CN109365970B - Ultrasonic seam welding and resistance internal heat combined metal seam welding device - Google Patents
Ultrasonic seam welding and resistance internal heat combined metal seam welding device Download PDFInfo
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- CN109365970B CN109365970B CN201810790059.3A CN201810790059A CN109365970B CN 109365970 B CN109365970 B CN 109365970B CN 201810790059 A CN201810790059 A CN 201810790059A CN 109365970 B CN109365970 B CN 109365970B
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- ultrasonic
- internal heat
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- 238000003466 welding Methods 0.000 title claims abstract description 122
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 49
- 239000002184 metal Substances 0.000 title claims abstract description 49
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 14
- 239000011888 foil Substances 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 8
- 230000008018 melting Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 230000004927 fusion Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007790 solid phase Substances 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000004021 metal welding Methods 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001668 ameliorated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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
- B23K11/00—Resistance welding; Severing by resistance heating
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
-
- 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
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
本发明涉及一种超声滚焊与电阻内热复合金属缝焊接装置，其特征在于设有超声滚焊机构和电阻内热焊接机构，所述超声滚焊机构设有超声波发生器、滚焊压头(14)，滚焊压头(14)的两侧分别设有换能器(1)及换能器(12)；所述电阻内热焊接机构设有用于输出中/高频脉冲电流的中频/高频电阻焊电源，中频/高频电阻焊电源输出的电脉冲经电极支架送至导电滚轮，导电滚轮与待焊接金属板相接触；所述中频/高频电阻焊电源输出两路相同的电脉冲信号，分别送至两个电极支架，两个电极支架分别与两个导电滚轮相连接，两个导电滚轮输出电信号至待焊接金属板接触面，本发明可有效避免熔化焊接带来的接头软化现象，排除气孔等焊接缺陷，具有广阔应用前景。
The invention relates to an ultrasonic rolling welding and resistance internal heat composite metal seam welding device, which is characterized in that an ultrasonic rolling welding mechanism and a resistance internal heat welding mechanism are provided, and the ultrasonic rolling welding mechanism is provided with an ultrasonic generator, a rolling welding indenter (14). ), the two sides of the rolling welding indenter (14) are respectively provided with a transducer (1) and a transducer (12); the resistance internal heat welding mechanism is provided with an intermediate frequency/high frequency for outputting a medium/high frequency pulse current Resistance welding power source, the electric pulse output by the intermediate frequency/high frequency resistance welding power source is sent to the conductive roller through the electrode bracket, and the conductive roller is in contact with the metal plate to be welded; the intermediate frequency/high frequency resistance welding power source outputs the same electric pulse signal of two channels , respectively sent to two electrode supports, the two electrode supports are respectively connected with two conductive rollers, and the two conductive rollers output electrical signals to the contact surface of the metal plate to be welded, the invention can effectively avoid the joint softening phenomenon caused by melting welding. , eliminate welding defects such as pores, and have broad application prospects.
Description
Technical Field
The invention relates to the technical field of welding, in particular to an ultrasonic roll welding and resistance internal heat composite metal seam welding device which can effectively avoid the phenomenon of joint softening caused by fusion welding and eliminate welding defects such as air holes and the like.
Background
The arc welding technology is an effective metal connection method and is widely applied to the fields of rail transit, aerospace and the like. With the continuous development of welding technology, a welding method using high-energy beams such as plasma, laser, electron beam and the like as heat sources is developed, and the quality and efficiency problems of the traditional welding method are further improved. However, for the welding of metal materials, the above melting welding method often brings about the defects of softening of welding joints, air holes and the like, and the application range and the service life of the metal welding component are seriously influenced. This problem is not ameliorated until friction stir welding has occurred, by replacing fusion welding with solid phase bonding. However, friction stir welding has severe requirements for assembly constraints and joint formation of workpieces, and welding equipment is expensive, and thus cannot be widely used.
Disclosure of Invention
Aiming at the defects and shortcomings in the prior art, the invention provides the ultrasonic roll welding and resistance internal heat composite metal seam welding device which can effectively avoid the joint softening phenomenon caused by fusion welding and eliminate the welding defects such as air holes and the like.
The invention can be achieved by the following measures:
the device for welding the ultrasonic seam welding and the resistance internal heating composite metal seam is characterized by being provided with an ultrasonic seam welding mechanism and a resistance internal heating welding mechanism, wherein the ultrasonic seam welding mechanism is provided with an ultrasonic generator and a seam welding pressure head (14), and two sides of the seam welding pressure head (14) are respectively provided with a first transducer (1) and a second transducer (12); the resistance internal heat welding mechanism is provided with a medium-frequency/high-frequency resistance welding power supply for outputting medium-frequency/high-frequency pulse current, electric pulses output by the medium-frequency/high-frequency resistance welding power supply are sent to a conductive roller wheel through an electrode support, and the conductive roller wheel is contacted with a metal plate to be welded; the medium-frequency/high-frequency resistance welding power supply outputs two paths of same electric pulse signals which are respectively sent to the two electrode supports, the two electrode supports are respectively connected with the two conductive rollers, and the two conductive rollers output electric signals to the contact surface of the metal plate to be welded.
The metal plates to be welded are fixed on a workbench (6), wherein a first pressing plate (2), a backing strip (8), an insulating backing plate and a second pressing plate (11) are arranged on the workbench (6) and used for fixing the two metal plates to be welded on the workbench (6), and the two metal plates to be welded are electrically insulated through the insulating backing plate in the welding process.
The contact surfaces of the two metal plates to be welded can be designed into a slope shape which is embedded with each other, or can be designed into an L-shaped groove which can be buckled with each other, or can be designed into a step shape which can be buckled with each other, wherein the included angle between the horizontal plane of the step and the side surface is an obtuse angle, so that the butt joint of the metal plate flat plates is ensured.
The low-melting-point foil can be arranged between the contact surfaces of the two metal plates to be welded, and the connection is realized through the melting of the foil by heating.
The conductive roller consists of chromium, zirconium and copper, the conductive handle is made of brass material, and current can be applied by adopting a single-side multi-pressure head.
When the welding device works, firstly, a plate to be welded is arranged on a workbench (6) and is fixed through a flexible tool, the flexible tool consists of a first pressing plate (2), a filler strip (8), an insulating base plate and a second pressing plate (11), and two metal plates to be welded are electrically insulated through the insulating base plate in the welding process; then setting working parameters, starting an ultrasonic generator, setting ultrasonic welding parameters including power, amplitude and speed, and simultaneously starting a medium-frequency/high-frequency resistance welding power supply, wherein the current parameters are set to be 4KA-8 KA; preheating and softening the contact surface of a plate to be welded by a resistance internal heat welding mechanism, wherein the highest preheating temperature is 400 ℃, and welding the welding line of the metal plate to be welded by an ultrasonic roll welding mechanism; the preset foils in the contact surface of the plate to be welded can be heated by a resistance internal heat welding mechanism, so that the metal foils are melted to realize connection; the maximum welding power of the ultrasonic generator was 4 KW.
Compared with the prior art, the invention can effectively avoid the joint softening phenomenon caused by fusion welding, eliminate the welding defects of air holes and the like, has wide application prospect, and also falls into the protection range of the device by referring to the composition of the follow-up resistance heating structure and other forms of heat sources (friction stir welding, consumable electrode or non-molten gas shielded welding).
Description of the drawings:
fig. 1 is a front view of the present invention.
Figure 2 is a top view of the present invention.
FIG. 3 is a schematic diagram of three groove structures of materials to be welded in the present invention.
Reference numerals: the welding device comprises a first energy converter (1), a first pressing plate (2), a resistance welding roller (3), a metal (4) to be welded, an insulating base plate (5), a workbench (6), an insulating base plate (7), an adjusting backing strip (8), a metal (9) to be welded, a resistance welding roller (10), a second pressing plate (11), a second energy converter (12), an electrode support (13), a roll welding pressure head (14), an electrode support (15), a medium-frequency/high-frequency resistance welding power supply (16) and a steel base plate (17).
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
As shown in the attached drawing, the invention provides an ultrasonic seam welding and resistance internal heating composite metal seam welding device which is characterized by being provided with an ultrasonic seam welding mechanism and a resistance internal heating welding mechanism, wherein the ultrasonic seam welding mechanism is provided with an ultrasonic generator and a seam welding pressure head (14), and two sides of the seam welding pressure head (14) are respectively provided with a first transducer (1) and a second transducer (12); the resistance internal heat welding mechanism is provided with a medium-frequency/high-frequency resistance welding power supply (16) for outputting medium-frequency/high-frequency pulse current, electric pulses output by the medium-frequency/high-frequency resistance welding power supply are sent to the conductive roller wheel through the electrode support, and the conductive roller wheel is contacted with a metal plate to be welded; the medium-frequency/high-frequency resistance welding power supply outputs two paths of same electric pulse signals which are respectively sent to the two electrode supports, the two electrode supports are respectively connected with the two conductive rollers, and the two conductive rollers output electric signals to the contact surface of the metal plate to be welded.
The metal plates to be welded are fixed on a workbench (6), wherein a first pressing plate (2), a backing strip (8), an insulating backing plate and a second pressing plate (11) are arranged on the workbench (6) and used for fixing the two metal plates to be welded on the workbench (6), and the two metal plates to be welded are electrically insulated through the insulating backing plate in the welding process.
The contact surfaces of the two metal plates to be welded can be designed into a slope shape which is embedded with each other, or can be designed into an L-shaped groove which can be buckled with each other, or can be designed into a step shape which can be buckled with each other, wherein the included angle between the horizontal plane of the step and the side surface is an obtuse angle, so that the butt joint of the metal plate flat plates is ensured.
The low-melting-point foil can be arranged between the contact surfaces of the two metal plates to be welded, and the connection is realized through the melting of the foil by heating.
The conductive roller consists of chromium, zirconium and copper, the conductive handle is made of brass material, and current can be applied by adopting a single-side multi-pressure head.
In the ultrasonic roll welding process of the metal plate, the heat resistance is generated at the contact surface of the alloy plate through the pulse current so as to achieve the purposes of preheating and softening the plate, and the preheating temperature can be accurately adjusted according to different plate thicknesses and joint forms within a set range. The adoption of the proper preheating temperature can realize the softening of the plates, is beneficial to the energy conduction of the ultrasonic pressure head, further improves the solid-phase connection strength of the welding line, and can also place a low-melting-point foil between the plates to realize the melting of the foil and realize the connection. The flat plate butt joint of the metal plates can be realized by means of a special groove form. The butt welding seam of the metal plates obtained by the method can effectively avoid the joint softening phenomenon caused by fusion welding and eliminate welding defects such as air holes and the like.
Example 1:
taking aluminum alloy as an example, the welding principle is shown in figure 1, the actual welding mode is shown in figure 3, the groove form is shown in figure 3, and the thickness of the aluminum alloy plate to be welded is 2 mm. In the welding process, firstly, the aluminum alloy plate is installed on the workbench and fixed by using a flexible tool. The power supply of an ultrasonic generator and a pulse heat-resistant device is started, ultrasonic welding parameters (power is 3KW, amplitude is 25 mu m, speed is 8 mm/s) and pulse heat-resistant device parameters (current is 4 KA) are set, high-frequency current acts on the contact interface of two metal plates to realize heating and softening of interface metal, after all the metal plates are ready, welding is carried out along the direction shown in the figure, and then a high-quality solid-phase cold-welding seam can be obtained.
Compared with the prior art, the invention can effectively avoid the joint softening phenomenon caused by fusion welding, eliminate the welding defects such as air holes and the like, has wide application prospect, and also falls into the protection of the invention when the structure or the welding technology of the friction stir welding, the consumable electrode and the non-consumable electrode realized by referring to the structure replaces the ultrasonic rolling welding head for composite welding design and device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790059.3A CN109365970B (en) | 2018-07-18 | 2018-07-18 | Ultrasonic seam welding and resistance internal heat combined metal seam welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790059.3A CN109365970B (en) | 2018-07-18 | 2018-07-18 | Ultrasonic seam welding and resistance internal heat combined metal seam welding device |
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| Publication Number | Publication Date |
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| CN109365970A CN109365970A (en) | 2019-02-22 |
| CN109365970B true CN109365970B (en) | 2021-12-31 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014934A (en) * | 2019-12-31 | 2020-04-17 | 哈尔滨工程大学 | A method for preparing metal layered composite material by high-energy pulse current assisted ultrasonic consolidation |
| CN112692422B (en) * | 2020-12-15 | 2022-01-21 | 中山大学 | Plasma arc enhanced ultrasonic metal composite plate preparation device and method |
| CN114871607B (en) * | 2022-05-26 | 2024-03-15 | 深圳市深发源精密科技有限公司 | Ultrasonic welding device for auxiliary preheating workpiece by resistor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6920791B2 (en) * | 2000-12-15 | 2005-07-26 | Ge Inspection Technologies Systems | Ultrasound monitoring of overlapping welded joints between sheets |
| CN101829824A (en) * | 2010-04-12 | 2010-09-15 | 广州电器科学研究院 | Compound heating soldering method of precise part resistance heat and supersonic vibration |
| CN201693266U (en) * | 2010-06-23 | 2011-01-05 | 广州电器科学研究院 | Resistance heating and ultrasonic vibration composite heating brazing equipment |
| CN103600166A (en) * | 2013-12-02 | 2014-02-26 | 哈尔滨工业大学（威海） | Method and device for auxiliary heating type ultrasound rapid forming |
| DE102012215210A1 (en) * | 2012-08-28 | 2014-03-06 | Voith Patent Gmbh | Connecting device for connecting terminal web section of e.g. paper web, of screw nut roller for paper machine, has sonotrodes connecting terminal web section to material web with roller portion by ultrasonic welding by seam |
-
2018
- 2018-07-18 CN CN201810790059.3A patent/CN109365970B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6920791B2 (en) * | 2000-12-15 | 2005-07-26 | Ge Inspection Technologies Systems | Ultrasound monitoring of overlapping welded joints between sheets |
| CN101829824A (en) * | 2010-04-12 | 2010-09-15 | 广州电器科学研究院 | Compound heating soldering method of precise part resistance heat and supersonic vibration |
| CN201693266U (en) * | 2010-06-23 | 2011-01-05 | 广州电器科学研究院 | Resistance heating and ultrasonic vibration composite heating brazing equipment |
| DE102012215210A1 (en) * | 2012-08-28 | 2014-03-06 | Voith Patent Gmbh | Connecting device for connecting terminal web section of e.g. paper web, of screw nut roller for paper machine, has sonotrodes connecting terminal web section to material web with roller portion by ultrasonic welding by seam |
| CN103600166A (en) * | 2013-12-02 | 2014-02-26 | 哈尔滨工业大学（威海） | Method and device for auxiliary heating type ultrasound rapid forming |
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