CN109628873A - A kind of spraying method of feeding point - Google Patents
A kind of spraying method of feeding point Download PDFInfo
- Publication number
- CN109628873A CN109628873A CN201811627571.2A CN201811627571A CN109628873A CN 109628873 A CN109628873 A CN 109628873A CN 201811627571 A CN201811627571 A CN 201811627571A CN 109628873 A CN109628873 A CN 109628873A
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- China
- Prior art keywords
- spraying
- feeding point
- sprayed
- target
- area
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to feeding point technical fields, disclose a kind of spraying method of feeding point, include the following steps: that S1. covers entire part to be sprayed using ink；S2. target spraying area is marked on part to be sprayed；S3. roughening treatment is carried out to the surface of target spraying area；S4. the non-targeted spraying area of part to be sprayed is protected using jig；S5. sprayed on material is sprayed into target spraying area using heat spraying method and/or cold spraying method, to form feeding point.The spraying method of feeding point provided by the invention reduces production cost it is possible, firstly, to improve production efficiency；Secondly, the binding force between feeding point and target spraying area surface can be improved, prevent feeding point from falling off；Again, the thickness that can effectively reduce feeding point is more favorable for being thinned for the communication apparatus such as mobile phone；Finally, being formed by after spraying, feeding point is more uniform, improves the stability that feeding point transmits signal.
Description
Technical field
The present invention relates to feeding point technical field more particularly to a kind of spraying methods of feeding point.
Background technique
In the communication apparatus such as mobile phone, the transmission of signal is usually realized by setting feeding point.In the prior art, main
It is soldered in communication apparatus by indirect welding technique by copper sheet is fed, and the not only at high cost, low efficiency using spot-welding technology, and
And due to being point contact between feed copper sheet and communication apparatus, so being easy to happen due to the knot between feed copper sheet and communication apparatus
Resultant force is insufficient and causes to feed the case where copper sheet falls off；In addition, the thickness of solder will lead to when feed copper sheet fixed using spot welding
The increase of feeding point integral thickness, to be unfavorable for being thinned for the communication apparatus such as mobile phone.Therefore, the new feeding point of one kind is needed
Production method is to solve the above problems.
Summary of the invention
Based on the above, the purpose of the present invention is to provide a kind of spraying methods of feeding point, to solve above-mentioned feed
At high cost, low efficiency present in point production method, the technical problems such as feeding point is easy to fall off, feeding point thickness is larger.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of spraying method of feeding point, includes the following steps:
S1. entire part to be sprayed is covered using ink；
S2. target spraying area is marked on the part to be sprayed；
S3. roughening treatment is carried out to the surface of the target spraying area；
S4. the non-targeted spraying area of the part to be sprayed is protected using jig；
S5. sprayed on material is sprayed into the target spraying area using heat spraying method and/or cold spraying method, with shape
At the feeding point.
Further, in step s 2, using laser laser carving or the method for machining to the target spraying area into
Line flag.
Further, in step s3, using laser laser carving or the method for sandblasting to the surface of the target spraying area
Carry out roughening treatment.
Further, in step s 4, spraying hole, the shape and the target in the spraying hole are offered on the jig
The shape of spraying area is consistent, and the sprayed on material can be sprayed into the target spraying area by the spraying hole.
Further, in step s 5, the sprayed on material is sprayed into the target according to the heat spraying method
Spraying area, then the initial injection speed of the sprayed on material is 680 meter per seconds.
Further, in step s 5, the temperature range when sprayed on material is sprayed into the target spraying area is
90 DEG C~250 DEG C.
Further, after step s 5, further include step S6: removing the ink of non-targeted spraying area.
Further, in step s 6, the non-targeted spraying area is removed using ultrasonic wave water washing and cold water wash
Ink.
Further, the minimum area of the feeding point is 1mm2。
Further, the thickness range of the feeding point is 0.02mm~0.4mm.
The invention has the benefit that
The spraying method of feeding point provided by the invention forms feeding point using heat spraying method and/or cold spraying method,
Such method is simple and practical.It is possible, firstly, to which once spraying forms multiple feeding points, production efficiency is greatly improved, is reduced
Production cost；Secondly as comprehensive contact can be formed between sprayed on material and part to be sprayed, it is possible to be effectively prevented
Feeding point falls off, and carries out roughening treatment additionally by the surface to target spraying area, can also increase sprayed on material and target
Contact area between spraying area surface, so that the binding force between feeding point and target spraying area surface is improved, into one
Step prevents feeding point from falling off, and guarantees feed effect；Again, the thickness of feeding point is only the coating thickness of sprayed on material, is not needed
Increase the thickness of solder in the prior art, therefore the thickness of feeding point can be effectively reduced, is more favorable for the communications such as mobile phone and sets
Standby is thinned；Finally, sprayed on material is to be sprayed into target spraying area with the state of atomization in heat spraying method, and cold
Sprayed on material is target spraying area to be sprayed into pulverulence, and be atomized and powdered sprayed on material in spraying method
Uniformity is good and size is tiny, so it is more uniform to be formed by feeding point after spraying, and then improves feeding point and passes to signal
Defeated stability.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below 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 creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the flow chart of the spraying method of feeding point provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
As shown in Figure 1, including the following steps: the present embodiment provides a kind of spraying method of feeding point
S1. entire part to be sprayed is covered using ink；
S2. target spraying area is marked on part to be sprayed；
S3. roughening treatment is carried out to the surface of target spraying area；
S4. the non-targeted spraying area of part to be sprayed is protected using jig；
S5. sprayed on material is sprayed into target spraying area using heat spraying method and/or cold spraying method, to form feedback
Electric point.
In step s 4, heat spraying method can be the methods of electric arc spraying or plasma spraying, be not specifically limited herein.
When sprayed on material is sprayed into target spraying area using heat spraying method, firstly, it is necessary to by Filamentous or powdered spraying
Material is heated to melting or semi-molten state, then passes through the power of heat sources itself or the additional high speed gas such as electric arc or plasma arc
Stream is atomized sprayed on material, and sprays the sprayed on material of atomization to target spraying area with the initial injection speed of 680 meter per seconds
Domain, while the temperature of the sprayed on material by temperature control equipment adjusting atomization, make sprayed on material be sprayed into target spraying area
When temperature be maintained in the range of 90 DEG C~250 DEG C, this temperature range can guarantee the physical property and change of part to be sprayed
Performance is learned not change in spraying process.When using arc spray process, sprayed on material is being heated to melting or fritting
Melt before state in filiform.When using plasma spraying method, sprayed on material powder before being heated to melting or semi-molten state
Shape.When using cold spraying method, sprayed on material is being powdered to reaching before target spraying area always, and does not need to heat
To melting or semi-molten state.
The spraying method of feeding point provided in this embodiment forms feed using heat spraying method and/or cold spraying method
Point, such method are simple and practical.It is possible, firstly, to which once spraying forms multiple feeding points, production efficiency is greatly improved, is dropped
Low production cost；Secondly as comprehensive contact can be formed between sprayed on material and part to be sprayed, it is possible to effectively prevent
Only feeding point falls off, and carries out roughening treatment additionally by the surface to target spraying area, can also increase sprayed on material and mesh
The contact area between spraying area surface is marked, so that the binding force between feeding point and target spraying area surface is improved, into
One step prevents feeding point from falling off, and guarantees feed effect；Again, the thickness of feeding point is only the coating thickness of sprayed on material, is not required to
Increase the thickness of solder in the prior art, therefore the thickness of feeding point can be effectively reduced, is more favorable for the communication such as mobile phone
Equipment is thinned；Finally, in heat spraying method sprayed on material be target spraying area is sprayed into the state of atomization, and
Sprayed on material is target spraying area to be sprayed into pulverulence, and be atomized and powdered sprayed on material in cold spraying method
Uniformity it is good and size is tiny, so it is more uniform to be formed by feeding point after spraying, and then improve feeding point to signal
The stability of transmission.
It should be pointed out that the sprayed on material in the present embodiment is copper or copper alloy, in other embodiments sprayed on material
It can be also the materials such as zinc, aluminium, silver, stainless steel, kirsite, aluminium alloy or silver alloy, can be adjusted according to actual needs.Separately
Outside, target spraying area is marked on part to be sprayed, helps to ensure that the accuracy of roughening treatment and spraying position, to mention
The accuracy of high feed position.It, can be by target spraying area when the surface to target spraying area carries out roughening treatment
Ink removal, only retains the ink of non-targeted spraying area, to protect to non-targeted spraying area, at the end of spraying
The ink of non-targeted spraying area is removed again.
It specifically, further include treating spray piece to be checked before step S1；In step s 2, using laser laser carving or
Target spraying area is marked in the method for machining；In step s3, using laser laser carving or the method for sandblasting to mesh
The surface for marking spraying area carries out roughening treatment, to increase the surface area of target spraying area；In step s 4, it is opened up on jig
There is spraying hole, the shape for spraying hole is consistent with the shape of target spraying area, and sprayed on material can be sprayed into mesh by spraying hole
Mark spraying area；Between step S5 and S6 further include: release the protection that jig treats the non-targeted spraying area of spray piece；In step
In rapid S6, the ink of non-targeted spraying area is removed using ultrasonic wave water washing and cold water wash；After step S6 further include: right
Target spraying area and non-targeted spraying area are checked.
By adjusting the size and sprayed on material for spraying hole on jig after atomization with the size under pulverulence, can make
The minimum area of feeding point reaches 1mm2, to meet the requirement of precise operation, while the shape in change spraying hole can also be passed through
The shape for changing feeding point, enables the shape of feeding point preferably to be controlled, meets demand of different shapes.In addition, logical
Adjustment sprayed on material is crossed after atomization with the size and spraying number under pulverulence, and the thickness of feeding point can be made in 0.02mm
In the range of~0.4mm, certainly, the thickness of feeding point can be also adjusted according to actual needs, and this is not restricted.Carry out
Thermal spraying can be only repeatedly carried out when spraying, can also only carry out cold spraying, it can be with thermal spraying and cold spraying alternately.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of spraying method of feeding point, which comprises the steps of:
S1. entire part to be sprayed is covered using ink；
S2. target spraying area is marked on the part to be sprayed；
S3. roughening treatment is carried out to the surface of the target spraying area；
S4. the non-targeted spraying area of the part to be sprayed is protected using jig；
S5. sprayed on material is sprayed into the target spraying area using heat spraying method and/or cold spraying method, to be formed
State feeding point.
2. the spraying method of feeding point according to claim 1, which is characterized in that in step s 2, utilize laser laser carving
Or the target spraying area is marked in the method for machining.
3. the spraying method of feeding point according to claim 1, which is characterized in that in step s3, utilize laser laser carving
Or the method for sandblasting carries out roughening treatment to the surface of the target spraying area.
4. the spraying method of feeding point according to claim 1, which is characterized in that in step s 4, opened on the jig
Equipped with spraying hole, the shape in the spraying hole is consistent with the shape of the target spraying area, and the sprayed on material can pass through
The spraying hole is sprayed into the target spraying area.
5. the spraying method of feeding point according to claim 1, which is characterized in that in step s 5, according to the heat
The sprayed on material is sprayed into the target spraying area by spraying method, then the initial injection speed of the sprayed on material is
680 meter per seconds.
6. the spraying method of feeding point according to claim 1, which is characterized in that in step s 5, the sprayed on material
Temperature range when being sprayed into the target spraying area is 90 DEG C~250 DEG C.
7. the spraying method of feeding point according to claim 1, which is characterized in that further include step after step s 5
S6: the ink of non-targeted spraying area is removed.
8. the spraying method of feeding point according to claim 7, which is characterized in that in step s 6, utilize ultrasonic water
Wash the ink that the non-targeted spraying area is removed with cold water wash.
9. the spraying method of feeding point according to claim 1, which is characterized in that the minimum area of the feeding point is
1mm2。
10. the spraying method of feeding point according to claim 1, which is characterized in that the thickness range of the feeding point is
0.02mm~0.4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627571.2A CN109628873A (en) | 2018-12-28 | 2018-12-28 | A kind of spraying method of feeding point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627571.2A CN109628873A (en) | 2018-12-28 | 2018-12-28 | A kind of spraying method of feeding point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109628873A true CN109628873A (en) | 2019-04-16 |
Family
ID=66079209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627571.2A Pending CN109628873A (en) | 2018-12-28 | 2018-12-28 | A kind of spraying method of feeding point |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190434A (en) * | 2006-11-28 | 2008-06-04 | 佛山市顺德区汉达精密电子科技有限公司 | Hardening product surface spray coating processing technique |
| CN201663229U (en) * | 2010-03-19 | 2010-12-01 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal antenna |
| CN107385377A (en) * | 2017-07-18 | 2017-11-24 | 宇龙计算机通信科技(深圳)有限公司 | The preparation method of antenna feed point and its shower nozzle applied to the method |
| CN108886880A (en) * | 2017-05-12 | 2018-11-23 | 华为技术有限公司 | A kind of metal shell and preparation method thereof, electronic equipment |
| CN108977864A (en) * | 2018-07-27 | 2018-12-11 | 芜湖通潮精密机械股份有限公司 | A kind of process improving etching machine bench top electrode service life |
| CN108998755A (en) * | 2017-06-07 | 2018-12-14 | 深圳市鑫承诺环保产业股份有限公司 | A kind of accurate masking protection technique in 3D glass curve part |
-
2018
- 2018-12-28 CN CN201811627571.2A patent/CN109628873A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101190434A (en) * | 2006-11-28 | 2008-06-04 | 佛山市顺德区汉达精密电子科技有限公司 | Hardening product surface spray coating processing technique |
| CN201663229U (en) * | 2010-03-19 | 2010-12-01 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal antenna |
| CN108886880A (en) * | 2017-05-12 | 2018-11-23 | 华为技术有限公司 | A kind of metal shell and preparation method thereof, electronic equipment |
| CN108998755A (en) * | 2017-06-07 | 2018-12-14 | 深圳市鑫承诺环保产业股份有限公司 | A kind of accurate masking protection technique in 3D glass curve part |
| CN107385377A (en) * | 2017-07-18 | 2017-11-24 | 宇龙计算机通信科技(深圳)有限公司 | The preparation method of antenna feed point and its shower nozzle applied to the method |
| CN108977864A (en) * | 2018-07-27 | 2018-12-11 | 芜湖通潮精密机械股份有限公司 | A kind of process improving etching machine bench top electrode service life |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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