CN210281064U - Ultrasonic continuous welding mechanism - Google Patents
Ultrasonic continuous welding mechanism Download PDFInfo
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- CN210281064U CN210281064U CN201920908143.0U CN201920908143U CN210281064U CN 210281064 U CN210281064 U CN 210281064U CN 201920908143 U CN201920908143 U CN 201920908143U CN 210281064 U CN210281064 U CN 210281064U
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Abstract
The utility model belongs to the technical field of ultrasonic welding, concretely relates to ultrasonic continuous welding mechanism. The ultrasonic continuous welding mechanism comprises an assembly substrate, a driving cylinder, a sliding bottom plate and an ultrasonic power source, wherein a guide rail is arranged on the assembly substrate, the sliding bottom plate slides in a matched mode through a sliding block and the guide rail, an assembly seat is arranged on the sliding bottom plate, a synchronous motor and the ultrasonic power source are arranged on the assembly seat, the ultrasonic power source is connected with a roller through an amplitude transformer, the roller is driven through a transmission belt through a belt wheel at the output end of the synchronous motor on the assembly seat, and a balance weight is assembled on the sliding bottom plate. The beneficial effects are as follows: the fluctuation amount of the pressure is small, the production and use cost of equipment can be saved, the maintenance is convenient, the welding quality is improved, the welded indentation is in a reticulate pattern shape, and the reticulate pattern indentation is two times more than a horseshoe-shaped indentation welding spot in the same area, so that the welding surface occupation ratio is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of ultrasonic welding, concretely relates to ultrasonic continuous welding mechanism.
Background
The ultrasonic welding is to transmit high-frequency vibration waves to the surfaces of two objects to be welded, and simultaneously apply certain pressure to the welding surface to enable the surfaces of the two objects to be mutually rubbed to form fusion between molecular layers, the ultrasonic welding is to convert 50/60 Hz (electric energy) into 15K, 20K, 30K or 40K Hz high-frequency electric energy through an ultrasonic generator, the converted electric energy is converted into mechanical motion with the same frequency through a transducer again, then the mechanical motion is transmitted to a welding head on a welding part through a set of amplitude transformer devices capable of adjusting amplitude, the welding head transmits the received vibration energy to a welding joint of a workpiece to be welded, in the region, the vibration energy is converted into heat energy through a friction mode, and the welding part of the workpiece is melted to complete the welding. The welding process is performed simultaneously with the movement of the weld joint, and continuous ultrasonic welding can be achieved.
The physical quantities that need to be controlled for ultrasonic continuous welding are the welding time, the positive pressure applied to the workpiece during welding, and the energy required for welding. The continuous ultrasonic welding can realize the control of the welding time through the control of the moving speed of the welding material; the positive pressure of welding is applied to a roller serving as a welding head by the auxiliary assembly and is applied by the pressing force of the roller; the energy required for welding is provided by the associated energy control assembly. The roller is directly contacted with a workpiece in the welding process, and needs to bear pressure and transfer welding energy, and the selection of the material has important influence on the welding quality.
The existing ultrasonic continuous welding mechanism adopts a pneumatic element to adjust pressure, the force of a cylinder is controlled by a pressure control valve generally, the welding pressure can be conveniently adjusted, but the stability of the pressure is influenced by air pressure fluctuation, and the manufacturing, using and maintaining costs of the pneumatic element for a fixed welding production line are higher.
The welding head of the ultrasonic welding mechanism can float along with the appearance of the workpiece under the influence of the shape of the workpiece, the existing floating device adopts four or more linear bearings, the appearance size of the ultrasonic welding mechanism is larger for ensuring that the stress is not eccentric, the precision and the service life of the linear bearings are also influenced by working conditions, and once the precision is reduced, the welding quality is also influenced.
The current manufacturing material of the roller welded by ultrasonic is carbon steel which is subjected to heat treatment, the roller and the connecting rod adopt a split structure, the replacement is convenient, but for a fixed production line, the replacement of the structure can influence the continuity of welding, and further the production is influenced. Meanwhile, the welding indentation generated by the existing roller is in a horseshoe shape, can meet the requirement of part on the sealing property of the welding seam, and has a rising space.
The energy supply assembly of the existing ultrasonic welding module can provide 900W of rated power and electric energy with the actual power of 200W and the frequency of 35kHz, and the control of the energy is realized through the analog circuit on the control board.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a remedy prior art's defect provides an ultrasonic continuous welding mechanism.
The utility model discloses a realize through following technical scheme:
the utility model provides an ultrasonic continuous welding mechanism, includes assembly substrate, drives actuating cylinder, sliding bottom plate and ultrasonic power source, the last guide rail that is equipped with of assembly substrate, sliding bottom plate pass through the slider and slide with the guide rail cooperation, the last assembly seat that is equipped with of sliding bottom plate is equipped with synchronous machine and ultrasonic power source on the assembly seat, and the ultrasonic power source passes through the amplitude transformer and is connected with the gyro wheel, and the gyro wheel carries out the transmission through driving belt through the band pulley of the synchronous machine output on the assembly seat, the last counter weight that is equipped with of sliding bottom plate.
Furthermore, the sliding bottom plate is connected with a connecting block on the sliding bottom plate through a driving cylinder on the assembling substrate so as to drive the sliding bottom plate to slide on a guide rail on the assembling substrate.
Furthermore, the assembly seat is connected with the sliding bottom plate through a connecting plate, and the assembly seat is vertically connected with the connecting plate.
Furthermore, the synchronous motor is positioned on the upper surface of the assembling seat, the ultrasonic power source is assembled on the lower surface of the assembling seat, and the ultrasonic power source conducts the roller through the amplitude transformer.
Furthermore, a connecting rod is arranged on the roller, and the roller is connected with a driving wheel assembly matched with the driving belt through the connecting rod and a synchronous motor.
Furthermore, the roller is made of Hap72 steel.
Furthermore, the ultrasonic power source is controlled by a digital automatic frequency tracking circuit.
The utility model has the advantages that: the counter weight determined during debugging exerts pressure, so that the pressure transmitted to the roller can be kept stable, the fluctuation amount of the pressure is small, the device is suitable for being used on a production line with stable welding working conditions, compared with a component for controlling the pressure by a pneumatic element, the device can save the equipment production and use cost, and is convenient to maintain, the up-and-down floating of the roller is completed by the guide rail relative to the up-and-down movement of the sliding block during working, the bearing capacity of the device is improved, the precision and the service life are correspondingly improved, the roller is driven by a stepping motor to rotate, the slippage generated when the roller is welded with a workpiece can be reduced, the welding quality is improved, the welded indentation is in a reticulate shape, the reticulate indentation is two times more than a horseshoe-shaped indentation welding point in the same area, and.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic structural diagram of the roller of the present invention.
In the figure, 1 balance weight, 2 guide rails, 3 sliding blocks, 4 synchronous motors, 5 belt wheels, 6 ultrasonic power sources, 7 rollers, 8 amplitude transformer rods, 9 connecting rods, 10 sliding bottom plates, 11 connecting plates, 12 assembling seats, 13 driving cylinders, 14 connecting blocks and 15 assembling substrates.
Detailed Description
Fig. 1-3 show an embodiment of the present invention. The utility model discloses an ultrasonic continuous welding mechanism, including assembly substrate 15, drive actuating cylinder 13, sliding bottom plate 10 and ultrasonic power source 6, be equipped with guide rail 2 on the assembly substrate 15, sliding bottom plate 10 slides through slider 3 and guide rail 2 cooperation, be equipped with assembly seat 12 on the sliding bottom plate 10, be equipped with synchronous machine 4 and ultrasonic power source 6 on the assembly seat 12, ultrasonic power source 6 is connected with gyro wheel 7 through become width of cloth pole 8, and gyro wheel 7 carries out the transmission through the transmission belt through 5 band pulleys of synchronous machine 4 outputs on the assembly seat 12, sliding bottom plate is last to be equipped with counter weight 1.
Further, the sliding bottom plate 10 is connected with a connecting block 14 on the sliding bottom plate 10 through a driving cylinder 13 on a mounting substrate 15 so as to drive the sliding bottom plate 10 to slide on the guide rail 2 on the mounting substrate 15.
Further, the assembling seat 12 is connected with the sliding bottom plate 10 through the connecting plate 11, and the assembling seat 12 is vertically connected with the connecting plate 11.
Further, the synchronous motor 4 is arranged on the upper surface of the assembling seat 12, the ultrasonic power source 6 is assembled on the lower surface of the assembling seat 12, and the ultrasonic power source 6 conducts the roller 7 through the amplitude transformer 8.
Furthermore, a connecting rod 9 is arranged on the roller 7, and the roller 7 is connected with a driving wheel component matched with the synchronous motor 4 and the driving belt through the connecting rod 9.
Furthermore, the roller 7 is made of Hap72 steel.
The utility model discloses an ultrasonic continuous welding mechanism, 1 application pressure of counter weight confirmed during through the debugging for the pressure that transmits gyro wheel 7 can keep steady, the fluctuation volume of pressure is little, be fit for using at the stable production line of welding condition, pneumatic element control pressure's subassembly relatively, can save equipment and put into production and use cost, and it is convenient to maintain, compare with current ultrasonic welding equipment correlation structure, adopted linear guide rail 2 as the sliding pair, the during operation gyro wheel 7's fluctuation is accomplished by reciprocating of guide rail 2 for slider 3. The bearing capacity is improved, the precision and the service life are correspondingly improved, the roller 7 is driven by the stepping motor to rotate, the slippage generated when the roller 7 is welded with a workpiece can be reduced, the welding quality is improved, wherein the roller 7 with higher material requirements adopts Japanese imported material Hap72 with excellent performance, the roller 7 and the connecting rod 9 adopt an integrated structure, the replacement is convenient and the durability is improved, compared with the prior equipment, the welded indentation is in a reticulate pattern shape, the reticulate indentation is two times more than a horseshoe-shaped indentation welding point in the same area, so the welding surface occupation ratio is greatly improved, the ultrasonic continuous welding mechanism adopts a digital automatic frequency tracking circuit, so the accurate control on energy can be realized, the ideal ultrasonic continuous welding state can be favorably achieved, meanwhile, the rated power of the ultrasonic power source 6 in the application is 800W, the actual power is 160W, and the frequency is 40kHz, the scheme of high frequency and small amplitude is adopted, so that the welding quality can be further improved, and energy can be saved.
Through comparison of actually measured welding capacity, when the moving speed of a workpiece is 22mm/s, the tensile resistance of a welding line of the existing equipment is 0.5-2.5N, and the tensile resistance measured by the mechanism is more than or equal to 5N; when the moving speed of a workpiece is 8mm/s, the tensile resistance of a welding line of the existing equipment is 3-6N, and the tensile resistance measured by the mechanism is more than or equal to 6N; the welding effect of the existing ultrasonic continuous welding equipment is not stable enough, the insufficient welding and the breakdown occur often, the mechanism of the application does not have the insufficient welding and the breakdown phenomenon, and the welding quality is obviously improved.
The present invention is not limited to the above embodiments, and any person should learn to make under the teaching of the present invention and the present invention has the same or similar technical solution, and all fall into the protection scope of the present invention.
The technology, shape and construction parts which are not described in detail in the present invention are all known technology.
Claims (7)
1. The utility model provides an ultrasonic continuous welding mechanism, includes assembly substrate, drives actuating cylinder, sliding bottom plate and ultrasonic power source, its characterized in that, be equipped with the guide rail on the assembly substrate, sliding bottom plate passes through the slider and slides with the guide rail cooperation, be equipped with the assembly seat on the sliding bottom plate, be equipped with synchronous machine and ultrasonic power source on the assembly seat, the ultrasonic power source passes through the amplitude transformer and is connected with the gyro wheel, and the gyro wheel carries out the transmission through driving belt through the band pulley of the synchronous machine output on the assembly seat, the last counter weight that is equipped with of sliding bottom plate.
2. An ultrasonic continuous welding mechanism according to claim 1, characterized in that: the sliding bottom plate is connected with the connecting block on the sliding bottom plate through the driving cylinder on the assembling substrate so as to drive the sliding bottom plate to slide on the guide rail on the assembling substrate.
3. An ultrasonic continuous welding mechanism according to claim 1, characterized in that: the assembling seat is connected with the sliding bottom plate through a connecting plate and is vertically connected with the connecting plate.
4. An ultrasonic continuous welding mechanism according to claim 1, characterized in that: the synchronous motor is located on the upper surface of the assembling seat, the ultrasonic power source is assembled on the lower surface of the assembling seat, and the ultrasonic power source conducts the roller through the amplitude transformer.
5. An ultrasonic continuous welding mechanism according to claim 1, characterized in that: the roller is provided with a connecting rod and is connected with a driving wheel component matched with the driving belt through the connecting rod and the synchronous motor.
6. An ultrasonic continuous welding mechanism according to claim 1 or 5, characterized in that: the roller is made of Hap72 steel.
7. An ultrasonic continuous welding mechanism according to claim 1, characterized in that: the ultrasonic power source is controlled by a digital automatic frequency following circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908143.0U CN210281064U (en) | 2019-06-17 | 2019-06-17 | Ultrasonic continuous welding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908143.0U CN210281064U (en) | 2019-06-17 | 2019-06-17 | Ultrasonic continuous welding mechanism |
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| Publication Number | Publication Date |
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| CN210281064U true CN210281064U (en) | 2020-04-10 |
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| CN201920908143.0U Active CN210281064U (en) | 2019-06-17 | 2019-06-17 | Ultrasonic continuous welding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799468A (en) * | 2021-01-28 | 2022-07-29 | 无锡鼎加弘思饮品科技有限公司 | Ultrasonic welding device and ultrasonic welding test equipment |
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2019
- 2019-06-17 CN CN201920908143.0U patent/CN210281064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799468A (en) * | 2021-01-28 | 2022-07-29 | 无锡鼎加弘思饮品科技有限公司 | Ultrasonic welding device and ultrasonic welding test equipment |
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