Injection mold for thick-wall light guide of car lamp

Abstract

The utility model discloses an injection mold for a thick-wall light guide of a car lamp, which comprises a mold main body, and a detachable mold core is mounted on the mold main body. And mold mounting holes for mounting the mold main body are formed in four corners of the mold main body. Mold core mounting holes for mounting the detachable mold core are formed in the four corners of the detachable mold core, and four mold core mounting bolts in one-to-one correspondence with the mold core mounting holes are arranged at the positions, corresponding to the mold core mounting holes, of the detachable mold core. And the detachable mold core is fixedly mounted on the mold main body through the four mold core mounting bolts. According to the injection mold disclosed by the utility model, the detachable mold core which is convenient to detach is arranged, when the detachable mold core is damaged, the detachable mold core is convenient to replace, and meanwhile, the mold core insert pin is arranged at the edge of the mold core main body, so that the uniform light color of an injection product of the injection mold disclosed by the utility model is increased, and the practicability of the injection mold is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially relates to a car lamp thick wall light guide injection mold. BACKGROUND

[0002] Injection mold is a kind of tool for manufacturing plastic products, and complete structure and accurate size are endowed to plastic product by injection molding process. Injection mold is composed of high-precision mold and mold support, and can manufacture plastic products of various shapes and sizes, such as plastic cup, plastic plate, plastic toy, automobile parts and the like. In the injection molding process, mold is injected into molten plastic, and the required plastic product is formed after solidification by cooling.

[0003] A motorcycle lamp LED circular thick wall light guide structure forming die is disclosed in Chinese patent with publication number CN212948893U. The utility model provides a motorcycle lamp LED circular thick wall light guide structure forming die for the uneven stress of the light guide strip ejection of the prior art, and the product is prone to breakage. The utility model discloses a motorcycle lamp LED circular thick wall light guide structure forming die, which comprises a fixed mold and a movable mold, a convex mold is arranged on the movable mold, a cavity top block and a top rod assembly are further arranged on the movable mold, the cavity top block is composed of a straight line top block and an arc line top block connected in sequence, and the arc line top block is connected with the inclined surface of the convex mold.

[0004] Although the above technical scheme solves the corresponding technical problems, the above technical scheme still has the following defects:

[0005] The above technical scheme is not convenient for disassembling the mold core of injection mold, so it is not convenient to maintain or replace the mold core, thereby reducing the practicability. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a car lamp thick wall light guide injection mold, which is convenient to disassemble and replace the detachable mold core when it is damaged, and the mold core insert is arranged at the edge of the mold core body to improve the uniform light color of the injection molded product, thereby improving the practicability of the utility model.

[0007] In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises:

[0008] A car lamp thick wall light guide injection mold comprises:

[0009] A mold body, a detachable mold core is installed on the mold body, and a mold core body is arranged on the detachable mold core.

[0010] The above car lamp thick wall light guide injection mold, wherein the mold mounting hole for mounting the mold body is arranged at the four corners of the mold body.

[0011] The vehicle lamp thick-wall light guide injection mold, wherein the four corners of the detachable mold core are provided with mold core mounting holes for mounting the detachable mold core, and the detachable mold core is provided with four mold core mounting bolts corresponding to the mold core mounting holes.

[0012] The vehicle lamp thick-wall light guide injection mold, wherein the detachable mold core is fixedly mounted on the mold body through the four mold core mounting bolts.

[0013] The vehicle lamp thick-wall light guide injection mold, wherein the edge of the mold core body is further provided with a plurality of mold core mounting ears for positioning the mold core body, and the mold core mounting ears are provided with mold core fixing holes.

[0014] The vehicle lamp thick-wall light guide injection mold, wherein the mold core mounting ears are further provided with reinforcing ribs.

[0015] The vehicle lamp thick-wall light guide injection mold, wherein the mold core body is further provided with a mold core insert pin.

[0016] The vehicle lamp thick-wall light guide injection mold, wherein the mold body is provided with a positioning groove, and the positioning groove is slidably connected with a positioning column matched with the positioning groove.

[0017] The vehicle lamp thick-wall light guide injection mold, wherein the side surface of the mold core body is provided with an injection molding notch.

[0018] The utility model at least has following beneficial effect:

[0019] In the utility model, a vehicle lamp thick-wall light guide injection mold is realized, the detachable mold core is convenient to disassemble, when the detachable mold core is damaged, the detachable mold core is convenient to replace, and the mold insert pin is arranged at the edge of the mold core body, the uniform light color of the injection molding product of the injection mold of the utility model is increased, and the practicability of the utility model is improved. DRAWINGS

[0020] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0021] Fig. 1 It is the structure schematic view of the utility model vehicle lamp thick-wall light guide injection mold;

[0022] Fig. 2 It is the structure schematic view of the mold core body in the utility model vehicle lamp thick-wall light guide injection mold;

[0023] Fig. 3 Another view of the structure of the mold core main body of the thick-wall light guide injection mold for vehicle lamp.

[0024] BRIEF DESCRIPTION OF DRAWINGS

[0025] 1, mold main body; 2, detachable mold core;

[0026] 101, mold mounting hole;

[0027] 102, positioning groove; 1021, positioning column;

[0028] 201, mold core mounting hole; 2011, mold core mounting bolt;

[0029] 202, mold core main body;

[0030] 2021, mold core mounting lug; 20211, mold core fixing hole; 20212, reinforcing rib;

[0031] 2022, mold core insert; 2023, injection molding gap. DETAILED DESCRIPTION

[0032] The embodiments of the application will be described in detail below with the drawings and examples, so that the realization process of the application of technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0033] Please refer to Figs. 1-3 The embodiment of the application provides a thick-wall light guide injection mold for vehicle lamp, which comprises a mold main body 1, and a detachable mold core 2 detachably mounted on the mold main body 1.

[0034] Please refer to Figs. 1-3 The four corners of the mold main body 1 are provided with mold mounting holes 101 for mounting the mold main body 1.

[0035] Please refer to Figs. 1-3 The four corners of the detachable mold core 2 are provided with mold core mounting holes 201 for mounting the detachable mold core 2, and the positions corresponding to the mold core mounting holes 201 on the detachable mold core 2 are provided with four mold core mounting bolts 2011 corresponding to the mold core mounting holes 201.

[0036] Please refer to Figs. 1-3 The detachable mold core 2 is fixedly installed on the mold main body 1 through the four mold core mounting bolts 2011.

[0037] Please refer to Figs. 1-3As shown, the edge of the mold core body 202 is also provided with a plurality of mold core mounting ears 2021 for positioning the mold core body 202, and the mold core mounting ears 2021 are provided with mold core fixing holes 20211.

[0038] As shown in the drawings, Figs. 1-3 As shown, the mold core mounting ear 2021 is also provided with a reinforcing rib 20212.

[0039] As shown in the drawings, Figs. 1-3 As shown, the mold core body 202 is also provided with a mold core needle 2022, and the side of the mold core body 202 is provided with an injection molding notch 2023.

[0040] As shown in the drawings, Figs. 1-3 As shown, the mold body 1 is provided with a positioning groove 102, and the positioning groove 102 is slidably connected with a positioning column 1021 matched with the positioning groove 102.

[0041] The working principle of the utility model is: through setting the detachable mold core 2 convenient to disassemble, when the detachable mold core 2 is damaged, the detachable mold core 2 is convenient to replace, and at the same time, the mold core needle 2022 is arranged at the edge of the mold core body 202, the uniform color of the injection molding product of the injection molding mold of the utility model is increased, thereby the practicability of the utility model is improved.

[0042] The above description shows and describes several preferred embodiments of the utility model, but as before, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept disclosed herein by the above teaching or related art or knowledge. The modification and change made by the person skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the protection scope of the claims attached to the utility model.

Claims

1. A thick-walled light guide injection mold for a vehicle lamp comprising a mold body (1), characterized in that, The detachable mold core (2) is detachably mounted on the mold body (1), and a mold core body (202) is arranged on the detachable mold core (2); The mold body (1) is provided with a mold mounting hole (101) at each corner of the mold body (1) for mounting the mold body (1); The detachable mold core (2) is provided with a mold core mounting hole (201) at each corner of the detachable mold core (2) for mounting the detachable mold core (2), and the detachable mold core (2) is provided with four mold core mounting bolts (2011) corresponding to the mold core mounting hole (201) at a position corresponding to the mold core mounting hole (201); The edge of the mold core body (202) is further provided with a plurality of mold core mounting ears (2021) for positioning the mold core body (202), and the mold core mounting ear (2021) is provided with a mold core fixing hole (20211).

2. A thick-walled light guide injection molding tool for a vehicle lamp according to claim 1, characterized in that: The detachable mold core (2) is fixedly mounted on the mold body (1) through the four mold core mounting bolts (2011).

3. A thick-walled light guide injection molding tool for a vehicle lamp according to claim 2, characterized in that: The mold core mounting ear (2021) is further provided with a reinforcing rib (20212).

4. A thick-walled light guide injection molding tool for a vehicle lamp according to claim 3, characterized in that: The mold core body (202) is further provided with a mold core embedding needle (2022).

5. A thick-walled light guide injection molding tool for a vehicle lamp according to claim 4, characterized in that: The mold body (1) is provided with a positioning groove (102), and the positioning groove (102) is slidably connected with a positioning column (1021) matched with the positioning groove (102).

6. A thick-walled light guide injection molding tool for a vehicle lamp according to claim 5, characterized in that: The side surface of the mold core body (202) is provided with an injection molding notch (2023).

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