[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN106064282A - Joint for resistance spot welding quality ultrasound ripple online monitoring system and method - Google Patents

Joint for resistance spot welding quality ultrasound ripple online monitoring system and method Download PDF

Info

Publication number
CN106064282A
CN106064282A CN201610548559.7A CN201610548559A CN106064282A CN 106064282 A CN106064282 A CN 106064282A CN 201610548559 A CN201610548559 A CN 201610548559A CN 106064282 A CN106064282 A CN 106064282A
Authority
CN
China
Prior art keywords
spot welding
electrode
ultrasonic
resistance spot
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610548559.7A
Other languages
Chinese (zh)
Inventor
谷晓燕
段珍珍
徐国成
谷晓鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201610548559.7A priority Critical patent/CN106064282A/en
Publication of CN106064282A publication Critical patent/CN106064282A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
    • B23K31/12Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
    • B23K31/125Weld quality monitoring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/10Spot welding; Stitch welding
    • B23K11/11Spot welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The present invention relates to a kind of joint for resistance spot welding quality ultrasound ripple online monitoring system and method, belong to welding quality control field.The limitation of the monitoring methods such as the electrical quantity that used for present stage resistance spot welding online quality monitoring field, dynamic displacement, with Ultrasonic Nondestructive for basic fundamental means, integrates composition combination electrode by ultrasound probe with electrode in resistance spot welding;Monitoring host computer is connected with resistance spot welding equipment, is connected with the ultrasonic probe in spot welding electrode by the ultrasonic card that controls;Welded piece is placed between spot welding electrode (upper electrode) and bottom electrode, and described spot welding electrode, bottom electrode are connected with resistance spot welding equipment respectively.Monitoring host computer in welding galvanization according to the formation of ultrasonic reflections signal real-time judge nugget and growth conditions, and on this basis spot-welding equipment is carried out feedback control, guarantee that nugget size reaches the design requirement of joint, finally realize the on-line monitoring and control of joint for resistance spot welding quality.

Description

Joint for resistance spot welding quality ultrasound ripple online monitoring system and method
Technical field
The present invention relates to welding quality control field, particularly to a kind of joint for resistance spot welding quality ultrasound ripple on-line monitoring System and method.It is applicable to the technical fields such as automobile, trolley coach, Aero-Space, drugs manufacture equipment.
Background technology
Because of it, to have process simple in resistance spot welding, and mechanization, automaticity are high, operator's labor intensity is relatively low, The advantage such as pollution-free, is widely used in the industry manufacture field such as automobile, trolley coach, Aero-Space, drugs manufacture equipment.But, by It is the process that non-linear, multiparameter intercouples in resistance spot welding, the fluctuation of the associated welds parameters such as Ren He electricity, magnetic, power Final welding quality will be impacted.Therefore resistance spot welding quality controls, the always weldering of especially on-line monitoring problem Connect the focus that worker pays close attention to, be also simultaneously the manufacture such as automobile, the trolley coach field Important Problems of needing solution badly.
At present, more conventional resistance spot welding quality monitors method and is mostly on-line monitoring based on pinpoint welding procedure parameter, as Current/voltage monitoring method, electrode dynamic displacement monitoring method etc..Its basic thought be by real time monitoring spot welding during one Or various physical parameters (electricity, power, magnetic, heat, sound etc.), and determine that certain of monitored parameter and Resistance Spot Welding Process is corresponding Relation, the most indirectly reflects the quality of tack-weld.But, during actual spot welding, the formation of nugget is subject to growth It is formed on the joint effect of many factors, and this affecting laws tends not to represent by some simple functional relationships.Therefore, This monitoring method with pinpoint welding procedure parameter as foundation can only provide certain quality information in narrower condition, causes it There is the problems such as monitoring effect is not sufficiently stable, range is limited, seriously hinder its further genralrlization and application.Along with meter Calculate the development of machine technology, occur in that based on fuzzy algorithmic approach, the resistance spot welding on-line monitoring method of artificial neural network algorithm.But this The core of a little methods remains on the basis of procedure parameter monitors, and adds the judge algorithm of some complexity, improves many ginsengs Number information fusion degree.Although point quality can be made assessment by a certain extent, but still without breaking away from indirect mass Monitoring thought, the aspects such as accuracy rate, ease for use, reliability still cannot meet improve constantly to resistance spot welding in line mass The requirement of monitoring.Monitoring technological innovation upgrading is the important selection countermeasure solving the problems referred to above.
Summary of the invention
It is an object of the invention to provide a kind of joint for resistance spot welding quality ultrasound ripple online monitoring system and method, solve The problems referred to above that prior art exists.The present invention is directed to present stage resistance spot welding quality monitoring field used electrical quantity, The limitation of the methods such as dynamic displacement, with Ultrasonic Nondestructive for basic fundamental means, by ultrasound probe and resistance spot welding Electrode integrates, the formation according to ultrasonic reflections signal real-time judge nugget and growth in welding galvanization State, and on this basis spot-welding equipment is carried out feedback control, it is ensured that nugget size reaches the design requirement of joint, Realize the on-line monitoring and control of joint for resistance spot welding quality eventually.
The above-mentioned purpose of the present invention is achieved through the following technical solutions:
Joint for resistance spot welding quality ultrasound ripple online monitoring system, the joint for resistance spot welding quality ultrasound ripple on-line monitoring of the present invention System, monitoring host computer 1 is connected with resistance spot welding equipment 3 by feedback control bus 4, by its internal ultrasonic control card with multiple Ultrasonic probe 54 in chalaza welding electrode is connected;Welded piece 6 is placed between electrode and bottom electrode 7, and described upper electrode is the most multiple Chalaza welding electrode 5, described spot welding electrode 5, bottom electrode 7 are connected with resistance spot welding equipment 3 respectively;
Described spot welding electrode 5 includes electrode stem adapter sleeve 51, housing 52, insulation protective jacket 53, ultrasonic probe 54, latch segment 55, probe wire 56, ultrasonic coupling pad 57, electrode cap 58;It is internal that described ultrasonic probe 54 is positioned at housing 52, and and housing 52 between It is provided with insulation protective jacket 53;Ultrasonic probe 54 lower end is provided with ultrasonic coupling pad 57, the ultrasound waveguide sent by ultrasonic probe 54 Enter to housing 52 internal;Housing 52 lower end is provided with removable electrode cap 58, and housing 52 upper end is electrode stem adapter sleeve 51;Probe One end of line 56 is connected with ultrasonic probe 54, and the other end extends to the outside of housing 52, and is fastened by latch segment 55.
It is internal that described ultrasonic probe 54 is arranged at spot welding electrode 5, and coaxially arranged with spot welding electrode 5;Multiple Chalaza welding electrode 5 is performing while normal spot welding function, its internal ultrasonic probe 54 under the control of monitoring host computer to Welded piece 6 internal emission ultrasound wave, realizes on-line checking or control function simultaneously.
Described housing 52, electrode stem adapter sleeve 51 and electrode cap 58 use Cu alloy material to make.
Described ultrasonic coupling pad 57 uses elastomeric material, and upper and lower surface scribbles grease.
Described housing 52 is internally provided with cooling water path, and cooling water is flowed into by combination electrode sidewall, flows through housing 52 At the joint face of electrode cap 58, finally flow out from the opposite side of housing 52;Cooling water provides electrode cap 58 and housing 52 simultaneously Between ultrasonic coupling function.
Another object of the present invention is to provide joint for resistance spot welding quality ultrasound ripple on-line monitoring method, including walking as follows Rapid:
Step 1: computer based ultrasound wave online monitoring system (monitoring host computer) and resistance spot welding equipment 3 are integrated in one Rising, ultrasonic probe 54 is arranged on an inside of spot welding electrode 5, and coaxially arranged with spot welding electrode 5;Monitoring host computer leads to Cross feedback control bus 2 to be connected with the controller of resistance spot welding equipment 3;
Step 2: during the energising welding of each joint, monitoring host computer by ultrasonic control card 4 control ultrasonic probes 54 with Fixing repetition rate launches ultrasound wave, and ultrasound wave propagates to the inside of welded piece 6 through combination electrode 5;Monitoring host computer 1 According to the signal characteristic of echo, welding process is analyzed in real time and passes judgment on, and by feedback control bus 2 to point of resistance Soldering equipment 3 sends instruction, is adjusted controlling welding machine welding parameters, thus ensures that nugget size reaches technological requirement;
Step 3: the affecting laws of the ultrasonic reflections signal at double layer of metal plate contact surface with nugget size is by monitoring host computer Foundation, monitors formation and the growth conditions of nugget in real time, and realizes point quality control by the feedback of butt welding machine.
Monitoring system uses fully automatic working pattern, after system start-up, first loads every ultrasonic control parameter, then enters Enter welding signal waiting state;After welding machine is pressed under every sub-electrode, by feedback data bus 2 to ultrasound wave online monitoring system Send welding sign on;After ultrasound wave online monitoring system receives this instruction, control ultrasonic according to the repetition rate set Probe emission pulse ultrasonic, according to the detected reflection wave signal growth conditions to nugget, i.e. physical dimension, enters Row real-time assessment, and send adjustment instruction according to built-in algorithms to resistance spot welding equipment 3, it is finally completed the prison of this welding process Survey and feedback control.
The beneficial effects of the present invention is: resistance spot welding ultrasound wave on-line monitoring method is that Non-Destructive Testing controls skill with welding The combination of art, its monitored object directly reflects the geometric properties of the internal nugget of tack-weld, with indirect parameter monitoring side Method compares the quality index (nugget size) that can provide quantitative.Further, since the method is able to record that the final size of nugget, Follow-up nondestructive testing link (the nondestructive testing time of a solder joint is about 10 minutes) can be omitted;And this process with welded Journey is carried out simultaneously, without cost extra time, drastically increases production efficiency and reduces inspection cost, it is possible to achieve spot welding part Inspection entirely.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright illustrative example and explanation thereof are used for explaining the present invention, are not intended that inappropriate limitation of the present invention.
Fig. 1 is that the online monitoring system of the present invention constitutes schematic diagram;
Fig. 2 is the nugget size (without nugget) the corresponding relation schematic diagram with ultrasonic testing signals of the present invention;
Fig. 3 is the nugget size (little nugget) the corresponding relation schematic diagram with ultrasonic testing signals of the present invention;
Fig. 4 is the nugget size (big nugget) the corresponding relation schematic diagram with ultrasonic testing signals of the present invention;
Fig. 5 is the spot welding electrode structural representation of the present invention;
Fig. 6 is the three-dimensional appearance schematic diagram of the spot welding electrode of the present invention;
Fig. 7 to Figure 10 is the fundamental diagram of the spot welding electrode of the present invention;
Figure 11 is the flow chart of the on-line monitoring method of the present invention.
In figure: 1, monitoring host computer;2, feedback control bus;3, resistance spot welding equipment;4, ultrasonic control blocks;5, compound spot welding Electrode;6, welded piece;7, bottom electrode;51, electrode stem adapter sleeve;52, housing;53, insulation protective jacket;54, ultrasonic probe; 55, latch segment;56, probe wire;57, ultrasonic coupling pad;58, electrode cap.
Detailed description of the invention
Further illustrate detailed content and the detailed description of the invention thereof of the present invention below in conjunction with the accompanying drawings.
See shown in Fig. 1 to Figure 11, the joint for resistance spot welding quality ultrasound ripple online monitoring system of the present invention, monitoring host computer 1 is connected with resistance spot welding equipment 3 by feedback control bus 4, in the ultrasonic control card internal by it and spot welding electrode Ultrasonic probe 54 be connected;Welded piece 6 is placed in electrode on spot welding electrode 5() and bottom electrode 7 between, described compound spot welding Electrode 5, bottom electrode 7 are connected with resistance spot welding equipment 3 respectively;
Shown in Figure 5, described spot welding electrode 5 includes electrode stem adapter sleeve 51, housing 52, insulation protective jacket 53, ultrasonic Probe 54, latch segment 55, probe wire 56, ultrasonic coupling pad 57, electrode cap 58, it is internal that described ultrasonic probe 54 is positioned at housing 52, And and housing 52 between be provided with insulation protective jacket 53;Ultrasonic probe 54 lower end is provided with ultrasonic coupling pad 57, by ultrasonic probe 54 The ultrasonic delivery sent is internal to housing 52;Housing 52 lower end is provided with removable electrode cap 58, and housing 52 upper end is electrode Bar adapter sleeve 51, it is achieved the integral installation function of combination electrode, depending on its internal diameter is according to the concrete size of spot-welding equipment electrode stem; One end of probe wire 56 is connected with ultrasonic probe 54, and the other end extends to the outside of housing 52, and is fastened by latch segment 55.Multiple Conventional electrodes and ultrasonic probe are combined by chalaza welding electrode, realize in welding process welding pressure, welding current and The transmission of ultrasound wave.Spot welding electrode is the integrated design structure of ultrasonic probe and spot-wedling electrode, can meet simultaneously welding, The demand of ultrasonography monitoring the two critical system function.
It is internal that described ultrasonic probe 54 is arranged at spot welding electrode 5, and coaxially arranged with spot welding electrode 5;Multiple Chalaza welding electrode 5 is performing while normal spot welding function, its internal ultrasonic probe 54 under the control of monitoring host computer to Welded piece 6 internal emission ultrasound wave, realizes on-line checking or control function simultaneously.
Described housing 52, electrode stem adapter sleeve 51 and electrode cap 58 use Cu alloy material to make.
Described ultrasonic coupling pad 57 uses elastomeric material, and upper and lower surface scribbles grease.
Described housing 52 is internally provided with cooling water path, and cooling water is flowed into by combination electrode sidewall, flows through housing 52 At the joint face of electrode cap 58, finally flow out from the opposite side of housing 52;Cooling water provides electrode cap 58 and housing 52 simultaneously Between ultrasonic coupling function.
The joint for resistance spot welding quality ultrasound ripple on-line monitoring method of the present invention, comprises the steps:
Step 1: computer based ultrasound wave online monitoring system (monitoring host computer) and resistance spot welding equipment 3 are integrated in one Rising, ultrasonic probe 54 is arranged on an inside of spot welding electrode 5, and coaxially arranged with spot welding electrode 5;Monitoring host computer leads to Cross feedback control bus 2 to be connected with the controller of resistance spot welding equipment 3;
Step 2: during the energising welding of each joint, monitoring host computer by ultrasonic control card 4 control ultrasonic probes 54 with Fixing repetition rate launches ultrasound wave, and ultrasound wave propagates to the inside of welded piece 6 through combination electrode 5;Monitoring host computer 1 According to the signal characteristic of echo, welding process is analyzed in real time and passes judgment on, and by feedback control bus 2 to point of resistance Soldering equipment 3 sends instruction, is adjusted controlling welding machine welding parameters, thus ensures that nugget size reaches technological requirement;
Step 3: the affecting laws of the ultrasonic reflections signal at double layer of metal plate contact surface with nugget size is by monitoring host computer Foundation, monitors formation and the growth conditions of nugget in real time, and realizes point quality control by the feedback of butt welding machine.
Monitoring system uses fully automatic working pattern, and flow process is as shown in Figure 11.After system start-up, first load every ultrasonic Control parameter, subsequently into welding signal waiting state;After welding machine is pressed under every sub-electrode, by feedback data bus 2 to super Sound wave online monitoring system sends welding sign on;After ultrasound wave online monitoring system receives this instruction, according to set Repetition rate controls ultrasonic probe emission pulse ultrasonic, according to the detected reflection wave signal growth shape to nugget State, i.e. physical dimension, carry out real-time assessment, and send adjustment instruction according to built-in algorithms to resistance spot welding equipment 3, be finally completed The monitoring of this welding process and feedback control.
Seeing shown in Fig. 1 to Figure 11, the operation principle of the present invention is:
During the energising welding of each solder joint, monitoring system controls ultrasonic probe 54 with fixing by the ultrasonic card 4 that controls Repetition rate launches ultrasound wave, and it is internal that ultrasound wave propagates to welded piece 6 through electrode.Along with the carrying out of welding process, point Weldering nugget grows out of nothing, and constantly grows up.This change shows as different signal characteristics in reflected ultrasonic wave.System is passed through The reflected ultrasonic wave obtained the most in the same time in welding galvanization is converted to digital signal by the ultrasonic card 4 that controls, and is sent to Monitoring host computer 1.Welding process, according to the signal characteristic of all echos, is analyzed and passes judgment on, and leading to by monitoring host computer 1 in real time Cross feedback control bus 2 and send instruction to resistance spot welding equipment 3, be adjusted controlling welding machine welding parameters, thus ensure Nugget size reaches technological requirement, finally realizes the on-line monitoring and control of tack-weld quality.
Seeing shown in Fig. 2 to Fig. 4, during the energising welding of resistance spot welding, different nugget sizes is corresponding different Ultrasonic reflections signal.When not yet forming nugget, ultrasound wave produces reflection at the contact surface of upper and lower double layer of metal plate, In detection signal, the reflex amplitude of contact surface is in high state;When the nugget formed is less, (nugget size is less than Ultrasonic beam diameter), a part of ultrasound wave still produces reflection, another part ultrasound wave at the contact surface of upper and lower double layer of metal plate Then propagate to lower metal plate through nugget, detect in signal the reflex amplitude of contact surface during this along with nugget size Become big and reduce;When nugget grows to its diameter more than after ultrasonic beam diameter, in the irradiation area of whole ultrasonic beam the most not There is the contact surface of upper and lower metallic plate, sound wave fully enters lower metal plate, until just producing when propagating to the lower surface of lower plywood Raw reflection.Now, in detection signal, the reflex amplitude of two-ply contact surface is down to minimum, and the echo of lower plywood lower surface Amplitude is in peak.System is by monitoring in real time signal characteristic quantity described above, and on this basis to point Weldering quality is passed judgment on and controls.
Embodiment:
Use the resistance that rail passenger car body is used by the joint for resistance spot welding quality ultrasound ripple on-line monitoring method of the present invention Spot-welding technology carries out on-line monitoring.Welding material is SUS301L rustless steel, and thickness of slab is combined as 1.2mm+2.0mm, welding current 12000A, conduction time 200 milliseconds.Ultrasonic probe is installed on electrode interior, coaxially arranged with electrode.Center probe frequency 5MHz, the ultrasonic beam a diameter of 10mm at two-layered steel plates face.After upper/lower electrode compresses, monitoring system starts to control ultrasonic spy Head launches ultrasound wave with the repetition rate of 5kHz, the most every 0.2 millisecond of monitoring carrying out a ultrasonic reflections signal.System controls Ultrasonic card carries out analog digital conversion with the employing rate of 80MHz to ultrasonic signal, is converted to digital quantity.System is with upper and lower two-layered steel plates The reflex amplitude of contact surface is for according to passing judgment on nugget size in real time.If nugget size regulation conduction time in not Reaching technological requirement, system i.e. sends instruction to spot welding controller;Controller dynamically adjusts welding current or energising according to instruction Time, thus control nugget size and meet technological requirement.
The foregoing is only the preferred embodiment of the present invention, be not limited to the present invention, for the technology of this area For personnel, the present invention can have various modifications and variations.All any modification, equivalent substitution and improvement made for the present invention etc., Should be included within the scope of the present invention.

Claims (7)

1. a joint for resistance spot welding quality ultrasound ripple online monitoring system, it is characterised in that: monitoring host computer (1) is controlled by feedback Bus processed (2) is connected with resistance spot welding equipment (3), by its internal ultrasonic control card (4) and surpassing in spot welding electrode Sonic probe (54) is connected;Welded piece (6) is placed between electrode and bottom electrode (7), described upper electrode i.e. spot welding electrode (5), described spot welding electrode (5), bottom electrode (7) are connected with resistance spot welding equipment (3) respectively;
Described spot welding electrode (5) includes electrode stem adapter sleeve (51), housing (52), insulation protective jacket (53), ultrasonic probe (54), latch segment (55), probe wire (56), ultrasonic coupling pad (57), electrode cap (58);Described ultrasonic probe (54) is positioned at housing (52) internal, and and housing (52) between be provided with insulation protective jacket (53);Ultrasonic probe (54) lower end is provided with ultrasonic coupling pad (57) ultrasonic delivery, sent by ultrasonic probe (54) is internal to housing (52);Housing (52) lower end is provided with removable electricity Polar cap (58), housing (52) upper end is electrode stem adapter sleeve (51);One end of probe wire (56) is connected, separately with ultrasonic probe (54) One end extends to the outside of housing (52), and is fastened by latch segment (55).
Joint for resistance spot welding quality ultrasound ripple online monitoring system the most according to claim 1, it is characterised in that: described It is internal that ultrasonic probe (54) is arranged at spot welding electrode (5), and coaxially arranged with spot welding electrode (5);Compound spot welding electricity Pole (5) is performing while normal spot welding function, its internal ultrasonic probe (54) under the control of monitoring host computer to being welded Workpiece (6) internal emission ultrasound wave, realizes on-line checking or control function simultaneously.
Joint for resistance spot welding quality ultrasound ripple online monitoring system the most according to claim 1, it is characterised in that: described Housing (52), electrode stem adapter sleeve (51) and electrode cap (58) use Cu alloy material to make.
Joint for resistance spot welding quality ultrasound ripple online monitoring system the most according to claim 1, it is characterised in that: described Ultrasonic coupling pad (57) uses elastomeric material, and upper and lower surface scribbles grease.
Joint for resistance spot welding quality ultrasound ripple online monitoring system the most according to claim 1, it is characterised in that: described Housing (52) is internally provided with cooling water path, and cooling water is flowed into by combination electrode sidewall, flows through housing (52) and electrode cap (58), at joint face, finally flow out from the opposite side of housing (52);Cooling water provides electrode cap (58) and housing (52) simultaneously Between ultrasonic coupling function.
The prison of joint for resistance spot welding quality ultrasound ripple online monitoring system the most as claimed in any of claims 1 to 5 Prosecutor method, it is characterised in that: comprise the steps:
Step 1: computer based ultrasound wave online monitoring system, i.e. monitoring host computer are integrated in resistance spot welding equipment (3) Together, ultrasonic probe (54) is arranged on an inside of spot welding electrode (5), and coaxially arranged with spot welding electrode (5);Prison Control main frame is connected with the controller of resistance spot welding equipment (3) by feedback control bus (2);
Step 2: during the energising welding of each joint, monitoring host computer controls ultrasonic probe by the ultrasonic card (4) that controls (54) launching ultrasound wave with fixing repetition rate, ultrasound wave propagates to the interior of welded piece (6) through combination electrode (5) Portion;Welding process, according to the signal characteristic of echo, is analyzed and passes judgment on, and being controlled by feedback by monitoring host computer (1) in real time Bus processed (2) sends instruction to resistance spot welding equipment (3), is adjusted controlling welding machine welding parameters, thus ensures nugget Size reaches technological requirement;
Step 3: the affecting laws of the ultrasonic reflections signal at double layer of metal plate contact surface with nugget size is by monitoring host computer Foundation, monitors formation and the growth conditions of nugget in real time, and realizes point quality control by the feedback of butt welding machine.
Joint for resistance spot welding quality ultrasound ripple on-line monitoring method the most according to claim 6, it is characterised in that: monitoring system System uses fully automatic working pattern, after system start-up, first loads every ultrasonic control parameter, waits subsequently into welding signal State;After welding machine is pressed under every sub-electrode, send welding by feedback data bus (2) to ultrasound wave online monitoring system and start Instruction;After ultrasound wave online monitoring system receives this instruction, control ultrasonic probe according to the repetition rate set and launch pulse Ultrasound wave, according to the detected reflection wave signal growth conditions to nugget, i.e. physical dimension, carries out real-time assessment, And send adjustment instruction according to built-in algorithms to resistance spot welding equipment (3), it is finally completed monitoring and the feedback of this welding process Control.
CN201610548559.7A 2016-07-13 2016-07-13 Joint for resistance spot welding quality ultrasound ripple online monitoring system and method Pending CN106064282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610548559.7A CN106064282A (en) 2016-07-13 2016-07-13 Joint for resistance spot welding quality ultrasound ripple online monitoring system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610548559.7A CN106064282A (en) 2016-07-13 2016-07-13 Joint for resistance spot welding quality ultrasound ripple online monitoring system and method

Publications (1)

Publication Number Publication Date
CN106064282A true CN106064282A (en) 2016-11-02

Family

ID=57206955

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610548559.7A Pending CN106064282A (en) 2016-07-13 2016-07-13 Joint for resistance spot welding quality ultrasound ripple online monitoring system and method

Country Status (1)

Country Link
CN (1) CN106064282A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106624313A (en) * 2017-02-16 2017-05-10 艾因蒂克检测科技(上海)股份有限公司 On-line detecting system and method for spot welding
CN108687435A (en) * 2017-03-30 2018-10-23 欧利生电气株式会社 The manufacturing method of engagement member manufacturing device and engagement member
CN108857027A (en) * 2018-08-17 2018-11-23 龙岩学院 Quality monitoring device and monitoring method during micro welding
CN108907461A (en) * 2018-07-18 2018-11-30 大连交通大学 A kind of laser welding system and welding method
CN109382578A (en) * 2017-08-11 2019-02-26 山东大学 A kind of friction welding quality testing assessment method
CN110064831A (en) * 2018-01-23 2019-07-30 长沙芬贝电子科技有限公司 It is a kind of can real-time detection solder joint welder and welding method
CN110726773A (en) * 2019-11-22 2020-01-24 吉林大学 Couplant-free in-situ pressure holding resistance spot welding ultrasonic detection device and method
CN113134675A (en) * 2021-03-16 2021-07-20 哈尔滨工业大学 Friction stir welding method and system based on ultrasonic detection
CN113319232A (en) * 2021-05-24 2021-08-31 海盐南方标准件有限公司 High-precision cold heading processing die for socket head cap screws
CN114101963A (en) * 2021-12-14 2022-03-01 吉林大学 Real-time evaluation method and device for flash butt welding quality of automobile rim
CN114147382A (en) * 2021-12-14 2022-03-08 吉林大学 Electric and ultrasonic signal composite resistance spot welding quality on-line monitoring method and device
CN114178669A (en) * 2021-08-17 2022-03-15 上海艾瑞斯科技有限公司 Battery tab ultrasonic metal welding quality on-line monitoring system and method
CN114669847A (en) * 2022-04-02 2022-06-28 吉林大学 Electrode arm structure of electrode holder with built-in ultrasonic sensor
EP4098390A4 (en) * 2020-01-28 2024-03-13 Obara Korea Corporation Resistance spot welding control system and method therefor

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294841A (en) * 1976-02-06 1977-08-09 Mitsubishi Electric Corp Resistance welding apparatus
JPS52105548A (en) * 1976-03-02 1977-09-05 Mitsubishi Electric Corp Apparatus for resistance welding with automatic control using supersonic waves
US4711984A (en) * 1987-03-09 1987-12-08 General Motors Corporation Ultrasonic method and apparatus for spot weld control
CN101523202A (en) * 2006-08-14 2009-09-02 Ge检查技术有限公司 Method for online ultrasound testing of a weld point produced using electrical resistance welding
JP2011079014A (en) * 2009-10-06 2011-04-21 Honda Motor Co Ltd Designing method of welding electrode with built-in ultrasonic sensor
JP2013215748A (en) * 2012-04-05 2013-10-24 Honda Motor Co Ltd Spot welding method
JP2015139796A (en) * 2014-01-28 2015-08-03 本田技研工業株式会社 Inspection method and inspection device for spot welding

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5294841A (en) * 1976-02-06 1977-08-09 Mitsubishi Electric Corp Resistance welding apparatus
JPS52105548A (en) * 1976-03-02 1977-09-05 Mitsubishi Electric Corp Apparatus for resistance welding with automatic control using supersonic waves
US4711984A (en) * 1987-03-09 1987-12-08 General Motors Corporation Ultrasonic method and apparatus for spot weld control
CN101523202A (en) * 2006-08-14 2009-09-02 Ge检查技术有限公司 Method for online ultrasound testing of a weld point produced using electrical resistance welding
JP2011079014A (en) * 2009-10-06 2011-04-21 Honda Motor Co Ltd Designing method of welding electrode with built-in ultrasonic sensor
JP2013215748A (en) * 2012-04-05 2013-10-24 Honda Motor Co Ltd Spot welding method
JP2015139796A (en) * 2014-01-28 2015-08-03 本田技研工業株式会社 Inspection method and inspection device for spot welding

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106624313A (en) * 2017-02-16 2017-05-10 艾因蒂克检测科技(上海)股份有限公司 On-line detecting system and method for spot welding
CN108687435B (en) * 2017-03-30 2019-11-01 株式会社欧利生 The manufacturing method of engagement member manufacturing device and engagement member
CN108687435A (en) * 2017-03-30 2018-10-23 欧利生电气株式会社 The manufacturing method of engagement member manufacturing device and engagement member
CN109382578B (en) * 2017-08-11 2021-03-16 山东大学 Friction welding quality detection and evaluation method
CN109382578A (en) * 2017-08-11 2019-02-26 山东大学 A kind of friction welding quality testing assessment method
CN110064831A (en) * 2018-01-23 2019-07-30 长沙芬贝电子科技有限公司 It is a kind of can real-time detection solder joint welder and welding method
CN108907461A (en) * 2018-07-18 2018-11-30 大连交通大学 A kind of laser welding system and welding method
CN108857027A (en) * 2018-08-17 2018-11-23 龙岩学院 Quality monitoring device and monitoring method during micro welding
CN110726773A (en) * 2019-11-22 2020-01-24 吉林大学 Couplant-free in-situ pressure holding resistance spot welding ultrasonic detection device and method
EP4098390A4 (en) * 2020-01-28 2024-03-13 Obara Korea Corporation Resistance spot welding control system and method therefor
CN113134675A (en) * 2021-03-16 2021-07-20 哈尔滨工业大学 Friction stir welding method and system based on ultrasonic detection
CN113319232A (en) * 2021-05-24 2021-08-31 海盐南方标准件有限公司 High-precision cold heading processing die for socket head cap screws
CN113319232B (en) * 2021-05-24 2022-06-28 海盐南方标准件有限公司 High-precision cold heading processing die for inner hexagon screws
CN114178669A (en) * 2021-08-17 2022-03-15 上海艾瑞斯科技有限公司 Battery tab ultrasonic metal welding quality on-line monitoring system and method
CN114147382A (en) * 2021-12-14 2022-03-08 吉林大学 Electric and ultrasonic signal composite resistance spot welding quality on-line monitoring method and device
CN114101963A (en) * 2021-12-14 2022-03-01 吉林大学 Real-time evaluation method and device for flash butt welding quality of automobile rim
CN114669847A (en) * 2022-04-02 2022-06-28 吉林大学 Electrode arm structure of electrode holder with built-in ultrasonic sensor

Similar Documents

Publication Publication Date Title
CN106064282A (en) Joint for resistance spot welding quality ultrasound ripple online monitoring system and method
Chen et al. Online monitoring and evaluation of the weld quality of resistance spot welded titanium alloy
Xia et al. Online measurement of weld penetration in robotic resistance spot welding using electrode displacement signals
CN110726773A (en) Couplant-free in-situ pressure holding resistance spot welding ultrasonic detection device and method
Ma et al. Review on Techniques for On‐Line Monitoring of Resistance Spot Welding Process
KR102007494B1 (en) System for inspecting welding quality of weld zone using ultrasonic
JP2007090435A (en) System and method for monitoring weld operation
CN109108445A (en) A kind of suspension type electric resistance electric arc welder welding process parameter monitor and monitoring method
US20090283569A1 (en) System and method for monitoring welding
US4449029A (en) Acoustic wave spot welder adaptive control
US20190321909A1 (en) Welding process and welding apparatus
CN107478721A (en) A kind of point quality real-time ultrasound the cannot-harm-detection device and method
Yang et al. Measurement of weld penetration depths in thin structures using transmission coefficients of laser-generated Lamb waves and neural network
CN114147382B (en) Method and device for on-line monitoring of electric and ultrasonic signal combined resistance spot welding quality
Zhou et al. Research on evaluating laser welding quality based on two-dimensional array ultrasonic probe
CN1332198C (en) Real time ultrasonic detection and monitoring method
CN114101963A (en) Real-time evaluation method and device for flash butt welding quality of automobile rim
CN109093240A (en) Medium frequency inverter direct current welding quality monitoring method and monitoring system
CN108393559A (en) Underwater wet welding quality evaluation system and Welding quality test control method
CN201653957U (en) Resistance spot welding quality monitoring device
Wang et al. A study of fatigue surface crack propagation paths of aluminum alloy butt welds using a Phased-Array Total-Focus imaging technique
CN116275437A (en) Resistance spot welding method and system
CN105911142A (en) Friction stirring welding phased array detection device and method of aluminum alloy hollow sectional material
WO2019207562A1 (en) Improved characterization and classification of spot welds by ultrasonic diagostic techniques
Breitenbach et al. A Systematic Literature Review on Machine Learning Approaches for Quality Monitoring and Control Systems for Welding Processes

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161102

WD01 Invention patent application deemed withdrawn after publication