CN203738223U - Hot extrusion and welding device for liquid-solid interface of metal - Google Patents
Hot extrusion and welding device for liquid-solid interface of metal Download PDFInfo
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- CN203738223U CN203738223U CN201420110685.0U CN201420110685U CN203738223U CN 203738223 U CN203738223 U CN 203738223U CN 201420110685 U CN201420110685 U CN 201420110685U CN 203738223 U CN203738223 U CN 203738223U
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- metal
- accommodating cavity
- hot extrusion
- welding
- molten metal
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 85
- 239000002184 metal Substances 0.000 title claims abstract description 85
- 238000001192 hot extrusion Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 title abstract description 36
- 239000007787 solid Substances 0.000 title abstract description 6
- 239000000498 cooling water Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 238000010438 heat treatment Methods 0.000 abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 206010067484 Adverse reaction Diseases 0.000 abstract 1
- 230000006838 adverse reaction Effects 0.000 abstract 1
- 229910000679 solder Inorganic materials 0.000 description 15
- 230000006698 induction Effects 0.000 description 13
- 238000003825 pressing Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000001816 cooling Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002905 metal composite material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Abstract
The utility model relates to the field of a metal combination technology, in particular to a hot extrusion and welding device for a liquid-solid interface of metal. The hot extrusion and welding device is characterized by comprising at least one weldment accommodating cavity used for embedding metal pieces, a heating device and a pressure device, wherein the heating device and the pressure device are both located on one side of the accommodating cavity. The hot extrusion and welding device for the liquid-solid interface of metal has the advantages as follows: the device can be applicable to welding of dissimilar or similar metal pieces, is high in welding speed and welding strength, is suitable for welding of various size-combined areas, and can weld the metal piece with any complicated shape; the device can prevent an adverse reaction between a metal piece welding surface and oxygen and hydrogen in the air in a welding process; and the whole welding process is simple and effective, and the device is suitable for flow line production.
Description
Technical field
The utility model relates to the combined process field of metal, is specifically related to molten metal solid-state interface hot extrusion welder.
Background technology
Dissimilar metal integrated structure part has foreign material comprehensive good physics, mechanics, mechanical performance concurrently.At power electronics industrial circle, have a wide range of applications.The physical and chemical performance of dissimilar metal there are differences to welding and has brought difficulty.At present, industrial method and the technique that can realize dissimilar metal combination have welding and casting to forge two large classes, and welder comprises friction welding (FW), soldering, diffusion welding (DW), explosive welding (EW) etc.Casting forging method comprises subdues state cold-forging method, hot extrusion method and casting die etc.Above-mentioned welder is mainly applicable to large area, welding or the combination of the dissimilar metal part of large volume.Ultrasonic brazing unit, because of the restriction of power, is mainly used in wire harness, the welding of the electronic devices such as binding post.And method for welding also cannot reach the requirement of some product aspect metal bond strength.
Patent 200510008353 " for the liquid phase diffusion bond method and apparatus of dissimilar metal plate " has been introduced and has been utilized pressure roll to exert pressure, and adopts two circulating type high-frequency induction heating coils eutectic liquid phase diffusion bond method to dissimilar metal heating respectively; This invention adopts two cover high-frequency induction heating coils respectively to dissimilar metal, be galvanized steel plain sheet and aluminium alloy plate, heat, too high temperature can cause low-intensity and the distortion of base material, therefore the maximum temperature of binding site is controlled at below 550 ℃, and dissimilar metal plate has been applied to the pressure of tens of MPas, to guarantee bond strength.Because heater coil is placed on metallic plate back, the method is only applicable to the welding of board-like material, cannot be to complicated shape, or thicker metalwork is realized welding.
Patent 201110448262 discloses a kind of dissimilar metal composite joint preparation method, and the method, according to liquid/solid phases diffusion principle, adopts low melting point liquid metal to the diffusion interconnection technique of refractory metal.Realize the seamless metallurgical binding of dissimilar metal.Because this welder is to adopt crucible to realize in vacuum furnace, complex process, the process cycle time is long, very difficult realization streamline welding cheaply.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art, molten metal solid-state interface hot extrusion welder is provided, by heater, the solder side heating of two metalworks is made to its fusing and other positions of metalwork by the cooling solid state that still keeps of cooling device; The oxide impurity of metalwork surface melting layer, under the effect of pressure apparatus, is extruded solder side, has realized the effective welding between two metalworks.
The utility model object realizes and being completed by following technical scheme:
A kind of molten metal solid-state interface hot extrusion welder, for two metalworks are integrally welded, it is characterized in that: described welder has at least one for weldment accommodating cavity, heater and the pressure apparatus of metalwork described in setting-in, described heater and described pressure apparatus are all positioned at described accommodating cavity one side.
Described heater is positioned at opening one side of described accommodating cavity.
Described heater carries laminate by heater coil and magnetic conduction and forms.
Described magnetic conduction carry laminate can by some thin silicon steel plates stack locking connect and compose, can be also the sintered moulded body of soft magnetic ferrite or soft magnetic composite powder material.
Described pressure apparatus is positioned at a side of described accommodating cavity, and the application of force direction of described pressure apparatus is identical with the normal direction of described accommodating cavity.
Described accommodating cavity periphery is provided with cooling water channel.
Between described heater and described accommodating cavity, be provided with a heat insulation briquetting.
Described welder has two described weldment accommodating cavities, and two described accommodating cavity openings are setting in opposite directions.
The utility model has the advantages that:
1. Fast Heating has been avoided the excessive generation of intermetallic compound on faying face, has improved weld strength;
2. be applicable to the welding of various sizes bonded area, broken through flash welding, electric resistance welding, friction welding (FW), the limitation aspect bonding area size;
3. adopted according to the extrusion die of welded part shape design, can weld the metalwork of any complicated shape; For example: can directly carry out the butt welding of moulding aluminium alloy radiating fin and copper coin;
4. different-metal material welding faying face is all the time in pressure-bearing fit-state, avoided the reaction that in faying face ingress of air, oxygen and hydrogen produce, without vacuum atmosphere, without inert gas shielding;
5. welding procedure is simple, and cost is low, uses standardized equipment in technical process, or the standardized equipment of transformation, easily realizes welding process automation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model structural representation in use;
Fig. 3 has the heater coil structural representation that magnetic conduction carries laminate in the utility model;
Fig. 4 is the structural representation that in the utility model, magnetic conduction carries laminate;
Fig. 5 is the principle schematic I of heater coil in the utility model;
Fig. 6 is the principle schematic II of heater coil in the utility model;
Fig. 7 is the use schematic diagram of weldment pressing mold in the utility model;
Fig. 8 is the explosive view of Fig. 6;
Fig. 9 has the complicated metal weldment of molding structure and the matching chart of weldment pressing mold.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model feature and other correlated characteristic are described in further detail, so that technical staff's of the same trade understanding:
As shown in Fig. 1-9, in figure, mark 1-18 is respectively: hydraulic press 1, hydraulic machine piston push rod 2, silicon steel sheet 3, magnetic conduction carry laminate 4, heat insulation briquetting 5, weldment pressing mold 6, cooling system 7, cooling water channel water inlet 8, die holder workbench 9, first metal weldment 10, second metal weldment 11, fastening bolt 12, medium, high frequency load coil 13, glass fibre protective casing 14, medium, high frequency induction heater 15, cooling water channel delivery port 16, accommodating cavity 17, shaped structure 18.
Embodiment mono-: the molten metal solid-state interface hot extrusion welder in the present embodiment is used for two metal weldments are integrally welded, and is applicable to two kinds of metal weldments of being made by dissimilar metal.
As shown in Figure 1, 2, the welder of the present embodiment comprises and offers the weldment pressing mold 6 of accommodating cavity 17, the pressure apparatus consisting of hydraulic press 1 and hydraulic machine piston push rod 2 and carry by magnetic conduction the heater that laminate 4 and medium, high frequency load coil 13 form, wherein heater is arranged at top one side of accommodating cavity 17, and pressure apparatus is arranged at heater top and contacts with it so that by heating heat transfer transmission of pressure.
For the accommodating cavity 17 of bearing metal weldment and shape, the size of the metal weldment being embedded into match and its cavity depth is less than this metal weldment height, make the upper surface (being solder side) of this metal weldment be exposed to the cavity upper shed of accommodating cavity 17.For can distribute heat, control the temperature of weldment pressing mold 6, in welding pressing mold 6, offer and adopt the cooling water channel that recirculated water cooling is working method, cooling water channel is positioned at the periphery of accommodating cavity 17, and its cooling water channel delivery port 16, cooling water channel water inlet 8 connect respectively and be opened in a side of weldment pressing mold 6 and form and be connected with cooling system 7.Weldment pressing mold 6 is supported on die holder workbench 9.
As shown in Figure 2,3, 4, heater carries laminate 4 by magnetic conduction and 13 assemblings of medium, high frequency load coil form, wherein medium, high frequency load coil 13 is connected with medium, high frequency induction heater 15, magnetic conduction carries laminate 4 and by the silicon steel sheet 3 of the some E of being fonts, by fastening bolt 12, interconnects locking and form, and medium, high frequency load coil 13 coordinates and is installed in the groove of silicon steel sheet 3; The magnetic conduction that silicon steel sheet 3 forms carries laminate 4 except strengthening magnetic field intensity, also plays the effect of transmission of pressure simultaneously.The lower plane that magnetic conduction carries laminate 4 is set with a heat insulation briquetting 5, and heat insulation briquetting 5 can stop the heat of metal welding fitting to be transferred to magnetic conduction to carry in laminate 4.
As shown in Figure 1, 2, pressure apparatus is hydraulic press 1, and the hydraulic machine piston bar 2 of hydraulic press 1 is positioned at magnetic conduction and carries the top of laminate 4 and come in contact with its surface, and the application of force direction of hydraulic machine piston bar 2 is identical with the normal direction of accommodating cavity 17.
The present embodiment is in the specific implementation: utilize welder that first metal weldment 10, second metal weldment 11 these two metal weldments are integrally welded, two metal weldments are made by dissimilar metal respectively, and the fusing point of first metal weldment 10 is less than the fusing point of second metal weldment 11.
First metal weldment 10 is inlaid in accommodating cavity 17 and the solder side formation of its solder side and second metal weldment 11 is fitted tightly.Utilize the heater of line of magnetic induction principle of heating to heat second metal weldment 11, now the heating-up temperature of medium, high frequency load coil 13 is less than the fusing point of second metal weldment 11 when being greater than first metal weldment 10 fusing points, so second metal weldment 11 conducts this local melting of solder side that only makes first metal weldment 10 by heat, and first metal weldment 10 be positioned at the remainder of accommodating cavity 17 can be cooling and keep solid state by the cooling water channel that is opened in weldment pressing mold 6.
When hydraulic press 1 carries laminate 4 while forcing in second metal weldment 11 and first metal weldment 10 by magnetic conduction, the solder side of two metal weldments remains and fits tightly and do not have air and enter, thereby avoids metal welding junction and airborne oxygen and hydrogen in welding process to produce bad reaction.When the solder side of first metal weldment 10 is during by medium, high frequency load coil 13 heat fused, pressure due to hydraulic press 1, second metal weldment 11 is pressed in the solder side of first metal weldment 10 all the time, two metal weldments just complete welding, and now the oxide impurity of the surface melting layer of first metal weldment 10 is extruded faying face under pressure, resulting solder side weld strength is guaranteed.
Embodiment bis-: the difference that the present embodiment is compared embodiment mono-is, the present embodiment is for the welding needs by between metal two metal weldments of the same race.In order to weld by metal two metal weldments of the same race, two metal weldments need to be flush-mounted in respectively in the accommodating cavity 17 of two weldment pressing molds 6, the opening of two accommodating cavities 17 is relative.By magnetic conduction, carry the heater that laminate 4 and medium, high frequency load coil 13 form and can be arranged at the side of solder side or the dorsal part of arbitrary accommodating cavity 17 that two metal weldments fit, thereby two metal weldments are carried out local heat and then both solders side are all melted, now the remainder of metal weldment all can be by the cooling water channel of offering in weldment pressing mold 6 separately the cooling solid state that always keeps.
Embodiment mono-, two is in the specific implementation: with first metal weldment 10, are aluminum metal weldments, second metal weldment 11 is that copper metal weldment is example, the heating of being undertaken by the line of magnetic induction of medium, high frequency load coil 13 can be divided into following two kinds of modes: as shown in Figure 5, the line of magnetic induction is only through copper metal weldment, due to copper metal weldment and aluminum metal weldment remain contacting of fitting tightly and heating-up temperature in the fusing point higher than aluminium again lower than the fusing point of copper, so can make the solder side of aluminum metal weldment melt by the heat conduction of copper metal weldment; As shown in Figure 6, the line of magnetic induction, through in copper metal weldment, also at least passes the solder side of aluminum metal weldment, so, although heat two metalworks, due to the fusing point of heating-up temperature lower than copper, so only have the solder side of aluminum metal weldment to be melted simultaneously.
As shown in Figure 5,6, in Fig. 5, show that the power output of medium, high frequency induction heater is less than the power output of the medium, high frequency induction heater in Fig. 6, so can control by adjusting the power output of medium, high frequency induction heater 15 distribution the corresponding locus that is chosen in heating region on metal weldment of the line of magnetic induction; In addition because the line of magnetic induction also needs through heat insulation briquetting 5, so also can be chosen in by adjusting the thickness of heat insulation briquetting 5 locus of heating region on metal weldment.
As shown in Figure 7,8, first metal weldment 10 is a plate body, so the accommodating cavity 17 of its embedding is the rectangular cavities matching with its length, width; And as shown in Figure 9, when first metal weldment 10 bottoms have complicated shaped structure 18, cavity body structure that need to accommodating cavity 18 is set to the structure matching with shaped structure 18, thereby make shaped structure 18 obtain the cooling of cooling water channel, avoid its temperature distortion even to melt, so the welding that, has a metal weldment of complicated shaped structure is also achieved.
The welder that above-described embodiment one adopts is vertical, and on being applied to actual flow waterline time, can being correspondingly chosen as the apparatus structure of horizontal or some other form, but not hindering the enforcement of this device.
The cross section of medium, high frequency load coil 13, except being the square-section copper pipe in Fig. 1,2,5 or 6, can be also the copper pipe of circular cross-section.The number of turn of medium, high frequency load coil 13 can be the above coil side by side of a circle, two circles or two circles, outer cover glaze fiber protective casing 14.
The upper and lower plane that magnetic conduction carries laminate 4 is all passed through Precision Machining, guarantees the depth of parallelism of its surface accuracy and two planes, thereby guarantees the flatness of faying face between two metal weldments.Magnetic conduction carry laminate 4 can as in embodiment mono-, two by some thin silicon steel plates 3 stack locking connect and compose, can be also the sintered moulded body of soft magnetic ferrite or soft magnetic composite powder material.
The material of heat insulation briquetting 5 adopts low thermal conductivity, insulation, and the material of low permeability is made, and can be chosen as: alundum (Al2O3), silicon nitride or quartzy material etc.
Claims (8)
1. a molten metal solid-state interface hot extrusion welder, for two metalworks are integrally welded, it is characterized in that: described welder has at least one for weldment accommodating cavity, heater and the pressure apparatus of metalwork described in setting-in, described heater and described pressure apparatus are all positioned at described accommodating cavity one side.
2. a kind of molten metal solid-state interface hot extrusion welder according to claim 1, is characterized in that: described heater is positioned at opening one side of described accommodating cavity.
3. a kind of molten metal solid-state interface hot extrusion welder according to claim 1 and 2, is characterized in that: described heater carries laminate by heater coil and magnetic conduction and forms.
4. a kind of molten metal solid-state interface hot extrusion welder according to claim 3, it is characterized in that: described magnetic conduction carry laminate can by some thin silicon steel plates stack locking connect and compose, can be also the sintered moulded body of soft magnetic ferrite or soft magnetic composite powder material.
5. a kind of molten metal solid-state interface hot extrusion welder according to claim 1, it is characterized in that: described pressure apparatus is positioned at a side of described accommodating cavity, and the application of force direction of described pressure apparatus is identical with the normal direction of described accommodating cavity.
6. a kind of molten metal solid-state interface hot extrusion welder according to claim 1, is characterized in that: described accommodating cavity periphery is provided with cooling water channel.
7. a kind of molten metal solid-state interface hot extrusion welder according to claim 1, is characterized in that: between described heater and described accommodating cavity, be provided with a heat insulation briquetting.
8. a kind of molten metal solid-state interface hot extrusion welder according to claim 1, is characterized in that: described welder has two described weldment accommodating cavities, and two described accommodating cavity openings are setting in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110685.0U CN203738223U (en) | 2014-03-12 | 2014-03-12 | Hot extrusion and welding device for liquid-solid interface of metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110685.0U CN203738223U (en) | 2014-03-12 | 2014-03-12 | Hot extrusion and welding device for liquid-solid interface of metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738223U true CN203738223U (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110685.0U Expired - Lifetime CN203738223U (en) | 2014-03-12 | 2014-03-12 | Hot extrusion and welding device for liquid-solid interface of metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738223U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878473A (en) * | 2014-03-12 | 2014-06-25 | 王子延 | Hot-extrusion welding device for metal liquid-solid state interface |
| CN105689718A (en) * | 2016-02-01 | 2016-06-22 | 北京理工大学 | Multi-phase reinforced metal matrix composite forming system and method |
-
2014
- 2014-03-12 CN CN201420110685.0U patent/CN203738223U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878473A (en) * | 2014-03-12 | 2014-06-25 | 王子延 | Hot-extrusion welding device for metal liquid-solid state interface |
| CN105689718A (en) * | 2016-02-01 | 2016-06-22 | 北京理工大学 | Multi-phase reinforced metal matrix composite forming system and method |
| CN105689718B (en) * | 2016-02-01 | 2017-10-13 | 北京理工大学 | The formation system and method for a kind of multiple phase strengthened metal base composite material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |