CN112551872A - Manufacturing method of arc-shaped glass with single-side texture - Google Patents
Manufacturing method of arc-shaped glass with single-side texture Download PDFInfo
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- CN112551872A CN112551872A CN202011563727.2A CN202011563727A CN112551872A CN 112551872 A CN112551872 A CN 112551872A CN 202011563727 A CN202011563727 A CN 202011563727A CN 112551872 A CN112551872 A CN 112551872A
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- 239000011521 glass Substances 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000013003 hot bending Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000005242 forging Methods 0.000 claims description 12
- 238000003754 machining Methods 0.000 claims description 12
- 201000005947 Carney Complex Diseases 0.000 claims description 11
- 238000005498 polishing Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000011162 core material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009499 grossing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Classifications
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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
- C03B23/03—Re-forming glass sheets by bending by press-bending between shaping moulds
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- 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 invention discloses a method for manufacturing arc glass with single-sided textures. According to the manufacturing method of the arc glass with the single-sided texture, the arc glass with the texture on the single side of the concave surface is processed and formed, the core material texture on the glass substrate is hot-forged, the concave surface die print is easier to remove compared with the common hot bending process, the texture height and the R angle range are greatly increased, the 3D three-dimensional texture is clearer, various complex three-dimensional textures are covered on the back of the mobile phone by controlling the pressure, the time and the temperature, and the cost is saved.
Description
Technical Field
The invention relates to the technical field of manufacturing of arc-shaped glass textures, in particular to a manufacturing method of arc-shaped glass with single-sided textures.
Background
With the increasing demand of people on electronic products, 2.5D glass with arc edges and 3D glass with an integral arc surface are widely applied to replace planar 2D glass. At present, the three-dimensional texture effect of the rear cover of the mobile phone can be realized by a conventional hot bending process, the temperature is generally about 650 plus 740, the time is about 65 seconds per station, the pressure is about 100KG, and then the three-dimensional texture effect is realized by matching with a mold. The common processing technological process comprises the following steps: machining texture and appearance, then performing hot bending through a die, and finally tempering after polishing. However, the existing scheme realizes the stereoscopic texture effect and has a small feasibility range. The disadvantages of this solution are: 1) only a few simple texture effects can be made; 2) the height of the texture can be controlled below 0.3; 3) the R angle at the texture part can only be more than R1; 4) the impression at the texture of the concave surface of the glass is difficult to remove.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a manufacturing method of arc-shaped glass with single-sided textures.
The invention provides a method for manufacturing arc glass with single-sided textures, wherein convex surfaces and concave surfaces are respectively arranged on two sides of the arc glass, the concave surfaces are provided with the textures, and the method for manufacturing the arc glass comprises the following steps:
s1, primary CNC machining: processing the shape of the glass substrate;
s2, hot forging: forming a texture on one side of the processed glass substrate;
s3, secondary CNC machining: carrying out secondary processing on the appearance of the glass base material subjected to hot forging;
s4, hot bending: and (3) performing hot bending on the glass base material after the secondary processing.
Preferably, in S2, the textured glass substrate is subjected to primary polishing.
Preferably, in S2, a texture is formed on the lower surface of the glass substrate by the texture mold at the time of hot forging.
Preferably, in S4, the glass substrate is subjected to a smoothing before the hot bending.
Preferably, in S4, the glass substrate is hot-bent by a hot-bending mold, a mold cavity is arranged in the hot-bending mold, and an empty space corresponding to the texture on the glass substrate is arranged on the inner wall of the mold cavity.
Preferably, in S4, the glass substrate is subjected to secondary polishing after the hot bending.
Preferably, in S4, the glass substrate is strengthened after the secondary polishing.
According to the manufacturing method of the arc glass with the single-sided texture, the shape of a glass substrate is subjected to primary CNC machining, hot forging to form the texture, the shape of the glass substrate is subjected to secondary CNC machining, and hot bending are sequentially performed to form the arc glass with the texture on the concave surface. According to the manufacturing method of the arc glass with the single-sided texture, the arc glass with the texture on the single side of the concave surface is processed and formed, the core material texture on the glass substrate is hot-forged, the concave surface die print is easier to remove compared with the common hot bending process, the texture height and the R angle range are greatly increased, the 3D three-dimensional texture is clearer, various complex three-dimensional textures are covered on the back of the mobile phone by controlling the pressure, the time and the temperature, and the cost is saved.
Drawings
Fig. 1 is a schematic structural view of a single-sided textured curved glass according to the present invention.
Fig. 2 is a schematic view of a partial cross-sectional structure of an arc-shaped glass film with single-sided texture, according to the present invention.
Detailed Description
As shown in fig. 1 and 2, fig. 1 is a schematic structural view of an arc glass with single-sided texture according to the present invention, and fig. 2 is a schematic structural view of a partial cross section of the arc glass with single-sided texture after being filmed according to the present invention.
Referring to fig. 1 and 2, the arc glass to be manufactured by the manufacturing method of the arc glass with single-sided texture provided by the invention has the following structure: the arc-shaped glass is provided with a convex surface and a concave surface on two sides respectively, and the concave surface is provided with textures.
In order to manufacture the arc glass, the invention provides a method for manufacturing the arc glass with single-sided texture, which comprises the following steps:
s1, primary CNC machining: cutting a glass raw material in advance to form a glass substrate, and then processing the appearance of the glass substrate; CNC is precision machining;
s2, hot forging: forming a texture on one side of the processed glass substrate;
specifically, texture is formed on the lower surface of the glass substrate by a texture die during hot forging, namely the texture die forms texture on a lower die and forms a plane on an upper die, so that the outer side convex surface of a final product is smooth.
In order to reduce defects formed on the surface of the glass substrate after hot forging, the glass substrate on which the texture is formed is subjected to primary polishing.
S3, secondary CNC machining: carrying out secondary processing on the appearance of the glass base material subjected to hot forging;
s4, hot bending: and carrying out hot bending on the glass substrate after the secondary processing.
Specifically, the glass substrate is subjected to hot bending through a hot bending die, a die cavity is arranged in the hot bending die, and a clearance space corresponding to the texture on the glass substrate is arranged on the inner wall of the die cavity, so that the processed texture is protected from being damaged; preferably, the space between the inner wall of the cavity and the texture is about 0.05MM-2 MM.
In this process, the glass substrate is subjected to edge smoothing before hot bending, and is subjected to secondary polishing after hot bending; further, after the secondary polishing, the glass substrate is strengthened.
In this embodiment, the proposed method for manufacturing single-sided textured arc glass sequentially performs a first CNC machining profile, a hot forging to form texture, a second CNC machining profile, and a hot bending on a glass substrate to form the concave textured arc glass. According to the manufacturing method of the arc glass with the single-sided texture, the arc glass with the texture on the single side of the concave surface is processed and formed, the core material texture on the glass substrate is hot-forged, the concave surface die print is easier to remove compared with the common hot bending process, the texture height and the R angle range are greatly increased, the 3D three-dimensional texture is clearer, various complex three-dimensional textures are covered on the back of the mobile phone by controlling the pressure, the time and the temperature, and the cost is saved.
In a specific embodiment, the 3D glass picture file is converted into the 2D glass picture file through special software (UG or other software), the texture is made on the 2D glass through fine engraving, and then the position and the shape of the texture can be accurately ensured through hot bending forming.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to cover the technical scope of the present invention, and the equivalent replacement or modification of the inventive concept according to the technical solution of the present invention within the technical scope of the present invention.
Claims (7)
1. The manufacturing method of the arc glass with the single-sided texture is characterized by comprising the following steps of:
s1, primary CNC machining: processing the shape of the glass substrate;
s2, hot forging: forming a texture on one side of the processed glass substrate;
s3, secondary CNC machining: carrying out secondary processing on the appearance of the glass base material subjected to hot forging;
s4, hot bending: and carrying out hot bending on the glass substrate after the secondary processing.
2. The method of claim 1, wherein the textured glass substrate is polished at one time in step S2.
3. The method of claim 1, wherein the texture is formed on the lower surface of the glass substrate by the texture mold during the hot forging in S2.
4. The method of claim 1, wherein the glass substrate is finished prior to the hot bending in S4.
5. The method of claim 1, wherein in step S4, the glass substrate is hot bent by a hot bending mold, wherein a cavity is formed in the hot bending mold, and the inner wall of the cavity is provided with a clearance space corresponding to the texture on the glass substrate.
6. The method of claim 1, wherein the glass substrate is subjected to a secondary polishing step after the hot bending step in step S4.
7. The method of claim 6, wherein the glass substrate is strengthened after the secondary polishing in step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563727.2A CN112551872A (en) | 2020-12-25 | 2020-12-25 | Manufacturing method of arc-shaped glass with single-side texture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563727.2A CN112551872A (en) | 2020-12-25 | 2020-12-25 | Manufacturing method of arc-shaped glass with single-side texture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112551872A true CN112551872A (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011563727.2A Pending CN112551872A (en) | 2020-12-25 | 2020-12-25 | Manufacturing method of arc-shaped glass with single-side texture |
Country Status (1)
| Country | Link |
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| CN (1) | CN112551872A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113141430A (en) * | 2021-05-10 | 2021-07-20 | 蓝思科技（长沙）有限公司 | 3D glass with corrugated texture and polishing method thereof, mobile phone cover plate with corrugated texture and preparation method thereof and mobile phone |
| CN113219906A (en) * | 2021-04-23 | 2021-08-06 | 霖鼎光学(上海)有限公司 | Manufacturing method of integrally injection-molded rear cover of mobile terminal |
| CN115594392A (en) * | 2022-09-26 | 2023-01-13 | 合肥金龙浩科技有限公司（Cn） | Machining and forming process of 2D glass with different thicknesses and application of machining and forming process in mobile phone rear cover |
| CN115818934A (en) * | 2022-09-26 | 2023-03-21 | 合肥金龙浩科技有限公司 | Machining and forming method of 3D glass with different thicknesses for mobile phone rear cover |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201332914A (en) * | 2012-02-10 | 2013-08-16 | Hong Da Optronics Co Ltd | 3D bent thin glass and its manufacturing method |
| CN107197063A (en) * | 2017-07-18 | 2017-09-22 | 宇龙计算机通信科技(深圳)有限公司 | A kind of hand-set lid and preparation method thereof and mobile terminal |
| CN110845126A (en) * | 2019-11-04 | 2020-02-28 | Oppo广东移动通信有限公司 | Method for preparing electronic equipment shell, electronic equipment shell and electronic equipment |
| CN111377616A (en) * | 2018-12-29 | 2020-07-07 | 北京小米移动软件有限公司 | Manufacturing method of 3D curved glass with texture and terminal equipment shell |
| US20200339472A1 (en) * | 2018-05-21 | 2020-10-29 | Lg Chem, Ltd. | Method of manufacturing curved joined glass sheet and curved joined glass sheet manufactured by the same |
-
2020
- 2020-12-25 CN CN202011563727.2A patent/CN112551872A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201332914A (en) * | 2012-02-10 | 2013-08-16 | Hong Da Optronics Co Ltd | 3D bent thin glass and its manufacturing method |
| CN107197063A (en) * | 2017-07-18 | 2017-09-22 | 宇龙计算机通信科技(深圳)有限公司 | A kind of hand-set lid and preparation method thereof and mobile terminal |
| US20200339472A1 (en) * | 2018-05-21 | 2020-10-29 | Lg Chem, Ltd. | Method of manufacturing curved joined glass sheet and curved joined glass sheet manufactured by the same |
| CN111377616A (en) * | 2018-12-29 | 2020-07-07 | 北京小米移动软件有限公司 | Manufacturing method of 3D curved glass with texture and terminal equipment shell |
| CN110845126A (en) * | 2019-11-04 | 2020-02-28 | Oppo广东移动通信有限公司 | Method for preparing electronic equipment shell, electronic equipment shell and electronic equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113219906A (en) * | 2021-04-23 | 2021-08-06 | 霖鼎光学(上海)有限公司 | Manufacturing method of integrally injection-molded rear cover of mobile terminal |
| CN113141430A (en) * | 2021-05-10 | 2021-07-20 | 蓝思科技（长沙）有限公司 | 3D glass with corrugated texture and polishing method thereof, mobile phone cover plate with corrugated texture and preparation method thereof and mobile phone |
| CN113141430B (en) * | 2021-05-10 | 2022-09-13 | 蓝思科技（长沙）有限公司 | 3D glass with corrugated texture and polishing method thereof, mobile phone cover plate with corrugated texture and preparation method thereof and mobile phone |
| CN115594392A (en) * | 2022-09-26 | 2023-01-13 | 合肥金龙浩科技有限公司（Cn） | Machining and forming process of 2D glass with different thicknesses and application of machining and forming process in mobile phone rear cover |
| CN115818934A (en) * | 2022-09-26 | 2023-03-21 | 合肥金龙浩科技有限公司 | Machining and forming method of 3D glass with different thicknesses for mobile phone rear cover |
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Application publication date: 20210326 |
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