67 results about "Glass strength" patented technology

The invention discloses high-strength high-temperature-resistant fireproof industrial glass and a preparation method thereof, and relates to the technical field of glass manufacturing. The industrial glass is prepared from the following raw materials: silicon dioxide, boric oxide, aluminum oxide, sodium oxide, potassium oxide, niobium phosphate, a composite reinforcing component and a clarifying agent, the composite reinforcing component is prepared from hafnium oxide, gadolinium oxide and zinc oxide; the clarifying agent is obtained by mixing cerium dioxide and tin oxide. The preparation method of the industrial glass comprises the following steps: preparing functional components, melting glass, forming a glass substrate, and preparing the industrial glass. The prepared industrial glass is high in strength, good in high-temperature stability and excellent in fireproof performance.

The utility model relates to the technical field of glass lining strength detection, in particular to a glass lining impact strength detection device which comprises a ball screw module which is vertically arranged. The electromagnet is used for adsorbing a steel ball, and the electromagnet is driven by the ball screw module to do lifting motion; the transverse linear module comprises a first movable plate capable of moving in the transverse direction, and the transverse linear module is fixedly connected with the bottom end of the ball screw module; the longitudinal linear module comprises a second movable plate capable of moving in the longitudinal direction, and the longitudinal linear module is driven by the transverse linear module to do transverse linear motion; and one end of the positioning rod is hinged to the bottom of the peripheral face of the ball screw module through a damping hinge, and the positioning rod is provided with a storage position in a vertical state and an identification position in a horizontal state. According to the utility model, the impact point position of the steel ball on the glass lining plate can be accurately controlled.

The invention discloses a strength detection device and method for high-strength impact-resistant glass processing, and relates to the technical field of glass strength detection.The strength detection device comprises a device body, a mounting frame and a collection box, a hydraulic pump is mounted at the upper end of the device body, a hydraulic column is mounted at the output end of the hydraulic pump, and a pressing plate is mounted on the outer wall of the hydraulic column and provided with a pressing plate; an L-shaped plate is movably installed in the device body, an impact ball is installed at the bottom end of a hydraulic column, a detection probe is arranged in the device body, two sets of limiting shafts are symmetrically installed on the inner wall of the device body, and limiting plates are installed on the outer walls of the two sets of limiting shafts. According to the glass strength detection device, the impact balls, the L-shaped plates and the limiting plates are arranged, the impact balls move downwards to carry out strength detection operation on glass, if cracks are generated on the surfaces of one group of glass or the impact ends of the glass are broken, the two groups of limiting plates are turned over, so that the broken glass falls into the collecting box, and the glass detection efficiency is improved.

The invention relates to the technical field of lithium-aluminum-silicon glass reinforcement, in particular to lithium-aluminum-silicon glass, a cover plate and electronic equipment, the lithium-aluminum-silicon glass comprises a pressure stress layer and a tensile stress layer, the pressure stress layer is a part from the glass surface to DOL-0, and the rest is the tensile stress layer; the stress curve meets the conditions that CT-AV is larger than or equal to 70 MPa and smaller than or equal to 120 MPa, and CT-CV is larger than or equal to 100 MPa and smaller than or equal to 140 MPa; the absolute value of the average slope of stress distribution from the stress inflection point to DOL-0 is 1.2-2.3 MPa / mu m, the absolute value of the average slope of stress distribution from the surface of the glass to the stress inflection point is 60-250 MPa / mu m, the thickness range from the surface of the glass to the stress inflection point is 0-0.01 t, and the lithium-aluminum-silicon glass strengthening process is adjusted according to the conditions, so that the CT value is stabilized in the optimal range of glass strengthening. Therefore, the strength of the strengthened glass is obviously improved, and meanwhile, the phenomenon that the glass is self-exploded or the falling performance is reduced due to excessive strengthening is avoided. The problem that the whole machine abrasive paper falling performance is low due to the fact that existing lithium aluminum silicon glass is low in ion exchange depth is solved.

The invention relates to the technical field of fireproof glass testing devices, in particular to a fireproof glass strength testing device which comprises a furnace body, a furnace cover and a plurality of flame spray guns, a fixed frame is arranged in the furnace body, and a first protective shell and a second protective shell are mounted at the top of the fixed frame through an adjusting mechanism; a glass mounting seat is arranged in the fixed frame body, and a residue collecting box is arranged at the bottom of the fixed frame body. According to the scheme, through the residue collecting box arranged at the bottom of the fixed frame body, falling glass fragments and melts can be directly received in the testing process. And after the test is finished, the collecting box can be automatically moved out of the furnace and overturned and dumped by utilizing the pushing mechanism and the gear-rack linkage mechanism, so that the safe, convenient and automatic cleaning of residues is realized, the labor intensity and the risk of workers are greatly reduced, and the inner wall of the furnace body is effectively protected.

The invention relates to a method of manufacturing an inorganic silica-based hollow glass container, particularly a soda-lime-silica glass container in the form of a glass bottle. The method comprises the steps of providing a glass container with a hot coating; preparing a coating solution by mixing an amino-functional silane as a silica precursor compound, a solvent, and at least one alcohol and / or water to ensure controlled evaporation; applying the coating solution at least partially onto the external wall of the glass container; and, preferably at room temperature and an ambient temperature of up to 150°C, allowing controlled evaporation of the coating to obtain a food-grade coating layer with a thickness of <10 nm on the external surface of the glass container.

The invention relates to the technical field of tempered glass, in particular to low-temperature tempered high-alumina-silica glass and a preparation method thereof. The low-temperature reinforced high-alumina silica glass is prepared from the following components in percentage by mass: 50.0% to 65.0% of S O < 2 >, 15.0% to 30.0% of Al < 2 > O < 3 >, 10.0% to 16.0% of Na < 2 > O, 0% to 8.0% of K < 2 > O, 0% to 8.0% of MgO and 2.0% to 10.0% of P < 2 > O < 5 >. The strengthening temperature of the high-alumina-silica glass is lower than the decomposition temperature of potassium nitrate, so that the service life of the strengthening salt can be prolonged, the glass is continuously strengthened, and the strength of the strengthened glass still meets the requirement.

The invention relates to the technical field of glass preparation, in particular to high-strength glass and a preparation method thereof, and aims to solve the problem of poor glass strength caused by the fact that forage for manufacturing glass is conventional materials at present. According to the invention, SiO2, Al2O3, Na2O, K2O, MgO, ZrO2, B2O3 and materials are subjected to hot melting, then nano-silica is added, the nano-silica can improve the overall structural performance and toughness of the glass so as to improve the strength of the glass, and the nano-silica is matched with the impact resistance of K2O in the batch so as to further improve the strength of the glass, and after the materials are subjected to hot melting to form glass liquid, the glass liquid is not prone to falling off. The strength of the glass can be thoroughly stabilized through the procedures of annealing, cooling, cleaning, polishing and the like, so that the strength of the glass is improved by adding K2O and nano silicon dioxide in the batch.

This utility model discloses a glass bending strength testing machine, belonging to the field of glass strength testing. The glass bending strength testing machine has a rectangular hollow frame set on the outer edge of a base. Protective structures are provided on all four sides of the frame. A discharge channel is formed between the long side of the base and the frame, located below the base. A glass collection box is detachably connected inside the discharge channel. A pressing mechanism is located at the top center of the frame. A guide rail is provided on the base along its length, and at least two sets of movable seats are slidably connected to the guide rail. Support rollers are provided on the movable seats. The pressing mechanism is located between the two sets of support rollers, with its output end facing the plane of the support rollers. This utility model can monitor and record the pressure value applied to the glass sample in real time, providing a reliable basis for subsequent data analysis and evaluation. It can also distribute the force applied by the pressure rollers to prevent stress concentration and improve the accuracy of glass strength testing.

The present application discloses a black near-infrared transparent glass and a preparation method thereof, and relates to the technical field of optical glass. A black near-infrared transparent glass is prepared from raw materials including the following components: SiO2, Al2O3, Na2O, K2O, ZrO2, ZnO, and Sb-containing compounds. The preparation method thereof comprises the following steps: S1: preparing the various component materials in the raw materials in proportion, melting them after mixing, and processing to obtain the basic glass; S2: performing color development treatment on the basic glass, and then processing it according to the required size specifications to obtain a semi-finished product; S3: chemically strengthening the semi-finished product to obtain a finished glass. The glass of the product is black and evenly colored, has extremely high light transmittance in the near-infrared region, and basically has no light transmittance in the visible light region; at the same time, the glass of the product has high strength performance, high hardness, scratch resistance and other capabilities, and excellent quality.

The utility model discloses an impact-resistant tempered glass strength detector, and belongs to the technical field of glass strength detection. An impact-resistant tempered glass strength detector comprises a detection table and a pressing block, the pressing block is installed above the detection table, the impact-resistant tempered glass strength detector further comprises two baffles which are symmetrically arranged and rotationally installed on the detection table through driven shafts, and a driving part for driving the two baffles to rotate is arranged on the detection table; the channel is formed in the middle of the detection table, and the baffle is arranged in the channel; the two clamping plates are symmetrically arranged above the detection table, and a moving part for driving the two clamping plates to move relatively is arranged on the detection table; the driving part drives the two baffles to rotate around the driven shaft to open the channel, so that broken glass is cleaned out of the detection table from the channel, manual cleaning is not needed, workers are protected, and the subsequent detection efficiency is improved.

A magnifier is the only product of its kind that offers a completely hands-free scope option that requires little to no adjustment after set-up. This unprecedented product is uniquely designed with high-grade magnifying lenses that cover large viewing areas, possesses durable LED lights to deliver operational excellence and glass strength ranging from 2 to 3× magnification to help with clarity for the viewer during utilization.

A glass strength evaluation apparatus includes a support unit, a plate disposed on the support unit and including a surface on which a glass article, which is a target to be tested, is disposed, a fixing jig disposed on the plate and a power unit lifting up or down the fixing jig in a vertical direction toward the surface of the plate. The fixing jig includes a body portion, which extends in the vertical direction and lower fixing bolts. A press-fitting member insertion opening is recessed from a bottom of the body portion to extend in an upward direction, lower fixing bolt insertion holes penetrate the body portion, from one side of the body portion, in a first horizontal direction intersecting the vertical direction, to be extended to the press-fitting insertion opening, and lower fixing bolts are coupled into the lower fixing bolt insertion holes.

The invention relates to a method of manufacturing an inorganic silica-based hollow glass container, particularly a soda-lime-silica glass container in the form of a glass bottle. The method comprises the steps of providing a glass container with a hot coating; preparing a coating solution by mixing an amino-functional silane as a silica precursor compound, a solvent, and at least one alcohol and / or water to ensure controlled evaporation; applying the coating solution at least partially onto the external wall of the glass container; and, preferably at room temperature and an ambient temperature of up to 150°C, allowing controlled evaporation of the coating to obtain a food-grade coating layer with a thickness of <10 nm on the external surface of the glass container.

The invention discloses a falling ball test device for multi-dimensional glass strength test, and particularly relates to the technical field of strength test, the falling ball test device for multi-dimensional glass strength test comprises a support, a guide groove disc, a support frame and a synchronous falling ball intelligent sensing test mechanism; the synchronous falling ball intelligent sensing test mechanism comprises a driving motor, a sleeve block and a linkage ring, and further comprises a synchronous release test mechanism and a synchronous vertical falling ball adjusting test assembly. The synchronous falling-ball intelligent sensing testing mechanism has the advantages that multi-dimensional synchronous adjustment testing is performed on a plurality of corner pressure sensors according to specified angle positions, and the glass strength falling-ball adjustment testing efficiency is greatly improved, so that the problems that synchronous adjustment testing according to the specified angles is difficult to realize, and the testing precision is high are solved. And aiming at free falling balls at multiple vertical positions, the adjustment test is difficult to synchronously carry out according to specified positions, so that the glass strength falling ball adjustment test efficiency is relatively low.

The present invention relates to the technical field of glass. Disclosed is a composite strengthening method for improving the strength of ultrathin glass. The method specifically comprises: the following composite strengthening steps for an ultrathin glass cover plate: step 1. cleaning and drying the surfaces of an ultrathin glass cover plate prepared on a production line; and step 2. using ultrafast laser to perform full-surface heat accumulation treatment on the front and back surfaces of ultrathin glass, and naturally cooling the ultrathin glass to microcrystallize the upper and lower surfaces of the glass. By using these steps to strengthen the ultrathin glass cover plate and using laser to induce microcrystallization on the surfaces of the glass before chemical strengthening, the present invention solves inherent deformation and warpage problems caused by conventional physical tempering, and problems such as insufficient strength of the ultrathin glass caused by insufficient degree of ion exchange in single chemical strengthening, ensuring not only the appearance of the ultrathin glass but also the strength and bending performance of the glass.

This invention provides a high-strength, stable engineering stress-distribution glass, its preparation method, and apparatus. One side of a glass sample that has undergone a single ion exchange is cooled to a low temperature, while the other side is brought into contact with the molten salt surface. The ion exchange temperature cutoff depth inside the glass is determined by the molten salt temperature. A second ion exchange is then performed to obtain the high-strength, stable engineering stress-distribution glass. This invention simplifies and controls the secondary ion exchange process for glass, achieving both increased glass strength and improved glass stability.

The invention discloses a method for improving the strength of AG TP glass, the passing rate of a full-plate seven-point falling ball test of the AG TP glass manufactured by the method is greater than or equal to 90%, and the strength of the AG TP glass is reliably improved. The method comprises the following steps: S1, alkaline pretreatment: immersing AG TP glass into a mixed alkaline solvent with the pH value of 12-13; s2, chemical strengthening: washing away the residual solution on the surface of the AG TP glass subjected to the alkaline pretreatment with deionized water, then putting the AG TP glass into a chemical strengthening furnace containing molten salt such as potassium nitrate, and carrying out ion exchange reaction at high temperature to form a pressure stress layer on the surface of the glass; and S3, performance testing, wherein the AG TP glass passing the detection is packaged and warehoused.

The invention discloses a method for testing the peel strength of a photovoltaic module, which comprises the following steps: providing a test sample which comprises a back plate, a first EVA (Ethylene Vinyl Acetate) adhesive film, a second EVA adhesive film and glass; an opening is formed in the same position of the back plate, the first EVA adhesive film and the second EVA adhesive film, so that the test sample has two test areas; two pieces of isolation cloth are provided, one piece of isolation cloth is used for isolating the back plate of one testing area from the first EVA adhesive film, and the other piece of isolation cloth is used for isolating the second EVA adhesive film of the other testing area from the glass. The openings are formed in the same positions of the back plate, the first EVA adhesive film and the second EVA adhesive film, so that one test sample has two test areas, and the back plate in the two test areas is separated from the first EVA adhesive film and the second EVA adhesive film and the glass through the isolation cloth respectively; therefore, the glass strength test between the EVA adhesive film and the backboard and the strength test between the EVA adhesive film and the glass can be respectively carried out in the two test areas, the test process is simplified, and test materials are saved.

The invention discloses a glass processing method for fragment identification and tracing. The method comprises the following steps: determining a plurality of laser code depths in the thickness direction of a glass raw material according to linear cutting requirements and laser code requirements; a laser is adopted to form invisible codes with unique codes and consistent code point sizes at all depths in the direction from the bottom surface to the top surface through laser; reading and associating all invisible code information; carrying out linear cutting to obtain a plurality of glass sheets; and in the back-end process, reading the invisible code, and binding the invisible code with the production quality data to realize full-life-cycle tracing. Through the multi-layer depth coding and intelligent code reading strategy, it is ensured that the invisible code can still be stably recognized after being subjected to ink preparation and other back-end processes, the influence on the glass strength is small, the problems that a traditional identifier is prone to being lost and is difficult to track in a fragmented mode are solved, and the method is suitable for intelligent manufacturing and automatic tracing scenes of ultra-thin glass.

The invention provides a glass curtain wall detection device for engineering supervision, and relates to the field of glass strength detection. The glass curtain wall detection device for engineering supervision comprises a test bottom table, a step table and a test platform, the step table and the test platform are both fixedly installed on the test bottom table, the test platform is located at the uppermost portion, the glass curtain wall detection device further comprises two pneumatic pressure applying assemblies and two hydraulic pressure applying assemblies, and the pneumatic pressure applying assemblies and the hydraulic pressure applying assemblies are arranged on the test bottom table. The pneumatic pressure applying assemblies and the hydraulic pressure applying assemblies are fixed to the four corners of the testing bottom table respectively and are arranged in a staggered mode. According to the glass curtain wall detection device for engineering supervision, the displacement platform is arranged, two special fixing modes are achieved, multiple different data can be obtained when glass curtain wall detection is conducted, the detection result is more accurate, multiple sets of test data can be obtained at a time when glass is tested through the detection assembly, and the detection efficiency is improved. The deformation data of each position can be tested through one-time clamping.

The present application relates to the technical field of glass-ceramics, and particularly relates to a processing technology of glass-ceramics, comprising the following steps: (1) CNC processing; (2) scanning body; (3) scanning 2.5D surface; (4) double-sided polishing; (5) strengthening; (6) polishing body; (7) polishing 2.5D surface. The processing technology of the present application optimizes the finishing cutting amount by adjusting the processing program in the CNC processing step, reduces the probability of micro-cracks caused by large cutting amount of the grinding head; increases the grinding amount by adjusting the time in the scanning 2.5D surface step, improves the effect of arc polishing, reduces the scratches on the surface of the glass, and improves the strength of the glass; increases the grinding amount by adjusting the time in the double-sided polishing step, improves the flatness of the glass, reduces the scratches on the surface of the glass, and improves the strength of the glass; and increases the body and surface return polishing after strengthening, reduces the scratches on the surface and the periphery of the glass, micro-cracks and salt particles attached to the surface after strengthening, and improves the overall strength of the glass.

The present invention relates to the technical field of photovoltaic glass strength detection, specifically a large-size TOPCon photovoltaic glass strength detection device, including a testing machine, a fixing component installed on the testing machine, the fixing component including a cylinder fixedly installed on the testing machine, a first half gear installed on the output end of the cylinder, a second half gear meshed with one side of the first half gear, a fixed platform fixedly installed on one end of the second half gear, a group of suction cups installed on the fixed platform, a piston plate slidably installed inside the fixed platform, the purpose of the present invention is: through the mutual engagement of the first half gear and the second half gear of the fixing component, the second half gear is driven to rotate, and the second half gear drives the fixed platform to flip, so as to prevent the test personnel from being unable to conveniently adjust the test angle of the photovoltaic glass due to excessive size, and perform strength detection on other angles of the photovoltaic glass, resulting in errors in the strength detection.

The invention relates to the technical field of photovoltaic glass strength detection, in particular to large-size TOPCon photovoltaic glass strength detection equipment which comprises a testing machine, a fixing assembly is installed on the testing machine and comprises an air cylinder fixedly installed on the testing machine, a first half gear is installed at the output end of the air cylinder, and a second half gear is installed at the output end of the first half gear. A first half gear is fixedly installed on one side of the fixing assembly, a second half gear is meshed with one side of the first half gear, a fixing table is fixedly installed at one end of the second half gear, a set of suction cups are installed on the fixing table, and a piston plate is installed in the fixing table in a sliding mode. The second half gear is driven to rotate, so that the second half gear drives the fixed table to turn over, and the situation that due to the fact that the size is too large, detection personnel cannot conveniently adjust the testing angle of the photovoltaic glass and cannot conveniently detect the strength of the photovoltaic glass at other angles, and consequently errors exist in strength detection is prevented.

The application provides a room temperature curing two-component epoxy pouring sealant based on modified dimer acid epoxy and application thereof, which comprises components A and B; the raw materials for preparing the component A comprise 23-27% of a compound with the structure of formula I, 23-27% of glycidyl ether, 47.5-48.3% of hollow glass microbeads, 0.08-0.12% of a rheological additive and 1.8-2.3% of a flame retardant; the raw materials for preparing the component B comprise 33-37% of epoxy soybean oil modified dimer acid, 42-48% of dimer acid modified polyamide and 18-23% of a toughening agent. The pouring sealant has excellent open time, high board-core glass strength, flat tensile strength, flat compression strength, good sound insulation performance, excellent point load and static load experiment performance and high board-core shear force by using the compound with the structure of formula I, the epoxy soybean oil modified dimer acid with the structure of formula II and the dimer acid modified polyamide with the structure of formula III.

Systems, methods, and apparatuses for controlling the broken particle size of tempered glass are disclosed. A glass piece may be formed to have one or more bends, each bend having a radius. A larger radius may result in smaller broken particles relative to a smaller radius. The formation of bends may increase the brittleness of the tempered glass piece relative to a flat piece of tempered glass piece. The bends may be formed via slumping. After forming the bends, the glass piece may undergo an ion exchange process to strengthen the glass and form the tempered glass. The ion exchange time and ion exchange temperature may be adjusted to control the broken particle size. Increasing any of the ion exchange time or the ion exchange temperature may yield broken particles of large sizes.

The invention belongs to the technical field of detection, and particularly relates to glass ceramic strength detection equipment which comprises a detection table, the top of the detection table is connected with a protective fence through bolts, and the top of the detection table is provided with a clamping mechanism, and the glass ceramic strength detection equipment is characterized in that the two sides of the top of the detection table are connected with side plates through bolts; a supporting plate is connected to the positions, close to the top, of the opposite sides of the two side plates through bolts, a through hole is formed in the top of the supporting plate in a penetrating mode, a hydraulic rod is connected to the inner wall of the through hole through bolts, a detection mechanism is arranged at the bottom of the hydraulic rod, and the detection mechanism is composed of a moving assembly and a detection assembly. The glass ceramic strength detection device can effectively detect the strength of glass ceramic, surface contact and point contact jointly act on the surface of the glass ceramic, the detection diversity of the strength of the glass ceramic can be improved, and the situation that due to the single detection mode, detection data is limited, and the detection effect of the glass ceramic is affected is prevented.

A flexible antimicrobial glass capable of effectively inhibiting the reduction of silver ions includes the following components in percentages by mass: 55-65% of SiO2, 16-25% of Al2O3, 5-12% of Na2O, 0.5-4% of K2O, 2-8% of MgO, 0-1% of CaO, 0-2% of ZiO2, 0.1-1% of Ag2O, 0.2-3.55% of CoO, and 0-0.5% of Na2S. The above constituting raw materials compose a batch, and the batch is melted and molded. The flexible antimicrobial glass can perfectly inhibit the reduction of silver ions into elemental silver, such that the yellowing of the glass is effectively controlled; it has antimicrobial performance, and the strength and toughness of the glass are prevented from damage because the flexible glass is thin. The glass has an antimicrobial activity grade of grade II, with the antimicrobial R being greater than or equal to 3, and has visible light transmittance at 380-780 nm of greater than or equal to 91%.

The embodiment of the utility model belongs to the technical field of display screen glass testing. The utility model further relates to a display screen glass strength testing device which comprises a drop testing mechanism, a jig box is arranged on the drop testing mechanism, the jig box and the drop testing mechanism are arranged in a separable mode, and the jig box is used for fixing the display screen glass to be tested through the double-sided adhesive tape. And the jig box falls along with the display screen glass during the falling test. According to the invention, the jig box is arranged, the jig box is used for fixing the display screen glass to be tested through the double-sided adhesive tape, and the jig box falls down along with the display screen glass during the falling test, that is, the display screen glass is adhered to the top of the inner cavity of the jig box through the double-sided adhesive tape during the test, so that the glass is effectively fixed; and the jig box and the display screen glass are landed together, so that a falling condition closer to an actual use scene is simulated, and the accuracy of a test result can be improved.

The utility model discloses a clamping structure for testing bulletproof and smash-proof glass, including an operating table, a cylinder, a cone head, a clamping plate and a vertical plate, wherein the cylinder is fixedly mounted on the right side of the top of the operating table, the cone head is fixedly connected to the output end of the cylinder, the clamping plate is movably connected to the front and rear sides of the top of the operating table, the vertical plate is fixedly connected to the front and rear sides of the left side of the top of the operating table, and a protective shield is arranged on the top of the operating table. The utility model can effectively cover the glass with the protective shield by arranging a protective shield and a cleaning port, so as to prevent the glass from splashing everywhere after being broken, and the cleaning port is convenient for users to clean up the glass fragments, thus solving the problem that the glass may be broken when the strength of the glass is tested due to the lack of a protective structure, resulting in the broken glass splashing everywhere and causing harm to the user, which is dangerous to a certain extent.