Method for forming thin area of mobile phone shell
A mobile phone casing and molding method technology, which is applied in the field of thin area molding of mobile phone casings, can solve the problems of long production cycle and low processing efficiency, and achieve the effects of reducing processing procedures, ensuring molding quality, and reducing production costs
Inactive Publication Date: 2018-01-09
江西酷派智能科技有限公司
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[0003] The purpose of the present invention is to provide a method for forming the thin area of the mobile phone shell, which aims to solve the problems that the existing thin area of the mobile phone shell is usually realized by CNC machining, resulting in relatively low processing efficiency and long production cycle
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[0026] In order to make the object, technical solution and advantages of the present invention more clear, 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.
[0027] see Figure 1-Figure 5 , the embodiment of the present invention provides a method for forming a thin area of a mobile phone casing, which is mainly used for processing and forming a thin area on the inner surface of the mobile phone casing 1, and mainly includes the following steps:
[0028] Production of the mold core 2: First, the mold core 2 of the mobile phone shell 1 is preliminarily formed by using numerical control technology and other methods, and then the preliminarily formed mold core 2 is processed, and the mold core 2 is hollowed out at the position corresponding to the thi...
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The invention relates to the forming of a mobile phone shell, and provides a method for forming a thin area of the mobile phone shell, including the steps of making a mold core, fixing the mold core, making a mobile phone shell, and making a thin area of the mobile phone shell. In the molding method of the present invention, the mold core of the mobile phone shell is initially formed by using numerical control technology, and then the mold core is hollowed out at the position corresponding to the thin area of the mobile phone shell to form a hollowed out area, and then the mold core is fixed in a mold. The extrusion device is built in, and the movable top block of the extrusion device cooperates with the hollow area. When using the injection molding machine to inject plastic into the mold to form the mobile phone case, the movable top block moves up and squeezes the thin area of the mobile phone case before the plastic solidifies. In the whole molding method, the production of the mobile phone shell and the thin area of the mobile phone shell are completed synchronously, which greatly simplifies the technological process and reduces its production cost, and because they are all formed by injection molding, the quality of the thin area of the mobile phone shell after molding can be effectively guaranteed.
Description
technical field [0001] The invention relates to the manufacture of mobile phone shells, in particular to a method for forming thin areas of the mobile phone shell. Background technique [0002] At present, due to the design requirements of mobile phones, it is usually necessary to process a large area of thin areas on the plastic case of the mobile phone when making the plastic case of the mobile phone. For example, an NFC antenna (near field The thin area is a large thin area of the plastic case of the mobile phone. At present, the processing of the thin area on the plastic shell of the mobile phone is mainly formed by CNC (numerical control machine tool) processing, that is, the plastic injection molding is performed first to form the plastic shell of the mobile phone, and then the CNC is used to directly process the large area required for the corresponding position on the plastic shell of the mobile phone. Thin area, but due to the large area and thin thickness of t...
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IPC IPC(8): B29C45/03B29C45/26
Inventor 姜贵阳刘兵王银山
Owner 江西酷派智能科技有限公司