WO2018214945A1 - 曲面玻璃热成型设备及其方法 - Google Patents
曲面玻璃热成型设备及其方法 Download PDFInfo
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- WO2018214945A1 WO2018214945A1 PCT/CN2018/088255 CN2018088255W WO2018214945A1 WO 2018214945 A1 WO2018214945 A1 WO 2018214945A1 CN 2018088255 W CN2018088255 W CN 2018088255W WO 2018214945 A1 WO2018214945 A1 WO 2018214945A1
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- WIPO (PCT)
- Prior art keywords
- glass
- section
- heating
- curved
- mold
- Prior art date
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- 239000011521 glass Substances 0.000 title claims abstract description 236
- 238000003856 thermoforming Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 152
- 238000001816 cooling Methods 0.000 claims abstract description 52
- 238000000465 moulding Methods 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 6
- 238000005485 electric heating Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007507 annealing of glass Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- 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
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0305—Press-bending accelerated by applying mechanical forces, e.g. inertia, weights or local forces
-
- 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
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0302—Re-forming glass sheets by bending by press-bending between shaping moulds between opposing full-face shaping moulds
-
- 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
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
- C03B23/0307—Press-bending involving applying local or additional heating, cooling or insulating means
Definitions
- the present disclosure relates to a glass processing apparatus, and in particular to a curved glass thermoforming apparatus and a curved glass thermoforming method.
- the problem addressed by the present disclosure is to provide a curved glass thermoforming apparatus that improves the heating efficiency of glass and a curved glass thermoforming method using the curved glass thermoforming apparatus.
- a curved glass thermoforming apparatus including a furnace body having a feed port and a discharge port, the furnace body including a heating section and a molding section is provided And a cooling section, and the furnace body is provided with a rotating disc that is rotatable and is used for sequentially circulating the glass to the heating section, the forming section and the cooling section, and the rotating disc is provided with a glass for carrying glass
- the plurality of master molds are press-fitted to the glass in cooperation with the male mold in the forming section, and the heating section is provided with heating capable of locally heating the desired curved surface forming portion of the glass in cooperation with the master mold. structure.
- the heating structure has a heating block for heating the glass, the heating block having a concave surface and a protruding surface corresponding to the heating surface of the glass, the protruding surface and the desired curved surface of the glass The surface is arranged correspondingly.
- the portion of the furnace body corresponding to the rotating disk is formed into an annular body or a cylinder, and a plurality of stations are formed in a circumferential direction of the furnace body, the heating section, the forming section and The cooling sections are respectively arranged on the station.
- the heating section is disposed on a first station of the furnace body, and the heating section is provided with a filming machine for inputting glass, and the furnace body
- the cooling section is disposed on the last station and the film taking machine is disposed on the cooling section, and the forming section is disposed on at least two stations between the first station and the last station.
- the forming section includes a male mold clamping section and a curved molding section, and the male clamping section is provided with a male mold for heating the glass after being matched with the heating structure.
- the master mold is clamped, and the curved forming section is provided with pressurizing means for applying pressure to the clamped male mold to form a curved surface of the glass.
- the male mold in the forming section is clamped with the female mold together with the female mold to rotate to the station before the cooling section.
- the forming section further includes a male mold section section between the curved forming section and the cooling section for splitting the male mold and the female mold.
- the male mold segment portion and the male mold clamping portion share a common mold.
- the curved forming section is disposed on at least two stations of the furnace body, and the curved forming sections are sequentially arranged in the conveying sequence.
- a heating device for heating the master and the male mold is disposed in the furnace body.
- the heating device comprises a master heating device disposed on a surface of the master mold facing the glass, and a male mold heating device disposed on a surface of the male mold facing the glass, the heating device being provided with A controller that controls the heating temperature of the master heating device and the male heating device.
- the cooling section is provided with a cleaning device for cleaning and dusting the male mold.
- the furnace body further includes a feed section having the feed port and a discharge section having the discharge port, and the feed section and the location are located in the transfer order of the rotary disk
- the heating section of the first station is in communication
- the discharge section is in communication with the cooling section located at the last station.
- the furnace body is provided with a gas supply device for charging nitrogen gas, so that the furnace body is filled with nitrogen gas of a preset pressure during the curved surface molding process of the glass.
- a plurality of one-way doors for preventing entry of outside air are respectively disposed on the feeding port and the discharging port.
- the furnace body is formed with five or more odd-numbered stations in a circumferential direction corresponding to a portion of the rotating disk, and the rotating disk transmits the glass in steps of one station at a time.
- the rotating disk requires two cycles for completing the curved surface forming of the glass.
- thermoforming method for forming a glass by a curved glass thermoforming apparatus as described above.
- the glass is preheated to between 300 ° C and 400 ° C before the heating structure heats the glass.
- the desired curved surface forming portion of the glass is heated to 700 ° C to 800 ° C. .
- the glass is cooled to 300 ° C to 400 ° C in the temperature decreasing section.
- the glass is conveyed by rotating the disk so that the glass sequentially passes through the heating section, the molding section and the cooling section disposed in the furnace body, wherein the glass is located in the heating section, and the heating structure is
- the desired curved portion of the glass is locally heated to a preset temperature so that the desired curved portion of the glass is rapidly heated to the glass softening point, and the glass is transferred to the forming section to form a curved surface of the desired curved portion of the glass.
- the temperature is lowered by the cooling section to cool the tempered glass while removing the local stress concentration of the glass, thereby completing the surface molding of the glass.
- the heating efficiency for the glass is improved, and the surface molding work efficiency for the glass can be further improved.
- FIG. 1 is a schematic structural view of a curved glass thermoforming apparatus according to an embodiment of the present disclosure
- FIG. 2 is a structural view of a heating structure in a curved glass thermoforming apparatus according to an embodiment of the present disclosure
- FIG. 3 is a view showing a mold clamping state of a male mold and a female mold in a curved glass thermoforming apparatus according to an embodiment of the present disclosure
- FIG. 4 is a partial state diagram of a male mold and a female mold in a curved glass thermoforming apparatus according to an embodiment of the present disclosure.
- a curved glass thermoforming apparatus including a furnace body 1 having a feed port 11 and a discharge port 12, the furnace body 1 including a heating section 13, a forming section and a cooling section 14, and the rotating body of the furnace 2 is rotatably provided for sequentially circulating the glass 2 to the heating section 13, the forming section and the cooling section 14. 3.
- the rotating disk 3 is provided with a plurality of master molds 4 for carrying the glass 2 to be press-fittable with the male mold 5 in the forming section, and the heating section 13 is provided with a capable A heating structure that directly cooperates with the master mold 4 to directly heat the desired curved portion of the glass 2.
- the glass 2 is conveyed by rotating the disk 3 such that the glass 2 sequentially passes through the heating section 13, the forming section and the cooling section 14 disposed in the furnace body 1, wherein the glass 2 is located in the heating section 13,
- the desired curved forming portion of the glass 2 is locally heated to a preset temperature by a heating structure, so that the desired curved forming portion of the glass 2 is rapidly heated to the glass softening point, and the glass 2 is transferred into the forming section to the glass 2
- the desired curved surface forming portion is subjected to curved surface forming, and then cooled by the cooling section 14 to cool the shaped glass 2 while removing the local stress concentration of the glass 2, thereby completing the curved surface forming of the glass 2.
- the heating efficiency for the glass 2 is improved, and the surface forming work efficiency for the glass 2 can be further improved.
- the heating structure has a heating block 6 for heating the glass 2, the heating block 6 having a concave surface 61 and a protruding surface corresponding to the heating surface of the glass 2. 62.
- the protruding surface 62 is arranged corresponding to the surface of the desired curved molding portion of the glass 2.
- the heating block 6 can be electrically heated, high-frequency heating or microwave heating, etc.
- the heating block 6 of the heating structure can be moved in the height direction to a position of 0.2 mm to 1 mm from the glass 2, and then the desired curved molding portion of the glass 2 is subjected to heating.
- the protruding surface 62 of the heating block 6 corresponds to the surface of the desired curved surface forming portion of the glass 2
- the concave surface 61 corresponds to the surface of the remaining portion of the glass 2 separated from the surface of the remaining portion by a predetermined distance.
- the desired curved surface forming portion of the glass 2 is heated above the glass softening point, and the temperature of the remaining portion of the glass 2 is below the glass softening point, thereby effectively deforming the curved surface of the desired curved surface portion of the glass 2, and is effective
- the thermal deformation of the rest of the glass 2 is avoided, minimizing molding defects.
- the glass 2 may be preheated to 300 ° C to 400 ° C to improve the heating efficiency of the glass 2 .
- the desired curved surface forming portion of the glass 2 is directly heated by the heating block 6 as described above, whereby accurate control of the temperature of the glass 2 can be ensured, heating time can be shortened, thereby effectively improving the heating efficiency of the glass 2, and also having Energy saving effect.
- the heating structure may adopt other reasonable structures as long as the function of heating the desired curved portion of the glass 2 can be realized, for example, the heating block 6 of the heating structure corresponds to The heated surface of the glass 2 can be formed as a flat surface.
- the portion of the furnace body 1 corresponding to the rotating disk 3 is formed into an annular body or a cylinder, and a plurality of stations are formed in the circumferential direction of the furnace body 1, the heating section 13, the The forming section and the cooling section 14 are respectively arranged on the station.
- the furnace body 1 has the functions of heat insulation, installation of heating devices, driving mechanisms and the like.
- the glass 2 disposed on each of the master molds 4 is rotated by the rotating disk 3 to be sequentially transferred to the heating section 13, the forming section and the cooling section 14 for heating, molding, and cooling setting processes, and finally continuously cycled.
- the curved surface forming process of the glass 2 enables continuous production and has the effects of high production efficiency and energy saving.
- the heating section 13 is disposed on the first station of the furnace body 1, and the filming machine 7 for inputting the glass 2 is disposed on the heating section 13.
- the cooling station 14 is disposed on the last station of the furnace body 1 and the stripping machine 8 is disposed on the cooling section 14, at least two between the first station and the last station
- the forming section is arranged on the station.
- the glass 2 is put into the master mold 4 on the heating section 13 by the filming machine 7, and the glass 2 is sequentially transferred to the forming section and the cooling section 14 by the rotating disk 3, respectively, after the surface forming and cooling shaping,
- the take-up machine 8 takes out the glass 2 from the temperature-lowering section 14, whereby the glass 2 can be subjected to a rapid and continuous curved surface forming operation.
- the molding section is disposed at at least two stations between the first station and the last station, the glass 2 can be curved and formed stably and reliably, and the surface molding quality is improved.
- the forming section includes a male mold clamping section and a curved molding section, and the male mold clamping section is provided with a male mold 5 for passage and heating
- the master mold 4 heated by the glass 2 is clamped by structurally matching, and the curved forming section is provided with pressurizing means for applying pressure to the mold 5 after the mold clamping to perform surface forming of the glass 2.
- the female mold 4 is formed with a receiving groove for accommodating the glass 2, and the both sides of the receiving groove are formed with a back side.
- a curved portion 41 in which the direction of the glass 2 is curved is formed, and a portion of the male mold 5 corresponding to the curved portion 41 is formed with a pressing portion 51 having a shape corresponding to the curved portion 41.
- both side edges of the glass 2 are pressed by the engagement of the pressing portion 51 of the male mold 5 and the curved portion 41 of the master mold 4, so that both side edges of the glass 2 are deformed to form a curved surface.
- the present disclosure is not limited thereto, and the structures of the master mold 4 and the male mold 5 are rationally designed in accordance with the actual desired curved surface forming portion of the glass 2.
- the master mold 4 and the male mold 5 can employ a graphite mold, thereby having the advantages of good high temperature resistance, small expansion deformation, and stable performance.
- the furnace body 1 may be filled with nitrogen gas to prevent the graphite mold from being oxidized, thereby improving the service life.
- the master mold 4 and the male mold 5 may be formed by a mold such as stainless steel.
- the male mold 5 in the forming section can be rotated with the female mold 4 to the station before the cooling section 14 together with the female mold 4.
- a control device for controlling the pressure applied to the glass 2 may be provided in the molding section to enable precise control of the curved surface forming of the glass 2.
- the male mold 5 is always clamped to the mother mold 4 during the surface forming process of the glass 2, and is moved together with the mother mold 4 to before the temperature lowering portion 14, so that the curved surface of the glass 2 can be more stably realized. It is avoided that the glass 2 is thermally deformed except for the portion of the curved surface to be formed.
- the forming section further includes a male mold section section between the curved forming section and the cooling section 14 and used to mold the male mold 5 and the female mold 4. .
- the rotating disk 3 drives the glass 2 on the female mold 4 to rotate to the cooling section 14 for cooling and setting.
- the glass 2 can be cooled by using natural cooling or forced cooling.
- the cooling of the glass 2 can be achieved by blowing the convection fan into the cooling section 14.
- the male mold segment portion and the male mold clamping portion share a common mold 5. That is, after the male mold 5 and the female mold 4 in the male mold split section are divided, the male mold 5 can be moved into the male mold clamping section by a driving mechanism such as a rotating mechanism, and transferred to the male mold. The master 4 of the mold clamping section is clamped. Thereby, resources can be effectively utilized, and the manufacturing cost of the curved glass thermoforming apparatus can be reduced.
- the present disclosure is not limited thereto, and the number of the male molds 5 and the position within the furnace body 1 can be reasonably arranged according to actual needs.
- the curved forming section is disposed on at least two stations of the furnace body 1, and the curved forming sections are sequentially arranged in the conveying sequence.
- the at least two Each curved forming section on each station is adjacently arranged; when the conveying sequence is rotated in the circumferential direction of the furnace body 1 by two working stations in the circumferential direction of the furnace body 1, the adjacent ones are adjacent to each other
- Each curved forming section of at least two stations is arranged at a position of one station, so that when the rotating disc 3 is rotated from the curved forming section of a certain station, it can be moved to another station.
- the curved surface is formed on the section. Thereby, the surface forming quality of the glass 2 is further improved by arranging at least two curved forming sections to improve the processing efficiency.
- the furnace body 1 is provided with a heating device 9 for heating the master mold 4 and the male mold 5.
- the heating temperature of the master mold 4 and the male mold 5 is controlled by the heating device 9 to satisfy the temperature range required for the glass 2 at each station.
- the heating device 9 may include a master mold heating device 91 disposed on a surface of the master mold 4 facing away from the glass 2, and disposed on the male mold 5 against A male mold heating device 92 on the surface of the glass 2 is provided with a controller for controlling the heating temperature of the master heating device 91 and the male mold heating device 92.
- the master mold heating device 91 and the male mold heater 92 may be electrically heated by the electric heating rod 93, and the master mold 4 and the male mold 5 are respectively heated by the master mold heating device 91 and the male mold heater 92.
- heat is transferred indirectly to the glass 2 through the master mold 4 and/or the male mold 5 to achieve precise control of the temperature of the glass 2.
- the present disclosure is not limited thereto, and the temperature of the glass 2 may be controlled by other means, for example, by controlling the temperature of the gas in the furnace body 1.
- the cooling section 14 is provided with a cleaning device for cleaning and removing the mother mold 4 on the rotating disk 3.
- the glass 2 in the temperature decreasing section 14, the glass 2 can be cooled to 300 ° C to 400 ° C.
- the master mold 4 on the rotating disk 3 cleaned by the cleaning device in the cooling section 14 is turned to the next station, that is, the first station, thereby performing the next curved surface forming process cycle again.
- the furnace body 1 further comprises a feed section 15 having the feed opening 11 and a discharge section 16 having the discharge opening 12, in the order of transport of the rotating disk 3,
- the feed section 15 is in communication with the heating section 13 at the first station
- the discharge section 16 is in communication with the cooling section 14 at the last station.
- the furnace body 1 is provided with a gas supply device for charging nitrogen gas, so that the furnace body 1 is filled with nitrogen gas of a preset pressure during the curved surface molding process of the glass. Thereby, the entire curved surface forming process of the glass 2 is performed under a nitrogen atmosphere, so that the phenomenon that the mother mold 4 and the male mold 5 are oxidized can be effectively prevented, thereby significantly increasing the service life of the mold.
- the feed port 11 and the discharge port 12 are respectively provided with a multi-layer one-way door for preventing entry of outside air.
- the nitrogen pressure in the furnace body 1 is greater than the air pressure outside the furnace body 1, thereby effectively preventing the external gas from being sent to the furnace during the process of feeding the glass 2 to the feed section 15 or removing the glass 2 from the discharge section 16. The inflow of body 1.
- the furnace body 1 is formed with five or more odd-numbered stations in a circumferential direction corresponding to a portion of the rotating disk 3, and the rotating disk 3 is stepped by one station at a time.
- the glass 2 is conveyed, and the rotating disk 3 has two transfer cycles required to complete the curved surface forming of the glass 2.
- the furnace body 1 is formed with eleven stations in the circumferential direction corresponding to the portion of the rotating disk 3.
- the structure of the curved glass thermoforming apparatus of the present embodiment is counterclockwise in the circumferential direction.
- the direction is named from the first station to the eleventh station in turn, and since the rotating disk 3 transmits the glass 2 in steps of one step at a time, the order of transmission of the rotating disk 3 is in turn
- the first station is the first station
- the tenth station is the last station.
- the heating section 13 may include a preheating section and a heating section, the preheating section may be disposed at a first station as a first station and provided with a filming machine 7 as described above, The heating section is disposed at the third station and is provided with a heating structure as described above.
- the male mold clamping section of the forming section is arranged at a fifth station, and the curved forming section of the forming section can be respectively arranged at the seventh station, the ninth station, the eleventh station, The second station and the fourth station, and the male mold 5 is always held in a state of being clamped with the master mold 4 at the plurality of stations arranged with the curved forming section, in this state, the driving cylinder can be driven
- the structure applies pressure to the male mold 5, whereby the desired curved surface forming portion of the glass 2 can be more sufficiently pressed to reliably achieve bending deformation, and the male mold 5 is always kept with the female mold 4 in the process.
- the state of the mold is closed to avoid thermal deformation of the rest of the glass 2.
- the male mold splitting section of the forming section is arranged at the sixth station.
- the fifth station and the sixth station can share one male mold 5 to make full use of effective resources and reduce the manufacturing cost of the equipment.
- the male mold 5 at the sixth station is moved from the master mold 4 placed at the sixth station to the fifth station and clamped to the master mold 4 at the fifth station.
- the cooling section 14 may include a cooling section and a discharge section, the cooling section is disposed at the eighth station, and the glass 2 is naturally cooled or forcedly cooled, and the discharge section is disposed at At the tenth station, and the take-up machine 8 as described above is arranged, the glass 2 can be continuously cooled or forcedly cooled on the discharge section.
- the operation of the curved glass thermoforming apparatus structured as described above will be described with reference to FIGS. 1 to 4.
- Feeding the glass 2 from the feed section 15 in communication with the first station, and placing the glass 2 through the filming machine 7 onto the female mold 4 corresponding to the rotating disk 3 on the preheating section of the first station Here, the glass 2 can be preheated to 300 ° C to 400 ° C by heating the master mold 4 by the master mold heating device 91.
- the rotating disc 3 drives the master mold 4 carrying the preheated glass 2 to be transferred to the heating section of the third station.
- the heating block 6 of the heating structure can be moved to the corresponding preloading by the driving mechanism.
- the desired curved surface forming portion of the glass 2 is heated to 700 ° C.
- the temperature of the rest of the glass 2 is lower than the softening point of 50 ° C ⁇ 100 ° C and higher than the glass annealing point, in order to avoid unnecessary thermal deformation of the rest of the glass 2 respectively.
- the heating block 6 is separated from the master mold 4 carrying the heated glass 2, and the rotating disk 3 drives the master mold 4 carrying the heated glass 2 to the male mold clamping section of the fifth station.
- the male mold 5 is moved to a position corresponding to the mother mold 4 carrying the heated glass 2 by a driving mechanism or the like and is clamped with the female mold 4, wherein the male mold 5 is moved by a driving mechanism or the like.
- the male mold 5 can be heated by the male mold heating device 92 during the process.
- the rotating disk 3 drives the clamping die 4 and the male die 5 together to be sequentially transferred to the seventh station, the ninth station, the eleventh station, the second station and the fourth as the curved forming section.
- the male mold 5 is pressed by the pressing device at the above-mentioned station to make the curved molding portion of the glass 2 to be curved, and can also be controlled by the master heating device 91 and the male heating device 92.
- the male mold 5 and the female mold 4 are always kept in the mold clamping state and a predetermined pressure is applied to the curved molding portion of the glass 2 by the pressurizing device, thereby being transferred to the fourth station.
- the curved portion of the glass 2 is substantially shaped.
- the rotating disk 3 drives the master mold 4 and the male mold 5 carrying the curved glass 2 to be transported to the male mold splitting portion of the sixth station.
- the male mold 5 is driven by the driving After the master mold of the six stations is divided into four molds, it is moved to the fifth station and clamped with the master mold 4 at the fifth station. After that, the rotating disk 3 drives the partial die 4 to be transferred to the cooling section of the eighth station, where the glass 2 is cooled to 300 ° C to 400 ° C by natural cooling or forced cooling, thereby completing the glass. 2 cooling stereotypes. Then, the rotating disk 3 drives the master die 4 carrying the cooled and shaped glass 2 to the discharge section of the tenth station. At this time, the glass 2 is taken out from the master die 4 by the film picker 8 and passed. The discharge section 16 communicating with the discharge section is removed from the furnace body 1.
- the heating section 13 since the desired curved molding portion of the glass 2 is locally heated by the heating structure, accurate control of the temperature of the glass 2 can be ensured, and the heating time can be shortened, thereby improving the heating of the glass 2.
- the efficiency can further improve the efficiency of the curved surface forming operation of the glass 2.
- the curved surface forming process of the entire glass 2 is performed under the working environment in which the furnace body 1 is filled with nitrogen gas, so that the mother mold 4 and the male mold 5 can effectively avoid oxidation under repeated temperature changes, thereby improving the mold. The service life, and thus the surface molding quality of the glass 2 is effectively ensured.
- a curved glass thermoforming method for forming a curved surface of a glass 2 using a curved glass thermoforming apparatus as described above.
- the curved glass thermoforming method has the above-described effects brought about by the above-described curved glass thermoforming apparatus.
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Abstract
Description
Claims (20)
- 一种曲面玻璃热成型设备,其特征在于,该曲面玻璃热成型设备包括具有进料口(11)和出料口(12)的炉体(1),所述炉体(1)包括加热段(13)、成型段以及降温段(14),且所述炉体(1)内设置有能够旋转且用于依次向所述加热段(13)、所述成型段和所述降温段(14)循环传送玻璃(2)的转动盘(3),所述转动盘(3)上设置有用于承载玻璃(2)的多个母模(4)以能够与所述成型段中的公模(5)配合而对玻璃(2)压合成型,所述加热段(13)上设置有能够与母模(4)配合而直接对玻璃(2)的所需曲面成型部分进行局部加热的加热结构。
- 根据权利要求1所述的曲面玻璃热成型设备,其特征在于,所述加热结构具有用于对玻璃(2)加热的加热块(6),该加热块(6)对应于所述玻璃(2)的加热表面具有凹入面(61)和突出面(62),所述突出面(62)与玻璃(2)的所需曲面成型部分的表面对应布置。
- 根据权利要求1所述的曲面玻璃热成型设备,其特征在于,所述炉体(1)对应于所述转动盘(3)的部分形成为环形体或圆柱体,且在所述炉体(1)的周向上形成有多个工位,所述加热段(13)、所述成型段和所述降温段(14)分别布置在所述工位上。
- 根据权利要求3所述的曲面玻璃热成型设备,其特征在于,在所述转动盘(3)的传送顺序上,所述炉体(1)的首位工位上布置有所述加热段(13),且该加热段(13)上设置有用于投入玻璃(2)的投片机(7),所述炉体(1)的末位工位上布置有所述降温段(14)且该降温段(14)上设置有取片机(8),所述首位工位和所述末位工位之间的至少两个工位上布置有 所述成型段。
- 根据权利要求4所述的曲面玻璃热成型设备,其特征在于,所述成型段包括公模合模段部和曲面成型段部,所述公模合模段部上设置有公模(5)以用于与通过和所述加热结构配合而对玻璃(2)加热后的母模(4)进行合模,所述曲面成型段部上设置有加压装置以用于向合模后的公模(5)施加压力以对玻璃(2)进行曲面成型。
- 根据权利要求5所述的曲面玻璃热成型设备,其特征在于,所述成型段中的公模(5)与母模(4)合模后能够一同随该母模(4)旋转至所述降温段(14)之前的工位上。
- 根据权利要求6所述的曲面玻璃热成型设备,其特征在于,所述成型段还包括位于所述曲面成型段部和所述降温段(14)之间并用于使公模(5)和母模(4)分模的公模分模段部。
- 根据权利要求7所述的曲面玻璃热成型设备,其特征在于,所述公模分模段部与所述公模合模段部共用一个公模(5)。
- 根据权利要求5所述的曲面玻璃热成型设备,其特征在于,所述曲面成型段部设置在所述炉体(1)的至少两个工位上,且在所述传送顺序上所述曲面成型段部依次布置。
- 根据权利要求1所述的曲面玻璃热成型设备,其特征在于,所述炉体(1)内设置有用于对母模(4)和公模(5)加热的加热装置(9)。
- 根据权利要求10所述的曲面玻璃热成型设备,其特征在于,所述加热装置(9)包括设置在母模(4)背对于玻璃(2)的表面上的母模加热装置(91)、以及设置在公模(5)背对于玻璃(2)的表面上的公模加热装置(92),所述加热装置(9)上设置有用于控制所述母模加热装置(91)和所述公模加热装置(92)的加热温度的控制器。
- 根据权利要求1所述的曲面玻璃热成型设备,其特征在于,所述降温段(14)上设置有用于对所述转动盘(3)上的母模(4)清扫除尘的清扫装置。
- 根据权利要求1所述的曲面玻璃热成型设备,其特征在于,所述炉体(1)还包括具有所述进料口(11)的进料段(15)和具有所述出料口(12)的出料段(16),在所述转动盘(3)的传送顺序上,所述进料段(15)与位于所述首位工位的所述加热段(13)连通,所述出料段(16)与位于所述末位工位的所述降温段(14)连通。
- 根据权利要求13所述的曲面玻璃热成型设备,其特征在于,所述炉体(1)内设置有用于充入氮气的供气装置,以在玻璃(2)的曲面成型过程中使得炉体(1)内填充有预设压力的氮气。
- 根据权利要求13所述的曲面玻璃热成型设备,其特征在于,所述进料口(11)和所述出料口(12)上分别设置有用于防止外部空气进入的多层单向门。
- 根据权利要求3-15中任一项所述的曲面玻璃热成型设备,其特征在于,所述炉体(1)对应于所述转动盘(3)的部分沿周向形成有五个或大 于五的奇数个工位,所述转动盘(3)以每次隔一个工位步进的方式传送玻璃(2),且所述转动盘(3)为完成玻璃(2)的曲面成型所需的传送周期为两圈。
- 一种曲面玻璃热成型方法,其特征在于,所述曲面玻璃热成型方法利用根据权利要求1-16中任一项所述的曲面玻璃热成型设备对玻璃(2)进行曲面成型。
- 根据权利要求17所述的曲面玻璃热成型方法,其特征在于,在所述加热结构对玻璃(2)进行加热之前,先对玻璃(2)进行预热至300℃~400℃。
- 根据权利要求17所述的曲面玻璃热成型方法,其特征在于,在所述加热段(13),所述加热结构的加热块(6)在高度方向上移动至距离玻璃(2)的0.2mm~1mm的位置后,对玻璃(2)的所需曲面成型部分进行加热至700℃~800℃。
- 根据权利要求17-19中任一项所述的曲面玻璃热成型方法,其特征在于,在所述降温段(14)对玻璃(2)降温至300℃~400℃。
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CN107915396B (zh) * | 2017-12-25 | 2023-12-08 | 深圳市创世纪机械有限公司 | 石墨模具加热装置和玻璃热弯机 |
CN109991832A (zh) * | 2017-12-29 | 2019-07-09 | 晶石科技(中国)股份有限公司 | 一种智能手表3d曲面玻璃盖板 |
CN110117153B (zh) * | 2018-02-06 | 2023-07-04 | 深圳市拓野智能股份有限公司 | 一种3d玻璃热弯装置及其方法 |
CN108439774A (zh) * | 2018-05-30 | 2018-08-24 | 福耀玻璃工业集团股份有限公司 | 一种盖板玻璃的弯曲成型装置和弯曲成型方法 |
CN108640488B (zh) * | 2018-07-25 | 2019-11-26 | 温州美富达工艺品有限公司 | 一种反弯式玻璃热弯炉 |
CN114075032A (zh) * | 2020-08-11 | 2022-02-22 | Oppo(重庆)智能科技有限公司 | 热成型方法、热成型设备、玻璃件、壳体和电子设备 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103732548A (zh) * | 2011-05-27 | 2014-04-16 | 康宁股份有限公司 | 玻璃模制系统及相关设备和方法 |
US20140373573A1 (en) * | 2013-06-25 | 2014-12-25 | Samsung Display Co., Ltd. | Apparatus and method for manufacturing 3d glass |
KR20150046843A (ko) * | 2013-10-23 | 2015-05-04 | (주)대호테크 | 곡면부를 갖는 글라스 성형기의 예열장치 |
CN105084722A (zh) * | 2015-08-23 | 2015-11-25 | 洛阳新兆电子有限公司 | 一种手机3d曲面玻璃盖板热成型炉的加工工艺 |
CN105377781A (zh) * | 2013-05-07 | 2016-03-02 | 康宁股份有限公司 | 制备成型玻璃制品的方法和设备 |
CN107010820A (zh) * | 2017-05-25 | 2017-08-04 | 东旭科技集团有限公司 | 曲面玻璃热成型设备及其方法 |
CN207130148U (zh) * | 2017-05-25 | 2018-03-23 | 东旭科技集团有限公司 | 曲面玻璃热成型设备 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3387963A (en) * | 1964-06-25 | 1968-06-11 | Pittsburgh Plate Glass Co | Annealing lehr for glass sheets with reradiating side wall plates |
CH1792472A4 (zh) * | 1971-12-09 | 1975-06-30 | ||
US4057409A (en) * | 1976-02-23 | 1977-11-08 | Kudryavtsev Alexandr Alexandro | Apparatus for making cathode-ray tube screens with integrally formed contoured fixtures |
US4609391A (en) * | 1984-11-23 | 1986-09-02 | Glasstech, Inc. | Method for forming glass sheets |
BE1001883A5 (nl) * | 1987-11-06 | 1990-04-03 | Nippon Sheet Glass Co Ltd | Werkwijze voor het maken van een glazen voorwerp met glad oppervlak. |
JP2565974B2 (ja) | 1988-03-24 | 1996-12-18 | 日本板硝子株式会社 | ガラス製品の成形方法 |
CA1333220C (fr) * | 1989-09-28 | 1994-11-29 | Piezo Ceram Electronique | Four annulaire a sole tournante pour conformer a un profil voulu l'une des faces d'ebauches de lentilles optiques par affaissement thermique et application de vide |
DE4115235C1 (zh) * | 1991-05-10 | 1992-12-24 | Vegla Vereinigte Glaswerke Gmbh, 5100 Aachen, De | |
US5908483A (en) * | 1996-10-30 | 1999-06-01 | Lynch Machinery, Inc. | Apparatus and process for molding of glass |
KR100839731B1 (ko) * | 2005-01-19 | 2008-06-19 | 호야 가부시키가이샤 | 몰드 프레스 성형 몰드 및 광학소자의 제조방법 |
US20100281919A1 (en) * | 2009-05-06 | 2010-11-11 | Solfocus, Inc. | Device and Method for Shaping Optical Components |
US8573005B2 (en) * | 2011-02-24 | 2013-11-05 | Corning Incorporated | Apparatus and method for mass producing 3D articles from 2D glass-containing sheets |
US8816252B2 (en) | 2011-11-22 | 2014-08-26 | Corning Incorporated | Methods and apparatus for localized heating and deformation of glass sheets |
US8924006B2 (en) * | 2011-11-30 | 2014-12-30 | Corning Incorporated | Device and methods for picking and placing hot 3D glass |
WO2014051014A1 (ja) * | 2012-09-28 | 2014-04-03 | 東芝機械株式会社 | 成形装置及び成形方法 |
JP2014139121A (ja) | 2012-11-07 | 2014-07-31 | Nippon Electric Glass Co Ltd | ディスプレイ用カバーガラスの製造方法及びディスプレイ用カバーガラスの製造装置 |
WO2014130331A1 (en) * | 2013-02-20 | 2014-08-28 | Corning Incorporated | Method and apparatus for forming shaped glass articles |
KR101735473B1 (ko) * | 2014-10-30 | 2017-05-16 | 삼성전자주식회사 | 글라스 성형장치 및 성형방법 |
KR20170131128A (ko) * | 2016-05-20 | 2017-11-29 | 임홍주 | 3d 유리 성형장치 및 방법 |
CN205874202U (zh) * | 2016-07-27 | 2017-01-11 | 深圳市宇泰隆科技有限公司 | 一种3d玻璃的加工装置 |
CN106517762A (zh) * | 2016-10-08 | 2017-03-22 | 深圳市普盛旺科技有限公司 | 电子设备玻璃热弯成型炉及其自动上下料装置 |
-
2017
- 2017-05-25 CN CN201710380364.0A patent/CN107010820B/zh active Active
-
2018
- 2018-05-24 WO PCT/CN2018/088255 patent/WO2018214945A1/zh active Application Filing
- 2018-05-24 US US16/611,716 patent/US11639306B2/en active Active
- 2018-05-24 JP JP2019560703A patent/JP6928113B2/ja active Active
- 2018-05-24 KR KR1020197037501A patent/KR102283632B1/ko active IP Right Grant
- 2018-05-24 EP EP18806679.9A patent/EP3632858A4/en active Pending
- 2018-05-25 TW TW107118052A patent/TWI725312B/zh active
-
2019
- 2019-11-06 ZA ZA2019/07379A patent/ZA201907379B/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103732548A (zh) * | 2011-05-27 | 2014-04-16 | 康宁股份有限公司 | 玻璃模制系统及相关设备和方法 |
CN105377781A (zh) * | 2013-05-07 | 2016-03-02 | 康宁股份有限公司 | 制备成型玻璃制品的方法和设备 |
US20140373573A1 (en) * | 2013-06-25 | 2014-12-25 | Samsung Display Co., Ltd. | Apparatus and method for manufacturing 3d glass |
KR20150046843A (ko) * | 2013-10-23 | 2015-05-04 | (주)대호테크 | 곡면부를 갖는 글라스 성형기의 예열장치 |
CN105084722A (zh) * | 2015-08-23 | 2015-11-25 | 洛阳新兆电子有限公司 | 一种手机3d曲面玻璃盖板热成型炉的加工工艺 |
CN107010820A (zh) * | 2017-05-25 | 2017-08-04 | 东旭科技集团有限公司 | 曲面玻璃热成型设备及其方法 |
CN207130148U (zh) * | 2017-05-25 | 2018-03-23 | 东旭科技集团有限公司 | 曲面玻璃热成型设备 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3632858A4 * |
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