CN206356685U - The metal contact reaction brazing structure of superfine pipe - Google Patents
The metal contact reaction brazing structure of superfine pipe Download PDFInfo
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- CN206356685U CN206356685U CN201621487970.XU CN201621487970U CN206356685U CN 206356685 U CN206356685 U CN 206356685U CN 201621487970 U CN201621487970 U CN 201621487970U CN 206356685 U CN206356685 U CN 206356685U
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- metal
- superfine
- pipe
- superfine pipe
- contact reaction
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Abstract
The utility model discloses a kind of metal contact reaction brazing structure of superfine pipe, it includes the superfine pipe of a metal, the superfine pipe of metal includes mutually corresponding to the reacting metal layer for being coated with two parts of laminating, the composition surface of one of part of the superfine pipe of metal and metallurgical reaction occurring with the superfine pipe of the metal；Two parts of the superfine pipe of metal are placed in weld jig, and the weld jig compresses two parts of the superfine pipe of metal.The metal contact reaction brazing structure of superfine pipe of the present utility model can improve the welding quality of the superfine pipe of metal, it is ensured that the weld strength and sealing property of the superfine pipe of metal.
Description
Technical field
The utility model is related to a kind of braze-welded structure, more particularly, to a kind of pole for the efficient welding that can realize superfine pipe
The metal contact reaction brazing structure of tubule.
Background technology
Nowadays the electronic market that development speed makes rapid progress, various electronic products emerge in an endless stream, and small-sized for component
The requirement of change is then more and more urgent, in metal component, have it is many need to realize by erection welding technique it is good strong
Degree and sealing effectiveness, for example, micro-pipe heat exchanger etc., the diameter of pipeline only has 1mm, internal diameter is 0.5mm, while needing to fill out in pipe
Wire netting is filled, in the combined process of this superfine metal tube, conventional common method for welding, because pipeline is meticulous, weldering
The coating of the bed of material it is necessary to have certain thickness, meanwhile, the melting of solder can cause the situation of the product rejections such as the blocking of pipeline,
The welding requirements of this superfine pipe can not be realized.Further, such superfine pipe needs just to process Curved before welding
Shape, otherwise carries out bending machining again after having welded, the damage for easily occurring superfine pipe.
Utility model content
The technical problem that the utility model is solved is to provide a kind of metal contact reaction brazing structure of superfine pipe, realizes small
The pairing welding of the superfine pipe of metal of bore, does not damage with higher intensity and test specimen.
Technical solution of the present utility model is：
A kind of metal contact reaction brazing structure of superfine pipe, wherein, it includes the superfine pipe of a metal, and the metal is superfine
Pipe includes mutually correspond to the two parts fitted, and being coated with the composition surface of one of part of the superfine pipe of metal can be with
The reacting metal layer of metallurgical reaction occurs for the superfine pipe of metal；Two parts of the superfine pipe of metal are placed in weld jig,
The weld jig compresses two parts of the superfine pipe of metal.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, two parts of the superfine pipe of metal are
The two parts split along its axis direction.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, two parts of the superfine pipe of metal are
Have the metal for being capable of mutually fit joint superfine along the two sections of superfine pipes of metal blocked perpendicular to its axis direction or for two sections
Pipe.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, in two parts of the superfine pipe of the metal
Two composition surfaces on be coated with reacting metal layer.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, the superfine pipe of metal is copper pipe, described
Reacting metal layer is silver plated metals layer.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, the superfine pipe external diameter of metal is less than etc.
In 2mm.
The metal contact reaction brazing structure of superfine pipe as described above, wherein, it is filled with not in the superfine pipe of metal
Become rusty steel mesh.
Learnt by described above, the utility model can reach following effect compared with prior art, really：
The metal contact reaction brazing structure of superfine pipe of the present utility model, by preset welding structure, is provided with anti-
Answer metal level in the composition surface that superfine metal tube needs are engaged, assembling completes welding structure so that after the completion of welding
The superfine pipe of metal has higher metal tube intensity and sealing property, and solder side neatly and orderly, because reacting metal layer is relatively thin,
It is tubular carefully and neatly done after metal tube shaping, it will not be deformed.
Brief description of the drawings
Fig. 1 is the structural representation of the metal contact reaction brazing structure preferred embodiment of superfine pipe of the present utility model；
Fig. 2 is the structural representation of another embodiment of metal contact reaction brazing structure of superfine pipe of the present utility model.
Main element label declaration：
The utility model：
1：The superfine pipe 2 of metal：Reacting metal layer 3：Composition surface
Embodiment
The utility model is perfect to realize by the way that contact reaction brazing is applied into the soldering technique of specific superfine pipe
The welding requirements of superfine pipe, reaches the intensity and seal request of superfine pipe product.Contact reaction brazing is to utilize some xenogenesis
The characteristics of metal can form eutectic, it is good and under conditions of being heated above eutectic temperature in interracial contact reaction, by metal
Interatomic counterdiffusion forms eutectic reaction liquid-metal layer, subsequent condensation-crystallization, so that metal is connected in interface
Method.That is contact reaction brazing is a kind of liquid phase alloy produced by eutectic reaction of dependence storeroom come the company of realization
The soldering tech connect.Contact reaction brazing is metallurgical reaction (such as eutectic reaction or formation eutectic solid solution) production by storeroom
Liquid phase is given birth to realize the connection of material.Eutectic reaction in metallography refers to have at a certain temperature the liquid phase of certain ingredients to close
Gold crystallizes out the crystallization process of the solid phase respectively with two with certain ingredients simultaneously.Contact reaction brazing is in turn when two
When individual solid phase contacts phase counterdiffusion and reaches certain ingredients at a certain temperature, certain ingredients will be produced in both interfaces
Liquid phase alloy, so as to realize the effect being welded to connect.
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Embodiment of the present utility model.
Refer to shown in Fig. 1, be the metal contact reaction brazing structure preferred embodiment of superfine pipe of the present utility model
Structural representation, it is preferably in embodiment, including the superfine pipe 1 of a metal, and the superfine pipe 1 of metal includes can be mutually right
Being coated with the two parts that should be fitted, the composition surface 3 of one of part of the superfine pipe 1 of metal can be with the superfine pipe of the metal
1 occurs the reacting metal layer 2 of metallurgical reaction；Two parts of the superfine pipe 1 of metal are placed in weld jig, the weld jig
Compress two parts of the superfine pipe 1 of the metal.In the braze-welded structure, the superfine pipe 1 of metal is by that can correspond to laminating
Two parts composition surface 3 on be coated with reacting metal layer 2, and be incorporated into together, be placed in weld jig and consolidated
Clamp is tight, is then placed in add in soldering oven and enters row metal contact reaction brazing.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, the metal is superfine
Two parts of pipe 1 are the two parts split along its axis direction.As shown in figure 1, the superfine pipe 1 of metal is to be divided into two vertically
Half metal tube, according to product requirement, it is necessary to be welded into the metal tube of an entirety, the utility model is by plating reaction gold
The structure of category layer 2 realizes the welding process requirement of superfine pipe, it is to avoid blocked after superfine pipe welding and the situation of deformation occurs.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, the metal is superfine
Two parts of pipe 1 are along the superfine pipe 1 of two sections of metals that is blocked perpendicular to its axis direction or are two sections have being capable of mutual fit
The superfine pipe 1 of metal of joint.In this embodiment, the combination of the metal tube is welded for the end engagement of two segment pipes,
Using the metal contact reaction brazing structure of superfine pipe of the present utility model, composition surface 3 is coated with reacting metal layer 2, and by its
Clamped using weld jig, in feeding soldering oven, enter row metal contact reaction brazing.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, in the metal pole
Reacting metal layer 2 is coated with two-part two composition surfaces 3 of tubule 1.Need two composition surfaces 3 of solder joints equal
Reacting metal layer 2 can be coated with simultaneously, further avoided breach during reacting metal 2 coating of layer, caused welding insufficient
The problem of.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, the metal is superfine
Pipe 1 is copper pipe, and the reacting metal layer 2 is silver plated metals layer.In specific one embodiment, the superfine pipe 1 of metal is soft
The property very preferable copper pipe of heat conductivility, for making various accurate heat dissipation equipments, by silver-plated on the composition surface 3 of copper pipe,
Reacting metal layer 2 is formed, makes two composition surfaces 3 of the divided copper pipe of two halves by realizing welding effect with the haptoreaction of argent
Really, make copper pipe that integrally there is higher intensity and sealing, meanwhile, superfine copper pipe will not be blocked, the technological requirement of product is realized.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, the metal is superfine
The external diameter of pipe 1 is less than or equal to 2mm.In general, the external diameter of the superfine pipe 1 of metal is generally less than 2mm, specifically as external diameter is
1mm and the superfine pipe 1 of metal that internal diameter is 0.5mm, when it is needed by solder joints, using welding structure of the present utility model,
It can be good at reaching the performance requirements of the superfine pipe of metal.
In the metal contact reaction brazing structure of superfine pipe as described above, its preferred embodiment, the metal is superfine
Stainless (steel) wire is filled with pipe.In this embodiment, be also filled with to radiate or strengthen in the superfine pipe of metal heat transfer etc.
The metal charge of function, and these metal charges can not be fully bonded together, otherwise just lose increase heating surface
Effect, can not therefore block the superfine pipe of metal.
The metal contact reaction brazing structure of superfine pipe of the present utility model as described above, can be by superfine point of bore
Body pipeline effectively welds together, with higher weld strength, while not blocking pipeline, pipeline profile is carefully and neatly indeformable,
With higher feature.
The schematical embodiment of the utility model is the foregoing is only, model of the present utility model is not limited to
Enclose.Any those skilled in the art, the made equivalent change on the premise of design of the present utility model and principle is not departed from
Change and change, the scope of the utility model protection all should be belonged to.
Claims (7)
1. the metal contact reaction brazing structure of a kind of superfine pipe, it is characterised in that it includes the superfine pipe of a metal, the metal
Superfine pipe includes mutually corresponding to be coated with two parts of laminating, the composition surface of one of part of the superfine pipe of metal
The reacting metal layer of metallurgical reaction can occur with the superfine pipe of the metal；Two parts of the superfine pipe of metal are placed in weld jig
In, the weld jig compresses two parts of the superfine pipe of metal.
2. the metal contact reaction brazing structure of superfine pipe as claimed in claim 1, it is characterised in that the superfine pipe of metal
Two parts be along its axis direction split two parts.
3. the metal contact reaction brazing structure of superfine pipe as claimed in claim 1, it is characterised in that the superfine pipe of metal
Two parts be along two sections of superfine pipes of metal being blocked perpendicular to its axis direction or be two sections have being capable of mutual fit joint
The superfine pipe of metal.
4. the metal contact reaction brazing structure of superfine pipe as claimed in claim 2 or claim 3, it is characterised in that in the metal
Reacting metal layer is coated with two-part two composition surfaces of superfine pipe.
5. the metal contact reaction brazing structure of superfine pipe as claimed in claim 4, it is characterised in that the superfine pipe of metal
For copper pipe, the reacting metal layer is silver plated metals layer.
6. the metal contact reaction brazing structure of superfine pipe as claimed in claim 5, it is characterised in that the superfine pipe of metal
External diameter is less than or equal to 2mm.
7. the metal contact reaction brazing structure of superfine pipe as claimed in claim 6, it is characterised in that the superfine pipe of metal
Inside it is filled with stainless (steel) wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487970.XU CN206356685U (en) | 2016-12-30 | 2016-12-30 | The metal contact reaction brazing structure of superfine pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621487970.XU CN206356685U (en) | 2016-12-30 | 2016-12-30 | The metal contact reaction brazing structure of superfine pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356685U true CN206356685U (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621487970.XU Active CN206356685U (en) | 2016-12-30 | 2016-12-30 | The metal contact reaction brazing structure of superfine pipe |
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| CN (1) | CN206356685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672865A (en) * | 2018-04-16 | 2018-10-19 | 中国电子科技集团公司第十研究所 | A kind of silk screen method for welding |
-
2016
- 2016-12-30 CN CN201621487970.XU patent/CN206356685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672865A (en) * | 2018-04-16 | 2018-10-19 | 中国电子科技集团公司第十研究所 | A kind of silk screen method for welding |
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