CN100500357C - Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment - Google Patents
Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment Download PDFInfo
- Publication number
- CN100500357C CN100500357C CNB2007100717442A CN200710071744A CN100500357C CN 100500357 C CN100500357 C CN 100500357C CN B2007100717442 A CNB2007100717442 A CN B2007100717442A CN 200710071744 A CN200710071744 A CN 200710071744A CN 100500357 C CN100500357 C CN 100500357C
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- Prior art keywords
- wave
- composite material
- aluminium
- liquid phase
- welding head
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention provides an ultrasonic vibrating liquid phase welding device for aluminum, aluminum alloy and other composite material, which comprises control box installed with ultrasonic generator inside, control knob and wire connecting post on the panel, clipping working bench on the upper surface of the control box, bracket on the top of the control box, temperature display panel and ultrasonic welding head installed on the bracket, one end of the electrical thermocouple connecting with the inspecting work piece, the other connecting with the temperature control module inside the control box through the wire connecting post on the control panel, temperature control module connecting with the temperature display panel, displaying the temperature from the display, ultrasonic welding head connecting with the ultrasonic generator through signal wire, with pressurizing device, energy changing device, width changing bar on the ultrasonic welding head, with the rear two connected and to connect with the first. Without using brazing flux, it can realize the welding of aluminum, aluminum alloy and other composite material.
Description
One, technical field
What the present invention relates to is a kind of welding equipment, specifically a kind of ultrasonic vibration liquid phase welding equipment.
Two, background technology
There are the oxide-film (Al of one deck densification in aluminium, aluminium alloy and composite material surface thereof
2O
3), not thorough as removing in the brazing process, solder will be greatly diminished the wetting and spreading ability of mother metal, have a strong impact on the shaping and the final performance of joint.The soldering of these materials at present or adopt brazing flux is removed oxide-film by chemical reaction, or the welding surroundings that adopts vacuum is realized welding to avoid the generation of thick and fine and close oxide-film.Yet the use of brazing flux is to have increased cost on the one hand, and brazing flux generally all has corrosivity on the other hand, and not strict as the postwelding cleaning, joint the corrosion failure problem occurs in the process under arms easily; The welding of vacuum environment has limited the flexibility of welding, the welding of the member that structure is complicated slightly, size the is big slightly difficulty that becomes, and this method welding interval is long, cost is high.
In addition, for containing the higher aluminium alloy of alloying element, as magnalium system, aluminum bronze system, liquid solder easily and the alloying element in the mother metal interact and reduce its mobile spreadability, make the saturating rate of pricker of joint reduce performance decline.If by improving the flowability that welding temperature improves solder, this might make the softening even fusing of mother metal, because the solid-liquid phase line of these aluminium alloy systems is generally all lower.Specifically, the wild phase in the aluminum matrix composite is ceramic fibre, whisker or particle often, and conventional solder is under normal operation to the non-constant of its wetability, thereby the wetting and spreading of liquid solder on the mother metal surface certainly will be a problem.
The weldering of ultrasonic wave crest is by importing ultrasonic wave in the liquid solder pond, position to be welded with member to be welded is immersed in the solder pond again, the cavitation of utilizing ultrasonic wave to produce in the solder pond is removed the oxide-film on mother metal surface, realize the wetting combination of solder, solved the problem of the welding surroundings of the use of brazing flux and vacuum mother metal.But this method relatively is suitable for the welding of electron trade circuit board encapsulation, bonding area and solder joint are generally smaller, not too be suitable for the welding of large tracts of land or large-sized member, because ultrasonic wave propagates into welding surface by the liquid solder pond, loss is big, the acoustic wave energy of unit are is smaller, and oxide-film is removed and the joint filling process may be not thorough.In addition, except welding surface, safeguard measure must be taked in other surface that is immersed in the solder pond, otherwise also will be hung up the welding that solder or formation there is no need in this method.This also is a more loaded down with trivial details problem.
Three, summary of the invention
The object of the present invention is to provide does not a kind ofly need to use brazing flux just can realize aluminium, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof that aluminium, aluminium alloy and composite thereof can weld under atmospheric environment.
The object of the present invention is achieved like this: supersonic generator is installed in control cabinet, the panel of control cabinet is provided with control button and binding post, the control cabinet upper surface is the workbench that is installed, support is set above control cabinet, temperature display floater and wave welding head of ultrasonic wave are rack-mount respectively, thermoelectricity is on a rare occasion held with detected workpiece and is linked to each other, the other end is connected with temperature control modules in the control cabinet by the binding post on the control panel, temperature control modules links to each other with the temperature display floater, wave welding head of ultrasonic wave is communicated with supersonic generator in the control cabinet by holding wire, pressue device is arranged on the wave welding head of ultrasonic wave, transducer and luffing bar, luffing bar link to each other with transducer and link to each other with pressue device.
The present invention can also comprise some architectural features like this:
1, described support comprises the lead screw guide rails column that is installed in control cabinet one end, be installed on the lead screw guide rails column with two perpendicular crossbeams of lead screw guide rails column, temperature display floater and wave welding head of ultrasonic wave are installed respectively on two crossbeams, and the temperature display floater is descending at last, wave welding head of ultrasonic wave.
2, described support comprises the portal frame that the control cabinet top is installed, and two crossbeams are installed on the portal frame, and the temperature display floater is installed on the crossbeam of portal frame one side, and wave welding head of ultrasonic wave is installed on the crossbeam between portal frame two columns.
3, on the crossbeam of installation wave welding head of ultrasonic wave the dovetail groove slide rail is arranged, wave welding head of ultrasonic wave is installed on the dovetail groove slide rail, is rotationally connected between crossbeam and the column.
4, the pressue device in the wave welding head of ultrasonic wave is made up of cylinder and air gauge; The luffing bar is aluminium alloy or titanium alloy bar; Transducer is piezoelectric ceramics or magnetostrictive transducer.
5, the described workbench that is installed is made up of two vertical platforms of glide direction.
Device of the present invention is made up of following several parts: the workbench that is installed, thermometric and control system and ultrasonic vibration system are formed.Device bottom is a control cabinet, and supersonic generator is in control cabinet inside, and heating waits control button and various binding post to be distributed on the control cabinet panel.The control cabinet upper surface is the workbench that is installed, and it is made up of two vertical platforms of glide direction.At control cabinet one end one lead screw guide rails column is arranged, temperature display floater and supersonic welding head system be installed in respectively with the vertical crossbeam that links to each other of lead screw guide rails column on, the temperature display floater is last, wave welding head of ultrasonic wave is down.What temperature display panel showed is the temperature of thermocouple detection position in the welding process, thermoelectricity is on a rare occasion held with detected workpiece and is linked to each other, the other end is connected with temperature control modules in the control cabinet by the binding post on the control panel, temperature control modules links to each other with the temperature display floater, and temperature shows from the temperature display floater.Wave welding head of ultrasonic wave is communicated with supersonic generator in the control cabinet by holding wire, links to each other with crossbeam by the dovetail groove slide rail.Wave welding head of ultrasonic wave can move up and down or is that axle rotates with the column along column with crossbeam, also can move at dovetail groove slide rail upper edge crossbeam length direction.Pressue device, transducer and luffing bar are arranged on the wave welding head of ultrasonic wave.Pressue device has cylinder and air gauge.The luffing bar links to each other with transducer, and the system of its composition links to each other with the cylinder of pressue device, and it can move up and down the effect by cylinder along the guide pillar of soldering tip system, and maximum moving distance is the stroke of cylinder.
Use 400# sand papering aluminium before the welding, the test specimen to be welded surface of aluminium alloy or its composite, and clean with acetone, dry, be installed on test specimen to be welded on the jig and be fixed on the workbench, between the welding surface or joint edge after placing scolder, test specimen is heated and observes temperature display watch, after arriving welding temperature and temperature retention time, by the dovetail groove slide rail on crossbeam and the crossbeam soldering tip is moved to the ultrasound waveguide implantation site, after the default moulding pressure value of air gauge, start pressue device and make the luffing bar move down contact test specimen to be welded, start the ultrasonic vibration button simultaneously.After ultrasonic vibration finishes, promote the luffing bar away from by the weldering test specimen, as required, test specimen is continued insulation or cooling, finish welding by pneumatic shuttle.
Major advantage of the present invention is embodied in:
1, use this welding equipment to can be implemented in welding of aluminum under the atmospheric environment, aluminium alloy and composite thereof, face of weld need not special cleaning, need not to use brazing flux, and welding operation is flexible, easy, and engineering significance is comparatively desirable.
2, ultrasonic vibration applies from mother metal, and the importing position is flexible,, have more specific aim, can make to peak efficiency scolder reach best vibrating effect.
3, have multichannel, six tunnel temperature detection passages for example can detect the variations in temperature of six different parts simultaneously.
Four, description of drawings
Fig. 1 and Fig. 2 are the structural representations of two kinds of embodiments of the present invention.
Five, the specific embodiment
For a more detailed description to the present invention for example below in conjunction with accompanying drawing:
In conjunction with Fig. 1, aluminium, the composition of aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof comprises control cabinet 1, bearing 3 is arranged at the bottom of control cabinet, supersonic generator is installed in control cabinet, the panel of control cabinet is provided with control button and binding post 2, the control cabinet upper surface is the workbench 4 that is installed, support is set above control cabinet, temperature display floater 6 and wave welding head of ultrasonic wave are rack-mount respectively, thermoelectricity is on a rare occasion held with detected workpiece and is linked to each other, the other end links to each other with the temperature display floater with temperature control modules 7 by the binding post on the control panel, temperature shows from the temperature display floater, wave welding head of ultrasonic wave is communicated with supersonic generator 11 in the control cabinet by holding wire, pressue device is arranged on the wave welding head of ultrasonic wave, transducer 15 and luffing bar 16, luffing bar link to each other with transducer and link to each other with pressue device, be installed in again on the guide rail 13.Described support comprises the lead screw guide rails column 5 that control cabinet one end is installed, be installed on the lead screw guide rails column with two perpendicular crossbeams of lead screw guide rails column, temperature display floater 6 is installed respectively on two crossbeams with wave welding head of ultrasonic wave, and the temperature display floater is descending at last, wave welding head of ultrasonic wave.On the crossbeam 9 of installation wave welding head of ultrasonic wave dovetail groove slide rail 10 is arranged, wave welding head of ultrasonic wave is installed on the dovetail groove slide rail, is rotationally connected between crossbeam and the column.Bus 8 is arranged along guide rail upright columns.Pressue device in the wave welding head of ultrasonic wave is made up of cylinder 12 and air gauge 14; The luffing bar is aluminium alloy or titanium alloy bar; Transducer is piezoelectric ceramics or magnetostrictive transducer.The described workbench that is installed is made up of two vertical platforms of glide direction.
In conjunction with Fig. 2, second kind of embodiment of the present invention is on the basis of first kind of embodiment, support is designed to the gantry frame type structure, portal frame 20 is installed in the control cabinet top, two crossbeams are installed on the portal frame, the temperature display floater is installed on the crossbeam of portal frame one side, and wave welding head of ultrasonic wave is installed on the crossbeam between portal frame two columns.
Use 400# sand papering aluminum matrix composite before the welding, as 20%SiC
pThe welding surface of/2024A1 test specimen, and carry out ultrasonic wave and clean in acetone treats after test specimen dries it to be installed on the jig and with Zn base or Al parent metal sheet with the banjo fixing butt jointing form being placed between two welding surfaces.By resistance heated scolder is fully melted, the heating-up temperature scope is 380～600 ℃, and by thermocouple control, maintenance welding temperature.It is 0-5MPa that barometric atmospheric pressure value is set, and applies ultrasonic vibration then.The ultrasonic frequency scope is 15-60K hertz, and ultrasonic amplitude is 3-30 μ m, and the introducing ultrasonic time is 0.5-30s.After ultrasonic vibration finishes, remove ultrasonic wave and import bar, allow weldment cool off naturally.
The material that is welded can be an industrial pure Al or aluminium alloy system, is a kind of in the alloy as Al-Cu system, Al-Mn system, Al-Si system, Al-Si-Cu system, Al-Si-Mg system, Al-Mg system, Al-Mg-Si system, Al-Zn-Mg; The wild phase of aluminum matrix composite can be Al
2O
3, SiC continuous fiber or short fiber (volume fraction is 2～25%); SiC, Mg
2B
2O
5(antifungin), Al
18B
4O
33(aluminium borate) whisker (volume fraction is 5～40%); SiC, Al
2O
3, TiC, TiB
2, AlN, TiN, ZrO
2Particle (particle mean size 0.01～50 μ m, volume fraction 5～70%) a kind of in, its matrix can be an industrial pure Al and aluminium alloy system, as Al-Cu system, Al-Mn system, Al-Si system, Al-Si-Cu system, Al-Si-Mg system, Al-Mg system, Al-Mg-Si are, Al-Zn-Mg is a kind of in the alloy.
Used scolder can be a kind of among Zn parent metal Zn-Al-Cu (Cu:3.22%, Mg:0.82%, Mn:0.91%, Fe:0.01%, Si:0.81%, Zn:89.3%, Ni:0.05%, Al:4.2%, surplus are impurity), PTZn95Al, PTZn90Al, PTZn70Al, Zn72.5Al, Zn60Cd, Zn58SnCu or aluminium base scolder BAl67CuSi, Al60GeSi, HL401 or the B62.Scolder can be bar-shaped, sheet and graininess.Its filling mode can be to be coated on welding surface or welding in advance the time to be positioned between two welding surfaces or to be placed on the joint edge edge.
Described welding point form can be the form of butt joint, overlap joint, tube sheet joint, T junction.
Used mode of heating can be flame heat, high-frequency induction heating, resistance heated, and the welding temperature scope is 380～600 ℃, and temperature retention time is 0～10 minute, and the precompression scope is 0～5MPa.
Claims (10)
1, a kind of aluminium, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it comprises control cabinet, it is characterized in that: supersonic generator is installed in control cabinet, the panel of control cabinet is provided with control button and binding post, the control cabinet upper surface is the workbench that is installed, support is set above control cabinet, temperature display floater and wave welding head of ultrasonic wave are rack-mount respectively, thermoelectricity is on a rare occasion held with detected workpiece and is linked to each other, the other end is connected with temperature control modules in the control cabinet by the binding post on the control panel, temperature control modules links to each other with the temperature display floater, wave welding head of ultrasonic wave is communicated with supersonic generator in the control cabinet by holding wire, pressue device is arranged on the wave welding head of ultrasonic wave, transducer and luffing bar, luffing bar link to each other with transducer and link to each other with pressue device.
2, aluminium according to claim 1, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it is characterized in that: described support comprises the lead screw guide rails column that is installed in control cabinet one end, be installed on the lead screw guide rails column with two perpendicular crossbeams of lead screw guide rails column, temperature display floater and wave welding head of ultrasonic wave are installed in respectively on two crossbeams, and the temperature display floater is descending at last, wave welding head of ultrasonic wave.
3, aluminium according to claim 1, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it is characterized in that: described support comprises the portal frame that is installed in the control cabinet top, two crossbeams are installed on the portal frame, the temperature display floater is installed on the crossbeam of portal frame one side, and wave welding head of ultrasonic wave is installed on the crossbeam between portal frame two columns.
4, according to claim 2 or 3 described aluminium, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it is characterized in that: on the crossbeam of installation wave welding head of ultrasonic wave the dovetail groove slide rail is arranged, wave welding head of ultrasonic wave is installed on the dovetail groove slide rail, is rotationally connected between crossbeam and the column.
5, according to claim 1,2 or 3 described aluminium, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it is characterized in that: the pressue device in the wave welding head of ultrasonic wave is made up of cylinder and air gauge; The luffing bar is aluminium alloy or titanium alloy bar; Transducer is piezoelectric ceramics or magnetostrictive transducer.
6, aluminium according to claim 4, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof is characterized in that: the pressue device in the wave welding head of ultrasonic wave is made up of cylinder and air gauge; The luffing bar is aluminium alloy or titanium alloy bar; Transducer is piezoelectric ceramics or magnetostrictive transducer.
7, according to claim 1,2 or 3 described aluminium, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof, it is characterized in that: the described workbench that is installed is made up of two vertical platforms of glide direction.
8, aluminium according to claim 4, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof is characterized in that: the described workbench that is installed is made up of two vertical platforms of glide direction.
9, aluminium according to claim 5, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof is characterized in that: the described workbench that is installed is made up of two vertical platforms of glide direction.
10, aluminium according to claim 6, aluminium alloy and composite material ultrasonic vibration liquid phase welding equipment thereof is characterized in that: the described workbench that is installed is made up of two vertical platforms of glide direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100717442A CN100500357C (en) | 2007-02-07 | 2007-02-07 | Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100717442A CN100500357C (en) | 2007-02-07 | 2007-02-07 | Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment |
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| Publication Number | Publication Date |
|---|---|
| CN101011776A CN101011776A (en) | 2007-08-08 |
| CN100500357C true CN100500357C (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100717442A Expired - Fee Related CN100500357C (en) | 2007-02-07 | 2007-02-07 | Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment |
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-
2007
- 2007-02-07 CN CNB2007100717442A patent/CN100500357C/en not_active Expired - Fee Related
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| CN101011776A (en) | 2007-08-08 |
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