CN203741382U - Novel welding stress eliminating machine - Google Patents
Novel welding stress eliminating machine Download PDFInfo
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- CN203741382U CN203741382U CN201420151822.5U CN201420151822U CN203741382U CN 203741382 U CN203741382 U CN 203741382U CN 201420151822 U CN201420151822 U CN 201420151822U CN 203741382 U CN203741382 U CN 203741382U
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Abstract
The utility model discloses a novel welding stress eliminating machine which comprises a power module, wherein the power module is connected with an ultrasonic control module and an ultrasonic impact module respectively; the ultrasonic impact module comprises an ultrasonic transducer connected with a matching network circuit; the ultrasonic transducer is connected with an ultrasonic amplitude transformer; the ultrasonic amplitude transformer is connected with an ultrasonic tool head. According to the novel welding stress eliminating machine, as the phase locking frequency tracking technology is adopted, the frequency self-adaptive tracking of a signal source full-bridge inverter is realized and the tracking effect is superior to traditional methods and the problem that the novel ultrasonic welding stress eliminating machine cannot continue operating as signal sources and the ultrasonic transducer are mismatched is effectively avoided.
Description
Technical field
The utility model relates to a kind of metal solder stress relieving machine, relates in particular to a kind of Novel welding stress relieving machine, belongs to ultrasonic welding stress relieving technical field.
Background technology
In metal solder process, due to the existence of uneven temperature field, cause weldment differential expansion and contraction, thereby the weldment that is inside produce welding distortion and produces welding stress, thereby directly affecting the fatigue strength of supporting capacity, reduction welding joint and the whole hardware of hardware.In the time running into external force, will produce repeated stress failure or brittle rupture and accidents caused.For improving security and the work-ing life of member, must effectively eliminate or reduce the welding residual stress of member.
The method eliminating stress at present mainly contains thermal life method, natural aging method, oscillating aging method, hammering method, ultrasonic impact method, laser-impact method etc.Wherein ultrasonic impact is a kind of desirable Novel welding stress relieving method, China to the research of ultrasonic impact technology also in the starting stage.And the ultrasonic equipment variation of load and the temperature rise of ultrasonic transducer and tired natural resonance frequency generation drift that all can cause ultrasonic transducer in the time of high power work cause signal source and ultrasonic transducer off resonance and can not work.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of eliminate ultrasonic equipment because of signal source and ultrasonic transducer off resonance cannot continuous firing the Novel welding stress relieving machine of technical barrier.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of Novel welding stress relieving machine, comprises power module, ultrasonic control module and ultrasonic impact module, and described power module is connected with described ultrasonic impact module with described ultrasonic control module respectively;
Power module comprises current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit is connected with DC chopper circuit; DC chopper circuit is connected with full-bridge inverter circuit; Full-bridge inverter circuit is connected with high-frequency transformer circuit; High-frequency transformer circuit is connected with matching network circuit;
Ultrasonic control module comprises the sampling modulate circuit being connected with matching network circuit; Sampling modulate circuit is connected with the flush bonding processor circuit of realizing frequency-tracking control, amplitude constant control and parameter display control; Flush bonding processor circuit is connected with DC chopped-wave driving circuit, full-bridge inverting driving circuit and parameter display circuit respectively; DC chopped-wave driving circuit is connected with DC chopped-wave drive signal circuit; DC chopped-wave drive signal circuit is connected with DC chopper circuit; Full-bridge inverting driving circuit is connected with full-bridge inverting drive signal circuit; Full-bridge inverting drive signal circuit is connected with full-bridge inverter circuit;
Ultrasonic impact module comprises the ultrasonic transducer being connected with matching network circuit, and ultrasonic transducer is connected with ultrasonic amplitude transformer; Ultrasonic amplitude transformer is connected with Ultrasonic probe.
Adopted technique scheme, the beneficial effects of the utility model are:
The utility model is followed the tracks of by the frequency self-adaption that adopts frequency of phase locking tracking technique to realize signal source full-bridge inverter, and tracking effect is better than traditional method, thus make ultrasonic wave stress relieving machine effectively avoided signal source and ultrasonic transducer because of off resonance cannot continuous firing problem.
Brief description of the drawings
Fig. 1 is the system global structure block diagram of the utility model embodiment;
Fig. 2 is the utility model embodiment power module structure block diagram;
Fig. 3 is the ultrasonic control module structured flowchart of the utility model embodiment;
Fig. 4 is the utility model embodiment ultrasonic impact modular structure block diagram.
Wherein: 1, power module 2, ultrasonic control module
3, ultrasonic impact module 201, current rectifying and wave filtering circuit
202, DC chopper circuit 203, full-bridge inverter circuit
204, high-frequency transformer circuit 205, matching network circuit
301, sampling modulate circuit 302, flush bonding processor circuit
303, DC chopped-wave driving circuit 304, bridge inverse changing driving circuit
305, DC chopped-wave drive signal circuit 306, full-bridge inverting drive signal circuit
307, parameter display circuit 401, ultrasonic transducer
402, ultrasonic amplitude transformer 403, Ultrasonic probe.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As Figure 1-4, a kind of Novel welding stress relieving machine, comprises, comprises power module 1, and power module 1 is connected with ultrasonic impact module 3 with ultrasonic control module 2 respectively,
Power module 1 comprises current rectifying and wave filtering circuit 201, and current rectifying and wave filtering circuit 201 is connected with DC chopper circuit 202; DC chopper circuit 202 is connected with full-bridge inverter circuit 203; Full-bridge inverter circuit 203 is connected with high-frequency transformer circuit 204; High-frequency transformer circuit 204 is connected with matching network circuit 205;
Ultrasonic control module 2 comprises the sampling modulate circuit 301 being connected with matching network circuit 205; Sampling modulate circuit 301 is connected with the flush bonding processor circuit 302 of realizing frequency-tracking control, amplitude constant control and parameter display control; Flush bonding processor circuit 302 is connected with DC chopped-wave driving circuit 303, full-bridge inverting driving circuit 304 and parameter display circuit 307 respectively; DC chopped-wave driving circuit 303 is connected with DC chopped-wave drive signal circuit 305; DC chopped-wave drive signal circuit 305 is connected with DC chopper circuit 202; Full-bridge inverting driving circuit 304 is connected with full-bridge inverting drive signal circuit 306; Full-bridge inverting drive signal circuit 306 is connected with full-bridge inverter circuit 203;
Ultrasonic impact module 3 comprises the ultrasonic transducer 401 being connected with matching network circuit 205, and ultrasonic transducer 401 is connected with ultrasonic amplitude transformer 402; Ultrasonic amplitude transformer 402 is connected with Ultrasonic probe 403.
Principle of work of the present utility model is by adopting frequency of phase locking tracking technique to realize the resonance of source of ultrasound signal and ultrasonic impact end, ensureing the continuous firing of ultrasonic impact end.Specifically describe as follows: when system works, first set load end (ultrasonic impact module 3) transverter 401 mid-frequencies, restart frequency sweep program in positive and negative 300Hz interscan.If system resonance, load terminal voltage, current phhase are identical, lock this operating frequency; If system off resonance, just there is voltage difference in voltage, electric current, change phase difference variable into tracking errors voltage by PHASE-LOCKED LOOP PLL TECHNIQUE, utilize Direct Digital Frequency Synthesizer Technology to change the output signal frequency of signal source, the direction that system reduces to phase differential is regulated, reach resonant condition, make system output maximum machine merit.
The utility model is realized frequency of phase locking and is followed the tracks of by collection momentary load terminal voltage, current phhase, and then the frequency self-adaption of realizing signal source full-bridge inverter is followed the tracks of, and tracking effect is better than traditional method, thus make ultrasonic wave stress relieving machine effectively avoided signal source and ultrasonic transducer because of off resonance cannot continuous firing problem.
As shown in Figure 1, a kind of Novel welding stress relieving of the utility model machine comprises power module 1, ultrasonic control module 2, ultrasonic impact module 3.Wherein main realization of power module 1 becomes civil power into 10-100kHz from 50Hz, makes it in Ultrasonic range section, as the signal source of ultrasonic impact module 3; Ultrasonic control module 2, as main control module, is followed the tracks of the variation of ultrasonic impact module 3 resonant frequencies the output signal frequency of feedback control power supply road module 1, realizes the adaptive tracing of ultrasonic signal source frequency; Ultrasonic impact module 3 is for impacting weld.
As shown in Figure 2, power module 1 mainly comprises current rectifying and wave filtering circuit 201, DC chopper circuit 202, full-bridge inverter circuit 203, high-frequency transformer circuit 204, matching network circuit 205 etc., and is connected in series by current rectifying and wave filtering circuit 201, DC chopper circuit 202, full-bridge inverter circuit 203, high-frequency transformer circuit 204, matching network circuit 205 orders.Wherein, current rectifying and wave filtering circuit 201 is converted to civil power the DC voltage and current of rated output, and is added on DC chopper circuit 202, and DC chopper circuit 202 is adjusted output dc voltage size, be applied to full-bridge inverter circuit 203 direct current input sides, realize power control; Meanwhile, in order to follow the tracks of resonant frequency and to realize power control, DC chopper circuit 202 also needs with reference to the accompanying drawings the parameter that in 3, DC chopped-wave driving circuit 303 is fed to, and stablizes output rating; Full-bridge inverter circuit 203 also needs with reference to the accompanying drawings the parameter that in 3, full-bridge inverting driving circuit 304 is fed to, and follows the tracks of the variation of ultrasonic impact circuit 3 module resonant frequencies; Full-bridge inverter circuit 203 is according to tracking frequency, and the volts DS that DC chopper circuit 202 is sent here is converted to high frequency square wave alternating-current, and is applied to high-frequency transformer circuit 204 input terminuss; The high frequency square wave alternating-current that high-frequency transformer circuit 204 is sent full-bridge inverter circuit 203 here fades to required operating voltage, then is fed to overmatching lattice network 205; That the operating voltage that matching network circuit 205 is sent here according to high-frequency transformer 204 is carried out is tuning, filtering process forms the required high-frequency alternating current of ultrasonic impact module 3, as the signal source of ultrasonic impact module 3.
As shown in Figure 3, ultrasonic control module 2 mainly comprises that sampling modulate circuit 301, flush bonding processor circuit 302 are DSP circuit module, DC chopped-wave driving circuit 303, full-bridge inverting driving circuit 304, parameter display circuit 307 etc.Because source of ultrasound signal belongs to the large voltage apparatus of large electric current, can not directly feed back, therefore will be sampled and be nursed one's health by sampling modulate circuit 301, instantaneous power module 1 output voltage of sampling modulate circuit 301 Real-time Collection, current amplitude and both phase differential be also fed to flush bonding processor circuit 302; Flush bonding processor circuit 302 is the core component of ultrasonic control module 2, and the signal gathering according to sampling modulate circuit 301 utilizes frequency-tracking control algolithm to obtain frequency-tracking control parameter, and is fed to full-bridge inverting driving circuit 304; The signal that flush bonding processor circuit 302 gathers according to sampling modulate circuit 301, utilizes amplitude constant control algolithm calculation control amount, then is fed to DC chopped-wave driving circuit 303; Flush bonding processor circuit 302 is by display parameter, and signal source frequency, power etc. that such as current power module 1 is carried are given parameter display circuit 307; DC chopped-wave driving circuit 303 receives the amplitude constant control parameter that flush bonding processor circuit 302 is sent here, then is fed to DC chopper circuit 202; Full-bridge inverting driving circuit 304 receives the frequency-tracking control parameter that flush bonding processor circuit 302 is sent here, then is fed to full-bridge inverter circuit 203; Parameter display circuit 307 receives display parameter the demonstration that flush bonding processor circuit 302 sends.
As shown in Figure 4, ultrasonic impact module 3, mainly comprises ultrasonic transducer 401, ultrasonic amplitude transformer 402 and Ultrasonic probe 403 etc., and is connected in series by ultrasonic transducer 401, ultrasonic amplitude transformer 402, Ultrasonic probe 403 orders.The source of ultrasound signal that wherein ultrasonic transducer 401 is exported according to power module 1 transfers electric energy to mechanical energy, and delivers to ultrasonic amplitude transformer 402; Ultrasonic amplitude transformer 402 amplifies mechanical activation amplitude, and drives Ultrasonic probe 403; Ultrasonic probe 403 vibratory impulses, in addition, because welding region is different, Ultrasonic probe 403 can adopt different forms as duck-beak type, point type etc. as required.
The utility model is not limited to above-mentioned concrete embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion of having done, within all dropping on protection domain of the present utility model.
Claims (1)
1. a Novel welding stress relieving machine, comprises power module, ultrasonic control module and ultrasonic impact module, and described power module is connected with described ultrasonic impact module with described ultrasonic control module respectively, it is characterized in that:
Power module comprises current rectifying and wave filtering circuit, and current rectifying and wave filtering circuit is connected with DC chopper circuit; DC chopper circuit is connected with full-bridge inverter circuit; Full-bridge inverter circuit is connected with high-frequency transformer circuit; High-frequency transformer circuit is connected with matching network circuit;
Ultrasonic control module comprises the sampling modulate circuit being connected with matching network circuit; Sampling modulate circuit is connected with the flush bonding processor circuit of realizing frequency-tracking control, amplitude constant control and parameter display control; Flush bonding processor circuit is connected with DC chopped-wave driving circuit, full-bridge inverting driving circuit and parameter display circuit respectively; DC chopped-wave driving circuit is connected with DC chopped-wave drive signal circuit; DC chopped-wave drive signal circuit is connected with DC chopper circuit; Full-bridge inverting driving circuit is connected with full-bridge inverting drive signal circuit; Full-bridge inverting drive signal circuit is connected with full-bridge inverter circuit;
Ultrasonic impact module comprises the ultrasonic transducer being connected with matching network circuit, and ultrasonic transducer is connected with ultrasonic amplitude transformer; Ultrasonic amplitude transformer is connected with Ultrasonic probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151822.5U CN203741382U (en) | 2014-03-25 | 2014-03-25 | Novel welding stress eliminating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420151822.5U CN203741382U (en) | 2014-03-25 | 2014-03-25 | Novel welding stress eliminating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741382U true CN203741382U (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420151822.5U Expired - Fee Related CN203741382U (en) | 2014-03-25 | 2014-03-25 | Novel welding stress eliminating machine |
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| Country | Link |
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| CN (1) | CN203741382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292481A (en) * | 2016-11-14 | 2017-01-04 | 济南辉腾机电设备有限公司 | The multi-frequency ultrasonic power supply of a kind of touch control and control method thereof |
| CN110504843A (en) * | 2019-07-02 | 2019-11-26 | 温州焕能超声波设备有限公司 | A kind of ultrasonic power |
-
2014
- 2014-03-25 CN CN201420151822.5U patent/CN203741382U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292481A (en) * | 2016-11-14 | 2017-01-04 | 济南辉腾机电设备有限公司 | The multi-frequency ultrasonic power supply of a kind of touch control and control method thereof |
| CN106292481B (en) * | 2016-11-14 | 2019-05-24 | 济南长川数控设备有限公司 | A kind of the multi-frequency ultrasonic power supply and its control method of touch control |
| CN110504843A (en) * | 2019-07-02 | 2019-11-26 | 温州焕能超声波设备有限公司 | A kind of ultrasonic power |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20160325 |