CN105643214B - The processing method of the rear case component of mobile terminal - Google Patents
The processing method of the rear case component of mobile terminal Download PDFInfo
- Publication number
- CN105643214B CN105643214B CN201610179035.5A CN201610179035A CN105643214B CN 105643214 B CN105643214 B CN 105643214B CN 201610179035 A CN201610179035 A CN 201610179035A CN 105643214 B CN105643214 B CN 105643214B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- rear case
- case component
- plate
- blank
- 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.)
- Expired - Fee Related
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 58
- 239000007769 metal material Substances 0.000 claims abstract description 54
- 238000004080 punching Methods 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims description 23
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 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
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of processing method of the rear case component of mobile terminal, rear case component includes cover plate, upper cover plate and the lower cover independently processed, upper cover plate and lower cover are connected to the both sides up and down of cover plate, and rear case component is metalwork, and rear case component includes following procedure of processing：Metal material belt is carried out punching press to obtain cover plate along direction initialization, the tangent plane that metal material belt is formed after being stamped constitutes the left surface or right flank of cover plate, the left and right side of cover plate is respectively adapted to connect in the left and right sidewall of the housing of mobile terminal, and size of the metal material belt on direction initialization is substantially equal to the size of cover plate in the vertical direction；Cover plate, upper cover plate and lower cover are assembled into rear case component.According to the processing method of the present invention, processing cost is saved, processing efficiency is improved.Technique fillet is hidden at the position for being difficult to see clearly, making the product back side, visually gap is smaller, and product fineness is good.
Description
Technical field
Field is manufactured the present invention relates to electronic product machining, more particularly, to a kind of processing of the rear case component of mobile terminal
Method.
Background technology
In order to meet consumer demand, product specification is improved, electronic product manufacturer generally adopts the appearance member of product
With metal material processing, the metal back cover of large area is exactly one of them on product.
Metal back cover disclosed in correlation technique is usually to be processed using CNC modes, and CNC processing costs are higher.Also have
Metal back cover uses punch process, and bonnet can produce technique fillet during punch process, can if technique fillet is not handled well
Influence the fineness of product appearance.
The content of the invention
The application is intended at least solve one of technical problem present in prior art.Therefore, the present invention is intended to provide one
The processing method for planting the rear case component of mobile terminal, the bonnet produced in the method is more attractive in appearance.
The processing method of the rear case component of mobile terminal according to embodiments of the present invention, the rear case component includes only respectively
Cover plate, upper cover plate and the lower cover of vertical processing, the upper cover plate and the lower cover are connected to the upper of the cover plate
Lower both sides, the rear case component is metalwork, and the rear case component includes following procedure of processing：By metal material belt along direction initialization
Punching press is carried out to obtain the cover plate, the tangent plane that the metal material belt is formed after being stamped constitutes the left surface of the cover plate
Or right flank, the left surface of the cover plate is adapted to the left side wall of the housing of the mobile terminal, the right side of the cover plate
Side is adapted to the right side wall of the housing of the mobile terminal, and size of the metal material belt on direction initialization is substantially equal to
The size of the cover plate in the vertical direction；The upper cover plate and the lower cover are processed respectively；By the cover plate, institute
State upper cover plate and the lower cover is assembled into the rear case component.
The processing method of the rear case component of mobile terminal according to embodiments of the present invention, middle cover is processed by Sheet Metal Forming Technology
Plate, saves processing cost, improves processing efficiency.In addition, punch process makes on the relative side of cover plate with technique circle
In angle, the processing method of the embodiment of the present invention, by the side wall that the side with technique fillet of cover plate is arranged on to housing
Technique fillet, i.e., be hidden at the position for being difficult to see clearly, making the product back side, visually gap is smaller, and product fineness is good by place.
Specifically, the processing of the cover plate comprises the following steps：S1：Metal material belt is subjected to pre-punching along direction initialization
Blank at the beginning of to obtain cover plate, and just blank is punched into location-plate to the cover plate in advance on left side and/or right edge；S2：
Blank at the beginning of the cover plate is pre-processed to obtain middle cover boards half-finished product；S3：The middle cover boards half-finished product punching press is removed
The location-plate is to obtain cover plate.Thus, location-plate has been gone out in pre-punching, has been easy to the blank at the beginning of cover plate in pretreatment
Location-plate vertically-arranged or suspension can be passed through.Pre-processed afterwards, so as to ensure the pretreatment quality of cover plate.
Alternatively, in step S2 pretreatment, just blank carries out oxidation processes to the cover plate.Thus, it is possible to resolve gold
Defect in terms of metal surface hardness, wearability, extends the service life of metal and strengthens aesthetics.
Alternatively, 1-3 location-plate is being provided with the beginning of the cover plate on the left side of blank.
Alternatively, 1-3 location-plate is being provided with the beginning of the cover plate in the right edge of blank.
In some instances, the location-plate is formed as sheet, and the location-plate is provided with insertion in a thickness direction
Hanging hole.The hangers of this sheet, simple in construction, punching tool structure is without excessively complexity, and processing cost is low.
In certain embodiments, the left side and right edge of the cover plate are respectively forwardly bent.Thus, cover plate is on a left side
The circular arc of low-angle is formed at side and right edge so that product appearance is mellow and full, attractive in appearance.And left surface, the right side of cover plate
Face can preferably snap onto the left side wall of housing, on right side wall, make product casing connection even closer.
Specifically, in step sl, metal material belt carries out pre-punching so that a left side for the first blank of the cover plate from the front to the back
Side and right edge are respectively forwardly bent.In left and right, side edge stamps out radian before being pre-processed, it is ensured that cover plate is located in advance
The crudy of reason.
Specifically, in step sl, the first blank of the cover plate processes described fixed respectively on left side and right edge
The location-plate on position plate, and the left side and right edge of the first blank of the cover plate is respectively facing to be bent each other.Thus, it is fixed
The main body of the first blank of locating surface and cover plate of position plate is spaced a distance, facilitates the pretreatment of the first blank surface of cover plate.
Advantageously, in step sl, there is angle, and the positioning between the location-plate and the first blank of the cover plate
The bearing of trend of plate and the left side of the cover plate or the bending direction of right edge are tangent.Thus, it is fixed to avoid as far as possible
Plate stress in punching in position is excessive and damaged.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the backsight structural representation of mobile terminal shell according to embodiments of the present invention；
Fig. 2 is the right side structural representation of mobile terminal shell according to embodiments of the present invention；
Fig. 3 is the decomposing schematic representation of mobile terminal shell according to embodiments of the present invention；
After Fig. 4 is cover plate according to embodiments of the present invention (left and right side of the tangent plane formation cover plate of metal material belt)
Depending on structural representation；
Fig. 5 is along Y-Y directions sectional view in Fig. 4；
Fig. 6 is along X-X directions sectional view in Fig. 4；
Fig. 7 is that Fig. 5 centre circles show A portions enlarged drawing；
Fig. 8 is that Fig. 6 centre circles show B portions enlarged drawing；
Fig. 9 is the backsight structural representation of cover plate (upper and lower side of the tangent plane formation cover plate of metal material belt)；
Figure 10 is along Q-Q directions sectional view in Fig. 9；
Figure 11 is along P-P directions sectional view in Fig. 9；
Figure 12 is that Figure 10 centre circles show K portions enlarged drawing；
Figure 13 is that Figure 11 centre circles show R portions enlarged drawing；
Figure 14 is the backsight effect diagram using the mobile terminal shell shown in Fig. 9 during cover plate；
Figure 15 is the procedure of processing flow chart of cover plate according to embodiments of the present invention；
Figure 16 is the process change schematic diagram of cover plate according to embodiments of the present invention；
Figure 17 be in Figure 16 cover plate just blank along Z-Z directions sectional view；
Figure 18 be in Figure 16 cover plate just blank along G-G directions sectional view；
Figure 19 is that Figure 17 centre circles show C portions enlarged drawing；
Figure 20 is that Figure 18 centre circles show D portions enlarged drawing.
Reference：
Cover plate (left and right side of the tangent plane formation cover plate of metal material belt) and each part numbers of corresponding housing：
Housing 100, roof 101, bottom wall 102, left side wall 103, right side wall 104,
Rear case component 1, cover plate 11, upper cover plate 12, lower cover 13, technique fillet 111, upper seam m1, lower seam m2, circle
Arc 112,
The upper side s1 of cover plate, the downside s2 of cover plate, the left surface s3 of cover plate, the right flank s4 of cover plate,
Center 2,
Metal material belt 200, cover plate first blank 201, location-plate 202, hanging hole 2021, middle cover boards half-finished product 203；
Cover plate (upper and lower side of the tangent plane formation cover plate of metal material belt) and each part numbers of corresponding housing：
Housing 100 ', rear case component 1 ', cover plate 11 ', the upper side s1 ' of cover plate, the downside s2 ' of cover plate, in
The left surface s3 ' of cover plate, the right flank s4 ' of cover plate, technique fillet 111 ',
Upper cover plate 12 ', lower cover 13 ', upper seam m1 ', lower seam m2 '.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The processing method that the rear case component of mobile terminal according to embodiments of the present invention is described below with reference to Fig. 1-Figure 20.This
In, mobile terminal can be mobile phone, palm PC, MP3 player etc., and the rear case component 1 of mobile terminal is mobile phone, palm electricity
The bonnet of the products such as brain, MP3 player, is not construed as limiting to the particular type of mobile terminal herein.
As shown in Figure 1-Figure 3, rear case component 1 constitute mobile terminal shell 100 rear wall, rear case component 1 respectively with housing
100 roof 101, bottom wall 102, left side wall 103 are connected with right side wall 104.In the example of fig. 3, during housing 100 also includes
Frame 2, center 2 is square box, and rear case component 1 is also generally square, and rear case component 1 is connected to the rear side of center 2, the four of center 2
Individual frame respectively constitutes roof 101, bottom wall 102, left side wall 103 and the right side wall 104 of housing 100, and the housing 100 of formation is approximate
For cuboid.Certainly, in the embodiment of the present invention, the shape of rear case component 1 be not limited to it is square, for example, housing 100 can be cylinder
Shape, rear case component 1 is formed as circular.
In embodiments of the present invention, as shown in Figure 1-Figure 3, rear case component 1 include independently process cover plate 11, on
Cover plate 12 and lower cover 13, upper cover plate 12 and lower cover 13 are connected to the both sides up and down of cover plate 11, and rear case component 1 is gold
Belong to part.The left surface s3 of cover plate 11 is adapted to the left side wall 103 of housing 100, and the right flank s4 of cover plate 11 is adapted to
The right side wall 104 of housing 100.
For convenience of understanding, as shown in figure 3, the institute of cover plate 11 herein is planar, by cover plate 11 in longer dimension
Direction is referred to as the above-below direction of cover plate 11, and cover plate 11 is referred to as the left and right directions of cover plate 11, shell in the shorter direction of size
Named also referring to the direction of cover plate 11 in the direction of body 100 and other parts.The cover plate for being such as located at the top of cover plate 11 is upper
Cover plate 12, the cover plate positioned at the lower section of cover plate 11 is lower cover 13.
It should be understood that, the side of the instruction such as " on ", " under " mentioned in this article, "front", "rear", "left", "right"
Position or position relationship, are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.For example in Fig. 1, if placed after product is carried out into 90 degree of rotations, it can claim
Cover plate 11 is the left and right directions of cover plate 11 in the direction of longer dimension, and cover plate 11 is called middle cover in the shorter direction of size
The above-below direction of plate 11.That is, direction restriction herein is not the specific restriction to product structure direction.Retouched for simplification
State, hereinafter in explanation referring now still to orientation explanation shown in figure.
It is understood that the bonnet of some mobile terminal products may require that processing hole, groove, ornamental circle in upper and lower ends
Arc etc., processes more complicated, and is often big planar structure in the part in bonnet center.Therefore bonnet can be divided into by manufacturer
Cover plate 11, upper cover plate 12 and the part of lower cover 13 3, concentrated hole, groove, the ornamental isostructural upper cover plate 12 of circular arc or
Lower cover 13, size reduction post-processing is light, and the manufacturing procedure of the cover plate 11 of big planar structure is reduced, and the process-cycle also can
Shorten.Also the mobile terminal product having, is removably designed for battery cover or other factors consider, bonnet is divided into
Cover plate 11 and non-removable upper cover plate 12, lower cover 13, cover plate 11 is equivalent to detachable battery lid.
After cover plate 11, upper cover plate 12 and lower cover 13 are assembled, cover plate 11 and upper cover plate 12, the junction of lower cover 13
Seam can be formed, it is more eye-catching that seam is located at the mobile terminal back side.If can refine, weaken seam, metal material can be achieved
Rear case component 1 is in the integrated appearance of seam crossing.The suitable rear case component processing method of selection, is to reach that bonnet seam is thin
One of means change, weakened.
In correlation technique, the modes such as CNC processing and punch process have been disclosed in the processing method for bonnet.Using CNC
Mode is processed, although processing is fine, but cost is high, the process-cycle is long.Obviously, CNC modes are excessively unrestrained for processing cover plate
Take.And impact style processing is used, process velocity is fast, efficiency high, and for cover plate simple in construction, punch process is more
Bring out the best in each other.
If to use punch machining process, the fireballing advantage of punch process is played, then how to punch process work
The characteristics of skill, maximizes favourable factors and minimizes unfavourable ones, and is to realize the refinement of bonnet seam, the key of reduction herein.
The processing method of the rear case component of mobile terminal according to embodiments of the present invention, including following procedure of processing：
Upper cover plate 12 and lower cover 13 are processed respectively, and here, the processing method of upper cover plate 12 and lower cover 13 is not made to have
Body is limited；
Metal material belt 200 is subjected to punching press to obtain cover plate 11 along direction initialization, metal material belt 200 is formed after being stamped
Tangent plane constitute the left surface s3 or right flank s4 of cover plate 11, size of the metal material belt 200 on direction initialization be substantially equal to
The size of cover plate 11 in the vertical direction；
Cover plate 11, upper cover plate 12 and lower cover 13 are assembled into rear case component 1.
Here for convenience of description, the direction initialization of metal material belt 200 is alternatively referred to as the width of metal material belt 200, hangs down
Directly it is referred to as the length direction of metal material belt 200 in the direction of direction initialization.In industrial processes, metal material belt 200 is in length side
Upward size is more than the size on width, and metal material belt 200 can stamp out multiple cover plates 11 along its length.But
It is also to be not excluded for as metal material belt 200 is by after segment, the size of metal material belt 200 in the longitudinal direction is less than or equal to width
Size on direction.Thus, " length ", " width " and " thickness " referred to afterwards herein, are for only for ease of description
The present invention and simplified description, rather than indicate or imply that the device or element of meaning must be with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.
The procedure of processing of cover plate 11 is as described above, from substantially wide with the above-below direction size of cover plate 11
Metal material belt 200, then metal material belt 200 is carried out to the part that is cut after punching press, punching press in the width direction and constitutes middle cover
Plate 11, the left surface s3 or right flank s4 of the tangent plane composition cover plate 11 that punching tool is formed in cover plate 11, and metal charge
With the opposite flank on 200 original widths, the upper side s1 that structure is cover plate 11 is distinguished after cover plate 11 is processed into
With downside s2.
Here, size of the metal material belt 200 on direction initialization is substantially equal to the size of cover plate 11 in the vertical direction,
Refer to that the width of metal material belt 200 is approximately equal to the size of cover plate 11 in the vertical direction.It is understood that cover plate
11 are processed into before final products by metal material belt 200, it is necessary to a series of Surface Machining is handled, and such as polished, are removed batch cutting edge of a knife or a sword, clear
Clean, sandblasting etc., it is contemplated that subtle flow and change in size can occur for material after processing, thus during feeding metal material belt 200 width
Degree is slightly larger than the size of cover plate 11 in the vertical direction, and the width dimensions and cover plate 11 of metal material belt 200 are in above-below direction
On dimension difference, no more than 1/10th of the size of cover plate 11 in the vertical direction.
After the housing 100 of mobile terminal is assembled, the left surface s3 of cover plate 11 is connected to the left side wall 103 of housing 100
On, the right flank s4 of cover plate 11 is connected on the right side wall 104 of housing 100, the upper side s1 connection upper cover plates of cover plate 11
12, the downside s2 connections lower cover 13 of cover plate 11.
It is understood that metal material belt area is big, processing method is polynary, therefore can select in the two sides of width
Smooth metal material belt.Metal material belt 200 is die-cut into after cover plate 11, as shown in figure 5 and figure 7, the upper side of cover plate 11
S1 and downside s2 are still plane.As shown in figure 1, when the lower surface of upper cover plate 12 is processed into plane, cover plate 11 and upper lid
The upper seam m1 that plate 12 is formed after assembling is formed as a fine rule, when the upper surface of lower cover 13 is also machined to plane, in
The lower seam m2 that cover plate 11 and lower cover 13 are formed after assembling is formed as a fine rule, if cover plate 11 and upper cover plate 12,
Lower cover 13 is docked in which can fit together perfectly, and above-mentioned seam visually even can be weakened to non-existent effect.So, it is mobile
The bonnet seam of terminal is tiny, after reduction, realizes appearance of the rear case component 1 in seam crossing integration of metal material.
It will also be appreciated that metal material belt 200 is after cutter punching press, the compressing of cutter can make material produce trickle change
Shape.As shown in Figure 6 and Figure 8, the side formation process fillet 111 that cover plate 11 is oppressed in cutter, i.e., cover plate 11 is in left surface
There is technique fillet 111 on s3 and right flank s4.Here, the parameter size of technique fillet 111 is by flitch parameter and punching press parameter
Determine, for example, in processing mobile phone bonnet, the parameter R for the technique fillet 111 being stamped and formed out is 0.07.
After being assembled due to the housing 100 of mobile terminal, as shown in figure 3, the left surface s3 of cover plate 11 is connected to housing 100
Left side wall 103 on, the right flank s4 of cover plate 11 is connected on the right side wall 104 of housing 100, as shown in Fig. 2 cover plate 11
On the technique fillet 111 that is stamped and formed out be located in the left and right sidewall of housing 100, it is to avoid technique fillet 111, which is formed, wakes up in bonnet
At mesh position.
Due to there is left profile handing-over line, the left surface of cover plate 11 between the left side wall 103 and cover plate 11 of housing 100
Technique fillet 111 on s3 joins line adjacent to left profile.There is also right wheel between the right side wall 104 and cover plate 11 of housing 100
Technique fillet 111 on exterior feature handing-over line, the right flank s4 of cover plate 11 is adjacent to right wheel exterior feature handing-over line.Therefore by technique fillet 111
Formed on the left surface s3, right flank s4 of cover plate 11, little is influenceed on the overall appearance of housing 100.
For the processing method of the embodiment of the present invention, also there is a kind of similar processing method, this method is by gold
Belong to material strip and carry out punching press along direction initialization to obtain cover plate 11 ', the tangent plane that metal material belt is formed after being stamped constitutes cover plate
11 ' upper side s1 ' or downside s2 ', size of the metal material belt on direction initialization is substantially equal to cover plate 11 ' in right and left
Upward size, punching press generates cover plate 11 ' as shown in Figure 9, and after assembling, rear case component 1 ' is connecing this cover plate 11 '
The appearance of integration is had a greatly reduced quality at seam.
Specifically, as illustrated in figures 11 and 13, metal material belt is die-cut into after cover plate 11 ', the left side of cover plate 11 '
Face s3 ' and right flank s4 ' were the opposite flank of metal material belt in the direction of the width originally, thus the left surface s3 ' of cover plate 11 ' and
Right flank s4 ' is still plane.
And as shown in fig. 10 and fig. 12, the tangent plane that metal material belt is formed after being stamped constitutes the upper side s1 ' of cover plate 11 '
Or downside s2 ', the side formation process fillet 111 ' that cover plate 11 ' is oppressed in cutter, i.e., cover plate 11 ' is in upper side s1 '
With have technique fillet 111 ' on the s2 ' of downside.
As shown in figure 14, after such cover plate 11 ' and upper cover plate 12 ' are assembled, along cover plate 11 ' and upper cover plate
Upper seam m1 ' places between 12 ', the upper side s1 ' of cover plate 11 ' the one wide seam of the formation of technique fillet 111 '.When such
After cover plate 11 ' is assembled with lower cover 13 ', along the lower seam m2 ' places between cover plate 11 ' and lower cover 13 ', cover plate 11
Downside s2 technique fillet 111 also form one wide seam.After so housing 100 ' is assembled, the back side of housing 100 ' is substantially divided
Cut, user's sensorial effects are poor.
After different processing method contrasts, hence it is evident that as can be seen that the processing of rear case component according to embodiments of the present invention
Method, processes cover plate 11 by Sheet Metal Forming Technology, saves processing cost, improve processing efficiency.In addition, during punch process makes
Carried on the relative side of cover plate 11 in technique fillet 111, the embodiment of the present invention, by the way that cover plate 11 is carried into technique fillet
111 side is arranged on the side-walls of housing 100, i.e., be hidden in technique fillet 111 at the position for being difficult to see clearly, carry on the back product
Gap is smaller in facial vision, and product fineness is good.
In certain embodiments, as shown in Figure 15-Figure 16, the processing of cover plate 11 comprises the following steps：
S1：Blank 201 at the beginning of metal material belt 200 is carried out into pre-punching to obtain cover plate along direction initialization, and at the beginning of cover plate
Blank 201 goes out location-plate 202 in advance on left side and/or right edge；
S2：Blank at the beginning of cover plate 201 is pre-processed to obtain middle cover boards half-finished product 203；
S3：Middle cover boards half-finished product 203 is punched removing location-plate 202 to obtain cover plate 11.
That is, at least punching press is for the first time pre- punching twice to metal material belt 200 during cover plate 11 is processed into
Pressure, is for the last time whole punching press.Just blank 201 needs to be pre-processed the cover plate that pre-punching goes out, therefore in pre-punching also
Location-plate 202 is being gone out at the beginning of cover plate on blank 201, blank 201 is placed at the beginning of cover plate to facilitate during pretreatment, afterwards again eventually
Location-plate 202 is cut away again during punching press, the final products of cover plate 11 are obtained.
Wherein, as shown in Figure 17 and Figure 19, the opposite flank on the original width of metal material belt 200 is being processed into
Structure is the upper and lower surface of the first blank 201 of cover plate, the upper and lower surface of the first blank 201 of cover plate respectively after the first blank 201 of cover plate
Remain the flat shape of the side of metal material belt 200.Punching tool is in the tangent plane formed at the beginning of cover plate on blank 201 is constituted
The left and right side of the first blank 201 of cover plate, metal material belt 200 is after cutter punching press, and the compressing of cutter can make material generation trickle
Deformation, cover plate 11 is formed with technique fillet 111 on left and right side.
Due to having gone out location-plate 202 at the beginning of cover plate on blank 201 in step sl, pre-processed in step s 2
When, just blank 201 can be by the vertically-arranged of location-plate 202 or suspension for cover plate, and the two sides of the first blank 201 of cover plate can obtain good
Handle well, be easy to ensure the crudy of cover plate 11.
Alternatively, in step S2 pretreatment, just blank 201 carries out oxidation processes to cover plate.During oxidation processes can make
The surface of cover plate 11 forms one layer of fine and close protective oxide film, it is possible to resolve the defect in terms of metal skin hardness, wearability, prolongs
The service life of long metal simultaneously strengthens aesthetics.
Specifically, 1-3 location-plate 202, the blank at the beginning of cover plate are being provided with the beginning of cover plate on the left side of blank 201
201 right edge is provided with 1-3 location-plate 202.
Certainly, the positioning requirements by blank at the beginning of cover plate 201 in pretreatment, cover plate is just on the left side of blank 201
Location-plate 202 can not be set, multiple location-plates 202 can be also set；Location-plate 202 can not be set in the right edge of the first blank 201 of cover plate,
Also multiple location-plates 202 can be set, the quantity of location-plate 202 on blank at the beginning of cover plate 201 is not especially limited here.
When being equipped with location-plate 202 on the left side and right edge of blank 201 at the beginning of cover plate, the first blank 201 of cover plate
The location-plate 202 of both sides can be symmetrical arranged, and the location-plate 202 of the first both sides of blank 201 of cover plate can also stagger setting, here also not
Make concrete restriction.
In some instances, as shown in figure 17, location-plate 202 is formed as sheet, and location-plate 202 is provided with thickness side
The hanging hole 2021 of upward insertion.That is, equivalent to one hangers of each location-plate 202, cover plate just locating in advance by blank 201
It can be hung during reason.The hangers of this sheet, simple in construction, punching tool structure is without excessively complexity, and processing cost is low.
Specifically, as shown in fig. 16 and 18, in step sl, the first blank 201 of cover plate is on left side and right edge
The location-plate 202 processed respectively on location-plate 202, and the left side and right edge of the first blank 201 of cover plate is respectively facing that
This bending.So, the main body of the locating surface of location-plate 202 and the first blank 201 of cover plate is spaced a distance, in convenience
The pretreatment on the first surface of blank 201 of cover plate.
For example, in pretreatment, the both sides of blank 201 at the beginning of cover plate are hung by linking up with, because hangers is with respect at the beginning of cover plate
Blank 201 is bent, and just blank 201 is staggered hook with cover plate, then if other instruments (such as spray gun) are to cover plate 11
The spraying of left and right side when, can avoid linking up with interference to other instruments.
In certain embodiments, as shown in Fig. 6, Fig. 8, the left side and right edge of cover plate 11 are respectively forwardly bent.This
Sample, as shown in figure 3, cover plate 11 forms the circular arc 112 of low-angle at left side and right edge so that product appearance is mellow and full,
It is attractive in appearance.
And after the left side and right edge of cover plate 11 are respectively forwardly bent, left surface s3, the right flank of cover plate 11
S4 can preferably snap onto the left side wall 103 of housing 100, on right side wall 104, make product casing connection even closer.
In certain embodiments, in the step S1 that cover plate 11 is processed, metal material belt 200 is rushed in advance from the front to the back
Pressure, as shown in Figure 18, Figure 20, the left side and right edge of the first blank 201 of cover plate are respectively forwardly bent, and form the circle of low-angle
Arc 112.That is, after the left and right side camber of blank 201 at the beginning of cover plate, just blank 201 is pre-processed cover plate again.
If it is appreciated that at the beginning of the first blank 201 of cover plate is stamped and formed out flexural deformation, cover plate again after being pre-processed
The surface that blank 201 is generated in pretreatment can be destroyed.Therefore before being pre-processed, just in left and right, side edge stamps out arc
Degree, it is ensured that the crudy that cover plate 11 is pre-processed.
Specifically, in step sl, just blank 201 processes location-plate to cover plate respectively on left side and right edge
Location-plate 202 on 202, and the left side and right edge of the first blank 201 of cover plate is respectively facing to be bent each other.Location-plate 202
There is angle, and the bearing of trend of location-plate 202 and the left side of cover plate 11 or right side between blank at the beginning of cover plate 201
The bending direction on side is tangent.So, as the stress in punching of location-plate 202 can be avoided excessive and damaged as possible.
The processing method of cover plate 11 according to a specific embodiment of the invention is described with reference to Figure 16.It is specific as follows,
The pre-punching first on metal material belt 200, cuts one block of metal charge using as blank 201 at the beginning of cover plate, the first blank of the cover plate
201 left and right sides is respectively provided with two hangers, wherein, punching tool base at the beginning of cover plate is cut out on blank 201 at the beginning of cover plate
The left surface and right flank of part 201.Afterwards, blank at the beginning of cover plate 201 is subjected to oxidation processes and obtains middle cover boards half-finished product 203,
The surface of middle cover boards half-finished product 203 obtains fine and close oxide-film.Finally, middle cover boards half-finished product 203 is stamped again cuts away hangers, obtains
The finished product of cover plate 11.
In the description of the invention, unless otherwise clearly defined and limited, term " connected ", " connection " should do broad sense reason
Solution, for example, it may be fixedly connected or be detachably connected, or integrally；Can be mechanical connection or electricity
Connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two element internals connection or two
The interaction relationship of element.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of this specification, the description of reference term " embodiment ", " example " etc. mean to combine the embodiment or
Specific features, structure, material or the feature of example description are contained at least one embodiment of the present invention or example.At this
In specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description is specific
Feature, structure, material or feature can in an appropriate manner be combined in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (9)
1. a kind of processing method of the rear case component of mobile terminal, it is characterised in that the rear case component includes independently adding
Cover plate, upper cover plate and the lower cover of work, the upper cover plate and the lower cover are connected to up and down the two of the cover plate
Side, the rear case component is metalwork, and the rear case component includes following procedure of processing：
Metal material belt is subjected to punching press to obtain the cover plate along direction initialization, what the metal material belt was formed after being stamped cuts
Face constitutes the left surface or right flank of the cover plate, and the left surface of the cover plate is adapted to the housing of the mobile terminal
Left side wall, the right flank of the cover plate is adapted to the right side wall of the housing of the mobile terminal, and the metal material belt exists
Size on direction initialization is substantially equal to the size of the cover plate in the vertical direction；
The upper cover plate and the lower cover are processed respectively；
The cover plate, the upper cover plate and the lower cover are assembled into the rear case component；Wherein,
The processing of the cover plate comprises the following steps：
S1：Blank at the beginning of metal material belt is carried out into pre-punching to obtain cover plate along direction initialization, and just blank exists the cover plate
Pre-punching goes out location-plate on left side and/or right edge；
S2：Blank at the beginning of the cover plate is pre-processed to obtain middle cover boards half-finished product；
S3：Middle cover boards half-finished product punching is removed the location-plate to obtain cover plate.
2. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that in the pre- of step S2
In processing, just blank carries out oxidation processes to the cover plate.
3. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that in the cover plate
The left side of first blank is provided with 1-3 location-plate.
4. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that in the cover plate
The right edge of first blank is provided with 1-3 location-plate.
5. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that the positioning plate shape
As sheet, and the location-plate is provided with the hanging hole of insertion in a thickness direction.
6. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that the cover plate
Left side and right edge are respectively forwardly bent.
7. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that in step sl,
Metal material belt carries out pre-punching from the front to the back so that the left side and right edge of the first blank of the cover plate are respectively forwardly bent.
8. the processing method of the rear case component of mobile terminal according to claim 1, it is characterised in that in step sl,
Just blank processes the location-plate, and a left side for the first blank of the cover plate to the cover plate respectively on left side and right edge
The location-plate on side and right edge is respectively facing to be bent each other.
9. the processing method of the rear case component of mobile terminal according to claim 7, it is characterised in that in step sl,
There is angle, and the bearing of trend of the location-plate and the cover plate between the location-plate and the first blank of the cover plate
Left side or the bending direction of right edge are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179035.5A CN105643214B (en) | 2016-03-25 | 2016-03-25 | The processing method of the rear case component of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610179035.5A CN105643214B (en) | 2016-03-25 | 2016-03-25 | The processing method of the rear case component of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105643214A CN105643214A (en) | 2016-06-08 |
| CN105643214B true CN105643214B (en) | 2017-08-29 |
Family
ID=56495447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610179035.5A Expired - Fee Related CN105643214B (en) | 2016-03-25 | 2016-03-25 | The processing method of the rear case component of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105643214B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018058516A1 (en) * | 2016-09-30 | 2018-04-05 | 北京小米移动软件有限公司 | Preparation method for metal housing, metal housing, electronic device |
| CN107552638B (en) * | 2017-09-30 | 2020-04-10 | Oppo广东移动通信有限公司 | Method for processing plate, method for preparing mobile phone middle frame, mobile phone middle frame and mobile phone |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102133594A (en) * | 2010-12-16 | 2011-07-27 | 重庆大学 | Cold working forming method for magnesium alloy stamped mobile phone shell |
| CN102202475A (en) * | 2010-03-25 | 2011-09-28 | 深圳富泰宏精密工业有限公司 | Electronic device shell and manufacturing method thereof |
| CN102950865A (en) * | 2011-08-17 | 2013-03-06 | 锦明实业股份有限公司 | Method for manufacturing progressive punch-formed decorative machine plate |
| TW201341196A (en) * | 2012-02-24 | 2013-10-16 | Byd Co Ltd | Shell and method of preparing the shell |
| CN203661135U (en) * | 2014-01-24 | 2014-06-18 | 宝鸡佳域宇通电子科技有限公司 | All-metal battery chamber handset |
| CN103929915A (en) * | 2014-04-02 | 2014-07-16 | 东莞劲胜精密组件股份有限公司 | Waterproof metal outer shell of electronic product and manufacturing method thereof |
| CN104582366A (en) * | 2014-12-31 | 2015-04-29 | 广东欧珀移动通信有限公司 | Terminal shell, applied terminal of terminal shell and terminal shell manufacturing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7688574B2 (en) * | 2007-01-05 | 2010-03-30 | Apple Inc. | Cold worked metal housing for a portable electronic device |
-
2016
- 2016-03-25 CN CN201610179035.5A patent/CN105643214B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202475A (en) * | 2010-03-25 | 2011-09-28 | 深圳富泰宏精密工业有限公司 | Electronic device shell and manufacturing method thereof |
| CN102133594A (en) * | 2010-12-16 | 2011-07-27 | 重庆大学 | Cold working forming method for magnesium alloy stamped mobile phone shell |
| CN102950865A (en) * | 2011-08-17 | 2013-03-06 | 锦明实业股份有限公司 | Method for manufacturing progressive punch-formed decorative machine plate |
| TW201341196A (en) * | 2012-02-24 | 2013-10-16 | Byd Co Ltd | Shell and method of preparing the shell |
| CN203661135U (en) * | 2014-01-24 | 2014-06-18 | 宝鸡佳域宇通电子科技有限公司 | All-metal battery chamber handset |
| CN103929915A (en) * | 2014-04-02 | 2014-07-16 | 东莞劲胜精密组件股份有限公司 | Waterproof metal outer shell of electronic product and manufacturing method thereof |
| CN104582366A (en) * | 2014-12-31 | 2015-04-29 | 广东欧珀移动通信有限公司 | Terminal shell, applied terminal of terminal shell and terminal shell manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105643214A (en) | 2016-06-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104476136B (en) | A kind of forming method of metallic mobile phone housing | |
| CN104981124B (en) | The processing method of mobile terminal and its shell and shell | |
| CN108055376B (en) | Processing method of metal bottom shell of mobile phone and related product | |
| CA2474611A1 (en) | Metal cutting tool | |
| CN105643214B (en) | The processing method of the rear case component of mobile terminal | |
| KR20080042285A (en) | Manufacturing method of the housing for lcd module and housing made by the same | |
| CN109759780B (en) | Method for preparing middle frame, middle frame and mobile terminal | |
| CN110666456A (en) | Metal plate production process | |
| CN106078097A (en) | Processing method of casing and housing | |
| CN204810734U (en) | Mobile terminal and casing thereof | |
| CN108508728B (en) | Manufacturing method of dial plate word nail, dial plate and watch | |
| KR100266804B1 (en) | Method for manufacturing fire hydrant frame | |
| CN114082840A (en) | Antenna support forming die and forming process thereof | |
| CN211965686U (en) | Metal box-shaped part | |
| CN215699421U (en) | Cost-reducing high-yield housing assembly | |
| CN215032885U (en) | Automobile door outer plate die | |
| CN218949309U (en) | Surrounding with high-recognition grille | |
| CN214335484U (en) | Watch bottom cover, watch head and watch | |
| CN204621194U (en) | Four sword side set forming cutters | |
| CN215145285U (en) | Take high adaptation swing saw of U font pilot hole | |
| CN204221296U (en) | Flame hydraulic welding trimmer | |
| USD965651S1 (en) | Machine tool for metal working | |
| CN214943193U (en) | Combined hardware | |
| CN218902354U (en) | Paint spraying jig | |
| US5839334A (en) | Ornamental article and method of producing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523859 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |