CN101502990A - Method for producing reflection sheet lampshade - Google Patents
Method for producing reflection sheet lampshade Download PDFInfo
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- CN101502990A CN101502990A CNA2008100064525A CN200810006452A CN101502990A CN 101502990 A CN101502990 A CN 101502990A CN A2008100064525 A CNA2008100064525 A CN A2008100064525A CN 200810006452 A CN200810006452 A CN 200810006452A CN 101502990 A CN101502990 A CN 101502990A
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- reflection sheet
- plastic material
- manufacture method
- sheet lampshade
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Abstract
A manufacturing method of a reflector plate lampshade is disclosed. A plastic material with reflection ray characteristic is heated to soften the structure thereof, plastic molding is carried out by a rolling method to manufacture the reflector plate lampshade, by carrying out directly plastic molding process on the plastic material with reflection ray characteristic, the reflector plate lampshade is manufactured, thereby quickening production and saving cost.
Description
Technical field
The invention relates to a kind of manufacture method of reflection sheet lampshade, particularly impose the manufacture method that reflection sheet lampshade is made in the moulding of rolling method by direct plastic material tool reflection ray character about a kind of.
Background technology
CCFL is to be mainly scanner and to optimize LCD (Liquid Crystal Display, abbreviation LCD) backlight, and the product that belongs to LCD backlight purposes together has light emitting diode (lightemitting diode in addition, be called for short LED), because various backlights respectively have quality on luminescent quality, the characteristics of luminescence and cost of manufacture, being applied in the size of LCD panel, each is variant, and for example the LED luminosity is dark, the briliancy cost is higher, is mainly used in undersized panel; And the LCD application product of main flow also can't be luminous voluntarily at present, and must install the light emitting source assembly separately, therefore, in present stage, backlight module is an indispensable key part and component in LCD product and the planar light source product, so the product quality and the security of CCFL, also can affect the running quality of whole downstream product.
Backlight is not a kind of standard product, its element design must be with panel machine custom-made by size, when information electronics applications scope is constantly upgraded day by day, the future products market demand will significantly be grown up, and then develop towards the direction of compact, low power consumption, long-life, high briliancy at planar light source display application produce market.
The essential structure of backlight module is made up of three parts, be light source, LGP and blooming, segmentation then has assemblies such as light source, lampshade, reflecting plate (Reflector), LGP (Light guideplate), diffusion sheet (Diffusion sheet) 1-2 sheet, brightness enhancement film (Brightness enhancement film) 1-2 sheet and housing, and light source is generally with cold cathode fluorescent tube (Cold Cathode Fluorescent Lamp; CCFL) work as backlight, because it is thin that it possesses caliber, life-span is long, the light efficiency advantages of higher, the most suitable light source and its luminosity height for large size back light module, general cold-cathode tube itself can't optically focused, need cold-cathode tube is arranged in the lampshade, the light that cold cathode is sent by lampshade is done optically focused and reflection again, and lampshade is by tabular copper material in the prior art, aluminium material and stainless steel are in the mode of pressing compacting, make the lampshade of one " ㄇ " font, the reflecting layer such as the PET (Polyethyleneterephthalate that on the lampshade inner surface of this moulding, will have preferable refraction effect in addition again in the mode of stickup or coating, be called for short PET) be coated on the lampshade inner surface, so that the light that cold-cathode tube sent has the effect of optically focused and reflection.
But on using, reality have its problem to exist, may be when the lampshade raw material are imposed punch forming because application of force inequality makes the lampshade moulding angle of being produced can't consistently cause reflecting effect not good, and it is comparatively difficult at the workpiece mould development that length is long, moreover the material that also may produce the material of the inhomogeneous or reflector layer of reflector layer coating and lampshade itself when doing the coating of reflector layer can't be fitted mutually between the two and influenced the reflection and the spotlight effect of reflector layer, above-mentioned complicated production step not only has higher production cost and quality can't keyholed back plate, real is problem to be solved, so prior art has following shortcoming:
1. cost is higher;
2. manufacturing process is also comparatively numerous and diverse;
3. can't produce long workpiece;
4. reflector layer coating quality is difficult for keyholed back plate.
Be with, how to solve above-mentioned prior art problems and shortcoming, the inventor who is this case desires most ardently the direction place that research improves with the relevant manufacturer that is engaged in the industry.
Summary of the invention
In above-mentioned background of invention, in the traditional reflective sheet lampshade manufacture method, need complicated fabrication schedule and production cost is too high and production efficiency is slow excessively, and product quality is uneven, main purpose of the present invention provides a kind of manufacture method that does not need extra coating reflector layer just to have reflection ray effect and escapable cost and promote the reflection sheet lampshade of production efficiency itself.
The manufacture method of a kind of reflection sheet lampshade of proposing of the present invention is that plastic material with a tool reflection ray character makes its structure softening by heating in order to achieve the above object, and impose plastic forming by the rolling method, finished product cooling and shaping with moulding, again the finished product behind the cooling and shaping is done according to Len req and cut, and then make this reflection sheet lampshade, be processed into this reflection sheet lampshade and use to reach and produce fast and cost-effective purpose by directly the plastic material of tool reflection ray character being imposed plastic forming; So this invention has following advantage:
1, saves cost;
2, fabrication steps simple production efficient height;
3, produce workpiece size and do not have limitation;
4, do not need extra coating reflector layer.
Description of drawings
Fig. 1 is the manufacturing flow chart of preferred embodiment of the present invention;
Fig. 2 is the manufacturing flow chart of another preferred embodiment of the present invention;
Fig. 3 a is a rolling method structural scheme of mechanism of the present invention;
Fig. 3 b is a rolling method structural scheme of mechanism of the present invention;
Fig. 4 a is another rolling method structural scheme of mechanism of the present invention;
Fig. 4 b is another rolling method structural scheme of mechanism of the present invention;
Fig. 5 a is another rolling method structural scheme of mechanism of the present invention;
Fig. 5 b is another rolling method structural scheme of mechanism of the present invention;
Description of reference numerals: 2-rolling tool machine; The 21-platform; The 211-groove; The 22-roller; The 3-plastic material; The 4-roller set; The 41-upper roller; The 42-bottom roller; The 421-groove.
The specific embodiment
For reaching above-mentioned purpose and effect, the technology used in the present invention means and structure, now in conjunction with the accompanying drawings just preferred embodiment of the present invention illustrate that in detail its feature and function are as follows, in order to understanding fully.
See also Fig. 1, it is the manufacturing flow chart of preferred embodiment of the present invention, and as shown in the figure, the fabrication schedule of reflection sheet lampshade of the present invention is the method that comprises the following step:
Step 1: prepare a plastic material 11 with reflection ray character;
Be the plastic material of preparing a kind of tool reflection ray character, this kind plastic material is to have good reflecting effect for a kind of macromolecular material and to light;
Step 2: this plastic material heating is made its structure softening 12;
Be that this plastic material is done softening the processing with mode of heating, force this plastic material interior keys junction structure to be reconfigured arrangement, wherein softening the processing is to do accurate temperature control by silicon controlled rectifier (Silicon ControlledRectifier is called for short SCR);
Step 3: impose plastic forming 13 by the rolling method;
Utilize the rolling method to imposing the plastic material plastic forming that softens after handling, the rolling method is to impose processing and force this plastic material plastic forming by this plastic material of a plurality of pairs of rollers, and then makes this reflection sheet lampshade;
Step 4: finished product cooling and shaping 14;
Impose cooling processing via the reflection sheet lampshade after the processing by setting up another cold breakdown wheels, make reflection sheet lampshade interior keys junction structure firm, begin at last this reflection sheet lampshade is made following process in conjunction with also promoting the typing effect;
Step 5: finished product done cutting 15 according to Len req;
Reflection sheet lampshade after the process machine-shaping can impose by mould cutter cut-to-length sizes machine and cut operation, this mould cutter cut-to-length sizes machine is to limit the length of desiring to cut, make precisely and homogeneous, so also can obtain size accurately cutting fast in the operation through the workpiece size after cutting; Above-mentioned method can be improved the variety of problems that existing manufacture method is derived, so can reach the purpose of saving cost, promoting production efficiency by this method.
See also Fig. 2, it is the manufacturing flow chart of another preferred embodiment of the present invention, and another fabrication schedule of reflection sheet lampshade of the present invention is to comprise the following step method as shown in the figure:
Step 1: prepare a plastic material 11 with reflection ray character;
Be the plastic material of preparing a kind of tool reflection ray character, this kind plastic material is to have good reflecting effect for a kind of macromolecular material and to light;
Step 2: by feeding machine feeding plastic material 16;
Can replace semi-automatic feeding manner in the automatic feed mode by in production procedure, setting up feeding machine, and then promote production efficiency;
Step 3: set up to lead to carry out and transport plastic material 17;
Can set up to lead to carry out and transport plastic material, the amount of feeding in the time of can precisely controlling plastic material and transport;
Step 4: this plastic material heating is made its structure softening 12;
Be that this plastic material is done softening the processing with mode of heating, force this plastic material interior keys junction structure to be reconfigured arrangement, wherein softening the processing is to do accurate temperature control by silicon controlled rectifier (Silicon ControlledRectifier is called for short SCR);
Step 5: impose plastic forming 13 by the rolling method;
Utilize the rolling method to imposing the plastic material plastic forming that softens after handling, the rolling method is to impose processing and force this plastic material plastic forming by this plastic material of a plurality of pairs of rollers, and then makes this reflection sheet lampshade;
Step 6: cross replication bullet 18;
When there being a little error when excessive, can carry out angle modification to the finished product inclination angle on the made finished size, use making size more accurate by crossing this step of replication bullet as the bending inclination angle;
Step 7: finished product cooling and shaping 14;
Impose cooling processing via the reflection sheet lampshade after the processing by setting up another cold breakdown wheels, make reflection sheet lampshade interior keys junction structure firm, begin at last this reflection sheet lampshade is made following process in conjunction with also promoting the typing effect;
Step 8: finished product done cutting 15 according to Len req;
Reflection sheet lampshade after the process machine-shaping can impose by mould cutter cut-to-length sizes machine and cut operation, this mould cutter cut-to-length sizes machine is to limit the length of desiring to cut, make accurate and homogeneous, so also can obtain size accurately in cutting fast in the operation through the workpiece size after cutting.
See also Fig. 3 a, 3b, as shown in the figure, be this plastic material 3 to be imposed plastic forming in the manufacture method step of reflection sheet lampshade of the present invention by the rolling method, wherein rolling method is to be provided with 2 pairs of these plastic materials 3 of a rolling tool machine to impose plastic forming, this rolling tool machine 2 is to comprise a platform 21 and at least one roller 22, be to offer to be pressed in this groove 211 and when a groove 211 can be pressed by this roller 22 for this plastic material 3 to be identical shaped on this platform 21 with this groove 211, on this plastic material 3, repeat rolling by this roller 22 again so that this plastic material 3 moulding really, and the inclination angle angle unanimity that this plastic material 3 is extended; In addition in the finished product cooling and shaping step of this reflection sheet lampshade manufacture method, be by in rolling tool machine 2, setting up a platform 21 and at least one roller 22 in addition, and this platform 21 and roller 22 imposed cooling processing (as spraying the types of cooling such as refrigerant, liquid nitrogen), the back imposes rolling by imposing cooling processing platform 21 later with 22 pairs of this in type plastic materials 3 of roller, cools off and then promotes finalize the design effect and production efficiency by 22 pairs of these in type plastic materials 3 of this chill station 21 and cooling roller.
See also Fig. 4 a, 4b, 5a, 5b, as shown in the figure, rolling method in the manufacture method step of reflection sheet lampshade of the present invention is to impose plastic forming by 4 pairs of these plastic materials 3 of at least one roller set are set, this roller set 4 is made up of a upper roller 41 and a bottom roller 42, wherein be to offer a groove 421 on this bottom roller 42, this plastic material 3 is placed between this upper roller 41 and the bottom roller 42, and this plastic material 3 is pressed in this groove 421 via upper roller 41, rotate simultaneously by upper roller 41 and bottom roller 42 again, make this plastic material 3 be able to even moulding by the compressing of upper roller 41 and bottom roller 42; In addition in the finished product cooling and shaping step of this reflection sheet lampshade manufacture method, be by in rolling tool machine 2, setting up at least one roller set 4 in addition, and this roller set 4 imposed cooling processing (as spraying the types of cooling such as refrigerant, liquid nitrogen), the back imposes rolling by imposing cooling processing 4 pairs of this in type plastic materials 3 of roller set later, cools off and then promotes finalize the design effect and production efficiency by 4 pairs of these in type plastic materials 3 of this roller set.
Be noted that, the above only is preferred embodiment of the present invention, be not in order to restriction the present invention, if the change of doing according to conception of the present invention, in not breaking away from the present invention's spirit scope, for example: for configuration or arrange in addition conversion of kenel, for various variations, modify and use, the equivalent action that produces all should be contained in the interest field of this case.
In sum, the manufacture method of reflection sheet lampshade of the present invention for reaching its effect and purpose really, so the present invention really is the creation of a practicality excellence, for meeting the application important document of patent of invention, is filed an application in use in accordance with the law.
Claims (6)
1. the manufacture method of a reflection sheet lampshade is characterized in that, may further comprise the steps:
Prepare the plastic material of a tool reflection ray character;
Make its structure softening to this plastic material heating;
By the rolling method softening plastic material is imposed plastic forming;
Finished product cooling and shaping with moulding;
Finished product behind the cooling and shaping done according to Len req cut;
Impose plastic forming by direct plastic material, and then make this reflection sheet lampshade tool reflection ray character.
2. the manufacture method of reflection sheet lampshade according to claim 1 is characterized in that, sets up to impose curved step of rebounding to adjust the curved excessively finished product of angle after the rolling method imposes plastic forming.
3. the manufacture method of reflection sheet lampshade according to claim 1 is characterized in that, sets up feeding machine to promote production efficiency.
4. the manufacture method of reflection sheet lampshade according to claim 1 is characterized in that, sets up to lead to carry out and uses the accurate feeding of fine setting.
5. the manufacture method of reflection sheet lampshade according to claim 1 is characterized in that, finished product is done to cut being to use mould cutter cut-to-length sizes machine that finished product is imposed to block operation according to Len req.
6. the manufacture method of reflection sheet lampshade according to claim 1 is characterized in that, making its structure softening to this plastic material heating is to do accurate temperature control by silicon controlled rectifier (Silicon ControlledRectifier is called for short SCR).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100064525A CN101502990A (en) | 2008-02-04 | 2008-02-04 | Method for producing reflection sheet lampshade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100064525A CN101502990A (en) | 2008-02-04 | 2008-02-04 | Method for producing reflection sheet lampshade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101502990A true CN101502990A (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100064525A Pending CN101502990A (en) | 2008-02-04 | 2008-02-04 | Method for producing reflection sheet lampshade |
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| Country | Link |
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| CN (1) | CN101502990A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839438A (en) * | 2010-03-31 | 2010-09-22 | 达运精密工业（苏州）有限公司 | Lampshade and making method thereof |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
-
2008
- 2008-02-04 CN CNA2008100064525A patent/CN101502990A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839438A (en) * | 2010-03-31 | 2010-09-22 | 达运精密工业（苏州）有限公司 | Lampshade and making method thereof |
| CN101839438B (en) * | 2010-03-31 | 2012-02-01 | 达运精密工业（苏州）有限公司 | Lampshade and making method thereof |
| CN103869407A (en) * | 2014-03-07 | 2014-06-18 | 合肥铨励光电科技有限公司 | Cold/hot rolling thin film type highlighting light guide plate and roll-to-roll preparation method thereof |
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Open date: 20090812 |