CN207758453U - It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure - Google Patents
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure Download PDFInfo
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- CN207758453U CN207758453U CN201721382179.7U CN201721382179U CN207758453U CN 207758453 U CN207758453 U CN 207758453U CN 201721382179 U CN201721382179 U CN 201721382179U CN 207758453 U CN207758453 U CN 207758453U
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- light diffusing
- embossing
- diffusing sheet
- knurling rolls
- roll assembly
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Abstract
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, first knurling rolls include roller bearing, it is embossed roller body, the conical recess of right angled triangle rotational forming, the section of conical recess is isosceles triangle, the embossing shaft body outside circumference of second knurling rolls is smooth or is equipped with regular polygon boss, is respectively used to the light diffusing sheet of molding single-sided lenses shape protrusion micro-structure, the light diffusing sheet of bilateral (side is lenticular protrusion, the other side is regular polygon concave station) micro-structure.Light diffusing sheet uniform in shaping high yield rate through the rolling of above-mentioned embossing roll assembly is up to 98% or more, and light transmittance is high and using effect is stablized.
Description
Technical field
Light diffusing sheet production technical field involved in the utility model is specially molded the pressure of light diffusing sheet circular cone micro-structure
Flower roll assembly.
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 that it is different that two refractive index are encountered in route of transmission using light by means chemically or physically
Medium when, occur refraction, reflection with scattering physics imagine, by adding nothing in the Substrate basis such as PMMA, PC, PS, PP
Machine or organic light diffusing agent or by the artificial adjustment light of array arrangement of the micro-feature structure of substrate surface, so that light is sent out
Refraction, reflection and the scattering of raw different directions realize that incident light is fully dissipated color and generated with this to change the travelling route of light
The effect of optics diffusion.
Lamps and lanterns, advertising lamp box, display screen are intended to using point, the linear light source of LED or other high brightness by side ray source
It is diffused as the area source of brightness uniformity, 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, the micro-structure of cone-shaped bulge is equipped on the surface of light diffusing sheet, the use of astigmatism masterbatch is saved with this, is being protected
Avoid influencing the light transmittance of light diffusing sheet while demonstrate,proving mist degree.But it is often difficult to make lens in traditional die press technology for forming
The micro-structured form of shape is uniform, causes the light-dispersing effect of light diffusing sheet uneven, reduces using effect.
In view of the above technical problems, the utility model proposes the embossing roll assembly groups of molding light diffusing sheet circular cone micro-structure
Part, including：First knurling rolls and the second knurling rolls, the first knurling rolls include roller bearing, are embossed roller body, and right angled triangle is rotated into
The section of the conical recess of type, conical recess is isosceles triangle, and the embossing shaft body outside circumference of the second knurling rolls is smooth
Or it is equipped with orange peel line or regular polygon boss, it is respectively used to light diffusing sheet, the bilateral (one of molding single-sided lenses shape protrusion micro-structure
Side is lenticular protrusion, the other side is orange peel line or regular polygon concave station) light diffusing sheet of micro-structure.Through above-mentioned embossing roll assembly
The light diffusing sheet uniform in shaping high yield rate of rolling is up to 98% or more, and light transmittance is high and using effect is stablized.
Invention content
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, the first pressure
Flower roller includes roller bearing, is embossed roller body, the conical recess of right angled triangle rotational forming, and the embossing roller body is socketed in roller bearing
On, the circumferencial direction of embossing roller body both ends of the surface is equipped with the rectangle concave station of multiple indents being angularly distributed, and concave station inside is close
The concave surface of knurling rolls body central axis is equipped with screw hole, and the corresponding position of roller bearing is equipped with the screw blind hole of same size, will
Bolt precession, which is embossed in the screw hole of roller body and roller bearing, is fixedly attached to embossing roller body on roller bearing, is embossed the circle of roller body
All lateral surfaces are evenly distributed with conical recess, wherein there are six the circular cones of tangency location relationship around each conical recess
Groove, the section of conical recess are isosceles triangle, and the isosceles triangle bottom edge length of side and high lumbar triangle shape bottom edge height
Degree is than being 1.8~2.5, wherein the bottom edge length of side of isosceles triangle is 150 μm~250 μm.
The knurling rolls of the structure are simple in structure and are readily disassembled installation, incoming two pressures of the light diffusing sheet after being cooled and shaped
Make micro-structure roll forming in gap between flower roller.Solid-state light diffusing sheet deformability is poor, is difficult to fill with conical recess, leads
Light diffusing sheet conic convex shape micro-structure is caused to be difficult to be molded completely, it is big to the brightening effect variation and blast amplitude of light diffusing sheet
It is small to differ, deteriorate using effect.It is limited by the size to conical recess, light diffusing sheet is pressed in the first knurling rolls and second
It is easily full of conical recess under the rolling power that flower roller applies jointly, keeps light diffusing sheet micro-structured form uniform, brightening effect is stablized.
Preferably, the embossing roll assembly of the molding light diffusing sheet circular cone micro-structure, the second knurling rolls and the first knurling rolls
Architectural difference be：The periphery for being embossed shaft body is that the smooth surface of conical recess is not arranged.Above-mentioned embossing roll assembly
For producing the micro-structure that light diffusing sheet unilateral side is conic convex shape, increment effect promotes 7% or so.
Preferably, the embossing roll assembly of the molding light diffusing sheet circular cone micro-structure, the second knurling rolls and the first knurling rolls
Architectural difference be：Be embossed shaft body periphery be equipped with regular polygon boss, wherein regular polygon be regular hexagon or
Octagon.
Above-mentioned embossing roll assembly is used for the roll forming of light diffusing sheet bilateral micro-structure, makes light diffusing sheet after molding to light
Line is repeatedly spread, and light utilization is improved.
Preferably, the embossing roll assembly of the molding light diffusing sheet circular cone micro-structure, the second embossing roller surface is just
The symmetrical centre of polygon boss is overlapped with the center of circle of the conical recess circular section of the first embossing roller surface and orientation, quantity
Density is identical.
Preferably, the embossing roll assembly of the molding light diffusing sheet circular cone micro-structure, the octagon or regular hexagon
The outer wall side of boss is formed by eight or six identical inclination isosceles trapezoid enclosings and tilts isosceles trapezoid outer wall side respectively
The normal vector angulation of face and regular polygon plane is 20 °~60 °, wherein the vector of normal is directed toward embossing shaft body
It is internal.Using the light diffusing sheet side of above-mentioned embossing roll assembly roll forming regular polygon groove madial wall have 20 °~
60 ° of inclined surface, increasing light receiving area, further increases light utilization；Secondly, the lateral wall tool of regular polygon boss
There is certain angle of inclination convenient for the entry material flowing in light diffusing sheet roll-forming process, molding effect optimization.
Preferably, the embossing roll assembly of the molding light diffusing sheet circular cone micro-structure, roller bearing are internally provided with heater.It utilizes
Roller-compaction, the temperature of light diffusing sheet are first cooled down by the smooth smooth roll in two surfaces when rolling the micro-structure of mold forming light diffusing sheet
It can decline, by adding heater inside roller bearing, the temperature close to the light diffusing sheet of embossing axis side can be made to increase and be convenient for table
Face embossing operation.
Description of the drawings：
Specific implementation mode is further described below in conjunction with the accompanying drawings, wherein：
Fig. 1 is knurling rolls component diagram in the utility model specific embodiment 1；
Fig. 2 is that the light diffusing sheet schematic diagram after roll assembly embossing molding is embossed in the utility model specific embodiment 1；
Fig. 3 is that the light diffusing sheet schematic diagram after roll assembly embossing molding is embossed in the utility model specific embodiment 2；
Fig. 4 is the signal of the regular hexagon, octagon boss of the second knurling rolls in the utility model specific embodiment 2,3
Figure；
Primary structure number explanation
Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Specific implementation mode
Case 1 is embodied：
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, the first pressure
Flower roller includes the roller bearing 1 for being internally provided with heater, is embossed roller body 2, and the conical recess 3 of right angled triangle rotational forming is described
Embossing roller body 2 is socketed on roller bearing 1, and the circumferencial direction of embossing 2 both ends of the surface of roller body is equipped with multiple indents being angularly distributed
Rectangle concave station 21, the inside of concave station 21 is equipped with screw hole 211, the phase of roller bearing 1 close to the concave surface of embossing 2 central axis of roller body
It answers position to be equipped with the screw blind hole of same size, bolt precession is embossed knurling rolls sheet in the screw hole of roller body 2 and roller bearing 1
Body 2 is fixedly attached on roller bearing 1, and be embossed the periphery face of roller body 2 is evenly distributed with conical recess 3, wherein each
There are six the conical recess 3 of tangency location relationship around conical recess 3, and the section of conical recess 3 is isosceles triangle, and
The isosceles triangle bottom edge length of side and high lumbar triangle shape bottom edge height ratio be 1.8, wherein the bottom edge length of side of isosceles triangle
It is 150 μm.
Wherein, the second knurling rolls are the smooth smooth roll in surface.The light diffusing sheet of single-sided lenses micro-structure after molding is molded
Quality is good, improves the performance of blast light diffusing sheet.
Case 2 is embodied：
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, the first pressure
Flower roller includes the roller bearing 1 for being internally provided with heater, is embossed roller body 2, and the conical recess 3 of right angled triangle rotational forming is described
Embossing roller body 2 is socketed on roller bearing 1, and the circumferencial direction of embossing 2 both ends of the surface of roller body is equipped with multiple indents being angularly distributed
Rectangle concave station 21, the inside of concave station 21 is equipped with screw hole 211, the phase of roller bearing 1 close to the concave surface of embossing 2 central axis of roller body
It answers position to be equipped with the screw blind hole of same size, bolt precession is embossed knurling rolls sheet in the screw hole of roller body 2 and roller bearing 1
Body 2 is fixedly attached on roller bearing 1, and be embossed the periphery face of roller body 2 is evenly distributed with conical recess 3, wherein each
There are six the conical recess 3 of tangency location relationship around conical recess 3, and the section of conical recess 3 is isosceles triangle, and
The isosceles triangle bottom edge length of side and height ratio of the high lumbar triangle shape on bottom edge be 2, wherein the bottom edge length of side of isosceles triangle is
200μm。
Wherein, the micro-structure in the 2 periphery face of embossing shaft body of the second knurling rolls is positive six side of rounded corner at seamed edge
Shape boss, the symmetrical centre of the regular hexagon boss are overlapped and are arranged with the center of circle of 3 circular section of conical recess in the first knurling rolls
Column direction, number density are identical, secondly, the outer wall side of regular hexagon boss by six identical inclinations isosceles trapezoids enclosings and
At and to tilt the normal vector angulation of isosceles trapezoid outer wall side and regular hexagon plane be 30 °.
The roll forming of the above-mentioned light diffusing sheet for bilateral micro-structure, molding yields are up to 98% or more, after molding
Light diffusing sheet blast rate improve 9%.
Case 3 is embodied：
It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, the first pressure
Flower roller includes the roller bearing 1 for being internally provided with heater, is embossed roller body 2, and the conical recess 3 of right angled triangle rotational forming is described
Embossing roller body 2 is socketed on roller bearing 1, and the circumferencial direction of embossing 2 both ends of the surface of roller body is equipped with multiple indents being angularly distributed
Rectangle concave station 21, the inside of concave station 21 is equipped with screw hole 211, the phase of roller bearing 1 close to the concave surface of embossing 2 central axis of roller body
It answers position to be equipped with the screw blind hole of same size, bolt precession is embossed knurling rolls sheet in the screw hole of roller body 2 and roller bearing 1
Body 2 is fixedly attached on roller bearing 1, and be embossed the periphery face of roller body 2 is evenly distributed with conical recess 3, wherein each
There are six the conical recess 3 of tangency location relationship around conical recess 3, and the section of conical recess 3 is isosceles triangle, and
The isosceles triangle bottom edge length of side and high lumbar triangle shape bottom edge height ratio be 2.5, wherein the bottom edge length of side of isosceles triangle
It is 250 μm.
Wherein, the micro-structure in the 2 periphery face of embossing shaft body of the second knurling rolls is positive eight side of rounded corner at seamed edge
Shape boss, the symmetrical centre of the octagon boss are overlapped and are arranged with the center of circle of 3 circular section of conical recess in the first knurling rolls
Column direction, number density are identical, secondly, the outer wall side of octagon boss by eight identical inclinations isosceles trapezoids enclosings and
At and to tilt the exterior normal vector angulation of isosceles trapezoid outer wall side and octagon plane be 60 °.
The roll forming of the above-mentioned light diffusing sheet for bilateral micro-structure, molding yields are up to 98% or more, after molding
Light diffusing sheet blast rate improve 11%~13%.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.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 (6)
1. it is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure, including：First knurling rolls and the second knurling rolls, the first embossing
Roller includes roller bearing, is embossed roller body, the conical recess of right angled triangle rotational forming；The embossing roller body is socketed in roller bearing
On, the circumferencial direction of embossing roller body both ends of the surface is equipped with the rectangle concave station of multiple indents being angularly distributed, and concave station inside is close
The concave surface of knurling rolls body central axis is equipped with screw hole, and the corresponding position of roller bearing is equipped with the screw blind hole of same size, will
Bolt precession, which is embossed in the screw hole of roller body and roller bearing, is fixedly attached to embossing roller body on roller bearing, is embossed the circle of roller body
All lateral surfaces are evenly distributed with conical recess, wherein there are six the circular cones of tangency location relationship around each conical recess
Groove, the section of conical recess are isosceles triangle, and the isosceles triangle bottom edge length of side and high lumbar triangle shape bottom edge height
Degree is than being 1.8~2.5, wherein the bottom edge length of side of isosceles triangle is 150 μm~250 μm.
2. the embossing roll assembly of molding light diffusing sheet circular cone micro-structure as described in claim 1, it is characterised in that：Second knurling rolls
Embossing shaft body periphery be that the smooth surface of lens recess is not set, other structures with first embossing axis it is identical.
3. the embossing roll assembly of molding light diffusing sheet circular cone micro-structure as described in claim 1, it is characterised in that：Second knurling rolls
Embossing shaft body periphery face micro-structure be seamed edge at rounded corner regular polygon boss, other structures with first embossing
Axis is identical, and wherein regular polygon is regular hexagon or octagon.
4. the embossing roll assembly of molding light diffusing sheet circular cone micro-structure as described in claim 1, it is characterised in that：Second pressure
The symmetrical centre of the regular polygon boss of flower roller surface overlaps and just more with the center of circle of lens recess circular section in the first knurling rolls
Side shape boss is identical as the orientation of lens recess and number density.
5. the embossing roll assembly of molding light diffusing sheet circular cone micro-structure as claimed in claim 3, it is characterised in that：Positive eight side
The outer wall side of the boss of shape or regular hexagon is formed respectively by eight or six identical inclination isosceles trapezoid enclosings and isosceles
Trapezium-shaped outer wall side and the angle of the normal vector of regular polygon plane are 20 °~60 °, and wherein the vector of normal is directed toward embossing axis
Body interior.
6. the embossing roll assembly of molding light diffusing sheet circular cone micro-structure as described in claim 1, it is characterised in that：It is set inside roller bearing
Having heaters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382179.7U CN207758453U (en) | 2017-10-25 | 2017-10-25 | It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721382179.7U CN207758453U (en) | 2017-10-25 | 2017-10-25 | It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207758453U true CN207758453U (en) | 2018-08-24 |
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ID=63178725
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721382179.7U Active CN207758453U (en) | 2017-10-25 | 2017-10-25 | It is molded the embossing roll assembly of light diffusing sheet circular cone micro-structure |
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| Country | Link |
|---|---|
| CN (1) | CN207758453U (en) |
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- 2017-10-25 CN CN201721382179.7U patent/CN207758453U/en active Active
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