CN114885546A - Electronic product shell, injection molding method and manufacturing method - Google Patents
Electronic product shell, injection molding method and manufacturing method Download PDFInfo
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- CN114885546A CN114885546A CN202210534153.9A CN202210534153A CN114885546A CN 114885546 A CN114885546 A CN 114885546A CN 202210534153 A CN202210534153 A CN 202210534153A CN 114885546 A CN114885546 A CN 114885546A
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- longitudinal
- groove
- transverse
- side wall
- metal shell
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/04—Metal casings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention relates to an electronic product shell adopting a novel glue pulling structure, which comprises a metal shell and a plastic structure, wherein the glue pulling structure is arranged on the inner side wall of the metal shell at a position corresponding to the plastic structure and comprises a longitudinal groove and a transverse groove; the plastic structure is provided with connecting parts with corresponding shapes at positions corresponding to the longitudinal groove and the transverse groove respectively, and the plastic structure is fixedly connected with the metal shell through the connecting parts. According to the invention, the metal shell is respectively provided with the longitudinal groove and the transverse groove, so that the plastic structure formed by injection molding is fixed with the metal shell in multiple directions, and the connection is firmer; and the stress is more uniform, the requirement on the thickness of the zipper glue structure is lower, the thickness of a metal plate for producing the metal shell can be reduced to 2mm, and the cost of raw materials is reduced.
Description
Technical Field
The invention belongs to the technical field of electronic product shell processing, and relates to an electronic product shell adopting a novel rubber pulling structure, an injection molding method and a manufacturing method.
Background
The electronic product shell processing industry is competitive, and more electronic product shells adopt a forging and pressing molding aluminum-plastic combined processing mode to reduce the processing cost. As shown in fig. 1 and 2, when the conventional processing technology is used for processing the electronic product housing by aluminum-plastic combination, a through hole 91 needs to be milled on the metal shell 1, then a groove 92 needs to be milled on the outer side wall of the metal shell 1 at a position corresponding to the through hole 91, and a T-shaped groove 9 is formed through the through hole 91 and the groove 92 to serve as a drawing structure; however, the aluminum alloy drawing structure has high requirement on the thickness of the side wall of the metal shell 1, the thickness of the side wall needs to be more than 4mm, which requires that the thickness of the raw material for producing the shell of the electronic product also needs to be more than 4mm, but after the shell of the electronic product such as a mobile phone is produced and formed, the thickness of most positions is far less than 4mm, so that the effective use ratio of the raw material is low, and the cost is high. Moreover, the processing time is longer by adopting the processing technology.
Disclosure of Invention
In view of the above, the present invention provides an electronic product housing, an injection molding method and a manufacturing method thereof.
In order to achieve the purpose, the invention provides the following technical scheme:
an electronic product shell adopting a novel glue pulling structure comprises a metal shell and a plastic structure arranged on the inner wall of the metal shell; a glue pulling structure is arranged on the inner wall of the metal shell at a position corresponding to the plastic structure, the glue pulling structure comprises a longitudinal groove and a transverse groove which are formed on the inner wall of the metal shell, and the sizes of the notches of the longitudinal groove and the transverse groove are smaller than the size of the bottom of the groove; the plastic structure comprises a longitudinal arrangement part formed in the longitudinal groove in an injection molding mode, a transverse arrangement part formed in the transverse groove in an injection molding mode, and a main body part which is integrally formed on the inner sides of the longitudinal arrangement part and the transverse arrangement part to connect the longitudinal arrangement part and the transverse arrangement part into a whole.
Further, the metal shell comprises a bottom wall and side walls vertically arranged at the edges of the bottom wall; the glue pulling structure is formed on the inner wall of the corresponding side wall, and the size of the main body part is matched with the size of an area on the corresponding side wall, wherein the glue pulling structure is distributed on the corresponding side wall.
Furthermore, a plurality of longitudinal grooves are distributed on the inner wall of the corresponding side wall at intervals along the length direction of the inner wall, and the length of each transverse groove is matched with the distribution path of the longitudinal grooves so as to be communicated with the longitudinal grooves in a criss-cross mode.
Further, the longitudinal groove penetrates through the corresponding side wall from the height direction of the corresponding side wall, and the longitudinal groove penetrates through the corresponding side wall inwards so that the notch of the longitudinal groove faces the inside of the metal shell; the transverse groove penetrates through the corresponding side wall inwards to enable the notch of the transverse groove to face the interior of the metal shell.
Further, the thickness of the side wall of the glue pulling structure is 2mm +/-10%, and the depth of the longitudinal groove and/or the transverse groove is 0.3-0.6 mm.
Furthermore, the longitudinal grooves and the transverse grooves are isosceles trapezoid grooves with isosceles trapezoid cross sections.
Further, the metal shell is provided with a first side wall and a second side wall which are long and parallel to each other, and a first end wall and a second end wall which are short and parallel to each other;
a plurality of first longitudinal grooves are distributed on first sections, close to the first end wall, of the first side wall and the second side wall at intervals along the length direction of the metal shell, and a plurality of second longitudinal grooves are distributed on second sections, close to the second end wall, of the first side wall and the second side wall at intervals along the length direction of the metal shell; third longitudinal grooves are distributed on the first end wall and the second end wall at intervals along the width direction of the metal shell; first transverse grooves are formed in the first section of the first side wall, the first section of the second side wall and the first end wall, and the first transverse grooves are transversely communicated with the first longitudinal grooves and the third longitudinal grooves in the first end wall; second transverse grooves are formed in the second section of the first side wall, the second section of the second side wall and the second end wall and are transversely communicated with the second longitudinal groove and a third longitudinal groove in the second end wall;
a first longitudinal groove distributed on the first section of the first side wall, a first longitudinal groove distributed on the first section of the second side wall, a third longitudinal groove distributed on the first end wall and the first transverse groove form a U-shaped first glue pulling structure on the horizontal plane projection; a second longitudinal groove distributed on the second section of the first side wall, a second longitudinal groove distributed on the second section of the second side wall, a third longitudinal groove distributed on the second end wall and the second transverse groove form a U-shaped second glue pulling structure on the horizontal plane projection;
the plastic structure comprises a first plastic structure and a second plastic structure, wherein the first plastic structure is formed by injection molding with the first glue pulling structure, and the second plastic structure is formed by injection molding with the second glue pulling structure; the first plastic structure comprises a first U-shaped main body part, a first longitudinal arrangement part and a first transverse arrangement part, wherein the size of the first U-shaped main body part is matched with the size of an area, on the corresponding side wall, of the first glue pulling structure, the area is distributed with the first glue pulling structure, the first longitudinal arrangement part is formed in the first glue pulling structure in an injection molding mode, and the first transverse arrangement part is formed in the first glue pulling structure in a transverse groove in an injection molding mode; the second plastic structure comprises a second U-shaped main body part, a second longitudinal arrangement part and a second transverse arrangement part, wherein the size of the second U-shaped main body part is matched with the size of an area, on the corresponding side wall, of the second glue pulling structure, the second longitudinal arrangement part is formed in a longitudinal groove of the second glue pulling structure in an injection molding mode, and the second transverse arrangement part is formed in a transverse groove of the second glue pulling structure in an injection molding mode.
A metal plastic injection molding method for an electronic product shell adopting a novel pulling glue structure comprises the following steps:
s101, arranging a glue pulling structure at a position, corresponding to injection molding, on a metal plate; the glue pulling structure comprises a longitudinal groove and a transverse groove which are formed on a metal plate, and the sizes of the notches of the longitudinal groove and the transverse groove are smaller than the size of the bottom of the groove;
s102, processing a metal plate into the metal shell through forging and pressing, and enabling the glue drawing structure to be located on the inner wall of the metal shell;
s103, forming a cutting groove in the metal shell;
s104, injection molding a plastic structure at the glue pulling structure, wherein the plastic structure comprises a longitudinal arrangement part formed in the longitudinal groove in an injection molding mode, a transverse arrangement part formed in the transverse groove in an injection molding mode, and a main body part which is integrally formed on the inner sides of the longitudinal arrangement part and the transverse arrangement part so as to connect the longitudinal arrangement part and the transverse arrangement part into a whole.
Further, the step S101 includes the following substeps:
s1011, according to the design position of the longitudinal groove, enabling a milling head of the milling cutter to move inwards from the opening position of the longitudinal groove on the side surface of the metal plate to mill the longitudinal groove;
and S1012, after the longitudinal groove is milled, extending a milling head of the milling cutter into the longitudinal groove, moving the milling head to the designed connecting position of the transverse groove and the longitudinal groove, and milling the transverse groove along the designed transverse groove path.
A manufacturing method of an electronic product shell adopting a novel glue pulling structure comprises the following steps:
s201, performing injection molding on a plastic structure at a corresponding inner wall of the metal shell by using the metal plastic injection molding method according to claim 8 or 9;
s202, adopting CNC to perform finish treatment on the shape of the metal shell to enable the outer wall of the metal shell to be smooth;
s203, forming a key hole and a horn hole in the metal shell;
s204, forming a screw hole on the metal shell;
s205, performing sand blasting and anodic treatment on the metal shell;
s206, forming a preset mark on the outer wall of the metal shell
According to the invention, the metal shell is respectively provided with the longitudinal groove and the transverse groove, so that the plastic structure formed by injection molding is fixed with the metal shell in multiple directions, and the aluminum-plastic combination is firmer; through the dovetail groove structure that adopts rectangular shape, the connecting portion of plastic structure and the area of contact in dovetail groove are big, and the atress is even, and the thickness requirement to drawing glued structure department is lower, and the sheet metal thickness that uses in producing metal casing can attenuate to 2mm, has reduced the cost of raw and other materials.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a housing of an electronic product in the prior art.
Fig. 2 is a schematic diagram of a prior art tab structure.
Fig. 3 is a schematic structural diagram of an electronic product housing adopting the novel adhesive tape structure according to a preferred embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic structural diagram of a metal housing.
Fig. 6 is a schematic view of the structure of the longitudinal grooves.
Fig. 7 is a schematic structural diagram of a plastic structure.
Fig. 8 is a flow chart of a method for manufacturing an electronic product housing using a novel adhesive pulling structure according to a preferred embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a metal plate.
Fig. 10 is a schematic structural diagram of a metal plate with a glue drawing structure milled thereon.
Fig. 11 is a schematic structural view of the milling cutter used in step S101.
FIG. 12 is a sub-flowchart of the step S101;
fig. 13 is a flow chart of a method for manufacturing an electronic product housing using a novel adhesive structure according to a preferred embodiment of the present invention.
In the figure: 1. the structure comprises a metal shell, 2a and 2b plastic structures, 3a and 3b adhesive pulling structures, 9T-shaped grooves, 10 metal plates, 11 bottom surface areas, 12 side wall areas, 20a and 20b main body parts, 21a and 21b longitudinal arrangement parts, 22a and 22b transverse arrangement parts, 30a and 30b transverse grooves, 31a, 31b, 31c, 31d, 31e, 31f, 31h, 31g, 31h, 31i and 31j longitudinal grooves, 91 through holes, 92 grooves, 100 inner cavities, 101 bottom walls, 102 first side walls, 103 second side walls, 104 first end walls, 105 second end walls, 200 milling cutters, 201 milling cutter heads.
Detailed Description
The embodiments of the invention are explained below by means of specific examples, the illustrations provided in the following examples are merely illustrative of the basic idea of the invention, and features in the following examples and examples can be combined with one another without conflict.
As shown in fig. 3 and 4, the electronic product housing adopting the novel adhesive pulling structure of the invention comprises a metal housing 1 and a plastic structure 2 disposed on the inner wall of the metal housing 1. The metal shell 1 includes a bottom wall and side walls erected at edges of the bottom wall. In this embodiment, the metal case 1 is made of an aluminum material. In other embodiments, the metal housing 1 is not limited to the aluminum material, and other metal materials may be used. The plastic structure 2 can be made of a PBT plastic material or other plastic materials. The inner wall of the metal shell 1 is provided with a glue pulling structure 3 at the position corresponding to each plastic structure 2. In the manufacturing process of the electronic product shell, according to actual requirements, the metal shell 1 is generally formed with a key hole, a speaker hole, a screw hole and other structures, which are the same as the corresponding structures of the electronic product shell in the prior art, and are not described herein again.
As shown in fig. 5 and 6, the metal case 1 of the present embodiment has a rectangular shape in a horizontal plane figure. The metal case 1 has a bottom wall 101, a first side wall 102 formed on one long side of the bottom wall 101, a second side wall 103 formed on the other long side of the bottom wall 101, a first end wall 104 formed on one short side of the bottom wall 101, and a second end wall 105 formed on the other short side of the bottom wall 101. The bottom wall 101, the first side wall 102, the second side wall 103, the first end wall 104 and the second end wall 105 enclose the metal housing 1 having a semi-closed inner cavity 100 (hereinafter referred to as the inner cavity 100). The surfaces of the bottom wall 101, the first side wall 102, the second side wall 103, the first end wall 104 and the second end wall 105 facing the inner cavity 100 are referred to as inner walls (inner walls corresponding to the side walls) or inner walls of the metal shell. It should be understood that the shape of the metal casing 1 is not limited to the rectangular shape described above, and in different embodiments, other variations are possible according to actual requirements, and in the case of variations, the corresponding side walls may be changed accordingly according to the shape of the bottom wall.
In this embodiment, a plurality of first longitudinal grooves 31a and 31b are uniformly distributed on first sections L1 and L1 'of the first side wall 102 and the second side wall 103, which are close to the first end wall 104, at intervals along the length direction of the metal shell 1, and a plurality of second longitudinal grooves 31c and 31d are uniformly distributed on second sections L2 and L2' of the first side wall 102 and the second side wall 103, which are close to the second end wall 105, at intervals along the length direction of the metal shell 1; third longitudinal grooves 31e and 31f are distributed on the first end wall 104 and the second end wall 105 at intervals along the width direction of the metal shell 1; the first section L1 of the first side wall 102, the first section L1' of the second side wall and the first end wall 104 are provided with a first transverse groove 30a, and the first transverse groove 30a is transversely communicated with the first longitudinal grooves 31a and 31b and a third longitudinal groove 31e on the first end wall 104, namely, the length of the first transverse groove 30a is matched with the distribution path of the longitudinal grooves (the length of the first transverse groove 30a is consistent with the distribution path of the first longitudinal grooves 31a and 31b and the third longitudinal groove 31 e); the second section L2 of the first side wall 102, the second section L2' of the second side wall 103 and the second end wall 105 are provided with a second transverse groove 30b, and the second transverse groove 30b is transversely communicated with the second longitudinal groove and a third longitudinal groove 31f on the second end wall 105, namely, the length of the second transverse groove 30b is matched with the distribution path of the plurality of longitudinal grooves (the length of the second transverse groove 30b is matched with the distribution path of the second longitudinal grooves 31c and 31d and the third longitudinal groove 31 f).
In one embodiment, a first corner longitudinal groove 31g may be formed near a first longitudinal groove 31a of the first end wall 104 or near a third longitudinal groove 31e of the first side wall 102 at the intersection between the first side wall 102 and the first end wall 104. A second corner longitudinal groove 31h may be formed adjacent to a first longitudinal groove 31b in the first end wall 104 or adjacent to a third longitudinal groove 31e in the second side wall 103 at the intersection between said second side wall 103 and the first end wall 104. Third corner longitudinal grooves 31i may be formed near a second longitudinal groove 31c on the second end wall 105 or near a third longitudinal groove 31f on the first side wall 102 at the intersection between the first side wall 102 and the second end wall 105. A fourth corner longitudinal slot 31j may be formed by having one second longitudinal slot 31d in the second end wall 105 or one third longitudinal slot 31f in the second side wall 103 running near the intersection between said second side wall 103 and second end wall 105. The first longitudinal grooves 31a, 31b, the second longitudinal grooves 31c, 31d are used for limiting the displacement of the plastic structure 2 in the length direction of the metal shell 1, and the third longitudinal grooves 31e, 31f are used for limiting the displacement of the plastic structure 2 in the width direction of the metal shell 1; the transverse slot is used for limiting the displacement of the plastic structure 2 in the height direction of the metal shell 1. The first corner longitudinal groove 31g, the second corner longitudinal groove 31h, the third corner longitudinal groove 31i and the fourth corner longitudinal groove 31j are used for limiting the displacement of the plastic structure 2 in the length direction and the width direction of the metal shell 1.
For convenience of processing, the longitudinal grooves are all designed to be through grooves penetrating along the height direction of the corresponding side walls, that is, the longitudinal grooves penetrate through the corresponding side walls from the height direction of the corresponding side walls, and the longitudinal grooves penetrate through the corresponding side walls inwards to enable the notches of the longitudinal grooves to face the inside of the metal shell 1; the transverse grooves penetrate the corresponding side walls inward so that the notches of the transverse grooves face the inside of the metal shell 1. Namely: (1) the first longitudinal groove 31a and the second longitudinal groove 31c penetrate the first sidewall 102 from the height direction of the first sidewall, the first longitudinal groove 31b and the second longitudinal groove 31d penetrate the second sidewall 103 from the height direction of the second sidewall 103, the third longitudinal groove 31e penetrates the third sidewall 104 from the height direction of the first sidewall 104, and the third longitudinal groove 31f penetrates the third sidewall 105 from the height direction of the second sidewall 105. (2) The first transverse slot 30a extends transversely through the first section L1 of the first side wall 102, the first end wall 104 and the first section L1' of the second side wall 103. The second transverse slot 30b extends transversely through the second section L2 of the first side wall 102, the second end wall 105, and the second section L2' of the second side wall 104. (3) The notches of the first vertical grooves 31a, 31b, the second vertical grooves 31c, 31d, the third vertical grooves 31e, 31f, the first transverse groove 30a and the second transverse groove 30b face the inner cavity 100.
The first longitudinal groove 31a distributed on the first section L1 of the first side wall 102, the first longitudinal groove 31b distributed on the first section L1' of the second side wall 103, the third longitudinal groove 31e distributed on the first end wall 104 and the first transverse groove 30a form a U-shaped first glue drawing structure 3a in horizontal projection; the second longitudinal groove 31c distributed on the second section L2 of the first side wall 102, the second longitudinal groove 31d distributed on the second section L2' of the second side wall 103, the third longitudinal groove 31f distributed on the second end wall 105 and the second transverse groove 30b form a U-shaped second glue drawing structure 3b in horizontal projection. In the present embodiment, the glue spreading structure 3 includes a first glue spreading structure 3a and a second glue spreading structure 3b. It should be understood that the first glue spreading structure 3a and the second glue spreading structure 3b of the present embodiment are only one example of the embodiment as a specific example to illustrate a specific form and an arrangement position of the glue spreading structure 3, but the first glue spreading structure 3a and the second glue spreading structure 3b are not limited to other forms and arrangement positions of the glue spreading structure 3. For example, in some embodiments, according to actual requirements, the inner wall of any one of the side walls may be covered with longitudinal grooves and transverse grooves, and the longitudinal grooves and the transverse grooves may be arranged on the inner wall of the metal shell 1 according to requirements. The number of longitudinal grooves and transverse grooves may vary according to the actual requirements, and the length and path of the transverse grooves may also vary, for example the transverse grooves may be chosen not to be staggered with the longitudinal grooves, for example the transverse grooves may be chosen to be staggered with one or more of the longitudinal grooves, etc., the transverse grooves are not strictly horizontal, and the transverse grooves may be diagonal grooves close to horizontal, if allowed. The first, second and third are only longitudinal grooves and transverse grooves provided for distinguishing the respective region positions, and in other embodiments, terms such as the first, second and third may be omitted, and the transverse grooves at a certain position and the longitudinal grooves at a certain position may be directly used for distinguishing.
In order to facilitate the subsequent injection molding of the plastic structure 2, the size of each of the longitudinal grooves and the transverse grooves is smaller than the size of the groove bottom, for example, the groove bottom has a trapezoidal cross section, preferably an isosceles trapezoidal groove, for example, a groove body with a variable cross section gradually decreasing from the groove bottom to the groove opening, for example, a step groove with a step-type reduced cross section, and the like. In this embodiment, each of the longitudinal grooves and the transverse grooves is preferably an isosceles trapezoid groove having an isosceles trapezoid cross section. The base angle (the angle between the groove bottom and the side wall of the groove) of the isosceles trapezoid is preferably 45-65 degrees; the height of the isosceles trapezoid (i.e., the depth of the trapezoid groove) is preferably 0.3mm to 0.6mm, and in this embodiment is 0.5 mm. The upper base width (slot width) of the isosceles trapezoid is preferably 1.5 mm-2.5 mm, in this embodiment 2 mm; the lower bottom width (groove bottom width) is preferably 2mm to 3mm, in this embodiment 2.5 mm. The thickness of the side wall of the glue pulling structure 3 is preferably 2mm +/-10%.
As shown in fig. 4 and 7, the plastic structure 2 includes a longitudinal disposing part 21 injection-molded in the longitudinal groove, a transverse disposing part 22 injection-molded in the transverse groove, and a main body part 20 integrally formed inside the longitudinal disposing part 21 and the transverse disposing part 22 to connect the longitudinal disposing part 21 and the transverse disposing part 22 into a whole. The size of the main body part 20 is matched with the size of the area of the glue pulling structure 3 distributed on the corresponding side wall. The main body 20 is preferably a "U" shaped structure, and the positions of the "U" shaped structure corresponding to the longitudinal grooves are respectively formed with a longitudinal setting part 21.
In this embodiment, the plastic structure 2 includes a first plastic structure 2a injection-molded with the first glue pulling structure 3a and a second plastic structure 2b injection-molded with the second glue pulling structure 3 b; the first plastic structure 2a comprises a first U-shaped main body portion 20a having a size matched with a size of an area on the corresponding side wall where the first glue spreading structure 3a is distributed, a first longitudinal arrangement portion 21a of a longitudinal groove injection-molded in the first glue spreading structure 3a, and a first transverse arrangement portion 22a of a first transverse groove 30a injection-molded in the first glue spreading structure 3 a; the second plastic structure 2b includes a second U-shaped main body portion 20b having a size matched with a size of an area on the corresponding sidewall where the second glue spreading structure 3b is distributed, a second longitudinal setting portion 21b of a longitudinal groove injection-molded in the second glue spreading structure 3b, and a second transverse setting portion 22b of a second transverse groove 30b injection-molded in the second glue spreading structure 3b.
According to the embodiment of the invention, the strip-shaped trapezoidal grooves are respectively formed in the length direction, the width direction and the depth direction of the metal shell 1, so that the plastic structure 2 formed by injection molding is fixed with the metal shell 1 in three directions, and the aluminum-plastic combination is firmer; through the dovetail groove structure that adopts rectangular shape, the area of contact of plastic structure 2's correspondence modification bar and dovetail groove is big, and the atress is even, and the thickness requirement to drawing glued structure 3 is lower, and the sheet metal thickness that uses in production metal casing 1 can attenuate to 2mm, has reduced the cost of raw and other materials.
As shown in fig. 8, the invention also discloses a metal plastic molding method of the electronic product shell adopting the novel pulling glue structure. The invention adopts a preferred embodiment of the metal plastic forming method of the electronic product shell with the novel pulling glue structure, which comprises the following steps:
and S100, punching and blanking. And stamping the metal plate 10 with a corresponding shape according to the design size of the shell of the electronic product by using a punch press. As shown in fig. 9, the metal plate 10 may be divided into a bottom area 11 and a side area 12 by dotted lines (the dotted lines are only for convenience of dividing the areas to understand the present invention, and do not exist on the actual object of the metal plate 10). After the box-shaped metal case 1 is formed by the forging of step S103, the bottom region 11 forms the bottom of the metal case 1, and the side regions 12 form the sidewalls around the metal case 1. In this embodiment, the metal plate 10 is made of an aluminum material, but other metal materials may be used.
S101, as shown in fig. 10, a CNC device may be used to mill the adhesive structure 3 through the milling cutter 200 at a position on the metal plate 10 corresponding to the injection molding of the side surface region 12. The glue pulling structure 3 comprises a longitudinal groove and a transverse groove which are formed in the side surface area 12, the longitudinal groove penetrates through the corresponding side wall from the height direction of the corresponding side wall, and the longitudinal groove penetrates through the corresponding side wall inwards to enable the notch of the longitudinal groove to face the inside of the metal shell 1; the transverse grooves penetrate the corresponding side walls inward so that the notches of the transverse grooves face the inside of the metal shell 1. The length of the transverse grooves is matched with the distribution paths of the plurality of longitudinal grooves so as to be communicated with the plurality of longitudinal grooves in a criss-cross mode. The longitudinal grooves preferably comprise a first longitudinal groove 31a, a first corner longitudinal groove 31g, a third longitudinal groove 31e, a second corner longitudinal groove 31h and a first longitudinal groove 31b which are arranged corresponding to the arrangement region of the first plastic structure 2 a; and a second longitudinal slot 31c, a third corner longitudinal slot 31i, a third longitudinal slot 31f, a fourth corner longitudinal slot 31j and a second longitudinal slot 31d which are arranged corresponding to the arrangement region of the second plastic structure 2b. The sizes of the notches of the longitudinal groove and the transverse groove are smaller than the size of the bottom of the groove; the longitudinal grooves and the transverse grooves are preferably isosceles trapezoid grooves with isosceles trapezoid cross sections. The base angle of the isosceles trapezoid is preferably 45-65 degrees; the height of the isosceles trapezoid (i.e., the depth of the trapezoid groove) is preferably 0.3mm to 0.6mm, and in this embodiment is 0.5 mm. The upper base width of the isosceles trapezoid is preferably 1.5 mm-2.5 mm, and in this embodiment is 2 mm; the width of the lower base is preferably 2mm to 3mm, in this embodiment 2.5 mm. The thickness of the side wall of the glue pulling structure 3 is preferably 2mm +/-10%. In order to facilitate the forming of the trapezoidal grooves in the metal plate 10, the longitudinal grooves are all semi-through grooves with openings on the side surfaces of the metal plate 10, and the length of the longitudinal grooves is preferably equal to the designed depth of the inner cavity 100 of the metal shell 1.
As shown in fig. 11, the milling cutter 200 used by the CNC apparatus in this step is provided with a milling head 201. As shown in fig. 12, this step may include the following sub-steps:
s1011, according to the design position of the longitudinal groove, enabling a milling head of the milling cutter to move inwards from the opening position of the longitudinal groove on the side surface of the metal plate to mill the longitudinal groove;
and S1012, after the longitudinal groove is milled, extending a milling head of the milling cutter into the longitudinal groove, moving the milling head to the designed connecting position of the transverse groove and the longitudinal groove, and milling the transverse groove along the designed transverse groove path.
The method for milling the longitudinal grooves by the milling cutter 200 is as follows:
the milling head 201 of the milling cutter 200 is moved inward from the opening position of the longitudinal groove at the side surface of the metal plate material 10 to the boundary between the bottom surface region 11 and the side surface region 12 to mill the longitudinal groove according to the designed position of the longitudinal groove.
The method for milling the transverse groove by the milling cutter 200 comprises the following steps:
after milling at least one longitudinal groove communicating with the transverse groove, the milling head 201 of the milling cutter 200 is extended into one longitudinal groove communicating with the transverse groove and moved to a position where the transverse groove is connected with the longitudinal groove, and the transverse groove is milled along the designed path of the transverse groove.
Taking the first transverse groove 30a as an example, at least one longitudinal groove (i.e., one of the first longitudinal groove 31a, the first longitudinal groove 31b, the second longitudinal groove 31e, the first corner longitudinal groove 31g, and the second corner longitudinal groove 31 h) communicating with the first transverse groove 30a may be milled by the milling cutter 200, then the first transverse groove 30a is milled, and finally the remaining longitudinal grooves are milled; it is also possible to mill the first longitudinal groove 31a, the first longitudinal groove 31b, the second longitudinal groove 31e, the first corner longitudinal groove 31g and the second corner longitudinal groove 31h first and then mill the first transverse groove 30 a.
And S103, processing the metal plate 10 into a box-shaped metal shell 1 by forging, so that the bottom surface region 11 of the metal plate 10 forms the bottom of the metal shell 1, and the side surface region of the metal plate 10 forms the side wall around the metal shell 1, so that the longitudinal groove and the transverse groove are both positioned on the inner side wall of the metal shell 1.
S104, a cutting groove (not shown) is formed in the metal case 1. In order to avoid the metal shell 1 from generating a closed circuit to prevent signal transmission, a part of the metal shell needs to be cut off, and the step is the prior art and is not described herein.
And S105, injection molding the plastic structure 2 in the inner cavity 100 of the metal shell 1. In this embodiment, the injection molding is performed by using a PBT plastic material, but other plastic materials may be used. Because on the lateral wall of inner chamber 100, all formed the dovetail groove in length direction, width direction and the depth direction of metal casing 1 in order to prevent the displacement of plastic structure 2 in this orientation, difficult plastic-aluminum separation, and adopt the dovetail groove structure of width under the narrow top, the plastic-aluminum cohesion can be better. The dovetail groove structure is rectangular shape, makes the area of contact of plastic structure 2 and dovetail groove big to can disperse metal casing 1 stress in all directions, the sheet metal thickness that uses in producing metal casing 1 can attenuate to 2mm, greatly reduced the cost of raw and other materials.
In the embodiment, the plastic structure 2 is formed by respectively forming the strip-shaped trapezoidal grooves in the length direction, the width direction and the depth direction of the metal shell 1 to form the glue pulling structure 3 and then performing injection molding, so that the plastic structure 2 is fixed with the metal shell 1 in three directions, and the aluminum-plastic combination is firmer; by adopting the strip-shaped trapezoid-shaped groove structure, the plastic structure 2 has large contact area with the trapezoid-shaped groove, uniform stress and lower requirement on the thickness of the side wall of the metal shell 1, thereby reducing the cost of raw materials; the processing technology is simpler, all the trapezoidal grooves can be processed at one time by the same milling cutter 200, and the processing efficiency is higher; the method can be widely applied to the manufacturing process of shells of electronic products such as mobile phones, tablet computers and the like.
As shown in fig. 13, the invention also discloses a method for manufacturing an electronic product housing with the novel adhesive pulling structure. The invention adopts a preferred embodiment of the manufacturing method of the electronic product shell with the novel pulling glue structure, which comprises the following steps:
s201, manufacturing the metal shell 1 by adopting the metal plastic forming method of any one of the embodiments, and performing injection molding on the plastic structure 3 at the corresponding inner wall of the metal shell 1.
S202, adopting CNC to perform finish treatment on the shape of the metal shell 1 to enable the outer wall of the metal shell 1 to be smooth; at this point, the lumen wall is not machined.
And S203, forming a key hole and a horn hole on the metal shell 1 through CNC, and reserving positions for mounting the key and transmitting sound of the horn later. Of course, other through holes 91 such as a camera mounting hole and a fingerprint module mounting hole can be formed when necessary.
And S204, forming screw holes on the metal shell 1 through CNC (computer numerical control) so as to install the circuit board and other accessories on the metal shell 1.
S205, performing sand blasting and anodic treatment on the metal shell 1; coloring the metal case 1 by anodic oxidation; the metal shell 1 is more beautiful.
S206, forming a predetermined mark on the outer wall of the metal case 1. For example, a laser etching process may be adopted, wherein the outer wall of the metal shell 1 is locally irradiated by a high-energy-density laser, so that the surface material of the outer wall of the metal shell 1 is vaporized or chemically changed to change the color to form a predetermined mark; such as a LOGO, an authentication icon, etc., so as to manufacture the metal shell 1 into an electronic product shell.
In this embodiment, adopted neotype to draw the glued structure in the manufacturing process of electronic product shell, made plastic structure 2 all fixed with metal casing 1 on three orientation, the plastic-aluminum combination is more firm to it is lower to the sheet metal thickness requirement for producing metal casing 1, reduced the cost of raw and other materials, can be applied to the preparation of electronic product shells such as cell-phone, panel computer.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an adopt novel electronic product shell who draws gluey structure which characterized in that: the plastic structure comprises a metal shell and a plastic structure arranged on the inner wall of the metal shell; a glue pulling structure is arranged on the inner wall of the metal shell at a position corresponding to the plastic structure, the glue pulling structure comprises a longitudinal groove and a transverse groove which are formed on the inner wall of the metal shell, and the sizes of the notches of the longitudinal groove and the transverse groove are smaller than the size of the bottom of the groove; the plastic structure comprises a longitudinal arrangement part formed in the longitudinal groove in an injection molding mode, a transverse arrangement part formed in the transverse groove in an injection molding mode, and a main body part which is integrally formed on the inner sides of the longitudinal arrangement part and the transverse arrangement part to connect the longitudinal arrangement part and the transverse arrangement part into a whole.
2. The electronic product housing adopting the novel zipper tape structure as claimed in claim 1, wherein: the metal shell comprises a bottom wall and side walls vertically arranged at the edges of the bottom wall; the glue pulling structure is formed on the inner wall of the corresponding side wall, and the size of the main body part is matched with the size of an area on the corresponding side wall, wherein the glue pulling structure is distributed on the corresponding side wall.
3. The electronic product housing adopting the novel zipper tape structure as claimed in claim 2, wherein: the inner wall of the corresponding side wall is provided with a plurality of longitudinal grooves at intervals along the length direction, and the length of the transverse groove is matched with the distribution path of the longitudinal grooves so as to be communicated with the longitudinal grooves in a criss-cross mode.
4. The electronic product housing adopting the novel zipper tape structure as claimed in claim 2, wherein: the longitudinal groove penetrates through the corresponding side wall from the height direction of the corresponding side wall, and the longitudinal groove penetrates through the corresponding side wall inwards to enable the notch of the longitudinal groove to face the inside of the metal shell; the transverse groove penetrates through the corresponding side wall inwards to enable the notch of the transverse groove to face the interior of the metal shell.
5. The electronic product housing adopting the novel pulling glue structure as set forth in claim 1, wherein: the thickness of the side wall at the glue pulling structure is 2mm +/-10%, and the depth of the longitudinal groove and/or the transverse groove is 0.3-0.6 mm.
6. The electronic product housing adopting the novel zipper tape structure as claimed in claim 1, wherein: the longitudinal grooves and the transverse grooves are isosceles trapezoid grooves with isosceles trapezoid cross sections.
7. The electronic product housing adopting the novel pulling glue structure as claimed in any one of claims 2 to 6, wherein: the metal shell is provided with a first side wall and a second side wall which are long and parallel to each other, and a first end wall and a second end wall which are short and parallel to each other;
a plurality of first longitudinal grooves are distributed on first sections, close to the first end wall, of the first side wall and the second side wall at intervals along the length direction of the metal shell, and a plurality of second longitudinal grooves are distributed on second sections, close to the second end wall, of the first side wall and the second side wall at intervals along the length direction of the metal shell; third longitudinal grooves are distributed on the first end wall and the second end wall at intervals along the width direction of the metal shell; first transverse grooves are formed in the first section of the first side wall, the first section of the second side wall and the first end wall, and the first transverse grooves are transversely communicated with the first longitudinal grooves and the third longitudinal grooves in the first end wall; second transverse grooves are formed in the second section of the first side wall, the second section of the second side wall and the second end wall and are transversely communicated with the second longitudinal groove and a third longitudinal groove in the second end wall;
a first longitudinal groove distributed on the first section of the first side wall, a first longitudinal groove distributed on the first section of the second side wall, a third longitudinal groove distributed on the first end wall and the first transverse groove form a U-shaped first glue pulling structure on the horizontal plane projection; a second longitudinal groove distributed on the second section of the first side wall, a second longitudinal groove distributed on the second section of the second side wall, a third longitudinal groove distributed on the second end wall and the second transverse groove form a U-shaped second glue pulling structure on the horizontal plane projection;
the plastic structure comprises a first plastic structure and a second plastic structure, wherein the first plastic structure is formed by injection molding with the first glue pulling structure, and the second plastic structure is formed by injection molding with the second glue pulling structure; the first plastic structure comprises a first U-shaped main body part, a first longitudinal arrangement part and a first transverse arrangement part, wherein the size of the first U-shaped main body part is matched with the size of an area, on the corresponding side wall, of the first glue pulling structure, the area is distributed with the first glue pulling structure, the first longitudinal arrangement part is formed in the first glue pulling structure in an injection molding mode, and the first transverse arrangement part is formed in the first glue pulling structure in a transverse groove in an injection molding mode; the second plastic structure comprises a second U-shaped main body part, a second longitudinal arrangement part and a second transverse arrangement part, wherein the size of the second U-shaped main body part is matched with the size of an area, which is distributed on the corresponding side wall, of the second glue pulling structure, the second longitudinal arrangement part is formed in a longitudinal groove in the second glue pulling structure in an injection molding mode, and the second transverse arrangement part is formed in a transverse groove in the second glue pulling structure in an injection molding mode.
8. A metal plastic injection molding method for an electronic product shell adopting a novel pulling glue structure is characterized by comprising the following steps:
s101, arranging a glue pulling structure at a position, corresponding to injection molding, on a metal plate; the glue pulling structure comprises a longitudinal groove and a transverse groove formed in a metal plate, and the sizes of the notches of the longitudinal groove and the transverse groove are smaller than the size of the bottom of the groove;
s102, processing a metal plate into the metal shell through forging and pressing, and enabling the glue drawing structure to be located on the inner wall of the metal shell;
s103, forming a cutting groove in the metal shell;
s104, injection molding a plastic structure at the glue pulling structure, wherein the plastic structure comprises a longitudinal arrangement part formed in the longitudinal groove in an injection molding mode, a transverse arrangement part formed in the transverse groove in an injection molding mode, and a main body part which is integrally formed on the inner sides of the longitudinal arrangement part and the transverse arrangement part so as to connect the longitudinal arrangement part and the transverse arrangement part into a whole.
9. The metal plastic injection molding method of electronic product housing adopting novel pulling glue structure as claimed in claim 8, wherein the step S101 comprises the following substeps:
s1011, according to the design position of the longitudinal groove, enabling a milling head of the milling cutter to move inwards from the opening position of the longitudinal groove on the side surface of the metal plate to mill the longitudinal groove;
and S1012, after the longitudinal groove is milled, extending a milling head of the milling cutter into the longitudinal groove, moving the milling head to the designed connecting position of the transverse groove and the longitudinal groove, and milling the transverse groove along the designed transverse groove path.
10. A manufacturing method of an electronic product shell adopting a novel glue pulling structure is characterized by comprising the following steps:
s201, performing injection molding on a plastic structure at a corresponding inner wall of the metal shell by using the metal plastic injection molding method according to claim 8 or 9;
s202, adopting CNC to perform finish treatment on the shape of the metal shell to enable the outer wall of the metal shell to be smooth;
s203, forming a key hole and a horn hole in the metal shell;
s204, forming a screw hole on the metal shell;
s205, performing sand blasting and anodic treatment on the metal shell;
and S206, forming a preset mark on the outer wall of the metal shell.
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062004A1 (en) * | 2010-11-09 | 2012-05-18 | 深圳庆和胶粘制品有限公司 | Molding method of metal-plastic production with window |
| CN103458633A (en) * | 2012-06-01 | 2013-12-18 | 昆山同寅兴业机电制造有限公司 | Combination structure of electronic product shell and plastic part |
| CN203814076U (en) * | 2014-03-12 | 2014-09-03 | 和成欣业股份有限公司 | Combined type 3C product housing |
| WO2016101875A1 (en) * | 2014-12-26 | 2016-06-30 | 比亚迪股份有限公司 | Metal case for communication device and method for making same |
| CN106659015A (en) * | 2016-11-17 | 2017-05-10 | 东莞劲胜精密组件股份有限公司 | Electronic product frame integrally-formed structural part and manufacturing method therefor |
| CN206314111U (en) * | 2016-10-18 | 2017-07-07 | 东莞劲胜精密组件股份有限公司 | A kind of electronic product casing and electronic product |
| US20180054009A1 (en) * | 2016-08-19 | 2018-02-22 | Foxconn Interconnect Technology Limited | Card edge connector |
| CN108093579A (en) * | 2017-11-16 | 2018-05-29 | 广东欧珀移动通信有限公司 | The processing method of terminal device and its shell and shell |
| CN207531215U (en) * | 2017-11-27 | 2018-06-22 | 维沃移动通信有限公司 | A kind of drawing plastic structure and mobile terminal |
| CN108215234A (en) * | 2016-12-22 | 2018-06-29 | 广州光宝移动电子部件有限公司 | Metallo-plastic engaging member and preparation method thereof |
| CN207733088U (en) * | 2017-10-25 | 2018-08-14 | 常州市威普电子科技有限公司 | Case frame |
| CN108688055A (en) * | 2018-07-27 | 2018-10-23 | Oppo（重庆）智能科技有限公司 | Prepare method, center and the electronic equipment of center |
| CN208190698U (en) * | 2018-03-20 | 2018-12-04 | 金雅豪精密金属科技（深圳）股份有限公司 | The connection structure of plate in mobile phone metal outer frame and mobile phone |
| CN109161950A (en) * | 2018-08-13 | 2019-01-08 | 惠州市华辉信达电子有限公司 | mobile phone metal shell manufacturing method |
| CN209748932U (en) * | 2018-11-27 | 2019-12-06 | 深圳富泰宏精密工业有限公司 | Shell and electronic device |
| CN110722736A (en) * | 2018-07-16 | 2020-01-24 | 富智康精密电子（廊坊）有限公司 | Shell, electronic device and manufacturing method of shell |
| CN111314507A (en) * | 2018-12-11 | 2020-06-19 | 深圳富泰宏精密工业有限公司 | Shell, electronic device applying shell and manufacturing method of electronic device |
| CN215499046U (en) * | 2020-10-30 | 2022-01-11 | 荣耀终端有限公司 | Housing and electronic device |
| CN215601350U (en) * | 2021-12-03 | 2022-01-21 | 深圳荣耀智能机器有限公司 | Middle frame of electronic equipment and electronic equipment |
-
2022
- 2022-05-17 CN CN202210534153.9A patent/CN114885546A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062004A1 (en) * | 2010-11-09 | 2012-05-18 | 深圳庆和胶粘制品有限公司 | Molding method of metal-plastic production with window |
| CN103458633A (en) * | 2012-06-01 | 2013-12-18 | 昆山同寅兴业机电制造有限公司 | Combination structure of electronic product shell and plastic part |
| CN203814076U (en) * | 2014-03-12 | 2014-09-03 | 和成欣业股份有限公司 | Combined type 3C product housing |
| WO2016101875A1 (en) * | 2014-12-26 | 2016-06-30 | 比亚迪股份有限公司 | Metal case for communication device and method for making same |
| US20180054009A1 (en) * | 2016-08-19 | 2018-02-22 | Foxconn Interconnect Technology Limited | Card edge connector |
| CN206314111U (en) * | 2016-10-18 | 2017-07-07 | 东莞劲胜精密组件股份有限公司 | A kind of electronic product casing and electronic product |
| CN106659015A (en) * | 2016-11-17 | 2017-05-10 | 东莞劲胜精密组件股份有限公司 | Electronic product frame integrally-formed structural part and manufacturing method therefor |
| CN108215234A (en) * | 2016-12-22 | 2018-06-29 | 广州光宝移动电子部件有限公司 | Metallo-plastic engaging member and preparation method thereof |
| CN207733088U (en) * | 2017-10-25 | 2018-08-14 | 常州市威普电子科技有限公司 | Case frame |
| CN108093579A (en) * | 2017-11-16 | 2018-05-29 | 广东欧珀移动通信有限公司 | The processing method of terminal device and its shell and shell |
| CN207531215U (en) * | 2017-11-27 | 2018-06-22 | 维沃移动通信有限公司 | A kind of drawing plastic structure and mobile terminal |
| CN208190698U (en) * | 2018-03-20 | 2018-12-04 | 金雅豪精密金属科技（深圳）股份有限公司 | The connection structure of plate in mobile phone metal outer frame and mobile phone |
| CN110722736A (en) * | 2018-07-16 | 2020-01-24 | 富智康精密电子（廊坊）有限公司 | Shell, electronic device and manufacturing method of shell |
| CN108688055A (en) * | 2018-07-27 | 2018-10-23 | Oppo（重庆）智能科技有限公司 | Prepare method, center and the electronic equipment of center |
| CN109161950A (en) * | 2018-08-13 | 2019-01-08 | 惠州市华辉信达电子有限公司 | mobile phone metal shell manufacturing method |
| CN209748932U (en) * | 2018-11-27 | 2019-12-06 | 深圳富泰宏精密工业有限公司 | Shell and electronic device |
| CN111314507A (en) * | 2018-12-11 | 2020-06-19 | 深圳富泰宏精密工业有限公司 | Shell, electronic device applying shell and manufacturing method of electronic device |
| CN215499046U (en) * | 2020-10-30 | 2022-01-11 | 荣耀终端有限公司 | Housing and electronic device |
| CN215601350U (en) * | 2021-12-03 | 2022-01-21 | 深圳荣耀智能机器有限公司 | Middle frame of electronic equipment and electronic equipment |
Non-Patent Citations (1)
| Title |
|---|
| 谢学华;: "铝合金外观件纳米注塑工艺技术探索", 中国设备工程, no. 08 * |
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