CN112830671B - Vacuum glass exhausting method and exhausting device - Google Patents
Vacuum glass exhausting method and exhausting device Download PDFInfo
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- CN112830671B CN112830671B CN202110055954.2A CN202110055954A CN112830671B CN 112830671 B CN112830671 B CN 112830671B CN 202110055954 A CN202110055954 A CN 202110055954A CN 112830671 B CN112830671 B CN 112830671B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/24—Making hollow glass sheets or bricks
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
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- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The vacuum glass exhausting method is used for exhausting the vacuum glass assembly with the edge sealed and the air exhaust port in a vacuum chamber, and in the exhausting process, an upper constraining mechanism and a lower constraining mechanism which are arranged in the vacuum chamber are respectively used for constraining the vacuum glass assembly from the upper surface and the lower surface of the vacuum glass assembly, or the upper constraining mechanism is matched with a conveying device in the vacuum chamber to constrain the vacuum glass assembly from the upper surface and the lower surface of the vacuum glass assembly, so that the vacuum glass deformation caused by the pressure difference inside and outside the vacuum glass assembly in the rapid exhausting stage is eliminated; the exhaust device realizes the exhaust method by arranging a vacuum glass restraint mechanism in a vacuum chamber. The invention prevents the deformation of the glass surface by restraining the upper surface and the lower surface of the vacuum glass component, and avoids the damage condition of the vacuum glass in the stage of rapid air exhaust.
Description
Technical Field
The invention belongs to the field of vacuum glass processing, and particularly relates to a vacuum glass exhausting method and an exhausting device.
Background
Before sealing the vacuum glass, the vacuum glass component with the edge sealed and the extraction opening is required to be exhausted in the vacuum chamber, the structure of the vacuum glass component is shown in fig. 1, the vacuum glass component comprises two glass panels, one glass panel 1-1 is provided with an exhaust port 1-2, the exhaust port 1-2 is usually a small hole or a slit, and the conductance is lower. When the vacuum glass component is exhausted in the vacuum chamber, the vacuum chamber air pressure is rapidly reduced in the rapid exhaust stage, so that the air pressure in the cavity of the vacuum glass component is far higher than that in the vacuum chamber, a large internal and external pressure difference is formed, the glass panel of the vacuum glass component is bulged, a large tensile force is generated on the edge of the vacuum glass component, and the vacuum glass is possibly damaged.
Aiming at the problem, the exhaust speed of the vacuum chamber is reduced, the pressure difference between the inside and the outside of the vacuum glass cavity can be reduced, but the method greatly reduces the production efficiency; or other methods capable of balancing the pressure difference between the inside and the outside of the glass cavity are adopted, but devices required by the methods are complex, and the operation is complex.
Disclosure of Invention
The invention aims to provide a vacuum glass exhausting method and an exhausting device, which prevent deformation of the surface of a glass panel and avoid damage of vacuum glass in a rapid exhausting stage by restraining the upper surface and the lower surface of a vacuum glass assembly.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the vacuum glass exhausting method is used for exhausting the vacuum glass assembly with the edge sealed and the pumping hole in the vacuum chamber, and in the exhausting process, an upper constraining mechanism and a lower constraining mechanism arranged in the vacuum chamber respectively constrain the vacuum glass assembly from the upper surface and the lower surface of the vacuum glass assembly, or the upper constraining mechanism is matched with a conveying device in the vacuum chamber to constrain the vacuum glass assembly from the upper surface and the lower surface of the vacuum glass assembly so as to eliminate the vacuum glass deformation caused by the pressure difference inside and outside the vacuum glass assembly in the rapid exhausting stage.
The exhaust process includes a pre-exhaust preparation phase, a fast exhaust phase, and a slow exhaust phase, which are performed in sequence.
The pre-exhaust preparation phase comprises the following steps: opening the inlet side door of the vacuum chamber, conveying the vacuum glass component into the vacuum chamber through a roller way, closing the inlet side door of the vacuum chamber, and adjusting the upper constraint mechanism and the lower constraint mechanism according to the thickness of glass.
Further, when the upper and lower restraint mechanisms are adjusted, the upper and lower restraint mechanisms may be brought into contact with the upper and lower surfaces of the vacuum glass assembly, or the upper and lower restraint mechanisms may be kept at a gap of 0 to 1mm from the upper and lower surfaces of the vacuum glass assembly, respectively.
The upper restraint mechanism and/or the lower restraint mechanism can move up and down in the vacuum chamber through the driving of the power mechanism and the lifting mechanism.
When the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the lower constraint mechanism to ascend, the lower protection body on the lower constraint mechanism supports the vacuum glass component on the conveying device until the upper surface of the vacuum glass component is contacted with the upper protection body of the upper constraint mechanism, and then the air extractor outside the vacuum chamber is started to carry out rapid air exhaust.
When the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the upper constraint mechanism to descend and the lower constraint mechanism to ascend respectively until the lower protection body of the lower constraint mechanism is contacted with the lower surface of the vacuum glass component and the upper protection body of the upper constraint mechanism is contacted with the upper surface of the vacuum glass component, then the power mechanism is closed, and the air extractor outside the vacuum chamber is started to perform rapid air exhaust.
When the upper constraint mechanism is matched with the conveying device to constrain the vacuum glass component, after the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the upper constraint mechanism to descend until an upper protection body in the upper constraint mechanism is contacted with the upper surface of the vacuum glass component, and then an air extractor outside the vacuum chamber is started to rapidly exhaust.
The upper restraint mechanism and the lower restraint mechanism or the upper restraint mechanism and the conveying device do not actively apply pressure to the vacuum glass component, when the vacuum glass component swells due to internal and external pressure difference, the upper restraint mechanism and the lower restraint mechanism or the upper restraint mechanism and the conveying device apply reaction restraint force to the upper surface and the lower surface of the vacuum glass component so as to eliminate deformation generated by the swelling of the glass, and the reaction restraint force is equal to the pressure generated by the internal and external pressure difference of the vacuum glass component on the surface of the glass panel.
The vacuum glass component adopts a metal sealing process to finish edge sealing.
The utility model provides a vacuum glass exhaust apparatus, includes the vacuum chamber, sets up the conveyor in the vacuum chamber and sets up the air extraction device outside the vacuum chamber, is equipped with vacuum glass restraint mechanism in the vacuum chamber, and vacuum glass restraint mechanism is used for retraining vacuum glass subassembly from the upper and lower surface of vacuum glass subassembly respectively to eliminate the deformation that causes because of vacuum glass subassembly internal and external pressure difference in the exhaust process.
The vacuum glass restraint mechanism comprises an upper restraint mechanism and a lower restraint mechanism, wherein the lower restraint mechanism is independently arranged independent of the conveying device, or the lower restraint mechanism is arranged on the conveying device, and the upper restraint mechanism is arranged above the conveying device of the vacuum chamber in an independent arrangement mode.
The upper restraint mechanism comprises a main body structure and a plurality of upper protection bodies arranged on the lower surface of the main body structure, and when the lower restraint mechanism is independently arranged, the lower restraint mechanism comprises the main body structure and a plurality of lower protection bodies arranged on the upper surface of the main body structure.
The main body structure is a plane plate or a grid plate, and the upper protection body and the lower protection body are flat plates, long strips or columns.
When the upper protection bodies are flat plates, the number of the upper protection bodies is one and the upper protection bodies are covered on the lower surface of the main body structure; when the upper protection bodies are in a strip shape, the number of the upper protection bodies is a plurality of, and the upper protection bodies and the conveying roller tables below are correspondingly arranged in parallel up and down; when the upper protection bodies are cylinders, the number is multiple, the upper protection bodies are arranged in a plurality of rows at intervals along the glass conveying direction on the main structure, each row is arranged up and down correspondingly to the conveying roller way, and the upper protection bodies in each row are arranged at intervals along the axial direction of the conveying roller way.
The upper restraint mechanism is fixed in the vacuum chamber or installed on the lifting mechanism in the vacuum chamber, and when the lower restraint mechanism is independently arranged, the lower restraint mechanism is installed on the other lifting mechanism in the vacuum chamber.
The upper protection body and the lower protection body are made of nonmetal materials, so that glass breakage caused by direct contact of a metal material main body structure with the protection body is avoided.
The beneficial effects of the invention are as follows: the upper restraining mechanism and the lower restraining mechanism can restrain the surface shape of the glass panel from the upper surface and the lower surface of the vacuum glass component, and prevent deformation and possible damage of the glass surface due to the pressure difference between the inside and the outside of the cavity of the vacuum glass component.
The upper constraint mechanism and the lower constraint mechanism can select different structural forms and arrangement modes according to actual conditions, and meet the requirements of different users.
The upper protecting body of the upper constraint mechanism and the lower protecting body of the lower constraint mechanism are arranged up and down correspondingly, so that the stress on the upper surface and the lower surface of the vacuum glass component is uniform, and the damage caused by uneven stress is avoided.
Drawings
FIG. 1 is a schematic view of a vacuum glass assembly;
fig. 2 is a front view of the exhaust device according to the present invention in embodiment 1;
FIG. 3 is a side view of the exhaust apparatus of the present invention in example 1;
fig. 4 is a front view of the exhaust device according to the present invention in embodiment 2;
FIG. 5 is a side view of the exhaust apparatus of the present invention in example 2;
fig. 6 is a front view of the exhaust device in embodiment 3 according to the present invention;
the marks in the figure: 1. the vacuum glass assembly comprises 1-1 parts of a glass panel, 1-2 parts of an exhaust port, 2 parts of a conveying roller way, 3 parts of a vacuum chamber, 4 parts of an upper constraint mechanism, 4-1 parts of an upper protection body, 5 parts of a shaft sleeve type guide mechanism, 5-1 parts of a guide sleeve, 5-2 parts of a guide shaft, 6 parts of a cam mechanism, 6-1 parts of a cam, 6-2 parts of a cam, a cam shaft, 7 parts of a power mechanism, 7-1 parts of a shaft coupling, 7-2 parts of a motor, 7-3 parts of a speed reducer, 8 parts of a lower constraint mechanism, 8-1 parts of a lower protection body, 9 parts of a wheel-column type guide mechanism, 9-1 parts of a guide column, 9-2 parts of a guide wheel, 10 parts of a gear-rack mechanism, 10-1 parts of a gear, 10-2 parts of a rack, 10-3 parts of a gear shaft, 11 parts of a lead screw nut mechanism.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples, which are not intended to be limiting.
Referring to the drawings, a vacuum glass exhaust device comprises a vacuum chamber 3, wherein a conveying device for conveying vacuum glass components is arranged in the vacuum chamber 3, and is generally a conveying roller way 2 arranged at intervals and connected with a conveying device outside the vacuum chamber 3, and the vacuum chamber 3 is connected with an external vacuumizing device through a pipeline. The vacuum chamber 3 is internally provided with a vacuum glass restraint mechanism which is used for restraining the upper surface and the lower surface of the vacuum glass component 1 and restraining the shapes of the upper surface and the lower surface so as to eliminate deformation caused by pressure difference between the inside and the outside of the vacuum glass component in a rapid exhaust stage, and the vacuum glass component is already subjected to edge sealing and is provided with an extraction opening on one of glass panels, and the edge sealing can be finished by adopting a metal sealing process.
The structure of the vacuum glass restraint mechanism is different according to the arrangement mode of the vacuum glass restraint mechanism, and the following description will be made by different embodiments.
Example 1: the vacuum glass restraint mechanism comprises an upper restraint mechanism 4 for restraining the upper surface of the vacuum glass assembly, and the lower surface of the vacuum glass assembly 1 is restrained by the conveying roller way 2 in the vacuum chamber 3, so that the conveying roller way 2 is used as a lower restraint mechanism of the vacuum glass restraint mechanism besides the conveying function functionally. The upper restraint mechanism 4 comprises a main body structure and an upper protection body 4-1 arranged on the lower surface of the main body structure, wherein the main body structure is in a plane plate shape or grid shape, the upper protection body 4-1 is a plane plate, a long strip shape or a column body, and the cross section of the upper protection body 4-1 in the shape of the long strip shape or the column body can be in a circular shape, a polygonal shape or a circular ring shape; when the upper protective body 4-1 is in a flat plate shape, the lower surface of the main body structure is covered; when the upper protection body 4-1 is a long strip or a column, the upper protection body 4-1 is arranged at intervals on the lower surface of the main body structure, and when the upper protection body 4-1 is a long strip, the upper protection body and the lower conveying roller way 2 are correspondingly arranged in parallel up and down; when the upper protecting bodies 4-1 are cylinders, the upper protecting bodies of the cylinders are arranged in a plurality of rows at intervals along the glass conveying direction on the main structure, each row is arranged up and down correspondingly with the conveying roller way 2, the upper protecting bodies 4-1 in each row are arranged at intervals along the axial direction of the conveying roller way 2, and at the moment, the axial direction of the upper protecting bodies 4-1 of the cylinders is vertical to the plate surface of the main structure. The main body structure of the upper restraint mechanism 4 is arranged on a lifting mechanism, and the lifting mechanism is connected with a power mechanism 7 to realize the lifting of the upper restraint mechanism 4.
The lifting mechanism adopts a cam mechanism 6, the cam mechanism 6 is arranged on two sides of a main body structure of the upper constraint mechanism 4, the cam mechanism 6 comprises a cam 6-1 and a cam shaft 6-2, the cam shaft 6-2 can select a long shaft to connect two cams 6-1 on two opposite sides of the main body structure, and share one set of power mechanism 7, and can also select a short shaft to connect the cams 6-1 on one side, and the power mechanisms 7 are respectively arranged on two sides of the main body structure. The power mechanism 7 comprises a coupler 7-1, a motor 7-2 and a speed reducer 7-3, and the coupler 7-1 is connected with a cam shaft 6-2.
In order to ensure stable lifting of the upper constraint mechanism 4, the vacuum chamber 3 is further provided with a guide mechanism, wherein the guide mechanism adopts a shaft sleeve type guide mechanism 5, and comprises a guide shaft 5-2 and a guide sleeve 5-1 which are sleeved in a sliding manner, the guide shaft 5-2 is fixed on the bottom plate of the vacuum chamber 3, and the guide sleeve 5-1 is fixed on the side surface of the main body structure. In addition, the guide mechanism can also adopt a sliding rail and sliding block mechanism.
When the exhaust device of the embodiment is used for exhausting vacuum glass, before a quick exhaust stage, after the vacuum glass assembly 1 is transmitted into the vacuum chamber 3 through the conveying roller way 2, the motor 7-2 and the speed reducer 7-3 drive the cam shaft 6-2 to drive the cam 6-1 to rotate, so that the upper constraint mechanism 4 vertically descends until the upper protection body 4-1 of the upper constraint mechanism 4 is in contact with the upper surface of the vacuum glass assembly 1, at the moment, the upper constraint mechanism 4 and the conveying roller way 2 respectively constraint the upper surface and the lower surface of the vacuum glass assembly 1, and when the vacuum chamber 3 is quickly exhausted, the glass panel bulges due to the internal and external pressure difference of the vacuum glass assembly 1, the upper constraint mechanism 4 and the conveying roller way 2 mutually cooperate to generate a reactive constraint force on the glass panel so as to prevent deformation of the upper surface and the lower surface of the vacuum glass assembly 1 and avoid damage of the edge of the vacuum glass assembly 1 due to stress.
Example 2: the upper restraint mechanism 4 of the present embodiment is the same as that of embodiment 1, but in the present embodiment, the upper restraint mechanism 4 is fixed to the top of the vacuum chamber 3. The lower restraint mechanism 8 independent of the conveying roller way is arranged below the conveying roller way 2, the lower restraint mechanism 8 comprises a main body structure and a lower protection body 8-1 arranged on the upper surface of the main body structure, the main body structure of the lower restraint mechanism 8 is a plane plate or a grid plate, the lower protection body 8-1 is a flat plate, a strip shape or a column body, and the lower protection body 8-1 of the lower restraint mechanism 8 and the upper protection body 4-1 of the upper restraint mechanism 4 are correspondingly arranged up and down. The main structure of the lower restraint mechanism 8 is mounted on a lifting mechanism of the vacuum chamber 3, the lifting mechanism adopts a gear rack mechanism 10 in the embodiment, racks 10-2 are respectively fixed on two opposite side surfaces of the main structure, one rack 10-2 is respectively fixed on two ends of each side surface, a power mechanism 7 is arranged on one side of the vacuum chamber 3, the power mechanism 7 comprises a motor 7-2, a speed reducer 7-3 and a coupler 7-1, the coupler 7-1 is connected with a gear shaft 10-3 of the gear 10-1, and the gear 10-1 is meshed with the racks 10-2 one by one. The gear shaft 10-3 can be a long shaft, the gears 10-1 on two sides are arranged at two ends of the gear shaft 10-3, one end of the gear shaft 10-3 is connected with the power mechanism 7, or a short shaft can be used as the gear shaft 10-3, the short shafts are respectively arranged on two sides of the main body structure, and power is respectively connected. The gear shaft and the gear can also adopt an integrated structure.
The guiding mechanism of the embodiment adopts a wheel-column type guiding mechanism 9, and comprises a guiding wheel 9-2 and a guiding column 9-1, wherein the guiding column 9-1 is fixed on the bottom surface of the vacuum chamber 3, the guiding wheel 9-2 is freely rotatably arranged on the side surface of the main body structure of the lower constraint mechanism 8, and when the lower constraint mechanism 8 is lifted, the guiding wheel 9-2 rolls along the cylindrical surface of the guiding column 9-1 to provide guiding for the lower constraint mechanism 8.
When the exhaust device of the embodiment is used for exhausting vacuum glass, before a rapid exhaust stage, after the vacuum glass assembly 1 is transmitted into the vacuum chamber 3 through the conveying roller way 2, the motor 7-2 and the speed reducer 7-3 drive the gear shaft 10-3 to drive the gear 10-1 to rotate, and the gear 10-1 is meshed with the gear rack 10-2 to drive the lower constraint mechanism 8 to ascend. The lower shield 8-1 of the lower restraint mechanism 8 lifts the vacuum glass assembly 1 until the upper surface of the vacuum glass assembly 1 contacts the upper shield 4-1 of the upper restraint mechanism 4. When the vacuum chamber 3 is rapidly exhausted, and the glass panel is inflated due to the internal and external pressure difference of the vacuum glass component 1, the upper constraint mechanism 4 and the lower constraint mechanism 8 are mutually matched to generate a reaction constraint force on the glass panel so as to prevent the deformation of the upper surface and the lower surface of the vacuum glass component 1 and avoid the damage of the edge of the vacuum glass component 1 caused by the stress.
Example 3: the difference between this embodiment and embodiment 1 is that the lifting mechanism is in a different form, in this embodiment, the lifting of the upper constraint mechanism is realized by using a screw-nut mechanism 11, the nuts of the screw-nut mechanism 11 are fixed on two opposite sides of the main body structure of the upper constraint mechanism 4, and the power mechanism is arranged on the top of the vacuum chamber 3 to drive the screw to rotate and drive the upper constraint mechanism 4 to lift.
In the above embodiment, both the upper protective body 4-1 and the lower protective body 8-1 are made of non-metallic materials, so as to avoid glass breakage caused by direct contact of the metallic main structure with the protective body.
The lifting mechanism can also be a chain lifting mechanism or other mechanisms capable of realizing lifting actions.
The power mechanism can also be arranged in the vacuum chamber.
Further, the roller conveyor 2 is provided with a rubber ring or other protective layer of non-metallic material to form the lower protective body in embodiments 1 and 3.
Example 4: in this embodiment, the upper constraint mechanism and the lower constraint mechanism are respectively arranged on different lifting mechanisms and are respectively matched with the power mechanism, so that the upper constraint mechanism descends and the lower constraint mechanism ascends, and the upper surface and the lower surface of the vacuum glass are constrained, but it is noted that the vacuum glass component can be lifted off the conveying roller table when the lower constraint mechanism ascends, and the lower protection body of the lower constraint mechanism can also ascend to a position flush with the top of the conveying roller table, and at the moment, the lower protection body and the conveying roller table can jointly support the vacuum glass component. In this embodiment, the upper restraint mechanism, the lower restraint mechanism, the lifting mechanism, and the power mechanism may be provided with reference to the above-described embodiments, or may be modified as necessary.
It should be noted that, whatever form of vacuum glass restraint mechanism is adopted, the vacuum glass restraint mechanism will not actively apply pressure to the vacuum glass component, but especially in the rapid exhaust stage in the exhaust process, when the vacuum glass component inner and outer pressure difference causes the glass panel to bulge and squeeze the vacuum glass restraint mechanism, the vacuum glass restraint mechanism will generate a reaction restraint force to prevent the bulge deformation of the glass panel, so as to ensure the flatness of the surface of the glass panel, thus the reaction restraint force is equal to the pressure generated by the vacuum glass component inner and outer pressure difference on the surface of the glass panel.
In the above embodiment, when the upper restraint mechanism and the lower restraint mechanism are adjusted, the upper restraint mechanism and the lower restraint mechanism may be brought into contact with the upper and lower surfaces of the vacuum glass assembly, or the upper restraint mechanism and the lower restraint mechanism may be kept at a gap of 0 to 1mm from the upper and lower surfaces of the vacuum glass assembly, respectively.
The above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present invention with reference to the above embodiments, and any modifications and equivalents not departing from the spirit and scope of the present invention are within the scope of the claims appended hereto.
Claims (13)
1. The vacuum glass exhausting method is used for exhausting the vacuum glass assembly with the pumping hole and the edge sealing in a vacuum chamber, and is characterized in that: in the exhausting process, an upper constraint mechanism and a lower constraint mechanism which are arranged in the vacuum chamber respectively constraint the vacuum glass component from the upper surface and the lower surface of the vacuum glass component, or the upper constraint mechanism is matched with a conveying device in the vacuum chamber to constraint the vacuum glass component from the upper surface and the lower surface of the vacuum glass component so as to eliminate the vacuum glass deformation caused by the internal and external pressure difference of the vacuum glass component in the rapid exhausting stage;
the upper restraint mechanism and the lower restraint mechanism or the upper restraint mechanism and the conveying device do not actively apply pressure to the vacuum glass component, when the vacuum glass component swells due to internal and external pressure difference, the upper restraint mechanism and the lower restraint mechanism or the upper restraint mechanism and the conveying device apply reaction restraint force to the upper surface and the lower surface of the vacuum glass component so as to eliminate deformation generated by the swelling of the glass, and the reaction restraint force is equal to the pressure generated by the internal and external pressure difference of the vacuum glass component on the surface of the glass panel.
2. The vacuum glass evacuation method according to claim 1, wherein: the exhaust process includes a pre-exhaust preparation phase, a fast exhaust phase, and a slow exhaust phase that are performed sequentially.
3. The vacuum glass evacuation method according to claim 1, wherein: the upper restraint mechanism and/or the lower restraint mechanism can move up and down in the vacuum chamber through the driving of the power mechanism and the lifting mechanism.
4. A vacuum glass evacuation method according to claim 3, wherein: when the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the lower constraint mechanism to ascend, the lower protection body on the lower constraint mechanism supports the vacuum glass component on the conveying device until the upper surface of the vacuum glass component is contacted with the upper protection body of the upper constraint mechanism, and then the air extractor outside the vacuum chamber is started to carry out rapid air exhaust.
5. A vacuum glass evacuation method according to claim 3, wherein: when the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the upper constraint mechanism to descend and the lower constraint mechanism to ascend respectively until the lower protection body of the lower constraint mechanism is contacted with the lower surface of the vacuum glass component and the upper protection body of the upper constraint mechanism is contacted with the upper surface of the vacuum glass component, then the power mechanism is closed, and the air extractor outside the vacuum chamber is started to perform rapid air exhaust.
6. The vacuum glass evacuation method according to claim 1, wherein: when the upper constraint mechanism is matched with the conveying device to constrain the vacuum glass component, after the vacuum glass component enters the vacuum chamber through the conveying device, the power mechanism arranged in the vacuum chamber drives the upper constraint mechanism to descend until an upper protection body in the upper constraint mechanism is contacted with the upper surface of the vacuum glass component, and then an air extractor outside the vacuum chamber is started to rapidly exhaust.
7. The vacuum glass evacuation method according to claim 1, wherein: the vacuum glass component adopts a metal sealing process to finish edge sealing.
8. A vacuum glass exhausting apparatus for the vacuum glass exhausting method according to any one of claims 1 to 7, comprising a vacuum chamber, a conveying device provided in the vacuum chamber, and an air extracting device provided outside the vacuum chamber, characterized in that: the vacuum chamber is internally provided with a vacuum glass restraint mechanism which is used for restraining the vacuum glass assembly from the upper surface and the lower surface of the vacuum glass assembly respectively so as to eliminate deformation caused by pressure difference between the inside and the outside of the vacuum glass assembly in the exhaust process.
9. The vacuum glass evacuation device according to claim 8, wherein: the vacuum glass restraint mechanism comprises an upper restraint mechanism and a lower restraint mechanism, wherein the lower restraint mechanism is independently arranged on the conveying device or the lower restraint mechanism adopts the conveying device.
10. The vacuum glass evacuation device according to claim 9, wherein: the upper restraint mechanism comprises a main body structure and a plurality of upper protection bodies arranged on the lower surface of the main body structure, and when the lower restraint mechanism is independently arranged, the lower restraint mechanism comprises the main body structure and a plurality of lower protection bodies arranged on the upper surface of the main body structure.
11. The vacuum glass evacuation device according to claim 10, wherein: the main body structure is a plane plate or a grid plate, and the upper protection body and the lower protection body are flat plates, long strips or columns.
12. The vacuum glass evacuation device according to claim 11, wherein: when the upper protection bodies are flat plates, the number of the upper protection bodies is one and the upper protection bodies are covered on the lower surface of the main body structure; when the upper protection bodies are in a strip shape, the number of the upper protection bodies is a plurality of, and the upper protection bodies and the conveying roller tables below are correspondingly arranged in parallel up and down; when the upper protection bodies are cylinders, the number is multiple, the upper protection bodies are arranged in a plurality of rows at intervals along the glass conveying direction on the main structure, each row is arranged up and down correspondingly to the conveying roller way, and the upper protection bodies in each row are arranged at intervals along the axial direction of the conveying roller way.
13. The vacuum glass evacuation device according to claim 9, wherein: the upper restraint mechanism is fixed in the vacuum chamber or installed on the lifting mechanism in the vacuum chamber, and when the lower restraint mechanism is independently arranged, the lower restraint mechanism is installed on the other lifting mechanism in the vacuum chamber.
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| CN202110055954.2A CN112830671B (en) | 2021-01-15 | 2021-01-15 | Vacuum glass exhausting method and exhausting device |
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| CN202110055954.2A CN112830671B (en) | 2021-01-15 | 2021-01-15 | Vacuum glass exhausting method and exhausting device |
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