CN107486523B - A kind of method for producing shell - Google Patents
A kind of method for producing shell Download PDFInfo
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- CN107486523B CN107486523B CN201710927192.4A CN201710927192A CN107486523B CN 107486523 B CN107486523 B CN 107486523B CN 201710927192 A CN201710927192 A CN 201710927192A CN 107486523 B CN107486523 B CN 107486523B
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- shell
- forging die
- die
- face
- flash
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
Abstract
The present invention provides a kind of method for producing shell, the method for producing shell includes: to provide first shell matrix, and the first shell matrix has the first surface and second surface being oppositely arranged；Forge die, the second forging die that there is the forge die the first forging die and opposite first forging die to squeeze are provided；First forging die and second forging die squeeze the first surface and the second surface respectively；Second shell matrix is obtained, the second shell matrix has the second curved surface of first surface and the relatively described first surface setting, and the flash side between the first surface and second curved surface；Remove the flash side.Squeeze the first surface and second surface of the first shell matrix respectively by first forging die and second forging die, obtain the second shell matrix with first surface and the second curved surface, finally remove the flash side, to complete the general shape processing of shell, reduce process time, reduces shell production cost.
Description
Technical field
The present invention relates to field of electronic device more particularly to a kind of method for producing shell.
Background technique
In the production process, majority uses the appearance of milling process milling shell to handset shell at present.However, due to shell
There are multiple curved surfaces for the appearance of body, cause milling shell to take a long time, increase shell production cost.
Summary of the invention
The present invention provides a kind of method for producing shell for reducing production cost.
The present invention provides a kind of method for producing shell, wherein the method for producing shell includes:
First shell matrix is provided, the first shell matrix has the first surface and second surface being oppositely arranged；
Forge die, the second forging die that there is the forge die the first forging die and opposite first forging die to squeeze are provided；
First forging die and second forging die squeeze the first surface and the second surface respectively；
Second shell matrix is obtained, there is the second shell matrix first surface and the relatively described first surface to be arranged
Second curved surface, and the flash side between the first surface and second curved surface；
Remove the flash side.
Method for producing shell provided by the invention squeezes described by first forging die and second forging die respectively
The first surface and second surface of one housing base, so that obtaining the second shell base with first surface and the second curved surface
Body finally removes the flash side, to complete the general shape processing of shell, reduces process time, it is raw to reduce shell
Produce cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow diagram of method for producing shell provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the step 101 of the method for producing shell of Fig. 1；
Fig. 3 is the schematic cross-section of shell made by method for producing shell provided in an embodiment of the present invention；
Fig. 4 is the first shell matrix schematic cross-section of the step 101 of method for producing shell provided in an embodiment of the present invention；
Fig. 5 is the schematic cross-section of the plate of the step 101 of method for producing shell provided in an embodiment of the present invention；
Fig. 6 is the machining sketch chart of the plate of the step 101 of method for producing shell provided in an embodiment of the present invention；
Fig. 7 is the schematic diagram of method for producing shell forge die processing first shell matrix provided in an embodiment of the present invention；
Fig. 8 is the forge die molding schematic diagram of method for producing shell provided in an embodiment of the present invention；
Fig. 9 is the II enlarged schematic partial view of the forge die of Fig. 8；
Figure 10 another embodiment of the present invention provides method for producing shell forge die the first forging die schematic diagram；
Figure 11 another embodiment of the present invention provides method for producing shell forge die the second forging die schematic diagram；
Figure 12 is another molding schematic diagram of forge die of method for producing shell provided in an embodiment of the present invention；
Figure 13 is the schematic diagram of the second shell matrix of method for producing shell provided in an embodiment of the present invention；
Figure 14 is the flow diagram of the step 107 of method for producing shell provided in an embodiment of the present invention；
Figure 15 is the machining sketch chart of the second shell matrix of method for producing shell provided in an embodiment of the present invention；
Figure 16 is the third housing base schematic diagram of method for producing shell provided in an embodiment of the present invention；
Figure 17 is another schematic diagram of the shell of method for producing shell production provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it is to be understood that the orientation or positional relationship of the instructions such as term " thickness " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than imply or refer to
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
Fig. 1 and Fig. 3 are please referred to, the present invention provides a kind of method for producing shell, and the method for producing shell is for making shell
Body.The shell 100 is process by metal sheet.The outer surface of the shell 100 is made of multiple curved surfaces, so that described
100 appearance of shell is mellow and full, increases user experience.It is understood that the shell 100 is applied to mobile terminal, the movement
Terminal can be mobile phone, tablet computer or laptop etc..In present embodiment, the shell 100 is the back-cover of mobile phone.
As shown in Figure 1 and Figure 4, the method for producing shell comprising steps of
101: providing first shell matrix 10, the first shell matrix 10 has the first surface 11 that is oppositely arranged and the
Two surfaces 12.
In present embodiment, the first shell matrix 10 is using cutting and extrusion process molding.The first shell base
The generally rectangular shaped plate shape of body 10.The first surface 11 and the second surface 12 are 10 two sides of first shell matrix
Big face.11 periphery of the first surface bending, 12 periphery of the second surface bending.The first surface 11 has the first bending
Area 111 and the first clear area 112.The second surface 12 has the second buckled zone 121 and the second clear area 122.Described first
The curvature of first buckled zone 111 on surface 11 is greater than the curvature of the second buckled zone 121 of the second surface 12.First table
The area of first buckled zone 111 in face 11 is greater than the area of the second buckled zone 121 of the second surface 12.The i.e. described first shell
In the production process, the first surface 11 is greater than the second surface 12 by stress by stress to body matrix 10.Benefit
There is the first surface 11 and the second surface 12 with the first shell matrix 10, utilize the first shell matrix 10
Shape close to the shell 100 so as to apply stress to the first shell matrix 10 smaller for subsequent step, avoid described
First shell matrix 10 is damaged in the next steps.
Please refer to Fig. 2, Fig. 5 and Fig. 6, in one embodiment, the step 101 comprising steps of
1011: plate 20 is provided, the plate 20 have that the first big face 21 and the relatively described first big face 21 be arranged the
Two big faces 22.
The plate 20 is rectangular metal plate.The plate 20 is obtained using cutting technique.First big face 21 and described
The second largest face 22 is rectangular surfaces.The first big face 21 is burnishing surface, and the second largest face 22 is burnishing surface.It is big described first
Before face 21 and the second largest face 22 processing, needs to clean the described first big face 21 and the second largest face 22, remove institute
State the dust on the first big face 21 and second face 22.
1012: removing the burr of the periphery of the plate 20.
It polishes the side of the plate 20, so that the plate 20 is neat, avoids to the plate 20
In process, 20 discontinuity equalization of plate improves appearance so that the deformation of the plate 20 is balanced.
1013: the plate 20 is heated.
The plate 20 is placed in heating equipment, so that 20 temperature of the plate is increased to preset value.The plate
20 after the heating intermolecular stress reduce so that 20 deformational stress of the plate reduces, facilitate the plate 20 in following process
It forms in the process.
1014: squeezing the first big face 21 and the second largest face 22 of the plate 20, the first big face 21 forms the first table
Face 11, the second largest face 22 form second surface 12.
The plate 20 is squeezed using forge die.The plate 20 is placed in forge die, to described
20 blocking of plate.It is squeezed using periphery of the forge die to the described first big face 21, and to the second largest face 22
Periphery is squeezed.Big 21 periphery of face of the first of the plate 20 by forge die extruding and Bending Deformation, form described the
One surface 11.22 periphery of the second largest face of the plate 20 by forge die extruding and Bending Deformation, form second table
Face 12.When the forge die carries out impact extruded to the plate 20, the plate 20 slowly by stress, avoids institute
Plate 20 is stated to generate avalanche, draw the defects of material, recess.The first surface 11 is in the smooth setting in the region of non-periphery, and described
Two surfaces 12 are in the smooth setting in the region of non-periphery, so that the first shell matrix 10 is to stop in subsequent process
Machining allowance.
1015: obtaining first shell matrix 10.
After completing to squeeze to the described first big face 21 and the second largest face 22, to the first surface 11 and described the
It is cleaned on two surfaces 12.Remove the burr of 10 side of first shell matrix.
As shown in Figure 1, the method for producing shell comprising steps of
102: to 10 sampling Detection of first shell matrix.
In present embodiment, after multiple first shell matrixes 10 are made in batches, to the first shell matrix 10
It is sampled.The methods of sampling of the first shell matrix 10 can be, and described the of preset quantity is extracted in predetermined period
One housing base 10 measures the size of the first shell matrix 10 of preset quantity, judges the first shell base of preset quantity
Whether the size of body 10 is greater than within the allowable range of values.The minimum value of the permissible value range, should close to the size of the shell 100
The maximum value of permissible value range is that the drawing requirement size of the first shell matrix 10 adds allowable error value.Pass through described
The actual size of one housing base 10 is greater than minimum allowable value, so that there are machining allowance for the first shell matrix 10, it is convenient
The following process of the first shell matrix 10 avoids the first shell matrix 10 from lacking material during following process.And lead to
The actual size for crossing the first shell matrix 10 is less than maximum permissible value, so that 10 following process mistake of the first shell matrix
Deformation resistance reduces in journey.If the size of the first shell matrix 10 is within the allowable range of values, next step is carried out.If institute
The size of first shell matrix 10 is stated beyond permissible value range, then adjusts forge die to the squeezing parameter of the plate 10, is somebody's turn to do
Squeezing parameter includes the heating temperature of the plate 10, to the extruding force of the plate 10, to the impact velocity of the plate 10,
To the extrusion time etc. of the plate 10.
Please refer to Fig. 1, Fig. 7 and Fig. 8, the method for producing shell comprising steps of
103: providing forge die 30, there is the forge die 30 first forging die 31 and opposite first forging die 31 to squeeze
Second forging die 32.
In present embodiment, the forge die 30 also has lathe.Second forging die 32 is fixed on the lathe 33
On, first forging die 31 is slidably connected to the lathe, and relatively described second forging die 32 slides.The cunning of first forging die 31
Dynamic direction is vertically arranged.First forging die 31 impacts second forging die 32, first forging die 31 and second forging
Mould 32 jointly squeezes the first shell matrix 10, so that the first shell matrix 10 generates deformation, completes to institute
State the processing of first shell matrix 10.
In one embodiment, first forging die 31 has the first die joint 311 and is opened in the first die joint 311
First type chamber 312.Second forging die 32 has second die joint 321 opposite with first die joint 311 and is opened in
The second type chamber 322 of second die joint 321.The inner sidewall of the first type chamber 312 and the inside of the second type chamber 322
Wall applies extruding force to the first surface 11 and the second surface 12 respectively.First die joint 311 is burnishing surface.Institute
311 normal direction of the first die joint is stated to be vertically arranged, when so that the first forging die 31 being squeezed with 32 phase of the second forging die, described first point
Type face 311 is not easy opposite slide with second die joint 312.Parallel first die joint of second die joint 321
311.The first type chamber 312 has the first forming surface 313 intersected with first die joint 311.First forming surface
313 be curved surface.First forging die 31 is whole at the first surface 11 at the first forming surface 313 to the first shell matrix 10
Body applies squeezing action, so that 11 stress of first surface of the first shell matrix 10 and deformation, so that the first shell
Body matrix 10 molds required shape at the first surface 11.The second type chamber 322 has and described second point
The second forming surface 323 that type face 321 is intersected.Second forming surface 323 is curved surface.The curvature of second forming surface 323 is small
In the curvature of first forming surface 313.Second forging die 32 is at the second forming surface 323 to the first shell matrix 10
Second surface 12 at integrally apply squeezing action so that 12 stress of second surface of the first shell matrix 10 and deformation,
So that the first shell matrix 10 molds required shape at the second surface 12.
In present embodiment, the first flash is arranged in the opening periphery of first die joint 311 in the first type chamber 312
Slot 314, the second type chamber 322 second die joint 321 opening periphery be arranged the second flash groove 324, described second
Flash groove 324 and first flash groove 314 are opposite.First flash groove 314 is open along the first type chamber 312 circumferentially to be prolonged
It stretches.First flash groove 314 is used to accommodate first forging die 31 and squeezes to the first surface 11 of the first shell matrix 10
The material squeezed out during pressure.Second flash groove 324 is for accommodating second forging die 32 to the second shell matrix
The material squeezed out in 10 12 extrusion process of second surface.First flash groove 314 has towards second forging die 32
Opening, second flash groove 324 has the opening towards first forging die 31, in first forging die 31 and described the
After the molding of two forging dies 32, first flash groove 314 and second flash groove 324 closure are in a flash cavity.Described
One flash groove 314 also has the first opening 315 penetrated through with the first type chamber 312, squeezes in first forging die 31 described
When first shell matrix 10, the material of the first shell matrix 10 enters first flash groove through first opening 315
314.Second flash groove 324 also has the second opening 325 penetrated through with the second type chamber 324, in second forging die
When the 32 extruding first shell matrix 10, the material of the first shell matrix 10 is through described in 325 entrance of the second opening
Second flash groove 325.It is understood that first flash groove 314 is in the opening of first die joint 311 and described the
Two flash grooves 324 are opposite in the opening of second die joint 321, and same size.The first of first flash groove 314 opens
The bore of mouth 315 is equal to the bore of the second opening 325 of second flash groove 324, so that first flash groove 314 is right
The stress of the first shell matrix 10 reduces degree and is equal to the answering to the first shell matrix 10 of the second flash groove 324
Power reduces degree, so that the first surface 11 of the first shell matrix 10 and 12 deformation of the second surface are balanced.
As shown in Figure 10 and Figure 11, in another embodiment, opening of first forging die 31 in the first type chamber 312
Multiple the first flash grooves 314 being spaced apart from each other are set.Each first flash groove 314 is set to the first type chamber 312
Open edge bending larger part.The open edge bending larger part of the first type chamber 312 is to the first shell matrix 10
Squeezing action is larger, and first flash groove 314 forms the stress breach of the first type chamber 312, so that the first type chamber
11 squeezing action of first surface of 312 pairs of first shell matrixes 10 is balanced.Second forging die 32 is in the second type chamber
Multiple the second flash grooves 324 being spaced apart from each other are arranged in 322 opening.Each second flash groove 324 is set to described second
The open edge bending larger part of type chamber 322.The open edge bending larger part of the second type chamber 322 is to the first shell
The squeezing action of matrix 10 is larger, and second flash groove 324 forms the stress breach of the second type chamber 322, so that described
Second type chamber 322 is balanced to 12 squeezing action of second surface of the first shell matrix 10.
As shown in figure 9, in one embodiment, the accommodation space of first flash groove 314 is greater than second flash
The flash space of slot 324.First forging die 31 is greater than institute to 11 deformation effect of first surface of the first shell matrix 10
The second forging die 32 is stated to 12 deformation effect of second surface of the first shell matrix 10,314 collecting post of the first flash groove
The shape-changing material for stating first shell matrix 10 accommodates the deformation material of the first shell matrix 10 more than second flash groove 324
Material.It is understood that the first circular arc chamfering 316 is set at first opening 315 of first flash groove 314, described second
The second circular arc chamfering 326 is arranged in the opening of the second type chamber 322 in flash groove 324.First circular arc chamfering 316 connects
The inner sidewall of the inner sidewall of first flash groove 314 and the first type chamber 312, so that 10 deformation of first shell matrix
Material is smoothly squeezed into first flash groove 314.Second circular arc chamfering 326 connects the interior of second flash groove 324
The inner sidewall of side wall and the second type chamber 322, so that 10 shape-changing material of first shell matrix smoothly squeezes into described second
In flash groove 324.
In one embodiment, first forming surface 313 is equipped with groove 317, the inner circumferential side of the groove 317 and institute
The first forming surface 313 is stated to connect by the first circular arc camber 318.Opening edge of the groove 317 in first forming surface 313
Edge extends along track curve.The groove 317 is for molding boss structure on the first shell matrix 10.Institute
State one end that groove 317 is located at 312 length direction of the first type chamber.All sides of groove 317 and first forming surface 313
Angle on-fixed it is constant so that the bending radius value of first circular arc camber 318 is also that on-fixed is constant.Such as: it is described
The side face of groove 317 has the first area 317a close to 312 open edge of the first type chamber, the week of the groove 317
Side has second area 317b, the first area 317a and described first far from 312 open edge of the first type chamber
The angle of forming surface 313 is greater than the angle of the second area 317b and first forming surface 313.I.e. described first circular arc is bent
At least there are two different arc radius in face 318.First forging die 31 is at first circular arc camber 318 through milling work
Skill is process.
Please refer to Fig. 1 and Fig. 7, in one embodiment, the method for producing shell comprising steps of
104: 10 preprocessing of the first shell matrix processing.The first shell matrix 10 after extrusion process forms,
There are burrs for the periphery of the first shell matrix 10, using milling process to the hair for removing 10 side of first shell matrix
Thorn, or the burr for using technique for grinding to remove 10 side of first shell matrix.It is gone to the first shell matrix 10
After flash removed, preset temperature is heated to the first shell matrix 10, so that the first shell matrix 10 is easy to be described
Forge die 30 forges and presses.Certainly in other embodiments, it is also possible to that the first shell matrix 10 is carried out being heated to presetting
After temperature, the burr of the first shell matrix 10 is removed.
It is understood that the step 104 is also possible to before step 103, or with the step 103 simultaneously into
Row.
Please refer to Fig. 1 and Fig. 7, the method for producing shell comprising steps of
105: first forging die 31 and second forging die 32 squeeze the first surface 11 and second table respectively
Face 12.
In present embodiment, first forging die 31 is at first forming surface 313 to the first shell matrix 10
First surface 11 apply extruding force, second forging die 32 is at second forming surface 323 to the first shell matrix
Second surface 12 apply extruding force.First forging die 31 and second forging die 32 squeeze the first shell matrix jointly
10.Material of the first shell matrix 10 at the first surface 11 is squeezed by first forging die 31, and along described
One forming surface 313 slides into first flash groove 314.Material of the first shell matrix 10 at the second surface 12
It is squeezed by second forging die 32, and is slid into second flash groove 324 along second forming surface 323.Described first
During forging die 31 and second forging die 32 squeeze the first shell matrix 10, first forging die 31 relatively described
Two forging dies 32 carry out repeat impact, and the impact force that relatively described second forging die 32 of first forging die 31 impacts is gradually increased, makes
The first shell matrix 10 is obtained to form through multiple deformation post-processing.First forging die 31 and second forging die 32 squeeze institute
During stating first shell matrix 10, the first shell matrix 10 is adjusted in first forging die 31 and second forging die 32
Between position avoid the first shell matrix 10 from occurring outer so that the first shell matrix 10 is accurate by stress
See defect.
Please refer to Fig. 1 and Figure 13, the method for producing shell comprising steps of
106: obtaining second shell matrix 40, the second shell matrix 40 has first surface 41 and relatively described first
The second curved surface 42 that curved surface 41 is arranged, and the flash side 43 between the first surface 41 and second curved surface 42.
In present embodiment, the second shell is forged into the forge die 30 in the first shell matrix 10
After body matrix 40, the second shell matrix 40 is taken out from the forge die 30.Then the second shell matrix is removed
40 burr, and whether the size for detecting the second shell matrix 40 meets the requirement of design drawing.First forming surface
313 mold the first surface 41.The first surface 41 is adapted with the first forming surface 313 of the first type chamber 31,
The shape of first forming surface 313 is identical as 41 shape of first surface.Second forming surface 323 molds described
Two curved surfaces 42.Second curved surface 42 is adapted with the second forming surface 323 of the second type chamber 32, second forming surface
323 shape is identical as 42 shape of the second curved surface.Groove 317 in first forming surface 313, which molds, to be located at
The boss 44 of the first surface 41.The boss 44 is adapted with the groove 317.The outer shape of the boss 44 and institute
The shape for stating groove 317 is identical.The circumferential lateral surface of the i.e. described boss 44 extends along oval racetrack curve.Outside the boss 44
All sides are connected with the first surface 41 by the second circular arc camber 45, second circular arc camber 45 and first circular arc
Curved surface 318 is identical.I.e. described first circular arc camber 318 molds second circular arc camber 45.All sides of the boss 44
It is constant with the angle on-fixed of the first surface 41, so that the bending radius value of second circular arc camber 45 is also on-fixed
It is constant.Such as: the side face of the boss 44 has close to first side 441 at 40 edge of second shell matrix, described convex
The side face of platform 44 has second side 442 far from 40 edge of second shell matrix, first side 441 and described first
The angle of curved surface 41 is greater than the angle of described second side 442 and the first surface 41.I.e. described second circular arc camber 45 is at least
There are two different arc radius.Go out the first song of the second shell matrix 40 using 31 extrusion forming of the first forging die
Face 41, and the boss 44 of oval racetrack is molded on the first surface 41, and mold at least and have two not
With the second circular arc camber 45 of arc radius, so that the difficulty of processing to the first shell matrix 10 is reduced, by simple
Processing technology mold complicated second shell matrix 40, improve production efficiency.The flash side 43 is formed in institute
It states in the first flash groove 314 and second flash groove 324.The flash side 43 is extruded by the first shell matrix 10
Material is constituted.The flash side 43 is connected to the first surface 41 and second curved surface 42.It is understood that described
After second shell matrix 40 is processed into the shell 100, the boss 44 can be the camera euphotic cover plate of the shell 100
Mounting structure., the camera in the shell 100 can be corresponded on the inside of the boss 44.
Please refer to Fig. 1, Figure 14, Figure 15 and Figure 16, the method for producing shell comprising steps of
107: removing the flash side 43.
In present embodiment, the flash side 43 is excess stock, by removing the flash side 43, so that described second
The shape of 40 outer shape of the housing base approximately shell 100.The step 107 comprising steps of
1071: flash side 43 described in milling, molding connect the faying face of the first surface 41 and second curved surface 42
46。
In present embodiment, using flash side 43 described in CNC milling machine milling, to remove the flash side 43.The flash
After the part that the first surface 41 and second curved surface 42 are protruded in side 43 is milled away, in the first surface 41 and described
The faying face 46 is formed between second curved surface 42.The faying face 46 is burnishing surface, the faying face 46 and first song
There are bonding wires for face 41 and second curved surface 42, therefore need to be further processed the faying face 46, are wanted with meeting the appearance
It asks.Certainly, in other embodiments, it is also possible to remove the flash side 43 using grinding process.
1072: processing the faying face 46 and the first surface 41 and 42 joint of the second curved surface.
In present embodiment, faying face 46 described in milling process milling and the first surface 41 and described the are continued with
Two curved surfaces, 42 joint, to eliminate the bonding wire of the faying face 46 and the first surface 41 and second curved surface 42.It is logical
Faying face 46 described in CNC milling machine milling is crossed, milling cutter is can control and is processed according to pre-programmed curve path, so that milling cutter
Machining path can be docked with the first surface 41 and second curved surface 42, so that it is without offset outer to obtain smooth in appearance
Sight face.It certainly, in other embodiments, can also be bent with US book first to the faying face 46 of polishing using technique for grinding
The bonding wire in face 41 and second curved surface 42.
1073: obtaining the third curved surface 47 to connect with the first surface 41 and 42 circular arc of the second curved surface.
Present embodiment, described in third curved surface 47 connect the first surface 41 and second curved surface 42, and it is described
Third curved surface 47 and 41 smooth connection of first surface, the third curved surface 47 and 42 smooth connection of the second curved surface.Institute
State the appearance that third curved surface 47 constitutes the shell 100.After obtaining the third curved surface 47, to 47 He of third curved surface
The first surface 41 and second curved surface 42 carry out sanding and polishing, so that the third curved surface 47 and the first surface
41 and second curved surface 42 it is more smooth.
It is understood that as shown in figure 17, the shell 100 is the back-cover of mobile terminal.In the step 107,
After obtaining the third curved surface 47, that is, obtain third housing base 50.The production method of the shell completes the step 107
Later, it is also necessary to process the third housing base 50.Specifically, being processed on second curved surface 42 using milling process
Accommodating chamber 51 and antenna slit slot 52, and colloid is molded and filled on the third housing base 50, described in final acquisition
Shell 100.
Method for producing shell provided by the invention squeezes described by first forging die and second forging die respectively
The first surface and second surface of one housing base, so that obtaining the second shell base with first surface and the second curved surface
Body finally removes the flash side, to complete the general shape processing of shell, reduces process time, it is raw to reduce shell
Produce cost.
It is the embodiment of the embodiment of the present invention above, it is noted that those skilled in the art are come
It says, without departing from the principles of the embodiments of the present invention, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (17)
1. a kind of method for producing shell, which is characterized in that the method for producing shell includes:
Plate is provided, the plate has the second largest face in the first big face and the relatively described first big face setting, to the plate
Heating, squeezes the first big face and the second largest face of the plate, and the first big face forms first surface, the second largest face shape
At second surface, to obtain first shell matrix, the first surface periphery bending, the second surface periphery bending；
Forge die is provided, the second forging die that there is the forge die the first forging die and opposite first forging die to squeeze, described the
One forging die has the first die joint and is opened in the first type chamber of the first die joint, and the first type chamber has the first inner sunken face, institute
Stating the second forging die has second die joint opposite with first die joint and is opened in the second type of second die joint
Chamber, second type chamber have the second inner sunken face, the first inner sunken face of the first type chamber and the second type chamber second in
Concave curved surface applies extruding force to the first surface and the second surface respectively；
First forging die and second forging die squeeze the first surface and the second surface respectively；
Second shell matrix is obtained, the second shell matrix has the second of first surface and the relatively described first surface setting
Curved surface, and the flash side between the first surface and second curved surface；
Remove the flash side.
2. method for producing shell according to claim 1, which is characterized in that the first big face is burnishing surface, described the
Two big faces are burnishing surface.
3. method for producing shell according to claim 1, which is characterized in that the curvature of the first surface periphery is greater than institute
State the curvature of second surface periphery.
4. method for producing shell according to any one of claims 1 to 3, which is characterized in that the offer first shell
After the step of matrix, the step of the offer forge die before further comprise the steps of:
To the first shell matrix sampling Detection.
5. method for producing shell according to claim 1, which is characterized in that the first type chamber is in first die joint
Opening periphery be arranged the first flash groove, the second type chamber second die joint opening periphery be arranged the second flash
Slot, second flash groove are opposite with first flash groove.
6. method for producing shell according to claim 5, which is characterized in that first flash groove is in the first type chamber
Opening be arranged the first circular arc chamfering, second flash groove the second type chamber opening be arranged the second circular arc fall
Angle.
7. method for producing shell according to claim 6, which is characterized in that the accommodation space of first flash groove is greater than
The accommodation space of second flash groove.
8. method for producing shell according to claim 4, which is characterized in that the first type chamber has and described first point
First forming surface of type face intersection, first forming surface are equipped with groove, the inner circumferential side of the groove and first molding
Face is connected by the first circular arc camber, and the second shell matrix forms compatible with the groove convex in the first surface
Platform, the circumferential lateral surface of the boss are connected with the first surface by the second circular arc camber, second circular arc camber and institute
It is identical to state the first circular arc camber.
9. method for producing shell according to claim 8, which is characterized in that first circular arc camber at least has two
Different arc radius.
10. method for producing shell according to any one of claims 1 to 3, which is characterized in that remove the flash side
Step includes:
Flash side described in milling, molding connect the faying face of the first surface and second curved surface；
Process the faying face and the first surface and second curved surface joint；
Obtain the third curved surface to connect with the first surface and the second curved surface circular arc.
11. method for producing shell according to claim 10, which is characterized in that process the faying face and first song
In the step of face and the second curved surface joint, the faying face of polishing connects with the first surface and second curved surface
Place.
12. method for producing shell according to claim 11, which is characterized in that process the faying face and first song
In the step of face and the second curved surface joint, polishes the faying face and connect with the first surface and second curved surface
Place.
13. method for producing shell according to any one of claims 1 to 3, which is characterized in that first forging die and institute
It states in the step of the second forging die squeezes the first surface and the second surface respectively, first forging die relatively described second
Forging die carries out repeat impact, and the impact force of the relatively described second forging die impact of first forging die is gradually increased.
14. method for producing shell according to any one of claims 1 to 3, which is characterized in that first forging die and institute
Removal described first is further comprised the steps of: before stating the step of the second forging die squeezes the first surface and the second surface respectively
The burr of housing base.
15. method for producing shell according to any one of claims 1 to 3, which is characterized in that first forging die and institute
It further comprises the steps of: before stating the step of the second forging die squeezes the first surface and the second surface respectively to the first shell
Body substrate preheating.
16. method for producing shell according to any one of claims 1 to 3, which is characterized in that first forging die and institute
It states in the step of the second forging die squeezes the first surface and the second surface respectively, adjusts the first shell matrix in institute
State the position between the first forging die and second forging die.
17. method for producing shell according to any one of claims 1 to 3, which is characterized in that removing the flash side
The step of after further comprise the steps of:
Shell is obtained, the shell is the rear cover of mobile terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927192.4A CN107486523B (en) | 2017-09-30 | 2017-09-30 | A kind of method for producing shell |
| PCT/CN2018/102192 WO2019062410A1 (en) | 2017-09-30 | 2018-08-24 | Shell, electronic device, and shell manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927192.4A CN107486523B (en) | 2017-09-30 | 2017-09-30 | A kind of method for producing shell |
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| Publication Number | Publication Date |
|---|---|
| CN107486523A CN107486523A (en) | 2017-12-19 |
| CN107486523B true CN107486523B (en) | 2019-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710927192.4A Active CN107486523B (en) | 2017-09-30 | 2017-09-30 | A kind of method for producing shell |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107486523B (en) |
| WO (1) | WO2019062410A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486523B (en) * | 2017-09-30 | 2019-08-16 | Oppo广东移动通信有限公司 | A kind of method for producing shell |
| CN110253981A (en) * | 2019-06-28 | 2019-09-20 | Oppo（重庆）智能科技有限公司 | The shell and its manufacturing method of electronic device |
| CN110933880B (en) * | 2019-11-28 | 2021-07-16 | 联想(北京)有限公司 | Cover plate manufacturing method and electronic equipment |
| CN111872687B (en) * | 2020-06-11 | 2021-11-16 | 东莞长盈精密技术有限公司 | Forging and pressing pretreatment method and electronic product shell forming method |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3623035C1 (en) * | 1986-07-09 | 1987-12-03 | Kocher & Beck Gravieranstalt | Method and device for producing a punch having a sharp cutting edge |
| JP2003083334A (en) * | 2001-09-07 | 2003-03-19 | Nsk Ltd | Antifriction bearing |
| CN101219513A (en) * | 2007-01-09 | 2008-07-16 | 鸿富锦精密工业（深圳）有限公司 | Housing and manufacturing method thereof |
| EP2197604B1 (en) * | 2007-09-21 | 2023-07-19 | Stolle Machinery Company, LLC | Shell press, and die assembly and associated method therefor |
| CN201455157U (en) * | 2009-07-17 | 2010-05-12 | 昆山美和机械有限公司 | Prefabricated structure of magnesium alloy enclosure |
| CN102573347A (en) * | 2010-12-20 | 2012-07-11 | 富泰华工业（深圳）有限公司 | Electron device and manufacturing method for casing thereof |
| CN104338879B (en) * | 2013-08-07 | 2016-06-29 | 上海重型机器厂有限公司 | The method for forging and molding of generation Ⅲ nuclear power cooling medium pump pump case |
| CN103846382A (en) * | 2014-03-21 | 2014-06-11 | 亚超特工业有限公司 | Forging mould and metal shell of electronic device |
| CN203737912U (en) * | 2014-03-21 | 2014-07-30 | 亚超特工业有限公司 | Forging die and metal shell of electronic device |
| CN105451475B (en) * | 2014-08-18 | 2019-08-27 | 联想(北京)有限公司 | Electronic equipment and its method for producing shell |
| CN206028618U (en) * | 2016-03-10 | 2017-03-22 | 四川省川铁枕梁构件厂 | Elastic support piece steel mould |
| CN106028724B (en) * | 2016-05-31 | 2019-08-20 | 维沃移动通信有限公司 | A kind of processing method of rear cover, rear cover and electronic equipment |
| CN106734842A (en) * | 2016-12-20 | 2017-05-31 | 宇龙计算机通信科技(深圳)有限公司 | A kind of Mobile equipment shell system of processing |
| CN106862456A (en) * | 2017-02-17 | 2017-06-20 | 苏州鑫捷顺五金机电有限公司 | Aluminum alloy mobile phone shell cold-heading stretch forming process |
| CN106964943A (en) * | 2017-04-18 | 2017-07-21 | 广州三星通信技术研究有限公司 | A kind of metal shell preparation method and metal shell and use its electronic equipment |
| CN107175461A (en) * | 2017-04-27 | 2017-09-19 | 维沃移动通信有限公司 | A kind of processing method of bonnet, bonnet and mobile terminal |
| CN107486523B (en) * | 2017-09-30 | 2019-08-16 | Oppo广东移动通信有限公司 | A kind of method for producing shell |
-
2017
- 2017-09-30 CN CN201710927192.4A patent/CN107486523B/en active Active
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| Publication number | Publication date |
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| CN107486523A (en) | 2017-12-19 |
| WO2019062410A1 (en) | 2019-04-04 |
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