CN101422780A - Laser screening device for electronic component - Google Patents
Laser screening device for electronic component Download PDFInfo
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- CN101422780A CN101422780A CNA2007100537030A CN200710053703A CN101422780A CN 101422780 A CN101422780 A CN 101422780A CN A2007100537030 A CNA2007100537030 A CN A2007100537030A CN 200710053703 A CN200710053703 A CN 200710053703A CN 101422780 A CN101422780 A CN 101422780A
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- laser
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- electronic component
- whirligig
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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Abstract
The invention relates to a device used for detecting the quality of an electronic element. The invention discloses a laser spherizer used for electronic elements. The laser spherizer comprises a computer, a laser scriber used for scribing on the electronic elements, a digital control workbench used for supporting the electronic elements and adjusting the positions of the electronic elements, a vacsorb rotary device used for fixing the electronic elements on the digital control workbench, and a monitoring system used for observing the electronic elements; wherein, the computer is respectively connected with the laser scriber and the digital control workbench, and the vacsorb rotary device is arranged on the digital control workbench. The operation of the device is convenient, the detection of the device is correct, and the device can obviously mark a waste product or a defective product so as to solve the problem that the distinguishing between a qualified product and the waste product is not easy. Human observation and laser discarding are carried out simultaneously; therefore, the original work efficiency is greatly improved.
Description
Technical field
The present invention relates to a kind of device that is used for the electronic component quality testing, particularly a kind of laser screening device that is used for electronic component.
Background technology
Before the present invention made, whether the resistance after the skilled worker need observe and amplify by image existed mass defect, then, this resistance is put into handles on the relevant device to cancel.The rejecting work that such technical process is actually resistance has been divided into two steps, and the first step is to observe, and finds out the resistance that has defective; In second step, substandard products are rejected in manually-operated.This operating process is complicated, is unfavorable for enhancing productivity.
Summary of the invention
The present invention is in order to overcome the problem of above-mentioned existence, provide a kind of easy to operate, detect accurately, can make visible marking's the laser screening device that is used for electronic component to waste product or substandard products.
In order to achieve the above object, the present invention has following technical scheme:
The numerical control table, NC table that the laser screening device that is used for electronic component of the present invention comprises computer, the laser scriber that is used for ruling on electronic component, be used to support electronic component and regulate its position, be used for the electronic component secure fixation in the vacuum suction whirligig of numerical control table, NC table, the surveillance that is used to observe electronic component, wherein, computer is connected with laser scriber, numerical control table, NC table respectively, and the vacuum suction whirligig is contained on the numerical control table, NC table.
Wherein, laser scriber comprises laser instrument, laser pump (ing) lamp power supply, laser Q-switching system, indication laser, refrigeration machine, focusing system, CCD coaxial-observation system, wherein, focusing system, CCD coaxial-observation system are positioned at an end of laser instrument bright dipping, indication laser is positioned at the other end of laser instrument, laser pump (ing) lamp power supply, laser Q-switching driving power, refrigeration machine are connected with laser instrument, and the indication laser power supply is connected with indication laser.
Wherein, described numerical control table, NC table comprises the two-dimension translational platform, the X-axis servomotor, the Y-axis servomotor, the X-axis encoder, the Y-axis encoder, the X-axis motor driver, the y-axis motor driver, the ball screw that moves in the X-axis direction, the ball screw that moves along Y direction, wherein, X-axis motor driver and X-axis servomotor, the X-axis encoder connects, y-axis motor driver and Y-axis servomotor, the Y-axis encoder connects, the X-axis servomotor is connected with the two-dimension translational platform by the ball screw that moves in the X-axis direction, and the Y-axis servomotor is connected with the two-dimension translational platform by the ball screw that moves along Y direction.
Wherein, described vacuum suction whirligig comprises vavuum pump, tracheae, adsorbent equipment, whirligig, and vavuum pump directly is connected with adsorbent equipment by tracheae, and adsorbent equipment is fixed on the whirligig.
Owing to taked above technical scheme, the invention has the advantages that:
1 the present invention can accurately search the quality problems of electronic component by surveillance.
2 the present invention can make tangible mark by laser scriber on waste product or substandard products, and are difficult for erasing, and have solved the problem that certified products and waste product are easily obscured.
3 owing to adopt computer control, make resistive defects search with rejecting work and automatically finish, and software operation is easy, has reduced labour intensity, has improved production efficiency.
4 the present invention have realized the continuous productive process that Product industrialization is produced in batches, have reduced production cost.
Description of drawings
Fig. 1 is the schematic diagram of general structure of the present invention;
Fig. 2 is the schematic diagram of laser scriber of the present invention;
Fig. 3 is the schematic diagram of numerical control table, NC table of the present invention;
Fig. 4 is the schematic diagram of focusing system of the present invention;
Fig. 5 is a CCD coaxial-observation system schematic of the present invention;
Fig. 6 is a vacuum suction whirligig schematic diagram of the present invention;
Fig. 7 is an electrical power distribution system schematic of the present invention;
Fig. 8 is the resistor disc schematic diagram of processing required for the present invention;
Fig. 9 is the workflow diagram of special-purpose software of the present invention.
Among the figure: 1, YAG crystal, 2, pumping lamp, 3, output film, 4, beam expanding lens, 5,45
0Speculum, 6, focusing system, 7, numerical control table, NC table, 8, motor servo driver, 9, computer, 10, laser pump (ing) lamp power supply, 11, the laser Q-switching driving power, 12, water cooling unit, 13, indication laser, 14, the indication Laser Power Devices, 15, the coarse adjustment tube, 16, tightening handle, 17, fine setting tube, 18, focus lamp, 19, led light source, 20, the band cross hairs black-white CCD, 21, locking wire ring, 22, cross hairs rotary flange, 23, wire ring, 24,45
0The speculum adjustment screw, 25, vavuum pump, 26, tracheae, 27, adsorbent equipment, 28, whirligig, 29, resistor disc.
The specific embodiment
Following example is used to illustrate the present invention and uses thereof, but is not used for limiting protection scope of the present invention.
Referring to Fig. 1: a kind of laser screening device that is used for electronic component of the present invention is made up of computer, laser scriber, numerical control table, NC table, vacuum suction whirligig, surveillance.Wherein:
Computer is whole laser marking machine control and commander's center, also is simultaneously the carrier that software is installed.By laser Q-switching system, numerical control table, NC table system coordination control are finished workpiece are processed.
Computer mainly comprises cabinet, mainboard, CPU, hard disk, memory bar, D/A card, floppy drive, display, keyboard, mouse.
Referring to Fig. 2, laser scriber is made up of laser instrument, laser pump (ing) lamp power supply 10, laser Q-switching system, indication laser 13, water cooling unit 12, focusing system 6, CCD coaxial-observation system.
1) laser pump (ing) lamp power supply 10: the Laser Power Devices that adopt the ZG-2005LX of Wuhan Zhonggu Power-supply Device Co., Ltd. type.
2) laser instrument adopts the Nd:YAG laser instrument.
3) photoelectric transformation efficiency of water cooling unit 12:Nd:YAG laser instrument generally all≤4%.A large amount of heat that pumping lamp in the laser instrument (krypton lamp) 2 produces when luminous needs the cooling medium cooling, otherwise can cause pumping lamp (krypton lamp) 2, YAG crystal 1 and the glass tube in the laser instrument, the damage of cavity.The refrigeration machine 12 of laser scriber of the present invention adopts the water cooling unit refrigeration of Wuhan sky above Hubei and Hunan industrial lasers equipment Co., Ltd.
4) laser Q-switching system: laser Q-switching is a kind of drive manner that is used to produce the giant-pulse power laser.Why name like this is that the optical quality factor Q value of the resonator of laser instrument is undergone mutation because when using this technology.The definition of quality factor q is the ratio of energy storage and the energy loss in each cycle in the chamber.
The laser Q-switching system is made up of modulator 30, driving power 11 two parts.In laser cavity, work the modulation device of transferring the Q effect, its effect is that continuous Laser Modulation is become required peak value pulse laser (frequency: 1～35kHz), because the insertion loss of modulator 30 in laser instrument, the average output power of laser instrument descends to some extent at that time, but peak power improves greatly, thereby improves the effect of laser ablation.
Laser Q-switching driving power 11 pulse control models are a kind of typical modulation systems.The process of excitation laser laser Q-switching driving power 11 apply radiofrequency signal during stop, laser material in the laser instrument is owing to the energy that absorbs krypton lamp has accumulated lot of energy, in case releasing radiofrequency signal, folded light beam is recovered original path, and laser will discharge the huge laser pulse of peak value.During bright dipping, be applied with a series of radio-frequency pulse groups, periodically turn-off and discharge laser, handle thereby workpiece is carried out the mark line to modulation device.
5) indication laser 13 adopts He-Ne lasers, and pilot light is a red light, and main effect has 2 points: the one, and indication Laser Processing position, and the laser coaxial that sends with the YAG laser instrument; The 2nd, for the light path adjustment provides the indication benchmark.
6) focusing system 6: referring to Fig. 4, the effect of focusing system 6 is that laser beam is focused on a bit.The main condenser lens that adopts.Focusing system 6 is made up of coarse adjustment tube 15, tightening handle 16, fine setting tube 17, focal length F=70 focus lamp 18, led light source 19.Wherein, dispatch from the factory and adjust in coarse adjustment tube 15 positions; Fine setting tube 17 is used for the exact position of adjusting workpiece and focus drum.The rotary-focusing mirror of turning left rises, otherwise downwards.When regulating with monitor on clear image be as the criterion; This focusing system 6 and coaxial-observation mirror are combined together and are combined into magnifying glass.
7) CCD coaxial-observation system: referring to Fig. 5, so-called coaxial-observation system is meant that direction of observation is coaxial with the laser light direction.Its principle of this coaxial-observation system is a telescopic system, and the focus lamp of it and focusing system 6 has constituted a magnifying glass, about 50 times of its multiplication factor.During the vernier focusing mirror, the definition of picture has varied slightly on the monitor when the coaxial-observation system is motionless.After generally the focus point height being regulated, accurately adjust the coaxial-observation mirror again.
Referring to Fig. 3, the ball screw that numerical control table, NC table moves by two-dimension translational platform, X-axis servomotor, Y-axis servomotor, X-axis encoder, Y-axis encoder, X-axis motor driver, y-axis motor driver, the ball screw that moves in the X-axis direction, along Y direction is formed, wherein, servomotor, motor driver, encoder all are Panasonic A4 series complete set of equipments (200w motor); The two-dimension translational platform is directions X mobile system and Y direction mobile system, and each servomotor sends its motion track of instruction control by computer respectively; This numerical control table stroke: 150*150; The rotating shaft of servomotor and ball-screw are the mechanical fasteners relation, the rotation of driven by motor leading screw, and rotating threaded shaft drives the two-dimension translational platform by mechanical drive mode and moves horizontally.
Referring to Fig. 6, the vacuum suction whirligig is made up of vavuum pump 25, tracheae 26, adsorbent equipment 27, whirligig 28, and design has some passages directly over this device, and resistor disc 29 is laid on this pore.Device is connected by tracheae 26 with equipment vavuum pump 25 in addition, makes this device generation negative pressure after vavuum pump 25 energisings and adsorbs resistor disc 29.The vacuum suction whirligig is contained on the numerical control table, NC table, adjusts resistor disc 29 angles by whirligig 28.
Referring to Fig. 1, surveillance is made up of CCD camera, monitor, and the CCD camera is positioned on the focusing system, by the enlarging lens group in the focusing system workpiece is carried out real-time bust shot, and vision signal is passed to monitor carry out Real Time Observation.
Referring to Fig. 7, the three-phase of distribution system is for Laser Power Devices; A supplies computer 9 and motor servo driver 8 power supplys mutually; B is mutually for indication Laser Power Devices 14, laser Q-switching driving power 11 and control circuit; C supplies water cooling unit 12 mutually.
Referring to Fig. 9, the control method of special-purpose software of the present invention is as follows: at first observe resistor disc 29 by monitor, if wrongly then click corresponding with it resistive element in the software model, this moment, control program just can send instruction, travelling table with this resistive element move to laser head under, and the y axle of controlling numerical control table, NC table 7 simultaneously makes workbench do rectilinear motion, laser scriber bright dipping line simultaneously; If in the visual range of monitor, there is not the resistive element of defective, then can click the resistive element beyond the visual range in the model, 7 this moments of numerical control table, NC table are controlled to move to the laser head below with the respective electrical resistance body.Repeat above operation later on.
Be the detection screening process of example explanation the present invention below with resistance to electronic component.
Referring to Fig. 8, be the resistor disc 29 of processing required for the present invention.This resistor disc 29 is generally 60mm * 50mm, and thickness is no more than the potsherd of 0.5mm.The black resistive element that includes some marshallings in the resistor disc 29.Its resistive element size, quantity are determined by the resistor disc model.That is to say, resistor disc 29 model differences, resistive element size, quantity can be distinguished to some extent in its sheet.
Now operation principle of the present invention is done following explanation: the enlarging lens group in CCD camera and the focusing system 6 is carried out real-time bust shot to resistor disc 29, and human eye is observed the vision signal that is transmitted by the CCD camera by monitor.After the workman had observed with the naked eye the resistive element that has amplified several times, the quality standard of contrast factory judged whether this resistive element exists quality problems, if having problem then to operate special-purpose software delineates automatically to this resistive element, to abolish this resistive element.This software is simulated resistor disc 29, and the workman clicks the just whole observation of energy easy manipulation of artifical resistance sheet 29 in the software, and line rejecting work.Such as, need to observe the 3rd row in the resistor disc 29, the resistive element of the 5th row, so this resistive element in the click artifical resistance sheet 29, computer just can send movement instruction to X-axis and Y-axis motor servo driver.Each driver drives of having received movement instruction servomotor separately accurately moves, and moves to coaxial-observation system below until this resistive element.Meanwhile, the servomotor encoder can constantly send feedback signal, and this signal can reflect the actual speed of motor in real time, actual position of moving.This feedback signal is sent back to driver, by driver by oneself.At this moment, the resistive element enlarged image of the 5th row the 3rd row will appear, in the monitor.If the resistive element defectiveness, click this resistive element in the artifical resistance sheet once more, computer 9 control numerical control table, NC tables 7 move relative to laser head, while laser instrument bright dipping, thus crossed out this resistive element.Artificial observation of the present invention and laser rejecting work are carried out synchronously, have greatly improved original operating efficiency.
Claims (4)
1, a kind of laser screening device that is used for electronic component, it is characterized in that: the numerical control table, NC table that comprise computer, be used for, is used to support electronic component and regulate its position, be used for the vacuum suction whirligig of electronic component secure fixation on numerical control table, NC table at the laser scriber of ruling on the electronic component, be used to observe the surveillance of electronic component, wherein, computer is connected with laser scriber, numerical control table, NC table respectively, and the vacuum suction whirligig is contained on the numerical control table, NC table.
2, a kind of laser screening device that is used for electronic component as claimed in claim 1, it is characterized in that: described laser scriber comprises laser instrument, laser pump (ing) lamp power supply, laser Q-switching system, indication laser, water cooling unit, focusing system, CCD coaxial-observation system, wherein, focusing system, CCD coaxial-observation system are positioned at an end of laser instrument bright dipping, indication laser is positioned at the other end of laser instrument, laser pump (ing) lamp power supply, laser Q-switching driving power, water cooling unit are connected with laser instrument, and the indication laser power supply is connected with indication laser.
3, a kind of laser screening device that is used for electronic component as claimed in claim 1, it is characterized in that: described numerical control table, NC table comprises the two-dimension translational platform, the X-axis servomotor, the Y-axis servomotor, the X-axis encoder, the Y-axis encoder, the X-axis motor driver, the y-axis motor driver, the ball screw that moves in the X-axis direction, the ball screw that moves along Y direction, wherein, X-axis motor driver and X-axis servomotor, the X-axis encoder connects, y-axis motor driver and Y-axis servomotor, the Y-axis encoder connects, the X-axis servomotor is connected with the two-dimension translational platform by the ball screw that moves in the X-axis direction, and the Y-axis servomotor is connected with the two-dimension translational platform by the ball screw that moves along Y direction.
4, a kind of laser screening device that is used for electronic component as claimed in claim 2, it is characterized in that: described vacuum suction whirligig comprises vavuum pump, tracheae, adsorbent equipment, whirligig, vavuum pump directly is connected with adsorbent equipment by tracheae, and adsorbent equipment is fixed on the whirligig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100537030A CN101422780A (en) | 2007-10-30 | 2007-10-30 | Laser screening device for electronic component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100537030A CN101422780A (en) | 2007-10-30 | 2007-10-30 | Laser screening device for electronic component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101422780A true CN101422780A (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100537030A Pending CN101422780A (en) | 2007-10-30 | 2007-10-30 | Laser screening device for electronic component |
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| Country | Link |
|---|---|
| CN (1) | CN101422780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515271A (en) * | 2018-04-16 | 2018-09-11 | 标克激光科技（杭州）有限公司 | A kind of high-efficiency marking machine incorporating assembly line |
| CN113305048A (en) * | 2021-07-30 | 2021-08-27 | 江苏冠安机电有限公司 | High-low voltage electrical apparatus component sorting device based on resistance box steam is got rid of |
-
2007
- 2007-10-30 CN CNA2007100537030A patent/CN101422780A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515271A (en) * | 2018-04-16 | 2018-09-11 | 标克激光科技（杭州）有限公司 | A kind of high-efficiency marking machine incorporating assembly line |
| CN113305048A (en) * | 2021-07-30 | 2021-08-27 | 江苏冠安机电有限公司 | High-low voltage electrical apparatus component sorting device based on resistance box steam is got rid of |
| CN113305048B (en) * | 2021-07-30 | 2021-09-21 | 江苏冠安机电有限公司 | High-low voltage electrical apparatus component sorting device based on resistance box steam is got rid of |
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Application publication date: 20090506 |