WO2017156901A1 - Processing method for clearance area of shell, shell and mobile terminal - Google Patents

Processing method for clearance area of shell, shell and mobile terminal Download PDF

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Publication number
WO2017156901A1
WO2017156901A1 PCT/CN2016/085549 CN2016085549W WO2017156901A1 WO 2017156901 A1 WO2017156901 A1 WO 2017156901A1 CN 2016085549 W CN2016085549 W CN 2016085549W WO 2017156901 A1 WO2017156901 A1 WO 2017156901A1
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WO
WIPO (PCT)
Prior art keywords
housing
micro slits
area
micro
casing
Prior art date
Application number
PCT/CN2016/085549
Other languages
French (fr)
Chinese (zh)
Inventor
李静
杨光明
Original Assignee
广东欧珀移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201610157104.2A external-priority patent/CN105657101B/en
Priority claimed from CN201610250522.6A external-priority patent/CN105855127A/en
Application filed by 广东欧珀移动通信有限公司 filed Critical 广东欧珀移动通信有限公司
Publication of WO2017156901A1 publication Critical patent/WO2017156901A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets

Definitions

  • the present invention relates to the field of electronic devices, and in particular, to a method, a housing, and a mobile terminal for processing a clearance area of a casing.
  • a certain clearance area is generally processed by a numerical control machine tool on the back side of the metal mobile phone for the RF signal to pass, but the inventor found that the clearance area is limited by the tool or control mode of the numerical control machine tool when processing the above process. It is impossible to process a clearance area of a specific shape, or the clearance area is often large, which affects the overall feeling of the mobile phone.
  • the technical problem to be solved by the present invention is to provide a method for processing a clearance area of a casing which is capable of machining a casing of a specific shape of the clearance area and ensuring the appearance integrity of the casing.
  • the invention provides a method for processing a clearance area of a casing, comprising:
  • the support structure is cut away.
  • the method comprises:
  • Nano-injection filling was performed on each of the micro slits to obtain a clearance area.
  • the method comprises:
  • the glue in the predetermined number of micro slits is cured.
  • the method further comprises:
  • the housing is cleaned.
  • the glue in the at least one of the micro slits is cured by ultraviolet curing or baking curing.
  • the method further comprises:
  • the glue on the housing is removed using a numerically controlled machine tool.
  • the glue on the casing is removed by removing the thickness of the predetermined thickness of the casing by a numerically controlled machine tool.
  • the method further includes the steps of: manufacturing the housing, including:
  • the inner shape and the outer shape of the predetermined shape of the metal plate are processed on a numerically controlled machine tool to obtain a casing.
  • the auxiliary cooling treatment is performed during the laser cutting process.
  • the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
  • the method comprises:
  • the housing having the clearance area is surface treated.
  • the support structure is cut off by a numerically controlled machine tool.
  • the slit width of the micro slit is less than 0.3 mm.
  • the slit width of the micro slit is 0.05 to 0.15 mm.
  • the housing is a back cover of the mobile terminal.
  • first surface is an inner side surface of the housing
  • second surface is the outer surface of the housing Outside surface
  • an embodiment of the present invention further provides a housing made of a signal shielding material and having a preset area; the preset area is provided with a preset number of micro slits, the preset A plurality of micro slits are juxtaposed with each other, each of the micro slits being filled with a non-signal shielding material to form a clearance area for passing a radio frequency signal.
  • the slit width of the micro slit is 0.05 to 0.15 mm.
  • an embodiment of the present invention further provides a mobile terminal, including the above-mentioned housing.
  • the present invention has the following beneficial effects:
  • the method provided in the embodiment of the present invention cuts a predetermined number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slits to obtain a clearance area of a specific shape, and at the same time, due to the micro slit
  • the narrower the proportion of the non-signal shielding material of the housing is reduced, and the appearance integrity of the housing is ensured.
  • FIG. 1 is a schematic flow chart of a method for processing a clearance area of a casing according to an embodiment of the present invention
  • FIG. 2 is a schematic flow chart of a method for processing a clearance area of another housing according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic view of a housing provided by an embodiment of the present invention.
  • FIG. 1 is a schematic flow chart of a method for processing a clearance area of a casing according to an embodiment of the present invention. As shown in FIG. 1, the method of the embodiment of the present invention may include the following steps S101 to S113.
  • S101 providing a housing, the housing is made of a signal shielding material and has a preset area, and the preset area includes a first surface and a second surface disposed opposite to each other.
  • the housing is made according to actual needs. It can be understood that the housing can be a back cover of the mobile terminal.
  • the preset area is set in a certain area of the housing according to actual needs, and the preset area is an area on the housing that needs to pass the radio frequency signal.
  • the first surface is the inner side surface of the back cover
  • the second surface is the outer side surface of the back cover
  • the outer side surface is exposed to the air, that is, the surface that the user can directly contact.
  • the housing may also be a front case of the mobile terminal or a back cover with a bezel.
  • the shell is made by inserting a metal sheet into a mold and punching it into a metal plate of a predetermined shape; and processing the internal structure and the outer shape of the metal plate of the preset shape on the numerically controlled machine tool to obtain a casing .
  • the metal plate is an aluminum plate, the large aluminum plate is cut into small pieces of aluminum plate, and the cut small piece of aluminum plate is put into a mold to be stamped to form a metal plate of a predetermined shape. It is understandable that aluminum The number of stampings of the sheet may be one time or multiple times of continuous stamping; the metal sheet is machined on a numerically controlled machine tool to form a desired shell.
  • S103 processing at least one support structure.
  • At least one support structure is formed on the first surface of the preset area such that the support structure protrudes from the first surface.
  • the support structure is three, which are sequentially arranged along the lateral direction of the casing, that is, the width direction, on the first surface of the clearance area, that is, on the inner side surface, so that the subsequent support structure is cut and removed, and the first surface is left behind.
  • the trace is inside the mobile terminal, and the mobile terminal needs to be disassembled to observe, and does not affect the overall appearance of the mobile terminal.
  • the support structure is pierced to prevent deformation of the housing during laser cutting.
  • the support structure may be other structures as long as it supports, for example, the support structure is a rib or a rib. when However, in other embodiments, the number of support structures may be other.
  • S105 Laser cutting a preset number of micro slits.
  • the laser cutter is aligned with the second surface of the preset area to cut a preset number of micro slits, and the preset number of micro slits are arranged side by side, and each support structure spans a preset number of micro slits to The housing connections are integrated.
  • the laser of the laser cutting machine cuts the micro slit from the first surface through the second surface, the preset number is three, and the three micro slits are sequentially arranged along the longitudinal direction of the casing, that is, the length direction thereof, wherein the inventor passes through a large number of
  • the experimental method of the present invention can be used to make the slit width of the micro slits less than 0.3 mm, and the preferred slit width is 0.05 mm to 0.15 mm.
  • the slit width of the micro slits is 0.06 mm. The naked eye is almost invisible, ensuring that the RF signal of the antenna in the mobile terminal can pass while also improving the overall appearance of the casing.
  • Each support structure spans three micro slits, that is, blocks three micro slits to form a good support structure.
  • the number of micro slits may be other, and the slit width of the micro slit may be 0.05 mm or 0.15 mm or the like.
  • the auxiliary cooling treatment is simultaneously performed during the laser cutting process to reduce the temperature during the laser cutting process to form the desired micro slit. It can be understood that the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
  • the micro-seam is processed in the casing, there may be burrs or dirt on the inner, outer or circumferential surface of the micro-slit, and the surface of the casing is processed in order to facilitate filling the micro-slit of the casing.
  • burrs and dirt of the casing are removed to facilitate subsequent filling of the micro slits of the casing, thereby further improving the appearance integrity of the casing.
  • this step can be omitted.
  • the casing having the clearance area is etched.
  • the non-signal shielding material is a material that can pass the radio frequency signal. It can be understood that the non-signal shielding material can be plastic, wherein each micro slit is subjected to nano (NMT) injection molding to obtain a clearance area.
  • NMT nano
  • Each micro slit filled with a non-signal shielding material can form a clearing area of the antenna through the RF signal of the antenna, that is, a plurality of micro slits.
  • the shell having the clearance area is subjected to surface polishing, sand blasting, anodizing to form a multi-color appearance effect, and the performance of the housing is further improved.
  • this step can also be omitted.
  • the support structure is cut by a numerically controlled machine tool.
  • the processing method of the clearance area of the casing cuts a preset number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slit to obtain a clearance area of a specific shape.
  • the narrow micro slit due to the narrow micro slit, the use of the non-signal shielding material of the housing is reduced, and the appearance integrity of the housing is ensured.
  • FIG. 2 is a schematic flow chart of a method for processing a clearance area of another housing according to an embodiment of the present invention. As shown in FIG. 2, the method in the embodiment of the present invention may include the following steps S201 to S217.
  • the housing is made of a signal shielding material and has a preset area, and the preset area includes a first surface and a second surface disposed opposite to each other.
  • the housing is made according to actual needs. It can be understood that the housing can be a back cover of the mobile terminal.
  • the preset area is set in a certain area of the housing according to actual needs, and the preset area is an area on the housing that needs to pass the radio frequency signal.
  • the first surface is the inner side surface of the back cover
  • the second surface is the outer side surface of the back cover
  • the outer side surface is exposed to the air, that is, the surface that the user can directly contact.
  • the housing may also be a front case of the mobile terminal or a back cover with a bezel.
  • the shell is made by inserting a metal sheet into a mold and punching it into a metal plate of a predetermined shape; and processing the internal structure and the outer shape of the metal plate of the preset shape on the numerically controlled machine tool to obtain a casing .
  • the metal plate is an aluminum plate, the large aluminum plate is cut into small pieces of aluminum plate, and the cut small piece of aluminum plate is put into a mold to be stamped to form a metal plate of a predetermined shape. It is understandable that aluminum The number of stampings of the sheet may be one time or multiple times of continuous stamping; the metal sheet is machined on a numerically controlled machine tool to form a desired shell.
  • S203 processing at least one support structure.
  • At least one support structure is formed on the first surface of the preset area such that the support structure protrudes from the first surface.
  • the support structure is three, which are sequentially arranged along the lateral direction of the casing, that is, the width direction, on the first surface of the clearance area, that is, on the inner side surface, so that the subsequent support structure is cut and removed, and the first surface is left behind.
  • the trace is inside the mobile terminal, and the mobile terminal needs to be disassembled to observe, and does not affect the overall appearance of the mobile terminal.
  • the support structure is pierced to prevent deformation of the housing during laser cutting.
  • the support structure may be other structures as long as it supports, for example, the support structure is a rib or a rib. In other embodiments, the number of support structures may also be other.
  • S205 The laser cuts a preset number of micro slits.
  • the laser cutter is aligned with the second surface of the preset area to cut a preset number of micro slits, and the preset number of micro slits are arranged side by side, and each support structure spans a preset number of micro slits to The housing connections are integrated.
  • the laser of the laser cutting machine cuts the micro slit from the first surface through the second surface, the preset number is three, and the three micro slits are sequentially arranged along the longitudinal direction of the casing, that is, the length direction thereof, wherein the inventor passes through a large number of Experiments have been made to study that the slit width of the micro slit is less than 0.3 mm and the slit width of the preferred micro slit is 0.05 mm to 0.15 mm by the processing method in the embodiment of the present invention. In this embodiment, the slit width of the micro slit is 0.06mm, the naked eye is almost invisible, ensuring that the RF signal of the antenna in the mobile terminal can pass and also improve the overall appearance of the casing.
  • Each support structure spans three micro slits, that is, blocks three micro slits to form a good support structure.
  • the number of micro slits may be other, and the slit width of the micro slit may be 0.05 mm or 0.15 mm or the like.
  • the auxiliary cooling treatment is simultaneously performed during the laser cutting process to reduce the temperature during the laser cutting process to form the desired micro slit. It can be understood that the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
  • the micro-seam is processed in the casing, there may be burrs or dirt on the inner, outer or circumferential surface of the micro-slit, and the surface of the casing is processed in order to facilitate filling the micro-slit of the casing. It can be understood that the burrs and dirt of the casing are removed to facilitate subsequent filling of the micro slits of the casing, thereby further improving the appearance integrity of the casing.
  • the housing is placed between the dispenser and the suction jig, the first surface of the housing faces the dispensing head of the dispenser, and the second surface faces the suction fixture, and the dispenser is preset The number of micro slits is dispensed while the suction fixture inhales the glue in the preset number of micro slits.
  • the housing is placed on the positioning fixture of the dispenser to ensure the alignment and tolerance of the dispensing head and the micro slit of the dispenser, and a plurality of through holes are formed in the positioning fixture to form the suction clamp.
  • the housing When the housing is placed on the positioning fixture, it can be located between the dispensing head of the dispenser and the suction clamp, and the dispensing head dispenses the micro slit, and the plurality of through holes on the suction clamp correspond to the micro
  • the glue in the slit is inhaled to form a negative pressure between the housing and the suction clamp, so that the micro slit
  • the glue in the flow has fluidity, can flow from the first surface to the second surface, and is uniformly filled in the micro slit, thereby achieving complete filling of the glue in the micro slit.
  • the glue in the preset number of micro slits is cured. Among them, after the glue is completely filled in the micro slit, the glue needs to be solidified. It can be understood that the glue in the micro slit can be cured by ultraviolet curing or baking.
  • the above method for filling the non-signal shielding material in each microslit to obtain a clearance area is to dispense the first surface of the casing by the dispenser, while the micro-seam is applied to the second surface of the casing by the suction jig.
  • the glue in the suction forms a negative pressure, which improves the fluidity of the glue, so that the glue in the dispenser can be uniformly filled in the casing, thereby improving the appearance integrity of the casing.
  • the glue may overflow the micro slit and adhere to the surface of the shell, which affects the overall appearance of the shell, so the glue on the shell is removed by a numerically controlled machine tool.
  • the glue on the surface of the casing is completely removed by removing a certain thickness of the casing by a numerically controlled machine tool.
  • the casing having the clearance area is subjected to surface treatment.
  • the shell having the clearance area is surface-polished, sandblasted, anodized to form a multi-color appearance effect, and the performance of the casing is further improved.
  • the support structure is cut by a numerically controlled machine tool.
  • the processing method of the clearance area of the casing cuts a preset number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slit to obtain a clearance area of a specific shape. At the same time, due to the narrow micro slit, the proportion of the non-signal shielding material of the casing is reduced, and the appearance integrity of the casing is ensured.
  • the processing method of the clearance area of the casing is used to dispense the first surface of the casing by the dispenser, and the glue in the micro-slit is utilized by the suction fixture on the second surface of the casing.
  • the suction generates a negative pressure, which improves the fluidity of the glue, so that the glue in the dispenser can be uniformly filled in the casing, thereby improving the appearance integrity of the casing.
  • the mobile terminal 200 provided by the embodiment of the present invention will be described in detail below with reference to FIG. 3 and FIG. It should be noted that the mobile terminal 200 and the housing 100 shown in FIG. 3 and FIG. 4 pass The method of the embodiment shown in FIG. 1 to FIG. 2 is manufactured. For the convenience of description, only parts related to the embodiment of the present invention are shown. Without specific details, please refer to FIG. 1 to FIG. 2 of the present invention. The embodiment shown.
  • the mobile terminal 200 includes a housing 100, a middle frame 300, and a front case 400 which are manufactured by the method of the embodiment shown in FIG. 1 to FIG. 2, wherein the embodiment of the present invention relates to
  • the mobile terminal 200 can be any device having communication and storage functions, such as: tablet, mobile phone, e-reader, remote controller, personal computer (PC), notebook computer, car device, network television, wearable device Such as smart devices with network capabilities.
  • the front case 400 is used to set the display touch screen, and the middle frame 300 is disposed between the front case 400 and the housing 100.
  • the housing 100 is a back cover of the mobile terminal 200 .
  • the housing 100 is made of a signal shielding material. It can be understood that the signal shielding material is metal. In this embodiment, the material of the housing 100 is aluminum.
  • the housing 100 has a preset area, the preset area is provided with a preset number of micro slits 1, and a preset number of micro slits 1 are arranged side by side, and each of the micro slits 1 is filled with a non-signal shielding material 2 for forming
  • the non-signal shielding material 2 is plastic, rubber or glue. In this embodiment, the non-signal shielding material 2 is plastic, which further facilitates the transmission of the radio frequency signal.
  • the housing 100 can also be a front cover or a back cover with a bezel.
  • the micro slits 1 are three, and the micro slits 1 are sequentially disposed on the casing 100 at intervals along the longitudinal direction L1 of the casing 100, that is, the longitudinal direction thereof.
  • the slit width of the micro slit 1 is less than 0.3 mm. It can be understood that the slit width of the micro slit 1 is 0.05 to 0.15 mm. In the present embodiment, the micro slit 1 is The slit width is 0.06 mm, and the spacing between the adjacent two micro slits 1 is larger than the slit width of the micro slit 1, further improving the overall appearance of the housing 100. In other embodiments, the slit width of the slit 1 can be 0.05 mm or 0.15 mm.
  • the housing 100 and the mobile terminal 200 provided by the embodiments of the present invention have a clearance area with a specific shape and a small area, which ensures the appearance integrity of the housing 100.
  • modules or units of the embodiments of the present invention may be combined or split according to actual needs.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Casings For Electric Apparatus (AREA)
  • Telephone Set Structure (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

Disclosed is a processing method for a clearance area of a shell, comprising: providing a shell, wherein the shell is made of a signal shielding material and has a pre-set area, and the pre-set area comprises a first surface and a second surface arranged opposite each other; machining at least one support structure on the first surface of the pre-set area; aligning a laser cutting machine with the second surface of the pre-set area, and cutting the pre-set area to obtain a pre-set number of slits, wherein the pre-set number of slits are arranged in parallel at intervals; filling every slit with a non-signal shielding material so as to obtain a clearance area; and cutting out the support structure. According to the method provided in the embodiments of the present invention, a pre-set number of slits are cut on a shell using a laser, and a clearance area is formed by filling a slit with a material, so as to obtain a clearance area with a specific shape; and meanwhile, since the slit is relatively narrow, the proportion of a non-signal shielding material of the shell is reduced, thus ensuring the appearance integrity of the shell. Also provided are a shell and a mobile terminal.

Description

一种壳体的净空区域的加工方法、壳体和移动终端Processing method, housing and mobile terminal of clearance area of housing 技术领域Technical field
本发明涉及电子设备领域，尤其涉及一种壳体的净空区域的加工方法、壳体和移动终端。The present invention relates to the field of electronic devices, and in particular, to a method, a housing, and a mobile terminal for processing a clearance area of a casing.
背景技术Background technique
随着科技的发展和市场的需求，全金属的手机的需求愈来愈大。全金属手机虽然美观，但其金属外壳会对天线的射频信号产生一定的阻挡。With the development of technology and the needs of the market, the demand for all-metal mobile phones is growing. Although the all-metal mobile phone is beautiful, its metal casing will block the RF signal of the antenna.
现有技术中在金属手机的背面一般通过数控机床加工出一定的净空区域，以供射频信号通过，但是发明人在加工上述工艺时发现，该净空区域由于数控机床的刀具或者控制方式的限制，其无法加工出特定形状的净空区域，或者净空区域面积往往较大，影响手机的整体感。In the prior art, a certain clearance area is generally processed by a numerical control machine tool on the back side of the metal mobile phone for the RF signal to pass, but the inventor found that the clearance area is limited by the tool or control mode of the numerical control machine tool when processing the above process. It is impossible to process a clearance area of a specific shape, or the clearance area is often large, which affects the overall feeling of the mobile phone.
发明内容Summary of the invention
本发明所要解决的技术问题在于提供一种壳体的净空区域的加工方法，其能够加工出特定形状的净空区域的壳体并保证壳体的外观整体性。The technical problem to be solved by the present invention is to provide a method for processing a clearance area of a casing which is capable of machining a casing of a specific shape of the clearance area and ensuring the appearance integrity of the casing.
本发明提供了一种壳体的净空区域的加工方法，包括：The invention provides a method for processing a clearance area of a casing, comprising:
提供壳体，所述壳体由信号屏蔽材料制成且具有预设区域，所述预设区域包括相背设置的第一表面和第二表面；Providing a housing made of a signal shielding material and having a predetermined area, the predetermined area including a first surface and a second surface disposed opposite each other;
在所述预设区域的第一表面加工出至少一个支撑结构，以使所述支撑结构凸设于所述第一表面上；Forming at least one support structure on the first surface of the predetermined area such that the support structure protrudes from the first surface;
将激光切割机对准所述预设区域的第二表面，并将所述预设区域切割出预设数量的微缝，所述预设数量的微缝彼此间隔并列设置，每个所述支撑结构横跨所述预设数量的微缝，以将所述壳体连接成为一个整体；Aligning the laser cutter to the second surface of the predetermined area, and cutting the preset area into a preset number of micro slits, the preset number of micro slits being spaced apart from each other, each of the supports a structure spanning the predetermined number of micro slits to join the housings as a unit;
在每个所述微缝中填充非信号屏蔽材料以获得净空区域；Filling each of the micro slits with a non-signal shielding material to obtain a clearance area;
将所述支撑结构切除。The support structure is cut away.
其中，在所述在每个所述微缝中填充非信号屏蔽材料的步骤中，包括：Wherein, in the step of filling the non-signal shielding material in each of the micro slits, the method comprises:
对每个所述微缝进行纳米注塑填充以获得净空区域。 Nano-injection filling was performed on each of the micro slits to obtain a clearance area.
其中，在所述在每个所述微缝中填充非信号屏蔽材料以获得净空区域的步骤中，包括：Wherein, in the step of filling the non-signal shielding material in each of the micro slits to obtain a clearance area, the method comprises:
将所述壳体放置于点胶机和吸气治具之间，所述壳体的第一表面正对所述点胶机的点胶头，所述第二表面朝向所述吸气治具，所述点胶机对所述预设数量的微缝进行点胶，同时所述吸气治具对所述预设数量的微缝中的胶水进行吸气；Placing the housing between the dispenser and the suction jig, the first surface of the housing facing the dispensing head of the dispenser, the second surface facing the suction fixture Dissolving, by the dispenser, the preset number of micro slits, while the suction jig inhales the glue in the preset number of micro slits;
对所述预设数量的微缝中的胶水进行固化。The glue in the predetermined number of micro slits is cured.
其中，在所述在每个所述微缝中填充非信号屏蔽材料的步骤之前，还包括：Wherein, before the step of filling the non-signal shielding material in each of the micro slits, the method further comprises:
清洗所述壳体。The housing is cleaned.
其中，包括：Among them, including:
去除所述壳体的毛刺和脏污。The burrs and dirt of the casing are removed.
其中，至少一条所述微缝中的胶水的固化方式为紫外线固化或者烘烤固化。Wherein, the glue in the at least one of the micro slits is cured by ultraviolet curing or baking curing.
其中，在所述对至少一条所述微缝中的胶水进行固化的步骤后，还包括：Wherein, after the step of curing the glue in the at least one of the micro slits, the method further comprises:
利用数控机床去除所述壳体上的胶水。The glue on the housing is removed using a numerically controlled machine tool.
其中，通过数控机床去除所述壳体的预设厚度的料厚来去除所述壳体上的胶水。Wherein, the glue on the casing is removed by removing the thickness of the predetermined thickness of the casing by a numerically controlled machine tool.
其中，还包括制作所述壳体的步骤，包括：The method further includes the steps of: manufacturing the housing, including:
将金属板材放入模具中冲压成预设形状的金属板；Forming a metal plate into a mold and punching into a metal plate of a predetermined shape;
在数控机床上对所述预设形状的金属板进行内部结构和外部造型的加工，以获得壳体。The inner shape and the outer shape of the predetermined shape of the metal plate are processed on a numerically controlled machine tool to obtain a casing.
其中，在激光切割过程中进行辅助降温处理。Among them, the auxiliary cooling treatment is performed during the laser cutting process.
其中，所述辅助降温处理为高压氮气辅助降温处理。Wherein, the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
其中，在所述在每个所述微缝中填充非信号屏蔽材料以获得净空区域的步骤后，包括：Wherein, after the step of filling the non-signal shielding material in each of the micro slits to obtain a clearance area, the method comprises:
将具有所述净空区域的壳体进行表面处理。The housing having the clearance area is surface treated.
其中，通过数控机床将所述支撑结构切除。The support structure is cut off by a numerically controlled machine tool.
其中，所述微缝的缝宽小于0.3mm。Wherein, the slit width of the micro slit is less than 0.3 mm.
其中，所述微缝的缝宽为0.05～0.15mm。Wherein, the slit width of the micro slit is 0.05 to 0.15 mm.
其中，所述壳体为移动终端的背盖。Wherein, the housing is a back cover of the mobile terminal.
其中，所述第一表面为所述壳体的内侧表面，所述第二表面为所述壳体的 外侧表面。Wherein the first surface is an inner side surface of the housing, and the second surface is the outer surface of the housing Outside surface.
另一方面，本发明实施例还提供了一种壳体，所述壳体由信号屏蔽材料制成且具有预设区域；所述预设区域设置有预设数量的微缝，所述预设数量的微缝彼此间隔并列设置，每个所述微缝中填充有非信号屏蔽材料形成净空区域，所述净空区域用于通过射频信号。In another aspect, an embodiment of the present invention further provides a housing made of a signal shielding material and having a preset area; the preset area is provided with a preset number of micro slits, the preset A plurality of micro slits are juxtaposed with each other, each of the micro slits being filled with a non-signal shielding material to form a clearance area for passing a radio frequency signal.
其中，所述微缝的缝宽为0.05～0.15mm。Wherein, the slit width of the micro slit is 0.05 to 0.15 mm.
另一方面，本发明实施例还提供了一种移动终端，包括上述的壳体。In another aspect, an embodiment of the present invention further provides a mobile terminal, including the above-mentioned housing.
相较于现有技术，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
在本发明实施例中提供的方法通过激光在壳体上切割出了预设数量的微缝，并且通过在微缝中填充材料形成了净空区域，以获得特定形状的净空区域，同时由于微缝较窄，降低了壳体的非信号屏蔽材料的占比，保证了壳体的外观整体性。The method provided in the embodiment of the present invention cuts a predetermined number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slits to obtain a clearance area of a specific shape, and at the same time, due to the micro slit The narrower, the proportion of the non-signal shielding material of the housing is reduced, and the appearance integrity of the housing is ensured.
附图说明DRAWINGS
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以如这些附图获得其他的附图。In order to more clearly illustrate the technical solutions of the present invention, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention, which are common in the art. For the skilled person, other drawings can be obtained as shown in these drawings without any creative work.
图1是本发明实施例提供的一种壳体的净空区域的加工方法的流程示意图；1 is a schematic flow chart of a method for processing a clearance area of a casing according to an embodiment of the present invention;
图2是本发明实施例提供的另一种壳体的净空区域的加工方法的流程示意图；2 is a schematic flow chart of a method for processing a clearance area of another housing according to an embodiment of the present invention;
图3是本发明实施例提供的移动终端的示意图；3 is a schematic diagram of a mobile terminal according to an embodiment of the present invention;
图4是本发明实施例提供的壳体的示意图。4 is a schematic view of a housing provided by an embodiment of the present invention.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.
本发明新型实施例的描述中，需要理解的是，术语“横向”“纵向”“长度”“宽度”“厚度”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是暗示或指示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。In the description of the novel embodiments of the present invention, it is to be understood that the orientation or positional relationship indicated by the terms "transverse", "longitudinal", "length", "width", "thickness", etc. is based on the orientation or positional relationship shown in the drawings, only The present invention has been described with respect to the invention and is not intended to be construed as a limitation of the invention.
下面将结合附图1-附图2，对本发明实施例提供的壳体的净空区域的加工方法进行详细介绍。The processing method of the clearance area of the casing provided by the embodiment of the present invention will be described in detail below with reference to FIG. 1 to FIG.
请参见图1，是本发明实施例提供的一种壳体的净空区域的加工方法的流程示意图。如图1所示，本发明实施例的方法可以包括以下步骤S101-步骤S113。1 is a schematic flow chart of a method for processing a clearance area of a casing according to an embodiment of the present invention. As shown in FIG. 1, the method of the embodiment of the present invention may include the following steps S101 to S113.
S101：提供壳体，壳体由信号屏蔽材料制成且具有预设区域，预设区域包括相背设置的第一表面和第二表面。S101: providing a housing, the housing is made of a signal shielding material and has a preset area, and the preset area includes a first surface and a second surface disposed opposite to each other.
具体的，根据实际需求制作壳体，可以理解的，壳体可以为移动终端的背盖。预设区域根据实际需求设置在壳体的某个区域，预设区域为壳体上需要通过射频信号的某个区域。其中，第一表面为背盖的内侧表面，第二表面为背盖的外侧表面，外侧表面暴露于空气中即用户可以直接接触到的表面。当然，在其它实施例中，壳体还可以为移动终端的前壳或者具有边框的后盖。Specifically, the housing is made according to actual needs. It can be understood that the housing can be a back cover of the mobile terminal. The preset area is set in a certain area of the housing according to actual needs, and the preset area is an area on the housing that needs to pass the radio frequency signal. Wherein, the first surface is the inner side surface of the back cover, the second surface is the outer side surface of the back cover, and the outer side surface is exposed to the air, that is, the surface that the user can directly contact. Of course, in other embodiments, the housing may also be a front case of the mobile terminal or a back cover with a bezel.
优选的，通过以下方式制作壳体：将金属板材放入模具中冲压成预设形状的金属板；在数控机床上对预设形状的金属板进行内部结构和外部造型的加工，以获得壳体。其中，金属板材为铝板材，将大块的铝板材切割成小块的铝板材，将裁切好的小块铝板材放入模具中进行冲压形成预设形状的金属板，可以理解的，铝板材的冲压次数可以为一次，也可以为多次连续冲压；将金属板在数控机床上进行加工，形成所需的壳体。Preferably, the shell is made by inserting a metal sheet into a mold and punching it into a metal plate of a predetermined shape; and processing the internal structure and the outer shape of the metal plate of the preset shape on the numerically controlled machine tool to obtain a casing . Among them, the metal plate is an aluminum plate, the large aluminum plate is cut into small pieces of aluminum plate, and the cut small piece of aluminum plate is put into a mold to be stamped to form a metal plate of a predetermined shape. It is understandable that aluminum The number of stampings of the sheet may be one time or multiple times of continuous stamping; the metal sheet is machined on a numerically controlled machine tool to form a desired shell.
S103：加工出至少一个支撑结构。S103: processing at least one support structure.
具体的，在预设区域的第一表面加工出至少一个支撑结构，以使支撑结构凸设于第一表面上。支撑结构为三个，其沿着壳体的横向即宽度方向依次间隔排列于净空区域的第一表面上，即内侧表面上，以使得后续支撑结构进行切割去除时，第一表面上留下的痕迹处于移动终端的内部，需拆开移动终端方可观察到，不会影响移动终端外观的整体性。可以理解的，支撑结构为桥墩状，以防止壳体在进行激光切割过程中变形。当然，在其它实施例中，支撑结构可以为其它结构，只要起到支撑作用即可，比如说支撑结构为加强筋或者肋板。当 然，在其它实施例中，支撑结构的数量还可以为其它。Specifically, at least one support structure is formed on the first surface of the preset area such that the support structure protrudes from the first surface. The support structure is three, which are sequentially arranged along the lateral direction of the casing, that is, the width direction, on the first surface of the clearance area, that is, on the inner side surface, so that the subsequent support structure is cut and removed, and the first surface is left behind. The trace is inside the mobile terminal, and the mobile terminal needs to be disassembled to observe, and does not affect the overall appearance of the mobile terminal. It will be appreciated that the support structure is pierced to prevent deformation of the housing during laser cutting. Of course, in other embodiments, the support structure may be other structures as long as it supports, for example, the support structure is a rib or a rib. when However, in other embodiments, the number of support structures may be other.
S105：激光切割预设数量微缝。S105: Laser cutting a preset number of micro slits.
具体的，将激光切割机对准预设区域的第二表面切割出预设数量的微缝，预设数量的微缝间隔并列设置，每个支撑结构横跨预设数量的微缝，以将壳体连接成为一个整体。其中，激光切割机的激光从第一表面穿透第二表面切割出微缝，预设数量为三条，三条微缝沿着壳体的纵向即其长度方向依次间隔排列，其中，发明人经过大量的实验研究出通过本发明实施例中的加工方法，能够使得微缝的缝宽小于0.3mm，优选的缝宽为0.05mm～0.15mm，本实施例中，微缝的缝宽为0.06mm，肉眼几乎不可视，保证移动终端中的天线的射频信号能够通过的同时亦提高壳体的外观的整体性。每个支撑结构横跨三条微缝，即遮挡住三条微缝，形成良好的支撑结构。当然，在其它实施例中，微缝的数量还可以为其它，且微缝的缝宽可为0.05mm或0.15mm等尺寸。Specifically, the laser cutter is aligned with the second surface of the preset area to cut a preset number of micro slits, and the preset number of micro slits are arranged side by side, and each support structure spans a preset number of micro slits to The housing connections are integrated. Wherein, the laser of the laser cutting machine cuts the micro slit from the first surface through the second surface, the preset number is three, and the three micro slits are sequentially arranged along the longitudinal direction of the casing, that is, the length direction thereof, wherein the inventor passes through a large number of The experimental method of the present invention can be used to make the slit width of the micro slits less than 0.3 mm, and the preferred slit width is 0.05 mm to 0.15 mm. In the present embodiment, the slit width of the micro slits is 0.06 mm. The naked eye is almost invisible, ensuring that the RF signal of the antenna in the mobile terminal can pass while also improving the overall appearance of the casing. Each support structure spans three micro slits, that is, blocks three micro slits to form a good support structure. Of course, in other embodiments, the number of micro slits may be other, and the slit width of the micro slit may be 0.05 mm or 0.15 mm or the like.
优选的，同时在激光切割过程中进行辅助降温处理，以降低激光切割过程中的温度，形成所需的微缝。可以理解的，辅助降温处理为高压氮气辅助降温处理。Preferably, the auxiliary cooling treatment is simultaneously performed during the laser cutting process to reduce the temperature during the laser cutting process to form the desired micro slit. It can be understood that the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
S107：清洗壳体。S107: Clean the casing.
具体的，壳体在加工出微缝后，微缝的内部、外部或者周面可能存在毛刺或者脏污，为了利于对壳体的微缝进行填充，对壳体的表面进行处理。可以理解的，去除壳体的毛刺和脏污，以利于壳体的微缝的后续填充，进一步提高壳体的外观整体性。当然，在其它实施例中，该步骤可以省略。Specifically, after the micro-seam is processed in the casing, there may be burrs or dirt on the inner, outer or circumferential surface of the micro-slit, and the surface of the casing is processed in order to facilitate filling the micro-slit of the casing. It can be understood that the burrs and dirt of the casing are removed to facilitate subsequent filling of the micro slits of the casing, thereby further improving the appearance integrity of the casing. Of course, in other embodiments, this step can be omitted.
S109：对每个微缝进行纳米(NMT)注塑填充，以实现在每个微缝中填充非信号屏蔽材料以获得净空区域。S109: Nano (NMT) injection molding filling is performed on each micro slit to realize filling a non-signal shielding material in each micro slit to obtain a clearance area.
具体的，对具有净空区域的壳体进行蚀刻处理。其中，非信号屏蔽材料为可以通过射频信号的材料，可以理解的，非信号屏蔽材料可以为塑料，其中，每个微缝进行纳米(NMT)注塑填充以获得净空区域。每条填充有非信号屏蔽材料的微缝皆能够通过天线的射频信号，即多条微缝形成天线的净空区域。Specifically, the casing having the clearance area is etched. Wherein, the non-signal shielding material is a material that can pass the radio frequency signal. It can be understood that the non-signal shielding material can be plastic, wherein each micro slit is subjected to nano (NMT) injection molding to obtain a clearance area. Each micro slit filled with a non-signal shielding material can form a clearing area of the antenna through the RF signal of the antenna, that is, a plurality of micro slits.
S111：将具有净空区域的壳体进行表面处理。S111: Surface treating the casing having the clearance area.
具体的，将具有净空区域的壳体进行表面抛光、喷砂、阳极氧化形成多种颜色的外观效果，进一步提高壳体的性能。当然，在其它实施例中，该步骤亦可以省略。 Specifically, the shell having the clearance area is subjected to surface polishing, sand blasting, anodizing to form a multi-color appearance effect, and the performance of the housing is further improved. Of course, in other embodiments, this step can also be omitted.
S113：将支撑结构切除。S113: The support structure is cut off.
具体的，通过数控机床将支撑结构切除。Specifically, the support structure is cut by a numerically controlled machine tool.
本发明实施例提供的壳体的净空区域的加工方法通过激光在壳体上切割出了预设数量的微缝，并且通过在微缝中填充材料形成了净空区域，以获得特定形状的净空区域，同时由于微缝较窄，降低了壳体的非信号屏蔽材料的使用，保证了壳体的外观整体性。The processing method of the clearance area of the casing provided by the embodiment of the invention cuts a preset number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slit to obtain a clearance area of a specific shape. At the same time, due to the narrow micro slit, the use of the non-signal shielding material of the housing is reduced, and the appearance integrity of the housing is ensured.
请参见图2，是本发明实施例提供的另一种壳体的净空区域的加工方法的流程示意图。如图2所示，本发明实施例的方法可以包括以下步骤S201-步骤S217。FIG. 2 is a schematic flow chart of a method for processing a clearance area of another housing according to an embodiment of the present invention. As shown in FIG. 2, the method in the embodiment of the present invention may include the following steps S201 to S217.
S201：提供壳体，壳体由信号屏蔽材料制成且具有预设区域，预设区域包括相背设置的第一表面和第二表面。具体的，根据实际需求制作壳体，可以理解的，壳体可以为移动终端的背盖。预设区域根据实际需求设置在壳体的某个区域，预设区域为壳体上需要通过射频信号的某个区域。其中，第一表面为背盖的内侧表面，第二表面为背盖的外侧表面，外侧表面暴露于空气中即用户可以直接接触到的表面。当然，在其它实施例中，壳体还可以为移动终端的前壳或者具有边框的后盖。S201: providing a housing, the housing is made of a signal shielding material and has a preset area, and the preset area includes a first surface and a second surface disposed opposite to each other. Specifically, the housing is made according to actual needs. It can be understood that the housing can be a back cover of the mobile terminal. The preset area is set in a certain area of the housing according to actual needs, and the preset area is an area on the housing that needs to pass the radio frequency signal. Wherein, the first surface is the inner side surface of the back cover, the second surface is the outer side surface of the back cover, and the outer side surface is exposed to the air, that is, the surface that the user can directly contact. Of course, in other embodiments, the housing may also be a front case of the mobile terminal or a back cover with a bezel.
优选的，通过以下方式制作壳体：将金属板材放入模具中冲压成预设形状的金属板；在数控机床上对预设形状的金属板进行内部结构和外部造型的加工，以获得壳体。其中，金属板材为铝板材，将大块的铝板材切割成小块的铝板材，将裁切好的小块铝板材放入模具中进行冲压形成预设形状的金属板，可以理解的，铝板材的冲压次数可以为一次，也可以为多次连续冲压；将金属板在数控机床上进行加工，形成所需的壳体。Preferably, the shell is made by inserting a metal sheet into a mold and punching it into a metal plate of a predetermined shape; and processing the internal structure and the outer shape of the metal plate of the preset shape on the numerically controlled machine tool to obtain a casing . Among them, the metal plate is an aluminum plate, the large aluminum plate is cut into small pieces of aluminum plate, and the cut small piece of aluminum plate is put into a mold to be stamped to form a metal plate of a predetermined shape. It is understandable that aluminum The number of stampings of the sheet may be one time or multiple times of continuous stamping; the metal sheet is machined on a numerically controlled machine tool to form a desired shell.
S203：加工出至少一个支撑结构。S203: processing at least one support structure.
具体的，在预设区域的第一表面加工出至少一个支撑结构，以使支撑结构凸设于第一表面上。支撑结构为三个，其沿着壳体的横向即宽度方向依次间隔排列于净空区域的第一表面上，即内侧表面上，以使得后续支撑结构进行切割去除时，第一表面上留下的痕迹处于移动终端的内部，需拆开移动终端方可观察到，不会影响移动终端外观的整体性。可以理解的，支撑结构为桥墩状，以防止壳体在进行激光切割过程中变形。当然，在其它实施例中，支撑结构可以为其它结构，只要起到支撑作用即可，比如说支撑结构为加强筋或者肋板当然， 在其它实施例中，支撑结构的数量还可以为其它。Specifically, at least one support structure is formed on the first surface of the preset area such that the support structure protrudes from the first surface. The support structure is three, which are sequentially arranged along the lateral direction of the casing, that is, the width direction, on the first surface of the clearance area, that is, on the inner side surface, so that the subsequent support structure is cut and removed, and the first surface is left behind. The trace is inside the mobile terminal, and the mobile terminal needs to be disassembled to observe, and does not affect the overall appearance of the mobile terminal. It will be appreciated that the support structure is pierced to prevent deformation of the housing during laser cutting. Of course, in other embodiments, the support structure may be other structures as long as it supports, for example, the support structure is a rib or a rib. In other embodiments, the number of support structures may also be other.
S205：激光切割预设数量微缝。S205: The laser cuts a preset number of micro slits.
具体的，将激光切割机对准预设区域的第二表面切割出预设数量的微缝，预设数量的微缝间隔并列设置，每个支撑结构横跨预设数量的微缝，以将壳体连接成为一个整体。其中，激光切割机的激光从第一表面穿透第二表面切割出微缝，预设数量为三条，三条微缝沿着壳体的纵向即其长度方向依次间隔排列，其中，发明人经过大量的实验研究出通过本发明实施例中的加工方法，能够使得微缝的缝宽小于0.3mm，优选的微缝的缝宽为0.05mm～0.15mm，本实施例中，微缝的缝宽为0.06mm，肉眼几乎不可视，保证移动终端中的天线的射频信号能够通过的同时亦提高壳体的外观的整体性。每个支撑结构横跨三条微缝，即遮挡住三条微缝，形成良好的支撑结构。当然，在其它实施例中，微缝的数量还可以为其它，且微缝的缝宽可为0.05mm或0.15mm等尺寸。Specifically, the laser cutter is aligned with the second surface of the preset area to cut a preset number of micro slits, and the preset number of micro slits are arranged side by side, and each support structure spans a preset number of micro slits to The housing connections are integrated. Wherein, the laser of the laser cutting machine cuts the micro slit from the first surface through the second surface, the preset number is three, and the three micro slits are sequentially arranged along the longitudinal direction of the casing, that is, the length direction thereof, wherein the inventor passes through a large number of Experiments have been made to study that the slit width of the micro slit is less than 0.3 mm and the slit width of the preferred micro slit is 0.05 mm to 0.15 mm by the processing method in the embodiment of the present invention. In this embodiment, the slit width of the micro slit is 0.06mm, the naked eye is almost invisible, ensuring that the RF signal of the antenna in the mobile terminal can pass and also improve the overall appearance of the casing. Each support structure spans three micro slits, that is, blocks three micro slits to form a good support structure. Of course, in other embodiments, the number of micro slits may be other, and the slit width of the micro slit may be 0.05 mm or 0.15 mm or the like.
优选的，同时在激光切割过程中进行辅助降温处理，以降低激光切割过程中的温度，形成所需的微缝。可以理解的，辅助降温处理为高压氮气辅助降温处理。Preferably, the auxiliary cooling treatment is simultaneously performed during the laser cutting process to reduce the temperature during the laser cutting process to form the desired micro slit. It can be understood that the auxiliary cooling treatment is a high pressure nitrogen assisted cooling treatment.
S207：清洗壳体。S207: Clean the casing.
具体的，壳体在加工出微缝后，微缝的内部、外部或者周面可能存在毛刺或者脏污，为了利于对壳体的微缝进行填充，对壳体的表面进行处理。可以理解的，去除壳体的毛刺和脏污，以利于壳体的微缝的后续填充，进一步提高壳体的外观整体性。Specifically, after the micro-seam is processed in the casing, there may be burrs or dirt on the inner, outer or circumferential surface of the micro-slit, and the surface of the casing is processed in order to facilitate filling the micro-slit of the casing. It can be understood that the burrs and dirt of the casing are removed to facilitate subsequent filling of the micro slits of the casing, thereby further improving the appearance integrity of the casing.
S209：将壳体放于点胶机和吸气治具之间，点胶机对微缝点胶的同时通过吸气治具对微缝中的胶水吸气，以实现在每个微缝中填充非信号屏蔽材料以获得净空区域。S209: placing the shell between the dispenser and the suction jig, and the dispenser dispenses the glue in the micro slit through the suction fixture to dispense the glue in the micro slit. Fill the non-signal shielding material to obtain a clear area.
具体的，将壳体放置于点胶机和吸气治具之间，壳体的第一表面正对点胶机的点胶头，第二表面朝向吸气治具，点胶机对预设数量的微缝进行点胶，同时吸气治具对预设数量的微缝中的胶水进行吸气。具体的，将壳体放置于点胶机的定位治具上，保证点胶机的点胶头与微缝的对位及公差，同时在定位夹具上开设多个通孔形成吸气夹具，当壳体放置于定位治具上时，即能够位于点胶机的点胶头和吸气夹具之间，点胶头对微缝进行点胶，吸气夹具上的多个通孔对对应的微缝中的胶水进行吸气以在壳体和吸气夹具之间形成负压，使得微缝 中的胶水具有流动性，能够从第一表面流动至第二表面，且均匀填充于微缝中，实现微缝中胶水的完全填充。Specifically, the housing is placed between the dispenser and the suction jig, the first surface of the housing faces the dispensing head of the dispenser, and the second surface faces the suction fixture, and the dispenser is preset The number of micro slits is dispensed while the suction fixture inhales the glue in the preset number of micro slits. Specifically, the housing is placed on the positioning fixture of the dispenser to ensure the alignment and tolerance of the dispensing head and the micro slit of the dispenser, and a plurality of through holes are formed in the positioning fixture to form the suction clamp. When the housing is placed on the positioning fixture, it can be located between the dispensing head of the dispenser and the suction clamp, and the dispensing head dispenses the micro slit, and the plurality of through holes on the suction clamp correspond to the micro The glue in the slit is inhaled to form a negative pressure between the housing and the suction clamp, so that the micro slit The glue in the flow has fluidity, can flow from the first surface to the second surface, and is uniformly filled in the micro slit, thereby achieving complete filling of the glue in the micro slit.
S211：固化胶水。S211: Curing glue.
具体的，对预设数量的微缝中的胶水进行固化。其中，在胶水完全填充于微缝后，需要对胶水进行固化。可以理解的，述微缝中的胶水的固化方式可以为紫外线固化，还可以为烘烤固化。Specifically, the glue in the preset number of micro slits is cured. Among them, after the glue is completely filled in the micro slit, the glue needs to be solidified. It can be understood that the glue in the micro slit can be cured by ultraviolet curing or baking.
上述实现在每个微缝中填充非信号屏蔽材料以获得净空区域的方法通过点胶机对壳体的第一表面进行点胶，同时在壳体的第二表面利用吸气治具对微缝中的胶水吸气形成负压，提高胶水的流动性，使得点胶机中的胶水能够均匀填充于壳体中，提高壳体的外观整体性。The above method for filling the non-signal shielding material in each microslit to obtain a clearance area is to dispense the first surface of the casing by the dispenser, while the micro-seam is applied to the second surface of the casing by the suction jig. The glue in the suction forms a negative pressure, which improves the fluidity of the glue, so that the glue in the dispenser can be uniformly filled in the casing, thereby improving the appearance integrity of the casing.
S213：去除壳体上的胶水。S213: Remove the glue on the casing.
具体的，微缝中进行填充固化后，可能胶水会溢出微缝，粘接在壳体的表面，影响壳体的外观整体性，故利用数控机床去除壳体上的胶水。优选的，通过数控机床去除壳体的一定厚度的料厚来完全去除壳体表面上的胶水。Specifically, after the filling and solidification in the micro slit, the glue may overflow the micro slit and adhere to the surface of the shell, which affects the overall appearance of the shell, so the glue on the shell is removed by a numerically controlled machine tool. Preferably, the glue on the surface of the casing is completely removed by removing a certain thickness of the casing by a numerically controlled machine tool.
S215：对壳体进行表面处理。S215: Surface treatment of the casing.
具体的，将具有净空区域的壳体进行表面处理。其中，将具有净空区域的壳体进行表面抛光、喷砂、阳极氧化形成多种颜色的外观效果，进一步提高壳体的性能。Specifically, the casing having the clearance area is subjected to surface treatment. Wherein, the shell having the clearance area is surface-polished, sandblasted, anodized to form a multi-color appearance effect, and the performance of the casing is further improved.
S217：将支撑结构切除。S217: The support structure is cut off.
具体的，通过数控机床将支撑结构切除。Specifically, the support structure is cut by a numerically controlled machine tool.
本发明实施例提供的壳体的净空区域的加工方法通过激光在壳体上切割出了预设数量的微缝，并且通过在微缝中填充材料形成了净空区域，以获得特定形状的净空区域，同时由于微缝较窄，降低了壳体的非信号屏蔽材料的占比，保证了壳体的外观整体性。The processing method of the clearance area of the casing provided by the embodiment of the invention cuts a preset number of micro slits on the casing by laser, and forms a clearance area by filling the material in the micro slit to obtain a clearance area of a specific shape. At the same time, due to the narrow micro slit, the proportion of the non-signal shielding material of the casing is reduced, and the appearance integrity of the casing is ensured.
另外，本发明实施例提供的壳体的净空区域的加工方法通过点胶机对壳体的第一表面进行点胶，同时在壳体的第二表面利用吸气治具对微缝中的胶水吸气形成负压，提高胶水的流动性，使得点胶机中的胶水能够均匀填充于壳体中，提高壳体的外观整体性。In addition, the processing method of the clearance area of the casing provided by the embodiment of the invention is used to dispense the first surface of the casing by the dispenser, and the glue in the micro-slit is utilized by the suction fixture on the second surface of the casing. The suction generates a negative pressure, which improves the fluidity of the glue, so that the glue in the dispenser can be uniformly filled in the casing, thereby improving the appearance integrity of the casing.
下面将结合附图3和图4，对本发明实施例提供的移动终端200进行详细介绍。需要说明的是，附图3和附图4所示的移动终端200和壳体100，通过 本发明图1-图2所示实施例的方法制造而成，为了便于说明，仅示出了与本发明实施例相关的部分，具体技术细节未揭示的，请参照本发明图1-图2所示的实施例。The mobile terminal 200 provided by the embodiment of the present invention will be described in detail below with reference to FIG. 3 and FIG. It should be noted that the mobile terminal 200 and the housing 100 shown in FIG. 3 and FIG. 4 pass The method of the embodiment shown in FIG. 1 to FIG. 2 is manufactured. For the convenience of description, only parts related to the embodiment of the present invention are shown. Without specific details, please refer to FIG. 1 to FIG. 2 of the present invention. The embodiment shown.
在本实施例中，请参照图3，移动终端200包括通过图1-图2所示实施例的方法制造而成的壳体100、中框300和前壳400，其中，本发明实施例涉及的移动终端200可以是任何具备通信和存储功能的设备，例如：平板电脑、手机、电子阅读器、遥控器、个人计算机(Personal Computer，PC)、笔记本电脑、车载设备、网络电视、可穿戴设备等具有网络功能的智能设备。可以理解的，前壳400用于设置显示触控屏，中框300设置于前壳400和壳体100之间。In this embodiment, referring to FIG. 3, the mobile terminal 200 includes a housing 100, a middle frame 300, and a front case 400 which are manufactured by the method of the embodiment shown in FIG. 1 to FIG. 2, wherein the embodiment of the present invention relates to The mobile terminal 200 can be any device having communication and storage functions, such as: tablet, mobile phone, e-reader, remote controller, personal computer (PC), notebook computer, car device, network television, wearable device Such as smart devices with network capabilities. It can be understood that the front case 400 is used to set the display touch screen, and the middle frame 300 is disposed between the front case 400 and the housing 100.
在本实施例中，请参照图4，壳体100为移动终端200的背盖。壳体100由信号屏蔽材料制成，可以理解的，信号屏蔽材料为金属，本实施例中，壳体100的材质为铝。壳体100具有预设区域，预设区域设置有预设数量的微缝1，预设数量的微缝1彼此间隔并列设置，,每个微缝1中填充有非信号屏蔽材料2形成用于给天线的射频信号通过的净空区域10，可以理解的，非信号屏蔽材料2为塑料、橡胶或胶水，本实施例中，非信号屏蔽材料2为塑料，进一步利于射频信号的传输。当然，在其它实施例中，壳体100还可以为前盖或者具有边框的后盖。In this embodiment, referring to FIG. 4 , the housing 100 is a back cover of the mobile terminal 200 . The housing 100 is made of a signal shielding material. It can be understood that the signal shielding material is metal. In this embodiment, the material of the housing 100 is aluminum. The housing 100 has a preset area, the preset area is provided with a preset number of micro slits 1, and a preset number of micro slits 1 are arranged side by side, and each of the micro slits 1 is filled with a non-signal shielding material 2 for forming The non-signal shielding material 2 is plastic, rubber or glue. In this embodiment, the non-signal shielding material 2 is plastic, which further facilitates the transmission of the radio frequency signal. Of course, in other embodiments, the housing 100 can also be a front cover or a back cover with a bezel.
其中，微缝1为三条，微缝1沿着壳体100的纵向L1即其长度方向依次间隔设置于壳体100上。The micro slits 1 are three, and the micro slits 1 are sequentially disposed on the casing 100 at intervals along the longitudinal direction L1 of the casing 100, that is, the longitudinal direction thereof.
可以理解的，为了保证壳体100外观的整体性，微缝1的缝宽小于0.3mm，可以理解的，微缝1的缝宽为0.05～0.15mm，在本实施例中，微缝1的缝宽为0.06mm，相邻两条微缝1之间的间距大于微缝1的缝宽，进一步提高壳体100外观的整体性。在其他实施例中，微缝1的缝宽可为0.05mm或0.15mm。本发明实施例提供的壳体100和移动终端200具有特定形状且面积较小的净空区域，保证了壳体100的外观整体性。It can be understood that, in order to ensure the integrity of the appearance of the housing 100, the slit width of the micro slit 1 is less than 0.3 mm. It can be understood that the slit width of the micro slit 1 is 0.05 to 0.15 mm. In the present embodiment, the micro slit 1 is The slit width is 0.06 mm, and the spacing between the adjacent two micro slits 1 is larger than the slit width of the micro slit 1, further improving the overall appearance of the housing 100. In other embodiments, the slit width of the slit 1 can be 0.05 mm or 0.15 mm. The housing 100 and the mobile terminal 200 provided by the embodiments of the present invention have a clearance area with a specific shape and a small area, which ensures the appearance integrity of the housing 100.
本发明实施例的模块或单元可以根据实际需求组合或拆分。The modules or units of the embodiments of the present invention may be combined or split according to actual needs.
以上是本发明实施例的实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明实施例原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。 The above is an embodiment of the present invention, and it should be noted that those skilled in the art can also make some improvements and retouching without departing from the principles of the embodiments of the present invention. It is considered as the scope of protection of the present invention.

Claims (20)

  1. 一种壳体的净空区域的加工方法，其特征在于，包括：A method for processing a clearance area of a casing, comprising:
    提供壳体，所述壳体由信号屏蔽材料制成且具有预设区域，所述预设区域包括相背设置的第一表面和第二表面；Providing a housing made of a signal shielding material and having a predetermined area, the predetermined area including a first surface and a second surface disposed opposite each other;
    在所述预设区域的第一表面加工出至少一个支撑结构，以使所述支撑结构凸设于所述第一表面上；Forming at least one support structure on the first surface of the predetermined area such that the support structure protrudes from the first surface;
    将激光切割机对准所述预设区域的第二表面，并将所述预设区域切割出预设数量的微缝，所述预设数量的微缝彼此间隔并列设置，每个所述支撑结构横跨所述预设数量的微缝，以将所述壳体连接成为一个整体；Aligning the laser cutter to the second surface of the predetermined area, and cutting the preset area into a preset number of micro slits, the preset number of micro slits being spaced apart from each other, each of the supports a structure spanning the predetermined number of micro slits to join the housings as a unit;
    在每个所述微缝中填充非信号屏蔽材料以获得净空区域；Filling each of the micro slits with a non-signal shielding material to obtain a clearance area;
    将所述支撑结构切除。The support structure is cut away.
  2. 根据权利要求1所述的方法，其特征在于，在所述在每个所述微缝中填充非信号屏蔽材料的步骤中，包括：The method according to claim 1, wherein in the step of filling the non-signal shielding material in each of the micro slits, the method comprises:
    对每个所述微缝进行纳米注塑填充以获得净空区域。Nano-injection filling was performed on each of the micro slits to obtain a clearance area.
  3. 如权利要求1所述的方法，其特征在于，在所述在每个所述微缝中填充非信号屏蔽材料以获得净空区域的步骤中，包括：The method according to claim 1, wherein in the step of filling the non-signal shielding material in each of the micro slits to obtain a clearance area, the method comprises:
    将所述壳体放置于点胶机和吸气治具之间，所述壳体的第一表面正对所述点胶机的点胶头，所述第二表面朝向所述吸气治具，所述点胶机对所述预设数量的微缝进行点胶，同时所述吸气治具对所述预设数量的微缝中的胶水进行吸气；Placing the housing between the dispenser and the suction jig, the first surface of the housing facing the dispensing head of the dispenser, the second surface facing the suction fixture Dissolving, by the dispenser, the preset number of micro slits, while the suction jig inhales the glue in the preset number of micro slits;
    对所述预设数量的微缝中的胶水进行固化。The glue in the predetermined number of micro slits is cured.
  4. 根据权利要求2或3所述的方法，其特征在于，在所述在每个所述微缝中填充非信号屏蔽材料的步骤之前，还包括：The method according to claim 2 or 3, further comprising: before the step of filling the non-signal shielding material in each of the micro slits, further comprising:
    清洗所述壳体。The housing is cleaned.
  5. 根据权利要求4所述的方法，其特征在于，包括：The method of claim 4, comprising:
    去除所述壳体的毛刺和脏污。The burrs and dirt of the casing are removed.
  6. 根据权利要求3所述的方法，其特征在于，所述预设数量的微缝中的胶水的固化方式为紫外线固化或者烘烤固化。The method according to claim 3, wherein the glue in the predetermined number of micro slits is cured by ultraviolet curing or baking curing.
  7. 根据权利要求3所述的方法，其特征在于，在所述对预设数量的微缝中的胶水进行固化的步骤后，还包括： The method according to claim 3, further comprising: after the step of curing the glue in the predetermined number of micro slits, further comprising:
    利用数控机床去除所述壳体上的胶水。The glue on the housing is removed using a numerically controlled machine tool.
  8. 根据权利要求7所述的方法，其特征在于，通过数控机床去除所述壳体的预设厚度的料厚来去除所述壳体上的胶水。The method according to claim 7, wherein the glue on the casing is removed by removing the thickness of the predetermined thickness of the casing by a numerically controlled machine tool.
  9. 根据权利要求1所述的方法，其特征在于，还包括制作所述壳体的步骤，包括：The method of claim 1 further comprising the step of fabricating said housing, comprising:
    将金属板材放入模具中冲压成预设形状的金属板；Forming a metal plate into a mold and punching into a metal plate of a predetermined shape;
    在数控机床上对所述预设形状的金属板进行内部结构和外部造型的加工，以获得壳体。The inner shape and the outer shape of the predetermined shape of the metal plate are processed on a numerically controlled machine tool to obtain a casing.
  10. 根据权利要求1所述的方法，其特征在于，在激光切割过程中进行辅助降温处理。The method of claim 1 wherein the auxiliary cooling process is performed during the laser cutting process.
  11. 根据权利要求10所述的方法，其特征在于，所述辅助降温处理为高压氮气辅助降温处理。The method of claim 10 wherein said auxiliary cooling process is a high pressure nitrogen assisted cooling process.
  12. 根据权利要求1所述的方法，其特征在于，在所述在每个所述微缝中填充非信号屏蔽材料以获得净空区域的步骤后，包括：The method according to claim 1, wherein after the step of filling the non-signal shielding material in each of the micro slits to obtain a clearance area, the method comprises:
    将具有所述净空区域的壳体进行表面处理。The housing having the clearance area is surface treated.
  13. 根据权利要求1所述的方法，其特征在于，通过数控机床将所述支撑结构切除。The method of claim 1 wherein said support structure is cut by a numerically controlled machine tool.
  14. 根据权利要求1所述的方法，其特征在于，所述微缝的缝宽小于0.3mm。The method of claim 1 wherein said slits have a slit width of less than 0.3 mm.
  15. 根据权利要求14所述的方法，其特征在于，所述微缝的缝宽为0.05～0.15mm。The method of claim 14 wherein said slits have a slit width of from 0.05 to 0.15 mm.
  16. 根据权利要求1所述的方法，其特征在于，所述壳体为移动终端的背盖。The method of claim 1 wherein said housing is a back cover of a mobile terminal.
  17. 根据权利要求1所述的方法，其特征在于，所述第一表面为所述壳体的内侧表面，所述第二表面为所述壳体的外侧表面。The method of claim 1 wherein said first surface is an inside surface of said housing and said second surface is an outside surface of said housing.
  18. 一种壳体，其特征在于，所述壳体由信号屏蔽材料制成且具有预设区域；所述预设区域设置有预设数量的微缝，所述预设数量的微缝彼此间隔并列设置，每个所述微缝中填充有非信号屏蔽材料形成净空区域，所述净空区域用于通过射频信号。A housing, wherein the housing is made of a signal shielding material and has a preset area; the preset area is provided with a preset number of micro slits, and the preset number of micro slits are juxtaposed with each other It is provided that each of the micro slits is filled with a non-signal shielding material to form a clearance area for passing a radio frequency signal.
  19. 根据权利要求18所述的壳体，其特征在于，所述微缝的缝宽为0.05～0.15mm。 The housing according to claim 18, wherein said slit has a slit width of 0.05 to 0.15 mm.
  20. 一种移动终端，其特征在于，包括如权利要求18～19任意一项所述的壳体。 A mobile terminal, comprising the housing according to any one of claims 18 to 19.
PCT/CN2016/085549 2016-03-18 2016-06-13 Processing method for clearance area of shell, shell and mobile terminal WO2017156901A1 (en)

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CN201610157104.2 2016-03-18
CN201610157104.2A CN105657101B (en) 2016-03-18 2016-03-18 A kind of processing method, housing and the mobile terminal of the empty regions of housing
CN201610250522.6A CN105855127A (en) 2016-04-20 2016-04-20 Hair crack filling method for structural component, structural component and mobile terminal
CN201610250522.6 2016-04-20

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