CN108002693B - Processing method of multi-curved-surface glass - Google Patents
Processing method of multi-curved-surface glass Download PDFInfo
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- CN108002693B CN108002693B CN201711458958.5A CN201711458958A CN108002693B CN 108002693 B CN108002693 B CN 108002693B CN 201711458958 A CN201711458958 A CN 201711458958A CN 108002693 B CN108002693 B CN 108002693B
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- glass
- curved
- plane
- auxiliary heating
- mould
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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
- C03B23/02—Re-forming glass sheets
- C03B23/023—Re-forming glass sheets by bending
- C03B23/0235—Re-forming glass sheets by bending involving applying local or additional heating, cooling or insulating means
Abstract
The invention relates to the technical field of glass processing, in particular to a processing method of multi-curved-surface glass, which comprises the following steps: (1) horizontally placing a mould in a glass bending forming furnace, wherein the mould is a square frame, the periphery of the square frame is a square column, and a plurality of columns are fixed in the square frame in parallel; (2) horizontally placing the flat glass on the mold; (3) the auxiliary heating part is arranged above the plane glass, the position of the auxiliary heating part is opposite to the position between two adjacent cylinders, the plane glass is positioned between the two adjacent cylinders and naturally softened into an arc shape after being heated by the auxiliary heating part, and the plane glass is changed into multi-curved-surface glass; (4) cooling and forming the multi-curved-surface glass; the auxiliary heating component and the plane glass are separated in the processing method of the multi-curved-surface glass, so that the plane glass is not imprinted, and the surface of the finally formed multi-curved-surface glass is round and smooth.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a processing method of multi-curved-surface glass.
Background
In the prior art, the multi-curved-surface glass can enable a user to more comfortably experience products from the aspects of vision, touch and the like, so that the multi-curved-surface glass is widely applied to important fields such as smart phones, medical treatment, industry, vehicle-mounted products and the like.
However, with the rapid development of the technology, people have higher and higher requirements on the appearance effect of the multi-curved glass, and therefore, how to manufacture the multi-curved glass with better visual effect, bring freshness to consumers and enhance the product competitiveness is one of the important development directions of the curved glass at present.
However, the existing technology for processing and manufacturing multi-curved-surface glass only stays on the technical level of processing one curved-surface glass, the processing of the single-curved-surface glass adopts a cluster of roll shafts to adjust out a corresponding curved surface, the softened glass enters the adjusted curved-surface model, and then the glass is cooled and formed; when the multi-curved-surface glass is processed, if the corresponding multi-curved-surface model is adjusted by the same method, the two surfaces of the multi-curved-surface glass are always in direct contact with other clamps or rails, and more or less marks are left on the multi-curved-surface glass.
Disclosure of Invention
The invention aims to provide a method for processing multi-curved-surface glass, and aims to solve the problem of imprint caused by processing curved-surface glass in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the processing method of the multi-curved glass, the middle of the multi-curved glass is a multi-curved surface, and the four peripheral parts of the multi-curved glass are planes, and the processing method comprises the following steps:
(1) horizontally placing a mould in a glass bending forming furnace, wherein the mould is a square frame, the periphery of the square frame is a square column, and a plurality of columns are fixed in the square frame in parallel;
(2) horizontally placing the flat glass on the mold;
(3) the auxiliary heating part is arranged above the plane glass, the position of the auxiliary heating part is opposite to the position between two adjacent cylinders, the plane glass is positioned between the two adjacent cylinders and naturally softened into an arc shape after being heated by the auxiliary heating part, and the plane glass is changed into multi-curved-surface glass;
(4) and cooling and forming the multi-curved-surface glass.
Before the auxiliary heating component is started, the method also comprises the step of controlling the basic temperature in the glass bending forming furnace to heat the plane glass and prevent the plane glass from softening.
Preferably, before the flat glass is horizontally placed on the mold, a high-temperature resistant interlayer is laid on the mold for isolating the mold from the flat glass or the multi-curved glass.
Preferably, the flat glass is horizontally placed on the mold, wherein the flat glass comprises a plurality of pieces of flat glass which are stacked.
Preferably, the plurality of cylinders fixed in parallel are the same in size and are equally spaced.
The processing method of the multi-curved-surface glass has the beneficial effects that:
1. compared with the prior art, the processing method of the multi-curved-surface glass comprises the steps of specially-made moulds and installing auxiliary heating parts above the plane glass, wherein the auxiliary heating parts are opposite to the positions between two adjacent cylinders, the part of the plane glass, which is positioned between the two adjacent cylinders, is naturally softened into an arc shape after being heated by the auxiliary heating parts, and the plane glass is changed into the multi-curved-surface glass; the auxiliary heating component is separated from the plane glass, so that the front surface of the plane glass is locally heated without leaving marks on the plane glass; when the plane glass is changed into the multi-curved-surface glass, the back surface of the plane glass is only contacted with the plane glass at the highest point of the cylinder, other positions are not contacted with the plane glass, and the glass at the highest point is not softened, so that marks cannot be generated at the positions, the surface of the finally formed multi-curved-surface glass is round and smooth, and then the multi-curved-surface glass is laminated with other glass and is hollow, and a final finished product is manufactured; the plane glass processed on the mould can be processed into a shape with a multi-curved surface in the middle, the peripheral edge part keeps the original plane shape, and the multi-curved surface shape in the middle has the characteristics of transparency, cleanness, anti-glare property, pressure resistance, high temperature resistance and the like; the edge part keeps the original plane shape, the hollow compounding and the doubling compounding can be conveniently realized by the edge part and other plate glass, the final structural glass can be directly put into a groove for installation and can be used for manufacturing a hidden frame curtain wall, the shape is complicated and changeable, the surface of the glass can be ensured to be smooth and transparent, no processing trace exists, and the optical characteristic of the original piece of glass is kept.
2. Compared with the prior art, the processing method of the multi-curved-surface glass comprises the steps of controlling the basic temperature in the glass bending forming furnace before the horizontally placed mould is placed in the glass bending forming furnace, heating the plane glass, preventing the plane glass from softening and deforming, and preventing the plane glass from being contacted with the mould to generate marks.
3. Compared with the prior art, the processing method of the multi-curved-surface glass comprises the step of laying a high-temperature resistant interlayer on the mold before the planar glass is horizontally placed on the mold for isolating the mold and the planar glass, so that the mold is protected from being scalded by the high-temperature planar glass, the mold is prevented from being in direct contact with the planar glass, and the glass is prevented from generating marks.
4. Compared with the prior art, the two pieces of plane glass are stacked, so that the formed 2 pieces of multi-curved glass can be processed into double-layer laminated glass, and the strength of the glass is increased. The invention can also adopt a plurality of pieces of plane glass to respectively place films to process into the multilayer laminated glass.
5. Compared with the prior art, the processing method of the multi-curved-surface glass has the advantages that the plurality of cylinders which are fixed in parallel are identical in size and are equidistant, the auxiliary heating parts are arranged above the plane glass, the auxiliary heating parts are opposite to the positions between two adjacent cylinders, and the symmetrical structure enables the plane glass to be heated more uniformly and is beneficial to temperature control.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of multi-curved glass before processing and forming according to an embodiment of the invention.
Fig. 2 is a schematic cross-sectional structure diagram of the multi-curved glass according to the embodiment of the present invention after processing and forming.
Description of the labeling: 1. the glass bending and forming device comprises a mould, 11, a square column body, 12, a cylinder, 2, a glass bending and forming furnace, 3, plane glass, 4, an auxiliary heating component, 5, multi-curved-surface glass, 6 and a film.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 and 2, an embodiment of the present invention provides a method for processing multi-curved glass, including the following steps:
step S101, horizontally placing a mold 1 in a glass bending forming furnace 2, wherein the mold 1 is a square frame, square columns 11 are arranged on the periphery of the square frame, and a plurality of cylinders 12 are fixed in the square frame in parallel;
step S102, horizontally placing the plane glass 3 on the mould 1;
step S103, installing an auxiliary heating component 4 above the plane glass 3, wherein the position of the auxiliary heating component 4 is over against the position between two adjacent cylinders 12, the part of the plane glass 3, which is positioned between the two adjacent cylinders 12, is naturally softened into an arc shape after being heated by the auxiliary heating component 4, and the plane glass 3 becomes multi-curved-surface glass 5;
and S104, cooling and forming the multi-curved-surface glass 5, wherein the effect of cooling the multi-curved-surface glass 5 can be achieved by reducing the temperature of the auxiliary heating part 4, and the effect of cooling and forming can also be achieved by conveying the mold 1 carrying the multi-curved-surface glass 5 to another glass forming furnace for forming together.
Before the auxiliary heating member 4 is activated in step S103, the basic temperature in the glass bending furnace 2 is controlled to heat and prevent the flat glass 3 from softening.
Preferably, the plurality of cylinders 12 fixed in parallel in step S101 have the same size and are equidistant, and the auxiliary heating component 4 is installed at a position where the planar glass 3 is heated more uniformly, which is beneficial to temperature control, so that the cross section of the processed glass is in a simple harmonic shape, the structure is firmer, and the optical characteristics are more uniform.
Preferably, before the step S102 of horizontally placing the flat glass 3 on the mold 1, a high temperature resistant interlayer (not shown in the figure) is laid on the mold 1 for isolating the mold 1 and the flat glass 3 or the multi-curved glass 5, so as to protect the mold: protecting the mould 1 from being scalded by the high-temperature plane glass 3; on the other hand, the protective glass: the mold 1 and the flat glass 3 are not brought into direct contact, and the glass is imprinted.
Preferably, the step S102 is to horizontally place the flat glass 3 on the mold 1, wherein the flat glass 3 includes two pieces of flat glass 3 stacked on top of each other, and the film 6 is placed between the two pieces of flat glass 3, so as to increase the strength of the glass.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (5)
1. The processing method of the multi-curved glass, the middle of the multi-curved glass is a multi-curved surface, and the four peripheral parts of the multi-curved glass are planes, and the processing method comprises the following steps:
(1) horizontally placing a mould in a glass bending forming furnace, wherein the mould is a square frame, the periphery of the square frame is a square column, and a plurality of columns are fixed in the square frame in parallel;
(2) horizontally placing the flat glass on the mold;
(3) the auxiliary heating part is arranged above the plane glass, the position of the auxiliary heating part is opposite to the position between two adjacent cylinders, the plane glass is positioned between the two adjacent cylinders and naturally softened into an arc shape after being heated by the auxiliary heating part, and the plane glass is changed into multi-curved-surface glass;
(4) and cooling and forming the multi-curved-surface glass.
2. The method for processing multi-curved glass according to claim 1, wherein: before the auxiliary heating component is started, the method also comprises the step of controlling the base temperature in the glass bending forming furnace to heat the plane glass and prevent the plane glass from softening.
3. The method for processing multi-curved glass according to claim 1, wherein: before the plane glass is horizontally placed on the mould, a high-temperature resistant interlayer is paved on the mould for isolating the mould from the plane glass or the multi-curved-surface glass.
4. The method for processing multi-curved glass according to claim 1, wherein: and horizontally placing the flat glass on the mold, wherein the flat glass comprises a plurality of pieces of flat glass which are stacked.
5. The method for processing multi-curved glass according to claim 1, wherein: the plurality of cylinders fixed in parallel are the same in size and are equidistant.
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CN108002693B true CN108002693B (en) | 2021-04-13 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2666908Y (en) * | 2003-11-04 | 2004-12-29 | 赵雁 | S-shape or wave shape curve glass forming apparatus |
CN101668710A (en) * | 2007-02-28 | 2010-03-10 | 康宁股份有限公司 | methods for forming compositions containing glass |
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- 2017-12-28 CN CN201711458958.5A patent/CN108002693B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2666908Y (en) * | 2003-11-04 | 2004-12-29 | 赵雁 | S-shape or wave shape curve glass forming apparatus |
CN101668710A (en) * | 2007-02-28 | 2010-03-10 | 康宁股份有限公司 | methods for forming compositions containing glass |
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