CN107613054A - Shell processing method, shell and mobile terminal - Google Patents

Abstract

The present invention discloses a method for processing a shell, comprising: providing a shell, the shell having an antenna slot and a non-signal shielding material, the non-signal shielding material being arranged in the antenna slot of the shell, the shell having a first mixed area, a metal area, and a second mixed area; polishing the metal area; polishing the first mixed area; polishing the second mixed area. The shell processing method provided by the embodiment of the present invention locates the intersection line of the two polishings (the first preset polishing position and the second preset polishing position) within the full metal area of the shell, so that when the polishing consumables are polished at the intersection line, the metal area has sufficient strength to support the polishing, thereby improving the polishing yield. The present invention also provides a shell and a mobile terminal.

Description

Shell processing method, shell and mobile terminal

technical field

The invention relates to the field of electronic equipment, in particular to a processing method for a shell, the shell and a mobile terminal.

Background technique

Grinding is a kind of surface modification technology. It generally refers to a processing method that uses rough objects to change the physical properties of the material surface through friction. The main purpose is to obtain a specific surface roughness.

The grinding of the existing mobile phone back shell generally involves grinding the entire surface at one time, and then grinding specific positions such as edge positions to form rounded corners or curved surfaces.

Contents of the invention

The object of the present invention is to provide a processing method for the casing.

An embodiment of the present invention provides a method for processing a casing, including:

A housing is provided, the housing has an antenna slot and a non-signal shielding material, the non-signal shielding material is disposed in the antenna slot of the housing, the housing has a first mixing area, a metal area adjacently arranged and a second mixed area, the metal area is a metal continuous area in the housing, and both the first mixed area and the second mixed area are successively connected metal and non-signal shielding materials in the housing and metal areas;

Grinding the first grinding consumables from a first preset grinding position on the metal area of the housing to a second preset grinding position on the metal area of the housing;

Grinding the second grinding consumables from the first preset grinding position of the metal area and passing through the adjacent first mixing area to an edge of the housing;

The second grinding consumables are ground at the second preset grinding position of the metal area and pass through the adjacent second mixing area to the other edge of the housing.

The embodiment of the present invention also provides a shell, which is processed by a shell processing method.

The embodiment of the present invention also provides a mobile terminal, including a casing.

The shell processing method provided by the embodiment of the present invention mainly divides the process of grinding the entire outer surface of the shell into two grindings: first, the full metal area of the shell is polished, and then the mixed area of the shell (the first mixing area and the second mixing area) for grinding, wherein the intersection line of the two grindings (the first preset grinding position and the second preset grinding position) is located in the full metal area of the shell, so that the intersection line of the two grindings is away from The antenna slit makes the metal area of the polishing consumables have sufficient strength to support the polishing when the polishing consumables are polishing at the intersection line, which improves the polishing yield.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings that need to be used in the implementation. Obviously, the drawings in the following description are some implementations of the present invention, which are common to those skilled in the art. As far as the skilled person is concerned, other drawings can also be obtained based on these drawings on the premise of not paying creative work.

Fig. 1 is a schematic flow chart of a processing method for a casing provided by an embodiment of the present invention;

FIG. 2 is a schematic diagram of a housing in a mobile terminal in FIG. 1;

Fig. 3 is another schematic diagram of the degree of movement in Fig. 2;

Fig. 4 is a schematic diagram of the housing in Fig. 1;

Fig. 5 is a schematic flow chart of another shell processing method provided by an embodiment of the present invention;

FIG. 6 is a schematic diagram of a case in a mobile terminal in FIG. 5 .

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the new embodiment of the present invention, it should be understood that the orientation or positional relationship indicated by the term "thickness" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than Nothing to suggest or indicate that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should therefore not be construed as limiting the invention.

The processing method of the housing provided by the embodiment of the present invention will be described in detail below with reference to FIG. 1 and FIG. 5 .

Please refer to FIG. 1 , which is a schematic flowchart of a method for processing a shell provided by an embodiment of the present invention. As shown in FIG. 1 , the method in this embodiment of the present invention may include the following steps S101 - S109.

S101: Provide a casing 1 .

Specifically, referring to FIG. 2 and FIG. 3 , a casing 1 is provided, the casing 1 has an antenna slot 11 and a non-signal shielding material 12 , and the non-signal shielding material 12 is arranged on the antenna slot 11 of the casing 1 Among them, the shell 1 has a first mixed area D1, a metal area D3 and a second mixed area D2 adjacently arranged, the metal area D3 is a metal continuous area in the shell 1, and the first mixed area Both the area D1 and the second mixing area D2 are areas in the housing 1 where metal, non-signal shielding material 12 and metal are sequentially connected.

The casing 1 is made according to actual needs, and it can be understood that the casing 1 can be the rear casing 1 of the mobile terminal. Among them, the housing 1 has an outer surface 1a and an inner surface 1b. The outer surface 1a is the surface of the housing 1 exposed to the air, that is, the surface that can be directly touched by the user when using the mobile terminal; the inner surface 1b is close to the inside of the mobile terminal. The surface of components such as motherboards, batteries, etc.

The rear case 1 has a backboard and side edges surrounding the backboard. Wherein the connection between the back plate and the side is an arc surface.

It can be understood that the housing 1 is manufactured in the following manner: put the metal sheet into a mold and punch it into a metal sheet of a preset shape; process the internal structure and external shape of the metal sheet of the preset shape on a CNC machine tool, to obtain case 1. Wherein, the metal sheet is an aluminum sheet, and the large aluminum sheet is cut into small pieces of aluminum sheet, and the cut small piece of aluminum sheet is put into a mold for stamping to form a metal sheet of a preset shape. It is understandable that aluminum The stamping frequency of the plate can be one time, or several times of continuous stamping; the metal plate is processed on a numerical control machine tool to form the required shell 1 .

It can be understood that the antenna slot 11 on the casing 1 is processed in the following manner:

An antenna slit 11 is provided on the casing 1, and the antenna slit 11 has two groups, and the two groups of antenna slits 11 are respectively arranged close to the end of the casing 1, so that the casing 1 forms a sequentially connected first a mixed area D1, a metal area D3 and a second mixed area D2;

The antenna slot 11 is filled with a non-signal shielding material 12 , and the non-signal shielding material 12 protrudes from the antenna slot 11 on the outer surface 1 a of the housing 1 .

In one embodiment, please refer to FIG. 2 and FIG. 3 , there are two groups of antenna slots 11 on the casing 1 , and each group of antenna slots 11 has two antenna slots 11 . Each antenna slot 11 is filled with non-signal shielding material 12 . Each antenna slot 11 extends from one side edge L1 of the housing 1 to the other side edge L2 of the housing 1 along the direction of the short side S1 or the short side S2 of the housing 1 . The antenna slit 11 is arc-shaped, and is set close to the joint between the backplane and the side. Of course, in other embodiments, the antenna slit 11 may also be at the joint with the backplane and the side.

In an embodiment, the antenna slot 11 is filled by nano-injection molding to realize that the antenna slot 11 is filled with the non-signal shielding material 12 . The non-signal shielding material 12 can be glue or plastic. Of course, in other embodiments, the antenna slot 11 may also be filled with the non-signal shielding material 12 by dispensing glue on the antenna slot 11 .

S103: Grinding the metal area D3.

Specifically, referring to FIG. 2 , the first grinding consumable is ground from the first preset grinding position A1 on the metal area D3 of the housing 1 to the second preset grinding position on the metal area D3 of the housing 1 on position A2.

The polishing trajectory of the first polishing consumable is X1 as shown in FIG. 2 .

Fix the shell 1 on the grinding jig, clamp the first grinding consumable with the manipulator, position the manipulator to the first preset grinding position A1, and gradually move to the second preset grinding position along the first preset grinding position A1 Position A2 to sand metal area D3.

It can be understood that the non-signal shielding material 12 in the first mixing area D1 is far away from the area included in the position tolerance zone of the first preset grinding position A1; the non-signal shielding material 12 in the second mixing area D2 12 is an area included in the position tolerance zone away from the second preset grinding position A2.

In one embodiment, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 is 1 mm˜2 mm. And/or, the distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 is 1 mm˜2 mm.

Specifically, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 is 2 mm. The distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 is 2 mm. Of course, in other embodiments, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 may also be 1 mm, 1.5 mm, and so on. The distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 may also be 1 mm, 1.5 mm, or the like.

Among them, it should be noted that during the positioning process of the manipulator, due to the influence of the positioning accuracy of the manipulator, the position where the first grinding consumable falls on the housing 1, that is, the actual grinding position will be affected by the positioning accuracy and will be in the first preset position. The two sides of the grinding position A1 and the first preset grinding position A1 fluctuate, and the fluctuation is defined as a position tolerance zone of the first grinding consumable at the first preset grinding position A1 . The same is true for the second preset grinding position A2, which will not be repeated here.

By completely restricting the first preset grinding position A1 and the second preset grinding position A2 to the metal area D3 of the housing 1, even if the actual grinding position of the first grinding consumable deviates due to the influence of positioning accuracy, it will not be polished. On the non-signal shielding material 12 in the mixing area, the non-signal shielding material 12 becomes the intersection line of two grindings and may collapse due to insufficient strength, which greatly optimizes the grinding process.

S105: Grinding the first mixing area D1.

S107: Grinding the second mixing area D2.

Specifically, referring to FIG. 2 , the second grinding consumable is ground from the first preset grinding position A1 of the metal area D3 and passes through the adjacent first mixing area D1 to an edge of the housing 1 ;

The second grinding consumables are ground at the second preset grinding position A2 of the metal area D3 and pass through the adjacent second mixing area D2 to the other edge of the housing 1 .

The polishing trajectory of the second polishing consumable is X2 shown in FIG. 2 ; the polishing trajectory of the third polishing consumable is X3 as shown in FIG. 3 .

It should be noted that the grinding of the first mixing area D1 and the second mixing area D2 can be performed simultaneously, or before and after.

When grinding the first mixing area D1, the first preset grinding position A1 is the junction line between grinding the metal area D3 and grinding the first mixing area D1, since the first preset grinding position A1 is completely limited to the metal area D3 of the housing 1 , so that even if the actual grinding position of the first grinding consumable is deviated due to the influence of positioning accuracy, it will not be ground to the non-signal shielding material 12 in the mixed area, causing the non-signal shielding material 12 to become the intersection line of two grindings and due to Insufficient strength may lead to collapse, which greatly optimizes the grinding process.

When grinding the second mixing area D2, the second preset grinding position A2 is the junction line between grinding the metal area D3 and grinding the second mixing area D2, because the second preset grinding position A2 is completely limited to the metal area D3 of the housing 1 so that even if the actual grinding position of the second grinding consumable is deviated due to the influence of positioning accuracy, it will not be ground to the non-signal shielding material 12 in the mixed area, causing the non-signal shielding material 12 to become the intersection line of two grindings and due to Insufficient strength may lead to collapse, which greatly optimizes the grinding process.

It can be understood that the first polishing consumable and the second polishing consumable are different consumables.

It should be noted that the protruding non-signal shielding material 12 will be polished off during the grinding process.

S109: overall grinding of the casing 1 .

Specifically, referring to FIG. 2 , the third grinding consumable starts grinding at an edge S1 of the housing 1 and passes through the first mixing area D1, the metal area D3 and the second mixing area D2 in sequence until the On the other edge S2 of the housing 1.

The grinding track of the third grinding consumable is X4 as shown in FIG. 2 .

The housing 1 is polished as a whole by the third grinding consumable, and the grinding of the first mixing area D1, the metal area D3 and the second mixing area D2 is further unified, so that the housing 1 has a better and smoother grinding surface.

The shell 1 provided by the embodiment of the present invention mainly divides the process of grinding the entire outer surface 1a of the shell 1 into two grindings: first, the full metal area D3 of the shell 1 is polished, and then the mixed area ( The first mixing area D1 and the second mixing area D2) are ground, wherein the transition line of the two grindings (the first preset grinding position A1 and the second preset grinding position A2) is located in the full metal area D3 of the housing 1 , so that the intersection line of the two grindings is far away from the antenna slit 11, so that the metal region D3 of the polishing consumable has sufficient strength to support the grinding when the grinding consumables are grinding the intersection line, and the yield rate of the grinding is improved.

Please refer to FIG. 5 , which is a schematic flowchart of a method for processing a housing provided by an embodiment of the present invention. As shown in FIG. 5, the method in this embodiment of the present invention may include the following steps S201-step S211.

S201: Provide a casing 1 .

Specifically, referring to FIG. 6, a casing 1 is provided, the casing 1 has an antenna slot 11 and a non-signal shielding material 12, and the non-signal shielding material 12 is arranged in the antenna slot 11 of the casing 1, so The housing 1 has a first mixed area D1, a metal area D3 and a second mixed area D2 adjacently arranged, the metal area D3 is a metal continuous area in the housing 1, the first mixed area D1 and the second mixed area D2 The second mixing area D2 is an area in which the metal, the non-signal shielding material 12 and the metal are sequentially connected in the housing 1 .

The casing 1 is made according to actual needs, and it can be understood that the casing 1 can be the rear casing 1 of the mobile terminal. Among them, the housing 1 has an outer surface 1a and an inner surface 1b. The outer surface 1a is the surface of the housing 1 exposed to the air, that is, the surface that can be directly touched by the user when using the mobile terminal; the inner surface 1b is close to the inside of the mobile terminal. The surface of components such as motherboards, batteries, etc.

The rear case 1 has a backboard and side edges surrounding the backboard. Wherein the connection between the back plate and the side is an arc surface.

It can be understood that the housing 1 is manufactured in the following manner: put the metal sheet into a mold and punch it into a metal sheet of a preset shape; process the internal structure and external shape of the metal sheet of the preset shape on a CNC machine tool, to obtain case 1. Wherein, the metal sheet is an aluminum sheet, and the large aluminum sheet is cut into small pieces of aluminum sheet, and the cut small piece of aluminum sheet is put into a mold for stamping to form a metal sheet of a preset shape. It is understandable that aluminum The stamping frequency of the plate can be one time, or several times of continuous stamping; the metal plate is processed on a numerical control machine tool to form the required shell 1 .

S203: Open the antenna slot 11, and fill the antenna slot 11 with the non-signal shielding material 12.

Wherein, an antenna slit 11 is provided, and a non-signal shielding material 12 is filled in the antenna slit 11, and the non-signal shielding material 12 protrudes from the antenna slit 11 on the outer surface 1a of the housing 1, and the The non-signal shielding material 12 overflows to the metal area D3 of the housing 1 .

Specifically, an antenna slit 11 is provided on the housing 1, and the antenna slit 11 has two groups. connected first mixed region D1, metallic region D3 and second mixed region D2;

The non-signal shielding material 12 is filled in the antenna slot 11, the non-signal shielding material 12 protrudes from the antenna slot 11 on the outer surface 1a of the housing 1, and the non-signal shielding material 12 overflows to the metal area D3 of the housing 1 .

In one embodiment, please refer to FIG. 2 and FIG. 3 , there are two groups of antenna slots 11 on the casing 1 , and each group of antenna slots 11 has two antenna slots 11 . Each antenna slot 11 is filled with non-signal shielding material 12 . Each antenna slot 11 extends from one side edge L1 of the housing 1 to the other side edge L2 of the housing 1 along the direction of the short side S1 or the short side S2 of the housing 1 . The antenna slit 11 is arc-shaped, and is set close to the joint between the backplane and the side. Of course, in other embodiments, the antenna slit 11 may also be at the joint with the backplane and the side.

In an embodiment, the antenna slot 11 is filled by nano-injection molding to realize that the antenna slot 11 is filled with the non-signal shielding material 12 . The non-signal shielding material 12 can be glue or plastic. Of course, in other embodiments, the antenna slot 11 may also be filled with the non-signal shielding material 12 by dispensing glue on the antenna slot 11 .

In one embodiment, please refer to FIG. 6 , during the nano-injection molding process of the non-signal shielding material 12, the non-signal shielding material 12 near the metal region D3 overflows from the antenna slot 11 and overflows to the adjacent The metal region D3 is such that a layer of the non-signal shielding material 12 is formed on a part of the metal region D3 close to the non-signal shielding material 12 as a margin for subsequent polishing.

It can be understood that referring to FIG. 6 , a drainage groove 13 is provided on the housing 1 , one end of the drainage groove 13 is connected to the antenna slot 11 , and the other end of the drainage groove 13 faces toward the The direction of the metal area D3 extends so that the drainage groove 13 overflows the non-signal shielding material 12 to the first preset grinding position A1 and the second preset grinding position A2 of the housing 1 .

In one embodiment, please refer to FIG. 6 , the drainage groove 13 is provided only near the antenna slot 11 of the metal region D3, so that the drainage groove 13 can drain the non-signal shielding material 12 in the antenna slot 11 to the adjacent metal region D3 (the second A preset grinding position A1 or a second preset grinding position A2) to serve as a subsequent machining allowance for the metal region D3.

S205: Grinding the metal area D3.

Specifically, referring to FIG. 6 , the first grinding consumable is ground from the first preset grinding position A1 on the metal area D3 of the housing 1 to the second preset grinding position on the metal area D3 of the housing 1 on position A2.

The polishing trajectory of the first polishing consumable is X1 as shown in FIG. 2 .

Fix the shell 1 on the grinding jig, clamp the first grinding consumable with the manipulator, position the manipulator to the first preset grinding position A1, and gradually move to the second preset grinding position along the first preset grinding position A1 Position A2 to sand metal area D3.

It can be understood that the non-signal shielding material 12 in the first mixing area D1 is far away from the area included in the position tolerance zone of the first preset grinding position A1; the non-signal shielding material 12 in the second mixing area D2 12 is an area included in the position tolerance zone away from the second preset grinding position A2.

In one embodiment, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 is 1 mm˜2 mm. And/or, the distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 is 1 mm˜2 mm.

Specifically, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 is 2 mm. The distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 is 2 mm. Of course, in other embodiments, the distance between the first preset grinding position A1 and the adjacent non-signal shielding material 12 in the first mixing area D1 may also be 1 mm, 1.5 mm, and so on. The distance between the second preset grinding position A2 and the adjacent non-signal shielding material 12 in the second mixing area D2 may also be 1 mm, 1.5 mm, or the like.

Among them, it should be noted that during the positioning process of the manipulator, due to the influence of the positioning accuracy of the manipulator, the position where the first grinding consumable falls on the housing 1, that is, the actual grinding position will be affected by the positioning accuracy and will be in the first preset position. The two sides of the grinding position A1 and the first preset grinding position A1 fluctuate, and the fluctuation is defined as a position tolerance zone of the first grinding consumable at the first preset grinding position A1 . The same is true for the second preset grinding position A2, which will not be repeated here.

By completely restricting the first preset grinding position A1 and the second preset grinding position A2 to the metal area D3 of the housing 1, even if the actual grinding position of the first grinding consumable deviates due to the influence of positioning accuracy, it will not be polished. On the non-signal shielding material 12 in the mixing area, the non-signal shielding material 12 becomes the intersection line of two grindings and may collapse due to insufficient strength, which greatly optimizes the grinding process.

S207: Grinding the first mixing area D1.

S209: Grinding the second mixing area D2.

Specifically, referring to FIG. 6 , the second grinding consumable is ground from the first preset grinding position A1 of the metal area D3 and passes through the adjacent first mixing area D1 to an edge S1 of the housing 1 superior;

The second grinding consumable is ground at the second preset grinding position A2 of the metal area D3 and passes through the adjacent second mixing area D2 until reaching the other edge S2 of the housing 1 .

The polishing trajectory of the second polishing consumable is X2 shown in FIG. 2 ; the polishing trajectory of the third polishing consumable is X3 as shown in FIG. 3 .

It should be noted that the grinding of the first mixing area D1 and the second mixing area D2 can be performed simultaneously, or before and after.

When grinding the first mixing area D1, the first preset grinding position A1 is the junction line between grinding the metal area D3 and grinding the first mixing area D1, since the first preset grinding position A1 is completely limited to the metal area D3 of the housing 1 , so that even if the actual grinding position of the first grinding consumable is deviated due to the influence of positioning accuracy, it will not be ground to the non-signal shielding material 12 in the mixed area, causing the non-signal shielding material 12 to become the intersection line of two grindings and due to Insufficient strength may lead to collapse, which greatly optimizes the grinding process.

When grinding the second mixing area D2, the second preset grinding position A2 is the junction line between grinding the metal area D3 and grinding the second mixing area D2, because the second preset grinding position A2 is completely limited to the metal area D3 of the housing 1 so that even if the actual grinding position of the second grinding consumable is deviated due to the influence of positioning accuracy, it will not be ground to the non-signal shielding material 12 in the mixed area, causing the non-signal shielding material 12 to become the intersection line of two grindings and due to Insufficient strength may lead to collapse, which greatly optimizes the grinding process.

It can be understood that the first polishing consumable and the second polishing consumable are different consumables.

Moreover, since the non-signal shielding material 12 in the antenna slot overflows to the first preset grinding position A1 and the second preset grinding position A2, when grinding the first mixing area D1 and the second mixing area D2, the second Both the non-signal shielding material 12 on the first preset grinding position A1 and the second preset grinding position A2 can provide a certain degree of strength for the intersection line, further optimizing the grinding process.

It should be noted that both the drainage groove 13 and the non-signal shielding material 12 will be polished off during the grinding process.

S211: overall grinding of the casing 1 .

Specifically, referring to FIG. 6 , the third grinding consumable starts grinding at an edge S1 of the housing 1 and passes through the first mixing area D1, the metal area D3 and the second mixing area D2 in sequence until the On the other edge S2 of the housing 1.

The grinding track of the third grinding consumable is X4 as shown in FIG. 2 .

The housing 1 is polished as a whole by the third grinding consumable, and the grinding of the first mixing area D1, the metal area D3 and the second mixing area D2 is further unified, so that the housing 1 has a better and smoother grinding surface.

The shell 1 provided by the embodiment of the present invention mainly divides the process of grinding the entire outer surface 1a of the shell 1 into two grindings: first, the full metal area D3 of the shell 1 is polished, and then the mixed area ( The first mixing area D1 and the second mixing area D2) are ground, wherein the transition line of the two grindings (the first preset grinding position A1 and the second preset grinding position A2) is located in the full metal area D3 of the housing 1 , so that the intersection line of the two grindings is far away from the antenna slit 11, so that the metal region D3 of the polishing consumable has sufficient strength to support the grinding when the grinding consumables are grinding the intersection line, and the yield rate of the grinding is improved.

The mobile terminal 100 provided by the embodiment of the present invention will be described in detail below with reference to FIGS. 2 to 4 and FIG. 6 . It should be noted that the housing 1 of the mobile terminal 100 shown in FIG. 2 is manufactured by the method of the embodiment shown in FIG. 1 and FIG. 5 of the present invention. For the part, the specific technical details are not disclosed, please refer to the embodiment shown in Fig. 1 and Fig. 5 of the present invention.

The mobile terminal 100 involved in the embodiment of the present invention can be any device with communication and storage functions, such as: tablet computer, mobile phone, e-reader, remote controller, personal computer (PersonalComputer, PC), notebook computer, vehicle-mounted equipment, network TV , wearable devices and other smart devices with network functions.

Referring to FIG. 2 and FIG. 4 , the mobile terminal 100 includes a casing 1 . In this embodiment, the casing 1 is the back cover of the mobile terminal 100 . The housing 1 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 1 is aluminum.

It can be understood that referring to FIG. 4 , the casing 1 has a back plate and a peripheral frame surrounding the back plate. Among them, the housing 1 has an outer surface 1a and an inner surface 1b, the outer surface 1a is the surface of the housing 1 exposed to the air, that is, the surface that the user can directly touch when using the mobile terminal 100; the inner surface 1b is the surface close to the mobile terminal 100. 100 Internal components such as the surface of the motherboard, battery, etc.

Referring to FIG. 2 and FIG. 3 , there are two groups of antenna slots 11 on the casing 1 , and each group of antenna slots 11 has two antenna slots 11 . Each antenna slot 11 is filled with non-signal shielding material 12 . Each antenna slot 11 extends from one edge of the side of the housing 1 to the other edge of the side of the housing 1 along the direction of the short side of the housing 1 . The antenna slit 11 is arc-shaped, and is set close to the joint between the backplane and the side. Of course, in other embodiments, the antenna slit 11 may also be at the joint with the backplane and the side.

In an embodiment, the antenna slot 11 is filled by nano-injection molding to realize that the antenna slot 11 is filled with the non-signal shielding material 12 . The non-signal shielding material 12 can be glue or plastic. Of course, in other embodiments, the antenna slot 11 may also be filled with the non-signal shielding material 12 by dispensing glue on the antenna slot 11 .

The precision of the outer surface 1 a of the housing 1 is obtained by grinding the housing as shown in FIG. 1 and FIG. 6 .

The casing 1 and the mobile terminal 100 provided by the embodiment of the present invention mainly divide the process of polishing the entire outer surface 1a of the casing 1 into two grinding steps: first, the full metal area D3 of the casing 1 is polished, and then the casing 1 is polished. Grinding in the mixing area (the first mixing area D1 and the second mixing area D2), wherein the intersection line of the two grindings (the first preset grinding position A1 and the second preset grinding position A2) is located in the entire shell 1 In the metal area D3, the intersection line of the two grindings is kept away from the antenna slit 11, so that the metal area D3 has sufficient strength to support the grinding when the polishing consumables are grinding at the intersection line, which improves the polishing yield.

The modules or units of the embodiments of the present invention can be combined or split according to actual needs.

The above is the implementation manner of the embodiment of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the embodiment of the present invention, some improvements and modifications can also be made. These improvements and modifications are also It is regarded as the protection scope of the present invention.

Claims (10)

1. A processing method for a shell, characterized in that, comprising: A housing is provided, the housing has an antenna slot and a non-signal shielding material, the non-signal shielding material is disposed in the antenna slot of the housing, the housing has a first mixing area, a metal area adjacently arranged and a second mixed area, the metal area is a metal continuous area in the housing, and both the first mixed area and the second mixed area are successively connected metal and non-signal shielding materials in the housing and metal areas; Grinding the first grinding consumables from a first preset grinding position on the metal area of the housing to a second preset grinding position on the metal area of the housing; Grinding the second grinding consumables from the first preset grinding position of the metal area and passing through the adjacent first mixing area to an edge of the housing; The second grinding consumables are ground at the second preset grinding position of the metal area and pass through the adjacent second mixing area to the other edge of the housing. 2. The method according to claim 1, wherein the non-signal shielding material in the first mixing area is far away from the area included in the position tolerance zone of the first preset grinding position; The non-signal shielding material in the area is away from the area included in the position tolerance zone of the second preset grinding position. 3. The method according to claim 2, wherein the distance between the first preset grinding position and the adjacent non-signal shielding material in the first mixing area is 1mm-2mm; and/or, The distance between the second preset grinding position and the adjacent non-signal shielding material in the second mixing area is 1mm˜2mm. 4. The method according to any one of claims 1 to 3, characterized in that the method comprises: The third grinding consumable starts grinding at one edge of the housing and passes through the first mixing area, the metal area and the second mixing area in sequence until reaching the other edge of the housing. 5. The method according to claim 1, characterized in that, the step of providing the casing comprises: Antenna slits are provided on the casing, and the antenna slits have two groups, and the two groups of antenna slits are arranged close to the ends of the casing respectively, so that the casing forms a first mixed area and a metal area connected in sequence and a second mixing zone; Fill the antenna slit with non-signal shielding material, the non-signal shielding material protrudes from the antenna slit on the outer surface of the housing, and the non-signal shielding material overflows to the second part of the housing A preset grinding position and a second preset grinding position. 6. The method according to claim 5, wherein a drainage groove is provided on the housing, one end of the drainage groove is connected to the antenna slit, and the other end of the drainage groove faces toward the The metal region extends in a direction so that the drainage groove overflows the non-signal shielding material to the first preset grinding position and the second preset grinding position of the housing. 7 . The method according to claim 5 , wherein nano injection molding is performed on the antenna slot to fill the antenna slot with a non-signal shielding material. 8 . 8 . The method according to claim 1 , wherein the first grinding consumable is of a different type from the second grinding consumable. 9. A shell, characterized in that the shell is manufactured by the shell processing method according to any one of claims 1-8. 10. A mobile terminal, characterized in that the mobile terminal comprises the casing according to claim 9.