CN105583483A - Automatic detecting and maintaining device for welding spot faults of circuit board - Google Patents
Automatic detecting and maintaining device for welding spot faults of circuit board Download PDFInfo
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- CN105583483A CN105583483A CN201410636043.9A CN201410636043A CN105583483A CN 105583483 A CN105583483 A CN 105583483A CN 201410636043 A CN201410636043 A CN 201410636043A CN 105583483 A CN105583483 A CN 105583483A
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Abstract
In order to solve the problems that an existing welding spot detecting and maintaining device is relatively complex, high in cost and relatively complicated in detecting and maintaining process, and manual intervention is still needed, the invention provides an automatic detecting and maintaining device for welding spot faults of a circuit board. The device comprises a rack, a visual detecting assembly, a welding maintaining assembly and an electric control assembly; a working table for containing the circuit board is arranged on the rack; the electric control assembly, the visual detecting assembly and the welding maintaining assembly are all mounted on the rack; the visual detecting assembly is used for carrying out welding spot fault detecting on the circuit board on the working table; the welding maintaining assembly comprises a drive mechanism, a welding gun and an automatic tin wire feeding mechanism; and the welding gun and the automatic tin wire feeding mechanism are mounted on the drive mechanism. The automatic detecting and maintaining device is relatively concentrated in structure, small in occupied area and relatively low in cost. The automatic detecting and maintaining device can automatically complete the detecting and maintaining process of the welding spot faults, and manual intervention is not needed.
Description
Technical field
The present invention relates to wiring board welding point defect inspection and repair field.
Background technology
PCB (English full name: Printedcircuitboard, Chinese full name: printed circuit board, claims again printingCircuit board, printed substrate, be called for short wiring board or circuit board) it is in the process of making, as long as circuit boardOn mount (or claiming SMD) or plug connector elements, the stove that was just bound to carries out Reflow Soldering or wave-soldering, because ofSolder joint may exist empty weldering, and (pin that is element does not have scolding tin to be connected with the pad on circuit board, can make like thisBecome short circuit or loose contact, it is bad that resistance is excessive etc., has a strong impact on circuit performance), half weldering (is drawing of elementPad on pin and circuit board only has a small amount of scolding tin or a half-connection, can cause like this loose contact, resistance mistakeLarge etc. bad, have a strong impact on circuit performance), connect weldering (between the component pin that can not couple together, because of upperThe reasons such as tin is too much, have been coupled together by scolding tin, can cause like this circuit to be short-circuited) etc. failure welding lackFall into, therefore after stove, must do welding point defect and detect, and butt welding point is keeped in repair.
Original adoption manually carries out welding point defect detection, and the pedestrian's work of going forward side by side maintenance, adopts artificial mode to consumeTake in a large number manually, and efficiency is low, loss is high. For checking efficiency is provided, existing manufacturer production circuit at presentVision-based detection automated optical detection equipment (the English abbreviation: AOI, full name: AutomaticOptic of plateInspection), can detecting element and solder joint bad, common employing automatic visual inspection system was to it afterwardsCarry out defect inspection, equipment completes after detection, also to show, and by manually going maintenance, people on the one handThe mode that work detects maintenance has expended a large amount of artificial, and cannot ensure to weld repair quality, and exist to leak and repair,The shortcomings such as efficiency is low, the mode that simultaneously adopts manual detection to keep in repair, personnel's mobility is large, and wave-soldering furnaceAfter operating environment bad, recruitment is difficult, and the maintenance requirement employee of circuit board has good qualification and veryGood sense of responsibility, but personnel unstable causes cannot ensureing to weld repair quality, and stability is bad.
Also have in patent documentation and disclose the method that adopts solder joint robot to carry out solder joint reparation, it adopts onlineShape AOI detects the wiring board solder joint on production line, and manually its testing result is audited,After the wiring board of by robot, being come in its production line upper reaches again carry out automatic solder joint repair. Above-mentioned specialThe detection maintenance of equipment that profit does not provide it in document carries out concrete refinement, but according to its summary, known itsDetect maintenance process still relatively loaded down with trivial details, still need artificial intervention, its equipment that detects maintenance is relatively complicated,Floor space is large, and cost is higher.
Summary of the invention
The relatively complexity of equipment that detects maintenance for solving existing solder joint, cost is higher, detects maintenance process phaseTo loaded down with trivial details, still need the problem of manpower intervention, the invention provides a kind of wiring board welding point defect and automatically detect dimensionRepair device.
A kind of wiring board welding point defect provided by the invention detects maintenance unit automatically, comprises frame, vision inspectionSurvey assembly, welding maintenance assembly and electrically-controlled component;
Described frame is provided with the workbench of placing wiring board;
Described electrically-controlled component, described vision-based detection assembly and described welding maintenance assembly are all installed on described frameOn;
Described vision-based detection assembly is for carrying out welding point defect detection to the wiring board on workbench;
Described welding maintenance assembly comprises driving mechanism, welding gun and automatic tin-feeding silk mechanism; Described welding gun and instituteStating automatic tin-feeding silk mechanism is installed on described driving mechanism.
Adopt this wiring board weld defect provided by the invention automatically to detect maintenance unit, by vision-based detection assemblyBe incorporated in a device with welding maintenance assembly, first can replace artificial detection and maintenance, save in a large numberManpower, has ensured welding repair quality, can significantly reduce the effect personnel of this link, simultaneously because be automaticOperation, can guarantee the stability of repair quality. Secondly, can improving product quality, reduce fraction defective. Meanwhile,This structure that automatically detects maintenance unit is relatively concentrated, and floor space is little, and cost is relatively low, can pass throughThis automatically detects maintenance unit and automatically completes its detection maintenance process, without artificial intervention.
Preferably, described welding maintenance assembly also comprises location check camera and supporting light source.
Preferably, described driving mechanism comprises the first horizontal linearity motion assembly, rotary components and lifting assembly;Described lifting assembly is installed on described the first horizontal linearity motion assembly, described in described rotary components is installed onOn lifting assembly;
The rotating shaft that described rotary components comprises electric rotating machine and driven by this electric rotating machine;
Described welding gun is arranged on the rotating shaft of described electric rotating machine.
Preferably, between described welding gun and the rotating shaft of described rotary components, be also provided with a welding gun fixed mount.
Preferably, described frame is provided with the second horizontal linearity motion assembly; Described vision-based detection assembly is installedOn described the second horizontal linearity motion assembly.
Preferably, also comprise and send board component and go out board component;
The described board component that send is for serving workbench by the wiring board that needs maintenance and inspection;
Described go out board component for the wiring board of maintenance and inspection is taken out from workbench.
Preferably, described in, send board component and go out board component include the 3rd horizontal linearity motion assembly, cylinder andManipulator;
Described manipulator is installed on described cylinder, and described cylinder is installed on described the 3rd horizontal linearity exercise groupOn part.
Preferably, also comprise conveying assembly; Described workbench is installed on described conveying assembly.
Preferably, described conveying assembly comprises conveying, carries leading screw, transfer block and drive motors;
Described transfer block is installed on described conveying leading screw and described conveying; Described workbench is installed on instituteState in transfer block;
Described drive motors connects described conveying leading screw, drives described conveying leading screw to rotate; Described leading screw rotatesDrive described transfer block to slide on described leading screw and described guide rail.
Preferably, described welding maintenance assembly also comprises automatic detin mechanism; Described automatic detin mechanism comprisesInflatable body and useless molten tin bath;
Described inflatable body is for the residual scruff except on desoldering gun, and described useless molten tin bath is used for collecting described air blowingThe scruff that mechanism blows off.
Preferably, described electrically-controlled component comprises power module, industrial computer, electronic control module, display and inputEquipment;
Described power module provides power supply for each consuming parts;
Described display, input equipment and electronic control module are connected with described industrial computer;
Electronic control module described in described industrial computer control, the action of the each functional part of described electric control module controls.
Preferably, described frame is box typed structure; Wherein by a working top be divided into upper box andLower box;
Described industrial computer and input equipment are supporting to be arranged on outside described casing;
Described industrial computer, electronic control module and power supply are installed in described lower box, and described functional part is installed onIn described upper box.
Brief description of the drawings
Fig. 1 is that the wiring board welding point defect providing in the specific embodiment of the invention detects outside maintenance unit automaticallySee schematic diagram;
Fig. 2 is that the wiring board welding point defect providing in the specific embodiment of the invention detects in maintenance unit automaticallyPortion's structural representation;
Fig. 3 be in the specific embodiment of the invention, provide send board component schematic diagram;
Fig. 4 is a kind of concrete conveying assembly schematic diagram providing in the specific embodiment of the invention;
Fig. 5 is the welding maintenance assembly schematic diagram providing in the specific embodiment of the invention;
Fig. 6 is that the welding maintenance assembly providing in the specific embodiment of the invention removes outer cover schematic diagram.
Wherein, 1, frame; 2, send board component; 3, go out board component; 4, workbench; 5, welding helpdeskPart; 6, the second horizontal linearity motion assembly; 7, conveying assembly; C, display; K, input equipment; 11,Working top; 12, upper box; 13, lower box; 21, the 3rd slide block; 22, the 3rd guide rail; 23, gasCylinder; 24, manipulator; 25, horizontal arm; 26, vertical arm; 5a, installing plate; 50, the first horizontal linearityMotion assembly; 51, outer cover; 52, welding gun; 53, send tin fixed mount; 54, welding gun fixed mount; 55, joinCover light source; 56, coil feeder; 57, lifting assembly; 58, electric rotating machine; 59, send tin motor; L,Tin silk; 541, arc chute; 581, rotating shaft; 591, transfer roller.
Detailed description of the invention
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, withUnder by reference to the accompanying drawings and embodiment, the present invention is further elaborated. Should be appreciated that described hereinSpecific embodiment only in order to explain the present invention, be not intended to limit the present invention.
Embodiment
This example will automatically detect maintenance unit to wiring board welding point defect provided by the invention and carry out specific explanations and sayBright, as shown in Figure 1 and Figure 2, it comprises frame 1, vision-based detection assembly, welding maintenance assembly 5 and automatically controlledAssembly;
Described frame 1 is provided with the workbench 4 of placing wiring board;
Described electrically-controlled component, described vision-based detection assembly and described welding maintenance assembly 5 are all installed on described machineOn frame 1;
Described vision-based detection assembly is for carrying out welding point defect detection to the wiring board on workbench 4;
As shown in Figure 5, Figure 6, described welding maintenance assembly 5 comprises driving mechanism, welding gun 52 and automatically sendXi Si mechanism; Described welding gun 52 and described automatic tin-feeding silk mechanism are installed on described driving mechanism. This weldingMaintenance assembly 5 can, according to the unfavorable condition of solder joint, be adjusted position and the angle of welding automatically, keeps in repair,To be specifically described its internal structure below.
For making the follow-up the present invention that is more convenient for understanding, as shown in Figure 2, be provided with XYZ coordinate axle system, canWith reference to this XYZ coordinate axle system, the each locations of structures in device is explained.
Wherein, described welding maintenance assembly 5 also comprises location check camera (unmarked in figure) and supporting lightSource 55 (certainly, if light is enough, also can remove this supporting light source 55, generally this location check camera andThe integral piece that supporting light source 55 is complete configuration, can be directly obtains from buying on the market). This supporting light source 55Can be RGB three-color light source, also can adopt white light monochromatic source, or ultraviolet source. This location checkCamera adopts industrial line-scan digital camera or area array cameras, preferably adopts area array cameras. It is fixed to play on the one handThe effect of position, the welding point defect position of arriving according to vision-based detection component detection, enters by this location check cameraRow location, meanwhile, this location check camera can also carry out solder joint maintenance by welding gun in welding maintenance assembly 5After, the solder joint after its maintenance is checked. To guarantee its maintenance result.
Wherein, described electrically-controlled component comprises power module, industrial computer, electronic control module, display C and inputEquipment K; Certainly, can also comprise other the hardware such as relay, magnetic valve. This input equipment K comprisesKeyboard and mouse etc.
Described power module provides power supply for each consuming parts;
Described display C, input equipment K and electronic control module are connected with described industrial computer;
Electronic control module described in described industrial computer control, the action of the each functional part of described electric control module controls. ThisA little hardware components can have pro forma variation, as display C and input equipment K can be integrated into touch screen displayShow device, industrial computer is computer or the executive circuit replacement that adopts special research and development etc. Called function parts have referred toBecome to send accordingly the parts of the functions such as plate, ejecting plate, wiring board conveying, vision-based detection and welding maintenance. Automatically controlledThe action of the each functional part of module controls, accuses the action of making executive component in its functional part, carries out unitPart refers to be subject to this electric control module controls to carry out the device of relevant action, such as various motors, relay, magnetic valveDeng.
So-called consuming parts refers to respectively by electrically driven (operated) electronic device, such as above-mentioned industrial computer, electronic control module,The device of all use electric energy such as display C and input equipment K, various motor, magnetic valve, relay.
To carry out specific explanations explanation to its welding maintenance assembly below, wherein, as Fig. 1, Fig. 5, Fig. 6 instituteShow, the described driving mechanism in this example comprises the first horizontal linearity motion assembly 50, rotary components and lifting groupPart 57; Described lifting assembly 57 is installed on described the first horizontal linearity motion assembly 50, described rotation groupPart is installed on described lifting assembly 57;
The rotating shaft 581 that described rotary components comprises electric rotating machine 58 and driven by this electric rotating machine 58;
Described welding gun 52 is arranged on the rotating shaft 581 of described electric rotating machine.
Particularly, this first horizontal linearity motion assembly 50 comprises the first leading screw, the first guide rail, the first slide blockAnd first motor; Described the first leading screw is arranged on the output shaft of described the first motor; Described the first slide block peaceBe contained on described the first leading screw and described the first guide rail; Lifting assembly 57 and rotary components be all loaded on this firstOn slide block. This lifting assembly 57, rotary components, location check camera, supporting light source 55 and automatic in this exampleIt is upper that tin feeding wire mechanism is all installed on an installing plate 5a, and this installing plate 5a is fixed on the first slide block, therefore this peaceDress plate 5a also can regard a part for the first slide block as. Above-mentioned the first leading screw also can adopt belt to replace, byThe first motor drives belt, and belt drives the first slide block movement.
Above-mentioned the first horizontal linearity motion assembly 50 can realize welding gun and location check camera (comprises that it is supportingLight source 55) at the linear reciprocal movement of Y-direction, coordinate the conveying assembly 7 mentioned below X to linearity pastReciprocating cutter, can realize welding gun 52 with respect to the XY of wiring board to motion, to realize welding gun 52 at circuitThe accurate location of welding position on plate; It is reciprocal in the linearity of Z-direction that 57 of this lifting assemblies are realized its welding gun 52Motion (moving up and down), so that welding gun 52 carries out descending welding operation and up disengaging welding operation;This rotary components is realized rotatablely moving of welding gun 52, so that welding gun 52 obtains rational soldering angle, withAvoid the components and parts on wiring board.
Concrete, in this example, above-mentioned lifting assembly 57 comprises the motor that moves up and down, guide rail and upper and lower moves up and downMotion leading screw and as for guide rail and the slide block that moves up and down that moves up and down on leading screw of moving up and down; Described fortune up and downThe leading screw that moves up and down described in moving motor drives rotates, described in the slide block leading screw that moves up and down described in being subject to that moves up and down driveMoving, on the described guide rail that moves up and down, slide; Meanwhile, this leading screw that moves up and down also can replace with belt. AfterContinuous electric rotating machine is installed on this and moves up and down on slide block, to realize elevating movement and the rotation of follow-up welding gunMotion. Certainly, other can be realized and move up and down to drive the structure that welding gun 52 moves up and down all to can be used as liftingAssembly 57.
Further preferably, between described welding gun 52 and the rotating shaft 581 of described electric rotating machine 58, be also provided withWelding gun fixed mount 54, in this example, described welding gun fixed mount 54 is that an arc accessory (can be also other shapesWelding gun fixed mount 54); Described arc accessory is provided with arc chute 541, and described welding gun 52 is assemblied in instituteState in arc chute 541. Described welding gun 52 can be slided on arc chute 541, to regulate welding gun 52With respect to the angle of inclination (0-180 degree) of workbench 4.
This automatic tin-feeding silk mechanism specifically comprises coil feeder 56, send tin motor 59, transfer roller 591 and send tin solidDetermine frame 53; The described rotation of sending tin motor 59 to control described transfer roller 591, the rotating drive of described transfer roller 591Tin silk on coil feeder 56, to sending tin fixed mount 53 to carry, is realized the function of automatic tin-feeding silk L; Should be certainlyMoving tin feeding wire mechanism can be by sending tin motor 29 to control real-time speed regulating. This send tin fixed mount 53 directly to installOn this welding gun 52, support the use with welding gun 52. Above-mentioned coil feeder is the releasable tin silk of rolling, onStating transfer roller is 2 rollers that are oppositely arranged, and can one of them be set to motor-driven drive roll, anotherThe individual driven voller that is made as, also can two be all arranged to drive roll.
In this example, be also provided with an outer cover 51 by electric rotating machine 58 and lifting assembly 57 etc. a part component cover at itIn.
Below the course of work of welding helpdesk part 5 is briefly described, pcb board is sent to welding maintenanceAfter station, bad some position arriving according to vision-based detection component detection and the information of negative characteristics, welding gun 52 canUnder electric rotating machine 58 drives, do the rotation of certain angle, keep in repair with best angle guaranteeing, upper and lowerMotion motor drives welding gun 52 Z-directions to move up and down, and the assembly 5 of welding maintenance is simultaneously in this first level fortuneUnder the drive of moving linear modules, do Y-direction motion, circuit board is X to motion, like this under workbench 4 drivesWelding gun 52 can keep in repair any one solder joint on circuit board, and location check camera can capture circuit before maintenanceThe location drawing of plate looks like to position, and also can after maintenance, take pictures to maintenance effect, for industrial computer does simultaneouslyVisual analysis provides image source.
As shown in Figure 1, in figure, can find out, this frame 1 provides a protecting sheathing, makes its outside formationBox typed structure; This box typed structure is cube structure (non-totally-enclosed), and it comprises support body and is fixed on frameOutline plate on body, this support body is structural member carrying main body, is the frame structure of cube formula, adopts metal materialMaterial connects the metal materials such as (comprising welding, screw connection etc.) forms, and the material of frame 1 is steel plate. CanPrevent that the wiring board welding point defect that this example provides from detecting maintenance unit automatically in running, people sends out for enteringMake trouble former.
It is divided into upper box 12 and lower box 13 by a working top 11; Be the upper of working top 11Portion is upper box 12, and the bottom of working top 11 is lower box 13;
Described industrial computer and input equipment K are supporting to be arranged on outside described casing;
Described industrial computer, electronic control module and power supply are installed in described lower box 13, and described functional part is installedIn described upper box 12.
Above-mentioned functions parts comprise the plate that send of vision-based detection assembly, welding maintenance assembly 5 and follow-up concrete introductionAssembly 2, go out board component 3, conveying assembly 7 etc.; Simply, in the upper box 12 on working top 11Be used for installation function parts, and power supply and control (comprising this industrial computer and electronic control module) are all arranged on nowelIn body 13, like this, its arrangement space is more reasonable, and desktop is more succinct.
Wherein, described vision-based detection assembly comprises detection camera and supporting light source. This supporting light source can be RGBThree-color light source, also can adopt white light monochromatic source, or ultraviolet source. This detection camera can adopt lineArray camera (also can adopt area array cameras), preferably adopts line-scan digital camera, and this detection camera adopts industrial lens,Can guarantee good imaging effect. The main effect of vision-based detection assembly has been the vision-based detection to circuit boardAnd analysis, flame and the co-ordinate position information etc. of acquisition elements on circuit board and solder joint, industrial computer collectionAfter these information, control welding machine maintenance assembly and enter automatic maintenance activity.
Wherein, this vision-based detection assembly can be fixed in frame 1, is the parts of irremovable formula, and incite somebody to actionThe workbench 4 of fixed in position wiring board is set to portable parts, can be at X such as workbench 4 is made asTo the parts of, Y-direction motion, and vision-based detection assembly is maintained static; Also can make workbench 4 realize X toOr the motion of Y-direction, and make vision-based detection assembly realize corresponding Y-direction or X to motion; Also canFor portable mode, such as, frame 1 described in this example is provided with the second horizontal linearity motion assembly 6;Described vision-based detection assembly is arranged on described the second horizontal linearity motion assembly 6. This second horizontal linearity fortuneMoving assembly 6 can be realized the motion of Y-direction, thereby drives vision-based detection assembly to realize the motion of Y-direction. RealizeTo the Y-direction scanning of wiring board.
Concrete, this second horizontal linearity motion assembly 6 comprises the second guide rail, the second leading screw, the second slide blockAnd second motor; Described the second leading screw is arranged on the output shaft of described the second motor; Described the second slide block peaceBe contained on described the second leading screw and described the second guide rail; Described vision-based detection assembly is installed on described the second slide blockOn. This second leading screw also can adopt belt to replace, and drives belt by the second motor, and belt drives second to slidePiece motion.
About the sending into and sending of wiring board, can adopt manually the mode of sending into, sending, also can be by establishingPut and send board component 2 and go out board component 3; Realize the function of automatically sending into and automatically sending. The described board component 2 that sendFor the wiring board that needs maintenance and inspection is served to workbench 4; Be responsible for sending into from the outside acquisition cuicuit plate of casingBox house, described in go out board component 3 for the wiring board of maintenance and inspection is taken out from workbench 4; NegativeDuty is sent casing outside from box house acquisition cuicuit plate, only sends into and send as contrary motion due to above-mentionedProcess, therefore it send board component 2 and goes out board component 3 and can adopt identical structure. Concrete, above-mentioned sendingBoard component 2, go out on the working top 11 that board component 3 is fixed on frame 1, lay respectively at the defeated of subsequent descriptionsThe end positions top of sending component 7.
Wherein, as shown in Figure 3, to send board component 2 as example, send board component 2 Hes described in described in this exampleGo out board component 3 and include the 3rd horizontal linearity motion assembly, cylinder 23 and manipulator 24; Described the 3rd levelLinear movement assembly comprises the 3rd guide rail 22, the 3rd slide block 21, the 3rd belt (what use in figure is exactly belt)And the 3rd motor;
Described the 3rd belt is arranged on the output shaft of described the 3rd motor; Described the 3rd slide block 21 is arranged on instituteState on the 3rd belt and described the 3rd guide rail 22; Described cylinder 23 is installed on described the 3rd slide block 21; OnState the 3rd belt and also can adopt screw mandrel to replace, drive screw mandrel by the 3rd motor, screw mandrel drives the 3rd slide block 21Motion.
Described manipulator 24 is installed on described cylinder 23. Concrete, in this example, cylinder 23 is vertical by oneArm 26 and a horizontal arm 25 are arranged on the 3rd slide block 21.
When action, its 3rd motor drives the 3rd belt to rotate, and then drives the 3rd slide block on the 3rd belt21 slide on the 3rd guide rail 22; The 3rd cylinder being arranged on the 3rd slide block 21 drives this manipulator 24Motion, the mode that this manipulator 24 is got plate is that contact is got plate, this manipulator 24 by vacsorb orFixture captures this wiring board. In this example, this manipulator 24 is drawn this wiring board by the mode of vacsorb. ToolBody, this manipulator 24 is a plate-like piece, and some suckers are installed on it, realizes line by this suckerThe function of road plate vacsorb.
As mentioned above, this workbench 4 can be arranged on to fixed position, irremovable, also can be by this workMake platform 4 and be arranged to movably mode, as Figure 1 and Figure 4, such as being arranged to, also comprise for by workMake the conveying assembly 7 of platform 4 from checking that station is carried to maintenance station; Described workbench 4 is installed on described conveyingOn assembly 7. Conveying assembly 7 is fixed on the working top 11 of frame 1 of equipment, send board component 2 to captureAfter circuit board, be put on the workbench 4 being placed on conveying assembly 7, conveying assembly 7 is successively delivered to circuit boardVision-based detection station, keeps in repair station and gets plate station, the conveying operation of completing circuit plate.
Conveying assembly 7 is used for transmission circuit plate, and the mode of conveying assembly 7 includes but not limited to Belt Conveying,Hold the orbit transports of circuit board side, and moving bolster 4 carries etc., in this example, adopt portable workMake platform 4 as conveying assembly 7, on this moving bolster 4, have detent mechanism (as alignment pin, gulde edge etc.),Workbench 4 drive circuit board in a certain direction (as shown in Figure 2, in this example give along X to) motion, completeBecome the position conversion between multiple stations such as detection, welding.
Wherein, so-called moving bolster 4 fingers in this example: described conveying assembly 7 comprise conveying,Carry leading screw, transfer block and drive motors;
Described transfer block is installed on described conveying leading screw and described conveying; Described workbench 4 is installed onIn described transfer block;
Described drive motors connects described conveying leading screw, drives described conveying leading screw to rotate; Described leading screw rotatesDrive described transfer block to slide on described conveying leading screw and described conveying. As shown in Figure 4, in this exampleConveying comprise left and right arrange two conveyings, carry leading screw be arranged between two conveyings;After this workbench 4 is arranged in so-called transfer block, can on described conveying, slide.
As the mode of preferred enforcement, described welding maintenance assembly 5 also comprises automatic detin mechanism; Described fromMove detin mechanism and comprise inflatable body and useless molten tin bath;
Described inflatable body is for the residual scruff except on desoldering gun, and described useless molten tin bath is used for collecting described air blowingThe scruff that mechanism blows off. This inflatable body adopts high pressure draught mode, the residual scruff on welding gun can be blown off,Useless molten tin bath is collected the residual scruff blowing off.
As preferred embodiment, described frame 1 is provided with plural conveying assembly 7, each described inDescribed workbench 4 is all installed on conveying assembly 7.
As preferred embodiment, can also increase streamline outward at casing, this streamline can pass through willNeed the wiring board that detects, keeps in repair to be delivered to manipulator 24 belows of sending board component 2. Also can pass through ejecting plateAssembly 3 is delivered to the wiring board detecting after maintenance on streamline, sends into wiring board make work by this streamlineIn the next process of skill, process.
Send after board component 2 acquisition cuicuit plates, circuit board is placed on workbench 4, conveying assembly 7 drivesWorkbench 4 moves to vision-based detection station, and vision-based detection station enters circuit board in the instruction according to industrial computerLine scanning is taken pictures, and the image of acquisition is passed in industrial computer and analyzed, and obtains bad element after industrial computer analysisOr the information such as phenomenon and position coordinates of solder joint, and these information are passed to welding maintenance assembly 5, complete visionAfter detection, it is mobile that conveying assembly 7 drives workbench 4 to continue, and circuit board is delivered to welding maintenance station, welderingConnect the flame that maintenance system is obtained according to vision detection system, circuit board carried out to automatic maintenance activity,Comprise half weldering, empty weldering add tin, connect the automatic disconnection (unnecessary scolding tin between the weldering of the company of elimination) of weldering etc., dimensionAfter having repaiied, conveying assembly 7 continues circuit board to deliver to gets plate station, gets board component circuit board is captured and sentAuto levelizer outside, maintenance activity is welded in the automatic detection that so far completes whole circuit board.
Adopt this wiring board weld defect provided by the invention automatically to detect maintenance unit, by vision-based detection assemblyBe incorporated in a device with welding maintenance assembly 5, first can replace artificial detection and maintenance, great Liang JieAbout manpower, has ensured welding repair quality, can significantly reduce the effect personnel of this link, simultaneously because be certainlyAction industry, can guarantee the stability of repair quality. Secondly, can improving product quality, reduce fraction defective. WithTime, this structure that automatically detects maintenance unit is relatively concentrated, and floor space is little, and cost is relatively low, canAutomatically complete its detection maintenance process by this automatic maintenance unit that detects, without artificial intervention.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, not all at thisAny amendment of doing within bright spirit and principle, be equal to and replace and improvement etc., all should be included in the present inventionProtection domain within.
Claims (12)
1. wiring board welding point defect detects a maintenance unit automatically, it is characterized in that, comprises frame, looksFeel detection components, welding maintenance assembly and electrically-controlled component;
Described frame is provided with the workbench of placing wiring board;
Described electrically-controlled component, described vision-based detection assembly and described welding maintenance assembly are all installed on described machineOn frame;
Described vision-based detection assembly is for carrying out welding point defect detection to the wiring board on workbench;
Described welding maintenance assembly comprises driving mechanism, welding gun and automatic tin-feeding silk mechanism; Described welding gun andDescribed automatic tin-feeding silk mechanism is installed on described driving mechanism.
2. wiring board welding point defect according to claim 1 detects maintenance unit automatically, and its feature existsIn, described welding maintenance assembly can comprise location check camera and supporting light source.
3. wiring board welding point defect according to claim 2 detects maintenance unit automatically, and its feature existsIn, described driving mechanism comprises the first horizontal linearity motion assembly, rotary components and lifting assembly; DescribedLifting assembly is installed on described the first horizontal linearity motion assembly, and described rotary components is installed on described literCome down to a lower group on part;
The rotating shaft that described rotary components comprises electric rotating machine and driven by this electric rotating machine;
Described welding gun is arranged on the rotating shaft of described electric rotating machine.
4. wiring board welding point defect according to claim 3 detects maintenance unit automatically, and its feature existsIn, between described welding gun and the rotating shaft of described rotary components, be provided with welding gun fixed mount.
5. wiring board welding point defect according to claim 4 detects maintenance unit automatically, and its feature existsIn, described frame is provided with the second horizontal linearity motion assembly; Described in described vision-based detection assembly is arranged onOn the second horizontal linearity motion assembly.
6. wiring board welding point defect according to claim 5 detects maintenance unit automatically, and its feature existsIn, also comprise and send board component and go out board component;
The described board component that send is for serving workbench by the wiring board that needs maintenance and inspection;
Described go out board component for the wiring board of maintenance and inspection is taken out from workbench.
7. wiring board welding point defect according to claim 6 detects maintenance unit automatically, and its feature existsIn, described in send board component and go out board component and include the 3rd horizontal linearity motion assembly, cylinder and manipulator;
Described manipulator is installed on described cylinder, and described cylinder is installed on described the 3rd horizontal linearity motionOn assembly.
8. wiring board welding point defect according to claim 7 detects maintenance unit automatically, and its feature existsIn, also comprise conveying assembly; Described workbench is installed on described conveying assembly.
9. wiring board welding point defect according to claim 8 detects maintenance unit automatically, and its feature existsIn, described conveying assembly comprises conveying, carries leading screw, transfer block and drive motors;
Described transfer block is installed on described conveying leading screw and described conveying; Described workbench is installed onIn described transfer block;
Described drive motors connects described conveying leading screw, drives described conveying leading screw to rotate; Described leading screw turnsThe described transfer block of moving drive is slided on described leading screw and described guide rail.
10. wiring board welding point defect according to claim 9 detects maintenance unit automatically, its featureBe, described welding maintenance assembly also comprises automatic detin mechanism; Described automatic detin mechanism comprises air blowingMechanism and useless molten tin bath;
Described inflatable body, for the residual scruff except on desoldering gun, blows described in described useless molten tin bath is used for collectingThe scruff that mechanism of qi structure blows off.
11. wiring board welding point defects according to claim 12 detect maintenance unit, its feature automaticallyBe, described electrically-controlled component comprises power module, industrial computer, electronic control module, display and input equipment;
Described power module provides power supply for each consuming parts;
Described display, input equipment and electronic control module are connected with described industrial computer;
Electronic control module described in described industrial computer control, the action of the each functional part of described electric control module controls.
12. wiring board welding point defects according to claim 11 detect maintenance unit, its feature automaticallyBe, described frame is box typed structure; Wherein be divided into upper box and nowel by a working topBody;
Described input equipment is supporting to be arranged on outside described casing;
Described industrial computer, electronic control module and power supply are installed in described lower box, and described functional part is installedIn described upper box.
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| CN106771978A (en) * | 2016-12-30 | 2017-05-31 | 昆山元茂电子科技有限公司 | Multistation circuit board detecting system and detection method |
| CN106771971A (en) * | 2016-12-28 | 2017-05-31 | 临海市劳尔机械有限公司 | A kind of line conduction automatic detection device of wiring board |
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| CN108176676A (en) * | 2016-08-27 | 2018-06-19 | 江苏宏宝锻造股份有限公司 | A kind of device and its oil removing process of efficient removal connection rod of automobile engine surface liquid antirust oil |
| CN106312222B (en) * | 2016-10-26 | 2019-09-10 | 深圳市振华兴科技有限公司 | Online automatic detection welding set |
| CN106312222A (en) * | 2016-10-26 | 2017-01-11 | 深圳市振华兴科技有限公司 | On-line automatic detection electric welding device |
| CN106771971A (en) * | 2016-12-28 | 2017-05-31 | 临海市劳尔机械有限公司 | A kind of line conduction automatic detection device of wiring board |
| CN106771978A (en) * | 2016-12-30 | 2017-05-31 | 昆山元茂电子科技有限公司 | Multistation circuit board detecting system and detection method |
| CN107024479A (en) * | 2017-04-12 | 2017-08-08 | 东莞市吉洋自动化科技有限公司 | A kind of wave-soldering on-line checking machine and its detection method |
| CN107755847A (en) * | 2017-09-29 | 2018-03-06 | 深圳市阿拉玎光电自动化有限公司 | A kind of selective Wave-soldering device and welding method |
| CN108581114A (en) * | 2018-05-31 | 2018-09-28 | 深圳市阿拉玎光电自动化有限公司 | A kind of circuit board solder joint method for maintaining, device and system |
| CN108788495A (en) * | 2018-08-28 | 2018-11-13 | 陈浩 | A kind of quick cyclotomy method of numerical control laser cutter |
| CN109219261A (en) * | 2018-10-23 | 2019-01-15 | 奥蒂玛光学科技（深圳）有限公司 | The restorative procedure of circuit board automatic repariring equipment and circuit board |
| CN110133476A (en) * | 2019-05-14 | 2019-08-16 | 东莞和利诚智能科技有限公司 | A kind of flexible circuit board detection test fixture device |
| CN110280961A (en) * | 2019-07-04 | 2019-09-27 | 苏州镭恩自动化科技有限公司 | A kind of automatic welding equipment |
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| CN111370342A (en) * | 2020-02-14 | 2020-07-03 | 汪向丽 | Integrated circuit board detection tool that targets in place |
| CN111370342B (en) * | 2020-02-14 | 2023-05-05 | 北京上积电科技有限公司 | Integrated circuit board detection tool that targets in place |
| CN112108758A (en) * | 2020-10-14 | 2020-12-22 | 天津津航计算技术研究所 | Welding visual fault detection technical method for laser welding robot |
| CN112743189A (en) * | 2020-12-29 | 2021-05-04 | 深圳市韦德勋光电科技有限公司 | Maintenance device and method for breakdown short-circuit fault of LCD (liquid crystal display) logic board |
| CN112743189B (en) * | 2020-12-29 | 2022-05-13 | 深圳市韦德勋光电科技有限公司 | Maintenance device and method for breakdown short-circuit fault of LCD (liquid crystal display) logic board |
| CN113376168A (en) * | 2021-06-09 | 2021-09-10 | 深圳技术大学 | Overhaul integrated equipment |
| CN113368916A (en) * | 2021-07-15 | 2021-09-10 | 合肥市华达半导体有限公司 | Integrative platform of detection and maintenance suitable for 32 MCU chips |
| CN113695698A (en) * | 2021-08-09 | 2021-11-26 | 南京武挥物联科技有限公司 | Robot welding device for circuit board maintenance and welding method thereof |
| CN115087233A (en) * | 2022-05-09 | 2022-09-20 | 广东工业大学 | PCB circuit additive repairing system and method |
| CN115087233B (en) * | 2022-05-09 | 2023-06-13 | 广东工业大学 | PCB line additive repairing system and method |
| CN114646647A (en) * | 2022-05-23 | 2022-06-21 | 深圳市禾川兴科技有限公司 | Chip pin welding defect detector based on reduction performance |
| CN115223901A (en) * | 2022-09-15 | 2022-10-21 | 苏州长江睿芯电子科技有限公司 | Integrative platform of detection and maintenance suitable for MCU chip |
| CN115223901B (en) * | 2022-09-15 | 2022-11-22 | 苏州长江睿芯电子科技有限公司 | Integrative platform of detection and maintenance suitable for MCU chip |
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