The utility model content
In order to solve the problem that prior art exists, the utility model provides a kind of can produce two little pcb boards of piece, also can produce the plate feeding device of the big pcb board of monolithic, to enhance productivity.
In order to realize above purpose; The technical scheme of the utility model is following: a kind of LED chip mounter; Comprise single armed bull mounting device, drawing-in device and plate feeding device; Said single armed bull mounting device has two covers, and said plate feeding device is made up of two sections conveyer belt mechanisms, and said two cover single armed bull mounting devices and two sections conveyer belt mechanisms are provided with correspondingly.
Further, said single armed bull paster apparatus by X to the translating base assembly that moves, be installed in the transfer arm mechanism on the translating base assembly and be installed in the transfer arm mechanism and form to the mounting head assembly that moves at Y; Said translating base assembly comprise bearing, X to servomotor and X to screw mandrel, the middle part of said bearing is equipped with nut and its both sides are respectively arranged with slide block, X is connected with nut thread to screw mandrel, X rotates to the driven by servomotor screw mandrel; Said transfer arm mechanism is made up of to screw mandrel to servomotor, Y transfer arm, Y; The side of said transfer arm has concave groove and its downside is equipped with the support that is used to install suction nozzle flight CCD image pick-up device; To servomotor and its two chimbs are respectively arranged with Y to guide rail, Y rotates to screw mandrel to driven by servomotor Y at the middle installation Y of concave groove.
Said mounting head assembly comprises the mounting head support, is installed in many suction nozzles in the mounting head support; And drive Z that suction nozzle rises and descend to servomotor with drive R that the suction nozzle circumference rotates to stepping motor; Be provided with two slide blocks on the both sides of a side that mounts support and offer screw at the middle part of same side; In mounting support, be equipped with and mount a CCD image pick-up device, the said support that mounts is installed in the transfer arm mechanism.
Said chip mounter also comprises two X to guide rail, and said single armed bull paster apparatus realizes that to the guide rail socket whole X is to translation through the slide block and the X of translating base assembly holder both sides.
Said conveyer belt mechanism clamps cylinder and forms by moving guide rail, a side positioning reference plate and a side translation on two conveyer belts, both sides stepping motor, a side fixed side, a side shifting side plate, both sides fixed clamping plate, the both sides; The operation of step motor drive conveyer belt; Said fixed side, fixed clamping plate, on move guide rail and the positioning reference plate is formed the stiff end parts, on move guide rail fixed side be installed, fixed side is equipped with fixed clamping plate, and the positioning reference plate is set between fixed side and fixed clamping plate; Said mobile side plate, fixed clamping plate and on move set of rails and dress up the mobile terminal parts, on move guide rail mobile side plate be installed, mobile side plate is equipped with fixed clamping plate; Conveyer belt is between fixed side and the mobile side plate and be positioned at separately below the fixed clamping plate, the fixed clamping plate below of said mobile terminal parts and be provided with translation in the inboard of moving side plate and clamp cylinder.
Said mobile terminal parts are driven by Width adjusting mechanism, and said Width adjusting mechanism is made up of bearing, screw mandrel, track, the wide stepping motor of accent, driving pulley, active band and driven pulley; On the said bearing nut is installed, each is to connecting screw mandrel through nut between the bearing; Said screw mandrel one end is coaxially installed with driven pulley; Driven pulley connects driving pulley through initiatively being with, and driving pulley is installed on the stepping motor output shaft.
Said mobile terminal parts are driven by two cover Width adjusting mechanisms, and this two covers Width adjusting mechanism is realized synchronously through the synchronous pulley assembly; Said synchronous band assembly is made up of synchronous band and synchronous pulley, and synchronous pulley is through band connection synchronously; Said synchronous pulley is coaxial to be installed on the screw mandrel.
Said conveyer belt by on move clamp system and clamp, move on said clamp system by interior plate, active clamped plate, on move leg, on move top board and on move cylinder and form; Said interior plate by on move leg and support, active clamped plate is installed on the interior plate; Move on said leg by on move top plate supporting; Move top board on said by air cylinder driven.
The import department of said first section conveying mechanism is equipped with into plate inductor, and the exit of second section conveying mechanism is equipped with the ejecting plate inductor.
The end of said first section conveying mechanism and second section conveying mechanism all is equipped with block, and by air cylinder driven.
Compared with prior art; The utility model has increased a cover single armed bull paster apparatus and a cover conveyer belt mechanism; Not only can carry the pcb board of two block lengths less than the 750mm specification; Paster efficient is enhanced about more than once, and can also carry the pcb board of monolithic length greater than 750~1500mm specification, is applicable to that large-scale pcb board mounts production line.
Embodiment
As shown in Figure 1, the utility model LED chip mounter comprises that two cover single armed bull mounting devices 34, two overlap drawing-in devices 35 and two sections plate feeding devices 36 are formed.
As shown in Figure 2, two cover single armed bull paster apparatus 34 mainly are made up of to guide rail 4 and two cover suction nozzles flight CCD image pick-up devices 5 two cover mounting head assemblies 1, two groups of transfer arm mechanisms 2, two cover translating base assemblies 3, two X.One cover mounting head assembly, one group of transfer arm mechanism and a cover translating base component groups are dressed up single armed bull paster apparatus.
As shown in Figure 3, translating base assembly 3 is made up of to screw mandrel 8 and bearing pedestal 9 to servomotor 7, X bearing 6, X, is used for the installation and moving arm mechanism.The middle part of bearing 6 is equipped with feed screw nut 10, and X is connected with feed screw nut 10 to screw mandrel 8.X connects X to servomotor 7 to an end of screw mandrel 8, and the other end is installed in the bearing pedestal 9.The both sides of bearing 6 are separately installed with slide block 11.Slide block 11 and X are to guide rail 4 slip sockets.When X drives X when screw mandrel 8 rotates to servomotor 7, under the effect of helicitic texture, drive bearing 6 along X to guide rail 4 move left and right, thereby make transfer arm mechanism 2 realize that X are to moving (X to move be equivalent to left and right directions move).
Transfer arm mechanism 1 is made up of to screw mandrel 14 to servomotor 13, Y transfer arm 12, Y, makes the mounting head assembly realize that Y moved to (Y is equivalent to fore-and-aft direction to moving) thereby be used to install mounting head assembly 1.One side of transfer arm 12 offers concave groove 16, and an end is fixed with bearing pedestal 15 in the concave groove 16 of transfer arm, and this bearing pedestal 15 is installed Y to screw mandrel 14, and the other end is fixed with Y to servomotor 13 in the concave groove 16 of transfer arm 12.Y drives Y to servomotor 13 through shaft joint 17 and rotates to screw mandrel 14.Two chimbs of concave groove 16 are provided with Y respectively to guide rail 18.
Mounting head assembly 1 comprises mounting head support 19; Mounting head support 19 is provided with two suction nozzles 20; Suction nozzle 20 is driven and realization Z direction (the Z direction is equivalent to above-below direction) motion to servomotor 21 by Z; Simultaneously, suction nozzle 20 is driven and realization spinning campaign to (R is to being circumferencial direction) stepping motor 27 by R, adjusts the angle that mounts of LED electronic component with this.The both sides of one side of mounting head support 19 are provided with two slide blocks 22.
Mounting a CCD image pick-up device 33 is installed in the mounting head assembly 1.Slide block 22 and Y are to guide rail 18 mutual sheathing, and Y is connected with screw to screw mandrel 14.When Y when servomotor 13 drives Y to screw mandrel 14, under the effect of helicitic texture, drive the mounting head support and move forward and backward to guide rail, thereby make mounting head assembly 1 realize that Y is to moving along Y.
The downside of transfer arm 12 is equipped with the support 23 that is used to install two suction nozzle flight CCD image pick-up devices 5.Suction nozzle flight CCD image pick-up device 5 is made up of camera 24, camera lens 25 and light source 26.LED electronic component in the light source 26 irradiation suction nozzles photographed the LED electronic component photo of analysing clearly with auxiliary photo-taking by CCD.
Be provided with link plate 28 above the mounting head assembly 1, be used to install drag chain and use.The outer side edges of bearing 6 is provided with link plate 29 and crashproof sensor block 30, and its inner side edge is equipped with crashproof inductor 31.Transfer arm 12 all is equipped with initial point inductor 32 with mounting above the support 19.
The operation principle of both arms bull paster apparatus is following: earlier two PCB that are not coated with the silver slurry are a little carried out the manual work appointment through mounting a CCD image pick-up device to mounting on the pcb board; Obtain mounting coordinate in conjunction with computerized algorithm; Coordinate obtains the back and takes out the PCB be not coated with the silver slurry, after the pcb board that again two faces of mounting is scribbled the 750mm of silver slurry advances plate and puts in place.Start left side district pcb board and mount flow process, left side single armed bull paster apparatus starts, and Y draws the LED electronic component to the reach of driven by servomotor mounting head assembly in feed system; Two suction nozzles are accomplished the suction operation at Z under the driving of servomotor; Then move behind the mounting head assembly, after move past in the journey, suction nozzle can pass through suction nozzle flight CCD image pick-up device; The angle that obtains LED electronic component in the suction nozzle of taking pictures and X, Y offset data; Offset data is proofreaied and correct to stepping motor through R, final confirms accurately mounting a little of first suction nozzle and second suction nozzle respectively, then the mounting head assembly according to first suction nozzle mount a little after move on to the position; First suction nozzle decline is accomplished first LED electronic component and is mounted operation; After first suction nozzle mounted completion, the mounting head assembly moved into place according to mounting a little of second suction nozzle, and second suction nozzle decline is accomplished second LED electronic component and mounted operation.
In above-mentioned flow process, the angle of the LED electronic component in the suction nozzle is adjusted by stepping motor.By the side-play amount of computer software computing angle, and send and accuse the system instruction.
When first suction nozzle arrival of left side single armed bull paster apparatus mounts some, start the flow process that mounts of right district pcb board.Right district pcb board mounts flow process and a left side and distinguishes pcb board to mount flow process identical.
After second suction nozzle of the right single armed bull paster apparatus mounts completion, just accomplish both arms and mount operation.So circulation is repeatedly finally accomplished the task that mounts of two pcb boards.
Get when material mounting at every turn, need to confirm when time getting whether success (material is got at the material station) of material by computer software.Get material or get material, three unsuccessful computer alarms for the third time to getting the second time of expecting to get nowhere and carrying out for the first time.
As shown in Figure 4, plate feeding device 36 comprises that two sections conveyer belt mechanisms (first section conveyer belt mechanism 37 and second section conveyer belt mechanism 38), a cover Width adjusting mechanism composition and two put and move clamp system.Conveyer belt mechanism is used to carry pcb board, and Width adjusting mechanism is used to adjust conveyer belt mechanism width.
Like Fig. 4 to shown in Figure 6, conveyer belt mechanism respectively by stepping motor 39, conveyer belt 40, fixed side 41, move side plate 42, fixed clamping plate 43, on move guide rail 44, positioning reference plate 45 and translation and clamp cylinder 46 and form.Conveyer belt 40 is driven by stepping motor 39.Fixed side 41 wherein, fixed clamping plate 43, on move guide rail 44 and positioning reference plate 45 is assembled into the stiff end parts.But and move side plate 42, fixed clamping plate 43 and on move the mobile terminal parts that guide rail 44 is assembled into horizontal anomalous movement.Fixed clamping plate 43 be positioned at fixed side 41 or mobile side plate 42 above.Be provided with positioning reference plate 45 between the fixed side 41 of stiff end assembly and the fixed clamping plate 43.Translation clamps cylinder 46 and is positioned at the mobile terminal parts, is used for level and promotes pcb board 47 to conveyer belt mechanism medial movement, and being up to the standard clamps the purpose of pcb board.
As shown in Figure 4, Width adjusting mechanism by bearing 48, screw mandrel 49, transfer wide stepping motor 50, track 51, driving pulley 52, initiatively be with 53, driven pulley 54, synchronous pulley 55, counter wheel 56 and be with 57 to form synchronously.It is whole that bearing 48 carries conveyer belt mechanism.Transfer wide stepping motor 50 to drive driving pulley 52, an end of screw mandrel 49 is coaxially installed with driven pulley 54 and synchronous pulley 55.The nut thread assembling that is provided with on screw mandrel 49 and the bearing 48.Transfer when wide, transfer wide stepping motor 50 to start, drive driving pulley 52; Through initiatively being with 53 to drive driven pulley 54; Driven pulley 54 drives screw mandrel 49-1 and rotates, and simultaneously, driven pulley 54 drives coaxial synchronous pulley 55-1 and rotates; Synchronous pulley 55-1 is through be with 57 to drive synchronous pulley 55-2 synchronously, and synchronous pulley 55-2 drives screw mandrel 49-2 and rotates.The rotation of screw mandrel 49 has driven bearing 48 and has slided along track 51, thereby realizes transferring wide action.Between two synchronous pulleys 55, be provided with counter wheel 56, help regulating the elasticity of synchronous band.
As shown in Figure 6, on move clamp system by active clamped plate 58, interior plate 59, on move leg 60, on move top board 61, on move guide pillar 62 and on move cylinder 63 and form.Active clamped plate 58 is fixed on the interior plate 59; Interior plate 59 is fixed on and moves on the leg 60; On move leg 60 by on move top board 61 and support, on move top board 61 and be placed in and move guide pillar 62 and move up and down realizing, on move top board 61 by on move cylinder 63 and drive the power that moves up and down to realize.Interior plate 59 with on move guide rail 44 and be slidingly connected.