CN111204961A - Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof - Google Patents
Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof Download PDFInfo
- Publication number
- CN111204961A CN111204961A CN202010050596.1A CN202010050596A CN111204961A CN 111204961 A CN111204961 A CN 111204961A CN 202010050596 A CN202010050596 A CN 202010050596A CN 111204961 A CN111204961 A CN 111204961A
- Authority
- CN
- China
- Prior art keywords
- die
- groove
- bending
- hyperbolic
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
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
- C03B23/0302—Re-forming glass sheets by bending by press-bending between shaping moulds between opposing full-face shaping moulds
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 invention discloses a hyperbolic bending die device, hyperbolic bending glass and a manufacturing method of the hyperbolic bending glass. The double-curve bending die device comprises a first die and a second die, wherein the first die comprises a first upper die and a first lower die, the first upper die is provided with a first lug, the first lower die is provided with a first groove, and the first lug is matched with the first groove to realize hot bending forming of a glass substrate to form a first forming intermediate; the second mould includes mould, second lower mould and wedge slider on the second, and the second lower mould has the second and leads to the groove, and the tank bottom surface that the groove was led to the second has convex boss structure, and boss structure's relative both sides have convex and be the curved surface form's formed part, and the tank bottom surface swing joint that the groove was led to the second has the wedge slider of distributing in the relative both sides of boss structure, and the wedge slider has the curved surface form's with the formed part adaptation towards the side of formed part shaping groove. The hyperbolic bending die device can be used for preparing hyperbolic bending glass, and can realize the hot bending forming of the glass into a shape of more than 90 degrees.
Description
Technical Field
The invention relates to the field of electronic components, in particular to a hyperbolic bending die device, hyperbolic bending glass and a manufacturing method of the hyperbolic bending glass.
Background
The curved screen is formed by bending the left and right sides of the screen downwards instead of a piece of pure flat glass. The double curved surface is more beautiful in appearance design and more comfortable in hand feeling. At present, screens of medium and high-end machines of many electronic products such as mobile phone products are made of 3D glass. Since 2018, 3D glass shells are adopted successively on mobile phones by some large-brand mobile phone terminals, the 3D glass becomes a standard of a high-end mainstream machine type, and the key of 3D curved surface forming is a hot bending process. The conventional 3D curved surface forming process is a fusion process. The welding process has the advantages of being capable of bending two sides, three sides, four sides, elastically changing the R corners of the inner surface and the outer surface, and the like, and has the characteristics of being capable of changing the thickness of the frame, welding multiple layers of glass, and the like. However, the most fatal defects of the process are insufficient strength of the welding part, immature bonding technology, low color selectivity and the like. In addition, because the fusion glass is composed of the middle frame and the 2D sheet, the two glass materials are required to be consistent. Limited by the 2D sheet and center frame glass thickness, the thickness and camber of the glass of the fusion process is also limited to narrow ranges. In addition, the fusion process is not suitable for fusion of large size glass due to the strength problem of the fusion site.
Disclosure of Invention
Accordingly, there is a need for a hyperbolic bending mold apparatus, a method for manufacturing hyperbolic bent glass, and hyperbolic bent glass manufactured by the method. The manufacturing method for the hyperbolic bent glass of the mobile phone screen can overcome the defects that the conventional 3D glass cannot be bent to form a shape of more than 90 degrees, the strength of a welding part of the welding forming of the curved screen is insufficient, the process is complex and the defects that the welding forming of a 2D piece and a middle frame glass made of different materials cannot be carried out in the conventional technology are overcome.
A hyperbolic bending die device comprises a first die and a second die, wherein the first die comprises a first upper die and a first lower die, the first upper die is provided with a first convex block, the first lower die is provided with a first groove, and the first convex block and the first groove are matched to realize hot bending forming of a glass substrate to form a first forming intermediate;
the second mould includes mould, second lower mould and wedge slider on the second, the second lower mould has the second and leads to the groove, the tank bottom surface that the second led to the groove has convex boss structure, boss structure's relative both sides have convex and the terminal surface is the formed part of curved form, the tank bottom surface swing joint that the second led to the groove has two distribute in boss structure's relative both sides wedge slider, wedge slider orientation the side of formed part have with the shaping groove of the curved form of formed part adaptation, the second go up the mould can with the cooperation of second lower mould is in order to realize two wedge slider orientation corresponds the formed part removes, the formed part with the cooperation of shaping groove is in order to realize first shaping midbody shaping forms interior knot structure.
In one embodiment, the inner wall of the first groove is in smooth transition with the bottom surface of the groove.
In one embodiment, the second upper die is provided with second protrusions which are oppositely arranged and have wedge-shaped structures, and when the second upper die gradually approaches the second lower die, the second protrusions gradually press the two wedge-shaped sliders to move towards the corresponding formed part.
In one embodiment, a fitting groove with a variable size is formed between the wedge-shaped sliding block and the inner wall of the second through groove, the maximum size of the fitting groove is matched with that of the second bump, the height of the second bump is consistent with the depth of the second through groove, when the second upper die and the second lower die are closed, the second bump is completely accommodated in the fitting groove, and the forming part is meshed with the forming groove.
In one embodiment, the second upper die further has a positioning column located on the same surface as the second protrusion, and the second lower die has a positioning groove located on the same surface as the second through groove and matched with the positioning column.
A manufacturing method of hyperbolic bent glass comprises the following steps:
(1) hot bending and molding the glass substrate to form a first molding intermediate body, wherein the molding angle is 90 degrees;
(2) hot bending and molding the first molding intermediate to form a second molding intermediate with an inner buckle structure, wherein the molding angle is 150-176 degrees;
(3) cutting, polishing and forming the second forming intermediate to form a first semi-finished product;
(4) carrying out chemical toughening treatment on the first semi-finished product to form a second semi-finished product;
(5) and decorating the surface of the second semi-finished product.
In one embodiment, the glass substrate in step (1) is obtained by cutting a glass raw material into a predetermined shape.
In one embodiment, the hot bending forming process in the step (1) is 760-830 ℃, and the hot bending machine beat is 65-125 s, and/or the hot bending forming process in the step (2) is 770-850 ℃, and the hot bending machine beat is 75-120 s.
In one embodiment, the step (1) specifically includes the following steps: and placing the glass substrate in a first lower die of the first die, and performing hot bending forming on the glass substrate through matching of a first upper die and the first lower die of the first die to form the first forming intermediate.
In one embodiment, the step (2) specifically includes the following steps: and placing the first forming intermediate body into a second lower die of the second die, and gradually pressing down the first forming intermediate body to the second lower die through a second upper die of the second die so as to enable the two wedge-shaped sliding blocks to move towards the corresponding formed parts, so that the first forming intermediate body is subjected to hot bending forming to form the second forming intermediate body with the inner buckle structure.
The hyperbolic bent glass is prepared by the manufacturing method of the hyperbolic bent glass.
The hyperbolic bending die device can be used for preparing hyperbolic bending glass, can realize the hot bending forming of the glass to be more than 90 degrees, effectively improves the strength of a welding part of the welding forming of the curved screen, and can be suitable for the defect that the dissimilar materials of 2D sheets and middle frame glass cannot be used.
The manufacturing method of the hyperbolic bent glass has a simple process, and the method can be used for manufacturing the hyperbolic bent glass of a screen of an electronic product, such as a mobile phone screen, and realizes that the hyperbolic bent glass forms an inner buckle structure with a bending angle of 90-180 degrees.
Drawings
Fig. 1 is a schematic view of a first mold of a hyperbolic bending mold apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a first upper mold of the first mold shown in FIG. 1;
FIG. 3 is a first bottom view of the first mold shown in FIG. 1;
fig. 4 is a schematic view of a second mold of the hyperbolic bending mold device in embodiment 1 of the present invention;
FIG. 5 is a second upper die illustration of the second die shown in FIG. 4;
FIG. 6 is a second lower die schematic view of the second die shown in FIG. 4;
FIG. 7 is a schematic side view of a first forming intermediate;
FIG. 8 is a schematic side view of a second forming intermediate.
Description of the reference numerals
100: a first mold; 110: a first upper die; 111: a first bump; 120: a first lower die; 121: a first groove; 200: a second mold; 210: a second upper die; 211: a second bump; 212: a positioning column; 220: a second lower die; 221: a second through groove; 222: a boss structure; 2221: a forming member; 223: positioning a groove; 230: a wedge-shaped slider; 231: forming a groove; 240: a mating groove; 21: a first shaped intermediate; 22: a second shaped intermediate; 2201: an inner buckle structure.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
The embodiment provides a hyperbolic bending die device.
The double-curved bending die device includes a first die 100 and a second die 200.
Referring to fig. 1, a first mold 100 includes a first upper mold 110 and a first lower mold 120.
Referring to fig. 2, the first upper mold 110 has a first bump 111.
Referring to fig. 3, the first lower mold 120 has a first groove 121. The first bump 111 is matched with the first groove 121 to realize the hot bending forming of the glass substrate to form the first forming intermediate 21.
Referring to fig. 4, the second mold 200 includes a second upper mold 210, a second lower mold 220, and a wedge block 230.
Referring to fig. 6, the second lower mold 220 has a second through groove 221, a convex boss structure 222 is disposed on a bottom surface of the second through groove 221, and two opposite sides of the boss structure 222 have convex forming members 2221 with curved end surfaces. The bottom surface of the second through-slot 221 is movably connected with two wedge-shaped sliders 230 distributed on two opposite sides of the boss structure 222, and the side surface of the wedge-shaped slider 230 facing the forming member 2221 is provided with a curved forming slot 231 adapted to the forming member 2221. The second upper mold 210 can cooperate with the second lower mold 220 to realize the movement of the two wedge sliders 230 toward the corresponding molding pieces 2221, and the molding pieces 2221 cooperate with the molding grooves 231 to realize the molding of the first molded intermediate 21 into the female buckle structure 2201.
Further, as shown in fig. 1, the inner wall of the first groove 121 is smoothly transited from the bottom surface of the groove.
Further, referring to fig. 4 and 5, the second upper mold 210 has a second bump 211 disposed oppositely and having a wedge-shaped structure. As the second upper die 210 gradually moves closer to the second lower die 220, the second protrusion 211 gradually drives the two wedge sliders 230 to move toward the corresponding molding 2221.
Further, as shown in fig. 4, a fitting groove 240 with a variable size is formed between the wedge slider 230 and the inner wall of the second through groove 221, the maximum size of the fitting groove 240 is matched with the second protrusion 211, the height of the second protrusion 211 is the same as the depth of the second through groove 221, when the second upper mold 210 and the second lower mold 220 are closed, the second protrusion 211 is completely accommodated in the fitting groove 240, and the molding part 2221 is engaged with the molding groove 231.
Furthermore, the second upper mold 210 further has a positioning column 212 located on the same surface as the second protrusion 211, and the second lower mold 220 has a positioning slot 223 located on the same surface as the second through slot 221 and matching with the positioning column 212.
Preferably, the preparation material of the hyperbolic bending die device is graphite.
The hyperbolic bending die device can be used for preparing hyperbolic bending glass, can realize the hot bending forming of the glass to be more than 90 degrees, effectively improves the strength of a welding part of the welding forming of the curved screen, and can be suitable for the defect that the dissimilar materials of 2D sheets and middle frame glass cannot be used.
Example 2
The embodiment provides a manufacturing method of hyperbolic bent glass.
A manufacturing method of hyperbolic bent glass comprises the following steps:
(1) the glass substrate was hot-bend molded to form a first molded intermediate body 21 at a molding angle of 90 °, and the first molded intermediate body 21 is shown with reference to fig. 7.
(2) The first molded intermediate 21 is hot-bent to form a second molded intermediate 22 having an inside buckle structure 2201 at a molding angle of 150 ° to 176 °, and the second molded intermediate 22 is shown with reference to fig. 8.
(3) The second molded intermediate 22 is cut, polished and molded to form a first semi-finished product.
(4) And carrying out chemical toughening treatment on the first semi-finished product to form a second semi-finished product.
(5) And decorating the surface of the second semi-finished product. The decoration mode can use the processes of plane printing, film coating and the like, and can also use the mode of attaching to attach the decoration film on the glass back plate.
The manufacturing method of the hyperbolic bent glass is simple in process, and the method can be used for manufacturing the hyperbolic bent glass of a screen of an electronic product, such as a mobile phone screen, and realizes that the hyperbolic bent glass forms an inner buckle structure 2201 with a bending angle of 90-180 degrees.
Example 3
The embodiment provides a manufacturing method of hyperbolic bent glass.
A manufacturing method of hyperbolic bent glass comprises the following steps:
(1) the glass substrate is obtained by cutting the glass raw material to a predetermined shape by CNC. The glass substrate was hot-bend-molded to form a first molded intermediate 21 with a molding angle of 90 °. The hot bending forming process in the step (1) is 760-830 ℃, and the beat of a hot bending machine is 65-125 s.
The step (1) specifically comprises the following steps: a glass substrate is placed in a first lower mold 120 of a first mold 100 of example 1, a first upper mold 110 of the first mold 100 is matched with the first lower mold 120, the first mold 100 is placed in a DTK hot bending machine, and the DTK hot bending machine carries out hot-press bending on the glass substrate to form a first molding intermediate 21, wherein the first molding intermediate 21 is shown in fig. 7.
(2) The first molded intermediate 21 is hot-bent to form the second molded intermediate 22 having the inside buckle structure 2201 at a molding angle of 176 °. The hot bending forming process in the step (2) is 770-850 ℃, and the beat of a hot bending machine is 75-120 s. The step (2) specifically comprises the following steps: the first molded intermediate 21 is placed in the second lower mold 220 of the second mold 200 of example 1, the second lower mold 220 is gradually pressed down by the second upper mold 210 of the second mold 200, after the second upper mold 210 and the second lower mold 220 are completely closed, the second mold 200 is placed in a euphoric macro-element hot bending machine, and the euphoric macro-element hot bending machine is hot-pressed to make the two wedge-shaped sliders 230 move towards the corresponding molded parts 2221, so as to hot-bend and mold the first molded intermediate 21 into the second molded intermediate 22 with the inner buckle structure 2201, and the second molded intermediate 22 is shown in fig. 8.
(3) And trimming the excess material of the second molding intermediate 22 by CNC cutting and finishing the shape, polishing after finishing, and removing the defects of concave and convex points and the like on the surface to enable the second molding intermediate to be flat and bright to form a first semi-finished product.
(4) And carrying out chemical toughening treatment on the first semi-finished product to form a second semi-finished product so as to enhance the strength of the second semi-finished product.
(5) And decorating the surface of the second semi-finished product in a plane printing and film coating mode. The decoration mode can use the processes of plane printing, film coating and the like, and can also use the mode of attaching to attach the decoration film on the glass back plate.
Example 4
The embodiment provides a method for manufacturing hyperbolic bent glass to prepare the hyperbolic bent mobile phone glass.
A manufacturing method of hyperbolic bent mobile phone glass comprises the following steps:
(1) selecting a glass raw material with the thickness of 0.65mm, and cutting the glass raw material to a preset shape through CNC to obtain the 2D glass substrate. The glass substrate was hot-bend-molded to form a first molded intermediate 21 with a molding angle of 90 °.
Specifically, a glass substrate is placed in a first lower mold 120 of a first mold 100 of example 1, a first upper mold 110 of the first mold 100 is engaged with the first lower mold 120, the first mold 100 is placed in a DTK hot bending machine, the DTK hot bending machine is hot-pressed to perform hot bending molding on the glass substrate, the glass substrate is cooled to room temperature after being molded and taken out, and a 90-degree right-angled bent edge is formed by hot bending of the 2D glass substrate, thereby forming a first molding intermediate 21. The hot bending forming embodiment adopts 11 work stations of a hot pressing forming machine and is divided into a preheating station, a forming station and a slow cooling station. The first mold 100 is moved by a deflector rod in a 90s cycle in a DTK hot bending machine, the temperature of a hot bending forming station is 780 ℃, and after the first mold 100 passes through a preheating station, a forming station and a slow cooling station, the 2D glass substrate is hot bent into a first forming intermediate 21 having a bent edge with a right angle of 90 °.
(2) The first molded intermediate 21 is hot-bent to form the second molded intermediate 22 having the inside buckle structure 2201 at a molding angle of 176 °.
The step (2) specifically comprises the following steps: the first molding intermediate 21 is placed in the second lower mold 220 of the second mold 200 of example 1, and is gradually pressed down to the second lower mold 220 through the second upper mold 210 of the second mold 200, after the second upper mold 210 and the second lower mold 220 are completely closed, the second mold 200 is placed in a euphoric macro-element hot bending machine, and the hot bending molding embodiment adopts a 27-station hot press molding machine which is divided into a preheating station, a molding station and a slow cooling station. The second mold 200 passes through a preheating station, a molding station and a slow cooling station through a deflector rod in a euphorbia macroelement hot bending machine at a temperature of 790 ℃ in a rhythm of 100s, and the euphorbia macroelement hot bending machine is used for hot pressing so that the two wedge-shaped sliders 230 move towards the corresponding molded part 2221 to hot-bend and mold the first molded intermediate 21 into the second molded intermediate 22 with the inside buckle structure 2201, namely, the 90-degree first molded intermediate 21 in the step (1) is hot-bent into a double-bent 176-degree second molded intermediate 22.
(3) And trimming the excess material of the second molding intermediate 22 by CNC cutting and finishing the shape, polishing after finishing, and removing the defects of concave and convex points and the like on the surface to enable the second molding intermediate to be flat and bright to form a first semi-finished product.
(4) And carrying out chemical toughening treatment on the first semi-finished product to form a second semi-finished product so as to enhance the strength of the second semi-finished product.
(5) And decorating the surface of the second semi-finished product in a plane printing and film coating mode.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The hyperbolic bending die device is characterized by comprising a first die and a second die, wherein the first die comprises a first upper die and a first lower die, the first upper die is provided with a first convex block, the first lower die is provided with a first groove, and the first convex block and the first groove are matched to realize hot bending forming of a glass substrate to form a first forming intermediate;
the second mould includes mould, second lower mould and wedge slider on the second, the second lower mould has the second and leads to the groove, the tank bottom surface that the second led to the groove has convex boss structure, boss structure's relative both sides have convex and the terminal surface is the formed part of curved form, the tank bottom surface swing joint that the second led to the groove has two distribute in boss structure's relative both sides wedge slider, wedge slider orientation the side of formed part have with the shaping groove of the curved form of formed part adaptation, the second go up the mould can with the cooperation of second lower mould is in order to realize two wedge slider orientation corresponds the formed part removes, the formed part with the cooperation of shaping groove is in order to realize detain structure in the shaping of first shaping midbody.
2. The hyperbolic bending die device according to claim 1, wherein the inner wall of the first groove is smoothly transited to the bottom surface of the groove.
3. The hyperbolic bending die device according to claim 1, wherein the second upper die has second protrusions in a wedge-shaped structure, the second protrusions are arranged oppositely, and when the second upper die gradually approaches the second lower die, the second protrusions gradually press the two wedge-shaped sliders to move toward the corresponding forming members.
4. The doubly curved bending die device according to claim 3, wherein a fitting groove with a variable size is formed between the wedge-shaped slider and the inner wall of the second through groove, the maximum size of the fitting groove is matched with the second protrusion, the height of the second protrusion is consistent with the depth of the second through groove, when the second upper die and the second lower die are closed, the second protrusion is completely accommodated in the fitting groove, and the forming part is engaged with the forming groove.
5. The doubly curved bending die device according to claim 3, wherein the second upper die further has a positioning column located on the same surface as the second protruding block, and the second lower die has a positioning groove located on the same surface as the second through groove and matched with the positioning column.
6. A manufacturing method of hyperbolic bent glass is characterized by comprising the following steps:
(1) hot bending and molding the glass substrate to form a first molding intermediate body, wherein the molding angle is 90 degrees;
(2) hot bending and molding the first molding intermediate to form a second molding intermediate with an inner buckle structure, wherein the molding angle is 150-176 degrees;
(3) cutting, polishing and forming the second forming intermediate to form a first semi-finished product;
(4) carrying out chemical toughening treatment on the first semi-finished product to form a second semi-finished product;
(5) and decorating the surface of the second semi-finished product.
7. The method for manufacturing the doubly curved bent glass according to claim 6, wherein the hot bending process in the step (1) is 760-830 ℃ and the tact of the hot bending machine is 65-125 s, and/or the hot bending process in the step (2) is 770-850 ℃ and the tact of the hot bending machine is 75-120 s.
8. The method for manufacturing the doubly curved bent glass according to claim 6, wherein the step (1) specifically comprises the following steps: placing the glass substrate in a first lower mold of a first mold according to any one of claims 1 to 5, and hot-bending the glass substrate by matching the first upper mold with the first lower mold of the first mold to form the first molded intermediate.
9. The method for manufacturing the doubly curved bent glass according to any one of claims 6 to 8, wherein the step (2) specifically comprises the steps of: placing the first molded intermediate body in a second lower die of a second die according to any one of claims 1 to 5, and gradually pressing down to the second lower die through a second upper die of the second die to move two wedge-shaped sliders toward corresponding molded parts to hot-bend-mold the first molded intermediate body into the second molded intermediate body having an inside-buckled structure.
10. A double curved glass produced by the method for producing a double curved glass according to any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050596.1A CN111204961A (en) | 2020-01-17 | 2020-01-17 | Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010050596.1A CN111204961A (en) | 2020-01-17 | 2020-01-17 | Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111204961A true CN111204961A (en) | 2020-05-29 |
Family
ID=70783642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010050596.1A Pending CN111204961A (en) | 2020-01-17 | 2020-01-17 | Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111204961A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111662000A (en) * | 2020-07-28 | 2020-09-15 | 深圳市东方碳素实业有限公司 | Hot bending die |
| CN111715783A (en) * | 2020-07-15 | 2020-09-29 | 安徽英力电子科技股份有限公司 | Rounding forming process for side wall of metal shell |
| KR20220146121A (en) * | 2021-04-23 | 2022-11-01 | 국민대학교산학협력단 | Apparatus and Method for Manufacturing Glass Substrate Having Bending Portion, and Glass Substrate Having Bending Portion |
| KR20230078011A (en) * | 2021-11-26 | 2023-06-02 | 주식회사 싸이텍 | Minimum contact type C glass molding device and A method of manufacturing C-type glass using this |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206858425U (en) * | 2017-07-03 | 2018-01-09 | 蓝思科技（长沙）有限公司 | A kind of hot bending die |
| CN208883702U (en) * | 2018-05-10 | 2019-05-21 | 东莞市瑞立达玻璃盖板科技股份有限公司 | A kind of hot bending graphite jig |
| CN208917069U (en) * | 2018-08-13 | 2019-05-31 | 东旭科技集团有限公司 | Bend glass hot bending mold and glass heat bender |
| KR20190071854A (en) * | 2017-12-14 | 2019-06-25 | 삼성디스플레이 주식회사 | Cover glass and manufacturing method thereof |
| CN209633808U (en) * | 2018-12-27 | 2019-11-15 | 皓宇智能有限公司 | The Molding Forming of Composites mould-matching structure |
-
2020
- 2020-01-17 CN CN202010050596.1A patent/CN111204961A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206858425U (en) * | 2017-07-03 | 2018-01-09 | 蓝思科技（长沙）有限公司 | A kind of hot bending die |
| KR20190071854A (en) * | 2017-12-14 | 2019-06-25 | 삼성디스플레이 주식회사 | Cover glass and manufacturing method thereof |
| CN208883702U (en) * | 2018-05-10 | 2019-05-21 | 东莞市瑞立达玻璃盖板科技股份有限公司 | A kind of hot bending graphite jig |
| CN208917069U (en) * | 2018-08-13 | 2019-05-31 | 东旭科技集团有限公司 | Bend glass hot bending mold and glass heat bender |
| CN209633808U (en) * | 2018-12-27 | 2019-11-15 | 皓宇智能有限公司 | The Molding Forming of Composites mould-matching structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111715783A (en) * | 2020-07-15 | 2020-09-29 | 安徽英力电子科技股份有限公司 | Rounding forming process for side wall of metal shell |
| CN111662000A (en) * | 2020-07-28 | 2020-09-15 | 深圳市东方碳素实业有限公司 | Hot bending die |
| CN111662000B (en) * | 2020-07-28 | 2024-03-26 | 深圳市东方碳素实业有限公司 | Hot bending die |
| KR20220146121A (en) * | 2021-04-23 | 2022-11-01 | 국민대학교산학협력단 | Apparatus and Method for Manufacturing Glass Substrate Having Bending Portion, and Glass Substrate Having Bending Portion |
| KR102650288B1 (en) * | 2021-04-23 | 2024-03-27 | 국민대학교산학협력단 | Apparatus and Method for Manufacturing Glass Substrate Having Bending Portion, and Glass Substrate Having Bending Portion |
| KR20230078011A (en) * | 2021-11-26 | 2023-06-02 | 주식회사 싸이텍 | Minimum contact type C glass molding device and A method of manufacturing C-type glass using this |
| KR102561839B1 (en) | 2021-11-26 | 2023-08-21 | 주식회사 싸이텍 | Minimum contact type C glass molding device and A method of manufacturing C-type glass using this |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111204961A (en) | Hyperbolic bending die device, hyperbolic bending glass and manufacturing method thereof | |
| CN107197063A (en) | A kind of hand-set lid and preparation method thereof and mobile terminal | |
| CN110790493A (en) | Glass plate processing method and glass plate processing die | |
| CN105798549A (en) | Manufacturing method for compound die-casting formed mobile phone middle frame | |
| JP3685961B2 (en) | Molding press | |
| CN110790495A (en) | Glass plate processing method and glass plate processing die | |
| CN112830667A (en) | Texture manufacturing method of glass piece and electronic equipment | |
| CN113292232A (en) | Manufacturing method of electronic device shell, electronic device shell and electronic device | |
| CN208980580U (en) | A kind of production mould of bend glass | |
| CN111116020A (en) | Hot forging forming processing technology for shell with different thicknesses of electronic device | |
| CN110978380A (en) | Process for manufacturing seamless combined double-layer or multi-layer decorative surface on surface of plastic shell | |
| CN109761482A (en) | A kind of preparation method of 3D cover board | |
| CN111423104B (en) | Hot bending forming device and hot bending forming method | |
| CN110790494A (en) | Glass plate processing method and glass plate processing die | |
| CN208759873U (en) | Three layers of production mould of the hot-forming inside gadget of automobile | |
| CN111116019A (en) | Hot bending processing technology for electronic device shell | |
| CN110272188B (en) | Hot bending forming method of shell, hot bending die set, shell and electronic equipment | |
| CN111152595A (en) | Cold carving processing technology for electronic device shell | |
| CN114872342B (en) | Novel fabric preforming method for inner buckling part and preparation mold thereof | |
| CN108381118B (en) | Preparation method of integrally-formed stainless steel insert structure | |
| CN208424455U (en) | A kind of shell of signal sending and receiving equipment | |
| CN111844792A (en) | Alignment tool and alignment method thereof | |
| CN113943098A (en) | Shell assembly, preparation method, mold and electronic equipment | |
| CN111718107A (en) | 3D glass, manufacturing method thereof, glass cover plate and electronic equipment | |
| JPH02145320A (en) | Manufacture of stereoscopic decoration piece of thermoplastic synthetic resin film and mold thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200529 |
|
| RJ01 | Rejection of invention patent application after publication |