CN106363318A - Welding quality detection device and method, and stitch welding machine - Google Patents

Welding quality detection device and method, and stitch welding machine Download PDF

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Publication number
CN106363318A
CN106363318A CN201610938254.7A CN201610938254A CN106363318A CN 106363318 A CN106363318 A CN 106363318A CN 201610938254 A CN201610938254 A CN 201610938254A CN 106363318 A CN106363318 A CN 106363318A
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CN
China
Prior art keywords
light source
welding
bonding wire
take
housing
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CN201610938254.7A
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Chinese (zh)
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CN106363318B (en
Inventor
陈世庚
刘文波
马睿
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Jiangsu Xiaoniu Automation Equipment Co ltd
Ningxia Xiaoniu Automation Equipment Co ltd
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Ningxia XN Automation Equipment Co Ltd
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Priority to CN201610938254.7A priority Critical patent/CN106363318B/en
Publication of CN106363318A publication Critical patent/CN106363318A/en
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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
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • 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
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • 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
    • B23K3/00Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/08Auxiliary devices therefor
    • 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
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/36Electric or electronic devices

Abstract

The invention discloses a welding quality detection method. The method comprises the following steps that scaling powder is sprayed to a welding strip and a confluence strip of a cell string to be welded, and after the welding strip and the confluence strip are welded, a characteristic bonding wire is formed in a joint of the welding strip and the confluence strip; the formed characteristic bonding wire is brightened in a lighting form; a cell string image recording the characteristic bonding wire is obtained from the cell string located below a welding quality detection device; a corresponding characteristic bonding wire brightness value is obtained according to the characteristic bonding wire in the cell string image, and weather the obtained characteristic bonding wire brightness value is within a prestored characteristic bonding wire brightness value range or not is judged; and it is judged that the obtained characteristic bonding wire value is within the characteristic bonding wire brightness value range, it is determined that welding of the welding strip and the confluence strip is firm and full. The invention further provides a welding quality detection device and a stitch welding machine.

Description

Welding quality test device and method and stitch welding machine
Technical field
The present invention relates to solaode series welding connects technical field of quality detection, particularly to a kind of Welding quality test dress Put and method and stitch welding machine.
Background technology
During assembly produces, by convergent belt, the battery strings first and last end having welded bunchiness is correctly connected Connect, and carry out lamination using other auxiliary materials, that is, complete the Series connection welding of battery strings and battery strings convergent belt, that is, group The lamination procedure being referred to as in part factory.Lamination procedure is complicated because of working procedure, at present or with traditional conduit artificial complex welding Mode, and welding quality is mainly by manual detection, with the appearance of stitch welding process automation equipment, each assembly producer to its from Dynamicization equipment welding quality proposes query, and it is whether reliable that battery strings and convergent belt scaling powder weld, and can or can not exist Rosin joint, solder skip?At present, most of detection project is still entirely localized to observe, judge and to process by people's naked eyes, also has and passes through Power and temperature are detected, such as the patent No. is the patent of cn201110135819, by applying power to heating element heater, supervise Control its quantity of power;And measure temperature, capture conducting strip and the conductive lead wire of heating element heater during applying power to heating element heater One or more images, compare the curve of monitored quantity of power and measured temperature and desired quantity of power and desired The curve of temperature, determines whether define qualified juncture between conducting strip and conductive lead wire by analyzing its image , because it is switched on detecting, therefore detection time is long, and because testing its temperature, must by temperature detector with to be measured Part is contacted, and after multiple spot to be carried out and regular hour contact, could obtain accurate temperature, therefore time-consuming longer, And if conducting strip cell piece, it is crisp and thin, and is also easy to produce sliver phenomenon, increased percentage of damage.
Content of the invention
In consideration of it, being necessary to provide one kind need not contact with cell piece, just welding can be carried out with convergent belt welding quality The Welding quality test device of real-time online detection identification rosin joint.
A kind of stitch welding machine using above-mentioned Welding quality test device of offer is provided.
A kind of welding quality detection method of offer is provided.
A kind of Welding quality test device, this Welding quality test device is used for being arranged on the frame of stitch welding machine, and it is right to come Stitch welding machine completes after stitch welding operation and is located at the welding of battery strings below this Welding quality test device and the welding that confluxes Quality carries out real-time detection, to identify welding and convergent belt whether rosin joint;Welding quality test device include the first harvester, Welding quality analysis module, the first harvester include the first fixed seat, the first characteristics of image intensifier, the first pedestal, One image acquiring device, the second pedestal, will be relative with the frame of stitch welding machine for Welding quality test device solid by the first fixed seat Fixed;First pedestal and the second pedestal are installed in the first fixed seat, and the first characteristics of image intensifier and the first Image Acquisition fill Put corresponding respectively be arranged on the first pedestal and the second pedestal, the first characteristics of image intensifier is used for making welding and convergent belt The feature bonding wire that seam crossing is formed brightens, and the first image acquiring device is used for from the battery below Welding quality test device Obtaining record on string has the battery strings picture of feature bonding wire, and the battery strings picture of acquisition is supplied to welding quality analysis mould Block, welding quality analysis module obtains corresponding feature bonding wire brightness value according to the feature bonding wire in battery strings picture, welds matter Amount analysis module judges that the feature bonding wire brightness value obtaining, whether in the feature bonding wire range of luminance values prestoring, is being judged to obtain When the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine that welding is full with convergent belt firm welding.
A kind of stitch welding machine, including frame, conveying guiding mechanism, Welding quality test device, Welding quality test device and Conveying guiding mechanism is arranged in frame, and conveys guiding mechanism below Welding quality test device, conveys guiding mechanism For conveying battery strings to Welding quality test device, Welding quality test device is used for the welding to battery strings and confluxes Welding quality carries out real-time detection, to identify welding and convergent belt whether rosin joint;Welding quality test device includes first and adopts Acquisition means, welding quality analysis module, the first harvester include the first fixed seat, the first characteristics of image intensifier, first Pedestal, the first image acquiring device, the second pedestal, by the first fixed seat by the frame of Welding quality test device and stitch welding machine It is relatively fixed;First pedestal and the second pedestal are installed in the first fixed seat, and the first fixed seat is also fixedly connected with frame, and first Characteristics of image intensifier and the first image acquiring device is corresponding respectively is arranged on the first pedestal and the second pedestal, the first figure As feature intensifier is used for making the feature bonding wire that welding is formed with convergent belt seam crossing brighten, the first image acquiring device is used for There is a battery strings picture of feature bonding wire from record is obtained positioned at the battery strings below Welding quality test device, and will obtain Battery strings picture is supplied to welding quality analysis module, and welding quality analysis module obtains according to the feature bonding wire in battery strings picture Obtain corresponding feature bonding wire brightness value, welding quality analysis module judges the feature bonding wire brightness value obtaining whether in the spy prestoring Levy in bonding wire range of luminance values, when judging that the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, really Determine welding full with convergent belt firm welding.
A kind of welding quality detection method, comprises the following steps: sprays and helps weldering in the welding of battery strings to be welded, convergent belt Agent, make welding with the welding that confluxes after, form feature bonding wire in the seam crossing of welding and convergent belt;
Brightened with the feature bonding wire that illumination form makes formation;
There is the battery strings picture of feature bonding wire from record is obtained positioned at the battery strings below Welding quality test device;
Corresponding feature bonding wire brightness value is obtained according to the feature bonding wire in battery strings picture, judges the feature bonding wire brightness obtaining Whether value is in the feature bonding wire range of luminance values prestoring;
When judging that the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine welding and the tape welding that confluxes Connect firmly full.
In above-mentioned Welding quality test device and detection method and stitch welding machine, in welding, the convergent belt of battery strings to be welded Spraying scaling powder, make welding with the welding that confluxes after, form feature bonding wire in the seam crossing of welding and convergent belt, with illumination form The feature bonding wire of formation is made to brighten, obtaining record has the battery strings picture of feature bonding wire, according to the feature weldering in battery strings picture Whether line obtains corresponding feature bonding wire brightness value, judge the feature bonding wire brightness value obtaining in the feature bonding wire brightness value prestoring In the range of, when judging that the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine welding and conflux Welding is firmly full, so need not contact with cell piece, just can carry out real-time online inspection to welding and convergent belt welding quality Survey identification rosin joint.
Brief description
Accompanying drawing 1 is the structural representation of the stitch welding machine of a better embodiment.
Accompanying drawing 2 is the structural representation of the first harvester in Fig. 1.
Accompanying drawing 3 is drive component and moving assembly fit structure schematic diagram in the first harvester.
Accompanying drawing 4 is the partial enlargement structural representation of the first harvester in Fig. 1.
Accompanying drawing 5 is the setting angle schematic diagram of the first characteristics of image intensifier.
Accompanying drawing 6 is the structural representation of the second harvester in Fig. 1.
Accompanying drawing 7 is the setting angle schematic diagram of the second characteristics of image intensifier.
In figure: stitch welding machine 10, frame 20, conveying guiding mechanism 30, Welding quality test device 40, the first harvester 41st, the first fixed seat 410, the first characteristics of image intensifier 411, light source 4110, the first pedestal 412, the first Image Acquisition dress Put the 413, second pedestal 414, support arm 415, load bearing arm 416, groove 4160, mobile positioning mechanism 417, drive component 4170, Motor 41700, drivewheel 41701, driven pulley 41702, dead axle 41703, Timing Belt 41704, moving assembly 4171, the first guide rail 41710th, the first slide block 41711, pressure zone plate 41712, rebound 41713, the first take-up housing 41714, positioning component 4172, motion Assembly 4173, bearing 41730, short axle 41731, the second take-up housing 41732, the second slide block 41733, the second guide rail 41734, spring 41735th, guide holder 41736, major axis 41737, locating piece 4174, boss 41745, arc positioning groove 41746, welding quality analysis Module 42, the second harvester 43, the second fixed seat 430, the second characteristics of image intensifier 431, light source 4310, the 3rd pedestal 432nd, the second image acquiring device 433, the 4th pedestal 434, rosette end 50, non-rosette end 60, battery strings 91, welding 200, Convergent belt 300, the short convergent belt of l shape 301, the long convergent belt of l shape 302.
Specific embodiment
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment Figure be briefly described it should be apparent that, drawings in the following description are that some of the embodiment of the present invention weld thing with scaling powder Welding quality test device embodiment, for those of ordinary skill in the art, before not paying creative work Put, other accompanying drawings can also be obtained according to these accompanying drawings.
As shown in Figures 1 to 4, stitch welding machine 10 includes frame 20, conveying guiding mechanism 30, Welding quality test device 40, Welding quality test device 40 and conveying guiding mechanism 30 are arranged in frame 20, and convey guiding mechanism 30 positioned at welding quality Below detection means 40, conveying guiding mechanism 30 is used for conveying battery strings to Welding quality test device 40, welding quality Detection means 40 is used for carrying out real-time detection to the welding of battery strings and convergent belt welding quality, to identify that welding with convergent belt is No rosin joint;Welding quality test device 40 includes the first harvester 41, welding quality analysis module 42, the first harvester 41 Including the first fixed seat 410, the first characteristics of image intensifier 411, the first pedestal 412, the first image acquiring device 413, The frame 20 of Welding quality test device 40 and stitch welding machine 10 is relatively fixed by two pedestals 414 by the first fixed seat 410;The One pedestal 412 and the second pedestal 414 are installed in the first fixed seat 410, and the first fixed seat 410 is also fixedly connected with frame 20, First characteristics of image intensifier 411 and the first image acquiring device 413 is corresponding respectively is arranged on the first pedestal 412 and second On pedestal 414, the first characteristics of image intensifier 411 is used for making the feature bonding wire that welding is formed with convergent belt seam crossing brighten, First image acquiring device 413 is used for acquisition record the battery strings picture of feature bonding wire, and the battery strings picture of acquisition is carried Supply welding quality analysis module 42, welding quality analysis module 42 obtains corresponding according to the feature bonding wire in battery strings picture Feature bonding wire brightness value, whether welding quality analysis module 42 judges the feature bonding wire brightness value obtaining in the feature bonding wire prestoring In range of luminance values, when judging that the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine welding Full with convergent belt firm welding.
Further, the first harvester 41 rosette end 50 position in stitch welding machine 10, the second pedestal 414 includes propping up Brace 415, load bearing arm 416 and mobile positioning mechanism 417, one end of support arm 415 is fixedly connected with the first fixed seat 410, The other end of brace 415 is fixedly connected with load bearing arm 416, and mobile positioning mechanism 417 is connected with load bearing arm 416, movable positioning machine Structure 417 is also fixedly connected with the first image acquiring device 413, and mobile positioning mechanism 417 drives the first image acquiring device 413 to transport Dynamic so that the camera lens of the first image acquiring device 413 and battery strings have the region of feature bonding wire just pair when, the first image obtains The camera lens taking device 413 does not tremble;Mobile positioning mechanism 417 includes drive component 4170, moving assembly 4171, positioning group Part 4172;Drive component 4170, moving assembly 4171, positioning component 4172 are fixed on load bearing arm 416, moving assembly 4171 Mobile terminal is fixedly connected with the first image acquiring device 413, the movement of the outfan of drive component 4170 and moving assembly 4171 End connects, and positioning component 4172 is connected with moving assembly 4171, drive component 4170 driving moving assembly 4171 be provided with the When the mobile terminal of one image acquiring device 413 reaches on positioning component 4172, positioning component 4172 makes mobile terminal stop motion, Do not trembleed with the camera lens realizing the first image acquiring device 413.Moving assembly 4171, positioning component 4172 quantity according to Produce reality needs to determine, for example moving assembly 4171, the quantity of positioning component 4172 are two in the present embodiment.
Wherein, drive component 4170 includes motor 41700, drivewheel 41701, driven pulley 41702, dead axle 41703, synchronization Band 41704, motor 41700 is fixedly installed on one end of load bearing arm 416, and drivewheel 41701 is fixedly connected with motor 41700, fixed Axle 41703 is fixedly connected with driven pulley 41702, and dead axle 41703 is also fixedly connected with load bearing arm 416, and is located at load bearing arm 416 The other end, drivewheel 41701 and driven pulley 41702 are set to same direction, Timing Belt 41704 be installed on drivewheel 41701 with On driven pulley 41702, moved in the driving lower edge drivewheel 41701 of motor 41700 and the pitch circle of driven pulley 41702;Move Dynamic assembly 4171 includes the first guide rail 41710, the first slide block 41711, pressure zone plate 41712, rebound 41713, the first take-up housing 41714, the first guide rail 41710 is fixedly installed on load bearing arm 416 along the direction vertical with motor 41700, described first slide block 41711 are movably connected on the first guide rail 41710, and one end of the first take-up housing 41714 is fixedly installed in the first slide block 41711 On, the other end of the first take-up housing 41714 is fixedly connected with the first image acquiring device 413, and rebound 41713 is fixedly mounted on On the face of the first take-up housing 41714 vertical with the first slide block 41711, the synchronization of drive component 4170 pushed down by pressure zone plate 41712 It is fixedly connected with rebound 41713 after band 41704, under the driving of drive component 4170, the Timing Belt of drive component 4170 41704 drive the first slide blocks 41711 and the first take-up housing 41714 move to reach positioning component 4172 along the first guide rail 41710 On;Positioning component 4172 includes moving parts 4173 and locating piece 4174, and locating piece 4174 is arranged on the groove of load bearing arm 416 In 4160, and locating piece 4174 is located between load bearing arm 416 and the first guide rail 41710, and the side of one end of locating piece 4174 sets It is equipped with boss 41745, boss 41745 is provided with arc positioning groove 41746;Moving parts 4173 include bearing 41730, short axle 41731st, the second take-up housing 41732, the second slide block 41733, the second guide rail 41734, spring 41735, guide holder 41736 and major axis 41737, guide holder 41736 is fixedly installed on the first take-up housing 41714 of moving assembly 4171, and major axis 41737 passes through guiding Seat 41736, spring 41735 are fixedly connected with the second take-up housing 41732 one end, and the second slide block 41733 is movably connected on second and leads On rail 41734, the second guide rail 41734 be fixedly installed in the first take-up housing 41714 on, the second take-up housing 41732 fixedly mounts On the second slide block 41733, the other end of the second take-up housing 41732 is provided with described short axle 41731, and short axle 41731 passes through axle Hold 41730 to be fixedly connected with the second take-up housing 41732, when drive component 4170 drives moving assembly 4171 to move to locating piece When on 4174, by short axle 41731, the second take-up housing 41732, the second slide block 41733, the second guide rail 41734, spring 41735, The cooperation of guide holder 41736 and major axis 41737 is so that the bearing 41731 of moving parts 4173 snaps in locating piece with elastic type In 41714 arc positioning groove 41716, and then the first take-up housing 41714 being provided with the first image acquiring device 413 is stoped to be transported Dynamic.Wherein, different according to the set location of locating piece 4174, each part in moving parts 4173 is corresponding to be arranged on the first cunning On the face of block 41714, to realize the matching relationship of moving parts 4173 and locating piece 4174.
In the present embodiment, referring to Fig. 5, the first characteristics of image intensifier 411 includes three pairs of light sources 4110, The quantity of the first pedestal 412 is corresponding with the quantity of light source 4110, and the light source in three pairs of light sources passes through corresponding first pedestal 412 It is fixedly connected with the first fixed seat 410, two light sources 4110 of first pair of light source in the middle of the first fixed seat 410 set opposite to each other Put, the angle that the light beam of two light sources 4110 of first pair of light source projects is identical;Positioned at the two ends of the first fixed seat 410 second Relative to two light sources 4110 of light source, the angle that the light beam of two light sources 4110 of second pair of light source projects is identical;Positioned at Two light sources 4110 of the 3rd pair of light source in the middle of a pair of light source, the light source 4110 of second pair of light source are relative, the 3rd pair of light source The angle that the light beam of two light sources 4110 projects is identical;And each pair light source is not arranged on the same straight line with adjacent pair light source, The angle that the light beam of the light source 4110 in first pair of light source projects is more than the light beam injection of the light source 4110 in second pair of light source Angle, the angle of the light beam injection of the light source 4110 in second pair of light source is less than the light beam of the light source 4110 in the 3rd pair of light source The angle going out, such as the angle that the light beam of the light source 4110 in first pair light source projects is 25 degree, the light source in second pair of light source The angle that the angle that 4110 light beam projects is 5 degree, the light beam of light source 4110 in the 3rd pair of light source projects is 11 degree.First figure Quantity as acquisition device 413 is two.
Further, Welding quality test device 40 also includes the second harvester 43, and referring to Fig. 6, second adopts Acquisition means 43 non-rosette end 60 position in stitch welding machine 10, the second harvester 43 includes the second fixed seat 430, the second figure As feature intensifier 431, the 3rd pedestal 432, the second image acquiring device 433, the 4th pedestal 434, by the second fixed seat The frame 20 of the second harvester 43 and stitch welding machine 10 is relatively fixed by 430;3rd pedestal 432 and the 4th pedestal 434 are installed on In second fixed seat 430, the second characteristics of image intensifier 431 and the second image acquiring device 433 is corresponding respectively is arranged on On 3rd pedestal 432 and the 4th pedestal 434, the second characteristics of image intensifier 431 is used for making welding and convergent belt seam crossing shape The feature bonding wire becoming brightens, and the second image acquiring device 433 is used for acquisition record the battery strings picture of feature bonding wire, and will obtain The battery strings picture taking is supplied to welding quality analysis module 42.
Wherein, referring to Fig. 7, the second characteristics of image intensifier 431 includes three pairs of light sources, the 3rd pedestal 432 Quantity is corresponding with the quantity of light source 4310, and it is solid that the light source 4310 in three pairs of light sources passes through corresponding 3rd pedestal 432 and second Reservation 430 is fixedly connected, and two light sources 4310 of first pair of light source in the middle of the second fixed seat 430 are disposed opposite to each other, and first The angle that the light beam of two light sources 4310 of light source is projected is identical;Positioned at second pair of light source at the two ends of the second fixed seat two Relatively, the angle that the light beam of two light sources 4310 of second pair of light source projects is identical for individual light source 4310;Positioned at first pair of light source, Two light sources 4310 of the 3rd pair of light source in the middle of the light source of two pairs of light sources are relative, the light of two light sources 4310 of the 3rd pair of light source The angle that beam goes out is identical;And each pair light source is not arranged on the same straight line with adjacent pair light source, the light in first pair of light source The angle that the light beam in source 4310 projects is more than the angle that the light beam of the light source 4310 in second pair of light source projects, in second pair of light source Light source 4310 light beam project angle be less than the 3rd pair of light source in light source 4310 light beam project angle, such as first The angle that the angle that the light beam of the light source 4310 in light source is projected is 30 degree, the light beam of light source 4310 in second pair of light source projects The angle spending the light beam injection for the light source 4310 in 5 degree, the 3rd pair of light source is 11 degree.The number of the second image acquiring device 433 Measure as three.
Further, the present invention also provides a kind of welding quality detection method, comprises the following steps: in battery strings to be welded Welding, convergent belt spraying scaling powder weldering, make welding with the welding that confluxes after, form feature in the seam crossing of welding and convergent belt Bonding wire;
Brightened with the feature bonding wire that illumination form makes formation;
There is the battery strings picture of feature bonding wire from record is obtained positioned at the battery strings below Welding quality test device;
Corresponding feature bonding wire brightness value is obtained according to the feature bonding wire in battery strings picture, judges the feature bonding wire brightness obtaining Whether value is in the feature bonding wire range of luminance values prestoring;
When judging that the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine welding and the tape welding that confluxes Connect firmly full.
The work process of above-mentioned stitch welding machine 10 is below described, referring to Fig. 3 to Fig. 5:.
The first harvester 41 in Welding quality test device 40, the second harvester 43 are respectively arranged in stitch welding machine 10 Rosette end 50 and non-rosette end 60, in the first characteristics of image intensifier 411, the second characteristics of image intensifier 431 Light source according to convergent belt 300 quantity and position and battery strings 91 specification arrangement, respectively at the rosette end 50 of assembly with non-connect Line box end 60 is provided with 6, the light source transmitting in the first characteristics of image intensifier 411, the second characteristics of image intensifier 431 The light beam going out becomes predetermined angle with stay long welding 200 and the face of convergent belt 300 composition irradiated, so utilizes the photograph of light source Penetrate so that the feature bonding wire being formed at welding and convergent belt solder joint brightens;First image acquiring device 413, the second image Acquisition device 433 is located at the surface of convergent belt 300 position, and wherein, rosette end 50 is provided with two the first Image Acquisition dresses Put 413, non-rosette end 60 is provided with three the second image acquiring devices 433, the first image acquiring device 413, the second image Acquisition device 433 completes battery with the first characteristics of image intensifier 411, the second characteristics of image intensifier 431 cooperation respectively Assembly junction box end 50 and non-rosette end 60 convergent belt 300 and battery strings stay taking pictures of the solder joint of long welding 200, that is, according to According to the setting of stitch welding machine 10 welding sequence, at rosette end 50, after first having welded the short convergent belt of l shape 301, its corresponding first image Feature intensifier 411 coordinate the first image acquiring device 413 to staying herein long welding 200 and convergent belt 301 solder joint Taken pictures in place, the corresponding intrument in stitch welding machine 10 lays eva film and the long convergent belt of l shape 302, and mobile positioning mechanism 417 is mobile First image acquiring device 413 stays the top at the place to be welded that long welding 200 crosses to the long convergent belt of l shape 302 and battery strings, treats After completing welding herein, the first characteristics of image intensifier 411 coordinates the first image acquiring device 413 that length of staying herein is welded Band 200 is taken pictures with convergent belt 302 seam crossing;At non-rosette end 60, often welded battery strings at stay long welding 200 with Convergent belt 300, the second image acquiring device 433, the second characteristics of image intensifier 431 are clapped immediately at its solder joint According to;The battery strings that welding quality analysis module 42 analyzes the first image acquiring device 413, the second image acquiring device 433 obtains Whether picture, according to the feature bonding wire in battery strings picture in the feature bonding wire range of luminance values prestoring, judging to obtain Feature bonding wire value in the feature bonding wire range of luminance values prestoring when, determine that welding is full with convergent belt firm welding.Wherein, The feature bonding wire brightness value prestoring represents that the feature bonding wire that welding is formed with convergent belt seam crossing is a complete bright line, is sentencing Break the feature bonding wire brightness value acquisition in the feature bonding wire range of luminance values prestoring when assert no hollow weldering herein, quality Excellent;When obtain feature bonding wire brightness value not in the feature bonding wire range of luminance values prestoring when then it is assumed that welding with conflux Band seam crossing forms breakpoint, dim spot, that is, assert failure welding;
Module in embodiment of the present invention device or unit can merge according to actual needs, divide and delete.
Above disclosed be only present pre-ferred embodiments, certainly the right model of the present invention can not be limited with this Enclose, one of ordinary skill in the art will appreciate that realizing all or part of flow process of above-described embodiment, and will according to right of the present invention Seek made equivalent variations, still fall within the scope that invention is covered.

Claims (10)

1. a kind of Welding quality test device it is characterised in that: this Welding quality test device is used for being arranged on the machine of stitch welding machine On frame, stitch welding machine is completed after stitch welding operation and be located at the welding of battery strings below this Welding quality test device and remittance Stream welding quality carries out real-time detection, to identify welding and convergent belt whether rosin joint;Welding quality test device includes first Harvester, welding quality analysis module, the first harvester include the first fixed seat, the first characteristics of image intensifier, One pedestal, the first image acquiring device, the second pedestal, by the first fixed seat by the machine of Welding quality test device and stitch welding machine Frame is relatively fixed;First pedestal and the second pedestal are installed in the first fixed seat, the first characteristics of image intensifier and the first figure It is arranged on the first pedestal and the second pedestal as acquisition device is corresponding respectively, the first characteristics of image intensifier is used for making welding The feature bonding wire being formed with convergent belt seam crossing is brightened, and the first image acquiring device is used for acquisition record the battery of feature bonding wire String picture, and the battery strings picture of acquisition is supplied to welding quality analysis module, welding quality analysis module is according to battery strings Feature bonding wire in picture obtains corresponding feature bonding wire value, and welding quality analysis module judges the feature bonding wire brightness value obtaining Whether in the feature bonding wire range of luminance values prestoring, judging the feature bonding wire brightness value obtaining in the feature bonding wire prestoring When in range of luminance values, determine that welding is full with convergent belt firm welding.
2. Welding quality test device as claimed in claim 1 it is characterised in that: the second pedestal includes support arm, load bearing arm And mobile positioning mechanism, one end of support arm is fixedly connected with the first fixed seat, and the other end of support arm is fixing with load bearing arm even Connect, mobile positioning mechanism is connected with load bearing arm, mobile positioning mechanism is also fixedly connected with the first image acquiring device, running fix Mechanism drives the first image acquiring device motion, so that the camera lens of the first image acquiring device and battery strings has feature bonding wire Region just pair when, the camera lens of the first image acquiring device does not tremble;Mobile positioning mechanism includes drive component, mobile group Part, positioning component;Drive component, moving assembly, positioning component are fixed on load bearing arm, the mobile terminal of moving assembly and the first figure As acquisition device is fixedly connected, the outfan of drive component is connected with the mobile terminal of moving assembly, positioning component and moving assembly Connect, when drive component drives the mobile terminal being provided with the first image acquiring device of moving assembly to reach on positioning component, fixed Hyte part makes mobile terminal stop motion, is not trembleed with the camera lens realizing the first image acquiring device.
3. Welding quality test device as claimed in claim 2 it is characterised in that: drive component include motor, drivewheel, from Driving wheel, dead axle, Timing Belt, motor is fixedly installed on one end of load bearing arm, and drivewheel is fixedly connected with motor, dead axle and driven pulley It is fixedly connected, dead axle is also fixedly connected with load bearing arm, and is located at the other end of load bearing arm, drivewheel and driven pulley are set to same Direction, Timing Belt is installed on drivewheel and driven pulley, is transported in the driving lower edge drivewheel of motor and the pitch circle of driven pulley Dynamic;Moving assembly includes the first guide rail, the first slide block, pressure zone plate, rebound, the first take-up housing, and the first guide rail hangs down along with motor Straight direction is fixedly installed on load bearing arm, and described first slide block is movably connected on the first guide rail, one end of the first take-up housing It is fixedly installed on the first slide block, the other end of the first take-up housing is fixedly connected with the first image acquiring device, and rebound is fixed It is arranged on the face of the first take-up housing vertical with the first slide block, pressure zone plate is pushed down solid with rebound after the Timing Belt of drive component Fixed connection, under the driving of drive component, the Timing Belt of drive component drives the first slide block and the first take-up housing to lead along first Rail moves to reach on positioning component;Positioning component includes moving parts and locating piece, and locating piece is arranged in the groove of load bearing arm, And locating piece is located between load bearing arm and guide rail, the one end side of locating piece is provided with boss, and boss is provided with arc positioning Groove;Moving parts include bearing, short axle, the second take-up housing, the second slide block, the second guide rail, spring, guide holder and major axis, guiding Seat is fixedly installed on the first take-up housing of moving assembly, and major axis passes through guide holder, spring and second take-up housing one end fixing even Connect, the second slide block is movably connected on the second guide rail, the second guide rail be fixedly installed in the first take-up housing on, the second take-up housing is solid Dingan County is loaded on the second slide block, and the other end of the second take-up housing is provided with described short axle, and short axle passes through bearing and the second take-up housing Be fixedly connected, when drive component drives moving assembly to move on locating piece along the first guide rail of drive component, by short axle, Second take-up housing, the second slide block, the second guide rail, the cooperation of spring, guide holder and major axis are so that the bearing of moving parts is with elasticity Mode snaps in the arc positioning groove of locating piece, and then stops the first take-up housing motion being provided with the first image acquiring device.
4. a kind of stitch welding machine it is characterised in that: include frame, conveying guiding mechanism, Welding quality test device, welding quality examine Surveying device and conveying guiding mechanism is arranged in frame, and convey guiding mechanism is located at below Welding quality test device, conveying Guiding mechanism is used for conveying battery strings to Welding quality test device, and Welding quality test device is used for the weldering to battery strings Band and convergent belt welding quality carry out real-time detection, to identify welding and convergent belt whether rosin joint;Welding quality test device bag Include the first harvester, welding quality analysis module, the first harvester includes the first fixed seat, the first characteristics of image strengthens dress Put, the first pedestal, the first image acquiring device, the second pedestal, by the first fixed seat by Welding quality test device and stitch welding The frame of machine is relatively fixed;First pedestal and the second pedestal are installed in the first fixed seat, and the first fixed seat is also fixed with frame Connect, the first characteristics of image intensifier and the first image acquiring device is corresponding respectively is arranged on the first pedestal and the second pedestal On, the first characteristics of image intensifier is used for making the feature bonding wire that welding is formed with convergent belt seam crossing brighten, and the first image obtains Take device to be used for acquisition and record the battery strings picture having feature bonding wire, and the battery strings picture of acquisition is supplied to welding quality and divide Analysis module, welding quality analysis module obtains corresponding feature bonding wire value according to the feature bonding wire in battery strings picture, welds matter Amount analysis module judges that the feature bonding wire brightness value obtaining, whether in the feature bonding wire range of luminance values prestoring, is being judged to obtain When the feature bonding wire value obtaining is in the feature bonding wire range of luminance values prestoring, determine that welding is full with convergent belt firm welding.
5. stitch welding machine as claimed in claim 4 it is characterised in that: the first harvester assembly junction box end in stitch welding machine Position, the second pedestal includes support arm, load bearing arm and mobile positioning mechanism, and one end of support arm is fixing with the first fixed seat even Connect, the other end of support arm is fixedly connected with load bearing arm, and mobile positioning mechanism is connected with load bearing arm, mobile positioning mechanism is also with One image acquiring device is fixedly connected, and mobile positioning mechanism drives the first image acquiring device motion, so that the first Image Acquisition The camera lens of device and battery strings have the region of feature bonding wire just pair when, the camera lens of the first image acquiring device does not quiver Dynamic;Mobile positioning mechanism includes drive component, moving assembly, positioning component;Drive component, moving assembly, positioning component are fixed On load bearing arm, the mobile terminal of moving assembly is fixedly connected with the first image acquiring device, the outfan of drive component and movement The mobile terminal of assembly connects, and positioning component is connected with moving assembly, drive component driving moving assembly the first image is installed When the mobile terminal of acquisition device reaches on positioning component, positioning component makes mobile terminal stop motion, is obtained with realizing the first image The camera lens taking device does not tremble.
6. stitch welding machine as claimed in claim 5 it is characterised in that: drive component include motor, drivewheel, driven pulley, dead axle, Timing Belt, motor is fixedly installed on one end of load bearing arm, and drivewheel is fixedly connected with motor, and dead axle is fixedly connected with driven pulley, Dead axle is also fixedly connected with load bearing arm, and is located at the other end of load bearing arm, and drivewheel and driven pulley are set to same direction, synchronous Band is installed on drivewheel and driven pulley, is moved in the driving lower edge drivewheel of motor and the pitch circle of driven pulley;Mobile group Part includes the first guide rail, the first slide block, pressure zone plate, rebound, the first take-up housing, and the first guide rail is solid along the direction vertical with motor Dingan County is loaded on load bearing arm, and described first slide block is movably connected on the first guide rail, and one end of the first take-up housing is fixedly installed in On first slide block, the other end of the first take-up housing is fixedly connected with the first image acquiring device, and rebound is fixedly mounted on and the On the vertical face of the first take-up housing of one slide block, pressure zone plate is fixedly connected with rebound after pushing down the Timing Belt of drive component, Under the driving of drive component, the Timing Belt of drive component drives the first slide block and the first take-up housing to move to reach along the first guide rail On positioning component;Positioning component includes moving parts and locating piece, and locating piece is arranged in the groove of load bearing arm, and locating piece position Between load bearing arm and guide rail, the one end side of locating piece is provided with boss, and boss is provided with arc positioning groove;Moving parts Including bearing, short axle, the second take-up housing, the second slide block, the second guide rail, spring, guide holder and major axis, guide holder is fixedly installed in On first take-up housing of moving assembly, major axis passes through guide holder, spring to be fixedly connected with second take-up housing one end, and the second slide block is lived Be dynamically connected on the second guide rail, the second guide rail be fixedly installed in the first take-up housing on, the second take-up housing is fixedly installed in second On slide block, the other end of the second take-up housing is provided with described short axle, and short axle is fixedly connected through bearing with the second take-up housing, works as drive Dynamic assembly drive moving assembly along the first guide rail of drive component move on locating piece when, by short axle, the second take-up housing, the Two slide blocks, the second guide rail, the cooperation of spring, guide holder and major axis are so that the bearing of moving parts snaps in positioning with elastic type In the arc positioning groove of block, and then stop the first take-up housing motion being provided with the first image acquiring device.
7. stitch welding machine as claimed in claim 4 it is characterised in that: the first characteristics of image intensifier includes three pairs of light sources, The quantity of one pedestal is corresponding with the quantity of light source, and the light source in three pairs of light sources is by corresponding first pedestal and the first fixed seat It is fixedly connected, two light sources of first pair of light source in the middle of the first fixed seat are disposed opposite to each other, two light of first pair of light source The angle that the light beam in source projects is identical;Relatively, second is right for two light sources of second pair of light source positioned at the two ends of the first fixed seat The angle that the light beam of two light sources of light source projects is identical;In the middle of first pair of light source, the light source of second pair of light source the 3rd Relative to two light sources of light source, the angle that the light beam of two light sources of the 3rd pair of light source projects is identical;And each pair light source and phase A pair of adjacent light source is not arranged on the same straight line, and the angle that the light beam of the light source in first pair of light source projects is more than second pair of light source In light source the angle that projects of light beam, the angle that the light beam of the light source in second pair of light source projects is less than in the 3rd pair of light source The angle that the light beam of light source projects.
8. the stitch welding machine as described in claim 4 or 5 it is characterised in that: Welding quality test device also include second collection dress Put, the second harvester assembly in stitch welding machine non-rosette end position, the second harvester include the second fixed seat, second Characteristics of image intensifier, the 3rd pedestal, the second image acquiring device, the 4th pedestal, are gathered second by the second fixed seat Device is relatively fixed with the frame of stitch welding machine;3rd pedestal and the 4th pedestal are installed in the second fixed seat, the second characteristics of image Intensifier and the second image acquiring device is corresponding respectively is arranged on the 3rd pedestal and the 4th pedestal, the second characteristics of image increases Intensity device is used for making the feature bonding wire that welding is formed with convergent belt seam crossing brighten, and the second image acquiring device is used for obtaining record There is the battery strings picture of feature bonding wire, and the battery strings picture of acquisition is supplied to welding quality analysis module.
9. stitch welding machine as claimed in claim 8 it is characterised in that: the second characteristics of image intensifier includes three pairs of light sources, The quantity of three pedestals is corresponding with the quantity of light source, and the light source in three pairs of light sources is by corresponding 3rd pedestal and the second fixed seat It is fixedly connected, two light sources of first pair of light source in the middle of the second fixed seat are disposed opposite to each other, two light of first pair of light source The angle that the light beam in source projects is identical;Relatively, second is right for two light sources of second pair of light source positioned at the two ends of the second fixed seat The angle that the light beam of two light sources of light source projects is identical;In the middle of first pair of light source, the light source of second pair of light source the 3rd Relative to two light sources of light source, the angle that the light beam of two light sources of the 3rd pair of light source projects is identical;And each pair light source and phase A pair of adjacent light source is not arranged on the same straight line, and the angle that the light beam of the light source in first pair of light source projects is more than second pair of light source In light source the angle that projects of light beam, the angle that the light beam of the light source in second pair of light source projects is less than the 3rd the second light source In light source light beam project angle.
10. a kind of welding quality detection method, comprises the following steps: sprays and helps weldering in the welding of battery strings to be welded, convergent belt Agent, make welding with the welding that confluxes after, form feature bonding wire in the seam crossing of welding and convergent belt;
Brightened with the feature bonding wire that illumination form makes formation;
Obtaining record has the battery strings picture of feature bonding wire;
Corresponding feature bonding wire brightness value is obtained according to the feature bonding wire in battery strings picture, judges the feature bonding wire brightness obtaining Whether value is in the feature bonding wire range of luminance values prestoring;
When judging that the feature bonding wire brightness value obtaining is in the feature bonding wire range of luminance values prestoring, determine welding and conflux Welding is firmly full.
CN201610938254.7A 2016-10-25 2016-10-25 Welding quality test device and method and stitch welding machine Active CN106363318B (en)

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CN106971965A (en) * 2017-03-29 2017-07-21 无锡市正罡自动化设备有限公司 Component battery strings and conflux welding detent mechanism and method and stitch welding machine
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