CN117185632A

CN117185632A - Curved glass's curved equipment of heat

Info

Publication number: CN117185632A
Application number: CN202311281004.7A
Authority: CN
Inventors: 詹胜文; 傅思健; 陈学才; 单扬奕; 郑龙
Original assignee: Dongguan Entebeisi Intelligent Technology Co ltd
Current assignee: Dongguan Entebeisi Intelligent Technology Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2023-12-08

Abstract

The application provides a hot bending device for curved glass. The curved glass hot bending equipment comprises an installation table, a hot bending furnace chamber, a turntable transmission structure, a hot bending structure and at least three dies. The hot-bending furnace chamber is arranged on the mounting table. The turntable transmission structure is arranged in the hot bending furnace chamber and is rotatably connected with the hot bending furnace chamber. The hot bending structure comprises a preheating mechanism, a forming mechanism and a cooling mechanism, and the preheating mechanism, the forming mechanism and the cooling mechanism are sequentially arranged on the chamber of the hot bending furnace along the transmission direction of the turntable transmission structure. The three moulds are respectively arranged in one-to-one correspondence with the preheating mechanism, the forming mechanism and the cooling mechanism, and the three moulds are sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure. The whole heat bending equipment of the curved glass has small occupied area, and can realize the automation of the special-shaped curved glass.

Description

Curved glass's curved equipment of heat

Technical Field

The application relates to the technical field of glass processing, in particular to a hot bending device for curved glass.

Background

Along with the increasing maturity of 3D curved glass, the acceptance of 3D glass in the market is also higher, and the whole production and processing process flow of processing a glass substrate into 3D curved glass mainly comprises the following steps: engineering, cutting and perforating, engraving, grinding, cleaning (glass substrate), hot bending, polishing, detecting, toughening, UV transfer printing, coating (PVD), printing (silk screen printing and spraying), laminating, film sticking, packaging and the like, wherein the hot bending is one of the most core processes in the 3D curved glass manufacturing process, and is also one of the difficulties, and the main flow is as follows: the glass substrate with the refined appearance and the holes is placed in the graphite mold, the graphite mold is placed in the hot bending equipment, the glass substrate is formed into the 3D curved surface glass in the mold through preheating, profiling and cooling, and in the existing hot bending equipment, the structures for realizing the preheating, profiling and cooling are sequentially and linearly arranged to realize the assembly line type processing of the 3D curved surface glass, such as the Chinese patent application with the application number of 201710760155.9, the automatic processing of the 3D curved surface glass is favorably realized, the processing efficiency of the 3D curved surface glass is effectively improved, the arrangement of the transmission structure and the structures for realizing the preheating, profiling and cooling which are sequentially and linearly arranged along the transmission structure are all installed on the installation table, the overall occupied length of the hot bending equipment is long, and the processing of the relatively complex special curved surface glass is required to be transferred back and forth for a plurality of times to reentry the hot bending equipment for processing, such as the Chinese patent application with the application number of 201911270356.6, the graphite mold is additionally arranged, the graphite mold is favorable for improving the automation of the processing of the special curved surface glass, the graphite mold is still arranged on the installation table for realizing the automatic processing of the special curved surface glass, the preheating, the profiling and cooling structure is also arranged on the graphite mold and the cooling table along the whole occupied by the whole table, and the whole structure is also distributed on the table and the cooling table.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the curved glass hot bending equipment which has small overall occupied area and can realize the automation of the special-shaped curved glass.

The aim of the invention is realized by the following technical scheme:

a curved glass hot bending apparatus comprising:

a mounting table;

the hot bending furnace chamber is arranged on the mounting table;

the turntable transmission structure is arranged in the hot bending furnace chamber and is rotatably connected with the hot bending furnace chamber;

the hot bending structure comprises a preheating mechanism, a forming mechanism and a cooling mechanism, and the preheating mechanism, the forming mechanism and the cooling mechanism are sequentially arranged on the hot bending furnace chamber along the transmission direction of the turntable transmission structure;

at least three moulds, three the mould respectively with preheat the mechanism shaping mechanism with cooling body one-to-one sets up, and three the mould follow carousel transmission structure's transmission direction set gradually in on the carousel transmission structure.

In one embodiment, the hot bending structure further comprises a feeding and discharging mechanism, wherein the feeding and discharging mechanism is arranged between the cooling mechanism and the preheating mechanism, and the feeding and discharging mechanism, the preheating mechanism, the forming mechanism and the cooling mechanism are sequentially arranged on the hot bending furnace chamber along the transmission direction of the turntable transmission structure;

The number of the dies is four, the dies are respectively in one-to-one correspondence with the feeding and discharging mechanism, the preheating mechanism, the forming mechanism and the cooling mechanism, and the dies are sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure.

In one embodiment, the preheating mechanism comprises a first preheating component, a second preheating component and a third preheating component, and the first preheating component, the second preheating component, the third preheating component, the forming mechanism and the cooling mechanism are sequentially arranged on the hot bending furnace chamber along the transmission direction of the turntable transmission structure;

the number of the molds is five, the five molds are respectively in one-to-one correspondence with the first preheating assembly, the second preheating assembly, the third preheating assembly, the forming mechanism and the cooling mechanism, and the five molds are sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure.

In one embodiment, the cooling mechanism includes a first cooling component, a second cooling component and a third cooling component, and the preheating mechanism, the forming mechanism, the first cooling component, the second cooling component and the third cooling component are sequentially disposed on the hot bending furnace chamber along the transmission direction of the turntable transmission structure;

The number of the dies is five, the five dies are respectively in one-to-one correspondence with the preheating mechanism, the forming mechanism, the first cooling assembly, the second cooling assembly and the third cooling assembly, and the five dies are sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure.

In one embodiment, the hot bending structure further comprises at least three temperature monitoring mechanisms, the three temperature monitoring mechanisms are arranged in one-to-one correspondence with the three dies, each temperature monitoring mechanism penetrates through the hot bending furnace cavity, and each temperature monitoring mechanism is arranged towards the corresponding die.

In one embodiment, the hot-bending structure further comprises at least one inert gas concentration detector, and the inert gas concentration detector is arranged in the hot-bending furnace chamber.

In one embodiment, the hotbend structure further comprises an inert gas circulation mechanism;

the inert gas circulation mechanism comprises an inert gas input pipe and an inert gas output pipe, the inert gas input pipe and the inert gas output pipe are both communicated with the hot bending furnace chamber, the inert gas input pipe is used for being communicated with the air pump, and the inert gas output pipe is used for being communicated with the gas pressure release valve.

In one embodiment, the mold is a graphite mold.

In one embodiment, the hot bending furnace chamber is provided with a heat-insulating layer, the heat-insulating layer is connected to the inner wall of the hot bending furnace chamber to form a heat-insulating area, the heat-insulating layer is respectively arranged corresponding to the preheating mechanism and the forming mechanism, and the die correspondingly arranged with the preheating mechanism and the forming mechanism is positioned at the heat-insulating area.

In one embodiment, the hot bending furnace chamber is provided with at least one window, the window is covered with a sealing body, and the sealing body is detachably and tightly connected with the hot bending furnace chamber.

Compared with the prior art, the invention has at least the following advantages:

according to the curved glass hot bending equipment, the three dies are respectively arranged in one-to-one correspondence with the preheating mechanism, the forming mechanism and the cooling mechanism, the three dies are matched with each other to be sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure, and the preheating mechanism, the forming mechanism and the cooling mechanism are sequentially arranged on the hot bending furnace cavity along the transmission direction of the turntable transmission structure, so that the curved glass is subjected to reflux processing in a circumferential transmission mode, further the automation of special-shaped curved glass is realized, the addition of a reflux line is avoided, the preheating mechanism, the forming mechanism and the cooling mechanism are matched with each other to be sequentially and circumferentially arranged in the hot bending furnace cavity, the miniaturization of the whole structure of the curved glass hot bending equipment is effectively realized, the occupied area of the curved glass hot bending equipment is smaller, and the usability of the curved glass hot bending equipment for different scenes is better improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a curved glass hot bending apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the curved glass of FIG. 1 at A of the hot bending apparatus;

FIG. 3 is a partial view of the apparatus for hot bending the curved glass shown in FIG. 1;

FIG. 4 is a partial cross-sectional view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 5 is another partial cross-sectional view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 6 is another schematic structural view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 7 is another partial cross-sectional view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 8 is a partial cross-sectional view of the curved glass of FIG. 7 at B of the hot bending apparatus;

FIG. 9 is a partial cross-sectional view of the curved glass of FIG. 7 at C of the apparatus;

FIG. 10 is another partial view of the apparatus for hot bending curved glass shown in FIG. 1;

FIG. 11 is a further partial view of the apparatus for thermally bending curved glass of FIG. 1

FIG. 12 is another partial cross-sectional view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 13 is a further partial view of the apparatus for thermally bending curved glass shown in FIG. 1;

FIG. 14 is a further partial view of the apparatus for thermally bending curved glass shown in FIG. 1;

fig. 15 is a further partial view of the apparatus for thermally bending curved glass shown in fig. 1.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The application provides a hot bending device for curved glass. The curved glass hot bending equipment comprises an installation table, a hot bending furnace chamber, a turntable transmission structure, a hot bending structure and at least three dies. The hot-bending furnace chamber is arranged on the mounting table. The turntable transmission structure is arranged in the hot bending furnace chamber and is rotatably connected with the hot bending furnace chamber. The hot bending structure comprises a preheating mechanism, a forming mechanism and a cooling mechanism, and the preheating mechanism, the forming mechanism and the cooling mechanism are sequentially arranged on the chamber of the hot bending furnace along the transmission direction of the turntable transmission structure. The three moulds are respectively arranged in one-to-one correspondence with the preheating mechanism, the forming mechanism and the cooling mechanism, and the three moulds are sequentially arranged on the turntable transmission structure along the transmission direction of the turntable transmission structure.

The curved glass's hot bending equipment, make three moulds set up with preheating mechanism, forming mechanism and cooling mechanism one-to-one respectively, the cooperation three moulds sets gradually on carousel transmission structure along carousel transmission structure's transmission direction, and preheating mechanism, forming mechanism and cooling mechanism set gradually on the hot bending stove cavity along carousel transmission structure's transmission direction, curved glass carries out reflux processing with the mode of circumference transmission and handles, and then the automation of adding of special-shaped curved glass has been realized, and the extension of return line has been avoided, cooperation preheating mechanism, forming mechanism and cooling mechanism arrange in hot bending furnace chamber in proper order circumference, curved glass's hot bending equipment's overall structure's miniaturization has been realized effectively, even make curved glass's hot bending equipment's area less, curved glass's hot bending equipment's usability to different scenes has been improved better.

In order to better understand the curved glass hot bending apparatus of the present application, the curved glass hot bending apparatus of the present application is further explained below:

referring to fig. 1, 6 and 12, a curved glass hot bending apparatus 10 according to an embodiment includes a mounting table 100, a hot bending furnace chamber 200, a turntable transfer structure 300, a hot bending structure 400 and at least three molds 500. The hot-bending furnace chamber 200 is mounted on the mounting table 100. The turntable transfer structure 300 is disposed within the hotbox chamber 200, and the turntable transfer structure 300 is rotatably coupled to the hotbox chamber 200. The hot bending structure 400 includes a preheating mechanism 410, a forming mechanism 420, and a cooling mechanism 430, and the preheating mechanism 410, the forming mechanism 420, and the cooling mechanism 430 are sequentially disposed on the hot bending furnace chamber 200 along the transmission direction of the turntable transmission structure 300. The three molds 500 are respectively arranged in one-to-one correspondence with the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430, and the three molds 500 are sequentially arranged on the turntable transmission structure 300 along the transmission direction of the turntable transmission structure 300.

The curved glass hot bending device 10 described above, make three dies 500 set up with preheating mechanism 410, forming mechanism 420 and cooling mechanism 430 in a one-to-one correspondence respectively, coordinate three dies 500 to set up on carousel transmission structure 300 in proper order along the transmission direction of carousel transmission structure 300, and preheating mechanism 410, forming mechanism 420 and cooling mechanism 430 set up on hot bending furnace cavity 200 in proper order along the transmission direction of carousel transmission structure 300, realized that curved glass carries out the reflux processing with the mode of circumferential transmission and handled, and then realized the automation of adding of special-shaped curved glass, and avoided the extension of return wire, coordinate preheating mechanism 410, forming mechanism 420 and cooling mechanism 430 in proper order circumference to arrange in hot bending furnace cavity 200, realized the miniaturization of curved glass's hot bending device 10 overall structure effectively, that is, make curved glass's hot bending device 10 area less, improved curved glass's hot bending device 10 to the usability of different scenes better.

Referring to fig. 7 to 10, in some embodiments, the turntable transmission structure 300 includes a reflow tray 310 and a driving roller 320, the reflow tray 310 is sleeved on the driving roller 320, the driving roller 320 is rotatably connected with the hot bending furnace chamber 200, and at least part of the driving roller 320 protrudes out of the hot bending furnace chamber 200 and is used for being connected with a power output end of the turntable driving member 330. Further, at least three molds 500 are sequentially disposed on the reflow tray 310 along the rotation direction of the reflow tray 310, and any one mold 500 is located at the outer circumference of the driving roller 320. It can be understood that the reflux disc 310 is sleeved on the driving roller 320, and the driving roller 320 is connected with the power output end of the turntable driving piece 330, so that the turntable driving piece 330 drives the driving roller 320 to rotate to realize circumferential rotation of the reflux disc 310, further, glass blanks are subjected to hot bending processing on the die 500 along with the reflux disc 310 sequentially passing through the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430, further, automatic processing of the glass blanks in a circumferential transmission processing mode is better realized, and the device has a simple structure, the miniaturization of the curved glass hot bending equipment 10 is better realized, namely, the whole occupied area of the curved glass hot bending equipment 10 is effectively reduced, and the universality of the curved glass hot bending equipment 10 is further improved.

Referring to fig. 7 to 10, in some embodiments, the turntable transmission structure 300 further includes a turntable driving member 330, the turntable driving member 330 is connected to the mounting table 100 or the hot bending furnace chamber 200, and a power output end of the turntable driving member 330 is connected to an end of the turntable driving member 330 remote from the reflow tray 310. Further, a turntable drive 330 is attached to the outer wall of the thermal bend chamber. Further, the turntable drive 330 is an F-series parallel-axis helical gear motor.

Referring to fig. 7 to 10, in some embodiments, the driving roller 320 includes a roller 321 and a driving transition body 322, the reflow tray 310 is sleeved on the roller 321, the roller 321 is rotatably connected with the hot bending furnace chamber 200, one end of the driving transition body 322 is connected with an end of the roller 321 away from the reflow tray 310, the other end of the driving transition body 322 is connected with a power output end of the turntable driving member 330, and the driving transition body 322 is disposed in a position avoiding manner with the mounting table 100. Further, the transmission transition body is a gearbox. It can be appreciated that the adjustability of the rotational speed of the turntable transmission structure 300 is well ensured with the structural strength of the turntable transmission structure 300 ensured.

Referring to fig. 7 to 10, in some embodiments, the roller 321 includes a roller body 3211, a first rotating auxiliary body 3212 and a second rotating auxiliary body 3213, the reflow tray 310 is sleeved on the roller body 3211, the first rotating auxiliary body 3212 and the second rotating auxiliary body 3213 are both connected to two ends of the roller body 3211, the first rotating auxiliary body 3212 is clamped on the hot-bending furnace chamber 200, the second rotating auxiliary body 3213 is abutted on the hot-bending furnace chamber 200, and the first rotating auxiliary body 3212 and the second rotating auxiliary body 3213 are both connected with the hot-bending furnace chamber 200 in a rotating manner, and the transmission transition body 322 is connected with one end of the roller body 3211 away from the reflow tray 310. Further, a first seal member 3214 is interposed between the first rotation assisting body 3212 and the hot bending furnace chamber 200. Further, a second seal member 3215 is interposed between the second rotation assisting body 3213 and the hot bending furnace chamber 200. Further, the first sealing element and the second sealing element are both sealing rubber rings. It can be appreciated that the rotational stability of the roller 321 is improved and the sealability of the hot-bending furnace chamber 200 is better ensured.

Referring to fig. 7 to 10, in some embodiments, the reflow tray 310 includes a turntable rigid member 311 and at least three bottom brackets 312, the turntable rigid member 311 is sleeved on the driving roller 320, at least three through regions 301 are formed on the turntable rigid member 311, the at least three through regions 301 are sequentially arranged at intervals along the rotation direction of the turntable rigid member 311, the at least three bottom brackets 312 are disposed at the at least three through regions 301 in a one-to-one correspondence manner, and each bottom bracket 312 is connected to the turntable rigid member 311. Further, at least three molds 500 are placed on at least three bottom brackets 312 in a one-to-one correspondence. Further, the turntable rigid part 311 is sleeved on the roller body 3211. It will be appreciated that the turntable stiffener 311 better ensures the structural strength of the reflow tray 310, while the bottom bracket 312 is used to place the mold 500, better improving the placement stability of the mold 500.

In some of these embodiments, the mold is a graphite mold (hereinafter also referred to as 500) having a porosity of 10% -20% and a pore size of 0.6um-0.9um. Further, the pore size of the graphite mold was 0.8um. Further, the resistivity of the graphite mold is 16UΩ.M-20 UΩ.M. The graphite mold is formed by compacting graphite, and the compacted density determines the porosity and pore diameter of the graphite mold. It can be understood that if the pores of the graphite mold are obtained by laser etching, the pores on the graphite mold are linear, so that when the curved glass is tightly attached to the graphite mold during molding, the negative pressure formed at the pores has a vertical attraction effect on the tangential plane of the curved glass, and thus the surface of the curved glass is uneven, while if the pores are compacted, the pores are more curved, i.e. nonlinear, so that the negative pressure formed at the pores forms more component forces to have a multi-angle attraction effect on the curved glass, so that the attraction force applied to the curved glass is averaged, and the surface flatness of the curved glass is improved. It can be understood that the porosity of the graphite mold is 10% -20%, and the pore diameter is 0.6um-0.9um, so that the adsorption strength of the graphite mold to the glass blank is well ensured.

Referring to fig. 12, in some embodiments, a curved groove 501 is formed in a graphite mold 500, and the graphite mold 500 is used for placing a glass blank. Further, when the glass blank is placed on the graphite mold 500, the glass blank is covered on the bending groove 501 to form a negative pressure cavity 502, and the periphery of the glass blank is located at the periphery of the bending groove 501 and is abutted against the graphite mold 500. Further, the groove bottom of the bending groove 501 includes a horizontal portion 5011, a first transition portion 5012, a second transition portion 5013, a first wedge portion 5014 and a second wedge portion 5015, the first wedge portion 5014, the first transition portion 5012, the horizontal portion 5011, the second transition portion 5013 and the second wedge portion 5015 are sequentially linearly arranged and sequentially connected, and the first wedge portion 5014 and the second wedge portion 5015 are all disposed toward a direction away from the horizontal portion 5011. It can be understood that the glass blank cover is arranged on the bending groove 501 to form the negative pressure cavity 502, that is, when the graphite mold 500 is vacuumized away from one side of the bending groove 501, negative pressure can be well formed in the negative pressure cavity 502, and as the periphery of the glass blank is positioned on the periphery of the bending groove 501 and is abutted with the graphite mold 500, the whole glass blank can be well adsorbed by the graphite mold 500 when the glass blank is subjected to hot bending treatment, and further, under the operation of a general curved glass hot pressing process, the adsorption deformation of the glass blank can be well realized and is tightly attached to the surface of the graphite mold 500, so that the processing effect of the curved glass is well ensured under the condition of simpler curved glass processing operation.

Referring to fig. 10 to 11, in some embodiments, the bottom bracket 312 is provided with a placement groove 302, and the graphite mold 500 is placed in the placement groove 302, so as to further improve the placement stability of the graphite mold 500.

Referring to fig. 10 to 12, in some embodiments, the bottom bracket 312 is further provided with an air inlet 303, an air outlet 304 and a communication channel 305, the air inlet 303 and the air outlet 304 are both communicated with the communication channel 305, the graphite mold 500 is detachably connected to the bottom bracket 312 to form an air pumping chamber 503, the air pumping chamber 503 is communicated with the air inlet 303, and the air outlet 304 is disposed in a space-free manner with the graphite mold 500. Further, the graphite mold 500 is detachably connected to the placement groove 302 to form the air pumping chamber 503. It can be appreciated that the air inlet 303, the air outlet 304 and the communication channel 305 are disposed on the bottom bracket 312, and the air inlet 303 is communicated with the air suction cavity 503 at the position of the graphite mold 500, so that the smoothness of forming the negative pressure state at the negative pressure cavity 502 of the graphite mold 500 is better ensured, and the convenience of using the curved glass hot bending apparatus 10 is improved.

In some of these embodiments, the placement groove is used to place at least two graphite molds. Further, the communication channel comprises a main flow channel and at least two branch flow channels, the main flow channel is communicated with the air outlet, and each branch flow channel is communicated with the main flow channel; the number of the air inlets is at least two, and the at least two branch flow channels are communicated with the at least two air inlets in a one-to-one correspondence manner. Further, at least two air inlets are communicated with the air pumping chambers of at least two graphite molds in a one-to-one correspondence. The hot bending processing efficiency of the glass blank is improved.

Referring to fig. 1 to 3, in some embodiments, the forming mechanism 420 includes a vacuum pumping assembly 421, the vacuum pumping assembly 421 is connected to the hot bending furnace chamber 200, the vacuum pumping assembly 421 is disposed corresponding to the bottom bracket 312, and the vacuum pumping assembly 421 is movably connected to the air outlet 304, so as to pump air from the communication channel 305 through the air outlet 304, thereby sequentially forming the negative pressure of the pumping chamber 503 and the negative pressure chamber 502. The vacuum suction assembly 421 in the forming mechanism 420 cooperates with the bottom bracket 312 and the graphite mold 500 to perform vacuum suction bending on the glass blank, so as to effectively form the glass blank.

Referring to fig. 1 to 3, in some embodiments, the vacuum pumping assembly 421 includes a fixing frame 4211 and a pumping tube 4212, the fixing frame 4211 is installed on the hot bending furnace chamber 200, the fixing frame 4211 is disposed corresponding to the bottom bracket 312, the pumping tube 4212 is movably connected to the fixing frame 4211, the pumping tube 4212 is used for communicating with a pumping pump, and the pumping tube 4212 is movably communicated with the air outlet 304.

Referring to fig. 1-3, in some embodiments, the vacuum pumping assembly 421 further includes a pump (not shown) mounted on the frame 4211 or the hot-bending furnace chamber 200, and the pump is in communication with the pumping tube 4212.

Referring to fig. 1 to 3, in some embodiments, the vacuum pumping assembly 421 further includes a lift driving member 4213, the lift driving member 4213 is mounted on the fixing frame 4211, and a power output end of the lift driving member 4213 is connected to the pumping tube 4212, and the lift driving member 4213 drives the pumping tube 4212 to move towards or away from the bottom bracket 312. Further, when the lift driving member 4213 drives the suction pipe 4212 to move toward the bottom bracket 312 to contact the bottom bracket 312, the other end of the suction pipe 4212 communicates with the air outlet 304. It can be appreciated that the lifting driving member 4213 drives the exhaust tube 4212 to move towards the direction approaching or separating from the bottom bracket 312, so that the mechanical interference of the vacuum exhaust assembly 421 to the rotation of the reflow tray 310 is reduced, the structure is simple, and the matching application effect of the vacuum exhaust assembly 421 in the automatic processing of the glass blank in the processing mode of circumferential transmission is well ensured.

Referring to fig. 1 to 3, in some embodiments, a sealing ring 4214 is disposed on a peripheral wall of the exhaust tube 4212. Further, when one end of the exhaust tube 4212 is communicated with the air outlet 304, the sealing ring 4214 is clamped between the bottom bracket 312 and the outer wall of the exhaust tube 4212, so that the forming speed and smoothness of the negative pressure state of the negative pressure cavity 502 of the graphite mold 500 are improved.

Referring to fig. 3 and 15, in some embodiments, the forming mechanism 420 includes a straight heating mechanism 422. Further, the direct heating mechanism 422 includes a radiant electric heating plate 4221 and a power supply member 4222, the radiant electric heating plate 4221 is connected to the hot bending furnace chamber 200, and the radiant electric heating plate 4221 is disposed opposite to the corresponding graphite mold 500; the power supply member 4222 is connected to the hot bending furnace chamber 200 or the mounting table 100, and the power supply member 4222 is at least partially located in the hot bending furnace chamber 200 and electrically connected to the radiant electric heating plate 4221; further, the bottom bracket 312 and the radiant electric heating plate 4221 are sequentially linearly arranged in the gravity direction. Further, the bottom bracket is a high purity graphite bottom bracket, i.e., the bottom bracket 312 made of high purity graphite has better thermal conductivity. Further, a radiant electric heating plate 4221 is connected to the hot bending furnace chamber 200 in an insulating manner. It can be appreciated that, in the gravity direction, the bottom bracket 312 and the radiant electric heating plate 4221 are sequentially arranged linearly, and the graphite mold 500 is placed on the bottom bracket 312, so that when the radiant electric heating plate 4221 performs radiant heating on the bottom bracket 312, the bottom bracket 312 can effectively improve the heat conduction efficiency during preheating, and the bottom bracket 312 buffers the addition of the graphite mold 500, that is, after the temperature of the bottom bracket 312 rises, the temperature of the graphite mold 500 rises further through heat conduction, so that the slow temperature rise of the glass blank in the graphite mold 500 is realized, and the preparation effect of the curved glass is ensured.

It should be noted that, the radiant electric heating plate is generally composed of an electric heating element, a radiant panel and a controller, the electric heating element is a main part of the whole system, and can generate heat energy by using electric energy; the radiation plate is usually made of metal and is capable of radiating heat energy; the controller is used for adjusting the heating power and the temperature of the electric heating element, so that the heating capacity of the electric heating plate can be adjusted according to the requirement. The application does not limit and protect the structure of the radiant electric heating plate, and only aims at protecting the position relation and the connection relation of the radiant electric heating plate; the power supply part is a power supply structure commonly used for supplying power to the radiant electric heating plate, so the structure of the power supply part is not repeated. The power supply piece is placed on the ground and is arranged corresponding to the radiant electric heating plate when the bottom bracket is subjected to radiant heating, and the structure of the power supply piece is not limited and protected, and only the structural relation and the positional relation of the power supply piece are protected.

Referring to fig. 1, 13 and 15, in one embodiment, the hot bending structure 400 further includes a feeding and discharging mechanism 440, the feeding and discharging mechanism 440 is disposed between the cooling mechanism 430 and the preheating mechanism 410, and the feeding and discharging mechanism 440, together with the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430, are sequentially disposed on the hot bending chamber 200 along the transmission direction of the turntable transmission structure 300. Further, the number of the molds 500 is four, the four molds 500 are respectively arranged in one-to-one correspondence with the feeding and discharging mechanism 440, the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430, and the four molds 500 are sequentially arranged on the turntable transmission structure 300 along the transmission direction of the turntable transmission structure 300.

Referring to fig. 10, 13 and 15, in some embodiments, the bottom bracket 312 is slidably coupled to the turntable stiffener 311. Further, the sliding direction of the bottom bracket 312 on the turntable rigid 311 intersects with the horizontal direction. Further, an upper feed port 201 and a lower feed port 201 are formed in the hot bending furnace chamber 200; the feeding and discharging mechanism 440 comprises a hinge type gate 441, an upper and lower material frame 442, a gate lifting driving piece 443 and a push plate 444, wherein the hinge type gate 441 is arranged between the preheating mechanism 410 and the cooling mechanism 430, the hinge type gate 441 is connected to the outer wall of the hot bending furnace chamber 200, at least part of the hinge type gate 441 is covered on the upper and lower material frame 201, a gas circulation port 401 is formed in the hinge type gate 441, the gas circulation port 401 is communicated with the upper and lower material frame 201 when the hinge type gate 441 is covered on the upper and lower material frame 201, the upper and lower material frame 442 is arranged in the hot bending furnace chamber 200, the inner wall of the upper and lower material frame 442 is arranged around the periphery of the upper and lower material frame 201, one end of the upper and lower material frame 442 is connected with the inner wall of the hot bending furnace chamber 200 to form an upper and lower material frame 402, the upper and lower material frames 402 are communicated with the upper and lower material frames 201, and the bottom bracket 312 is positioned at the other end of the upper and lower material frame 442; the gate lifting driving member 443 is connected to the hot bending furnace chamber 200 or the mounting table 100, and the power output end of the gate lifting driving member 443 is at least partially positioned in the hot bending furnace chamber 200 and connected to the push plate 444, and the gate lifting driving member 443 drives the push plate 444 to move in a direction approaching or separating from the bottom bracket 312; the gate lifting driving member 443 drives the push plate 444 to move to abut against the end of the bottom bracket 312, and further pushes the push plate 444 to push the bottom bracket 312 to abut against the upper and lower material frames 442, so that the bottom bracket 312 seals the notch of the upper and lower material slots 402. Further, the turntable rigid part 311 is provided with a sliding rail, and the bottom bracket 312 is slidably connected to the turntable rigid part 311 through the sliding rail. Further, the number of the gas flow openings 401 is two or more, and at least the gas flow openings 401 can be simultaneously allowed to simultaneously exhaust and charge gas. Further, the gate lifting driving member 443 drives the bottom bracket 312 to move to be closely abutted against the end portions of the upper and lower frames 442, so that the upper and lower sealing rings are clamped between the bottom bracket 312 and the end portions of the upper and lower frames 442 to achieve the close abutment between the bottom bracket 312 and the upper and lower frames 442.

It can be understood that, one end of the upper and lower material frame 442 is connected with the inner wall of the hot bending furnace chamber 200 to form the upper and lower material tanks 402, the gate lifting driving member 443 drives the push plate 444 to move to be abutted against the end of the bottom bracket 312, and further pushes the push plate 444 to push the bottom bracket 312 to be abutted against the upper and lower material frame 442, so that the bottom bracket 312 is plugged at the notch of the upper and lower material tanks 402, and at least part of the hinge gate 441 is covered on the upper and lower material tanks 201, so that the sealing of the upper and lower material tanks 402 is realized, and the upper and lower material tanks 402 only can accommodate the graphite mold 500, thereby being beneficial to realizing the miniaturization of the recovery area of the gas environment, and further realizing the reduction of the processing cost under the condition of maintaining the stability of the gas environment; further, after recovering the gas environment of the loading and unloading Cao Cao, the gate lifting driving member 443 drives the push plate 444 to move in a direction away from the loading and unloading frame 442, so that the bottom bracket 312 can be separated from the loading and unloading frame 442, and at this time, the graphite mold 500 can drive the glass blank to perform the hot bending treatment in the hot bending furnace chamber.

Referring to fig. 10, 13 and 15, in some embodiments, the hinged gate 441 is opened manually, or the hinged gate 441 is opened by a gate drive mechanism 445. Further, the hinge-type shutter 441 is provided with a clearance area 403; the gate driving mechanism 445 includes a gate driving member 4451, a first transition switching member 4452 and a second transition switching member 4453, the gate driving member 4451 is disposed on the outer wall of the hot-bending furnace chamber 200, the power output end of the gate driving member 4451 is connected with one end of the first transition switching member 4452, the other end of the first transition switching member 4452 is rotatably connected with one end of the second transition switching member 4453, the other end of the second transition switching member 4453 is rotatably connected with the hinge-type gate 441, the first transition switching member 4452 and the second transition switching member 4453 are arranged in a foldable manner, the second transition switching member 4453 and the hinge-type gate 441 are arranged in a foldable manner, the first transition switching member 4452 and the second transition switching member 4453 are arranged in a gap-avoiding manner through the gap 403, and the gate driving member 4451 drives the first transition switching member 4452 to move toward a direction away from or approaching the junction of the hinge-type gate 441 and the hot-bending furnace chamber 200. Further, one end of the first transition adapter is rotatably connected with one end of the second transition adapter through a first bearing. Further, one end of the second transition adapter is rotatably connected with the hinge type gate through a second bearing. It can be understood that the hinge type gate 441 is a gate that uses a hinge as a pivot to realize opening and closing, and the gate driving member 4451 is integrally and obliquely mounted on the hinge type gate 441, and the power output end of the gate driving member 4451 is disposed on the opening and closing track of the hinge type gate 441, so as to further realize opening and closing of the hinge type gate 441, thereby being beneficial to improving the structural compactness of the curved glass hot bending device 10.

Referring to fig. 1, fig. 6 and fig. 15 together, in one embodiment, the preheating mechanism 410 includes a first preheating component 411, a second preheating component 412 and a third preheating component 413, and the first preheating component 411, the second preheating component 412, the third preheating component 413, the forming mechanism 420 and the cooling mechanism 430 are sequentially disposed on the hot bending furnace chamber 200 along the transmission direction of the turntable transmission structure 300. Further, the number of the molds 500 is five, the five molds 500 are respectively arranged in one-to-one correspondence with the first preheating component 411, the second preheating component 412, the third preheating component 413, the forming mechanism 420 and the cooling mechanism 430, and the five molds 500 are sequentially arranged on the turntable transmission structure 300 along the transmission direction of the turntable transmission structure 300. Further, the forming mechanism 420, the first preheating component 411, the second preheating component 412 and the third preheating component 413 all comprise a direct heating mechanism 422, so that the slow temperature rise of the glass blank in the graphite mold 500 at the corresponding position is realized, and the preparation effect of the curved glass is ensured.

Referring to fig. 1, 6 and 13, in one embodiment, the cooling mechanism 430 includes a first cooling component 431, a second cooling component 432 and a third cooling component 433, and the preheating mechanism 410, the forming mechanism 420, the first cooling component 431, the second cooling component 432 and the third cooling component 433 are sequentially disposed on the hot bending furnace chamber 200 along the transmission direction of the turntable transmission structure 300. Further, the number of the molds 500 is five, the five molds 500 are respectively disposed in one-to-one correspondence with the preheating mechanism 410, the forming mechanism 420, the first cooling component 431, the second cooling component 432 and the third cooling component 433, and the five molds 500 are sequentially disposed on the turntable transmission structure 300 along the transmission direction of the turntable transmission structure 300.

Referring to fig. 1, 6 and 13, in some embodiments, the first cooling assembly 431, the second cooling assembly 432 and the third cooling assembly 433 each include a slow cooling mechanism 410a. Further, the slow cooling mechanism 410a includes a slow cooling driving member 4111 and a cooling plate 4112, the cooling plate 4112 is located in the hot-bending furnace chamber 200, the slow cooling driving member 4111 is connected to the hot-bending furnace chamber 200 or the mounting table 100, and the power output end of the slow cooling driving member 4111 is at least partially located in the hot-bending furnace chamber 200 and connected to the cooling plate 4112, and the bottom bracket 312 and the cooling plate 4112 are sequentially arranged linearly in the gravity direction; the slow cooling driving member 4111 drives the cooling plate 4112 to move in a direction approaching or separating from the bottom bracket 312, the cooling plate 4112 is disposed apart from the turntable rigid member 311, and the slow cooling driving member 4111 drives the cooling plate 4112 to move in a direction approaching the bottom bracket 312 to abut against the bottom bracket 312. It can be appreciated that the graphite mold 500 is placed on the bottom bracket 312, and the bottom bracket 312 and the cooling plate 4112 are sequentially and linearly arranged in the gravity direction, so that the slow cooling driving member 4111 drives the cooling plate 4112 to move to abut against the bottom bracket 312 in a direction close to the bottom bracket 312, so that the matching application effect of the slow cooling mechanism 410a for performing the automated processing of the glass blank in the circumferential transmission processing mode is better ensured, the fast cooling effect of the graphite mold 500 is better reduced by matching the bottom bracket 312, the cooling effect of the curved glass is better improved, in addition, the sliding direction of the matching bottom bracket 312 on the turntable rigid member 311 is intersected with the horizontal direction, so that the cooling plate 4112 can slide relative to the turntable rigid member 311 under the impact action of the cooling plate 4112 when the slow cooling driving member 4111 is driven to abut against the bottom bracket 312, the impact abrasion of the bottom bracket 312 is better reduced, the service life of the bottom bracket 312 is further improved, and the processing cost of the curved glass is reduced.

Referring to fig. 13 to 14, in some embodiments, a cooling plate 4112 is provided with a cooling water pipe 409 and two water through holes 4010, the two water through holes 4010 are respectively connected to two ends of the cooling water pipe 409, and the cooling water pipe 409 and the two water through holes 4010 are both disposed away from the slow cooling driving member 4111. Further, the cooling tower (not shown) is communicated with one water flow hole 4010, and the cooling tower is communicated with the circulating water pump (not shown), and the circulating water pump is communicated with the other water flow hole 4010, so that the cooling plate 4112 can effectively cool the bottom bracket 312.

Referring to fig. 1 to 2 together with fig. 4 to 5, in one embodiment, the hot bending structure 400 further includes at least three temperature monitoring mechanisms 450, the three temperature monitoring mechanisms 450 are disposed in a one-to-one correspondence with the three molds 500, each temperature monitoring mechanism 450 is disposed through the hot bending furnace chamber 200, and each temperature monitoring mechanism 450 is disposed towards the corresponding mold 500. Further, the temperature monitoring mechanism is a photoelectric temperature sensor (hereinafter, the photoelectric temperature sensor is also denoted by 450), so that the effective real-time monitoring of the temperature of the graphite mold 500 in the hot bending furnace chamber 200 is better ensured, and the processing effect of the curved glass is better ensured.

Referring to fig. 1 and fig. 6 together, in one embodiment, the hot bending structure 400 further includes at least one inert gas concentration detector 460, and the inert gas concentration detector 460 is disposed in the hot bending furnace chamber 200, so that effective real-time monitoring of the inert gas concentration in the hot bending furnace chamber 200 is better ensured, and further, the processing effect of the curved glass is better ensured.

Referring to fig. 1, 2 and 6, in one embodiment, the hot bend structure 400 further includes an inert gas flow mechanism 470. Further, the inert gas circulation mechanism 470 includes an inert gas input pipe 471 and an inert gas output pipe 472, both the inert gas input pipe 471 and the inert gas output pipe 472 are communicated with the hot bending furnace chamber 200, the inert gas input pipe 471 is used for communicating with an air pump, the inert gas output pipe 472 is used for communicating with a gas pressure release valve, and effective maintenance of the inert gas concentration in the hot bending furnace chamber 200 is better realized. Further, the number of inert gas input tubes 471 is the same as the number of photoelectric thermometric sensors, and at least one inert gas input tube 471 is arranged in one-to-one correspondence with at least one photoelectric thermometric sensor.

Referring to fig. 2, 4 and 5, in some embodiments, the inert gas input tube 471 is a straight tube, the extending direction of the inert gas input tube 471 is the same as the orientation of the graphite mold 500 placed on the bottom bracket 312, and the inert gas input tube 471 is at least partially located outside the hot bending furnace chamber 200, any one of the photoelectric temperature sensors 450 is disposed at the corresponding inert gas input tube 471 located outside the hot bending furnace chamber 200, the photoelectric temperature sensor 450 is disposed towards the graphite mold 500 placed on the bottom bracket 312 in the hot bending furnace chamber 200, and the air pump (not shown) and the photoelectric temperature sensor 450 are disposed in a avoiding position. It can be understood that, any photoelectric temperature measuring sensor 450 is arranged outside the hot bending furnace chamber 200 and is located at the corresponding inert gas input pipe 471, so that the inert gas input at the inert gas input pipe 471 can realize the reduction of the temperature of the photoelectric temperature measuring sensor 450 at the inert gas input pipe 471, that is, the temperature of the position where the photoelectric temperature measuring sensor 450 is located is lower than the temperature in the hot bending furnace chamber 200, and the photoelectric temperature measuring sensor 450 is matched with the graphite mold 500 arranged towards the hot bending furnace chamber 200, so that the photoelectric temperature measuring sensor 450 can realize the effective real-time monitoring of the temperature of the graphite mold 500 at a lower temperature, thereby reducing the influence of the monitoring accuracy of the high Wen Duiguang electric temperature measuring sensor 450 of the hot bending furnace chamber 200, that is, under the condition of ensuring lower processing cost of curved glass, improving the detection accuracy of the temperature in the hot bending furnace chamber 200.

Referring to fig. 2, 4 and 5, in some embodiments, the photoelectric temperature sensor 450 is connected to the inner wall of the inert gas input tube 471 through the limiting seat 473, the limiting seat 473 is provided with the through hole 405, the through hole 405 is communicated with the inert gas input tube 471, and the through hole 405 is located away from the photoelectric temperature sensor 450, so as to improve the installation stability of the photoelectric temperature sensor 450, further reduce the temperature at the photoelectric temperature sensor 450, and further improve the detection accuracy of the temperature in the hot bending furnace chamber 200.

Referring to fig. 2, fig. 4 and fig. 5, in some embodiments, the limiting seat 473 includes a first seat 4731 and a second seat 4732 that are connected in a stacked manner, the flow hole 405 is partially formed in the first seat 4731, the other portion of the flow hole 405 is formed in the second seat 4732, the first seat 4731 is sleeved on the photoelectric temperature sensor 450, and the outer periphery of the first seat 4731 is connected with the inner wall of the inert gas input tube 471; the first seat 4731 is further provided with a first inner flow hole 404; the second seat 4732 is further provided with a void-avoiding groove 406 and a second inner flow hole 407, the first seat 4731 is covered on the void-avoiding groove 406 to form an inner flow cavity 408, the first inner flow hole 404 is communicated with the inner flow cavity 408, the second inner flow hole 407 is communicated with the inner flow cavity 408, and the lens of the photoelectric temperature sensor 450 is located at the inner flow cavity 408 or the second inner flow hole 407. Further, the first seat body is tightly laminated and connected with the second seat body through a sealing rubber ring or an adhesive layer. It can be appreciated that the arrangement of the first inner flow hole 404 and the second inner flow hole 407 further better ensures sufficient contact between the input inert gas and the surface of the optoelectronic temperature measuring sensor 450, thereby better realizing effective reduction of the temperature at the optoelectronic temperature measuring sensor 450.

Referring to fig. 2, fig. 4 and fig. 5 together, in some embodiments, the lens of the photoelectric temperature sensor 450 is located at the second inner flow hole 407, and the aperture from the end of the second inner flow hole 407 to the position adjacent to the lens is gradually reduced, so that the lens of the photoelectric temperature sensor 450 is cleaned by the inert gas, and the accuracy of real-time monitoring of the surface temperature of the mold 500 by the photoelectric temperature sensor 450 is better improved.

Referring to fig. 13, in one embodiment, the hot bending furnace chamber 200 is provided with a heat insulation layer 210, the heat insulation layer 210 is connected to the inner wall of the hot bending furnace chamber 200 to form a heat insulation area 202, the heat insulation layer 210 is respectively corresponding to the preheating mechanism 410 and the forming mechanism 420, and the mold 500 corresponding to the preheating mechanism 410 and the forming mechanism 420 is located at the heat insulation area 202, so that the heat insulation effect of the preheating mechanism 410 and the forming mechanism 420 is improved, the heat transfer of the temperature of the preheating mechanism 410 and the forming mechanism 420 to the overall temperature of the curved glass hot bending apparatus 10 is reduced, and the operation stability of the curved glass hot bending apparatus 10 is further improved.

Referring to fig. 7, 10 and 15, in one embodiment, the hot bending furnace chamber 200 is provided with at least one window 203, a sealing body 220 is covered on the window 203, and the sealing body 220 is detachably and tightly connected with the hot bending furnace chamber 200. It should be noted that, the detachable tight connection of the sealing body 220 and the hot bending furnace chamber 200 may be understood as: the sealing body 220 is detachably connected with the hot bending furnace chamber 200, and when the sealing body 220 is connected to the hot bending furnace chamber 200, the sealing member is tightly connected with the hot bending furnace chamber 200, so that the sealing member seals the window 203 of the furnace chamber body to promote the hot bending furnace chamber 200 to form a relatively sealed chamber, which is beneficial to convenient maintenance of various components in the hot bending furnace chamber 200.

the curved glass hot bending device 10 of the invention enables three dies 500 to be respectively and correspondingly arranged with the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430 one by one, and is matched with the three dies 500 to be sequentially arranged on the turntable transmission structure 300 along the transmission direction of the turntable transmission structure 300, and the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430 are sequentially arranged on the hot bending furnace chamber 200 along the transmission direction of the turntable transmission structure 300, so that the curved glass is subjected to reflux processing treatment in a circumferential transmission manner, further the automation of special-shaped curved glass is realized, the addition of a reflux line is avoided, the miniaturization of the integral structure of the curved glass hot bending device 10 is effectively realized by matching with the preheating mechanism 410, the forming mechanism 420 and the cooling mechanism 430 which are sequentially and circumferentially arranged in the hot bending furnace chamber 200, namely, the occupation area of the curved glass hot bending device 10 is smaller, and the usability of the curved glass hot bending device 10 on different scenes is better improved.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A curved glass hot bending apparatus, comprising:

a mounting table;

the hot bending furnace chamber is arranged on the mounting table;

2. The curved glass hot bending apparatus according to claim 1, wherein the hot bending structure further comprises a feeding and discharging mechanism, the feeding and discharging mechanism is arranged between the cooling mechanism and the preheating mechanism, and the feeding and discharging mechanism, together with the preheating mechanism, the forming mechanism and the cooling mechanism, are sequentially arranged on the hot bending furnace chamber along the transmission direction of the turntable transmission structure;

3. The curved glass hot bending apparatus according to claim 1, wherein the preheating mechanism comprises a first preheating component, a second preheating component and a third preheating component, the first preheating component, the second preheating component, the third preheating component, the forming mechanism and the cooling mechanism being sequentially disposed on the hot bending furnace chamber along a transmission direction of the turntable transmission structure;

4. The curved glass hot bending apparatus according to claim 1, wherein the cooling mechanism comprises a first cooling assembly, a second cooling assembly and a third cooling assembly, and the preheating mechanism, the forming mechanism, the first cooling assembly, the second cooling assembly and the third cooling assembly are sequentially disposed on the hot bending furnace chamber along a transmission direction of the turntable transmission structure;

5. The apparatus for hot bending curved glass according to claim 1, wherein said hot bending structure further comprises at least three temperature monitoring mechanisms, three of said temperature monitoring mechanisms being disposed in one-to-one correspondence with three of said molds, each of said temperature monitoring mechanisms being disposed through said hot bending furnace chamber, and each of said temperature monitoring mechanisms being disposed toward a corresponding one of said molds.

6. The apparatus for hot bending curved glass according to claim 1, wherein said hot bending structure further comprises at least one inert gas concentration detector, said inert gas concentration detector being disposed within said hot bending furnace chamber.

7. The apparatus for hot bending a curved glass according to claim 1, wherein the hot bending structure further comprises an inert gas circulation mechanism;

8. The apparatus for hot bending a curved glass according to claim 1, wherein the mold is a graphite mold.

9. The curved glass hot bending apparatus according to claim 1, wherein the hot bending furnace chamber is provided with a heat-insulating layer, the heat-insulating layer is connected to an inner wall of the hot bending furnace chamber to form a heat-insulating region, and the heat-insulating layer is disposed corresponding to the preheating mechanism and the forming mechanism, respectively, and the mold disposed corresponding to the preheating mechanism and the forming mechanism is disposed at the heat-insulating region.

10. The curved glass hot bending apparatus according to claim 1, wherein the hot bending furnace chamber is provided with at least one window, the window is covered with a sealing body, and the sealing body is detachably and tightly connected with the hot bending furnace chamber.