CN107879607B - Hot bending processing method of 3D curved surface glass hot bending machine - Google Patents
Hot bending processing method of 3D curved surface glass hot bending machine Download PDFInfo
- Publication number
- CN107879607B CN107879607B CN201711317949.4A CN201711317949A CN107879607B CN 107879607 B CN107879607 B CN 107879607B CN 201711317949 A CN201711317949 A CN 201711317949A CN 107879607 B CN107879607 B CN 107879607B
- Authority
- CN
- China
- Prior art keywords
- vacuum chamber
- feeding
- mold
- blanking
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a 3D curved surface glass hot bending machine, which comprises a feeding replacement vacuum chamber, a fully sealed furnace chamber, a discharging replacement vacuum chamber and a graphite mold; the invention relates to a hot bending furnace chamber with a full-sealing structure, wherein high-purity nitrogen is introduced into the furnace chamber, a feed inlet and a discharge outlet of the furnace chamber are respectively provided with a vacuum chamber, each vacuum chamber is provided with 2 sealing gates, the 2 gates are respectively communicated with the furnace chamber and the outside and are used as passages for a mold to enter the vacuum chamber and a mold to enter the furnace chamber from the vacuum chamber, and the mold finishes the replacement of protective gas and air in the vacuum chamber before entering and exiting the furnace chamber so as to prevent the outside air from entering the mold and the; the invention can greatly reduce the oxygen content in the hot bending furnace cavity and the mold cavity, prolong the service life of the mold and the hot bending machine key high-temperature part, improve the product quality and reduce the manufacturing cost.
Description
Technical Field
The invention belongs to the technical field of curved glass forming, and particularly relates to a hot bending processing method of a 3D curved glass hot bending machine.
Background
At present, most of 3D curved glass hot bending machines in China mostly adopt graphite materials to manufacture moulds because the temperature is as high as 650 plus 850 ℃ or even higher in the process of curved glass hot bending; during hot bending, the glass flat sheet is placed in a mold cavity, and then the mold is conveyed into a hot bending furnace through a conveying mechanism for hot bending. In order to reduce the oxidation of the die and parts caused by the high-temperature environment, nitrogen with the purity of more than 99.99 percent is filled in the hot bending furnace to be used as protective gas; even if the method is adopted, air in the mold cavity cannot be completely removed, and air leaked into the furnace cavity when the furnace door is opened and closed, so that the oxygen content in the furnace cavity is increased, the oxidation process of the mold and high-temperature parts at high temperature is accelerated, the service lives of the mold and the high-temperature parts are shortened, the product quality is influenced, and the yield of a single set of mold are reduced; the graphite mold and the high temperature resistant parts are expensive, which causes the increase of production cost and the waste of materials.
Disclosure of Invention
The invention aims to provide a hot bending processing method of a 3D curved glass hot bending machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a hot bending processing method of a 3D curved glass hot bending machine adopts 3D curved glass hot bending machine as equipment, and the specific structure of the 3D curved glass hot bending machine is as follows:
comprises a loading displacement vacuum chamber, a fully sealed furnace chamber, a discharging displacement vacuum chamber and a graphite mold;
the blanking replacement vacuum chamber is arranged on one side of the left end of the fully-sealed furnace chamber, the loading replacement vacuum chamber is arranged on one side of the right end of the fully-sealed furnace chamber, and a graphite mold is arranged in the middle of the fully-sealed furnace chamber, which is close to the same side of the loading replacement vacuum chamber and the blanking replacement vacuum chamber;
the feeding displacement vacuum chamber comprises a feeding sealing gate, a gate opening and closing mechanism, a feeding nitrogen gas filling opening, a feeding vacuum chamber, a mold propelling device, a feeding mold tray, a feeding vacuum chamber door opening and closing device and a vacuum pumping hole, wherein the feeding nitrogen gas filling opening is arranged on the upper surface of the feeding vacuum chamber;
the upper part of the full-sealed furnace chamber comprises a mould pushing mechanism, a nitrogen charging port, a first preheating station, a second preheating station, a third preheating station, a fourth preheating station, a first forming station, a second forming station, a third forming station, a first slow cooling station, a second slow cooling station, a first cooling station, a second cooling station and a third cooling station, the mold ejecting mechanism is installed on one side wall of the fully-sealed furnace chamber, four nitrogen gas charging openings are formed in the upper surface of the fully-sealed furnace chamber, and the first preheating station, the second preheating station, the third preheating station, the fourth preheating station, the first forming station, the second forming station, the third forming station, the first slow cooling station, the second slow cooling station, the first cooling station, the second cooling station and the third cooling station are sequentially installed on the upper surface of the fully-sealed furnace chamber from right to left and are far away from the nitrogen gas charging openings; the blanking replacement vacuum chamber comprises a blanking sealing gate, a gate opening and closing device, a blanking nitrogen gas filling port, a blanking vacuum chamber, a mold discharging device, a blanking mold tray, a blanking vacuum chamber door, a gate opening and closing device and a vacuum pumping port, wherein the gate opening and closing device is arranged above the blanking vacuum chamber, the bottom end of the gate opening and closing device is provided with a blanking sealing gate, the bottom of the blanking vacuum chamber is provided with a blanking vacuum chamber door, the blanking mold tray is arranged above the blanking vacuum chamber door, the blanking vacuum chamber door opening and closing device is arranged below the blanking vacuum chamber door, the mold discharging device is arranged on one side of the blanking vacuum chamber, and the vacuum pumping port is arranged at the upper end of one side of the blanking vacuum;
the body of the fully-sealed furnace chamber consists of a furnace chamber sealing bottom plate, a furnace chamber sealing side wall, a mold conveying mechanism, a nitrogen outlet valve and a sensor interface, wherein the furnace chamber sealing bottom plate is arranged at the bottom of the furnace chamber sealing side wall;
the four nitrogen charging inlets are arranged on the upper surface of the fully-sealed furnace chamber at equal intervals;
the feeding end of the feeding displacement vacuum chamber is connected with the initial conveying end of the mold conveying mechanism;
the discharging end of the discharging displacement vacuum chamber is connected with the conveying tail end of the mold conveying mechanism;
the hot bending processing method comprises the following steps:
before hot bending begins, protective gas is introduced through the nitrogen charging inlet, positive pressure relative to the external atmosphere is kept, the nitrogen outlet valve is opened, and the exhaust amount is adjusted as required; and the feeding sealing gate and the discharging sealing gate connected with the feeding vacuum chamber, the discharging vacuum chamber and the furnace chamber are ensured to be completely closed and well sealed;
before the graphite mold enters the feeding replacement vacuum chamber, the feeding sealing gate is closed, the door of the feeding vacuum chamber is opened, the graphite mold is placed on a feeding mold tray through a transmission mechanism or a manual mode, the feeding vacuum chamber is closed, and the mold is sealed in the vacuum chamber; vacuumizing the feeding displacement vacuum chamber through a vacuum pumping hole, removing air in the vacuum chamber and the graphite mold, and introducing protective gas through a feeding nitrogen charging port; then opening a feeding sealing gate, pushing the graphite mold into the heating furnace chamber through a mold pushing device, closing the feeding sealing gate, and waiting for next cycle feeding of the feeding replacement vacuum chamber;
after entering a hot bending furnace chamber, the die is sequentially transferred through a first preheating station, a second preheating station, a third preheating station, a fourth preheating station, a first forming station, a second forming station, a third forming station, a first slow cooling station, a second slow cooling station, a first cooling station, a second cooling station and a third cooling station by a die conveying mechanism to complete hot bending;
before the mold finishes hot bending in a furnace chamber to prepare discharging, a discharging sealing gate and a discharging vacuum chamber door of a discharging replacement vacuum chamber are closed and well sealed, a vacuum system is opened, the vacuum chamber is vacuumized through a vacuum pumping hole, and after the vacuum chamber is vacuumized, protective gas is filled into the vacuum chamber through a discharging nitrogen filling hole;
opening a blanking sealing gate, moving the die into the blanking replacement vacuum chamber from the full-sealed furnace chamber by a die pushing mechanism, and then closing the blanking sealing gate;
opening a door of the blanking vacuum chamber, moving the graphite mold to a discharging position through a blanking mold tray, and moving the graphite mold out of the vacuum chamber from the blanking mold tray through a mold discharging device; and closing the blanking vacuum chamber door, vacuumizing the chamber, filling protective gas into the chamber, and waiting for the next circular discharging of the heating furnace chamber.
As a further improvement of the above technical solution:
the protective gas is nitrogen with the purity of more than 99.99 percent;
the loading vacuum chamber door and the unloading vacuum chamber door of the vacuum replacement chamber can be opened and closed horizontally along the vertical direction or vertically along the vertical direction.
Compared with the prior art, the invention has the beneficial effects that:
the device adopted by the invention is provided with a hot bending furnace chamber with a full sealing structure, high-purity nitrogen is introduced into the furnace chamber, a feed inlet and a discharge outlet of the furnace chamber are respectively provided with a vacuum chamber, each vacuum chamber is provided with 2 sealing gates, the 2 gates are respectively communicated with the furnace chamber and the outside and are used as passages for the mold to enter the vacuum chamber and the mold to enter the furnace chamber from the vacuum chamber, and the mold finishes the replacement of protective gas and air in the vacuum chamber before entering and exiting the furnace chamber, so that the outside air is prevented from entering the mold and the; the hot bending processing method can greatly reduce the oxygen content in the hot bending furnace cavity and the mold cavity, prolong the service life of the mold and the hot bending machine key high-temperature part, improve the product quality and reduce the manufacturing cost.
Drawings
FIG. 1 is a schematic structural view of a vacuum replacement 3D curved glass hot bending machine according to the present invention;
FIG. 2 is a process flow diagram of the vacuum heat exchange bending machine of the present invention;
FIG. 3 is a block diagram of a load lock chamber according to the present invention;
FIG. 4 is a schematic view of the vacuum chamber for discharging and replacing the present invention;
FIG. 5 is a structural view of a hermetically sealed furnace chamber according to the present invention;
in the figure: 1. a charging displacement vacuum chamber; 101. feeding and sealing the gate; 102. a gate opening and closing mechanism; 103. a feeding nitrogen charging port; 104. a feeding vacuum chamber; 105. a mold advancing device; 106. a feeding mold tray; 107. a loading vacuum chamber door; 108. an opening and closing device of the loading vacuum chamber door; 109. a vacuum air exhaust hole; 2. a fully sealed furnace chamber; 201. a furnace chamber sealing bottom plate; 202. a sealed side wall of the furnace chamber; 203. a mold transfer mechanism; 204. a mold ejecting mechanism; 205. a nitrogen charging port; 206. a nitrogen outlet valve; 207. a sensor interface; 208. a first pre-heating station; 209. a second preheating station; 210. a third preheating station; 211. a fourth preheating station; 212. a first forming station; 213. a second forming station; 214. a third forming station; 215. a first slow cooling station; 216. a second slow cooling station; 217. a first cooling station; 218. a second cooling station; 219. a third cooling station; 3. discharging and replacing the vacuum chamber; 301. blanking and sealing the gate; 302. a gate opening and closing device; 303. a feeding nitrogen charging port; 304. a blanking vacuum chamber; 305. a mold ejection device; 306. blanking a mould tray; 307. a blanking vacuum chamber door; 308. an opening and closing device of the blanking vacuum chamber door; 309. a vacuum pumping port; 4. a graphite mold.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the 3D curved glass hot bending machine adopted in the hot bending processing method of the present invention includes a feeding replacement vacuum chamber 1, a fully sealed furnace chamber 2, a discharging replacement vacuum chamber 3, and a graphite mold 4, wherein the discharging replacement vacuum chamber 3 is installed at one side of the left end of the fully sealed furnace chamber 2, the feeding replacement vacuum chamber 1 is installed at one side of the right end of the fully sealed furnace chamber 2, and the graphite mold 4 is arranged in the middle of the fully sealed furnace chamber 2 near the same side of the feeding replacement vacuum chamber 1 and the discharging replacement vacuum chamber 3;
the charging replacement vacuum chamber 1 comprises a charging sealing gate 101, a gate opening and closing mechanism 102, a charging nitrogen charging inlet 103, a charging vacuum chamber 104, a mold propelling device 105, a charging mold tray 106, a charging vacuum chamber door 107, a charging vacuum chamber door opening and closing device 108 and a vacuum pumping hole 109, the feeding nitrogen charging port 103 is arranged on the upper surface of the feeding vacuum chamber 104, a gate opening and closing mechanism 102 is arranged on one side above the feeding vacuum chamber 104, a mold pushing device 105 is fixed on the right side of the feeding vacuum chamber 104, a feeding vacuum chamber door 107 is arranged at the bottom of the feeding vacuum chamber 104, a feeding mold tray 106 is arranged above the feeding vacuum chamber door 107, a feeding vacuum chamber door opening and closing device 108 is installed at the position of the feeding vacuum chamber door 107, a feeding sealing gate 101 is arranged on the left side wall of the feeding vacuum chamber 104, and a vacuum pumping hole 109 is arranged on the side wall in front of the feeding vacuum chamber 104;
the upper part of the fully sealed furnace chamber 2 comprises a mold pushing mechanism 204, a nitrogen filling port 205, a first preheating station 208, a second preheating station 209, a third preheating station 210, a fourth preheating station 211, a first forming station 212, a second forming station 213, a third forming station 214, a first slow cooling station 215, a second slow cooling station 216, a first cooling station 217, a second cooling station 218 and a third cooling station 219, wherein the mold pushing mechanism 204 is arranged on one side wall of the fully sealed furnace chamber 2, the upper surface of the fully sealed furnace chamber 2 is provided with four nitrogen filling ports 205, the first preheating station 208, the second preheating station 209, the third preheating station 210, the fourth preheating station 211, the first forming station 212, the second forming station 213, the third forming station 214, the first slow cooling station 215, the second slow cooling station 216, the first cooling station 217, the second cooling station 218, The third cooling station 219 is sequentially installed on the upper surface of the fully-enclosed furnace chamber 2 from right to left at a position far away from the nitrogen charging port 205;
the blanking replacement vacuum chamber 3 comprises a blanking sealing gate 301, a gate opening and closing device 302, a blanking nitrogen gas filling opening 303, a blanking vacuum chamber 304, a mold discharging device 305, a blanking mold tray 306, a blanking vacuum chamber door 307, a blanking vacuum chamber door opening and closing device 308 and a vacuum pumping opening 309, wherein the gate opening and closing device 302 is arranged above the blanking vacuum chamber 304, the blanking sealing gate 301 is arranged at the bottom end of the gate opening and closing device 302, the blanking vacuum chamber door 307 is arranged at the bottom of the blanking vacuum chamber 304, the blanking mold tray 306 is arranged above the blanking vacuum chamber door 307, the blanking vacuum chamber door opening and closing device 308 is arranged below the blanking vacuum chamber door 307, the mold discharging device 305 is arranged on one side of the blanking vacuum chamber 304, and the vacuum pumping opening 309 is arranged at the upper end of one side, close to the mold.
In this embodiment, the body of the fully sealed furnace chamber 2 is composed of a furnace chamber sealing bottom plate 201, a furnace chamber sealing side wall 202, a mold conveying mechanism 203, a nitrogen outlet valve 206 and a sensor interface 207, the furnace chamber sealing bottom plate 201 is installed at the bottom of the furnace chamber sealing side wall 202, the mold conveying mechanism 203 is arranged above the furnace chamber sealing bottom plate 201, the sensor interface 207 is arranged at one end of the furnace chamber sealing side wall 202, and the nitrogen outlet valve 206 is arranged below the sensor interface 207.
In this embodiment, four nitrogen gas charging ports 205 are provided on the upper surface of the hermetically sealed furnace chamber 2 at equal intervals.
In this embodiment, the loading end of the loading replacement vacuum chamber 1 is connected to the transfer start end of the mold transfer mechanism 203.
In this embodiment, the discharging end of the discharging replacement vacuum chamber 3 is connected to the transfer end of the mold transfer mechanism 203.
The specific operation flow of the hot bending processing method provided by the invention is as follows:
as shown in fig. 5, before the hot bending starts, it is necessary to ensure that the protective gas is introduced through the nitrogen gas inlet 205 and maintain a positive pressure relative to the external atmosphere, open the nitrogen gas outlet valve 206, and adjust the exhaust amount as required; and the feeding sealing gate 101 and the discharging sealing gate 301 which are connected with the feeding vacuum chamber, the discharging vacuum chamber and the furnace chamber are ensured to be completely closed and well sealed;
FIG. 2 shows the process flow and the moving direction of the mold inside the hot bending machine;
as shown in fig. 3, before the graphite mold 4 enters the feeding replacement vacuum chamber 1, the feeding sealing gate 101 should be closed, the door 107 of the feeding vacuum chamber is opened, the graphite mold 4 is placed on the feeding mold tray 106 by a transmission mechanism or a manual method, the door 107 of the feeding vacuum chamber is closed, the mold is closed in the vacuum chamber, then the feeding replacement vacuum chamber 1 is vacuumized through the vacuum pumping hole 109, air inside the vacuum chamber and the graphite mold 4 is exhausted, then protective gas is introduced through the feeding nitrogen gas charging port 103, and the protective gas is preferably nitrogen gas with purity of more than 99.99%; then, the feeding sealing gate 101 is opened, the graphite mold 4 is pushed into the heating furnace chamber through the mold pushing device 105, the feeding sealing gate 101 is closed, and the feeding replacement vacuum chamber 1 waits for the next cycle of feeding;
as shown in fig. 5, after entering the hot bending furnace chamber, the mold is sequentially transferred by the mold transfer mechanism 203 through the first preheating station 208, the second preheating station 209, the third preheating station 210, the fourth preheating station 211, the first forming station 212, the second forming station 213, the third forming station 214, the first slow cooling station 215, the second slow cooling station 216, the first cooling station 217, the second cooling station 218, and the third cooling station 219 to complete the hot bending process.
As shown in fig. 4, before the mold is ready to be discharged after being heated and bent in the furnace chamber, the discharge sealing gate 301 and the discharge vacuum chamber door 307 of the discharge replacement vacuum chamber 3 should be closed and well sealed, the vacuum system is opened, the vacuum chamber is evacuated through the vacuum pumping port 309, and after evacuation is completed, the protective gas is filled into the vacuum chamber through the discharge nitrogen gas filling port 303. Then, the blanking sealing gate 301 is opened, the mold is moved into the blanking replacement vacuum chamber 3 from the fully sealed furnace chamber 2 by the mold pushing mechanism 204, and then the blanking sealing gate 301 is closed; opening the door 307 of the blanking vacuum chamber, moving the graphite mold 4 to the discharge position through the blanking mold tray 306, and moving the graphite mold 4 from the blanking mold tray 306 to the outside of the vacuum chamber by the mold ejector 305; the door 307 of the blanking vacuum chamber is closed, the chamber is vacuumized and filled with protective gas, and the next circulation discharging of the heating furnace chamber is waited;
the loading vacuum chamber door 107 and the unloading vacuum chamber door 307 in the vacuum replacement chamber embodiment are horizontally opened and closed in the vertical direction, and may be vertically opened and closed in the vertical direction.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A hot bending processing method of a 3D curved surface glass hot bending machine is characterized by comprising the following steps: the equipment used in the hot bending processing method is a 3D curved glass hot bending machine, and the specific structure of the 3D curved glass hot bending machine is as follows:
comprises a loading displacement vacuum chamber (1), a fully sealed furnace chamber (2), a discharging displacement vacuum chamber (3) and a graphite mold (4);
the blanking replacement vacuum chamber (3) is arranged on one side of the left end of the fully-sealed furnace chamber (2), the feeding replacement vacuum chamber (1) is arranged on one side of the right end of the fully-sealed furnace chamber (2), and a graphite mold (4) is arranged in the middle of the fully-sealed furnace chamber (2) close to the same side of the feeding replacement vacuum chamber (1) and the blanking replacement vacuum chamber (3);
the feeding replacement vacuum chamber (1) comprises a feeding sealing gate (101), a gate opening and closing mechanism (102), a feeding nitrogen gas filling opening (103), a feeding vacuum chamber (104), a mold pushing device (105), a feeding mold tray (106), a feeding vacuum chamber door (107), a feeding vacuum chamber door opening and closing device (108) and a vacuum pumping hole (109), wherein the feeding nitrogen gas filling opening (103) is arranged on the upper surface of the feeding vacuum chamber (104), the gate opening and closing mechanism (102) is arranged on one side above the feeding vacuum chamber (104), the mold pushing device (105) is fixed on the right side of the feeding vacuum chamber (104), the feeding vacuum chamber door (107) is arranged at the bottom of the feeding vacuum chamber (104), the feeding mold tray (106) is arranged above the feeding vacuum chamber door (107), and the feeding vacuum chamber door opening and closing device (108) is installed at the feeding vacuum chamber door (107), a feeding sealing gate (101) is arranged on the left side wall of the feeding vacuum chamber (104), and a vacuum pumping hole (109) is arranged on the side wall in front of the feeding vacuum chamber (104);
the upper part of the fully-sealed furnace chamber (2) comprises a mold ejecting mechanism (204), a nitrogen charging port (205), a first preheating station (208), a second preheating station (209), a third preheating station (210), a fourth preheating station (211), a first forming station (212), a second forming station (213), a third forming station (214), a first slow cooling station (215), a second slow cooling station (216), a first cooling station (217), a second cooling station (218) and a third cooling station (219), wherein the mold ejecting mechanism (204) is installed on one side wall of the fully-sealed furnace chamber (2), the upper surface of the fully-sealed furnace chamber (2) is provided with four nitrogen charging ports (205), the first preheating station (208), the second preheating station (209), the third preheating station (210), the fourth preheating station (211), the first forming station (212), The second forming station (213), the third forming station (214), the first slow cooling station (215), the second slow cooling station (216), the first cooling station (217), the second cooling station (218) and the third cooling station (219) are sequentially arranged on the upper surface of the fully-sealed furnace chamber (2) from right to left and are far away from the nitrogen gas charging port (205);
the blanking replacement vacuum chamber (3) comprises a blanking sealing gate (301), a gate opening and closing device (302), a blanking nitrogen gas filling opening (303), a blanking vacuum chamber (304), a mold discharging device (305), a blanking mold tray (306), a blanking vacuum chamber door (307), a blanking vacuum chamber door opening and closing device (308) and a vacuum pumping opening (309), wherein the gate opening and closing device (302) is arranged above the blanking vacuum chamber (304), the blanking sealing gate (301) is arranged at the bottom end of the gate opening and closing device (302), the blanking vacuum chamber door (307) is arranged at the bottom of the blanking vacuum chamber (304), the blanking mold tray (306) is arranged above the blanking vacuum chamber door (307), the blanking vacuum chamber door opening and closing device (308) is arranged below the blanking vacuum chamber door (307), the mold discharging device (305) is arranged at one side of the blanking vacuum chamber (304), the upper end of one side of the blanking vacuum chamber (304) close to the mould discharging device (305) is provided with a vacuum pumping hole (309);
the body of the fully-sealed furnace chamber (2) consists of a furnace chamber sealing bottom plate (201), a furnace chamber sealing side wall (202), a mold conveying mechanism (203), a nitrogen outlet valve (206) and a sensor interface (207), wherein the furnace chamber sealing bottom plate (201) is installed at the bottom of the furnace chamber sealing side wall (202), the mold conveying mechanism (203) is arranged above the furnace chamber sealing bottom plate (201), the sensor interface (207) is arranged at one end of the furnace chamber sealing side wall (202), and the nitrogen outlet valve (206) is arranged below the sensor interface (207);
the four nitrogen charging ports (205) are arranged on the upper surface of the fully-sealed furnace chamber (2) at equal intervals;
the feeding end of the feeding displacement vacuum chamber (1) is connected with the initial conveying end of the mould conveying mechanism (203);
the blanking end of the blanking displacement vacuum chamber (3) is connected with the transmission tail end of the die transmission mechanism (203);
the hot bending processing method comprises the following steps:
before hot bending begins, protective gas is introduced through a nitrogen charging port (205) and positive pressure relative to the external atmosphere is kept, a nitrogen outlet valve (206) is opened, and the exhaust amount is adjusted as required; and the feeding sealing gate (101) and the discharging sealing gate (301) which are connected with the feeding vacuum chamber, the discharging vacuum chamber and the furnace chamber are ensured to be completely closed and well sealed;
before the graphite mold (4) enters the feeding replacement vacuum chamber (1), firstly closing a feeding sealing gate (101), opening a feeding vacuum chamber door (107), placing the graphite mold (4) on a feeding mold tray (106) through a transmission mechanism or a manual mode, closing the feeding vacuum chamber door (107), and closing the mold in the vacuum chamber; vacuumizing the feeding displacement vacuum chamber (1) through a vacuum pumping hole (109), removing air in the vacuum chamber and the graphite mold (4), and introducing protective gas through a feeding nitrogen charging port (103); then, opening a feeding sealing gate (101), pushing the graphite mold (4) into the heating furnace chamber through a mold pushing device (105), closing the feeding sealing gate (101), and waiting for the next cycle feeding of the feeding replacement vacuum chamber (1);
after entering a hot bending furnace chamber, the die is sequentially transferred through a first preheating station (208), a second preheating station (209), a third preheating station (210), a fourth preheating station (211), a first forming station (212), a second forming station (213), a third forming station (214), a first slow cooling station (215), a second slow cooling station (216), a first cooling station (217), a second cooling station (218) and a third cooling station (219) through a die conveying mechanism (203) to finish hot bending;
before the mold finishes hot bending in a furnace chamber to prepare discharging, a discharging sealing gate (301) and a discharging vacuum chamber door (307) of a discharging replacement vacuum chamber (3) are closed and well sealed, a vacuum system is opened, the vacuum chamber is vacuumized through a vacuum pumping hole (309), and after the vacuum chamber is vacuumized, protective gas is filled into the vacuum chamber through a discharging nitrogen gas filling hole (303);
opening a blanking sealing gate (301), moving the die from the fully-sealed furnace chamber (2) into a blanking replacement vacuum chamber (3) by a die pushing-out mechanism (204), and then closing the blanking sealing gate (301); opening a blanking vacuum chamber door (307), moving the graphite mold (4) to a discharging position through a blanking mold tray (306), and moving the graphite mold (4) out of the vacuum chamber from the blanking mold tray (306) through a mold discharging device (305); and (3) closing the door (307) of the blanking vacuum chamber, vacuumizing the chamber, filling protective gas into the chamber, and waiting for the next circular discharging of the heating furnace chamber.
2. The hot bending processing method of the 3D curved glass hot bending machine according to claim 1, characterized in that: the protective gas is nitrogen with the purity of more than 99.99 percent.
3. The hot bending processing method of the 3D curved glass hot bending machine according to claim 1, characterized in that: the loading vacuum chamber door (107) and the unloading vacuum chamber door (307) of the vacuum replacement chamber can be opened and closed horizontally along the vertical direction or vertically along the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317949.4A CN107879607B (en) | 2017-12-12 | 2017-12-12 | Hot bending processing method of 3D curved surface glass hot bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317949.4A CN107879607B (en) | 2017-12-12 | 2017-12-12 | Hot bending processing method of 3D curved surface glass hot bending machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107879607A CN107879607A (en) | 2018-04-06 |
| CN107879607B true CN107879607B (en) | 2020-04-24 |
Family
ID=61773876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711317949.4A Active CN107879607B (en) | 2017-12-12 | 2017-12-12 | Hot bending processing method of 3D curved surface glass hot bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879607B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019113769A1 (en) * | 2017-12-12 | 2019-06-20 | 博硕皓泽自动化设备无锡有限公司 | 3d curved glass hot bending machine and hot bending processing method |
| WO2019113770A1 (en) * | 2017-12-12 | 2019-06-20 | 博硕皓泽自动化设备无锡有限公司 | Heat bending processing method for 3d curved glass heat bending machine |
| CN110395885A (en) * | 2018-04-24 | 2019-11-01 | 湖南三兴精密工业股份有限公司 | A kind of 3D glass heat suction formation system |
| CN109081563B (en) * | 2018-09-30 | 2020-10-27 | 东旭光电科技股份有限公司 | 3D glass hot bending machine and 3D glass forming method |
| CN110440583B (en) * | 2019-08-07 | 2025-02-14 | 肇庆市宏华电子科技有限公司 | Sintering furnace and nickel electrode atmosphere tunnel furnace |
| CN211101170U (en) * | 2019-09-24 | 2020-07-28 | 苏州普热斯勒先进成型技术有限公司 | Hot stamping production line |
| CN110922034B (en) * | 2019-12-21 | 2022-03-08 | 东莞市国基光电有限公司 | Hot bending equipment and processing technology for producing curved surface toughened film |
| CN111960652A (en) * | 2020-08-11 | 2020-11-20 | Oppo（重庆）智能科技有限公司 | Thermoforming apparatus, thermoforming method, glass member, housing, and electronic apparatus |
| CN112479571B (en) * | 2020-10-30 | 2022-05-31 | 博硕皓泽自动化设备无锡有限公司 | 3D curved surface glass hot bending machine capable of preventing oxygen from entering furnace |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092141A (en) * | 1977-01-03 | 1978-05-30 | Ppg Industries, Inc. | Method and apparatus for handling glass sheets for shaping and cooling |
| CN205838833U (en) * | 2016-07-27 | 2016-12-28 | 深圳市宇泰隆科技有限公司 | The device of air is completely cut off during a kind of 3D glass processing |
| CN106587577A (en) * | 2015-10-16 | 2017-04-26 | Daeho科技株式会社 | Glass forming machine metal mold vacuuming device |
| CN106746521A (en) * | 2017-02-06 | 2017-05-31 | 深圳市宝德自动化精密设备有限公司 | A kind of bend glass production equipment and production technology |
| CN206529400U (en) * | 2017-02-06 | 2017-09-29 | 深圳市宝德自动化精密设备有限公司 | A kind of bend glass production equipment |
| WO2017178733A1 (en) * | 2016-04-13 | 2017-10-19 | Saint-Gobain Glass France | Glass sheet bending |
| CN107311436A (en) * | 2017-07-26 | 2017-11-03 | 广东飞新达智能设备股份有限公司 | A closed processing system for glass hot bending |
| CN107902877A (en) * | 2017-12-12 | 2018-04-13 | 博硕皓泽自动化设备无锡有限公司 | A kind of 3D bend glass hot-bending machines using vacuum displacement technology |
| CN207726961U (en) * | 2017-12-12 | 2018-08-14 | 博硕皓泽自动化设备无锡有限公司 | A kind of 3D bend glass hot-bending machines using vacuum displacement technology |
-
2017
- 2017-12-12 CN CN201711317949.4A patent/CN107879607B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4092141A (en) * | 1977-01-03 | 1978-05-30 | Ppg Industries, Inc. | Method and apparatus for handling glass sheets for shaping and cooling |
| CN106587577A (en) * | 2015-10-16 | 2017-04-26 | Daeho科技株式会社 | Glass forming machine metal mold vacuuming device |
| WO2017178733A1 (en) * | 2016-04-13 | 2017-10-19 | Saint-Gobain Glass France | Glass sheet bending |
| CN205838833U (en) * | 2016-07-27 | 2016-12-28 | 深圳市宇泰隆科技有限公司 | The device of air is completely cut off during a kind of 3D glass processing |
| CN106746521A (en) * | 2017-02-06 | 2017-05-31 | 深圳市宝德自动化精密设备有限公司 | A kind of bend glass production equipment and production technology |
| CN206529400U (en) * | 2017-02-06 | 2017-09-29 | 深圳市宝德自动化精密设备有限公司 | A kind of bend glass production equipment |
| CN107311436A (en) * | 2017-07-26 | 2017-11-03 | 广东飞新达智能设备股份有限公司 | A closed processing system for glass hot bending |
| CN107902877A (en) * | 2017-12-12 | 2018-04-13 | 博硕皓泽自动化设备无锡有限公司 | A kind of 3D bend glass hot-bending machines using vacuum displacement technology |
| CN207726961U (en) * | 2017-12-12 | 2018-08-14 | 博硕皓泽自动化设备无锡有限公司 | A kind of 3D bend glass hot-bending machines using vacuum displacement technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107879607A (en) | 2018-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107879607B (en) | Hot bending processing method of 3D curved surface glass hot bending machine | |
| CN108033670B (en) | Hot bending processing method of 3D curved surface glass hot bending machine | |
| CN107902877A (en) | A kind of 3D bend glass hot-bending machines using vacuum displacement technology | |
| WO2018040386A1 (en) | Hot-bending forming machine for mobile phone glass and watch surface cover | |
| CN209890487U (en) | Hot bending forming equipment and hot bending machine | |
| CN104325107B (en) | The efficient fine vacuum former of a kind of conventional die-cast metal (aluminum, zinc, copper) alloy and method | |
| TWI708744B (en) | Multi-die bending forming equipment | |
| KR101721082B1 (en) | Glass forming device | |
| CN107941009B (en) | Vacuum degreasing sintering furnace and method | |
| CN207726961U (en) | A kind of 3D bend glass hot-bending machines using vacuum displacement technology | |
| CN107365061B (en) | Cooling molding device with loading/unloading part | |
| WO2019113770A1 (en) | Heat bending processing method for 3d curved glass heat bending machine | |
| CN207726959U (en) | A kind of feeding displacement vacuum chamber of 3D bend glasses hot-bending machine | |
| WO2019113769A1 (en) | 3d curved glass hot bending machine and hot bending processing method | |
| CN212199020U (en) | One-step vacuum glass sheet combination production line | |
| CN207657165U (en) | Airtight Continuous Hot Press Forming Device | |
| CN211595423U (en) | Glass hot bending machine tool | |
| TWI577652B (en) | Forming furnace | |
| CN106477861B (en) | Forming furnace | |
| CN210412531U (en) | Molybdenum-tantalum alloy preparation device | |
| CN220503197U (en) | Vacuum coating equipment | |
| CN222313284U (en) | Multi-cavity chemical vapor deposition equipment | |
| CN112479571B (en) | 3D curved surface glass hot bending machine capable of preventing oxygen from entering furnace | |
| CN215799150U (en) | Vacuum hot bending forming equipment | |
| CN118374790B (en) | A coating device and coating method for TOPCon battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200318 Address after: 066010 No.33 Langyue street, North Industrial Park, Haigang District, Qinhuangdao City, Hebei Province Applicant after: QINHUANGDAO BOOSTSOLAR PHOTOVOLTAIC EQUIPMENT Co.,Ltd. Address before: 214116 Jiangsu Province, Wuxi City Lake town of Xishan District Green Rainbow Industrial Park Road de B7 Applicant before: BOSHUO HAOYI AUTOMATION EQUIPMENT WUXI Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |