CN112551871A - 3D glass rolling hot bending die - Google Patents
3D glass rolling hot bending die Download PDFInfo
- Publication number
- CN112551871A CN112551871A CN202011562661.5A CN202011562661A CN112551871A CN 112551871 A CN112551871 A CN 112551871A CN 202011562661 A CN202011562661 A CN 202011562661A CN 112551871 A CN112551871 A CN 112551871A
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- China
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- die
- insert
- cavity
- male
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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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 provides a 3D glass rolling hot bending die, which comprises: a male die and a female die, wherein: the concave die comprises a main die body and an insert which is rotatably embedded in the main die body, a curved surface which is bent towards the outer side of the cavity is arranged on the rotating peripheral surface of the insert, the curved surface is positioned on one side of the center of the inlet of the cavity of the concave die and is a part of the cavity, when the die is closed, the curved surface is positioned on one side of the convex die and forms a coating on the edge of the convex die, and the lower edge of the curved surface is positioned below the convex die and is connected with the bottom surface of the cavity. According to the invention, the insert can move upwards along with the male die to rotate along with the male die through the rotating design of the insert, so that the interference of a cavity is avoided, the single-process pressing of a large-angle inner buckle product is successfully realized, the disassembly and the assembly and the replacement are convenient, and the integral rejection rate of the die is reduced.
Description
Technical Field
The invention relates to the technical field of glass processing, in particular to a 3D glass rolling hot bending die.
Background
The existing hot bending die cannot press 3D glass at the temperature of more than 90 degrees, the die cavity is seriously interfered, and the conventional die opening and closing can not be realized, so that a design gap exists in the field of hot bending of 3D glass at the temperature of more than 90 degrees.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a 3D glass rolling hot bending die.
The invention provides a 3D glass rolling hot bending die, which comprises: a male die and a female die, wherein:
the concave die comprises a main die body and an insert which is rotatably embedded in the main die body, a curved surface which is bent towards the outer side of the cavity is arranged on the rotating peripheral surface of the insert, the curved surface is positioned on one side of the center of the inlet of the cavity of the concave die and is a part of the cavity, when the die is closed, the curved surface is positioned on one side of the convex die and forms a coating on the edge of the convex die, and the lower edge of the curved surface is positioned below the convex die and is connected with the bottom surface of the cavity.
Preferably, the curved surface comprises an arc-shaped surface and an engagement surface engaged with the lower edge of the arc-shaped surface, the central angle of the arc-shaped surface is more than 90 degrees, when the die is closed, the arc-shaped surface is positioned on one side of the male die and wraps the edge of the male die, and the engagement surface is positioned below the male die and engaged with the bottom surface of the cavity.
Preferably, the male die comprises a connecting part and a profiling part which is fixed below the connecting part and is matched with the cavity; when the die is closed, the joining surface is located below the pressing portion, and the side edge of the arc-shaped surface, which is far away from one side of the joining surface, is located above the pressing portion and abuts against the side wall of the connecting portion.
Preferably, the upper surface of the die has a first step surface and a second step surface which are oppositely arranged at two sides of the inlet of the die cavity, and a connecting line of the first step surface and the second step surface is perpendicular to the rotating central line of the insert.
Preferably, the insert is of a columnar structure, an opening which is arranged along the length direction of the insert and penetrates through the insert in the axial direction is formed in the peripheral surface of the insert, and the curved surface is the inner wall surface of the opening.
Preferably, the main mold body is provided with a through groove which extends linearly and has two through ends, and an arc-shaped groove which extends in the same direction and has two through ends is arranged at the joint of the side wall of the through groove and the bottom surface of the through groove; the insert is coaxially arranged in the arc-shaped through groove, and the opening of the insert faces the through groove and is matched with the through groove to form a cavity.
Preferably, there are two inserts, and the two inserts are arranged oppositely.
According to the invention, the insert is embedded in the main die body of the female die, the curved surface is arranged on the insert, the insert is positioned at the joint of the side surface and the bottom surface of the die cavity and can rotate, so that when the male die is closed downwards, the bottom of the male die is in contact with the lower edge of the insert in advance and the insert rotates along with the descending of the male die, the upper edge of the curved surface of the insert is further close to the male die direction of the cavity gradually until the edge of the male die is coated, and when the male die is opened upwards, the insert is driven by the male die to rotate towards the direction away from the male die gradually until the male. The insert is designed to rotate, so that the insert can move upwards along with the male die to rotate along with the male die, the interference of a cavity is avoided, the single-process pressing of a large-angle inner buckle product is successfully realized, the disassembly and the assembly and the replacement are convenient, and the integral rejection rate of the die is reduced.
Drawings
Fig. 1 is an exploded view of a 3D glass roll hot bending mold according to the present invention.
Fig. 2 is an axial view of a 3D glass rolling hot bending mold according to the present invention in an exploded state.
Fig. 3 is a front view of a 3D glass rolling hot bending mold according to the present invention in a mold closing state.
Fig. 4 is an axial view of a 3D glass rolling hot bending mold according to the present invention in a mold closing state.
Fig. 5 is a front view of a 3D glass rolling hot bending mold according to the present invention in an open state.
Fig. 6 is an axial view of a 3D glass rolling hot bending mold according to the present invention in an open state.
Detailed Description
Referring to fig. 1-6, the invention provides a 3D glass rolling hot bending die, comprising: a punch 1 and a die, wherein:
the concave die comprises a main die body 2 and an insert 3 which is rotatably embedded in the main die body 2, a curved surface 31 which is bent towards the outer side of the die cavity is arranged on the rotating peripheral surface of the insert 3, the curved surface 31 is positioned on one side of the center of the inlet of the die cavity of the concave die and is a part of the die cavity, the curved surface 31 comprises an arc-shaped surface and an engagement surface which is connected with the lower edge of the arc-shaped surface, and the central angle of the arc-shaped surface is more than 90 degrees; when the die is closed, the curved surface 31 is positioned on one side of the male die 1, the arc surface of the curved surface 31 forms a coating on the edge of the male die 1, the upper edge of the arc surface is positioned above the pressing part 12 and is abutted against the side wall of the connecting part 11, the engagement surface of the curved surface 31 is positioned below the pressing part 12 and is engaged with the bottom surface of the die cavity, so that the insert 3 can gradually rotate towards the direction far away from the male die 1 along with the upward movement of the male die 1 when the die is opened, and the male die 1 is smoothly separated from the die cavity; when the die is closed, the bottom surface of the male die 1 is contacted with the joint surface in advance, so that the insert 3 can gradually rotate towards the male die 1 along with the downward movement of the male die 1 until the edge of the male die 1 is coated.
According to the invention, the insert 3 is embedded in the main die body 2 of the female die, the curved surface 31 is arranged on the insert 3, the insert 3 is positioned at the joint of the side surface and the bottom surface of the die cavity and can rotate, so that when the male die 1 is closed downwards, the bottom of the male die 1 is in contact with the lower edge of the insert 3 in advance and the insert 3 rotates along with the descending of the male die 1, further, the upper edge of the curved surface 31 of the male die 1 is enabled to gradually approach the direction of the cavity male die 1 until the edge of the male die 1 is coated, and when the male die 1 is opened upwards, the insert 3 is driven by the male die 1 to gradually rotate in the direction away from the male die 1 until the male die 1. The rotation design of the insert 3 enables the insert 3 to move upwards along with the male die 1 to rotate along with the male die, so that the interference of a cavity is avoided, the single-process pressing of a large-angle inner buckle product is successfully realized, the disassembly and the replacement are convenient, and the integral rejection rate of the die is reduced.
In addition, in the embodiment, the upper surface of the female die is provided with a first step surface 21 and a second step surface 22 which are oppositely arranged at two sides of the inlet of the cavity, and the connecting line of the first step surface 21 and the second step surface 22 is perpendicular to the rotating central line of the insert 3, when the female die is pressed, two ends of a workpiece to be pressed are respectively overlapped on the first step surface 21 and the second step surface 22 in advance, so that the first step surface 21 and the second step surface 22 are matched to support and limit the workpiece.
In this embodiment, two inserts 3 are provided, and the two inserts 3 are arranged oppositely to machine a workpiece bent at two sides.
In this embodiment, the insert 3 is a columnar structure, an opening is formed on the peripheral surface of the insert and arranged along the length direction of the insert, and the opening is axially through, and the curved surface 31 is the inner wall surface of the opening; the female die is provided with a through groove which extends linearly and is communicated with two ends of the through groove, and an arc-shaped groove which extends in the same direction and is communicated with the through groove is arranged at the joint of the side wall of the through groove and the bottom surface of the through groove; the insert 3 is coaxially arranged in the arc-shaped through groove, and the opening of the insert faces the through groove and is matched with the through groove to form a cavity. The arrangement of the structure can facilitate the replacement and installation of each part.
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 be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a 3D glass roll extrusion hot bending mould which characterized in that includes: a male die (1) and a female die, wherein:
the female die comprises a main die body (2) and an insert (3) which is rotatably embedded in the main die body (2), a curved surface (31) which is bent towards the outer side of a cavity is arranged on the rotating peripheral surface of the insert (3), the curved surface (31) is positioned on one side of the center of the inlet of the cavity of the female die and is a part of the cavity, when the female die is closed, the curved surface (31) is positioned on one side of the male die (1) and covers the edge of the male die (1), and the lower edge of the curved surface (31) is positioned below the male die (1) and is connected with the bottom surface of the cavity.
2. A 3D glass rolling hot bending mould according to claim 1, characterized in that the curved surface (31) comprises an arc-shaped surface and an engagement surface engaging with the lower edge of the arc-shaped surface, the central angle of the arc-shaped surface is larger than 90 °, and when the mould is closed, the arc-shaped surface is positioned at one side of the male mould (1) and covers the edge of the male mould (1), and the engagement surface is positioned below the male mould (1) and engages with the bottom surface of the cavity.
3. 3D glass-rolling hot-bending mould according to claim 2, characterized in that the male mould (1) comprises a connecting part (11) and a profiling part (12) fixed below the connecting part (11) and adapted to the cavity; when the die is closed, the joint surface is positioned below the profiling part (12), and the side edge of the arc-shaped surface, which is far away from one side of the joint surface, is positioned above the profiling part (12) and is abutted against the side wall of the connecting part (11).
4. The 3D glass rolling hot bending die according to claim 1, wherein the upper surface of the female die is provided with a first step surface (21) and a second step surface (22) which are oppositely arranged at two sides of the inlet of the cavity of the female die, and the connecting line of the first step surface (21) and the second step surface (22) is vertical to the rotating central line of the insert (3).
5. The 3D glass rolling hot bending die according to claim 1, wherein the insert (3) is of a columnar structure, the peripheral surface of the insert is provided with an opening which is arranged along the length direction of the insert and axially penetrates through the insert, and the curved surface (31) is the inner wall surface of the opening.
6. The 3D glass rolling hot bending die according to claim 5, wherein the main die body (2) is provided with a through groove which extends linearly and has two through ends, and an arc-shaped groove which extends in the same direction and has two through ends is arranged at the joint of the side wall of the through groove and the bottom surface of the through groove; the insert (3) is coaxially arranged in the arc-shaped through groove, and the opening of the insert faces the through groove and is matched with the through groove to form a cavity.
7. The 3D glass roll hot bending die according to any one of claims 1 to 6, wherein two inserts (3) are provided, and the two inserts (3) are arranged oppositely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562661.5A CN112551871B (en) | 2020-12-25 | 2020-12-25 | 3D glass rolling hot bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562661.5A CN112551871B (en) | 2020-12-25 | 2020-12-25 | 3D glass rolling hot bending die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112551871A true CN112551871A (en) | 2021-03-26 |
| CN112551871B CN112551871B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011562661.5A Active CN112551871B (en) | 2020-12-25 | 2020-12-25 | 3D glass rolling hot bending die |
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| Country | Link |
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| CN (1) | CN112551871B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207259369U (en) * | 2017-12-06 | 2018-04-20 | 东莞市篮宝碳素科技有限公司 | A kind of curved surface forming mould and bend glass plate forming device |
| US20190071343A1 (en) * | 2017-09-06 | 2019-03-07 | AGC Inc. | 3d cover glass, mold for molding same, and method for manufacturing 3d cover glass |
| CN110790493A (en) * | 2018-08-03 | 2020-02-14 | 瑞声精密制造科技(常州)有限公司 | Glass plate processing method and glass plate processing die |
| CN211141883U (en) * | 2019-12-03 | 2020-07-31 | 深圳市东方碳素实业有限公司 | Hot bending die |
-
2020
- 2020-12-25 CN CN202011562661.5A patent/CN112551871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190071343A1 (en) * | 2017-09-06 | 2019-03-07 | AGC Inc. | 3d cover glass, mold for molding same, and method for manufacturing 3d cover glass |
| CN207259369U (en) * | 2017-12-06 | 2018-04-20 | 东莞市篮宝碳素科技有限公司 | A kind of curved surface forming mould and bend glass plate forming device |
| CN110790493A (en) * | 2018-08-03 | 2020-02-14 | 瑞声精密制造科技(常州)有限公司 | Glass plate processing method and glass plate processing die |
| CN211141883U (en) * | 2019-12-03 | 2020-07-31 | 深圳市东方碳素实业有限公司 | Hot bending die |
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| Publication number | Publication date |
|---|---|
| CN112551871B (en) | 2023-04-07 |
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Effective date of registration: 20230802 Address after: No. 001, Runhe Road, Changfeng Shuangfeng Economic Development Zone, Hefei, Anhui Province, 231100 Patentee after: Hefei jinlonghao Technology Co.,Ltd. Address before: No. 333, Huaishang District, Bengbu, Anhui, Anhui Patentee before: ANHUI JINLONGHAO PHOTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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