CN101168154A - Method and device for SMD device arrangement, separation and stack mounting - Google Patents
Method and device for SMD device arrangement, separation and stack mounting Download PDFInfo
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- CN101168154A CN101168154A CNA200710134027XA CN200710134027A CN101168154A CN 101168154 A CN101168154 A CN 101168154A CN A200710134027X A CNA200710134027X A CN A200710134027XA CN 200710134027 A CN200710134027 A CN 200710134027A CN 101168154 A CN101168154 A CN 101168154A
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Abstract
Disclosed is a method for arranging, selecting, and lapping SMD members: (1) after distinguishing front and back of disheveled members for testing by a spiral feeder, surfaces with electrodes are positioned upward, and arranged in order and transmitted to linear feeder. (2) Firstly to provide an image identification system at the station of the end of the linear feeder. The system distinguishes the polarity-directions of the surfaces with electrodes of the members for testing. (3) Then to provide a revolving station with 180 degrees. (4) Then to enter a rotary disk testing station. (5) To turn around a surface after testing, namely conducting turn-over to expose a working surface for marking, then to position the members into material cases with correspondingly parametric specification by feeder manipulators or place the members into installing cases by arranging in order. By relative circuit, testing parameters are transferred to computers which then confirm gear shifting of members for testing. The members for testing are positioned into material cases installing cases after arranging in order via feeder manipulators.
Description
Technical field
The present invention relates to a kind of method and apparatus of arrangement sorting closed assembly of method and apparatus, especially smd microminiature, ultrathin crystal, ceramic component and the related device of the SMD device being arranged the sorting closed assembly.
Background technology
Along with the fast development of electronic technology, increasing as the demand of the quartz-crystal resonator of basic device, ceramic resonator, and more and more go development towards the direction of miniaturization.From the original packing forms of the band terminal pin of 49U, the 49S of use in a large number, progressively to the transition of SMD (paster) form, and package dimension from 8 * 3.2 to 5 * 3.2 even littler.Existing sorting method of testing to quartz wafer and potsherd can not simply be diverted from one use to another in this.
The applicant had applied for that for example Chinese patent CN00240759.0 quartz wafer was located frequency measurement sorting unit, CN03278891.6 sheet type piezoelectric ceramic and the automatic locating test device of related device and CN200520076016.7 wafer separation device automatically to the automatic method and system of measuring of wafer.
Existing technology generally is that the SMD device is arranged on the surveying work platform, described platform is to adopt the disc platform, thereby having equally distributed some measurement stations in the circumferential edge zone of platform measures smd microminiature, ultrathin device, be provided with the rotatable platform of image recognition system and 180 degree thereon, polar orientation to device is differentiated, and the incorrect device of polarity is carried out the rotation in 180 degree orientation.The circumferential edge zone of platform has equally distributed some measurement stations to be measured the electrode plane of SMD device, and the signal that obtains is handled through delivering to behind the counter in the computer.After the result treatment of computer according to counting, device is sent in the magazine of setting.The camera that existing SMD device is arranged sorting unit image recognition system is in the below of the rotatable platforms of 180 degree, this method structural system complexity, image recognition success rate are low, thereby cause the False Rate height of whole system, quality can not guarantee that operating efficiency is low.
Device often has subsequent technique after measuring sorting, for example carries out laser marking at another side, and turn-over is promptly carried out on the plane of need turning round, and expose the mark working face, thereby guard electrode is drawn the plane, need have neat special-purpose mounting box.Existing technology does not possess superimposed mounting box, and this just needs frequent manual intervention, can influence the efficient of subsequent technique.
The SMD device generally all has 2～4 electrodes, electrode has polar orientation, and all electrodes all are on the pedestal of device, the another side of device generally all is pottery or Metal Packaging, therefore to test the SMD device, at first to discern the positive and negative of measured device and the polar orientation on device electrode plane, and the inconsistent device of polar orientation is turned to automatically, therefore need image recognition system and automatic steering system.To enter the mark operation owing to behind the device detection in addition, so after device detection was finished, all necessary pottery of all certified products or Metal Packaging were arranged in the specific pallet sequentially, so adopt turn-over rig that device is carried out turn-over up.Therefore how carrying out efficient quick also automatic accurate testing, sorting and closed assembly is crucial task.
Summary of the invention
The present invention seeks to: propose the method and apparatus that a kind of efficient and reliable SMD device is arranged the sorting closed assembly, realization device electrode in-plane is as one man arranged, when measuring the station measurement, the electrode plane of device is carried out the measurement of aspect of performance, carry out turn-over and adorn box after measuring sorting, a kind of method and apparatus of closed assembly is especially proposed, reach proper alignment and carry out closed assembly in order, improve the operating efficiency of equipment and satisfy the needs of subsequent technique.
The objective of the invention is to be achieved through the following technical solutions: the detection of SMD device and closed assembly method, after the process feeding screw carries out the positive and negative differentiation with device under test at random, after being arranged in order, its electrode plane delivers to straight line feeder up, and in the end station of straight line feeder, be provided with a station that device electrode planar polar direction is discerned earlier, the method adopts the image recognition processing method to carry out, be provided with one 180 degree rotary work station again, then carry out 180 degree rotations when current road recognition means electrode plane polar orientation is inconsistent; The disk that enters rotation is then measured station, the disk circumference edge regions has equally distributed 6-12 group station altogether, automatically and on the station finish measurement after the SMD device contacts in measurement station programme-control measurement electrode, measuring instrument is distinctive high-precision network tester and Insulation Resistance Tester, carry out insulaion resistance, the isoparametric test of frequency, electrode plane at device during measurement is measured, the plane of turning round behind the EOT, promptly carry out turn-over, expose the mark working face, its method is the manipulator that is provided with one 180 upset, this manipulator, is inserted device magazine or is arranged the mounting box of packing in order by the blowing manipulator then after pass to the blowing manipulator behind the 180 degree rotation back device turn-overs and hold from measuring station and holding device.
The present invention is provided with superimposed special-purpose mounting box, and the method and apparatus of closed assembly is as follows:
Existing rectangular tray whenever has only 24 row * 9 to be listed as the holding tank of equally distributed mask placement device.The blowing manipulator linear is transported to rectangular tray, will survey device and be placed on successively in order on the rectangular tray in the accumulator tank.By before and after two linear electric motors controls and the position of moving up and down, the every placement of device finishes a row to rectangular tray respectively, horizontal one step of motor operation; Device is whenever piled a rectangular tray, and motor vertical upwards moves a step, the pallet that more renews.The present invention is superimposed together many (generally being 2-8) rectangular tray, the superimposed process of rectangular tray is, after device is filled a rectangular tray, adopt the rectangular tray of the method stack dishful of automatic overlapping and assembling, being provided with the tray support frame of cylinder control and the cooperation of flexible guide pillar finishes, the tray support frame of cylinder control opens, and by the flexible guide pillar full rectangular tray of jack-up that makes progress, the tray support frame that cylinder is controlled during the in-position supports again; The rectangular tray that the bottom has then moved into.
Above-mentioned manipulator generally is to be made of a negative pressure suction nozzle with fixedly turning joint,
The method that blank panel enters can be after full box is released along a track, to move a blank panel according to this track again and enter.The method of blank panel in-position can also be the inverse process with the method stack dishful of above-mentioned automatic overlapping and assembling: the reduction guide pillar rises the rectangular tray picking-up of top lamination, the tray support frame of cylinder control opens, the reduction guide pillar slowly descends, when being in the lamination rectangular tray that the rectangular tray of below is positioned at the below of tray support frame, the tray support frame closure of cylinder control supports, and flexible guide pillar continuation slowly descends, and sylphon is placed the back also move in orbit.
The concrete device of closed assembly constitutes: casing, a 2-8 pallet, pallet locating support, flexible guide pillar, survey lid, motor etc. are as shown.
Characteristics of the present invention are: propose the method and apparatus that a kind of SMD device efficiently and is reliably arranged the sorting closed assembly, technology and device to the sorting of SMD device are optimized: provide that a kind of separation velocity is fast, an independent device turn-over station is understood, is provided with to the structure formation, the automatic overlapping and assembling of formation from sorting to device finished.Comprise differentiation, the especially proper alignment of the electrode plane polar orientation of device and carry out orderly closed assembly, the operating efficiency of equipment improves and satisfies the needs of subsequent technique, and the course of work is reliable, guarantees the reliability and the accuracy of whole arrangement sorting closed assembly.And guarantee to transport synchronously, detect synchronously and the sorting closed assembly synchronously, and can satisfy the requirement of plurality of specifications device.
Flow process: the differentiation of feeding screw and straight line feeder, SMD device polar orientation, to establish the image recognition system earlier and differentiate, rotatable platform, mechanical hand transportation, the device of establishing 180 degree again then carry out the rotation in 180 degree orientation thereon when offset is true.Use the disc platform, measure with micro module smd is slim thereby have equally distributed some measurement stations in the circumferential edge zone of platform; Turn round station, straight line that a plane carries out turn-over is transported to the superimposed station of station, rectangular tray of rectangular tray or many magazines
Advantage of the present invention also comprises: this device for mechanical transmission accuracy height, the automaticity height, easy to operate, adjust simple, adopting 2 PLC and a plurality of photoelectric sensor to carry out multiple spot detects and controls, accurate positioning, fault accuracy of judgement, discrimination height have been avoided producing stuck substantially or have been caused the generation of catastrophe failures such as measured device damage.System is according to the different mining modularized design of function, and different functions is designed to independent construction package, separately between each functional unit does not disturb mutually.Part of detecting adopts complete static mode, guarantees that test electrode reliably contacts with the measured device pad, has reduced the influence of distributed constant to test result, has improved measuring accuracy.Blowing partly adopts the special-purpose mounting box of closed assembly to deposit and surveys device simultaneously, and access is convenient, has both protected operating personnel's safety, has reduced again and has shut down the time of handling, and has improved running efficiency of system.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention
Fig. 2 is the feeding screw structural representation
Fig. 3 is linear feeding and visual discriminating gear, testing arrangement structural representation
Fig. 4 is the testing arrangement structural representation
Fig. 5 turn-over, discharging device structural representation
The special-purpose mounting box structural representation of Fig. 6
Feeding screw 1, straight line feeder 2, image recognition device 3,180 degree whirligigs 4, disk platform test device 5,180 degree turn-over rigs 6, defective work magazine 7, special-purpose mounting box 8, rectangular tray 9, blowing manipulator 10; Feeding base 1-1, monolithic are handled double-manipulator 13, straight line feeder 14, B/P EGR Back Pressure Transducer EGR 15,180 degree whirligigs 16, megger test device 17, lattice gauge testing arrangement 18, disk platform 19, the photoelectric sensor 20 of 1-2, feeding outlet 1-3, camera 11, light source 12, interlock; Device locating slot 21, suction sheet station 22, megger test station 23, lattice gauge test station 24.
The specific embodiment
As Figure 1-3, unordered SMD device at random is poured in the feeding screw, and feeding screw produces directional vibration measured device is carried out monolithic processing and ordered queue, discerns and adjust the positive and negative of device automatically, the device of adjusting is delivered to feeding outlet, the i.e. front end of straight line feeder.
When the B/P EGR Back Pressure Transducer EGR that is fixed on the straight line feeder end has been sensed the smd device, send the signal controlling straight line feeder by interface circuit and stop vibration, so just can eliminate the crowded sheet phenomenon that causes because of the straight line feeder feeding is too fast on the straight line feeder.The groove width of straight line feeder can be adjusted according to the size of device.B/P EGR Back Pressure Transducer EGR detects vacuum, and when reaching default vacuum, the control straight line feeder stops vibration.
Straight line feeder stops vibration, the computer control image recognition device is discerned the polarity of electrode direction of device, because the abstract characteristics of image of both positive and negative polarity can be identified, behind the end of identification, computer notice manipulator is carried to this device in 180 ° of whirligigs, straight line feeder vibration is simultaneously delivered to the image recognition position with next device and is discerned, 180 ° of whirligigs are according to the recognition result of image recognition device, determine whether to carry out 180 ° direction rotation to this device, 180 ° of whirligigs also are stations, by driven by motor carrying device turntable carry out 180 degree rotations; The manipulator carrying mechanism is carried to this device in the device locating slot of disk platform then, especially simultaneously the device of having discerned in the straight line feeder is carried in 180 ° of whirligigs.Disk platform rotation 45 degree wait for that carrying mechanism puts into subsequently pocket spare locating slot with next device, and then the disk platform rotates 45 degree again and waits for next device, and so forth.
Arrange to have three test station on the testing arrangement, and arrange, with 3 device locating slots on the corresponding index dial according to the calibration of 45 degree.When device under test is transported to the megger test station, test electrode presses down, with test after pad on the device reliably contacts, the notice test electrode rises behind the EOT, this moment, index dial can be transported to device next electric network test station, the notice test electrode presses down the test of carrying out the electric network performance, and the megger test station of front also begins next device is tested simultaneously.
Have equally distributed 8 groups of stations in the circumferential edge zone of index dial, wherein three is test station, and various parameters such as the insulaion resistance of smd device, frequency are measured.Each index dial is applicable to the device of 3 kinds of specifications.
Need before the sorting of different size device lattice gauge is carried out short circuit, load and open circuit calibration.Therefore, index dial is provided with short circuit calibration bits and load calibration bits, and when needing calibration, the notice index dial rotates to the electric network test station with corresponding calibration bits, and the network test electrode presses down with calibrating and can calibrate after station reliably contacts.Whether photoelectric sensor is in order to also have device not removed in the detection means locating slot.If detected device is removed, with regard to the reporting system stopping alarm.
180 degree turn-over rigs 31, defective work magazine 32, rectangular tray 33, special-purpose mounting box 34, holding tank 35, blowing manipulator 36 among Fig. 5,180 ° of turn-over mechanism are turned over turnback with the device that pad on the index dial makes progress, make its metal or ceramic package upwards, notify the blowing manipulator to pick up this device subsequently.If this device is certified products, the blowing manipulator is put into the holding tank of rectangular tray successively with it after picking up this device by vacuum cups.If defective work is then put into corresponding defective work magazine.Rectangular tray leaves in the special-purpose mounting box, and this machine is furnished with two special-purpose mounting boxs, and one is used for depositing empty pallet, and another is used for depositing the rectangular tray of having carried good devices.Take out the rectangular tray of a sky at every turn from special-purpose mounting box, and be with stepping forward by pallet travel mechanism, 24 row *, 9 a row device stores groove are arranged in the rectangular tray, whenever pile delegation, pallet travel mechanism just is being with rectangular tray stepping delegation forward.After piling 24 row, pallet travel mechanism moves into another special-purpose mounting box with rectangular tray, retracts then, gets next empty pallet in order to deposit device.
In the time of need getting empty pallet, the motor rotation also drives the rising of reduction guide pillar, the reduction guide pillar is with the rectangular tray jack-up in the casing, the pallet locating support is opened, the motor reverse rotation drives the reduction guide pillar and descends, when being in that the rectangular tray of below is positioned at the below of pallet locating support, the pallet locating support closes up, and the rectangular tray of top is held.The reduction guide pillar continues to descend, until this pallet is put into pallet travel mechanism.Alignment pin in the pallet travel mechanism ejects, and drives this rectangular tray and shifts out.
After piling device in the rectangular tray, pallet travel mechanism moves into this pallet in the special-purpose mounting box, and the notice storage trays.After having notice, motor rotation drives the reduction guide pillar and rises this pallet jack-up slightly, after touching with existing tray bottom, notice pallet locating support is opened, and motor continues rotation and drives the rising of reduction guide pillar, when all rectangular tray all are in pallet locating support top, the pallet locating support closes up, the motor reverse rotation, the reduction guide pillar descends, and rectangular tray is put on the pallet locating support.
Can deposit 2-8 rectangular tray in the special-purpose mounting box, fill (or getting sky) after, can directly special-purpose mounting box be taken away; after putting the special-purpose mounting box an of sky (or full) simultaneously; system just can continue operation, has reduced and has shut down the time of handling, and has improved running efficiency of system.
Open the side cover of special-purpose mounting box, rectangular tray wherein can be taken out, and put into empty rectangular tray with standby.
The inventive system comprises: delivery unit (circle vibrating device, flat vibrating device, the manipulator Handling device, 180 degree whirligigs, index dial test plate stage apparatus), image recognition processing unit (camera, light source), test cell (Insulation Resistance Tester, dedicated network instrument and the oscillating circuit of forming with measured device, can with the data processing section communication), data processing unit is (by data collecting card, computer is formed), control module (computer and PLC controller), blanking processing unit (180 degree turn-over rigs, the blowing robot device, defective work material stock box, rectangular tray, parts such as special-purpose mounting box are formed) constitute.
The course of work of the present invention is as follows: when sorting unit is started working, feeding screw carries out ordered queue with SMD device to be measured at random, discerns and adjust the positive and negative of device automatically, and the device of adjusting is delivered to the straight line feeder front end.Straight line feeder produces directional vibration, and the device formation of marshalling is carried to the image recognition position.The image recognition position is in the end of straight line feeder, when device is transported to this position, by vacuum cups hold fixing after, straight line feeder stops vibration immediately, this moment, camera was taken pictures, and picture transmission was carried out the identification of device electrode planar polar direction to computer.Simultaneously, double suction head mechanical arm action, one with device from straight-line groove end feed to 180 degree rotary work station, the other end is delivered to disk platform device locating slot with device from 180 degree rotary work stations.180 degree rotary work stations carry out the adjustment of invariant position or Rotate 180 degree according to the result of image recognition to the device that is sucked by suction nozzle before the double suction head mechanical arm.The disk platform drives the device displacement then, respectively to megger test station and the test of lattice gauge test station.The megger test station is made up of 4 test thimbles and special isolation resistance meter.The lattice gauge test station is made up of П network board that two thimbles are housed and high-accuracy network test card.Test parameter is delivered to computer by interlock circuit, determines that by computer this device belongs to qualified or non-certified products.The device that test is good continues to be displaced to the turn-over station with the disk platform, turns over mark plane to pottery or Metal Packaging through 180 degree turn-over rigs by electrode plane.The disk platform continues to be displaced to photoelectric sensor differentiation station then, if device is arranged, and system alarm, if no device, then the disk platform continues displacement, repeats above-mentioned suction sheet, test action.The blowing manipulator is started working simultaneously, and defective device is put into the corresponding magazine of 8 waste material boxes by the different parameters setting, good devices is put in order successively the holding tank of rectangular tray.When system alarm is broken down or magazine when having expired in operation.Repeat above-mentioned action.
Claims (5)
1.SMD device is arranged the method for sorting closed assembly, (1) after the process feeding screw carries out the positive and negative differentiation with device under test at random, after being arranged in order, its electrode plane delivers to straight line feeder up, it is characterized in that also passing through following steps: (2) are in the end station of straight line feeder, be provided with an image identification system earlier, polar orientation to the electrode plane of device under test is discerned, the method adopts the image recognition processing method to carry out, (3) be provided with one 180 degree rotary work station again, then carry out 180 degree rotations when current road recognition means electrode plane polar orientation is inconsistent; 180 degree rotations are by mechanical arm device under test to be removed to 180 degree rotary work stations, then carry out 180 degree rotations during the opposite polarity directions of current road recognition system discovery device; (4) disk that enters rotation is then measured station, and the disk circumference edge regions has equally distributed 6-12 group station, finishes measurement automatically with after device under test on the station contacts in measurement station programme-control measurement electrode; Electrode plane at device during measurement is measured, (5) plane of turning round behind the EOT, promptly carry out turn-over, expose the mark working face, its method is the manipulator that is provided with by individual 180 upsets, this manipulator, is inserted device the magazine of relevant parameter specification or is arranged the mounting box of packing in order by the blowing manipulator then after pass to the blowing manipulator behind the 180 degree rotation back device turn-overs and hold from measuring station and holding device; Test parameter is delivered to computer by interlock circuit, determines the gear of this device under test by computer, inserts magazine or manipulator is arranged the mounting box of packing in order with device under test by the blowing manipulator.
2. SMD device according to claim 1 is arranged the method for sorting closed assembly, it is characterized in that before the blowing manipulator, being provided with one and surveyed device turn-over station, its method is the manipulator that is provided with one 180 upset, this manipulator holds from the turn-over station and surveys device after after the 180 degree upsets, the device turn-over is passed to the blowing manipulator, and the blowing manipulator holds the another side of surveying device and carries out blowing.
3. SMD device according to claim 1 is arranged the method for sorting closed assembly, and it is characterized in that: the method for blowing is: the blowing manipulator linear is transported to rectangular tray, will survey device and be placed on successively in order on the rectangular tray in the accumulator tank; By before and after two linear electric motors controls and the position of moving up and down, the every placement of device finishes a row to rectangular tray respectively, horizontal one step of motor operation; Device is whenever piled a rectangular tray, and motor vertical upwards moves a step, the pallet that more renews.
4. SMD device according to claim 1 is arranged the method for sorting closed assembly, it is characterized in that being provided with superimposed special-purpose mounting box and carry out closed assembly, the method of closed assembly is as follows: 2-8 rectangular tray is superimposed together, the superimposed process of rectangular tray is, after device is filled a rectangular tray, adopt the rectangular tray of the method stack dishful of automatic overlapping and assembling, cooperate by tray support frame that is provided with cylinder control and flexible guide pillar and finish.The tray support frame of cylinder control opens, and by the full rectangular tray in top on the flexible guide pillar, the tray support frame of cylinder control supports again during the in-position; The rectangular tray that the bottom has moved into.
5. SMD device according to claim 1 is arranged the method for sorting closed assembly, it is characterized in that the method that blank panel enters can be after full box is released along a track, to move a blank panel according to this track again and enter.The method of blank panel in-position can also be the inverse process with the method stack dishful of above-mentioned automatic overlapping and assembling: the reduction guide pillar rises the rectangular tray picking-up of top lamination, the tray support frame of cylinder control opens, the reduction guide pillar slowly descends, when being in the lamination rectangular tray that the rectangular tray of below is positioned at the below of tray support frame, the tray support frame closure of cylinder control supports, and flexible guide pillar continuation slowly descends, and sylphon is placed the back also move in orbit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710134027A CN100574903C (en) | 2007-10-18 | 2007-10-18 | The SMD device is arranged the method and apparatus of sorting closed assembly |
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| CN200710134027A CN100574903C (en) | 2007-10-18 | 2007-10-18 | The SMD device is arranged the method and apparatus of sorting closed assembly |
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| CN100574903C CN100574903C (en) | 2009-12-30 |
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