CN110028230B - Curved glass processing method - Google Patents
Curved glass processing method Download PDFInfo
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- CN110028230B CN110028230B CN201910330183.6A CN201910330183A CN110028230B CN 110028230 B CN110028230 B CN 110028230B CN 201910330183 A CN201910330183 A CN 201910330183A CN 110028230 B CN110028230 B CN 110028230B
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- Prior art keywords
- curved glass
- positioning
- glass
- positioning mark
- processing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
- B44B1/00—Artist's machines or apparatus equipped with tools or work holders moving or able to be controlled three-dimensionally for making single sculptures or models
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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
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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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
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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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
- C03C17/322—Polyurethanes or polyisocyanates
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
- C03C17/328—Polyolefins
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
- C03C2218/328—Partly or completely removing a coating
-
- 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
- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/355—Temporary coating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention provides a method for processing curved glass, which comprises the following steps: s10, manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in a non-bending area of the plane glass; s20, carrying out hot bending molding on the plane glass to obtain 3D curved glass; s30, carrying out fine carving on the 3D curved glass based on the positioning marks; and S40, removing the positioning mark. According to the processing method of the curved glass provided by the invention, the positioning mark is used as the positioning reference before the 3D curved glass is subjected to finish carving, so that the deviation of the positioning reference caused by the deformation of the arc edge when the arc edge is used for positioning is avoided, the dimensional accuracy of the 3D curved glass processed by the method can meet the standard requirement, and the production yield is high.
Description
Technical Field
The invention relates to the field of liquid crystal panel processing, in particular to a method for processing curved glass.
Background
The 3D curved glass is formed by placing a 2D glass sheet in a 3D mould and carrying out hot bending at high temperature, the inner frame cannot deform because the inner arc surface of the glass is determined by the arc surface of the 3D mould, and the outer edge of the glass deforms due to factors such as incorrect sheet placing of an operator, abnormal hot bending equipment, abnormal original size of the 2D glass sheet, low hot bending precision consistency and the like; in the prior art, a probe positioning mode is mostly adopted for CNC processing of bent and molded 3D curved glass. Measuring the outer edges of four edges of the 3D curved glass to obtain a CNC (computerized numerical control) machining center coordinate; the positioning method has the following problems: the periphery of the glass is deformed in the 3D curved glass hot bending process, X and Y coordinates for positioning the probe are inaccurate, the size precision of the processed 3D curved glass cannot meet the standard requirement, and the production yield is low.
Disclosure of Invention
Aiming at the defects in the prior art, the curved glass processing method provided by the invention solves the technical problems that in the existing 3D curved glass processing method, the dimensional accuracy of the processed 3D curved glass cannot meet the standard requirement, and the production yield is low.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a method for processing curved glass comprises the following steps:
s10, dividing a bending area and a non-bending area during hot bending on the plane glass, and manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in the non-bending area of the plane glass;
s20, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
s30, carrying out fine carving on the 3D curved glass based on the positioning marks;
and S40, removing the positioning mark.
Optionally, the positioning marks are two or more, and at least two positioning marks are distributed on two opposite sides of the non-bending area.
Optionally, the positioning mark is 2-3mm close to the edge of the non-bending area, and any two positioning marks are far away from each other.
Optionally, the positioning mark is a special pigment mark, and the special pigment is any one of a two-component solvent type polyurethane coating, a polyvinyl butyral coating and a chlorinated polypropylene coating; in step S40, the positioning marks are removed by engraving or polishing, chemical reagent.
Optionally, the positioning mark is a positioning hole formed in the reserved thickness of the 2D glass; in step S40, the positioning mark is removed by engraving or polishing.
Optionally, the registration mark is part of a transfer pattern; in step S40, a transfer film is further used to transfer the 3D curved glass to form a pattern on the glass surface, where the pattern on the transfer film is another part of the transfer pattern, and the transferred pattern and the positioning mark are fused to form a complete transfer pattern.
Optionally, the positioning mark is in the shape of a circle or a regular polygon, so that the geometric center of the positioning mark is convenient to find.
The invention also provides 3D curved glass, which comprises any one of the curved glass processing methods.
The invention has the beneficial effects that:
the invention provides a method for processing curved glass, which comprises the following steps: s10, dividing a bending area and a non-bending area during hot bending on the plane glass, and manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in the non-bending area of the plane glass; s20, carrying out hot bending molding on the plane glass to obtain 3D curved glass; s30, carrying out fine carving on the 3D curved glass based on the positioning marks; and S40, removing the positioning mark. According to the processing method of the curved glass provided by the invention, the positioning mark is adopted as the positioning reference before the 3D curved glass is subjected to the finish carving, so that the positioning reference deviation caused by the deformation of the arc edge when the arc edge is adopted for positioning is avoided, the dimensional accuracy of the 3D curved glass processed by the method can meet the standard requirement, and the production yield is high.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flow chart of a curved glass processing method;
FIG. 2 is a schematic view of glass;
FIG. 3 is a flow chart of the substeps of step S10 of the curved glass processing method;
FIG. 4 is a flow chart of another embodiment of a method of processing curved glass;
FIG. 5 is a flow chart of another embodiment of a method of processing curved glass;
FIG. 6 is a flow chart of another embodiment of a curved glass processing method;
FIG. 7 is a schematic representation of a fusion localization marker.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Referring to fig. 1, the method for processing curved glass provided by the present invention includes the following steps:
s10, manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in a non-bending area of the plane glass;
specifically, firstly, a glass substrate is manufactured into a 2D glass rough blank by a CNC cutting machine, precise CNC milling equipment is selected to perform precise profiling on the 2D glass rough blank to obtain 2D glass, most of machining allowance parts of the 2D glass rough blank after cutting are removed, and the size is controlled within the size tolerance requirement range. Referring to fig. 2, a bending region and a non-bending region during hot bending are formed on the 2D glass, and a positioning mark is formed in the non-bending region.
S20, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
specifically, carrying out hot bending forming treatment on the 2D glass with the positioning mark to obtain a 3D curved glass substrate I; and carrying out strengthening treatment after the 3D curved glass substrate I is cleaned by ultrasonic waves to obtain a 3D curved glass substrate II.
S30, carrying out fine carving on the 3D curved glass based on the positioning marks;
specifically, a finishing engraving machining coordinate system is established based on the positioning marks on the 3D curved surface glass substrate II, and finishing engraving treatment is carried out on the 3D curved surface glass substrate II so as to form textures or patterns on the surface of glass and open holes, and 3D curved surface glass III is obtained.
And S40, removing the positioning mark.
Specifically, the positioning mark on the 3D curved glass III is removed and cleaned by ultrasonic waves, and the 3D curved glass is obtained.
As a further improvement to the above solution, referring to fig. 3, the step S10 includes the following sub-steps:
s11, the positioning marks are two or more, and at least two positioning marks are distributed on two opposite side edges of the non-bending area;
in one embodiment, the number of the positioning marks is two, two positioning marks are arranged on the diagonal line of the 2D glass, and each positioning mark is close to the bending area; in another preferred embodiment, there may be a plurality of positioning marks, any two of the positioning marks are far apart, and at least two of the positioning marks are distributed on two opposite sides of the non-bending region.
S12, the positioning marks are close to the edges of the non-bending areas by 2-3mm, and the distance between any two positioning marks is longer.
As a further improvement to the above, please refer to fig. 4,
s10a, manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in a non-bending area of the plane glass, and the positioning mark is a special pigment mark;
s20a, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
s30a, carrying out fine carving on the 3D curved glass based on the positioning marks;
and S40a, removing the positioning marks by adopting fine carving or polishing and chemical reagents.
Specifically, in step S10a, the special pigment is not removed by water nor ultrasonic waves. Specifically, the special pigment is any one of two-component solvent type polyurethane paint, polyvinyl butyral paint and chlorinated polypropylene paint.
Specifically, in step S40a, the positioning mark is removed using engraving or polishing. The positioning marks can also be removed by corresponding chemical reagents according to the selected pigment. In one embodiment, the polyvinyl butyral coating is selected as the alignment mark, and the alignment mark can be removed by using methanol solvent because the polyvinyl butyral coating is dissolved in methanol.
As a further improvement to the above, please refer to fig. 5,
s10b, manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in a non-bending area of the plane glass, and the positioning mark is a positioning hole formed in the reserved thickness of the 2D glass;
s20b, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
s30b, carrying out fine carving on the 3D curved glass based on the positioning marks;
and S40b, removing the positioning marks by adopting a carving or polishing mode.
Specifically, in step S10b, the positioning mark is a positioning hole formed in the reserved thickness of the 2D glass, that is, a processed thickness of the 2D glass is reserved, a positioning hole is formed in the processed thickness of the reserved glass, and the depth of the positioning hole is smaller than the processed thickness of the reserved glass.
Specifically, in step S40b, the positioning mark is removed by engraving or polishing. Specifically, the 3D curved glass is processed to a required size, namely, the processing thickness of the reserved glass is removed to eliminate the positioning hole.
As a further improvement to the above, please refer to fig. 6 and 7,
s10c, manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in a non-bending area of the plane glass and is a part of the transfer printing pattern;
s20c, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
s30c, carrying out fine carving on the 3D curved glass based on the positioning marks;
and S40c, directly removing the positioning mark in a fusion mode.
Specifically, in step S10c, the positioning mark is a part of a transfer pattern, and another part of the transfer pattern is disposed on a transfer film.
Specifically, in step S40c, a transfer operation is performed on the 3D curved glass substrate ii by using the transfer film, and the transferred pattern and the positioning mark are fused to form a complete transfer pattern, that is, the positioning mark is directly removed by a fusion method.
As a further improvement to the above solution, the positioning mark is in the shape of a circle or a regular polygon, so that the geometric center of the positioning mark can be conveniently found. If the positioning mark is circular, finding the circle center; if the positioning mark is in a regular polygon shape, finding the center.
Based on the processing method of the curved glass provided in the above embodiment, the invention also provides 3D curved glass, and the 3D curved glass includes any one of the processing methods of the curved glass in the above embodiments. Because the 3D curved glass adopts the curved glass processing method in the above embodiment, the beneficial effects of the 3D curved glass refer to the above embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The method for processing the curved glass is characterized by comprising the following steps of:
s10, dividing a bending area and a non-bending area during hot bending on the plane glass, and manufacturing a positioning mark on the plane glass, wherein the positioning mark is manufactured in the non-bending area of the plane glass;
s20, carrying out hot bending molding on the plane glass to obtain 3D curved glass;
s30, carrying out fine carving on the 3D curved glass based on the positioning marks;
and S40, removing the positioning mark.
2. The curved glass processing method according to claim 1, wherein: the positioning marks are two or more, and at least two positioning marks are distributed on two opposite side edges of the non-bending area.
3. The curved glass processing method according to claim 1, wherein: the positioning marks are 2-3mm close to the edge of the non-bending area, and the distance between any two positioning marks is longer.
4. The curved glass processing method according to any one of claims 1 to 3, wherein: the positioning mark is a special pigment mark, and the special pigment is any one of a two-component solvent type polyurethane coating, a polyvinyl butyral coating and a chlorinated polypropylene coating; in step S40, the positioning marks are removed by engraving or polishing, chemical reagent.
5. The curved glass processing method according to any one of claims 1 to 3, wherein: the positioning mark is a positioning hole formed in the reserved thickness of the plane glass; in step S40, the positioning mark is removed by engraving or polishing.
6. The curved glass processing method according to any one of claims 1 to 3, wherein: the positioning mark is a part of a transfer printing pattern; in step S40, a transfer film is further used to transfer the 3D curved glass to form a pattern on the glass surface, where the pattern on the transfer film is another part of the transfer pattern, and the transferred pattern and the positioning mark are fused to form a complete transfer pattern.
7. The curved glass processing method according to claim 1, wherein: the positioning mark is in a shape of a circle or a regular polygon, so that the geometric center of the positioning mark is convenient to find.
8. 3D curved glass, comprising the curved glass processing method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330183.6A CN110028230B (en) | 2019-04-23 | 2019-04-23 | Curved glass processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330183.6A CN110028230B (en) | 2019-04-23 | 2019-04-23 | Curved glass processing method |
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| CN110028230A CN110028230A (en) | 2019-07-19 |
| CN110028230B true CN110028230B (en) | 2021-11-09 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113112923A (en) * | 2021-04-14 | 2021-07-13 | 武汉华星光电半导体显示技术有限公司 | Curved surface cover plate and bendable display device |
| CN114393470B (en) * | 2022-01-26 | 2023-05-23 | 济宁海富光学科技有限公司 | Processing method of arc-shaped glass substrate |
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