CN105870570A - Preparation method of composite material resonant column - Google Patents
Preparation method of composite material resonant column Download PDFInfo
- Publication number
- CN105870570A CN105870570A CN201610200770.XA CN201610200770A CN105870570A CN 105870570 A CN105870570 A CN 105870570A CN 201610200770 A CN201610200770 A CN 201610200770A CN 105870570 A CN105870570 A CN 105870570A
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- CN
- China
- Prior art keywords
- resonant column
- preparation
- carried out
- base substrate
- column base
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/008—Manufacturing resonators
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroplating Methods And Accessories (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemically Coating (AREA)
Abstract
The invention relates to the technical field of communication, and in particular to a preparation method of a composite material resonant column. The method comprises the following steps: carrying out stretch forming on a metal composite board with a surface function layer according to a mold and forming a resonant column body with a predetermined shape; carrying out surface treatment on the resonant column body to obtain a clean and polished surface; carrying out chemical sealing treatment on the resonant column body after surface treatment and completely covering the outer surface of the resonant column body with a functional seal layer; plating the outer surface of the seal layer with silver to generate a silver coating; and carrying out surface protection on the surface of the silver coating. Multiple-electroplating is not needed in the preparation process of the resonant column; the manufacturing cost and the production labor hours are reduced; electroplated liquid residues and enrichment of mixed elements are reduced; and the conductivity of the resonant column is greatly improved.
Description
Technical field
The present invention relates to communication technical field, be specifically related to the preparation method of a kind of composite resonant column。
Background technology
Along with the development of mobile communication technology, the passive filter in communication base station system filter signal, screen, suppressed the most increasingly comes into one's own, and the requirement to the manufacturing process of wave filter is more and more higher.Passive filter used by communication base station system mainly includes resonant cavity, resonant column, cover plate, tuning screw etc., and wherein resonant column is one of topmost parts.By resonant column is fixed on inside resonant cavity, and with cover plate and be deep into inside cavity tuning screw between the tuning and the selection that coordinate to carry out frequency.
Resonant column is topmost parts in wave filter, and the character such as its thermal coefficient of expansion, surface conductivity and corrosion resistance decides the performance of wave filter.The preparation method of traditional resonant column mainly by metal steel through turnning and milling or drawing and forming, to reach required electric conductivity after carrying out surface process, electro-coppering and electrosilvering the most respectively.In electroplating process, being frequently present of the problem such as enrichment of electroplate liquid residual and miscellaneous element, plating number of times is the most, and it is the biggest to the performance impact of coating, and plating repeatedly needs to spend longer man-hour, and the production cost of resonant column can be made to dramatically increase。
Summary of the invention
For overcoming drawbacks described above, the purpose of the present invention is i.e. to provide the preparation method of a kind of composite resonant column.
It is an object of the invention to be achieved through the following technical solutions:
The present invention is the preparation method of a kind of composite resonant column, including:
Metallic composite panel is carried out drawing and forming according to mould so that it is become the resonant column base substrate with reservation shape；
Described resonant column base substrate is carried out surface process, to remove the impurity on its surface；
After processing through surface, resonant column base substrate is carried out chemistry sealing treatment, makes intactly to be coated with on the outer surface of resonant column base substrate functional confining bed；
Surface protection is carried out on the surface of functional confining bed.
Further, the described surface at functional confining bed includes before carrying out surface protection:
Functional confining bed is carried out silver-plated, make to generate on functional confining bed have silver coating
,
The thickness of its silver coating is
0-10
μ
m
。
Further, the described chemistry sealing treatment that carries out resonant column base substrate includes:
Resonant column base substrate is immersed in chemistry confining liquid, and be at
10-60
℃
Reaction condition under oscillation treatment, described vibration processing time a length of
1-60
Minute；
After carrying out oscillation treatment, resonant column base substrate chemically confining liquid will take out, and with deionized water, it is carried out.
Further, described chemistry confining liquid by
5-50
Part mantoquita,
3-30
Part chelating agent,
100
Part water composition.
Further, described mantoquita includes: inorganic mantoquita or organic copper salt；Described chelating agent includes: one or more in amino carboxylic acid and salt, hydroxyaminocarboxylic acids and salt thereof, carboxylate, ethanolamines, ammonia, thiosulfate, pyrophosphate and carbamide.
Further, described described resonant column base substrate is carried out surface process, to obtain the surface of cleaning light, including:
Oil removing, chemical polishing and pickling processes is carried out, to remove the dirty and oil stain on its surface on the surface of described resonant column base substrate.
Further, described metallic composite panel is combined by structure sheaf and functional layer and constitutes；Described functional layer is coated on side or the both sides of structure sheaf, and described structure sheaf is made up of ferrum, aluminum or zinc and alloy thereof；Described functional layer is made up of copper or its alloy.
Further, the thickness of described structure sheaf is not less than the thickness of described functional layer, and described structure sheaf accounts for described metallic composite panel integral thickness
50-99.5%
；Described functional layer accounts for described metallic composite panel integral thickness
50-0.5%
。
Further, described metallic composite panel carried out drawing and forming according to mould include:
Metallic composite panel is carried out continuous stamping and drawing according to mould, then it is carried out surface deburring process.
Further, the described surface at silver coating carries out surface protection and includes:
Carry out on the surface of silver coating soaking bright and
/
Or Passivation Treatment.
The present invention is made without repeatedly electroplating in the preparation process of resonant column, decreases manufacturing cost and production hour, and which reduces electroplate liquid residual and the enrichment of miscellaneous element, greatly improves the electric conductivity of resonant column.
Accompanying drawing explanation
For ease of explanation, the present invention is described in detail by following preferred embodiment and accompanying drawing.
Figure
1
Workflow schematic diagram for the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to figure
1
, the present invention is the preparation method of a kind of composite resonant column, comprising:
101.
Plate forming
Metallic composite panel is carried out drawing and forming according to mould so that it is become the resonant column base substrate with reservation shape；Wherein, Shape correction includes: continuous stamping and drawing, then it is carried out surface deburring process.
Described metallic composite panel is combined by structure sheaf and functional layer and constitutes；The quantity of described functional layer is one layer or two-layer, is combined into one well by rolling mill practice between each layer, and by the difference of its number of plies, it is respectively coated by the side of structure sheaf or both sides；Its structure sheaf is made up of ferrum, aluminum or zinc and alloy thereof；Described functional layer is made up of copper or its alloy, and it can be pyrite or red copper, preferably red copper；And the thickness of described structure sheaf is not less than the thickness of described functional layer, described structure sheaf accounts for described metallic composite panel integral thickness
50-99.5%
；Described functional layer accounts for described metallic composite panel integral thickness
50-0.5%
。
102.
Surface processes
Described resonant column base substrate is carried out surface process, to remove the impurity on its surface；The mode that its surface processes includes: carry out oil removing, chemical polishing and pickling processes on the surface of described resonant column base substrate, to remove the dirty and oil stain on its surface, it is thus achieved that the surface of cleaning light.
103.
Chemistry is closed
After processing through surface, resonant column base substrate is carried out chemistry sealing treatment, makes intactly to be coated with on the outer surface of resonant column base substrate functional confining bed；
Wherein, the described chemistry sealing treatment that carries out resonant column base substrate includes:
Resonant column base substrate is immersed in chemistry confining liquid, and be at
10-60
℃
Reaction condition under carry out oscillation treatment, described vibration processing time a length of
1-60
Minute；
After carrying out oscillation treatment, resonant column base substrate chemically confining liquid will take out, and with deionized water, it is carried out, clean at least
2
Secondary.
And described chemistry confining liquid by
5-50
Part mantoquita,
3-30
Part chelating agent,
100
Part water composition；Described mantoquita includes: inorganic mantoquita or organic copper salt；Described chelating agent includes: one or more in amino carboxylic acid and salt, hydroxyaminocarboxylic acids and salt thereof, carboxylate, ethanolamines, ammonia, thiosulfate, pyrophosphate and carbamide.
Owing to, during using metallic composite panel to prepare resonant column, its base structural layer can be exposed to the edge of product and affect the performance of resonant column, as reduced electrical conductivity, getting rusty.Above-mentioned problems limit metallic composite panel application during manufacturing resonant column, therefore, composite board is carried out closing and avoids the exposed of parent metal by the mode being used herein as chemistry closing, it is to avoid utilize metallic composite panel produced defect during preparing resonant column；Additionally, the composite board after Feng Biing has good surface property.
104.
Electroplate
Functional confining bed is carried out silver-plated so that generating silver coating on functional confining bed, the thickness of its silver coating is
0-10
μ
m
；The needs that user can produce according to it, choose whether product is carried out electroplate；
105.
Surface protection
Surface protection is carried out on the surface of functional confining bed.
Wherein, surface protection includes: carry out on surface soaking bright and
/
Or Passivation Treatment, thus prepare surface functional layer of good performance.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention。
Claims (10)
1. the preparation method of a composite resonant column, it is characterised in that including:
Metallic composite panel is carried out drawing and forming according to mould so that it is become the resonant column base substrate with reservation shape；
Described resonant column base substrate is carried out surface process, to remove the impurity on its surface；
After processing through surface, resonant column base substrate is carried out chemistry sealing treatment, makes intactly to be coated with on the outer surface of resonant column base substrate functional confining bed；
Surface protection is carried out on the surface of functional confining bed.
The preparation method of composite resonant column the most according to claim 1, it is characterised in that the described surface at functional confining bed includes before carrying out surface protection:
Carrying out silver-plated on functional confining bed, make to generate on functional confining bed have silver coating, the thickness of its silver coating is 0-10 μm.
The preparation method of composite resonant column the most according to claim 2, it is characterised in that the described chemistry sealing treatment that carries out resonant column base substrate includes:
Resonant column base substrate is immersed in chemistry confining liquid, and makes it carry out oscillation treatment under the reaction condition of 10-60 DEG C, described vibration processing time a length of 1-60 minute；
After carrying out oscillation treatment, resonant column base substrate chemically confining liquid will take out, and with deionized water, it is carried out.
The preparation method of composite resonant column the most according to claim 3, it is characterised in that described chemistry confining liquid is by 5-50 part mantoquita, 3-30 part chelating agent, 100 parts of water compositions.
The preparation method of composite resonant column the most according to claim 4, it is characterised in that described mantoquita includes: inorganic mantoquita or organic copper salt；Described chelating agent includes: one or more in amino carboxylic acid and salt, hydroxyaminocarboxylic acids and salt thereof, carboxylate, ethanolamines, ammonia, thiosulfate, pyrophosphate and carbamide.
The preparation method of composite resonant column the most according to claim 5, it is characterised in that described described resonant column base substrate is carried out surface process include:
Oil removing, chemical polishing and pickling processes is carried out, to remove the dirty and oil stain on its surface on the surface of described resonant column base substrate.
The preparation method of composite resonant column the most according to claim 6, it is characterised in that described metallic composite panel is combined by structure sheaf and functional layer and constitutes；Described functional layer is coated on side or the both sides of structure sheaf；Described structure sheaf is made up of ferrum, aluminum or zinc and alloy thereof；Described functional layer is made up of copper or its alloy.
The preparation method of composite resonant column the most according to claim 7, it is characterised in that the thickness of described structure sheaf is not less than the thickness of described functional layer, and described structure sheaf accounts for the 50-99.5% of described metallic composite panel integral thickness；Described functional layer accounts for the 50-0.5% of described metallic composite panel integral thickness.
The preparation method of composite resonant column the most according to claim 8, it is characterised in that described metallic composite panel is carried out drawing and forming according to mould, including:
Metallic composite panel is carried out continuous stamping and drawing according to mould, then it is carried out surface deburring process.
The preparation method of composite resonant column the most according to claim 9, it is characterised in that the described surface at silver coating carries out surface protection and includes:
Carry out soaking bright and/or Passivation Treatment on the surface of silver coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200770.XA CN105870570A (en) | 2016-04-01 | 2016-04-01 | Preparation method of composite material resonant column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610200770.XA CN105870570A (en) | 2016-04-01 | 2016-04-01 | Preparation method of composite material resonant column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105870570A true CN105870570A (en) | 2016-08-17 |
Family
ID=56627683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610200770.XA Pending CN105870570A (en) | 2016-04-01 | 2016-04-01 | Preparation method of composite material resonant column |
Country Status (1)
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|---|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654499A (en) * | 2016-10-18 | 2017-05-10 | 苏州欣天新精密机械有限公司 | Preparation method of carbon material resonance column |
| CN109370185A (en) * | 2018-10-15 | 2019-02-22 | 西安交通大学 | A kind of preparation method of polymer composite planar resonator |
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| CN109370185A (en) * | 2018-10-15 | 2019-02-22 | 西安交通大学 | A kind of preparation method of polymer composite planar resonator |
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Application publication date: 20160817 |