CN107175399B - The welding method of supersonic welder - Google Patents
The welding method of supersonic welder Download PDFInfo
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- CN107175399B CN107175399B CN201710218050.0A CN201710218050A CN107175399B CN 107175399 B CN107175399 B CN 107175399B CN 201710218050 A CN201710218050 A CN 201710218050A CN 107175399 B CN107175399 B CN 107175399B
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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
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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
- B23K20/26—Auxiliary equipment
Abstract
A kind of welding method of supersonic welder, the control model of supersonic welder include that time mode, height mode and energy model increase dynamic height or dynamic power parameter when using time mode welding.When being welded to T-2t, if height detected in the detection cycle of a length of t changes when two adjacent, welding machine continues to output ultrasonic wave, until in next two adjacent detection cycles, detected part height has been no longer changed, and welding stops；Alternatively, when being welded to T-2t, if power change values detected in the detection cycle of a length of t when two adjacent are less than Pmax, then welding machine continues to output ultrasonic wave, until detected power change values are greater than Pmax in next two adjacent detection cycles, then stopping is welded.Workpiece working condition inconsistency can be effectively eliminated in this way to be influenced to welding quality bring, and welding quality is made to keep good and stablize.
Description
Technical field
The present invention relates to ultrasonic bonding, more particularly to a kind of welding method of supersonic welder.
Background technique
Currently, the usual having time mode of the control model of supersonic welder, energy model and height mode.Time mode is
Most simple and most common mode, i.e. ultrasonic energy export one section of predetermined time without considering other parameters.Energy model is logical
The controller based on microprocessor often is needed to measure and record the energy inputted in welding process, and calculates energy (when entire
The integral of interior power).In such a mode, ultrasonic activation is always maintained at, and the energy until being transmitted to workpiece reaches set
Determine to stop when size.Height mode divides absolute altitude mode and relative altitude mode again, and absolute altitude mode is welding machine setting one
A object height, the soldering tip of welding machine reach the welding of this height and position and just stopped.Relative altitude mode is one compression of setting
The numerical value of amount, soldering tip are counted from the height and position for touching workpiece, until the decrement, stopping welding being arrived in walking.
In working condition (such as material, hardness, the thickness, surface cleanness) unanimous circumstances for the workpiece for needing to weld
Under, with certain energy when using ultrasonic welding process, or within certain weld interval, or it is welded to some reasonable thickness
When spending, available relatively good welding quality.But when reality production, it is difficult to ensure that the consistency of supplied materials operating condition, especially golden
Hardness, surface cleanness degree and the thickness for belonging to part will be a certain deviation or error, uses above-mentioned any one in this case
Kind bond pattern cannot all effectively eliminate this deviation bring welding quality unstable.Or in cable wire bonding, very
Being difficult to guarantee every filament in whole stock cable is that same arrangement is very neat, and some of filament twisted wires are often tangled, overlapped
It on other filaments, causes conducting wire tightness different, in this case, is using above-mentioned existing any bond pattern
Welding quality is not can guarantee.
Summary of the invention
For above-mentioned state of the art, the present invention provides a kind of welding method of supersonic welder, effectively eliminates workpiece
Working condition inconsistency is influenced to welding quality bring, and welding quality is made to keep good and stablize.
In order to solve the above-mentioned technical problem, the welding method of a kind of supersonic welder provided by the present invention, the ultrasound
The control model of wave solder includes time mode, height mode and energy model, and the control model of the supersonic welder is also wrapped
Dynamic monitoring mode is included, the welding method includes the following steps:
S1, user select time mode or height mode or energy model, and the weld interval T under setting time mode,
Or the welding and assembling height H under the height mode or welding energy E under energy model；
S2, supersonic welder are welded according to the parameter of setting；
In S3, welding process, judge whether user opens dynamic monitoring mode, if it is, it is transferred to step S4, if
It is no, then it is transferred to step S5；
S4, when user selection control model be time mode when, since being welded to time T-2t, continuously detect duration
For the height change value △ H in the n detection cycle of t, if △ Hn=△ Hn-1 then stops welding, on the contrary then continue to weld；
Or since being welded to time T-2t, when continuous detection a length of t n detection cycle in power change values △ P, if △
Pn- △ Pn-1 > Pmax, then stop welding, on the contrary then continue to weld；N >=2；T described in the t <；
When the control model of user's selection is height mode, since being welded to height as H-2h, continuous detection height
Changing value is the power change values △ P in the n detection cycle of h, on the contrary if △ Pn- △ Pn-1 > Pmax, stops welding
Then continue to weld；N >=2；H described in the h <；
It is continuous to detect since being welded to welding energy as E-2e when the control model of user's selection is energy model
Energy reduced value be e n detection cycle in height change value △ H, stop welding if △ Hn=△ Hn-1, it is on the contrary then
Continue to weld；It is continuous to detect in the n detection cycle that energy reduced value is e or since when being welded to welding energy and being E-2e
Power change values △ P, it is on the contrary then continue to weld if △ Pn- △ Pn-1 > Pmax, stops welding；N >=2；It is described
E described in e <；
Step S5, when the control model of user's selection is time mode, when being welded to time T, stop welding；When with
When the control model of family selection is height mode, when being welded to height is H, stop welding；When the control model of user's selection
When being energy model, when being welded to welding energy is E, stop welding.
T=1/100T~1/10T in one of the embodiments,.
H=1/100H~1/10H in one of the embodiments,.
E=1/100E~1/10E in one of the embodiments,.
The welding method of the supersonic welder of the embodiment of the present invention can be effective using dynamic height or dynamic power parameter
Eliminate workpiece working condition inconsistency influences to welding quality bring, and welding quality is made to keep good and stablize.
Detailed description of the invention
Fig. 1 is the flow chart under the time mode of the welding method of the supersonic welder in the embodiment of the present invention；
Fig. 2 is the flow chart under the height mode of the welding method of the supersonic welder in the embodiment of the present invention；
Fig. 3 is the flow chart under the energy model of the welding method of the supersonic welder in the embodiment of the present invention.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments the present invention is described in detail.It should be noted that not conflicting
In the case of, the feature in following embodiment and embodiment can be combined with each other.
Supersonic welder in the present embodiment has time mode, height mode, energy model and dynamic monitoring mode,.
It is provided with timer in supersonic welder, can recorde weld interval.It is provided with height sensor on the soldering tip of supersonic welder,
It can be with the height (absolute altitude or relative altitude) of real-time detection soldering tip by the sensor.Have in supersonic welder based on micro-
The controller of processor is measured by controller and records the energy inputted in welding process, and calculates the consumption of energy.Dynamically
Monitoring pattern is to detect height or power dynamics as foundation.
Fig. 1 show the flow chart of control model selection time mode.As shown in Figure 1, the welding method of supersonic welder
Include the following steps:
Step S1, user selects time mode；
Step S2, user sets weld interval T；
Step S3, supersonic welder is welded according to the parameter of setting；
Step S4, in welding process, judge whether user opens dynamic monitoring mode, if it is, it is transferred to step S5,
If it is not, then being transferred to step S16；
Step S5, judgement is selection dynamic height or dynamic power, if selection dynamic height, is transferred to step S6,
If selecting dynamic power, it is transferred to step S17；
Step S6, weld interval is calculated；
Step S7, judge whether weld interval reaches T-2t, if it is, step S8 is transferred to, if it is not, then being transferred to step
S6；
Step S8, height change value △ H1 of the detection from time T-2t to T-t in the period；Preferably, t=1/100T~
1/10T, it is further preferred that t=1/60T；
Step S9, height change value △ H2 of the detection in from time T-t to T time section；
Step S10, judge whether △ H2 is equal to △ H1, if it is, S15 is entered step, if it is not, then entering step
S11；
Step S11, height change value △ H3 of the detection from time T to T+t in the period；
Step S12, judge whether △ H3 is equal to △ H2, if it is, S15 is entered step, if it is not, then into next
Step, until the height detected no longer changes.
Step S17, weld interval is calculated；
Step S18, judge whether weld interval reaches T-2t, if it is, step S19 is transferred to, if it is not, then being transferred to step
Rapid S17；
Step S19, power change values △ P1 of the detection from time T-2t to T-t in the period；Preferably, t=1/100T
~1/10T, it is further preferred that t=1/60T；
Step S20, power change values △ P2 of the detection in from time T-t to T time section；
Step S21, judge whether △ P2- △ P1 is greater than Pmax, if it is, S15 is entered step, if it is not, then into
Step S22；
Step S22, power change values △ P3 of the detection from time T to T+t in the period；
Step S23, judge whether △ P3- △ P2 is greater than Pmax, if it is, S15 is entered step, if it is not, then into
In next step, until detected power change values are greater than Pmax；
Step S16, judge whether weld interval reaches T, if it is, step S15 is transferred to, if it is not, then being transferred to step
S3；
Step S15, welding stops.
It is high to increase dynamic when using time mode welding for the welding method of supersonic welder in the embodiment of the present invention
Degree or dynamic power parameter.Since being welded to time T-2t, if detected in the detection cycle of a length of t when two adjacent
To height change, this means material also than more loose, then welding machine continues to output ultrasonic wave, until next two
In a adjacent detection cycle, detected part height has been no longer changed, and welding stops；Alternatively, from being welded to
Time, T-2t started, if power detected in the detection cycle of a length of t when two adjacent does not change or function
Rate changes in the particular range of a very little, this means that material also than more loose, can gently absorb power, then welding machine
Ultrasonic wave is continued to output, until detected power change values are greater than in next two adjacent detection cycles
Pmax (Pmax is the power change values of setting, and the changing value of two moment power is more than that Pmax then can determine whether that part compression is solid),
Then weld stopping.Workpiece working condition inconsistency can be effectively eliminated in this way to be influenced to welding quality bring, makes welding quality
It keeps good and stablizes.
Fig. 2 show the flow chart of control model selection height mode.As shown in Fig. 2, the welding method of supersonic welder
Include the following steps:
Step S1, user selects height mode；
Step S2, user sets welding and assembling height H；
Step S3, supersonic welder is welded according to the parameter of setting；
Step S4, in welding process, judge whether user opens dynamic monitoring mode, if it is, it is transferred to step S5,
If it is not, then being transferred to step S15；
Step S5, welding and assembling height is calculated；
Step S6, judge whether welding and assembling height reaches H-2h, if it is, step S7 is transferred to, if it is not, then being transferred to step
S5；
Step S7, power change values △ P1 of the detection from height H-2h to H-h in height section；Preferably, h=1/100H~
1/10H, it is further preferred that h=1/60H；
Step S8, power change values △ P2 of the detection from height H-h to H in height section；
Step S9, judge whether △ P2- △ P1 is greater than Pmax, if it is, S12 is entered step, if it is not, then entering step
Rapid S10；
Step S10, power change values △ P3 of the detection from height H to H+h in height section；
Step S11, judge whether △ P3- △ P2 is greater than Pmax, if it is, S12 is entered step, if it is not, then into
In next step, until detected power change values are greater than Pmax；
Step S15, judge whether welding and assembling height reaches H, if it is, step S12 is transferred to, if it is not, then being transferred to step
S3；
Step S12, stop welding.
The welding method of supersonic welder in the embodiment of the present invention increases dynamic function when using height mode welding
Rate parameter.Since being welded to height H-2h, if detected in two adjacent height change values is the detection cycles of h
Power do not change or power change values are in the particular range of a very little, this mean material also than more loose,
Power can be gently absorbed, then welding machine continues to output ultrasonic wave, until being examined in next two adjacent detection cycles
The power change values measured are greater than Pmax, then weld stopping.Workpiece working condition inconsistency can be effectively eliminated in this way to welding
Quality bring influences, and welding quality is made to keep good and stablize.
Fig. 3 show the flow chart of control model selection energy model.As shown in figure 3, the welding method of supersonic welder
Include the following steps:
Step S1, user selects energy model；
Step S2, user sets welding energy E；
Step S3, supersonic welder is welded according to the parameter of setting；
Step S4, in welding process, judge whether user opens dynamic monitoring mode, if it is, it is transferred to step S5,
If it is not, then being transferred to step S16；
Step S5, judgement is selection dynamic height or dynamic power, if selection dynamic height, is transferred to step S6,
If selecting dynamic power, it is transferred to step S17；
Step S6, welding energy is calculated；
Step S7, judge whether welding energy is E-2e, if it is, step S8 is transferred to, if it is not, then being transferred to step
S6；
Step S8, height change value △ H1 of the detection from ENERGY E -2e to E-e in energy section；Preferably, e=1/100E~
1/10E；Preferably, e=1/60E.
Step S9, height change value △ H2 of the detection from ENERGY E-e to E in energy section；
Step S10, judge whether △ H2 is equal to △ H1, if it is, S15 is entered step, if it is not, then entering step
S11；
Step S11, height change value △ H3 of the detection in from ENERGY E to E+e energy section；
Step S12, judge whether △ H3 is equal to △ H2, if it is, S15 is entered step, if it is not, then into next
Step, until height no longer changes；
Step S17, welding energy is calculated；
Step S18, judge whether welding energy is E-2e, if it is, step S19 is transferred to, if it is not, then being transferred to step
S17；
Step S19, power change values △ P1 of the detection from ENERGY E -2e to E-e in energy section；Preferably, e=1/100E
~1/10E, it is further preferred that e=1/60E；
Step S20, power change values △ P2 of the detection from ENERGY E-e to E in energy section；
Step S21, judge whether △ P2- △ P1 is greater than Pmax, if it is, S15 is entered step, if it is not, then into
Step S22；
Step S22, power change values △ P3 of the detection in from ENERGY E to E+e energy section；
Step S23, judge whether △ P3- △ P2 is greater than Pmax, if it is, S15 is entered step, if it is not, then into
In next step, until detected power change values are greater than Pmax；
Step S16, judge whether welding energy reaches E, if it is, step S15 is transferred to, if it is not, then being transferred to step
S3；
Step S15, welding stops.
It is high to increase dynamic when using energy model welding for the welding method of supersonic welder in the embodiment of the present invention
Degree or dynamic power parameter.Since being welded to ENERGY E -2e, if in the detection cycle that two adjacent energy change values are e
Detected height changes, then welding machine continues to output ultrasonic wave, until in next two adjacent detection cycles,
Detected part height has been no longer changed, and welding stops；Alternatively, since being welded to ENERGY E -2e, if
In the detection cycle that two adjacent energy change values are e detected power do not change or changed power at one very
In small particular range, this means that material also than more loose, can gently absorb power, then welding machine continues to output ultrasound
Wave, until detected power change values are greater than Pmax in next two adjacent detection cycles, then welding stops
Only.Workpiece working condition inconsistency can be effectively eliminated in this way to be influenced to welding quality bring, and welding quality is made to keep good
And stabilization.
It can be seen that the welding method of the supersonic welder of the embodiment of the present invention, is joined using dynamic height or dynamic power
Number, using height and power dynamic parameter as stop weld foundation, can effectively eliminate workpiece working condition inconsistency to
Welding quality bring influences, and welding quality is made to keep good and stablize.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (1)
1. a kind of welding method of supersonic welder, the control model of the supersonic welder includes time mode, height mode
And energy model, which is characterized in that the control model of the supersonic welder further includes dynamic monitoring mode, the welding method
Include the following steps:
S1, user select time mode, height mode or energy model, and the weld interval T under setting time mode, or high
Welding and assembling height H under the degree mode or welding energy E under energy model；
S2, supersonic welder are welded according to the parameter of setting；
In S3, welding process, judge whether user opens dynamic monitoring mode, if it is, it is transferred to step S4, if not,
Then it is transferred to step S5；
S4, when the control model of user's selection is time mode, since being welded to time T-2t, when continuous detection, is a length of
Height change value △ H in the n detection cycle of t, stops welding if △ Hn=△ Hn-1, on the contrary then continue to weld；
Or since being welded to time T-2t, when detection a length of t n detection cycle in power change values △ P, if △
Pn- △ Pn-1 > Pmax, then stop welding, on the contrary then continue to weld；N >=2；T described in the t <, t=1/100T~
1/10T；
When the control model of user's selection is height mode, since being welded to height as H-2h, continuous detection height becomes
Change value is the power change values △ P in the n detection cycle of h, if △ Pn- △ Pn-1 > Pmax, stops welding, instead
Then continue weld；N >=2；H described in the h <, h=1/100 H~1/10 H；
When the control model of user's selection is energy model, since being welded to welding energy as E-2e, energy is continuously detected
The height change value △ H in the n detection cycle that reduced value is e is measured, stops welding if △ Hn=△ Hn-1, it is on the contrary
Then continue to weld；It is continuous to detect the n inspection that energy reduced value is e or since when being welded to welding energy and being E-2e
The power change values △ P in the period is surveyed, it is on the contrary then continue to weld if △ Pn- △ Pn-1 > Pmax, stops welding；It is described
n≥2；E described in the e <, e=1/100 E~1/10E；
Step S5, when the control model of user's selection is time mode, when being welded to time T, stop welding；When with
When the control model of family selection is height mode, when being welded to height is H, stop welding；When the control mould of user's selection
When formula is energy model, when being welded to welding energy is E, stop welding.
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| CN201910228585.5A CN109732194B (en) | 2017-04-05 | 2017-04-05 | Control method of ultrasonic welding machine |
| CN201710218050.0A CN107175399B (en) | 2017-04-05 | 2017-04-05 | The welding method of supersonic welder |
| CN201910227897.4A CN109732193B (en) | 2017-04-05 | 2017-04-05 | Welding method of ultrasonic welding machine with dynamic monitoring mode |
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| CN108637448B (en) * | 2018-04-09 | 2020-09-22 | 华南理工大学 | Method for monitoring heterogeneous metal ultrasonic welding edge cracks |
| CN111136407A (en) * | 2018-11-05 | 2020-05-12 | 苏州阿特斯阳光电力科技有限公司 | Automatic welding device and method |
| CN112705832B (en) * | 2020-12-14 | 2022-06-17 | 上海骄成超声波技术股份有限公司 | Welding control method and welding system |
| CN112894117B (en) * | 2020-12-29 | 2022-06-21 | 上海骄成超声波技术股份有限公司 | Ultrasonic welding control method |
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| US5459672A (en) * | 1990-07-30 | 1995-10-17 | Hughes Aircraft Company | Electrical interconnect integrity measuring method |
| JP4309697B2 (en) * | 2003-05-27 | 2009-08-05 | 矢崎総業株式会社 | Ultrasonic welding equipment |
| JP2007237256A (en) * | 2006-03-09 | 2007-09-20 | Nissan Motor Co Ltd | Apparatus and method for ultra-sonic joining |
| DE102006043605B3 (en) * | 2006-09-16 | 2008-03-27 | Stapla Ultraschalltechnik Gmbh | Method for quality monitoring in ultrasonic welding |
| US8450644B2 (en) * | 2011-03-03 | 2013-05-28 | GM Global Technology Operations LLC | Multi-mode ultrasonic welding control and optimization |
| DE102012106491A1 (en) * | 2012-07-18 | 2014-01-23 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Method for controlling an ultrasonic machining process |
| DE102014111259B4 (en) * | 2013-08-08 | 2020-09-10 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Multi-height energy steering device and method for staggered welding together of workpieces |
| DE102013225042A1 (en) * | 2013-12-05 | 2015-06-11 | Branson Ultraschall Niederlassung Der Emerson Technologies Gmbh & Co. Ohg | Ultrasonic welding device and ultrasonic welding process for controlling continuous ultrasonic welding processes |
| EP3156165B1 (en) * | 2014-06-12 | 2019-06-12 | Nissan Motor Co., Ltd | Bonding state inspection method |
| CN104785918B (en) * | 2015-04-13 | 2017-04-12 | 龙人义 | Method and system for monitoring welding parameters in real time |
| US10105787B2 (en) * | 2015-06-05 | 2018-10-23 | GM Global Technology Operations LLC | Systems and methods for ultrasonic welding |
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| CN109732194A (en) | 2019-05-10 |
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