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Processing technology of titanium alloy special-shaped material for mobile phone sim card tray

A processing technology, titanium alloy technology, applied in the direction of manufacturing tools, metal rolling, furnaces, etc., can solve the problems of high specific strength, non-magnetic, difficult to form, etc., achieve the effect of high strength, reduce waste, and reduce the amount of processing

Active Publication Date: 2021-06-01
JIANGYIN KANGRUI MOLDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects in the prior art and provide a special-shaped material processing technology for the SIM card holder of titanium alloy mobile phone, abandoning the previous method of CNC machining and using rolling instead, saving labor and materials. At the same time, it also solved the problem that TC4 titanium alloy is difficult to process and form, rolling to form mobile phone SIM card tray special-shaped materials, reducing the processing amount of subsequent engraving and processing into mobile phone SIM card trays, and adopting TC4 titanium alloy special-shaped SIM card tray The specific strength of the material is high, and it is non-magnetic

Method used

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  • Processing technology of titanium alloy special-shaped material for mobile phone sim card tray
  • Processing technology of titanium alloy special-shaped material for mobile phone sim card tray
  • Processing technology of titanium alloy special-shaped material for mobile phone sim card tray

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Embodiment 1

[0020] Such as Figure 1 to Figure 4 Shown, the present invention is a kind of processing technology of the special-shaped material of titanium alloy mobile phone SIM card tray, comprises carrying out the rolling of titanium alloy rod 1 continuous cycle twelve times, heat treatment is made into the profiling profile of mobile phone SIM card tray, The rolling process uses at least one pair of rolls 2 (one pair or two pairs or one pair plus one mode) to roll titanium alloy rods 1, and the two rolls 2 of the pair of rolls 2 are respectively provided with annular protrusions 3 and ring-shaped Depression 4, annular protrusion 3 and annular depression 4 are adapted to be arranged, annular protrusion 3 and annular depression 4 are arranged concentrically with roll 2, and annular protrusion and annular depression are adapted to the shape of the profile after each rolling; heat treatment A tube furnace 5 is used, the heat treatment temperature is 600±20° C., the length of the tube furn...

Embodiment 2

[0022] The difference from Embodiment 1 is that, as Figure 5 , Figure 6 As shown, in the process of rolling and heat-treating the titanium alloy bar for twelve consecutive cycles, the rivet hole 8 on the card body 7 of the card tray 6 is processed into a blind hole through continuous rolling and then subsequently re-rolled. The rivet holes 8 are processed by CNC engraving. During the rolling and heat treatment process of twelve continuous cycles of titanium alloy rods, there are also three to four continuous cycle rolling and heat treatment processes for rolling and heat treatment of the inner wall of the card holder 6 and its card body 7 ( figure 1 The rightmost side shows two processes of rolling and heat-treating the inner wall of the card holder 6 and its card body 7) to roll out the inner wall of the card holder 6 and its card body 7 for bearing the slot 9 for placing the SIM card.

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Abstract

The invention discloses a processing technology of titanium alloy special-shaped material for mobile phone SIM card tray, which includes rolling and heat treatment of titanium alloy rods for twelve consecutive cycles, and the rolling process adopts a pair of rolls to roll titanium alloy rods On a pair of rolls, the two rolls are respectively provided with annular protrusions and annular depressions. The annular protrusions and annular depressions are adapted to be arranged, and the annular protrusions and annular depressions are concentric with the rolls. The heat treatment adopts a tube furnace, and the heat treatment temperature is 600 ±20°C, the length of the tube furnace is 6 meters, and the speed of titanium alloy rods passing through the tube furnace is 3m / min. The present invention abandons the previous method of CNC machining and uses rolling instead, which saves labor, materials and time, and the method of multiple rolling heat treatment solves the problem that TC4 titanium alloy is difficult to process and difficult to form. material to reduce the amount of subsequent engraving and processing into SIM card trays for mobile phones. The special-shaped materials for SIM card trays made of TC4 titanium alloy have high specific strength and are non-magnetic.

Description

technical field [0001] The invention relates to a processing technology of a special-shaped material for a titanium alloy mobile phone SIM card tray. Background technique [0002] The card slots (such as SIM card tray, memory card tray) and buttons (such as volume keys, power-off keys) in traditional mobile phones are mostly made of plastic materials. In order to increase their appearance and metal texture, they are coated with a However, due to its low strength and poor wear resistance, it is easily damaged or faded due to wear and tear during use. With the increasingly thinner design requirements of mobile phones, in order to realize the light and thin design concept, the SIM card tray structure is generally used to replace the design of the SIM card or memory card. After replacing the SIM card or memory card for a certain number of times, the SIM card slot may have problems such as poor elasticity of the contact pin or looseness of the card slot, which will lead to poor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/08C22F1/18C22F1/02C21D9/00
CPCB21B1/08C21D9/0068C22F1/02C22F1/183
Inventor 朱卫
Owner JIANGYIN KANGRUI MOLDING TECH CO LTD
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