WO2021027444A1 - 中框、电子设备及中框的锻造工艺方法 - Google Patents

中框、电子设备及中框的锻造工艺方法 Download PDF

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Publication number
WO2021027444A1
WO2021027444A1 PCT/CN2020/100823 CN2020100823W WO2021027444A1 WO 2021027444 A1 WO2021027444 A1 WO 2021027444A1 CN 2020100823 W CN2020100823 W CN 2020100823W WO 2021027444 A1 WO2021027444 A1 WO 2021027444A1
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WIPO (PCT)
Prior art keywords
middle frame
frame
mold
process method
forging process
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PCT/CN2020/100823
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English (en)
French (fr)
Inventor
赵岩峰
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Oppo广东移动通信有限公司
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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021027444A1 publication Critical patent/WO2021027444A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0243—Mechanical details of casings for decorative purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material

Definitions

  • This application relates to the technical field of electronic devices, in particular to a forging process method for a middle frame, electronic equipment, and a middle frame.
  • the middle frame has poor expressiveness and single visual effect, which can no longer meet the user's demand for the aesthetics of the electronic device.
  • This application provides a middle frame, which has the advantages of rich appearance effects and high aesthetics.
  • the application also provides an electronic device, which includes the above-mentioned middle frame.
  • the application also provides a forging process method for a middle frame, and the middle frame forged by the forging process method has the advantages of rich appearance effects and high aesthetics.
  • the middle frame is used for an electronic device, the middle frame includes a frame, the frame includes carbon fiber and epoxy resin, and the content of the carbon fiber is 30%-60%.
  • the electronic device includes the aforementioned middle frame.
  • the middle frame includes a frame
  • the forging process method includes the following steps: preheating a mold; spraying a release agent into the mold; preheating the raw material, the raw material Including carbon fiber and epoxy resin; adding the raw material into the mold; pressing the raw material in the mold to form a semi-finished product; demolding the semi-finished product; processing the semi-finished product .
  • Fig. 1 is a schematic diagram of a middle frame according to an embodiment of the present application.
  • Figure 2 is a schematic diagram of the middle plate and the connecting buckle in Figure 1;
  • Fig. 3 is a schematic diagram of an electronic device according to an embodiment of the present application.
  • Fig. 4 is a flow chart of the forging process method of the frame according to the embodiment of the present application.
  • the middle frame 100 according to an embodiment of the present application will be described below with reference to the accompanying drawings.
  • the middle frame 100 is used for the electronic device 1000.
  • the middle frame 100 includes a frame 1, which includes carbon fiber and epoxy resin, and the content of carbon fiber is 30%-60%.
  • the manufacturing materials of the frame 1 in the present application include carbon fiber and epoxy resin, and the content of carbon fiber is 30%-60%, so that the frame 1 with forged carbon material can be formed, and the frame 1 is under different angles. Different textures can be presented, so that the frame 1 has multiple appearance effects, so that the visual diversity and aesthetics of the middle frame 100 can be improved.
  • the weight of carbon fiber is relatively light, which can reduce the weight of the middle frame 100, thereby reducing the overall quality of the electronic device 1000, thereby improving the convenience of the user to carry.
  • the content of carbon fiber is 35%, 40%, 45%, 50%, or 55%.
  • the content of carbon fiber can be set according to the model and size of the middle frame 100.
  • the content of carbon fiber mentioned above refers to the mass fraction of carbon fiber. In other words, the mass fraction of carbon fiber is 30%-60%.
  • the frame 1 may also include epoxy resin.
  • the epoxy resin has high strength and bonding strength, and the thermosetting epoxy resin can realize the integrity of the frame 1 and improve the structural strength of the frame 1.
  • the epoxy resin has stable chemical properties and is not easily corroded by acid and alkali, which can improve the reliability of the operation of the frame 1 and help extend the service life of the frame 1.
  • the epoxy resin content is 40%-70%.
  • the content of epoxy resin is 45%, 50%, 55%, 60%, or 65%.
  • the content of epoxy resin can be set according to the model and size of the middle frame 100. It should be noted that the content of the epoxy resin mentioned above refers to the mass fraction of the epoxy resin. In other words, the mass fraction of epoxy resin is greater than 40% and less than 70%.
  • the frame 1 is made of carbon fiber and glass fiber, and the content of carbon fiber is 30%-60%.
  • the frame 1 with forged carbon material can be formed, and the frame 1 can be displayed at different angles. Different textures are produced, so that the frame 1 has multiple appearance effects, so that the visual diversity and aesthetics of the middle frame 100 can be improved.
  • the weight of the middle frame 100 can also be reduced, thereby reducing the overall quality of the electronic device 1000, thereby improving the convenience of the user to carry.
  • the middle frame 100 may also include glass fiber. Glass fiber is also added to the manufacturing material of the frame 1, so that the color of the glass fiber can be selected according to needs, so that a variety of optional appearance colors can be provided for the frame 1, thereby enriching the color diversity of the middle frame 100.
  • the glass fiber content is less than or equal to 30%. Therefore, it can be ensured that the frame 1 has good tensile strength and at the same time has good formability.
  • the glass fiber content is 5%-30%. As a result, the appearance and expressiveness of the frame 1 can be improved.
  • the content of glass fiber is 5%, 10%, 15%, 20%, or 25%.
  • the content of glass fiber can be set according to the model and size of the middle frame 100. It should be noted that the content of the glass fiber mentioned above refers to the mass fraction of the glass fiber, in other words, the mass fraction of the glass fiber is 5%-30%.
  • the glass fiber includes at least one color of black, red, blue, pink, orange, yellow, and green.
  • the color of glass fiber only includes any one of black, red, blue, pink, orange, yellow, and green; or, the color of glass fiber can include black, red, blue, pink, orange, yellow, green Any two of them; or, the color of the glass fiber includes multiple (more than two) of black, red, blue, pink, orange, yellow, and green.
  • the color selectivity and diversity of the middle frame 100 can be improved, and the middle frame 100 can exhibit a variety of texture effects at different angles, which further improves the aesthetics of the middle frame 100.
  • the frame 1 is ring-shaped, and the middle of the frame 1 has a cavity; the middle frame 100 further includes a middle plate 21, which is located in the cavity and fixedly connected to the frame 1. Therefore, the reliability of the connection between the middle plate 21 and the frame 1 can be improved, and the separation of the middle plate 21 and the frame 1 can be avoided, so that the reliability of the operation of the middle plate 21 can be ensured.
  • the middle board and the frame are connected by bonding, the connection strength between the middle board and the frame is poor, and the working stability of the middle board cannot be guaranteed.
  • the middle plate 21 and the frame 1 are connected by a connecting buckle 22, so that the connection strength between the middle plate 21 and the frame 1 can be ensured.
  • the middle plate 21 can divide the cavity into an upper cavity and a lower cavity in the thickness direction of the frame 1, and the display screen assembly of the electronic device 1000 can be installed in the upper cavity, the battery of the electronic device 1000, etc.
  • the components can be installed in the lower chamber, so that interference between the display screen assembly and other parts can be avoided, and the reliability of the electronic device 1000 can be improved.
  • the middle plate 21 is an aluminum alloy plate.
  • Aluminum alloy has high thermal conductivity, which can improve the heat dissipation effect of the middle frame 100.
  • the aluminum alloy has high strength characteristics, which can ensure the reliability of the structure of the middle frame 100 and help extend the service life of the middle frame 100.
  • the outer peripheral wall of the middle plate 21 is provided with a plurality of spaced apart connecting buckles 22, one end of the connecting buckles 22 is embedded in the peripheral wall of the frame 1 to enhance the fixed connection between the middle plate 21 and the frame 1.
  • unnecessary assembly parts and connection procedures are omitted, and the molding is facilitated and the manufacturing is simple, which greatly improves the assembly efficiency of the middle plate 21 and the frame 1 and ensures the reliability of the connection between the middle plate 21 and the frame 1.
  • the integrally formed structure has higher overall strength and stability, more convenient assembly, and longer life.
  • the electronic device 1000 may be a game device, a music playing device, a storage device, an AR (Augmented Reality, augmented reality) device, or a device applied to a car.
  • a game device a music playing device
  • a storage device a storage device
  • an AR (Augmented Reality, augmented reality) device or a device applied to a car.
  • the "electronic device 1000" as used herein includes, but is not limited to, being set to be connected via a wired line (such as via a public switched telephone network (PSTN), digital subscriber line (DSL), digital cable, direct cable connection, and /Or another data connection/network) and/or via (for example, for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters, and/or other A device for receiving/sending communication signals on a wireless interface of the communication electronic device 1000.
  • PSTN public switched telephone network
  • DSL digital subscriber line
  • WLAN wireless local area networks
  • digital television networks such as DVB-H networks
  • satellite networks satellite networks
  • AM-FM broadcast transmitters AM-FM broadcast transmitters
  • the electronic device 1000 includes the aforementioned middle frame 100.
  • the frame 1 is made of carbon fiber and epoxy resin, and the content of the carbon fiber is 30%-60%.
  • the frame 1 with forged carbon material can be formed.
  • the frame 1 can be used at different angles. Different textures are presented, so that the frame 1 has a variety of appearance effects, thereby improving the visual diversity and aesthetics of the middle frame 100.
  • the weight of the middle frame 100 can also be reduced, thereby reducing the overall quality of the electronic device 1000, thereby improving the convenience of the user to carry.
  • the middle frame 100 includes the frame 1.
  • the forging process method includes the following steps: preheating the mold; spraying the release agent into the mold; preheating the raw materials, the raw materials include carbon fiber and epoxy Resin; adding raw materials to the mold; pressing the raw materials in the mold to form semi-finished parts; demolding the semi-finished parts; processing the semi-finished parts.
  • the manufacturing material of the frame 1 includes carbon fiber and epoxy resin.
  • the frame 1 with forged carbon material can be formed, and the frame 1 can exhibit different textures at different angles, so that the frame 1 has a variety of appearance effects, thereby improving the visual diversity and aesthetics of the middle frame 100.
  • the aforementioned raw materials include carbon fiber and epoxy resin.
  • the carbon fiber and epoxy resin are mixed before being added to the mold, thereby reducing the temperature and pressure in the pressing process, thereby reducing the difficulty of pressing and forming, and improving the production efficiency of the middle frame 100.
  • the forging process method of the middle frame 100 includes the following steps:
  • Step 1 Preheat the mold
  • Step 2 Spray release agent into the mold
  • Step 3 Preheat the raw materials
  • Step 4 Add raw materials to the mold
  • Step 5 Press the raw materials in the mold to form semi-finished parts
  • Step 6 Demould the semi-finished product
  • Step 7 Process the semi-finished parts.
  • the frame 1 is made of carbon fiber and epoxy resin to form the frame 1 with forged carbon material.
  • the frame 1 can exhibit different textures at different angles, so that the frame 1 With multiple appearance effects, the visual diversity and aesthetics of the middle frame 100 can be improved.
  • the weight of the middle frame 100 can also be reduced, thereby reducing the overall quality of the electronic device 1000, thereby improving the convenience of the user to carry.
  • the temperature and pressure in the pressing process can be reduced, so that the difficulty of pressing and molding can be reduced, and the production efficiency of the middle frame 100 can be improved.
  • the shear length of the carbon fiber is 20-60 mm. Therefore, the difficulty of mixing glass fiber and carbon fiber can be reduced, which is beneficial to shorten the production cycle of the middle frame 100.
  • the cut length of the carbon fiber is 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm or 60mm.
  • the content of carbon fiber is 30%-60%, and the content of epoxy resin is 40%-70%.
  • the content of carbon fiber is 35%, 40%, 45%, 50%, or 55%.
  • the content of carbon fiber can be set according to the model and size of the middle frame 100.
  • the content of epoxy resin is 45%, 50%, 55%, 60%, or 65%.
  • the content of epoxy resin can be set according to the model and size of the middle frame 100. It should be noted that both the content of carbon fiber and the content of epoxy resin mentioned above refer to mass fractions. In other words, the mass fraction of carbon fiber is 30%-60%, and the mass fraction of epoxy resin is 40%-70%.
  • the forging process method further includes adding glass fiber to the raw material, and the glass fiber content is 5%-30%.
  • the glass fiber has a certain color.
  • the color of the glass fiber can be selected according to needs, so that a variety of optional appearance colors can be provided for the frame 1, thereby enriching the color diversity of the middle frame 100. Setting the content of glass fiber at 5%-30% can ensure that the frame 1 has good tensile strength and good formability.
  • the frame 1 is ring-shaped, and the middle of the frame 1 has a cavity.
  • the middle frame 100 also includes a middle plate 21.
  • the middle plate 21 is located in the cavity.
  • the outer peripheral wall of the middle plate 21 is provided with a plurality of For the spaced apart connecting buckles 22, after adding the raw materials to the mold, the forging process method further includes: placing the middle plate 21 in the mold, and inserting one end of the connecting buckle 22 into the raw materials.
  • the middle plate 21 after placing the middle plate 21 in the mold and inserting one end of the connecting buckle 22 into the raw material, the middle plate 21 can be integrated with the frame, which not only saves redundant assembly parts and connection processes, but also facilitates molding and
  • the manufacturing is simple, which greatly improves the assembly efficiency of the middle plate 21 and the frame 1 and ensures the reliability of the connection between the middle plate 21 and the frame 1.
  • the integrated structure has higher overall strength and stability, easier assembly and longer life.
  • An inverted structure can be designed in the mold to embed the middle plate 21 in the raw material.
  • the frame 1 may also include epoxy resin, and the epoxy resin content is greater than 40% and less than 70%.
  • the epoxy resin has high strength and bonding strength, and the thermosetting epoxy resin can realize the integrity of the frame 1 and improve the structural strength of the frame 1.
  • the epoxy resin has stable chemical properties and is not easily corroded by acid and alkali, which can improve the reliability of the operation of the frame 1 and help extend the service life of the frame 1.
  • the preheating temperature is 80-110°C.
  • the preheating temperature of the raw materials may be 85°C, 90°C, 95°C, 100°C, or 105°C.
  • the temperature for preheating the raw materials can be set according to the storage environment and processing environment of the raw materials.
  • the preheating temperature is 150-180°C.
  • the mold can improve the fluidity of the raw material during the processing of the raw material, so that it is no longer necessary to apply a large processing pressure to achieve the flow of the raw material, which can reduce The difficulty and cost of forming the middle frame 100.
  • the preheating temperature of the mold may be 155°C, 160°C, 165°C, 170°C, or 175°C.
  • the temperature at which the mold is preheated can be set according to the ratio of each component of the raw material.
  • the molding pressure value is 20-80Mpa.
  • the preheating temperature of the mold can be 25Mpa, 30Mpa, 40Mpa, 50Mpa, 60Mpa, 70Mpa or 75Mpa.
  • the pressure for pressing the raw materials in the mold can be set according to the ratio of the ingredients of the raw materials
  • the forging process method of the middle frame 100 includes the following steps:
  • Step 2 Spray release agent into the mold
  • Step 3 Preheat the raw materials
  • Step 4 Add raw materials to the mold
  • Step 5 Press the raw materials in the mold, and heat the mold containing the raw materials to form a semi-finished product
  • Step 6 Demould the semi-finished product
  • Step 7 Process the semi-finished parts.
  • the heating time is 5-30 min.
  • the raw material in the molten state can fill the cavity of the mold, thereby ensuring the good rate of molding of the middle frame 100.
  • the preheating temperature of the mold may be 10 min, 15 min, 20 min, or 25 min.
  • the heating time can be set according to the ratio of each component of the raw material.
  • the processing (post-processing) of the semi-finished product also includes: CNC processing the semi-finished product, polishing the semi-finished product, and spraying transparent glue.
  • CNC machining can remove the machining allowance on the surface of the semi-finished product. After polishing the semi-finished product and spraying transparent glue, the smoothness of the surface can be improved, and the feel of the middle frame 100 can be improved.
  • the surface of the semi-finished product is inspected under a standard light source.
  • the processing quality of the finished middle frame 100 can be guaranteed, and the middle frame 100 can be prevented from being repaired twice after leaving the factory.
  • the surface polarity detection of the semi-finished product is mainly to detect whether the surface has defects such as blisters, pores or scratches.
  • the forging process in this application is not only used to manufacture the middle frame 100, but also can be used to manufacture the back cover of the electronic device 1000, the keys of the electronic device 1000 (volume key, power button) or other related to the electronic device 1000 Structural components.
  • the middle frame 100 includes frame 1, frame 1 includes carbon fiber, glass fiber and epoxy resin, the content of carbon fiber is 30%-60%, the content of glass fiber is 0-30%, and the rest is Epoxy resin.
  • the forging process method includes the following steps: Step 1: Preheat the mold at a temperature of 150-180°C; Step 2: Spray release agent into the mold; Step 3: Weigh carbon fiber, glass fiber and epoxy resin, and mix ( Weighing); Step 4: Preheat the raw materials at a temperature of 80-110°C; Step 5: Add the raw materials to the mold (install the mold); Step 6: Use the molding pressure of 20-80Mpa to compress the raw materials in the mold At the same time, heat the mold containing the raw materials at a temperature of 180°C for 5-30 minutes to form a semi-finished product; step seven: demold the semi-finished product; step eight: perform CNC processing on the semi-finished product, and polish and spray the semi-finished product Transparent glue (post-processing); Step 9: After processing the semi-
  • the research on the performance of the frame 1 manufactured with different carbon fiber content found that when the carbon fiber content is controlled at 30%-60%, the frame 1 has good tensile strength and good formability. , The appearance expressiveness is more excellent; and when the content of carbon fiber is less than 30%, the tensile strength of frame 1 is poor, and the structural strength cannot meet the demand. At the same time, the appearance expressiveness of frame 1 is poor, the plastic feel is heavy, and the fiber cannot be displayed. ; And when the content of carbon fiber is greater than 60%, the frame 1 has poor moldability and is difficult to form, and the frame 1 has poor appearance and realizable power, the pattern has a heavier texture, and the fiber feel is too strong.
  • Carbon fiber content tensile strength Formability Expressive appearance 0-30% ⁇ 550MPa Excellent, to meet suppression requirements Poor, heavy plastic feeling, unable to show fiber 30-60% 550-650MPa Excellent, to meet suppression requirements Excellent, satisfying expressiveness >60% >650MPa Poor, difficult to press molding Poor, heavy pattern and texture, strong sense of fiber
  • the quality of frame 1 (refer to Table 3) manufactured under different forging parameters (mold preheating temperature, raw material preheating temperature, molding pressure value, heating temperature, and heating time) was studied. The study found that: When the heating temperature is 150-180°C, the preheating temperature of raw materials is 80-110°C, the molding pressure is 20-80Mpa, the heating temperature during pressing is 180°C and the heating time is 5-30min, the molded middle frame 100 is not only It has good performance and good appearance.
  • the electronic device 1000 drop strength test cannot meet the drop standard; when the elongation is lower than 0.5%, it is easy to crack during processing, and cracks at the corners and corners may also occur during the roller and drop tests.
  • the properties include tensile strength, density, elastic modulus and elongation.
  • the qualified performance range is shown in Table 4.
  • the tensile strength, density, elastic modulus and elongation are tested by the following methods:
  • Density GB/T 1033-1986 plastic density and relative density test method
  • Modulus of elasticity DIN 53457 plastic testing for the determination of the modulus of elasticity in tension, compression and bending;

Abstract

一种中框(100)、电子设备(1000)及中框(100)的锻造工艺方法，中框(100)用于电子设备(1000)，中框(100)包括边框(1)，边框(1)包括碳纤维和环氧树脂，碳纤维的含量为30％-60％。

Description

中框、电子设备及中框的锻造工艺方法
相关申请的交叉引用
本申请基于申请号为201910750402.6，申请日为2019年08月14日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请涉及电子装置技术领域，尤其是涉及一种中框、电子设备及中框的锻造工艺方法。
背景技术
相关技术中，中框的表现力较差，视觉效果较为单一，已经无法满足用户对电子设备美观度的需求。
发明内容
本申请提供了一种中框，所述中框具有外观效果丰富和美观度高的优点。
本申请还提供了一种电子设备，所述电子设备包括上述中框。
本申请还提供了一种中框的锻造工艺方法，利用所述锻造工艺方法锻造的中框具有外观效果丰富和美观度高的优点。
根据本申请实施例的中框，所述中框用于电子设备，所述中框包括边框，所述边框包括碳纤维和环氧树脂，所述碳纤维的含量为30％-60％。
根据本申请实施例的电子设备，包括上述中框。
根据本申请实施例的中框的锻造工艺方法，所述中框包括边框，所述锻造工艺方法包括如下步骤：预热模具；向所述模具内喷涂脱模剂；预热原料，所述原料包括碳纤维和环氧树脂；将所述原料加入到所述模具内；对所述模具内的所述原料进行压制，以形成半成品件；对所述半成品件脱模；对所述半成品件进行加工。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明 显和容易理解，其中：
图1是根据本申请实施例的中框的示意图；
图2是图1中的中板和连接扣的示意图；
图3是根据本申请实施例的电子设备的示意图；
图4是根据本申请实施例中框的锻造工艺方法的流程图。
附图标记：
电子设备1000，
中框100，
边框1，中板21，连接扣22。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
下面参考附图描述根据本申请实施例的中框100，中框100用于电子设备1000。
根据本申请实施例的中框100，如图1所示，中框100包括边框1，边框1包括碳纤维和环氧树脂，碳纤维的含量为30％-60％。
可以理解的是，本申请中的边框1的制造材料包括碳纤维和环氧树脂，且碳纤维的含量为30％-60％，由此可以形成具有锻造碳材料的边框1，边框1在不同角度下可以呈现出不同的纹理，使得边框1具有多种外观效果，从而可以提升中框100视觉上的多样性和美观性。此外，碳纤维的质量相对较轻，由此可以减轻中框100的重量，从而降低电子设备1000的整机质量，进而提升用户携带的方便性。
例如，在本申请的一些示例中，碳纤维的含量为35％、40％、45％、50％或55％。具体地，碳纤维的含量可以根据中框100的型号和尺寸进行设定。
需要说明的是，上述碳纤维的含量是指碳纤维的质量分数。换言之，碳纤维的质量分数为30％-60％。
具体地，边框1还可以包括环氧树脂。环氧树脂具有较高的强度和粘结强度，热固后的环氧树脂可以实现边框1的一体性，提升边框1的结构强度。此外，环氧树脂的化学性质稳定，不易被酸碱腐蚀，可以提升边框1工作的可靠性，有利于延长边框1的使用寿命。在本申请的一些示例中，环氧树脂含量为40％-70％。
例如，在本申请的一些示例中，环氧树脂的含量为45％、50％、55％、60％或65％。 具体地，环氧树脂的含量可以根据中框100的型号和尺寸进行设定。需要说明的是，上述环氧树脂的含量是指环氧树脂的质量分数。换言之，环氧树脂的质量分数大于40％且小于70％。
根据本申请实施例的中框100，利用碳纤维、玻璃纤维制造边框1，其中碳纤维的含量为30％-60％，由此可以形成具有锻造碳材料的边框1，边框1在不同角度下可以呈现出不同的纹理，使得边框1具有多种外观效果，从而可以提升中框100视觉上的多样性和美观性。此外，还可以减轻中框100的重量，从而降低电子设备1000的整机质量，进而提升用户携带的方便性。
在本申请的一个实施例中，中框100还可以包括玻璃纤维。在边框1的制造材料中还加入了玻璃纤维，由此可以根据需要选择玻璃纤维的颜色，从而可以为边框1提供多种可选择的外观颜色，进而丰富了中框100颜色的多样性。
具体地，玻璃纤维含量小于等于30％。由此，可以保证边框1具有良好的抗拉强度，同时具有较好的成形性。在本申请的一个实施例中，玻璃纤维含量为5％-30％。由此，可以提升边框1的外观表现力。
例如，在本申请的一些示例中，玻璃纤维的含量为5％、10％、15％、20％或25％。具体地，玻璃纤维的含量可以根据中框100的型号和尺寸进行设定。需要说明的是，上述玻璃纤维的含量是指玻璃纤维的质量分数，换言之，玻璃纤维的质量分数为5％-30％。
在本申请的一个实施例中，玻璃纤维包括黑色、红色、蓝色、粉色、橙色、黄色、绿色中的至少一种颜色。换言之，玻璃纤维的颜色仅包括黑色、红色、蓝色、粉色、橙色、黄色、绿色中的任意一种；或者，玻璃纤维的颜色可以包括黑色、红色、蓝色、粉色、橙色、黄色、绿色中的任意两种；或者，玻璃纤维的颜色包括黑色、红色、蓝色、粉色、橙色、黄色、绿色中的多种(大于两种)。由此，可以提升中框100颜色的可选择性和多样性，同时中框100在不同角度下可以呈现出多种多样的纹理效果，进一步提升了中框100的美观性。
如图1和图2所示，边框1呈环形，边框1的中部具有空腔；中框100还包括中板21，中板21位于空腔内并与边框1固定连接。由此，可以提升中板21与边框1连接的可靠性，避免中板21与边框1发生分离，从而可以保证中板21工作的可靠性。
相关技术，中板与边框通过粘接连接，中板与边框的连接强度较差，中板工作的稳定性无法保证。而本申请中，中板21与边框1通过连接扣22连接，从而可以保证中板21与边框1的连接强度。
需要说明的是，中板21可以在边框1的厚度方向上，将空腔分割成上腔室和下腔室， 电子设备1000的显示屏组件可以安装在上腔室内，电子设备1000的电池等部件可以安装在下腔室内，从而可以避免显示屏组件与其他部分发生干涉，进而提升电子设备1000工作的可靠性。
具体地，中板21为铝合金板。铝合金具有较高的导热特性，可以提升中框100的散热效果，同时铝合金具有高强度的特性，从而可以保证中框100结构的可靠性，有利于延长中框100的使用寿命。
如图1和图2所示，中板21的外周壁上设有多个间隔开的连接扣22，连接扣22的一端嵌入边框1的周壁，以增强中板21与边框1的固定连接。由此，不仅省去了多余的装配件以及连接工序，并且方便成型、制造简单，大大提高了中板21和边框1的装配效率，保证了中板21和边框1连接的可靠性。再者，一体成型的结构的整体强度和稳定性较高，组装更方便，寿命更长。
下面参考附图描述根据本申请实施例的电子设备1000。其中，电子设备1000可以为游戏装置、音乐播放装置、存储装置、AR(Augmented Reality，增强现实)设备，或者应用于汽车的设备等。此外，作为在此使用的“电子设备1000”包括，但不限于被设置成经由有线线路连接(如经由公共交换电话网络(PSTN)、数字用户线路(DSL)、数字电缆、直接电缆连接，以及/或另一数据连接/网络)和/或经由(例如，针对蜂窝网络、无线局域网(WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器，以及/或另一通信电子设备1000的)无线接口接收/发送通信信号的装置。
如图3所示，根据本申请实施例的电子设备1000，包括上述中框100。
根据本申请实施例的电子设备1000，利用碳纤维、环氧树脂制造边框1，其中碳纤维的含量为30％-60％，由此可以形成具有锻造碳材料的边框1，边框1在不同角度下可以呈现出不同的纹理，使得边框1具有多种外观效果，从而可以提升中框100视觉上的多样性和美观性。此外，还可以减轻中框100的重量，从而降低电子设备1000的整机质量，进而提升用户携带的方便性。
下面参考附图描述根据本申请实施例的中框100的锻造工艺方法。
根据本申请实施例的中框100的锻造工艺方法，中框100包括边框1，锻造工艺方法包括如下步骤：预热模具；向模具内喷涂脱模剂；预热原料，原料包括碳纤维和环氧树脂；将原料加入到模具内；对模具内的原料进行压制，以形成半成品件；对半成品件脱模；对半成品件进行加工。
可以理解的是，边框1的制造材料包括碳纤维和环氧树脂。由此可以形成具有锻造碳材料的边框1，边框1在不同角度下可以呈现出不同的纹理，使得边框1具有多种外 观效果，从而可以提升中框100视觉上的多样性和美观性。
需要说明的是，上述原料包含碳纤维和环氧树脂。碳纤维和环氧树脂在加入模具前进行混合，由此，可以降低压制过程中的温度和压力，从而可以降低压制成型的难度，提升中框100的生产效率。
例如，在本申请的一些示例中，中框100的锻造工艺方法包括以下步骤：
步骤一：预热模具；
步骤二：向模具内喷涂脱模剂；
步骤三：预热原料；
步骤四：将原料加入到模具内；
步骤五：对模具内的原料进行压制，以形成半成品件；
步骤六：对半成品件脱模；
步骤七：对半成品件进行加工。
根据本申请实施例的中框100的锻造工艺方法，利用碳纤维和环氧树脂制造边框1，可以形成具有锻造碳材料的边框1，边框1在不同角度下可以呈现出不同的纹理，使得边框1具有多种外观效果，从而可以提升中框100视觉上的多样性和美观性。此外，还可以减轻中框100的重量，从而降低电子设备1000的整机质量，进而提升用户携带的方便性。再者，还可以降低压制过程中的温度和压力，从而可以降低压制成型的难度，提升中框100的生产效率。
在本申请的一个实施例中，碳纤维的剪切长度为20-60mm。由此，可以降低玻璃纤维和碳纤维混合的难度，有利于缩短中框100的生产周期。例如，在本申请的一些示例中，碳纤维的剪切长度为25mm、30mm、35mm、40mm、45mm、50mm、55mm或60mm。
在本申请的一个实施例中，碳纤维的含量为30％-60％，环氧树脂的含量为40％-70％。由此，不仅可以减低中框100压制成型的难度，还可以提升中框100成型的优良率。例如，在本申请的一些示例中，碳纤维的含量为35％、40％、45％、50％或55％。具体地，碳纤维的含量可以根据中框100的型号和尺寸进行设定。
例如，在本申请的一些示例中，环氧树脂的含量为45％、50％、55％、60％或65％。具体地，环氧树脂的含量可以根据中框100的型号和尺寸进行设定。需要说明的是，上述碳纤维的含量和环氧树脂的含量均是指质量分数。换言之，碳纤维的质量分数为30％-60％，环氧树脂的质量分数为40％-70％。
在本申请的一个实施例中，锻造工艺方法还包括将玻璃纤维添加到原料，玻璃纤维含量为5％-30％。玻璃纤维具有一定的颜色，通过在原料中加入玻璃纤维，可以根据需 要选择玻璃纤维的颜色，从而可以为边框1提供多种可选择的外观颜色，进而丰富了中框100颜色的多样性。将玻璃纤维的含量设定在5％-30％，可以保证边框1具有良好的抗拉强度，同时具有较好的成形性。
如图1和图2所示，边框1呈环形，边框1的中部具有空腔，中框100还包括中板21，中板21位于空腔内，中板21的外周壁上设有多个间隔开的连接扣22，在向模具加入原料后，锻造工艺方法还包括：将中板21放至模具内，并将连接扣22的一端嵌入原料。由此，可以提升中板21与边框1连接的可靠性，避免中板21与边框1发生分离，从而可以保证中板21的结构强度以及工作的可靠性。
此外，将中板21放至模具内，并将连接扣22的一端嵌入原料后，可以将中板21与边框一体化，由此不仅省去了多余的装配件以及连接工序，并且方便成型、制造简单，大大提高了中板21和边框1的装配效率，保证了中板21和边框1连接的可靠性。再者，一体化的结构的整体强度和稳定性较高，组装更方便，寿命更长。可以在模具内设计倒扣结构，将中板21嵌入到原料中。
具体地，边框1在包括碳纤维和玻璃纤维的基础上，还可以包括环氧树脂，环氧树脂含量大于40％且小于70％。环氧树脂具有较高的强度和粘结强度，热固后的环氧树脂可以实现边框1的一体性，提升边框1的结构强度。此外，环氧树脂的化学性质稳定，不易被酸碱腐蚀，可以提升边框1工作的可靠性，有利于延长边框1的使用寿命。
如图4所示，在对原料预热时，预热温度为80-110℃。由此，可以去除原料中掺杂的水汽或者水分，从而可以提升中框100成型的优良率。例如，在本申请的一些示例中，原料的预热温度可以为85℃、90℃、95℃、100℃或105℃。具体地，对原料进行预热的温度，可以根据原料的储存环境和加工环境进行设定。
如图4所示，在预热模具时，预热温度为150-180℃。在150-180℃的温度下对模具进行预热后，模具在对原料进行加工过程中，可以提升原料的流动性，从而不再需要施加较大的加工压力以实现原料的流动，进而可以降低中框100加工成型的难度和成本。例如，在本申请的一些示例中，模具的预热温度可以为155℃、160℃、165℃、170℃或175℃。具体地，对模具进行预热的温度，可以根据原料的各成分的比例进行设定。
如图4所示，在对模具内的原料进行压制时，模压压力值20-80Mpa。由此，可以保证中框100具有良好的成型效果。在本申请的一些示例中，模具的预热温度可以为25Mpa、30Mpa、40Mpa、50Mpa、60Mpa、70Mpa或75Mpa。具体地，对模具内的原料进行压制的压力可以根据原料的各成分的比例进行设定
如图4所示，在对模具内的原料进行压制时，还包括：对装有原料的模具进行加热， 加热温度为180℃。由此，可以提升原料的流动性，从而不再需要施加较大的加工压力以实现原料的流动，进而可以降低中框100加工成型的难度和成本。
例如，在本申请的一些示例中，中框100的锻造工艺方法包括以下步骤：
步骤一：预热模具；
步骤二：向模具内喷涂脱模剂；
步骤三：预热原料；
步骤四：将原料加入到模具内；
步骤五：对模具内的原料进行压制，对装有原料的模具进行加热，以形成半成品件；
步骤六：对半成品件脱模；
步骤七：对半成品件进行加工。
具体地，加热时间为5-30min。由此，熔融状态下的原料可以充满模具的腔室，从而可以保证中框100成型的优良率。在本申请的一些示例中，模具的预热温度可以为10min、15min、20min或25min。具体地，加热的时间可以根据原料的各成分的比例进行设定。
如图4所示，对半成品件进行加工时(后处理)还包括：对半成品件进行CNC加工，对半成品件进行打磨、喷涂透明胶。通过CNC加工可以去除半成品件表面的加工余量，对半成品件进行打磨、喷涂透明胶后可以提升表面的光滑度，提升中框100的使用手感。
如图4所示，对半成品件进行加工后，对半成品件在标准光源下进行表面检测。由此，可以保证成品中框100的加工质量，避免中框100出厂后二次返修。具体地，对半成品的表面极性检测主要是检测表面是否存在砂眼、气孔或者划痕等不良问题。
需要说明的是，本申请中的锻造工艺方法不仅用于可以制造中框100，也可以用于制造电子设备1000后盖、电子设备1000按键(音量键、电源键)或者涉及电子设备1000的其他结构部件。
下面参考附图描述根据本申请一个具体实施例的中框100的锻造工艺方法。值得理解的是，下述描述只是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
如图1和图4所示，中框100包括边框1，边框1包括碳纤维、玻璃纤维和环氧树脂，碳纤维的含量为30％-60％，玻璃纤维的含量为0-30％，其余为环氧树脂。锻造工艺方法包括如下步骤：步骤一：在150-180℃的温度下预热模具；步骤二：向模具内喷涂脱模剂；步骤三：称取碳纤维、玻璃纤维和环氧树脂，并混合(称料)；步骤四：在80-110℃的温度下预热原料；步骤五：将原料加入到模具内(装模)；步骤六：利用20-80Mpa的模压压力对模具内的原料进行压制，同时对装有原料的模具在180℃的温度下加热 5-30min，以形成半成品件；步骤七：对半成品件脱模；步骤八：对半成品件进行CNC加工，对半成品件进行打磨、喷涂透明胶(后处理)；步骤九：对半成品件进行加工后，对半成品件在标准光源下进行表面检测(检验)。
具体地，在对不同碳纤维含量制造出的边框1的性能(参照表1)的研究发现，碳纤维的含量控制在30％-60％时，边框1具有良好的抗拉强度，而且成形性较好，外观表现力更为优异；而当碳纤维的含量小于30％时，边框1的抗拉强度较差，结构强度无法满足需求，同时边框1的外观表现力较差，塑胶感重，无法显示纤维；而当碳纤维的含量大于60％时，边框1的成型性较差，难以成型，同时边框1的外观变现力较差，图案的纹理表现较重，纤维感过强。
表1
碳纤维含量 抗拉强度 成形性 外观表现力
0-30％ <550MPa 优，满足压制要求 差，塑胶感重，无法显示纤维
30-60％ 550-650MPa 优，满足压制要求 优，满足表现力
>60％ >650MPa 差，难以压制成型 差，图案纹理表现重，纤维感强
在对不同碳纤维含量制造出的边框1的性能(参照表2)的研究发现，玻璃纤维的含量控制在0％-5％时，边框1具有良好的抗拉强度，而且成形性较好，但外观表现力稍有不足；而当玻璃纤维的含量控制在5％-30％时，在保证边框1具有优异的抗拉强度和成形性的同时，提升了边框1的外观表现力；而当玻璃纤维的含量大于30％时，边框1的成型性较差，难以成型，同时边框1的外观变现力较差，玻璃纤维的纹理表现较重，而且边框1在不同角度下无法呈现出不同的纹理。
表2
Figure PCTCN2020100823-appb-000001
在对不同锻造参数下(模具预热温度、原料预热温度、模压压力值、加热温度以及加热时间)制造出的边框1的品质(参照表3)进行了研究，研究发现：当模具的预热温度为150-180℃、原料的预热温度在80-110℃、模压压力在20-80Mpa，压制时的加热温度为180℃以及加热时间为5-30min时，制造成型的中框100不仅具有良好的性能，同时还具有良好的外观表现力。
表3
Figure PCTCN2020100823-appb-000002
当抗拉强度低于550MPa时，电子设备1000跌落强度测试不能满足跌落标准；延伸率低于0.5％时，加工过程中容易开裂，并且在滚筒、跌落测试中也会出现边角的开裂。
其中，性能包括抗拉强度、密度、弹性模量和延伸率，合格的性能范围如表4所示。
表4
Figure PCTCN2020100823-appb-000003
具体地，抗拉强度、密度、弹性模量和延伸率是通过以下方法进行检测：
抗拉强度：GB/T 1040-2006塑料拉伸性能试验方法；
密度：GB/T 1033-1986塑料密度和相对密度试验方法；
弹性模量：DIN 53457塑料检验拉伸、压缩和弯曲弹性模量的测定；
延伸率：GB/T 1040-2006塑料拉伸性能试验方法。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示意性实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表 述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (20)

  1. 一种中框，其特征在于，所述中框用于电子设备，所述中框包括边框，所述边框包括碳纤维和环氧树脂，所述碳纤维的含量为30％-60％。
  2. 根据权利要求1所述的中框，其特征在于，所述中框还包括玻璃纤维，所述玻璃纤维含量小于等于30％。
  3. 根据权利要求2所述的中框，其特征在于，所述玻璃纤维含量为5％-30％。
  4. 根据权利要求2所述的中框，其特征在于，所述玻璃纤维包括黑色、红色、蓝色、粉色、橙色、黄色、绿色中的至少一种颜色。
  5. 根据权利要求1-4中任一项所述的中框，其特征在于，所述边框呈环形，所述边框的中部具有空腔；所述中框还包括中板，所述中板位于所述空腔内并与所述边框固定连接。
  6. 根据权利要求5所述的中框，其特征在于，所述中板的外周壁上设有多个间隔开的连接扣，所述连接扣的一端嵌入所述边框的周壁，以增强所述中板与所述边框的固定连接。
  7. 根据权利要求5所述的中框，其特征在于，所述中板为铝合金板。
  8. 一种电子设备，其特征在于，包括根据权利要求1-7中任一项所述的中框。
  9. 一种中框的锻造工艺方法，所述中框包括边框，其特征在于，所述锻造工艺方法包括如下步骤：
    预热模具；
    向所述模具内喷涂脱模剂；
    预热原料，所述原料包括碳纤维和环氧树脂；
    将所述原料加入到所述模具内；
    对所述模具内的所述原料进行压制，以形成半成品件；
    对所述半成品件脱模；
    对所述半成品件进行加工。
  10. 根据权利要求9所述的中框的锻造工艺方法，其特征在于，所述碳纤维的剪切长度为20-60mm。
  11. 根据权利要求9或10所述的中框的锻造工艺方法，其特征在于，所述碳纤维的含量为30％-60％，所述环氧树脂的含量为40％-70％。
  12. 根据权利要求9-11中任一项所述的中框的锻造工艺方法，其特征在于，还包括将玻璃纤维添加到所述原料，所述玻璃纤维的含量为5％-30％。
  13. 根据权利要求9-12中任一项所述的中框的锻造工艺方法，其特征在于，所述边框呈环形，所述边框的中部具有空腔；所述中框还包括中板，所述中板位于所述空腔内，所述中板的外周壁上设有多个间隔开的连接扣，在向所述模具加入所述原料后，所述锻造工艺方法还包括：
    将所述中板放至所述模具内，并将所述连接扣的一端嵌入所述原料。
  14. 根据权利要求9-13中任一项所述的中框的锻造工艺方法，其特征在于，在预热所述模具时，预热温度为150-180℃。
  15. 根据权利要求9-14中任一项所述的中框的锻造工艺方法，其特征在于，在对所述原料预热时，预热温度为80-110℃。
  16. 根据权利要求9-15中任一项所述的中框的锻造工艺方法，其特征在于，在对所述模具内的所述原料进行压制时，模压压力值20-80Mpa。
  17. 根据权利要求9-16中任一项所述的中框的锻造工艺方法，其特征在于，在对所述模具内的所述原料进行压制时，还包括：
    对装有所述原料的所述模具进行加热，加热温度为180℃。
  18. 根据权利要求17所述的中框的锻造工艺方法，其特征在于，加热时间为5-30min。
  19. 根据权利要求9-18中任一项所述的中框的锻造工艺方法，其特征在于，对所述半成品件进行加工时，还包括：
    对所述半成品件进行CNC加工；
    对所述半成品件进行打磨、喷涂透明胶。
  20. 根据权利要求9-19中任一项所述的中框的锻造工艺方法，其特征在于，对所述半成品件进行加工后，对所述半成品件在标准光源下进行表面检测。
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