CN210848776U - Ultrasonic welding device with pulse current heating function - Google Patents
Ultrasonic welding device with pulse current heating function Download PDFInfo
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- CN210848776U CN210848776U CN201921587417.7U CN201921587417U CN210848776U CN 210848776 U CN210848776 U CN 210848776U CN 201921587417 U CN201921587417 U CN 201921587417U CN 210848776 U CN210848776 U CN 210848776U
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- 238000003466 welding Methods 0.000 title claims abstract description 160
- 238000010438 heat treatment Methods 0.000 title description 13
- 239000002184 metal Substances 0.000 claims abstract description 109
- 238000005192 partition Methods 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 16
- 238000002788 crimping Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000005219 brazing Methods 0.000 description 7
- 206010053615 Thermal burn Diseases 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Classifications
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- 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
- 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)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses an ultrasonic welding device that pulse current generates heat, including ultrasonic tool head, ultrasonic tool head includes the ultrasonic tool head main part that is formed by two at least metal cylinder equipment, and an at least ultrasonic welding cutter body is installed to the lower part of ultrasonic tool head main part, and ultrasonic welding cutter body electric connection is in two corresponding metal cylinders, and the metal cylinder is provided with the portion of connecting electricity that is used for inserting pulse power supply. The utility model discloses a metal cylinder and cutter body among the ultrasonic tool head form the return circuit, simple structure, and is with low costs, utilizes pulse current through the cutter body that the electric resistance value is bigger relatively, makes the cutter body generate heat, and other parts of ultrasonic tool head do not basically generate heat, and the programming rate is fast, and the cooling rate is fast, improves welding efficiency, reduces the energy consumption.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic welding instrument head technique and specifically relates to an ultrasonic welding device that pulse current generates heat is related to.
Background
Sound waves with a frequency greater than 20kHz are called ultrasound. The vibration of ultrasonic waves in the liquid brazing filler metal is utilized to generate a cavitation phenomenon in the liquid brazing filler metal, and an oxide film on the surface of a base metal can be damaged by shock waves formed after cavitation bubbles collapse, so that the wetting combination of the brazing filler metal and the base metal is realized, namely, the ultrasonic-assisted brazing. The ultrasonic auxiliary brazing can realize brazing without using brazing flux under the non-vacuum condition, and is widely applied to the connection of various structural parts and electronic components.
During the welding process, the ultrasonic time and welding temperature are the main factors affecting the joint structure including structural strength and electrical properties. At present, an ultrasonic welding tool head heats a main body of an upper middle portion of the ultrasonic welding tool head through an externally mounted heating device, and heat is conducted to a cutter body of a lower end of the ultrasonic welding tool head through the main body. The temperature control of the cutter body has large hysteresis and slow heating speed, and in the prior art, the cooling speed is slow because the heat is radiated by a fan in the cooling process; in a welding period, the temperature rise time of the ultrasonic welding tool head generally needs about 15-20 seconds, and the temperature fall time also needs 15-20 seconds, so the welding efficiency is low.
The external heating structure has large heat energy loss, so the energy consumption is higher.
In addition, the external heating structure has a large heating area due to the heat source exposed outside, and is easy to scald operators, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an internal heating ultrasonic welding instrument head improves welding efficiency, and the programming rate is fast, and the cooling rate is fast, reduces the energy consumption, improves factor of safety.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: the utility model provides an ultrasonic welding device that pulse current generates heat, includes ultrasonic tool head, and ultrasonic tool head includes the ultrasonic tool head main part that forms by the equipment of two at least metal cylinder, and an at least ultrasonic welding cutter body is installed to the lower part of ultrasonic tool head main part, and ultrasonic welding cutter body electric connection is in two corresponding metal cylinder, and the metal cylinder is provided with the portion of connecting electricity that is used for inserting pulse power.
Furthermore, the ultrasonic tool head comprises at least one group of ultrasonic conducting groups, each group of ultrasonic conducting groups comprises two metal cylinders, and the two metal cylinders, the ultrasonic welding cutter body and the pulse power supply of the same group of ultrasonic conducting groups are connected in series to form a pulse current loop; the metal columns are fixed relatively to each other to form the ultrasonic tool head main body, and an insulating gasket is arranged between every two adjacent metal columns.
Furthermore, the ultrasonic welding device comprises an ultrasonic generator and an ultrasonic amplitude transformer, the ultrasonic generator is electrically connected with the ultrasonic amplitude transformer, a connecting rod is installed at the top of the ultrasonic tool head main body and connected with the ultrasonic amplitude transformer, and an insulating gasket is installed at the top of the ultrasonic tool head main body.
Furthermore, the ultrasonic welding device is provided with a pulse power supply, two corresponding metal cylinders forming the ultrasonic tool head main body and the ultrasonic welding cutter body are connected in series to form a pulse current loop, the ultrasonic welding cutter body is provided with two conductive installation parts, and the two conductive installation parts are respectively fixedly connected in series with the two metal cylinders in the same pulse current loop.
Furthermore, the ultrasonic welding cutter body is provided with at least one partition groove and/or partition opening, the ultrasonic welding cutter body is partitioned by the partition groove and/or the partition opening to form two conductive mounting parts and a welding cutter head, the lower parts of the two conductive mounting parts are respectively connected to two end parts of the welding cutter head, the resistance value of the welding cutter head is greater than that of the conductive mounting parts, and the resistance value of the welding cutter head is greater than that of the metal cylinder.
Furthermore, the ultrasonic tool head comprises at least one group of ultrasonic conducting sets, each group of ultrasonic conducting sets comprises two metal cylinders and two ultrasonic welding cutter bodies, the upper parts of the conducting installation parts are respectively fixed at the lower parts of the two metal cylinders of the same group of ultrasonic conducting sets, and the two conducting installation parts of the same ultrasonic welding cutter bodies are respectively and electrically communicated with the two metal cylinders of the same group of ultrasonic conducting sets.
Furthermore, the ultrasonic welding cutter body is a sheet metal, the ultrasonic welding cutter body is provided with a longitudinal partition groove extending longitudinally and a transverse partition groove extending transversely, the transverse partition groove is adjacent to the lower side of the ultrasonic welding cutter body, two ends of the transverse partition groove are respectively adjacent to two sides of the ultrasonic welding cutter body, the lower end of the longitudinal partition groove is communicated with the middle part of the transverse partition groove, the upper end of the longitudinal partition groove penetrates through the upper part of the ultrasonic welding cutter body, the ultrasonic welding cutter bodies positioned on the left side and the right side of the longitudinal partition groove respectively form the conductive mounting parts, the ultrasonic welding cutter body positioned below the transverse partition groove forms the welding cutter head, the welding cutter head is in a long and thin shape, and a crimping cutter edge is formed at the bottom of the welding cutter head and used for crimping a to-be-welded base metal or a welding line.
Furthermore, the ultrasonic tool head is only provided with one group of the ultrasonic conductive group, two of the ultrasonic conductive group are formed by the metal cylinders which are in the shape of a semi-cylinder, the two metal cylinders are fixed relatively and form a cylinder, the insulating gasket for isolating the two metal cylinders is fixed on the joint surface of the two metal cylinders, the insulating gasket for covering the top surface of the ultrasonic tool head body is fixed on the top of the two metal cylinders, and one of the electric connection part is arranged on the side surface of each of the two metal cylinders.
Furthermore, the electric connection part comprises a wiring platform arranged on the side surface of the metal column body and a threaded opening arranged on the wiring platform, a screw is screwed in the threaded opening and used for fixing an electric wire connected with a pulse power supply, the top of the ultrasonic tool head main body is provided with an installation opening, a connecting rod is fixed on the installation opening, and the upper part of the connecting rod extends out of the upper part of an insulating gasket fixed on the top of the metal column body; the electric connection part is arranged in the middle of the metal column.
Furthermore, the lower parts of the two metal cylinders of the same ultrasonic conductive group are provided with a step part, and the two conductive mounting parts of the ultrasonic welding cutter body are respectively fixed on the corresponding step parts through screws; the conductive section of the metal column is at least 5-50 times of that of the conductive mounting part, and the conductive section of the metal column is at least 10-200 times of that of the welding tool bit.
After the structure is adopted, compared with the prior art, the utility model the advantage that has is:
1. the utility model discloses a metal cylinder and cutter body among the ultrasonic tool head form the return circuit, simple structure, and is with low costs, utilizes pulse current through the cutter body that the electric resistance value is bigger relatively, makes the cutter body generate heat, and other parts of ultrasonic tool head do not basically generate heat, and the programming rate is fast, and the cooling rate is fast, improves welding efficiency, reduces the energy consumption.
2. The ultrasonic tool bit is small in size, only the welding tool bit generates heat in the welding process, other parts except the cutter body do not generate heat basically in the welding process, and the safety coefficient is high, so that operators are not easy to scald.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a temperature profile of a welding tip during ultrasonic welding.
1. The ultrasonic tool bit comprises an ultrasonic tool bit main body 11, a metal column 12, an ultrasonic welding cutter body 121, a conductive mounting part 122, a welding cutter bit 123, a transverse partition groove 124, a longitudinal partition groove 13, an electric connection part 131, a wiring platform 14, a connecting rod 15 and a step part.
2. And an insulating gasket.
3. An electric wire.
Detailed Description
The following are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby.
An ultrasonic welding device with pulse current heating is shown in fig. 1 to 4 and comprises an ultrasonic generator, an ultrasonic amplitude transformer and an ultrasonic tool head, wherein the ultrasonic tool head comprises at least one group of ultrasonic conducting sets, each group of ultrasonic conducting sets comprises two metal cylinders 11, and the two metal cylinders 11, an ultrasonic welding cutter body 12 and a pulse power supply of the same group of ultrasonic conducting sets are connected in series to form a pulse current loop; the ultrasonic tool head comprises an ultrasonic tool head main body 1, wherein the metal cylinders 11 are fixed oppositely to form the ultrasonic tool head main body 1, an insulating gasket 2 is arranged between every two adjacent metal cylinders 11, an ultrasonic generator is electrically connected with an ultrasonic amplitude transformer, a connecting rod 14 is arranged at the top of the ultrasonic tool head main body 1, the connecting rod 14 is connected with the ultrasonic amplitude transformer, and the insulating gasket 2 is arranged at the top of the ultrasonic tool head main body 1. Specifically, the ultrasonic tool head comprises an ultrasonic tool head main body 1 formed by assembling at least two metal cylinders 11, at least one ultrasonic welding cutter body 12 is installed at the lower part of the ultrasonic tool head main body 1, the ultrasonic welding cutter body 12 is electrically connected to the corresponding two metal cylinders 11, and the metal cylinders 11 are provided with electric connection parts 13 used for being connected with a pulse power supply. The utility model discloses a metal cylinder 11 and cutter body among the ultrasonic tool head form the return circuit, simple structure, and is with low costs, utilizes pulse current through the cutter body that the electric resistance value is bigger relatively, makes the cutter body generate heat, and other parts of ultrasonic tool head do not basically generate heat, and the programming rate is fast, and the cooling rate is fast, improves welding efficiency, reduces the energy consumption.
The ultrasonic tool head is small in size, only the welding tool bit 122 generates heat in the welding process, other parts except the cutter body do not generate heat basically in the welding process, and the safety coefficient is high, so that operators are not easy to scald.
Of course, the ultrasonic tool head may be formed by fixing two sets of ultrasonic conducting sets, or the ultrasonic tool head may be formed by fixing three or more sets of ultrasonic conducting sets.
Of course, two ultrasonic welding blades 12 are mounted on the lower portion of the ultrasonic tool head body 1, three or more ultrasonic welding blades 12 are mounted on the lower portion of the ultrasonic tool head body 1, and two conductive mounting portions 121 of each ultrasonic welding blade 12 are respectively mounted with two metal columns 11 of a corresponding ultrasonic conductive set.
The metal columns 11 may be connected and fixed by various insulated connectors, such as by screw-fastening, such as by insulated fasteners or brackets, such as by insulated retaining rings, such as by tape wrapping.
The ultrasonic tool head body 1 fixed by the metal cylinder 11 is in a cylinder shape, and can be a cylinder or a polygonal cylinder.
Specifically, the ultrasonic welding device is provided with a pulse power supply, two corresponding metal cylinders 11 and an ultrasonic welding cutter body 12 which form the ultrasonic tool head main body 1 are connected in series to form a pulse current loop, the ultrasonic welding cutter body 12 is provided with two conductive mounting parts 121, the two conductive mounting parts 121 are respectively and fixedly connected with the two metal cylinders 11 in the same pulse current loop in series, the ultrasonic welding cutter body 12 is provided with at least one partition groove and/or partition opening, the ultrasonic welding cutter body 12 is partitioned by the partition groove and/or partition opening to form two conductive mounting parts 121 and a welding cutter head 122, the lower parts of the two conductive mounting parts 121 are respectively connected to two end parts of the welding cutter head 122, the conductive section of the metal cylinder 11 is at least 5-50 times of the conductive section of the conductive mounting part 121, and the conductive section of the metal cylinder 11 is at least 10-200 times of the conductive section of the welding cutter. The resistance value of the welding tip 122 is larger than that of the conductive mounting portion 121, and the resistance value of the welding tip 122 is larger than that of the metal cylinder 11. Therefore, in the same pulse current loop, the heating value of the welding tool bit 122 is much larger than that of the conductive mounting part 121, the heating value of the metal cylinder 11 is very small, the metal cylinder 11 basically does not generate heat, the metal cylinder 11 serves as a conductor of ultrasonic waves, the metal cylinder 11 serves as a conductor of pulse current at the same time, and similarly, the conductive mounting part 121 serves as a conductor of ultrasonic waves, the conductive mounting part 121 serves as a conductor of pulse current at the same time, the welding tool bit 122 is used for pressing and connecting the components to be welded, the welding tool bit 122 itself serves as a heating element, and the welding tool bit 122 conducts the ultrasonic waves and the heat to the components to be welded at the same.
Of course, a barrier layer or insulator may be secured to the bottom of the welding tip 122.
In the welding process, after the pulse power supply is switched on electrically, the two corresponding metal cylinders 11 of the ultrasonic tool head main body 1 are ultrasonically welded, and the cutter body 12 bears pulse current, wherein the metal cylinders 11 are not heated basically because the volume and the conductive section of the metal cylinders 11 are relatively large, the resistance of the metal cylinders 11 is very small, and the metal cylinders 11 cannot scald the hands and the operators accidentally. And relative metal cylinder 11, the electrically conductive cross-section that is the welding tool bit 122 of elongated shape in the ultrasonic welding cutter body 12 is very little, the resistance of welding tool bit 122 is very big relatively, the volume of welding tool bit 122 is very little in addition, the power of required pulse power supply or pulse current are relatively less, consequently welding tool bit 122 generates heat rapidly after letting in pulse current, and the calorific capacity of welding tool bit 122 is greater than electrically conductive installation department 121 and metal cylinder 11 far away, and need not powerful pulse power supply just can satisfy the welding temperature that welding tool bit 122 needs, temperature control in the welding process is more accurate and stable, temperature fluctuation is littleer.
Specifically, each group of ultrasonic conductive groups includes two metal cylinders 11, the upper portions of the two conductive mounting portions 121 of the same ultrasonic welding cutter body 12 are respectively fixed to the lower portions of the two metal cylinders 11 of the same group of ultrasonic conductive groups, and the two conductive mounting portions 121 of the same ultrasonic welding cutter body 12 are respectively electrically communicated with the two metal cylinders 11 of the same group of ultrasonic conductive groups. The lower parts of the two metal columns 11 of the same ultrasonic conductive group are provided with a step part 15, the two conductive mounting parts 121 of the ultrasonic welding cutter body 12 are respectively fixed on the corresponding step parts 15 through screws, and the ultrasonic welding cutter body 12 is fixed while the electric connection is realized.
In the preferred embodiment, the ultrasonic tool head has only one group of ultrasonic conductive groups, the two metal cylinders 11 forming the ultrasonic conductive groups are semi-cylindrical, the two metal cylinders 11 are fixed relatively by insulating screws and form a cylindrical ultrasonic tool head body 1, the interface of the two metal cylinders 11 is fixed with an insulating gasket 2 for isolating the two metal cylinders 11, so that the two metal cylinders 11 are isolated relatively and insulated relatively, the top of the two metal cylinders 11 is fixed with an insulating gasket 2 covering the top surface of the ultrasonic tool head body 1, so that the upper parts of the two metal cylinders 11 are insulated, and an insulating layer can be coated on the outer edge of each metal cylinder 11 or the outer edge of the whole ultrasonic tool head body 1 formed by the metal cylinders 11 to eliminate the risk of electric leakage.
The side surfaces of the two metal columns 11 are respectively provided with an electric connection part 13, each electric connection part 13 comprises a wiring platform 131 arranged on the side surface of each metal column 11 and a threaded port arranged on the wiring platform 131, and the threaded ports are screwed with screws for fixing the electric wires 3 connected with the pulse power supply. The electric connection part 13 is arranged in the middle of the metal column 11, and after the electric connection, only the lower part of the metal column 11 is connected to a pulse current loop, and no pulse current exists in the upper part of the metal column 11.
The top of the ultrasonic tool head main body 1 is provided with a mounting opening, a connecting rod 14 is fixed on the mounting opening, the upper part of the connecting rod 14 extends out of the upper part of the insulating gasket 2 fixed on the top of the metal column 11, and is connected with an ultrasonic amplitude transformer through the connecting rod 14, so that the ultrasonic tool head is mounted on ultrasonic welding equipment, ultrasonic wave conduction is realized, and the ultrasonic wave is conducted to the welding tool bit 122 to realize ultrasonic welding.
The ultrasonic welding cutter body 12 is a sheet metal, the ultrasonic welding cutter body 12 is provided with a longitudinally extending longitudinal partition groove 124 and a transversely extending transverse partition groove 123, the transverse partition groove 123 is adjacent to the lower side of the ultrasonic welding cutter body 12, two ends of the transverse partition groove 123 are respectively adjacent to two sides of the ultrasonic welding cutter body 12, the lower end of the longitudinal partition groove 124 is communicated with the middle part of the transverse partition groove 123, the upper end of the longitudinal partition groove 124 penetrates through the upper part of the ultrasonic welding cutter body 12, the ultrasonic welding cutter bodies 12 positioned at the left side and the right side of the longitudinal partition groove 124 are respectively provided with a conductive mounting part 121, the ultrasonic welding cutter body 12 positioned below the transverse partition groove 123 is provided with a welding cutter head 122, the welding cutter head 122 is formed by partitioning the ultrasonic welding cutter body 12, the welding cutter head 122 is in a slender shape, so that the welding cutter head 122 has a larger resistance value, and the power required by heating the welding cutter head 122 to a set welding, the bottom of the welding tool bit 122 is formed with a crimping blade for crimping a base material or a welding line to be welded.
In the prior art, it takes 30 to 60 seconds to raise the temperature of the welding tip 122 of the ultrasonic welding cutter body 12 from a normal temperature to a set welding temperature, for example, raising the temperature of the welding tip 122 from 25 ℃ to 400 ℃, and after the welding is completed, it also takes 30 to 60 seconds to lower the temperature of the welding tip 122 from the set welding temperature to the normal temperature, and a cooling mechanism needs to be installed, and the welding efficiency is extremely low.
And the utility model discloses only need 2-3 seconds to weld tool bit 122 from 25 ℃ rising temperature to 400 ℃, figure 4 shows, weld tool bit 122 also only needs 2-4 seconds from 400 ℃ cooling to 25 ℃, and does not need to install cooling body.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides an ultrasonic welding device that pulse current generates heat, includes supersound tool bit, its characterized in that: the ultrasonic tool head comprises an ultrasonic tool head main body (1) formed by assembling at least two metal cylinders (11), at least one ultrasonic welding cutter body (12) is installed at the lower part of the ultrasonic tool head main body (1), the ultrasonic welding cutter body (12) is electrically connected to the corresponding two metal cylinders (11), and the metal cylinders (11) are provided with electric connection parts (13) used for being connected into a pulse power supply.
2. A pulsed current exothermic ultrasonic welding apparatus according to claim 1, wherein: the ultrasonic tool head comprises at least one group of ultrasonic conducting groups, each group of ultrasonic conducting groups comprises two metal cylinders (11), and two metal cylinders (11) and an ultrasonic welding cutter body (12) of the same group of ultrasonic conducting groups are connected with the pulse power supply in series to form a pulse current loop; the metal cylinders (11) are fixed relatively to form the ultrasonic tool head main body (1), and an insulating gasket (2) is arranged between every two adjacent metal cylinders (11).
3. A pulsed current exothermic ultrasonic welding apparatus according to claim 1, wherein: the ultrasonic welding device comprises an ultrasonic generator and an ultrasonic amplitude transformer, wherein the ultrasonic generator is electrically connected with the ultrasonic amplitude transformer, a connecting rod (14) is installed at the top of the ultrasonic tool head main body (1), the connecting rod (14) is connected with the ultrasonic amplitude transformer, and an insulating gasket (2) is installed at the top of the ultrasonic tool head main body (1).
4. A pulsed current exothermic ultrasonic welding apparatus according to claim 1, wherein: the ultrasonic welding device is provided with a pulse power supply, two corresponding metal cylinders (11) and the ultrasonic welding cutter body (12) which form the ultrasonic tool head main body (1) are connected in series to form a pulse current loop, the ultrasonic welding cutter body (12) is provided with two conductive installation parts (121), and the two conductive installation parts (121) are respectively fixedly connected with the two metal cylinders (11) in the same pulse current loop in series.
5. The pulsed current exothermic ultrasonic welding apparatus according to any one of claims 1 to 4, wherein: the ultrasonic welding cutter body (12) is provided with at least one partition groove and/or partition opening, the ultrasonic welding cutter body (12) is partitioned into two conductive installation parts (121) and a welding cutter head (122) through the partition groove and/or the partition opening, the lower parts of the two conductive installation parts (121) are respectively connected to two end parts of the welding cutter head (122), the resistance value of the welding cutter head (122) is larger than that of the conductive installation parts (121), and the resistance value of the welding cutter head (122) is larger than that of the metal cylinder (11).
6. The pulsed current exothermic ultrasonic welding apparatus according to claim 5, wherein: the ultrasonic tool head comprises at least one group of ultrasonic conducting groups, each group of ultrasonic conducting groups comprises two metal cylinders (11) and is identical to two of the ultrasonic welding cutter body (12), the upper parts of the conducting installation parts (121) are respectively fixed at the lower parts of the two metal cylinders (11) of the same group of ultrasonic conducting groups, and the two conducting installation parts (121) of the same ultrasonic welding cutter body (12) are respectively and electrically communicated with the two metal cylinders (11) of the same group of ultrasonic conducting groups.
7. The pulsed current exothermic ultrasonic welding apparatus of claim 6, wherein: the ultrasonic welding cutter body (12) is a sheet metal, the ultrasonic welding cutter body (12) is provided with a longitudinally extending longitudinal partition groove (124) and a transversely extending transverse partition groove (123), the transverse partition groove (123) is adjacent to the lower side of the ultrasonic welding cutter body (12), two ends of the transverse partition groove (123) are respectively adjacent to two sides of the ultrasonic welding cutter body (12), the lower end of the longitudinal partition groove (124) is communicated with the middle part of the transverse partition groove (123), the upper end of the longitudinal partition groove (124) penetrates through the upper part of the ultrasonic welding cutter body (12), the ultrasonic welding cutter bodies (12) positioned on the left side and the right side of the longitudinal partition groove (124) are respectively provided with the conductive mounting part (121), the ultrasonic welding cutter body (12) positioned below the transverse partition groove (123) is provided with the welding cutter head (122), the welding cutter head (122) is in a slender shape, and a knife edge is formed at the bottom of the welding cutter head (122), used for crimping the parent metal or the welding wire to be welded.
8. The pulsed current exothermic ultrasonic welding apparatus of claim 6, wherein: the ultrasonic tool head is only one set of ultrasonic conductive group constitutes two of ultrasonic conductive group metal cylinder (11) are the half cylinder shape, and two metal cylinder (11) relatively fixed and form a cylinder shape ultrasonic tool head main part (1), the face of meeting of two metal cylinder (11) are fixed with insulating pad (2) of keeping apart two metal cylinder (11), and the top of two metal cylinder (11) is fixed with the cover insulating pad (2) of the top surface of ultrasonic tool head main part (1), the side of two metal cylinder (11) is provided with one respectively connect electric portion (13).
9. A pulsed current exothermic ultrasonic welding apparatus according to claim 8, wherein: the electric connection part (13) comprises a wiring table (131) arranged on the side surface of the metal column body (11) and a threaded port arranged on the wiring table (131), a screw is screwed in the threaded port and used for fixing an electric wire (3) connected with a pulse power supply, the top of the ultrasonic tool head main body (1) is provided with an installation port, a connecting rod (14) is fixed on the installation port, and the upper part of the connecting rod (14) extends to the upper part of an insulating gasket (2) fixed on the top of the metal column body (11); the electric connection part (13) is arranged in the middle of the metal column (11).
10. The pulsed current exothermic ultrasonic welding apparatus according to claim 6, wherein: a step part (15) is arranged at the lower part of the two metal cylinders (11) of the same ultrasonic conductive group, and the two conductive mounting parts (121) of the ultrasonic welding cutter body (12) are respectively fixed on the corresponding step parts (15) through screws; the conductive section of the metal column (11) is at least 5-50 times of that of the conductive mounting part (121), and the conductive section of the metal column (11) is at least 10-200 times of that of the welding tool bit (122).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921563355 | 2019-09-19 | ||
| CN2019215633556 | 2019-09-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110508920A (en) * | 2019-09-19 | 2019-11-29 | 东莞市新玛博创超声波科技有限公司 | A kind of ultrasonic welding device of pulse current fever |
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2019
- 2019-09-24 CN CN201910901962.7A patent/CN110508920B/en active Active
- 2019-09-24 CN CN201921587417.7U patent/CN210848776U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110508920A (en) * | 2019-09-19 | 2019-11-29 | 东莞市新玛博创超声波科技有限公司 | A kind of ultrasonic welding device of pulse current fever |
| CN110508920B (en) * | 2019-09-19 | 2024-04-26 | 东莞市新玛博创超声波科技有限公司 | Ultrasonic welding device with pulse current heating function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110508920B (en) | 2024-04-26 |
| CN110508920A (en) | 2019-11-29 |
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