CN104411136B - The manufacturing method of mobile terminal shell, mobile terminal and mobile terminal shell - Google Patents

Abstract

The invention is applicable to the technical field of mobile terminals, and discloses a mobile terminal casing, a mobile terminal and a manufacturing method for the mobile terminal casing. The mobile terminal casing includes a metal body, the surface of the metal body has an electrophoretic layer, at least one edge of the metal body is provided with a chamfer, and an anodic oxidation layer is provided at the chamfer. The mobile terminal has the above-mentioned mobile terminal case. The manufacturing method includes the following steps: preparing a metal body, attaching an electrophoretic layer to the surface of the metal body, chamfering the electrophoresed metal body, and forming an anodic oxidation layer on the chamfered surface of the metal body. The mobile terminal casing provided by the present invention, the mobile terminal and the manufacturing method of the mobile terminal casing, the casing is covered by the electrophoretic layer and the anodic oxidation layer, which can effectively protect the casing from corrosion, and the casing is in use. It is not easy to scratch, the reliability of the shell is high, the texture of the electrophoretic layer and the anodized layer are different, and the appearance of the product shell is strong.

Description

Mobile terminal case, mobile terminal and method for manufacturing mobile terminal case

technical field

The invention belongs to the technical field of mobile terminals, and in particular relates to a mobile terminal casing, a mobile terminal and a method for manufacturing the mobile terminal casing.

Background technique

Currently, the casing of the mobile terminal is generally made of plastic or aluminum alloy. In the prior art, the surface treatment technology of the aluminum alloy shell generally adopts sandblasting or wire drawing, and the surface effect of the product is single, and it is easy to be scratched during use, and the reliability is poor.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a mobile terminal casing, a mobile terminal and a manufacturing method for the mobile terminal casing. The casing is not easily scratched during use, and the casing has high reliability. Moreover, the texture of the electrophoretic layer is different from that of the anodized layer, and the appearance of the product shell is highly expressive.

The technical solution of the present invention is: a mobile terminal housing, including a metal body, the surface of the metal body has an electrophoretic layer, at least one edge of the metal body is provided with a chamfer, and the chamfer is provided with an anode oxide layer.

Optionally, the metal body is made of aluminum alloy.

Optionally, the front and/or back edges of the metal body are provided with the chamfers.

Optionally, the color of the electrophoretic layer is different from that of the anodized layer.

The present invention also provides a mobile terminal, which has the above-mentioned mobile terminal housing.

Optionally, the mobile terminal is a mobile phone or a tablet computer.

The present invention also provides a method for manufacturing a mobile terminal housing, comprising the following steps: preparing a metal body, performing electrophoretic treatment on the metal body so that an electrophoretic layer is attached to the surface of the metal body, chamfering the electrophoresed metal body, The chamfered metal body is anodized so that the chamfered surface of the metal body is formed with an anodic oxidation layer.

Optionally, the metal body is made of aluminum alloy.

Optionally, the metal body is made of aluminum alloy material through machining.

Optionally, the chamfer is formed by machining.

The mobile terminal shell provided by the present invention, the mobile terminal and the manufacturing method of the mobile terminal shell, firstly perform electrophoretic treatment on the metal shell to form an electrophoretic layer on the surface of the metal body, and then chamfer the electrophoresis metal body The chamfered metal body is anodized so that the chamfered surface of the metal body is formed with an anodized layer, the surface of the metal body has an electrophoretic layer, and the chamfered area has an anodized layer, and the shell is composed of an electrophoretic layer and an anodized layer. Anodized layer coating can effectively protect the shell from corrosion, the shell is not easy to scratch during use, and the shell has high reliability. Moreover, the texture of the electrophoretic layer and the anodized layer are different, and the appearance of the product shell Powerful, the appearance of the product is more personalized and has a sense of technology.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

FIG. 1 is a schematic partial cross-sectional view of a mobile terminal housing provided by an embodiment of the present invention.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

As shown in FIG. 1 , a mobile terminal case provided by an embodiment of the present invention includes a metal body 100 , the surface of the metal body 100 has an electrophoretic layer 210 , and at least one edge of the metal body 100 is provided with a chamfer. 101, the chamfer 101 is provided with an anodized layer 220, which can effectively protect the shell from corrosion, the shell is not easy to scratch during use, and the shell has high reliability. Moreover, the electrophoretic layer 210 and the anodized layer The texture of the 220 is different, and the appearance of the product shell is highly expressive.

Specifically, the metal body 100 can be made of aluminum alloy material, which is light in weight. The angle of the chamfer 101 may be 45 degrees.

Specifically, the edges of the front or/and back of the metal body 100 are provided with the chamfers 101 . The section where the chamfer 101 is set can be set according to actual conditions. Continuous chamfers may be provided on the entire edge of the front or/and back of the metal body 100 , or chamfers may be provided locally or at intervals on the front or/and back edges of the metal body 100 . The chamfer 101 can be formed on the metal body 100 by CNC (Computer numerical control) machining (numerical control machining), which has high forming precision and good forming quality.

Specifically, the colors of the electrophoretic layer 210 and the anodized layer 220 may be different, and their textures may also be different, so that the shell is not easily scratched during use, and the appearance of the product is highly expressive.

An embodiment of the present invention also provides a mobile terminal, the mobile terminal has the above-mentioned mobile terminal housing. The mobile terminal can be a mobile phone or a tablet computer or the like.

The mobile terminal casing provided by the embodiment of the present invention and the mobile terminal having the mobile terminal casing have an electrophoretic layer 210 on the surface of the casing and an anodized layer 220 on the chamfer 101 at the edge, which can effectively protect the casing No corrosion, the shell is not easily scratched during use, and the shell has high reliability. Moreover, the texture of the electrophoretic layer 210 and the anodized layer 220 are different, and the appearance of the product shell is strong.

The embodiment of the present invention also provides a method for manufacturing a mobile terminal casing, which can be used to manufacture the above-mentioned mobile terminal casing. There is an electrophoretic layer 210, and the metal body 100 after electrophoresis is chamfered to form a chamfer 101. During the chamfering process, the edge of the metal body 100 and the electrophoretic layer 210 at the edge are removed. At this time, the surface of the chamfer 101 is For the exposed metal surface, the metal body 100 after chamfering 101 is anodized, so that the chamfered surface (bare metal surface) of the metal body 100 is formed with an anodized layer 220, which can effectively protect the shell from Due to corrosion, the casing is not easily scratched during use, and the reliability of the casing is high. Moreover, the texture of the electrophoretic layer 210 and the anodized layer 220 are different, and the appearance of the product casing is strong.

Water-soluble paint can be used for the electrophoresis treatment of the metal body 100, and water is used as the dissolution medium, which can save a large amount of organic solvents, greatly reduce air pollution and environmental hazards, and is safe and hygienic, while avoiding the hidden danger of fire. Moreover, the coating efficiency High, small loss of paint, the utilization rate of paint can reach more than 95%; the electrophoretic layer formed by electrophoresis has uniform coating thickness, strong adhesion, and good coating quality. A uniform and smooth paint film can be obtained, and the coating of workpieces with complex shapes can be easily realized; and the electrophoretic treatment also has the advantage of high production efficiency, which can realize automatic continuous production and greatly improve production efficiency.

In a specific application, the metal body 100 can be made of aluminum alloy material, which is light in weight and high in strength.

In a specific application, the metal body 100 is machined from an aluminum alloy material, and the metal body 100 can be formed by CNC (Computer numerical control), which has high production precision and high efficiency.

In a specific application, after the metal body 100 is processed by electrophoresis, the chamfer 101 is processed by CNC machining. It has high production precision and high efficiency.

After the chamfer 101 is formed by CNC machining, the metal body 100 is placed in an electrolyte solution as an anode, and electrolysis is performed under specific conditions and an applied current. The exposed chamfered surface of the metal body 100 of the anode will be oxidized, and a thin aluminum oxide layer is formed on the surface of the chamfered surface, the thickness of which can be 5-30 microns, and the hard anodized layer 220 can reach 25-150 microns. The hardness and wear resistance of the anodized metal body 100 will be effectively improved, the wear resistance can reach 250-500 kg/mm2, and it has good heat resistance. The melting point of the anodized layer 220 is as high as 2320K, and it also has excellent Excellent insulation, the breakdown voltage is as high as 2000V, and the corrosion resistance is enhanced at the same time. The anodized layer does not corrode after thousands of hours in ω=0.03NaCl salt spray, and the reliability is high.

The manufacturing method of the mobile terminal shell provided by the embodiment of the present invention firstly performs electrophoretic treatment on the metal shell to form the electrophoretic layer 210 on the surface of the metal body 100, and then chamfers 101 the metal body 100 after electrophoresis. The chamfered metal body 100 is anodized to form an anodized layer 220 on the chamfered surface of the metal body 100, the surface of the metal body 100 has an electrophoretic layer 210, and the chamfered corner 101 has an anodized layer 220, which can Effectively protect the shell from corrosion, the shell is not easy to scratch during use, and the shell has high reliability. Moreover, the texture of the electrophoretic layer 210 and the anodized layer 220 are different, and the appearance of the product shell is strong. The effect is more personalized and more technological.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement or improvement made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (5)

1. a kind of mobile terminal shell, including metal body, the metal body is made of aluminum alloy materials, and feature exists In the surface of the metal body has electrophoresis layer, and the front of the metal body or/and the edge at the back side are both provided with down Angle, the angle of the chamfering is 45 °, and anodic oxide coating is provided at the chamfering, and the thickness of the anodic oxide coating is micro- for 25 Rice~150 microns, and the electrophoresis layer is different from the color of the anodic oxide coating；

The wearability of the mobile terminal shell is 250~500 kilograms/square millimeter, and the fusing point of the anodic oxide coating is 2320K, breakdown voltage resistant is 2000V.

2. a kind of mobile terminal, which is characterized in that the mobile terminal has mobile terminal shell as described in claim 1.

3. mobile terminal as claimed in claim 2, which is characterized in that the mobile terminal is mobile phone or tablet computer.

4. a kind of manufacturing method of mobile terminal shell, which is characterized in that include the following steps：Metal body is prepared, aluminium is closed The metal body, which carries out electrophoretic process, made of golden material makes metal body surface adhere to electrophoresis layer, to the metal sheet after electrophoresis Body carries out chamfering, and the metal body after chamfering is carried out anodized so that the fillet surface of the metal body is formed with sun Pole oxide layer, and the electrophoresis layer is different from the color of the anodic oxide coating,

The angle of the chamfering is 45 °, and the thickness of the anodic oxide coating is 25 microns~150 microns, the mobile terminal shell The wearability of body is 250~500 kilograms/square millimeter, and the fusing point of the anodic oxide coating is 2320K, breakdown voltage resistant to be 2000V；Wherein, the metal body is carried out using water soluble paint, and using water as dissolving medium during electrophoretic process.

5. the manufacturing method of mobile terminal shell as claimed in claim 4, which is characterized in that the chamfering by machine and Into.