CN109550835A - By the manufacturing method for being bent the mobile phone metal shell formed with cam cutting - Google Patents
By the manufacturing method for being bent the mobile phone metal shell formed with cam cutting Download PDFInfo
- Publication number
- CN109550835A CN109550835A CN201810817063.4A CN201810817063A CN109550835A CN 109550835 A CN109550835 A CN 109550835A CN 201810817063 A CN201810817063 A CN 201810817063A CN 109550835 A CN109550835 A CN 109550835A
- Authority
- CN
- China
- Prior art keywords
- metal shell
- wall
- mobile phone
- convex
- cutting
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/52—Making hollow objects characterised by the use of the objects boxes, cigarette cases, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/28—Associations of cutting devices therewith
- B21D43/282—Discharging crop ends or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Telephone Set Structure (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention relates to the manufacturing methods of the mobile phone metal shell formed by bending and cam cutting, in more detail, be related to by the bending machining of sheet metal and cam cutting by the fascia edge wall periphery for surrounding the substrate plate of back light part be formed with convex interior spatial portion edge wall and corner angle wall be integrally formed, to, the operation quantity of metal shell substantially reduces, integral strength increases, and thermal diffusion can be made maximumlly to pass through the manufacturing method of the mobile phone metal shell of bending and cam cutting formation.
Description
Technical field
The present invention relates to the manufacturing methods by being bent the mobile phone metal shell processed with cam process, in more detail
Ground, being related to will be on the fascia edge wall periphery for the substrate plate for surrounding back light part by the bending machining and cam cutting of sheet metal
The edge wall and corner angle wall for being formed with the interior spatial portion of convex are integrally formed, thus, the operation quantity of metal shell significantly subtracts
Few, the integral strength of metal shell increases, and can make the mobile phone gold that thermal diffusion maximumlly passes through bending and cam cutting is formed
Belong to the manufacturing method of shell.
Background technique
In general, the shell of mobile phone (concept including smart phone) substantially needs to have for fixing various external electricals
The substrate plate of component (including battery) or the external liquid crystal of display information.For the grip feeling of user, in the outer rim of this substrate plate
It is provided with the outline border with preset width and predetermined area, to form inner space on the two sides of substrate plate.
However, setting outline border is so that the above method that inner space is formed in the two sides at substrate plate edge usually passes through with modeling
Material injection molding and realize, but plastics be not used only family grip feeling reduce and anti-impact force it is low, therefore, recently, in order to improve
It states grip feeling and the use ratio for improving the durability and metal shell made of metal for external impact is increasing always.
In general, the shell made of metal has block form, and usually manufactured by die carter method.But
In the engineering method, it is necessary to the flow orifice that cutting is formed in die casting, and the mistake due to removing flash removed in punching press and post-processing
Burr can not be removed fitly and cause defect in journey, also, be had by the metal shell that this die casting manufactures such as additional
Plating or other last handling processes such as plated film in the problem of being distorted.
Therefore, in order to improve this problem, metal shell is mainly made by the following method, that is, the outside of metal shell
It is made up of die casting, and the inside of metal shell is processed using plastics by insertion injection molding.However, passing through above-mentioned side
In the case that legal system makes metal shell, manufacturing process becomes complicated, and due to having an internal structure by plastic resin filling and
There is a problem of that the shortcomings that heat is difficult to outside drain and production process are extremely complex.
(existing technical literature)
(patent document)
Korean granted patent the 10-1443565th
Summary of the invention
Technical problem
The purpose of the present invention is to provide a sheet metal is passed through bending operation and cam process in predetermined area
The edge wall of substrate plate, corner angle wall form the metal shell of the interior spatial portion of convex, in order to by various electronic components or liquid crystal
Etc. being mounted on the interior spatial portion being formed in the metal shell.
Also, the purpose of the present invention is to provide can be made up by the interior spatial portion of the convex with predetermined area buffering come
The electronic component for being mounted on substrate plate is set to become excellent and improvement grip feeling by bending and cam for the impact resistance of impact
Process the manufacturing method of the mobile phone metal shell formed.
Solution to problem
In order to achieve the above object, the present invention relates to a kind of by being bent the mobile phone metal shell formed with cam cutting
Manufacturing method characterized by comprising first step, in order to manufacture mobile phone metal shell, by flat metal plate cutting at pre-
Determine size；Second step carries out first order buckling processing, so that the sheet metal cut in the first step is formed to have
Only one side is in the interior spatial portion of convex, and edge wall and corner angle wall are formed on the inside of it；Third step, to bending machining
Part carry out secondary cam cutting so that interior spatial portion of the only one side formed in the second step in convex
Outside forms outline border wall；Four steps, in the state for passing through first order buckling processing, secondary cam cutting by the third step
Under, only it is left to form the part in the section of the outline border wall of metal shell and removes remainder cutting；And the 5th step,
In the state that remainder is removed in the four steps, the outline border wall of metal shell is formed.
Also, it is a feature of the present invention that in the second step, it is shaped on the inside of by edge wall and corner angle wall convex
When the interior spatial portion of shape, due to material elasticity and the required size of convex can not be obtained, thus for the stabilization of correct size
Change, carries out cam cutting.
Also, it is a feature of the present invention that by first order buckling processing, secondary cam cutting in the third step
Under state, only it is left to form the section of the outline border wall of metal shell and cutting remainder, by using processing machine pair
The section carries out post-processing, to remove step and remove flash removed.
Also, it is a feature of the present invention that the material for constituting the mobile phone metal shell can have a flat gold
Belong to the shape of plate, and any one of low, the good stainless steel of corrosion-free and processability, aluminium sheet and titanium selected from weight.
Also, it is a feature of the present invention that the edge wall and corner angle wall have the interior spatial portion of convex, so that when on side
When the outside of edge wall and corner angle wall generates intense impact, anti-cushion effect increases, so that being mounted on the electronic component inside substrate plate
With excellent impact resistance.
The effect of invention
The system of the metal shell according to the present invention using sheet metal is realized by bending machining and cam cutting engineering method
It makes, so as to so that simplified manufacturing process, can be improved the impact strength of the impact generated for the outer rim in metal shell, also
The mobile phone metal shell for being suitble to discharge internal heat can be provided.
Detailed description of the invention
Fig. 1 is the work flow diagram for showing the state to form major part of the invention.
Fig. 2 is the work flow diagram for showing the state to form the edge wall and corner angle wall as major part of the invention.
Fig. 3 is the front elevation for showing the state that bending machining is carried out to major part of the invention.
Fig. 4 is the front elevation for showing the state that cam cutting is carried out to major part of the invention.
Fig. 5 is the front elevation for the state that major part of the invention is extracted and amplified.
Fig. 6 is the perspective view for the state that major part of the invention is extracted and amplified.
Symbol description
10: sheet metal
20: metal shell
30: substrate plate
40: edge wall
50: corner angle wall
60: interior spatial portion
70: outline border
Specific embodiment
In the following, referring to attached drawing, with the degree that general technical staff of the technical field of the invention can be made to be easy to implement
The embodiment of the present invention is described in detail.
However, the invention can be realized in many different forms, and should not be construed as limited to be illustrated at this
Embodiment.
In the accompanying drawings, in order to illustrate simplicity, the part unrelated with description is omitted, and identical label indicates always
Identical element.
As shown in Figure 1, Figure 2, pre- having according to the composition of metal shell 20 described in the present invention shown in Fig. 3 and Fig. 4
Determine to be formed with substrate plate 30 on the sheet metal 10 of thickness and area, and forms side step by step in the four directions of the substrate plate 30
Edge wall 40, corner angle wall 50 and outline border wall 70.
Moreover, being formed with the interior spatial portion 60 of convex in the inside of the edge wall 40 and corner angle wall 50.
At this point, as shown in Figure 3 and Figure 4, being formed in edge wall 40 and corner angle wall 50 by bending machining and cam cutting
Four aspects of substrate plate 30 are in the interior spatial portion 60 of convex.
Wherein, even if generating intense impact on the outside, also due to being formed in the edge wall 40 and corner angle wall 50 of substrate plate 30
Anti- cushion effect with raising and the impact resistance for being installed on the electronic component inside substrate plate 30 also becomes good.
At this point, edge wall 40 and corner angle wall 50 are processed to be spaced from each other, and impact is generated in the interior spatial portion 60 of convex
In the case where also by buffering and almost without impact transmitting.
The material for the composition mobile phone metal shell 20 being used in the present invention has the shape of a flat sheet metal 10
Shape, and be low weight, the good stainless steel of corrosion-free and processability or aluminium sheet as far as possible.Aluminium sheet in the present invention can refer to root
The aluminum alloy plate materials of various alloyings are carried out according to the characteristic of usage.
However, the material of this sheet metal does not limit the purpose of the present invention.
Also, substrate plate 30 in the present invention, is formed by one flat sheet metal 10 of processing, and with shape
The mode for the interior spatial portion 60 that the integrally formed corner angle wall 50 of the edge wall 40 of Cheng Yuqi outer rim forms convex passes through bending machining
In the case where manufacturing mobile phone metal shell 20 with cam cutting, an embodiment of processing includes the following steps.
That is, the processing method includes:
First step, firstly, flat metal plate 10 is cut into predefined size in order to manufacture mobile phone metal shell 20；
Second step carries out first order buckling processing, so that the sheet metal 10 cut in the first step is formed as
With only one side it is in the interior spatial portion 60 of convex, and forms edge wall 40 and corner angle wall 50 on the inside of it；
Third step carries out secondary cam cutting to the part of bending machining, so that formed in the second step
Only one side forms outline border wall 70 in the outside of the interior spatial portion 60 of convex；
Four steps only remains in the state of by the third step by first order buckling processing, secondary cam cutting
The part in the section 80 of the lower outline border wall 40 for forming metal shell 20 simultaneously removes remainder cutting；And
5th step in the state that remainder is removed in the four steps, forms the outline border of metal shell 20
Wall 40.
On the other hand, the characteristic of the metal material used in the first step is as follows, that is, the elongation of material is good, modeling
Property excellent in workability, facilitate the lightweight of product because material is light, since material cost can be with lower than other materials cost
Cost is reduced, is suitble to distribute the heat of interior of mobile phone due to excellent thermal conductivity, is appropriate for bending machining and convex at normal temperature
Wheel processing.As the material, aluminium alloy and stainless steel and other metal materials are used.
It is carried out by the following method in addition, second step is suitable, that is, as shown in figure 3, by bending machining, as flat
Sheet metal 10 be centrally formed substrate plate 30 and its outer rim formed edge wall 40 and corner angle wall 50 previous step, with curved
The mode of bent predetermined angular forms edge wall 40 and corner angle wall 50, and be processed into has predetermined depth to form convex on the inside of it
Interior spatial portion 60, that is, by the malleability using material come brake forming and process it is non-jointed needed for shape spill produce
Product.
Wherein it is possible to carry out simultaneously or be done step by step the respectively first step and second step.
Also, third step is to be formed in the one side of the substrate plate 30 of bending machining in the second step
The area of inner space 60 or angle etc. correctly remain required size, as shown in figure 4, passing through cam cutting for interior spatial portion
60 the step of being processed into convex.
In this step, side is formed in such a way that any surface in substrate plate 30 forms interior spatial portion 60 in the second step
Edge wall 40 and corner angle wall 50 and in the case where being shaped to convex, due to material elasticity and the interior spatial portion 60 of convex can not be obtained
Required size, so that cam cutting can be carried out again for the stabilisation of correct size.
Four steps be by the third step by first order buckling processing, secondary cam cutting in the state of,
Substrate plate 30 is formed in the state of edge wall 40, corner angle wall 50 and interior spatial portion 60, by subsequent processing, is left to be formed suitable
In the dimetric outline border 70 of the metal shell 20 of finished product predetermined length and will be from the surplus of the section that edge wall 40 extends 80
The step of remaining part cutting is cut and is removed.
Wherein, post-processing is carried out using processing machine pair cross-section 80 to remove step and remove flash removed.
In the 5th step, the section 80 that can be formed in four steps forms outline border 70.
This be by the integrally formed edge wall 40 of the substrate plate 30 that is respectively formed and is equivalent to the metal shell 20 of finished product,
Corner angle wall 50 and inner space 60 are come the step of forming overlapping outline border wall 70 with good impact resistance.
In the step, outline border wall 70 can be formed with approximate right angle.
It is formed by processing for the groove for showing the glass pane placement of screen, or is used in the product so completed
In screw tap (Tap) processing of fixing circuit board and battery, camera model, unwanted component is removed to realize the light weight of product
Change, or carry out multiple slot processing for fixing etc., also, the interior space formed on the two sides for constituting the substrate plate of metal shell
Electronic component needed for portion's installation, makes up buffering by edge wall, corner angle wall and interior spatial portion, produces so as to cope in outline border
Raw impact.
As described above, the manufacture of the metal shell according to the present invention using sheet metal is added by bending machining and cam
Work works are realized, it is thus possible to simplify manufacturing process, can be improved the impact generated for the edge wall in metal shell
Impact strength can also provide the mobile phone metal shell for being suitble to discharge internal heat.
Above-mentioned explanation of the invention is only illustrative, as long as the ordinary skill people of the technical field of the invention
Member, can understand in the case where not changing technical idea or essential feature of the invention, and it is specific to be also deformed into other easily
Form.
Therefore, embodiment described above is only illustrative in all respects, and however, it is not limited to this.For example, as list
Each structure member that one type is illustrated can also disperse to be implemented, and equally, use the structure member of dispersion being illustrated
It can be implemented in the form of combination.
The scope of the present invention is indicated by the appended claims, and not by above-mentioned detailed description, and by
The meaning, range and its derived form for having altered or deforming of impartial concept of claims should be interpreted that and be included in this hair
In bright range.
Claims (5)
1. a kind of manufacturing method by being bent the mobile phone metal shell formed with cam cutting characterized by comprising
Flat metal plate (10) is cut into predefined size to manufacture mobile phone metal shell (20) by first step；
Second step carries out first order buckling processing, so that the sheet metal (10) cut in the first step is formed as having
There is only one side to form edge wall (40) and corner angle wall (50) in the interior spatial portion (60) of convex and on the inside of it；
Third step carries out secondary cam cutting to the part of bending machining, so that formed in the second step only one
A side forms outline border wall (70) in the outside of the interior spatial portion (60) of convex；
Four steps is only left shape in the state of by the third step by first order buckling processing, secondary cam cutting
It is removed at the part in the section (80) of the outline border wall (40) of metal shell (20) and by remainder cutting；And
5th step in the state that remainder is removed in the four steps, forms the outline border wall of metal shell (20)
(40)。
2. the method according to claim 1, wherein
In the second step, when the interior spatial portion (60) that edge wall (40) and corner angle wall (50) inside are shaped to convex
When, due to material elasticity and the required size of convex can not be obtained, to carry out cam for the stabilisation of correct size and add
Work.
3. the method according to claim 1, wherein
In the state of in the third step by first order buckling processing, secondary cam cutting, only it is left to form metal shell
(20) outline border wall (70) section (80) part and cutting remainder, by using processing machine to the section (80) into
Row post-processing, to remove step and remove flash removed.
4. the method according to claim 1, wherein
The material for constituting the mobile phone metal shell (20) has the shape of a flat sheet metal (10), and is selected from weight
Any one of the good stainless steel of low, corrosion-free and processability, aluminium sheet and titanium.
5. the method according to claim 1, wherein
The edge wall (40) and corner angle wall (50) have the interior spatial portion (60) of convex, so that when in edge wall (40) and corner angle
When the outside of wall (50) generates intense impact, anti-cushion effect increases, so that being mounted on the internal electronic component tool of substrate plate (30)
There is excellent impact resistance.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2017-0124497 | 2017-09-26 | ||
| KR1020170124497A KR102050588B1 (en) | 2017-09-26 | 2017-09-26 | Manufacturing method of mobile phone metal case formed by banding and process using cam cype mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109550835A true CN109550835A (en) | 2019-04-02 |
Family
ID=65864517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817063.4A Pending CN109550835A (en) | 2017-09-26 | 2018-07-24 | By the manufacturing method for being bent the mobile phone metal shell formed with cam cutting |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102050588B1 (en) |
| CN (1) | CN109550835A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI796248B (en) * | 2021-11-12 | 2023-03-11 | 財團法人金屬工業研究發展中心 | Shell forming die |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20190035372A (en) | 2019-04-03 |
| KR102050588B1 (en) | 2019-12-03 |
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Application publication date: 20190402 |