CN204770568U - Cell -phone is die casting die for center - Google Patents
Cell -phone is die casting die for center Download PDFInfo
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- CN204770568U CN204770568U CN201520196482.2U CN201520196482U CN204770568U CN 204770568 U CN204770568 U CN 204770568U CN 201520196482 U CN201520196482 U CN 201520196482U CN 204770568 U CN204770568 U CN 204770568U
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- die
- outside framework
- positioning sliding
- extension
- sliding block
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Abstract
The utility model provides a cell -phone is die casting die for center for carry out die -casting reprocessing to the outer frame of metal, cell -phone is die casting die for center includes mould benevolence, lower mould benevolence, is located die cavity and a plurality of location slider between mould benevolence and the lower mould benevolence, outer frame includes lateral surface, the medial surface relative with the lateral surface, and upper and lower side, the location slider is located the lateral surface and the location of outer frame outer frame, the location slider be equipped with cover in the extension of going up the side of outer frame, during die -casting, the metallic solution via the extension gets into form the die -casting body between the medial surface of outer frame, the utility model discloses cell -phone is die casting die for center can effectively solve the problem of the outer frame upside face plane of high temperature metallic solution influence degree.
Description
Technical field
The utility model relates to mould applications, espespecially a kind of mobile phone center die casting.
Background technology
Current, Smartphone device, particularly high-end smartphones, all adopt metal center, bonnet to cater to the demand of consumer to metal-like, but there is following problem in the manufacture of metal center, if adopt forging to manufacture in the technique of CNC processing overall, then manufacturing cost is too high, and common customer is difficult to accept.And the overall mode of die casting that adopts is produced, then the outer surface density of mobile phone center finished product is inadequate, and has loose husky hole, and outward appearance is difficult to be accepted.
The People's Republic of China's No. 201110141704.7 manufacturing process that patent application discloses a kind of forging, die casting combines, namely first pass through the outside framework of forging or the shaping center of other modes and then the internal structure by passing through the shaping center of mode of die casting in described outside framework inside, the contradiction between manufacturing cost and outward appearance can be solved.But metal outer frame frame is in press casting procedure, be limited to the enclosed construction of described metal outer frame frame, form die-casting body among the medial surface that described high temperature metal solution needs the side flowing through described outside framework just can enter described outside framework, but the metallic solution of high temperature can cause described outside framework areal deformation.
Utility model content
The purpose of this utility model is to provide a kind of mobile phone center die casting not affecting outside framework surface configuration.
For this reason, the utility model provides a kind of mobile phone center die casting, for carrying out die casting reprocessing to metal outer frame frame, described mobile phone center die casting comprises upper cores, lower die, die cavity between upper cores and lower die and some positioning sliding blocks, described outside framework comprises lateral surface, the medial surface relative with lateral surface, and on, downside, described positioning sliding block is positioned at the lateral surface of described outside framework and locates described outside framework, described positioning sliding block is provided with the extension of the upper side being covered in described outside framework, during die casting, metallic solution enters between the medial surface of described outside framework via described extension and forms die-casting body.
Described metal outer frame frame be by forging or extrusion process shaping, and to process through CNC, the rectangular structure of described metal outer frame frame.
The medial margin of the extension of described positioning sliding block is provided with rake, and the bottom outer-edge of described rake is concordant with the medial surface of described outside framework.
Have at least a positioning sliding block to be provided with the extension of the upper side being covered in described outside framework in some positioning sliding blocks, and be provided with runner above this extension; Have at least a positioning sliding block to be provided with the extension of the upper side being covered in described outside framework, and be provided with exhaust outlet above this extension.
The positioning sliding block that described top is provided with runner lays respectively at the relative both sides of described metal outer frame frame with the positioning sliding block that top is provided with exhaust outlet.
During die casting, after the runner of described metallic solution above the extension of described positioning sliding block directly enters the die cavity between the medial surface of described metal outer frame frame, the exhaust outlet above the extension recharging another positioning sliding block.
Compared to prior art, the utility model mobile phone center die casting by arranging the extension being covered in described metal outer frame frame upper side on described positioning sliding block, during die casting, in die cavity between described metallic solution directly enters described metal outer frame frame medial surface via the runner above described extension, solving high temperature metal solution in prior art needs to enter in die cavity via the upper side of described metal outer frame frame the problem causing the upper side flatness of metal outer frame frame bad.
Accompanying drawing explanation
Fig. 1 is stereogram and the partial enlarged drawing thereof of the outside framework of the utility model mobile phone center;
Fig. 2 is stereogram after die-casting process of the outside framework of the real mobile phone center of the utility model and partial sectional view thereof;
Fig. 3 is the stereogram of the utility model mobile phone center die casting;
Fig. 4 is that the outside framework of mobile phone center in the utility model real mobile phone center die casting is placed in the structure chart and partial enlarged drawing thereof that carry out die-casting process in die cavity;
Fig. 5 is the schematic perspective view that the outside framework of positioning sliding block to described mobile phone center of the die casting of the utility model mobile phone center die casting positions;
Fig. 6 for outside framework after heating along the sectional view of the dotted line of A-A shown in Fig. 5;
Fig. 7 for outside framework without under heated condition along the sectional view of the dotted line of A-A shown in Fig. 5;
Fig. 8 is the die-cast metal solution flow graph of the utility model mobile phone center die casting;
Fig. 9 is for along the sectional view of the dotted line of B-B shown in Fig. 8 and partial enlarged drawing thereof.
Detailed description of the invention
Refer to the outside framework 10 that needing shown in Fig. 1, Fig. 2 carries out the mobile phone center of die-casting process, described outside framework 10 is by forging or the technological forming such as extruding, and processes through CNC.Described outside framework 10 is not got rid of yet and is formed by other processes.
Described outside framework 10, roughly in rectangular closed structure, comprises lateral surface 11 medial surface relative with lateral surface 11 12, upper and lower side 13 between medial surface 12 and lateral surface 11.The medial surface 12 of described outside framework 10 is inwardly processed to form protuberance 14, described protuberance 12 includes thinner protuberance 141 and thicker protuberance 143, the thickness of described thinner, thicker protuberance 141,143 is all less than the thickness of described outside framework 10 itself.Described thinner protuberance 141 has been processed to form through hole 142, and described through hole 142 is towards interior side opening, and the centre of described thicker protuberance 143 is processed to form channel-shaped structure 144, and described channel-shaped structure 144 is processed to form through hole 145 at above-below direction.Described protuberance 14 is formed by CNC machined.
Described outside framework 10 forms die-casting body 20 at the medial surface 12 of described outside framework 10 after die cast, and described die-casting body 20 keeps integrative-structure with described outside framework 10.In press casting procedure, channel-shaped structure 144 in the through hole 142 that metal liquid enters the interior side opening of the thinner protuberance 141 of the medial surface 12 of described outside framework 10 and on thicker protuberance 143 and be positioned at the through hole 145 of channel-shaped structure 144 above-below direction, forms die-casting body 20 after cooling.So, the part die-casting body 20 in the through hole 142 of described interior side opening forms unitary physical structure by described interior side opening and die-casting body 20, strengthens the adhesion of described die-casting body 20 and outside framework 10.Simultaneously, the part die-casting body 20 of filling in described channel-shaped structure 143 forms described die-casting body 20 part of the whole with the part die-casting body 20 in the through hole 145 of described channel-shaped structure 143 above-below direction, further keep described die-casting body 20 and the associativity of outside framework 10 at upper and lower, left and right directions, form the locking structure of described die-casting body 20 on the protuberance of described metal outer frame frame 10.
The through hole 142 of described interior side opening between 5/8ths circular arc to eight/seven circular arcs, and is best real-time status with four/three-arc.
Refer to Fig. 3, Figure 4 shows that mobile phone center die casting for carrying out die-casting process to described outside framework 10, described mould comprises upper cores 31, lower die 32, die cavity 35, charging aperture 33 and some positioning sliding blocks 34 between upper cores 31 and lower die 32.Described positioning sliding block 34 is for locating described outside framework 10 by the lateral surface 11 of described outside framework 10, and described positioning sliding block 34 comprises four and locates described outside framework 10 from four sides of described outside framework 10.
Refer to shown in Fig. 6, Fig. 8, Fig. 9, two at least relative positioning sliding blocks 34 are extending to form the extension 341 on the upper side 13 being covered in described outside framework 10 near described outside framework 10 side, the Inner lateral margin of described extension 341 is provided with rake 342, and the bottom outer-edge of described rake 342 is concordant with the medial surface 12 of described outside framework 10.One of being provided with in two positioning sliding blocks 34 of extension 341 is connected with described charging aperture 33, another is provided with exhaust outlet, in press casting procedure, the extension 341 be covered on the upper side 13 of outside framework 10 along described positioning sliding block 34 after described metallic solution enters along charging aperture 33 flows and enters in the die cavity 35 between the medial surface 12 of described outside framework 10, after described metallic solution enters, gas in runner and die cavity 35 is discharged by the exhaust outlet above another positioning sliding block 34, filled by metallic solution after described exhaust outlet vent gas, die-casting body 20 is formed after cooling in described die cavity 35.
Because described metallic solution temperature reaches 700 DEG C, and the temperature after described outside framework 10 heating is about 220 DEG C, if described metallic solution directly flows through the upper side 13 of described outside framework 10, the upper side 13 of described outside framework 10 then can be caused to be out of shape and to affect product plane degree, described positioning sliding block 34 arrange be covered in described outside framework 10 upper side 13 on extension 341 for metallic solution by between the rear medial surface 12 directly entering described outside framework 10, efficiently solve flatness problems with respect.And the design of rake 342 on described extension 341 can contribute to effective mobility of metallic solution.
Refer to shown in Fig. 1 to Fig. 9, the extrusion process flow process of the application's mobile phone center is as follows:
Step one, emphasis are consulted shown in Fig. 1, Fig. 2, provide metal outer frame frame 10, and described metal outer frame frame 10 is by forging or the technological forming such as extruding, and processes through CNC.
Step 2, heat according to described outside framework 10 after the size of thermal coefficient of expansion designing mould positioning sliding block 34;
This step emphasis refers to shown in Fig. 5 to Fig. 7, the size of described mould positioning sliding block 34 generally designs according to the outside framework 10 under described normality, so after described outside framework 10 is added thermal expansion, cause described positioning sliding block 34 to be out of shape the extruding of described outside framework 10, need to revise the positioning sliding block 34 of described mould.This step needs first to carry out heating for multiple times test to described outside framework 10, verify the change in size of described outside framework 10 after heating, what after repeatedly testing, draw described outside framework 10 adds thermal coefficient of expansion, determine the size of the average minimal error of the outside framework 10 after repeatedly testing heating, according to the size of the positioning sliding block 34 of mould described in outside framework 10 size design after described heating.Described repeatedly test also can be once some outside frameworks 10 are carried out heating operation, measures the dilation dimension after the heating of each outside framework 10 respectively.As shown in Figure 6, when the outside framework 10 after heating is located by described positioning sliding block 34 in normal state, it should be the lateral surface 11 that the medial surface of described positioning sliding block 34 is close to described outside framework 10.Again as shown in Figure 7, without the outside framework 10 heated in normal state, between the medial surface of described positioning sliding block 34 and the lateral surface 11 of described outside framework 10, there is a gap h.After described heating, the change of size can be undertaken measuring to promote precision by laser surveying instrument.
Step 3, heat described outside framework 10 and put into the die cavity 35 of described mould and matched moulds;
In this step, described outside framework 10 is heated between 210 DEG C-230 DEG C, and described mold temperature also remains between 210 DEG C-230 DEG C.The heating process of described outside framework 10 can be selected to carry out before putting into mold cavity 35, so, can improve working (machining) efficiency; Also can put into described mold cavity 35 and heat described, but program efficiency is lower.
Step 4, described metallic solution is injected in described mold cavity 35;
Described metallic solution is aluminium alloy solution, the temperature of described metallic solution is at about 700 DEG C, empirical tests, described metal outer frame frame 10 temperature 220 DEG C time and the metallic solution of described 700 DEG C have optimum surface binding, outside framework 10 can be obtained and be combined product the most closely with described die-casting body 20 after described metallic solution cooling.
Emphasis is consulted shown in Fig. 3, Fig. 4, Fig. 8, Fig. 9, described metallic solution enters in the die cavity 35 of described mould from described charging aperture 33, described metallic solution directly enters between the medial surface 12 of described outside framework 10 via one of them runner be located at above the extension 341 of described positioning sliding block 34, and cast gate 37 is formed on the extension 341 of described positioning sliding block 34, the gas in described die cavity 35 is provided with the positioning sliding block 34 of exhaust outlet extension 341 via a top is discharged.Describedly be provided with runner, upper side 13 that the extension 341 of positioning sliding block 34 of exhaust outlet covers described outside framework 10, and two positioning sliding blocks 34 are positioned at two side both sides of described outside framework 10 relatively.
Step 5, cooling die sinking;
The die-casting body 20 be combined as a whole with described outside framework 10 is formed after described metallic solution cools in the die cavity 35 of described mould.
The application's mobile phone center die casting by arranging the extension 341 being covered in described metal outer frame frame 10 upper side 13 on described positioning sliding block 34, during die casting, in die cavity 35 between described metallic solution directly enters described metal outer frame frame 10 medial surface via the runner above described extension 341, solving high temperature metal solution in prior art needs the upper side 13 via described metal outer frame frame 10 to enter the problem causing upper side 13 flatness of metal outer frame frame 10 bad in die cavity 35.
Claims (6)
1. a mobile phone center die casting, for carrying out die casting reprocessing to metal outer frame frame, described mobile phone center die casting comprises upper cores, lower die, die cavity between upper cores and lower die and some positioning sliding blocks, it is characterized in that, described outside framework comprises lateral surface, the medial surface relative with lateral surface, and on, downside, described positioning sliding block is positioned at the lateral surface of described outside framework and locates described outside framework, described positioning sliding block is provided with the extension of the upper side being covered in described outside framework, during die casting, metallic solution enters between the medial surface of described outside framework via described extension and forms die-casting body.
2. mobile phone center die casting as claimed in claim 1, is characterized in that: described metal outer frame frame be by forging or extrusion process shaping, and to process through CNC, the rectangular structure of described metal outer frame frame.
3. mobile phone center die casting as claimed in claim 1, it is characterized in that: the medial margin of the extension of described positioning sliding block is provided with rake, the bottom outer-edge of described rake is concordant with the medial surface of described outside framework.
4. the mobile phone center die casting as described in any one of claim 1-3, is characterized in that: have at least a positioning sliding block to be provided with the extension of the upper side being covered in described outside framework in some positioning sliding blocks, and be provided with runner above this extension; Have at least a positioning sliding block to be provided with the extension of the upper side being covered in described outside framework, and be provided with exhaust outlet above this extension.
5. mobile phone center die casting as claimed in claim 4, is characterized in that: the positioning sliding block that described top is provided with runner lays respectively at the relative both sides of described metal outer frame frame with the positioning sliding block that top is provided with exhaust outlet.
6. mobile phone center die casting as claimed in claim 4, it is characterized in that: during die casting, after the runner of described metallic solution above the extension of described positioning sliding block directly enters the die cavity between the medial surface of described metal outer frame frame, the exhaust outlet above the extension recharging another positioning sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196482.2U CN204770568U (en) | 2015-04-02 | 2015-04-02 | Cell -phone is die casting die for center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520196482.2U CN204770568U (en) | 2015-04-02 | 2015-04-02 | Cell -phone is die casting die for center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204770568U true CN204770568U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520196482.2U Expired - Fee Related CN204770568U (en) | 2015-04-02 | 2015-04-02 | Cell -phone is die casting die for center |
Country Status (1)
| Country | Link |
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| CN (1) | CN204770568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087365A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN112045161A (en) * | 2020-09-14 | 2020-12-08 | 杨龙城 | Forging die for connecting rod |
| WO2023051207A1 (en) * | 2021-09-28 | 2023-04-06 | 荣耀终端有限公司 | Middle frame of electronic device, middle frame assembly, and electronic device |
-
2015
- 2015-04-02 CN CN201520196482.2U patent/CN204770568U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107087365A (en) * | 2017-05-09 | 2017-08-22 | 广东欧珀移动通信有限公司 | Metal center processing technology, metal center and electronic installation |
| CN112045161A (en) * | 2020-09-14 | 2020-12-08 | 杨龙城 | Forging die for connecting rod |
| WO2023051207A1 (en) * | 2021-09-28 | 2023-04-06 | 荣耀终端有限公司 | Middle frame of electronic device, middle frame assembly, and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20210402 |