Jig for cutting off pouring gate of light-emitting diode (LED) light guide plate

Abstract

The utility model discloses an LED light guide plate sprue cutting jig which comprises a base, a stand column and a cutting jig body are installed at the top end of the base, a pressing mechanism matched with the cutting jig body is installed on the stand column, and the pressing mechanism comprises a cutter. The cutting jig comprises a jig body, a first limiting groove and a second limiting groove are formed in the jig body, and bolt holes are formed in the positions, below the first limiting groove and the second limiting groove, of the jig body. When the first limiting groove is used, a bolt hole, a through hole and a bolt below the first limiting groove are fixed to the base, then the cutter is driven by the pressing mechanism to press downwards, the LED light guide plate sprue is cut off through the cutter, and after the sprue is cut off, the lifting rod can be driven by the tension of the tension spring to ascend, so that the LED light guide plate sprue is cut off. And therefore, the operation of the subsequent dismounting procedure is not influenced.

Description

Technical Field

[0001] This utility model relates to the field of LED light guide plate gate cutting technology, specifically an LED light guide plate gate cutting fixture. Background Technology

[0002] The front small-sized light guide plate is made of optical-grade acrylic / PC plastic particles, which are hot-melt injection molded. The halftone dots processed by the mold core are transferred to the halftone dot surface of the light guide plate. The specific halftone dot structure on the surface is used to distribute the propagated light evenly across the entire surface through light transmission characteristics such as reflection and refraction.

[0003] In the manufacturing process of the light guide plate, the light guide plate body needs to be formed by injection mold. When using a two-cavity injection mold, the resin that hardens at the gate is integrally formed on the body as the gate part. Therefore, after the injection molded part is taken out of the mold, the gate part must be precisely cut off from the body of the molded part, which is called gate cutting.

[0004] The cutting of existing LED light guide plate gates is generally done manually, which is inefficient and relatively inaccurate. Summary of the Invention

[0005] The purpose of this invention is to provide an LED light guide plate gate cutting fixture to solve the problems in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an LED light guide plate gate cutting fixture, comprising a base, a column and a cutting fixture mounted on the top of the base, a pressing mechanism cooperating with the cutting fixture mounted on the column, the pressing mechanism including a cutter; the cutting fixture comprising a fixture body, a first limiting groove and a second limiting groove being provided on the fixture body, and bolt holes being provided below the first limiting groove and the second limiting groove on the fixture body.

[0007] Preferably, the first limiting groove is a triangular groove, and the second limiting groove is a semi-circular groove.

[0008] Preferably, the pressing mechanism includes a base, on which a lifting rod is adjustablely mounted, and a pressing rod for driving the lifting rod is also mounted on the base. A cutter is detachably mounted at the bottom end of the lifting rod.

[0009] Preferably, the base has a groove for installing the lifting rod, and a limit plate is installed on one side of the base near the lifting rod. One side of the lifting rod is configured with a toothed structure, and the pressing rod is installed in the base with a gear that meshes with the toothed structure.

[0010] Preferably, a bracket is installed on the top of the base, and a tension spring is installed between the bracket and the lifting rod.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: When using the first limiting groove, the bolt hole through hole bolt below the first limiting groove is fixed to the base, and then the cutting blade is driven to press down by the pressing mechanism, thereby cutting the LED light guide plate gate by the cutting blade. After the gate is cut off, the tension of the tension spring can drive the lifting rod to rise, so as not to affect the subsequent disassembly process. Compared with manual cutting, the cutting efficiency of this application is higher and the accuracy is higher. Attached Figure Description

[0012] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the structure of this utility model in use;

[0015] Figure 3 This is a schematic diagram of the cutting fixture of this utility model.

[0016] In the diagram: 1. Base; 2. Column; 3. Base; 4. Bracket; 5. Tension spring; 6. Lifting rod; 7. Pressing rod; 8. Limiting plate; 9. Cutter; 10. Cutting fixture; 101. Fixture body; 102. First limiting groove; 103. Second limiting groove. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely to represent selected embodiments of this utility model.

[0018] Please see Figure 1-3 In this embodiment of the utility model, an LED light guide plate gate cutting fixture includes a base 1, a column 2 and a cutting fixture 10 are installed on the top of the base 1, and a pressing mechanism that cooperates with the cutting fixture 10 is installed on the column 2. The pressing mechanism includes a cutter 9.

[0019] The cutting fixture 10 includes a fixture body 101, on which a first limiting groove 102 and a second limiting groove 103 are provided. Bolt holes are provided below the first limiting groove 102 and the second limiting groove 103 on the fixture body 101. The first limiting groove 102 is a triangular groove, and the second limiting groove 103 is a semi-circular groove. When the first limiting groove 102 is used, the bolt through hole of the bolt hole below the first limiting groove 102 is fixed to the base 1 (when the second limiting groove 103 is used, the bolt through hole of the bolt hole below the second limiting groove 103 is fixed to the base 1). Then, the cutting blade 9 is driven to press down by the pressing mechanism, thereby cutting the LED light guide plate gate by the cutting blade 9.

[0020] The pressing mechanism includes a base 3, on which a lifting rod 6 is adjustablely mounted. The base 3 also has a pressing rod 7 that drives the lifting rod 6. A cutter 9 is detachably mounted at the bottom end of the lifting rod 6. The base 3 has a slot for mounting the lifting rod 6, and a limiting plate 8 is mounted on one side of the base 3 near the lifting rod 6. One side of the lifting rod 6 has a toothed structure. A gear that meshes with the toothed structure is mounted inside the pressing rod 7 within the base 3. A bracket 4 is mounted on the top of the base 3. A tension spring 5 is installed between the bracket 4 and the lifting rod 6. After the gate is cut off, the tension of the spring 5 can drive the lifting rod 6 to rise, thus not affecting subsequent disassembly operations.

[0021] The working principle of this utility model is as follows: When the first limiting groove 102 is used, the bolt hole through hole bolt below the first limiting groove 102 is fixed to the base 1, and then the cutting blade 9 is driven to press down through the pressing mechanism, thereby cutting the LED light guide plate gate through the cutting blade 9. After the gate is cut off, the tension of the tension spring 5 can drive the lifting rod 6 to rise, so as not to affect the subsequent disassembly process.

[0022] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fixture for cutting the gate of an LED light guide plate, comprising a base (1), characterized in that: The base (1) is equipped with a column (2) and a cutting fixture (10) at its top. The column (2) is equipped with a pressing mechanism that cooperates with the cutting fixture (10). The pressing mechanism includes a cutter (9). The cutting fixture (10) includes a fixture body (101), on which a first limiting groove (102) and a second limiting groove (103) are provided. Bolt holes are provided on both the fixture body (101) below the first limiting groove (102) and the second limiting groove (103).

2. The LED light guide plate gate cutting fixture (10) according to claim 1, characterized in that: The first limiting groove (102) is a triangular groove, and the second limiting groove (103) is a semi-circular groove.

3. The LED light guide plate gate cutting fixture (10) according to claim 1, characterized in that: The pressing mechanism includes a base (3), on which a lifting rod (6) is adjustablely mounted. The base (3) is also equipped with a pressing rod (7) that drives the lifting rod (6). A cutter (9) is detachably mounted at the bottom end of the lifting rod (6).

4. The LED light guide plate gate cutting fixture (10) according to claim 3, characterized in that: The base (3) has a groove for installing the lifting rod (6), and a limit plate (8) is installed on one side of the lifting rod (6). The lifting rod (6) is configured with a tooth structure on one side, and the pressing rod (7) is installed in the base (3) with a gear that meshes with the tooth structure.

5. The LED light guide plate gate cutting fixture (10) according to claim 3, characterized in that: A bracket (4) is installed on the top of the base (3), and a tension spring (5) is installed between the bracket (4) and the lifting rod (6).

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