CN104853549A - Mobile electronic product metal middle frame and processing technique thereof - Google Patents
Mobile electronic product metal middle frame and processing technique thereof Download PDFInfo
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- CN104853549A CN104853549A CN201510192040.5A CN201510192040A CN104853549A CN 104853549 A CN104853549 A CN 104853549A CN 201510192040 A CN201510192040 A CN 201510192040A CN 104853549 A CN104853549 A CN 104853549A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000002184 metal Substances 0.000 title abstract description 8
- 239000000047 product Substances 0.000 claims description 40
- 238000005516 engineering process Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000010935 stainless steel Substances 0.000 claims description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000005530 etching Methods 0.000 claims description 10
- 238000004381 surface treatment Methods 0.000 claims description 9
- 238000004512 die casting Methods 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 210000003284 Horns Anatomy 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000009376 nuclear reprocessing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000739 chaotic Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
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- 238000006011 modification reaction Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Abstract
The present invention relates to the technical field of mobile electronic product housing manufacturing, and especially relates to a mobile electronic product metal middle frame. The mobile electronic product metal middle frame comprises a side frame and a middle board, wherein the middle board is internally installed inside the side frame; the side frame comprises a first side wall, a second side wall, a third side wall and a fourth side wall which are arranged in turn; a plurality of key holes are disposed on the first side wall; the middle board comprises a middle board body and arc-shaped plates arranged at two ends of the middle board body; and a plurality of dovetail grooves are formed in the outer wall of the middle board. Through the above structure, the hardness is raised, and the structure is not easy to damage and is attractive and elegant in appearance. The present invention also relates to a processing technique for manufacturing the above mobile electronic product metal middle frame. The technique is little in processing time, and the processing time is saved.
Description
Technical field
The present invention relates to mobile electronic product shell manufacturing technology field, particularly relate to a kind of mobile electronic product metal center and process the processing technology of this center.
Background technology
Along with the development of mobile communication and the raising of people's living standard, the use of mobile electronic product is more and more universal, mobile electronic product has become indispensable communication tool in people's life, people to mobile electronic product functional diversity require more and more higher while, also more and more higher to the appearance requirement of mobile electronic product.
Tradition mobile electronic product shell mostly is plastics and makes, although to move electronic product casing cost low for plastics, quality is light, and its hardness is lower, is easy to break because of clashing into.
But existing mobile electronic product metal shell many employings CNC processes, and this processing cost is high, and production is poor.
Summary of the invention
The object of the invention is to propose a kind of mobile electronic product metal center, the hardness of housing can be increased, be not easy to break.
The present invention also aims to propose a kind of mobile electronic product metal center processing technology, can reduce engine manufacturing procedure or duration, make housing be connected more firm with middle plate simultaneously.
For reaching this object, the present invention by the following technical solutions:
A kind of mobile electronic product metal center, comprise frame and middle plate, described middle plate is built in frame, and described frame comprises the first side wall, the second sidewall, the 3rd sidewall and the 4th sidewall that sequentially arrange, and described the first side wall is provided with some key holes; Described middle plate comprises middle plate body and is arranged on the arc at middle plate body two ends, and described middle plate outer wall offers several dovetail grooves.
As preferably, inside described the first side wall and the 3rd inside sidewalls two ends are provided with the first connecting plate; Inside described second sidewall and the 4th sidewall two ends, by the second connecting plate, the first side wall and the 3rd sidewall connect respectively, second sidewall is also provided with earpiece holes, be provided with charging jacks in the middle part of described 4th sidewall, earpiece holes and charging jacks both sides are equipped with antenna separation groove.As preferably, described the first side wall, the second sidewall, the 3rd sidewall and the 4th inside sidewalls are provided with several circular recesss, are provided with the arc angle that the top of the horn being no less than points to circular recess center line in described circular recess.
As preferably, described middle plate is for being cast into template.
As preferably, matched by the first connecting plate and strip groove between described frame and middle plate, strip groove is provided with cylinder, and this cylinder matches with the circular hole on the first connecting plate.
As preferably, described frame is made up of stainless steel material, and described the first side wall and the 3rd sidewall two ends are arc-shaped corner.
A kind of mobile electronic product metal center processing technology, for processing the above-mentioned mobile electronic product metal center of preparation, its processing step comprises:
A () is got the raw materials ready: by material strip by cutting out after etch processes, is cut into the shape of needs, size;
B () is shaping: the material strip punch forming cut is obtained sidewall, then sidewall overlap joint is obtained the frame (1) of mobile electronic product;
(c) die casting: the die casting of metal alloy plate is obtained middle plate;
D () assembles: plate in obtaining and frame are assembled and fixedly obtain center semi-finished product;
(e) injection moulding: the center semi-finished product assembled are fixed in mould, injection moulding plastic, carry out machine work afterwards, refine profile, key hole, and right angle is trimmed to oblique angle, mill off overlap joint weld tabs;
F () reprocessing: the frame of the mobile electronic product center after injection moulding is carried out surface treatment, is then undertaken mobile electronic product center cleaning, electricity is thrown, surface treatment.
As preferably, in the circular recess of the sidewall punching press after etching in step (b) after etch processes, there will be arc angle (17).
As preferably, in step (d), plate passes through rivet or the affixed assembling of self-locking screw with frame.
As preferably, in step (b), each sidewall is overlapped by weld tabs.
Beneficial effect of the present invention:
1, the present invention proposes a kind of mobile electronic product center, its hardness can be increased, be not easy breakage.
2, the first side wall of the present invention, the second sidewall, the 3rd sidewall and the 4th inside sidewalls are provided with several circular recesss, can alleviate the weight of housing, and can not reduce its intensity.
3, the technique in the present invention, adopt etching technics can alleviate the overall weight of center, and machining steps is few, saves process time.
4. the technique in the present invention, occur arc angle by the circular recess after etching during sidewall punching press after etching, and then when injection moulding, the plastic cement entered in circular recess is not easy and circular recess landing, adds the bonding strength between frame and middle plate.
Accompanying drawing explanation
Fig. 1 is the structural representation of mobile electronic product metal center provided by the invention;
Fig. 2 is the structural representation of frame provided by the invention;
Fig. 3 is the structural representation of middle plate provided by the invention;
Fig. 4 is the partial enlarged drawing of I provided by the invention;
Fig. 5 is scuncheon partial enlarged drawing provided by the invention;
Fig. 6 is border side pseudosection provided by the invention;
Fig. 7 a-7f is the course of processing schematic diagram of processing technology of the present invention;
Wherein:
1, frame; 2, middle plate; 3, key hole; 4, middle plate body; 5, arc; 6, dovetail groove; 7, the first connecting plate; 8, the second connecting plate; 9, earpiece holes; 10, charging jacks; 11, the first side wall; 12, the second sidewall, 13, the 3rd sidewall; 14, the 4th sidewall; 15, antenna separation groove; 16, circular recess; 17, arc wedge angle; 21, through hole; 22, strip groove; 23, material strip.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
The invention provides a kind of mobile electronic product center, as shown in Figure 1, this center adopts metal alloy to make, it comprises frame 1 and middle plate 2, described middle plate 2 is built in frame 1, frame is made up of stainless steel material, as Fig. 2, shown in Fig. 3, in the present embodiment, preferably, frame 1 comprises the first side wall 11 sequentially arranged, second sidewall 12, 3rd sidewall 13 and the 4th sidewall 14, certainly, frame 1 is not only confined to four sidewalls, according to circumstances can corresponding increase or minimizing, wherein the first side wall 11 is provided with some key holes 3, in the present embodiment, the number of this key hole is two, and the size of these two key holes can be consistent, also can be inconsistent, described middle plate 2 comprises middle plate body 4 and is arranged on the arc 5 at middle plate body 4 two ends, and in the present embodiment, preferably, middle plate is magnadure, the structure and middle plate is formed in one, and described middle plate 2 outer wall offers several dovetail grooves 6.
Can shield mobile electronic product signal due to stainless steel material or make mobile electronic product signal chaotic, in order to solve this problem, in the present embodiment, two ends are provided with the first connecting plate 7 inside the first side wall 11 and inside the 3rd sidewall 13; Inside described second sidewall 12 and the 4th sidewall 13 two ends, by the second connecting plate 8, the first side wall 11 and the 3rd sidewall 13 connect respectively, the first side wall 11, second sidewall 12, the 3rd sidewall 13 and the 4th sidewall 14 all can remain with antenna hole in order to arrange that antenna is to prevent the conductively-closed of mobile electronic product signal or mobile electronic product signal confusion when connecting, wherein the second sidewall 12 is also provided with earpiece holes 9, be provided with charging jacks 10 in the middle part of described 4th sidewall 14, earpiece holes 9 and charging jacks 10 both sides are equipped with antenna separation groove 15.
Because frame is that stainless steel material is made, and stainless steel is larger with plastics phase weight/power ratio, in order to alleviate the weight of frame, several circular recesss 16 are provided with inside the first side wall 11, second sidewall 12, the 3rd sidewall 13 and the 4th sidewall 14, as shown in Figure 5, Figure 6, this circular recess 16 is obtained by etching, is provided with the arc wedge angle 17 that the top of the horn being no less than points to circular recess center line in described circular recess 16.
In the present embodiment, described middle plate 2 is for being cast into template.
In the present embodiment, matched by the first connecting plate 7 and strip groove 22 between frame 1 and middle plate 2, strip groove 22 structure as shown in Figure 4, strip groove 22 is provided with cylinder, this cylinder matches with the circular hole on the first connecting plate 7, during installation, cylinder is set in circular hole, then by welding, the first connecting plate 7 is fixed with strip groove 22 and then is fixedly connected with middle plate 2 by frame 1.
In the present embodiment, described frame 1 is made up of stainless steel material, and described the first side wall 11 and the 3rd sidewall 13 two ends are arc-shaped corner.
This enforcement additionally provides a kind of mobile electronic product metal center processing technology, and for processing the above-mentioned mobile electronic product metal center of preparation, if Fig. 7 a-7f is the work flow schematic diagram of this processing technology, its processing step comprises:
A () is got the raw materials ready: by material strip 23 by cutting out after etch processes, is cut into the shape of needs, size;
B () is shaping: material strip 23 punch forming cut is obtained sidewall, then sidewall overlap joint is obtained the frame (1) of mobile electronic product;
(c) die casting: the die casting of metal alloy plate is obtained middle plate 2;
D () assembles: plate in obtaining 2 and frame 1 are assembled and fixedly obtain center semi-finished product;
(e) injection moulding: the center semi-finished product assembled are fixed in mould, injection moulding plastic, carry out machine work afterwards, refine profile, key hole, and right angle is trimmed to oblique angle, mill off overlap joint weld tabs; This step is to prevent weld tabs from being that after integrality is assembled into product, the signal of product is interfered;
F () reprocessing: the frame 1 of the mobile electronic product center after injection moulding is carried out surface treatment, is then undertaken mobile electronic product center cleaning, electricity is thrown, surface treatment.
Wherein, arc angle 17 is there will be in the circular recess of the etching of the sidewall in step b after etch processes after punching press on this sidewall, wedge angle is there will be in other embodiments, as shown in Figure 5, in the present embodiment, the quantity of arc angle 17 is 4, and as shown in Figure 6, this circular recess 16 side cutaway view is the area that upper open area is less than diapire, the circular recess 16 of the etching after punching press, due to own form, can make frame 1 and middle plate 2 can more firmly connect after injection moulding compared with other shapes.
As further technical scheme, in steps d, plate 2 and frame 1 are by rivet or the affixed assembling of self-locking screw, so that middle plate 2 is directly better connected with frame 1.
As further technical scheme, in step b, each sidewall is overlapped by weld tabs, machine work refine antenna slot segmentation again after having overlapped, wherein can mill off before whole machine installation after weld tabs welding, prevents the signal disturbing complete machine.
As further technical scheme, in step f, surface treatment is carried out to frame and namely the wire drawing of stainless steel periphery or blasting treatment are carried out to frame 1.In step f, surface treatment is carried out to mobile electronic product center and be electroplating processes or electrophoretic process.
In the present invention, frame adopts stainless steel, increases the adhesion of frame and middle plate through etching mesh, makes complete machine structure more rationally simple fashion.Compared with traditional structure, with the etching of stainless steel material strip, punch forming, then coordinate the techniques such as in-mould injection, decrease mach operation and then reduce manufacture duration, effectively reducing costs, but do not lose quality.And metal appearance is after texture processing, there is the very more high-end fashion of strong metal sense.
Center of the present invention adopts stainless steel effectively can improve product strength with die casting is one-body molded, improves heat dispersion, can also implementation structure diversified.Do center with stainless steel and can adopt different surface treatment modes, make product more attractive in appearance, and fashion more; Metal manufactures, and in conjunction with advanced outward appearance treatment technology, product can give play to metal-like completely, high-end and atmospheric.
Note, above display and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not by the restriction of above-mentioned execution mode; what describe in above-mentioned execution mode and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications; these changes and improvements all fall in the claimed scope of the invention, and claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. a mobile electronic product metal center, comprise frame (1) and middle plate (2), described middle plate (2) is built in frame (1), it is characterized in that, described frame (1) comprises the first side wall (11), the second sidewall (12), the 3rd sidewall (13) and the 4th sidewall (14) that sequentially arrange, and described the first side wall (11) is provided with some key holes (3); Described middle plate (2) comprises middle plate body (4) and is arranged on the arc (5) at middle plate body (4) two ends, and described middle plate (2) outer wall offers several dovetail grooves (6).
2. mobile electronic product metal center according to claim 1, is characterized in that, described the first side wall (11) inner side and two ends, the 3rd sidewall (13) inner side are provided with the first connecting plate (7); All be connected with the first side wall (11) and the 3rd sidewall (13) by the second connecting plate (8) inside described second sidewall (12) and the 4th sidewall (13) two ends, described second sidewall (12) is also provided with earpiece holes (9), described 4th sidewall (14) middle part is provided with charging jacks (10), and earpiece holes (9) and charging jacks (10) both sides are equipped with antenna separation groove (15).
3. mobile electronic product metal center according to claim 2, it is characterized in that, described the first side wall (11), the second sidewall (12), the 3rd sidewall (13) and the 4th sidewall (14) inner side are provided with several circular recesss (16), are provided with the arc angle (17) that the top of the horn being no less than points to circular recess center line in described circular recess (16).
4. mobile electronic product metal center according to claim 1, is characterized in that, described middle plate (2) is for being cast into template.
5. mobile phone metal center according to claim 1, it is characterized in that, matched by the first connecting plate (7) and strip groove (22) between described frame (1) and middle plate (2), strip groove (22) is provided with cylinder, and this cylinder matches with the circular hole on the first connecting plate (7).
6. mobile electronic product metal center according to claim 1, is characterized in that, described frame (1) is made up of stainless steel material, and described the first side wall (11) and the 3rd sidewall (13) two ends are arc-shaped corner.
7. a mobile electronic product metal center processing technology, for processing the mobile electronic product metal center of preparation as described in claim 1-6, it is characterized in that, its processing step comprises:
A () is got the raw materials ready: by material strip (23) by cutting out after etch processes, is cut into the shape of needs, size;
B () is shaping: the material strip cut (23) punch forming is obtained sidewall, then sidewall overlap joint is obtained the frame (1) of mobile electronic product;
(c) die casting: the die casting of metal alloy plate is obtained middle plate (2);
D () assembles: plate (2) in obtaining and frame (1) are assembled and fixedly obtain center semi-finished product;
(e) injection moulding: the center semi-finished product assembled are fixed in mould, injection moulding plastic, carry out machine work afterwards, refine profile, key hole, and right angle is trimmed to oblique angle, and mill off overlap joint weld tabs;
F () reprocessing: the frame (1) of the mobile electronic product center after injection moulding is carried out surface treatment, is then undertaken mobile electronic product center cleaning, electricity is thrown, surface treatment.
8. mobile electronic product metal center processing technology according to claim 7, is characterized in that, there will be arc angle (17) in the circular recess of the sidewall punching press after etching in step (b) after etch processes.
9. mobile electronic product metal center processing technology according to claim 7, is characterized in that, in step (d), plate (2) and frame (1) are by rivet or the affixed assembling of self-locking screw.
10. mobile electronic product metal center processing technology according to claim 7, it is characterized in that, in step (b), each sidewall is overlapped by weld tabs.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510192040.5A CN104853549A (en) | 2015-04-22 | 2015-04-22 | Mobile electronic product metal middle frame and processing technique thereof |
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| CN201510192040.5A CN104853549A (en) | 2015-04-22 | 2015-04-22 | Mobile electronic product metal middle frame and processing technique thereof |
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Application publication date: 20150819 |