CN106550068A - A kind of terminal bonnet and terminal bonnet preparation method - Google Patents
A kind of terminal bonnet and terminal bonnet preparation method Download PDFInfo
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- CN106550068A CN106550068A CN201610942909.8A CN201610942909A CN106550068A CN 106550068 A CN106550068 A CN 106550068A CN 201610942909 A CN201610942909 A CN 201610942909A CN 106550068 A CN106550068 A CN 106550068A
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- China
- Prior art keywords
- bonnet
- button bit
- bit support
- bonnet body
- terminal
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
- H04M1/0252—Details of the mechanical connection between the housing parts or relating to the method of assembly by means of a snap-on mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0279—Improving the user comfort or ergonomics
- H04M1/0283—Improving the user comfort or ergonomics for providing a decorative aspect, e.g. customization of casings, exchangeable faceplate
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of terminal bonnet and terminal bonnet preparation method.Terminal bonnet includes bonnet body and button bit support, wherein, button bit support is included for connecting the connection button bit of end fitting.Bonnet body is made of metal by punch forming, and button bit support is made up by injection mo(u)lding of plastic cement.Bonnet body is fixedly connected by hot melt glue with button bit support, and it is the space network through activation process to connect end surfaces, so that bonnet body can be realized reliably being fixedly connected by hot melt glue with button bit support.Simultaneously as bonnet body and button bit support can prepare shaping respectively by bi-material, therefore can have the advantage of two kinds of different materials of metal and plastic cement concurrently, and have process is simple, production high and the features such as Stability Analysis of Structures.
Description
Technical field
The present embodiments relate to mechanical engineering technical field, more particularly to a kind of preparation method of terminal structure part.
Background technology
In mechanical engineering technical field, structural member is represented with definite shape structure and can bear the structure of load effect
Part.Such as bonnet in terminal is exactly a kind of typical structural member, and the bonnet of terminal is fixed to terminal device by button bit.
The classical production process of structural member typically carries out multiple CNC (Computer Numerical to metallic plate
Control, computer digital control machine tool) processing, to obtain the feature structure and corresponding structural member product of desired structure part.
Although CNC processing has the advantages that high precision, good stability, but is processed by multiple CNC and for aluminium sheet to be processed into structural member product
The time spent in product and relatively costly, process is relatively complicated；Although in addition, aluminium alloy sheet is imitated with good outward appearance
Really, the use of surface structure part is widely used as, but as intensity is weaker, is easy to change occur with button bit made by aluminium alloy sheet
Shape or fracture.
The content of the invention
The embodiment of the present invention provides a kind of terminal bonnet and terminal bonnet preparation method, is added with solving existing manufacture method
Work process is relatively complicated, high cost, the weaker problem of the terminal bonnet bulk strength of manufacture.
In a first aspect, embodiments providing a kind of terminal bonnet, the bonnet includes：Bonnet body and button bit
Frame；
Button bit support includes junction button, wherein, junction button is used for the middle frame structure part for connecting terminal；
Bonnet body passes through punch forming, wherein, bonnet body is made of metal；
Button bit support passes through injection mo(u)lding, wherein, button bit support is made up of plastic cement；
Bonnet body is fixedly connected by hot melt glue with button bit support；Junction button riveting by way of and middle frame structure
Part is fixedly connected；
Bonnet body is the space network through activation process with the end surfaces that connect of button bit support.
Second aspect, the embodiment of the present invention additionally provide a kind of electronic equipment, using terminal bonnet as above.
The third aspect, the embodiment of the present invention provide a kind of terminal bonnet preparation method again, including：
By bonnet body punch forming, wherein, bonnet body is made of metal；
By button bit support injection mo(u)lding, wherein, button bit support is made up of plastic cement；
By carrying out laser laser carving to bonnet body and/or button bit support, by bonnet body and/or the company for the treatment of of button bit support
Connect end surfaces and be engraved as spatial lattice structure；
Space network to being formed through laser laser carving carries out plasma activation process；
Bonnet body and button bit support are fixedly connected into into terminal bonnet by hot melt glue.
To sum up, the embodiment of the present invention is after by the punch forming of bonnet body and by button bit support injection mo(u)lding, then leads to
Crossing carries out laser laser carving to bonnet body and/or button bit support, by bonnet body and/or the end surfaces carving to be connected of button bit support
Spatial lattice structure is carved into, and the space network to being formed through laser laser carving carries out plasma activation and processes to increase
Plus surface energy, in order to bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue.Due to bonnet sheet
Body adopts punch forming, thus there is process is simple, the characteristics of production is high.Simultaneously as button bit support adopts injection mo(u)lding,
Therefore complex shape can be made.And as the material of two kinds of unlike materials, different qualities can be adopted to pass through point
Glue realizes combination, therefore can have the advantage of different materials concurrently.To solve in prior art, after terminal, cover manufacturing method is processed
Journey is relatively complicated, high cost, and the weaker problem of terminal bonnet bulk strength for manufacturing.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only some enforcements of the present invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can be with according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of terminal bonnet of the embodiment of the present invention；
Fig. 2 is the structural representation of another kind of terminal bonnet of the embodiment of the present invention；
Fig. 3 is a kind of flow chart of terminal bonnet preparation method of the embodiment of the present invention；
Fig. 4 is the flow chart of another kind of terminal bonnet preparation method of the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to the scope of protection of the invention.
Embodiment one
The terminal bonnet provided by the present embodiment can apply to electronic equipment, and the electronic equipment is including but not limited to moved
The equipment such as terminal, computer, TV.
With reference to Fig. 1, a kind of structural representation of terminal bonnet in the embodiment of the present invention is shown.
The terminal bonnet includes：Bonnet body 101 and button bit support 102.
Wherein, button bit support 102 includes junction button 1021, and the junction button 1021 is for being connected to terminal by terminal bonnet
Middle frame structure part 103.Specifically, junction button 1021 is fixedly connected with middle frame structure part 103 by way of riveting, realizes terminal
The assembling of bonnet and terminal body.For example, if terminal is mobile phone, battery cover of the terminal bonnet for mobile phone, battery cover is by connecting
The middle frame structure part 103 that button 1021 is fixedly connected on the mobile phone is connect, and then with compared with strong structure reliability.
As bonnet body 101 and button bit support 102 are to separate independently prepared shaping, therefore can for bonnet body 101
With by punch forming, button bit support 102 can be by injection mo(u)lding, and bonnet body 101 and button bit support 102 can be by
Different materials are made, i.e., bonnet body 101 can be made of metal, and button bit support 102 can be made up of plastic cement.Such that it is able to root
According to the different qualities demand of different parts, the material being more suitable for is selected to make corresponding component.
For example, the metal-like of aluminium alloy is stronger, with preferable appearance, and by anode process, can have
There are preferable non-oxidizability, and the multiple color for contaminating to need by electrolytic coloring, therefore be more adapted to make for outside embodying
See the bonnet body 101 of effect.For another example, plastic cement has stronger plasticity, can make complex shape, if with plastic cement
Button bit support 102 is made, the junction button 1021 of button bit support 102 is especially made with plastic cement, can be difficult to effectively solving metal
It is bent into the technological difficulties of more complicated interior button.And as plastic cement has stronger toughness, junction button 1021 can be prevented effectively from
There is bending even crack in use.
After bonnet body 101 and button bit support 102 prepare shaping respectively, then by hot melt glue by 101 He of bonnet body
Button bit support 102 is connected to one structure.Wherein, hot melt glue is not required to solvent for one kind, moisture free solid is fusible
Property polymer, be solid at normal temperatures, heating is molten to uniform temperature and is changed into flowing, and has the liquid of certain viscosity, its nothing
Poison is tasteless, belongs to environmental-protecting chemical product.
Specifically, in order to realize being fixedly connected between bonnet body 101 and button bit support 102, need to bonnet body
101 are carved with the connection end surfaces of button bit support 102, so that bonnet body 101 and/or button bit support 102 are in connection end
Surface spatially network structure, and the company of bonnet body 101 and button bit support 102 is improved by plasma activation PROCESS FOR TREATMENT
Connect the surface energy of end surfaces.So as to increase cohesive force for dispensing glue between different materials.And then make bonnet body 101 and button bit support
102 can achieve a fixed connection.
To sum up, terminal bonnet described in the embodiment of the present invention includes bonnet body 101 and button bit support 102, the bonnet body
101 and button bit support 102 can prepare shaping respectively by different materials, wherein bonnet body 101 can using metal stamping into
Type, button bit support 102 can be molded using plastic-injection.Further, since to be connected to bonnet body 101 and button bit support 102
Surface carries out engraving and forms space network, and through plasma activation PROCESS FOR TREATMENT, makes bonnet body 101 and button bit support
102 can be achieved a fixed connection by hot melt glue as bi-material, therefore the terminal bonnet can have different materials concurrently
Advantage.And as the terminal bonnet makes technique using what punching press was combined with injection, therefore there is process is simple, production
High the features such as.
Embodiment two
With reference to Fig. 2, the structural representation of another kind of terminal bonnet in the embodiment of the present invention is shown, the present embodiment is provided
Terminal bonnet be preferred embodiment on the basis of embodiment one.
The terminal bonnet is specifically included：Bonnet body 101 and button bit support 102.In the present embodiment, bonnet body 101 is wrapped
Include excessive glue groove 1011.
Wherein, excessive glue groove 1011 is by etching the groove for being formed, positioned at bonnet body 101 and the company of button bit support 102
End surfaces are connect, the depth of the excessive glue groove 1011 depends on the thickness of bonnet body 101.When to bonnet body 101 and button bit support
102 when carrying out dispensing, and the excessive glue groove 1011 can be used for limiting the region that hot melt glue is covered, in liquid when preventing dispensing
Hot melt glue overflows, it is to avoid non-attached area covers PUR water and produces unnecessary adhesion.Optionally, in button bit support 102
Correspondence position can also arrange excessive glue groove, to strengthen the effect for limiting hot melt glue overlay area.
In order that bonnet body 101 has preferable appearance, it is possible to use the metal with higher gloss degree.Example
Such as, aluminium alloy has preferable appearance, and aluminium alloy by anode process, can have preferable non-oxidizability, and
The multiple color that can contaminate to need by electrolytic coloring, therefore can be from aluminium alloy as the gold for making bonnet body 101
Category.
Button bit support 102 includes at least two junction buttons 1021, and the junction button 1021 is for being connected to end by terminal bonnet
The middle frame structure part 103 at end.Specifically, multiple junction buttons 1021 pass through each self-corresponding 103 preformed hole of middle frame structure part, pass through
The junction button 1021 exposed from preformed hole is heated into pressing, being fixedly connected for junction button 1021 and middle frame structure part 103 is realized, is entered
And realize the assembling of terminal bonnet and terminal body.Due to being fixedly connected by the way of riveting, therefore adopt the terminal
The electronic equipment of bonnet has stronger structural reliability.The button bit support 102 can be made up of plastic cement, due to plastic cement with compared with
Strong plasticity and toughness, therefore more complicated structure can be made, also allow for being riveted by the way of hot melt is flattened.
Simultaneously can also be prevented effectively from junction button 1021 make or use during there is bending even crack.
After bonnet body 101 and button bit support 102 prepare shaping respectively, hot melt glue can be passed through by bonnet body 101
It is connected to one structure with button bit support 102.Wherein, hot melt glue is not required to solvent for one kind, moisture free solid can
Melt polymeric, is solid at normal temperatures, and heating is molten to uniform temperature and is changed into flowing, and has the liquid of certain viscosity, its
It is nonpoisonous and tasteless, belong to environmental-protecting chemical product.
Specifically, in order to realize being fixedly connected between bonnet body 101 and button bit support 102, need to bonnet body
101 carry out laser laser carving with the connection end surfaces of button bit support 102, so that bonnet body 101 and/or button bit support 102 are even
Connect the surface at end spatially network structure, the space network can increase specific surface area, so as to increase hot melt glue with it is rear
The contact area of lid body 101 and button bit support 102.And bonnet body 101 is improved with button bit by plasma activation process
The surface energy of the connection end surfaces of frame 102.So as to increase cohesive force for dispensing glue between different materials.And then make bonnet body 101 with
Button bit support 102 can achieve a fixed connection.
To sum up, terminal bonnet described in the embodiment of the present invention includes bonnet body 101 and button bit support 102, wherein, bonnet sheet
Body 101 includes excessive glue groove 1011, and button bit support 102 includes junction button 1021.The bonnet body 101 and button bit support 102 be not by
Shaping is prepared respectively with material, and wherein bonnet body 101 can adopt metal stamping formed, and button bit support 102 can be using modeling
Glue injection mo(u)lding.Further, since carrying out engraving and forming solid netted to bonnet body 101 and 102 surface to be connected of button bit support
Structure, and through plasma activation process, allow bonnet body 101 and button bit support 102 as bi-material by hot melt
Glue achieves a fixed connection.Therefore the terminal bonnet can have the advantage of different materials concurrently, and as the terminal bonnet is adopted
Punching press makes technique with injection combines, thus there is process is simple, the features such as production is high.Simultaneously as in connection end
Surface arranges excessive glue groove 1011, such that it is able to effectively prevent hot melt glue during dispensing in liquid from overflowing.
Embodiment three
The embodiment of the present invention provides a kind of electronic equipment using the terminal bonnet described in above-described embodiment.
The terminal bonnet includes：Bonnet body and button bit support.
Wherein, button bit support includes junction button, and the junction button is for terminal bonnet to be connected to the middle frame structure part of terminal.
Specifically, junction button is fixedly connected with middle frame structure part by way of riveting, realizes the assembling of terminal bonnet and terminal body.
Bonnet body and button bit support are to separate independently prepared shaping, therefore bonnet body and button bit support can be adopted
The independently prepared shaping of simple process, and can be made from a different material.
After bonnet body and button bit support prepare shaping respectively, the connection end surfaces of bonnet body and button bit support are also passed through
Laser carving and plasma activation PROCESS FOR TREATMENT, then bonnet body and button bit support are connected to one knot by hot melt glue
Structure.
It can be seen that, the electronic equipment in the embodiment of the present invention is by using the terminal bonnet, it is possible to use different materials are distinguished
Bonnet body and button bit support are made, and forms three-dimensional as engraving is carried out to bonnet body and button bit support surface to be connected
Network structure, and through plasma activation PROCESS FOR TREATMENT, therefore bonnet body and button bit support is led to as bi-material
Cross hot melt glue to achieve a fixed connection.So that to the terminal bonnet make with process is simple, production it is high and into
The features such as this is cheap.Simultaneously because can realize combining by dispensing using two kinds of different materials, therefore different materials can be had concurrently
The advantage of material.Further, since the terminal bonnet is fixedly connected in the way of riveting with middle frame structure part, therefore the electronic equipment is also
With structural reliability it is strong the characteristics of.
Example IV
With reference to Fig. 3, a kind of flow chart of terminal bonnet preparation method in the embodiment of the present invention is shown.
Step 301, by bonnet body punch forming.
Specifically, terminal bonnet includes bonnet body and button bit support, and wherein bonnet body plays the work covered to terminal
With.As button bit support is independently prepared in addition, therefore the bonnet body construction is relatively simple, just can be by after by punch table
Lid body punch forming, can not require the use of CNC (Computer Numerical Control, computer digital control machine tool)
It is processed, just can prepares the bonnet body.
Wherein, punch table passes through motor-driven flywheel, and by clutch, travelling gear drives toggle
Make slide block move up and down, drive drawing die to apply external force to sheet material, band, tubing and section bar etc., be allowed to produce plastic deformation,
So as to obtain the workpiece of required form and size.Punching press as a kind of efficient production method, with technique compared with CNC is processed
Simply, the features such as production is high and with low cost.
Step 302, by button bit support injection mo(u)lding.
Wherein, button bit support for being connected to the middle frame structure of terminal after constituting one with bonnet body by junction button
Part.Injection machine can regulation time in by a number of plastic cement heating plasticizing after, under certain pressure and speed, lead to
Cross the modes such as screw rod molten plastic to be injected in plastic mould die cavity.After injection terminates, to the melt being expelled in plastic mould
Keep sizing.So as to make button bit support with complex shape.
As bonnet body and button bit support, as independent structural member, are processed into respectively in embodiments of the present invention,
Therefore bonnet body and button bit support can be made using different materials.It is, for example possible to use aluminium alloy is used as making bonnet
The material of body, using plastic cement as the material for making button bit support.
Step 303, carries out laser laser carving to bonnet body and/or button bit support, forms space network.
In order to increase the adhesion strength of bonnet body and button bit support, need to carry out bonnet body and/or button bit support
The end surfaces to be connected of bonnet body and/or button bit support are engraved as spatial lattice structure by laser laser carving.The solid netted knot
Structure can increase specific surface area, so as to increase hot melt glue with bonnet body and the contact area of button bit support.And then promote by
Bonnet body made by different materials and button bit support can be pasted together, and composition is firmly fixed attachment structure.
Wherein, it is a kind of technique being surface-treated with optical principle that laser laser carving is laser machined, using laser instrument
The high-strength focused laser beam of transmitting makes material oxidation thus which is processed in focal point.And by setting running orbit,
Material surface is engraved as into given shape.
Step 304, the space network to being formed through laser laser carving carry out plasma activation process.
In order to increase the adhesion strength of bonnet body and button bit support, in addition it is also necessary to bonnet body and/or button bit support Jing
The space network for crossing the formation of laser laser carving carries out plasma activation process, to increase surface energy, so as to promote by different materials
Bonnet body made by material and button bit support can be pasted together, and composition is firmly fixed attachment structure.
Wherein, plasma activation is processed and refers to that first passing through radio-frequency power supply build-up of luminance light reaction under certain pressure condition produces
The unordered plasma of high-energy, then by plasma bombardment material surface, so as to realize the cleaning to material surface with
And it is modified, and then the surface energy of lifting material surface, make material that there is more preferable caking property.
Bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue by step 305.
Specifically, in order to bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue, need elder generation
Bonnet body and button bit support are positioned by tool.Again using gluing process to bonnet body and button bit support after positioning
Carry out dispensing.Finally will be pressed by tool through bonnet body for dispensing glue and button bit support, and pressurize will be pre- under set pressure
Duration is put, to be prepared into complete terminal bonnet.
Wherein, hot melt glue is not required to solvent, moisture free solid fusible polymer for one kind, is solid at normal temperatures
Body, heating are molten to uniform temperature and obtain mobility and have the liquid of certain viscosity, and which is nonpoisonous and tasteless, and category environmental-protecting chemical is produced
Product.
To sum up, the embodiment of the present invention is after by the punch forming of bonnet body and by button bit support injection mo(u)lding, then leads to
Crossing carries out laser laser carving to bonnet body and/or button bit support, by bonnet body and/or the end surfaces carving to be connected of button bit support
Spatial lattice structure is carved into, and the space network to being formed through laser laser carving carries out plasma activation and processes to increase
Plus surface energy, in order to bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue.Due to bonnet sheet
Body adopts punch forming, thus there is process is simple, the characteristics of production is high.Simultaneously as button bit support adopts injection mo(u)lding,
Therefore complex shape can be made.And as the material of two kinds of unlike materials, different qualities can be adopted to pass through point
Glue realizes combination, therefore can have the advantage of different materials concurrently.To solve in prior art, after terminal, cover manufacturing method is processed
Journey is relatively complicated, high cost, and the weaker problem of terminal bonnet bulk strength for manufacturing.
Embodiment five
With reference to Fig. 4, the flow chart for showing another kind of terminal bonnet preparation method in the embodiment of the present invention.
Step 401, by bonnet body punch forming.
As bonnet body needs to have preferable appearance, and external environment is exposed to, is needed to have well
Stability, that is, need to have the characteristic such as anticorrosive.Therefore the metal with higher gloss degree and stability can be adopted as gold
Category makes bonnet body.It is for instance possible to use aluminium alloy is used as the material for making bonnet body.Aluminium alloy has good metal
Texture, and acted on by anode, one layer of compact aluminum oxide is plated in aluminium and aluminum alloy surface, and electrolytic coloring is dyeed, no
Can only possess good stability, and can possess gorgeous color, so that bonnet body has excellent outward appearance
Effect.Specifically, it is possible to use aluminium alloy is struck out bonnet body by the punch table of preset pressure, 200 can for example be used
The punch table of ton pressure, by model 5252-H32, aluminum alloy thin of the thickness for 0.4～0.8 millimeter (preferably 0.6 millimeter)
Plate strikes out bonnet body.
Step 402, by button bit support injection mo(u)lding.
Wherein, button bit support includes junction button, and the junction button is used for the middle frame structure part for connecting terminal.Injection machine is by button bit
While support injection mo(u)lding, junction button is also injection molded, and the junction button can be column, and can pass through middle frame structure part
The preformed hole of correspondence position, in order to the preformed hole that junction button is passed through middle frame structure part correspondence position after step 407, and heat
Fusion pressure flushconnection is buckled in part more than middle frame structure part, to realize the riveting to junction button and middle frame structure part.For example, can be with
Hot melt pressure is carried out to junction button by 80 to 150 degrees Celsius of temperature, so as to realize the assembling of terminal bonnet and middle frame structure part.
As plastic cement has very strong plasticity, with button bit support made by plastic cement, can be difficult to roll over effectively solving metal
Curve the technological difficulties of more complicated interior button.And as plastic cement has stronger toughness, junction button can be prevented effectively from and prepared
With generation bending even crack during use.Mode is fixedly connected in conjunction with what is riveted, so as to further improve what is used
Reliability.As the button bit cradle fits are in bonnet body interior, therefore the appearance of plastic cement can be paid close attention to, so as to can
To make full use of the advantage of plastic cement.Specifically, it is possible to use the injection machine of preset pressure by plastic-injection into button bit support, for example
50 to 150 tons of injection machines (preferably 100 tons injection machines) can be used, by the modeling of PC (Polycarbonate, Merlon) material
Glue material is molded into the button bit support.
Step 403, forms excessive glue groove using corrosive liquid etching bonnet body.
After bonnet body is made in punching press, overflow to prevent from subsequently carrying out hot melt glue during gluing process, need profit
Etch bonnet body to form the excessive glue groove that can house hot melt glue with corrosive liquid.Etch depth can be true according to product thickness
It is fixed.For example, bonnet body can be etched by alkali sodium hydroxide corrosive liquid, etch depth is 0.1 millimeter.It is optional
, excessive glue groove can also be arranged in button bit support correspondence position by injection mo(u)lding, hot melt glue overlay area be limited to strengthen
Effect.
Step 404, carries out laser laser carving to bonnet body and/or button bit support, forms space network.
Specifically, in order to increase the adhesion strength of bonnet body and button bit support, need to bonnet body and/or button bit
Frame carries out laser laser carving, and the end surfaces to be connected of bonnet body and/or button bit support are engraved as spatial lattice structure.It is preferred that
, bonnet body and button bit support two parts all can be carried out laser laser carving, at utmost to improve bonnet body and button bit
The adhesion strength of support.Due to bonnet body and button bit support, to make material different, can select different when laser carving is carried out
Parameter.It is for instance possible to use the laser that power is 50～100 kilowatts, frequency is 10～40 kilowatts, with 0～0.5 millimeter of grid
The spot diameter of spacing, the speed of 1000～3000mm/s and 0.01～0.5 millimeter, the correspondence position of bonnet body is carved
Into stereoscopic grid shape.Power is adopted for the laser that 20～80 kilowatts, frequency are 5～40 kilowatts, with 1000～3000 mm/seconds
Speed, the spot diameter of 0～0.5 millimeter of mesh spacing and 0.01～0.5 millimeter, the correspondence position of button bit support is carved
It is carved into stereoscopic grid shape；Preferably, power is adopted for the laser that 60 kilowatts, frequency are 20 kilowatts, with the speed of 2000 mm/seconds
The correspondence position of button bit support is engraved as stereoscopic grid by the spot diameter of degree, 0.5 millimeter of mesh spacing and 0.05 millimeter
Shape.The space network can increase specific surface area, so as to increase connecing for hot melt glue and bonnet body and button bit support
Contacting surface is accumulated.And then promoting the bonnet body being made from a different material and button bit support be pasted together, composition is firm solid
Determine attachment structure.
Step 405, the space network to being formed through laser laser carving carry out plasma activation process.
Specifically, in order to increase the adhesion strength of bonnet body and button bit support, in addition it is also necessary to bonnet body and/or button bit
Support carries out plasma activation process through the space network that laser laser carving is formed, to increase surface energy, so as to promote by
Bonnet body made by different materials and button bit support can be pasted together, and composition is firmly fixed attachment structure.
Step 406, by least one of polishing, polishing, sandblasting and anode technique, the bonnet body to being molded carries out essence
Working process.
In order to strengthen the appearance of bonnet body, after by punch table by bonnet body punch forming, in addition it is also necessary to
Bonnet body to being molded carries out finishing process.Specifically, the operation of finishing include polishing, polish, sandblasting and anode etc.
Technique.
Wherein, polishing and polishing are akin technique.Polishing makes bonnet body surface by relatively thick abrasive material
Smooth, polishing further lifts the glossiness of bonnet body by relatively thin abrasive material.It is, for example possible to use 300～
The sand paper of No. 1000, carries out sanding and polishing to bonnet body by manipulator or grinding wheel.
Blasting craft is the technique prepared for anodic process, using percussion cleaning and the roughening bonnet of high speed sand flow
The process of body surface.Compressed air is adopted for power, material spray is ejected into into bonnet body at a high speed by forming high velocity spray beam
Surface, is improved the mechanical performance of bonnet body surface, therefore improves the fatigue resistance of bonnet body, such that it is able to increase
Plus the adhesive force between the coating of the bonnet body and follow-up anode process formation, extend the durability of coating.
Anodic process is to pass through chemical reaction in the electrolytic solution so that aluminum alloy surface plates one layer of compact aluminum oxide to be lifted
The non-oxidizability of bonnet body, and dyeed by electrolytic coloring, so that bonnet body can possess gorgeous color.Enter
And make the bonnet body with good appearance effect.
Bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue by step 407.
In order that the bonnet body and button bit support through above-mentioned process is finally combined as a whole the terminal bonnet of structure, should
Step is specifically included：
Step 4071, bonnet body and button bit support are positioned by tool.
Step 4072, carries out dispensing to bonnet body and button bit support using hot melt glue.
Specifically, can be according to metal and the surface characteristic of plastic cement, from the heat for being suitable to be bonded metal and plastic cement
Melten gel water, after preheating Preset Time, carries out dispensing to bonnet body and button bit support by point gum machine under preset temperature；Example
Such as, using the special hot melt glue with composition, first preheat 15～25 minutes under 100～120 degree celsius temperatures, then by after preheating
Hot melt glue load point gum machine in, needle head is gone out using 0.5～0.7 mm dia, under 0.5～0.7 MPa of dispensing air pressure,
Dispensing is carried out with 20～30 millimeters of speed per second.Preferably, it is possible to use 302 hot melt glue of Fuller, it is first warm at 110 degrees Celsius
The lower preheating of degree 20 minutes, then loads the hot melt glue after preheating in point gum machine, goes out needle head using 0.6 mm dia,
Under 0.6 MPa of dispensing air pressure, dispensing is carried out with 25 millimeters of speed per second.Using the above-mentioned special hot melt glue with composition and upper
Gluing process is stated, the bond degree that can be enabled aluminum alloy to and stainless steel between reaches 8kg/cm2, the bond degree of the welding that can match in excellence or beauty.
Step 4073, will be through bonnet body for dispensing glue and button bit support by tool pressing simultaneously pressurize.
Wherein, the tool for pressing can use bakelite tool, be pressed by the tool, and under set pressure
Pressurize preset time period, to be prepared into complete terminal bonnet.For example, entered with the pressure of 5～40 kilograms (preferably with 20 kilograms)
Row pressing, pressurize 6～9 hours (preferably 8 hours) simultaneously stand 24 hours, and bonnet body is passed through PUR with button bit support
Hydropexis connects into terminal bonnet.
To sum up, the embodiment of the present invention is after by the punch forming of bonnet body and by button bit support injection mo(u)lding, then leads to
Crossing carries out laser laser carving to bonnet body and/or button bit support, by bonnet body and/or the end surfaces carving to be connected of button bit support
Spatial lattice structure is carved into, and the space network to being formed through laser laser carving carries out plasma activation and processes to increase
Plus surface energy, in order to bonnet body and button bit support are fixedly connected into terminal bonnet by hot melt glue.Due to bonnet sheet
Body adopts punch forming, thus there is process is simple, the characteristics of production is high.Simultaneously as button bit support adopts injection mo(u)lding,
Therefore complex shape can be made.And as the material of two kinds of unlike materials, different qualities can be adopted to pass through point
Glue realizes combination, therefore can have the advantage of different materials concurrently.To solve in prior art, after terminal, cover manufacturing method is processed
Journey is relatively complicated, high cost, and the weaker problem of terminal bonnet bulk strength for manufacturing.Further, since adopting technique for dispensing glue
Bonnet body is combined with button bit support, therefore for the defective products produced during making, can be returned by way of degumming
Process is repaiied, so that yield gets a promotion, cost is further reduced therewith.Further, since the terminal bonnet and middle frame structure
Part is fixedly connected in the way of riveting, thus also have structural reliability it is strong the characteristics of.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to
Including preferred embodiment and fall into the had altered of range of embodiment of the invention and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are anticipated
Covering including for nonexcludability, so that a series of process, method, article or terminal device including key elements is not only wrapped
Those key elements are included, but also including other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
Above technical scheme provided by the present invention is described in detail, specific case used herein is to this
Bright principle and embodiment are set forth, the explanation of above example be only intended to help understand the method for the present invention and its
Core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in specific embodiment and application
Will change in scope, in sum, this specification content should not be construed as limiting the invention.
Claims (10)
1. a kind of terminal bonnet, it is characterised in that the bonnet includes：Bonnet body and button bit support；
The button bit support includes junction button, wherein, the junction button is used for the middle frame structure part for connecting terminal；
The bonnet body passes through punch forming, wherein, the bonnet body is made of metal；
The button bit support passes through injection mo(u)lding, wherein, the button bit support is made up of plastic cement；
The bonnet body is fixedly connected by hot melt glue with the button bit support；The junction button riveting by way of with
The middle frame structure part is fixedly connected；
The bonnet body is the space network through activation process with the end surfaces that connect of the button bit support.
2. terminal bonnet according to claim 1, it is characterised in that
The bonnet body includes excessive glue groove；
Wherein, the excessive glue groove is formed by etching, for limiting the region that the hot melt glue is covered.
3. a kind of electronic equipment, it is characterised in that using the terminal bonnet as described in above-mentioned any one of claims 1 to 3.
4. a kind of terminal bonnet preparation method, it is characterised in that methods described includes：
By bonnet body punch forming, wherein, the bonnet body is made of metal；
By button bit support injection mo(u)lding, wherein, the button bit support is made up of plastic cement；
By carrying out laser laser carving to the bonnet body and/or the button bit support, by the bonnet body and/or the button
The end surfaces to be connected of position support are engraved as spatial lattice structure；
The space network to being formed through laser laser carving carries out plasma activation process；
The bonnet body is fixedly connected into into the terminal bonnet by hot melt glue with the button bit support.
5. method according to claim 4, it is characterised in that the step of the body punch forming by bonnet, including：
Punch table is by the metal stamping into the bonnet body.
6. method according to claim 4, it is characterised in that the step of the support injection mo(u)lding by button bit, including
The plastic cement is molded into the button bit support by plastic mould by injection machine, wherein, the button bit support includes connection
Button, the junction button are used for the middle frame structure part for connecting terminal.
7. method according to claim 6, it is characterised in that by the bonnet body and the button bit support by heat
After melten gel hydropexis connects into the terminal bonnet, also include：
The junction button is passed through into the preformed hole of the middle frame structure part correspondence position, and heats the pressing junction button, with right
The junction button and the middle frame structure part are riveted.
8. method according to claim 4, it is characterised in that after the body punch forming by bonnet, also include：
The bonnet body is etched using corrosive liquid, excessive glue groove is formed；
Wherein, the excessive glue groove is used to limit the region that the hot melt glue is covered.
9. method according to claim 4, it is characterised in that by the bonnet body and the button bit support by heat
Before melten gel hydropexis connects into the terminal bonnet, also include：
By at least one of polishing, polishing, sandblasting and anode technique, the bonnet body to being molded carries out finishing process, obtains
Obtain bonnet body to be connected.
10. method according to claim 4, it is characterised in that by the bonnet body and the button bit support by heat
The step of melten gel hydropexis connects into the terminal bonnet, including：
The bonnet body and the button bit support are positioned by tool；
Dispensing is carried out to the bonnet body and the button bit support using hot melt glue；
Will be through the bonnet body for dispensing glue and the button bit support by tool pressing simultaneously pressurize.
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| CN201610942909.8A CN106550068A (en) | 2016-10-31 | 2016-10-31 | A kind of terminal bonnet and terminal bonnet preparation method |
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| CN201610942909.8A CN106550068A (en) | 2016-10-31 | 2016-10-31 | A kind of terminal bonnet and terminal bonnet preparation method |
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