CN108247189A - Lifetime of resistance spot welding electrode position tracking device and method - Google Patents
Lifetime of resistance spot welding electrode position tracking device and method Download PDFInfo
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- CN108247189A CN108247189A CN201810324524.4A CN201810324524A CN108247189A CN 108247189 A CN108247189 A CN 108247189A CN 201810324524 A CN201810324524 A CN 201810324524A CN 108247189 A CN108247189 A CN 108247189A
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/30—Features relating to electrodes
- B23K11/31—Electrode holders and actuating devices therefor
- B23K11/314—Spot welding guns, e.g. mounted on robots
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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- Mechanical Engineering (AREA)
- Robotics (AREA)
- Resistance Welding (AREA)
Abstract
The present invention relates to a kind of lifetime of resistance spot welding electrode position tracking device and methods, belong to welding quality control field.Tracks of device is made of three axis accelerometer, microcontroller, wireless communication module, connecting seat, clamping press plate.Three axis accelerometer, microcontroller, wireless communication module are mounted on connecting seat, and connecting seat is mounted on by clamping press plate on lifetime of resistance spot welding electrode, and microcontroller is connected by signal wire with 1 wireless communication module of three axis accelerometer, 3 welding parameter monitor respectively.Package unit is moved together with lifetime of resistance spot welding electrode, microcontroller obtains the instantaneous acceleration value in tri- directions of X, Y, Z by three axis accelerometer in the welding process, calculate the instantaneous space coordinate of electrode, determine that solder joint encodes according to default solder joint parameter, and solder joint coding is sent to welding parameter monitor by module by radio communication, so as to fulfill tracking and identifying for solder joint.
Description
Technical field
The present invention relates to welding quality control fields, are related to one kind of structural member welding technology field in equipment manufacturing
Lifetime of resistance spot welding electrode position tracking technology, espespecially a kind of lifetime of resistance spot welding electrode position tracking device and method, for welding process
Parameter monitoring.
Background technology
With increasingly sharpening for energy shortages and problem of environmental pollution, automobile, track visitor as manufacturing industry pillar industry
Turner industry is faced with increasingly stern challenge.Welding structure car body efficiently, is reliably manufactured as core load bearing component
Technology is the key that enterprise product keeps the good market competitiveness and each enterprise to fall over each other the technology commanding elevation grabbed.
At present, major weld process is resistance spot welding used by the production of vehicular traffic car body, and number is comprised about per trolley
Thousand solder joints, stable quality, reliable tack-weld are the key that embody Auto-body manufacturing level.Welding is joined in the welding process
Number is monitored on-line, has been the key technology of current spot welding field of quality control.The spot welding parameter monitoring skill of mainstream at present
Art is carried out using continuous-flow type recording mode, i.e., the procedure parameter that monitor journal welding equipment welds every time is simultaneously subject to
Storage, the monitoring result data as welding production.But for manual formula spot welding, since the welding sequence of solder joint exists not
Certainty, monitor can not ensure that monitoring result data are corresponded with the solder joint on component, trackability Shortcomings.Cause
This, is badly in need of a kind of manual formula pinpoint welding procedure solder joint from motion tracking and identification technology, so as to fulfill each solder joint and its monitoring result
The trackability of data corresponds to.
Invention content
The purpose of the present invention is to provide a kind of lifetime of resistance spot welding electrode position tracking device and methods, solve the prior art
The existing above problem.The present invention calculates the spatial position of spot-welding equipment electrode using three axis accelerometer in real time, with reference to workpiece
Solder joint parameter information preset input, each solder joint number in welding process is tracked and identified, and send that information to
Welding parameter monitor, so as to fulfill the one-to-one back traceability management of weld monitor data.
The above-mentioned purpose of the present invention is achieved through the following technical solutions：
Lifetime of resistance spot welding electrode position tracking device, including three axis accelerometer 1, microcontroller 2, wireless communication module 3, connecting seat
4th, clamping press plate 5, the three axis accelerometer 1, microcontroller 2, wireless communication module 3 are separately mounted on connecting seat 4, connection
Seat 4 is mounted on by clamping press plate 5 on lifetime of resistance spot welding electrode 6；Microcontroller 2 by signal wire respectively with three axis accelerometer 1,
Wireless communication module 3 is connected with welding parameter monitor；
The microcontroller 2 is integrated form singlechip controller, is connect comprising parameter input module, Initialize installation module, signal
Receive module, computing module, signal output module, parameter input module is for the solder joint number of typing workpiece to be welded and corresponding each
Solder joint spatial coordinate location data；Initialize installation module is used to set the origin of the location information of lifetime of resistance spot welding electrode 6；Letter
Number receiving module is used to receive the instantaneous acceleration information of the feedback of three axis accelerometer 1, while it is defeated to receive welding parameter monitor
The solder joint coding gone out asks for signal；Computing module is used to carry out integral and calculating according to acceleration signal, acquires X, Y, Z direction of motion
On instantaneous velocity information and displacement information, and lifetime of resistance spot welding electrode coordinate in the X, Y, Z direction is calculated according to displacement information,
By the coordinate information of lifetime of resistance spot welding electrode 6 and preset solder joint parameter comparison, the number information of current solder joint is matched；Signal exports
Module is used to the number information of solder joint being converted into electric signal that module 3 to export and gives welding parameter monitor by radio communication.
The three axis accelerometer 1 be piezoelectric type 3-axis acceleration sensor, for measure lifetime of resistance spot welding electrode 6 X,
Y, the instantaneous acceleration in the Z directions of motion, and instantaneous acceleration information is passed into microcontroller 2 by signal wire.
The wireless communication module 3 is serial ports formula WIFI communication modules, is used for transmission the number information of current solder joint.
The welding parameter monitor is the real-time watch device of welding current, welding pressure in resistance spot welding process,
When welding parameter monitor monitors welding current, welding pressure is more than predetermined threshold value, then in current location point occurs for judgement
Weldering process, while to 2 output pulse signal of microcontroller, ask for the coding information of current solder joint.
Another object of the present invention is to provide a kind of lifetime of resistance spot welding electrode location tracking method, in the weldering of workpiece 8 to be welded
During termination process parameter monitoring, lifetime of resistance spot welding electrode position tracking device is moved with lifetime of resistance spot welding electrode 6, and microcontroller 2 is real
When calculate lifetime of resistance spot welding electrode 6 instantaneous space coordinate；Welding parameter monitor often monitors a welding process parameter, in real time
Solder joint number is sent to microcontroller 2 and asks for instruction, and microcontroller 2 is then by the portion of instantaneous space coordinate its storage inside of electrode
Part solder joint training data is compared, and determines that this solder joint encodes, and this coding is sent to welding process parameter monitor, finally
Complete the solder joint tracking and positioning during spot welding parameter monitoring.
The lifetime of resistance spot welding electrode location tracking method, includes the following steps：
Step（1）, solder joint data input：The solder joint number of all solder joints in microcontroller 2 on typing workpiece 8 to be welded and weldering
Spatial coordinated information on the corresponding X, Y of point, Z-direction；
Step（2）, coordinate origin definition：By on workpiece 8 clamping to welding bench 7 to be welded, mobile lifetime of resistance spot welding electrode 6 makes it
Initial position on Alignment stage 7, i.e. origin 71, in this position, microcontroller 2 carries out initial work, and generates origin
71 coordinates（0,0,0）；
Step（3）, solder joint process start, calculate bond pad locations in real time, and export solder joint number：
（3.1）, mobile lifetime of resistance spot welding electrode 6, it is made to be directed at first 81 position of solder joint of workpiece 8 to be welded, pinpoint welding procedure starts,
Microcontroller 2 reads the acceleration information of three axis accelerometer feedback, and integral and calculating in real time simultaneously, solves lifetime of resistance spot welding electrode
6 X, Y relative to origin 71, the real-time space coordinate of Z-direction；
（3.2）, welding parameter monitor monitor welding current, welding pressure in real time, when welding current, welding pressure are more than default
During threshold value, then pinpoint welding procedure is judged, while to 2 output pulse signal of microcontroller, ask for the coding information of current solder joint；
（3.3）, microcontroller read current location relative to origin 71 relative coordinate（X1, Y1, Z1）, and with prefabricated solder joint position
Parameter matching is put, calculates solder joint number M1；
（3.4）, solder joint number is converted into electric signal, and pass through wireless transport module 3 and export and give welding parameter monitor；
（3.5）, moving electrode holder 6 make second 82 position of solder joint of electrode alignment workpiece 8 to be welded, repeat aforesaid operations, obtain weldering
Point number M2；
（3.6）Aforesaid operations are repeated, until obtaining the solder joint number M of the last one solder joint 83 of workpiece 8 to be weldedn, complete to be welded
The bond pad locations tracking of workpiece 8.
The beneficial effects of the present invention are：For the trackability requirement of resistance spot welding parameter monitoring result, the present invention is logical
Lifetime of resistance spot welding electrode position radio tracking positioning device is crossed, is realized under Manual electric welding working condition, was welded in same workpiece
Cheng Zhong no matter using which kind of welding sequence, can correspond the solder joint of welding parameter monitoring data and welding workpiece coding,
Substantially increase the quality monitoring effect of resistance spot welding.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the application, this hair
Bright illustrative example and its explanation do not constitute improper limitations of the present invention for explaining the present invention.
Fig. 1 is the lifetime of resistance spot welding electrode position tracking device structure diagram of the present invention；
Fig. 2 is the operating diagram of the lifetime of resistance spot welding electrode position tracking device of the present invention；
The solder joint that Fig. 3 is the present invention tracks and identifies work flow diagram.
In figure：1st, three axis accelerometer；2nd, microcontroller；3rd, wireless communication module；4th, connecting seat；5th, clamping press plate；6、
Lifetime of resistance spot welding electrode；7th, welding bench；71st, origin；8th, workpiece to be welded；81st, first solder joint；82nd, second solder joint；83、
The last one solder joint.
Specific embodiment
The detailed content and its specific embodiment further illustrated the present invention below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 3, lifetime of resistance spot welding electrode position tracking device of the invention and method, tracks of device is by three
Axis accelerometer, microcontroller, wireless communication module, connecting seat, clamping press plate composition.Three axis accelerometer, microcontroller, nothing
Line communication module is mounted on connecting seat, and connecting seat is mounted on by clamping press plate on lifetime of resistance spot welding electrode, and microcontroller 2 passes through
Signal wire is connected respectively with three axis accelerometer 1, wireless communication module 3 and welding parameter monitor.Package unit is with point of resistance
Welding electrode moves together, and microcontroller obtains the instantaneous of tri- directions of X, Y, Z by three axis accelerometer and adds in the welding process
Velocity amplitude calculates the instantaneous space coordinate of electrode, determines that solder joint encodes, and module by radio communication according to default solder joint parameter
Solder joint coding is sent to welding parameter monitor, so as to fulfill tracking and identifying for solder joint.
Shown in Figure 1, lifetime of resistance spot welding electrode position tracking device of the invention is by three axis accelerometer 1, microcontroller
2nd, wireless communication module 3, connecting seat 4, clamping press plate 5 are formed, the three axis accelerometer 1, microcontroller 2, radio communication mold
Block 3 is separately mounted on connecting seat 4, and connecting seat 4 is mounted on by clamping press plate 5 on lifetime of resistance spot welding electrode 6；Microcontroller 2 is logical
Signal wire is crossed respectively with three axis accelerometer 1, wireless communication module 3 and welding parameter monitor to be connected；
The microcontroller 2 is integrated form singlechip controller, is connect comprising parameter input module, Initialize installation module, signal
Receive module, computing module, signal output module, parameter input module is for the solder joint number of typing workpiece to be welded and corresponding each
Solder joint spatial coordinate location data；Initialize installation module is used to set the origin of the location information of lifetime of resistance spot welding electrode 6；Letter
Number receiving module is used to receive the instantaneous acceleration information of the feedback of three axis accelerometer 1, while it is defeated to receive welding parameter monitor
The solder joint coding gone out asks for signal；Computing module is used to carry out integral and calculating according to acceleration signal, acquires X, Y, Z direction of motion
On instantaneous velocity information and displacement information, and lifetime of resistance spot welding electrode coordinate in the X, Y, Z direction is calculated according to displacement information,
By the coordinate information of lifetime of resistance spot welding electrode 6 and preset solder joint parameter comparison, the number information of current solder joint is matched；Signal exports
Module is used to the number information of solder joint being converted into electric signal that module 3 to export and gives welding parameter monitor by radio communication.
The three axis accelerometer 1 be piezoelectric type 3-axis acceleration sensor, for measure lifetime of resistance spot welding electrode 6 X,
Y, the instantaneous acceleration in the Z directions of motion, and instantaneous acceleration information is passed into microcontroller 2 by signal wire.
The wireless communication module 3 is serial ports formula WIFI communication modules, is used for transmission the number information of current solder joint.
The welding parameter monitor is the real-time monitoring of the parameters such as welding current, welding pressure in resistance spot welding process
Equipment, when welding parameter monitor monitors welding current, welding pressure when signals are more than predetermined threshold value, then judgement is current
Pinpoint welding procedure occurs for position, while to 2 output pulse signal of microcontroller, asks for the coding information of current solder joint.
Referring to shown in Fig. 2 and Fig. 3, lifetime of resistance spot welding electrode location tracking method of the invention, in the welding of workpiece 8 to be welded
During journey parameter monitoring, lifetime of resistance spot welding electrode position tracking device is moved with lifetime of resistance spot welding electrode 6, and microcontroller 2 is counted in real time
Calculate the instantaneous space coordinate of lifetime of resistance spot welding electrode 6；Welding parameter monitor often monitors a welding process parameter, in real time to micro-
Controller 2 sends solder joint number and asks for instruction, microcontroller 2 then by electrode instantaneous its storage inside of space coordinate component
Solder joint training data is compared, and determines that this solder joint encodes, and this coding is sent to welding process parameter monitor, final complete
Into the solder joint tracking and positioning during spot welding parameter monitoring.
The lifetime of resistance spot welding electrode location tracking method, includes the following steps：
Step（1）, solder joint data input：The solder joint number of all solder joints in microcontroller 2 on typing workpiece 8 to be welded and weldering
Spatial coordinated information on the corresponding X, Y of point, Z-direction；
Step（2）, coordinate origin definition：By on workpiece 8 clamping to welding bench 7 to be welded, mobile lifetime of resistance spot welding electrode 6 makes it
Initial position on Alignment stage 7（Origin 71）.In this position, microcontroller 2 carries out initial work, and generates origin 71
Coordinate（0,0,0）；
Step（3）, solder joint process start, calculate bond pad locations in real time, and export solder joint number：
（3.1）, mobile lifetime of resistance spot welding electrode 6, it is made to be directed at first 81 position of solder joint of workpiece 8 to be welded, pinpoint welding procedure starts,
Microcontroller 2 reads the acceleration information of three axis accelerometer feedback, and integral and calculating in real time simultaneously, solves lifetime of resistance spot welding electrode
6 X, Y relative to origin 71, the real-time space coordinate of Z-direction；
（3.2）, welding parameter monitor monitor the signals such as welding current, welding pressure in real time, when welding current, welding pressure surpass
When crossing predetermined threshold value, then pinpoint welding procedure is judged, while to 2 output pulse signal of microcontroller, ask for the volume of current solder joint
Code information；
（3.3）, microcontroller read current location relative to origin 71 relative coordinate（X1, Y1, Z1）, and with prefabricated solder joint position
Parameter matching is put, calculates solder joint number M1；
（3.4）, solder joint number is converted into electric signal, and pass through wireless transport module 3 and export and give welding parameter monitor；
（3.5）, moving electrode holder 6 make second 82 position of solder joint of electrode alignment workpiece 8 to be welded, repeat aforesaid operations, obtain weldering
Point number M2；
（3.6）Aforesaid operations are repeated, until obtaining the solder joint number M of the last one solder joint 83 of workpiece 8 to be weldedn, complete to be welded
The bond pad locations tracking of workpiece 8.
Embodiment：
It is illustrated by taking the spot welding production monitoring of stainless steel car body side wall window piecemeal composition as an example below：
（1）, side wall window piecemeal composition be covering wallboard and U-shaped skeleton welding structure, treat that solder joint is located at the wing of U-shaped skeleton both sides
Bian Shang, often solder joint sum is 90 on component, spot pitch 100mm.
（2）In the welding process parameter monitoring process of workpiece 8 to be welded, lifetime of resistance spot welding electrode position tracking device is with resistance
Spot-wedling electrode 6 moves, and microcontroller 2 calculates the instantaneous space coordinate of lifetime of resistance spot welding electrode 6 in real time.Welding parameter monitor is often supervised
When measuring a welding process parameter, solder joint number is sent to microcontroller 2 in real time and ask for instruction, microcontroller 2 is then by electrode
The component solder joint training data of instantaneous its storage inside of space coordinate is compared, and determines that this solder joint encodes, and this is compiled
Code is sent to welding process parameter monitor, the solder joint tracking and positioning being finally completed during spot welding parameter monitoring.
Specific implementation step is as follows：
Step（1）, solder joint data input：The solder joint number of all solder joints in microcontroller 3 on typing workpiece 8 to be welded and weldering
Spatial coordinated information on the corresponding X, Y of point, Z-direction；
Step（2）, coordinate origin definition：By on workpiece 8 clamping to welding bench 7 to be welded, mobile lifetime of resistance spot welding electrode 6 makes it
Initial position on Alignment stage 7（Origin 71）.In this position, microcontroller 2 carries out initial work, and generates origin 71
Coordinate（0,0,0）；
Step（3）, solder joint process start, calculate bond pad locations in real time, and export solder joint number：
（3.1）, mobile lifetime of resistance spot welding electrode 6, its is made to be directed at 8 first 81 positions of solder joint of workpiece to be welded, pinpoint welding procedure starts, together
When microcontroller 2 read the acceleration information of three axis accelerometer feedback in real time, and integral and calculating solves lifetime of resistance spot welding electrode 6
X, Y relative to origin 71, the real-time space coordinate of Z-direction；
（3.2）, welding parameter monitor monitor the signals such as welding current, welding pressure in real time, when welding current, welding pressure surpass
When crossing predetermined threshold value, then pinpoint welding procedure is judged, while to 2 output pulse signal of microcontroller, ask for the volume of current solder joint
Code information.
（3.3）, microcontroller read current location relative to origin 71 relative coordinate（X1, Y1, Z1）, and with prefabricated weldering
Point location parameter matching, calculates solder joint number M1；
（3.4）, solder joint number is converted into electric signal, and pass through wireless transport module 3 and export and give welding parameter monitor.
（3.5）, moving electrode holder 6 make 8 second 82 positions of solder joint of electrode alignment workpiece to be welded, repeat aforesaid operations, obtain
Solder joint number M2。
（3.6）Aforesaid operations are repeated, until obtaining the solder joint number M of the last one solder joint 83 of workpiece 8 to be weldedn, complete to treat
The bond pad locations tracking of welder's part 8.
Under the normal process conditions described in this example, the standard of solder joint identification is carried out using tracks of device of the present invention
True rate can reach 100%, and each bond pad locations identify consumed time≤100ms.
The foregoing is merely the preferred embodiments of the present invention, are not intended to restrict the invention, for the technology of this field
For personnel, the invention may be variously modified and varied.All any modification, equivalent substitution, improvement and etc. made for the present invention,
It should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of lifetime of resistance spot welding electrode position tracking device, it is characterised in that：Including three axis accelerometer（1）, microcontroller
（2）, wireless communication module（3）, connecting seat（4）, clamping press plate（5）, the three axis accelerometer（1）, microcontroller（2）, nothing
Line communication module（3）It is separately mounted to connecting seat（4）On, connecting seat（4）Pass through clamping press plate（5）Mounted on lifetime of resistance spot welding electrode
（6）On；Microcontroller（2）By signal wire respectively with three axis accelerometer（1）, wireless communication module（3）It is supervised with welding parameter
Instrument is surveyed to be connected；
The microcontroller（2）For integrated form singlechip controller, parameter input module, Initialize installation module, signal are included
Receiving module, computing module, signal output module, parameter input module for typing workpiece to be welded solder joint number and it is corresponding
Each solder joint spatial coordinate location data；Initialize installation module is used for lifetime of resistance spot welding electrode（6）The origin of location information set
It puts；Signal receiving module is used to receive three axis accelerometer（1）The instantaneous acceleration information of feedback, while receive welding parameter prison
The solder joint coding for surveying instrument output asks for signal；Computing module is used to carry out integral and calculating according to acceleration signal, acquires X, Y, Z fortune
Instantaneous velocity information and displacement information on dynamic direction, and lifetime of resistance spot welding electrode is calculated in the X, Y, Z direction according to displacement information
Coordinate, by lifetime of resistance spot welding electrode（6）Coordinate information and preset solder joint parameter comparison, match the number letter of current solder joint
Breath；Signal output module is used to the number information of solder joint being converted into electric signal module by radio communication（3）It exports to welding
Parameter monitor.
2. lifetime of resistance spot welding electrode position tracking device according to claim 1, it is characterised in that：The 3-axis acceleration
Meter（1）For piezoelectric type 3-axis acceleration sensor, for measuring lifetime of resistance spot welding electrode（6）It is instantaneous in X, Y, Z direction of motion
Acceleration, and instantaneous acceleration information is passed into microcontroller by signal wire（2）.
3. lifetime of resistance spot welding electrode position tracking device according to claim 1, it is characterised in that：The radio communication mold
Block（3）For serial ports formula WIFI communication modules, it is used for transmission the number information of current solder joint.
4. lifetime of resistance spot welding electrode position tracking device according to claim 1, it is characterised in that：The welding parameter prison
Real-time watch device of the instrument for welding current, welding pressure in resistance spot welding process is surveyed, when welding parameter monitor monitors to weld
Connect electric current, when welding pressure is more than predetermined threshold value, then in current location pinpoint welding procedure occurs for judgement, while to microcontroller（2）
Output pulse signal asks for the coding information of current solder joint.
5. a kind of lifetime of resistance spot welding electrode location tracking method, it is characterised in that：In workpiece to be welded（8）Welding process parameter monitoring
In the process, lifetime of resistance spot welding electrode position tracking device is with lifetime of resistance spot welding electrode（6）It is mobile, microcontroller（2）Resistance is calculated in real time
Spot-wedling electrode（6）Instantaneous space coordinate；Welding parameter monitor often monitors a welding process parameter, in real time to microcontroller
Device（2）It sends solder joint number and asks for instruction, microcontroller（2）Then the component of instantaneous space coordinate its storage inside of electrode is welded
Point training data is compared, and determines that this solder joint encodes, and this coding is sent to welding process parameter monitor, is finally completed
Solder joint tracking and positioning during spot welding parameter monitoring.
6. lifetime of resistance spot welding electrode location tracking method according to claim 5, it is characterised in that：Include the following steps：
Step（1）, solder joint data input：In microcontroller（2）Middle typing workpiece to be welded（8）On all solder joints solder joint number
And the spatial coordinated information in the corresponding X, Y of solder joint, Z-direction；
Step（2）, coordinate origin definition：By workpiece to be welded（8）Clamping is to welding bench（7）On, mobile lifetime of resistance spot welding electrode
（6）Make its Alignment stage（7）On initial position, i.e. origin（71）, in this position, microcontroller（2）Carry out initial chemical industry
Make, and generate origin（71）Coordinate（0,0,0）；
Step（3）, solder joint process start, calculate bond pad locations in real time, and export solder joint number：
（3.1）, mobile lifetime of resistance spot welding electrode（6）, it is made to be directed at workpiece to be welded（8）First solder joint（81）Position, spot welding
Journey starts, while microcontroller（2）The acceleration information of three axis accelerometer feedback, and integral and calculating are read in real time, solve electricity
Hinder spot-wedling electrode（6）Relative to origin（71）X, Y, the real-time space coordinate of Z-direction；
（3.2）, welding parameter monitor monitor welding current, welding pressure in real time, when welding current, welding pressure are more than default
During threshold value, then pinpoint welding procedure is judged, while to microcontroller（2）Output pulse signal asks for the coding letter of current solder joint
Breath；
（3.3）, microcontroller read current location relative to origin（71）Relative coordinate（X1, Y1, Z1）, and with prefabricated solder joint
Location parameter matches, and calculates solder joint number M1；
（3.4）, by solder joint number be converted into electric signal, and pass through wireless transport module（3）It exports and gives welding parameter monitor；
（3.5）, moving electrode holder（6）Make electrode alignment workpiece to be welded（8）Second solder joint（82）Position repeats aforesaid operations,
Obtain solder joint number M2；
（3.6）Aforesaid operations are repeated, until obtaining workpiece to be welded（8）The last one solder joint（83）Solder joint number Mn, complete to treat
Welder's part（8）Bond pad locations tracking.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702310A (en) * | 2020-06-17 | 2020-09-25 | 一汽奔腾轿车有限公司 | Method for comprehensively evaluating electrode centering state of resistance spot welding tongs |
| CN112192009A (en) * | 2020-08-30 | 2021-01-08 | 安徽普电焊接技术有限公司 | Control system and control method for special bullet train welding machine |
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| CN106466768A (en) * | 2015-08-18 | 2017-03-01 | 林肯环球股份有限公司 | Augmented reality interface for sequence of welds |
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| CN111702310A (en) * | 2020-06-17 | 2020-09-25 | 一汽奔腾轿车有限公司 | Method for comprehensively evaluating electrode centering state of resistance spot welding tongs |
| CN112192009A (en) * | 2020-08-30 | 2021-01-08 | 安徽普电焊接技术有限公司 | Control system and control method for special bullet train welding machine |
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