CN117377239A - Die, manufacturing method of shell and electronic equipment - Google Patents

Die, manufacturing method of shell and electronic equipment Download PDF

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Publication number
CN117377239A
CN117377239A CN202210761433.3A CN202210761433A CN117377239A CN 117377239 A CN117377239 A CN 117377239A CN 202210761433 A CN202210761433 A CN 202210761433A CN 117377239 A CN117377239 A CN 117377239A
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CN
China
Prior art keywords
mold
annular cavity
cavity
component
transparent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210761433.3A
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Chinese (zh)
Inventor
仝帅
蒙志明
李文龙
李庆良
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Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202210761433.3A priority Critical patent/CN117377239A/en
Publication of CN117377239A publication Critical patent/CN117377239A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • H05K5/0243Mechanical details of casings for decorative purposes

Abstract

The disclosure relates to a shell, a die, a manufacturing method of the shell and electronic equipment. The embodiment of the disclosure provides a housing, including: a first member having a first transparent portion and a first light shielding portion; a second member having a second transparent portion and a second light shielding portion; wherein the first transparent part and the second transparent part are provided with preset lines; the first component is injection molded by a first mold; the second component is injection molded by a second mold; wherein the first component is located within the second mold when the second component is injection molded.

Description

Die, manufacturing method of shell and electronic equipment
Technical Field
The disclosure relates to the technical field of shells, in particular to a die, a manufacturing method of a shell and electronic equipment.
Background
With the development of electronic technology, the design of the housing of the electronic device is becoming more and more refined. Electronic devices include wearable devices such as hand rings, watches, foot rings, and the like.
At present, the mode of sticking the membrane on the shell is generally adopted, so that the shell and the membrane are stuck together, and different effects of the shell are realized, for example, the Fresnel pattern effect of the shell or the colorful effect are realized.
However, the membrane is easy to fall off in a membrane pasting mode, and the problems of insufficient binding force or inaccurate positioning exist between the shell and the membrane, so that the experience of a user is affected.
Disclosure of Invention
In view of the above, the present disclosure provides a housing, a mold, a manufacturing method of the housing, and an electronic device.
A first aspect of the disclosed embodiments provides a housing comprising:
a first member having a first transparent portion and a first light shielding portion;
a second member having a second transparent portion and a second light shielding portion;
wherein the first transparent part and the second transparent part are provided with preset lines;
the first component is injection molded by a first mold;
the second component is injection molded by a second mold.
Based on the above scheme, the preset texture includes: and annular Fresnel lines arranged concentrically with the first transparent part.
Based on the scheme, the first component and the second component are formed by double-shot injection molding.
A second aspect of an embodiment of the present disclosure provides a mold, comprising:
a first mold having a circular cavity and a first annular cavity; the first annular cavity is positioned at the outer side of the circular cavity, and injection molding openings are respectively formed in the first annular cavity and the circular cavity; wherein the first mold is used for injection molding to form a first component, wherein the first component comprises: a first transparent portion formed by the circular cavity and a first light shielding portion formed by the first annular cavity;
A second mold having a second annular cavity and a third annular cavity; the third annular cavity is positioned at the outer side of the second annular cavity, and the inner side of the second annular cavity is provided with an opening for placing a first component manufactured by the first die; the second annular cavity and the third annular cavity are respectively provided with injection molding openings; the second mold is used for forming a second assembly positioned outside the first assembly through injection molding, wherein the second assembly comprises: a second transparent portion formed by the second annular cavity and a second light shielding portion formed by the third annular cavity;
wherein the circular cavity and the second annular cavity have internal texture for forming a predetermined texture on at least one of the first transparent portion and the second transparent portion.
Based on the above scheme, the preset texture includes: and annular Fresnel lines arranged concentrically with the first transparent part.
Based on the above scheme, the first mould includes:
a first portion having a first securing structure;
a second portion having a second securing structure;
after the first part and the second part are combined to form the circular cavity and the first annular cavity, the circular cavity and the first annular cavity are detachably connected through the first fixing structure and the second fixing structure.
Based on the above scheme, the second mold includes:
a third portion having a third securing structure;
a fourth part having a fourth fixed structure;
after the third part and the fourth part are combined to form the second annular cavity and the third annular cavity, the second annular cavity and the third annular cavity are detachably connected through the third fixing structure and the fourth fixing structure.
Based on the scheme, the first annular cavity is provided with a glue pulling structure.
Based on the above scheme, the first fixing structure is a positioning pin and the second fixing structure is a positioning hole; or, the first fixing structure is a positioning hole and the second fixing structure is a positioning pin;
the locating pin is used for being in interference fit with the locating hole.
Based on the above scheme, the third fixing structure is a positioning pin and the fourth fixing structure is a positioning hole; or, the third fixing structure is a positioning hole and the fourth fixing structure is a positioning pin;
the locating pin is used for being in interference fit with the locating hole.
Based on the above scheme, the first mold further comprises:
the columnar groove is communicated with the first annular cavity and is used for forming a limit column on the first shading part through injection molding;
The second die is provided with a limiting hole matched with the limiting column;
the first component is arranged on the second die, and the limiting column is arranged in the limiting hole.
A third aspect of the embodiments of the present disclosure provides a method for manufacturing a housing, including:
injecting a first material into an injection port of a circular cavity in a first die of the die provided in any of the above schemes to form a first transparent portion;
injecting a second material into an injection port of a first annular cavity in a first die of the die to form a first shading part;
after the first transparent part and the first shading part are cured and molded, the first die is removed to obtain a first assembly;
placing the first component at an opening of a second mold of the mold;
injecting a third material into an injection port of a second annular cavity in a second mold of the mold to form a second transparent portion;
injecting a fourth material into an injection port of a third annular cavity in a second die of the die to form a second shading part;
and removing the second mold after the second transparent part and the second shading part are cured and molded.
Based on the above scheme, the first shading part is provided with a limit column.
Based on the above scheme, the first material and the third material are the same and are glass fiber materials.
Based on the above scheme, the fourth material is the same as the third material, and the second material is a plastic material or an alloy material.
Based on the above scheme, the method further comprises:
and removing the limiting column on the first shading part after the second mould is removed.
A fourth aspect of the present disclosure provides an electronic device, comprising:
any of the housings provided in the first aspect above;
or,
a housing made by any of the methods provided in the third aspect above.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
the shell provided by the embodiment of the disclosure is formed by splitting the shell into a first component and a second component, wherein the first component comprises a first transparent part and a first shading part, and the second component comprises a second transparent part and a second shading part. After the first component is manufactured by separate injection molding of the first transparent part and the first shading part, the first component is placed in a second mold, and the second transparent part and the second shading part are injection molded by the second mold. So, correspond the process split of two sets of moulds through two sets of subassemblies, realize the casing by interior outer first transparent part, first shading part, the transparent part of second and the integrated structure of second shading part, and design has the line of predetermineeing at first transparent part and second transparent part, can realize the integrated into one piece of lens and casing, and need not to mould plastics through the diving glue mouth, the pollution that the pollutant of casing in the mould dismantlement process that leads to because diving glue mouth has been reduced falls into, and owing to do not have diving glue mouth mould better dismantlement, the problem that the mould life that the mould is short that the bad dismantlement led to has been reduced, the mould cost is reduced, and then the cost of manufacture of casing has been reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic structural view of a housing shown according to an exemplary embodiment;
FIG. 2 is a schematic view of a portion of a mold shown according to an exemplary embodiment;
FIG. 3 is a schematic view of a portion of a structure of a mold shown according to an exemplary embodiment;
FIG. 4 is a schematic diagram of a first component architecture shown in accordance with an exemplary embodiment;
FIG. 5 is a schematic view of a portion of a structure of a housing shown according to an exemplary embodiment;
fig. 6 is a flow chart illustrating a method of manufacturing a housing according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.
It should be noted that, in the description of the embodiments of the present disclosure, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those skilled in the art as appropriate.
As shown in fig. 1, an embodiment of the present disclosure provides a housing 100 including:
a first assembly having a first transparent portion 110 and a first light shielding portion 120;
a second assembly having a second transparent portion 130 and a second light shielding portion 140;
wherein the first transparent portion 110 and the second transparent portion 130 have a predetermined texture thereon;
the first component is injection molded by a first mold;
the second component is injection molded by a second mold.
The shell provided by the disclosure can be applied to shells of various electronic devices.
It will be appreciated that splitting the housing into two components for injection molding, the two components comprising: a first component and a second component.
The first component comprises two parts, a first transparent part and a first shading part, wherein the first shading part is positioned on the outer side of the first transparent part, the first transparent part is circular, the first shading part is annular, and the first transparent part and the first shading part are concentrically arranged.
And the first transparent portion has a predetermined texture thereon, which is exemplified by concentric circles from small to large.
The second component also comprises two parts, a second transparent part and a second shading part, wherein the second transparent part is positioned outside the first shading part and is arranged concentrically with the first shading part. And an inner edge of the second transparent portion is in contact with an outer edge of the first component. The second light shielding part is positioned outside the second transparent part and is arranged concentrically with the second transparent part.
And the second transparent portion has a predetermined texture thereon, which is illustratively concentric circles from small to large.
It will be appreciated that the housing of the present disclosure is formed by an injection molding process and is injection molded by two sets of molds. The first assembly is formed by a first mold, and the second assembly and the first assembly are formed into a complete integrated housing within the second mold. The shell is split into the first component and the second component through rationality, the first component is split into the first transparent part and the first shading part, and the second component is split into the second transparent part and the second shading part, so that the situation that the glue feeding path is difficult in injection molding is avoided, and the fineness of each part of the shell is improved.
In some embodiments, the first component is located within the second mold while the second component is injection molded.
It will be appreciated that the first component is placed in the second mould and the second component and the first component are formed into a complete integrated housing in the second mould.
In some embodiments, the preset texture comprises: and annular Fresnel lines arranged concentrically with the first transparent part.
It is understood that when the predetermined texture is a circular fresnel texture, the first transparent portion and the second transparent portion are fresnel lenses. Fresnel lenses are typically sheets injection molded from polyolefin materials or fiberglass materials. The annular fresnel patterns have annular corrugations which can be used to reflect, refract or diffract light.
In some embodiments, the first component and the second component are each formed using two shot molding.
It will be appreciated that the first component is formed by two shot injection moulding, i.e. when the first mould is used, the first mould injection moulding is split into a single shot and a double shot. The first light shielding part is formed by the first light emitting part and the second light shielding part is formed by the second light emitting part.
The second component is also formed by two shot injection molding, i.e. when a second mold is used, the second mold injection molding is split into one shot and two shot. The first light-shielding part is formed by the first light-shielding part and the second light-shielding part.
Embodiments of the present disclosure provide a mold, comprising:
a first mold having a circular cavity and a first annular cavity; the first annular cavity is positioned at the outer side of the circular cavity, and injection molding openings are respectively formed in the first annular cavity and the circular cavity; wherein the first mold is used for injection molding to form a first component, wherein the first component comprises: a first transparent portion formed by the circular cavity and a first light shielding portion formed by the first annular cavity;
a second mold having a second annular cavity and a third annular cavity; the third annular cavity is positioned at the outer side of the second annular cavity, and the inner side of the second annular cavity is provided with an opening for placing a first component manufactured by the first die; the second annular cavity and the third annular cavity are respectively provided with injection molding openings; the second mold is used for forming a second assembly positioned outside the first assembly through injection molding, wherein the second assembly comprises: a second transparent portion formed by the second annular cavity and a second light shielding portion formed by the third annular cavity;
wherein the circular cavity and the second annular cavity have internal texture forming a predetermined texture on at least one of the first transparent portion and the second transparent portion.
The mold provided by the present disclosure can be used for manufacturing a housing of an electronic device. Wherein the electronic device comprises: watches, hand rings, and foot rings, etc.
It will be appreciated that the first mould has a circular cavity and a first annular cavity, the first annular cavity being located outside the circular cavity, the circular cavity and the first annular cavity being arranged concentrically, an inner edge of the first annular cavity being in contact with an outer edge of the circular cavity, and an outer edge of the first annular cavity being at a first distance from the outer edge of the circular cavity.
The circular cavity is provided with an injection molding opening, and the injection molding opening can be used for injecting injection molding materials into the circular cavity. The injection molding port on the circular cavity may be filled with a material for molding the first transparent portion of the first component, illustratively a lens. Illustratively, forming the material of the first transparent portion of the first component includes: polyolefin materials, or glass fiber materials, and the like. Illustratively, the lens is a fresnel lens.
The first annular cavity has an injection molding port operable to inject an injection molding material into the first annular cavity. The material for molding the first light shielding portion of the first assembly may be injected into the injection port of the first annular cavity, and the material for molding the first light shielding portion of the first assembly may include: plastic material, plastic material or alloy material. Illustratively, the plastic material comprises: polycarbonate PC, or ABS engineering plastic, etc. Illustratively, the alloy material includes: aluminum magnesium alloy, titanium alloy, carbon fiber or electrolyte plate, etc. Illustratively, the plastic material includes: polyethylene, polypropylene or polyvinylchloride, etc.
It will be appreciated that the material injected over the injection port of the circular cavity and the first annular cavity are different, the two different materials being bonded together by the first mould. The first mold may produce a first assembly comprising: a first transparent portion and a first light shielding portion.
It will be appreciated that the second mould has a second annular cavity and a third annular cavity, the third annular cavity being located outside the second annular cavity. The inner diameter of the third annular cavity is larger than or equal to the outer diameter of the second annular cavity, the third annular cavity is provided with an opening for placing the second annular cavity, the second annular cavity is provided with a protruding piece, and the protruding piece is used for buckling the second annular cavity on the inner side of the third annular cavity. Illustratively, the projections are trapezoidal in configuration.
Illustratively, the outer edge of the second annular cavity has five projections that snap-fit inside the third annular cavity. The five protruding parts are all of trapezoid structures.
Likewise, the centers of the third annular chamber and the second annular chamber may overlap.
The opening of the second mold may be an opening of various shapes, such as a circular ring opening, etc.
It will be appreciated that the second mould is for injection moulding a second component, the second component being located outside the first component. And when the second component is injection molded, the first component is placed at the opening of the second mold and is used for being integrally molded with the second component. The second assembly includes: a second transparent portion and a second light shielding portion.
The second annular cavity is provided with an injection molding opening, and the injection molding opening can be used for filling injection molding materials into the second annular cavity. The injection port on the second annular cavity may be filled with a material for molding the second transparent portion of the second component, illustratively the first transparent portion being a lens. Illustratively, forming the material of the second transparent portion of the second component includes: polyolefin materials, or glass fiber materials, and the like. Illustratively, the lens includes: a fresnel lens.
The third annular chamber has an injection port where injection molding material may be injected into the third annular chamber. The material for molding the second light shielding portion of the second assembly may be injected into the injection port of the third annular chamber, and the material for molding the second light shielding portion of the second assembly may include: plastic material, plastic material or alloy material. Illustratively, the plastic material comprises: polycarbonate PC, or ABS engineering plastic, etc. Illustratively, the alloy material includes: aluminum magnesium alloy, titanium alloy, carbon fiber or electrolyte plate, etc. Illustratively, the plastic material includes: polyethylene, polypropylene or polyvinylchloride, etc.
It will be appreciated that the second and third annular chambers are of different materials which are injection molded over the injection port, the two different materials being bonded together by the second mold. The second die can be used for manufacturing a second assembly, and the second assembly is an assembly formed by injection molding of the second annular cavity and the third annular cavity.
And the circular cavity of the first die and the second annular cavity of the second die are provided with inner grains, and preset grains can be formed on the first transparent part and the second transparent part through the inner grains, and the preset grains are concentric circles from small to large in an exemplary manner.
It will be appreciated that the disclosed embodiments provide a mold by splitting the mold into two sets of molds, a first mold and a second mold. In this way, in the first aspect, by separate injection molding of the circular cavity and the first annular cavity of the first mold, different materials are injected into the circular cavity and the first annular cavity, an integrated design is achieved in which lens material is contained in the circular cavity of the first mold and housing material is contained in the first annular cavity. In a second aspect, an integrated design is achieved in which the second annular cavity of the second mold contains lens material and the third annular cavity contains housing material by injection molding different materials in the second annular cavity and the third annular cavity of the second mold. In the third aspect, the shell containing the annular lens is realized by separating the two sets of dies from inside to outside and respectively performing injection molding on the circular cavity, the first annular cavity, the second annular cavity and the third annular cavity.
As shown in fig. 2, a first material is injected into the circular cavity of the first mold to form a first transparent portion 181.
As shown in fig. 3, the first annular cavity 190 in the first mold is an injection port of the first annular cavity of the first mold, and the second material is injected through the injection port to form the first light shielding portion 191. The first annular cavity has an opening 193 inside for placement of a circular injection cavity.
As shown in fig. 4, which is a schematic diagram of the first mold after molding, the method includes: a first transparent portion 110 after the molding of the circular cavity, a first light shielding portion 120 after the molding of the first annular cavity, and a stopper post 150.
As shown in fig. 5, the second annular cavity of the second mold is formed in a schematic view, an opening 132 is formed in the inner side of the second transparent portion 130, a first component manufactured by the first mold is placed at the opening 132, four trapezoid structures 131 are formed on the outer side of the second transparent portion 130, and the subsequent trapezoid structures 131 are used for clamping with the second light shielding portion at the opening of the second light shielding portion manufactured by the third annular cavity of the second mold.
In some embodiments, the preset texture comprises: and annular Fresnel lines arranged concentrically with the first transparent part.
It is understood that the internal lines of the circular cavity of the first mold and the second annular cavity of the second mold can form preset lines, and the preset lines are annular fresnel lines concentric with the first transparent portion. When the preset lines are annular Fresnel lines, the first transparent part and the second transparent part are Fresnel lenses. Fresnel lenses are typically sheets injection molded from polyolefin materials or fiberglass materials. The annular fresnel patterns have annular corrugations which can be used to reflect, refract or diffract light.
In some embodiments, the first mold comprises:
a first portion having a first securing structure;
a second portion having a second securing structure;
after the first part and the second part are combined to form the circular cavity and the first annular cavity, the circular cavity and the first annular cavity are detachably connected through the first fixing structure and the second fixing structure.
Illustratively, the first portion is a male mold of the first mold and the second portion is a female mold of the first mold. The first portion may form an inner surface of the circular cavity and the first annular cavity and the second portion may form an outer surface of the circular cavity and the first annular cavity.
Also illustratively, the first part is a female mold of the first mold and the second part is a male mold of the first mold. The first portion may form the outer surfaces of the circular cavity and the first annular cavity and the second portion may form the inner surfaces of the circular cavity and the first annular cavity.
The first portion and the second portion are detachably connected by a first securing structure and a second securing structure. When the injection molding port is used for injecting the material, the first part and the second part are detachably connected together through the first fixing structure and the second fixing structure, after injection molding and shaping, the first fixing structure and the second fixing structure are detached, and the first assembly molded in the first mold is taken out.
It will be appreciated that a first fixation structure in a first portion may comprise two first fixation structures, and then a second fixation structure in a corresponding second portion also comprises two second fixation structures.
In some embodiments, the second mold comprises:
a third portion having a third securing structure;
a fourth part having a fourth fixed structure;
after the third part and the fourth part are combined to form the second annular cavity and the third annular cavity, the second annular cavity and the third annular cavity are detachably connected through the third fixing structure and the fourth fixing structure.
Illustratively, the third portion is a male mold of the second mold and the fourth portion is a female mold of the second mold. The first portion may form the inner surfaces of the second and third annular chambers and the fourth portion may form the outer surfaces of the second and third annular chambers.
Also illustratively, the third part is a female mold of the second mold and the fourth part is a male mold of the second mold. The first portion may form the outer surfaces of the circular cavity and the first annular cavity and the second portion may form the inner surfaces of the circular cavity and the first annular cavity.
The third portion and the fourth portion are detachably connected by a third fixing structure and a fourth fixing structure. When the injection molding port is used for injecting the material, the third part and the fourth part are connected together through the third fixing structure and the fourth fixing structure, after injection molding and shaping, the third fixing structure and the fourth fixing structure are disassembled, and the finished product molded in the first mold is taken out.
It will be appreciated that the third securing structure in the third portion may comprise two third securing structures, and then the fourth securing structure in the corresponding second portion also comprises two fourth securing structures.
In some embodiments, as shown in fig. 3, the first annular cavity has a pull-out structure 192.
It is understood that there is a glue pulling structure on the outer peripheral side of the first annular cavity. Illustratively, the glue pulling structure comprises a threaded groove with the outward side of the first annular cavity recessed towards the center of the first annular cavity. Through the setting of drawing the gluey structure, can make first subassembly and second subassembly combine more fastening.
In some embodiments, the first fixation structure is a locating pin and the second fixation structure is a locating hole; the locating pin is used for being in interference fit with the locating hole.
Illustratively, the locating pin may be a circular locating pin.
The first part of the first die is provided with a first fixing structure which is a locating pin, the second part of the first die is provided with a second fixing structure which is a locating hole, and the locating pin and the locating hole are matched. The locating pin and the locating hole detachable are connected, when the injection molding is performed, the locating pin and the locating hole are connected together, so that the first part and the second part are fixed together, and the first die can be stably molded. And disassembling the locating pin and the locating hole after injection molding is completed, and taking out the molded first assembly.
Illustratively, the first securing structure may be two, including two locating pins, symmetrically disposed on the first portion. The corresponding second fixing components are also two, and comprise two positioning holes which are symmetrically distributed on the first part.
When the first part and the second part of the first die are buckled, the locating pin and the locating hole are tightly connected together through interference fit, and are not easy to separate in the injection molding process.
In other embodiments, the first securing structure is a locating hole and the second securing structure is a locating pin;
the locating pin is used for being in interference fit with the locating hole.
Illustratively, the locating pin may be a circular locating pin.
The first part of the first die is provided with a second fixing structure which is a locating hole, and the second part of the first die is provided with a first fixing structure which is a locating hole, and the locating pin and the locating hole are matched. The locating pin and the locating hole detachable are connected, when the injection molding is performed, the locating pin and the locating hole are connected together, so that the first part and the second part are fixed together, and the first die can be stably molded. And disassembling the locating pin and the locating hole after injection molding is completed, and taking out the molded first assembly.
Illustratively, the first fixing structure may be two, including two positioning holes, symmetrically distributed on the first portion. The corresponding second fixing components are also two, and comprise two positioning pins which are symmetrically distributed on the first part.
When the first part and the second part of the first die are buckled, the locating pin and the locating hole are tightly connected together through interference fit, and are not easy to separate in the injection molding process.
In some embodiments, the third fixation structure is a locating pin and the fourth fixation structure is a locating hole;
the locating pin is used for being in interference fit with the locating hole.
Illustratively, the locating pin may be a circular locating pin.
The third part of the second die is provided with a third fixing structure which is a locating pin, the fourth part of the second die is provided with a fourth fixing structure which is a locating hole, and the locating pin and the locating hole are matched. The locating pin and the locating hole are detachably connected, and when injection molding is performed, the locating pin and the locating hole are connected together, so that the third part and the fourth part are fixed together, and the second die can be stably molded. And (5) disassembling the locating pin and the locating hole after injection molding is completed, and taking out the molded shell.
Illustratively, the third securing structure may be two, including two locating pins, symmetrically disposed on the third portion. The corresponding fourth fixing components are also two, comprise two positioning holes and are symmetrically distributed on the fourth part.
When the third part and the fourth part of the second die are buckled, the locating pin and the locating hole are tightly connected together through interference fit, and are not easy to separate in the injection molding process.
In some embodiments, the third fixation structure is a locating hole and the fourth fixation structure is a locating pin;
the locating pin is used for being in interference fit with the locating hole.
Illustratively, the locating pin may be a circular locating pin.
The third part of the second die is provided with a third fixing structure which is a locating hole, the fourth part of the second die is provided with a fourth fixing structure which is a locating pin, and the locating pin and the locating hole are matched. The locating pin and the locating hole are detachably connected, and when injection molding is performed, the locating pin and the locating hole are connected together, so that the third part and the fourth part are fixed together, and the second die can be stably molded. And (5) disassembling the locating pin and the locating hole after injection molding is completed, and taking out the molded shell.
Illustratively, the third fixing structure may be two, including two positioning holes, symmetrically distributed on the third portion. The corresponding fourth fixing components are also two, comprise two positioning pins and are symmetrically distributed on the fourth part.
When the third part and the fourth part of the second die are buckled, the locating pin and the locating hole are tightly connected together through interference fit, and are not easy to separate in the injection molding process.
In some embodiments, the first mold further comprises:
the columnar groove is communicated with the first annular cavity and is used for forming a limit column on the first shading part through injection molding;
the second die is provided with a limiting hole matched with the limiting column;
the first component is arranged on the second die, and the limiting column is arranged in the limiting hole.
It will be appreciated that the first mould has a cylindrical recess communicating with the first annular cavity of the first mould, and that after injection moulding of the material the first light shield assembly after moulding has a spacing post. For example, the columnar grooves can comprise two, so that two limit posts are also formed and symmetrically distributed on the first shading component.
Because the first annular cavity belongs to the forming part of the first component, when the second mould is used for injection molding, and the first component is placed in the second mould, the second mould is provided with a limiting hole matched with the limiting column, and the limiting column can be placed in the limiting hole.
Through the setting of spacing post and spacing hole for the position of first subassembly and second subassembly is fixed, first subassembly of shaping that can be finer and second subassembly.
As shown in fig. 6, an embodiment of the present disclosure provides a method for manufacturing a housing, including:
S310: injecting a first material into an injection port of a circular cavity in a first die of any provided die to form a first transparent part;
s320: injecting a second material into an injection port of a first annular cavity in a first die of the die to form a first shading part;
s330: after the first transparent part and the first shading part are cured and molded, the first die is removed to obtain a first assembly;
s340: placing the first component at an opening of a second mold of the mold;
s350: injecting a third material into an injection port of a second annular cavity in a second mold of the mold to form a second transparent portion;
s360: injecting a fourth material into an injection port of a third annular cavity in a second die of the die to form a second shading part;
s370: and removing the second mold after the second transparent part and the second shading part are cured and molded.
It will be appreciated that the housing structure may be produced by any of the above-described dies. Two sets of molds, a first mold and a second mold, are required to make a complete housing. The manufactured shell comprises a first transparent part, a first shading part, a second transparent part and a second shading part from inside to outside.
In S310, a circular cavity at the center of the housing is first fabricated using a first mold, and a first material is injected into the circular cavity to form a circular first transparent portion. Illustratively, the first material is injected with fluidity, for example, in a molten state.
In S320, a first light shielding portion outside the first transparent portion is fabricated using a first mold, the first light shielding portion surrounding the first transparent portion. The annular first light shielding portion is formed by injecting a second material into the first annular cavity. The inner edge of the first light shielding portion is in contact with the outer edge of the first transparent portion, and the outer edge of the first light shielding portion has a first distance from the outer edge of the first transparent portion. Illustratively, the second material is injected with fluidity, for example, in a molten state.
In S330, after the first transparent portion and the first light shielding portion manufactured in the first mold are cured and molded, the first mold is removed to obtain a first component, which is a composite of the first transparent portion and the first light shielding portion.
In S340, the second mold has an opening for placing the first component made by the first mold. The first assembly and the second transparent portion and the second light shielding portion are formed by placing the first assembly in a second mold such that the first assembly and the second mold are combined.
In S350, a second transparent portion outside the first assembly is made using a second annular cavity in a second mold, and a third material is injected into an injection port of the second annular cavity to form an annular second transparent portion. The second transparent portion is disposed concentric with the first member, an inner edge of the second transparent portion is in contact with an outer edge of the first member, and an outer edge of the second transparent portion is a second distance from the outer edge of the first member.
In S360, the second light shielding portion outside the second transparent portion is fabricated using the third annular cavity in the second mold, and the fourth material is injected into the injection port of the third annular cavity to form the second light shielding portion. The second light shielding portion is disposed concentrically with the second transparent portion, and an inner edge of the second light shielding portion contacts an outer edge of the second transparent portion.
In S370, after the second transparent portion and the second light shielding portion formed by the second mold are cured and formed, the second mold is removed, and a complete housing having the first transparent portion, the first light shielding portion, the second transparent portion, and the second light shielding portion is obtained. When the shell comprises the limiting column, the limiting column needs to be removed.
It is understood that the first transparent portion and the second transparent portion are lenses. Illustratively, the lens is made of materials, namely a first material and a third material, comprising: polyolefin materials, or glass fiber materials, and the like. Illustratively, the lens includes: a fresnel lens.
The first light shielding portion and the second light shielding portion are housings. Illustratively, the material of the housing comprises: plastic material, plastic material or alloy material. Illustratively, the plastic material comprises: polycarbonate PC, or ABS engineering plastic, etc. Illustratively, the alloy material includes: aluminum magnesium alloy, titanium alloy, carbon fiber or electrolyte plate, etc. Illustratively, the plastic material includes: polyethylene, polypropylene or polyvinylchloride, etc.
It will be appreciated that the first transparent portion and the second transparent portion may be made of the same material, both of which are materials from which the lens is made. The first light shielding portion and the second light shielding portion may be made of the same material, and both are made of the material of the housing.
It is understood that the outer edge of the first component after the first transparent part and the first shading part are cured and molded is provided with a protruding piece which is buckled on the inner edge of the second transparent part. The plurality of projections may be distributed on the outer edge of the first component. The projections may be, for example, trapezoidal in configuration.
Illustratively, the outer edge of the second annular cavity has five projections that snap-fit inside the third annular cavity. The five protruding parts are all of trapezoid structures.
It can be appreciated that the method for manufacturing the shell provided by the embodiments of the present disclosure is to split the mold into two sets of molds, a first mold and a second mold. In this way, in the first aspect, by separate injection molding of the circular cavity and the first annular cavity of the first mold, different materials are injected into the circular cavity and the first annular cavity, an integrated design is achieved in which lens material is contained in the circular cavity of the first mold and housing material is contained in the first annular cavity. In a second aspect, an integrated design is achieved in which the second annular cavity of the second mold contains lens material and the third annular cavity contains housing material by injection molding different materials in the second annular cavity and the third annular cavity of the second mold. In a third aspect, a housing containing a ring lens is achieved by process split of two sets of molds.
In some embodiments, the first light shielding portion has a spacing post.
Because the first mould is provided with the columnar groove which is communicated with the first annular cavity, the first shading part formed after injection molding is provided with the limiting column, and the limiting column is used for positioning the first shading part, so that the position of the first shading part is fixed.
In some embodiments, the first material and the third material are the same and are fiberglass materials.
It will be appreciated that the first material is injected in the circular cavity of the first mould and the third material is injected in the second annular cavity of the second mould, the first and third materials being the same and being glass fibre materials. The first transparent portion and the second transparent portion may be lenses made of a glass fiber material in a circular cavity of a first mold and a second transparent portion made of a second annular cavity of a second mold.
In some embodiments, the fourth material and the third material are the same, and the second material is a plastic material or an alloy material.
It will be appreciated that the second material is injected into the first annular cavity of the first mould and the fourth material is injected into the fourth annular cavity of the second mould, the second material and the fourth material being the same and both being a plastics material or an alloy material. The first light shielding portion and the second light shielding portion may be housings by a first light shielding portion made of a plastic material or an alloy material in a first annular cavity of the first mold, and a second light shielding portion made of a third annular cavity of the second mold.
In some embodiments, the method further comprises:
and removing the limiting column on the first shading part after the second mould is removed.
It will be appreciated that after the second mould is removed, the first light-shielding portion has a stop post thereon, and that the stop post is not required in actual use of the housing, and therefore the stop post on the first light-shielding portion is required to be cut away.
An embodiment of the present disclosure provides an electronic device, including:
any of the housings provided above;
or,
the shell manufactured by any one of the methods provided above.
As can be appreciated, the electronic device includes: smart home devices, wearable devices, mobile terminals, tablet computers or desktop computers. The shell is a front shell or a rear shell of the electronic equipment.
In some embodiments, the electronic device is: a wearable device.
As can be appreciated, the wearable device includes: bracelet, watch, foot ring. The front shell or the rear shell of the wearable device can be manufactured by the manufacturing method of the shell.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (17)

1. A housing, comprising:
a first member having a first transparent portion and a first light shielding portion;
a second member having a second transparent portion and a second light shielding portion;
wherein at least one of the first transparent portion and the second transparent portion has a predetermined texture;
the first component is injection molded by a first mold;
the second component is injection molded by a second mold.
2. The housing of claim 1, wherein the predetermined texture comprises: and annular Fresnel lines arranged concentrically with the first transparent part.
3. The housing of claim 1 or 2, wherein the first component and the second component are each formed using two shot injection molding.
4. A mold, comprising:
a first mold having a circular cavity and a first annular cavity; the first annular cavity is positioned at the outer side of the circular cavity, and injection molding openings are respectively formed in the first annular cavity and the circular cavity; wherein the first mold is used for injection molding to form a first component, wherein the first component comprises: a first transparent portion formed by the circular cavity and a first light shielding portion formed by the first annular cavity;
A second mold having a second annular cavity and a third annular cavity; the third annular cavity is positioned at the outer side of the second annular cavity, and the inner side of the second annular cavity is provided with an opening for placing a first component manufactured by the first die; the second annular cavity and the third annular cavity are respectively provided with injection molding openings; the second mold is used for forming a second assembly positioned outside the first assembly through injection molding, wherein the second assembly comprises: a second transparent portion formed by the second annular cavity and a second light shielding portion formed by the third annular cavity;
wherein the circular cavity and the second annular cavity have internal texture for forming a preset texture of at least one of the first transparent portion and the second transparent portion.
5. The mold of claim 4, wherein the predetermined texture comprises: and annular Fresnel lines arranged concentrically with the first transparent part.
6. The mold of claim 4, wherein the first mold comprises:
a first portion having a first securing structure;
a second portion having a second securing structure;
after the first part and the second part are combined to form the circular cavity and the first annular cavity, the circular cavity and the first annular cavity are detachably connected through the first fixing structure and the second fixing structure.
7. The mold of claim 4, wherein the second mold comprises:
a third portion having a third securing structure;
a fourth part having a fourth fixed structure;
after the third part and the fourth part are combined to form the second annular cavity and the third annular cavity, the second annular cavity and the third annular cavity are detachably connected through the third fixing structure and the fourth fixing structure.
8. The mold of claim 6, wherein the first annular cavity has a glue pulling structure.
9. The mold of claim 6, wherein the first securing structure is a locating pin and the second securing structure is a locating hole; or, the first fixing structure is a positioning hole and the second fixing structure is a positioning pin;
the locating pin is used for being in interference fit with the locating hole.
10. The mold of claim 7, wherein the third securing structure is a locating pin and the fourth securing structure is a locating hole; or, the third fixing structure is a positioning hole and the fourth fixing structure is a positioning pin;
the locating pin is used for being in interference fit with the locating hole.
11. The mold of claim 4, wherein the first mold further comprises:
the columnar groove is communicated with the first annular cavity and is used for forming a limit column on the first shading part through injection molding;
the second die is provided with a limiting hole matched with the limiting column;
the first component is arranged on the second die, and the limiting column is arranged in the limiting hole.
12. A method of manufacturing a housing, comprising:
injecting a first material over an injection port of a circular cavity in a first mold of a mold provided in any one of claims 4 to 11 to form a first transparent portion;
injecting a second material into an injection port of a first annular cavity in a first die of the die to form a first shading part;
after the first transparent part and the first shading part are cured and molded, the first die is removed to obtain a first assembly;
placing the first component at an opening of a second mold of the mold;
injecting a third material into an injection port of a second annular cavity in a second mold of the mold to form a second transparent portion;
injecting a fourth material into an injection port of a third annular cavity in a second die of the die to form a second shading part;
And removing the second mold after the second transparent part and the second shading part are cured and molded.
13. The method of claim 12, wherein the first light shielding portion has a spacing post.
14. The method of claim 12, wherein the first material and the third material are the same and are fiberglass materials.
15. The method of claim 12, wherein the fourth material and the third material are the same, and the second material is a plastic material or an alloy material.
16. The method of claim 13, wherein the method further comprises:
and removing the limiting column on the first shading part after the second mould is removed.
17. An electronic device, comprising:
a housing as claimed in any one of claims 1 to 3;
or,
a housing made by the method of any one of claims 12 to 16.
CN202210761433.3A 2022-06-29 2022-06-29 Die, manufacturing method of shell and electronic equipment Pending CN117377239A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210761433.3A CN117377239A (en) 2022-06-29 2022-06-29 Die, manufacturing method of shell and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210761433.3A CN117377239A (en) 2022-06-29 2022-06-29 Die, manufacturing method of shell and electronic equipment

Publications (1)

Publication Number Publication Date
CN117377239A true CN117377239A (en) 2024-01-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210761433.3A Pending CN117377239A (en) 2022-06-29 2022-06-29 Die, manufacturing method of shell and electronic equipment

Country Status (1)

Country Link
CN (1) CN117377239A (en)

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