阅读说明：本技术 一种pc灯壳的制备方法 (Preparation method of PC lamp housing ) 是由 涂君 于 2021-08-25 设计创作，主要内容包括：本发明涉及照明灯具技术领域,具体涉及一种PC灯壳的制备方法,包括以下步骤：S1：将PC材料放入模具的注塑工位,注塑工位将PC材料注塑成型为管形灯胚；S2：注塑工位进行开模,将管形灯胚从注塑工位的模具芯棒取出；S3：将管形灯胚转移至吹气工位,吹气工位将管形灯胚进行吹气从而形成为灯壳；S4：将灯壳转移至脱模工位,脱模工位将灯壳从模具中进行脱离。本发明通过采用PC材料进行注塑成型为管形灯胚,并且同时在模具上进行注塑成型、吹气成型以及脱模工序使得生产的灯壳具有耐高温的特性,并且时间使用后产品颜色不改变,另外该制备方法能够有效地提高灯壳的生产效率。(The invention relates to the technical field of lighting lamps, in particular to a preparation method of a PC lamp shell, which comprises the following steps: s1: placing the PC material into an injection molding station of a mold, and performing injection molding on the PC material to form a tubular lamp blank at the injection molding station; s2: opening the mold at the injection station, and taking the tubular lamp blank out of the mold core rod at the injection station; s3: transferring the tubular lamp blank to a blowing station, and blowing the tubular lamp blank by the blowing station to form a lamp shell; s4: and transferring the lamp housing to a demolding station, and detaching the lamp housing from the mold by the demolding station. According to the invention, the tubular lamp blank is formed by injection molding of the PC material, and the lamp shell produced by the injection molding, blow molding and demolding processes are simultaneously carried out on the mold, so that the lamp shell has the characteristic of high temperature resistance, the color of the product is not changed after the lamp shell is used for a long time, and in addition, the production efficiency of the lamp shell can be effectively improved by the preparation method.)

1. A preparation method of a PC lamp shell is characterized by comprising the following steps: the method comprises the following steps:

s1: placing the PC material into an injection molding station of a mold, and performing injection molding on the PC material to form a tubular lamp blank at the injection molding station;

s2: opening the mold at the injection station, and taking the tubular lamp blank out of the mold core rod at the injection station;

s3: transferring the tubular lamp blank to a blowing station, and blowing the tubular lamp blank by the blowing station to form a lamp shell;

s4: and transferring the lamp housing to a demolding station, and detaching the lamp housing from the mold by the demolding station.

2. The method of making a PC lamp housing of claim 1, wherein: the material of the die is S136 die steel.

3. The method of making a PC lamp housing of claim 1, wherein: the injection molding station, the blowing station and the demolding station are integrally formed equipment.

4. The method of making a PC lamp housing of claim 1, wherein: in step S1, the injection molding temperature of the injection station is 260-300 degrees Celsius.

5. The method of making a PC lamp housing of claim 1, wherein: before step S1, the injection station of the mold is cooled.

6. The method of making a PC lamp housing of claim 1, wherein: before step S3, the blow station of the mold is cooled.

7. The method of making a PC lamp housing of claim 1, wherein: the PC material comprises polycarbonate, halogen-free flame-retardant master batch, an ultraviolet absorbent, an anti-dripping agent and a high-temperature-resistant antioxidant; the weight portions are as follows: 50-95 parts of polycarbonate resin, 1-20 parts of halogen-free flame-retardant master batch, 0.5-5 parts of ultraviolet absorbent, 1-3 parts of toughening agent, 0.5-5 parts of high-temperature resistant agent, 0.1-1.5 parts of antioxidant and 0.2-1.3 parts of light stabilizer.

8. The method of manufacturing a PC lamp housing according to claim 7, wherein: the halogen-free flame retardant is aromatic sulfonate flame retardant.

9. The method of manufacturing a PC lamp housing according to claim 7, wherein: the toughening agent is MBS resin.

Technical Field

The invention relates to the technical field of lighting lamps, in particular to a preparation method of a PC lamp shell.

Background

A bulb is a lighting device that emits light and generates heat by electric energy, and the most common function of a bulb is lighting, which plays an important role in daily life of people.

The lamp shell of the traditional bulb is generally made of PET materials, the materials are not high-temperature resistant and cannot be used as high-power bulb products, and the color of the product can turn yellow after the bulb made of the materials is used for a long time.

Disclosure of Invention

The invention aims to provide a method for preparing a PC lamp housing aiming at the defects in the prior art.

The purpose of the invention is realized by the following technical scheme: a preparation method of a PC lamp housing comprises the following steps:

s1: placing the PC material into an injection molding station of a mold, and performing injection molding on the PC material to form a tubular lamp blank at the injection molding station;

s2: opening the mold at the injection station, and taking the tubular lamp blank out of the mold core rod at the injection station;

s3: transferring the tubular lamp blank to a blowing station, and blowing the tubular lamp blank by the blowing station to form a lamp shell;

s4: and transferring the lamp housing to a demolding station, and detaching the lamp housing from the mold by the demolding station.

The invention is further provided that the material of the die is S136 die steel.

The invention is further provided that the injection molding station, the blowing station and the demolding station are integrally formed equipment.

The invention is further configured that in step S1, the injection molding temperature of the injection molding station is 260-300 degrees celsius.

The present invention is further configured such that the injection molding station of the mold is cooled prior to step S1.

The present invention is further configured such that the blow station of the mold is cooled prior to step S3.

The invention is further set that the PC material comprises polycarbonate, halogen-free flame-retardant master batch, ultraviolet absorbent, anti-dripping agent and high-temperature-resistant antioxidant; the weight portions are as follows: 50-95 parts of polycarbonate resin, 1-20 parts of halogen-free flame-retardant master batch, 0.5-5 parts of ultraviolet absorbent, 1-3 parts of toughening agent, 0.5-5 parts of high-temperature resistant agent, 0.1-1.5 parts of antioxidant and 0.2-1.3 parts of light stabilizer.

The invention is further configured that the halogen-free flame retardant is an aromatic sulfonate flame retardant.

The invention is further configured that the toughening agent is MBS resin.

The invention has the beneficial effects that: according to the invention, the tubular lamp blank is formed by injection molding of the PC material, and the lamp shell produced by the injection molding, blow molding and demolding processes are simultaneously carried out on the mold, so that the lamp shell has the characteristic of high temperature resistance, the color of the product is not changed after the lamp shell is used for a long time, and in addition, the production efficiency of the lamp shell can be effectively improved by the preparation method.

Detailed Description

The invention is further described with reference to the following examples.

The preparation method of the PC lamp housing in this embodiment includes the following steps:

s1: placing the PC material into an injection molding station of a mold, and performing injection molding on the PC material to form a tubular lamp blank at the injection molding station;

s2: opening the mold at the injection station, and taking the tubular lamp blank out of the mold core rod at the injection station;

s3: transferring the tubular lamp blank to a blowing station, and blowing the tubular lamp blank by the blowing station to form a lamp shell;

s4: and transferring the lamp housing to a demolding station, and detaching the lamp housing from the mold by the demolding station.

Specifically, according to the preparation method of the PC lamp housing in this embodiment, the PC material is injection molded into the tubular lamp blank, and the injection molding, the blow molding and the demolding process are performed on the mold at the same time, so that the produced lamp housing has the characteristic of high temperature resistance, and the color of the product is not changed after the use, and in addition, the preparation method can effectively improve the production efficiency of the lamp housing.

In the preparation method of the PC lamp housing according to the embodiment, the mold is made of S136 mold steel. Through the arrangement, the mold material is taken out for heat treatment processing after rough processing of the existing product cavity, and the mold is assembled after precision processing after being taken back, so that the service life of the mold is longer in the use process, and the temperature is more uniform, thereby achieving the production stability.

In the preparation method of the PC lamp housing in this embodiment, the injection molding station, the blowing station, and the demolding station are integrally formed equipment. Through the arrangement, the production efficiency of the lamp housing can be effectively improved.

In step S1, in the method for manufacturing a PC lamp housing according to this embodiment, the injection molding temperature of the injection molding station is 260-300 ℃. The performance of the lamp housing produced by the arrangement is better.

In the method for manufacturing a PC lamp housing according to this embodiment, before step S1, an injection molding station of a mold is cooled. The performance of the lamp housing produced by the arrangement is better.

In the method for manufacturing a PC lamp housing according to this embodiment, before step S3, a blowing station of a mold is cooled. The performance of the lamp housing produced by the arrangement is better.

According to the preparation method of the PC lamp housing, the PC material comprises polycarbonate, a halogen-free flame-retardant master batch, an ultraviolet absorbent, an anti-dripping agent and a high-temperature-resistant antioxidant; the weight portions are as follows: 50-95 parts of polycarbonate resin, 1-20 parts of halogen-free flame-retardant master batch, 0.5-5 parts of ultraviolet absorbent, 1-3 parts of toughening agent, 0.5-5 parts of high-temperature resistant agent, 0.1-1.5 parts of antioxidant and 0.2-1.3 parts of light stabilizer. In the preparation method of the PC lamp housing in this embodiment, the halogen-free flame retardant is an aromatic sulfonate flame retardant. In the preparation method of the PC lamp housing in this embodiment, the toughening agent is MBS resin.

Specifically, according to the preparation method of the PC lamp housing in the embodiment, the PC material has high temperature resistance, ultraviolet resistance and flame retardant effects, and the lamp can be made to have no color change and no aging and falling after 3 years in the open air.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.