CN113087369B - Forming method of multi-curvature arc glass - Google Patents
Forming method of multi-curvature arc glass Download PDFInfo
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- CN113087369B CN113087369B CN202110396472.3A CN202110396472A CN113087369B CN 113087369 B CN113087369 B CN 113087369B CN 202110396472 A CN202110396472 A CN 202110396472A CN 113087369 B CN113087369 B CN 113087369B
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- glass
- curved surface
- upper curved
- elastic substrate
- forming
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- 239000011521 glass Substances 0.000 title claims abstract description 114
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 7
- 238000007496 glass forming Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 description 4
- 230000000171 quenching effect Effects 0.000 description 4
- 238000005496 tempering Methods 0.000 description 4
- 230000003872 anastomosis Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013003 hot bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The forming method of multi-curvature arc glass includes the steps that after the glass reaches a preset temperature in a heating zone, the glass is sent into a forming zone through a conveying mechanism, an upper curved surface template is arranged above the glass in the forming zone, the lower surface of the upper curved surface template is consistent with the curved surface of target glass, an elastic substrate below a conveying plane moves upwards under the action of external force and supports the glass upwards until the glass is bent and is completely adhered to the lower surface of the upper curved surface template, the deformed elastic substrate and the upper curved surface template are clamped and shaped, the shaped elastic substrate falls below the glass conveying plane under the drive of external force, and the glass is conveyed to the next working procedure through the conveying mechanism. The method can realize the large-scale production of the multi-curvature arc glass, and has high production repetition precision.
Description
Technical Field
The invention relates to the technical field of curved glass processing technology, in particular to a method for forming multi-curvature arc glass.
Background
At present, in the domestic and overseas multi-curvature arc glass forming and hot bending industry, one or more molds consistent with a target arc are placed in a heating area, glass is placed on the molds, then the molds are heated until the glass is softened until the glass is completely attached to the molds, then the heating area starts to gradually decrease to the ambient temperature, and then the glass is taken out. The production efficiency is low, the repetition precision of the product after glass hot bending molding is low, and a large number of dies are required to be prepared in the production process of the unified glass; in the glass tempering industry, two modes are generally adopted, namely, after glass leaves a heating zone, the glass is conveyed to a female die, an upper die is pressed down for forming, and then the glass is conveyed to a wind grating zone for quenching tempering, wherein the mode requires that the whole arch depth of the glass cannot be too large, meanwhile, the time between the glass leaves the heating zone and the blowing quenching is long, the glass temperature is reduced more, and the mode is basically inapplicable to sheet glass; the other is that the upper roller way and the lower roller way are adopted for opposite-pressure forming, and then the air blowing, quenching and tempering are carried out, and the forming mode of the multi-curvature arc glass is not applicable to the situations of glass with small curvature radius, glass with small single arc length, glass with large local curvature change and the like because each curvature of the glass and the arc length corresponding to the curvature are limited by the distance between the roller ways.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a forming method of multi-curvature arc glass, which can realize the large-scale production of the multi-curvature arc glass and has high production repetition precision.
The technical scheme adopted by the invention is as follows: the forming method of multi-curvature arc glass includes the steps that after the glass reaches a preset temperature in a heating zone, the glass is sent into a forming zone through a conveying mechanism, an upper curved surface template is arranged above the glass in the forming zone, the lower surface of the upper curved surface template is consistent with the curved surface of target glass, an elastic substrate below a conveying plane moves upwards under the action of external force and supports the glass upwards until the glass is bent and is completely adhered to the lower surface of the upper curved surface template, the deformed elastic substrate and the upper curved surface template are clamped and shaped, the shaped elastic substrate falls below the glass conveying plane under the drive of external force, and the glass is conveyed to the next working procedure through the conveying mechanism.
Preferably, the elastic substrate is provided with a plurality of holes matched with the shape of the conveying wheels or the conveying rollers in the conveying mechanism, so that the elastic substrate is flattened under the drive of external force and falls below the upper surface of the conveying wheels or the conveying rollers through the holes on the elastic substrate.
Preferably, the surface of the elastic substrate, which is contacted with the glass, is provided with a temperature resistant material layer.
Preferably, the elastic base plate is further provided with an attitude keeping device for keeping the relative position of the elastic base plate during the lifting process.
Preferably, an adjusting component for controlling the deformation of the upper curved surface template is also arranged.
As a preferable scheme, a plurality of arc-shaped adjusting rods connected with the upper curved surface template are arranged in the adjusting assembly, the plurality of arc-shaped adjusting rods are arranged on the upper die hanging frame through adjusting blocks, and the curved surface shape formed by the upper curved surface template is controlled by adjusting the posture of the arc-shaped adjusting rods.
Preferably, the upper curved surface template is arranged in the forming device through a position adjusting assembly, and the relative position of the upper curved surface template can be adjusted through the position adjusting device.
Preferably, the surface of the upper curved surface template contacted with the glass is provided with a temperature resistant material layer.
Preferably, the size and direction of the external force acting on the elastic substrate can be adjusted by the force application mechanism during the glass molding process.
Preferably, the time for maintaining the application of the elastic substrate after the supporting glass and the upper curved surface mold are applied is adjustable.
The beneficial effects of the invention are as follows:
according to the technical innovation, the upper curved surface template is arranged above glass in the forming area, the lower surface of the upper curved surface template is consistent with the curved surface shape of target glass, the elastic substrate below the conveying plane moves upwards under the action of external force and supports the glass upwards until the glass is bent and is completely adhered to the lower surface of the upper curved surface template, so that the glass is clamped and shaped between the deformed elastic substrate and the upper curved surface template, the method can realize the large-scale production of multi-curvature arc glass, and the production repetition precision is high;
further, still be equipped with the adjustment subassembly that is used for controlling upper portion curved surface template and produce deformation in this scheme, be equipped with a plurality of arc regulation pole that is connected with upper portion curved surface template in the adjustment subassembly, through adjusting the gesture of adjusting the arc regulation pole the curved surface shape that upper portion curved surface template formed. The structure can realize that one set of forming device can produce glass with various curvatures.
In addition, the multi-curvature arc glass forming method related by the invention is novel and unique in conception, easy to implement and higher in arc anastomosis degree and repetition precision. Compared with the traditional process, the glass has small curvature, or the arc length corresponding to a single curvature is shorter, or the arc glass has more than three curvatures. This molding method is more specialized and advantageous.
Drawings
FIG. 1 is a schematic view of a first embodiment of a molding apparatus according to the present invention;
FIG. 2 is a schematic diagram of the glass forming principle of the present invention;
FIG. 3 is a schematic view of a second embodiment of a molding apparatus according to the present invention;
fig. 4 is a schematic structural view of an elastic substrate according to the present invention.
Reference numerals: 1. the upper die hanging frame comprises 2 parts of an arc-shaped adjusting rod, 3 parts of an upper curved surface template, 4 parts of a transmission shaft, 5 parts of a conveying wheel, 6 parts of an elastic substrate, 61 parts of a hole, 7 parts of a force application mechanism, 8 parts of glass.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that: unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. As used in the specification and claims of this application, the terms "a," "an," and "the" and similar referents are not to be construed to limit the scope of at least one. The word "comprising" or "comprises", and the like, indicates that elements or items listed thereafter or equivalents thereof may be substituted for elements or items thereof in addition to those listed thereafter or equivalents thereof without departing from the scope of the word "comprising" or "comprising".
The method and the device for creatively developing the multi-curvature arc glass can realize the large-scale production of the multi-curvature arc glass, and have high production repetition precision, and importantly, the single curvature of the arc forming glass and each arc length of the glass forming arc are not limited.
The specific structure and the forming process of the scheme are described in detail below with reference to the accompanying drawings:
the forming method of the multi-curvature arc glass comprises the steps that after a heating area of the glass reaches a preset temperature, the glass is sent into a forming area through a conveying mechanism, an upper curved surface template 3 is arranged above the glass 8 in the forming area, the lower surface of the upper curved surface template 3 is consistent with the curved surface shape of target glass, an elastic substrate 6 below a conveying plane moves upwards under the action of external force and supports the glass 8 upwards until the glass 8 is bent and fully attached to the lower surface of the upper curved surface template 3, so that the glass is clamped and shaped by the deformed elastic substrate 6 and the upper curved surface template 3, after a period of time is maintained, the elastic substrate 6 moves downwards and supports the formed glass on the conveying plane, meanwhile, the elastic substrate 6 is flattened under the driving of a force application mechanism 7 and falls below the upper surface of the conveying plane, and then the conveying mechanism conveys the formed arc glass to a next station for cold area or quenching tempering; and at the same time, the next glass is conveyed into the forming device again, and the forming process from each flat plate to the arc-shaped curved surface is completed in turn in a circulating way.
What needs to be explained here is: the conveyance plane described herein refers to a plane formed by points or lines where all conveyance wheels or conveyance rollers in the conveyance mechanism contact the glass.
As can be seen from the above, when the glass is shaped under the clamping of the deformed elastic substrate 6 and the upper curved surface template 3, the upper curved surface template as the main shaping surface can be set as a template with a fixed curvature, as shown in fig. 3, the upper curved surface template 3 is in the form of a fixed curvature, and the shape of the lower surface is fixed and invariable; of course, the upper curved surface template can also be set to be in a form of adjustable curvature, as shown in fig. 1, an adjusting component for controlling the deformation of the upper curved surface template 3 is further provided, a plurality of arc adjusting rods 2 connected with the upper curved surface template 3 are arranged in the adjusting component, the plurality of arc adjusting rods 2 are arranged on the upper die hanging frame 1 through adjusting blocks, and the curved surface shape formed by the upper curved surface template 3 is controlled by adjusting the posture of the arc adjusting rods 2, so that a set of forming device can be used for producing arc glass with various curvatures according to requirements in a form of adjustable curvature.
Fig. 2 is a schematic diagram of glass forming, and it can be clearly seen that the elastic substrate 6 moves upward under the action of external force and supports the glass 8 upward until the glass 8 contacts the upper curved surface template 3 to start bending and is completely attached to the lower surface of the upper curved surface template 3, so that the glass 8 is shaped under the clamping of the deformed elastic substrate 6 and the upper curved surface template 3.
In this solution, as shown in fig. 4, the elastic substrate may be provided with a plurality of holes 61 matching the shape of the conveying wheel 5 or the conveying roller in the conveying mechanism, so that the elastic substrate 6 is flattened under the driving of the force application mechanism 7 and falls below the upper surface of the conveying wheel 5 or the conveying roller through the holes 61 thereon.
In this scheme, the surface that elastic substrate 6 and glass 8 contacted is provided with the temperature resistant material layer, and this temperature resistant material layer can be tolerated the high temperature on glass surface, can protect glass surface can not produce the various flaws that influence glass optical properties at elastic substrate and glass contact in-process.
In this embodiment, the elastic substrate 6 is further provided with a posture maintaining device for maintaining the relative position of the elastic substrate 6 during the lifting process, and the forming device is further provided with a glass positioning device for correcting the position of the glass when the glass is stopped.
In this scheme, upper portion curved surface template 3 passes through the position adjustment subassembly setting in forming device, and the relative position of upper portion curved surface template is adjusted to accessible position adjustment device.
In this scheme, upper portion curved surface template 3 be provided with the temperature resistant material layer with the surface of glass contact, this temperature resistant material layer can be tolerated the high temperature on glass surface, can be at upper portion curved surface template 3 with glass 8 contact in-process protection glass surface can not produce the various flaws that influence glass optical properties.
In this scheme, in glass shaping in-process, the external force that acts on the elastic substrate, its size and direction can be adjusted through force application mechanism, and the elastic substrate is holding in the palm and lifting glass and upper portion curved surface mould and apply the back simultaneously, and the time of maintaining the application is adjustable.
It should be noted that: the elastic substrate can be made of a material or a structure which can deform under the stress condition, and a person skilled in the art can reasonably select the elastic substrate according to common general knowledge, so that the scheme is not described one by one.
The method for forming the multi-curvature arc glass has the advantages of novel and unique conception, easy implementation and higher arc anastomosis degree and repetition precision. Compared with the traditional process, the glass has small curvature, or the arc length corresponding to a single curvature is shorter, or the arc glass has more than three curvatures. This molding method is more specialized and advantageous.
It should be noted that while the above describes the invention in terms of embodiments, many other embodiments of the invention are possible. Various modifications and variations of this invention may be apparent to those skilled in the art without departing from the spirit and scope of this invention, and it is intended to cover in the appended claims all such modifications and variations as fall within the true scope of this invention.
Claims (5)
1. A molding method of multi-curvature arc glass is characterized in that: after the glass reaches a preset temperature in a heating zone, the glass is sent into a forming zone through a conveying mechanism, an upper curved surface template is arranged above the glass in the forming zone, the lower surface of the upper curved surface template is consistent with the curved surface shape of target glass, an elastic substrate below a conveying plane moves upwards under the action of external force and supports the glass upwards until the glass is bent and is completely adhered to the lower surface of the upper curved surface template, so that the deformed elastic substrate and the upper curved surface template are clamped and shaped, the shaped elastic substrate falls below the glass conveying plane under the drive of the external force, and the glass is sent to the next process through the conveying mechanism;
the elastic substrate is provided with a plurality of holes matched with the shape of the conveying wheels or the conveying rollers in the conveying mechanism, so that the elastic substrate is flattened under the drive of external force and falls below the upper surface of the conveying wheels or the conveying rollers through the holes on the elastic substrate;
the adjusting component is used for controlling the deformation of the upper curved surface template; the adjusting assembly is internally provided with a plurality of arc-shaped adjusting rods connected with the upper curved surface template, the plurality of arc-shaped adjusting rods are arranged on the upper die hanging frame through adjusting blocks, and the curved surface shape formed by the upper curved surface template is controlled through adjusting the posture of the arc-shaped adjusting rods; the surface of the upper curved surface template, which is contacted with the glass, is provided with a temperature resistant material layer which can resist the high temperature of the glass surface so as to protect the glass surface from various flaws affecting the optical performance of the glass;
the upper curved surface template is arranged in the forming device through the position adjusting assembly, and the relative position of the upper curved surface template can be adjusted through the position adjusting device.
2. The method for forming a multi-curvature curved glass according to claim 1, wherein: the surface of the elastic substrate, which is contacted with the glass, is provided with a temperature resistant material layer.
3. The method for forming a multi-curvature curved glass according to claim 1, wherein: the elastic base plate is also provided with an attitude maintaining device for maintaining the relative position of the elastic base plate in the lifting process.
4. The method for forming a multi-curvature curved glass according to claim 1, wherein: in the glass forming process, the size and the direction of the external force acting on the elastic substrate can be adjusted by the force application mechanism.
5. The method for forming a multi-curvature curved glass according to claim 1, wherein: after the supporting glass and the upper curved surface die are applied, the time for maintaining the application is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396472.3A CN113087369B (en) | 2021-04-13 | 2021-04-13 | Forming method of multi-curvature arc glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110396472.3A CN113087369B (en) | 2021-04-13 | 2021-04-13 | Forming method of multi-curvature arc glass |
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| Publication Number | Publication Date |
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| CN113087369A CN113087369A (en) | 2021-07-09 |
| CN113087369B true CN113087369B (en) | 2024-02-20 |
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| CN202110396472.3A Active CN113087369B (en) | 2021-04-13 | 2021-04-13 | Forming method of multi-curvature arc glass |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114702297A (en) * | 2022-04-26 | 2022-07-05 | 广东东唯新材料有限公司 | One-time firing process of curved ceramic rock plate |
| CN115178982B (en) * | 2022-08-16 | 2023-07-25 | 中船黄埔文冲船舶有限公司 | Ship and processing method of curved plate thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191104402A (en) * | 1911-02-21 | 1911-05-04 | Jules Goffin | Mould for Shaping Glass Plates. |
| US3563721A (en) * | 1968-05-24 | 1971-02-16 | Libbey Owens Ford Glass Co | Glass sheet supporting press bending and conveying apparatus |
| CN111410411A (en) * | 2020-05-22 | 2020-07-14 | 洛阳北方玻璃技术股份有限公司 | Curved toughened glass's of arc forming system of high yield |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7237408B2 (en) * | 2003-08-29 | 2007-07-03 | Ppg Industries, Ohio, Inc. | Flexible surface mold and method of use |
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2021
- 2021-04-13 CN CN202110396472.3A patent/CN113087369B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191104402A (en) * | 1911-02-21 | 1911-05-04 | Jules Goffin | Mould for Shaping Glass Plates. |
| US3563721A (en) * | 1968-05-24 | 1971-02-16 | Libbey Owens Ford Glass Co | Glass sheet supporting press bending and conveying apparatus |
| CN111410411A (en) * | 2020-05-22 | 2020-07-14 | 洛阳北方玻璃技术股份有限公司 | Curved toughened glass's of arc forming system of high yield |
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| CN113087369A (en) | 2021-07-09 |
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