Structure for improving color mixing of lampshade of automobile through lamp

Abstract

The utility model provides a structure for improving color mixing of a lampshade of an automobile through lamp, and belongs to the technical field of automobile lamp molds. The structure comprises a hot runner nozzle, a nozzle core, a heat insulation cap and a nozzle cap, the nozzle core is inserted into the hot runner nozzle, the nozzle core is sleeved with the nozzle cap in a threaded mode, and the nozzle core and the nozzle cap are sleeved with the heat insulation cap at the same time. The hot runner nozzle is screwed down according to the torsion requirement, color mixing caused by glue leakage at the glue inlet position in the injection molding process is prevented, then the nozzle core is inserted into the hot runner nozzle, the heat insulation cap is clamped between the nozzle core and the hot runner nozzle, and the glue sealing surface of the nozzle core of the mold is widened and enlarged, so that the glue leakage can be effectively controlled; according to the improved structure, normal production can be achieved, the yield is improved, the die cost is saved, and the die maintenance frequency is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of automobile lamp molds, and in particular to a structure for improving the color mixing of a lampshade of an automobile through-lamp. Background Art

[0002] In the stage of rapid development of the automobile industry, with the continuous updating and iteration of product shapes, it also promotes the continuous invention and innovation of mold structure. How to reduce maintenance, improve production efficiency and control mold costs while ensuring the appearance and meeting the functions is a tough issue in the industry. In order to solve the problem of color mixing in the glue feeding range of the multi-color outer lampshade of the car lamp, the utility model provides a structure for improving the color mixing of the lampshade of the car through-light to optimize the nozzle core structure. Utility Model Content

[0003] In order to make up for the above shortcomings, the present application provides a structure for improving the color mixing of the lampshade of a car through-light, aiming to improve the problem of color mixing in the glue injection range of the multi-color outer lampshade of the car light.

[0004] This application is implemented as follows:

[0005] The present application provides a structure for improving the color mixing of a lampshade of a through-light of an automobile, comprising a hot runner nozzle, a nozzle core, a heat insulation cap and a nozzle cap, wherein the nozzle core is inserted in the hot runner nozzle;

[0006] The nozzle cap is threadedly sleeved on the nozzle core, the heat insulation cap is sleeved on the nozzle core and the nozzle cap at the same time, the heat insulation cap is clamped in the hot runner nozzle, and a sealing rubber surface is arranged on the heat insulation cap.

[0007] In one embodiment of the present application, an external thread is provided on the outer surface of the nozzle core, and an internal thread is provided in the nozzle cap.

[0008] In one embodiment of the present application, a retaining spring is further included, and the retaining spring is arranged between the nozzle core and the heat insulation cap.

[0009] In one embodiment of the present application, a spacer ring is further included, wherein the spacer ring is sleeved on the hot runner nozzle, and the spacer ring and the nozzle core are fitted together.

[0010] In one embodiment of the present application, the widened length of the sealing surface is greater than 4 mm.

[0011] The beneficial effect of the present application is as follows: the present application obtains a structure for improving the color mixing of the automobile through-light lampshade through the above-mentioned design. When in use, the nozzle cap is screwed onto the nozzle core and tightened according to the torque requirement to prevent the occurrence of color mixing caused by glue leakage at the glue feeding position during the injection molding process. After that, the nozzle core is inserted into the hot runner nozzle, and then the heat insulation cap is clamped between the nozzle core and the hot runner nozzle. The sealing surface of the nozzle core of the mold is widened and enlarged, which can effectively control the occurrence of glue leakage and optimize and reduce the scrap rate of color mixing. This improved structure can not only achieve normal production and improve the yield rate, but also save mold costs and reduce the number of mold maintenance times. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a three-dimensional structural schematic diagram of a structure for improving the color mixing of a lampshade of a through-light of an automobile provided in an embodiment of the present application;

[0014] Figure 2 A diagram showing the relationship between the hot runner nozzle and the heat insulation cap provided in the embodiment of the present application;

[0015] Figure 3 A partial cross-sectional view of a structure for improving the color mixing of a lampshade of a through-light of an automobile provided in an embodiment of the present application;

[0016] Figure 4 Provided for the implementation of this application Figure 3 A magnified image of area A;

[0017] Figure 5 A diagram showing the relationship between the nozzle core and the nozzle cap provided in an embodiment of the present application.

[0018] In the figure: 110 - hot runner nozzle; 120 - nozzle core; 130 - heat insulation cap; 140 - nozzle cap; 150 - retaining ring; 160 - sealing surface; 170 - spacer ring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] Example

[0021] See also Figure 1 - Figure 5 , the present application provides a technical solution: a structure for improving the color mixing of a lampshade of a through-light of an automobile, comprising a hot runner nozzle 110, a nozzle core 120, a heat insulating cap 130 and a nozzle cap 140, wherein the nozzle core 120 is inserted into the hot runner nozzle 110;

[0022] The nozzle cap 140 is threadedly sleeved on the nozzle core 120. The outer surface of the nozzle core 120 is provided with an external thread, and the nozzle cap 140 is provided with an internal thread. The arrangement of the external thread and the internal thread facilitates the assembly of the nozzle core 120 and the nozzle cap 140 together. The heat insulation cap 130 is sleeved on the nozzle core 120 and the nozzle cap 140 at the same time. The heat insulation cap 130 is clamped in the hot runner nozzle 110, and further comprises a spacer ring 170. The spacer ring 170 is sleeved on the hot runner nozzle 110. The spacer ring 170 and the nozzle core 120 are fitted together. The arrangement of the spacer ring 170 facilitates the positioning of the nozzle core 120 in the hot runner nozzle 110.

[0023] The invention also includes a retaining spring 150, which is arranged between the nozzle core 120 and the heat insulating cap 130. The arrangement of the retaining spring 150 enables the heat insulating cap 130 to be clamped on the hot runner nozzle 110. The heat insulating cap 130 is provided with a sealing surface 160, and the widened length of the sealing surface 160 is greater than 4 mm. The nozzle cap 140 is installed in the mold gate insert for injection molding production, which can effectively control the occurrence of glue leakage and optimize the scrap rate of color mixing; while ensuring qualified products, it reduces the mold maintenance cost.

[0024] Specifically, the working principle of the structure for improving the color mixing of the lampshade of the automobile through-light is as follows: when in use, the nozzle cap 140 is screwed onto the nozzle core 120 and tightened according to the torque requirement to prevent the occurrence of color mixing caused by glue leakage at the glue feeding position during the injection molding process. Then, the nozzle core 120 is inserted into the hot runner nozzle 110, and then the heat insulation cap 130 is clamped between the nozzle core 120 and the hot runner nozzle 110. The sealing surface 160 of the nozzle core 120 of the mold is widened and enlarged, which can effectively control the occurrence of glue leakage and optimize and reduce the scrap rate of color mixing. This improved structure can not only achieve normal production and improve the yield rate, but also save mold costs and reduce the number of mold maintenance times.

[0025] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A structure for improving the color mixing of a car through-light shade, characterized in that: It comprises a hot runner nozzle (110), a nozzle core (120), a heat insulation cap (130) and a nozzle cap (140), wherein the nozzle core (120) is inserted into the hot runner nozzle (110); The nozzle cap (140) is threadedly mounted on the nozzle core (120), the heat insulating cap (130) is simultaneously mounted on the nozzle core (120) and the nozzle cap (140), the heat insulating cap (130) is clamped in the hot runner nozzle (110), and a sealing surface (160) is provided on the heat insulating cap (130).

2. The structure for improving the color mixing of the lampshade of a through-light of an automobile according to claim 1, characterized in that: An external thread is formed on the outer surface of the nozzle core (120), and an internal thread is formed inside the nozzle cap (140).

3. The structure for improving the color mixing of the lampshade of a through-light of an automobile according to claim 1, characterized in that: It also includes a retaining spring (150), which is arranged between the nozzle core (120) and the heat insulation cap (130).

4. The structure for improving the color mixing of a lampshade of a through-light of an automobile according to claim 1, characterized in that: It also includes a spacer ring (170), which is sleeved on the hot runner nozzle (110), and the spacer ring (170) and the nozzle core (120) are fitted together.

5. The structure for improving the color mixing of the lampshade of a through-light of an automobile according to claim 1, characterized in that: The widened length of the sealing surface (160) is greater than 4 mm.

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