CN102179897B - 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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- CN102179897B CN102179897B CN201110072034.8A CN201110072034A CN102179897B CN 102179897 B CN102179897 B CN 102179897B CN 201110072034 A CN201110072034 A CN 201110072034A CN 102179897 B CN102179897 B CN 102179897B
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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 and show 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 good appearance, face-piece (sometimes containing center) adopts the manufacture of screen sealing panel Shooting Technique conventionally, this series products has some special performance requirements and appearance requirement at aspects such as production, transportation and uses, as wear-resisting, anti-scratch, antifog, antistatic and high light transmittance, without rainbow line, multiple color decoration etc.For obtaining the screen sealing panel that meets these requirements, existing technology adopts the mode of double-shot moulding and UV application to realize more, obvious problem below but this mode exists in the manufacture process of larger area screen sealing panel: the first, aspect surface quality, large area screen sealing panel generally needs stiffened, the UV coating process that adopt carry out stiffened to the profiled member of screen sealing panel more at present, this method is easily polluted panel surface, stiffened rear surface easily produces dirt pits, be full of cracks, orange peel, long-pending wet goods phenomenon, and surface quality is unstable; The second, manufacturing cost aspect, life cycle of the product is long, productivity ratio is low, manufacturing cost is too high, is unfavorable for batch production.Because these factors exist, the screen sealing panel that causes existing technique to be manufactured is second-rate, production cost is higher.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of preparation method of screen sealing panel, is intended to solve the problem that screen sealing panel surface quality is poor, volume production cost is higher that existing technique is manufactured.
The embodiment of the present invention is achieved in that a kind of preparation method of screen sealing panel, and described method comprises the steps:
Adopt IMR moulding process to make screen sealing panel moulding;
The outer surface of described screen sealing panel moulding is carried out to UV and solidify processing;
The inner surface of described screen sealing panel moulding is carried out to antifog, antistatic processing, obtain screen sealing panel.
The step that described employing IMR moulding process is made screen sealing panel moulding is specially:
Make IMR diaphragm;
Adopt IMR injection mold and injection machine injection moulding to form screen sealing panel moulding;
Described IMR diaphragm comprises diaphragm base material and is attached to several dimensional printed chart layers of described diaphragm substrate surface; The neighboring of described dimensional printed chart layer expands outwardly 18～22mm on the basis of the size of screen sealing panel to be produced.
Another object of the embodiment of the present invention is to provide a kind of screen sealing panel that adopts said method to make.
Another object of the embodiment of the present invention is to provide a kind of television set that comprises above-mentioned screen sealing panel.
The embodiment of the present invention adopts IMR moulding process to make the moulding of screen sealing panel, can by an IMR molding procedure, realize the effect of stereo shaping and decorative appearance simultaneously, reduce the link of rear processing, manufacturing process is simplified and is shortened, production automation degree is high, and volume production cost is low.
The embodiment of the present invention is carried out UV to the outer surface of moulding and is solidified processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, effectively prevent that surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, the problem such as yields is low.
The embodiment of the present invention is carried out antifog, antistatic processing to the inner surface of moulding, makes screen sealing panel have antifog and antistatic performance preferably, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after UV curing schedule, the moulding after stiffened is carried out to antifog, antistatic and process and also can protect product can not be scratched.
Accompanying drawing explanation
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 the screen sealing panel to be produced that provides of second embodiment of the invention;
Fig. 3 is the side-looking structural representation of the screen sealing panel to be produced that provides of second embodiment of the invention;
Fig. 4 is the dimensional printed chart layer schematic diagram large with screen sealing panel to be made etc. that second embodiment of the invention provides;
Fig. 5 is the structural representation of the IMR diaphragm dimensional printed chart 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 object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention adopts IMR moulding process to make screen sealing panel, especially the larger area screen sealing panel of the product such as television set, and screen sealing panel is carried out to UV to be solidified and antifog, antistatic processing, effectively improved the quality of screen sealing panel, save production process simultaneously, reduced volume production cost.
The embodiment of the present invention provides a kind of preparation method of screen sealing panel, and the method comprises the steps:
Adopt IMR moulding process to make screen sealing panel moulding;
The outer surface of screen sealing panel moulding is carried out to UV and solidify processing;
The inner surface of screen sealing panel moulding is carried out to antifog, antistatic processing, obtain screen sealing panel.
The embodiment of the present invention also provides a kind of screen sealing panel that adopts said method to make.
The embodiment of the present invention also provides a kind of television set that comprises above-mentioned screen sealing panel.
The embodiment of the present invention adopts IMR moulding process to make the moulding of screen sealing panel, can by an IMR molding procedure, realize the effect of stereo shaping and decorative appearance simultaneously, has reduced the link of rear processing, and production automation degree is high, and volume production cost is low.The outer surface of moulding is carried out to UV and solidify processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, effectively prevent that surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, the problem such as yields is low.The inner surface of moulding is carried out to antifog, antistatic processing, make screen sealing panel there is antifog and antistatic performance preferably, further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after UV curing schedule, the moulding after stiffened is carried out to antifog, antistatic and process 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 mono-:
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 to the present embodiment.
The preparation method of this screen sealing panel comprises the following steps:
In step S101, adopt IMR moulding process to make screen sealing panel moulding.
In step S102, the outer surface of screen sealing panel moulding is carried out to UV and solidify processing.
In step S103, the inner surface of screen sealing panel moulding is carried out to antifog, antistatic processing, obtain screen sealing panel.
The embodiment of the present invention adopts IMR moulding process to make the moulding of screen sealing panel, by IMR molding procedure, realize the effect of stereo shaping and decorative appearance simultaneously, reduced the link of rear processing, manufacturing process is simplified and is shortened, production automation degree is high, and volume production cost is low; And printed patterns can change and mold exchange more at any time while adopting IMR moulding process, increased the free degree of the designs such as picture and text, color, can adapt to preferably the requirement of the more complicated appearance and modeling of large scale (as television set) screen sealing panel.
The embodiment of the present invention is carried out UV to the outer surface of moulding and is solidified processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, effectively prevent that surface is scratched, and the surface quality of having avoided adopting traditional UV coating process to cause is bad, the problem such as yields is low.
The embodiment of the present invention is carried out antifog, antistatic processing to the inner surface of moulding, makes screen sealing panel have antifog and antistatic performance preferably, has further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after UV curing schedule, the moulding after stiffened is carried out to antifog, antistatic and process and also can protect product can not be scratched.
embodiment bis-:
Fig. 2 shows the main TV structure schematic diagram of the screen sealing panel to be produced that second embodiment of the invention provides, Fig. 3 shows the side-looking structural representation of the screen sealing panel to be produced that second embodiment of the invention provides, what Fig. 4 showed that second embodiment of the invention provides (has omitted corresponding LOGO with the large dimensional printed chart layer schematic diagram such as screen sealing panel to be made in figure, product type, the patterns such as touch key-press sign), Fig. 5 shows the structural representation of the IMR diaphragm dimensional printed chart 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 to the present embodiment.
In embodiments of the present invention, adopting IMR moulding process to make screen sealing panel moulding can complete by following step:
First, make 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 present invention mainly comprises diaphragm base material and the dimensional printed chart layer that is attached to substrate surface, and this dimensional printed chart layer is the dimensional printed chart layer of making according to the structure of the pre-screen sealing panel of producing, outward appearance and Color Scheme.This dimensional printed chart layer specifically can comprise the ink layer of multilayer different color, such as product LOGO evaporation layer, and product type, touch key-press identification pattern layer etc.
Further, the embodiment of the present invention is described in further detail the step of " making IMR diaphragm ".
With reference to accompanying drawing 2,3, the screen sealing panel of making television set of take is example.Between the circumferential profile edge of the middle Yu Fei viewfinder area, edge 12 for 12， viewfinder area, Wei Fei viewfinder area, 11, side, viewfinder area 11 of screen sealing panel, adopt arc surface 13 transition.Concrete, non-viewfinder area 12 most peripheral profile thickness are about 2.0mm, and viewfinder area 11 thickness can be 4.0mm, embody the patterns such as LOGO, model, word of product and the black silk-screen effect of non-viewfinder area at panel appearance.The outer surface of screen sealing panel can be provided with a rectangular groove 14 below, and after panel machines, this groove 14 is pasted ornamental strip.And, from not seeing the phenomenon that has screw or other obvious mechanical connection between panel and center in appearance, to meet the requirement attractive in appearance of product.
Making the IMR diaphragm of above-mentioned screen sealing panel can realize by following concrete grammar.
First, all capped when the formed product to side die parting line for the printing layer edges that guarantees IMR diaphragm, need to print on drawing this part and circular arc type transition face are carried out to planar development in the early stage of IMR diaphragm.Simultaneously, dimensional printed chart layer position error, dimensional discrepancy while considering Material shrinkage and injection moulding, make the neighboring of dimensional printed chart layer on the basis of required screen sealing panel size, increase by one section of silk-screen width (as the part beyond dotted line in accompanying drawing 5, this width can be 18～22mm, preferred 20mm), in addition, relational pattern size, position dimension also relative final products outward appearance are suitably adjusted, and obtain the dimensional printed chart layer (having omitted the patterns such as corresponding LOGO, product type, touch key-press sign in figure) of the IMR diaphragm shown in schematic diagram 5.
Then, according to the die cavity edge of IMR injection mold to the size in mould outside, the factor of the size of dimensional printed chart layer 51 and dimensional printed chart layer location, on the base material 52 of IMR diaphragm 5, dimensional printed chart layer 51 is arranged, form the IMR diaphragm of a plurality of dimensional printed chart layers of carrying, with reference to having omitted the patterns such as corresponding LOGO, product type, touch key-press sign in accompanying drawing 6(figure).In this step, need rationally to set the Distances Between Neighboring Edge Points (can be about 133mm) of adjacent dimensional printed chart layer 51, while guaranteeing each injection moulding dimensional printed chart layer 51 can with mold cavity accurate contraposition.
As further improvement of this embodiment, in order accurately to locate the position of IMR diaphragm 5, man-to-manly outside four summits of each dimensional printed chart layer 51 be provided with 4 witness markers 53, further to guarantee that the dimensional printed chart layer 51 of IMR diaphragm 5 is attached on plastic parts exactly.
Through above-mentioned operating process, obtain IMR diaphragm in batches, roll packed and transported, so that subsequent production is used.
embodiment tri-:
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 to the present embodiment.
The embodiment of the present invention is described in further detail the step of " adopting IMR injection mold and injection machine injection moulding to form the moulding of screen sealing panel ".
By reference to the accompanying drawings 7, in embodiments of the present invention, IMR injection mold preferably adopts IMR steam mold, comprises dynamic model 71 and cover half 72, and dynamic model 71 is fixed on moving platen 73, and cover half 72 is fixed on solid plate 75 by iron side 74.Dynamic model 71 has die cavity, and cover half 72 has cast gate 721.Adopt IMR steam mold can guarantee that the high light effect of product and injected plastics material have good mobility, and then guarantee that the ink printing figure layer of IMR membrane surface is transferred to injected plastics material surface uniformly, 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 present invention, the cast gate 721 of this IMR steam mold can be set to single-point hot flow path fan gate (with reference to accompanying drawing 8), to avoid the moulding of large area screen sealing panel to exist residualinternal stress to make product easily ftracture, easily produce in appearance the phenomenons such as rainbow line, and then guarantee that moulding, without injection defect, improves the quality bills of materials of screen sealing panel.
Further improvement as the embodiment of the present invention, IMR diaphragm 5 is adsorbed on movable model cavity wall well when guaranteeing injection moulding, on dynamic model 71, be provided with through hole 711, by through hole 711, extract air between IMR diaphragms and die cavity, sealing ring out to form decompression, make IMR diaphragm 5 can be fitted in closely die cavity inwall, to obtain the good profiled member of profile.
Further improvement as the embodiment of the present invention, can on IMR injection mold, film transmitting machine be installed, CCD Fibre Optical Sensor is set on film transmitting machine, for accurately detecting the witness marker 53 on IMR diaphragm 5, to guarantee that IMR diaphragm 5 accurately transports, make corresponding dimensional printed chart layer 51 and die cavity exactitude position.
With reference to accompanying drawing 7,9, below the manufacture process of the moulding of screen sealing panel is elaborated.
The first step, positions IMR diaphragm 5, makes the die cavity contraposition of dimensional printed chart layer 51 with the IMR injection mold of IMR diaphragm.
The dynamic model 71 and the cover half 72 that are about to IMR injection mold are opened, and by film transmitting machine, IMR diaphragm 5 are sent to accurate location, make corresponding dimensional printed chart layer 51 and die cavity contraposition, and now IMR diaphragm 5 is pressed close to die cavity edge (as accompanying drawing 7).
Second step, by dynamic model 71 and cover half 72 matched moulds (as accompanying drawing 9).Now, IMR diaphragm 5 forms an enclosure space with die cavity inwall, aeroseal circle.
The 3rd step, makes IMR diaphragm 5 fit in the die cavity inwall of injection mold.
The air of extracting out between IMR diaphragm 5 and die cavity by the through hole 711 on dynamic model 71, forms and approaches vacuum state, makes diaphragm be fitted in closely the inwall of the die cavity of dynamic model one side.
The 4th step is filled injected plastics material in die cavity, and fills up die cavity, forms the moulding of screen sealing panel.
Spinning movement by the screw rod 781 in the barrel 78 of injection machine can be PMMA resin by the injected plastics material 782(of fusing) by nozzle, push the hot flow path 77 in the hot runner manifold 76 entering between cover half 72, solid plate 75 and iron side 74.Meanwhile, the needle 771 in 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, at the bead formed on back of IMR diaphragm 5 simultaneously.After the injected plastics material melting is cooling, can open mould, by cutting mechanism 712, cast gate 721 and panel are cut off, take out the moulding of screen sealing panel.
The moulding of this screen sealing panel mainly comprises base material, UV ink layer, LOGO evaporation layer, the 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 common screen sealing panel injection mold and produce with the low-pressure injection molding machine cooperation of compression function.No matter adopt which kind of mode, all require Production Regional purified treatment during production, avoid having the pollutions such as leakage of oil, gas leakage around, mould can not be used releasing agent.
embodiment tetra-:
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 to the present embodiment.
The embodiment of the present invention is described in further detail the step of " outer surface of screen sealing panel moulding is carried out to UV and solidify processing ".
First, the outermost base material 101 of screen sealing panel moulding is peeled off to (base material that base material 101 is IMR diaphragm forms after processing).Retain UV ink layer 102, LOGO evaporation layer 103, patterned layer 104, adhesive linkage 105 and the plastic material layers 106 such as product type, touch key-press sign.
Then, the moulding of peelling off base material is sent into UV and solidify machine, the outer surface of moulding is carried out to UV and solidify.
The surperficial pencil hardness of the moulding after UV solidifies can be brought up to 5-6H, and higher than the case hardness 2-3H of traditional injection moulding panel, the UV ink layer on surface has very high wearability after solidifying, and can effectively prevent that surface is scratched far away.The problems such as this moulding, through above-mentioned processing, has guaranteed the surface quality of screen sealing panel, and the surface quality of having avoided traditional injection moulding panel to adopt 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 to the present embodiment.
The embodiment of the present invention is described in further detail the step of " inner surface of screen sealing panel moulding is carried out to antifog, antistatic processing ".
The first step, cleans the inner surface of the viewfinder area of screen sealing panel moulding;
Can stick in 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.
Second step, adopts aqueous transparent anti-fog coating to carry out meticulous spraying to the inner surface of viewfinder area;
The 3rd step, is dried processing to the moulding after spraying, thereby forms the uniform Transparent Antifogging Coatings layer 107 of one deck at the inner surface of moulding.
This aqueous transparent anti-fog coating has advantages of high transmission rate, high-leveling and the processing of can doing over again, there is good antistatic performance, therefore after above-mentioned processing, the inner surface of screen sealing panel has antifog and anti-static effect preferably, and has good light transmission and planarization.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 spraying can be placed in the baking box of approximately 50 ℃ and dry about 15-20min, can repeatedly spray and drying and processing if desired, makes screen sealing panel have better antifog, antistatic performance.
In embodiments of the present invention, screen sealing panel moulding is carried out after antifog, antistatic processes, the paper that blocks on non-viewfinder area to be opened, use two-sided tape to paste center at the back side of screen sealing panel, install after display screen and relevant components and parts, paste outer surface ornamental strip, final assembly packing.
The embodiment of the present invention adopts IMR moulding process to manufacture the moulding of screen sealing panel, by IMR molding procedure, realize the effect of stereo shaping and decorative appearance simultaneously, reduced the link of rear processing, manufacturing process is simplified and is shortened, production automation degree is high, and volume production cost is low; While adopting IMR moulding process, printed patterns can change and mold exchange more at any time, has increased the free degree of the designs such as picture and text, color, can adapt to preferably the requirement of the more complicated appearance and modeling of large scale (as television set) screen sealing panel.The outer surface of moulding is carried out to UV and solidify processing, can increase substantially the case hardness of screen sealing panel, make it to have very high wearability, effectively prevent that surface is scratched, and it is bad to have avoided adopting traditional UV application to add the surface quality that hard method causes, the problem such as yields is low.The inner surface of moulding is carried out to antifog, antistatic processing, make the inner surface of screen sealing panel there is antifog and antistatic performance preferably, further improved the quality of screen sealing panel.And antifog, antistatic treatment step is after UV curing schedule, the moulding after stiffened is carried out to antifog, antistatic and process and also can protect product can not be scratched.
Further, adopt IMR steam mold can guarantee that the high light effect of product and injected plastics material have good mobility, and then guarantee that the ink printing figure layer on IMR surface is transferred to injected plastics material surface uniformly.The cast gate of IMR steam mold is set to single-point hot flow path fan gate, can avoid the moulding of large area screen sealing panel to exist residualinternal stress to make product easily ftracture, easily produce in appearance the phenomenons such as rainbow line, and then guarantee that moulding, without injection defect, improves the quality bills of materials of screen sealing panel.CCD Fibre Optical Sensor is set on film transmitting machine to detect the witness marker on IMR diaphragm, can guarantees that IMR diaphragm accurately transports and locates.Adopt aqueous transparent anti-fog coating to carry out antifog, antistatic processing to moulding, make the inner surface of screen sealing panel there is antifog and anti-static effect preferably, and there is good light transmission and planarization.
In the actual process of product, because sometimes have unavoidably the particle contamination panel surfaces such as some greasy dirts, micronic dust, foreign material in workshop, therefore enforcement of the present invention is chosen in as far as possible dust-free purification environment and carries out, in same place, realize more operation as far as possible, in case assembling, packing, transportation etc. cause unnecessary loss, to reduce unnecessary management link and expense., because UV solidify to process case hardness and the wearability that has improved product, therefore meeting under the prerequisite of the performance requirements such as light transmission, injection molding process meanwhile, can select some low prices, plastic cement raw material that cost performance is higher, can effectively reduce costs.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a preparation method for screen sealing panel, is characterized in that, described method comprises the steps:
Adopt IMR moulding process to make screen sealing panel moulding;
The outer surface of described screen sealing panel moulding is carried out to UV and solidify processing;
The inner surface of described screen sealing panel moulding is carried out to antifog, antistatic processing, obtain screen sealing panel;
The step that described employing IMR moulding process is made screen sealing panel moulding is specially:
Make IMR diaphragm;
Adopt IMR injection mold and injection machine injection moulding to form screen sealing panel moulding;
Described IMR diaphragm comprises diaphragm base material and is attached to several dimensional printed chart layers of described diaphragm substrate surface; The neighboring of described dimensional printed chart layer expands outwardly 18～22mm on the basis of the size of screen sealing panel to be produced;
Man-to-manly outside four summits of dimensional printed chart layer described in each be provided with four witness markers, on described IMR injection mold, film transmitting machine is installed, on film transmitting machine, be provided for detecting the CCD Fibre Optical Sensor of described witness marker, make the die cavity exactitude position of described dimensional printed chart layer and described IMR injection mold;
Described IMR injection mold is steam injection mold, and the cast gate of described IMR steam mold is set to single-point hot flow path fan gate;
The step that described employing IMR injection mold and injection machine injection moulding form screen sealing panel moulding is specially:
Described IMR diaphragm is positioned, make the die cavity contraposition of dimensional printed chart layer and the described IMR injection mold of described IMR diaphragm;
By the dynamic model of described IMR injection mold and cover half matched moulds;
Make described IMR diaphragm fit in the inwall of described die cavity;
In described die cavity, fill injected plastics material, form screen sealing panel moulding;
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 is extracted the air between described IMR diaphragm and die cavity inwall out by being opened in dynamic model, make described IMR diaphragm fit in the inwall of described die cavity.
2. the method for claim 1, is characterized in that, in described die cavity, fills injected plastics material, and the step that forms screen sealing panel moulding is specially:
Adopt injected plastics material that described injection machine taken up be filled in die cavity and be full of die cavity by the cast gate of described cover half;
After described injected plastics material is cooling, separate described dynamic model and cover half, obtain screen sealing panel moulding.
3. method as claimed in claim 1 or 2, is characterized in that, the inner surface of described screen sealing panel moulding is carried out to antifog, antistatic processing, and the step that obtains screen sealing panel is specially:
Inner surface to the viewfinder area of described screen sealing panel moulding cleans;
Adopt aqueous transparent anti-fog coating to spray the inner surface of described viewfinder area;
Screen sealing panel moulding after spraying is dried to processing, and surface forms uniform Transparent Antifogging Coatings layer within it.
4. a screen sealing panel that adopts the method described in claims 1 to 3 any one to make.
5. a television set that comprises screen sealing panel claimed in claim 4.
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