阅读说明：本技术 一种计算机主机箱壳体及其制备方法 (Computer mainframe shell and preparation method thereof ) 是由 李丽彬 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种计算机主机箱壳体,由以下质量份的原料组成：天然橡胶10-20份,阻燃剂5-6份,聚丙烯30-40份,三氧化二锑5-6份,石墨1-2份,增塑剂2-5份,稳定剂4-7份,润滑剂1-3份,聚氯乙烯9-12份,石英砂5-7份。该壳体具有良好的散热功能且具有一定的阻燃性。其制备方法为：步骤1,称取上述配比的原料；步骤2、将步骤1得到的混合物料加入密炼机进行混炼,保温一定时间,随后冷却至室温,最后进入双螺杆挤出机挤压成熔融状态,待物料完全熔融后挤出到注塑机中,在220-250℃下注塑成型即得。(The invention discloses a computer mainframe shell which is composed of the following raw materials in parts by mass: 10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand. The shell has a good heat dissipation function and certain flame retardance. The preparation method comprises the following steps: step 1, weighing the raw materials in the ratio; and 2, adding the mixed material obtained in the step 1 into an internal mixer for mixing, preserving heat for a certain time, cooling to room temperature, finally feeding into a double-screw extruder for extruding into a molten state, extruding into an injection molding machine after the material is completely molten, and performing injection molding at the temperature of 220-250 ℃.)

1. A computer case shell is characterized by comprising the following raw materials in parts by mass: 10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand.

2. The method for preparing the computer case shell according to claim 1, comprising the following steps:

step 1, weighing the following raw materials in proportion:

10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand;

mixing and stirring the raw materials;

and 2, adding the mixed material obtained in the step 1 into an internal mixer for mixing, preserving heat for a certain time, cooling to room temperature, finally feeding into a double-screw extruder for extruding into a molten state, extruding into an injection molding machine after the material is completely molten, and performing injection molding at the temperature of 220-250 ℃.

3. The method for preparing the computer case shell according to claim 2, wherein in the step 1, the flame retardant is a halogen flame retardant.

4. The method for preparing the computer case shell according to claim 2, wherein in the step 2, the mixing reaction conditions are as follows: mixing for 10-20 minutes at the temperature of 110-120 ℃.

5. The method for preparing the computer case shell according to claim 2, wherein in the step 2, the heat preservation time is as follows: 10-15 min.

Technical Field

The invention belongs to the technical field of computer hardware preparation, and particularly relates to a computer mainframe shell; the invention also relates to a preparation method of the computer mainframe shell.

Background

The computer is commonly called computer, and is a modern electronic computing machine for high-speed computation, which can perform numerical computation, logic computation and memory function. The intelligent electronic device can be operated according to a program, and can automatically process mass data at a high speed.

The chassis is used as a part of computer accessories, has the main function of placing and fixing various computer accessories, plays a role in supporting and protecting, has the important function of shielding electromagnetic radiation, and is not classified as a key consideration object in DIY because the chassis can not rapidly improve the performance of the whole machine unlike the accessories such as a CPU, a display card, a mainboard and the like. However, the case is not without any effect, and the case also has some potential safety hazards, and if the case is made of poor materials, the poor heat dissipation function can directly influence the service life of the whole computer.

Disclosure of Invention

The invention aims to provide a computer mainframe shell which has a good heat dissipation function and can effectively prolong the service life of a computer.

The invention also aims to provide a preparation method of the computer mainframe shell.

The technical scheme adopted by the invention is that a computer mainframe shell is composed of the following raw materials in parts by mass: 10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand.

The other technical scheme adopted by the invention is as follows: a preparation method of a computer mainframe shell comprises the following steps:

step 1, weighing the following raw materials in proportion:

10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand;

mixing and stirring the raw materials;

and 2, adding the mixed material obtained in the step 1 into an internal mixer for mixing, preserving heat for a certain time, cooling to room temperature, finally feeding into a double-screw extruder for extruding into a molten state, extruding into an injection molding machine after the material is completely molten, and performing injection molding at the temperature of 220-250 ℃.

The present invention is also characterized in that,

in step 1, the flame retardant is a halogen flame retardant.

In the step 2, the mixing reaction conditions are as follows: mixing for 10-20 minutes at the temperature of 110-120 ℃.

In the step 2, the heat preservation time is as follows: 10-15 min.

The invention has the beneficial effects that: the shell has a good heat dissipation function and certain flame retardance. The preparation method is simple and easy to operate, and is easy for industrial production.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

The invention provides a computer mainframe shell which is composed of the following raw materials in parts by mass: 10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand.

The invention also provides a preparation method of the computer mainframe shell, which comprises the following steps:

step 1, weighing the following raw materials in proportion:

10-20 parts of natural rubber, 5-6 parts of flame retardant, 30-40 parts of polypropylene, 5-6 parts of antimony trioxide, 1-2 parts of graphite, 2-5 parts of plasticizer, 4-7 parts of stabilizer, 1-3 parts of lubricant, 9-12 parts of polyvinyl chloride and 5-7 parts of quartz sand;

mixing and stirring the raw materials;

and 2, adding the mixed material obtained in the step 1 into an internal mixer for mixing, preserving heat for a certain time, cooling to room temperature, finally feeding into a double-screw extruder for extruding into a molten state, extruding into an injection molding machine after the material is completely molten, and performing injection molding at the temperature of 220-250 ℃.

In step 1, the flame retardant is a halogen flame retardant.

In the step 2, the mixing reaction conditions are as follows: mixing for 10-20 minutes at the temperature of 110-120 ℃.

In the step 2, the heat preservation time is as follows: 10-15 min.