CN201693266U - Resistance heat and ultrasonic vibration compound heating soldering equipment - Google Patents
Resistance heat and ultrasonic vibration compound heating soldering equipment Download PDFInfo
- Publication number
- CN201693266U CN201693266U CN2010202359800U CN201020235980U CN201693266U CN 201693266 U CN201693266 U CN 201693266U CN 2010202359800 U CN2010202359800 U CN 2010202359800U CN 201020235980 U CN201020235980 U CN 201020235980U CN 201693266 U CN201693266 U CN 201693266U
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- weldment
- ultrasonic vibration
- ultrasonic transducer
- resistance heat
- ultrasonic
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Abstract
The utility model discloses resistance heat and ultrasonic vibration compound heating soldering equipment comprising a worktable and a clamp for clamping a weldment. The soldering equipment also comprises a resistance welding heating device and an ultrasonic vibration device, wherein the resistance welding heating device is installed on the work table and contacts the lower surface of the weldment to supply resistance heat to the weldment; and the ultrasonic vibration device comprises an ultrasonic transducer, a driving mechanism of the ultrasonic transducer and a support frame for installing the ultrasonic transducer, a press head of the ultrasonic transducer contacts the upper surface of the weldment and is driven to apply ultrasonic vibration pressure to the weldment by the power driving mechanism, and the ultrasonic vibration pressure and the resistance heat together act on the soldering weldment. The resistance heat and ultrasonic vibration compound heating soldering equipment effectively reduces resistance welding current, shortens the soldering time, can realize soldering connection of the lowest current slightly higher than the melting point of a solder and the shortest high-temperature retention time, and keeps the physical properties of connected materials, and meanwhile, air holes in joints are removed by ultrasonic vibration so that the connection strength of the joints is improved.
Description
Technical field
The utility model relates to a kind of brazing equipment of weldment, specifically be meant resistance heat and ultrasonic vibration compound heating soldering equipment, be used for brazing temperature be higher than be connected the material recrystallization temperature above, not only require to guarantee the joint quality of connection but also require to reduce to being connected the extraordinary solder brazing situation of material property damage as far as possible.
Background technology
In the manufacture process of electrical equipment related components such as the various detections in fields such as communication, medical treatment, aviation and automobile, sensing, often use special material or functional material and constitute parts, these materials generally are by having extraordinary physical property by the specially treated preparation under the specific temperature conditions, so when utilizing these materials to make related components, to its processing temperature and strict control process time, it is caused performance damage so that reduce to the full extent because of welding process.For example, the beryllium copper material, be by quench aging handle the back (about 300～400 ℃ of customary quenching temperature, the time is 90～120min) special materials that obtain, it is applied in needs solder brazing processing in the elastic piece structure of instrument and meter, brazing temperature is generally 400～700 ℃.In order to guarantee the special property of material to greatest extent, need strict its heating-up temperature of control and shorten heat time heating time, could reduce the original structure of the heat of material being imported, do not destroyed material.
At present, Chang Yong solder brazing equipment mainly contains: (1) furnace temperature heating soldering equipment; (2) salt bath heating soldering equipment.These two kinds of equipment all belong to whole heat form, and heat time heating time is longer, generally are not suitable for the structural member soldering of special material.Local heat equipment has: (1) flame heat brazing equipment; (2) induction brazing equipment; (3) electric arc heated brazing equipment.Though help controlling energy input area to material than whole heating soldering equipment, its input energy spot diameter is big (being generally Centimeter Level), and can not accurate control.Precise part local heat equipment has: (1) LASER HEATING brazing equipment; (2) resistance brazing equipment.These two kinds of equipment can be realized local accurate heat input, and heat input spot can control to the millimeter level.But owing to the reason soldering point wetting and spreading effect of Fast Heating and cooling is bad, there is a large amount of pores in soldered fitting, reduces properties of its welded joints.
Therefore, need a kind of extraordinary local heat brazing equipment of exploitation, not only guarantee local accurate heating but also can guarantee well sprawling of solder, reduce the defective of joint, reduce rerum natura damage to the full extent materials to be welded.
The utility model content
The purpose of this utility model provides a kind of resistance heat and ultrasonic vibration compound heating soldering equipment, this brazing equipment can be realized accurate local heat soldering, and under a little higher than solder melting temperature, finish welding with minimum current and shortest time, and obviously improve the wetting and spreading effect of resistance brazing joint solder, significantly reduce the soldered fitting pore, improve the Mechanical Reliability of soldered fitting, keep the rerum natura of materials to be welded to greatest extent.
Above-mentioned purpose of the present utility model realizes by following technical solution: resistance heat and ultrasonic vibration compound heating soldering equipment, it comprises the anchor clamps of workbench and clamping weldment, it is characterized in that: described brazing equipment also comprises electric resistance welding heater and ultrasonic vibration installation, described electric resistance welding heater is installed on the workbench, contact with the lower surface of weldment, provide resistance heat to weldment, described ultrasonic vibration installation comprises ultrasonic transducer, the driving mechanism of ultrasonic transducer and the bracing frame that ultrasonic transducer is installed, the pressure head of described ultrasonic transducer contacts with the upper surface of weldment, drive its action by power-driven mechanism, apply ultrasonic vibration pressure to weldment, ultrasonic vibration pressure and resistance heat acting in conjunction are in the soldering weldment.
In the utility model, described electric resistance welding heater comprises positive electrode, negative electrode and power controling box, described positive electrode and negative electrode are installed on the described workbench side by side, and link to each other with described power controling box respectively, described power controling box is provided with gauge tap, leave the gap between two electrodes, the upper surface of two electrodes contacts with the lower surface of weldment respectively.
Described two gaps between electrodes are 0.1mm.
In the utility model, the driving mechanism of described ultrasonic transducer comprises vertical pressure driver and vibration pressure driver, wherein, described vertical pressure driver comprises air compressor and the cylinder that is attached thereto, the piston rod of cylinder links to each other with described ultrasonic transducer, described bracing frame is equipped with the guide rail that is provided with along vertical, and described ultrasonic transducer is installed on the guide rail and can moves to apply the vertical pressure of precompressed to weldment at air cylinder driven lower edge guide rail; Described vibration pressure driver is a supersonic generator, supersonic generator has gauge tap, described supersonic generator links to each other by lead with described ultrasonic transducer, provides the vibrational energy of vertical to described ultrasonic transducer, to apply the vibration pressure of vertical to weldment.
The pressure head material of described ultrasonic transducer is an insulating resin.
Operation principle of the present utility model is: parallel arranged electric resistance welding positive and negative electrode, the materials to be welded of preseting solder of being installed is in directly over two electrodes its link position, driving ultrasonic transducer drive pressure head moves downward and compresses materials to be welded, trigger the electric resistance welding current-controlled switch, utilize interface resistance heat production heating solder, synchronously or postpone or trigger the ultrasonic vibration gauge tap in advance, under resistance heat and the effect of vertical high frequency ultrasound vibrating, finish brazing process.The composite ultraphonic vibration effectively reduces the electric resistance welding electric current, shortens the holding time, can realize minimum current under a little higher than solder fusing point, the soldering of short high-temperature residence time connects, greatly kept being connected the physical property of material, the joint inner air vent is removed in ultrasonic vibration simultaneously, improves the joint bonding strength.
Compared with prior art, brazing equipment of the present utility model can be used in brazing temperature and is higher than and is connected more than the material recrystallization temperature, both required to guarantee that the joint quality of connection was not (as there being obvious pore, performances such as higher bond strength) require again to reduce to being connected the material property damage (as hardness as far as possible, elasticity, performances such as microscopic structure) extraordinary solder brazing situation, can be applicable to such as in instrument and meter and the auto electric equipment, connector, durable switch, high sensitive sensor, the high resiliency contact, the soldering connection area of precise parts such as high strong spring, should have higher-strength by soldered fitting, keep certain (a bit) specific physical property of materials to be welded again, such as hardness, elasticity etc.While brazing equipment of the present utility model is simple in structure, easy to operate and have soldering effect preferably, reduces welding electric current and time, and energy savings is raised the efficiency.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Fig. 1 is the overall structure schematic diagram of the utility model brazing equipment;
Fig. 2 is the structural representation of the utility model welding portion;
Fig. 3 is the utility model soldering principle schematic.
The specific embodiment
Resistance heat as shown in Figure 1 to Figure 3 and ultrasonic vibration compound heating soldering equipment, it comprises the anchor clamps 12 of workbench 11 and clamping weldment, table device 1 is made by the heavy insulation resin plate base that has locating hole, brazing equipment also comprises electric resistance welding heater and ultrasonic vibration installation, the electric resistance welding heater is installed on the workbench 11, contact with the lower surface of weldment, provide resistance heat to weldment, ultrasonic vibration installation comprises ultrasonic transducer 31, the driving mechanism of ultrasonic transducer and the bracing frame 35 that ultrasonic transducer is installed, the pressure head 33 that the insulating resin of ultrasonic transducer 31 is made contacts with the upper surface of weldment, drive its action by power-driven mechanism, apply ultrasonic vibration pressure to weldment, ultrasonic vibration pressure and resistance heat acting in conjunction are in the soldering weldment.
Described electric resistance welding heater comprises positive electrode 21, negative electrode 22 and power controling box 25, positive electrode 21 and negative electrode 22 are installed on the locating hole of workbench 11 side by side, and link to each other with power controling box 25 by copper wires 23,24 respectively, power controling box 25 is provided with gauge tap 51, its electric current is adjustable continuously in 0～3A scope, weld interval is adjustable continuously in 0～2 minute scope, leave the gap of 0.1mm between positive electrode 21, the negative electrode 22, the upper surface of two electrodes contacts with the lower surface of weldment respectively.
The driving mechanism of described ultrasonic transducer comprises vertical pressure driver and vibration pressure driver, wherein, the cylinder 42 that the vertical pressure driver comprises air compressor 41 and is attached thereto, the piston rod of cylinder 42 links to each other with ultrasonic transducer 31, bracing frame is equipped with the guide rail 32 that is provided with along vertical, and ultrasonic transducer 31 is installed on the guide rail 32 and can moves to apply the vertical pressure of precompressed to weldment at air cylinder driven lower edge guide rail; The vibration pressure driver is a supersonic generator 34, supersonic generator 34 has gauge tap 52, supersonic generator 34 and ultrasonic transducer 31 link to each other by lead, the vibrational energy of vertical is provided to ultrasonic transducer 31, to apply the vibration pressure of vertical to weldment, the dither of ultrasonic transducer 31 is by supersonic generator 34 control, and supersonic frequency is 20～30kHz, ultrasonic power in 0～300W scope ten grades optional.
The triggered time of ultrasonic generator 34 and power controling box 25 is controlled respectively by gauge tap 51,52, ultrasonic generator trigger delay/pre-set time can be set, also can be by single switch triggering resistance welding power source control cabinet and ultrasonic generator, and then realize the triggering of resistance heat and ultrasonic vibration.
As shown in Figure 2, the positive electrode 21 of electric resistance welding heater and negative electrode 22 parallel placements arranged side by side, the soldering precompression applies to ultrasonic transducer 31 by the cylinder of vertical pressure driver, be solder 6 between weldment 7 and the weldment 8, weldment 7 is positioned at top, contact with the pressure head 33 of ultrasonic transducer 31, weldment 8 is positioned at the bottom, contacts with positive and negative electrode 21,22.
As shown in Figure 3, the compound heating principle of resistance heat of the present utility model and ultrasonic vibration is to exert pressure by 31 pairs of welded pieces of ultrasonic transducer to compress materials to be welded, electric current flows to materials to be welded by positive electrode 21, because of the heat production of interface resistance effect, under resistance heat and the vibrating effect of vertical high-frequency transducer, fusing of solder sheet and wetting and spreading welding surface, ultrasonic cavitation makes the removal of the pore on the interface between molten solder inside and solder and the welding surface, forms soldered fitting.
Heating of the utility model resistance welding power source and ultrasonic transducer vibration can be carried out simultaneously; Also can heat by first starting resistance weldering power supply, postpone to restart the ultrasonic transducer vibration behind 0.1～1s; Also can start the ultrasonic transducer vibration earlier, postpone to restart the resistance welding power source heating behind 0.1～1s.
Compared with prior art, compound heating soldering equipment of the present utility model is the accurate heating-up temperature of controlling welded piece under the setting parameter of resistance heated power supply, guarantee that brazing filler metal alloy just melts, ultrasonic vibration promotes molten solder alloy wetting and spreading, undesirable or the joint remaining pore of wetting and spreading effect that improvement causes solder owing to state and the inadequate reason of heating-up temperature of surface of the work, thereby at lower temperature, in the short period, namely form high-quality soldering jointing under the critical process window.
Claims (5)
1. resistance heat and ultrasonic vibration compound heating soldering equipment, it comprises the anchor clamps (12) of workbench (11) and clamping weldment, it is characterized in that: described brazing equipment also comprises electric resistance welding heater and ultrasonic vibration installation, described electric resistance welding heater is installed in (11) on the workbench, contact with the lower surface of weldment, provide resistance heat to weldment, described ultrasonic vibration installation comprises ultrasonic transducer (31), the driving mechanism of ultrasonic transducer and the bracing frame (35) that ultrasonic transducer is installed, the pressure head (33) of described ultrasonic transducer (31) contacts with the upper surface of weldment, drive its action by power-driven mechanism, apply ultrasonic vibration pressure to weldment, ultrasonic vibration pressure and resistance heat acting in conjunction are in the soldering weldment.
2. resistance heat according to claim 1 and ultrasonic vibration compound heating soldering equipment, it is characterized in that: described electric resistance welding heater comprises positive electrode (21), negative electrode (22) and power controling box (25), described positive electrode (21) and negative electrode (22) are installed on the described workbench (11) side by side, and link to each other with described power controling box (25) respectively, described power controling box (25) is provided with gauge tap (51), leave the gap between two electrodes, the upper surface of two electrodes contacts with the lower surface of weldment respectively.
3. resistance heat according to claim 2 and ultrasonic vibration compound heating soldering equipment is characterized in that: described two gaps between electrodes are 0.1mm.
4. resistance heat according to claim 1 and ultrasonic vibration compound heating soldering equipment, it is characterized in that: the driving mechanism of described ultrasonic transducer comprises vertical pressure driver and vibration pressure driver, wherein, the cylinder (42) that described vertical pressure driver comprises air compressor (41) and is attached thereto, the piston rod of cylinder (42) links to each other with described ultrasonic transducer (31), described bracing frame is equipped with the guide rail (32) that is provided with along vertical, and described ultrasonic transducer (31) is installed in guide rail (32) and goes up and can move to apply the vertical pressure of precompressed to weldment at air cylinder driven lower edge guide rail; Described vibration pressure driver is supersonic generator (34), supersonic generator (34) has gauge tap (52), described supersonic generator (34) links to each other by lead with described ultrasonic transducer (31), provide the vibrational energy of vertical to described ultrasonic transducer (31), to apply the vibration pressure of vertical to weldment.
5. resistance heat according to claim 4 and ultrasonic vibration compound heating soldering equipment is characterized in that: the pressure head of described ultrasonic transducer (33) material is an insulating resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202359800U CN201693266U (en) | 2010-06-23 | 2010-06-23 | Resistance heat and ultrasonic vibration compound heating soldering equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202359800U CN201693266U (en) | 2010-06-23 | 2010-06-23 | Resistance heat and ultrasonic vibration compound heating soldering equipment |
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| CN201693266U true CN201693266U (en) | 2011-01-05 |
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| CN2010202359800U Expired - Fee Related CN201693266U (en) | 2010-06-23 | 2010-06-23 | Resistance heat and ultrasonic vibration compound heating soldering equipment |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203510A (en) * | 2013-03-18 | 2013-07-17 | 河南科技大学 | Brazing experimental device and method assisted by supersonic vibration and electric fields |
| CN103639606A (en) * | 2013-12-12 | 2014-03-19 | 哈尔滨工业大学 | Thin metal sheet structure resistance/ultrasonic composite spot-welding method |
| CN105798411A (en) * | 2016-06-01 | 2016-07-27 | 兰州理工大学 | Ultrasonic resistance Composite butt brazing method for aluminum alloy and insulated sliding welding device |
| CN109365970A (en) * | 2018-07-18 | 2019-02-22 | 哈尔滨工业大学（威海） | Hot composite metal annular seam welding device in ultrasonic roll welding and resistance |
| CN110125510A (en) * | 2019-05-16 | 2019-08-16 | 哈尔滨瀚霖科技开发有限公司 | It is used to prepare the resistance brazing connection method of long size hard alloy |
| CN111347114A (en) * | 2020-04-09 | 2020-06-30 | 河南科技大学 | Ultrasonic-assisted solder spreading process observation device |
| CN111390316A (en) * | 2020-03-19 | 2020-07-10 | 东莞材料基因高等理工研究院 | Brazing process and device for shell-and-tube heat exchanger |
| CN112139647A (en) * | 2020-09-28 | 2020-12-29 | 哈尔滨工业大学（威海） | Ultrasonic vibration assisted metal plastic lap resistance spot welding equipment and method |
| CN114179368A (en) * | 2021-11-25 | 2022-03-15 | 哈尔滨工业大学 | Method for improving interface connection strength of dissimilar resin or dissimilar resin-based composite material welding joint |
| EP4108370A1 (en) * | 2021-06-22 | 2022-12-28 | Hilti Aktiengesellschaft | Joining method and hammer drilling tool |
| CN115559895A (en) * | 2022-11-21 | 2023-01-03 | 合肥精创科技有限公司 | Novel ceramic plunger and assembling method and equipment thereof |
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2010
- 2010-06-23 CN CN2010202359800U patent/CN201693266U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203510A (en) * | 2013-03-18 | 2013-07-17 | 河南科技大学 | Brazing experimental device and method assisted by supersonic vibration and electric fields |
| CN103639606A (en) * | 2013-12-12 | 2014-03-19 | 哈尔滨工业大学 | Thin metal sheet structure resistance/ultrasonic composite spot-welding method |
| CN103639606B (en) * | 2013-12-12 | 2016-08-03 | 哈尔滨工业大学 | Sheet structure resistance/ultrasonicomposite spot soldering method |
| CN105798411A (en) * | 2016-06-01 | 2016-07-27 | 兰州理工大学 | Ultrasonic resistance Composite butt brazing method for aluminum alloy and insulated sliding welding device |
| CN109365970B (en) * | 2018-07-18 | 2021-12-31 | 哈尔滨工业大学（威海） | Ultrasonic seam welding and resistance internal heat combined metal seam welding device |
| CN109365970A (en) * | 2018-07-18 | 2019-02-22 | 哈尔滨工业大学（威海） | Hot composite metal annular seam welding device in ultrasonic roll welding and resistance |
| CN110125510A (en) * | 2019-05-16 | 2019-08-16 | 哈尔滨瀚霖科技开发有限公司 | It is used to prepare the resistance brazing connection method of long size hard alloy |
| CN111390316A (en) * | 2020-03-19 | 2020-07-10 | 东莞材料基因高等理工研究院 | Brazing process and device for shell-and-tube heat exchanger |
| CN111347114A (en) * | 2020-04-09 | 2020-06-30 | 河南科技大学 | Ultrasonic-assisted solder spreading process observation device |
| CN111347114B (en) * | 2020-04-09 | 2021-10-22 | 河南科技大学 | Ultrasonic-assisted solder spreading process observation device |
| CN112139647A (en) * | 2020-09-28 | 2020-12-29 | 哈尔滨工业大学（威海） | Ultrasonic vibration assisted metal plastic lap resistance spot welding equipment and method |
| EP4108370A1 (en) * | 2021-06-22 | 2022-12-28 | Hilti Aktiengesellschaft | Joining method and hammer drilling tool |
| CN114179368A (en) * | 2021-11-25 | 2022-03-15 | 哈尔滨工业大学 | Method for improving interface connection strength of dissimilar resin or dissimilar resin-based composite material welding joint |
| CN115559895A (en) * | 2022-11-21 | 2023-01-03 | 合肥精创科技有限公司 | Novel ceramic plunger and assembling method and equipment thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20130623 |