CN207523025U - A kind of knurling rolls for light diffusing sheet blast micro-structured form - Google Patents
A kind of knurling rolls for light diffusing sheet blast micro-structured form Download PDFInfo
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- CN207523025U CN207523025U CN201721382307.8U CN201721382307U CN207523025U CN 207523025 U CN207523025 U CN 207523025U CN 201721382307 U CN201721382307 U CN 201721382307U CN 207523025 U CN207523025 U CN 207523025U
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- light diffusing
- diffusing sheet
- knurling rolls
- roller body
- roller bearing
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Abstract
A kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing, it is embossed roller body, cross section is symmetrical arc-shaped cylindrical recesses, the embossing roller body is socketed on roller bearing, the periphery face of embossing roller body is evenly distributed with circumferentially extending and end to end arc-shaped cylindrical recesses, by light diffusing sheet after molding being made to reach different translucent effects the setting of arc-shaped cylindrical recesses size, meanwhile, tilting the setting of concave station makes the molding effect of light diffusing sheet micro-structure more preferably.
Description
Technical field
Light diffusing sheet production technical field involved in the utility model, it is specially a kind of to be used for light diffusing sheet blast micro-structure
Molding knurling rolls.
Background technology
Light diffusing sheet is also known as equal tabula rasa, expands tabula rasa, has many characteristics, such as high diffusibility, high transparency, blocks light source, is liquid crystal
Important spare part in display, LED illumination and imaging display system.
Light diffusing sheet is by means chemically or physically, and it is different that two refractive index are encountered in route of transmission using light
Medium when, occur refraction, reflection with scattering physics imagine, by adding nothing in the Substrate basis such as PMMA, PC, PS, PP
Machine or the artificial adjustment light of the array of organic light diffusing agent or the micro-feature structure for passing through substrate surface arrangement send out light
Refraction, reflection and the scattering of raw different directions so as to change the travelling route of light, realize that incident light is fully dissipated color and generated with this
The effect of optics diffusion.
Lamps and lanterns, advertising lamp box, display screen are intended to a side ray source using point/line source of LED or other high brightness
The area source of brightness uniformity is diffused as, the higher the better for mist degree, the light transmittance of light diffusing sheet.Traditional light diffusing sheet is in transparent panel
Astigmatism masterbatch is added in material, but the addition of astigmatism masterbatch excessively improves mist degree while also reduces light transmittance, on solving
Technical problem is stated, lentiform micro-structure is equipped on the surface of light diffusing sheet, saves the use of astigmatism masterbatch successively, is ensureing mist
Avoid influencing the light transmittance of light diffusing sheet while spending.But it is often difficult to make in traditional die press technology for forming lentiform
Micro-structured form is uniform, and the light-dispersing effect for causing light diffusing sheet is uneven, reduces using effect.
For above-mentioned technical problem, the utility model proposes a kind of embossing for light diffusing sheet blast micro-structured form
Roller, including：Roller bearing is embossed roller body, and cross section is symmetrical arc-shaped cylindrical recesses, and the embossing roller body is socketed in
On roller bearing, being embossed the periphery face of roller body, to be uniformly distributed circumferentially extending and end to end arc-shaped column recessed
Slot, by light diffusing sheet after molding being made to reach different translucent effects the setting of arc-shaped cylindrical recesses size, meanwhile, incline
The setting of oblique concave station makes the molding effect of light diffusing sheet micro-structure more preferably.
Invention content
A kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing 1 is embossed roller body 2, cross section
For symmetrical arc-shaped cylindrical recesses 3, the embossing roller body 2 is socketed on roller bearing 1, embossing 2 both ends of the surface of roller body
Circumferencial direction is equipped with the rectangle concave station 21 of multiple indents being angularly distributed, and 21 inside of concave station is close to embossing 2 central shaft of roller body
The concave surface of line is equipped with screw hole 211, and the corresponding position of roller bearing 1 is equipped with the screw blind hole of same size, bolt precession is embossed
Embossing roller body 2 is fixedly attached on roller bearing 1 in the screw hole of roller body 2 and roller bearing 1, is embossed the periphery of roller body 2
Face is evenly distributed with circumferentially and end to end arc-shaped cylindrical recesses 3.
The knurling rolls of the structure are simple in structure and are readily disassembled installation, suitable for light diffusing sheet surface micro-structure rolling into
Type.
Preferably, the knurling rolls for light diffusing sheet blast micro-structured form, adjacent circular arc shape cylindrical recesses 3 are mutual
Close cambered surface intersects at same seamed edge 31.After above-mentioned knurling rolls roll forming, the micro-structure of arc-shaped prismatic mirror is spread in light
Plate matrix surface can make light transmittance, the mist degree uniformity of light diffusing sheet entire area in continuously arranging shoulder to shoulder.
Preferably, the knurling rolls for light diffusing sheet blast micro-structured form, between adjacent circular arc shape cylindrical recesses 3
It is connected by platform 32, wherein the width of platform 32 is 1~20 μm.After above-mentioned knurling rolls roll forming, arc-shaped prismatic mirror
Micro-structure arranges shoulder to shoulder in light diffusing sheet matrix surface in discontinuous, and the width of platform is bigger, light diffusing sheet base after molding
The micro-structure density in body surface face is smaller, and light transmittance is lower, and mist degree is better, and platform is reasonably selected according to actual demand in reality production
Width.
Preferably, the knurling rolls for light diffusing sheet blast micro-structured form, arc-shaped cylindrical recesses 3 it is transversal
Face is semicircle, and radius is 100~180 μm.The arc-shaped cylindrical recesses 3 of the size can carry the light luminance of light diffusing sheet
It is high by 6%~9%.
Preferably, the knurling rolls for light diffusing sheet blast micro-structured form, roller bearing 1 are internally provided with heater.Profit
Roller-compaction, the temperature of light diffusing sheet are first cooled down by the smooth smooth roll in two surfaces with during the micro-structure for rolling mold forming light diffusing sheet
Degree can decline, and by adding heater inside roller bearing 1, can be convenient for the temperature raising close to the light diffusing sheet of embossing axis side
Embossed surface operates.
Description of the drawings：
Specific embodiment is further described below in conjunction with the accompanying drawings, wherein：
Fig. 1 is knurling rolls schematic diagram in the utility model specific embodiment 1；
Fig. 2 is the light diffusing sheet schematic cross-section after knurling rolls embossing in the utility model specific embodiment 1；
Fig. 3 is knurling rolls schematic diagram in the utility model utility model specific embodiment 3；
Fig. 4 is the light diffusing sheet schematic cross-section after knurling rolls embossing in the utility model specific embodiment 3；
Primary structure number explanation
Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Specific embodiment
Case 1 is embodied：
A kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing 1 is embossed roller body 2, cross section
For symmetrical arc-shaped cylindrical recesses 3, the embossing roller body 2 is socketed on roller bearing 1, embossing 2 both ends of the surface of roller body
Circumferencial direction is equipped with the rectangle concave station 21 of the rectangle concave station 21 of multiple indents being angularly distributed, and 21 inside of concave station is close to embossing
The concave surface of 2 central axis of roller body is equipped with screw hole 211, and the corresponding position of roller bearing 1 is equipped with the screw blind hole of same size, will
Bolt precession, which is embossed in the screw hole of roller body 2 and roller bearing 1, is fixedly attached to embossing roller body 2 on roller bearing 1, is embossed roller body
2 periphery face is evenly distributed with circumferentially extending and end to end arc-shaped cylindrical recesses 3.
Wherein, the cambered surface adjacent to each other of adjacent circular arc shape cylindrical recesses 3 intersects at same seamed edge 31, arc-shaped cylindrical recesses
3 cross section is the semicircle of 100 μm of radius, and roller bearing 1 is internally provided with heater.
Above-mentioned knurling rolls are simple in structure, installation easy to disassemble, and the micro-structured form for being easy to implement arc-shaped prismatic mirror is equal
It is even, promote the light transmittance of light diffusing sheet entire area, using effect optimization.
Case 2 is embodied：
A kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing 1 is embossed roller body 2, cross section
For symmetrical arc-shaped cylindrical recesses 3, the embossing roller body 2 is socketed on roller bearing 1, embossing 2 both ends of the surface of roller body
Circumferencial direction is equipped with the rectangle concave station 21 of the rectangle concave station 21 of multiple indents being angularly distributed, and 21 inside of concave station is close to embossing
The concave surface of 2 central axis of roller body is equipped with screw hole 211, and the corresponding position of roller bearing 1 is equipped with the screw blind hole of same size, will
Bolt precession, which is embossed in the screw hole of roller body 2 and roller bearing 1, is fixedly attached to embossing roller body 2 on roller bearing 1, is embossed roller body
2 periphery face is evenly distributed with circumferencial direction extension and end to end arc-shaped cylindrical recesses 3.
Wherein, the cambered surface adjacent to each other of adjacent circular arc shape cylindrical recesses 3 intersects at same seamed edge 31, arc-shaped cylindrical recesses
3 cross section is the semicircle of 145 μm of radius, and roller bearing 1 is internally provided with heater.
Above-mentioned knurling rolls are simple in structure, installation easy to disassemble, and the micro-structured form for being easy to implement arc-shaped prismatic mirror is equal
It is even, promote the light transmittance of light diffusing sheet entirety, using effect optimization.
Case 3 is embodied：
A kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing 1 is embossed roller body 2, cross section
For symmetrical arc-shaped cylindrical recesses 3, the embossing roller body 2 is socketed on roller bearing 1, embossing 2 both ends of the surface of roller body
Circumferencial direction is equipped with the rectangle concave station 21 of the rectangle concave station 21 of multiple indents being angularly distributed, and 21 inside of concave station is close to embossing
The concave surface of 2 central axis of roller body is equipped with screw hole 211, and the corresponding position of roller bearing 1 is equipped with the screw blind hole of same size, will
Bolt precession, which is embossed in the screw hole of roller body 2 and roller bearing 1, is fixedly attached to embossing roller body 2 on roller bearing 1, is embossed roller body
2 periphery face is evenly distributed with circumferencial direction extension and end to end arc-shaped cylindrical recesses 3.
Wherein, it is connected between adjacent circular arc shape cylindrical recesses 3 by platform 32, the width of platform 32 is 1 μm, arc-shaped
Semicircle of the cross section of cylindrical recesses 3 for 175 μm of radius, the heater being internally provided with for light diffusing sheet to be made to heat up of roller bearing 1.
Above-mentioned knurling rolls are simple in structure, installation easy to disassemble, and the micro-structure for being easy to implement arc-shaped prismatic mirror is uniformly rolled
It is molded, promote the light transmittance of light diffusing sheet entire area, using effect optimization.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of knurling rolls for light diffusing sheet blast micro-structured form, including：Roller bearing, is embossed roller body, and cross section is a left side
Right symmetrical arc-shaped cylindrical recesses, the embossing roller body are socketed on roller bearing, it is characterised in that：It is embossed roller body both ends of the surface
Circumferencial direction be equipped with the rectangle concave stations of multiple indents being angularly distributed, close to knurling rolls body central axis inside concave station
Concave surface is equipped with screw hole, and the corresponding position of roller bearing is also equipped with the screw blind hole of same size, and bolt precession is embossed roller body
And embossing roller body is fixedly attached on roller bearing in the screw hole of roller bearing, the periphery face for being embossed roller body is evenly distributed with
Circumferentially extending and end to end arc-shaped cylindrical recesses.
2. it to be used for the knurling rolls of light diffusing sheet blast micro-structured form as described in the appended claim 1, it is characterised in that：Adjacent circular arc
Shape cylindrical recesses cambered surface adjacent to each other intersects at same seamed edge.
3. it to be used for the knurling rolls of light diffusing sheet blast micro-structured form as described in the appended claim 1, it is characterised in that：Adjacent circular arc
It is connected between shape cylindrical recesses by platform, wherein the width of platform is 1~20 μm.
4. it to be used for the knurling rolls of light diffusing sheet blast micro-structured form as described in the appended claim 1, it is characterised in that：Arc-shaped column
The cross section of shape groove is semicircle, and radius is 100~175 μm.
5. the knurling rolls of light diffusing sheet blast micro-structured form to be used for as described in any in Claims 1 to 4, it is characterised in that：
Roller bearing is internally provided with heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382307.8U CN207523025U (en) | 2017-10-25 | 2017-10-25 | A kind of knurling rolls for light diffusing sheet blast micro-structured form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382307.8U CN207523025U (en) | 2017-10-25 | 2017-10-25 | A kind of knurling rolls for light diffusing sheet blast micro-structured form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207523025U true CN207523025U (en) | 2018-06-22 |
Family
ID=62570804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721382307.8U Active CN207523025U (en) | 2017-10-25 | 2017-10-25 | A kind of knurling rolls for light diffusing sheet blast micro-structured form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207523025U (en) |
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2017
- 2017-10-25 CN CN201721382307.8U patent/CN207523025U/en active Active
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