阅读说明：本技术 一种防眩光灯具膜片的加工工艺及其防眩光灯具膜片 (Processing technology of anti-dazzle lamp diaphragm and anti-dazzle lamp diaphragm ) 是由 周鹏 沈渊 于 2019-12-13 设计创作，主要内容包括：本发明涉及一种防眩光灯具膜片的加工工艺,具体包括以下步骤：S1、对灯具膜表面上的圆弧发光面进行打磨的辊筒进行处理的过程,其分为以下几步：S2、然后通过湿涂硬压设备制作光学级PET的灯具膜膜片,再将液态UV树脂(丙烯酸脂)涂覆在光学级PET灯具膜膜片的表面；再利用辊对辊挤压的方式将步骤S1制备的辊筒表面的微凹结构转化到UV树脂上,并通过使用后期的紫外灯瞬间将UV树脂固化使灯具膜膜片表面结构定型,并保证UV树脂黏着在灯具膜膜片的表面,最终形成防眩光灯具膜片。本发明还公开了一种防眩光灯具膜片,本发明实现防眩光。(The invention relates to a processing technology of an anti-dazzle lamp diaphragm, which specifically comprises the following steps: s1, the process of processing the roller for polishing the arc light emitting surface on the surface of the lamp film comprises the following steps: s2, manufacturing an optical PET lamp film diaphragm through wet coating hard pressing equipment, and coating liquid UV resin (acrylate) on the surface of the optical PET lamp film diaphragm; and converting the micro-concave structure on the surface of the roller prepared in the step S1 to UV resin by a roll-to-roll extrusion mode, instantly curing the UV resin by using an ultraviolet lamp at a later stage to shape the surface structure of the lamp film diaphragm, ensuring that the UV resin is adhered to the surface of the lamp film diaphragm, and finally forming the anti-glare lamp diaphragm. The invention also discloses an anti-glare lamp diaphragm, and the anti-glare lamp diaphragm can realize anti-glare.)

1. A processing technology of an anti-dazzle lamp diaphragm is characterized by comprising the following steps:

s1, a process of processing the roller for polishing the arc light emitting surface on the surface of the lamp film is divided into the following parts:

(1) electroplating a layer of precise copper layer on the surface of the roller;

(2) performing surface corrosion burning on the precision copper layer on the surface of the roller by using a laser engraving machine, and gasifying the copper to change the surface of the whole precision copper layer into a continuously arranged wavy structure, wherein each semi-circular arc on the wavy structure forms an arc surface with the diameter of 30um and the depth of 12-13.5 um;

(3) carrying out surface atomization treatment on the surface of the roller prepared in the step (2) by using a sand blasting machine, and simultaneously spraying fine sand made of an alumina material by using the sand blasting machine to enable continuous alumina sand to uniformly impact the surface of the cambered surface to form irregular concave-convex pits;

s2, manufacturing an optical PET lamp film diaphragm through wet coating hard pressing equipment, and coating liquid UV resin on the surface of the optical PET lamp film diaphragm; and converting the micro-concave structure on the surface of the roller prepared in the step S1 to UV resin by a roll-to-roll extrusion mode, instantly curing the UV resin by using an ultraviolet lamp at a later stage to shape the surface structure of the lamp film diaphragm, ensuring that the UV resin is adhered to the surface of the lamp film diaphragm, and finally forming the anti-glare lamp diaphragm.

2. The processing technology of the anti-glare lamp membrane according to claim 1, wherein the processing technology comprises the following steps: the roll temperature needs to be set at 45 ℃. + -. 2 ℃ in step S2.

3. The processing technology of the anti-glare lamp membrane according to claim 1 or 2, wherein the processing technology comprises the following steps: the thickness of the copper layer of the precision copper layer is 0.1-1.5 mm.

4. The processing technology of the anti-glare lamp membrane according to claim 1 or 2, wherein the processing technology comprises the following steps: in the step (1), the precision copper layer on the surface of the roller needs to be subjected to leveling and mirror polishing treatment, and the surface roughness RA of the precision copper layer is ensured to be less than 0.02 u.

5. The processing technology of the anti-glare lamp membrane according to claim 1 or 2, wherein the processing technology comprises the following steps: the hardness of copper in the precision copper layer is in the range of 220-235 HBS.

6. The anti-glare lamp diaphragm prepared by the processing technology of the anti-glare lamp diaphragm according to claim 1, is characterized in that: the anti-dazzle lamp diaphragm comprises a base layer (1) prepared from an optical-grade PET material, wherein a liquid UV resin layer (2) is compounded on the base layer (1), an irregular layer (3) formed by rolling a roller with irregular copper layer concave-convex pits on the surface is arranged on the upper surface of the liquid UV resin layer (2), and the irregular layer (3) is of a structure capable of changing light refraction lines.

7. Surface rolling equipment for preparing the anti-dazzle lamp membrane as claimed in claim 6, wherein the surface rolling equipment comprises the following components in parts by weight: the device comprises a first roller (4) and a second roller (5), wherein the first roller (4) and the second roller (5) are matched with each other, the surface of the second roller (5) is electroplated with a layer of precise copper layer (6), the upper surface of the precise copper layer (6) is burnt through corrosion to form a continuously arranged wavy structure (6), fine sand made of aluminum oxide is sprayed and distributed on the wavy structure (6), and concave and convex pits are formed by matching the fine sand and the wavy structure (6).

8. The surface rolling apparatus for anti-glare lamp membrane according to claim 7, wherein: the diameter of each half-circular arc on the wavy structure (6) is 30um, and the depth is 12-13.5 um.

Technical Field

The invention relates to the technical field of anti-glare of lamps, in particular to a processing technology of an anti-glare lamp diaphragm and the anti-glare lamp diaphragm.

Background

With the popularization of LEDs, more and more light is LED light sources, LEDs are point light sources, if direct irradiation is performed, the problem is solved by providing a layer of light-transmitting film on the LED light, and the brightness is not uniform, therefore, the surface of the light-transmitting film is generally designed with various structures, and according to the requirements of customers, the structures are different, so as to achieve different optical effects, but due to the addition of the layer of light-transmitting film, the problem of anti-glare is solved, but the brightness is finally attenuated, for example, as shown in fig. 1 and 2, the structure of the conventional lens (the distance from the center point of the equivalent single lens to the surface of the sensor) is composed of numerous hemispherical bulges with high equal intervals, as shown in fig. 1 and 2, the function of the structure is to change the point light sources into surface light sources, but considering that the structure has obvious regularity, the problem of glare is easily caused in a certain angle, the brightness distribution is not uniform in the visual field of people, and the problem of visual discomfort caused by large bright-dark contrast occurs, so how to solve the problem is particularly important.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a process for manufacturing an anti-glare lamp film, which improves the degree of lamp fogging and reduces the possibility of glare while ensuring minimum brightness attenuation.

In order to solve the technical problems, the technical scheme of the invention is as follows: a processing technology of an anti-dazzle lamp diaphragm specifically comprises the following steps:

s1, a process of processing the roller for polishing the arc light emitting surface on the surface of the lamp film is divided into the following parts:

(1) electroplating a layer of precise copper layer on the surface of the roller;

(2) performing surface corrosion burning on the precision copper layer on the surface of the roller by using a laser engraving machine, and gasifying the copper to change the surface of the whole precision copper layer into a continuously arranged wavy structure, wherein each semi-circular arc on the wavy structure forms an arc surface with the diameter of 30um and the depth of 12-13.5 um;

(3) carrying out surface atomization treatment on the surface of the roller prepared in the step (2) by using a sand blasting machine, and simultaneously spraying fine sand made of an alumina material by using the sand blasting machine to enable continuous alumina sand to uniformly impact the surface of the cambered surface to form irregular concave-convex pits;

s2, manufacturing an optical PET lamp film diaphragm through wet coating hard pressing equipment, and coating liquid UV resin (acrylate) on the surface of the optical PET lamp film diaphragm; and converting the micro-concave structure on the surface of the roller prepared in the step S1 to UV resin by a roll-to-roll extrusion mode, instantly curing the UV resin by using an ultraviolet lamp at a later stage to shape the surface structure of the lamp film diaphragm, ensuring that the UV resin is adhered to the surface of the lamp film diaphragm, and finally forming the anti-glare lamp diaphragm.

Further, in order to improve the operation efficiency and the final composite effect, the roll temperature needs to be set at 45 ℃ ± 2 ℃ in step S2.

Further, in order to ensure the final composite effect, the thickness of the copper layer of the precision copper layer is 0.1-1.5 mm.

Further, in the step (1), the precision copper layer on the surface of the roller needs to be subjected to leveling and mirror polishing treatment, and the surface roughness RA of the precision copper layer is ensured to be less than 0.02 u.

Further, the hardness of copper in the precision copper layer is in the range of 220-235 HBS.

The invention also discloses an anti-dazzle lamp membrane which comprises a base layer prepared from the optical-grade PET material, wherein a liquid UV resin layer is compounded on the base layer, an irregular layer formed by rolling a roller with irregular copper layer concave-convex pits on the surface is arranged on the upper surface of the liquid UV resin layer, and the irregular layer is of a structure capable of changing light refraction rays.

The invention also discloses surface rolling equipment for preparing the anti-dazzle lamp diaphragm, which comprises a first roller and a second roller, wherein the first roller and the second roller are matched with each other, the surface of the second roller is electroplated with a layer of precise copper layer, the upper surface of the precise copper layer is burnt through corrosion to form a continuously arranged wavy structure, fine sand made of aluminum oxide is sprayed and distributed on the wavy structure, and concave and convex pits are formed by matching the fine sand and the wavy structure.

Further, the diameter of each half-circular arc on the wavy structure is 30um, and the depth is 12-13.5 um.

Compared with the prior art, the invention has the following beneficial technical effects: according to the invention, under the condition of not changing the product performance, the glare index UGR can be controlled to be about 16, and the atmosphere is just the optimal range which can not generate glare, so that the glare problem is well solved, and the production cost of the anti-glare lamp diaphragm is not increased.

Drawings

FIG. 1 is a top view of a prior art lens structure;

FIG. 2 is a perspective view of a prior art lens structure;

FIG. 3 is a schematic view of a processing apparatus for a film of an anti-glare lamp in the embodiment 1;

FIG. 4 is a front view of an anti-glare lamp membrane of the present embodiment 1;

fig. 5 is a schematic view of a semicircular arc structure in the present embodiment 1.

Wherein: a base layer 1; a liquid UV resin layer 2; an irregular layer 3; a first roller 4; a second roller 5; a wave-like structure 6; an unwinding mechanism 8; a winding mechanism 9; a first guide roller 10; a second guide roller 12.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.