302 results about "Glass forming" patented technology

The invention relates to the technical field of 3D glass, in particular to a 3D glass cover plate forming parameter optimization system and method based on dynamic temperature and pressure regulation, and the method comprises the steps: building a mathematical model which comprehensively considers the coupling effect of a temperature field, a stress field and a flow field, and processing a control equation set through a numerical discretization method, a discretization model of the glass forming process is obtained, and a discretization equation is solved; establishing a multi-target parameter optimization model by taking geometric accuracy and residual stress of the formed glass cover plate as optimization targets and taking mold temperature and pressure as optimization design variables; a dynamic temperature and pressure regulation and control strategy is designed, and an optimal mold temperature and pressure curve is obtained through searching by means of an intelligent optimization algorithm; the actual effect of the dynamic temperature and pressure regulation strategy is evaluated by measuring and statistically analyzing the geometric accuracy and residual stress of the formed glass cover plate. The method provides a new thought and method for high-quality and high-efficiency manufacturing of the 3D glass cover plate.

The invention provides a low-dielectric glass fiber composition as well as glass fibers, electronic cloth and a composite material thereof. The glass fiber composition comprises the following components in percentage by weight: 50.0 to 58.0 percent of SiO2, 10.0 to 16.9 percent of Al2O3, 19.0 to 27.3 percent of B2O3, 2.3 to 6.6 percent of CaO, 0.2 to 4.0 percent of MgO, 0.01 to 1.0 percent of SrO, 0.01 to 0.3 percent of Na2O, 0.01 to 0.45 percent of K2O, 0.01 to 0.5 percent of Fe2O3, 0.01 to 0.49 percent of TiO2, 0.01 to 1.7 percent of F2, 0 to 1.4 percent of ZrO2, 0.12 to 1.8 percent of F2 + K2O, 0.05 to 2.0 percent of F2 + SrO, 0.03 to 0.49 percent of Na2O + K2O, greater than or equal to 0.6 percent of K2O / Na2O, greater than or equal to 0.5 percent of F2 / K2O, 3.0 to 9.8 percent of CaO + MgO + SrO and 72.0 to 84.0 the range of C2 = (F2 + K2O) / Na2O is greater than or equal to 1.4, the range of C3 = (F2 + K2O) / (Na2O + TiO2) is greater than or equal to 0.5, the range of C4 = (MgO + SrO) / CaO is greater than or equal to 0.05, and the range of C5 = (SiO2 + B2O3) / (CaO + MgO + Al2O3 + TiO2) is greater than or equal to 3.0; and the glass fiber composition does not contain lithium oxide. The glass fiber composition has the characteristics of low dielectric, low loss and low density, can improve the glass modulus, reduce the glass forming temperature, devitrification temperature and rate, can also reduce the surface tension and clarification difficulty of molten glass, has more cost advantages, and is suitable for large-scale production of low-dielectric glass fibers.

The invention discloses a calendaring forming device and a glass production line, and relates to the technical field of glass production. The calendaring forming device comprises a rack, a calendaring roller pair, a first cooling roller, a first turning roller and a transition roller set. The rolling pair rollers and the transition roller set are both installed on the machine frame, a pair roller gap is formed between the rolling pair rollers, the first cooling roller, the first turning roller and the transition roller set are sequentially arranged and are parallel to one another, the first cooling roller and the transition roller set are both arranged on the lower side of the glass belt, and the first turning roller is arranged on the upper side of the glass belt. The glass tape passing through the first cooling roller advances to the first turning roller at a first preset angle, the first preset angle is an included angle between the glass tape and the horizontal plane, and the range of the first preset angle is 95-105 degrees. The calendaring molding device provided by the invention can prevent the edge part of the glass tape from bending deformation, prevents the two sides of the glass tape from forming wavy edges, improves the flatness of the glass tape, and ensures the glass molding quality.

Inverting mechanism for a glass forming machine comprising at least one preform, with two mouth-holding arms (2, 3) which are adjustable between a closed position holding an opening area of ​​a cup formed in the at least one preform and an open position releasing this opening area, a central shaft (7) to which the mouth-holding arms (2, 3) are rotationally fixed and about whose central axis the mouth-holding arms (2, 3) can be pivoted from a first pivot position associated with the at least one preform to a second pivot position associated with the finished mold, and a drive device (19) with a motor unit (20) by means of which drive energy for pivoting the mouth-holding arms (2, 3) between their first and second pivot positions can be generated, characterized in thatthat the motor unit of the drive device (19) is designed as a rotary motor (20) with a stator element (25) and a rotor element (21), and that the rotor element (21) of the rotary motor (20) is axially and rotationally fixed to the central shaft (7) of the drive device (19) and the rotary motor (20) is arranged coaxially with respect to the central shaft (7) of the drive device (19).

The present application relates to the technical field of glass forming, in particular to a glass tempering and bending forming equipment and a temperature control system thereof, which can flexibly control the temperature of local areas by heating different glass heating areas with different heating elements, thereby ensuring the temperature uniformity control ability of glass heating; based on the similar neighborhood temperature of each glass heating area, the abnormal heating areas are analyzed and screened from the bottom and top of the glass respectively; further considering the possible misjudgment of abnormal heating areas when a large range of temperature anomalies occurs, the calculation of heating control temperature is carried out on the abnormal heating areas and the genus area in the topological structure of the abnormal connected area which may be regarded as a normal heating area according to the temperature deviation between adjacent glass heating areas, so that the accuracy of the heating control temperature of each glass heating area is higher, and the effect of temperature control on the glass heating process according to the heating control temperature is better.

The utility model discloses an edge grinding forming device for glass production, and belongs to the field of glass edge grinding. According to the technical scheme, the edging forming device for glass production comprises a supporting frame, a conveying track, an upper fixing supporting frame and a glass forming component, the conveying track is transversely connected to the center of the supporting frame, the upper fixing supporting frame is arranged on the rear side of the conveying track in a matched mode, and the glass forming component is arranged on the upper fixing supporting frame. And a glass forming part is arranged in the center of the conveying track. According to the device, the structure of existing glassware forming and edge grinding equipment is optimized, and the automatic feeding and conveying component is arranged, so that the glass ware edge grinding batch processing work efficiency is improved; and meanwhile, the chamfering front angle grinding head part and the flat angle grinding head part are arranged in the device, so that the angular position of the glassware part can be subjected to edge grinding treatment, the adaptability of the device in the using process is effectively improved, and the manual labor production cost is reduced.

This invention discloses a glass forming apparatus and a glass forming furnace that facilitates the assembly and disassembly of clamping rollers. The apparatus includes a furnace body, a first sealing window on a first side wall of the furnace body, and a window sealing mechanism for sealing the first sealing window. The window sealing mechanism includes two clamps and a sealing baffle. The two clamps are respectively fixed to the left and right sides of the first side wall of the first sealing window. The sealing baffle has two second sealing windows arranged along a second horizontal direction in its center. Each second sealing window contains a sliding plate that slides along the second horizontal direction, and the sliding plate has a through hole for the clamping roller to pass through. The left and right sides of the sealing baffle are respectively provided with clamp receiving platforms for pressing against the clamps. The clamps press against the clamp receiving platforms to seal the first sealing window. This invention allows for quick opening of the first sealing window when the clamping roller needs to be replaced without affecting the flexible floating of the clamping roller.

This glass molding device (10a) comprises: a molding chamber; an upper die (15) and a lower die (14) that are disposed facing each other in the interior of the molding chamber (26a) and that are molded into a predetermined shape; a lower shaft (19) that supports the lower die to be movable with respect to the upper die; an infrared lamp (28) that heats the upper die, the lower die, and molding glass; a jack (21) that moves the lower die in the direction in which the lower die is pressed against the upper die, thereby pressurizing and molding the molding glass by means of the lower die and the upper die; and an RF power supply (40) that applies a high-frequency pulse between the upper die and the lower die in a state in which a halogen-based gas has been supplied to the interior of the molding chamber when molding is not being performed, thereby generating plasma in the space between the upper die and the lower die and cleaning the upper die and the lower die by means of the plasma.

Provided are glasses containing silicon dioxide (Si02) and / or boron oxide (B203) as glass formers and having a refractive index n greater than or equal to 1.9 d (at 587.56 nm) and a density (measured at 25 °C) less than or equal to 5.5 g / cm 3 Optionally, the glasses can be characterized by high transmission in the visible and near-ultraviolet (near-UV) range of the electromagnetic spectrum and / or good glass forming ability.

The utility model relates to the field of glass conveying equipment, and discloses a flexible shaft conveying device which comprises a plurality of flexible shaft bodies distributed at intervals and a transmission mechanism used for driving all the flexible shaft bodies to rotate synchronously, and the transmission mechanism comprises a power connecting piece and a driving piece used for driving the power connecting piece to rotate. The two ends of each flexible shaft body are provided with power connecting pieces synchronously rotating with the flexible shaft bodies, the axes of the power connecting pieces coincide with the axes of the flexible shaft bodies in the straightening state, and the driving pieces drive the power connecting pieces at the two ends of the flexible shaft bodies to synchronously rotate. The two ends of the flexible shaft are driven to rotate synchronously, the situation of transmission delay of the flexible shaft is greatly improved, the problem that glass deviates from a conveying roller way in the conveying process of the flexible shaft can be avoided, and therefore the forming precision and the yield of the glass are improved.

The invention discloses transparent glass ceramic with tough zirconia fibers and a preparation method thereof, and belongs to the technical field of preparation of glass ceramic materials. The ceramic is prepared by the following steps: melting several of 52-56wt% of SiO2, 22-29wt% of Al2O3, 6-8wt% of MgO, 0.5-2wt% of B2O3, 20-2wt% of SnO, 8-15wt% of ZrO, 20-2wt% of HfO, 50-2wt% of Ta2O and 20-2wt% of TiO2, adding zirconium oxide fibers, casting a glass melt into a graphite mold, carrying out annealing treatment after the glass is formed, and carrying out heat treatment to obtain the ceramic. Cutting the formed glass, performing nucleation and crystallization heat treatment, grinding and polishing to obtain the transparent glass ceramic with tough zirconium oxide fibers. According to the invention, reasonable component design and two-step heat treatment are carried out on the base glass to form the glass ceramic in which crystals, fibers and glass coexist, and the principal crystalline phases are ZrO2 and magnesium aluminate spinel which are uniformly distributed in the glass ceramic, so that the Vickers hardness of the glass ceramic is increased by more than 8.9 GPa, and the Vickers hardness of the glass ceramic is increased by more than 8.9 GPa. And under the condition that the high fracture toughness of 2.7 MPa.m < 1 / 2 > or above is obtained, the good optical performance that the visible light wave band transmittance is 75% or above is kept.

The invention provides a glass processing bottle blowing forming die and a bottle blowing method, and relates to the technical field of glass processing.The glass processing bottle blowing forming die comprises a die station rotary table and glass forming die bodies, the multiple glass forming die bodies are arranged at the upper end of the die station rotary table and distributed at equal intervals, and the glass forming die bodies further comprise first forming die bodies and second forming die bodies; a first mold fixing strip is arranged on the side surface of the first forming mold; a second mold fixing strip is arranged on the side surface of the second forming mold; a plurality of glass forming molds are rotated at intervals by rotating a mold station rotating disc, a station rotating disc base is arranged at the lower end of the mold station rotating disc, a plurality of machining stations are integrally arranged on the side face of the station rotating disc base, and a glass water frame high platform is arranged at the upper end of one machining station. A glass water conveying pipe is fixedly installed at the upper end of the glass water frame high table, glass water heated and melted in the glass water conveying pipe is extruded into a hollow softened glass pipe in the hollow blank extrusion head, and a section of the softened glass pipe is placed in a glass forming mold.

The utility model relates to glass manufacturing and provides a glass forming heat suction mold which comprises a base, a first boss is formed on the base, a cavity is formed in the first boss, a plurality of air suction holes are formed in the bottom of the cavity and penetrate through the base so that the air suction holes can be connected with a vacuum generator, and glass frit in a hot melting state is placed in the cavity; and then the vacuum generator is started, and air in the cavity is rapidly extracted through the air suction holes, so that tiny marks or recesses left on the surface of glass due to thermal expansion or cooling shrinkage of the air in the forming process are avoided, the quality of glass products is remarkably improved, meanwhile, the production efficiency is improved, and the production cost is reduced.

The utility model relates to the technical field of mould pressing devices, in particular to a vacuum adsorption precise mould pressing device. A plurality of adsorption holes are uniformly distributed in the surface of the lower die; the adsorption hole penetrates to the bottom of the lower die; a connecting pipe communicated with the adsorption hole is fixed at the bottom of the lower die assembly; the connecting pipe is connected to a vacuum pump. When the device is used, gas between the inner cavity of the lower mold and preformed glass can be quickly pumped away in the initial stage of compression molding through the connecting pipe and the adsorption holes by the vacuum pump, so that gas residue between the inner cavity of the lower mold and the preformed glass is reduced to a great extent, and the preformed glass is more attached to the surface of the cavity of the lower mold during molding; and the surface quality of glass forming is higher.

The invention discloses a flow controller capable of controlling distribution of molten glass and a glass forming system, the distance between two flow control sliding blocks and the distance between the lower ends of two flow control clamping plates can be adjusted according to forming requirements, and the distribution width of the molten glass is blocked and guided by using inclined surfaces on opposite surfaces of the flow control sliding blocks; a flow control clamping plate is used for blocking and guiding the distribution thickness of the glass liquid, so that the distribution width and thickness of the glass liquid are close to a to-be-formed glass plate; therefore, the glass liquid is pre-adjusted at the stage that the glass liquid just flows out of the blanking port, the temperature is high and the fluidity is good, the adjustment amount of distribution adjustment equipment such as a follow-up shaping furnace and a transition channel is reduced, and the adjustment difficulty and hysteresis of the distribution state of the glass liquid are reduced; meanwhile, the scouring and the thermal effect of the glass liquid on the distribution adjusting equipment such as the shaping furnace are reduced through pre-adjustment, the aging and the thermal deformation are delayed, the stability of the glass forming quality is improved, and the maintenance frequency and the production cost are reduced.

Station for a glass forming machine, in particular for an IS or ISX glass forming machine, with station-side connections (4) by means of which the station (1) can be connected to glass forming machine-side supply lines or the like, characterized in that all station-side connections (4) can be disconnected from their associated supply lines or the like by means of quick couplings and that the station (1) can be removed from the glass forming machine as a unit.

The utility model provides a fruit and vegetable box cover plate glass forming and cooling device, belongs to the technical field of fruit and vegetable box cover plate glass forming, and solves the problems that an existing glass forming and cooling device is single in cooling mode, discontinuous, low in cooling efficiency and the like. Comprising a conveying mechanism, a water storage tank and an air compressor, the conveying mechanism comprises a conveying chain, and the conveying chain is divided into a horizontal feeding area, a trapezoidal high-temperature water tank area, a transition area, a trapezoidal medium-temperature water tank area and a horizontal discharging area from front to back; cooling spraying mechanisms on the upper side and the lower side are arranged on the upper side and the lower side of the conveying chain of the horizontal feeding area and the horizontal discharging area, a top draught hood is arranged on the upper side of the conveying mechanism, and a vortex cooling pipe is arranged on the front side of the conveying mechanism. According to the fruit and vegetable box cover plate glass cooling device, continuous operation of feeding, air blowing cooling, mist spraying cooling, water spraying cooling, two-time water bath cooling, blow-drying cooling and discharging can be achieved on fruit and vegetable box cover plate glass, the cooling speed is high, the cooling process is high in safety, water circulation is achieved, and more energy is saved.

The utility model relates to a glass processing forming mould, which comprises an upper mould, a lower mould and a lifting oil cylinder, a first cooling cavity is arranged in the upper mould, and a first liquid inlet and a first liquid outlet are respectively arranged at two ends of the first cooling cavity; a second cooling cavity is formed in the lower mold, a cooling coil pipe is arranged on the upper surface of the second cooling cavity, a spray head is arranged below the cooling coil pipe, and a backflow hole is formed in the bottom of the second cooling cavity; a second liquid inlet hole and a second liquid outlet hole are respectively formed in the left end and the right end of the lower mold; two ends of the cooling coil are respectively connected with the second liquid inlet hole and the second liquid outlet hole; the first liquid inlet and the second liquid inlet are connected through a pluggable connector, and the first liquid outlet and the second liquid outlet are connected through a pluggable connector. And a water cooling mechanism is connected between the second liquid inlet hole and the second liquid outlet hole. The upper mold and the lower mold are respectively provided with an independent cooling cavity, and heat is taken away through circulation of cooling liquid, so that the temperature of the mold can be quickly reduced, and the glass forming efficiency is improved.

An apparatus and method for positioning and receiving the shaft of a glass forming roll includes a rotatable member and a radially moveable member mounted on the rotatable member, the radially moveable member having a bore for receiving the shaft of the glass forming roll and movable between a first position and a second position, the first position closer to an axis of rotation of the rotatable member than the second position

The present invention relates to a glass forming system (1) for manufacturing two or more glass products from a glass blank (2), comprising: a transport unit (4) for transporting the glass blank (2), which has a grid structure (6), the grid structure having two or more process voids (12), the grid structure (6) being arranged and configured to hold the glass blank (2) vertically above the process voids (12); a forming device (13) having two or more forming units (16), the forming units each having an upper forming element and a lower forming element, the forming elements each being configured to form a cavity for shaping the glass blank (2), wherein the transport unit (4) can be arranged on the forming device (13) such that the forming units (16) can each move through one of the process voids (12) in order to press the glass blank (2) held by the grid structure (6) into the cavity (22).

The invention discloses glass forming equipment, and relates to the technical field of carrier plate glass production. The forming equipment comprises a forming container, a heating assembly, a drainage piece and a temperature control mechanism, the forming container comprises two side plates and a cavity between the two side plates, and openings are formed in the bottom ends of the two side plates; the heating assembly is configured to heat the interior of the cavity; the drainage piece is arranged in the cavity and is positioned above the opening; at least one side plate is provided with the temperature control mechanism, the temperature control mechanism comprises an air suction pipe and a vacuum generation assembly, one end of the air suction pipe is located in the cavity, and the other end of the air suction pipe is connected with the vacuum generation assembly. According to the forming equipment, the influence on the form of molten glass can be avoided while the temperature field in the forming container is adjusted, the change of the stress state is avoided, and the quality of the carrier glass is improved.

The utility model discloses a glass casting forming device which comprises a shell, a top plate and at least two lifting parts, the shell is covered with the top plate, and one side of the top plate is rotationally arranged on the shell; the lifting parts are arranged between the shell and the top plate, and the tops of the lifting parts act on the other side of the top plate, so that a certain inclination angle is formed between the top plate and the shell; the top plate is used for supporting molten glass poured on the top plate, so that the molten glass flows on the top plate at a certain speed to realize cooling molding. One side of the top plate can be jacked up, so that the inclination angle between the top plate and the shell is conveniently and flexibly adjusted, the flow speed of molten glass is favorably improved, the glass forming quality is improved, a more reasonable and efficient inclination angle can be adjusted according to the molten glass with different viscosities, and the production efficiency is improved. And convenience is provided for efficient and rapid molding of the molten glass on the top plate.

The utility model relates to a sunshade Low-E coated glass forming detection tool which comprises a main board, the main board and the lamp carrying frame are of a parallel loading structure, two sets of insertion plates are installed between the main board and the lamp carrying frame, a partition frame is connected between the two sets of insertion plates, and detection photosensitive paper and a coated glass plate are inserted into the two sets of insertion plates respectively; a detection lamp is mounted on the outer side of the lamp carrying frame, the detection lamp is of a plate-shaped structure and is flatly laid on the outer side of the lamp carrying frame, and detection light of the detection lamp directly irradiates the coated glass plate; and the mainboard and the lamp carrying frame are vertically inserted into the detection box. The utility model provides a forming detection tool for sunshade type Low-E coated glass. The detection box for independently testing the coated glass by adopting the light-proof box body is matched with the combined plate body to complete the detection process, and the uniform light-proof direct radiation detection is performed on the coated glass to be detected and the photosensitive paper matched with the detection in the process, so that the technical problem that the detection precision is influenced by an external optical fiber in the previous detection process is solved.

The present invention discloses a sandwich graphite mold for forming curved glass, comprising: a mold body 1, wherein the mold body 1 and the mold body 2 form a complete mold, and the mold body 1 is provided with a pouring port 1, and the mold body 2 is provided with a pouring port 2. In the present invention, the mold body 1 and the mold body 2 are docked, and the positioning blocks on the side walls of the mold body 2 are engaged with the positioning grooves provided on the mold body 1, and then the bending rod can be rotated so that the end block at the end of the bending rod rotates to fit with the arc groove. During the rotation of the end block, the clamping rod can be slidably connected to the side wall of the end block under the elastic force of the spring 1 until the clamping hole provided on the end block is aligned with the clamping rod. Under the elastic force of the spring 1, the clamping rod can be extended into the clamping hole, and then the mold body 1 and the mold body 2 are fixed as one. The connection method of the mold body 1 and the mold body 2 is relatively simple and quick, eliminating tedious steps, so that the staff can quickly get started and operate.

To provide a glass molding apparatus capable of cleaning a die without stopping the apparatus even when repeating molding, and a die cleaning method.SOLUTION: A glass molding apparatus includes: a molding chamber; an upper die (fixed die) and lower die (movable die) arranged to face in the inside of the molding chamber and formed in a predetermined shape; a lower shaft (movable shaft) for movably supporting the lower die to the upper die; an infrared lamp (heating means) for heating the upper and lower dies and molding glass; a jack (press-molding means) for pressing and molding the molding glass by the lower and upper dies by moving the lower die in the direction of pressing the upper die; and a RF power supply (cleaning means) for generating plasma in a space between the upper and lower dies by applying a radiofrequency pulse between the upper and lower dies in the state of supplying halogen based gas to the inside of the molding chamber when not molded to clean the upper and lower dies by the plasma.SELECTED DRAWING: Figure 8

The present invention belongs to the technical field of glass forming machines, and specifically relates to a surface treatment device for high-borosilicate glass tube forming equipment, comprising a forming machine frame, a top workbench of the forming machine frame clamping a high-borosilicate glass tube, the top workbench of the forming machine frame is located at an outer wall position on one side of the high-borosilicate glass tube and is fixedly connected to two supporting bases, an outer wall of one side of the supporting base is provided with a forming tube rack, an inner wall of the forming tube rack is rotatably connected to the outer wall of a rotating shaft, a working chamber is formed on the outer wall of the forming tube rack away from the supporting base, a forming fixture is fixedly installed on the inner wall of the working chamber, an air compressor is started to generate air pressure, and air flow is gradually transmitted to the forming fixture through the ventilation main pipe, the diverter valve pipe and the flow duct, and air is blown to the inner wall of the forming fixture to blow off dust and impurities that may be attached to the forming fixture.

The application provides a glass forming system, relates to the technical field of glass processing, and comprises a heating section, a pre-bending section and a forming section which are sequentially arranged. The heating section comprises a heating roller way and a heating mechanism, and the bending depth of the heating roller way is provided with a first curvature. The pre-bending section comprises a pre-bending roller way and an auxiliary heating mechanism, and the bending depth of the pre-bending roller way is provided with a second curvature, and the second curvature is not less than the first curvature. The forming section comprises a forming roller way and a cooling mechanism, and the bending depth of the forming roller way is provided with a third curvature, and the third curvature is not less than the second curvature. The pre-bending roller way and the forming roller way can form a main curvature direction, and the pre-bending roller way and the forming roller way are arranged in an arc shape to form a secondary curvature direction, so that the bending amplitude in the main curvature direction and the bending amplitude in the secondary curvature direction are controlled, the multi-dimensional composite curved surface is formed on the glass, and the flexibility of the curved surface modeling of the glass is significantly improved.

The invention discloses a TCO conductive glass processing method, and relates to the technical field of glass production. The TCO conductive glass processing method comprises the following steps: forming glass, melting a glass raw material in a melting furnace at a high temperature to form a uniform glass melt, continuously flowing the glass melt into a tin bath, floating the glass melt on the surface of tin liquid in the tin bath to form a glass tape, and carrying out edge pulling on the glass tape through an edge pulling roller to achieve a target size and form a glass substrate; and carrying out high-temperature coating, and moving the glass substrate to a coating channel through the outlet end of the tin bath and a material conveyor. According to the invention, the coating assemblies and the glass substrate are arranged to move synchronously, and two adjacent coating assemblies form a closed flow channel, so that a single coating assembly can perform continuous coating on the surface of a section of glass substrate, and a gas-phase reactant deposition process can be dynamically matched with the continuously moving glass substrate; and the coating uniformity of the chemical vapor deposition method is improved.

According to the columnar glass forming equipment and system, a first conveying mechanism intermittently acts, a beating and pressing driving part and the first conveying mechanism alternately act, and the beating and pressing driving part drives a pressing plate to beat and press molten glass in a mold cavity, so that the molten glass continuously provided by a feeding pipe can be sectionally formed into a plurality of pieces of columnar glass; the cross section of the columnar glass is the same as the required cross section, during use, only slicing and grinding are needed, a large amount of edge cutting is not needed, the use difficulty can be reduced, material waste can be reduced, the pressing plate is used for patting and pressing, glass liquid in the mold cavity can be uniformly distributed, the upper surface of the glass liquid can be flattened, and the forming size and the surface quality are ensured; casting molding is adopted, so that the method is not only suitable for conventional glass molding, but also suitable for microcrystalline glass molding; the problem that existing microcrystalline glass is difficult to form and use can be effectively solved, and the forming quality can be improved.