CN106985337B - USB tongue piece processing method, USB tongue piece and mobile terminal - Google Patents
USB tongue piece processing method, USB tongue piece and mobile terminal Download PDFInfo
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- CN106985337B CN106985337B CN201710206172.8A CN201710206172A CN106985337B CN 106985337 B CN106985337 B CN 106985337B CN 201710206172 A CN201710206172 A CN 201710206172A CN 106985337 B CN106985337 B CN 106985337B
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- tongue piece
- metal terminal
- adhesives
- base material
- supporting base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
Abstract
The present invention provides a kind of USB tongue piece processing method, USB tongue piece and mobile terminals, the processing method includes: to carry out roughening treatment to the metal terminal of the pre-molding of preset quantity, wherein, metal terminal includes the first part for tongue piece portion to be made and the second part for weld part to be made；It will be in the metal terminal interval pre-determined distance supporting base material placed side by side for being covered with adhesives in one of preset quantity；The metal terminal, adhesives and supporting base material that successively stack are pressed at the position of first part, form tongue piece pre-processing structure；Tongue piece pre-processing structure is molded, USB tongue piece is obtained.Therefore, the solution of the present invention, solve the problems, such as in the traditional machining processes of USB tongue piece metal terminal be first electroplated be molded afterwards cause to combine between metal terminal and plastic parts it is hypodynamic.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of USB tongue piece processing methods, USB tongue piece and mobile terminal.
Background technique
USB is a kind of technical specification of input/output interface, is widely used in mobile phone, tablet computer, DTV, trip
In the communication products such as gaming machine and PC.The procedure for producing of USB is once molded by metal terminal with plastic cement or is infused twice at present
After being moulded into type, then carries out iron-clad and be completed, but have the following deficiencies:
Terminal largely uses electroplating gold on metal substrate, and terminal and plastic cement are then carried out injection molding.Due to gold-plated
Rear terminal surface roughness is smaller, binding force deficiency between rear terminal and plastic parts is molded, thus the tongue piece in USB swapping process
Terminal is easy stress and loosens generation crack, and then meeting Zang Shui in gap in the case where the feed liquor of the position USB, and in the item of electrification
Corrode under part.
Wherein, USB is the presently most universal a kind of exchange of data in mobile phone and charging modes.But with charging current
And the increase of voltage, the complication of mobile phone use environment, drawbacks described above meeting present in the USB of existing USB procedure for producing processing
Data exchange and charge function is caused to fail.
Summary of the invention
The embodiment provides a kind of USB tongue piece processing method, USB tongue piece and mobile terminals, to solve USB tongue
Metal terminal is first electroplated to be molded afterwards and causes to combine hypodynamic ask between metal terminal and plastic parts in the traditional machining processes of piece
Topic.
The embodiment provides a kind of USB tongue piece processing methods, comprising:
Roughening treatment is carried out to the metal terminal of the pre-molding of preset quantity, wherein the metal terminal includes being used for
The first part of tongue piece portion and the second part for weld part to be made is made；
By the metal terminal interval pre-determined distance support placed side by side for being covered with adhesives in one of preset quantity
On substrate；
To the metal terminal, the adhesives and the supporting base material successively stacked in the position of the first part
The place of setting is pressed, and tongue piece pre-processing structure is formed；
The tongue piece pre-processing structure is molded, so that the adhesives and the supporting base material are each attached into
In shape glue, the surface that fits in the first part, with the adhesives relative to another surface exposure it is described at
The surface of shape glue, the second part stretch out from inside to outside from the forming plastic cement, obtain USB tongue piece.
The embodiments of the present invention also provide a kind of using USB tongue piece made of method described above, comprising:
Forming plastic cement；
Supporting base material, the supporting base material are fixed in the forming plastic cement；
Adhesives, the adhesives are fixed in the forming plastic cement；
It is spaced the metal terminal of pre-determined distance preset quantity placed side by side, the metal terminal includes tongue piece portion and welding
Portion, the tongue piece portion are fixed in the supporting base material by the adhesives, and the weld part is from the forming plastic cement
It is protruding, wherein another surface exposure in the tongue piece portion, opposite with the surface that the adhesives fits is described
The surface that the surface of forming plastic cement, the tongue piece portion and the adhesives fit has default roughness.
The embodiments of the present invention also provide a kind of mobile terminal, including USB socket, the USB socket has above-mentioned institute
The USB tongue piece stated.
The beneficial effect of the embodiment of the present invention is:
The embodiment of the present invention carries out roughening treatment to the metal terminal of the pre-molding of preset quantity first, then right
Metal terminal, adhesives and the supporting base material successively stacked is pressed together, and forms tongue piece pre-processing structure, and then to tongue
Piece pre-processing structure is molded, so that adhesives and supporting base material are each attached in forming plastic cement, is used on metal terminal
Be made in the first part of tongue piece portion, another surface exposure opposite with the surface that adhesives fits forming plastic cement table
Face is stretched out on metal terminal for the second part of weld part to be made from the forming plastic cement, from inside to outside to meet USB tongue piece
Structure type with connect turn-on condition.Wherein, due to increasing the table of metal terminal for after metal terminal surface roughening treatment
Surface roughness, so increasing metal terminal and its bottom insulation after carrying out local pressing by adhesives and supporting base material
The binding force of material ensure that the combination reliability of metal terminal and bottom insulation material, so as to improve the corrosion resistant of USB terminal
Erosion ability charges, the failure probability of data-transformation facility caused by reducing because of the corrosion of USB terminal.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 shows the flow charts of the USB tongue piece processing method of first embodiment of the invention；
Fig. 2 indicates that metal terminal carries out the diagrammatic cross-section after roughening treatment in first embodiment of the invention；
Fig. 3 indicates the partial enlargement diagram of B in Fig. 2；
When Fig. 4 indicates to be pressed together metal terminal, adhesives and supporting base material in first embodiment of the invention
Diagrammatic cross-section；
Fig. 5 indicates the structural schematic diagram of the USB tongue piece of second embodiment of the invention；
Fig. 6 indicates the diagrammatic cross-section of A-A in Fig. 5；
Fig. 7 indicates the partial enlargement diagram of C in Fig. 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
First embodiment
The embodiment provides a kind of USB tongue piece processing methods, as shown in Figure 1, the processing method includes:
Step 101: roughening treatment is carried out to the metal terminal of the pre-molding of preset quantity.
Wherein, the metal terminal includes the first part for tongue piece portion to be made and second for weld part to be made
Point.Tongue piece portion for being connect with the conductive terminal contacts on USB plug, weld part with the associate conductive wiring on mobile terminal
It is welded to connect.In addition, the metal terminal of pre-molding is strip structure.Further, the metal terminal is made of copper alloy.
In addition, roughening treatment is to be handled (mechanical wear or chemistry corruption to workpiece surface with Mechanical Method or chemical method
Erosion), to obtain a kind of structure of micro-rough in workpiece surface, it is allowed to become hydrophily from hydrophobicity.Thus the present invention is real
The roughening treatment in example is applied, is that the surface of metal terminal is made to form uniform microcosmic roughening effect, i.e., so that metal terminal surface
Roughness be greater than preset threshold, to increase the roughness on metal terminal surface.
Preferably, step 101 includes: using brownification treatment process or blackening treatment process or super roughening treatment technique to pre-
If the surface of the metal terminal of the pre-molding of quantity carries out roughening treatment.
Wherein, it after carrying out roughening treatment to metal terminal using brownification treatment process, can be formed on the surface of metal terminal
One layer of brownification film；After carrying out roughening treatment to metal terminal using blackening treatment process, one can be formed on the surface of metal terminal
Layer oxide layer.In addition, super roughening treatment technique is a kind of copper face treatment process for designing for roughening copper face, thus when using super
When roughening treatment technique carries out roughening treatment to metal terminal, metal terminal is needed to be made of copper product, such as copper alloy.Specifically
Ground carries out the diagrammatic cross-section after roughening treatment for metal terminal, is covered on 1 surface of metal terminal as shown in Figures 2 and 3
Roughened layer 2 is brownification film or oxide layer.
Step 102: being covered with bonding material in one for the metal terminal interval pre-determined distance of preset quantity is placed side by side
In the supporting base material of material.
Wherein, preset quantity metal terminal interval pre-determined distance place (as shown in Figure 5) so that each metal terminal it
Between will not contact with each other, i.e., so that there is no electrical connection between each metal terminal, so that the conducting for meeting USB tongue piece is wanted
It asks.In addition, the metal terminal of preset quantity is arranged side by side, the structure type requirement of USB tongue piece can satisfy.
In addition, the adhesives is used for the first part of metal terminal and supporting base material bonding connection.Preferably, institute
Stating adhesives is the prepreg that pure glue material or fluidity are lower than preset threshold.Wherein, prepreg has adds in heating
The characteristics of pressure can soften, and react solidification after cooling, so, prepreg can also act on adhesives, by metal terminal and branch
Support group material is fixedly connected.
Preferably, the supporting base material is copper-clad plate substrate.Wherein it is possible to understand, for the specific of supporting base material
Constituent material is not limited thereto.
Step 103: to the metal terminal, the adhesives and the supporting base material successively stacked described first
It is pressed at partial position, forms tongue piece pre-processing structure.
Wherein, the metal terminal successively stacked, adhesives and supporting base material are pressed at the position of first part
After conjunction, so that the first part for tongue piece portion to be made of metal terminal is fixed together by adhesives and supporting base material.
Preferably, step 103 include: in the first part, it is opposite with the surface that the adhesives fits
Pressing padded coaming is placed on another surface；Using tool for stitching to the pressing padded coaming, the metal successively stacked
Terminal, the adhesives and the supporting base material are pressed, and tongue piece pre-processing structure is formed.
I.e. as shown in figure 4, the embodiment of the present invention, to the metal terminal 1, adhesives 3 and branch for being sequentially overlapped placement
When support group material 4 is pressed together, can in the first part of metal terminal 1, it is opposite with the surface that adhesives 3 fits
A pressing padded coaming 5 is placed on another surface, so as to avoid when later use tool for stitching 6 is pressed together,
The surface of metal terminal is caused to damage.
Wherein, when being pressed together using tool for stitching 6, as shown in figure 4, supporting base material 4 is placed in pressing bottom
On plate 7, then, adhesives 3, metal terminal 1, pressing padded coaming 5 are successively placed in supporting base material 4, and then utilize pressure
It closes jig 6 and applies pressure on pressing padded coaming 5, be pressed together, or pressing padded coaming 5 is fixed on pressing and is controlled
On the stitching surface of tool 6, so that padded coaming 5 can have when applying pressure force to metal terminal 1 using tool for stitching 6
Effect protection metal terminal 1 is against damages.
Step 104: the tongue piece pre-processing structure being molded, so that the adhesives and the supporting base material are equal
It is fixed in forming plastic cement, another surface exposure in the first part, opposite with the surface that the adhesives fits
On the surface of the forming plastic cement, the second part stretches out from inside to outside from the forming plastic cement, obtains USB tongue piece.
Wherein, after injection process, there is a surface exposure in the first part for tongue piece portion to be made of metal terminal
On forming plastic cement surface, consequently facilitating being connect with the conductive terminal contacts on USB plug, for the second part of weld part to be made
It is protruding from forming plastic cement, consequently facilitating being welded to connect with the associate conductive wiring on mobile terminal.It follows that this hair
The USB tongue piece that bright embodiment processing obtains can satisfy the basic demand of structure type and contact conducting.
In addition, supporting base material and adhesives are all fixed in forming plastic cement after injection process, can make of the invention
The USB tongue piece that embodiment processing obtains meet it is whole basic in conjunction with force request, otherwise, if enable supporting base material and adhesives with
Forming plastic cement separation metal terminal can occur and ask with what easy supporting base material mutually separated in the subsequent use process of USB tongue piece
Topic.
Preferably, after step 103, the embodiment of the present invention further include: on the metal terminal with it is described bonding
Surface except the binding face of material is electroplated.
Wherein, after metal terminal being electroplated, a protective layer can be formed on the surface of metal terminal, to rise
To anti-oxidation, etch-proof effect.In addition, plating is only electroplated on the surface of exposed metal terminal after pressing,
Plating area is reduced, the consumption of plating material therefor is reduced, to reduce electroplating cost.Further, plating is specific
It can be electronickelling gold.
In addition, the metal terminal of pre-molding includes multiple terminal units in batch production process, each terminal list
Member includes the first part for tongue piece portion to be made and the second part for weld part to be made.Therefore, it is producing in batches
In the process, after step 104, it is also necessary to using terminal unit as foundation, be cut, to obtain multiple USB tongue pieces.Specifically
Ground can be used laser cutting and be cut.
In conclusion the embodiment of the present invention, first carries out at roughening the metal terminal of the pre-molding of preset quantity
Reason, is then pressed together the metal terminal, adhesives and supporting base material that successively stack, forms tongue piece pretreatment knot
Structure, and then tongue piece pre-processing structure is molded, so that adhesives and supporting base material are each attached in forming plastic cement, metal
On terminal for be made the first part of tongue piece portion, the surface to fit with adhesives relative to another surface exposure at
The surface of shape glue is stretched out for the second part of weld part to be made from the forming plastic cement from inside to outside on metal terminal, thus
Meet the structure type of USB tongue piece with connect turn-on condition.Wherein, due to increasing after metal terminal surface roughening treatment
The surface roughness of metal terminal, so increasing metal terminal after carrying out local pressing by adhesives and supporting base material
With the binding force of its bottom insulation material, the combination reliability of metal terminal and bottom insulation material ensure that, so as to improve
The corrosion resistance of USB terminal charges, the failure probability of data-transformation facility caused by reducing because of the corrosion of USB terminal.
Second embodiment
The embodiment provides a kind of using USB tongue piece made of method described above, as shown in figure 5, being
The overall structure diagram of the USB tongue piece of the embodiment of the present invention, specifically, as shown in fig. 6, for the section signal of A-A in Fig. 5
Figure.
Wherein, as shown in fig. 6, the USB tongue piece of the embodiment of the present invention includes:
Forming plastic cement 8；
Supporting base material 4, the supporting base material 4 are fixed in the forming plastic cement 8；
Adhesives 3, the adhesives 3 are fixed in the forming plastic cement 8；
It is spaced the metal terminal 1 of pre-determined distance preset quantity placed side by side, the metal terminal 1 includes 11 He of tongue piece portion
Weld part 12, the tongue piece portion 11 are fixed in the supporting base material 4 by the adhesives 3, and the weld part 12 is from institute
It states protruding in forming plastic cement 8, wherein in the tongue piece portion 11, opposite with the surface that the adhesives 3 fits another
One surface exposure has pre- in the surface of the forming plastic cement 8, the tongue piece portion 11 with the surface that the adhesives 3 fits
If roughness.Further, the metal terminal 1 is made of copper alloy.
Wherein, supporting base material and adhesives are all fixed in forming plastic cement, can make the USB of the embodiment of the present invention
Tongue piece meets the basic in conjunction with force request of entirety, otherwise, if supporting base material and adhesives is enabled to separate with forming plastic cement, can exist
In the subsequent use process of USB tongue piece, there is the problem of metal terminal is mutually separated with easy supporting base material.
The metal terminal 1 of preset quantity is spaced pre-determined distance and places, so that will not phase mutual connection between each metal terminal 1
Touching, i.e., so that not having electrical connection between each metal terminal 1, to meet the conducting requirement of USB tongue piece.In addition, default
The metal terminal 1 of quantity is arranged side by side, and can satisfy the structure type requirement of USB tongue piece.
In addition, weld part 12 is protruding from forming plastic cement 8, consequently facilitating weld part 12 is related on mobile terminal
Conductive connection is welded to connect.Another surface exposure in tongue piece portion 11, opposite with the surface that the adhesives 3 fits is in institute
The surface of forming plastic cement 8 is stated, consequently facilitating connecting with the conductive terminal contacts on USB plug.
In addition, being fixed together between tongue piece portion 11, adhesives 3 and supporting base material 4 by being pressed together technique.Its
In, since tongue piece portion 11 and the surface that adhesives 3 fits have default roughness, so, the USB tongue of the embodiment of the present invention
There is stronger binding force between the tongue piece portion 11 and the surface to fit of adhesives 3 and adhesives 3 of piece.
Preferably, supporting base material 4 is copper-clad plate substrate.Wherein it is possible to understand, for the specific structure of supporting base material 4
It is not limited thereto at material.
Preferably, the adhesives 3 is the prepreg that pure glue material or fluidity are lower than preset threshold.Wherein, half
Cured sheets have the characteristics of softening under heating pressurization, reacting solidification after cooling, so, prepreg can also act on bonding material
Material, metal terminal is fixedly connected with supporting base material.
Wherein, the tongue piece portion 11, which has the surface of default roughness, is obtained after roughening treatment.In addition, roughening
Processing is to be handled (mechanical wear or chemical attack) to workpiece surface with Mechanical Method or chemical method, thus in workpiece surface
A kind of structure of micro-rough is obtained, is allowed to become hydrophily from hydrophobicity.Therefore, the tongue piece portion has default roughness
Before roughening treatment is compared on surface, surface roughness is increased.
Preferably, the roughening treatment technique can be brownification processing, Darkening process or super roughening treatment.Wherein, using palm fibre
After changing treatment process to metal terminal progress roughening treatment, one layer of brownification film can be formed on the surface of metal terminal, therefore, if adopting
The roughness for increasing the surface that tongue piece portion fits with adhesives is handled with brownification, then can cover one layer of brownification on a surface
Film；After carrying out roughening treatment to metal terminal using blackening treatment process, layer of oxide layer can be formed on the surface of metal terminal,
Therefore, the roughness for increasing the surface that tongue piece portion fits with adhesives according to Darkening process, then can cover on a surface
Lid layer oxide film.Specifically, as shown in fig. 7, the roughened layer 2 for being covered on 1 surface of metal terminal is brownification film or oxide layer.
In addition, super roughening treatment technique is a kind of copper face treatment process for being roughened copper face and designing, thus when using super thick
When changing treatment process to metal terminal progress roughening treatment, metal terminal is needed to be made of copper product, such as copper alloy.
Preferably, electroplated layer is covered with on the surface except the binding face of the adhesives 3 on the metal terminal 1
9.Further, the electroplated layer 9 is nickel-gold layer.Wherein, electroplated layer 9 can play metal terminal anti-oxidation, etch-proof
Effect.In addition, electroplated layer 9 is only covered on the surface except the binding face of metal terminal 1 and adhesives 3, plating is reduced
The area coverage of layer 9 reduces the consumption of plating material therefor, to reduce electroplating cost.Further, plating specifically may be used
For electronickelling gold.
In conclusion the USB tongue piece of the embodiment of the present invention, by the metal terminal interval pre-determined distance of preset quantity and is discharged
It sets, and makes the weld part of metal terminal protruding from forming plastic cement, so that metal terminal and adhesives fitted
Surface exposure is outside forming plastic cement, to meet the structure type and contact conducting requirement of USB tongue piece.In addition, due to metal end
The tongue piece portion of son and the surface that fits of adhesives have a default roughness, and adhesives and are used to support metal terminal
Supporting base material is each attached in forming plastic cement, so that the fixed effect between metal terminal and supporting base material is more preferably.Therefore, this hair
Bright embodiment can improve the combination of metal terminal and bottom substrate under the premise of not influencing structure type and contact conducting
Intensity, so as to improve the corrosion resistance of USB terminal, charging, the mistake of data-transformation facility caused by reducing because of the corrosion of USB terminal
Imitate probability.
3rd embodiment
The embodiment provides a kind of mobile terminal, including USB socket, the USB socket has described above
USB tongue piece.
It is wherein, due to USB tongue piece described above, the metal terminal interval pre-determined distance of preset quantity is placed side by side,
And make the weld part of metal terminal protruding from forming plastic cement, so that the surface that metal terminal and adhesives fit
It is exposed outside forming plastic cement, thus meet USB socket structure type and contact conducting require.In addition, due to metal terminal
The surface that tongue piece portion and adhesives fit has default roughness, and adhesives and the support for being used to support metal terminal
Substrate is each attached in forming plastic cement, so that the fixed effect between metal terminal and supporting base material is more preferably.Therefore, the present invention is real
USB socket included by the mobile terminal of example is applied, improves metal end under the premise of not influencing structure type and contact conducting
The bond strength of son and bottom substrate, improves the corrosion resistance of USB terminal, to reduce mobile terminal charging, data
The failure probability of transfer function.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (7)
1. a kind of USB tongue piece processing method characterized by comprising
Roughening treatment is carried out to the metal terminal of the pre-molding of preset quantity, wherein the metal terminal includes for being made
The first part of tongue piece portion and second part for weld part to be made；
By the metal terminal interval pre-determined distance supporting base material placed side by side for being covered with adhesives in one of preset quantity
On, the supporting base material is copper-clad plate substrate；
To the metal terminal, the adhesives and the supporting base material successively stacked at the position of the first part
It is pressed, forms tongue piece pre-processing structure；
The tongue piece pre-processing structure is molded, so that the adhesives and the supporting base material are each attached into shape
In glue, the surface that fits in the first part, with the adhesives relative to another surface exposure described at shape
The surface of glue, the second part stretch out from inside to outside from the forming plastic cement, obtain USB tongue piece；
It is described to the metal terminal, the adhesives and the supporting base material that successively stack in the position of the first part
After the step of place of setting is pressed, and tongue piece pre-processing structure is formed, further includes:
It is electroplated on the metal terminal with the surface except the binding face of the adhesives.
2. the method according to claim 1, wherein the metal terminal of the pre-molding to preset quantity into
The step of row roughening treatment, comprising:
Using brownification treatment process or blackening treatment process or super roughening treatment technique to the metal of the pre-molding of preset quantity
The surface of terminal carries out roughening treatment.
3. the method according to claim 1, wherein it is described to the metal terminal successively stacked, it is described viscous
The step of connecing material and the supporting base material pressed at the position of the first part, forming tongue piece pre-processing structure,
Include:
Pressing fender is placed on another surface in the first part, opposite with the surface that the adhesives fits
Material；
Using tool for stitching to the pressing padded coaming, the metal terminal, the adhesives and described successively stacked
Supporting base material is pressed, and tongue piece pre-processing structure is formed.
4. the method according to claim 1, wherein the adhesives is pure glue material or fluidity lower than pre-
If the prepreg of threshold value.
5. a kind of using USB tongue piece made of any one of Claims 1-4 the method characterized by comprising
Forming plastic cement；
Supporting base material, the supporting base material are fixed in the forming plastic cement, and the supporting base material is copper-clad plate substrate；
Adhesives, the adhesives are fixed in the forming plastic cement；
It is spaced the metal terminal of pre-determined distance preset quantity placed side by side, the metal terminal includes tongue piece portion and weld part,
The tongue piece portion is fixed in the supporting base material by the adhesives, and the weld part is outside from the forming plastic cement
It stretches out, wherein another surface exposure in the tongue piece portion, opposite with the surface that the adhesives fits is in the molding
The surface that the surface of plastic cement, the tongue piece portion and the adhesives fit has default roughness；
Electroplated layer is covered with on the surface except the binding face of the adhesives on the metal terminal.
6. USB tongue piece according to claim 5, which is characterized in that the adhesives is that pure glue material or fluidity are low
In the prepreg of preset threshold.
7. a kind of mobile terminal, which is characterized in that including USB socket, the USB socket has as claim 5~6 is any one
USB tongue piece described in.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206172.8A CN106985337B (en) | 2017-03-31 | 2017-03-31 | USB tongue piece processing method, USB tongue piece and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206172.8A CN106985337B (en) | 2017-03-31 | 2017-03-31 | USB tongue piece processing method, USB tongue piece and mobile terminal |
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| CN106985337B true CN106985337B (en) | 2019-01-11 |
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