CN104924625A - Molding process of terminal front cover - Google Patents
Molding process of terminal front cover Download PDFInfo
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- CN104924625A CN104924625A CN201510189567.2A CN201510189567A CN104924625A CN 104924625 A CN104924625 A CN 104924625A CN 201510189567 A CN201510189567 A CN 201510189567A CN 104924625 A CN104924625 A CN 104924625A
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- glass plate
- frame
- display
- terminal protecgulum
- moulding process
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Abstract
The invention relates to a molding process of a terminal front cover. The molding process comprises the steps of: providing a display screen, wherein the display screen has a display surface, and a display area and a non-display area are arranged on the display surface; providing a unprocessed glass plate, and processing the peripheral edge of the glass plate to obtain a glass plate with a preset shape, wherein the glass plate has a lower surface at least covering the display area; putting the glass plate into a frame molding cavity to obtain an injection cavity with a frame shape; injecting a liquid-state frame raw material into the frame cavity, and obtaining a frame integrated with the peripheral side of the glass plate after the liquid-state raw material is cooled to a solid, wherein the inner side of the frame has a frame flange; fixing the glass plate and the frame jointly on the display surface, and arranging the frame flange to correspondingly shield the non-display area, wherein the lower surface at least covers the display area; and bonding functional films on the outer surfaces of the frame and the glass plate jointly to obtain the terminal front cover.
Description
Technical field
The present invention relates to terminal forming field, particularly relate to a kind of moulding process of terminal protecgulum.
Background technology
The display screen front of conventional mobile phone is generally all divided into the appearance of shell frame and the appearance of glass plate, the appearance of shell frame is around the appearance periphery of glass plate, the appearance of glass plate is generally all divided into ink area and viewing area two parts, ink area is coated with ink layer at the medial surface periphery of glass plate and is formed, ink layer is used for covering the region that cannot show image at display screen edge, viewing area is then the region that glass plate effectively can demonstrate display image, the appearance of usual shell frame, ink area and viewing area present different black under mobile phone screen powering-off state, easily cause level many, vision is complicated, wordy, affect visual effect, do not meet ergonomics.
Summary of the invention
In view of this, embodiments of the invention provide a kind of moulding process of terminal protecgulum, to improve terminal protecgulum, and there is the presentation quality of terminal of this terminal protecgulum, and the apparent visual effect level solving terminal protecgulum complicated, do not meet the problems such as ergonomics.
First aspect, provides a kind of moulding process of terminal protecgulum, and the moulding process of described terminal protecgulum comprises step:
There is provided a display screen, described display screen has a display surface, described display surface is provided with viewing area and non-display area, and described non-display area is around described viewing area;
There is provided a unprocessed glass plate sections, process the periphery of described glass plate sections, obtain the glass plate of preset shape, described glass plate has the lower surface at least covering described viewing area;
Described glass plate is put into frame shaping mold cavity, obtains the injection cavity of frame shape;
Heating frame raw material, make the melting of frame raw material be in a liquid state;
Be injected in described frame chamber by the frame raw material of described liquid state, treat that described liquid starting material is cooled to solid, obtain one in the frame of side of described glass plate week, described scuncheon has frame flange;
Described glass plate and described frame is jointly fixing with on described display surface, and described frame flange correspondence is set covers described non-display area, described lower surface at least covers described viewing area;
The outer surface of described frame and glass plate is sticked jointly functional membrane, obtains terminal protecgulum.
In conjunction with first aspect, in the first possible implementation of first aspect, in the step providing a unprocessed glass plate sections, the lower surface of described glass plate is suitable with described viewing area.
In conjunction with the first possible implementation of first aspect, in the implementation that the second of first aspect is possible, in the step providing a unprocessed glass plate sections, described glass plate has the upper surface that a relatively described lower surface is arranged, and described upper surface is corresponding with described lower surface.
In conjunction with second of first aspect the possible implementation, in the third possible implementation of first aspect, the frame raw material of described liquid state are injected in the step in described frame chamber, described frame flange has and mutually concordant with described lower surface covers face, and has the upper surface mutually concordant with described upper surface.
In conjunction with first aspect, in the 4th kind of possible implementation of first aspect, in the step providing a unprocessed glass plate sections glass plate, the lower surface of described glass plate at least covers described display surface.
In conjunction with the 5th kind of possible implementation of first aspect, in the step providing a unprocessed glass plate sections, described glass plate has the upper surface that a relatively described lower surface is arranged, and described upper surface is suitable with described viewing area.
In conjunction with the first of first aspect or first aspect to any one the possible implementation in the 5th kind of possible implementation, in the 6th kind of possible implementation of first aspect, described glass plate and described frame are being fixed with the step on described display surface jointly, described display surface is coated with optical cement layer, described frame and described glass plate are pasted in described optical cement layer jointly.
In conjunction with the first of first aspect or first aspect to any one the possible implementation in the 5th kind of possible implementation, in the 7th kind of possible implementation of first aspect, in the step providing a display screen, described display screen is touching display screen.
In conjunction with the first of first aspect or first aspect to any one the possible implementation in the 5th kind of possible implementation, in the 8th kind of possible implementation of first aspect, the moulding process of described terminal protecgulum also comprises step: be coated with viscose glue in all sides of described glass plate.
In conjunction with the 8th kind of possible implementation of first aspect, in the 9th kind of possible implementation of first aspect, be coated with in the step of viscose glue in all sides of described glass plate, first use the upper surface of glass plate described in plastic film covering, and cover contiguous described upper surface place, all sides, then carry out a glue with all sides of adhesive dispensing device to described glass plate, the relatively described lower surface of described upper surface is arranged.
The moulding process of terminal protecgulum of the present invention, by glass plate being placed in frame shaping mold cavity, through injection moulding, and then make the appearance of frame and the appearance of glass plate form a smooth surface, and there is no gap between glass plate and frame, and utilization molds frame flange in the inner side of described frame, described frame flange correspondence is utilized to cover described non-display area, thus the inside edge being omitted in described glass plate is coated with ink layer, namely the outward appearance of described terminal protecgulum is made only can to see the viewing area of shell frame and display screen, decrease the visual hierarchy of terminal protecgulum, realize the frame of terminal protecgulum without black ink edge, increase the diversified ergonomics requirement of terminal protecgulum.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the moulding process of terminal protecgulum provided by the invention;
Fig. 2 is the schematic diagram of the terminal protecgulum in the first embodiment provided by the invention;
Fig. 3 is the schematic diagram of the terminal protecgulum in the second embodiment provided by the invention;
Fig. 4 is the schematic diagram of the terminal protecgulum in the 3rd embodiment provided by the invention;
Fig. 5 is the schematic diagram of the terminal protecgulum in the 4th embodiment provided by the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.Obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of protection of the invention.
See also Fig. 1, the moulding process of a kind of terminal protecgulum that embodiment of the present invention provides.The method comprises the following steps:
Step 101: provide a display screen, display screen has a display surface, and display surface is provided with viewing area and non-display area, non-display area is around viewing area.
In present embodiment, as shown in Figure 4, display screen 10 can be LCD (Liquid Crystal Display, liquid crystal flat panel display) liquid crystal display, also can be LCM (LCD Module, liquid crystal display module) assembly.Display screen 10 especially can be the touch screen of extensive use, such as display screen 10 can be the in-cell touch screen that touch control layer is embedded in liquid crystal pixel, also can be the on-cell touch screen that touch control layer is arranged on liquid crystal pixel, can also be the full sticking touch control screen that touch control layer fits in cover plate entirely.Display screen 10 can be adopt technique laminated into type to obtain.Display screen 10 has a display surface 10a, and display surface 10a has in viewing area 11 and non-display area 12, Fig. 2, and gray area is viewing area 11, and black region is non-display area 12.After being energized to display screen 10, display surface 10a is for showing image light.Viewing area 11 is the region that display screen 10 effectively can demonstrate image information, and non-display area 12 is the region that display screen 10 can not demonstrate image information, and usual non-display area 12 is used as circuit and connects, or arranges backlight etc.Display screen 10 is under powering-off state, and viewing area 11 presents black.
Step 102: provide a unprocessed glass plate sections, the periphery of processed glass plate, obtain the glass plate of preset shape, glass plate has the lower surface at least covering viewing area.
In present embodiment, unprocessed glass plate sections can be obtained by pressure roller moulding process, also can be obtained by cutting technique, can also be to prolong compression technology acquisition by building.The light transmittance of unprocessed glass plate sections need reach more than 90%, thus makes the display effect of terminal protecgulum good; The flatness of unprocessed glass plate sections is at 0.005mm ~ 0.01mm, and concrete preferred 0.005mm, thus make the appearance surfaces of terminal protecgulum level and smooth, outward appearance is good.In other embodiments, the flatness of unprocessed glass plate sections can also be 0.008.
In present embodiment, utilize high-precise numerically controlled milling machine to adopt diamond milling cutter to carry out milling to glass plate sections, and the end face of diamond milling cutter can be sphere, also can be plane, can also be the conical surface.To facilitate the peripheral milling of CNC milling machine to glass plate sections to cut out arc surface or plane, or the conical surface.Man-hour is being added to glass plate sections, is needing to select minimum process error to be the CNC milling machine of 0.002mm, and in advance the machined parameters of CNC milling machine is set, and in advance milling cutter machining path is set.
In present embodiment, CNC milling machine arranges multiple working procedure milling glass plate, and given every procedure is to the processing dimension of glass plate sections; Divide again multiple loop cycle to process in every procedure, set the feeding size in each cycle, thus realize the processing dimension in every procedure.Concrete processing dimension and feeding Size calculation, actual in following formula:
N=L/1, wherein N is the periodicity in every procedure, and L is processing dimension, and 1 is feeding size.Such as: in a procedure, unprocessed glass plate sections width dimensions is 80.105mm, and the glass plate sections width dimensions after processing is 80.005mm, then L=0.1mm, setting 1=0.01, then N=10.Namely in a procedure, all fate 10 cycles of CNC milling machine to glass plate sections carry out milling, and then the processing dimension realized in a procedure is 0.1mm.
In present embodiment, mismachining tolerance and the feeding size of multiple working procedure are successively decreased successively.Such as: the processing dimension in first operation is 5mm, then can set feeding and be of a size of 0.5, periodicity is 10 times, and controlled working error is 0.1; Processing dimension 1mm in second operation work, then can set feeding and be of a size of 0.1, cycle times is 10 times, and controlled working error is 0.5; Processing dimension in three process is 0.1mm, then can set feeding and be of a size of 0.05, and cycle times is 20 times, and controlled working error is 0.01mm.By the processing of multiple working procedure, and the error controlling multiple working procedure is successively decreased, and the processing dimension realizing glass plate is accurate, to reduce the fit tolerance of glass sheet perimeter and frame die cavity, thus prevents the Forming Quality providing frame, improves the presentation quality of terminal protecgulum.In other embodiments, can also be the CNC milling machine according to different model, set different machined parameters.
In present embodiment, last procedure mismachining tolerance in multiple working procedure is no more than 0.003mm.In last procedure in multiple working procedure, setting feeding is of a size of 0.01mm, mismachining tolerance is 0.002mm, thus make the size of glass plate and target size worst error be no more than 0.002mm, the scale error simultaneously controlling frame shaping mold cavity is no more than 0.003, and then the fit clearance of glass plate and frame shaping mold cavity is no more than 0.005mm, when making frame shaping, the defect of excessive glue can not be formed, or form the defect that glass plate pressure is collapsed, thus improve the combination of glass plate and frame, improve the presentation quality of terminal protecgulum.
In present embodiment, the milling cutter machining path in multiple working procedure can be different, and in the operation started, can be the outline coarse milling along glass plate, cutter speed can set fast; In operation at the end of, can be cut along the curved surface finish-milling of glass sheet perimeter, cutter speed can set at a slow speed, thus obtains the glass plate of good quality.
In present embodiment, the machining path of CNC milling machine also needs to carry out programming setting according to the periphery preset strokes of glass plate, concrete, computer is utilized to obtain the mimic diagram of the preset shape of glass sheet perimeter, and then utilize programming software to be mathematical model according to mimic diagram output, and then determine machining path, mathematical model is inputed in CNC milling machine, thus makes CNC milling machine process the glass plate of preset shape according to machining path.In other embodiments, if glass sheet perimeter is simple plane, then also can be do not provide mathematical model to CNC milling machine, the manually milling cutter of operating numerical control milling machine, thus process the glass plate of preset shape.
Step 103: be coated with viscose glue in all sides of glass plate.
In present embodiment, after the glass plate obtaining preset shape, regulation glass plate is upper surface towards user's one side; not damaged for improving glass plate; to when all sides of glass plate are coated with viscose glue, reply upper surface and all sides are sticked diaphragm, thus cover glass plate.Meanwhile, in order to prevent the gap between viscose glue increase glass plate and frame, viscose glue should be coated with and be located at all sides away from upper surface place.Concrete, first use the upper surface of plastic film covering glass plate, and cover adjacent upper surface place, all sides, then carry out a glue with all sides of adhesive dispensing device to glass plate, upper surface opposed bottom face is arranged.In other embodiments, can also be utilize adhesive dispensing device to the multiple spot place of all sides of glass plate, fixed fire viscose glue.
Step 104: glass plate is put into frame shaping mold cavity, obtains the injection cavity of frame shape.
In present embodiment, frame shaping mold cavity adopts CNC milling machine Milling Process mode to make, and the machining accuracy grade of frame shaping mold cavity is identical with the machining accuracy grade of glass plate, make frame shaping mold cavity and glass plate good fit.Concrete, tear the diaphragm of the upper surface of glass plate, and the film on all sides; The position of glass plate at frame shaping mold cavity is positioned; The inner surface of the upper surface of glass plate and frame shaping mold cavity is fitted; By frame shaping mold cavity and frame core matched moulds, thus obtain the chamber with frame shape.
Concrete, by a module after CNC milling machine processing, obtain the frame shaping mold cavity with a slippery inner surface, after inner surface and upper surface fit, be reserved with a forming surface.Frame shaping mold cavity is matched with frame building core simultaneously, thus frame shaping mold cavity and glass plate, and frame building core encloses the chamber with frame shape jointly.
Step 105: heating frame raw material, make the melting of frame raw material be in a liquid state.
Frame raw material can be granular plastic cement, also can be granular metals, can also be granular silica gel.In present embodiment, frame raw material adopt plastic cement.The raw-material heating of frame can be complete in injector, the screw rod of injector is utilized to do shearing motion to frame raw material, make frame raw material be the liquid state of melting, and add the raw-material cohesive force in edge, frame raw material can be better combined with glass plate.
Step 106: be injected in frame chamber by the frame raw material of liquid state, treat that liquid starting material is cooled to solid, obtain one in the frame of glass plate week side, scuncheon has frame flange.
In present embodiment, in order to not affect the appearance of frame, the entry portal of liquid starting material is arranged on frame core, thus avoids leave injection vestige in the appearance of frame, affects the appearance of frame.
Step 107: glass plate and frame is jointly fixing with on display surface, and frame flange correspondence is set covers non-display area, lower surface at least covers viewing area.
In present embodiment, be coated with optical cement layer on the display face, frame and transparent protection plate are pasted in optical cement layer jointly.
Step 108: be jointly sticked functional membrane on the outer surface of frame and glass plate, obtains terminal protecgulum.
In present embodiment, the junction of functional membrane stacked coated glass sheets and frame, thus weaken the gap between glass plate and frame.Functional membrane can also be photosensitive material, and under high light, functional membrane is high light transmittance energy, makes the light transmission of terminal protecgulum good; Under the low light level, functional membrane presents translucence, thus covers the junction of glass plate and frame.
The invention provides the first embodiment, as shown in Figure 2, in the step providing a unprocessed glass plate sections, unprocessed glass plate sections is after CNC milling machine milling, and glass plate 20 has the lower surface 22 that correspondence fits in viewing area 31.After the step through injection moulding frame, frame 10 has the face of covering 13 that correspondence fits in non-display area 32, lower surface 22 and cover face 13 and jointly form slippery inner surface.
Concrete, frame 10 comprises framework 101 and is arranged at the flange 102 of framework 101 inwall, the contiguous end face 10a of flange 102, junction 12 and cover face 13 and be all arranged on flange 102 in visible surface 11, first, visible surface 11 is concordant with end face 10a phase, in first, junction 12 is parallel to medial surface 10d, covers the relative visible surface 11 in face 13 and arranges.
In a first embodiment, visible surface 11 can be plane, upper surface 21 can be plane, and then make visible surface 11 and upper surface 22 form a smooth flat, and then frame 10 and glass plate 20 joint smooth surface, strengthen the appearance of terminal protecgulum 100, meet ergonomics, improve the service efficiency of terminal protecgulum 100.In other embodiments, visible surface 11 can be arc surface, and upper surface 21 also can be arc surface, or visible surface 11 with upper surface 22 with plane or/and the form that arc surface combines smoothly connects.
In a first embodiment, upper surface 21 is mutually concordant with visible surface 11, thus makes the appearance surfaces of terminal protecgulum 100 smooth, and reaches seamless effect, strengthens the visual effect of terminal protecgulum 100.Lower surface 23 correspondence fits in viewing area 11.Lower surface 23 is mutually concordant with the face of covering 13, lower surface 23 and cover face 13 and jointly form slippery inner surface, and slippery inner surface is burnishing surface.Display surface 30a is coated with optical cement layer (sign), optical cement layer is adhered between slippery inner surface and display surface 30a.Optical cement layer correspondence covers viewing area 31 and non-display area 32.Utilize optical cement layer to realize frame flange 102 and be fixedly connected with display screen 30 with glass plate 20, strengthen the robust structure of terminal protecgulum 100 on the one hand, frame flange 102 and glass plate 20 is utilized directly to fit in display screen 10 on the other hand, reach the gapless of display screen 30 and frame flange 21, and reach gapless between display screen 30 and glass plate 30, thus make free from dust on display surface 30a, free from admixture, strengthen the display effect of terminal protecgulum 100.
In a first embodiment, in first, junction 12 arranges the first projection 121, and in second, junction 22 is provided with the second depression 221, first protruding 121 and second and caves in and 221 to match; And/or junction 1 arranges the first depression 121b in first, in second, junction 22 is provided with the second protruding 221b, and the first depression 121b matches with the second protruding 221b.
In first, junction 12 is provided with the first projection 121.First protruding 121 contiguous visible surface 11, first projection 121 extends along frame flange 102 bearing of trend, the cross section triangularity shape of the first projection 121.In second, junction 22 is provided with protruding with first 121 corresponding second and caves in 221.The upper surface 21, second of the second depression 221 adjacent glass plates 20 caves in and 221 to extend along the circumference of glass plate 20.First protruding 121 inserts in the first depression 221, thus junction 22 tabling in junction 12 and second in first.All sides of glass plate 20 arrange the second depression 221, add man-hour at glass plate 20, only need carry out Cutting Process, and to glass plate 20 convenient mounting and clamping, and then the convenient processing to glass plate 20, reduce the cost of manufacture of terminal protecgulum 100.Meanwhile, because the second depression 221 is adjacent to the upper surface 21 of glass plate 20, make frame 10 when injection moulding, the injection pressure of the first projection 121 can reduce in gradient, thus prevents frame 10 from producing the defect such as burr or many glue with the junction of glass plate 20.In other embodiments, can also be junction is arranged the first depression in first, in second, junction be arranged the second projection.
Second embodiment is provided, roughly the same with the first embodiment unlike, as shown in the figure 3, glass plate 20 is after CNC milling machine processing, frame 10 is shaped in glass plate 20, frame 10 first in junction 12 two the first protruding 121a and first depression 121b are set.Two the first protruding 121a are respectively adjacent to visible surface 11 and cover face 13, first and cave in 121b between two the first protruding 121a.In second, junction 22 correspondence arranges a two second depressions 221a and second protruding 221b.First protruding 121a is near visible surface, and the first depression 121b and the first protruding 121a is separated by.Second depression 221a is corresponding with the first protruding 121a, and the second protruding 221b and first 121b that caves in is corresponding.Thus add the contact area of junction 22 in junction in first 12 and second, be conducive to the combination of frame 10 and glass plate 20, ensure that the integration of frame 10 and glass plate 20, and then be conducive to smoothly connecting of visible surface 11 and upper surface 21.
3rd embodiment is provided, roughly the same with the first embodiment, as shown in Figure 4, unlike junction 12 undulate in first of frame 10, namely junction 12 is provided with an a first protruding 123a and first depression 123b in first.The contiguous visible surface 11, first of first protruding 123a caves in, and 123b is contiguous covers face 13.First protruding 123a is semicircular flanges, and the first depression 123b is semi-circular recesses.First protruding 123a and first depression 123b is disposed adjacent.In second, junction 22 arranges the second depression 223a and the second protruding 223b, and the second depression 223a is corresponding with the first protruding 123a, and the second depression 322a combines with the first protruding 123a.Second protruding 223b and first 123b that caves in is corresponding, and the second protruding 223b and first 123b that caves in combines.Thus while adding the contact area of junction 22 in junction in first 12 and second, add the longitudinal shear resistance shearing stress between frame 10 and glass plate 20, and then avoid frame 10 and glass plate 20 to form longitudinal shear campaign, damage the inner side parts of terminal protecgulum 100; Visible surface 11 is poor with upper surface 21 section of appearance, and also ensure that the level and smooth of visible surface 11 and upper surface 21, the outward appearance being conducive to terminal protecgulum 100 (see Fig. 1) is good, utilization is covered face 13 and is covered non-display area 32, thus decrease the visual hierarchy of terminal protecgulum 100, realize the frame of terminal protecgulum 100 without black ink edge, increase the visual effect of terminal protecgulum 100.
There is provided the 4th embodiment, as shown in Figure 5, in the step that a unprocessed glass plate sections is provided, unprocessed glass plate sections is after CNC milling machine milling, glass plate 20 has the lower surface 23 covering display surface 30a, and lower surface 23 area ratio display surface 30a is large, and display surface 30a fits in lower surface 23.Concrete, the contiguous end face 10a of frame flange 102.Glass plate 20 weeks sides are provided with corresponding frame flange and are provided with glass plate groove 202, and glass plate groove 202 adjacent upper surface 21, in second, junction 22 is positioned on glass plate groove 202.Frame flange 102 matches with glass plate groove 202, thus visible surface 11 is mutually concordant with upper surface 21, and in first, junction 12 is connected with junction in second 22, reaches the seamless surface of terminal protecgulum 100.Glass plate groove 202 comprises the step surface 130 fitting in the face of covering 13.I.e. glass plate groove 202 support frame edge 102, and then frame 10 size can be reduced further, terminal protecgulum 100 is made to obtain larger sized viewing area, cover face 13 to cover non-display area 32 and reach the frame of terminal protecgulum 100 without black border effect simultaneously, realize the outward appearance integration effect of terminal protecgulum 100, improve visual effect, meet ergonomics.Meanwhile, lower surface 23 correspondence is utilized to fit in viewing area 31.Lower surface 23 is burnishing surface.Display surface 30a is coated with optical cement layer (sign), optical cement layer is adhered between lower surface 23 and display surface 30a.Optical cement layer correspondence covers viewing area 31 and non-display area 32.Utilize optical cement layer to realize glass plate 20 and be fixedly connected with display screen 30, strengthen the robust structure of terminal protecgulum 100 on the one hand, glass plate 20 is utilized directly to fit in display screen 30 on the other hand, reach gapless between display screen 30 and glass plate 30, thus make free from dust on display surface 30a, free from admixture, strengthens the display effect of terminal protecgulum 100.
The moulding process of terminal protecgulum of the present invention, by glass plate being placed in frame shaping mold cavity, through injection moulding, and then make the appearance of frame and the appearance of glass plate form a smooth surface, and there is no gap between glass plate and frame, and utilization molds frame flange in the inner side of frame, frame flange correspondence is utilized to cover non-display area, thus the inside edge being omitted in glass plate is coated with ink layer, namely the outward appearance of terminal protecgulum is made only can to see the viewing area of shell frame and display screen, decrease the visual hierarchy of terminal protecgulum, realize the frame of terminal protecgulum without black ink edge, increase the diversified ergonomics requirement of terminal protecgulum.
Be more than the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a moulding process for terminal protecgulum, is characterized in that, the moulding process of described terminal protecgulum comprises step:
There is provided a display screen, described display screen has a display surface, described display surface is provided with viewing area and non-display area, and described non-display area is around described viewing area;
There is provided a unprocessed glass plate sections, process the periphery of described glass plate sections, obtain the glass plate of preset shape, described glass plate has the lower surface at least covering described viewing area;
Described glass plate is put into frame shaping mold cavity, obtains the injection cavity of frame shape;
Heating frame raw material, make the melting of frame raw material be in a liquid state;
Be injected in described frame chamber by the frame raw material of described liquid state, treat that described liquid starting material is cooled to solid, obtain one in the frame of side of described glass plate week, described scuncheon has frame flange;
Described glass plate and described frame is jointly fixing with on described display surface, and described frame flange correspondence is set covers described non-display area, described lower surface at least covers described viewing area;
The outer surface of described frame and glass plate is sticked jointly functional membrane, obtains terminal protecgulum.
2. the moulding process of terminal protecgulum according to claim 1, is characterized in that, in the step providing a unprocessed glass plate sections, the lower surface of described glass plate is suitable with described viewing area.
3. the moulding process of terminal protecgulum according to claim 2, is characterized in that, in the step providing a unprocessed glass plate sections, described glass plate has the upper surface that a relatively described lower surface is arranged, and described upper surface is corresponding with described lower surface.
4. the moulding process of terminal protecgulum according to claim 3, it is characterized in that, the frame raw material of described liquid state are injected in the step in described frame chamber, described frame flange has and mutually concordant with described lower surface covers face, and has the upper surface mutually concordant with described upper surface.
5. the moulding process of terminal protecgulum according to claim 1, is characterized in that, in the step providing a unprocessed glass plate sections glass plate, the lower surface of described glass plate at least covers described display surface.
6. the moulding process of terminal protecgulum according to claim 5, is characterized in that, in the step providing a unprocessed glass plate sections, described glass plate has the upper surface that a relatively described lower surface is arranged, and described upper surface is suitable with described viewing area.
7. the moulding process of the terminal protecgulum according to claim 1 ~ 6 any one, it is characterized in that, described glass plate and described frame are being fixed with the step on described display surface jointly, described display surface is coated with optical cement layer, described frame and described glass plate are pasted in described optical cement layer jointly.
8. the moulding process of the terminal protecgulum according to claim 1 ~ 6 any one, is characterized in that, in the step providing a display screen, described display screen is touching display screen.
9. the moulding process of the terminal protecgulum according to claim 1 ~ 6 any one, is characterized in that, the moulding process of described terminal protecgulum also comprises step: be coated with viscose glue in all sides of described glass plate.
10. the moulding process of terminal protecgulum according to claim 9, it is characterized in that, be coated with in the step of viscose glue in all sides of described glass plate, first use the upper surface of glass plate described in plastic film covering, and cover contiguous described upper surface place, all sides, then carry out a glue with all sides of adhesive dispensing device to described glass plate, the relatively described lower surface of described upper surface is arranged.
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| CN201510189567.2A CN104924625A (en) | 2015-04-20 | 2015-04-20 | Molding process of terminal front cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643868A (en) * | 2016-01-04 | 2016-06-08 | 京东方科技集团股份有限公司 | Manufacturing method of middle frame for display screen, display screen and display device |
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| JPH06246782A (en) * | 1993-02-26 | 1994-09-06 | Takagi Seiko:Kk | Insert molding of plate glass fitted product |
| CN202422067U (en) * | 2012-02-20 | 2012-09-05 | 广东欧珀移动通信有限公司 | Full-adhering structure of cellphone touch screen and liquid-crystal module (LCM) |
| CN204046667U (en) * | 2014-07-18 | 2014-12-24 | 深圳市星际移动通信设备有限公司 | A kind of narrow limit formula terminal fore shell and terminal |
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| CN105643868A (en) * | 2016-01-04 | 2016-06-08 | 京东方科技集团股份有限公司 | Manufacturing method of middle frame for display screen, display screen and display device |
| US10421118B2 (en) | 2016-01-04 | 2019-09-24 | Boe Technology Group Co., Ltd. | Manufacturing method of middle frame for display screen, display screen and display device |
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Application publication date: 20150923 |