CN107252966B - Ultrasonic metal welding device - Google Patents
Ultrasonic metal welding device Download PDFInfo
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- CN107252966B CN107252966B CN201710401316.5A CN201710401316A CN107252966B CN 107252966 B CN107252966 B CN 107252966B CN 201710401316 A CN201710401316 A CN 201710401316A CN 107252966 B CN107252966 B CN 107252966B
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- welding
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- 238000004021 metal welding Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 100
- 238000013016 damping Methods 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000919 ceramic Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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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
- B23K20/106—Features related to sonotrodes
-
- 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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an ultrasonic metal welding device which comprises a rack, a welding base, an automatic welding device, a half-wave triple set and a rigidity retaining device, wherein the rack is provided with a plurality of welding holes; the automatic welding device is arranged on the rack and comprises a stroke adjusting device and a clamping device; the stroke adjusting device is used for adjusting the stroke of the clamping device moving along the sliding rail; the half-wave triple group comprises an ultrasonic vibrator, an amplitude transformer and a welding head which are connected in sequence; a first damping fin is arranged between the ultrasonic vibrator and the amplitude transformer, a second damping fin is arranged between the amplitude transformer and the welding head, and the vibrator sleeve is sleeved outside the half-wave triple set through the first damping fin and the second damping fin; the clamping device is used for clamping the vibrator sleeve; the rigidity retaining device is arranged on the clamping device and used for abutting against the upper side of the welding head to retain the rigidity of the welding head in the vertical direction, and the damping sheet and the rigidity retaining device can effectively transmit ultrasonic vibration while ensuring the rigidity in the welding direction, so that the welding of workpieces is realized, and the power loss is reduced.
Description
Technical Field
The invention relates to the field of metal welding, in particular to a 20KHz ultrasonic metal welding device containing a half-wave triple set.
Background
The metal ultrasonic welding device is a device for converting electric energy into mechanical energy, and the welding head is vibrated at high frequency to rub against a workpiece to generate heat required by welding so as to complete the welding of the workpiece. The basic principle is to use the inverse piezoelectric effect. The piezoelectric ceramics which are closely arranged are connected with a high-frequency alternating current power supply through an ultrasonic generator, and the piezoelectric ceramics alternately expand and contract with the same frequency as the alternating current power supply due to the inverse piezoelectric effect, so that electric energy is converted into mechanical energy.
The natural frequency set by the welding head connected with the ultrasonic vibrator of the transducer is consistent with the alternating current power supply generated by the ultrasonic generator, the vibration direction of the natural frequency is consistent with the vibration direction of the ultrasonic vibrator of the transducer, and the welding head can resonate, so that high-frequency friction is generated between the welding head and a workpiece to be welded, and heat enough for completing welding is generated.
The welding head of the existing half-wave ultrasonic welding equipment is basically cantilever type and has lower rigidity. In addition, since the welding head needs to be fixed on the welding device, the vibration mode may be changed and the vibration power transmission efficiency may be reduced due to clamping, and if the clamping rigidity is reduced, the rigidity of the working direction may be reduced, which may affect the welding quality.
Disclosure of Invention
The invention aims to solve the technical problems that the welding equipment keeps clamping rigidity in the welding direction without reducing the transmission efficiency of ultrasonic vibration, can realize ultrasonic welding of metal pieces and reduce power loss. In order to solve the problems, the invention provides an ultrasonic metal welding device, which comprises a frame, a welding base, an automatic welding device, a half-wave triple set and a rigid retaining device, wherein the frame is provided with a welding base; the automatic welding device is arranged on the rack and comprises a stroke adjusting device and a clamping device; the stroke adjusting device is used for adjusting the stroke of the clamping device moving along the sliding rail; the half-wave triple group comprises an ultrasonic vibrator, an amplitude transformer and a welding head which are connected in sequence; a first damping fin is arranged between the ultrasonic vibrator and the amplitude transformer, a second damping fin is arranged between the amplitude transformer and the welding head, and the vibrator sleeve is sleeved outside the half-wave triple set through the first damping fin and the second damping fin; the clamping device is used for clamping the vibrator sleeve; and the rigid holding device is arranged on the clamping device and used for abutting against the welding head and keeping the rigidity of the welding head in the vertical direction.
Further, the stroke adjusting device comprises an upper limiting adjusting knob and a lower limiting adjusting knob which are arranged on the left side and the right side above the rack, the upper limiting adjusting knob and the lower limiting adjusting knob are respectively used for adjusting an upper limiting stop block and a lower limiting stop block to move up and down in the rack, each sliding rail comprises a first sliding rail and a second sliding rail, the upper limiting stop block is used for determining the stroke upper limit of the clamping device moving along the first sliding rail, and the lower limiting stop block is used for determining the stroke lower limit of the clamping device moving along the second sliding rail.
Furthermore, the ultrasonic vibrator, the amplitude transformer and the welding head are connected through threads, the tail end of the ultrasonic vibrator is connected with the ultrasonic generator, the other end of the ultrasonic vibrator is connected with the first end of the amplitude transformer, the second end of the amplitude transformer is connected with the tail part of the welding head, the vibration cylinder sleeve is fixedly connected with the first damping sheet and the second damping sheet through a fixed steel ring and a bolt, and the fixed steel ring is not in contact with the half-wave triple group.
Furthermore, the tail end of the ultrasonic vibrator is connected with 20KHZ electric energy, so that high-frequency electric energy can be oscillated and converted into mechanical vibration with the same frequency; the ultrasonic vibrator comprises a piezoelectric ceramic unit group, and when the vibrator is connected with an alternating current power supply, the piezoelectric ceramic unit group alternately expands and contracts, so that electric energy can be converted into mechanical energy.
Furthermore, the amplitude transformer is used for controlling the vibration amplitude of the end face of the welding head, is a resonant half-wave metal device and resonates with the ultrasonic vibrator at the same frequency, can realize a rigid mounting part of a half-wave triple group, and can increase or reduce the amplitude according to the size of the amplitude transformer when energy is transmitted to the welding head from the ultrasonic vibrator through the amplitude transformer.
Further, automatic welder includes the motor, and the motor makes clamping device move along the slide rail through driving the lead screw rotation, and stroke adjusting device is used for adjusting the stroke that clamping device reciprocated along the slide rail.
Further, the automatic welding device comprises a pressure sensor, the pressure sensor is used for detecting the pressure of the welding device during welding, and when the pressure reaches a certain value, the half-wave triple group starts to work.
Furthermore, the welding base is fixed on the frame through bolts and is positioned right below the welding head, the welding head is a half-wavelength resonant metal device and is used for transmitting ultrasonic vibration from the amplitude transformer to the welding tip, the welding head is made of vanadium-containing steel subjected to vacuum heat treatment, and the resonant frequency is 20 KHz.
Further, the first damper plate and the second damper plate are made of alloy steel containing beryllium, are tuned to an operating frequency of 20KHz, and are configured to maintain rigidity in the radial direction and to be capable of generating ultrasonic vibration in the axial direction.
The invention also discloses a working method of the ultrasonic metal welding device, which comprises the following steps:
1. selecting a welding base suitable for welding according to the size of the workpiece, and placing the workpiece on the welding base;
2. according to the thickness of the workpiece, the stroke highest point and the stroke lowest point of the clamping device on the sliding rail in the welding process are adjusted through the stroke adjusting device;
3. pressing down a welding key, driving the half-wave triple group to move downwards by the clamping device, vibrating the ultrasonic vibrator after the pressure sensor detects that the pressure reaches a set value, and enabling the welding head to rub with a workpiece to realize metal welding;
4. when the clamping device reaches the lowest point of the stroke of the slide rail, the motor stops rotating;
5. when the welding is finished, the stroke adjusting device adjusts the clamping device to move to the highest point of the stroke along the sliding rail.
The invention has the following beneficial effects:
1. according to the ultrasonic metal welding device, the rigidity in the welding direction can be guaranteed through the damping fin and the rigidity maintaining device, ultrasonic vibration is effectively transmitted, the welding of workpieces is realized, and power loss is reduced;
2. according to the ultrasonic metal welding device, the position of the limit stop can be changed by adjusting the limit adjusting knob through the stroke adjusting device, so that the ultrasonic metal welding device is suitable for different welding bases and workpieces.
3. According to the ultrasonic metal welding device, the pressure sensor can detect the pressure of the welding device during welding, ultrasonic waves are generated after a certain pressure is reached, the pressure is increased, and pressure segmentation can be realized.
Drawings
FIG. 1 is a schematic view of the general construction of an ultrasonic metal welding apparatus of the present invention;
FIG. 2 is a schematic view showing the internal structure of an ultrasonic metal welding apparatus according to the present invention;
FIG. 3 is a schematic diagram of a half-wave triad configuration of the present invention;
fig. 4 is a schematic cross-sectional structure diagram of the half-wave triad of the present invention.
In the figure, a machine frame 10, a stroke adjusting device 20, an upper limit adjusting knob 21, a lower limit adjusting knob 22, an upper limit stop 23, a lower limit stop 24, a half-wave triad 30, an ultrasonic vibrator 31, a welding head 32, a horn 33, a vibrator sleeve 34, a fixed steel ring 35, a first damping sheet 36, a second damping sheet 37, an automatic welding device 40, a motor 41, a lead screw 42, a slide rail 43, a clamping device 44, a pressure sensor 45, a rigid holding device 50 and a welding base 60,
Detailed Description
The invention is described in further detail below with reference to the data in conjunction with the figures. It should be understood that the embodiments are merely illustrative of the present invention and do not limit the scope of the invention in any way.
As shown in fig. 1, the invention discloses an ultrasonic metal welding device, which is characterized by comprising a frame, a welding base, an automatic welding device, a half-wave triple set and a rigid retaining device; the automatic welding device is arranged on the rack and comprises a stroke adjusting device and a clamping device; the stroke adjusting device is used for adjusting the stroke of the clamping device moving along the sliding rail; the half-wave triple group comprises an ultrasonic vibrator, an amplitude transformer and a welding head which are sequentially connected by screw threads; a first damping fin is arranged between the ultrasonic vibrator and the amplitude transformer, a second damping fin is arranged between the amplitude transformer and the welding head, namely one damping fin is respectively clamped at the threaded connection part, and the vibrator sleeve is sleeved outside the half-wave triple set through the first damping fin and the second damping fin; the clamping device is used for clamping the vibrator sleeve; and the rigid holding device is arranged on the clamping device and used for abutting against the welding head and keeping the rigidity of the welding head in the vertical direction.
The stroke adjusting device comprises an upper limiting adjusting knob and a lower limiting adjusting knob which are arranged on the left side and the right side above the rack, the upper limiting adjusting knob and the lower limiting adjusting knob are respectively used for adjusting an upper limiting stop block and a lower limiting stop block to move up and down in the rack, each sliding rail comprises a first sliding rail and a second sliding rail, the upper limiting stop block is used for determining the upper limit of the stroke of the clamping device moving along the first sliding rail, and the lower limiting stop block is used for determining the lower limit of the stroke of the clamping device moving along the second sliding rail.
In one embodiment, the ultrasonic vibrator, the amplitude transformer and the welding head are connected through threads, the tail end of the ultrasonic vibrator is connected with the ultrasonic generator, the other end of the ultrasonic vibrator is connected with the first end of the amplitude transformer, the second end of the amplitude transformer is connected with the tail part of the welding head, the vibration cylinder sleeve is fixedly connected with the first damping sheet and the second damping sheet through a fixing steel ring and a bolt, and the fixing steel ring is not in contact with the half-wave triple group, so that the vibration cylinder sleeve is not in contact with the ultrasonic vibrator, the welding head and the amplitude transformer; the first damping fin and the second damping fin are made of beryllium-containing alloy steel, the frequency modulation is 20KHz of working frequency, the rigidity is kept in the radial direction, ultrasonic vibration can be generated in the axial direction, the ultrasonic welding unit is firmly installed, meanwhile, the effective transmission of the ultrasonic vibration is ensured, meanwhile, the instantaneous impact during ultrasonic metal welding is reduced due to the special structure and material characteristics, and the stability and effectiveness of welding are ensured.
In one embodiment, the tail end of the ultrasonic vibrator is connected with 20KHZ electric energy, so that high-frequency electric energy oscillation can be converted into mechanical vibration with the same frequency; the ultrasonic vibrator comprises a piezoelectric ceramic unit group, and when the vibrator is connected with an alternating current power supply, the piezoelectric ceramic unit group alternately expands and contracts, so that electric energy can be converted into mechanical energy.
In one embodiment, the horn is a resonant half-wave metal device that resonates at the same frequency as the ultrasonic vibrator, enabling a half-wave triad of rigid mounts, and the amplitude of the vibration can be increased or decreased depending on the size of the horn as energy is transferred from the ultrasonic vibrator through the horn.
In one embodiment, the automatic welding device comprises a motor, the motor drives the screw rod to rotate so as to enable the clamping device to move along the sliding rail, and the stroke adjusting device is used for adjusting the stroke of the clamping device moving up and down along the sliding rail.
In one embodiment, the automatic welding device comprises a pressure sensor arranged above the motor, the pressure sensor is used for detecting the pressure when the welding device welds, when the pressure reaches a certain value, the half-wave triad starts to work and emits ultrasound, and meanwhile, the pressure is increased, so that pressure segmentation can be realized.
In one embodiment, the welding base is bolted to the frame for quick replacement and is located directly below the horn, which is a half-wavelength resonant metal device for transmitting ultrasonic vibrations from the horn to the tip, which is made of vacuum heat treated vanadium containing steel with a resonant frequency of 20 KHz.
The invention also discloses a working method of the ultrasonic metal welding device, which comprises the following steps:
1. selecting a welding base suitable for welding according to the size of the workpiece, fixing the welding base on the rack by using bolts, and placing the workpiece on the welding base;
2. according to the thickness of the workpiece, the stroke highest point and the stroke lowest point of the clamping device on the sliding rail in the welding process are adjusted through the stroke adjusting device;
3. pressing down a welding key, driving the half-wave triad to move downwards by the motor through the clamping device, vibrating the ultrasonic vibrator after the pressure sensor detects that the pressure reaches a set value, and enabling the welding head to rub with a workpiece to realize metal welding;
4. when the clamping device reaches the lowest point of the travel of the slide rail, namely the clamping device touches the lower limit stop block, the motor stops rotating;
5. when the welding is finished, the motor rotates, the stroke adjusting device adjusts the clamping device to move to the highest point of the stroke along the sliding rail, namely, the half-wave triple group is driven to move upwards to the upper limit stop, and the next welding action is carried out after the workpiece is replaced.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. An ultrasonic metal welding device is characterized by comprising a frame, a welding base, an automatic welding device, a half-wave triple set and a rigid retaining device; the automatic welding device is arranged on the rack and comprises a stroke adjusting device and a clamping device; the stroke adjusting device is used for adjusting the stroke of the clamping device moving along the sliding rail; the half-wave triple group comprises an ultrasonic vibrator, an amplitude transformer and a welding head which are connected in sequence; a first damping fin is arranged between the ultrasonic vibrator and the amplitude transformer, a second damping fin is arranged between the amplitude transformer and the welding head, and a vibrator sleeve is sleeved outside the half-wave triple set through the first damping fin and the second damping fin; the clamping device is used for clamping the vibrator sleeve; the rigid holding device is arranged on the clamping device and used for abutting against the upper part of the welding head and keeping the rigidity of the welding head in the vertical direction; the amplitude transformer is used for controlling the vibration amplitude of the end face of the welding head, is a resonant half-wave metal device and resonates with the ultrasonic vibrator at the same frequency, can realize the rigid mounting part of the half-wave triple set, and can increase or reduce the amplitude according to the size of the amplitude transformer when energy is transmitted to the welding head from the ultrasonic vibrator through the amplitude transformer.
2. The ultrasonic metal welding device of claim 1, wherein the stroke adjusting device comprises an upper limit adjusting knob and a lower limit adjusting knob which are arranged at the left side and the right side above the frame, the upper limit adjusting knob and the lower limit adjusting knob are respectively used for adjusting an upper limit stop and a lower limit stop to move up and down in the frame, the slide rail comprises a first slide rail and a second slide rail, the upper limit stop is used for determining the upper limit of the stroke of the clamping device moving along the first slide rail, and the lower limit stop is used for determining the lower limit of the stroke of the clamping device moving along the second slide rail.
3. The ultrasonic metal welding device according to any one of claims 1 to 2, wherein the ultrasonic vibrator, the horn and the welding head are connected by screw threads, the tail end of the ultrasonic vibrator is connected with the ultrasonic generator, the other end of the ultrasonic vibrator is connected with the first end of the horn, the second end of the horn is connected with the tail part of the welding head, the cylinder sleeve is fixedly connected with the first damping fin and the second damping fin by a fixed steel ring and a bolt, and the fixed steel ring is not in contact with the half-wave triple group.
4. An ultrasonic metal welding apparatus as defined in claim 1, wherein the end of said ultrasonic vibrator is connected to 20KHZ power, which can convert the high frequency power oscillation into mechanical vibration of the same frequency; the ultrasonic vibrator comprises a piezoelectric ceramic unit group, and when the vibrator is connected with an alternating current power supply, the piezoelectric ceramic unit group expands and contracts alternately, so that electric energy can be converted into mechanical energy.
5. The ultrasonic metal welding apparatus of claim 1 wherein said automated welding apparatus comprises a motor that moves said clamping device along said rail by rotating a lead screw, said travel adjustment means being adapted to adjust the travel of said clamping device up and down said rail.
6. The ultrasonic metal welding apparatus of claim 1 wherein said automated welding apparatus includes a pressure sensor for sensing the pressure at which the welding apparatus welds, said half-wave triad being activated when said pressure reaches a certain value.
7. An ultrasonic metal welding apparatus as defined in claim 1, wherein said welding base is bolted to the frame directly below said horn, said horn being a half-wavelength resonant metal device for transmitting ultrasonic vibrations from said horn to the tip, said horn being made of vacuum heat treated elemental vanadium containing steel and having a resonant frequency of 20 KHz.
8. An ultrasonic metal welding apparatus as in claim 1 wherein said first and second damping plates are formed of beryllium containing alloy steel tuned to an operating frequency of 20KHz and arranged to maintain stiffness in the radial direction and to generate ultrasonic vibrations in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401316.5A CN107252966B (en) | 2017-05-31 | 2017-05-31 | Ultrasonic metal welding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401316.5A CN107252966B (en) | 2017-05-31 | 2017-05-31 | Ultrasonic metal welding device |
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| CN107252966A CN107252966A (en) | 2017-10-17 |
| CN107252966B true CN107252966B (en) | 2020-06-23 |
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| CN108247192A (en) * | 2018-02-06 | 2018-07-06 | 南京航空航天大学 | A kind of Double-linkage clamps metal foil ultrasound firm joint device |
| CN108247193A (en) * | 2018-03-12 | 2018-07-06 | 广州市科普超声电子技术有限公司 | A kind of ultrasonic brazing unit |
| CN108555429B (en) * | 2018-05-16 | 2023-06-20 | 华侨大学 | Large-range continuous ultrasonic welding device for metal foil |
| CN109352559A (en) * | 2018-12-05 | 2019-02-19 | 上海骄成机电设备有限公司 | A kind of three groups of clamping devices of supersonic welder |
| CN109352168A (en) * | 2018-12-27 | 2019-02-19 | 上海骄成机电设备有限公司 | A kind of ultrasonic wave deckle rod clamp assemblies |
| CN110497073B (en) * | 2019-08-19 | 2022-11-15 | 上海骄成超声波技术股份有限公司 | Triple group clamp |
| CN111992870A (en) * | 2020-09-18 | 2020-11-27 | 叶树声 | Ultrasonic welding device for welding LED lamp |
| CN112157341B (en) * | 2020-10-15 | 2024-10-22 | 威海国升超声技术有限公司 | Ultrasonic metal welding device with resonant transmission clamp mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080023529A1 (en) * | 2006-07-25 | 2008-01-31 | Larry Van Reatherford | Ultrasonic welding apparatus |
| KR101273676B1 (en) * | 2011-06-10 | 2013-06-12 | 조국환 | Portable ultrasonic metal welder |
| CN102601513A (en) * | 2012-03-14 | 2012-07-25 | 甘国工 | Ultrasonic welding device used for solar energy collecting panel and provided with welding mark coating mechanism |
| CN202517188U (en) * | 2012-03-14 | 2012-11-07 | 甘国工 | Ultrasonic welding device for welding solar energy heat collecting plate core with heat exchange fins |
| CN105397273B (en) * | 2015-12-30 | 2018-03-13 | 苏州润昇精密机械有限公司 | A kind of vertical metal ultrasonic welding machine frame |
| CN106217851A (en) * | 2016-07-11 | 2016-12-14 | 杨林 | Novel ultrasonic welder |
| CN106312394A (en) * | 2016-09-21 | 2017-01-11 | 天津锦泰勤业精密电子有限公司 | Welder and welding device |
| CN207104089U (en) * | 2017-05-31 | 2018-03-16 | 上海骄成机电设备有限公司 | A kind of ultrasonic wave metal welder |
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Address after: 200241 floor 3, building 2, No. 1488, Cangyuan Road, Minhang District, Shanghai Patentee after: Shanghai Jiaocheng Ultrasonic Technology Co.,Ltd. Address before: 200241 1st floor, building 3, 48 Lane 4916, Hongmei South Road, Minhang District, Shanghai Patentee before: SBT ENGINEERING SYSTEMS Co.,Ltd. |
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Denomination of invention: An ultrasonic metal welding device Effective date of registration: 20220825 Granted publication date: 20200623 Pledgee: Industrial Bank Co.,Ltd. Shanghai Changning sub branch Pledgor: Shanghai Jiaocheng Ultrasonic Technology Co.,Ltd. Registration number: Y2022310000180 |
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Date of cancellation: 20220921 Granted publication date: 20200623 Pledgee: Industrial Bank Co.,Ltd. Shanghai Changning sub branch Pledgor: Shanghai Jiaocheng Ultrasonic Technology Co.,Ltd. Registration number: Y2022310000180 |