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Shell, preparation method thereof and electronic product

A shell and frame technology, which is applied in the direction of electrical equipment shells/cabinets/drawers, electrical components, metal shells, etc., can solve the problems of insufficient processing performance and usability, and achieve easy CNC processing, shortened processing process, and high brightness. Effect

Active Publication Date: 2020-01-07
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the problem that the existing terminal equipment casing is processed by one material, resulting in insufficient processing performance and usability, and to provide a casing and its preparation method, which is easy to CNC process according to the preparation method of the present invention

Method used

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  • Shell, preparation method thereof and electronic product
  • Shell, preparation method thereof and electronic product
  • Shell, preparation method thereof and electronic product

Examples

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preparation example Construction

[0063] According to a second aspect of the present invention, the present invention provides a method for preparing a housing, the method comprising the following steps:

[0064] S1. Provide an inner layer blank plate and an outer layer blank plate, the outer layer blank plate is one or more selected from stainless steel, titanium and titanium alloy, and the inner layer blank plate is selected from aluminum and aluminum alloy one or more of them;

[0065] S2, roughening the surface to be bonded of the inner layer blank sheet and the surface to be bonded of the outer layer blank sheet;

[0066] S3. Rolling after superimposing the surface to be bonded of the inner layer blank sheet and the surface to be bonded of the outer layer blank sheet to form a composite sheet, the rolling condition is such that the reduction is greater than 5%;

[0067] S4. Process the composite plate to form a frame body, set a middle plate in the frame body to form a shell, the frame body includes an i...

Embodiment 1

[0145] (1) The inner blank plate is an aluminum alloy plate with a grade of 5052, and the outer blank plate is a stainless steel plate with a grade of S31603. The surface to be bonded of the inner layer blanks and the surface to be bonded of the outer layer blanks are sequentially subjected to pre-roughening treatment and roughening treatment by the following method.

[0146] (1-1) Pre-coarsening treatment

[0147] The inner layer blank sheet and the outer layer blank sheet are rolled respectively, and the rolling adopts a pair of rolling rotary rolls, one of the rolling rotary rolls in the pair of rolling rotary rolls is a smooth roll, and the other rolls The rotating roll is a rough roll, and the rough roll is in contact with the surface to be bonded, the surface of the smooth roll is a smooth surface, and the surface of the rough roll has lines, and the lines are perpendicular to the rolling axis of the rotating roll. In the direction, the pattern of the lines is a straigh...

Embodiment 2

[0163] The mobile phone shell was prepared by the same method as in Example 1, except that the pre-roughening treatment in step (1-1) was not performed, but the roughening treatment was directly performed. The bonding force per unit width between the inner layer and the outer layer in the composite sheet was determined to be 42N / mm. It is determined that the specific heat capacity of the frame is 0.65J / (g·K), and the thermal conductivity of the frame along the direction from the inner layer to the outer layer is 25.1W / (m·K).

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Abstract

The invention discloses a shell, a preparation method thereof and an electronic product adopting the shell. The shell comprises a frame body and a middle plate; the outer edge of the middle plate is combined with the inner surface of the frame body; at least one functional groove is formed in the frame body; a battery compartment and a motor position are formed on the middle plate; at least a partof the frame body comprises an outer layer and an inner layer combined with the outer layer; the inner surface of the inner layer faces the interior of the frame body, and the outer surface, away from the inner surface of the inner layer, of the outer layer forms the outer surface of the frame body; the outer layer is a stainless steel layer, a titanium layer or a titanium alloy layer, and the inner layer is an aluminum layer or an aluminum alloy layer; and the functional groove at least partially cuts off the inner layer and the outer layer. According to the shell disclosed by the invention,the inner layer and the outer layer of the frame body are made of different materials, so that the shell is high in strength and hardness, has relatively high brightness after being polished, and iseasy for CNC processing; meanwhile, the processing procedure is shortened.

Description

technical field [0001] The invention relates to a casing and a preparation method thereof, and also relates to an electronic product. Background technique [0002] Existing terminal equipment casings (such as the middle frame of a mobile phone) are mostly processed by one kind of metal, such as aluminum alloy, stainless steel or titanium alloy. In recent years, with the emergence of high-gloss appearance effects of mobile phone exterior parts and the development trend of front and rear double-glass appearance designs, higher strength, higher brightness effects, and lightweight mobile phone middle frames have also become development hotspots. [0003] Aluminum alloy has low density, light weight, easy to form and process, but its strength is low, and the brightness after polishing is dull. Although stainless steel has the advantages of high strength, high hardness, and high brightness after polishing, it has a high density and is heavy for electronic equipment such as mobile...

Claims

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Application Information

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IPC IPC(8): H05K5/02H05K5/04
CPCH05K5/0217H05K5/04
Inventor 朱帅夏艳侠孙剑马兰陈梁
Owner BYD CO LTD
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