CN203418687U - A mold for producing a light guide plate - Google Patents

A mold for producing a light guide plate Download PDF

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Publication number
CN203418687U
CN203418687U CN201320480165.4U CN201320480165U CN203418687U CN 203418687 U CN203418687 U CN 203418687U CN 201320480165 U CN201320480165 U CN 201320480165U CN 203418687 U CN203418687 U CN 203418687U
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glass
mold
light guide
guide plate
lgp
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CN201320480165.4U
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Chinese (zh)
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蔡文珍
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Dongguan Xinju Optical Electr Technology Co ltd
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Dongguan Xinju Optical Electr Technology Co ltd
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Abstract

本实用新型公开了一种生产导光板的模具,包括由玻璃材质制成的玻璃上模和玻璃下模,玻璃下模设置有用于容纳浇注液并成型出导光板的模腔,模腔的形状与成品导光板的形状相匹配,模腔的底面中设置有若干用于成型出导光板表面的光学结构点的成型小凹穴或凸起部,玻璃上模的底面设置有若干用于成型出导光板表面的光学结构点的成型小凹穴或凸起部。本实用新型通过一次成型工艺即可生产出符合要求的导光板,降低设备成本和生产成本。

Figure 201320480165

The utility model discloses a mold for producing a light guide plate, comprising a glass upper mold and a glass lower mold made of glass material, the glass lower mold is provided with a mold cavity for containing a casting liquid and molding a light guide plate, the shape of the mold cavity matches the shape of the finished light guide plate, a plurality of small molding recesses or protrusions for molding optical structural points on the surface of the light guide plate are provided in the bottom surface of the mold cavity, and a plurality of small molding recesses or protrusions for molding optical structural points on the surface of the light guide plate are provided on the bottom surface of the glass upper mold. The utility model can produce a light guide plate that meets the requirements through a one-time molding process, thereby reducing equipment costs and production costs.

Figure 201320480165

Description

一种生产导光板的模具A mold for producing a light guide plate

技术领域 technical field

本实用新型涉及导光板技术领域,尤其是涉及一种生产导光板的模具。The utility model relates to the technical field of light guide plates, in particular to a mold for producing light guide plates.

背景技术 Background technique

现有技术中,导光板是通过螺杆挤出机连续挤出的,挤出成型的大板经过裁切形成小板单元,再在小板单元上进行镭射加工或热压加工,在小板单元加工出各种光学凹穴或光学凸点,导光板需要多道工序和多种加工设备,生产效率低,生产成本较高,因此有必要予以改进。In the prior art, the light guide plate is continuously extruded by a screw extruder, and the extruded large plate is cut to form a small plate unit, and then laser processing or hot pressing is performed on the small plate unit. To process various optical cavities or optical bumps, the light guide plate requires multiple processes and various processing equipment, the production efficiency is low, and the production cost is high, so it is necessary to improve it.

实用新型内容 Utility model content

针对现有技术存在的不足,本实用新型的目的是提供一种生产导光板的模具,它结构简单,设备成本低,生产效率高,降低导光板的生产成本。Aiming at the deficiencies in the prior art, the purpose of this utility model is to provide a mold for producing light guide plates, which has simple structure, low equipment cost, high production efficiency, and reduces the production cost of light guide plates.

为了实现上述目的,本实用新型所采用的技术方案是:In order to achieve the above object, the technical solution adopted in the utility model is:

一种生产导光板的模具,包括由玻璃材质制成的玻璃上模和玻璃下模,玻璃下模设置有用于容纳浇注液并成型出导光板的模腔,模腔的形状与成品导光板的形状相匹配,模腔的底面中设置有若干用于成型出导光板表面的光学结构点的成型小凹穴或凸起部,玻璃上模的底面设置有若干用于成型出导光板表面的光学结构点的成型小凹穴或凸起部。A mold for producing a light guide plate, including an upper glass mold and a lower glass mold made of glass material. The lower glass mold is provided with a mold cavity for containing a pouring liquid and forming a light guide plate. The shape of the mold cavity is the same as that of the finished light guide plate. The shapes are matched, the bottom surface of the mold cavity is provided with a number of forming small recesses or protrusions for forming the optical structure points on the surface of the light guide plate, and the bottom surface of the glass upper mold is provided with several optical points for forming the surface of the light guide plate. Formed small dimples or protrusions of structural points.

进一步的技术方案中,所述模具还包括夹具,夹具固定合模后的玻璃上模和玻璃下模。In a further technical solution, the mold further includes a clamp, and the clamp fixes the upper glass mold and the lower glass mold after mold closing.

进一步的技术方案中,所述玻璃上模和玻璃下模合模后形成的腔体的轮廓形状与成品导光板的轮廓形状相同。In a further technical solution, the outline shape of the cavity formed after the upper glass mold and the lower glass mold are molded together is the same as the outline shape of the finished light guide plate.

进一步的技术方案中,所述玻璃下模的模腔边缘设置有对应的导光板的边缘裁切形状的边缘控制腔。In a further technical solution, the edge of the mold cavity of the lower glass mold is provided with an edge control cavity corresponding to the edge cut shape of the light guide plate.

进一步的技术方案中,所述玻璃上模设置有压合部,在玻璃上模和玻璃下模合模后压合部压入到玻璃下模的模腔中。In a further technical solution, the upper glass mold is provided with a pressing portion, and the pressing portion is pressed into the mold cavity of the lower glass mold after the upper glass mold and the lower glass mold are molded together.

进一步的技术方案中,所述玻璃上模的压合部凸出于玻璃上模的底面。In a further technical solution, the pressing part of the glass upper mold protrudes from the bottom surface of the glass upper mold.

采用上述结构后,本实用新型和现有技术相比所具有的优点是:本实用新型通过一次成型工艺即可生产出符合要求的导光板,并且模芯是可以替换的,生产不同尺寸和轮廓形状的导光板,只要替换成具有相应形状的模芯即可,整个浇注设备、玻璃上模和玻璃下模是通用的,通用性强,降低设备成本和生产成本。After adopting the above structure, the utility model has the advantages compared with the prior art: the utility model can produce a light guide plate that meets the requirements through a molding process, and the mold core can be replaced, and different sizes and profiles can be produced. The shape of the light guide plate can be replaced by a mold core with a corresponding shape. The entire pouring equipment, glass upper mold and glass lower mold are common, and the versatility is strong, which reduces equipment costs and production costs.

附图说明 Description of drawings

下面结合附图和实施例对本实用新型进一步说明。Below in conjunction with accompanying drawing and embodiment the utility model is further described.

图1是本实用新型的模具的结构示意图。Fig. 1 is the structural representation of the mold of the present utility model.

图2是本实用新型的模具合模后的结构示意图。Fig. 2 is a schematic structural view of the mold of the present invention after mold closing.

图3是本实用新型的玻璃下模的结构示意图。Fig. 3 is a schematic structural view of the glass lower mold of the present invention.

图4是本实用新型成型出来的导光板的结构示意图。Fig. 4 is a structural schematic diagram of the light guide plate formed by the utility model.

图中:1、玻璃上模2、玻璃下模4、导光板5、凸起部7、模腔8、压合部。In the figure: 1. Glass upper mold 2, glass lower mold 4, light guide plate 5, raised part 7, mold cavity 8, pressing part.

具体实施方式 Detailed ways

以下所述仅为本实用新型的较佳实施例,并不因此而限定本实用新型的保护范围。The following descriptions are only preferred embodiments of the present utility model, and do not therefore limit the protection scope of the present utility model.

实施例,见图1至图4所示:一种生产导光板的模具,包括由玻璃材质制成的玻璃上模1和玻璃下模2,玻璃下模2设置有用于容纳浇注液并成型出导光板4的模腔7,模腔7的形状与成品导光板4的形状相匹配,模腔7的底面中设置有若干用于成型出导光板4表面的光学结构点的成型小凹穴或凸起部,玻璃上模1的底面设置有若干用于成型出导光板4表面的光学结构点的成型小凹穴或凸起部。玻璃上模1设置有压合部8,玻璃上模1的压合部8凸出于玻璃上模1的底面。在玻璃上模1和玻璃下模2合模后压合部8压入到玻璃下模2的模腔7中。玻璃上模1和玻璃下模2合模后形成的腔体的轮廓形状与成品导光板4的轮廓形状相同。玻璃下模2的模腔7边缘设置有对应的导光板4的边缘裁切形状的边缘控制腔。模具还包括夹具,夹具固定合模后的玻璃上模1和玻璃下模2。Embodiments, see Figures 1 to 4: a mold for producing a light guide plate, including a glass upper mold 1 and a glass lower mold 2 made of glass material, the glass lower mold 2 is provided with a mold for containing the pouring liquid and forming The mold cavity 7 of the light guide plate 4, the shape of the mold cavity 7 matches the shape of the finished light guide plate 4, and the bottom surface of the mold cavity 7 is provided with a number of forming small recesses or holes for forming the optical structure points on the surface of the light guide plate 4. Protruding part, the bottom surface of the glass upper mold 1 is provided with a number of forming small recesses or protruding parts for forming the optical structure points on the surface of the light guide plate 4 . The upper glass mold 1 is provided with a pressing portion 8 , and the pressing portion 8 of the upper glass mold 1 protrudes from the bottom surface of the upper glass mold 1 . After the glass upper mold 1 and the glass lower mold 2 are closed, the pressing part 8 is pressed into the mold cavity 7 of the glass lower mold 2 . The contour shape of the cavity formed after the upper glass mold 1 and the lower glass mold 2 are molded together is the same as the contour shape of the finished light guide plate 4 . The edge of the mold cavity 7 of the lower glass mold 2 is provided with an edge control cavity corresponding to the edge cut shape of the light guide plate 4 . The mold also includes a clamp, and the clamp fixes the glass upper mold 1 and the glass lower mold 2 after mold closing.

本实用新型的模具只有玻璃上模1和玻璃下模2,模具简单,模具成本低,用于生产导光板4,它采用浇注工艺生产,将浇注料注入到玻璃下模2的模腔7中,再使玻璃上模1和玻璃下模2合模,玻璃上模1的压合部8压入到玻璃下模2的模腔7中,再加热使浇注液发生聚合反应,从而将导光板4成型出来,并且同时成型出导光板4两个表面的光学凹穴或光学凸点。本实用新型通过一次成型工艺即可生产出符合要求的导光板4,并且模具是可以替换的,生产不同尺寸和轮廓形状的导光板4,降低设备成本和生产成本。The mold of the utility model only has a glass upper mold 1 and a glass lower mold 2. The mold is simple and the mold cost is low. It is used to produce the light guide plate 4. It is produced by a pouring process, and the pouring material is injected into the mold cavity 7 of the glass lower mold 2. , and then the upper glass mold 1 and the lower glass mold 2 are clamped, the pressing part 8 of the upper glass mold 1 is pressed into the mold cavity 7 of the lower glass mold 2, and then heated to cause the polymerization reaction of the casting liquid, so that the light guide plate 4 is formed, and the optical recesses or optical bumps on the two surfaces of the light guide plate 4 are simultaneously formed. The utility model can produce the light guide plate 4 that meets the requirements through a molding process, and the mold can be replaced, and the light guide plate 4 of different sizes and outline shapes can be produced, thereby reducing equipment costs and production costs.

以上内容仅为本实用新型的较佳实施例,对于本领域的普通技术人员,依据本实用新型的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本实用新型的限制。The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (6)

1. a mould of producing LGP, it is characterized in that: comprise glass patrix (1) and the glass counterdie (2) by glass material, made, glass counterdie (2) is provided with for holding potting syrup and molding the die cavity (7) of LGP (4), the shape of the shape of die cavity (7) and finished product LGP (4) matches, in the bottom surface of die cavity (7), be provided with some for molding the little depression of moulding or the lug boss of the optical texture point on LGP (4) surface, the bottom surface of glass patrix (1) is provided with some for molding the little depression of moulding or the lug boss of the optical texture point on LGP (4) surface.
2. a kind of mould of producing LGP according to claim 1, is characterized in that: described mould also comprises fixture, and fixture is glass patrix (1) and the glass counterdie (2) after matched moulds fixedly.
3. a kind of mould of producing LGP according to claim 1, is characterized in that: described glass patrix (1) is identical with the contour shape of finished product LGP (4) with the contour shape of the cavity forming after glass counterdie (2) matched moulds.
4. a kind of mould of producing LGP according to claim 3, is characterized in that: the edge that die cavity (7) edge of described glass counterdie (2) is provided with corresponding LGP (4) cuts the edge control chamber of shape.
5. a kind of mould of producing LGP according to claim 4, it is characterized in that: described glass patrix (1) is provided with pressing portion (8), after glass patrix (1) and glass counterdie (2) matched moulds, pressing portion (8) is pressed in the die cavity (7) of glass counterdie (2).
6. a kind of mould of producing LGP according to claim 5, is characterized in that: the pressing portion (8) of described glass patrix (1) protrudes from the bottom surface of glass patrix (1).
CN201320480165.4U 2013-08-07 2013-08-07 A mold for producing a light guide plate Expired - Fee Related CN203418687U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108995148A (en) * 2018-08-01 2018-12-14 深圳市宝明科技股份有限公司 A kind of molding die entering light sawtooth for light guide plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108995148A (en) * 2018-08-01 2018-12-14 深圳市宝明科技股份有限公司 A kind of molding die entering light sawtooth for light guide plate

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Granted publication date: 20140205

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