CN111455421B - Local protection method for pore structure in electroplating process - Google Patents
Local protection method for pore structure in electroplating process Download PDFInfo
- Publication number
- CN111455421B CN111455421B CN202010155052.1A CN202010155052A CN111455421B CN 111455421 B CN111455421 B CN 111455421B CN 202010155052 A CN202010155052 A CN 202010155052A CN 111455421 B CN111455421 B CN 111455421B
- Authority
- CN
- China
- Prior art keywords
- rubber sleeve
- hole
- antenna
- screw
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/02—Electroplating of selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/005—Apparatus specially adapted for electrolytic conversion coating
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/022—Anodisation on selected surface areas
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Details Of Aerials (AREA)
Abstract
The invention discloses a local protection method of a mesoporous structure in an electroplating process, which comprises a screw and a rubber sleeve; the rubber sleeve is of a cylindrical structure, an inner hole is formed in the rubber sleeve, and the inner hole and the rubber sleeve are coaxially arranged; the screw is arranged in the rubber sleeve, the thread diameter of the screw is larger than the diameter of the inner hole and smaller than the outer diameter of the rubber sleeve, and the length of the screw is larger than or equal to the depth of the inner hole; the invention successfully realizes the one-time protection of the hole-in-hole structure, has high reliability and solves the problem of local electroplating protection of the antenna; meanwhile, the method is simple and easy to implement, has high speed, and can be popularized to the protection of the wall of other deep through holes, the wall of special-shaped deep holes and the protection of holes in other holes.
Description
Technical Field
The invention relates to the technical field of hole protection, in particular to a local protection method for a hole structure in an electroplating process.
Background
Along with the development of modern radar technology and the continuous progress of antenna manufacturing technology, radar antenna internal cavity, dysmorphism structure complexity constantly improve, especially along with the development trend of active phased array radar, the processing assembly problem in the aspect of the antenna system will be solved in the aspect of, satisfy radar reliability work, on the other hand still need can satisfy antenna system at functional design and three proofings protection design requirement according to radar service environment characteristics, so some parts need local protection to be electroplated. If some parts are plated with only one end, the other parts are plated with other plating layers; some parts need only to be plated with one side surface, and other parts do not allow plating layers and the like, so that local protection plating needs to be carried out on special parts, and a plurality of local protection plating methods are adopted. The existing local electroplating protection methods include a bundling method, a blocking insulation method, a wax coating method, a plating-first retreating method and other feasible local protection methods.
However, the method for protecting the local electroplating of the antenna system with a complex structure, particularly the arrangement of the hole-in-hole structure consisting of the outer hole and the inner conductor jack, is difficult to implement due to the structural characteristics, and the protective glue chips are very easy to fall into the antenna cavity when the protective glue is removed at the later stage, so that the redundant residues are generated and are difficult to remove; the rubber plug is plugged into the jack of the inner conductor, so that the rubber plug rebounds and falls into the antenna cavity due to air expansion caused by high temperature in the electroplating process; in addition, the protection of pore wall is if chooseing conical rubber stopper then can not cover completely for use, only can protect partly pore wall, and the little head of conical plug can't realize shielding effect, chooses cylindrical rubber stopper for use and needs the rubber buffer to be slightly greater than the diameter just can play the shielding effect, but because the frictional force effect between rubber buffer and the pore wall, is difficult to normally fill in.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the invention is that the local protection device for the hole structure in the hole in the electroplating process is provided and comprises a screw and a rubber sleeve; the rubber sleeve is of a cylindrical structure, an inner hole is formed in the rubber sleeve, and the inner hole and the rubber sleeve are coaxially arranged; the screw is arranged in the rubber sleeve, the thread diameter of the screw is larger than the diameter of the inner hole and smaller than the outer diameter of the rubber sleeve, and the length of the screw is larger than or equal to the depth of the inner hole.
Preferably, the end surface of the screw arranged in the rubber sleeve is a plane.
Preferably, the device further comprises a plugging tool, wherein the plugging tool comprises a cylindrical ejector rod, the diameter of the cylindrical ejector rod is smaller than that of the inner hole, and the length of the cylindrical ejector rod is larger than the depth of the inner hole.
Preferably, the local protection method of the mesoporous structure in the electroplating process is characterized in that an antenna component structure is protected by a local protection device of the mesoporous structure in the electroplating process, and the antenna component structure comprises an antenna internal cavity, an inner conductor mounting platform, an antenna mounting surface, an electric connector hole, an inner conductor jack and an antenna radiation surface; the inner conductor mounting platform set up in the antenna internal cavity, the antenna installation face with the antenna radiation face sets up respectively the up end and the lower terminal surface of antenna part structure, the electric connector hole is followed the antenna installation face to the internal cavity of antenna extends and forms the through hole, the inner conductor jack sets up on the inner conductor mounting platform, just the electric connector hole set up in directly over the inner conductor jack, the local protection device of hole structure protects in the electroplating process the electric connector hole with the inner conductor jack.
Preferably, the method comprises the following steps:
s1, selecting the rubber sleeve and the screw according to the diameter and the depth of the electric connector hole;
s2, inserting the rubber sleeve into the inner hole of the rubber sleeve by using the plugging tool, and pressing the rubber sleeve into the electric connector hole until the bottom of the rubber sleeve contacts the inner conductor mounting platform;
and S3, screwing the screw into the inner hole of the rubber sleeve until the bottom of the screw is contacted with the bottom of the inner hole.
Preferably, the outer diameter of the rubber sleeve is equal to or larger than the diameter of the electric connector hole, and the length dimension of the rubber sleeve is larger than the height dimension between the upper port of the electric connector hole and the upper port of the inner conductor jack.
Preferably, the screw has a thread diameter smaller than a diameter of the electric connector hole.
Preferably, the diameter of the cylindrical top rod is larger than that of the inner conductor jack.
Preferably, the rubber sleeve is made of silicon rubber.
Preferably, the screw is made of stainless steel.
Compared with the prior art, the invention has the beneficial effects that: the invention successfully realizes the one-time protection of the hole-in-hole structure, has high reliability and solves the problem of local electroplating protection of the antenna; meanwhile, the method is simple and easy to implement, has high speed, and can be popularized to the protection of the wall of other deep through holes, the wall of special-shaped deep holes and the protection of holes in other holes.
Drawings
FIG. 1 is a schematic view of the structure of a local protection device for a mesoporous structure in the electroplating process;
fig. 2 is a schematic structural diagram of an antenna element structure according to the present invention;
fig. 3 is a schematic view of the use of a local protection device for the mesoporous structure during the electroplating process.
The figures in the drawings represent:
1-stainless steel screws; 2-a silicone rubber sleeve; 3-inserting the rubber sleeve into the tool; 4-solution environment; 5-an antenna internal cavity; 6-inner conductor mounting platform; 7-antenna mounting face; 8-electrical connector holes; 9-inner conductor jack; 10-antenna radiation surface.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1, fig. 1 is a schematic structural diagram of a local protection device of a pore structure in the electroplating process; the local protection device for the hole structure in the electroplating process comprises a stainless steel screw 1, a silicon rubber sleeve 2 and a rubber sleeve plugging tool 3.
The silicone rubber sleeve 2 is a main protective material of the electric connector hole 8, and forms soft contact with the hole wall of the electric connector hole 8 and the upper end face of the port position of the inner conductor jack 9, so that watertight and airtight are realized; the stainless steel screw 1 is a material for providing rigid extrusion supporting force for the silicone rubber sleeve 2, and is arranged in the silicone rubber sleeve 2 to keep the watertight and airtight functions of the silicone rubber sleeve 2 through extrusion; and the rubber sleeve plugging tool 3 plugs the silicon rubber sleeve 2 and the stainless steel screw 1 into the electric connector hole 8 and pushes against the end face of the inner conductor jack 9 without a gap.
Preferably, the silicone rubber sleeve 2 is of a cylindrical structure, an inner hole is formed in the silicone rubber sleeve 2, and the inner hole and the silicone rubber sleeve 2 are coaxially arranged. The outer diameter of the silicone rubber sleeve 2 should be equal to or slightly larger than the diameter of the electric connector hole 8, the length should be slightly larger than the height from the upper edge of the electric connector hole 8 to the upper edge of the inner conductor jack 9, and the wall thickness should be larger than the thread height of the stainless steel screw 1. Because the environment of the technological process is severe, common rubber and vulcanized rubber cannot be selected.
The stainless steel screw 1 is a material for providing extrusion force for the silicon rubber sleeve 2, a national standard universal screw can be selected, the diameter of a thread is slightly larger than the diameter of the inner hole and smaller than the diameter of the silicon rubber sleeve 2 and the diameter of the electric connector hole 8, and the length of the stainless steel screw 1 is larger than or equal to the depth of the inner hole. The end surface of the stainless steel screw 1 arranged in the silicon rubber sleeve 2 is a plane.
Further, the rubber sleeve inserting tool 3 is used for inserting the silicone rubber sleeve 2 into the electric connector hole 8. The rubber sleeve plugging tool 3 comprises a cylindrical ejector rod, the diameter of the cylindrical ejector rod is smaller than the diameter of the inner hole and larger than the diameter of the inner conductor jack 9, and the length of the cylindrical ejector rod is larger than the depth of the inner hole.
Generally, the rubber sleeve plugging tool 3 can be a flat-head cylindrical tool obtained by cutting off the head of a cross screwdriver, and other round bar tools can be selected, so that the standard is that the rubber sleeve plugging tool is convenient to hold and operate. The head of the cylindrical ejector rod needs to be flat and cannot be provided with a pointed end, so that the silicon rubber sleeve 2 is prevented from being pierced.
Example two
As shown in fig. 2, fig. 2 is a schematic structural diagram of an antenna component structure according to the present invention; the antenna component structure to be processed is arranged in a solution environment 4 and comprises an antenna internal cavity 5, an inner conductor mounting platform 6, an antenna mounting surface 7, an electric connector hole 8, an inner conductor jack 9 and an antenna radiation surface 10; antenna radiation face 10 be provided with a large amount of gaps with the inside intercommunication of antenna inner chamber 5, inner conductor mounting platform 6 set up in the antenna inner chamber 5, antenna installation face 7 with antenna radiation face 10 sets up respectively the up end and the terminal surface down of antenna part structure, electric connector hole 8 is followed antenna installation face 7 to antenna inner chamber 5 extends and forms the through hole, inner conductor jack 9 sets up on the inner conductor mounting platform 6, just electric connector hole 8 set up in directly over inner conductor jack 9.
The antenna mounting surface 7 is provided with a plurality of electric connector holes 8, the electric connector holes 8 are communicated with the inside of the antenna inner cavity 5, and the inner conductor jack 9 is a blind hole on the inner conductor mounting platform 6 in the antenna inner cavity 5. According to the anti-radiation requirement of the satellite antenna in the space environment, bright anodic oxidation treatment needs to be carried out on the antenna radiation surface 10 and the inside of the antenna internal cavity 5 to obtain a stable thermal control index, and the electric connector hole 8 and the inner conductor mounting platform 6 on the antenna mounting surface 7 need good conductivity, so that local protection treatment is carried out on the deep hole and the blind hole in the bright anodic oxidation treatment process. The bright anodic oxidation process needs to be carried out by alkaline etching, high-temperature chemical polishing and anodic oxidation, the solution environment subjected to the bright anodic oxidation process is very corrosive, and the requirement on a local protective shielding material is very high. Both the electrical connector bore 8 and the inner conductor receptacle 9 need to be protected.
FIG. 3 is a schematic view of the use of a local protection device for the mesoporous structure during electroplating, as shown in FIG. 3; the invention discloses a local protection method of a pore structure in an electroplating process, which comprises the following steps:
s1, selecting the silicone rubber sleeve 2 and the stainless steel screw 1 with proper specifications according to the diameter and the depth of the electric connector hole 8;
and S2, inserting the rubber sleeve plugging tool 3 into the inner hole of the silicone rubber sleeve 2, and slightly pressing the silicone rubber sleeve 2 into the electric connector hole 8 to be protected until the bottom of the silicone rubber sleeve 2 contacts the inner conductor mounting platform 6.
The rubber sleeve plugging tool 3 has the function of enabling the silicone rubber sleeve 2 to generate certain stretching overall dimension to be reduced, so that a deep hole with the diameter larger than that of the silicone rubber sleeve 2 can be easily entered.
S3, the stainless steel screw 1 is installed in the inner hole of the silicon rubber sleeve 2 until the bottom of the stainless steel screw 1 contacts with the bottom of the inner hole of the silicon rubber sleeve 2 and is screwed down until the stainless steel screw cannot rotate.
The use principle of the invention is as follows: the shielding of the antenna electric connector hole 8 in the bright anodizing process is realized by utilizing the corrosion resistance and high temperature resistance of the silicon rubber and the sealing effect of the silicon rubber after the silicon rubber is contacted with a metal material, and the stainless steel screw 1 is arranged in the silicon rubber sleeve 2 and then extrudes the silicon rubber sleeve 2, so that the silicon rubber sleeve 2 has enough force to keep the silicon rubber sleeve to be in sealing contact with the inner wall of the electric connector hole 8 and the port of the inner conductor jack 9, and the silicon rubber sleeve does not rebound or loosen. The rubber sleeve insertion tool 3 is an auxiliary tool in the method of use.
The invention successfully realizes the one-time protection of the structure with holes in the deep hole, namely the hole in the hole, has high reliability and solves the problem of electroplating local protection of the antenna. Meanwhile, the method is simple and easy to implement, has high speed, and can be popularized to the protection of the wall of other deep through holes, the wall of special-shaped deep holes and the protection of holes in other holes.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A local protection method of a mesoporous structure in an electroplating process is characterized in that an antenna component structure is protected by a local protection device of the mesoporous structure in the electroplating process,
the local protection device of the hole structure in the electroplating process comprises a screw and a rubber sleeve; the rubber sleeve is of a cylindrical structure, an inner hole is formed in the rubber sleeve, and the inner hole and the rubber sleeve are coaxially arranged; the screw is arranged in the rubber sleeve, the thread diameter of the screw is larger than the diameter of the inner hole and smaller than the outer diameter of the rubber sleeve, and the length of the screw is larger than or equal to the depth of the inner hole;
the end surface of the screw arranged in the rubber sleeve is a plane;
the local protection device for the hole structure in the electroplating process further comprises a plugging tool, wherein the plugging tool comprises a cylindrical ejector rod, the diameter of the cylindrical ejector rod is smaller than that of the inner hole, and the length of the cylindrical ejector rod is larger than the depth of the inner hole;
the antenna component structure comprises an antenna inner cavity, an inner conductor mounting platform, an antenna mounting surface, an electric connector hole, an inner conductor jack and an antenna radiation surface; the inner conductor mounting platform set up in the antenna internal cavity, the antenna installation face with the antenna radiation face sets up respectively the up end and the lower terminal surface of antenna part structure, the electric connector hole is followed the antenna installation face to the internal cavity of antenna extends and forms the through hole, the inner conductor jack sets up on the inner conductor mounting platform, just the electric connector hole set up in directly over the inner conductor jack, the local protection device of hole structure protects in the electroplating process the electric connector hole with the inner conductor jack.
2. A method for the local protection of a pore structure in an electroplating process according to claim 1, comprising the steps of:
s1, selecting the rubber sleeve and the screw according to the diameter and the depth of the electric connector hole;
s2, inserting the rubber sleeve into the inner hole of the rubber sleeve by using the plugging tool, and pressing the rubber sleeve into the electric connector hole until the bottom of the rubber sleeve contacts the inner conductor mounting platform;
and S3, screwing the screw into the inner hole of the rubber sleeve until the bottom of the screw is contacted with the bottom of the inner hole.
3. A method of locally protecting a mesoporous structure in an electroplating process according to claim 1, wherein the outer diameter of the rubber sleeve is equal to or greater than the diameter of the electrical connector hole, and the length dimension of the rubber sleeve is greater than the height dimension between the upper port of the electrical connector hole and the upper port of the inner conductor jack.
4. A method of local protection of a hole structure in an electroplating process as claimed in claim 1, characterized in that the screw thread diameter is smaller than the diameter of the electrical connector hole.
5. A method of locally protecting a mesoporous structure in an electroplating process according to claim 1, wherein the diameter of said cylindrical mandrel is greater than the diameter of said inner conductor receptacle.
6. A method for local protection of a mesoporous structure in an electroplating process according to claim 1, characterized in that said rubber sleeve is made of silicone rubber.
7. A method for locally protecting a mesoporous structure during electroplating according to claim 1, wherein said screw is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155052.1A CN111455421B (en) | 2020-03-05 | 2020-03-05 | Local protection method for pore structure in electroplating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155052.1A CN111455421B (en) | 2020-03-05 | 2020-03-05 | Local protection method for pore structure in electroplating process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111455421A CN111455421A (en) | 2020-07-28 |
| CN111455421B true CN111455421B (en) | 2021-06-25 |
Family
ID=71677319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010155052.1A Active CN111455421B (en) | 2020-03-05 | 2020-03-05 | Local protection method for pore structure in electroplating process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111455421B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808055B (en) * | 2022-04-02 | 2023-07-04 | 中国电子科技集团公司第三十八研究所 | Local electroplating protection device and method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63179096A (en) * | 1987-01-20 | 1988-07-23 | Mitsubishi Electric Corp | Method and device for surface-treating aluminum or aluminum alloy |
| CN205420582U (en) * | 2016-03-14 | 2016-08-03 | 信质电机股份有限公司 | Stopper in internal expanding type |
| CN205529079U (en) * | 2016-03-18 | 2016-08-31 | 厦门捷讯传动轮机械有限公司 | Hole plugging device |
| CN205821480U (en) * | 2016-06-30 | 2016-12-21 | 龚典局 | Al alloy parts screwed hole protection plug in anode oxidation process |
| CN106868564B (en) * | 2017-01-24 | 2018-04-20 | 西安天奥新材料科技有限公司 | The good aluminium alloy spinning cup manufacture method of wearability and the spinning cup of this method manufacture |
| CN208960192U (en) * | 2018-09-30 | 2019-06-11 | 深圳市佳盈通电子科技有限公司 | High temperature gum cover |
| CN209049596U (en) * | 2018-09-30 | 2019-07-02 | 深圳市佳盈通电子科技有限公司 | T-type plug |
| CN208820089U (en) * | 2018-10-17 | 2019-05-03 | 德尔特微波电子(南京)有限公司 | Radio frequency (RF) coaxial connector mechanical fixed structure |
| CN110224249A (en) * | 2019-07-09 | 2019-09-10 | 镇江市华展电子科技有限公司 | A kind of radio frequency connector |
-
2020
- 2020-03-05 CN CN202010155052.1A patent/CN111455421B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111455421A (en) | 2020-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2093576A1 (en) | Conductive contact holder, conductive contact unit and method for manufacturing conductive contact holder | |
| JP3211820U (en) | Precious metal alloy contacts | |
| CN111455421B (en) | Local protection method for pore structure in electroplating process | |
| WO2008118222A3 (en) | Selective electroless deposition for solar cells | |
| US20170059611A1 (en) | Coaxial integrated circuit test socket | |
| KR101978279B1 (en) | Low-profile spring-loaded contacts | |
| EP2647088B1 (en) | Electrical connector with embedded shell layer | |
| CA2646189A1 (en) | Noble metal plating of titanium components | |
| KR20150003863U (en) | Flexible connector receptacles | |
| KR20170035778A (en) | Low-profile power and data contacts | |
| CN106936008A (en) | A kind of radio frequency coaxial electric connector with fast locking device | |
| EP3260365B1 (en) | Pressure vessel penetrator isolation device | |
| JP2009218455A (en) | Electronic apparatus and onboard module | |
| KR20160148097A (en) | Pcr device and manufacturing method thereof | |
| WO2017112037A1 (en) | Coated probe tips for plunger pins of an integrated circuit package test system | |
| CN108134230A (en) | A kind of hot-swappable electric connector | |
| US6814632B1 (en) | Electrical connector system having contact body with integral nonmetallic sleeve | |
| EP2498345A1 (en) | Connector | |
| CN206211211U (en) | It is a kind of highly reliable without floating BMA K-type connectors | |
| EP1593291A4 (en) | Circuit board and socket assembly | |
| CN210650489U (en) | Mounting tool of bowl-shaped plug | |
| US10673161B1 (en) | Conductive connector | |
| US10587068B1 (en) | Tool-less environmental connector sealing plug | |
| CN205790800U (en) | A kind of BMA type radio frequency (RF) coaxial connector with little spatial connection structure | |
| US20040053542A1 (en) | Method for improving a link between a contact and strands of a cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |