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Injection mould for multi-camber combined rear lamp reflective body and its manufacturing method

A technology for injection molds and rear lights, applied in the mechanical field, can solve problems such as poor light distribution effect and low pass rate, and achieve high pass rate, good exhaust, and good light distribution performance

Inactive Publication Date: 2009-07-29
NINGBO BOSHENG ELECTRICAL APPLIANCES MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention solves the problems of poor light distribution effect and low pass rate of products existing in the prior art, and provides an injection mold with good exhaust, good light distribution performance and high pass rate of the obtained product

Method used

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  • Injection mould for multi-camber combined rear lamp reflective body and its manufacturing method
  • Injection mould for multi-camber combined rear lamp reflective body and its manufacturing method
  • Injection mould for multi-camber combined rear lamp reflective body and its manufacturing method

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Embodiment Construction

[0027] The technical solutions of the present invention will be further specifically described below through specific embodiments and in conjunction with the accompanying drawings.

[0028] Example: as attached figure 1 , 2 , shown in 3, the injection mold of a kind of multi-curved surface combined rear car lamp reflector, it has movable mold, fixed mold, hot runner, cooling system, exhaust hole and thimble, it is characterized in that described movable mold and fixed mold There is a core part 2 inside, and the core part 2 is integrally connected with the movable mold and the fixed mold respectively. There are several curved surfaces 5 used to form a reflective surface on the movable mold core, and the center of the curved surface 5 is set There is a small cylinder 3 for forming a lamp hole.

[0029]The sprue is set on the movable mold, the sprue opening is aligned with the middle of the fixed mold, the sprue opening is connected to the runner, the runner is perpendicular to...

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Abstract

The invention relates to an injection mold for a multi-curved-surface combined rear lamp reflector and a manufacturing method thereof, which belongs to the technical field of mechanical inventions, and includes a movable mold, a fixed mold, a runner, a cooling system, an exhaust hole and an inferring system, and a fixed mold. There is a mold core part in the mold, the mold core part and the fixed mold are integrally connected, the mold core has a mold cavity, and the mold cavity contains a plurality of indented curved surface mold cavities, and each curved surface mold cavity It is equipped with a thimble that fits closely with the fixed mold. The invention has the characteristics of good exhaust, good light distribution performance of the obtained product, good pass rate and the like.

Description

technical field [0001] The invention relates to a structure of an injection mold, in particular to a structure of an injection mold of a multi-curved surface combined rear lamp reflector and a manufacturing method thereof, belonging to the field of mechanical technology. Background technique [0002] Car lights are one of the main accessories of cars. They are composed of car light reflectors, lens holders, bulbs, lampshades, rear covers, light distribution mirrors, etc., and are divided into front lights, combined rear lights, turn signals, fog lights, reading lights, etc. Various series. With the continuous improvement of technology and people's living standards, higher and higher requirements are put forward for the design and manufacture of car lights, especially the light distribution performance and appearance of car lights. Car lights generally have three types: incandescent, halogen and xenon. Types of. With the continuous development of automobile technology, inca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/26B29C45/37B29C45/27B29C45/73B23P15/24B23H5/04B29C33/38
Inventor ι™†θΏŽζ——
Owner NINGBO BOSHENG ELECTRICAL APPLIANCES MFG