High-brightness LGP plate extrusion net point integrated forming device

The Gaohui LGP sheet extrusion dot-forming device utilizes the coordinated rotation of the extrusion roller and the dot-forming roller to complete the extrusion and dot formation of the light guide plate at high temperature, solving the problems of space occupation and temperature control in the existing technology, and improving the brightness and production efficiency of the light guide plate.

CN224028191UActive Publication Date: 2026-03-24CHANGZHOU AOZHI OPTOELECTRONICS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the existing light guide plate manufacturing process, the additional heating and rolling process increases the factory's floor space and labor costs. At the same time, improper temperature control affects the dot imprinting effect, making it difficult to achieve integrated extrusion dot molding.

Method used

The device employs a high-performance LGP sheet extrusion dot-forming integrated molding unit. Through the coordinated rotation of the first to third extrusion rollers and the dot-forming roller in the molding component, at least two extrusion molding processes are performed, and the dot-forming is completed at high temperature. The temperature is monitored by the adjustment unit and the temperature measuring unit to achieve synchronous processing of the dots.

Benefits of technology

This technology integrates the extrusion of light guide plates with halftone dot fabrication, improving dot transfer rate and brightness, reducing floor space and labor costs, and ensuring the quality and efficiency of halftone dot formation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-brightness LGP plate extrusion net point integrated forming device which comprises a supporting frame, an output box is arranged at the top of one side of the supporting frame, and a forming assembly is installed on the supporting frame. The forming assembly comprises a first extrusion roller, a second extrusion roller, a third extrusion roller, a conveying roller and a point making roller which are sequentially arranged in the direction from the movement starting point to the movement ending point. The first extrusion roller, the third extrusion roller, the conveying roller and the point making roller rotate clockwise at the same speed, the second extrusion roller rotates anticlockwise at the same speed, and the first extrusion roller and the second extrusion roller operate to conduct first-time extrusion forming on a plate material; and the operation actions of the second extrusion roller and the third extrusion roller form second-time extrusion forming of the plate material. The device realizes the extrusion net point integrated forming process of the light guide plate plate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to light guide plate forming technical field, concretely relates to high LGP panel extrusion dot integrated forming device. BACKGROUND

[0002] LGP is light guide plate, is made with optical grade acrylic or PC panel, then with high refractive index and not light-absorbing high-tech material is engraved on the bottom surface of optical grade acrylic plate with laser engraving, V cross grid engraving, ultraviolet screen printing technology and is widely used in liquid crystal display and lamp fields.

[0003] In the production process of light guide plate panel, usually an additional heating rolling process is used to carry out dot impression, which will increase the factory floor space and labor cost investment, and when temperature control is not good, it will also lead to the dot impression effect, how to realize the extrusion dot integrated forming in the production process of light guide plate becomes the problem to be solved by the personnel in the field. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high LGP panel extrusion dot integrated forming device to solve the problems in the background art.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: high LGP panel extrusion dot integrated forming device, including support frame, the one side top of support frame is provided with output box, its characterized in that: the forming assembly is installed on the support frame, and the forming assembly includes first extrusion roller, second extrusion roller, third extrusion roller, conveying roller and point making roller arranged in turn from the movement starting point to the movement terminal point direction.

[0006] The utility model further illustrates that the operation action of the first extrusion roller and the second extrusion roller forms the first extrusion forming of the panel material.

[0007] The operation action of the second extrusion roller and the third extrusion roller forms the second extrusion forming of the panel material.

[0008] The utility model further illustrates that the center roller of the point making roller is penetrated and connected with the adjusting part, the adjusting part is L-shaped, and the first through hole is formed in the horizontal direction of the adjusting part, the second through hole is formed in the vertical direction of the adjusting part, and the first through hole is connected with the center roller bearing of the point making roller.

[0009] The utility model further illustrates that the support frame is equipped with an adjusting groove at the position corresponding to the adjusting part, and the adjusting groove is in sliding connection with the adjusting part.

[0010] The utility model further illustrates that the lower side of the support frame is fixedly connected with a plurality of trusses, the truss near the adjusting groove is fixedly connected with a connecting frame, the top of the connecting frame is fixed on the support frame, the inward side of the connecting frame is fixedly connected with an extension part, and the output end of the extension part penetrates and is fixedly connected with a second through hole.

[0011] The utility model further illustrates that the adjusting part is fixed with a supporting spring on the bottom surface inside the adjusting groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the utility model adopts a forming assembly, at least twice extrusion forming is carried out on the plate material, the conveying roller and the dot making roller keep the same direction and speed rotation with the third extrusion roller, are used for carrying out the dot forming process on the plate material under high temperature transmission, realize plate extrusion and dot making integration, process the dot before the light guide plate is cooled, improve the transcription rate of the dot, thereby improving the brightness. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.In the drawings:

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the sectional structure schematic diagram of the adjusting part of the utility model;

[0016] Figure 3 It is the sectional structure schematic diagram of the forming assembly of the utility model;

[0017] In the drawing: 1, support frame; 2, output box; 3, first extrusion roller; 4, second extrusion roller; 5, third extrusion roller; 6, conveying roller; 7, dot making roller; 8, truss; 9, adjusting groove; 10, connecting frame; 11, extension part; 12, adjusting part; 121, first through hole; 122, second through hole; 13, first temperature measuring part; 14, second temperature measuring part; 15, third temperature measuring part. DETAILED DESCRIPTION

[0018] The utility model discloses a further non-restrictive detailed description of the technical scheme of the utility model with reference to the preferred embodiments and the drawings thereof. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figures 1-3 The utility model provides technical scheme: high bright LGP panel extrusion net dot integrated forming device, including support frame 1, the support frame 1 is installed for the forming assembly of light guide plate preparation, the top of one side of support frame 1 is provided with output box 2, and the lower end of output box 2 is opposite the movement starting point of forming assembly, and output box 2 is used to output panel material downward, to make light guide plate.

[0020] Specifically, the forming assembly includes first extrusion roller 3, second extrusion roller 4 and third extrusion roller 5 arranged in sequence from the movement starting point to the movement ending point, the central rollers of the first extrusion roller 3, the second extrusion roller 4 and the third extrusion roller 5 are connected to the support frame 1 through bearings, and one end penetrates the support frame 1 and is connected with a power drive, Figure 3 The first extrusion roller 3 and the third extrusion roller 5 rotate at the same speed in the clockwise direction, and the second extrusion roller 4 rotates at the same speed in the counterclockwise direction.

[0021] The running actions of the first extrusion roller 3 and the second extrusion roller 4 form the first extrusion molding of the panel material, and the running actions of the second extrusion roller 4 and the third extrusion roller 5 form the second extrusion molding of the panel material. Through at least twice extrusion, the extrusion molding process of the light guide plate is completed.

[0022] In addition, the forming assembly further includes a conveying roller 6 and a dot-making roller 7. The conveying roller 6 and the dot-making roller 7 rotate at the same speed in the same direction as the third extrusion roller 5. The dot-making roller 7 is used for net dot molding of the panel under high temperature transmission. The central roller of the conveying roller 6 is connected to the support frame 1 through a bearing, and one end penetrates the support frame 1 and is connected with a power drive to assist in providing power for the movement of the panel. In this way, the extrusion net dot integrated molding process is completed.

[0023] The central roller of the dot-making roller 7 penetrates both ends and is connected with an adjusting part 12 through a bearing, as shown in Figure 2 The adjusting part 12 is L-shaped, and a first through hole 121 is formed in the horizontal direction of the adjusting part 12, and a second through hole 122 is formed in the vertical direction of the adjusting part 12. The first through hole 121 is connected with the central roller of the dot-making roller 7 through a bearing.

[0024] An adjusting groove 9 is formed in the position corresponding to the adjusting part 12 of the support frame 1, and the adjusting groove 9 is connected with the adjusting part 12 through sliding. The adjusting part 12 is fixed with a supporting spring on the bottom surface inside the adjusting groove 9.

[0025] The lower side of the support frame 1 is fixedly connected with a plurality of trusses 8, wherein the truss 8 near the adjusting groove 9 is fixedly connected with a connecting frame 10, the connecting frame 10 is in a shape of a Chinese character 'fang', the upper part is short and the lower part is long, the top of the connecting frame 10 is fixed on the support frame 1, the inward side of the connecting frame 10 is fixedly connected with an extension part 11, the output end of the extension part 11 penetrates and is fixedly connected with the second through hole 122, the retraction of the output end of the extension part 11 drives the position of the adjusting part 12 and the dot making roller 7 to move downward, and the height of the dot making roller 7 can be adjusted according to actual use requirements, such as the thickness of the plate, the dot contact area and the like.

[0026] In addition, one end of the center roller of the dot making roller 7 is also connected with a power drive, and when the extension part 11 is retracted, the power drive can be synchronously moved to ensure the normal rotation of the dot making roller 7.

[0027] Reference Figure 3 The first temperature measuring part 13, the second temperature measuring part 14 and the third temperature measuring part 15 are all signal connected with a control screen, through monitoring the temperature difference, the cooling range and whether the temperature required for forming meets the regulation are quickly obtained, when the low temperature phenomenon that does not meet the forming appears, the control screen sends an alarm, indicating that the temperature at this time has a problem and is not conducive to the forming effect.

[0028] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0029] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A high-performance LGP sheet extrusion dot integral forming device, comprising a support frame (1), wherein an output box (2) is provided on the top of one side of the support frame (1), characterized in that: The support frame (1) is equipped with a forming component, which includes a first extrusion roller (3), a second extrusion roller (4), a third extrusion roller (5), a conveying roller (6), and a dotting roller (7) arranged sequentially from the starting point to the ending point of movement. The first extrusion roller (3), the third extrusion roller (5), the conveying roller (6), and the dotting roller (7) rotate clockwise at the same speed, while the second extrusion roller (4) rotates counterclockwise at the same speed.

2. The high-performance LGP sheet extrusion dot integral forming device according to claim 1, characterized in that: The operation of the first extrusion roller (3) and the second extrusion roller (4) forms the first extrusion molding of the sheet material; The operation of the second extrusion roller (4) and the third extrusion roller (5) forms a second extrusion molding of the sheet material.

3. The high-performance LGP sheet extrusion dot integral forming device according to claim 1, characterized in that: The center roller of the dotting roller (7) has an adjustment part (12) that is connected to both ends of the center roller and is bearing the adjustment part (12). The adjustment part (12) is L-shaped and has a first through hole (121) in the horizontal direction and a second through hole (122) in the vertical direction. The first through hole (121) is connected to the center roller bearing of the dotting roller (7).

4. The high-brightness LGP sheet extrusion dot integrated forming device according to claim 3, characterized in that: The support frame (1) has an adjustment groove (9) at the position corresponding to the adjustment part (12), and the adjustment groove (9) is slidably connected to the adjustment part (12).

5. The high-brightness LGP sheet extrusion dot integrated forming device according to claim 4, characterized in that: The lower side of the support frame (1) is fixedly connected to several trusses (8), among which the truss (8) near the adjustment groove (9) is fixedly connected to a connecting frame (10), the top of the connecting frame (10) is fixed to the support frame (1), and the inner side of the connecting frame (10) is fixedly connected to a telescopic part (11), the output end of the telescopic part (11) passes through and is fixedly connected to the second through hole (122).

6. The high-brightness LGP sheet extrusion dot integrated forming device according to claim 5, characterized in that: The adjustment part (12) is located on the bottom surface inside the adjustment groove (9) and a support spring is fixed thereon.

7. The high-brightness LGP sheet extrusion dot integrated forming device according to claim 1, characterized in that: A first temperature measuring unit (13) is independently provided between the third extrusion roller (5) and the conveying roller (6), a second temperature measuring unit (14) is independently provided between the conveying roller (6) and the dotting roller (7), and a third temperature measuring unit (15) is provided on the other side of the dotting roller (7).

8. The high-brightness LGP sheet extrusion dot integrated forming device according to claim 7, characterized in that: The first temperature measuring unit (13), the second temperature measuring unit (14), and the third temperature measuring unit (15) are all connected to a control panel.