CN106746533A - A pressurization system for mobile terminal curved glass forming - Google Patents

Abstract

The invention discloses a pressurizing system for forming curved glass of a mobile terminal, which comprises a plurality of profiling devices; each profiling device comprises an air cylinder, an upper cooling plate, an upper heating plate, a lower heating plate and a lower cooling plate; the profiling devices are used in curved glass forming equipment of the mobile terminal, the plurality of profiling devices are configured by the same parts, one of the profiling devices is used for carrying out hot press forming on a single plane glass blank according to different processed products, and the rest profiling devices are respectively used as a preheating device and/or a cooling device. According to the invention, the 3D curved surface forming die is heated to a preset temperature by the preheating device, and the single-sheet plane glass blank is processed and formed into a 3D curved surface glass product by the profiling device and then cooled by the cooling device, so that the production efficiency of the product is improved.

Description

A pressurization system for mobile terminal curved glass forming

technical field

The invention relates to the technical field of a mobile terminal 3D curved glass screen, a back cover, a protective screen and processing equipment, in particular to a pressurization system for forming a mobile terminal curved glass.

Background technique

With the development of mobile terminals (smartphones, tablet computers, etc.), in addition to Samsung and LG launching smartphones with curved screens, smartphones like Apple’s use more non-flat glass with rounded edges, that is, glass The middle area is plane and the edges are transitioned by curved surfaces. The above-mentioned non-planar glasses all belong to the related and used category of the smart phone 3D curved glass of the present invention.

The existing technology is used to process curved glass products. The preheating upper heating plate that constitutes the preheating mechanism is preheated without contacting the mold, so that the heat conduction efficiency is very low, and the mold cannot be quickly raised to the required preheating temperature. After being heated to a high temperature by the forming mechanism, the formed mold is sent to the cooling line for cooling, which makes the glass with a curved surface formed by the sharp change of temperature frequently breakage, and also prolongs the overall forming time period of the curved glass .

In addition, because the processing of 3D curved glass is difficult, the process route is relatively complicated, and the forming pressure is difficult to control, the existing non-flat glass generally adopts cold processing, that is, the edge of the flat glass is ground and polished to obtain the required The arc edge; however, this cold processing method is easy to leave small cracks on the non-planar glass, which greatly reduces the yield of non-planar glass; moreover, the arc fillet size that can be processed by the cold processing method is also limited.

Therefore, the prior art still needs to be improved and developed.

Contents of the invention

The technical problem to be solved by the present invention is to provide a pressurization system for forming curved glass of a mobile terminal in view of the above-mentioned defects of the prior art. It is used to heat the 3D curved surface forming mold to reach the predetermined temperature. The upper cooling plate and the lower cooling plate are used to cool down the processed 3D curved surface forming mold, and process the single piece of flat glass blank placed in the 3D curved surface forming mold into a 3D surface. Curved glass products reduce the internal stress of the material during the molding process of 3D curved glass, reduce the generation of fine cracks, and improve the yield of curved glass; in addition, the pressing device is used in curved glass molding equipment for mobile terminals , a plurality of pressing devices adopt the same part configuration, and a plurality of said pressing devices use one of them to hot-press form a single flat glass blank according to the different processed products, and the rest are respectively used as preheating devices and/or cooling devices , Improve the utilization rate of the pressing device.

The technical solution adopted by the present invention to solve technical problems is as follows:

A pressing system for molding curved glass of a mobile terminal, wherein, the pressing system includes a plurality of pressing devices; each pressing device includes a cylinder, an upper cooling plate, an upper heating plate, a lower heating plate and a lower cooling plate ;

The cylinder is arranged vertically, and the upper cooling plate, the upper heating plate, the lower heating plate and the lower cooling plate are all placed in a closed and breathable molding chamber;

The upper cooling plate is connected to the lower end of the cylinder, the upper heating plate is connected under the upper cooling plate, the bottom surface of the upper heating plate is used to contact the top surface of the 3D curved surface forming mold, and the top surface of the lower heating plate is used to contact the 3D curved surface forming mold The bottom surface of the bottom is in contact, and the lower heating plate is connected to the lower cooling plate;

The upper heating plate and the lower heating plate are used to heat the 3D curved surface forming mold to reach a predetermined temperature, and the upper cooling plate and the lower cooling plate are used to cool down the processed 3D curved surface forming mold, which will be placed on the 3D curved surface forming mold. The monolithic flat glass blank in the mold is processed into 3D curved glass products;

The profiling device is used in the curved glass forming equipment of the mobile terminal. The multiple profiling devices adopt the same part configuration, and the multiple profiling devices use one of them to process a single flat glass blank according to the different processed products. Hot press forming, the rest are used as preheating device and/or cooling device respectively.

The pressurization system for forming curved glass for mobile terminals, wherein the preheating device is used to uniformly preheat the 3D curved surface forming mold and the single piece of flat glass blank so that the temperature reaches a temperature that meets the pressure forming requirements; The cooling device is used to cool down the 3D curved glass products that have been formed.

In the pressurization system for forming curved glass for mobile terminals, the predetermined temperature is 950 degrees.

The pressurization system for forming curved surface glass of mobile terminals, wherein, between the upper heating plate and the upper cooling plate, and between the lower heating plate and the lower cooling plate, there is a device for slowing down the temperature rise of the 3D curved surface forming mold. Double-sided grille panels for speed.

The pressurization system for forming curved glass for mobile terminals, wherein, the upper and lower sides of the double-sided grid plate are respectively processed with grid grooves.

The pressurization system for forming curved glass for mobile terminals, wherein, the molding mold for 3D curved glass includes an upper mold and a lower mold, the side of the lower mold facing the upper mold is provided with a concave cavity, and the side of the upper mold facing the lower mold A boss is provided, and the boss is adapted to the concave cavity, and is used for hot pressing the single piece of flat glass put into it into a 3D curved glass under the condition that the upper mold and the lower mold are closed. A closed hollow cavity is arranged symmetrically in the middle.

The pressurization system for forming curved glass for mobile terminals, wherein a vacuum hole for introducing vacuum pressure is formed at the center of the lower heating plate of the molding device, and a plurality of suction holes are formed at the bottom of the 3D curved surface forming mold , the single piece of flat glass blank placed in the 3D curved surface forming mold is processed and formed into a 3D curved surface glass product by the vacuum pressure introduced into the suction hole during molding.

The pressurization system for mobile terminal curved glass molding, wherein the vacuum pressure is introduced into the suction hole of the lower mold so that the curved part of the single piece of flat glass blank placed in the 3D curved surface forming mold is completely attached to the lower mold after being absorbed by the vacuum pressure. The bottom surface of the mold and realize the bending.

In the pressurization system for forming curved glass of the mobile terminal, the output pressure of the forming device is all 0.001Mpa-0.8Mpa.

In the pressurization system for mobile terminal curved glass molding, the molding device is connected to a proportional valve and a solenoid valve for controlling the pressure output of the molding device during the molding operation.

The invention discloses a pressurization system for forming curved glass of a mobile terminal. The pressurization system includes a plurality of pressing devices; each pressing device includes a cylinder, an upper cooling plate, an upper heating plate, a lower heating plate and a lower cooling plate The profiling device is used in the curved glass forming equipment of the mobile terminal, and the multiple profiling devices adopt the same part configuration, and the multiple profiling devices use one of them to pair a single flat glass blank according to the different processed products. Carry out hot press forming, and the rest are respectively used as preheating device and/or cooling device. In the present invention, the 3D curved surface forming mold is brought to a predetermined temperature by a preheating device, and a single flat glass blank is processed and formed into a 3D curved glass product by a pressing device, and then cooled by a cooling device to improve the production efficiency of the product.

Description of drawings

Fig. 1 is a structural schematic diagram of a pressurization system for forming curved glass of a mobile terminal in the present invention on a curved glass hot-pressing equipment.

Fig. 2 is a structural schematic diagram of a pressing device in a pressing system for forming a curved glass of a mobile terminal according to the present invention.

Fig. 3 is a structural schematic diagram of the curved glass molding equipment (including three molding devices) of the mobile terminal of the present invention.

Fig. 4 is a structural schematic diagram of a pressure control device for forming curved glass for a mobile terminal according to the present invention.

detailed description

In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

As shown in Figures 1 and 2, the pressurization system includes multiple molding devices, which are used in curved glass molding equipment for mobile terminals. The multiple molding devices use the same component configuration, and the multiple molding devices According to the different processed products, the molding device uses one of them to hot-press the single flat glass blank, and the rest are respectively used as preheating device and/or cooling device; the molding device 110 (referring to the first A profiling device, the number of profiling devices of the present invention is preferably 3) including a cylinder 111, an upper cooling plate 112, an upper heating plate 113, a lower heating plate 114 and a lower cooling plate 115;

The cylinder 111 is vertically arranged, and the upper cooling plate 112, the upper heating plate 113, the lower heating plate 114 and the lower cooling plate 115 are all placed in a closed and breathable molding chamber (as shown in Figure 1, the profiling chamber of the present invention The device is part of the curved glass processing equipment);

The upper cooling plate 112 is connected to the lower end of the cylinder 111, the upper heating plate 113 is connected under the upper cooling plate 112, the bottom surface of the upper heating plate 113 is used to contact the top surface of the 3D curved surface forming mold 10, and the top surface of the lower heating plate 113 For contacting the bottom surface of the 3D curved surface forming mold 10, the lower heating plate 114 is connected to the lower cooling plate 115;

The upper heating plate 113 and the lower heating plate 114 are used to heat the 3D curved surface forming mold 10 to reach a predetermined temperature, the predetermined temperature is preferably 950 degrees, and the upper cooling plate 112 and the lower cooling plate 115 are used to complete the processing The 3D curved surface forming mold 10 is cooled, and the monolithic flat glass blank placed in the 3D curved surface forming mold 10 is processed and formed into a 3D curved surface glass product.

Fig. 1 is a structural schematic diagram of a pressurization system for forming curved glass of a mobile terminal in the present invention on a curved glass hot-pressing device. Only the main part of the molding equipment is shown in Fig. 1 (comprising three molding devices, respectively the first molding device 110, the second molding device 120 and the third molding device 130, the 3 molding devices According to the different processed products, one of them is used to hot-press the monolithic flat glass blank, and the rest are respectively used as preheating device and/or cooling device. The preheating device is used to combine the 3D curved surface forming mold with the single flat glass The glass blank is uniformly preheated so that its temperature reaches the temperature that meets the pressure forming; the cooling device is used to cool down the 3D curved glass product), and the single piece of flat glass blank is placed on the pre-made 3D curved surface In the forming mold 10 ( FIG. 2 ), a 3D curved glass product is formed after passing through the hot pressing equipment.

The 3D curved surface forming mold 10 includes an upper mold and a lower mold, the lower mold is provided with a concave cavity on the side facing the upper mold, and the upper mold is provided with a boss on the side facing the lower mold. In the state where the upper mold and the lower mold are closed, the single piece of flat glass blank put into it is hot-pressed into 3D curved glass, and a closed hollow cavity is symmetrically arranged in the middle of the bottom surface of the lower mold. The cavity can control the contact area and position of the lower mold and the lower heating plate 114 of the profiling device, and can also control the pressure distribution when the upper mold and the lower mold are closed, so that the profiling can be arranged in the form of an assembly line device, and the flat glass put into the molding mold is hot-pressed in a staged hot-pressing manner, which greatly reduces the material internal stress of the 3D curved glass during the molding process, thereby greatly reducing the small cracks on the edge of the glass and significantly improving Yield of non-flat glass. In addition, both the upper mold and the lower mold are formed by mechanical processing using block graphite.

As shown in Figure 1, the profiling device of the present invention is applied to hot-pressing equipment for curved glass, and the hot-pressing equipment mainly includes a first profiling device 110, a second profiling device 120 and a Three profiling devices 130, the 3D curved surface forming mold 10 equipped with a single flat glass blank passes through the first profiling device 110, the second profiling device 120 and the third profiling device 130 in sequence along the arrow direction shown in the figure, for A single piece of flat glass blank is hot-pressed into a mobile terminal 3D curved glass product in stages.

Both the second profiling device 120 and the third profiling device 130 adopt the same component configuration as the first profiling device 110 . It has already been introduced above, so I won’t repeat it here.

The output pressure of the first profiling device 110, the second profiling device 111 and the third profiling device 112 is in the range of 0.001Mpa-0.8Mpa, and the output pressure is carried out at 0.001Mpa-0.8Mpa according to different requirements of the product Select, the precision of the pressure can reach 0.001 Mpa, which can effectively control the size of the pressure.

In addition, a double-sided grid plate 116 is arranged between the upper heating plate 113 and the upper cooling plate 112, and a double-sided grid plate 117 is arranged between the lower heating plate 114 and the lower cooling plate 115. The two sides of the grid plates 116 and 117 are respectively processed with grid grooves, which can slow down the temperature rise of the 3D curved surface forming mold after assembly.

The heat-pressing equipment also includes: a first preheating module 210, a second preheating module 220, a third preheating module 230, and a fourth preheating module 240 arranged in an assembly line, the first The profiling device 110 is located after the fourth preheating module 240, and the 3D curved surface forming mold 10 passes through the first preheating module 210, the second preheating module 220, the The three preheating modules 230 and the fourth preheating module 240 are used to heat the 3D curved surface forming mold in stages by means of heat conduction.

Specifically, the first preheating module 210 includes an auxiliary cylinder 211, an auxiliary upper cooling plate 212, an auxiliary upper heating plate 213, an auxiliary lower heating plate 214, and an auxiliary lower cooling plate 215. The auxiliary cylinder 211 is vertically arranged, and the auxiliary The upper cooling plate 212, the auxiliary upper heating plate 213, the auxiliary lower heating plate 214 and the auxiliary lower cooling plate 215 are also placed in the molding chamber 400, the auxiliary upper cooling plate 212 is connected to the lower end of the auxiliary cylinder 211, and the auxiliary upper heating plate 213 is connected under the secondary upper cooling plate 212.

When the 3D curved surface forming mold 10 was preheated, the bottom surface of the auxiliary upper heating plate 213 was used to contact the top surface of the 3D curved surface forming mold 10, and the top surface of the auxiliary lower heating plate 214 was used to contact the 3D curved surface. The bottom surface of the molding die 10 is in contact, and the sub-lower heating plate 214 is connected on the sub-lower cooling plate 215; The same part configuration, the fourth preheating module 240 adopts the same part configuration as the first profiling device 110, so as to slow down the temperature rise rate of the 3D curved surface forming mold, and the fourth preheating module 240 adopts the auxiliary The air cylinder 211 replaces the air cylinder 111 to avoid applying excessive pressure to the 3D curved surface forming mold before the formal hot pressing.

The 3D curved surface forming mold 10 and the flat glass blank need to be uniformly preheated before pressing, and the 3D curved surface forming mold 10 and the flat glass blank can be controlled to protect and heat by maintaining pressure. The preheating temperature of the first preheating module 210 is 650 degrees, and the output pressure is 4-15 kg; the preheating temperature of the second preheating module 220 is 750 degrees, and the output pressure is 4-15 kg; the third The preheating temperature of the preheating module 230 is 850 degrees, and the output pressure is 4-15 kg; the preheating temperature of the fourth preheating module 240 is 950 degrees, and the output pressure is 4-20 kg; the 3D curved surface forming mold 10 The preheating temperature is gradually preheated from low to high, which is beneficial to the slow heating of the 3D curved surface forming mold 10 and the flat glass blank.

Preferably, the auxiliary upper heating plate 213 and the auxiliary upper cooling plate 212 are connected through a plurality of spacers 216, and the auxiliary lower heating plate 214 and the auxiliary lower cooling plate 215 are connected through a plurality of spacers 217. connection, the contact area of the spacers 216 and 217 is not as good as that of the double-sided grid plates 116 and 117. Compared with the double-sided grid plates 116 and 117 in the preheating stage, the spacers 216 and 217 can speed up the 3D curved surface forming mold temperature rise rate.

The hot-pressing equipment also includes: a first cooling module 310 , a second cooling module 320 , a third cooling module 330 and a fourth cooling module 340 arranged in an assembly line, the first cooling module 310 After the third profiling device 130, the 3D curved surface forming mold 10 passes through the first cooling module 310, the second cooling module 320, and the third cooling module 330 after passing through the third profiling device 130. And the fourth cooling module 340 is used for cooling the 3D curved surface forming mold 10 in stages by means of heat conduction.

Connected to the molding chamber 400, the first cooling module 310 is used to initially cool the molded product by means of heat conduction, while maintaining a stable pressure on it; connected to the molding chamber 400, and Arranged in a pipeline with the first cooling module 310, the second cooling module 320 is used for secondary cooling of the molded product through heat conduction to speed up the cooling speed of the mold; and the molding chamber 400 The third cooling module 330 connected to the first cooling module 310 and the second cooling module 320 is arranged in an assembly line, and is used to cool the formed product three times through heat conduction; The molding chamber 400 is connected to the first cooling module 310, the second cooling module 320 and the third cooling module 330 in an assembly line arrangement, and is used to cool the molded product four times through heat conduction. The fourth cooling module 340.

Preferably, the first cooling module 310 adopts the same parts configuration as the first profiling device 130 to ensure a stable pressure-holding effect on the 3D curved surface forming mold 10 at the initial stage of cooling, while the second cooling The module 320 adopts the same component configuration as the fourth preheating module 240 to speed up the cooling speed of the 3D curved surface forming mold 10 .

When the 3D curved surface forming mold 10 passes through the first cooling module 310, it is cooled by heat transfer with the upper cooling plate and the lower cooling plate in the first cooling module 310; the 3D curved surface forming mold 10 passes through the second cooling When the module 320 is used, it is cooled by heat transfer with the auxiliary upper cooling plate and the auxiliary lower cooling plate in the second cooling module 320; the 3D curved surface forming mold 10 passes through the third cooling module 330 and the fourth cooling module At 340, water cooling is carried out through the liquid cooling plate (the liquid cooling plate is selected from a liquid with a cooling effect, preferably tap water in the present invention) arranged in the third cooling module 330 and the fourth cooling module 340.

In the present invention, a vacuum hole for introducing vacuum pressure can be formed at the central part of the lower heating plate 114 of the profiling device 110, and a plurality of suction holes are formed at the bottom of the 3D curved surface forming mold 10. The vacuum pressure of the suction hole allows the monolithic planar glass blank placed in the 3D curved surface forming mold 10 to be processed into a 3D curved surface glass product; The curved part of the glass blank is completely attached to the bottom surface of the lower mold after being sucked by the vacuum pressure to realize the bending.

In addition, the profiling device 110 is used in the curved glass forming equipment of mobile terminals. Multiple profiling devices adopt the same part configuration, and multiple profiling devices use one of the profiling devices according to the different processed products. The glass blanks are hot-pressed, and the rest can be used as preheating devices and/or cooling devices respectively.

As shown in Figure 3, the single flat glass blank is placed in the 3D curved surface forming mold 10 in advance, and then the 3D curved surface forming mold 10 with the single flat glass blank is placed on the feeding port platform 1, and the induction device After sensing the 3D curved surface forming mold 10, control the push rod to push the 3D curved surface forming mold 10 into the forming chamber 400;

After the 3D curved surface molding mold 10 is sent into the molding chamber 400, it passes through the first preheating module 210, the second preheating module 220, the third preheating module 230 and the The four preheating modules 240 heat the 3D curved surface forming mold 10 in stages by means of heat conduction, and slowly preheat the single flat glass blank;

After the preheating of the 3D curved surface forming mold 10 is completed, it passes through the first profiling device 110, the second profiling device 120 and the third profiling device 130 arranged in an assembly line in sequence, and the pressure control device 5 of the present invention Control the down pressure of the three molding devices, which is used to hot-press the single piece of flat glass blank into 3D curved glass products in stages (that is, the arc surface has appeared around the single piece of flat glass blank);

After the 3D curved surface forming mold 10 passes through the third molding device 130, it passes through the first cooling module 310, the second cooling module 320, the third cooling module 330 and the The four-cooling module 340 cools the 3D curved surface forming mold in stages by means of heat conduction, and gradually reduces the temperature of the 3D curved surface forming mold 10. device) after the auxiliary cooling of the formed 3D curved glass product, the product is discharged through the discharge port 3.

As shown in Figure 4, the profiling device is connected with a proportional valve and a solenoid valve for controlling the pressure output of the profiling device during the profiling operation. The pressure control device 5 described in FIG. 4 also includes: a first proportional valve 51 and a first electromagnetic valve 511 for controlling the pressure of the first profiling device 110 for profiling operation; for controlling the second profiling device 120 The second proportional valve 52 and the second solenoid valve 521 are used to control the pressure during the profiling operation; the third proportional valve 53 and the third solenoid valve 531 are used to control the pressure of the third profiling device 130 during the profiling operation.

The first proportional valve 51 for controlling the pressure output is connected with the first solenoid valve 511 for converting the pressure output, and the first solenoid valve 511 is connected with the first profiling device 110 for connecting the first proportional valve The pressure output by 51 is added to the cylinder in the first profiling device 110 to control the upper heating plate to rise or press down;

The connection control relationship between the second proportional valve 52, the second solenoid valve 521, the second profiling device 120, the third proportional valve 53, the third solenoid valve 531, and the third profiling device 130 is the same as that of the first proportional valve. 51. The connection control relationship between the first solenoid valve 511 and the first profiling device 110 is the same.

The first solenoid valve 511, the second solenoid valve 521, and the third solenoid valve 531 all adopt electronic positive pressure control mode, and the control accuracy can reach 0.001Mpa.

When the 3D curved surface forming mold 10 is profiling by the first profiling device 110, the pressure is output to the first solenoid valve 511 through the first proportional valve 51, and the pressure is converted by the first solenoid valve 511 to control the first The cylinder 111 in the molding device 110 drives the upper heating plate 113 to press down; when the first hot pressing of the single flat glass blank is completed and the second molding device 120 is used for molding, the second proportional valve 52, the second The second solenoid valve 521 controls the second profiling device 120 to press down, and when the profiling is performed by the third profiling device 130, the third profiling device 130 is pressed down by the third proportional valve 53 and the third solenoid valve control 531 .

At the same time, in the molding process, the molding chamber 400 is filled with nitrogen to prevent oxidation, and the molding cycle can be repeated when the temperature of the 3D curved surface molding mold 10 is high, and the single flat glass blank is placed in the 3D curved surface molding mold In the state (between the upper mold and the lower mold), the single-piece flat glass blank is formed into a curved state by applying pressure in a high-temperature environment (950 degrees).

To sum up, the present invention discloses a pressurization system for forming curved glass for a mobile terminal. The pressurization system includes a plurality of pressing devices; each pressing device includes a cylinder, an upper cooling plate, an upper heating plate, and a lower heating plate. plate and the lower cooling plate; the pressing device is used in the curved glass forming equipment of the mobile terminal, and the multiple pressing devices adopt the same part configuration, and the multiple pressing devices use one of the pressing devices according to the different processed products. The single piece of flat glass blank is hot-pressed, and the rest are used as preheating and/or cooling devices respectively. In the present invention, the 3D curved surface forming mold is brought to a predetermined temperature by a preheating device, and a single flat glass blank is processed and formed into a 3D curved glass product by a pressing device, and then cooled by a cooling device to improve the production efficiency of the product.

It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art can make improvements or transformations according to the above descriptions, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (10)

1. the compression system that a kind of mobile terminal bend glass is molded, it is characterised in that the compression system includes multiple die moulds Device；Each molding press device includes cylinder, upper coldplate, upper heating plate, lower heating plate and lower coldplate；

The vertical cylinder is set, and upper coldplate, upper heating plate, lower heating plate and lower coldplate are placed in a closing and interchangeable In the forming room of gas；

Upper coldplate is connected to the lower end of cylinder, and upper heating plate is connected under coldplate, the bottom surface of upper heating plate be used for The top surface of 3D curved surface forming moulds is in contact, and the top surface of lower heating plate is used to be in contact with the bottom surface of 3D curved surface forming moulds, under Heating plate is connected on lower coldplate；

The upper heating plate and lower heating plate reach predetermined temperature, the upper coldplate for heating 3D curved surface forming moulds The 3D curved surface forming moulds for being used to machine with lower coldplate are lowered the temperature, and will be positioned over the list in 3D curved surface forming moulds The machine-shaping of plate plane chunk glass is 3D bend glass products；

The molding press device is used in the bend glass former of mobile terminal, and multiple molding press devices are matched somebody with somebody using identical part Put, multiple molding press devices carry out hot pressing using one of them according to the difference of converted products to monolithic flat glass blank Shaping, remaining is respectively as preheating device and/or cooling device.

2. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the pre- hot charging Put makes its temperature reach satisfaction extrusion forming for 3D curved surface formings mould and monolithic flat glass blank to be carried out into uniform preheating Temperature；The cooling device is cooled down for will be shaped to 3D bend glass products.

3. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the pre- constant temperature Spend is 950 degree.

4. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the upper heating One is provided between plate and upper coldplate and between lower heating plate and lower coldplate for slowing down 3D curved surface forming moulds The two-sided flase floor of temperature rise speed.

5. the compression system that mobile terminal bend glass according to claim 4 is molded, it is characterised in that the two-sided lattice The upper and lower surface of screen is machined with frame trough respectively.

6. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the 3D curved surfaces The mould of glass includes mould and once mould on one, and lower mould is provided with a cavity towards the one side of upper mould, and upper mould is towards lower mould One side be provided with a boss, boss is adapted with cavity, in the state of upper mould with lower mould matched moulds, will be put into wherein single The flat glass of piece is hot pressed into 3D bend glasses, and the intermediate symmetry of the lower mould bottom surface is provided with the empty avoiding cavity of a closing.

7. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that in the die mould The central portion of the lower heating plate of device forms the vacuum hole for introducing vacuum pressure, forms many in the bottom of the 3D curved surface formings mould Individual inlet hole, the monolithic plane glass in die mould by being introduced into the vacuum pressure of inlet hole to allow and being positioned in 3D curved surface forming moulds The machine-shaping of glass blank is 3D bend glass products.

8. the compression system that mobile terminal bend glass according to claim 7 is molded, it is characterised in that vacuum pressure is drawn Enter the inlet hole of lower mould so that the crooked position of the monolithic flat glass blank being positioned in 3D curved surface forming moulds is by vacuum pressure The bottom surface of lower mould is close to after absorption completely and bending is realized.

9. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the die mould dress Put output pressure and be 0.001Mpa-0.8Mpa.

10. the compression system that mobile terminal bend glass according to claim 1 is molded, it is characterised in that the die mould The proportioning valve and magnetic valve that pressure size is exported when device is with for controlling the molding press device to carry out profiling operation are connected.