CN102179897A - Method for manufacturing screen sealing panel, screen sealing panel and television - Google Patents
Method for manufacturing screen sealing panel, screen sealing panel and television Download PDFInfo
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- CN102179897A CN102179897A CN2011100720348A CN201110072034A CN102179897A CN 102179897 A CN102179897 A CN 102179897A CN 2011100720348 A CN2011100720348 A CN 2011100720348A CN 201110072034 A CN201110072034 A CN 201110072034A CN 102179897 A CN102179897 A CN 102179897A
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Abstract
The invention is applied in the field of display electronic products, and provides a method for manufacturing a screen sealing panel, the screen sealing panel and a television. The method comprises the following steps of: manufacturing a screen sealing panel injection molding piece by adopting an in-molding roller (IMR) forming process; performing ultraviolet (UV) curing treatment on the outer surface of the screen sealing panel injection molding piece; and performing anti-fog and antistatic treatment on the inner surface of the screen sealing panel injection molding piece to obtain the screen sealing panel. Because the injection molding piece of the screen sealing panel is manufactured by adopting the IMR forming process, the automation degree of the production is high, and the mass production cost is low. By the UV curing treatment on the outer surface of the injection molding piece, the problems of poor surface quality, low yield and the like caused by the traditional UV coating method can be avoided. By the anti-fog and antistatic treatment on the inner surface of the injection molding piece, the quality of the screen sealing panel is further improved. Because the anti-fog and antistatic treatment step is carried out after the UV curing step, the hardened injection molding piece is subjected to anti-fog and antistatic treatment so that the product can be protected from being scratched.
Description
Technical field
The invention belongs to demonstration electronic product field, relate in particular to a kind of preparation method, screen sealing panel and television set of screen sealing panel.
Background technology
Some large-scale consumer demonstration electronic products (as television set) are for reaching the good surface appearance effect, face-piece (containing center sometimes) adopts the manufacturing of screen sealing panel Shooting Technique usually, this series products has some special performances to require and appearance requirements at aspects such as production, transportation and uses, as wear-resisting, anti-scratch, antifog, antistatic and high light transmittance, no rainbow line, multiple color decoration etc.For obtaining to satisfy the screen sealing panel of these requirements, existing technology adopts the mode of double-shot moulding and UV application to realize more, tangible problem below but this mode exists in than the manufacture process of large tracts of land screen sealing panel: the first, aspect the surface quality, the large tracts of land screen sealing panel generally needs stiffened, many at present employing UV coating process carry out stiffened to the profiled member of screen sealing panel, this method is polluted panel surface easily, the stiffened rear surface is easy to generate dirt pits, be full of cracks, orange peel, long-pending wet goods phenomenon, surface quality instability; The second, manufacturing cost aspect, life cycle of the product is long, productivity ratio is low, manufacturing cost is too high, is unfavorable for producing in batches.Because these factors exist, the screen sealing panel that causes existing processes to be made is second-rate, production cost is higher.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of preparation method of screen sealing panel, is intended to solve poor, the volume production cost problem of higher of screen sealing panel surface quality that existing technology is made.
The embodiment of the invention is achieved in that a kind of preparation method of screen sealing panel, and described method comprises the steps:
Adopt the IMR moulding process to make the screen sealing panel moulding;
Outer surface to described screen sealing panel moulding carries out UV curing processing;
Inner surface to described screen sealing panel moulding carries out antifog, antistatic processing, obtains screen sealing panel.
Another purpose of the embodiment of the invention is to provide a kind of screen sealing panel that adopts said method to make.
Another purpose of the embodiment of the invention is to provide a kind of television set that comprises above-mentioned screen sealing panel.
The embodiment of the invention adopts the IMR moulding process to make the moulding of screen sealing panel, can realize the effect of stereo shaping and decorative appearance by an IMR molding procedure simultaneously, reduce the link of back processing, manufacturing process is simplified and is shortened, production automation degree height, the volume production cost is low.
The embodiment of the invention is carried out UV curing processing to the outer surface of moulding, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, prevent that effectively the surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, problem such as yields is low.
The embodiment of the invention is carried out antifog, antistatic processing to the inner surface of moulding, makes screen sealing panel have antifog preferably and antistatic performance, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after the UV curing schedule, the moulding behind the stiffened is carried out antifog, antistatic handle and also can protect product can not be scratched.
Description of drawings
Fig. 1 is the preparation method flow chart of the screen sealing panel that provides of first embodiment of the invention;
Fig. 2 is the main TV structure schematic diagram of waiting to make screen sealing panel that second embodiment of the invention provides;
Fig. 3 is the side-looking structural representation of waiting to make screen sealing panel that second embodiment of the invention provides;
Fig. 4 be second embodiment of the invention provide with wait to make big printing figure layer schematic diagrames such as screen sealing panel;
Fig. 5 is the structural representation of the IMR diaphragm printing figure layer that provides of second embodiment of the invention;
Fig. 6 is the structural representation of the IMR diaphragm that provides of second embodiment of the invention;
Fig. 7 is the injection moulding apparatus structural representation that third embodiment of the invention provides;
Fig. 8 is the pouring gate structure schematic diagram of the injection moulding apparatus that provides of third embodiment of the invention;
Fig. 9 is the working state schematic representation of the injection moulding apparatus that provides of third embodiment of the invention;
Figure 10 is the cross-sectional view of the screen sealing panel moulding that provides of fourth embodiment of the invention;
Figure 11 is the cross-sectional view of the screen sealing panel that provides of fifth embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention adopts the IMR moulding process to make screen sealing panel, especially the larger area screen sealing panel of product such as television set, and screen sealing panel is carried out UV curing and antifog, antistatic processing, effectively improved the quality of screen sealing panel, save production process simultaneously, reduced the volume production cost.
The embodiment of the invention provides a kind of preparation method of screen sealing panel, and this method comprises the steps:
Adopt the IMR moulding process to make the screen sealing panel moulding;
Outer surface to the screen sealing panel moulding carries out UV curing processing;
Inner surface to the screen sealing panel moulding carries out antifog, antistatic processing, obtains screen sealing panel.
The embodiment of the invention also provides a kind of screen sealing panel that adopts said method to make.
The embodiment of the invention also provides a kind of television set that comprises above-mentioned screen sealing panel.
The embodiment of the invention adopts the IMR moulding process to make the moulding of screen sealing panel, can realize the effect of stereo shaping and decorative appearance by an IMR molding procedure simultaneously, has reduced the link of back processing, production automation degree height, and the volume production cost is low.Outer surface to moulding carries out UV curing processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, prevent that effectively the surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, problem such as yields is low.Inner surface to moulding carries out antifog, antistatic processing, makes screen sealing panel have antifog preferably and antistatic performance, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after the UV curing schedule, the moulding behind the stiffened is carried out antifog, antistatic handle and also can protect product can not be scratched.
Below in conjunction with specific embodiment specific implementation of the present invention is described in detail:
Embodiment one:
Fig. 1 shows the preparation method flow chart of the screen sealing panel that first embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with present embodiment.
The preparation method of this screen sealing panel may further comprise the steps:
In step S101, adopt the IMR moulding process to make the screen sealing panel moulding.
In step S102, the outer surface of screen sealing panel moulding is carried out UV solidify and handle.
In step S103, the inner surface of screen sealing panel moulding is carried out antifog, antistatic handle, obtain screen sealing panel.
The embodiment of the invention adopts the IMR moulding process to make the moulding of screen sealing panel, realize the effect of stereo shaping and decorative appearance simultaneously by IMR molding procedure, reduced the link of back processing, manufacturing process is simplified and is shortened, production automation degree height, the volume production cost is low; And printed patterns can change and mold exchange more at any time when adopting the IMR moulding process, has increased the free degree of designs such as picture and text, color, can adapt to the requirement of complicated appearance and modeling of large scale (as television set) screen sealing panel preferably.
The embodiment of the invention is carried out UV curing processing to the outer surface of moulding, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, prevent that effectively the surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, problem such as yields is low.
The embodiment of the invention is carried out antifog, antistatic processing to the inner surface of moulding, makes screen sealing panel have antifog preferably and antistatic performance, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after the UV curing schedule, the moulding behind the stiffened is carried out antifog, antistatic handle and also can protect product can not be scratched.
Embodiment two:
Fig. 2 shows the main TV structure schematic diagram of the screen sealing panel to be made that second embodiment of the invention provides, Fig. 3 shows the side-looking structural representation of the screen sealing panel to be made that second embodiment of the invention provides, Fig. 4 show that second embodiment of the invention provides with wait that making big printing figure layer schematic diagram such as screen sealing panel (has omitted corresponding LOGO among the figure, product type, patterns such as touch key-press sign), Fig. 5 shows the structural representation of the IMR diaphragm printing figure layer that second embodiment of the invention provides, Fig. 6 shows the structural representation of the IMR diaphragm that second embodiment of the invention provides, for convenience of explanation, only show the part relevant with present embodiment.
In embodiments of the present invention, adopting the IMR moulding process to make the screen sealing panel moulding can finish by following step:
At first, make the IMR diaphragm;
Then, adopt IMR injection mold and injection machine injection moulding to form the moulding of screen sealing panel.
IMR diaphragm in the embodiment of the invention mainly comprises the diaphragm base material and is attached to the printing figure layer of substrate surface that this printing figure layer is the printing figure layer of making according to the structure of the pre-screen sealing panel of producing, outward appearance and Color Scheme.This printing figure layer specifically can comprise the ink lay of multilayer different color, such as product LOGO evaporation layer, and product type, touch key-press identification pattern layer or the like.
Further, the embodiment of the invention further describes in detail the step of " making the IMR diaphragm ".
With reference to the accompanying drawings 2,3, be example with the screen sealing panel of making television set.For viewfinder area 11, next door are non-viewfinder area 12, adopt arc surface 13 transition between the circumferential profile edge of the edge of viewfinder area 11 and non-viewfinder area 12 in the middle of the screen sealing panel.Concrete, non-viewfinder area 12 most peripheral profile thickness are about 2.0mm, and viewfinder area 11 thickness can be 4.0mm, embody the pattern such as LOGO, model, literal of product and the black silk-screen effect of non-viewfinder area at panel appearance.The outer surface bottom of screen sealing panel can be provided with a rectangular groove 14, and after panel machined, this groove 14 was pasted ornamental strip.And, from not seeing the phenomenon that screw or other obvious mechanical connection are arranged between panel and the center in appearance, to satisfy the requirement attractive in appearance of product.
Making the IMR diaphragm of above-mentioned screen sealing panel can realize by following concrete grammar.
At first, for the printing layer edges that guarantees the IMR diaphragm all is capped when the formed product to the side die parting line, need print on the drawing in the early stage of IMR diaphragm this part and circular arc type transition face are carried out planar development.Simultaneously, printing figure layer position error, dimensional discrepancy when considering material contraction and injection moulding, make the neighboring of printing figure layer on the basis of required screen sealing panel size, increase by one section silk-screen width (as the part beyond the dotted line in the accompanying drawing 5, this width can be 18～22mm, preferred 20mm), in addition, relational pattern size, position dimension also relatively the final products outward appearance suitably adjust, obtain illustrating the printing figure layer (having omitted patterns such as corresponding LOGO, product type, touch key-press sign among the figure) of IMR diaphragm shown in Figure 5.
Then, according to the factor of IMR injection mold cavity edge to the size in the mould outside, the size of printing figure layer 51 and printing figure layer location, on the base material 52 of IMR diaphragm 5, printing figure layer 51 is arranged, form the IMR diaphragm of a plurality of printing figure layers of carrying, with reference to the accompanying drawings 6 (having omitted patterns such as corresponding LOGO, product type, touch key-press sign among the figure).In this step, need rationally to set the edge spacing (can be about 133mm) of adjacent printing figure layer 51, when guaranteeing each injection moulding printing figure layer 51 can with the accurate contraposition of mold cavity.
As further improvement of this embodiment, in order accurately to locate the position of IMR diaphragm 5, the outside, four summits of each printing figure layer 51 is man-to-man to be provided with 4 witness markers 53, with the printing figure layer 51 of further assurance IMR diaphragm 5 exactly attached on the plastic parts.
Obtain IMR diaphragm in batches through above-mentioned operating process, roll packed and transported, so that subsequent production is used.
Embodiment three:
Fig. 7 shows the injection moulding apparatus structural representation that third embodiment of the invention provides, Fig. 8 shows the pouring gate structure schematic diagram of the injection moulding apparatus that third embodiment of the invention provides, Fig. 9 shows the working state schematic representation of the injection moulding apparatus that third embodiment of the invention provides, for convenience of explanation, only show the part relevant with present embodiment.
The embodiment of the invention further describes in detail the step of " adopting IMR injection mold and injection machine injection moulding to form the moulding of screen sealing panel ".
In conjunction with the accompanying drawings 7, in embodiments of the present invention, the IMR injection mold preferably adopts the IMR steam mold, comprises dynamic model 71 and cover half 72, and dynamic model 71 is fixed on the moving platen 73, and cover half 72 is fixed on the solid plate 75 by iron side 74.Dynamic model 71 has die cavity, and cover half 72 has cast gate 721.Adopt the IMR steam mold can guarantee that the high light effect of product and injected plastics material have good flowability, and then guarantee that the ink printing figure layer uniform transfer printing of IMR membrane surface arrives the injected plastics material surface, and then improve the quality of screen sealing panel.The preferred PMMA raw material of this injected plastics material.
Further improvement as the embodiment of the invention, the cast gate 721 of this IMR steam mold can be set to single-point hot flow path fan gate (with reference to the accompanying drawings 8), exist residualinternal stress to make product ftracture, be easy to generate in appearance phenomenons such as rainbow line easily with the moulding of avoiding the large tracts of land screen sealing panel, and then guarantee that moulding does not have injection defect, improve the quality bills of materials of screen sealing panel.
Further improvement as the embodiment of the invention, IMR diaphragm 5 is adsorbed on the movable model cavity wall well when guaranteeing injection moulding, on dynamic model 71, be provided with through hole 711, extract air between IMR diaphragms and die cavity, the sealing ring out to form decompression by through hole 711, make IMR diaphragm 5 can be fitted in the die cavity inwall closely, to obtain profile profiled member preferably.
Further improvement as the embodiment of the invention, can the film feeding machine be installed on the IMR injection mold, the CCD Fibre Optical Sensor is set on the film feeding machine, be used for accurately detecting the witness marker 53 on the IMR diaphragm 5, to guarantee that IMR diaphragm 5 accurately transports, make corresponding printing figure layer 51 and the accurate contraposition of die cavity.
With reference to the accompanying drawings 7,9, below the manufacture process of the moulding of screen sealing panel is elaborated.
The first step positions IMR diaphragm 5, makes the printing figure layer 51 and the contraposition of IMR injection mold cavity of IMR diaphragm.
The dynamic model 71 and the cover half 72 that are about to the IMR injection mold are opened, and by the film feeding machine IMR diaphragm 5 are sent to accurate position, make corresponding printing figure layer 51 and die cavity contraposition, and IMR diaphragm 5 is pressed close to die cavity edge (as accompanying drawing 7) at this moment.
Second step is with dynamic model 71 and cover half 72 matched moulds (as accompanying drawing 9).At this moment, IMR diaphragm 5 forms an enclosure space with die cavity inwall, aeroseal circle.
In the 3rd step, make IMR diaphragm 5 fit in the injection mold cavity inwall.
Air by the through hole on the dynamic model 71 711 is extracted out between IMR diaphragm 5 and the die cavity forms near vacuum state, makes diaphragm be fitted in the inwall of the die cavity of dynamic model one side closely.
The 4th step, in die cavity, fill injected plastics material, and fill up die cavity, form the moulding of screen sealing panel.
Spinning movement by the screw rod 781 in the barrel 78 of injection machine enters hot flow path 77 in the hot runner manifold 76 between cover half 72, solid plate 75 and the iron side 74 with the injected plastics material 782 (can be the PMMA resin) of fusing by the nozzle extruding.Simultaneously, the needle 771 in the hot flow path 77 moves right, and cast gate 721 is opened, and the injected plastics material 782 of fusing enters cast gate, and extruding IMR diaphragm 5 is filled die cavity, simultaneously in the moulding of the back side of IMR diaphragm 5.After the injected plastics material cooling to be melted, can open mould, cast gate 721 and panel be cut off, take out the moulding of screen sealing panel by cutting mechanism 712.
The moulding of this screen sealing panel mainly comprises base material, UV ink lay, LOGO evaporation layer, patterned layer such as product type, touch key-press sign, adhesive linkage and plastic material layer etc.
In embodiments of the present invention, also can adopt the low-pressure injection molding machine of common screen sealing panel injection mold and band compression function to cooperate production.No matter adopt which kind of mode, all require the Production Regional purified treatment during production, avoid having pollutions such as leakage of oil, gas leakage on every side, mould can not use releasing agent.
Embodiment four:
Figure 10 shows the cross-sectional view of the screen sealing panel moulding that fourth embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with present embodiment.
The embodiment of the invention further describes in detail the step of " outer surface to the screen sealing panel moulding carries out UV curing processing ".
At first, the outermost base material 101 of screen sealing panel moulding is peeled off (base material 101 be the substrate passed processing back of IMR diaphragm form).Keep UV ink lay 102, LOGO evaporation layer 103, patterned layer 104, adhesive linkage 105 and plastic material layers 106 such as product type, touch key-press sign.
Then, the moulding of peelling off base material is sent into UV solidify machine, the outer surface of moulding is carried out UV solidify.
Surperficial pencil hardness through the moulding after the UV curing can be brought up to 5-6H, is higher than the case hardness 2-3H of traditional injection moulding panel far away, and the UV ink lay on surface has very high wearability after solidifying, and can prevent effectively that the surface is scratched.Problems such as this moulding has guaranteed the surface quality of screen sealing panel through above-mentioned processing, and the surface quality of having avoided the traditional injection moulding panel to adopt the UV coating process to cause is bad, unstable, and yields is low.
Embodiment five:
Figure 11 shows the cross-sectional view of the screen sealing panel that fifth embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with present embodiment.
The embodiment of the invention further describes in detail the step of " inner surface to the screen sealing panel moulding carries out antifog, antistatic processing ".
The first step cleans the inner surface of the viewfinder area of screen sealing panel moulding;
Can stick at the non-viewfinder area of panel inner surface and block paper and again viewfinder area is cleaned, in order to avoid non-viewfinder area is exerted an influence.
In second step, adopt the aqueous transparent anti-fog coating that the inner surface of viewfinder area is carried out meticulous spraying;
In the 3rd step, the moulding after the spraying is carried out drying handle, thereby form the transparent anti-fog coating layer 107 of layer of even at the inner surface of moulding.
The advantage that this aqueous transparent anti-fog coating has high transmission rate, high-leveling and can do over again and handle, has antistatic performance preferably, therefore through after the above-mentioned processing, the inner surface of screen sealing panel has antifog preferably and anti-static effect, and has light transmission and planarization preferably.This aqueous transparent anti-fog coating is preferably the aqueous transparent anti-fog coating of picture level, and it is antifog and light transmission is better.
Moulding after the spraying can be placed on the about 15-20min of oven dry in about 50 ℃ baking box, can repeatedly spray and dry processing in case of necessity, makes screen sealing panel have better antifog, antistatic performance.
In embodiments of the present invention, the screen sealing panel moulding is carried out the paper that blocks on the non-viewfinder area to be opened after antifog, antistatic handles, use two-sided tape to paste center at the back side of screen sealing panel, after installing display screen and relevant components and parts, paste the outer surface ornamental strip, the final assembly packing.
The embodiment of the invention adopts the IMR moulding process to make the moulding of screen sealing panel, realize the effect of stereo shaping and decorative appearance simultaneously by IMR molding procedure, reduced the link of back processing, manufacturing process is simplified and is shortened, production automation degree height, the volume production cost is low; Printed patterns can change and mold exchange more at any time when adopting the IMR moulding process, has increased the free degree of designs such as picture and text, color, can adapt to the requirement of complicated appearance and modeling of large scale (as television set) screen sealing panel preferably.Outer surface to moulding carries out UV curing processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, prevent that effectively the surface is scratched, and it is bad to have avoided adopting traditional UV application to add the surface quality that hard method causes, problem such as yields is low.Inner surface to moulding carries out antifog, antistatic processing, makes the inner surface of screen sealing panel have antifog preferably and antistatic performance, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after the UV curing schedule, the moulding behind the stiffened is carried out antifog, antistatic handle and also can protect product can not be scratched.
Further, adopt the IMR steam mold can guarantee that the high light effect of product and injected plastics material have good flowability, and then guarantee that the ink printing figure layer uniform transfer printing on IMR surface arrives the injected plastics material surface.The cast gate of IMR steam mold is set to single-point hot flow path fan gate, can avoid the moulding of large tracts of land screen sealing panel to exist residualinternal stress to make product ftracture, be easy to generate in appearance phenomenons such as rainbow line easily, and then guarantee that moulding does not have injection defect, improve the quality bills of materials of screen sealing panel.The CCD Fibre Optical Sensor is being set to detect the witness marker on the IMR diaphragm on the film feeding machine, can guaranteeing that the IMR diaphragm accurately transports and locatees.Adopt the aqueous transparent anti-fog coating that moulding is carried out antifog, antistatic processing, make the inner surface of screen sealing panel have antifog preferably and anti-static effect, and have light transmission and planarization preferably.
In the actual process of product, because of in the workshop, having particle contamination panel surfaces such as some greasy dirts, micronic dust, foreign material sometimes unavoidably, therefore enforcement of the present invention is chosen in dustless environment purification as far as possible and carries out, realize more operation in same place as far as possible, in case assembling, packing, transportation etc. cause unnecessary loss, to reduce unnecessary management link and expense.Simultaneously, handle case hardness and the wearability that has improved product, therefore under the prerequisite that satisfies performance requirements such as light transmission, injection molding process, can select some low prices, the higher plastic cement raw material of cost performance for use, can effectively reduce cost because UV solidifies.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the preparation method of a screen sealing panel is characterized in that, described method comprises the steps:
Adopt the IMR moulding process to make the screen sealing panel moulding;
Outer surface to described screen sealing panel moulding carries out UV curing processing;
Inner surface to described screen sealing panel moulding carries out antifog, antistatic processing, obtains screen sealing panel.
2. the method for claim 1 is characterized in that, the step that described employing IMR moulding process is made the screen sealing panel moulding is specially:
Make the IMR diaphragm;
Adopt IMR injection mold and injection machine injection moulding to form the screen sealing panel moulding.
3. method as claimed in claim 2 is characterized in that, described IMR diaphragm comprises the diaphragm base material and is attached to several printings figure layer of described diaphragm substrate surface; The neighboring of described printing figure layer expands outwardly 18～22mm on the basis of the size of waiting to make screen sealing panel.
4. method as claimed in claim 2 is characterized in that, the step that described employing IMR injection mold and injection machine injection moulding form the screen sealing panel moulding is specially:
Described IMR diaphragm is positioned, make the printing figure layer and the contraposition of described IMR injection mold cavity of described IMR diaphragm;
Dynamic model and cover half matched moulds with described IMR injection mold;
Make described IMR diaphragm fit in the inwall of described die cavity;
In described die cavity, fill injected plastics material, form the screen sealing panel moulding.
5. method as claimed in claim 4 is characterized in that, the step that makes described IMR diaphragm fit in the inwall of described die cavity is specially:
Inner and be communicated with described die cavity and extraneous through hole and extract air between described IMR diaphragm and the die cavity inwall out by being opened in dynamic model, make described IMR diaphragm fit in the inwall of described die cavity.
6. method as claimed in claim 4 is characterized in that, fills injected plastics material in described die cavity, and the step that forms the screen sealing panel moulding is specially:
Adopt described injection machine to be filled into the cast gate of its injected plastics material that takes up by described cover half in the die cavity and be full of die cavity;
Treat to separate described dynamic model and cover half after the described injected plastics material cooling, obtain the screen sealing panel moulding.
7. as each described method of claim 1 to 6, it is characterized in that described IMR injection mold is the steam injection mold.
8. as each described method of claim 1 to 6, it is characterized in that the inner surface of described screen sealing panel moulding is carried out antifog, antistatic handle, the step that obtains screen sealing panel is specially:
Inner surface to the viewfinder area of described screen sealing panel moulding cleans;
Adopt the aqueous transparent anti-fog coating that the inner surface of described viewfinder area is sprayed;
Screen sealing panel moulding after the spraying is carried out drying handle, the surface forms uniform transparent anti-fog coating layer within it.
9. screen sealing panel that adopts each described method of claim 1 to 8 to make.
10. television set that comprises the described screen sealing panel of claim 9.
Priority Applications (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335194A (en) * | 2016-08-29 | 2017-01-18 | 昆山三景科技股份有限公司 | Method for improving bad liquid accumulation of three-dimensional display screen product siliconization process |
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