Electronic equipment and preparation method

Abstract

The invention discloses electronic equipment and a preparation method, and the electronic equipment comprises a housing which comprises a target texture layer and a surface layer, and the height of the target texture layer and the height of the surface layer are different in the thickness direction of the housing; the target texture layer is obtained by stamping the surface layer of the shell, the target texture layer is irregular, and the target texture layer presents a leather visual effect; the surface layer has first roughness, and the first roughness is obtained by treating the surface layer through a sand blasting procedure with the specification being the first size.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and in particular to an electronic equipment and a preparation method thereof. Background Art

[0002] As the appearance of electronic devices becomes more and more refined and the products become more and more abundant, people are gradually becoming aesthetically fatigued by the surface consistency effect of electronic devices. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide an electronic device and a preparation method thereof.

[0004] In a first aspect, an embodiment of the present application provides an electronic device, including:

[0005] A shell, the shell comprising a target texture layer and a surface layer, wherein the target texture layer and the surface layer have different heights in a thickness direction of the shell;

[0006] The target texture layer is obtained by stamping the surface layer of the shell, the target texture layer is irregular, and the target texture layer presents a leather visual effect;

[0007] The surface layer has a first roughness, and the first roughness is obtained by subjecting the surface layer to a sandblasting process with a first size.

[0008] In one possible implementation,

[0009] The target texture layer includes a first portion and a second portion, the height difference between the first portion and the surface layer is a first value, the height difference between the second portion and the surface layer is a second value, and the first value is different from the second value.

[0010] In one possible implementation,

[0011] The width of at least part of the texture of the target texture layer is smaller than the first size, or,

[0012] At least part of the texture of the target texture layer has a second roughness, and the second roughness is obtained by subjecting the surface layer to a sandblasting process with a second size specification, the second size is smaller than the first size, and the second size and the first size are used to characterize the specifications of the iron sand used in the sandblasting process.

[0013] In a possible implementation, at least one or more of the following are included:

[0014] The texture width of the target texture layer is less than or equal to 170 um;

[0015] In the thickness direction of the shell, the height difference between the target texture layer and the surface layer is greater than or equal to 40 um;

[0016] The value range of the surface parameter corresponding to the first roughness is [1.4, 1.8] um, and the surface parameter can characterize the roughness of the surface layer.

[0017] In a second aspect, the present application also provides a preparation method, comprising:

[0018] Punching the surface layer of the shell to form a target texture layer on the shell, wherein the target texture layer and the surface layer have different heights in the thickness direction of the shell, the target texture layer is irregular, and the target texture layer presents a leather visual effect;

[0019] The surface layer is processed by a sandblasting process with a first size specification so that the surface layer has a first roughness.

[0020] In one possible implementation,

[0021] The shell is placed between a first mold and a second mold, and the texture layer of the first mold is placed opposite to the surface layer of the shell, and the first mold includes a structure for punching and forming a target texture layer;

[0022] Apply pressure to the third mold, and transmit the pressure to the first mold through the third mold, so as to punch the surface layer of the shell through the texture layer of the first mold to obtain the target texture layer, the first mold is nested in the groove of the third mold, the first thickness of the third mold is greater than the second thickness of the first mold, and the first area of ​​the third mold is greater than the second area of ​​the first mold.

[0023] In a possible implementation, applying pressure to the third mold and transmitting the pressure to the first mold through the third mold to punch the surface layer of the shell through the texture layer of the first mold to obtain the target texture layer includes:

[0024] Applying pressure to the third mold, transmitting the pressure to the first mold through the third mold, so as to punch the surface layer of the shell through the structure of the texture layer of the first mold for punching and forming the target texture layer, thereby obtaining the first part and the second part included in the target texture layer;

[0025] The height difference between the first portion and the surface layer is a first value, the height difference between the second portion and the surface layer is a second value, and the first value is different from the second value.

[0026] In a possible implementation manner, after the surface layer is subjected to a sandblasting process with a specification of a first size, the method further comprises:

[0027] The surface layer is processed by a sandblasting process with a second size specification so that the target texture layer has a second roughness, the second size is smaller than the first size, and the second size and the first size are used to characterize the specifications of the iron sand used in the sandblasting process.

[0028] In one possible embodiment, the preparation method comprises:

[0029] placing a shell forming a target texture layer on a shaping mold;

[0030] The shaping die is heated until the temperature of the shaping die falls into a shaping temperature range and lasts for a first time period to correct deformation of the shell when the surface layer of the shell is stamped.

[0031] In one possible embodiment, the preparation method comprises:

[0032] The shell body having the target texture layer is subjected to stamping treatment at a temperature within a shaping temperature range for a second time period, wherein the second time period is shorter than the first time period.

[0033] The shell of the electronic device in the embodiment of the present application includes a target texture layer and a surface layer with different heights, and the target texture layer is irregular and presents a leather visual effect, and the surface layer has a first roughness. The target texture layer and the surface layer make the shell of the electronic device present a genuine leather visual effect, which effectively enriches the visual effect of the shell, and there is no need to add other materials such as genuine leather, so the cost is low, and at the same time, the splicing problem caused by the combination of different materials is avoided, thereby ensuring the quality of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0035] Figure 1 A schematic diagram of an electronic device provided by the present application is shown;

[0036] Figure 2 A schematic diagram of a housing provided by the present application is shown;

[0037] Figure 3 A schematic diagram of a target texture layer provided by the present application is shown;

[0038] Figure 4 A flow chart of a preparation method provided by the present application is shown;

[0039] Figure 5 A flow chart of another preparation method provided by the present application is shown;

[0040] Figure 6 A schematic diagram of the structure of a first mold, a second mold and a third mold provided by the present application is shown;

[0041] Figure 7 A flow chart showing another preparation method provided by the present application is shown;

[0042] Figure 8 A flow chart showing another preparation method provided by the present application is shown;

[0043] Fig. 9 A flow chart showing another preparation method provided by the present application is shown;

[0044] Fig.10 A process flow chart for preparing a housing of an electronic device provided in the present application is shown;

[0045] Fig.11 A display effect diagram of a housing in a form provided by the present application is shown;

[0046] Fig.12 A display effect diagram of another form of a lower shell provided by the present application is shown.

[0047] Reference numerals

[0048] 1-shell; 11-target texture layer; 12-surface layer; 111-first part; 112-second part. DETAILED DESCRIPTION

[0049] Various aspects and features of the present application are described herein with reference to the accompanying drawings.

[0050] It should be understood that various modifications may be made to the embodiments of the present application. Therefore, the above description should not be considered as limiting, but only as an example of the embodiments. Other modifications within the scope and spirit of the present application will occur to those skilled in the art.

[0051] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and, together with the general description of the present application given above and the detailed description of the embodiments given below, serve to explain the principles of the present application.

[0052] These and other characteristics of the present application will become apparent from the following description of a preferred form of embodiment given as a non-limiting example with reference to the accompanying drawings.

[0053] It should also be understood that, although the present application has been described with reference to some specific examples, those skilled in the art will be able to realize many other equivalent forms of the present application that have the features described in the claims and are therefore within the scope of protection defined thereby.

[0054] The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

[0055] Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it should be understood that the embodiments applied for are merely examples of the present application, which may be implemented in a variety of ways. Well-known and / or repeated functions and structures are not described in detail to avoid unnecessary or redundant details that obscure the present application. Therefore, the specific structural and functional details applied for herein are not intended to be limiting, but merely serve as a basis and representative basis for the claims to teach those skilled in the art to use the present application in a variety of ways with substantially any suitable detailed structure.

[0056] This specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," all of which may refer to one or more of the same or different embodiments according to the present application.

[0057] To facilitate understanding of the present application, an electronic device provided by the present application is first introduced in detail. The present application embodiment is described by taking a laptop as an example of an electronic device, and those skilled in the art should know that the electronic device of the present application can also be other devices such as a display, a tablet computer, a mobile phone, etc.

[0058] Figure 1 A schematic diagram of an electronic device is shown. Figure 1 It can be known that the electronic device includes a housing 1. Of course, the electronic device may also include a body, buttons, and the like.

[0059] In some embodiments, reference Figure 2The schematic diagram of the shell shown in the figure shows that the shell 1 may include a target texture layer 11 and a surface layer 12. The shell 1 may be prepared according to a certain size using a plate such as an aluminum alloy plate, a magnesium-aluminum alloy plate, and a titanium alloy plate. Among them, the surface layer 12 is a plane layer of the shell, and other preparation processes such as stamping and polishing can be performed on the plane layer. The target texture layer 11 is obtained by stamping the surface layer 12 of the shell 1, that is, the surface layer 12 is stamped to obtain a target texture layer 11 different from the surface layer 12, and the target texture layer 11 may be irregular and present a leather visual effect, that is, the user visually feels that it is not a metal product, but a leather product, and the irregular shape of the target texture layer 11 can increase the leather visual effect. Compared with the visual effect of the surface consistency of current electronic devices, the target texture layer 11 included in the shell 1 effectively enriches the visual effect of the shell.

[0060] It should be noted that the leather surface has irregular characteristics, such as wrinkles and texture changes. In this embodiment, the target texture layer 11 is irregular, that is, the texture distribution included in the target texture layer 11 has no regular pattern to follow, and it is a regular pattern that is not controlled by humans. The irregular shape can be as follows: Figure 1 or Fig.11 or Fig.12 The leather visual effect shown is simulated and naturally generated like animal skin. Moreover, the leather visual effect is that when the user looks at the housing, it is like looking at tanned animal skin, that is, the housing 1 has a certain simulation (imitation animal skin) effect.

[0061] The leather surface is usually not completely smooth, but has a certain texture and roughness. Optionally, the surface layer 12 included in the shell 1 of the embodiment of the present application can have a first roughness, wherein the first roughness can be obtained by treating the surface layer 12 with a sandblasting process with a specification of a first size. The surface with the first roughness can scatter light, and this characteristic can effectively reduce reflections, so that the surface layer 12 looks more matte and natural. This effect can make the shell 1 have a similar visual effect to that of genuine leather. The presence of the first roughness causes the light to be scattered and reflected at multiple angles on the surface. This scattering effect makes the surface light distribution more uniform, avoids strong reflection spots, and thus makes the overall visual effect softer, so that the surface layer 12 is more similar to the characteristics of the leather surface. By introducing the sandblasting process of the first roughness in the surface layer 12, this natural light scattering effect can be effectively imitated, thereby increasing the genuine leather visual effect of the shell 1.

[0062] Optionally, in the thickness direction of the shell 1, the heights of the target texture layer 11 and the surface layer 12 are different, that is, the thickness of the target texture layer 11 on the shell 1 is different from the thickness of the surface layer 12. Therefore, the combination of the surface layer 12 and the target texture layer 11 makes the shell 1 have a leather visual effect, thereby effectively enriching the visual effect of the shell 1. In addition, compared with the method of attaching leather, the shell of the embodiment of the present application does not need to add other materials, the cost is low, and the splicing problem caused by the combination of different materials is avoided, thereby ensuring the quality of the shell.

[0063] In some embodiments, the die, forging action and / or stamping action used in the stamping process may result in certain differences in each portion of the target texture layer 11, as shown in FIG. Figure 3 A schematic diagram of the target texture layer is shown. Figure 3 It is shown in the figure that the target texture layer 11 may include a first portion 111 and a second portion 112, the height difference between the first portion 111 and the surface layer 12 is a first value, that is, the difference between the thickness of the first portion 111 in the target texture layer 11 and the thickness of the surface layer 12 is a first value, the height difference between the second portion 112 and the surface layer 12 is a second value, that is, the difference between the thickness of the second portion 112 in the target texture layer 11 and the thickness of the surface layer 12 is a second value, and the first value is different from the second value. In other words, the thickness at the first portion 111 is different from the thickness at the second portion 112, that is, the texture depth at the first portion 111 is different from the texture depth at the second portion 112. Optionally, both the first value and the second value are less than or equal to 40um, but the difference between the first value and the second value is less than or equal to 15um, for example, the first value is 39um, and the corresponding second value is 25um; for another example, the first value is 37um, and the corresponding second value is 24um; for another example, the first value is 34um, and the corresponding second value is 25um, etc. In addition, the first value and the second value are randomly formed and are not fixed. In the embodiment of the present application, the existence of certain differences in each part of the target texture layer 11 can make the texture in the target texture layer 11 irregular, thereby improving the natural visual effect of the target texture layer 11 and further improving the leather visual effect presented by the target texture layer 11.

[0064] In some embodiments, continue to refer to Figures 1 to 3 The width of each partial texture of the target texture layer 11 may also be different, wherein the width of the texture is the size of the texture in a direction perpendicular to the extension direction of the texture. As an example, Figure 3 The d1 and d2 in the figure are the width of the texture, where the width of the texture is less than or equal to 170um. Of course, the width of the texture is also randomly formed and not fixed. Figure 2 and Figure 3As shown, the width of the texture is 0. Of course, there are also cases where the width of the texture is 85um, 112um or even 170um. Optionally, in the embodiment of the present application, the width of the target texture layer 11 can be set to be smaller than the first size, so that when the surface layer 12 is treated by a sandblasting process with a specification of the first size to obtain the first roughness, the iron sand used in the sandblasting process will not affect the texture of the target texture layer 11. Of course, the width of all textures can be set to be smaller than the first size to ensure that the target texture layer 11 can present a leather visual effect after the sandblasting process is performed to a large extent. Optionally, the first size can be set to be greater than or equal to 90 meshes, such as 90 meshes, 100 meshes, etc., as long as the iron sand can be prevented from affecting the texture of the target texture layer 11. Accordingly, the first roughness corresponds to the specification of the iron sand, for example, the surface parameter corresponding to the first roughness formed by the iron sand of the first size is less than or equal to 1.8um. ​​It should be known that the roughness formed by the iron sand of the same mesh may also be different.

[0065] In another embodiment, the first size is preferably [90, 100] mesh, that is, the surface layer 12 can be subjected to a sandblasting process using iron sand of [90, 100] mesh to obtain a first roughness. Accordingly, the value range of the surface parameter corresponding to the first roughness is preferably [1.4, 1.8] um, and the surface parameter can characterize the roughness of the surface layer. Among them, the surface parameter of the embodiment of the present application can be set to the arithmetic mean of the absolute value of the profile deviation within a sampling length. Of course, it can also be set to a combination of the surface parameter and other parameters. Other parameters may include the sum of the average value of the 5 largest profile peak heights and the average value of the 5 largest profile valley depths within the sampling length, as well as the distance between the profile peak top line and the profile valley bottom line within the sampling length L, etc. The embodiment of the present application does not specifically limit this.

[0066] Optionally, at least part of the texture of the target texture layer 11 has a second roughness, and the second roughness is obtained by treating the surface layer 12 with a sandblasting process of a second size, wherein the second size is smaller than the first size, so that the iron sand of the second size can affect at least part of the texture of the target texture layer 11, that is, at least part of the texture of the target texture layer 11 can be subjected to the sandblasting process. The second size and the first size are used to characterize the specifications of the iron sand used in the sandblasting process. Optionally, the second size can also be set to be greater than or equal to 90 meshes. Since the iron sand of the second size can affect at least part of the texture of the target texture layer 11, the second size is preferably set to be greater than or equal to 100 meshes, that is, the second size can be set to 100 meshes, 110 meshes, etc. Optionally, the second size is preferably [100, 120] meshes to ensure that the leather visual effect presented by the target texture layer 11 is better. Similarly, the second roughness corresponds to the second size of the iron sand, for example, the second roughness formed by the iron sand of the second size is less than or equal to 1.5um.

[0067] In the embodiment of the present application, the width of at least part of the texture of the target texture layer 11 is set to be smaller than the first size, or at least part of the texture of the target texture layer 11 has the second roughness, combined with the surface layer 12 having the first roughness, so as to enhance the leather visual effect presented by the target texture layer 11. Here, compared with the target texture layer 11 without the second roughness combined with the surface layer 12 having the first roughness, at least part of the texture of the target texture layer 11 having the second roughness is combined with the surface layer 12 having the first roughness, so that the leather visual effect is more natural.

[0068] In some embodiments, the target texture layer 11 obtained by stamping the surface layer 12 of the shell 1 may include a texture having different widths for each portion, but the texture width of each portion may be set to be less than or equal to 170 um to avoid different colors between different portions of texture. Each portion of the target texture layer is a texture of any length, and the lengths of different portions of texture may be different, which is not specifically limited in the embodiments of the present application.

[0069] In another embodiment, the target texture layer 11 obtained by stamping the surface layer 12 of the shell 1 may include a first part 111 whose texture depth and a second part 112 whose texture depths are different, but the texture depths of the first part 111 and the second part 112 may be set to be greater than or equal to 40um, that is, in the thickness direction of the shell 1, the height difference between the first part 111 of the target texture layer 11 and the surface layer 12 and the height difference between the second part 112 of the target texture layer 11 and the surface layer 12 may be set to be greater than or equal to 40um, that is, the height difference between the target texture layer 11 and the surface layer 12 may be set to be greater than or equal to 40um.

[0070] The shell of the electronic device in the embodiment of the present application includes a target texture layer and a surface layer with different heights, and the target texture layer is irregular and presents a leather visual effect, and the surface layer has a first roughness. The target texture layer and the surface layer make the shell of the electronic device present a genuine leather visual effect, which effectively enriches the visual effect of the shell, and there is no need to add other materials such as genuine leather, so the cost is low, and at the same time, the splicing problem caused by the combination of different materials is avoided, thereby ensuring the quality of the shell.

[0071] The embodiment of the present application also provides a preparation method, according to which the housing of the above-mentioned electronic device can be prepared.

[0072] As one example, Figure 4 A flow chart of the preparation method provided in an embodiment of the present application is shown, wherein the specific steps include S401 and S402.

[0073] S401, stamping the surface layer of the shell to form a target texture layer on the shell, in the thickness direction of the shell, the target texture layer and the surface layer have different heights, the target texture layer is irregular, and the target texture layer presents a leather visual effect.

[0074] S402, processing the surface layer through a sandblasting process with a first size specification so that the surface layer has a first roughness.

[0075] Optionally, after obtaining the shell of the electronic device, the surface layer of the shell is stamped to form a target texture layer on the shell. In some embodiments, when stamping the surface layer of the shell, the stamping pressure used is [700, 900] T. In the embodiment of the present application, the maximum value of the stamping pressure is limited to 900 T, which can prevent the shell and / or the mold used for stamping from breaking under the limit pressure to a certain extent. In addition, when stamping the surface layer of the shell, the stamping temperature used is greater than or equal to 300 ° C. In combination with the stamping pressure and the stamping temperature, the surface layer of the shell is stamped so that a partial area of ​​the shell is deformed, that is, a target texture layer is formed on the shell. For example, when the stamping pressure used is 900 T, the corresponding stamping temperature used is 300 ° C; for another example, when the stamping pressure used is 800 T, the corresponding stamping temperature used is 350 ° C, etc. That is to say, within the allowable range, that is, the stamping pressure is [700, 900]T and the stamping temperature is greater than or equal to 300°C, the greater the stamping pressure is set, the smaller the corresponding stamping temperature is, so that the target texture layer formed is better without causing damage to the shell.

[0076] In other words, the target texture layer is obtained by changing the shape of a partial area of ​​the surface layer, that is, the shell has integrity. Compared with the method of attaching genuine leather on the surface layer of the shell, the shell with integrity can avoid the splicing problem caused by the combination of different materials, while ensuring the quality of the shell.

[0077] Since the target texture layer is obtained by changing the shape of a part of the surface layer, the target texture layer and the surface layer have different heights in the thickness direction of the shell, and optionally, the height difference between the target texture layer and the surface layer is greater than or equal to 40um. In addition, the target texture layer is irregular and presents a leather visual effect, so that the combination of the target texture layer and the surface layer can make the shell present a genuine leather visual effect.

[0078] In some embodiments, after the surface layer of the shell is stamped, the surface layer is processed by a sandblasting process with a first size specification to make the surface layer have a first roughness. The first roughness in this embodiment may be the same or similar to the first roughness in the aforementioned embodiment, and will not be repeated here.

[0079] Optionally, the first size is used to characterize the specifications of the iron sand used in the sandblasting process. The first size can be set to [100, 120] mesh, that is, the surface layer is sandblasted with iron sand of [100, 120] mesh. Accordingly, a surface parameter formed on the surface layer can be [1.4, 1.8] um, and the surface parameter can be the arithmetic mean of the absolute value of the profile deviation within a sampling length. The surface layer with the first roughness can be combined with the target texture layer to make the shell present a leather visual effect.

[0080] In addition, setting the surface layer to have a first roughness and combining it with a target texture layer can improve the concealment of poor appearance to a certain extent, thereby improving the yield rate of shell preparation.

[0081] As one example, Figure 5 A flow chart of another preparation method provided in an embodiment of the present application is shown, wherein the specific steps include S501 and S502.

[0082] S501, placing the shell between a first mold and a second mold, with the texture layer of the first mold placed opposite to the surface layer of the shell, and the first mold including a structure for stamping to form a target texture layer.

[0083] S502, applying pressure to the third mold, transmitting the pressure to the first mold through the third mold, so as to punch the surface layer of the shell through the texture layer of the first mold to obtain a target texture layer, the first mold is nested in the groove of the third mold, the first thickness of the third mold is greater than the second thickness of the first mold, and the first area of ​​the third mold is greater than the second area of ​​the first mold.

[0084] Considering that directly applying pressure to the mold during stamping can easily cause the mold to break, and if the mold with the texture layer breaks, it is necessary to re-prepare the mold according to the same texture layer, which takes a long time, which not only increases the mold cost but also affects the stamping efficiency. Therefore, in the preparation method of the embodiment of the present application, the first mold, the second mold and the third mold are combined for stamping.

[0085] As an example, refer to Figure 6 The schematic diagram of the structure of the first mold, the second mold and the third mold shown in FIG. Figure 6 It can be known that the first mold, the second mold and the third mold can be nested and cooperated with each other to form the texture layer. Of course, the embodiment of the present application does not make any specific limitation to this.

[0086] When stamping the surface layer of the shell, the shell is first placed between the first mold and the second mold, and the texture layer of the first mold is placed opposite to the surface layer of the shell, that is, under the action of external pressure, the texture layer of the first mold and the surface layer of the shell can be in direct contact. The first mold includes a structure for stamping to form a target texture layer, that is, when the first mold is subjected to external pressure so that the texture layer is in direct contact with the surface layer of the shell, the structure included in the first mold can form a target texture layer on the shell.

[0087] Continue to refer to Figure 6 The first mold is nested in the groove of the third mold. When stamping the surface layer of the shell, pressure can be applied to the third mold, and the direction of the pressure is directed to the shell. The pressure is transmitted to the first mold through the third mold, so that the surface layer of the shell is stamped through the texture layer of the first mold, thereby obtaining the target texture layer.

[0088] In the embodiment of the present application, the first mold, the second mold and the third mold are combined to perform the stamping process. The pressure is transmitted to the first mold through the third mold, which can prevent the first mold from being directly subjected to force to a certain extent. Moreover, the first mold needs to be re-prepared with a texture layer if it breaks. Based on this, the embodiment of the present application transmits the pressure to the first mold through the third mold. Even if a break occurs, it also occurs on the third mold. Compared with re-preparing the first mold with a texture layer, preparing the third mold effectively reduces the mold cost. Optionally, the third mold can be adapted to the first mold of various sizes, that is, the third mold can be adapted to the first mold with a size smaller than its groove, which improves the scope of application and flexibility of the first mold, the second mold and the third mold to a certain extent.

[0089] In some embodiments, the first thickness of the third mold is greater than the second thickness of the first mold, and the first area of ​​the third mold is greater than the second area of ​​the first mold, thereby effectively preventing the first mold from breaking during stamping. Taking the electronic device as a laptop computer as an example, the shell size of the electronic device is 330*220mm, and accordingly, the length and width of the first mold are 460*370cm, and the total thickness of the third mold and the first mold is greater than or equal to 70cm, wherein the first thickness of the third mold is greater than or equal to 40cm, and the second thickness of the first mold is greater than or equal to 30cm. Of course, those skilled in the art should know that when the electronic device is a display, a tablet computer, a mobile phone, etc., the length and width of the first mold can be adjusted accordingly.

[0090] In some embodiments, the texture layer of the first mold may include a structure for punching to form a target texture layer, and the first mold is subjected to force so that the structure of the texture layer acts on the surface layer of the shell to form the target texture layer. Optionally, the structure can be a protrusion on the surface of the first mold, which has a certain height compared to the surface of the first mold, wherein the height of the structure can be set to [60, 80] um, and the height of the structure can make the height difference between the formed target texture layer and the surface layer greater than or equal to 40 um; Optionally, the structure has a certain width in the direction perpendicular to its extension direction, and the width of the structure can be set to be less than or equal to 170 um, and the width of the structure can make the texture width of the formed target texture layer less than or equal to 170 um, thereby making the target texture layer present a leather visual effect.

[0091] In some embodiments, the height of the structure is [60, 80] um, that is, the heights of different parts of the structure may be different. Based on this, when the target texture layer is formed by punching the structure, the target texture layer obtained may include a first part and a second part, and the texture depth of the first part is different from the texture depth of the second part. Accordingly, the height of the structure forming the first part is different from the height of the structure forming the second part.

[0092] From the above, the height difference between the first part and the surface layer is a first value, and the height difference between the second part and the surface layer is a second value, and the first value and the second value may be different.

[0093] In some embodiments, after the surface layer is subjected to the sandblasting process with a specification of the first size, the surface layer may also be subjected to the sandblasting process with a specification of the second size. Figure 7 A flow chart of another preparation method provided in an embodiment of the present application is shown, wherein the specific steps include S701-S703.

[0094] S701, stamping the surface layer of the shell to form a target texture layer on the shell. In the thickness direction of the shell, the target texture layer and the surface layer have different heights, the target texture layer is irregular, and the target texture layer presents a leather visual effect.

[0095] S702, processing the surface layer through a sandblasting process with a first size specification so that the surface layer has a first roughness.

[0096] S703, the surface layer is processed by a sandblasting process with a second size specification so that the target texture layer has a second roughness.

[0097] The second size is smaller than the first size, and when the surface layer is processed by a sandblasting process with a specification of the second size, the iron sand of the second size can affect at least a portion of the texture of the target texture layer, so that the target texture layer has a second roughness. At least a portion of the texture of the target texture layer has the second roughness and the surface layer has the first roughness, which can enhance the leather visual effect presented by the shell. Similarly, the second size is also used to characterize the specifications of the iron sand used in the sandblasting process.

[0098] In some embodiments, when stamping the surface layer of the shell, the stamping pressure used is [700, 900]T, and the stamping temperature used is greater than or equal to 300°C. The stamping pressure and / or stamping temperature may cause the shell to have a warping problem. Based on this, the present application Figure 8 A flow chart of another preparation method provided in an embodiment of the present application is shown, wherein the specific steps include S801-S804.

[0099] S801, stamping the surface layer of the shell to form a target texture layer on the shell. In the thickness direction of the shell, the target texture layer and the surface layer have different heights, the target texture layer is irregular, and the target texture layer presents a leather visual effect.

[0100] S802, placing the shell forming the target texture layer on a shaping mold.

[0101] S803, heating the shaping mold until the temperature of the shaping mold falls into the shaping temperature range and continues for a first time period to correct the deformation of the shell when the surface layer of the shell is stamped.

[0102] S804, the surface layer is processed by a sandblasting process with a first size specification so that the surface layer has a first roughness.

[0103] Optionally, after stamping the surface layer of the shell, and before the surface layer is processed by a sandblasting process with a specification of the first size, the shell forming the target texture layer is placed on a shaping mold, wherein the shaping mold may include a first sub-mold and a second sub-mold, and a space is formed between the first sub-mold and the second sub-mold, and the space is used to accommodate the shell, and then the shell forming the target texture layer is placed in the space. Afterwards, the shaping mold is heated by the temperature control system until the temperature of the shaping mold falls into the shaping temperature range, and the state that the temperature of the shaping mold falls into the shaping temperature range lasts for a first time to correct the deformation of the shell when the surface layer of the shell is stamped. Optionally, the shaping temperature can be set to [280, 300] ℃, and the first time can be set to 2 hours. Of course, the first time can allow a certain error. For example, the temperature control system heats the shaping mold to 280℃, and the first time is set to 2 hours and 10 minutes; for another example, the temperature control system heats the shaping mold to 298℃, and the first time is set to 2 hours, etc. By using a shaping temperature of [280, 300]°C and a shaping time of 2 hours, i.e. the first time, it is possible to ensure that the deformed shell is corrected, thereby ensuring the quality of the shell.

[0104] After correcting the deformation of the shell when punching the surface layer of the shell, the surface layer is subjected to a sandblasting process with a first size specification, thereby making the surface layer present a first roughness.

[0105] In some embodiments, the embodiment of the present application places the shell between the first mold and the second mold, and applies pressure to the third mold to punch the surface layer of the shell through the texture layer of the first mold, thereby obtaining a target texture layer. Based on this, in order to ensure that the texture of the target texture layer presents a clear texture effect, it can be referred to Fig. 9 The preparation is performed according to a flow chart of another preparation method shown in FIG. 1 , wherein the specific steps include S901-S905.

[0106] S901, stamping the surface layer of the shell to form a target texture layer on the shell. In the thickness direction of the shell, the target texture layer and the surface layer have different heights, the target texture layer is irregular, and the target texture layer presents a leather visual effect.

[0107] S902, maintaining the stamping process on the shell having the target texture layer, and the temperature is within the shaping temperature range, for a second time period, which is shorter than the first time period.

[0108] S903, placing the shell with the target texture layer formed on the shaping mold.

[0109] S904, heating the shaping mold until the temperature of the shaping mold falls into the shaping temperature range and continues for a first time period to correct the deformation of the shell when the surface layer of the shell is stamped.

[0110] S905, the surface layer is processed by a sandblasting process with a first size specification so that the surface layer has a first roughness.

[0111] In some embodiments, after stamping the surface layer of the shell and before placing the shell forming the target texture layer on the shaping mold, the shell having the target texture layer can also maintain the stamping treatment, that is, maintain the stamping pressure and the stamping temperature during stamping, the stamping temperature is a temperature within the shaping temperature range, and lasts for a second time period, wherein the second time period is less than the first time period.

[0112] That is, after stamping the surface layer of the shell, the shell is kept between the first mold and the second mold, and the stamping pressure and stamping temperature are maintained for a second time period, so that the texture of the target texture layer presents a clear visual effect, that is, when the user views the shell, he can clearly obtain the texture of the target texture layer, and it is more realistic with the leather as the standard. Optionally, the second time period can be set to [8, 12] s, that is, the second time period can be set to 8s to shorten the overall duration of the preparation process; the second time period can also be set to 12s to ensure that the texture of the target texture layer is relatively clear; of course, the second time period can also be set to 10s, etc., and the embodiment of the present application does not specifically limit this.

[0113] Of course, those skilled in the art should know that the preparation method also includes preparation processes such as grinding, mold preheating, and anodizing. As an example, the process flow chart for preparing the housing of an electronic device can be referred to Fig.10 ,Depend on Fig.10 It can be seen that the preparation process is as follows: mold preheating → high temperature stamping → high temperature pressure holding → heating shaping → aging strengthening → low mesh sandblasting → chemical polishing → anodizing → dyeing → sealing.

[0114] Optionally, after obtaining the aluminum alloy sheet, the aluminum alloy sheet is pressurized to deform it to obtain the required shape and size, that is, to obtain a shell. And, the surface layer of the shell is polished to obtain a surface layer with a certain roughness. Further, according to the preparation method provided in the embodiment of the present application, the preparation process of mold preheating is performed. Optionally, the mold (such as the first mold, the second mold and the third mold mentioned above) and the shell are placed at the target position, and at the target position, the distance between the texture surface of the first mold and the target surface of the shell is less than or equal to 2 mm, so as to ensure that the first mold can achieve the texture layer preparation while preventing damage to the shell.

[0115] At the same time, the temperature control system is used to preheat the mold and the shell, wherein the preheating temperature is greater than or equal to 300°C, and the preheating time is greater than or equal to 30s. Through the mold preheating step, the shell can be evenly heated and softened, thereby achieving the purpose of reducing the yield strength of the shell and increasing the elongation of the shell, providing a basis for the subsequent high-temperature stamping. Optionally, the higher the preheating temperature, the shorter the corresponding preheating time. For example, when the preheating temperature is 300°C, the corresponding preheating time is set to 40s; for example, when the preheating temperature is 350°C, the corresponding preheating time is set to 33s, etc., as long as the purpose of reducing the yield strength of the shell and increasing the elongation of the shell can be achieved.

[0116] Next, after the mold is preheated, the shell is subjected to high-temperature stamping using a stamping die, that is, pressure is applied to the third die to stamp the surface layer of the shell through the texture layer of the first die. At the same time, the temperature control system is used to control the stamping temperature to reach a preset temperature, thereby obtaining a target texture layer. The stamping pressure used during high-temperature stamping is [700, 900]T, and the stamping temperature used is greater than or equal to 300°C.

[0117] After completing the high-temperature stamping, the shell having the target texture layer is subjected to a high-temperature holding treatment, that is, the shell having the target texture layer is subjected to the stamping treatment, such as maintaining the stamping pressure and the stamping temperature during the high-temperature stamping, and continuing for [8, 12] s, so that the texture of the target texture layer presents a clear visual effect.

[0118] Since the stamping pressure and / or stamping temperature may cause the shell to warp, after the shell with the target texture layer is subjected to high-temperature pressure holding treatment, the shell is subjected to a heating and shaping treatment. Optionally, the shell forming the target texture layer is placed on a shaping mold, and the shaping mold is heated until the temperature of the shaping mold falls within the shaping temperature range. Optionally, the shaping temperature is [280, 300]°C, and the temperature of the shaping mold falls within the shaping temperature range for 2 hours to correct the deformation of the shell when the surface layer of the shell is stamped, that is, to change the warping of the shell caused by the stamping pressure and / or stamping temperature.

[0119] Afterwards, the shell is subjected to aging strengthening, such as heating the shell to a certain temperature again and maintaining it at a certain temperature to strengthen the strength and hardness of the shell, thereby improving the quality of the shell.

[0120] Furthermore, the surface layer of the shell is subjected to low-mesh sandblasting, such as sandblasting with iron sand of a specification of 100-120 meshes, so that the surface layer has a roughness of [1.4, 1.8] um, thereby achieving the purpose of simulating the visual effect of genuine leather.

[0121] Afterwards, the surface layer and target texture layer of the shell are chemically polished to make them flat and smooth; afterward, the surface layer and target texture layer are anodized to improve their hardness and wear resistance, and to facilitate the filling and adhesion of colorants during subsequent dyeing treatment; afterward, the surface layer and target texture layer are dyed; finally, the surface layer and target texture layer are sealed to obtain a shell with a leather visual effect. As an example, Fig.11 The following is a display effect diagram of a housing in a form provided by the present application. Fig.12 A display effect diagram of another form of a lower shell provided by the present application is shown.

[0122] Of course, those skilled in the art should know that the steps of the process flow chart can be adjusted according to actual needs, such as Figure 7 The preparation process flow is set for 6063 rolled plate in T4 state of 6 series materials. For 5 series materials such as 5052 and 5L52, the aging strengthening process can be carried out before high-temperature stamping.

[0123] Optionally, the preparation method provided in the embodiment of the present application can reduce the yield and elongation of the material during the stamping process. Based on this, 5 series materials such as 5052 and 5L52 and 6 series materials such as 6063 can be applied to the preparation method of the embodiment of the present application. In addition, the following Table 1 shows the mechanical properties of 6063 and 5L52 at room temperature, and Table 2 shows the yield strength of 6063 and 5L52 at different temperatures.

[0124]

[0125] Table 1

[0126]

[0127] Table 2

[0128] It can be seen from Tables 1 and 2 that under high temperature conditions, material 6063 performs better, such as yield strength and elongation.

[0129] In addition, although exemplary embodiments have been described herein, the scope includes any and all embodiments based on the present application with equivalent elements, modifications, omissions, combinations (e.g., various embodiments intersecting schemes), adaptations or changes. The elements in the claims will be interpreted broadly based on the language adopted in the claims, and are not limited to the examples described in this specification or during the implementation of the application, and the examples will be interpreted as non-exclusive. Therefore, this specification and examples are intended to be considered as examples only, and the true scope and spirit are indicated by the following claims and the full scope of their equivalents.

[0130] The above description is intended to be illustrative rather than restrictive. For example, the above examples (or one or more of them) can be used in combination with each other. For example, those of ordinary skill in the art can use other embodiments when reading the above description. In addition, in the above-mentioned specific embodiments, various features can be grouped together to simplify the application. This should not be interpreted as an intention that a disclosed feature that does not require protection is necessary for any claim. On the contrary, the subject matter of the present application may be less than all the features of a specific disclosed embodiment. Thus, the following claims are incorporated into the specific embodiments as examples or embodiments, wherein each claim is independently used as a separate embodiment, and it is considered that these embodiments can be combined with each other in various combinations or arrangements. The scope of the present application should be determined with reference to the attached claims and the full scope of equivalent forms granted by these claims.

[0131] Multiple embodiments of the present application are described in detail above, but the present application is not limited to these specific embodiments. Those skilled in the art can make various variations and modifications to the embodiments based on the concept of the present application, and these variations and modifications should all fall within the scope of protection required by the present application.

Claims

1. An electronic device, comprising: A shell, the shell comprising a target texture layer and a surface layer, wherein the target texture layer and the surface layer have different heights in a thickness direction of the shell; The target texture layer is obtained by stamping the surface layer of the shell, the target texture layer is irregular, and the target texture layer presents a leather visual effect; The surface layer has a first roughness, and the first roughness is obtained by subjecting the surface layer to a sandblasting process with a first size.

2. The electronic device according to claim 1, The target texture layer includes a first portion and a second portion, the height difference between the first portion and the surface layer is a first value, the height difference between the second portion and the surface layer is a second value, and the first value is different from the second value.

3. The electronic device according to claim 1, The width of at least part of the texture of the target texture layer is smaller than the first size, or, At least part of the texture of the target texture layer has a second roughness, and the second roughness is obtained by subjecting the surface layer to a sandblasting process with a second size specification, the second size is smaller than the first size, and the second size and the first size are used to characterize the specifications of the iron sand used in the sandblasting process.

4. The electronic device according to claim 1, comprising at least one or more of the following: The texture width of the target texture layer is less than or equal to 170 um; In the thickness direction of the shell, the height difference between the target texture layer and the surface layer is greater than or equal to 40 um; The value range of the surface parameter corresponding to the first roughness is [1.4, 1.8] um, and the surface parameter can characterize the roughness of the surface layer.

5. A preparation method comprising: Punching the surface layer of the shell to form a target texture layer on the shell, wherein the target texture layer and the surface layer have different heights in the thickness direction of the shell, the target texture layer is irregular, and the target texture layer presents a leather visual effect; The surface layer is processed by a sandblasting process with a first size specification so that the surface layer has a first roughness.

6. The preparation method according to claim 5, The shell is placed between a first mold and a second mold, and the texture layer of the first mold is placed opposite to the surface layer of the shell, and the first mold includes a structure for punching and forming a target texture layer; Apply pressure to the third mold, and transmit the pressure to the first mold through the third mold, so as to punch the surface layer of the shell through the texture layer of the first mold to obtain the target texture layer, the first mold is nested in the groove of the third mold, the first thickness of the third mold is greater than the second thickness of the first mold, and the first area of ​​the third mold is greater than the second area of ​​the first mold.

7. The preparation method according to claim 6, wherein applying pressure to the third mold and transmitting the pressure to the first mold through the third mold to punch the surface layer of the shell through the texture layer of the first mold to obtain the target texture layer comprises: Applying pressure to the third mold, transmitting the pressure to the first mold through the third mold, so as to punch the surface layer of the shell through the structure of the texture layer of the first mold for punching and forming the target texture layer, thereby obtaining the first part and the second part included in the target texture layer; The height difference between the first portion and the surface layer is a first value, the height difference between the second portion and the surface layer is a second value, and the first value is different from the second value.

8. The preparation method according to claim 5, comprising: The surface layer is processed by a sandblasting process with a second size specification so that the target texture layer has a second roughness, the second size is smaller than the first size, and the second size and the first size are used to characterize the specifications of the iron sand used in the sandblasting process.

9. The preparation method according to claim 5, comprising: placing a shell forming a target texture layer on a shaping mold; The shaping die is heated until the temperature of the shaping die falls into a shaping temperature range and lasts for a first time period to correct deformation of the shell when the surface layer of the shell is stamped.

10. The preparation method according to claim 9, comprising: The shell body having the target texture layer is subjected to stamping treatment at a temperature within a shaping temperature range for a second time period, wherein the second time period is shorter than the first time period.

Images