CN206855617U - Cutting dies, mobile terminal diaphragm and mobile terminal - Google Patents
Cutting dies, mobile terminal diaphragm and mobile terminal Download PDFInfo
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- CN206855617U CN206855617U CN201720817855.2U CN201720817855U CN206855617U CN 206855617 U CN206855617 U CN 206855617U CN 201720817855 U CN201720817855 U CN 201720817855U CN 206855617 U CN206855617 U CN 206855617U
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Abstract
The utility model proposes cutting dies, mobile terminal diaphragm and mobile terminal.The cutting dies include：Mold, the lower surface edge of the mold have the first cambered surface；Lower mould, the top surface edge of the lower mould have the second cambered surface that first cambered surface is engaged, and the upper surface of the lower surface of the mold and the lower mould limits the space for accommodating sample to be cut；And cutter, the cutter is arranged on the outer end of first cambered surface and second cambered surface, and the cutter is arranged to move up and down between the mold and the lower mould, and the space for accommodating sample to be cut is non-confined space.The cutting dies, which can easily prepare edge, has the diaphragm of chamfering, so as to alleviate the problem of current diaphragm scrapes hand.
Description
Technical field
Electronic equipment manufacturing field is the utility model is related to, in particular it relates to cutting dies, mobile terminal diaphragm and shifting
Dynamic terminal.
Background technology
The mobile terminals such as current mobile phone, tablet personal computer, in order to improve display effect, Consumer's Experience is lifted, using 2.5D
Or 3D Curved screens.For example, display screen center has planar structure, edge has certain arc.Current mobile phone, flat board on the market
The mobile terminals such as computer have screen protecting film, are lifted for screen protection and feel.With the hair of 2.5D and 3D Curved screens
Exhibition, needing also to roll up for the screen protecting film of 2.5D and 3D Curved screens, its structure is similar to the structure of Curved screen,
I.e. center has planar structure, and edge has certain arc, so as to be more bonded with Curved screen, plays a protective role, and
Lift feel.
However, prepare the mould, mobile terminal diaphragm and mobile terminal of 2.5D and 3D Curved screen diaphragms still at present
Have much room for improvement.
Utility model content
The application is made based on discovery of the inventor to following facts and problem and understanding：
The problem of hand is scraped at edge be present more in the screen protecting film currently used for 2.5D and 3D Curved screens.Inventor is through too deep
Enter research and many experiments find, this mainly due to the thickness of diaphragm it is thicker caused by.In preparation process, protect first
Cuticula is temporarily flattened in blanking die, is then carried out squeezing and is cut into type, section is the side of diaphragm.When diaphragm is thicker
When, the feel of scraping of diaphragm side will be obvious, and especially in two sides intersection, i.e., wedge angle is sharp at flex point,
Scraping hand problem will be more serious.Therefore, although protective effect of the thicker diaphragm to Curved screen is better, what it brought simultaneously
Scrape that hand problem is also more serious, so as to influence the experience of the feel of user, influence product sales volume.
In one side of the present utility model, the utility model proposes a kind of cutting dies.Specifically, the cutting dies
Including：Mold, the lower surface edge of the mold have the first cambered surface；Lower mould, the top surface edge of the lower mould
The upper surface of the second cambered surface being engaged with first cambered surface, the lower surface of the mold and the lower mould limits
Go out the space for accommodating sample to be cut；And cutter, the cutter are arranged on first cambered surface and second cambered surface
Outer end, and the cutter is arranged to move up and down between the mold and the lower mould, the receiving is to be cut
The space for cutting sample is non-confined space.The cutting dies, which can easily prepare edge, has the diaphragm of chamfering, so as to
The problem of current diaphragm scrapes hand can be alleviated.
Specifically, the mold and the lower mould are formed by metal.Thus, advantageously ensure that mold with
And the mechanical strength of lower mould, so as to ensure to be punched effect.
Specifically, the mold and the lower mould are formed by the steel of chromium 12 or SKD11 steel.Thus, it is possible to enter one
The mechanical strength of step enhancing mold and lower mould, ensure punching effect.
Specifically, the edge of the mold has more than 0.2mm clearance position.Thus, it is possible to mold is avoided to rush
Impression is extruded to polymer surfaces during cutting, further improves the performance of the diaphragm finally obtained.
Specifically, between the cutter and the mold between, being respectively provided between the cutter and the lower mould
Gap.Thus, it is possible to improve mold and lower mold use life-span, ensure product yield.
Specifically, the edge of the sample to be cut has upper arc surface and lower arc surface, the arc of first cambered surface
Degree is more than the radian of the upper arc surface, and the radian of second cambered surface is more than the radian of the lower arc surface.Thus, it is possible to make
Diaphragm forms chamfering, and hand problem is scraped so as to improve.
Specifically, the cutting dies further comprise：Heating unit, the heating unit respectively with the mold and
The lower mould is connected.Thus, it is possible to which carrying out forming processes to polymer using the cutting dies obtains kink, equipment is saved
And cost.
In another aspect of the present utility model, the utility model proposes a kind of mobile terminal diaphragm.Specifically, the shifting
Dynamic terminal protection film is prepared using foregoing cutting dies, and the mobile terminal diaphragm includes what polymer was formed
Body and kink, the kink are arranged at least part outward flange of the body, and the kink includes
Upper arc surface, lower arc surface and lateral wall, the upper arc surface are connected with the upper surface of the body, the lower arc surface
It is connected with the lower surface of the body, the lateral wall and the outer end of the upper arc surface and the outer end of the lower arc surface
It is connected, and there is chamfering between the lateral wall and the upper arc surface.Thus, it is possible to avoid the occurrence of edge it is blocked up and caused by
Hand problem is scraped, and the stress at edge can be alleviated, prevents that diaphragm is peeling-off in use.
Specifically, the angle between the chamfering and the side wall is 10~45 degree.Thus, it is possible to realize the flat of diaphragm
Slip over and cross, improve edge and scrape hand problem.
Specifically, the height of the side wall is not higher than 0.1mm.Thus, it is possible to further improving edge scrapes hand problem.
Specifically, at least one perforate is provided with the body.Thus, it is possible to make diaphragm and mobile terminal more
Matching.
In another aspect of the present utility model, the utility model proposes a kind of mobile terminal.Specifically, the mobile terminal
Including：Housing, mainboard and memory are provided with the housing；Screen, the screen be arranged on the top of the housing and
It is connected with the mainboard, the edge of the screen has cambered surface；Foregoing mobile terminal diaphragm, the mobile terminal are protected
Cuticula covers the outer surface of the screen.Thus, it is possible to lift the use feel of the mobile terminal.
Brief description of the drawings
Fig. 1 shows the schematic cross-section of the cutting dies according to the utility model one embodiment；
Fig. 2 shows the schematic cross-section of the cutting dies according to the utility model another embodiment；
Fig. 3 shows the structural representation of the mobile terminal diaphragm according to the utility model one embodiment；
Fig. 4 shows the structural representation of the mobile terminal diaphragm according to the utility model another embodiment；
Fig. 5 shows the schematic cross-section of the mobile terminal diaphragm in the B-B ' directions along Fig. 4；
Fig. 6 shows the schematic cross-section of the mobile terminal diaphragm in the C-C ' directions along Fig. 4；
Fig. 7 shows the part-structure schematic diagram of the mobile terminal diaphragm of a-quadrant in Fig. 3；
Fig. 8 shows the structural representation of prior art mobile terminal diaphragm；
Fig. 9 is shown prepares mobile terminal protection film method according to the utility model one embodiment using cutting dies
Schematic flow sheet；
Figure 10 is shown to be shown according to the structure of the mould for preparing mobile terminal diaphragm of the utility model one embodiment
It is intended to；
Figure 11 is shown to be shown according to the section of the mould for preparing mobile terminal diaphragm of the utility model one embodiment
It is intended to；And
Figure 12 shows the section of the mould for preparing mobile terminal diaphragm according to the utility model another embodiment
Schematic diagram.
Reference：
100：Mobile terminal diaphragm；110：Body；120：Upper arc surface；130：Lower arc surface；140：Chamfering；150：
Lateral wall；160：The prefabricated material of diaphragm；210：Cavity plate；220：Punch-pin；10：Imitation-shaped groove；21：Cavity plate imitation profile；22：Punch-pin profiling
Face；310：Mold；320：Lower mould；330：Cutter；31：Upper mould imitation profile；32：Lower mould imitation profile.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In one side of the present utility model, the utility model proposes a kind of cutting dies.According to of the present utility model
Embodiment, with reference to figure 1 and Fig. 2, the cutting dies include：Mold 310, lower mould 320 and cutter 330.Wherein, upper mould
The lower surface edge of tool 310 has the first cambered surface (i.e. upper mould imitation profile 31), and the top surface edge of lower mould 320 has the first arc
The second cambered surface (descending mould imitation profile 32) that face is engaged, and the lower surface of mold 310 and the upper surface of lower mould 320
The space (position corresponding to the prefabricated material 160 of diaphragm as shown in Figure 1) for accommodating sample to be cut is limited, cutter 330 is set
Put the outer end in the first cambered surface and the second cambered surface, and cutter 330 be arranged to can mold 310 and lower mould 320 it
Between move up and down.Can easily prepare edge using the cutting dies has the diaphragm of chamfering, so as to alleviate mesh
The problem of preceding diaphragm scrapes hand.
In order to facilitate understanding, the cutting dies can be prepared improves the mobile terminal diaphragm for scraping hand problem first
Principle is briefly described：
As it was previously stated, 2.5D and 3D Curved screens are protected using the diaphragm with arcwall face in the prior art, in order to
Strengthen the protective effect to Curved screen, it will usually thicken diaphragm.With the increase of protection film thickness, hand is scraped at diaphragm edge
Problem also can be more and more obvious.Thickness increase simultaneously, the problem of stress concentration in diaphragm arcwall face knee also can be more prominent.Tool
Body, with reference to figure 8, mobile terminal diaphragm 100 is by body 110 and upper arc surface 120, the lower arc surface of its edge
130 are formed.In upper arc surface 120 and the intersection of lateral wall 150, i.e., the wedge angle at flex point is sharp, so that scraping hand problem
It is more serious.And the upper mould of traditional cutting dies and the edge of lower mould are plane, therefore, the prefabricated material of diaphragm, which is put into, to be cut
After cutting in mould, the lower arc surface of the prefabricated material of diaphragm can be parallel to horizontal plane, and after it is punched by cutter, its edge is
Vertically and perpendicular to the lateral wall of lower arc surface, and the chamfering of transition will not be formed.Also, shifting prepared by cutting dies
Dynamic terminal protection film, is the diaphragm of 2.5D screens, i.e. the edge of diaphragm have globoidal structure (upper arc surface 120 and under
Arcwall face 130), and the radian of globoidal structure is smaller, therefore, lateral incision or rotary-cut scheme using routine can not be in upper arc surfaces
Edge prepare chamfering.According to embodiment of the present utility model, using with cambered surface cutting dies (mold 310 and under
Mould 320) the prefabricated material of diaphragm 160 is punched out, and the elastic recoil performance based on polymeric material itself, can be easy
Ground forms the chamfering of transition.So as to the diaphragm seamlessly transitted using simple technique acquisition side, improve diaphragm side
Hand problem is scraped on edge, and then lifts the feel of diaphragm.
Below according to specific embodiment of the utility model, each structure of the cutting dies is described in detail：
Specific material on mold and lower mould is not particularly limited, and those skilled in the art can be according to specific
Situation is designed.For example, according to embodiment of the present utility model, mold 310 and lower mould 320 can be formed for metal
's.According to specific embodiment of the utility model, mold 310 and lower mould 320 are formed by the steel of chromium 12 or SKD11 steel
's.Thus, the mechanical strength of mold and lower mould is advantageously ensured that, so as to ensure to be punched effect.In addition, in order to avoid
In blanking process, mold 310 extrudes impression on the prefabricated surface of material 160 of diaphragm that polymer is formed, therefore, can be in upper mould
Reserve certain clearance position in the edge of tool 310., can be at the edge of mold 310 according to specific embodiment of the utility model
Reserved more than 0.2mm clearance position.Thus, it is possible to further improve the performance of the diaphragm finally obtained.Inventor is through excessive
Experimental verification is measured, one less gap is set in the unilateral edge of a knife of mold 310 and lower mould 320, as between 0.003mm
Gap, can improve the service life of the mold 310 and lower mould 320, and avoid due to mold 310 and lower mould
Position between 320 too closely, and impacts punching effect, and then can ensure product yield.
As it was previously stated, the edge of diaphragm has upper arc surface 120 and lower arc surface 130, it is real according to the utility model
Applying the cutting dies of example has upper mould imitation profile 31 and lower mould imitation profile 32.According to specific embodiment of the utility model, on
The radian of mould imitation profile 31 is more than the radian of diaphragm upper arc surface 120, and the radian of lower mould arcwall face 32 is more than diaphragm
The radian of lower arc surface 130, thus, it is possible to form chamfering after the prefabricated material 160 of diaphragm is punched, scrape hand so as to improve and ask
Topic.In addition, compared with the cutting dies of plane is in edge, the cutting dies with arc imitation profile can also make the side of diaphragm
Edge more matches with diaphragm, so as to avoid the prefabricated material of diaphragm from being deformed during punching is handled.
Radian on upper mould imitation profile, lower mould imitation profile is not particularly limited, as long as can be with the diaphragm of preparation
The radian of upper arc surface and lower arc surface matches, and those skilled in the art can be designed as the case may be.
For example, according to embodiment of the present utility model, it is equal with the radian of lower mould imitation profile to can be designed as the radian of mould imitation profile,
Thus, it is possible to obtain with chamfering and the more uniform diaphragm of curved surface knee thickness.Or it is also designed to imitation
The radian of the radian in shape face and lower mould imitation profile is unequal, thus, it is possible to obtain with chamfering and curved surface knee thickness it is bigger
Diaphragm.
According to embodiment of the present utility model, the cutting dies may further include：Heating unit, the heating unit point
Be not connected (not shown) with mold 310 and lower mould 320.It can be realized using the cutting dies with heating unit
To the forming processes of polymeric material, so as to save the die apparatus that forming processes are carried out to polymer, so as to further
Reduce production cost.In other words, hot-forming and chamfering preparation easily can be realized using same mold, finally
Using the elastic recoil performance of polymeric material, the diaphragm with default cambered surface and chamfer angle is obtained.
In order to facilitate understanding, below to preparing mobile terminal protection using according to the cutting dies of the utility model embodiment
The method of film, is simply introduced：According to embodiment of the present utility model, with reference to figure 9, this method includes：
S100：The prefabricated material of diaphragm is provided, the edge of the prefabricated material of diaphragm has kink.
According to embodiment of the present utility model, in this step, there is provided the prefabricated material of diaphragm, the edge of the prefabricated material of diaphragm
With kink.According to embodiment of the present utility model, the edge of the prefabricated material of the diaphragm has kink, and kink includes upper
Arcwall face, lower arc surface and lateral wall, upper arc surface are connected with the upper surface of body, the following table of lower arc surface and body
Face is connected.According to embodiment of the present utility model, it can provide diaphragm prefabricated material by following steps：Utilize mould
Forming processes are carried out to polymer, to form kink.According to embodiment of the present utility model, forming processes can include layer
At least one of pressure processing and thermoplastic processing.It should be noted that carrying out forming processes to polymer should be interpreted broadly, root
According to embodiment of the present utility model, with reference to figure 11, forming processes can be the thin polymer film of thermoplastic shaping is carried out into
Type processing, to form kink.Or forming processes can also directly carry out thermoplastic processing to polymer, be compressed into
While film, kink is formed.When carrying out forming processes to thin polymer film, thin polymer film can have larger face
Product, forming processes are carried out to the thin polymer film using cavity plate 210 and punch-pin 220, can be on the thin polymer film of plane
Form kink.Because thin polymer film has larger area, therefore multiple companies can be formed on a thin polymer film
The prefabricated material of diaphragm being connected together.Thus, it is possible to further improve production efficiency.
Specifically, with reference to figure 10 and Figure 11, polymer is placed in the imitation-shaped groove 10 of cavity plate 210 first, then will be convex
Mould 220 and cavity plate 210 carry out hot pressing matched moulds, to make the forming polymer in imitation-shaped groove 10, so as to prepare diaphragm
Prefabricated material 160.It should be noted that with reference to figure 12, the edge of the imitation-shaped groove 10 in cavity plate 210 has cavity plate imitation profile 21, convex
The edge of mould 220 has punch-pin imitation profile 22, during hot pressing matched moulds, to form upper arc surface and lower arc surface.
Thus, it is possible to obtain the prefabricated material of diaphragm with upper arc surface and lower arc surface using simple production technology.This area
Technical staff, it is understood that due to the rebound characteristics of polymer, when polymer by it is hot-forming after can produce resilience, because
Crooked radian in the crooked radian and forming process of this actual diaphragm prepared can be inconsistent.Therefore, designing
, it is necessary to which the radian of cavity plate and punch-pin imitation profile to be set greater than to the radian of diaphragm arcwall face in journey, so that finally
The crooked radian that the degree of crook of the diaphragm of acquisition obtains for needs.On cavity plate imitation profile, punch-pin imitation profile radian not
It is particularly limited, as long as can match with the upper arc surface of the diaphragm of preparation and the radian of lower arc surface, ability
Field technique personnel can be designed as the case may be.For example, according to embodiment of the present utility model, cavity plate can be designed as
The radian of imitation profile is equal with the radian of punch-pin imitation profile, is more uniformly protected thus, it is possible to obtain curved surface knee thickness
The prefabricated material of film.Or be also designed to the radian and punch-pin imitation profile of cavity plate imitation profile radian it is unequal, thus, it is possible to
Obtain the bigger prefabricated material of diaphragm of curved surface knee thickness.
According to other embodiments of the present utility model, it can also provide diaphragm prefabricated material by following steps：Will
Polymer is placed in the space that mold and lower mould limit, and using heating unit to mold and lower mould
Heated, so that polymer forms the prefabricated material of diaphragm.It should be noted that need the upper imitation shape of cutting dies
The radian of face and lower mould imitation profile is arranged to equal with the radian of the cavity plate imitation profile of mould and punch-pin imitation profile.From
And mould can be saved, save cost.
According to embodiment of the present utility model, polymer recited above can be PET, PMMA, PC, PVC or optical cement.
Thus, it is possible to prepare diaphragm using above-mentioned common used material, cost is saved.
S200：The prefabricated material of diaphragm is placed in the space that mold and lower mould limit, and utilizes cutter
Carry out machining.
According to embodiment of the present utility model, in this step, the prefabricated material of diaphragm is placed in mold and lower mould
In the space limited, and machining is carried out using cutter.According to specific embodiment of the utility model, with reference to figure 1,
The prefabricated material 160 of diaphragm is fixed between mold 310 and lower mould 320 first, then along mold 310 and under
The edge (arrow direction in figure) of mould 320, place is punched out to the edge of the prefabricated material of diaphragm 160 using cutter 330
Reason.Due to according to the diaphragm of the utility model embodiment being formed by polymer, therefore, after punching processing, punching
A certain degree of elastic recoil can occur for the edge of processing.Thus, it is possible to easily set at the edge of the prefabricated material 160 of diaphragm
Chamfering, to obtain diaphragm.It should be noted that the radian of the upper mould imitation profile 31 of cutting dies is prefabricated with preparing diaphragm
The radian of the cavity plate imitation profile of material is equal, and lower mould imitation profile 32 is equal with the radian of punch-pin imitation profile, thereby may be ensured that
It is molded the stability of radian.According to other embodiments of the present utility model, using the cutting dies with heating unit to poly-
After compound carries out forming processes, processing directly is punched out to the prefabricated material of the diaphragm of shaping using the cutting dies, so as to
Obtain diaphragm.Thus, it is possible to simplify production technology, production cost is reduced.
It should be noted that mobile terminal diaphragm is that mobile terminal is protected, because mobile terminal upper surface is set
Camera and receiver are equipped with, therefore mobile terminal diaphragm should be provided with perforate in the position of corresponding camera and receiver,
So as to ensure the performance of mobile terminal.Therefore, by above-mentioned steps formed with chamfering mobile terminal diaphragm it
Afterwards, it is also necessary to punching processing is carried out to the diaphragm, to form corresponding with camera on mobile terminal and receiver open
Hole.
In another aspect of the present utility model, the utility model proposes a kind of mobile terminal diaphragm.According to this practicality
New embodiment, the mobile terminal diaphragm are prepared by foregoing cutting dies.According to reality of the present utility model
Example is applied, with reference to figure 3, the mobile terminal diaphragm 100 includes：Body 110 and be arranged on body at least a portion outside
Kink on edge.Kink includes upper arc surface 120, lower arc surface 130 and lateral wall 150, upper arc surface 120 and body
The upper surface in portion 110 is connected, and lower arc surface 130 is connected with the lower surface of body 110, lateral wall 150 and upper arc surface 120
Outer end and the outer end of lower arc surface 130 are connected.Wherein, it is provided with down between upper arc surface 120 and the lateral wall 150 of body
Angle 140.Use range on the mobile terminal diaphragm is not particularly limited, and those skilled in the art can be according to specific feelings
Condition is carried out using design.For example, the mobile terminal can be mobile phone, tablet personal computer and intelligent watch etc..Thus, it is possible to improve
Caused by hand and diaphragm bending are scraped in diaphragm edge the problems such as stress concentration, while diaphragm can be ensured to Curved screen
Protecting effect, lift the use feel of mobile terminal.
According to embodiment of the present utility model, with reference to 4~Fig. 6 of figure, body 110 can include quadrangle body, and should
Symmetrical two edges of quadrangle body have upper arc surface 120 and lower arc surface 130.In other words, body 110 can be with
It is rectangle or square.Specifically, with reference to figure 5, along the width of quadrangle body (such as rectangle), can have upper
Arcwall face 120A, 120B and lower arc surface 130A, 130B.Or with reference to figure 6, can be with along the length direction of quadrangle body
With upper arc surface 120C, 120D and lower arc surface 130C, 130D.According to specific embodiment of the utility model, body
110 can be rectangle, and rectangular 4 edges are respectively provided with kink (including upper arc surface 120 and lower arc surface
130).In other words, can the width and length direction of rectangular body be provided with upper arc surface 120 and under
Arcwall face 130.Specifically, with reference to figure 5 and Fig. 6, along the width of rectangular body, can have upper arc surface 120A,
120B and lower arc surface 130A, 130B；Along the length direction of rectangular body, can have upper arc surface 120C, 120D with
And lower arc surface 130C, 130D.Thus, it is possible to which hand problem is scraped at comprehensive improvement diaphragm edge, feel is lifted.
On the upper arc surface 120 on 110 symmetrical two edges of body and the radian of lower arc surface 130 not by spy
Do not limit, those skilled in the art can be designed as the case may be.For example, according to embodiment of the present utility model, can
It is equal to be designed as the radian of upper arc surface 120A, 120B (or 120C, 120D), lower arc surface 130A, 130B (or
130C, 130D) radian it is equal, and the radian of upper arc surface 120 is equal with the radian of lower arc surface 130, thus, it is possible to obtain
The more homogeneous diaphragm of curved surface knee thickness.Or be also designed to upper arc surface 120A, 120B (or 120C,
Radian 120D) is equal, and the radian of lower arc surface 130A, 130B (or 130C, 130D) is equal, but the arc of upper arc surface 120
Degree is unequal with the radian of lower arc surface 130, thus, it is possible to obtain the bigger diaphragm of curved surface knee thickness.
According to embodiment of the present utility model, with reference to figure 7, in order to realize upper arc surface seamlessly transitting to lateral wall,
Chamfering is set between upper arc surface 120 and lateral wall 150, hand problem is scraped so as to improve edge.According to implementation of the present utility model
Example, (angle of angle a) as shown in the figures is smaller, i.e. the diaphragm at the supplementary angle of angle between chamfering 140 and lateral wall 150
100 edge has more gentle incline, then improve edge scrape hand effect it is better.Also, also can preferably alleviate by
In the turning and excessive edge stress the problem of, so as to prevent that mobile terminal diaphragm 100 is peeling-off in the position.Example
Such as, according to specific embodiment of the utility model, the supplementary angle a of angle can be 10~45 between chamfering 140 and lateral wall 150
Degree.Thus, it is possible to realize seamlessly transitting for diaphragm, improve edge and scrape hand problem.According to more of the present utility model preferred real
Example is applied, the supplementary angle a of angle can be 20~40 degree between chamfering 140 and lateral wall 150.In other words, chamfering and lateral wall it
Between angle can be 135-170 degree, for example, can be 140-160 degree.According to specific embodiment of the utility model, outside
The height (D as shown in the figures) of wall 150 can be not higher than 0.15mm.Inventor is by further investigation and many experiments hair
Existing, when the edge lateral wall 150 of mobile terminal diaphragm 100 is too high, user is susceptible to more obvious in use
Scrape feel.Therefore, when the height of lateral wall 150 is less than 0.15mm, specifically, the height of lateral wall 150 is 0.05~0.1mm
When, it can further lift the level of comfort of the diaphragm when in use.It should be noted that the height of lateral wall 150, with falling
(angle a) is relevant at the supplementary angle of the length at angle 140 and lateral wall 150 and the angle of chamfering 140.In other words, at the angle of chamfering 140
Spend it is constant on the premise of, the length of chamfering 140 is longer, then the height of the lateral wall 150 ultimately formed is smaller；In chamfering 140
On the premise of length is constant, the angle at a angles is bigger, and the height of the lateral wall 150 ultimately formed is higher.According to the utility model one
Preferred embodiment, a angles can be between 20-40 degree, and the height of lateral wall 150 is less than 0.1mm, for example, for 0.05~
0.1mm。
In addition, it will be appreciated to those of skill in the art that mobile terminal diaphragm is that mobile terminal is protected, by
Mobile terminal upper surface is provided with camera and receiver, therefore mobile terminal diaphragm is in corresponding camera and receiver
Position should be provided with perforate, so as to ensure the performance of mobile terminal.
In another aspect of the present utility model, the utility model proposes a kind of mobile terminal.According to of the present utility model
Embodiment, the mobile terminal include：Housing, screen and foregoing diaphragm.It should be noted that the mobile terminal
Type is not particularly limited, for example, can be mobile phone, tablet personal computer etc..Mainboard and memory are provided with housing, so as to reality
The now performance of the mobile terminal.Screen is arranged on the top of housing and is connected with mainboard, and the edge of screen has cambered surface.
The outer surface of diaphragm cover screen, to provide protection for screen.Thus, the mobile terminal has previously described diaphragm
Whole features and advantage, will not be repeated here.Generally speaking, the use feel of the mobile terminal can be lifted, is alleviated bent
The problem of face screen protecting film edge is easily peelable.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Claims (12)
- A kind of 1. cutting dies, it is characterised in that including：Mold, the lower surface edge of the mold have the first cambered surface；Lower mould, the top surface edge of the lower mould have the second cambered surface that first cambered surface is engaged, the mold Lower surface and the upper surface of the lower mould limit the space for accommodating sample to be cut；AndCutter, the cutter is arranged on the outer end of first cambered surface and second cambered surface, and the cutter is arranged to It can be moved up and down between the mold and the lower mould,The space for accommodating sample to be cut is non-confined space.
- 2. cutting dies according to claim 1, it is characterised in that the mold and the lower mould are by metal Formed.
- 3. cutting dies according to claim 2, it is characterised in that the mold and the lower mould are by the steel of chromium 12 Or SKD11 steel are formed.
- 4. cutting dies according to claim 1, it is characterised in that the edge of the mold has more than 0.2mm's Clearance position.
- 5. cutting dies according to claim 1, it is characterised in that between the cutter and the mold, described Gap is respectively provided between cutter and the lower mould.
- 6. cutting dies according to claim 1, it is characterised in that the edge of the sample to be cut has upper arc surface And lower arc surface,The radian of first cambered surface is more than the radian of the upper arc surface, and the radian of second cambered surface is more than the arc lower The radian in face.
- 7. cutting dies according to claim 1, it is characterised in that further comprise：Heating unit, the heating unit are connected with the mold and the lower mould respectively.
- 8. a kind of mobile terminal diaphragm, it is characterised in that the mobile terminal diaphragm utilizes any one of claim 1-7 institute Prepared by the cutting dies stated,The mobile terminal diaphragm includes the body and kink that polymer is formed, and the kink is arranged on described On at least part outward flange in body portion, the kink includes upper arc surface, lower arc surface and lateral wall, the upper arc surface It is connected with the upper surface of the body, the lower arc surface is connected with the lower surface of the body, the lateral wall and institute State the outer end of upper arc surface and the outer end of the lower arc surface to be connected, and have between the lateral wall and the upper arc surface Chamfering.
- 9. mobile terminal diaphragm according to claim 8, it is characterised in that the folder between the chamfering and the side wall Angle is 10~45 degree.
- 10. mobile terminal diaphragm according to claim 8, it is characterised in that the height of the side wall is not higher than 0.1mm。
- 11. mobile terminal diaphragm according to claim 8, it is characterised in that at least one is provided with the body Individual perforate.
- A kind of 12. mobile terminal, it is characterised in that including：Housing, mainboard and memory are provided with the housing；Screen, the screen are arranged on the top of the housing and are connected with the mainboard, and the edge of the screen has cambered surface；Mobile terminal diaphragm described in claim any one of 8-11, the mobile terminal diaphragm cover the outer of the screen Surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817855.2U CN206855617U (en) | 2017-07-06 | 2017-07-06 | Cutting dies, mobile terminal diaphragm and mobile terminal |
| PCT/CN2018/094420 WO2019007350A1 (en) | 2017-07-06 | 2018-07-04 | Cutting die, protective film for electronic device and preparation method therefor, and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720817855.2U CN206855617U (en) | 2017-07-06 | 2017-07-06 | Cutting dies, mobile terminal diaphragm and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206855617U true CN206855617U (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720817855.2U Expired - Fee Related CN206855617U (en) | 2017-07-06 | 2017-07-06 | Cutting dies, mobile terminal diaphragm and mobile terminal |
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| Country | Link |
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| CN (1) | CN206855617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108406940A (en) * | 2018-02-07 | 2018-08-17 | 广东欧珀移动通信有限公司 | Die cutting die and die cutting device |
| WO2019007350A1 (en) * | 2017-07-06 | 2019-01-10 | Oppo广东移动通信有限公司 | Cutting die, protective film for electronic device and preparation method therefor, and electronic device |
| CN110603132A (en) * | 2018-04-10 | 2019-12-20 | 科思斯格特电子有限公司 | Method for manufacturing curved surface protective film |
-
2017
- 2017-07-06 CN CN201720817855.2U patent/CN206855617U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019007350A1 (en) * | 2017-07-06 | 2019-01-10 | Oppo广东移动通信有限公司 | Cutting die, protective film for electronic device and preparation method therefor, and electronic device |
| CN108406940A (en) * | 2018-02-07 | 2018-08-17 | 广东欧珀移动通信有限公司 | Die cutting die and die cutting device |
| CN110603132A (en) * | 2018-04-10 | 2019-12-20 | 科思斯格特电子有限公司 | Method for manufacturing curved surface protective film |
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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 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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