CN106383166A - Welding quality detection device - Google Patents

Welding quality detection device Download PDF

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Publication number
CN106383166A
CN106383166A CN201610827060.XA CN201610827060A CN106383166A CN 106383166 A CN106383166 A CN 106383166A CN 201610827060 A CN201610827060 A CN 201610827060A CN 106383166 A CN106383166 A CN 106383166A
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CN
China
Prior art keywords
unit
welding quality
control unit
test device
quality test
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Pending
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CN201610827060.XA
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Chinese (zh)
Inventor
徐世龙
郭纪贤
高礼坤
张京日
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BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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Priority to CN201610827060.XA priority Critical patent/CN106383166A/en
Publication of CN106383166A publication Critical patent/CN106383166A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The invention discloses a welding quality detection device. The welding quality detection device comprises a control unit, a positioning unit, a detection unit and a moving unit, wherein the positioning unit is connected with the control unit, and is used for transmitting positional information of a welding part to the control unit; the detection unit is used for detecting the welding information of the welding part; the positioning unit and the detection unit are arranged on the moving unit, and the moving unit is connected with the control unit so as to enable the detection unit to move to a detection position of the welding part according to the positional information, wherein the control unit is set to judge the welding quality of the welding part according to the positional information and the welding information. According to the welding quality detection device disclosed by the invention, automation and intellectualization of welding quality detection can be realized, the labor intensity is reduced, the detection efficiency is high, the influence of human factors is reduced, the stability and precision of detection are greatly promoted, and the detection cost is low.

Description

Welding quality test device
Technical field
The invention belongs to technical field of vehicle manufacture, in particular to a kind of Welding quality test device.
Background technology
Automobile body welding is indispensable method of attachment in automobile manufacturing process, because workpiece group is to inclined in welding process The factors such as difference, wear to electrodes may lead to poor welding spots, such as rosin joint, burr, the depth of cup, pore, splashing etc., each body in white More solder joint and weld seam up to 4000, in correlation technique, adopt manual detection solder joint or weld seam, detect high labor intensive, detection Efficiency is low, relatively costly, there is room for improvement.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention One purpose is to propose a kind of efficient Welding quality test device.
Welding quality test device according to embodiments of the present invention includes:Control unit;Positioning unit, described positioning unit It is connected with described control unit, for the positional information of weld part to be detected is passed to described control unit;Detector unit, Described detector unit is used for detecting the weld information of weld part;Moving cell, described positioning unit and described detector unit are installed On described moving cell, described moving cell is connected single will described be detected according to described positional information with described control unit The mobile test position to described weld part of unit;Wherein said control unit is arranged to according to described positional information and described welding Information judges the welding quality of described weld part.
The Welding quality test device of embodiment according to a first aspect of the present invention, it is possible to achieve Welding quality test automatic Change and intelligent, decrease the work manually looking for weld part, reduce labor intensity, detection efficiency is high, decrease artificial because The impact of element, the stability of detection and precision are greatly improved, and the low cost detecting.
In addition, Welding quality test device according to the above embodiment of the present invention can also have the technology spy adding as follows Levy:
In some preferred embodiments of the present invention, described Welding quality test device also includes:Teaching unit, institute State teaching unit to be connected with described control unit, with for controlling described moving cell movement locus in described teaching unit Formula, and described formula is arranged to according to described positional information recoverable.
In some preferred embodiments of the present invention, described positioning unit is vision sensor, described positional information bag Include image information and the position offset of described weld part.
In some preferred embodiments of the present invention, described detector unit includes:Detecting head, described detecting head is arranged on On described moving cell;Survey meter, described survey meter is connected with described detecting head and described control unit is connected.
Specifically, described detector unit is eddy current type.
In some preferred embodiments of the present invention, described moving cell is the multifreedom motion machine of at least three axles Structure.
Preferably, described positioning unit and described detector unit are arranged on the mechanical arm of described movement mechanism with multiple degrees of freedom Free end.
Specifically, described positioning unit is arranged on the free end of described mechanical arm by mounting bracket.
Specifically, the free end of described mechanical arm is provided with flange, and described detector unit passes through mounting seat and described flange phase Even.
In some preferred embodiments of the present invention, described Welding quality test device also includes:Man machine interface, institute State man machine interface to be connected with described control unit.
Brief description
The above-mentioned and/or additional aspect of the present invention and advantage will become from reference to the description to embodiment for the accompanying drawings below Substantially and easy to understand, wherein:
Fig. 1 is the structural representation of Welding quality test device according to embodiments of the present invention;
Fig. 2 is the testing process schematic diagram of Welding quality test device according to embodiments of the present invention.
Reference:
Welding quality test device 100,
Control unit 110,
Positioning unit 120,
Detecting head 131, survey meter 132,
Moving cell 140, mechanical arm 141, mounting bracket 142, flange 143, mounting seat 144,
Teaching unit 150, man machine interface 160.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel Close and combine.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The Welding quality test device 100 of the embodiment of the present invention can be used for the Welding quality test of body in white.As Fig. 1 institute Show, Welding quality test device 100 according to embodiments of the present invention includes control unit 110, positioning unit 120, detector unit With moving cell 140.
Wherein, positioning unit 120 is connected with control unit 110, and such as positioning unit 120 can pass through holding wire and control Unit 110 is connected, and positioning unit 120 is used for for the positional information of weld part (including solder joint and weld seam) to be detected passing to control Unit 110 processed, positioning unit 120 can be vision sensor, and correspondingly, positional information can include the image information of weld part And position offset, certainly, positioning unit 120 is not limited to vision sensor, can also be laser sensor etc..
Positioning unit 120 and detector unit are installed on moving cell 140, moving cell 140 and control unit 110 phase Even with the positional information that recorded according to positioning unit 120 by the test position of detector unit movement to weld part.
Detector unit is used for detecting the weld information of weld part, and weld information can include the size of solder joint or weld seam, pressure Trace depth, there are impulse- free robustness, rosin joint, whether have the information such as pore.
Alternatively, detector unit can include detecting head 131 and survey meter 132, and wherein detecting head 131 may be mounted at fortune On moving cell 140, survey meter 132 is connected with detecting head 131 and control unit 110 is connected, and detecting head 131 moves to weld part The weld information of weld part can be measured, detecting head 131 passes through holding wire by the signal transmission detecting to spy after test position Survey instrument 132, survey meter 132 is according to this signal analysis welding quality.
Detector unit can be for eddy current type that is to say, that detecting head 131 can be eddy current probe, and survey meter 132 can be Eddy current detector, EDDY CURRENT relies primarily on electromagnetic induction technology and carries out detection method, and detecting head 131 without Contact welding socket part is Energy quantitation or qualitative detection go out welding spot size, depth of cup, have the problems such as impulse- free robustness, rosin joint,
Survey meter 132 can pass through data wire by the information transmission recording to control unit 110, and control unit 110 is permissible It is arranged to judge the welding quality of weld part according to positional information and weld information, specifically, can be judged according to positional information Whether, in allowed band, whether weld part is jagged, spot size or weldering for the position offset of weld part (solder joint or weld seam) Seam width size and whether in allowed band, solder joint or weld seam whether rosin joint, if having pore, weld indentation depth etc. is believed Breath.
Preferably, the Welding quality test device 100 of the embodiment of the present invention can also include teaching unit 150, teaching list Unit 150 is connected with control unit 110, with the formula for controlling moving cell 140 movement locus in teaching unit 150, and Formula is arranged to according to positional information recoverable.
It is understood that prestoring the formula for controlling moving cell 140 movement locus in teaching unit 150, in advance The formula deposited is corresponding with the precalculated position of weld part, and actual welding quality and ideal state due to workpiece have deviation, welding There is certain deviation in the physical location in portion and precalculated position, when positioning unit 120 detects the physical location of weld part, can So that this position is fed back to teaching unit 150, and revise this formula, revised formula can make the positive sports-like of detecting head 131 To weld part.
The method that description below detects welding quality using the Welding quality test device 100 of the embodiment of the present invention:
With reference to Fig. 2, workpiece (such as body in white) puts in place, starts Welding quality test device 100, moving cell 140 basis The formula motion of teaching unit 150, and make positioning unit 120 mobile near weld part, positioning unit 120 is according to the letter detecting The mobile physical location to weld part of breath, and revise the formula of teaching unit 150, moving cell 140 is according to revised formula Move to detector unit just to weld part, detector unit starts detection, and detection data is sent to control unit 110, controls Unit 110 judges the welding quality of weld part according to the information that detector unit and positioning unit 120 send.
Welding quality test device 100 according to embodiments of the present invention, it is possible to achieve the automatization of Welding quality test and Intellectuality, decreases the workload manually looking for weld part in correlation technique, reduces labor intensity, and detection efficiency is high, slackens The impact of anthropic factor, the stability of detection and precision are greatly improved, and the low cost detecting.
In some preferred embodiments of the present invention, with reference to Fig. 1, Welding quality test device 100 can also include people Machine interface 160, man machine interface 160 can be connected with control unit 110, man machine interface 160 be displayed for testing result, under Reach detection instruction or the formula actively writing teaching unit 150.
It should be noted that the data between above-mentioned part or information transfer can also may be used by way of wire transmission With by being wirelessly transferred.
In some preferred embodiments of the present invention, moving cell 140 can be the multifreedom motion of at least three axles Mechanism, such as various multivariant robots, mechanical hand etc., with reference to Fig. 1, moving cell 140 can include multiple connected Mechanical arm 141, the autokinesis of such moving cell 140 are high, can detect the weld part of each position of workpiece.
As shown in figure 1, positioning unit 120 may be mounted at the free end of the mechanical arm 141 of movement mechanism with multiple degrees of freedom, machine The free end of tool arm 141 can be connected with mounting bracket 142, and positioning unit 120 is arranged on mechanical arm by mounting bracket 142 141 free end.
As shown in figure 1, detector unit may be mounted at the free end of the mechanical arm 141 of movement mechanism with multiple degrees of freedom, machinery The free end of arm 141 can be provided with flange 143, and detector unit can be connected with flange 143 by mounting seat 144.Specifically, visit Survey instrument 132 to be arranged in mounting seat 144, mounting seat 144 is arranged on flange 143.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral;Can be that machinery connects Connect or electrically connect;Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements, limit unless otherwise clear and definite.For those of ordinary skill in the art For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

1. a kind of Welding quality test device is it is characterised in that include:
Control unit;
Positioning unit, described positioning unit is connected with described control unit, for passing the positional information of weld part to be detected Pass described control unit;
Detector unit, described detector unit is used for detecting the weld information of described weld part;
Moving cell, described positioning unit and described detector unit are arranged on described moving cell, described moving cell and institute State control unit to be connected to be moved described detector unit according to described positional information to the test position of described weld part;Wherein
Described control unit is arranged to judge the welding quality of described weld part according to described positional information and described weld information.
2. Welding quality test device according to claim 1 is it is characterised in that also include:
Teaching unit, described teaching unit is connected with described control unit, with for controlling described fortune in described teaching unit The formula of moving cell movement locus, and described formula is arranged to according to described positional information recoverable.
3. Welding quality test device according to claim 1 is it is characterised in that described positioning unit is visual sensing Device, described positional information includes image information and the position offset of described weld part.
4. Welding quality test device according to claim 1 is it is characterised in that described detector unit includes:
Detecting head, described detecting head is arranged on described moving cell;
Survey meter, described survey meter is connected with described detecting head and described control unit is connected.
5. Welding quality test device according to claim 4 is it is characterised in that described detector unit is eddy current type.
6. Welding quality test device according to claim 1 is it is characterised in that described moving cell is at least three axles Movement mechanism with multiple degrees of freedom.
7. Welding quality test device according to claim 6 is it is characterised in that described positioning unit and described detection list Unit is arranged on the free end of the mechanical arm of described movement mechanism with multiple degrees of freedom.
8. Welding quality test device according to claim 7 is it is characterised in that described positioning unit passes through mounting bracket It is arranged on the free end of described mechanical arm.
9. Welding quality test device according to claim 7 is it is characterised in that the free end of described mechanical arm is provided with method Orchid, described detector unit is connected with described flange by mounting seat.
10. Welding quality test device according to claim 1 is it is characterised in that also include:
Man machine interface, described man machine interface is connected with described control unit.
CN201610827060.XA 2016-09-14 2016-09-14 Welding quality detection device Pending CN106383166A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107024534A (en) * 2017-04-11 2017-08-08 北京工业大学 The omni-directional vortex self-adapting scanning system of carbon fibre reinforced composite uniformity defect
CN107843645A (en) * 2017-12-07 2018-03-27 上海超具机器人科技有限公司 Eddy current testing device for automobile body welding
CN107843644A (en) * 2017-12-07 2018-03-27 上海超具机器人科技有限公司 A kind of vehicle body solder joint automatic checkout system and its control method
CN108051498A (en) * 2017-11-28 2018-05-18 广东美芝制冷设备有限公司 The soldered seam detection method and system of compressor suction duct group
CN108225761A (en) * 2018-03-26 2018-06-29 湖北文理学院 A kind of sliding rail of automobile seat detecting system and method
CN108956703A (en) * 2018-07-17 2018-12-07 深圳市国威科创新能源科技有限公司 A kind of detection device and its detection method of welding quality
CN109916703A (en) * 2019-02-22 2019-06-21 重庆金康动力新能源有限公司 Solder joint detection device and solder joint detection method
CN110355493A (en) * 2019-06-26 2019-10-22 中车工业研究院有限公司 The welding system of automatic detection face of weld quality
WO2020215585A1 (en) * 2019-04-26 2020-10-29 中国科学院自动化研究所 Linear system and method for inspecting solder joint quality of workpiece
CN111983015A (en) * 2020-08-25 2020-11-24 成都盛锴科技有限公司 Vehicle frame weld joint detection system and detection method
CN113241502A (en) * 2021-04-13 2021-08-10 珠海冠宇电池股份有限公司 Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery
CN113670704A (en) * 2021-08-27 2021-11-19 山东精工电源科技有限公司 Method for detecting spot welding and false welding of energy storage battery pack and detection device used by same

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CN104907746A (en) * 2015-06-11 2015-09-16 唐山松下产业机器有限公司 Robot welding system and welding quality detecting method thereof
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JP2006329632A (en) * 2005-05-23 2006-12-07 Sii Nanotechnology Inc Nondestructive inspection device and non-destructive inspection method using it
CN102590334A (en) * 2012-02-29 2012-07-18 湖南湖大艾盛汽车技术开发有限公司 Complete set of eddy current flaw detection equipment for white vehicle body or parts
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107024534A (en) * 2017-04-11 2017-08-08 北京工业大学 The omni-directional vortex self-adapting scanning system of carbon fibre reinforced composite uniformity defect
CN108051498A (en) * 2017-11-28 2018-05-18 广东美芝制冷设备有限公司 The soldered seam detection method and system of compressor suction duct group
CN107843645A (en) * 2017-12-07 2018-03-27 上海超具机器人科技有限公司 Eddy current testing device for automobile body welding
CN107843644A (en) * 2017-12-07 2018-03-27 上海超具机器人科技有限公司 A kind of vehicle body solder joint automatic checkout system and its control method
CN108225761A (en) * 2018-03-26 2018-06-29 湖北文理学院 A kind of sliding rail of automobile seat detecting system and method
CN108956703A (en) * 2018-07-17 2018-12-07 深圳市国威科创新能源科技有限公司 A kind of detection device and its detection method of welding quality
CN109916703A (en) * 2019-02-22 2019-06-21 重庆金康动力新能源有限公司 Solder joint detection device and solder joint detection method
WO2020215585A1 (en) * 2019-04-26 2020-10-29 中国科学院自动化研究所 Linear system and method for inspecting solder joint quality of workpiece
CN110355493A (en) * 2019-06-26 2019-10-22 中车工业研究院有限公司 The welding system of automatic detection face of weld quality
CN111983015A (en) * 2020-08-25 2020-11-24 成都盛锴科技有限公司 Vehicle frame weld joint detection system and detection method
CN113241502A (en) * 2021-04-13 2021-08-10 珠海冠宇电池股份有限公司 Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery
CN113241502B (en) * 2021-04-13 2022-12-27 珠海冠宇电池股份有限公司 Insufficient solder detection method, insufficient solder detection device and preparation method of lithium battery
CN113670704A (en) * 2021-08-27 2021-11-19 山东精工电源科技有限公司 Method for detecting spot welding and false welding of energy storage battery pack and detection device used by same

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