CN113560822B - Titanium or titanium alloy frame for mobile terminal and production process thereof - Google Patents
Titanium or titanium alloy frame for mobile terminal and production process thereof Download PDFInfo
- Publication number
- CN113560822B CN113560822B CN202110843429.7A CN202110843429A CN113560822B CN 113560822 B CN113560822 B CN 113560822B CN 202110843429 A CN202110843429 A CN 202110843429A CN 113560822 B CN113560822 B CN 113560822B
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- frame
- blank
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- titanium
- forging
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 29
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000010936 titanium Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract description 45
- 238000005242 forging Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 29
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 23
- 239000006104 solid solution Substances 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 11
- 238000009864 tensile test Methods 0.000 description 8
- 229910000838 Al alloy Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
- C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Signal Processing (AREA)
- Forging (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a titanium or titanium alloy frame for a mobile terminal and a production process thereof, and relates to the technical field of mobile terminal production. The technical scheme is characterized by comprising the following steps: s01, bending a material containing titanium to form a frame initial blank, wherein an unclosed welding part is formed on the frame initial blank; s02, welding and closing a welding part on the initial blank of the frame to form a frame welding blank; s03, welding a frame Mao Peijin to form solid solution at high temperature; s04, forging the frame welding blank subjected to high-temperature solid solution to form a frame forging blank; s05, flattening the frame forging blank; s06, forging blanks on the flattened frames for machining. The invention has the advantages of high structural strength and good flatness, and can improve the production efficiency and reduce the production cost.
Description
Technical Field
The invention relates to the technical field of mobile terminal production, in particular to a titanium or titanium alloy frame for a mobile terminal and a production process thereof.
Background
Currently, a frame of a mobile terminal (including a mobile phone, a tablet personal computer and the like) is generally made of an aluminum alloy material, and the whole frame is made of an aluminum alloy plate through machining.
However, as the requirements of consumers on mobile terminals are increasing, light, thin and large screen is a trend of mobile terminals, and the strength of the aluminum alloy frame cannot meet the requirements.
Compared with aluminum alloy, the titanium alloy has the characteristics of high strength, high affinity, good sound transmission, good metal texture and the like, and can better meet the requirements of the mobile terminal.
However, if the entire frame is machined from a titanium alloy sheet material, there are problems of low machining efficiency and high production cost, as compared with aluminum alloy.
The prior Chinese patent with the publication number of CN108605061B discloses a mobile phone, a mobile phone frame and a manufacturing method thereof, wherein the mobile phone frame comprises an outer frame and an intermediate plate, the outer frame is obtained by bending a titanium alloy strip material in a preset size, the intermediate plate is made of aluminum or titanium alloy, a preset shape is formed after stamping, and then the outer frame and the intermediate plate are fixedly connected in an injection molding mode.
However, the mobile phone frame is fixedly connected in an injection molding manner, so that the strength of the mobile phone frame needs to be improved.
The prior Chinese patent with the publication number of CN107097049B discloses a processing method of a titanium or titanium alloy mobile phone shell, which is used for forming the mobile phone shell through one-time preforming and twice forging processes, thereby achieving the purposes of improving the production efficiency and reducing the cost.
However, the mobile phone frame and the mobile phone shell are different in structure, and the mobile phone frame is easy to deform, so that the structural strength and the flatness of the mobile phone frame are difficult to ensure simultaneously.
Disclosure of Invention
Aiming at the defects of the prior art, one of the purposes of the invention is to provide a production process of a titanium or titanium alloy frame for a mobile terminal, which has the advantages of high structural strength and good flatness, and can improve the production efficiency and reduce the production cost.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a process for producing a titanium or titanium alloy frame for a mobile terminal, comprising the steps of:
s01, bending a material containing titanium to form a frame initial blank, wherein an unclosed welding part is formed on the frame initial blank;
s02, welding and closing a welding part on the initial blank of the frame to form a frame welding blank;
s03, welding a frame Mao Peijin to form solid solution at high temperature;
s04, forging the frame welding blank subjected to high-temperature solid solution to form a frame forging blank;
s05, flattening the frame forging blank;
s06, forging blanks on the flattened frames for machining.
Further, in step S01, the material includes a rod or a wire.
Further, the end part of the material is provided with a welding end in a truncated cone shape.
Further, in step S01, the material is a titanium material or a titanium alloy material.
Further, in step S01, the frame initial blank is formed by four folds of a material.
Further, in step S02, the welded portion of the frame starting blank is closed by vacuum welding.
Further, in step S04, the frame welding blank after the high-temperature solid solution is forged by a die to form a frame forging blank.
Further, in step S04, the method further includes vacuum annealing the frame forging blank.
Further, the mobile terminal comprises a mobile phone, a tablet computer or a notebook computer.
Another object of the present invention is to provide a titanium or titanium alloy frame for a mobile terminal, which is manufactured by the above-mentioned manufacturing process.
In summary, the invention has the following beneficial effects:
the titanium or titanium alloy frame has the advantages of high structural strength and good flatness, and can improve the production efficiency and reduce the production cost.
Drawings
FIG. 1 is a schematic view of the structure of an initial blank of a frame in a process for producing a titanium or titanium alloy frame for a mobile terminal in example 1;
fig. 2 is a schematic diagram of a structure of a frame forging blank in a process for producing a titanium or titanium alloy frame for a mobile terminal in embodiment 1.
In the figure: 1. a frame initial blank; 11. a material; 12. a welding end; 13. a welding part; 2. the frame forges blanks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Example 1:
a process for producing a titanium or titanium alloy frame for a mobile terminal, with reference to fig. 1 and 2, comprising the steps of:
s01, bending the material 11 made of the titanium-containing material to form a frame initial blank 1, wherein an unclosed welding part 13 is formed on the frame initial blank 1.
Specifically, in this embodiment, the frame initial blank 1 is formed by four times of bending a piece of material 11, and only one welding portion 13 is formed on the frame initial blank 1; the material 11 is adopted for bending, so that the production efficiency can be improved, the number of welding parts 13 can be reduced, the structural strength of the frame can be improved, and the flatness of the frame can be guaranteed; in this embodiment, the material 11 includes a rod or wire, and is made of titanium or a titanium alloy, preferably a titanium alloy.
In the embodiment, the material 11 is bent to form the frame initial blank 1, so that the material utilization rate can be effectively improved, and the production cost can be reduced.
S02, welding and closing the welding part on the initial blank of the frame to form a frame welding blank.
Specifically, since titanium or titanium alloy has high chemical activity and is easily oxidized, the welded portion 13 of the frame starting blank 1 is closed by vacuum welding in this embodiment to form a frame welded blank.
In this embodiment, the welding portion 13 includes a welding end 12 formed at an end of the material 11, and the welding end 12 is in a truncated cone shape, so as to improve the welding effect; in alternative embodiments, the weld end 12 may take other shapes, without limitation.
S03, welding the frame Mao Peijin to form solid solution at high temperature.
S04, forging the frame welding blank after high-temperature solid solution to form a frame forging blank.
Specifically, in this embodiment, the frame welding blank after high-temperature solid solution is forged by a die to form a frame forging blank 2; the mobile terminal includes a mobile phone, a tablet computer or a notebook computer, and the frame forging blank 2 in this embodiment is used for the tablet computer, and in other alternative embodiments, the frame forging blank 2 suitable for the mobile phone or the notebook computer may be formed by replacing a mold, which is not limited herein.
In the embodiment, after the frame welding blank 2 is subjected to high-temperature solid solution, metallographic structures of the welding part and other parts are thickened, and after forging, the strength, compactness and performance of the frame welding blank can be equivalent to those of bars or wires, so that the overall structural strength and performance of the frame can be improved.
The frame forging blank 2 in this embodiment is also subjected to a vacuum annealing treatment to relieve stress, thereby preventing subsequent buckling deformation.
In this embodiment, two sets of tensile tests were performed, and each set of tensile test objects includes a material and a frame forging blank obtained by welding, solid solution, forging, and annealing the material, respectively. Wherein tables 1 and 2 are the tensile test data and curves of the materials in group 1, tables 3 and 4 are the tensile test data and curves of the frame forging blanks in group 1, tables 5 and 6 are the tensile test data and curves of the materials in group 2, and tables 7 and 8 are the tensile test data and curves of the frame forging blanks in group 2.
The specific tensile test data are shown below:
TABLE 1
TABLE 2
TABLE 3 Table 3
TABLE 4 Table 4
TABLE 5
TABLE 6
TABLE 7
TABLE 8
From the above two groups of tensile tests, the frame in this embodiment is not integrally formed of a titanium alloy material, and is fixedly connected by welding, but the strength of the frame in this embodiment is equivalent to that of a material, that is, the strength and performance of the frame can be effectively ensured, and further, the production efficiency can be improved, and the production cost can be reduced.
S05, leveling the frame forging blank 2.
Specifically, after the frame forging blank 2 is flattened in the embodiment, the flatness of the frame forging blank 2 can be effectively ensured, the warp of the frame forging blank 2 is prevented, and the machining precision of subsequent machining is conveniently ensured.
S06, forging the flattened frame into the blank 2 for machining.
Specifically, in this embodiment, the flattened frame forging blank 2 is manufactured into a finished product after CNC processing, that is, the machining in this step is final finish machining; in alternative embodiments, the machining of this step may also be rough machining, followed by finishing or other processing steps, without limitation.
Example 2:
a titanium or titanium alloy frame for a mobile terminal, made by the production process of example 1; the mobile terminal comprises a mobile phone, a tablet computer or a notebook computer and the like.
Claims (4)
1. A process for producing a titanium or titanium alloy frame for a mobile terminal, comprising the steps of:
s01, bending a material containing titanium to form a frame initial blank, wherein an unclosed welding part is formed on the frame initial blank;
s02, welding and closing a welding part on the initial blank of the frame to form a frame welding blank;
s03, welding a frame Mao Peijin to form solid solution at high temperature;
s04, forging the frame welding blank subjected to high-temperature solid solution to form a frame forging blank;
s05, flattening the frame forging blank;
s06, forging blanks of the flattened frames to be machined;
in step S02, the welded portion of the frame initial blank is closed by vacuum welding;
in step S04, the method further comprises vacuum annealing the frame forging blank;
in step S01, the material comprises a rod or wire;
the end part of the material is provided with a welding end in a round table shape;
in the step S01, the frame initial blank is formed by bending a material four times;
in step S04, the frame welding blank after high-temperature solid solution is forged by a die to form a frame forging blank.
2. The process for producing a titanium or titanium alloy frame for a mobile terminal according to claim 1, wherein: in step S01, the material is a titanium material or a titanium alloy material.
3. The process for producing a titanium or titanium alloy frame for a mobile terminal according to claim 1, wherein: the mobile terminal comprises a mobile phone, a tablet computer or a notebook computer.
4. A titanium or titanium alloy frame for a mobile terminal, characterized by: manufactured by the production process according to any one of claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843429.7A CN113560822B (en) | 2021-07-26 | 2021-07-26 | Titanium or titanium alloy frame for mobile terminal and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110843429.7A CN113560822B (en) | 2021-07-26 | 2021-07-26 | Titanium or titanium alloy frame for mobile terminal and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113560822A CN113560822A (en) | 2021-10-29 |
| CN113560822B true CN113560822B (en) | 2024-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110843429.7A Active CN113560822B (en) | 2021-07-26 | 2021-07-26 | Titanium or titanium alloy frame for mobile terminal and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113560822B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204559655U (en) * | 2015-04-02 | 2015-08-12 | 深圳市长盈精密技术股份有限公司 | Mobile phone middle frame structure |
| DE202015104558U1 (en) * | 2015-08-27 | 2015-10-08 | Asia Vital Components Co. Ltd. | Intermediate frame with thermal lock and electronic device with this intermediate frame |
| CN205356439U (en) * | 2015-12-30 | 2016-06-29 | 深圳市大富科技股份有限公司 | Cell -phone and cell -phone center thereof |
| CN205453804U (en) * | 2015-12-30 | 2016-08-10 | 深圳市大富科技股份有限公司 | Cell -phone and frame thereof |
| CN107322245A (en) * | 2017-08-22 | 2017-11-07 | 东莞市湘将鑫精密科技有限公司 | The production technology of mobile phone center and mobile phone framework containing the mobile phone center |
| CN108115369A (en) * | 2018-01-17 | 2018-06-05 | 广东长盈精密技术有限公司 | Mobile phone center processing technology |
-
2021
- 2021-07-26 CN CN202110843429.7A patent/CN113560822B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204559655U (en) * | 2015-04-02 | 2015-08-12 | 深圳市长盈精密技术股份有限公司 | Mobile phone middle frame structure |
| DE202015104558U1 (en) * | 2015-08-27 | 2015-10-08 | Asia Vital Components Co. Ltd. | Intermediate frame with thermal lock and electronic device with this intermediate frame |
| CN205356439U (en) * | 2015-12-30 | 2016-06-29 | 深圳市大富科技股份有限公司 | Cell -phone and cell -phone center thereof |
| CN205453804U (en) * | 2015-12-30 | 2016-08-10 | 深圳市大富科技股份有限公司 | Cell -phone and frame thereof |
| CN107322245A (en) * | 2017-08-22 | 2017-11-07 | 东莞市湘将鑫精密科技有限公司 | The production technology of mobile phone center and mobile phone framework containing the mobile phone center |
| CN108115369A (en) * | 2018-01-17 | 2018-06-05 | 广东长盈精密技术有限公司 | Mobile phone center processing technology |
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| Publication number | Publication date |
|---|---|
| CN113560822A (en) | 2021-10-29 |
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