positions, forming imaging shadows with different depths according to different intensities of the X-rays received at different positions, transmitting image data to an image processing system for processing, judging whether the quality of an SMT patch body is qualified or not according to a processing result, and finally outputting a detection report, and the scheme has the advantages of low cost, high safety and the like, and is suitable for popularization and application. The method is suitable for large-scale popularization and application.

The present disclosure provides optical glass, a method for preparing same and use thereof. The method includes the steps of: (1) weighing raw materials, and mixing them uniformly, the optical glass includes, in terms of the mass percentage of oxides: 40-50% La2O3, 15-25% Nb2O5, 10-20% Gd2O3, 5-10% GeO2, 5-10% B2O3, 1-6% TiO2, and 0.1-1% K2O; and (2) melting a mixed batch to obtain molten glass, and then introducing a gas into the molten glass for atmosphere bubbling, wherein the gas includes an inert gas and a reducing gas; the inert gas has a specific gravity greater than that of air at the same temperature and gas pressure; and the reducing gas makes the molten glass have a redox index of −120 to −5; after stopping the bubbling, homogenizing the molten glass to be clarified with stirring. The technical problem to be solved is how to provide a method for preparing optical glass that allows the obtained optical glass to have not only a high refractive index but also a high light transmittance in a visible light region, thereby facilitating promotion and use.

The invention relates to high-strength and high-transparency nano glass ceramic and a preparation method and application thereof, and the high-strength and high-transparency nano glass ceramic is prepared from a synthetic aluminum-rich feldspar ceramic glass material, a beta-spodumene material, a cordierite material, a synthetic beta-dicalcium silicate material and a magnesium aluminate spinel material. According to the present invention, a stable-structure feldspar matrix glass is adopted as a main body precursor mineral material, zirconia micro-powder with a particle size of less than 10 nm is adopted as a nucleation agent and a micro-crack damping pinning agent, nanometer microcrystals with a particle size of less than 100 nm are controlled to be generated in a glass body formed after melting, and the nanometer microcrystals account for 50-95% by volume; the high-strength and high-transparency nanocrystalline glass with a uniform microstructure is formed and woven with matrix glass in a symbiotic manner. The prepared nano microcrystalline glass has the advantages of high hardness, high fracture toughness resistance and high light transmittance, and is suitable for manufacturing various optical glass.

The application provides an optical glass and a preparation method thereof. The optical glass contains the following components in terms of mole percentage: SiO2: 13-25%; B2O3: 8-17%; Al2O3: 0-6%; BN: 0.1-8%; La2O3: 20-30%; Y2O3: 0-5%; Nb2O5: 2-8%; TiO2: 20-30%; ZrO2: 3-9%; ZnO: 0-5%; the refractive index of the optical glass is 1.99-2.05, and the Abbe number is 26-32. The optical glass has low cost, and is further beneficial to reducing the cost of an optical system. The optical glass has excellent performance, and is beneficial to improving the transmittance of the optical system in the violet light band.

The invention belongs to the technical field of optical element manufacturing, particularly discloses a compensation control method for wavefront distortion of a thermal bending surface of vehicle-mounted optical glass, and aims to solve the problem of wavefront distortion caused by non-uniform stress and thickness change in a thermal bending forming process. Comprising the following steps: performing local pre-deformation treatment in a non-optical function area of optical glass to form a compensation stress source; in the main bending forming stage, the glass is deformed to a preset threshold value, and the forming force is maintained; and stress release triggering operation is executed on the non-optical function area, so that the compensation stress source is controlled to release, additional adjusting force generated by the compensation stress source and main bending forming force act synergistically, accurate adjustment of the curved surface and the thickness of the optical function area is completed, and finally a stable balance locking structure is formed. According to the invention, systematic wavefront distortion is compensated and inhibited, and the product yield and the performance stability in a wide temperature range are improved while curved surface forming and optical performance optimization are synchronously completed.

The invention provides optical glass which is relatively high in hardness and relatively low in thermal expansion coefficient. The optical glass comprises the following components in percentage by weight: 1-10% of SiO2; 7%-18% of B2O3; 24 to 39 percent of La2O3; 4 to 17 percent of Gd2O3 and Y2O3; 8.5% to 20% of ZnO; 8.5% to 19% of Ta2O5; nb2O5: greater than 0% but less than or equal to 8%; wO3: 0.1 to 8%; zrO2: 0.5 to 10 percent; the ratio of WO3 to Li2O is 2.0 to 8.0, and the ratio of 10 * Li2O to ZrO2 is 1.3 to 10.0. Through reasonable component design, the optical glass has high refractive index, low dispersion, low thermal expansion coefficient and high hardness, and can be widely applied to high-performance optical instruments.

This invention provides an optical glass, its preparation method, and an optical element. The optical glass contains the following components in molar percentage: B₂O₃: 5.0%–19.9%; SiO₂: 5.0%–28.0%; La₂O₃: 0.05%–11.5%; Gd₂O₃: 0%–10.0%; Y₂O₃: 3.6%–15.0%; ZnO: 22.5%–60.0%; the refractive index n of the optical glass is... d An Abbe number of υ is above 1.78. d The temperature coefficient of refractive index is 35-45. The optical glass of this invention has a large positive temperature coefficient of refractive index. When used in combination with optical glass having a negative temperature coefficient of refractive index, it can effectively correct temperature drift caused by rapid temperature changes or high-temperature environments, fix the focus, and maintain clear imaging. It is suitable for vehicle-mounted cameras or projectors, copiers, laser printers, and playback devices that generate a lot of heat during use.

The invention discloses a vacuum coating system and a coating method thereof.The coating method comprises the following steps that S1, a target material is dried, naturally cooled and then placed in a crucible, and then a lower shell is sealed; s2, a single crystal germanium sheet and an optical glass sheet are used as substrates to be placed on the flange at the bottom end of the placing cylinder, and the upper shell is sealed; s3, the lower shell and the upper shell are vacuumized; and S4, an electron gun corresponding to the crucible is started, the electron gun generates a high-energy electron beam to heat the target material to the evaporation temperature, and the target material moves upwards in the form of particles after being evaporated and is deposited on the surface of the substrate. According to the invention, the plurality of crucibles are distributed along the vertical direction and share the same axis, so that the evaporation direction of the target material in each crucible is ensured to be consistent. The target material in the crucible moves upwards in the vertical direction of the substrate after being heated to the evaporation temperature, so that frequent adjustment of the position of the substrate is avoided, the operation of the coating process is simplified, the uniformity and efficiency of coating are improved, and the requirements of multi-layer and complex coating are met.

The present application provides an optical glass, which contains, in terms of weight percentage, SiO2: 1-15%; B2O3: 2-18%; La2O3: 35-65%; Y2O3: 5-25%; ZrO2: 2-15%; Nb2O5: 1-15%; TiO2: 5-20%, and the refractive index n d of the optical glass is 1.96 or more. Through reasonable component design, the optical glass obtained by the present application has a desired refractive index and Abbe number, and has a lower density, meeting the lightweight use of optical instruments.

The utility model discloses a laser axis determination instrument structure, which belongs to the technical field of laser boresighting, is used for receiving laser beams emitted by a laser boresighting mirror, and comprises a laser receiving assembly, a top shooting assembly and a tail shooting assembly, two vertical plates are symmetrically mounted on two sides of the bottom plate, and a spectroscope is fixed in a space formed by the base and the vertical plates; the spectroscope divides a laser beam emitted by the laser borescope into two light beams which are perpendicular to each other, and the two light beams are transmitted to the top shooting assembly and the tail shooting assembly respectively. Compared with the prior art, the device comprises the two groups of shooting assemblies which are perpendicular to each other, and can obtain a light spot image with a clear outline and a proper size by using optical glass and a CCD camera group, so that the deviation distance and the deviation angle can be conveniently calculated in the later period. In addition, the structure adopts a modular and combined design, and the joints are connected by flanges or threads, so that components with different specifications can be flexibly replaced, and later maintenance is also facilitated.

The utility model relates to the technical field of optical glass lens molds, and discloses a high-precision aspheric optical glass lens mold which comprises a base, a fixed seat is fixedly connected to the upper end of the base, a top plate is arranged at the upper end of the base, replacement structures are arranged in the fixed seat and at the lower end of the top plate, and a cleaning structure is arranged on the base. The replacement structure comprises a lower mold, the lower mold is in sliding connection with a fixing base, a blocking plate is rotationally connected to the interior of one side of the fixing base, and a through hole is formed in one side of the blocking plate. The movable rod can be inserted into or far away from the sideboard, so that the sideboard is poked to facilitate installation of the lower die in the fixed seat or far away from the fixed seat, the screws are removed to quickly disassemble the upper die, the die is conveniently replaced according to production requirements, and the cleaning sponge can be driven to move through the electric sliding block, so that the surface of the die is cleaned. And residual materials or impurities on the mold are removed.

The utility model relates to the technical field of soil detection, and discloses a direct insertion type soil nutrient detector which comprises an upper shell and a lower shell, the upper shell is fixedly connected with the lower shell, and the bottom of the lower shell is fixedly connected with a guide head; the display assembly is mounted on the upper shell; the detection probe is installed in the lower shell, a light emitting diode is fixed to the detection probe and used for emitting near-infrared light with the specific wavelength to soil, the photodiode is used for receiving the near-infrared light reflected by the soil and converting the near-infrared light into an electric signal, and the temperature sensor is used for monitoring the soil temperature in real time; the optical glass is fixedly connected with the detection probe, covers the outer sides of the light emitting diode, the photodiode and the temperature sensor, and is in direct contact with soil; and the mainboard is arranged in the clamping groove of the lower shell. The rapid and accurate detection of the contents of nitrogen, phosphorus, potassium and organic matters in the soil can be realized.

The present application provides an optical glass, which contains, in terms of mole percentage, SiO2: 25-40%; B2O3: 1-8%; La2O3: 1-8%; BaO: 1-6%; CaO: 5-25%; Nb2O5: 5-15%; TiO2: 8-20%; Li2O: 1.5-15%. By containing appropriate amounts of SiO2 and alkali metal oxides and other components, the optical glass has excellent anti-crystallization performance; by containing high refractive index components such as Nb2O5 and TiO2, the optical glass has a relatively high refractive index; by reasonable component design, the glass has a relatively low relative partial dispersion.

The utility model discloses an optical glass processing and polishing device, which relates to the technical field of optical glass polishing, and comprises a base and a substrate, one end of the base is fixedly connected with a support frame, the inside of the support frame is fixedly connected with a sliding rod, the sliding rod is movably connected with a sliding plate, and one end of the top of the sliding plate is fixedly provided with a hydraulic telescopic rod. The top end of the hydraulic telescopic rod is fixed to the inner wall of the top of the supporting frame, a driving motor is fixed to one end of the top of the sliding plate, an output shaft of the driving motor is fixedly connected with a polishing roller through a connecting column, a control motor is fixedly connected to the center of the bottom of the base, and a discharging baffle for discharging is fixed to one end of the top of the base. By means of the clamping plate, the air bag and the extrusion ring, when the device operates for feeding, lenses fall into the containing groove of the base plate, due to the fact that the lenses are different in size, part of the lenses fall downwards due to the small size, the air bag is extruded through the extrusion ring, the air pipe is tightened inwards, and therefore the clamping plate is driven to clamp the lenses.

This invention belongs to the field of optical glass manufacturing technology. It provides a dynamic optimization control method for furnace parameters in continuous melting of optical glass, comprising: analyzing the mapping relationship between kiln pressure and spurious liquid level responses based on historical and step test data, determining dynamic critical thresholds for each operating condition, and constructing a decoupling discrimination criterion library. Secondly, monitoring kiln pressure and liquid level, when exceeding the threshold, using multi-source sensors and time-series correlation analysis, distinguishing between spurious and real fluctuations, and outputting the true liquid level change. Then, analyzing the mapping law between liquid level deviation and adjustment parameters, forming a matching rule library of operating conditions, liquid level ranges, and adjustment strategies. Finally, constructing a coupled model of adjustment amount and liquid level change based on random forest, inputting the true liquid level change, and outputting the target value of the adjustment parameter. This invention achieves accurate online distinction between spurious and real fluctuations, avoids erroneous adjustments during material feeding, and improves liquid level control accuracy and product optical quality.

This optical glass has, in terms of mass%, a SiO2 content of 20-30%, a Li2O content of 2-8%, a Na2O content of 0-8% (exclusive of 0), a BaO content of 0-8% (exclusive of 0), a ZrO2 content of 2-10%, and a Nb2O5 content of 40-60%.