CN101422944A - Injection forming method of screen outer-border - Google Patents
Injection forming method of screen outer-border Download PDFInfo
- Publication number
- CN101422944A CN101422944A CNA2007101672754A CN200710167275A CN101422944A CN 101422944 A CN101422944 A CN 101422944A CN A2007101672754 A CNA2007101672754 A CN A2007101672754A CN 200710167275 A CN200710167275 A CN 200710167275A CN 101422944 A CN101422944 A CN 101422944A
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- border
- screen outer
- screen
- die
- screen outline
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding method of a screen outline border. The method comprises the following steps: first, a proper screen outline border die is chosen, a molding space of the screen outline border is distributed in the die, the die passes out from one side of the molding space where an ejection mouth is arranged; then a screw cap or screw is pre-buried in the die according to the shape of the required screen outline border; subsequently, the die is closed and the outline border materials are injected into the die from the ejection mouth; and finally, the die is opened and the finished product of the screen outline border is obtained. In the molding method, the molding space in the die can be designed into the shapes of screen outline borders which are outside-in and different in size, a plurality of finished products of screen outline borders with different sizes can be acquired simultaneously after injection molding; moreover, the structure of the screen outline borders is totally integrally molded without the complicated work like sticking, bolting or welding, therefore, not only is the cost saved, but also the damage caused by spare construction is avoided and the production yield is boosted to a big extent.
Description
Technical field
The present invention relates to a kind of injection forming method of screen outer-border.
Background technology
LCD screen is one of most important invention of twentieth century, and it is accompanied by the growth of TV, computer, and the advantage with its low power consumption, low radiation replaces conventional screen gradually, and becomes the indispensable product of every household.
And along with the lifting of material progress, humanly also improve relatively for the enjoyment in life, the work, old friend's class also gradually grows up for the demand of large scale, high parsing screen.Owing to scientific and technological progress, though the quality of LCD screen is more and more high, its price can maintain rational price, and becomes the product that most family can bear again.
Yet, though the large scale liquid crystal screen has been the trend of era development, but still have bottleneck, so that the more research and development of large scale screen produce many problems.At first, the production procedure of LCD screen has been mature technique, comprises the manufacturing of screen outer-border, the laying of the fixedly position of LCD screen, and circuit.But for the large scale screen, traditional worker's method of its housing must be determined earlier the housing size, cuts, bending, fixed screw ... etc. step, fixedly housing moulding then.As long as this wherein has a link improper, promptly may cause damage of product, the production yield of large scale screen outer-border is reduced.And take traditional worker's method, with regard to limiting its material, be generally metal, so the side might bend, fix, thereby improves the price and the weight of material.
In addition, for the large scale screen outer-border, it makes apparatus, factory building all needs bigger space, causes the production cost of large scale screen significantly to increase.But the large scale screen outer-border is to be hollow shape, and its hollow position is used for the encapsulated liquid crystal screen, and the entity area only accounts for the minority space on four limits.Therefore, the production procedure of large scale screen outer-border at present still has the space of saving, if can fill the wherein space of waste of part utilization, will help to reduce production costs.
Summary of the invention
Main purpose of the present invention is to provide a kind of injection forming method of screen outer-border, and it can significantly reduce production time and cost with the screen outer-border one-shot forming of multiple size.
Another object of the present invention is to provide a kind of injection forming method of screen outer-border, the fully integrated moulding of its frame structure need not to paste, complex work such as bolt or welding, not only saves cost, the damage of also avoiding unnecessary construction to cause makes it produce yield and significantly promotes.
Next purpose of the present invention is to provide a kind of injection forming method of screen outer-border, and it adopts light weight and the hard plastic pellet material that includes glass fibre, not only lightweight, and the intensity metal of can comparing, and reclaim easily, meet environmental protection.
Next again purpose of the present invention is to provide a kind of injection forming method of screen outer-border, and storage or cost of transportation that it saves material, finished product have also quickened the production of screen outer-border, can effectively reduce cost.
Technical scheme of the present invention is: a kind of injection forming method of screen outer-border, it at first must select a suitable screen outer-border mould, be laid with the molding space of screen outer-border in this mould, pass mould from described molding space one side and be provided with an exit wound of bullet, and according to the moulding of required screen outer-border, pre-buried required nut or screw in this mould; Then this mould is sealed, and the exit wound of bullet on mould injects outer frame material in the mould; Open mould at last, take out the screen outer-border finished product, and remove the waste material that this screen outer-border condenses at the exit wound of bullet end, and screen outer-border is transported to the moulding that relevant departments continue to finish LCD screen.
The injection forming method of screen outer-border of the present invention, the screen outer-border of different size can also be finished in same flow process, its method is design one suitable mold, molding space in this mould is for from outside to inside, the screen outer-border moulding that varies in size remains with passage between each screen outer-border moulding, behind ejection formation, can obtain the screen outer-border finished product of a plurality of different sizes simultaneously, and remove the waste material that condenses in each screen outer-border junction.
This shows, adopt technical scheme of the present invention, the fully integrated moulding of described screen outer-border structure need not to paste, complex work such as bolt or welding, not only saves cost, and the damage of also avoiding unnecessary construction to cause makes it produce yield and significantly promotes; Further, the present invention can also finish the screen outer-border of a plurality of different sizes in same flow process, significantly reduce production time and cost; And adopt light weight and the hard plastic pellet material that includes glass fibre, not only light, and the intensity metal of can comparing, and reclaim easily, meet environmental protection.
Description of drawings
Fig. 1 is a flow chart of the present invention;
Fig. 2 is embodiments of the invention figure;
Fig. 3 is the action schematic diagram that the present invention forms a plurality of screen outer-borders.
The specific embodiment
See also Fig. 1, shown in Figure 2, the present invention provides a kind of injection forming method of screen outer-border, and it comprises following flow process:
A. at first, the operator selects a suitable screen outer-border mould 2, is laid with the molding space of screen outer-border 3 in this mould 2, passes mould from moulding space one side and is provided with an exit wound of bullet 1, and according to the moulding of required screen outer-border 3, pre-buried required nut or screw 4 in this mould 2;
B. with these mould 2 sealings, make the molding space and the external world in this mould 2 only keep exit wound of bullet 1 one place's openings;
C. the exit wound of bullet on mould 21 injects outer frame material in the mould, and this outer frame material is the plastic pellet that includes glass fibre, need fuse liquid before pressurization; And
D. open mould 2, take out screen outer-border 3 finished products, and remove the waste material 5 that this screen outer-border 3 condenses at exit wound of bullet 1 end.
Because good design, the present invention can be in an ejection formation operation, and screen outer-border 3 is directly one-body molded with required nut or screw 4, reduces operating process, and avoid that other is pasted, the procedure of processing of bolt or welding, reduce the probability of damaging.
In addition, please join shown in Figure 3ly, the present invention can finish the screen outer-border 3 of different size especially in same flow process, reduces workflow.Its method is design one suitable mold 2, molding spaces in this mould 2 for from outside to inside, the screen outer-border moulding that varies in size, remain with passage between each screen outer-border 3 moulding, behind ejection formation, can obtain screen outer-border 3 finished products of a plurality of different sizes simultaneously.The waste material 6 that is condensed in different size screen outer-border junction is at last removed, and removes the waste material 5 that this screen outer-border condenses at exit wound of bullet 1 end, i.e. the screen outer-border 3 of plastic a plurality of different sizes.
Above-mentioned detailed description is to be specifically described at possible embodiments of the present invention; but this embodiment is not in order to limit scope of patent protection of the present invention; allly do not break away from skill spirit of the present invention does equivalence is implemented or change, all should be included in the scope of patent protection of the present invention.
Claims (3)
1, a kind of injection forming method of screen outer-border is characterized in that: may further comprise the steps,
A, on the screen outer-border mould Embeded nut or screw;
B, with the sealing of described mould, make the molding space that forms screen outer-border in the described mould;
C, the exit wound of bullet on described mould inject outer frame material in the described mould; And
D, open described mould, take out the screen outer-border finished product, and remove the waste material that described screen outer-border condenses at described exit wound of bullet end.
2, the injection forming method of screen outer-border according to claim 1 is characterized in that: described outer frame material is the plastic pellet that includes glass fibre, need be dissolved into liquid state before pressurization.
3, the injection forming method of screen outer-border according to claim 1, it is characterized in that: the screen outer-border moulding that the molding space in the described mould forms from outside to inside, varies in size, behind ejection formation, can obtain the screen outer-border finished product of a plurality of different sizes simultaneously, and remove the waste material that condenses in each screen outer-border junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101672754A CN101422944A (en) | 2007-10-31 | 2007-10-31 | Injection forming method of screen outer-border |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101672754A CN101422944A (en) | 2007-10-31 | 2007-10-31 | Injection forming method of screen outer-border |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101422944A true CN101422944A (en) | 2009-05-06 |
Family
ID=40613920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101672754A Pending CN101422944A (en) | 2007-10-31 | 2007-10-31 | Injection forming method of screen outer-border |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101422944A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006342A (en) * | 2009-09-03 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Fastener and shell adopting same |
| CN102006747A (en) * | 2009-09-03 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Shell |
| CN102608795A (en) * | 2012-03-29 | 2012-07-25 | 深圳市华星光电技术有限公司 | Liquid crystal display device and production method thereof |
-
2007
- 2007-10-31 CN CNA2007101672754A patent/CN101422944A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006342A (en) * | 2009-09-03 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Fastener and shell adopting same |
| CN102006747A (en) * | 2009-09-03 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Shell |
| CN102006747B (en) * | 2009-09-03 | 2015-07-29 | 鸿富锦精密工业（深圳）有限公司 | Housing |
| CN102608795A (en) * | 2012-03-29 | 2012-07-25 | 深圳市华星光电技术有限公司 | Liquid crystal display device and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090506 |