CN113277717A - Forming process and processing equipment for hyperbolic glass - Google Patents
Forming process and processing equipment for hyperbolic glass Download PDFInfo
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- CN113277717A CN113277717A CN202110548041.4A CN202110548041A CN113277717A CN 113277717 A CN113277717 A CN 113277717A CN 202110548041 A CN202110548041 A CN 202110548041A CN 113277717 A CN113277717 A CN 113277717A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/025—Re-forming glass sheets by bending by gravity
- C03B23/0256—Gravity bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/035—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending
- C03B23/0352—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet
- C03B23/0355—Re-forming glass sheets by bending using a gas cushion or by changing gas pressure, e.g. by applying vacuum or blowing for supporting the glass while bending by suction or blowing out for providing the deformation force to bend the glass sheet by blowing without suction directly on the glass sheet
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/044—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position
- C03B27/0442—Tempering or quenching glass products using gas for flat or bent glass sheets being in a horizontal position for bent glass sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
- C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
- C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
- C03B29/08—Glass sheets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The forming processing technology and the processing equipment for the hyperbolic glass can be used for batch production, the production efficiency of glass curved surface processing is improved, a plurality of pieces of glass are heated in the same heating furnace at the same time, the production continuity is enhanced, meanwhile, the sinking depth of the heated glass can be controlled by using the forming roller set, compared with the existing sinking type forming frame, the radian of the forming roller set can be adjusted by using the lifting device, curved surface glass with different models can be generated, the adjustment is convenient, compared with the sinking type forming frame, different forming dies do not need to be made according to different models, and the investment cost is reduced.
Description
Technical Field
The invention relates to the technical field of curved glass processing, in particular to a forming processing technology and processing equipment for hyperbolic glass.
Background
The toughened glass belongs to safety glass. The tempered glass is actually prestressed glass, and in order to improve the strength of the glass, a chemical or physical method is usually used to form compressive stress on the surface of the glass, and the glass firstly counteracts surface stress when bearing external force, so that the bearing capacity is improved, and the wind pressure resistance, the cold and hot property, the impact property and the like of the glass are enhanced. Along with the popularization of toughened glass, application scenes are increased, wherein the application of the double-curved-surface glass occupies a great proportion on automobiles, decorations and curtain walls, the usage amount is also increased year by year, and the production amount needs to be enlarged according to requirements to meet the use requirements.
However, in the current curved glass processing technology, most of the flat glass is heated to a hot melting state and then placed in a specific frame type forming die, the flat glass is deformed and falls down by utilizing the self weight of the glass in the hot melting state, a limiting bearing is arranged at the lower part of the die, and the double curved glass is formed after cooling and shaping.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a forming processing technology and processing equipment for hyperbolic glass, which have high production efficiency and can adjust the depth of a glass forming curved surface.
The molding processing technology of the hyperbolic glass comprises the following steps:
step 1: feeding, namely placing glass to be molded on a feeding frame and utilizing a conveying roller to carry out transmission;
step 2: heating, conveying the glass to be formed to a heating roller by using a conveying roller, pushing the glass to be formed into a heating furnace by using the heating roller to perform heating operation before forming, wherein the heating furnace is used for heating the upper side and the lower side, the heating temperature of the upper side is higher than that of the lower side, the heating temperature of the upper side is 700-, compared with the single heating power supply used before, the energy consumed by the temperature of the heating furnace can be maintained to be smaller, and the heat dissipation of the heating cavity in the middle part can be avoided under the condition of not influencing the normal operation of the proportion by separating through the heat insulation curtain, so that the best heating effect of the glass is ensured;
and step 3: forming, erecting a forming roller set behind a heating furnace, conveying heated glass to the forming roller set, reserving 40ms tempering delay time when the glass enters the forming roller set from the heating furnace for tempering and forming, arranging air blowing assemblies above and below the forming roller set for auxiliary forming, wherein the forming time is 15-25s, the air blowing assemblies are two groups and are respectively positioned at the upper side and the lower side of the forming roller set, the air pressure above the forming roller set is greater than the air pressure below the forming roller set, the air pressure used for different glass thicknesses is different, the air pressure above the forming roller set is 1.5-11Kpa, the air pressure below the forming roller set is 0.1-0.75Kpa, before the glass reaches the forming roller set, firstly adjusting the forming roller set to form an inclination angle meeting the requirement, the two ends of the forming roller set form a height difference by utilizing a lifting device, and each forming roller forms a radian difference with the sinking of the middle part by utilizing the radian of the surface of the roller body, during forming, blowing auxiliary forming is carried out on the upper side and the lower side of the forming roller set, blowing on the upper side accelerates the glass to sink to form a curved surface, blowing on the lower side exerts upward bearing force on the glass, excessive sinking of the glass is avoided, and the surface of the glass is smoother after forming;
and 4, step 4: and (3) cooling, namely conveying the formed glass into a cooling air box by using a conveying roller, cooling for 10-20s, and receiving the glass after cooling is finished, wherein the cooling air pressure is 1.3-1.5 Kpa.
Glass thickness and shaping wind pressure and cooling wind pressure numerical value change table:
| glass thickness (mm) | Upper wind pressure of forming roll set (Kpa) | Lower wind pressure (Kpa) of forming roll set | Cooling wind pressure (Kpa) |
| 3 | 9-11 | 0.6-0.9 | 1.3 |
| 4 | 5.2-6 | 0.35-0.4 | 1.3 |
| 5 | 2.5-3.7 | 0.15-0.25 | 1.4 |
| 6 | 1.5-2.3 | 0.1-0.15 | 1.5 |
As can be seen from the above table, the pressure difference of the cooling wind pressure decreases by the increase of the glass thickness.
The processing equipment for implementing the molding process of the hyperbolic glass comprises a rack, wherein a feeding platform, a heating furnace, a molding assembly and a discharging platform are sequentially arranged on the rack from left to right, the heating furnace comprises an upper heating area and a lower heating area, a conveying roller is arranged between the upper heating area and the lower heating area, the heating furnace is provided with a plurality of heating chambers along the conveying direction, every two adjacent heating chambers are separated by a partition plate, and each heating chamber is provided with an independent heating power supply; the forming assembly comprises a forming roller set, a lifting device for adjusting the forming roller set and a blowing device for assisting forming; the blanking table is provided with a protective cover, and the protective cover is provided with a cooling fan.
Further, the shaping roller set includes the bearing roller set, and the top of bearing roller set is provided with the location roller set, and it has glass to advance the clearance to reserve between bearing roller set and the location roller set, and bearing roller set and location roller set all have a plurality of shaping rollers of placing side by side to constitute, and the shaping roller one end that is located on the bearing roller set is provided with servo motor.
Further, the shaping roller includes the roll body, and the both ends of roll body are provided with the transmission shaft, and the diameter of roll body for arc and roll body extends from both ends to the middle part and reduces gradually, reserves between every two adjacent shaping rollers and adjusts the clearance, and bearing roller set and top set up the positioning roller group, avoid glass to take place the skew when the shaping, lifting means's stability and production yield.
Further, the lifting device comprises a winding motor located above the forming roller set, a winding wheel is arranged at the output end of the winding motor, and a lifting rope is arranged on the winding wheel.
Further, the one end and the rolling wheel winding of lifting rope are connected, and the other end is connected with the shaping roller set, are provided with the connecting rod that is used for connecting the lifting rope on the shaping roller set, and the one side that rolling motor was kept away from to connecting rod and rolling wheel is located same vertical plane, guarantees that the lifting rope carries out the displacement in the vertically plane, can accurate promotion or the height that descends when the lifting rope adjusts to this adjusts the curved surface radian of shaping roller set.
Variation of lift height and radius of the resultant curved surface:
| lifting height (mm) | Radius of the curved surface (mm) |
| 50 | 15000 |
| 100 | 7300 |
| 200 | 3570 |
| 300 | 2350 |
| 400 | 1750 |
| 500 | 1350 |
| 550 | 1200 |
| 600 | 1100 |
| 700 | 920 |
As can be seen from the above table, the lifting device is used to lift and lower one end of the forming roller set longitudinally to change the radius value of the formed curved surface, and the lifting height is changed according to the required radius value.
Furthermore, the air blowing device comprises an air compressor, the output end of the air compressor is connected with a first air blowing pipe group located above the forming roller set and a second air blowing pipe group located below the forming roller set, the first air blowing pipe group and the second air blowing pipe group are both composed of a plurality of air outlet branch pipes, air outlet nozzles are arranged at air outlet ends of the air outlet branch pipes and are in a long strip shape, and the air outlet nozzles are located in adjusting gaps between every two adjacent forming rollers.
Furthermore, the first blowing pipe group and the second blowing pipe group are connected with the output end of an air compressor through connecting pipes, valves for adjusting air pressure are arranged on the output end of the air compressor, the connecting pipes and the air outlet branch pipes, power is provided by the air compressor, pressure is applied to the glass by utilizing air outlet nozzles arranged in gaps of the forming rollers, the valves are arranged on the output end of the air compressor, the connecting pipes and the air outlet branch pipes, the air pressure at the air outlet nozzles can be increased or reduced through the valves, each branch pipe is provided with an independent valve, air pressure adjustment is carried out according to different positions of the air outlet nozzles, partial pressure distribution is that the air pressure of the first blowing pipe group is larger than that of the second blowing pipe group, the situation that the glass to be formed shakes due to overlarge air pressure below is prevented, glass toughening forming is influenced, and the air pressure of the first blowing pipe group and, the curved surface radian at middle part is greater than both sides, and every position wind pressure is different to make glass can make different positions take place different deformation volume in the same time, promotes the shaping efficiency.
The invention has the beneficial effects that: 1. by adopting the processing technology provided by the invention, batch production can be carried out, the production efficiency of glass curved surface processing is improved, a plurality of pieces of glass are simultaneously heated in the same heating furnace, the production continuity is enhanced, meanwhile, the sinking depth of the heated glass can be controlled by utilizing the forming roller set, compared with the existing sinking type forming frame, the radian of the forming roller set can be adjusted by utilizing the lifting device, curved surface glass with different models can be generated, the adjustment is convenient, compared with the sinking type forming frame, different forming dies do not need to be made according to different models, and the investment cost is reduced.
2. Utilize the baffle to cut apart into different heating chambers with the heating furnace, be provided with solitary heating power in every heating chamber department, carry out solitary heating of heating that heats according to the temperature variation of every heating chamber, replace ubiquitous single heating mode, promote energy utilization and rate, every two adjacent heating chambers pass through the baffle and separate, prevent heat exchange between two adjacent chambers.
Drawings
FIG. 1 is a schematic view showing the overall structure of a processing apparatus for carrying out a molding process of doubly curved glass according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the construction of a forming roll according to the present invention;
FIG. 5 is a schematic view of the structure of the air blowing device of the present invention;
FIG. 6 is a schematic view of the structure of the blowing nozzle in the present invention.
Wherein: 1-a frame; 2-a feeding table; 3, heating the furnace; 4-a blanking table; 5-an upper heating zone; 6-lower heating zone; 7-a conveying roller; 8-heating the chamber; 9-a separator; 10-a protective cover; 11-a cooling fan; 12-a set of support rollers; 13-positioning the roller set; 14-a forming roll; 15-a roller body; 16-adjusting the clearance; 17-a winding motor; 18-a winding wheel; 19-a lifting rope; 20-an air compressor; 21-air outlet branch pipe; 22-an air outlet nozzle; 23-connecting a pipe; 24-valve.
Detailed Description
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The molding processing technology of the hyperbolic glass comprises the following steps:
step 1: feeding, namely placing glass to be molded on a feeding frame and utilizing a conveying roller 7 to carry out transmission;
step 2: heating, conveying the glass to be formed to a heating roller by using a conveying roller 7, pushing the glass to be formed into a heating furnace 3 by using the heating roller to perform heating operation before forming, wherein the heating furnace 3 is used for heating the upper side and the lower side, the heating temperature of the upper side is higher than that of the lower side, the heating temperature of the upper side is 705 ℃, the heating temperature of the lower side is 695 ℃, the heating time is 164s, the heating furnace 3 is internally divided into a plurality of heating chambers 8 according to the conveying direction, every two adjacent heating chambers 8 are internally divided by a partition plate 9, each heating chamber 8 adopts an independent heating power supply, the time of each heating chamber 8 of the glass to be formed in the heating furnace is the same, the temperatures of the heating chambers 8 at the two ends of the heating furnace 3 are lower than that of the heating furnace 3 in the middle area of the heating furnace 3, and the independent heating, compared with the single heating power supply used before, the energy consumed by the temperature of the heating furnace 3 can be maintained to be smaller, and the heat dissipation of the heating chamber 8 in the middle part can be avoided under the condition of not influencing the normal operation of the proportion by separating through the heat insulation curtain, so that the best heating effect of the glass is ensured;
and step 3: forming, erecting a forming roller set at the rear of a heating furnace 3, conveying heated glass to the forming roller set, reserving 40ms toughening time delay when the glass enters the forming roller set from the heating furnace 3 for toughening forming, arranging air blowing assemblies above and below the forming roller set for auxiliary forming, wherein the forming time is 18s, the air blowing assemblies are two groups and are respectively positioned at the upper side and the lower side of the forming roller set, the air pressure above the forming roller set is larger than the air pressure below the forming roller set, firstly adjusting the forming roller set to form an inclination angle meeting requirements before the glass reaches the forming roller set, forming height difference at two ends of the forming roller set by using a lifting device, forming radian difference with a sunken middle part by using radian of the surface of a roller body 15 for each forming roller 14, performing air blowing auxiliary forming at the upper side and the lower side of the forming roller set, accelerating the sinking of the glass to form a curved surface by using air blowing at the upper side, and applying upward bearing force to the glass by using air blowing at the lower side, the excessive sinking of the glass is avoided, and the surface of the glass is smoother after molding;
and 4, step 4: and (5) cooling, conveying the formed glass into a cooling air box by using a conveying roller 7, cooling for 20s, and receiving the glass after cooling.
As shown in fig. 1-6, the processing equipment for implementing the molding process of the hyperbolic glass comprises a rack 1, wherein the rack 1 is sequentially provided with a feeding table 2, a heating furnace 3, a molding assembly and a discharging table 4 from left to right, the heating furnace 3 comprises an upper heating area 5 and a lower heating area 6, a conveying roller 7 is arranged between the upper heating area 5 and the lower heating area 6, the heating furnace 3 is provided with a plurality of heating chambers 8 along the conveying direction, every two adjacent heating chambers 8 are separated by a partition plate 9, and each heating chamber 8 is provided with an independent heating power supply; the forming assembly comprises a forming roller set, a lifting device for adjusting the forming roller set and a blowing device for assisting forming; a protective cover 10 is arranged at the blanking table 4, and a cooling fan 11 is arranged at the protective cover 10;
the forming roller group comprises a bearing roller group 12, a positioning roller group 13 is arranged above the bearing roller group 12, a glass advancing gap is reserved between the bearing roller group 12 and the positioning roller group 13, the bearing roller group 12 and the positioning roller group 13 are both composed of a plurality of forming rollers which are arranged side by side, and a servo motor is arranged at one end of a forming roller 14 on the bearing roller group 12;
the forming rollers 14 comprise roller bodies 15, transmission shafts are arranged at two ends of each roller body 15, the surface of each roller body 15 is arc-shaped, the diameter of each roller body 15 is gradually reduced from two ends to the middle part in an extending mode, an adjusting gap 16 is reserved between every two adjacent forming rollers 14, and the positioning roller group 13 is arranged above the bearing roller group 12 and the bearing roller group, so that glass is prevented from being deviated during forming, and the stability and the production yield of equipment are improved;
the lifting device comprises a winding motor 17 positioned above the forming roller set, a winding wheel 18 is arranged at the output end of the winding motor 17, and a lifting rope 19 is arranged on the winding wheel 18;
one end and the winding wheel 18 winding of lifting rope 19 are connected, and the other end is connected with the shaping roller set, is provided with the connecting rod that is used for connecting lifting rope 19 on the shaping roller set, and the one side of the rolling motor 17 that connecting rod and winding wheel 18 kept away from is located same vertical plane, guarantees that lifting rope 19 carries out the displacement in the vertically plane, can accurately promote or the height that descends when lifting rope 19 adjusts to this curved surface radian who adjusts the shaping roller set.
The air blowing device comprises an air compressor 20, the output end of the air compressor 20 is connected with a first air blowing pipe group positioned above the forming roller set and a second air blowing pipe group positioned below the forming roller set, the first air blowing pipe group and the second air blowing pipe group are both composed of a plurality of air outlet branch pipes 21, air outlet nozzles 22 are arranged at the air outlet ends of the air outlet branch pipes 21, the air outlet nozzles 22 are in a strip shape, and the air outlet nozzles 22 are positioned in the adjusting gaps 16 between the two adjacent forming rollers 14;
the first blowing pipe group and the second blowing pipe group are connected with the output end of an air compressor 20 through a connecting pipeline 23, valves 24 for adjusting air pressure are arranged on the output end of the air compressor 20, the connecting pipeline 23 and an air outlet branch pipeline 21, power is provided by the air compressor 20, pressure is applied to glass by using air outlets 22 arranged in gaps of forming rollers 14, the valves 24 are arranged on the output end of the air compressor 20, the connecting pipeline 23 and air outlet branch pipelines, the air pressure at the air outlets 22 can be increased or reduced through the valves 24, each branch pipeline is provided with an independent valve 24, air pressure adjustment is carried out according to different positions of the air outlets 22, partial pressure distribution is that the air pressure of the first blowing pipe group is larger than that of the second blowing pipe group, the situation that the glass to be formed shakes due to overlarge air pressure below to influence glass tempering forming is prevented, and the air pressure of the first blowing pipe group and the second blowing pipe group sequentially decreases from the middle part to two ends, the curved surface radian at middle part is greater than both sides, and every position wind pressure is different to make glass can make different positions take place different deformation volume in the same time, promotes the shaping efficiency.
During production, glass to be molded is placed on the feeding table 2, the glass to be molded is conveyed into the heating furnace 3 along the conveying direction of the feeding table 2, the heating furnace 3 is internally divided into 6 heating chambers 8, every two adjacent heating chambers 8 are spaced by a partition plate 9, heat exchange between every two adjacent heating chambers 8 is avoided, each heating chamber 8 is provided with an independent heating power supply, the heat relieving chambers at two ends of the heating furnace 3 can frequently exchange temperature with the outside due to the fact that the glass enters and exits, the temperature is lower than the temperature of the middle area of the heating furnace 3, an independent heating device can be used for heating according to the temperature change in each heating chamber 8, the electric energy is saved, the temperature in each heating chamber 8 is conveniently controlled, the heating temperature of the glass to be molded in each heating chamber 8 is guaranteed to be consistent, the heating furnace 3 is divided into an upper heating area 5 and a lower heating area 6, the heating temperature of the upper heating zone 5 is 705 ℃, the heating temperature of the lower heating zone 6 is 695 ℃, the heating time is 164s, the retention time of the glass to be formed in each heating chamber 8 is the same, the heated glass is conveyed to the forming roller set after being heated, the heated glass is retained between the bearing roller set 12 and the positioning roller set 13, the two-way heated glass of the blowing pipe set I and the blowing pipe set I is opened for auxiliary forming of blowing operation, an air compressor 20 is utilized for pressurization, the temperature of the blown air flow is normal temperature, the air pressure of the blowing assembly I is larger than that of the blowing assembly II, the situation that the glass floats up and shakes under the action of the air pressure during blowing is avoided, meanwhile, the positioning roller set 13 plays a limiting role, the glass is prevented from being displaced during the blowing operation, the toughening forming time is 18s, the formed glass elements are transferred to the blanking table 4 by a servo motor on the forming roller 14 after toughening forming, 4 upper portions of unloading platform are provided with protection casing 10, go upward at protection casing 10 lateral wall and install cooling blower 11, march the in-process at glass and carry out the cooling of blowing, cooling time is about 20s, utilize this kind of mode, can place 6 pieces of glass simultaneously and heat simultaneously in heating furnace 3, promote heating efficiency, strengthen the continuity of production, promote the productivity, can be more accurate carry out temperature control in 6 solitary heating chamber 8, practice thrift the required resource of heating and do not reduce manufacturing cost's input.
Example 2
The same parts as those in embodiment 1 will not be described again, except that: when the single-curved-surface production device is used for producing a single curved surface, the lifting height of the forming roller set is 0, the forming roller set is placed in parallel with a horizontal plane, air is normally blown above the forming roller set to assist in forming, air blowing is stopped below the forming roller set, and forming time is unchanged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A molding processing technology of hyperbolic glass is characterized in that: the method comprises the following steps:
step 1: feeding, namely placing glass to be molded on a feeding frame and utilizing a conveying roller to carry out transmission;
step 2: heating, wherein the glass to be formed is conveyed to a heating roller by using a conveying roller, the glass to be formed is pushed to a heating furnace by using the heating roller to carry out heating operation before forming, the heating temperature is 650-750 ℃, and the heating time is 150-200 s;
and step 3: forming, namely erecting a forming roller set at the rear part of the heating furnace, conveying the glass to be heated to the forming roller set, and arranging blowing assemblies above and below the forming roller set for auxiliary forming for 15-25 s;
and 4, step 4: and (5) cooling, namely conveying the formed glass into a cooling air box by using a conveying roller, cooling for 10-20s, and receiving the glass after cooling.
2. The molding process for hyperbolic glass according to claim 1, characterized in that: the heating furnace in the step 2 is used for heating the upper side and the lower side, the heating temperature of the upper side is higher than that of the lower side, the heating furnace is divided into a plurality of heating chambers according to the conveying direction, every two adjacent heating chambers are divided by a partition plate, and each heating chamber adopts an independent heating power supply.
3. The molding process for hyperbolic glass according to claim 1, characterized in that: the air blowing assemblies are two groups and are respectively positioned on the upper side and the lower side of the forming roller set, and the air pressure above the forming roller set is greater than that below the forming roller set.
4. A processing apparatus for carrying out the process for forming hyperbolic glass as defined in any one of claims 1-3, wherein: the automatic feeding device comprises a rack, wherein a feeding platform, a heating furnace, a forming assembly and a discharging platform are sequentially arranged on the rack from left to right, the heating furnace comprises an upper heating area and a lower heating area, a conveying roller is arranged between the upper heating area and the lower heating area, the heating furnace is provided with a plurality of heating chambers along the conveying direction, every two adjacent heating chambers are separated by a partition plate, and each heating chamber is provided with an independent heating power supply; the forming assembly comprises a forming roller set, a lifting device for adjusting the forming roller set and a blowing device for auxiliary forming; the blanking table is provided with a protective cover, and the protective cover is provided with a cooling fan.
5. The processing equipment of the molding process of hyperbolic glass according to claim 4, wherein: the shaping roller set includes the bearing roller set, the top of bearing roller set is provided with the location roller set, it has glass clearance of marcing to reserve between bearing roller set and the location roller set, bearing roller set and location roller set all have a plurality of shaping rollers of placing side by side to constitute, and the one end of the last shaping roller of bearing roller set is provided with servo motor.
6. The processing equipment of the molding process of hyperbolic glass according to claim 5, characterized in that: the forming rollers comprise roller bodies, transmission shafts are arranged at two ends of each roller body, the surfaces of the roller bodies are arc-shaped, the diameters of the roller bodies extend from two ends to the middle part to be gradually reduced, and an adjusting gap is reserved between every two adjacent forming rollers.
7. The processing equipment of the molding process of hyperbolic glass according to claim 4, wherein: the lifting device comprises a winding motor located above the forming roller set, a winding wheel is arranged at the output end of the winding motor, and a lifting rope is arranged on the winding wheel.
8. The processing equipment of the molding process of hyperbolic glass according to claim 7, characterized in that: one end of the lifting rope is connected with the winding wheel in a winding mode, the other end of the lifting rope is connected with the forming roller set, a connecting rod used for connecting the lifting rope is arranged on the forming roller set, and one side, away from the winding motor, of the connecting rod and the winding wheel is located in the same vertical plane.
9. The processing equipment of the molding process of hyperbolic glass according to claim 4, wherein: the air blowing device comprises an air compressor, the output end of the air compressor is connected with a first air blowing pipe group located above the forming roller set and a second air blowing pipe group located below the forming roller set, the first air blowing pipe group and the second air blowing pipe group are both composed of a plurality of air outlet branch pipes, air outlet nozzles are arranged at air outlet ends of the air outlet branch pipes and are in a long strip shape, and the air outlet nozzles are located in adjusting gaps between every two adjacent forming rollers.
10. The processing equipment of the molding process of hyperbolic glass of claim 9, wherein: the air blowing pipe set I and the air outlet pipe set II are connected with the output end of the air compressor through connecting pipes, and valves used for adjusting air pressure are arranged on the output end of the air compressor, the connecting pipes and the air outlet branch pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548041.4A CN113277717B (en) | 2021-05-19 | 2021-05-19 | Forming process and processing equipment for hyperbolic glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110548041.4A CN113277717B (en) | 2021-05-19 | 2021-05-19 | Forming process and processing equipment for hyperbolic glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113277717A true CN113277717A (en) | 2021-08-20 |
| CN113277717B CN113277717B (en) | 2022-09-09 |
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| CN1313840A (en) * | 1999-06-17 | 2001-09-19 | 旭硝子株式会社 | Device and method for air-cooled reinforcing of glass sheet |
| US20050000247A1 (en) * | 2002-06-17 | 2005-01-06 | Hideo Yoshizawa | Apparatus and method for producing a bent glass sheet |
| CN102408187A (en) * | 2010-09-20 | 2012-04-11 | 洛阳北方玻璃技术股份有限公司 | Roller bed type bending and toughening method for glass with super-large arc length |
| CN109354389A (en) * | 2018-08-24 | 2019-02-19 | 合肥中科衡金工业自动化有限公司 | A kind of spherical glass processing technology |
| CN109354395A (en) * | 2018-08-24 | 2019-02-19 | 合肥中科衡金工业自动化有限公司 | A kind of minor radius tempered glass production technology |
| CN109748486A (en) * | 2019-02-01 | 2019-05-14 | 洛阳兰迪玻璃机器股份有限公司 | A kind of curved tempered glass molding equipment and forming method |
| CN110128000A (en) * | 2019-05-14 | 2019-08-16 | 合肥中科衡金工业自动化有限公司 | A kind of curved strengthened glass production technology |
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- 2021-05-19 CN CN202110548041.4A patent/CN113277717B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1313840A (en) * | 1999-06-17 | 2001-09-19 | 旭硝子株式会社 | Device and method for air-cooled reinforcing of glass sheet |
| US20050000247A1 (en) * | 2002-06-17 | 2005-01-06 | Hideo Yoshizawa | Apparatus and method for producing a bent glass sheet |
| CN102408187A (en) * | 2010-09-20 | 2012-04-11 | 洛阳北方玻璃技术股份有限公司 | Roller bed type bending and toughening method for glass with super-large arc length |
| CN109354389A (en) * | 2018-08-24 | 2019-02-19 | 合肥中科衡金工业自动化有限公司 | A kind of spherical glass processing technology |
| CN109354395A (en) * | 2018-08-24 | 2019-02-19 | 合肥中科衡金工业自动化有限公司 | A kind of minor radius tempered glass production technology |
| CN109748486A (en) * | 2019-02-01 | 2019-05-14 | 洛阳兰迪玻璃机器股份有限公司 | A kind of curved tempered glass molding equipment and forming method |
| CN110128000A (en) * | 2019-05-14 | 2019-08-16 | 合肥中科衡金工业自动化有限公司 | A kind of curved strengthened glass production technology |
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| CN113277717B (en) | 2022-09-09 |
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